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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [linux-2.6.18-xen] merge with linux-2.6.18-xen.hg
# HG changeset patch
# User Alex Williamson <alex.williamson@xxxxxx>
# Date 1187283526 21600
# Node ID 60d8f0befd1810571b562a5120ced76868c86096
# Parent 41b7a0d7c2adcf6b77602ecf37883c98c5d20acc
# Parent 05c22f28202356d65d4f62692ff7c43bcdb0827a
merge with linux-2.6.18-xen.hg
---
include/asm-i386/mach-xen/asm/floppy.h | 147 -------------------
include/asm-x86_64/mach-xen/asm/floppy.h | 206 ----------------------------
arch/i386/kernel/setup-xen.c | 5
arch/powerpc/platforms/xen/hcall.c | 56 +++----
arch/powerpc/platforms/xen/setup.h | 2
arch/x86_64/kernel/setup-xen.c | 4
drivers/block/floppy.c | 14 +
drivers/pnp/manager.c | 32 +---
drivers/xen/core/reboot.c | 3
drivers/xen/core/xencomm.c | 20 +-
drivers/xen/netfront/netfront.c | 43 ++---
drivers/xen/xenbus/xenbus_client.c | 1
drivers/xen/xenbus/xenbus_comms.c | 1
drivers/xen/xenbus/xenbus_probe.c | 1
include/asm-i386/mach-xen/asm/hypercall.h | 3
include/asm-i386/mach-xen/asm/io.h | 2
include/asm-x86_64/mach-xen/asm/hypercall.h | 3
include/asm-x86_64/mach-xen/asm/io.h | 2
include/xen/cpu_hotplug.h | 3
include/xen/xencomm.h | 42 ++++-
20 files changed, 139 insertions(+), 451 deletions(-)
diff -r 41b7a0d7c2ad -r 60d8f0befd18 arch/i386/kernel/setup-xen.c
--- a/arch/i386/kernel/setup-xen.c Sun Aug 12 15:04:04 2007 -0600
+++ b/arch/i386/kernel/setup-xen.c Thu Aug 16 10:58:46 2007 -0600
@@ -1826,6 +1826,11 @@ void __init setup_arch(char **cmdline_p)
virt_to_mfn(pfn_to_mfn_frame_list_list);
}
+ /* Mark all ISA DMA channels in-use - using them wouldn't work. */
+ for (i = 0; i < MAX_DMA_CHANNELS; ++i)
+ if (i != 4 && request_dma(i, "xen") != 0)
+ BUG();
+
/*
* NOTE: at this point the bootmem allocator is fully available.
*/
diff -r 41b7a0d7c2ad -r 60d8f0befd18 arch/powerpc/platforms/xen/hcall.c
--- a/arch/powerpc/platforms/xen/hcall.c Sun Aug 12 15:04:04 2007 -0600
+++ b/arch/powerpc/platforms/xen/hcall.c Thu Aug 16 10:58:46 2007 -0600
@@ -56,7 +56,7 @@
int HYPERVISOR_console_io(int cmd, int count, char *str)
{
- void *desc;
+ struct xencomm_handle *desc;
int rc;
desc = xencomm_map_no_alloc(str, count);
@@ -76,7 +76,8 @@ int HYPERVISOR_event_channel_op(int cmd,
{
int rc;
- void *desc = xencomm_map_no_alloc(op, sizeof(evtchn_op_t));
+ struct xencomm_handle *desc =
+ xencomm_map_no_alloc(op, sizeof(evtchn_op_t));
if (desc == NULL)
return -EINVAL;
@@ -92,7 +93,7 @@ EXPORT_SYMBOL(HYPERVISOR_event_channel_o
int HYPERVISOR_xen_version(int cmd, void *arg)
{
- void *desc;
+ struct xencomm_handle *desc;
const unsigned long hcall = __HYPERVISOR_xen_version;
int argsize;
int rc;
@@ -144,7 +145,8 @@ EXPORT_SYMBOL(HYPERVISOR_xen_version);
int HYPERVISOR_physdev_op(int cmd, void *op)
{
- void *desc = xencomm_map_no_alloc(op, sizeof(physdev_op_t));
+ struct xencomm_handle *desc =
+ xencomm_map_no_alloc(op, sizeof(physdev_op_t));
int rc;
if (desc == NULL)
@@ -163,8 +165,8 @@ int HYPERVISOR_sched_op(int cmd, void *a
{
int argsize = 0;
int rc = -EINVAL;
- void *desc;
- evtchn_port_t *ports = NULL;
+ struct xencomm_handle *desc;
+ struct xencomm_handle *ports = NULL;
switch (cmd) {
case SCHEDOP_yield:
@@ -187,7 +189,7 @@ int HYPERVISOR_sched_op(int cmd, void *a
if (ports == NULL)
return -ENOMEM;
- set_xen_guest_handle(sched_poll.ports, ports);
+ set_xen_guest_handle(sched_poll.ports, (evtchn_port_t *)ports);
memcpy(arg, &sched_poll, sizeof(sched_poll));
}
@@ -222,7 +224,7 @@ int HYPERVISOR_suspend(unsigned long sre
struct sched_shutdown sched_shutdown = {
.reason = SHUTDOWN_suspend,
};
- void *desc;
+ struct xencomm_handle *desc;
desc = xencomm_map_no_alloc(&sched_shutdown, sizeof(struct
sched_shutdown));
@@ -234,7 +236,7 @@ int HYPERVISOR_kexec_op(unsigned long op
int HYPERVISOR_kexec_op(unsigned long op, void *args)
{
unsigned long argsize;
- void *desc;
+ struct xencomm_handle *desc;
switch (op) {
case KEXEC_CMD_kexec_get_range:
@@ -316,8 +318,8 @@ static int xenppc_privcmd_domctl(privcmd
{
xen_domctl_t kern_op;
xen_domctl_t __user *user_op = (xen_domctl_t __user *)hypercall->arg[0];
- void *op_desc;
- void *desc = NULL;
+ struct xencomm_handle *op_desc;
