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-rw-r--r--qemu/hw/usb/redirect.c2526
1 files changed, 0 insertions, 2526 deletions
diff --git a/qemu/hw/usb/redirect.c b/qemu/hw/usb/redirect.c
deleted file mode 100644
index 8d8054037..000000000
--- a/qemu/hw/usb/redirect.c
+++ /dev/null
@@ -1,2526 +0,0 @@
-/*
- * 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/osdep.h"
-#include "qapi/error.h"
-#include "qemu-common.h"
-#include "qemu/timer.h"
-#include "sysemu/sysemu.h"
-#include "qapi/qmp/qerror.h"
-#include "qemu/error-report.h"
-#include "qemu/iov.h"
-#include "sysemu/char.h"
-
-#include <usbredirparser.h>
-#include <usbredirfilter.h>
-
-#include "hw/usb.h"
-
-/* ERROR is defined below. Remove any previous definition. */
-#undef ERROR
-
-#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))
-#define USBEP2I(usb_ep) (((usb_ep)->pid == USB_TOKEN_IN) ? \
- ((usb_ep)->nr | 0x10) : ((usb_ep)->nr))
-#define I2USBEP(d, i) (usb_ep_get(&(d)->dev, \
- ((i) & 0x10) ? USB_TOKEN_IN : USB_TOKEN_OUT, \
- (i) & 0x0f))
-
-#ifndef USBREDIR_VERSION /* This is not defined in older usbredir versions */
-#define USBREDIR_VERSION 0
-#endif
-
-typedef struct USBRedirDevice USBRedirDevice;
-
-/* Struct to hold buffered packets */
-struct buf_packet {
- uint8_t *data;
- void *free_on_destroy;
- uint16_t len;
- uint16_t offset;
- uint8_t status;
- QTAILQ_ENTRY(buf_packet)next;
-};
-
-struct endp_data {
- USBRedirDevice *dev;
- uint8_t type;
- uint8_t interval;
- uint8_t interface; /* bInterfaceNumber this ep belongs to */
- uint16_t max_packet_size; /* In bytes, not wMaxPacketSize format !! */
- uint32_t max_streams;
- 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 bulk_receiving_enabled;
- uint8_t bulk_receiving_started;
- uint8_t bufpq_prefilled;
- uint8_t bufpq_dropping_packets;
- QTAILQ_HEAD(, buf_packet) bufpq;
- int32_t bufpq_size;
- int32_t bufpq_target_size;
- USBPacket *pending_async_packet;
-};
-
-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;
- /* Active chardev-watch-tag */
- guint watch;
- /* For async handling of close / reject */
- QEMUBH *chardev_close_bh;
- QEMUBH *device_reject_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;
- void (*buffered_bulk_in_complete)(USBRedirDevice *, USBPacket *, uint8_t);
- /* 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;
- int compatible_speedmask;
-};
-
-#define TYPE_USB_REDIR "usb-redir"
-#define USB_REDIRECT(obj) OBJECT_CHECK(USBRedirDevice, (obj), TYPE_USB_REDIR)
-
-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_bulk_receiving_status(void *priv, uint64_t id,
- struct usb_redir_bulk_receiving_status_header *bulk_receiving_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 void usbredir_buffered_bulk_packet(void *priv, uint64_t id,
- struct usb_redir_buffered_bulk_packet_header *buffered_bulk_packet,
- uint8_t *data, int data_len);
-
-static void usbredir_handle_status(USBRedirDevice *dev, USBPacket *p,
- int status);
-
-#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 gboolean usbredir_write_unblocked(GIOChannel *chan, GIOCondition cond,
- void *opaque)
-{
- USBRedirDevice *dev = opaque;
-
- dev->watch = 0;
- usbredirparser_do_write(dev->parser);
-
- return FALSE;
-}
-
-static int usbredir_write(void *priv, uint8_t *data, int count)
-{
- USBRedirDevice *dev = priv;
- int r;
-
- if (!dev->cs->be_open) {
- return 0;
- }
-
- /* Don't send new data to the chardev until our state is fully synced */
- if (!runstate_check(RUN_STATE_RUNNING)) {
- return 0;
- }
-
- r = qemu_chr_fe_write(dev->cs, data, count);
- if (r < count) {
- if (!dev->watch) {
- dev->watch = qemu_chr_fe_add_watch(dev->cs, G_IO_OUT|G_IO_HUP,
- usbredir_write_unblocked, dev);
- }
- if (r < 0) {
- r = 0;
- }
- }
- return r;
-}
-
-/*
- * 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_new0(struct PacketIdQueueEntry, 1);
- 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 = USB_REDIRECT(udev);
- int i = USBEP2I(p->ep);
-
- if (p->combined) {
- usb_combined_packet_cancel(udev, p);
- return;
- }
-
- if (dev->endpoint[i].pending_async_packet) {
- assert(dev->endpoint[i].pending_async_packet == p);
- dev->endpoint[i].pending_async_packet = NULL;
- return;
- }
-
- 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;
-
- /* async handled packets for bulk receiving eps do not count as inflight */
- if (dev->endpoint[USBEP2I(ep)].bulk_receiving_started) {
- return;
- }
-
- QTAILQ_FOREACH(p, &ep->queue, queue) {
- /* Skip combined packets, except for the first */
- if (p->combined && p != p->combined->first) {
- continue;
- }
- if (p->state == USB_PACKET_ASYNC) {
- 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 int bufp_alloc(USBRedirDevice *dev, uint8_t *data, uint16_t len,
- uint8_t status, uint8_t ep, void *free_on_destroy)
-{
- 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 -1;
- }
- dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0;
- }
-
- bufp = g_new(struct buf_packet, 1);
- bufp->data = data;
- bufp->len = len;
- bufp->offset = 0;
- bufp->status = status;
- bufp->free_on_destroy = free_on_destroy;
- QTAILQ_INSERT_TAIL(&dev->endpoint[EP2I(ep)].bufpq, bufp, next);
- dev->endpoint[EP2I(ep)].bufpq_size++;
- return 0;
-}
-
-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->free_on_destroy);
- 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 = USB_REDIRECT(udev);
-
- DPRINTF("reset device\n");
- usbredirparser_send_reset(dev->parser);
- usbredirparser_do_write(dev->parser);
-}
-
-static void 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;
- }
- 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;
- p->status = status ? USB_RET_IOERROR : USB_RET_SUCCESS;
- return;
- }
- 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;
- 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);
- len = p->iov.size;
- status = usb_redir_babble;
- }
- usb_packet_copy(p, isop->data, len);
- bufp_free(dev, isop, ep);
- usbredir_handle_status(dev, p, status);
- } 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);
- usbredir_handle_status(dev, p, status);
- }
-}
-
-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);
-}
-
-/*
- * The usb-host may poll the endpoint faster then our guest, resulting in lots
- * of smaller bulkp-s. The below buffered_bulk_in_complete* functions combine
- * data from multiple bulkp-s into a single packet, avoiding bufpq overflows.
