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[Xen-changelog] [xen-unstable] [IA64] Use sn_sal.h directly from upstream Linux



# HG changeset patch
# User awilliam@xxxxxxxxxxxx
# Date 1166119297 25200
# Node ID 97a369d8da431f304f3250418d84810331d91c9a
# Parent  d45d361c8ad04486b4b245bdde25ff085dcd28ca
[IA64] Use sn_sal.h directly from upstream Linux

Take a straight copy of sn_sal.h from linux 2.6.19 - there is no reason
to hide parts of this file as it's all macros and inline functions

Signed-off-by: Jes Sorensen <jes@xxxxxxx>
---
 xen/include/asm-ia64/linux-xen/asm/sn/sn_sal.h      | 1161 --------------------
 xen/include/asm-ia64/linux-xen/asm/sn/README.origin |    1 
 xen/include/asm-ia64/linux/asm/sn/README.origin     |    1 
 xen/include/asm-ia64/linux/asm/sn/sn_sal.h          | 1157 +++++++++++++++++++
 4 files changed, 1158 insertions(+), 1162 deletions(-)

diff -r d45d361c8ad0 -r 97a369d8da43 
xen/include/asm-ia64/linux-xen/asm/sn/README.origin
--- a/xen/include/asm-ia64/linux-xen/asm/sn/README.origin       Wed Dec 13 
15:23:28 2006 -0700
+++ b/xen/include/asm-ia64/linux-xen/asm/sn/README.origin       Thu Dec 14 
11:01:37 2006 -0700
@@ -13,5 +13,4 @@ nodepda.h             -> linux/include/asm-ia64/sn/
 nodepda.h              -> linux/include/asm-ia64/sn/nodepda.h
 pcibr_provider.h       -> linux/include/asm-ia64/sn/pcibr_provider.h
 rw_mmr.h               -> linux/include/asm-ia64/sn/rw_mmr.h
-sn_sal.h               -> linux/include/asm-ia64/sn/sn_sal.h
 types.h                        -> linux/include/asm-ia64/sn/types.h
diff -r d45d361c8ad0 -r 97a369d8da43 
xen/include/asm-ia64/linux-xen/asm/sn/sn_sal.h
--- a/xen/include/asm-ia64/linux-xen/asm/sn/sn_sal.h    Wed Dec 13 15:23:28 
2006 -0700
+++ /dev/null   Thu Jan 01 00:00:00 1970 +0000
@@ -1,1161 +0,0 @@
-#ifndef _ASM_IA64_SN_SN_SAL_H
-#define _ASM_IA64_SN_SN_SAL_H
-
-/*
- * System Abstraction Layer definitions for IA64
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (c) 2000-2006 Silicon Graphics, Inc.  All rights reserved.
- */
-
-
-#include <asm/sal.h>
-#include <asm/sn/sn_cpuid.h>
-#include <asm/sn/arch.h>
-#include <asm/sn/geo.h>
-#include <asm/sn/nodepda.h>
-#include <asm/sn/shub_mmr.h>
-
-// SGI Specific Calls
-#define  SN_SAL_POD_MODE                           0x02000001
-#define  SN_SAL_SYSTEM_RESET                       0x02000002
-#define  SN_SAL_PROBE                              0x02000003
-#define  SN_SAL_GET_MASTER_NASID                   0x02000004
-#define         SN_SAL_GET_KLCONFIG_ADDR                  0x02000005
-#define  SN_SAL_LOG_CE                            0x02000006
-#define  SN_SAL_REGISTER_CE                       0x02000007
-#define  SN_SAL_GET_PARTITION_ADDR                0x02000009
-#define  SN_SAL_XP_ADDR_REGION                    0x0200000f
-#define  SN_SAL_NO_FAULT_ZONE_VIRTUAL             0x02000010
-#define  SN_SAL_NO_FAULT_ZONE_PHYSICAL            0x02000011
-#define  SN_SAL_PRINT_ERROR                       0x02000012
-#define  SN_SAL_SET_ERROR_HANDLING_FEATURES       0x0200001a   // reentrant
-#define  SN_SAL_GET_FIT_COMPT                     0x0200001b   // reentrant
-#define  SN_SAL_GET_SAPIC_INFO                     0x0200001d
-#define  SN_SAL_GET_SN_INFO                        0x0200001e
-#define  SN_SAL_CONSOLE_PUTC                       0x02000021
-#define  SN_SAL_CONSOLE_GETC                       0x02000022
-#define  SN_SAL_CONSOLE_PUTS                       0x02000023
-#define  SN_SAL_CONSOLE_GETS                       0x02000024
-#define  SN_SAL_CONSOLE_GETS_TIMEOUT               0x02000025
-#define  SN_SAL_CONSOLE_POLL                       0x02000026
-#define  SN_SAL_CONSOLE_INTR                       0x02000027
-#define  SN_SAL_CONSOLE_PUTB                      0x02000028
-#define  SN_SAL_CONSOLE_XMIT_CHARS                0x0200002a
-#define  SN_SAL_CONSOLE_READC                     0x0200002b
-#define  SN_SAL_SYSCTL_OP                         0x02000030
-#define  SN_SAL_SYSCTL_MODID_GET                  0x02000031
-#define  SN_SAL_SYSCTL_GET                         0x02000032
-#define  SN_SAL_SYSCTL_IOBRICK_MODULE_GET          0x02000033
-#define  SN_SAL_SYSCTL_IO_PORTSPEED_GET            0x02000035
-#define  SN_SAL_SYSCTL_SLAB_GET                    0x02000036
-#define  SN_SAL_BUS_CONFIG                        0x02000037
-#define  SN_SAL_SYS_SERIAL_GET                    0x02000038
-#define  SN_SAL_PARTITION_SERIAL_GET              0x02000039
-#define  SN_SAL_SYSCTL_PARTITION_GET               0x0200003a
-#define  SN_SAL_SYSTEM_POWER_DOWN                 0x0200003b
-#define  SN_SAL_GET_MASTER_BASEIO_NASID                   0x0200003c
-#define  SN_SAL_COHERENCE                          0x0200003d
-#define  SN_SAL_MEMPROTECT                         0x0200003e
-#define  SN_SAL_SYSCTL_FRU_CAPTURE                0x0200003f
-
-#define  SN_SAL_SYSCTL_IOBRICK_PCI_OP             0x02000042   // reentrant
-#define         SN_SAL_IROUTER_OP                         0x02000043
-#define  SN_SAL_SYSCTL_EVENT                       0x02000044
-#define  SN_SAL_IOIF_INTERRUPT                    0x0200004a
-#define  SN_SAL_HWPERF_OP                         0x02000050   // lock
-#define  SN_SAL_IOIF_ERROR_INTERRUPT              0x02000051
-#define  SN_SAL_IOIF_PCI_SAFE                     0x02000052
-#define  SN_SAL_IOIF_SLOT_ENABLE                  0x02000053
-#define  SN_SAL_IOIF_SLOT_DISABLE                 0x02000054
-#define  SN_SAL_IOIF_GET_HUBDEV_INFO              0x02000055
-#define  SN_SAL_IOIF_GET_PCIBUS_INFO              0x02000056
-#define  SN_SAL_IOIF_GET_PCIDEV_INFO              0x02000057
-#define  SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST     0x02000058   // deprecated
-#define  SN_SAL_IOIF_GET_DEVICE_DMAFLUSH_LIST     0x0200005a
-
-#define SN_SAL_HUB_ERROR_INTERRUPT                0x02000060
-#define SN_SAL_BTE_RECOVER                        0x02000061
-#define SN_SAL_RESERVED_DO_NOT_USE                0x02000062
-#define SN_SAL_IOIF_GET_PCI_TOPOLOGY              0x02000064
-
-#define  SN_SAL_GET_PROM_FEATURE_SET              0x02000065
-#define  SN_SAL_SET_OS_FEATURE_SET                0x02000066
-#define  SN_SAL_INJECT_ERROR                      0x02000067
-#define  SN_SAL_SET_CPU_NUMBER                    0x02000068
-
-/*
- * Service-specific constants
- */
-
-/* Console interrupt manipulation */
-       /* action codes */
-#define SAL_CONSOLE_INTR_OFF    0       /* turn the interrupt off */
-#define SAL_CONSOLE_INTR_ON     1       /* turn the interrupt on */
-#define SAL_CONSOLE_INTR_STATUS 2      /* retrieve the interrupt status */
-       /* interrupt specification & status return codes */
-#define SAL_CONSOLE_INTR_XMIT  1       /* output interrupt */
-#define SAL_CONSOLE_INTR_RECV  2       /* input interrupt */
-
-/* interrupt handling */
-#define SAL_INTR_ALLOC         1
-#define SAL_INTR_FREE          2
-
-/*
- * operations available on the generic SN_SAL_SYSCTL_OP
- * runtime service
- */
-#define SAL_SYSCTL_OP_IOBOARD          0x0001  /*  retrieve board type */
-#define SAL_SYSCTL_OP_TIO_JLCK_RST      0x0002  /* issue TIO clock reset */
-
-/*
- * IRouter (i.e. generalized system controller) operations
- */
-#define SAL_IROUTER_OPEN       0       /* open a subchannel */
-#define SAL_IROUTER_CLOSE      1       /* close a subchannel */
-#define SAL_IROUTER_SEND       2       /* send part of an IRouter packet */
-#define SAL_IROUTER_RECV       3       /* receive part of an IRouter packet */
-#define SAL_IROUTER_INTR_STATUS        4       /* check the interrupt status 
for
-                                        * an open subchannel
-                                        */
-#define SAL_IROUTER_INTR_ON    5       /* enable an interrupt */
-#define SAL_IROUTER_INTR_OFF   6       /* disable an interrupt */
-#define SAL_IROUTER_INIT       7       /* initialize IRouter driver */
-
-/* IRouter interrupt mask bits */
-#define SAL_IROUTER_INTR_XMIT  SAL_CONSOLE_INTR_XMIT
-#define SAL_IROUTER_INTR_RECV  SAL_CONSOLE_INTR_RECV
-
-/*
- * Error Handling Features
- */
-#define SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV    0x1     // obsolete
-#define SAL_ERR_FEAT_LOG_SBES                  0x2     // obsolete
-#define SAL_ERR_FEAT_MFR_OVERRIDE              0x4
-#define SAL_ERR_FEAT_SBE_THRESHOLD             0xffff0000
-
-/*
- * SAL Error Codes
- */
-#define SALRET_MORE_PASSES     1
-#define SALRET_OK              0
-#define SALRET_NOT_IMPLEMENTED (-1)
-#define SALRET_INVALID_ARG     (-2)
-#define SALRET_ERROR           (-3)
-
-#define SN_SAL_FAKE_PROM                          0x02009999
-
-#ifndef XEN
-/**
-  * sn_sal_revision - get the SGI SAL revision number
-  *
-  * The SGI PROM stores its version in the sal_[ab]_rev_(major|minor).
