xe_oa_circ_diff 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/xe/xe_oa.c, line 150 (as a function)

Referenced in 1 files:

drivers/gpu/drm/xe/xe_oa.c

Smatch caller information:

drivers/gpu/drm/xe/xe_oa.c xe_oa_append_reports() -> xe_oa_circ_diff()

Type	Parameter	Key	Value
PARAM_VALUE	0	stream	4096-ptr_max
BUF_SIZE	0	stream	s32min-(-2),1-s32max
BUF_SIZE	0	stream	s32min-(-2),1-s32max
CAPPED_DATA	0	stream->gt->mmio.adj_limit	1
CAPPED_DATA	0	stream->oa_buffer.format->size	1
CAPPED_DATA	0	stream->oa_buffer.head	1
DATA_SOURCE	0	stream	$0
BIT_INFO	0	stream->oa_status	0x0,0xffffffb8
HOST_DATA	0	stream->oa_buffer.tail	0,64-u32max[c]
HOST_DATA	0	stream->oa_status	0-u32max
HOST_DATA	1	tail	0,64-u32max[c]
LOCK2	0	&stream->stream_lock
TYPE_LOCK		(struct xe_oa_stream)->stream_lock

drivers/gpu/drm/xe/xe_oa.c xe_oa_append_reports() -> xe_oa_circ_diff()

Type	Parameter	Key	Value
PARAM_VALUE	0	stream	4096-ptr_max
BUF_SIZE	0	stream	s32min-(-2),1-s32max
BUF_SIZE	0	stream	s32min-(-2),1-s32max
CAPPED_DATA	0	stream->gt->mmio.adj_limit	1
CAPPED_DATA	0	stream->oa_buffer.circ_size	1
CAPPED_DATA	0	stream->oa_buffer.format->size	1
CAPPED_DATA	0	stream->oa_buffer.head	1
DATA_SOURCE	0	stream	$0
DATA_SOURCE	2	head	r xe_oa_circ_incr
BIT_INFO	0	stream->oa_status	0x0,0xffffffb8
HOST_DATA	0	stream->oa_buffer.tail	0,64-u32max[c]
HOST_DATA	0	stream->oa_status	0-u32max
HOST_DATA	1	tail	0,64-u32max[c]
LOCK2	0	&stream->stream_lock
TYPE_LOCK		(struct xe_oa_stream)->stream_lock

drivers/gpu/drm/xe/xe_oa.c xe_oa_buffer_check_unlocked() -> xe_oa_circ_diff()

Type	Parameter	Key	Value
PARAM_VALUE	0	stream	4096-ptr_max
BUF_SIZE	0	stream	s32min-(-1),1-s32max
BUF_SIZE	0	stream	s32min-(-1),1-s32max
CAPPED_DATA	0	stream->gt->mmio.adj_limit	1
DATA_SOURCE	0	stream	$0
NOSPEC	0	stream->num_syncs
NOSPEC	0	stream->oa_unit->exclusive_stream->num_syncs
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	stream->oa_buffer.tail	0,64-u32max[c]
HOST_DATA	0	stream->oa_status	0-u32max
HOST_DATA	1	tail	0,64-u32max
HOST_DATA	2	head	0,64-u32max[c]
USER_DATA	0	stream->no_preempt	0-1
USER_DATA	0	stream->num_syncs	0-1024[c]
USER_DATA	0	stream->oa_buffer.bo->flags	0-u32max[u]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.size	0-u64max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.vma_node.vm_node.size	1-s32max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.vma_node.vm_node.start	0-s32max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.page_alignment	1,16,512
USER_DATA	0	stream->oa_buffer.circ_size	130433-134217728
USER_DATA	0	stream->oa_unit->exclusive_stream->no_preempt	0-1
USER_DATA	0	stream->oa_unit->exclusive_stream->num_syncs	0-1024[c]
USER_DATA	0	stream->oa_unit->exclusive_stream->oa_buffer.circ_size	130433-134217728
USER_DATA	0	stream->oa_unit->exclusive_stream->period_exponent	0-31
USER_DATA	0	stream->oa_unit->exclusive_stream->periodic	1[c]
USER_DATA	0	stream->oa_unit->exclusive_stream->sample	0-1
USER_DATA	0	stream->period_exponent	0-31
USER_DATA	0	stream->periodic	1[c]
USER_DATA	0	stream->sample	0-1
NO_OVERFLOW_SIMPLE	0	stream->k_exec_q->entity->num_sched_list
LOCK2		flags
LOCK2	0	&stream->oa_buffer.ptr_lock
HALF_LOCKED2	0	&stream->stream_lock
TYPE_LOCK		(struct xe_oa_buffer)->ptr_lock

