diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_sriov_types.h')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_sriov_types.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_sriov_types.h b/drivers/gpu/drm/xe/xe_sriov_types.h index 999a4311b98b..1a138108d139 100644 --- a/drivers/gpu/drm/xe/xe_sriov_types.h +++ b/drivers/gpu/drm/xe/xe_sriov_types.h @@ -9,6 +9,18 @@ #include <linux/build_bug.h> /** + * VFID - Virtual Function Identifier + * @n: VF number + * + * Helper macro to represent Virtual Function (VF) Identifier. + * VFID(0) is used as alias to the PFID that represents Physical Function. + * + * Note: According to PCI spec, SR-IOV VF's numbers are 1-based (VF1, VF2, ...). + */ +#define VFID(n) (n) +#define PFID VFID(0) + +/** * enum xe_sriov_mode - SR-IOV mode * @XE_SRIOV_MODE_NONE: bare-metal mode (non-virtualized) * @XE_SRIOV_MODE_PF: SR-IOV Physical Function (PF) mode |