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This commit is contained in:
Bernhard Stoeckner
2025-07-17 17:13:07 +02:00
parent f468568958
commit 9c67f19366
37 changed files with 425 additions and 177 deletions
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9
kernel-open/nvidia-uvm/uvm_ats_sva.c
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@@ -139,7 +139,11 @@ NvU32 smmu_vcmdq_read32(void __iomem *smmu_cmdqv_base, int reg)
static void smmu_vcmdq_write64(void __iomem *smmu_cmdqv_base, int reg, NvU64 val)
{
#if NV_IS_EXPORT_SYMBOL_PRESENT___iowrite64_lo_hi
__iowrite64_lo_hi(val, SMMU_VCMDQ_BASE_ADDR(smmu_cmdqv_base, VCMDQ) + reg);
#else
iowrite64(val, SMMU_VCMDQ_BASE_ADDR(smmu_cmdqv_base, VCMDQ) + reg);
#endif
}
// Fix for Bug 4130089: [GH180][r535] WAR for kernel not issuing SMMU
@@ -304,12 +308,13 @@ void uvm_ats_smmu_invalidate_tlbs(uvm_gpu_va_space_t *gpu_va_space, NvU64 addr,
NV_STATUS uvm_ats_sva_add_gpu(uvm_parent_gpu_t *parent_gpu)
{
#if NV_IS_EXPORT_SYMBOL_GPL_iommu_dev_enable_feature
int ret;
ret = iommu_dev_enable_feature(&parent_gpu->pci_dev->dev, IOMMU_DEV_FEAT_SVA);
if (ret)
return errno_to_nv_status(ret);
#endif
if (UVM_ATS_SMMU_WAR_REQUIRED())
return uvm_ats_smmu_war_init(parent_gpu);
else
@@ -321,7 +326,9 @@ void uvm_ats_sva_remove_gpu(uvm_parent_gpu_t *parent_gpu)
if (UVM_ATS_SMMU_WAR_REQUIRED())
uvm_ats_smmu_war_deinit(parent_gpu);
#if NV_IS_EXPORT_SYMBOL_GPL_iommu_dev_disable_feature
iommu_dev_disable_feature(&parent_gpu->pci_dev->dev, IOMMU_DEV_FEAT_SVA);
#endif
}
NV_STATUS uvm_ats_sva_bind_gpu(uvm_gpu_va_space_t *gpu_va_space)