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author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-08-06 08:59:35 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-08-06 08:59:35 -0700 |
commit | a9cf69d0e7f2051cca1c08ed9b34fe79da951ee9 (patch) | |
tree | 80af592fdcb2a815a35272cd8375aa03c7d2f04a /drivers/vfio/pci/mlx5/cmd.c | |
parent | 6614a3c3164a5df2b54abb0b3559f51041cf705b (diff) | |
parent | 099fd2c2020751737d9288f923d562e0e05977eb (diff) | |
download | linux-stable-a9cf69d0e7f2051cca1c08ed9b34fe79da951ee9.tar.gz linux-stable-a9cf69d0e7f2051cca1c08ed9b34fe79da951ee9.tar.bz2 linux-stable-a9cf69d0e7f2051cca1c08ed9b34fe79da951ee9.zip |
Merge tag 'vfio-v6.0-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Cleanup use of extern in function prototypes (Alex Williamson)
- Simplify bus_type usage and convert to device IOMMU interfaces (Robin
Murphy)
- Check missed return value and fix comment typos (Bo Liu)
- Split migration ops from device ops and fix races in mlx5 migration
support (Yishai Hadas)
- Fix missed return value check in noiommu support (Liam Ni)
- Hardening to clear buffer pointer to avoid use-after-free (Schspa
Shi)
- Remove requirement that only the same mm can unmap a previously
mapped range (Li Zhe)
- Adjust semaphore release vs device open counter (Yi Liu)
- Remove unused arg from SPAPR support code (Deming Wang)
- Rework vfio-ccw driver to better fit new mdev framework (Eric Farman,
Michael Kawano)
- Replace DMA unmap notifier with callbacks (Jason Gunthorpe)
- Clarify SPAPR support comment relative to iommu_ops (Alexey
Kardashevskiy)
- Revise page pinning API towards compatibility with future iommufd
support (Nicolin Chen)
- Resolve issues in vfio-ccw, including use of DMA unmap callback (Eric
Farman)
* tag 'vfio-v6.0-rc1' of https://github.com/awilliam/linux-vfio: (40 commits)
vfio/pci: fix the wrong word
vfio/ccw: Check return code from subchannel quiesce
vfio/ccw: Remove FSM Close from remove handlers
vfio/ccw: Add length to DMA_UNMAP checks
vfio: Replace phys_pfn with pages for vfio_pin_pages()
vfio/ccw: Add kmap_local_page() for memcpy
vfio: Rename user_iova of vfio_dma_rw()
vfio/ccw: Change pa_pfn list to pa_iova list
vfio/ap: Change saved_pfn to saved_iova
vfio: Pass in starting IOVA to vfio_pin/unpin_pages API
vfio/ccw: Only pass in contiguous pages
vfio/ap: Pass in physical address of ind to ap_aqic()
drm/i915/gvt: Replace roundup with DIV_ROUND_UP
vfio: Make vfio_unpin_pages() return void
vfio/spapr_tce: Fix the comment
vfio: Replace the iommu notifier with a device list
vfio: Replace the DMA unmapping notifier with a callback
vfio/ccw: Move FSM open/close to MDEV open/close
vfio/ccw: Refactor vfio_ccw_mdev_reset
vfio/ccw: Create a CLOSE FSM event
...
Diffstat (limited to 'drivers/vfio/pci/mlx5/cmd.c')
-rw-r--r-- | drivers/vfio/pci/mlx5/cmd.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/vfio/pci/mlx5/cmd.c b/drivers/vfio/pci/mlx5/cmd.c index 9b9f33ca270a..dd5d7bfe0a49 100644 --- a/drivers/vfio/pci/mlx5/cmd.c +++ b/drivers/vfio/pci/mlx5/cmd.c @@ -88,6 +88,16 @@ static int mlx5fv_vf_event(struct notifier_block *nb, return 0; } +void mlx5vf_cmd_close_migratable(struct mlx5vf_pci_core_device *mvdev) +{ + if (!mvdev->migrate_cap) + return; + + mutex_lock(&mvdev->state_mutex); + mlx5vf_disable_fds(mvdev); + mlx5vf_state_mutex_unlock(mvdev); +} + void mlx5vf_cmd_remove_migratable(struct mlx5vf_pci_core_device *mvdev) { if (!mvdev->migrate_cap) @@ -98,7 +108,8 @@ void mlx5vf_cmd_remove_migratable(struct mlx5vf_pci_core_device *mvdev) destroy_workqueue(mvdev->cb_wq); } -void mlx5vf_cmd_set_migratable(struct mlx5vf_pci_core_device *mvdev) +void mlx5vf_cmd_set_migratable(struct mlx5vf_pci_core_device *mvdev, + const struct vfio_migration_ops *mig_ops) { struct pci_dev *pdev = mvdev->core_device.pdev; int ret; @@ -139,6 +150,7 @@ void mlx5vf_cmd_set_migratable(struct mlx5vf_pci_core_device *mvdev) mvdev->core_device.vdev.migration_flags = VFIO_MIGRATION_STOP_COPY | VFIO_MIGRATION_P2P; + mvdev->core_device.vdev.mig_ops = mig_ops; end: mlx5_vf_put_core_dev(mvdev->mdev); |