#include "xe_force_wake.h"
#include "xe_gt.h"
#include "xe_gt_printk.h"
+#include "xe_guc_capture.h"
#include "xe_guc_ct.h"
#include "xe_guc_log.h"
#include "xe_guc_submit.h"
xe_guc_ct_snapshot_free(ss->guc.ct);
ss->guc.ct = NULL;
+ xe_guc_capture_put_matched_nodes(&ss->gt->uc.guc);
+ ss->matched_node = NULL;
+
xe_guc_exec_queue_snapshot_free(ss->ge);
ss->ge = NULL;
/* To prevent stale data on next snapshot, clear everything */
memset(&coredump->snapshot, 0, sizeof(coredump->snapshot));
coredump->captured = false;
+ coredump->job = NULL;
drm_info(&coredump_to_xe(coredump)->drm,
"Xe device coredump has been deleted.\n");
}
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;
u32 adj_logical_mask = q->logical_mask;
u32 width_mask = (0x1 << q->width) - 1;
const char *process_name = "no process";
strscpy(ss->process_name, process_name);
ss->gt = q->gt;
+ coredump->job = job;
INIT_WORK(&ss->work, xe_devcoredump_deferred_snap_work);
cookie = dma_fence_begin_signalling();
ss->job = xe_sched_job_snapshot_capture(job);
ss->vm = xe_vm_snapshot_capture(q->vm);
- for_each_hw_engine(hwe, q->gt, id) {
- if (hwe->class != q->hwe->class ||
- !(BIT(hwe->logical_instance) & adj_logical_mask)) {
- ss->hwe[id] = NULL;
- continue;
- }
- ss->hwe[id] = xe_hw_engine_snapshot_capture(hwe);
- }
+ xe_engine_snapshot_capture_for_job(job);
queue_work(system_unbound_wq, &ss->work);
struct xe_hw_engine_snapshot *hwe[XE_NUM_HW_ENGINES];
/** @job: Snapshot of job state */
struct xe_sched_job_snapshot *job;
+ /**
+ * @matched_node: The matched capture node for timedout job
+ * this single-node tracker works because devcoredump will always only
+ * produce one hw-engine capture per devcoredump event
+ */
+ struct __guc_capture_parsed_output *matched_node;
/** @vm: Snapshot of VM state */
struct xe_vm_snapshot *vm;
bool captured;
/** @snapshot: Snapshot is captured at time of the first crash */
struct xe_devcoredump_snapshot snapshot;
+ /** @job: Point to the faulting job */
+ struct xe_sched_job *job;
};
#endif
*instance = dss % gt->steering_dss_per_grp;
}
+/**
+ * xe_gt_mcr_steering_info_to_dss_id - Get DSS ID from group/instance steering
+ * @gt: GT structure
+ * @group: steering group ID
+ * @instance: steering instance ID
+ *
+ * Return: the coverted DSS id.
+ */
+u32 xe_gt_mcr_steering_info_to_dss_id(struct xe_gt *gt, u16 group, u16 instance)
+{
+ return group * dss_per_group(gt) + instance;
+}
+
static void init_steering_dss(struct xe_gt *gt)
{
gt->steering_dss_per_grp = dss_per_group(gt);
void xe_gt_mcr_steering_dump(struct xe_gt *gt, struct drm_printer *p);
void xe_gt_mcr_get_dss_steering(struct xe_gt *gt, unsigned int dss, u16 *group, u16 *instance);
+u32 xe_gt_mcr_steering_info_to_dss_id(struct xe_gt *gt, u16 group, u16 instance);
/*
* Loop over each DSS and determine the group and instance IDs that
#include "xe_guc_capture.h"
#include "xe_guc_capture_types.h"
#include "xe_guc_ct.h"
+#include "xe_guc_exec_queue_types.h"
#include "xe_guc_log.h"
+#include "xe_guc_submit_types.h"
#include "xe_guc_submit.h"
#include "xe_hw_engine_types.h"
+#include "xe_hw_engine.h"
+#include "xe_lrc.h"
#include "xe_macros.h"
#include "xe_map.h"
+#include "xe_mmio.h"
+#include "xe_sched_job.h"
/*
* struct __guc_capture_bufstate
u32 eng_inst;
u32 guc_id;
u32 lrca;
+ u32 type;
+ bool locked;
+ enum xe_hw_engine_snapshot_source_id source;
struct gcap_reg_list_info {
u32 vfid;
u32 num_regs;
struct list_head outlist;
};
+static void
+guc_capture_remove_stale_matches_from_list(struct xe_guc_state_capture *gc,
