mirror of
https://github.com/xemu-project/xemu.git
synced 2024-12-05 18:27:42 +00:00
5c16f76781
Instead simple disconnect the device like host redirection does on migration. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
1893 lines
60 KiB
C
1893 lines
60 KiB
C
/*
|
|
* USB redirector usb-guest
|
|
*
|
|
* Copyright (c) 2011-2012 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 <usbredirfilter.h>
|
|
|
|
#include "hw/usb.h"
|
|
|
|
#define MAX_ENDPOINTS 32
|
|
#define NO_INTERFACE_INFO 255 /* Valid interface_count always <= 32 */
|
|
#define EP2I(ep_address) (((ep_address & 0x80) >> 3) | (ep_address & 0x0f))
|
|
#define I2EP(i) (((i & 0x10) << 3) | (i & 0x0f))
|
|
|
|
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 */
|
|
uint16_t max_packet_size; /* In bytes, not wMaxPacketSize format !! */
|
|
uint8_t iso_started;
|
|
uint8_t iso_error; /* For reporting iso errors to the HC */
|
|
uint8_t interrupt_started;
|
|
uint8_t interrupt_error;
|
|
uint8_t bufpq_prefilled;
|
|
uint8_t bufpq_dropping_packets;
|
|
QTAILQ_HEAD(, buf_packet) bufpq;
|
|
int32_t bufpq_size;
|
|
int32_t bufpq_target_size;
|
|
};
|
|
|
|
struct PacketIdQueueEntry {
|
|
uint64_t id;
|
|
QTAILQ_ENTRY(PacketIdQueueEntry)next;
|
|
};
|
|
|
|
struct PacketIdQueue {
|
|
USBRedirDevice *dev;
|
|
const char *name;
|
|
QTAILQ_HEAD(, PacketIdQueueEntry) head;
|
|
int size;
|
|
};
|
|
|
|
struct USBRedirDevice {
|
|
USBDevice dev;
|
|
/* Properties */
|
|
CharDriverState *cs;
|
|
uint8_t debug;
|
|
char *filter_str;
|
|
int32_t bootindex;
|
|
/* 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 close */
|
|
QEMUBH *chardev_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];
|
|
struct PacketIdQueue cancelled;
|
|
struct PacketIdQueue already_in_flight;
|
|
/* Data for device filtering */
|
|
struct usb_redir_device_connect_header device_info;
|
|
struct usb_redir_interface_info_header interface_info;
|
|
struct usbredirfilter_rule *filter_rules;
|
|
int filter_rules_count;
|
|
};
|
|
|
|
static void usbredir_hello(void *priv, struct usb_redir_hello_header *h);
|
|
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, uint64_t id,
|
|
struct usb_redir_configuration_status_header *configuration_status);
|
|
static void usbredir_alt_setting_status(void *priv, uint64_t id,
|
|
struct usb_redir_alt_setting_status_header *alt_setting_status);
|
|
static void usbredir_iso_stream_status(void *priv, uint64_t id,
|
|
struct usb_redir_iso_stream_status_header *iso_stream_status);
|
|
static void usbredir_interrupt_receiving_status(void *priv, uint64_t id,
|
|
struct usb_redir_interrupt_receiving_status_header
|
|
*interrupt_receiving_status);
|
|
static void usbredir_bulk_streams_status(void *priv, uint64_t id,
|
|
struct usb_redir_bulk_streams_status_header *bulk_streams_status);
|
|
static void usbredir_control_packet(void *priv, uint64_t id,
|
|
struct usb_redir_control_packet_header *control_packet,
|
|
uint8_t *data, int data_len);
|
|
static void usbredir_bulk_packet(void *priv, uint64_t id,
|
|
struct usb_redir_bulk_packet_header *bulk_packet,
|
|
uint8_t *data, int data_len);
|
|
static void usbredir_iso_packet(void *priv, uint64_t id,
|
|
struct usb_redir_iso_packet_header *iso_packet,
|
|
uint8_t *data, int data_len);
|
|
static void usbredir_interrupt_packet(void *priv, uint64_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", 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", 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;
|
|
|
|
if (!dev->cs->opened) {
|
|
return 0;
|
|
}
|
|
|
|
/* Don't send new data to the chardev until our state is fully synced */
|
|
if (!runstate_check(RUN_STATE_RUNNING)) {
|
|
return 0;
|
|
}
|
|
|
|
return qemu_chr_fe_write(dev->cs, data, count);
|
|
}
|
|
|
|
/*
|
|
* Cancelled and buffered packets helpers
|
|
*/
|
|
|
|
static void packet_id_queue_init(struct PacketIdQueue *q,
|
|
USBRedirDevice *dev, const char *name)
|
|
{
|
|
q->dev = dev;
|
|
q->name = name;
|
|
QTAILQ_INIT(&q->head);
|
|
q->size = 0;
|
|
}
|
|
|
|
static void packet_id_queue_add(struct PacketIdQueue *q, uint64_t id)
|
|
{
|
|
USBRedirDevice *dev = q->dev;
|
|
struct PacketIdQueueEntry *e;
|
|
|
|
DPRINTF("adding packet id %"PRIu64" to %s queue\n", id, q->name);
|
|
|
|
e = g_malloc0(sizeof(struct PacketIdQueueEntry));
|
|
e->id = id;
|
|
QTAILQ_INSERT_TAIL(&q->head, e, next);
|
|
q->size++;
|
|
}
|
|
|
|
static int packet_id_queue_remove(struct PacketIdQueue *q, uint64_t id)
|
|
{
|
|
USBRedirDevice *dev = q->dev;
|
|
struct PacketIdQueueEntry *e;
|
|
|
|
QTAILQ_FOREACH(e, &q->head, next) {
|
|
if (e->id == id) {
|
|
DPRINTF("removing packet id %"PRIu64" from %s queue\n",
|
|
id, q->name);
|
|
QTAILQ_REMOVE(&q->head, e, next);
|
|
q->size--;
|
|
g_free(e);
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void packet_id_queue_empty(struct PacketIdQueue *q)
|
|
{
|
|
USBRedirDevice *dev = q->dev;
|
|
struct PacketIdQueueEntry *e, *next_e;
|
|
|
|
DPRINTF("removing %d packet-ids from %s queue\n", q->size, q->name);
|
|
|
|
QTAILQ_FOREACH_SAFE(e, &q->head, next, next_e) {
|
|
QTAILQ_REMOVE(&q->head, e, next);
|
|
g_free(e);
|
|
}
|
|
q->size = 0;
|
|
}
|
|
|
|
static void usbredir_cancel_packet(USBDevice *udev, USBPacket *p)
