Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 3 files:
- drivers/media/common/videobuf2/videobuf2-core.c
- drivers/media/common/videobuf2/videobuf2-v4l2.c, line 818
- drivers/media/dvb-core/dvb_vb2.c, line 382
Smatch caller information:
drivers/media/common/videobuf2/videobuf2-core.c __vb2_init_fileio() -> vb2_core_qbuf()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | q | 4096-ptr_max |
| PARAM_VALUE | 0 | q->bufs | 4096-ptr_max |
| PARAM_VALUE | 0 | q->bufs_bitmap | 1-u64max |
| PARAM_VALUE | 0 | q->cnt_prepare_streaming | 0 |
| PARAM_VALUE | 0 | q->cnt_unprepare_streaming | 0 |
| 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->chained_count | s32min-s32max |
| 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->max_num_buffers | 1-u32max |
| 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 | vb | 1-u64max |
| PARAM_VALUE | 2 | pb | 0 |
| PARAM_VALUE | 3 | req | 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 |
| DATA_SOURCE | 1 | vb | r vb2_get_buffer |
| BIT_INFO | 0 | q->io_modes | 0x4,0xffffffffffffffff |
| RX_PATH | |||
| TASK_NOT_RUNNING |
drivers/media/common/videobuf2/videobuf2-core.c __vb2_perform_fileio() -> vb2_core_qbuf()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | q | 4096-ptr_max |
| PARAM_VALUE | 0 | q->fileio | 4096-ptr_max |
| PARAM_VALUE | 0 | q->fileio->bufs | 4096-ptr_max |
| PARAM_VALUE | 0 | q->fileio->write_immediately | 1 |
| PARAM_VALUE | 0 | q->io_modes | 4-u32max |
| PARAM_VALUE | 0 | q->waiting_in_dqbuf | 0 |
| PARAM_VALUE | 1 | vb | 4096-ptr_max |
| PARAM_VALUE | 1 | vb->planes | 4096-ptr_max |
| PARAM_VALUE | 2 | pb | 0 |
| PARAM_VALUE | 3 | req | 0 |
| BUF_SIZE | 0 | q->owner | s32min-(-1),1-s32max |
| DATA_SOURCE | 0 | q | $0 |
| DATA_SOURCE | 1 | vb | r vb2_get_buffer |
| HALF_LOCKED2 | lock |
drivers/media/common/videobuf2/videobuf2-core.c vb2_req_queue() -> vb2_core_qbuf()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | q | 4096-ptr_max |
| PARAM_VALUE | 0 | q->lock->dep_map->name | 0-255 |
| PARAM_VALUE | 0 | q->lock->first_waiter->list.prev->next | 5159360019465732096 |
| PARAM_VALUE | 0 | q->lock->osq.tail.counter | 0-s32max |
| PARAM_VALUE | 0 | q->lock->wait_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | q->lock->wait_lock.owner | (-1) |
| PARAM_VALUE | 0 | q->lock->wait_lock.owner_cpu | u32max |
| PARAM_VALUE | 1 | vb | 4096-ptr_max |
| PARAM_VALUE | 1 | vb->vb2_queue | 4096-ptr_max |
| PARAM_VALUE | 1 | vb->vb2_queue->lock->dep_map->name | 0-255 |
| PARAM_VALUE | 1 | vb->vb2_queue->lock->first_waiter->list.prev->next | 5159360019465732096 |
| PARAM_VALUE | 1 | vb->vb2_queue->lock->osq.tail.counter | 0-s32max |
| PARAM_VALUE | 1 | vb->vb2_queue->lock->wait_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | vb->vb2_queue->lock->wait_lock.owner | (-1) |
