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/*
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* BSD host USB redirector
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*
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* Copyright (c) 2006 Lonnie Mendez
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* Portions of code and concepts borrowed from
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* usb-linux.c and libusb's bsd.c and are copyright their respective owners.
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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 "monitor.h" |
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#include "hw/usb.h" |
30 |
|
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/* usb.h declares these */
|
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#undef USB_SPEED_HIGH
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#undef USB_SPEED_FULL
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#undef USB_SPEED_LOW
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#include <sys/ioctl.h> |
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#ifndef __DragonFly__
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#include <dev/usb/usb.h> |
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#else
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#include <bus/usb/usb.h> |
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#endif
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#include <signal.h> |
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|
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/* This value has maximum potential at 16.
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* You should also set hw.usb.debug to gain
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* more detailed view.
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*/
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//#define DEBUG
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#define UGEN_DEBUG_LEVEL 0 |
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|
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|
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typedef int USBScanFunc(void *opaque, int bus_num, int addr, int class_id, |
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int vendor_id, int product_id, |
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const char *product_name, int speed); |
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static int usb_host_find_device(int *pbus_num, int *paddr, |
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const char *devname); |
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|
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typedef struct USBHostDevice { |
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USBDevice dev; |
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int ep_fd[USB_MAX_ENDPOINTS];
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int devfd;
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char devpath[32]; |
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} USBHostDevice; |
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|
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|
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#if 0
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static int ensure_ep_open(USBHostDevice *dev, int ep, int mode)
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{
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char buf[32];
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int fd;
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|
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/* Get the address for this endpoint */
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ep = UE_GET_ADDR(ep);
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|
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if (dev->ep_fd[ep] < 0) {
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#if defined(__FreeBSD__) || defined(__DragonFly__)
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snprintf(buf, sizeof(buf) - 1, "%s.%d", dev->devpath, ep);
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#else
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snprintf(buf, sizeof(buf) - 1, "%s.%02d", dev->devpath, ep); |
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#endif
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/* Try to open it O_RDWR first for those devices which have in and out
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* endpoints with the same address (eg 0x02 and 0x82)
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*/
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fd = open(buf, O_RDWR); |