|
|
{
|
|
USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
|
|
|
|
packet_id_queue_add(&dev->cancelled, p->id);
|
|
usbredirparser_send_cancel_data_packet(dev->parser, p->id);
|
|
usbredirparser_do_write(dev->parser);
|
|
}
|
|
|
|
static int usbredir_is_cancelled(USBRedirDevice *dev, uint64_t id)
|
|
{
|
|
if (!dev->dev.attached) {
|
|
return 1; /* Treat everything as cancelled after a disconnect */
|
|
}
|
|
return packet_id_queue_remove(&dev->cancelled, id);
|
|
}
|
|
|
|
static void usbredir_fill_already_in_flight_from_ep(USBRedirDevice *dev,
|
|
struct USBEndpoint *ep)
|
|
{
|
|
static USBPacket *p;
|
|
|
|
QTAILQ_FOREACH(p, &ep->queue, queue) {
|
|
packet_id_queue_add(&dev->already_in_flight, p->id);
|
|
}
|
|
}
|
|
|
|
static void usbredir_fill_already_in_flight(USBRedirDevice *dev)
|
|
{
|
|
int ep;
|
|
struct USBDevice *udev = &dev->dev;
|
|
|
|
usbredir_fill_already_in_flight_from_ep(dev, &udev->ep_ctl);
|
|
|
|
for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) {
|
|
usbredir_fill_already_in_flight_from_ep(dev, &udev->ep_in[ep]);
|
|
usbredir_fill_already_in_flight_from_ep(dev, &udev->ep_out[ep]);
|
|
}
|
|
}
|
|
|
|
static int usbredir_already_in_flight(USBRedirDevice *dev, uint64_t id)
|
|
{
|
|
return packet_id_queue_remove(&dev->already_in_flight, id);
|
|
}
|
|
|
|
static USBPacket *usbredir_find_packet_by_id(USBRedirDevice *dev,
|
|
uint8_t ep, uint64_t id)
|
|
{
|
|
USBPacket *p;
|
|
|
|
if (usbredir_is_cancelled(dev, id)) {
|
|
return NULL;
|
|
}
|
|
|
|
p = usb_ep_find_packet_by_id(&dev->dev,
|
|
(ep & USB_DIR_IN) ? USB_TOKEN_IN : USB_TOKEN_OUT,
|
|
ep & 0x0f, id);
|
|
if (p == NULL) {
|
|
ERROR("could not find packet with id %"PRIu64"\n", id);
|
|
}
|
|
return p;
|
|
}
|
|
|
|
static void bufp_alloc(USBRedirDevice *dev,
|
|
uint8_t *data, int len, int status, uint8_t ep)
|
|
{
|
|
struct buf_packet *bufp;
|
|
|
|
if (!dev->endpoint[EP2I(ep)].bufpq_dropping_packets &&
|
|
dev->endpoint[EP2I(ep)].bufpq_size >
|
|
2 * dev->endpoint[EP2I(ep)].bufpq_target_size) {
|
|
DPRINTF("bufpq overflow, dropping packets ep %02X\n", ep);
|
|
dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 1;
|
|
}
|
|
/* Since we're interupting the stream anyways, drop enough packets to get
|
|
back to our target buffer size */
|
|
if (dev->endpoint[EP2I(ep)].bufpq_dropping_packets) {
|
|
if (dev->endpoint[EP2I(ep)].bufpq_size >
|
|
dev->endpoint[EP2I(ep)].bufpq_target_size) {
|
|
free(data);
|
|
return;
|
|
}
|
|
dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0;
|
|
}
|
|
|
|
bufp = g_malloc(sizeof(struct buf_packet));
|
|
bufp->data = data;
|
|
bufp->len = len;
|
|
bufp->status = status;
|
|
QTAILQ_INSERT_TAIL(&dev->endpoint[EP2I(ep)].bufpq, bufp, next);
|
|
dev->endpoint[EP2I(ep)].bufpq_size++;
|
|
}
|
|
|
|
static void bufp_free(USBRedirDevice *dev, struct buf_packet *bufp,
|
|
uint8_t ep)
|
|
{
|
|
QTAILQ_REMOVE(&dev->endpoint[EP2I(ep)].bufpq, bufp, next);
|
|
dev->endpoint[EP2I(ep)].bufpq_size--;
|
|
free(bufp->data);
|
|
g_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,
|
|
};
|
|
int pkts_per_sec;
|
|
|
|
if (dev->dev.speed == USB_SPEED_HIGH) {
|
|
pkts_per_sec = 8000 / dev->endpoint[EP2I(ep)].interval;
|
|
} else {
|
|
pkts_per_sec = 1000 / dev->endpoint[EP2I(ep)].interval;
|
|
}
|
|
/* Testing has shown that we need circa 60 ms buffer */
|
|
dev->endpoint[EP2I(ep)].bufpq_target_size = (pkts_per_sec * 60) / 1000;
|
|
|
|
/* Aim for approx 100 interrupts / second on the client to
|
|
balance latency and interrupt load */
|
|
start_iso.pkts_per_urb = pkts_per_sec / 100;
|
|
if (start_iso.pkts_per_urb < 1) {
|
|
start_iso.pkts_per_urb = 1;
|
|
} else if (start_iso.pkts_per_urb > 32) {
|
|
start_iso.pkts_per_urb = 32;
|
|
}
|
|
|
|
start_iso.no_urbs = (dev->endpoint[EP2I(ep)].bufpq_target_size +
|
|
start_iso.pkts_per_urb - 1) /
|
|
start_iso.pkts_per_urb;
|
|
/* Output endpoints pre-fill only 1/2 of the packets, keeping the rest
|
|
as overflow buffer. Also see the usbredir protocol documentation */
|
|
if (!(ep & USB_DIR_IN)) {
|
|
start_iso.no_urbs *= 2;
|
|
}
|
|
if (start_iso.no_urbs > 16) {
|
|
start_iso.no_urbs = 16;
|
|
}
|
|
|
|
/* 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 pkts/sec %d pkts/urb %d urbs %d ep %02X\n",
|
|
pkts_per_sec, start_iso.pkts_per_urb, start_iso.no_urbs, ep);
|
|
dev->endpoint[EP2I(ep)].iso_started = 1;
|
|
dev->endpoint[EP2I(ep)].bufpq_prefilled = 0;
|
|
dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0;
|
|
}
|
|
|
|
if (ep & USB_DIR_IN) {
|
|
struct buf_packet *isop;
|
|
|
|
if (dev->endpoint[EP2I(ep)].iso_started &&
|
|
!dev->endpoint[EP2I(ep)].bufpq_prefilled) {
|
|
if (dev->endpoint[EP2I(ep)].bufpq_size <
|
|
dev->endpoint[EP2I(ep)].bufpq_target_size) {
|
|
return usbredir_handle_status(dev, 0, 0);
|
|
}
|
|
dev->endpoint[EP2I(ep)].bufpq_prefilled = 1;
|
|
}
|
|
|
|
isop = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq);
|
|
if (isop == NULL) {
|
|
DPRINTF("iso-token-in ep %02X, no isop, iso_error: %d\n",
|
|
ep, dev->endpoint[EP2I(ep)].iso_error);
|
|
/* Re-fill the buffer */
|
|
dev->endpoint[EP2I(ep)].bufpq_prefilled = 0;
|
|
/* 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 status ? USB_RET_IOERROR : 0;
