cdnsp_alloc_segments_for_ring identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/usb/cdns3/cdnsp-mem.c, line 322 (as a function)

Referenced in 1 files:

drivers/usb/cdns3/cdnsp-mem.c
- line 391
- line 438

Smatch caller information:

drivers/usb/cdns3/cdnsp-mem.c cdnsp_ring_alloc() -> cdnsp_alloc_segments_for_ring()

Type	Parameter	Key	Value
PARAM_VALUE	0	pdev	4096-ptr_max
PARAM_VALUE	0	pdev->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	1	first	4096-ptr_max
PARAM_VALUE	2	last	4096-ptr_max
PARAM_VALUE	3	num_segs	1-2
PARAM_VALUE	4	cycle_state	1
PARAM_VALUE	5	type	0-6
PARAM_VALUE	6	max_packet	0-2047
PARAM_VALUE	7	flags	2080,3264
BUF_SIZE	0	pdev->cmd_ring	(-1),112
BUF_SIZE	0	pdev->dcbaa	(-1),24
BUF_SIZE	0	pdev->dev	(-1),1616
BUF_SIZE	0	pdev->device_pool	(-1),192
BUF_SIZE	0	pdev->event_ring	(-1),112
BUF_SIZE	0	pdev->gadget.name	(-1),13
BUF_SIZE	0	pdev->gadget.ops	(-1),136
BUF_SIZE	0	pdev->ir_set	(-1),4096
BUF_SIZE	0	pdev->segment_pool	(-1),192
BUF_SIZE	0	pdev->setup_buf	(-1),512
DATA_SOURCE	0	pdev	$0
DATA_SOURCE	3	num_segs	$1
DATA_SOURCE	5	type	$2
DATA_SOURCE	6	max_packet	$3
DATA_SOURCE	7	flags	$4
STR_LEN	0	pdev->gadget.name	(-1),12
HARD_MAX	3	num_segs	2
HARD_MAX	7	flags	3264
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	pdev->cdnsp_state	0-u32max
HOST_DATA	0	pdev->cmd.status	0-u32max
HOST_DATA	0	pdev->device_address	0-255
HOST_DATA	0	pdev->ep0_expect_in	0-255
HOST_DATA	0	pdev->ep0_preq.direction	0-1
HOST_DATA	0	pdev->ep0_preq.epnum	0-255
HOST_DATA	0	pdev->ep0_preq.request.actual	0-u32max
HOST_DATA	0	pdev->ep0_preq.request.dma	0-u64max
HOST_DATA	0	pdev->ep0_preq.request.dma_mapped	0-1
HOST_DATA	0	pdev->ep0_preq.request.frame_number	0-u32max
HOST_DATA	0	pdev->ep0_preq.request.is_last	0-1
HOST_DATA	0	pdev->ep0_preq.request.length	0-u32max
HOST_DATA	0	pdev->ep0_preq.request.no_interrupt	0-1
HOST_DATA	0	pdev->ep0_preq.request.num_mapped_sgs	0-u32max
HOST_DATA	0	pdev->ep0_preq.request.num_sgs	0-u32max
HOST_DATA	0	pdev->ep0_preq.request.sg_was_mapped	0-1
HOST_DATA	0	pdev->ep0_preq.request.short_not_ok	0-1
HOST_DATA	0	pdev->ep0_preq.request.status	s32min-s32max
HOST_DATA	0	pdev->ep0_preq.request.stream_id	0-u16max
HOST_DATA	0	pdev->ep0_preq.request.zero	0-1
HOST_DATA	0	pdev->ep0_preq.td.drbl	0-1
HOST_DATA	0	pdev->ep0_preq.td.request_length_set	0-1
HOST_DATA	0	pdev->ep0_stage	0-u32max
HOST_DATA	0	pdev->erst.erst_dma_addr	0-u64max
HOST_DATA	0	pdev->erst.num_entries	0-u32max
HOST_DATA	0	pdev->eusb_port.exist	0-255
HOST_DATA	0	pdev->eusb_port.maj_rev	0-255
HOST_DATA	0	pdev->eusb_port.min_rev	0-255
HOST_DATA	0	pdev->eusb_port.port_num	0-255
HOST_DATA	0	pdev->gadget.a_alt_hnp_support	0-1
HOST_DATA	0	pdev->gadget.a_hnp_support	0-1
HOST_DATA	0	pdev->gadget.b_hnp_enable	0-1
HOST_DATA	0	pdev->gadget.connected	0-1
HOST_DATA	0	pdev->gadget.deactivated	0-1
HOST_DATA	0	pdev->gadget.dev.bus_dma_limit	0-u64max