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if (fd < 0 && errno == ENXIO) |
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fd = open(buf, mode); |
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if (fd < 0) { |
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#ifdef DEBUG
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printf("ensure_ep_open: failed to open device endpoint %s: %s\n",
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buf, strerror(errno)); |
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#endif
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} |
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dev->ep_fd[ep] = fd; |
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} |
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|
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return dev->ep_fd[ep];
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} |
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|
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static void ensure_eps_closed(USBHostDevice *dev) |
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{ |
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int epnum = 1; |
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|
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if (!dev)
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return;
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|
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while (epnum < USB_MAX_ENDPOINTS) {
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if (dev->ep_fd[epnum] >= 0) { |
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close(dev->ep_fd[epnum]); |
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dev->ep_fd[epnum] = -1;
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} |
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epnum++; |
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} |
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} |
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#endif
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|
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static void usb_host_handle_reset(USBDevice *dev) |
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{ |
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#if 0
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USBHostDevice *s = (USBHostDevice *)dev;
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#endif
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} |
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#if 0
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/* XXX:
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* -check device states against transfer requests
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* and return appropriate response
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*/
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static int usb_host_handle_control(USBDevice *dev,
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int request,
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int value,
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int index,
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int length,
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uint8_t *data)
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{
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USBHostDevice *s = (USBHostDevice *)dev;
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struct usb_ctl_request req;
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struct usb_alt_interface aiface;
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int ret, timeout = 50;
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if ((request >> 8) == UT_WRITE_DEVICE &&
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(request & 0xff) == UR_SET_ADDRESS) {
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/* specific SET_ADDRESS support */
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dev->addr = value;
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return 0;
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} else if ((request >> 8) == UT_WRITE_DEVICE &&
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(request & 0xff) == UR_SET_CONFIG) {
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ensure_eps_closed(s); /* can't do this without all eps closed */
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ret = ioctl(s->devfd, USB_SET_CONFIG, &value);
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if (ret < 0) {
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#ifdef DEBUG
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printf("handle_control: failed to set configuration - %s\n",
