tb_available_bandwidth identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

drivers/thunderbolt/tb.c, line 794

Defined in 1 files as a function:

drivers/thunderbolt/tb.c, line 815 (as a function)

Referenced in 1 files:

drivers/thunderbolt/tb.c

Smatch caller information:

drivers/thunderbolt/tb.c tb_alloc_dp_bandwidth() -> tb_available_bandwidth()

Type	Parameter	Key	Value
PARAM_VALUE	0	tb	4096-ptr_max
PARAM_VALUE	0	tb->root_switch	4096-ptr_max
PARAM_VALUE	1	src_port	4096-ptr_max
PARAM_VALUE	1	src_port->config.type	917761
PARAM_VALUE	1	src_port->sw	4096-ptr_max
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->cma_area->alloc_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->iommu->attach_deferred	0-1
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	1	src_port->sw->tb->ctl->tx->lock.rlock.dep_map->name	0-255
PARAM_VALUE	2	dst_port	4096-ptr_max
PARAM_VALUE	2	dst_port->sw	4096-ptr_max
PARAM_VALUE	3	available_up	7166363686453522432
PARAM_VALUE	4	available_down	5835535534605705216
PARAM_VALUE	5	include_asym	1
CAPPED_DATA	0	tb->root_switch	1
CAPPED_DATA	2	dst_port->sw->config.depth	1
LOCK2		&tb->lock
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct tb)->lock

drivers/thunderbolt/tb.c tb_recalc_estimated_bandwidth_for_group() -> tb_available_bandwidth()

Type	Parameter	Key	Value
PARAM_VALUE	1	src_port	4096-ptr_max
PARAM_VALUE	1	src_port->config.type	917761
PARAM_VALUE	1	src_port->sw->is_unplugged	0
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->cma_area->alloc_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->iommu->attach_deferred	0-1
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	1	src_port->sw->tb->ctl->tx->lock.rlock.dep_map->name	0-255
PARAM_VALUE	3	available_up	2783651769196564480
PARAM_VALUE	4	available_down	8722999447853043712
PARAM_VALUE	5	include_asym	1
CAPPED_DATA	1	src_port	1
CAPPED_DATA	1	&src_port->group_list	1
LOCK2		&tb->lock
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct tb)->lock

drivers/thunderbolt/tb.c tb_reclaim_usb3_bandwidth() -> tb_available_bandwidth()

Type	Parameter	Key	Value
PARAM_VALUE	0	tb	4096-ptr_max
PARAM_VALUE	0	tb->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	tb->root_switch	4096-ptr_max
PARAM_VALUE	3	available_up	4494657869373771776
PARAM_VALUE	4	available_down	6552876625665175552
PARAM_VALUE	5	include_asym	0
DATA_SOURCE	0	tb	$0
STR_LEN	0	tb	(-1),14,23
STR_LEN	0	tb	(-1),14,23
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tb->lock
HALF_LOCKED2	0	&tb->lock

drivers/thunderbolt/tb.c tb_tunnel_one_dp() -> tb_available_bandwidth()