|
|
}
|
|
DPRINTF2("iso-token-in ep %02X status %d len %d queue-size: %d\n", ep,
|
|
isop->status, isop->len, dev->endpoint[EP2I(ep)].bufpq_size);
|
|
|
|
status = isop->status;
|
|
if (status != usb_redir_success) {
|
|
bufp_free(dev, isop, ep);
|
|
return USB_RET_IOERROR;
|
|
}
|
|
|
|
len = isop->len;
|
|
if (len > p->iov.size) {
|
|
ERROR("received iso data is larger then packet ep %02X (%d > %d)\n",
|
|
ep, len, (int)p->iov.size);
|
|
bufp_free(dev, isop, ep);
|
|
return USB_RET_BABBLE;
|
|
}
|
|
usb_packet_copy(p, 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->iov.size
|
|
};
|
|
uint8_t buf[p->iov.size];
|
|
/* No id, we look at the ep when receiving a status back */
|
|
usb_packet_copy(p, buf, p->iov.size);
|
|
usbredirparser_send_iso_packet(dev->parser, 0, &iso_packet,
|
|
buf, p->iov.size);
|
|
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 %zd\n", ep, status,
|
|
p->iov.size);
|
|
return usbredir_handle_status(dev, status, p->iov.size);
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
dev->endpoint[EP2I(ep)].iso_error = 0;
|
|
usbredir_free_bufpq(dev, ep);
|
|
}
|
|
|
|
static int usbredir_handle_bulk_data(USBRedirDevice *dev, USBPacket *p,
|
|
uint8_t ep)
|
|
{
|
|
struct usb_redir_bulk_packet_header bulk_packet;
|
|
|
|
DPRINTF("bulk-out ep %02X len %zd id %"PRIu64"\n", ep, p->iov.size, p->id);
|
|
|
|
if (usbredir_already_in_flight(dev, p->id)) {
|
|
return USB_RET_ASYNC;
|
|
}
|
|
|
|
bulk_packet.endpoint = ep;
|
|
bulk_packet.length = p->iov.size;
|
|
bulk_packet.stream_id = 0;
|
|
|
|
if (ep & USB_DIR_IN) {
|
|
usbredirparser_send_bulk_packet(dev->parser, p->id,
|
|
&bulk_packet, NULL, 0);
|
|
} else {
|
|
uint8_t buf[p->iov.size];
|
|
usb_packet_copy(p, buf, p->iov.size);
|
|
usbredir_log_data(dev, "bulk data out:", buf, p->iov.size);
|
|
usbredirparser_send_bulk_packet(dev->parser, p->id,
|
|
&bulk_packet, buf, p->iov.size);
|
|
}
|
|
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;
|
|
/* We don't really want to drop interrupt packets ever, but
|
|
having some upper limit to how much we buffer is good. */
|
|
dev->endpoint[EP2I(ep)].bufpq_target_size = 1000;
|
|
dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0;
|
|
}
|
|
|
|
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;
|
|
if (status) {
|
|
return usbredir_handle_status(dev, status, 0);
|
|
}
|
|
return USB_RET_NAK;
|
|
}
|
|
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->iov.size) {
|
|
ERROR("received int data is larger then packet ep %02X\n", ep);
|
|
bufp_free(dev, intp, ep);
|
|
return USB_RET_BABBLE;
|
|
}
|
|
usb_packet_copy(p, intp->data, len);
|
|
bufp_free(dev, intp, ep);
|
|
return len;
|
|
} else {
|
|
/* Output interrupt endpoint, normal async operation */
|
|
struct usb_redir_interrupt_packet_header interrupt_packet;
|
|
uint8_t buf[p->iov.size];
|
|
|
|
DPRINTF("interrupt-out ep %02X len %zd id %"PRIu64"\n", ep,
|
|
p->iov.size, p->id);
|
|
|
|
if (usbredir_already_in_flight(dev, p->id)) {
|
|
return USB_RET_ASYNC;
|
|
}
|
|
|
|
interrupt_packet.endpoint = ep;
|
|
interrupt_packet.length = p->iov.size;
|
|
|
|
usb_packet_copy(p, buf, p->iov.size);
|
|
usbredir_log_data(dev, "interrupt data out:", buf, p->iov.size);
|
|
usbredirparser_send_interrupt_packet(dev->parser, p->id,
|
|
&interrupt_packet, buf, p->iov.size);
|
|
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;
|
|
}
|
|
dev->endpoint[EP2I(ep)].interrupt_error = 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->ep->nr;
|
|
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;
|
|
int i;
|
|
|
|
DPRINTF("set config %d id %"PRIu64"\n", config, p->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, p->id, &set_config);
|
|
usbredirparser_do_write(dev->parser);
|
|
return USB_RET_ASYNC;
|
|
}
|
|
|
|
static int usbredir_get_config(USBRedirDevice *dev, USBPacket *p)
|
|
{
|
|
DPRINTF("get config id %"PRIu64"\n", p->id);
|
|
|
|
usbredirparser_send_get_configuration(dev->parser, p->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;
|
|
int i;
|
|
|
|
DPRINTF("set interface %d alt %d id %"PRIu64"\n", interface, alt, p->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, p->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;
|
|
|
|
DPRINTF("get interface %d id %"PRIu64"\n", interface, p->id);
|
|
|
|
get_alt.interface = interface;
|
|
usbredirparser_send_get_alt_setting(dev->parser, p->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;
|
|
|
|
if (usbredir_already_in_flight(dev, p->id)) {
|
|
return USB_RET_ASYNC;
|
|
}
|
|
|
|
/* 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, note request is (bRequestType << 8) | bRequest */
|
|
DPRINTF(
|
|
"ctrl-out type 0x%x req 0x%x val 0x%x index %d len %d id %"PRIu64"\n",
|
|
request >> 8, request & 0xff, value, index, length, p->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;
|
|
|
|
if (control_packet.requesttype & USB_DIR_IN) {
|
|
usbredirparser_send_control_packet(dev->parser, p->id,
|
|
&control_packet, NULL, 0);
|
|
} else {
|
|
usbredir_log_data(dev, "ctrl data out:", data, length);
|
|
usbredirparser_send_control_packet(dev->parser, p->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.
