drm/i915: Introduce new macros for tracing

New macros ENGINE_TRACE(), CE_TRACE(), RQ_TRACE() and
GT_TRACE() are introduce to tag device name and engine
name with contexts and requests tracing in i915.

Cc: Sudeep Dutt <sudeep.dutt@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Venkata Sandeep Dhanalakota <venkata.s.dhanalakota@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191213155152.69182-2-venkata.s.dhanalakota@intel.com
This commit is contained in:
Venkata Sandeep Dhanalakota 2019-12-13 07:51:52 -08:00 committed by Chris Wilson
parent 3dc716fd3c
commit 639f2f2489
14 changed files with 112 additions and 111 deletions

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@ -13,7 +13,7 @@
void i915_gem_suspend(struct drm_i915_private *i915)
{
GEM_TRACE("\n");
GEM_TRACE("%s\n", dev_name(i915->drm.dev));
intel_wakeref_auto(&i915->ggtt.userfault_wakeref, 0);
flush_workqueue(i915->wq);
@ -99,7 +99,7 @@ void i915_gem_suspend_late(struct drm_i915_private *i915)
void i915_gem_resume(struct drm_i915_private *i915)
{
GEM_TRACE("\n");
GEM_TRACE("%s\n", dev_name(i915->drm.dev));
intel_uncore_forcewake_get(&i915->uncore, FORCEWAKE_ALL);

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@ -68,9 +68,8 @@ int __intel_context_do_pin(struct intel_context *ce)
if (err)
goto err;
GEM_TRACE("%s context:%llx pin ring:{head:%04x, tail:%04x}\n",
ce->engine->name, ce->timeline->fence_context,
ce->ring->head, ce->ring->tail);
CE_TRACE(ce, "pin ring:{head:%04x, tail:%04x}\n",
ce->ring->head, ce->ring->tail);
i915_gem_context_get(ce->gem_context); /* for ctx->ppgtt */
@ -98,8 +97,7 @@ void intel_context_unpin(struct intel_context *ce)
mutex_lock_nested(&ce->pin_mutex, SINGLE_DEPTH_NESTING);
if (likely(atomic_dec_and_test(&ce->pin_count))) {
GEM_TRACE("%s context:%llx retire\n",
ce->engine->name, ce->timeline->fence_context);
CE_TRACE(ce, "retire\n");
ce->ops->unpin(ce);
@ -141,8 +139,7 @@ static void __intel_context_retire(struct i915_active *active)
{
struct intel_context *ce = container_of(active, typeof(*ce), active);
GEM_TRACE("%s context:%llx retire\n",
ce->engine->name, ce->timeline->fence_context);
CE_TRACE(ce, "retire\n");
set_bit(CONTEXT_VALID_BIT, &ce->flags);
if (ce->state)

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@ -15,6 +15,13 @@
#include "intel_ring_types.h"
#include "intel_timeline_types.h"
#define CE_TRACE(ce, fmt, ...) do { \
const struct intel_context *ce__ = (ce); \
ENGINE_TRACE(ce__->engine, "context:%llx" fmt, \
ce__->timeline->fence_context, \
##__VA_ARGS__); \
} while (0)
void intel_context_init(struct intel_context *ce,
struct i915_gem_context *ctx,
struct intel_engine_cs *engine);

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@ -29,6 +29,13 @@ struct intel_gt;
#define CACHELINE_BYTES 64
#define CACHELINE_DWORDS (CACHELINE_BYTES / sizeof(u32))
#define ENGINE_TRACE(e, fmt, ...) do { \
const struct intel_engine_cs *e__ __maybe_unused = (e); \
GEM_TRACE("%s %s: " fmt, \
dev_name(e__->i915->drm.dev), e__->name, \
##__VA_ARGS__); \
} while (0)
/*
* The register defines to be used with the following macros need to accept a
* base param, e.g:

