intel_engine_signal_breadcrumbs identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/gpu/drm/i915/gt/intel_breadcrumbs.h, line 37 (as a function)

Referenced in 5 files:

Smatch caller information:

drivers/gpu/drm/i915/gt/intel_engine_cs.c advance() -> intel_engine_signal_breadcrumbs()

Type	Parameter	Key	Value
PARAM_VALUE	0	engine->gt->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
BUF_SIZE	0	engine	(-1),6504
BUF_SIZE	0	engine	(-1),6504
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&engine->hw_lock
HALF_LOCKED2		&mock->hw_lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
HALF_LOCKED2		rcu_read
TYPE_LOCK		(struct mock_engine)->hw_lock

drivers/gpu/drm/i915/gt/intel_engine_cs.c mock_reset_cancel() -> intel_engine_signal_breadcrumbs()

Type	Parameter	Key	Value
PARAM_VALUE	0	engine	4096-ptr_max
PARAM_VALUE	0	engine->reset.cancel	1-u64max
CAPPED_DATA	0	&engine->sched_engine->requests	1
DATA_SOURCE	0	engine	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	engine->uncore->fifo_count	0-127,u32max
LOCK2		bh
LOCK2		flags
LOCK2	0	&engine->sched_engine->lock
HALF_LOCKED2		&gt->reset.mutex
TYPE_LOCK		(struct i915_sched_engine)->lock

drivers/gpu/drm/i915/gt/intel_execlists_submission.c execlists_irq_handler() -> intel_engine_signal_breadcrumbs()

Type	Parameter	Key	Value
DATA_SOURCE	0	engine	$0
NOCHECK_CALL
HOST_DATA	0	engine->execlists.error_interrupt	1-u16max
HOST_DATA	0	engine->execlists.yield	0-u32max
HOST_DATA	0	engine->uncore->fifo_count	0-126,u32max

drivers/gpu/drm/i915/gt/intel_execlists_submission.c execlists_reset_cancel() -> intel_engine_signal_breadcrumbs()

Type	Parameter	Key	Value
PARAM_VALUE	0	engine	4096-ptr_max
PARAM_VALUE	0	engine->execlists.csb_write	4096-ptr_max
PARAM_VALUE	0	engine->execlists.preempt.entry.pprev	0
PARAM_VALUE	0	engine->execlists.preempt.flags	0-4194302
PARAM_VALUE	0	engine->execlists.preempt.function	0
PARAM_VALUE	0	engine->execlists.timer.entry.pprev	0
PARAM_VALUE	0	engine->execlists.timer.flags	0-4194302
PARAM_VALUE	0	engine->execlists.timer.function	0
PARAM_VALUE	0	engine->reset.cancel	1-u64max
PARAM_VALUE	0	engine->status_page.addr	4096-ptr_max
PARAM_VALUE	0	engine->uncore	4096-ptr_max
PARAM_VALUE	0	engine->uncore->debug->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	engine->uncore->funcs.mmio_writel	4096-ptr_max
PARAM_VALUE	0	engine->uncore->lock.rlock.dep_map->name	0-255
CAPPED_DATA	0	&engine->sched_engine->requests	1
DATA_SOURCE	0	engine	$0
MEM_ZERO	0	engine->execlists.csb_status
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	engine->execlists.reset_ccid	0-u32max
HOST_DATA	0	engine->uncore->fifo_count	0-127,u32max
LOCK2		bh
LOCK2		flags
LOCK2		rcu_read
LOCK2	0	&engine->sched_engine->lock
HALF_LOCKED2		&gt->reset.mutex
TYPE_LOCK		(struct i915_sched_engine)->lock

drivers/gpu/drm/i915/gt/intel_ring_submission.c irq_handler() -> intel_engine_signal_breadcrumbs()

Type	Parameter	Key	Value
DATA_SOURCE	0	engine	$0
NOCHECK_CALL

drivers/gpu/drm/i915/gt/intel_ring_submission.c reset_cancel() -> intel_engine_signal_breadcrumbs()

Type	Parameter	Key	Value
PARAM_VALUE	0	engine	4096-ptr_max
PARAM_VALUE	0	engine->reset.cancel	1-u64max
CAPPED_DATA	0	&engine->sched_engine->requests	1
DATA_SOURCE	0	engine	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	engine->uncore->fifo_count	0-127,u32max
LOCK2		bh
LOCK2		flags
LOCK2	0	&engine->sched_engine->lock
HALF_LOCKED2		&gt->reset.mutex
TYPE_LOCK		(struct i915_sched_engine)->lock

drivers/gpu/drm/i915/gt/intel_ring_submission.c xcs_resume() -> intel_engine_signal_breadcrumbs()