|
|
*/
|
|
static void usbredir_chardev_close_bh(void *opaque)
|
|
{
|
|
USBRedirDevice *dev = opaque;
|
|
|
|
usbredir_device_disconnect(dev);
|
|
|
|
if (dev->parser) {
|
|
DPRINTF("destroying usbredirparser\n");
|
|
usbredirparser_destroy(dev->parser);
|
|
dev->parser = NULL;
|
|
}
|
|
}
|
|
|
|
static void usbredir_create_parser(USBRedirDevice *dev)
|
|
{
|
|
uint32_t caps[USB_REDIR_CAPS_SIZE] = { 0, };
|
|
int flags = 0;
|
|
|
|
DPRINTF("creating usbredirparser\n");
|
|
|
|
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->hello_func = usbredir_hello;
|
|
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_caps_set_cap(caps, usb_redir_cap_connect_device_version);
|
|
usbredirparser_caps_set_cap(caps, usb_redir_cap_filter);
|
|
usbredirparser_caps_set_cap(caps, usb_redir_cap_ep_info_max_packet_size);
|
|
usbredirparser_caps_set_cap(caps, usb_redir_cap_64bits_ids);
|
|
|
|
if (runstate_check(RUN_STATE_INMIGRATE)) {
|
|
flags |= usbredirparser_fl_no_hello;
|
|
}
|
|
usbredirparser_init(dev->parser, VERSION, caps, USB_REDIR_CAPS_SIZE,
|
|
flags);
|
|
usbredirparser_do_write(dev->parser);
|
|
}
|
|
|
|
static void usbredir_reject_device(USBRedirDevice *dev)
|
|
{
|
|
usbredir_device_disconnect(dev);
|
|
if (usbredirparser_peer_has_cap(dev->parser, usb_redir_cap_filter)) {
|
|
usbredirparser_send_filter_reject(dev->parser);
|
|
usbredirparser_do_write(dev->parser);
|
|
}
|
|
}
|
|
|
|
static void usbredir_do_attach(void *opaque)
|
|
{
|
|
USBRedirDevice *dev = opaque;
|
|
|
|
/* In order to work properly with XHCI controllers we need these caps */
|
|
if ((dev->dev.port->speedmask & USB_SPEED_MASK_SUPER) && !(
|
|
usbredirparser_peer_has_cap(dev->parser,
|
|
usb_redir_cap_ep_info_max_packet_size) &&
|
|
usbredirparser_peer_has_cap(dev->parser,
|
|
usb_redir_cap_64bits_ids))) {
|
|
ERROR("usb-redir-host lacks capabilities needed for use with XHCI\n");
|
|
usbredir_reject_device(dev);
|
|
return;
|
|
}
|
|
|
|
if (usb_device_attach(&dev->dev) != 0) {
|
|
usbredir_reject_device(dev);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* chardev callbacks
|
|
*/
|
|
|
|
static int usbredir_chardev_can_read(void *opaque)
|
|
{
|
|
USBRedirDevice *dev = opaque;
|
|
|
|
if (!dev->parser) {
|
|
WARNING("chardev_can_read called on non open chardev!\n");
|
|
return 0;
|
|
}
|
|
|
|
/* Don't read new data from the chardev until our state is fully synced */
|
|
if (!runstate_check(RUN_STATE_RUNNING)) {
|
|
return 0;
|
|
}
|
|
|
|
/* usbredir_parser_do_read will consume *all* data we give it */
|
|
return 1024 * 1024;
|
|
}
|
|
|
|
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:
|
|
DPRINTF("chardev open\n");
|
|
/* Make sure any pending closes are handled (no-op if none pending) */
|
|
usbredir_chardev_close_bh(dev);
|
|
qemu_bh_cancel(dev->chardev_close_bh);
|
|
usbredir_create_parser(dev);
|
|
break;
|
|
case CHR_EVENT_CLOSED:
|
|
DPRINTF("chardev close\n");
|
|
qemu_bh_schedule(dev->chardev_close_bh);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* init + destroy
|
|
*/
|
|
|
|
static void usbredir_vm_state_change(void *priv, int running, RunState state)
|
|
{
|
|
USBRedirDevice *dev = priv;
|
|
|
|
if (state == RUN_STATE_RUNNING && dev->parser != NULL) {
|
|
usbredirparser_do_write(dev->parser); /* Flush any pending writes */
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
if (dev->filter_str) {
|
|
i = usbredirfilter_string_to_rules(dev->filter_str, ":", "|",
|
|
&dev->filter_rules,
|
|
&dev->filter_rules_count);
|
|
if (i) {
|
|
qerror_report(QERR_INVALID_PARAMETER_VALUE, "filter",
|
|
"a usb device filter string");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
dev->chardev_close_bh = qemu_bh_new(usbredir_chardev_close_bh, dev);
|
|
dev->attach_timer = qemu_new_timer_ms(vm_clock, usbredir_do_attach, dev);
|
|
|
|
packet_id_queue_init(&dev->cancelled, dev, "cancelled");
|
|
packet_id_queue_init(&dev->already_in_flight, dev, "already-in-flight");
|
|
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;
|
|
|
|
/* Let the backend know we are ready */
|
|
qemu_chr_fe_open(dev->cs);
|
|
qemu_chr_add_handlers(dev->cs, usbredir_chardev_can_read,
|
|
usbredir_chardev_read, usbredir_chardev_event, dev);
|
|
|
|
qemu_add_vm_change_state_handler(usbredir_vm_state_change, dev);
|
|
add_boot_device_path(dev->bootindex, &udev->qdev, NULL);
|
|
return 0;
|
|
}
|
|
|
|
static void usbredir_cleanup_device_queues(USBRedirDevice *dev)
|
|
{
|
|
int i;
|
|
|
|
packet_id_queue_empty(&dev->cancelled);
|
|
packet_id_queue_empty(&dev->already_in_flight);
|
|
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_fe_close(dev->cs);
|
|
qemu_chr_delete(dev->cs);
|
|
/* Note must be done after qemu_chr_close, as that causes a close event */
|
|
qemu_bh_delete(dev->chardev_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);
|
|
}
|
|
|
|
free(dev->filter_rules);
|
|
}
|
|
|
|
static int usbredir_check_filter(USBRedirDevice *dev)
|
|
{
|
|
if (dev->interface_info.interface_count == NO_INTERFACE_INFO) {
|
|
ERROR("No interface info for device\n");
|
|
goto error;
|
|
}
|
|
|
|
if (dev->filter_rules) {
|
|
if (!usbredirparser_peer_has_cap(dev->parser,
|
|
usb_redir_cap_connect_device_version)) {
|
|
ERROR("Device filter specified and peer does not have the "
|
|
"connect_device_version capability\n");
|
|
goto error;
|
|
}
|
|
|
|
if (usbredirfilter_check(
|
|
dev->filter_rules,
|
|
dev->filter_rules_count,
|
|
dev->device_info.device_class,
|
|
dev->device_info.device_subclass,
|
|
dev->device_info.device_protocol,
|
|
dev->interface_info.interface_class,
|
|
dev->interface_info.interface_subclass,
|
|
dev->interface_info.interface_protocol,
|
|
dev->interface_info.interface_count,
|
|
dev->device_info.vendor_id,
|
|
dev->device_info.product_id,
|
|
dev->device_info.device_version_bcd,
|
|
0) != 0) {
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
|
|
error:
|
|
usbredir_reject_device(dev);
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* 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:
|
|
/*
|
|
* When the usbredir-host unredirects a device, it will report a status
|
|
* of cancelled for all pending packets, followed by a disconnect msg.
