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Blame 0615-usb-storage-usb3-support.patch

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