[qemu.git] / usb-bsd.c

/*
 * BSD host USB redirector
 *
 * Copyright (c) 2006 Lonnie Mendez
 * Portions of code and concepts borrowed from
 * usb-linux.c and libusb's bsd.c and are copyright their respective owners.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "qemu-common.h"
#include "monitor.h"
#include "hw/usb.h"

/* usb.h declares these */
#undef USB_SPEED_HIGH
#undef USB_SPEED_FULL
#undef USB_SPEED_LOW

#include <sys/ioctl.h>
#ifndef __DragonFly__
#include <dev/usb/usb.h>
#else
#include <bus/usb/usb.h>
#endif
#include <signal.h>

/* This value has maximum potential at 16.
 * You should also set hw.usb.debug to gain
 * more detailed view.
 */
//#define DEBUG
#define UGEN_DEBUG_LEVEL 0


typedef int USBScanFunc(void *opaque, int bus_num, int addr, int class_id,
                        int vendor_id, int product_id,
                        const char *product_name, int speed);
static int usb_host_find_device(int *pbus_num, int *paddr,
                                const char *devname);

typedef struct USBHostDevice {
    USBDevice dev;
    int ep_fd[USB_MAX_ENDPOINTS];
    int devfd;
    char devpath[32];
} USBHostDevice;


static int ensure_ep_open(USBHostDevice *dev, int ep, int mode)
{
    char buf[32];
    int fd;

    /* Get the address for this endpoint */
    ep = UE_GET_ADDR(ep);

    if (dev->ep_fd[ep] < 0) {
#if defined(__FreeBSD__) || defined(__DragonFly__)
        snprintf(buf, sizeof(buf) - 1, "%s.%d", dev->devpath, ep);
#else
        snprintf(buf, sizeof(buf) - 1, "%s.%02d", dev->devpath, ep);
#endif
        /* Try to open it O_RDWR first for those devices which have in and out
         * endpoints with the same address (eg 0x02 and 0x82)
         */
        fd = open(buf, O_RDWR);
        if (fd < 0 && errno == ENXIO)
            fd = open(buf, mode);
        if (fd < 0) {
#ifdef DEBUG
            printf("ensure_ep_open: failed to open device endpoint %s: %s\n",
                   buf, strerror(errno));
#endif
        }
        dev->ep_fd[ep] = fd;
    }

    return dev->ep_fd[ep];
}

static void ensure_eps_closed(USBHostDevice *dev)
{
    int epnum = 1;

    if (!dev)
        return;

    while (epnum < USB_MAX_ENDPOINTS) {
        if (dev->ep_fd[epnum] >= 0) {
            close(dev->ep_fd[epnum]);
            dev->ep_fd[epnum] = -1;
        }
        epnum++;
    }
}

static void usb_host_handle_reset(USBDevice *dev)
{
#if 0
    USBHostDevice *s = (USBHostDevice *)dev;
#endif
}

/* XXX:
 * -check device states against transfer requests
 *  and return appropriate response
 */
static int usb_host_handle_control(USBDevice *dev,
                                   int request,
                                   int value,
                                   int index,
                                   int length,
                                   uint8_t *data)
{
    USBHostDevice *s = (USBHostDevice *)dev;
    struct usb_ctl_request req;
    struct usb_alt_interface aiface;
    int ret, timeout = 50;

    if ((request >> 8) == UT_WRITE_DEVICE &&
        (request & 0xff) == UR_SET_ADDRESS) {

        /* specific SET_ADDRESS support */
        dev->addr = value;
        return 0;
    } else if ((request >> 8) == UT_WRITE_DEVICE &&
               (request & 0xff) == UR_SET_CONFIG) {

        ensure_eps_closed(s); /* can't do this without all eps closed */

        ret = ioctl(s->devfd, USB_SET_CONFIG, &value);
        if (ret < 0) {
#ifdef DEBUG
            printf("handle_control: failed to set configuration - %s\n",
                   strerror(errno));
#endif
            return USB_RET_STALL;
        }

        return 0;
    } else if ((request >> 8) == UT_WRITE_INTERFACE &&
               (request & 0xff) == UR_SET_INTERFACE) {

        aiface.uai_interface_index = index;
        aiface.uai_alt_no = value;

        ensure_eps_closed(s); /* can't do this without all eps closed */
        ret = ioctl(s->devfd, USB_SET_ALTINTERFACE, &aiface);
        if (ret < 0) {
#ifdef DEBUG
            printf("handle_control: failed to set alternate interface - %s\n",
                   strerror(errno));
#endif
            return USB_RET_STALL;
        }

        return 0;
    } else {
        req.ucr_request.bmRequestType = request >> 8;
        req.ucr_request.bRequest = request & 0xff;
        USETW(req.ucr_request.wValue, value);
        USETW(req.ucr_request.wIndex, index);
        USETW(req.ucr_request.wLength, length);
        req.ucr_data = data;
        req.ucr_flags = USBD_SHORT_XFER_OK;

