[GIT PULL] Please pull IOMMUFD subsystem changes

[Jason Gunthorpe <jgg@nvidia.com>]

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Hi Linus,

This PR has a few smaller updates related to iommufd. Several big topics are
currently still on the mailing list in review:

- VFIO device cdev support to allow exposing all the iommufd features:
  https://lore.kernel.org/kvm/20230221034812.138051-1-yi.l.liu@intel.com/

- iommufd page table replace operation:
  https://lore.kernel.org/kvm/cover.1675802050.git.nicolinc@nvidia.com/

- IOMMU driver information query:
  https://lore.kernel.org/r/20230209041642.9346-1-yi.l.liu@intel.com

- Intel VT-d nested translation:
  https://lore.kernel.org/r/20230209043153.14964-1-yi.l.liu@intel.com

- Draft patches for ARM SMMUv3 nested translation:
  https://github.com/nicolinc/iommufd/commits/wip/iommufd-v6.2-rc5-nesting

Along with qemu patches implementing iommufd:
https://lore.kernel.org/qemu-devel/20230131205305.2726330-1-eric.auger@redhat.com/

And draft patches for the qemu side support for nested translation.

This PR has a shared branch with Joerg's tree changing the signature of
iommu_map() to add a gfp_t. There were some conflicts with v6.2 which I've
resolved in this PR and there will be a conflict against the rpmsg tree:

 https://lore.kernel.org/r/20230127180226.783baf07@canb.auug.org.au

--- a/drivers/remoteproc/qcom_q6v5_adsp.c
+++ b/drivers/remoteproc/qcom_q6v5_adsp.c
@@ -367,7 +367,8 @@ static int adsp_map_carveout(struct rproc *rproc)
        iova =  adsp->mem_phys | (sid << 32);

        ret = iommu_map(rproc->domain, iova, adsp->mem_phys,
-                       adsp->mem_size, IOMMU_READ | IOMMU_WRITE);
+                       adsp->mem_size, IOMMU_READ | IOMMU_WRITE,
+                       GFP_KERNEL);
        if (ret) {
                dev_err(adsp->dev, "Unable to map ADSP Physical Memory\n");
                return ret;

Thanks,
Jason

The following changes since commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c:

  Linux 6.2 (2023-02-19 14:24:22 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd.git tags/for-linus-iommufd

for you to fetch changes up to 939204e4df962982cbc84acc26b29b421dd530a8:

  Merge tag 'v6.2' into iommufd.git for-next (2023-02-21 11:11:03 -0400)

----------------------------------------------------------------
iommufd for 6.3

Some polishing and small fixes for iommufd:

- Remove IOMMU_CAP_INTR_REMAP, instead rely on the interrupt subsystem

- Use GFP_KERNEL_ACCOUNT inside the iommu_domains

- Support VFIO_NOIOMMU mode with iommufd

- Various typos

- A list corruption bug if HWPTs are used for attach

----------------------------------------------------------------
Jason Gunthorpe (26):
      genirq/msi: Add msi_device_has_isolated_msi()
      iommu: Add iommu_group_has_isolated_msi()
      vfio/type1: Convert to iommu_group_has_isolated_msi()
      iommufd: Convert to msi_device_has_isolated_msi()
      genirq/irqdomain: Remove unused irq_domain_check_msi_remap() code
      genirq/msi: Rename IRQ_DOMAIN_MSI_REMAP to IRQ_DOMAIN_ISOLATED_MSI
      iommu/x86: Replace IOMMU_CAP_INTR_REMAP with IRQ_DOMAIN_FLAG_ISOLATED_MSI
      irq/s390: Add arch_is_isolated_msi() for s390
      iommu: Remove IOMMU_CAP_INTR_REMAP
      Merge branch 'isolated_msi' into iommufd.git for-next
      iommu: Add a gfp parameter to iommu_map()
      iommu: Remove iommu_map_atomic()
      iommu: Add a gfp parameter to iommu_map_sg()
      iommu/dma: Use the gfp parameter in __iommu_dma_alloc_noncontiguous()
      iommufd: Use GFP_KERNEL_ACCOUNT for iommu_map()
      iommu/intel: Add a gfp parameter to alloc_pgtable_page()
      iommu/intel: Support the gfp argument to the map_pages op
      iommu/intel: Use GFP_KERNEL in sleepable contexts
      iommu/s390: Push the gfp parameter to the kmem_cache_alloc()'s
      iommu/s390: Use GFP_KERNEL in sleepable contexts
      Merge branch 'iommu-memory-accounting' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/joro/iommu intoiommufd/for-next
      vfio: Support VFIO_NOIOMMU with iommufd
      Merge branch 'vfio-no-iommu' into iommufd.git for-next
      iommufd: Make sure to zero vfio_iommu_type1_info before copying to user
      iommufd: Do not add the same hwpt to the ioas->hwpt_list twice
      Merge tag 'v6.2' into iommufd.git for-next

