Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 2 files:
Smatch caller information:
kernel/dma/direct.c __dma_direct_alloc_pages() -> dma_coherent_ok()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->cma_area | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->cma_area->alloc_mutex.dep_map->name | 0-255 |
| 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_mem | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->dma_io_tlb_mem->for_alloc | 0 |
| PARAM_VALUE | 0 | dev->dma_range_map | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->flags | 4096-ptr_max |
| PARAM_VALUE | 1 | phys | 0,4096-18446744073709547520 |
| PARAM_VALUE | 2 | size | 0,4096-u64max |
| CAPPED_DATA | 0 | dev->cma_area->nranges | 1 |
| CAPPED_DATA | 1 | phys | 1 |
| DATA_SOURCE | 0 | dev | $0 |
| DATA_SOURCE | 2 | size | $1 |
| BIT_INFO | 1 | phys | 0x0,0xfffffffffffff000 |
| BIT_INFO | 2 | size | 0x0,0xfffffffffffff000 |
| BIT_INFO | 2 | size | 0x0,0xfffffffffffff000 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 2 | size | 0,4096-12884905984[c] |
| USER_DATA | 2 | size | 0,4096-4294967296[c] |
| NO_OVERFLOW_SIMPLE | 0 | dev->cma_area->available_count | |
| UNITS | 0 | dev | unit_byte |
| UNITS | 2 | size | unit_byte |
kernel/dma/direct.c __dma_direct_alloc_pages() -> dma_coherent_ok()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->cma_area->nranges | s32min-s32max |
| PARAM_VALUE | 0 | dev->dma_io_tlb_mem | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->dma_io_tlb_mem->for_alloc | 0 |
| PARAM_VALUE | 0 | dev->dma_range_map | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->flags | 4096-ptr_max |
| PARAM_VALUE | 1 | phys | 0,4096-18446744073709547520 |
| PARAM_VALUE | 2 | size | 0,4096-u64max |
| CAPPED_DATA | 0 | dev->cma_area->nranges | 1 |
| CAPPED_DATA | 1 | phys | 1 |
| DATA_SOURCE | 0 | dev | $0 |
| DATA_SOURCE | 2 | size | $1 |
| BIT_INFO | 1 | phys | 0x0,0xfffffffffffff000 |
| BIT_INFO | 2 | size | 0x0,0xfffffffffffff000 |
| BIT_INFO | 2 | size | 0x0,0xfffffffffffff000 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 0 | dev->cma_area->available_count | 1-s64max[c] |
| HOST_DATA | 2 | size | 0,4096-12884905984[c] |
| USER_DATA | 2 | size | 0,4096-4294967296[c] |
| NO_OVERFLOW_SIMPLE | 0 | dev->cma_area->available_count | |
| UNITS | 0 | dev | unit_byte |
| UNITS | 2 | size | unit_byte |
kernel/dma/direct.c __dma_direct_alloc_pages() -> dma_coherent_ok()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->cma_area->nranges | s32min-s32max |
| PARAM_VALUE | 0 | dev->dma_io_tlb_mem | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->dma_io_tlb_mem->for_alloc | 0 |
| PARAM_VALUE | 0 | dev->dma_range_map | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->flags | 4096-ptr_max |
| PARAM_VALUE | 1 | phys | 0,4096-18446744073709547520 |
| PARAM_VALUE | 2 | size | 0,4096-u64max |
| CAPPED_DATA | 0 | dev->cma_area->nranges | 1 |
| CAPPED_DATA | 1 | phys | 1 |
| DATA_SOURCE | 0 | dev | $0 |
| DATA_SOURCE | 2 | size | $1 |
| BIT_INFO | 1 | phys | 0x0,0xfffffffffffff000 |
| BIT_INFO | 2 | size | 0x0,0xfffffffffffff000 |
| BIT_INFO | 2 | size | 0x0,0xfffffffffffff000 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 0 | dev->cma_area->available_count | 1-s64max[c] |
| HOST_DATA | 2 | size | 0,4096-12884905984[c] |
| USER_DATA | 2 | size | 0,4096-4294967296[c] |
| NO_OVERFLOW_SIMPLE | 0 | dev->cma_area->available_count | |
| UNITS | 0 | dev | unit_byte |
| UNITS | 2 | size | unit_byte |
kernel/dma/direct.c dma_direct_alloc_swiotlb() -> dma_coherent_ok()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->cma_area->available_count | 0-s64max |
| 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 | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->dma_io_tlb_mem->can_grow | 1 |
| PARAM_VALUE | 0 | dev->dma_io_tlb_mem->for_alloc | 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_parms | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dma_range_map | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dma_uses_io_tlb | 1 |
| PARAM_VALUE | 0 | dev->flags | 4096-ptr_max |
| PARAM_VALUE | 1 | phys | 0,4096-18446744073709547520 |
| PARAM_VALUE | 2 | size | 0,4096-262144 |
| CAPPED_DATA | 0 | dev->dma_io_tlb_mem->cc_shared | 1 |
| CAPPED_DATA | 1 | phys | 1 |
| DATA_SOURCE | 0 | dev | $0 |
| DATA_SOURCE | 2 | size | $1 |
| BIT_INFO | 1 | phys | 0x0,0xfffffffffffff000 |
| BIT_INFO | 2 | size | 0x0,0x7f000 |
| BIT_INFO | 2 | size | 0x0,0xfffffffffffff000 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 2 | size | 0,4096-262144[c] |
| USER_DATA | 2 | size | 0,4096-262144[c] |
| NO_OVERFLOW_SIMPLE | 0 | dev->cma_area->available_count | |
| UNITS | 0 | dev | unit_byte |
| UNITS | 2 | size | unit_byte |
kernel/dma/pool.c __dma_alloc_from_pool() -> __dma_alloc_from_pool param 4()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 1-u64max |
| DATA_SOURCE | 0 | dev | $0 |
| DATA_SOURCE | 1 | phys | r gen_pool_virt_to_phys |
| DATA_SOURCE | 2 | size | $1 |