-  * This routine simply extracts the major and minor values and
-  * presents them in a u32 format.
-  *
-  * For example, version 4.05 would be represented at 0x0405.
-  */
-static inline u32
-sn_sal_rev(void)
-{
-       struct ia64_sal_systab *systab = __va(efi.sal_systab);
-
-       return (u32)(systab->sal_b_rev_major << 8 | systab->sal_b_rev_minor);
-}
-
-/*
- * Returns the master console nasid, if the call fails, return an illegal
- * value.
- */
-static inline u64
-ia64_sn_get_console_nasid(void)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL(ret_stuff, SN_SAL_GET_MASTER_NASID, 0, 0, 0, 0, 0, 0, 0);
-
-       if (ret_stuff.status < 0)
-               return ret_stuff.status;
-
-       /* Master console nasid is in 'v0' */
-       return ret_stuff.v0;
-}
-
-/*
- * Returns the master baseio nasid, if the call fails, return an illegal
- * value.
- */
-static inline u64
-ia64_sn_get_master_baseio_nasid(void)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL(ret_stuff, SN_SAL_GET_MASTER_BASEIO_NASID, 0, 0, 0, 0, 0, 0, 
0);
-
-       if (ret_stuff.status < 0)
-               return ret_stuff.status;
-
-       /* Master baseio nasid is in 'v0' */
-       return ret_stuff.v0;
-}
-
-static inline void *
-ia64_sn_get_klconfig_addr(nasid_t nasid)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL(ret_stuff, SN_SAL_GET_KLCONFIG_ADDR, (u64)nasid, 0, 0, 0, 0, 
0, 0);
-       return ret_stuff.v0 ? __va(ret_stuff.v0) : NULL;
-}
-#endif /* !XEN */
-
-/*
- * Returns the next console character.
- */
-static inline u64
-ia64_sn_console_getc(int *ch)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_GETC, 0, 0, 0, 0, 0, 0, 0);
-
-       /* character is in 'v0' */
-       *ch = (int)ret_stuff.v0;
-
-       return ret_stuff.status;
-}
-
-/*
- * Read a character from the SAL console device, after a previous interrupt
- * or poll operation has given us to know that a character is available
- * to be read.
- */
-static inline u64
-ia64_sn_console_readc(void)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_READC, 0, 0, 0, 0, 0, 0, 0);
-
-       /* character is in 'v0' */
-       return ret_stuff.v0;
-}
-
-/*
- * Sends the given character to the console.
- */
-static inline u64
-ia64_sn_console_putc(char ch)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_PUTC, (u64)ch, 0, 0, 0, 0, 0, 
0);
-
-       return ret_stuff.status;
-}
-
-/*
- * Sends the given buffer to the console.
- */
-static inline u64
-ia64_sn_console_putb(const char *buf, int len)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0; 
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_PUTB, (u64)buf, (u64)len, 0, 
0, 0, 0, 0);
-
-       if ( ret_stuff.status == 0 ) {
-               return ret_stuff.v0;
-       }
-       return (u64)0;
-}
-
-#ifndef XEN
-/*
- * Print a platform error record
- */
-static inline u64
-ia64_sn_plat_specific_err_print(int (*hook)(const char*, ...), char *rec)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_REENTRANT(ret_stuff, SN_SAL_PRINT_ERROR, (u64)hook, (u64)rec, 
0, 0, 0, 0, 0);
-
-       return ret_stuff.status;
-}
-
-/*
- * Check for Platform errors
- */
-static inline u64
-ia64_sn_plat_cpei_handler(void)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_LOG_CE, 0, 0, 0, 0, 0, 0, 0);
-
-       return ret_stuff.status;
-}
-
-/*
- * Set Error Handling Features (Obsolete)
- */
-static inline u64
-ia64_sn_plat_set_error_handling_features(void)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_REENTRANT(ret_stuff, SN_SAL_SET_ERROR_HANDLING_FEATURES,
-               SAL_ERR_FEAT_LOG_SBES,
-               0, 0, 0, 0, 0, 0);
-
-       return ret_stuff.status;
-}
-
-/*
- * Checks for console input.
- */
-static inline u64
-ia64_sn_console_check(int *result)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_POLL, 0, 0, 0, 0, 0, 0, 0);
-
-       /* result is in 'v0' */
-       *result = (int)ret_stuff.v0;
-
-       return ret_stuff.status;
-}
-
-/*
- * Checks console interrupt status
- */
-static inline u64
-ia64_sn_console_intr_status(void)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, 
-                0, SAL_CONSOLE_INTR_STATUS,
-                0, 0, 0, 0, 0);
-
-       if (ret_stuff.status == 0) {
-           return ret_stuff.v0;
-       }
-       
-       return 0;
-}
-
-/*
- * Enable an interrupt on the SAL console device.
- */
-static inline void
-ia64_sn_console_intr_enable(u64 intr)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, 
-                intr, SAL_CONSOLE_INTR_ON,
-                0, 0, 0, 0, 0);
-}
-
-/*
- * Disable an interrupt on the SAL console device.
- */
-static inline void
-ia64_sn_console_intr_disable(u64 intr)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, 
-                intr, SAL_CONSOLE_INTR_OFF,
-                0, 0, 0, 0, 0);
-}
-
-/*
- * Sends a character buffer to the console asynchronously.
- */
-static inline u64
-ia64_sn_console_xmit_chars(char *buf, int len)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_XMIT_CHARS,
-                (u64)buf, (u64)len,
-                0, 0, 0, 0, 0);
-
-       if (ret_stuff.status == 0) {
-           return ret_stuff.v0;
-       }
-
-       return 0;
-}
-
-/*
- * Returns the iobrick module Id
- */
-static inline u64
-ia64_sn_sysctl_iobrick_module_get(nasid_t nasid, int *result)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_SYSCTL_IOBRICK_MODULE_GET, nasid, 0, 
0, 0, 0, 0, 0);
-
-       /* result is in 'v0' */
-       *result = (int)ret_stuff.v0;
-
-       return ret_stuff.status;
-}
-
-/**
- * ia64_sn_pod_mode - call the SN_SAL_POD_MODE function
- *
- * SN_SAL_POD_MODE actually takes an argument, but it's always
- * 0 when we call it from the kernel, so we don't have to expose
- * it to the caller.
- */
-static inline u64
-ia64_sn_pod_mode(void)
-{
-       struct ia64_sal_retval isrv;
-       SAL_CALL_REENTRANT(isrv, SN_SAL_POD_MODE, 0, 0, 0, 0, 0, 0, 0);
-       if (isrv.status)
-               return 0;
-       return isrv.v0;
-}
-
-/**
- * ia64_sn_probe_mem - read from memory safely
- * @addr: address to probe
- * @size: number bytes to read (1,2,4,8)
- * @data_ptr: address to store value read by probe (-1 returned if probe fails)
- *
- * Call into the SAL to do a memory read.  If the read generates a machine
- * check, this routine will recover gracefully and return -1 to the caller.
- * @addr is usually a kernel virtual address in uncached space (i.e. the
- * address starts with 0xc), but if called in physical mode, @addr should
- * be a physical address.
- *
- * Return values:
- *  0 - probe successful
- *  1 - probe failed (generated MCA)
- *  2 - Bad arg
- * <0 - PAL error
- */
-static inline u64
-ia64_sn_probe_mem(long addr, long size, void *data_ptr)
-{
-       struct ia64_sal_retval isrv;
-
-       SAL_CALL(isrv, SN_SAL_PROBE, addr, size, 0, 0, 0, 0, 0);
-
-       if (data_ptr) {
-               switch (size) {
-               case 1:
-                       *((u8*)data_ptr) = (u8)isrv.v0;
-                       break;
-               case 2:
-                       *((u16*)data_ptr) = (u16)isrv.v0;
-                       break;
-               case 4:
-                       *((u32*)data_ptr) = (u32)isrv.v0;
-                       break;
-               case 8:
-                       *((u64*)data_ptr) = (u64)isrv.v0;
-                       break;
-               default:
-                       isrv.status = 2;
-               }
-       }
-       return isrv.status;
-}
-
-/*
- * Retrieve the system serial number as an ASCII string.
- */
-static inline u64
-ia64_sn_sys_serial_get(char *buf)
-{
-       struct ia64_sal_retval ret_stuff;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_SYS_SERIAL_GET, buf, 0, 0, 0, 0, 0, 
0);
-       return ret_stuff.status;
-}
-
-extern char sn_system_serial_number_string[];
-extern u64 sn_partition_serial_number;
-
-static inline char *
-sn_system_serial_number(void) {
-       if (sn_system_serial_number_string[0]) {
-               return(sn_system_serial_number_string);
-       } else {
-               ia64_sn_sys_serial_get(sn_system_serial_number_string);
-               return(sn_system_serial_number_string);
-       }
-}
-       
-
-/*
- * Returns a unique id number for this system and partition (suitable for
- * use with license managers), based in part on the system serial number.
- */
-static inline u64
-ia64_sn_partition_serial_get(void)
-{
-       struct ia64_sal_retval ret_stuff;
-       ia64_sal_oemcall_reentrant(&ret_stuff, SN_SAL_PARTITION_SERIAL_GET, 0,
-                                  0, 0, 0, 0, 0, 0);
-       if (ret_stuff.status != 0)
-           return 0;
-       return ret_stuff.v0;
-}
-
-static inline u64
-sn_partition_serial_number_val(void) {
-       if (unlikely(sn_partition_serial_number == 0)) {
-               sn_partition_serial_number = ia64_sn_partition_serial_get();
-       }
-       return sn_partition_serial_number;
-}
-
-/*
- * Returns the partition id of the nasid passed in as an argument,
- * or INVALID_PARTID if the partition id cannot be retrieved.
- */
-static inline partid_t
-ia64_sn_sysctl_partition_get(nasid_t nasid)
-{
-       struct ia64_sal_retval ret_stuff;
-       SAL_CALL(ret_stuff, SN_SAL_SYSCTL_PARTITION_GET, nasid,
-               0, 0, 0, 0, 0, 0);
-       if (ret_stuff.status != 0)
-           return -1;
-       return ((partid_t)ret_stuff.v0);
-}
-
-/*
- * Returns the physical address of the partition's reserved page through
- * an iterative number of calls.
- *
- * On first call, 'cookie' and 'len' should be set to 0, and 'addr'
- * set to the nasid of the partition whose reserved page's address is
- * being sought.
- * On subsequent calls, pass the values, that were passed back on the
- * previous call.
- *
- * While the return status equals SALRET_MORE_PASSES, keep calling
- * this function after first copying 'len' bytes starting at 'addr'
- * into 'buf'. Once the return status equals SALRET_OK, 'addr' will
- * be the physical address of the partition's reserved page. If the
- * return status equals neither of these, an error as occurred.
- */
-static inline s64
-sn_partition_reserved_page_pa(u64 buf, u64 *cookie, u64 *addr, u64 *len)
-{
-       struct ia64_sal_retval rv;
-       ia64_sal_oemcall_reentrant(&rv, SN_SAL_GET_PARTITION_ADDR, *cookie,
-                                  *addr, buf, *len, 0, 0, 0);
-       *cookie = rv.v0;
-       *addr = rv.v1;
-       *len = rv.v2;
-       return rv.status;
-}
-
-/*
- * Register or unregister a physical address range being referenced across
- * a partition boundary for which certain SAL errors should be scanned for,
- * cleaned up and ignored.  This is of value for kernel partitioning code only.
- * Values for the operation argument:
- *     1 = register this address range with SAL
- *     0 = unregister this address range with SAL
- * 
- * SAL maintains a reference count on an address range in case it is registered
- * multiple times.
- * 
- * On success, returns the reference count of the address range after the SAL
- * call has performed the current registration/unregistration.  Returns a
- * negative value if an error occurred.
- */
-static inline int
-sn_register_xp_addr_region(u64 paddr, u64 len, int operation)
-{
-       struct ia64_sal_retval ret_stuff;
-       ia64_sal_oemcall(&ret_stuff, SN_SAL_XP_ADDR_REGION, paddr, len,
-                        (u64)operation, 0, 0, 0, 0);
-       return ret_stuff.status;
-}
-
-/*
- * Register or unregister an instruction range for which SAL errors should
- * be ignored.  If an error occurs while in the registered range, SAL jumps
- * to return_addr after ignoring the error.  Values for the operation argument:
- *     1 = register this instruction range with SAL
- *     0 = unregister this instruction range with SAL
- *
- * Returns 0 on success, or a negative value if an error occurred.
- */
-static inline int
-sn_register_nofault_code(u64 start_addr, u64 end_addr, u64 return_addr,
-                        int virtual, int operation)
-{
-       struct ia64_sal_retval ret_stuff;
-       u64 call;
-       if (virtual) {
-               call = SN_SAL_NO_FAULT_ZONE_VIRTUAL;
-       } else {
-               call = SN_SAL_NO_FAULT_ZONE_PHYSICAL;
-       }
-       ia64_sal_oemcall(&ret_stuff, call, start_addr, end_addr, return_addr,
-                        (u64)1, 0, 0, 0);
-       return ret_stuff.status;
-}
-
-/*
- * Change or query the coherence domain for this partition. Each cpu-based
- * nasid is represented by a bit in an array of 64-bit words:
- *      0 = not in this partition's coherency domain
- *      1 = in this partition's coherency domain
- *
- * It is not possible for the local system's nasids to be removed from
- * the coherency domain.  Purpose of the domain arguments:
- *      new_domain = set the coherence domain to the given nasids
- *      old_domain = return the current coherence domain
- *
- * Returns 0 on success, or a negative value if an error occurred.
- */
-static inline int
-sn_change_coherence(u64 *new_domain, u64 *old_domain)
-{
-       struct ia64_sal_retval ret_stuff;
-       ia64_sal_oemcall(&ret_stuff, SN_SAL_COHERENCE, (u64)new_domain,
-                        (u64)old_domain, 0, 0, 0, 0, 0);
-       return ret_stuff.status;
-}
-
-/*
- * Change memory access protections for a physical address range.
- * nasid_array is not used on Altix, but may be in future architectures.
- * Available memory protection access classes are defined after the function.
- */
-static inline int
-sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len,
-                               (u64)nasid_array, perms, 0, 0, 0);
-       return ret_stuff.status;
-}
-#define SN_MEMPROT_ACCESS_CLASS_0              0x14a080
-#define SN_MEMPROT_ACCESS_CLASS_1              0x2520c2
-#define SN_MEMPROT_ACCESS_CLASS_2              0x14a1ca
-#define SN_MEMPROT_ACCESS_CLASS_3              0x14a290
-#define SN_MEMPROT_ACCESS_CLASS_6              0x084080
-#define SN_MEMPROT_ACCESS_CLASS_7              0x021080
-
-/*
- * Turns off system power.
- */
-static inline void
-ia64_sn_power_down(void)
-{
-       struct ia64_sal_retval ret_stuff;
-       SAL_CALL(ret_stuff, SN_SAL_SYSTEM_POWER_DOWN, 0, 0, 0, 0, 0, 0, 0);
-       while(1)
-               cpu_relax();
-       /* never returns */
-}
-
-/**
- * ia64_sn_fru_capture - tell the system controller to capture hw state
- *
- * This routine will call the SAL which will tell the system controller(s)
- * to capture hw mmr information from each SHub in the system.
- */
-static inline u64
-ia64_sn_fru_capture(void)
-{
-        struct ia64_sal_retval isrv;
-        SAL_CALL(isrv, SN_SAL_SYSCTL_FRU_CAPTURE, 0, 0, 0, 0, 0, 0, 0);
-        if (isrv.status)
-                return 0;
-        return isrv.v0;
-}
-
-/*
- * Performs an operation on a PCI bus or slot -- power up, power down
- * or reset.
- */
-static inline u64
-ia64_sn_sysctl_iobrick_pci_op(nasid_t n, u64 connection_type, 
-                             u64 bus, char slot, 
-                             u64 action)
-{
-       struct ia64_sal_retval rv = {0, 0, 0, 0};
-
-       SAL_CALL_NOLOCK(rv, SN_SAL_SYSCTL_IOBRICK_PCI_OP, connection_type, n, 
action,
-                bus, (u64) slot, 0, 0);
-       if (rv.status)
-               return rv.v0;
-       return 0;
-}
-
-
-/*
- * Open a subchannel for sending arbitrary data to the system
- * controller network via the system controller device associated with
- * 'nasid'.  Return the subchannel number or a negative error code.
- */
-static inline int
-ia64_sn_irtr_open(nasid_t nasid)
-{
-       struct ia64_sal_retval rv;
-       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_OPEN, nasid,
-                          0, 0, 0, 0, 0);
-       return (int) rv.v0;
-}
-
-/*
- * Close system controller subchannel 'subch' previously opened on 'nasid'.
- */
-static inline int
-ia64_sn_irtr_close(nasid_t nasid, int subch)
-{
-       struct ia64_sal_retval rv;
-       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_CLOSE,
-                          (u64) nasid, (u64) subch, 0, 0, 0, 0);
-       return (int) rv.status;
-}
-
-/*
- * Read data from system controller associated with 'nasid' on
- * subchannel 'subch'.  The buffer to be filled is pointed to by
- * 'buf', and its capacity is in the integer pointed to by 'len'.  The
- * referent of 'len' is set to the number of bytes read by the SAL
- * call.  The return value is either SALRET_OK (for bytes read) or
- * SALRET_ERROR (for error or "no data available").
- */
-static inline int
-ia64_sn_irtr_recv(nasid_t nasid, int subch, char *buf, int *len)
-{
-       struct ia64_sal_retval rv;
-       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_RECV,
-                          (u64) nasid, (u64) subch, (u64) buf, (u64) len,
-                          0, 0);
-       return (int) rv.status;
-}
-
-/*
- * Write data to the system controller network via the system
- * controller associated with 'nasid' on suchannel 'subch'.  The
- * buffer to be written out is pointed to by 'buf', and 'len' is the
- * number of bytes to be written.  The return value is either the
- * number of bytes written (which could be zero) or a negative error
- * code.
- */
-static inline int
-ia64_sn_irtr_send(nasid_t nasid, int subch, char *buf, int len)
-{
-       struct ia64_sal_retval rv;
-       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_SEND,
-                          (u64) nasid, (u64) subch, (u64) buf, (u64) len,
-                          0, 0);
-       return (int) rv.v0;
-}
-
-/*
- * Check whether any interrupts are pending for the system controller
- * associated with 'nasid' and its subchannel 'subch'.  The return
- * value is a mask of pending interrupts (SAL_IROUTER_INTR_XMIT and/or
- * SAL_IROUTER_INTR_RECV).
- */
-static inline int
-ia64_sn_irtr_intr(nasid_t nasid, int subch)
-{
-       struct ia64_sal_retval rv;
-       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_STATUS,
-                          (u64) nasid, (u64) subch, 0, 0, 0, 0);
-       return (int) rv.v0;
-}
-
-/*
- * Enable the interrupt indicated by the intr parameter (either
- * SAL_IROUTER_INTR_XMIT or SAL_IROUTER_INTR_RECV).
- */
-static inline int
-ia64_sn_irtr_intr_enable(nasid_t nasid, int subch, u64 intr)
-{
-       struct ia64_sal_retval rv;
-       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_ON,
-                          (u64) nasid, (u64) subch, intr, 0, 0, 0);
-       return (int) rv.v0;
-}
-
-/*
- * Disable the interrupt indicated by the intr parameter (either
- * SAL_IROUTER_INTR_XMIT or SAL_IROUTER_INTR_RECV).
- */
-static inline int
-ia64_sn_irtr_intr_disable(nasid_t nasid, int subch, u64 intr)
-{
-       struct ia64_sal_retval rv;
-       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_OFF,
-                          (u64) nasid, (u64) subch, intr, 0, 0, 0);
-       return (int) rv.v0;
-}
-
-/*
- * Set up a node as the point of contact for system controller
- * environmental event delivery.
- */
-static inline int
-ia64_sn_sysctl_event_init(nasid_t nasid)
-{
-        struct ia64_sal_retval rv;
-        SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_EVENT, (u64) nasid,
-                          0, 0, 0, 0, 0, 0);
-        return (int) rv.v0;
-}
-
-/*
- * Ask the system controller on the specified nasid to reset
- * the CX corelet clock.  Only valid on TIO nodes.
- */
-static inline int
-ia64_sn_sysctl_tio_clock_reset(nasid_t nasid)
-{
-       struct ia64_sal_retval rv;
-       SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_TIO_JLCK_RST,
-                       nasid, 0, 0, 0, 0, 0);
-       if (rv.status != 0)
-               return (int)rv.status;
-       if (rv.v0 != 0)
-               return (int)rv.v0;
-
-       return 0;
-}
-
-/*
- * Get the associated ioboard type for a given nasid.
- */
-static inline s64
-ia64_sn_sysctl_ioboard_get(nasid_t nasid, u16 *ioboard)
-{
-       struct ia64_sal_retval isrv;
-       SAL_CALL_REENTRANT(isrv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_IOBOARD,
-                          nasid, 0, 0, 0, 0, 0);
-       if (isrv.v0 != 0) {
-               *ioboard = isrv.v0;
-               return isrv.status;
-       }
-       if (isrv.v1 != 0) {
-               *ioboard = isrv.v1;
-               return isrv.status;
-       }
-
-       return isrv.status;
-}
-
-/**
- * ia64_sn_get_fit_compt - read a FIT entry from the PROM header
- * @nasid: NASID of node to read
- * @index: FIT entry index to be retrieved (0..n)
- * @fitentry: 16 byte buffer where FIT entry will be stored.
- * @banbuf: optional buffer for retrieving banner
- * @banlen: length of banner buffer
- *
- * Access to the physical PROM chips needs to be serialized since reads and
- * writes can't occur at the same time, so we need to call into the SAL when
- * we want to look at the FIT entries on the chips.
- *
- * Returns:
- *     %SALRET_OK if ok
- *     %SALRET_INVALID_ARG if index too big
- *     %SALRET_NOT_IMPLEMENTED if running on older PROM
- *     ??? if nasid invalid OR banner buffer not large enough
- */
-static inline int
-ia64_sn_get_fit_compt(u64 nasid, u64 index, void *fitentry, void *banbuf,
-                     u64 banlen)
-{
-       struct ia64_sal_retval rv;
-       SAL_CALL_NOLOCK(rv, SN_SAL_GET_FIT_COMPT, nasid, index, fitentry,
-                       banbuf, banlen, 0, 0);
-       return (int) rv.status;
-}
-
-/*
- * Initialize the SAL components of the system controller
- * communication driver; specifically pass in a sizable buffer that
- * can be used for allocation of subchannel queues as new subchannels
- * are opened.  "buf" points to the buffer, and "len" specifies its
- * length.
- */
-static inline int
-ia64_sn_irtr_init(nasid_t nasid, void *buf, int len)
-{
-       struct ia64_sal_retval rv;
-       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INIT,
-                          (u64) nasid, (u64) buf, (u64) len, 0, 0, 0);
-       return (int) rv.status;
-}
-
-/*
- * Returns the nasid, subnode & slice corresponding to a SAPIC ID
- *
- *  In:
- *     arg0 - SN_SAL_GET_SAPIC_INFO
- *     arg1 - sapicid (lid >> 16) 
- *  Out:
- *     v0 - nasid
- *     v1 - subnode
- *     v2 - slice
- */
-static inline u64
-ia64_sn_get_sapic_info(int sapicid, int *nasid, int *subnode, int *slice)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SAPIC_INFO, sapicid, 0, 0, 0, 0, 
0, 0);
-
-/***** BEGIN HACK - temp til old proms no longer supported ********/
-       if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) {
-               if (nasid) *nasid = sapicid & 0xfff;
-               if (subnode) *subnode = (sapicid >> 13) & 1;
-               if (slice) *slice = (sapicid >> 12) & 3;
-               return 0;
-       }
-/***** END HACK *******/
-
-       if (ret_stuff.status < 0)
-               return ret_stuff.status;
-
-       if (nasid) *nasid = (int) ret_stuff.v0;
-       if (subnode) *subnode = (int) ret_stuff.v1;
-       if (slice) *slice = (int) ret_stuff.v2;
-       return 0;
-}
- 
-/*
- * Returns information about the HUB/SHUB.
- *  In:
- *     arg0 - SN_SAL_GET_SN_INFO
- *     arg1 - 0 (other values reserved for future use)
- *  Out:
- *     v0 
- *             [7:0]   - shub type (0=shub1, 1=shub2)
- *             [15:8]  - Log2 max number of nodes in entire system (includes
- *                       C-bricks, I-bricks, etc)
- *             [23:16] - Log2 of nodes per sharing domain                      
 
- *             [31:24] - partition ID
- *             [39:32] - coherency_id
- *             [47:40] - regionsize
- *     v1 
- *             [15:0]  - nasid mask (ex., 0x7ff for 11 bit nasid)
- *             [23:15] - bit position of low nasid bit
- */
-static inline u64
-ia64_sn_get_sn_info(int fc, u8 *shubtype, u16 *nasid_bitmask, u8 *nasid_shift, 
-               u8 *systemsize, u8 *sharing_domain_size, u8 *partid, u8 *coher, 
u8 *reg)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ret_stuff.status = 0;
-       ret_stuff.v0 = 0;
-       ret_stuff.v1 = 0;
-       ret_stuff.v2 = 0;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SN_INFO, fc, 0, 0, 0, 0, 0, 0);
-
-/***** BEGIN HACK - temp til old proms no longer supported ********/
-       if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) {
-               int nasid = get_sapicid() & 0xfff;
-#define SH_SHUB_ID_NODES_PER_BIT_MASK 0x001f000000000000UL
-#define SH_SHUB_ID_NODES_PER_BIT_SHFT 48
-               if (shubtype) *shubtype = 0;
-               if (nasid_bitmask) *nasid_bitmask = 0x7ff;
-               if (nasid_shift) *nasid_shift = 38;
-               if (systemsize) *systemsize = 10;
-               if (sharing_domain_size) *sharing_domain_size = 8;
-               if (partid) *partid = ia64_sn_sysctl_partition_get(nasid);
-               if (coher) *coher = nasid >> 9;
-               if (reg) *reg = (HUB_L((u64 *) LOCAL_MMR_ADDR(SH1_SHUB_ID)) & 
SH_SHUB_ID_NODES_PER_BIT_MASK) >>
-                       SH_SHUB_ID_NODES_PER_BIT_SHFT;
-               return 0;
-       }
-/***** END HACK *******/
-
-       if (ret_stuff.status < 0)
-               return ret_stuff.status;
-
-       if (shubtype) *shubtype = ret_stuff.v0 & 0xff;
-       if (systemsize) *systemsize = (ret_stuff.v0 >> 8) & 0xff;
-       if (sharing_domain_size) *sharing_domain_size = (ret_stuff.v0 >> 16) & 
0xff;
-       if (partid) *partid = (ret_stuff.v0 >> 24) & 0xff;
-       if (coher) *coher = (ret_stuff.v0 >> 32) & 0xff;
-       if (reg) *reg = (ret_stuff.v0 >> 40) & 0xff;
-       if (nasid_bitmask) *nasid_bitmask = (ret_stuff.v1 & 0xffff);
-       if (nasid_shift) *nasid_shift = (ret_stuff.v1 >> 16) & 0xff;
-       return 0;
-}
- 
-/*
- * This is the access point to the Altix PROM hardware performance
- * and status monitoring interface. For info on using this, see
- * include/asm-ia64/sn/sn2/sn_hwperf.h
- */
-static inline int
-ia64_sn_hwperf_op(nasid_t nasid, u64 opcode, u64 a0, u64 a1, u64 a2,
-                  u64 a3, u64 a4, int *v0)
-{
-       struct ia64_sal_retval rv;
-       SAL_CALL_NOLOCK(rv, SN_SAL_HWPERF_OP, (u64)nasid,
-               opcode, a0, a1, a2, a3, a4);
-       if (v0)
-               *v0 = (int) rv.v0;
-       return (int) rv.status;
-}
-#endif /* !XEN */
-
-static inline int
-ia64_sn_ioif_get_pci_topology(u64 buf, u64 len)
-{
-       struct ia64_sal_retval rv;
-       SAL_CALL_NOLOCK(rv, SN_SAL_IOIF_GET_PCI_TOPOLOGY, buf, len, 0, 0, 0, 0, 
0);
-       return (int) rv.status;
-}
-
-/*
- * BTE error recovery is implemented in SAL
- */
-static inline int
-ia64_sn_bte_recovery(nasid_t nasid)
-{
-       struct ia64_sal_retval rv;
-
-       rv.status = 0;
-       SAL_CALL_NOLOCK(rv, SN_SAL_BTE_RECOVER, (u64)nasid, 0, 0, 0, 0, 0, 0);
-       if (rv.status == SALRET_NOT_IMPLEMENTED)
-               return 0;
-       return (int) rv.status;
-}
-
-static inline int
-ia64_sn_is_fake_prom(void)
-{
-       struct ia64_sal_retval rv;
-       SAL_CALL_NOLOCK(rv, SN_SAL_FAKE_PROM, 0, 0, 0, 0, 0, 0, 0);
-       return (rv.status == 0);
-}
-
-static inline int
-ia64_sn_get_prom_feature_set(int set, unsigned long *feature_set)
-{
-       struct ia64_sal_retval rv;
-
-       SAL_CALL_NOLOCK(rv, SN_SAL_GET_PROM_FEATURE_SET, set, 0, 0, 0, 0, 0, 0);
-       if (rv.status != 0)
-               return rv.status;
-       *feature_set = rv.v0;
-       return 0;
-}
-
-static inline int
-ia64_sn_set_os_feature(int feature)
-{
-       struct ia64_sal_retval rv;
-
-       SAL_CALL_NOLOCK(rv, SN_SAL_SET_OS_FEATURE_SET, feature, 0, 0, 0, 0, 0, 
0);
-       return rv.status;
-}
-
-static inline int
-sn_inject_error(u64 paddr, u64 *data, u64 *ecc)
-{
-       struct ia64_sal_retval ret_stuff;
-
-       ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_INJECT_ERROR, paddr, 
(u64)data,
-                               (u64)ecc, 0, 0, 0, 0);
-       return ret_stuff.status;
-}
-
-static inline int
-ia64_sn_set_cpu_number(int cpu)
-{
-       struct ia64_sal_retval rv;
-
-       SAL_CALL_NOLOCK(rv, SN_SAL_SET_CPU_NUMBER, cpu, 0, 0, 0, 0, 0, 0);
-       return rv.status;
-}
-#endif /* _ASM_IA64_SN_SN_SAL_H */
diff -r d45d361c8ad0 -r 97a369d8da43 
xen/include/asm-ia64/linux/asm/sn/README.origin
--- a/xen/include/asm-ia64/linux/asm/sn/README.origin   Wed Dec 13 15:23:28 
2006 -0700
+++ b/xen/include/asm-ia64/linux/asm/sn/README.origin   Thu Dec 14 11:01:37 
2006 -0700
@@ -18,6 +18,7 @@ simulator.h           -> linux/include/asm-ia64/s
 simulator.h            -> linux/include/asm-ia64/sn/simulator.h
 sn_cpuid.h             -> linux/include/asm-ia64/sn/sn_cpuid.h
 sn_feature_sets.h      -> linux/include/asm-ia64/sn/sn_feature_sets.h
+sn_sal.h               -> linux/include/asm-ia64/sn/sn_sal.h
 tiocp.h                        -> linux/include/asm-ia64/sn/tiocp.h
 xbow.h                 -> linux/arch/ia64/sn/include/xtalk/xbow.h
 xwidgetdev.h           -> linux/arch/ia64/sn/include/xtalk/xwidgetdev.h
diff -r d45d361c8ad0 -r 97a369d8da43 xen/include/asm-ia64/linux/asm/sn/sn_sal.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/xen/include/asm-ia64/linux/asm/sn/sn_sal.h        Thu Dec 14 11:01:37 
2006 -0700
@@ -0,0 +1,1157 @@
+#ifndef _ASM_IA64_SN_SN_SAL_H
+#define _ASM_IA64_SN_SN_SAL_H
+
+/*
+ * System Abstraction Layer definitions for IA64
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 2000-2006 Silicon Graphics, Inc.  All rights reserved.
