/* [_Anarchy_(alan@lightning.swansea.uk.linux.org)] you should do one check though - if the board seems to be SMP and the CPU in /proc/cpuinfo is non intel dont install an SMP kernel - thats a dual pentium board with a cyrix or similar single cpu in it */ #include #include #include #include #include #include #include #ifdef __alpha__ int alphaDetectSMP(void) { int issmp = 0; FILE *f; f = fopen("/proc/cpuinfo", "r"); if (f) { char buff[1024]; while (fgets (buff, 1024, f) != NULL) { if (!strncmp (buff, "cpus detected\t\t: ", 17)) { if (strtoul (buff + 17, NULL, 0) > 1) issmp = 1; break; } } fclose(f); } else return -1; return issmp; } #endif /* __alpha__ */ #ifdef __sparc__ int sparcDetectSMP(void) { int issmp = 0; FILE *f; f = fopen("/proc/cpuinfo", "r"); if (f) { char buff[1024]; while (fgets (buff, 1024, f) != NULL) { if (!strncmp (buff, "ncpus probed\t: ", 15)) { if (strtoul (buff + 15, NULL, 0) > 1) issmp = 1; break; } } fclose(f); } else return -1; return issmp; } #endif /* __sparc__ */ /* just a placeholder for now - don't have an SMP machine need something in place to build - s.benedict */ #ifdef __powerpc__ int ppcDetectSMP(void) { int issmp = 0; FILE *f; f = fopen("/proc/cpuinfo", "r"); if (f) { char buff[1024]; while (fgets (buff, 1024, f) != NULL) { if (!strncmp (buff, "ncpus active\t: ", 15)) { if (strtoul (buff + 15, NULL, 0) > 1) issmp = 1; break; } } fclose(f); } else return -1; return issmp; } #endif /* __powerpc__ */ #if defined(__i386__) || defined(__x86_64__) /* * Copyright (c) 1996, by Steve Passe * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. The name of the developer may NOT be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id$ */ /* * mptable.c */ #define VMAJOR 2 #define VMINOR 0 #define VDELTA 12 /* * this will cause the raw mp table to be dumped to /tmp/mpdump * #define RAW_DUMP */ #define MP_SIG 0x5f504d5f /* _MP_ */ #define EXTENDED_PROCESSING_READY #define OEM_PROCESSING_READY_NOT #include #include #include #include #include #include #define LINUX 1 #if LINUX typedef unsigned int vm_offset_t; #else #include #endif typedef unsigned char u8; typedef unsigned short u16; typedef unsigned int u32; typedef vm_offset_t addr_t; /* EBDA is @ 40:0e in real-mode terms */ #define EBDA_POINTER 0x040e /* location of EBDA pointer */ /* CMOS 'top of mem' is @ 40:13 in real-mode terms */ #define TOPOFMEM_POINTER 0x0413 /* BIOS: base memory size */ #define DEFAULT_TOPOFMEM 0xa0000 #define BIOS_BASE 0xf0000 #define BIOS_BASE2 0xe0000 #define BIOS_SIZE 0x10000 #define ONE_KBYTE 1024 #define GROPE_AREA1 0x80000 #define GROPE_AREA2 0x90000 #define GROPE_SIZE 0x10000 /* MP Floating Pointer Structure */ typedef struct MPFPS { char signature[ 4 ]; addr_t pap; u8 length; u8 spec_rev; u8 checksum; u8 mpfb1; u8 mpfb2; u8 mpfb3; u8 mpfb4; u8 mpfb5; } mpfps_t; /* MP Configuration Table Header */ typedef struct MPCTH { char signature[ 4 ]; u16 base_table_length; u8 spec_rev; u8 checksum; u8 oem_id[ 8 ]; u8 product_id[ 12 ]; addr_t oem_table_pointer; u16 oem_table_size; u16 entry_count; addr_t apic_address; u16 extended_table_length; u8 extended_table_checksum; u8 reserved; } mpcth_t; typedef struct PROCENTRY { u8 type; u8 apicID; u8 apicVersion; u8 cpuFlags; u32 cpuSignature; u32 featureFlags; u32 reserved1; u32 reserved2; } ProcEntry; #define PROCENTRY_FLAG_EN 0x01 static void seekEntry( vm_offset_t addr ); static void apic_probe( vm_offset_t* paddr, int* where ); static void readEntry( void* entry, int size ); /* global data */ static int pfd; /* physical /dev/mem fd */ static int verbose = 0; static int grope = 0; static int readType() { u_char type; if ( read( pfd, &type, sizeof( u_char ) ) != sizeof( u_char ) ) { perror( "type read" ); fprintf( stderr, "\npfd: %d", pfd ); fflush( stderr ); exit( 1 ); } if ( lseek( pfd, -1, SEEK_CUR ) < 0 ) { perror( "type seek" ); exit( 1 ); } return (int)type; } extern int intelDetectSMP(void); // old detection static int intelDetectSMP_mptable(void) { vm_offset_t paddr; int where; mpfps_t mpfps; int rc = 0; int ncpus = 0; /* open physical memory for access to MP structures */ if ( (pfd = open( "/dev/mem", O_RDONLY )) < 0 ) { return 0; } /* probe for MP structures */ apic_probe( &paddr, &where ); if ( where <= 0 ) return 0; seekEntry( paddr ); readEntry( &mpfps, sizeof( mpfps_t ) ); if (mpfps.mpfb1) /* old style */ rc = 1; else { /* go to the config table */ mpcth_t cth; int count, i; paddr = mpfps.pap; seekEntry( paddr ); readEntry( &cth, sizeof( cth ) ); /* if we don't have any entries, the kernel sure won't be able to set up mp. Needs at least one entry for smp kernel */ if (cth.entry_count <= 1) { close (pfd); return 0; } count = cth.entry_count; for (i = 0; i < count; i++) { if ( readType() == 0 ) { ProcEntry entry; readEntry( &entry, sizeof( entry ) ); if (entry.cpuFlags & PROCENTRY_FLAG_EN) ncpus++; } } if (ncpus > 1) rc = 1; } close (pfd); return rc; } /* * set PHYSICAL address of MP floating pointer structure */ #define NEXT(X) ((X) += 4) static void apic_probe( vm_offset_t* paddr, int* where ) { /* * c rewrite of apic_probe() by Jack F. Vogel */ int x; u_short segment; vm_offset_t target; u_int buffer[ BIOS_SIZE / sizeof( int ) ]; if ( verbose ) printf( "\n" ); /* search Extended Bios Data Area, if present */ if ( verbose ) printf( " looking for EBDA pointer @ 0x%04x, ", EBDA_POINTER ); seekEntry( (vm_offset_t)EBDA_POINTER ); readEntry( &segment, 2 ); if ( segment ) { /* search EBDA */ target = (vm_offset_t)segment << 4; if ( verbose ) printf( "found, searching EBDA @ 0x%08x\n", target ); seekEntry( target ); readEntry( buffer, ONE_KBYTE ); for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) { if ( buffer[ x ] == MP_SIG ) { *where = 1; *paddr = (x * sizeof( unsigned int )) + target; return; } } } else { if ( verbose ) printf( "NOT found\n" ); } /* read CMOS for real top of mem */ seekEntry( (vm_offset_t)TOPOFMEM_POINTER ); readEntry( &segment, 2 ); --segment; /* less ONE_KBYTE */ target = segment * 1024; if ( verbose ) printf( " searching CMOS 'top of mem' @ 0x%08x (%dK)\n", target, segment ); seekEntry( target ); readEntry( buffer, ONE_KBYTE ); for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) { if ( buffer[ x ] == MP_SIG ) { *where = 2; *paddr = (x * sizeof( unsigned int )) + target; return; } } /* we don't necessarily believe CMOS, check base of the last 1K of 640K */ if ( target != (DEFAULT_TOPOFMEM - 1024)) { target = (DEFAULT_TOPOFMEM - 1024); if ( verbose ) printf( " searching default 'top of mem' @ 0x%08x (%dK)\n", target, (target / 1024) ); seekEntry( target ); readEntry( buffer, ONE_KBYTE ); for ( x = 0; x < ONE_KBYTE / sizeof ( unsigned int ); NEXT(x) ) { if ( buffer[ x ] == MP_SIG ) { *where = 3; *paddr = (x * sizeof( unsigned int )) + target; return; } } } /* search the BIOS */ if ( verbose ) printf( " searching BIOS @ 0x%08x\n", BIOS_BASE ); seekEntry( BIOS_BASE ); readEntry( buffer, BIOS_SIZE ); for ( x = 0; x < BIOS_SIZE / sizeof( unsigned int ); NEXT(x) ) { if ( buffer[ x ] == MP_SIG ) { *where = 4; *paddr = (x * sizeof( unsigned int )) + BIOS_BASE; return; } } /* search the extended BIOS */ if ( verbose ) printf( " searching extended BIOS @ 0x%08x\n", BIOS_BASE2 ); seekEntry( BIOS_BASE2 ); readEntry( buffer, BIOS_SIZE ); for ( x = 0; x < BIOS_SIZE / sizeof( unsigned int ); NEXT(x) ) { if ( buffer[ x ] == MP_SIG ) { *where = 5; *paddr = (x * sizeof( unsigned int )) + BIOS_BASE2; return; } } if ( grope ) { /* search additional memory */ target = GROPE_AREA1; if ( verbose ) printf( " groping memory @ 0x%08x\n", target ); seekEntry( target ); readEntry( buffer, GROPE_SIZE ); for ( x = 0; x < GROPE_SIZE / sizeof( unsigned int ); NEXT(x) ) { if ( buffer[ x ] == MP_SIG ) { *where = 6; *paddr = (x * sizeof( unsigned int )) + GROPE_AREA1; return; } } target = GROPE_AREA2; if ( verbose ) printf( " groping memory @ 0x%08x\n", target ); seekEntry( target ); readEntry( buffer, GROPE_SIZE ); for ( x = 0; x < GROPE_SIZE / sizeof( unsigned int ); NEXT(x) ) { if ( buffer[ x ] == MP_SIG ) { *where = 7; *paddr = (x * sizeof( unsigned int )) + GROPE_AREA2; return; } } } *where = 0; *paddr = (vm_offset_t)0; } /* * */ static void seekEntry( vm_offset_t addr ) { if ( lseek( pfd, (off_t)addr, SEEK_SET ) < 0 ) { return; perror( "/dev/mem seek" ); exit( 1 ); } } /* * */ static void readEntry( void* entry, int size ) { if ( read( pfd, entry, size ) != size ) { return; perror( "readEntry" ); exit( 1 ); } } #endif /* __i386__ */ int detectSMP(void) { static int isSMP = -1; if (isSMP != -1) return isSMP; #ifdef __i386__ return isSMP = intelDetectSMP() || intelDetectSMP_mptable(); #elif __sparc__ return isSMP = sparcDetectSMP(); #elif __alpha__ return isSMP = alphaDetectSMP(); #elif __powerpc__ return isSMP = ppcDetectSMP(); #elif __ia64__ /* TODO: Update to check against /proc/pal/cpuX */ return isSMP = 1; #elif __x86_64__ return isSMP = intelDetectSMP() || intelDetectSMP_mptable(); #else #error unknown architecture #endif } #if TEST int main() { if (detectSMP()) printf("has smp\n"); else printf("no smp\n"); } #endif 97' href='#n197'>197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378
package detect_devices; # $Id: detect_devices.pm 267151 2010-03-30 14:27:41Z blino $

