linux-kernel - [GIT PULL] VFIO updates for v6.14-rc1

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Message-ID: <20250128142439.3f6dd5b7.alex.williamson@redhat.com>
Date: Tue, 28 Jan 2025 14:24:39 -0700
From: Alex Williamson <alex.williamson@...hat.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: <linux-kernel@...r.kernel.org>, "kvm@...r.kernel.org"
 <kvm@...r.kernel.org>
Subject: [GIT PULL] VFIO updates for v6.14-rc1

Hi Linus,

The following changes since commit 13563da6ffcf49b8b45772e40b35f96926a7ee1e:

  Merge tag 'vfio-v6.13-rc7' of https://github.com/awilliam/linux-vfio (2025-01-06 06:56:23 -0800)

are available in the Git repository at:

  https://github.com/awilliam/linux-vfio.git tags/vfio-v6.14-rc1

for you to fetch changes up to 2bb447540e71ee530388750c38e1b2c8ea08b4b7:

  vfio/nvgrace-gpu: Add GB200 SKU to the devid table (2025-01-27 09:43:33 -0700)

----------------------------------------------------------------
VFIO updates for v6.14-rc1

 - Extend vfio-pci 8-byte read/write support to include archs defining
   CONFIG_GENERIC_IOMAP, such as x86, and remove now extraneous #ifdefs
   around 64-bit accessors. (Ramesh Thomas)

 - Update vfio-pci shadow ROM handling and allow cached ROM from setup
   data to be exposed as a functional ROM BAR region when available.
   (Yunxiang Li)

 - Update nvgrace-gpu vfio-pci variant driver for new Grace Blackwell
   hardware, conditionalizing the uncached BAR workaround for previous
   generation hardware based on the presence of a flag in a new DVSEC
   capability, and include a delay during probe for link training to
   complete, a new requirement for GB devices. (Ankit Agrawal)

----------------------------------------------------------------
Alex Williamson (1):
      vfio/platform: check the bounds of read/write syscalls

Ankit Agrawal (4):
      vfio/nvgrace-gpu: Read dvsec register to determine need for uncached resmem
      vfio/nvgrace-gpu: Expose the blackwell device PF BAR1 to the VM
      vfio/nvgrace-gpu: Check the HBM training and C2C link status
      vfio/nvgrace-gpu: Add GB200 SKU to the devid table

Ramesh Thomas (2):
      vfio/pci: Enable iowrite64 and ioread64 for vfio pci
      vfio/pci: Remove #ifdef iowrite64 and #ifdef ioread64

Yunxiang Li (2):
      vfio/pci: Remove shadow ROM specific code paths
      vfio/pci: Expose setup ROM at ROM bar when needed

 drivers/vfio/pci/nvgrace-gpu/main.c          | 169 +++++++++++++++++++++++----
 drivers/vfio/pci/vfio_pci_config.c           |   8 +-
 drivers/vfio/pci/vfio_pci_core.c             |  40 +++----
 drivers/vfio/pci/vfio_pci_rdwr.c             |  38 +++---
 drivers/vfio/platform/vfio_platform_common.c |  10 ++
 5 files changed, 196 insertions(+), 69 deletions(-)