diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_sriov_pf_control.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_sriov_pf_control.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_control.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_control.c index 40b8f881fe04..ebf06e037750 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_control.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_control.c @@ -130,6 +130,27 @@ int xe_gt_sriov_pf_control_stop_vf(struct xe_gt *gt, unsigned int vfid) } /** + * xe_gt_sriov_pf_control_trigger_flr - Start a VF FLR sequence. + * @gt: the &xe_gt + * @vfid: the VF identifier + * + * This function is for PF only. + * + * Return: 0 on success or a negative error code on failure. + */ +int xe_gt_sriov_pf_control_trigger_flr(struct xe_gt *gt, unsigned int vfid) +{ + int err; + + /* XXX pf_send_vf_flr_start() expects ct->lock */ + mutex_lock(>->uc.guc.ct.lock); + err = pf_send_vf_flr_start(gt, vfid); + mutex_unlock(>->uc.guc.ct.lock); + + return err; +} + +/** * DOC: The VF FLR Flow with GuC * * PF GUC PCI |