snd_pcm_lib_malloc_pages identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

sound/core/pcm_memory.c, line 409

Defined in 1 files as a prototype:

include/sound/pcm.h, line 1317 (as a prototype)

Defined in 1 files as a function:

sound/core/pcm_memory.c, line 420 (as a function)

Referenced in 6 files:

Smatch caller information:

sound/pci/cs46xx/cs46xx_lib.c snd_cs46xx_capture_hw_params() -> snd_pcm_lib_malloc_pages()

Type	Parameter	Key	Value
PARAM_VALUE	0	substream	4096-ptr_max
PARAM_VALUE	0	substream->ops	4096-ptr_max
PARAM_VALUE	0	substream->ops->hw_params	1-u64max
PARAM_VALUE	0	substream->private_data	4096-ptr_max
PARAM_VALUE	0	substream->private_data->elapsed_period.lockdep_map->name	0-255
PARAM_VALUE	0	substream->private_data->stopped	0
PARAM_VALUE	0	substream->runtime	4096-ptr_max
PARAM_VALUE	0	substream->runtime->buffer_accessing.counter	0-s32max
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.osq.tail.counter	0-s32max
PARAM_VALUE	0	substream->runtime->periods	0-1,3-u32max
PARAM_VALUE	0	substream->runtime->private_data->data_endpoint->prepare_data_urb	0,4049760685819678720
PARAM_VALUE	0	substream->runtime->private_data->data_endpoint->state.counter	s32min-s32max
PARAM_VALUE	0	substream->runtime->private_data->dma_chan->completed_cookie	1
PARAM_VALUE	0	substream->runtime->private_data->dma_chan->cookie	1
PARAM_VALUE	0	substream->runtime->private_data->sync_endpoint->prepare_data_urb	0,4049760685819678720
PARAM_VALUE	0	substream->runtime->private_data->sync_endpoint->state.counter	s32min-s32max
PARAM_VALUE	0	substream->runtime->private_data->timer_instance.flags	0-4194302
PARAM_VALUE	0	substream->runtime->stop_operating	0
PARAM_VALUE	1	size	0-u32max
CAPPED_DATA	0	substream->runtime->hw_constraints.rules_num	1
DATA_SOURCE	0	substream	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		&runtime->buffer_mutex
TYPE_LOCK		(struct snd_pcm_runtime)->buffer_mutex

sound/pci/cs46xx/cs46xx_lib.c snd_cs46xx_playback_hw_params() -> snd_pcm_lib_malloc_pages()

Type	Parameter	Key	Value
PARAM_VALUE	0	substream	4096-ptr_max
PARAM_VALUE	0	substream->ops	4096-ptr_max
PARAM_VALUE	0	substream->ops->hw_params	1-u64max
PARAM_VALUE	0	substream->private_data	4096-ptr_max
PARAM_VALUE	0	substream->private_data->elapsed_period.lockdep_map->name	0-255
PARAM_VALUE	0	substream->private_data->stopped	0
PARAM_VALUE	0	substream->runtime	4096-ptr_max
PARAM_VALUE	0	substream->runtime->buffer_accessing.counter	0-s32max
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.osq.tail.counter	0-s32max
PARAM_VALUE	0	substream->runtime->private_data->data_endpoint->prepare_data_urb	0,4049760685819678720
PARAM_VALUE	0	substream->runtime->private_data->data_endpoint->state.counter	s32min-s32max
PARAM_VALUE	0	substream->runtime->private_data->dma_chan->completed_cookie	1
PARAM_VALUE	0	substream->runtime->private_data->dma_chan->cookie	1
PARAM_VALUE	0	substream->runtime->private_data->sync_endpoint->prepare_data_urb	0,4049760685819678720
PARAM_VALUE	0	substream->runtime->private_data->sync_endpoint->state.counter	s32min-s32max
PARAM_VALUE	0	substream->runtime->private_data->timer_instance.flags	0-4194302
PARAM_VALUE	0	substream->runtime->stop_operating	0
PARAM_VALUE	1	size	0-u32max
CAPPED_DATA	0	substream->runtime->hw_constraints.rules_num	1
DATA_SOURCE	0	substream	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		&runtime->buffer_mutex
LOCK2		_T->lock
TYPE_LOCK		(struct snd_pcm_runtime)->buffer_mutex

sound/pci/emu10k1/emupcm.c snd_emu10k1_playback_hw_params() -> snd_pcm_lib_malloc_pages()

Type	Parameter	Key	Value
PARAM_VALUE	0	substream	4096-ptr_max
PARAM_VALUE	0	substream->ops	4096-ptr_max
PARAM_VALUE	0	substream->ops->hw_params	1-u64max
PARAM_VALUE	0	substream->private_data	4096-ptr_max
PARAM_VALUE	0	substream->private_data->elapsed_period.lockdep_map->name	0-255
PARAM_VALUE	0	substream->private_data->stopped	0
PARAM_VALUE	0	substream->runtime	4096-ptr_max
PARAM_VALUE	0	substream->runtime->buffer_accessing.counter	0-s32max
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.osq.tail.counter	0-s32max
PARAM_VALUE	0	substream->runtime->private_data->data_endpoint->prepare_data_urb	0,4049760685819678720
PARAM_VALUE	0	substream->runtime->private_data->data_endpoint->state.counter	s32min-s32max
PARAM_VALUE	0	substream->runtime->private_data->dma_chan->completed_cookie	1
PARAM_VALUE	0	substream->runtime->private_data->dma_chan->cookie	1
PARAM_VALUE	0	substream->runtime->private_data->sync_endpoint->prepare_data_urb	0,4049760685819678720
PARAM_VALUE	0	substream->runtime->private_data->sync_endpoint->state.counter	s32min-s32max
PARAM_VALUE	0	substream->runtime->private_data->timer_instance.flags	0-4194302
PARAM_VALUE	0	substream->runtime->stop_operating	0
PARAM_VALUE	1	size	0-4294971391
CAPPED_DATA	0	substream->runtime->hw_constraints.rules_num	1
DATA_SOURCE	0	substream	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		&runtime->buffer_mutex
TYPE_LOCK		(struct snd_pcm_runtime)->buffer_mutex

