Defined in 1 files as a macro:
Defined in 2 files as a function:
- include/linux/dma-mapping.h, line 471 (as a function)
- include/linux/dma-mapping.h, line 497 (as a function)
Referenced in 4 files:
Smatch caller information:
sound/core/memalloc.c snd_dma_noncoherent_alloc() -> dma_need_sync()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->cma_area->alloc_mutex.first_waiter->list.prev->next | 5159360019465732096 |
| PARAM_VALUE | 0 | dev->cma_area->alloc_mutex.osq.tail.counter | 0-s32max |
| PARAM_VALUE | 0 | dev->cma_area->lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | dev->cma_area->nranges | s32min-s32max |
| PARAM_VALUE | 0 | dev->coherent_dma_mask | 1-u64max |
| PARAM_VALUE | 0 | dev->dma_io_tlb_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | dev->dma_io_tlb_mem->for_alloc | 0-1 |
| PARAM_VALUE | 0 | dev->dma_io_tlb_pools.next | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->dma_uses_io_tlb | 1 |
| CAPPED_DATA | 0 | dev | 1 |
| CAPPED_DATA | 0 | dev->cma_area->nranges | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 0 | dev->cma_area->available_count | 1-s64max[c] |
| HOST_DATA | 1 | dma_addr | 0-18446744073709551614 |
| NO_OVERFLOW_SIMPLE | 0 | dev->cma_area->available_count | |
| NO_OVERFLOW_SIMPLE | 1 | dma_addr | |
| UNITS | 0 | dev | unit_byte |
| UNITS | 1 | dma_addr | unit_byte |
sound/core/memalloc.c snd_dma_noncontig_alloc() -> dma_need_sync()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev->cma_area->alloc_mutex.first_waiter->list.prev->next | 5159360019465732096 |
| PARAM_VALUE | 0 | dev->cma_area->alloc_mutex.first_waiter->list.prev->prev | 5159360019465732096 |
| PARAM_VALUE | 0 | dev->cma_area->alloc_mutex.osq.tail.counter | 0-s32max |
| PARAM_VALUE | 0 | dev->cma_area->lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | dev->cma_area->nranges | s32min-s32max |
| PARAM_VALUE | 0 | dev->dma_io_tlb_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | dev->dma_io_tlb_mem->for_alloc | 0-1 |
| PARAM_VALUE | 0 | dev->dma_io_tlb_pools.next | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->dma_io_tlb_pools.next->prev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->dma_io_tlb_pools.next->prev->prev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->dma_uses_io_tlb | 1 |
| PARAM_VALUE | 0 | dev->iommu->pci_32bit_workaround | 0-1 |
| CAPPED_DATA | 0 | dev->cma_area->nranges | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 0 | dev->cma_area->available_count | 1-s64max[c] |
| NO_OVERFLOW_SIMPLE | 0 | dev->cma_area->available_count | |
| UNITS | 0 | dev | unit_byte |
| UNITS | 1 | dma_addr | unit_byte |
drivers/virtio/virtio_ring.c virtqueue_map_need_sync() -> dma_need_sync()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 1 | dma_addr | $1 |
net/smc/smc_ib.c smc_ib_is_sg_need_sync() -> dma_need_sync()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 1-u64max |
| PARAM_VALUE | 0 | dev->dma_io_tlb_pools.next->prev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->dma_io_tlb_pools.next->prev->prev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->iommu->pci_32bit_workaround | 0-1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | dev | unit_byte |
| UNITS | 1 | dma_addr | unit_byte |
| HALF_LOCKED2 | &lgr->llc_conf_mutex | ||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | lock |