- */
-static void usbredir_buffered_bulk_add_data_to_packet(USBRedirDevice *dev,
- struct buf_packet *bulkp, int count, USBPacket *p, uint8_t ep)
-{
- usb_packet_copy(p, bulkp->data + bulkp->offset, count);
- bulkp->offset += count;
- if (bulkp->offset == bulkp->len) {
- /* Store status in the last packet with data from this bulkp */
- usbredir_handle_status(dev, p, bulkp->status);
- bufp_free(dev, bulkp, ep);
- }
-}
-
-static void usbredir_buffered_bulk_in_complete_raw(USBRedirDevice *dev,
- USBPacket *p, uint8_t ep)
-{
- struct buf_packet *bulkp;
- int count;
-
- while ((bulkp = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq)) &&
- p->actual_length < p->iov.size && p->status == USB_RET_SUCCESS) {
- count = bulkp->len - bulkp->offset;
- if (count > (p->iov.size - p->actual_length)) {
- count = p->iov.size - p->actual_length;
- }
- usbredir_buffered_bulk_add_data_to_packet(dev, bulkp, count, p, ep);
- }
-}
-
-static void usbredir_buffered_bulk_in_complete_ftdi(USBRedirDevice *dev,
- USBPacket *p, uint8_t ep)
-{
- const int maxp = dev->endpoint[EP2I(ep)].max_packet_size;
- uint8_t header[2] = { 0, 0 };
- struct buf_packet *bulkp;
- int count;
-
- while ((bulkp = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq)) &&
- p->actual_length < p->iov.size && p->status == USB_RET_SUCCESS) {
- if (bulkp->len < 2) {
- WARNING("malformed ftdi bulk in packet\n");
- bufp_free(dev, bulkp, ep);
- continue;
- }
-
- if ((p->actual_length % maxp) == 0) {
- usb_packet_copy(p, bulkp->data, 2);
- memcpy(header, bulkp->data, 2);
- } else {
- if (bulkp->data[0] != header[0] || bulkp->data[1] != header[1]) {
- break; /* Different header, add to next packet */
- }
- }
-
- if (bulkp->offset == 0) {
- bulkp->offset = 2; /* Skip header */
- }
- count = bulkp->len - bulkp->offset;
- /* Must repeat the header at maxp interval */
- if (count > (maxp - (p->actual_length % maxp))) {
- count = maxp - (p->actual_length % maxp);
- }
- usbredir_buffered_bulk_add_data_to_packet(dev, bulkp, count, p, ep);
- }
-}
-
-static void usbredir_buffered_bulk_in_complete(USBRedirDevice *dev,
- USBPacket *p, uint8_t ep)
-{
- p->status = USB_RET_SUCCESS; /* Clear previous ASYNC status */
- dev->buffered_bulk_in_complete(dev, p, ep);
- DPRINTF("bulk-token-in ep %02X status %d len %d id %"PRIu64"\n",
- ep, p->status, p->actual_length, p->id);
-}
-
-static void usbredir_handle_buffered_bulk_in_data(USBRedirDevice *dev,
- USBPacket *p, uint8_t ep)
-{
- /* Input bulk endpoint, buffered packet input */
- if (!dev->endpoint[EP2I(ep)].bulk_receiving_started) {
- int bpt;
- struct usb_redir_start_bulk_receiving_header start = {
- .endpoint = ep,
- .stream_id = 0,
- .no_transfers = 5,
- };
- /* Round bytes_per_transfer up to a multiple of max_packet_size */
- bpt = 512 + dev->endpoint[EP2I(ep)].max_packet_size - 1;
- bpt /= dev->endpoint[EP2I(ep)].max_packet_size;
- bpt *= dev->endpoint[EP2I(ep)].max_packet_size;
- start.bytes_per_transfer = bpt;
- /* No id, we look at the ep when receiving a status back */
- usbredirparser_send_start_bulk_receiving(dev->parser, 0, &start);
- usbredirparser_do_write(dev->parser);
- DPRINTF("bulk receiving started bytes/transfer %u count %d ep %02X\n",
- start.bytes_per_transfer, start.no_transfers, ep);
- dev->endpoint[EP2I(ep)].bulk_receiving_started = 1;
- /* We don't really want to drop bulk packets ever, but
- having some upper limit to how much we buffer is good. */