use diagnostics;
use strict;
use vars qw($pcitable_addons $usbtable_addons);

#-######################################################################################
#- misc imports
#-######################################################################################
use log;
use MDK::Common; # help perl_checker
use common;
use devices;
use run_program;
use modules;
use c;
use feature 'state';

#-#####################################################################################
#- Globals
#-#####################################################################################
my %serialprobe;

#-######################################################################################
#- Functions
#-######################################################################################

sub get() {
    #- Detect the default BIOS boot harddrive is kind of tricky. We may have IDE,
    #- SCSI and RAID devices on the same machine. From what I see so far, the default
    #- BIOS boot harddrive will be
    #- 1. The first IDE device if IDE exists. Or
    #- 2. The first SCSI device if SCSI exists. Or
    #- 3. The first RAID device if RAID exists.

    getIDE(), getSCSI(), getVirtIO(), getDAC960(), getCompaqSmartArray(), getATARAID();
}
sub hds()         { grep { may_be_a_hd($_) } get() }
sub tapes()       { grep { $_->{media_type} eq 'tape' } get() }
sub cdroms()      { grep { $_->{media_type} eq 'cdrom' } get() }
sub burners()     { grep { isBurner($_) } cdroms() }
sub dvdroms()     { grep { isDvdDrive($_) } cdroms() }
sub raw_zips()    { grep { member($_->{media_type}, 'fd', 'hd') && isZipDrive($_) } get() }
sub ls120s()      { grep { member($_->{media_type}, 'fd', 'hd') && isLS120Drive($_) } get() }
sub zips()        {
    map { 
	$_->{device} .= 4; 
	$_;
    } raw_zips();
}

sub floppies {
    my ($o_not_detect_legacy_floppies) = @_;
    require modules;
    state @fds;
    state $legacy_already_detected;

    $o_not_detect_legacy_floppies = 1 if arch() =~ /mips|arm/;

    if (!$o_not_detect_legacy_floppies && !$legacy_already_detected) {
        $legacy_already_detected = 1;
        eval { modules::load("floppy") if $::isInstall };
        #- do not bother probing /dev/fd0 and loading floppy device uselessly,
        #- it takes time and it is already done by boot process (if not in install):
        #-   /dev/fd0 is created by start_udev (/etc/udev/devices.d/default.nodes)
        #-   then hal probes /dev/fd0 and triggers floppy module loading through kernel's kmod
        if (any { (split)[1] eq 'fd' } cat_("/proc/devices")) {
            @fds = map {
                my $info = c::floppy_info(devices::make("fd$_"));
                if_($info && $info ne '(null)', { device => "fd$_", media_type => 'fd', info => $info });
            } qw(0 1);
        }
    }
        
    my @ide = ls120s() and eval { modules::load("ide_floppy") };

    eval { modules::load("usb_storage") } if $::isInstall && usbStorage();
    my @scsi = grep { $_->{media_type} eq 'fd' } getSCSI();
    @ide, @scsi, @fds;
}
sub floppies_dev() { map { $_->{device} } floppies() }
sub floppy() { first(floppies_dev()) }
#- example ls120, model = "LS-120 SLIM 02 UHD Floppy"

sub removables() {
    floppies(), cdroms(), zips();
}

sub get_sys_cdrom_info {
    my (@drives) = @_;

    my @drives_order;
    foreach (cat_("/proc/sys/dev/cdrom/info")) {
	my ($t, $l) = split ':';
	my @l;
	@l = split(' ', $l) if $l;
	if ($t eq 'drive name') {
	    @drives_order = map {
		my $dev = $_;
		find { $_->{device} eq $dev } @drives;
	    } @l;
	} else {
	    my $capacity;
	    if ($t eq 'Can write CD-R') {
		$capacity = 'burner';
	    } elsif ($t eq 'Can read DVD') {
		$capacity = 'DVD';
	    }
	    if ($capacity) {
		each_index {
		    ($drives_order[$::i] || {})->{capacity} .= "$capacity " if $_;
		} @l;
	    }
	}
    }
}

sub complete_usb_storage_info {
    my (@l) = @_;

    my @usb = grep { exists $_->{usb_vendor} } @l;

    foreach my $usb (usb_probe()) {
	if (my $e = find { !$_->{found} && $_->{usb_vendor} == $usb->{vendor} && $_->{usb_id} == $usb->{id} } @usb) {
         my $host = get_sysfs_usbpath_for_block($e->{device});
         if ($host) {
             my $file = "/sys/block/$host/../serial";
             $e->{info} = chomp_(cat_($file)) if -e $file;
             $e->{usb_description} = join('|', 
                                          chomp_(cat_("/sys/block/$host/../manufacturer")),
                                          chomp_(cat_("/sys/block/$host/../product")));
         }
         local $e->{found} = 1;
	    $e->{"usb_$_"} ||= $usb->{$_} foreach keys %$usb;
	}
    }
}

sub isBurner { 
    my ($e) = @_;
    $e->{capacity} =~ /burner/ and return 1;
      
    #- do not work for SCSI
    my $f = tryOpen($e->{device}); #- SCSI burner are not detected this way.
    $f && c::isBurner(fileno($f));
}
sub isDvdDrive {
    my ($e) = @_;
    $e->{capacity} =~ /DVD/ || $e->{info} =~ /DVD/ and return 1;