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strerror(errno));
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#endif
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return USB_RET_STALL;
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} |
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return 0; |
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} else if ((request >> 8) == UT_WRITE_INTERFACE && |
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(request & 0xff) == UR_SET_INTERFACE) {
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aiface.uai_interface_index = index; |
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aiface.uai_alt_no = value; |
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ensure_eps_closed(s); /* can't do this without all eps closed */
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ret = ioctl(s->devfd, USB_SET_ALTINTERFACE, &aiface); |
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if (ret < 0) { |
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#ifdef DEBUG
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printf("handle_control: failed to set alternate interface - %s\n",
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strerror(errno)); |
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#endif
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return USB_RET_STALL;
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} |
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return 0; |
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} else {
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req.ucr_request.bmRequestType = request >> 8;
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req.ucr_request.bRequest = request & 0xff;
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USETW(req.ucr_request.wValue, value); |
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USETW(req.ucr_request.wIndex, index); |
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USETW(req.ucr_request.wLength, length); |
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req.ucr_data = data; |
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req.ucr_flags = USBD_SHORT_XFER_OK; |
186 |
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ret = ioctl(s->devfd, USB_SET_TIMEOUT, &timeout); |
188 |
#if defined(__NetBSD__) || defined(__OpenBSD__)
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if (ret < 0 && errno != EINVAL) { |
190 |
#else
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if (ret < 0) { |
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#endif
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#ifdef DEBUG
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printf("handle_control: setting timeout failed - %s\n",
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strerror(errno)); |
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#endif
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} |
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ret = ioctl(s->devfd, USB_DO_REQUEST, &req); |
200 |
/* ugen returns EIO for usbd_do_request_ no matter what
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* happens with the transfer */
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if (ret < 0) { |
203 |
#ifdef DEBUG
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printf("handle_control: error after request - %s\n",
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strerror(errno)); |
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#endif
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return USB_RET_NAK; // STALL |
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} else {
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return req.ucr_actlen;
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} |
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} |
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} |
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static int usb_host_handle_data(USBDevice *dev, USBPacket *p) |
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{ |
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USBHostDevice *s = (USBHostDevice *)dev; |
217 |
int ret, fd, mode;
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int one = 1, shortpacket = 0, timeout = 50; |
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sigset_t new_mask, old_mask; |
220 |
uint8_t devep = p->devep; |
221 |
|
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/* protect data transfers from SIGALRM signal */
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sigemptyset(&new_mask); |
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sigaddset(&new_mask, SIGALRM); |
225 |
sigprocmask(SIG_BLOCK, &new_mask, &old_mask); |
226 |
|