+ struct __guc_capture_parsed_output *node);
+
static const struct __guc_mmio_reg_descr_group *
guc_capture_get_device_reglist(struct xe_device *xe)
{
return NULL;
}
+const struct __guc_mmio_reg_descr_group *
+xe_guc_capture_get_reg_desc_list(struct xe_gt *gt, u32 owner, u32 type,
+ enum guc_capture_list_class_type capture_class, bool is_ext)
+{
+ const struct __guc_mmio_reg_descr_group *reglists;
+
+ if (is_ext) {
+ struct xe_guc *guc = >->uc.guc;
+
+ reglists = guc->capture->extlists;
+ } else {
+ reglists = guc_capture_get_device_reglist(gt_to_xe(gt));
+ }
+ return guc_capture_get_one_list(reglists, owner, type, capture_class);
+}
+
struct __ext_steer_reg {
const char *name;
struct xe_reg_mcr reg;
guc_capture_add_node_to_list(struct __guc_capture_parsed_output *node,
struct list_head *list)
{
- list_add_tail(&node->link, list);
+ list_add(&node->link, list);
}
static void
guc_capture_add_node_to_outlist(struct xe_guc_state_capture *gc,
struct __guc_capture_parsed_output *node)
{
+ guc_capture_remove_stale_matches_from_list(gc, node);
guc_capture_add_node_to_list(node, &gc->outlist);
}
guc_capture_add_node_to_list(node, &gc->cachelist);
}
+static void
+guc_capture_free_outlist_node(struct xe_guc_state_capture *gc,
+ struct __guc_capture_parsed_output *n)
+{
+ if (n) {
+ n->locked = 0;
+ list_del(&n->link);
+ /* put node back to cache list */
+ guc_capture_add_node_to_cachelist(gc, n);
+ }
+}
+
+static void
+guc_capture_remove_stale_matches_from_list(struct xe_guc_state_capture *gc,
+ struct __guc_capture_parsed_output *node)
+{
+ struct __guc_capture_parsed_output *n, *ntmp;
+ int guc_id = node->guc_id;
+
+ list_for_each_entry_safe(n, ntmp, &gc->outlist, link) {
+ if (n != node && !n->locked && n->guc_id == guc_id)
+ guc_capture_free_outlist_node(gc, n);
+ }
+}
+
static void
guc_capture_init_node(struct xe_guc *guc, struct __guc_capture_parsed_output *node)
{
} else {
struct __guc_capture_parsed_output *n, *ntmp;
- /* traverse down and steal back the oldest node already allocated */
- list_for_each_entry_safe(n, ntmp, &guc->capture->outlist, link) {
- found = n;
+ /*
+ * traverse reversed and steal back the oldest node already
+ * allocated
+ */
+ list_for_each_entry_safe_reverse(n, ntmp, &guc->capture->outlist, link) {
+ if (!n->locked)
+ found = n;
}
}
if (found) {
}
node->is_partial = is_partial;
node->reginfo[datatype].vfid = FIELD_GET(GUC_STATE_CAPTURE_HEADER_VFID, hdr.owner);
+ node->source = XE_ENGINE_CAPTURE_SOURCE_GUC;
+ node->type = datatype;
switch (datatype) {
case GUC_STATE_CAPTURE_TYPE_ENGINE_INSTANCE:
__guc_capture_create_prealloc_nodes(guc);
}
+static struct guc_mmio_reg *
+guc_capture_find_reg(struct gcap_reg_list_info *reginfo, u32 addr, u32 flags)
+{
+ int i;
+
+ if (reginfo && reginfo->num_regs > 0) {
+ struct guc_mmio_reg *regs = reginfo->regs;
+
+ if (regs)
+ for (i = 0; i < reginfo->num_regs; i++)
+ if (regs[i].offset == addr && regs[i].flags == flags)
+ return ®s[i];
+ }
+
+ return NULL;
+}
+
+static void
+snapshot_print_by_list_order(struct xe_hw_engine_snapshot *snapshot, struct drm_printer *p,
+ u32 type, const struct __guc_mmio_reg_descr_group *list)
+{
+ struct xe_gt *gt = snapshot->hwe->gt;
+ struct xe_device *xe = gt_to_xe(gt);
+ struct xe_guc *guc = >->uc.guc;
+ struct xe_devcoredump *devcoredump = &xe->devcoredump;
+ struct xe_devcoredump_snapshot *devcore_snapshot = &devcoredump->snapshot;
+ struct gcap_reg_list_info *reginfo = NULL;
+ u32 last_value, i;
+ bool is_ext;
+
+ if (!list || list->num_regs == 0)
+ return;
+ XE_WARN_ON(!devcore_snapshot->matched_node);
