diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_devcoredump.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_devcoredump.c | 55 |
1 files changed, 47 insertions, 8 deletions
diff --git a/drivers/gpu/drm/xe/xe_devcoredump.c b/drivers/gpu/drm/xe/xe_devcoredump.c index 68abc0b195be..68d3d623a05b 100644 --- a/drivers/gpu/drm/xe/xe_devcoredump.c +++ b/drivers/gpu/drm/xe/xe_devcoredump.c @@ -16,6 +16,8 @@ #include "xe_guc_ct.h" #include "xe_guc_submit.h" #include "xe_hw_engine.h" +#include "xe_sched_job.h" +#include "xe_vm.h" /** * DOC: Xe device coredump @@ -58,11 +60,22 @@ static struct xe_guc *exec_queue_to_guc(struct xe_exec_queue *q) return &q->gt->uc.guc; } +static void xe_devcoredump_deferred_snap_work(struct work_struct *work) +{ + struct xe_devcoredump_snapshot *ss = container_of(work, typeof(*ss), work); + + xe_force_wake_get(gt_to_fw(ss->gt), XE_FORCEWAKE_ALL); + if (ss->vm) + xe_vm_snapshot_capture_delayed(ss->vm); + xe_force_wake_put(gt_to_fw(ss->gt), XE_FORCEWAKE_ALL); +} + static ssize_t xe_devcoredump_read(char *buffer, loff_t offset, size_t count, void *data, size_t datalen) { struct xe_devcoredump *coredump = data; - struct xe_devcoredump_snapshot *ss; + struct xe_device *xe = coredump_to_xe(coredump); + struct xe_devcoredump_snapshot *ss = &coredump->snapshot; struct drm_printer p; struct drm_print_iterator iter; struct timespec64 ts; @@ -72,12 +85,14 @@ static ssize_t xe_devcoredump_read(char *buffer, loff_t offset, if (!data || !coredump_to_xe(coredump)) return -ENODEV; + /* Ensure delayed work is captured before continuing */ + flush_work(&ss->work); + iter.data = buffer; iter.offset = 0; iter.start = offset; iter.remain = count; - ss = &coredump->snapshot; p = drm_coredump_printer(&iter); drm_printf(&p, "**** Xe Device Coredump ****\n"); @@ -88,16 +103,24 @@ static ssize_t xe_devcoredump_read(char *buffer, loff_t offset, drm_printf(&p, "Snapshot time: %lld.%09ld\n", ts.tv_sec, ts.tv_nsec); ts = ktime_to_timespec64(ss->boot_time); drm_printf(&p, "Uptime: %lld.%09ld\n", ts.tv_sec, ts.tv_nsec); + xe_device_snapshot_print(xe, &p); drm_printf(&p, "\n**** GuC CT ****\n"); xe_guc_ct_snapshot_print(coredump->snapshot.ct, &p); xe_guc_exec_queue_snapshot_print(coredump->snapshot.ge, &p); + drm_printf(&p, "\n**** Job ****\n"); + xe_sched_job_snapshot_print(coredump->snapshot.job, &p); + drm_printf(&p, "\n**** HW Engines ****\n"); for (i = 0; i < XE_NUM_HW_ENGINES; i++) if (coredump->snapshot.hwe[i]) xe_hw_engine_snapshot_print(coredump->snapshot.hwe[i], &p); + if (coredump->snapshot.vm) { + drm_printf(&p, "\n**** VM state ****\n"); + xe_vm_snapshot_print(coredump->snapshot.vm, &p); + } return count - iter.remain; } @@ -111,21 +134,28 @@ static void xe_devcoredump_free(void *data) if (!data || !coredump_to_xe(coredump)) return; + cancel_work_sync(&coredump->snapshot.work); + xe_guc_ct_snapshot_free(coredump->snapshot.ct); xe_guc_exec_queue_snapshot_free(coredump->snapshot.ge); + xe_sched_job_snapshot_free(coredump->snapshot.job); for (i = 0; i < XE_NUM_HW_ENGINES; i++) if (coredump->snapshot.hwe[i]) xe_hw_engine_snapshot_free(coredump->snapshot.hwe[i]); + xe_vm_snapshot_free(coredump->snapshot.vm); + /* To prevent stale data on next snapshot, clear everything */ + memset(&coredump->snapshot, 0, sizeof(coredump->snapshot)); coredump->captured = false; drm_info(&coredump_to_xe(coredump)->drm, "Xe device coredump has been deleted.