Hi Linus, The following changes since commit b401b621758e46812da61fa58a67c3fd8d91de0d: Linux 6.8-rc5 (2024-02-18 12:56:25 -0800) are available in the Git repository at: https://github.com/awilliam/linux-vfio.git tags/vfio-v6.9-rc1 for you to fetch changes up to 7447d911af699a15f8d050dfcb7c680a86f87012: vfio/fsl-mc: Block calling interrupt handler without trigger (2024-03-11 13:08:52 -0600) A couple minor additional notes, first you'll see a trivial conflict in MAINTAINERS as reported and properly resolved by Stephen here: https://lore.kernel.org/all/20240223140325.345a9cdb@xxxxxxxxxxxxxxxx/ Second, just for awareness, this includes a merge from the kvmarm tree for a dependency on the new vma VM_ALLOW_ANY_UNCACHED flag which is further described in Oliver's merge (and of course the individual commits): https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git/commit/?h=kvmarm-6.9&id=9bd8d7df1971c2ebdcaf4526cf7a3f4ea38d0ede Thanks, Alex ---------------------------------------------------------------- VFIO updates for v6.9-rc1 - Add warning in unlikely case that device is not captured with driver_override. (Kunwu Chan) - Error handling improvements in mlx5-vfio-pci to detect firmware tracking object error states, logging of firmware error syndrom, and releasing of firmware resources in aborted migration sequence. (Yishai Hadas) - Correct an un-alphabetized VFIO MAINTAINERS entry. (Alex Williamson) - Make the mdev_bus_type const and also make the class struct const for a couple of the vfio-mdev sample drivers. (Ricardo B. Marliere) - Addition of a new vfio-pci variant driver for the GPU of NVIDIA's Grace-Hopper superchip. During initialization of the chip-to-chip interconnect in this hardware module, the PCI BARs of the device become unused in favor of a faster, coherent mechanism for exposing device memory. This driver primarily changes the VFIO representation of the device to masquerade this coherent aperture to replace the physical PCI BARs for userspace drivers. This also incorporates use of a new vma flag allowing KVM to use write combining attributes for uncached device memory. (Ankit Agrawal) - Reset fixes and cleanups for the pds-vfio-pci driver. Save and restore files were previously leaked if the device didn't pass through an error state, this is resolved and later re-fixed to prevent access to the now freed files. Reset handling is also refactored to remove the complicated deferred reset mechanism. (Brett Creeley) - Remove some references to pl330 in the vfio-platform amba driver. (Geert Uytterhoeven) - Remove twice redundant and ugly code to unpin incidental pins of the zero-page. (Alex Williamson) - Deferred reset logic is also removed from the hisi-acc-vfio-pci driver as a simplification. (Shameer Kolothum) - Enforce that mlx5-vfio-pci devices must support PRE_COPY and remove resulting unnecessary code. There is no device firmware that has been available publicly without this support. (Yishai Hadas) - Switch over to using the .remove_new callback for vfio-platform in support of the broader transition for a void remove function. (Uwe Kleine-König) - Resolve multiple issues in interrupt code for VFIO bus drivers that allow calling eventfd_signal() on a NULL context. This also remove a potential race in INTx setup on certain hardware for vfio-pci, races with various mechanisms to mask INTx, and leaked virqfds in vfio-platform. (Alex Williamson) ---------------------------------------------------------------- Alex Williamson (10): MAINTAINERS: Re-alphabetize VFIO Merge branch 'kvm-arm64/vfio-normal-nc' of https://git.kernel.org/pub/scm/linux/kernel/git/oupton/linux into