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@ -912,7 +912,7 @@ int intel_engine_stop_cs(struct intel_engine_cs *engine)
if (INTEL_GEN(engine->i915) < 3)
return -ENODEV;
GEM_TRACE("%s\n", engine->name);
ENGINE_TRACE(engine, "\n");
intel_uncore_write_fw(uncore, mode, _MASKED_BIT_ENABLE(STOP_RING));
@ -921,7 +921,7 @@ int intel_engine_stop_cs(struct intel_engine_cs *engine)
mode, MODE_IDLE, MODE_IDLE,
1000, stop_timeout(engine),
NULL)) {
GEM_TRACE("%s: timed out on STOP_RING -> IDLE\n", engine->name);
ENGINE_TRACE(engine, "timed out on STOP_RING -> IDLE\n");
err = -ETIMEDOUT;
}
@ -933,7 +933,7 @@ int intel_engine_stop_cs(struct intel_engine_cs *engine)
void intel_engine_cancel_stop_cs(struct intel_engine_cs *engine)
{
GEM_TRACE("%s\n", engine->name);
ENGINE_TRACE(engine, "\n");
ENGINE_WRITE_FW(engine, RING_MI_MODE, _MASKED_BIT_DISABLE(STOP_RING));
}

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@ -21,7 +21,7 @@ static int __engine_unpark(struct intel_wakeref *wf)
container_of(wf, typeof(*engine), wakeref);
void *map;
GEM_TRACE("%s\n", engine->name);
ENGINE_TRACE(engine, "\n");
intel_gt_pm_get(engine->gt);
@ -80,7 +80,7 @@ __queue_and_release_pm(struct i915_request *rq,
{
struct intel_gt_timelines *timelines = &engine->gt->timelines;
GEM_TRACE("%s\n", engine->name);
ENGINE_TRACE(engine, "\n");
/*
* We have to serialise all potential retirement paths with our
@ -204,7 +204,7 @@ static int __engine_park(struct intel_wakeref *wf)
if (!switch_to_kernel_context(engine))
return -EBUSY;
GEM_TRACE("%s\n", engine->name);
ENGINE_TRACE(engine, "\n");
call_idle_barriers(engine); /* cleanup after wedging */

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@ -12,6 +12,12 @@
struct drm_i915_private;
#define GT_TRACE(gt__, fmt, ...) do { \
typecheck(struct intel_gt, *(gt__)); \
GEM_TRACE("%s " fmt, dev_name(gt->i915->drm.dev), \
##__VA_ARGS__); \
} while (0)
static inline struct intel_gt *uc_to_gt(struct intel_uc *uc)
{
return container_of(uc, struct intel_gt, uc);

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@ -43,7 +43,7 @@ static int __gt_unpark(struct intel_wakeref *wf)
struct intel_gt *gt = container_of(wf, typeof(*gt), wakeref);
struct drm_i915_private *i915 = gt->i915;
GEM_TRACE("\n");
GT_TRACE(gt, "\n");
i915_globals_unpark();
@ -76,7 +76,7 @@ static int __gt_park(struct intel_wakeref *wf)
intel_wakeref_t wakeref = fetch_and_zero(&gt->awake);
struct drm_i915_private *i915 = gt->i915;
GEM_TRACE("\n");
GT_TRACE(gt, "\n");
intel_gt_park_requests(gt);
@ -141,7 +141,7 @@ void intel_gt_sanitize(struct intel_gt *gt, bool force)
enum intel_engine_id id;
intel_wakeref_t wakeref;
GEM_TRACE("force:%s\n", yesno(force));
GT_TRACE(gt, "force:%s", yesno(force));
/* Use a raw wakeref to avoid calling intel_display_power_get early */
wakeref = intel_runtime_pm_get(gt->uncore->rpm);
@ -188,7 +188,7 @@ int intel_gt_resume(struct intel_gt *gt)
enum intel_engine_id id;
int err = 0;
GEM_TRACE("\n");
GT_TRACE(gt, "\n");
/*
* After resume, we may need to poke into the pinned kernel
@ -301,20 +301,19 @@ void intel_gt_suspend_late(struct intel_gt *gt)
intel_gt_sanitize(gt, false);
GEM_TRACE("\n");
GT_TRACE(gt, "\n");
}
void intel_gt_runtime_suspend(struct intel_gt *gt)
{
intel_uc_runtime_suspend(&gt->uc);
GEM_TRACE("\n");
GT_TRACE(gt, "\n");
}
int intel_gt_runtime_resume(struct intel_gt *gt)
{
GEM_TRACE("\n");
GT_TRACE(gt, "\n");
intel_gt_init_swizzling(gt);
return intel_uc_runtime_resume(&gt->uc);

