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| author | Reinette Chatre <reinette.chatre@intel.com> | 2023-05-11 08:44:36 -0700 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2023-05-23 15:49:03 -0600 |
| commit | dd27a707003818fc8435d8621527d4b3af7d2ab1 (patch) | |
| tree | 22a492961e04eb0a10b82f1c102f0a8b3e5ef0fd /include/linux/vfio_pci_core.h | |
| parent | 9cd0f6d5cbb6fda09aa83beb8146c287a552017e (diff) | |
| download | linux-stable-dd27a707003818fc8435d8621527d4b3af7d2ab1.tar.gz linux-stable-dd27a707003818fc8435d8621527d4b3af7d2ab1.tar.bz2 linux-stable-dd27a707003818fc8435d8621527d4b3af7d2ab1.zip | |
vfio/pci: Probe and store ability to support dynamic MSI-X
Not all MSI-X devices support dynamic MSI-X allocation. Whether
a device supports dynamic MSI-X should be queried using
pci_msix_can_alloc_dyn().
Instead of scattering code with pci_msix_can_alloc_dyn(),
probe this ability once and store it as a property of the
virtual device.
Suggested-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/f1ae022c060ecb7e527f4f53c8ccafe80768da47.1683740667.git.reinette.chatre@intel.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'include/linux/vfio_pci_core.h')
| -rw-r--r-- | include/linux/vfio_pci_core.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/vfio_pci_core.h b/include/linux/vfio_pci_core.h index adb47e2914d7..562e8754869d 100644 --- a/include/linux/vfio_pci_core.h +++ b/include/linux/vfio_pci_core.h @@ -68,6 +68,7 @@ struct vfio_pci_core_device { u16 msix_size; u32 msix_offset; u32 rbar[7]; + bool has_dyn_msix:1; bool pci_2_3:1; bool virq_disabled:1; bool reset_works:1; |