ems_usb_command_msg 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/net/can/usb/ems_usb.c, line 593 (as a function)

Referenced in 1 files:

drivers/net/can/usb/ems_usb.c

Smatch caller information:

drivers/net/can/usb/ems_usb.c ems_usb_control_cmd() -> ems_usb_command_msg()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->active_params.msg.can_params.cc_params.sja1000.mode	1
PARAM_VALUE	0	dev->bittiming.bitrate	1-4294967295
PARAM_VALUE	0	dev->ctrlmode	32-4294967295
PARAM_VALUE	0	dev->free_slots	50
PARAM_VALUE	0	dev->intr_in_buffer	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->actual_length	0-s32max
PARAM_VALUE	0	dev->intr_urb->complete	3045310397381173248
PARAM_VALUE	0	dev->intr_urb->context	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->dev	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->dev->state	4-u32max
PARAM_VALUE	0	dev->intr_urb->ep	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->ep->urb_list.prev	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->ep->urb_list.prev->next	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->ep->urb_list.prev->next->next	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->hcpriv	0,4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->interval	s32min-32768
PARAM_VALUE	0	dev->intr_urb->num_mapped_sgs	0-s32max
PARAM_VALUE	0	dev->intr_urb->pipe	0,128-u32max
PARAM_VALUE	0	dev->intr_urb->start_frame	(-1)
PARAM_VALUE	0	dev->intr_urb->status	(-4095)-0
PARAM_VALUE	0	dev->intr_urb->transfer_buffer->bDeviceProtocol	1
PARAM_VALUE	0	dev->intr_urb->transfer_buffer->bmAttributes	0-255
PARAM_VALUE	0	dev->intr_urb->transfer_buffer_length	4
PARAM_VALUE	0	dev->intr_urb->urb_list.prev->next	4096-ptr_max
PARAM_VALUE	0	dev->udev	4096-ptr_max
PARAM_VALUE	0	dev->udev->bus->sysdev->iommu->attach_deferred	0
PARAM_VALUE	0	dev->udev->state	4-u32max
PARAM_VALUE	0	*dev->netdev->name	0-255
PARAM_VALUE	1	msg	6047419566958534656
PARAM_VALUE	1	msg->length	12
PARAM_VALUE	1	msg->msgid	0
PARAM_VALUE	1	msg->type	3
CAPPED_DATA	0	dev->bittiming.bitrate	1
CAPPED_DATA	0	dev->fd.data_bittiming.bitrate	1
CAPPED_DATA	0	dev->intr_urb	1
DATA_SOURCE	0	dev	$0
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	dev->intr_urb->num_mapped_sgs

