1347 lines
43 KiB
Diff
1347 lines
43 KiB
Diff
|
From 961391dad70649ac54a3011b5f9ba54f44d476e6 Mon Sep 17 00:00:00 2001
|
||
|
From: Hans de Goede <hdegoede@redhat.com>
|
||
|
Date: Tue, 31 May 2011 14:59:41 +0200
|
||
|
Subject: [PATCH 24/35] USB: add usb network redirection support
|
||
|
|
||
|
This patch adds support for a usb-redir device, which takes a chardev
|
||
|
as a communication channel to an actual usbdevice using the usbredir protocol.
|
||
|
|
||
|
Compiling the usb-redir device requires usbredir-0.3 to be installed for
|
||
|
the usbredir protocol parser, usbredir-0.3 also contains a server for
|
||
|
redirecting usb traffic from an actual usb device. You can get the 0.3
|
||
|
release of usbredir here:
|
||
|
http://people.fedoraproject.org/~jwrdegoede/usbredir-0.3.tar.bz2
|
||
|
(getting a more formal site for it is a WIP)
|
||
|
|
||
|
Example usage:
|
||
|
1) Start usbredirserver for a usb device:
|
||
|
sudo usbredirserver 045e:0772
|
||
|
2) Start qemu with usb2 support + a chardev talking to usbredirserver +
|
||
|
a usb-redir device using this chardev:
|
||
|
qemu ... \
|
||
|
-readconfig docs/ich9-ehci-uhci.cfg \
|
||
|
-chardev socket,id=usbredirchardev,host=localhost,port=4000 \
|
||
|
-device usb-redir,chardev=usbredirchardev,id=usbredirdev
|
||
|
|
||
|
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
|
||
|
---
|
||
|
Makefile.objs | 1 +
|
||
|
configure | 28 ++
|
||
|
usb-redir.c | 1218 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
|
||
|
3 files changed, 1247 insertions(+), 0 deletions(-)
|
||
|
create mode 100644 usb-redir.c
|
||
|
|
||
|
diff --git a/Makefile.objs b/Makefile.objs
|
||
|
index dbde6b1..ed8cfa2 100644
|
||
|
--- a/Makefile.objs
|
||
|
+++ b/Makefile.objs
|
||
|
@@ -208,6 +208,7 @@ hw-obj-$(CONFIG_HPET) += hpet.o
|
||
|
hw-obj-$(CONFIG_APPLESMC) += applesmc.o
|
||
|
hw-obj-$(CONFIG_SMARTCARD) += usb-ccid.o ccid-card-passthru.o
|
||
|
hw-obj-$(CONFIG_SMARTCARD_NSS) += ccid-card-emulated.o
|
||
|
+hw-obj-$(CONFIG_USB_REDIR) += usb-redir.o
|
||
|
|
||
|
# PPC devices
|
||
|
hw-obj-$(CONFIG_OPENPIC) += openpic.o
|
||
|
diff --git a/configure b/configure
|
||
|
index a896f11..4576f21 100755
|
||
|
--- a/configure
|
||
|
+++ b/configure
|
||
|
@@ -190,6 +190,7 @@ spice=""
|
||
|
rbd=""
|
||
|
smartcard=""
|
||
|
smartcard_nss=""
|
||
|
+usb_redir=""
|
||
|
opengl=""
|
||
|
|
||
|
# parse CC options first
|
||
|
@@ -773,6 +774,10 @@ for opt do
|
||
|
;;
|
||
|
--enable-smartcard-nss) smartcard_nss="yes"
|
||
|
;;
|
||
|
+ --disable-usb-redir) usb_redir="no"
|
||
|
+ ;;
|
||
|
+ --enable-usb-redir) usb_redir="yes"
|
||
|
+ ;;
|
||
|
*) echo "ERROR: unknown option $opt"; show_help="yes"
|
||
|
;;
|
||
|
esac
|
||
|
@@ -1053,6 +1058,8 @@ echo " --disable-smartcard disable smartcard support"
|
||
|
echo " --enable-smartcard enable smartcard support"
|
||
|
echo " --disable-smartcard-nss disable smartcard nss support"
|
||
|
echo " --enable-smartcard-nss enable smartcard nss support"
|
||
|
+echo " --disable-usb-redir disable usb network redirection support"
|
||
|
+echo " --enable-usb-redir enable usb network redirection support"
|
||
|
echo ""
|
||
|
echo "NOTE: The object files are built at the place where configure is launched"
|
||
|
exit 1
|
||
|
@@ -2427,6 +2434,22 @@ if test "$smartcard" = "no" ; then
|
||
|
smartcard_nss="no"
|
||
|
fi
|
||
|
|
||
|
+# check for usbredirparser for usb network redirection support
|
||
|
+if test "$usb_redir" != "no" ; then
|
||
|
+ if $pkg_config libusbredirparser >/dev/null 2>&1 ; then
|
||
|
+ usb_redir="yes"
|
||
|
+ usb_redir_cflags=$($pkg_config --cflags libusbredirparser 2>/dev/null)
|
||
|
+ usb_redir_libs=$($pkg_config --libs libusbredirparser 2>/dev/null)
|
||
|
+ QEMU_CFLAGS="$QEMU_CFLAGS $usb_redir_cflags"
|
||
|
+ LIBS="$LIBS $usb_redir_libs"
|
||
|
+ else
|
||
|
+ if test "$usb_redir" = "yes"; then
|
||
|
+ feature_not_found "usb-redir"
|
||
|
+ fi
|
||
|
+ usb_redir="no"
|
||
|
+ fi
|
||
|
+fi
|
||
|
+
|
||
|
##########################################
|
||
|
|
||
|
##########################################
|
||
|
@@ -2676,6 +2699,7 @@ echo "spice support $spice"
|
||
|
echo "rbd support $rbd"
|
||
|
echo "xfsctl support $xfs"
|
||
|
echo "nss used $smartcard_nss"
|
||
|
+echo "usb net redir $usb_redir"
|
||
|
echo "OpenGL support $opengl"
|
||
|
|
||
|
if test $sdl_too_old = "yes"; then
|
||
|
@@ -2974,6 +2998,10 @@ if test "$smartcard_nss" = "yes" ; then
|
||
|
echo "CONFIG_SMARTCARD_NSS=y" >> $config_host_mak
|
||
|
fi
|
||
|
|
||
|
+if test "$usb_redir" = "yes" ; then
|
||
|
+ echo "CONFIG_USB_REDIR=y" >> $config_host_mak
|
||
|
+fi
|
||
|
+
|
||
|
if test "$opengl" = "yes" ; then
|
||
|
echo "CONFIG_OPENGL=y" >> $config_host_mak
|
||
|
fi
|
||
|
diff --git a/usb-redir.c b/usb-redir.c
|
||
|
new file mode 100644
|
||
|
index 0000000..e212993
|
||
|
--- /dev/null
|
||
|
+++ b/usb-redir.c
|
||
|
@@ -0,0 +1,1218 @@
|
||
|
+/*
|
||
|
+ * USB redirector usb-guest
|
||
|
+ *
|
||
|
+ * Copyright (c) 2011 Red Hat, Inc.
|
||
|
+ *
|
||
|
+ * Red Hat Authors:
|
||
|
+ * Hans de Goede <hdegoede@redhat.com>
|
||
|
+ *
|
||
|
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
+ * of this software and associated documentation files (the "Software"), to deal
|
||
|
+ * in the Software without restriction, including without limitation the rights
|
||
|
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
+ * copies of the Software, and to permit persons to whom the Software is
|
||
|
+ * furnished to do so, subject to the following conditions:
|
||
|
+ *
|
||
|
+ * The above copyright notice and this permission notice shall be included in
|
||
|
+ * all copies or substantial portions of the Software.
|
||
|
+ *
|
||
|
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||
|
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
|
+ * THE SOFTWARE.