Type	Parameter	Key	Value
PARAM_VALUE	0	engine	4096-ptr_max
PARAM_VALUE	0	engine->breadcrumbs	4096-ptr_max
PARAM_VALUE	0	engine->breadcrumbs->irq_engine->gt->irq_lock->rlock.dep_map->name	0-255
PARAM_VALUE	0	engine->breadcrumbs->irq_engine->uncore->debug->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	engine->breadcrumbs->irq_engine->uncore->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	engine->cops->alloc	4096-ptr_max
PARAM_VALUE	0	engine->cops->close	0,4096-ptr_max
PARAM_VALUE	0	engine->cops->destroy	4096-ptr_max
PARAM_VALUE	0	engine->cops->enter	4096-ptr_max
PARAM_VALUE	0	engine->cops->exit	4096-ptr_max
PARAM_VALUE	0	engine->cops->flags	0,2-3
PARAM_VALUE	0	engine->cops->pin	4096-ptr_max
PARAM_VALUE	0	engine->cops->post_unpin	4096-ptr_max
PARAM_VALUE	0	engine->cops->pre_pin	4096-ptr_max
PARAM_VALUE	0	engine->cops->reset	0,4096-ptr_max
PARAM_VALUE	0	engine->cops->revoke	0,4096-ptr_max
PARAM_VALUE	0	engine->cops->unpin	4096-ptr_max
PARAM_VALUE	0	engine->gt	4096-ptr_max
PARAM_VALUE	0	engine->gt->i915->drm.anon_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	engine->gt->i915->drm.anon_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	engine->gt->i915->drm.anon_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	engine->gt->i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->gt->uncore->rpm->kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->gt->vm	4096-ptr_max
PARAM_VALUE	0	engine->gt->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->i915	4096-ptr_max
PARAM_VALUE	0	engine->legacy.ring	4096-ptr_max
PARAM_VALUE	0	engine->legacy.ring->vma	4096-ptr_max
PARAM_VALUE	0	engine->status_page.vma	4096-ptr_max
PARAM_VALUE	0	engine->uncore	4096-ptr_max
PARAM_VALUE	0	engine->uncore->debug->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	engine->uncore->rpm->kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->wa_list.gt	4096-ptr_max
PARAM_VALUE	0	engine->wa_list.gt->mcr_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	engine->wa_list.gt->uncore->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	engine->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
BUF_SIZE	0	engine	(-1),3608,6504
BUF_SIZE	0	engine	(-1),3608,6504
CAPPED_DATA	0	engine->wa_list.count	1
CAPPED_DATA	0	engine->whitelist.count	1
DATA_SOURCE	0	engine	$0
STR_LEN	0	engine	(-1),3-4,6,8,14,17,19,21,23
STR_LEN	0	engine	(-1),3-4,6,8,14,17,19,21,23
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	engine->breadcrumbs->irq_engine->gt->uncore->fifo_count	0-127,u32max
HOST_DATA	0	engine->breadcrumbs->irq_engine->uncore->fifo_count	0-127,u32max
HOST_DATA	0	engine->execlists.reset_ccid	0-u32max
HOST_DATA	0	engine->gt->i915->uncore.fifo_count	0-127,u32max
HOST_DATA	0	engine->gt->uc.guc.mmio_msg	0
HOST_DATA	0	engine->gt->uc.guc.timestamp.gt_stamp	0-u64max
HOST_DATA	0	engine->gt->uncore->fifo_count	0-127,u32max
HOST_DATA	0	engine->uncore->fifo_count	0-127,u32max
HALF_LOCKED2		&gt->reset.mutex
HALF_LOCKED2		__flags

drivers/gpu/drm/i915/gt/intel_reset.c nop_submit_request() -> intel_engine_signal_breadcrumbs()

Type	Parameter	Key	Value
PARAM_VALUE	0	engine	4096-ptr_max
PARAM_VALUE	0	engine->gt->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->sched_engine	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		rcu_read
HALF_LOCKED2		&engine->sched_engine->lock
HALF_LOCKED2		irq

drivers/gpu/drm/i915/gt/intel_reset.c reset_finish_engine() -> intel_engine_signal_breadcrumbs()

