Open Menu /

Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

drivers/dma/idxd/cdev.c idxd_cdev_open() -> idxd_wq_refcount()

Type Parameter Key Value
PARAM_VALUE 0 wq 4096-ptr_max
DATA_SOURCE 0 wq r inode_wq
RX_PATH
TASK_NOT_RUNNING

drivers/dma/idxd/cdev.c idxd_cdev_open() -> idxd_wq_refcount()

Type Parameter Key Value
PARAM_VALUE 0 wq 4096-ptr_max
CAPPED_DATA 0 &wq->wq_lock 1
DATA_SOURCE 0 wq r inode_wq
RX_PATH
TASK_NOT_RUNNING
LOCK2 0 &wq->wq_lock
TYPE_LOCK (struct idxd_wq)->wq_lock

drivers/dma/idxd/device.c idxd_drv_disable_wq() -> idxd_wq_refcount()

Type Parameter Key Value
PARAM_VALUE 0 wq 4096-ptr_max
BUF_SIZE 0 wq->wq (-1),512,528-8720
DATA_SOURCE 0 wq $0
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 wq->idxd->max_wqs
LOCK2 0 &wq->wq_lock
HALF_LOCKED2 &dev->mutex
HALF_LOCKED2 global &iaa_devices_lock
TYPE_LOCK (struct idxd_wq)->wq_lock

drivers/dma/idxd/device.c idxd_drv_disable_wq() -> idxd_wq_refcount()

Type Parameter Key Value
PARAM_VALUE 0 wq 4096-ptr_max
PARAM_VALUE 0 wq->client_count s32min-(-1),1-s32max
BUF_SIZE 0 wq->wq (-1),512,528-8720
DATA_SOURCE 0 wq $0
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 wq->idxd->max_wqs
LOCK2 0 &wq->wq_lock
HALF_LOCKED2 &dev->mutex
HALF_LOCKED2 global &iaa_devices_lock
TYPE_LOCK (struct idxd_wq)->wq_lock

drivers/dma/idxd/dma.c idxd_dma_alloc_chan_resources() -> idxd_wq_refcount()

Type Parameter Key Value
PARAM_VALUE 0 wq 4096-ptr_max
DATA_SOURCE 0 wq r to_idxd_wq
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 global &dma_list_mutex

drivers/dma/idxd/dma.c idxd_dma_free_chan_resources() -> idxd_wq_refcount()

Type Parameter Key Value
PARAM_VALUE 0 wq 4096-ptr_max
DATA_SOURCE 0 wq r to_idxd_wq
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 global &dma_list_mutex