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authorLinus Torvalds <torvalds@linux-foundation.org>2023-06-29 20:51:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-06-29 20:51:03 -0700
commitd35ac6ac0e80e55bcea79af18d935f19a3e8554c (patch)
tree84281d7724f5e67c2c0a599dd9ffdeccb96bce9f /include/linux
parent0b26eadbf200abf6c97c6d870286c73219cdac65 (diff)
parenta7a334076dd725b8c3b5d64f68e3992ffcfd1d25 (diff)
Merge tag 'iommu-updates-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel: "Core changes: - iova_magazine_alloc() optimization - Make flush-queue an IOMMU driver capability - Consolidate the error handling around device attachment AMD IOMMU changes: - AVIC Interrupt Remapping Improvements - Some minor fixes and cleanups Intel VT-d changes from Lu Baolu: - Small and misc cleanups ARM-SMMU changes from Will Deacon: - Device-tree binding updates: - Add missing clocks for SC8280XP and SA8775 Adreno SMMUs - Add two new Qualcomm SMMUs in SDX75 and SM6375 - Workarounds for Arm MMU-700 errata: - 1076982: Avoid use of SEV-based cmdq wakeup - 2812531: Terminate command batches with a CMD_SYNC - Enforce single-stage translation to avoid nesting-related errata - Set the correct level hint for range TLB invalidation on teardown .. and some other minor fixes and cleanups (including Freescale PAMU and virtio-iommu changes)" * tag 'iommu-updates-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (50 commits) iommu/vt-d: Remove commented-out code iommu/vt-d: Remove two WARN_ON in domain_context_mapping_one() iommu/vt-d: Handle the failure case of dmar_reenable_qi() iommu/vt-d: Remove unnecessary (void*) conversions iommu/amd: Remove extern from function prototypes iommu/amd: Use BIT/BIT_ULL macro to define bit fields iommu/amd: Fix DTE_IRQ_PHYS_ADDR_MASK macro iommu/amd: Fix compile error for unused function iommu/amd: Improving Interrupt Remapping Table Invalidation iommu/amd: Do not Invalidate IRT when IRTE caching is disabled iommu/amd: Introduce Disable IRTE Caching Support iommu/amd: Remove the unused struct amd_ir_data.ref iommu/amd: Switch amd_iommu_update_ga() to use modify_irte_ga() iommu/arm-smmu-v3: Set TTL invalidation hint better iommu/arm-smmu-v3: Document nesting-related errata iommu/arm-smmu-v3: Add explicit feature for nesting iommu/arm-smmu-v3: Document MMU-700 erratum 2812531 iommu/arm-smmu-v3: Work around MMU-600 erratum 1076982 dt-bindings: arm-smmu: Add SDX75 SMMU compatible dt-bindings: arm-smmu: Add SM6375 GPU SMMU ...
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/iommu.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index e8c9a7da1060..d31642596675 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -65,6 +65,7 @@ struct iommu_domain_geometry {
#define __IOMMU_DOMAIN_SVA (1U << 4) /* Shared process address space */
+#define IOMMU_DOMAIN_ALLOC_FLAGS ~__IOMMU_DOMAIN_DMA_FQ
/*
* This are the possible domain-types
*
@@ -127,6 +128,11 @@ enum iommu_cap {
* this device.
*/
IOMMU_CAP_ENFORCE_CACHE_COHERENCY,
+ /*
+ * IOMMU driver does not issue TLB maintenance during .unmap, so can
+ * usefully support the non-strict DMA flush queue.
+ */
+ IOMMU_CAP_DEFERRED_FLUSH,
};
/* These are the possible reserved region types */