1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav 5 * Copyright (c) 1999 Pierre Beyssac 6 * Copyright (c) 1993 Jan-Simon Pendry 7 * Copyright (c) 1993 8 * The Regents of the University of California. All rights reserved. 9 * 10 * This code is derived from software contributed to Berkeley by 11 * Jan-Simon Pendry. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * @(#)procfs_status.c 8.4 (Berkeley) 6/15/94 42 */ 43 44 #include <sys/cdefs.h> 45 __FBSDID("$FreeBSD$"); 46 47 #include <sys/param.h> 48 #include <sys/queue.h> 49 #include <sys/blist.h> 50 #include <sys/conf.h> 51 #include <sys/exec.h> 52 #include <sys/fcntl.h> 53 #include <sys/filedesc.h> 54 #include <sys/jail.h> 55 #include <sys/kernel.h> 56 #include <sys/limits.h> 57 #include <sys/linker.h> 58 #include <sys/lock.h> 59 #include <sys/malloc.h> 60 #include <sys/msg.h> 61 #include <sys/mutex.h> 62 #include <sys/namei.h> 63 #include <sys/proc.h> 64 #include <sys/ptrace.h> 65 #include <sys/resourcevar.h> 66 #include <sys/resource.h> 67 #include <sys/sbuf.h> 68 #include <sys/sem.h> 69 #include <sys/smp.h> 70 #include <sys/socket.h> 71 #include <sys/syscallsubr.h> 72 #include <sys/sysctl.h> 73 #include <sys/sysent.h> 74 #include <sys/systm.h> 75 #include <sys/time.h> 76 #include <sys/tty.h> 77 #include <sys/user.h> 78 #include <sys/uuid.h> 79 #include <sys/vmmeter.h> 80 #include <sys/vnode.h> 81 #include <sys/bus.h> 82 83 #include <net/if.h> 84 #include <net/if_var.h> 85 #include <net/if_types.h> 86 87 #include <vm/vm.h> 88 #include <vm/vm_extern.h> 89 #include <vm/pmap.h> 90 #include <vm/vm_map.h> 91 #include <vm/vm_param.h> 92 #include <vm/vm_object.h> 93 #include <vm/swap_pager.h> 94 95 #include <machine/clock.h> 96 97 #include <geom/geom.h> 98 #include <geom/geom_int.h> 99 100 #if defined(__i386__) || defined(__amd64__) 101 #include <machine/cputypes.h> 102 #include <machine/md_var.h> 103 #endif /* __i386__ || __amd64__ */ 104 105 #include <compat/linux/linux.h> 106 #include <compat/linux/linux_mib.h> 107 #include <compat/linux/linux_misc.h> 108 #include <compat/linux/linux_util.h> 109 #include <fs/pseudofs/pseudofs.h> 110 #include <fs/procfs/procfs.h> 111 112 /* 113 * Various conversion macros 114 */ 115 #define T2J(x) ((long)(((x) * 100ULL) / (stathz ? stathz : hz))) /* ticks to jiffies */ 116 #define T2CS(x) ((unsigned long)(((x) * 100ULL) / (stathz ? stathz : hz))) /* ticks to centiseconds */ 117 #define T2S(x) ((x) / (stathz ? stathz : hz)) /* ticks to seconds */ 118 #define B2K(x) ((x) >> 10) /* bytes to kbytes */ 119 #define B2P(x) ((x) >> PAGE_SHIFT) /* bytes to pages */ 120 #define P2B(x) ((x) << PAGE_SHIFT) /* pages to bytes */ 121 #define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* pages to kbytes */ 122 #define TV2J(x) ((x)->tv_sec * 100UL + (x)->tv_usec / 10000) 123 124 /** 125 * @brief Mapping of ki_stat in struct kinfo_proc to the linux state 126 * 127 * The linux procfs state field displays one of the characters RSDZTW to 128 * denote running, sleeping in an interruptible wait, waiting in an 129 * uninterruptible disk sleep, a zombie process, process is being traced 130 * or stopped, or process is paging respectively. 