HOST_DATA	0	pdev->gadget.dev.coherent_dma_mask	0-u64max
HOST_DATA	0	pdev->gadget.dev.devt	0-u32max
HOST_DATA	0	pdev->gadget.dev.dma_uses_io_tlb	0-1
HOST_DATA	0	pdev->gadget.dev.id	0-u32max
HOST_DATA	0	pdev->gadget.dev.kobj.kref.refcount.refs.counter	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.kobj.release.cpu	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.kobj.release.timer.expires	0-u64max
HOST_DATA	0	pdev->gadget.dev.kobj.release.timer.flags	0-u32max
HOST_DATA	0	pdev->gadget.dev.kobj.release.work.data.counter	s64min-s64max
HOST_DATA	0	pdev->gadget.dev.kobj.state_add_uevent_sent	0-1
HOST_DATA	0	pdev->gadget.dev.kobj.state_in_sysfs	0-1
HOST_DATA	0	pdev->gadget.dev.kobj.state_initialized	0-1
HOST_DATA	0	pdev->gadget.dev.kobj.state_remove_uevent_sent	0-1
HOST_DATA	0	pdev->gadget.dev.kobj.uevent_suppress	0-1
HOST_DATA	0	pdev->gadget.dev.links.status	0-u32max
HOST_DATA	0	pdev->gadget.dev.mutex.osq.tail.counter	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.mutex.owner.counter	s64min-s64max
HOST_DATA	0	pdev->gadget.dev.numa_node	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.accounting_timestamp	0-u64max
HOST_DATA	0	pdev->gadget.dev.power.active_time	0-u64max
HOST_DATA	0	pdev->gadget.dev.power.async_suspend	0-1
HOST_DATA	0	pdev->gadget.dev.power.autosuspend_delay	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.can_wakeup	0-1
HOST_DATA	0	pdev->gadget.dev.power.child_count.counter	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.completion.done	0-u32max
HOST_DATA	0	pdev->gadget.dev.power.deferred_resume	0-1
HOST_DATA	0	pdev->gadget.dev.power.detach_power_off	0-1
HOST_DATA	0	pdev->gadget.dev.power.direct_complete	0-1
HOST_DATA	0	pdev->gadget.dev.power.disable_depth	0-7
HOST_DATA	0	pdev->gadget.dev.power.driver_flags	0-u32max
HOST_DATA	0	pdev->gadget.dev.power.early_init	0-1
HOST_DATA	0	pdev->gadget.dev.power.idle_notification	0-1
HOST_DATA	0	pdev->gadget.dev.power.ignore_children	0-1
HOST_DATA	0	pdev->gadget.dev.power.in_dpm_list	0-1
HOST_DATA	0	pdev->gadget.dev.power.irq_safe	0-1
HOST_DATA	0	pdev->gadget.dev.power.is_late_suspended	0-1
HOST_DATA	0	pdev->gadget.dev.power.is_noirq_suspended	0-1
HOST_DATA	0	pdev->gadget.dev.power.is_prepared	0-1
HOST_DATA	0	pdev->gadget.dev.power.is_suspended	0-1
HOST_DATA	0	pdev->gadget.dev.power.last_busy	0-u64max
HOST_DATA	0	pdev->gadget.dev.power.last_status	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.links_count	0-u32max
HOST_DATA	0	pdev->gadget.dev.power.may_skip_resume	0-1
HOST_DATA	0	pdev->gadget.dev.power.memalloc_noio	0-1
HOST_DATA	0	pdev->gadget.dev.power.must_resume	0-1
HOST_DATA	0	pdev->gadget.dev.power.needs_force_resume	0-1
HOST_DATA	0	pdev->gadget.dev.power.no_callbacks	0-1
HOST_DATA	0	pdev->gadget.dev.power.no_pm	0-1
HOST_DATA	0	pdev->gadget.dev.power.no_pm_callbacks	0-1
