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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

drivers/spi/spi-nxp-xspi.c dmaengine_prep_dma_memcpy() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 0 c->device->dev 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_io_tlb_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 c->device->dev->dma_io_tlb_pools.next->prev 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_io_tlb_pools.next->prev->prev 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_uses_io_tlb 1
PARAM_VALUE 0 c->device->device_prep_dma_memcpy 1-u64max
PARAM_VALUE 1 dma_dst 0-18446744073709551614
PARAM_VALUE 2 dma_src 0-18446744073709551614
PARAM_VALUE 4 flags 3
DATA_SOURCE 0 c $0
DATA_SOURCE 1 dma_dst $1
DATA_SOURCE 2 dma_src $2
DATA_SOURCE 3 len $3
DATA_SOURCE 4 flags $4
CONTAINER 0 -272-0+0 $(-1)
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 2 dma_src 0-18446744073709551614
HOST_DATA 3 len 0-u32max
USER_DATA 3 len 0-u32max
LOCK2 &mem->spi->controller->bus_lock_mutex
LOCK2 &mem->spi->controller->io_mutex
LOCK2 _T->lock
HALF_LOCKED2 &at25->lock
HALF_LOCKED2 &master->master.chrdev_lock
HALF_LOCKED2 &spinand->lock
TYPE_LOCK (struct spi_controller)->bus_lock_mutex
TYPE_LOCK (struct spi_controller)->io_mutex

crypto/async_tx/async_memcpy.c async_memcpy() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 3 len 1-s32max
PARAM_VALUE 4 flags 0-1,32-33
DATA_SOURCE 0 c r __async_tx_find_channel
DATA_SOURCE 3 len $4
FUZZY_MAX 4 flags 0
BIT_INFO 4 flags 0x0,0x21
BIT_INFO 4 flags 0x0,0x21

drivers/ntb/ntb_transport.c ntb_async_rx_submit() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 0 c->device->dev 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_mask 0,4096-ptr_max
PARAM_VALUE 1 dma_dst 0-18446744073709551614
PARAM_VALUE 2 dma_src 0-18446744073709551614
PARAM_VALUE 3 len 0-u32max
PARAM_VALUE 4 flags 1
CAPPED_DATA 3 len 1
CAPPED_DATA 3 len 1
RX_PATH

drivers/ntb/ntb_transport.c ntb_async_tx_submit() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 0 c->device->dev 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_mask 0,4096-ptr_max
PARAM_VALUE 2 dma_src 0-18446744073709551614
PARAM_VALUE 3 len 0-u32max
PARAM_VALUE 4 flags 1
CAPPED_DATA 3 len 1
CAPPED_DATA 3 len 1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 3 len 1-s32max[c]
NO_OVERFLOW_SIMPLE 3 len

sound/soc/intel/catpt/dsp.c dmaengine_prep_dma_memcpy() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->client_count 1-s32max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 0 c->device->device_config 1-u64max
PARAM_VALUE 0 c->device->device_prep_dma_memcpy 1-u64max
PARAM_VALUE 0 c->device->owner->state 0-1,3-u32max
PARAM_VALUE 0 c->device->ref.refcount.refs.counter (-1073741824),0-s32max
PARAM_VALUE 4 flags 2
DATA_SOURCE 0 c $0
DATA_SOURCE 1 dma_dst $1
DATA_SOURCE 2 dma_src $2
DATA_SOURCE 3 len $3
DATA_SOURCE 4 flags $4
CONTAINER 0 -272-0+0 $(-1)
RX_PATH
TASK_NOT_RUNNING

drivers/mtd/nand/raw/fsmc_nand.c dma_xfer() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_io_tlb_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 c->device->dev->dma_io_tlb_pools.next 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_io_tlb_pools.next->prev 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_io_tlb_pools.next->prev->prev 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_uses_io_tlb 1
PARAM_VALUE 0 c->device->dev->iommu->attach_deferred 0-1
PARAM_VALUE 0 c->device->dev->iommu->pci_32bit_workaround 0-1
PARAM_VALUE 3 len 0-s32max,18446744071562067968-u64max
PARAM_VALUE 4 flags 3
DATA_SOURCE 3 len $2
RX_PATH
TASK_NOT_RUNNING

drivers/spi/atmel-quadspi.c dmaengine_prep_dma_memcpy() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 0 c->device->device_prep_dma_memcpy 1-u64max
PARAM_VALUE 4 flags 3
DATA_SOURCE 0 c $0
DATA_SOURCE 1 dma_dst $1
DATA_SOURCE 2 dma_src $2
DATA_SOURCE 3 len $3
DATA_SOURCE 4 flags $4
CONTAINER 0 -272-0+0 $(-1)
RX_PATH
TASK_NOT_RUNNING
LOCK2 &mem->spi->controller->bus_lock_mutex
LOCK2 &mem->spi->controller->io_mutex
HALF_LOCKED2 &at25->lock
HALF_LOCKED2 &master->master.chrdev_lock
HALF_LOCKED2 &spinand->lock
HALF_LOCKED2 _T->lock
TYPE_LOCK (struct spi_controller)->bus_lock_mutex
TYPE_LOCK (struct spi_controller)->io_mutex

drivers/dma/ioat/init.c ioat_dma_self_test() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 1 dma_dst 0-18446744073709551614
PARAM_VALUE 2 dma_src 0-18446744073709551614
PARAM_VALUE 3 len 2000
PARAM_VALUE 4 flags 1
DATA_SOURCE 1 dma_dst r dma_map_single_attrs
DATA_SOURCE 2 dma_src r dma_map_single_attrs
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &pool->lock

drivers/ntb/test/ntb_perf.c dmaengine_prep_dma_memcpy() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 0 c->device->dev->iommu->pci_32bit_workaround 0-1
PARAM_VALUE 0 c->device->device_prep_dma_memcpy 1-u64max
PARAM_VALUE 0 c->router->dev->power.wakeirq->status 0-4294967295
PARAM_VALUE 2 dma_src 0-18446744073709551614
PARAM_VALUE 4 flags 3
CAPPED_DATA 3 len 1
CAPPED_DATA 3 len 1
DATA_SOURCE 0 c $0
DATA_SOURCE 1 dma_dst $1
DATA_SOURCE 2 dma_src $2
DATA_SOURCE 3 len $3
DATA_SOURCE 4 flags $4
CONTAINER 0 -272-0+0 $(-1)
HALF_LOCKED2 &pool->lock

drivers/mtd/hyperbus/hbmc-am654.c dmaengine_prep_dma_memcpy() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_io_tlb_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 c->device->dev->dma_io_tlb_pools.next 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_io_tlb_pools.next->prev 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_io_tlb_pools.next->prev->prev 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_uses_io_tlb 1
PARAM_VALUE 0 c->device->dev->iommu->pci_32bit_workaround 0-1
PARAM_VALUE 0 c->device->device_prep_dma_memcpy 1-u64max
PARAM_VALUE 1 dma_dst 0-18446744073709551614
PARAM_VALUE 3 len 1024-9223372036854775807
PARAM_VALUE 4 flags 3
DATA_SOURCE 0 c $0
DATA_SOURCE 1 dma_dst $1
DATA_SOURCE 2 dma_src $2
DATA_SOURCE 3 len $3
DATA_SOURCE 4 flags $4
CONTAINER 0 -272-0+0 $(-1)
NOSPEC 3 len
NOSPEC 3 len
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 3 len 1024-9223372036854775807[c]
USER_DATA 3 len 1024-9223372036854775807[c]
HALF_LOCKED2 &chip->mutex

drivers/gpu/drm/vc4/vc4_dsi.c dsi_dma_workaround_write() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 3 len 4
PARAM_VALUE 4 flags 0
CONTAINER 0 -272-0+0 $(-1)
RX_PATH
TASK_NOT_RUNNING

drivers/dma/dmatest.c dmatest_func() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->dev 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 4 flags 2-3
FUZZY_MAX 4 flags 3
BIT_INFO 4 flags 0x2,0x3
HARD_MAX 4 flags 3

drivers/spi/spi-cadence-quadspi.c dmaengine_prep_dma_memcpy() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_io_tlb_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 c->device->dev->dma_io_tlb_pools.next 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_io_tlb_pools.next->prev 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_io_tlb_pools.next->prev->prev 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_uses_io_tlb 1
PARAM_VALUE 0 c->device->dev->iommu->pci_32bit_workaround 0-1
PARAM_VALUE 0 c->device->device_prep_dma_memcpy 1-u64max
PARAM_VALUE 1 dma_dst 0-18446744073709551614
PARAM_VALUE 3 len 0-u32max
PARAM_VALUE 4 flags 3
DATA_SOURCE 0 c $0
DATA_SOURCE 1 dma_dst $1
DATA_SOURCE 2 dma_src $2
DATA_SOURCE 3 len $3
DATA_SOURCE 4 flags $4
CONTAINER 0 -272-0+0 $(-1)
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 3 len 0-u32max
USER_DATA 3 len 0-u32max
LOCK2 &mem->spi->controller->bus_lock_mutex
LOCK2 &mem->spi->controller->io_mutex
HALF_LOCKED2 &at25->lock
HALF_LOCKED2 &master->master.chrdev_lock
HALF_LOCKED2 &spinand->lock
HALF_LOCKED2 _T->lock
TYPE_LOCK (struct spi_controller)->bus_lock_mutex
TYPE_LOCK (struct spi_controller)->io_mutex