|
||
|
+ */
|
||
|
+
|
||
|
+#include "qemu-common.h"
|
||
|
+#include "qemu-timer.h"
|
||
|
+#include "monitor.h"
|
||
|
+#include "sysemu.h"
|
||
|
+
|
||
|
+#include <dirent.h>
|
||
|
+#include <sys/ioctl.h>
|
||
|
+#include <signal.h>
|
||
|
+#include <usbredirparser.h>
|
||
|
+
|
||
|
+#include "hw/usb.h"
|
||
|
+
|
||
|
+#define MAX_ENDPOINTS 32
|
||
|
+#define EP2I(ep_address) (((ep_address & 0x80) >> 3) | (ep_address & 0x0f))
|
||
|
+#define I2EP(i) (((i & 0x10) << 3) | (i & 0x0f))
|
||
|
+
|
||
|
+typedef struct AsyncURB AsyncURB;
|
||
|
+typedef struct USBRedirDevice USBRedirDevice;
|
||
|
+
|
||
|
+/* Struct to hold buffered packets (iso or int input packets) */
|
||
|
+struct buf_packet {
|
||
|
+ uint8_t *data;
|
||
|
+ int len;
|
||
|
+ int status;
|
||
|
+ QTAILQ_ENTRY(buf_packet)next;
|
||
|
+};
|
||
|
+
|
||
|
+struct endp_data {
|
||
|
+ uint8_t type;
|
||
|
+ uint8_t interval;
|
||
|
+ uint8_t interface; /* bInterfaceNumber this ep belongs to */
|
||
|
+ uint8_t iso_started;
|
||
|
+ uint8_t iso_error; /* For reporting iso errors to the HC */
|
||
|
+ uint8_t interrupt_started;
|
||
|
+ uint8_t interrupt_error;
|
||
|
+ QTAILQ_HEAD(, buf_packet) bufpq;
|
||
|
+};
|
||
|
+
|
||
|
+struct USBRedirDevice {
|
||
|
+ USBDevice dev;
|
||
|
+ /* Properties */
|
||
|
+ CharDriverState *cs;
|
||
|
+ uint8_t debug;
|
||
|
+ /* Data passed from chardev the fd_read cb to the usbredirparser read cb */
|
||
|
+ const uint8_t *read_buf;
|
||
|
+ int read_buf_size;
|
||
|
+ /* For async handling of open/close */
|
||
|
+ QEMUBH *open_close_bh;
|
||
|
+ /* To delay the usb attach in case of quick chardev close + open */
|
||
|
+ QEMUTimer *attach_timer;
|
||
|
+ int64_t next_attach_time;
|
||
|
+ struct usbredirparser *parser;
|
||
|
+ struct endp_data endpoint[MAX_ENDPOINTS];
|
||
|
+ uint32_t packet_id;
|
||
|
+ QTAILQ_HEAD(, AsyncURB) asyncq;
|
||
|
+};
|
||
|
+
|
||
|
+struct AsyncURB {
|
||
|
+ USBRedirDevice *dev;
|
||
|
+ USBPacket *packet;
|
||
|
+ uint32_t packet_id;
|
||
|
+ int get;
|
||
|
+ union {
|
||
|
+ struct usb_redir_control_packet_header control_packet;
|
||
|
+ struct usb_redir_bulk_packet_header bulk_packet;
|
||
|
+ struct usb_redir_interrupt_packet_header interrupt_packet;
|
||
|
+ };
|
||
|
+ QTAILQ_ENTRY(AsyncURB)next;
|
||
|
+};
|
||
|
+
|
||
|
+static void usbredir_device_connect(void *priv,
|
||
|
+ struct usb_redir_device_connect_header *device_connect);
|
||
|
+static void usbredir_device_disconnect(void *priv);
|
||
|
+static void usbredir_interface_info(void *priv,
|
||
|
+ struct usb_redir_interface_info_header *interface_info);
|
||
|
+static void usbredir_ep_info(void *priv,
|
||
|
+ struct usb_redir_ep_info_header *ep_info);
|
||
|
+static void usbredir_configuration_status(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_configuration_status_header *configuration_status);
|
||
|
+static void usbredir_alt_setting_status(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_alt_setting_status_header *alt_setting_status);
|
||
|
+static void usbredir_iso_stream_status(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_iso_stream_status_header *iso_stream_status);
|
||
|
+static void usbredir_interrupt_receiving_status(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_interrupt_receiving_status_header
|
||
|
+ *interrupt_receiving_status);
|
||
|
+static void usbredir_bulk_streams_status(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_bulk_streams_status_header *bulk_streams_status);
|
||
|
+static void usbredir_control_packet(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_control_packet_header *control_packet,
|
||
|
+ uint8_t *data, int data_len);
|
||
|
+static void usbredir_bulk_packet(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_bulk_packet_header *bulk_packet,
|
||
|
+ uint8_t *data, int data_len);
|
||
|
+static void usbredir_iso_packet(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_iso_packet_header *iso_packet,
|
||
|
+ uint8_t *data, int data_len);
|
||
|
+static void usbredir_interrupt_packet(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_interrupt_packet_header *interrupt_header,
|
||
|
+ uint8_t *data, int data_len);
|
||
|
+
|
||
|
+static int usbredir_handle_status(USBRedirDevice *dev,
|
||
|
+ int status, int actual_len);
|
||
|
+
|
||
|
+#define VERSION "qemu usb-redir guest " QEMU_VERSION
|
||
|
+
|
||
|
+/*
|
||
|
+ * Logging stuff
|
||
|
+ */
|
||
|
+
|
||
|
+#define ERROR(...) \
|
||
|
+ do { \
|
||
|
+ if (dev->debug >= usbredirparser_error) { \
|
||
|
+ error_report("usb-redir error: " __VA_ARGS__); \
|
||
|
+ } \
|
||
|
+ } while (0)
|
||
|
+#define WARNING(...) \
|
||
|
+ do { \
|
||
|
+ if (dev->debug >= usbredirparser_warning) { \
|
||
|
+ error_report("usb-redir warning: " __VA_ARGS__); \
|
||
|
+ } \
|
||
|
+ } while (0)
|
||
|
+#define INFO(...) \
|
||
|
+ do { \
|
||
|
+ if (dev->debug >= usbredirparser_info) { \
|
||
|
+ error_report("usb-redir: " __VA_ARGS__); \
|
||
|
+ } \
|
||
|
+ } while (0)
|
||
|
+#define DPRINTF(...) \
|
||
|
+ do { \
|
||
|
+ if (dev->debug >= usbredirparser_debug) { \
|
||
|
+ error_report("usb-redir: " __VA_ARGS__); \
|
||
|
+ } \
|
||
|
+ } while (0)
|
||
|
+#define DPRINTF2(...) \
|
||
|
+ do { \
|
||
|
+ if (dev->debug >= usbredirparser_debug_data) { \
|
||
|
+ error_report("usb-redir: " __VA_ARGS__); \
|
||
|
+ } \
|
||
|
+ } while (0)
|
||
|
+
|
||
|
+static void usbredir_log(void *priv, int level, const char *msg)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = priv;
|
||
|
+
|
||
|
+ if (dev->debug < level) {
|
||
|
+ return;
|
||
|
+ }
|
||
|
+
|
||
|
+ error_report("%s\n", msg);
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_log_data(USBRedirDevice *dev, const char *desc,
|
||
|
+ const uint8_t *data, int len)
|
||
|
+{
|
||
|
+ int i, j, n;
|
||
|
+
|
||
|
+ if (dev->debug < usbredirparser_debug_data) {
|
||
|
+ return;
|
||
