diff options
Diffstat (limited to 'hw/usb/hcd-xhci.c')
| -rw-r--r-- | hw/usb/hcd-xhci.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index 8f1a01a405..19c64f7ff4 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -1571,6 +1571,11 @@ static void xhci_stall_ep(XHCITransfer *xfer) uint32_t err; XHCIStreamContext *sctx; + if (epctx->type == ET_ISO_IN || epctx->type == ET_ISO_OUT) { + /* never halt isoch endpoints, 4.10.2 */ + return; + } + if (epctx->nr_pstreams) { sctx = xhci_find_stream(epctx, xfer->streamid, &err); if (sctx == NULL) { @@ -1944,6 +1949,16 @@ static void xhci_kick_epctx(XHCIEPContext *epctx, unsigned int streamid) while (1) { length = xhci_ring_chain_length(xhci, ring); if (length <= 0) { + if (epctx->type == ET_ISO_OUT || epctx->type == ET_ISO_IN) { + /* 4.10.3.1 */ + XHCIEvent ev = { ER_TRANSFER }; + ev.ccode = epctx->type == ET_ISO_IN ? + CC_RING_OVERRUN : CC_RING_UNDERRUN; + ev.slotid = epctx->slotid; + ev.epid = epctx->epid; + ev.ptr = epctx->ring.dequeue; + xhci_event(xhci, &ev, xhci->slots[epctx->slotid-1].intr); + } break; } xfer = xhci_ep_alloc_xfer(epctx, length); @@ -2023,6 +2038,7 @@ static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) xhci->slots[slotid-1].enabled = 0; xhci->slots[slotid-1].addressed = 0; xhci->slots[slotid-1].uport = NULL; + xhci->slots[slotid-1].intr = 0; return CC_SUCCESS; } @@ -2122,6 +2138,7 @@ static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, slot = &xhci->slots[slotid-1]; slot->uport = uport; slot->ctx = octx; + slot->intr = get_field(slot_ctx[2], TRB_INTR); /* Make sure device is in USB_STATE_DEFAULT state */ usb_device_reset(dev); @@ -2295,8 +2312,9 @@ static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, slot_ctx[1] &= ~0xFFFF; /* max exit latency */ slot_ctx[1] |= islot_ctx[1] & 0xFFFF; - slot_ctx[2] &= ~0xFF00000; /* interrupter target */ - slot_ctx[2] |= islot_ctx[2] & 0xFF000000; + /* update interrupter target field */ + xhci->slots[slotid-1].intr = get_field(islot_ctx[2], TRB_INTR); + set_field(&slot_ctx[2], xhci->slots[slotid-1].intr, TRB_INTR); DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); |