ehci_qh_alloc identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/usb/host/ehci-mem.c, line 67 (as a function)

Referenced in 2 files:

Smatch caller information:

drivers/usb/host/ehci-hcd.c ehci_mem_init() -> ehci_qh_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	ehci	4096-ptr_max
PARAM_VALUE	0	ehci->async_idle.next	4096-ptr_max
PARAM_VALUE	0	ehci->async_idle.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->async_idle.prev	4096-ptr_max
PARAM_VALUE	0	ehci->async_idle.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->async_idle.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->async_unlink.next	4096-ptr_max
PARAM_VALUE	0	ehci->async_unlink.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->async_unlink.prev	4096-ptr_max
PARAM_VALUE	0	ehci->async_unlink.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->async_unlink.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->cached_itd_list.next	4096-ptr_max
PARAM_VALUE	0	ehci->cached_itd_list.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->cached_itd_list.prev	4096-ptr_max
PARAM_VALUE	0	ehci->cached_itd_list.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->cached_itd_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->cached_sitd_list.next	4096-ptr_max
PARAM_VALUE	0	ehci->cached_sitd_list.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->cached_sitd_list.prev	4096-ptr_max
PARAM_VALUE	0	ehci->cached_sitd_list.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->cached_sitd_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->caps	4096-ptr_max
PARAM_VALUE	0	ehci->hrtimer._softexpires	0
PARAM_VALUE	0	ehci->hrtimer.base	4096-ptr_max
PARAM_VALUE	0	ehci->hrtimer.function	1-u64max
PARAM_VALUE	0	ehci->hrtimer.is_hard	0
PARAM_VALUE	0	ehci->hrtimer.is_lazy	0
PARAM_VALUE	0	ehci->hrtimer.is_queued	0
PARAM_VALUE	0	ehci->hrtimer.is_rel	0
PARAM_VALUE	0	ehci->hrtimer.is_soft	0
PARAM_VALUE	0	ehci->hrtimer.node.expires	0
PARAM_VALUE	0	ehci->hrtimer.node.node.next	0
PARAM_VALUE	0	ehci->hrtimer.node.node.node.rb_left	0
PARAM_VALUE	0	ehci->hrtimer.node.node.node.rb_right	0
PARAM_VALUE	0	ehci->hrtimer.node.node.prev	0
PARAM_VALUE	0	ehci->intr_qh_list.next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_qh_list.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_qh_list.prev	4096-ptr_max
PARAM_VALUE	0	ehci->intr_qh_list.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_qh_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink.next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink.prev	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink_wait.next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink_wait.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink_wait.prev	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink_wait.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink_wait.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->need_io_watchdog	1
PARAM_VALUE	0	ehci->next_hrtimer_event	99
PARAM_VALUE	0	ehci->periodic_size	512,1024
PARAM_VALUE	0	ehci->qh_pool	4096-ptr_max
PARAM_VALUE	0	ehci->qtd_pool	4096-ptr_max
PARAM_VALUE	0	ehci->tt_list.next	4096-ptr_max
PARAM_VALUE	0	ehci->tt_list.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->tt_list.prev	4096-ptr_max
PARAM_VALUE	0	ehci->tt_list.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->tt_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->uframe_periodic_max	100
PARAM_VALUE	1	flags	3264
BUF_SIZE	0	ehci->qh_pool	192
BUF_SIZE	0	ehci->qtd_pool	192
CAPPED_DATA	0	ehci->qh_pool->allocation	1
CAPPED_DATA	0	ehci->qh_pool->boundary	1
CAPPED_DATA	0	ehci->qh_pool->size	1
CAPPED_DATA	0	ehci->qtd_pool->allocation	1
CAPPED_DATA	0	ehci->qtd_pool->boundary	1
CAPPED_DATA	0	ehci->qtd_pool->size	1
DATA_SOURCE	0	ehci	$0
DATA_SOURCE	1	flags	$1
FUZZY_MAX	0	ehci->periodic_size	1024
BIT_INFO	0	ehci->periodic_size	0x0,0x600
HARD_MAX	0	ehci->periodic_size	1024
MEM_ZERO	0	&ehci->hrtimer