drivers/net/can/usb/ems_usb.c ems_usb_probe() -> ems_usb_command_msg()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->active_params.length	13
PARAM_VALUE	0	dev->active_params.msg.can_params.cc_params.sja1000.acc_mask0	255
PARAM_VALUE	0	dev->active_params.msg.can_params.cc_params.sja1000.acc_mask1	255
PARAM_VALUE	0	dev->active_params.msg.can_params.cc_params.sja1000.acc_mask2	255
PARAM_VALUE	0	dev->active_params.msg.can_params.cc_params.sja1000.acc_mask3	255
PARAM_VALUE	0	dev->active_params.msg.can_params.cc_params.sja1000.mode	1
PARAM_VALUE	0	dev->active_params.msg.can_params.cc_params.sja1000.outp_contr	218
PARAM_VALUE	0	dev->active_params.msg.can_params.cc_type	2
PARAM_VALUE	0	dev->active_params.msgid	0
PARAM_VALUE	0	dev->active_params.type	6
PARAM_VALUE	0	dev->active_tx_urbs.counter	0
PARAM_VALUE	0	dev->can.bittiming_const	6822113153884684288
PARAM_VALUE	0	dev->can.clock.freq	8000000
PARAM_VALUE	0	dev->can.ctrlmode_supported	4
PARAM_VALUE	0	dev->can.do_set_bittiming	8986732951065497600
PARAM_VALUE	0	dev->can.do_set_mode	6659253907260596224
PARAM_VALUE	0	dev->can.state	4
PARAM_VALUE	0	dev->intr_in_buffer	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->actual_length	0
PARAM_VALUE	0	dev->intr_urb->anchor	0
PARAM_VALUE	0	dev->intr_urb->anchor_list.next	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->anchor_list.next->next	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->anchor_list.prev	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->anchor_list.prev->next	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->anchor_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->complete	0
PARAM_VALUE	0	dev->intr_urb->context	0
PARAM_VALUE	0	dev->intr_urb->dev	0
PARAM_VALUE	0	dev->intr_urb->ep	0
PARAM_VALUE	0	dev->intr_urb->error_count	0
PARAM_VALUE	0	dev->intr_urb->hcpriv	0
PARAM_VALUE	0	dev->intr_urb->interval	0
PARAM_VALUE	0	dev->intr_urb->kref.refcount.refs.counter	1
PARAM_VALUE	0	dev->intr_urb->num_mapped_sgs	0
PARAM_VALUE	0	dev->intr_urb->num_sgs	0
PARAM_VALUE	0	dev->intr_urb->number_of_packets	0
PARAM_VALUE	0	dev->intr_urb->pipe	0
PARAM_VALUE	0	dev->intr_urb->reject.counter	0
PARAM_VALUE	0	dev->intr_urb->setup_dma	0
PARAM_VALUE	0	dev->intr_urb->setup_packet	0
PARAM_VALUE	0	dev->intr_urb->sg	0
PARAM_VALUE	0	dev->intr_urb->sgt	0
PARAM_VALUE	0	dev->intr_urb->start_frame	0
PARAM_VALUE	0	dev->intr_urb->status	0
PARAM_VALUE	0	dev->intr_urb->stream_id	0
PARAM_VALUE	0	dev->intr_urb->transfer_buffer	0
PARAM_VALUE	0	dev->intr_urb->transfer_buffer_length	0
PARAM_VALUE	0	dev->intr_urb->transfer_dma	0
PARAM_VALUE	0	dev->intr_urb->transfer_flags	0
PARAM_VALUE	0	dev->intr_urb->unlinked	0
PARAM_VALUE	0	dev->intr_urb->urb_list.next	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->urb_list.next->next	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->urb_list.prev	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->urb_list.prev->next	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->urb_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev->intr_urb->use_count.counter	0
PARAM_VALUE	0	dev->netdev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->_rx	16,4096-ptr_max
PARAM_VALUE	0	dev->netdev->_tx	16,4096-ptr_max
PARAM_VALUE	0	dev->netdev->adj_list.lower.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->adj_list.lower.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->adj_list.upper.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->adj_list.upper.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->cfg	4096-ptr_max
PARAM_VALUE	0	dev->netdev->cfg_pending	4096-ptr_max
PARAM_VALUE	0	dev->netdev->close_list.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->close_list.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->dev_addrs.list.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->dev_addrs.list.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->ethtool	4096-ptr_max
PARAM_VALUE	0	dev->netdev->ethtool_ops	1-u64max
PARAM_VALUE	0	dev->netdev->gro_ipv4_max_size	65536
PARAM_VALUE	0	dev->netdev->gro_max_size	65536
PARAM_VALUE	0	dev->netdev->group	0
PARAM_VALUE	0	dev->netdev->gso_ipv4_max_size	65536
PARAM_VALUE	0	dev->netdev->gso_max_segs	u16max
PARAM_VALUE	0	dev->netdev->gso_max_size	65536
PARAM_VALUE	0	dev->netdev->link_watch_list.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->link_watch_list.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->lock.first_waiter	0
PARAM_VALUE	0	dev->netdev->lock.magic	4096-ptr_max
PARAM_VALUE	0	dev->netdev->lock.osq.tail.counter	0
PARAM_VALUE	0	dev->netdev->lock.owner.counter	0
PARAM_VALUE	0	dev->netdev->lower_level	1
PARAM_VALUE	0	dev->netdev->mc.count	0
PARAM_VALUE	0	dev->netdev->mc.list.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->mc.list.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->ml_priv_type	1
PARAM_VALUE	0	dev->netdev->name_assign_type	0
PARAM_VALUE	0	dev->netdev->napi_config	16,4096-ptr_max
PARAM_VALUE	0	dev->netdev->napi_list.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->napi_list.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->nd_net.net	1824583183996030976
PARAM_VALUE	0	dev->netdev->nested_level	0
PARAM_VALUE	0	dev->netdev->net_notifier_list.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->net_notifier_list.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->nf_hooks_egress	0
