qemu/0615-usb-storage-usb3-support.patch
2012-10-28 14:05:07 -04:00

95 lines
3.0 KiB
Diff

From 9a6fd10bf6a85c4df63a7ba1cf7d6203220d722e Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Tue, 28 Aug 2012 17:29:15 +0200
Subject: [PATCH] usb-storage: usb3 support
Add usb3 descriptors to usb-storage, so it shows up as superspeed
device when connected to xhci.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
hw/usb/dev-storage.c | 46 +++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 43 insertions(+), 3 deletions(-)
diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index ff48d91..e732191 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -78,6 +78,7 @@ enum {
STR_SERIALNUMBER,
STR_CONFIG_FULL,
STR_CONFIG_HIGH,
+ STR_CONFIG_SUPER,
};
static const USBDescStrings desc_strings = {
@@ -86,6 +87,7 @@ static const USBDescStrings desc_strings = {
[STR_SERIALNUMBER] = "1",
[STR_CONFIG_FULL] = "Full speed config (usb 1.1)",
[STR_CONFIG_HIGH] = "High speed config (usb 2.0)",
+ [STR_CONFIG_SUPER] = "Super speed config (usb 3.0)",
};
static const USBDescIface desc_iface_full = {
@@ -158,6 +160,43 @@ static const USBDescDevice desc_device_high = {
},
};
+static const USBDescIface desc_iface_super = {
+ .bInterfaceNumber = 0,
+ .bNumEndpoints = 2,
+ .bInterfaceClass = USB_CLASS_MASS_STORAGE,
+ .bInterfaceSubClass = 0x06, /* SCSI */
+ .bInterfaceProtocol = 0x50, /* Bulk */
+ .eps = (USBDescEndpoint[]) {
+ {
+ .bEndpointAddress = USB_DIR_IN | 0x01,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = 1024,
+ .bMaxBurst = 15,
+ },{
+ .bEndpointAddress = USB_DIR_OUT | 0x02,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = 1024,
+ .bMaxBurst = 15,
+ },
+ }
+};
+
+static const USBDescDevice desc_device_super = {
+ .bcdUSB = 0x0300,
+ .bMaxPacketSize0 = 9,
+ .bNumConfigurations = 1,
+ .confs = (USBDescConfig[]) {
+ {
+ .bNumInterfaces = 1,
+ .bConfigurationValue = 1,
+ .iConfiguration = STR_CONFIG_SUPER,
+ .bmAttributes = 0xc0,
+ .nif = 1,
+ .ifs = &desc_iface_super,
+ },
+ },
+};
+
static const USBDesc desc = {
.id = {
.idVendor = 0x46f4, /* CRC16() of "QEMU" */
@@ -167,9 +206,10 @@ static const USBDesc desc = {
.iProduct = STR_PRODUCT,
.iSerialNumber = STR_SERIALNUMBER,
},
- .full = &desc_device_full,
- .high = &desc_device_high,
- .str = desc_strings,
+ .full = &desc_device_full,
+ .high = &desc_device_high,
+ .super = &desc_device_super,
+ .str = desc_strings,
};
static void usb_msd_copy_data(MSDState *s, USBPacket *p)
--
1.7.12.1