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-rw-r--r--hw/usb/hcd-xhci.c45
-rw-r--r--include/hw/i386/pc.h4
2 files changed, 41 insertions, 8 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 72308e056e..7f2af8925f 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -498,6 +498,7 @@ typedef struct XHCIEvRingSeg {
enum xhci_flags {
XHCI_FLAG_USE_MSI = 1,
XHCI_FLAG_USE_MSI_X,
+ XHCI_FLAG_SS_FIRST,
};
static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
@@ -714,10 +715,18 @@ static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport)
case USB_SPEED_LOW:
case USB_SPEED_FULL:
case USB_SPEED_HIGH:
- index = uport->index;
+ if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) {
+ index = uport->index + xhci->numports_3;
+ } else {
+ index = uport->index;
+ }
break;
case USB_SPEED_SUPER:
- index = uport->index + xhci->numports_2;
+ if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) {
+ index = uport->index;
+ } else {
+ index = uport->index + xhci->numports_2;
+ }
break;
default:
return NULL;
@@ -2972,7 +2981,11 @@ static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size)
ret = 0x20425355; /* "USB " */
break;
case 0x28: /* Supported Protocol:08 */
- ret = 0x00000001 | (xhci->numports_2<<8);
+ if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) {
+ ret = (xhci->numports_2<<8) | (xhci->numports_3+1);
+ } else {
+ ret = (xhci->numports_2<<8) | 1;
+ }
break;
case 0x2c: /* Supported Protocol:0c */
ret = 0x00000000; /* reserved */
@@ -2984,7 +2997,11 @@ static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size)
ret = 0x20425355; /* "USB " */
break;
case 0x38: /* Supported Protocol:08 */
- ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8);
+ if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) {
+ ret = (xhci->numports_3<<8) | 1;
+ } else {
+ ret = (xhci->numports_3<<8) | (xhci->numports_2+1);
+ }
break;
case 0x3c: /* Supported Protocol:0c */
ret = 0x00000000; /* reserved */
@@ -3517,8 +3534,13 @@ static void usb_xhci_init(XHCIState *xhci)
for (i = 0; i < usbports; i++) {
speedmask = 0;
if (i < xhci->numports_2) {
- port = &xhci->ports[i];
- port->portnr = i + 1;
+ if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) {
+ port = &xhci->ports[i + xhci->numports_3];
+ port->portnr = i + 1 + xhci->numports_3;
+ } else {
+ port = &xhci->ports[i];
+ port->portnr = i + 1;
+ }
port->uport = &xhci->uports[i];
port->speedmask =
USB_SPEED_MASK_LOW |
@@ -3528,8 +3550,13 @@ static void usb_xhci_init(XHCIState *xhci)
speedmask |= port->speedmask;
}
if (i < xhci->numports_3) {
- port = &xhci->ports[i + xhci->numports_2];
- port->portnr = i + 1 + xhci->numports_2;
+ if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) {
+ port = &xhci->ports[i];
+ port->portnr = i + 1;
+ } else {
+ port = &xhci->ports[i + xhci->numports_2];
+ port->portnr = i + 1 + xhci->numports_2;
+ }
port->uport = &xhci->uports[i];
port->speedmask = USB_SPEED_MASK_SUPER;
snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1);
@@ -3788,6 +3815,8 @@ static const VMStateDescription vmstate_xhci = {
static Property xhci_properties[] = {
DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true),
DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true),
+ DEFINE_PROP_BIT("superspeed-ports-first",
+ XHCIState, flags, XHCI_FLAG_SS_FIRST, true),
DEFINE_PROP_UINT32("intrs", XHCIState, numintrs, MAXINTRS),
DEFINE_PROP_UINT32("slots", XHCIState, numslots, MAXSLOTS),
DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4),
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 32a76876c7..31328a8157 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -271,6 +271,10 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
.driver = "apic",\
.property = "version",\
.value = stringify(0x11),\
+ },{\
+ .driver = "nec-usb-xhci",\
+ .property = "superspeed-ports-first",\
+ .value = "off",\
}
#define PC_COMPAT_1_7 \