Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/dma/mapping.c __dma_alloc_pages() -> dma_alloc_direct()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->coherent_dma_mask | 1-u64max |
| DATA_SOURCE | 0 | dev | $0 |
| PARAM_COMPARE | 0 | dev->dma_ops | <= $1 |
| PARAM_COMPARE | 1 | ops | >= $0->dma_ops |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | dev->cma_area->available_count | |
| UNITS | 0 | dev | unit_byte |
kernel/dma/mapping.c __dma_free_pages() -> dma_alloc_direct()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| BUF_SIZE | 0 | dev | (-1),1616 |
| BUF_SIZE | 0 | dev | (-1),1616 |
| DATA_SOURCE | 0 | dev | $0 |
| PARAM_COMPARE | 0 | dev->dma_ops | <= $1 |
| PARAM_COMPARE | 1 | ops | >= $0->dma_ops |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | dev->cma_area->available_count | |
| UNITS | 0 | dev | unit_byte |
kernel/dma/mapping.c dma_alloc_attrs() -> dma_alloc_direct()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| DATA_SOURCE | 0 | dev | $0 |
| PARAM_COMPARE | 0 | dev->dma_ops | <= $1 |
| PARAM_COMPARE | 1 | ops | >= $0->dma_ops |
kernel/dma/mapping.c dma_can_mmap() -> dma_alloc_direct()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| DATA_SOURCE | 0 | dev | $0 |
| PARAM_COMPARE | 0 | dev->dma_ops | <= $1 |
| PARAM_COMPARE | 1 | ops | >= $0->dma_ops |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | dev | unit_byte |
| HALF_LOCKED2 | &pcm->open_mutex |
kernel/dma/mapping.c dma_free_attrs() -> dma_alloc_direct()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| DATA_SOURCE | 0 | dev | $0 |
| PARAM_COMPARE | 0 | dev->dma_ops | <= $1 |
| PARAM_COMPARE | 1 | ops | >= $0->dma_ops |
kernel/dma/mapping.c dma_get_required_mask() -> dma_alloc_direct()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| BUF_SIZE | 0 | dev | (-1),1616 |
| BUF_SIZE | 0 | dev | (-1),1616 |
| DATA_SOURCE | 0 | dev | $0 |
| PARAM_COMPARE | 0 | dev->dma_ops | <= $1 |
| PARAM_COMPARE | 1 | ops | >= $0->dma_ops |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | dev | unit_byte |
kernel/dma/mapping.c dma_get_sgtable_attrs() -> dma_alloc_direct()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| BUF_SIZE | 0 | dev | (-1),1616 |
| BUF_SIZE | 0 | dev | (-1),1616 |
| DATA_SOURCE | 0 | dev | $0 |
| PARAM_COMPARE | 0 | dev->dma_ops | <= $1 |
| PARAM_COMPARE | 1 | ops | >= $0->dma_ops |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | dev | unit_byte |
| HALF_LOCKED2 | &ccdc->ioctl_lock | ||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | &stat->ioctl_lock | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | global &qdev_mutex |
kernel/dma/mapping.c dma_mmap_attrs() -> dma_alloc_direct()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| BUF_SIZE | 0 | dev | (-1),1616 |
| BUF_SIZE | 0 | dev | (-1),1616 |
| DATA_SOURCE | 0 | dev | $0 |
| PARAM_COMPARE | 0 | dev->dma_ops | <= $1 |
| PARAM_COMPARE | 1 | ops | >= $0->dma_ops |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | dev | unit_byte |
| HALF_LOCKED2 | &dev->attach_lock | ||
| HALF_LOCKED2 | &fbi->mm_lock | ||
| HALF_LOCKED2 | &file->device->disassociate_srcu | ||
| HALF_LOCKED2 | &file->disassociation_lock | ||
| HALF_LOCKED2 | &idev->info_lock | ||
| HALF_LOCKED2 | &info->mm_lock | ||
| HALF_LOCKED2 | &q->mutex |