+
+ is_ext = list == guc->capture->extlists;
+ reginfo = &devcore_snapshot->matched_node->reginfo[type];
+
+ /*
+ * loop through descriptor first and find the register in the node
+ * this is more scalable for developer maintenance as it will ensure
+ * the printout matched the ordering of the static descriptor
+ * table-of-lists
+ */
+ for (i = 0; i < list->num_regs; i++) {
+ const struct __guc_mmio_reg_descr *reg_desc = &list->list[i];
+ struct guc_mmio_reg *reg;
+ u32 value;
+
+ reg = guc_capture_find_reg(reginfo, reg_desc->reg.addr, reg_desc->flags);
+ if (!reg)
+ continue;
+
+ value = reg->value;
+ if (reg_desc->data_type == REG_64BIT_LOW_DW) {
+ last_value = value;
+ /* Low 32 bit dword saved, continue for high 32 bit */
+ continue;
+ } else if (reg_desc->data_type == REG_64BIT_HI_DW) {
+ u64 value_qw = ((u64)value << 32) | last_value;
+
+ drm_printf(p, "\t%s: 0x%016llx\n", reg_desc->regname, value_qw);
+ continue;
+ }
+
+ if (is_ext) {
+ int dss, group, instance;
+
+ group = FIELD_GET(GUC_REGSET_STEERING_GROUP, reg_desc->flags);
+ instance = FIELD_GET(GUC_REGSET_STEERING_INSTANCE, reg_desc->flags);
+ dss = xe_gt_mcr_steering_info_to_dss_id(gt, group, instance);
+
+ drm_printf(p, "\t%s[%u]: 0x%08x\n", reg_desc->regname, dss, value);
+ } else {
+ drm_printf(p, "\t%s: 0x%08x\n", reg_desc->regname, value);
+ }
+ }
+}
+
+/**
+ * xe_engine_snapshot_print - Print out a given Xe HW Engine snapshot.
+ * @snapshot: Xe HW Engine snapshot object.
+ * @p: drm_printer where it will be printed out.
+ *
+ * This function prints out a given Xe HW Engine snapshot object.
+ */
+void xe_engine_guc_capture_print(struct xe_hw_engine_snapshot *snapshot, struct drm_printer *p)
+{
+ const char *grptype[GUC_STATE_CAPTURE_GROUP_TYPE_MAX] = {
+ "full-capture",
+ "partial-capture"
+ };
+ int type;
+ const struct __guc_mmio_reg_descr_group *list;
+ enum guc_capture_list_class_type capture_class;
+
+ struct xe_gt *gt;
+ struct xe_device *xe;
+ struct xe_devcoredump *devcoredump;
+ struct xe_devcoredump_snapshot *devcore_snapshot;
+
+ if (!snapshot)
+ return;
+
+ gt = snapshot->hwe->gt;
+ xe = gt_to_xe(gt);
+ devcoredump = &xe->devcoredump;
+ devcore_snapshot = &devcoredump->snapshot;
+
+ if (!devcore_snapshot->matched_node)
+ return;
+
+ xe_gt_assert(gt, snapshot->source <= XE_ENGINE_CAPTURE_SOURCE_GUC);
+ xe_gt_assert(gt, snapshot->hwe);
+
+ capture_class = xe_engine_class_to_guc_capture_class(snapshot->hwe->class);
+
+ drm_printf(p, "%s (physical), logical instance=%d\n",
+ snapshot->name ? snapshot->name : "",
+ snapshot->logical_instance);
+ drm_printf(p, "\tCapture_source: %s\n",
+ snapshot->source == XE_ENGINE_CAPTURE_SOURCE_GUC ? "GuC" : "Manual");
+ drm_printf(p, "\tCoverage: %s\n", grptype[devcore_snapshot->matched_node->is_partial]);
+ drm_printf(p, "\tForcewake: domain 0x%x, ref %d\n",
+ snapshot->forcewake.domain, snapshot->forcewake.ref);
+
+ for (type = GUC_STATE_CAPTURE_TYPE_GLOBAL; type < GUC_STATE_CAPTURE_TYPE_MAX; type++) {
+ list = xe_guc_capture_get_reg_desc_list(gt, GUC_CAPTURE_LIST_INDEX_PF, type,
+ capture_class, false);
+ snapshot_print_by_list_order(snapshot, p, type, list);
+ }
+
+ if (capture_class == GUC_CAPTURE_LIST_CLASS_RENDER_COMPUTE) {
+ list = xe_guc_capture_get_reg_desc_list(gt, GUC_CAPTURE_LIST_INDEX_PF,
+ GUC_STATE_CAPTURE_TYPE_ENGINE_CLASS,
+ capture_class, true);
+ snapshot_print_by_list_order(snapshot, p, GUC_STATE_CAPTURE_TYPE_ENGINE_CLASS,
+ list);
+ }
+
+ drm_puts(p, "\n");
+}
+
+/**
+ * xe_guc_capture_get_matching_and_lock - Matching GuC capture for the job.