+ */
+
+
+#include <asm/sal.h>
+#include <asm/sn/sn_cpuid.h>
+#include <asm/sn/arch.h>
+#include <asm/sn/geo.h>
+#include <asm/sn/nodepda.h>
+#include <asm/sn/shub_mmr.h>
+
+// SGI Specific Calls
+#define  SN_SAL_POD_MODE                           0x02000001
+#define  SN_SAL_SYSTEM_RESET                       0x02000002
+#define  SN_SAL_PROBE                              0x02000003
+#define  SN_SAL_GET_MASTER_NASID                   0x02000004
+#define         SN_SAL_GET_KLCONFIG_ADDR                  0x02000005
+#define  SN_SAL_LOG_CE                            0x02000006
+#define  SN_SAL_REGISTER_CE                       0x02000007
+#define  SN_SAL_GET_PARTITION_ADDR                0x02000009
+#define  SN_SAL_XP_ADDR_REGION                    0x0200000f
+#define  SN_SAL_NO_FAULT_ZONE_VIRTUAL             0x02000010
+#define  SN_SAL_NO_FAULT_ZONE_PHYSICAL            0x02000011
+#define  SN_SAL_PRINT_ERROR                       0x02000012
+#define  SN_SAL_SET_ERROR_HANDLING_FEATURES       0x0200001a   // reentrant
+#define  SN_SAL_GET_FIT_COMPT                     0x0200001b   // reentrant
+#define  SN_SAL_GET_SAPIC_INFO                     0x0200001d
+#define  SN_SAL_GET_SN_INFO                        0x0200001e
+#define  SN_SAL_CONSOLE_PUTC                       0x02000021
+#define  SN_SAL_CONSOLE_GETC                       0x02000022
+#define  SN_SAL_CONSOLE_PUTS                       0x02000023
+#define  SN_SAL_CONSOLE_GETS                       0x02000024
+#define  SN_SAL_CONSOLE_GETS_TIMEOUT               0x02000025
+#define  SN_SAL_CONSOLE_POLL                       0x02000026
+#define  SN_SAL_CONSOLE_INTR                       0x02000027
+#define  SN_SAL_CONSOLE_PUTB                      0x02000028
+#define  SN_SAL_CONSOLE_XMIT_CHARS                0x0200002a
+#define  SN_SAL_CONSOLE_READC                     0x0200002b
+#define  SN_SAL_SYSCTL_OP                         0x02000030
+#define  SN_SAL_SYSCTL_MODID_GET                  0x02000031
+#define  SN_SAL_SYSCTL_GET                         0x02000032
+#define  SN_SAL_SYSCTL_IOBRICK_MODULE_GET          0x02000033
+#define  SN_SAL_SYSCTL_IO_PORTSPEED_GET            0x02000035
+#define  SN_SAL_SYSCTL_SLAB_GET                    0x02000036
+#define  SN_SAL_BUS_CONFIG                        0x02000037
+#define  SN_SAL_SYS_SERIAL_GET                    0x02000038
+#define  SN_SAL_PARTITION_SERIAL_GET              0x02000039
+#define  SN_SAL_SYSCTL_PARTITION_GET               0x0200003a
+#define  SN_SAL_SYSTEM_POWER_DOWN                 0x0200003b
+#define  SN_SAL_GET_MASTER_BASEIO_NASID                   0x0200003c
+#define  SN_SAL_COHERENCE                          0x0200003d
+#define  SN_SAL_MEMPROTECT                         0x0200003e
+#define  SN_SAL_SYSCTL_FRU_CAPTURE                0x0200003f
+
+#define  SN_SAL_SYSCTL_IOBRICK_PCI_OP             0x02000042   // reentrant
+#define         SN_SAL_IROUTER_OP                         0x02000043
+#define  SN_SAL_SYSCTL_EVENT                       0x02000044
+#define  SN_SAL_IOIF_INTERRUPT                    0x0200004a
+#define  SN_SAL_HWPERF_OP                         0x02000050   // lock
+#define  SN_SAL_IOIF_ERROR_INTERRUPT              0x02000051
+#define  SN_SAL_IOIF_PCI_SAFE                     0x02000052
+#define  SN_SAL_IOIF_SLOT_ENABLE                  0x02000053
+#define  SN_SAL_IOIF_SLOT_DISABLE                 0x02000054
+#define  SN_SAL_IOIF_GET_HUBDEV_INFO              0x02000055
+#define  SN_SAL_IOIF_GET_PCIBUS_INFO              0x02000056
+#define  SN_SAL_IOIF_GET_PCIDEV_INFO              0x02000057
+#define  SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST     0x02000058   // deprecated
+#define  SN_SAL_IOIF_GET_DEVICE_DMAFLUSH_LIST     0x0200005a
+
+#define SN_SAL_HUB_ERROR_INTERRUPT                0x02000060
+#define SN_SAL_BTE_RECOVER                        0x02000061
+#define SN_SAL_RESERVED_DO_NOT_USE                0x02000062
+#define SN_SAL_IOIF_GET_PCI_TOPOLOGY              0x02000064
+
+#define  SN_SAL_GET_PROM_FEATURE_SET              0x02000065
+#define  SN_SAL_SET_OS_FEATURE_SET                0x02000066
+#define  SN_SAL_INJECT_ERROR                      0x02000067
+#define  SN_SAL_SET_CPU_NUMBER                    0x02000068
+
+/*
+ * Service-specific constants
+ */
+
+/* Console interrupt manipulation */
+       /* action codes */
+#define SAL_CONSOLE_INTR_OFF    0       /* turn the interrupt off */
+#define SAL_CONSOLE_INTR_ON     1       /* turn the interrupt on */
+#define SAL_CONSOLE_INTR_STATUS 2      /* retrieve the interrupt status */
+       /* interrupt specification & status return codes */
+#define SAL_CONSOLE_INTR_XMIT  1       /* output interrupt */
+#define SAL_CONSOLE_INTR_RECV  2       /* input interrupt */
+
+/* interrupt handling */
+#define SAL_INTR_ALLOC         1
+#define SAL_INTR_FREE          2
+
+/*
+ * operations available on the generic SN_SAL_SYSCTL_OP
+ * runtime service
+ */
+#define SAL_SYSCTL_OP_IOBOARD          0x0001  /*  retrieve board type */
+#define SAL_SYSCTL_OP_TIO_JLCK_RST      0x0002  /* issue TIO clock reset */
+
+/*
+ * IRouter (i.e. generalized system controller) operations
+ */
+#define SAL_IROUTER_OPEN       0       /* open a subchannel */
+#define SAL_IROUTER_CLOSE      1       /* close a subchannel */
+#define SAL_IROUTER_SEND       2       /* send part of an IRouter packet */
+#define SAL_IROUTER_RECV       3       /* receive part of an IRouter packet */
+#define SAL_IROUTER_INTR_STATUS        4       /* check the interrupt status 
for
+                                        * an open subchannel
+                                        */
+#define SAL_IROUTER_INTR_ON    5       /* enable an interrupt */
+#define SAL_IROUTER_INTR_OFF   6       /* disable an interrupt */
+#define SAL_IROUTER_INIT       7       /* initialize IRouter driver */
+
+/* IRouter interrupt mask bits */
+#define SAL_IROUTER_INTR_XMIT  SAL_CONSOLE_INTR_XMIT
+#define SAL_IROUTER_INTR_RECV  SAL_CONSOLE_INTR_RECV
+
+/*
+ * Error Handling Features
+ */
+#define SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV    0x1     // obsolete
+#define SAL_ERR_FEAT_LOG_SBES                  0x2     // obsolete
+#define SAL_ERR_FEAT_MFR_OVERRIDE              0x4
+#define SAL_ERR_FEAT_SBE_THRESHOLD             0xffff0000
+
+/*
+ * SAL Error Codes
+ */
+#define SALRET_MORE_PASSES     1
+#define SALRET_OK              0
+#define SALRET_NOT_IMPLEMENTED (-1)
+#define SALRET_INVALID_ARG     (-2)
+#define SALRET_ERROR           (-3)
+
+#define SN_SAL_FAKE_PROM                          0x02009999
+
+/**
+  * sn_sal_revision - get the SGI SAL revision number
+  *
+  * The SGI PROM stores its version in the sal_[ab]_rev_(major|minor).
+  * This routine simply extracts the major and minor values and
+  * presents them in a u32 format.
+  *
+  * For example, version 4.05 would be represented at 0x0405.