131 * 132 * Our struct kinfo_proc contains the variable ki_stat which contains a 133 * value out of SIDL, SRUN, SSLEEP, SSTOP, SZOMB, SWAIT and SLOCK. 134 * 135 * This character array is used with ki_stati-1 as an index and tries to 136 * map our states to suitable linux states. 137 */ 138 static char linux_state[] = "RRSTZDD"; 139 140 /* 141 * Filler function for proc/meminfo 142 */ 143 static int 144 linprocfs_domeminfo(PFS_FILL_ARGS) 145 { 146 unsigned long memtotal; /* total memory in bytes */ 147 unsigned long memused; /* used memory in bytes */ 148 unsigned long memfree; /* free memory in bytes */ 149 unsigned long buffers, cached; /* buffer / cache memory ??? */ 150 unsigned long long swaptotal; /* total swap space in bytes */ 151 unsigned long long swapused; /* used swap space in bytes */ 152 unsigned long long swapfree; /* free swap space in bytes */ 153 int i, j; 154 155 memtotal = physmem * PAGE_SIZE; 156 /* 157 * The correct thing here would be: 158 * 159 memfree = vm_free_count() * PAGE_SIZE; 160 memused = memtotal - memfree; 161 * 162 * but it might mislead linux binaries into thinking there 163 * is very little memory left, so we cheat and tell them that 164 * all memory that isn't wired down is free. 165 */ 166 memused = vm_wire_count() * PAGE_SIZE; 167 memfree = memtotal - memused; 168 swap_pager_status(&i, &j); 169 swaptotal = (unsigned long long)i * PAGE_SIZE; 170 swapused = (unsigned long long)j * PAGE_SIZE; 171 swapfree = swaptotal - swapused; 172 /* 173 * We'd love to be able to write: 174 * 175 buffers = bufspace; 176 * 177 * but bufspace is internal to vfs_bio.c and we don't feel 178 * like unstaticizing it just for linprocfs's sake. 179 */ 180 buffers = 0; 181 cached = vm_inactive_count() * PAGE_SIZE; 182 183 sbuf_printf(sb, 184 "MemTotal: %9lu kB\n" 185 "MemFree: %9lu kB\n" 186 "Buffers: %9lu kB\n" 187 "Cached: %9lu kB\n" 188 "SwapTotal:%9llu kB\n" 189 "SwapFree: %9llu kB\n", 190 B2K(memtotal), B2K(memfree), B2K(buffers), 191 B2K(cached), B2K(swaptotal), B2K(swapfree)); 192 193 return (0); 194 } 195 196 #if defined(__i386__) || defined(__amd64__) 197 /* 198 * Filler function for proc/cpuinfo (i386 & amd64 version) 199 */ 200 static int 201 linprocfs_docpuinfo(PFS_FILL_ARGS) 202 { 203 int hw_model[2]; 204 char model[128]; 205 uint64_t freq; 206 size_t size; 207 u_int cache_size[4]; 208 int fqmhz, fqkhz; 209 int i, j; 210 211 /* 212 * We default the flags to include all non-conflicting flags, 213 * and the Intel versions of conflicting flags. 