    #- do not work for SCSI
    my $f = tryOpen($e->{device});
    $f && c::isDvdDrive(fileno($f));
}
sub isZipDrive { $_[0]{info} =~ /ZIP\s+\d+/ } #- accept ZIP 100, untested for bigger ZIP drive.
sub isLS120Drive { $_[0]{info} =~ /LS-?120|144MB/ }
sub isKeyUsb { begins_with($_[0]{usb_media_type} || '', 'Mass Storage') && $_[0]{media_type} eq 'hd' }
sub isFloppyUsb { $_[0]{usb_driver} && $_[0]{usb_driver} eq 'Removable:floppy' }
sub may_be_a_hd { 
    my ($e) = @_;
    $e->{media_type} eq 'hd' && !(
	isZipDrive($e) 
           || isLS120Drive($e)
           || begins_with($e->{usb_media_type} || '', 'Mass Storage|Floppy (UFI)')
    );
}

sub get_sysfs_field_from_link {
    my ($device, $field) = @_;
    my $l = readlink("$device/$field");
    $l =~ s!.*/!!;
    $l;
}

sub get_sysfs_usbpath_for_block {
    my ($device) = @_;
    my $host = readlink("/sys/block/$device");
    $host =~ s!/host.*!!;
    $host;
}

sub get_scsi_driver {
    my (@l) = @_;
    # find driver of host controller from sysfs:
    foreach (@l) {
	next if $_->{driver};
	my $host = get_sysfs_usbpath_for_block($_->{device});
	require list_modules;
	$_->{driver} = list_modules::filename2modname(get_sysfs_field_from_link("/sys/block/$host", 'driver'));
    }
}

sub getSCSI() {
    my $dev_dir = '/sys/bus/scsi/devices';

    my @scsi_types = (
	"Direct-Access",
	"Sequential-Access",
	"Printer",
	"Processor",
	"WORM",
	"CD-ROM",
	"Scanner",
	"Optical Device",
	"Medium Changer",
	"Communications",
    );

    my @l;
    foreach (all($dev_dir)) {
	my ($host, $channel, $id, $lun) = split ':';
	defined $lun or next;

	my $dir = "$dev_dir/$_";

	# handle both old and new kernels:
	my $node =  find { -e $_ } "$dir/block", top(glob_("$dir/block*")), "$dir/tape", top(glob_("$dir/scsi_generic*"));
	my ($device) = readlink($node) =~ m!/(?:scsi_(?:generic|tape)|block)/(.*)!;
        if (!$device) {
            ($device) = top(glob_("$node/*")) =~ m!/(?:scsi_(?:generic|tape)|block)/(.*)!;
        }
	warn("cannot get info for device ($_)"), next if !$device;

	my $usb_dir = readlink($dir) =~ m!/usb! && "$dir/../../../..";
	my $get_usb = sub { chomp_(cat_("$usb_dir/$_[0]")) };

	my $get = sub {
	    my $s = cat_("$dir/$_[0]");
	    $s =~ s/\s+$//;
	    $s;
	};

	# Old hp scanners report themselves as "Processor"s
	# (see linux/include/scsi/scsi.h and sans-find-scanner.1)
	my $raw_type = $scsi_types[$get->('type')];

	my $media_type = ${{ st => 'tape', sr => 'cdrom', sd => 'hd', sg => 'generic' }}{substr($device, 0, 2)} ||
	  $raw_type =~ /Scanner|Processor/ && 'scanner';

	my ($vendor, $model) = ($get->('vendor'), $get->('model'));
	my ($v, $m) = _get_hd_vendor($model);
	if ($v && $m) {
            ($vendor, $model) = ($v, $m);
	}
	push @l, { info =>  $vendor . ' ' . $model, host => $host, channel => $channel, id => $id, lun => $lun, 
	  description => join('|', $vendor, $model),
	  bus => 'SCSI', media_type => $media_type, device => $device,
	    $usb_dir ? (
	  usb_vendor => hex($get_usb->('idVendor')), usb_id => hex($get_usb->('idProduct')),
	    ) : (),
        };
    } 

    @l = sort { $a->{host} <=> $b->{host} || $a->{channel} <=> $b->{channel} || $a->{id} <=> $b->{id} || $a->{lun} <=> $b->{lun} } @l;

    complete_usb_storage_info(@l);

    foreach (@l) {
	$_->{media_type} = 'fd' if $_->{media_type} eq 'hd' && isFloppyUsb($_);
    }

    get_sys_cdrom_info(@l);
    get_scsi_driver(@l);
    @l;
}


my %hd_vendors = (
    "ASUS" => "Asus",
    "ATA Maxtor" => "Maxtor",
    "CD-ROM CDU" => "Sony",
    "CD-ROM Drive/F5D" => "ASUSTeK",
    "Compaq" => "Compaq",
    "CONNER" => "Conner Peripherals",
    "IBM" => "IBM",
    "FUJITSU" => "Fujitsu",
    "HITACHI" => "Hitachi",
    "Lite-On" => "Lite-On Technology Corp.",
    "LITE-ON" => "Lite-On Technology Corp.",
    "LTN" => "Lite-On Technology Corp.",
    "IOMEGA" => "Iomega",
    "MAXTOR" => "Maxtor",
    "Maxtor" => "Maxtor",
    "Micropolis" => "Micropolis",
    "Pioneer" => "Pioneer",
    "PLEXTOR" => "Plextor",
    "QUANTUM" => "Quantum", 
    "SAMSUNG" => "Samsung",
    "Seagate " => "Seagate Technology",
    "ST3" => "Seagate Technology",
    "TEAC" => "Teac",
    "TOSHIBA" => "Toshiba",
    "WDC" => "Western Digital Corp.",
);

# return ($vendor, $model)
sub _get_hd_vendor {
    my ($info) = @_;
    foreach my $name (keys %hd_vendors) {
        next if !$name;
        return ($hd_vendors{$name}, $2) if $info =~ /^$name(-|\s)*(.*)/;
    }
    return ("Hitachi", $info) if $info =~ /^HD[ST][0-9]/;
}


sub getIDE() {
    my @idi;

    #- what about a system with absolutely no IDE on it, like some sparc machine.
    -e "/proc/ide" or return ();

    #- Great. 2.2 kernel, things are much easier and less error prone.
    foreach my $d (sort @{[glob_('/proc/ide/hd*')]}) {
	cat_("$d/driver") =~ /ide-scsi/ and next; #- already appears in /proc/scsi/scsi
	my $t = chomp_(cat_("$d/media"));
	my $type = ${{ disk => 'hd', cdrom => 'cdrom', tape => 'tape', floppy => 'fd' }}{$t} or next;
	my $info = chomp_(cat_("$d/model")) || "(none)";

	my $num = ord(($d =~ /(.)$/)[0]) - ord 'a';
	my ($vendor, $model) = _get_hd_vendor($info);

	my $host = $num;
	($host, my $id) = divide($host, 2);
	($host, my $channel) = divide($host, 2);

	push @idi, { media_type => $type, device => basename($d), 
		     info => $info, host => $host, channel => $channel, id => $id, bus => 'ide', 
		     if_($vendor, Vendor => $vendor), if_($model, Model => $model) };
    }
    get_sys_cdrom_info(@idi);
    @idi;
}

sub block_devices() {
    -d '/sys/block' 
      ? map { s|!|/|; $_ } all('/sys/block') 
      : map { $_->{dev} } do { require fs::proc_partitions; fs::proc_partitions::read_raw() };
}

sub getCompaqSmartArray() {
    my (@idi, $f);

    foreach ('array/ida', 'cpqarray/ida', 'cciss/cciss') {
	my $prefix = "/proc/driver/$_";
	my ($name) = m|/(.*)|;
	for (my $i = 0; -r ($f = "${prefix}$i"); $i++) {
	    my @raw_devices = cat_($f) =~ m|^\s*($name/.*?):|gm;

	    #- this is ugly and buggy. keeping it for 2007.0
	    #- on a cciss, cciss/cciss0 didn't contain c0d0, but cciss/cciss1 did contain c0d1
	    #- the line below adds both c0d0 and c0d1 for cciss0, and so some duplicates
	    @raw_devices or @raw_devices = grep { m!^$name/! } block_devices();

	    foreach my $raw_device (@raw_devices) {
		my $device = -d "/dev/$raw_device" ? "$raw_device/disc" : $raw_device;
		push @idi, { device => $device, prefix => $raw_device . 'p', 
			     info => "Compaq RAID logical disk",
			     media_type => 'hd', bus => $name };
	    }
	}
    }
    #- workaround the buggy code above. this should be safe though
    uniq_ { $_->{device} } @idi;
}

sub getDAC960() {
    my %idi;