+ struct xencomm_handle *desc = NULL;
int ret = 0;
if (copy_from_user(&kern_op, user_op, sizeof(xen_domctl_t)))
@@ -349,7 +351,7 @@ static int xenppc_privcmd_domctl(privcmd
ret = -ENOMEM;
set_xen_guest_handle(kern_op.u.getmemlist.buffer,
- desc);
+ (void *)desc);
break;
case XEN_DOMCTL_getpageframeinfo:
break;
@@ -362,7 +364,7 @@ static int xenppc_privcmd_domctl(privcmd
ret = -ENOMEM;
set_xen_guest_handle(kern_op.u.getpageframeinfo2.array,
- desc);
+ (void *)desc);
break;
case XEN_DOMCTL_shadow_op:
@@ -376,7 +378,7 @@ static int xenppc_privcmd_domctl(privcmd
ret = -ENOMEM;
set_xen_guest_handle(kern_op.u.shadow_op.dirty_bitmap,
- desc);
+ (void *)desc);
}
break;
case XEN_DOMCTL_max_mem:
@@ -391,7 +393,7 @@ static int xenppc_privcmd_domctl(privcmd
ret = -ENOMEM;
set_xen_guest_handle(kern_op.u.vcpucontext.ctxt,
- desc);
+ (void *)desc);
break;
case XEN_DOMCTL_getvcpuinfo:
break;
@@ -405,7 +407,7 @@ static int xenppc_privcmd_domctl(privcmd
ret = -ENOMEM;
set_xen_guest_handle(kern_op.u.vcpuaffinity.cpumap.bitmap,
- desc);
+ (void *)desc);
break;
case XEN_DOMCTL_max_vcpus:
case XEN_DOMCTL_scheduler_op:
@@ -442,8 +444,8 @@ static int xenppc_privcmd_sysctl(privcmd
{
xen_sysctl_t kern_op;
xen_sysctl_t __user *user_op = (xen_sysctl_t __user *)hypercall->arg[0];
- struct xencomm_desc *op_desc;
- void *desc = NULL;
+ struct xencomm_handle *op_desc;
+ struct xencomm_handle *desc = NULL;
int ret = 0;
if (copy_from_user(&kern_op, user_op, sizeof(xen_sysctl_t)))
@@ -470,7 +472,7 @@ static int xenppc_privcmd_sysctl(privcmd
ret = -ENOMEM;
set_xen_guest_handle(kern_op.u.readconsole.buffer,
- desc);
+ (void *)desc);
break;
case XEN_SYSCTL_tbuf_op:
case XEN_SYSCTL_physinfo:
@@ -491,7 +493,7 @@ static int xenppc_privcmd_sysctl(privcmd
ret = -ENOMEM;
set_xen_guest_handle(kern_op.u.getdomaininfolist.buffer,
- desc);
+ (void *)desc);
break;
default:
printk(KERN_ERR "%s: unknown sysctl cmd %d\n", __func__,
kern_op.cmd);
@@ -517,8 +519,8 @@ static int xenppc_privcmd_platform_op(pr
xen_platform_op_t kern_op;
xen_platform_op_t __user *user_op =
(xen_platform_op_t __user *)hypercall->arg[0];
- void *op_desc;
- void *desc = NULL;
+ struct xencomm_handle *op_desc;
+ struct xencomm_handle *desc = NULL;
int ret = 0;
if (copy_from_user(&kern_op, user_op, sizeof(xen_platform_op_t)))
@@ -566,7 +568,7 @@ int HYPERVISOR_memory_op(unsigned int cm
int HYPERVISOR_memory_op(unsigned int cmd, void *arg)
{
int ret;
- void *op_desc;
+ struct xencomm_handle *op_desc;
xen_memory_reservation_t *mop;
@@ -581,7 +583,7 @@ int HYPERVISOR_memory_op(unsigned int cm
case XENMEM_increase_reservation:
case XENMEM_decrease_reservation:
case XENMEM_populate_physmap: {
- void *desc = NULL;
+ struct xencomm_handle *desc = NULL;
if (xen_guest_handle(mop->extent_start)) {
desc = xencomm_map(
@@ -595,7 +597,7 @@ int HYPERVISOR_memory_op(unsigned int cm
}
set_xen_guest_handle(mop->extent_start,
- desc);
+ (void *)desc);
}
ret = plpar_hcall_norets(XEN_MARK(__HYPERVISOR_memory_op),
@@ -650,7 +652,7 @@ static int xenppc_privcmd_version(privcm
static int xenppc_privcmd_event_channel_op(privcmd_hypercall_t *hypercall)
{
- struct xencomm_desc *desc;
+ struct xencomm_handle *desc;
unsigned int argsize;
int ret;
@@ -856,7 +858,7 @@ int HYPERVISOR_vcpu_op(int cmd, int vcpu
{
int argsize;
const unsigned long hcall = __HYPERVISOR_vcpu_op;
- void *desc;
+ struct xencomm_handle *desc;
int rc;
switch (cmd) {
diff -r 41b7a0d7c2ad -r 60d8f0befd18 arch/powerpc/platforms/xen/setup.h
--- a/arch/powerpc/platforms/xen/setup.h Sun Aug 12 15:04:04 2007 -0600
+++ b/arch/powerpc/platforms/xen/setup.h Thu Aug 16 10:58:46 2007 -0600
@@ -40,8 +40,6 @@ static inline u64 jiffies_to_ns(unsigned
return j * (1000000000UL / HZ);
}
-#define xen_guest_handle(hnd) ((hnd).p)
-
extern struct page *alloc_foreign_page(void);
extern void free_foreign_page(struct page *page);
diff -r 41b7a0d7c2ad -r 60d8f0befd18 arch/x86_64/kernel/setup-xen.c
--- a/arch/x86_64/kernel/setup-xen.c Sun Aug 12 15:04:04 2007 -0600
+++ b/arch/x86_64/kernel/setup-xen.c Thu Aug 16 10:58:46 2007 -0600
@@ -863,6 +863,10 @@ void __init setup_arch(char **cmdline_p)
virt_to_mfn(pfn_to_mfn_frame_list_list);
}
+ /* Mark all ISA DMA channels in-use - using them wouldn't work.