drivers/gpu/drm/xe/xe_oa.c xe_oa_buffer_check_unlocked() -> xe_oa_circ_diff()

Type	Parameter	Key	Value
PARAM_VALUE	0	stream	4096-ptr_max
PARAM_VALUE	2	head	0-639
BUF_SIZE	0	stream	s32min-(-1),1-s32max
BUF_SIZE	0	stream	s32min-(-1),1-s32max
CAPPED_DATA	0	stream->gt->mmio.adj_limit	1
CAPPED_DATA	0	stream->oa_buffer.tail	1
DATA_SOURCE	0	stream	$0
NOSPEC	0	stream->num_syncs
NOSPEC	0	stream->oa_unit->exclusive_stream->num_syncs
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	stream->oa_buffer.tail	0,64-u32max[c]
HOST_DATA	0	stream->oa_status	0-u32max
HOST_DATA	1	tail	0,64-u32max
USER_DATA	0	stream->no_preempt	0-1
USER_DATA	0	stream->num_syncs	0-1024[c]
USER_DATA	0	stream->oa_buffer.bo->flags	0-u32max[u]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.size	0-u64max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.vma_node.vm_node.size	1-s32max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.vma_node.vm_node.start	0-s32max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.page_alignment	1,16,512
USER_DATA	0	stream->oa_buffer.circ_size	130433-134217728
USER_DATA	0	stream->oa_unit->exclusive_stream->no_preempt	0-1
USER_DATA	0	stream->oa_unit->exclusive_stream->num_syncs	0-1024[c]
USER_DATA	0	stream->oa_unit->exclusive_stream->oa_buffer.circ_size	130433-134217728
USER_DATA	0	stream->oa_unit->exclusive_stream->period_exponent	0-31
USER_DATA	0	stream->oa_unit->exclusive_stream->periodic	1[c]
USER_DATA	0	stream->oa_unit->exclusive_stream->sample	0-1
USER_DATA	0	stream->period_exponent	0-31
USER_DATA	0	stream->periodic	1[c]
USER_DATA	0	stream->sample	0-1
NO_OVERFLOW_SIMPLE	0	stream->k_exec_q->entity->num_sched_list
LOCK2		flags
LOCK2	0	&stream->oa_buffer.ptr_lock
HALF_LOCKED2	0	&stream->stream_lock
TYPE_LOCK		(struct xe_oa_buffer)->ptr_lock

drivers/gpu/drm/xe/xe_oa.c xe_oa_buffer_check_unlocked() -> xe_oa_circ_diff()

Type	Parameter	Key	Value
PARAM_VALUE	0	stream	4096-ptr_max
BUF_SIZE	0	stream	s32min-(-1),1-s32max
BUF_SIZE	0	stream	s32min-(-1),1-s32max
CAPPED_DATA	0	stream->gt->mmio.adj_limit	1
CAPPED_DATA	0	stream->oa_buffer.tail	1
CAPPED_DATA	2	head	1
DATA_SOURCE	0	stream	$0
NOSPEC	0	stream->num_syncs
NOSPEC	0	stream->oa_unit->exclusive_stream->num_syncs
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	stream->oa_buffer.tail	0,64-u32max[c]
HOST_DATA	0	stream->oa_status	0-u32max
HOST_DATA	1	tail	0,64-u32max
HOST_DATA	2	head	0,64-u32max[c]
USER_DATA	0	stream->no_preempt	0-1
USER_DATA	0	stream->num_syncs	0-1024[c]
USER_DATA	0	stream->oa_buffer.bo->flags	0-u32max[u]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.size	0-u64max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.vma_node.vm_node.size	1-s32max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.vma_node.vm_node.start	0-s32max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.page_alignment	1,16,512
USER_DATA	0	stream->oa_buffer.circ_size	130433-134217728
USER_DATA	0	stream->oa_unit->exclusive_stream->no_preempt	0-1
USER_DATA	0	stream->oa_unit->exclusive_stream->num_syncs	0-1024[c]
USER_DATA	0	stream->oa_unit->exclusive_stream->oa_buffer.circ_size	130433-134217728
USER_DATA	0	stream->oa_unit->exclusive_stream->period_exponent	0-31
USER_DATA	0	stream->oa_unit->exclusive_stream->periodic	1[c]
USER_DATA	0	stream->oa_unit->exclusive_stream->sample	0-1
USER_DATA	0	stream->period_exponent	0-31
USER_DATA	0	stream->periodic	1[c]
USER_DATA	0	stream->sample	0-1
NO_OVERFLOW_SIMPLE	0	stream->k_exec_q->entity->num_sched_list
LOCK2		flags
LOCK2	0	&stream->oa_buffer.ptr_lock
HALF_LOCKED2	0	&stream->stream_lock
TYPE_LOCK		(struct xe_oa_buffer)->ptr_lock

drivers/gpu/drm/xe/xe_oa.c xe_oa_buffer_check_unlocked() -> xe_oa_circ_diff()

Type	Parameter	Key	Value
PARAM_VALUE	0	stream	4096-ptr_max
PARAM_VALUE	2	head	64,128,192,256,320,576,640
BUF_SIZE	0	stream	s32min-(-1),1-s32max
BUF_SIZE	0	stream	s32min-(-1),1-s32max
CAPPED_DATA	0	stream->gt->mmio.adj_limit	1
CAPPED_DATA	0	stream->oa_buffer.tail	1
CAPPED_DATA	2	head	1
DATA_SOURCE	0	stream	$0
NOSPEC	0	stream->num_syncs
NOSPEC	0	stream->oa_unit->exclusive_stream->num_syncs
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	stream->oa_buffer.tail	0,64-u32max[c]
HOST_DATA	0	stream->oa_status	0-u32max
HOST_DATA	1	tail	0,64-u32max
USER_DATA	0	stream->no_preempt	0-1
USER_DATA	0	stream->num_syncs	0-1024[c]
USER_DATA	0	stream->oa_buffer.bo->flags	0-u32max[u]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.size	0-u64max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.vma_node.vm_node.size	1-s32max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.vma_node.vm_node.start	0-s32max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.page_alignment	1,16,512
USER_DATA	0	stream->oa_buffer.circ_size	130433-134217728
USER_DATA	0	stream->oa_unit->exclusive_stream->no_preempt	0-1
USER_DATA	0	stream->oa_unit->exclusive_stream->num_syncs	0-1024[c]
USER_DATA	0	stream->oa_unit->exclusive_stream->oa_buffer.circ_size	130433-134217728
USER_DATA	0	stream->oa_unit->exclusive_stream->period_exponent	0-31
USER_DATA	0	stream->oa_unit->exclusive_stream->periodic	1[c]
USER_DATA	0	stream->oa_unit->exclusive_stream->sample	0-1
USER_DATA	0	stream->period_exponent	0-31
USER_DATA	0	stream->periodic	1[c]
USER_DATA	0	stream->sample	0-1
NO_OVERFLOW_SIMPLE	0	stream->k_exec_q->entity->num_sched_list
LOCK2		flags
LOCK2	0	&stream->oa_buffer.ptr_lock
HALF_LOCKED2	0	&stream->stream_lock
TYPE_LOCK		(struct xe_oa_buffer)->ptr_lock

drivers/gpu/drm/xe/xe_oa.c xe_oa_buffer_check_unlocked() -> xe_oa_circ_diff()

