diff options
author | Jason Gunthorpe <jgg@nvidia.com> | 2024-11-12 13:47:28 -0400 |
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committer | Jason Gunthorpe <jgg@nvidia.com> | 2024-11-12 13:47:28 -0400 |
commit | 4e6bd13aa33c78346973f01c7303b4909d79ec86 (patch) | |
tree | 6205937f65a4d859dcecaf48da8801a1e4103ce7 /include/linux/iommu.h | |
parent | b047c0644f4e0aafd202e9519a22e17651fbee70 (diff) | |
parent | f6681abd413919472d8a142420b639a3a8d84673 (diff) |
Merge branch 'iommufd/arm-smmuv3-nested' of iommu/linux into iommufd for-next
Common SMMUv3 patches for the following patches adding nesting, shared
branch with the iommu tree.
* 'iommufd/arm-smmuv3-nested' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/iommu/linux:
iommu/arm-smmu-v3: Expose the arm_smmu_attach interface
iommu/arm-smmu-v3: Implement IOMMU_HWPT_ALLOC_NEST_PARENT
iommu/arm-smmu-v3: Support IOMMU_GET_HW_INFO via struct arm_smmu_hw_info
iommu/arm-smmu-v3: Report IOMMU_CAP_ENFORCE_CACHE_COHERENCY for CANWBS
ACPI/IORT: Support CANWBS memory access flag
ACPICA: IORT: Update for revision E.f
vfio: Remove VFIO_TYPE1_NESTING_IOMMU
...
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include/linux/iommu.h')
-rw-r--r-- | include/linux/iommu.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 11de66237eaa..8b02adbd14f7 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -695,7 +695,6 @@ struct iommu_ops { * @enforce_cache_coherency: Prevent any kind of DMA from bypassing IOMMU_CACHE, * including no-snoop TLPs on PCIe or other platform * specific mechanisms. - * @enable_nesting: Enable nesting * @set_pgtable_quirks: Set io page table quirks (IO_PGTABLE_QUIRK_*) * @free: Release the domain after use. */ @@ -723,7 +722,6 @@ struct iommu_domain_ops { dma_addr_t iova); bool (*enforce_cache_coherency)(struct iommu_domain *domain); - int (*enable_nesting)(struct iommu_domain *domain); int (*set_pgtable_quirks)(struct iommu_domain *domain, unsigned long quirks); @@ -904,7 +902,6 @@ extern void iommu_group_put(struct iommu_group *group); extern int iommu_group_id(struct iommu_group *group); extern struct iommu_domain *iommu_group_default_domain(struct iommu_group *); -int iommu_enable_nesting(struct iommu_domain *domain); int iommu_set_pgtable_quirks(struct iommu_domain *domain, unsigned long quirks); @@ -1054,6 +1051,8 @@ struct iommu_fwspec { /* ATS is supported */ #define IOMMU_FWSPEC_PCI_RC_ATS (1 << 0) +/* CANWBS is supported */ +#define IOMMU_FWSPEC_PCI_RC_CANWBS (1 << 1) /* * An iommu attach handle represents a relationship between an iommu domain |