+  */
+static inline u32
+sn_sal_rev(void)
+{
+       struct ia64_sal_systab *systab = __va(efi.sal_systab);
+
+       return (u32)(systab->sal_b_rev_major << 8 | systab->sal_b_rev_minor);
+}
+
+/*
+ * Returns the master console nasid, if the call fails, return an illegal
+ * value.
+ */
+static inline u64
+ia64_sn_get_console_nasid(void)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL(ret_stuff, SN_SAL_GET_MASTER_NASID, 0, 0, 0, 0, 0, 0, 0);
+
+       if (ret_stuff.status < 0)
+               return ret_stuff.status;
+
+       /* Master console nasid is in 'v0' */
+       return ret_stuff.v0;
+}
+
+/*
+ * Returns the master baseio nasid, if the call fails, return an illegal
+ * value.
+ */
+static inline u64
+ia64_sn_get_master_baseio_nasid(void)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL(ret_stuff, SN_SAL_GET_MASTER_BASEIO_NASID, 0, 0, 0, 0, 0, 0, 
0);
+
+       if (ret_stuff.status < 0)
+               return ret_stuff.status;
+
+       /* Master baseio nasid is in 'v0' */
+       return ret_stuff.v0;
+}
+
+static inline void *
+ia64_sn_get_klconfig_addr(nasid_t nasid)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL(ret_stuff, SN_SAL_GET_KLCONFIG_ADDR, (u64)nasid, 0, 0, 0, 0, 
0, 0);
+       return ret_stuff.v0 ? __va(ret_stuff.v0) : NULL;
+}
+
+/*
+ * Returns the next console character.
+ */
+static inline u64
+ia64_sn_console_getc(int *ch)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_GETC, 0, 0, 0, 0, 0, 0, 0);
+
+       /* character is in 'v0' */
+       *ch = (int)ret_stuff.v0;
+
+       return ret_stuff.status;
+}
+
+/*
+ * Read a character from the SAL console device, after a previous interrupt
+ * or poll operation has given us to know that a character is available
+ * to be read.
+ */
+static inline u64
+ia64_sn_console_readc(void)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_READC, 0, 0, 0, 0, 0, 0, 0);
+
+       /* character is in 'v0' */
+       return ret_stuff.v0;
+}
+
+/*
+ * Sends the given character to the console.
+ */
+static inline u64
+ia64_sn_console_putc(char ch)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_PUTC, (u64)ch, 0, 0, 0, 0, 0, 
0);
+
+       return ret_stuff.status;
+}
+
+/*
+ * Sends the given buffer to the console.
+ */
+static inline u64
+ia64_sn_console_putb(const char *buf, int len)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0; 
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_PUTB, (u64)buf, (u64)len, 0, 
0, 0, 0, 0);
+
+       if ( ret_stuff.status == 0 ) {
+               return ret_stuff.v0;
+       }
+       return (u64)0;
+}
+
+/*
+ * Print a platform error record
+ */
+static inline u64
+ia64_sn_plat_specific_err_print(int (*hook)(const char*, ...), char *rec)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_REENTRANT(ret_stuff, SN_SAL_PRINT_ERROR, (u64)hook, (u64)rec, 
0, 0, 0, 0, 0);
+
+       return ret_stuff.status;
+}
+
+/*
+ * Check for Platform errors
+ */
+static inline u64
+ia64_sn_plat_cpei_handler(void)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_LOG_CE, 0, 0, 0, 0, 0, 0, 0);
+
+       return ret_stuff.status;
+}
+
+/*
+ * Set Error Handling Features (Obsolete)
+ */
+static inline u64
+ia64_sn_plat_set_error_handling_features(void)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_REENTRANT(ret_stuff, SN_SAL_SET_ERROR_HANDLING_FEATURES,
+               SAL_ERR_FEAT_LOG_SBES,
+               0, 0, 0, 0, 0, 0);
+
+       return ret_stuff.status;
+}
+
+/*
+ * Checks for console input.
+ */
+static inline u64
+ia64_sn_console_check(int *result)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_POLL, 0, 0, 0, 0, 0, 0, 0);
+
+       /* result is in 'v0' */
+       *result = (int)ret_stuff.v0;
+
+       return ret_stuff.status;
+}
+
+/*
+ * Checks console interrupt status
+ */
+static inline u64
+ia64_sn_console_intr_status(void)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, 
+                0, SAL_CONSOLE_INTR_STATUS,
+                0, 0, 0, 0, 0);
+
+       if (ret_stuff.status == 0) {
+           return ret_stuff.v0;
+       }
+       
+       return 0;
+}
+
+/*
+ * Enable an interrupt on the SAL console device.
+ */
+static inline void
+ia64_sn_console_intr_enable(u64 intr)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, 
+                intr, SAL_CONSOLE_INTR_ON,
+                0, 0, 0, 0, 0);
+}
+
+/*
+ * Disable an interrupt on the SAL console device.
+ */
+static inline void
+ia64_sn_console_intr_disable(u64 intr)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, 
+                intr, SAL_CONSOLE_INTR_OFF,
+                0, 0, 0, 0, 0);
+}
+
+/*
+ * Sends a character buffer to the console asynchronously.
+ */
+static inline u64
+ia64_sn_console_xmit_chars(char *buf, int len)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_XMIT_CHARS,
+                (u64)buf, (u64)len,
+                0, 0, 0, 0, 0);
+
+       if (ret_stuff.status == 0) {
+           return ret_stuff.v0;
+       }
+
+       return 0;
+}
+
+/*
+ * Returns the iobrick module Id
+ */
+static inline u64
+ia64_sn_sysctl_iobrick_module_get(nasid_t nasid, int *result)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_SYSCTL_IOBRICK_MODULE_GET, nasid, 0, 
0, 0, 0, 0, 0);
+
+       /* result is in 'v0' */
+       *result = (int)ret_stuff.v0;
+
+       return ret_stuff.status;
+}
+
+/**
+ * ia64_sn_pod_mode - call the SN_SAL_POD_MODE function
+ *
+ * SN_SAL_POD_MODE actually takes an argument, but it's always
+ * 0 when we call it from the kernel, so we don't have to expose
+ * it to the caller.
+ */
+static inline u64
+ia64_sn_pod_mode(void)
+{
+       struct ia64_sal_retval isrv;
+       SAL_CALL_REENTRANT(isrv, SN_SAL_POD_MODE, 0, 0, 0, 0, 0, 0, 0);
+       if (isrv.status)
+               return 0;
+       return isrv.v0;
+}
+
+/**
+ * ia64_sn_probe_mem - read from memory safely
+ * @addr: address to probe
+ * @size: number bytes to read (1,2,4,8)
+ * @data_ptr: address to store value read by probe (-1 returned if probe fails)
+ *
+ * Call into the SAL to do a memory read.  If the read generates a machine
+ * check, this routine will recover gracefully and return -1 to the caller.
+ * @addr is usually a kernel virtual address in uncached space (i.e. the
+ * address starts with 0xc), but if called in physical mode, @addr should
+ * be a physical address.
+ *
+ * Return values:
+ *  0 - probe successful
+ *  1 - probe failed (generated MCA)
+ *  2 - Bad arg
+ * <0 - PAL error
+ */
+static inline u64
+ia64_sn_probe_mem(long addr, long size, void *data_ptr)
+{
+       struct ia64_sal_retval isrv;
+
+       SAL_CALL(isrv, SN_SAL_PROBE, addr, size, 0, 0, 0, 0, 0);
+
+       if (data_ptr) {
+               switch (size) {
+               case 1:
+                       *((u8*)data_ptr) = (u8)isrv.v0;
+                       break;
+               case 2:
+                       *((u16*)data_ptr) = (u16)isrv.v0;
+                       break;
+               case 4:
+                       *((u32*)data_ptr) = (u32)isrv.v0;
+                       break;
+               case 8:
+                       *((u64*)data_ptr) = (u64)isrv.v0;
+                       break;
+               default:
+                       isrv.status = 2;
+               }
+       }
+       return isrv.status;
+}
+
+/*
+ * Retrieve the system serial number as an ASCII string.
+ */
+static inline u64
+ia64_sn_sys_serial_get(char *buf)
+{
+       struct ia64_sal_retval ret_stuff;
+       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_SYS_SERIAL_GET, buf, 0, 0, 0, 0, 0, 
0);
+       return ret_stuff.status;
+}
+
+extern char sn_system_serial_number_string[];
+extern u64 sn_partition_serial_number;
+
+static inline char *
+sn_system_serial_number(void) {
+       if (sn_system_serial_number_string[0]) {
+               return(sn_system_serial_number_string);
+       } else {
+               ia64_sn_sys_serial_get(sn_system_serial_number_string);
+               return(sn_system_serial_number_string);
+       }
+}
+       
+
+/*
+ * Returns a unique id number for this system and partition (suitable for
+ * use with license managers), based in part on the system serial number.
+ */
+static inline u64
+ia64_sn_partition_serial_get(void)
+{
+       struct ia64_sal_retval ret_stuff;
+       ia64_sal_oemcall_reentrant(&ret_stuff, SN_SAL_PARTITION_SERIAL_GET, 0,
+                                  0, 0, 0, 0, 0, 0);
+       if (ret_stuff.status != 0)
+           return 0;
+       return ret_stuff.v0;
+}
+
+static inline u64
+sn_partition_serial_number_val(void) {
+       if (unlikely(sn_partition_serial_number == 0)) {
+               sn_partition_serial_number = ia64_sn_partition_serial_get();
+       }
+       return sn_partition_serial_number;
+}
+
+/*
+ * Returns the partition id of the nasid passed in as an argument,
+ * or INVALID_PARTID if the partition id cannot be retrieved.
+ */
+static inline partid_t
+ia64_sn_sysctl_partition_get(nasid_t nasid)
+{
+       struct ia64_sal_retval ret_stuff;
+       SAL_CALL(ret_stuff, SN_SAL_SYSCTL_PARTITION_GET, nasid,
+               0, 0, 0, 0, 0, 0);
+       if (ret_stuff.status != 0)
+           return -1;
+       return ((partid_t)ret_stuff.v0);
+}
+
+/*
+ * Returns the physical address of the partition's reserved page through
+ * an iterative number of calls.
+ *
+ * On first call, 'cookie' and 'len' should be set to 0, and 'addr'
+ * set to the nasid of the partition whose reserved page's address is
+ * being sought.
+ * On subsequent calls, pass the values, that were passed back on the
+ * previous call.
