mirror-linux/Documentation/driver-api
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)
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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
..
80211
acpi Documentation: ACPI: fix error script name 2021-06-17 13:21:48 -06:00
backlight
cxl cxl/mem: Add the cxl_mem driver 2022-02-08 22:57:32 -08:00
dmaengine dmaengine: Document dmaengine_prep_dma_memset 2022-04-20 17:28:12 +05:30
driver-model Documentation: devres: fix typo in interface list 2022-04-28 12:29:52 -06:00
early-userspace Documentation: Fix intiramfs script name 2021-07-18 23:48:14 +09:00
firmware
fpga fpga: region: Use standard dev_release for class driver 2021-11-28 14:02:41 -08:00
gpio Documentation: gpio: Advertise irqd_to_hwirq() helper in the examples 2022-05-16 20:16:54 +03:00
i3c
iio docs: iio: mark "repeat" sysfs attribute as optional 2021-03-11 20:47:08 +00:00
md
media media: Documentation: mc: Add media_device_{init,cleanup} 2022-05-17 09:18:02 +02:00
mei
memory-devices
mmc docs: mmc: update maintainer name and URL 2021-10-28 11:54:54 +02:00
mtd Documentation / MTD: Rename the intel-spi driver 2022-02-14 12:53:10 +00:00
nfc nfc: constify nfc_llc_ops 2021-07-25 09:21:21 +01:00
nvdimm nvdimm/blk: Fix title level 2022-03-23 17:52:33 -07:00
pci PCI/MSI: Move code into a separate directory 2021-12-09 11:52:22 +01:00
phy
pldmfw
pm docs: devices.rst: better reference documentation docs 2021-06-17 13:24:36 -06:00
rapidio
serial docs: serial: fix a reference file name in driver.rst 2022-03-11 14:05:02 -07:00
soundwire
surface_aggregator platform-drivers-x86 for v5.14-1 2021-06-30 11:15:39 -07:00
thermal docs: driver-api/thermal/intel_dptf: Use copyright symbol 2022-04-05 09:46:06 -06:00
usb Docs: usb: update writesize, copy_from_user, usb_fill_bulk_urb, usb_submit_urb 2021-11-17 14:54:58 +01:00
xilinx firmware: xilinx: Remove zynqmp_pm_get_eemi_ops() in IS_REACHABLE(CONFIG_ZYNQMP_FIRMWARE) 2021-03-01 12:52:07 +01:00
auxiliary_bus.rst Documentation/auxiliary_bus: Move the text into the code 2021-12-03 16:41:50 +01:00
basics.rst
clk.rst
component.rst
connector.rst
console.rst
dcdbas.rst
devfreq.rst
device-io.rst dma-buf-map: Rename to iosys-map 2022-02-07 16:35:35 -08:00
device_link.rst
dma-buf.rst dma-buf: add dma_fence_unwrap v2 2022-03-25 14:18:28 +01:00
edac.rst
eisa.rst
firewire.rst Documentation: fix firewire.rst ABI file path error 2022-01-20 17:01:32 -07:00
frame-buffer.rst
generic-counter.rst counter: Update documentation for new counter registration functions 2021-12-30 17:44:06 +01:00
hsi.rst
i2c.rst
index.rst vfio-pci: Provide reviewers and acceptance criteria for variant drivers 2022-03-17 09:57:11 -06:00
infiniband.rst
infrastructure.rst
input.rst
interconnect.rst
io-mapping.rst
io_ordering.rst
ioctl.rst docs: driver-api: avoid using ReST :doc:`foo` markup 2021-06-17 13:24:37 -06:00
ipmb.rst
ipmi.rst ipmi: Add docs for the IPMI IPMB driver 2021-10-05 06:54:17 -05:00
isa.rst
isapnp.rst
libata.rst libata: Improve ATA queued command allocation 2022-04-11 09:27:44 +09:00
mailbox.rst
men-chameleon-bus.rst
message-based.rst
misc_devices.rst
miscellaneous.rst
mtdnand.rst
ntb.rst
nvmem.rst doc: nvmem: Update example 2022-02-21 18:00:30 +01:00
parport-lowlevel.rst
pin-control.rst docs/pinctrl: fix the reference to the u300 platform 2021-05-28 02:59:40 +02:00
pps.rst
ptp.rst
pwm.rst pwm: Document that the pinstate of a disabled PWM isn't reliable 2022-05-20 16:36:07 +02:00
regulator.rst
reset.rst
rfkill.rst
s390-drivers.rst
scsi.rst
slimbus.rst
sm501.rst
spi.rst
switchtec.rst
sync_file.rst
target.rst
uio-howto.rst
vfio-mediated-device.rst vfio/mdev: Pass in a struct vfio_device * to vfio_pin/unpin_pages() 2022-05-11 13:12:59 -06:00
vfio-pci-device-specific-driver-acceptance.rst vfio-pci: Provide reviewers and acceptance criteria for variant drivers 2022-03-17 09:57:11 -06:00
vfio.rst vfio: Introduce a vfio_uninit_group_dev() API call 2021-08-11 09:50:10 -06:00
vme.rst
w1.rst
xillybus.rst
zorro.rst