- Use /dev/fwX.Y rather than /dev/fwX.
- Add option -u to specify bus number. - Try to open the device only if it's necessary.
This commit is contained in:
parent
cdd1e6923e
commit
abd538f249
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=118457
@ -32,6 +32,7 @@
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.Nd FireWire control utility
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.Sh SYNOPSIS
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.Nm
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.Op Fl u Ar bus_num
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.Op Fl rt
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.Op Fl c Ar node
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.Op Fl d Ar node
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@ -54,6 +55,8 @@ will output a list of devices that are/were connected to the bus.
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.Pp
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The following options are available:
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.Bl -tag -width indent
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.It Fl u Ar bus_num
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Specify the FireWire bus number to be operated.
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.It Fl r
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Initiate bus reset.
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.It Fl t
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@ -123,7 +126,7 @@ with
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.Dq Li bs=144000 .
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.Sh FILES
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.Bl -tag
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.It Pa /dev/fw0
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.It Pa /dev/fw0.0
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.El
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.Sh SEE ALSO
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.Xr firewire 4 ,
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@ -57,8 +57,10 @@ static void
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usage(void)
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{
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fprintf(stderr,
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"fwcontrol [-g gap_count] [-o node] [-b pri_req] [-c node]"
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" [-r] [-t] [-d node] [-l file] [-R file] [-S file]\n"
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"fwcontrol [-u bus_num] [-rt] [-g gap_count] [-o node] "
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"[-b pri_req] [-c node] [-d node] [-l file] "
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"[-R file] [-S file]\n"
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"\t-u: specify bus number\n"
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"\t-g: broadcast gap_count by phy_config packet\n"
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"\t-o: send link-on packet to the node\n"
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"\t-s: write RESET_START register on the node\n"
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@ -421,70 +423,105 @@ show_topology_map(int fd)
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free(tmap);
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}
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static void
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open_dev(int *fd, char *devbase)
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{
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char devname[256];
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int i;
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if (*fd < 0) {
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for (i = 0; i < 4; i++) {
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snprintf(devname, sizeof(devname), "%s.%d", devbase, i);
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if ((*fd = open(devname, O_RDWR)) >= 0)
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break;
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}
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if (*fd < 0)
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err(1, "open");
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}
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}
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int
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main(int argc, char **argv)
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{
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char devname[256];
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u_int32_t crom_buf[1024/4];
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char devbase[1024] = "/dev/fw0";
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int fd, i, tmp, ch, len=1024;
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for (i = 0; i < 4; i++) {
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snprintf(devname, sizeof(devname), "/dev/fw%d", i);
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if ((fd = open(devname, O_RDWR)) >= 0)
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break;
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}
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if (fd < 0)
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err(1, "open");
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fd = -1;
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if (argc < 2) {
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open_dev(&fd, devbase);
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list_dev(fd);
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}
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while ((ch = getopt(argc, argv, "g:o:s:b:rtc:d:l:R:S:")) != -1)
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while ((ch = getopt(argc, argv, "g:o:s:b:rtc:d:l:u:R:S:")) != -1)
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switch(ch) {
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case 'g':
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tmp = strtol(optarg, NULL, 0);
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send_phy_config(fd, -1, tmp);
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break;
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case 'o':
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tmp = strtol(optarg, NULL, 0);
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send_link_on(fd, tmp);
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break;
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case 's':
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tmp = strtol(optarg, NULL, 0);
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reset_start(fd, tmp);
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break;
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case 'b':
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tmp = strtol(optarg, NULL, 0);
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open_dev(&fd, devbase);
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set_pri_req(fd, tmp);
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break;
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case 'r':
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if(ioctl(fd, FW_IBUSRST, &tmp) < 0)
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err(1, "ioctl");
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break;
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case 't':
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show_topology_map(fd);
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break;
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case 'c':
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tmp = strtol(optarg, NULL, 0);
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open_dev(&fd, devbase);
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get_crom(fd, tmp, crom_buf, len);
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show_crom(crom_buf);
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break;
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case 'd':
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tmp = strtol(optarg, NULL, 0);
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open_dev(&fd, devbase);
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get_crom(fd, tmp, crom_buf, len);
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dump_crom(crom_buf);
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break;
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case 'g':
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tmp = strtol(optarg, NULL, 0);
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open_dev(&fd, devbase);
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send_phy_config(fd, -1, tmp);
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break;
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case 'l':
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load_crom(optarg, crom_buf);
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show_crom(crom_buf);
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break;
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case 'o':
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tmp = strtol(optarg, NULL, 0);
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open_dev(&fd, devbase);
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send_link_on(fd, tmp);
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break;
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case 'r':
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open_dev(&fd, devbase);
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if(ioctl(fd, FW_IBUSRST, &tmp) < 0)
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err(1, "ioctl");
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break;
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case 's':
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tmp = strtol(optarg, NULL, 0);
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open_dev(&fd, devbase);
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reset_start(fd, tmp);
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break;
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case 't':
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open_dev(&fd, devbase);
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show_topology_map(fd);
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break;
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case 'u':
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tmp = strtol(optarg, NULL, 0);
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snprintf(devbase, sizeof(devbase), "/dev/fw%d", tmp);
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if (fd > 0) {
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close(fd);
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fd = -1;
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}
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if (argc == optind) {
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open_dev(&fd, devbase);
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list_dev(fd);
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}
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break;
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#define TAG (1<<6)
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#define CHANNEL 63
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case 'R':
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open_dev(&fd, devbase);
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dvrecv(fd, optarg, TAG | CHANNEL, -1);
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break;
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case 'S':
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open_dev(&fd, devbase);
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dvsend(fd, optarg, TAG | CHANNEL, -1);
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break;
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default:
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