PARAM_VALUE	0	dev->netdev->nf_hooks_ingress	0
PARAM_VALUE	0	dev->netdev->num_napi_configs	1-u32max
PARAM_VALUE	0	dev->netdev->num_rx_queues	1
PARAM_VALUE	0	dev->netdev->num_tx_queues	1
PARAM_VALUE	0	dev->netdev->pcpu_refcnt	4096-ptr_max
PARAM_VALUE	0	dev->netdev->priv_flags	131104,655392
PARAM_VALUE	0	dev->netdev->ptype_all.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->ptype_all.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->ptype_specific.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->ptype_specific.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->real_num_rx_queues	1
PARAM_VALUE	0	dev->netdev->real_num_tx_queues	1
PARAM_VALUE	0	dev->netdev->refcnt_tracker.class	7541498157787627520
PARAM_VALUE	0	dev->netdev->refcnt_tracker.dead	0
PARAM_VALUE	0	dev->netdev->refcnt_tracker.list.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->refcnt_tracker.list.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->refcnt_tracker.no_tracker.refs.counter	1
PARAM_VALUE	0	dev->netdev->refcnt_tracker.quarantine.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->refcnt_tracker.quarantine.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->refcnt_tracker.quarantine_avail	128
PARAM_VALUE	0	dev->netdev->refcnt_tracker.untracked.refs.counter	1
PARAM_VALUE	0	dev->netdev->rx_mode_addr_cache.count	0
PARAM_VALUE	0	dev->netdev->rx_mode_addr_cache.list.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->rx_mode_addr_cache.list.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->rx_mode_retry_timer.flags	0-4194302
PARAM_VALUE	0	dev->netdev->tso_max_segs	u16max
PARAM_VALUE	0	dev->netdev->tso_max_size	65536
PARAM_VALUE	0	dev->netdev->tx_queue_len	1-u32max
PARAM_VALUE	0	dev->netdev->uc.count	0
PARAM_VALUE	0	dev->netdev->uc.list.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->uc.list.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->unlink_list.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->unlink_list.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->unreg_list.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->unreg_list.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->unreg_list_net.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->unreg_list_net.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->upper_level	1
PARAM_VALUE	0	dev->netdev->watchdog_ref_held	0
PARAM_VALUE	0	dev->netdev->work_node.next	4096-ptr_max
PARAM_VALUE	0	dev->netdev->work_node.prev	4096-ptr_max
PARAM_VALUE	0	dev->netdev->xdp_zc_max_segs	1
PARAM_VALUE	0	dev->rx_submitted.poisoned	0
PARAM_VALUE	0	dev->rx_submitted.wait.head.next	4096-ptr_max
PARAM_VALUE	0	dev->rx_submitted.wait.head.next->next	4096-ptr_max
PARAM_VALUE	0	dev->rx_submitted.wait.head.prev	4096-ptr_max
PARAM_VALUE	0	dev->rx_submitted.wait.head.prev->next	4096-ptr_max
PARAM_VALUE	0	dev->rx_submitted.wait.head.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev->tx_contexts	4096-ptr_max
PARAM_VALUE	0	dev->tx_msg_buffer	4096-ptr_max
PARAM_VALUE	0	dev->tx_submitted.poisoned	0
PARAM_VALUE	0	dev->tx_submitted.wait.head.next	4096-ptr_max
PARAM_VALUE	0	dev->tx_submitted.wait.head.next->next	4096-ptr_max
PARAM_VALUE	0	dev->tx_submitted.wait.head.prev	4096-ptr_max
PARAM_VALUE	0	dev->tx_submitted.wait.head.prev->next	4096-ptr_max
PARAM_VALUE	0	dev->tx_submitted.wait.head.prev->prev	4096-ptr_max
PARAM_VALUE	1	msg	4096-ptr_max
PARAM_VALUE	1	msg->length	13
PARAM_VALUE	1	msg->msg.can_params.cc_params.sja1000.acc_mask0	255
PARAM_VALUE	1	msg->msg.can_params.cc_params.sja1000.acc_mask1	255
PARAM_VALUE	1	msg->msg.can_params.cc_params.sja1000.acc_mask2	255
PARAM_VALUE	1	msg->msg.can_params.cc_params.sja1000.acc_mask3	255
PARAM_VALUE	1	msg->msg.can_params.cc_params.sja1000.mode	1
PARAM_VALUE	1	msg->msg.can_params.cc_params.sja1000.outp_contr	218
PARAM_VALUE	1	msg->msg.can_params.cc_type	2
PARAM_VALUE	1	msg->msgid	0
PARAM_VALUE	1	msg->type	6
BUF_SIZE	0	dev->can.bittiming_const	48
BUF_SIZE	0	dev->intr_in_buffer	4
BUF_SIZE	0	dev->intr_urb	s32min-s32max
BUF_SIZE	0	dev->netdev	s32min-s32max
BUF_SIZE	0	dev->tx_msg_buffer	79
TERMINATED	0	dev->netdev->refcnt_tracker.class	1
TERMINATED	0	dev->refcnt_tracker.class	1
MEM_ZERO	0	&dev->rx_submitted
MEM_ZERO	0	&dev->tx_submitted
RX_PATH
TASK_NOT_RUNNING

drivers/net/can/usb/ems_usb.c ems_usb_set_bittiming() -> ems_usb_command_msg()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	1	msg	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &rtnl_mutex
HALF_LOCKED2		&net->xfrm.xfrm_cfg_mutex
HALF_LOCKED2		&ops->srcu
HALF_LOCKED2		global &audit_cmd_mutex.lock
HALF_LOCKED2		global &cb_lock
HALF_LOCKED2		global &crypto_cfg_mutex
HALF_LOCKED2		global &hwsim_phys_lock
HALF_LOCKED2		global &rx_queue_mutex

drivers/net/can/usb/ems_usb.c ems_usb_write_mode() -> ems_usb_command_msg()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->active_params.msg.can_params.cc_params.sja1000.mode	0-1
PARAM_VALUE	0	*dev->netdev->name	0-255
PARAM_VALUE	1	msg	4096-ptr_max
PARAM_VALUE	1	msg->msg.can_params.cc_params.sja1000.mode	0-1
DATA_SOURCE	0	dev	$0
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	dev->intr_urb->num_mapped_sgs
NO_OVERFLOW_SIMPLE	0	dev->intr_urb->transfer_buffer_length