From 11d15e402beec122fb11104e36c35d1a46f650ff Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Wed, 24 Oct 2012 18:31:13 +0200 Subject: uhci: Store ep in UHCIQueue This avoids the need to repeatedly lookup the device, and ep. Signed-off-by: Hans de Goede Signed-off-by: Gerd Hoffmann --- hw/usb/hcd-uhci.c | 30 ++++++++++++++---------------- 1 file changed, 14 insertions(+), 16 deletions(-) (limited to 'hw/usb/hcd-uhci.c') diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c index 2bbc6fbc96..8214a21a7a 100644 --- a/hw/usb/hcd-uhci.c +++ b/hw/usb/hcd-uhci.c @@ -107,6 +107,7 @@ struct UHCIAsync { struct UHCIQueue { uint32_t token; UHCIState *uhci; + USBEndpoint *ep; QTAILQ_ENTRY(UHCIQueue) next; QTAILQ_HEAD(, UHCIAsync) asyncs; int8_t valid; @@ -161,7 +162,7 @@ typedef struct UHCI_QH { } UHCI_QH; static void uhci_async_cancel(UHCIAsync *async); -static void uhci_queue_fill(UHCIQueue *q, UHCI_TD *td, struct USBEndpoint *ep); +static void uhci_queue_fill(UHCIQueue *q, UHCI_TD *td); static inline int32_t uhci_queue_token(UHCI_TD *td) { @@ -169,7 +170,7 @@ static inline int32_t uhci_queue_token(UHCI_TD *td) return td->token & 0x7ffff; } -static UHCIQueue *uhci_queue_get(UHCIState *s, UHCI_TD *td) +static UHCIQueue *uhci_queue_get(UHCIState *s, UHCI_TD *td, USBEndpoint *ep) { uint32_t token = uhci_queue_token(td); UHCIQueue *queue; @@ -183,6 +184,7 @@ static UHCIQueue *uhci_queue_get(UHCIState *s, UHCI_TD *td) queue = g_new0(UHCIQueue, 1); queue->uhci = s; queue->token = token; + queue->ep = ep; QTAILQ_INIT(&queue->asyncs); QTAILQ_INSERT_HEAD(&s->queues, queue, next); trace_usb_uhci_queue_add(queue->token); @@ -790,11 +792,9 @@ static int uhci_handle_td(UHCIState *s, UHCIQueue *q, { UHCIAsync *async; int len = 0, max_len; - uint8_t pid; bool spd; - USBDevice *dev; - USBEndpoint *ep; bool queuing = (q != NULL); + uint8_t pid = td->token & 0xff; /* Is active ? */ if (!(td->ctrl & TD_CTRL_ACTIVE)) { @@ -828,7 +828,9 @@ static int uhci_handle_td(UHCIState *s, UHCIQueue *q, /* Allocate new packet */ if (q == NULL) { - q = uhci_queue_get(s, td); + USBDevice *dev = uhci_find_device(s, (td->token >> 8) & 0x7f); + USBEndpoint *ep = usb_ep_get(dev, pid, (td->token >> 15) & 0xf); + q = uhci_queue_get(s, td, ep); } async = uhci_async_alloc(q, td_addr); @@ -838,12 +840,8 @@ static int uhci_handle_td(UHCIState *s, UHCIQueue *q, async->queue->valid = 32; max_len = ((td->token >> 21) + 1) & 0x7ff; - pid = td->token & 0xff; spd = (pid == USB_TOKEN_IN && (td->ctrl & TD_CTRL_SPD) != 0); - - dev = uhci_find_device(s, (td->token >> 8) & 0x7f); - ep = usb_ep_get(dev, pid, (td->token >> 15) & 0xf); - usb_packet_setup(&async->packet, pid, ep, td_addr, spd, + usb_packet_setup(&async->packet, pid, q->ep, td_addr, spd, (td->ctrl & TD_CTRL_IOC) != 0); qemu_sglist_add(&async->sgl, td->buffer, max_len); usb_packet_map(&async->packet, &async->sgl); @@ -851,13 +849,13 @@ static int uhci_handle_td(UHCIState *s, UHCIQueue *q, switch(pid) { case USB_TOKEN_OUT: case USB_TOKEN_SETUP: - len = usb_handle_packet(dev, &async->packet); + len = usb_handle_packet(q->ep->dev, &async->packet); if (len >= 0) len = max_len; break; case USB_TOKEN_IN: - len = usb_handle_packet(dev, &async->packet); + len = usb_handle_packet(q->ep->dev, &async->packet); break; default: @@ -872,7 +870,7 @@ static int uhci_handle_td(UHCIState *s, UHCIQueue *q, if (len == USB_RET_ASYNC) { uhci_async_link(async); if (!queuing) { - uhci_queue_fill(q, td, ep); + uhci_queue_fill(q, td); } return TD_RESULT_ASYNC_START; } @@ -945,7 +943,7 @@ static int qhdb_insert(QhDb *db, uint32_t addr) return 0; } -static void uhci_queue_fill(UHCIQueue *q, UHCI_TD *td, struct USBEndpoint *ep) +static void uhci_queue_fill(UHCIQueue *q, UHCI_TD *td) { uint32_t int_mask = 0; uint32_t plink = td->link; @@ -969,7 +967,7 @@ static void uhci_queue_fill(UHCIQueue *q, UHCI_TD *td, struct USBEndpoint *ep) assert(int_mask == 0); plink = ptd.link; } - usb_device_flush_ep_queue(ep->dev, ep); + usb_device_flush_ep_queue(q->ep->dev, q->ep); } static void uhci_process_frame(UHCIState *s) -- cgit v1.2.1