|
|
*/
|
|
return USB_RET_IOERROR;
|
|
case usb_redir_inval:
|
|
WARNING("got invalid param error from usb-host?\n");
|
|
return USB_RET_IOERROR;
|
|
case usb_redir_babble:
|
|
return USB_RET_BABBLE;
|
|
case usb_redir_ioerror:
|
|
case usb_redir_timeout:
|
|
default:
|
|
return USB_RET_IOERROR;
|
|
}
|
|
}
|
|
|
|
static void usbredir_hello(void *priv, struct usb_redir_hello_header *h)
|
|
{
|
|
USBRedirDevice *dev = priv;
|
|
|
|
/* Try to send the filter info now that we've the usb-host's caps */
|
|
if (usbredirparser_peer_has_cap(dev->parser, usb_redir_cap_filter) &&
|
|
dev->filter_rules) {
|
|
usbredirparser_send_filter_filter(dev->parser, dev->filter_rules,
|
|
dev->filter_rules_count);
|
|
usbredirparser_do_write(dev->parser);
|
|
}
|
|
}
|
|
|
|
static void usbredir_device_connect(void *priv,
|
|
struct usb_redir_device_connect_header *device_connect)
|
|
{
|
|
USBRedirDevice *dev = priv;
|
|
const char *speed;
|
|
|
|
if (qemu_timer_pending(dev->attach_timer) || dev->dev.attached) {
|
|
ERROR("Received device connect while already connected\n");
|
|
return;
|
|
}
|
|
|
|
switch (device_connect->speed) {
|
|
case usb_redir_speed_low:
|
|
speed = "low speed";
|
|
dev->dev.speed = USB_SPEED_LOW;
|
|
break;
|
|
case usb_redir_speed_full:
|
|
speed = "full speed";
|
|
dev->dev.speed = USB_SPEED_FULL;
|
|
break;
|
|
case usb_redir_speed_high:
|
|
speed = "high speed";
|
|
dev->dev.speed = USB_SPEED_HIGH;
|
|
break;
|
|
case usb_redir_speed_super:
|
|
speed = "super speed";
|
|
dev->dev.speed = USB_SPEED_SUPER;
|
|
break;
|
|
default:
|
|
speed = "unknown speed";
|
|
dev->dev.speed = USB_SPEED_FULL;
|
|
}
|
|
|
|
if (usbredirparser_peer_has_cap(dev->parser,
|
|
usb_redir_cap_connect_device_version)) {
|
|
INFO("attaching %s device %04x:%04x version %d.%d class %02x\n",
|
|
speed, device_connect->vendor_id, device_connect->product_id,
|
|
((device_connect->device_version_bcd & 0xf000) >> 12) * 10 +
|
|
((device_connect->device_version_bcd & 0x0f00) >> 8),
|
|
((device_connect->device_version_bcd & 0x00f0) >> 4) * 10 +
|
|
((device_connect->device_version_bcd & 0x000f) >> 0),
|
|
device_connect->device_class);
|
|
} else {
|
|
INFO("attaching %s device %04x:%04x class %02x\n", speed,
|
|
device_connect->vendor_id, device_connect->product_id,
|
|
device_connect->device_class);
|
|
}
|
|
|
|
dev->dev.speedmask = (1 << dev->dev.speed);
|
|
dev->device_info = *device_connect;
|
|
|
|
if (usbredir_check_filter(dev)) {
|
|
WARNING("Device %04x:%04x rejected by device filter, not attaching\n",
|
|
device_connect->vendor_id, device_connect->product_id);
|
|
return;
|
|
}
|
|
|
|
qemu_mod_timer(dev->attach_timer, dev->next_attach_time);
|
|
}
|
|
|
|
static void usbredir_device_disconnect(void *priv)
|
|
{
|
|
USBRedirDevice *dev = priv;
|
|
int i;
|
|
|
|
/* Stop any pending attaches */
|
|
qemu_del_timer(dev->attach_timer);
|
|
|
|
if (dev->dev.attached) {
|
|
DPRINTF("detaching device\n");
|
|
usb_device_detach(&dev->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;
|
|
}
|
|
|
|
/* Reset state so that the next dev connected starts with a clean slate */
|
|
usbredir_cleanup_device_queues(dev);
|
|
memset(dev->endpoint, 0, sizeof(dev->endpoint));
|
|
for (i = 0; i < MAX_ENDPOINTS; i++) {
|
|
QTAILQ_INIT(&dev->endpoint[i].bufpq);
|
|
}
|
|
usb_ep_init(&dev->dev);
|
|
dev->interface_info.interface_count = NO_INTERFACE_INFO;
|
|
dev->dev.addr = 0;
|
|
dev->dev.speed = 0;
|
|
}
|
|
|
|
static void usbredir_interface_info(void *priv,
|
|
struct usb_redir_interface_info_header *interface_info)
|
|
{
|
|
USBRedirDevice *dev = priv;
|
|
|
|
dev->interface_info = *interface_info;
|
|
|
|
/*
|
|
* If we receive interface info after the device has already been
|
|
* connected (ie on a set_config), re-check the filter.