- dev->endpoint[EP2I(ep)].bufpq_target_size = 5000;
- dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0;
- }
-
- if (QTAILQ_EMPTY(&dev->endpoint[EP2I(ep)].bufpq)) {
- DPRINTF("bulk-token-in ep %02X, no bulkp\n", ep);
- assert(dev->endpoint[EP2I(ep)].pending_async_packet == NULL);
- dev->endpoint[EP2I(ep)].pending_async_packet = p;
- p->status = USB_RET_ASYNC;
- return;
- }
- usbredir_buffered_bulk_in_complete(dev, p, ep);
-}
-
-static void usbredir_stop_bulk_receiving(USBRedirDevice *dev, uint8_t ep)
-{
- struct usb_redir_stop_bulk_receiving_header stop_bulk = {
- .endpoint = ep,
- .stream_id = 0,
- };
- if (dev->endpoint[EP2I(ep)].bulk_receiving_started) {
- usbredirparser_send_stop_bulk_receiving(dev->parser, 0, &stop_bulk);
- DPRINTF("bulk receiving stopped ep %02X\n", ep);
- dev->endpoint[EP2I(ep)].bulk_receiving_started = 0;
- }
- usbredir_free_bufpq(dev, ep);
-}
-
-static void usbredir_handle_bulk_data(USBRedirDevice *dev, USBPacket *p,
- uint8_t ep)
-{
- struct usb_redir_bulk_packet_header bulk_packet;
- size_t size = usb_packet_size(p);
- const int maxp = dev->endpoint[EP2I(ep)].max_packet_size;
-
- if (usbredir_already_in_flight(dev, p->id)) {
- p->status = USB_RET_ASYNC;
- return;
- }
-
- if (dev->endpoint[EP2I(ep)].bulk_receiving_enabled) {
- if (size != 0 && (size % maxp) == 0) {
- usbredir_handle_buffered_bulk_in_data(dev, p, ep);
- return;
- }
- WARNING("bulk recv invalid size %zd ep %02x, disabling\n", size, ep);
- assert(dev->endpoint[EP2I(ep)].pending_async_packet == NULL);
- usbredir_stop_bulk_receiving(dev, ep);
- dev->endpoint[EP2I(ep)].bulk_receiving_enabled = 0;
- }
-
- DPRINTF("bulk-out ep %02X stream %u len %zd id %"PRIu64"\n",
- ep, p->stream, size, p->id);
-
- bulk_packet.endpoint = ep;
- bulk_packet.length = size;
- bulk_packet.stream_id = p->stream;
- bulk_packet.length_high = size >> 16;
- assert(bulk_packet.length_high == 0 ||
- usbredirparser_peer_has_cap(dev->parser,
- usb_redir_cap_32bits_bulk_length));
-
- if (ep & USB_DIR_IN) {
- usbredirparser_send_bulk_packet(dev->parser, p->id,
- &bulk_packet, NULL, 0);
- } else {
- uint8_t buf[size];
- usb_packet_copy(p, buf, size);
- usbredir_log_data(dev, "bulk data out:", buf, size);
- usbredirparser_send_bulk_packet(dev->parser, p->id,
- &bulk_packet, buf, size);
- }
- usbredirparser_do_write(dev->parser);
- p->status = USB_RET_ASYNC;
-}
-
-static void usbredir_handle_interrupt_in_data(USBRedirDevice *dev,
- USBPacket *p, uint8_t ep)
-{
- /* 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) {
- usbredir_handle_status(dev, p, status);
- } else {
- p->status = USB_RET_NAK;
- }
- return;
- }
- DPRINTF("interrupt-token-in ep %02X status %d len %d\n", ep,
- intp->status, intp->len);
-
- status = intp->status;
- len = intp->len;
- if (len > p->iov.size) {
- ERROR("received int data is larger then packet ep %02X\n", ep);
- len = p->iov.size;
- status = usb_redir_babble;
- }
- usb_packet_copy(p, intp->data, len);
- bufp_free(dev, intp, ep);
- usbredir_handle_status(dev, p, status);
-}
-
-/*
- * Handle interrupt out data, the usbredir protocol expects us to do this
- * async, so that it can report back a completion status. But guests will
- * expect immediate completion for an interrupt endpoint, and handling this
- * async causes migration issues. So we report success directly, counting
- * on the fact that output interrupt packets normally always succeed.