    #- We are looking for lines of this format:DAC960#0:
    #- /dev/rd/c0d0: RAID-7, Online, 17928192 blocks, Write Thru0123456790123456789012
    foreach (syslog()) {
	my ($device, $info) = m|/dev/(rd/.*?): (.*?),| or next;
	$idi{$device} = { info => $info, media_type => 'hd', device => $device, bus => 'dac960' };
    }
    values %idi;
}

sub getATARAID() {
    my %l;
    foreach (syslog()) {
	my ($device) = m|^\s*(ataraid/d\d+):| or next;
	$l{$device} = { info => 'ATARAID block device', media_type => 'hd', device => $device, bus => 'ataraid' };
	log::l("ATARAID: $device");
    }
    values %l;
}

sub getVirtIO() {
    -d '/sys/bus/virtio/devices' or return;
    map {
            { device => basename($_), info => "VirtIO block device", media_type => 'hd', bus => 'virtio' };
    }
    glob("/sys/bus/virtio/devices/*/block/*");
}

# cpu_name : arch() =~ /^alpha/ ? "cpu	" :
# arch() =~ /^ppc/ ? "processor" : "vendor_id"

# cpu_model : arch() =~ /^alpha/ ? "cpu model" :
# arch() =~ /^ppc/ ? "cpu  " : "model name"

# cpu_freq = arch() =~ /^alpha/ ? "cycle frequency [Hz]" :
# arch() =~ /^ppc/ ? "clock" : "cpu MHz"

sub getCPUs() { 
    my (@cpus, $cpu);
    foreach (cat_("/proc/cpuinfo")) {
	   if (/^processor/) { # ix86 specific
		  push @cpus, $cpu if $cpu;
		  $cpu = {};
	   }
	   $cpu->{$1} = $2 if /^([^\t]+).*:\s(.*)$/;
	   $cpu->{processor}++ if $1 eq "processor";
    }
    push @cpus, $cpu;
    @cpus;
}

sub ix86_cpu_frequency() {
    cat_('/proc/cpuinfo') =~ /cpu MHz\s*:\s*(\d+)/ && $1;
}

sub probe_category {
    my ($category) = @_;

    require list_modules;
    my @modules = list_modules::category2modules($category);

    if_($category =~ /sound/ && arch() =~ /ppc/ && get_mac_model() !~ /IBM/,
	{ driver => 'snd_powermac', description => 'Macintosh built-in' },
    ),
    grep {
	if ($category eq 'network/isdn') {
	    my $b = $_->{driver} =~ /ISDN:([^,]*),?([^,]*)(?:,firmware=(.*))?/;
	    if ($b) {
                $_->{driver} = $1;
                $_->{type} = $2;
                $_->{type} =~ s/type=//;
                $_->{firmware} = $3;
                $_->{driver} eq "hisax" and $_->{options} .= " id=HiSax";
	    }
	    $b;
	} else {
	    member($_->{driver}, @modules);
	}
    } probeall();
}

sub getSoundDevices() {
    probe_category('multimedia/sound');
}

sub isTVcardConfigurable { member($_[0]{driver}, qw(bttv cx88 saa7134)) }

sub getTVcards() { probe_category('multimedia/tv') }

sub getInputDevices() {
    my (@devices, $device);
    my $event;
    foreach (cat_('/proc/bus/input/devices')) {
        if (/^I:/) {
            $device = {};
            $device->{vendor} = /Vendor=(\w+)/ && $1;
            $device->{id} = /Product=(\w+)/ && $1;
            $device->{bustype} = /Bus=(\w+)/ && $1;
        } elsif (/N: Name="(.*)"/) {
	    my $descr = $1;
	    $device->{description} = "|$descr";

	    #- I: Bus=0011 Vendor=0002 Product=0008 Version=7321
	    #- N: Name="AlpsPS/2 ALPS GlidePoint"
	    #- P: Phys=isa0060/serio1/input0
	    #- H: Handlers=mouse1 event2 ts1
	    #- B: EV=f
	    #- B: KEY=420 0 70000 0 0 0 0 0 0 0 0 #=> BTN_LEFT BTN_RIGHT BTN_MIDDLE BTN_TOOL_FINGER BTN_TOUCH
	    #-    or B: KEY=420 0 670000 0 0 0 0 0 0 0 0 #=> same with BTN_BACK
	    #- B: REL=3       #=> X Y
	    #- B: ABS=1000003 #=> X Y PRESSURE

	    #- I: Bus=0011 Vendor=0002 Product=0008 Version=2222
	    #- N: Name="AlpsPS/2 ALPS DualPoint TouchPad"
	    #- P: Phys=isa0060/serio1/input0
	    #- S: Sysfs=/class/input/input2
	    #- H: Handlers=mouse1 ts1 event2 
	    #- B: EV=f
	    #- B: KEY=420 0 70000 0 0 0 0 0 0 0 0
	    #- B: REL=3
	    #- B: ABS=1000003

	    #- I: Bus=0011 Vendor=0002 Product=0007 Version=0000
	    #- N: Name="SynPS/2 Synaptics TouchPad"
	    #- P: Phys=isa0060/serio1/input0
	    #- S: Sysfs=/class/input/input1
	    #- H: Handlers=mouse0 event1 ts0
	    #- B: EV=b
	    #- B: KEY=6420 0 70000 0 0 0 0 0 0 0 0 #=> BTN_LEFT BTN_RIGHT BTN_MIDDLE BTN_TOOL_FINGER BTN_TOUCH BTN_TOOL_DOUBLETAP BTN_TOOL_TRIPLETAP
	    #-    or B: KEY=6420 0 670000 0 0 0 0 0 0 0 0  #=> same with BTN_BACK
	    #-    or B: KEY=420 30000 670000 0 0 0 0 0 0 0 0 #=> same without BTN_TOOL_TRIPLETAP but with BTN_B
	    #- B: ABS=11000003 #=> X Y PRESSURE TOOL_WIDTH

	    #- I: Bus=0003 Vendor=056a Product=0065 Version=0108
	    #- N: Name="Wacom Bamboo"
	    #- B: KEY=1c63 0 70033 0 0 0 0 0 0 0 0 #=> BTN_0 BTN_1 BTN_4 BTN_5 BTN_LEFT BTN_RIGHT BTN_MIDDLE TOOL_PEN TOOL_RUBBER TOOL_BRUSH TOOL_FINGER TOOL_MOUSE TOUCH STYLUS STYLUS2
            #- B: ABS=100 3000103 #=> X Y WHEEL PRESSURE DISTANCE MISC

	    #- I: Bus=0003 Vendor=056a Product=0011 Version=0201
	    #- N: Name="Wacom Graphire2 4x5"
            #- B: KEY=1c43 0 70000 0 0 0 0 0 0 0 0 #=> BTN_LEFT BTN_RIGHT BTN_MIDDLE TOOL_PEN TOOL_RUBBER TOOL_FINGER TOOL_MOUSE TOUCH STYLUS STYLUS2
            #- B: ABS=100 3000003 #=> X Y PRESSURE DISTANCE MISC

            #I: Bus=0003 Vendor=049f Product=0024 Version=0001
	    #N: Name="Compaq Compaq Numeric Keypad"
	    #P: Phys=usb-0000:00:03.2-2/input0
	    #S: Sysfs=/class/input/input7
	    #H: Handlers=kbd event3
	    #B: EV=120003
	    #B: KEY=10000 7 ff800000 7ff febeffdf ffefffff ffffffff fffffffe
	    #B: LED=1f

	    $device->{Synaptics} = $descr eq 'SynPS/2 Synaptics TouchPad';
	    $device->{ALPS} = $descr =~ m!^AlpsPS/2 ALPS!;
	    $device->{Elantech} = $descr eq 'ETPS/2 Elantech Touchpad';
	    $device->{Numpad} = $descr =~ /Numeric Keypad/;

	} elsif (/H: Handlers=(.*)/) {
	    my @l = split(' ', $1);
	    $device->{driver} = $l[0]; #- keep it for compatibility
	    $device->{Handlers} = +{ map { (/^(.*?)\d*$/ ? $1 : $_, $_) } split(' ', $1) };
	    $event = $device->{Handlers}{event};
	} elsif (/S: Sysfs=(.+)/) {
	    $device->{sysfs_path} = $1;
	} elsif (/P: Phys=(.*)/) {
            $device->{location} = $1;
            $device->{bus} = 'isa' if $device->{location} =~ /^isa/;
            $device->{bus} = 'usb' if $device->{location} =~ /^usb/i;
	} elsif (/B: REL=(.* )?(.*)/) {
	    #- REL=3   #=> X Y
	    #- REL=103 #=> X Y WHEEL
	    #- REL=143 #=> X Y HWHEEL WHEEL
	    #- REL=1c3 #=> X Y HWHEEL DIAL WHEEL
	    my $REL = hex($2);
	    $device->{HWHEEL} = 1 if $REL & (1 << 6);
	    $device->{WHEEL} = 1 if $REL & (1 << 8); #- not reliable ("Mitsumi Apple USB Mouse" says REL=103 and KEY=1f0000 ...)