+ * @job: The job object.
+ *
+ * Search within the capture outlist for the job, could be used for check if
+ * GuC capture is ready for the job.
+ * If found, the locked boolean of the node will be flagged.
+ *
+ * Returns: found guc-capture node ptr else NULL
+ */
+struct __guc_capture_parsed_output *
+xe_guc_capture_get_matching_and_lock(struct xe_sched_job *job)
+{
+ struct xe_hw_engine *hwe;
+ enum xe_hw_engine_id id;
+ struct xe_exec_queue *q;
+ struct xe_device *xe;
+ u16 guc_class = GUC_LAST_ENGINE_CLASS + 1;
+ struct xe_devcoredump_snapshot *ss;
+
+ if (!job)
+ return NULL;
+
+ q = job->q;
+ if (!q || !q->gt)
+ return NULL;
+
+ xe = gt_to_xe(q->gt);
+ if (xe->wedged.mode >= 2 || !xe_device_uc_enabled(xe))
+ return NULL;
+
+ ss = &xe->devcoredump.snapshot;
+ if (ss->matched_node && ss->matched_node->source == XE_ENGINE_CAPTURE_SOURCE_GUC)
+ return ss->matched_node;
+
+ /* Find hwe for the job */
+ for_each_hw_engine(hwe, q->gt, id) {
+ if (hwe != q->hwe)
+ continue;
+ guc_class = xe_engine_class_to_guc_class(hwe->class);
+ break;
+ }
+
+ if (guc_class <= GUC_LAST_ENGINE_CLASS) {
+ struct __guc_capture_parsed_output *n, *ntmp;
+ struct xe_guc *guc = &q->gt->uc.guc;
+ u16 guc_id = q->guc->id;
+ u32 lrca = xe_lrc_ggtt_addr(q->lrc[0]);
+
+ /*
+ * Look for a matching GuC reported error capture node from
+ * the internal output link-list based on engine, guc id and
+ * lrca info.
+ */
+ list_for_each_entry_safe(n, ntmp, &guc->capture->outlist, link) {
+ if (n->eng_class == guc_class && n->eng_inst == hwe->instance &&
+ n->guc_id == guc_id && n->lrca == lrca &&
+ n->source == XE_ENGINE_CAPTURE_SOURCE_GUC) {
+ n->locked = 1;
+ return n;
+ }
+ }
+ }
+ return NULL;
+}
+
+/**
+ * xe_engine_snapshot_capture_for_job - Take snapshot of associated engine
+ * @job: The job object
+ *
+ * Take snapshot of associated HW Engine
+ *
+ * Returns: None.
+ */
+void
+xe_engine_snapshot_capture_for_job(struct xe_sched_job *job)
+{
+ struct xe_exec_queue *q = job->q;
+ struct xe_device *xe = gt_to_xe(q->gt);
+ struct xe_devcoredump *coredump = &xe->devcoredump;
+ struct xe_hw_engine *hwe;
+ enum xe_hw_engine_id id;
+ u32 adj_logical_mask = q->logical_mask;
+
+ for_each_hw_engine(hwe, q->gt, id) {
+ if (hwe->class != q->hwe->class ||
+ !(BIT(hwe->logical_instance) & adj_logical_mask)) {
+ coredump->snapshot.hwe[id] = NULL;
+ continue;
+ }
+
+ if (!coredump->snapshot.hwe[id])
+ coredump->snapshot.hwe[id] = xe_hw_engine_snapshot_capture(hwe, job);
+
+ break;
+ }
+}
+
+/*
+ * xe_guc_capture_put_matched_nodes - Cleanup macthed nodes
+ * @guc: The GuC object
+ *
+ * Free matched node and all nodes with the equal guc_id from
+ * GuC captured outlist
+ */
+void xe_guc_capture_put_matched_nodes(struct xe_guc *guc)
+{
+ struct xe_device *xe = guc_to_xe(guc);
+ struct xe_devcoredump *devcoredump = &xe->devcoredump;
+ struct __guc_capture_parsed_output *n = devcoredump->snapshot.matched_node;
+
