Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Michal Wajdeczko | 604 | 98.69% | 4 | 80.00% |
Matthew Brost | 8 | 1.31% | 1 | 20.00% |
Total | 612 | 5 |
// SPDX-License-Identifier: MIT /* * Copyright © 2023-2024 Intel Corporation */ #include "abi/guc_actions_sriov_abi.h" #include "abi/guc_messages_abi.h" #include "xe_gt_sriov_pf_config.h" #include "xe_gt_sriov_pf_helpers.h" #include "xe_gt_sriov_pf_monitor.h" #include "xe_gt_sriov_printk.h" #include "xe_guc_klv_helpers.h" #include "xe_guc_klv_thresholds_set.h" /** * xe_gt_sriov_pf_monitor_flr - Cleanup VF data after VF FLR. * @gt: the &xe_gt * @vfid: the VF identifier * * On FLR this function will reset all event data related to the VF. * This function is for PF only. */ void xe_gt_sriov_pf_monitor_flr(struct xe_gt *gt, u32 vfid) { int e; xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt))); xe_gt_sriov_pf_assert_vfid(gt, vfid); for (e = 0; e < XE_GUC_KLV_NUM_THRESHOLDS; e++) gt->sriov.pf.vfs[vfid].monitor.guc.events[e] = 0; } static void pf_update_event_counter(struct xe_gt *gt, u32 vfid, enum xe_guc_klv_threshold_index e) { xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt))); xe_gt_assert(gt, e < XE_GUC_KLV_NUM_THRESHOLDS); gt->sriov.pf.vfs[vfid].monitor.guc.events[e]++; } static int pf_handle_vf_threshold_event(struct xe_gt *gt, u32 vfid, u32 threshold) { char origin[8]; int e; e = xe_guc_klv_threshold_key_to_index(threshold); xe_sriov_function_name(vfid, origin, sizeof(origin)); /* was there a new KEY added that we missed? */ if (unlikely(e < 0)) { xe_gt_sriov_notice(gt, "unknown threshold key %#x reported for %s\n", threshold, origin); return -ENOTCONN; } xe_gt_sriov_dbg(gt, "%s exceeded threshold %u %s\n", origin, xe_gt_sriov_pf_config_get_threshold(gt, vfid, e), xe_guc_klv_key_to_string(threshold)); pf_update_event_counter(gt, vfid, e); return 0; } /** * xe_gt_sriov_pf_monitor_process_guc2pf - Handle adverse event notification from the GuC. * @gt: the &xe_gt * @msg: G2H event message * @len: length of the message * * This function is intended for PF only. * * Return: 0 on success or a negative error code on failure. */ int xe_gt_sriov_pf_monitor_process_guc2pf(struct xe_gt *gt, const u32 *msg, u32 len) { struct xe_device *xe = gt_to_xe(gt); u32 vfid; u32 threshold; xe_gt_assert(gt, len >= GUC_HXG_MSG_MIN_LEN); xe_gt_assert(gt, FIELD_GET(GUC_HXG_MSG_0_ORIGIN, msg[0]) == GUC_HXG_ORIGIN_GUC); xe_gt_assert(gt, FIELD_GET(GUC_HXG_MSG_0_TYPE, msg[0]) == GUC_HXG_TYPE_EVENT); xe_gt_assert(gt, FIELD_GET(GUC_HXG_EVENT_MSG_0_ACTION, msg[0]) == GUC_ACTION_GUC2PF_ADVERSE_EVENT); if (unlikely(!IS_SRIOV_PF(xe))) return -EPROTO; if (unlikely(FIELD_GET(GUC2PF_ADVERSE_EVENT_EVENT_MSG_0_MBZ, msg[0]))) return -EPFNOSUPPORT; if (unlikely(len < GUC2PF_ADVERSE_EVENT_EVENT_MSG_LEN)) return -EPROTO; vfid = FIELD_GET(GUC2PF_ADVERSE_EVENT_EVENT_MSG_1_VFID, msg[1]); threshold = FIELD_GET(GUC2PF_ADVERSE_EVENT_EVENT_MSG_2_THRESHOLD, msg[2]); if (unlikely(vfid > xe_gt_sriov_pf_get_totalvfs(gt))) return -EINVAL; return pf_handle_vf_threshold_event(gt, vfid, threshold); } /** * xe_gt_sriov_pf_monitor_print_events - Print adverse events counters. * @gt: the &xe_gt to print events from * @p: the &drm_printer * * Print adverse events counters for all VFs. * VFs with no events are not printed. * * This function can only be called on PF. */ void xe_gt_sriov_pf_monitor_print_events(struct xe_gt *gt, struct drm_printer *p) { unsigned int n, total_vfs = xe_gt_sriov_pf_get_totalvfs(gt); const struct xe_gt_sriov_monitor *data; int e; xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt))); for (n = 1; n <= total_vfs; n++) { data = >->sriov.pf.vfs[n].monitor; for (e = 0; e < XE_GUC_KLV_NUM_THRESHOLDS; e++) if (data->guc.events[e]) break; /* skip empty unless in debug mode */ if (e >= XE_GUC_KLV_NUM_THRESHOLDS && !IS_ENABLED(CONFIG_DRM_XE_DEBUG_SRIOV)) continue; #define __format(...) "%s:%u " #define __value(TAG, NAME, ...) , #NAME, data->guc.events[MAKE_XE_GUC_KLV_THRESHOLD_INDEX(TAG)] drm_printf(p, "VF%u:\t" MAKE_XE_GUC_KLV_THRESHOLDS_SET(__format) "\n", n MAKE_XE_GUC_KLV_THRESHOLDS_SET(__value)); #undef __format #undef __value } }
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