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if (p->pid == USB_TOKEN_IN) {
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devep |= 0x80;
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mode = O_RDONLY; |
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shortpacket = 1;
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} else {
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mode = O_WRONLY; |
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} |
234 |
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fd = ensure_ep_open(s, devep, mode); |
236 |
if (fd < 0) { |
237 |
sigprocmask(SIG_SETMASK, &old_mask, NULL);
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return USB_RET_NODEV;
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} |
240 |
|
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if (ioctl(fd, USB_SET_TIMEOUT, &timeout) < 0) { |
242 |
#ifdef DEBUG
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printf("handle_data: failed to set timeout - %s\n",
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strerror(errno)); |
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#endif
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} |
247 |
|
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if (shortpacket) {
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if (ioctl(fd, USB_SET_SHORT_XFER, &one) < 0) { |
250 |
#ifdef DEBUG
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printf("handle_data: failed to set short xfer mode - %s\n",
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strerror(errno)); |
253 |
#endif
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sigprocmask(SIG_SETMASK, &old_mask, NULL);
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} |
256 |
} |
257 |
|
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if (p->pid == USB_TOKEN_IN)
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ret = read(fd, p->data, p->len); |
260 |
else
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ret = write(fd, p->data, p->len); |
262 |
|
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sigprocmask(SIG_SETMASK, &old_mask, NULL);
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|
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if (ret < 0) { |
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#ifdef DEBUG
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printf("handle_data: error after %s data - %s\n",
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pid == USB_TOKEN_IN ? "reading" : "writing", strerror(errno)); |
269 |
#endif
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switch(errno) {
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case ETIMEDOUT:
|
272 |
case EINTR:
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return USB_RET_NAK;
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default:
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return USB_RET_STALL;
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} |
277 |
} else {
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return ret;
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} |
280 |
} |
281 |
#endif
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282 |
|
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static void usb_host_handle_destroy(USBDevice *opaque) |
284 |
{ |
285 |
USBHostDevice *s = (USBHostDevice *)opaque; |
286 |
int i;
|
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|
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for (i = 0; i < USB_MAX_ENDPOINTS; i++) |
289 |
if (s->ep_fd[i] >= 0) |
290 |
close(s->ep_fd[i]); |
291 |
|
292 |
if (s->devfd < 0) |
293 |
return;
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294 |
|
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close(s->devfd); |
296 |
|
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qemu_free(s); |
298 |
} |
299 |
|
300 |
static int usb_host_initfn(USBDevice *dev) |
301 |
{ |
302 |
return 0; |
303 |
} |
304 |
|
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USBDevice *usb_host_device_open(const char *devname) |
306 |
{ |
307 |
struct usb_device_info bus_info, dev_info;
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USBDevice *d = NULL;
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USBHostDevice *dev; |
310 |
char ctlpath[PATH_MAX + 1]; |
311 |
char buspath[PATH_MAX + 1]; |
312 |
int bfd, dfd, bus, address, i;
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int ugendebug = UGEN_DEBUG_LEVEL;
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314 |
|
315 |
if (usb_host_find_device(&bus, &address, devname) < 0) |
316 |
return NULL; |
317 |
|
318 |
snprintf(buspath, PATH_MAX, "/dev/usb%d", bus);
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319 |
|
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bfd = open(buspath, O_RDWR); |
321 |
if (bfd < 0) { |
322 |
#ifdef DEBUG
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323 |
printf("usb_host_device_open: failed to open usb bus - %s\n",
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324 |
strerror(errno)); |
325 |
#endif
|
326 |
return NULL; |
327 |
} |
328 |
|
329 |
bus_info.udi_addr = address; |
330 |
if (ioctl(bfd, USB_DEVICEINFO, &bus_info) < 0) { |
331 |
#ifdef DEBUG
|
332 |
printf("usb_host_device_open: failed to grab bus information - %s\n",
|
333 |
strerror(errno)); |
334 |
#endif
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return NULL; |
336 |
} |
337 |
|
338 |
#if defined(__FreeBSD__) || defined(__DragonFly__)
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339 |
snprintf(ctlpath, PATH_MAX, "/dev/%s", bus_info.udi_devnames[0]); |
340 |
#else
|
341 |
snprintf(ctlpath, PATH_MAX, "/dev/%s.00", bus_info.udi_devnames[0]); |
342 |
#endif
|
343 |
|
344 |
dfd = open(ctlpath, O_RDWR); |
345 |
if (dfd < 0) { |
346 |
dfd = open(ctlpath, O_RDONLY); |
347 |
if (dfd < 0) { |
348 |
#ifdef DEBUG
|
349 |
printf("usb_host_device_open: failed to open usb device %s - %s\n",
|
350 |
ctlpath, strerror(errno)); |
351 |
#endif
|
352 |
} |
353 |
} |
354 |
|
355 |
if (dfd >= 0) { |
356 |
if (ioctl(dfd, USB_GET_DEVICEINFO, &dev_info) < 0) { |
357 |
#ifdef DEBUG
|
358 |
printf("usb_host_device_open: failed to grab device info - %s\n",
|
359 |
strerror(errno)); |
360 |
#endif
|
361 |
goto fail;
|
362 |
} |
363 |
|
364 |
d = usb_create(NULL /* FIXME */, "USB Host Device"); |
365 |
dev = DO_UPCAST(USBHostDevice, dev, d); |
366 |
|
367 |
if (dev_info.udi_speed == 1) |
368 |
dev->dev.speed = USB_SPEED_LOW - 1;
|
369 |
else
|
370 |
dev->dev.speed = USB_SPEED_FULL - 1;
|
371 |
|
372 |
if (strncmp(dev_info.udi_product, "product", 7) != 0) |
373 |
pstrcpy(dev->dev.devname, sizeof(dev->dev.devname),
|
374 |
dev_info.udi_product); |
375 |
else
|
376 |
snprintf(dev->dev.devname, sizeof(dev->dev.devname),
|
377 |
"host:%s", devname);
|
378 |
|
379 |
pstrcpy(dev->devpath, sizeof(dev->devpath), "/dev/"); |
380 |
pstrcat(dev->devpath, sizeof(dev->devpath), dev_info.udi_devnames[0]); |
381 |
|
382 |
/* Mark the endpoints as not yet open */
|
383 |
for (i = 0; i < USB_MAX_ENDPOINTS; i++) |
384 |
dev->ep_fd[i] = -1;
|
385 |
|
386 |
ioctl(dfd, USB_SETDEBUG, &ugendebug); |
387 |
|
388 |
return (USBDevice *)dev;
|
389 |
} |
390 |
|
391 |
fail:
|
392 |
return NULL; |
393 |
} |
394 |
|
395 |
static struct USBDeviceInfo usb_host_dev_info = { |
396 |
.qdev.name = "USB Host Device",
|
397 |
.qdev.size = sizeof(USBHostDevice),
|
398 |
.init = usb_host_initfn, |
399 |
.handle_packet = usb_generic_handle_packet, |
400 |
.handle_reset = usb_host_handle_reset, |
401 |
#if 0
|
402 |
.handle_control = usb_host_handle_control,
|
403 |
.handle_data = usb_host_handle_data,
|
404 |
#endif
|
405 |
.handle_destroy = usb_host_handle_destroy, |
406 |
}; |
407 |
|
408 |
static void usb_host_register_devices(void) |
409 |
{ |
410 |
usb_qdev_register(&usb_host_dev_info); |
411 |
} |
412 |
device_init(usb_host_register_devices) |
413 |
|
414 |
static int usb_host_scan(void *opaque, USBScanFunc *func) |
415 |
{ |
416 |
struct usb_device_info bus_info;
|
417 |
struct usb_device_info dev_info;
|
418 |
uint16_t vendor_id, product_id, class_id, speed; |
419 |
int bfd, dfd, bus, address;
|
420 |
char busbuf[20], devbuf[20], product_name[256]; |
421 |
int ret = 0; |
422 |
|
423 |
for (bus = 0; bus < 10; bus++) { |
424 |
|
425 |
snprintf(busbuf, sizeof(busbuf) - 1, "/dev/usb%d", bus); |
426 |
bfd = open(busbuf, O_RDWR); |
427 |
if (bfd < 0) |
428 |
continue;
|
429 |
|
430 |
for (address = 1; address < 127; address++) { |
431 |
|
432 |
bus_info.udi_addr = address; |
433 |
if (ioctl(bfd, USB_DEVICEINFO, &bus_info) < 0) |
434 |
continue;
|
435 |
|
436 |
/* only list devices that can be used by generic layer */
|
437 |
if (strncmp(bus_info.udi_devnames[0], "ugen", 4) != 0) |
438 |
continue;
|
439 |
|
440 |
#if defined(__FreeBSD__) || defined(__DragonFly__)
|
441 |
snprintf(devbuf, sizeof(devbuf) - 1, "/dev/%s", bus_info.udi_devnames[0]); |
442 |
#else
|
443 |
snprintf(devbuf, sizeof(devbuf) - 1, "/dev/%s.00", bus_info.udi_devnames[0]); |
444 |
#endif
|
445 |
|
446 |
dfd = open(devbuf, O_RDONLY); |
447 |
if (dfd < 0) { |
448 |
#ifdef DEBUG
|
449 |
printf("usb_host_scan: couldn't open device %s - %s\n", devbuf,
|
450 |
strerror(errno)); |
451 |
#endif
|
452 |
continue;
|
453 |
} |
454 |
|
455 |
if (ioctl(dfd, USB_GET_DEVICEINFO, &dev_info) < 0) |
456 |
printf("usb_host_scan: couldn't get device information for %s - %s\n",
|
457 |
devbuf, strerror(errno)); |
458 |
|
459 |
// XXX: might need to fixup endianess of word values before copying over
|
460 |
|
461 |
vendor_id = dev_info.udi_vendorNo; |
462 |
product_id = dev_info.udi_productNo; |
463 |
