root / hw / usb / redirect.c @ c874ea97
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/*
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* USB redirector usb-guest
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*
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* Copyright (c) 2011-2012 Red Hat, Inc.
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*
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* Red Hat Authors:
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* Hans de Goede <hdegoede@redhat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu-common.h" |
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#include "qemu/timer.h" |
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#include "monitor/monitor.h" |
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#include "sysemu/sysemu.h" |
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#include "qemu/iov.h" |
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#include "char/char.h" |
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|
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#include <dirent.h> |
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#include <sys/ioctl.h> |
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#include <signal.h> |
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#include <usbredirparser.h> |
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#include <usbredirfilter.h> |
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|
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#include "hw/usb.h" |
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|
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#define MAX_ENDPOINTS 32 |
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#define NO_INTERFACE_INFO 255 /* Valid interface_count always <= 32 */ |
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#define EP2I(ep_address) (((ep_address & 0x80) >> 3) | (ep_address & 0x0f)) |
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#define I2EP(i) (((i & 0x10) << 3) | (i & 0x0f)) |
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#define USBEP2I(usb_ep) (((usb_ep)->pid == USB_TOKEN_IN) ? \
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((usb_ep)->nr | 0x10) : ((usb_ep)->nr))
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#define I2USBEP(d, i) (usb_ep_get(&(d)->dev, \
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((i) & 0x10) ? USB_TOKEN_IN : USB_TOKEN_OUT, \
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(i) & 0x0f))
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|
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typedef struct USBRedirDevice USBRedirDevice; |
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|
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/* Struct to hold buffered packets */
|
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struct buf_packet {
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uint8_t *data; |
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void *free_on_destroy;
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uint16_t len; |
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uint16_t offset; |
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uint8_t status; |
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QTAILQ_ENTRY(buf_packet)next; |
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}; |
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|
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struct endp_data {
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USBRedirDevice *dev; |
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uint8_t type; |
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uint8_t interval; |
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uint8_t interface; /* bInterfaceNumber this ep belongs to */
|
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uint16_t max_packet_size; /* In bytes, not wMaxPacketSize format !! */
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uint8_t iso_started; |
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uint8_t iso_error; /* For reporting iso errors to the HC */
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uint8_t interrupt_started; |
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uint8_t interrupt_error; |
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uint8_t bulk_receiving_enabled; |
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uint8_t bulk_receiving_started; |
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uint8_t bufpq_prefilled; |
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uint8_t bufpq_dropping_packets; |
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QTAILQ_HEAD(, buf_packet) bufpq; |
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int32_t bufpq_size; |
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int32_t bufpq_target_size; |
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USBPacket *pending_async_packet; |
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}; |
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|
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struct PacketIdQueueEntry {
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uint64_t id; |
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QTAILQ_ENTRY(PacketIdQueueEntry)next; |
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}; |
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|
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struct PacketIdQueue {
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USBRedirDevice *dev; |
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const char *name; |
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QTAILQ_HEAD(, PacketIdQueueEntry) head; |
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int size;
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}; |
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|
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struct USBRedirDevice {
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USBDevice dev; |
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/* Properties */
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CharDriverState *cs; |
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uint8_t debug; |
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char *filter_str;
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int32_t bootindex; |
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/* Data passed from chardev the fd_read cb to the usbredirparser read cb */
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const uint8_t *read_buf;
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int read_buf_size;
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/* Active chardev-watch-tag */
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guint watch; |
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/* For async handling of close */
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QEMUBH *chardev_close_bh; |
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/* To delay the usb attach in case of quick chardev close + open */
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QEMUTimer *attach_timer; |
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int64_t next_attach_time; |
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struct usbredirparser *parser;
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struct endp_data endpoint[MAX_ENDPOINTS];
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struct PacketIdQueue cancelled;
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struct PacketIdQueue already_in_flight;
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void (*buffered_bulk_in_complete)(USBRedirDevice *, USBPacket *, uint8_t);
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/* Data for device filtering */
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struct usb_redir_device_connect_header device_info;
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struct usb_redir_interface_info_header interface_info;
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struct usbredirfilter_rule *filter_rules;
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int filter_rules_count;
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int compatible_speedmask;
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}; |
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|
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static void usbredir_hello(void *priv, struct usb_redir_hello_header *h); |
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static void usbredir_device_connect(void *priv, |
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struct usb_redir_device_connect_header *device_connect);
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static void usbredir_device_disconnect(void *priv); |
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static void usbredir_interface_info(void *priv, |
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struct usb_redir_interface_info_header *interface_info);
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static void usbredir_ep_info(void *priv, |
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struct usb_redir_ep_info_header *ep_info);
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static void usbredir_configuration_status(void *priv, uint64_t id, |
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struct usb_redir_configuration_status_header *configuration_status);
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static void usbredir_alt_setting_status(void *priv, uint64_t id, |
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struct usb_redir_alt_setting_status_header *alt_setting_status);
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static void usbredir_iso_stream_status(void *priv, uint64_t id, |
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struct usb_redir_iso_stream_status_header *iso_stream_status);
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static void usbredir_interrupt_receiving_status(void *priv, uint64_t id, |
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struct usb_redir_interrupt_receiving_status_header
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*interrupt_receiving_status); |
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static void usbredir_bulk_streams_status(void *priv, uint64_t id, |
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struct usb_redir_bulk_streams_status_header *bulk_streams_status);
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static void usbredir_bulk_receiving_status(void *priv, uint64_t id, |
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struct usb_redir_bulk_receiving_status_header *bulk_receiving_status);
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static void usbredir_control_packet(void *priv, uint64_t id, |
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struct usb_redir_control_packet_header *control_packet,
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uint8_t *data, int data_len);
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static void usbredir_bulk_packet(void *priv, uint64_t id, |
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struct usb_redir_bulk_packet_header *bulk_packet,
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uint8_t *data, int data_len);
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static void usbredir_iso_packet(void *priv, uint64_t id, |
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struct usb_redir_iso_packet_header *iso_packet,
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uint8_t *data, int data_len);
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static void usbredir_interrupt_packet(void *priv, uint64_t id, |
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struct usb_redir_interrupt_packet_header *interrupt_header,
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uint8_t *data, int data_len);
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static void usbredir_buffered_bulk_packet(void *priv, uint64_t id, |
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struct usb_redir_buffered_bulk_packet_header *buffered_bulk_packet,
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uint8_t *data, int data_len);
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static void usbredir_handle_status(USBRedirDevice *dev, USBPacket *p, |
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int status);
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#define VERSION "qemu usb-redir guest " QEMU_VERSION |
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/*
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* Logging stuff
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*/
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#define ERROR(...) \
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do { \
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if (dev->debug >= usbredirparser_error) { \
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error_report("usb-redir error: " __VA_ARGS__); \
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} \ |
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} while (0) |
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#define WARNING(...) \
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do { \
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if (dev->debug >= usbredirparser_warning) { \
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error_report("usb-redir warning: " __VA_ARGS__); \
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} \ |
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} while (0) |
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#define INFO(...) \
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do { \
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if (dev->debug >= usbredirparser_info) { \
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error_report("usb-redir: " __VA_ARGS__); \
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} \ |
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} while (0) |
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#define DPRINTF(...) \
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do { \
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if (dev->debug >= usbredirparser_debug) { \
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error_report("usb-redir: " __VA_ARGS__); \
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} \ |
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} while (0) |
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#define DPRINTF2(...) \
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do { \
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if (dev->debug >= usbredirparser_debug_data) { \
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error_report("usb-redir: " __VA_ARGS__); \
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} \ |
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} while (0) |
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static void usbredir_log(void *priv, int level, const char *msg) |
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{
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USBRedirDevice *dev = priv; |
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if (dev->debug < level) {
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return;
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} |
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error_report("%s", msg);
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} |
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static void usbredir_log_data(USBRedirDevice *dev, const char *desc, |
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const uint8_t *data, int len) |
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{
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int i, j, n;
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|
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if (dev->debug < usbredirparser_debug_data) {
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return;
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} |
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for (i = 0; i < len; i += j) { |
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char buf[128]; |
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n = sprintf(buf, "%s", desc);
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for (j = 0; j < 8 && i + j < len; j++) { |
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n += sprintf(buf + n, " %02X", data[i + j]);
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} |
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error_report("%s", buf);
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} |
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} |
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|
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/*
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* usbredirparser io functions
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*/
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|
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static int usbredir_read(void *priv, uint8_t *data, int count) |
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{
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USBRedirDevice *dev = priv; |
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|
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if (dev->read_buf_size < count) {
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count = dev->read_buf_size; |
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} |
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memcpy(data, dev->read_buf, count); |
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dev->read_buf_size -= count; |
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if (dev->read_buf_size) {
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dev->read_buf += count; |