Type	Parameter	Key	Value
PARAM_VALUE	0	tb	4096-ptr_max
PARAM_VALUE	0	tb->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	tb->lock.dep_map->name	0-255
PARAM_VALUE	0	tb->lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	tb->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	tb->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	tb->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	tb->lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	tb->lock.wait_lock.owner	(-1)
PARAM_VALUE	0	tb->lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	tb->privdata	4096-ptr_max
PARAM_VALUE	0	tb->root_switch	4096-ptr_max
PARAM_VALUE	1	src_port	4096-ptr_max
PARAM_VALUE	1	src_port->config.type	917761
PARAM_VALUE	1	src_port->group	1-u64max
PARAM_VALUE	1	src_port->group->index	1-7
PARAM_VALUE	1	src_port->group_list.next	4096-ptr_max
PARAM_VALUE	1	src_port->sw	4096-ptr_max
PARAM_VALUE	1	src_port->sw->dev.bus	0,4096-ptr_max
PARAM_VALUE	1	src_port->sw->dev.class	0,4096-ptr_max
PARAM_VALUE	1	src_port->sw->dev.power.request	0-4
PARAM_VALUE	1	src_port->sw->dev.power.runtime_error	s32min-(-17),(-15)-(-14),(-12),(-10)-s32max
PARAM_VALUE	1	src_port->sw->dev.power.wakeirq	0,4096-ptr_max
PARAM_VALUE	1	src_port->sw->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	1	src_port->sw->dev.type	0,4096-ptr_max
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->cma_area->alloc_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->dma_io_tlb_mem->dyn_alloc.flags	0-4294967295
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->dma_io_tlb_mem->dyn_alloc.is_hard	0-1
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->dma_io_tlb_mem->dyn_alloc.is_lazy	0-1
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->dma_io_tlb_mem->dyn_alloc.is_queued	0-1
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->dma_io_tlb_mem->dyn_alloc.is_soft	0-1
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->iommu->attach_deferred	0-1
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.osq.tail.counter	0-s32max
PARAM_VALUE	1	src_port->sw->tb->privdata->request_lock.dep_map->name	0-255
PARAM_VALUE	1	src_port->sw->tb->privdata->request_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	1	src_port->sw->tb->privdata->request_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	1	src_port->sw->tb->privdata->request_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	1	src_port->sw->tb->privdata->request_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	1	src_port->sw->tb->privdata->request_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	1	src_port->sw->tb->privdata->request_lock.osq.tail.counter	0-s32max
PARAM_VALUE	2	dst_port	4096-ptr_max
PARAM_VALUE	2	dst_port->config.type	917762
PARAM_VALUE	2	dst_port->sw	4096-ptr_max
PARAM_VALUE	2	dst_port->sw->dev.bus	0,4096-ptr_max
PARAM_VALUE	2	dst_port->sw->dev.class	0,4096-ptr_max
PARAM_VALUE	2	dst_port->sw->dev.power.request	0-4
PARAM_VALUE	2	dst_port->sw->dev.power.runtime_error	s32min-(-17),(-15)-(-14),(-12),(-10)-s32max
PARAM_VALUE	2	dst_port->sw->dev.power.wakeirq	0,4096-ptr_max
PARAM_VALUE	2	dst_port->sw->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	2	dst_port->sw->dev.type	0,4096-ptr_max
PARAM_VALUE	2	dst_port->sw->tb->ctl->request_queue_lock->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	2	dst_port->sw->tb->ctl->request_queue_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	2	dst_port->sw->tb->ctl->request_queue_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	2	dst_port->sw->tb->ctl->request_queue_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	2	dst_port->sw->tb->ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	3	available_up	7883393445479124992
PARAM_VALUE	4	available_down	4358337643150012416
PARAM_VALUE	5	include_asym	1
CAPPED_DATA	0	tb->root_switch	1
CAPPED_DATA	1	src_port	1
CAPPED_DATA	1	src_port->sw	1
CAPPED_DATA	2	dst_port->sw	1
CAPPED_DATA	2	dst_port->sw->config.depth	1
DATA_SOURCE	0	tb	$0
DATA_SOURCE	1	src_port	$1
DATA_SOURCE	2	dst_port	$2
STR_LEN	0	tb	(-1),14,23
STR_LEN	0	tb	(-1),14,23
LOCK2	0	&tb->lock
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct tb)->lock

drivers/thunderbolt/tb.c tb_tunnel_usb3() -> tb_available_bandwidth()

Type	Parameter	Key	Value
PARAM_VALUE	1	src_port	4096-ptr_max
PARAM_VALUE	1	src_port->config.type	2097409
PARAM_VALUE	1	src_port->sw	4096-ptr_max
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->cma_area->alloc_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->dev->iommu->attach_deferred	0-1
PARAM_VALUE	1	src_port->sw->tb->ctl->frame_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.dep_map->name	0-255
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	1	src_port->sw->tb->ctl->request_queue_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	1	src_port->sw->tb->ctl->tx->lock.rlock.dep_map->name	0-255
PARAM_VALUE	2	dst_port	4096-ptr_max
PARAM_VALUE	2	dst_port->config.type	2097410
PARAM_VALUE	3	available_up	8472992983479308288
PARAM_VALUE	4	available_down	8960461078816337920
PARAM_VALUE	5	include_asym	0
CAPPED_DATA	1	src_port	1
CAPPED_DATA	2	dst_port	1
DATA_SOURCE	0	tb	$0
DATA_SOURCE	1	src_port	r tb_find_usb3_down
DATA_SOURCE	2	dst_port	r tb_switch_find_port
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tb->lock