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Diffstat (limited to 'hw/i386/intel_iommu.c')
-rw-r--r--hw/i386/intel_iommu.c69
1 files changed, 24 insertions, 45 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 08e43b6ee6..ad304f681c 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -260,11 +260,9 @@ static void vtd_update_iotlb(IntelIOMMUState *s, uint16_t source_id,
uint64_t *key = g_malloc(sizeof(*key));
uint64_t gfn = vtd_get_iotlb_gfn(addr, level);
- VTD_DPRINTF(CACHE, "update iotlb sid 0x%"PRIx16 " iova 0x%"PRIx64
- " slpte 0x%"PRIx64 " did 0x%"PRIx16, source_id, addr, slpte,
- domain_id);
+ trace_vtd_iotlb_page_update(source_id, addr, slpte, domain_id);
if (g_hash_table_size(s->iotlb) >= VTD_IOTLB_MAX_SIZE) {
- VTD_DPRINTF(CACHE, "iotlb exceeds size limit, forced to reset");
+ trace_vtd_iotlb_reset("iotlb exceeds size limit");
vtd_reset_iotlb(s);
}
@@ -505,8 +503,7 @@ static int vtd_get_root_entry(IntelIOMMUState *s, uint8_t index,
addr = s->root + index * sizeof(*re);
if (dma_memory_read(&address_space_memory, addr, re, sizeof(*re))) {
- VTD_DPRINTF(GENERAL, "error: fail to access root-entry at 0x%"PRIx64
- " + %"PRIu8, s->root, index);
+ trace_vtd_re_invalid(re->rsvd, re->val);
re->val = 0;
return -VTD_FR_ROOT_TABLE_INV;
}
@@ -524,15 +521,10 @@ static int vtd_get_context_entry_from_root(VTDRootEntry *root, uint8_t index,
{
dma_addr_t addr;
- if (!vtd_root_entry_present(root)) {
- VTD_DPRINTF(GENERAL, "error: root-entry is not present");
- return -VTD_FR_ROOT_ENTRY_P;
- }
+ /* we have checked that root entry is present */
addr = (root->val & VTD_ROOT_ENTRY_CTP) + index * sizeof(*ce);
if (dma_memory_read(&address_space_memory, addr, ce, sizeof(*ce))) {
- VTD_DPRINTF(GENERAL, "error: fail to access context-entry at 0x%"PRIx64
- " + %"PRIu8,
- (uint64_t)(root->val & VTD_ROOT_ENTRY_CTP), index);
+ trace_vtd_re_invalid(root->rsvd, root->val);
return -VTD_FR_CONTEXT_TABLE_INV;
}
ce->lo = le64_to_cpu(ce->lo);
@@ -704,12 +696,11 @@ static int vtd_dev_to_context_entry(IntelIOMMUState *s, uint8_t bus_num,
}
if (!vtd_root_entry_present(&re)) {
- VTD_DPRINTF(GENERAL, "error: root-entry #%"PRIu8 " is not present",
- bus_num);
+ /* Not error - it's okay we don't have root entry. */
+ trace_vtd_re_not_present(bus_num);
return -VTD_FR_ROOT_ENTRY_P;
} else if (re.rsvd || (re.val & VTD_ROOT_ENTRY_RSVD)) {
- VTD_DPRINTF(GENERAL, "error: non-zero reserved field in root-entry "
- "hi 0x%"PRIx64 " lo 0x%"PRIx64, re.rsvd, re.val);
+ trace_vtd_re_invalid(re.rsvd, re.val);
return -VTD_FR_ROOT_ENTRY_RSVD;
}
@@ -719,22 +710,17 @@ static int vtd_dev_to_context_entry(IntelIOMMUState *s, uint8_t bus_num,
}
if (!vtd_context_entry_present(ce)) {
- VTD_DPRINTF(GENERAL,
- "error: context-entry #%"PRIu8 "(bus #%"PRIu8 ") "
- "is not present", devfn, bus_num);
+ /* Not error - it's okay we don't have context entry. */
+ trace_vtd_ce_not_present(bus_num, devfn);
return -VTD_FR_CONTEXT_ENTRY_P;
} else if ((ce->hi & VTD_CONTEXT_ENTRY_RSVD_HI) ||
(ce->lo & VTD_CONTEXT_ENTRY_RSVD_LO)) {
- VTD_DPRINTF(GENERAL,
- "error: non-zero reserved field in context-entry "
- "hi 0x%"PRIx64 " lo 0x%"PRIx64, ce->hi, ce->lo);
+ trace_vtd_ce_invalid(ce->hi, ce->lo);
return -VTD_FR_CONTEXT_ENTRY_RSVD;
}
/* Check if the programming of context-entry is valid */
if (!vtd_is_level_supported(s, vtd_get_level_from_context_entry(ce))) {
- VTD_DPRINTF(GENERAL, "error: unsupported Address Width value in "
- "context-entry hi 0x%"PRIx64 " lo 0x%"PRIx64,
- ce->hi, ce->lo);
+ trace_vtd_ce_invalid(ce->hi, ce->lo);
return -VTD_FR_CONTEXT_ENTRY_INV;
} else {
switch (ce->lo & VTD_CONTEXT_ENTRY_TT) {
@@ -743,9 +729,7 @@ static int vtd_dev_to_context_entry(IntelIOMMUState *s, uint8_t bus_num,
case VTD_CONTEXT_TT_DEV_IOTLB:
break;
default:
- VTD_DPRINTF(GENERAL, "error: unsupported Translation Type in "
- "context-entry hi 0x%"PRIx64 " lo 0x%"PRIx64,
- ce->hi, ce->lo);
+ trace_vtd_ce_invalid(ce->hi, ce->lo);
return -VTD_FR_CONTEXT_ENTRY_INV;
}
}
@@ -825,9 +809,8 @@ static void vtd_do_iommu_translate(VTDAddressSpace *vtd_as, PCIBus *bus,
/* Try to fetch slpte form IOTLB */
iotlb_entry = vtd_lookup_iotlb(s, source_id, addr);
if (iotlb_entry) {
- VTD_DPRINTF(CACHE, "hit iotlb sid 0x%"PRIx16 " iova 0x%"PRIx64
- " slpte 0x%"PRIx64 " did 0x%"PRIx16, source_id, addr,
- iotlb_entry->slpte, iotlb_entry->domain_id);
+ trace_vtd_iotlb_page_hit(source_id, addr, iotlb_entry->slpte,
+ iotlb_entry->domain_id);
slpte = iotlb_entry->slpte;
reads = iotlb_entry->read_flags;
writes = iotlb_entry->write_flags;
@@ -836,10 +819,9 @@ static void vtd_do_iommu_translate(VTDAddressSpace *vtd_as, PCIBus *bus,
}
/* Try to fetch context-entry from cache first */
if (cc_entry->context_cache_gen == s->context_cache_gen) {
- VTD_DPRINTF(CACHE, "hit context-cache bus %d devfn %d "
- "(hi %"PRIx64 " lo %"PRIx64 " gen %"PRIu32 ")",
- bus_num, devfn, cc_entry->context_entry.hi,
- cc_entry->context_entry.lo, cc_entry->context_cache_gen);
+ trace_vtd_iotlb_cc_hit(bus_num, devfn, cc_entry->context_entry.hi,
+ cc_entry->context_entry.lo,
+ cc_entry->context_cache_gen);
ce = cc_entry->context_entry;
is_fpd_set = ce.lo & VTD_CONTEXT_ENTRY_FPD;
} else {
@@ -848,19 +830,16 @@ static void vtd_do_iommu_translate(VTDAddressSpace *vtd_as, PCIBus *bus,
if (ret_fr) {
ret_fr = -ret_fr;
if (is_fpd_set && vtd_is_qualified_fault(ret_fr)) {
- VTD_DPRINTF(FLOG, "fault processing is disabled for DMA "
- "requests through this context-entry "
- "(with FPD Set)");
+ trace_vtd_fault_disabled();
} else {
vtd_report_dmar_fault(s, source_id, addr, ret_fr, is_write);
}
return;
}
/* Update context-cache */
- VTD_DPRINTF(CACHE, "update context-cache bus %d devfn %d "
- "(hi %"PRIx64 " lo %"PRIx64 " gen %"PRIu32 "->%"PRIu32 ")",
- bus_num, devfn, ce.hi, ce.lo,
- cc_entry->context_cache_gen, s->context_cache_gen);
+ trace_vtd_iotlb_cc_update(bus_num, devfn, ce.hi, ce.lo,
+ cc_entry->context_cache_gen,
+ s->context_cache_gen);
cc_entry->context_entry = ce;
cc_entry->context_cache_gen = s->context_cache_gen;
}
@@ -870,8 +849,7 @@ static void vtd_do_iommu_translate(VTDAddressSpace *vtd_as, PCIBus *bus,
if (ret_fr) {
ret_fr = -ret_fr;
if (is_fpd_set && vtd_is_qualified_fault(ret_fr)) {
- VTD_DPRINTF(FLOG, "fault processing is disabled for DMA requests "
- "through this context-entry (with FPD Set)");
+ trace_vtd_fault_disabled();
} else {
vtd_report_dmar_fault(s, source_id, addr, ret_fr, is_write);
}
@@ -1031,6 +1009,7 @@ static uint64_t vtd_context_cache_invalidate(IntelIOMMUState *s, uint64_t val)
static void vtd_iotlb_global_invalidate(IntelIOMMUState *s)
{
+ trace_vtd_iotlb_reset("global invalidation recved");
vtd_reset_iotlb(s);
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-24 12:58:49 +0000