[GIT PULL] VFIO updates for v5.7-rc1

[Alex Williamson]

Hi Linus,

The following changes since commit 16fbf79b0f83bc752cee8589279f1ebfe57b3b6e:

  Linux 5.6-rc7 (2020-03-22 18:31:56 -0700)

are available in the Git repository at:

  git://github.com/awilliam/linux-vfio.git tags/vfio-v5.7-rc1

for you to fetch changes up to f44efca0493ddc1e8731047c234ec8e475943077:

  vfio: Ignore -ENODEV when getting MSI cookie (2020-04-01 13:51:51 -0600)

----------------------------------------------------------------
VFIO updates for v5.7-rc1

 - vfio-pci SR-IOV support (Alex Williamson)

 - vfio DMA read/write interface (Yan Zhao)

 - Fix vfio-platform erroneous IRQ error log (Eric Auger)

 - Fix shared ATSD support for NVLink on POWER (Sam Bobroff)

 - Fix init error without CONFIG_IOMMU_DMA (Andre Przywara)

----------------------------------------------------------------
Alex Williamson (8):
      vfio: Include optional device match in vfio_device_ops callbacks
      vfio/pci: Implement match ops
      vfio/pci: Introduce VF token
      vfio: Introduce VFIO_DEVICE_FEATURE ioctl and first user
      vfio/pci: Add sriov_configure support
      vfio/pci: Remove dev_fmt definition
      vfio/pci: Cleanup .probe() exit paths
      Merge branches 'v5.7/vfio/alex-sriov-v3' and 'v5.7/vfio/yan-dma-rw-v4' into v5.7/vfio/next

Andre Przywara (1):
      vfio: Ignore -ENODEV when getting MSI cookie

Eric Auger (1):
      vfio: platform: Switch to platform_get_irq_optional()

Sam Bobroff (1):
      vfio-pci/nvlink2: Allow fallback to ibm,mmio-atsd[0]

Yan Zhao (3):
      vfio: allow external user to get vfio group from device
      vfio: introduce vfio_dma_rw to read/write a range of IOVAs
      vfio: avoid inefficient operations on VFIO group in vfio_pin/unpin_pages

 drivers/vfio/pci/vfio_pci.c           | 390 +++++++++++++++++++++++++++++++---
 drivers/vfio/pci/vfio_pci_nvlink2.c   |  10 +-
 drivers/vfio/pci/vfio_pci_private.h   |  10 +
 drivers/vfio/platform/vfio_platform.c |   2 +-
 drivers/vfio/vfio.c                   | 198 ++++++++++++++++-
 drivers/vfio/vfio_iommu_type1.c       |  78 ++++++-
 include/linux/vfio.h                  |  17 ++
 include/uapi/linux/vfio.h             |  37 ++++
 8 files changed, 710 insertions(+), 32 deletions(-)