- */
-static void usbredir_handle_interrupt_out_data(USBRedirDevice *dev,
- USBPacket *p, uint8_t ep)
-{
- 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);
-
- 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);
-}
-
-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 void usbredir_handle_data(USBDevice *udev, USBPacket *p)
-{
- USBRedirDevice *dev = USB_REDIRECT(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);
- p->status = USB_RET_NAK;
- break;
- case USB_ENDPOINT_XFER_BULK:
- if (p->state == USB_PACKET_SETUP && p->pid == USB_TOKEN_IN &&
- p->ep->pipeline) {
- p->status = USB_RET_ADD_TO_QUEUE;
- break;
- }
- usbredir_handle_bulk_data(dev, p, ep);
- break;
- case USB_ENDPOINT_XFER_ISOC:
- usbredir_handle_iso_data(dev, p, ep);
- break;
- case USB_ENDPOINT_XFER_INT:
- if (ep & USB_DIR_IN) {
- usbredir_handle_interrupt_in_data(dev, p, ep);
- } else {
- usbredir_handle_interrupt_out_data(dev, p, ep);
- }
- break;
- default:
- ERROR("handle_data ep %02X has unknown type %d\n", ep,
- dev->endpoint[EP2I(ep)].type);
- p->status = USB_RET_NAK;
- }
-}
-
-static void usbredir_flush_ep_queue(USBDevice *dev, USBEndpoint *ep)
-{
- if (ep->pid == USB_TOKEN_IN && ep->pipeline) {
- usb_ep_combine_input_packets(ep);
- }
-}
-
-static void usbredir_stop_ep(USBRedirDevice *dev, int i)
-{
- uint8_t ep = I2EP(i);
-
- switch (dev->endpoint[i].type) {
- case USB_ENDPOINT_XFER_BULK:
- if (ep & USB_DIR_IN) {
- usbredir_stop_bulk_receiving(dev, ep);
- }
- break;
- case USB_ENDPOINT_XFER_ISOC:
- usbredir_stop_iso_stream(dev, ep);
- break;
- case USB_ENDPOINT_XFER_INT:
- if (ep & USB_DIR_IN) {
- usbredir_stop_interrupt_receiving(dev, ep);
- }
- break;
- }
- usbredir_free_bufpq(dev, ep);
-}
-
-static void usbredir_ep_stopped(USBDevice *udev, USBEndpoint *uep)
-{
- USBRedirDevice *dev = USB_REDIRECT(udev);
-
- usbredir_stop_ep(dev, USBEP2I(uep));
- usbredirparser_do_write(dev->parser);
-}
-
-static void 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++) {
- usbredir_stop_ep(dev, i);
- }
-
- set_config.configuration = config;
- usbredirparser_send_set_configuration(dev->parser, p->id, &set_config);
- usbredirparser_do_write(dev->parser);
- p->status = USB_RET_ASYNC;
-}
-
-static void 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);
- p->status = USB_RET_ASYNC;
-}
-
-static void 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) {
- usbredir_stop_ep(dev, 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);
- p->status = USB_RET_ASYNC;
-}
-
-static void 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);
- p->status = USB_RET_ASYNC;
-}
-
-static void usbredir_handle_control(USBDevice *udev, USBPacket *p,
- int request, int value, int index, int length, uint8_t *data)
-{
- USBRedirDevice *dev = USB_REDIRECT(udev);
- struct usb_redir_control_packet_header control_packet;
-
- if (usbredir_already_in_flight(dev, p->id)) {
- p->status = USB_RET_ASYNC;
- return;
- }
-
- /* 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;
- case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
- usbredir_set_config(dev, p, value & 0xff);
- return;
- case DeviceRequest | USB_REQ_GET_CONFIGURATION:
- usbredir_get_config(dev, p);
- return;
- case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
- usbredir_set_interface(dev, p, index, value);
- return;
- case InterfaceRequest | USB_REQ_GET_INTERFACE:
- usbredir_get_interface(dev, p, index);
- return;
- }
-
- /* 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);
- p->status = USB_RET_ASYNC;
-}
-
-static int usbredir_alloc_streams(USBDevice *udev, USBEndpoint **eps,
- int nr_eps, int streams)
-{
- USBRedirDevice *dev = USB_REDIRECT(udev);
-#if USBREDIR_VERSION >= 0x000700
- struct usb_redir_alloc_bulk_streams_header alloc_streams;
- int i;
-
- if (!usbredirparser_peer_has_cap(dev->parser,
- usb_redir_cap_bulk_streams)) {
- ERROR("peer does not support streams\n");
- goto reject;
- }
-
- if (streams == 0) {
- ERROR("request to allocate 0 streams\n");
- return -1;
- }
-
- alloc_streams.no_streams = streams;
- alloc_streams.endpoints = 0;
- for (i = 0; i < nr_eps; i++) {
- alloc_streams.endpoints |= 1 << USBEP2I(eps[i]);
- }
- usbredirparser_send_alloc_bulk_streams(dev->parser, 0, &alloc_streams);
- usbredirparser_do_write(dev->parser);
-
- return 0;
-#else
- ERROR("usbredir_alloc_streams not implemented\n");
- goto reject;
-#endif
-reject:
- ERROR("streams are not available, disconnecting\n");
- qemu_bh_schedule(dev->device_reject_bh);
- return -1;
-}
-
-static void usbredir_free_streams(USBDevice *udev, USBEndpoint **eps,
- int nr_eps)
-{
-#if USBREDIR_VERSION >= 0x000700
- USBRedirDevice *dev = USB_REDIRECT(udev);
- struct usb_redir_free_bulk_streams_header free_streams;
- int i;
-
- if (!usbredirparser_peer_has_cap(dev->parser,
- usb_redir_cap_bulk_streams)) {
- return;
- }
-
- free_streams.endpoints = 0;
- for (i = 0; i < nr_eps; i++) {
- free_streams.endpoints |= 1 << USBEP2I(eps[i]);
- }
- usbredirparser_send_free_bulk_streams(dev->parser, 0, &free_streams);
- usbredirparser_do_write(dev->parser);
-#endif
-}
-
-/*
- * 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;
-
- qemu_bh_cancel(dev->device_reject_bh);
- usbredir_device_disconnect(dev);
-
- if (dev->parser) {
- DPRINTF("destroying usbredirparser\n");
- usbredirparser_destroy(dev->parser);
- dev->parser = NULL;
- }
- if (dev->watch) {
- g_source_remove(dev->watch);
- dev->watch = 0;
- }
-}
-
-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->bulk_receiving_status_func = usbredir_bulk_receiving_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->parser->buffered_bulk_packet_func = usbredir_buffered_bulk_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);
- usbredirparser_caps_set_cap(caps, usb_redir_cap_32bits_bulk_length);
- usbredirparser_caps_set_cap(caps, usb_redir_cap_bulk_receiving);
-#if USBREDIR_VERSION >= 0x000700
- usbredirparser_caps_set_cap(caps, usb_redir_cap_bulk_streams);
-#endif
-
- 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);
- }
-}
-
-/*
- * We may need to reject the device when the hcd calls alloc_streams, doing
- * an usb_detach from within a hcd call is not a good idea, hence this bh.
