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xen/23571-vtd-fault-verbosity.patch
Charles Arnold 800917b5a2 - bnc#717650 - Unable to start VM 
- Update to Xen 4.1.2_rc2 c/s 23152

- bnc#716695 - domUs using tap devices will not start
  updated multi-xvdp.patch

- Upstream patches from Jan
  23803-intel-pmu-models.patch
  23800-x86_64-guest-addr-range.patch
  23795-intel-ich10-quirk.patch
  23804-x86-IPI-counts.patch 

- bnc#706106 - Inconsistent reporting of VM names during migration
  xend-migration-domname-fix.patch

- bnc#712823 - L3:Xen guest does not start reliable when rebooted
  xend-vcpu-affinity-fix.patch

OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=143
2011-09-15 21:43:21 +00:00

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# HG changeset patch
# User Allen Kay <allen.m.kay@intel.com>
# Date 1308823884 -3600
# Node ID d3ac71f22e8621d9a7604f82f3976337e6c97a9a
# Parent 065ca14be963fe4da55d629ed0b3692a14253a86
[VTD] print out debug message in vt-d fault handler only when iommu=debug is set
Print out debug messages in vtd_page_fault() handler only when
iommu=debug is set xen boot parameter.
Signed-off-by: Allen Kay <allen.m.kay@intel.com>
Index: xen-4.1.2-testing/xen/drivers/passthrough/amd/iommu_acpi.c
===================================================================
--- xen-4.1.2-testing.orig/xen/drivers/passthrough/amd/iommu_acpi.c
+++ xen-4.1.2-testing/xen/drivers/passthrough/amd/iommu_acpi.c
@@ -822,7 +822,7 @@ static int __init parse_ivrs_table(struc
BUG_ON(!table);
- if ( amd_iommu_debug )
+ if ( iommu_debug )
dump_acpi_table_header(table);
/* parse IVRS blocks */
Index: xen-4.1.2-testing/xen/drivers/passthrough/iommu.c
===================================================================
--- xen-4.1.2-testing.orig/xen/drivers/passthrough/iommu.c
+++ xen-4.1.2-testing/xen/drivers/passthrough/iommu.c
@@ -48,7 +48,7 @@ bool_t __read_mostly iommu_snoop = 1;
bool_t __read_mostly iommu_qinval = 1;
bool_t __read_mostly iommu_intremap = 1;
bool_t __read_mostly iommu_hap_pt_share;
-bool_t __read_mostly amd_iommu_debug;
+bool_t __read_mostly iommu_debug;
bool_t __read_mostly amd_iommu_perdev_intremap;
static void __init parse_iommu_param(char *s)
@@ -74,8 +74,8 @@ static void __init parse_iommu_param(cha
iommu_qinval = 0;
else if ( !strcmp(s, "no-intremap") )
iommu_intremap = 0;
- else if ( !strcmp(s, "amd-iommu-debug") )
- amd_iommu_debug = 1;
+ else if ( !strcmp(s, "debug") )
+ iommu_debug = 1;
else if ( !strcmp(s, "amd-iommu-perdev-intremap") )
amd_iommu_perdev_intremap = 1;
else if ( !strcmp(s, "dom0-passthrough") )
Index: xen-4.1.2-testing/xen/drivers/passthrough/vtd/iommu.c
===================================================================
--- xen-4.1.2-testing.orig/xen/drivers/passthrough/vtd/iommu.c
+++ xen-4.1.2-testing/xen/drivers/passthrough/vtd/iommu.c
@@ -821,7 +821,7 @@ static int iommu_page_fault_do_one(struc
if ( fault_type == DMA_REMAP )
{
- dprintk(XENLOG_WARNING VTDPREFIX,
+ INTEL_IOMMU_DEBUG(
"DMAR:[%s] Request device [%02x:%02x.%d] "
"fault addr %"PRIx64", iommu reg = %p\n"
"DMAR:[fault reason %02xh] %s\n",
@@ -830,12 +830,13 @@ static int iommu_page_fault_do_one(struc
PCI_FUNC(source_id & 0xFF), addr, iommu->reg,
fault_reason, reason);
#ifndef __i386__ /* map_domain_page() cannot be used in this context */
- print_vtd_entries(iommu, (source_id >> 8),
+ if (iommu_debug)
+ print_vtd_entries(iommu, (source_id >> 8),
(source_id & 0xff), (addr >> PAGE_SHIFT));
#endif
}
else
- dprintk(XENLOG_WARNING VTDPREFIX,
+ INTEL_IOMMU_DEBUG(
"INTR-REMAP: Request device [%02x:%02x.%d] "
"fault index %"PRIx64", iommu reg = %p\n"
"INTR-REMAP:[fault reason %02xh] %s\n",
@@ -849,26 +850,19 @@ static int iommu_page_fault_do_one(struc
static void iommu_fault_status(u32 fault_status)
{
if ( fault_status & DMA_FSTS_PFO )
- dprintk(XENLOG_ERR VTDPREFIX,
- "iommu_fault_status: Fault Overflow\n");
+ INTEL_IOMMU_DEBUG("iommu_fault_status: Fault Overflow\n");
if ( fault_status & DMA_FSTS_PPF )
- dprintk(XENLOG_ERR VTDPREFIX,
- "iommu_fault_status: Primary Pending Fault\n");
+ INTEL_IOMMU_DEBUG("iommu_fault_status: Primary Pending Fault\n");
if ( fault_status & DMA_FSTS_AFO )
- dprintk(XENLOG_ERR VTDPREFIX,
- "iommu_fault_status: Advanced Fault Overflow\n");
+ INTEL_IOMMU_DEBUG("iommu_fault_status: Advanced Fault Overflow\n");
if ( fault_status & DMA_FSTS_APF )
- dprintk(XENLOG_ERR VTDPREFIX,
- "iommu_fault_status: Advanced Pending Fault\n");
+ INTEL_IOMMU_DEBUG("iommu_fault_status: Advanced Pending Fault\n");
if ( fault_status & DMA_FSTS_IQE )
- dprintk(XENLOG_ERR VTDPREFIX,
- "iommu_fault_status: Invalidation Queue Error\n");
+ INTEL_IOMMU_DEBUG("iommu_fault_status: Invalidation Queue Error\n");
if ( fault_status & DMA_FSTS_ICE )
- dprintk(XENLOG_ERR VTDPREFIX,
- "iommu_fault_status: Invalidation Completion Error\n");
+ INTEL_IOMMU_DEBUG("iommu_fault_status: Invalidation Completion Error\n");
if ( fault_status & DMA_FSTS_ITE )
- dprintk(XENLOG_ERR VTDPREFIX,
- "iommu_fault_status: Invalidation Time-out Error\n");
+ INTEL_IOMMU_DEBUG("iommu_fault_status: Invalidation Time-out Error\n");
}
#define PRIMARY_FAULT_REG_LEN (16)
Index: xen-4.1.2-testing/xen/drivers/passthrough/vtd/iommu.h
===================================================================
--- xen-4.1.2-testing.orig/xen/drivers/passthrough/vtd/iommu.h
+++ xen-4.1.2-testing/xen/drivers/passthrough/vtd/iommu.h
@@ -512,4 +512,11 @@ struct intel_iommu {
struct acpi_drhd_unit *drhd;
};
+#define INTEL_IOMMU_DEBUG(fmt, args...) \
+ do \
+ { \
+ if ( iommu_debug ) \
+ dprintk(XENLOG_WARNING VTDPREFIX, fmt, ## args); \
+ } while(0)
+
#endif
Index: xen-4.1.2-testing/xen/include/asm-x86/hvm/svm/amd-iommu-proto.h
===================================================================
--- xen-4.1.2-testing.orig/xen/include/asm-x86/hvm/svm/amd-iommu-proto.h
+++ xen-4.1.2-testing/xen/include/asm-x86/hvm/svm/amd-iommu-proto.h
@@ -34,7 +34,7 @@
#define AMD_IOMMU_DEBUG(fmt, args...) \
do \
{ \
- if ( amd_iommu_debug ) \
+ if ( iommu_debug ) \
printk(XENLOG_INFO "AMD-Vi: " fmt, ## args); \
} while(0)
Index: xen-4.1.2-testing/xen/include/xen/iommu.h
===================================================================
--- xen-4.1.2-testing.orig/xen/include/xen/iommu.h
+++ xen-4.1.2-testing/xen/include/xen/iommu.h
@@ -31,7 +31,7 @@ extern bool_t force_iommu, iommu_verbose
extern bool_t iommu_workaround_bios_bug, iommu_passthrough;
extern bool_t iommu_snoop, iommu_qinval, iommu_intremap;
extern bool_t iommu_hap_pt_share;
-extern bool_t amd_iommu_debug;
+extern bool_t iommu_debug;
extern bool_t amd_iommu_perdev_intremap;
/* Does this domain have a P2M table we can use as its IOMMU pagetable? */
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