HOST_DATA	0	pdev->gadget.dev.power.out_band_wakeup	0-1
HOST_DATA	0	pdev->gadget.dev.power.power_state.event	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.request	0-u32max
HOST_DATA	0	pdev->gadget.dev.power.request_pending	0-1
HOST_DATA	0	pdev->gadget.dev.power.runtime_auto	0-1
HOST_DATA	0	pdev->gadget.dev.power.runtime_error	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.runtime_status	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.smart_suspend	0-1
HOST_DATA	0	pdev->gadget.dev.power.strict_midlayer	0-1
HOST_DATA	0	pdev->gadget.dev.power.suspended_time	0-u64max
HOST_DATA	0	pdev->gadget.dev.power.syscore	0-1
HOST_DATA	0	pdev->gadget.dev.power.timer_autosuspends	0-1
HOST_DATA	0	pdev->gadget.dev.power.timer_expires	0-u64max
HOST_DATA	0	pdev->gadget.dev.power.usage_count.counter	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.use_autosuspend	0-1
HOST_DATA	0	pdev->gadget.dev.power.work_in_progress	0-1
HOST_DATA	0	pdev->gadget.dev.removable	0-u32max
HOST_DATA	0	pdev->gadget.hnp_polling_support	0-1
HOST_DATA	0	pdev->gadget.host_request_flag	0-1
HOST_DATA	0	pdev->gadget.id_number	s32min-s32max
HOST_DATA	0	pdev->gadget.in_epnum	0-u32max
HOST_DATA	0	pdev->gadget.irq	s32min-s32max
HOST_DATA	0	pdev->gadget.is_a_peripheral	0-1
HOST_DATA	0	pdev->gadget.is_otg	0-1
HOST_DATA	0	pdev->gadget.is_selfpowered	0-1
HOST_DATA	0	pdev->gadget.isoch_delay	0-u32max
HOST_DATA	0	pdev->gadget.lpm_capable	1
HOST_DATA	0	pdev->gadget.mA	0-u32max
HOST_DATA	0	pdev->gadget.max_speed	2-3,5-6[c]
HOST_DATA	0	pdev->gadget.max_ssp_rate	0-u32max
HOST_DATA	0	pdev->gadget.out_epnum	0-u32max
HOST_DATA	0	pdev->gadget.quirk_altset_not_supp	0-1
HOST_DATA	0	pdev->gadget.quirk_avoids_skb_reserve	0-1
HOST_DATA	0	pdev->gadget.quirk_ep_out_aligned_size	1
HOST_DATA	0	pdev->gadget.quirk_stall_not_supp	0-1
HOST_DATA	0	pdev->gadget.quirk_zlp_not_supp	0-1
HOST_DATA	0	pdev->gadget.sg_supported	1
HOST_DATA	0	pdev->gadget.speed	0
HOST_DATA	0	pdev->gadget.ssp_rate	0-u32max
HOST_DATA	0	pdev->gadget.state	0-u32max
HOST_DATA	0	pdev->gadget.teardown	0-1
HOST_DATA	0	pdev->gadget.wakeup_armed	0-1
HOST_DATA	0	pdev->gadget.wakeup_capable	0-1
HOST_DATA	0	pdev->gadget.work.data.counter	s64min-s64max
HOST_DATA	0	pdev->hcc_params	0-u32max
HOST_DATA	0	pdev->hci_version	0,2-65534
HOST_DATA	0	pdev->hcs_params1	0-u32max
HOST_DATA	0	pdev->hcs_params3	0-u32max
HOST_DATA	0	pdev->in_ctx.ctx_size	s32min-s32max
HOST_DATA	0	pdev->in_ctx.dma	0-u64max
HOST_DATA	0	pdev->in_ctx.size	s32min-s32max
HOST_DATA	0	pdev->in_ctx.type	0-u32max
HOST_DATA	0	pdev->irq	0-u32max
HOST_DATA	0	pdev->link_state	0-u32max
HOST_DATA	0	pdev->may_wakeup	s32min-s32max
HOST_DATA	0	pdev->out_ctx.ctx_size	s32min-s32max
HOST_DATA	0	pdev->out_ctx.dma	0-u64max
HOST_DATA	0	pdev->out_ctx.size	s32min-s32max
HOST_DATA	0	pdev->out_ctx.type	0-u32max
HOST_DATA	0	pdev->rtl_revision	0-u32max
HOST_DATA	0	pdev->setup.bRequest	0-255
