Defined in 1 files as a function:
Referenced in 4 files:
- drivers/iommu/dma-iommu.c, line 601
- drivers/usb/chipidea/udc.c, line 564
- drivers/xen/swiotlb-xen.c, line 235
- kernel/dma/direct.c, line 701
Smatch caller information:
drivers/xen/swiotlb-xen.c xen_swiotlb_map_phys() -> dma_kmalloc_needs_bounce()
| 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->flags | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->power.wakeirq->status | 0-4294967295 |
| PARAM_VALUE | 2 | dir | 0-2,4-u32max |
| BUF_SIZE | 0 | dev | (-1),1616 |
| BUF_SIZE | 0 | dev | (-1),1616 |
| CAPPED_DATA | 0 | dev->cma_area->nranges | 1 |
| DATA_SOURCE | 0 | dev | $0 |
| DATA_SOURCE | 1 | size | $2 |
| DATA_SOURCE | 2 | dir | $3 |
| FUZZY_MAX | 2 | dir | 2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 1 | size | 0-12884905984[c] |
| USER_DATA | 1 | size | 0,4096-4294967296[c] |
| NO_OVERFLOW_SIMPLE | 0 | dev->cma_area->available_count |
drivers/usb/chipidea/udc.c sglist_get_invalid_entry() -> dma_kmalloc_needs_bounce()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 2 | dir | 1-2 |
| DATA_SOURCE | 0 | dev | $0 |
| FUZZY_MAX | 2 | dir | 2 |
| HARD_MAX | 2 | dir | 2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | dev | unit_byte |
| HALF_LOCKED2 | &ci->lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | hwep->lock |
drivers/iommu/dma-iommu.c dev_use_swiotlb() -> dma_kmalloc_needs_bounce()
| 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->power.wakeirq->status | 0-4294967295 |
| BUF_SIZE | 0 | dev | (-1),1616 |
| BUF_SIZE | 0 | dev | (-1),1616 |
| CAPPED_DATA | 0 | dev | 1 |
| DATA_SOURCE | 0 | dev | $0 |
| DATA_SOURCE | 1 | size | $1 |
| DATA_SOURCE | 2 | dir | $2 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 1 | size | 0-12884905984[c] |
| USER_DATA | 1 | size | 0,4096-4294967296[c] |
| NO_OVERFLOW_SIMPLE | 0 | dev->cma_area->available_count | |
| UNITS | 0 | dev | unit_byte |
| UNITS | 1 | size | unit_byte |
kernel/dma/direct.c dma_direct_map_phys() -> dma_kmalloc_needs_bounce()
| 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_mem | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dma_io_tlb_mem->force_bounce | 0 |
| PARAM_VALUE | 0 | dev->dma_mask | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->dma_range_map | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->flags | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->power.wakeirq->status | 0-4294967295 |
| PARAM_VALUE | 2 | dir | 0-2 |
| BUF_SIZE | 0 | dev | (-1),1616 |
| BUF_SIZE | 0 | dev | (-1),1616 |
| DATA_SOURCE | 0 | dev | $0 |
| DATA_SOURCE | 1 | size | $2 |
| DATA_SOURCE | 2 | dir | $3 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 1 | size | 0-s32max[c] |
| NO_OVERFLOW_SIMPLE | 0 | dev->cma_area->available_count | |
| NO_OVERFLOW_SIMPLE | 1 | size | |
| UNITS | 0 | dev | unit_byte |
| UNITS | 1 | size | unit_byte |