*/
+ for (i = 0; i < MAX_DMA_CHANNELS; ++i)
+ if (i != 4 && request_dma(i, "xen") != 0)
+ BUG();
}
if (!is_initial_xendomain()) {
diff -r 41b7a0d7c2ad -r 60d8f0befd18 drivers/block/floppy.c
--- a/drivers/block/floppy.c Sun Aug 12 15:04:04 2007 -0600
+++ b/drivers/block/floppy.c Thu Aug 16 10:58:46 2007 -0600
@@ -4392,11 +4392,15 @@ static int floppy_grab_irq_and_dma(void)
if (fd_request_dma()) {
DPRINT("Unable to grab DMA%d for the floppy driver\n",
FLOPPY_DMA);
- fd_free_irq();
- spin_lock_irqsave(&floppy_usage_lock, flags);
- usage_count--;
- spin_unlock_irqrestore(&floppy_usage_lock, flags);
- return -1;
+ if (can_use_virtual_dma & 2)
+ use_virtual_dma = can_use_virtual_dma = 1;
+ if (!(can_use_virtual_dma & 1)) {
+ fd_free_irq();
+ spin_lock_irqsave(&floppy_usage_lock, flags);
+ usage_count--;
+ spin_unlock_irqrestore(&floppy_usage_lock, flags);
+ return -1;
+ }
}
for (fdc = 0; fdc < N_FDC; fdc++) {
diff -r 41b7a0d7c2ad -r 60d8f0befd18 drivers/pnp/manager.c
--- a/drivers/pnp/manager.c Sun Aug 12 15:04:04 2007 -0600
+++ b/drivers/pnp/manager.c Thu Aug 16 10:58:46 2007 -0600
@@ -168,7 +168,7 @@ static int pnp_assign_irq(struct pnp_dev
return 0;
}
-static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)
+static void pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)
{
resource_size_t *start, *end;
unsigned long *flags;
@@ -179,18 +179,14 @@ static int pnp_assign_dma(struct pnp_dev
1, 3, 5, 6, 7, 0, 2, 4
};
- if (!dev || !rule)
- return -EINVAL;
-
if (idx >= PNP_MAX_DMA) {
pnp_err("More than 2 dmas is incompatible with pnp
specifications.");
- /* pretend we were successful so at least the manager won't try
again */
- return 1;
+ return;
}
/* check if this resource has been manually set, if so skip */
if (!(dev->res.dma_resource[idx].flags & IORESOURCE_AUTO))
- return 1;
+ return;
start = &dev->res.dma_resource[idx].start;
end = &dev->res.dma_resource[idx].end;
@@ -199,20 +195,18 @@ static int pnp_assign_dma(struct pnp_dev
/* set the initial values */
*flags |= rule->flags | IORESOURCE_DMA;
*flags &= ~IORESOURCE_UNSET;
-
- if (!rule->map) {
- *flags |= IORESOURCE_DISABLED;
- return 1; /* skip disabled resource requests */
- }
for (i = 0; i < 8; i++) {
if(rule->map & (1<<xtab[i])) {
*start = *end = xtab[i];
if(pnp_check_dma(dev, idx))
- return 1;
- }
- }
- return 0;
+ return;
+ }
+ }
+#ifdef MAX_DMA_CHANNELS
+ *start = *end = MAX_DMA_CHANNELS;
+#endif
+ *flags |= IORESOURCE_UNSET | IORESOURCE_DISABLED;
}
/**
@@ -331,8 +325,7 @@ static int pnp_assign_resources(struct p
irq = irq->next;
}
while (dma) {
- if (!pnp_assign_dma(dev, dma, ndma))
- goto fail;
+ pnp_assign_dma(dev, dma, ndma);
ndma++;
dma = dma->next;
}
@@ -367,8 +360,7 @@ static int pnp_assign_resources(struct p
irq = irq->next;
}
while (dma) {
- if (!pnp_assign_dma(dev, dma, ndma))
- goto fail;
+ pnp_assign_dma(dev, dma, ndma);
ndma++;
dma = dma->next;
}
diff -r 41b7a0d7c2ad -r 60d8f0befd18 drivers/xen/core/reboot.c
--- a/drivers/xen/core/reboot.c Sun Aug 12 15:04:04 2007 -0600
+++ b/drivers/xen/core/reboot.c Thu Aug 16 10:58:46 2007 -0600
@@ -7,7 +7,10 @@
#include <linux/sysrq.h>
#include <asm/hypervisor.h>
#include <xen/xenbus.h>
+#include <linux/kmod.h>
#include <linux/kthread.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
#ifdef HAVE_XEN_PLATFORM_COMPAT_H
#include <xen/platform-compat.h>
diff -r 41b7a0d7c2ad -r 60d8f0befd18 drivers/xen/core/xencomm.c
--- a/drivers/xen/core/xencomm.c Sun Aug 12 15:04:04 2007 -0600
+++ b/drivers/xen/core/xencomm.c Thu Aug 16 10:58:46 2007 -0600
@@ -23,6 +23,9 @@
#include <asm/page.h>
#include <xen/xencomm.h>
#include <xen/interface/xen.h>
+#ifdef __ia64__
+#include <asm/xen/xencomm.h> /* for is_kern_addr() */
+#endif
static int xencomm_init(struct xencomm_desc *desc,
void *buffer, unsigned long bytes)
@@ -80,7 +83,7 @@ static struct xencomm_desc *xencomm_allo
return desc;
}
-void xencomm_free(void *desc)
+void xencomm_free(struct xencomm_handle *desc)
{
if (desc && !((ulong)desc & XENCOMM_INLINE_FLAG))
free_page((unsigned long)__va(desc));
@@ -111,7 +114,7 @@ static int xencomm_create(void *buffer,
rc = xencomm_init(desc, buffer, bytes);
if (rc) {
printk("%s failure: %d\n", "xencomm_init", rc);
- xencomm_free(desc);
+ xencomm_free((struct xencomm_handle *)__pa(desc));
return rc;
}
@@ -128,7 +131,7 @@ static int is_phys_contiguous(unsigned l
return (addr < VMALLOC_START) || (addr >= VMALLOC_END);
}
-static void *xencomm_create_inline(void *ptr)
+static struct xencomm_handle *xencomm_create_inline(void *ptr)
{
unsigned long paddr;
@@ -136,7 +139,7 @@ static void *xencomm_create_inline(void
paddr = (unsigned long)xencomm_pa(ptr);
BUG_ON(paddr & XENCOMM_INLINE_FLAG);
- return (void *)(paddr | XENCOMM_INLINE_FLAG);