HOST_DATA	0	pdev->setup.bRequestType	0-255
HOST_DATA	0	pdev->setup.wIndex	0-u16max
HOST_DATA	0	pdev->setup.wLength	0-u16max
HOST_DATA	0	pdev->setup.wValue	0-u16max
HOST_DATA	0	pdev->setup_id	0-255
HOST_DATA	0	pdev->setup_speed	0-255
HOST_DATA	0	pdev->slot_id	s32min-s32max
HOST_DATA	0	pdev->test_mode	0-u16max
HOST_DATA	0	pdev->three_stage_setup	0-255
HOST_DATA	0	pdev->u1_allowed	0-1
HOST_DATA	0	pdev->u2_allowed	0-1
HOST_DATA	0	pdev->usb2_hw_lpm_capable	0-1
HOST_DATA	0	pdev->usb2_port.exist	0-255
HOST_DATA	0	pdev->usb2_port.maj_rev	0-255
HOST_DATA	0	pdev->usb2_port.min_rev	0-255
HOST_DATA	0	pdev->usb2_port.port_num	0-255
HOST_DATA	0	pdev->usb3_port.exist	0-255
HOST_DATA	0	pdev->usb3_port.maj_rev	0-255
HOST_DATA	0	pdev->usb3_port.min_rev	0-255
HOST_DATA	0	pdev->usb3_port.port_num	0-255
HALF_LOCKED2		&cdns->mutex
HALF_LOCKED2	0	&pdev->lock

drivers/usb/cdns3/cdnsp-mem.c cdnsp_ring_expansion() -> cdnsp_alloc_segments_for_ring()

Type	Parameter	Key	Value
PARAM_VALUE	0	pdev	4096-ptr_max
PARAM_VALUE	0	pdev->ep0_preq.pep->direction	0-1
PARAM_VALUE	0	pdev->ep0_preq.pep->idx	0-30
PARAM_VALUE	0	pdev->ep0_preq.pep->number	0-15
PARAM_VALUE	0	pdev->ep0_preq.pep->stream_info.first_prime_det	0-1
PARAM_VALUE	0	pdev->ep0_preq.pep->stream_info.num_streams	3-18
PARAM_VALUE	0	pdev->gadget.ops->vbus_draw	0,4096-ptr_max
PARAM_VALUE	1	first	5567455108811112448
PARAM_VALUE	2	last	2639098515778576384
PARAM_VALUE	7	flags	2080
BUF_SIZE	0	pdev	(-1),2504,11976
BUF_SIZE	0	pdev	(-1),2504,11976
BUF_SIZE	0	pdev->active_port	(-1),16
CAPPED_DATA	3	num_segs	1
DATA_SOURCE	0	pdev	$0
DATA_SOURCE	7	flags	$3
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	pdev->gadget.dev.bus_dma_limit	0-u64max
HOST_DATA	0	pdev->gadget.dev.coherent_dma_mask	0-u64max
HOST_DATA	0	pdev->gadget.dev.devt	0-u32max
HOST_DATA	0	pdev->gadget.dev.dma_uses_io_tlb	0-1
HOST_DATA	0	pdev->gadget.dev.id	0-u32max
HOST_DATA	0	pdev->gadget.dev.kobj.kref.refcount.refs.counter	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.kobj.release.cpu	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.kobj.release.timer.expires	0-u64max
HOST_DATA	0	pdev->gadget.dev.kobj.release.timer.flags	0-u32max
HOST_DATA	0	pdev->gadget.dev.kobj.release.work.data.counter	s64min-s64max
HOST_DATA	0	pdev->gadget.dev.kobj.state_add_uevent_sent	0-1
HOST_DATA	0	pdev->gadget.dev.kobj.state_in_sysfs	0-1
HOST_DATA	0	pdev->gadget.dev.kobj.state_initialized	0-1
HOST_DATA	0	pdev->gadget.dev.kobj.state_remove_uevent_sent	0-1
HOST_DATA	0	pdev->gadget.dev.kobj.uevent_suppress	0-1
HOST_DATA	0	pdev->gadget.dev.links.status	0-u32max
HOST_DATA	0	pdev->gadget.dev.mutex.osq.tail.counter	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.mutex.owner.counter	s64min-s64max
HOST_DATA	0	pdev->gadget.dev.numa_node	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.accounting_timestamp	0-u64max
