dwc2_hcd_qh_unlink identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

drivers/usb/dwc2/hcd_queue.c, line 1699

Defined in 1 files as a prototype:

drivers/usb/dwc2/hcd.h, line 541 (as a prototype)

Defined in 1 files as a function:

drivers/usb/dwc2/hcd_queue.c, line 1706 (as a function)

Referenced in 3 files:

Smatch caller information:

drivers/usb/dwc2/hcd_ddma.c dwc2_hcd_complete_xfer_ddma() -> dwc2_hcd_qh_unlink()

Type	Parameter	Key	Value
PARAM_VALUE	0	hsotg	4096-ptr_max
PARAM_VALUE	0	hsotg->dev->dma_io_tlb_mem->can_grow	0-1
PARAM_VALUE	0	hsotg->free_hc_list.prev	4096-ptr_max
PARAM_VALUE	0	hsotg->free_hc_list.prev->next	4096-ptr_max
PARAM_VALUE	0	hsotg->free_hc_list.prev->next->next	4096-ptr_max
PARAM_VALUE	0	hsotg->hc_ptr_array	4096-ptr_max
PARAM_VALUE	0	hsotg->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	qh	4096-ptr_max
PARAM_VALUE	1	qh->channel	0
PARAM_VALUE	1	qh->desc_list->buf	0
PARAM_VALUE	1	qh->desc_list->status	0
PARAM_VALUE	1	qh->ntd	0
CAPPED_DATA	1	&qh->qtd_list	1
DATA_SOURCE	0	hsotg	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	hsotg->unaligned_cache->object_size
LOCK2	0	&hsotg->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct dwc2_hsotg)->lock

drivers/usb/dwc2/hcd_ddma.c dwc2_hcd_complete_xfer_ddma() -> dwc2_hcd_qh_unlink()

Type	Parameter	Key	Value
PARAM_VALUE	0	hsotg	4096-ptr_max
PARAM_VALUE	0	hsotg->dev->dma_io_tlb_mem->can_grow	0-1
PARAM_VALUE	0	hsotg->free_hc_list.prev	4096-ptr_max
PARAM_VALUE	0	hsotg->free_hc_list.prev->next	4096-ptr_max
PARAM_VALUE	0	hsotg->free_hc_list.prev->next->next	4096-ptr_max
PARAM_VALUE	0	hsotg->hc_ptr_array	4096-ptr_max
PARAM_VALUE	0	hsotg->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	qh	4096-ptr_max
PARAM_VALUE	1	qh->channel	0
PARAM_VALUE	1	qh->desc_list->buf	0
PARAM_VALUE	1	qh->desc_list->status	0
PARAM_VALUE	1	qh->ntd	0
DATA_SOURCE	0	hsotg	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	hsotg->unaligned_cache->object_size
LOCK2	0	&hsotg->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct dwc2_hsotg)->lock

drivers/usb/dwc2/hcd_queue.c dwc2_hcd_qh_deactivate() -> dwc2_hcd_qh_unlink()

Type	Parameter	Key	Value
PARAM_VALUE	0	hsotg	4096-ptr_max
PARAM_VALUE	0	hsotg->dev->dma_io_tlb_mem->can_grow	0-1
PARAM_VALUE	1	qh	4096-ptr_max
PARAM_VALUE	1	qh->channel	0,4096-ptr_max
PARAM_VALUE	1	qh->ep_type	0,2
DATA_SOURCE	0	hsotg	$0
DATA_SOURCE	1	qh	$1
FUZZY_MAX	1	qh->ep_type	2
BIT_INFO	1	qh->ep_type	0x0,0x2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&hsotg->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct dwc2_hsotg)->lock

drivers/usb/dwc2/hcd_queue.c dwc2_hcd_qh_deactivate() -> dwc2_hcd_qh_unlink()