drivers/usb/host/ehci-hcd.c ehci_mem_init() -> ehci_qh_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	ehci	4096-ptr_max
PARAM_VALUE	0	ehci->async	4096-ptr_max
PARAM_VALUE	0	ehci->async->dummy	4096-ptr_max
PARAM_VALUE	0	ehci->async->dummy->hw_alt_next	1
PARAM_VALUE	0	ehci->async->dummy->hw_next	1
PARAM_VALUE	0	ehci->async->dummy->hw_token	64
PARAM_VALUE	0	ehci->async->dummy->qtd_list.next	4096-ptr_max
PARAM_VALUE	0	ehci->async->dummy->qtd_list.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->async->dummy->qtd_list.prev	4096-ptr_max
PARAM_VALUE	0	ehci->async->dummy->qtd_list.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->async->dummy->qtd_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->async->hw	4096-ptr_max
PARAM_VALUE	0	ehci->async->qtd_list.next	4096-ptr_max
PARAM_VALUE	0	ehci->async->qtd_list.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->async->qtd_list.prev	4096-ptr_max
PARAM_VALUE	0	ehci->async->qtd_list.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->async->qtd_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->async->unlink_node.next	4096-ptr_max
PARAM_VALUE	0	ehci->async->unlink_node.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->async->unlink_node.prev	4096-ptr_max
PARAM_VALUE	0	ehci->async->unlink_node.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->async->unlink_node.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->async_idle.next	4096-ptr_max
PARAM_VALUE	0	ehci->async_idle.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->async_idle.prev	4096-ptr_max
PARAM_VALUE	0	ehci->async_idle.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->async_idle.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->async_unlink.next	4096-ptr_max
PARAM_VALUE	0	ehci->async_unlink.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->async_unlink.prev	4096-ptr_max
PARAM_VALUE	0	ehci->async_unlink.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->async_unlink.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->cached_itd_list.next	4096-ptr_max
PARAM_VALUE	0	ehci->cached_itd_list.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->cached_itd_list.prev	4096-ptr_max
PARAM_VALUE	0	ehci->cached_itd_list.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->cached_itd_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->cached_sitd_list.next	4096-ptr_max
PARAM_VALUE	0	ehci->cached_sitd_list.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->cached_sitd_list.prev	4096-ptr_max
PARAM_VALUE	0	ehci->cached_sitd_list.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->cached_sitd_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->caps	4096-ptr_max
PARAM_VALUE	0	ehci->hrtimer._softexpires	0
PARAM_VALUE	0	ehci->hrtimer.base	4096-ptr_max
PARAM_VALUE	0	ehci->hrtimer.function	1-u64max
PARAM_VALUE	0	ehci->hrtimer.is_hard	0
PARAM_VALUE	0	ehci->hrtimer.is_lazy	0
PARAM_VALUE	0	ehci->hrtimer.is_queued	0
PARAM_VALUE	0	ehci->hrtimer.is_rel	0
PARAM_VALUE	0	ehci->hrtimer.is_soft	0
PARAM_VALUE	0	ehci->hrtimer.node.expires	0
PARAM_VALUE	0	ehci->hrtimer.node.node.next	0
PARAM_VALUE	0	ehci->hrtimer.node.node.node.rb_left	0
PARAM_VALUE	0	ehci->hrtimer.node.node.node.rb_right	0
PARAM_VALUE	0	ehci->hrtimer.node.node.prev	0
PARAM_VALUE	0	ehci->intr_qh_list.next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_qh_list.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_qh_list.prev	4096-ptr_max
PARAM_VALUE	0	ehci->intr_qh_list.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_qh_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink.next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink.prev	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink_wait.next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink_wait.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink_wait.prev	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink_wait.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->intr_unlink_wait.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->itd_pool	4096-ptr_max