+ *
+ * While the return status equals SALRET_MORE_PASSES, keep calling
+ * this function after first copying 'len' bytes starting at 'addr'
+ * into 'buf'. Once the return status equals SALRET_OK, 'addr' will
+ * be the physical address of the partition's reserved page. If the
+ * return status equals neither of these, an error as occurred.
+ */
+static inline s64
+sn_partition_reserved_page_pa(u64 buf, u64 *cookie, u64 *addr, u64 *len)
+{
+       struct ia64_sal_retval rv;
+       ia64_sal_oemcall_reentrant(&rv, SN_SAL_GET_PARTITION_ADDR, *cookie,
+                                  *addr, buf, *len, 0, 0, 0);
+       *cookie = rv.v0;
+       *addr = rv.v1;
+       *len = rv.v2;
+       return rv.status;
+}
+
+/*
+ * Register or unregister a physical address range being referenced across
+ * a partition boundary for which certain SAL errors should be scanned for,
+ * cleaned up and ignored.  This is of value for kernel partitioning code only.
+ * Values for the operation argument:
+ *     1 = register this address range with SAL
+ *     0 = unregister this address range with SAL
+ * 
+ * SAL maintains a reference count on an address range in case it is registered
+ * multiple times.
+ * 
+ * On success, returns the reference count of the address range after the SAL
+ * call has performed the current registration/unregistration.  Returns a
+ * negative value if an error occurred.
+ */
+static inline int
+sn_register_xp_addr_region(u64 paddr, u64 len, int operation)
+{
+       struct ia64_sal_retval ret_stuff;
+       ia64_sal_oemcall(&ret_stuff, SN_SAL_XP_ADDR_REGION, paddr, len,
+                        (u64)operation, 0, 0, 0, 0);
+       return ret_stuff.status;
+}
+
+/*
+ * Register or unregister an instruction range for which SAL errors should
+ * be ignored.  If an error occurs while in the registered range, SAL jumps
+ * to return_addr after ignoring the error.  Values for the operation argument:
+ *     1 = register this instruction range with SAL
+ *     0 = unregister this instruction range with SAL
+ *
+ * Returns 0 on success, or a negative value if an error occurred.
+ */
+static inline int
+sn_register_nofault_code(u64 start_addr, u64 end_addr, u64 return_addr,
+                        int virtual, int operation)
+{
+       struct ia64_sal_retval ret_stuff;
+       u64 call;
+       if (virtual) {
+               call = SN_SAL_NO_FAULT_ZONE_VIRTUAL;
+       } else {
+               call = SN_SAL_NO_FAULT_ZONE_PHYSICAL;
+       }
+       ia64_sal_oemcall(&ret_stuff, call, start_addr, end_addr, return_addr,
+                        (u64)1, 0, 0, 0);
+       return ret_stuff.status;
+}
+
+/*
+ * Change or query the coherence domain for this partition. Each cpu-based
+ * nasid is represented by a bit in an array of 64-bit words:
+ *      0 = not in this partition's coherency domain
+ *      1 = in this partition's coherency domain
+ *
+ * It is not possible for the local system's nasids to be removed from
+ * the coherency domain.  Purpose of the domain arguments:
+ *      new_domain = set the coherence domain to the given nasids
+ *      old_domain = return the current coherence domain
+ *
+ * Returns 0 on success, or a negative value if an error occurred.
+ */
+static inline int
+sn_change_coherence(u64 *new_domain, u64 *old_domain)
+{
+       struct ia64_sal_retval ret_stuff;
+       ia64_sal_oemcall(&ret_stuff, SN_SAL_COHERENCE, (u64)new_domain,
+                        (u64)old_domain, 0, 0, 0, 0, 0);
+       return ret_stuff.status;
+}
+
+/*
+ * Change memory access protections for a physical address range.
+ * nasid_array is not used on Altix, but may be in future architectures.
+ * Available memory protection access classes are defined after the function.
+ */
+static inline int
+sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len,
+                               (u64)nasid_array, perms, 0, 0, 0);
+       return ret_stuff.status;
+}
+#define SN_MEMPROT_ACCESS_CLASS_0              0x14a080
+#define SN_MEMPROT_ACCESS_CLASS_1              0x2520c2
+#define SN_MEMPROT_ACCESS_CLASS_2              0x14a1ca
+#define SN_MEMPROT_ACCESS_CLASS_3              0x14a290
+#define SN_MEMPROT_ACCESS_CLASS_6              0x084080
+#define SN_MEMPROT_ACCESS_CLASS_7              0x021080
+
+/*
+ * Turns off system power.
+ */
+static inline void
+ia64_sn_power_down(void)
+{
+       struct ia64_sal_retval ret_stuff;
+       SAL_CALL(ret_stuff, SN_SAL_SYSTEM_POWER_DOWN, 0, 0, 0, 0, 0, 0, 0);
+       while(1)
+               cpu_relax();
+       /* never returns */
+}
+
+/**
+ * ia64_sn_fru_capture - tell the system controller to capture hw state
+ *
+ * This routine will call the SAL which will tell the system controller(s)
+ * to capture hw mmr information from each SHub in the system.
+ */
+static inline u64
+ia64_sn_fru_capture(void)
+{
+        struct ia64_sal_retval isrv;
+        SAL_CALL(isrv, SN_SAL_SYSCTL_FRU_CAPTURE, 0, 0, 0, 0, 0, 0, 0);
+        if (isrv.status)
+                return 0;
+        return isrv.v0;
+}
+
+/*
+ * Performs an operation on a PCI bus or slot -- power up, power down
+ * or reset.
+ */
+static inline u64
+ia64_sn_sysctl_iobrick_pci_op(nasid_t n, u64 connection_type, 
+                             u64 bus, char slot, 
+                             u64 action)
+{
+       struct ia64_sal_retval rv = {0, 0, 0, 0};
+
+       SAL_CALL_NOLOCK(rv, SN_SAL_SYSCTL_IOBRICK_PCI_OP, connection_type, n, 
action,
+                bus, (u64) slot, 0, 0);
+       if (rv.status)
+               return rv.v0;
+       return 0;
+}
+
+
+/*
+ * Open a subchannel for sending arbitrary data to the system
+ * controller network via the system controller device associated with
+ * 'nasid'.  Return the subchannel number or a negative error code.
+ */
+static inline int
+ia64_sn_irtr_open(nasid_t nasid)
+{
+       struct ia64_sal_retval rv;
+       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_OPEN, nasid,
+                          0, 0, 0, 0, 0);
+       return (int) rv.v0;
+}
+
+/*
+ * Close system controller subchannel 'subch' previously opened on 'nasid'.
+ */
+static inline int
+ia64_sn_irtr_close(nasid_t nasid, int subch)
+{
+       struct ia64_sal_retval rv;
+       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_CLOSE,
+                          (u64) nasid, (u64) subch, 0, 0, 0, 0);
+       return (int) rv.status;
+}
+
+/*
+ * Read data from system controller associated with 'nasid' on
+ * subchannel 'subch'.  The buffer to be filled is pointed to by
+ * 'buf', and its capacity is in the integer pointed to by 'len'.  The
+ * referent of 'len' is set to the number of bytes read by the SAL
+ * call.  The return value is either SALRET_OK (for bytes read) or
+ * SALRET_ERROR (for error or "no data available").
+ */
+static inline int
+ia64_sn_irtr_recv(nasid_t nasid, int subch, char *buf, int *len)
+{
+       struct ia64_sal_retval rv;
+       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_RECV,
+                          (u64) nasid, (u64) subch, (u64) buf, (u64) len,
+                          0, 0);
+       return (int) rv.status;
+}
+
+/*
+ * Write data to the system controller network via the system
+ * controller associated with 'nasid' on suchannel 'subch'.  The
+ * buffer to be written out is pointed to by 'buf', and 'len' is the
+ * number of bytes to be written.  The return value is either the
+ * number of bytes written (which could be zero) or a negative error
+ * code.
+ */
+static inline int
+ia64_sn_irtr_send(nasid_t nasid, int subch, char *buf, int len)
+{
+       struct ia64_sal_retval rv;
+       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_SEND,
+                          (u64) nasid, (u64) subch, (u64) buf, (u64) len,
+                          0, 0);
+       return (int) rv.v0;
+}
+
+/*
+ * Check whether any interrupts are pending for the system controller
+ * associated with 'nasid' and its subchannel 'subch'.  The return
+ * value is a mask of pending interrupts (SAL_IROUTER_INTR_XMIT and/or
+ * SAL_IROUTER_INTR_RECV).
+ */
+static inline int
+ia64_sn_irtr_intr(nasid_t nasid, int subch)
+{
+       struct ia64_sal_retval rv;
+       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_STATUS,
+                          (u64) nasid, (u64) subch, 0, 0, 0, 0);
+       return (int) rv.v0;
+}
+
+/*
+ * Enable the interrupt indicated by the intr parameter (either
+ * SAL_IROUTER_INTR_XMIT or SAL_IROUTER_INTR_RECV).
+ */
+static inline int
+ia64_sn_irtr_intr_enable(nasid_t nasid, int subch, u64 intr)
+{
+       struct ia64_sal_retval rv;
+       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_ON,
+                          (u64) nasid, (u64) subch, intr, 0, 0, 0);
+       return (int) rv.v0;
+}
+
+/*
+ * Disable the interrupt indicated by the intr parameter (either
+ * SAL_IROUTER_INTR_XMIT or SAL_IROUTER_INTR_RECV).
+ */
+static inline int
+ia64_sn_irtr_intr_disable(nasid_t nasid, int subch, u64 intr)
+{
+       struct ia64_sal_retval rv;
+       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_OFF,
+                          (u64) nasid, (u64) subch, intr, 0, 0, 0);
+       return (int) rv.v0;
+}
+
+/*
+ * Set up a node as the point of contact for system controller
+ * environmental event delivery.
+ */
+static inline int
+ia64_sn_sysctl_event_init(nasid_t nasid)
+{
+        struct ia64_sal_retval rv;
+        SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_EVENT, (u64) nasid,
+                          0, 0, 0, 0, 0, 0);
+        return (int) rv.v0;
+}
+
+/*
+ * Ask the system controller on the specified nasid to reset
+ * the CX corelet clock.  Only valid on TIO nodes.