class_id = dev_info.udi_class; |
464 |
speed = dev_info.udi_speed; |
465 |
|
466 |
if (strncmp(dev_info.udi_product, "product", 7) != 0) |
467 |
pstrcpy(product_name, sizeof(product_name),
|
468 |
dev_info.udi_product); |
469 |
else
|
470 |
product_name[0] = '\0'; |
471 |
|
472 |
ret = func(opaque, bus, address, class_id, vendor_id, |
473 |
product_id, product_name, speed); |
474 |
|
475 |
close(dfd); |
476 |
|
477 |
if (ret)
|
478 |
goto the_end;
|
479 |
} |
480 |
|
481 |
close(bfd); |
482 |
} |
483 |
|
484 |
the_end:
|
485 |
return ret;
|
486 |
} |
487 |
|
488 |
typedef struct FindDeviceState { |
489 |
int vendor_id;
|
490 |
int product_id;
|
491 |
int bus_num;
|
492 |
int addr;
|
493 |
} FindDeviceState; |
494 |
|
495 |
static int usb_host_find_device_scan(void *opaque, int bus_num, int addr, |
496 |
int class_id,
|
497 |
int vendor_id, int product_id, |
498 |
const char *product_name, int speed) |
499 |
{ |
500 |
FindDeviceState *s = opaque; |
501 |
if (vendor_id == s->vendor_id &&
|
502 |
product_id == s->product_id) { |
503 |
s->bus_num = bus_num; |
504 |
s->addr = addr; |
505 |
return 1; |
506 |
} else {
|
507 |
return 0; |
508 |
} |
509 |
} |
510 |
|
511 |
|
512 |
/* the syntax is :
|
513 |
'bus.addr' (decimal numbers) or
|
514 |
'vendor_id:product_id' (hexa numbers) */
|
515 |
static int usb_host_find_device(int *pbus_num, int *paddr, |
516 |
const char *devname) |
517 |
{ |
518 |
const char *p; |
519 |
int ret;
|
520 |
FindDeviceState fs; |
521 |
|
522 |
p = strchr(devname, '.');
|
523 |
if (p) {
|
524 |
*pbus_num = strtoul(devname, NULL, 0); |
525 |
*paddr = strtoul(p + 1, NULL, 0); |
526 |
return 0; |
527 |
} |
528 |
p = strchr(devname, ':');
|
529 |
if (p) {
|
530 |
fs.vendor_id = strtoul(devname, NULL, 16); |
531 |
fs.product_id = strtoul(p + 1, NULL, 16); |
532 |
ret = usb_host_scan(&fs, usb_host_find_device_scan); |
533 |
if (ret) {
|
534 |
*pbus_num = fs.bus_num; |
535 |
*paddr = fs.addr; |
536 |
return 0; |
537 |
} |
538 |
} |
539 |
return -1; |
540 |
} |
541 |
|
542 |
/**********************/
|
543 |
/* USB host device info */
|
544 |
|
545 |
struct usb_class_info {
|
546 |
int class;
|
547 |
const char *class_name; |
548 |
}; |
549 |
|
550 |
static const struct usb_class_info usb_class_info[] = { |
551 |
{ USB_CLASS_AUDIO, "Audio"},
|
552 |
{ USB_CLASS_COMM, "Communication"},
|
553 |
{ USB_CLASS_HID, "HID"},
|
554 |
{ USB_CLASS_HUB, "Hub" },
|
555 |
{ USB_CLASS_PHYSICAL, "Physical" },
|
556 |
{ USB_CLASS_PRINTER, "Printer" },
|
557 |
{ USB_CLASS_MASS_STORAGE, "Storage" },
|
558 |
{ USB_CLASS_CDC_DATA, "Data" },
|
559 |
{ USB_CLASS_APP_SPEC, "Application Specific" },
|
560 |
{ USB_CLASS_VENDOR_SPEC, "Vendor Specific" },
|
561 |
{ USB_CLASS_STILL_IMAGE, "Still Image" },
|
562 |
{ USB_CLASS_CSCID, "Smart Card" },
|
563 |
{ USB_CLASS_CONTENT_SEC, "Content Security" },
|
564 |
{ -1, NULL } |
565 |
}; |
566 |
|
567 |
static const char *usb_class_str(uint8_t class) |
568 |
{ |
569 |
const struct usb_class_info *p; |
570 |
for (p = usb_class_info; p->class != -1; p++) { |
571 |
if (p->class == class)
|
572 |
break;
|
573 |
} |
574 |
return p->class_name;
|
575 |
} |
576 |
|
577 |
static void usb_info_device(Monitor *mon, int bus_num, int addr, int class_id, |
578 |
int vendor_id, int product_id, |
579 |
const char *product_name, |
580 |
int speed)
|
581 |
{ |
582 |
const char *class_str, *speed_str; |
583 |
|
584 |
switch(speed) {
|
585 |
case USB_SPEED_LOW:
|
586 |
speed_str = "1.5";
|
587 |
break;
|
588 |
case USB_SPEED_FULL:
|
589 |
speed_str = "12";
|
590 |
break;
|
591 |
case USB_SPEED_HIGH:
|
592 |
speed_str = "480";
|
593 |
break;
|
594 |
default:
|
595 |
speed_str = "?";
|
596 |
break;
|
597 |
} |
598 |
|
599 |
monitor_printf(mon, " Device %d.%d, speed %s Mb/s\n",
|
600 |
bus_num, addr, speed_str); |
601 |
class_str = usb_class_str(class_id); |
602 |
if (class_str)
|
603 |
monitor_printf(mon, " %s:", class_str);
|
604 |
else
|
605 |
monitor_printf(mon, " Class %02x:", class_id);
|
606 |
monitor_printf(mon, " USB device %04x:%04x", vendor_id, product_id);
|
607 |
if (product_name[0] != '\0') |
608 |
monitor_printf(mon, ", %s", product_name);
|
609 |
monitor_printf(mon, "\n");
|
610 |
} |
611 |
|
612 |
static int usb_host_info_device(void *opaque, |
613 |
int bus_num, int addr, |
614 |
int class_id,
|
615 |
int vendor_id, int product_id, |
616 |
const char *product_name, |
617 |
int speed)
|
618 |
{ |
619 |
Monitor *mon = opaque; |
620 |
|
621 |
usb_info_device(mon, bus_num, addr, class_id, vendor_id, product_id, |
622 |
product_name, speed); |
623 |
return 0; |
624 |
} |
625 |
|
626 |
void usb_host_info(Monitor *mon)
|
627 |
{ |
628 |
usb_host_scan(mon, usb_host_info_device); |
629 |
} |
630 |
|
631 |
/* XXX add this */
|
632 |
int usb_host_device_close(const char *devname) |
633 |
{ |
634 |
return 0; |
635 |
} |