|
|
*/
|
|
if (qemu_timer_pending(dev->attach_timer) || dev->dev.attached) {
|
|
if (usbredir_check_filter(dev)) {
|
|
ERROR("Device no longer matches filter after interface info "
|
|
"change, disconnecting!\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
static void usbredir_ep_info(void *priv,
|
|
struct usb_redir_ep_info_header *ep_info)
|
|
{
|
|
USBRedirDevice *dev = priv;
|
|
struct USBEndpoint *usb_ep;
|
|
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];
|
|
switch (dev->endpoint[i].type) {
|
|
case usb_redir_type_invalid:
|
|
break;
|
|
case usb_redir_type_iso:
|
|
case usb_redir_type_interrupt:
|
|
if (dev->endpoint[i].interval == 0) {
|
|
ERROR("Received 0 interval for isoc or irq endpoint\n");
|
|
usbredir_device_disconnect(dev);
|
|
}
|
|
/* Fall through */
|
|
case usb_redir_type_control:
|
|
case usb_redir_type_bulk:
|
|
DPRINTF("ep: %02X type: %d interface: %d\n", I2EP(i),
|
|
dev->endpoint[i].type, dev->endpoint[i].interface);
|
|
break;
|
|
default:
|
|
ERROR("Received invalid endpoint type\n");
|
|
usbredir_device_disconnect(dev);
|
|
return;
|
|
}
|
|
usb_ep = usb_ep_get(&dev->dev,
|
|
(i & 0x10) ? USB_TOKEN_IN : USB_TOKEN_OUT,
|
|
i & 0x0f);
|
|
usb_ep->type = dev->endpoint[i].type;
|
|
usb_ep->ifnum = dev->endpoint[i].interface;
|
|
if (usbredirparser_peer_has_cap(dev->parser,
|
|
usb_redir_cap_ep_info_max_packet_size)) {
|
|
dev->endpoint[i].max_packet_size =
|
|
usb_ep->max_packet_size = ep_info->max_packet_size[i];
|
|
}
|
|
if (ep_info->type[i] == usb_redir_type_bulk) {
|
|
usb_ep->pipeline = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void usbredir_configuration_status(void *priv, uint64_t id,
|
|
struct usb_redir_configuration_status_header *config_status)
|
|
{
|
|
USBRedirDevice *dev = priv;
|
|
USBPacket *p;
|
|
int len = 0;
|
|
|
|
DPRINTF("set config status %d config %d id %"PRIu64"\n",
|
|
config_status->status, config_status->configuration, id);
|
|
|
|
p = usbredir_find_packet_by_id(dev, 0, id);
|
|
if (p) {
|
|
if (dev->dev.setup_buf[0] & USB_DIR_IN) {
|
|
dev->dev.data_buf[0] = config_status->configuration;
|
|
len = 1;
|
|
}
|
|
p->result = usbredir_handle_status(dev, config_status->status, len);
|
|
usb_generic_async_ctrl_complete(&dev->dev, p);
|
|
}
|
|
}
|
|
|
|
static void usbredir_alt_setting_status(void *priv, uint64_t id,
|
|
struct usb_redir_alt_setting_status_header *alt_setting_status)
|
|
{
|
|
USBRedirDevice *dev = priv;
|
|
USBPacket *p;
|
|
int len = 0;
|
|
|
|
DPRINTF("alt status %d intf %d alt %d id: %"PRIu64"\n",
|
|
alt_setting_status->status, alt_setting_status->interface,
|
|
alt_setting_status->alt, id);
|
|
|
|
p = usbredir_find_packet_by_id(dev, 0, id);
|
|
if (p) {
|
|
if (dev->dev.setup_buf[0] & USB_DIR_IN) {
|
|
dev->dev.data_buf[0] = alt_setting_status->alt;
|
|
len = 1;
|
|
}
|
|
p->result =
|
|
usbredir_handle_status(dev, alt_setting_status->status, len);
|
|
usb_generic_async_ctrl_complete(&dev->dev, p);
|
|
}
|
|
}
|
|
|
|
static void usbredir_iso_stream_status(void *priv, uint64_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 %"PRIu64"\n", iso_stream_status->status,
|
|
ep, id);
|
|
|
|
if (!dev->dev.attached || !dev->endpoint[EP2I(ep)].iso_started) {
|
|
return;
|
|
}
|
|
|
|
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, uint64_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 %"PRIu64"\n",
|
|
interrupt_receiving_status->status, ep, id);
|
|
|
|
if (!dev->dev.attached || !dev->endpoint[EP2I(ep)].interrupt_started) {
|
|
return;
|
|
}
|
|
|
|
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, uint64_t id,
|
|
struct usb_redir_bulk_streams_status_header *bulk_streams_status)
|
|
{
|
|
}
|
|
|
|
static void usbredir_control_packet(void *priv, uint64_t id,
|
|
struct usb_redir_control_packet_header *control_packet,
|
|
uint8_t *data, int data_len)
|
|
{
|
|
USBRedirDevice *dev = priv;
|
|
USBPacket *p;
|
|
int len = control_packet->length;
|
|
|
|
DPRINTF("ctrl-in status %d len %d id %"PRIu64"\n", control_packet->status,
|
|
len, id);
|
|
|
|
p = usbredir_find_packet_by_id(dev, 0, id);
|
|
if (p) {
|
|
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;
|
|
}
|
|
}
|
|
p->result = len;
|
|
usb_generic_async_ctrl_complete(&dev->dev, p);
|
|
}
|
|
free(data);
|
|
}
|
|
|
|
static void usbredir_bulk_packet(void *priv, uint64_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;
|
|
USBPacket *p;
|
|
|
|
DPRINTF("bulk-in status %d ep %02X len %d id %"PRIu64"\n",
|
|
bulk_packet->status, ep, len, id);
|
|
|
|
p = usbredir_find_packet_by_id(dev, ep, id);
|
|
if (p) {
|
|
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 <= p->iov.size) {
|
|
usb_packet_copy(p, data, data_len);
|
|
} else {
|
|
ERROR("bulk got more data then requested (%d > %zd)\n",
|
|
data_len, p->iov.size);
|
|
len = USB_RET_BABBLE;
|
|
}
|
|
}
|
|
p->result = len;
|
|
usb_packet_complete(&dev->dev, p);
|
|
}
|
|
free(data);
|
|
}
|
|
|
|
static void usbredir_iso_packet(void *priv, uint64_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 %"PRIu64"\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, uint64_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 %"PRIu64"\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;
|
|
|
|
USBPacket *p = usbredir_find_packet_by_id(dev, ep, id);
|
|
if (p) {
|
|
p->result = usbredir_handle_status(dev,
|
|
interrupt_packet->status, len);
|
|
