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Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 7 files:

Smatch caller information:

drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c amdgpu_gem_prime_import() -> dma_buf_dynamic_attach()

Type Parameter Key Value
PARAM_VALUE 0 dmabuf 4096-ptr_max
PARAM_VALUE 0 dmabuf->resv 4096-ptr_max
PARAM_VALUE 0 dmabuf->resv->fences 0,4096-ptr_max
PARAM_VALUE 0 dmabuf->resv->fences->max_fences 0-4294967295
PARAM_VALUE 0 dmabuf->resv->lock.base.dep_map->name 0-255
PARAM_VALUE 0 dmabuf->resv->lock.base.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 dmabuf->resv->lock.base.first_waiter->task->blocked_lock.dep_map->name 0-255
PARAM_VALUE 0 dmabuf->resv->lock.base.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 dmabuf->resv->lock.base.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 dmabuf->resv->lock.ctx 0
PARAM_VALUE 2 importer_ops 204801736844693504
PARAM_VALUE 3 importer_priv 4096-ptr_max
BUF_SIZE 0 dmabuf s32min-(-1),1-s32max
BUF_SIZE 0 dmabuf s32min-(-1),1-s32max
CAPPED_DATA 0 dmabuf 1
CAPPED_DATA 0 dmabuf->resv->fences 1
DATA_SOURCE 0 dmabuf $1
DATA_SOURCE 3 importer_priv r amdgpu_dma_buf_create_obj
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 dmabuf->size 0-u64max
UNITS 1 dev unit_byte
HALF_LOCKED2 &dev->object_name_lock
HALF_LOCKED2 &file_priv->prime.lock
HALF_LOCKED2 &mem->lock
HALF_LOCKED2 &mem->process_info->lock
HALF_LOCKED2 &p->mutex

drivers/gpu/drm/virtio/virtgpu_prime.c virtgpu_gem_prime_import() -> dma_buf_dynamic_attach()

Type Parameter Key Value
PARAM_VALUE 0 dmabuf 4096-ptr_max
PARAM_VALUE 2 importer_ops 8418988896761581568
PARAM_VALUE 3 importer_priv 4096-ptr_max
BUF_SIZE 0 dmabuf s32min-(-2),1-s32max
BUF_SIZE 0 dmabuf s32min-(-2),1-s32max
BUF_SIZE 3 importer_priv 704
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/iommu/iommufd/pages.c iopt_map_dmabuf() -> dma_buf_dynamic_attach()

Type Parameter Key Value
PARAM_VALUE 0 dmabuf 4096-ptr_max
PARAM_VALUE 0 dmabuf->size 1-u64max
PARAM_VALUE 1 dev 0,4096-u64max
PARAM_VALUE 2 importer_ops 2379210461376409600
PARAM_VALUE 3 importer_priv 4096-ptr_max
BUF_SIZE 0 dmabuf s32min-(-2),1-s32max
BUF_SIZE 0 dmabuf s32min-(-2),1-s32max
BUF_SIZE 3 importer_priv 392
DATA_SOURCE 0 dmabuf $2
DATA_SOURCE 3 importer_priv $1

drivers/dma-buf/dma-buf.c dma_buf_attach() -> dma_buf_dynamic_attach()

Type Parameter Key Value
PARAM_VALUE 0 dmabuf->resv->lock.ww_class->is_wait_die 0-s32max
PARAM_VALUE 2 importer_ops 0
PARAM_VALUE 3 importer_priv 0
BUF_SIZE 0 dmabuf s32min-(-1),1-s32max
BUF_SIZE 0 dmabuf s32min-(-1),1-s32max
BUF_SIZE 1 dev (-1),1616
BUF_SIZE 1 dev (-1),1616
DATA_SOURCE 0 dmabuf $0
DATA_SOURCE 1 dev $1
NOSPEC 0 dmabuf->size
RX_PATH
TASK_NOT_RUNNING
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 1-u64max
UNITS 1 dev unit_byte
HALF_LOCKED2 &ctx->uring_lock
HALF_LOCKED2 &dev->lock
HALF_LOCKED2 &dev->object_name_lock
HALF_LOCKED2 &drm->object_name_lock
HALF_LOCKED2 &file_priv->prime.lock
HALF_LOCKED2 &priv->lock
HALF_LOCKED2 &vde->map_lock
HALF_LOCKED2 _T->lock

drivers/gpu/drm/xe/xe_dma_buf.c xe_gem_prime_import() -> dma_buf_dynamic_attach()

Type Parameter Key Value
PARAM_VALUE 0 dmabuf 4096-ptr_max
PARAM_VALUE 2 importer_ops 0,777066149015220224,1530196145994842112
PARAM_VALUE 3 importer_priv 0-ptr_max
BUF_SIZE 0 dmabuf s32min-(-2),1-s32max
BUF_SIZE 0 dmabuf s32min-(-2),1-s32max
BUF_SIZE 2 importer_ops (-1),16
BUF_SIZE 2 importer_ops (-1),16
BUF_SIZE 3 importer_priv 704
CAPPED_DATA 0 dmabuf 1
DATA_SOURCE 0 dmabuf $1
DATA_SOURCE 3 importer_priv r xe_dma_buf_create_obj
UNITS 1 dev unit_byte
HALF_LOCKED2 &dev->object_name_lock
HALF_LOCKED2 &file_priv->prime.lock

drivers/infiniband/core/umem_dmabuf.c ib_umem_dmabuf_get_with_dma_device() -> dma_buf_dynamic_attach()

Type Parameter Key Value
PARAM_VALUE 0 dmabuf 4096-ptr_max
PARAM_VALUE 2 importer_ops 4064490296843874304,7522312331719270400,7656496132324372480
PARAM_VALUE 3 importer_priv 4096-ptr_max
BUF_SIZE 0 dmabuf s32min-(-2),1-s32max
BUF_SIZE 0 dmabuf s32min-(-2),1-s32max
BUF_SIZE 2 importer_ops (-1),16
BUF_SIZE 2 importer_ops (-1),16
BUF_SIZE 3 importer_priv 160
DATA_SOURCE 0 dmabuf r dma_buf_get
DATA_SOURCE 1 dev $1
DATA_SOURCE 2 importer_ops $6
DATA_SOURCE 3 importer_priv r _kzalloc_noprof
RX_PATH
TASK_NOT_RUNNING
UNITS 1 dev unit_byte