|
+ }
|
||
|
+
|
||
|
+ for (i = 0; i < len; i += j) {
|
||
|
+ char buf[128];
|
||
|
+
|
||
|
+ n = sprintf(buf, "%s", desc);
|
||
|
+ for (j = 0; j < 8 && i + j < len; j++) {
|
||
|
+ n += sprintf(buf + n, " %02X", data[i + j]);
|
||
|
+ }
|
||
|
+ error_report("%s\n", buf);
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+/*
|
||
|
+ * usbredirparser io functions
|
||
|
+ */
|
||
|
+
|
||
|
+static int usbredir_read(void *priv, uint8_t *data, int count)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = priv;
|
||
|
+
|
||
|
+ if (dev->read_buf_size < count) {
|
||
|
+ count = dev->read_buf_size;
|
||
|
+ }
|
||
|
+
|
||
|
+ memcpy(data, dev->read_buf, count);
|
||
|
+
|
||
|
+ dev->read_buf_size -= count;
|
||
|
+ if (dev->read_buf_size) {
|
||
|
+ dev->read_buf += count;
|
||
|
+ } else {
|
||
|
+ dev->read_buf = NULL;
|
||
|
+ }
|
||
|
+
|
||
|
+ return count;
|
||
|
+}
|
||
|
+
|
||
|
+static int usbredir_write(void *priv, uint8_t *data, int count)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = priv;
|
||
|
+
|
||
|
+ return qemu_chr_write(dev->cs, data, count);
|
||
|
+}
|
||
|
+
|
||
|
+/*
|
||
|
+ * Async and buffered packets helpers
|
||
|
+ */
|
||
|
+
|
||
|
+static AsyncURB *async_alloc(USBRedirDevice *dev, USBPacket *p)
|
||
|
+{
|
||
|
+ AsyncURB *aurb = (AsyncURB *) qemu_mallocz(sizeof(AsyncURB));
|
||
|
+ aurb->dev = dev;
|
||
|
+ aurb->packet = p;
|
||
|
+ aurb->packet_id = dev->packet_id;
|
||
|
+ QTAILQ_INSERT_TAIL(&dev->asyncq, aurb, next);
|
||
|
+ dev->packet_id++;
|
||
|
+
|
||
|
+ return aurb;
|
||
|
+}
|
||
|
+
|
||
|
+static void async_free(USBRedirDevice *dev, AsyncURB *aurb)
|
||
|
+{
|
||
|
+ QTAILQ_REMOVE(&dev->asyncq, aurb, next);
|
||
|
+ qemu_free(aurb);
|
||
|
+}
|
||
|
+
|
||
|
+static AsyncURB *async_find(USBRedirDevice *dev, uint32_t packet_id)
|
||
|
+{
|
||
|
+ AsyncURB *aurb;
|
||
|
+
|
||
|
+ QTAILQ_FOREACH(aurb, &dev->asyncq, next) {
|
||
|
+ if (aurb->packet_id == packet_id) {
|
||
|
+ return aurb;
|
||
|
+ }
|
||
|
+ }
|
||
|
+ ERROR("could not find async urb for packet_id %u\n", packet_id);
|
||
|
+ return NULL;
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_cancel_packet(USBDevice *udev, USBPacket *p)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
|
||
|
+ AsyncURB *aurb;
|
||
|
+
|
||
|
+ QTAILQ_FOREACH(aurb, &dev->asyncq, next) {
|
||
|
+ if (p != aurb->packet) {
|
||
|
+ continue;
|
||
|
+ }
|
||
|
+
|
||
|
+ DPRINTF("async cancel id %u\n", aurb->packet_id);
|
||
|
+ usbredirparser_send_cancel_data_packet(dev->parser, aurb->packet_id);
|
||
|
+ usbredirparser_do_write(dev->parser);
|
||
|
+
|
||
|
+ /* Mark it as dead */
|
||
|
+ aurb->packet = NULL;
|
||
|
+ break;
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+static struct buf_packet *bufp_alloc(USBRedirDevice *dev,
|
||
|
+ uint8_t *data, int len, int status, uint8_t ep)
|
||
|
+{
|
||
|
+ struct buf_packet *bufp = qemu_malloc(sizeof(struct buf_packet));
|
||
|
+ bufp->data = data;
|
||
|
+ bufp->len = len;
|
||
|
+ bufp->status = status;
|
||
|
+ QTAILQ_INSERT_TAIL(&dev->endpoint[EP2I(ep)].bufpq, bufp, next);
|
||
|
+ return bufp;
|
||
|
+}
|
||
|
+
|
||
|
+static void bufp_free(USBRedirDevice *dev, struct buf_packet *bufp,
|
||
|
+ uint8_t ep)
|
||
|
+{
|
||
|
+ QTAILQ_REMOVE(&dev->endpoint[EP2I(ep)].bufpq, bufp, next);
|
||
|
+ free(bufp->data);
|
||
|
+ qemu_free(bufp);
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_free_bufpq(USBRedirDevice *dev, uint8_t ep)
|
||
|
+{
|
||
|
+ struct buf_packet *buf, *buf_next;
|
||
|
+
|
||
|
+ QTAILQ_FOREACH_SAFE(buf, &dev->endpoint[EP2I(ep)].bufpq, next, buf_next) {
|
||
|
+ bufp_free(dev, buf, ep);
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+/*
|
||
|
+ * USBDevice callbacks
|
||
|
+ */
|
||
|
+
|
||
|
+static void usbredir_handle_reset(USBDevice *udev)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
|
||
|
+
|
||
|
+ DPRINTF("reset device\n");
|
||
|
+ usbredirparser_send_reset(dev->parser);
|
||
|
+ usbredirparser_do_write(dev->parser);
|
||
|
+}
|
||
|
+
|
||
|
+static int usbredir_handle_iso_data(USBRedirDevice *dev, USBPacket *p,
|
||
|
+ uint8_t ep)
|
||
|
+{
|
||
|
+ int status, len;
|
||
|
+
|
||
|
+ if (!dev->endpoint[EP2I(ep)].iso_started &&
|
||
|
+ !dev->endpoint[EP2I(ep)].iso_error) {
|
||
|
+ struct usb_redir_start_iso_stream_header start_iso = {
|
||
|
+ .endpoint = ep,
|
||
|
+ /* TODO maybe do something with these depending on ep interval? */
|
||
|
+ .pkts_per_urb = 32,
|
||
|
+ .no_urbs = 3,
|
||
|
+ };
|
||
|
+ /* No id, we look at the ep when receiving a status back */
|
||
|
+ usbredirparser_send_start_iso_stream(dev->parser, 0, &start_iso);
|
||
|
+ usbredirparser_do_write(dev->parser);
|
||
|
+ DPRINTF("iso stream started ep %02X\n", ep);
|
||
|
+ dev->endpoint[EP2I(ep)].iso_started = 1;
|
||
|
+ }
|
||
|
+
|
||
|
+ if (ep & USB_DIR_IN) {
|
||
|
+ struct buf_packet *isop;
|
||
|
+
|
||
|
+ isop = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq);
|
||
|
+ if (isop == NULL) {
|
||
|
+ DPRINTF2("iso-token-in ep %02X, no isop\n", ep);
|
||
|
+ /* Check iso_error for stream errors, otherwise its an underrun */
|
||
|
+ status = dev->endpoint[EP2I(ep)].iso_error;
|
||
|
+ dev->endpoint[EP2I(ep)].iso_error = 0;
|
||
|
+ return usbredir_handle_status(dev, status, 0);
|
||
|
+ }
|
||
|
+ DPRINTF2("iso-token-in ep %02X status %d len %d\n", ep, isop->status,
|
||
|
+ isop->len);
|
||
|
+
|
||
|
+ status = isop->status;
|
||
|
+ if (status != usb_redir_success) {
|
||
|
+ bufp_free(dev, isop, ep);
|
||
|
+ return usbredir_handle_status(dev, status, 0);
|
||
|
+ }
|
||
|
+
|
||
|
+ len = isop->len;
|
||
|
+ if (len > p->len) {
|
||
|
+ ERROR("received iso data is larger then packet ep %02X\n", ep);
|
||
|
+ bufp_free(dev, isop, ep);
|
||
|
+ return USB_RET_NAK;
|
||
|
+ }
|
||
|
+ memcpy(p->data, isop->data, len);
|
||
|
+ bufp_free(dev, isop, ep);
|
||
|
+ return len;
|