+ if (n) {
+ guc_capture_remove_stale_matches_from_list(guc->capture, n);
+ guc_capture_free_outlist_node(guc->capture, n);
+ devcoredump->snapshot.matched_node = NULL;
+ }
+}
+
/*
* xe_guc_capture_steered_list_init - Init steering register list
* @guc: The GuC object
#include "xe_guc_fwif.h"
struct xe_guc;
+struct xe_hw_engine;
+struct xe_hw_engine_snapshot;
+struct xe_sched_job;
static inline enum guc_capture_list_class_type xe_guc_class_to_capture_class(u16 class)
{
enum guc_capture_list_class_type capture_class, size_t *size);
int xe_guc_capture_getnullheader(struct xe_guc *guc, void **outptr, size_t *size);
size_t xe_guc_capture_ads_input_worst_size(struct xe_guc *guc);
+const struct __guc_mmio_reg_descr_group *
+xe_guc_capture_get_reg_desc_list(struct xe_gt *gt, u32 owner, u32 type,
+ enum guc_capture_list_class_type capture_class, bool is_ext);
+struct __guc_capture_parsed_output *xe_guc_capture_get_matching_and_lock(struct xe_sched_job *job);
+void xe_engine_snapshot_capture_for_job(struct xe_sched_job *job);
+void xe_engine_guc_capture_print(struct xe_hw_engine_snapshot *snapshot, struct drm_printer *p);
void xe_guc_capture_steered_list_init(struct xe_guc *guc);
+void xe_guc_capture_put_matched_nodes(struct xe_guc *guc);
int xe_guc_capture_init(struct xe_guc *guc);
#endif
struct xe_gpu_scheduler *sched = &q->guc->sched;
struct xe_guc *guc = exec_queue_to_guc(q);
const char *process_name = "no process";
+ struct xe_device *xe = guc_to_xe(guc);
int err = -ETIME;
pid_t pid = -1;
int i = 0;
if (!skip_timeout_check && !xe_sched_job_started(job))
goto rearm;
+ /*
+ * If devcoredump not captured and GuC capture for the job is not ready
+ * do manual capture first and decide later if we need to use it
+ */
+ if (!exec_queue_killed(q) && !xe->devcoredump.captured &&
+ !xe_guc_capture_get_matching_and_lock(job)) {
+ /* take force wake before engine register manual capture */
+ if (xe_force_wake_get(gt_to_fw(q->gt), XE_FORCEWAKE_ALL))
+ xe_gt_info(q->gt, "failed to get forcewake for coredump capture\n");
+
+ xe_engine_snapshot_capture_for_job(job);
+
+ xe_force_wake_put(gt_to_fw(q->gt), XE_FORCEWAKE_ALL);
+ }
+
/*
* XXX: Sampling timeout doesn't work in wedged mode as we have to
* modify scheduling state to read timestamp. We could read the
xe_gt_info(gt, "Engine reset: engine_class=%s, logical_mask: 0x%x, guc_id=%d",
xe_hw_engine_class_to_str(q->class), q->logical_mask, guc_id);
- /* FIXME: Do error capture, most likely async */
-
trace_xe_exec_queue_reset(q);
/*
* XE_GUC_ACTION_STATE_CAPTURE_NOTIFICATION to host, this function will be
* called 1st to check status before process the data comes with the message.
*
- * Returns: None
+ * Returns: error code. 0 if success
*/
int xe_guc_error_capture_handler(struct xe_guc *guc, u32 *msg, u32 len)
{
#include "xe_gt_printk.h"
#include "xe_gt_mcr.h"
#include "xe_gt_topology.h"
+#include "xe_guc_capture.h"
#include "xe_hw_engine_group.h"