sound/core/pcm_native.c snd_pcm_hw_params() -> snd_pcm_lib_malloc_pages()

Type	Parameter	Key	Value
PARAM_VALUE	0	substream	4096-ptr_max
PARAM_VALUE	0	substream->managed_buffer_alloc	1
PARAM_VALUE	0	substream->private_data->elapsed_period.lockdep_map->name	0-255
PARAM_VALUE	0	substream->private_data->stopped	0
PARAM_VALUE	0	substream->runtime	4096-ptr_max
PARAM_VALUE	0	substream->runtime->buffer_accessing.counter	0-s32max
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.osq.tail.counter	0-s32max
PARAM_VALUE	0	substream->runtime->private_data->data_endpoint->state.counter	s32min-s32max
PARAM_VALUE	0	substream->runtime->private_data->dma_chan->completed_cookie	1
PARAM_VALUE	0	substream->runtime->private_data->dma_chan->cookie	1
PARAM_VALUE	0	substream->runtime->private_data->sync_endpoint->state.counter	s32min-s32max
PARAM_VALUE	0	substream->runtime->private_data->timer.flags	0-4194302
PARAM_VALUE	0	substream->runtime->private_data->timer_instance.flags	0-4194302
PARAM_VALUE	0	substream->runtime->stop_operating	0
PARAM_VALUE	1	size	0-u32max
CAPPED_DATA	0	substream	1
CAPPED_DATA	0	substream->runtime->hw_constraints.rules_num	1
DATA_SOURCE	0	substream	$0
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	substream->runtime->trigger_master->f_flags	0-u32max
USER_DATA	0	*substream->runtime->oss.buffer	0-255
USER_PTR	0	substream->runtime->oss.buffer
LOCK2		&runtime->buffer_mutex
TYPE_LOCK		(struct snd_pcm_runtime)->buffer_mutex

sound/pci/rme9652/hdspm.c snd_hdspm_hw_params() -> snd_pcm_lib_malloc_pages()

Type	Parameter	Key	Value
PARAM_VALUE	0	substream	4096-ptr_max
PARAM_VALUE	0	substream->ops	4096-ptr_max
PARAM_VALUE	0	substream->ops->hw_params	1-u64max
PARAM_VALUE	0	substream->private_data	4096-ptr_max
PARAM_VALUE	0	substream->private_data->elapsed_period.lockdep_map->name	0-255
PARAM_VALUE	0	substream->private_data->stopped	0
PARAM_VALUE	0	substream->pstr	4096-ptr_max
PARAM_VALUE	0	substream->pstr->stream	0-1
PARAM_VALUE	0	substream->runtime	4096-ptr_max
PARAM_VALUE	0	substream->runtime->buffer_accessing.counter	0-s32max
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.osq.tail.counter	0-s32max
PARAM_VALUE	0	substream->runtime->private_data->data_endpoint->prepare_data_urb	0,4049760685819678720
PARAM_VALUE	0	substream->runtime->private_data->data_endpoint->state.counter	s32min-s32max
PARAM_VALUE	0	substream->runtime->private_data->dma_chan->completed_cookie	1
PARAM_VALUE	0	substream->runtime->private_data->dma_chan->cookie	1
PARAM_VALUE	0	substream->runtime->private_data->sync_endpoint->prepare_data_urb	0,4049760685819678720
PARAM_VALUE	0	substream->runtime->private_data->sync_endpoint->state.counter	s32min-s32max
PARAM_VALUE	0	substream->runtime->private_data->timer_instance.flags	0-4194302
PARAM_VALUE	0	substream->runtime->stop_operating	0
PARAM_VALUE	1	size	4194304
CAPPED_DATA	0	substream->runtime->hw_constraints.rules_num	1
DATA_SOURCE	0	substream	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		&runtime->buffer_mutex
TYPE_LOCK		(struct snd_pcm_runtime)->buffer_mutex

sound/soc/mediatek/mt8365/mt8365-afe-pcm.c mt8365_afe_fe_hw_params() -> snd_pcm_lib_malloc_pages()

Type	Parameter	Key	Value
PARAM_VALUE	0	substream	4096-ptr_max
PARAM_VALUE	1	size	1-u32max
BUF_SIZE	0	substream->runtime	(-1),1344
DATA_SOURCE	0	substream	$0
DATA_SOURCE	1	size	r params_buffer_bytes
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	substream->runtime->dma_buffer_p->addr	9223372036854788096-9223372036855042047[c]
USER_DATA	0	substream->runtime->dma_buffer_p->bytes	0,4096-4294967296[c]
USER_DATA	0	substream->runtime->trigger_master->f_flags	0-u32max
USER_DATA	0	*substream->runtime->oss.buffer	0-255
USER_PTR	0	substream->runtime->oss.buffer