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This commit is contained in:
Maneet Singh
2025-08-04 11:15:02 -07:00
parent d890313300
commit 307159f262
1315 changed files with 477791 additions and 279973 deletions
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38
kernel-open/nvidia-uvm/uvm_get_rm_ptes_test.c
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@@ -28,6 +28,7 @@
#include "uvm_va_space.h"
#include "uvm_mmu.h"
#include "nv_uvm_types.h"
#include "nv_uvm_user_types.h"
#include "nv_uvm_interface.h"
#include "uvm_common.h"
@@ -39,13 +40,23 @@
size, \
ext_map_info))
// TODO: Bug 5310168: Expand test coverage of external mappings. The existing
// get_aperture() and is_cacheable() are only correct for the subset of external
// mappings that are currently tested.
static uvm_aperture_t get_aperture(uvm_va_space_t *va_space,
uvm_gpu_t *memory_owning_gpu,
uvm_gpu_t *memory_mapping_gpu,
UvmGpuMemoryInfo *memory_info,
bool sli_supported)
bool sli_supported,
UvmGpuExternalMappingInfo *ext_mapping_info)
{
if (memory_info->sysmem) {
// TODO: Bug 5310178: Do not use integrated GPU as a proxy for a fully
// coherent L2 cache.
if (memory_mapping_gpu->parent->is_integrated_gpu &&
ext_mapping_info->cachingType == UvmGpuCachingTypeForceCached)
return UVM_APERTURE_SYS_NON_COHERENT;
return UVM_APERTURE_SYS;
}
else {
@@ -57,9 +68,9 @@ static uvm_aperture_t get_aperture(uvm_va_space_t *va_space,
static bool is_cacheable(UvmGpuExternalMappingInfo *ext_mapping_info, uvm_aperture_t aperture)
{
if (ext_mapping_info->cachingType == UvmRmGpuCachingTypeForceCached)
if (ext_mapping_info->cachingType == UvmGpuCachingTypeForceCached)
return true;
else if (ext_mapping_info->cachingType == UvmRmGpuCachingTypeForceUncached)
else if (ext_mapping_info->cachingType == UvmGpuCachingTypeForceUncached)
return false;
else if (aperture == UVM_APERTURE_VID)
return true;
@@ -69,10 +80,10 @@ static bool is_cacheable(UvmGpuExternalMappingInfo *ext_mapping_info, uvm_apertu
static NvU32 get_protection(UvmGpuExternalMappingInfo *ext_mapping_info)
{
if (ext_mapping_info->mappingType == UvmRmGpuMappingTypeReadWriteAtomic ||
ext_mapping_info->mappingType == UvmRmGpuMappingTypeDefault)
if (ext_mapping_info->mappingType == UvmGpuMappingTypeReadWriteAtomic ||
ext_mapping_info->mappingType == UvmGpuMappingTypeDefault)
return UVM_PROT_READ_WRITE_ATOMIC;
else if (ext_mapping_info->mappingType == UvmRmGpuMappingTypeReadWrite)
else if (ext_mapping_info->mappingType == UvmGpuMappingTypeReadWrite)
return UVM_PROT_READ_WRITE;
else
return UVM_PROT_READ_ONLY;
@@ -119,7 +130,12 @@ static NV_STATUS verify_mapping_info(uvm_va_space_t *va_space,
if (!memory_owning_gpu)
return NV_ERR_INVALID_DEVICE;
aperture = get_aperture(va_space, memory_owning_gpu, memory_mapping_gpu, memory_info, sli_supported);
aperture = get_aperture(va_space,
memory_owning_gpu,
memory_mapping_gpu,
memory_info,
sli_supported,
ext_mapping_info);
if (is_cacheable(ext_mapping_info, aperture))
pte_flags |= UVM_MMU_PTE_FLAGS_CACHED;
@@ -228,8 +244,8 @@ static NV_STATUS test_get_rm_ptes_single_gpu(uvm_va_space_t *va_space, UVM_TEST_
&memory_info,
false) == NV_OK, done);
ext_mapping_info.mappingType = UvmRmGpuMappingTypeReadWrite;
ext_mapping_info.cachingType = UvmRmGpuCachingTypeForceCached;
ext_mapping_info.mappingType = UvmGpuMappingTypeReadWrite;
ext_mapping_info.cachingType = UvmGpuCachingTypeForceCached;
TEST_CHECK_GOTO(get_rm_ptes(memory_info.pageSize, size - memory_info.pageSize, &ext_mapping_info) == NV_OK, done);
TEST_CHECK_GOTO(verify_mapping_info(va_space,
memory_mapping_gpu,
@@ -239,8 +255,8 @@ static NV_STATUS test_get_rm_ptes_single_gpu(uvm_va_space_t *va_space, UVM_TEST_
&memory_info,
false) == NV_OK, done);
ext_mapping_info.mappingType = UvmRmGpuMappingTypeReadOnly;
ext_mapping_info.cachingType = UvmRmGpuCachingTypeForceUncached;
ext_mapping_info.mappingType = UvmGpuMappingTypeReadOnly;
ext_mapping_info.cachingType = UvmGpuCachingTypeForceUncached;
TEST_CHECK_GOTO(get_rm_ptes(size - memory_info.pageSize, memory_info.pageSize, &ext_mapping_info) == NV_OK, done);
TEST_CHECK_GOTO(verify_mapping_info(va_space,
memory_mapping_gpu,