usb: dwc3: gadget: keep track of allocated and queued reqs
We will be using this information to change how we figure out when we need LST bit. For now, just update our counters. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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@ -497,6 +497,8 @@ struct dwc3_event_buffer {
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* @type: set to bmAttributes & USB_ENDPOINT_XFERTYPE_MASK
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* @resource_index: Resource transfer index
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* @interval: the interval on which the ISOC transfer is started
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* @allocated_requests: number of requests allocated
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* @queued_requests: number of requests queued for transfer
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* @name: a human readable name e.g. ep1out-bulk
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* @direction: true for TX, false for RX
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* @stream_capable: true when streams are enabled
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@ -541,6 +543,8 @@ struct dwc3_ep {
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u8 number;
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u8 type;
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u8 resource_index;
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u32 allocated_requests;
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u32 queued_requests;
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u32 interval;
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char name[20];
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@ -741,6 +741,8 @@ static struct usb_request *dwc3_gadget_ep_alloc_request(struct usb_ep *ep,
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req->epnum = dep->number;
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req->dep = dep;
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dep->allocated_requests++;
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trace_dwc3_alloc_request(req);
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return &req->request;
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@ -750,7 +752,9 @@ static void dwc3_gadget_ep_free_request(struct usb_ep *ep,
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struct usb_request *request)
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{
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struct dwc3_request *req = to_dwc3_request(request);
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struct dwc3_ep *dep = to_dwc3_ep(ep);
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dep->allocated_requests--;
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trace_dwc3_free_request(req);
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kfree(req);
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}
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@ -831,6 +835,8 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep,
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trb->ctrl |= DWC3_TRB_CTRL_HWO;
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dep->queued_requests++;
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trace_dwc3_prepare_trb(dep, trb);
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}
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@ -1936,6 +1942,7 @@ static int __dwc3_cleanup_done_trbs(struct dwc3 *dwc, struct dwc3_ep *dep,
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unsigned int s_pkt = 0;
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unsigned int trb_status;
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dep->queued_requests--;
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trace_dwc3_complete_trb(dep, trb);
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if ((trb->ctrl & DWC3_TRB_CTRL_HWO) && status != -ESHUTDOWN)
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@ -231,6 +231,8 @@ DECLARE_EVENT_CLASS(dwc3_log_trb,
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TP_STRUCT__entry(
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__dynamic_array(char, name, DWC3_MSG_MAX)
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__field(struct dwc3_trb *, trb)
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__field(u32, allocated)
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__field(u32, queued)
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__field(u32, bpl)
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__field(u32, bph)
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__field(u32, size)
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@ -239,13 +241,16 @@ DECLARE_EVENT_CLASS(dwc3_log_trb,
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TP_fast_assign(
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snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
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__entry->trb = trb;
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__entry->allocated = dep->allocated_requests;
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__entry->queued = dep->queued_requests;
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__entry->bpl = trb->bpl;
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__entry->bph = trb->bph;
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__entry->size = trb->size;
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__entry->ctrl = trb->ctrl;
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),
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TP_printk("%s: trb %p buf %08x%08x size %d ctrl %08x (%c%c%c%c:%c%c:%s)",
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__get_str(name), __entry->trb, __entry->bph, __entry->bpl,
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TP_printk("%s: %d/%d trb %p buf %08x%08x size %d ctrl %08x (%c%c%c%c:%c%c:%s)",
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__get_str(name), __entry->queued, __entry->allocated,
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__entry->trb, __entry->bph, __entry->bpl,
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__entry->size, __entry->ctrl,
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__entry->ctrl & DWC3_TRB_CTRL_HWO ? 'H' : 'h',
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__entry->ctrl & DWC3_TRB_CTRL_LST ? 'L' : 'l',
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