214 */ 215 static char *cpu_feature_names[] = { 216 /* 0 */ "fpu", "vme", "de", "pse", 217 /* 4 */ "tsc", "msr", "pae", "mce", 218 /* 8 */ "cx8", "apic", "", "sep", 219 /* 12 */ "mtrr", "pge", "mca", "cmov", 220 /* 16 */ "pat", "pse36", "pn", "clflush", 221 /* 20 */ "", "dts", "acpi", "mmx", 222 /* 24 */ "fxsr", "sse", "sse2", "ss", 223 /* 28 */ "ht", "tm", "ia64", "pbe" 224 }; 225 226 static char *amd_feature_names[] = { 227 /* 0 */ "", "", "", "", 228 /* 4 */ "", "", "", "", 229 /* 8 */ "", "", "", "syscall", 230 /* 12 */ "", "", "", "", 231 /* 16 */ "", "", "", "mp", 232 /* 20 */ "nx", "", "mmxext", "", 233 /* 24 */ "", "fxsr_opt", "pdpe1gb", "rdtscp", 234 /* 28 */ "", "lm", "3dnowext", "3dnow" 235 }; 236 237 static char *cpu_feature2_names[] = { 238 /* 0 */ "pni", "pclmulqdq", "dtes3", "monitor", 239 /* 4 */ "ds_cpl", "vmx", "smx", "est", 240 /* 8 */ "tm2", "ssse3", "cid", "sdbg", 241 /* 12 */ "fma", "cx16", "xptr", "pdcm", 242 /* 16 */ "", "pcid", "dca", "sse4_1", 243 /* 20 */ "sse4_2", "x2apic", "movbe", "popcnt", 244 /* 24 */ "tsc_deadline_timer", "aes", "xsave", "", 245 /* 28 */ "avx", "f16c", "rdrand", "hypervisor" 246 }; 247 248 static char *amd_feature2_names[] = { 249 /* 0 */ "lahf_lm", "cmp_legacy", "svm", "extapic", 250 /* 4 */ "cr8_legacy", "abm", "sse4a", "misalignsse", 251 /* 8 */ "3dnowprefetch", "osvw", "ibs", "xop", 252 /* 12 */ "skinit", "wdt", "", "lwp", 253 /* 16 */ "fma4", "tce", "", "nodeid_msr", 254 /* 20 */ "", "tbm", "topoext", "perfctr_core", 255 /* 24 */ "perfctr_nb", "", "bpext", "ptsc", 256 /* 28 */ "perfctr_llc", "mwaitx", "", "" 257 }; 258 259 static char *cpu_stdext_feature_names[] = { 260 /* 0 */ "fsgsbase", "tsc_adjust", "", "bmi1", 261 /* 4 */ "hle", "avx2", "", "smep", 262 /* 8 */ "bmi2", "erms", "invpcid", "rtm", 263 /* 12 */ "cqm", "", "mpx", "rdt_a", 264 /* 16 */ "avx512f", "avx512dq", "rdseed", "adx", 265 /* 20 */ "smap", "avx512ifma", "", "clflushopt", 266 /* 24 */ "clwb", "intel_pt", "avx512pf", "avx512er", 267 /* 28 */ "avx512cd", "sha_ni", "avx512bw", "avx512vl" 268 }; 269 270 static char *power_flags[] = { 271 "ts", "fid", "vid", 272 "ttp", "tm", "stc", 273 "100mhzsteps", "hwpstate", "", 274 "cpb", "eff_freq_ro", "proc_feedback", 275 "acc_power", 276 }; 277 278 hw_model[0] = CTL_HW; 279 hw_model[1] = HW_MODEL; 280 model[0] = '\0'; 281 size = sizeof(model); 282 if (kernel_sysctl(td, hw_model, 2, &model, &size, 0, 0, 0, 0) != 0) 283 strcpy(model, "unknown"); 284 #ifdef __i386__ 285 switch (cpu_vendor_id) { 286 case CPU_VENDOR_AMD: 287 if (cpu_class < CPUCLASS_686) 288 cpu_feature_names[16] = "fcmov"; 289 break; 290 case CPU_VENDOR_CYRIX: 291 cpu_feature_names[24] = "cxmmx"; 292 break; 293 } 294 #endif 295 if (cpu_exthigh >= 0x80000006) 296 do_cpuid(0x80000006, cache_size); 297 else 298 memset(cache_size, 0, sizeof(cache_size)); 299 for (i = 0; i < mp_ncpus; ++i) { 300 fqmhz = 0; 301 fqkhz = 0; 302 freq = atomic_load_acq_64(&tsc_freq); 303 if (freq != 0) { 304 fqmhz = (freq + 4999) / 1000000; 305 fqkhz = ((freq + 4999) / 10000) % 100; 306 } 307 sbuf_printf(sb, 308 "processor\t: %d\n" 309 "vendor_id\t: %.20s\n" 310 "cpu family\t: %u\n" 311 "model\t\t: %u\n" 312 "model name\t: %s\n" 313 "stepping\t: %u\n" 314 "cpu MHz\t\t: %d.