        ret = ioctl(s->devfd, USB_SET_TIMEOUT, &timeout);
#if defined(__NetBSD__) || defined(__OpenBSD__)
        if (ret < 0 && errno != EINVAL) {
#else
        if (ret < 0) {
#endif
#ifdef DEBUG
            printf("handle_control: setting timeout failed - %s\n",
                   strerror(errno));
#endif
        }

        ret = ioctl(s->devfd, USB_DO_REQUEST, &req);
        /* ugen returns EIO for usbd_do_request_ no matter what
         * happens with the transfer */
        if (ret < 0) {
#ifdef DEBUG
            printf("handle_control: error after request - %s\n",
                   strerror(errno));
#endif
            return USB_RET_NAK; // STALL
        } else {
            return req.ucr_actlen;
        }
    }
}

static int usb_host_handle_data(USBDevice *dev, USBPacket *p)
{
    USBHostDevice *s = (USBHostDevice *)dev;
    int ret, fd, mode;
    int one = 1, shortpacket = 0, timeout = 50;
    sigset_t new_mask, old_mask;
    uint8_t devep = p->devep;

    /* protect data transfers from SIGALRM signal */
    sigemptyset(&new_mask);
    sigaddset(&new_mask, SIGALRM);
    sigprocmask(SIG_BLOCK, &new_mask, &old_mask);

    if (p->pid == USB_TOKEN_IN) {
        devep |= 0x80;
        mode = O_RDONLY;
        shortpacket = 1;
    } else {
        mode = O_WRONLY;
    }

    fd = ensure_ep_open(s, devep, mode);
    if (fd < 0) {
        sigprocmask(SIG_SETMASK, &old_mask, NULL);
        return USB_RET_NODEV;
    }

    if (ioctl(fd, USB_SET_TIMEOUT, &timeout) < 0) {
#ifdef DEBUG
        printf("handle_data: failed to set timeout - %s\n",
               strerror(errno));
#endif
    }

    if (shortpacket) {
        if (ioctl(fd, USB_SET_SHORT_XFER, &one) < 0) {
#ifdef DEBUG
            printf("handle_data: failed to set short xfer mode - %s\n",
                   strerror(errno));
#endif
            sigprocmask(SIG_SETMASK, &old_mask, NULL);
        }
    }

    if (p->pid == USB_TOKEN_IN)
        ret = read(fd, p->data, p->len);
    else
        ret = write(fd, p->data, p->len);

    sigprocmask(SIG_SETMASK, &old_mask, NULL);

    if (ret < 0) {
#ifdef DEBUG
        printf("handle_data: error after %s data - %s\n",
               pid == USB_TOKEN_IN ? "reading" : "writing", strerror(errno));
#endif
        switch(errno) {
        case ETIMEDOUT:
        case EINTR:
            return USB_RET_NAK;
        default:
            return USB_RET_STALL;
        }
    } else {
        return ret;
    }
}

static void usb_host_handle_destroy(USBDevice *opaque)
{
    USBHostDevice *s = (USBHostDevice *)opaque;
    int i;

    for (i = 0; i < USB_MAX_ENDPOINTS; i++)
        if (s->ep_fd[i] >= 0)
            close(s->ep_fd[i]);

    if (s->devfd < 0)
        return;

    close(s->devfd);

    qemu_free(s);
}

USBDevice *usb_host_device_open(const char *devname)
{
    struct usb_device_info bus_info, dev_info;
    USBHostDevice *dev;
    char ctlpath[PATH_MAX + 1];
    char buspath[PATH_MAX + 1];
    int bfd, dfd, bus, address, i;
    int ugendebug = UGEN_DEBUG_LEVEL;

    if (usb_host_find_device(&bus, &address, devname) < 0)
        return NULL;

    snprintf(buspath, PATH_MAX, "/dev/usb%d", bus);

    bfd = open(buspath, O_RDWR);
    if (bfd < 0) {
#ifdef DEBUG
        printf("usb_host_device_open: failed to open usb bus - %s\n",
               strerror(errno));
#endif
        return NULL;
    }

    bus_info.udi_addr = address;
    if (ioctl(bfd, USB_DEVICEINFO, &bus_info) < 0) {
#ifdef DEBUG
        printf("usb_host_device_open: failed to grab bus information - %s\n",
               strerror(errno));
#endif
        return NULL;
    }

#if defined(__FreeBSD__) || defined(__DragonFly__)
    snprintf(ctlpath, PATH_MAX, "/dev/%s", bus_info.udi_devnames[0]);
#else
    snprintf(ctlpath, PATH_MAX, "/dev/%s.00", bus_info.udi_devnames[0]);
#endif

    dfd  = open(ctlpath, O_RDWR);
    if (dfd < 0) {
        dfd = open(ctlpath, O_RDONLY);
        if (dfd < 0) {
#ifdef DEBUG
            printf("usb_host_device_open: failed to open usb device %s - %s\n",
                   ctlpath, strerror(errno));
#endif
        }
    }

    if (dfd >= 0) {
        dev = qemu_mallocz(sizeof(USBHostDevice));
        dev->devfd = dfd;