Type	Parameter	Key	Value
PARAM_VALUE	0	hsotg	4096-ptr_max
PARAM_VALUE	0	hsotg->dev->dma_io_tlb_mem->can_grow	0-1
PARAM_VALUE	1	qh	4096-ptr_max
PARAM_VALUE	1	qh->channel	0,4096-ptr_max
PARAM_VALUE	1	qh->ep_type	1,3-255
PARAM_VALUE	1	qh->qtd_list.next	4096-ptr_max
PARAM_VALUE	1	qh->start_active_frame	0-16383
CAPPED_DATA	1	&qh->qtd_list	1
DATA_SOURCE	0	hsotg	$0
DATA_SOURCE	1	qh	$1
PARAM_COMPARE	1	&qh->qtd_list	== $1->qtd_list.next
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&hsotg->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct dwc2_hsotg)->lock

drivers/usb/dwc2/hcd.c _dwc2_hcd_urb_enqueue() -> dwc2_hcd_qh_unlink()

Type	Parameter	Key	Value
PARAM_VALUE	0	hsotg	4096-ptr_max
PARAM_VALUE	0	hsotg->dev->dma_io_tlb_pools.next	4096-ptr_max
PARAM_VALUE	0	hsotg->dev->dma_io_tlb_pools.next->prev	4096-ptr_max
PARAM_VALUE	0	hsotg->dev->dma_io_tlb_pools.next->prev->prev	4096-ptr_max
PARAM_VALUE	0	hsotg->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	hsotg->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	hsotg->frame_list	4096-ptr_max
PARAM_VALUE	0	hsotg->frame_list_sz	256
PARAM_VALUE	1	qh	4096-ptr_max
PARAM_VALUE	1	qh->data_toggle	0
PARAM_VALUE	1	qh->do_split	0-1
PARAM_VALUE	1	qh->dwc_tt	0,4096-ptr_max
PARAM_VALUE	1	qh->ep_is_in	0-1
PARAM_VALUE	1	qh->ep_type	0-3
PARAM_VALUE	1	qh->hsotg	4096-ptr_max
PARAM_VALUE	1	qh->maxp	0-2047
PARAM_VALUE	1	qh->maxp_mult	1-4
PARAM_VALUE	1	qh->qh_list_entry.next	4096-ptr_max
PARAM_VALUE	1	qh->qh_list_entry.next->next	4096-ptr_max
PARAM_VALUE	1	qh->qh_list_entry.prev	4096-ptr_max
PARAM_VALUE	1	qh->qh_list_entry.prev->next	4096-ptr_max
PARAM_VALUE	1	qh->qh_list_entry.prev->prev	4096-ptr_max
PARAM_VALUE	1	qh->qtd_list.next	4096-ptr_max
PARAM_VALUE	1	qh->qtd_list.next->next	4096-ptr_max
PARAM_VALUE	1	qh->qtd_list.prev	4096-ptr_max
PARAM_VALUE	1	qh->qtd_list.prev->next	4096-ptr_max
PARAM_VALUE	1	qh->qtd_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	qh->unreserve_timer.entry.pprev	0
PARAM_VALUE	1	qh->unreserve_timer.lockdep_map->name	0-255
BUF_SIZE	1	qh	384
CAPPED_DATA	1	qh	1
DATA_SOURCE	0	hsotg	r dwc2_hcd_to_hsotg
NOCHECK_CALL

drivers/usb/dwc2/hcd.c dwc2_hcd_endpoint_disable() -> dwc2_hcd_qh_unlink()

Type	Parameter	Key	Value
PARAM_VALUE	1	qh	4096-ptr_max
BUF_SIZE	1	qh	40,48,56,80,104,128,152,384
BUF_SIZE	1	qh	40,48,56,80,104,128,152,384
CAPPED_DATA	1	&qh->qtd_list	1
DATA_SOURCE	0	hsotg	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		flags
LOCK2	0	&hsotg->lock
HALF_LOCKED2		&udev->dev.mutex
TYPE_LOCK		(struct dwc2_hsotg)->lock

drivers/usb/dwc2/hcd.c dwc2_hcd_urb_dequeue() -> dwc2_hcd_qh_unlink()