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@ -1069,8 +1069,8 @@ static void reset_active(struct i915_request *rq,
* remain correctly ordered. And we defer to __i915_request_submit()
* so that all asynchronous waits are correctly handled.
*/
GEM_TRACE("%s(%s): { rq=%llx:%lld }\n",
__func__, engine->name, rq->fence.context, rq->fence.seqno);
ENGINE_TRACE(engine, "{ rq=%llx:%lld }\n",
rq->fence.context, rq->fence.seqno);
/* On resubmission of the active request, payload will be scrubbed */
if (i915_request_completed(rq))
@ -1274,15 +1274,14 @@ trace_ports(const struct intel_engine_execlists *execlists,
if (!ports[0])
return;
GEM_TRACE("%s: %s { %llx:%lld%s, %llx:%lld }\n",
engine->name, msg,
ports[0]->fence.context,
ports[0]->fence.seqno,
i915_request_completed(ports[0]) ? "!" :
i915_request_started(ports[0]) ? "*" :
"",
ports[1] ? ports[1]->fence.context : 0,
ports[1] ? ports[1]->fence.seqno : 0);
ENGINE_TRACE(engine, "%s { %llx:%lld%s, %llx:%lld }\n", msg,
ports[0]->fence.context,
ports[0]->fence.seqno,
i915_request_completed(ports[0]) ? "!" :
i915_request_started(ports[0]) ? "*" :
"",
ports[1] ? ports[1]->fence.context : 0,
ports[1] ? ports[1]->fence.seqno : 0);
}
static __maybe_unused bool
@ -1700,12 +1699,12 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
last = last_active(execlists);
if (last) {
if (need_preempt(engine, last, rb)) {
GEM_TRACE("%s: preempting last=%llx:%lld, prio=%d, hint=%d\n",
engine->name,
last->fence.context,
last->fence.seqno,
last->sched.attr.priority,
execlists->queue_priority_hint);
ENGINE_TRACE(engine,
"preempting last=%llx:%lld, prio=%d, hint=%d\n",
last->fence.context,
last->fence.seqno,
last->sched.attr.priority,
execlists->queue_priority_hint);
record_preemption(execlists);
/*
@ -1735,12 +1734,12 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
last = NULL;
} else if (need_timeslice(engine, last) &&
timer_expired(&engine->execlists.timer)) {
GEM_TRACE("%s: expired last=%llx:%lld, prio=%d, hint=%d\n",
engine->name,
last->fence.context,
last->fence.seqno,
last->sched.attr.priority,
execlists->queue_priority_hint);
ENGINE_TRACE(engine,
"expired last=%llx:%lld, prio=%d, hint=%d\n",
last->fence.context,
last->fence.seqno,
last->sched.attr.priority,
execlists->queue_priority_hint);
ring_set_paused(engine, 1);
defer_active(engine);
@ -1817,14 +1816,14 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
return; /* leave this for another */
}
GEM_TRACE("%s: virtual rq=%llx:%lld%s, new engine? %s\n",
engine->name,
rq->fence.context,
rq->fence.seqno,
i915_request_completed(rq) ? "!" :
i915_request_started(rq) ? "*" :
"",
yesno(engine != ve->siblings[0]));
ENGINE_TRACE(engine,
"virtual rq=%llx:%lld%s, new engine? %s\n",
rq->fence.context,
rq->fence.seqno,
i915_request_completed(rq) ? "!" :
i915_request_started(rq) ? "*" :
"",
yesno(engine != ve->siblings[0]));
ve->request = NULL;
ve->base.execlists.queue_priority_hint = INT_MIN;
@ -1980,9 +1979,6 @@ done:
* interrupt for secondary ports).
*/
execlists->queue_priority_hint = queue_prio(execlists);
GEM_TRACE("%s: queue_priority_hint:%d, submit:%s\n",
engine->name, execlists->queue_priority_hint,
yesno(submit));
if (submit) {
*port = execlists_schedule_in(last, port - execlists->pending);
@ -2131,7 +2127,7 @@ static void process_csb(struct intel_engine_cs *engine)
*/
head = execlists->csb_head;
tail = READ_ONCE(*execlists->csb_write);
GEM_TRACE("%s cs-irq head=%d, tail=%d\n", engine->name, head, tail);
ENGINE_TRACE(engine, "cs-irq head=%d, tail=%d\n", head, tail);
if (unlikely(head == tail))
return;
