diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2014-05-15 12:42:16 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2014-06-02 16:38:09 +0200 |
| commit | 7bafd8889ea3599285a8fcb1262d50e52d941c0e (patch) | |
| tree | e1548c6f09a5862de39eba2226c363e0e1f7ddd2 /hw/usb/hcd-xhci.c | |
| parent | 7bd3055ffd5f87d83f04659e496c91fbfc839143 (diff) | |
xhci: order superspeed ports first
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb/hcd-xhci.c')
| -rw-r--r-- | hw/usb/hcd-xhci.c | 45 |
1 files changed, 37 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), |