||
|
+ } else {
|
||
|
+ /* If the stream was not started because of a pending error don't
|
||
|
+ send the packet to the usb-host */
|
||
|
+ if (dev->endpoint[EP2I(ep)].iso_started) {
|
||
|
+ struct usb_redir_iso_packet_header iso_packet = {
|
||
|
+ .endpoint = ep,
|
||
|
+ .length = p->len
|
||
|
+ };
|
||
|
+ /* No id, we look at the ep when receiving a status back */
|
||
|
+ usbredirparser_send_iso_packet(dev->parser, 0, &iso_packet,
|
||
|
+ p->data, p->len);
|
||
|
+ usbredirparser_do_write(dev->parser);
|
||
|
+ }
|
||
|
+ status = dev->endpoint[EP2I(ep)].iso_error;
|
||
|
+ dev->endpoint[EP2I(ep)].iso_error = 0;
|
||
|
+ DPRINTF2("iso-token-out ep %02X status %d len %d\n", ep, status,
|
||
|
+ p->len);
|
||
|
+ return usbredir_handle_status(dev, status, p->len);
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_stop_iso_stream(USBRedirDevice *dev, uint8_t ep)
|
||
|
+{
|
||
|
+ struct usb_redir_stop_iso_stream_header stop_iso_stream = {
|
||
|
+ .endpoint = ep
|
||
|
+ };
|
||
|
+ if (dev->endpoint[EP2I(ep)].iso_started) {
|
||
|
+ usbredirparser_send_stop_iso_stream(dev->parser, 0, &stop_iso_stream);
|
||
|
+ DPRINTF("iso stream stopped ep %02X\n", ep);
|
||
|
+ dev->endpoint[EP2I(ep)].iso_started = 0;
|
||
|
+ }
|
||
|
+ usbredir_free_bufpq(dev, ep);
|
||
|
+}
|
||
|
+
|
||
|
+static int usbredir_handle_bulk_data(USBRedirDevice *dev, USBPacket *p,
|
||
|
+ uint8_t ep)
|
||
|
+{
|
||
|
+ AsyncURB *aurb = async_alloc(dev, p);
|
||
|
+ struct usb_redir_bulk_packet_header bulk_packet;
|
||
|
+
|
||
|
+ DPRINTF("bulk-out ep %02X len %d id %u\n", ep, p->len, aurb->packet_id);
|
||
|
+
|
||
|
+ bulk_packet.endpoint = ep;
|
||
|
+ bulk_packet.length = p->len;
|
||
|
+ bulk_packet.stream_id = 0;
|
||
|
+ aurb->bulk_packet = bulk_packet;
|
||
|
+
|
||
|
+ if (ep & USB_DIR_IN) {
|
||
|
+ usbredirparser_send_bulk_packet(dev->parser, aurb->packet_id,
|
||
|
+ &bulk_packet, NULL, 0);
|
||
|
+ } else {
|
||
|
+ usbredir_log_data(dev, "bulk data out:", p->data, p->len);
|
||
|
+ usbredirparser_send_bulk_packet(dev->parser, aurb->packet_id,
|
||
|
+ &bulk_packet, p->data, p->len);
|
||
|
+ }
|
||
|
+ usbredirparser_do_write(dev->parser);
|
||
|
+ return USB_RET_ASYNC;
|
||
|
+}
|
||
|
+
|
||
|
+static int usbredir_handle_interrupt_data(USBRedirDevice *dev,
|
||
|
+ USBPacket *p, uint8_t ep)
|
||
|
+{
|
||
|
+ if (ep & USB_DIR_IN) {
|
||
|
+ /* Input interrupt endpoint, buffered packet input */
|
||
|
+ struct buf_packet *intp;
|
||
|
+ int status, len;
|
||
|
+
|
||
|
+ if (!dev->endpoint[EP2I(ep)].interrupt_started &&
|
||
|
+ !dev->endpoint[EP2I(ep)].interrupt_error) {
|
||
|
+ struct usb_redir_start_interrupt_receiving_header start_int = {
|
||
|
+ .endpoint = ep,
|
||
|
+ };
|
||
|
+ /* No id, we look at the ep when receiving a status back */
|
||
|
+ usbredirparser_send_start_interrupt_receiving(dev->parser, 0,
|
||
|
+ &start_int);
|
||
|
+ usbredirparser_do_write(dev->parser);
|
||
|
+ DPRINTF("interrupt recv started ep %02X\n", ep);
|
||
|
+ dev->endpoint[EP2I(ep)].interrupt_started = 1;
|
||
|
+ }
|
||
|
+
|
||
|
+ intp = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq);
|
||
|
+ if (intp == NULL) {
|
||
|
+ DPRINTF2("interrupt-token-in ep %02X, no intp\n", ep);
|
||
|
+ /* Check interrupt_error for stream errors */
|
||
|
+ status = dev->endpoint[EP2I(ep)].interrupt_error;
|
||
|
+ dev->endpoint[EP2I(ep)].interrupt_error = 0;
|
||
|
+ return usbredir_handle_status(dev, status, 0);
|
||
|
+ }
|
||
|
+ DPRINTF("interrupt-token-in ep %02X status %d len %d\n", ep,
|
||
|
+ intp->status, intp->len);
|
||
|
+
|
||
|
+ status = intp->status;
|
||
|
+ if (status != usb_redir_success) {
|
||
|
+ bufp_free(dev, intp, ep);
|
||
|
+ return usbredir_handle_status(dev, status, 0);
|
||
|
+ }
|
||
|
+
|
||
|
+ len = intp->len;
|
||
|
+ if (len > p->len) {
|
||
|
+ ERROR("received int data is larger then packet ep %02X\n", ep);
|
||
|
+ bufp_free(dev, intp, ep);
|
||
|
+ return USB_RET_NAK;
|
||
|
+ }
|
||
|
+ memcpy(p->data, intp->data, len);
|
||
|
+ bufp_free(dev, intp, ep);
|
||
|
+ return len;
|
||
|
+ } else {
|
||
|
+ /* Output interrupt endpoint, normal async operation */
|
||
|
+ AsyncURB *aurb = async_alloc(dev, p);
|
||
|
+ struct usb_redir_interrupt_packet_header interrupt_packet;
|
||
|
+
|
||
|
+ DPRINTF("interrupt-out ep %02X len %d id %u\n", ep, p->len,
|
||
|
+ aurb->packet_id);
|
||
|
+
|
||
|
+ interrupt_packet.endpoint = ep;
|
||
|
+ interrupt_packet.length = p->len;
|
||
|
+ aurb->interrupt_packet = interrupt_packet;
|
||
|
+
|
||
|
+ usbredir_log_data(dev, "interrupt data out:", p->data, p->len);
|
||
|
+ usbredirparser_send_interrupt_packet(dev->parser, aurb->packet_id,
|
||
|
+ &interrupt_packet, p->data, p->len);
|
||
|
+ usbredirparser_do_write(dev->parser);
|
||
|
+ return USB_RET_ASYNC;
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_stop_interrupt_receiving(USBRedirDevice *dev,
|
||
|
+ uint8_t ep)
|
||
|
+{
|
||
|
+ struct usb_redir_stop_interrupt_receiving_header stop_interrupt_recv = {
|
||
|
+ .endpoint = ep
|
||
|
+ };
|
||
|
+ if (dev->endpoint[EP2I(ep)].interrupt_started) {
|
||
|
+ usbredirparser_send_stop_interrupt_receiving(dev->parser, 0,
|
||
|
+ &stop_interrupt_recv);
|
||
|
+ DPRINTF("interrupt recv stopped ep %02X\n", ep);
|
||
|
+ dev->endpoint[EP2I(ep)].interrupt_started = 0;
|
||
|
+ }
|
||
|
+ usbredir_free_bufpq(dev, ep);
|
||
|
+}
|
||
|
+
|
||
|
+static int usbredir_handle_data(USBDevice *udev, USBPacket *p)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
|
||
|
+ uint8_t ep;
|
||
|
+
|
||
|
+ ep = p->devep;
|
||
|
+ if (p->pid == USB_TOKEN_IN) {
|
||
|
+ ep |= USB_DIR_IN;
|
||
|
+ }
|
||
|
+
|
||
|
+ switch (dev->endpoint[EP2I(ep)].type) {
|
||
|
+ case USB_ENDPOINT_XFER_CONTROL:
|
||
|
+ ERROR("handle_data called for control transfer on ep %02X\n", ep);
|
||
|
+ return USB_RET_NAK;
|
||
|
+ case USB_ENDPOINT_XFER_ISOC:
|
||
