diff --git a/drivers/gpu/drm/xe/xe_sriov_pf_sysfs.c b/drivers/gpu/drm/xe/xe_sriov_pf_sysfs.c index 0430ffaa746a..19724a28fb33 100644 --- a/drivers/gpu/drm/xe/xe_sriov_pf_sysfs.c +++ b/drivers/gpu/drm/xe/xe_sriov_pf_sysfs.c @@ -24,7 +24,8 @@ * ├── ... * ├── .bulk_profile * │ ├── exec_quantum_ms - * │ └── preempt_timeout_us + * │ ├── preempt_timeout_us + * │ └── sched_priority * ├── pf/ * │ ├── ... * │ └── profile @@ -108,9 +109,48 @@ static XE_SRIOV_DEV_ATTR_WO(NAME) DEFINE_SIMPLE_BULK_PROVISIONING_SRIOV_DEV_ATTR_WO(exec_quantum_ms, eq, u32); DEFINE_SIMPLE_BULK_PROVISIONING_SRIOV_DEV_ATTR_WO(preempt_timeout_us, pt, u32); +static const char * const sched_priority_names[] = { + [GUC_SCHED_PRIORITY_LOW] = "low", + [GUC_SCHED_PRIORITY_NORMAL] = "normal", + [GUC_SCHED_PRIORITY_HIGH] = "high", +}; + +static bool sched_priority_high_allowed(unsigned int vfid) +{ + /* As of today GuC FW allows to select 'high' priority only for the PF. */ + return vfid == PFID; +} + +static bool sched_priority_bulk_high_allowed(struct xe_device *xe) +{ + /* all VFs are equal - it's sufficient to check VF1 only */ + return sched_priority_high_allowed(VFID(1)); +} + +static ssize_t xe_sriov_dev_attr_sched_priority_store(struct xe_device *xe, + const char *buf, size_t count) +{ + size_t num_priorities = ARRAY_SIZE(sched_priority_names); + int match; + int err; + + if (!sched_priority_bulk_high_allowed(xe)) + num_priorities--; + + match = __sysfs_match_string(sched_priority_names, num_priorities, buf); + if (match < 0) + return -EINVAL; + + err = xe_sriov_pf_provision_bulk_apply_priority(xe, match); + return err ?: count; +} + +static XE_SRIOV_DEV_ATTR_WO(sched_priority); + static struct attribute *bulk_profile_dev_attrs[] = { &xe_sriov_dev_attr_exec_quantum_ms.attr, &xe_sriov_dev_attr_preempt_timeout_us.attr, + &xe_sriov_dev_attr_sched_priority.attr, NULL };