Type	Parameter	Key	Value
PARAM_VALUE	0	stream	4096-ptr_max
BUF_SIZE	0	stream	s32min-(-1),1-s32max
BUF_SIZE	0	stream	s32min-(-1),1-s32max
CAPPED_DATA	0	stream->gt->mmio.adj_limit	1
CAPPED_DATA	0	stream->oa_buffer.tail	1
CAPPED_DATA	1	tail	1
CAPPED_DATA	2	head	1
DATA_SOURCE	0	stream	$0
DATA_SOURCE	1	tail	r xe_oa_circ_diff
NOSPEC	0	stream->num_syncs
NOSPEC	0	stream->oa_unit->exclusive_stream->num_syncs
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	stream->oa_buffer.tail	0,64-u32max[c]
HOST_DATA	0	stream->oa_status	0-u32max
HOST_DATA	1	tail	0,64-2147483583[c]
HOST_DATA	2	head	0,64-u32max[c]
USER_DATA	0	stream->no_preempt	0-1
USER_DATA	0	stream->num_syncs	0-1024[c]
USER_DATA	0	stream->oa_buffer.bo->flags	0-u32max[u]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.size	0-u64max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.vma_node.vm_node.size	1-s32max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.vma_node.vm_node.start	0-s32max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.page_alignment	1,16,512
USER_DATA	0	stream->oa_buffer.circ_size	130433-134217728
USER_DATA	0	stream->oa_unit->exclusive_stream->no_preempt	0-1
USER_DATA	0	stream->oa_unit->exclusive_stream->num_syncs	0-1024[c]
USER_DATA	0	stream->oa_unit->exclusive_stream->oa_buffer.circ_size	130433-134217728
USER_DATA	0	stream->oa_unit->exclusive_stream->period_exponent	0-31
USER_DATA	0	stream->oa_unit->exclusive_stream->periodic	1[c]
USER_DATA	0	stream->oa_unit->exclusive_stream->sample	0-1
USER_DATA	0	stream->period_exponent	0-31
USER_DATA	0	stream->periodic	1[c]
USER_DATA	0	stream->sample	0-1
NO_OVERFLOW_SIMPLE	0	stream->k_exec_q->entity->num_sched_list
LOCK2		flags
LOCK2	0	&stream->oa_buffer.ptr_lock
HALF_LOCKED2	0	&stream->stream_lock
TYPE_LOCK		(struct xe_oa_buffer)->ptr_lock

drivers/gpu/drm/xe/xe_oa.c xe_oa_buffer_check_unlocked() -> xe_oa_circ_diff()

