Commit 0906d8b9 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'iommu-updates-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu 

Pull iommu updates from Joerg Roedel:

 - ARM-SMMU support for the TLB range invalidation command in SMMUv3.2

 - ARM-SMMU introduction of command batching helpers to batch up CD and
   ATC invalidation

 - ARM-SMMU support for PCI PASID, along with necessary PCI symbol
   exports

 - Introduce a generic (actually rename an existing) IOMMU related
   pointer in struct device and reduce the IOMMU related pointers

 - Some fixes for the OMAP IOMMU driver to make it build on 64bit
   architectures

 - Various smaller fixes and improvements

* tag 'iommu-updates-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (39 commits)
  iommu: Move fwspec->iommu_priv to struct dev_iommu
  iommu/virtio: Use accessor functions for iommu private data
  iommu/qcom: Use accessor functions for iommu private data
  iommu/mediatek: Use accessor functions for iommu private data
  iommu/renesas: Use accessor functions for iommu private data
  iommu/arm-smmu: Use accessor functions for iommu private data
  iommu/arm-smmu: Refactor master_cfg/fwspec usage
  iommu/arm-smmu-v3: Use accessor functions for iommu private data
  iommu: Introduce accessors for iommu private data
  iommu/arm-smmu: Fix uninitilized variable warning
  iommu: Move iommu_fwspec to struct dev_iommu
  iommu: Rename struct iommu_param to dev_iommu
  iommu/tegra-gart: Remove direct access of dev->iommu_fwspec
  drm/msm/mdp5: Remove direct access of dev->iommu_fwspec
  ACPI/IORT: Remove direct access of dev->iommu_fwspec
  iommu: Define dev_iommu_fwspec_get() for !CONFIG_IOMMU_API
  iommu/virtio: Reject IOMMU page granule larger than PAGE_SIZE
  iommu/virtio: Fix freeing of incomplete domains
  iommu/virtio: Fix sparse warning
  iommu/vt-d: Add build dependency on IOASID
  ...
parents 0339eb95 ff68eb23

MAINTAINERS

+1 −0
Original line number Diff line number Diff line
@@ -1444,6 +1444,7 @@ M: Will Deacon <will@kernel.org> 
R:	Robin Murphy <robin.murphy@arm.com>

L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)

S:	Maintained

F:	Documentation/devicetree/bindings/iommu/arm,smmu*

F:	drivers/iommu/arm-smmu*

F:	drivers/iommu/io-pgtable-arm.c

F:	drivers/iommu/io-pgtable-arm-v7s.c

drivers/acpi/arm64/iort.c

+4 −2
Original line number Diff line number Diff line
@@ -1015,6 +1015,7 @@ const struct iommu_ops *iort_iommu_configure(struct device *dev) 
		return ops;



	if (dev_is_pci(dev)) {

		struct iommu_fwspec *fwspec;

		struct pci_bus *bus = to_pci_dev(dev)->bus;

		struct iort_pci_alias_info info = { .dev = dev };
@@ -1027,8 +1028,9 @@ const struct iommu_ops *iort_iommu_configure(struct device *dev) 
		err = pci_for_each_dma_alias(to_pci_dev(dev),

					     iort_pci_iommu_init, &info);



		if (!err && iort_pci_rc_supports_ats(node))

			dev->iommu_fwspec->flags |= IOMMU_FWSPEC_PCI_RC_ATS;

		fwspec = dev_iommu_fwspec_get(dev);

		if (fwspec && iort_pci_rc_supports_ats(node))

			fwspec->flags |= IOMMU_FWSPEC_PCI_RC_ATS;

	} else {

		int i = 0;

drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c

+1 −1
Original line number Diff line number Diff line
@@ -633,7 +633,7 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev) 


	if (config->platform.iommu) {

		iommu_dev = &pdev->dev;

		if (!iommu_dev->iommu_fwspec)

		if (!dev_iommu_fwspec_get(iommu_dev))

			iommu_dev = iommu_dev->parent;



		aspace = msm_gem_address_space_create(iommu_dev,

drivers/iommu/Kconfig

+11 −10
Original line number Diff line number Diff line
@@ -188,6 +188,7 @@ config INTEL_IOMMU 
	select NEED_DMA_MAP_STATE

	select DMAR_TABLE

	select SWIOTLB

	select IOASID

	help

	  DMA remapping (DMAR) devices support enables independent address

	  translations for Direct Memory Access (DMA) from devices.
@@ -273,7 +274,7 @@ config IRQ_REMAP 
# OMAP IOMMU support