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} else {
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dev->read_buf = NULL;
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} |
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return count;
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} |
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static gboolean usbredir_write_unblocked(GIOChannel *chan, GIOCondition cond,
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void *opaque)
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{
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USBRedirDevice *dev = opaque; |
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dev->watch = 0;
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usbredirparser_do_write(dev->parser); |
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return FALSE;
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} |
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static int usbredir_write(void *priv, uint8_t *data, int count) |
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{
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USBRedirDevice *dev = priv; |
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int r;
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if (!dev->cs->be_open) {
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return 0; |
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} |
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/* Don't send new data to the chardev until our state is fully synced */
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if (!runstate_check(RUN_STATE_RUNNING)) {
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return 0; |
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} |
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|
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r = qemu_chr_fe_write(dev->cs, data, count); |
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if (r < count) {
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if (!dev->watch) {
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dev->watch = qemu_chr_fe_add_watch(dev->cs, G_IO_OUT, |
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usbredir_write_unblocked, dev); |
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} |
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if (r < 0) { |
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r = 0;
|
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} |
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} |
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return r;
|
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} |
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|
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/*
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* Cancelled and buffered packets helpers
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*/
|
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|
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static void packet_id_queue_init(struct PacketIdQueue *q, |
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USBRedirDevice *dev, const char *name) |
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{
|
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q->dev = dev; |
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q->name = name; |
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QTAILQ_INIT(&q->head); |
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q->size = 0;
|
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} |
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|
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static void packet_id_queue_add(struct PacketIdQueue *q, uint64_t id) |
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{
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USBRedirDevice *dev = q->dev; |
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struct PacketIdQueueEntry *e;
|
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|
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DPRINTF("adding packet id %"PRIu64" to %s queue\n", id, q->name); |
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|
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e = g_malloc0(sizeof(struct PacketIdQueueEntry)); |
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e->id = id; |
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QTAILQ_INSERT_TAIL(&q->head, e, next); |
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q->size++; |
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} |
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|
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static int packet_id_queue_remove(struct PacketIdQueue *q, uint64_t id) |
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{
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USBRedirDevice *dev = q->dev; |
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struct PacketIdQueueEntry *e;
|
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|
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QTAILQ_FOREACH(e, &q->head, next) {
|
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if (e->id == id) {
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DPRINTF("removing packet id %"PRIu64" from %s queue\n", |
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id, q->name); |
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QTAILQ_REMOVE(&q->head, e, next); |
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q->size--; |
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g_free(e); |
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return 1; |
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} |
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} |
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return 0; |
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} |
| 340 |
|
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static void packet_id_queue_empty(struct PacketIdQueue *q) |
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{
|
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USBRedirDevice *dev = q->dev; |
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struct PacketIdQueueEntry *e, *next_e;
|
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|
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DPRINTF("removing %d packet-ids from %s queue\n", q->size, q->name);
|
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|
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QTAILQ_FOREACH_SAFE(e, &q->head, next, next_e) {
|
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QTAILQ_REMOVE(&q->head, e, next); |
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g_free(e); |
| 351 |
} |
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q->size = 0;
|
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} |
| 354 |
|
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static void usbredir_cancel_packet(USBDevice *udev, USBPacket *p) |
| 356 |
{
|
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USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev); |
| 358 |
int i = USBEP2I(p->ep);
|
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|
| 360 |
if (p->combined) {
|
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usb_combined_packet_cancel(udev, p); |
| 362 |
return;
|
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} |
| 364 |
|
| 365 |
if (dev->endpoint[i].pending_async_packet) {
|
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assert(dev->endpoint[i].pending_async_packet == p); |
| 367 |
dev->endpoint[i].pending_async_packet = NULL;
|
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return;
|
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} |
| 370 |
|
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packet_id_queue_add(&dev->cancelled, p->id); |
| 372 |
usbredirparser_send_cancel_data_packet(dev->parser, p->id); |
| 373 |
usbredirparser_do_write(dev->parser); |
| 374 |
} |
| 375 |
|
| 376 |
static int usbredir_is_cancelled(USBRedirDevice *dev, uint64_t id) |
| 377 |
{
|
| 378 |
if (!dev->dev.attached) {
|
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return 1; /* Treat everything as cancelled after a disconnect */ |
| 380 |
} |
| 381 |
return packet_id_queue_remove(&dev->cancelled, id);
|
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} |
| 383 |
|
| 384 |
static void usbredir_fill_already_in_flight_from_ep(USBRedirDevice *dev, |
| 385 |
struct USBEndpoint *ep)
|
| 386 |
{
|
| 387 |
static USBPacket *p;
|
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|
| 389 |
/* async handled packets for bulk receiving eps do not count as inflight */
|
| 390 |
if (dev->endpoint[USBEP2I(ep)].bulk_receiving_started) {
|
| 391 |
return;
|
| 392 |
} |
| 393 |
|
| 394 |
QTAILQ_FOREACH(p, &ep->queue, queue) {
|
| 395 |
/* Skip combined packets, except for the first */
|
| 396 |
if (p->combined && p != p->combined->first) {
|
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continue;
|
| 398 |
} |
| 399 |
if (p->state == USB_PACKET_ASYNC) {
|
| 400 |
packet_id_queue_add(&dev->already_in_flight, p->id); |
| 401 |
} |
| 402 |
} |
| 403 |
} |
| 404 |
|
| 405 |
static void usbredir_fill_already_in_flight(USBRedirDevice *dev) |
| 406 |
{
|
| 407 |
int ep;
|
| 408 |
struct USBDevice *udev = &dev->dev;
|
| 409 |
|
| 410 |
usbredir_fill_already_in_flight_from_ep(dev, &udev->ep_ctl); |
| 411 |
|
| 412 |
for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { |
| 413 |
usbredir_fill_already_in_flight_from_ep(dev, &udev->ep_in[ep]); |
| 414 |
usbredir_fill_already_in_flight_from_ep(dev, &udev->ep_out[ep]); |
| 415 |
} |
| 416 |
} |
| 417 |
|
| 418 |
static int usbredir_already_in_flight(USBRedirDevice *dev, uint64_t id) |
| 419 |
{
|
| 420 |
return packet_id_queue_remove(&dev->already_in_flight, id);
|
| 421 |
} |
| 422 |
|
| 423 |
static USBPacket *usbredir_find_packet_by_id(USBRedirDevice *dev,
|
| 424 |
uint8_t ep, uint64_t id) |
| 425 |
{
|
| 426 |
USBPacket *p; |
| 427 |
|
| 428 |
if (usbredir_is_cancelled(dev, id)) {
|
| 429 |
return NULL; |
| 430 |
} |
| 431 |
|
| 432 |
p = usb_ep_find_packet_by_id(&dev->dev, |
| 433 |
(ep & USB_DIR_IN) ? USB_TOKEN_IN : USB_TOKEN_OUT, |
| 434 |
ep & 0x0f, id);
|
| 435 |
if (p == NULL) { |
| 436 |
ERROR("could not find packet with id %"PRIu64"\n", id); |
| 437 |
} |
| 438 |
return p;
|
| 439 |
} |
| 440 |
|
| 441 |
static void bufp_alloc(USBRedirDevice *dev, uint8_t *data, uint16_t len, |
| 442 |
uint8_t status, uint8_t ep, void *free_on_destroy)
|
| 443 |
{
|
| 444 |
struct buf_packet *bufp;
|
| 445 |
|
| 446 |
if (!dev->endpoint[EP2I(ep)].bufpq_dropping_packets &&
|
| 447 |
dev->endpoint[EP2I(ep)].bufpq_size > |
| 448 |
2 * dev->endpoint[EP2I(ep)].bufpq_target_size) {
|
| 449 |
DPRINTF("bufpq overflow, dropping packets ep %02X\n", ep);
|
| 450 |
dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 1;
|
| 451 |
} |
| 452 |
/* Since we're interupting the stream anyways, drop enough packets to get
|
| 453 |
back to our target buffer size */
|
| 454 |
if (dev->endpoint[EP2I(ep)].bufpq_dropping_packets) {
|
| 455 |
if (dev->endpoint[EP2I(ep)].bufpq_size >
|
| 456 |
dev->endpoint[EP2I(ep)].bufpq_target_size) {
|
| 457 |
free(data); |
| 458 |
return;
|
| 459 |
} |
| 460 |
dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0;
|
| 461 |
} |
| 462 |
|
| 463 |
bufp = g_malloc(sizeof(struct buf_packet)); |
| 464 |
bufp->data = data; |
| 465 |
bufp->len = len; |
| 466 |
bufp->offset = 0;
|
| 467 |
bufp->status = status; |
| 468 |
bufp->free_on_destroy = free_on_destroy; |
| 469 |
QTAILQ_INSERT_TAIL(&dev->endpoint[EP2I(ep)].bufpq, bufp, next); |
| 470 |
dev->endpoint[EP2I(ep)].bufpq_size++; |
| 471 |
} |
| 472 |
|
| 473 |
static void bufp_free(USBRedirDevice *dev, struct buf_packet *bufp, |
| 474 |
uint8_t ep) |
| 475 |
{
|
| 476 |
QTAILQ_REMOVE(&dev->endpoint[EP2I(ep)].bufpq, bufp, next); |
| 477 |
dev->endpoint[EP2I(ep)].bufpq_size--; |
| 478 |
free(bufp->free_on_destroy); |
| 479 |
g_free(bufp); |
| 480 |
} |
| 481 |
|
| 482 |
static void usbredir_free_bufpq(USBRedirDevice *dev, uint8_t ep) |
| 483 |
{
|
| 484 |
struct buf_packet *buf, *buf_next;
|
| 485 |
|
| 486 |
QTAILQ_FOREACH_SAFE(buf, &dev->endpoint[EP2I(ep)].bufpq, next, buf_next) {
|
| 487 |
bufp_free(dev, buf, ep); |
| 488 |
} |
| 489 |
} |
| 490 |
|
| 491 |
/*
|
| 492 |
* USBDevice callbacks
|
| 493 |
*/
|
| 494 |
|
| 495 |
static void usbredir_handle_reset(USBDevice *udev) |
| 496 |
{
|
| 497 |
USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev); |
| 498 |
|
| 499 |
DPRINTF("reset device\n");
|
| 500 |
usbredirparser_send_reset(dev->parser); |
| 501 |
usbredirparser_do_write(dev->parser); |
| 502 |
} |
| 503 |
|
| 504 |
static void usbredir_handle_iso_data(USBRedirDevice *dev, USBPacket *p, |
| 505 |
uint8_t ep) |
| 506 |
{
|
| 507 |
int status, len;
|
| 508 |
if (!dev->endpoint[EP2I(ep)].iso_started &&
|
| 509 |
!dev->endpoint[EP2I(ep)].iso_error) {
|
| 510 |
struct usb_redir_start_iso_stream_header start_iso = {
|
| 511 |
.endpoint = ep, |
| 512 |
}; |
| 513 |
int pkts_per_sec;
|
| 514 |
|
| 515 |
if (dev->dev.speed == USB_SPEED_HIGH) {
|
| 516 |
pkts_per_sec = 8000 / dev->endpoint[EP2I(ep)].interval;
|
| 517 |
} else {
|
| 518 |
pkts_per_sec = 1000 / dev->endpoint[EP2I(ep)].interval;
|
| 519 |
} |
| 520 |
/* Testing has shown that we need circa 60 ms buffer */
|
| 521 |
dev->endpoint[EP2I(ep)].bufpq_target_size = (pkts_per_sec * 60) / 1000; |
| 522 |
|
| 523 |
/* Aim for approx 100 interrupts / second on the client to
|
| 524 |
balance latency and interrupt load */
|
| 525 |
start_iso.pkts_per_urb = pkts_per_sec / 100;
|
| 526 |
if (start_iso.pkts_per_urb < 1) { |
| 527 |
start_iso.pkts_per_urb = 1;
|
| 528 |
} else if (start_iso.pkts_per_urb > 32) { |
| 529 |
start_iso.pkts_per_urb = 32;
|
| 530 |
} |
| 531 |
|
| 532 |
start_iso.no_urbs = (dev->endpoint[EP2I(ep)].bufpq_target_size + |
| 533 |
start_iso.pkts_per_urb - 1) /
|
| 534 |
start_iso.pkts_per_urb; |
| 535 |
/* Output endpoints pre-fill only 1/2 of the packets, keeping the rest
|
| 536 |
as overflow buffer. Also see the usbredir protocol documentation */
|
| 537 |
if (!(ep & USB_DIR_IN)) {
|
| 538 |
start_iso.no_urbs *= 2;
|
| 539 |
} |
| 540 |
if (start_iso.no_urbs > 16) { |
| 541 |
start_iso.no_urbs = 16;
|
| 542 |
} |
| 543 |
|
| 544 |
/* No id, we look at the ep when receiving a status back */
|
| 545 |
usbredirparser_send_start_iso_stream(dev->parser, 0, &start_iso);
|
| 546 |
usbredirparser_do_write(dev->parser); |
| 547 |
DPRINTF("iso stream started pkts/sec %d pkts/urb %d urbs %d ep %02X\n",
|
| 548 |
pkts_per_sec, start_iso.pkts_per_urb, start_iso.no_urbs, ep); |
| 549 |
dev->endpoint[EP2I(ep)].iso_started = 1;
|
| 550 |
dev->endpoint[EP2I(ep)].bufpq_prefilled = 0;
|
| 551 |
dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0;
|
| 552 |
} |
| 553 |
|
| 554 |
if (ep & USB_DIR_IN) {
|
| 555 |
struct buf_packet *isop;
|
| 556 |
|
| 557 |
if (dev->endpoint[EP2I(ep)].iso_started &&
|
| 558 |
!dev->endpoint[EP2I(ep)].bufpq_prefilled) {
|
| 559 |
if (dev->endpoint[EP2I(ep)].bufpq_size <
|
| 560 |
dev->endpoint[EP2I(ep)].bufpq_target_size) {
|
| 561 |
return;
|
| 562 |
} |
| 563 |
dev->endpoint[EP2I(ep)].bufpq_prefilled = 1;
|
| 564 |
} |
| 565 |
|
| 566 |
isop = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq); |
| 567 |
if (isop == NULL) { |
| 568 |
DPRINTF("iso-token-in ep %02X, no isop, iso_error: %d\n",
|
| 569 |
ep, dev->endpoint[EP2I(ep)].iso_error); |
| 570 |
/* Re-fill the buffer */
|
| 571 |
dev->endpoint[EP2I(ep)].bufpq_prefilled = 0;
|
| 572 |
/* Check iso_error for stream errors, otherwise its an underrun */
|
| 573 |
status = dev->endpoint[EP2I(ep)].iso_error; |
| 574 |
dev->endpoint[EP2I(ep)].iso_error = 0;
|
| 575 |
p->status = status ? USB_RET_IOERROR : USB_RET_SUCCESS; |
| 576 |
return;
|
| 577 |
} |
| 578 |
DPRINTF2("iso-token-in ep %02X status %d len %d queue-size: %d\n", ep,
|
| 579 |
isop->status, isop->len, dev->endpoint[EP2I(ep)].bufpq_size); |
| 580 |
|
| 581 |
status = isop->status; |
| 582 |
len = isop->len; |
| 583 |
if (len > p->iov.size) {
|
| 584 |
ERROR("received iso data is larger then packet ep %02X (%d > %d)\n",
|
| 585 |
ep, len, (int)p->iov.size);
|
| 586 |
len = p->iov.size; |
| 587 |
status = usb_redir_babble; |
| 588 |
} |
| 589 |
usb_packet_copy(p, isop->data, len); |
| 590 |
bufp_free(dev, isop, ep); |
| 591 |
usbredir_handle_status(dev, p, status); |
| 592 |
} else {
|
| 593 |
/* If the stream was not started because of a pending error don't
|
| 594 |
send the packet to the usb-host */
|
| 595 |
if (dev->endpoint[EP2I(ep)].iso_started) {
|
| 596 |
struct usb_redir_iso_packet_header iso_packet = {
|
| 597 |
.endpoint = ep, |
| 598 |
.length = p->iov.size |
| 599 |
}; |
| 600 |
uint8_t buf[p->iov.size]; |
| 601 |
/* No id, we look at the ep when receiving a status back */
|
| 602 |
usb_packet_copy(p, buf, p->iov.size); |
| 603 |
usbredirparser_send_iso_packet(dev->parser, 0, &iso_packet,
|
| 604 |
buf, p->iov.size); |
| 605 |
usbredirparser_do_write(dev->parser); |
| 606 |
} |
| 607 |
status = dev->endpoint[EP2I(ep)].iso_error; |
| 608 |
dev->endpoint[EP2I(ep)].iso_error = 0;
|
| 609 |
DPRINTF2("iso-token-out ep %02X status %d len %zd\n", ep, status,
|
| 610 |
p->iov.size); |
| 611 |
usbredir_handle_status(dev, p, status); |
| 612 |
} |
| 613 |
} |
| 614 |
|
| 615 |
static void usbredir_stop_iso_stream(USBRedirDevice *dev, uint8_t ep) |
| 616 |
{
|
| 617 |
struct usb_redir_stop_iso_stream_header stop_iso_stream = {
|
| 618 |
.endpoint = ep |
| 619 |
}; |
| 620 |
if (dev->endpoint[EP2I(ep)].iso_started) {
|
| 621 |
usbredirparser_send_stop_iso_stream(dev->parser, 0, &stop_iso_stream);
|
| 622 |
DPRINTF("iso stream stopped ep %02X\n", ep);
|
| 623 |
dev->endpoint[EP2I(ep)].iso_started = 0;
|
| 624 |
} |
| 625 |
dev->endpoint[EP2I(ep)].iso_error = 0;
|
| 626 |
usbredir_free_bufpq(dev, ep); |
| 627 |
} |
| 628 |
|
| 629 |
/*
|
| 630 |
* The usb-host may poll the endpoint faster then our guest, resulting in lots
|
| 631 |
* of smaller bulkp-s. The below buffered_bulk_in_complete* functions combine
|
| 632 |
* data from multiple bulkp-s into a single packet, avoiding bufpq overflows.