#include "xe_hw_fence.h"
#include "xe_irq.h"
}
}
+static void
+xe_hw_engine_manual_capture(struct xe_hw_engine *hwe, struct xe_hw_engine_snapshot *snapshot)
+{
+ u64 val;
+
+ snapshot->reg.ring_execlist_status =
+ xe_hw_engine_mmio_read32(hwe, RING_EXECLIST_STATUS_LO(0));
+ val = xe_hw_engine_mmio_read32(hwe, RING_EXECLIST_STATUS_HI(0));
+ snapshot->reg.ring_execlist_status |= val << 32;
+
+ snapshot->reg.ring_execlist_sq_contents =
+ xe_hw_engine_mmio_read32(hwe, RING_EXECLIST_SQ_CONTENTS_LO(0));
+ val = xe_hw_engine_mmio_read32(hwe, RING_EXECLIST_SQ_CONTENTS_HI(0));
+ snapshot->reg.ring_execlist_sq_contents |= val << 32;
+
+ snapshot->reg.ring_acthd = xe_hw_engine_mmio_read32(hwe, RING_ACTHD(0));
+ val = xe_hw_engine_mmio_read32(hwe, RING_ACTHD_UDW(0));
+ snapshot->reg.ring_acthd |= val << 32;
+
+ snapshot->reg.ring_bbaddr = xe_hw_engine_mmio_read32(hwe, RING_BBADDR(0));
+ val = xe_hw_engine_mmio_read32(hwe, RING_BBADDR_UDW(0));
+ snapshot->reg.ring_bbaddr |= val << 32;
+
+ snapshot->reg.ring_dma_fadd =
+ xe_hw_engine_mmio_read32(hwe, RING_DMA_FADD(0));
+ val = xe_hw_engine_mmio_read32(hwe, RING_DMA_FADD_UDW(0));
+ snapshot->reg.ring_dma_fadd |= val << 32;
+
+ snapshot->reg.ring_hwstam = xe_hw_engine_mmio_read32(hwe, RING_HWSTAM(0));
+ snapshot->reg.ring_hws_pga = xe_hw_engine_mmio_read32(hwe, RING_HWS_PGA(0));
+ snapshot->reg.ring_start = xe_hw_engine_mmio_read32(hwe, RING_START(0));
+ if (GRAPHICS_VERx100(hwe->gt->tile->xe) >= 2000) {
+ val = xe_hw_engine_mmio_read32(hwe, RING_START_UDW(0));
+ snapshot->reg.ring_start |= val << 32;
+ }
+ if (xe_gt_has_indirect_ring_state(hwe->gt)) {
+ snapshot->reg.indirect_ring_state =
+ xe_hw_engine_mmio_read32(hwe, INDIRECT_RING_STATE(0));
+ }
+
+ snapshot->reg.ring_head =
+ xe_hw_engine_mmio_read32(hwe, RING_HEAD(0)) & HEAD_ADDR;
+ snapshot->reg.ring_tail =
+ xe_hw_engine_mmio_read32(hwe, RING_TAIL(0)) & TAIL_ADDR;
+ snapshot->reg.ring_ctl = xe_hw_engine_mmio_read32(hwe, RING_CTL(0));
+ snapshot->reg.ring_mi_mode =
+ xe_hw_engine_mmio_read32(hwe, RING_MI_MODE(0));
+ snapshot->reg.ring_mode = xe_hw_engine_mmio_read32(hwe, RING_MODE(0));
+ snapshot->reg.ring_imr = xe_hw_engine_mmio_read32(hwe, RING_IMR(0));
+ snapshot->reg.ring_esr = xe_hw_engine_mmio_read32(hwe, RING_ESR(0));
+ snapshot->reg.ring_emr = xe_hw_engine_mmio_read32(hwe, RING_EMR(0));
+ snapshot->reg.ring_eir = xe_hw_engine_mmio_read32(hwe, RING_EIR(0));
+ snapshot->reg.ipehr = xe_hw_engine_mmio_read32(hwe, RING_IPEHR(0));
+ xe_hw_engine_snapshot_instdone_capture(hwe, snapshot);
+
+ if (snapshot->hwe->class == XE_ENGINE_CLASS_COMPUTE)
+ snapshot->reg.rcu_mode = xe_mmio_read32(&hwe->gt->mmio, RCU_MODE);
+}
+
/**
* xe_hw_engine_snapshot_capture - Take a quick snapshot of the HW Engine.
* @hwe: Xe HW Engine.
+ * @job: The job object.
*
* This can be printed out in a later stage like during dev_coredump
* analysis.
* caller, using `xe_hw_engine_snapshot_free`.