usb_packet_complete(&dev->dev, p);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Migration code
|
|
*/
|
|
|
|
static void usbredir_pre_save(void *priv)
|
|
{
|
|
USBRedirDevice *dev = priv;
|
|
|
|
usbredir_fill_already_in_flight(dev);
|
|
}
|
|
|
|
static int usbredir_post_load(void *priv, int version_id)
|
|
{
|
|
USBRedirDevice *dev = priv;
|
|
struct USBEndpoint *usb_ep;
|
|
int i;
|
|
|
|
switch (dev->device_info.speed) {
|
|
case usb_redir_speed_low:
|
|
dev->dev.speed = USB_SPEED_LOW;
|
|
break;
|
|
case usb_redir_speed_full:
|
|
dev->dev.speed = USB_SPEED_FULL;
|
|
break;
|
|
case usb_redir_speed_high:
|
|
dev->dev.speed = USB_SPEED_HIGH;
|
|
break;
|
|
case usb_redir_speed_super:
|
|
dev->dev.speed = USB_SPEED_SUPER;
|
|
break;
|
|
default:
|
|
dev->dev.speed = USB_SPEED_FULL;
|
|
}
|
|
dev->dev.speedmask = (1 << dev->dev.speed);
|
|
|
|
for (i = 0; i < MAX_ENDPOINTS; i++) {
|
|
usb_ep = usb_ep_get(&dev->dev,
|
|
(i & 0x10) ? USB_TOKEN_IN : USB_TOKEN_OUT,
|
|
i & 0x0f);
|
|
usb_ep->type = dev->endpoint[i].type;
|
|
usb_ep->ifnum = dev->endpoint[i].interface;
|
|
usb_ep->max_packet_size = dev->endpoint[i].max_packet_size;
|
|
if (dev->endpoint[i].type == usb_redir_type_bulk) {
|
|
usb_ep->pipeline = true;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* For usbredirparser migration */
|
|
static void usbredir_put_parser(QEMUFile *f, void *priv, size_t unused)
|
|
{
|
|
USBRedirDevice *dev = priv;
|
|
uint8_t *data;
|
|
int len;
|
|
|
|
if (dev->parser == NULL) {
|
|
qemu_put_be32(f, 0);
|
|
return;
|
|
}
|
|
|
|
usbredirparser_serialize(dev->parser, &data, &len);
|
|
qemu_oom_check(data);
|
|
|
|
qemu_put_be32(f, len);
|
|
qemu_put_buffer(f, data, len);
|
|
|
|
free(data);
|
|
}
|
|
|
|
static int usbredir_get_parser(QEMUFile *f, void *priv, size_t unused)
|
|
{
|
|
USBRedirDevice *dev = priv;
|
|
uint8_t *data;
|
|
int len, ret;
|
|
|
|
len = qemu_get_be32(f);
|
|
if (len == 0) {
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* If our chardev is not open already at this point the usbredir connection
|
|
* has been broken (non seamless migration, or restore from disk).
|
|
*
|
|
* In this case create a temporary parser to receive the migration data,
|
|
* and schedule the close_bh to report the device as disconnected to the
|
|
* guest and to destroy the parser again.
|
|
*/
|
|
if (dev->parser == NULL) {
|
|
WARNING("usb-redir connection broken during migration\n");
|
|
usbredir_create_parser(dev);
|
|
qemu_bh_schedule(dev->chardev_close_bh);
|
|
}
|
|
|
|
data = g_malloc(len);
|
|
qemu_get_buffer(f, data, len);
|
|
|
|
ret = usbredirparser_unserialize(dev->parser, data, len);
|
|
|
|
g_free(data);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const VMStateInfo usbredir_parser_vmstate_info = {
|
|
.name = "usb-redir-parser",
|
|
.put = usbredir_put_parser,
|
|
.get = usbredir_get_parser,
|
|
};
|
|
|
|
|
|
/* For buffered packets (iso/irq) queue migration */
|
|
static void usbredir_put_bufpq(QEMUFile *f, void *priv, size_t unused)
|
|
{
|
|
struct endp_data *endp = priv;
|
|
struct buf_packet *bufp;
|
|
int remain = endp->bufpq_size;
|
|
|
|
qemu_put_be32(f, endp->bufpq_size);
|
|
QTAILQ_FOREACH(bufp, &endp->bufpq, next) {
|
|
qemu_put_be32(f, bufp->len);
|
|
qemu_put_be32(f, bufp->status);
|
|
qemu_put_buffer(f, bufp->data, bufp->len);
|
|
remain--;
|
|
}
|
|
assert(remain == 0);
|
|
}
|
|
|
|
static int usbredir_get_bufpq(QEMUFile *f, void *priv, size_t unused)
|
|
{
|
|
struct endp_data *endp = priv;
|
|
struct buf_packet *bufp;
|
|
int i;
|
|
|
|
endp->bufpq_size = qemu_get_be32(f);
|
|
for (i = 0; i < endp->bufpq_size; i++) {
|
|
bufp = g_malloc(sizeof(struct buf_packet));
|
|
bufp->len = qemu_get_be32(f);
|
|
bufp->status = qemu_get_be32(f);
|
|
bufp->data = qemu_oom_check(malloc(bufp->len)); /* regular malloc! */
|
|
qemu_get_buffer(f, bufp->data, bufp->len);
|
|
QTAILQ_INSERT_TAIL(&endp->bufpq, bufp, next);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static const VMStateInfo usbredir_ep_bufpq_vmstate_info = {
|
|
.name = "usb-redir-bufpq",
|
|
.put = usbredir_put_bufpq,
|
|
.get = usbredir_get_bufpq,
|
|
};
|
|
|
|
|
|
/* For endp_data migration */
|
|
static const VMStateDescription usbredir_ep_vmstate = {
|
|
.name = "usb-redir-ep",
|
|
.version_id = 1,
|
|
.minimum_version_id = 1,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_UINT8(type, struct endp_data),
|
|
VMSTATE_UINT8(interval, struct endp_data),
|
|
VMSTATE_UINT8(interface, struct endp_data),
|
|
VMSTATE_UINT16(max_packet_size, struct endp_data),
|
|
VMSTATE_UINT8(iso_started, struct endp_data),
|
|
VMSTATE_UINT8(iso_error, struct endp_data),
|
|
VMSTATE_UINT8(interrupt_started, struct endp_data),
|
|
VMSTATE_UINT8(interrupt_error, struct endp_data),
|
|
VMSTATE_UINT8(bufpq_prefilled, struct endp_data),
|
|
VMSTATE_UINT8(bufpq_dropping_packets, struct endp_data),
|
|
{
|
|
.name = "bufpq",
|
|
.version_id = 0,
|
|
.field_exists = NULL,
|
|
.size = 0,
|
|
.info = &usbredir_ep_bufpq_vmstate_info,
|
|
.flags = VMS_SINGLE,
|
|
.offset = 0,
|
|
},
|
|
VMSTATE_INT32(bufpq_target_size, struct endp_data),
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|
|
|
|
|
|
/* For PacketIdQueue migration */
|
|
static void usbredir_put_packet_id_q(QEMUFile *f, void *priv, size_t unused)
|
|
{
|
|
struct PacketIdQueue *q = priv;
|
|
USBRedirDevice *dev = q->dev;
|
|
struct PacketIdQueueEntry *e;
|
|