|
| 633 |
*/
|
| 634 |
static void usbredir_buffered_bulk_add_data_to_packet(USBRedirDevice *dev, |
| 635 |
struct buf_packet *bulkp, int count, USBPacket *p, uint8_t ep) |
| 636 |
{
|
| 637 |
usb_packet_copy(p, bulkp->data + bulkp->offset, count); |
| 638 |
bulkp->offset += count; |
| 639 |
if (bulkp->offset == bulkp->len) {
|
| 640 |
/* Store status in the last packet with data from this bulkp */
|
| 641 |
usbredir_handle_status(dev, p, bulkp->status); |
| 642 |
bufp_free(dev, bulkp, ep); |
| 643 |
} |
| 644 |
} |
| 645 |
|
| 646 |
static void usbredir_buffered_bulk_in_complete_raw(USBRedirDevice *dev, |
| 647 |
USBPacket *p, uint8_t ep) |
| 648 |
{
|
| 649 |
struct buf_packet *bulkp;
|
| 650 |
int count;
|
| 651 |
|
| 652 |
while ((bulkp = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq)) &&
|
| 653 |
p->actual_length < p->iov.size && p->status == USB_RET_SUCCESS) {
|
| 654 |
count = bulkp->len - bulkp->offset; |
| 655 |
if (count > (p->iov.size - p->actual_length)) {
|
| 656 |
count = p->iov.size - p->actual_length; |
| 657 |
} |
| 658 |
usbredir_buffered_bulk_add_data_to_packet(dev, bulkp, count, p, ep); |
| 659 |
} |
| 660 |
} |
| 661 |
|
| 662 |
static void usbredir_buffered_bulk_in_complete_ftdi(USBRedirDevice *dev, |
| 663 |
USBPacket *p, uint8_t ep) |
| 664 |
{
|
| 665 |
const int maxp = dev->endpoint[EP2I(ep)].max_packet_size; |
| 666 |
uint8_t header[2] = { 0, 0 }; |
| 667 |
struct buf_packet *bulkp;
|
| 668 |
int count;
|
| 669 |
|
| 670 |
while ((bulkp = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq)) &&
|
| 671 |
p->actual_length < p->iov.size && p->status == USB_RET_SUCCESS) {
|
| 672 |
if (bulkp->len < 2) { |
| 673 |
WARNING("malformed ftdi bulk in packet\n");
|
| 674 |
bufp_free(dev, bulkp, ep); |
| 675 |
continue;
|
| 676 |
} |
| 677 |
|
| 678 |
if ((p->actual_length % maxp) == 0) { |
| 679 |
usb_packet_copy(p, bulkp->data, 2);
|
| 680 |
memcpy(header, bulkp->data, 2);
|
| 681 |
} else {
|
| 682 |
if (bulkp->data[0] != header[0] || bulkp->data[1] != header[1]) { |
| 683 |
break; /* Different header, add to next packet */ |
| 684 |
} |
| 685 |
} |
| 686 |
|
| 687 |
if (bulkp->offset == 0) { |
| 688 |
bulkp->offset = 2; /* Skip header */ |
| 689 |
} |
| 690 |
count = bulkp->len - bulkp->offset; |
| 691 |
/* Must repeat the header at maxp interval */
|
| 692 |
if (count > (maxp - (p->actual_length % maxp))) {
|
| 693 |
count = maxp - (p->actual_length % maxp); |
| 694 |
} |
| 695 |
usbredir_buffered_bulk_add_data_to_packet(dev, bulkp, count, p, ep); |
| 696 |
} |
| 697 |
} |
| 698 |
|
| 699 |
static void usbredir_buffered_bulk_in_complete(USBRedirDevice *dev, |
| 700 |
USBPacket *p, uint8_t ep) |
| 701 |
{
|
| 702 |
p->status = USB_RET_SUCCESS; /* Clear previous ASYNC status */
|
| 703 |
dev->buffered_bulk_in_complete(dev, p, ep); |
| 704 |
DPRINTF("bulk-token-in ep %02X status %d len %d id %"PRIu64"\n", |
| 705 |
ep, p->status, p->actual_length, p->id); |
| 706 |
} |
| 707 |
|
| 708 |
static void usbredir_handle_buffered_bulk_in_data(USBRedirDevice *dev, |
| 709 |
USBPacket *p, uint8_t ep) |
| 710 |
{
|
| 711 |
/* Input bulk endpoint, buffered packet input */
|
| 712 |
if (!dev->endpoint[EP2I(ep)].bulk_receiving_started) {
|
| 713 |
int bpt;
|
| 714 |
struct usb_redir_start_bulk_receiving_header start = {
|
| 715 |
.endpoint = ep, |
| 716 |
.stream_id = 0,
|
| 717 |
.no_transfers = 5,
|
| 718 |
}; |
| 719 |
/* Round bytes_per_transfer up to a multiple of max_packet_size */
|
| 720 |
bpt = 512 + dev->endpoint[EP2I(ep)].max_packet_size - 1; |
| 721 |
bpt /= dev->endpoint[EP2I(ep)].max_packet_size; |
| 722 |
bpt *= dev->endpoint[EP2I(ep)].max_packet_size; |
| 723 |
start.bytes_per_transfer = bpt; |
| 724 |
/* No id, we look at the ep when receiving a status back */
|
| 725 |
usbredirparser_send_start_bulk_receiving(dev->parser, 0, &start);
|
| 726 |
usbredirparser_do_write(dev->parser); |
| 727 |
DPRINTF("bulk receiving started bytes/transfer %u count %d ep %02X\n",
|
| 728 |
start.bytes_per_transfer, start.no_transfers, ep); |
| 729 |
dev->endpoint[EP2I(ep)].bulk_receiving_started = 1;
|
| 730 |
/* We don't really want to drop bulk packets ever, but
|
| 731 |
having some upper limit to how much we buffer is good. */
|
| 732 |
dev->endpoint[EP2I(ep)].bufpq_target_size = 5000;
|
| 733 |
dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0;
|
| 734 |
} |
| 735 |
|
| 736 |
if (QTAILQ_EMPTY(&dev->endpoint[EP2I(ep)].bufpq)) {
|
| 737 |
DPRINTF("bulk-token-in ep %02X, no bulkp\n", ep);
|
| 738 |
assert(dev->endpoint[EP2I(ep)].pending_async_packet == NULL);
|
| 739 |
dev->endpoint[EP2I(ep)].pending_async_packet = p; |
| 740 |
p->status = USB_RET_ASYNC; |
| 741 |
return;
|
| 742 |
} |
| 743 |
usbredir_buffered_bulk_in_complete(dev, p, ep); |
| 744 |
} |
| 745 |
|
| 746 |
static void usbredir_stop_bulk_receiving(USBRedirDevice *dev, uint8_t ep) |
| 747 |
{
|
| 748 |
struct usb_redir_stop_bulk_receiving_header stop_bulk = {
|
| 749 |
.endpoint = ep, |
| 750 |
.stream_id = 0,
|
| 751 |
}; |
| 752 |
if (dev->endpoint[EP2I(ep)].bulk_receiving_started) {
|
| 753 |
usbredirparser_send_stop_bulk_receiving(dev->parser, 0, &stop_bulk);
|
| 754 |
DPRINTF("bulk receiving stopped ep %02X\n", ep);
|
| 755 |
dev->endpoint[EP2I(ep)].bulk_receiving_started = 0;
|
| 756 |
} |
| 757 |
usbredir_free_bufpq(dev, ep); |
| 758 |
} |
| 759 |
|
| 760 |
static void usbredir_handle_bulk_data(USBRedirDevice *dev, USBPacket *p, |
| 761 |
uint8_t ep) |
| 762 |
{
|
| 763 |
struct usb_redir_bulk_packet_header bulk_packet;
|
| 764 |
size_t size = usb_packet_size(p); |
| 765 |
const int maxp = dev->endpoint[EP2I(ep)].max_packet_size; |
| 766 |
|
| 767 |
if (usbredir_already_in_flight(dev, p->id)) {
|
| 768 |
p->status = USB_RET_ASYNC; |
| 769 |
return;
|
| 770 |
} |
| 771 |
|
| 772 |
if (dev->endpoint[EP2I(ep)].bulk_receiving_enabled) {
|
| 773 |
if (size != 0 && (size % maxp) == 0) { |
| 774 |
usbredir_handle_buffered_bulk_in_data(dev, p, ep); |
| 775 |
return;
|
| 776 |
} |
| 777 |
WARNING("bulk recv invalid size %zd ep %02x, disabling\n", size, ep);
|
| 778 |
assert(dev->endpoint[EP2I(ep)].pending_async_packet == NULL);
|
| 779 |
usbredir_stop_bulk_receiving(dev, ep); |
| 780 |
dev->endpoint[EP2I(ep)].bulk_receiving_enabled = 0;
|
| 781 |
} |
| 782 |
|
| 783 |
DPRINTF("bulk-out ep %02X len %zd id %"PRIu64"\n", ep, size, p->id); |
| 784 |
|
| 785 |
bulk_packet.endpoint = ep; |
| 786 |
bulk_packet.length = size; |
| 787 |
bulk_packet.stream_id = 0;
|
| 788 |
bulk_packet.length_high = size >> 16;
|
| 789 |
assert(bulk_packet.length_high == 0 ||
|
| 790 |
usbredirparser_peer_has_cap(dev->parser, |
| 791 |
usb_redir_cap_32bits_bulk_length)); |
| 792 |
|
| 793 |
if (ep & USB_DIR_IN) {
|
| 794 |
usbredirparser_send_bulk_packet(dev->parser, p->id, |
| 795 |
&bulk_packet, NULL, 0); |
| 796 |
} else {
|
| 797 |
uint8_t buf[size]; |
| 798 |
usb_packet_copy(p, buf, size); |
| 799 |
usbredir_log_data(dev, "bulk data out:", buf, size);
|
| 800 |
usbredirparser_send_bulk_packet(dev->parser, p->id, |
| 801 |
&bulk_packet, buf, size); |
| 802 |
} |
| 803 |
usbredirparser_do_write(dev->parser); |
| 804 |
p->status = USB_RET_ASYNC; |
| 805 |
} |
| 806 |
|
| 807 |
static void usbredir_handle_interrupt_in_data(USBRedirDevice *dev, |
| 808 |
USBPacket *p, uint8_t ep) |
| 809 |
{
|
| 810 |
/* Input interrupt endpoint, buffered packet input */
|
| 811 |
struct buf_packet *intp;
|
| 812 |
int status, len;
|
| 813 |
|
| 814 |
if (!dev->endpoint[EP2I(ep)].interrupt_started &&
|
| 815 |
!dev->endpoint[EP2I(ep)].interrupt_error) {
|
| 816 |
struct usb_redir_start_interrupt_receiving_header start_int = {
|
| 817 |
.endpoint = ep, |
| 818 |
}; |
| 819 |
/* No id, we look at the ep when receiving a status back */
|
| 820 |
usbredirparser_send_start_interrupt_receiving(dev->parser, 0,
|
| 821 |
&start_int); |
| 822 |
usbredirparser_do_write(dev->parser); |
| 823 |
DPRINTF("interrupt recv started ep %02X\n", ep);
|
| 824 |
dev->endpoint[EP2I(ep)].interrupt_started = 1;
|
| 825 |
/* We don't really want to drop interrupt packets ever, but
|
| 826 |
having some upper limit to how much we buffer is good. */
|
| 827 |
dev->endpoint[EP2I(ep)].bufpq_target_size = 1000;
|
| 828 |
dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0;
|
| 829 |
} |
| 830 |
|
| 831 |
intp = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq); |
| 832 |
if (intp == NULL) { |
| 833 |
DPRINTF2("interrupt-token-in ep %02X, no intp\n", ep);
|
| 834 |
/* Check interrupt_error for stream errors */
|
| 835 |
status = dev->endpoint[EP2I(ep)].interrupt_error; |
| 836 |
dev->endpoint[EP2I(ep)].interrupt_error = 0;
|
| 837 |
if (status) {
|
| 838 |
usbredir_handle_status(dev, p, status); |
| 839 |
} else {
|
| 840 |
p->status = USB_RET_NAK; |
| 841 |
} |
| 842 |
return;
|
| 843 |
} |
| 844 |
DPRINTF("interrupt-token-in ep %02X status %d len %d\n", ep,
|
| 845 |
intp->status, intp->len); |
| 846 |
|
| 847 |
status = intp->status; |
| 848 |
len = intp->len; |
| 849 |
if (len > p->iov.size) {
|
| 850 |
ERROR("received int data is larger then packet ep %02X\n", ep);
|
| 851 |
len = p->iov.size; |
| 852 |
status = usb_redir_babble; |
| 853 |
} |
| 854 |
usb_packet_copy(p, intp->data, len); |
| 855 |
bufp_free(dev, intp, ep); |
| 856 |
usbredir_handle_status(dev, p, status); |
| 857 |
} |
| 858 |
|
| 859 |
/*
|
| 860 |
* Handle interrupt out data, the usbredir protocol expects us to do this
|
| 861 |
* async, so that it can report back a completion status. But guests will
|
| 862 |
* expect immediate completion for an interrupt endpoint, and handling this
|
| 863 |
* async causes migration issues. So we report success directly, counting
|
| 864 |
* on the fact that output interrupt packets normally always succeed.
|
| 865 |
*/
|
| 866 |
static void usbredir_handle_interrupt_out_data(USBRedirDevice *dev, |
| 867 |
USBPacket *p, uint8_t ep) |
| 868 |
{
|
| 869 |
struct usb_redir_interrupt_packet_header interrupt_packet;
|
| 870 |
uint8_t buf[p->iov.size]; |
| 871 |
|
| 872 |
DPRINTF("interrupt-out ep %02X len %zd id %"PRIu64"\n", ep, |
| 873 |
p->iov.size, p->id); |
| 874 |
|
| 875 |
interrupt_packet.endpoint = ep; |
| 876 |
interrupt_packet.length = p->iov.size; |
| 877 |
|
| 878 |
usb_packet_copy(p, buf, p->iov.size); |
| 879 |
usbredir_log_data(dev, "interrupt data out:", buf, p->iov.size);
|
| 880 |
usbredirparser_send_interrupt_packet(dev->parser, p->id, |
| 881 |
&interrupt_packet, buf, p->iov.size); |
| 882 |
usbredirparser_do_write(dev->parser); |
| 883 |
} |
| 884 |
|
| 885 |
static void usbredir_stop_interrupt_receiving(USBRedirDevice *dev, |
| 886 |
uint8_t ep) |
| 887 |
{
|
| 888 |
struct usb_redir_stop_interrupt_receiving_header stop_interrupt_recv = {
|
| 889 |
.endpoint = ep |
| 890 |
}; |
| 891 |
if (dev->endpoint[EP2I(ep)].interrupt_started) {
|
| 892 |
usbredirparser_send_stop_interrupt_receiving(dev->parser, 0,
|
| 893 |
&stop_interrupt_recv); |
| 894 |
DPRINTF("interrupt recv stopped ep %02X\n", ep);
|
| 895 |
dev->endpoint[EP2I(ep)].interrupt_started = 0;
|
| 896 |
} |
| 897 |
dev->endpoint[EP2I(ep)].interrupt_error = 0;
|
| 898 |
usbredir_free_bufpq(dev, ep); |
| 899 |
} |
| 900 |
|
| 901 |
static void usbredir_handle_data(USBDevice *udev, USBPacket *p) |
| 902 |
{
|
| 903 |
USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev); |
| 904 |
uint8_t ep; |
| 905 |
|
| 906 |
ep = p->ep->nr; |
| 907 |
if (p->pid == USB_TOKEN_IN) {
|
| 908 |
ep |= USB_DIR_IN; |
| 909 |
} |
| 910 |
|
| 911 |
switch (dev->endpoint[EP2I(ep)].type) {
|
| 912 |
case USB_ENDPOINT_XFER_CONTROL:
|
| 913 |
ERROR("handle_data called for control transfer on ep %02X\n", ep);
|
| 914 |
p->status = USB_RET_NAK; |
| 915 |
break;
|
| 916 |
case USB_ENDPOINT_XFER_BULK:
|
| 917 |
if (p->state == USB_PACKET_SETUP && p->pid == USB_TOKEN_IN &&
|
| 918 |
p->ep->pipeline) {
|
| 919 |
p->status = USB_RET_ADD_TO_QUEUE; |
| 920 |
break;
|
| 921 |
} |
| 922 |
usbredir_handle_bulk_data(dev, p, ep); |
| 923 |
break;
|
| 924 |
case USB_ENDPOINT_XFER_ISOC:
|
| 925 |
usbredir_handle_iso_data(dev, p, ep); |
| 926 |
break;
|
| 927 |
case USB_ENDPOINT_XFER_INT:
|
| 928 |
if (ep & USB_DIR_IN) {
|
| 929 |
usbredir_handle_interrupt_in_data(dev, p, ep); |
| 930 |
} else {
|
| 931 |
usbredir_handle_interrupt_out_data(dev, p, ep); |
| 932 |
} |
| 933 |
break;
|
| 934 |
default:
|
| 935 |
ERROR("handle_data ep %02X has unknown type %d\n", ep,
|
| 936 |