        if (ioctl(dfd, USB_GET_DEVICEINFO, &dev_info) < 0) {
#ifdef DEBUG
            printf("usb_host_device_open: failed to grab device info - %s\n",
                   strerror(errno));
#endif
            goto fail;
        }

        if (dev_info.udi_speed == 1)
            dev->dev.speed = USB_SPEED_LOW - 1;
        else
            dev->dev.speed = USB_SPEED_FULL - 1;

        dev->dev.handle_packet = usb_generic_handle_packet;

        dev->dev.handle_reset = usb_host_handle_reset;
        dev->dev.handle_control = usb_host_handle_control;
        dev->dev.handle_data = usb_host_handle_data;
        dev->dev.handle_destroy = usb_host_handle_destroy;

        if (strncmp(dev_info.udi_product, "product", 7) != 0)
            pstrcpy(dev->dev.devname, sizeof(dev->dev.devname),
                    dev_info.udi_product);
        else
            snprintf(dev->dev.devname, sizeof(dev->dev.devname),
                     "host:%s", devname);

        pstrcpy(dev->devpath, sizeof(dev->devpath), "/dev/");
        pstrcat(dev->devpath, sizeof(dev->devpath), dev_info.udi_devnames[0]);

        /* Mark the endpoints as not yet open */
        for (i = 0; i < USB_MAX_ENDPOINTS; i++)
           dev->ep_fd[i] = -1;

        ioctl(dfd, USB_SETDEBUG, &ugendebug);

        return (USBDevice *)dev;
    }

fail:
    return NULL;
}

static int usb_host_scan(void *opaque, USBScanFunc *func)
{
    struct usb_device_info bus_info;
    struct usb_device_info dev_info;
    uint16_t vendor_id, product_id, class_id, speed;
    int bfd, dfd, bus, address;
    char busbuf[20], devbuf[20], product_name[256];
    int ret = 0;

    for (bus = 0; bus < 10; bus++) {

        snprintf(busbuf, sizeof(busbuf) - 1, "/dev/usb%d", bus);
        bfd = open(busbuf, O_RDWR);
        if (bfd < 0)
	    continue;

        for (address = 1; address < 127; address++) {

            bus_info.udi_addr = address;
            if (ioctl(bfd, USB_DEVICEINFO, &bus_info) < 0)
                continue;

            /* only list devices that can be used by generic layer */
            if (strncmp(bus_info.udi_devnames[0], "ugen", 4) != 0)
                continue;

#if defined(__FreeBSD__) || defined(__DragonFly__)
            snprintf(devbuf, sizeof(devbuf) - 1, "/dev/%s", bus_info.udi_devnames[0]);
#else
            snprintf(devbuf, sizeof(devbuf) - 1, "/dev/%s.00", bus_info.udi_devnames[0]);
#endif

            dfd = open(devbuf, O_RDONLY);
            if (dfd < 0) {
#ifdef DEBUG
                printf("usb_host_scan: couldn't open device %s - %s\n", devbuf,
                       strerror(errno));
#endif
                continue;
            }

            if (ioctl(dfd, USB_GET_DEVICEINFO, &dev_info) < 0)
                printf("usb_host_scan: couldn't get device information for %s - %s\n",
                       devbuf, strerror(errno));

            // XXX: might need to fixup endianess of word values before copying over

            vendor_id = dev_info.udi_vendorNo;
            product_id = dev_info.udi_productNo;
            class_id = dev_info.udi_class;
            speed = dev_info.udi_speed;

            if (strncmp(dev_info.udi_product, "product", 7) != 0)
                pstrcpy(product_name, sizeof(product_name),
                        dev_info.udi_product);
            else
                product_name[0] = '\0';

            ret = func(opaque, bus, address, class_id, vendor_id,
                       product_id, product_name, speed);

            close(dfd);

            if (ret)
                goto the_end;
        }

        close(bfd);
    }

the_end:
    return ret;
}

typedef struct FindDeviceState {
    int vendor_id;
    int product_id;
    int bus_num;
    int addr;
} FindDeviceState;

static int usb_host_find_device_scan(void *opaque, int bus_num, int addr,
                                     int class_id,
                                     int vendor_id, int product_id,
                                     const char *product_name, int speed)
{
    FindDeviceState *s = opaque;
    if (vendor_id == s->vendor_id &&
        product_id == s->product_id) {
        s->bus_num = bus_num;
        s->addr = addr;
        return 1;
     } else {
        return 0;
     }
}


/* the syntax is :
   'bus.addr' (decimal numbers) or
   'vendor_id:product_id' (hexa numbers) */
static int usb_host_find_device(int *pbus_num, int *paddr,
                                const char *devname)
{
    const char *p;
    int ret;
    FindDeviceState fs;

    p = strchr(devname, '.');
    if (p) {
        *pbus_num = strtoul(devname, NULL, 0);
        *paddr = strtoul(p + 1, NULL, 0);
        return 0;
    }
    p = strchr(devname, ':');
    if (p) {
        fs.vendor_id = strtoul(devname, NULL, 16);
        fs.product_id = strtoul(p + 1, NULL, 16);
        ret = usb_host_scan(&fs, usb_host_find_device_scan);
        if (ret) {
            *pbus_num = fs.bus_num;
            *paddr = fs.addr;
            return 0;
        }
     }
     return -1;
}

