vb2_core_reqbufs identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

include/media/videobuf2-core.h, line 780

Defined in 1 files as a prototype:

include/media/videobuf2-core.h, line 809 (as a prototype)

Defined in 1 files as a function:

drivers/media/common/videobuf2/videobuf2-core.c, line 867 (as a function)

Referenced in 3 files:

Smatch caller information:

drivers/media/common/videobuf2/videobuf2-core.c __vb2_cleanup_fileio() -> vb2_core_reqbufs()

Type	Parameter	Key	Value
PARAM_VALUE	0	q	4096-ptr_max
PARAM_VALUE	0	q->done_list.next	4096-ptr_max
PARAM_VALUE	0	q->done_list.next->next	4096-ptr_max
PARAM_VALUE	0	q->done_list.prev	4096-ptr_max
PARAM_VALUE	0	q->done_list.prev->next	4096-ptr_max
PARAM_VALUE	0	q->done_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	q->drv_priv->chained	0
PARAM_VALUE	0	q->drv_priv->m2m->chained_count	s32min-s32max
PARAM_VALUE	0	q->drv_priv->m2m->isi->dev->power.deferred_resume	0-1
PARAM_VALUE	0	q->drv_priv->m2m->isi->dev->power.idle_notification	0-1
PARAM_VALUE	0	q->drv_priv->m2m->isi->dev->power.request	0-4
PARAM_VALUE	0	q->drv_priv->m2m->isi->dev->power.request_pending	0-1
PARAM_VALUE	0	q->drv_priv->m2m->isi->dev->power.runtime_error	s32min-(-17),(-15)-(-14),(-12),(-10)-s32max
PARAM_VALUE	0	q->drv_priv->m2m->isi->dev->power.runtime_status	0,2
PARAM_VALUE	0	q->drv_priv->m2m->isi->dev->power.timer_autosuspends	0-1
PARAM_VALUE	0	q->drv_priv->m2m->isi->dev->power.usage_count.counter	s32min-s32max
PARAM_VALUE	0	q->drv_priv->m2m->isi->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	q->drv_priv->m2m->last_ctx	0
PARAM_VALUE	0	q->drv_priv->m2m->pipe->lock.dep_map->name	0-255
PARAM_VALUE	0	q->drv_priv->m2m->pipe->lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	q->drv_priv->m2m->pipe->lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	q->drv_priv->m2m->pipe->lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	q->drv_priv->m2m->pipe->lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	q->drv_priv->m2m->usage_count	s32min-s32max
PARAM_VALUE	0	q->drv_priv->pipe->acquired_res	0
PARAM_VALUE	0	q->drv_priv->pipe->available_res	0-255
PARAM_VALUE	0	q->drv_priv->pipe->chained	0
PARAM_VALUE	0	q->drv_priv->pipe->irq_handler	0
PARAM_VALUE	0	q->drv_priv->pipe->lock.dep_map->name	0-255
PARAM_VALUE	0	q->drv_priv->pipe->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	q->drv_priv->pipe->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	q->drv_priv->pipe->lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	q->drv_priv->pipe->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	q->drv_priv->vdev.entity.graph_obj.mdev->graph_mutex.dep_map->name	0-255
PARAM_VALUE	0	q->drv_priv->vdev.entity.graph_obj.mdev->graph_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	q->drv_priv->video_dev.entity.pads->graph_obj.mdev->graph_mutex.dep_map->name	0-255
PARAM_VALUE	0	q->drv_priv->video_dev.entity.pads->pipe->start_count	s32min-s32max
PARAM_VALUE	0	q->error	0
PARAM_VALUE	0	q->fileio	0
PARAM_VALUE	0	q->last_buffer_dequeued	0
PARAM_VALUE	0	q->owned_by_drv_count.counter	0
PARAM_VALUE	0	q->queued_count	0
PARAM_VALUE	0	q->queued_list.next	4096-ptr_max
PARAM_VALUE	0	q->queued_list.next->next	4096-ptr_max
PARAM_VALUE	0	q->queued_list.prev	4096-ptr_max
PARAM_VALUE	0	q->queued_list.prev->next	4096-ptr_max
PARAM_VALUE	0	q->queued_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	q->start_streaming_called	0
PARAM_VALUE	0	q->streaming	0
PARAM_VALUE	0	q->uses_qbuf	0
PARAM_VALUE	0	q->uses_requests	0
PARAM_VALUE	2	flags	0
PARAM_VALUE	3	count	4096-ptr_max
PARAM_VALUE	3	*count	0
BUF_SIZE	0	q	(-1),632
BUF_SIZE	0	q	(-1),632
BUF_SIZE	0	q->dev	(-1),1616
BUF_SIZE	0	q->drv_priv	(-1),360,392,488,768,776,784,816,856,872,880,920,928,976,1000,1016,1088,1120,1128,1144,1152,1184,1248,1288,1312,1328,1344,1352,1368,1392,1552,2416,2728,2888,3040,3256,4104,4824,7552,7944,8768,116088
BUF_SIZE	0	q->lock	(-1),152
BUF_SIZE	0	q->mem_ops	(-1),120
BUF_SIZE	0	q->ops	(-1),96
BUF_SIZE	0	q->owner	s32min-(-1),1-s32max
BUF_SIZE	0	q->threadio	(-1),32
CAPPED_DATA	0	q->max_num_buffers	1
CAPPED_DATA	0	q->type	1
DATA_SOURCE	0	q	$0
STR_LEN	0	q->drv_priv	(-1),5-9,12
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/media/common/videobuf2/videobuf2-core.c __vb2_init_fileio() -> vb2_core_reqbufs()