dev->endpoint[EP2I(ep)].type); |
| 937 |
p->status = USB_RET_NAK; |
| 938 |
} |
| 939 |
} |
| 940 |
|
| 941 |
static void usbredir_flush_ep_queue(USBDevice *dev, USBEndpoint *ep) |
| 942 |
{
|
| 943 |
if (ep->pid == USB_TOKEN_IN && ep->pipeline) {
|
| 944 |
usb_ep_combine_input_packets(ep); |
| 945 |
} |
| 946 |
} |
| 947 |
|
| 948 |
static void usbredir_stop_ep(USBRedirDevice *dev, int i) |
| 949 |
{
|
| 950 |
uint8_t ep = I2EP(i); |
| 951 |
|
| 952 |
switch (dev->endpoint[i].type) {
|
| 953 |
case USB_ENDPOINT_XFER_BULK:
|
| 954 |
if (ep & USB_DIR_IN) {
|
| 955 |
usbredir_stop_bulk_receiving(dev, ep); |
| 956 |
} |
| 957 |
break;
|
| 958 |
case USB_ENDPOINT_XFER_ISOC:
|
| 959 |
usbredir_stop_iso_stream(dev, ep); |
| 960 |
break;
|
| 961 |
case USB_ENDPOINT_XFER_INT:
|
| 962 |
if (ep & USB_DIR_IN) {
|
| 963 |
usbredir_stop_interrupt_receiving(dev, ep); |
| 964 |
} |
| 965 |
break;
|
| 966 |
} |
| 967 |
usbredir_free_bufpq(dev, ep); |
| 968 |
} |
| 969 |
|
| 970 |
static void usbredir_ep_stopped(USBDevice *udev, USBEndpoint *uep) |
| 971 |
{
|
| 972 |
USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev); |
| 973 |
|
| 974 |
usbredir_stop_ep(dev, USBEP2I(uep)); |
| 975 |
usbredirparser_do_write(dev->parser); |
| 976 |
} |
| 977 |
|
| 978 |
static void usbredir_set_config(USBRedirDevice *dev, USBPacket *p, |
| 979 |
int config)
|
| 980 |
{
|
| 981 |
struct usb_redir_set_configuration_header set_config;
|
| 982 |
int i;
|
| 983 |
|
| 984 |
DPRINTF("set config %d id %"PRIu64"\n", config, p->id); |
| 985 |
|
| 986 |
for (i = 0; i < MAX_ENDPOINTS; i++) { |
| 987 |
usbredir_stop_ep(dev, i); |
| 988 |
} |
| 989 |
|
| 990 |
set_config.configuration = config; |
| 991 |
usbredirparser_send_set_configuration(dev->parser, p->id, &set_config); |
| 992 |
usbredirparser_do_write(dev->parser); |
| 993 |
p->status = USB_RET_ASYNC; |
| 994 |
} |
| 995 |
|
| 996 |
static void usbredir_get_config(USBRedirDevice *dev, USBPacket *p) |
| 997 |
{
|
| 998 |
DPRINTF("get config id %"PRIu64"\n", p->id); |
| 999 |
|
| 1000 |
usbredirparser_send_get_configuration(dev->parser, p->id); |
| 1001 |
usbredirparser_do_write(dev->parser); |
| 1002 |
p->status = USB_RET_ASYNC; |
| 1003 |
} |
| 1004 |
|
| 1005 |
static void usbredir_set_interface(USBRedirDevice *dev, USBPacket *p, |
| 1006 |
int interface, int alt) |
| 1007 |
{
|
| 1008 |
struct usb_redir_set_alt_setting_header set_alt;
|
| 1009 |
int i;
|
| 1010 |
|
| 1011 |
DPRINTF("set interface %d alt %d id %"PRIu64"\n", interface, alt, p->id); |
| 1012 |
|
| 1013 |
for (i = 0; i < MAX_ENDPOINTS; i++) { |
| 1014 |
if (dev->endpoint[i].interface == interface) {
|
| 1015 |
usbredir_stop_ep(dev, i); |
| 1016 |
} |
| 1017 |
} |
| 1018 |
|
| 1019 |
set_alt.interface = interface; |
| 1020 |
set_alt.alt = alt; |
| 1021 |
usbredirparser_send_set_alt_setting(dev->parser, p->id, &set_alt); |
| 1022 |
usbredirparser_do_write(dev->parser); |
| 1023 |
p->status = USB_RET_ASYNC; |
| 1024 |
} |
| 1025 |
|
| 1026 |
static void usbredir_get_interface(USBRedirDevice *dev, USBPacket *p, |
| 1027 |
int interface)
|
| 1028 |
{
|
| 1029 |
struct usb_redir_get_alt_setting_header get_alt;
|
| 1030 |
|
| 1031 |
DPRINTF("get interface %d id %"PRIu64"\n", interface, p->id); |
| 1032 |
|
| 1033 |
get_alt.interface = interface; |
| 1034 |
usbredirparser_send_get_alt_setting(dev->parser, p->id, &get_alt); |
| 1035 |
usbredirparser_do_write(dev->parser); |
| 1036 |
p->status = USB_RET_ASYNC; |
| 1037 |
} |
| 1038 |
|
| 1039 |
static void usbredir_handle_control(USBDevice *udev, USBPacket *p, |
| 1040 |
int request, int value, int index, int length, uint8_t *data) |
| 1041 |
{
|
| 1042 |
USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev); |
| 1043 |
struct usb_redir_control_packet_header control_packet;
|
| 1044 |
|
| 1045 |
if (usbredir_already_in_flight(dev, p->id)) {
|
| 1046 |
p->status = USB_RET_ASYNC; |
| 1047 |
return;
|
| 1048 |
} |
| 1049 |
|
| 1050 |
/* Special cases for certain standard device requests */
|
| 1051 |
switch (request) {
|
| 1052 |
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
|
| 1053 |
DPRINTF("set address %d\n", value);
|
| 1054 |
dev->dev.addr = value; |
| 1055 |
return;
|
| 1056 |
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
|
| 1057 |
usbredir_set_config(dev, p, value & 0xff);
|
| 1058 |
return;
|
| 1059 |
case DeviceRequest | USB_REQ_GET_CONFIGURATION:
|
| 1060 |
usbredir_get_config(dev, p); |
| 1061 |
return;
|
| 1062 |
case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
|
| 1063 |
usbredir_set_interface(dev, p, index, value); |
| 1064 |
return;
|
| 1065 |
case InterfaceRequest | USB_REQ_GET_INTERFACE:
|
| 1066 |
usbredir_get_interface(dev, p, index); |
| 1067 |
return;
|
| 1068 |
} |
| 1069 |
|
| 1070 |
/* Normal ctrl requests, note request is (bRequestType << 8) | bRequest */
|
| 1071 |
DPRINTF( |
| 1072 |
"ctrl-out type 0x%x req 0x%x val 0x%x index %d len %d id %"PRIu64"\n", |
| 1073 |
request >> 8, request & 0xff, value, index, length, p->id); |
| 1074 |
|
| 1075 |
control_packet.request = request & 0xFF;
|
| 1076 |
control_packet.requesttype = request >> 8;
|
| 1077 |
control_packet.endpoint = control_packet.requesttype & USB_DIR_IN; |
| 1078 |
control_packet.value = value; |
| 1079 |
control_packet.index = index; |
| 1080 |
control_packet.length = length; |
| 1081 |
|
| 1082 |
if (control_packet.requesttype & USB_DIR_IN) {
|
| 1083 |
usbredirparser_send_control_packet(dev->parser, p->id, |
| 1084 |
&control_packet, NULL, 0); |
| 1085 |
} else {
|
| 1086 |
usbredir_log_data(dev, "ctrl data out:", data, length);
|
| 1087 |
usbredirparser_send_control_packet(dev->parser, p->id, |
| 1088 |
&control_packet, data, length); |
| 1089 |
} |
| 1090 |
usbredirparser_do_write(dev->parser); |
| 1091 |
p->status = USB_RET_ASYNC; |
| 1092 |
} |
| 1093 |
|
| 1094 |
/*
|
| 1095 |
* Close events can be triggered by usbredirparser_do_write which gets called
|
| 1096 |
* from within the USBDevice data / control packet callbacks and doing a
|
| 1097 |
* usb_detach from within these callbacks is not a good idea.
|
| 1098 |
*
|
| 1099 |
* So we use a bh handler to take care of close events.
|
| 1100 |
*/
|
| 1101 |
static void usbredir_chardev_close_bh(void *opaque) |
| 1102 |
{
|
| 1103 |
USBRedirDevice *dev = opaque; |
| 1104 |
|
| 1105 |
usbredir_device_disconnect(dev); |
| 1106 |
|
| 1107 |
if (dev->parser) {
|
| 1108 |
DPRINTF("destroying usbredirparser\n");
|
| 1109 |
usbredirparser_destroy(dev->parser); |
| 1110 |
dev->parser = NULL;
|
| 1111 |
} |
| 1112 |
if (dev->watch) {
|
| 1113 |
g_source_remove(dev->watch); |
| 1114 |
dev->watch = 0;
|
| 1115 |
} |
| 1116 |
} |
| 1117 |
|
| 1118 |
static void usbredir_create_parser(USBRedirDevice *dev) |
| 1119 |
{
|
| 1120 |
uint32_t caps[USB_REDIR_CAPS_SIZE] = { 0, };
|
| 1121 |
int flags = 0; |
| 1122 |
|
| 1123 |
DPRINTF("creating usbredirparser\n");
|
| 1124 |
|
| 1125 |
dev->parser = qemu_oom_check(usbredirparser_create()); |
| 1126 |
dev->parser->priv = dev; |
| 1127 |
dev->parser->log_func = usbredir_log; |
| 1128 |
dev->parser->read_func = usbredir_read; |
| 1129 |
dev->parser->write_func = usbredir_write; |
| 1130 |
dev->parser->hello_func = usbredir_hello; |
| 1131 |
dev->parser->device_connect_func = usbredir_device_connect; |
| 1132 |
dev->parser->device_disconnect_func = usbredir_device_disconnect; |
| 1133 |
dev->parser->interface_info_func = usbredir_interface_info; |
| 1134 |
dev->parser->ep_info_func = usbredir_ep_info; |
| 1135 |
dev->parser->configuration_status_func = usbredir_configuration_status; |
| 1136 |
dev->parser->alt_setting_status_func = usbredir_alt_setting_status; |
| 1137 |
dev->parser->iso_stream_status_func = usbredir_iso_stream_status; |
| 1138 |
dev->parser->interrupt_receiving_status_func = |
| 1139 |
usbredir_interrupt_receiving_status; |
| 1140 |
dev->parser->bulk_streams_status_func = usbredir_bulk_streams_status; |
| 1141 |
dev->parser->bulk_receiving_status_func = usbredir_bulk_receiving_status; |
| 1142 |
dev->parser->control_packet_func = usbredir_control_packet; |
| 1143 |
dev->parser->bulk_packet_func = usbredir_bulk_packet; |
| 1144 |
dev->parser->iso_packet_func = usbredir_iso_packet; |
| 1145 |
dev->parser->interrupt_packet_func = usbredir_interrupt_packet; |
| 1146 |
dev->parser->buffered_bulk_packet_func = usbredir_buffered_bulk_packet; |
| 1147 |
dev->read_buf = NULL;
|
| 1148 |
dev->read_buf_size = 0;
|
| 1149 |
|
| 1150 |
usbredirparser_caps_set_cap(caps, usb_redir_cap_connect_device_version); |
| 1151 |
usbredirparser_caps_set_cap(caps, usb_redir_cap_filter); |
| 1152 |
usbredirparser_caps_set_cap(caps, usb_redir_cap_ep_info_max_packet_size); |
| 1153 |
usbredirparser_caps_set_cap(caps, usb_redir_cap_64bits_ids); |
| 1154 |
usbredirparser_caps_set_cap(caps, usb_redir_cap_32bits_bulk_length); |
| 1155 |
usbredirparser_caps_set_cap(caps, usb_redir_cap_bulk_receiving); |
| 1156 |
|
| 1157 |
if (runstate_check(RUN_STATE_INMIGRATE)) {
|
| 1158 |
flags |= usbredirparser_fl_no_hello; |
| 1159 |
} |
| 1160 |
usbredirparser_init(dev->parser, VERSION, caps, USB_REDIR_CAPS_SIZE, |
| 1161 |
flags); |
| 1162 |
usbredirparser_do_write(dev->parser); |
| 1163 |
} |
| 1164 |
|
| 1165 |
static void usbredir_reject_device(USBRedirDevice *dev) |
| 1166 |
{
|
| 1167 |
usbredir_device_disconnect(dev); |
| 1168 |
if (usbredirparser_peer_has_cap(dev->parser, usb_redir_cap_filter)) {
|
| 1169 |
usbredirparser_send_filter_reject(dev->parser); |
| 1170 |
usbredirparser_do_write(dev->parser); |
| 1171 |
} |
| 1172 |
} |
| 1173 |
|
| 1174 |
static void usbredir_do_attach(void *opaque) |
| 1175 |
{
|
| 1176 |
USBRedirDevice *dev = opaque; |
| 1177 |
|
| 1178 |
/* In order to work properly with XHCI controllers we need these caps */
|
| 1179 |
if ((dev->dev.port->speedmask & USB_SPEED_MASK_SUPER) && !(
|
| 1180 |
usbredirparser_peer_has_cap(dev->parser, |
| 1181 |
usb_redir_cap_ep_info_max_packet_size) && |
| 1182 |
usbredirparser_peer_has_cap(dev->parser, |
| 1183 |
usb_redir_cap_32bits_bulk_length) && |
| 1184 |
usbredirparser_peer_has_cap(dev->parser, |
| 1185 |
usb_redir_cap_64bits_ids))) {
|
| 1186 |
ERROR("usb-redir-host lacks capabilities needed for use with XHCI\n");
|
| 1187 |
usbredir_reject_device(dev); |
| 1188 |
return;
|
| 1189 |
} |
| 1190 |
|
| 1191 |
if (usb_device_attach(&dev->dev) != 0) { |
| 1192 |
WARNING("rejecting device due to speed mismatch\n");
|
| 1193 |
usbredir_reject_device(dev); |
| 1194 |
} |
| 1195 |
} |
| 1196 |
|
| 1197 |
/*
|
| 1198 |
* chardev callbacks
|
| 1199 |
*/
|
| 1200 |
|
| 1201 |
static int usbredir_chardev_can_read(void *opaque) |
| 1202 |
{
|
| 1203 |
USBRedirDevice *dev = opaque; |
| 1204 |
|
| 1205 |
if (!dev->parser) {
|
| 1206 |
WARNING("chardev_can_read called on non open chardev!\n");
|
| 1207 |
return 0; |
| 1208 |
} |
| 1209 |
|
| 1210 |
/* Don't read new data from the chardev until our state is fully synced */
|
| 1211 |
if (!runstate_check(RUN_STATE_RUNNING)) {
|
| 1212 |
return 0; |
| 1213 |
} |
| 1214 |
|
| 1215 |
/* usbredir_parser_do_read will consume *all* data we give it */
|
| 1216 |
return 1024 * 1024; |
| 1217 |
} |
| 1218 |
|
| 1219 |
static void usbredir_chardev_read(void *opaque, const uint8_t *buf, int size) |
| 1220 |
{
|
| 1221 |
USBRedirDevice *dev = opaque; |
| 1222 |
|
| 1223 |
/* No recursion allowed! */
|
| 1224 |
assert(dev->read_buf == NULL);
|
| 1225 |
|
| 1226 |
dev->read_buf = buf; |
| 1227 |
dev->read_buf_size = size; |
| 1228 |
|
| 1229 |
usbredirparser_do_read(dev->parser); |
| 1230 |
/* Send any acks, etc. which may be queued now */
|
| 1231 |
usbredirparser_do_write(dev->parser); |
| 1232 |
} |
| 1233 |
|
| 1234 |
static void usbredir_chardev_event(void *opaque, int event) |
| 1235 |
{
|
| 1236 |
USBRedirDevice *dev = opaque; |
| 1237 |
|
| 1238 |
switch (event) {
|
| 1239 |
case CHR_EVENT_OPENED:
|
| 1240 |
DPRINTF("chardev open\n");
|
| 1241 |
/* Make sure any pending closes are handled (no-op if none pending) */
|
| 1242 |
usbredir_chardev_close_bh(dev); |
| 1243 |
qemu_bh_cancel(dev->chardev_close_bh); |
| 1244 |
usbredir_create_parser(dev); |
| 1245 |
break;
|
| 1246 |
case CHR_EVENT_CLOSED:
|
| 1247 |
DPRINTF("chardev close\n");
|
| 1248 |
qemu_bh_schedule(dev->chardev_close_bh); |
| 1249 |
break;
|
| 1250 |
} |
| 1251 |
} |
| 1252 |
|
| 1253 |
/*
|
| 1254 |
* init + destroy
|
| 1255 |
*/
|
| 1256 |
|
| 1257 |
