Open Menu /

Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

drivers/dma/ioat/dma.c __ioat_restart_chan() -> __ioat_start_null_desc()

Type Parameter Key Value
PARAM_VALUE 0 ioat_chan 4096-ptr_max
PARAM_VALUE 0 ioat_chan->cleanup_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 ioat_chan->completion 4096-ptr_max
PARAM_VALUE 0 ioat_chan->dmacount 0
PARAM_VALUE 0 ioat_chan->ioat_dma 4096-ptr_max
PARAM_VALUE 0 ioat_chan->ioat_dma->pdev 4096-ptr_max
PARAM_VALUE 0 ioat_chan->prep_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 ioat_chan->ring 4096-ptr_max
PARAM_VALUE 0 ioat_chan->timer.entry->pprev 4096-ptr_max
PARAM_VALUE 0 ioat_chan->timer.entry.pprev 0,4096-ptr_max
CAPPED_DATA 0 &ioat_chan->timer 1
DATA_SOURCE 0 ioat_chan $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 0 ioat_chan->ioat_dma->cap 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->chancnt s32min-s32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.chan_ida.xa.xa_flags 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.chancnt 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.copy_align 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.desc_metadata_modes 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.descriptor_reuse 0-1
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.dev_id s32min-s32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.directions 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.dst_addr_widths 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.fill_align 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.filter.mapcnt s32min-s32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.max_burst 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.max_pq 0-u16max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.max_sg_burst 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.max_xor 0-u16max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.min_burst 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.pq_align 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.privatecnt 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.ref.refcount.refs.counter s32min-s32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.residue_granularity 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.src_addr_widths 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->dma_dev.xor_align 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->irq_mode 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->msixdata0 0-u64max
HOST_DATA 0 ioat_chan->ioat_dma->msixpba 0-u32max
HOST_DATA 0 ioat_chan->ioat_dma->msixtba0 0-u64max
HOST_DATA 0 ioat_chan->ioat_dma->version 0-255
LOCK2 0 &ioat_chan->cleanup_lock
HALF_LOCKED2 bh
HALF_LOCKED2 0 &ioat_chan->prep_lock
TYPE_LOCK (struct ioatdma_chan)->cleanup_lock

drivers/dma/ioat/dma.c ioat_start_null_desc() -> __ioat_start_null_desc()

Type Parameter Key Value
PARAM_VALUE 0 ioat_chan 4096-ptr_max
PARAM_VALUE 0 ioat_chan->alloc_order 16
PARAM_VALUE 0 ioat_chan->cleanup_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 ioat_chan->completion 4096-ptr_max
PARAM_VALUE 0 ioat_chan->head 0
PARAM_VALUE 0 ioat_chan->ioat_dma 4096-ptr_max
PARAM_VALUE 0 ioat_chan->ioat_dma->completion_pool 4096-ptr_max
PARAM_VALUE 0 ioat_chan->ioat_dma->completion_pool->dev->cma_area->alloc_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 ioat_chan->ioat_dma->completion_pool->dev->cma_area->nranges s32min-s32max
PARAM_VALUE 0 ioat_chan->ioat_dma->completion_pool->dev->dma_mem->spinlock.rlock.dep_map->name 0-255
PARAM_VALUE 0 ioat_chan->ioat_dma->completion_pool->dev->dma_uses_io_tlb 1
PARAM_VALUE 0 ioat_chan->ioat_dma->completion_pool->dev->iommu->pci_32bit_workaround 0-1
PARAM_VALUE 0 ioat_chan->ioat_dma->completion_pool->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 ioat_chan->ioat_dma->completion_pool->size 0-s32max
PARAM_VALUE 0 ioat_chan->issued 0
PARAM_VALUE 0 ioat_chan->prep_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 ioat_chan->ring 4096-ptr_max
PARAM_VALUE 0 ioat_chan->tail 0
BUF_SIZE 0 ioat_chan->ring 524288
CAPPED_DATA 0 ioat_chan->ioat_dma->completion_pool->size 1
DATA_SOURCE 0 ioat_chan $0
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 bh
LOCK2 0 &ioat_chan->prep_lock
HALF_LOCKED2 global &dma_list_mutex
TYPE_LOCK (struct ioatdma_chan)->prep_lock