linux/drivers/vfio
Linus Torvalds 176882156a VFIO updates for v5.19-rc1
- Improvements to mlx5 vfio-pci variant driver, including support
    for parallel migration per PF (Yishai Hadas)
 
  - Remove redundant iommu_present() check (Robin Murphy)
 
  - Ongoing refactoring to consolidate the VFIO driver facing API
    to use vfio_device (Jason Gunthorpe)
 
  - Use drvdata to store vfio_device among all vfio-pci and variant
    drivers (Jason Gunthorpe)
 
  - Remove redundant code now that IOMMU core manages group DMA
    ownership (Jason Gunthorpe)
 
  - Remove vfio_group from external API handling struct file ownership
    (Jason Gunthorpe)
 
  - Correct typo in uapi comments (Thomas Huth)
 
  - Fix coccicheck detected deadlock (Wan Jiabing)
 
  - Use rwsem to remove races and simplify code around container and
    kvm association to groups (Jason Gunthorpe)
 
  - Harden access to devices in low power states and use runtime PM to
    enable d3cold support for unused devices (Abhishek Sahu)
 
  - Fix dma_owner handling of fake IOMMU groups (Jason Gunthorpe)
 
  - Set driver_managed_dma on vfio-pci variant drivers (Jason Gunthorpe)
 
  - Pass KVM pointer directly rather than via notifier (Matthew Rosato)
 -----BEGIN PGP SIGNATURE-----
 
 iQJPBAABCAA5FiEEQvbATlQL0amee4qQI5ubbjuwiyIFAmKPvyMbHGFsZXgud2ls
 bGlhbXNvbkByZWRoYXQuY29tAAoJECObm247sIsihegP/3XamiYsS0GuA7awAq/X
 h9Jahb6kJ+sh0RXL1Gqzc9nxH5X9H/hBcL88VOV3GLwyOhNVNpVjQXGguL3aLaCE
 zUrs0+AFEJb990y9H+VgwIDom5BIpgdZ2naG42bz9wUeVGg4daJnkMwOgXwIBzfx
 IOddktN6UwuE+DyA57yqL93f+0cTrhYZx9R14sDoLR5lE4uGnbQwIknawEKVtoeR
 rEPaCFptxPxCUbqoOSR0Y3bu6rUYSH4iiMZpMviqm2ak3aNn76gru3q4QAnI4gTd
 l/w+2OJNFC0U7H5Cz7cdIn2StdJvfSkX0e753+qsFccFsViRCGdnW0Lht/xrYrFC
 i8AJxkrq2/bs00LXs7kzcruaD8pJ2UPe2x2+nupHSEsj99K4NraeHRB2CC1uwj0d
 gYliOSW5T3//wOpztK48s475VppgXeKWkXGoNY3JJlGjAPyd0vFrH8hRLhVZJ9uI
 /eLh6hQnOJuCDz1rQrVNRk6cZi9R1Wpl5dvCBRLqjK519nm569aTlVBra+iNyUCQ
 lU5/kN0ym8+X8CweE5ILPGiX2iEXBYMqv+Dm5yOimRUHRJZHYv900FX0GVEnCUCq
 23sMDaeHS1hyDCQk//bd2Ig7xjh7mbh7CrKcdJ7pL5Gc/A1zkCXd54hvxViiGwQq
 U5KIPTyJy+erpcpxjUApaoP2
 =etEI
 -----END PGP SIGNATURE-----

Merge tag 'vfio-v5.19-rc1' of https://github.com/awilliam/linux-vfio

Pull vfio updates from Alex Williamson:

 - Improvements to mlx5 vfio-pci variant driver, including support for
   parallel migration per PF (Yishai Hadas)

 - Remove redundant iommu_present() check (Robin Murphy)

 - Ongoing refactoring to consolidate the VFIO driver facing API to use
   vfio_device (Jason Gunthorpe)

 - Use drvdata to store vfio_device among all vfio-pci and variant
   drivers (Jason Gunthorpe)

 - Remove redundant code now that IOMMU core manages group DMA ownership
   (Jason Gunthorpe)

 - Remove vfio_group from external API handling struct file ownership
   (Jason Gunthorpe)

 - Correct typo in uapi comments (Thomas Huth)

 - Fix coccicheck detected deadlock (Wan Jiabing)

 - Use rwsem to remove races and simplify code around container and kvm
   association to groups (Jason Gunthorpe)

 - Harden access to devices in low power states and use runtime PM to
   enable d3cold support for unused devices (Abhishek Sahu)

 - Fix dma_owner handling of fake IOMMU groups (Jason Gunthorpe)

 - Set driver_managed_dma on vfio-pci variant drivers (Jason Gunthorpe)

 - Pass KVM pointer directly rather than via notifier (Matthew Rosato)

* tag 'vfio-v5.19-rc1' of https://github.com/awilliam/linux-vfio: (38 commits)
  vfio: remove VFIO_GROUP_NOTIFY_SET_KVM
  vfio/pci: Add driver_managed_dma to the new vfio_pci drivers
  vfio: Do not manipulate iommu dma_owner for fake iommu groups
  vfio/pci: Move the unused device into low power state with runtime PM
  vfio/pci: Virtualize PME related registers bits and initialize to zero
  vfio/pci: Change the PF power state to D0 before enabling VFs
  vfio/pci: Invalidate mmaps and block the access in D3hot power state
  vfio: Change struct vfio_group::container_users to a non-atomic int
  vfio: Simplify the life cycle of the group FD
  vfio: Fully lock struct vfio_group::container
  vfio: Split up vfio_group_get_device_fd()
  vfio: Change struct vfio_group::opened from an atomic to bool
  vfio: Add missing locking for struct vfio_group::kvm
  kvm/vfio: Fix potential deadlock problem in vfio
  include/uapi/linux/vfio.h: Fix trivial typo - _IORW should be _IOWR instead
  vfio/pci: Use the struct file as the handle not the vfio_group
  kvm/vfio: Remove vfio_group from kvm
  vfio: Change vfio_group_set_kvm() to vfio_file_set_kvm()
  vfio: Change vfio_external_check_extension() to vfio_file_enforced_coherent()
  vfio: Remove vfio_external_group_match_file()
  ...
2022-06-01 13:49:15 -07:00
..
fsl-mc vfio: Set DMA ownership for VFIO devices 2022-04-28 15:32:20 +02:00
mdev vfio/mdev: Use the driver core to create the 'remove' file 2022-04-21 07:36:56 -04:00
pci vfio/pci: Add driver_managed_dma to the new vfio_pci drivers 2022-05-23 10:46:34 -06:00
platform vfio: Set DMA ownership for VFIO devices 2022-04-28 15:32:20 +02:00
Kconfig vfio: Use kconfig if XX/endif blocks instead of repeating 'depends on' 2021-08-26 10:36:51 -06:00
Makefile vfio/fsl-mc: Add VFIO framework skeleton for fsl-mc devices 2020-10-07 14:17:33 -06:00
vfio_iommu_spapr_tce.c vfio/spapr_tce: reject mediated devices 2021-09-30 12:46:44 -06:00
vfio_iommu_type1.c vfio: Move the Intel no-snoop control off of IOMMU_CACHE 2022-04-28 17:24:57 +02:00
vfio_spapr_eeh.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
vfio.c VFIO updates for v5.19-rc1 2022-06-01 13:49:15 -07:00
vfio.h vfio: clean up the check for mediated device in vfio_iommu_type1 2021-09-30 12:46:44 -06:00
virqfd.c vfio/virqfd: Drain events from eventfd in virqfd_wakeup() 2020-11-15 09:49:10 -05:00