Type	Parameter	Key	Value
PARAM_VALUE	0	q	4096-ptr_max
PARAM_VALUE	0	q->fileio	4096-ptr_max
PARAM_VALUE	0	q->fileio->memory	1
PARAM_VALUE	0	q->io_modes	4-u32max
PARAM_VALUE	0	q->mem_ops	4096-ptr_max
PARAM_VALUE	0	q->mem_ops->vaddr	1-u64max
PARAM_VALUE	0	q->streaming	0
PARAM_VALUE	1	memory	1
PARAM_VALUE	2	flags	0
PARAM_VALUE	3	count	4096-ptr_max
BUF_SIZE	0	q->fileio	808
BUF_SIZE	0	q->owner	s32min-(-1),1-s32max
DATA_SOURCE	0	q	$0
RX_PATH
TASK_NOT_RUNNING

drivers/media/common/videobuf2/videobuf2-core.c __vb2_init_fileio() -> vb2_core_reqbufs()

Type	Parameter	Key	Value
PARAM_VALUE	0	q	4096-ptr_max
PARAM_VALUE	0	q->done_list.next	4096-ptr_max
PARAM_VALUE	0	q->done_list.next->next	4096-ptr_max
PARAM_VALUE	0	q->done_list.prev	4096-ptr_max
PARAM_VALUE	0	q->done_list.prev->next	4096-ptr_max
PARAM_VALUE	0	q->done_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	q->drv_priv->m2m->last_ctx	0
PARAM_VALUE	0	q->drv_priv->m2m->pipe->lock.dep_map->name	0-255
PARAM_VALUE	0	q->drv_priv->m2m->pipe->lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	q->drv_priv->pipe->lock.dep_map->name	0-255
PARAM_VALUE	0	q->drv_priv->pipe->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	q->drv_priv->vdev.entity.graph_obj.mdev->graph_mutex.dep_map->name	0-255
PARAM_VALUE	0	q->drv_priv->video_dev.entity.pads->graph_obj.mdev->graph_mutex.dep_map->name	0-255
PARAM_VALUE	0	q->error	0
PARAM_VALUE	0	q->fileio	4096-ptr_max
PARAM_VALUE	0	q->fileio->count	0
PARAM_VALUE	0	q->fileio->memory	1
PARAM_VALUE	0	q->io_modes	4-u32max
PARAM_VALUE	0	q->is_busy	0
PARAM_VALUE	0	q->mem_ops	4096-ptr_max
PARAM_VALUE	0	q->mem_ops->vaddr	1-u64max
PARAM_VALUE	0	q->min_reqbufs_allocation	0
PARAM_VALUE	0	q->mmap_lock.dep_map->name	0-255
PARAM_VALUE	0	q->mmap_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	q->mmap_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	q->mmap_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	q->mmap_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	q->owned_by_drv_count.counter	0
PARAM_VALUE	0	q->queued_list.next	4096-ptr_max