/**********************/
/* USB host device info */

struct usb_class_info {
    int class;
    const char *class_name;
};

static const struct usb_class_info usb_class_info[] = {
    { USB_CLASS_AUDIO, "Audio"},
    { USB_CLASS_COMM, "Communication"},
    { USB_CLASS_HID, "HID"},
    { USB_CLASS_HUB, "Hub" },
    { USB_CLASS_PHYSICAL, "Physical" },
    { USB_CLASS_PRINTER, "Printer" },
    { USB_CLASS_MASS_STORAGE, "Storage" },
    { USB_CLASS_CDC_DATA, "Data" },
    { USB_CLASS_APP_SPEC, "Application Specific" },
    { USB_CLASS_VENDOR_SPEC, "Vendor Specific" },
    { USB_CLASS_STILL_IMAGE, "Still Image" },
    { USB_CLASS_CSCID, "Smart Card" },
    { USB_CLASS_CONTENT_SEC, "Content Security" },
    { -1, NULL }
};

static const char *usb_class_str(uint8_t class)
{
    const struct usb_class_info *p;
    for (p = usb_class_info; p->class != -1; p++) {
        if (p->class == class)
            break;
    }
    return p->class_name;
}

static void usb_info_device(int bus_num, int addr, int class_id,
                            int vendor_id, int product_id,
                            const char *product_name,
                            int speed)
{
    const char *class_str, *speed_str;
    Monitor *mon = cur_mon;

    switch(speed) {
    case USB_SPEED_LOW:
        speed_str = "1.5";
        break;
    case USB_SPEED_FULL:
        speed_str = "12";
        break;
    case USB_SPEED_HIGH:
        speed_str = "480";
        break;
    default:
        speed_str = "?";
        break;
    }

    monitor_printf(mon, "  Device %d.%d, speed %s Mb/s\n",
                   bus_num, addr, speed_str);
    class_str = usb_class_str(class_id);
    if (class_str)
        monitor_printf(mon, "    %s:", class_str);
    else
        monitor_printf(mon, "    Class %02x:", class_id);
    monitor_printf(mon, " USB device %04x:%04x", vendor_id, product_id);
    if (product_name[0] != '\0')
        monitor_printf(mon, ", %s", product_name);
    monitor_printf(mon, "\n");
}

static int usb_host_info_device(void *opaque,
                                int bus_num, int addr,
                                int class_id,
                                int vendor_id, int product_id,
                                const char *product_name,
                                int speed)
{
    usb_info_device(bus_num, addr, class_id, vendor_id, product_id,
                    product_name, speed);
    return 0;
}

void usb_host_info(Monitor *mon)
{
    usb_host_scan(NULL, usb_host_info_device);
}