@ -2169,9 +2165,8 @@ static void process_csb(struct intel_engine_cs *engine)
* status notifier.
*/
GEM_TRACE("%s csb[%d]: status=0x%08x:0x%08x\n",
engine->name, head,
buf[2 * head + 0], buf[2 * head + 1]);
ENGINE_TRACE(engine, "csb[%d]: status=0x%08x:0x%08x\n",
head, buf[2 * head + 0], buf[2 * head + 1]);
if (INTEL_GEN(engine->i915) >= 12)
promote = gen12_csb_parse(execlists, buf + 2 * head);
@ -2262,10 +2257,9 @@ static noinline void preempt_reset(struct intel_engine_cs *engine)
/* Mark this tasklet as disabled to avoid waiting for it to complete */
tasklet_disable_nosync(&engine->execlists.tasklet);
GEM_TRACE("%s: preempt timeout %lu+%ums\n",
engine->name,
READ_ONCE(engine->props.preempt_timeout_ms),
jiffies_to_msecs(jiffies - engine->execlists.preempt.expires));
ENGINE_TRACE(engine, "preempt timeout %lu+%ums\n",
READ_ONCE(engine->props.preempt_timeout_ms),
jiffies_to_msecs(jiffies - engine->execlists.preempt.expires));
intel_engine_reset(engine, "preemption time out");
tasklet_enable(&engine->execlists.tasklet);
@ -2971,8 +2965,8 @@ static void execlists_reset_prepare(struct intel_engine_cs *engine)
struct intel_engine_execlists * const execlists = &engine->execlists;
unsigned long flags;
GEM_TRACE("%s: depth<-%d\n", engine->name,
atomic_read(&execlists->tasklet.count));
ENGINE_TRACE(engine, "depth<-%d\n",
atomic_read(&execlists->tasklet.count));
/*
* Prevent request submission to the hardware until we have
@ -3134,8 +3128,8 @@ static void __execlists_reset(struct intel_engine_cs *engine, bool stalled)
restore_default_state(ce, engine);
out_replay:
GEM_TRACE("%s replay {head:%04x, tail:%04x}\n",
engine->name, ce->ring->head, ce->ring->tail);
ENGINE_TRACE(engine, "replay {head:%04x, tail:%04x}\n",
ce->ring->head, ce->ring->tail);
intel_ring_update_space(ce->ring);
__execlists_reset_reg_state(ce, engine);
__execlists_update_reg_state(ce, engine);
@ -3151,7 +3145,7 @@ static void execlists_reset(struct intel_engine_cs *engine, bool stalled)
{
unsigned long flags;
GEM_TRACE("%s\n", engine->name);
ENGINE_TRACE(engine, "\n");
spin_lock_irqsave(&engine->active.lock, flags);
@ -3172,7 +3166,7 @@ static void execlists_cancel_requests(struct intel_engine_cs *engine)
struct rb_node *rb;
unsigned long flags;
GEM_TRACE("%s\n", engine->name);
ENGINE_TRACE(engine, "\n");
/*
* Before we call engine->cancel_requests(), we should have exclusive
@ -3259,8 +3253,8 @@ static void execlists_reset_finish(struct intel_engine_cs *engine)
if (__tasklet_enable(&execlists->tasklet))
/* And kick in case we missed a new request submission. */
tasklet_hi_schedule(&execlists->tasklet);
GEM_TRACE("%s: depth->%d\n", engine->name,
atomic_read(&execlists->tasklet.count));
ENGINE_TRACE(engine, "depth->%d\n",
atomic_read(&execlists->tasklet.count));
}
static int gen8_emit_bb_start(struct i915_request *rq,
@ -4309,10 +4303,9 @@ static intel_engine_mask_t virtual_submission_mask(struct virtual_engine *ve)
mask = ve->siblings[0]->mask;
}
GEM_TRACE("%s: rq=%llx:%lld, mask=%x, prio=%d\n",
ve->base.name,
rq->fence.context, rq->fence.seqno,
mask, ve->base.execlists.queue_priority_hint);
ENGINE_TRACE(&ve->base, "rq=%llx:%lld, mask=%x, prio=%d\n",
rq->fence.context, rq->fence.seqno,
mask, ve->base.execlists.queue_priority_hint);
return mask;
}
@ -4403,10 +4396,9 @@ static void virtual_submit_request(struct i915_request *rq)
struct i915_request *old;
unsigned long flags;
GEM_TRACE("%s: rq=%llx:%lld\n",
ve->base.name,
rq->fence.context,
rq->fence.seqno);
ENGINE_TRACE(&ve->base, "rq=%llx:%lld\n",
rq->fence.context,
rq->fence.seqno);
GEM_BUG_ON(ve->base.submit_request != virtual_submit_request);