+ return (struct xencomm_handle *)(paddr | XENCOMM_INLINE_FLAG);
}
/* "mini" routine, for stack-based communications: */
@@ -146,6 +149,7 @@ static int xencomm_create_mini(void *buf
{
int rc = 0;
struct xencomm_desc *desc;
+ BUG_ON(((unsigned long)xc_desc) % sizeof(*xc_desc) != 0);
desc = (void *)xc_desc;
@@ -157,7 +161,7 @@ static int xencomm_create_mini(void *buf
return rc;
}
-void *xencomm_map(void *ptr, unsigned long bytes)
+struct xencomm_handle *xencomm_map(void *ptr, unsigned long bytes)
{
int rc;
struct xencomm_desc *desc;
@@ -170,10 +174,10 @@ void *xencomm_map(void *ptr, unsigned lo
if (rc || desc == NULL)
return NULL;
- return (void *)__pa(desc);
+ return xencomm_pa(desc);
}
-void *__xencomm_map_no_alloc(void *ptr, unsigned long bytes,
+struct xencomm_handle *__xencomm_map_no_alloc(void *ptr, unsigned long bytes,
struct xencomm_mini *xc_desc)
{
int rc;
@@ -188,5 +192,5 @@ void *__xencomm_map_no_alloc(void *ptr,
if (rc)
return NULL;
- return (void *)__pa(desc);
+ return xencomm_pa(desc);
}
diff -r 41b7a0d7c2ad -r 60d8f0befd18 drivers/xen/netfront/netfront.c
--- a/drivers/xen/netfront/netfront.c Sun Aug 12 15:04:04 2007 -0600
+++ b/drivers/xen/netfront/netfront.c Thu Aug 16 10:58:46 2007 -0600
@@ -99,6 +99,7 @@ static const int MODPARM_rx_flip = 0;
#if defined(NETIF_F_GSO)
#define HAVE_GSO 1
#define HAVE_TSO 1 /* TSO is a subset of GSO */
+#define HAVE_CSUM_OFFLOAD 1
static inline void dev_disable_gso_features(struct net_device *dev)
{
/* Turn off all GSO bits except ROBUST. */
@@ -106,6 +107,7 @@ static inline void dev_disable_gso_featu
dev->features |= NETIF_F_GSO_ROBUST;
}
#elif defined(NETIF_F_TSO)
+#define HAVE_GSO 0
#define HAVE_TSO 1
/* Some older kernels cannot cope with incorrect checksums,
@@ -113,7 +115,7 @@ static inline void dev_disable_gso_featu
* with the presence of NETIF_F_TSO but it appears to be a good first
* approximiation.
*/
-#define HAVE_NO_CSUM_OFFLOAD 1
+#define HAVE_CSUM_OFFLOAD 0
#define gso_size tso_size
#define gso_segs tso_segs
@@ -138,8 +140,12 @@ static inline int netif_needs_gso(struct
unlikely(skb->ip_summed != CHECKSUM_HW));
}
#else
+#define HAVE_GSO 0
+#define HAVE_TSO 0
+#define HAVE_CSUM_OFFLOAD 0
#define netif_needs_gso(dev, skb) 0
#define dev_disable_gso_features(dev) ((void)0)
+#define ethtool_op_set_tso(dev, data) (-ENOSYS)
#endif
#define GRANT_INVALID_REF 0
@@ -412,13 +418,12 @@ again:
goto abort_transaction;
}
-#ifdef HAVE_NO_CSUM_OFFLOAD
- err = xenbus_printf(xbt, dev->nodename, "feature-no-csum-offload",
"%d", 1);
+ err = xenbus_printf(xbt, dev->nodename, "feature-no-csum-offload",
+ "%d", !HAVE_CSUM_OFFLOAD);
if (err) {
message = "writing feature-no-csum-offload";
goto abort_transaction;
}
-#endif
err = xenbus_printf(xbt, dev->nodename, "feature-sg", "%d", 1);
if (err) {
@@ -426,13 +431,12 @@ again:
goto abort_transaction;
}
-#ifdef HAVE_TSO
- err = xenbus_printf(xbt, dev->nodename, "feature-gso-tcpv4", "%d", 1);
+ err = xenbus_printf(xbt, dev->nodename, "feature-gso-tcpv4", "%d",
+ HAVE_TSO);
if (err) {
message = "writing feature-gso-tcpv4";
goto abort_transaction;
}
-#endif
err = xenbus_transaction_end(xbt, 0);
if (err) {
@@ -983,7 +987,7 @@ static int network_start_xmit(struct sk_
tx->flags |= NETTXF_data_validated;
#endif
-#ifdef HAVE_TSO
+#if HAVE_TSO
if (skb_shinfo(skb)->gso_size) {
struct netif_extra_info *gso = (struct netif_extra_info *)
RING_GET_REQUEST(&np->tx, ++i);
@@ -1013,15 +1017,16 @@ static int network_start_xmit(struct sk_
if (notify)
notify_remote_via_irq(np->irq);
+ np->stats.tx_bytes += skb->len;
+ np->stats.tx_packets++;
+
+ /* Note: It is not safe to access skb after network_tx_buf_gc()! */
network_tx_buf_gc(dev);
if (!netfront_tx_slot_available(np))
netif_stop_queue(dev);
spin_unlock_irq(&np->tx_lock);
-
- np->stats.tx_bytes += skb->len;
- np->stats.tx_packets++;
return 0;
@@ -1279,9 +1284,9 @@ static int xennet_set_skb_gso(struct sk_
return -EINVAL;
}
-#ifdef HAVE_TSO
+#if HAVE_TSO
skb_shinfo(skb)->gso_size = gso->u.gso.size;
-#ifdef HAVE_GSO
+#if HAVE_GSO
skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4;
/* Header must be checked, and gso_segs computed. */
@@ -1701,7 +1706,6 @@ static int xennet_set_sg(struct net_devi
static int xennet_set_tso(struct net_device *dev, u32 data)
{
-#ifdef HAVE_TSO
if (data) {
struct netfront_info *np = netdev_priv(dev);
int val;
@@ -1714,9 +1718,6 @@ static int xennet_set_tso(struct net_dev
}
return ethtool_op_set_tso(dev, data);
-#else
- return -ENOSYS;
-#endif
}
static void xennet_set_features(struct net_device *dev)
@@ -1734,10 +1735,8 @@ static void xennet_set_features(struct n
/* Before 2.6.9 TSO seems to be unreliable so do not enable it
* on older kernels.