*/
struct xe_hw_engine_snapshot *
-xe_hw_engine_snapshot_capture(struct xe_hw_engine *hwe)
+xe_hw_engine_snapshot_capture(struct xe_hw_engine *hwe, struct xe_sched_job *job)
{
struct xe_hw_engine_snapshot *snapshot;
size_t len;
- u64 val;
+ struct __guc_capture_parsed_output *node;
if (!xe_hw_engine_is_valid(hwe))
return NULL;
if (IS_SRIOV_VF(gt_to_xe(hwe->gt)))
return snapshot;
- snapshot->reg.ring_execlist_status =
- xe_hw_engine_mmio_read32(hwe, RING_EXECLIST_STATUS_LO(0));
- val = xe_hw_engine_mmio_read32(hwe, RING_EXECLIST_STATUS_HI(0));
- snapshot->reg.ring_execlist_status |= val << 32;
-
- snapshot->reg.ring_execlist_sq_contents =
- xe_hw_engine_mmio_read32(hwe, RING_EXECLIST_SQ_CONTENTS_LO(0));
- val = xe_hw_engine_mmio_read32(hwe, RING_EXECLIST_SQ_CONTENTS_HI(0));
- snapshot->reg.ring_execlist_sq_contents |= val << 32;
-
- snapshot->reg.ring_acthd = xe_hw_engine_mmio_read32(hwe, RING_ACTHD(0));
- val = xe_hw_engine_mmio_read32(hwe, RING_ACTHD_UDW(0));
- snapshot->reg.ring_acthd |= val << 32;
-
- snapshot->reg.ring_bbaddr = xe_hw_engine_mmio_read32(hwe, RING_BBADDR(0));
- val = xe_hw_engine_mmio_read32(hwe, RING_BBADDR_UDW(0));
- snapshot->reg.ring_bbaddr |= val << 32;
-
- snapshot->reg.ring_dma_fadd =
- xe_hw_engine_mmio_read32(hwe, RING_DMA_FADD(0));
- val = xe_hw_engine_mmio_read32(hwe, RING_DMA_FADD_UDW(0));
- snapshot->reg.ring_dma_fadd |= val << 32;
-
- snapshot->reg.ring_hwstam = xe_hw_engine_mmio_read32(hwe, RING_HWSTAM(0));
- snapshot->reg.ring_hws_pga = xe_hw_engine_mmio_read32(hwe, RING_HWS_PGA(0));
- snapshot->reg.ring_start = xe_hw_engine_mmio_read32(hwe, RING_START(0));
- if (GRAPHICS_VERx100(hwe->gt->tile->xe) >= 2000) {
- val = xe_hw_engine_mmio_read32(hwe, RING_START_UDW(0));
- snapshot->reg.ring_start |= val << 32;
- }
- if (xe_gt_has_indirect_ring_state(hwe->gt)) {
- snapshot->reg.indirect_ring_state =
- xe_hw_engine_mmio_read32(hwe, INDIRECT_RING_STATE(0));
+ if (job) {
+ /* If got guc capture, set source to GuC */
+ node = xe_guc_capture_get_matching_and_lock(job);
+ if (node) {
+ struct xe_device *xe = gt_to_xe(hwe->gt);
+ struct xe_devcoredump *coredump = &xe->devcoredump;
+
+ coredump->snapshot.matched_node = node;
+ snapshot->source = XE_ENGINE_CAPTURE_SOURCE_GUC;
+ xe_gt_dbg(hwe->gt, "Found and locked GuC-err-capture node");
+ return snapshot;
+ }
}
- snapshot->reg.ring_head =
- xe_hw_engine_mmio_read32(hwe, RING_HEAD(0)) & HEAD_ADDR;
- snapshot->reg.ring_tail =
- xe_hw_engine_mmio_read32(hwe, RING_TAIL(0)) & TAIL_ADDR;
- snapshot->reg.ring_ctl = xe_hw_engine_mmio_read32(hwe, RING_CTL(0));
- snapshot->reg.ring_mi_mode =
- xe_hw_engine_mmio_read32(hwe, RING_MI_MODE(0));
- snapshot->reg.ring_mode = xe_hw_engine_mmio_read32(hwe, RING_MODE(0));
- snapshot->reg.ring_imr = xe_hw_engine_mmio_read32(hwe, RING_IMR(0));
- snapshot->reg.ring_esr = xe_hw_engine_mmio_read32(hwe, RING_ESR(0));
- snapshot->reg.ring_emr = xe_hw_engine_mmio_read32(hwe, RING_EMR(0));
- snapshot->reg.ring_eir = xe_hw_engine_mmio_read32(hwe, RING_EIR(0));
- snapshot->reg.ipehr = xe_hw_engine_mmio_read32(hwe, RING_IPEHR(0));
- xe_hw_engine_snapshot_instdone_capture(hwe, snapshot);
-
- if (snapshot->hwe->class == XE_ENGINE_CLASS_COMPUTE)
- snapshot->reg.rcu_mode = xe_mmio_read32(&hwe->gt->mmio, RCU_MODE);
+ /* otherwise, do manual capture */
+ xe_hw_engine_manual_capture(hwe, snapshot);
+ snapshot->source = XE_ENGINE_CAPTURE_SOURCE_MANUAL;
+ xe_gt_dbg(hwe->gt, "Proceeding with manual engine snapshot");
return snapshot;
}
}
}
-/**
- * xe_hw_engine_snapshot_print - Print out a given Xe HW Engine snapshot.
- * @snapshot: Xe HW Engine snapshot object.
- * @p: drm_printer where it will be printed out.
- *
- * This function prints out a given Xe HW Engine snapshot object.