Nicolin Chen (1):
      selftests: iommu: Fix test_cmd_destroy_access() call in user_copy

Yi Liu (1):
      iommufd: Add three missing structures in ucmd_buffer

 arch/arm/mm/dma-mapping.c                          |  11 ++-
 arch/s390/include/asm/msi.h                        |  17 ++++
 arch/s390/include/asm/pci_dma.h                    |   5 +-
 arch/s390/pci/pci_dma.c                            |  31 +++---
 .../gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c    |   3 +-
 drivers/gpu/drm/tegra/drm.c                        |   2 +-
 drivers/gpu/host1x/cdma.c                          |   2 +-
 drivers/infiniband/hw/usnic/usnic_uiom.c           |   8 +-
 drivers/iommu/amd/iommu.c                          |   5 +-
 drivers/iommu/dma-iommu.c                          |  18 +++-
 drivers/iommu/intel/iommu.c                        |  38 ++++----
 drivers/iommu/intel/iommu.h                        |   2 +-
 drivers/iommu/intel/irq_remapping.c                |   3 +-
 drivers/iommu/intel/pasid.c                        |   2 +-
 drivers/iommu/iommu.c                              |  77 ++++++++-------
 drivers/iommu/iommufd/Kconfig                      |   2 +-
 drivers/iommu/iommufd/device.c                     |   8 +-
 drivers/iommu/iommufd/iommufd_private.h            |   2 +
 drivers/iommu/iommufd/main.c                       |   3 +
 drivers/iommu/iommufd/pages.c                      |   6 +-
 drivers/iommu/iommufd/vfio_compat.c                | 107 +++++++++++++++++----
 drivers/iommu/s390-iommu.c                         |  17 ++--
 drivers/irqchip/irq-gic-v3-its.c                   |   4 +-
 drivers/media/platform/qcom/venus/firmware.c       |   2 +-
 drivers/net/ipa/ipa_mem.c                          |   6 +-
 drivers/net/wireless/ath/ath10k/snoc.c             |   2 +-
 drivers/net/wireless/ath/ath11k/ahb.c              |   4 +-
 drivers/remoteproc/remoteproc_core.c               |   5 +-
 drivers/vfio/Kconfig                               |   2 +-
 drivers/vfio/container.c                           |   7 --
 drivers/vfio/group.c                               |   7 +-
 drivers/vfio/iommufd.c                             |  19 +++-
 drivers/vfio/vfio.h                                |   8 +-
 drivers/vfio/vfio_iommu_type1.c                    |  25 ++---
 drivers/vfio/vfio_main.c                           |   7 ++
 drivers/vhost/vdpa.c                               |   2 +-
 include/linux/iommu.h                              |  33 ++-----
 include/linux/iommufd.h                            |  12 ++-
 include/linux/irqdomain.h                          |  29 +-----
 include/linux/msi.h                                |  17 ++++
 kernel/irq/irqdomain.c                             |  39 --------
 kernel/irq/msi.c                                   |  27 ++++++
 tools/testing/selftests/iommu/iommufd.c            |   2 +-
 43 files changed, 369 insertions(+), 259 deletions(-)
 create mode 100644 arch/s390/include/asm/msi.h

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