	} elsif (/B: KEY=(\S+)/) {	   
	    #- some KEY explained:
	    #- (but note that BTN_MIDDLE can be reported even if missing)
	    #- (and "Mitsumi Apple USB Mouse" reports 1f0000)
	    #- KEY=30000 0 0 0 0 0 0 0 0  #=> BTN_LEFT BTN_RIGHT
	    #- KEY=70000 0 0 0 0 0 0 0 0  #=> BTN_LEFT BTN_RIGHT BTN_MIDDLE
	    #- KEY=1f0000 0 0 0 0 0 0 0 0 #=> BTN_LEFT BTN_RIGHT BTN_MIDDLE BTN_SIDE BTN_EXTRA
	    if (! -f "/dev/input/$event") {
		    devices::make("/dev/input/$event");
	    }
	    my @KEYS = c::EVIocGBitKey("/dev/input/$event");
	    $device->{SIDE} = 1 if $KEYS[0] & (1 << 0x13);

        } elsif (/^\s*$/) {
	    push @devices, $device if $device;
	    undef $device;
	}
    }
    @devices;
}

sub getInputDevices_and_usb() {
    my @l = getInputDevices();

    foreach my $usb (usb_probe()) {
	if (my $e = find { hex($_->{vendor}) == $usb->{vendor} && hex($_->{id}) == $usb->{id} } @l) {
	    $e->{usb} = $usb;
	}
    }

    @l;
}

sub serialPorts() { map { "ttyS$_" } 0..7 }
sub serialPort2text {
    $_[0] =~ /ttyS(\d+)/ ? "$_[0] / COM" . ($1 + 1) : $_[0];
}

sub getSerialModem {
    my ($modules_conf, $o_mouse) = @_;
    my $mouse = $o_mouse || {};
    $mouse->{device} = readlink "/dev/mouse";
    my $serdev = arch() =~ /ppc/ ? "macserial" : arch() =~ /mips/ ? "8250" : "serial";

    eval { modules::load($serdev) };

    my @modems;

    probeSerialDevices();
    foreach my $port (serialPorts()) {
	next if $mouse->{device} =~ /$port/;
     my $device = "/dev/$port";
	next if !-e $device || !hasModem($device);
     $serialprobe{$device}{device} = $device;
     push @modems, $serialprobe{$device};
    }
    my @devs = pcmcia_probe();
    foreach my $modem (@modems) {
        #- add an alias for macserial on PPC
        $modules_conf->set_alias('serial', $serdev) if arch() =~ /ppc/ && $modem->{device};
        foreach (@devs) { $_->{device} and $modem->{device} = $_->{device} }
    }
    @modems;
}

our $detect_serial_modem = 1;
sub getModem {
    my ($modules_conf) = @_;
    ($detect_serial_modem ? getSerialModem($modules_conf, {}) : ()), get_winmodems();
}

sub get_winmodems() {
    matching_driver__regexp('www\.linmodems\.org'),
    matching_driver(list_modules::category2modules('network/modem'),
    list_modules::category2modules('network/slmodem'));
}

sub getBewan() {
    matching_desc__regexp('Bewan Systems\|.*ADSL|BEWAN ADSL USB|\[Unicorn\]');
}

# generate from the following from eci driver sources:
# perl -e 'while (<>) { print qq("$1$2",\n"$3$4",\n) if /\b([a-z\d]*)\s*([a-z\d]*)\s*([a-z\d]*)\s*([a-z\d]*)$/ }' <modems.db|sort|uniq
sub getECI() {
    my @ids = (
              "05090801",
              "05472131",
              "06590915",
              "071dac81",
              "08ea00c9",
              "09150001",
              "09150002",
              "091500ca",
              "091500e7",
              "09150101",
              "09150102",
              "09150204",
              "09150206",
              "09150802",
              "09150916",
              "09158000",
              "09158001",
              "0915ac82",
              "0baf00e6",
              "0e600100",
              "0e600101",
              "0fe88000",
              "16900203",
              "16900205",
             );
    grep { member(sprintf("%04x%04x%04x%04x", $_->{vendor}, $_->{id}, $_->{subvendor}, $_->{subid}), @ids) } usb_probe();
}

sub get_xdsl_usb_devices() {
    my @bewan = detect_devices::getBewan();
    $_->{driver} = $_->{bus} eq 'USB' ? 'unicorn_usb_atm' : 'unicorn_pci_atm' foreach @bewan;
    my @eci = detect_devices::getECI();
    $_->{driver} = 'eciusb' foreach @eci;
    my @usb = detect_devices::probe_category('network/usb_dsl');
    $_->{description} = "USB ADSL modem (eagle chipset)" foreach
      grep { $_->{driver} eq 'ueagle_atm' && $_->{description} eq '(null)' } @usb;
    @usb, @bewan, @eci;
}

sub is_lan_interface {
    #- we want LAN like interfaces here (eg: ath|br|eth|fddi|plip|ra|tr|usb|wlan).
    #- there's also bnep%d for bluetooth, bcp%d...
    #- we do this by blacklisting the following interfaces:
    #-   hso%d are created by drivers/net/usb/hso.c
    #-   ippp|isdn|plip|ppp (initscripts suggest that isdn%d can be created but kernel sources claim not)
    #-   ippp%d are created by drivers/isdn/i4l/isdn_ppp.c
    #-   plip%d are created by drivers/net/plip.c
    #-   ppp%d are created by drivers/net/ppp_generic.c
    #-   pan%d are created by bnep
    is_useful_interface($_[0]) &&
    $_[0] !~ /^(?:hso|ippp|isdn|plip|ppp|pan)/;
}

sub is_useful_interface {
    #- sit0 which is *always* created by net/ipv6/sit.c, thus is always created since net.agent loads ipv6 module
    #- wifi%d are created by 3rdparty/hostap/hostap_hw.c (pseudo statistics devices, #14523)
    #- wmaster%d are created by net/mac80211/ieee80211.c ("master" 802.11 device)
    #- ax*, rose*, nr*, bce* and scc* are Hamradio devices (#28776)
    $_[0] !~ /^(?:lo|sit0|wifi|wmaster|ax|rose|nr|bce|scc)/;
}

sub is_wireless_interface {
    my ($interface) = @_;
    #- some wireless drivers don't always support the SIOCGIWNAME ioctl
    #-   ralink devices need to be up to support it
    #-   wlan-ng (prism2_*) need some special tweaks to support it
    #- use sysfs as fallback to detect wireless interfaces,
    #- i.e interfaces for which get_wireless_stats() is available
    c::isNetDeviceWirelessAware($interface) || -e "/sys/class/net/$interface/wireless";
}

sub get_all_net_devices() {
    #- we need both detection schemes since:
    #-   get_netdevices() use the SIOCGIFCONF ioctl that does not list interfaces that are down
    #-   /proc/net/dev does not list VLAN and IP aliased interfaces
    uniq(
        (map { if_(/^\s*([A-Za-z0-9:\.]*):/, $1) } cat_("/proc/net/dev")),
        c::get_netdevices(),
    );
}

sub get_lan_interfaces() { grep { is_lan_interface($_) } get_all_net_devices() }
sub get_net_interfaces() { grep { is_useful_interface($_) } get_all_net_devices() }
sub get_wireless_interface() { find { is_wireless_interface($_) } get_lan_interfaces() }

sub is_bridge_interface {
    my ($interface) = @_;
    -f "/sys/class/net/$interface/bridge/bridge_id";
}

sub get_ids_from_sysfs_device {
    my ($dev_path) = @_;
    my $dev_cat = sub { chomp_(cat_("$dev_path/$_[0]")) };
    my $usb_root = -f "$dev_path/bInterfaceNumber" && "../" || -f "$dev_path/idVendor" && "";
    my $is_pcmcia = -f "$dev_path/card_id";
    my $sysfs_ids;
    my $bus = get_sysfs_field_from_link($dev_path, "subsystem");
    #- FIXME: use $bus
    if ($is_pcmcia) {
      $sysfs_ids = { modalias => $dev_cat->('modalias') };
    } else {
        $sysfs_ids = $bus eq 'ieee1394' ?
          {
            version => "../vendor_id",
            specifier_id => "specifier_id",
            specifier_version => "version",
          } :
        defined $usb_root ?
          { id => $usb_root . 'idProduct', vendor => $usb_root . 'idVendor' } :
          { id => "device", subid => "subsystem_device", vendor => "vendor", subvendor => "subsystem_vendor" };
        $_ = hex($dev_cat->($_)) foreach values %$sysfs_ids;
        if ($bus eq 'pci') {
            my $device = basename(readlink $dev_path);
            my @ids = $device =~ /^(.{4}):(.{2}):(.{2})\.(.+)$/;
            @$sysfs_ids{qw(pci_domain pci_bus pci_device pci_function)} = map { hex($_) } @ids if @ids;
        }
    }
    $sysfs_ids;
}

sub device_matches_sysfs_ids {
    my ($device, $sysfs_ids) = @_;
    every { defined $device->{$_} && member($device->{$_}, $sysfs_ids->{$_}, 0xffff) } keys %$sysfs_ids;
}

sub device_matches_sysfs_device {
  my ($device, $dev_path) = @_;
  device_matches_sysfs_ids($device, get_ids_from_sysfs_device($dev_path));
}

sub getUPS() {
    # MGE serial PnP devices:
    (map {
        $_->{port} = $_->{DEVICE};
        $_->{bus} = "Serial";
        $_->{driver} = "mge-utalk" if $_->{MODEL} =~ /0001/;
        $_->{driver} = "mge-shut"  if $_->{MODEL} =~ /0002/;
        $_->{media_type} = 'UPS';
        $_->{description} = "MGE UPS SYSTEMS|UPS - Uninterruptible Power Supply" if $_->{MODEL} =~ /000[12]/;
        $_;
    } grep { $_->{DESCRIPTION} =~ /MGE UPS/ } values %serialprobe),
    # USB UPSs;
    (map { ($_->{name} = $_->{description}) =~ s/.*\|//; $_ }
        map {
            if ($_->{description} =~ /^American Power Conversion\|Back-UPS/ && $_->{driver} eq 'usbhid') {
                #- FIXME: should not be hardcoded, use $_->{sysfs_device} . */usb:(hiddev\d+)
                #- the device should also be assigned to the ups user
                $_->{port} = "/dev/hiddev0";
                $_->{driver} = 'hidups';
                $_;
            } elsif ($_->{description} =~ /^MGE UPS Systems\|/ && $_->{driver} =~ /ups$/) {
                $_->{port} = "auto";
                $_->{media_type} = 'UPS';
                $_->{driver} = 'newhidups';
                $_;
            } else {
                ();
            }
        } usb_probe());
}

$pcitable_addons = <<'EOF';
# add here lines conforming the pcitable format (0xXXXX\t0xXXXX\t"\w+"\t".*")
EOF

$usbtable_addons = <<'EOF';
# add here lines conforming the usbtable format (0xXXXX\t0xXXXX\t"\w+"\t".*")
EOF

sub install_addons {
    my ($prefix) = @_;

    #- this test means install_addons can only be called after ldetect-lst has been installed.
    if (-d "$prefix/usr/share/ldetect-lst") {
	my $update = 0;
	foreach ([ 'pcitable.d', $pcitable_addons ], [ 'usbtable.d', $usbtable_addons ]) {
	    my ($dir, $str) = @$_;
	    -d "$prefix/usr/share/ldetect-lst/$dir" && $str =~ /^[^#]/m and $update = 1 and
	      output "$prefix/usr/share/ldetect-lst/$dir/95drakx.lst", $str;
	}
	$update and run_program::rooted($prefix, "/usr/sbin/update-ldetect-lst");
    }
}

sub add_addons {
    my ($addons, @l) = @_;

    foreach (split "\n", $addons) {
	/^\s/ and die qq(bad detect_devices::probeall_addons line "$_");
	s/^#.*//;
	s/"(.*?)"/$1/g;
	next if /^$/;
	my ($vendor, $id, $driver, $description) = split("\t", $_, 4) or die qq(bad detect_devices::probeall_addons line "$_");
	foreach (@l) {
	    $_->{vendor} == hex $vendor && $_->{id} == hex $id or next;
	    put_in_hash($_, { driver => $driver, description => $description });
	}
    }
    @l;
}

sub get_pci_sysfs_path {
    my ($l) = @_;
    sprintf('%04x:%02x:%02x.%d', $l->{pci_domain}, $l->{pci_bus}, $l->{pci_device}, $l->{pci_function});
}


my (@pci, @usb);

sub pci_probe__real() {
    add_addons($pcitable_addons, map {
	my %l;
	@l{qw(vendor id subvendor subid pci_domain pci_bus pci_device pci_function pci_revision is_pciexpress media_type nice_media_type driver description)} = split "\t";
	$l{$_} = hex $l{$_} foreach qw(vendor id subvendor subid);
	$l{bus} = 'PCI';
	$l{sysfs_device} = '/sys/bus/pci/devices/' . get_pci_sysfs_path(\%l);
	\%l;
    } c::pci_probe());
}
sub pci_probe() {
    state $done;
    if (!$done) {
        @pci = pci_probe__real() if !@pci;
        foreach (@pci) {
            $_->{nice_bus} = $_->{is_pciexpress} ? "PCI Express" : "PCI";
        }
    }
    @pci;
}

sub usb_probe__real() {
    -e "/proc/bus/usb/devices" or return;

    add_addons($usbtable_addons, map {
	my %l;
	@l{qw(vendor id media_type driver description pci_bus pci_device usb_port)} = split "\t";
	$l{media_type} = join('|', grep { $_ ne '(null)' } split('\|', $l{media_type}));
	$l{$_} = hex $l{$_} foreach qw(vendor id);
	$l{sysfs_device} = "/sys/bus/usb/devices/$l{pci_bus}-" . ($l{usb_port} + 1);
	$l{bus} = 'USB';
	\%l;
    } c::usb_probe());
}
sub usb_probe() {
    if ($::isStandalone && @usb) {
	    @usb;
    } else {
	    @usb = usb_probe__real();
    }
}

sub firewire_probe() {
    my $dev_dir = '/sys/bus/ieee1394/devices';
    my @l = map {
        my $dir = "$dev_dir/$_";
        my $get = sub { chomp_(cat_($_[0])) };
        {
            version => hex($get->("$dir/../vendor_id")),
            specifier_id => hex($get->("$dir/specifier_id")),
            specifier_version => hex($get->("$dir/version")),
            bus => 'Firewire',
            sysfs_device => $dir,
        };
    } grep { -f "$dev_dir/$_/specifier_id" } all($dev_dir);

    my $e;
    foreach (cat_('/proc/bus/ieee1394/devices')) {
	if (m!Vendor/Model ID: (.*) \[(\w+)\] / (.*) \[(\w+)\]!) {
	    push @l, $e = { 
			   vendor => hex($2), id => hex($4), 
			   description => join('|', $1, $3),
			   bus => 'Firewire',
			  };
	} elsif (/Software Specifier ID: (\w+)/) {
	    $e->{specifier_id} = hex $1;
	} elsif (/Software Version: (\w+)/) {
	    $e->{specifier_version} = hex $1;	    
	}
    }

    foreach (@l) {
	if ($_->{specifier_id} == 0x00609e && $_->{specifier_version} == 0x010483) {
	    add2hash($_, { driver => 'sbp2', description => "Generic Firewire Storage Controller" });
	} elsif ($_->{specifier_id} == 0x00005e && $_->{specifier_version} == 0x000001) {
	    add2hash($_, { driver => 'eth1394', description => "IEEE 1394 IPv4 Driver (IPv4-over-1394 as per RFC 2734)" });
	}
    }
    @l;
}

sub pcmcia_controller_probe() {
    my ($controller) =  probe_category('bus/pcmcia');
    if (!$controller && !$::testing && !$::noauto && arch() =~ /i.86/) {
        my $driver = c::pcmcia_probe();
        $controller = { driver => $driver, description => "PCMCIA controller ($driver)" } if $driver;
    }
    $controller;
}

sub pcmcia_probe() {
    require modalias;
    require modules;
    my $dev_dir = '/sys/bus/pcmcia/devices';
    map {
        my $dir = "$dev_dir/$_";
        my $get = sub { chomp_(cat_("$dir/$_[0]")) };
        my $class_dev = first(glob_("$dir/tty/tty*"));
        my $device = $class_dev && basename($class_dev);
        my $modalias = $get->('modalias');
        my $driver = get_sysfs_field_from_link($dir, 'driver');
        #- fallback on modalias result
        #- but only if the module isn't loaded yet (else, it would already be binded)
        #- this prevents from guessing the wrong driver for multi-function devices
        my $module = $modalias && first(modalias::get_modules($modalias));
        $driver ||= !member($module, modules::loaded_modules()) && $module;
        {
            description => join(' ', grep { $_ } map { $get->("prod_id$_") } 1 .. 4),
            driver => $driver,
            if_($modalias, modalias => $modalias),
            if_($device, device => $device),
            bus => 'PCMCIA',
            sysfs_device => $dir,
        };
    } all($dev_dir);
}

sub dmi_probe() {
    state $dmi_probe;
    if (arch() !~ /86/) {
        return [];
    }
    $dmi_probe ||= [ map {
	/(.*?)\t(.*)/ && { bus => 'DMI', driver => $1, description => $2 };
    } $> ? () : c::dmi_probe() ];
    @$dmi_probe;
}

