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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

drivers/xen/grant-dma-ops.c xen_grant_dma_alloc_pages() -> xen_grant_dma_alloc()

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->coherent_dma_mask 1-u64max
PARAM_VALUE 0 dev->flags 4096-ptr_max
PARAM_VALUE 0 dev->iommu_group->default_domain 0-s64max
PARAM_VALUE 1 size 0,4096-u64max
PARAM_VALUE 2 dma_handle 16,4096-ptr_max
PARAM_VALUE 3 gfp 0,64-u32max
PARAM_VALUE 4 attrs 0
CAPPED_DATA 3 gfp 1
DATA_SOURCE 0 dev $0
DATA_SOURCE 1 size $1
DATA_SOURCE 2 dma_handle $2
DATA_SOURCE 3 gfp $4
BIT_INFO 1 size 0x0,0xfffffffffffff000
BIT_INFO 1 size 0x0,0xfffffffffffff000
BIT_INFO 3 gfp 0x0,0xfffbfff8
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 size 0,4096-12884905984[c]
USER_DATA 1 size 0,4096-4294967296[c]
NO_OVERFLOW_SIMPLE 0 dev->cma_area->available_count
NO_OVERFLOW_SIMPLE 2 *dma_handle

kernel/dma/mapping.c dma_alloc_attrs() -> (struct dma_map_ops)->alloc()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 0 dev->dma_mem 0
PARAM_VALUE 0 dev->flags 4096-ptr_max
PARAM_VALUE 3 gfp 0,8-u32max
DATA_SOURCE 0 dev $0
DATA_SOURCE 1 size $1
DATA_SOURCE 2 dma_handle $2
DATA_SOURCE 3 gfp $3 [m]
DATA_SOURCE 4 attrs $4 [m]
BIT_INFO 3 gfp 0x0,0xfffbfff8
BIT_INFO 4 attrs 0x0,0xffffffffffffdfff
BIT_INFO 4 attrs 0x0,0xffffffffffffdfff