- */
-void xe_hw_engine_snapshot_print(struct xe_hw_engine_snapshot *snapshot,
- struct drm_printer *p)
+static void __xe_hw_engine_manual_print(struct xe_hw_engine_snapshot *snapshot,
+ struct drm_printer *p)
{
- if (!snapshot)
- return;
-
drm_printf(p, "%s (physical), logical instance=%d\n",
snapshot->name ? snapshot->name : "",
snapshot->logical_instance);
snapshot->reg.rcu_mode);
}
+/**
+ * xe_hw_engine_snapshot_print - Print out a given Xe HW Engine snapshot.
+ * @snapshot: Xe HW Engine snapshot object.
+ * @p: drm_printer where it will be printed out.
+ *
+ * This function prints out a given Xe HW Engine snapshot object.
+ */
+void xe_hw_engine_snapshot_print(struct xe_hw_engine_snapshot *snapshot,
+ struct drm_printer *p)
+{
+ if (!snapshot)
+ return;
+
+ if (snapshot->source == XE_ENGINE_CAPTURE_SOURCE_MANUAL)
+ __xe_hw_engine_manual_print(snapshot, p);
+ else
+ xe_engine_guc_capture_print(snapshot, p);
+}
/**
* xe_hw_engine_snapshot_free - Free all allocated objects for a given snapshot.
* @snapshot: Xe HW Engine snapshot object.
{
struct xe_hw_engine_snapshot *snapshot;
- snapshot = xe_hw_engine_snapshot_capture(hwe);
+ snapshot = xe_hw_engine_snapshot_capture(hwe, NULL);
xe_hw_engine_snapshot_print(snapshot, p);
xe_hw_engine_snapshot_free(snapshot);
}
struct drm_printer;
struct drm_xe_engine_class_instance;
struct xe_device;
+struct xe_sched_job;
#ifdef CONFIG_DRM_XE_JOB_TIMEOUT_MIN
#define XE_HW_ENGINE_JOB_TIMEOUT_MIN CONFIG_DRM_XE_JOB_TIMEOUT_MIN
void xe_hw_engine_enable_ring(struct xe_hw_engine *hwe);
u32 xe_hw_engine_mask_per_class(struct xe_gt *gt,
enum xe_engine_class engine_class);
-
struct xe_hw_engine_snapshot *
-xe_hw_engine_snapshot_capture(struct xe_hw_engine *hwe);
+xe_hw_engine_snapshot_capture(struct xe_hw_engine *hwe, struct xe_sched_job *job);
void xe_hw_engine_snapshot_free(struct xe_hw_engine_snapshot *snapshot);
void xe_hw_engine_snapshot_print(struct xe_hw_engine_snapshot *snapshot,
struct drm_printer *p);
struct xe_hw_engine_group *hw_engine_group;
};
+enum xe_hw_engine_snapshot_source_id {
+ XE_ENGINE_CAPTURE_SOURCE_MANUAL,
+ XE_ENGINE_CAPTURE_SOURCE_GUC
+};
+
/**
* struct xe_hw_engine_snapshot - Hardware engine snapshot
*
struct xe_hw_engine_snapshot {
/** @name: name of the hw engine */
char *name;
+ /** @source: Data source, either manual or GuC */
+ enum xe_hw_engine_snapshot_source_id source;
/** @hwe: hw engine */
struct xe_hw_engine *hwe;
/** @logical_instance: logical instance of this hw engine */
#define LRC_INDIRECT_RING_STATE_SIZE SZ_4K
-struct xe_lrc_snapshot {
- struct xe_bo *lrc_bo;
- void *lrc_snapshot;
- unsigned long lrc_size, lrc_offset;
-
- u32 context_desc;
- u32 indirect_context_desc;
- u32 head;
- struct {
- u32 internal;
- u32 memory;
- } tail;
- u32 start_seqno;
- u32 seqno;
- u32 ctx_timestamp;
- u32 ctx_job_timestamp;
-};
-
static struct xe_device *
lrc_to_xe(struct xe_lrc *lrc)
{
struct xe_gt;
struct xe_hw_engine;
struct xe_lrc;
-struct xe_lrc_snapshot;
struct xe_vm;
+struct xe_lrc_snapshot {
+ struct xe_bo *lrc_bo;
+ void *lrc_snapshot;
+ unsigned long lrc_size, lrc_offset;
+
+ u32 context_desc;
+ u32 indirect_context_desc;
+ u32 head;
+ struct {
+ u32 internal;
+ u32 memory;
+ } tail;
+ u32 start_seqno;
+ u32 seqno;
+ u32 ctx_timestamp;
+ u32 ctx_job_timestamp;
+};
+
#define LRC_PPHWSP_SCRATCH_ADDR (0x34 * 4)
struct xe_lrc *xe_lrc_create(struct xe_hw_engine *hwe, struct xe_vm *vm,