# pcmcia_probe provides field "device", used in network.pm
# => probeall with $probe_type is unsafe
sub probeall() {
    return if $::noauto;

    pci_probe(), usb_probe(), firewire_probe(), pcmcia_probe(), dmi_probe(), getInputDevices_and_usb();
}
sub probeall_update_cache() {
    return if $::noauto;
    @pci = pci_probe__real(), @usb = usb_probe__real(), firewire_probe(), pcmcia_probe(), dmi_probe();
}
sub matching_desc__regexp {
    my ($regexp) = @_;
    grep { $_->{description} =~ /$regexp/i } probeall();
}
sub matching_driver__regexp {
    my ($regexp) = @_;
    grep { $_->{driver} =~ /$regexp/i } probeall();
}

sub matching_driver {
    my (@list) = @_;
    grep { member($_->{driver}, @list) } probeall();
}
sub probe_name {
    my ($name) = @_;
    map { $_->{driver} =~ /^$name:(.*)/ } probeall();
}
sub probe_unique_name {
    my ($name) = @_;
    my @l = uniq(probe_name($name));
    if (@l > 1) {
	log::l("oops, more than one $name from probe: ", join(' ', @l));
    }
    $l[0];
}

sub stringlist {
    my ($b_verbose) = @_;
    map {
	my $ids = $b_verbose || $_->{description} eq '(null)' ?  sprintf("vendor:%04x device:%04x", $_->{vendor}, $_->{id}) : '';
	my $subids = $_->{subid} && $_->{subid} != 0xffff ? sprintf("subv:%04x subd:%04x", $_->{subvendor}, $_->{subid}) : '';
	sprintf("%-16s: %s%s%s", 
		$_->{driver} || 'unknown', 
		$_->{description},
		$_->{media_type} ? sprintf(" [%s]", $_->{media_type}) : '',
		$ids || $subids ? " ($ids" . ($ids && $subids && " ") . "$subids)" : '',
	       );
    } probeall(); 
}

sub tryOpen($) {
    my $F;
    sysopen($F, devices::make($_[0]), c::O_NONBLOCK()) && $F;
}

sub tryWrite($) {
    my $F;
    sysopen($F, devices::make($_[0]), 1 | c::O_NONBLOCK()) && $F;
}

my @dmesg;
sub syslog() {
    if (-r "/tmp/syslog") {
	map { /<\d+>(.*)/ } cat_("/tmp/syslog");
    } else {
	@dmesg = `/bin/dmesg` if !@dmesg;
	@dmesg;
    }
}

sub get_mac_model() {
    my $mac_model = cat_("/proc/device-tree/model") || die "Cannot open /proc/device-tree/model";
    log::l("Mac model: $mac_model");
    $mac_model;	
}

sub get_mac_generation() {
    cat_('/proc/cpuinfo') =~ /^pmac-generation\s*:\s*(.*)/m ? $1 : "Unknown Generation";	
}

sub hasSMP() { 
    return if $::testing;
    (any { /NR_CPUS limit of 1 reached/ } syslog()) ||
     (any { /^processor\s*:\s*(\d+)/ && $1 > 0 } cat_('/proc/cpuinfo')) ||
      any { /\bProcessor #(\d+)\s+(\S*)/ && $1 > 0 && $2 ne 'invalid' } syslog();
}
sub hasPCMCIA() { $::o->{pcmcia} }

my (@dmis, $dmidecode_already_runned);

# we return a list b/c several DMIs have the same name:
sub dmidecode() {
    return @dmis if $dmidecode_already_runned;

    return if $>;
    my ($ver, @l) = arch() =~ /86/ ? run_program::get_stdout('dmidecode') : ();

    my $tab = "\t";

    my ($major, $minor) = $ver =~ /(\d+)\.(\d+)/;

    if ($major > 2 || $major == 2 && $minor > 7) {
	#- new dmidecode output is less indented
	$tab = '';
	#- drop header
	shift @l while @l && $l[0] ne "\n";
    }

    foreach (@l) {
	next if /TRUNCATED/;
	if (/^$tab\t(.*)/) {
	    $dmis[-1]{string} .= "$1\n";
	    $dmis[-1]{$1} = $2 if /^$tab\t(.*): (.*)$/;
	} elsif (my ($s) = /^$tab(.*)/) {
	    next if $s =~ /^$/ || $s =~ /\bDMI type \d+/;
	    $s =~ s/ Information$//;
	    push @dmis, { name => $s };
	}
    }
    $dmidecode_already_runned = 1;
    @dmis;
}
sub dmidecode_category {
    my ($cat) = @_;
    my @l = grep { $_->{name} eq $cat } dmidecode();
    wantarray() ? @l : $l[0] || {};
}

#- size in MB
sub dmi_detect_memory() {
    my @l1 = map { $_->{'Enabled Size'} =~ /(\d+) MB/ && $1 } dmidecode_category('Memory Module');
    my @l2 = map { $_->{'Form Factor'} =~ /^(SIMM|SIP|DIP|DIMM|FB-DIMM|RIMM|SODIMM|SRIMM)$/ && 		     
		     ($_->{Size} =~ /(\d+) MB/ && $1 || $_->{Size} =~ /(\d+) kB/ && $1 * 1024);
		 } dmidecode_category('Memory Device');
    max(sum(@l1), sum(@l2));
}

sub computer_info() {
     my $Chassis = dmidecode_category('Chassis')->{Type} =~ /(\S+)/ && $1;

     my $date = dmidecode_category('BIOS')->{'Release Date'} || '';
     my $BIOS_Year = $date =~ m!(\d{4})! && $1 ||
	             $date =~ m!\d\d/\d\d/(\d\d)! && "20$1";
	
     +{ 
	 isLaptop => member($Chassis, 'Portable', 'Laptop', 'Notebook', 'Hand Held', 'Sub Notebook', 'Docking Station'),
	 isServer => member($Chassis, 'Pizza Box', 'Main Server Chassis', 'Rack Mount Chassis', 'Blade'),
	 if_($BIOS_Year, BIOS_Year => $BIOS_Year),
     };
}

#- try to detect a laptop, we assume pcmcia service is an indication of a laptop or
#- the following regexp to match graphics card apparently only used for such systems.
sub isLaptop() {
    arch() =~ /ppc/ ? 
      get_mac_model() =~ /Book/ :
      computer_info()->{isLaptop}
	|| glob_("/sys/bus/acpi/devices/PNP0C0D:*") #- ACPI lid button
	|| (matching_desc__regexp('C&T.*655[45]\d') || matching_desc__regexp('C&T.*68554') ||
	    matching_desc__regexp('Neomagic.*Magic(Media|Graph)') ||
	    matching_desc__regexp('ViRGE.MX') || matching_desc__regexp('S3.*Savage.*[IM]X') ||
	    matching_desc__regexp('Intel Corporation\|Mobile') ||
	    matching_desc__regexp('\bATI\b.*(Mobility|\bLT\b)'))
	|| (any { $_->{'model name'} =~ /\b(mobile|C7-M)\b/i } getCPUs())
	|| probe_unique_name("Type") eq 'laptop'
        #- ipw2100/2200/3945 are Mini-PCI (Express) adapters
	|| (any { member($_->{driver}, qw(ipw2100 ipw2200 ipw3945)) } pci_probe());
}

sub isServer() {
    computer_info()->{isServer}
      || (any { $_->{Type} =~ /ECC/ } dmidecode_category('Memory Module'))
      || dmidecode_category('System Information')->{Manufacturer} =~ /Supermicro/i
      || dmidecode_category('System Information')->{'Product Name'} =~ /NetServer|Proliant|PowerEdge|eServer|IBM System x|ThinkServer/i
      || matching_desc__regexp('LSI Logic.*SCSI')
      || matching_desc__regexp('MegaRAID')
      || matching_desc__regexp('NetServer')
      || (any { $_->{'model name'} =~ /(Xeon|Opteron)/i } getCPUs());
}

sub BIGMEM() {
    arch() !~ /x86_64|ia64/ && $> == 0 && dmi_detect_memory() > 4 * 1024;
}

sub is_i586() {
    return 0 if arch() !~ /86/;
    my $cpuinfo = cat_('/proc/cpuinfo');
    $cpuinfo =~ /^cpu family\s*:\s*(\d+)/m && $1 < 6 ||
      $cpuinfo =~ /^model name\s*:\s*Transmeta.* TM5800/m || # mdvbz#37866
      !has_cpu_flag('cmov');
}