%02d\n" 315 "cache size\t: %d KB\n" 316 "physical id\t: %d\n" 317 "siblings\t: %d\n" 318 "core id\t\t: %d\n" 319 "cpu cores\t: %d\n" 320 "apicid\t\t: %d\n" 321 "initial apicid\t: %d\n" 322 "fpu\t\t: %s\n" 323 "fpu_exception\t: %s\n" 324 "cpuid level\t: %d\n" 325 "wp\t\t: %s\n", 326 i, cpu_vendor, CPUID_TO_FAMILY(cpu_id), 327 CPUID_TO_MODEL(cpu_id), model, cpu_id & CPUID_STEPPING, 328 fqmhz, fqkhz, 329 (cache_size[2] >> 16), 0, mp_ncpus, i, mp_ncpus, 330 i, i, /*cpu_id & CPUID_LOCAL_APIC_ID ??*/ 331 (cpu_feature & CPUID_FPU) ? "yes" : "no", "yes", 332 CPUID_TO_FAMILY(cpu_id), "yes"); 333 sbuf_cat(sb, "flags\t\t:"); 334 for (j = 0; j < nitems(cpu_feature_names); j++) 335 if (cpu_feature & (1 << j) && 336 cpu_feature_names[j][0] != '\0') 337 sbuf_printf(sb, " %s", cpu_feature_names[j]); 338 for (j = 0; j < nitems(amd_feature_names); j++) 339 if (amd_feature & (1 << j) && 340 amd_feature_names[j][0] != '\0') 341 sbuf_printf(sb, " %s", amd_feature_names[j]); 342 for (j = 0; j < nitems(cpu_feature2_names); j++) 343 if (cpu_feature2 & (1 << j) && 344 cpu_feature2_names[j][0] != '\0') 345 sbuf_printf(sb, " %s", cpu_feature2_names[j]); 346 for (j = 0; j < nitems(amd_feature2_names); j++) 347 if (amd_feature2 & (1 << j) && 348 amd_feature2_names[j][0] != '\0') 349 sbuf_printf(sb, " %s", amd_feature2_names[j]); 350 for (j = 0; j < nitems(cpu_stdext_feature_names); j++) 351 if (cpu_stdext_feature & (1 << j) && 352 cpu_stdext_feature_names[j][0] != '\0') 353 sbuf_printf(sb, " %s", 354 cpu_stdext_feature_names[j]); 355 sbuf_cat(sb, "\n"); 356 sbuf_printf(sb, 357 "bugs\t\t: %s\n" 358 "bogomips\t: %d.%02d\n" 359 "clflush size\t: %d\n" 360 "cache_alignment\t: %d\n" 361 "address sizes\t: %d bits physical, %d bits virtual\n", 362 #if defined(I586_CPU) && !defined(NO_F00F_HACK) 363 (has_f00f_bug) ? "Intel F00F" : "", 364 #else 365 "", 366 #endif 367 fqmhz, fqkhz, 368 cpu_clflush_line_size, cpu_clflush_line_size, 369 cpu_maxphyaddr, 370 (cpu_maxphyaddr > 32) ? 48 : 0); 371 sbuf_cat(sb, "power management: "); 372 for (j = 0; j < nitems(power_flags); j++) 373 if (amd_pminfo & (1 << j)) 374 sbuf_printf(sb, " %s", power_flags[j]); 375 sbuf_cat(sb, "\n\n"); 376 377 /* XXX per-cpu vendor / class / model / id? */ 378 } 379 sbuf_cat(sb, "\n"); 380 381 return (0); 382 } 383 #else 384 /* ARM64TODO: implement non-stubbed linprocfs_docpuinfo */ 385 static int 386 linprocfs_docpuinfo(PFS_FILL_ARGS) 387 { 388 int i; 389 390 for (i = 0; i < mp_ncpus; ++i) { 391 sbuf_printf(sb, 392 "processor\t: %d\n" 393 "BogoMIPS\t: %d.