| PARAM_VALUE | 1 | vb->vb2_queue->lock->wait_lock.owner_cpu | u32max |
| PARAM_VALUE | 2 | pb | 0 |
| PARAM_VALUE | 3 | req | 0 |
| CAPPED_DATA | 0 | q->lock | 1 |
| CAPPED_DATA | 1 | vb->vb2_queue->lock | 1 |
| LOCK2 | &mdev->req_queue_mutex | ||
| LOCK2 | 0 | q->lock | |
| LOCK2 | 1 | vb->vb2_queue->lock | |
| TYPE_LOCK | (struct media_device)->req_queue_mutex |
drivers/media/common/videobuf2/videobuf2-core.c vb2_thread() -> vb2_core_qbuf()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | q | 4096-ptr_max |
| PARAM_VALUE | 0 | q->lock->dep_map->name | 0-255 |
| PARAM_VALUE | 0 | q->lock->first_waiter | 0,4096-ptr_max |
| PARAM_VALUE | 0 | q->lock->first_waiter->list.prev->next | 5159360019465732096 |
| PARAM_VALUE | 0 | q->lock->osq.tail.counter | 0-s32max |
| PARAM_VALUE | 0 | q->lock->wait_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | q->lock->wait_lock.owner | (-1) |
| PARAM_VALUE | 0 | q->lock->wait_lock.owner_cpu | u32max |
| PARAM_VALUE | 1 | vb | 4096-ptr_max |
| PARAM_VALUE | 2 | pb | 0 |
| PARAM_VALUE | 3 | req | 0 |
| BUF_SIZE | 0 | q | 128 |
| BUF_SIZE | 0 | q | 128 |
| CAPPED_DATA | 0 | q->lock | 1 |
| DATA_SOURCE | 0 | q | $0 |
| LOCK2 | 0 | q->lock |
drivers/media/dvb-core/dvb_vb2.c dvb_vb2_qbuf() -> vb2_core_qbuf()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | q | 4096-ptr_max |
| PARAM_VALUE | 0 | q->bufs | 4096-ptr_max |
| PARAM_VALUE | 0 | q->max_num_buffers | 1-u32max |
| PARAM_VALUE | 1 | vb | 1-u64max |
| PARAM_VALUE | 2 | pb | 4096-ptr_max |
| PARAM_VALUE | 3 | req | 0 |
| BUF_SIZE | 2 | pb | (-1),128-16383 |
| DATA_SOURCE | 1 | vb | r vb2_get_buffer |
| DATA_SOURCE | 2 | pb | $1 |
| USER_PTR | 2 | pb | |
| LOCK2 | &dmxdev->mutex | ||
| HALF_LOCKED2 | &dmxdevfilter->mutex | ||
| TYPE_LOCK | (struct dmxdev)->mutex |
drivers/media/common/videobuf2/videobuf2-v4l2.c vb2_qbuf() -> vb2_core_qbuf()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | q | 4096-ptr_max |
| PARAM_VALUE | 0 | q->bufs | 4096-ptr_max |
| PARAM_VALUE | 0 | q->fileio | 0 |
| PARAM_VALUE | 0 | q->max_num_buffers | 1-u32max |
| PARAM_VALUE | 0 | q->type | 1-2,4-14 |
| PARAM_VALUE | 1 | vb | 1-u64max |
| PARAM_VALUE | 1 | vb->skip_cache_sync_on_finish | 1 |
| PARAM_VALUE | 1 | vb->skip_cache_sync_on_prepare | 1 |
| PARAM_VALUE | 2 | pb | 4096-ptr_max |
| PARAM_VALUE | 3 | req | 0,4096-ptr_max |
| PARAM_VALUE | 3 | req->state | 0,5 |
| BUF_SIZE | 0 | q | (-1),632 |
| BUF_SIZE | 0 | q | (-1),632 |
| BUF_SIZE | 2 | pb | (-1),128-16383 |
| CAPPED_DATA | 0 | q->max_num_buffers | 1 |
| CAPPED_DATA | 0 | q->memory | 1 |
| CAPPED_DATA | 0 | q->type | 1 |
| DATA_SOURCE | 0 | q | $0 |
| DATA_SOURCE | 1 | vb | r vb2_get_buffer |
| DATA_SOURCE | 2 | pb | $2 |
| USER_PTR | 2 | pb | |
| HALF_LOCKED2 | &video->queue_lock | ||
| HALF_LOCKED2 | lock | ||
| HALF_LOCKED2 | req_queue_lock |