- */
-static void usbredir_device_reject_bh(void *opaque)
-{
- USBRedirDevice *dev = opaque;
-
- usbredir_reject_device(dev);
-}
-
-static void usbredir_do_attach(void *opaque)
-{
- USBRedirDevice *dev = opaque;
- Error *local_err = NULL;
-
- /* 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_32bits_bulk_length) &&
- 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;
- }
-
- usb_device_attach(&dev->dev, &local_err);
- if (local_err) {
- error_report_err(local_err);
- WARNING("rejecting device due to speed mismatch\n");
- 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 void usbredir_init_endpoints(USBRedirDevice *dev)
-{
- int i;
-
- usb_ep_init(&dev->dev);
- memset(dev->endpoint, 0, sizeof(dev->endpoint));
- for (i = 0; i < MAX_ENDPOINTS; i++) {
- dev->endpoint[i].dev = dev;
- QTAILQ_INIT(&dev->endpoint[i].bufpq);
- }
-}
-
-static void usbredir_realize(USBDevice *udev, Error **errp)
-{
- USBRedirDevice *dev = USB_REDIRECT(udev);
- int i;
-
- if (dev->cs == NULL) {
- error_setg(errp, QERR_MISSING_PARAMETER, "chardev");
- return;
- }
-
- if (dev->filter_str) {
- i = usbredirfilter_string_to_rules(dev->filter_str, ":", "|",
- &dev->filter_rules,
- &dev->filter_rules_count);
- if (i) {
- error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "filter",
- "a usb device filter string");
- return;
- }
- }
-
- dev->chardev_close_bh = qemu_bh_new(usbredir_chardev_close_bh, dev);
- dev->device_reject_bh = qemu_bh_new(usbredir_device_reject_bh, dev);
- dev->attach_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL, usbredir_do_attach, dev);
-
- packet_id_queue_init(&dev->cancelled, dev, "cancelled");
- packet_id_queue_init(&dev->already_in_flight, dev, "already-in-flight");
- usbredir_init_endpoints(dev);
-
- /* We'll do the attach once we receive the speed from the usb-host */
- udev->auto_attach = 0;
-
- /* Will be cleared during setup when we find conflicts */
- dev->compatible_speedmask = USB_SPEED_MASK_FULL | USB_SPEED_MASK_HIGH;
-
- /* Let the backend know we are ready */
- 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);
-}
-
-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 = USB_REDIRECT(udev);
-
- qemu_chr_delete(dev->cs);
- dev->cs = NULL;
- /* Note must be done after qemu_chr_close, as that causes a close event */
- qemu_bh_delete(dev->chardev_close_bh);
- qemu_bh_delete(dev->device_reject_bh);
-
- timer_del(dev->attach_timer);
- timer_free(dev->attach_timer);
-
- usbredir_cleanup_device_queues(dev);
-
- if (dev->parser) {
- usbredirparser_destroy(dev->parser);
- }
- if (dev->watch) {
- g_source_remove(dev->watch);
- }
-
- 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;
-}
-
-static void usbredir_check_bulk_receiving(USBRedirDevice *dev)
-{
- int i, j, quirks;
-
- if (!usbredirparser_peer_has_cap(dev->parser,
- usb_redir_cap_bulk_receiving)) {
- return;
- }
-
- for (i = EP2I(USB_DIR_IN); i < MAX_ENDPOINTS; i++) {
- dev->endpoint[i].bulk_receiving_enabled = 0;
- }
- for (i = 0; i < dev->interface_info.interface_count; i++) {
- quirks = usb_get_quirks(dev->device_info.vendor_id,
- dev->device_info.product_id,
- dev->interface_info.interface_class[i],
- dev->interface_info.interface_subclass[i],
- dev->interface_info.interface_protocol[i]);
- if (!(quirks & USB_QUIRK_BUFFER_BULK_IN)) {
- continue;
- }
- if (quirks & USB_QUIRK_IS_FTDI) {
- dev->buffered_bulk_in_complete =
- usbredir_buffered_bulk_in_complete_ftdi;
- } else {
- dev->buffered_bulk_in_complete =
- usbredir_buffered_bulk_in_complete_raw;
- }
-
- for (j = EP2I(USB_DIR_IN); j < MAX_ENDPOINTS; j++) {
- if (dev->endpoint[j].interface ==
- dev->interface_info.interface[i] &&
- dev->endpoint[j].type == USB_ENDPOINT_XFER_BULK &&
- dev->endpoint[j].max_packet_size != 0) {
- dev->endpoint[j].bulk_receiving_enabled = 1;
- /*
- * With buffering pipelining is not necessary. Also packet
- * combining and bulk in buffering don't play nice together!
- */
- I2USBEP(dev, j)->pipeline = false;
- break; /* Only buffer for the first ep of each intf */
- }
- }
- }
-}
-
-/*
- * usbredirparser packet complete callbacks
- */
-
-static void usbredir_handle_status(USBRedirDevice *dev, USBPacket *p,
- int status)
-{
- switch (status) {
- case usb_redir_success:
- p->status = USB_RET_SUCCESS; /* Clear previous ASYNC status */
- break;
- case usb_redir_stall:
- p->status = USB_RET_STALL;
- break;
- 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.