%02d\n", 394 i, 0, 0); 395 sbuf_cat(sb, "Features\t: "); 396 sbuf_cat(sb, "\n"); 397 sbuf_printf(sb, 398 "CPU implementer\t: \n" 399 "CPU architecture: \n" 400 "CPU variant\t: 0x%x\n" 401 "CPU part\t: 0x%x\n" 402 "CPU revision\t: %d\n", 403 0, 0, 0); 404 sbuf_cat(sb, "\n"); 405 } 406 407 return (0); 408 } 409 #endif /* __i386__ || __amd64__ */ 410 411 /* 412 * Filler function for proc/mtab 413 * 414 * This file doesn't exist in Linux' procfs, but is included here so 415 * users can symlink /compat/linux/etc/mtab to /proc/mtab 416 */ 417 static int 418 linprocfs_domtab(PFS_FILL_ARGS) 419 { 420 struct nameidata nd; 421 const char *lep; 422 char *dlep, *flep, *mntto, *mntfrom, *fstype; 423 size_t lep_len; 424 int error; 425 struct statfs *buf, *sp; 426 size_t count; 427 428 /* resolve symlinks etc. in the emulation tree prefix */ 429 NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, linux_emul_path, td); 430 flep = NULL; 431 error = namei(&nd); 432 lep = linux_emul_path; 433 if (error == 0) { 434 if (vn_fullpath(td, nd.ni_vp, &dlep, &flep) == 0) 435 lep = dlep; 436 vrele(nd.ni_vp); 437 } 438 lep_len = strlen(lep); 439 440 buf = NULL; 441 error = kern_getfsstat(td, &buf, SIZE_T_MAX, &count, 442 UIO_SYSSPACE, MNT_WAIT); 443 if (error != 0) { 444 free(buf, M_TEMP); 445 free(flep, M_TEMP); 446 return (error); 447 } 448 449 for (sp = buf; count > 0; sp++, count--) { 450 /* determine device name */ 451 mntfrom = sp->f_mntfromname; 452 453 /* determine mount point */ 454 mntto = sp->f_mntonname; 455 if (strncmp(mntto, lep, lep_len) == 0 && mntto[lep_len] == '/') 456 mntto += lep_len; 457 458 /* determine fs type */ 459 fstype = sp->f_fstypename; 460 if (strcmp(fstype, pn->pn_info->pi_name) == 0) 461 mntfrom = fstype = "proc"; 462 else if (strcmp(fstype, "procfs") == 0) 463 continue; 464 465 if (strcmp(fstype, "linsysfs") == 0) { 466 sbuf_printf(sb, "/sys %s sysfs %s", mntto, 467 sp->f_flags & MNT_RDONLY ? "ro" : "rw"); 468 } else { 469 /* For Linux msdosfs is called vfat */ 470 if (strcmp(fstype, "msdosfs") == 0) 471 fstype = "vfat"; 472 sbuf_printf(sb, "%s %s %s %s", mntfrom, mntto, fstype, 473 sp->f_flags & MNT_RDONLY ? "ro" : "rw"); 474 } 475 #define ADD_OPTION(opt, name) \ 476 if (sp->f_flags & (opt)) sbuf_printf(sb, "," name); 477 ADD_OPTION(MNT_SYNCHRONOUS, "sync"); 478 ADD_OPTION(MNT_NOEXEC, "noexec"); 479 ADD_OPTION(MNT_NOSUID, "nosuid"); 480 ADD_OPTION(MNT_UNION, "union"); 481 ADD_OPTION(MNT_ASYNC, "async"); 482 ADD_OPTION(MNT_SUIDDIR, "suiddir"); 483 ADD_OPTION(MNT_NOSYMFOLLOW, "nosymfollow"); 484 ADD_OPTION(MNT_NOATIME, "noatime"); 485 #undef ADD_OPTION 486 /* a real Linux mtab will also show NFS options */ 487 sbuf_printf(sb, " 0 0\n"); 488 } 489 490 free(buf, M_TEMP); 491 free(flep, M_TEMP); 492 return (error); 493 } 494 495 /* 496 * Filler function for proc/partitions 