be_stream_do_io identifier - Linux source code next-20260811

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FIXME
- FIXME
  - next-20260811

Defined in 2 files as a function:

Referenced in 2 files:

Smatch caller information:

sound/xen/xen_snd_front.c xen_snd_front_stream_close() -> be_stream_do_io()

Type	Parameter	Key	Value
PARAM_VALUE	0	evtchnl	4096-ptr_max
DATA_SOURCE	0	evtchnl	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		_T->lock
HALF_LOCKED2		&runtime->buffer_mutex

sound/xen/xen_snd_front.c xen_snd_front_stream_prepare() -> be_stream_do_io()

Type	Parameter	Key	Value
PARAM_VALUE	0	evtchnl	4096-ptr_max
DATA_SOURCE	0	evtchnl	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		_T->lock

sound/xen/xen_snd_front.c xen_snd_front_stream_query_hw_param() -> be_stream_do_io()

Type	Parameter	Key	Value
PARAM_VALUE	0	evtchnl	4096-ptr_max
DATA_SOURCE	0	evtchnl	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		_T->lock
HALF_LOCKED2		&runtime->buffer_mutex
HALF_LOCKED2		&runtime->oss.params_lock

sound/xen/xen_snd_front.c xen_snd_front_stream_read() -> be_stream_do_io()

Type	Parameter	Key	Value
PARAM_VALUE	0	evtchnl	4096-ptr_max
DATA_SOURCE	0	evtchnl	$0
LOCK2		_T->lock

sound/xen/xen_snd_front.c xen_snd_front_stream_trigger() -> be_stream_do_io()

Type	Parameter	Key	Value
PARAM_VALUE	0	evtchnl	4096-ptr_max
DATA_SOURCE	0	evtchnl	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		_T->lock
HALF_LOCKED2		&substream->runtime->buffer_mutex
HALF_LOCKED2		&substream->self_group.lock
HALF_LOCKED2		&substream->self_group.mutex

sound/xen/xen_snd_front.c xen_snd_front_stream_write() -> be_stream_do_io()

Type	Parameter	Key	Value
PARAM_VALUE	0	evtchnl	4096-ptr_max
DATA_SOURCE	0	evtchnl	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		_T->lock

drivers/gpu/drm/xen/xen_drm_front.c xen_drm_front_dbuf_create() -> be_stream_do_io()

Type	Parameter	Key	Value
PARAM_VALUE	0	evtchnl	4096-ptr_max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.dep_map->name	0-255
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	req	4096-ptr_max
PARAM_VALUE	1	req->op.dbuf_create.bpp	0-4294967287
PARAM_VALUE	1	req->op.dbuf_create.dbuf_cookie	4096-18446744073709547520
PARAM_VALUE	1	req->operation	16
BUF_SIZE	0	evtchnl	320
BUF_SIZE	1	req	64
CAPPED_DATA	0	&evtchnl->u.req.req_io_lock	1
CAPPED_DATA	1	req->op.dbuf_create.height	1
DATA_SOURCE	1	req	r be_prepare_req
NOSPEC	1	req->op.dbuf_create.height
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	req->op.dbuf_create.bpp	1-4294967287[u]
USER_DATA	1	req->op.dbuf_create.height	1-s32max[c]
USER_DATA	1	req->op.dbuf_create.width	1-u32max[u]
NO_OVERFLOW_SIMPLE	1	req->op.dbuf_create.height
NO_OVERFLOW_SIMPLE	1	req->op.dbuf_create.width
LOCK2		&front_info->io_lock
LOCK2		flags
LOCK2	0	&evtchnl->u.req.req_io_lock
HALF_LOCKED2		&dev->object_name_lock
HALF_LOCKED2		&file_priv->prime.lock
TYPE_LOCK		(struct xen_drm_front_info)->io_lock

drivers/gpu/drm/xen/xen_drm_front.c xen_drm_front_dbuf_destroy() -> be_stream_do_io()

Type	Parameter	Key	Value
PARAM_VALUE	0	evtchnl	4096-ptr_max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.dep_map->name	0-255
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	req	4096-ptr_max
PARAM_VALUE	1	req->op.dbuf_destroy.dbuf_cookie	4096-18446744073709547520
PARAM_VALUE	1	req->operation	17
BUF_SIZE	0	evtchnl	320
BUF_SIZE	1	req	64
CAPPED_DATA	0	&evtchnl->u.req.req_io_lock	1
CAPPED_DATA	1	req->op.dbuf_destroy.dbuf_cookie	1
DATA_SOURCE	1	req	r be_prepare_req
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&front_info->io_lock
LOCK2		flags
LOCK2	0	&evtchnl->u.req.req_io_lock
HALF_LOCKED2		global &drm_unplug_srcu
TYPE_LOCK		(struct xen_drm_front_info)->io_lock

drivers/gpu/drm/xen/xen_drm_front.c xen_drm_front_fb_attach() -> be_stream_do_io()