/* XXX add this */
int usb_host_device_close(const char *devname)
{
    return 0;
}
Commit	Line	Data
68063649 BS	1	/*
	2	* BSD host USB redirector
	3	*
	4	* Copyright (c) 2006 Lonnie Mendez
	5	* Portions of code and concepts borrowed from
	6	* usb-linux.c and libusb's bsd.c and are copyright their respective owners.
	7	*
	8	* Permission is hereby granted, free of charge, to any person obtaining a copy
	9	* of this software and associated documentation files (the "Software"), to deal
	10	* in the Software without restriction, including without limitation the rights
	11	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	12	* copies of the Software, and to permit persons to whom the Software is
	13	* furnished to do so, subject to the following conditions:
	14	*
	15	* The above copyright notice and this permission notice shall be included in
	16	* all copies or substantial portions of the Software.
	17	*
	18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	20	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	21	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	22	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	23	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	24	* THE SOFTWARE.
	25	*/
	26
	27	#include "qemu-common.h"
0b8a988c	28	#include "monitor.h"
68063649 BS	29	#include "hw/usb.h"
	30
	31	/* usb.h declares these */
	32	#undef USB_SPEED_HIGH
	33	#undef USB_SPEED_FULL
	34	#undef USB_SPEED_LOW
	35
	36	#include <sys/ioctl.h>
c5e97233	37	#ifndef __DragonFly__
68063649	38	#include <dev/usb/usb.h>
c5e97233 BS	39	#else
	40	#include <bus/usb/usb.h>
	41	#endif
68063649 BS	42	#include <signal.h>
	43
	44	/* This value has maximum potential at 16.
	45	* You should also set hw.usb.debug to gain
	46	* more detailed view.
	47	*/
	48	//#define DEBUG
	49	#define UGEN_DEBUG_LEVEL 0
	50
	51
	52	typedef int USBScanFunc(void *opaque, int bus_num, int addr, int class_id,
	53	int vendor_id, int product_id,
	54	const char *product_name, int speed);
	55	static int usb_host_find_device(int pbus_num, int paddr,
	56	const char *devname);
	57
	58	typedef struct USBHostDevice {
	59	USBDevice dev;
	60	int ep_fd[USB_MAX_ENDPOINTS];
	61	int devfd;
	62	char devpath[32];
	63	} USBHostDevice;
	64
	65
	66	static int ensure_ep_open(USBHostDevice *dev, int ep, int mode)
	67	{
	68	char buf[32];
	69	int fd;
	70
	71	/* Get the address for this endpoint */
	72	ep = UE_GET_ADDR(ep);
	73
	74	if (dev->ep_fd[ep] < 0) {
c5e97233	75	#if defined(__FreeBSD__) \|\| defined(__DragonFly__)
68063649 BS	76	snprintf(buf, sizeof(buf) - 1, "%s.%d", dev->devpath, ep);
	77	#else
	78	snprintf(buf, sizeof(buf) - 1, "%s.%02d", dev->devpath, ep);
	79	#endif
	80	/* Try to open it O_RDWR first for those devices which have in and out
	81	* endpoints with the same address (eg 0x02 and 0x82)
	82	*/
	83	fd = open(buf, O_RDWR);
	84	if (fd < 0 && errno == ENXIO)
	85	fd = open(buf, mode);
	86	if (fd < 0) {
	87	#ifdef DEBUG
	88	printf("ensure_ep_open: failed to open device endpoint %s: %s\n",
	89	buf, strerror(errno));
	90	#endif
	91	}
	92	dev->ep_fd[ep] = fd;
	93	}
	94
	95	return dev->ep_fd[ep];
	96	}
	97
	98	static void ensure_eps_closed(USBHostDevice *dev)
	99	{
	100	int epnum = 1;
	101
	102	if (!dev)
	103	return;
	104
	105	while (epnum < USB_MAX_ENDPOINTS) {
	106	if (dev->ep_fd[epnum] >= 0) {
	107	close(dev->ep_fd[epnum]);
	108	dev->ep_fd[epnum] = -1;
	109	}
	110	epnum++;
	111	}
	112	}
	113
	114	static void usb_host_handle_reset(USBDevice *dev)
	115	{
	116	#if 0
	117	USBHostDevice s = (USBHostDevice )dev;
	118	#endif
	119	}
	120
	121	/* XXX:
	122	* -check device states against transfer requests
	123	* and return appropriate response
	124	*/
	125	static int usb_host_handle_control(USBDevice *dev,
	126	int request,
	127	int value,
	128	int index,
	129	int length,
	130	uint8_t *data)
	131	{
	132	USBHostDevice s = (USBHostDevice )dev;
	133	struct usb_ctl_request req;
	134	struct usb_alt_interface aiface;
	135	int ret, timeout = 50;
	136
	137	if ((request >> 8) == UT_WRITE_DEVICE &&
	138	(request & 0xff) == UR_SET_ADDRESS) {
	139
140	/* specific SET_ADDRESS support */
141	dev->addr = value;
142	return 0;
143	} else if ((request >> 8) == UT_WRITE_DEVICE &&