497 */ 498 static int 499 linprocfs_dopartitions(PFS_FILL_ARGS) 500 { 501 struct g_class *cp; 502 struct g_geom *gp; 503 struct g_provider *pp; 504 int major, minor; 505 506 g_topology_lock(); 507 sbuf_printf(sb, "major minor #blocks name rio rmerge rsect " 508 "ruse wio wmerge wsect wuse running use aveq\n"); 509 510 LIST_FOREACH(cp, &g_classes, class) { 511 if (strcmp(cp->name, "DISK") == 0 || 512 strcmp(cp->name, "PART") == 0) 513 LIST_FOREACH(gp, &cp->geom, geom) { 514 LIST_FOREACH(pp, &gp->provider, provider) { 515 if (linux_driver_get_major_minor( 516 pp->name, &major, &minor) != 0) { 517 major = 0; 518 minor = 0; 519 } 520 sbuf_printf(sb, "%d %d %lld %s " 521 "%d %d %d %d %d " 522 "%d %d %d %d %d %d\n", 523 major, minor, 524 (long long)pp->mediasize, pp->name, 525 0, 0, 0, 0, 0, 526 0, 0, 0, 0, 0, 0); 527 } 528 } 529 } 530 g_topology_unlock(); 531 532 return (0); 533 } 534 535 /* 536 * Filler function for proc/stat 537 * 538 * Output depends on kernel version: 539 * 540 * v2.5.40 <= 541 * user nice system idle 542 * v2.5.41 543 * user nice system idle iowait 544 * v2.6.11 545 * user nice system idle iowait irq softirq steal 546 * v2.6.24 547 * user nice system idle iowait irq softirq steal guest 548 * v2.6.33 >= 549 * user nice system idle iowait irq softirq steal guest guest_nice 550 */ 551 static int 552 linprocfs_dostat(PFS_FILL_ARGS) 553 { 554 struct pcpu *pcpu; 555 long cp_time[CPUSTATES]; 556 long *cp; 557 struct timeval boottime; 558 int i; 559 char *zero_pad; 560 bool has_intr = true; 561 562 if (linux_kernver(td) >= LINUX_KERNVER(2,6,33)) { 563 zero_pad = " 0 0 0 0\n"; 564 } else if (linux_kernver(td) >= LINUX_KERNVER(2,6,24)) { 565 zero_pad = " 0 0 0\n"; 566 } else if (linux_kernver(td) >= LINUX_KERNVER(2,6,11)) { 567 zero_pad = " 0 0\n"; 568 } else if (linux_kernver(td) >= LINUX_KERNVER(2,5,41)) { 569 has_intr = false; 570 zero_pad = " 0\n"; 571 } else { 572 has_intr = false; 573 zero_pad = "\n"; 574 } 575 576 read_cpu_time(cp_time); 577 getboottime(&boottime); 578 /* Parameters common to all versions */ 579 sbuf_printf(sb, "cpu %lu %lu %lu %lu", 580 T2J(cp_time[CP_USER]), 581 T2J(cp_time[CP_NICE]), 582 T2J(cp_time[CP_SYS]), 583 T2J(cp_time[CP_IDLE])); 584 585 /* Print interrupt stats if available */ 586 if (has_intr) { 587 sbuf_printf(sb, " 0 %lu", T2J(cp_time[CP_INTR])); 588 } 589 590 /* Pad out remaining fields depending on version */ 591 sbuf_printf(sb, "%s", zero_pad); 592 593 CPU_FOREACH(i) { 594 pcpu = pcpu_find(i); 595 cp = pcpu->pc_cp_time; 596 sbuf_printf(sb, "cpu%d %lu %lu %lu %lu", i, 597 T2J(cp[CP_USER]), 598 T2J(cp[CP_NICE]), 599 T2J(cp[CP_SYS]), 600 T2J(cp[CP_IDLE])); 601 602 if (has_intr) { 603 sbuf_printf(sb, " 0 %lu", T2J(cp[CP_INTR])); 604 } 605 606 sbuf_printf(sb, "%s", zero_pad); 607 } 608 sbuf_printf(sb, 609 "disk 0 0 0 0\n" 610 "page %ju %ju\n" 611 "swap %ju %ju\n" 612 "intr %ju\n" 613 "ctxt %ju\n" 614 "btime %lld\n", 615 (uintmax_t)VM_CNT_FETCH(v_vnodepgsin), 616 (uintmax_t)VM_CNT_FETCH(v_vnodepgsout), 617 (uintmax_t)VM_CNT_FETCH(v_swappgsin), 618 (uintmax_t)VM_CNT_FETCH(v_swappgsout), 619 (uintmax_t)VM_CNT_FETCH(v_intr), 620 (uintmax_t)VM_CNT_FETCH(v_swtch), 621 (long long)boottime.tv_sec); 622 return (0); 623 } 624 625 static int 626 linprocfs_doswaps(PFS_FILL_ARGS) 627 { 628 struct xswdev xsw; 629 uintmax_t total, used; 630 int n; 631 char devname[SPECNAMELEN + 1]; 632 633 sbuf_printf(sb, "Filename\t\t\t\tType\t\tSize\tUsed\tPriority\n"); 634 for (n = 0; ; n++) { 635 if (swap_dev_info(n, &xsw, devname, sizeof(devname)) != 0) 636 break; 637 total = (uintmax_t)xsw.xsw_nblks * PAGE_SIZE / 1024; 638 used = (uintmax_t)xsw.xsw_used * PAGE_SIZE / 1024; 639 640 /* 641 * The space and not tab after the device name is on 642 * purpose. Linux does so. 643 */ 644 sbuf_printf(sb, "/dev/%-34s unknown\t\t%jd\t%jd\t-1\n", 645 devname, total, used); 646 } 647 return (0); 648 } 649 650 /* 651 * Filler function for proc/uptime 652 */ 653 static int 654 linprocfs_douptime(PFS_FILL_ARGS) 655 { 656 long cp_time[CPUSTATES]; 657 struct timeval tv; 658 659 getmicrouptime(&tv); 660 read_cpu_time(cp_time); 661 sbuf_printf(sb, "%lld.%02ld %ld.%02lu\n", 662 (long long)tv.tv_sec, tv.tv_usec / 10000, 663 T2S(cp_time[CP_IDLE] / mp_ncpus), 664 T2CS(cp_time[CP_IDLE] / mp_ncpus) % 100); 665 return (0); 666 } 667 668 /* 669 * Get OS build date 670 */ 671 static void 672 linprocfs_osbuild(struct thread *td, struct sbuf *sb) 673 { 674 #if 0 675 char osbuild[256]; 676 char *cp1, *cp2; 677 678 strncpy(osbuild, version, 256); 679 osbuild[255] = '\0'; 680 cp1 = strstr(osbuild, "\n"); 681 cp2 = strstr(osbuild, ":"); 682 if (cp1 && cp2) { 683 *cp1 = *cp2 = '\0'; 684 cp1 = strstr(osbuild, "#"); 685 } else 686 cp1 = NULL; 687 if (cp1) 688 sbuf_printf(sb, "%s%s", cp1, cp2 + 1); 689 else 690 #endif 691 sbuf_cat(sb, "#4 Sun Dec 18 04:30:00 CET 1977"); 692 } 693 694 /* 695 * Get OS builder 696 */ 697 static void 698 linprocfs_osbuilder(struct thread *td, struct sbuf *sb) 699 { 700 #if 0 701 char builder[256]; 702 char *cp; 703 704 cp = strstr(version, "\n "); 705 if (cp) { 706 strncpy(builder, cp + 5, 256); 707 builder[255] = '\0'; 708 cp = strstr(builder, ":"); 709 if (cp) 710 *cp = '\0'; 711 } 712 if (cp) 713 sbuf_cat(sb, builder); 714 else 715 #endif 716 sbuf_cat(sb, "des@freebsd.org"); 717 } 718 719 /* 720 * Filler function for proc/version 721 */ 722 static int 723 linprocfs_doversion(PFS_FILL_ARGS) 724 { 725 char osname[LINUX_MAX_UTSNAME]; 726 char osrelease[LINUX_MAX_UTSNAME]; 727 728 linux_get_osname(td, osname); 729 linux_get_osrelease(td, osrelease); 730 sbuf_printf(sb, "%s version %s (", osname, osrelease); 731 linprocfs_osbuilder(td, sb); 732 sbuf_cat(sb, ") (gcc version " __VERSION__ ") "); 733 linprocfs_osbuild(td, sb); 734 sbuf_cat(sb, "\n"); 735 736 return (0); 737 } 738 739 /* 740 * Filler function for proc/loadavg 741 */ 742 static int 743 linprocfs_doloadavg(PFS_FILL_ARGS) 744 { 745 746 sbuf_printf(sb, 747 "%d.