dma_buf_vunmap identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

drivers/dma-buf/dma-buf.c, line 1692

Defined in 1 files as a prototype:

include/linux/dma-buf.h, line 593 (as a prototype)

Defined in 1 files as a function:

drivers/dma-buf/dma-buf.c, line 1697 (as a function)

Referenced in 7 files:

Smatch caller information:

drivers/gpu/drm/panthor/panthor_gem.c panthor_gem_vunmap_locked() -> dma_buf_vunmap()

Type	Parameter	Key	Value
PARAM_VALUE	1	map	4096-ptr_max
BUF_SIZE	1	map	(-1),16
BUF_SIZE	1	map	(-1),16
BUF_SIZE	1	map->vaddr	s32min-(-1),1-s32max
DATA_SOURCE	1	map	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		gem->resv
HALF_LOCKED2		obj->resv

drivers/accel/amdxdna/amdxdna_gem.c amdxdna_gem_obj_vunmap() -> dma_buf_vunmap()

Type	Parameter	Key	Value
PARAM_VALUE	1	map	4096-ptr_max
BUF_SIZE	1	map	(-1),16
BUF_SIZE	1	map	(-1),16
BUF_SIZE	1	map->vaddr	s32min-(-1),1-s32max
DATA_SOURCE	1	map	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		gem->resv
HALF_LOCKED2		obj->resv

drivers/gpu/drm/vmwgfx/vmwgfx_blit.c unmap_external() -> dma_buf_vunmap()

Type	Parameter	Key	Value
PARAM_VALUE	0	dmabuf->priv->db_attach->dmabuf->vmapping_counter	1-4294967295
PARAM_VALUE	0	dmabuf->priv->lock.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dmabuf->priv->lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	dmabuf->priv->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	dmabuf->priv->vmap_cnt	s32min-s32max
PARAM_VALUE	0	dmabuf->vmapping_counter	1-u32max
PARAM_VALUE	1	map	1793474305277300736,6370485984029310976
DATA_SOURCE	1	map	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/gpu/drm/vmwgfx/vmwgfx_gem.c vmw_gem_vmap() -> dma_buf_vunmap()

Type	Parameter	Key	Value
PARAM_VALUE	0	dmabuf	4096-ptr_max
PARAM_VALUE	0	dmabuf->ops->vmap	1-u64max
PARAM_VALUE	0	dmabuf->resv->lock.ww_class->is_wait_die	0-1
PARAM_VALUE	0	dmabuf->vmapping_counter	1-u32max
PARAM_VALUE	1	map	4096-ptr_max
PARAM_VALUE	1	map->is_iomem	1
BUF_SIZE	1	map	(-1),16
BUF_SIZE	1	map	(-1),16
DATA_SOURCE	1	map	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		obj->resv

drivers/gpu/drm/vmwgfx/vmwgfx_gem.c vmw_gem_vunmap() -> dma_buf_vunmap()

Type	Parameter	Key	Value
PARAM_VALUE	1	map	4096-ptr_max
BUF_SIZE	1	map	(-1),16
BUF_SIZE	1	map	(-1),16
BUF_SIZE	1	map->vaddr	s32min-(-1),1-s32max
DATA_SOURCE	1	map	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		gem->resv
HALF_LOCKED2		obj->resv

drivers/dma-buf/dma-buf.c dma_buf_vunmap_unlocked() -> dma_buf_vunmap()

Type	Parameter	Key	Value
PARAM_VALUE	0	dmabuf	4096-ptr_max
PARAM_VALUE	0	dmabuf->resv->lock.base.dep_map->name	0-255
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter	0,4096-5159360019465732095,5159360019465732097-ptr_max
PARAM_VALUE	0	dmabuf->resv->lock.base.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dmabuf->resv->lock.base.osq.tail.counter	0-s32max
PARAM_VALUE	0	dmabuf->resv->lock.ww_class->is_wait_die	0-s32max
PARAM_VALUE	1	map	4096-ptr_max
BUF_SIZE	0	dmabuf	(-1),361,536
BUF_SIZE	0	dmabuf	(-1),361,536
DATA_SOURCE	0	dmabuf	$0
DATA_SOURCE	1	map	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	dmabuf->size
LOCK2	0	dmabuf->resv
HALF_LOCKED2		&dev->object_name_lock
HALF_LOCKED2		&file_priv->prime.lock

drivers/gpu/drm/drm_gem_shmem_helper.c drm_gem_shmem_vunmap_locked() -> dma_buf_vunmap()

Type	Parameter	Key	Value
PARAM_VALUE	1	map	4096-ptr_max
BUF_SIZE	1	map->vaddr	s32min-(-1),1-s32max
DATA_SOURCE	1	map	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		bo->base.base.resv

drivers/accel/amdxdna/amdxdna_cbuf.c amdxdna_cbuf_clear() -> dma_buf_vunmap()

