Blame SOURCES/kvm-usb-Add-max_streams-attribute-to-endpoint-info.patch

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From 232db7b0f138480202ce2bba4e69de5b0972c455 Mon Sep 17 00:00:00 2001
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From: Gerd Hoffmann <kraxel@redhat.com>
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Date: Fri, 11 Jul 2014 14:20:53 +0200
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Subject: [PATCH 19/43] usb: Add max_streams attribute to endpoint info
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Message-id: <1405088470-24115-21-git-send-email-kraxel@redhat.com>
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Patchwork-id: 59847
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O-Subject: [RHEL-7.1 qemu-kvm PATCH 20/37] usb: Add max_streams attribute to endpoint info
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Bugzilla: 1111450
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RH-Acked-by: Dr. David Alan Gilbert (git) <dgilbert@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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(cherry picked from commit 04b300f85fafd2d6a92ec0a766f0035e9bc5835c)
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---
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 hw/usb/core.c    | 22 ++++++++++++++++++++++
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 hw/usb/desc.c    |  2 ++
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 include/hw/usb.h |  3 +++
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 3 files changed, 27 insertions(+)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 hw/usb/core.c    | 22 ++++++++++++++++++++++
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 hw/usb/desc.c    |  2 ++
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 include/hw/usb.h |  3 +++
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 3 files changed, 27 insertions(+)
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diff --git a/hw/usb/core.c b/hw/usb/core.c
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index cf59a1a..67ba7d6 100644
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--- a/hw/usb/core.c
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+++ b/hw/usb/core.c
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@@ -623,6 +623,7 @@ void usb_ep_reset(USBDevice *dev)
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     dev->ep_ctl.type = USB_ENDPOINT_XFER_CONTROL;
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     dev->ep_ctl.ifnum = 0;
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     dev->ep_ctl.max_packet_size = 64;
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+    dev->ep_ctl.max_streams = 0;
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     dev->ep_ctl.dev = dev;
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     dev->ep_ctl.pipeline = false;
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     for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) {
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@@ -636,6 +637,8 @@ void usb_ep_reset(USBDevice *dev)
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         dev->ep_out[ep].ifnum = USB_INTERFACE_INVALID;
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         dev->ep_in[ep].max_packet_size = 0;
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         dev->ep_out[ep].max_packet_size = 0;
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+        dev->ep_in[ep].max_streams = 0;
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+        dev->ep_out[ep].max_streams = 0;
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         dev->ep_in[ep].dev = dev;
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         dev->ep_out[ep].dev = dev;
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         dev->ep_in[ep].pipeline = false;
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@@ -764,6 +767,25 @@ int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep)
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     return uep->max_packet_size;
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 }
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+void usb_ep_set_max_streams(USBDevice *dev, int pid, int ep, uint8_t raw)
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+{
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+    struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
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+    int MaxStreams;
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+
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+    MaxStreams = raw & 0x1f;
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+    if (MaxStreams) {
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+        uep->max_streams = 1 << MaxStreams;
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+    } else {
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+        uep->max_streams = 0;
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+    }
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+}
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+
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+int usb_ep_get_max_streams(USBDevice *dev, int pid, int ep)
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+{
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+    struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
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+    return uep->max_streams;
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+}
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+
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 void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled)
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 {
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     struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
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diff --git a/hw/usb/desc.c b/hw/usb/desc.c
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index 5a954c6..f133ddb 100644
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--- a/hw/usb/desc.c
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+++ b/hw/usb/desc.c
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@@ -385,6 +385,8 @@ static void usb_desc_ep_init(USBDevice *dev)
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             usb_ep_set_ifnum(dev, pid, ep, iface->bInterfaceNumber);
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             usb_ep_set_max_packet_size(dev, pid, ep,
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                                        iface->eps[e].wMaxPacketSize);
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+            usb_ep_set_max_streams(dev, pid, ep,
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+                                   iface->eps[e].bmAttributes_super);
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         }
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     }
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 }
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diff --git a/include/hw/usb.h b/include/hw/usb.h
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index 5668701..116293e 100644
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--- a/include/hw/usb.h
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+++ b/include/hw/usb.h
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@@ -199,6 +199,7 @@ struct USBEndpoint {
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     uint8_t type;
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     uint8_t ifnum;
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     int max_packet_size;
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+    int max_streams;
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     bool pipeline;
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     bool halted;
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     USBDevice *dev;
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@@ -433,6 +434,8 @@ void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum);
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 void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep,
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                                 uint16_t raw);
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 int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep);
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+void usb_ep_set_max_streams(USBDevice *dev, int pid, int ep, uint8_t raw);
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+int usb_ep_get_max_streams(USBDevice *dev, int pid, int ep);
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 void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled);
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 void usb_ep_set_halted(USBDevice *dev, int pid, int ep, bool halted);
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 USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep,
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-- 
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1.8.3.1
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