144	(request & 0xff) == UR_SET_CONFIG) {
145
146	ensure_eps_closed(s); /* can't do this without all eps closed */
147
148	ret = ioctl(s->devfd, USB_SET_CONFIG, &value);
149	if (ret < 0) {
150	#ifdef DEBUG
151	printf("handle_control: failed to set configuration - %s\n",
152	strerror(errno));
153	#endif
154	return USB_RET_STALL;
155	}
156
157	return 0;
158	} else if ((request >> 8) == UT_WRITE_INTERFACE &&
159	(request & 0xff) == UR_SET_INTERFACE) {
160
161	aiface.uai_interface_index = index;
162	aiface.uai_alt_no = value;
163
164	ensure_eps_closed(s); /* can't do this without all eps closed */
165	ret = ioctl(s->devfd, USB_SET_ALTINTERFACE, &aiface);
166	if (ret < 0) {
167	#ifdef DEBUG
168	printf("handle_control: failed to set alternate interface - %s\n",
169	strerror(errno));
170	#endif
171	return USB_RET_STALL;
172	}
173
174	return 0;
175	} else {
176	req.ucr_request.bmRequestType = request >> 8;
177	req.ucr_request.bRequest = request & 0xff;
178	USETW(req.ucr_request.wValue, value);
179	USETW(req.ucr_request.wIndex, index);
180	USETW(req.ucr_request.wLength, length);
181	req.ucr_data = data;
182	req.ucr_flags = USBD_SHORT_XFER_OK;
183
184	ret = ioctl(s->devfd, USB_SET_TIMEOUT, &timeout);
00766a4e	185	#if defined(__NetBSD__) \|\| defined(__OpenBSD__)
68063649 BS	186	if (ret < 0 && errno != EINVAL) {
	187	#else
	188	if (ret < 0) {
	189	#endif
	190	#ifdef DEBUG
	191	printf("handle_control: setting timeout failed - %s\n",
	192	strerror(errno));
	193	#endif
	194	}
	195
	196	ret = ioctl(s->devfd, USB_DO_REQUEST, &req);
	197	/* ugen returns EIO for usbd_do_request_ no matter what
	198	* happens with the transfer */
	199	if (ret < 0) {
	200	#ifdef DEBUG
	201	printf("handle_control: error after request - %s\n",
	202	strerror(errno));
	203	#endif
	204	return USB_RET_NAK; // STALL
	205	} else {
	206	return req.ucr_actlen;
	207	}
	208	}
	209	}
	210
	211	static int usb_host_handle_data(USBDevice dev, USBPacket p)
	212	{
	213	USBHostDevice s = (USBHostDevice )dev;
	214	int ret, fd, mode;
	215	int one = 1, shortpacket = 0, timeout = 50;
	216	sigset_t new_mask, old_mask;
	217	uint8_t devep = p->devep;
	218
	219	/* protect data transfers from SIGALRM signal */
	220	sigemptyset(&new_mask);
	221	sigaddset(&new_mask, SIGALRM);
	222	sigprocmask(SIG_BLOCK, &new_mask, &old_mask);
	223
	224	if (p->pid == USB_TOKEN_IN) {
	225	devep \|= 0x80;
	226	mode = O_RDONLY;
	227	shortpacket = 1;
	228	} else {
	229	mode = O_WRONLY;
	230	}
	231
	232	fd = ensure_ep_open(s, devep, mode);
	233	if (fd < 0) {
	234	sigprocmask(SIG_SETMASK, &old_mask, NULL);
	235	return USB_RET_NODEV;
	236	}
	237
	238	if (ioctl(fd, USB_SET_TIMEOUT, &timeout) < 0) {
	239	#ifdef DEBUG
	240	printf("handle_data: failed to set timeout - %s\n",
	241	strerror(errno));
	242	#endif
	243	}
	244
	245	if (shortpacket) {
	246	if (ioctl(fd, USB_SET_SHORT_XFER, &one) < 0) {
	247	#ifdef DEBUG
	248	printf("handle_data: failed to set short xfer mode - %s\n",
	249	strerror(errno));
250	#endif
251	sigprocmask(SIG_SETMASK, &old_mask, NULL);
252	}
253	}
254
255	if (p->pid == USB_TOKEN_IN)
256	ret = read(fd, p->data, p->len);
257	else
258	ret = write(fd, p->data, p->len);
259
260	sigprocmask(SIG_SETMASK, &old_mask, NULL);
261
262	if (ret < 0) {
263	#ifdef DEBUG
264	printf("handle_data: error after %s data - %s\n",
265	pid == USB_TOKEN_IN ? "reading" : "writing", strerror(errno));
266	#endif
267	switch(errno) {
268	case ETIMEDOUT:
269	case EINTR:
270	return USB_RET_NAK;
271	default:
272	return USB_RET_STALL;
273	}
274	} else {
275	return ret;
276	}
277	}
278
279	static void usb_host_handle_destroy(USBDevice *opaque)
280	{
281	USBHostDevice s = (USBHostDevice )opaque;
282	int i;
283
284	for (i = 0; i < USB_MAX_ENDPOINTS; i++)
285	if (s->ep_fd[i] >= 0)
286	close(s->ep_fd[i]);
287
288	if (s->devfd < 0)
289	return;
290
291	close(s->devfd);
292
293	qemu_free(s);
294	}
295
296	USBDevice usb_host_device_open(const char devname)
297	{
298	struct usb_device_info bus_info, dev_info;
299	USBHostDevice *dev;
300	char ctlpath[PATH_MAX + 1];
301	char buspath[PATH_MAX + 1];
302	int bfd, dfd, bus, address, i;
303	int ugendebug = UGEN_DEBUG_LEVEL;
304
305	if (usb_host_find_device(&bus, &address, devname) < 0)
306	return NULL;
307