+ */
+static inline int
+ia64_sn_sysctl_tio_clock_reset(nasid_t nasid)
+{
+       struct ia64_sal_retval rv;
+       SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_TIO_JLCK_RST,
+                       nasid, 0, 0, 0, 0, 0);
+       if (rv.status != 0)
+               return (int)rv.status;
+       if (rv.v0 != 0)
+               return (int)rv.v0;
+
+       return 0;
+}
+
+/*
+ * Get the associated ioboard type for a given nasid.
+ */
+static inline s64
+ia64_sn_sysctl_ioboard_get(nasid_t nasid, u16 *ioboard)
+{
+       struct ia64_sal_retval isrv;
+       SAL_CALL_REENTRANT(isrv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_IOBOARD,
+                          nasid, 0, 0, 0, 0, 0);
+       if (isrv.v0 != 0) {
+               *ioboard = isrv.v0;
+               return isrv.status;
+       }
+       if (isrv.v1 != 0) {
+               *ioboard = isrv.v1;
+               return isrv.status;
+       }
+
+       return isrv.status;
+}
+
+/**
+ * ia64_sn_get_fit_compt - read a FIT entry from the PROM header
+ * @nasid: NASID of node to read
+ * @index: FIT entry index to be retrieved (0..n)
+ * @fitentry: 16 byte buffer where FIT entry will be stored.
+ * @banbuf: optional buffer for retrieving banner
+ * @banlen: length of banner buffer
+ *
+ * Access to the physical PROM chips needs to be serialized since reads and
+ * writes can't occur at the same time, so we need to call into the SAL when
+ * we want to look at the FIT entries on the chips.
+ *
+ * Returns:
+ *     %SALRET_OK if ok
+ *     %SALRET_INVALID_ARG if index too big
+ *     %SALRET_NOT_IMPLEMENTED if running on older PROM
+ *     ??? if nasid invalid OR banner buffer not large enough
+ */
+static inline int
+ia64_sn_get_fit_compt(u64 nasid, u64 index, void *fitentry, void *banbuf,
+                     u64 banlen)
+{
+       struct ia64_sal_retval rv;
+       SAL_CALL_NOLOCK(rv, SN_SAL_GET_FIT_COMPT, nasid, index, fitentry,
+                       banbuf, banlen, 0, 0);
+       return (int) rv.status;
+}
+
+/*
+ * Initialize the SAL components of the system controller
+ * communication driver; specifically pass in a sizable buffer that
+ * can be used for allocation of subchannel queues as new subchannels
+ * are opened.  "buf" points to the buffer, and "len" specifies its
+ * length.
+ */
+static inline int
+ia64_sn_irtr_init(nasid_t nasid, void *buf, int len)
+{
+       struct ia64_sal_retval rv;
+       SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INIT,
+                          (u64) nasid, (u64) buf, (u64) len, 0, 0, 0);
+       return (int) rv.status;
+}
+
+/*
+ * Returns the nasid, subnode & slice corresponding to a SAPIC ID
+ *
+ *  In:
+ *     arg0 - SN_SAL_GET_SAPIC_INFO
+ *     arg1 - sapicid (lid >> 16) 
+ *  Out:
+ *     v0 - nasid
+ *     v1 - subnode
+ *     v2 - slice
+ */
+static inline u64
+ia64_sn_get_sapic_info(int sapicid, int *nasid, int *subnode, int *slice)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SAPIC_INFO, sapicid, 0, 0, 0, 0, 
0, 0);
+
+/***** BEGIN HACK - temp til old proms no longer supported ********/
+       if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) {
+               if (nasid) *nasid = sapicid & 0xfff;
+               if (subnode) *subnode = (sapicid >> 13) & 1;
+               if (slice) *slice = (sapicid >> 12) & 3;
+               return 0;
+       }
+/***** END HACK *******/
+
+       if (ret_stuff.status < 0)
+               return ret_stuff.status;
+
+       if (nasid) *nasid = (int) ret_stuff.v0;
+       if (subnode) *subnode = (int) ret_stuff.v1;
+       if (slice) *slice = (int) ret_stuff.v2;
+       return 0;
+}
+ 
+/*
+ * Returns information about the HUB/SHUB.
+ *  In:
+ *     arg0 - SN_SAL_GET_SN_INFO
+ *     arg1 - 0 (other values reserved for future use)
+ *  Out:
+ *     v0 
+ *             [7:0]   - shub type (0=shub1, 1=shub2)
+ *             [15:8]  - Log2 max number of nodes in entire system (includes
+ *                       C-bricks, I-bricks, etc)
+ *             [23:16] - Log2 of nodes per sharing domain                      
 
+ *             [31:24] - partition ID
+ *             [39:32] - coherency_id
+ *             [47:40] - regionsize
+ *     v1 
+ *             [15:0]  - nasid mask (ex., 0x7ff for 11 bit nasid)
+ *             [23:15] - bit position of low nasid bit
+ */
+static inline u64
+ia64_sn_get_sn_info(int fc, u8 *shubtype, u16 *nasid_bitmask, u8 *nasid_shift, 
+               u8 *systemsize, u8 *sharing_domain_size, u8 *partid, u8 *coher, 
u8 *reg)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+       ret_stuff.v1 = 0;
+       ret_stuff.v2 = 0;
+       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SN_INFO, fc, 0, 0, 0, 0, 0, 0);
+
+/***** BEGIN HACK - temp til old proms no longer supported ********/
+       if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) {
+               int nasid = get_sapicid() & 0xfff;
+#define SH_SHUB_ID_NODES_PER_BIT_MASK 0x001f000000000000UL
+#define SH_SHUB_ID_NODES_PER_BIT_SHFT 48
+               if (shubtype) *shubtype = 0;
+               if (nasid_bitmask) *nasid_bitmask = 0x7ff;
+               if (nasid_shift) *nasid_shift = 38;
+               if (systemsize) *systemsize = 10;
+               if (sharing_domain_size) *sharing_domain_size = 8;
+               if (partid) *partid = ia64_sn_sysctl_partition_get(nasid);
+               if (coher) *coher = nasid >> 9;
+               if (reg) *reg = (HUB_L((u64 *) LOCAL_MMR_ADDR(SH1_SHUB_ID)) & 
SH_SHUB_ID_NODES_PER_BIT_MASK) >>
+                       SH_SHUB_ID_NODES_PER_BIT_SHFT;
+               return 0;
+       }
+/***** END HACK *******/
+
+       if (ret_stuff.status < 0)
+               return ret_stuff.status;
+
+       if (shubtype) *shubtype = ret_stuff.v0 & 0xff;
+       if (systemsize) *systemsize = (ret_stuff.v0 >> 8) & 0xff;
+       if (sharing_domain_size) *sharing_domain_size = (ret_stuff.v0 >> 16) & 
0xff;
+       if (partid) *partid = (ret_stuff.v0 >> 24) & 0xff;
+       if (coher) *coher = (ret_stuff.v0 >> 32) & 0xff;
+       if (reg) *reg = (ret_stuff.v0 >> 40) & 0xff;
+       if (nasid_bitmask) *nasid_bitmask = (ret_stuff.v1 & 0xffff);
+       if (nasid_shift) *nasid_shift = (ret_stuff.v1 >> 16) & 0xff;
+       return 0;
+}
+ 
+/*
+ * This is the access point to the Altix PROM hardware performance
+ * and status monitoring interface. For info on using this, see
+ * include/asm-ia64/sn/sn2/sn_hwperf.h
+ */
+static inline int
+ia64_sn_hwperf_op(nasid_t nasid, u64 opcode, u64 a0, u64 a1, u64 a2,
+                  u64 a3, u64 a4, int *v0)
+{
+       struct ia64_sal_retval rv;
+       SAL_CALL_NOLOCK(rv, SN_SAL_HWPERF_OP, (u64)nasid,
+               opcode, a0, a1, a2, a3, a4);
+       if (v0)
+               *v0 = (int) rv.v0;
+       return (int) rv.status;
+}
+
+static inline int
+ia64_sn_ioif_get_pci_topology(u64 buf, u64 len)
+{
+       struct ia64_sal_retval rv;
+       SAL_CALL_NOLOCK(rv, SN_SAL_IOIF_GET_PCI_TOPOLOGY, buf, len, 0, 0, 0, 0, 
0);
+       return (int) rv.status;
+}
+
+/*
+ * BTE error recovery is implemented in SAL
+ */
+static inline int
+ia64_sn_bte_recovery(nasid_t nasid)
+{
+       struct ia64_sal_retval rv;
+
+       rv.status = 0;
+       SAL_CALL_NOLOCK(rv, SN_SAL_BTE_RECOVER, (u64)nasid, 0, 0, 0, 0, 0, 0);
+       if (rv.status == SALRET_NOT_IMPLEMENTED)
+               return 0;
+       return (int) rv.status;
+}
+
+static inline int
+ia64_sn_is_fake_prom(void)
+{
+       struct ia64_sal_retval rv;
+       SAL_CALL_NOLOCK(rv, SN_SAL_FAKE_PROM, 0, 0, 0, 0, 0, 0, 0);
+       return (rv.status == 0);
+}
+
+static inline int
+ia64_sn_get_prom_feature_set(int set, unsigned long *feature_set)
+{
+       struct ia64_sal_retval rv;
+
+       SAL_CALL_NOLOCK(rv, SN_SAL_GET_PROM_FEATURE_SET, set, 0, 0, 0, 0, 0, 0);
+       if (rv.status != 0)
+               return rv.status;
+       *feature_set = rv.v0;
+       return 0;
+}
+
+static inline int
+ia64_sn_set_os_feature(int feature)
+{
+       struct ia64_sal_retval rv;
+
+       SAL_CALL_NOLOCK(rv, SN_SAL_SET_OS_FEATURE_SET, feature, 0, 0, 0, 0, 0, 
0);
+       return rv.status;
+}
+
+static inline int
+sn_inject_error(u64 paddr, u64 *data, u64 *ecc)
+{
+       struct ia64_sal_retval ret_stuff;
+
+       ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_INJECT_ERROR, paddr, 
(u64)data,
+                               (u64)ecc, 0, 0, 0, 0);
+       return ret_stuff.status;
+}
+
+static inline int
+ia64_sn_set_cpu_number(int cpu)
+{
+       struct ia64_sal_retval rv;
+
+       SAL_CALL_NOLOCK(rv, SN_SAL_SET_CPU_NUMBER, cpu, 0, 0, 0, 0, 0, 0);
+       return rv.status;
+}
+#endif /* _ASM_IA64_SN_SN_SAL_H */

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