snd_pcm_lib_write identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

include/sound/pcm.h, line 1191 (as a function)

Referenced in 3 files:

Smatch caller information:

sound/core/pcm_native.c snd_pcm_ioctl_xferi_compat() -> snd_pcm_lib_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	substream	4096-ptr_max
PARAM_VALUE	0	substream->runtime	4096-ptr_max
PARAM_VALUE	0	substream->runtime->state	s32min-(-1),1-s32max
PARAM_VALUE	0	substream->stream	0-1
PARAM_VALUE	1	buf	0-u32max
CAPPED_DATA	0	substream->stream	1
DATA_SOURCE	0	substream	$0
USER_DATA	2	frames	0-u32max

sound/core/pcm_native.c snd_pcm_write() -> snd_pcm_lib_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	substream	4096-ptr_max
PARAM_VALUE	0	substream->runtime	4096-ptr_max
PARAM_VALUE	0	substream->runtime->state	s32min-(-1),1-7,9-s32max
DATA_SOURCE	1	buf	$1
DATA_SOURCE	2	frames	r bytes_to_frames
BIT_INFO	2	frames	0x0,0x7fffffffffffffff
BIT_INFO	2	frames	0x0,0x7fffffffffffffff
USER_DATA	2	frames	0-8000000000[c]

sound/core/pcm_native.c snd_pcm_xferi_frames_ioctl() -> snd_pcm_lib_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	substream	4096-ptr_max
PARAM_VALUE	0	substream->pcm	4096-ptr_max
PARAM_VALUE	0	substream->pcm->card	4096-ptr_max
PARAM_VALUE	0	substream->runtime	4096-ptr_max
PARAM_VALUE	0	substream->runtime->state	s32min-(-1),1-s32max
PARAM_VALUE	0	substream->stream	0
DATA_SOURCE	0	substream	$0
USER_DATA	2	frames	0-u64max

sound/core/oss/pcm_oss.c snd_pcm_oss_sync() -> snd_pcm_lib_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	substream	4096-ptr_max
PARAM_VALUE	0	substream->bp->hwrm_dma_pool->next_block->next_block	0
PARAM_VALUE	0	substream->group->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	substream->runtime->audio_tstamp_report.accuracy	0,42
PARAM_VALUE	0	substream->runtime->audio_tstamp_report.accuracy_report	1
PARAM_VALUE	0	substream->runtime->audio_tstamp_report.actual_type	0-2,5
PARAM_VALUE	0	substream->runtime->avail_max	1-u64max
PARAM_VALUE	0	substream->runtime->buffer_mutex.dep_map->name	0-255
PARAM_VALUE	0	substream->runtime->buffer_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	substream->runtime->buffer_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	substream->runtime->buffer_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	substream->runtime->buffer_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	substream->runtime->buffer_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	substream->runtime->buffer_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	substream->runtime->buffer_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	substream->runtime->driver_tstamp.tv_nsec	0-999999999
PARAM_VALUE	0	substream->runtime->oss.buffer_used	0
PARAM_VALUE	0	substream->runtime->oss.params_lock.dep_map->name	0-255
PARAM_VALUE	0	substream->runtime->oss.params_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	substream->runtime->oss.params_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	substream->runtime->oss.period_ptr	0
PARAM_VALUE	0	substream->runtime->oss.prepare	0
PARAM_VALUE	0	substream->runtime->private_data->gus->gf1.dma_data_pcm_last->ack	8441728080883621888
PARAM_VALUE	0	substream->runtime->private_data->gus->gf1.dma_data_pcm_last->addr	0,32-4294967295
PARAM_VALUE	0	substream->runtime->private_data->gus->gf1.dma_data_pcm_last->cmd	32,96,160,224
PARAM_VALUE	0	substream->runtime->private_data->gus->gf1.dma_data_pcm_last->next	0
PARAM_VALUE	0	substream->runtime->private_data->gus->gf1.dma_data_pcm_last->next->ack	8441728080883621888
PARAM_VALUE	0	substream->runtime->private_data->gus->gf1.dma_data_pcm_last->next->addr	0,32-4294967295
PARAM_VALUE	0	substream->runtime->private_data->gus->gf1.dma_data_pcm_last->next->cmd	32,96,160,224
PARAM_VALUE	0	substream->runtime->private_data->gus->gf1.dma_data_synth_last->next	0
PARAM_VALUE	0	substream->runtime->private_data->timer_instance.is_hard	0-1
PARAM_VALUE	0	substream->runtime->private_data->timer_instance.is_lazy	0-1
PARAM_VALUE	0	substream->runtime->private_data->timer_instance.is_queued	0-1
PARAM_VALUE	0	substream->runtime->private_data->timer_instance.is_soft	0-1
PARAM_VALUE	0	substream->runtime->status->state	4-5
PARAM_VALUE	0	substream->runtime->trigger_tstamp_latched	0
PARAM_VALUE	1	buf	0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	substream->runtime->private_data->core.tc.cycle_last	s64min-s64max
USER_DATA	0	*substream->runtime->oss.buffer	0-255
UNITS	2	frames	unit_byte
USER_PTR	0	substream->runtime->oss.buffer
LOCK2		&runtime->oss.params_lock
TYPE_LOCK		(struct snd_pcm_oss_runtime)->params_lock