*/
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,9)
- xennet_set_tso(dev, 1);
-#endif
-
+ if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,9))
+ xennet_set_tso(dev, 1);
}
static int network_connect(struct net_device *dev)
@@ -1865,8 +1864,10 @@ static struct ethtool_ops network_ethtoo
.set_tx_csum = ethtool_op_set_tx_csum,
.get_sg = ethtool_op_get_sg,
.set_sg = xennet_set_sg,
+#if HAVE_TSO
.get_tso = ethtool_op_get_tso,
.set_tso = xennet_set_tso,
+#endif
.get_link = ethtool_op_get_link,
};
diff -r 41b7a0d7c2ad -r 60d8f0befd18 drivers/xen/xenbus/xenbus_client.c
--- a/drivers/xen/xenbus/xenbus_client.c Sun Aug 12 15:04:04 2007 -0600
+++ b/drivers/xen/xenbus/xenbus_client.c Thu Aug 16 10:58:46 2007 -0600
@@ -30,6 +30,7 @@
* IN THE SOFTWARE.
*/
+#include <linux/slab.h>
#include <xen/evtchn.h>
#include <xen/gnttab.h>
#include <xen/xenbus.h>
diff -r 41b7a0d7c2ad -r 60d8f0befd18 drivers/xen/xenbus/xenbus_comms.c
--- a/drivers/xen/xenbus/xenbus_comms.c Sun Aug 12 15:04:04 2007 -0600
+++ b/drivers/xen/xenbus/xenbus_comms.c Thu Aug 16 10:58:46 2007 -0600
@@ -35,6 +35,7 @@
#include <linux/sched.h>
#include <linux/err.h>
#include <linux/ptrace.h>
+#include <linux/workqueue.h>
#include <xen/evtchn.h>
#include <xen/xenbus.h>
diff -r 41b7a0d7c2ad -r 60d8f0befd18 drivers/xen/xenbus/xenbus_probe.c
--- a/drivers/xen/xenbus/xenbus_probe.c Sun Aug 12 15:04:04 2007 -0600
+++ b/drivers/xen/xenbus/xenbus_probe.c Thu Aug 16 10:58:46 2007 -0600
@@ -43,6 +43,7 @@
#include <linux/mm.h>
#include <linux/notifier.h>
#include <linux/mutex.h>
+#include <linux/module.h>
#include <asm/io.h>
#include <asm/page.h>
diff -r 41b7a0d7c2ad -r 60d8f0befd18 include/asm-i386/mach-xen/asm/floppy.h
--- a/include/asm-i386/mach-xen/asm/floppy.h Sun Aug 12 15:04:04 2007 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,147 +0,0 @@
-/*
- * Architecture specific parts of the Floppy driver
- *
- * 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) 1995
- *
- * Modifications for Xen are Copyright (c) 2004, Keir Fraser.
- */
-#ifndef __ASM_XEN_I386_FLOPPY_H
-#define __ASM_XEN_I386_FLOPPY_H
-
-#include <linux/vmalloc.h>
-
-/* XEN: Hit DMA paths on the head. This trick from asm-m68k/floppy.h. */
-#include <asm/dma.h>
-#undef MAX_DMA_ADDRESS
-#define MAX_DMA_ADDRESS 0
-#define CROSS_64KB(a,s) (0)
-
-#define fd_inb(port) inb_p(port)
-#define fd_outb(value,port) outb_p(value,port)
-
-#define fd_request_dma() (0)
-#define fd_free_dma() ((void)0)
-#define fd_enable_irq() enable_irq(FLOPPY_IRQ)
-#define fd_disable_irq() disable_irq(FLOPPY_IRQ)
-#define fd_free_irq() free_irq(FLOPPY_IRQ, NULL)
-#define fd_get_dma_residue() (virtual_dma_count + virtual_dma_residue)
-#define fd_dma_setup(addr, size, mode, io) vdma_dma_setup(addr, size, mode, io)
-/*
- * Do not use vmalloc/vfree: floppy_release_irq_and_dma() gets called from
- * softirq context via motor_off_callback. A generic bug we happen to trigger.
- */
-#define fd_dma_mem_alloc(size) __get_free_pages(GFP_KERNEL, get_order(size))
-#define fd_dma_mem_free(addr, size) free_pages(addr, get_order(size))
-
-static int virtual_dma_count;
-static int virtual_dma_residue;
-static char *virtual_dma_addr;
-static int virtual_dma_mode;
-static int doing_pdma;
-
-static irqreturn_t floppy_hardint(int irq, void *dev_id, struct pt_regs * regs)
-{
- register unsigned char st;
- register int lcount;
- register char *lptr;
-
- if (!doing_pdma)
- return floppy_interrupt(irq, dev_id, regs);
-
- st = 1;
- for(lcount=virtual_dma_count, lptr=virtual_dma_addr;
- lcount; lcount--, lptr++) {
- st=inb(virtual_dma_port+4) & 0xa0 ;
- if(st != 0xa0)
- break;
- if(virtual_dma_mode)
- outb_p(*lptr, virtual_dma_port+5);
- else
- *lptr = inb_p(virtual_dma_port+5);
- }
- virtual_dma_count = lcount;
- virtual_dma_addr = lptr;
- st = inb(virtual_dma_port+4);
-
- if(st == 0x20)
- return IRQ_HANDLED;
- if(!(st & 0x20)) {
- virtual_dma_residue += virtual_dma_count;
- virtual_dma_count=0;
- doing_pdma = 0;
- floppy_interrupt(irq, dev_id, regs);
- return IRQ_HANDLED;
- }
- return IRQ_HANDLED;
-}
-
-static void fd_disable_dma(void)
-{
- doing_pdma = 0;
- virtual_dma_residue += virtual_dma_count;
- virtual_dma_count=0;
-}
-
-static int fd_request_irq(void)
-{
- return request_irq(FLOPPY_IRQ, floppy_hardint,
- IRQF_DISABLED, "floppy", NULL);
-}
-
-static int vdma_dma_setup(char *addr, unsigned long size, int mode, int io)
-{
- doing_pdma = 1;
- virtual_dma_port = io;
- virtual_dma_mode = (mode == DMA_MODE_WRITE);
- virtual_dma_addr = addr;
- virtual_dma_count = size;
- virtual_dma_residue = 0;
- return 0;
-}
-
-/* XEN: This trick to force 'virtual DMA' is from include/asm-m68k/floppy.h. */
-#define FDC1 xen_floppy_init()
-static int FDC2 = -1;
-
-static int xen_floppy_init(void)
-{
- use_virtual_dma = 1;
- can_use_virtual_dma = 1;
- return 0x3f0;
-}
-
-/*
- * Floppy types are stored in the rtc's CMOS RAM and so rtc_lock
- * is needed to prevent corrupted CMOS RAM in case "insmod floppy"
- * coincides with another rtc CMOS user. Paul G.
- */
-#define FLOPPY0_TYPE ({ \
- unsigned long flags; \
- unsigned char val; \
- spin_lock_irqsave(&rtc_lock, flags); \
- val = (CMOS_READ(0x10) >> 4) & 15; \
- spin_unlock_irqrestore(&rtc_lock, flags); \
- val; \
-})
-
-#define FLOPPY1_TYPE ({ \
- unsigned long flags; \
- unsigned char val; \
- spin_lock_irqsave(&rtc_lock, flags); \
- val = CMOS_READ(0x10) & 15; \
- spin_unlock_irqrestore(&rtc_lock, flags); \
- val; \
-})
-
-#define N_FDC 2
-#define N_DRIVE 8
-
-#define FLOPPY_MOTOR_MASK 0xf0
-
-#define EXTRA_FLOPPY_PARAMS
-
-#endif /* __ASM_XEN_I386_FLOPPY_H */
diff -r 41b7a0d7c2ad -r 60d8f0befd18 include/asm-i386/mach-xen/asm/hypercall.h
--- a/include/asm-i386/mach-xen/asm/hypercall.h Sun Aug 12 15:04:04 2007 -0600
+++ b/include/asm-i386/mach-xen/asm/hypercall.h Thu Aug 16 10:58:46 2007 -0600
@@ -34,6 +34,7 @@
#define __HYPERCALL_H__
#include <linux/string.h> /* memcpy() */
+#include <linux/stringify.h>
#ifndef __HYPERVISOR_H__
# error "please don't include this file directly"
@@ -47,7 +48,7 @@
"call hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"
#else
#define HYPERCALL_STR(name) \
- "mov hypercall_stubs,%%eax; " \
+ "mov "__stringify(hypercall_stubs)",%%eax; " \
"add $("STR(__HYPERVISOR_##name)" * 32),%%eax; " \
"call *%%eax"
#endif
diff -r 41b7a0d7c2ad -r 60d8f0befd18 include/asm-i386/mach-xen/asm/io.h
--- a/include/asm-i386/mach-xen/asm/io.h Sun Aug 12 15:04:04 2007 -0600
+++ b/include/asm-i386/mach-xen/asm/io.h Thu Aug 16 10:58:46 2007 -0600
@@ -151,7 +151,7 @@ extern void bt_iounmap(void *addr, unsig
/*
* ISA I/O bus memory addresses are 1:1 with the physical address.
*/
-#define isa_virt_to_bus(_x) isa_virt_to_bus_is_UNSUPPORTED->x
+#define isa_virt_to_bus(_x) ({ BUG(); virt_to_bus(_x); })
#define isa_page_to_bus(_x) isa_page_to_bus_is_UNSUPPORTED->x
#define isa_bus_to_virt(_x) (void *)(__fix_to_virt(FIX_ISAMAP_BEGIN) + (_x))
diff -r 41b7a0d7c2ad -r 60d8f0befd18 include/asm-x86_64/mach-xen/asm/floppy.h
--- a/include/asm-x86_64/mach-xen/asm/floppy.h Sun Aug 12 15:04:04 2007 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,206 +0,0 @@
-/*
- * Architecture specific parts of the Floppy driver
- *
- * 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) 1995
- *
- * Modifications for Xen are Copyright (c) 2004, Keir Fraser.
- */
-#ifndef __ASM_XEN_X86_64_FLOPPY_H
-#define __ASM_XEN_X86_64_FLOPPY_H
-
-#include <linux/vmalloc.h>
-
-/*
- * The DMA channel used by the floppy controller cannot access data at
- * addresses >= 16MB
- *
- * Went back to the 1MB limit, as some people had problems with the floppy
- * driver otherwise. It doesn't matter much for performance anyway, as most
- * floppy accesses go through the track buffer.
- */
-#define _CROSS_64KB(a,s,vdma) \
-(!(vdma) && ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64))
-
-/* XEN: Hit DMA paths on the head. This trick from asm-m68k/floppy.h. */
-#include <asm/dma.h>
-#undef MAX_DMA_ADDRESS
-#define MAX_DMA_ADDRESS 0
-#define CROSS_64KB(a,s) (0)
-
-#define fd_inb(port) inb_p(port)
-#define fd_outb(value,port) outb_p(value,port)
-
-#define fd_request_dma() (0)
-#define fd_free_dma() ((void)0)
-#define fd_enable_irq() enable_irq(FLOPPY_IRQ)
-#define fd_disable_irq() disable_irq(FLOPPY_IRQ)
-#define fd_free_irq() free_irq(FLOPPY_IRQ, NULL)
-#define fd_get_dma_residue() vdma_get_dma_residue(FLOPPY_DMA)
-/*
- * Do not use vmalloc/vfree: floppy_release_irq_and_dma() gets called from
- * softirq context via motor_off_callback. A generic bug we happen to trigger.
- */
-#define fd_dma_mem_alloc(size) __get_free_pages(GFP_KERNEL|__GFP_NORETRY,
get_order(size))
-#define fd_dma_mem_free(addr, size) free_pages(addr, get_order(size))
-#define fd_dma_setup(addr, size, mode, io) vdma_dma_setup(addr, size, mode, io)
-
-static int virtual_dma_count;
-static int virtual_dma_residue;
-static char *virtual_dma_addr;
-static int virtual_dma_mode;
-static int doing_pdma;
-
-static irqreturn_t floppy_hardint(int irq, void *dev_id, struct pt_regs * regs)
-{
- register unsigned char st;
-
-#undef TRACE_FLPY_INT
-
-#ifdef TRACE_FLPY_INT
- static int calls=0;
- static int bytes=0;
- static int dma_wait=0;
-#endif
- if (!doing_pdma)
- return floppy_interrupt(irq, dev_id, regs);
-
-#ifdef TRACE_FLPY_INT
- if(!calls)
- bytes = virtual_dma_count;
-#endif
-
- {
- register int lcount;
- register char *lptr;
-
- st = 1;
- for(lcount=virtual_dma_count, lptr=virtual_dma_addr;
- lcount; lcount--, lptr++) {
- st=inb(virtual_dma_port+4) & 0xa0 ;
- if(st != 0xa0)
- break;
- if(virtual_dma_mode)
- outb_p(*lptr, virtual_dma_port+5);
- else
- *lptr = inb_p(virtual_dma_port+5);
- }
- virtual_dma_count = lcount;
- virtual_dma_addr = lptr;
- st = inb(virtual_dma_port+4);
- }
-
-#ifdef TRACE_FLPY_INT
- calls++;
-#endif
- if(st == 0x20)
- return IRQ_HANDLED;
- if(!(st & 0x20)) {
- virtual_dma_residue += virtual_dma_count;
- virtual_dma_count=0;
-#ifdef TRACE_FLPY_INT
- printk("count=%x, residue=%x calls=%d bytes=%d dma_wait=%d\n",
- virtual_dma_count, virtual_dma_residue, calls, bytes,
- dma_wait);
- calls = 0;
- dma_wait=0;
-#endif
- doing_pdma = 0;
- floppy_interrupt(irq, dev_id, regs);
- return IRQ_HANDLED;
- }
-#ifdef TRACE_FLPY_INT
- if(!virtual_dma_count)
- dma_wait++;
-#endif
- return IRQ_HANDLED;
-}
-
-static void fd_disable_dma(void)
-{
- doing_pdma = 0;
- virtual_dma_residue += virtual_dma_count;
- virtual_dma_count=0;
-}
-
-static int vdma_get_dma_residue(unsigned int dummy)
-{
- return virtual_dma_count + virtual_dma_residue;
-}
-
-
-static int fd_request_irq(void)
-{
- return request_irq(FLOPPY_IRQ, floppy_hardint,
- IRQF_DISABLED, "floppy", NULL);
-}
-
-#if 0
-static unsigned long vdma_mem_alloc(unsigned long size)
-{
- return (unsigned long) vmalloc(size);
-
-}
-
-static void vdma_mem_free(unsigned long addr, unsigned long size)
-{
- vfree((void *)addr);
-}
-#endif
-
-static int vdma_dma_setup(char *addr, unsigned long size, int mode, int io)
-{
- doing_pdma = 1;
- virtual_dma_port = io;
- virtual_dma_mode = (mode == DMA_MODE_WRITE);
- virtual_dma_addr = addr;
- virtual_dma_count = size;
- virtual_dma_residue = 0;
- return 0;
-}
-
-/* XEN: This trick to force 'virtual DMA' is from include/asm-m68k/floppy.h. */
-#define FDC1 xen_floppy_init()
-static int FDC2 = -1;
-
-static int xen_floppy_init(void)
-{
- use_virtual_dma = 1;
- can_use_virtual_dma = 1;
- return 0x3f0;
-}
-
-/*
- * Floppy types are stored in the rtc's CMOS RAM and so rtc_lock
- * is needed to prevent corrupted CMOS RAM in case "insmod floppy"
- * coincides with another rtc CMOS user. Paul G.
