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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-05-02 11:56:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-05-02 11:56:43 -0700 |
| commit | 7df047b3f0aa0c0ba730b6be9ab35c0053a3d4fd (patch) | |
| tree | d49c090a100c070c357f55557e401b04526d0032 /Documentation/virt | |
| parent | 21d2be646007a1c5461f4233749c368693aa6d9f (diff) | |
| parent | 705b004ee377b789e39ae237519bab714297ac83 (diff) | |
| download | linux-7df047b3f0aa0c0ba730b6be9ab35c0053a3d4fd.tar.gz | |
Merge tag 'vfio-v6.4-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Expose and allow R/W access to the PCIe DVSEC capability through
vfio-pci, as we already do with the legacy vendor capability
(K V P Satyanarayana)
- Fix kernel-doc issues with structure definitions (Simon Horman)
- Clarify ordering of operations relative to the kvm-vfio device for
driver dependencies against the kvm pointer (Yi Liu)
* tag 'vfio-v6.4-rc1' of https://github.com/awilliam/linux-vfio:
docs: kvm: vfio: Suggest KVM_DEV_VFIO_GROUP_ADD vs VFIO_GROUP_GET_DEVICE_FD ordering
vfio: correct kdoc for ops structures
vfio/pci: Add DVSEC PCI Extended Config Capability to user visible list.
Diffstat (limited to 'Documentation/virt')
| -rw-r--r-- | Documentation/virt/kvm/devices/vfio.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/virt/kvm/devices/vfio.rst b/Documentation/virt/kvm/devices/vfio.rst index 2d20dc561069..08b544212638 100644 --- a/Documentation/virt/kvm/devices/vfio.rst +++ b/Documentation/virt/kvm/devices/vfio.rst @@ -39,3 +39,8 @@ KVM_DEV_VFIO_GROUP attributes: - @groupfd is a file descriptor for a VFIO group; - @tablefd is a file descriptor for a TCE table allocated via KVM_CREATE_SPAPR_TCE. + +The GROUP_ADD operation above should be invoked prior to accessing the +device file descriptor via VFIO_GROUP_GET_DEVICE_FD in order to support +drivers which require a kvm pointer to be set in their .open_device() +callback. |