|
+ return usbredir_handle_iso_data(dev, p, ep);
|
||
|
+ case USB_ENDPOINT_XFER_BULK:
|
||
|
+ return usbredir_handle_bulk_data(dev, p, ep);;
|
||
|
+ case USB_ENDPOINT_XFER_INT:
|
||
|
+ return usbredir_handle_interrupt_data(dev, p, ep);;
|
||
|
+ default:
|
||
|
+ ERROR("handle_data ep %02X has unknown type %d\n", ep,
|
||
|
+ dev->endpoint[EP2I(ep)].type);
|
||
|
+ return USB_RET_NAK;
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+static int usbredir_set_config(USBRedirDevice *dev, USBPacket *p,
|
||
|
+ int config)
|
||
|
+{
|
||
|
+ struct usb_redir_set_configuration_header set_config;
|
||
|
+ AsyncURB *aurb = async_alloc(dev, p);
|
||
|
+ int i;
|
||
|
+
|
||
|
+ DPRINTF("set config %d id %u\n", config, aurb->packet_id);
|
||
|
+
|
||
|
+ for (i = 0; i < MAX_ENDPOINTS; i++) {
|
||
|
+ switch (dev->endpoint[i].type) {
|
||
|
+ case USB_ENDPOINT_XFER_ISOC:
|
||
|
+ usbredir_stop_iso_stream(dev, I2EP(i));
|
||
|
+ break;
|
||
|
+ case USB_ENDPOINT_XFER_INT:
|
||
|
+ if (i & 0x10) {
|
||
|
+ usbredir_stop_interrupt_receiving(dev, I2EP(i));
|
||
|
+ }
|
||
|
+ break;
|
||
|
+ }
|
||
|
+ usbredir_free_bufpq(dev, I2EP(i));
|
||
|
+ }
|
||
|
+
|
||
|
+ set_config.configuration = config;
|
||
|
+ usbredirparser_send_set_configuration(dev->parser, aurb->packet_id,
|
||
|
+ &set_config);
|
||
|
+ usbredirparser_do_write(dev->parser);
|
||
|
+ return USB_RET_ASYNC;
|
||
|
+}
|
||
|
+
|
||
|
+static int usbredir_get_config(USBRedirDevice *dev, USBPacket *p)
|
||
|
+{
|
||
|
+ AsyncURB *aurb = async_alloc(dev, p);
|
||
|
+
|
||
|
+ DPRINTF("get config id %u\n", aurb->packet_id);
|
||
|
+
|
||
|
+ aurb->get = 1;
|
||
|
+ usbredirparser_send_get_configuration(dev->parser, aurb->packet_id);
|
||
|
+ usbredirparser_do_write(dev->parser);
|
||
|
+ return USB_RET_ASYNC;
|
||
|
+}
|
||
|
+
|
||
|
+static int usbredir_set_interface(USBRedirDevice *dev, USBPacket *p,
|
||
|
+ int interface, int alt)
|
||
|
+{
|
||
|
+ struct usb_redir_set_alt_setting_header set_alt;
|
||
|
+ AsyncURB *aurb = async_alloc(dev, p);
|
||
|
+ int i;
|
||
|
+
|
||
|
+ DPRINTF("set interface %d alt %d id %u\n", interface, alt,
|
||
|
+ aurb->packet_id);
|
||
|
+
|
||
|
+ for (i = 0; i < MAX_ENDPOINTS; i++) {
|
||
|
+ if (dev->endpoint[i].interface == interface) {
|
||
|
+ switch (dev->endpoint[i].type) {
|
||
|
+ case USB_ENDPOINT_XFER_ISOC:
|
||
|
+ usbredir_stop_iso_stream(dev, I2EP(i));
|
||
|
+ break;
|
||
|
+ case USB_ENDPOINT_XFER_INT:
|
||
|
+ if (i & 0x10) {
|
||
|
+ usbredir_stop_interrupt_receiving(dev, I2EP(i));
|
||
|
+ }
|
||
|
+ break;
|
||
|
+ }
|
||
|
+ usbredir_free_bufpq(dev, I2EP(i));
|
||
|
+ }
|
||
|
+ }
|
||
|
+
|
||
|
+ set_alt.interface = interface;
|
||
|
+ set_alt.alt = alt;
|
||
|
+ usbredirparser_send_set_alt_setting(dev->parser, aurb->packet_id,
|
||
|
+ &set_alt);
|
||
|
+ usbredirparser_do_write(dev->parser);
|
||
|
+ return USB_RET_ASYNC;
|
||
|
+}
|
||
|
+
|
||
|
+static int usbredir_get_interface(USBRedirDevice *dev, USBPacket *p,
|
||
|
+ int interface)
|
||
|
+{
|
||
|
+ struct usb_redir_get_alt_setting_header get_alt;
|
||
|
+ AsyncURB *aurb = async_alloc(dev, p);
|
||
|
+
|
||
|
+ DPRINTF("get interface %d id %u\n", interface, aurb->packet_id);
|
||
|
+
|
||
|
+ get_alt.interface = interface;
|
||
|
+ aurb->get = 1;
|
||
|
+ usbredirparser_send_get_alt_setting(dev->parser, aurb->packet_id,
|
||
|
+ &get_alt);
|
||
|
+ usbredirparser_do_write(dev->parser);
|
||
|
+ return USB_RET_ASYNC;
|
||
|
+}
|
||
|
+
|
||
|
+static int usbredir_handle_control(USBDevice *udev, USBPacket *p,
|
||
|
+ int request, int value, int index, int length, uint8_t *data)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
|
||
|
+ struct usb_redir_control_packet_header control_packet;
|
||
|
+ AsyncURB *aurb;
|
||
|
+
|
||
|
+ /* Special cases for certain standard device requests */
|
||
|
+ switch (request) {
|
||
|
+ case DeviceOutRequest | USB_REQ_SET_ADDRESS:
|
||
|
+ DPRINTF("set address %d\n", value);
|
||
|
+ dev->dev.addr = value;
|
||
|
+ return 0;
|
||
|
+ case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
|
||
|
+ return usbredir_set_config(dev, p, value & 0xff);
|
||
|
+ case DeviceRequest | USB_REQ_GET_CONFIGURATION:
|
||
|
+ return usbredir_get_config(dev, p);
|
||
|
+ case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
|
||
|
+ return usbredir_set_interface(dev, p, index, value);
|
||
|
+ case InterfaceRequest | USB_REQ_GET_INTERFACE:
|
||
|
+ return usbredir_get_interface(dev, p, index);
|
||
|
+ }
|
||
|
+
|
||
|
+ /* "Normal" ctrl requests */
|
||
|
+ aurb = async_alloc(dev, p);
|
||
|
+
|
||
|
+ /* Note request is (bRequestType << 8) | bRequest */
|
||
|
+ DPRINTF("ctrl-out type 0x%x req 0x%x val 0x%x index %d len %d id %u\n",
|
||
|
+ request >> 8, request & 0xff, value, index, length,
|
||
|
+ aurb->packet_id);
|
||
|
+
|
||
|
+ control_packet.request = request & 0xFF;
|
||
|
+ control_packet.requesttype = request >> 8;
|
||
|
+ control_packet.endpoint = control_packet.requesttype & USB_DIR_IN;
|
||
|
+ control_packet.value = value;
|
||
|
+ control_packet.index = index;
|
||
|
+ control_packet.length = length;
|
||
|
+ aurb->control_packet = control_packet;
|
||
|
+
|
||
|
+ if (control_packet.requesttype & USB_DIR_IN) {
|
||
|
+ usbredirparser_send_control_packet(dev->parser, aurb->packet_id,
|
||
|
+ &control_packet, NULL, 0);
|
||
|
+ } else {
|
||
|
+ usbredir_log_data(dev, "ctrl data out:", data, length);
|
||
|
+ usbredirparser_send_control_packet(dev->parser, aurb->packet_id,
|
||
|
+ &control_packet, data, length);
|
||
|
+ }
|
||
|
+ usbredirparser_do_write(dev->parser);
|
||
|
+ return USB_RET_ASYNC;
|
||
|
+}
|
||
|
+
|
||
|
+/*
|
||
|
+ * Close events can be triggered by usbredirparser_do_write which gets called
|
||
|
+ * from within the USBDevice data / control packet callbacks and doing a
|
||
|
+ * usb_detach from within these callbacks is not a good idea.