Type	Parameter	Key	Value
PARAM_VALUE	0	hsotg	4096-ptr_max
PARAM_VALUE	0	hsotg->params.dma_desc_enable	0
PARAM_VALUE	1	qh	4096-ptr_max
PARAM_VALUE	1	qh->qtd_list.next	4096-ptr_max
CAPPED_DATA	1	&qh->qtd_list	1
DATA_SOURCE	0	hsotg	$0
PARAM_COMPARE	1	&qh->qtd_list	== $1->qtd_list.next
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		flags
LOCK2	0	&hsotg->lock
HALF_LOCKED2		irq
TYPE_LOCK		(struct dwc2_hsotg)->lock

drivers/usb/dwc2/hcd.c dwc2_qh_list_free() -> dwc2_hcd_qh_unlink()

Type	Parameter	Key	Value
PARAM_VALUE	0	hsotg	4096-ptr_max
PARAM_VALUE	0	hsotg->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	hsotg->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	hsotg->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	hsotg->dev->iommu_group->default_domain	0-s64max
PARAM_VALUE	0	hsotg->gadget.dev.iommu_group->owner_cnt	0-4294967295
PARAM_VALUE	0	hsotg->gadget.dev.kobj.parent->sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	hsotg->gadget.dev.kobj.release.wq->dfl_pwq	0-s64max
PARAM_VALUE	0	hsotg->gadget.dev.kobj.release.wq->saved_max_active	s32min-s32max
PARAM_VALUE	0	hsotg->gadget.dev.kobj.release.wq->saved_min_active	s32min-s32max
PARAM_VALUE	0	hsotg->gadget.dev.kobj.sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	hsotg->gadget.dev.p->dead	0-1
PARAM_VALUE	0	hsotg->gadget.dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	hsotg->gadget.ops->check_config	0,9012681856618590208,9040537406478098432
PARAM_VALUE	0	hsotg->gadget.ops->func_wakeup	0,1816331159711162368
PARAM_VALUE	0	hsotg->gadget.ops->get_config_params	0,1316903506149052416
PARAM_VALUE	0	hsotg->gadget.ops->get_frame	0,4096-ptr_max
PARAM_VALUE	0	hsotg->gadget.ops->ioctl	0
PARAM_VALUE	0	hsotg->gadget.ops->match_ep	0,1081493593393348608,3086703389125824512,3820108288210141184,4328644506140205056,4828312465346342912,6578524699529871360
PARAM_VALUE	0	hsotg->gadget.ops->pullup	0,4096-ptr_max
PARAM_VALUE	0	hsotg->gadget.ops->set_remote_wakeup	0,2647822114700050432
PARAM_VALUE	0	hsotg->gadget.ops->set_selfpowered	0,4096-ptr_max
PARAM_VALUE	0	hsotg->gadget.ops->udc_async_callbacks	0,1448049023484911616,2015549697443422208,2146793626917576704,4524500951199457280
PARAM_VALUE	0	hsotg->gadget.ops->udc_set_speed	0,1542734469127135232,2790071794484871168,5559015547957567488,9144756937450549248
PARAM_VALUE	0	hsotg->gadget.ops->udc_set_ssp_rate	0,1769069889350402048
PARAM_VALUE	0	hsotg->gadget.ops->udc_start	0,4096-ptr_max
PARAM_VALUE	0	hsotg->gadget.ops->udc_stop	0,4096-ptr_max
PARAM_VALUE	0	hsotg->gadget.ops->vbus_draw	0,4096-ptr_max
PARAM_VALUE	0	hsotg->gadget.ops->vbus_session	0,4096-ptr_max