PARAM_VALUE	0	q->queued_list.next->next	4096-ptr_max
PARAM_VALUE	0	q->queued_list.prev	4096-ptr_max
PARAM_VALUE	0	q->queued_list.prev->next	4096-ptr_max
PARAM_VALUE	0	q->queued_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	q->streaming	0
PARAM_VALUE	0	q->uses_requests	0
PARAM_VALUE	1	memory	1
PARAM_VALUE	2	flags	0
PARAM_VALUE	3	count	4096-ptr_max
PARAM_VALUE	3	*count	0
BUF_SIZE	0	q->fileio	808
BUF_SIZE	0	q->owner	s32min-(-1),1-s32max
CAPPED_DATA	0	q->max_num_buffers	1
DATA_SOURCE	0	q	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/media/dvb-core/dvb_vb2.c dvb_vb2_reqbufs() -> vb2_core_reqbufs()

Type	Parameter	Key	Value
PARAM_VALUE	0	q	4096-ptr_max
PARAM_VALUE	1	memory	1
PARAM_VALUE	2	flags	0
PARAM_VALUE	3	count	4096-ptr_max
USER_DATA	3	*count	0-u32max[u]
USER_PTR	3	count
LOCK2		&dmxdev->mutex
HALF_LOCKED2		&dmxdevfilter->mutex
TYPE_LOCK		(struct dmxdev)->mutex

drivers/media/common/videobuf2/videobuf2-v4l2.c vb2_ioctl_reqbufs() -> vb2_core_reqbufs()

Type	Parameter	Key	Value
PARAM_VALUE	0	q	4096-ptr_max
PARAM_VALUE	0	q->fileio	0
PARAM_VALUE	0	q->type	1-14
PARAM_VALUE	1	memory	1-2,4
PARAM_VALUE	2	flags	0-1
PARAM_VALUE	3	count	4096-ptr_max
CAPPED_DATA	0	q->owner	1
CAPPED_DATA	0	q->type	1
USER_DATA	1	memory	1-2,4[u]
USER_DATA	2	flags	0-1[c][u]
USER_DATA	3	*count	0-u32max[u]
USER_PTR	3	count
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/common/videobuf2/videobuf2-v4l2.c vb2_reqbufs() -> vb2_core_reqbufs()

Type	Parameter	Key	Value
PARAM_VALUE	0	q	4096-ptr_max
PARAM_VALUE	0	q->fileio	0
PARAM_VALUE	0	q->mem_ops->alloc	0,4096-ptr_max
PARAM_VALUE	0	q->mem_ops->mmap	0,4096-ptr_max
PARAM_VALUE	0	q->mem_ops->put	0,4096-ptr_max
PARAM_VALUE	0	q->type	1-14
PARAM_VALUE	1	memory	1-2,4
PARAM_VALUE	2	flags	0-1
PARAM_VALUE	3	count	4096-ptr_max
BUF_SIZE	0	q	(-1),632
BUF_SIZE	0	q	(-1),632
CAPPED_DATA	0	q->type	1
DATA_SOURCE	0	q	$0
USER_DATA	0	q->memory	1-2,4[c][u]
USER_DATA	1	memory	1-2,4[u]
USER_DATA	2	flags	0-1[c][u]
USER_DATA	3	*count	0-u32max[u]
USER_PTR	3	count
HALF_LOCKED2		&video->queue_lock
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock