diff options
Diffstat (limited to 'ANDROID_3.4.5/tools/usb/testusb.c')
-rw-r--r-- | ANDROID_3.4.5/tools/usb/testusb.c | 547 |
1 files changed, 0 insertions, 547 deletions
diff --git a/ANDROID_3.4.5/tools/usb/testusb.c b/ANDROID_3.4.5/tools/usb/testusb.c deleted file mode 100644 index 6e0f5670..00000000 --- a/ANDROID_3.4.5/tools/usb/testusb.c +++ /dev/null @@ -1,547 +0,0 @@ -/* $(CROSS_COMPILE)cc -Wall -Wextra -g -lpthread -o testusb testusb.c */ - -/* - * Copyright (c) 2002 by David Brownell - * Copyright (c) 2010 by Samsung Electronics - * Author: Michal Nazarewicz <mina86@mina86.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* - * This program issues ioctls to perform the tests implemented by the - * kernel driver. It can generate a variety of transfer patterns; you - * should make sure to test both regular streaming and mixes of - * transfer sizes (including short transfers). - * - * For more information on how this can be used and on USB testing - * refer to <URL:http://www.linux-usb.org/usbtest/>. - */ - -#include <stdio.h> -#include <string.h> -#include <ftw.h> -#include <stdlib.h> -#include <pthread.h> -#include <unistd.h> -#include <errno.h> -#include <limits.h> - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> - -#include <sys/ioctl.h> -#include <linux/usbdevice_fs.h> - -/*-------------------------------------------------------------------------*/ - -#define TEST_CASES 30 - -// FIXME make these public somewhere; usbdevfs.h? - -struct usbtest_param { - // inputs - unsigned test_num; /* 0..(TEST_CASES-1) */ - unsigned iterations; - unsigned length; - unsigned vary; - unsigned sglen; - - // outputs - struct timeval duration; -}; -#define USBTEST_REQUEST _IOWR('U', 100, struct usbtest_param) - -/*-------------------------------------------------------------------------*/ - -/* #include <linux/usb_ch9.h> */ - -#define USB_DT_DEVICE 0x01 -#define USB_DT_INTERFACE 0x04 - -#define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */ -#define USB_CLASS_VENDOR_SPEC 0xff - - -struct usb_device_descriptor { - __u8 bLength; - __u8 bDescriptorType; - __u16 bcdUSB; - __u8 bDeviceClass; - __u8 bDeviceSubClass; - __u8 bDeviceProtocol; - __u8 bMaxPacketSize0; - __u16 idVendor; - __u16 idProduct; - __u16 bcdDevice; - __u8 iManufacturer; - __u8 iProduct; - __u8 iSerialNumber; - __u8 bNumConfigurations; -} __attribute__ ((packed)); - -struct usb_interface_descriptor { - __u8 bLength; - __u8 bDescriptorType; - - __u8 bInterfaceNumber; - __u8 bAlternateSetting; - __u8 bNumEndpoints; - __u8 bInterfaceClass; - __u8 bInterfaceSubClass; - __u8 bInterfaceProtocol; - __u8 iInterface; -} __attribute__ ((packed)); - -enum usb_device_speed { - USB_SPEED_UNKNOWN = 0, /* enumerating */ - USB_SPEED_LOW, USB_SPEED_FULL, /* usb 1.1 */ - USB_SPEED_HIGH /* usb 2.0 */ -}; - -/*-------------------------------------------------------------------------*/ - -static char *speed (enum usb_device_speed s) -{ - switch (s) { - case USB_SPEED_UNKNOWN: return "unknown"; - case USB_SPEED_LOW: return "low"; - case USB_SPEED_FULL: return "full"; - case USB_SPEED_HIGH: return "high"; - default: return "??"; - } -} - -struct testdev { - struct testdev *next; - char *name; - pthread_t thread; - enum usb_device_speed speed; - unsigned ifnum : 8; - unsigned forever : 1; - int test; - - struct usbtest_param param; -}; -static struct testdev *testdevs; - -static int testdev_ffs_ifnum(FILE *fd) -{ - union { - char buf[255]; - struct usb_interface_descriptor intf; - } u; - - for (;;) { - if (fread(u.buf, 1, 1, fd) != 1) - return -1; - if (fread(u.buf + 1, (unsigned char)u.buf[0] - 1, 1, fd) != 1) - return -1; - - if (u.intf.bLength == sizeof u.intf - && u.intf.bDescriptorType == USB_DT_INTERFACE - && u.intf.bNumEndpoints == 2 - && u.intf.bInterfaceClass == USB_CLASS_VENDOR_SPEC - && u.intf.bInterfaceSubClass == 0 - && u.intf.bInterfaceProtocol == 0) - return (unsigned char)u.intf.bInterfaceNumber; - } -} - -static int testdev_ifnum(FILE *fd) -{ - struct usb_device_descriptor dev; - - if (fread(&dev, sizeof dev, 1, fd) != 1) - return -1; - - if (dev.bLength != sizeof dev || dev.bDescriptorType != USB_DT_DEVICE) - return -1; - - /* FX2 with (tweaked) bulksrc firmware */ - if (dev.idVendor == 0x0547 && dev.idProduct == 0x1002) - return 0; - - /*----------------------------------------------------*/ - - /* devices that start up using the EZ-USB default device and - * which we can use after loading simple firmware. hotplug - * can fxload it, and then run this test driver. - * - * we return false positives in two cases: - * - the device has a "real" driver (maybe usb-serial) that - * renumerates. the device should vanish quickly. - * - the device doesn't have the test firmware installed. - */ - - /* generic EZ-USB FX controller */ - if (dev.idVendor == 0x0547 && dev.idProduct == 0x2235) - return 0; - - /* generic EZ-USB FX2 controller */ - if (dev.idVendor == 0x04b4 && dev.idProduct == 0x8613) - return 0; - - /* CY3671 development board with EZ-USB FX */ - if (dev.idVendor == 0x0547 && dev.idProduct == 0x0080) - return 0; - - /* Keyspan 19Qi uses an21xx (original EZ-USB) */ - if (dev.idVendor == 0x06cd && dev.idProduct == 0x010b) - return 0; - - /*----------------------------------------------------*/ - - /* "gadget zero", Linux-USB test software */ - if (dev.idVendor == 0x0525 && dev.idProduct == 0xa4a0) - return 0; - - /* user mode subset of that */ - if (dev.idVendor == 0x0525 && dev.idProduct == 0xa4a4) - return testdev_ffs_ifnum(fd); - /* return 0; */ - - /* iso version of usermode code */ - if (dev.idVendor == 0x0525 && dev.idProduct == 0xa4a3) - return 0; - - /* some GPL'd test firmware uses these IDs */ - - if (dev.idVendor == 0xfff0 && dev.idProduct == 0xfff0) - return 0; - - /*----------------------------------------------------*/ - - /* iBOT2 high speed webcam */ - if (dev.idVendor == 0x0b62 && dev.idProduct == 0x0059) - return 0; - - /*----------------------------------------------------*/ - - /* the FunctionFS gadget can have the source/sink interface - * anywhere. We look for an interface descriptor that match - * what we expect. We ignore configuratiens thou. */ - - if (dev.idVendor == 0x0525 && dev.idProduct == 0xa4ac - && (dev.bDeviceClass == USB_CLASS_PER_INTERFACE - || dev.bDeviceClass == USB_CLASS_VENDOR_SPEC)) - return testdev_ffs_ifnum(fd); - - return -1; -} - -static int find_testdev(const char *name, const struct stat *sb, int flag) -{ - FILE *fd; - int ifnum; - struct testdev *entry; - - (void)sb; /* unused */ - - if (flag != FTW_F) - return 0; - /* ignore /proc/bus/usb/{devices,drivers} */ - if (strrchr(name, '/')[1] == 'd') - return 0; - - fd = fopen(name, "rb"); - if (!fd) { - perror(name); - return 0; - } - - ifnum = testdev_ifnum(fd); - fclose(fd); - if (ifnum < 0) - return 0; - - entry = calloc(1, sizeof *entry); - if (!entry) - goto nomem; - - entry->name = strdup(name); - if (!entry->name) { - free(entry); -nomem: - perror("malloc"); - return 0; - } - - entry->ifnum = ifnum; - - /* FIXME ask usbfs what speed; update USBDEVFS_CONNECTINFO so - * it tells about high speed etc */ - - fprintf(stderr, "%s speed\t%s\t%u\n", - speed(entry->speed), entry->name, entry->ifnum); - - entry->next = testdevs; - testdevs = entry; - return 0; -} - -static int -usbdev_ioctl (int fd, int ifno, unsigned request, void *param) -{ - struct usbdevfs_ioctl wrapper; - - wrapper.ifno = ifno; - wrapper.ioctl_code = request; - wrapper.data = param; - - return ioctl (fd, USBDEVFS_IOCTL, &wrapper); -} - -static void *handle_testdev (void *arg) -{ - struct testdev *dev = arg; - int fd, i; - int status; - - if ((fd = open (dev->name, O_RDWR)) < 0) { - perror ("can't open dev file r/w"); - return 0; - } - -restart: - for (i = 0; i < TEST_CASES; i++) { - if (dev->test != -1 && dev->test != i) - continue; - dev->param.test_num = i; - - status = usbdev_ioctl (fd, dev->ifnum, - USBTEST_REQUEST, &dev->param); - if (status < 0 && errno == EOPNOTSUPP) - continue; - - /* FIXME need a "syslog it" option for background testing */ - - /* NOTE: each thread emits complete lines; no fragments! */ - if (status < 0) { - char buf [80]; - int err = errno; - - if (strerror_r (errno, buf, sizeof buf)) { - snprintf (buf, sizeof buf, "error %d", err); - errno = err; - } - printf ("%s test %d --> %d (%s)\n", - dev->name, i, errno, buf); - } else - printf ("%s test %d, %4d.