PARAM_VALUE	0	hsotg->gadget.ops->wakeup	0,4096-ptr_max
PARAM_VALUE	0	hsotg->phy->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	hsotg->priv	0,4096-ptr_max
PARAM_VALUE	0	hsotg->uphy	0,4096-u64max
PARAM_VALUE	0	hsotg->uphy->otg	0,4096-ptr_max
PARAM_VALUE	0	hsotg->uphy->otg->usb_phy->io_dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	hsotg->wq_otg->flags	0-4294967295
PARAM_VALUE	0	hsotg->wq_otg->flush_color	s32min-s32max
PARAM_VALUE	0	hsotg->wq_otg->nr_drainers	s32min-s32max
PARAM_VALUE	0	hsotg->wq_otg->work_color	s32min-s32max
PARAM_VALUE	0	hsotg->wq_otg->wq_dev	0-s64max
PARAM_VALUE	0	*hsotg->params.g_tx_fifo_size	0-4294967295
PARAM_VALUE	1	qh	4096-ptr_max
BUF_SIZE	0	hsotg	s32min-(-1),1-s32max
BUF_SIZE	0	hsotg	s32min-(-1),1-s32max
BUF_SIZE	0	hsotg->dev	(-1),1616
BUF_SIZE	0	hsotg->frame_num_array	(-1),2
BUF_SIZE	0	hsotg->irq	s32min-(-1),1-s32max
BUF_SIZE	0	hsotg->last_frame_num_array	(-1),2
BUF_SIZE	0	hsotg->status_buf	(-1),64
BUF_SIZE	0	hsotg->usb33d	s32min,(-1)-s32max
BUF_SIZE	0	hsotg->vbus_supply	s32min,(-1)-s32max
BUF_SIZE	0	hsotg->wq_otg	(-1),512,528-8720
CAPPED_DATA	1	&qh->qh_list_entry	1
DATA_SOURCE	0	hsotg	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	hsotg->fifo_mem	0-u16max
HOST_DATA	0	hsotg->gadget.dev.bus_dma_limit	0
HOST_DATA	0	hsotg->gadget.dev.coherent_dma_mask	0
HOST_DATA	0	hsotg->gadget.dev.devt	0
HOST_DATA	0	hsotg->gadget.dev.id	0
HOST_DATA	0	hsotg->gadget.dev.kobj.release.cpu	0
HOST_DATA	0	hsotg->gadget.dev.kobj.release.timer.expires	0
HOST_DATA	0	hsotg->gadget.dev.kobj.release.timer.flags	0
HOST_DATA	0	hsotg->gadget.dev.kobj.release.work.data.counter	0
HOST_DATA	0	hsotg->gadget.dev.kobj.uevent_suppress	0
HOST_DATA	0	hsotg->gadget.dev.mutex.osq.tail.counter	0
HOST_DATA	0	hsotg->gadget.dev.mutex.owner.counter	0
HOST_DATA	0	hsotg->gadget.dev.power.accounting_timestamp	0
HOST_DATA	0	hsotg->gadget.dev.power.active_time	0
HOST_DATA	0	hsotg->gadget.dev.power.async_suspend	0
HOST_DATA	0	hsotg->gadget.dev.power.autosuspend_delay	0
HOST_DATA	0	hsotg->gadget.dev.power.can_wakeup	0
HOST_DATA	0	hsotg->gadget.dev.power.detach_power_off	0
HOST_DATA	0	hsotg->gadget.dev.power.direct_complete	0
HOST_DATA	0	hsotg->gadget.dev.power.driver_flags	0
HOST_DATA	0	hsotg->gadget.dev.power.in_dpm_list	0
HOST_DATA	0	hsotg->gadget.dev.power.irq_safe	0
HOST_DATA	0	hsotg->gadget.dev.power.last_busy	0
HOST_DATA	0	hsotg->gadget.dev.power.links_count	0
HOST_DATA	0	hsotg->gadget.dev.power.may_skip_resume	0
HOST_DATA	0	hsotg->gadget.dev.power.memalloc_noio	0
HOST_DATA	0	hsotg->gadget.dev.power.must_resume	0
HOST_DATA	0	hsotg->gadget.dev.power.no_callbacks	0