- */
- p->status = USB_RET_IOERROR;
- break;
- case usb_redir_inval:
- WARNING("got invalid param error from usb-host?\n");
- p->status = USB_RET_IOERROR;
- break;
- case usb_redir_babble:
- p->status = USB_RET_BABBLE;
- break;
- case usb_redir_ioerror:
- case usb_redir_timeout:
- default:
- p->status = 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 (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;
- dev->compatible_speedmask &= ~USB_SPEED_MASK_FULL;
- dev->compatible_speedmask &= ~USB_SPEED_MASK_HIGH;
- break;
- case usb_redir_speed_full:
- speed = "full speed";
- dev->dev.speed = USB_SPEED_FULL;
- dev->compatible_speedmask &= ~USB_SPEED_MASK_HIGH;
- 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->compatible_speedmask;
- 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;
- }
-
- usbredir_check_bulk_receiving(dev);
- timer_mod(dev->attach_timer, dev->next_attach_time);
-}
-
-static void usbredir_device_disconnect(void *priv)
-{
- USBRedirDevice *dev = priv;
-
- /* Stop any pending attaches */
- timer_del(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_clock_get_ms(QEMU_CLOCK_VIRTUAL) + 200;
- }
-
- /* Reset state so that the next dev connected starts with a clean slate */
- usbredir_cleanup_device_queues(dev);
- usbredir_init_endpoints(dev);
- dev->interface_info.interface_count = NO_INTERFACE_INFO;
- dev->dev.addr = 0;
- dev->dev.speed = 0;
- dev->compatible_speedmask = USB_SPEED_MASK_FULL | USB_SPEED_MASK_HIGH;
-}
-
-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 interface dependent things.
- */
- if (timer_pending(dev->attach_timer) || dev->dev.attached) {
- usbredir_check_bulk_receiving(dev);
- if (usbredir_check_filter(dev)) {
- ERROR("Device no longer matches filter after interface info "
- "change, disconnecting!\n");
- }
- }
-}
-
-static void usbredir_mark_speed_incompatible(USBRedirDevice *dev, int speed)
-{
- dev->compatible_speedmask &= ~(1 << speed);
- dev->dev.speedmask = (1 << dev->dev.speed) | dev->compatible_speedmask;
-}
-
-static void usbredir_set_pipeline(USBRedirDevice *dev, struct USBEndpoint *uep)
-{
- if (uep->type != USB_ENDPOINT_XFER_BULK) {
- return;
- }
- if (uep->pid == USB_TOKEN_OUT) {
- uep->pipeline = true;
- }
- if (uep->pid == USB_TOKEN_IN && uep->max_packet_size != 0 &&
- usbredirparser_peer_has_cap(dev->parser,
- usb_redir_cap_32bits_bulk_length)) {
- uep->pipeline = true;
- }
-}
-
-static void usbredir_setup_usb_eps(USBRedirDevice *dev)
-{
- struct USBEndpoint *usb_ep;
- int i;
-
- for (i = 0; i < MAX_ENDPOINTS; i++) {
- usb_ep = I2USBEP(dev, i);
- 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;
- usb_ep->max_streams = dev->endpoint[i].max_streams;
- usbredir_set_pipeline(dev, usb_ep);
- }
-}
-
-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 (usbredirparser_peer_has_cap(dev->parser,
- usb_redir_cap_ep_info_max_packet_size)) {
- dev->endpoint[i].max_packet_size = ep_info->max_packet_size[i];
- }
-#if USBREDIR_VERSION >= 0x000700
- if (usbredirparser_peer_has_cap(dev->parser,
- usb_redir_cap_bulk_streams)) {
- dev->endpoint[i].max_streams = ep_info->max_streams[i];
- }
-#endif
- switch (dev->endpoint[i].type) {
- case usb_redir_type_invalid:
- break;
- case usb_redir_type_iso:
- usbredir_mark_speed_incompatible(dev, USB_SPEED_FULL);
- usbredir_mark_speed_incompatible(dev, USB_SPEED_HIGH);
- /* Fall through */
- case usb_redir_type_interrupt:
- if (!usbredirparser_peer_has_cap(dev->parser,
- usb_redir_cap_ep_info_max_packet_size) ||
- ep_info->max_packet_size[i] > 64) {
- usbredir_mark_speed_incompatible(dev, USB_SPEED_FULL);
- }
- if (!usbredirparser_peer_has_cap(dev->parser,
- usb_redir_cap_ep_info_max_packet_size) ||
- ep_info->max_packet_size[i] > 1024) {
- usbredir_mark_speed_incompatible(dev, USB_SPEED_HIGH);
- }
- if (dev->endpoint[i].interval == 0) {
- ERROR("Received 0 interval for isoc or irq endpoint\n");
- usbredir_reject_device(dev);
- return;
- }
- /* 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_reject_device(dev);
- return;
- }
- }
- /* The new ep info may have caused a speed incompatibility, recheck */
- if (dev->dev.attached &&
- !(dev->dev.port->speedmask & dev->dev.speedmask)) {
- ERROR("Device no longer matches speed after endpoint info change, "
- "disconnecting!\n");
- usbredir_reject_device(dev);
- return;
- }
- usbredir_setup_usb_eps(dev);
- usbredir_check_bulk_receiving(dev);
-}
-
-static void usbredir_configuration_status(void *priv, uint64_t id,
- struct usb_redir_configuration_status_header *config_status)
-{
- USBRedirDevice *dev = priv;
- USBPacket *p;
-
- 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;
- p->actual_length = 1;
- }
- usbredir_handle_status(dev, p, config_status->status);
- 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;
-
- 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;
- p->actual_length = 1;
- }
- usbredir_handle_status(dev, p, alt_setting_status->status);
- 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)
-{
-#if USBREDIR_VERSION >= 0x000700
- USBRedirDevice *dev = priv;
-
- if (bulk_streams_status->status == usb_redir_success) {
- DPRINTF("bulk streams status %d eps %08x\n",
- bulk_streams_status->status, bulk_streams_status->endpoints);
- } else {
- ERROR("bulk streams %s failed status %d eps %08x\n",
- (bulk_streams_status->no_streams == 0) ? "free" : "alloc",
- bulk_streams_status->status, bulk_streams_status->endpoints);
- ERROR("usb-redir-host does not provide streams, disconnecting\n");
- usbredir_reject_device(dev);
- }
-#endif
-}
-
-static void usbredir_bulk_receiving_status(void *priv, uint64_t id,
- struct usb_redir_bulk_receiving_status_header *bulk_receiving_status)
-{
- USBRedirDevice *dev = priv;
- uint8_t ep = bulk_receiving_status->endpoint;
-
- DPRINTF("bulk recv status %d ep %02X id %"PRIu64"\n",
- bulk_receiving_status->status, ep, id);
-
- if (!dev->dev.attached || !dev->endpoint[EP2I(ep)].bulk_receiving_started) {
- return;
- }
-
- if (bulk_receiving_status->status == usb_redir_stall) {
- DPRINTF("bulk receiving stopped by peer ep %02X\n", ep);
- dev->endpoint[EP2I(ep)].bulk_receiving_started = 0;
- }
-}
-
-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);
-
- /* Fix up USB-3 ep0 maxpacket size to allow superspeed connected devices
- * to work redirected to a not superspeed capable hcd */
- if (dev->dev.speed == USB_SPEED_SUPER &&
- !((dev->dev.port->speedmask & USB_SPEED_MASK_SUPER)) &&
- control_packet->requesttype == 0x80 &&
- control_packet->request == 6 &&
- control_packet->value == 0x100 && control_packet->index == 0 &&
- data_len >= 18 && data[7] == 9) {
- data[7] = 64;
- }
-
- p = usbredir_find_packet_by_id(dev, 0, id);
- if (p) {
- usbredir_handle_status(dev, p, control_packet->status);
- if (data_len > 0) {
- usbredir_log_data(dev, "ctrl data in:", data, data_len);
- if (data_len > sizeof(dev->dev.data_buf)) {
- ERROR("ctrl buffer too small (%d > %zu)\n",
- data_len, sizeof(dev->dev.data_buf));
- p->status = USB_RET_STALL;
- data_len = len = sizeof(dev->dev.data_buf);
- }
- memcpy(dev->dev.data_buf, data, data_len);
- }
- p->actual_length = 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_high << 16) | bulk_packet->length;
- USBPacket *p;
-
- DPRINTF("bulk-in status %d ep %02X stream %u len %d id %"PRIu64"\n",
- bulk_packet->status, ep, bulk_packet->stream_id, len, id);
-
- p = usbredir_find_packet_by_id(dev, ep, id);
- if (p) {
- size_t size = usb_packet_size(p);
- usbredir_handle_status(dev, p, bulk_packet->status);
- if (data_len > 0) {
- usbredir_log_data(dev, "bulk data in:", data, data_len);
- if (data_len > size) {
- ERROR("bulk got more data then requested (%d > %zd)\n",
- data_len, p->iov.size);
- p->status = USB_RET_BABBLE;
- data_len = len = size;
- }
- usb_packet_copy(p, data, data_len);
- }
- p->actual_length = len;
- if (p->pid == USB_TOKEN_IN && p->ep->pipeline) {
- usb_combined_input_packet_complete(&dev->dev, p);
- } else {
- 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, data);
-}
-
-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;
- }
-
- if (QTAILQ_EMPTY(&dev->endpoint[EP2I(ep)].bufpq)) {
- usb_wakeup(usb_ep_get(&dev->dev, USB_TOKEN_IN, ep & 0x0f), 0);
- }
-
- /* bufp_alloc also adds the packet to the ep queue */
- bufp_alloc(dev, data, data_len, interrupt_packet->status, ep, data);
- } else {
- /*
- * We report output interrupt packets as completed directly upon
- * submission, so all we can do here if one failed is warn.
- */
- if (interrupt_packet->status) {
- WARNING("interrupt output failed status %d ep %02X id %"PRIu64"\n",
- interrupt_packet->status, ep, id);
- }
- }
-}
-
-static void usbredir_buffered_bulk_packet(void *priv, uint64_t id,
- struct usb_redir_buffered_bulk_packet_header *buffered_bulk_packet,
- uint8_t *data, int data_len)
-{
- USBRedirDevice *dev = priv;
- uint8_t status, ep = buffered_bulk_packet->endpoint;
- void *free_on_destroy;
- int i, len;
-
- DPRINTF("buffered-bulk-in status %d ep %02X len %d id %"PRIu64"\n",
- buffered_bulk_packet->status, ep, data_len, id);
-
- if (dev->endpoint[EP2I(ep)].type != USB_ENDPOINT_XFER_BULK) {
- ERROR("received buffered-bulk packet for non bulk ep %02X\n", ep);
- free(data);
- return;
- }
-
- if (dev->endpoint[EP2I(ep)].bulk_receiving_started == 0) {
- DPRINTF("received buffered-bulk packet on not started ep %02X\n", ep);
- free(data);
- return;
- }
-
- /* Data must be in maxp chunks for buffered_bulk_add_*_data_to_packet */
- len = dev->endpoint[EP2I(ep)].max_packet_size;
- status = usb_redir_success;
- free_on_destroy = NULL;
- for (i = 0; i < data_len; i += len) {
- int r;
- if (len >= (data_len - i)) {
- len = data_len - i;
- status = buffered_bulk_packet->status;
- free_on_destroy = data;
- }
- /* bufp_alloc also adds the packet to the ep queue */
- r = bufp_alloc(dev, data + i, len, status, ep, free_on_destroy);
- if (r) {
- break;
- }
- }
-
- if (dev->endpoint[EP2I(ep)].pending_async_packet) {
- USBPacket *p = dev->endpoint[EP2I(ep)].pending_async_packet;
- dev->endpoint[EP2I(ep)].pending_async_packet = NULL;
- usbredir_buffered_bulk_in_complete(dev, p, ep);
- 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;
-
- if (dev->parser == NULL) {
- return 0;
- }
-
- 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);
-
- usbredir_setup_usb_eps(dev);
- usbredir_check_bulk_receiving(dev);
-
- 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;
- USBRedirDevice *dev = endp->dev;
- struct buf_packet *bufp;
- int len, i = 0;
-
- qemu_put_be32(f, endp->bufpq_size);
- QTAILQ_FOREACH(bufp, &endp->bufpq, next) {
- len = bufp->len - bufp->offset;
- DPRINTF("put_bufpq %d/%d len %d status %d\n", i + 1, endp->bufpq_size,
- len, bufp->status);
- qemu_put_be32(f, len);
- qemu_put_be32(f, bufp->status);
- qemu_put_buffer(f, bufp->data + bufp->offset, len);
- i++;
- }
- assert(i == endp->bufpq_size);
-}
-
-static int usbredir_get_bufpq(QEMUFile *f, void *priv, size_t unused)
-{
- struct endp_data *endp = priv;
- USBRedirDevice *dev = endp->dev;
- struct buf_packet *bufp;
- int i;
-
- endp->bufpq_size = qemu_get_be32(f);
- for (i = 0; i < endp->bufpq_size; i++) {
- bufp = g_new(struct buf_packet, 1);
- bufp->len = qemu_get_be32(f);
- bufp->status = qemu_get_be32(f);
- bufp->offset = 0;
- bufp->data = qemu_oom_check(malloc(bufp->len)); /* regular malloc! */
- bufp->free_on_destroy = bufp->data;
- qemu_get_buffer(f, bufp->data, bufp->len);
- QTAILQ_INSERT_TAIL(&endp->bufpq, bufp, next);
- DPRINTF("get_bufpq %d/%d len %d status %d\n", i + 1, endp->bufpq_size,
- bufp->len, bufp->status);
- }
- 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 bool usbredir_bulk_receiving_needed(void *priv)
-{
- struct endp_data *endp = priv;
-
- return endp->bulk_receiving_started;
-}
-
-static const VMStateDescription usbredir_bulk_receiving_vmstate = {
- .name = "usb-redir-ep/bulk-receiving",
- .version_id = 1,
- .minimum_version_id = 1,
- .needed = usbredir_bulk_receiving_needed,
- .fields = (VMStateField[]) {
- VMSTATE_UINT8(bulk_receiving_started, struct endp_data),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static bool usbredir_stream_needed(void *priv)
-{
- struct endp_data *endp = priv;
-
- return endp->max_streams;
-}
-
-static const VMStateDescription usbredir_stream_vmstate = {
- .name = "usb-redir-ep/stream-state",
- .version_id = 1,
- .minimum_version_id = 1,
- .needed = usbredir_stream_needed,
- .fields = (VMStateField[]) {
- VMSTATE_UINT32(max_streams, struct endp_data),
- VMSTATE_END_OF_LIST()
- }
-};
-
-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()
- },
- .subsections = (const VMStateDescription*[]) {
- &usbredir_bulk_receiving_vmstate,
- &usbredir_stream_vmstate,
- NULL
- }
-};
-
-
-/* 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_PTR(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, usbredirparser_warning),
- DEFINE_PROP_STRING("filter", USBRedirDevice, filter_str),
- 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->realize = usbredir_realize;
- 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;
- uc->flush_ep_queue = usbredir_flush_ep_queue;
- uc->ep_stopped = usbredir_ep_stopped;
- uc->alloc_streams = usbredir_alloc_streams;
- uc->free_streams = usbredir_free_streams;
- dc->vmsd = &usbredir_vmstate;
- dc->props = usbredir_properties;
- set_bit(DEVICE_CATEGORY_MISC, dc->categories);
-}
-
-static void usbredir_instance_init(Object *obj)
-{
- USBDevice *udev = USB_DEVICE(obj);
- USBRedirDevice *dev = USB_REDIRECT(udev);
-
- device_add_bootindex_property(obj, &dev->bootindex,
- "bootindex", NULL,
- &udev->qdev, NULL);
-}
-
-static const TypeInfo usbredir_dev_info = {
- .name = TYPE_USB_REDIR,
- .parent = TYPE_USB_DEVICE,
- .instance_size = sizeof(USBRedirDevice),
- .class_init = usbredir_class_initfn,
- .instance_init = usbredir_instance_init,
-};
-
-static void usbredir_register_types(void)
-{
- type_register_static(&usbredir_dev_info);
-}
-
-type_init(usbredir_register_types)