static void usbredir_vm_state_change(void *priv, int running, RunState state) |
| 1258 |
{
|
| 1259 |
USBRedirDevice *dev = priv; |
| 1260 |
|
| 1261 |
if (state == RUN_STATE_RUNNING && dev->parser != NULL) { |
| 1262 |
usbredirparser_do_write(dev->parser); /* Flush any pending writes */
|
| 1263 |
} |
| 1264 |
} |
| 1265 |
|
| 1266 |
static void usbredir_init_endpoints(USBRedirDevice *dev) |
| 1267 |
{
|
| 1268 |
int i;
|
| 1269 |
|
| 1270 |
usb_ep_init(&dev->dev); |
| 1271 |
memset(dev->endpoint, 0, sizeof(dev->endpoint)); |
| 1272 |
for (i = 0; i < MAX_ENDPOINTS; i++) { |
| 1273 |
dev->endpoint[i].dev = dev; |
| 1274 |
QTAILQ_INIT(&dev->endpoint[i].bufpq); |
| 1275 |
} |
| 1276 |
} |
| 1277 |
|
| 1278 |
static int usbredir_initfn(USBDevice *udev) |
| 1279 |
{
|
| 1280 |
USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev); |
| 1281 |
int i;
|
| 1282 |
|
| 1283 |
if (dev->cs == NULL) { |
| 1284 |
qerror_report(QERR_MISSING_PARAMETER, "chardev");
|
| 1285 |
return -1; |
| 1286 |
} |
| 1287 |
|
| 1288 |
if (dev->filter_str) {
|
| 1289 |
i = usbredirfilter_string_to_rules(dev->filter_str, ":", "|", |
| 1290 |
&dev->filter_rules, |
| 1291 |
&dev->filter_rules_count); |
| 1292 |
if (i) {
|
| 1293 |
qerror_report(QERR_INVALID_PARAMETER_VALUE, "filter",
|
| 1294 |
"a usb device filter string");
|
| 1295 |
return -1; |
| 1296 |
} |
| 1297 |
} |
| 1298 |
|
| 1299 |
dev->chardev_close_bh = qemu_bh_new(usbredir_chardev_close_bh, dev); |
| 1300 |
dev->attach_timer = qemu_new_timer_ms(vm_clock, usbredir_do_attach, dev); |
| 1301 |
|
| 1302 |
packet_id_queue_init(&dev->cancelled, dev, "cancelled");
|
| 1303 |
packet_id_queue_init(&dev->already_in_flight, dev, "already-in-flight");
|
| 1304 |
usbredir_init_endpoints(dev); |
| 1305 |
|
| 1306 |
/* We'll do the attach once we receive the speed from the usb-host */
|
| 1307 |
udev->auto_attach = 0;
|
| 1308 |
|
| 1309 |
/* Will be cleared during setup when we find conflicts */
|
| 1310 |
dev->compatible_speedmask = USB_SPEED_MASK_FULL | USB_SPEED_MASK_HIGH; |
| 1311 |
|
| 1312 |
/* Let the backend know we are ready */
|
| 1313 |
qemu_chr_add_handlers(dev->cs, usbredir_chardev_can_read, |
| 1314 |
usbredir_chardev_read, usbredir_chardev_event, dev); |
| 1315 |
|
| 1316 |
qemu_add_vm_change_state_handler(usbredir_vm_state_change, dev); |
| 1317 |
add_boot_device_path(dev->bootindex, &udev->qdev, NULL);
|
| 1318 |
return 0; |
| 1319 |
} |
| 1320 |
|
| 1321 |
static void usbredir_cleanup_device_queues(USBRedirDevice *dev) |
| 1322 |
{
|
| 1323 |
int i;
|
| 1324 |
|
| 1325 |
packet_id_queue_empty(&dev->cancelled); |
| 1326 |
packet_id_queue_empty(&dev->already_in_flight); |
| 1327 |
for (i = 0; i < MAX_ENDPOINTS; i++) { |
| 1328 |
usbredir_free_bufpq(dev, I2EP(i)); |
| 1329 |
} |
| 1330 |
} |
| 1331 |
|
| 1332 |
static void usbredir_handle_destroy(USBDevice *udev) |
| 1333 |
{
|
| 1334 |
USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev); |
| 1335 |
|
| 1336 |
qemu_chr_delete(dev->cs); |
| 1337 |
/* Note must be done after qemu_chr_close, as that causes a close event */
|
| 1338 |
qemu_bh_delete(dev->chardev_close_bh); |
| 1339 |
|
| 1340 |
qemu_del_timer(dev->attach_timer); |
| 1341 |
qemu_free_timer(dev->attach_timer); |
| 1342 |
|
| 1343 |
usbredir_cleanup_device_queues(dev); |
| 1344 |
|
| 1345 |
if (dev->parser) {
|
| 1346 |
usbredirparser_destroy(dev->parser); |
| 1347 |
} |
| 1348 |
if (dev->watch) {
|
| 1349 |
g_source_remove(dev->watch); |
| 1350 |
} |
| 1351 |
|
| 1352 |
free(dev->filter_rules); |
| 1353 |
} |
| 1354 |
|
| 1355 |
static int usbredir_check_filter(USBRedirDevice *dev) |
| 1356 |
{
|
| 1357 |
if (dev->interface_info.interface_count == NO_INTERFACE_INFO) {
|
| 1358 |
ERROR("No interface info for device\n");
|
| 1359 |
goto error;
|
| 1360 |
} |
| 1361 |
|
| 1362 |
if (dev->filter_rules) {
|
| 1363 |
if (!usbredirparser_peer_has_cap(dev->parser,
|
| 1364 |
usb_redir_cap_connect_device_version)) {
|
| 1365 |
ERROR("Device filter specified and peer does not have the "
|
| 1366 |
"connect_device_version capability\n");
|
| 1367 |
goto error;
|
| 1368 |
} |
| 1369 |
|
| 1370 |
if (usbredirfilter_check(
|
| 1371 |
dev->filter_rules, |
| 1372 |
dev->filter_rules_count, |
| 1373 |
dev->device_info.device_class, |
| 1374 |
dev->device_info.device_subclass, |
| 1375 |
dev->device_info.device_protocol, |
| 1376 |
dev->interface_info.interface_class, |
| 1377 |
dev->interface_info.interface_subclass, |
| 1378 |
dev->interface_info.interface_protocol, |
| 1379 |
dev->interface_info.interface_count, |
| 1380 |
dev->device_info.vendor_id, |
| 1381 |
dev->device_info.product_id, |
| 1382 |
dev->device_info.device_version_bcd, |
| 1383 |
0) != 0) { |
| 1384 |
goto error;
|
| 1385 |
} |
| 1386 |
} |
| 1387 |
|
| 1388 |
return 0; |
| 1389 |
|
| 1390 |
error:
|
| 1391 |
usbredir_reject_device(dev); |
| 1392 |
return -1; |
| 1393 |
} |
| 1394 |
|
| 1395 |
static void usbredir_check_bulk_receiving(USBRedirDevice *dev) |
| 1396 |
{
|
| 1397 |
int i, j, quirks;
|
| 1398 |
|
| 1399 |
if (!usbredirparser_peer_has_cap(dev->parser,
|
| 1400 |
usb_redir_cap_bulk_receiving)) {
|
| 1401 |
return;
|
| 1402 |
} |
| 1403 |
|
| 1404 |
for (i = EP2I(USB_DIR_IN); i < MAX_ENDPOINTS; i++) {
|
| 1405 |
dev->endpoint[i].bulk_receiving_enabled = 0;
|
| 1406 |
} |
| 1407 |
for (i = 0; i < dev->interface_info.interface_count; i++) { |
| 1408 |
quirks = usb_get_quirks(dev->device_info.vendor_id, |
| 1409 |
dev->device_info.product_id, |
| 1410 |
dev->interface_info.interface_class[i], |
| 1411 |
dev->interface_info.interface_subclass[i], |
| 1412 |
dev->interface_info.interface_protocol[i]); |
| 1413 |
if (!(quirks & USB_QUIRK_BUFFER_BULK_IN)) {
|
| 1414 |
continue;
|
| 1415 |
} |
| 1416 |
if (quirks & USB_QUIRK_IS_FTDI) {
|
| 1417 |
dev->buffered_bulk_in_complete = |
| 1418 |
usbredir_buffered_bulk_in_complete_ftdi; |
| 1419 |
} else {
|
| 1420 |
dev->buffered_bulk_in_complete = |
| 1421 |
usbredir_buffered_bulk_in_complete_raw; |
| 1422 |
} |
| 1423 |
|
| 1424 |
for (j = EP2I(USB_DIR_IN); j < MAX_ENDPOINTS; j++) {
|
| 1425 |
if (dev->endpoint[j].interface ==
|
| 1426 |
dev->interface_info.interface[i] && |
| 1427 |
dev->endpoint[j].type == USB_ENDPOINT_XFER_BULK && |
| 1428 |
dev->endpoint[j].max_packet_size != 0) {
|
| 1429 |
dev->endpoint[j].bulk_receiving_enabled = 1;
|
| 1430 |
/*
|
| 1431 |
* With buffering pipelining is not necessary. Also packet
|
| 1432 |
* combining and bulk in buffering don't play nice together!
|
| 1433 |
*/
|
| 1434 |
I2USBEP(dev, j)->pipeline = false;
|
| 1435 |
break; /* Only buffer for the first ep of each intf */ |
| 1436 |
} |
| 1437 |
} |
| 1438 |
} |
| 1439 |
} |
| 1440 |
|
| 1441 |
/*
|
| 1442 |
* usbredirparser packet complete callbacks
|
| 1443 |
*/
|
| 1444 |
|
| 1445 |
static void usbredir_handle_status(USBRedirDevice *dev, USBPacket *p, |
| 1446 |
int status)
|
| 1447 |
{
|
| 1448 |
switch (status) {
|
| 1449 |
case usb_redir_success:
|
| 1450 |
p->status = USB_RET_SUCCESS; /* Clear previous ASYNC status */
|
| 1451 |
break;
|
| 1452 |
case usb_redir_stall:
|
| 1453 |
p->status = USB_RET_STALL; |
| 1454 |
break;
|
| 1455 |
case usb_redir_cancelled:
|
| 1456 |
/*
|
| 1457 |
* When the usbredir-host unredirects a device, it will report a status
|
| 1458 |
* of cancelled for all pending packets, followed by a disconnect msg.
|
| 1459 |
*/
|
| 1460 |
p->status = USB_RET_IOERROR; |
| 1461 |
break;
|
| 1462 |
case usb_redir_inval:
|
| 1463 |
WARNING("got invalid param error from usb-host?\n");
|
| 1464 |
p->status = USB_RET_IOERROR; |
| 1465 |
break;
|
| 1466 |
case usb_redir_babble:
|
| 1467 |
p->status = USB_RET_BABBLE; |
| 1468 |
break;
|
| 1469 |
case usb_redir_ioerror:
|
| 1470 |
case usb_redir_timeout:
|
| 1471 |
default:
|
| 1472 |
p->status = USB_RET_IOERROR; |
| 1473 |
} |
| 1474 |
} |
| 1475 |
|
| 1476 |
static void usbredir_hello(void *priv, struct usb_redir_hello_header *h) |
| 1477 |
{
|
| 1478 |
USBRedirDevice *dev = priv; |
| 1479 |
|
| 1480 |
/* Try to send the filter info now that we've the usb-host's caps */
|
| 1481 |
if (usbredirparser_peer_has_cap(dev->parser, usb_redir_cap_filter) &&
|
| 1482 |
dev->filter_rules) {
|
| 1483 |
usbredirparser_send_filter_filter(dev->parser, dev->filter_rules, |
| 1484 |
dev->filter_rules_count); |
| 1485 |
usbredirparser_do_write(dev->parser); |
| 1486 |
} |
| 1487 |
} |
| 1488 |
|
| 1489 |
static void usbredir_device_connect(void *priv, |
| 1490 |
struct usb_redir_device_connect_header *device_connect)
|
| 1491 |
{
|
| 1492 |
USBRedirDevice *dev = priv; |
| 1493 |
const char *speed; |
| 1494 |
|
| 1495 |
if (qemu_timer_pending(dev->attach_timer) || dev->dev.attached) {
|
| 1496 |
ERROR("Received device connect while already connected\n");
|
| 1497 |
return;
|
| 1498 |
} |
| 1499 |
|
| 1500 |
switch (device_connect->speed) {
|
| 1501 |
case usb_redir_speed_low:
|
| 1502 |
speed = "low speed";
|
| 1503 |
dev->dev.speed = USB_SPEED_LOW; |
| 1504 |
dev->compatible_speedmask &= ~USB_SPEED_MASK_FULL; |
| 1505 |
dev->compatible_speedmask &= ~USB_SPEED_MASK_HIGH; |
| 1506 |
break;
|
| 1507 |
case usb_redir_speed_full:
|
| 1508 |
speed = "full speed";
|
| 1509 |
dev->dev.speed = USB_SPEED_FULL; |
| 1510 |
dev->compatible_speedmask &= ~USB_SPEED_MASK_HIGH; |
| 1511 |
break;
|
| 1512 |
case usb_redir_speed_high:
|
| 1513 |
speed = "high speed";
|
| 1514 |
dev->dev.speed = USB_SPEED_HIGH; |
| 1515 |
break;
|
| 1516 |
case usb_redir_speed_super:
|
| 1517 |
speed = "super speed";
|
| 1518 |
dev->dev.speed = USB_SPEED_SUPER; |
| 1519 |
break;
|
| 1520 |
default:
|
| 1521 |
speed = "unknown speed";
|
| 1522 |
dev->dev.speed = USB_SPEED_FULL; |
| 1523 |
} |
| 1524 |
|
| 1525 |
if (usbredirparser_peer_has_cap(dev->parser,
|
| 1526 |
usb_redir_cap_connect_device_version)) {
|
| 1527 |
INFO("attaching %s device %04x:%04x version %d.%d class %02x\n",
|
| 1528 |
speed, device_connect->vendor_id, device_connect->product_id, |
| 1529 |
((device_connect->device_version_bcd & 0xf000) >> 12) * 10 + |
| 1530 |
((device_connect->device_version_bcd & 0x0f00) >> 8), |
| 1531 |
((device_connect->device_version_bcd & 0x00f0) >> 4) * 10 + |
| 1532 |
((device_connect->device_version_bcd & 0x000f) >> 0), |
| 1533 |
device_connect->device_class); |
| 1534 |
} else {
|
| 1535 |
INFO("attaching %s device %04x:%04x class %02x\n", speed,
|
| 1536 |
device_connect->vendor_id, device_connect->product_id, |
| 1537 |
device_connect->device_class); |
| 1538 |
} |
| 1539 |
|
| 1540 |
dev->dev.speedmask = (1 << dev->dev.speed) | dev->compatible_speedmask;
|
| 1541 |
dev->device_info = *device_connect; |
| 1542 |
|
| 1543 |
if (usbredir_check_filter(dev)) {
|
| 1544 |
WARNING("Device %04x:%04x rejected by device filter, not attaching\n",
|
| 1545 |
device_connect->vendor_id, device_connect->product_id); |
| 1546 |
return;
|
| 1547 |
} |
| 1548 |
|
| 1549 |
usbredir_check_bulk_receiving(dev); |
| 1550 |
qemu_mod_timer(dev->attach_timer, dev->next_attach_time); |
| 1551 |
} |
| 1552 |
|
| 1553 |
static void usbredir_device_disconnect(void *priv) |
| 1554 |
{
|
| 1555 |
USBRedirDevice *dev = priv; |
| 1556 |
|
| 1557 |
/* Stop any pending attaches */
|
| 1558 |
qemu_del_timer(dev->attach_timer); |
| 1559 |
|
| 1560 |
if (dev->dev.attached) {
|
| 1561 |
DPRINTF("detaching device\n");
|
| 1562 |
usb_device_detach(&dev->dev); |
| 1563 |
/*
|
| 1564 |
* Delay next usb device attach to give the guest a chance to see
|
| 1565 |
* see the detach / attach in case of quick close / open succession
|
| 1566 |
*/
|
| 1567 |
dev->next_attach_time = qemu_get_clock_ms(vm_clock) + 200;
|
| 1568 |
} |
| 1569 |
|
| 1570 |
/* Reset state so that the next dev connected starts with a clean slate */
|
| 1571 |
usbredir_cleanup_device_queues(dev); |
| 1572 |
usbredir_init_endpoints(dev); |
| 1573 |
dev->interface_info.interface_count = NO_INTERFACE_INFO; |
| 1574 |
dev->dev.addr = 0;
|
| 1575 |
dev->dev.speed = 0;
|
| 1576 |
dev->compatible_speedmask = USB_SPEED_MASK_FULL | USB_SPEED_MASK_HIGH; |
| 1577 |
} |
| 1578 |
|
| 1579 |
static void usbredir_interface_info(void *priv, |
| 1580 |
struct usb_redir_interface_info_header *interface_info)
|
| 1581 |
{
|
| 1582 |
USBRedirDevice *dev = priv; |
| 1583 |
|
| 1584 |
dev->interface_info = *interface_info; |
| 1585 |
|
| 1586 |
/*
|
| 1587 |
* If we receive interface info after the device has already been
|
| 1588 |
* connected (ie on a set_config), re-check interface dependent things.
