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https://github.com/xemu-project/xemu.git
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xhci: order superspeed ports first
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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7bd3055ffd
commit
7bafd8889e
@ -498,6 +498,7 @@ typedef struct XHCIEvRingSeg {
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enum xhci_flags {
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XHCI_FLAG_USE_MSI = 1,
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XHCI_FLAG_USE_MSI_X,
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XHCI_FLAG_SS_FIRST,
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};
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static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
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@ -714,10 +715,18 @@ static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport)
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case USB_SPEED_LOW:
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case USB_SPEED_FULL:
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case USB_SPEED_HIGH:
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index = uport->index;
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if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) {
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index = uport->index + xhci->numports_3;
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} else {
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index = uport->index;
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}
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break;
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case USB_SPEED_SUPER:
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index = uport->index + xhci->numports_2;
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if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) {
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index = uport->index;
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} else {
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index = uport->index + xhci->numports_2;
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}
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break;
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default:
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return NULL;
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@ -2972,7 +2981,11 @@ static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size)
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ret = 0x20425355; /* "USB " */
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break;
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case 0x28: /* Supported Protocol:08 */
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ret = 0x00000001 | (xhci->numports_2<<8);
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if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) {
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ret = (xhci->numports_2<<8) | (xhci->numports_3+1);
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} else {
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ret = (xhci->numports_2<<8) | 1;
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}
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break;
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case 0x2c: /* Supported Protocol:0c */
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ret = 0x00000000; /* reserved */
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@ -2984,7 +2997,11 @@ static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size)
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ret = 0x20425355; /* "USB " */
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break;
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case 0x38: /* Supported Protocol:08 */
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ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8);
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if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) {
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ret = (xhci->numports_3<<8) | 1;
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} else {
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ret = (xhci->numports_3<<8) | (xhci->numports_2+1);
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}
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break;
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case 0x3c: /* Supported Protocol:0c */
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ret = 0x00000000; /* reserved */
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@ -3517,8 +3534,13 @@ static void usb_xhci_init(XHCIState *xhci)
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for (i = 0; i < usbports; i++) {
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speedmask = 0;
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if (i < xhci->numports_2) {
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port = &xhci->ports[i];
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port->portnr = i + 1;
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if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) {
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port = &xhci->ports[i + xhci->numports_3];
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port->portnr = i + 1 + xhci->numports_3;
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} else {
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port = &xhci->ports[i];
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port->portnr = i + 1;
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}
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port->uport = &xhci->uports[i];
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port->speedmask =
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USB_SPEED_MASK_LOW |
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@ -3528,8 +3550,13 @@ static void usb_xhci_init(XHCIState *xhci)
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speedmask |= port->speedmask;
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}
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if (i < xhci->numports_3) {
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port = &xhci->ports[i + xhci->numports_2];
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port->portnr = i + 1 + xhci->numports_2;
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if (xhci_get_flag(xhci, XHCI_FLAG_SS_FIRST)) {
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port = &xhci->ports[i];
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port->portnr = i + 1;
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} else {
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port = &xhci->ports[i + xhci->numports_2];
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port->portnr = i + 1 + xhci->numports_2;
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}
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port->uport = &xhci->uports[i];
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port->speedmask = USB_SPEED_MASK_SUPER;
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snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1);
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@ -3788,6 +3815,8 @@ static const VMStateDescription vmstate_xhci = {
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static Property xhci_properties[] = {
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DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true),
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DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true),
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DEFINE_PROP_BIT("superspeed-ports-first",
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XHCIState, flags, XHCI_FLAG_SS_FIRST, true),
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DEFINE_PROP_UINT32("intrs", XHCIState, numintrs, MAXINTRS),
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DEFINE_PROP_UINT32("slots", XHCIState, numslots, MAXSLOTS),
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DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4),
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@ -271,6 +271,10 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
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.driver = "apic",\
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.property = "version",\
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.value = stringify(0x11),\
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},{\
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.driver = "nec-usb-xhci",\
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.property = "superspeed-ports-first",\
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.value = "off",\
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}
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#define PC_COMPAT_1_7 \
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