%.06d secs\n", dev->name, i, - (int) dev->param.duration.tv_sec, - (int) dev->param.duration.tv_usec); - - fflush (stdout); - } - if (dev->forever) - goto restart; - - close (fd); - return arg; -} - -static const char *usbfs_dir_find(void) -{ - static char usbfs_path_0[] = "/dev/usb/devices"; - static char usbfs_path_1[] = "/proc/bus/usb/devices"; - - static char *const usbfs_paths[] = { - usbfs_path_0, usbfs_path_1 - }; - - static char *const * - end = usbfs_paths + sizeof usbfs_paths / sizeof *usbfs_paths; - - char *const *it = usbfs_paths; - do { - int fd = open(*it, O_RDONLY); - close(fd); - if (fd >= 0) { - strrchr(*it, '/')[0] = '\0'; - return *it; - } - } while (++it != end); - - return NULL; -} - -static int parse_num(unsigned *num, const char *str) -{ - unsigned long val; - char *end; - - errno = 0; - val = strtoul(str, &end, 0); - if (errno || *end || val > UINT_MAX) - return -1; - *num = val; - return 0; -} - -int main (int argc, char **argv) -{ - - int c; - struct testdev *entry; - char *device; - const char *usbfs_dir = NULL; - int all = 0, forever = 0, not = 0; - int test = -1 /* all */; - struct usbtest_param param; - - /* pick defaults that works with all speeds, without short packets. - * - * Best per-frame data rates: - * high speed, bulk 512 * 13 * 8 = 53248 - * interrupt 1024 * 3 * 8 = 24576 - * full speed, bulk/intr 64 * 19 = 1216 - * interrupt 64 * 1 = 64 - * low speed, interrupt 8 * 1 = 8 - */ - param.iterations = 1000; - param.length = 512; - param.vary = 512; - param.sglen = 32; - - /* for easy use when hotplugging */ - device = getenv ("DEVICE"); - - while ((c = getopt (argc, argv, "D:aA:c:g:hns:t:v:")) != EOF) - switch (c) { - case 'D': /* device, if only one */ - device = optarg; - continue; - case 'A': /* use all devices with specified usbfs dir */ - usbfs_dir = optarg; - /* FALL THROUGH */ - case 'a': /* use all devices */ - device = NULL; - all = 1; - continue; - case 'c': /* count iterations */ - if (parse_num(¶m.iterations, optarg)) - goto usage; - continue; - case 'g': /* scatter/gather entries */ - if (parse_num(¶m.sglen, optarg)) - goto usage; - continue; - case 'l': /* loop forever */ - forever = 1; - continue; - case 'n': /* no test running! */ - not = 1; - continue; - case 's': /* size of packet */ - if (parse_num(¶m.length, optarg)) - goto usage; - continue; - case 't': /* run just one test */ - test = atoi (optarg); - if (test < 0) - goto usage; - continue; - case 'v': /* vary packet size by ... */ - if (parse_num(¶m.vary, optarg)) - goto usage; - continue; - case '?': - case 'h': - default: -usage: - fprintf (stderr, "usage: %s [-n] [-D dev | -a | -A usbfs-dir]\n" - "\t[-c iterations] [-t testnum]\n" - "\t[-s packetsize] [-g sglen] [-v vary]\n", - argv [0]); - return 1; - } - if (optind != argc) - goto usage; - if (!all && !device) { - fprintf (stderr, "must specify '-a' or '-D dev', " - "or DEVICE=/proc/bus/usb/BBB/DDD in env\n"); - goto usage; - } - - /* Find usbfs mount point */ - if (!usbfs_dir) { - usbfs_dir = usbfs_dir_find(); - if (!usbfs_dir) { - fputs ("usbfs files are missing\n", stderr); - return -1; - } - } - - /* collect and list the test devices */ - if (ftw (usbfs_dir, find_testdev, 3) != 0) { - fputs ("ftw failed; is usbfs missing?\n", stderr); - return -1; - } - - /* quit, run single test, or create test threads */ - if (!testdevs && !device) { - fputs ("no test devices recognized\n", stderr); - return -1; - } - if (not) - return 0; - if (testdevs && testdevs->next == 0 && !device) - device = testdevs->name; - for (entry = testdevs; entry; entry = entry->next) { - int status; - - entry->param = param; - entry->forever = forever; - entry->test = test; - - if (device) { - if (strcmp (entry->name, device)) - continue; - return handle_testdev (entry) != entry; - } - status = pthread_create (&entry->thread, 0, handle_testdev, entry); - if (status) { - perror ("pthread_create"); - continue; - } - } - if (device) { - struct testdev dev; - - /* kernel can recognize test devices we don't */ - fprintf (stderr, "%s: %s may see only control tests\n", - argv [0], device); - - memset (&dev, 0, sizeof dev); - dev.name = device; - dev.param = param; - dev.forever = forever; - dev.test = test; - return handle_testdev (&dev) != &dev; - } - - /* wait for tests to complete */ - for (entry = testdevs; entry; entry = entry->next) { - void *retval; - - if (pthread_join (entry->thread, &retval)) - perror ("pthread_join"); - /* testing errors discarded! */ - } - - return 0; -} |