|
| 1589 |
*/
|
| 1590 |
if (qemu_timer_pending(dev->attach_timer) || dev->dev.attached) {
|
| 1591 |
usbredir_check_bulk_receiving(dev); |
| 1592 |
if (usbredir_check_filter(dev)) {
|
| 1593 |
ERROR("Device no longer matches filter after interface info "
|
| 1594 |
"change, disconnecting!\n");
|
| 1595 |
} |
| 1596 |
} |
| 1597 |
} |
| 1598 |
|
| 1599 |
static void usbredir_mark_speed_incompatible(USBRedirDevice *dev, int speed) |
| 1600 |
{
|
| 1601 |
dev->compatible_speedmask &= ~(1 << speed);
|
| 1602 |
dev->dev.speedmask = (1 << dev->dev.speed) | dev->compatible_speedmask;
|
| 1603 |
} |
| 1604 |
|
| 1605 |
static void usbredir_set_pipeline(USBRedirDevice *dev, struct USBEndpoint *uep) |
| 1606 |
{
|
| 1607 |
if (uep->type != USB_ENDPOINT_XFER_BULK) {
|
| 1608 |
return;
|
| 1609 |
} |
| 1610 |
if (uep->pid == USB_TOKEN_OUT) {
|
| 1611 |
uep->pipeline = true;
|
| 1612 |
} |
| 1613 |
if (uep->pid == USB_TOKEN_IN && uep->max_packet_size != 0 && |
| 1614 |
usbredirparser_peer_has_cap(dev->parser, |
| 1615 |
usb_redir_cap_32bits_bulk_length)) {
|
| 1616 |
uep->pipeline = true;
|
| 1617 |
} |
| 1618 |
} |
| 1619 |
|
| 1620 |
static void usbredir_setup_usb_eps(USBRedirDevice *dev) |
| 1621 |
{
|
| 1622 |
struct USBEndpoint *usb_ep;
|
| 1623 |
int i;
|
| 1624 |
|
| 1625 |
for (i = 0; i < MAX_ENDPOINTS; i++) { |
| 1626 |
usb_ep = I2USBEP(dev, i); |
| 1627 |
usb_ep->type = dev->endpoint[i].type; |
| 1628 |
usb_ep->ifnum = dev->endpoint[i].interface; |
| 1629 |
usb_ep->max_packet_size = dev->endpoint[i].max_packet_size; |
| 1630 |
usbredir_set_pipeline(dev, usb_ep); |
| 1631 |
} |
| 1632 |
} |
| 1633 |
|
| 1634 |
static void usbredir_ep_info(void *priv, |
| 1635 |
struct usb_redir_ep_info_header *ep_info)
|
| 1636 |
{
|
| 1637 |
USBRedirDevice *dev = priv; |
| 1638 |
int i;
|
| 1639 |
|
| 1640 |
for (i = 0; i < MAX_ENDPOINTS; i++) { |
| 1641 |
dev->endpoint[i].type = ep_info->type[i]; |
| 1642 |
dev->endpoint[i].interval = ep_info->interval[i]; |
| 1643 |
dev->endpoint[i].interface = ep_info->interface[i]; |
| 1644 |
if (usbredirparser_peer_has_cap(dev->parser,
|
| 1645 |
usb_redir_cap_ep_info_max_packet_size)) {
|
| 1646 |
dev->endpoint[i].max_packet_size = ep_info->max_packet_size[i]; |
| 1647 |
} |
| 1648 |
switch (dev->endpoint[i].type) {
|
| 1649 |
case usb_redir_type_invalid:
|
| 1650 |
break;
|
| 1651 |
case usb_redir_type_iso:
|
| 1652 |
usbredir_mark_speed_incompatible(dev, USB_SPEED_FULL); |
| 1653 |
usbredir_mark_speed_incompatible(dev, USB_SPEED_HIGH); |
| 1654 |
/* Fall through */
|
| 1655 |
case usb_redir_type_interrupt:
|
| 1656 |
if (!usbredirparser_peer_has_cap(dev->parser,
|
| 1657 |
usb_redir_cap_ep_info_max_packet_size) || |
| 1658 |
ep_info->max_packet_size[i] > 64) {
|
| 1659 |
usbredir_mark_speed_incompatible(dev, USB_SPEED_FULL); |
| 1660 |
} |
| 1661 |
if (!usbredirparser_peer_has_cap(dev->parser,
|
| 1662 |
usb_redir_cap_ep_info_max_packet_size) || |
| 1663 |
ep_info->max_packet_size[i] > 1024) {
|
| 1664 |
usbredir_mark_speed_incompatible(dev, USB_SPEED_HIGH); |
| 1665 |
} |
| 1666 |
if (dev->endpoint[i].interval == 0) { |
| 1667 |
ERROR("Received 0 interval for isoc or irq endpoint\n");
|
| 1668 |
usbredir_reject_device(dev); |
| 1669 |
return;
|
| 1670 |
} |
| 1671 |
/* Fall through */
|
| 1672 |
case usb_redir_type_control:
|
| 1673 |
case usb_redir_type_bulk:
|
| 1674 |
DPRINTF("ep: %02X type: %d interface: %d\n", I2EP(i),
|
| 1675 |
dev->endpoint[i].type, dev->endpoint[i].interface); |
| 1676 |
break;
|
| 1677 |
default:
|
| 1678 |
ERROR("Received invalid endpoint type\n");
|
| 1679 |
usbredir_reject_device(dev); |
| 1680 |
return;
|
| 1681 |
} |
| 1682 |
} |
| 1683 |
/* The new ep info may have caused a speed incompatibility, recheck */
|
| 1684 |
if (dev->dev.attached &&
|
| 1685 |
!(dev->dev.port->speedmask & dev->dev.speedmask)) {
|
| 1686 |
ERROR("Device no longer matches speed after endpoint info change, "
|
| 1687 |
"disconnecting!\n");
|
| 1688 |
usbredir_reject_device(dev); |
| 1689 |
return;
|
| 1690 |
} |
| 1691 |
usbredir_setup_usb_eps(dev); |
| 1692 |
usbredir_check_bulk_receiving(dev); |
| 1693 |
} |
| 1694 |
|
| 1695 |
static void usbredir_configuration_status(void *priv, uint64_t id, |
| 1696 |
struct usb_redir_configuration_status_header *config_status)
|
| 1697 |
{
|
| 1698 |
USBRedirDevice *dev = priv; |
| 1699 |
USBPacket *p; |
| 1700 |
|
| 1701 |
DPRINTF("set config status %d config %d id %"PRIu64"\n", |
| 1702 |
config_status->status, config_status->configuration, id); |
| 1703 |
|
| 1704 |
p = usbredir_find_packet_by_id(dev, 0, id);
|
| 1705 |
if (p) {
|
| 1706 |
if (dev->dev.setup_buf[0] & USB_DIR_IN) { |
| 1707 |
dev->dev.data_buf[0] = config_status->configuration;
|
| 1708 |
p->actual_length = 1;
|
| 1709 |
} |
| 1710 |
usbredir_handle_status(dev, p, config_status->status); |
| 1711 |
usb_generic_async_ctrl_complete(&dev->dev, p); |
| 1712 |
} |
| 1713 |
} |
| 1714 |
|
| 1715 |
static void usbredir_alt_setting_status(void *priv, uint64_t id, |
| 1716 |
struct usb_redir_alt_setting_status_header *alt_setting_status)
|
| 1717 |
{
|
| 1718 |
USBRedirDevice *dev = priv; |
| 1719 |
USBPacket *p; |
| 1720 |
|
| 1721 |
DPRINTF("alt status %d intf %d alt %d id: %"PRIu64"\n", |
| 1722 |
alt_setting_status->status, alt_setting_status->interface, |
| 1723 |
alt_setting_status->alt, id); |
| 1724 |
|
| 1725 |
p = usbredir_find_packet_by_id(dev, 0, id);
|
| 1726 |
if (p) {
|
| 1727 |
if (dev->dev.setup_buf[0] & USB_DIR_IN) { |
| 1728 |
dev->dev.data_buf[0] = alt_setting_status->alt;
|
| 1729 |
p->actual_length = 1;
|
| 1730 |
} |
| 1731 |
usbredir_handle_status(dev, p, alt_setting_status->status); |
| 1732 |
usb_generic_async_ctrl_complete(&dev->dev, p); |
| 1733 |
} |
| 1734 |
} |
| 1735 |
|
| 1736 |
static void usbredir_iso_stream_status(void *priv, uint64_t id, |
| 1737 |
struct usb_redir_iso_stream_status_header *iso_stream_status)
|
| 1738 |
{
|
| 1739 |
USBRedirDevice *dev = priv; |
| 1740 |
uint8_t ep = iso_stream_status->endpoint; |
| 1741 |
|
| 1742 |
DPRINTF("iso status %d ep %02X id %"PRIu64"\n", iso_stream_status->status, |
| 1743 |
ep, id); |
| 1744 |
|
| 1745 |
if (!dev->dev.attached || !dev->endpoint[EP2I(ep)].iso_started) {
|
| 1746 |
return;
|
| 1747 |
} |
| 1748 |
|
| 1749 |
dev->endpoint[EP2I(ep)].iso_error = iso_stream_status->status; |
| 1750 |
if (iso_stream_status->status == usb_redir_stall) {
|
| 1751 |
DPRINTF("iso stream stopped by peer ep %02X\n", ep);
|
| 1752 |
dev->endpoint[EP2I(ep)].iso_started = 0;
|
| 1753 |
} |
| 1754 |
} |
| 1755 |
|
| 1756 |
static void usbredir_interrupt_receiving_status(void *priv, uint64_t id, |
| 1757 |
struct usb_redir_interrupt_receiving_status_header
|
| 1758 |
*interrupt_receiving_status) |
| 1759 |
{
|
| 1760 |
USBRedirDevice *dev = priv; |
| 1761 |
uint8_t ep = interrupt_receiving_status->endpoint; |
| 1762 |
|
| 1763 |
DPRINTF("interrupt recv status %d ep %02X id %"PRIu64"\n", |
| 1764 |
interrupt_receiving_status->status, ep, id); |
| 1765 |
|
| 1766 |
if (!dev->dev.attached || !dev->endpoint[EP2I(ep)].interrupt_started) {
|
| 1767 |
return;
|
| 1768 |
} |
| 1769 |
|
| 1770 |
dev->endpoint[EP2I(ep)].interrupt_error = |
| 1771 |
interrupt_receiving_status->status; |
| 1772 |
if (interrupt_receiving_status->status == usb_redir_stall) {
|
| 1773 |
DPRINTF("interrupt receiving stopped by peer ep %02X\n", ep);
|
| 1774 |
dev->endpoint[EP2I(ep)].interrupt_started = 0;
|
| 1775 |
} |
| 1776 |
} |
| 1777 |
|
| 1778 |
static void usbredir_bulk_streams_status(void *priv, uint64_t id, |
| 1779 |
struct usb_redir_bulk_streams_status_header *bulk_streams_status)
|
| 1780 |
{
|
| 1781 |
} |
| 1782 |
|
| 1783 |
static void usbredir_bulk_receiving_status(void *priv, uint64_t id, |
| 1784 |
struct usb_redir_bulk_receiving_status_header *bulk_receiving_status)
|
| 1785 |
{
|
| 1786 |
USBRedirDevice *dev = priv; |
| 1787 |
uint8_t ep = bulk_receiving_status->endpoint; |
| 1788 |
|
| 1789 |
DPRINTF("bulk recv status %d ep %02X id %"PRIu64"\n", |
| 1790 |
bulk_receiving_status->status, ep, id); |
| 1791 |
|
| 1792 |
if (!dev->dev.attached || !dev->endpoint[EP2I(ep)].bulk_receiving_started) {
|
| 1793 |
return;
|
| 1794 |
} |
| 1795 |
|
| 1796 |
if (bulk_receiving_status->status == usb_redir_stall) {
|
| 1797 |
DPRINTF("bulk receiving stopped by peer ep %02X\n", ep);
|
| 1798 |
dev->endpoint[EP2I(ep)].bulk_receiving_started = 0;
|
| 1799 |
} |
| 1800 |
} |
| 1801 |
|
| 1802 |
static void usbredir_control_packet(void *priv, uint64_t id, |
| 1803 |
struct usb_redir_control_packet_header *control_packet,
|
| 1804 |
uint8_t *data, int data_len)
|
| 1805 |
{
|
| 1806 |
USBRedirDevice *dev = priv; |
| 1807 |
USBPacket *p; |
| 1808 |
int len = control_packet->length;
|
| 1809 |
|
| 1810 |
DPRINTF("ctrl-in status %d len %d id %"PRIu64"\n", control_packet->status, |
| 1811 |
len, id); |
| 1812 |
|
| 1813 |
/* Fix up USB-3 ep0 maxpacket size to allow superspeed connected devices
|
| 1814 |
* to work redirected to a not superspeed capable hcd */
|
| 1815 |
if (dev->dev.speed == USB_SPEED_SUPER &&
|
| 1816 |
!((dev->dev.port->speedmask & USB_SPEED_MASK_SUPER)) && |
| 1817 |
control_packet->requesttype == 0x80 &&
|
| 1818 |
control_packet->request == 6 &&
|
| 1819 |
