Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

sound/virtio/virtio_pcm_ops.c virtsnd_pcm_dev_set_params() -> virtsnd_pcm_ctl_msg_alloc()

Type Parameter Key Value
PARAM_VALUE 0 vss 4096-ptr_max
PARAM_VALUE 0 vss->snd 4096-ptr_max
PARAM_VALUE 1 command 257
PARAM_VALUE 2 gfp 3264
BUF_SIZE 0 vss s32min-(-2),1-s32max
BUF_SIZE 0 vss s32min-(-2),1-s32max
DATA_SOURCE 0 vss $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 vss unit_byte
HALF_LOCKED2 &runtime->buffer_mutex

sound/virtio/virtio_pcm_ops.c virtsnd_pcm_prepare() -> virtsnd_pcm_ctl_msg_alloc()

Type Parameter Key Value
PARAM_VALUE 0 vss 4096-ptr_max
PARAM_VALUE 0 vss->msg_count 0
PARAM_VALUE 0 vss->snd 4096-ptr_max
PARAM_VALUE 0 vss->snd->ctl_msgs.prev 4096-ptr_max
PARAM_VALUE 0 vss->suspended 0
PARAM_VALUE 0 vss->xfer_xrun 0
PARAM_VALUE 1 command 258
PARAM_VALUE 2 gfp 3264
BUF_SIZE 0 vss s32min-(-2),1-s32max
BUF_SIZE 0 vss s32min-(-2),1-s32max
MEM_ZERO 0 &vss->pcm_indirect
RX_PATH
TASK_NOT_RUNNING
UNITS 0 vss unit_byte

sound/virtio/virtio_pcm_ops.c virtsnd_pcm_sync_stop() -> virtsnd_pcm_ctl_msg_alloc()

Type Parameter Key Value
PARAM_VALUE 0 vss 4096-ptr_max
PARAM_VALUE 0 vss->elapsed_period.lockdep_map->name 0-255
PARAM_VALUE 0 vss->stopped 1
PARAM_VALUE 1 command 259
PARAM_VALUE 2 gfp 3264
BUF_SIZE 0 vss s32min-(-2),1-s32max
BUF_SIZE 0 vss s32min-(-2),1-s32max
CAPPED_DATA 0 &vss->elapsed_period 1
RX_PATH
TASK_NOT_RUNNING
UNITS 0 vss unit_byte

sound/virtio/virtio_pcm_ops.c virtsnd_pcm_trigger() -> virtsnd_pcm_ctl_msg_alloc()

Type Parameter Key Value
PARAM_VALUE 0 vss 4096-ptr_max
PARAM_VALUE 0 vss->direction 0-1
PARAM_VALUE 0 vss->xfer_enabled 1
PARAM_VALUE 1 command 260
PARAM_VALUE 2 gfp 3264
BUF_SIZE 0 vss s32min-(-2),1-s32max
BUF_SIZE 0 vss s32min-(-2),1-s32max
RX_PATH
TASK_NOT_RUNNING
UNITS 0 vss unit_byte
HALF_LOCKED2 &substream->runtime->buffer_mutex
HALF_LOCKED2 &substream->self_group.lock
HALF_LOCKED2 &substream->self_group.mutex
HALF_LOCKED2 _T->lock

sound/virtio/virtio_pcm_ops.c virtsnd_pcm_trigger() -> virtsnd_pcm_ctl_msg_alloc()

Type Parameter Key Value
PARAM_VALUE 0 vss 4096-ptr_max
PARAM_VALUE 0 vss->stopped 1
PARAM_VALUE 0 vss->suspended 1
PARAM_VALUE 0 vss->xfer_enabled 0
PARAM_VALUE 1 command 261
PARAM_VALUE 2 gfp 3264
BUF_SIZE 0 vss s32min-(-2),1-s32max
BUF_SIZE 0 vss s32min-(-2),1-s32max
RX_PATH
TASK_NOT_RUNNING
UNITS 0 vss unit_byte
HALF_LOCKED2 &substream->runtime->buffer_mutex
HALF_LOCKED2 &substream->self_group.lock
HALF_LOCKED2 &substream->self_group.mutex
HALF_LOCKED2 _T->lock