Type	Parameter	Key	Value
PARAM_VALUE	0	dmabuf	4096-ptr_max
PARAM_VALUE	0	dmabuf->attachments.next	4096-ptr_max
PARAM_VALUE	0	dmabuf->attachments.next->next	4096-ptr_max
PARAM_VALUE	0	dmabuf->attachments.prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->attachments.prev->next	4096-ptr_max
PARAM_VALUE	0	dmabuf->attachments.prev->prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->cb_in.active	0
PARAM_VALUE	0	dmabuf->cb_in.poll	4096-ptr_max
PARAM_VALUE	0	dmabuf->cb_out.active	0
PARAM_VALUE	0	dmabuf->cb_out.poll	4096-ptr_max
PARAM_VALUE	0	dmabuf->cb_out.poll->head.next	4096-ptr_max
PARAM_VALUE	0	dmabuf->cb_out.poll->head.prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->exp_name	1759724803726303232
PARAM_VALUE	0	dmabuf->file	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->__f_path.dentry	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->__f_path.mnt	0
PARAM_VALUE	0	dmabuf->file->f_cred	0,4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_ep	0
PARAM_VALUE	0	dmabuf->file->f_flags	0-18433,32770
PARAM_VALUE	0	dmabuf->file->f_inode	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_iocb_flags	0,2,16,18,131072,131074,131088,131090
PARAM_VALUE	0	dmabuf->file->f_mapping	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_mode	33554432,34078720-571342855
PARAM_VALUE	0	dmabuf->file->f_op	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_owner	0
PARAM_VALUE	0	dmabuf->file->f_path.dentry	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_pos	0
PARAM_VALUE	0	dmabuf->file->f_pos_lock.first_waiter	0
PARAM_VALUE	0	dmabuf->file->f_pos_lock.magic	4096-ptr_max
PARAM_VALUE	0	dmabuf->file->f_pos_lock.osq.tail.counter	0
PARAM_VALUE	0	dmabuf->file->f_pos_lock.owner.counter	0
PARAM_VALUE	0	dmabuf->file->f_ra.async_size	0
PARAM_VALUE	0	dmabuf->file->f_ra.mmap_miss	0
PARAM_VALUE	0	dmabuf->file->f_ra.order	0
PARAM_VALUE	0	dmabuf->file->f_ra.prev_pos	0
PARAM_VALUE	0	dmabuf->file->f_ra.ra_pages	0
PARAM_VALUE	0	dmabuf->file->f_ra.size	0
PARAM_VALUE	0	dmabuf->file->f_ra.start	0
PARAM_VALUE	0	dmabuf->file->f_ref.refcnt.counter	0
PARAM_VALUE	0	dmabuf->file->f_sb_err	0
PARAM_VALUE	0	dmabuf->file->f_security	0
PARAM_VALUE	0	dmabuf->file->f_wb_err	0
PARAM_VALUE	0	dmabuf->file->private_data	4096-ptr_max
PARAM_VALUE	0	dmabuf->list_node.next	4096-ptr_max
PARAM_VALUE	0	dmabuf->list_node.prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->ops	4802694494349729792
PARAM_VALUE	0	dmabuf->ops->attach	0
PARAM_VALUE	0	dmabuf->ops->map_dma_buf	990116052042153984
PARAM_VALUE	0	dmabuf->ops->release	4355526570504142848
PARAM_VALUE	0	dmabuf->ops->unmap_dma_buf	3890914563332542464
PARAM_VALUE	0	dmabuf->ops->vmap	1-u64max
PARAM_VALUE	0	dmabuf->owner	0
PARAM_VALUE	0	dmabuf->owner->refcnt.counter	0-s32max
PARAM_VALUE	0	dmabuf->owner->state	0-1,3-u32max
PARAM_VALUE	0	dmabuf->poll.head.next	4096-ptr_max
PARAM_VALUE	0	dmabuf->poll.head.next->next	4096-ptr_max
PARAM_VALUE	0	dmabuf->poll.head.prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->poll.head.prev->next	4096-ptr_max
PARAM_VALUE	0	dmabuf->poll.head.prev->prev	4096-ptr_max
PARAM_VALUE	0	dmabuf->priv	4096-ptr_max
PARAM_VALUE	0	dmabuf->resv	1-u64max
PARAM_VALUE	0	dmabuf->resv->lock.ww_class->is_wait_die	0-s32max
PARAM_VALUE	0	dmabuf->size	4096-u64max
PARAM_VALUE	0	dmabuf->vmapping_counter	1-u32max
PARAM_VALUE	1	map	1262467252500000768
PARAM_VALUE	1	map->vaddr	1-u64max
BUF_SIZE	0	dmabuf	361,536
BUF_SIZE	0	dmabuf	361,536
BUF_SIZE	0	dmabuf->exp_name	8
BUF_SIZE	0	dmabuf->ops	96
BUF_SIZE	0	dmabuf->priv	184
CAPPED_DATA	0	dmabuf->size	1
DATA_SOURCE	0	dmabuf	$0
STR_LEN	0	dmabuf->exp_name	7
BIT_INFO	0	dmabuf->size	0x0,0xfffffffffffff000
NOSPEC	0	dmabuf->size
TERMINATED	0	dmabuf->exp_name	1
NOCHECK_CALL
USER_DATA	0	dmabuf->file->f_flags	0-18433,32770
USER_DATA	0	dmabuf->file->f_mode	33554432,34078720-571342855[c]
USER_DATA	0	dmabuf->size	4096-u64max[c]