int remain = q->size;
|
|
|
|
DPRINTF("put_packet_id_q %s size %d\n", q->name, q->size);
|
|
qemu_put_be32(f, q->size);
|
|
QTAILQ_FOREACH(e, &q->head, next) {
|
|
qemu_put_be64(f, e->id);
|
|
remain--;
|
|
}
|
|
assert(remain == 0);
|
|
}
|
|
|
|
static int usbredir_get_packet_id_q(QEMUFile *f, void *priv, size_t unused)
|
|
{
|
|
struct PacketIdQueue *q = priv;
|
|
USBRedirDevice *dev = q->dev;
|
|
int i, size;
|
|
uint64_t id;
|
|
|
|
size = qemu_get_be32(f);
|
|
DPRINTF("get_packet_id_q %s size %d\n", q->name, size);
|
|
for (i = 0; i < size; i++) {
|
|
id = qemu_get_be64(f);
|
|
packet_id_queue_add(q, id);
|
|
}
|
|
assert(q->size == size);
|
|
return 0;
|
|
}
|
|
|
|
static const VMStateInfo usbredir_ep_packet_id_q_vmstate_info = {
|
|
.name = "usb-redir-packet-id-q",
|
|
.put = usbredir_put_packet_id_q,
|
|
.get = usbredir_get_packet_id_q,
|
|
};
|
|
|
|
static const VMStateDescription usbredir_ep_packet_id_queue_vmstate = {
|
|
.name = "usb-redir-packet-id-queue",
|
|
.version_id = 1,
|
|
.minimum_version_id = 1,
|
|
.fields = (VMStateField[]) {
|
|
{
|
|
.name = "queue",
|
|
.version_id = 0,
|
|
.field_exists = NULL,
|
|
.size = 0,
|
|
.info = &usbredir_ep_packet_id_q_vmstate_info,
|
|
.flags = VMS_SINGLE,
|
|
.offset = 0,
|
|
},
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|
|
|
|
|
|
/* For usb_redir_device_connect_header migration */
|
|
static const VMStateDescription usbredir_device_info_vmstate = {
|
|
.name = "usb-redir-device-info",
|
|
.version_id = 1,
|
|
.minimum_version_id = 1,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_UINT8(speed, struct usb_redir_device_connect_header),
|
|
VMSTATE_UINT8(device_class, struct usb_redir_device_connect_header),
|
|
VMSTATE_UINT8(device_subclass, struct usb_redir_device_connect_header),
|
|
VMSTATE_UINT8(device_protocol, struct usb_redir_device_connect_header),
|
|
VMSTATE_UINT16(vendor_id, struct usb_redir_device_connect_header),
|
|
VMSTATE_UINT16(product_id, struct usb_redir_device_connect_header),
|
|
VMSTATE_UINT16(device_version_bcd,
|
|
struct usb_redir_device_connect_header),
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|
|
|
|
|
|
/* For usb_redir_interface_info_header migration */
|
|
static const VMStateDescription usbredir_interface_info_vmstate = {
|
|
.name = "usb-redir-interface-info",
|
|
.version_id = 1,
|
|
.minimum_version_id = 1,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_UINT32(interface_count,
|
|
struct usb_redir_interface_info_header),
|
|
VMSTATE_UINT8_ARRAY(interface,
|
|
struct usb_redir_interface_info_header, 32),
|
|
VMSTATE_UINT8_ARRAY(interface_class,
|
|
struct usb_redir_interface_info_header, 32),
|
|
VMSTATE_UINT8_ARRAY(interface_subclass,
|
|
struct usb_redir_interface_info_header, 32),
|
|
VMSTATE_UINT8_ARRAY(interface_protocol,
|
|
struct usb_redir_interface_info_header, 32),
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|
|
|
|
|
|
/* And finally the USBRedirDevice vmstate itself */
|
|
static const VMStateDescription usbredir_vmstate = {
|
|
.name = "usb-redir",
|
|
.version_id = 1,
|
|
.minimum_version_id = 1,
|
|
.pre_save = usbredir_pre_save,
|
|
.post_load = usbredir_post_load,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_USB_DEVICE(dev, USBRedirDevice),
|
|
VMSTATE_TIMER(attach_timer, USBRedirDevice),
|
|
{
|
|
.name = "parser",
|
|
.version_id = 0,
|
|
.field_exists = NULL,
|
|
.size = 0,
|
|
.info = &usbredir_parser_vmstate_info,
|
|
.flags = VMS_SINGLE,
|
|
.offset = 0,
|
|
},
|
|
VMSTATE_STRUCT_ARRAY(endpoint, USBRedirDevice, MAX_ENDPOINTS, 1,
|
|
usbredir_ep_vmstate, struct endp_data),
|
|
VMSTATE_STRUCT(cancelled, USBRedirDevice, 1,
|
|
usbredir_ep_packet_id_queue_vmstate,
|
|
struct PacketIdQueue),
|
|
VMSTATE_STRUCT(already_in_flight, USBRedirDevice, 1,
|
|
usbredir_ep_packet_id_queue_vmstate,
|
|
struct PacketIdQueue),
|
|
VMSTATE_STRUCT(device_info, USBRedirDevice, 1,
|
|
usbredir_device_info_vmstate,
|
|
struct usb_redir_device_connect_header),
|
|
VMSTATE_STRUCT(interface_info, USBRedirDevice, 1,
|
|
usbredir_interface_info_vmstate,
|
|
struct usb_redir_interface_info_header),
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|
|
|
|
static Property usbredir_properties[] = {
|
|
DEFINE_PROP_CHR("chardev", USBRedirDevice, cs),
|
|
DEFINE_PROP_UINT8("debug", USBRedirDevice, debug, 0),
|
|
DEFINE_PROP_STRING("filter", USBRedirDevice, filter_str),
|
|
DEFINE_PROP_INT32("bootindex", USBRedirDevice, bootindex, -1),
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
};
|
|
|
|
static void usbredir_class_initfn(ObjectClass *klass, void *data)
|
|
{
|
|
USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
|
|
|
uc->init = usbredir_initfn;
|
|
uc->product_desc = "USB Redirection Device";
|
|
uc->handle_destroy = usbredir_handle_destroy;
|
|
uc->cancel_packet = usbredir_cancel_packet;
|
|
uc->handle_reset = usbredir_handle_reset;
|
|
uc->handle_data = usbredir_handle_data;
|
|
uc->handle_control = usbredir_handle_control;
|
|
dc->vmsd = &usbredir_vmstate;
|
|
dc->props = usbredir_properties;
|
|
}
|
|
|
|
static TypeInfo usbredir_dev_info = {
|
|
.name = "usb-redir",
|
|
.parent = TYPE_USB_DEVICE,
|
|
.instance_size = sizeof(USBRedirDevice),
|
|
.class_init = usbredir_class_initfn,
|
|
};
|
|
|
|
static void usbredir_register_types(void)
|
|
{
|
|
type_register_static(&usbredir_dev_info);
|
|
}
|
|
|
|
type_init(usbredir_register_types)
|