|
||
|
+ *
|
||
|
+ * So we use a bh handler to take care of close events. We also handle
|
||
|
+ * open events from this callback to make sure that a close directly followed
|
||
|
+ * by an open gets handled in the right order.
|
||
|
+ */
|
||
|
+static void usbredir_open_close_bh(void *opaque)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = opaque;
|
||
|
+
|
||
|
+ usbredir_device_disconnect(dev);
|
||
|
+
|
||
|
+ if (dev->parser) {
|
||
|
+ usbredirparser_destroy(dev->parser);
|
||
|
+ dev->parser = NULL;
|
||
|
+ }
|
||
|
+
|
||
|
+ if (dev->cs->opened) {
|
||
|
+ dev->parser = qemu_oom_check(usbredirparser_create());
|
||
|
+ dev->parser->priv = dev;
|
||
|
+ dev->parser->log_func = usbredir_log;
|
||
|
+ dev->parser->read_func = usbredir_read;
|
||
|
+ dev->parser->write_func = usbredir_write;
|
||
|
+ dev->parser->device_connect_func = usbredir_device_connect;
|
||
|
+ dev->parser->device_disconnect_func = usbredir_device_disconnect;
|
||
|
+ dev->parser->interface_info_func = usbredir_interface_info;
|
||
|
+ dev->parser->ep_info_func = usbredir_ep_info;
|
||
|
+ dev->parser->configuration_status_func = usbredir_configuration_status;
|
||
|
+ dev->parser->alt_setting_status_func = usbredir_alt_setting_status;
|
||
|
+ dev->parser->iso_stream_status_func = usbredir_iso_stream_status;
|
||
|
+ dev->parser->interrupt_receiving_status_func =
|
||
|
+ usbredir_interrupt_receiving_status;
|
||
|
+ dev->parser->bulk_streams_status_func = usbredir_bulk_streams_status;
|
||
|
+ dev->parser->control_packet_func = usbredir_control_packet;
|
||
|
+ dev->parser->bulk_packet_func = usbredir_bulk_packet;
|
||
|
+ dev->parser->iso_packet_func = usbredir_iso_packet;
|
||
|
+ dev->parser->interrupt_packet_func = usbredir_interrupt_packet;
|
||
|
+ dev->read_buf = NULL;
|
||
|
+ dev->read_buf_size = 0;
|
||
|
+ usbredirparser_init(dev->parser, VERSION, NULL, 0, 0);
|
||
|
+ usbredirparser_do_write(dev->parser);
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_do_attach(void *opaque)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = opaque;
|
||
|
+
|
||
|
+ usb_device_attach(&dev->dev);
|
||
|
+}
|
||
|
+
|
||
|
+/*
|
||
|
+ * chardev callbacks
|
||
|
+ */
|
||
|
+
|
||
|
+static int usbredir_chardev_can_read(void *opaque)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = opaque;
|
||
|
+
|
||
|
+ if (dev->parser) {
|
||
|
+ /* usbredir_parser_do_read will consume *all* data we give it */
|
||
|
+ return 1024 * 1024;
|
||
|
+ } else {
|
||
|
+ /* usbredir_open_close_bh hasn't handled the open event yet */
|
||
|
+ return 0;
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_chardev_read(void *opaque, const uint8_t *buf, int size)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = opaque;
|
||
|
+
|
||
|
+ /* No recursion allowed! */
|
||
|
+ assert(dev->read_buf == NULL);
|
||
|
+
|
||
|
+ dev->read_buf = buf;
|
||
|
+ dev->read_buf_size = size;
|
||
|
+
|
||
|
+ usbredirparser_do_read(dev->parser);
|
||
|
+ /* Send any acks, etc. which may be queued now */
|
||
|
+ usbredirparser_do_write(dev->parser);
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_chardev_event(void *opaque, int event)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = opaque;
|
||
|
+
|
||
|
+ switch (event) {
|
||
|
+ case CHR_EVENT_OPENED:
|
||
|
+ case CHR_EVENT_CLOSED:
|
||
|
+ qemu_bh_schedule(dev->open_close_bh);
|
||
|
+ break;
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+/*
|
||
|
+ * init + destroy
|
||
|
+ */
|
||
|
+
|
||
|
+static int usbredir_initfn(USBDevice *udev)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
|
||
|
+ int i;
|
||
|
+
|
||
|
+ if (dev->cs == NULL) {
|
||
|
+ qerror_report(QERR_MISSING_PARAMETER, "chardev");
|
||
|
+ return -1;
|
||
|
+ }
|
||
|
+
|
||
|
+ dev->open_close_bh = qemu_bh_new(usbredir_open_close_bh, dev);
|
||
|
+ dev->attach_timer = qemu_new_timer_ms(vm_clock, usbredir_do_attach, dev);
|
||
|
+
|
||
|
+ QTAILQ_INIT(&dev->asyncq);
|
||
|
+ for (i = 0; i < MAX_ENDPOINTS; i++) {
|
||
|
+ QTAILQ_INIT(&dev->endpoint[i].bufpq);
|
||
|
+ }
|
||
|
+
|
||
|
+ /* We'll do the attach once we receive the speed from the usb-host */
|
||
|
+ udev->auto_attach = 0;
|
||
|
+
|
||
|
+ qemu_chr_add_handlers(dev->cs, usbredir_chardev_can_read,
|
||
|
+ usbredir_chardev_read, usbredir_chardev_event, dev);
|
||
|
+
|
||
|
+ return 0;
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_cleanup_device_queues(USBRedirDevice *dev)
|
||
|
+{
|
||
|
+ AsyncURB *aurb, *next_aurb;
|
||
|
+ int i;
|
||
|
+
|
||
|
+ QTAILQ_FOREACH_SAFE(aurb, &dev->asyncq, next, next_aurb) {
|
||
|
+ async_free(dev, aurb);
|
||
|
+ }
|
||
|
+ for (i = 0; i < MAX_ENDPOINTS; i++) {
|
||
|
+ usbredir_free_bufpq(dev, I2EP(i));
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_handle_destroy(USBDevice *udev)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
|
||
|
+
|
||
|
+ qemu_chr_close(dev->cs);
|
||
|
+ /* Note must be done after qemu_chr_close, as that causes a close event */
|
||
|
+ qemu_bh_delete(dev->open_close_bh);
|
||
|
+
|
||
|
+ qemu_del_timer(dev->attach_timer);
|
||
|
+ qemu_free_timer(dev->attach_timer);
|
||
|
+
|
||
|
+ usbredir_cleanup_device_queues(dev);
|
||
|
+
|
||
|
+ if (dev->parser) {
|
||
|
+ usbredirparser_destroy(dev->parser);
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+/*
|
||
|
+ * usbredirparser packet complete callbacks
|
||
|
+ */
|
||
|
+
|
||
|
+static int usbredir_handle_status(USBRedirDevice *dev,
|
||
|
+ int status, int actual_len)
|
||
|
+{
|
||
|
+ switch (status) {
|
||
|
+ case usb_redir_success:
|
||
|
+ return actual_len;
|
||
|
+ case usb_redir_stall:
|
||
|
+ return USB_RET_STALL;
|
||
|
+ case usb_redir_cancelled:
|
||
|
+ WARNING("returning cancelled packet to HC?\n");
|
||
|
+ case usb_redir_inval:
|
||
|
+ case usb_redir_ioerror:
|
||
|
+ case usb_redir_timeout:
|
||
|
+ default:
|
||
|
+ return USB_RET_NAK;
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_device_connect(void *priv,
|
||
|
+ struct usb_redir_device_connect_header *device_connect)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = priv;
|
||
|
+
|
||
|
+ switch (device_connect->speed) {
|
||
|
+ case usb_redir_speed_low:
|
||
|
+ DPRINTF("attaching low speed device\n");
|
||
|
+ dev->dev.speed = USB_SPEED_LOW;
|
||
|
+ break;
|
||
|
+ case usb_redir_speed_full:
|
||
|
+ DPRINTF("attaching full speed device\n");
|
||
|
+ dev->dev.speed = USB_SPEED_FULL;
|
||
|
+ break;
|
||
|
+ case usb_redir_speed_high:
|
||
|
+ DPRINTF("attaching high speed device\n");
|
||
|
+ dev->dev.speed = USB_SPEED_HIGH;
|
||
|
+ break;
|
||
|
+ case usb_redir_speed_super:
|
||
|
+ DPRINTF("attaching super speed device\n");
|
||
|
+ dev->dev.speed = USB_SPEED_SUPER;
|
||
|
+ break;
|
||
|
+ default:
|
||
|
+ DPRINTF("attaching unknown speed device, assuming full speed\n");
|
||
|
+ dev->dev.speed = USB_SPEED_FULL;
|
||
|
+ }
|
||
|
+ dev->dev.speedmask = (1 << dev->dev.speed);
|
||
|
+ qemu_mod_timer(dev->attach_timer, dev->next_attach_time);
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_device_disconnect(void *priv)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = priv;
|
||
|
+
|
||
|
+ /* Stop any pending attaches */
|
||
|
+ qemu_del_timer(dev->attach_timer);
|
||
|
+
|
||
|
+ if (dev->dev.attached) {
|
||
|
+ usb_device_detach(&dev->dev);
|
||
|
+ usbredir_cleanup_device_queues(dev);
|
||
|
+ /*
|
||
|
+ * Delay next usb device attach to give the guest a chance to see
|
||
|
+ * see the detach / attach in case of quick close / open succession
|
||
|
+ */
|
||
|
+ dev->next_attach_time = qemu_get_clock_ms(vm_clock) + 200;
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_interface_info(void *priv,
|
||
|
+ struct usb_redir_interface_info_header *interface_info)
|
||
|
+{
|
||
|
+ /* The intention is to allow specifying acceptable interface classes
|
||
|
+ for redirection on the cmdline and in the future verify this here,
|
||
|
+ and disconnect (or never connect) the device if a not accepted
|
||
|
+ interface class is detected */
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_ep_info(void *priv,
|
||
|
+ struct usb_redir_ep_info_header *ep_info)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = priv;
|
||
|
+ int i;
|
||
|
+
|
||
|
+ for (i = 0; i < MAX_ENDPOINTS; i++) {
|
||
|
+ dev->endpoint[i].type = ep_info->type[i];
|
||
|
+ dev->endpoint[i].interval = ep_info->interval[i];
|
||
|
+ dev->endpoint[i].interface = ep_info->interface[i];
|
||
|
+ if (dev->endpoint[i].type != usb_redir_type_invalid) {
|
||
|
+ DPRINTF("ep: %02X type: %d interface: %d\n", I2EP(i),
|
||
|
+ dev->endpoint[i].type, dev->endpoint[i].interface);
|
||
|
+ }
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_configuration_status(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_configuration_status_header *config_status)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = priv;
|
||
|
+ AsyncURB *aurb;
|
||
|
+ int len = 0;
|
||
|
+
|
||
|
+ DPRINTF("set config status %d config %d id %u\n", config_status->status,
|
||
|
+ config_status->configuration, id);
|
||
|
+
|
||
|
+ aurb = async_find(dev, id);
|
||
|
+ if (!aurb) {
|
||
|
+ return;
|
||
|
+ }
|
||
|
+ if (aurb->packet) {
|
||
|
+ if (aurb->get) {
|
||
|
+ dev->dev.data_buf[0] = config_status->configuration;
|
||
|
+ len = 1;
|
||
|
+ }
|
||
|
+ aurb->packet->len =
|
||
|
+ usbredir_handle_status(dev, config_status->status, len);
|
||
|
+ usb_generic_async_ctrl_complete(&dev->dev, aurb->packet);
|
||
|
+ }
|
||
|
+ async_free(dev, aurb);
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_alt_setting_status(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_alt_setting_status_header *alt_setting_status)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = priv;
|
||
|
+ AsyncURB *aurb;
|
||
|
+ int len = 0;
|
||
|
+
|
||
|
+ DPRINTF("alt status %d intf %d alt %d id: %u\n",
|
||
|
+ alt_setting_status->status,
|
||
|
+ alt_setting_status->interface,
|
||
|
+ alt_setting_status->alt, id);
|
||
|
+
|
||
|
+ aurb = async_find(dev, id);
|
||
|
+ if (!aurb) {
|
||
|
+ return;
|
||
|
+ }
|
||
|
+ if (aurb->packet) {
|
||
|
+ if (aurb->get) {
|
||
|
+ dev->dev.data_buf[0] = alt_setting_status->alt;
|
||
|
+ len = 1;
|
||
|
+ }
|
||
|
+ aurb->packet->len =
|
||
|
+ usbredir_handle_status(dev, alt_setting_status->status, len);
|
||
|
+ usb_generic_async_ctrl_complete(&dev->dev, aurb->packet);
|
||
|
+ }
|
||
|
+ async_free(dev, aurb);
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_iso_stream_status(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_iso_stream_status_header *iso_stream_status)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = priv;
|
||
|
+ uint8_t ep = iso_stream_status->endpoint;
|
||
|
+
|
||
|
+ DPRINTF("iso status %d ep %02X id %u\n", iso_stream_status->status,
|
||
|
+ ep, id);
|
||
|
+
|
||
|
+ dev->endpoint[EP2I(ep)].iso_error = iso_stream_status->status;
|
||
|
+ if (iso_stream_status->status == usb_redir_stall) {
|
||
|
+ DPRINTF("iso stream stopped by peer ep %02X\n", ep);
|
||
|
+ dev->endpoint[EP2I(ep)].iso_started = 0;
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_interrupt_receiving_status(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_interrupt_receiving_status_header
|
||
|
+ *interrupt_receiving_status)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = priv;
|
||
|
+ uint8_t ep = interrupt_receiving_status->endpoint;
|
||
|
+
|
||
|
+ DPRINTF("interrupt recv status %d ep %02X id %u\n",
|
||
|
+ interrupt_receiving_status->status, ep, id);
|
||
|
+
|
||
|
+ dev->endpoint[EP2I(ep)].interrupt_error =
|
||
|
+ interrupt_receiving_status->status;
|
||
|
+ if (interrupt_receiving_status->status == usb_redir_stall) {
|
||
|
+ DPRINTF("interrupt receiving stopped by peer ep %02X\n", ep);
|
||
|
+ dev->endpoint[EP2I(ep)].interrupt_started = 0;
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_bulk_streams_status(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_bulk_streams_status_header *bulk_streams_status)
|
||
|
+{
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_control_packet(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_control_packet_header *control_packet,
|
||
|
+ uint8_t *data, int data_len)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = priv;
|
||
|
+ int len = control_packet->length;
|
||
|
+ AsyncURB *aurb;
|
||
|
+
|
||
|
+ DPRINTF("ctrl-in status %d len %d id %u\n", control_packet->status,
|
||
|
+ len, id);
|
||
|
+
|
||
|
+ aurb = async_find(dev, id);
|
||
|
+ if (!aurb) {
|
||
|
+ free(data);
|
||
|
+ return;
|
||
|
+ }
|
||
|
+
|
||
|
+ aurb->control_packet.status = control_packet->status;
|
||
|
+ aurb->control_packet.length = control_packet->length;
|
||
|
+ if (memcmp(&aurb->control_packet, control_packet,
|
||
|
+ sizeof(*control_packet))) {
|
||
|
+ ERROR("return control packet mismatch, please report this!\n");
|
||
|
+ len = USB_RET_NAK;
|
||
|
+ }
|
||
|
+
|
||
|
+ if (aurb->packet) {
|
||
|
+ len = usbredir_handle_status(dev, control_packet->status, len);
|
||
|
+ if (len > 0) {
|
||
|
+ usbredir_log_data(dev, "ctrl data in:", data, data_len);
|
||
|
+ if (data_len <= sizeof(dev->dev.data_buf)) {
|
||
|
+ memcpy(dev->dev.data_buf, data, data_len);
|
||
|
+ } else {
|
||
|
+ ERROR("ctrl buffer too small (%d > %zu)\n",
|
||
|
+ data_len, sizeof(dev->dev.data_buf));
|
||
|
+ len = USB_RET_STALL;
|
||
|
+ }
|
||
|
+ }
|
||
|
+ aurb->packet->len = len;
|
||
|
+ usb_generic_async_ctrl_complete(&dev->dev, aurb->packet);
|
||
|
+ }
|
||
|
+ async_free(dev, aurb);
|
||
|
+ free(data);
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_bulk_packet(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_bulk_packet_header *bulk_packet,
|
||
|
+ uint8_t *data, int data_len)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = priv;
|
||
|
+ uint8_t ep = bulk_packet->endpoint;
|
||
|
+ int len = bulk_packet->length;
|
||
|
+ AsyncURB *aurb;
|
||
|
+
|
||
|
+ DPRINTF("bulk-in status %d ep %02X len %d id %u\n", bulk_packet->status,
|
||
|
+ ep, len, id);
|
||
|
+
|
||
|
+ aurb = async_find(dev, id);
|
||
|
+ if (!aurb) {
|
||
|
+ free(data);
|
||
|
+ return;
|
||
|
+ }
|
||
|
+
|
||
|
+ if (aurb->bulk_packet.endpoint != bulk_packet->endpoint ||
|
||
|
+ aurb->bulk_packet.stream_id != bulk_packet->stream_id) {
|
||
|
+ ERROR("return bulk packet mismatch, please report this!\n");
|
||
|
+ len = USB_RET_NAK;
|
||
|
+ }
|
||
|
+
|
||
|
+ if (aurb->packet) {
|
||
|
+ len = usbredir_handle_status(dev, bulk_packet->status, len);
|
||
|
+ if (len > 0) {
|
||
|
+ usbredir_log_data(dev, "bulk data in:", data, data_len);
|
||
|
+ if (data_len <= aurb->packet->len) {
|
||
|
+ memcpy(aurb->packet->data, data, data_len);
|
||
|
+ } else {
|
||
|
+ ERROR("bulk buffer too small (%d > %d)\n", data_len,
|
||
|
+ aurb->packet->len);
|
||
|
+ len = USB_RET_STALL;
|
||
|
+ }
|
||
|
+ }
|
||
|
+ aurb->packet->len = len;
|
||
|
+ usb_packet_complete(&dev->dev, aurb->packet);
|
||
|
+ }
|
||
|
+ async_free(dev, aurb);
|
||
|
+ free(data);
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_iso_packet(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_iso_packet_header *iso_packet,
|
||
|
+ uint8_t *data, int data_len)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = priv;
|
||
|
+ uint8_t ep = iso_packet->endpoint;
|
||
|
+
|
||
|
+ DPRINTF2("iso-in status %d ep %02X len %d id %u\n", iso_packet->status, ep,
|
||
|
+ data_len, id);
|
||
|
+
|
||
|
+ if (dev->endpoint[EP2I(ep)].type != USB_ENDPOINT_XFER_ISOC) {
|
||
|
+ ERROR("received iso packet for non iso endpoint %02X\n", ep);
|
||
|
+ free(data);
|
||
|
+ return;
|
||
|
+ }
|
||
|
+
|
||
|
+ if (dev->endpoint[EP2I(ep)].iso_started == 0) {
|
||
|
+ DPRINTF("received iso packet for non started stream ep %02X\n", ep);
|
||
|
+ free(data);
|
||
|
+ return;
|
||
|
+ }
|
||
|
+
|
||
|
+ /* bufp_alloc also adds the packet to the ep queue */
|
||
|
+ bufp_alloc(dev, data, data_len, iso_packet->status, ep);
|
||
|
+}
|
||
|
+
|
||
|
+static void usbredir_interrupt_packet(void *priv, uint32_t id,
|
||
|
+ struct usb_redir_interrupt_packet_header *interrupt_packet,
|
||
|
+ uint8_t *data, int data_len)
|
||
|
+{
|
||
|
+ USBRedirDevice *dev = priv;
|
||
|
+ uint8_t ep = interrupt_packet->endpoint;
|
||
|
+
|
||
|
+ DPRINTF("interrupt-in status %d ep %02X len %d id %u\n",
|
||
|
+ interrupt_packet->status, ep, data_len, id);
|
||
|
+
|
||
|
+ if (dev->endpoint[EP2I(ep)].type != USB_ENDPOINT_XFER_INT) {
|
||
|
+ ERROR("received int packet for non interrupt endpoint %02X\n", ep);
|
||
|
+ free(data);
|
||
|
+ return;
|
||
|
+ }
|
||
|
+
|
||
|
+ if (ep & USB_DIR_IN) {
|
||
|
+ if (dev->endpoint[EP2I(ep)].interrupt_started == 0) {
|
||
|
+ DPRINTF("received int packet while not started ep %02X\n", ep);
|
||
|
+ free(data);
|
||
|
+ return;
|
||
|
+ }
|
||
|
+
|
||
|
+ /* bufp_alloc also adds the packet to the ep queue */
|
||
|
+ bufp_alloc(dev, data, data_len, interrupt_packet->status, ep);
|
||
|
+ } else {
|
||
|
+ int len = interrupt_packet->length;
|
||
|
+
|
||
|
+ AsyncURB *aurb = async_find(dev, id);
|
||
|
+ if (!aurb) {
|
||
|
+ return;
|
||
|
+ }
|
||
|
+
|
||
|
+ if (aurb->interrupt_packet.endpoint != interrupt_packet->endpoint) {
|
||
|
+ ERROR("return int packet mismatch, please report this!\n");
|
||
|
+ len = USB_RET_NAK;
|
||
|
+ }
|
||
|
+
|
||
|
+ if (aurb->packet) {
|
||
|
+ aurb->packet->len = usbredir_handle_status(dev,
|
||
|
+ interrupt_packet->status, len);
|
||
|
+ usb_packet_complete(&dev->dev, aurb->packet);
|
||
|
+ }
|
||
|
+ async_free(dev, aurb);
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+static struct USBDeviceInfo usbredir_dev_info = {
|
||
|
+ .product_desc = "USB Redirection Device",
|
||
|
+ .qdev.name = "usb-redir",
|
||
|
+ .qdev.size = sizeof(USBRedirDevice),
|
||
|
+ .init = usbredir_initfn,
|
||
|
+ .handle_destroy = usbredir_handle_destroy,
|
||
|
+ .handle_packet = usb_generic_handle_packet,
|
||
|
+ .cancel_packet = usbredir_cancel_packet,
|
||
|
+ .handle_reset = usbredir_handle_reset,
|
||
|
+ .handle_data = usbredir_handle_data,
|
||
|
+ .handle_control = usbredir_handle_control,
|
||
|
+ .qdev.props = (Property[]) {
|
||
|
+ DEFINE_PROP_CHR("chardev", USBRedirDevice, cs),
|
||
|
+ DEFINE_PROP_UINT8("debug", USBRedirDevice, debug, 0),
|
||
|
+ DEFINE_PROP_END_OF_LIST(),
|
||
|
+ },
|
||
|
+};
|
||
|
+
|
||
|
+static void usbredir_register_devices(void)
|
||
|
+{
|
||
|
+ usb_qdev_register(&usbredir_dev_info);
|
||
|
+}
|
||
|
+device_init(usbredir_register_devices);
|
||
|
--
|
||
|
1.7.5.1
|
||
|
|