diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_sriov_pf.c')
-rw-r--r-- | drivers/gpu/drm/xe/xe_sriov_pf.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_sriov_pf.c b/drivers/gpu/drm/xe/xe_sriov_pf.c index afbdd894bd6e..27ddf3cc80e9 100644 --- a/drivers/gpu/drm/xe/xe_sriov_pf.c +++ b/drivers/gpu/drm/xe/xe_sriov_pf.c @@ -9,6 +9,7 @@ #include "xe_assert.h" #include "xe_device.h" +#include "xe_gt_sriov_pf.h" #include "xe_module.h" #include "xe_sriov.h" #include "xe_sriov_pf.h" @@ -103,6 +104,32 @@ int xe_sriov_pf_init_early(struct xe_device *xe) } /** + * xe_sriov_pf_wait_ready() - Wait until PF is ready to operate. + * @xe: the &xe_device to test + * + * This function can only be called on PF. + * + * Return: 0 on success or a negative error code on failure. + */ +int xe_sriov_pf_wait_ready(struct xe_device *xe) +{ + struct xe_gt *gt; + unsigned int id; + int err; + + if (xe_device_wedged(xe)) + return -ECANCELED; + + for_each_gt(gt, xe, id) { + err = xe_gt_sriov_pf_wait_ready(gt); + if (err) + return err; + } + + return 0; +} + +/** * xe_sriov_pf_print_vfs_summary - Print SR-IOV PF information. * @xe: the &xe_device to print info from * @p: the &drm_printer |