sub is_mips_lemote() {
    to_bool(cat_('/proc/cpuinfo') =~ /lemote/);
}

sub is_mips_ict() {
    to_bool(cat_('/proc/cpuinfo') =~ /ict/);
}

sub is_mips_gdium() {
    to_bool(cat_('/proc/cpuinfo') =~ /gdium/);
}

sub is_mips_st_ls2f() {
    to_bool(cat_('/proc/cpuinfo') =~ /st-ls2f/);
}

sub is_arm_openrd_client() {
    to_bool(cat_('/proc/cpuinfo') =~ /OpenRD Client/);
}

sub is_arm_versatile() {
    to_bool(cat_('/proc/cpuinfo') =~ /ARM-Versatile/);
}

sub is_arm_efikamix() {
    to_bool(cat_('/proc/cpuinfo') =~ /Efika MX/);
}

sub is_xbox() {
    any { $_->{vendor} == 0x10de && $_->{id} == 0x02a5 } pci_probe();
}

sub is_virtualbox() {
    any { $_->{driver} eq 'vboxadd' } detect_devices::pci_probe();
}

sub is_vmware() {
    any { $_->{driver} =~ /Card:VMware/ } detect_devices::pci_probe();
}

sub is_netbook_nettop() {
    my @cpus = getCPUs();
    (any { $_->{'model name'} =~ /(\bIntel\(R\) Atom\(TM\)\B)/i } @cpus) ||
    (any { $_->{'model name'} =~ /(\bIntel\(R\) Celeron\(R\) M processor\b|\bVIA C7-M Processor\b|\bGeode\(TM\)\B)/i && $_->{'cpu MHz'} < 1500 } @cpus);
}

sub has_low_resources() {
    availableRamMB() < 100 || arch() =~ /i.86/ && ix86_cpu_frequency() < 350;
}

sub need_light_desktop() {
    has_low_resources() || is_netbook_nettop();
}

sub has_cpu_flag {
    my ($flag) = @_;
    cat_('/proc/cpuinfo') =~ /^flags.*\b$flag\b/m;
}

sub matching_types() {
    +{
	mips_lemote => is_mips_lemote(),
	mips_ict => is_mips_ict(),
	mips_st_ls2f => is_mips_st_ls2f(),
	laptop => isLaptop(),
	'numpad' => hasNumpad(),
	'touchpad' => hasTouchpad(),
	'64bit' => to_bool(arch() =~ /64/),
	wireless => to_bool(get_wireless_interface() || probe_category('network/wireless')),
    };
}

sub hasCPUMicrocode() {
    state $hasCPUMicrocode;
    if (!defined $hasCPUMicrocode) {
        eval { modules::load('microcode') };
        $hasCPUMicrocode = to_bool(find { 'microcode' } modules::loaded_modules());
    }
    return $hasCPUMicrocode;
}

sub hasCPUFreq()     {
    require cpufreq;
     to_bool(cpufreq::get_modules())
       || cat_('/proc/cpuinfo') =~ /AuthenticAMD/ && arch() =~ /x86_64/
       || cat_('/proc/cpuinfo') =~ /model name.*Intel\(R\) Core\(TM\)2 CPU/;
}
sub hasWacom()     { find { $_->{vendor} == 0x056a || $_->{driver} =~ /wacom/ } usb_probe() }
sub hasTouchpad()  { any { $_->{Synaptics} || $_->{ALPS} || $_->{Elantech} } getInputDevices() }
sub hasNumpad()    { any { $_->{Numpad} } getInputDevices() }

sub usbWacom()     { grep { $_->{vendor} eq '056a' } getInputDevices() }
sub usbKeyboards() { grep { $_->{media_type} =~ /\|Keyboard/ } usb_probe() }
sub usbStorage()   { grep { $_->{media_type} =~ /Mass Storage\|/ } usb_probe() }
sub has_mesh()     { find { /mesh/ } all_files_rec("/proc/device-tree") }
sub has_53c94()    { find { /53c94/ } all_files_rec("/proc/device-tree") }

sub usbKeyboard2country_code {
    my ($usb_kbd) = @_;
    my ($F, $tmp);
    sysopen($F, sprintf("/proc/bus/usb/%03d/%03d", $usb_kbd->{pci_bus}, $usb_kbd->{pci_device}), 0) and
      sysseek $F, 0x28, 0 and
      sysread $F, $tmp, 1 and
      unpack("C", $tmp);
}

sub probeSerialDevices() {
    require list_modules;
    require modules;
    modules::append_to_modules_loaded_at_startup_for_all_kernels(modules::load_category($::o->{modules_conf}, 'various/serial'));
    foreach (0..3) {
	#- make sure the device are created before probing,
	devices::make("/dev/ttyS$_");
	#- and make sure the device is a real terminal (major is 4).
	int((stat "/dev/ttyS$_")[6]/256) == 4 or $serialprobe{"/dev/ttyS$_"} = undef;
    }

    #- for device already probed, we can safely (assuming device are
    #- not moved during install :-)
    #- include /dev/mouse device if using an X server.
    mkdir_p("/var/lock");
    -l "/dev/mouse" and $serialprobe{"/dev/" . readlink "/dev/mouse"} = undef;
    foreach (keys %serialprobe) { m|^/dev/(.*)| and touch "/var/lock/LCK..$1" }

    print STDERR "Please wait while probing serial ports...\n";
    #- start probing all serial ports... really faster than before ...
    #- ... but still take some time :-)
    my %current; 
    foreach (run_program::get_stdout('serial_probe')) {
	if (/^\s*$/) {
	    $serialprobe{$current{DEVICE}} = { %current } if $current{DEVICE};
	    %current = ();
	} elsif (/^([^=]+)=(.*?)\s*$/) {
	    $current{$1} = $2;
	}
    }

    foreach (values %serialprobe) {
	$_->{DESCRIPTION} =~ /modem/i and $_->{CLASS} = 'MODEM'; #- hack to make sure a modem is detected.
	$_->{DESCRIPTION} =~ /olitec/i and $_->{CLASS} = 'MODEM'; #- hack to make sure such modem gets detected.
	log::l("probed $_->{DESCRIPTION} of class $_->{CLASS} on device $_->{DEVICE}");
    }
}

sub probeSerial($) { $serialprobe{$_[0]} }

sub hasModem($) {
    $serialprobe{$_[0]} && $serialprobe{$_[0]}{CLASS} eq 'MODEM' && $serialprobe{$_[0]}{DESCRIPTION};
}

sub hasMousePS2 {
    my $t; sysread(tryOpen($_[0]) || return, $t, 256) != 1 || $t ne "\xFE";
}

sub probeall_unavailable_modules() {
    map {
        my $driver = $_->{driver};
        $driver !~ /:/ &&
        !member($driver, 'hub', 'unknown', 'amd64_agp') &&
        !modules::module_is_available($driver) ?
          $driver :
          @{[]};
    } probeall();
}

sub probeall_dkms_modules() {
    my @unavailable_modules = probeall_unavailable_modules() or return;
    require modalias;
    my $dkms_modules = modalias::parse_file_modules($::prefix . "/usr/share/ldetect-lst/dkms-modules.alias");
    intersection([ keys(%$dkms_modules) ], \@unavailable_modules);
}

sub usb_description2removable {
    local ($_) = @_;
    return 'camera' if /\bcamera\b/i;
    return 'memory_card' if /\bmemory\s?stick\b/i || /\bcompact\s?flash\b/i || /\bsmart\s?media\b/i;
    return 'memory_card' if /DiskOnKey/i || /IBM-DMDM/i;
    return 'zip' if /\bzip\s?(100|250|750)/i;
    return 'floppy' if /\bLS-?120\b/i;
    return;
}

sub usb2removable {
    my ($e) = @_;
    $e->{usb_driver} or return;

    if ($e->{usb_driver} =~ /Removable:(.*)/) {
	return $1;
    } elsif (my $name = usb_description2removable($e->{usb_description})) {
	return $name;
    }
    undef;
}

sub suggest_mount_point {
    my ($e) = @_;

    my $name = $e->{media_type};
    if (member($e->{media_type}, 'hd', 'fd')) {
	if (exists $e->{usb_driver}) {
	    $name = usb2removable($e) || 'removable';
	} elsif (isZipDrive($e)) {
	    $name = 'zip';
	} elsif ($e->{media_type} eq 'fd') {
	    $name = 'floppy';
	} else {
	    log::l("suggest_mount_point: do not know what to with hd $e->{device}");
	}
    }
    $name;
}

1;

#- Local Variables:
#- mode:cperl
#- tab-width:8
#- End: