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authorJason Gunthorpe <jgg@nvidia.com>2024-11-12 13:47:28 -0400
committerJason Gunthorpe <jgg@nvidia.com>2024-11-12 13:47:28 -0400
commit4e6bd13aa33c78346973f01c7303b4909d79ec86 (patch)
tree6205937f65a4d859dcecaf48da8801a1e4103ce7 /include/linux/iommu.h
parentb047c0644f4e0aafd202e9519a22e17651fbee70 (diff)
parentf6681abd413919472d8a142420b639a3a8d84673 (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.h5
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