- */
-#define FLOPPY0_TYPE ({ \
- unsigned long flags; \
- unsigned char val; \
- spin_lock_irqsave(&rtc_lock, flags); \
- val = (CMOS_READ(0x10) >> 4) & 15; \
- spin_unlock_irqrestore(&rtc_lock, flags); \
- val; \
-})
-
-#define FLOPPY1_TYPE ({ \
- unsigned long flags; \
- unsigned char val; \
- spin_lock_irqsave(&rtc_lock, flags); \
- val = CMOS_READ(0x10) & 15; \
- spin_unlock_irqrestore(&rtc_lock, flags); \
- val; \
-})
-
-#define N_FDC 2
-#define N_DRIVE 8
-
-#define FLOPPY_MOTOR_MASK 0xf0
-
-#define EXTRA_FLOPPY_PARAMS
-
-#endif /* __ASM_XEN_X86_64_FLOPPY_H */
diff -r 41b7a0d7c2ad -r 60d8f0befd18 include/asm-x86_64/mach-xen/asm/hypercall.h
--- a/include/asm-x86_64/mach-xen/asm/hypercall.h Sun Aug 12 15:04:04
2007 -0600
+++ b/include/asm-x86_64/mach-xen/asm/hypercall.h Thu Aug 16 10:58:46
2007 -0600
@@ -38,6 +38,7 @@
#define __HYPERCALL_H__
#include <linux/string.h> /* memcpy() */
+#include <linux/stringify.h>
#ifndef __HYPERVISOR_H__
# error "please don't include this file directly"
@@ -51,7 +52,7 @@
"call hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"
#else
#define HYPERCALL_STR(name) \
- "mov hypercall_stubs,%%rax; " \
+ "mov "__stringify(hypercall_stubs)",%%rax; " \
"add $("STR(__HYPERVISOR_##name)" * 32),%%rax; " \
"call *%%rax"
#endif
diff -r 41b7a0d7c2ad -r 60d8f0befd18 include/asm-x86_64/mach-xen/asm/io.h
--- a/include/asm-x86_64/mach-xen/asm/io.h Sun Aug 12 15:04:04 2007 -0600
+++ b/include/asm-x86_64/mach-xen/asm/io.h Thu Aug 16 10:58:46 2007 -0600
@@ -167,7 +167,7 @@ extern void iounmap(volatile void __iome
* ISA I/O bus memory addresses are 1:1 with the physical address.
*/
-#define isa_virt_to_bus(_x) isa_virt_to_bus_is_UNSUPPORTED->x
+#define isa_virt_to_bus(_x) ({ BUG(); virt_to_bus(_x); })
#define isa_page_to_bus(_x) isa_page_to_bus_is_UNSUPPORTED->x
#define isa_bus_to_virt(_x) (void *)(__fix_to_virt(FIX_ISAMAP_BEGIN) + (_x))
diff -r 41b7a0d7c2ad -r 60d8f0befd18 include/xen/cpu_hotplug.h
--- a/include/xen/cpu_hotplug.h Sun Aug 12 15:04:04 2007 -0600
+++ b/include/xen/cpu_hotplug.h Thu Aug 16 10:58:46 2007 -0600
@@ -6,9 +6,6 @@
#if defined(CONFIG_X86) && defined(CONFIG_SMP)
extern cpumask_t cpu_initialized_map;
-#define cpu_set_initialized(cpu) cpu_set(cpu, cpu_initialized_map)
-#else
-#define cpu_set_initialized(cpu) ((void)0)
#endif
#if defined(CONFIG_HOTPLUG_CPU)
diff -r 41b7a0d7c2ad -r 60d8f0befd18 include/xen/xencomm.h
--- a/include/xen/xencomm.h Sun Aug 12 15:04:04 2007 -0600
+++ b/include/xen/xencomm.h Thu Aug 16 10:58:46 2007 -0600
@@ -30,15 +30,39 @@ struct xencomm_mini {
uint64_t address[XENCOMM_MINI_ADDRS];
};
-extern void xencomm_free(void *desc);
-extern void *xencomm_map(void *ptr, unsigned long bytes);
-extern void *__xencomm_map_no_alloc(void *ptr, unsigned long bytes,
- struct xencomm_mini *xc_area);
+/* To avoid additionnal virt to phys conversion, an opaque structure is
+ presented. */
+struct xencomm_handle;
-#define xencomm_map_no_alloc(ptr, bytes) \
- ({struct xencomm_mini xc_desc\
- __attribute__((__aligned__(sizeof(struct xencomm_mini))));\
- __xencomm_map_no_alloc(ptr, bytes, &xc_desc);})
+extern void xencomm_free(struct xencomm_handle *desc);
+extern struct xencomm_handle *xencomm_map(void *ptr, unsigned long bytes);
+extern struct xencomm_handle *__xencomm_map_no_alloc(void *ptr,
+ unsigned long bytes, struct xencomm_mini *xc_area);
+
+#if 0
+#define XENCOMM_MINI_ALIGNED(xc_desc, n) \
+ struct xencomm_mini xc_desc ## _base[(n)] \
+ __attribute__((__aligned__(sizeof(struct xencomm_mini)))); \
+ struct xencomm_mini* xc_desc = &xc_desc ## _base[0];
+#else
+/*
+ * gcc bug workaround:
+ * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16660
+ * gcc doesn't handle properly stack variable with
+ * __attribute__((__align__(sizeof(struct xencomm_mini))))
+ */
+#define XENCOMM_MINI_ALIGNED(xc_desc, n) \
+ unsigned char xc_desc ## _base[((n) + 1 ) * \
+ sizeof(struct xencomm_mini)]; \
+ struct xencomm_mini *xc_desc = (struct xencomm_mini*) \
+ ((unsigned long)xc_desc ## _base + \
+ (sizeof(struct xencomm_mini) - \
+ ((unsigned long)xc_desc ## _base) % \
+ sizeof(struct xencomm_mini)));
+#endif
+#define xencomm_map_no_alloc(ptr, bytes) \
+ ({XENCOMM_MINI_ALIGNED(xc_desc, 1); \
+ __xencomm_map_no_alloc(ptr, bytes, xc_desc);})
/* provided by architecture code: */
extern unsigned long xencomm_vtop(unsigned long vaddr);
@@ -48,4 +72,6 @@ static inline void *xencomm_pa(void *ptr
return (void *)xencomm_vtop((unsigned long)ptr);
}
+#define xen_guest_handle(hnd) ((hnd).p)
+
#endif /* _LINUX_XENCOMM_H_ */
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