diff options
| author | Reinette Chatre <[email protected]> | 2023-05-11 08:44:38 -0700 |
|---|---|---|
| committer | Alex Williamson <[email protected]> | 2023-05-23 15:49:03 -0600 |
| commit | 6c8017c6a58d06c2fcce3b034944ad056ccf02ce (patch) | |
| tree | affebfd963d7369d685c9c372821060d4b67f1bd /include/uapi/linux | |
| parent | e4163438e01583194d043c07adce326b29786f94 (diff) | |
vfio/pci: Clear VFIO_IRQ_INFO_NORESIZE for MSI-X
Dynamic MSI-X is supported. Clear VFIO_IRQ_INFO_NORESIZE
to provide guidance to user space.
Signed-off-by: Reinette Chatre <[email protected]>
Reviewed-by: Kevin Tian <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Reviewed-by: Jason Gunthorpe <[email protected]>
Link: https://lore.kernel.org/r/fd1ef2bf6ae972da8e2805bc95d5155af5a8fb0a.1683740667.git.reinette.chatre@intel.com
Signed-off-by: Alex Williamson <[email protected]>
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/vfio.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h index 0552e8dcf0cb..1a36134cae5c 100644 --- a/include/uapi/linux/vfio.h +++ b/include/uapi/linux/vfio.h @@ -511,6 +511,9 @@ struct vfio_region_info_cap_nvlink2_lnkspd { * then add and unmask vectors, it's up to userspace to make the decision * whether to allocate the maximum supported number of vectors or tear * down setup and incrementally increase the vectors as each is enabled. + * Absence of the NORESIZE flag indicates that vectors can be enabled + * and disabled dynamically without impacting other vectors within the + * index. */ struct vfio_irq_info { __u32 argsz; |