From: Yi Liu <yi.l....@intel.com>
Because we will support both FST(a.k.a, FLT) and SST(a.k.a, SLT) translation,
rename slpte to pte to make it generic.
Signed-off-by: Yi Liu <yi.l....@intel.com>
Signed-off-by: Yi Sun <yi.y....@linux.intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.d...@intel.com>
---
hw/i386/intel_iommu_internal.h | 3 ++-
include/hw/i386/intel_iommu.h | 2 +-
hw/i386/intel_iommu.c | 39 +++++++++++++++++-----------------
3 files changed, 23 insertions(+), 21 deletions(-)
diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h
index b0d9b1f986..0e240d6d54 100644
--- a/hw/i386/intel_iommu_internal.h
+++ b/hw/i386/intel_iommu_internal.h
@@ -553,10 +553,11 @@ typedef struct VTDRootEntry VTDRootEntry;
#define VTD_SL_RW_MASK 3ULL
#define VTD_SL_R 1ULL
#define VTD_SL_W (1ULL << 1)
-#define VTD_SL_PT_BASE_ADDR_MASK(aw) (~(VTD_PAGE_SIZE - 1) & VTD_HAW_MASK(aw))
#define VTD_SL_IGN_COM 0xbff0000000000000ULL
#define VTD_SL_TM (1ULL << 62)
+/* Common for both First Level and Second Level */
+#define VTD_PT_BASE_ADDR_MASK(aw) (~(VTD_PAGE_SIZE - 1) & VTD_HAW_MASK(aw))
typedef struct VTDHostIOMMUDevice {
IntelIOMMUState *iommu_state;
diff --git a/include/hw/i386/intel_iommu.h b/include/hw/i386/intel_iommu.h
index 9ba9c45015..011f374883 100644
--- a/include/hw/i386/intel_iommu.h
+++ b/include/hw/i386/intel_iommu.h
@@ -153,7 +153,7 @@ struct VTDIOTLBEntry {
uint64_t gfn;
uint16_t domain_id;
uint32_t pasid;
- uint64_t slpte;
+ uint64_t pte;
uint64_t mask;
uint8_t access_flags;
};
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index ed95b5ba2e..544e8f0e40 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -360,7 +360,7 @@ out:
/* Must be with IOMMU lock held */
static void vtd_update_iotlb(IntelIOMMUState *s, uint16_t source_id,
- uint16_t domain_id, hwaddr addr, uint64_t slpte,
+ uint16_t domain_id, hwaddr addr, uint64_t pte,
uint8_t access_flags, uint32_t level,
uint32_t pasid)
{
@@ -368,7 +368,7 @@ static void vtd_update_iotlb(IntelIOMMUState *s, uint16_t
source_id,
struct vtd_iotlb_key *key = g_malloc(sizeof(*key));
uint64_t gfn = vtd_get_iotlb_gfn(addr, level);
- trace_vtd_iotlb_page_update(source_id, addr, slpte, domain_id);
+ trace_vtd_iotlb_page_update(source_id, addr, pte, domain_id);
if (g_hash_table_size(s->iotlb) >= VTD_IOTLB_MAX_SIZE) {
trace_vtd_iotlb_reset("iotlb exceeds size limit");
vtd_reset_iotlb_locked(s);
@@ -376,7 +376,7 @@ static void vtd_update_iotlb(IntelIOMMUState *s, uint16_t
source_id,
entry->gfn = gfn;
entry->domain_id = domain_id;
- entry->slpte = slpte;
+ entry->pte = pte;
entry->access_flags = access_flags;
entry->mask = vtd_slpt_level_page_mask(level);
entry->pasid = pasid;
@@ -693,9 +693,9 @@ static inline dma_addr_t
vtd_ce_get_slpt_base(VTDContextEntry *ce)
return ce->lo & VTD_CONTEXT_ENTRY_SLPTPTR;
}
-static inline uint64_t vtd_get_slpte_addr(uint64_t slpte, uint8_t aw)
+static inline uint64_t vtd_get_pte_addr(uint64_t slpte, uint8_t aw)
{
- return slpte & VTD_SL_PT_BASE_ADDR_MASK(aw);
+ return slpte & VTD_PT_BASE_ADDR_MASK(aw);
}
/* Whether the pte indicates the address of the page frame */
@@ -1152,11 +1152,11 @@ static int vtd_iova_to_slpte(IntelIOMMUState *s,
VTDContextEntry *ce,
*slpte_level = level;
break;
}
- addr = vtd_get_slpte_addr(slpte, aw_bits);
+ addr = vtd_get_pte_addr(slpte, aw_bits);
level--;
}
- xlat = vtd_get_slpte_addr(*slptep, aw_bits);
+ xlat = vtd_get_pte_addr(*slptep, aw_bits);
size = ~vtd_slpt_level_page_mask(level) + 1;
/*
@@ -1343,7 +1343,7 @@ static int vtd_page_walk_level(dma_addr_t addr, uint64_t
start,
* This is a valid PDE (or even bigger than PDE). We need
* to walk one further level.
*/
- ret = vtd_page_walk_level(vtd_get_slpte_addr(slpte, info->aw),
+ ret = vtd_page_walk_level(vtd_get_pte_addr(slpte, info->aw),
iova, MIN(iova_next, end), level - 1,
read_cur, write_cur, info);
} else {
@@ -1360,7 +1360,7 @@ static int vtd_page_walk_level(dma_addr_t addr, uint64_t
start,
event.entry.perm = IOMMU_ACCESS_FLAG(read_cur, write_cur);
event.entry.addr_mask = ~subpage_mask;
/* NOTE: this is only meaningful if entry_valid == true */
- event.entry.translated_addr = vtd_get_slpte_addr(slpte, info->aw);
+ event.entry.translated_addr = vtd_get_pte_addr(slpte, info->aw);
event.type = event.entry.perm ? IOMMU_NOTIFIER_MAP :
IOMMU_NOTIFIER_UNMAP;
ret = vtd_page_walk_one(&event, info);
@@ -1883,7 +1883,7 @@ static bool vtd_do_iommu_translate(VTDAddressSpace
*vtd_as, PCIBus *bus,
VTDContextEntry ce;
uint8_t bus_num = pci_bus_num(bus);
VTDContextCacheEntry *cc_entry;
- uint64_t slpte, page_mask;
+ uint64_t pte, page_mask;
uint32_t level, pasid = vtd_as->pasid;
uint16_t source_id = PCI_BUILD_BDF(bus_num, devfn);
int ret_fr;
@@ -1904,13 +1904,13 @@ static bool vtd_do_iommu_translate(VTDAddressSpace
*vtd_as, PCIBus *bus,
cc_entry = &vtd_as->context_cache_entry;
- /* Try to fetch slpte form IOTLB, we don't need RID2PASID logic */
+ /* Try to fetch pte form IOTLB, we don't need RID2PASID logic */
if (!rid2pasid) {
iotlb_entry = vtd_lookup_iotlb(s, source_id, pasid, addr);
if (iotlb_entry) {
- trace_vtd_iotlb_page_hit(source_id, addr, iotlb_entry->slpte,
+ trace_vtd_iotlb_page_hit(source_id, addr, iotlb_entry->pte,
iotlb_entry->domain_id);
- slpte = iotlb_entry->slpte;
+ pte = iotlb_entry->pte;
access_flags = iotlb_entry->access_flags;
page_mask = iotlb_entry->mask;
goto out;
@@ -1982,21 +1982,22 @@ static bool vtd_do_iommu_translate(VTDAddressSpace
*vtd_as, PCIBus *bus,
return true;
}
- /* Try to fetch slpte form IOTLB for RID2PASID slow path */
+ /* Try to fetch pte form IOTLB for RID2PASID slow path */
if (rid2pasid) {
iotlb_entry = vtd_lookup_iotlb(s, source_id, pasid, addr);
if (iotlb_entry) {
- trace_vtd_iotlb_page_hit(source_id, addr, iotlb_entry->slpte,
+ trace_vtd_iotlb_page_hit(source_id, addr, iotlb_entry->pte,
iotlb_entry->domain_id);
- slpte = iotlb_entry->slpte;
+ pte = iotlb_entry->pte;
access_flags = iotlb_entry->access_flags;
page_mask = iotlb_entry->mask;
goto out;
}
}
- ret_fr = vtd_iova_to_slpte(s, &ce, addr, is_write, &slpte, &level,
+ ret_fr = vtd_iova_to_slpte(s, &ce, addr, is_write, &pte, &level,
&reads, &writes, s->aw_bits, pasid);
+
if (ret_fr) {
vtd_report_fault(s, -ret_fr, is_fpd_set, source_id,
addr, is_write, pasid != PCI_NO_PASID, pasid);
@@ -2006,11 +2007,11 @@ static bool vtd_do_iommu_translate(VTDAddressSpace
*vtd_as, PCIBus *bus,
page_mask = vtd_slpt_level_page_mask(level);
access_flags = IOMMU_ACCESS_FLAG(reads, writes);
vtd_update_iotlb(s, source_id, vtd_get_domain_id(s, &ce, pasid),
- addr, slpte, access_flags, level, pasid);
+ addr, pte, access_flags, level, pasid);
out:
vtd_iommu_unlock(s);
entry->iova = addr & page_mask;
- entry->translated_addr = vtd_get_slpte_addr(slpte, s->aw_bits) & page_mask;
+ entry->translated_addr = vtd_get_pte_addr(pte, s->aw_bits) & page_mask;
entry->addr_mask = ~page_mask;
entry->perm = access_flags;
return true;
--
2.34.1