HOST_DATA	0	pdev->gadget.dev.power.active_time	0-u64max
HOST_DATA	0	pdev->gadget.dev.power.async_suspend	0-1
HOST_DATA	0	pdev->gadget.dev.power.autosuspend_delay	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.can_wakeup	0-1
HOST_DATA	0	pdev->gadget.dev.power.child_count.counter	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.completion.done	0-u32max
HOST_DATA	0	pdev->gadget.dev.power.deferred_resume	0-1
HOST_DATA	0	pdev->gadget.dev.power.detach_power_off	0-1
HOST_DATA	0	pdev->gadget.dev.power.direct_complete	0-1
HOST_DATA	0	pdev->gadget.dev.power.disable_depth	0-7
HOST_DATA	0	pdev->gadget.dev.power.driver_flags	0-u32max
HOST_DATA	0	pdev->gadget.dev.power.early_init	0-1
HOST_DATA	0	pdev->gadget.dev.power.idle_notification	0-1
HOST_DATA	0	pdev->gadget.dev.power.ignore_children	0-1
HOST_DATA	0	pdev->gadget.dev.power.in_dpm_list	0-1
HOST_DATA	0	pdev->gadget.dev.power.irq_safe	0-1
HOST_DATA	0	pdev->gadget.dev.power.is_late_suspended	0-1
HOST_DATA	0	pdev->gadget.dev.power.is_noirq_suspended	0-1
HOST_DATA	0	pdev->gadget.dev.power.is_prepared	0-1
HOST_DATA	0	pdev->gadget.dev.power.is_suspended	0-1
HOST_DATA	0	pdev->gadget.dev.power.last_busy	0-u64max
HOST_DATA	0	pdev->gadget.dev.power.last_status	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.links_count	0-u32max
HOST_DATA	0	pdev->gadget.dev.power.may_skip_resume	0-1
HOST_DATA	0	pdev->gadget.dev.power.memalloc_noio	0-1
HOST_DATA	0	pdev->gadget.dev.power.must_resume	0-1
HOST_DATA	0	pdev->gadget.dev.power.needs_force_resume	0-1
HOST_DATA	0	pdev->gadget.dev.power.no_callbacks	0-1
HOST_DATA	0	pdev->gadget.dev.power.no_pm	0-1
HOST_DATA	0	pdev->gadget.dev.power.no_pm_callbacks	0-1
HOST_DATA	0	pdev->gadget.dev.power.out_band_wakeup	0-1
HOST_DATA	0	pdev->gadget.dev.power.power_state.event	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.request	0-u32max
HOST_DATA	0	pdev->gadget.dev.power.request_pending	0-1
HOST_DATA	0	pdev->gadget.dev.power.runtime_auto	0-1
HOST_DATA	0	pdev->gadget.dev.power.runtime_error	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.runtime_status	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.smart_suspend	0-1
HOST_DATA	0	pdev->gadget.dev.power.strict_midlayer	0-1
HOST_DATA	0	pdev->gadget.dev.power.suspended_time	0-u64max
HOST_DATA	0	pdev->gadget.dev.power.syscore	0-1
HOST_DATA	0	pdev->gadget.dev.power.timer_autosuspends	0-1
HOST_DATA	0	pdev->gadget.dev.power.timer_expires	0-u64max
HOST_DATA	0	pdev->gadget.dev.power.usage_count.counter	s32min-s32max
HOST_DATA	0	pdev->gadget.dev.power.use_autosuspend	0-1
HOST_DATA	0	pdev->gadget.dev.power.work_in_progress	0-1
HOST_DATA	0	pdev->gadget.dev.removable	0-u32max
HOST_DATA	0	pdev->link_state	0,32-95,97-480
UNITS	3	num_segs	unit_array_size
HALF_LOCKED2		&pdev->lock
HALF_LOCKED2		bh
HALF_LOCKED2		flags
HALF_LOCKED2	0	&pdev->lock
TYPE_LOCK		(struct cdnsp_device)->lock