drivers/mtd/nand/raw/cadence-nand-controller.c dmaengine_prep_dma_memcpy() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_io_tlb_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 c->device->dev->dma_io_tlb_pools.next 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_io_tlb_pools.next->prev 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_io_tlb_pools.next->prev->prev 4096-ptr_max
PARAM_VALUE 0 c->device->dev->dma_uses_io_tlb 1
PARAM_VALUE 0 c->device->dev->iommu->pci_32bit_workaround 0-1
PARAM_VALUE 0 c->device->device_prep_dma_memcpy 1-u64max
PARAM_VALUE 4 flags 3
DATA_SOURCE 0 c $0
DATA_SOURCE 1 dma_dst $1
DATA_SOURCE 2 dma_src $2
DATA_SOURCE 3 len $3
DATA_SOURCE 4 flags $4
CONTAINER 0 -272-0+0 $(-1)

drivers/pci/endpoint/functions/pci-epf-test.c dmaengine_prep_dma_memcpy() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 0 c->device->device_prep_dma_memcpy 1-u64max
PARAM_VALUE 4 flags 3
DATA_SOURCE 0 c $0
DATA_SOURCE 1 dma_dst $1
DATA_SOURCE 2 dma_src $2
DATA_SOURCE 3 len $3
DATA_SOURCE 4 flags $4
CONTAINER 0 -272-0+0 $(-1)
HALF_LOCKED2 &pool->lock

drivers/spi/spi-ti-qspi.c dmaengine_prep_dma_memcpy() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 0 c->device->device_prep_dma_memcpy 1-u64max
PARAM_VALUE 3 len 0-s32max,18446744071562067968-u64max
PARAM_VALUE 4 flags 3
CAPPED_DATA 3 len 1
CAPPED_DATA 3 len 1
DATA_SOURCE 0 c $0
DATA_SOURCE 1 dma_dst $1
DATA_SOURCE 2 dma_src $2
DATA_SOURCE 3 len $3
DATA_SOURCE 4 flags $4
CONTAINER 0 -272-0+0 $(-1)
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 3 len 1-65536[c]
USER_DATA 3 len 1-65536[c]
LOCK2 &mem->spi->controller->bus_lock_mutex
LOCK2 &mem->spi->controller->io_mutex
LOCK2 &qspi->list_lock
HALF_LOCKED2 &at25->lock
HALF_LOCKED2 &master->master.chrdev_lock
HALF_LOCKED2 &spinand->lock
TYPE_LOCK (struct spi_controller)->bus_lock_mutex
TYPE_LOCK (struct spi_controller)->io_mutex
TYPE_LOCK (struct ti_qspi)->list_lock

drivers/gpu/drm/omapdrm/omap_dmm_tiler.c dmaengine_prep_dma_memcpy() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 0 c->device->device_prep_dma_memcpy 1-u64max
PARAM_VALUE 3 len 4
PARAM_VALUE 4 flags 0
DATA_SOURCE 0 c $0
DATA_SOURCE 1 dma_dst $1
DATA_SOURCE 2 dma_src $2
DATA_SOURCE 3 len $3
DATA_SOURCE 4 flags $4
CONTAINER 0 -272-0+0 $(-1)
RX_PATH
TASK_NOT_RUNNING
LOCK2 &dmm->wa_lock
LOCK2 flags
TYPE_LOCK (struct dmm)->wa_lock

drivers/mtd/nand/raw/atmel/nand-controller.c dmaengine_prep_dma_memcpy() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 0 c->device->device_prep_dma_memcpy 1-u64max
PARAM_VALUE 4 flags 3
DATA_SOURCE 0 c $0
DATA_SOURCE 1 dma_dst $1
DATA_SOURCE 2 dma_src $2
DATA_SOURCE 3 len $3
DATA_SOURCE 4 flags $4
CONTAINER 0 -272-0+0 $(-1)
RX_PATH
TASK_NOT_RUNNING

drivers/ata/pata_arasan_cf.c dma_xfer() -> (struct dma_device)->device_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 c 4096-ptr_max
PARAM_VALUE 0 c->client_count 1-s32max
PARAM_VALUE 0 c->device 4096-ptr_max
PARAM_VALUE 3 len 1-512
PARAM_VALUE 4 flags 1
CAPPED_DATA 3 len 1
DATA_SOURCE 1 dma_dst $2
DATA_SOURCE 2 dma_src $1
DATA_SOURCE 3 len $3
CONTAINER 0 -272-0+0 $(-1)
HALF_LOCKED2 &pool->lock