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path: root/hw/usb/hcd-xhci.c
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Diffstat (limited to 'hw/usb/hcd-xhci.c')
-rw-r--r--hw/usb/hcd-xhci.c70
1 files changed, 59 insertions, 11 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index d5c6588053..f02231dc87 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -355,6 +355,7 @@ typedef struct XHCITransfer {
unsigned int streamid;
bool in_xfer;
bool iso_xfer;
+ bool timed_xfer;
unsigned int trb_count;
unsigned int trb_alloced;
@@ -586,6 +587,14 @@ static const char *TRBCCode_names[] = {
[CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR",
};
+static const char *ep_state_names[] = {
+ [EP_DISABLED] = "disabled",
+ [EP_RUNNING] = "running",
+ [EP_HALTED] = "halted",
+ [EP_STOPPED] = "stopped",
+ [EP_ERROR] = "error",
+};
+
static const char *lookup_name(uint32_t index, const char **list, uint32_t llen)
{
if (index >= llen || list[index] == NULL) {
@@ -606,6 +615,12 @@ static const char *event_name(XHCIEvent *event)
ARRAY_SIZE(TRBCCode_names));
}
+static const char *ep_state_name(uint32_t state)
+{
+ return lookup_name(state, ep_state_names,
+ ARRAY_SIZE(ep_state_names));
+}
+
static uint64_t xhci_mfindex_get(XHCIState *xhci)
{
int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
@@ -1164,8 +1179,6 @@ static XHCIStreamContext *xhci_find_stream(XHCIEPContext *epctx,
if (sctx->sct == -1) {
xhci_dma_read_u32s(epctx->xhci, sctx->pctx, ctx, sizeof(ctx));
- fprintf(stderr, "%s: init sctx #%d @ " DMA_ADDR_FMT ": %08x %08x\n",
- __func__, streamid, sctx->pctx, ctx[0], ctx[1]);
sct = (ctx[0] >> 1) & 0x07;
if (epctx->lsa && sct != 1) {
*cc_error = CC_INVALID_STREAM_TYPE_ERROR;
@@ -1205,6 +1218,11 @@ static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx,
}
xhci_dma_write_u32s(xhci, epctx->pctx, ctx, sizeof(ctx));
+ if (epctx->state != state) {
+ trace_usb_xhci_ep_state(epctx->slotid, epctx->epid,
+ ep_state_name(epctx->state),
+ ep_state_name(state));
+ }
epctx->state = state;
}
@@ -1257,7 +1275,7 @@ static void xhci_init_epctx(XHCIEPContext *epctx,
epctx->ring.ccs = ctx[2] & 1;
}
- epctx->interval = 1 << (ctx[0] >> 16) & 0xff;
+ epctx->interval = 1 << ((ctx[0] >> 16) & 0xff);
}
static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
@@ -1803,6 +1821,7 @@ static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer)
xfer->in_xfer = bmRequestType & USB_DIR_IN;
xfer->iso_xfer = false;
+ xfer->timed_xfer = false;
if (xhci_setup_packet(xfer) < 0) {
return -1;
@@ -1818,6 +1837,17 @@ static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer)
return 0;
}
+static void xhci_calc_intr_kick(XHCIState *xhci, XHCITransfer *xfer,
+ XHCIEPContext *epctx, uint64_t mfindex)
+{
+ uint64_t asap = ((mfindex + epctx->interval - 1) &
+ ~(epctx->interval-1));
+ uint64_t kick = epctx->mfindex_last + epctx->interval;
+
+ assert(epctx->interval != 0);
+ xfer->mfindex_kick = MAX(asap, kick);
+}
+
static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
XHCIEPContext *epctx, uint64_t mfindex)
{
@@ -1840,8 +1870,8 @@ static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
}
}
-static void xhci_check_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
- XHCIEPContext *epctx, uint64_t mfindex)
+static void xhci_check_intr_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
+ XHCIEPContext *epctx, uint64_t mfindex)
{
if (xfer->mfindex_kick > mfindex) {
timer_mod(epctx->kick_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
@@ -1866,18 +1896,30 @@ static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx
switch(epctx->type) {
case ET_INTR_OUT:
case ET_INTR_IN:
+ xfer->pkts = 0;
+ xfer->iso_xfer = false;
+ xfer->timed_xfer = true;
+ mfindex = xhci_mfindex_get(xhci);
+ xhci_calc_intr_kick(xhci, xfer, epctx, mfindex);
+ xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex);
+ if (xfer->running_retry) {
+ return -1;
+ }
+ break;
case ET_BULK_OUT:
case ET_BULK_IN:
xfer->pkts = 0;
xfer->iso_xfer = false;
+ xfer->timed_xfer = false;
break;
case ET_ISO_OUT:
case ET_ISO_IN:
xfer->pkts = 1;
xfer->iso_xfer = true;
+ xfer->timed_xfer = true;
mfindex = xhci_mfindex_get(xhci);
xhci_calc_iso_kick(xhci, xfer, epctx, mfindex);
- xhci_check_iso_kick(xhci, xfer, epctx, mfindex);
+ xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex);
if (xfer->running_retry) {
return -1;
}
@@ -1938,13 +1980,18 @@ static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
trace_usb_xhci_xfer_retry(xfer);
assert(xfer->running_retry);
- if (xfer->iso_xfer) {
- /* retry delayed iso transfer */
+ if (xfer->timed_xfer) {
+ /* time to kick the transfer? */
mfindex = xhci_mfindex_get(xhci);
- xhci_check_iso_kick(xhci, xfer, epctx, mfindex);
+ xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex);
if (xfer->running_retry) {
return;
}
+ xfer->timed_xfer = 0;
+ xfer->running_retry = 1;
+ }
+ if (xfer->iso_xfer) {
+ /* retry iso transfer */
if (xhci_setup_packet(xfer) < 0) {
return;
}
@@ -2030,7 +2077,7 @@ static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE;
ep = xfer->packet.ep;
} else {
- if (!xfer->iso_xfer) {
+ if (!xfer->timed_xfer) {
fprintf(stderr, "xhci: error firing data transfer\n");
}
}
@@ -2076,6 +2123,7 @@ 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;
return CC_SUCCESS;
}
@@ -2118,7 +2166,6 @@ static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid,
int i;
TRBCCode res;
- trace_usb_xhci_slot_address(slotid);
assert(slotid >= 1 && slotid <= xhci->numslots);
dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high);
@@ -2151,6 +2198,7 @@ static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid,
fprintf(stderr, "xhci: port not found\n");
return CC_TRB_ERROR;
}
+ trace_usb_xhci_slot_address(slotid, uport->path);
dev = uport->dev;
if (!dev) {
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-11 20:23:55 +0000