config OMAP_IOMMU

	bool "OMAP IOMMU Support"

	depends on ARM && MMU

	depends on ARM && MMU || (COMPILE_TEST && (ARM || ARM64 || IA64 || SPARC))

	depends on ARCH_OMAP2PLUS || COMPILE_TEST

	select IOMMU_API

	---help---
@@ -291,7 +292,7 @@ config OMAP_IOMMU_DEBUG 


config ROCKCHIP_IOMMU

	bool "Rockchip IOMMU Support"

	depends on ARM || ARM64

	depends on ARM || ARM64 || (COMPILE_TEST && (ARM64 || IA64 || SPARC))

	depends on ARCH_ROCKCHIP || COMPILE_TEST

	select IOMMU_API

	select ARM_DMA_USE_IOMMU
@@ -325,7 +326,7 @@ config TEGRA_IOMMU_SMMU 


config EXYNOS_IOMMU

	bool "Exynos IOMMU Support"

	depends on ARCH_EXYNOS && MMU

	depends on ARCH_EXYNOS && MMU || (COMPILE_TEST && (ARM || ARM64 || IA64 || SPARC))

	depends on !CPU_BIG_ENDIAN # revisit driver if we can enable big-endian ptes

	select IOMMU_API

	select ARM_DMA_USE_IOMMU
@@ -361,7 +362,7 @@ config IPMMU_VMSA 


config SPAPR_TCE_IOMMU

	bool "sPAPR TCE IOMMU Support"

	depends on PPC_POWERNV || PPC_PSERIES

	depends on PPC_POWERNV || PPC_PSERIES || (PPC && COMPILE_TEST)

	select IOMMU_API

	help

	  Enables bits of IOMMU API required by VFIO. The iommu_ops
@@ -370,7 +371,7 @@ config SPAPR_TCE_IOMMU 
# ARM IOMMU support

config ARM_SMMU

	tristate "ARM Ltd. System MMU (SMMU) Support"

	depends on (ARM64 || ARM) && MMU

	depends on (ARM64 || ARM || (COMPILE_TEST && !GENERIC_ATOMIC64)) && MMU

	select IOMMU_API

	select IOMMU_IO_PGTABLE_LPAE

	select ARM_DMA_USE_IOMMU if ARM
@@ -440,7 +441,7 @@ config S390_IOMMU 


config S390_CCW_IOMMU

	bool "S390 CCW IOMMU Support"

	depends on S390 && CCW

	depends on S390 && CCW || COMPILE_TEST

	select IOMMU_API

	help

	  Enables bits of IOMMU API required by VFIO. The iommu_ops
@@ -448,7 +449,7 @@ config S390_CCW_IOMMU 


config S390_AP_IOMMU

	bool "S390 AP IOMMU Support"

	depends on S390 && ZCRYPT

	depends on S390 && ZCRYPT || COMPILE_TEST

	select IOMMU_API

	help

	  Enables bits of IOMMU API required by VFIO. The iommu_ops
@@ -456,7 +457,7 @@ config S390_AP_IOMMU 


config MTK_IOMMU

	bool "MTK IOMMU Support"

	depends on ARM || ARM64

	depends on ARM || ARM64 || COMPILE_TEST

	depends on ARCH_MEDIATEK || COMPILE_TEST

	select ARM_DMA_USE_IOMMU

	select IOMMU_API
@@ -506,8 +507,8 @@ config HYPERV_IOMMU 
	  guests to run with x2APIC mode enabled.



config VIRTIO_IOMMU

	bool "Virtio IOMMU driver"

	depends on VIRTIO=y

	tristate "Virtio IOMMU driver"

	depends on VIRTIO

	depends on ARM64

	select IOMMU_API

	select INTERVAL_TREE

drivers/iommu/amd_iommu_types.h

+1 −1
Original line number Diff line number Diff line
@@ -348,7 +348,7 @@ 


#define DTE_GCR3_VAL_A(x)	(((x) >> 12) & 0x00007ULL)

#define DTE_GCR3_VAL_B(x)	(((x) >> 15) & 0x0ffffULL)

#define DTE_GCR3_VAL_C(x)	(((x) >> 31) & 0xfffffULL)

#define DTE_GCR3_VAL_C(x)	(((x) >> 31) & 0x1fffffULL)



#define DTE_GCR3_INDEX_A	0

#define DTE_GCR3_INDEX_B	1

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