PARAM_VALUE	0	ehci->need_io_watchdog	1
PARAM_VALUE	0	ehci->next_hrtimer_event	99
PARAM_VALUE	0	ehci->periodic	1-ptr_max
PARAM_VALUE	0	ehci->periodic_size	512,1024
PARAM_VALUE	0	ehci->qh_pool	4096-ptr_max
PARAM_VALUE	0	ehci->qh_pool->dev->cma_area->alloc_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	ehci->qh_pool->dev->cma_area->alloc_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	ehci->qh_pool->dev->cma_area->alloc_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	ehci->qh_pool->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	ehci->qh_pool->dev->dma_mem->spinlock.rlock.dep_map->name	0-255
PARAM_VALUE	0	ehci->qh_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	ehci->qh_pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	ehci->qh_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	ehci->qh_pool->size	0-s32max
PARAM_VALUE	0	ehci->qtd_pool	4096-ptr_max
PARAM_VALUE	0	ehci->qtd_pool->dev->cma_area->alloc_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	ehci->qtd_pool->dev->cma_area->alloc_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	ehci->qtd_pool->dev->cma_area->alloc_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	ehci->qtd_pool->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	ehci->qtd_pool->dev->dma_mem->spinlock.rlock.dep_map->name	0-255
PARAM_VALUE	0	ehci->qtd_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	ehci->qtd_pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	ehci->qtd_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	ehci->qtd_pool->size	0-s32max
PARAM_VALUE	0	ehci->sitd_pool	4096-ptr_max
PARAM_VALUE	0	ehci->tt_list.next	4096-ptr_max
PARAM_VALUE	0	ehci->tt_list.next->next	4096-ptr_max
PARAM_VALUE	0	ehci->tt_list.prev	4096-ptr_max
PARAM_VALUE	0	ehci->tt_list.prev->next	4096-ptr_max
PARAM_VALUE	0	ehci->tt_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	ehci->uframe_periodic_max	100
PARAM_VALUE	0	ehci->use_dummy_qh	1
PARAM_VALUE	1	flags	3264
BUF_SIZE	0	ehci->async	144
BUF_SIZE	0	ehci->itd_pool	192
BUF_SIZE	0	ehci->periodic	2048,4096
BUF_SIZE	0	ehci->qh_pool	192
BUF_SIZE	0	ehci->qtd_pool	192
BUF_SIZE	0	ehci->sitd_pool	192
CAPPED_DATA	0	ehci->itd_pool->allocation	1
CAPPED_DATA	0	ehci->itd_pool->boundary	1
CAPPED_DATA	0	ehci->itd_pool->size	1
CAPPED_DATA	0	ehci->qh_pool->allocation	1
CAPPED_DATA	0	ehci->qh_pool->boundary	1
CAPPED_DATA	0	ehci->qh_pool->size	1
CAPPED_DATA	0	ehci->qtd_pool->allocation	1
CAPPED_DATA	0	ehci->qtd_pool->boundary	1
CAPPED_DATA	0	ehci->qtd_pool->size	1
CAPPED_DATA	0	ehci->sitd_pool->allocation	1
CAPPED_DATA	0	ehci->sitd_pool->boundary	1
CAPPED_DATA	0	ehci->sitd_pool->size	1
DATA_SOURCE	0	ehci	$0
DATA_SOURCE	1	flags	$1
FUZZY_MAX	0	ehci->periodic_size	1024
BIT_INFO	0	ehci->periodic_size	0x0,0x600
HARD_MAX	0	ehci->periodic_size	1024
MEM_ZERO	0	&ehci->hrtimer

drivers/usb/host/ehci-hcd.c qh_make() -> ehci_qh_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	ehci	4096-ptr_max
PARAM_VALUE	0	ehci->qtd_pool	4096-ptr_max
PARAM_VALUE	0	ehci->qtd_pool->dev->cma_area->alloc_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	ehci->qtd_pool->dev->cma_area->alloc_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	ehci->qtd_pool->dev->cma_area->alloc_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	ehci->qtd_pool->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	ehci->qtd_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	ehci->qtd_pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	ehci->qtd_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	ehci->qtd_pool->size	0-s32max
PARAM_VALUE	1	flags	2080
CAPPED_DATA	0	ehci->qtd_pool->size	1
DATA_SOURCE	0	ehci	$0
DATA_SOURCE	1	flags	$2
RX_PATH
LOCK2		flags
LOCK2	0	&ehci->lock
TYPE_LOCK		(struct ehci_hcd)->lock