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@ -1089,7 +1089,7 @@ int intel_engine_reset(struct intel_engine_cs *engine, const char *msg)
bool uses_guc = intel_engine_in_guc_submission_mode(engine);
int ret;
GEM_TRACE("%s flags=%lx\n", engine->name, gt->reset.flags);
ENGINE_TRACE(engine, "flags=%lx\n", gt->reset.flags);
GEM_BUG_ON(!test_bit(I915_RESET_ENGINE + engine->id, &gt->reset.flags));
if (!intel_engine_pm_get_if_awake(engine))

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@ -632,8 +632,8 @@ static int xcs_resume(struct intel_engine_cs *engine)
struct intel_ring *ring = engine->legacy.ring;
int ret = 0;
GEM_TRACE("%s: ring:{HEAD:%04x, TAIL:%04x}\n",
engine->name, ring->head, ring->tail);
ENGINE_TRACE(engine, "ring:{HEAD:%04x, TAIL:%04x}\n",
ring->head, ring->tail);
intel_uncore_forcewake_get(engine->uncore, FORCEWAKE_ALL);
@ -746,10 +746,10 @@ static void reset_prepare(struct intel_engine_cs *engine)
*
* FIXME: Wa for more modern gens needs to be validated
*/
GEM_TRACE("%s\n", engine->name);
ENGINE_TRACE(engine, "\n");
if (intel_engine_stop_cs(engine))
GEM_TRACE("%s: timed out on STOP_RING\n", engine->name);
ENGINE_TRACE(engine, "timed out on STOP_RING\n");
intel_uncore_write_fw(uncore,
RING_HEAD(base),
@ -765,9 +765,8 @@ static void reset_prepare(struct intel_engine_cs *engine)
/* Check acts as a post */
if (intel_uncore_read_fw(uncore, RING_HEAD(base)))
GEM_TRACE("%s: ring head [%x] not parked\n",
engine->name,
intel_uncore_read_fw(uncore, RING_HEAD(base)));
ENGINE_TRACE(engine, "ring head [%x] not parked\n",
intel_uncore_read_fw(uncore, RING_HEAD(base)));
}
static void reset_ring(struct intel_engine_cs *engine, bool stalled)