Type	Parameter	Key	Value
PARAM_VALUE	0	engine	4096-ptr_max
PARAM_VALUE	0	engine->cops->alloc	4096-ptr_max
PARAM_VALUE	0	engine->cops->close	0,4096-ptr_max
PARAM_VALUE	0	engine->cops->destroy	4096-ptr_max
PARAM_VALUE	0	engine->cops->enter	4096-ptr_max
PARAM_VALUE	0	engine->cops->exit	4096-ptr_max
PARAM_VALUE	0	engine->cops->flags	0,2-3
PARAM_VALUE	0	engine->cops->pin	4096-ptr_max
PARAM_VALUE	0	engine->cops->post_unpin	4096-ptr_max
PARAM_VALUE	0	engine->cops->pre_pin	4096-ptr_max
PARAM_VALUE	0	engine->cops->reset	0,4096-ptr_max
PARAM_VALUE	0	engine->cops->revoke	0,4096-ptr_max
PARAM_VALUE	0	engine->cops->unpin	4096-ptr_max
PARAM_VALUE	0	engine->gt->i915->drm.anon_inode->i_mapping->host->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	0	engine->gt->i915->drm.anon_inode->i_mapping->host->i_sb->s_export_op->encode_fh	0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE	0	engine->gt->i915->drm.anon_inode->i_mapping->host->i_sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	engine->gt->i915->drm.anon_inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	engine->gt->i915->drm.anon_inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	engine->gt->i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->gt->uncore->rpm->kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->gt->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->uncore	4096-ptr_max
PARAM_VALUE	0	engine->uncore->rpm->kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
BUF_SIZE	0	engine	(-1),3608,6504
BUF_SIZE	0	engine	(-1),3608,6504
DATA_SOURCE	0	engine	$0
STR_LEN	0	engine	(-1),3-4,6,8,14,17,19,21,23
STR_LEN	0	engine	(-1),3-4,6,8,14,17,19,21,23
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	engine->breadcrumbs->irq_engine->gt->uncore->fifo_count	0-127,u32max
HOST_DATA	0	engine->breadcrumbs->irq_engine->uncore->fifo_count	0-127,u32max
HOST_DATA	0	engine->execlists.reset_ccid	0-u32max
HOST_DATA	0	engine->gt->i915->uncore.fifo_count	0-127,u32max
HOST_DATA	0	engine->gt->uc.guc.mmio_msg	0
HOST_DATA	0	engine->gt->uc.guc.timestamp.gt_stamp	0-u64max
HOST_DATA	0	engine->gt->uncore->fifo_count	0-127,u32max
HOST_DATA	0	engine->stats.guc.prev_total	1-4294967294
HOST_DATA	0	engine->stats.guc.start_gt_clk	0-u64max[c]
HOST_DATA	0	engine->uncore->fifo_count	0-127,u32max

drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c __guc_add_request() -> intel_engine_signal_breadcrumbs()

Type	Parameter	Key	Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&sched_engine->lock
LOCK2		flags
HALF_LOCKED2		rcu_read
TYPE_LOCK		(struct i915_sched_engine)->lock

drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c cs_irq_handler() -> intel_engine_signal_breadcrumbs()

Type	Parameter	Key	Value
DATA_SOURCE	0	engine	$0
NOCHECK_CALL

drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c guc_context_revoke() -> intel_engine_signal_breadcrumbs()

Type	Parameter	Key	Value
PARAM_VALUE	0	engine	4096-ptr_max
PARAM_VALUE	0	engine->gt	4096-ptr_max
PARAM_VALUE	0	engine->gt->i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->gt->uncore->rpm->kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&ctx->engines_mutex

drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c intel_guc_sched_done_process_msg() -> intel_engine_signal_breadcrumbs()

Type	Parameter	Key	Value
PARAM_VALUE	0	engine	4096-ptr_max
PARAM_VALUE	0	engine->gt->i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->gt->uncore->rpm->kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->uncore->rpm->kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c scrub_guc_desc_for_outstanding_g2h() -> intel_engine_signal_breadcrumbs()

Type	Parameter	Key	Value
PARAM_VALUE	0	engine	4096-ptr_max
PARAM_VALUE	0	engine->gt->i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->gt->uncore->rpm->kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->uncore->rpm->kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	engine->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		flags