HOST_DATA	0	hsotg->gadget.dev.power.no_pm	0
HOST_DATA	0	hsotg->gadget.dev.power.no_pm_callbacks	0
HOST_DATA	0	hsotg->gadget.dev.power.out_band_wakeup	0
HOST_DATA	0	hsotg->gadget.dev.power.power_state.event	0
HOST_DATA	0	hsotg->gadget.dev.power.smart_suspend	0
HOST_DATA	0	hsotg->gadget.dev.power.strict_midlayer	0
HOST_DATA	0	hsotg->gadget.dev.power.suspended_time	0
HOST_DATA	0	hsotg->gadget.dev.power.syscore	0
HOST_DATA	0	hsotg->gadget.dev.power.timer_autosuspends	0
HOST_DATA	0	hsotg->gadget.dev.power.use_autosuspend	0
HOST_DATA	0	hsotg->gadget.dev.power.work_in_progress	0
HOST_DATA	0	hsotg->gadget.dev.removable	0
HOST_DATA	0	hsotg->hw_params.acg_enable	0-1
HOST_DATA	0	hsotg->hw_params.arch	0-3[c]
HOST_DATA	0	hsotg->hw_params.dev_ep_dirs	0-u32max
HOST_DATA	0	hsotg->hw_params.dev_nperio_tx_fifo_size	0-u16max
HOST_DATA	0	hsotg->hw_params.dev_token_q_depth	0-31[c]
HOST_DATA	0	hsotg->hw_params.dma_desc_enable	0-1
HOST_DATA	0	hsotg->hw_params.en_multiple_tx_fifo	0-1
HOST_DATA	0	hsotg->hw_params.enable_dynamic_fifo	0-1
HOST_DATA	0	hsotg->hw_params.fs_phy_type	0-3[c]
HOST_DATA	0	hsotg->hw_params.hibernation	0-1
HOST_DATA	0	hsotg->hw_params.host_channels	1-16[c]
HOST_DATA	0	hsotg->hw_params.host_nperio_tx_fifo_size	0-u16max
HOST_DATA	0	hsotg->hw_params.host_perio_tx_fifo_size	0-u16max
HOST_DATA	0	hsotg->hw_params.host_perio_tx_q_depth	0,2-6[c]
HOST_DATA	0	hsotg->hw_params.hs_phy_type	0-3[c]
HOST_DATA	0	hsotg->hw_params.i2c_enable	0-1
HOST_DATA	0	hsotg->hw_params.ipg_isoc_en	0-1
HOST_DATA	0	hsotg->hw_params.lpm_mode	0-1
HOST_DATA	0	hsotg->hw_params.nperio_tx_q_depth	0,2-6[c]
HOST_DATA	0	hsotg->hw_params.num_dev_ep	0-15[c]
HOST_DATA	0	hsotg->hw_params.num_dev_in_eps	0-15[c]
HOST_DATA	0	hsotg->hw_params.num_dev_perio_in_ep	0-15[c]
HOST_DATA	0	hsotg->hw_params.op_mode	0-7[c]
HOST_DATA	0	hsotg->hw_params.power_optimized	0-1
HOST_DATA	0	hsotg->hw_params.rx_fifo_size	0-u16max[c]
HOST_DATA	0	hsotg->hw_params.service_interval_mode	0-1
HOST_DATA	0	hsotg->hw_params.snpsid	0-u32max
HOST_DATA	0	hsotg->hw_params.total_fifo_size	0-u16max
HOST_DATA	0	hsotg->hw_params.utmi_phy_data_width	0-1,3[c]
HOST_DATA	0	hsotg->params.g_dma	0-1
HOST_DATA	0	hsotg->params.g_dma_desc	0-1
HOST_DATA	0	hsotg->params.g_rx_fifo_size	0-u16max[c]
HOST_DATA	0	hsotg->params.host_channels	1-16[c]
HOST_DATA	0	hsotg->params.host_dma	0-1
HOST_DATA	0	hsotg->params.host_nperio_tx_fifo_size	0-u16max
HOST_DATA	0	hsotg->params.host_perio_tx_fifo_size	0-u16max
HOST_DATA	0	hsotg->params.host_rx_fifo_size	0-u16max[c]
HOST_DATA	0	hsotg->params.reload_ctl	0
UNITS	0	hsotg	unit_byte
LOCK2		flags
LOCK2	0	&hsotg->lock
TYPE_LOCK		(struct dwc2_hsotg)->lock