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@ -375,7 +375,7 @@ static void guc_reset_prepare(struct intel_engine_cs *engine)
{
struct intel_engine_execlists * const execlists = &engine->execlists;
GEM_TRACE("%s\n", engine->name);
ENGINE_TRACE(engine, "\n");
/*
* Prevent request submission to the hardware until we have
@ -434,7 +434,7 @@ static void guc_cancel_requests(struct intel_engine_cs *engine)
struct rb_node *rb;
unsigned long flags;
GEM_TRACE("%s\n", engine->name);
ENGINE_TRACE(engine, "\n");
/*
* Before we call engine->cancel_requests(), we should have exclusive
@ -495,8 +495,8 @@ static void guc_reset_finish(struct intel_engine_cs *engine)
/* And kick in case we missed a new request submission. */
tasklet_hi_schedule(&execlists->tasklet);
GEM_TRACE("%s: depth->%d\n", engine->name,
atomic_read(&execlists->tasklet.count));
ENGINE_TRACE(engine, "depth->%d\n",
atomic_read(&execlists->tasklet.count));
}
/*

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@ -223,10 +223,7 @@ bool i915_request_retire(struct i915_request *rq)
if (!i915_request_completed(rq))
return false;
GEM_TRACE("%s fence %llx:%lld, current %d\n",
rq->engine->name,
rq->fence.context, rq->fence.seqno,
hwsp_seqno(rq));
RQ_TRACE(rq, "\n");
GEM_BUG_ON(!i915_sw_fence_signaled(&rq->submit));
trace_i915_request_retire(rq);
@ -287,10 +284,7 @@ void i915_request_retire_upto(struct i915_request *rq)
struct intel_timeline * const tl = i915_request_timeline(rq);
struct i915_request *tmp;
GEM_TRACE("%s fence %llx:%lld, current %d\n",
rq->engine->name,
rq->fence.context, rq->fence.seqno,
hwsp_seqno(rq));
RQ_TRACE(rq, "\n");
GEM_BUG_ON(!i915_request_completed(rq));
@ -351,10 +345,7 @@ bool __i915_request_submit(struct i915_request *request)
struct intel_engine_cs *engine = request->engine;
bool result = false;
GEM_TRACE("%s fence %llx:%lld, current %d\n",
engine->name,
request->fence.context, request->fence.seqno,
hwsp_seqno(request));
RQ_TRACE(request, "\n");
GEM_BUG_ON(!irqs_disabled());
lockdep_assert_held(&engine->active.lock);
@ -443,10 +434,7 @@ void __i915_request_unsubmit(struct i915_request *request)
{
struct intel_engine_cs *engine = request->engine;
GEM_TRACE("%s fence %llx:%lld, current %d\n",
engine->name,
request->fence.context, request->fence.seqno,
hwsp_seqno(request));
RQ_TRACE(request, "\n");
GEM_BUG_ON(!irqs_disabled());
lockdep_assert_held(&engine->active.lock);
@ -1261,8 +1249,7 @@ struct i915_request *__i915_request_commit(struct i915_request *rq)
struct intel_ring *ring = rq->ring;
u32 *cs;
GEM_TRACE("%s fence %llx:%lld\n",
engine->name, rq->fence.context, rq->fence.seqno);
RQ_TRACE(rq, "\n");
/*
* To ensure that this call will not fail, space for its emissions

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@ -49,6 +49,13 @@ struct i915_capture_list {
struct i915_vma *vma;
};
#define RQ_TRACE(rq, fmt, ...) do { \
const struct i915_request *rq__ = (rq); \
ENGINE_TRACE(rq__->engine, "fence %llx:%lld, current %d" fmt, \
rq__->fence.context, rq__->fence.seqno, \
hwsp_seqno(rq__), ##__VA_ARGS__); \
} while (0)
enum {
/*
* I915_FENCE_FLAG_ACTIVE - this request is currently submitted to HW.