control_packet->value == 0x100 && control_packet->index == 0 && |
| 1820 |
data_len >= 18 && data[7] == 9) { |
| 1821 |
data[7] = 64; |
| 1822 |
} |
| 1823 |
|
| 1824 |
p = usbredir_find_packet_by_id(dev, 0, id);
|
| 1825 |
if (p) {
|
| 1826 |
usbredir_handle_status(dev, p, control_packet->status); |
| 1827 |
if (data_len > 0) { |
| 1828 |
usbredir_log_data(dev, "ctrl data in:", data, data_len);
|
| 1829 |
if (data_len > sizeof(dev->dev.data_buf)) { |
| 1830 |
ERROR("ctrl buffer too small (%d > %zu)\n",
|
| 1831 |
data_len, sizeof(dev->dev.data_buf));
|
| 1832 |
p->status = USB_RET_STALL; |
| 1833 |
data_len = len = sizeof(dev->dev.data_buf);
|
| 1834 |
} |
| 1835 |
memcpy(dev->dev.data_buf, data, data_len); |
| 1836 |
} |
| 1837 |
p->actual_length = len; |
| 1838 |
usb_generic_async_ctrl_complete(&dev->dev, p); |
| 1839 |
} |
| 1840 |
free(data); |
| 1841 |
} |
| 1842 |
|
| 1843 |
static void usbredir_bulk_packet(void *priv, uint64_t id, |
| 1844 |
struct usb_redir_bulk_packet_header *bulk_packet,
|
| 1845 |
uint8_t *data, int data_len)
|
| 1846 |
{
|
| 1847 |
USBRedirDevice *dev = priv; |
| 1848 |
uint8_t ep = bulk_packet->endpoint; |
| 1849 |
int len = (bulk_packet->length_high << 16) | bulk_packet->length; |
| 1850 |
USBPacket *p; |
| 1851 |
|
| 1852 |
DPRINTF("bulk-in status %d ep %02X len %d id %"PRIu64"\n", |
| 1853 |
bulk_packet->status, ep, len, id); |
| 1854 |
|
| 1855 |
p = usbredir_find_packet_by_id(dev, ep, id); |
| 1856 |
if (p) {
|
| 1857 |
size_t size = usb_packet_size(p); |
| 1858 |
usbredir_handle_status(dev, p, bulk_packet->status); |
| 1859 |
if (data_len > 0) { |
| 1860 |
usbredir_log_data(dev, "bulk data in:", data, data_len);
|
| 1861 |
if (data_len > size) {
|
| 1862 |
ERROR("bulk got more data then requested (%d > %zd)\n",
|
| 1863 |
data_len, p->iov.size); |
| 1864 |
p->status = USB_RET_BABBLE; |
| 1865 |
data_len = len = size; |
| 1866 |
} |
| 1867 |
usb_packet_copy(p, data, data_len); |
| 1868 |
} |
| 1869 |
p->actual_length = len; |
| 1870 |
if (p->pid == USB_TOKEN_IN && p->ep->pipeline) {
|
| 1871 |
usb_combined_input_packet_complete(&dev->dev, p); |
| 1872 |
} else {
|
| 1873 |
usb_packet_complete(&dev->dev, p); |
| 1874 |
} |
| 1875 |
} |
| 1876 |
free(data); |
| 1877 |
} |
| 1878 |
|
| 1879 |
static void usbredir_iso_packet(void *priv, uint64_t id, |
| 1880 |
struct usb_redir_iso_packet_header *iso_packet,
|
| 1881 |
uint8_t *data, int data_len)
|
| 1882 |
{
|
| 1883 |
USBRedirDevice *dev = priv; |
| 1884 |
uint8_t ep = iso_packet->endpoint; |
| 1885 |
|
| 1886 |
DPRINTF2("iso-in status %d ep %02X len %d id %"PRIu64"\n", |
| 1887 |
iso_packet->status, ep, data_len, id); |
| 1888 |
|
| 1889 |
if (dev->endpoint[EP2I(ep)].type != USB_ENDPOINT_XFER_ISOC) {
|
| 1890 |
ERROR("received iso packet for non iso endpoint %02X\n", ep);
|
| 1891 |
free(data); |
| 1892 |
return;
|
| 1893 |
} |
| 1894 |
|
| 1895 |
if (dev->endpoint[EP2I(ep)].iso_started == 0) { |
| 1896 |
DPRINTF("received iso packet for non started stream ep %02X\n", ep);
|
| 1897 |
free(data); |
| 1898 |
return;
|
| 1899 |
} |
| 1900 |
|
| 1901 |
/* bufp_alloc also adds the packet to the ep queue */
|
| 1902 |
bufp_alloc(dev, data, data_len, iso_packet->status, ep, data); |
| 1903 |
} |
| 1904 |
|
| 1905 |
static void usbredir_interrupt_packet(void *priv, uint64_t id, |
| 1906 |
struct usb_redir_interrupt_packet_header *interrupt_packet,
|
| 1907 |
uint8_t *data, int data_len)
|
| 1908 |
{
|
| 1909 |
USBRedirDevice *dev = priv; |
| 1910 |
uint8_t ep = interrupt_packet->endpoint; |
| 1911 |
|
| 1912 |
DPRINTF("interrupt-in status %d ep %02X len %d id %"PRIu64"\n", |
| 1913 |
interrupt_packet->status, ep, data_len, id); |
| 1914 |
|
| 1915 |
if (dev->endpoint[EP2I(ep)].type != USB_ENDPOINT_XFER_INT) {
|
| 1916 |
ERROR("received int packet for non interrupt endpoint %02X\n", ep);
|
| 1917 |
free(data); |
| 1918 |
return;
|
| 1919 |
} |
| 1920 |
|
| 1921 |
if (ep & USB_DIR_IN) {
|
| 1922 |
if (dev->endpoint[EP2I(ep)].interrupt_started == 0) { |
| 1923 |
DPRINTF("received int packet while not started ep %02X\n", ep);
|
| 1924 |
free(data); |
| 1925 |
return;
|
| 1926 |
} |
| 1927 |
|
| 1928 |
if (QTAILQ_EMPTY(&dev->endpoint[EP2I(ep)].bufpq)) {
|
| 1929 |
usb_wakeup(usb_ep_get(&dev->dev, USB_TOKEN_IN, ep & 0x0f), 0); |
| 1930 |
} |
| 1931 |
|
| 1932 |
/* bufp_alloc also adds the packet to the ep queue */
|
| 1933 |
bufp_alloc(dev, data, data_len, interrupt_packet->status, ep, data); |
| 1934 |
} else {
|
| 1935 |
/*
|
| 1936 |
* We report output interrupt packets as completed directly upon
|
| 1937 |
* submission, so all we can do here if one failed is warn.
|
| 1938 |
*/
|
| 1939 |
if (interrupt_packet->status) {
|
| 1940 |
WARNING("interrupt output failed status %d ep %02X id %"PRIu64"\n", |
| 1941 |
interrupt_packet->status, ep, id); |
| 1942 |
} |
| 1943 |
} |
| 1944 |
} |
| 1945 |
|
| 1946 |
static void usbredir_buffered_bulk_packet(void *priv, uint64_t id, |
| 1947 |
struct usb_redir_buffered_bulk_packet_header *buffered_bulk_packet,
|
| 1948 |
uint8_t *data, int data_len)
|
| 1949 |
{
|
| 1950 |
USBRedirDevice *dev = priv; |
| 1951 |
uint8_t status, ep = buffered_bulk_packet->endpoint; |
| 1952 |
void *free_on_destroy;
|
| 1953 |
int i, len;
|
| 1954 |
|
| 1955 |
DPRINTF("buffered-bulk-in status %d ep %02X len %d id %"PRIu64"\n", |
| 1956 |
buffered_bulk_packet->status, ep, data_len, id); |
| 1957 |
|
| 1958 |
if (dev->endpoint[EP2I(ep)].type != USB_ENDPOINT_XFER_BULK) {
|
| 1959 |
ERROR("received buffered-bulk packet for non bulk ep %02X\n", ep);
|
| 1960 |
free(data); |
| 1961 |
return;
|
| 1962 |
} |
| 1963 |
|
| 1964 |
if (dev->endpoint[EP2I(ep)].bulk_receiving_started == 0) { |
| 1965 |
DPRINTF("received buffered-bulk packet on not started ep %02X\n", ep);
|
| 1966 |
free(data); |
| 1967 |
return;
|
| 1968 |
} |
| 1969 |
|
| 1970 |
/* Data must be in maxp chunks for buffered_bulk_add_*_data_to_packet */
|
| 1971 |
len = dev->endpoint[EP2I(ep)].max_packet_size; |
| 1972 |
status = usb_redir_success; |
| 1973 |
free_on_destroy = NULL;
|
| 1974 |
for (i = 0; i < data_len; i += len) { |
| 1975 |
if (len >= (data_len - i)) {
|
| 1976 |
len = data_len - i; |
| 1977 |
status = buffered_bulk_packet->status; |
| 1978 |
free_on_destroy = data; |
| 1979 |
} |
| 1980 |
/* bufp_alloc also adds the packet to the ep queue */
|
| 1981 |
bufp_alloc(dev, data + i, len, status, ep, free_on_destroy); |
| 1982 |
} |
| 1983 |
|
| 1984 |
if (dev->endpoint[EP2I(ep)].pending_async_packet) {
|
| 1985 |
USBPacket *p = dev->endpoint[EP2I(ep)].pending_async_packet; |
| 1986 |
dev->endpoint[EP2I(ep)].pending_async_packet = NULL;
|
| 1987 |
usbredir_buffered_bulk_in_complete(dev, p, ep); |
| 1988 |
usb_packet_complete(&dev->dev, p); |
| 1989 |
} |
| 1990 |
} |
| 1991 |
|
| 1992 |
/*
|
| 1993 |
* Migration code
|
| 1994 |
*/
|
| 1995 |
|
| 1996 |
static void usbredir_pre_save(void *priv) |
| 1997 |
{
|
| 1998 |
USBRedirDevice *dev = priv; |
| 1999 |
|
| 2000 |
usbredir_fill_already_in_flight(dev); |
| 2001 |
} |
| 2002 |
|
| 2003 |
static int usbredir_post_load(void *priv, int version_id) |
| 2004 |
{
|
| 2005 |
USBRedirDevice *dev = priv; |
| 2006 |
|
| 2007 |
if (dev->parser == NULL) { |
| 2008 |
return 0; |
| 2009 |
} |
| 2010 |
|
| 2011 |
switch (dev->device_info.speed) {
|
| 2012 |
case usb_redir_speed_low:
|
| 2013 |
dev->dev.speed = USB_SPEED_LOW; |
| 2014 |
break;
|
| 2015 |
case usb_redir_speed_full:
|
| 2016 |
dev->dev.speed = USB_SPEED_FULL; |
| 2017 |
break;
|
| 2018 |
case usb_redir_speed_high:
|
| 2019 |
dev->dev.speed = USB_SPEED_HIGH; |
| 2020 |
break;
|
| 2021 |
case usb_redir_speed_super:
|
| 2022 |
dev->dev.speed = USB_SPEED_SUPER; |
| 2023 |
break;
|
| 2024 |
default:
|
| 2025 |
dev->dev.speed = USB_SPEED_FULL; |
| 2026 |
} |
| 2027 |
dev->dev.speedmask = (1 << dev->dev.speed);
|
| 2028 |
|
| 2029 |
usbredir_setup_usb_eps(dev); |
| 2030 |
usbredir_check_bulk_receiving(dev); |
| 2031 |
|
| 2032 |
return 0; |
| 2033 |
} |
| 2034 |
|
| 2035 |
/* For usbredirparser migration */
|
| 2036 |
static void usbredir_put_parser(QEMUFile *f, void *priv, size_t unused) |
| 2037 |
{
|
| 2038 |
USBRedirDevice *dev = priv; |
| 2039 |
uint8_t *data; |
| 2040 |
int len;
|
| 2041 |
|
| 2042 |
if (dev->parser == NULL) { |
| 2043 |
qemu_put_be32(f, 0);
|
| 2044 |
return;
|
| 2045 |
} |
| 2046 |
|
| 2047 |
usbredirparser_serialize(dev->parser, &data, &len); |
| 2048 |
qemu_oom_check(data); |
| 2049 |
|
| 2050 |
qemu_put_be32(f, len); |
| 2051 |
qemu_put_buffer(f, data, len); |
| 2052 |
|
| 2053 |
free(data); |
| 2054 |
} |
| 2055 |
|
| 2056 |
static int usbredir_get_parser(QEMUFile *f, void *priv, size_t unused) |
| 2057 |
{
|
| 2058 |
USBRedirDevice *dev = priv; |
| 2059 |
uint8_t *data; |
| 2060 |
int len, ret;
|
| 2061 |
|
| 2062 |
len = qemu_get_be32(f); |
| 2063 |
if (len == 0) { |
| 2064 |
return 0; |
| 2065 |
} |
| 2066 |
|
| 2067 |
/*
|
| 2068 |
* If our chardev is not open already at this point the usbredir connection
|
| 2069 |
* has been broken (non seamless migration, or restore from disk).
|
| 2070 |
*
|
| 2071 |
* In this case create a temporary parser to receive the migration data,
|
| 2072 |
* and schedule the close_bh to report the device as disconnected to the
|
| 2073 |
* guest and to destroy the parser again.
