tb_cfg_write identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

drivers/thunderbolt/ctl.h, line 140 (as a prototype)

Defined in 1 files as a function:

drivers/thunderbolt/ctl.c, line 1137 (as a function)

Referenced in 1 files:

drivers/thunderbolt/tb.h
- line 691
- line 719

Smatch caller information:

drivers/thunderbolt/usb4.c tb_port_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	1	buffer	4096-ptr_max
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	4	space	1
PARAM_VALUE	6	length	0-16
BUF_SIZE	1	buffer	4,64
BUF_SIZE	1	buffer	4,64
CAPPED_DATA	6	length	1
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tb->lock

drivers/thunderbolt/usb4.c tb_sw_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	1	buffer	0,4096-ptr_max
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	3	port	0
PARAM_VALUE	4	space	2
PARAM_VALUE	5	offset	5,9,25-26
PARAM_VALUE	6	length	1-16
BUF_SIZE	1	buffer	(-1),4,64
BUF_SIZE	1	buffer	(-1),4,64
CAPPED_DATA	6	length	1
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
HARD_MAX	5	offset	26
RX_PATH
TASK_NOT_RUNNING
USER_PTR	1	buffer

drivers/thunderbolt/switch.c tb_port_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	1	buffer	4096-ptr_max
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	4	space	1,3
PARAM_VALUE	6	length	1-3
BUF_SIZE	1	buffer	4,8,12
BUF_SIZE	1	buffer	4,8,12
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
HARD_MAX	4	space	3
HARD_MAX	6	length	3
RX_PATH
TASK_NOT_RUNNING
UNITS	6	length	unit_array_size

drivers/thunderbolt/switch.c tb_sw_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	3	port	0
PARAM_VALUE	4	space	2
PARAM_VALUE	6	length	1-2,4
BUF_SIZE	1	buffer	4,12,16
BUF_SIZE	1	buffer	4,12,16
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
HARD_MAX	6	length	4
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&sw->tb->lock
HALF_LOCKED2		&tb->lock

drivers/thunderbolt/eeprom.c tb_sw_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	ctl	4096-ptr_max
PARAM_VALUE	0	ctl->request_queue_lock->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	1	buffer	4948005100561674240,5052735087039582208,8719767316612759552
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	3	port	0
PARAM_VALUE	4	space	2
PARAM_VALUE	5	offset	0-3,2147483652-u32max
PARAM_VALUE	6	length	1
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tb->lock

drivers/thunderbolt/tmu.c tb_port_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	ctl->frame_pool->dev->cma_area->alloc_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	ctl->frame_pool->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	ctl->frame_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	ctl->tx->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	buffer	408084347161681920,608573592852525056,5301498765301915648,7694236902405160960
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	4	space	1
PARAM_VALUE	6	length	1
BUF_SIZE	1	buffer	4
BUF_SIZE	1	buffer	4
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tb->lock

drivers/thunderbolt/tmu.c tb_sw_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	ctl->frame_pool->dev->cma_area->alloc_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	ctl->frame_pool->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	1	buffer	1992836366483488768,2645200654066470912,2744274013877784576,5031261870463950848,5804746179074412544,7028517951514439680,8968621572242538496
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	3	port	0
PARAM_VALUE	4	space	2
PARAM_VALUE	6	length	1-2
BUF_SIZE	1	buffer	4,8
BUF_SIZE	1	buffer	4,8
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
HARD_MAX	6	length	2
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tb->lock

drivers/thunderbolt/tunnel.c tb_port_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	ctl->frame_pool->dev->cma_area->alloc_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	ctl->frame_pool->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	ctl->frame_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	ctl->tx->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	buffer	1451930881703628800,2272424312896651264,8035034019373420544
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	4	space	1
PARAM_VALUE	6	length	1
BUF_SIZE	1	buffer	4
BUF_SIZE	1	buffer	4
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&sw->tb->lock
HALF_LOCKED2		&tb->lock

drivers/thunderbolt/clx.c tb_port_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	ctl->frame_pool->dev->cma_area->alloc_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	ctl->frame_pool->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	ctl->frame_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	ctl->tx->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	buffer	1366772952703950848,8363573054711894016
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	4	space	1
PARAM_VALUE	6	length	1
BUF_SIZE	1	buffer	4
BUF_SIZE	1	buffer	4
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&attr->mutex
HALF_LOCKED2		&tb->lock

drivers/thunderbolt/clx.c tb_sw_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	ctl->frame_pool->dev->cma_area->alloc_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	ctl->frame_pool->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	ctl->frame_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	ctl->tx->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	buffer	6454700610116911104
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	3	port	0
PARAM_VALUE	4	space	2
PARAM_VALUE	6	length	2
BUF_SIZE	1	buffer	8
BUF_SIZE	1	buffer	8
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
RX_PATH
TASK_NOT_RUNNING
UNITS	6	length	unit_array_size
HALF_LOCKED2		&attr->mutex
HALF_LOCKED2		&tb->lock

drivers/thunderbolt/lc.c tb_sw_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	1	buffer	4096-ptr_max
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	3	port	0
PARAM_VALUE	4	space	2
PARAM_VALUE	6	length	1
BUF_SIZE	1	buffer	4
BUF_SIZE	1	buffer	4
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&sw->tb->lock
HALF_LOCKED2		&tb->lock

drivers/thunderbolt/debugfs.c tb_port_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	1	buffer	16,4096-ptr_max
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	4	space	0-1,3
BUF_SIZE	1	buffer	4,8
BUF_SIZE	1	buffer	4,8
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
HARD_MAX	4	space	3
LOCK2		&tb->lock
TYPE_LOCK		(struct tb)->lock

drivers/thunderbolt/debugfs.c tb_sw_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	1	buffer	8232356891273908224
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	3	port	0
PARAM_VALUE	4	space	2
PARAM_VALUE	6	length	1
BUF_SIZE	1	buffer	4
BUF_SIZE	1	buffer	4
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
LOCK2		&tb->lock
TYPE_LOCK		(struct tb)->lock

drivers/thunderbolt/cap.c tb_sw_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	ctl->frame_pool->dev->cma_area->alloc_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	ctl->frame_pool->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	ctl->frame_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	ctl->tx->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	buffer	8106614253612593152
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	3	port	0
PARAM_VALUE	4	space	2
PARAM_VALUE	5	offset	38,42
PARAM_VALUE	6	length	1
BUF_SIZE	1	buffer	4
BUF_SIZE	1	buffer	4
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
FUZZY_MAX	5	offset	42
BIT_INFO	5	offset	0x22,0x3f
HARD_MAX	5	offset	42
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tb->lock

drivers/thunderbolt/path.c tb_port_write() -> tb_cfg_write()

Type	Parameter	Key	Value
PARAM_VALUE	1	buffer	4521178837502267392,4906224486140276736
PARAM_VALUE	2	route	0-9223372036854775807
PARAM_VALUE	4	space	0
PARAM_VALUE	6	length	2
BUF_SIZE	1	buffer	8
BUF_SIZE	1	buffer	8
DATA_SOURCE	1	buffer	$1
DATA_SOURCE	4	space	$2
DATA_SOURCE	5	offset	$3
DATA_SOURCE	6	length	$4
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tb->lock