Type	Parameter	Key	Value
PARAM_VALUE	0	evtchnl	4096-ptr_max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.dep_map->name	0-255
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	req	4096-ptr_max
PARAM_VALUE	1	req->op.fb_attach.fb_cookie	4096-18446744073709547520
PARAM_VALUE	1	req->op.fb_attach.height	1-u32max
PARAM_VALUE	1	req->op.fb_attach.width	1-u32max
PARAM_VALUE	1	req->operation	18
BUF_SIZE	0	evtchnl	320
BUF_SIZE	1	req	64
CAPPED_DATA	0	&evtchnl->u.req.req_io_lock	1
CAPPED_DATA	1	req->op.fb_attach.dbuf_cookie	1
CAPPED_DATA	1	req->op.fb_attach.height	1
CAPPED_DATA	1	req->op.fb_attach.width	1
DATA_SOURCE	1	req	r be_prepare_req
NOSPEC	1	req->op.fb_attach.height
NOSPEC	1	req->op.fb_attach.width
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	req->op.fb_attach.height	1-s32max[c]
USER_DATA	1	req->op.fb_attach.width	1-s32max[c]
LOCK2		&front_info->io_lock
LOCK2		flags
LOCK2	0	&evtchnl->u.req.req_io_lock
HALF_LOCKED2		&crtc->cursor->mutex
HALF_LOCKED2		&crtc->mutex
TYPE_LOCK		(struct xen_drm_front_info)->io_lock

drivers/gpu/drm/xen/xen_drm_front.c xen_drm_front_fb_detach() -> be_stream_do_io()

Type	Parameter	Key	Value
PARAM_VALUE	0	evtchnl	4096-ptr_max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.dep_map->name	0-255
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	req	4096-ptr_max
PARAM_VALUE	1	req->op.fb_detach.fb_cookie	4096-18446744073709547520
PARAM_VALUE	1	req->operation	19
BUF_SIZE	0	evtchnl	320
BUF_SIZE	1	req	64
CAPPED_DATA	0	&evtchnl->u.req.req_io_lock	1
DATA_SOURCE	1	req	r be_prepare_req
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&front_info->io_lock
LOCK2		flags
LOCK2		global &drm_unplug_srcu
LOCK2	0	&evtchnl->u.req.req_io_lock
TYPE_LOCK		(struct xen_drm_front_info)->io_lock

drivers/gpu/drm/xen/xen_drm_front.c xen_drm_front_mode_set() -> be_stream_do_io()

Type	Parameter	Key	Value
PARAM_VALUE	0	evtchnl	4096-ptr_max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.dep_map->name	0-255
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	req	4096-ptr_max
PARAM_VALUE	1	req->op.set_config.bpp	0-32,64
PARAM_VALUE	1	req->op.set_config.fb_cookie	0,4096-18446744073709547520
PARAM_VALUE	1	req->operation	20
BUF_SIZE	0	evtchnl	320
BUF_SIZE	1	req	64
CAPPED_DATA	0	&evtchnl->u.req.req_io_lock	1
DATA_SOURCE	1	req	r be_prepare_req
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&front_info->io_lock
LOCK2		flags
LOCK2		global &drm_unplug_srcu
LOCK2	0	&evtchnl->u.req.req_io_lock
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&state->dev->mode_config.connection_mutex
HALF_LOCKED2		&state->dev->mode_config.connection_mutex.mutex
TYPE_LOCK		(struct xen_drm_front_info)->io_lock

drivers/gpu/drm/xen/xen_drm_front.c xen_drm_front_page_flip() -> be_stream_do_io()

Type	Parameter	Key	Value
PARAM_VALUE	0	evtchnl	4096-ptr_max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.dep_map->name	0-255
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	evtchnl->u.req.req_io_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	req	4096-ptr_max
PARAM_VALUE	1	req->op.pg_flip.fb_cookie	1-u64max
PARAM_VALUE	1	req->operation	21
BUF_SIZE	0	evtchnl	320
BUF_SIZE	1	req	64
CAPPED_DATA	0	&evtchnl->u.req.req_io_lock	1
DATA_SOURCE	1	req	r be_prepare_req
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&front_info->io_lock
LOCK2		flags
LOCK2		global &drm_unplug_srcu
LOCK2	0	&evtchnl->u.req.req_io_lock
HALF_LOCKED2		irq
TYPE_LOCK		(struct xen_drm_front_info)->io_lock