tb_switch_wait_for_bit identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

drivers/thunderbolt/switch.c, line 1716

Defined in 1 files as a prototype:

drivers/thunderbolt/tb.h, line 857 (as a prototype)

Defined in 1 files as a function:

drivers/thunderbolt/switch.c, line 1732 (as a function)

Referenced in 2 files:

Smatch caller information:

drivers/thunderbolt/usb4.c usb4_native_switch_op() -> tb_switch_wait_for_bit()

Type	Parameter	Key	Value
PARAM_VALUE	0	sw	4096-ptr_max
PARAM_VALUE	0	sw->dev.dma_io_tlb_mem->phys_limit	0-s64max
PARAM_VALUE	0	sw->dev.parent->kobj.release.wq->dfl_pwq	0-s64max
PARAM_VALUE	0	sw->dev.parent->kobj.release.wq->saved_max_active	s32min-s32max
PARAM_VALUE	0	sw->dev.parent->kobj.release.wq->saved_min_active	s32min-s32max
PARAM_VALUE	0	sw->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	sw->dma_port->base	0-4294967295
PARAM_VALUE	0	sw->is_unplugged	0
PARAM_VALUE	0	sw->nvm->vops->validate	0,4969815085320704000,8746475639591444480
PARAM_VALUE	0	sw->nvm->vops->write_headers	0,8395314951524048896
PARAM_VALUE	0	sw->tb	4096-ptr_max
PARAM_VALUE	0	sw->tb->cm_ops	4096-ptr_max
PARAM_VALUE	0	sw->tb->cm_ops->usb4_switch_op	0,4621816072277250048
PARAM_VALUE	0	sw->tb->ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	sw->tb->ctl->frame_pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	sw->tb->ctl->frame_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	sw->tb->ctl->tx->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	offset	26
PARAM_VALUE	2	bit	2147483648
PARAM_VALUE	3	value	0
PARAM_VALUE	4	timeout_msec	500
BUF_SIZE	0	sw	(-1),16
BUF_SIZE	0	sw	(-1),16
BUF_SIZE	0	sw->dev.parent	(-1),1616
BUF_SIZE	0	sw->tb	(-1),2304,3616
DATA_SOURCE	0	sw	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&of->mutex
HALF_LOCKED2	0	&sw->tb->lock

drivers/thunderbolt/usb4.c usb4_switch_configuration_valid() -> tb_switch_wait_for_bit()

Type	Parameter	Key	Value
PARAM_VALUE	0	sw	4096-ptr_max
PARAM_VALUE	0	sw->dev.parent->type	4096-ptr_max
PARAM_VALUE	0	sw->is_unplugged	0
PARAM_VALUE	0	sw->tb	4096-ptr_max
PARAM_VALUE	0	sw->tb->ctl	4096-ptr_max
PARAM_VALUE	0	sw->tb->ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	sw->tb->ctl->frame_pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	sw->tb->ctl->frame_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->frame_pool->next_block->next_block	0
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	sw->tb->ctl->tx->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sw->tmu.mode_request	0-4
PARAM_VALUE	1	offset	6
PARAM_VALUE	2	bit	33554432
PARAM_VALUE	3	value	33554432
PARAM_VALUE	4	timeout_msec	500
BUF_SIZE	0	sw	(-1),1968
BUF_SIZE	0	sw	(-1),1968
DATA_SOURCE	0	sw	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tb->lock

drivers/thunderbolt/usb4.c usb4_switch_set_sleep() -> tb_switch_wait_for_bit()