\n"); } static void devcoredump_snapshot(struct xe_devcoredump *coredump, - struct xe_exec_queue *q) + struct xe_sched_job *job) { struct xe_devcoredump_snapshot *ss = &coredump->snapshot; + struct xe_exec_queue *q = job->q; struct xe_guc *guc = exec_queue_to_guc(q); struct xe_hw_engine *hwe; enum xe_hw_engine_id id; @@ -137,6 +167,9 @@ static void devcoredump_snapshot(struct xe_devcoredump *coredump, ss->snapshot_time = ktime_get_real(); ss->boot_time = ktime_get_boottime(); + ss->gt = q->gt; + INIT_WORK(&ss->work, xe_devcoredump_deferred_snap_work); + cookie = dma_fence_begin_signalling(); for (i = 0; q->width > 1 && i < XE_HW_ENGINE_MAX_INSTANCE;) { if (adj_logical_mask & BIT(i)) { @@ -150,7 +183,9 @@ static void devcoredump_snapshot(struct xe_devcoredump *coredump, xe_force_wake_get(gt_to_fw(q->gt), XE_FORCEWAKE_ALL); coredump->snapshot.ct = xe_guc_ct_snapshot_capture(&guc->ct, true); - coredump->snapshot.ge = xe_guc_exec_queue_snapshot_capture(q); + coredump->snapshot.ge = xe_guc_exec_queue_snapshot_capture(job); + coredump->snapshot.job = xe_sched_job_snapshot_capture(job); + coredump->snapshot.vm = xe_vm_snapshot_capture(q->vm); for_each_hw_engine(hwe, q->gt, id) { if (hwe->class != q->hwe->class || @@ -161,21 +196,24 @@ static void devcoredump_snapshot(struct xe_devcoredump *coredump, coredump->snapshot.hwe[id] = xe_hw_engine_snapshot_capture(hwe); } + if (ss->vm) + queue_work(system_unbound_wq, &ss->work); + xe_force_wake_put(gt_to_fw(q->gt), XE_FORCEWAKE_ALL); dma_fence_end_signalling(cookie); } /** * xe_devcoredump - Take the required snapshots and initialize coredump device. - * @q: The faulty xe_exec_queue, where the issue was detected. + * @job: The faulty xe_sched_job, where the issue was detected. * * This function should be called at the crash time within the serialized * gt_reset. It is skipped if we still have the core dump device available * with the information of the 'first' snapshot. */ -void xe_devcoredump(struct xe_exec_queue *q) +void xe_devcoredump(struct xe_sched_job *job) { - struct xe_device *xe = gt_to_xe(q->gt); + struct xe_device *xe = gt_to_xe(job->q->gt); struct xe_devcoredump *coredump = &xe->devcoredump; if (coredump->captured) { @@ -184,7 +222,7 @@ void xe_devcoredump(struct xe_exec_queue *q) } coredump->captured = true; - devcoredump_snapshot(coredump, q); + devcoredump_snapshot(coredump, job); drm_info(&xe->drm, "Xe device coredump has been created\n"); drm_info(&xe->drm, "Check your /sys/class/drm/card%d/device/devcoredump/data\n", @@ -194,3 +232,4 @@ void xe_devcoredump(struct xe_exec_queue *q) xe_devcoredump_read, xe_devcoredump_free); } #endif + |