308	snprintf(buspath, PATH_MAX, "/dev/usb%d", bus);
309
310	bfd = open(buspath, O_RDWR);
311	if (bfd < 0) {
312	#ifdef DEBUG
313	printf("usb_host_device_open: failed to open usb bus - %s\n",
314	strerror(errno));
315	#endif
316	return NULL;
317	}
318
319	bus_info.udi_addr = address;
320	if (ioctl(bfd, USB_DEVICEINFO, &bus_info) < 0) {
321	#ifdef DEBUG
322	printf("usb_host_device_open: failed to grab bus information - %s\n",
323	strerror(errno));
324	#endif
325	return NULL;
326	}
327
c5e97233	328	#if defined(__FreeBSD__) \|\| defined(__DragonFly__)
68063649 BS	329	snprintf(ctlpath, PATH_MAX, "/dev/%s", bus_info.udi_devnames[0]);
	330	#else
	331	snprintf(ctlpath, PATH_MAX, "/dev/%s.00", bus_info.udi_devnames[0]);
	332	#endif
	333
	334	dfd = open(ctlpath, O_RDWR);
	335	if (dfd < 0) {
	336	dfd = open(ctlpath, O_RDONLY);
	337	if (dfd < 0) {
	338	#ifdef DEBUG
	339	printf("usb_host_device_open: failed to open usb device %s - %s\n",
	340	ctlpath, strerror(errno));
	341	#endif
	342	}
	343	}
	344
	345	if (dfd >= 0) {
	346	dev = qemu_mallocz(sizeof(USBHostDevice));
68063649 BS	347	dev->devfd = dfd;
	348
	349	if (ioctl(dfd, USB_GET_DEVICEINFO, &dev_info) < 0) {
	350	#ifdef DEBUG
	351	printf("usb_host_device_open: failed to grab device info - %s\n",
	352	strerror(errno));
	353	#endif
	354	goto fail;
	355	}
	356
	357	if (dev_info.udi_speed == 1)
	358	dev->dev.speed = USB_SPEED_LOW - 1;
	359	else
	360	dev->dev.speed = USB_SPEED_FULL - 1;
	361
	362	dev->dev.handle_packet = usb_generic_handle_packet;
	363
	364	dev->dev.handle_reset = usb_host_handle_reset;
	365	dev->dev.handle_control = usb_host_handle_control;
	366	dev->dev.handle_data = usb_host_handle_data;
	367	dev->dev.handle_destroy = usb_host_handle_destroy;
	368
	369	if (strncmp(dev_info.udi_product, "product", 7) != 0)
	370	pstrcpy(dev->dev.devname, sizeof(dev->dev.devname),
	371	dev_info.udi_product);
	372	else
	373	snprintf(dev->dev.devname, sizeof(dev->dev.devname),
	374	"host:%s", devname);
	375
	376	pstrcpy(dev->devpath, sizeof(dev->devpath), "/dev/");
00766a4e	377	pstrcat(dev->devpath, sizeof(dev->devpath), dev_info.udi_devnames[0]);
68063649 BS	378
	379	/* Mark the endpoints as not yet open */
	380	for (i = 0; i < USB_MAX_ENDPOINTS; i++)
	381	dev->ep_fd[i] = -1;
	382
	383	ioctl(dfd, USB_SETDEBUG, &ugendebug);
	384
	385	return (USBDevice *)dev;
	386	}
	387
	388	fail:
	389	return NULL;
	390	}
	391
	392	static int usb_host_scan(void opaque, USBScanFunc func)
	393	{
	394	struct usb_device_info bus_info;
	395	struct usb_device_info dev_info;
	396	uint16_t vendor_id, product_id, class_id, speed;
	397	int bfd, dfd, bus, address;
	398	char busbuf[20], devbuf[20], product_name[256];
	399	int ret = 0;
	400
	401	for (bus = 0; bus < 10; bus++) {
	402
	403	snprintf(busbuf, sizeof(busbuf) - 1, "/dev/usb%d", bus);
	404	bfd = open(busbuf, O_RDWR);
	405	if (bfd < 0)
	406	continue;
	407
	408	for (address = 1; address < 127; address++) {
	409
	410	bus_info.udi_addr = address;
	411	if (ioctl(bfd, USB_DEVICEINFO, &bus_info) < 0)
	412	continue;
	413
	414	/* only list devices that can be used by generic layer */
	415	if (strncmp(bus_info.udi_devnames[0], "ugen", 4) != 0)
	416	continue;
	417
c5e97233	418	#if defined(__FreeBSD__) \|\| defined(__DragonFly__)
68063649 BS	419	snprintf(devbuf, sizeof(devbuf) - 1, "/dev/%s", bus_info.udi_devnames[0]);
	420	#else
	421	snprintf(devbuf, sizeof(devbuf) - 1, "/dev/%s.00", bus_info.udi_devnames[0]);
	422	#endif
	423
	424	dfd = open(devbuf, O_RDONLY);
	425	if (dfd < 0) {
	426	#ifdef DEBUG
	427	printf("usb_host_scan: couldn't open device %s - %s\n", devbuf,
	428	strerror(errno));
	429	#endif
	430	continue;
	431	}
	432
	433	if (ioctl(dfd, USB_GET_DEVICEINFO, &dev_info) < 0)
	434	printf("usb_host_scan: couldn't get device information for %s - %s\n",
	435	devbuf, strerror(errno));
	436
	437	// XXX: might need to fixup endianess of word values before copying over
	438
	439	vendor_id = dev_info.udi_vendorNo;
	440	product_id = dev_info.udi_productNo;
	441	class_id = dev_info.udi_class;
	442	speed = dev_info.udi_speed;
	443
	444	if (strncmp(dev_info.udi_product, "product", 7) != 0)
	445	pstrcpy(product_name, sizeof(product_name),
	446	dev_info.udi_product);
	447	else
	448	product_name[0] = '\0';