Type	Parameter	Key	Value
PARAM_VALUE	0	stream	4096-ptr_max
BUF_SIZE	0	stream	s32min-(-1),1-s32max
BUF_SIZE	0	stream	s32min-(-1),1-s32max
CAPPED_DATA	0	stream->gt->mmio.adj_limit	1
CAPPED_DATA	0	stream->oa_buffer.tail	1
DATA_SOURCE	0	stream	$0
DATA_SOURCE	1	tail	r xe_oa_circ_diff
NOSPEC	0	stream->num_syncs
NOSPEC	0	stream->oa_unit->exclusive_stream->num_syncs
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	stream->oa_buffer.tail	0,64-u32max[c]
HOST_DATA	0	stream->oa_status	0-u32max
HOST_DATA	1	tail	0,64-u32max
HOST_DATA	2	head	0,64-u32max
USER_DATA	0	stream->no_preempt	0-1
USER_DATA	0	stream->num_syncs	0-1024[c]
USER_DATA	0	stream->oa_buffer.bo->flags	0-u32max[u]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.size	0-u64max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.vma_node.vm_node.size	1-s32max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.vma_node.vm_node.start	0-s32max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.page_alignment	1,16,512
USER_DATA	0	stream->oa_buffer.circ_size	130433-134217728
USER_DATA	0	stream->oa_unit->exclusive_stream->no_preempt	0-1
USER_DATA	0	stream->oa_unit->exclusive_stream->num_syncs	0-1024[c]
USER_DATA	0	stream->oa_unit->exclusive_stream->oa_buffer.circ_size	130433-134217728
USER_DATA	0	stream->oa_unit->exclusive_stream->period_exponent	0-31
USER_DATA	0	stream->oa_unit->exclusive_stream->periodic	1[c]
USER_DATA	0	stream->oa_unit->exclusive_stream->sample	0-1
USER_DATA	0	stream->period_exponent	0-31
USER_DATA	0	stream->periodic	1[c]
USER_DATA	0	stream->sample	0-1
NO_OVERFLOW_SIMPLE	0	stream->k_exec_q->entity->num_sched_list
LOCK2		flags
LOCK2	0	&stream->oa_buffer.ptr_lock
HALF_LOCKED2	0	&stream->stream_lock
TYPE_LOCK		(struct xe_oa_buffer)->ptr_lock

drivers/gpu/drm/xe/xe_oa.c xe_oa_buffer_check_unlocked() -> xe_oa_circ_diff()

Type	Parameter	Key	Value
PARAM_VALUE	0	stream	4096-ptr_max
BUF_SIZE	0	stream	s32min-(-1),1-s32max
BUF_SIZE	0	stream	s32min-(-1),1-s32max
CAPPED_DATA	0	stream->gt->mmio.adj_limit	1
CAPPED_DATA	0	stream->oa_buffer.tail	1
CAPPED_DATA	1	tail	1
DATA_SOURCE	0	stream	$0
NOSPEC	0	stream->num_syncs
NOSPEC	0	stream->oa_unit->exclusive_stream->num_syncs
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	stream->oa_buffer.tail	0,64-u32max[c]
HOST_DATA	0	stream->oa_status	0-u32max
HOST_DATA	1	tail	0,64-u32max[c]
USER_DATA	0	stream->no_preempt	0-1
USER_DATA	0	stream->num_syncs	0-1024[c]
USER_DATA	0	stream->oa_buffer.bo->flags	0-u32max[u]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.size	0-u64max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.vma_node.vm_node.size	1-s32max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.base.vma_node.vm_node.start	0-s32max[c]
USER_DATA	0	stream->oa_buffer.bo->ttm.page_alignment	1,16,512
USER_DATA	0	stream->oa_buffer.circ_size	130433-134217728
USER_DATA	0	stream->oa_unit->exclusive_stream->no_preempt	0-1
USER_DATA	0	stream->oa_unit->exclusive_stream->num_syncs	0-1024[c]
USER_DATA	0	stream->oa_unit->exclusive_stream->oa_buffer.circ_size	130433-134217728
USER_DATA	0	stream->oa_unit->exclusive_stream->period_exponent	0-31
USER_DATA	0	stream->oa_unit->exclusive_stream->periodic	1[c]
USER_DATA	0	stream->oa_unit->exclusive_stream->sample	0-1
USER_DATA	0	stream->period_exponent	0-31
USER_DATA	0	stream->periodic	1[c]
USER_DATA	0	stream->sample	0-1
NO_OVERFLOW_SIMPLE	0	stream->k_exec_q->entity->num_sched_list
LOCK2		flags
LOCK2	0	&stream->oa_buffer.ptr_lock
HALF_LOCKED2	0	&stream->stream_lock
TYPE_LOCK		(struct xe_oa_buffer)->ptr_lock