diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c index 5102035faa7e..eb71c2009c34 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c @@ -197,6 +197,71 @@ DEFINE_SRIOV_GT_CONFIG_DEBUGFS_ATTRIBUTE(dbs, u32, "%llu\n"); DEFINE_SRIOV_GT_CONFIG_DEBUGFS_ATTRIBUTE(exec_quantum, u32, "%llu\n"); DEFINE_SRIOV_GT_CONFIG_DEBUGFS_ATTRIBUTE(preempt_timeout, u32, "%llu\n"); +/* + * /sys/kernel/debug/dri/0/ + * ├── gt0 + * │   ├── pf + * │   │   ├── threshold_cat_error_count + * │   │   ├── threshold_doorbell_time_us + * │   │   ├── threshold_engine_reset_count + * │   │   ├── threshold_guc_time_us + * │   │   ├── threshold_irq_time_us + * │   │   ├── threshold_page_fault_count + * │   ├── vf1 + * │   │   ├── threshold_cat_error_count + * │   │   ├── threshold_doorbell_time_us + * │   │   ├── threshold_engine_reset_count + * │   │   ├── threshold_guc_time_us + * │   │   ├── threshold_irq_time_us + * │   │   ├── threshold_page_fault_count + */ + +static int set_threshold(void *data, u64 val, enum xe_guc_klv_threshold_index index) +{ + struct xe_gt *gt = extract_gt(data); + unsigned int vfid = extract_vfid(data); + struct xe_device *xe = gt_to_xe(gt); + int err; + + if (val > (u32)~0ull) + return -EOVERFLOW; + + xe_pm_runtime_get(xe); + err = xe_gt_sriov_pf_config_set_threshold(gt, vfid, index, val); + xe_pm_runtime_put(xe); + + return err; +} + +static int get_threshold(void *data, u64 *val, enum xe_guc_klv_threshold_index index) +{ + struct xe_gt *gt = extract_gt(data); + unsigned int vfid = extract_vfid(data); + + *val = xe_gt_sriov_pf_config_get_threshold(gt, vfid, index); + return 0; +} + +#define DEFINE_SRIOV_GT_THRESHOLD_DEBUGFS_ATTRIBUTE(THRESHOLD, INDEX) \ + \ +static int THRESHOLD##_set(void *data, u64 val) \ +{ \ + return set_threshold(data, val, INDEX); \ +} \ + \ +static int THRESHOLD##_get(void *data, u64 *val) \ +{ \ + return get_threshold(data, val, INDEX); \ +} \ + \ +DEFINE_DEBUGFS_ATTRIBUTE(THRESHOLD##_fops, THRESHOLD##_get, THRESHOLD##_set, "%llu\n") + +/* generate all threshold attributes */ +#define define_threshold_attribute(TAG, NAME, ...) \ + DEFINE_SRIOV_GT_THRESHOLD_DEBUGFS_ATTRIBUTE(NAME, MAKE_XE_GUC_KLV_THRESHOLD_INDEX(TAG)); +MAKE_XE_GUC_KLV_THRESHOLDS_SET(define_threshold_attribute) +#undef define_threshold_attribute + static void pf_add_config_attrs(struct xe_gt *gt, struct dentry *parent, unsigned int vfid) { xe_gt_assert(gt, gt == extract_gt(parent)); @@ -217,6 +282,13 @@ static void pf_add_config_attrs(struct xe_gt *gt, struct dentry *parent, unsigne &exec_quantum_fops); debugfs_create_file_unsafe("preempt_timeout_us", 0644, parent, parent, &preempt_timeout_fops); + + /* register all threshold attributes */ +#define register_threshold_attribute(TAG, NAME, ...) \ + debugfs_create_file_unsafe("threshold_" #NAME, 0644, parent, parent, \ + &NAME##_fops); + MAKE_XE_GUC_KLV_THRESHOLDS_SET(register_threshold_attribute) +#undef register_threshold_attribute } /*