v6.9/vfio/next Revert "vfio/type1: Unpin zero pages" vfio/pci: Disable auto-enable of exclusive INTx IRQ vfio/pci: Lock external INTx masking ops vfio: Introduce interface to flush virqfd inject workqueue vfio/pci: Create persistent INTx handler vfio/platform: Disable virqfds on cleanup vfio/platform: Create persistent IRQ handlers vfio/fsl-mc: Block calling interrupt handler without trigger Ankit Agrawal (8): vfio/pci: rename and export do_io_rw() vfio/pci: rename and export range_intersect_range vfio/nvgrace-gpu: Add vfio pci variant module for grace hopper KVM: arm64: Introduce new flag for non-cacheable IO memory mm: Introduce new flag to indicate wc safe KVM: arm64: Set io memory s2 pte as normalnc for vfio pci device vfio: Convey kvm that the vfio-pci device is wc safe vfio/nvgrace-gpu: Convey kvm to map device memory region as noncached Brett Creeley (3): vfio/pds: Always clear the save/restore FDs on reset vfio/pds: Make sure migration file isn't accessed after reset vfio/pds: Refactor/simplify reset logic Geert Uytterhoeven (1): vfio: amba: Rename pl330_ids[] to vfio_amba_ids[] Kunwu Chan (1): vfio/pci: WARN_ON driver_override kasprintf failure Ricardo B. Marliere (3): vfio: mdev: make mdev_bus_type const vfio/mdpy: make mdpy_class constant vfio/mbochs: make mbochs_class constant Shameer Kolothum (1): hisi_acc_vfio_pci: Remove the deferred_reset logic Uwe Kleine-König (1): vfio/platform: Convert to platform remove callback returning void Yishai Hadas (6): net/mlx5: Add the IFC related bits for query tracker vfio/mlx5: Add support for tracker object change event vfio/mlx5: Handle the EREMOTEIO error upon the SAVE command vfio/mlx5: Block incremental query upon migf state error vfio/mlx5: Let firmware knows upon leaving PRE_COPY back to RUNNING vfio/mlx5: Enforce PRE_COPY support MAINTAINERS | 16 +- arch/arm64/include/asm/kvm_pgtable.h | 2 + arch/arm64/include/asm/memory.h | 2 + arch/arm64/kvm/hyp/pgtable.c | 24 +- arch/arm64/kvm/mmu.c | 14 +- drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c | 7 +- drivers/vfio/mdev/mdev_driver.c | 2 +- drivers/vfio/mdev/mdev_private.h | 2 +- drivers/vfio/pci/Kconfig | 2 + drivers/vfio/pci/Makefile | 2 + drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 48 +- drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.h | 6 +- drivers/vfio/pci/mlx5/cmd.c | 157 ++++- drivers/vfio/pci/mlx5/cmd.h | 11 +- drivers/vfio/pci/mlx5/main.c | 148 ++--- drivers/vfio/pci/nvgrace-gpu/Kconfig | 10 + drivers/vfio/pci/nvgrace-gpu/Makefile | 3 + drivers/vfio/pci/nvgrace-gpu/main.c | 888 +++++++++++++++++++++++++ drivers/vfio/pci/pds/dirty.c | 6 +- drivers/vfio/pci/pds/lm.c | 13 + drivers/vfio/pci/pds/lm.h | 1 + drivers/vfio/pci/pds/pci_drv.c | 27 +- drivers/vfio/pci/pds/vfio_dev.c | 45 +- drivers/vfio/pci/pds/vfio_dev.h | 8 +- drivers/vfio/pci/vfio_pci_config.c | 42 ++ drivers/vfio/pci/vfio_pci_core.c | 20 +- drivers/vfio/pci/vfio_pci_intrs.c | 176 +++-- drivers/vfio/pci/vfio_pci_rdwr.c | 16 +- drivers/vfio/pci/virtio/main.c | 72 +- drivers/vfio/platform/vfio_amba.c | 6 +- drivers/vfio/platform/vfio_platform.c | 5 +- drivers/vfio/platform/vfio_platform_irq.c | 105 ++- drivers/vfio/vfio_iommu_type1.c | 12 - drivers/vfio/virqfd.c | 21 + include/linux/mlx5/mlx5_ifc.h | 5 + include/linux/mm.h | 14 + include/linux/vfio.h | 2 + include/linux/vfio_pci_core.h | 10 +- samples/vfio-mdev/mbochs.c | 18 +- samples/vfio-mdev/mdpy.c | 18 +- 40 files changed, 1524 insertions(+), 462 deletions(-) create mode 100644 drivers/vfio/pci/nvgrace-gpu/Kconfig create mode 100644 drivers/vfio/pci/nvgrace-gpu/Makefile create mode 100644 drivers/vfio/pci/nvgrace-gpu/main.c