Type	Parameter	Key	Value
PARAM_VALUE	0	sw	4096-ptr_max
PARAM_VALUE	0	sw->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	sw->is_unplugged	0
PARAM_VALUE	0	sw->ports	4096-ptr_max
PARAM_VALUE	0	sw->tb	4096-ptr_max
PARAM_VALUE	0	sw->tb->ctl	4096-ptr_max
PARAM_VALUE	0	sw->tb->ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	sw->tb->ctl->frame_pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	sw->tb->ctl->frame_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->frame_pool->next_block->next_block	0
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	sw->tb->ctl->tx->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	offset	6
PARAM_VALUE	2	bit	1
PARAM_VALUE	3	value	1
PARAM_VALUE	4	timeout_msec	500
DATA_SOURCE	0	sw	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tb->lock

drivers/thunderbolt/usb4.c usb4_switch_setup() -> tb_switch_wait_for_bit()

Type	Parameter	Key	Value
PARAM_VALUE	0	sw	4096-ptr_max
PARAM_VALUE	0	sw->config.cmuv	16,32
PARAM_VALUE	0	sw->config.enabled	1
PARAM_VALUE	0	sw->config.plug_events_delay	255
PARAM_VALUE	0	sw->dev.parent	4096-ptr_max
PARAM_VALUE	0	sw->is_unplugged	0
PARAM_VALUE	0	sw->tb	4096-ptr_max
PARAM_VALUE	0	sw->tb->ctl	4096-ptr_max
PARAM_VALUE	0	sw->tb->ctl->frame_pool->dev->cma_area->alloc_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	sw->tb->ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	sw->tb->ctl->frame_pool->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	sw->tb->ctl->frame_pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	sw->tb->ctl->frame_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->frame_pool->next_block->next_block	0
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	sw->tb->ctl->tx->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	offset	6
PARAM_VALUE	2	bit	16777216
PARAM_VALUE	3	value	16777216
PARAM_VALUE	4	timeout_msec	500
BUF_SIZE	0	sw	(-1),1968
BUF_SIZE	0	sw	(-1),1968
BUF_SIZE	0	sw->dev.parent	(-1),1616
BUF_SIZE	0	sw->tb	(-1),2304,3616
DATA_SOURCE	0	sw	$0
FUZZY_MAX	0	sw->config.cmuv	32
BIT_INFO	0	sw->config.cmuv	0x0,0x30
HARD_MAX	0	sw->config.cmuv	32
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tb->lock

drivers/thunderbolt/switch.c tb_switch_pcie_bridge_write() -> tb_switch_wait_for_bit()

Type	Parameter	Key	Value
PARAM_VALUE	0	sw	4096-ptr_max
PARAM_VALUE	0	sw->config.device_id	5607,5610,5615
PARAM_VALUE	0	sw->config.vendor_id	32902
PARAM_VALUE	0	sw->dev.bus	0,4096-ptr_max
PARAM_VALUE	0	sw->dev.class	0,4096-ptr_max
PARAM_VALUE	0	sw->dev.parent	4096-ptr_max
PARAM_VALUE	0	sw->dev.parent->type	4096-ptr_max
PARAM_VALUE	0	sw->dev.power.request	0-4
PARAM_VALUE	0	sw->dev.power.runtime_error	s32min-(-17),(-15)-(-14),(-12),(-10)-s32max
PARAM_VALUE	0	sw->dev.power.wakeirq	0,4096-ptr_max
PARAM_VALUE	0	sw->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	sw->dev.type	0,4096-ptr_max
PARAM_VALUE	0	sw->generation	3
PARAM_VALUE	0	sw->is_unplugged	0
PARAM_VALUE	0	sw->tb	4096-ptr_max
PARAM_VALUE	0	sw->tb->ctl	4096-ptr_max
PARAM_VALUE	0	sw->tb->ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	sw->tb->ctl->frame_pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	sw->tb->ctl->frame_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	sw->tb->ctl->request_queue_lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	sw->tb->ctl->tx->lock.rlock.dep_map->name	0-255
PARAM_VALUE	2	bit	1073741824
PARAM_VALUE	3	value	0
PARAM_VALUE	4	timeout_msec	100
DATA_SOURCE	0	sw	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		&of->mutex
LOCK2		&tb->lock
LOCK2	0	&sw->tb->lock
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct kernfs_open_file)->mutex
TYPE_LOCK		(struct tb)->lock