[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [linux-2.6.18-xen] Solarflare: Resource driver.
# HG changeset patch # User Keir Fraser <keir.fraser@xxxxxxxxxx> # Date 1203330569 0 # Node ID e4dd072db2595c420bb21d9e835416f4fd543526 # Parent fc90e9b2c12b316b5460ece28f013e6de881af1a Solarflare: Resource driver. Signed-off-by: Kieran Mansley <kmansley@xxxxxxxxxxxxxx> --- drivers/net/sfc/Kconfig | 7 drivers/net/sfc/Makefile | 1 drivers/net/sfc/sfc_resource/Makefile | 15 drivers/net/sfc/sfc_resource/assert_valid.c | 95 drivers/net/sfc/sfc_resource/buddy.c | 307 + drivers/net/sfc/sfc_resource/buffer_table.c | 210 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware.h | 199 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/common.h | 68 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon.h | 420 + drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_core.h | 1149 ++++ drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_desc.h | 75 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_event.h | 155 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_grmon.h | 129 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_intr_vec.h | 44 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_mac.h | 711 ++ drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_xgrmon.h | 125 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/workarounds.h | 75 drivers/net/sfc/sfc_resource/ci/driver/resource/efx_vi.h | 276 + drivers/net/sfc/sfc_resource/ci/driver/resource/linux_efhw_nic.h | 76 drivers/net/sfc/sfc_resource/ci/efhw/checks.h | 118 drivers/net/sfc/sfc_resource/ci/efhw/common.h | 102 drivers/net/sfc/sfc_resource/ci/efhw/common_sysdep.h | 67 drivers/net/sfc/sfc_resource/ci/efhw/debug.h | 84 drivers/net/sfc/sfc_resource/ci/efhw/efhw_config.h | 43 drivers/net/sfc/sfc_resource/ci/efhw/efhw_types.h | 342 + drivers/net/sfc/sfc_resource/ci/efhw/eventq.h | 73 drivers/net/sfc/sfc_resource/ci/efhw/eventq_macros.h | 81 drivers/net/sfc/sfc_resource/ci/efhw/falcon.h | 93 drivers/net/sfc/sfc_resource/ci/efhw/falcon_hash.h | 58 drivers/net/sfc/sfc_resource/ci/efhw/hardware_sysdep.h | 84 drivers/net/sfc/sfc_resource/ci/efhw/iopage.h | 58 drivers/net/sfc/sfc_resource/ci/efhw/iopage_types.h | 188 drivers/net/sfc/sfc_resource/ci/efhw/nic.h | 62 drivers/net/sfc/sfc_resource/ci/efhw/public.h | 83 drivers/net/sfc/sfc_resource/ci/efhw/sysdep.h | 72 drivers/net/sfc/sfc_resource/ci/efrm/buddy.h | 69 drivers/net/sfc/sfc_resource/ci/efrm/buffer_table.h | 86 drivers/net/sfc/sfc_resource/ci/efrm/debug.h | 78 drivers/net/sfc/sfc_resource/ci/efrm/driver_private.h | 86 drivers/net/sfc/sfc_resource/ci/efrm/filter.h | 147 drivers/net/sfc/sfc_resource/ci/efrm/iobufset.h | 123 drivers/net/sfc/sfc_resource/ci/efrm/nic_set.h | 104 drivers/net/sfc/sfc_resource/ci/efrm/nic_table.h | 98 drivers/net/sfc/sfc_resource/ci/efrm/private.h | 141 drivers/net/sfc/sfc_resource/ci/efrm/resource.h | 122 drivers/net/sfc/sfc_resource/ci/efrm/resource_id.h | 104 drivers/net/sfc/sfc_resource/ci/efrm/sysdep.h | 54 drivers/net/sfc/sfc_resource/ci/efrm/sysdep_linux.h | 248 drivers/net/sfc/sfc_resource/ci/efrm/vi_resource.h | 171 drivers/net/sfc/sfc_resource/ci/efrm/vi_resource_manager.h | 182 drivers/net/sfc/sfc_resource/ci/efrm/vi_resource_private.h | 83 drivers/net/sfc/sfc_resource/driver_object.c | 174 drivers/net/sfc/sfc_resource/driverlink_new.c | 290 + drivers/net/sfc/sfc_resource/efx_vi_shm.c | 701 ++ drivers/net/sfc/sfc_resource/eventq.c | 320 + drivers/net/sfc/sfc_resource/falcon.c | 2758 ++++++++++ drivers/net/sfc/sfc_resource/falcon_hash.c | 178 drivers/net/sfc/sfc_resource/falcon_mac.c | 171 drivers/net/sfc/sfc_resource/filter_resource.c | 317 + drivers/net/sfc/sfc_resource/iobufset_resource.c | 373 + drivers/net/sfc/sfc_resource/iopage.c | 101 drivers/net/sfc/sfc_resource/kernel_compat.c | 584 ++ drivers/net/sfc/sfc_resource/kernel_compat.h | 239 drivers/net/sfc/sfc_resource/kernel_proc.c | 111 drivers/net/sfc/sfc_resource/kfifo.c | 212 drivers/net/sfc/sfc_resource/linux_resource_internal.h | 75 drivers/net/sfc/sfc_resource/nic.c | 190 drivers/net/sfc/sfc_resource/resource_driver.c | 640 ++ drivers/net/sfc/sfc_resource/resource_manager.c | 263 drivers/net/sfc/sfc_resource/resources.c | 94 drivers/net/sfc/sfc_resource/vi_resource_alloc.c | 876 +++ drivers/net/sfc/sfc_resource/vi_resource_event.c | 232 drivers/net/sfc/sfc_resource/vi_resource_flush.c | 506 + drivers/net/sfc/sfc_resource/vi_resource_manager.c | 259 74 files changed, 17305 insertions(+) diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/Kconfig --- a/drivers/net/sfc/Kconfig Mon Feb 18 10:29:07 2008 +0000 +++ b/drivers/net/sfc/Kconfig Mon Feb 18 10:29:29 2008 +0000 @@ -26,3 +26,10 @@ config SFC_MTD This module exposes the on-board flash and/or EEPROM memory as MTD devices (e.g. /dev/mtd1). This makes it possible to upload a new boot ROM to the NIC. + +config SFC_RESOURCE + depends on SFC + tristate "Solarflare Solarstorm SFC4000 resource driver" + help + This module provides the SFC resource manager driver. + diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/Makefile --- a/drivers/net/sfc/Makefile Mon Feb 18 10:29:07 2008 +0000 +++ b/drivers/net/sfc/Makefile Mon Feb 18 10:29:29 2008 +0000 @@ -40,3 +40,4 @@ sfc-objs = $(sfc_elements_o) sfc-objs = $(sfc_elements_o) sfc_mtd-objs = $(sfc_mtd_elements_o) +obj-$(CONFIG_SFC_RESOURCE) += sfc_resource/ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/Makefile --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/Makefile Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,15 @@ +obj-$(CONFIG_SFC_RESOURCE) := sfc_resource.o + +EXTRA_CFLAGS += -D__CI_HARDWARE_CONFIG_FALCON__ +EXTRA_CFLAGS += -D__ci_driver__ +EXTRA_CFLAGS += -Werror +EXTRA_CFLAGS += -Idrivers/net/sfc + +sfc_resource-objs := resource_driver.o iopage.o efx_vi_shm.o \ + driverlink_new.o kernel_proc.o kfifo.o \ + nic.o eventq.o falcon.o falcon_mac.o falcon_hash.o \ + assert_valid.o buddy.o buffer_table.o filter_resource.o \ + iobufset_resource.o resource_manager.o resources.o \ + vi_resource_alloc.o vi_resource_event.o vi_resource_flush.o \ + vi_resource_manager.o driver_object.o kernel_compat.o + diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/assert_valid.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/assert_valid.c Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,95 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains functions to assert validness of resources and + * resource manager in DEBUG build of the resource driver. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#include <ci/efrm/sysdep.h> + +#ifndef NDEBUG +#include <ci/efrm/resource.h> +#include <ci/efrm/driver_private.h> +#include <ci/efrm/debug.h> + +void +efrm_resource_manager_assert_valid(struct efrm_resource_manager *rm, + const char *file, int line) +{ + _EFRM_ASSERT(rm, file, line); + _EFRM_ASSERT(rm->rm_name, file, line); + _EFRM_ASSERT(rm->rm_type < EFRM_RESOURCE_NUM, file, line); + _EFRM_ASSERT(rm->rm_table, file, line); + _EFRM_ASSERT(rm->rm_table_size > 0, file, line); + _EFRM_ASSERT(rm->rm_dtor, file, line); +} +EXPORT_SYMBOL(efrm_resource_manager_assert_valid); + +/* + * \param rs resource to validate + * \param ref_count_is_zero One of 3 values + * > 0 - check ref count is zero + * = 0 - check ref count is non-zero + * < 0 - ref count could be any value + */ +void +efrm_resource_assert_valid(struct efrm_resource *rs, int ref_count_is_zero, + const char *file, int line) +{ + struct efrm_resource_manager *rm; + + _EFRM_ASSERT(rs, file, line); + + if (ref_count_is_zero >= 0) { + if (!(ref_count_is_zero || atomic_read(&rs->rs_ref_count) > 0) + || !(!ref_count_is_zero + || atomic_read(&rs->rs_ref_count) == 0)) + EFRM_WARN("%s: check %szero ref=%d " EFRM_RESOURCE_FMT, + __FUNCTION__, + ref_count_is_zero == 0 ? "non-" : "", + atomic_read(&rs->rs_ref_count), + EFRM_RESOURCE_PRI_ARG(rs->rs_handle)); + + _EFRM_ASSERT(!(ref_count_is_zero == 0) || + atomic_read(&rs->rs_ref_count) != 0, file, line); + _EFRM_ASSERT(!(ref_count_is_zero > 0) || + atomic_read(&rs->rs_ref_count) == 0, file, line); + } + + rm = efrm_rm_table[EFRM_RESOURCE_TYPE(rs->rs_handle)]; + efrm_resource_manager_assert_valid(rm, file, line); +} +EXPORT_SYMBOL(efrm_resource_assert_valid); + +#endif diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/buddy.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/buddy.c Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,307 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains implementation of a buddy allocator. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#include <ci/efhw/common.h> /* get uintXX types on win32 */ +#include <ci/efrm/sysdep.h> +#include <ci/efrm/buddy.h> +#include <ci/efrm/debug.h> + +#if 1 +#define DEBUG_ALLOC(x) +#else +#define DEBUG_ALLOC(x) x + +static inline void efrm_buddy_dump(struct efrm_buddy_allocator *b) +{ + unsigned o; + + EFRM_NOTICE("%s: dump allocator with order %u", + __FUNCTION__, b->order); + for (o = 0; o <= b->order; o++) { + struct list_head *l = &b->free_lists[o]; + while (l->next != &b->free_lists[o]) { + l = l->next; + EFRM_NOTICE("%s: order %x: %zx", __FUNCTION__, o, + l - b->links); + } + } +} +#endif + +/* + * The purpose of the following inline functions is to give the + * understandable names to the simple actions. + */ +static inline void +efrm_buddy_free_list_add(struct efrm_buddy_allocator *b, + unsigned order, unsigned addr) +{ + list_add(&b->links[addr], &b->free_lists[order]); + b->orders[addr] = (uint8_t) b->order; +} +static inline void +efrm_buddy_free_list_del(struct efrm_buddy_allocator *b, unsigned addr) +{ + list_del(&b->links[addr]); + b->links[addr].next = NULL; +} +static inline int +efrm_buddy_free_list_empty(struct efrm_buddy_allocator *b, unsigned order) +{ + return list_empty(&b->free_lists[order]); +} +static inline unsigned +efrm_buddy_free_list_pop(struct efrm_buddy_allocator *b, unsigned order) +{ + struct list_head *l = list_pop(&b->free_lists[order]); + l->next = NULL; + return (unsigned)(l - b->links); +} +static inline int +efrm_buddy_addr_in_free_list(struct efrm_buddy_allocator *b, unsigned addr) +{ + return b->links[addr].next != NULL; +} +static inline unsigned +efrm_buddy_free_list_first(struct efrm_buddy_allocator *b, unsigned order) +{ + return (unsigned)(b->free_lists[order].next - b->links); +} + +int efrm_buddy_ctor(struct efrm_buddy_allocator *b, unsigned order) +{ + unsigned o; + unsigned size = 1 << order; + + DEBUG_ALLOC(EFRM_NOTICE("%s(%u)", __FUNCTION__, order)); + EFRM_ASSERT(b); + EFRM_ASSERT(order <= sizeof(unsigned) * 8 - 1); + + b->order = order; + b->free_lists = vmalloc((order + 1) * sizeof(struct list_head)); + if (b->free_lists == NULL) + goto fail1; + + b->links = vmalloc(size * sizeof(struct list_head)); + if (b->links == NULL) + goto fail2; + + b->orders = vmalloc(size); + if (b->orders == NULL) + goto fail3; + + memset(b->links, 0, size * sizeof(struct list_head)); + + for (o = 0; o <= b->order; ++o) + INIT_LIST_HEAD(b->free_lists + o); + + efrm_buddy_free_list_add(b, b->order, 0); + + return 0; + +fail3: + vfree(b->links); +fail2: + vfree(b->free_lists); +fail1: + return -ENOMEM; +} + +void efrm_buddy_dtor(struct efrm_buddy_allocator *b) +{ + EFRM_ASSERT(b); + + vfree(b->free_lists); + vfree(b->links); + vfree(b->orders); +} + +int efrm_buddy_alloc(struct efrm_buddy_allocator *b, unsigned order) +{ + unsigned smallest; + unsigned addr; + + DEBUG_ALLOC(EFRM_NOTICE("%s(%u)", __FUNCTION__, order)); + EFRM_ASSERT(b); + + /* Find smallest chunk that is big enough. ?? Can optimise this by + ** keeping array of pointers to smallest chunk for each order. + */ + smallest = order; + while (smallest <= b->order && + efrm_buddy_free_list_empty(b, smallest)) + ++smallest; + + if (smallest > b->order) { + DEBUG_ALLOC(EFRM_NOTICE + ("buddy - alloc order %d failed - max order %d", + order, b->order);); + return -ENOMEM; + } + + /* Split blocks until we get one of the correct size. */ + addr = efrm_buddy_free_list_pop(b, smallest); + + DEBUG_ALLOC(EFRM_NOTICE("buddy - alloc %x order %d cut from order %d", + addr, order, smallest);); + while (smallest-- > order) + efrm_buddy_free_list_add(b, smallest, addr + (1 << smallest)); + + EFRM_DO_DEBUG(b->orders[addr] = (uint8_t) order); + + EFRM_ASSERT(addr < 1u << b->order); + return addr; +} + +void +efrm_buddy_free(struct efrm_buddy_allocator *b, unsigned addr, + unsigned order) +{ + unsigned buddy_addr; + + DEBUG_ALLOC(EFRM_NOTICE("%s(%u, %u)", __FUNCTION__, addr, order)); + EFRM_ASSERT(b); + EFRM_ASSERT(order <= b->order); + EFRM_ASSERT((unsigned long)addr + ((unsigned long)1 << order) <= + (unsigned long)1 << b->order); + EFRM_ASSERT(!efrm_buddy_addr_in_free_list(b, addr)); + EFRM_ASSERT(b->orders[addr] == order); + + /* merge free blocks */ + while (order < b->order) { + buddy_addr = addr ^ (1 << order); + if (!efrm_buddy_addr_in_free_list(b, buddy_addr) || + b->orders[buddy_addr] != order) + break; + efrm_buddy_free_list_del(b, addr); + if (buddy_addr < addr) + addr = buddy_addr; + ++order; + } + + DEBUG_ALLOC(EFRM_NOTICE + ("buddy - free %x merged into order %d", addr, order);); + efrm_buddy_free_list_add(b, order, addr); +} + +void efrm_buddy_reserve_at_start(struct efrm_buddy_allocator *b, unsigned n) +{ + int addr; + unsigned o; + EFRM_DO_DEBUG(int n_save = n); + + DEBUG_ALLOC(EFRM_NOTICE("%s(%u)", __FUNCTION__, n)); + EFRM_ASSERT(b); + EFRM_ASSERT(n <= 1u << b->order && n > 0); + /* Whole space must be free. */ + EFRM_ASSERT(!efrm_buddy_free_list_empty(b, b->order)); + + o = fls(n); + + while (n) { + while (((unsigned)1 << o) > n) + --o; + EFRM_ASSERT(((unsigned)1 << o) <= n); + addr = efrm_buddy_alloc(b, o); + EFRM_ASSERT(addr + (1 << o) <= n_save); + n -= 1 << o; + } +} + +static int +__efrm_buddy_reserve_at_end(struct efrm_buddy_allocator *b, unsigned order, + int threshold) +{ + unsigned o, addr; + + DEBUG_ALLOC(EFRM_NOTICE("%s(%u, %d)", __FUNCTION__, order, threshold)); + EFRM_ASSERT(b); + + /* Find largest block; there must be one big enough (or caller has + ** goofed). + */ + for (o = b->order;; --o) { + if (efrm_buddy_free_list_empty(b, o)) + continue; + addr = efrm_buddy_free_list_first(b, o); + if (addr + (1 << o) <= (unsigned)threshold) + continue; + break; + } + EFRM_ASSERT(o >= order); + + /* Split down (keeping second half) until we reach + * the requested size. */ + addr = efrm_buddy_free_list_pop(b, o); + + while (o-- > order) { + efrm_buddy_free_list_add(b, o, addr); + addr += 1 << o; + } + + EFRM_DO_DEBUG(b->orders[addr] = (uint8_t) order); + + return addr; +} + +void efrm_buddy_reserve_at_end(struct efrm_buddy_allocator *b, unsigned n) +{ + int addr, threshold; + unsigned o; + EFRM_DO_DEBUG(int n_save = n); + + DEBUG_ALLOC(EFRM_NOTICE("%s(%u)", __FUNCTION__, n)); + DEBUG_ALLOC(efrm_buddy_dump(b)); + EFRM_ASSERT(b); + EFRM_ASSERT(n <= 1u << b->order); + + if (!n) + return; + + threshold = (1 << b->order) - n; + o = fls(n); + + while (n) { + while (((unsigned)1 << o) > n) + --o; + EFRM_ASSERT(((unsigned)1 << o) <= n); + addr = __efrm_buddy_reserve_at_end(b, o, threshold); + EFRM_ASSERT(addr >= (1 << b->order) - n_save); + n -= 1 << o; + } + DEBUG_ALLOC(efrm_buddy_dump(b)); +} diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/buffer_table.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/buffer_table.c Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,210 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains abstraction of the buffer table on the NIC. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +/* +** Might be worth keeping a bitmap of which entries are clear. Then we +** wouldn't need to clear them all again when we free an allocation. +*/ + +#include <ci/efrm/debug.h> +#include <ci/driver/efab/hardware.h> +#include <ci/efrm/nic_table.h> +#include <ci/efrm/buffer_table.h> +#include <ci/efrm/buddy.h> + +/*! Comment? */ +struct efrm_buffer_table { + spinlock_t lock; + struct efrm_buddy_allocator buddy; +}; + +/* Efab buffer state. */ +static struct efrm_buffer_table efrm_buffers; + +int efrm_buffer_table_ctor(unsigned low, unsigned high) +{ + int log2_n_entries, rc; + + EFRM_ASSERT(high > 0); + EFRM_ASSERT(low < high); + + EFRM_TRACE("efrm_buffer_table_ctor: low=%u high=%u", low, high); + EFRM_NOTICE("efrm_buffer_table_ctor: low=%u high=%u", low, high); + + log2_n_entries = fls(high - 1); + + rc = efrm_buddy_ctor(&efrm_buffers.buddy, log2_n_entries); + if (rc < 0) { + EFRM_ERR("efrm_buffer_table_ctor: efrm_buddy_ctor(%d) " + "failed (%d)", log2_n_entries, rc); + return rc; + } + + spin_lock_init(&efrm_buffers.lock); + + efrm_buddy_reserve_at_start(&efrm_buffers.buddy, low); + efrm_buddy_reserve_at_end(&efrm_buffers.buddy, + (1 << log2_n_entries) - high); + + EFRM_TRACE("efrm_buffer_table_ctor: done"); + + return 0; +} + +void efrm_buffer_table_dtor(void) +{ + /* ?? debug check that all allocations have been freed? */ + + spin_lock_destroy(&efrm_buffers.lock); + efrm_buddy_dtor(&efrm_buffers.buddy); + + EFRM_TRACE("efrm_buffer_table_dtor: done"); +} + +/**********************************************************************/ + +int +efrm_buffer_table_alloc(unsigned order, + struct efhw_buffer_table_allocation *a) +{ + irq_flags_t lock_flags; + int rc; + + EFRM_ASSERT(&efrm_buffers.buddy); + EFRM_ASSERT(a); + + /* Round up to multiple of two, as the buffer clear logic works in + * pairs when not in "full" mode. */ + order = max_t(unsigned, order, 1); + + spin_lock_irqsave(&efrm_buffers.lock, lock_flags); + rc = efrm_buddy_alloc(&efrm_buffers.buddy, order); + spin_unlock_irqrestore(&efrm_buffers.lock, lock_flags); + + if (rc < 0) { + EFRM_ERR("efrm_buffer_table_alloc: failed (n=%ld) rc %d", + 1ul << order, rc); + return rc; + } + + EFRM_TRACE("efrm_buffer_table_alloc: base=%d n=%ld", + rc, 1ul << order); + a->order = order; + a->base = (unsigned)rc; + return 0; +} + +void efrm_buffer_table_free(struct efhw_buffer_table_allocation *a) +{ + irq_flags_t lock_flags; + struct efhw_nic *nic; + int nic_i; + + EFRM_ASSERT(&efrm_buffers.buddy); + EFRM_ASSERT(a); + EFRM_ASSERT(a->base != -1); + EFRM_ASSERT((unsigned long)a->base + (1ul << a->order) <= + efrm_buddy_size(&efrm_buffers.buddy)); + + EFRM_TRACE("efrm_buffer_table_free: base=%d n=%ld", + a->base, (1ul << a->order)); + + EFRM_FOR_EACH_NIC(nic_i, nic) + efhw_nic_buffer_table_clear(nic, a->base, 1ul << a->order); + + spin_lock_irqsave(&efrm_buffers.lock, lock_flags); + efrm_buddy_free(&efrm_buffers.buddy, a->base, a->order); + spin_unlock_irqrestore(&efrm_buffers.lock, lock_flags); + + EFRM_DO_DEBUG(a->base = a->order = -1); +} + +/**********************************************************************/ + +void +efrm_buffer_table_set(struct efhw_buffer_table_allocation *a, + unsigned i, dma_addr_t dma_addr, int owner) +{ + struct efhw_nic *nic; + int nic_i; + + EFRM_ASSERT(a); + EFRM_ASSERT(i < (unsigned)1 << a->order); + EFRM_FOR_EACH_NIC(nic_i, nic) + efhw_nic_buffer_table_set(nic, dma_addr, EFHW_NIC_PAGE_SIZE, + 0, owner, a->base + i); + /* NB. No commit Caller should call efrm_buffer_table_commit. There + are underlying hardware constraints regarding the number of + buffer table entries which can be pushed before commiting. */ +} + +unsigned long efrm_buffer_table_size(void) +{ + return efrm_buddy_size(&efrm_buffers.buddy); +} + +/**********************************************************************/ + +int +efrm_page_register(dma_addr_t dma_addr, int owner, + efhw_buffer_addr_t *buf_addr_out) +{ + struct efhw_buffer_table_allocation alloc; + int rc; + + rc = efrm_buffer_table_alloc(0, &alloc); + if (rc == 0) { + efrm_buffer_table_set(&alloc, 0, dma_addr, owner); + efrm_buffer_table_commit(); + *buf_addr_out = EFHW_BUFFER_ADDR(alloc.base, 0); + } + return rc; +} +EXPORT_SYMBOL(efrm_page_register); + +void efrm_page_unregister(efhw_buffer_addr_t buf_addr) +{ + struct efhw_buffer_table_allocation alloc; + + alloc.order = 0; + alloc.base = EFHW_BUFFER_PAGE(buf_addr); + efrm_buffer_table_free(&alloc); +} +EXPORT_SYMBOL(efrm_page_unregister); + +void efrm_buffer_table_commit(void) +{ + struct efhw_nic *nic; + int nic_i; + + EFRM_FOR_EACH_NIC(nic_i, nic) + efhw_nic_buffer_table_commit(nic); +} diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/driver/efab/hardware.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,199 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides EtherFabric NIC hardware interface. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_DRIVER_EFAB_HARDWARE_H__ +#define __CI_DRIVER_EFAB_HARDWARE_H__ + +#include "ci/driver/efab/hardware/workarounds.h" +#include <ci/efhw/hardware_sysdep.h> + + +/*---------------------------------------------------------------------------- + * + * Common EtherFabric definitions + * + *---------------------------------------------------------------------------*/ + +#include <ci/efhw/debug.h> +#include <ci/efhw/common.h> +#include <ci/driver/efab/hardware/common.h> + +/*---------------------------------------------------------------------------- + * + * EtherFabric varients + * + *---------------------------------------------------------------------------*/ + +#include <ci/driver/efab/hardware/falcon.h> + +/*---------------------------------------------------------------------------- + * + * EtherFabric Portable Hardware Layer defines + * + *---------------------------------------------------------------------------*/ + + /*-------------- Initialisation ------------ */ +#define efhw_nic_close_hardware(nic) \ + ((nic)->efhw_func->close_hardware(nic)) + +#define efhw_nic_init_hardware(nic, ev_handlers, mac_addr) \ + ((nic)->efhw_func->init_hardware((nic), (ev_handlers), (mac_addr))) + +/*-------------- Interrupt support ------------ */ +/** Handle interrupt. Return 0 if not handled, 1 if handled. */ +#define efhw_nic_interrupt(nic) \ + ((nic)->efhw_func->interrupt(nic)) + +#define efhw_nic_interrupt_enable(nic, index) \ + ((nic)->efhw_func->interrupt_enable(nic, index)) + +#define efhw_nic_interrupt_disable(nic, index) \ + ((nic)->efhw_func->interrupt_disable(nic, index)) + +#define efhw_nic_set_interrupt_moderation(nic, index, val) \ + ((nic)->efhw_func->set_interrupt_moderation(nic, index, val)) + +/*-------------- Event support ------------ */ + +#define efhw_nic_event_queue_enable(nic, evq, size, q_base, buf_base) \ + ((nic)->efhw_func->event_queue_enable(nic, evq, size, q_base, \ + buf_base)) + +#define efhw_nic_event_queue_disable(nic, evq, timer_only) \ + ((nic)->efhw_func->event_queue_disable(nic, evq, timer_only)) + +#define efhw_nic_wakeup_request(nic, q_base, index, evq) \ + ((nic)->efhw_func->wakeup_request(nic, q_base, index, evq)) + +#define efhw_nic_sw_event(nic, data, ev) \ + ((nic)->efhw_func->sw_event(nic, data, ev)) + +/*-------------- Filter support ------------ */ +#define efhw_nic_ipfilter_set(nic, type, index, dmaq, \ + saddr, sport, daddr, dport) \ + ((nic)->efhw_func->ipfilter_set(nic, type, index, dmaq, \ + saddr, sport, daddr, dport)) + +#define efhw_nic_ipfilter_attach(nic, index, dmaq) \ + ((nic)->efhw_func->ipfilter_attach(nic, index, dmaq)) + +#define efhw_nic_ipfilter_detach(nic, index) \ + ((nic)->efhw_func->ipfilter_detach(nic, index)) + +#define efhw_nic_ipfilter_clear(nic, index) \ + ((nic)->efhw_func->ipfilter_clear(nic, index)) + +/*-------------- DMA support ------------ */ +#define efhw_nic_dmaq_tx_q_init(nic, dmaq, evq, owner, tag, \ + dmaq_size, index, flags) \ + ((nic)->efhw_func->dmaq_tx_q_init(nic, dmaq, evq, owner, tag, \ + dmaq_size, index, flags)) + +#define efhw_nic_dmaq_rx_q_init(nic, dmaq, evq, owner, tag, \ + dmaq_size, index, flags) \ + ((nic)->efhw_func->dmaq_rx_q_init(nic, dmaq, evq, owner, tag, \ + dmaq_size, index, flags)) + +#define efhw_nic_dmaq_tx_q_disable(nic, dmaq) \ + ((nic)->efhw_func->dmaq_tx_q_disable(nic, dmaq)) + +#define efhw_nic_dmaq_rx_q_disable(nic, dmaq) \ + ((nic)->efhw_func->dmaq_rx_q_disable(nic, dmaq)) + +#define efhw_nic_flush_tx_dma_channel(nic, dmaq) \ + ((nic)->efhw_func->flush_tx_dma_channel(nic, dmaq)) + +#define efhw_nic_flush_rx_dma_channel(nic, dmaq) \ + ((nic)->efhw_func->flush_rx_dma_channel(nic, dmaq)) + +/*-------------- MAC Low level interface ---- */ +#define efhw_gmac_get_mac_addr(nic) \ + ((nic)->gmac->get_mac_addr((nic)->gmac)) + +/*-------------- Buffer table -------------- */ +#define efhw_nic_buffer_table_set(nic, addr, bufsz, region, \ + own_id, buf_id) \ + ((nic)->efhw_func->buffer_table_set(nic, addr, bufsz, region, \ + own_id, buf_id)) + +#define efhw_nic_buffer_table_set_n(nic, buf_id, addr, bufsz, \ + region, n_pages, own_id) \ + ((nic)->efhw_func->buffer_table_set_n(nic, buf_id, addr, bufsz, \ + region, n_pages, own_id)) + +#define efhw_nic_buffer_table_clear(nic, id, num) \ + ((nic)->efhw_func->buffer_table_clear(nic, id, num)) + +#define efhw_nic_buffer_table_commit(nic) \ + ((nic)->efhw_func->buffer_table_commit(nic)) + +/*---------------------------------------------------------------------------- + * Hardware specific portability macros for performance critical code. + * + * Warning: and driver code which is using these defines is not + * capable of supporting multiple NIC varients and should be built and + * marked appropriately + * + *---------------------------------------------------------------------------*/ + +#if defined(__CI_HARDWARE_CONFIG_FALCON__) + +/* --- DMA --- */ +#define EFHW_DMA_ADDRMASK (0xffffffffffffffffULL) + +/* --- Buffers --- */ +#define EFHW_BUFFER_ADDR FALCON_BUFFER_4K_ADDR +#define EFHW_BUFFER_PAGE FALCON_BUFFER_4K_PAGE +#define EFHW_BUFFER_OFF FALCON_BUFFER_4K_OFF + +/* --- Filters --- */ +#define EFHW_IP_FILTER_NUM FALCON_FILTER_TBL_NUM + +#define EFHW_MAX_PAGE_SIZE FALCON_MAX_PAGE_SIZE + +#else +# error no hardware definition found +#endif + +#if PAGE_SIZE <= EFHW_MAX_PAGE_SIZE +#define EFHW_NIC_PAGE_SIZE PAGE_SIZE +#else +#define EFHW_NIC_PAGE_SIZE EFHW_MAX_PAGE_SIZE +#endif +#define EFHW_NIC_PAGE_MASK (~(EFHW_NIC_PAGE_SIZE-1)) + +#endif /* __CI_DRIVER_EFAB_HARDWARE_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/common.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/common.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,68 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides EtherFabric NIC hardware interface common + * definitions. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_DRIVER_EFAB_HARDWARE_COMMON_H__ +#define __CI_DRIVER_EFAB_HARDWARE_COMMON_H__ + +/*---------------------------------------------------------------------------- + * + * EtherFabric constants + * + *---------------------------------------------------------------------------*/ + +#define EFHW_1K 0x00000400u +#define EFHW_2K 0x00000800u +#define EFHW_4K 0x00001000u +#define EFHW_8K 0x00002000u +#define EFHW_16K 0x00004000u +#define EFHW_32K 0x00008000u +#define EFHW_64K 0x00010000u +#define EFHW_128K 0x00020000u +#define EFHW_256K 0x00040000u +#define EFHW_512K 0x00080000u +#define EFHW_1M 0x00100000u +#define EFHW_2M 0x00200000u +#define EFHW_4M 0x00400000u +#define EFHW_8M 0x00800000u +#define EFHW_16M 0x01000000u +#define EFHW_32M 0x02000000u +#define EFHW_48M 0x03000000u +#define EFHW_64M 0x04000000u +#define EFHW_128M 0x08000000u +#define EFHW_256M 0x10000000u +#define EFHW_512M 0x20000000u +#define EFHW_1G 0x40000000u +#define EFHW_2G 0x80000000u +#define EFHW_4G 0x100000000ULL +#define EFHW_8G 0x200000000ULL + +#endif /* __CI_DRIVER_EFAB_HARDWARE_COMMON_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,420 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides EtherFabric NIC - EFXXXX (aka Falcon) specific + * definitions. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_DRIVER_EFAB_HARDWARE_FALCON_H__ +#define __CI_DRIVER_EFAB_HARDWARE_FALCON_H__ + +/*---------------------------------------------------------------------------- + * Compile options + *---------------------------------------------------------------------------*/ + +/* Falcon has an 8K maximum page size. */ +#define FALCON_MAX_PAGE_SIZE EFHW_8K + +/* include the register definitions */ +#include <ci/driver/efab/hardware/falcon/falcon_core.h> +#include <ci/driver/efab/hardware/falcon/falcon_desc.h> +#include <ci/driver/efab/hardware/falcon/falcon_event.h> +#include <ci/driver/efab/hardware/falcon/falcon_mac.h> +#include <ci/driver/efab/hardware/falcon/falcon_grmon.h> +#include <ci/driver/efab/hardware/falcon/falcon_xgrmon.h> +#include <ci/driver/efab/hardware/falcon/falcon_intr_vec.h> + +#define FALCON_DMA_TX_DESC_BYTES 8 +#define FALCON_DMA_RX_PHYS_DESC_BYTES 8 +#define FALCON_DMA_RX_BUF_DESC_BYTES 4 + + +/* ---- efhw_event_t helpers --- */ + +#ifndef EFHW_IS_LITTLE_ENDIAN +#error This needs lots of cpu_to_le64s() in +#endif + +/*!\ TODO look at whether there is an efficiency gain to be had by + treating the event codes to 32bit masks as is done for EF1 + + These masks apply to the full 64 bits of the event to extract the + event code - followed by the common event codes to expect + */ +#define __FALCON_OPEN_MASK(WIDTH) ((((uint64_t)1) << (WIDTH)) - 1) +#define FALCON_EVENT_CODE_MASK \ + (__FALCON_OPEN_MASK(EV_CODE_WIDTH) << EV_CODE_LBN) +#define FALCON_EVENT_EV_Q_ID_MASK \ + (__FALCON_OPEN_MASK(DRIVER_EV_EVQ_ID_WIDTH) << DRIVER_EV_EVQ_ID_LBN) +#define FALCON_EVENT_TX_FLUSH_Q_ID_MASK \ + (__FALCON_OPEN_MASK(DRIVER_EV_TX_DESCQ_ID_WIDTH) << \ + DRIVER_EV_TX_DESCQ_ID_LBN) +#define FALCON_EVENT_RX_FLUSH_Q_ID_MASK \ + (__FALCON_OPEN_MASK(DRIVER_EV_RX_DESCQ_ID_WIDTH) << \ + DRIVER_EV_RX_DESCQ_ID_LBN) +#define FALCON_EVENT_DRV_SUBCODE_MASK \ + (__FALCON_OPEN_MASK(DRIVER_EV_SUB_CODE_WIDTH) << \ + DRIVER_EV_SUB_CODE_LBN) + +#define FALCON_EVENT_FMT "[ev:%x:%08x:%08x]" +#define FALCON_EVENT_PRI_ARG(e) \ + ((unsigned)(((e).u64 & FALCON_EVENT_CODE_MASK) >> EV_CODE_LBN)), \ + ((unsigned)((e).u64 >> 32)), ((unsigned)((e).u64 & 0xFFFFFFFF)) + +#define FALCON_EVENT_CODE(evp) ((evp)->u64 & FALCON_EVENT_CODE_MASK) +#define FALCON_EVENT_WAKE_EVQ_ID(evp) \ + (((evp)->u64 & FALCON_EVENT_EV_Q_ID_MASK) >> DRIVER_EV_EVQ_ID_LBN) +#define FALCON_EVENT_TX_FLUSH_Q_ID(evp) \ + (((evp)->u64 & FALCON_EVENT_TX_FLUSH_Q_ID_MASK) >> \ + DRIVER_EV_TX_DESCQ_ID_LBN) +#define FALCON_EVENT_RX_FLUSH_Q_ID(evp) \ + (((evp)->u64 & FALCON_EVENT_RX_FLUSH_Q_ID_MASK) >> \ + DRIVER_EV_RX_DESCQ_ID_LBN) +#define FALCON_EVENT_DRIVER_SUBCODE(evp) \ + (((evp)->u64 & FALCON_EVENT_DRV_SUBCODE_MASK) >> \ + DRIVER_EV_SUB_CODE_LBN) + +#define FALCON_EVENT_CODE_CHAR ((uint64_t)DRIVER_EV_DECODE << EV_CODE_LBN) +#define FALCON_EVENT_CODE_SW ((uint64_t)DRV_GEN_EV_DECODE << EV_CODE_LBN) + + +/* so this is the size in bytes of an awful lot of things */ +#define FALCON_REGISTER128 (16) + +/* we define some unique dummy values as a debug aid */ +#ifdef _WIN32 +#define FALCON_ATOMIC_BASE 0xdeadbeef00000000ui64 +#else +#define FALCON_ATOMIC_BASE 0xdeadbeef00000000ULL +#endif +#define FALCON_ATOMIC_UPD_REG (FALCON_ATOMIC_BASE | 0x1) +#define FALCON_ATOMIC_PTR_TBL_REG (FALCON_ATOMIC_BASE | 0x2) +#define FALCON_ATOMIC_SRPM_UDP_EVQ_REG (FALCON_ATOMIC_BASE | 0x3) +#define FALCON_ATOMIC_RX_FLUSH_DESCQ (FALCON_ATOMIC_BASE | 0x4) +#define FALCON_ATOMIC_TX_FLUSH_DESCQ (FALCON_ATOMIC_BASE | 0x5) +#define FALCON_ATOMIC_INT_EN_REG (FALCON_ATOMIC_BASE | 0x6) +#define FALCON_ATOMIC_TIMER_CMD_REG (FALCON_ATOMIC_BASE | 0x7) +#define FALCON_ATOMIC_PACE_REG (FALCON_ATOMIC_BASE | 0x8) +#define FALCON_ATOMIC_INT_ACK_REG (FALCON_ATOMIC_BASE | 0x9) +/* XXX It crashed with odd value in FALCON_ATOMIC_INT_ADR_REG */ +#define FALCON_ATOMIC_INT_ADR_REG (FALCON_ATOMIC_BASE | 0xa) + +/*---------------------------------------------------------------------------- + * + * PCI control blocks for Falcon - + * (P) primary is for NET + * (S) secondary is for CHAR + * + *---------------------------------------------------------------------------*/ + +#define FALCON_P_CTR_AP_BAR 2 +#define FALCON_S_CTR_AP_BAR 0 +#define FALCON_S_DEVID 0x6703 + + +/*---------------------------------------------------------------------------- + * + * Falcon constants + * + *---------------------------------------------------------------------------*/ + +#define FALCON_DMAQ_NUM (EFHW_4K) +#define FALCON_EVQ_TBL_NUM (EFHW_4K) +#define FALCON_TIMERS_NUM (EFHW_4K) + +/* This value is an upper limit on the total number of filter table + * entries, including odd and even banks. The actual size of filter table + * is determined at runtime, as it can vary. + */ +#define FALCON_FILTER_TBL_NUM (EFHW_16K) + +/* max number of buffers which can be pushed before commiting */ +#define FALCON_BUFFER_UPD_MAX (128) + +/* We can tell falcon to write its RX buffers in 32 byte quantums, + and since we pad packets 2 bytes to the right we can't use + a full page (not unless we use jumbo mode for all queues) + + NOTE: tests/nic/dma.c assumes that the value here is the real NIC + value, so we explicitly round it down to the nearest 32 bytes */ + +/* #define FALCON_RX_USR_BUF_SIZE round_down(4096-2,32) */ +#define FALCON_RX_USR_BUF_SIZE 4064 + +#define FALCON_EVQ_RPTR_REG_P0 0x400 + +/*---------------------------------------------------------------------------- + * + * Falcon requires user-space descriptor pushes to be: + * dword[0-2]; wiob(); dword[3] + * + * Driver register access must be locked against other threads from + * the same driver but can be in any order: i.e dword[0-3]; wiob() + * + * The following helpers ensure that valid dword orderings are exercised + * + *---------------------------------------------------------------------------*/ + +/* A union to allow writting 64bit values as 32bit values, without + * hitting the compilers aliasing rules. We hope the compiler optimises + * away the copy's anyway */ +union __u64to32 { + uint64_t u64; + struct { +#ifdef EFHW_IS_LITTLE_ENDIAN + uint32_t a; + uint32_t b; +#else + uint32_t b; + uint32_t a; +#endif + } s; +}; + +static inline void +falcon_write_ddd_d(efhw_ioaddr_t kva, + uint32_t d0, uint32_t d1, uint32_t d2, uint32_t d3) +{ + writel(d0, kva + 0); + writel(d1, kva + 4); + writel(d2, kva + 8); + mmiowb(); + writel(d3, kva + 12); +} + +static inline void falcon_write_q(efhw_ioaddr_t kva, uint64_t q) +{ + union __u64to32 u; + u.u64 = q; + + writel(u.s.a, kva); + mmiowb(); + writel(u.s.b, kva + 4); +} + +static inline void falcon_read_q(efhw_ioaddr_t addr, uint64_t *q0) +{ + /* It is essential that we read dword0 first, so that + * the shadow register is updated with the latest value + * and we get a self consistent value. + */ + union __u64to32 u; + u.s.a = readl(addr); + rmb(); + u.s.b = readl(addr + 4); + + *q0 = u.u64; +} + +static inline void +falcon_write_qq(efhw_ioaddr_t kva, uint64_t q0, uint64_t q1) +{ + writeq(q0, kva + 0); + falcon_write_q(kva + 8, q1); +} + +static inline void +falcon_read_qq(efhw_ioaddr_t addr, uint64_t *q0, uint64_t *q1) +{ + falcon_read_q(addr, q0); + *q1 = readq(addr + 8); +} + + + +/*---------------------------------------------------------------------------- + * + * Buffer virtual addresses (4K buffers) + * + *---------------------------------------------------------------------------*/ + +/* Form a buffer virtual address from buffer ID and offset. If the offset +** is larger than the buffer size, then the buffer indexed will be +** calculated appropriately. It is the responsibility of the caller to +** ensure that they have valid buffers programmed at that address. +*/ +#define FALCON_VADDR_8K_S (13) +#define FALCON_VADDR_4K_S (12) +#define FALCON_VADDR_M 0xfffff /* post shift mask */ + +#define FALCON_BUFFER_8K_ADDR(id, off) (((id) << FALCON_VADDR_8K_S) + (off)) +#define FALCON_BUFFER_8K_PAGE(vaddr) \ + (((vaddr) >> FALCON_VADDR_8K_S) & FALCON_VADDR_M) +#define FALCON_BUFFER_8K_OFF(vaddr) \ + ((vaddr) & __FALCON_MASK32(FALCON_VADDR_8K_S)) + +#define FALCON_BUFFER_4K_ADDR(id, off) (((id) << FALCON_VADDR_4K_S) + (off)) +#define FALCON_BUFFER_4K_PAGE(vaddr) \ + (((vaddr) >> FALCON_VADDR_4K_S) & FALCON_VADDR_M) +#define FALCON_BUFFER_4K_OFF(vaddr) \ + ((vaddr) & __FALCON_MASK32(FALCON_VADDR_4K_S)) + +/*---------------------------------------------------------------------------- + * + * Timer helpers + * + *---------------------------------------------------------------------------*/ + +static inline int falcon_timer_page_addr(uint idx) +{ + + EFHW_ASSERT(TIMER_CMD_REG_KER_OFST == + (TIMER_CMD_REG_PAGE4_OFST - 4 * EFHW_8K)); + + EFHW_ASSERT(idx < FALCON_TIMERS_NUM); + + if (idx < 4) + return TIMER_CMD_REG_KER_OFST + (idx * EFHW_8K); + else if (idx < 1024) + return TIMER_CMD_REG_PAGE4_OFST + ((idx - 4) * EFHW_8K); + else + return TIMER_CMD_REG_PAGE123K_OFST + ((idx - 1024) * EFHW_8K); +} + +#define FALCON_TIMER_PAGE_MASK (EFHW_8K-1) + +static inline int falcon_timer_page_offset(uint idx) +{ + return falcon_timer_page_addr(idx) & FALCON_TIMER_PAGE_MASK; +} + +/*---------------------------------------------------------------------------- + * + * DMA Queue helpers + * + *---------------------------------------------------------------------------*/ + +/* iSCSI queue for A1; see bug 5427 for more details. */ +#define FALCON_A1_ISCSI_DMAQ 4 + +/*! returns an address within a bar of the TX DMA doorbell */ +static inline uint falcon_tx_dma_page_addr(uint dmaq_idx) +{ + uint page; + + EFHW_ASSERT((((TX_DESC_UPD_REG_PAGE123K_OFST) & (EFHW_8K - 1)) == + (((TX_DESC_UPD_REG_PAGE4_OFST) & (EFHW_8K - 1))))); + + EFHW_ASSERT(dmaq_idx < FALCON_DMAQ_NUM); + + if (dmaq_idx < 1024) + page = TX_DESC_UPD_REG_PAGE4_OFST + ((dmaq_idx - 4) * EFHW_8K); + else + page = + TX_DESC_UPD_REG_PAGE123K_OFST + + ((dmaq_idx - 1024) * EFHW_8K); + + return page; +} + +/*! returns an address within a bar of the RX DMA doorbell */ +static inline uint falcon_rx_dma_page_addr(uint dmaq_idx) +{ + uint page; + + EFHW_ASSERT((((RX_DESC_UPD_REG_PAGE123K_OFST) & (EFHW_8K - 1)) == + ((RX_DESC_UPD_REG_PAGE4_OFST) & (EFHW_8K - 1)))); + + EFHW_ASSERT(dmaq_idx < FALCON_DMAQ_NUM); + + if (dmaq_idx < 1024) + page = RX_DESC_UPD_REG_PAGE4_OFST + ((dmaq_idx - 4) * EFHW_8K); + else + page = + RX_DESC_UPD_REG_PAGE123K_OFST + + ((dmaq_idx - 1024) * EFHW_8K); + + return page; +} + +/*! "page"=NIC-dependent register set size */ +#define FALCON_DMA_PAGE_MASK (EFHW_8K-1) + +/*! returns an address within a bar of the start of the "page" + containing the TX DMA doorbell */ +static inline int falcon_tx_dma_page_base(uint dma_idx) +{ + return falcon_tx_dma_page_addr(dma_idx) & ~FALCON_DMA_PAGE_MASK; +} + +/*! returns an address within a bar of the start of the "page" + containing the RX DMA doorbell */ +static inline int falcon_rx_dma_page_base(uint dma_idx) +{ + return falcon_rx_dma_page_addr(dma_idx) & ~FALCON_DMA_PAGE_MASK; +} + +/*! returns an offset within a "page" of the TX DMA doorbell */ +static inline int falcon_tx_dma_page_offset(uint dma_idx) +{ + return falcon_tx_dma_page_addr(dma_idx) & FALCON_DMA_PAGE_MASK; +} + +/*! returns an offset within a "page" of the RX DMA doorbell */ +static inline int falcon_rx_dma_page_offset(uint dma_idx) +{ + return falcon_rx_dma_page_addr(dma_idx) & FALCON_DMA_PAGE_MASK; +} + +/*---------------------------------------------------------------------------- + * + * Events + * + *---------------------------------------------------------------------------*/ + +/* Falcon nails down the event queue mappings */ +#define FALCON_EVQ_KERNEL0 (0) /* hardwired for net driver */ +#define FALCON_EVQ_CHAR (4) /* char driver's event queue */ +#define FALCON_EVQ_NONIRQ (5) /* char driver's non interrupting + queue. Subsequent queues are + available for user apps */ + +/* reserved by the drivers */ +#define FALCON_EVQ_TBL_RESERVED (8) + +/* default DMA-Q sizes */ +#define FALCON_DMA_Q_DEFAULT_TX_SIZE 512 + +#define FALCON_DMA_Q_DEFAULT_RX_SIZE 512 + +#define FALCON_DMA_Q_DEFAULT_MMAP \ + (FALCON_DMA_Q_DEFAULT_TX_SIZE * (FALCON_DMA_TX_DESC_BYTES * 2)) + +/*---------------------------------------------------------------------------- + * + * DEBUG - Analyser trigger + * + *---------------------------------------------------------------------------*/ + +static inline void falcon_deadbeef(efhw_ioaddr_t efhw_kva, unsigned what) +{ + writel(what, efhw_kva + 0x300); + mmiowb(); +} +#endif /* __CI_DRIVER_EFAB_HARDWARE_FALCON_H__ */ +/*! \cidoxg_end */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_core.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_core.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,1149 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides EtherFabric NIC - EFXXXX (aka Falcon) core register + * definitions. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#define FALCON_EXTENDED_P_BAR 1 + +/*************---- Bus Interface Unit Registers C Header ----*************/ +#define IOM_IND_ADR_REG_OFST 0x0 /* IO-mapped indirect access address + register */ + #define IOM_AUTO_ADR_INC_EN_LBN 16 + #define IOM_AUTO_ADR_INC_EN_WIDTH 1 + #define IOM_IND_ADR_LBN 0 + #define IOM_IND_ADR_WIDTH 16 +#define IOM_IND_DAT_REG_OFST 0x4 /* IO-mapped indirect access data register */ + #define IOM_IND_DAT_LBN 0 + #define IOM_IND_DAT_WIDTH 32 +#define ADR_REGION_REG_KER_OFST 0x0 /* Address region register */ +#define ADR_REGION_REG_OFST 0x0 /* Address region register */ + #define ADR_REGION3_LBN 96 + #define ADR_REGION3_WIDTH 18 + #define ADR_REGION2_LBN 64 + #define ADR_REGION2_WIDTH 18 + #define ADR_REGION1_LBN 32 + #define ADR_REGION1_WIDTH 18 + #define ADR_REGION0_LBN 0 + #define ADR_REGION0_WIDTH 18 +#define INT_EN_REG_KER_OFST 0x10 /* Kernel driver Interrupt enable register */ + #define KER_INT_CHAR_LBN 4 + #define KER_INT_CHAR_WIDTH 1 + #define KER_INT_KER_LBN 3 + #define KER_INT_KER_WIDTH 1 + #define ILL_ADR_ERR_INT_EN_KER_LBN 2 + #define ILL_ADR_ERR_INT_EN_KER_WIDTH 1 + #define SRM_PERR_INT_EN_KER_LBN 1 + #define SRM_PERR_INT_EN_KER_WIDTH 1 + #define DRV_INT_EN_KER_LBN 0 + #define DRV_INT_EN_KER_WIDTH 1 +#define INT_EN_REG_CHAR_OFST 0x20 /* Char Driver interrupt enable register */ + #define CHAR_INT_CHAR_LBN 4 + #define CHAR_INT_CHAR_WIDTH 1 + #define CHAR_INT_KER_LBN 3 + #define CHAR_INT_KER_WIDTH 1 + #define ILL_ADR_ERR_INT_EN_CHAR_LBN 2 + #define ILL_ADR_ERR_INT_EN_CHAR_WIDTH 1 + #define SRM_PERR_INT_EN_CHAR_LBN 1 + #define SRM_PERR_INT_EN_CHAR_WIDTH 1 + #define DRV_INT_EN_CHAR_LBN 0 + #define DRV_INT_EN_CHAR_WIDTH 1 +#define INT_ADR_REG_KER_OFST 0x30 /* Interrupt host address for Kernel driver */ + #define INT_ADR_KER_LBN 0 + #define INT_ADR_KER_WIDTH 64 + #define DRV_INT_KER_LBN 32 + #define DRV_INT_KER_WIDTH 1 + #define EV_FF_HALF_INT_KER_LBN 3 + #define EV_FF_HALF_INT_KER_WIDTH 1 + #define EV_FF_FULL_INT_KER_LBN 2 + #define EV_FF_FULL_INT_KER_WIDTH 1 + #define ILL_ADR_ERR_INT_KER_LBN 1 + #define ILL_ADR_ERR_INT_KER_WIDTH 1 + #define SRAM_PERR_INT_KER_LBN 0 + #define SRAM_PERR_INT_KER_WIDTH 1 +#define INT_ADR_REG_CHAR_OFST 0x40 /* Interrupt host address for Char driver */ + #define INT_ADR_CHAR_LBN 0 + #define INT_ADR_CHAR_WIDTH 64 + #define DRV_INT_CHAR_LBN 32 + #define DRV_INT_CHAR_WIDTH 1 + #define EV_FF_HALF_INT_CHAR_LBN 3 + #define EV_FF_HALF_INT_CHAR_WIDTH 1 + #define EV_FF_FULL_INT_CHAR_LBN 2 + #define EV_FF_FULL_INT_CHAR_WIDTH 1 + #define ILL_ADR_ERR_INT_CHAR_LBN 1 + #define ILL_ADR_ERR_INT_CHAR_WIDTH 1 + #define SRAM_PERR_INT_CHAR_LBN 0 + #define SRAM_PERR_INT_CHAR_WIDTH 1 +#define INT_ISR0_B0_OFST 0x90 /* B0 only */ +#define INT_ISR1_B0_OFST 0xA0 +#define INT_ACK_REG_KER_A1_OFST 0x50 /* Kernel interrupt acknowledge register */ + #define RESERVED_LBN 0 + #define RESERVED_WIDTH 32 +#define INT_ACK_REG_CHAR_A1_OFST 0x60 /* CHAR interrupt acknowledge register */ + #define RESERVED_LBN 0 + #define RESERVED_WIDTH 32 +/*************---- Global CSR Registers C Header ----*************/ +#define STRAP_REG_KER_OFST 0x200 /* ASIC strap status register */ +#define STRAP_REG_OFST 0x200 /* ASIC strap status register */ + #define ONCHIP_SRAM_LBN 16 + #define ONCHIP_SRAM_WIDTH 0 + #define STRAP_ISCSI_EN_LBN 3 + #define STRAP_ISCSI_EN_WIDTH 1 + #define STRAP_PINS_LBN 0 + #define STRAP_PINS_WIDTH 3 +#define GPIO_CTL_REG_KER_OFST 0x210 /* GPIO control register */ +#define GPIO_CTL_REG_OFST 0x210 /* GPIO control register */ + #define GPIO_OEN_LBN 24 + #define GPIO_OEN_WIDTH 4 + #define GPIO_OUT_LBN 16 + #define GPIO_OUT_WIDTH 4 + #define GPIO_IN_LBN 8 + #define GPIO_IN_WIDTH 4 + #define GPIO_PWRUP_VALUE_LBN 0 + #define GPIO_PWRUP_VALUE_WIDTH 4 +#define GLB_CTL_REG_KER_OFST 0x220 /* Global control register */ +#define GLB_CTL_REG_OFST 0x220 /* Global control register */ + #define SWRST_LBN 0 + #define SWRST_WIDTH 1 +#define FATAL_INTR_REG_KER_OFST 0x230 /* Fatal interrupt register for Kernel */ + #define PCI_BUSERR_INT_KER_EN_LBN 43 + #define PCI_BUSERR_INT_KER_EN_WIDTH 1 + #define SRAM_OOB_INT_KER_EN_LBN 42 + #define SRAM_OOB_INT_KER_EN_WIDTH 1 + #define BUFID_OOB_INT_KER_EN_LBN 41 + #define BUFID_OOB_INT_KER_EN_WIDTH 1 + #define MEM_PERR_INT_KER_EN_LBN 40 + #define MEM_PERR_INT_KER_EN_WIDTH 1 + #define RBUF_OWN_INT_KER_EN_LBN 39 + #define RBUF_OWN_INT_KER_EN_WIDTH 1 + #define TBUF_OWN_INT_KER_EN_LBN 38 + #define TBUF_OWN_INT_KER_EN_WIDTH 1 + #define RDESCQ_OWN_INT_KER_EN_LBN 37 + #define RDESCQ_OWN_INT_KER_EN_WIDTH 1 + #define TDESCQ_OWN_INT_KER_EN_LBN 36 + #define TDESCQ_OWN_INT_KER_EN_WIDTH 1 + #define EVQ_OWN_INT_KER_EN_LBN 35 + #define EVQ_OWN_INT_KER_EN_WIDTH 1 + #define EVFF_OFLO_INT_KER_EN_LBN 34 + #define EVFF_OFLO_INT_KER_EN_WIDTH 1 + #define ILL_ADR_INT_KER_EN_LBN 33 + #define ILL_ADR_INT_KER_EN_WIDTH 1 + #define SRM_PERR_INT_KER_EN_LBN 32 + #define SRM_PERR_INT_KER_EN_WIDTH 1 + #define PCI_BUSERR_INT_KER_LBN 11 + #define PCI_BUSERR_INT_KER_WIDTH 1 + #define SRAM_OOB_INT_KER_LBN 10 + #define SRAM_OOB_INT_KER_WIDTH 1 + #define BUFID_OOB_INT_KER_LBN 9 + #define BUFID_OOB_INT_KER_WIDTH 1 + #define MEM_PERR_INT_KER_LBN 8 + #define MEM_PERR_INT_KER_WIDTH 1 + #define RBUF_OWN_INT_KER_LBN 7 + #define RBUF_OWN_INT_KER_WIDTH 1 + #define TBUF_OWN_INT_KER_LBN 6 + #define TBUF_OWN_INT_KER_WIDTH 1 + #define RDESCQ_OWN_INT_KER_LBN 5 + #define RDESCQ_OWN_INT_KER_WIDTH 1 + #define TDESCQ_OWN_INT_KER_LBN 4 + #define TDESCQ_OWN_INT_KER_WIDTH 1 + #define EVQ_OWN_INT_KER_LBN 3 + #define EVQ_OWN_INT_KER_WIDTH 1 + #define EVFF_OFLO_INT_KER_LBN 2 + #define EVFF_OFLO_INT_KER_WIDTH 1 + #define ILL_ADR_INT_KER_LBN 1 + #define ILL_ADR_INT_KER_WIDTH 1 + #define SRM_PERR_INT_KER_LBN 0 + #define SRM_PERR_INT_KER_WIDTH 1 +#define FATAL_INTR_REG_OFST 0x240 /* Fatal interrupt register for Char */ + #define PCI_BUSERR_INT_CHAR_EN_LBN 43 + #define PCI_BUSERR_INT_CHAR_EN_WIDTH 1 + #define SRAM_OOB_INT_CHAR_EN_LBN 42 + #define SRAM_OOB_INT_CHAR_EN_WIDTH 1 + #define BUFID_OOB_INT_CHAR_EN_LBN 41 + #define BUFID_OOB_INT_CHAR_EN_WIDTH 1 + #define MEM_PERR_INT_CHAR_EN_LBN 40 + #define MEM_PERR_INT_CHAR_EN_WIDTH 1 + #define RBUF_OWN_INT_CHAR_EN_LBN 39 + #define RBUF_OWN_INT_CHAR_EN_WIDTH 1 + #define TBUF_OWN_INT_CHAR_EN_LBN 38 + #define TBUF_OWN_INT_CHAR_EN_WIDTH 1 + #define RDESCQ_OWN_INT_CHAR_EN_LBN 37 + #define RDESCQ_OWN_INT_CHAR_EN_WIDTH 1 + #define TDESCQ_OWN_INT_CHAR_EN_LBN 36 + #define TDESCQ_OWN_INT_CHAR_EN_WIDTH 1 + #define EVQ_OWN_INT_CHAR_EN_LBN 35 + #define EVQ_OWN_INT_CHAR_EN_WIDTH 1 + #define EVFF_OFLO_INT_CHAR_EN_LBN 34 + #define EVFF_OFLO_INT_CHAR_EN_WIDTH 1 + #define ILL_ADR_INT_CHAR_EN_LBN 33 + #define ILL_ADR_INT_CHAR_EN_WIDTH 1 + #define SRM_PERR_INT_CHAR_EN_LBN 32 + #define SRM_PERR_INT_CHAR_EN_WIDTH 1 + #define FATAL_INTR_REG_EN_BITS 0xffffffffffffffffULL + #define PCI_BUSERR_INT_CHAR_LBN 11 + #define PCI_BUSERR_INT_CHAR_WIDTH 1 + #define SRAM_OOB_INT_CHAR_LBN 10 + #define SRAM_OOB_INT_CHAR_WIDTH 1 + #define BUFID_OOB_INT_CHAR_LBN 9 + #define BUFID_OOB_INT_CHAR_WIDTH 1 + #define MEM_PERR_INT_CHAR_LBN 8 + #define MEM_PERR_INT_CHAR_WIDTH 1 + #define RBUF_OWN_INT_CHAR_LBN 7 + #define RBUF_OWN_INT_CHAR_WIDTH 1 + #define TBUF_OWN_INT_CHAR_LBN 6 + #define TBUF_OWN_INT_CHAR_WIDTH 1 + #define RDESCQ_OWN_INT_CHAR_LBN 5 + #define RDESCQ_OWN_INT_CHAR_WIDTH 1 + #define TDESCQ_OWN_INT_CHAR_LBN 4 + #define TDESCQ_OWN_INT_CHAR_WIDTH 1 + #define EVQ_OWN_INT_CHAR_LBN 3 + #define EVQ_OWN_INT_CHAR_WIDTH 1 + #define EVFF_OFLO_INT_CHAR_LBN 2 + #define EVFF_OFLO_INT_CHAR_WIDTH 1 + #define ILL_ADR_INT_CHAR_LBN 1 + #define ILL_ADR_INT_CHAR_WIDTH 1 + #define SRM_PERR_INT_CHAR_LBN 0 + #define SRM_PERR_INT_CHAR_WIDTH 1 +#define DP_CTRL_REG_OFST 0x250 /* Datapath control register */ + #define FLS_EVQ_ID_LBN 0 + #define FLS_EVQ_ID_WIDTH 12 +#define MEM_STAT_REG_KER_OFST 0x260 /* Memory status register */ +#define MEM_STAT_REG_OFST 0x260 /* Memory status register */ + #define MEM_PERR_VEC_LBN 53 + #define MEM_PERR_VEC_WIDTH 38 + #define MBIST_CORR_LBN 38 + #define MBIST_CORR_WIDTH 15 + #define MBIST_ERR_LBN 0 + #define MBIST_ERR_WIDTH 38 +#define DEBUG_REG_KER_OFST 0x270 /* Debug register */ +#define DEBUG_REG_OFST 0x270 /* Debug register */ + #define DEBUG_BLK_SEL2_LBN 47 + #define DEBUG_BLK_SEL2_WIDTH 3 + #define DEBUG_BLK_SEL1_LBN 44 + #define DEBUG_BLK_SEL1_WIDTH 3 + #define DEBUG_BLK_SEL0_LBN 41 + #define DEBUG_BLK_SEL0_WIDTH 3 + #define MISC_DEBUG_ADDR_LBN 36 + #define MISC_DEBUG_ADDR_WIDTH 5 + #define SERDES_DEBUG_ADDR_LBN 31 + #define SERDES_DEBUG_ADDR_WIDTH 5 + #define EM_DEBUG_ADDR_LBN 26 + #define EM_DEBUG_ADDR_WIDTH 5 + #define SR_DEBUG_ADDR_LBN 21 + #define SR_DEBUG_ADDR_WIDTH 5 + #define EV_DEBUG_ADDR_LBN 16 + #define EV_DEBUG_ADDR_WIDTH 5 + #define RX_DEBUG_ADDR_LBN 11 + #define RX_DEBUG_ADDR_WIDTH 5 + #define TX_DEBUG_ADDR_LBN 6 + #define TX_DEBUG_ADDR_WIDTH 5 + #define BIU_DEBUG_ADDR_LBN 1 + #define BIU_DEBUG_ADDR_WIDTH 5 + #define DEBUG_EN_LBN 0 + #define DEBUG_EN_WIDTH 1 +#define DRIVER_REG0_KER_OFST 0x280 /* Driver scratch register 0 */ +#define DRIVER_REG0_OFST 0x280 /* Driver scratch register 0 */ + #define DRIVER_DW0_LBN 0 + #define DRIVER_DW0_WIDTH 32 +#define DRIVER_REG1_KER_OFST 0x290 /* Driver scratch register 1 */ +#define DRIVER_REG1_OFST 0x290 /* Driver scratch register 1 */ + #define DRIVER_DW1_LBN 0 + #define DRIVER_DW1_WIDTH 32 +#define DRIVER_REG2_KER_OFST 0x2A0 /* Driver scratch register 2 */ +#define DRIVER_REG2_OFST 0x2A0 /* Driver scratch register 2 */ + #define DRIVER_DW2_LBN 0 + #define DRIVER_DW2_WIDTH 32 +#define DRIVER_REG3_KER_OFST 0x2B0 /* Driver scratch register 3 */ +#define DRIVER_REG3_OFST 0x2B0 /* Driver scratch register 3 */ + #define DRIVER_DW3_LBN 0 + #define DRIVER_DW3_WIDTH 32 +#define DRIVER_REG4_KER_OFST 0x2C0 /* Driver scratch register 4 */ +#define DRIVER_REG4_OFST 0x2C0 /* Driver scratch register 4 */ + #define DRIVER_DW4_LBN 0 + #define DRIVER_DW4_WIDTH 32 +#define DRIVER_REG5_KER_OFST 0x2D0 /* Driver scratch register 5 */ +#define DRIVER_REG5_OFST 0x2D0 /* Driver scratch register 5 */ + #define DRIVER_DW5_LBN 0 + #define DRIVER_DW5_WIDTH 32 +#define DRIVER_REG6_KER_OFST 0x2E0 /* Driver scratch register 6 */ +#define DRIVER_REG6_OFST 0x2E0 /* Driver scratch register 6 */ + #define DRIVER_DW6_LBN 0 + #define DRIVER_DW6_WIDTH 32 +#define DRIVER_REG7_KER_OFST 0x2F0 /* Driver scratch register 7 */ +#define DRIVER_REG7_OFST 0x2F0 /* Driver scratch register 7 */ + #define DRIVER_DW7_LBN 0 + #define DRIVER_DW7_WIDTH 32 +#define ALTERA_BUILD_REG_OFST 0x300 /* Altera build register */ +#define ALTERA_BUILD_REG_OFST 0x300 /* Altera build register */ + #define ALTERA_BUILD_VER_LBN 0 + #define ALTERA_BUILD_VER_WIDTH 32 + +/* so called CSR spare register + - contains separate parity enable bits for the various internal memory + blocks */ +#define MEM_PARITY_ERR_EN_REG_KER 0x310 +#define MEM_PARITY_ALL_BLOCKS_EN_LBN 64 +#define MEM_PARITY_ALL_BLOCKS_EN_WIDTH 38 +#define MEM_PARITY_TX_DATA_EN_LBN 72 +#define MEM_PARITY_TX_DATA_EN_WIDTH 2 + +/*************---- Event & Timer Module Registers C Header ----*************/ + +#if FALCON_EXTENDED_P_BAR +#define EVQ_RPTR_REG_KER_OFST 0x11B00 /* Event queue read pointer register */ +#else +#define EVQ_RPTR_REG_KER_OFST 0x1B00 /* Event queue read pointer register */ +#endif + +#define EVQ_RPTR_REG_OFST 0xFA0000 /* Event queue read pointer register + array. */ + #define EVQ_RPTR_LBN 0 + #define EVQ_RPTR_WIDTH 15 + +#if FALCON_EXTENDED_P_BAR +#define EVQ_PTR_TBL_KER_OFST 0x11A00 /* Event queue pointer table for kernel + access */ +#else +#define EVQ_PTR_TBL_KER_OFST 0x1A00 /* Event queue pointer table for kernel + access */ +#endif + +#define EVQ_PTR_TBL_CHAR_OFST 0xF60000 /* Event queue pointer table for char + direct access */ + #define EVQ_WKUP_OR_INT_EN_LBN 39 + #define EVQ_WKUP_OR_INT_EN_WIDTH 1 + #define EVQ_NXT_WPTR_LBN 24 + #define EVQ_NXT_WPTR_WIDTH 15 + #define EVQ_EN_LBN 23 + #define EVQ_EN_WIDTH 1 + #define EVQ_SIZE_LBN 20 + #define EVQ_SIZE_WIDTH 3 + #define EVQ_BUF_BASE_ID_LBN 0 + #define EVQ_BUF_BASE_ID_WIDTH 20 +#define TIMER_CMD_REG_KER_OFST 0x420 /* Timer table for kernel access. + Page-mapped */ +#define TIMER_CMD_REG_PAGE4_OFST 0x8420 /* Timer table for user-level access. + Page-mapped. For lowest 1K queues. + */ +#define TIMER_CMD_REG_PAGE123K_OFST 0x1000420 /* Timer table for user-level + access. Page-mapped. + For upper 3K queues. */ +#define TIMER_TBL_OFST 0xF70000 /* Timer table for char driver direct access */ + #define TIMER_MODE_LBN 12 + #define TIMER_MODE_WIDTH 2 + #define TIMER_VAL_LBN 0 + #define TIMER_VAL_WIDTH 12 + #define TIMER_MODE_INT_HLDOFF 2 + #define EVQ_BUF_SIZE_LBN 0 + #define EVQ_BUF_SIZE_WIDTH 1 +#define DRV_EV_REG_KER_OFST 0x440 /* Driver generated event register */ +#define DRV_EV_REG_OFST 0x440 /* Driver generated event register */ + #define DRV_EV_QID_LBN 64 + #define DRV_EV_QID_WIDTH 12 + #define DRV_EV_DATA_LBN 0 + #define DRV_EV_DATA_WIDTH 64 +#define EVQ_CTL_REG_KER_OFST 0x450 /* Event queue control register */ +#define EVQ_CTL_REG_OFST 0x450 /* Event queue control register */ + #define RX_EVQ_WAKEUP_MASK_B0_LBN 15 + #define RX_EVQ_WAKEUP_MASK_B0_WIDTH 6 + #define EVQ_OWNERR_CTL_LBN 14 + #define EVQ_OWNERR_CTL_WIDTH 1 + #define EVQ_FIFO_AF_TH_LBN 8 + #define EVQ_FIFO_AF_TH_WIDTH 6 + #define EVQ_FIFO_NOTAF_TH_LBN 0 + #define EVQ_FIFO_NOTAF_TH_WIDTH 6 +/*************---- SRAM Module Registers C Header ----*************/ +#define BUF_TBL_CFG_REG_KER_OFST 0x600 /* Buffer table configuration register */ +#define BUF_TBL_CFG_REG_OFST 0x600 /* Buffer table configuration register */ + #define BUF_TBL_MODE_LBN 3 + #define BUF_TBL_MODE_WIDTH 1 +#define SRM_RX_DC_CFG_REG_KER_OFST 0x610 /* SRAM receive descriptor cache + configuration register */ +#define SRM_RX_DC_CFG_REG_OFST 0x610 /* SRAM receive descriptor cache + configuration register */ + #define SRM_RX_DC_BASE_ADR_LBN 0 + #define SRM_RX_DC_BASE_ADR_WIDTH 21 +#define SRM_TX_DC_CFG_REG_KER_OFST 0x620 /* SRAM transmit descriptor cache + configuration register */ +#define SRM_TX_DC_CFG_REG_OFST 0x620 /* SRAM transmit descriptor cache + configuration register */ + #define SRM_TX_DC_BASE_ADR_LBN 0 + #define SRM_TX_DC_BASE_ADR_WIDTH 21 +#define SRM_CFG_REG_KER_OFST 0x630 /* SRAM configuration register */ +#define SRM_CFG_REG_OFST 0x630 /* SRAM configuration register */ + #define SRAM_OOB_ADR_INTEN_LBN 5 + #define SRAM_OOB_ADR_INTEN_WIDTH 1 + #define SRAM_OOB_BUF_INTEN_LBN 4 + #define SRAM_OOB_BUF_INTEN_WIDTH 1 + #define SRAM_BT_INIT_EN_LBN 3 + #define SRAM_BT_INIT_EN_WIDTH 1 + #define SRM_NUM_BANK_LBN 2 + #define SRM_NUM_BANK_WIDTH 1 + #define SRM_BANK_SIZE_LBN 0 + #define SRM_BANK_SIZE_WIDTH 2 +#define BUF_TBL_UPD_REG_KER_OFST 0x650 /* Buffer table update register */ +#define BUF_TBL_UPD_REG_OFST 0x650 /* Buffer table update register */ + #define BUF_UPD_CMD_LBN 63 + #define BUF_UPD_CMD_WIDTH 1 + #define BUF_CLR_CMD_LBN 62 + #define BUF_CLR_CMD_WIDTH 1 + #define BUF_CLR_END_ID_LBN 32 + #define BUF_CLR_END_ID_WIDTH 20 + #define BUF_CLR_START_ID_LBN 0 + #define BUF_CLR_START_ID_WIDTH 20 +#define SRM_UPD_EVQ_REG_KER_OFST 0x660 /* Buffer table update register */ +#define SRM_UPD_EVQ_REG_OFST 0x660 /* Buffer table update register */ + #define SRM_UPD_EVQ_ID_LBN 0 + #define SRM_UPD_EVQ_ID_WIDTH 12 +#define SRAM_PARITY_REG_KER_OFST 0x670 /* SRAM parity register. */ +#define SRAM_PARITY_REG_OFST 0x670 /* SRAM parity register. */ + #define FORCE_SRAM_PERR_LBN 0 + #define FORCE_SRAM_PERR_WIDTH 1 + +#if FALCON_EXTENDED_P_BAR +#define BUF_HALF_TBL_KER_OFST 0x18000 /* Buffer table in half buffer table + mode direct access by kernel driver */ +#else +#define BUF_HALF_TBL_KER_OFST 0x8000 /* Buffer table in half buffer table + mode direct access by kernel driver */ +#endif + + +#define BUF_HALF_TBL_OFST 0x800000 /* Buffer table in half buffer table mode + direct access by char driver */ + #define BUF_ADR_HBUF_ODD_LBN 44 + #define BUF_ADR_HBUF_ODD_WIDTH 20 + #define BUF_OWNER_ID_HBUF_ODD_LBN 32 + #define BUF_OWNER_ID_HBUF_ODD_WIDTH 12 + #define BUF_ADR_HBUF_EVEN_LBN 12 + #define BUF_ADR_HBUF_EVEN_WIDTH 20 + #define BUF_OWNER_ID_HBUF_EVEN_LBN 0 + #define BUF_OWNER_ID_HBUF_EVEN_WIDTH 12 + + +#if FALCON_EXTENDED_P_BAR +#define BUF_FULL_TBL_KER_OFST 0x18000 /* Buffer table in full buffer table + mode direct access by kernel driver */ +#else +#define BUF_FULL_TBL_KER_OFST 0x8000 /* Buffer table in full buffer table mode + direct access by kernel driver */ +#endif + + + + +#define BUF_FULL_TBL_OFST 0x800000 /* Buffer table in full buffer table mode + direct access by char driver */ + #define IP_DAT_BUF_SIZE_LBN 50 + #define IP_DAT_BUF_SIZE_WIDTH 1 + #define BUF_ADR_REGION_LBN 48 + #define BUF_ADR_REGION_WIDTH 2 + #define BUF_ADR_FBUF_LBN 14 + #define BUF_ADR_FBUF_WIDTH 34 + #define BUF_OWNER_ID_FBUF_LBN 0 + #define BUF_OWNER_ID_FBUF_WIDTH 14 +#define SRM_DBG_REG_OFST 0x3000000 /* SRAM debug access */ + #define SRM_DBG_LBN 0 + #define SRM_DBG_WIDTH 64 +/*************---- RX Datapath Registers C Header ----*************/ + +#define RX_CFG_REG_KER_OFST 0x800 /* Receive configuration register */ +#define RX_CFG_REG_OFST 0x800 /* Receive configuration register */ + +#if !defined(FALCON_64K_RXFIFO) && !defined(FALCON_PRE_02020029) +# if !defined(FALCON_128K_RXFIFO) +# define FALCON_128K_RXFIFO +# endif +#endif + +#if defined(FALCON_128K_RXFIFO) + +/* new for B0 */ + #define RX_TOEP_TCP_SUPPRESS_B0_LBN 48 + #define RX_TOEP_TCP_SUPPRESS_B0_WIDTH 1 + #define RX_INGR_EN_B0_LBN 47 + #define RX_INGR_EN_B0_WIDTH 1 + #define RX_TOEP_IPV4_B0_LBN 46 + #define RX_TOEP_IPV4_B0_WIDTH 1 + #define RX_HASH_ALG_B0_LBN 45 + #define RX_HASH_ALG_B0_WIDTH 1 + #define RX_HASH_INSERT_HDR_B0_LBN 44 + #define RX_HASH_INSERT_HDR_B0_WIDTH 1 +/* moved for B0 */ + #define RX_DESC_PUSH_EN_B0_LBN 43 + #define RX_DESC_PUSH_EN_B0_WIDTH 1 + #define RX_RDW_PATCH_EN_LBN 42 /* Non head of line blocking */ + #define RX_RDW_PATCH_EN_WIDTH 1 + #define RX_PCI_BURST_SIZE_B0_LBN 39 + #define RX_PCI_BURST_SIZE_B0_WIDTH 3 + #define RX_OWNERR_CTL_B0_LBN 38 + #define RX_OWNERR_CTL_B0_WIDTH 1 + #define RX_XON_TX_TH_B0_LBN 33 + #define RX_XON_TX_TH_B0_WIDTH 5 + #define RX_XOFF_TX_TH_B0_LBN 28 + #define RX_XOFF_TX_TH_B0_WIDTH 5 + #define RX_USR_BUF_SIZE_B0_LBN 19 + #define RX_USR_BUF_SIZE_B0_WIDTH 9 + #define RX_XON_MAC_TH_B0_LBN 10 + #define RX_XON_MAC_TH_B0_WIDTH 9 + #define RX_XOFF_MAC_TH_B0_LBN 1 + #define RX_XOFF_MAC_TH_B0_WIDTH 9 + #define RX_XOFF_MAC_EN_B0_LBN 0 + #define RX_XOFF_MAC_EN_B0_WIDTH 1 + +#elif !defined(FALCON_PRE_02020029) +/* new for B0 */ + #define RX_TOEP_TCP_SUPPRESS_B0_LBN 46 + #define RX_TOEP_TCP_SUPPRESS_B0_WIDTH 1 + #define RX_INGR_EN_B0_LBN 45 + #define RX_INGR_EN_B0_WIDTH 1 + #define RX_TOEP_IPV4_B0_LBN 44 + #define RX_TOEP_IPV4_B0_WIDTH 1 + #define RX_HASH_ALG_B0_LBN 43 + #define RX_HASH_ALG_B0_WIDTH 41 + #define RX_HASH_INSERT_HDR_B0_LBN 42 + #define RX_HASH_INSERT_HDR_B0_WIDTH 1 +/* moved for B0 */ + #define RX_DESC_PUSH_EN_B0_LBN 41 + #define RX_DESC_PUSH_EN_B0_WIDTH 1 + #define RX_PCI_BURST_SIZE_B0_LBN 37 + #define RX_PCI_BURST_SIZE_B0_WIDTH 3 + #define RX_OWNERR_CTL_B0_LBN 36 + #define RX_OWNERR_CTL_B0_WIDTH 1 + #define RX_XON_TX_TH_B0_LBN 31 + #define RX_XON_TX_TH_B0_WIDTH 5 + #define RX_XOFF_TX_TH_B0_LBN 26 + #define RX_XOFF_TX_TH_B0_WIDTH 5 + #define RX_USR_BUF_SIZE_B0_LBN 17 + #define RX_USR_BUF_SIZE_B0_WIDTH 9 + #define RX_XON_MAC_TH_B0_LBN 9 + #define RX_XON_MAC_TH_B0_WIDTH 8 + #define RX_XOFF_MAC_TH_B0_LBN 1 + #define RX_XOFF_MAC_TH_B0_WIDTH 8 + #define RX_XOFF_MAC_EN_B0_LBN 0 + #define RX_XOFF_MAC_EN_B0_WIDTH 1 + +#else +/* new for B0 */ + #define RX_TOEP_TCP_SUPPRESS_B0_LBN 44 + #define RX_TOEP_TCP_SUPPRESS_B0_WIDTH 1 + #define RX_INGR_EN_B0_LBN 43 + #define RX_INGR_EN_B0_WIDTH 1 + #define RX_TOEP_IPV4_B0_LBN 42 + #define RX_TOEP_IPV4_B0_WIDTH 1 + #define RX_HASH_ALG_B0_LBN 41 + #define RX_HASH_ALG_B0_WIDTH 41 + #define RX_HASH_INSERT_HDR_B0_LBN 40 + #define RX_HASH_INSERT_HDR_B0_WIDTH 1 +/* moved for B0 */ + #define RX_DESC_PUSH_EN_B0_LBN 35 + #define RX_DESC_PUSH_EN_B0_WIDTH 1 + #define RX_PCI_BURST_SIZE_B0_LBN 35 + #define RX_PCI_BURST_SIZE_B0_WIDTH 2 + #define RX_OWNERR_CTL_B0_LBN 34 + #define RX_OWNERR_CTL_B0_WIDTH 1 + #define RX_XON_TX_TH_B0_LBN 29 + #define RX_XON_TX_TH_B0_WIDTH 5 + #define RX_XOFF_TX_TH_B0_LBN 24 + #define RX_XOFF_TX_TH_B0_WIDTH 5 + #define RX_USR_BUF_SIZE_B0_LBN 15 + #define RX_USR_BUF_SIZE_B0_WIDTH 9 + #define RX_XON_MAC_TH_B0_LBN 8 + #define RX_XON_MAC_TH_B0_WIDTH 7 + #define RX_XOFF_MAC_TH_B0_LBN 1 + #define RX_XOFF_MAC_TH_B0_WIDTH 7 + #define RX_XOFF_MAC_EN_B0_LBN 0 + #define RX_XOFF_MAC_EN_B0_WIDTH 1 + +#endif + +/* A0/A1 */ + #define RX_PUSH_EN_A1_LBN 35 + #define RX_PUSH_EN_A1_WIDTH 1 + #define RX_PCI_BURST_SIZE_A1_LBN 31 + #define RX_PCI_BURST_SIZE_A1_WIDTH 3 + #define RX_OWNERR_CTL_A1_LBN 30 + #define RX_OWNERR_CTL_A1_WIDTH 1 + #define RX_XON_TX_TH_A1_LBN 25 + #define RX_XON_TX_TH_A1_WIDTH 5 + #define RX_XOFF_TX_TH_A1_LBN 20 + #define RX_XOFF_TX_TH_A1_WIDTH 5 + #define RX_USR_BUF_SIZE_A1_LBN 11 + #define RX_USR_BUF_SIZE_A1_WIDTH 9 + #define RX_XON_MAC_TH_A1_LBN 6 + #define RX_XON_MAC_TH_A1_WIDTH 5 + #define RX_XOFF_MAC_TH_A1_LBN 1 + #define RX_XOFF_MAC_TH_A1_WIDTH 5 + #define RX_XOFF_MAC_EN_A1_LBN 0 + #define RX_XOFF_MAC_EN_A1_WIDTH 1 + +#define RX_FILTER_CTL_REG_OFST 0x810 /* Receive filter control registers */ + #define SCATTER_ENBL_NO_MATCH_Q_B0_LBN 40 + #define SCATTER_ENBL_NO_MATCH_Q_B0_WIDTH 1 + #define UDP_FULL_SRCH_LIMIT_LBN 32 + #define UDP_FULL_SRCH_LIMIT_WIDTH 8 + #define NUM_KER_LBN 24 + #define NUM_KER_WIDTH 2 + #define UDP_WILD_SRCH_LIMIT_LBN 16 + #define UDP_WILD_SRCH_LIMIT_WIDTH 8 + #define TCP_WILD_SRCH_LIMIT_LBN 8 + #define TCP_WILD_SRCH_LIMIT_WIDTH 8 + #define TCP_FULL_SRCH_LIMIT_LBN 0 + #define TCP_FULL_SRCH_LIMIT_WIDTH 8 +#define RX_FLUSH_DESCQ_REG_KER_OFST 0x820 /* Receive flush descriptor queue + register */ +#define RX_FLUSH_DESCQ_REG_OFST 0x820 /* Receive flush descriptor queue + register */ + #define RX_FLUSH_DESCQ_CMD_LBN 24 + #define RX_FLUSH_DESCQ_CMD_WIDTH 1 + #define RX_FLUSH_EVQ_ID_LBN 12 + #define RX_FLUSH_EVQ_ID_WIDTH 12 + #define RX_FLUSH_DESCQ_LBN 0 + #define RX_FLUSH_DESCQ_WIDTH 12 +#define RX_DESC_UPD_REG_KER_OFST 0x830 /* Kernel receive descriptor update + register. Page-mapped */ +#define RX_DESC_UPD_REG_PAGE4_OFST 0x8830 /* Char & user receive descriptor + update register. Page-mapped. + For lowest 1K queues. */ +#define RX_DESC_UPD_REG_PAGE123K_OFST 0x1000830 /* Char & user receive + descriptor update register. + Page-mapped. For upper + 3K queues. */ + #define RX_DESC_WPTR_LBN 96 + #define RX_DESC_WPTR_WIDTH 12 + #define RX_DESC_PUSH_CMD_LBN 95 + #define RX_DESC_PUSH_CMD_WIDTH 1 + #define RX_DESC_LBN 0 + #define RX_DESC_WIDTH 64 + #define RX_KER_DESC_LBN 0 + #define RX_KER_DESC_WIDTH 64 + #define RX_USR_DESC_LBN 0 + #define RX_USR_DESC_WIDTH 32 +#define RX_DC_CFG_REG_KER_OFST 0x840 /* Receive descriptor cache + configuration register */ +#define RX_DC_CFG_REG_OFST 0x840 /* Receive descriptor cache + configuration register */ + #define RX_DC_SIZE_LBN 0 + #define RX_DC_SIZE_WIDTH 2 +#define RX_DC_PF_WM_REG_KER_OFST 0x850 /* Receive descriptor cache pre-fetch + watermark register */ +#define RX_DC_PF_WM_REG_OFST 0x850 /* Receive descriptor cache pre-fetch + watermark register */ + #define RX_DC_PF_LWM_LO_LBN 0 + #define RX_DC_PF_LWM_LO_WIDTH 6 + +#define RX_RSS_TKEY_B0_OFST 0x860 /* RSS Toeplitz hash key (B0 only) */ + +#define RX_NODESC_DROP_REG 0x880 + #define RX_NODESC_DROP_CNT_LBN 0 + #define RX_NODESC_DROP_CNT_WIDTH 16 + +#define XM_TX_CFG_REG_OFST 0x1230 + #define XM_AUTO_PAD_LBN 5 + #define XM_AUTO_PAD_WIDTH 1 + +#define RX_FILTER_TBL0_OFST 0xF00000 /* Receive filter table - even entries */ + #define RSS_EN_0_B0_LBN 110 + #define RSS_EN_0_B0_WIDTH 1 + #define SCATTER_EN_0_B0_LBN 109 + #define SCATTER_EN_0_B0_WIDTH 1 + #define TCP_UDP_0_LBN 108 + #define TCP_UDP_0_WIDTH 1 + #define RXQ_ID_0_LBN 96 + #define RXQ_ID_0_WIDTH 12 + #define DEST_IP_0_LBN 64 + #define DEST_IP_0_WIDTH 32 + #define DEST_PORT_TCP_0_LBN 48 + #define DEST_PORT_TCP_0_WIDTH 16 + #define SRC_IP_0_LBN 16 + #define SRC_IP_0_WIDTH 32 + #define SRC_TCP_DEST_UDP_0_LBN 0 + #define SRC_TCP_DEST_UDP_0_WIDTH 16 +#define RX_FILTER_TBL1_OFST 0xF00010 /* Receive filter table - odd entries */ + #define RSS_EN_1_B0_LBN 110 + #define RSS_EN_1_B0_WIDTH 1 + #define SCATTER_EN_1_B0_LBN 109 + #define SCATTER_EN_1_B0_WIDTH 1 + #define TCP_UDP_1_LBN 108 + #define TCP_UDP_1_WIDTH 1 + #define RXQ_ID_1_LBN 96 + #define RXQ_ID_1_WIDTH 12 + #define DEST_IP_1_LBN 64 + #define DEST_IP_1_WIDTH 32 + #define DEST_PORT_TCP_1_LBN 48 + #define DEST_PORT_TCP_1_WIDTH 16 + #define SRC_IP_1_LBN 16 + #define SRC_IP_1_WIDTH 32 + #define SRC_TCP_DEST_UDP_1_LBN 0 + #define SRC_TCP_DEST_UDP_1_WIDTH 16 + +#if FALCON_EXTENDED_P_BAR +#define RX_DESC_PTR_TBL_KER_OFST 0x11800 /* Receive descriptor pointer + kernel access */ +#else +#define RX_DESC_PTR_TBL_KER_OFST 0x1800 /* Receive descriptor pointer + kernel access */ +#endif + + +#define RX_DESC_PTR_TBL_OFST 0xF40000 /* Receive descriptor pointer table */ + #define RX_ISCSI_DDIG_EN_LBN 88 + #define RX_ISCSI_DDIG_EN_WIDTH 1 + #define RX_ISCSI_HDIG_EN_LBN 87 + #define RX_ISCSI_HDIG_EN_WIDTH 1 + #define RX_DESC_PREF_ACT_LBN 86 + #define RX_DESC_PREF_ACT_WIDTH 1 + #define RX_DC_HW_RPTR_LBN 80 + #define RX_DC_HW_RPTR_WIDTH 6 + #define RX_DESCQ_HW_RPTR_LBN 68 + #define RX_DESCQ_HW_RPTR_WIDTH 12 + #define RX_DESCQ_SW_WPTR_LBN 56 + #define RX_DESCQ_SW_WPTR_WIDTH 12 + #define RX_DESCQ_BUF_BASE_ID_LBN 36 + #define RX_DESCQ_BUF_BASE_ID_WIDTH 20 + #define RX_DESCQ_EVQ_ID_LBN 24 + #define RX_DESCQ_EVQ_ID_WIDTH 12 + #define RX_DESCQ_OWNER_ID_LBN 10 + #define RX_DESCQ_OWNER_ID_WIDTH 14 + #define RX_DESCQ_LABEL_LBN 5 + #define RX_DESCQ_LABEL_WIDTH 5 + #define RX_DESCQ_SIZE_LBN 3 + #define RX_DESCQ_SIZE_WIDTH 2 + #define RX_DESCQ_TYPE_LBN 2 + #define RX_DESCQ_TYPE_WIDTH 1 + #define RX_DESCQ_JUMBO_LBN 1 + #define RX_DESCQ_JUMBO_WIDTH 1 + #define RX_DESCQ_EN_LBN 0 + #define RX_DESCQ_EN_WIDTH 1 + + +#define RX_RSS_INDIR_TBL_B0_OFST 0xFB0000 /* RSS indirection table (B0 only) */ + #define RX_RSS_INDIR_ENT_B0_LBN 0 + #define RX_RSS_INDIR_ENT_B0_WIDTH 6 + +/*************---- TX Datapath Registers C Header ----*************/ +#define TX_FLUSH_DESCQ_REG_KER_OFST 0xA00 /* Transmit flush descriptor + queue register */ +#define TX_FLUSH_DESCQ_REG_OFST 0xA00 /* Transmit flush descriptor queue + register */ + #define TX_FLUSH_DESCQ_CMD_LBN 12 + #define TX_FLUSH_DESCQ_CMD_WIDTH 1 + #define TX_FLUSH_DESCQ_LBN 0 + #define TX_FLUSH_DESCQ_WIDTH 12 +#define TX_DESC_UPD_REG_KER_OFST 0xA10 /* Kernel transmit descriptor update + register. Page-mapped */ +#define TX_DESC_UPD_REG_PAGE4_OFST 0x8A10 /* Char & user transmit descriptor + update register. Page-mapped */ +#define TX_DESC_UPD_REG_PAGE123K_OFST 0x1000A10 /* Char & user transmit + descriptor update register. + Page-mapped */ + #define TX_DESC_WPTR_LBN 96 + #define TX_DESC_WPTR_WIDTH 12 + #define TX_DESC_PUSH_CMD_LBN 95 + #define TX_DESC_PUSH_CMD_WIDTH 1 + #define TX_DESC_LBN 0 + #define TX_DESC_WIDTH 95 + #define TX_KER_DESC_LBN 0 + #define TX_KER_DESC_WIDTH 64 + #define TX_USR_DESC_LBN 0 + #define TX_USR_DESC_WIDTH 64 +#define TX_DC_CFG_REG_KER_OFST 0xA20 /* Transmit descriptor cache + configuration register */ +#define TX_DC_CFG_REG_OFST 0xA20 /* Transmit descriptor cache configuration + register */ + #define TX_DC_SIZE_LBN 0 + #define TX_DC_SIZE_WIDTH 2 + +#if FALCON_EXTENDED_P_BAR +#define TX_DESC_PTR_TBL_KER_OFST 0x11900 /* Transmit descriptor pointer. */ +#else +#define TX_DESC_PTR_TBL_KER_OFST 0x1900 /* Transmit descriptor pointer. */ +#endif + + +#define TX_DESC_PTR_TBL_OFST 0xF50000 /* Transmit descriptor pointer */ + #define TX_NON_IP_DROP_DIS_B0_LBN 91 + #define TX_NON_IP_DROP_DIS_B0_WIDTH 1 + #define TX_IP_CHKSM_DIS_B0_LBN 90 + #define TX_IP_CHKSM_DIS_B0_WIDTH 1 + #define TX_TCP_CHKSM_DIS_B0_LBN 89 + #define TX_TCP_CHKSM_DIS_B0_WIDTH 1 + #define TX_DESCQ_EN_LBN 88 + #define TX_DESCQ_EN_WIDTH 1 + #define TX_ISCSI_DDIG_EN_LBN 87 + #define TX_ISCSI_DDIG_EN_WIDTH 1 + #define TX_ISCSI_HDIG_EN_LBN 86 + #define TX_ISCSI_HDIG_EN_WIDTH 1 + #define TX_DC_HW_RPTR_LBN 80 + #define TX_DC_HW_RPTR_WIDTH 6 + #define TX_DESCQ_HW_RPTR_LBN 68 + #define TX_DESCQ_HW_RPTR_WIDTH 12 + #define TX_DESCQ_SW_WPTR_LBN 56 + #define TX_DESCQ_SW_WPTR_WIDTH 12 + #define TX_DESCQ_BUF_BASE_ID_LBN 36 + #define TX_DESCQ_BUF_BASE_ID_WIDTH 20 + #define TX_DESCQ_EVQ_ID_LBN 24 + #define TX_DESCQ_EVQ_ID_WIDTH 12 + #define TX_DESCQ_OWNER_ID_LBN 10 + #define TX_DESCQ_OWNER_ID_WIDTH 14 + #define TX_DESCQ_LABEL_LBN 5 + #define TX_DESCQ_LABEL_WIDTH 5 + #define TX_DESCQ_SIZE_LBN 3 + #define TX_DESCQ_SIZE_WIDTH 2 + #define TX_DESCQ_TYPE_LBN 1 + #define TX_DESCQ_TYPE_WIDTH 2 + #define TX_DESCQ_FLUSH_LBN 0 + #define TX_DESCQ_FLUSH_WIDTH 1 +#define TX_CFG_REG_KER_OFST 0xA50 /* Transmit configuration register */ +#define TX_CFG_REG_OFST 0xA50 /* Transmit configuration register */ + #define TX_IP_ID_P1_OFS_LBN 32 + #define TX_IP_ID_P1_OFS_WIDTH 15 + #define TX_IP_ID_P0_OFS_LBN 16 + #define TX_IP_ID_P0_OFS_WIDTH 15 + #define TX_TURBO_EN_LBN 3 + #define TX_TURBO_EN_WIDTH 1 + #define TX_OWNERR_CTL_LBN 2 + #define TX_OWNERR_CTL_WIDTH 2 + #define TX_NON_IP_DROP_DIS_LBN 1 + #define TX_NON_IP_DROP_DIS_WIDTH 1 + #define TX_IP_ID_REP_EN_LBN 0 + #define TX_IP_ID_REP_EN_WIDTH 1 +#define TX_RESERVED_REG_KER_OFST 0xA80 /* Transmit configuration register */ +#define TX_RESERVED_REG_OFST 0xA80 /* Transmit configuration register */ + #define TX_CSR_PUSH_EN_LBN 89 + #define TX_CSR_PUSH_EN_WIDTH 1 + #define TX_RX_SPACER_LBN 64 + #define TX_RX_SPACER_WIDTH 8 + #define TX_SW_EV_EN_LBN 59 + #define TX_SW_EV_EN_WIDTH 1 + #define TX_RX_SPACER_EN_LBN 57 + #define TX_RX_SPACER_EN_WIDTH 1 + #define TX_CSR_PREF_WD_TMR_LBN 24 + #define TX_CSR_PREF_WD_TMR_WIDTH 16 + #define TX_CSR_ONLY1TAG_LBN 21 + #define TX_CSR_ONLY1TAG_WIDTH 1 + #define TX_PREF_THRESHOLD_LBN 19 + #define TX_PREF_THRESHOLD_WIDTH 2 + #define TX_ONE_PKT_PER_Q_LBN 18 + #define TX_ONE_PKT_PER_Q_WIDTH 1 + #define TX_DIS_NON_IP_EV_LBN 17 + #define TX_DIS_NON_IP_EV_WIDTH 1 + #define TX_DMA_SPACER_LBN 8 + #define TX_DMA_SPACER_WIDTH 8 + #define TX_FLUSH_MIN_LEN_EN_B0_LBN 7 + #define TX_FLUSH_MIN_LEN_EN_B0_WIDTH 1 + #define TX_TCP_DIS_A1_LBN 7 + #define TX_TCP_DIS_A1_WIDTH 1 + #define TX_IP_DIS_A1_LBN 6 + #define TX_IP_DIS_A1_WIDTH 1 + #define TX_MAX_CPL_LBN 2 + #define TX_MAX_CPL_WIDTH 2 + #define TX_MAX_PREF_LBN 0 + #define TX_MAX_PREF_WIDTH 2 +#define TX_VLAN_REG_OFST 0xAE0 /* Transmit VLAN tag register */ + #define TX_VLAN_EN_LBN 127 + #define TX_VLAN_EN_WIDTH 1 + #define TX_VLAN7_PORT1_EN_LBN 125 + #define TX_VLAN7_PORT1_EN_WIDTH 1 + #define TX_VLAN7_PORT0_EN_LBN 124 + #define TX_VLAN7_PORT0_EN_WIDTH 1 + #define TX_VLAN7_LBN 112 + #define TX_VLAN7_WIDTH 12 + #define TX_VLAN6_PORT1_EN_LBN 109 + #define TX_VLAN6_PORT1_EN_WIDTH 1 + #define TX_VLAN6_PORT0_EN_LBN 108 + #define TX_VLAN6_PORT0_EN_WIDTH 1 + #define TX_VLAN6_LBN 96 + #define TX_VLAN6_WIDTH 12 + #define TX_VLAN5_PORT1_EN_LBN 93 + #define TX_VLAN5_PORT1_EN_WIDTH 1 + #define TX_VLAN5_PORT0_EN_LBN 92 + #define TX_VLAN5_PORT0_EN_WIDTH 1 + #define TX_VLAN5_LBN 80 + #define TX_VLAN5_WIDTH 12 + #define TX_VLAN4_PORT1_EN_LBN 77 + #define TX_VLAN4_PORT1_EN_WIDTH 1 + #define TX_VLAN4_PORT0_EN_LBN 76 + #define TX_VLAN4_PORT0_EN_WIDTH 1 + #define TX_VLAN4_LBN 64 + #define TX_VLAN4_WIDTH 12 + #define TX_VLAN3_PORT1_EN_LBN 61 + #define TX_VLAN3_PORT1_EN_WIDTH 1 + #define TX_VLAN3_PORT0_EN_LBN 60 + #define TX_VLAN3_PORT0_EN_WIDTH 1 + #define TX_VLAN3_LBN 48 + #define TX_VLAN3_WIDTH 12 + #define TX_VLAN2_PORT1_EN_LBN 45 + #define TX_VLAN2_PORT1_EN_WIDTH 1 + #define TX_VLAN2_PORT0_EN_LBN 44 + #define TX_VLAN2_PORT0_EN_WIDTH 1 + #define TX_VLAN2_LBN 32 + #define TX_VLAN2_WIDTH 12 + #define TX_VLAN1_PORT1_EN_LBN 29 + #define TX_VLAN1_PORT1_EN_WIDTH 1 + #define TX_VLAN1_PORT0_EN_LBN 28 + #define TX_VLAN1_PORT0_EN_WIDTH 1 + #define TX_VLAN1_LBN 16 + #define TX_VLAN1_WIDTH 12 + #define TX_VLAN0_PORT1_EN_LBN 13 + #define TX_VLAN0_PORT1_EN_WIDTH 1 + #define TX_VLAN0_PORT0_EN_LBN 12 + #define TX_VLAN0_PORT0_EN_WIDTH 1 + #define TX_VLAN0_LBN 0 + #define TX_VLAN0_WIDTH 12 +#define TX_FIL_CTL_REG_OFST 0xAF0 /* Transmit filter control register */ + #define TX_MADR1_FIL_EN_LBN 65 + #define TX_MADR1_FIL_EN_WIDTH 1 + #define TX_MADR0_FIL_EN_LBN 64 + #define TX_MADR0_FIL_EN_WIDTH 1 + #define TX_IPFIL31_PORT1_EN_LBN 63 + #define TX_IPFIL31_PORT1_EN_WIDTH 1 + #define TX_IPFIL31_PORT0_EN_LBN 62 + #define TX_IPFIL31_PORT0_EN_WIDTH 1 + #define TX_IPFIL30_PORT1_EN_LBN 61 + #define TX_IPFIL30_PORT1_EN_WIDTH 1 + #define TX_IPFIL30_PORT0_EN_LBN 60 + #define TX_IPFIL30_PORT0_EN_WIDTH 1 + #define TX_IPFIL29_PORT1_EN_LBN 59 + #define TX_IPFIL29_PORT1_EN_WIDTH 1 + #define TX_IPFIL29_PORT0_EN_LBN 58 + #define TX_IPFIL29_PORT0_EN_WIDTH 1 + #define TX_IPFIL28_PORT1_EN_LBN 57 + #define TX_IPFIL28_PORT1_EN_WIDTH 1 + #define TX_IPFIL28_PORT0_EN_LBN 56 + #define TX_IPFIL28_PORT0_EN_WIDTH 1 + #define TX_IPFIL27_PORT1_EN_LBN 55 + #define TX_IPFIL27_PORT1_EN_WIDTH 1 + #define TX_IPFIL27_PORT0_EN_LBN 54 + #define TX_IPFIL27_PORT0_EN_WIDTH 1 + #define TX_IPFIL26_PORT1_EN_LBN 53 + #define TX_IPFIL26_PORT1_EN_WIDTH 1 + #define TX_IPFIL26_PORT0_EN_LBN 52 + #define TX_IPFIL26_PORT0_EN_WIDTH 1 + #define TX_IPFIL25_PORT1_EN_LBN 51 + #define TX_IPFIL25_PORT1_EN_WIDTH 1 + #define TX_IPFIL25_PORT0_EN_LBN 50 + #define TX_IPFIL25_PORT0_EN_WIDTH 1 + #define TX_IPFIL24_PORT1_EN_LBN 49 + #define TX_IPFIL24_PORT1_EN_WIDTH 1 + #define TX_IPFIL24_PORT0_EN_LBN 48 + #define TX_IPFIL24_PORT0_EN_WIDTH 1 + #define TX_IPFIL23_PORT1_EN_LBN 47 + #define TX_IPFIL23_PORT1_EN_WIDTH 1 + #define TX_IPFIL23_PORT0_EN_LBN 46 + #define TX_IPFIL23_PORT0_EN_WIDTH 1 + #define TX_IPFIL22_PORT1_EN_LBN 45 + #define TX_IPFIL22_PORT1_EN_WIDTH 1 + #define TX_IPFIL22_PORT0_EN_LBN 44 + #define TX_IPFIL22_PORT0_EN_WIDTH 1 + #define TX_IPFIL21_PORT1_EN_LBN 43 + #define TX_IPFIL21_PORT1_EN_WIDTH 1 + #define TX_IPFIL21_PORT0_EN_LBN 42 + #define TX_IPFIL21_PORT0_EN_WIDTH 1 + #define TX_IPFIL20_PORT1_EN_LBN 41 + #define TX_IPFIL20_PORT1_EN_WIDTH 1 + #define TX_IPFIL20_PORT0_EN_LBN 40 + #define TX_IPFIL20_PORT0_EN_WIDTH 1 + #define TX_IPFIL19_PORT1_EN_LBN 39 + #define TX_IPFIL19_PORT1_EN_WIDTH 1 + #define TX_IPFIL19_PORT0_EN_LBN 38 + #define TX_IPFIL19_PORT0_EN_WIDTH 1 + #define TX_IPFIL18_PORT1_EN_LBN 37 + #define TX_IPFIL18_PORT1_EN_WIDTH 1 + #define TX_IPFIL18_PORT0_EN_LBN 36 + #define TX_IPFIL18_PORT0_EN_WIDTH 1 + #define TX_IPFIL17_PORT1_EN_LBN 35 + #define TX_IPFIL17_PORT1_EN_WIDTH 1 + #define TX_IPFIL17_PORT0_EN_LBN 34 + #define TX_IPFIL17_PORT0_EN_WIDTH 1 + #define TX_IPFIL16_PORT1_EN_LBN 33 + #define TX_IPFIL16_PORT1_EN_WIDTH 1 + #define TX_IPFIL16_PORT0_EN_LBN 32 + #define TX_IPFIL16_PORT0_EN_WIDTH 1 + #define TX_IPFIL15_PORT1_EN_LBN 31 + #define TX_IPFIL15_PORT1_EN_WIDTH 1 + #define TX_IPFIL15_PORT0_EN_LBN 30 + #define TX_IPFIL15_PORT0_EN_WIDTH 1 + #define TX_IPFIL14_PORT1_EN_LBN 29 + #define TX_IPFIL14_PORT1_EN_WIDTH 1 + #define TX_IPFIL14_PORT0_EN_LBN 28 + #define TX_IPFIL14_PORT0_EN_WIDTH 1 + #define TX_IPFIL13_PORT1_EN_LBN 27 + #define TX_IPFIL13_PORT1_EN_WIDTH 1 + #define TX_IPFIL13_PORT0_EN_LBN 26 + #define TX_IPFIL13_PORT0_EN_WIDTH 1 + #define TX_IPFIL12_PORT1_EN_LBN 25 + #define TX_IPFIL12_PORT1_EN_WIDTH 1 + #define TX_IPFIL12_PORT0_EN_LBN 24 + #define TX_IPFIL12_PORT0_EN_WIDTH 1 + #define TX_IPFIL11_PORT1_EN_LBN 23 + #define TX_IPFIL11_PORT1_EN_WIDTH 1 + #define TX_IPFIL11_PORT0_EN_LBN 22 + #define TX_IPFIL11_PORT0_EN_WIDTH 1 + #define TX_IPFIL10_PORT1_EN_LBN 21 + #define TX_IPFIL10_PORT1_EN_WIDTH 1 + #define TX_IPFIL10_PORT0_EN_LBN 20 + #define TX_IPFIL10_PORT0_EN_WIDTH 1 + #define TX_IPFIL9_PORT1_EN_LBN 19 + #define TX_IPFIL9_PORT1_EN_WIDTH 1 + #define TX_IPFIL9_PORT0_EN_LBN 18 + #define TX_IPFIL9_PORT0_EN_WIDTH 1 + #define TX_IPFIL8_PORT1_EN_LBN 17 + #define TX_IPFIL8_PORT1_EN_WIDTH 1 + #define TX_IPFIL8_PORT0_EN_LBN 16 + #define TX_IPFIL8_PORT0_EN_WIDTH 1 + #define TX_IPFIL7_PORT1_EN_LBN 15 + #define TX_IPFIL7_PORT1_EN_WIDTH 1 + #define TX_IPFIL7_PORT0_EN_LBN 14 + #define TX_IPFIL7_PORT0_EN_WIDTH 1 + #define TX_IPFIL6_PORT1_EN_LBN 13 + #define TX_IPFIL6_PORT1_EN_WIDTH 1 + #define TX_IPFIL6_PORT0_EN_LBN 12 + #define TX_IPFIL6_PORT0_EN_WIDTH 1 + #define TX_IPFIL5_PORT1_EN_LBN 11 + #define TX_IPFIL5_PORT1_EN_WIDTH 1 + #define TX_IPFIL5_PORT0_EN_LBN 10 + #define TX_IPFIL5_PORT0_EN_WIDTH 1 + #define TX_IPFIL4_PORT1_EN_LBN 9 + #define TX_IPFIL4_PORT1_EN_WIDTH 1 + #define TX_IPFIL4_PORT0_EN_LBN 8 + #define TX_IPFIL4_PORT0_EN_WIDTH 1 + #define TX_IPFIL3_PORT1_EN_LBN 7 + #define TX_IPFIL3_PORT1_EN_WIDTH 1 + #define TX_IPFIL3_PORT0_EN_LBN 6 + #define TX_IPFIL3_PORT0_EN_WIDTH 1 + #define TX_IPFIL2_PORT1_EN_LBN 5 + #define TX_IPFIL2_PORT1_EN_WIDTH 1 + #define TX_IPFIL2_PORT0_EN_LBN 4 + #define TX_IPFIL2_PORT0_EN_WIDTH 1 + #define TX_IPFIL1_PORT1_EN_LBN 3 + #define TX_IPFIL1_PORT1_EN_WIDTH 1 + #define TX_IPFIL1_PORT0_EN_LBN 2 + #define TX_IPFIL1_PORT0_EN_WIDTH 1 + #define TX_IPFIL0_PORT1_EN_LBN 1 + #define TX_IPFIL0_PORT1_EN_WIDTH 1 + #define TX_IPFIL0_PORT0_EN_LBN 0 + #define TX_IPFIL0_PORT0_EN_WIDTH 1 +#define TX_IPFIL_TBL_OFST 0xB00 /* Transmit IP source address filter table */ + #define TX_IPFIL_MASK_LBN 32 + #define TX_IPFIL_MASK_WIDTH 32 + #define TX_IP_SRC_ADR_LBN 0 + #define TX_IP_SRC_ADR_WIDTH 32 +#define TX_PACE_REG_A1_OFST 0xF80000 /* Transmit pace control register */ +#define TX_PACE_REG_B0_OFST 0xA90 /* Transmit pace control register */ + #define TX_PACE_SB_AF_LBN 19 + #define TX_PACE_SB_AF_WIDTH 10 + #define TX_PACE_SB_NOTAF_LBN 9 + #define TX_PACE_SB_NOTAF_WIDTH 10 + #define TX_PACE_FB_BASE_LBN 5 + #define TX_PACE_FB_BASE_WIDTH 4 + #define TX_PACE_BIN_TH_LBN 0 + #define TX_PACE_BIN_TH_WIDTH 5 +#define TX_PACE_TBL_A1_OFST 0xF80040 /* Transmit pacing table */ +#define TX_PACE_TBL_FIRST_QUEUE_A1 4 +#define TX_PACE_TBL_B0_OFST 0xF80000 /* Transmit pacing table */ +#define TX_PACE_TBL_FIRST_QUEUE_B0 0 + #define TX_PACE_LBN 0 + #define TX_PACE_WIDTH 5 + +/*************---- EE/Flash Registers C Header ----*************/ +#define EE_SPI_HCMD_REG_KER_OFST 0x100 /* SPI host command register */ +#define EE_SPI_HCMD_REG_OFST 0x100 /* SPI host command register */ + #define EE_SPI_HCMD_CMD_EN_LBN 31 + #define EE_SPI_HCMD_CMD_EN_WIDTH 1 + #define EE_WR_TIMER_ACTIVE_LBN 28 + #define EE_WR_TIMER_ACTIVE_WIDTH 1 + #define EE_SPI_HCMD_SF_SEL_LBN 24 + #define EE_SPI_HCMD_SF_SEL_WIDTH 1 + #define EE_SPI_HCMD_DABCNT_LBN 16 + #define EE_SPI_HCMD_DABCNT_WIDTH 5 + #define EE_SPI_HCMD_READ_LBN 15 + #define EE_SPI_HCMD_READ_WIDTH 1 + #define EE_SPI_HCMD_DUBCNT_LBN 12 + #define EE_SPI_HCMD_DUBCNT_WIDTH 2 + #define EE_SPI_HCMD_ADBCNT_LBN 8 + #define EE_SPI_HCMD_ADBCNT_WIDTH 2 + #define EE_SPI_HCMD_ENC_LBN 0 + #define EE_SPI_HCMD_ENC_WIDTH 8 +#define EE_SPI_HADR_REG_KER_OFST 0X110 /* SPI host address register */ +#define EE_SPI_HADR_REG_OFST 0X110 /* SPI host address register */ + #define EE_SPI_HADR_DUBYTE_LBN 24 + #define EE_SPI_HADR_DUBYTE_WIDTH 8 + #define EE_SPI_HADR_ADR_LBN 0 + #define EE_SPI_HADR_ADR_WIDTH 24 +#define EE_SPI_HDATA_REG_KER_OFST 0x120 /* SPI host data register */ +#define EE_SPI_HDATA_REG_OFST 0x120 /* SPI host data register */ + #define EE_SPI_HDATA3_LBN 96 + #define EE_SPI_HDATA3_WIDTH 32 + #define EE_SPI_HDATA2_LBN 64 + #define EE_SPI_HDATA2_WIDTH 32 + #define EE_SPI_HDATA1_LBN 32 + #define EE_SPI_HDATA1_WIDTH 32 + #define EE_SPI_HDATA0_LBN 0 + #define EE_SPI_HDATA0_WIDTH 32 +#define EE_BASE_PAGE_REG_KER_OFST 0x130 /* Expansion ROM base mirror register */ +#define EE_BASE_PAGE_REG_OFST 0x130 /* Expansion ROM base mirror register */ + #define EE_EXP_ROM_WINDOW_BASE_LBN 16 + #define EE_EXP_ROM_WINDOW_BASE_WIDTH 13 + #define EE_EXPROM_MASK_LBN 0 + #define EE_EXPROM_MASK_WIDTH 13 +#define EE_VPD_CFG0_REG_KER_OFST 0X140 /* SPI/VPD configuration register */ +#define EE_VPD_CFG0_REG_OFST 0X140 /* SPI/VPD configuration register */ + #define EE_SF_FASTRD_EN_LBN 127 + #define EE_SF_FASTRD_EN_WIDTH 1 + #define EE_SF_CLOCK_DIV_LBN 120 + #define EE_SF_CLOCK_DIV_WIDTH 7 + #define EE_VPD_WIP_POLL_LBN 119 + #define EE_VPD_WIP_POLL_WIDTH 1 + #define EE_VPDW_LENGTH_LBN 80 + #define EE_VPDW_LENGTH_WIDTH 15 + #define EE_VPDW_BASE_LBN 64 + #define EE_VPDW_BASE_WIDTH 15 + #define EE_VPD_WR_CMD_EN_LBN 56 + #define EE_VPD_WR_CMD_EN_WIDTH 8 + #define EE_VPD_BASE_LBN 32 + #define EE_VPD_BASE_WIDTH 24 + #define EE_VPD_LENGTH_LBN 16 + #define EE_VPD_LENGTH_WIDTH 13 + #define EE_VPD_AD_SIZE_LBN 8 + #define EE_VPD_AD_SIZE_WIDTH 5 + #define EE_VPD_ACCESS_ON_LBN 5 + #define EE_VPD_ACCESS_ON_WIDTH 1 +#define EE_VPD_SW_CNTL_REG_KER_OFST 0X150 /* VPD access SW control register */ +#define EE_VPD_SW_CNTL_REG_OFST 0X150 /* VPD access SW control register */ + #define EE_VPD_CYCLE_PENDING_LBN 31 + #define EE_VPD_CYCLE_PENDING_WIDTH 1 + #define EE_VPD_CYC_WRITE_LBN 28 + #define EE_VPD_CYC_WRITE_WIDTH 1 + #define EE_VPD_CYC_ADR_LBN 0 + #define EE_VPD_CYC_ADR_WIDTH 15 +#define EE_VPD_SW_DATA_REG_KER_OFST 0x160 /* VPD access SW data register */ +#define EE_VPD_SW_DATA_REG_OFST 0x160 /* VPD access SW data register */ + #define EE_VPD_CYC_DAT_LBN 0 + #define EE_VPD_CYC_DAT_WIDTH 32 diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_desc.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_desc.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,75 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides EtherFabric NIC - EFXXXX (aka Falcon) descriptor + * definitions. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +/*************---- Descriptors C Headers ----*************/ +/* Receive Kernel IP Descriptor */ + #define RX_KER_BUF_SIZE_LBN 48 + #define RX_KER_BUF_SIZE_WIDTH 14 + #define RX_KER_BUF_REGION_LBN 46 + #define RX_KER_BUF_REGION_WIDTH 2 + #define RX_KER_BUF_REGION0_DECODE 0 + #define RX_KER_BUF_REGION1_DECODE 1 + #define RX_KER_BUF_REGION2_DECODE 2 + #define RX_KER_BUF_REGION3_DECODE 3 + #define RX_KER_BUF_ADR_LBN 0 + #define RX_KER_BUF_ADR_WIDTH 46 +/* Receive User IP Descriptor */ + #define RX_USR_2BYTE_OFS_LBN 20 + #define RX_USR_2BYTE_OFS_WIDTH 12 + #define RX_USR_BUF_ID_LBN 0 + #define RX_USR_BUF_ID_WIDTH 20 +/* Transmit Kernel IP Descriptor */ + #define TX_KER_PORT_LBN 63 + #define TX_KER_PORT_WIDTH 1 + #define TX_KER_CONT_LBN 62 + #define TX_KER_CONT_WIDTH 1 + #define TX_KER_BYTE_CNT_LBN 48 + #define TX_KER_BYTE_CNT_WIDTH 14 + #define TX_KER_BUF_REGION_LBN 46 + #define TX_KER_BUF_REGION_WIDTH 2 + #define TX_KER_BUF_REGION0_DECODE 0 + #define TX_KER_BUF_REGION1_DECODE 1 + #define TX_KER_BUF_REGION2_DECODE 2 + #define TX_KER_BUF_REGION3_DECODE 3 + #define TX_KER_BUF_ADR_LBN 0 + #define TX_KER_BUF_ADR_WIDTH 46 +/* Transmit User IP Descriptor */ + #define TX_USR_PORT_LBN 47 + #define TX_USR_PORT_WIDTH 1 + #define TX_USR_CONT_LBN 46 + #define TX_USR_CONT_WIDTH 1 + #define TX_USR_BYTE_CNT_LBN 33 + #define TX_USR_BYTE_CNT_WIDTH 13 + #define TX_USR_BUF_ID_LBN 13 + #define TX_USR_BUF_ID_WIDTH 20 + #define TX_USR_BYTE_OFS_LBN 0 + #define TX_USR_BYTE_OFS_WIDTH 13 diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_event.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_event.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,155 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides EtherFabric NIC - EFXXXX (aka Falcon) event + * definitions. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +/*************---- Events Format C Header ----*************/ +/*************---- Event entry ----*************/ + #define EV_CODE_LBN 60 + #define EV_CODE_WIDTH 4 + #define RX_IP_EV_DECODE 0 + #define TX_IP_EV_DECODE 2 + #define DRIVER_EV_DECODE 5 + #define GLOBAL_EV_DECODE 6 + #define DRV_GEN_EV_DECODE 7 + #define EV_DATA_LBN 0 + #define EV_DATA_WIDTH 60 +/******---- Receive IP events for both Kernel & User event queues ----******/ + #define RX_EV_PKT_OK_LBN 56 + #define RX_EV_PKT_OK_WIDTH 1 + #define RX_EV_BUF_OWNER_ID_ERR_LBN 54 + #define RX_EV_BUF_OWNER_ID_ERR_WIDTH 1 + #define RX_EV_IP_HDR_CHKSUM_ERR_LBN 52 + #define RX_EV_IP_HDR_CHKSUM_ERR_WIDTH 1 + #define RX_EV_TCP_UDP_CHKSUM_ERR_LBN 51 + #define RX_EV_TCP_UDP_CHKSUM_ERR_WIDTH 1 + #define RX_EV_ETH_CRC_ERR_LBN 50 + #define RX_EV_ETH_CRC_ERR_WIDTH 1 + #define RX_EV_FRM_TRUNC_LBN 49 + #define RX_EV_FRM_TRUNC_WIDTH 1 + #define RX_EV_DRIB_NIB_LBN 48 + #define RX_EV_DRIB_NIB_WIDTH 1 + #define RX_EV_TOBE_DISC_LBN 47 + #define RX_EV_TOBE_DISC_WIDTH 1 + #define RX_EV_PKT_TYPE_LBN 44 + #define RX_EV_PKT_TYPE_WIDTH 3 + #define RX_EV_PKT_TYPE_ETH_DECODE 0 + #define RX_EV_PKT_TYPE_LLC_DECODE 1 + #define RX_EV_PKT_TYPE_JUMBO_DECODE 2 + #define RX_EV_PKT_TYPE_VLAN_DECODE 3 + #define RX_EV_PKT_TYPE_VLAN_LLC_DECODE 4 + #define RX_EV_PKT_TYPE_VLAN_JUMBO_DECODE 5 + #define RX_EV_HDR_TYPE_LBN 42 + #define RX_EV_HDR_TYPE_WIDTH 2 + #define RX_EV_HDR_TYPE_TCP_IPV4_DECODE 0 + #define RX_EV_HDR_TYPE_UDP_IPV4_DECODE 1 + #define RX_EV_HDR_TYPE_OTHER_IP_DECODE 2 + #define RX_EV_HDR_TYPE_NON_IP_DECODE 3 + #define RX_EV_DESC_Q_EMPTY_LBN 41 + #define RX_EV_DESC_Q_EMPTY_WIDTH 1 + #define RX_EV_MCAST_HASH_MATCH_LBN 40 + #define RX_EV_MCAST_HASH_MATCH_WIDTH 1 + #define RX_EV_MCAST_PKT_LBN 39 + #define RX_EV_MCAST_PKT_WIDTH 1 + #define RX_EV_Q_LABEL_LBN 32 + #define RX_EV_Q_LABEL_WIDTH 5 + #define RX_JUMBO_CONT_LBN 31 + #define RX_JUMBO_CONT_WIDTH 1 + #define RX_SOP_LBN 15 + #define RX_SOP_WIDTH 1 + #define RX_PORT_LBN 30 + #define RX_PORT_WIDTH 1 + #define RX_EV_BYTE_CNT_LBN 16 + #define RX_EV_BYTE_CNT_WIDTH 14 + #define RX_iSCSI_PKT_OK_LBN 14 + #define RX_iSCSI_PKT_OK_WIDTH 1 + #define RX_ISCSI_DDIG_ERR_LBN 13 + #define RX_ISCSI_DDIG_ERR_WIDTH 1 + #define RX_ISCSI_HDIG_ERR_LBN 12 + #define RX_ISCSI_HDIG_ERR_WIDTH 1 + #define RX_EV_DESC_PTR_LBN 0 + #define RX_EV_DESC_PTR_WIDTH 12 +/******---- Transmit IP events for both Kernel & User event queues ----******/ + #define TX_EV_PKT_ERR_LBN 38 + #define TX_EV_PKT_ERR_WIDTH 1 + #define TX_EV_PKT_TOO_BIG_LBN 37 + #define TX_EV_PKT_TOO_BIG_WIDTH 1 + #define TX_EV_Q_LABEL_LBN 32 + #define TX_EV_Q_LABEL_WIDTH 5 + #define TX_EV_PORT_LBN 16 + #define TX_EV_PORT_WIDTH 1 + #define TX_EV_WQ_FF_FULL_LBN 15 + #define TX_EV_WQ_FF_FULL_WIDTH 1 + #define TX_EV_BUF_OWNER_ID_ERR_LBN 14 + #define TX_EV_BUF_OWNER_ID_ERR_WIDTH 1 + #define TX_EV_COMP_LBN 12 + #define TX_EV_COMP_WIDTH 1 + #define TX_EV_DESC_PTR_LBN 0 + #define TX_EV_DESC_PTR_WIDTH 12 +/*************---- Char or Kernel driver events ----*************/ + #define DRIVER_EV_SUB_CODE_LBN 56 + #define DRIVER_EV_SUB_CODE_WIDTH 4 + #define TX_DESCQ_FLS_DONE_EV_DECODE 0x0 + #define RX_DESCQ_FLS_DONE_EV_DECODE 0x1 + #define EVQ_INIT_DONE_EV_DECODE 0x2 + #define EVQ_NOT_EN_EV_DECODE 0x3 + #define RX_DESCQ_FLSFF_OVFL_EV_DECODE 0x4 + #define SRM_UPD_DONE_EV_DECODE 0x5 + #define WAKE_UP_EV_DECODE 0x6 + #define TX_PKT_NON_TCP_UDP_DECODE 0x9 + #define TIMER_EV_DECODE 0xA + #define RX_DSC_ERROR_EV_DECODE 0xE + #define DRIVER_EV_TX_DESCQ_ID_LBN 0 + #define DRIVER_EV_TX_DESCQ_ID_WIDTH 12 + #define DRIVER_EV_RX_DESCQ_ID_LBN 0 + #define DRIVER_EV_RX_DESCQ_ID_WIDTH 12 + #define DRIVER_EV_EVQ_ID_LBN 0 + #define DRIVER_EV_EVQ_ID_WIDTH 12 + #define DRIVER_TMR_ID_LBN 0 + #define DRIVER_TMR_ID_WIDTH 12 + #define DRIVER_EV_SRM_UPD_LBN 0 + #define DRIVER_EV_SRM_UPD_WIDTH 2 + #define SRM_CLR_EV_DECODE 0 + #define SRM_UPD_EV_DECODE 1 + #define SRM_ILLCLR_EV_DECODE 2 +/********---- Global events. Sent to both event queue 0 and 4. ----********/ + #define XFP_PHY_INTR_LBN 10 + #define XFP_PHY_INTR_WIDTH 1 + #define XG_PHY_INTR_LBN 9 + #define XG_PHY_INTR_WIDTH 1 + #define G_PHY1_INTR_LBN 8 + #define G_PHY1_INTR_WIDTH 1 + #define G_PHY0_INTR_LBN 7 + #define G_PHY0_INTR_WIDTH 1 +/*************---- Driver generated events ----*************/ + #define DRV_GEN_EV_CODE_LBN 60 + #define DRV_GEN_EV_CODE_WIDTH 4 + #define DRV_GEN_EV_DATA_LBN 0 + #define DRV_GEN_EV_DATA_WIDTH 60 diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_grmon.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_grmon.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,129 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides EtherFabric NIC - EFXXXX (aka Falcon) 1G MAC + * counters. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +/*************---- 1G MAC Statistical Counters C Header ----*************/ +#define GRxGoodOct_offset 0x0 + #define GRxGoodOct_WIDTH 48 +#define GRxBadOct_offset 0x8 + #define GRxBadOct_WIDTH 48 +#define GRxMissPkt_offset 0x10 + #define GRxMissPkt_WIDTH 32 +#define GRxFalseCRS_offset 0x14 + #define GRxFalseCRS_WIDTH 32 +#define GRxPausePkt_offset 0x18 + #define GRxPausePkt_WIDTH 32 +#define GRxBadPkt_offset 0x1C + #define GRxBadPkt_WIDTH 32 +#define GRxUcastPkt_offset 0x20 + #define GRxUcastPkt_WIDTH 32 +#define GRxMcastPkt_offset 0x24 + #define GRxMcastPkt_WIDTH 32 +#define GRxBcastPkt_offset 0x28 + #define GRxBcastPkt_WIDTH 32 +#define GRxGoodLt64Pkt_offset 0x2C + #define GRxGoodLt64Pkt_WIDTH 32 +#define GRxBadLt64Pkt_offset 0x30 + #define GRxBadLt64Pkt_WIDTH 32 +#define GRx64Pkt_offset 0x34 + #define GRx64Pkt_WIDTH 32 +#define GRx65to127Pkt_offset 0x38 + #define GRx65to127Pkt_WIDTH 32 +#define GRx128to255Pkt_offset 0x3C + #define GRx128to255Pkt_WIDTH 32 +#define GRx256to511Pkt_offset 0x40 + #define GRx256to511Pkt_WIDTH 32 +#define GRx512to1023Pkt_offset 0x44 + #define GRx512to1023Pkt_WIDTH 32 +#define GRx1024to15xxPkt_offset 0x48 + #define GRx1024to15xxPkt_WIDTH 32 +#define GRx15xxtoJumboPkt_offset 0x4C + #define GRx15xxtoJumboPkt_WIDTH 32 +#define GRxGtJumboPkt_offset 0x50 + #define GRxGtJumboPkt_WIDTH 32 +#define GRxFcsErr64to15xxPkt_offset 0x54 + #define GRxFcsErr64to15xxPkt_WIDTH 32 +#define GRxFcsErr15xxtoJumboPkt_offset 0x58 + #define GRxFcsErr15xxtoJumboPkt_WIDTH 32 +#define GRxFcsErrGtJumboPkt_offset 0x5C + #define GRxFcsErrGtJumboPkt_WIDTH 32 +#define GTxGoodBadOct_offset 0x80 + #define GTxGoodBadOct_WIDTH 48 +#define GTxGoodOct_offset 0x88 + #define GTxGoodOct_WIDTH 48 +#define GTxSglColPkt_offset 0x90 + #define GTxSglColPkt_WIDTH 32 +#define GTxMultColPkt_offset 0x94 + #define GTxMultColPkt_WIDTH 32 +#define GTxExColPkt_offset 0x98 + #define GTxExColPkt_WIDTH 32 +#define GTxDefPkt_offset 0x9C + #define GTxDefPkt_WIDTH 32 +#define GTxLateCol_offset 0xA0 + #define GTxLateCol_WIDTH 32 +#define GTxExDefPkt_offset 0xA4 + #define GTxExDefPkt_WIDTH 32 +#define GTxPausePkt_offset 0xA8 + #define GTxPausePkt_WIDTH 32 +#define GTxBadPkt_offset 0xAC + #define GTxBadPkt_WIDTH 32 +#define GTxUcastPkt_offset 0xB0 + #define GTxUcastPkt_WIDTH 32 +#define GTxMcastPkt_offset 0xB4 + #define GTxMcastPkt_WIDTH 32 +#define GTxBcastPkt_offset 0xB8 + #define GTxBcastPkt_WIDTH 32 +#define GTxLt64Pkt_offset 0xBC + #define GTxLt64Pkt_WIDTH 32 +#define GTx64Pkt_offset 0xC0 + #define GTx64Pkt_WIDTH 32 +#define GTx65to127Pkt_offset 0xC4 + #define GTx65to127Pkt_WIDTH 32 +#define GTx128to255Pkt_offset 0xC8 + #define GTx128to255Pkt_WIDTH 32 +#define GTx256to511Pkt_offset 0xCC + #define GTx256to511Pkt_WIDTH 32 +#define GTx512to1023Pkt_offset 0xD0 + #define GTx512to1023Pkt_WIDTH 32 +#define GTx1024to15xxPkt_offset 0xD4 + #define GTx1024to15xxPkt_WIDTH 32 +#define GTx15xxtoJumboPkt_offset 0xD8 + #define GTx15xxtoJumboPkt_WIDTH 32 +#define GTxGtJumboPkt_offset 0xDC + #define GTxGtJumboPkt_WIDTH 32 +#define GTxNonTcpUdpPkt_offset 0xE0 + #define GTxNonTcpUdpPkt_WIDTH 16 +#define GTxMacSrcErrPkt_offset 0xE4 + #define GTxMacSrcErrPkt_WIDTH 16 +#define GTxIpSrcErrPkt_offset 0xE8 + #define GTxIpSrcErrPkt_WIDTH 16 +#define GDmaDone_offset 0xEC + #define GDmaDone_WIDTH 32 diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_intr_vec.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_intr_vec.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,44 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides EtherFabric NIC - EFXXXX (aka Falcon) interrupt + * vector definitions. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +/*************---- Interrupt Vector Format C Header ----*************/ +#define DW0_OFST 0x0 /* Double-word 0: Event queue FIFO interrupts */ + #define EVQ_FIFO_HF_LBN 1 + #define EVQ_FIFO_HF_WIDTH 1 + #define EVQ_FIFO_AF_LBN 0 + #define EVQ_FIFO_AF_WIDTH 1 +#define DW1_OFST 0x4 /* Double-word 1: Interrupt indicator */ + #define INT_FLAG_LBN 0 + #define INT_FLAG_WIDTH 1 +#define DW2_OFST 0x8 /* Double-word 2: Fatal interrupts */ + #define FATAL_INT_LBN 0 + #define FATAL_INT_WIDTH 1 diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_mac.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_mac.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,711 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides EtherFabric NIC - EFXXXX (aka Falcon) MAC register + * definitions. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +/*********---- 1G/10G Ethernet MAC Wrapper Registers C Header ----*********/ +#define MD_TXD_REG_KER_OFST 0xC00 /* PHY management transmit data register */ +#define MD_TXD_REG_OFST 0xC00 /* PHY management transmit data register */ + #define MD_TXD_LBN 0 + #define MD_TXD_WIDTH 16 +#define MD_RXD_REG_KER_OFST 0xC10 /* PHY management receive data register */ +#define MD_RXD_REG_OFST 0xC10 /* PHY management receive data register */ + #define MD_RXD_LBN 0 + #define MD_RXD_WIDTH 16 +#define MD_CS_REG_KER_OFST 0xC20 /* PHY management configuration & + status register */ +#define MD_CS_REG_OFST 0xC20 /* PHY management configuration & + status register */ + #define MD_PT_LBN 7 + #define MD_PT_WIDTH 3 + #define MD_PL_LBN 6 + #define MD_PL_WIDTH 1 + #define MD_INT_CLR_LBN 5 + #define MD_INT_CLR_WIDTH 1 + #define MD_GC_LBN 4 + #define MD_GC_WIDTH 1 + #define MD_PRSP_LBN 3 + #define MD_PRSP_WIDTH 1 + #define MD_RIC_LBN 2 + #define MD_RIC_WIDTH 1 + #define MD_RDC_LBN 1 + #define MD_RDC_WIDTH 1 + #define MD_WRC_LBN 0 + #define MD_WRC_WIDTH 1 +#define MD_PHY_ADR_REG_KER_OFST 0xC30 /* PHY management PHY address register */ +#define MD_PHY_ADR_REG_OFST 0xC30 /* PHY management PHY address register */ + #define MD_PHY_ADR_LBN 0 + #define MD_PHY_ADR_WIDTH 16 +#define MD_ID_REG_KER_OFST 0xC40 /* PHY management ID register */ +#define MD_ID_REG_OFST 0xC40 /* PHY management ID register */ + #define MD_PRT_ADR_LBN 11 + #define MD_PRT_ADR_WIDTH 5 + #define MD_DEV_ADR_LBN 6 + #define MD_DEV_ADR_WIDTH 5 +#define MD_STAT_REG_KER_OFST 0xC50 /* PHY management status & mask register */ +#define MD_STAT_REG_OFST 0xC50 /* PHY management status & mask register */ + #define MD_PINT_LBN 4 + #define MD_PINT_WIDTH 1 + #define MD_DONE_LBN 3 + #define MD_DONE_WIDTH 1 + #define MD_BSERR_LBN 2 + #define MD_BSERR_WIDTH 1 + #define MD_LNFL_LBN 1 + #define MD_LNFL_WIDTH 1 + #define MD_BSY_LBN 0 + #define MD_BSY_WIDTH 1 +#define MAC0_STAT_DMA_REG_KER_OFST 0xC60 /* Port 0 MAC statistical counter + DMA register */ +#define MAC0_STAT_DMA_REG_OFST 0xC60 /* Port 0 MAC statistical counter + DMA register */ + #define MAC0_STAT_DMA_CMD_LBN 48 + #define MAC0_STAT_DMA_CMD_WIDTH 1 + #define MAC0_STAT_DMA_ADR_LBN 0 + #define MAC0_STAT_DMA_ADR_WIDTH 48 +#define MAC1_STAT_DMA_REG_KER_OFST 0xC70 /* Port 1 MAC statistical counter + DMA register */ +#define MAC1_STAT_DMA_REG_OFST 0xC70 /* Port 1 MAC statistical counter + DMA register */ + #define MAC1_STAT_DMA_CMD_LBN 48 + #define MAC1_STAT_DMA_CMD_WIDTH 1 + #define MAC1_STAT_DMA_ADR_LBN 0 + #define MAC1_STAT_DMA_ADR_WIDTH 48 +#define MAC0_CTRL_REG_KER_OFST 0xC80 /* Port 0 MAC control register */ +#define MAC0_CTRL_REG_OFST 0xC80 /* Port 0 MAC control register */ + #define MAC0_XOFF_VAL_LBN 16 + #define MAC0_XOFF_VAL_WIDTH 16 + #define MAC0_BCAD_ACPT_LBN 4 + #define MAC0_BCAD_ACPT_WIDTH 1 + #define MAC0_UC_PROM_LBN 3 + #define MAC0_UC_PROM_WIDTH 1 + #define MAC0_LINK_STATUS_LBN 2 + #define MAC0_LINK_STATUS_WIDTH 1 + #define MAC0_SPEED_LBN 0 + #define MAC0_SPEED_WIDTH 2 +#define MAC1_CTRL_REG_KER_OFST 0xC90 /* Port 1 MAC control register */ +#define MAC1_CTRL_REG_OFST 0xC90 /* Port 1 MAC control register */ + #define MAC1_XOFF_VAL_LBN 16 + #define MAC1_XOFF_VAL_WIDTH 16 + #define MAC1_BCAD_ACPT_LBN 4 + #define MAC1_BCAD_ACPT_WIDTH 1 + #define MAC1_UC_PROM_LBN 3 + #define MAC1_UC_PROM_WIDTH 1 + #define MAC1_LINK_STATUS_LBN 2 + #define MAC1_LINK_STATUS_WIDTH 1 + #define MAC1_SPEED_LBN 0 + #define MAC1_SPEED_WIDTH 2 +#define MAC_MC_HASH_REG0_KER_OFST 0xCA0 /* Multicast address hash table */ +#define MAC_MC_HASH_REG0_OFST 0xCA0 /* Multicast address hash table */ + #define MAC_MCAST_HASH0_LBN 0 + #define MAC_MCAST_HASH0_WIDTH 128 +#define MAC_MC_HASH_REG1_KER_OFST 0xCB0 /* Multicast address hash table */ +#define MAC_MC_HASH_REG1_OFST 0xCB0 /* Multicast address hash table */ + #define MAC_MCAST_HASH1_LBN 0 + #define MAC_MCAST_HASH1_WIDTH 128 +/*************---- 1G MAC Port 0 Registers C Header ----*************/ +#define GM_P0_BASE 0xE00 +#define GM_P1_BASE 0x1000 +#define GM_CFG1_REG_KER_OFST 0x00 /* GMAC configuration register 1 */ +#define GM_CFG1_REG_OFST 0x00 /* GMAC configuration register 1 */ + #define GM_SW_RST_LBN 31 + #define GM_SW_RST_WIDTH 1 + #define GM_SIM_RST_LBN 30 + #define GM_SIM_RST_WIDTH 1 + #define GM_RST_RX_MAC_CTL_LBN 19 + #define GM_RST_RX_MAC_CTL_WIDTH 1 + #define GM_RST_TX_MAC_CTL_LBN 18 + #define GM_RST_TX_MAC_CTL_WIDTH 1 + #define GM_RST_RX_FUNC_LBN 17 + #define GM_RST_RX_FUNC_WIDTH 1 + #define GM_RST_TX_FUNC_LBN 16 + #define GM_RST_TX_FUNC_WIDTH 1 + #define GM_LOOP_LBN 8 + #define GM_LOOP_WIDTH 1 + #define GM_RX_FC_EN_LBN 5 + #define GM_RX_FC_EN_WIDTH 1 + #define GM_TX_FC_EN_LBN 4 + #define GM_TX_FC_EN_WIDTH 1 + #define GM_SYNC_RXEN_LBN 3 + #define GM_SYNC_RXEN_WIDTH 1 + #define GM_RX_EN_LBN 2 + #define GM_RX_EN_WIDTH 1 + #define GM_SYNC_TXEN_LBN 1 + #define GM_SYNC_TXEN_WIDTH 1 + #define GM_TX_EN_LBN 0 + #define GM_TX_EN_WIDTH 1 +#define GM_CFG2_REG_KER_OFST 0x10 /* GMAC configuration register 2 */ +#define GM_CFG2_REG_OFST 0x10 /* GMAC configuration register 2 */ + #define GM_PAMBL_LEN_LBN 12 + #define GM_PAMBL_LEN_WIDTH 4 + #define GM_IF_MODE_LBN 8 + #define GM_IF_MODE_WIDTH 2 + #define GM_HUGE_FRM_EN_LBN 5 + #define GM_HUGE_FRM_EN_WIDTH 1 + #define GM_LEN_CHK_LBN 4 + #define GM_LEN_CHK_WIDTH 1 + #define GM_PAD_CRC_EN_LBN 2 + #define GM_PAD_CRC_EN_WIDTH 1 + #define GM_CRC_EN_LBN 1 + #define GM_CRC_EN_WIDTH 1 + #define GM_FD_LBN 0 + #define GM_FD_WIDTH 1 +#define GM_IPG_REG_KER_OFST 0x20 /* GMAC IPG register */ +#define GM_IPG_REG_OFST 0x20 /* GMAC IPG register */ + #define GM_NONB2B_IPG1_LBN 24 + #define GM_NONB2B_IPG1_WIDTH 7 + #define GM_NONB2B_IPG2_LBN 16 + #define GM_NONB2B_IPG2_WIDTH 7 + #define GM_MIN_IPG_ENF_LBN 8 + #define GM_MIN_IPG_ENF_WIDTH 8 + #define GM_B2B_IPG_LBN 0 + #define GM_B2B_IPG_WIDTH 7 +#define GM_HD_REG_KER_OFST 0x30 /* GMAC half duplex register */ +#define GM_HD_REG_OFST 0x30 /* GMAC half duplex register */ + #define GM_ALT_BOFF_VAL_LBN 20 + #define GM_ALT_BOFF_VAL_WIDTH 4 + #define GM_ALT_BOFF_EN_LBN 19 + #define GM_ALT_BOFF_EN_WIDTH 1 + #define GM_BP_NO_BOFF_LBN 18 + #define GM_BP_NO_BOFF_WIDTH 1 + #define GM_DIS_BOFF_LBN 17 + #define GM_DIS_BOFF_WIDTH 1 + #define GM_EXDEF_TX_EN_LBN 16 + #define GM_EXDEF_TX_EN_WIDTH 1 + #define GM_RTRY_LIMIT_LBN 12 + #define GM_RTRY_LIMIT_WIDTH 4 + #define GM_COL_WIN_LBN 0 + #define GM_COL_WIN_WIDTH 10 +#define GM_MAX_FLEN_REG_KER_OFST 0x40 /* GMAC maximum frame length register */ +#define GM_MAX_FLEN_REG_OFST 0x40 /* GMAC maximum frame length register */ + #define GM_MAX_FLEN_LBN 0 + #define GM_MAX_FLEN_WIDTH 16 +#define GM_TEST_REG_KER_OFST 0x70 /* GMAC test register */ +#define GM_TEST_REG_OFST 0x70 /* GMAC test register */ + #define GM_MAX_BOFF_LBN 3 + #define GM_MAX_BOFF_WIDTH 1 + #define GM_REG_TX_FLOW_EN_LBN 2 + #define GM_REG_TX_FLOW_EN_WIDTH 1 + #define GM_TEST_PAUSE_LBN 1 + #define GM_TEST_PAUSE_WIDTH 1 + #define GM_SHORT_SLOT_LBN 0 + #define GM_SHORT_SLOT_WIDTH 1 +#define GM_ADR1_REG_KER_OFST 0x100 /* GMAC station address register 1 */ +#define GM_ADR1_REG_OFST 0x100 /* GMAC station address register 1 */ + #define GM_ADR1_LBN 0 + #define GM_ADR1_WIDTH 32 +#define GM_ADR2_REG_KER_OFST 0x110 /* GMAC station address register 2 */ +#define GM_ADR2_REG_OFST 0x110 /* GMAC station address register 2 */ + #define GM_ADR2_LBN 16 + #define GM_ADR2_WIDTH 16 +#define GMF_CFG0_REG_KER_OFST 0x120 /* GMAC FIFO configuration register 0 */ +#define GMF_CFG0_REG_OFST 0x120 /* GMAC FIFO configuration register 0 */ + #define GMF_FTFENRPLY_LBN 20 + #define GMF_FTFENRPLY_WIDTH 1 + #define GMF_STFENRPLY_LBN 19 + #define GMF_STFENRPLY_WIDTH 1 + #define GMF_FRFENRPLY_LBN 18 + #define GMF_FRFENRPLY_WIDTH 1 + #define GMF_SRFENRPLY_LBN 17 + #define GMF_SRFENRPLY_WIDTH 1 + #define GMF_WTMENRPLY_LBN 16 + #define GMF_WTMENRPLY_WIDTH 1 + #define GMF_FTFENREQ_LBN 12 + #define GMF_FTFENREQ_WIDTH 1 + #define GMF_STFENREQ_LBN 11 + #define GMF_STFENREQ_WIDTH 1 + #define GMF_FRFENREQ_LBN 10 + #define GMF_FRFENREQ_WIDTH 1 + #define GMF_SRFENREQ_LBN 9 + #define GMF_SRFENREQ_WIDTH 1 + #define GMF_WTMENREQ_LBN 8 + #define GMF_WTMENREQ_WIDTH 1 + #define GMF_HSTRSTFT_LBN 4 + #define GMF_HSTRSTFT_WIDTH 1 + #define GMF_HSTRSTST_LBN 3 + #define GMF_HSTRSTST_WIDTH 1 + #define GMF_HSTRSTFR_LBN 2 + #define GMF_HSTRSTFR_WIDTH 1 + #define GMF_HSTRSTSR_LBN 1 + #define GMF_HSTRSTSR_WIDTH 1 + #define GMF_HSTRSTWT_LBN 0 + #define GMF_HSTRSTWT_WIDTH 1 +#define GMF_CFG1_REG_KER_OFST 0x130 /* GMAC FIFO configuration register 1 */ +#define GMF_CFG1_REG_OFST 0x130 /* GMAC FIFO configuration register 1 */ + #define GMF_CFGFRTH_LBN 16 + #define GMF_CFGFRTH_WIDTH 5 + #define GMF_CFGXOFFRTX_LBN 0 + #define GMF_CFGXOFFRTX_WIDTH 16 +#define GMF_CFG2_REG_KER_OFST 0x140 /* GMAC FIFO configuration register 2 */ +#define GMF_CFG2_REG_OFST 0x140 /* GMAC FIFO configuration register 2 */ + #define GMF_CFGHWM_LBN 16 + #define GMF_CFGHWM_WIDTH 6 + #define GMF_CFGLWM_LBN 0 + #define GMF_CFGLWM_WIDTH 6 +#define GMF_CFG3_REG_KER_OFST 0x150 /* GMAC FIFO configuration register 3 */ +#define GMF_CFG3_REG_OFST 0x150 /* GMAC FIFO configuration register 3 */ + #define GMF_CFGHWMFT_LBN 16 + #define GMF_CFGHWMFT_WIDTH 6 + #define GMF_CFGFTTH_LBN 0 + #define GMF_CFGFTTH_WIDTH 6 +#define GMF_CFG4_REG_KER_OFST 0x160 /* GMAC FIFO configuration register 4 */ +#define GMF_CFG4_REG_OFST 0x160 /* GMAC FIFO configuration register 4 */ + #define GMF_HSTFLTRFRM_LBN 0 + #define GMF_HSTFLTRFRM_WIDTH 18 +#define GMF_CFG5_REG_KER_OFST 0x170 /* GMAC FIFO configuration register 5 */ +#define GMF_CFG5_REG_OFST 0x170 /* GMAC FIFO configuration register 5 */ + #define GMF_CFGHDPLX_LBN 22 + #define GMF_CFGHDPLX_WIDTH 1 + #define GMF_SRFULL_LBN 21 + #define GMF_SRFULL_WIDTH 1 + #define GMF_HSTSRFULLCLR_LBN 20 + #define GMF_HSTSRFULLCLR_WIDTH 1 + #define GMF_CFGBYTMODE_LBN 19 + #define GMF_CFGBYTMODE_WIDTH 1 + #define GMF_HSTDRPLT64_LBN 18 + #define GMF_HSTDRPLT64_WIDTH 1 + #define GMF_HSTFLTRFRMDC_LBN 0 + #define GMF_HSTFLTRFRMDC_WIDTH 18 +/*************---- 10G MAC Registers C Header ----*************/ +#define XM_ADR_LO_REG_KER_P0_OFST 0x1200 /* XGMAC address register low - + port 0 */ +#define XM_ADR_LO_REG_P0_OFST 0x1200 /* XGMAC address register low - + port 0 */ + #define XM_ADR_LO_LBN 0 + #define XM_ADR_LO_WIDTH 32 +#define XM_ADR_HI_REG_KER_P0_OFST 0x1210 /* XGMAC address register high - + port 0 */ +#define XM_ADR_HI_REG_P0_OFST 0x1210 /* XGMAC address register high - + port 0 */ + #define XM_ADR_HI_LBN 0 + #define XM_ADR_HI_WIDTH 16 +#define XM_GLB_CFG_REG_KER_P0_OFST 0x1220 /* XGMAC global configuration - + port 0 */ +#define XM_GLB_CFG_REG_P0_OFST 0x1220 /* XGMAC global configuration - + port 0 */ + #define XM_LINE_LB_DEEP_RSVD_LBN 28 + #define XM_LINE_LB_DEEP_RSVD_WIDTH 1 + #define XM_RMTFLT_GEN_LBN 17 + #define XM_RMTFLT_GEN_WIDTH 1 + #define XM_DEBUG_MODE_LBN 16 + #define XM_DEBUG_MODE_WIDTH 1 + #define XM_RX_STAT_EN_LBN 11 + #define XM_RX_STAT_EN_WIDTH 1 + #define XM_TX_STAT_EN_LBN 10 + #define XM_TX_STAT_EN_WIDTH 1 + #define XM_CUT_THRU_MODE_LBN 7 + #define XM_CUT_THRU_MODE_WIDTH 1 + #define XM_RX_JUMBO_MODE_LBN 6 + #define XM_RX_JUMBO_MODE_WIDTH 1 + #define XM_WAN_MODE_LBN 5 + #define XM_WAN_MODE_WIDTH 1 + #define XM_AUTOCLR_MODE_LBN 4 + #define XM_AUTOCLR_MODE_WIDTH 1 + #define XM_INTCLR_MODE_LBN 3 + #define XM_INTCLR_MODE_WIDTH 1 + #define XM_CORE_RST_LBN 0 + #define XM_CORE_RST_WIDTH 1 +#define XM_TX_CFG_REG_KER_P0_OFST 0x1230 /* XGMAC transmit configuration - + port 0 */ +#define XM_TX_CFG_REG_P0_OFST 0x1230 /* XGMAC transmit configuration - + port 0 */ + #define XM_TX_PROG_LBN 24 + #define XM_TX_PROG_WIDTH 1 + #define XM_IPG_LBN 16 + #define XM_IPG_WIDTH 4 + #define XM_FCNTL_LBN 10 + #define XM_FCNTL_WIDTH 1 + #define XM_TXCRC_LBN 8 + #define XM_TXCRC_WIDTH 1 + #define XM_EDRC_LBN 6 + #define XM_EDRC_WIDTH 1 + #define XM_AUTO_PAD_LBN 5 + #define XM_AUTO_PAD_WIDTH 1 + #define XM_TX_PRMBL_LBN 2 + #define XM_TX_PRMBL_WIDTH 1 + #define XM_TXEN_LBN 1 + #define XM_TXEN_WIDTH 1 + #define XM_TX_RST_LBN 0 + #define XM_TX_RST_WIDTH 1 +#define XM_RX_CFG_REG_KER_P0_OFST 0x1240 /* XGMAC receive configuration - + port 0 */ +#define XM_RX_CFG_REG_P0_OFST 0x1240 /* XGMAC receive configuration - + port 0 */ + #define XM_PASS_LENERR_LBN 26 + #define XM_PASS_LENERR_WIDTH 1 + #define XM_PASS_CRC_ERR_LBN 25 + #define XM_PASS_CRC_ERR_WIDTH 1 + #define XM_PASS_PRMBLE_ERR_LBN 24 + #define XM_PASS_PRMBLE_ERR_WIDTH 1 + #define XM_REJ_UCAST_LBN 18 + #define XM_REJ_UCAST_WIDTH 1 + #define XM_BSC_EN_LBN 17 + #define XM_BSC_EN_WIDTH 1 + #define XM_ACPT_ALL_MCAST_LBN 11 + #define XM_ACPT_ALL_MCAST_WIDTH 1 + #define XM_PASS_SAP_LBN 10 + #define XM_PASS_SAP_WIDTH 1 + #define XM_ACPT_ALL_UCAST_LBN 9 + #define XM_ACPT_ALL_UCAST_WIDTH 1 + #define XM_AUTO_DEPAD_LBN 8 + #define XM_AUTO_DEPAD_WIDTH 1 + #define XM_RXCRC_LBN 3 + #define XM_RXCRC_WIDTH 1 + #define XM_RX_PRMBL_LBN 2 + #define XM_RX_PRMBL_WIDTH 1 + #define XM_RXEN_LBN 1 + #define XM_RXEN_WIDTH 1 + #define XM_RX_RST_LBN 0 + #define XM_RX_RST_WIDTH 1 +#define XM_FC_REG_KER_P0_OFST 0x1270 /* XGMAC flow control register - + port 0 */ +#define XM_FC_REG_P0_OFST 0x1270 /* XGMAC flow control register - + port 0 */ + #define XM_PAUSE_TIME_LBN 16 + #define XM_PAUSE_TIME_WIDTH 16 + #define XM_RX_MAC_STAT_LBN 11 + #define XM_RX_MAC_STAT_WIDTH 1 + #define XM_TX_MAC_STAT_LBN 10 + #define XM_TX_MAC_STAT_WIDTH 1 + #define XM_MCNTL_PASS_LBN 8 + #define XM_MCNTL_PASS_WIDTH 2 + #define XM_REJ_CNTL_UCAST_LBN 6 + #define XM_REJ_CNTL_UCAST_WIDTH 1 + #define XM_REJ_CNTL_MCAST_LBN 5 + #define XM_REJ_CNTL_MCAST_WIDTH 1 + #define XM_AUTO_XMIT_ZPAUSE_LBN 4 + #define XM_AUTO_XMIT_ZPAUSE_WIDTH 1 + #define XM_AUTO_XMIT_PAUSE_LBN 3 + #define XM_AUTO_XMIT_PAUSE_WIDTH 1 + #define XM_ZPAUSE_LBN 2 + #define XM_ZPAUSE_WIDTH 1 + #define XM_XMIT_PAUSE_LBN 1 + #define XM_XMIT_PAUSE_WIDTH 1 + #define XM_DIS_FCNTL_LBN 0 + #define XM_DIS_FCNTL_WIDTH 1 +#define XM_PAUSE_TIME_REG_KER_P0_OFST 0x1290 /* XGMAC pause time register - + port 0 */ +#define XM_PAUSE_TIME_REG_P0_OFST 0x1290 /* XGMAC pause time register - + port 0 */ + #define XM_TX_PAUSE_CNT_LBN 16 + #define XM_TX_PAUSE_CNT_WIDTH 16 + #define XM_RX_PAUSE_CNT_LBN 0 + #define XM_RX_PAUSE_CNT_WIDTH 16 +#define XM_TX_PARAM_REG_KER_P0_OFST 0x12D0 /* XGMAC transmit parameter + register - port 0 */ +#define XM_TX_PARAM_REG_P0_OFST 0x12D0 /* XGMAC transmit parameter register - + port 0 */ + #define XM_TX_JUMBO_MODE_LBN 31 + #define XM_TX_JUMBO_MODE_WIDTH 1 + #define XM_MAX_TX_FRM_SIZE_LBN 16 + #define XM_MAX_TX_FRM_SIZE_WIDTH 14 + #define XM_PAD_CHAR_LBN 0 + #define XM_PAD_CHAR_WIDTH 8 +#define XM_RX_PARAM_REG_KER_P0_OFST 0x12E0 /* XGMAC receive parameter + register - port 0 */ +#define XM_RX_PARAM_REG_P0_OFST 0x12E0 /* XGMAC receive parameter register - + port 0 */ + #define XM_MAX_RX_FRM_SIZE_LBN 0 + #define XM_MAX_RX_FRM_SIZE_WIDTH 14 +#define XX_PWR_RST_REG_KER_P0_OFST 0x1300 /* XGXS/XAUI powerdown/reset + register */ +#define XX_PWR_RST_REG_P0_OFST 0x1300 /* XGXS/XAUI powerdown/reset register */ + #define XX_PWRDND_SIG_LBN 31 + #define XX_PWRDND_SIG_WIDTH 1 + #define XX_PWRDNC_SIG_LBN 30 + #define XX_PWRDNC_SIG_WIDTH 1 + #define XX_PWRDNB_SIG_LBN 29 + #define XX_PWRDNB_SIG_WIDTH 1 + #define XX_PWRDNA_SIG_LBN 28 + #define XX_PWRDNA_SIG_WIDTH 1 + #define XX_SIM_MODE_LBN 27 + #define XX_SIM_MODE_WIDTH 1 + #define XX_RSTPLLCD_SIG_LBN 25 + #define XX_RSTPLLCD_SIG_WIDTH 1 + #define XX_RSTPLLAB_SIG_LBN 24 + #define XX_RSTPLLAB_SIG_WIDTH 1 + #define XX_RESETD_SIG_LBN 23 + #define XX_RESETD_SIG_WIDTH 1 + #define XX_RESETC_SIG_LBN 22 + #define XX_RESETC_SIG_WIDTH 1 + #define XX_RESETB_SIG_LBN 21 + #define XX_RESETB_SIG_WIDTH 1 + #define XX_RESETA_SIG_LBN 20 + #define XX_RESETA_SIG_WIDTH 1 + #define XX_RSTXGXSTX_SIG_LBN 18 + #define XX_RSTXGXSTX_SIG_WIDTH 1 + #define XX_RSTXGXSRX_SIG_LBN 17 + #define XX_RSTXGXSRX_SIG_WIDTH 1 + #define XX_SD_RST_ACT_LBN 16 + #define XX_SD_RST_ACT_WIDTH 1 + #define XX_PWRDND_EN_LBN 15 + #define XX_PWRDND_EN_WIDTH 1 + #define XX_PWRDNC_EN_LBN 14 + #define XX_PWRDNC_EN_WIDTH 1 + #define XX_PWRDNB_EN_LBN 13 + #define XX_PWRDNB_EN_WIDTH 1 + #define XX_PWRDNA_EN_LBN 12 + #define XX_PWRDNA_EN_WIDTH 1 + #define XX_RSTPLLCD_EN_LBN 9 + #define XX_RSTPLLCD_EN_WIDTH 1 + #define XX_RSTPLLAB_EN_LBN 8 + #define XX_RSTPLLAB_EN_WIDTH 1 + #define XX_RESETD_EN_LBN 7 + #define XX_RESETD_EN_WIDTH 1 + #define XX_RESETC_EN_LBN 6 + #define XX_RESETC_EN_WIDTH 1 + #define XX_RESETB_EN_LBN 5 + #define XX_RESETB_EN_WIDTH 1 + #define XX_RESETA_EN_LBN 4 + #define XX_RESETA_EN_WIDTH 1 + #define XX_RSTXGXSTX_EN_LBN 2 + #define XX_RSTXGXSTX_EN_WIDTH 1 + #define XX_RSTXGXSRX_EN_LBN 1 + #define XX_RSTXGXSRX_EN_WIDTH 1 + #define XX_RST_XX_EN_LBN 0 + #define XX_RST_XX_EN_WIDTH 1 +#define XX_SD_CTL_REG_KER_P0_OFST 0x1310 /* XGXS/XAUI powerdown/reset control + register */ +#define XX_SD_CTL_REG_P0_OFST 0x1310 /* XGXS/XAUI powerdown/reset control + register */ + #define XX_TERMADJ1_LBN 17 + #define XX_TERMADJ1_WIDTH 1 + #define XX_TERMADJ0_LBN 16 + #define XX_TERMADJ0_WIDTH 1 + #define XX_HIDRVD_LBN 15 + #define XX_HIDRVD_WIDTH 1 + #define XX_LODRVD_LBN 14 + #define XX_LODRVD_WIDTH 1 + #define XX_HIDRVC_LBN 13 + #define XX_HIDRVC_WIDTH 1 + #define XX_LODRVC_LBN 12 + #define XX_LODRVC_WIDTH 1 + #define XX_HIDRVB_LBN 11 + #define XX_HIDRVB_WIDTH 1 + #define XX_LODRVB_LBN 10 + #define XX_LODRVB_WIDTH 1 + #define XX_HIDRVA_LBN 9 + #define XX_HIDRVA_WIDTH 1 + #define XX_LODRVA_LBN 8 + #define XX_LODRVA_WIDTH 1 + #define XX_LPBKD_LBN 3 + #define XX_LPBKD_WIDTH 1 + #define XX_LPBKC_LBN 2 + #define XX_LPBKC_WIDTH 1 + #define XX_LPBKB_LBN 1 + #define XX_LPBKB_WIDTH 1 + #define XX_LPBKA_LBN 0 + #define XX_LPBKA_WIDTH 1 +#define XX_TXDRV_CTL_REG_KER_P0_OFST 0x1320 /* XAUI SerDes transmit drive + control register */ +#define XX_TXDRV_CTL_REG_P0_OFST 0x1320 /* XAUI SerDes transmit drive + control register */ + #define XX_DEQD_LBN 28 + #define XX_DEQD_WIDTH 4 + #define XX_DEQC_LBN 24 + #define XX_DEQC_WIDTH 4 + #define XX_DEQB_LBN 20 + #define XX_DEQB_WIDTH 4 + #define XX_DEQA_LBN 16 + #define XX_DEQA_WIDTH 4 + #define XX_DTXD_LBN 12 + #define XX_DTXD_WIDTH 4 + #define XX_DTXC_LBN 8 + #define XX_DTXC_WIDTH 4 + #define XX_DTXB_LBN 4 + #define XX_DTXB_WIDTH 4 + #define XX_DTXA_LBN 0 + #define XX_DTXA_WIDTH 4 +#define XX_PRBS_CTL_REG_KER_P0_OFST 0x1330 /* XAUI PRBS control register */ +#define XX_PRBS_CTL_REG_P0_OFST 0x1330 /* XAUI PRBS control register */ + #define XX_CH3_RX_PRBS_SEL_LBN 30 + #define XX_CH3_RX_PRBS_SEL_WIDTH 2 + #define XX_CH3_RX_PRBS_INV_LBN 29 + #define XX_CH3_RX_PRBS_INV_WIDTH 1 + #define XX_CH3_RX_PRBS_CHKEN_LBN 28 + #define XX_CH3_RX_PRBS_CHKEN_WIDTH 1 + #define XX_CH2_RX_PRBS_SEL_LBN 26 + #define XX_CH2_RX_PRBS_SEL_WIDTH 2 + #define XX_CH2_RX_PRBS_INV_LBN 25 + #define XX_CH2_RX_PRBS_INV_WIDTH 1 + #define XX_CH2_RX_PRBS_CHKEN_LBN 24 + #define XX_CH2_RX_PRBS_CHKEN_WIDTH 1 + #define XX_CH1_RX_PRBS_SEL_LBN 22 + #define XX_CH1_RX_PRBS_SEL_WIDTH 2 + #define XX_CH1_RX_PRBS_INV_LBN 21 + #define XX_CH1_RX_PRBS_INV_WIDTH 1 + #define XX_CH1_RX_PRBS_CHKEN_LBN 20 + #define XX_CH1_RX_PRBS_CHKEN_WIDTH 1 + #define XX_CH0_RX_PRBS_SEL_LBN 18 + #define XX_CH0_RX_PRBS_SEL_WIDTH 2 + #define XX_CH0_RX_PRBS_INV_LBN 17 + #define XX_CH0_RX_PRBS_INV_WIDTH 1 + #define XX_CH0_RX_PRBS_CHKEN_LBN 16 + #define XX_CH0_RX_PRBS_CHKEN_WIDTH 1 + #define XX_CH3_TX_PRBS_SEL_LBN 14 + #define XX_CH3_TX_PRBS_SEL_WIDTH 2 + #define XX_CH3_TX_PRBS_INV_LBN 13 + #define XX_CH3_TX_PRBS_INV_WIDTH 1 + #define XX_CH3_TX_PRBS_CHKEN_LBN 12 + #define XX_CH3_TX_PRBS_CHKEN_WIDTH 1 + #define XX_CH2_TX_PRBS_SEL_LBN 10 + #define XX_CH2_TX_PRBS_SEL_WIDTH 2 + #define XX_CH2_TX_PRBS_INV_LBN 9 + #define XX_CH2_TX_PRBS_INV_WIDTH 1 + #define XX_CH2_TX_PRBS_CHKEN_LBN 8 + #define XX_CH2_TX_PRBS_CHKEN_WIDTH 1 + #define XX_CH1_TX_PRBS_SEL_LBN 6 + #define XX_CH1_TX_PRBS_SEL_WIDTH 2 + #define XX_CH1_TX_PRBS_INV_LBN 5 + #define XX_CH1_TX_PRBS_INV_WIDTH 1 + #define XX_CH1_TX_PRBS_CHKEN_LBN 4 + #define XX_CH1_TX_PRBS_CHKEN_WIDTH 1 + #define XX_CH0_TX_PRBS_SEL_LBN 2 + #define XX_CH0_TX_PRBS_SEL_WIDTH 2 + #define XX_CH0_TX_PRBS_INV_LBN 1 + #define XX_CH0_TX_PRBS_INV_WIDTH 1 + #define XX_CH0_TX_PRBS_CHKEN_LBN 0 + #define XX_CH0_TX_PRBS_CHKEN_WIDTH 1 +#define XX_PRBS_CHK_REG_KER_P0_OFST 0x1340 /* XAUI PRBS checker control + register */ +#define XX_PRBS_CHK_REG_P0_OFST 0x1340 /* XAUI PRBS checker control + register */ + #define XX_REV_LB_EN_LBN 16 + #define XX_REV_LB_EN_WIDTH 1 + #define XX_CH3_DEG_DET_LBN 15 + #define XX_CH3_DEG_DET_WIDTH 1 + #define XX_CH3_LFSR_LOCK_IND_LBN 14 + #define XX_CH3_LFSR_LOCK_IND_WIDTH 1 + #define XX_CH3_PRBS_FRUN_LBN 13 + #define XX_CH3_PRBS_FRUN_WIDTH 1 + #define XX_CH3_ERR_CHK_LBN 12 + #define XX_CH3_ERR_CHK_WIDTH 1 + #define XX_CH2_DEG_DET_LBN 11 + #define XX_CH2_DEG_DET_WIDTH 1 + #define XX_CH2_LFSR_LOCK_IND_LBN 10 + #define XX_CH2_LFSR_LOCK_IND_WIDTH 1 + #define XX_CH2_PRBS_FRUN_LBN 9 + #define XX_CH2_PRBS_FRUN_WIDTH 1 + #define XX_CH2_ERR_CHK_LBN 8 + #define XX_CH2_ERR_CHK_WIDTH 1 + #define XX_CH1_DEG_DET_LBN 7 + #define XX_CH1_DEG_DET_WIDTH 1 + #define XX_CH1_LFSR_LOCK_IND_LBN 6 + #define XX_CH1_LFSR_LOCK_IND_WIDTH 1 + #define XX_CH1_PRBS_FRUN_LBN 5 + #define XX_CH1_PRBS_FRUN_WIDTH 1 + #define XX_CH1_ERR_CHK_LBN 4 + #define XX_CH1_ERR_CHK_WIDTH 1 + #define XX_CH0_DEG_DET_LBN 3 + #define XX_CH0_DEG_DET_WIDTH 1 + #define XX_CH0_LFSR_LOCK_IND_LBN 2 + #define XX_CH0_LFSR_LOCK_IND_WIDTH 1 + #define XX_CH0_PRBS_FRUN_LBN 1 + #define XX_CH0_PRBS_FRUN_WIDTH 1 + #define XX_CH0_ERR_CHK_LBN 0 + #define XX_CH0_ERR_CHK_WIDTH 1 +#define XX_PRBS_ERR_REG_KER_P0_OFST 0x1350 /* XAUI PRBS checker error + count register */ +#define XX_PRBS_ERR_REG_P0_OFST 0x1350 /* XAUI PRBS checker error count + register */ + #define XX_CH3_PRBS_ERR_CNT_LBN 24 + #define XX_CH3_PRBS_ERR_CNT_WIDTH 8 + #define XX_CH2_PRBS_ERR_CNT_LBN 16 + #define XX_CH2_PRBS_ERR_CNT_WIDTH 8 + #define XX_CH1_PRBS_ERR_CNT_LBN 8 + #define XX_CH1_PRBS_ERR_CNT_WIDTH 8 + #define XX_CH0_PRBS_ERR_CNT_LBN 0 + #define XX_CH0_PRBS_ERR_CNT_WIDTH 8 +#define XX_CORE_STAT_REG_KER_P0_OFST 0x1360 /* XAUI XGXS core status + register */ +#define XX_CORE_STAT_REG_P0_OFST 0x1360 /* XAUI XGXS core status register */ + #define XX_FORCE_SIG3_LBN 31 + #define XX_FORCE_SIG3_WIDTH 1 + #define XX_FORCE_SIG3_VAL_LBN 30 + #define XX_FORCE_SIG3_VAL_WIDTH 1 + #define XX_FORCE_SIG2_LBN 29 + #define XX_FORCE_SIG2_WIDTH 1 + #define XX_FORCE_SIG2_VAL_LBN 28 + #define XX_FORCE_SIG2_VAL_WIDTH 1 + #define XX_FORCE_SIG1_LBN 27 + #define XX_FORCE_SIG1_WIDTH 1 + #define XX_FORCE_SIG1_VAL_LBN 26 + #define XX_FORCE_SIG1_VAL_WIDTH 1 + #define XX_FORCE_SIG0_LBN 25 + #define XX_FORCE_SIG0_WIDTH 1 + #define XX_FORCE_SIG0_VAL_LBN 24 + #define XX_FORCE_SIG0_VAL_WIDTH 1 + #define XX_XGXS_LB_EN_LBN 23 + #define XX_XGXS_LB_EN_WIDTH 1 + #define XX_XGMII_LB_EN_LBN 22 + #define XX_XGMII_LB_EN_WIDTH 1 + #define XX_MATCH_FAULT_LBN 21 + #define XX_MATCH_FAULT_WIDTH 1 + #define XX_ALIGN_DONE_LBN 20 + #define XX_ALIGN_DONE_WIDTH 1 + #define XX_SYNC_STAT3_LBN 19 + #define XX_SYNC_STAT3_WIDTH 1 + #define XX_SYNC_STAT2_LBN 18 + #define XX_SYNC_STAT2_WIDTH 1 + #define XX_SYNC_STAT1_LBN 17 + #define XX_SYNC_STAT1_WIDTH 1 + #define XX_SYNC_STAT0_LBN 16 + #define XX_SYNC_STAT0_WIDTH 1 + #define XX_COMMA_DET_CH3_LBN 15 + #define XX_COMMA_DET_CH3_WIDTH 1 + #define XX_COMMA_DET_CH2_LBN 14 + #define XX_COMMA_DET_CH2_WIDTH 1 + #define XX_COMMA_DET_CH1_LBN 13 + #define XX_COMMA_DET_CH1_WIDTH 1 + #define XX_COMMA_DET_CH0_LBN 12 + #define XX_COMMA_DET_CH0_WIDTH 1 + #define XX_CGRP_ALIGN_CH3_LBN 11 + #define XX_CGRP_ALIGN_CH3_WIDTH 1 + #define XX_CGRP_ALIGN_CH2_LBN 10 + #define XX_CGRP_ALIGN_CH2_WIDTH 1 + #define XX_CGRP_ALIGN_CH1_LBN 9 + #define XX_CGRP_ALIGN_CH1_WIDTH 1 + #define XX_CGRP_ALIGN_CH0_LBN 8 + #define XX_CGRP_ALIGN_CH0_WIDTH 1 + #define XX_CHAR_ERR_CH3_LBN 7 + #define XX_CHAR_ERR_CH3_WIDTH 1 + #define XX_CHAR_ERR_CH2_LBN 6 + #define XX_CHAR_ERR_CH2_WIDTH 1 + #define XX_CHAR_ERR_CH1_LBN 5 + #define XX_CHAR_ERR_CH1_WIDTH 1 + #define XX_CHAR_ERR_CH0_LBN 4 + #define XX_CHAR_ERR_CH0_WIDTH 1 + #define XX_DISPERR_CH3_LBN 3 + #define XX_DISPERR_CH3_WIDTH 1 + #define XX_DISPERR_CH2_LBN 2 + #define XX_DISPERR_CH2_WIDTH 1 + #define XX_DISPERR_CH1_LBN 1 + #define XX_DISPERR_CH1_WIDTH 1 + #define XX_DISPERR_CH0_LBN 0 + #define XX_DISPERR_CH0_WIDTH 1 diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_xgrmon.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/falcon/falcon_xgrmon.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,125 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides EtherFabric NIC - EFXXXX (aka Falcon) 10G MAC + * statistics register definitions. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +/*************---- 10G MAC Statistical Counters C Header ----*************/ +#define XgRxOctets_offset 0x0 + #define XgRxOctets_WIDTH 48 +#define XgRxOctetsOK_offset 0x8 + #define XgRxOctetsOK_WIDTH 48 +#define XgRxPkts_offset 0x10 + #define XgRxPkts_WIDTH 32 +#define XgRxPktsOK_offset 0x14 + #define XgRxPktsOK_WIDTH 32 +#define XgRxBroadcastPkts_offset 0x18 + #define XgRxBroadcastPkts_WIDTH 32 +#define XgRxMulticastPkts_offset 0x1C + #define XgRxMulticastPkts_WIDTH 32 +#define XgRxUnicastPkts_offset 0x20 + #define XgRxUnicastPkts_WIDTH 32 +#define XgRxUndersizePkts_offset 0x24 + #define XgRxUndersizePkts_WIDTH 32 +#define XgRxOversizePkts_offset 0x28 + #define XgRxOversizePkts_WIDTH 32 +#define XgRxJabberPkts_offset 0x2C + #define XgRxJabberPkts_WIDTH 32 +#define XgRxUndersizeFCSerrorPkts_offset 0x30 + #define XgRxUndersizeFCSerrorPkts_WIDTH 32 +#define XgRxDropEvents_offset 0x34 + #define XgRxDropEvents_WIDTH 32 +#define XgRxFCSerrorPkts_offset 0x38 + #define XgRxFCSerrorPkts_WIDTH 32 +#define XgRxAlignError_offset 0x3C + #define XgRxAlignError_WIDTH 32 +#define XgRxSymbolError_offset 0x40 + #define XgRxSymbolError_WIDTH 32 +#define XgRxInternalMACError_offset 0x44 + #define XgRxInternalMACError_WIDTH 32 +#define XgRxControlPkts_offset 0x48 + #define XgRxControlPkts_WIDTH 32 +#define XgRxPausePkts_offset 0x4C + #define XgRxPausePkts_WIDTH 32 +#define XgRxPkts64Octets_offset 0x50 + #define XgRxPkts64Octets_WIDTH 32 +#define XgRxPkts65to127Octets_offset 0x54 + #define XgRxPkts65to127Octets_WIDTH 32 +#define XgRxPkts128to255Octets_offset 0x58 + #define XgRxPkts128to255Octets_WIDTH 32 +#define XgRxPkts256to511Octets_offset 0x5C + #define XgRxPkts256to511Octets_WIDTH 32 +#define XgRxPkts512to1023Octets_offset 0x60 + #define XgRxPkts512to1023Octets_WIDTH 32 +#define XgRxPkts1024to15xxOctets_offset 0x64 + #define XgRxPkts1024to15xxOctets_WIDTH 32 +#define XgRxPkts15xxtoMaxOctets_offset 0x68 + #define XgRxPkts15xxtoMaxOctets_WIDTH 32 +#define XgRxLengthError_offset 0x6C + #define XgRxLengthError_WIDTH 32 +#define XgTxPkts_offset 0x80 + #define XgTxPkts_WIDTH 32 +#define XgTxOctets_offset 0x88 + #define XgTxOctets_WIDTH 48 +#define XgTxMulticastPkts_offset 0x90 + #define XgTxMulticastPkts_WIDTH 32 +#define XgTxBroadcastPkts_offset 0x94 + #define XgTxBroadcastPkts_WIDTH 32 +#define XgTxUnicastPkts_offset 0x98 + #define XgTxUnicastPkts_WIDTH 32 +#define XgTxControlPkts_offset 0x9C + #define XgTxControlPkts_WIDTH 32 +#define XgTxPausePkts_offset 0xA0 + #define XgTxPausePkts_WIDTH 32 +#define XgTxPkts64Octets_offset 0xA4 + #define XgTxPkts64Octets_WIDTH 32 +#define XgTxPkts65to127Octets_offset 0xA8 + #define XgTxPkts65to127Octets_WIDTH 32 +#define XgTxPkts128to255Octets_offset 0xAC + #define XgTxPkts128to255Octets_WIDTH 32 +#define XgTxPkts256to511Octets_offset 0xB0 + #define XgTxPkts256to511Octets_WIDTH 32 +#define XgTxPkts512to1023Octets_offset 0xB4 + #define XgTxPkts512to1023Octets_WIDTH 32 +#define XgTxPkts1024to15xxOctets_offset 0xB8 + #define XgTxPkts1024to15xxOctets_WIDTH 32 +#define XgTxPkts1519toMaxOctets_offset 0xBC + #define XgTxPkts1519toMaxOctets_WIDTH 32 +#define XgTxUndersizePkts_offset 0xC0 + #define XgTxUndersizePkts_WIDTH 32 +#define XgTxOversizePkts_offset 0xC4 + #define XgTxOversizePkts_WIDTH 32 +#define xGTxNonTcpUdpPkt_offset 0xC8 + #define xGTxNonTcpUdpPkt_WIDTH 16 +#define xGTxMacSrcErrPkt_offset 0xCC + #define xGTxMacSrcErrPkt_WIDTH 16 +#define xGTxIpSrcErrPkt_offset 0xD0 + #define xGTxIpSrcErrPkt_WIDTH 16 +#define XgDmaDone_offset 0xD4 + #define XgDmaDone_WIDTH 32 diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/workarounds.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/driver/efab/hardware/workarounds.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,75 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides workaround settings for EtherFabric NICs. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_DRIVER_EFAB_WORKAROUNDS_H__ +#define __CI_DRIVER_EFAB_WORKAROUNDS_H__ + +/*---------------------------------------------------------------------------- + * + * Hardware workarounds which have global scope + * + *---------------------------------------------------------------------------*/ + +#if defined(__CI_HARDWARE_CONFIG_FALCON__) + +#if defined(__CI_HARDWARE_CONFIG_FALCON_B0__) +/*------------------------------- B0 ---------------------------------------*/ + +#define BUG2175_WORKAROUND 0 /* TX event batching for dual port operation. + This removes the effect (dup TX events) + of the fix + (TX event per packet + batch events) */ +#define BUG5302_WORKAROUND 0 /* unstick TX DMAQ after out-of-range wr ptr */ +#define BUG5475_WORKAROUND 1 /* 10G SNAP encapsulation broken */ +#define BUG5762_WORKAROUND 0 /* Set all queues to jumbo mode */ +#define BUG5391_WORKAROUND 0 /* Misaligned TX can't span 512-byte boundary */ +#define BUG7916_WORKAROUND 0 /* RX flush gets lost */ + +#else +/*------------------------------- A0/A1 ------------------------------------*/ + +#define BUG2175_WORKAROUND 1 /* TX event batching for dual port operation. + This removes the effect (dup TX events) + of the fix + (TX event per packet + batch events) */ +#define BUG5302_WORKAROUND 1 /* unstick TX DMAQ after out-of-range wr ptr */ +#define BUG5475_WORKAROUND 1 /* 10G SNAP encapsulation broken */ +#define BUG5762_WORKAROUND 1 /* Set all queues to jumbo mode */ +#define BUG5391_WORKAROUND 1 /* Misaligned TX can't span 512-byte boundary */ +#define BUG7916_WORKAROUND 1 /* RX flush gets lost */ + +#endif /* B0/A01 */ + +#else +# error Need hw support. +#endif + +#endif /* __CI_DRIVER_EFAB_WORKAROUNDS_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/driver/resource/efx_vi.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/driver/resource/efx_vi.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,276 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains public EFX VI API to Solarflare resource manager. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_DRIVER_RESOURCE_EFX_VI_H__ +#define __CI_DRIVER_RESOURCE_EFX_VI_H__ + +/* Default size of event queue in the efx_vi resource. Copied from + * CI_CFG_NETIF_EVENTQ_SIZE */ +#define EFX_VI_EVENTQ_SIZE_DEFAULT 1024 + +extern int efx_vi_eventq_size; + +/************************************************************************** + * efx_vi_state types, allocation and free + **************************************************************************/ + +/*! Handle for refering to a efx_vi */ +struct efx_vi_state; + +/*! + * Allocate an efx_vi, including event queue and pt_endpoint + * + * \param vih_out Pointer to a handle that is set on success + * \param nic_index Index of NIC to apply this resource to + * \return Zero on success (and vih_out set), non-zero on failure. + */ +extern int +efx_vi_alloc(struct efx_vi_state **vih_out, int nic_index); + +/*! + * Free a previously allocated efx_vi + * + * \param vih The handle of the efx_vi to free + */ +extern void +efx_vi_free(struct efx_vi_state *vih); + +/*! + * Reset a previously allocated efx_vi + * + * \param vih The handle of the efx_vi to reset + */ +extern void +efx_vi_reset(struct efx_vi_state *vih); + +/************************************************************************** + * efx_vi_eventq types and functions + **************************************************************************/ + +/*! + * Register a function to receive callbacks when event queue timeouts + * or wakeups occur. Only one function per efx_vi can be registered + * at once. + * + * \param vih The handle to identify the efx_vi + * \param callback The function to callback + * \param context An argument to pass to the callback function + * \return Zero on success, non-zero on failure. + */ +extern int +efx_vi_eventq_register_callback(struct efx_vi_state *vih, + void (*callback)(void *context, int is_timeout), + void *context); + +/*! + * Remove the current eventq timeout or wakeup callback function + * + * \param vih The handle to identify the efx_vi + * \return Zero on success, non-zero on failure + */ +extern int +efx_vi_eventq_kill_callback(struct efx_vi_state *vih); + +/************************************************************************** + * efx_vi_dma_map types and functions + **************************************************************************/ + +/*! + * Handle for refering to a efx_vi + */ +struct efx_vi_dma_map_state; + +/*! + * Map a list of buffer pages so they are registered with the hardware + * + * \param vih The handle to identify the efx_vi + * \param addrs An array of page pointers to map + * \param n_addrs Length of the page pointer array. Must be a power of two. + * \param dmh_out Set on success to a handle used to refer to this mapping + * \return Zero on success, non-zero on failure. + */ +extern int +efx_vi_dma_map_pages(struct efx_vi_state *vih, struct page **pages, + int n_pages, struct efx_vi_dma_map_state **dmh_out); +extern int +efx_vi_dma_map_addrs(struct efx_vi_state *vih, + unsigned long long *dev_bus_addrs, int n_pages, + struct efx_vi_dma_map_state **dmh_out); + +/*! + * Unmap a previously mapped set of pages so they are no longer registered + * with the hardware. + * + * \param vih The handle to identify the efx_vi + * \param dmh The handle to identify the dma mapping + */ +extern void +efx_vi_dma_unmap_pages(struct efx_vi_state *vih, + struct efx_vi_dma_map_state *dmh); +extern void +efx_vi_dma_unmap_addrs(struct efx_vi_state *vih, + struct efx_vi_dma_map_state *dmh); + +/*! + * Retrieve the buffer address of the mapping + * + * \param vih The handle to identify the efx_vi + * \param dmh The handle to identify the buffer mapping + * \return The buffer address on success, or zero on failure + */ +extern unsigned +efx_vi_dma_get_map_addr(struct efx_vi_state *vih, + struct efx_vi_dma_map_state *dmh); + +/************************************************************************** + * efx_vi filter functions + **************************************************************************/ + +#define EFX_VI_STATIC_FILTERS 32 + +/*! Handle to refer to a filter instance */ +struct filter_resource_t; + +/*! + * Allocate and add a filter + * + * \param vih The handle to identify the efx_vi + * \param protocol The protocol of the new filter: UDP or TCP + * \param ip_addr_be32 The local ip address of the filter + * \param port_le16 The local port of the filter + * \param fh_out Set on success to be a handle to refer to this filter + * \return Zero on success, non-zero on failure. + */ +extern int +efx_vi_filter(struct efx_vi_state *vih, int protocol, unsigned ip_addr_be32, + int port_le16, struct filter_resource_t **fh_out); + +/*! + * Remove a filter and free resources associated with it + * + * \param vih The handle to identify the efx_vi + * \param fh The handle to identify the filter + * \return Zero on success, non-zero on failure + */ +extern int +efx_vi_filter_stop(struct efx_vi_state *vih, struct filter_resource_t *fh); + +/************************************************************************** + * efx_vi hw resources types and functions + **************************************************************************/ + +/*! Constants for the type field in efx_vi_hw_resource */ +#define EFX_VI_HW_RESOURCE_TXDMAQ 0x0 /* PFN of TX DMA Q */ +#define EFX_VI_HW_RESOURCE_RXDMAQ 0x1 /* PFN of RX DMA Q */ +#define EFX_VI_HW_RESOURCE_TXBELL 0x2 /* PFN of TX Doorbell (EF1) */ +#define EFX_VI_HW_RESOURCE_RXBELL 0x3 /* PFN of RX Doorbell (EF1) */ +#define EFX_VI_HW_RESOURCE_EVQTIMER 0x4 /* Address of event q timer */ + +/* Address of event q pointer (EF1) */ +#define EFX_VI_HW_RESOURCE_EVQPTR 0x5 +/* Address of register pointer (Falcon A) */ +#define EFX_VI_HW_RESOURCE_EVQRPTR 0x6 +/* Offset of register pointer (Falcon B) */ +#define EFX_VI_HW_RESOURCE_EVQRPTR_OFFSET 0x7 +/* Address of mem KVA */ +#define EFX_VI_HW_RESOURCE_EVQMEMKVA 0x8 +/* PFN of doorbell page (Falcon) */ +#define EFX_VI_HW_RESOURCE_BELLPAGE 0x9 + +/*! How large an array to allocate for the get_() functions - smaller + than the total number of constants as some are mutually exclusive */ +#define EFX_VI_HW_RESOURCE_MAXSIZE 0x7 + +/*! Constants for the mem_type field in efx_vi_hw_resource */ +#define EFX_VI_HW_RESOURCE_IOBUFFER 0 /* Host memory */ +#define EFX_VI_HW_RESOURCE_PERIPHERAL 1 /* Card memory/registers */ + +/*! + * Data structure providing information on a hardware resource mapping + */ +struct efx_vi_hw_resource { + u8 type; /*!< What this resource represents */ + u8 mem_type; /*!< What type of memory is it in, eg, + * host or iomem */ + u8 more_to_follow; /*!< Is this part of a multi-region resource */ + u32 length; /*!< Length of the resource in bytes */ + unsigned long address; /*!< Address of this resource */ +}; + +/*! + * Metadata concerning the list of hardware resource mappings + */ +struct efx_vi_hw_resource_metadata { + int version; + int evq_order; + int evq_offs; + int evq_capacity; + int instance; + unsigned rx_capacity; + unsigned tx_capacity; + int nic_arch; + int nic_revision; + char nic_variant; +}; + +/*! + * Obtain a list of hardware resource mappings, using virtual addresses + * + * \param vih The handle to identify the efx_vi + * \param mdata Pointer to a structure to receive the metadata + * \param hw_res_array An array to receive the list of hardware resources + * \param length The length of hw_res_array. Updated on success to contain + * the number of entries in the supplied array that were used. + * \return Zero on success, non-zero on failure + */ +extern int +efx_vi_hw_resource_get_virt(struct efx_vi_state *vih, + struct efx_vi_hw_resource_metadata *mdata, + struct efx_vi_hw_resource *hw_res_array, + int *length); + +/*! + * Obtain a list of hardware resource mappings, using physical addresses + * + * \param vih The handle to identify the efx_vi + * \param mdata Pointer to a structure to receive the metadata + * \param hw_res_array An array to receive the list of hardware resources + * \param length The length of hw_res_array. Updated on success to contain + * the number of entries in the supplied array that were used. + * \return Zero on success, non-zero on failure + */ +extern int +efx_vi_hw_resource_get_phys(struct efx_vi_state *vih, + struct efx_vi_hw_resource_metadata *mdata, + struct efx_vi_hw_resource *hw_res_array, + int *length); + +#endif /* __CI_DRIVER_RESOURCE_EFX_VI_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/driver/resource/linux_efhw_nic.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/driver/resource/linux_efhw_nic.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,76 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains definition of the public type struct linux_efhw_nic. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_DRIVER_RESOURCE_LINUX_RESOURCE__ +#define __CI_DRIVER_RESOURCE_LINUX_RESOURCE__ + +#ifndef __linux__ +# error Silly +#endif +#ifndef __KERNEL__ +# error Silly +#endif + +#include <ci/efhw/efhw_types.h> +#include <linux/interrupt.h> + + +/************************************************************************ + * Per-nic structure in the resource driver * + ************************************************************************/ + +struct linux_efhw_nic { + struct efhw_nic nic; + + struct pci_dev *pci_dev; /*!< pci descriptor */ + struct tasklet_struct tasklet; /*!< for interrupt bottom half */ + + /* Physical addresses of the control aperture bar. */ + unsigned long ctr_ap_pci_addr; + + /*! Callbacks for driverlink, when needed. */ + struct efx_dl_callbacks *dl_callbacks; + + /*! Event handlers. */ + struct efhw_ev_handler *ev_handlers; + +}; + +#define linux_efhw_nic(efhw_nic) \ + container_of(efhw_nic, struct linux_efhw_nic, nic) + +#endif /* __CI_DRIVER_RESOURCE_LINUX_RESOURCE__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/checks.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/checks.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,118 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides helpers to turn bit shifts into dword shifts and + * check that the bit fields haven't overflown the dword etc. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_CHECK_H__ +#define __CI_EFHW_CHECK_H__ + +/*---------------------------------------------------------------------------- + * + * Helpers to turn bit shifts into dword shifts and check that the bit fields + * haven't overflown the dword etc. Aim is to preserve consistency with the + * autogenerated headers - once stable we could hard code. + * + *---------------------------------------------------------------------------*/ + +/* mask constructors */ +#define __FALCON_MASK(WIDTH, T) ((((T)1) << (WIDTH)) - 1) +#define __FALCON_MASK32(WIDTH) __FALCON_MASK((WIDTH), uint32_t) +#define __FALCON_MASK64(WIDTH) __FALCON_MASK((WIDTH), uint64_t) + +#define __FALCON_MASKFIELD32(LBN, WIDTH) \ + ((uint32_t)(__FALCON_MASK32(WIDTH) << (LBN))) + +/* constructors for fields which span the first and second dwords */ +#define __LW(LBN) (32 - LBN) +#define __LOW(v, LBN, WIDTH) \ + ((uint32_t)(((v) & __FALCON_MASK64(__LW((LBN)))) << (LBN))) +#define __HIGH(v, LBN, WIDTH) \ + ((uint32_t)(((v) >> __LW((LBN))) & \ + __FALCON_MASK64((WIDTH - __LW((LBN)))))) +/* constructors for fields within the second dword */ +#define __DW2(LBN) ((LBN) - 32) + +/* constructors for fields which span the second and third dwords */ +#define __LW2(LBN) (64 - LBN) +#define __LOW2(v, LBN, WIDTH) \ + ((uint32_t)(((v) & __FALCON_MASK64(__LW2((LBN)))) << ((LBN) - 32))) +#define __HIGH2(v, LBN, WIDTH) \ + ((uint32_t)(((v) >> __LW2((LBN))) & \ + __FALCON_MASK64((WIDTH - __LW2((LBN)))))) + +/* constructors for fields within the third dword */ +#define __DW3(LBN) ((LBN) - 64) + +/* constructors for fields which span the third and fourth dwords */ +#define __LW3(LBN) (96 - LBN) +#define __LOW3(v, LBN, WIDTH) \ + ((uint32_t)(((v) & __FALCON_MASK64(__LW3((LBN)))) << ((LBN) - 64))) +#define __HIGH3(v, LBN, WIDTH) \ + ((ci_unit32)(((v) >> __LW3((LBN))) & \ + __FALCON_MASK64((WIDTH - __LW3((LBN)))))) + +/* constructors for fields within the fourth dword */ +#define __DW4(LBN) ((LBN) - 96) + +/* checks that the autogenerated headers are consistent with our model */ +#define __WIDTHCHCK(a, b) EFHW_ASSERT((a) == (b)) +#define __RANGECHCK(v, WIDTH) \ + EFHW_ASSERT(((uint64_t)(v) & ~(__FALCON_MASK64((WIDTH)))) == 0) + +/* fields within the first dword */ +#define __DWCHCK(LBN, WIDTH) \ + EFHW_ASSERT(((LBN) >= 0) && (((LBN)+(WIDTH)) <= 32)) + +/* fields which span the first and second dwords */ +#define __LWCHK(LBN, WIDTH) EFHW_ASSERT(WIDTH >= __LW(LBN)) + +/* fields within the second dword */ +#define __DW2CHCK(LBN, WIDTH) \ + EFHW_ASSERT(((LBN) >= 32) && (((LBN)+(WIDTH)) <= 64)) + +/* fields which span the second and third dwords */ +#define __LW2CHK(LBN, WIDTH) EFHW_ASSERT(WIDTH >= __LW2(LBN)) + +/* fields within the third dword */ +#define __DW3CHCK(LBN, WIDTH) \ + EFHW_ASSERT(((LBN) >= 64) && (((LBN)+(WIDTH)) <= 96)) + +/* fields which span the third and fourth dwords */ +#define __LW3CHK(LBN, WIDTH) EFHW_ASSERT(WIDTH >= __LW3(LBN)) + +/* fields within the fourth dword */ +#define __DW4CHCK(LBN, WIDTH) \ + EFHW_ASSERT(((LBN) >= 96) && (((LBN)+(WIDTH)) <= 128)) + +/* fields in the first qword */ +#define __QWCHCK(LBN, WIDTH) \ + EFHW_ASSERT(((LBN) >= 0) && (((LBN)+(WIDTH)) <= 64)) + +#endif /* __CI_EFHW_CHECK_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/common.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/common.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,102 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides API of the efhw library which may be used both from + * the kernel and from the user-space code. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_COMMON_H__ +#define __CI_EFHW_COMMON_H__ + +#include <ci/efhw/common_sysdep.h> + +enum efhw_arch { + EFHW_ARCH_FALCON, + EFHW_ARCH_SIENA, +}; + +typedef uint32_t efhw_buffer_addr_t; +#define EFHW_BUFFER_ADDR_FMT "[ba:%"PRIx32"]" + +/*! Comment? */ +typedef union { + uint64_t u64; + struct { + uint32_t a; + uint32_t b; + } opaque; + struct { + uint32_t code; + uint32_t status; + } ev1002; +} efhw_event_t; + +/* Flags for TX/RX queues */ +#define EFHW_VI_JUMBO_EN 0x01 /*! scatter RX over multiple desc */ +#define EFHW_VI_ISCSI_RX_HDIG_EN 0x02 /*! iscsi rx header digest */ +#define EFHW_VI_ISCSI_TX_HDIG_EN 0x04 /*! iscsi tx header digest */ +#define EFHW_VI_ISCSI_RX_DDIG_EN 0x08 /*! iscsi rx data digest */ +#define EFHW_VI_ISCSI_TX_DDIG_EN 0x10 /*! iscsi tx data digest */ +#define EFHW_VI_TX_PHYS_ADDR_EN 0x20 /*! TX physical address mode */ +#define EFHW_VI_RX_PHYS_ADDR_EN 0x40 /*! RX physical address mode */ +#define EFHW_VI_RM_WITH_INTERRUPT 0x80 /*! VI with an interrupt */ +#define EFHW_VI_TX_IP_CSUM_DIS 0x100 /*! enable ip checksum generation */ +#define EFHW_VI_TX_TCPUDP_CSUM_DIS 0x200 /*! enable tcp/udp checksum + generation */ +#define EFHW_VI_TX_TCPUDP_ONLY 0x400 /*! drop non-tcp/udp packets */ + +/* Types of hardware filter */ +/* Each of these values implicitly selects scatter filters on B0 - or in + EFHW_IP_FILTER_TYPE_NOSCAT_B0_MASK if a non-scatter filter is required */ +#define EFHW_IP_FILTER_TYPE_UDP_WILDCARD (0) /* dest host only */ +#define EFHW_IP_FILTER_TYPE_UDP_FULL (1) /* dest host and port */ +#define EFHW_IP_FILTER_TYPE_TCP_WILDCARD (2) /* dest based filter */ +#define EFHW_IP_FILTER_TYPE_TCP_FULL (3) /* src filter */ +/* Same again, but with RSS (for B0 only) */ +#define EFHW_IP_FILTER_TYPE_UDP_WILDCARD_RSS_B0 (4) +#define EFHW_IP_FILTER_TYPE_UDP_FULL_RSS_B0 (5) +#define EFHW_IP_FILTER_TYPE_TCP_WILDCARD_RSS_B0 (6) +#define EFHW_IP_FILTER_TYPE_TCP_FULL_RSS_B0 (7) + +#define EFHW_IP_FILTER_TYPE_FULL_MASK (0x1) /* Mask for full / wildcard */ +#define EFHW_IP_FILTER_TYPE_TCP_MASK (0x2) /* Mask for TCP type */ +#define EFHW_IP_FILTER_TYPE_RSS_B0_MASK (0x4) /* Mask for B0 RSS enable */ +#define EFHW_IP_FILTER_TYPE_NOSCAT_B0_MASK (0x8) /* Mask for B0 SCATTER dsbl */ + +#define EFHW_IP_FILTER_TYPE_MASK (0xffff) /* Mask of types above */ + +#define EFHW_IP_FILTER_BROADCAST (0x10000) /* driverlink filter + support */ + +#endif /* __CI_EFHW_COMMON_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/common_sysdep.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/common_sysdep.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,67 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides version-independent Linux kernel API for + * userland-to-kernel interfaces. + * Only kernels >=2.6.9 are supported. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_COMMON_LINUX_H__ +#define __CI_EFHW_COMMON_LINUX_H__ + +#include <linux/types.h> +#include <linux/version.h> + +/* Dirty hack, but Linux kernel does not provide DMA_ADDR_T_FMT */ +#if BITS_PER_LONG == 64 || defined(CONFIG_HIGHMEM64G) +#define DMA_ADDR_T_FMT "%llx" +#else +#define DMA_ADDR_T_FMT "%x" +#endif + +/* Linux kernel also does not provide PRIx32... Sigh. */ +#define PRIx32 "x" +#define PRIx64 "llx" + + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) +enum { + false = 0, + true = 1 +}; + +typedef _Bool bool; +#endif /* LINUX_VERSION_CODE < 2.6.19 */ + +#endif /* __CI_EFHW_COMMON_LINUX_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/debug.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/debug.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,84 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides debug-related API for efhw library using Linux kernel + * primitives. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_DEBUG_LINUX_H__ +#define __CI_EFHW_DEBUG_LINUX_H__ + +#define EFHW_PRINTK_PREFIX "[sfc efhw] " + +#define EFHW_PRINTK(level, fmt, ...) \ + printk(level EFHW_PRINTK_PREFIX fmt "\n", __VA_ARGS__) + +/* Following macros should be used with non-zero format parameters + * due to __VA_ARGS__ limitations. Use "%s" with __FUNCTION__ if you can't + * find better parameters. */ +#define EFHW_ERR(fmt, ...) EFHW_PRINTK(KERN_ERR, fmt, __VA_ARGS__) +#define EFHW_WARN(fmt, ...) EFHW_PRINTK(KERN_WARNING, fmt, __VA_ARGS__) +#define EFHW_NOTICE(fmt, ...) EFHW_PRINTK(KERN_NOTICE, fmt, __VA_ARGS__) +#if 0 && !defined(NDEBUG) +#define EFHW_TRACE(fmt, ...) EFHW_PRINTK(KERN_DEBUG, fmt, __VA_ARGS__) +#else +#define EFHW_TRACE(fmt, ...) +#endif + +#ifndef NDEBUG +#define EFHW_ASSERT(cond) BUG_ON((cond) == 0) +#define EFHW_DO_DEBUG(expr) expr +#else +#define EFHW_ASSERT(cond) +#define EFHW_DO_DEBUG(expr) +#endif + +#define EFHW_TEST(expr) \ + do { \ + if (unlikely(!(expr))) \ + BUG(); \ + } while (0) + +/* Build time asserts. We paste the line number into the type name + * so that the macro can be used more than once per file even if the + * compiler objects to multiple identical typedefs. Collisions + * between use in different header files is still possible. */ +#ifndef EFHW_BUILD_ASSERT +#define __EFHW_BUILD_ASSERT_NAME(_x) __EFHW_BUILD_ASSERT_ILOATHECPP(_x) +#define __EFHW_BUILD_ASSERT_ILOATHECPP(_x) __EFHW_BUILD_ASSERT__ ##_x +#define EFHW_BUILD_ASSERT(e) \ + typedef char __EFHW_BUILD_ASSERT_NAME(__LINE__)[(e) ? 1 : -1] +#endif + +#endif /* __CI_EFHW_DEBUG_LINUX_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/efhw_config.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/efhw_config.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,43 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides some limits used in both kernel and userland code. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_EFAB_CONFIG_H__ +#define __CI_EFHW_EFAB_CONFIG_H__ + +#define EFHW_MAX_NR_DEVS 5 /* max number of efhw devices supported */ + +#endif /* __CI_EFHW_EFAB_CONFIG_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/efhw_types.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/efhw_types.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,342 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides struct efhw_nic and some related types. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_EFAB_TYPES_H__ +#define __CI_EFHW_EFAB_TYPES_H__ + +#include <ci/efhw/efhw_config.h> +#include <ci/efhw/hardware_sysdep.h> +#include <ci/efhw/iopage_types.h> +#include <ci/efhw/sysdep.h> + +/*-------------------------------------------------------------------- + * + * hardware limits used in the types + * + *--------------------------------------------------------------------*/ + +#define EFHW_KEVENTQ_MAX 8 + +/*-------------------------------------------------------------------- + * + * forward type declarations + * + *--------------------------------------------------------------------*/ + +struct efhw_nic; + +/*-------------------------------------------------------------------- + * + * Managed interface + * + *--------------------------------------------------------------------*/ + +struct efhw_buffer_table_allocation{ + unsigned base; + unsigned order; +}; + +struct eventq_resource_hardware { + /*!iobuffer allocated for eventq - can be larger than eventq */ + efhw_iopages_t iobuff; + unsigned iobuff_off; + struct efhw_buffer_table_allocation buf_tbl_alloc; + int capacity; /*!< capacity of event queue */ +}; + +/*-------------------------------------------------------------------- + * + * event queues and event driven callbacks + * + *--------------------------------------------------------------------*/ + +struct efhw_keventq { + volatile int lock; + caddr_t evq_base; + int32_t evq_ptr; + uint32_t evq_mask; + unsigned instance; + struct eventq_resource_hardware hw; + struct efhw_ev_handler *ev_handlers; +}; + +/********************************************************************** + * Portable HW interface. *************************************** + **********************************************************************/ + +/*-------------------------------------------------------------------- + * + * EtherFabric Functional units - configuration and control + * + *--------------------------------------------------------------------*/ + +struct efhw_func_ops { + + /*-------------- Initialisation ------------ */ + + /*! close down all hardware functional units - leaves NIC in a safe + state for driver unload */ + void (*close_hardware) (struct efhw_nic *nic); + + /*! initialise all hardware functional units */ + int (*init_hardware) (struct efhw_nic *nic, + struct efhw_ev_handler *, + const uint8_t *mac_addr); + + /*-------------- Interrupt support ------------ */ + + /*! Main interrupt routine + ** This function returns, + ** - zero, if the IRQ was not generated by EF1 + ** - non-zero, if EF1 was the source of the IRQ + ** + ** + ** opaque is an OS provided pointer for use by the OS callbacks + ** e.g in Windows used to indicate DPC scheduled + */ + int (*interrupt) (struct efhw_nic *nic); + + /*! Enable given interrupt mask for the given IRQ unit */ + void (*interrupt_enable) (struct efhw_nic *nic, uint idx); + + /*! Disable given interrupt mask for the given IRQ unit */ + void (*interrupt_disable) (struct efhw_nic *nic, uint idx); + + /*! Set interrupt moderation strategy for the given IRQ unit + ** val is in usec + */ + void (*set_interrupt_moderation)(struct efhw_nic *nic, + uint idx, uint val); + + /*-------------- Event support ------------ */ + + /*! Enable the given event queue + depending on the underlying implementation (EF1 or Falcon) then + either a q_base_addr in host memory, or a buffer base id should + be proivded + */ + void (*event_queue_enable) (struct efhw_nic *nic, + uint evq, /* evnt queue index */ + uint evq_size, /* units of #entries */ + dma_addr_t q_base_addr, uint buf_base_id); + + /*! Disable the given event queue (and any associated timer) */ + void (*event_queue_disable) (struct efhw_nic *nic, uint evq, + int timer_only); + + /*! request wakeup from the NIC on a given event Q */ + void (*wakeup_request) (struct efhw_nic *nic, dma_addr_t q_base_addr, + int next_i, int evq); + + /*! Push a SW event on a given eventQ */ + void (*sw_event) (struct efhw_nic *nic, int data, int evq); + + /*-------------- Filter support ------------ */ + + /*! Setup a given filter - The software can request a filter_i, + * but some EtherFabric implementations will override with + * a more suitable index + */ + int (*ipfilter_set) (struct efhw_nic *nic, int type, + int *filter_i, int dmaq, + unsigned saddr_be32, unsigned sport_be16, + unsigned daddr_be32, unsigned dport_be16); + + /*! Attach a given filter to a DMAQ */ + void (*ipfilter_attach) (struct efhw_nic *nic, int filter_idx, + int dmaq_idx); + + /*! Detach a filter from its DMAQ */ + void (*ipfilter_detach) (struct efhw_nic *nic, int filter_idx); + + /*! Clear down a given filter */ + void (*ipfilter_clear) (struct efhw_nic *nic, int filter_idx); + + /*-------------- DMA support ------------ */ + + /*! Initialise NIC state for a given TX DMAQ */ + void (*dmaq_tx_q_init) (struct efhw_nic *nic, + uint dmaq, uint evq, uint owner, uint tag, + uint dmaq_size, uint buf_idx, uint flags); + + /*! Initialise NIC state for a given RX DMAQ */ + void (*dmaq_rx_q_init) (struct efhw_nic *nic, + uint dmaq, uint evq, uint owner, uint tag, + uint dmaq_size, uint buf_idx, uint flags); + + /*! Disable a given TX DMAQ */ + void (*dmaq_tx_q_disable) (struct efhw_nic *nic, uint dmaq); + + /*! Disable a given RX DMAQ */ + void (*dmaq_rx_q_disable) (struct efhw_nic *nic, uint dmaq); + + /*! Flush a given TX DMA channel */ + int (*flush_tx_dma_channel) (struct efhw_nic *nic, uint dmaq); + + /*! Flush a given RX DMA channel */ + int (*flush_rx_dma_channel) (struct efhw_nic *nic, uint dmaq); + + /*-------------- Buffer table Support ------------ */ + + /*! Initialise a buffer table page */ + void (*buffer_table_set) (struct efhw_nic *nic, + dma_addr_t dma_addr, + uint bufsz, uint region, + int own_id, int buffer_id); + + /*! Initialise a block of buffer table pages */ + void (*buffer_table_set_n) (struct efhw_nic *nic, int buffer_id, + dma_addr_t dma_addr, + uint bufsz, uint region, + int n_pages, int own_id); + + /*! Clear a block of buffer table pages */ + void (*buffer_table_clear) (struct efhw_nic *nic, int buffer_id, + int num); + + /*! Commit a buffer table update */ + void (*buffer_table_commit) (struct efhw_nic *nic); + +}; + + +/*---------------------------------------------------------------------------- + * + * NIC type + * + *---------------------------------------------------------------------------*/ + +struct efhw_device_type { + int arch; /* enum efhw_arch */ + char variant; /* 'A', 'B', ... */ + int revision; /* 0, 1, ... */ +}; + + +/*---------------------------------------------------------------------------- + * + * EtherFabric NIC instance - nic.c for HW independent functions + * + *---------------------------------------------------------------------------*/ + +/*! */ +struct efhw_nic { + /*! zero base index in efrm_nic_table.nic array */ + volatile int index; + int ifindex; /*!< OS level nic index */ +#ifdef HAS_NET_NAMESPACE + struct net *nd_net; +#endif + + struct efhw_device_type devtype; + + /*! Options that can be set by user. */ + unsigned options; +# define NIC_OPT_EFTEST 0x1 /* owner is an eftest app */ + +# define NIC_OPT_DEFAULT 0 + + /*! Internal flags that indicate hardware properties at runtime. */ + unsigned flags; +# define NIC_FLAG_NO_INTERRUPT 0x01 /* to be set at init time only */ +# define NIC_FLAG_TRY_MSI 0x02 +# define NIC_FLAG_MSI 0x04 +# define NIC_FLAG_OS_IRQ_EN 0x08 +# define NIC_FLAG_10G 0x10 + + unsigned mtu; /*!< MAC MTU (includes MAC hdr) */ + + /* hardware resources */ + + /*! I/O address of the start of the bar */ + efhw_ioaddr_t bar_ioaddr; + + /*! Bar number of control aperture. */ + unsigned ctr_ap_bar; + /*! Length of control aperture in bytes. */ + unsigned ctr_ap_bytes; + + uint8_t mac_addr[ETH_ALEN]; /*!< mac address */ + + /*! EtherFabric Functional Units -- functions */ + const struct efhw_func_ops *efhw_func; + + /* Value read from FPGA version register. Zero for asic. */ + unsigned fpga_version; + + /*! This lock protects a number of misc NIC resources. It should + * only be used for things that can be at the bottom of the lock + * order. ie. You mustn't attempt to grab any other lock while + * holding this one. + */ + spinlock_t *reg_lock; + spinlock_t the_reg_lock; + + int buf_commit_outstanding; /*!< outstanding buffer commits */ + + /*! interrupt callbacks (hard-irq) */ + void (*irq_handler) (struct efhw_nic *, int unit); + + /*! event queues per driver */ + struct efhw_keventq evq[EFHW_KEVENTQ_MAX]; + +/* for marking when we are not using an IRQ unit + - 0 is a valid offset to an IRQ unit on EF1! */ +#define EFHW_IRQ_UNIT_UNUSED 0xffff + /*! interrupt unit in use */ + unsigned int irq_unit[EFHW_KEVENTQ_MAX]; + efhw_iopage_t irq_iobuff; /*!< Falcon SYSERR interrupt */ + + /* The new driverlink infrastructure. */ + struct efx_dl_device *net_driver_dev; + struct efx_dlfilt_cb_s *dlfilter_cb; + + /*! Bit masks of the sizes of event queues and dma queues supported + * by the nic. */ + unsigned evq_sizes; + unsigned rxq_sizes; + unsigned txq_sizes; + + /* Size of filter table (including odd and even banks). */ + unsigned filter_tbl_size; +}; + + +#define EFHW_KVA(nic) ((nic)->bar_ioaddr) + + +#endif /* __CI_EFHW_EFHW_TYPES_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/eventq.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/eventq.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,73 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains API provided by efhw/eventq.c file. This file is not + * designed for use outside of the SFC resource driver. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_EVENTQ_H__ +#define __CI_EFHW_EVENTQ_H__ + +#include <ci/efhw/efhw_types.h> +#include <ci/efhw/eventq_macros.h> + +/*! Poll the event queue. */ +extern int efhw_keventq_poll(struct efhw_nic *, struct efhw_keventq *); + +/*! Callbacks for handling events. */ +struct efhw_ev_handler { + void (*wakeup_fn)(struct efhw_nic *nic, efhw_event_t *ev); + void (*timeout_fn)(struct efhw_nic *nic, efhw_event_t *ev); + void (*sw_fn)(struct efhw_nic *nic, efhw_event_t *ev); + void (*dmaq_flushed_fn) (struct efhw_nic *, int, int); +}; + +extern int efhw_keventq_ctor(struct efhw_nic *, int instance, + struct efhw_keventq *, struct efhw_ev_handler *); +extern void efhw_keventq_dtor(struct efhw_nic *, struct efhw_keventq *); + +extern void efhw_handle_txdmaq_flushed(struct efhw_nic *, + struct efhw_ev_handler *, + efhw_event_t *); +extern void efhw_handle_rxdmaq_flushed(struct efhw_nic *, + struct efhw_ev_handler *, + efhw_event_t *); +extern void efhw_handle_wakeup_event(struct efhw_nic *, + struct efhw_ev_handler *, + efhw_event_t *); +extern void efhw_handle_timeout_event(struct efhw_nic *, + struct efhw_ev_handler *, + efhw_event_t *); + +#endif /* __CI_EFHW_EVENTQ_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/eventq_macros.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/eventq_macros.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,81 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides some event-related macros. This file is designed for + * use from kernel and from the userland contexts. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_EVENTQ_MACROS_H__ +#define __CI_EFHW_EVENTQ_MACROS_H__ + +#include <ci/efhw/common.h> + +/*-------------------------------------------------------------------- + * + * Event Queue manipulation + * + *--------------------------------------------------------------------*/ + +#define EFHW_EVENT_OFFSET(q, s, i) \ + (((s)->evq_ptr - (i) * (int32_t)sizeof(efhw_event_t)) \ + & (q)->evq_mask) + +#define EFHW_EVENT_PTR(q, s, i) \ + ((efhw_event_t *)((q)->evq_base + EFHW_EVENT_OFFSET(q, s, i))) + +#define EFHW_EVENTQ_NEXT(s) \ + do { ((s)->evq_ptr += sizeof(efhw_event_t)); } while (0) + +#define EFHW_EVENTQ_PREV(s) \ + do { ((s)->evq_ptr -= sizeof(efhw_event_t)); } while (0) + +/* Be worried about this on byteswapped machines */ +#if defined(__CI_HARDWARE_CONFIG_FALCON__) + /* Due to crazy chipsets, we see the event words being written in + ** arbitrary order (bug4539). So test for presence of event must ensure + ** that both halves have changed from the null. + */ + #define EFHW_IS_EVENT(evp) \ + (((evp)->opaque.a != (uint32_t)-1) && \ + ((evp)->opaque.b != (uint32_t)-1)) + #define EFHW_CLEAR_EVENT(evp) ((evp)->u64 = (uint64_t)-1) + #define EFHW_CLEAR_EVENT_VALUE 0xff +#else + #error Fixme - unknown hardware configuration +#endif + +#define EFHW_EVENT_OVERFLOW(evq, s) \ + (EFHW_IS_EVENT(EFHW_EVENT_PTR(evq, s, 1))) + +#endif /* __CI_EFHW_EVENTQ_MACROS_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/falcon.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/falcon.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,93 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains API provided by efhw/falcon.c file. This file is not + * designed for use outside of the SFC resource driver. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_FALCON_H__ +#define __CI_EFHW_FALCON_H__ + +#include <ci/efhw/efhw_types.h> +#include <ci/efhw/common.h> + +/*---------------------------------------------------------------------------- + * + * Locks - unfortunately required + * + *---------------------------------------------------------------------------*/ + +#define FALCON_LOCK_DECL irq_flags_t lock_state +#define FALCON_LOCK_LOCK(nic) \ + spin_lock_irqsave((nic)->reg_lock, lock_state) +#define FALCON_LOCK_UNLOCK(nic) \ + spin_unlock_irqrestore((nic)->reg_lock, lock_state) + +extern struct efhw_func_ops falcon_char_functional_units; + +/*! specify a pace value for a TX DMA Queue */ +extern void falcon_nic_pace(struct efhw_nic *nic, uint dmaq, uint pace); + +/*! confirm buffer table updates - should be used for items where + loss of data would be unacceptable. E.g for the buffers that back + an event or DMA queue */ +extern void falcon_nic_buffer_table_confirm(struct efhw_nic *nic); + +/*! Reset the all the TX DMA queue pointers. */ +extern void falcon_clobber_tx_dma_ptrs(struct efhw_nic *nic, uint dmaq); + +extern int +falcon_handle_char_event(struct efhw_nic *nic, + struct efhw_ev_handler *h, efhw_event_t *evp); + +/*! map event queue instance space (0,1,2,..) onto event queue + number. This function takes into account the allocation rules for + the underlying driver model */ +extern int falcon_idx_to_evq(struct efhw_nic *nic, uint idx); + +/*! Acknowledge to HW that processing is complete on a given event queue */ +extern void falcon_nic_evq_ack(struct efhw_nic *nic, uint evq, /* evq id */ + uint rptr, /* new read pointer update */ + bool wakeup /* request a wakeup event if + ptr's != */ + ); + +extern void +falcon_nic_buffer_table_set_n(struct efhw_nic *nic, int buffer_id, + dma_addr_t dma_addr, uint bufsz, uint region, + int n_pages, int own_id); + +extern void falcon_nic_ipfilter_ctor(struct efhw_nic *nic); + +#endif /* __CI_EFHW_FALCON_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/falcon_hash.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/falcon_hash.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,58 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains API provided by efhw/falcon_hash.c file. + * Function declared in this file are not exported from the Linux + * sfc_resource driver. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_FALCON_HASH_H__ +#define __CI_EFHW_FALCON_HASH_H__ + +/* All LE parameters */ +extern unsigned int +falcon_hash_get_key(unsigned int src_ip, unsigned int src_port, + unsigned int dest_ip, unsigned int dest_port, + int tcp, int full); + +unsigned int falcon_hash_function1(unsigned int key, unsigned int nfilters); + +extern unsigned int +falcon_hash_function2(unsigned int key, unsigned int nfitlers); + +extern unsigned int +falcon_hash_iterator(unsigned int hash1, unsigned int hash2, + unsigned int n_search, unsigned int nfilters); + +#endif /* __CI_EFHW_FALCON_HASH_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/hardware_sysdep.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/hardware_sysdep.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,84 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides version-independent Linux kernel API for header files + * with hardware-related definitions (in ci/driver/efab/hardware*). + * Only kernels >=2.6.9 are supported. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_HARDWARE_LINUX_H__ +#define __CI_EFHW_HARDWARE_LINUX_H__ + +#include <asm/io.h> + +#ifdef __LITTLE_ENDIAN +#define EFHW_IS_LITTLE_ENDIAN +#elif __BIG_ENDIAN +#define EFHW_IS_BIG_ENDIAN +#else +#error Unknown endianness +#endif + +#ifndef mmiowb + #if defined(__i386__) || defined(__x86_64__) + #define mmiowb() + #elif defined(__ia64__) + #ifndef ia64_mfa + #define ia64_mfa() asm volatile ("mf.a" ::: "memory") + #endif + #define mmiowb ia64_mfa + #else + #error "Need definition for mmiowb()" + #endif +#endif + +typedef char *efhw_ioaddr_t; + +#ifndef readq +static inline uint64_t __readq(void __iomem *addr) +{ + return *(volatile uint64_t *)addr; +} +#define readq(x) __readq(x) +#endif + +#ifndef writeq +static inline void __writeq(uint64_t v, void __iomem *addr) +{ + *(volatile uint64_t *)addr = v; +} +#define writeq(val, addr) __writeq((val), (addr)) +#endif + +#endif /* __CI_EFHW_HARDWARE_LINUX_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/iopage.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/iopage.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,58 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains OS-independent API for allocating iopage types. + * The implementation of these functions is highly OS-dependent. + * This file is not designed for use outside of the SFC resource driver. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_DRIVER_RESOURCE_IOPAGE_H__ +#define __CI_DRIVER_RESOURCE_IOPAGE_H__ + +#include <ci/efhw/efhw_types.h> + +/*-------------------------------------------------------------------- + * + * memory allocation + * + *--------------------------------------------------------------------*/ + +extern int efhw_iopage_alloc(struct efhw_nic *, efhw_iopage_t *p); +extern void efhw_iopage_free(struct efhw_nic *, efhw_iopage_t *p); + +extern int efhw_iopages_alloc(struct efhw_nic *, efhw_iopages_t *p, + unsigned order); +extern void efhw_iopages_free(struct efhw_nic *, efhw_iopages_t *p); + +#endif /* __CI_DRIVER_RESOURCE_IOPAGE_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/iopage_types.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/iopage_types.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,188 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides efhw_page_t and efhw_iopage_t for Linux kernel. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_IOPAGE_LINUX_H__ +#define __CI_EFHW_IOPAGE_LINUX_H__ + +#include <linux/gfp.h> +#include <linux/hardirq.h> +#include <ci/efhw/debug.h> + +/*-------------------------------------------------------------------- + * + * efhw_page_t: A single page of memory. Directly mapped in the driver, + * and can be mapped to userlevel. + * + *--------------------------------------------------------------------*/ + +typedef struct { + unsigned long kva; +} efhw_page_t; + +static inline int efhw_page_alloc(efhw_page_t *p) +{ + p->kva = __get_free_page(in_interrupt()? GFP_ATOMIC : GFP_KERNEL); + return p->kva ? 0 : -ENOMEM; +} + +static inline int efhw_page_alloc_zeroed(efhw_page_t *p) +{ + p->kva = get_zeroed_page(in_interrupt()? GFP_ATOMIC : GFP_KERNEL); + return p->kva ? 0 : -ENOMEM; +} + +static inline void efhw_page_free(efhw_page_t *p) +{ + free_page(p->kva); + EFHW_DO_DEBUG(memset(p, 0, sizeof(*p))); +} + +static inline char *efhw_page_ptr(efhw_page_t *p) +{ + return (char *)p->kva; +} + +static inline unsigned efhw_page_pfn(efhw_page_t *p) +{ + return (unsigned)(__pa(p->kva) >> PAGE_SHIFT); +} + +static inline void efhw_page_mark_invalid(efhw_page_t *p) +{ + p->kva = 0; +} + +static inline int efhw_page_is_valid(efhw_page_t *p) +{ + return p->kva != 0; +} + +static inline void efhw_page_init_from_va(efhw_page_t *p, void *va) +{ + p->kva = (unsigned long)va; +} + +/*-------------------------------------------------------------------- + * + * efhw_iopage_t: A single page of memory. Directly mapped in the driver, + * and can be mapped to userlevel. Can also be accessed by the NIC. + * + *--------------------------------------------------------------------*/ + +typedef struct { + efhw_page_t p; + dma_addr_t dma_addr; +} efhw_iopage_t; + +static inline dma_addr_t efhw_iopage_dma_addr(efhw_iopage_t *p) +{ + return p->dma_addr; +} + +#define efhw_iopage_ptr(iop) efhw_page_ptr(&(iop)->p) +#define efhw_iopage_pfn(iop) efhw_page_pfn(&(iop)->p) +#define efhw_iopage_mark_invalid(iop) efhw_page_mark_invalid(&(iop)->p) +#define efhw_iopage_is_valid(iop) efhw_page_is_valid(&(iop)->p) + +/*-------------------------------------------------------------------- + * + * efhw_iopages_t: A set of pages that are contiguous in physical memory. + * Directly mapped in the driver, and can be mapped to userlevel. Can also + * be accessed by the NIC. + * + * NB. The O/S may be unwilling to allocate many, or even any of these. So + * only use this type where the NIC really needs a physically contiguous + * buffer. + * + *--------------------------------------------------------------------*/ + +typedef struct { + caddr_t kva; + unsigned order; + dma_addr_t dma_addr; +} efhw_iopages_t; + +static inline caddr_t efhw_iopages_ptr(efhw_iopages_t *p) +{ + return p->kva; +} + +static inline unsigned efhw_iopages_pfn(efhw_iopages_t *p) +{ + return (unsigned)(__pa(p->kva) >> PAGE_SHIFT); +} + +static inline dma_addr_t efhw_iopages_dma_addr(efhw_iopages_t *p) +{ + return p->dma_addr; +} + +static inline unsigned efhw_iopages_size(efhw_iopages_t *p) +{ + return 1u << (p->order + PAGE_SHIFT); +} + +/* efhw_iopage_t <-> efhw_iopages_t conversions for handling physically + * contiguous allocations in iobufsets for iSCSI. This allows the + * essential information about contiguous allocations from + * efhw_iopages_alloc() to be saved away in the efhw_iopage_t array in an + * iobufset. (Changing the iobufset resource to use a union type would + * involve a lot of code changes, and make the iobufset's metadata larger + * which could be bad as it's supposed to fit into a single page on some + * platforms.) + */ +static inline void +efhw_iopage_init_from_iopages(efhw_iopage_t *iopage, + efhw_iopages_t *iopages, unsigned pageno) +{ + iopage->p.kva = ((unsigned long)efhw_iopages_ptr(iopages)) + + (pageno * PAGE_SIZE); + iopage->dma_addr = efhw_iopages_dma_addr(iopages) + + (pageno * PAGE_SIZE); +} + +static inline void +efhw_iopages_init_from_iopage(efhw_iopages_t *iopages, + efhw_iopage_t *iopage, unsigned order) +{ + iopages->kva = (caddr_t) efhw_iopage_ptr(iopage); + EFHW_ASSERT(iopages->kva); + iopages->order = order; + iopages->dma_addr = efhw_iopage_dma_addr(iopage); +} + +#endif /* __CI_EFHW_IOPAGE_LINUX_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/nic.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/nic.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,62 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains API provided by efhw/nic.c file. This file is not + * designed for use outside of the SFC resource driver. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_NIC_H__ +#define __CI_EFHW_NIC_H__ + +#include <ci/efhw/efhw_types.h> +#include <ci/efhw/public.h> + + +/* Convert PCI info to device type. Returns false when device is not + * recognised. + */ +extern int efhw_device_type_init(struct efhw_device_type *dt, + int vendor_id, int device_id, int revision); + +/* Initialise fields that do not involve touching hardware. */ +extern void efhw_nic_init(struct efhw_nic *nic, unsigned flags, + unsigned options, struct efhw_device_type dev_type); + +/*! Destruct NIC resources */ +extern void efhw_nic_dtor(struct efhw_nic *nic); + +/*! Shutdown interrupts */ +extern void efhw_nic_close_interrupts(struct efhw_nic *nic); + +#endif /* __CI_EFHW_NIC_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/public.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/public.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,83 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides public API of efhw library exported from the SFC + * resource driver. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_PUBLIC_H__ +#define __CI_EFHW_PUBLIC_H__ + +#include <ci/efhw/common.h> +#include <ci/efhw/efhw_types.h> + +/*! Returns true if we have some EtherFabric functional units - + whether configured or not */ +static inline int efhw_nic_have_functional_units(struct efhw_nic *nic) +{ + return nic->efhw_func != 0; +} + +/*! Returns true if the EtherFabric functional units have been configured */ +static inline int efhw_nic_have_hw(struct efhw_nic *nic) +{ + return efhw_nic_have_functional_units(nic) && (EFHW_KVA(nic) != 0); +} + +/*! Helper function to allocate the iobuffer needed by an eventq + * - it ensures the eventq has the correct alignment for the NIC + * + * \param rm Event-queue resource manager + * \param instance Event-queue instance (index) + * \param buf_bytes Requested size of eventq + * \return < 0 if iobuffer allocation fails + */ +int efhw_nic_event_queue_alloc_iobuffer(struct efhw_nic *nic, + struct eventq_resource_hardware *h, + int evq_instance, unsigned buf_bytes); + +extern void falcon_nic_set_rx_usr_buf_size(struct efhw_nic *, + int rx_usr_buf_size); + +extern void +falcon_nic_rx_filter_ctl_set(struct efhw_nic *nic, uint32_t tcp_full, + uint32_t tcp_wild, + uint32_t udp_full, uint32_t udp_wild); + +extern void +falcon_nic_rx_filter_ctl_get(struct efhw_nic *nic, uint32_t *tcp_full, + uint32_t *tcp_wild, + uint32_t *udp_full, uint32_t *udp_wild); + +#endif /* __CI_EFHW_PUBLIC_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efhw/sysdep.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efhw/sysdep.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,72 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides version-independent Linux kernel API for efhw library. + * Only kernels >=2.6.9 are supported. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFHW_SYSDEP_LINUX_H__ +#define __CI_EFHW_SYSDEP_LINUX_H__ + +#include <linux/version.h> +#include <linux/module.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/if_ether.h> + +#include <linux/netdevice.h> /* necessary for etherdevice.h on some kernels */ +#include <linux/etherdevice.h> + +#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21) +static inline int is_local_ether_addr(const u8 *addr) +{ + return (0x02 & addr[0]); +} +#endif + +typedef unsigned long irq_flags_t; + +#define spin_lock_destroy(l_) do {} while (0) + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) +#define HAS_NET_NAMESPACE +#endif + +/* Funny, but linux has round_up for x86 only, defined in + * x86-specific header */ +#ifndef round_up +#define round_up(x, y) (((x) + (y) - 1) & ~((y)-1)) +#endif + +#endif /* __CI_EFHW_SYSDEP_LINUX_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/buddy.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/buddy.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,69 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides private API for buddy allocator. This API is not + * designed for use outside of SFC resource driver. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFRM_BUDDY_H__ +#define __CI_EFRM_BUDDY_H__ + +#include <ci/efrm/sysdep.h> + +/*! Comment? */ +struct efrm_buddy_allocator { + struct list_head *free_lists; /* array[order+1] */ + struct list_head *links; /* array[1<<order] */ + uint8_t *orders; /* array[1<<order] */ + unsigned order; /*!< total size == (1 << order) */ + /* ?? Consider recording largest available order + for each order the + ** smallest available order that is big enough. + */ +}; + + /*! Returns total size of managed space. */ +static inline unsigned long efrm_buddy_size(struct efrm_buddy_allocator *b) +{ + return 1ul << b->order; +} + +int efrm_buddy_ctor(struct efrm_buddy_allocator *b, unsigned order); +void efrm_buddy_dtor(struct efrm_buddy_allocator *b); +int efrm_buddy_alloc(struct efrm_buddy_allocator *b, unsigned order); +void efrm_buddy_free(struct efrm_buddy_allocator *b, unsigned addr, + unsigned order); +void efrm_buddy_reserve_at_start(struct efrm_buddy_allocator *b, unsigned n); +void efrm_buddy_reserve_at_end(struct efrm_buddy_allocator *b, unsigned n); + +#endif /* __CI_EFRM_BUDDY_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/buffer_table.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/buffer_table.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,86 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides private buffer table API. This API is not designed + * for use outside of SFC resource driver. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFRM_BUFFER_TABLE_H__ +#define __CI_EFRM_BUFFER_TABLE_H__ + +#include <ci/efhw/efhw_types.h> + +/*-------------------------------------------------------------------- + * + * NIC's buffer table. + * + *--------------------------------------------------------------------*/ + +/*! Managed interface. */ + +/*! construct a managed buffer table object, allocated over a region of + * the NICs buffer table space + */ +extern int efrm_buffer_table_ctor(unsigned low, unsigned high); +/*! destructor for above */ +extern void efrm_buffer_table_dtor(void); + +/*! allocate a contiguous region of buffer table space */ +extern int efrm_buffer_table_alloc(unsigned order, + struct efhw_buffer_table_allocation *a); + +/*! current size of the buffer table. + * FIXME This function should be inline, but it is never used from + * the fast path, so let it as-is. */ +unsigned long efrm_buffer_table_size(void); + +/*-------------------------------------------------------------------- + * + * buffer table operations through the HW independent API + * + *--------------------------------------------------------------------*/ + +/*! free a previously allocated region of buffer table space */ +extern void efrm_buffer_table_free(struct efhw_buffer_table_allocation *a); + +/*! commit the update of a buffer table entry to every NIC */ +void efrm_buffer_table_commit(void); + +/*! set a given buffer table entry. [pa] should be the physical + address of pinned down memory. This function can only be called from + the char driver */ +void efrm_buffer_table_set(struct efhw_buffer_table_allocation *a, + unsigned i, dma_addr_t dma_addr, int owner); + +#endif /* __CI_EFRM_BUFFER_TABLE_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/debug.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/debug.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,78 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides debug-related API for efrm library using Linux kernel + * primitives. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFRM_DEBUG_LINUX_H__ +#define __CI_EFRM_DEBUG_LINUX_H__ + +#define EFRM_PRINTK_PREFIX "[sfc efrm] " + +#define EFRM_PRINTK(level, fmt, ...) \ + printk(level EFRM_PRINTK_PREFIX fmt "\n", __VA_ARGS__) + +/* Following macros should be used with non-zero format parameters + * due to __VA_ARGS__ limitations. Use "%s" with __FUNCTION__ if you can't + * find better parameters. */ +#define EFRM_ERR(fmt, ...) EFRM_PRINTK(KERN_ERR, fmt, __VA_ARGS__) +#define EFRM_WARN(fmt, ...) EFRM_PRINTK(KERN_WARNING, fmt, __VA_ARGS__) +#define EFRM_NOTICE(fmt, ...) EFRM_PRINTK(KERN_NOTICE, fmt, __VA_ARGS__) +#if 0 && !defined(NDEBUG) +#define EFRM_TRACE(fmt, ...) EFRM_PRINTK(KERN_DEBUG, fmt, __VA_ARGS__) +#else +#define EFRM_TRACE(fmt, ...) +#endif + +#ifndef NDEBUG +#define EFRM_ASSERT(cond) BUG_ON((cond) == 0) +#define _EFRM_ASSERT(cond, file, line) \ + do { \ + if (unlikely(!(cond))) { \ + EFRM_ERR("assertion \"%s\" failed at %s %d", \ + #cond, file, line); \ + BUG(); \ + } \ + } while (0) + +#define EFRM_DO_DEBUG(expr) expr +#define EFRM_VERIFY_EQ(expr, val) EFRM_ASSERT((expr) == (val)) +#else +#define EFRM_ASSERT(cond) +#define EFRM_DO_DEBUG(expr) +#define EFRM_VERIFY_EQ(expr, val) expr +#endif + +#endif /* __CI_EFRM_DEBUG_LINUX_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/driver_private.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/driver_private.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,86 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides private API of efrm library to be used from the SFC + * resource driver. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFRM_DRIVER_PRIVATE_H__ +#define __CI_EFRM_DRIVER_PRIVATE_H__ + +#include <ci/efrm/resource.h> +#include <ci/efrm/sysdep.h> + +/*-------------------------------------------------------------------- + * + * global variables + * + *--------------------------------------------------------------------*/ + +/* Internal structure for resource driver */ +extern struct efrm_resource_manager *efrm_rm_table[]; + +/*-------------------------------------------------------------------- + * + * efrm_nic_table handling + * + *--------------------------------------------------------------------*/ + +extern int efrm_driver_ctor(void); +extern int efrm_driver_dtor(void); +extern int efrm_driver_register_nic(struct efhw_nic *, int nic_index); +extern int efrm_driver_unregister_nic(struct efhw_nic *); + +/*-------------------------------------------------------------------- + * + * create/destroy resource managers + * + *--------------------------------------------------------------------*/ + +struct vi_resource_dimensions { + unsigned evq_int_min, evq_int_max; + unsigned evq_timer_min, evq_timer_max; + unsigned rxq_min, rxq_max; + unsigned txq_min, txq_max; +}; + +/*! Initialise resources */ +extern int +efrm_resources_init(const struct vi_resource_dimensions *, + int buffer_table_min, int buffer_table_max); + +/*! Tear down resources */ +extern void efrm_resources_fini(void); + +#endif /* __CI_EFRM_DRIVER_PRIVATE_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/filter.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/filter.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,147 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides public API for filter resource. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFRM_FILTER_H__ +#define __CI_EFRM_FILTER_H__ + +#include <ci/efrm/resource.h> +#include <ci/efrm/vi_resource.h> +#include <ci/efrm/nic_set.h> +#include <ci/efhw/common.h> + +/*! Comment? */ +struct filter_resource { + struct efrm_resource rs; + struct vi_resource *pt; + int filter_idx; + efrm_nic_set_t nic_set; +}; + +#define filter_resource(rs1) container_of((rs1), struct filter_resource, rs) + +/*! + * Allocate filter resource. + * + * \param vi_parent VI resource to use as parent. The function takes + * reference to the VI resource on success. + * \param frs_out pointer to return the new filter resource + * + * \return status code; if non-zero, frs_out is unchanged + */ +extern int +efrm_filter_resource_alloc(struct vi_resource *vi_parent, + struct filter_resource **frs_out); + +/* efrm_filter_resource_free should be called only if + * __efrm_resource_ref_count_zero() returned true. + * The easiest way is to call efrm_filter_resource_release() */ +void efrm_filter_resource_free(struct filter_resource *frs); +static inline void efrm_filter_resource_release(struct filter_resource *frs) +{ + unsigned id; + + EFRM_RESOURCE_ASSERT_VALID(&frs->rs, 0); + id = EFRM_RESOURCE_INSTANCE(frs->rs.rs_handle); + + if (atomic_dec_and_test(&frs->rs.rs_ref_count)) { + if (__efrm_resource_ref_count_zero(EFRM_RESOURCE_FILTER, id)) { + EFRM_ASSERT(EFRM_RESOURCE_INSTANCE(frs->rs.rs_handle) == + id); + efrm_filter_resource_free(frs); + } + } +} + +/*-------------------------------------------------------------------- + *! + * Called to set/change the PT endpoint of a filter + * + * Example of use is TCP helper when it finds a wildcard IP filter + * needs to change which application it delivers traffic to + * + * \param frs filter resource + * \param pt_handle handle of new PT endpoint + * + * \return standard error codes + * + *--------------------------------------------------------------------*/ +extern int +efrm_filter_resource_set_ptresource(struct filter_resource *frs, + struct vi_resource *virs); + +extern int efrm_filter_resource_clear(struct filter_resource *frs); + +extern int __efrm_filter_resource_set(struct filter_resource *frs, int type, + unsigned saddr_be32, uint16_t sport_be16, + unsigned daddr_be32, uint16_t dport_be16); + +static inline int +efrm_filter_resource_tcp_set(struct filter_resource *frs, + unsigned saddr, uint16_t sport, + unsigned daddr, uint16_t dport) +{ + int type; + + EFRM_ASSERT((saddr && sport) || (!saddr && !sport)); + + type = + saddr ? EFHW_IP_FILTER_TYPE_TCP_FULL : + EFHW_IP_FILTER_TYPE_TCP_WILDCARD; + + return __efrm_filter_resource_set(frs, type, + saddr, sport, daddr, dport); +} + +static inline int +efrm_filter_resource_udp_set(struct filter_resource *frs, + unsigned saddr, uint16_t sport, + unsigned daddr, uint16_t dport) +{ + int type; + + EFRM_ASSERT((saddr && sport) || (!saddr && !sport)); + + type = + saddr ? EFHW_IP_FILTER_TYPE_UDP_FULL : + EFHW_IP_FILTER_TYPE_UDP_WILDCARD; + + return __efrm_filter_resource_set(frs, + type, saddr, sport, daddr, dport); +} + +#endif /* __CI_EFRM_FILTER_H__ */ +/*! \cidoxg_end */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/iobufset.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/iobufset.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,123 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides public API for iobufset resource. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFRM_IOBUFSET_H__ +#define __CI_EFRM_IOBUFSET_H__ + +#include <ci/efrm/vi_resource.h> + +/*! Iobufset resource structture. + * Users should not access the structure fields directly, but use the API + * below. + * However, this structure should not be moved out of public headers, + * because part of API (ex. efrm_iobufset_dma_addr function) is inline and + * is used in the fast-path code. + */ +struct iobufset_resource { + struct efrm_resource rs; + struct vi_resource *evq; + struct efhw_buffer_table_allocation buf_tbl_alloc; + unsigned int faultonaccess; + unsigned int n_bufs; + unsigned int pages_per_contiguous_chunk; + unsigned order; + efhw_iopage_t bufs[1]; + /*!< up to n_bufs can follow this, so this must be the last member */ +}; + +#define iobufset_resource(rs1) \ + container_of((rs1), struct iobufset_resource, rs) + +/*! + * Allocate iobufset resource. + * + * \param vi_evq VI resource to use. The function takes + * reference to the VI resource on success. + * \param iobrs_out pointer to return the new filter resource + * + * \return status code; if non-zero, frs_out is unchanged + */ +extern int +efrm_iobufset_resource_alloc(int32_t n_pages, + int32_t pages_per_contiguous_chunk, + struct vi_resource *vi_evq, + bool phys_addr_mode, + uint32_t faultonaccess, + struct iobufset_resource **iobrs_out); + +/* efrm_iobufset_resource_free should be called only if + * __efrm_resource_ref_count_zero() returned true. + * The easiest way is to call efrm_iobufset_resource_release() */ +void efrm_iobufset_resource_free(struct iobufset_resource *rs); +static inline void +efrm_iobufset_resource_release(struct iobufset_resource *iobrs) +{ + unsigned id; + + EFRM_RESOURCE_ASSERT_VALID(&iobrs->rs, 0); + id = EFRM_RESOURCE_INSTANCE(iobrs->rs.rs_handle); + + if (atomic_dec_and_test(&iobrs->rs.rs_ref_count)) { + if (__efrm_resource_ref_count_zero(EFRM_RESOURCE_IOBUFSET, id)) + efrm_iobufset_resource_free(iobrs); + } +} + +static inline char * +efrm_iobufset_ptr(struct iobufset_resource *rs, unsigned offs) +{ + EFRM_ASSERT(offs < (unsigned)(rs->n_bufs << PAGE_SHIFT)); + return efhw_iopage_ptr(&rs->bufs[offs >> PAGE_SHIFT]) + + (offs & (PAGE_SIZE - 1)); +} + +static inline char *efrm_iobufset_page_ptr(struct iobufset_resource *rs, + unsigned page_i) +{ + EFRM_ASSERT(page_i < (unsigned)rs->n_bufs); + return efhw_iopage_ptr(&rs->bufs[page_i]); +} + +static inline dma_addr_t +efrm_iobufset_dma_addr(struct iobufset_resource *rs, unsigned offs) +{ + EFRM_ASSERT(offs < (unsigned)(rs->n_bufs << PAGE_SHIFT)); + return efhw_iopage_dma_addr(&rs->bufs[offs >> PAGE_SHIFT]) + + (offs & (PAGE_SIZE - 1)); +} + +#endif /* __CI_EFRM_IOBUFSET_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/nic_set.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/nic_set.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,104 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides public API for NIC sets. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFRM_NIC_SET_H__ +#define __CI_EFRM_NIC_SET_H__ + +#include <ci/efrm/debug.h> +#include <ci/efhw/common_sysdep.h> +#include <ci/efhw/efhw_config.h> + +/*-------------------------------------------------------------------- + * + * efrm_nic_set_t - tracks which NICs something has been done on + * + *--------------------------------------------------------------------*/ + +/* Internal suructure of efrm_nic_set_t should not be referenced outside of + * this file. Add a new accessor if you should do it. */ +typedef struct { + uint32_t nics; +} efrm_nic_set_t; + +#if EFHW_MAX_NR_DEVS > 32 +#error change efrm_nic_set to handle EFHW_MAX_NR_DEVS number of devices +#endif + +static inline bool +efrm_nic_set_read(const efrm_nic_set_t *nic_set, unsigned index) +{ + EFRM_ASSERT(nic_set); + EFRM_ASSERT(index < EFHW_MAX_NR_DEVS && index < 32); + return (nic_set->nics & (1 << index)) ? true : false; +} + +static inline void +efrm_nic_set_write(efrm_nic_set_t *nic_set, unsigned index, bool value) +{ + EFRM_ASSERT(nic_set); + EFRM_ASSERT(index < EFHW_MAX_NR_DEVS && index < 32); + EFRM_ASSERT(value == false || value == true); + nic_set->nics = (nic_set->nics & (~(1 << index))) + (value << index); +} + +static inline void efrm_nic_set_clear(efrm_nic_set_t *nic_set) +{ + nic_set->nics = 0; +} + +static inline void efrm_nic_set_all(efrm_nic_set_t *nic_set) +{ + nic_set->nics = 0xffffffff; +} + +static inline bool efrm_nic_set_is_all_clear(efrm_nic_set_t *nic_set) +{ + return nic_set->nics == 0 ? true : false; +} + +#define EFRM_NIC_SET_FMT "%x" + +static inline uint32_t efrm_nic_set_pri_arg(efrm_nic_set_t *nic_set) +{ + return nic_set->nics; +} + +#define EFRM_FOR_EACH_NIC_INDEX_IN_SET(_set, _nic_i) \ + for ((_nic_i) = 0; (_nic_i) < EFHW_MAX_NR_DEVS; ++(_nic_i)) \ + if (efrm_nic_set_read((_set), (_nic_i))) + +#endif /* __CI_EFRM_NIC_SET_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/nic_table.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/nic_table.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,98 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides public API for NIC table. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFRM_NIC_TABLE_H__ +#define __CI_EFRM_NIC_TABLE_H__ + +#include <ci/efhw/efhw_types.h> +#include <ci/efrm/sysdep.h> + +/*-------------------------------------------------------------------- + * + * struct efrm_nic_table - top level driver object keeping all NICs - + * implemented in driver_object.c + * + *--------------------------------------------------------------------*/ + +/*! Comment? */ +struct efrm_nic_table { + /*! nics attached to this driver */ + struct efhw_nic *nic[EFHW_MAX_NR_DEVS]; + /*! pointer to an arbitrary struct efhw_nic if one exists; + * for code which does not care which NIC it wants but + * still needs one. Note you cannot assume nic[0] exists. */ + struct efhw_nic *a_nic; + uint32_t nic_count; /*!< number of nics attached to this driver */ + spinlock_t lock; /*!< lock for table modifications */ + atomic_t ref_count; /*!< refcount for users of nic table */ +}; + +/* Resource driver structures used by other drivers as well */ +extern struct efrm_nic_table efrm_nic_table; + +static inline void efrm_nic_table_hold(void) +{ + atomic_inc(&efrm_nic_table.ref_count); +} + +static inline void efrm_nic_table_rele(void) +{ + atomic_dec(&efrm_nic_table.ref_count); +} + +static inline int efrm_nic_table_held(void) +{ + return (atomic_read(&efrm_nic_table.ref_count) != 0); +} + +/* Run code block _x multiple times with variable nic set to each + * registered NIC in turn. + * DO NOT "break" out of this loop early. */ +#define EFRM_FOR_EACH_NIC(_nic_i, _nic) \ + for ((_nic_i) = (efrm_nic_table_hold(), 0); \ + (_nic_i) < EFHW_MAX_NR_DEVS || (efrm_nic_table_rele(), 0); \ + (_nic_i)++) \ + if (((_nic) = efrm_nic_table.nic[_nic_i])) + +#define EFRM_FOR_EACH_NIC_IN_SET(_set, _i, _nic) \ + for ((_i) = (efrm_nic_table_hold(), 0); \ + (_i) < EFHW_MAX_NR_DEVS || (efrm_nic_table_rele(), 0); \ + ++(_i)) \ + if (((_nic) = efrm_nic_table.nic[_i]) && \ + efrm_nic_set_read((_set), (_i))) + +#endif /* __CI_EFRM_NIC_TABLE_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/private.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/private.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,141 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides private API of efrm library -- resource handling. + * This API is not designed for use outside of SFC resource driver. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFRM_PRIVATE_H__ +#define __CI_EFRM_PRIVATE_H__ + +#include <ci/efrm/resource.h> +#include <ci/efrm/driver_private.h> +#include <ci/efrm/sysdep.h> +#include <ci/efrm/debug.h> + +/*-------------------------------------------------------------------- + * + * create resource managers + * + *--------------------------------------------------------------------*/ + +/*! Create a resource manager for various types of resources + */ +extern int +efrm_create_iobufset_resource_manager(struct efrm_resource_manager **out); + +extern int +efrm_create_filter_resource_manager(struct efrm_resource_manager **out); + +extern int +efrm_create_vi_resource_manager(struct efrm_resource_manager **out, + const struct vi_resource_dimensions *); + +/*-------------------------------------------------------------------- + * + * efrm_resource_handle_t handling + * + *--------------------------------------------------------------------*/ + +/*! Initialize an area of memory to be used as a resource */ +static inline void efrm_resource_init(struct efrm_resource *rs, + int type, int instance) +{ + EFRM_ASSERT(instance >= 0); + EFRM_ASSERT(type >= 0 && type < EFRM_RESOURCE_NUM); + atomic_set(&rs->rs_ref_count, 1); + rs->rs_handle.handle = (type << 28u) | + (((unsigned)jiffies & 0xfff) << 16) | instance; +} + +/*-------------------------------------------------------------------- + * + * Instance pool management + * + *--------------------------------------------------------------------*/ + +/*! Allocate instance pool. Use kfifo_vfree to destroy it. */ +static inline int +efrm_kfifo_id_ctor(struct kfifo **ids_out, + unsigned int base, unsigned int limit, spinlock_t *lock) +{ + unsigned int i; + struct kfifo *ids; + unsigned char *buffer; + unsigned int size = roundup_pow_of_two((limit - base) * sizeof(int)); + + EFRM_ASSERT(base <= limit); + buffer = vmalloc(size); + ids = kfifo_init(buffer, size, GFP_KERNEL, lock); + if (IS_ERR(ids)) + return PTR_ERR(ids); + for (i = base; i < limit; i++) + EFRM_VERIFY_EQ(__kfifo_put(ids, (unsigned char *)&i, + sizeof(i)), sizeof(i)); + + *ids_out = ids; + return 0; +} + +/*-------------------------------------------------------------------- + * + * Various private functions + * + *--------------------------------------------------------------------*/ + +/*! Initialize the fields in the provided resource manager memory area + * \param rm The area of memory to be initialized + * \param dtor A method to destroy the resource manager + * \param name A Textual name for the resource manager + * \param type The type of resource managed + * \param initial_table_size Initial size of the ID table + * \param auto_destroy Destroy resource manager on driver onload iff true + * + * A default table size is provided if the value 0 is provided. + */ +extern int +efrm_resource_manager_ctor(struct efrm_resource_manager *rm, + void (*dtor)(struct efrm_resource_manager *), + const char *name, unsigned type, + int initial_table_size); + +extern void efrm_resource_manager_dtor(struct efrm_resource_manager *rm); + +/*! Insert a resource into table in the resource manager. + * + * Caller should free the resource if this function returns non-zero. + */ +extern int efrm_resource_manager_insert(struct efrm_resource *rs); + +#endif /* __CI_EFRM_PRIVATE_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/resource.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/resource.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,122 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides public interface of efrm library -- resource handling. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFRM_RESOURCE_H__ +#define __CI_EFRM_RESOURCE_H__ + +/*-------------------------------------------------------------------- + * + * headers for type dependencies + * + *--------------------------------------------------------------------*/ + +#include <ci/efhw/efhw_types.h> +#include <ci/efrm/resource_id.h> +#include <ci/efrm/sysdep.h> +#include <ci/efhw/common_sysdep.h> + +#ifndef __ci_driver__ +#error "Driver-only file" +#endif + +/*-------------------------------------------------------------------- + * + * struct efrm_resource - represents an allocated resource + * (eg. pinned pages of memory, or resource on a NIC) + * + *--------------------------------------------------------------------*/ + +/*! Representation of an allocated resource */ +struct efrm_resource { + atomic_t rs_ref_count; /*!< users count; see + * __efrm_resource_ref_count_zero() */ + efrm_resource_handle_t rs_handle; +}; + +/*-------------------------------------------------------------------- + * + * managed resource abstraction + * + *--------------------------------------------------------------------*/ + +/*! Factory for resources of a specific type */ +struct efrm_resource_manager { + const char *rm_name; /*!< human readable only */ + spinlock_t rm_lock; +#ifndef NDEBUG + unsigned rm_type; +#endif + int rm_resources; + int rm_resources_hiwat; + /*! table of allocated resources */ + struct efrm_resource **rm_table; + unsigned rm_table_size; + /** + * Destructor for the resource manager. Other resource managers + * might be already dead, although the system guarantees that + * managers are destructed in the order by which they were created + */ + void (*rm_dtor)(struct efrm_resource_manager *); +}; + +#ifdef NDEBUG +# define EFRM_RESOURCE_ASSERT_VALID(rs, rc_mbz) +# define EFRM_RESOURCE_MANAGER_ASSERT_VALID(rm) +#else +/*! Check validity of resource and report on failure */ +extern void efrm_resource_assert_valid(struct efrm_resource *, + int rc_may_be_zero, + const char *file, int line); +# define EFRM_RESOURCE_ASSERT_VALID(rs, rc_mbz) \ + efrm_resource_assert_valid((rs), (rc_mbz), __FILE__, __LINE__) + +/*! Check validity of resource manager and report on failure */ +extern void efrm_resource_manager_assert_valid(struct efrm_resource_manager *, + const char *file, int line); +# define EFRM_RESOURCE_MANAGER_ASSERT_VALID(rm) \ + efrm_resource_manager_assert_valid((rm), __FILE__, __LINE__) +#endif + +/*! Check the reference count on the resource provided and delete its + * handle it in its owning resource manager if the + * reference count has fallen to zero. + * + * Returns TRUE if the caller should really free the resource. + */ +extern bool __efrm_resource_ref_count_zero(unsigned type, unsigned instance); + +#endif /* __CI_EFRM_RESOURCE_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/resource_id.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/resource_id.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,104 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides public type and definitions resource handle, and the + * definitions of resource types. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_DRIVER_EFRM_RESOURCE_ID_H__ +#define __CI_DRIVER_EFRM_RESOURCE_ID_H__ + +/*********************************************************************** + * Resource handles + * + * Resource handles are intended for identifying resources at kernel + * level, within the context of a particular NIC. particularly because + * for some resource types, the low 16 bites correspond to hardware + * IDs. They were historically also used at user level, with a nonce + * stored in the bits 16 to 27 (inclusive), but that approach is + * deprecated (but sill alive!). + * + * The handle value 0 is used to mean "no resource". + * Identify resources within the context of a file descriptor at user + * level. + ***********************************************************************/ + +typedef struct efrm_resource_handle_s { + uint32_t handle; +} efrm_resource_handle_t; + +/* You may think these following functions should all have + * _HANDLE_ in their names, but really we are providing an abstract set + * of methods on a (hypothetical) efrm_resource_t object, with + * efrm_resource_handle_t being just the reference one holds to access + * the object (aka "this" or "self"). + */ + +/* Below I use inline instead of macros where possible in order to get + * more type checking help from the compiler; hopefully we'll never + * have to rewrite these to use #define as we've found some horrible + * compiler on which we cannot make static inline do the Right Thing (tm). + * + * For consistency and to avoid pointless change I spell these + * routines as macro names (CAPTILIZE_UNDERSCORED), which also serves + * to remind people they are compact and inlined. + */ + +#define EFRM_RESOURCE_FMT "[rs:%08x]" + +static inline unsigned EFRM_RESOURCE_PRI_ARG(efrm_resource_handle_t h) +{ + return (h.handle); +} + +static inline unsigned EFRM_RESOURCE_INSTANCE(efrm_resource_handle_t h) +{ + return (h.handle & 0x0000ffff); +} + +static inline unsigned EFRM_RESOURCE_TYPE(efrm_resource_handle_t h) +{ + return (h.handle & 0xf0000000) >> 28; +} + +/*********************************************************************** + * Resource type codes + ***********************************************************************/ + +#define EFRM_RESOURCE_IOBUFSET 0x0 +#define EFRM_RESOURCE_VI 0x1 +#define EFRM_RESOURCE_FILTER 0x2 +#define EFRM_RESOURCE_NUM 0x3 /* This isn't a resource! */ + +#define EFRM_RESOURCE_NAME(type) \ + ((type) == EFRM_RESOURCE_IOBUFSET? "IOBUFSET" : \ + (type) == EFRM_RESOURCE_VI? "VI" : \ + (type) == EFRM_RESOURCE_FILTER? "FILTER" : \ + "<invalid>") + +#endif /* __CI_DRIVER_EFRM_RESOURCE_ID_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/sysdep.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/sysdep.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,54 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides Linux-like system-independent API for efrm library. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFRM_SYSDEP_H__ +#define __CI_EFRM_SYSDEP_H__ + +/* Spinlocks are defined in efhw/sysdep.h */ +#include <ci/efhw/sysdep.h> + +#if defined(__linux__) && defined(__KERNEL__) + +# include <ci/efrm/sysdep_linux.h> + +#else + +# include <ci/efrm/sysdep_ci2linux.h> + +#endif + +#endif /* __CI_EFRM_SYSDEP_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/sysdep_linux.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/sysdep_linux.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,248 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides version-independent Linux kernel API for efrm library. + * Only kernels >=2.6.9 are supported. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Kfifo API is partially stolen from linux-2.6.22/include/linux/list.h + * Copyright (C) 2004 Stelian Pop <stelian@xxxxxxxxxx> + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFRM_SYSDEP_LINUX_H__ +#define __CI_EFRM_SYSDEP_LINUX_H__ + +#include <linux/version.h> +#include <linux/list.h> +#include <linux/vmalloc.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/workqueue.h> +#include <linux/gfp.h> +#include <linux/slab.h> +#include <linux/hardirq.h> +#include <linux/kernel.h> +#include <linux/if_ether.h> +#include <linux/completion.h> +#include <linux/in.h> + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) +/* get roundup_pow_of_two(), which was in kernel.h in early kernel versions */ +#include <linux/log2.h> +#endif + +/******************************************************************** + * + * List API + * + ********************************************************************/ +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18) +static inline void +list_replace_init(struct list_head *old, struct list_head *new) +{ + new->next = old->next; + new->next->prev = new; + new->prev = old->prev; + new->prev->next = new; + INIT_LIST_HEAD(old); +} +#endif + +static inline struct list_head *list_pop(struct list_head *list) +{ + struct list_head *link = list->next; + list_del(link); + return link; +} + +static inline struct list_head *list_pop_tail(struct list_head *list) +{ + struct list_head *link = list->prev; + list_del(link); + return link; +} + +/******************************************************************** + * + * Workqueue API + * + ********************************************************************/ + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) +#define NEED_OLD_WORK_API + +/** + * The old and new work function prototypes just change + * the type of the pointer in the only argument, so it's + * safe to cast one function type to the other + */ +typedef void (*efrm_old_work_func_t) (void *p); + +#undef INIT_WORK +#define INIT_WORK(_work, _func) \ + do { \ + INIT_LIST_HEAD(&(_work)->entry); \ + (_work)->pending = 0; \ + PREPARE_WORK((_work), \ + (efrm_old_work_func_t) (_func), \ + (_work)); \ + } while (0) + +#endif + +/******************************************************************** + * + * Kfifo API + * + ********************************************************************/ + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10) + +#if !defined(RHEL_RELEASE_CODE) || (RHEL_RELEASE_CODE < 1029) +typedef unsigned gfp_t; +#endif + +#define HAS_NO_KFIFO + +struct kfifo { + unsigned char *buffer; /* the buffer holding the data */ + unsigned int size; /* the size of the allocated buffer */ + unsigned int in; /* data is added at offset (in % size) */ + unsigned int out; /* data is extracted from off. (out % size) */ + spinlock_t *lock; /* protects concurrent modifications */ +}; + +extern struct kfifo *kfifo_init(unsigned char *buffer, unsigned int size, + gfp_t gfp_mask, spinlock_t *lock); +extern struct kfifo *kfifo_alloc(unsigned int size, gfp_t gfp_mask, + spinlock_t *lock); +extern void kfifo_free(struct kfifo *fifo); +extern unsigned int __kfifo_put(struct kfifo *fifo, + unsigned char *buffer, unsigned int len); +extern unsigned int __kfifo_get(struct kfifo *fifo, + unsigned char *buffer, unsigned int len); + +/** + * kfifo_put - puts some data into the FIFO + * @fifo: the fifo to be used. + * @buffer: the data to be added. + * @len: the length of the data to be added. + * + * This function copies at most @len bytes from the @buffer into + * the FIFO depending on the free space, and returns the number of + * bytes copied. + */ +static inline unsigned int +kfifo_put(struct kfifo *fifo, unsigned char *buffer, unsigned int len) +{ + unsigned long flags; + unsigned int ret; + + spin_lock_irqsave(fifo->lock, flags); + + ret = __kfifo_put(fifo, buffer, len); + + spin_unlock_irqrestore(fifo->lock, flags); + + return ret; +} + +/** + * kfifo_get - gets some data from the FIFO + * @fifo: the fifo to be used. + * @buffer: where the data must be copied. + * @len: the size of the destination buffer. + * + * This function copies at most @len bytes from the FIFO into the + * @buffer and returns the number of copied bytes. + */ +static inline unsigned int +kfifo_get(struct kfifo *fifo, unsigned char *buffer, unsigned int len) +{ + unsigned long flags; + unsigned int ret; + + spin_lock_irqsave(fifo->lock, flags); + + ret = __kfifo_get(fifo, buffer, len); + + /* + * optimization: if the FIFO is empty, set the indices to 0 + * so we don't wrap the next time + */ + if (fifo->in == fifo->out) + fifo->in = fifo->out = 0; + + spin_unlock_irqrestore(fifo->lock, flags); + + return ret; +} + +/** + * __kfifo_len - returns the number of bytes available in the FIFO, no locking version + * @fifo: the fifo to be used. + */ +static inline unsigned int __kfifo_len(struct kfifo *fifo) +{ + return fifo->in - fifo->out; +} + +/** + * kfifo_len - returns the number of bytes available in the FIFO + * @fifo: the fifo to be used. + */ +static inline unsigned int kfifo_len(struct kfifo *fifo) +{ + unsigned long flags; + unsigned int ret; + + spin_lock_irqsave(fifo->lock, flags); + + ret = __kfifo_len(fifo); + + spin_unlock_irqrestore(fifo->lock, flags); + + return ret; +} + +#else +#include <linux/kfifo.h> +#endif + +static inline void kfifo_vfree(struct kfifo *fifo) +{ + vfree(fifo->buffer); + kfree(fifo); +} + +#endif /* __CI_EFRM_SYSDEP_LINUX_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/vi_resource.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/vi_resource.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,171 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains public API for VI resource. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFRM_VI_RESOURCE_H__ +#define __CI_EFRM_VI_RESOURCE_H__ + +#include <ci/efhw/efhw_types.h> +#include <ci/efrm/resource.h> +#include <ci/efrm/debug.h> + +struct vi_resource; + +/* Make these inline instead of macros for type checking */ +static inline struct vi_resource * +efrm_to_vi_resource(struct efrm_resource *rs) +{ + EFRM_ASSERT(EFRM_RESOURCE_TYPE(rs->rs_handle) == EFRM_RESOURCE_VI); + return (struct vi_resource *) rs; +} +static inline struct +efrm_resource *efrm_from_vi_resource(struct vi_resource *rs) +{ + return (struct efrm_resource *)rs; +} + +#define EFAB_VI_RESOURCE_INSTANCE(virs) \ + EFRM_RESOURCE_INSTANCE(efrm_from_vi_resource(virs)->rs_handle) + +#define EFAB_VI_RESOURCE_PRI_ARG(virs) \ + EFRM_RESOURCE_PRI_ARG(efrm_from_vi_resource(virs)->rs_handle) + +extern int +efrm_vi_resource_alloc(struct vi_resource *evq_virs, + uint16_t vi_flags, int32_t evq_capacity, + int32_t txq_capacity, int32_t rxq_capacity, + uint8_t tx_q_tag, uint8_t rx_q_tag, + struct vi_resource **virs_in_out, + uint32_t *out_io_mmap_bytes, + uint32_t *out_mem_mmap_bytes, + uint32_t *out_txq_capacity, + uint32_t *out_rxq_capacity); + +static inline void efrm_vi_resource_ref(struct vi_resource *virs) +{ + atomic_inc(&efrm_from_vi_resource(virs)->rs_ref_count); +} + +/* efrm_vi_resource_free should be called only if + * __efrm_resource_ref_count_zero() returned true. + * The easiest way is to call efrm_vi_resource_release() */ +extern void efrm_vi_resource_free(struct vi_resource *virs); +static inline void efrm_vi_resource_release(struct vi_resource *virs) +{ + unsigned id; + struct efrm_resource *rs = efrm_from_vi_resource(virs); + + id = EFRM_RESOURCE_INSTANCE(rs->rs_handle); + + if (atomic_dec_and_test(&rs->rs_ref_count)) { + if (__efrm_resource_ref_count_zero(EFRM_RESOURCE_VI, id)) { + EFRM_ASSERT(EFRM_RESOURCE_INSTANCE(rs->rs_handle) == + id); + efrm_vi_resource_free(virs); + } + } +} + +/*-------------------------------------------------------------------- + * + * eventq handling + * + *--------------------------------------------------------------------*/ + +/*! Reset an event queue and clear any associated timers */ +extern void efrm_eventq_reset(struct vi_resource *virs, int nic_index); + +/*! Register a kernel-level handler for the event queue. This function is + * called whenever a timer expires, or whenever the event queue is woken + * but no thread is blocked on it. + * + * This function returns -EBUSY if a callback is already installed. + * + * \param rs Event-queue resource + * \param handler Callback-handler + * \param arg Argument to pass to callback-handler + * \return Status code + */ +extern int +efrm_eventq_register_callback(struct vi_resource *rs, + void (*handler)(void *arg, int is_timeout, + struct efhw_nic *nic), + void *arg); + +/*! Kill the kernel-level callback. + * + * This function stops the timer from running and unregisters the callback + * function. It waits for any running timeout handlers to complete before + * returning. + * + * \param rs Event-queue resource + * \return Nothing + */ +extern void efrm_eventq_kill_callback(struct vi_resource *rs); + +/*! Ask the NIC to generate a wakeup when an event is next delivered. */ +extern void efrm_eventq_request_wakeup(struct vi_resource *rs, + unsigned current_ptr, + unsigned nic_index); + +/*! Register a kernel-level handler for flush completions. + * \TODO Currently, it is unsafe to install a callback more than once. + * + * \param rs VI resource being flushed. + * \param handler Callback handler function. + * \param arg Argument to be passed to handler. + */ +extern void +efrm_vi_register_flush_callback(struct vi_resource *rs, + void (*handler)(void *), + void *arg); + +int efrm_vi_resource_flush_retry(struct vi_resource *virs); + +/*! Comment? */ +extern int efrm_pt_flush(struct vi_resource *); + +/*! Comment? */ +extern int efrm_pt_pace(struct vi_resource *, unsigned int val); + +uint32_t efrm_vi_rm_txq_bytes(struct vi_resource *virs + /*,struct efhw_nic *nic */ ); +uint32_t efrm_vi_rm_rxq_bytes(struct vi_resource *virs + /*,struct efhw_nic *nic */ ); +uint32_t efrm_vi_rm_evq_bytes(struct vi_resource *virs + /*,struct efhw_nic *nic */ ); + +#endif /* __CI_EFRM_VI_RESOURCE_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/vi_resource_manager.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/vi_resource_manager.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,182 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains type definitions for VI resource. These types + * may be used outside of the SFC resource driver, but such use is not + * recommended. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_DRIVER_EFAB_VI_RESOURCE_MANAGER_H__ +#define __CI_DRIVER_EFAB_VI_RESOURCE_MANAGER_H__ + +#include <ci/efhw/common.h> +#include <ci/efrm/vi_resource.h> +#include <ci/efrm/nic_set.h> + +#define EFRM_VI_RM_DMA_QUEUE_COUNT 2 +#define EFRM_VI_RM_DMA_QUEUE_TX 0 +#define EFRM_VI_RM_DMA_QUEUE_RX 1 + +/** Numbers of bits which can be set in the evq_state member of + * vi_resource_evq_info. */ +enum { + /** This bit is set if a wakeup has been requested on the NIC. */ + VI_RESOURCE_EVQ_STATE_WAKEUP_PENDING, + /** This bit is set if the wakeup is valid for the sleeping + * process. */ + VI_RESOURCE_EVQ_STATE_CALLBACK_REGISTERED, + /** This bit is set if a wakeup or timeout event is currently being + * processed. */ + VI_RESOURCE_EVQ_STATE_BUSY, +}; +#define VI_RESOURCE_EVQ_STATE(X) \ + (((int32_t)1) << (VI_RESOURCE_EVQ_STATE_##X)) + +/** Information about an event queue. */ +struct vi_resource_evq_info { + /** Flag bits indicating the state of wakeups. */ + unsigned long evq_state; + /** A pointer to the resource instance for this queue. This member + * is only valid if evq_state is non-zero or the resource is known + * to have a non-zero reference count. */ + struct vi_resource *evq_virs; +}; + +#ifdef __ci_ul_driver__ +#define EFRM_VI_USE_WORKQUEUE 0 +#else +#define EFRM_VI_USE_WORKQUEUE 1 +#endif + +/*! Global information for the VI resource manager. */ +struct vi_resource_manager { + struct efrm_resource_manager rm; + + struct kfifo *instances_with_timer; + int with_timer_base; + int with_timer_limit; + struct kfifo *instances_with_interrupt; + int with_interrupt_base; + int with_interrupt_limit; + + bool iscsi_dmaq_instance_is_free; + struct vi_resource_evq_info *evq_infos; + + /* We keep VI resources which need flushing on these lists. The VI + * is put on the outstanding list when the flush request is issued + * to the hardware and removed when the flush event arrives. The + * hardware can only handle a limited number of RX flush requests at + * once, so VIs are placed in the waiting list until the flush can + * be issued. Flushes can be requested by the client or internally + * by the VI resource manager. In the former case, the reference + * count must be non-zero for the duration of the flush and in the + * later case, the reference count must be zero. */ + struct list_head rx_flush_waiting_list; + struct list_head rx_flush_outstanding_list; + struct list_head tx_flush_outstanding_list; + int rx_flush_outstanding_count; + + /* once the flush has happened we push the close into the work queue + * so its OK on Windows to free the resources (Bug 3469). Resources + * on this list have zero reference count. + */ + struct list_head close_pending; + struct work_struct work_item; +#if EFRM_VI_USE_WORKQUEUE + struct workqueue_struct *workqueue; +#endif +}; + +struct vi_resource_nic_info { + struct eventq_resource_hardware evq_pages; +#if defined(__CI_HARDWARE_CONFIG_FALCON__) + efhw_iopages_t dmaq_pages[EFRM_VI_RM_DMA_QUEUE_COUNT]; +#endif +}; + +struct vi_resource { + /* Some macros make the assumption that the struct efrm_resource is + * the first member of a struct vi_resource. */ + struct efrm_resource rs; + atomic_t evq_refs; /*!< Number of users of the event queue. */ + + efrm_nic_set_t nic_set; + + uint32_t bar_mmap_bytes; + uint32_t mem_mmap_bytes; + + int32_t evq_capacity; + int32_t dmaq_capacity[EFRM_VI_RM_DMA_QUEUE_COUNT]; + + uint8_t dmaq_tag[EFRM_VI_RM_DMA_QUEUE_COUNT]; + uint16_t flags; + + /* we keep PT endpoints that have been destroyed on a list + * until we have seen their TX and RX DMAQs flush complete + * (see Bug 1217) + */ + struct list_head rx_flush_link; + struct list_head tx_flush_link; + efrm_nic_set_t rx_flush_nic_set; + efrm_nic_set_t rx_flush_outstanding_nic_set; + efrm_nic_set_t tx_flush_nic_set; + uint64_t flush_time; + int flush_count; + + void (*flush_callback_fn)(void *); + void *flush_callback_arg; + + void (*evq_callback_fn) (void *arg, int is_timeout, + struct efhw_nic *nic); + void *evq_callback_arg; + + struct vi_resource *evq_virs; /*!< EVQ for DMA queues */ + +#if defined(__CI_HARDWARE_CONFIG_FALCON__) + struct efhw_buffer_table_allocation + dmaq_buf_tbl_alloc[EFRM_VI_RM_DMA_QUEUE_COUNT]; +#endif + + struct vi_resource_nic_info nic_info[EFHW_MAX_NR_DEVS]; +}; + +#undef vi_resource +#define vi_resource(rs1) container_of((rs1), struct vi_resource, rs) + +static inline dma_addr_t +efrm_eventq_dma_addr(struct vi_resource *virs, uint32_t nic_index) +{ + struct eventq_resource_hardware *hw; + EFRM_ASSERT(efrm_nic_set_read(&virs->nic_set, nic_index)); + + hw = &(virs->nic_info[nic_index].evq_pages); + + return efhw_iopages_dma_addr(&(hw->iobuff)) + hw->iobuff_off; +} + +#endif /* __CI_DRIVER_EFAB_VI_RESOURCE_MANAGER_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/ci/efrm/vi_resource_private.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/ci/efrm/vi_resource_private.h Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,83 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains private API for VI resource. The API is not designed + * to be used outside of the SFC resource driver. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#ifndef __CI_EFRM_VI_RESOURCE_PRIVATE_H__ +#define __CI_EFRM_VI_RESOURCE_PRIVATE_H__ + +#include <ci/efhw/common.h> +#include <ci/efrm/vi_resource_manager.h> + +extern struct vi_resource_manager *efrm_vi_manager; + +/*************************************************************************/ + +extern void efrm_vi_rm_delayed_free(struct work_struct *data); + +extern void efrm_vi_rm_salvage_flushed_vis(void); + +void efrm_vi_rm_free_flushed_resource(struct vi_resource *virs); + +void efrm_vi_rm_init_dmaq(struct vi_resource *virs, int queue_index, + struct efhw_nic *nic); + +static inline int +efrm_eventq_bytes(struct vi_resource *virs, uint32_t nic_index) +{ + EFRM_ASSERT(efrm_nic_set_read(&virs->nic_set, nic_index)); + + return efrm_vi_rm_evq_bytes(virs); +} + +static inline efhw_event_t * +efrm_eventq_base(struct vi_resource *virs, uint32_t nic_index) +{ + struct eventq_resource_hardware *hw; + + EFRM_ASSERT(efrm_nic_set_read(&virs->nic_set, nic_index)); + + hw = &(virs->nic_info[nic_index].evq_pages); + + return (efhw_event_t *) (efhw_iopages_ptr(&(hw->iobuff)) + + hw->iobuff_off); +} + +/*! Wakeup handler, see efhw_ev_handler_t for prototype */ +extern void efrm_handle_wakeup_event(struct efhw_nic *nic, efhw_event_t *ev); + +/*! Timeout handler, see efhw_ev_handler_t for prototype */ +extern void efrm_handle_timeout_event(struct efhw_nic *nic, efhw_event_t *ev); + +/*! DMA flush handler, see efhw_ev_handler_t for prototype */ +extern void efrm_handle_dmaq_flushed(struct efhw_nic *nic, int instance, + int rx_flush); + +#endif /* __CI_EFRM_VI_RESOURCE_PRIVATE_H__ */ diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/driver_object.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/driver_object.c Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,174 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains support for the global driver variables. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * Certain parts of the driver were implemented by + * Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx> + * OKTET Labs Ltd, Russia, + * http://oktetlabs.ru, <info@xxxxxxxxxxxx> + * by request of Solarflare Communications + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#include <ci/efrm/nic_table.h> +#include <ci/efrm/resource.h> +#include <ci/efrm/debug.h> + +/* We use #define rather than static inline here so that the Windows + * "prefast" compiler can see its own locking primitive when these + * two function are used (and then perform extra checking where they + * are used) + * + * Both macros operate on an irq_flags_t +*/ + +#define efrm_driver_lock(irqlock_state) \ + spin_lock_irqsave(&efrm_nic_table.lock, irqlock_state) + +#define efrm_driver_unlock(irqlock_state) \ + spin_unlock_irqrestore(&efrm_nic_table.lock, \ + irqlock_state); + +/* These routines are all methods on the architecturally singleton + global variables: efrm_nic_table, efrm_rm_table. + + I hope we never find a driver model that does not allow global + structure variables :) (but that would break almost every driver I've + ever seen). +*/ + +/*! Exported driver state */ +struct efrm_nic_table efrm_nic_table; +EXPORT_SYMBOL(efrm_nic_table); + +/* Internal table with resource managers. + * We'd like to not export it, but we are still using efrm_rm_table + * in the char driver. So, it is declared in the private header with + * a purpose. */ +struct efrm_resource_manager *efrm_rm_table[EFRM_RESOURCE_NUM]; +EXPORT_SYMBOL(efrm_rm_table); + +int efrm_driver_ctor(void) +{ + memset(&efrm_nic_table, 0, sizeof(efrm_nic_table)); + memset(&efrm_rm_table, 0, sizeof(efrm_rm_table)); + + spin_lock_init(&efrm_nic_table.lock); + + EFRM_TRACE("%s: driver created", __FUNCTION__); + return 0; +} + +int efrm_driver_dtor(void) +{ + EFRM_ASSERT(!efrm_nic_table_held()); + + spin_lock_destroy(&efrm_nic_table.lock); + EFRM_TRACE("%s: driver deleted", __FUNCTION__); + return 0; +} + +int efrm_driver_register_nic(struct efhw_nic *nic, int nic_index) +{ + int rc = 0; + irq_flags_t lock_flags; + + EFRM_ASSERT(nic_index >= 0); + + efrm_driver_lock(lock_flags); + + if (efrm_nic_table_held()) { + EFRM_WARN("%s: driver object is in use", __FUNCTION__); + rc = -EBUSY; + goto done; + } + + if (efrm_nic_table.nic_count == EFHW_MAX_NR_DEVS) { + EFRM_WARN("%s: filled up NIC table size %d", __FUNCTION__, + EFHW_MAX_NR_DEVS); + rc = -E2BIG; + goto done; + } + + EFRM_ASSERT(efrm_nic_table.nic[nic_index] == NULL); + efrm_nic_table.nic[nic_index] = nic; + nic->index = nic_index; + + if (efrm_nic_table.a_nic == NULL) + efrm_nic_table.a_nic = nic; + + efrm_nic_table.nic_count++; + efrm_driver_unlock(lock_flags); + return rc; + +done: + efrm_driver_unlock(lock_flags); + return rc; +} + +int efrm_driver_unregister_nic(struct efhw_nic *nic) +{ + int rc = 0; + int nic_index = nic->index; + irq_flags_t lock_flags; + + EFRM_ASSERT(nic_index >= 0); + + efrm_driver_lock(lock_flags); + + if (efrm_nic_table_held()) { + EFRM_WARN("%s: driver object is in use", __FUNCTION__); + rc = -EBUSY; + goto done; + } + + EFRM_ASSERT(efrm_nic_table.nic[nic_index] == nic); + + nic->index = -1; + efrm_nic_table.nic[nic_index] = NULL; + + --efrm_nic_table.nic_count; + + if (efrm_nic_table.a_nic == nic) { + if (efrm_nic_table.nic_count == 0) { + efrm_nic_table.a_nic = NULL; + } else { + for (nic_index = 0; nic_index < EFHW_MAX_NR_DEVS; + nic_index++) { + if (efrm_nic_table.nic[nic_index] != NULL) + efrm_nic_table.a_nic = + efrm_nic_table.nic[nic_index]; + } + EFRM_ASSERT(efrm_nic_table.a_nic); + } + } + +done: + efrm_driver_unlock(lock_flags); + return rc; +} diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/driverlink_new.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/driverlink_new.c Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,290 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains driverlink code which interacts with the sfc network + * driver. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#include "linux_resource_internal.h" +#include "driverlink_api.h" +#include "kernel_compat.h" +#include <ci/efhw/falcon.h> + +#include <linux/rtnetlink.h> +#include <linux/netdevice.h> + +/* The DL driver and associated calls */ +static int efrm_dl_probe(struct efx_dl_device *efrm_dev, + const struct net_device *net_dev, + const struct efx_dl_device_info *dev_info, + const char *silicon_rev); + +static void efrm_dl_remove(struct efx_dl_device *efrm_dev); + +static void efrm_dl_reset_suspend(struct efx_dl_device *efrm_dev); + +static void efrm_dl_reset_resume(struct efx_dl_device *efrm_dev, int ok); + +static void efrm_dl_mtu_changed(struct efx_dl_device *, int); +static void efrm_dl_event_falcon(struct efx_dl_device *efx_dev, void *p_event); + +static struct efx_dl_driver efrm_dl_driver = { + .name = "resource", + .probe = efrm_dl_probe, + .remove = efrm_dl_remove, + .reset_suspend = efrm_dl_reset_suspend, + .reset_resume = efrm_dl_reset_resume +}; + +static void +init_vi_resource_dimensions(struct vi_resource_dimensions *rd, + const struct efx_dl_falcon_resources *res) +{ + rd->evq_timer_min = res->evq_timer_min; + rd->evq_timer_max = res->evq_timer_max; + rd->evq_int_min = res->evq_int_min; + rd->evq_int_max = res->evq_int_max; + rd->rxq_min = res->rxq_min; + rd->rxq_max = res->rxq_max; + rd->txq_min = res->txq_min; + rd->txq_max = res->txq_max; + EFRM_TRACE + ("Using evq_int(%d-%d) evq_timer(%d-%d) RXQ(%d-%d) TXQ(%d-%d)", + res->evq_int_min, res->evq_int_max, res->evq_timer_min, + res->evq_timer_max, res->rxq_min, res->rxq_max, res->txq_min, + res->txq_max); +} + +#if defined(EFX_NOT_UPSTREAM) +/* We have a module parameter that can tell us to only load the char driver + * for 1 NIC (if there are multiple NICs in the system), and if so which one. + * This tells us the PCI bus and slot of the NIC to load for, or -1 to just + * load on all NICs (the default). + * Value is a hex number in the format + * bbbbss + * where: + * bbbb - PCI bus number + * ss - PCI slot number + */ +unsigned int only_NIC = -1; + +/** @ingroup module_params */ +module_param(only_NIC, uint, 0444); +MODULE_PARM_DESC(only_NIC, + "Initialise sfc_resource driver for one NIC only, " + "with specified PCI bus and slot"); +#endif + +static int +efrm_dl_probe(struct efx_dl_device *efrm_dev, + const struct net_device *net_dev, + const struct efx_dl_device_info *dev_info, + const char *silicon_rev) +{ + struct vi_resource_dimensions res_dim; + struct efx_dl_falcon_resources *res; + struct linux_efhw_nic *lnic; + struct pci_dev *dev; + struct efhw_nic *nic; + unsigned probe_flags = 0; + int rc; + + efrm_dev->priv = NULL; + + efx_dl_for_each_device_info_matching(dev_info, EFX_DL_FALCON_RESOURCES, + struct efx_dl_falcon_resources, + hdr, res) { + /* break out, leaving res pointing at the falcon resources */ + break; + } + + if (res == NULL) { + EFRM_ERR("%s: Unable to find falcon driverlink resources", + __FUNCTION__); + return -EINVAL; + } + + if (res->flags & EFX_DL_FALCON_USE_MSI) + probe_flags |= NIC_FLAG_TRY_MSI; + + dev = efrm_dev->pci_dev; + if (res->flags & EFX_DL_FALCON_DUAL_FUNC) { + unsigned vendor = dev->vendor; + EFRM_ASSERT(dev->bus != NULL); + dev = NULL; + +#if defined(EFX_NOT_UPSTREAM) + if (only_NIC != -1 && + (efrm_dev->pci_dev->bus->number != + ((only_NIC >> 8) & 0xFFFF) + || PCI_SLOT(efrm_dev->pci_dev->devfn) != + (only_NIC & 0xFF))) { + EFRM_NOTICE("Hiding char device %x:%x", + efrm_dev->pci_dev->bus->number, + PCI_SLOT(efrm_dev->pci_dev->devfn)); + return -ENODEV; + } +#endif + + while ((dev = pci_get_device(vendor, FALCON_S_DEVID, dev)) + != NULL) { + EFRM_ASSERT(dev->bus != NULL); + /* With PCIe (since it's point to point) + * the slot ID is usually 0 and + * the bus ID changes NIC to NIC, so we really + * need to check both. */ + if (PCI_SLOT(dev->devfn) == + PCI_SLOT(efrm_dev->pci_dev->devfn) + && dev->bus->number == + efrm_dev->pci_dev->bus->number) + break; + } + if (dev == NULL) { + EFRM_ERR("%s: Unable to find falcon secondary " + "PCI device.", __FUNCTION__); + return -ENODEV; + } + pci_dev_put(dev); + } + + init_vi_resource_dimensions(&res_dim, res); + + rc = efrm_nic_add(dev, probe_flags, net_dev->dev_addr, &lnic, + res->biu_lock, + res->buffer_table_min, res->buffer_table_max, + &res_dim); + if (rc != 0) + return rc; + + nic = &lnic->nic; + nic->mtu = net_dev->mtu + ETH_HLEN; + nic->net_driver_dev = efrm_dev; + nic->ifindex = net_dev->ifindex; +#ifdef HAS_NET_NAMESPACE + nic->nd_net = net_dev->nd_net; +#endif + efrm_dev->priv = nic; + + /* Register a callback so we're told when MTU changes. + * We dynamically allocate efx_dl_callbacks, because + * the callbacks that we want depends on the NIC type. + */ + lnic->dl_callbacks = + kmalloc(sizeof(struct efx_dl_callbacks), GFP_KERNEL); + if (!lnic->dl_callbacks) { + EFRM_ERR("Out of memory (%s)", __FUNCTION__); + efrm_nic_del(lnic); + return -ENOMEM; + } + memset(lnic->dl_callbacks, 0, sizeof(*lnic->dl_callbacks)); + lnic->dl_callbacks->mtu_changed = efrm_dl_mtu_changed; + + if ((res->flags & EFX_DL_FALCON_DUAL_FUNC) == 0) { + /* Net driver receives all management events. + * Register a callback to receive the ones + * we're interested in. */ + lnic->dl_callbacks->event = efrm_dl_event_falcon; + } + + rc = efx_dl_register_callbacks(efrm_dev, lnic->dl_callbacks); + if (rc < 0) { + EFRM_ERR("%s: efx_dl_register_callbacks failed (%d)", + __FUNCTION__, rc); + kfree(lnic->dl_callbacks); + efrm_nic_del(lnic); + return rc; + } + + return 0; +} + +/* When we unregister ourselves on module removal, this function will be + * called for all the devices we claimed */ +static void efrm_dl_remove(struct efx_dl_device *efrm_dev) +{ + struct efhw_nic *nic = efrm_dev->priv; + struct linux_efhw_nic *lnic = linux_efhw_nic(nic); + EFRM_TRACE("%s called", __FUNCTION__); + if (lnic->dl_callbacks) { + efx_dl_unregister_callbacks(efrm_dev, lnic->dl_callbacks); + kfree(lnic->dl_callbacks); + } + if (efrm_dev->priv) + efrm_nic_del(lnic); + EFRM_TRACE("%s OK", __FUNCTION__); +} + +static void efrm_dl_reset_suspend(struct efx_dl_device *efrm_dev) +{ + EFRM_NOTICE("%s:", __FUNCTION__); +} + +static void efrm_dl_reset_resume(struct efx_dl_device *efrm_dev, int ok) +{ + EFRM_NOTICE("%s: ok=%d", __FUNCTION__, ok); +} + +int efrm_driverlink_register(void) +{ + EFRM_TRACE("%s:", __FUNCTION__); + return efx_dl_register_driver(&efrm_dl_driver); +} + +void efrm_driverlink_unregister(void) +{ + EFRM_TRACE("%s:", __FUNCTION__); + efx_dl_unregister_driver(&efrm_dl_driver); +} + +static void efrm_dl_mtu_changed(struct efx_dl_device *efx_dev, int mtu) +{ + struct efhw_nic *nic = efx_dev->priv; + + ASSERT_RTNL(); /* Since we're looking at efx_dl_device::port_net_dev */ + + EFRM_TRACE("%s: old=%d new=%d", __FUNCTION__, nic->mtu, mtu + ETH_HLEN); + /* If this happened we must have agreed to it above */ + nic->mtu = mtu + ETH_HLEN; +} + +static void efrm_dl_event_falcon(struct efx_dl_device *efx_dev, void *p_event) +{ + struct efhw_nic *nic = efx_dev->priv; + struct linux_efhw_nic *lnic = linux_efhw_nic(nic); + efhw_event_t *ev = p_event; + + switch (FALCON_EVENT_CODE(ev)) { + case FALCON_EVENT_CODE_CHAR: + falcon_handle_char_event(nic, lnic->ev_handlers, ev); + break; + default: + EFRM_WARN("%s: unknown event type=%x", __FUNCTION__, + (unsigned)FALCON_EVENT_CODE(ev)); + break; + } +} diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/efx_vi_shm.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/efx_vi_shm.c Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,701 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file provides implementation of EFX VI API, used from Xen + * acceleration driver. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#include "linux_resource_internal.h" +#include <ci/efrm/nic_table.h> +#include <ci/efrm/vi_resource_manager.h> +#include <ci/driver/resource/efx_vi.h> +#include <ci/efrm/filter.h> +#include <ci/efrm/buffer_table.h> +#include <linux/pci.h> +#include "kernel_compat.h" + +#if EFX_VI_STATIC_FILTERS +struct filter_list_t { + struct filter_list_t *next; + struct filter_resource *fres; +}; +#endif + +struct efx_vi_state { + struct vi_resource *vi_res; + + int nic_index; + + void (*callback_fn)(void *arg, int is_timeout); + void *callback_arg; + + struct completion flush_completion; + +#if EFX_VI_STATIC_FILTERS + struct filter_list_t fres[EFX_VI_STATIC_FILTERS]; + struct filter_list_t *free_fres; + struct filter_list_t *used_fres; +#endif +}; + +static void efx_vi_flush_complete(void *state_void) +{ + struct efx_vi_state *state = (struct efx_vi_state *)state_void; + + complete(&state->flush_completion); +} + +static inline int alloc_ep(struct efx_vi_state *state) +{ + int rc; + + rc = efrm_vi_resource_alloc(NULL, EFHW_VI_JUMBO_EN, + efx_vi_eventq_size, + FALCON_DMA_Q_DEFAULT_TX_SIZE, + FALCON_DMA_Q_DEFAULT_RX_SIZE, + 0, 0, &state->vi_res, NULL, NULL, NULL, + NULL); + if (rc < 0) { + EFRM_ERR("%s: ERROR efrm_vi_resource_alloc error %d", + __FUNCTION__, rc); + return rc; + } + + efrm_vi_register_flush_callback(state->vi_res, &efx_vi_flush_complete, + (void *)state); + + return 0; +} + +static int free_ep(struct efx_vi_state *efx_state) +{ + efrm_vi_resource_release(efx_state->vi_res); + + return 0; +} + +#if EFX_VI_STATIC_FILTERS +static int efx_vi_alloc_static_filters(struct efx_vi_state *efx_state) +{ + int i; + int rc; + + efx_state->free_fres = efx_state->used_fres = NULL; + + for (i = 0; i < EFX_VI_STATIC_FILTERS; i++) { + rc = efrm_filter_resource_alloc(efx_state->vi_res, + &efx_state->fres[i].fres); + if (rc < 0) { + EFRM_ERR("%s: efrm_filter_resource_alloc failed: %d", + __FUNCTION__, rc); + while (i > 0) { + i--; + efrm_filter_resource_release(efx_state-> + fres[i].fres); + } + efx_state->free_fres = NULL; + return rc; + } + efx_state->fres[i].next = efx_state->free_fres; + efx_state->free_fres = &efx_state->fres[i]; + } + + return 0; +} +#endif + +int efx_vi_alloc(struct efx_vi_state **vih_out, int nic_index) +{ + struct efx_vi_state *efx_state; + int rc; + + BUG_ON(nic_index < 0 || nic_index >= EFHW_MAX_NR_DEVS); + + efx_state = kmalloc(sizeof(struct efx_vi_state), GFP_KERNEL); + + if (!efx_state) { + EFRM_ERR("%s: failed to allocate memory for efx_vi_state", + __FUNCTION__); + rc = -ENOMEM; + goto fail; + } + + efx_state->nic_index = nic_index; + init_completion(&efx_state->flush_completion); + + /* basically allocate_pt_endpoint() */ + rc = alloc_ep(efx_state); + if (rc) { + EFRM_ERR("%s: alloc_ep failed: %d", __FUNCTION__, rc); + goto fail_no_pt; + } +#if EFX_VI_STATIC_FILTERS + /* Statically allocate a set of filter resources - removes the + restriction on not being able to use efx_vi_filter() from + in_atomic() */ + rc = efx_vi_alloc_static_filters(efx_state); + if (rc) + goto fail_no_filters; +#endif + + *vih_out = efx_state; + + return 0; +#if EFX_VI_STATIC_FILTERS +fail_no_filters: + free_ep(efx_state); +#endif +fail_no_pt: + kfree(efx_state); +fail: + return rc; +} +EXPORT_SYMBOL(efx_vi_alloc); + +void efx_vi_free(struct efx_vi_state *vih) +{ + struct efx_vi_state *efx_state = vih; + + /* TODO flush dma channels, init dma queues?. See ef_free_vnic() */ +#if EFX_VI_STATIC_FILTERS + int i; + + for (i = 0; i < EFX_VI_STATIC_FILTERS; i++) + efrm_filter_resource_release(efx_state->fres[i].fres); +#endif + + if (efx_state->vi_res) + free_ep(efx_state); + + kfree(efx_state); +} +EXPORT_SYMBOL(efx_vi_free); + +void efx_vi_reset(struct efx_vi_state *vih) +{ + struct efx_vi_state *efx_state = vih; + + efrm_pt_flush(efx_state->vi_res); + + while (wait_for_completion_timeout(&efx_state->flush_completion, HZ) + == 0) + efrm_vi_resource_flush_retry(efx_state->vi_res); + + /* Bosch the eventq */ + efrm_eventq_reset(efx_state->vi_res, 0); + return; +} +EXPORT_SYMBOL(efx_vi_reset); + +static void +efx_vi_eventq_callback(void *context, int is_timeout, struct efhw_nic *nic) +{ + struct efx_vi_state *efx_state = (struct efx_vi_state *)context; + + EFRM_ASSERT(efx_state->callback_fn); + + return efx_state->callback_fn(efx_state->callback_arg, is_timeout); +} + +int +efx_vi_eventq_register_callback(struct efx_vi_state *vih, + void (*callback)(void *context, int is_timeout), + void *context) +{ + struct efx_vi_state *efx_state = vih; + + efx_state->callback_fn = callback; + efx_state->callback_arg = context; + + /* Register the eventq timeout event callback */ + efrm_eventq_register_callback(efx_state->vi_res, + efx_vi_eventq_callback, efx_state); + + return 0; +} +EXPORT_SYMBOL(efx_vi_eventq_register_callback); + +int efx_vi_eventq_kill_callback(struct efx_vi_state *vih) +{ + struct efx_vi_state *efx_state = vih; + + if (efx_state->vi_res->evq_callback_fn) + efrm_eventq_kill_callback(efx_state->vi_res); + + efx_state->callback_fn = NULL; + efx_state->callback_arg = NULL; + + return 0; +} +EXPORT_SYMBOL(efx_vi_eventq_kill_callback); + +struct efx_vi_dma_map_state { + struct efhw_buffer_table_allocation bt_handle; + int n_pages; + dma_addr_t *dma_addrs; +}; + +int +efx_vi_dma_map_pages(struct efx_vi_state *vih, struct page **pages, + int n_pages, struct efx_vi_dma_map_state **dmh_out) +{ + struct efx_vi_state *efx_state = vih; + int order = fls(n_pages - 1), rc, i, evq_id; + dma_addr_t dma_addr; + struct efx_vi_dma_map_state *dm_state; + + if (n_pages != (1 << order)) { + EFRM_WARN("%s: Can only allocate buffers in power of 2 " + "sizes (not %d)", __FUNCTION__, n_pages); + return -EINVAL; + } + + dm_state = kmalloc(sizeof(struct efx_vi_dma_map_state), GFP_KERNEL); + if (!dm_state) + return -ENOMEM; + + dm_state->dma_addrs = kmalloc(sizeof(dma_addr_t) * n_pages, + GFP_KERNEL); + if (!dm_state->dma_addrs) { + kfree(dm_state); + return -ENOMEM; + } + + rc = efrm_buffer_table_alloc(order, &dm_state->bt_handle); + if (rc < 0) { + kfree(dm_state->dma_addrs); + kfree(dm_state); + return rc; + } + + evq_id = EFRM_RESOURCE_INSTANCE(efx_state->vi_res->rs.rs_handle); + for (i = 0; i < n_pages; i++) { + /* TODO do we need to get_page() here ? */ + + dma_addr = pci_map_page + (linux_efhw_nic(efrm_nic_table.nic[efx_state->nic_index])-> + pci_dev, pages[i], 0, PAGE_SIZE, PCI_DMA_TODEVICE); + + efrm_buffer_table_set(&dm_state->bt_handle, i, dma_addr, + evq_id); + + dm_state->dma_addrs[i] = dma_addr; + + /* Would be nice to not have to call commit each time, but + * comment says there are hardware restrictions on how often + * you can go without it, so do this to be safe */ + efrm_buffer_table_commit(); + } + + dm_state->n_pages = n_pages; + + *dmh_out = dm_state; + + return 0; +} +EXPORT_SYMBOL(efx_vi_dma_map_pages); + +/* Function needed as Xen can't get pages for grants in dom0, but can + get dma address */ +int +efx_vi_dma_map_addrs(struct efx_vi_state *vih, + unsigned long long *bus_dev_addrs, + int n_pages, struct efx_vi_dma_map_state **dmh_out) +{ + struct efx_vi_state *efx_state = vih; + int order = fls(n_pages - 1), rc, i, evq_id; + dma_addr_t dma_addr; + struct efx_vi_dma_map_state *dm_state; + + if (n_pages != (1 << order)) { + EFRM_WARN("%s: Can only allocate buffers in power of 2 " + "sizes (not %d)", __FUNCTION__, n_pages); + return -EINVAL; + } + + dm_state = kmalloc(sizeof(struct efx_vi_dma_map_state), GFP_KERNEL); + if (!dm_state) + return -ENOMEM; + + dm_state->dma_addrs = kmalloc(sizeof(dma_addr_t) * n_pages, + GFP_KERNEL); + if (!dm_state->dma_addrs) { + kfree(dm_state); + return -ENOMEM; + } + + rc = efrm_buffer_table_alloc(order, &dm_state->bt_handle); + if (rc < 0) { + kfree(dm_state->dma_addrs); + kfree(dm_state); + return rc; + } + + evq_id = EFRM_RESOURCE_INSTANCE(efx_state->vi_res->rs.rs_handle); +#if 0 + EFRM_WARN("%s: mapping %d pages to evq %d, bt_ids %d-%d\n", + __FUNCTION__, n_pages, evq_id, + dm_state->bt_handle.base, + dm_state->bt_handle.base + n_pages); +#endif + for (i = 0; i < n_pages; i++) { + + dma_addr = (dma_addr_t)bus_dev_addrs[i]; + + efrm_buffer_table_set(&dm_state->bt_handle, i, dma_addr, + evq_id); + + dm_state->dma_addrs[i] = dma_addr; + + /* Would be nice to not have to call commit each time, but + * comment says there are hardware restrictions on how often + * you can go without it, so do this to be safe */ + efrm_buffer_table_commit(); + } + + dm_state->n_pages = n_pages; + + *dmh_out = dm_state; + + return 0; +} +EXPORT_SYMBOL(efx_vi_dma_map_addrs); + +void +efx_vi_dma_unmap_pages(struct efx_vi_state *vih, + struct efx_vi_dma_map_state *dmh) +{ + struct efx_vi_state *efx_state = vih; + struct efx_vi_dma_map_state *dm_state = + (struct efx_vi_dma_map_state *)dmh; + int i; + + efrm_buffer_table_free(&dm_state->bt_handle); + + for (i = 0; i < dm_state->n_pages; ++i) + pci_unmap_page(linux_efhw_nic + (efrm_nic_table.nic[efx_state->nic_index])->pci_dev, + dm_state->dma_addrs[i], PAGE_SIZE, PCI_DMA_TODEVICE); + + kfree(dm_state->dma_addrs); + kfree(dm_state); + + return; +} +EXPORT_SYMBOL(efx_vi_dma_unmap_pages); + +void +efx_vi_dma_unmap_addrs(struct efx_vi_state *vih, + struct efx_vi_dma_map_state *dmh) +{ + struct efx_vi_dma_map_state *dm_state = + (struct efx_vi_dma_map_state *)dmh; + + efrm_buffer_table_free(&dm_state->bt_handle); + + kfree(dm_state->dma_addrs); + kfree(dm_state); + + return; +} +EXPORT_SYMBOL(efx_vi_dma_unmap_addrs); + +unsigned +efx_vi_dma_get_map_addr(struct efx_vi_state *vih, + struct efx_vi_dma_map_state *dmh) +{ + struct efx_vi_dma_map_state *dm_state = + (struct efx_vi_dma_map_state *)dmh; + + return EFHW_BUFFER_ADDR(dm_state->bt_handle.base, 0); +} +EXPORT_SYMBOL(efx_vi_dma_get_map_addr); + +#if EFX_VI_STATIC_FILTERS +static int +get_filter(struct efx_vi_state *efx_state, + efrm_resource_handle_t pthandle, struct filter_resource **fres_out) +{ + struct filter_list_t *flist; + if (efx_state->free_fres == NULL) + return -ENOMEM; + else { + flist = efx_state->free_fres; + efx_state->free_fres = flist->next; + flist->next = efx_state->used_fres; + efx_state->used_fres = flist; + *fres_out = flist->fres; + return 0; + } +} +#endif + +static void +release_filter(struct efx_vi_state *efx_state, struct filter_resource *fres) +{ +#if EFX_VI_STATIC_FILTERS + struct filter_list_t *flist = efx_state->used_fres, *prev = NULL; + while (flist) { + if (flist->fres == fres) { + if (prev) + prev->next = flist->next; + else + efx_state->used_fres = flist->next; + flist->next = efx_state->free_fres; + efx_state->free_fres = flist; + return; + } + prev = flist; + flist = flist->next; + } + EFRM_ERR("%s: couldn't find filter", __FUNCTION__); +#else + return efrm_filter_resource_release(fres); +#endif +} + +int +efx_vi_filter(struct efx_vi_state *vih, int protocol, + unsigned ip_addr_be32, int port_le16, + struct filter_resource_t **fh_out) +{ + struct efx_vi_state *efx_state = vih; + struct filter_resource *frs; + int rc; + +#if EFX_VI_STATIC_FILTERS + rc = get_filter(efx_state, efx_state->vi_res->rs.rs_handle, &frs); +#else + rc = efrm_filter_resource_alloc(efx_state->vi_res, &frs); +#endif + if (rc < 0) + return rc; + + /* Add the hardware filter. We pass in the source port and address + * as 0 (wildcard) to minimise the number of filters needed. */ + if (protocol == IPPROTO_TCP) { + rc = efrm_filter_resource_tcp_set(frs, 0, 0, ip_addr_be32, + port_le16); + } else { + rc = efrm_filter_resource_udp_set(frs, 0, 0, ip_addr_be32, + port_le16); + } + + *fh_out = (struct filter_resource_t *)frs; + + return rc; +} +EXPORT_SYMBOL(efx_vi_filter); + +int +efx_vi_filter_stop(struct efx_vi_state *vih, struct filter_resource_t *fh) +{ + struct efx_vi_state *efx_state = vih; + struct filter_resource *frs = (struct filter_resource *)fh; + int rc; + + rc = efrm_filter_resource_clear(frs); + release_filter(efx_state, frs); + + return rc; +} +EXPORT_SYMBOL(efx_vi_filter_stop); + +int +efx_vi_hw_resource_get_virt(struct efx_vi_state *vih, + struct efx_vi_hw_resource_metadata *mdata, + struct efx_vi_hw_resource *hw_res_array, + int *length) +{ + EFRM_NOTICE("%s: TODO!", __FUNCTION__); + + return 0; +} +EXPORT_SYMBOL(efx_vi_hw_resource_get_virt); + +#if defined(__CI_HARDWARE_CONFIG_FALCON__) +int +efx_vi_hw_resource_get_phys(struct efx_vi_state *vih, + struct efx_vi_hw_resource_metadata *mdata, + struct efx_vi_hw_resource *hw_res_array, + int *length) +{ + struct efx_vi_state *efx_state = vih; + int i, ni = efx_state->nic_index; + struct linux_efhw_nic *lnic = linux_efhw_nic(efrm_nic_table.nic[ni]); + unsigned long phys = lnic->ctr_ap_pci_addr; + struct efrm_resource *ep_res = &efx_state->vi_res->rs; + unsigned ep_mmap_bytes; + + if (*length < EFX_VI_HW_RESOURCE_MAXSIZE) + return -EINVAL; + + mdata->version = 0; + + mdata->nic_arch = efrm_nic_table.nic[ni]->devtype.arch; + mdata->nic_variant = efrm_nic_table.nic[ni]->devtype.variant; + mdata->nic_revision = efrm_nic_table.nic[ni]->devtype.revision; + + mdata->evq_order = + efx_state->vi_res->nic_info[ni].evq_pages.iobuff.order; + mdata->evq_offs = efx_state->vi_res->nic_info[ni].evq_pages.iobuff_off; + mdata->evq_capacity = efx_vi_eventq_size; + mdata->instance = EFRM_RESOURCE_INSTANCE(ep_res->rs_handle); + mdata->rx_capacity = FALCON_DMA_Q_DEFAULT_RX_SIZE; + mdata->tx_capacity = FALCON_DMA_Q_DEFAULT_TX_SIZE; + + ep_mmap_bytes = FALCON_DMA_Q_DEFAULT_MMAP; + EFRM_ASSERT(ep_mmap_bytes == PAGE_SIZE * 2); + +#ifndef NDEBUG + { + /* Sanity about doorbells */ + unsigned long tx_dma_page_addr, rx_dma_page_addr; + + /* get rx doorbell address */ + rx_dma_page_addr = + phys + falcon_rx_dma_page_addr(mdata->instance); + /* get tx doorbell address */ + tx_dma_page_addr = + phys + falcon_tx_dma_page_addr(mdata->instance); + + /* Check the lower bits of the TX doorbell will be + * consistent. */ + EFRM_ASSERT((TX_DESC_UPD_REG_PAGE4_OFST & + FALCON_DMA_PAGE_MASK) == + (TX_DESC_UPD_REG_PAGE123K_OFST & + FALCON_DMA_PAGE_MASK)); + + /* Check the lower bits of the RX doorbell will be + * consistent. */ + EFRM_ASSERT((RX_DESC_UPD_REG_PAGE4_OFST & + FALCON_DMA_PAGE_MASK) == + (RX_DESC_UPD_REG_PAGE123K_OFST & + FALCON_DMA_PAGE_MASK)); + + /* Check that the doorbells will be in the same page. */ + EFRM_ASSERT((TX_DESC_UPD_REG_PAGE4_OFST & PAGE_MASK) == + (RX_DESC_UPD_REG_PAGE4_OFST & PAGE_MASK)); + + /* Check that the doorbells are in the same page. */ + EFRM_ASSERT((tx_dma_page_addr & PAGE_MASK) == + (rx_dma_page_addr & PAGE_MASK)); + + /* Check that the TX doorbell offset is correct. */ + EFRM_ASSERT((TX_DESC_UPD_REG_PAGE4_OFST & ~PAGE_MASK) == + (tx_dma_page_addr & ~PAGE_MASK)); + + /* Check that the RX doorbell offset is correct. */ + EFRM_ASSERT((RX_DESC_UPD_REG_PAGE4_OFST & ~PAGE_MASK) == + (rx_dma_page_addr & ~PAGE_MASK)); + } +#endif + + i = 0; + hw_res_array[i].type = EFX_VI_HW_RESOURCE_TXDMAQ; + hw_res_array[i].mem_type = EFX_VI_HW_RESOURCE_PERIPHERAL; + hw_res_array[i].more_to_follow = 0; + hw_res_array[i].length = PAGE_SIZE; + hw_res_array[i].address = + (unsigned long)efx_state->vi_res->nic_info[ni]. + dmaq_pages[EFRM_VI_RM_DMA_QUEUE_TX].kva; + + i++; + hw_res_array[i].type = EFX_VI_HW_RESOURCE_RXDMAQ; + hw_res_array[i].mem_type = EFX_VI_HW_RESOURCE_PERIPHERAL; + hw_res_array[i].more_to_follow = 0; + hw_res_array[i].length = PAGE_SIZE; + hw_res_array[i].address = + (unsigned long)efx_state->vi_res->nic_info[ni]. + dmaq_pages[EFRM_VI_RM_DMA_QUEUE_RX].kva; + + /* NB EFX_VI_HW_RESOURCE_TXBELL not used on Falcon */ + /* NB EFX_VI_HW_RESOURCE_RXBELL not used on Falcon */ + + i++; + hw_res_array[i].type = EFX_VI_HW_RESOURCE_EVQTIMER; + hw_res_array[i].mem_type = EFX_VI_HW_RESOURCE_PERIPHERAL; + hw_res_array[i].more_to_follow = 0; + hw_res_array[i].length = PAGE_SIZE; + hw_res_array[i].address = + (unsigned long)phys + falcon_timer_page_addr(mdata->instance); + + /* NB EFX_VI_HW_RESOURCE_EVQPTR not used on Falcon */ + + i++; + switch (efrm_nic_table.nic[ni]->devtype.variant) { + case 'A': + hw_res_array[i].type = EFX_VI_HW_RESOURCE_EVQRPTR; + hw_res_array[i].mem_type = EFX_VI_HW_RESOURCE_PERIPHERAL; + hw_res_array[i].more_to_follow = 0; + hw_res_array[i].length = PAGE_SIZE; + hw_res_array[i].address = (unsigned long)phys + + EVQ_RPTR_REG_OFST + + (FALCON_REGISTER128 * mdata->instance); + break; + case 'B': + hw_res_array[i].type = EFX_VI_HW_RESOURCE_EVQRPTR_OFFSET; + hw_res_array[i].mem_type = EFX_VI_HW_RESOURCE_PERIPHERAL; + hw_res_array[i].more_to_follow = 0; + hw_res_array[i].length = PAGE_SIZE; + hw_res_array[i].address = + (unsigned long)FALCON_EVQ_RPTR_REG_P0; + break; + default: + EFRM_ASSERT(0); + break; + } + + i++; + hw_res_array[i].type = EFX_VI_HW_RESOURCE_EVQMEMKVA; + hw_res_array[i].mem_type = EFX_VI_HW_RESOURCE_IOBUFFER; + hw_res_array[i].more_to_follow = 0; + hw_res_array[i].length = PAGE_SIZE; + hw_res_array[i].address = (unsigned long)efx_state->vi_res-> + nic_info[ni].evq_pages.iobuff.kva; + + i++; + hw_res_array[i].type = EFX_VI_HW_RESOURCE_BELLPAGE; + hw_res_array[i].mem_type = EFX_VI_HW_RESOURCE_PERIPHERAL; + hw_res_array[i].more_to_follow = 0; + hw_res_array[i].length = PAGE_SIZE; + hw_res_array[i].address = + (unsigned long)(phys + + falcon_tx_dma_page_addr(mdata->instance)) + >> PAGE_SHIFT; + + i++; + + EFRM_ASSERT(i <= *length); + + *length = i; + + return 0; +} +EXPORT_SYMBOL(efx_vi_hw_resource_get_phys); +#endif diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/eventq.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/eventq.c Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,320 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains event queue support. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#include <ci/efhw/debug.h> +#include <ci/efhw/iopage.h> +#include <ci/driver/efab/hardware.h> +#include <ci/efhw/eventq.h> +#include <ci/efhw/falcon.h> +#include <ci/efhw/nic.h> + +#define KEVENTQ_MAGIC 0x07111974 + +/*! Helper function to allocate the iobuffer needed by an eventq + * - it ensures the eventq has the correct alignment for the NIC + * + * \param rm Event-queue resource manager + * \param instance Event-queue instance (index) + * \param buf_bytes Requested size of eventq + * \return < 0 if iobuffer allocation fails + */ +int +efhw_nic_event_queue_alloc_iobuffer(struct efhw_nic *nic, + struct eventq_resource_hardware *h, + int evq_instance, unsigned buf_bytes) +{ + unsigned int page_order; + int rc; + + /* Allocate an iobuffer. */ + page_order = get_order(buf_bytes); + + h->iobuff_off = 0; + + EFHW_TRACE("allocating eventq size %x", + 1u << (page_order + PAGE_SHIFT)); + rc = efhw_iopages_alloc(nic, &h->iobuff, page_order); + if (rc < 0) { + EFHW_WARN("%s: failed to allocate %u pages", + __FUNCTION__, 1u << page_order); + return rc; + } + + /* Set the eventq pages to match EFHW_CLEAR_EVENT() */ + if (EFHW_CLEAR_EVENT_VALUE) + memset(efhw_iopages_ptr(&h->iobuff) + h->iobuff_off, + EFHW_CLEAR_EVENT_VALUE, (1u << page_order) * PAGE_SIZE); + + EFHW_TRACE("%s: allocated %u pages", __FUNCTION__, 1u << (page_order)); + + /* For Falcon the NIC is programmed with the base buffer address of a + * contiguous region of buffer space. This means that larger than a + * PAGE event queues can be expected to allocate even when the host's + * physical memory is fragmented */ + EFHW_ASSERT(efhw_nic_have_hw(nic)); + EFHW_ASSERT(page_order <= h->buf_tbl_alloc.order); + + /* Initialise the buffer table entries. */ + falcon_nic_buffer_table_set_n(nic, h->buf_tbl_alloc.base, + efhw_iopages_dma_addr(&h->iobuff) + + h->iobuff_off, EFHW_NIC_PAGE_SIZE, 0, + 1 << page_order, 0); + + if (evq_instance >= FALCON_EVQ_TBL_RESERVED) + falcon_nic_buffer_table_confirm(nic); + return 0; +} + +/********************************************************************** + * Kernel event queue management. + */ + +/* Values for [struct efhw_keventq::lock] field. */ +#define KEVQ_UNLOCKED 0 +#define KEVQ_LOCKED 1 +#define KEVQ_RECHECK 2 + +int +efhw_keventq_ctor(struct efhw_nic *nic, int instance, + struct efhw_keventq *evq, + struct efhw_ev_handler *ev_handlers) +{ + int rc; + unsigned buf_bytes = evq->hw.capacity * sizeof(efhw_event_t); + + evq->instance = instance; + evq->ev_handlers = ev_handlers; + + /* allocate an IObuffer for the eventq */ + rc = efhw_nic_event_queue_alloc_iobuffer(nic, &evq->hw, evq->instance, + buf_bytes); + if (rc < 0) + return rc; + + /* Zero the timer-value for this queue. + AND Tell the nic about the event queue. */ + efhw_nic_event_queue_enable(nic, evq->instance, evq->hw.capacity, + efhw_iopages_dma_addr(&evq->hw.iobuff) + + evq->hw.iobuff_off, + evq->hw.buf_tbl_alloc.base); + + evq->lock = KEVQ_UNLOCKED; + evq->evq_base = efhw_iopages_ptr(&evq->hw.iobuff) + evq->hw.iobuff_off; + evq->evq_ptr = 0; + evq->evq_mask = (evq->hw.capacity * sizeof(efhw_event_t)) - 1u; + + EFHW_TRACE("%s: [%d] base=%p end=%p", __FUNCTION__, evq->instance, + evq->evq_base, evq->evq_base + buf_bytes); + + return 0; +} + +void efhw_keventq_dtor(struct efhw_nic *nic, struct efhw_keventq *evq) +{ + EFHW_ASSERT(evq); + + EFHW_TRACE("%s: [%d]", __FUNCTION__, evq->instance); + + /* Zero the timer-value for this queue. + And Tell NIC to stop using this event queue. */ + efhw_nic_event_queue_disable(nic, evq->instance, 0); + + /* free the pages used by the eventq itself */ + efhw_iopages_free(nic, &evq->hw.iobuff); +} + +void +efhw_handle_txdmaq_flushed(struct efhw_nic *nic, struct efhw_ev_handler *h, + efhw_event_t *evp) +{ + int instance = (int)FALCON_EVENT_TX_FLUSH_Q_ID(evp); + EFHW_TRACE("%s: instance=%d", __FUNCTION__, instance); + + if (!h->dmaq_flushed_fn) { + EFHW_WARN("%s: no handler registered", __FUNCTION__); + return; + } + + h->dmaq_flushed_fn(nic, instance, false); +} + +void +efhw_handle_rxdmaq_flushed(struct efhw_nic *nic, struct efhw_ev_handler *h, + efhw_event_t *evp) +{ + int instance = (int)FALCON_EVENT_RX_FLUSH_Q_ID(evp); + EFHW_TRACE("%s: instance=%d", __FUNCTION__, instance); + + if (!h->dmaq_flushed_fn) { + EFHW_WARN("%s: no handler registered", __FUNCTION__); + return; + } + + h->dmaq_flushed_fn(nic, instance, true); +} + +void +efhw_handle_wakeup_event(struct efhw_nic *nic, struct efhw_ev_handler *h, + efhw_event_t *evp) +{ + if (!h->wakeup_fn) { + EFHW_WARN("%s: no handler registered", __FUNCTION__); + return; + } + + h->wakeup_fn(nic, evp); +} + +void +efhw_handle_timeout_event(struct efhw_nic *nic, struct efhw_ev_handler *h, + efhw_event_t *evp) +{ + if (!h->timeout_fn) { + EFHW_WARN("%s: no handler registered", __FUNCTION__); + return; + } + + h->timeout_fn(nic, evp); +} + +/********************************************************************** + * Kernel event queue event handling. + */ + +int efhw_keventq_poll(struct efhw_nic *nic, struct efhw_keventq *q) +{ + efhw_event_t *ev; + int l, count = 0; + + EFHW_ASSERT(nic); + EFHW_ASSERT(q); + EFHW_ASSERT(q->ev_handlers); + + /* Acquire the lock, or mark the queue as needing re-checking. */ + for (;;) { + l = q->lock; + if (l == KEVQ_UNLOCKED) { + if ((int)cmpxchg(&q->lock, l, KEVQ_LOCKED) == l) + break; + } else if (l == KEVQ_LOCKED) { + if ((int)cmpxchg(&q->lock, l, KEVQ_RECHECK) == l) + return 0; + } else { /* already marked for re-checking */ + EFHW_ASSERT(l == KEVQ_RECHECK); + return 0; + } + } + + if (unlikely(EFHW_EVENT_OVERFLOW(q, q))) + goto overflow; + + ev = EFHW_EVENT_PTR(q, q, 0); + +#ifndef NDEBUG + if (!EFHW_IS_EVENT(ev)) + EFHW_TRACE("%s: %d NO EVENTS!", __FUNCTION__, q->instance); +#endif + + for (;;) { + /* Convention for return codes for handlers is: + ** 0 - no error, event consumed + ** 1 - no error, event not consumed + ** -ve - error, event not consumed + */ + if (likely(EFHW_IS_EVENT(ev))) { + count++; + + switch (FALCON_EVENT_CODE(ev)) { + +#if defined(__CI_HARDWARE_CONFIG_FALCON__) + case FALCON_EVENT_CODE_CHAR: + falcon_handle_char_event(nic, q->ev_handlers, + ev); + break; +#endif + + default: + EFHW_ERR("efhw_keventq_poll: [%d] UNEXPECTED " + "EVENT:"FALCON_EVENT_FMT, + q->instance, + FALCON_EVENT_PRI_ARG(*ev)); + } + + EFHW_CLEAR_EVENT(ev); + EFHW_EVENTQ_NEXT(q); + + ev = EFHW_EVENT_PTR(q, q, 0); + } else { + /* No events left. Release the lock (checking if we + * need to re-poll to avoid race). */ + l = q->lock; + if (l == KEVQ_LOCKED) { + if ((int)cmpxchg(&q->lock, l, KEVQ_UNLOCKED) + == l) { + EFHW_TRACE + ("efhw_keventq_poll: %d clean exit", + q->instance); + goto clean_exit; + } + } + + /* Potentially more work to do. */ + l = q->lock; + EFHW_ASSERT(l == KEVQ_RECHECK); + EFHW_TEST((int)cmpxchg(&q->lock, l, KEVQ_LOCKED) == l); + EFHW_TRACE("efhw_keventq_poll: %d re-poll required", + q->instance); + } + } + + /* shouldn't get here */ + EFHW_ASSERT(0); + +overflow: + /* ?? Oh dear. Should we poll everything that could have possibly + ** happened? Or merely cry out in anguish... + */ + EFHW_WARN("efhw_keventq_poll: %d ***** OVERFLOW nic %d *****", + q->instance, nic->index); + + q->lock = KEVQ_UNLOCKED; + return count; + +clean_exit: +#if defined(__CI_HARDWARE_CONFIG_FALCON__) + /* Ack the processed events so that this event queue can potentially + raise interrupts again */ + falcon_nic_evq_ack(nic, q->instance, + (EFHW_EVENT_OFFSET(q, q, 0) / sizeof(efhw_event_t)), + false); +#endif + return count; +} diff -r fc90e9b2c12b -r e4dd072db259 drivers/net/sfc/sfc_resource/falcon.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/net/sfc/sfc_resource/falcon.c Mon Feb 18 10:29:29 2008 +0000 @@ -0,0 +1,2758 @@ +/**************************************************************************** + * Driver for Solarflare network controllers - + * resource management for Xen backend, OpenOnload, etc + * (including support for SFE4001 10GBT NIC) + * + * This file contains Falcon hardware support. + * + * Copyright 2005-2007: Solarflare Communications Inc, + * 9501 Jeronimo Road, Suite 250, + * Irvine, CA 92618, USA + * + * Developed and maintained by Solarflare Communications: + * <linux-xen-drivers@xxxxxxxxxxxxxx> + * <onload-dev@xxxxxxxxxxxxxx> + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + **************************************************************************** + */ + +#include <ci/driver/efab/hardware.h> +#include <ci/efhw/debug.h> +#include <ci/efhw/iopage.h> +#include <ci/efhw/falcon.h> +#include <ci/efhw/falcon_hash.h> +#include <ci/efhw/nic.h> +#include <ci/efhw/eventq.h> +#include <ci/efhw/checks.h> + + +/*---------------------------------------------------------------------------- + * + * Workarounds and options + * + *---------------------------------------------------------------------------*/ + +/* on for debug builds */ +#ifndef NDEBUG +# define FALCON_FULL_FILTER_CACHE 1 /* complete SW shadow of filter tbl */ +# define FALCON_VERIFY_FILTERS 0 +#else /* Also adds duplicate filter check */ +# define FALCON_FULL_FILTER_CACHE 1 /* keep this on for some security */ +# define FALCON_VERIFY_FILTERS 0 +#endif + +/* options */ +#define RX_FILTER_CTL_SRCH_LIMIT_TCP_FULL 8 /* default search limit */ +#define RX_FILTER_CTL_SRCH_LIMIT_TCP_WILD 8 /* default search limit */ +#define RX_FILTER_CTL_SRCH_LIMIT_UDP_FULL 8 /* default search limit */ +#define RX_FILTER_CTL_SRCH_LIMIT_UDP_WILD 8 /* default search limit */ +#define RX_FILTER_CTL_SRCH_FUDGE_WILD 3 /* increase the search limit */ +#define RX_FILTER_CTL_SRCH_FUDGE_FULL 1 /* increase the search limit */ + +#define FALCON_MAC_SET_TYPE_BY_SPEED 1 + +/* FIXME: We should detect mode at runtime. */ +#define FALCON_BUFFER_TABLE_FULL_MODE 1 + +/*---------------------------------------------------------------------------- + * + * Debug Macros + * + *---------------------------------------------------------------------------*/ + +#ifndef __KERNEL__ +#define _DEBUG_SYM_ extern +#else +#define _DEBUG_SYM_ static inline +#endif + + /*---------------------------------------------------------------------------- + * + * Macros and forward declarations + * + *--------------------------------------------------------------------------*/ + +#define FALCON_REGION_NUM 4 /* number of supported memory regions */ + +#define FALCON_BUFFER_TBL_HALF_BYTES 4 +#define FALCON_BUFFER_TBL_FULL_BYTES 8 + +/* Shadow buffer table - hack for testing only */ +#if FALCON_BUFFER_TABLE_FULL_MODE == 0 +# define FALCON_USE_SHADOW_BUFFER_TABLE 1 +#else +# define FALCON_USE_SHADOW_BUFFER_TABLE 0 +#endif + +#if FALCON_USE_SHADOW_BUFFER_TABLE +static uint64_t _falcon_buffer_table[FALCON_BUFFER_TBL_NUM]; +#endif + +/*---------------------------------------------------------------------------- + * + * Header assertion checks + * + *---------------------------------------------------------------------------*/ + +#define FALCON_ASSERT_VALID() /* nothing yet */ + +/* Falcon has a 128bit register model but most registers have useful + defaults or only implement a small number of bits. Some registers + can be programmed 32bits UNLOCKED all others should be interlocked + against other threads within the same protection domain. + + Aim is for software to perform the minimum number of writes and + also to minimise the read-modify-write activity (which generally + indicates a lack of clarity in the use model). + + Registers which are programmed in this module are listed below + together with the method of access. Care must be taken to ensure + remain adequate if the register spec changes. + + All 128bits programmed + FALCON_BUFFER_TBL_HALF + RX_FILTER_TBL + TX_DESC_PTR_TBL + RX_DESC_PTR_TBL + DRV_EV_REG + + All 64bits programmed + FALCON_BUFFER_TBL_FULL + + 32 bits are programmed (UNLOCKED) + EVQ_RPTR_REG + + Low 64bits programmed remainder are written with a random number + RX_DC_CFG_REG + TX_DC_CFG_REG + SRM_RX_DC_CFG_REG + SRM_TX_DC_CFG_REG + BUF_TBL_CFG_REG + BUF_TBL_UPD_REG + SRM_UPD_EVQ_REG + EVQ_PTR_TBL + TIMER_CMD_REG + TX_PACE_TBL + FATAL_INTR_REG + INT_EN_REG (When enabling interrupts) + TX_FLUSH_DESCQ_REG + RX_FLUSH_DESCQ + + Read Modify Write on low 32bits remainder are written with a random number + INT_EN_REG (When sending a driver interrupt) + DRIVER_REGX + + Read Modify Write on low 64bits remainder are written with a random number + SRM_CFG_REG_OFST + RX_CFG_REG_OFST + RX_FILTER_CTL_REG + + Read Modify Write on full 128bits + TXDP_RESERVED_REG (aka TXDP_UNDOCUMENTED) + TX_CFG_REG + +*/ + +/*---------------------------------------------------------------------------- + * + * Filters static data + * + *---------------------------------------------------------------------------*/ + +/* Defaults are set here to support dma.c */ +static unsigned tcp_full_srch_limit = RX_FILTER_CTL_SRCH_LIMIT_TCP_FULL; +static unsigned tcp_wild_srch_limit = RX_FILTER_CTL_SRCH_LIMIT_TCP_WILD; +static unsigned udp_full_srch_limit = RX_FILTER_CTL_SRCH_LIMIT_UDP_FULL; +static unsigned udp_wild_srch_limit = RX_FILTER_CTL_SRCH_LIMIT_UDP_WILD; + +#if FALCON_VERIFY_FILTERS +static void _falcon_nic_ipfilter_sanity(struct efhw_nic *nic); +#endif + +/*---------------------------------------------------------------------------- + * + * Filters low-level register interface + * + *---------------------------------------------------------------------------*/ + +/* Build the filter entry */ +static void +_falcon_nic_ipfilter_build(struct efhw_nic *nic, + int tcp, int full, int rss_b0, int scat_b0, + uint filter_i, uint dmaq_id, + unsigned saddr_le32, unsigned sport_le16, + unsigned daddr_le32, unsigned dport_le16, + uint64_t *q0, uint64_t *q1) +{ + uint64_t v1, v2, v3, v4; + int type = tcp << 4 | full; + + v4 = (((!tcp) << __DW4(TCP_UDP_1_LBN)) | + (dmaq_id << __DW4(RXQ_ID_1_LBN))); + + switch (nic->devtype.variant) { + case 'A': + EFHW_ASSERT(!rss_b0); + break; + case 'B': + v4 |= scat_b0 << __DW4(SCATTER_EN_1_B0_LBN); + v4 |= rss_b0 << __DW4(RSS_EN_1_B0_LBN); + break; + default: + EFHW_ASSERT(0); + break; + } + + v3 = daddr_le32; + + switch (type) { + + case 0x11: /* TCP_FULL */ + case 0x01: /* UDP_FULL */ + v2 = ((dport_le16 << __DW2(DEST_PORT_TCP_1_LBN)) | + (__HIGH(saddr_le32, SRC_IP_1_LBN, SRC_IP_1_WIDTH))); + v1 = ((__LOW(saddr_le32, SRC_IP_1_LBN, SRC_IP_1_WIDTH)) | + (sport_le16 << SRC_TCP_DEST_UDP_1_LBN)); + break; + + case 0x10: /* TCP_WILD */ + v2 = ((uint64_t) dport_le16 << __DW2(DEST_PORT_TCP_1_LBN)); + v1 = 0; + break; + + case 0x00: /* UDP_WILD */ + v2 = 0; + v1 = ((uint64_t) dport_le16 << SRC_TCP_DEST_UDP_0_LBN); + break; + + default: + EFHW_ASSERT(0); + v2 = 0; + v1 = 0; + } + + *q0 = (v2 << 32) | v1; + *q1 = (v4 << 32) | v3; +} + +static void +_falcon_nic_ipfilter_set(struct efhw_nic *nic, int tcp, + int full, int rss_b0, int scat_b0, + uint filter_i, uint dmaq_id, + unsigned saddr_le32, unsigned sport_le16, + unsigned daddr_le32, unsigned dport_le16) +{ + uint64_t q0, q1; + + /* wish you wouldn't do this */ + EFHW_BUILD_ASSERT(RX_FILTER_TBL1_OFST == + RX_FILTER_TBL0_OFST + FALCON_REGISTER128); + EFHW_BUILD_ASSERT(TCP_UDP_1_LBN == TCP_UDP_0_LBN); + EFHW_BUILD_ASSERT(RXQ_ID_1_LBN == RXQ_ID_0_LBN); + EFHW_BUILD_ASSERT(DEST_IP_1_LBN == DEST_IP_0_LBN); + EFHW_BUILD_ASSERT(DEST_PORT_TCP_1_LBN == DEST_PORT_TCP_0_LBN); + EFHW_BUILD_ASSERT(SRC_IP_1_LBN == SRC_IP_0_LBN); + EFHW_BUILD_ASSERT(SRC_TCP_DEST_UDP_1_LBN == SRC_TCP_DEST_UDP_0_LBN); + EFHW_BUILD_ASSERT(SCATTER_EN_1_B0_LBN == SCATTER_EN_0_B0_LBN); + EFHW_BUILD_ASSERT(RSS_EN_1_B0_LBN == RSS_EN_0_B0_LBN); + + EFHW_BUILD_ASSERT(TCP_UDP_1_WIDTH == TCP_UDP_0_WIDTH); + EFHW_BUILD_ASSERT(RXQ_ID_1_WIDTH == RXQ_ID_0_WIDTH); + EFHW_BUILD_ASSERT(DEST_IP_1_WIDTH == DEST_IP_0_WIDTH); + EFHW_BUILD_ASSERT(DEST_PORT_TCP_1_WIDTH == DEST_PORT_TCP_0_WIDTH); + EFHW_BUILD_ASSERT(SRC_IP_1_WIDTH == SRC_IP_0_WIDTH); + EFHW_BUILD_ASSERT(SRC_TCP_DEST_UDP_1_WIDTH == SRC_TCP_DEST_UDP_0_WIDTH); + EFHW_BUILD_ASSERT(SCATTER_EN_1_B0_WIDTH == SCATTER_EN_0_B0_WIDTH); + EFHW_BUILD_ASSERT(RSS_EN_1_B0_WIDTH == RSS_EN_0_B0_WIDTH); + + /* TODO: Use filter table 1 as well */ + ulong offset = RX_FILTER_TBL0_OFST + filter_i * 2 * FALCON_REGISTER128; + + EFHW_TRACE("%s[%x]: offset=%lx", __FUNCTION__, filter_i, offset); + + EFHW_TRACE("%s[%x]: filter %d tcp %d full %d src=%x:%x dest=%x:%x%s%s", + __FUNCTION__, filter_i, tcp, full, dmaq_id, + saddr_le32, sport_le16, daddr_le32, dport_le16, + rss_b0 ? " RSS" : "", scat_b0 ? " SCAT" : ""); + + EFHW_ASSERT(filter_i < nic->filter_tbl_size); + + /* dword 4 */ + __DW4CHCK(TCP_UDP_1_LBN, TCP_UDP_1_WIDTH); + __DW4CHCK(RXQ_ID_1_LBN, RXQ_ID_1_WIDTH); + + __RANGECHCK(tcp, TCP_UDP_1_WIDTH); + __RANGECHCK(dmaq_id, RXQ_ID_1_WIDTH); + + /* dword 3 */ + __DW3CHCK(DEST_IP_1_LBN, DEST_IP_1_WIDTH); + __RANGECHCK(daddr_le32, DEST_IP_1_WIDTH); + + /* dword 2 */ + __DW2CHCK(DEST_PORT_TCP_1_LBN, DEST_PORT_TCP_1_WIDTH); + __LWCHK(SRC_IP_1_LBN, SRC_IP_1_WIDTH); + __RANGECHCK(saddr_le32, SRC_IP_1_WIDTH); + + /* dword 1 */ + __DWCHCK(SRC_TCP_DEST_UDP_1_LBN, SRC_TCP_DEST_UDP_1_WIDTH); + __RANGECHCK(sport_le16, SRC_TCP_DEST_UDP_1_WIDTH); + __RANGECHCK(dport_le16, SRC_TCP_DEST_UDP_1_WIDTH); + + /* Falcon requires 128 bit atomic access for this register */ + _falcon_nic_ipfilter_build(nic, tcp, full, rss_b0, scat_b0, + filter_i, dmaq_id, saddr_le32, sport_le16, + daddr_le32, dport_le16, &q0, &q1); + + EFHW_TRACE("%s[%x]@%p+%lx: %" PRIx64 " %" PRIx64, __FUNCTION__, + filter_i, EFHW_KVA(nic), offset, q0, q1); + + falcon_write_qq(EFHW_KVA(nic) + offset, q0, q1); + mmiowb(); + +#if FALCON_VERIFY_FILTERS + { + uint64_t q0read, q1read; + + /* Read a different entry first - entry BIU flushed shadow */ + falcon_read_qq(EFHW_KVA(nic) + offset+0x10, &q0read, &q1read); + falcon_read_qq(EFHW_KVA(nic) + offset, &q0read, &q1read); + EFHW_ASSERT(q0read == q0); + EFHW_ASSERT(q1read == q1); + + _falcon_nic_ipfilter_sanity(nic); + } +#endif +} + +static void _falcon_nic_ipfilter_clear(struct efhw_nic *nic, uint filter_i) +{ + /* TODO: Use filter table 1 as well */ + ulong offset = RX_FILTER_TBL0_OFST + filter_i * 2 * FALCON_REGISTER128; + + EFHW_ASSERT(filter_i < nic->filter_tbl_size); + + EFHW_TRACE("%s[%x]", __FUNCTION__, filter_i); + + /* Falcon requires 128 bit atomic access for this register */ + falcon_write_qq(EFHW_KVA(nic) + offset, 0, 0); + mmiowb(); +#if FALCON_VERIFY_FILTERS + { + uint64_t q0read, q1read; + + /* Read a different entry first - entry BIU flushed shadow */ + falcon_read_qq(EFHW_KVA(nic) + offset+0x10, &q0read, &q1read); + falcon_read_qq(EFHW_KVA(nic) + offset, &q0read, &q1read); + EFHW_ASSERT(q0read == 0); + EFHW_ASSERT(q1read == 0); + + _falcon_nic_ipfilter_sanity(nic); + } +#endif +} + +/*---------------------------------------------------------------------------- + * + * DMAQ low-level register interface + * + *---------------------------------------------------------------------------*/ + +static unsigned dmaq_sizes[] = { + 512, + EFHW_1K, + EFHW_2K, + EFHW_4K, +}; + +#define N_DMAQ_SIZES (sizeof(dmaq_sizes) / sizeof(dmaq_sizes[0])) + +static inline ulong falcon_dma_tx_q_offset(struct efhw_nic *nic, unsigned dmaq) +{ + EFHW_ASSERT(dmaq < FALCON_DMAQ_NUM); + return TX_DESC_PTR_TBL_OFST + dmaq * FALCON_REGISTER128; +} + +static inline uint falcon_dma_tx_q_size_index(uint dmaq_size) +{ + uint i; + + /* size must be one of the various options, otherwise we assert */ + for (i = 0; i < N_DMAQ_SIZES; i++) { + if (dmaq_size == dmaq_sizes[i]) + break; + } + EFHW_ASSERT(i < N_DMAQ_SIZES); + return i; +} + +static void +falcon_dmaq_tx_q_init(struct efhw_nic *nic, + uint dmaq, uint evq_id, uint own_id, + uint tag, uint dmaq_size, uint buf_idx, uint flags) +{ + FALCON_LOCK_DECL; + uint index, desc_type; + uint64_t val1, val2, val3; + ulong offset; + efhw_ioaddr_t efhw_kva = EFHW_KVA(nic); + + /* Q attributes */ + int iscsi_hdig_en = ((flags & EFHW_VI_ISCSI_TX_HDIG_EN) != 0); + int iscsi_ddig_en = ((flags & EFHW_VI_ISCSI_TX_DDIG_EN) != 0); + int csum_ip_dis = ((flags & EFHW_VI_TX_IP_CSUM_DIS) != 0); + int csum_tcp_dis = ((flags & EFHW_VI_TX_TCPUDP_CSUM_DIS) != 0); + int non_ip_drop_dis = ((flags & EFHW_VI_TX_TCPUDP_ONLY) == 0); + + /* initialise the TX descriptor queue pointer table */ + + /* NB physical vs buffer addressing is determined by the Queue ID. */ + + offset = falcon_dma_tx_q_offset(nic, dmaq); + index = falcon_dma_tx_q_size_index(dmaq_size); + + /* allow VI flag to override this queue's descriptor type */ + desc_type = (flags & EFHW_VI_TX_PHYS_ADDR_EN) ? 0 : 1; + + /* bug9403: It is dangerous to allow buffer-addressed queues to + * have owner_id=0. */ + EFHW_ASSERT((own_id > 0) || desc_type == 0); + + /* dword 1 */ + __DWCHCK(TX_DESCQ_FLUSH_LBN, TX_DESCQ_FLUSH_WIDTH); + __DWCHCK(TX_DESCQ_TYPE_LBN, TX_DESCQ_TYPE_WIDTH); + __DWCHCK(TX_DESCQ_SIZE_LBN, TX_DESCQ_SIZE_WIDTH); + __DWCHCK(TX_DESCQ_LABEL_LBN, TX_DESCQ_LABEL_WIDTH); + __DWCHCK(TX_DESCQ_OWNER_ID_LBN, TX_DESCQ_OWNER_ID_WIDTH); + + __LWCHK(TX_DESCQ_EVQ_ID_LBN, TX_DESCQ_EVQ_ID_WIDTH); + + __RANGECHCK(1, TX_DESCQ_FLUSH_WIDTH); + __RANGECHCK(desc_type, TX_DESCQ_TYPE_WIDTH); + __RANGECHCK(index, TX_DESCQ_SIZE_WIDTH); + __RANGECHCK(tag, TX_DESCQ_LABEL_WIDTH); + __RANGECHCK(own_id, TX_DESCQ_OWNER_ID_WIDTH); + __RANGECHCK(evq_id, TX_DESCQ_EVQ_ID_WIDTH); + + val1 = ((desc_type << TX_DESCQ_TYPE_LBN) | + (index << TX_DESCQ_SIZE_LBN) | + (tag << TX_DESCQ_LABEL_LBN) | + (own_id << TX_DESCQ_OWNER_ID_LBN) | + (__LOW(evq_id, TX_DESCQ_EVQ_ID_LBN, TX_DESCQ_EVQ_ID_WIDTH))); + + /* dword 2 */ + __DW2CHCK(TX_DESCQ_BUF_BASE_ID_LBN, TX_DESCQ_BUF_BASE_ID_WIDTH); + __RANGECHCK(buf_idx, TX_DESCQ_BUF_BASE_ID_WIDTH); + + val2 = ((__HIGH(evq_id, TX_DESCQ_EVQ_ID_LBN, TX_DESCQ_EVQ_ID_WIDTH)) | + (buf_idx << __DW2(TX_DESCQ_BUF_BASE_ID_LBN))); + + /* dword 3 */ + __DW3CHCK(TX_ISCSI_HDIG_EN_LBN, TX_ISCSI_HDIG_EN_WIDTH); + __DW3CHCK(TX_ISCSI_DDIG_EN_LBN, TX_ISCSI_DDIG_EN_WIDTH); + __RANGECHCK(iscsi_hdig_en, TX_ISCSI_HDIG_EN_WIDTH); + __RANGECHCK(iscsi_ddig_en, TX_ISCSI_DDIG_EN_WIDTH); + + val3 = ((iscsi_hdig_en << __DW3(TX_ISCSI_HDIG_EN_LBN)) | + (iscsi_ddig_en << __DW3(TX_ISCSI_DDIG_EN_LBN)) | + (1 << __DW3(TX_DESCQ_EN_LBN))); /* queue enable bit */ + + switch (nic->devtype.variant) { + case 'B': + __DW3CHCK(TX_NON_IP_DROP_DIS_B0_LBN, + TX_NON_IP_DROP_DIS_B0_WIDTH); + __DW3CHCK(TX_IP_CHKSM_DIS_B0_LBN, TX_IP_CHKSM_DIS_B0_WIDTH); + __DW3CHCK(TX_TCP_CHKSM_DIS_B0_LBN, TX_TCP_CHKSM_DIS_B0_WIDTH); + + val3 |= ((non_ip_drop_dis << __DW3(TX_NON_IP_DROP_DIS_B0_LBN))| + (csum_ip_dis << __DW3(TX_IP_CHKSM_DIS_B0_LBN)) | + (csum_tcp_dis << __DW3(TX_TCP_CHKSM_DIS_B0_LBN))); + break; + case 'A': + if (csum_ip_dis || csum_tcp_dis || !non_ip_drop_dis) + EFHW_WARN + ("%s: bad settings for A1 csum_ip_dis=%d " + "csum_tcp_dis=%d non_ip_drop_dis=%d", + __FUNCTION__, csum_ip_dis, + csum_tcp_dis, non_ip_drop_dis); + break; + default: + EFHW_ASSERT(0); + break; + } + + EFHW_TRACE("%s: txq %x evq %u tag %x id %x buf %x " + "%x:%x:%x->%" PRIx64 ":%" PRIx64 ":%" PRIx64, + __FUNCTION__, + dmaq, evq_id, tag, own_id, buf_idx, dmaq_size, + iscsi_hdig_en, iscsi_ddig_en, val1, val2, val3); + + /* Falcon requires 128 bit atomic access for this register */ + FALCON_LOCK_LOCK(nic); + falcon_write_qq(efhw_kva + offset, ((val2 << 32) | val1), val3); + mmiowb(); + FALCON_LOCK_UNLOCK(nic); + return; +} + +static inline ulong +falcon_dma_rx_q_offset(struct efhw_nic *nic, unsigned dmaq) +{ + EFHW_ASSERT(dmaq < FALCON_DMAQ_NUM); + return RX_DESC_PTR_TBL_OFST + dmaq * FALCON_REGISTER128; +} + +static void +falcon_dmaq_rx_q_init(struct efhw_nic *nic, + uint dmaq, uint evq_id, uint own_id, + uint tag, uint dmaq_size, uint buf_idx, uint flags) +{ + FALCON_LOCK_DECL; + uint i, desc_type = 1; + uint64_t val1, val2, val3; + ulong offset; + efhw_ioaddr_t efhw_kva = EFHW_KVA(nic); + + /* Q attributes */ +#if BUG5762_WORKAROUND + int jumbo = 1; /* Queues must not have mixed types */ +#else + int jumbo = ((flags & EFHW_VI_JUMBO_EN) != 0); +#endif + int iscsi_hdig_en = ((flags & EFHW_VI_ISCSI_RX_HDIG_EN) != 0); + int iscsi_ddig_en = ((flags & EFHW_VI_ISCSI_RX_DDIG_EN) != 0); + + /* initialise the TX descriptor queue pointer table */ + offset = falcon_dma_rx_q_offset(nic, dmaq); + + /* size must be one of the various options, otherwise we assert */ + for (i = 0; i < N_DMAQ_SIZES; i++) { + if (dmaq_size == dmaq_sizes[i]) + break; + } + EFHW_ASSERT(i < N_DMAQ_SIZES); + + /* allow VI flag to override this queue's descriptor type */ + desc_type = (flags & EFHW_VI_RX_PHYS_ADDR_EN) ? 0 : 1; + + /* bug9403: It is dangerous to allow buffer-addressed queues to have + * owner_id=0 */ + EFHW_ASSERT((own_id > 0) || desc_type == 0); + + /* dword 1 */ _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
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