	449
	450	ret = func(opaque, bus, address, class_id, vendor_id,
	451	product_id, product_name, speed);
	452
	453	close(dfd);
	454
	455	if (ret)
	456	goto the_end;
	457	}
	458
	459	close(bfd);
	460	}
	461
	462	the_end:
	463	return ret;
	464	}
	465
	466	typedef struct FindDeviceState {
	467	int vendor_id;
	468	int product_id;
	469	int bus_num;
	470	int addr;
	471	} FindDeviceState;
	472
	473	static int usb_host_find_device_scan(void *opaque, int bus_num, int addr,
	474	int class_id,
	475	int vendor_id, int product_id,
	476	const char *product_name, int speed)
	477	{
	478	FindDeviceState *s = opaque;
	479	if (vendor_id == s->vendor_id &&
	480	product_id == s->product_id) {
	481	s->bus_num = bus_num;
	482	s->addr = addr;
483	return 1;
484	} else {
485	return 0;
486	}
487	}
488
489
490	/* the syntax is :
491	'bus.addr' (decimal numbers) or
492	'vendor_id:product_id' (hexa numbers) */
493	static int usb_host_find_device(int pbus_num, int paddr,
494	const char *devname)
495	{
496	const char *p;
497	int ret;
498	FindDeviceState fs;
499
500	p = strchr(devname, '.');
501	if (p) {
502	*pbus_num = strtoul(devname, NULL, 0);
503	*paddr = strtoul(p + 1, NULL, 0);
504	return 0;
505	}
506	p = strchr(devname, ':');
507	if (p) {
508	fs.vendor_id = strtoul(devname, NULL, 16);
509	fs.product_id = strtoul(p + 1, NULL, 16);
510	ret = usb_host_scan(&fs, usb_host_find_device_scan);
511	if (ret) {
512	*pbus_num = fs.bus_num;
513	*paddr = fs.addr;
514	return 0;
515	}
516	}
517	return -1;
518	}
519
520	/**********************/
521	/* USB host device info */
522
523	struct usb_class_info {
524	int class;
525	const char *class_name;
526	};
527
528	static const struct usb_class_info usb_class_info[] = {
529	{ USB_CLASS_AUDIO, "Audio"},
530	{ USB_CLASS_COMM, "Communication"},
531	{ USB_CLASS_HID, "HID"},
532	{ USB_CLASS_HUB, "Hub" },
533	{ USB_CLASS_PHYSICAL, "Physical" },
534	{ USB_CLASS_PRINTER, "Printer" },
535	{ USB_CLASS_MASS_STORAGE, "Storage" },
536	{ USB_CLASS_CDC_DATA, "Data" },
537	{ USB_CLASS_APP_SPEC, "Application Specific" },
538	{ USB_CLASS_VENDOR_SPEC, "Vendor Specific" },
539	{ USB_CLASS_STILL_IMAGE, "Still Image" },
540	{ USB_CLASS_CSCID, "Smart Card" },
541	{ USB_CLASS_CONTENT_SEC, "Content Security" },
542	{ -1, NULL }
543	};
544
545	static const char *usb_class_str(uint8_t class)
546	{
547	const struct usb_class_info *p;
548	for (p = usb_class_info; p->class != -1; p++) {
549	if (p->class == class)
550	break;
551	}
552	return p->class_name;
553	}
554
00766a4e BS	555	static void usb_info_device(int bus_num, int addr, int class_id,
	556	int vendor_id, int product_id,
	557	const char *product_name,
	558	int speed)
68063649 BS	559	{
68063649 BS	560	const char class_str, speed_str;
376253ec	561	Monitor *mon = cur_mon;
68063649 BS	562
	563	switch(speed) {
	564	case USB_SPEED_LOW:
	565	speed_str = "1.5";
	566	break;
	567	case USB_SPEED_FULL:
	568	speed_str = "12";
	569	break;
	570	case USB_SPEED_HIGH:
	571	speed_str = "480";
	572	break;
	573	default:
	574	speed_str = "?";
	575	break;
	576	}
	577
376253ec AL	578	monitor_printf(mon, " Device %d.%d, speed %s Mb/s\n",
376253ec AL	579	bus_num, addr, speed_str);
68063649 BS	580	class_str = usb_class_str(class_id);
68063649 BS	581	if (class_str)
376253ec	582	monitor_printf(mon, " %s:", class_str);
68063649	583	else
376253ec AL	584	monitor_printf(mon, " Class %02x:", class_id);
376253ec AL	585	monitor_printf(mon, " USB device %04x:%04x", vendor_id, product_id);
68063649	586	if (product_name[0] != '\0')
376253ec AL	587	monitor_printf(mon, ", %s", product_name);
376253ec AL	588	monitor_printf(mon, "\n");
68063649 BS	589	}
68063649 BS	590
376253ec AL	591	static int usb_host_info_device(void *opaque,
376253ec AL	592	int bus_num, int addr,
68063649 BS	593	int class_id,
	594	int vendor_id, int product_id,
	595	const char *product_name,
	596	int speed)
	597	{
	598	usb_info_device(bus_num, addr, class_id, vendor_id, product_id,
	599	product_name, speed);
	600	return 0;
	601	}
	602
376253ec	603	void usb_host_info(Monitor *mon)
68063649 BS	604	{
	605	usb_host_scan(NULL, usb_host_info_device);
	606	}
	607
	608	/* XXX add this */
	609	int usb_host_device_close(const char *devname)
	610	{
	611	return 0;
	612	}