Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 20 files:
- drivers/accel/amdxdna/amdxdna_gem.c, line 894
- drivers/accel/ivpu/ivpu_gem.c, line 220
- drivers/accel/qaic/qaic_data.c, line 853
- drivers/dma-buf/dma-buf.c, line 1066
- drivers/gpu/drm/armada/armada_gem.c, line 518
- drivers/gpu/drm/drm_gem_shmem_helper.c, line 967
- drivers/gpu/drm/drm_prime.c, line 990
- drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c, line 307
- drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c, line 290
- drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c, line 117
- drivers/gpu/drm/tegra/gem.c
- drivers/iio/industrialio-buffer.c, line 1719
- drivers/media/common/videobuf2/videobuf2-dma-contig.c, line 790
- drivers/media/common/videobuf2/videobuf2-dma-sg.c, line 636
- drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c, line 98
- drivers/misc/fastrpc.c, line 905
- drivers/usb/gadget/function/f_fs.c, line 1541
- drivers/xen/gntdev-dmabuf.c, line 580
- io_uring/zcrx.c, line 156
- net/core/devmem.c, line 237
Smatch caller information:
drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c tegra_vde_dmabuf_cache_map() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | dmabuf | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &vde->map_lock | ||
| TYPE_LOCK | (struct tegra_vde)->map_lock |
drivers/gpu/drm/tegra/gem.c tegra_bo_import() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 4096-ptr_max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| CAPPED_DATA | 0 | dmabuf | 1 |
| DATA_SOURCE | 0 | dmabuf | $1 |
| UNITS | 1 | dev | unit_byte |
| LOCK2 | &drm->object_name_lock | ||
| LOCK2 | &file_priv->prime.lock | ||
| HALF_LOCKED2 | &p->mutex | ||
| TYPE_LOCK | (struct drm_device)->object_name_lock | ||
| TYPE_LOCK | (struct drm_prime_file_private)->lock |
drivers/gpu/drm/tegra/gem.c tegra_bo_pin() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 1-u64max |
| BUF_SIZE | 1 | dev | (-1),1616 |
| BUF_SIZE | 1 | dev | (-1),1616 |
| DATA_SOURCE | 1 | dev | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &cache->lock | ||
| HALF_LOCKED2 | &fpriv->lock |
drivers/iio/industrialio-buffer.c iio_buffer_attach_dmabuf() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 0-ptr_max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| DATA_SOURCE | 0 | dmabuf | r dma_buf_get |
| UNITS | 1 | dev | unit_byte |
net/core/devmem.c net_devmem_bind_dmabuf() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 0-ptr_max |
| PARAM_VALUE | 1 | dev | 4096-ptr_max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| DATA_SOURCE | 1 | dev | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &dev->lock | ||
| LOCK2 | &priv->lock | ||
| HALF_LOCKED2 | &devlink->lock | ||
| HALF_LOCKED2 | &net->xfrm.xfrm_cfg_mutex | ||
| HALF_LOCKED2 | global &audit_cmd_mutex.lock | ||
| HALF_LOCKED2 | global &cb_lock | ||
| HALF_LOCKED2 | global &crypto_cfg_mutex | ||
| HALF_LOCKED2 | global &dpll_lock | ||
| HALF_LOCKED2 | global &hwsim_phys_lock | ||
| HALF_LOCKED2 | global &net_dm_mutex | ||
| HALF_LOCKED2 | global &rtnl_mutex | ||
| HALF_LOCKED2 | global &rx_queue_mutex | ||
| HALF_LOCKED2 | rcu_read | ||
| TYPE_LOCK | (struct netdev_nl_sock)->lock |
drivers/accel/amdxdna/amdxdna_gem.c amdxdna_gem_prime_import() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 4096-ptr_max |
| PARAM_VALUE | 0 | dmabuf->file | 4096-ptr_max |
| PARAM_VALUE | 0 | dmabuf->resv->lock.ww_class->is_wait_die | 0-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| CAPPED_DATA | 0 | dmabuf | 1 |
| DATA_SOURCE | 0 | dmabuf | $1 |
| NOSPEC | 0 | dmabuf->size | |
| USER_DATA | 0 | dmabuf->file->f_mode | 33554432,34078720-571342855[c] |
| USER_DATA | 0 | dmabuf->size | 4096-u64max[c] |
| NO_OVERFLOW_SIMPLE | 0 | dmabuf->size | |
| UNITS | 1 | dev | unit_byte |
| HALF_LOCKED2 | &dev->object_name_lock | ||
| HALF_LOCKED2 | &file_priv->prime.lock |
drivers/misc/fastrpc.c fastrpc_map_attach() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 0-ptr_max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| DATA_SOURCE | 0 | dmabuf | r dma_buf_get |
| RX_PATH | |||
| TASK_NOT_RUNNING |
drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c i915_gem_prime_import() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 4096-ptr_max |
| PARAM_VALUE | 0 | dmabuf->resv->lock.ww_class->is_wait_die | 0-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| CAPPED_DATA | 0 | dmabuf | 1 |
| DATA_SOURCE | 0 | dmabuf | $1 |
| NO_OVERFLOW_SIMPLE | 0 | dmabuf->size | |
| UNITS | 1 | dev | unit_byte |
| HALF_LOCKED2 | &dev->object_name_lock | ||
| HALF_LOCKED2 | &file_priv->prime.lock |
drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c igt_dmabuf_import_same_driver() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 4096-ptr_max |
| PARAM_VALUE | 0 | dmabuf->resv->lock.ww_class->is_wait_die | 0-1 |
| BUF_SIZE | 0 | dmabuf | 361,536 |
| BUF_SIZE | 0 | dmabuf | 361,536 |
| DATA_SOURCE | 0 | dmabuf | r i915_gem_prime_export |
| NO_OVERFLOW_SIMPLE | 0 | dmabuf->size | |
| UNITS | 1 | dev | unit_byte |
drivers/accel/ivpu/ivpu_gem.c ivpu_gem_prime_import() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 0-ptr_max |
| PARAM_VALUE | 0 | dmabuf->resv->lock.ww_class->is_wait_die | 0-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| CAPPED_DATA | 0 | dmabuf | 1 |
| DATA_SOURCE | 0 | dmabuf | $1 |
| USER_DATA | 0 | dmabuf->file->f_mode | 33554432,34078720-571342855[c] |
| USER_DATA | 0 | dmabuf->size | 1-u64max |
| UNITS | 1 | dev | unit_byte |
| HALF_LOCKED2 | &dev->object_name_lock | ||
| HALF_LOCKED2 | &file_priv->prime.lock |
io_uring/zcrx.c io_import_dmabuf() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 0-ptr_max |
| PARAM_VALUE | 1 | dev | 1-u64max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| DATA_SOURCE | 0 | dmabuf | r dma_buf_get |
| CAPABLE | 0 | 12 | |
| LOCK2 | &ctx->uring_lock | ||
| LOCK2 | _T->lock | ||
| HALF_LOCKED2 | &dev->lock | ||
| TYPE_LOCK | (struct io_ring_ctx)->uring_lock |
drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c omap_gem_prime_import() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 4096-ptr_max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| CAPPED_DATA | 0 | dmabuf | 1 |
| DATA_SOURCE | 0 | dmabuf | $1 |
| UNITS | 1 | dev | unit_byte |
| LOCK2 | &dev->object_name_lock | ||
| LOCK2 | &file_priv->prime.lock | ||
| HALF_LOCKED2 | &p->mutex | ||
| TYPE_LOCK | (struct drm_device)->object_name_lock | ||
| TYPE_LOCK | (struct drm_prime_file_private)->lock |
drivers/media/common/videobuf2/videobuf2-dma-sg.c vb2_dma_sg_attach_dmabuf() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 4096-ptr_max |
| PARAM_VALUE | 1 | dev | 1-u64max |
| DATA_SOURCE | 0 | dmabuf | $2 |
| DATA_SOURCE | 1 | dev | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mdev->req_queue_mutex | ||
| HALF_LOCKED2 | vb->vb2_queue->lock |
drivers/gpu/drm/drm_prime.c drm_gem_prime_import_dev() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 4096-ptr_max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| CAPPED_DATA | 0 | dmabuf | 1 |
| DATA_SOURCE | 0 | dmabuf | $1 |
| DATA_SOURCE | 1 | dev | $2 |
| LOCK2 | &dev->object_name_lock | ||
| LOCK2 | &file_priv->prime.lock | ||
| HALF_LOCKED2 | &p->mutex | ||
| TYPE_LOCK | (struct drm_device)->object_name_lock | ||
| TYPE_LOCK | (struct drm_prime_file_private)->lock |
drivers/media/common/videobuf2/videobuf2-dma-contig.c vb2_dc_attach_dmabuf() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 4096-ptr_max |
| PARAM_VALUE | 1 | dev | 1-u64max |
| DATA_SOURCE | 0 | dmabuf | $2 |
| DATA_SOURCE | 1 | dev | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mdev->req_queue_mutex | ||
| HALF_LOCKED2 | vb->vb2_queue->lock |
drivers/usb/gadget/function/f_fs.c ffs_dmabuf_attach() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 0-ptr_max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| DATA_SOURCE | 0 | dmabuf | r dma_buf_get |
| UNITS | 1 | dev | unit_byte |
drivers/accel/qaic/qaic_data.c qaic_gem_prime_import() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 4096-ptr_max |
| PARAM_VALUE | 0 | dmabuf->file | 4096-ptr_max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| CAPPED_DATA | 0 | dmabuf | 1 |
| DATA_SOURCE | 0 | dmabuf | $1 |
| UNITS | 1 | dev | unit_byte |
| LOCK2 | &dev->object_name_lock | ||
| LOCK2 | &file_priv->prime.lock | ||
| HALF_LOCKED2 | &p->mutex | ||
| TYPE_LOCK | (struct drm_device)->object_name_lock | ||
| TYPE_LOCK | (struct drm_prime_file_private)->lock |
drivers/gpu/drm/drm_gem_shmem_helper.c drm_gem_shmem_prime_import_no_map() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 4096-ptr_max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| CAPPED_DATA | 0 | dmabuf | 1 |
| DATA_SOURCE | 0 | dmabuf | $1 |
| UNITS | 1 | dev | unit_byte |
| LOCK2 | &dev->object_name_lock | ||
| LOCK2 | &file_priv->prime.lock | ||
| HALF_LOCKED2 | &p->mutex | ||
| TYPE_LOCK | (struct drm_device)->object_name_lock | ||
| TYPE_LOCK | (struct drm_prime_file_private)->lock |
drivers/xen/gntdev-dmabuf.c dmabuf_imp_to_refs() -> dma_buf_attach()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dmabuf | 0-ptr_max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dmabuf | s32min-(-2),1-s32max |
| DATA_SOURCE | 0 | dmabuf | r dma_buf_get |
| DATA_SOURCE | 1 | dev | $1 |