|
| 2074 |
*/
|
| 2075 |
if (dev->parser == NULL) { |
| 2076 |
WARNING("usb-redir connection broken during migration\n");
|
| 2077 |
usbredir_create_parser(dev); |
| 2078 |
qemu_bh_schedule(dev->chardev_close_bh); |
| 2079 |
} |
| 2080 |
|
| 2081 |
data = g_malloc(len); |
| 2082 |
qemu_get_buffer(f, data, len); |
| 2083 |
|
| 2084 |
ret = usbredirparser_unserialize(dev->parser, data, len); |
| 2085 |
|
| 2086 |
g_free(data); |
| 2087 |
|
| 2088 |
return ret;
|
| 2089 |
} |
| 2090 |
|
| 2091 |
static const VMStateInfo usbredir_parser_vmstate_info = { |
| 2092 |
.name = "usb-redir-parser",
|
| 2093 |
.put = usbredir_put_parser, |
| 2094 |
.get = usbredir_get_parser, |
| 2095 |
}; |
| 2096 |
|
| 2097 |
|
| 2098 |
/* For buffered packets (iso/irq) queue migration */
|
| 2099 |
static void usbredir_put_bufpq(QEMUFile *f, void *priv, size_t unused) |
| 2100 |
{
|
| 2101 |
struct endp_data *endp = priv;
|
| 2102 |
USBRedirDevice *dev = endp->dev; |
| 2103 |
struct buf_packet *bufp;
|
| 2104 |
int len, i = 0; |
| 2105 |
|
| 2106 |
qemu_put_be32(f, endp->bufpq_size); |
| 2107 |
QTAILQ_FOREACH(bufp, &endp->bufpq, next) {
|
| 2108 |
len = bufp->len - bufp->offset; |
| 2109 |
DPRINTF("put_bufpq %d/%d len %d status %d\n", i + 1, endp->bufpq_size, |
| 2110 |
len, bufp->status); |
| 2111 |
qemu_put_be32(f, len); |
| 2112 |
qemu_put_be32(f, bufp->status); |
| 2113 |
qemu_put_buffer(f, bufp->data + bufp->offset, len); |
| 2114 |
i++; |
| 2115 |
} |
| 2116 |
assert(i == endp->bufpq_size); |
| 2117 |
} |
| 2118 |
|
| 2119 |
static int usbredir_get_bufpq(QEMUFile *f, void *priv, size_t unused) |
| 2120 |
{
|
| 2121 |
struct endp_data *endp = priv;
|
| 2122 |
USBRedirDevice *dev = endp->dev; |
| 2123 |
struct buf_packet *bufp;
|
| 2124 |
int i;
|
| 2125 |
|
| 2126 |
endp->bufpq_size = qemu_get_be32(f); |
| 2127 |
for (i = 0; i < endp->bufpq_size; i++) { |
| 2128 |
bufp = g_malloc(sizeof(struct buf_packet)); |
| 2129 |
bufp->len = qemu_get_be32(f); |
| 2130 |
bufp->status = qemu_get_be32(f); |
| 2131 |
bufp->offset = 0;
|
| 2132 |
bufp->data = qemu_oom_check(malloc(bufp->len)); /* regular malloc! */
|
| 2133 |
bufp->free_on_destroy = bufp->data; |
| 2134 |
qemu_get_buffer(f, bufp->data, bufp->len); |
| 2135 |
QTAILQ_INSERT_TAIL(&endp->bufpq, bufp, next); |
| 2136 |
DPRINTF("get_bufpq %d/%d len %d status %d\n", i + 1, endp->bufpq_size, |
| 2137 |
bufp->len, bufp->status); |
| 2138 |
} |
| 2139 |
return 0; |
| 2140 |
} |
| 2141 |
|
| 2142 |
static const VMStateInfo usbredir_ep_bufpq_vmstate_info = { |
| 2143 |
.name = "usb-redir-bufpq",
|
| 2144 |
.put = usbredir_put_bufpq, |
| 2145 |
.get = usbredir_get_bufpq, |
| 2146 |
}; |
| 2147 |
|
| 2148 |
|
| 2149 |
/* For endp_data migration */
|
| 2150 |
static const VMStateDescription usbredir_bulk_receiving_vmstate = { |
| 2151 |
.name = "usb-redir-ep/bulk-receiving",
|
| 2152 |
.version_id = 1,
|
| 2153 |
.minimum_version_id = 1,
|
| 2154 |
.fields = (VMStateField[]) {
|
| 2155 |
VMSTATE_UINT8(bulk_receiving_started, struct endp_data),
|
| 2156 |
VMSTATE_END_OF_LIST() |
| 2157 |
} |
| 2158 |
}; |
| 2159 |
|
| 2160 |
static bool usbredir_bulk_receiving_needed(void *priv) |
| 2161 |
{
|
| 2162 |
struct endp_data *endp = priv;
|
| 2163 |
|
| 2164 |
return endp->bulk_receiving_started;
|
| 2165 |
} |
| 2166 |
|
| 2167 |
static const VMStateDescription usbredir_ep_vmstate = { |
| 2168 |
.name = "usb-redir-ep",
|
| 2169 |
.version_id = 1,
|
| 2170 |
.minimum_version_id = 1,
|
| 2171 |
.fields = (VMStateField[]) {
|
| 2172 |
VMSTATE_UINT8(type, struct endp_data),
|
| 2173 |
VMSTATE_UINT8(interval, struct endp_data),
|
| 2174 |
VMSTATE_UINT8(interface, struct endp_data),
|
| 2175 |
VMSTATE_UINT16(max_packet_size, struct endp_data),
|
| 2176 |
VMSTATE_UINT8(iso_started, struct endp_data),
|
| 2177 |
VMSTATE_UINT8(iso_error, struct endp_data),
|
| 2178 |
VMSTATE_UINT8(interrupt_started, struct endp_data),
|
| 2179 |
VMSTATE_UINT8(interrupt_error, struct endp_data),
|
| 2180 |
VMSTATE_UINT8(bufpq_prefilled, struct endp_data),
|
| 2181 |
VMSTATE_UINT8(bufpq_dropping_packets, struct endp_data),
|
| 2182 |
{
|
| 2183 |
.name = "bufpq",
|
| 2184 |
.version_id = 0,
|
| 2185 |
.field_exists = NULL,
|
| 2186 |
.size = 0,
|
| 2187 |
.info = &usbredir_ep_bufpq_vmstate_info, |
| 2188 |
.flags = VMS_SINGLE, |
| 2189 |
.offset = 0,
|
| 2190 |
}, |
| 2191 |
VMSTATE_INT32(bufpq_target_size, struct endp_data),
|
| 2192 |
VMSTATE_END_OF_LIST() |
| 2193 |
}, |
| 2194 |
.subsections = (VMStateSubsection[]) {
|
| 2195 |
{
|
| 2196 |
.vmsd = &usbredir_bulk_receiving_vmstate, |
| 2197 |
.needed = usbredir_bulk_receiving_needed, |
| 2198 |
}, {
|
| 2199 |
/* empty */
|
| 2200 |
} |
| 2201 |
} |
| 2202 |
}; |
| 2203 |
|
| 2204 |
|
| 2205 |
/* For PacketIdQueue migration */
|
| 2206 |
static void usbredir_put_packet_id_q(QEMUFile *f, void *priv, size_t unused) |
| 2207 |
{
|
| 2208 |
struct PacketIdQueue *q = priv;
|
| 2209 |
USBRedirDevice *dev = q->dev; |
| 2210 |
struct PacketIdQueueEntry *e;
|
| 2211 |
int remain = q->size;
|
| 2212 |
|
| 2213 |
DPRINTF("put_packet_id_q %s size %d\n", q->name, q->size);
|
| 2214 |
qemu_put_be32(f, q->size); |
| 2215 |
QTAILQ_FOREACH(e, &q->head, next) {
|
| 2216 |
qemu_put_be64(f, e->id); |
| 2217 |
remain--; |
| 2218 |
} |
| 2219 |
assert(remain == 0);
|
| 2220 |
} |
| 2221 |
|
| 2222 |
static int usbredir_get_packet_id_q(QEMUFile *f, void *priv, size_t unused) |
| 2223 |
{
|
| 2224 |
struct PacketIdQueue *q = priv;
|
| 2225 |
USBRedirDevice *dev = q->dev; |
| 2226 |
int i, size;
|
| 2227 |
uint64_t id; |
| 2228 |
|
| 2229 |
size = qemu_get_be32(f); |
| 2230 |
DPRINTF("get_packet_id_q %s size %d\n", q->name, size);
|
| 2231 |
for (i = 0; i < size; i++) { |
| 2232 |
id = qemu_get_be64(f); |
| 2233 |
packet_id_queue_add(q, id); |
| 2234 |
} |
| 2235 |
assert(q->size == size); |
| 2236 |
return 0; |
| 2237 |
} |
| 2238 |
|
| 2239 |
static const VMStateInfo usbredir_ep_packet_id_q_vmstate_info = { |
| 2240 |
.name = "usb-redir-packet-id-q",
|
| 2241 |
.put = usbredir_put_packet_id_q, |
| 2242 |
.get = usbredir_get_packet_id_q, |
| 2243 |
}; |
| 2244 |
|
| 2245 |
static const VMStateDescription usbredir_ep_packet_id_queue_vmstate = { |
| 2246 |
.name = "usb-redir-packet-id-queue",
|
| 2247 |
.version_id = 1,
|
| 2248 |
.minimum_version_id = 1,
|
| 2249 |
.fields = (VMStateField[]) {
|
| 2250 |
{
|
| 2251 |
.name = "queue",
|
| 2252 |
.version_id = 0,
|
| 2253 |
.field_exists = NULL,
|
| 2254 |
.size = 0,
|
| 2255 |
.info = &usbredir_ep_packet_id_q_vmstate_info, |
| 2256 |
.flags = VMS_SINGLE, |
| 2257 |
.offset = 0,
|
| 2258 |
}, |
| 2259 |
VMSTATE_END_OF_LIST() |
| 2260 |
} |
| 2261 |
}; |
| 2262 |
|
| 2263 |
|
| 2264 |
/* For usb_redir_device_connect_header migration */
|
| 2265 |
static const VMStateDescription usbredir_device_info_vmstate = { |
| 2266 |
.name = "usb-redir-device-info",
|
| 2267 |
.version_id = 1,
|
| 2268 |
.minimum_version_id = 1,
|
| 2269 |
.fields = (VMStateField[]) {
|
| 2270 |
VMSTATE_UINT8(speed, struct usb_redir_device_connect_header),
|
| 2271 |
VMSTATE_UINT8(device_class, struct usb_redir_device_connect_header),
|
| 2272 |
VMSTATE_UINT8(device_subclass, struct usb_redir_device_connect_header),
|
| 2273 |
VMSTATE_UINT8(device_protocol, struct usb_redir_device_connect_header),
|
| 2274 |
VMSTATE_UINT16(vendor_id, struct usb_redir_device_connect_header),
|
| 2275 |
VMSTATE_UINT16(product_id, struct usb_redir_device_connect_header),
|
| 2276 |
VMSTATE_UINT16(device_version_bcd, |
| 2277 |
struct usb_redir_device_connect_header),
|
| 2278 |
VMSTATE_END_OF_LIST() |
| 2279 |
} |
| 2280 |
}; |
| 2281 |
|
| 2282 |
|
| 2283 |
/* For usb_redir_interface_info_header migration */
|
| 2284 |
static const VMStateDescription usbredir_interface_info_vmstate = { |
| 2285 |
.name = "usb-redir-interface-info",
|
| 2286 |
.version_id = 1,
|
| 2287 |
.minimum_version_id = 1,
|
| 2288 |
.fields = (VMStateField[]) {
|
| 2289 |
VMSTATE_UINT32(interface_count, |
| 2290 |
struct usb_redir_interface_info_header),
|
| 2291 |
VMSTATE_UINT8_ARRAY(interface, |
| 2292 |
struct usb_redir_interface_info_header, 32), |
| 2293 |
VMSTATE_UINT8_ARRAY(interface_class, |
| 2294 |
struct usb_redir_interface_info_header, 32), |
| 2295 |
VMSTATE_UINT8_ARRAY(interface_subclass, |
| 2296 |
struct usb_redir_interface_info_header, 32), |
| 2297 |
VMSTATE_UINT8_ARRAY(interface_protocol, |
| 2298 |
struct usb_redir_interface_info_header, 32), |
| 2299 |
VMSTATE_END_OF_LIST() |
| 2300 |
} |
| 2301 |
}; |
| 2302 |
|
| 2303 |
|
| 2304 |
/* And finally the USBRedirDevice vmstate itself */
|
| 2305 |
static const VMStateDescription usbredir_vmstate = { |
| 2306 |
.name = "usb-redir",
|
| 2307 |
.version_id = 1,
|
| 2308 |
.minimum_version_id = 1,
|
| 2309 |
.pre_save = usbredir_pre_save, |
| 2310 |
.post_load = usbredir_post_load, |
| 2311 |
.fields = (VMStateField[]) {
|
| 2312 |
VMSTATE_USB_DEVICE(dev, USBRedirDevice), |
| 2313 |
VMSTATE_TIMER(attach_timer, USBRedirDevice), |
| 2314 |
{
|
| 2315 |
.name = "parser",
|
| 2316 |
.version_id = 0,
|
| 2317 |
.field_exists = NULL,
|
| 2318 |
.size = 0,
|
| 2319 |
.info = &usbredir_parser_vmstate_info, |
| 2320 |
.flags = VMS_SINGLE, |
| 2321 |
.offset = 0,
|
| 2322 |
}, |
| 2323 |
VMSTATE_STRUCT_ARRAY(endpoint, USBRedirDevice, MAX_ENDPOINTS, 1,
|
| 2324 |
usbredir_ep_vmstate, struct endp_data),
|
| 2325 |
VMSTATE_STRUCT(cancelled, USBRedirDevice, 1,
|
| 2326 |
usbredir_ep_packet_id_queue_vmstate, |
| 2327 |
struct PacketIdQueue),
|
| 2328 |
VMSTATE_STRUCT(already_in_flight, USBRedirDevice, 1,
|
| 2329 |
usbredir_ep_packet_id_queue_vmstate, |
| 2330 |
struct PacketIdQueue),
|
| 2331 |
VMSTATE_STRUCT(device_info, USBRedirDevice, 1,
|
| 2332 |
usbredir_device_info_vmstate, |
| 2333 |
struct usb_redir_device_connect_header),
|
| 2334 |
VMSTATE_STRUCT(interface_info, USBRedirDevice, 1,
|
| 2335 |
usbredir_interface_info_vmstate, |
| 2336 |
struct usb_redir_interface_info_header),
|
| 2337 |
VMSTATE_END_OF_LIST() |
| 2338 |
} |
| 2339 |
}; |
| 2340 |
|
| 2341 |
static Property usbredir_properties[] = {
|
| 2342 |
DEFINE_PROP_CHR("chardev", USBRedirDevice, cs),
|
| 2343 |
DEFINE_PROP_UINT8("debug", USBRedirDevice, debug, usbredirparser_warning),
|
| 2344 |
DEFINE_PROP_STRING("filter", USBRedirDevice, filter_str),
|
| 2345 |
DEFINE_PROP_INT32("bootindex", USBRedirDevice, bootindex, -1), |
| 2346 |
DEFINE_PROP_END_OF_LIST(), |
| 2347 |
}; |
| 2348 |
|
| 2349 |
static void usbredir_class_initfn(ObjectClass *klass, void *data) |
| 2350 |
{
|
| 2351 |
USBDeviceClass *uc = USB_DEVICE_CLASS(klass); |
| 2352 |
DeviceClass *dc = DEVICE_CLASS(klass); |
| 2353 |
|
| 2354 |
uc->init = usbredir_initfn; |
| 2355 |
uc->product_desc = "USB Redirection Device";
|
| 2356 |
uc->handle_destroy = usbredir_handle_destroy; |
| 2357 |
uc->cancel_packet = usbredir_cancel_packet; |
| 2358 |
uc->handle_reset = usbredir_handle_reset; |
| 2359 |
uc->handle_data = usbredir_handle_data; |
| 2360 |
uc->handle_control = usbredir_handle_control; |
| 2361 |
uc->flush_ep_queue = usbredir_flush_ep_queue; |
| 2362 |
uc->ep_stopped = usbredir_ep_stopped; |
| 2363 |
dc->vmsd = &usbredir_vmstate; |
| 2364 |
dc->props = usbredir_properties; |
| 2365 |
} |
| 2366 |
|
| 2367 |
static const TypeInfo usbredir_dev_info = { |
| 2368 |
.name = "usb-redir",
|
| 2369 |
.parent = TYPE_USB_DEVICE, |
| 2370 |
.instance_size = sizeof(USBRedirDevice),
|
| 2371 |
.class_init = usbredir_class_initfn, |
| 2372 |
}; |
| 2373 |
|
| 2374 |
static void usbredir_register_types(void) |
| 2375 |
{
|
| 2376 |
type_register_static(&usbredir_dev_info); |
| 2377 |
} |
| 2378 |
|
| 2379 |
type_init(usbredir_register_types) |