%02d %d.%02d %d.%02d %d/%d %d\n", 748 (int)(averunnable.ldavg[0] / averunnable.fscale), 749 (int)(averunnable.ldavg[0] * 100 / averunnable.fscale % 100), 750 (int)(averunnable.ldavg[1] / averunnable.fscale), 751 (int)(averunnable.ldavg[1] * 100 / averunnable.fscale % 100), 752 (int)(averunnable.ldavg[2] / averunnable.fscale), 753 (int)(averunnable.ldavg[2] * 100 / averunnable.fscale % 100), 754 1, /* number of running tasks */ 755 nprocs, /* number of tasks */ 756 lastpid /* the last pid */ 757 ); 758 return (0); 759 } 760 761 /* 762 * Filler function for proc/pid/stat 763 */ 764 static int 765 linprocfs_doprocstat(PFS_FILL_ARGS) 766 { 767 struct kinfo_proc kp; 768 struct timeval boottime; 769 char state; 770 static int ratelimit = 0; 771 vm_offset_t startcode, startdata; 772 773 getboottime(&boottime); 774 sx_slock(&proctree_lock); 775 PROC_LOCK(p); 776 fill_kinfo_proc(p, &kp); 777 sx_sunlock(&proctree_lock); 778 if (p->p_vmspace) { 779 startcode = (vm_offset_t)p->p_vmspace->vm_taddr; 780 startdata = (vm_offset_t)p->p_vmspace->vm_daddr; 781 } else { 782 startcode = 0; 783 startdata = 0; 784 } 785 sbuf_printf(sb, "%d", p->p_pid); 786 #define PS_ADD(name, fmt, arg) sbuf_printf(sb, " " fmt, arg) 787 PS_ADD("comm", "(%s)", p->p_comm); 788 if (kp.ki_stat > sizeof(linux_state)) { 789 state = 'R'; 790 791 if (ratelimit == 0) { 792 printf("linprocfs: don't know how to handle unknown FreeBSD state %d/%zd, mapping to R\n", 793 kp.ki_stat, sizeof(linux_state)); 794 ++ratelimit; 795 } 796 } else 797 state = linux_state[kp.ki_stat - 1]; 798 PS_ADD("state", "%c", state); 799 PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0); 800 PS_ADD("pgrp", "%d", p->p_pgid); 801 PS_ADD("session", "%d", p->p_session->s_sid); 802 PROC_UNLOCK(p); 803 PS_ADD("tty", "%ju", (uintmax_t)kp.ki_tdev); 804 PS_ADD("tpgid", "%d", kp.ki_tpgid); 805 PS_ADD("flags", "%u", 0); /* XXX */ 806 PS_ADD("minflt", "%lu", kp.ki_rusage.ru_minflt); 807 PS_ADD("cminflt", "%lu", kp.ki_rusage_ch.ru_minflt); 808 PS_ADD("majflt", "%lu", kp.ki_rusage.ru_majflt); 809 PS_ADD("cmajflt", "%lu", kp.ki_rusage_ch.ru_majflt); 810 PS_ADD("utime", "%ld", TV2J(&kp.ki_rusage.ru_utime)); 811 PS_ADD("stime", "%ld", TV2J(&kp.ki_rusage.ru_stime)); 812 PS_ADD("cutime", "%ld", TV2J(&kp.ki_rusage_ch.ru_utime)); 813 PS_ADD("cstime", "%ld", TV2J(&kp.ki_rusage_ch.ru_stime)); 814 PS_ADD("priority", "%d", kp.ki_pri.pri_user); 815 PS_ADD("nice", "%d", kp.ki_nice); /* 19 (nicest) to -19 */ 816 PS_ADD("0", "%d", 0); /* removed field */ 817 PS_ADD("itrealvalue", "%d", 0); /* XXX */ 818 PS_ADD("starttime", "%lu", TV2J(&kp.ki_start) - TV2J(&boottime)); 819 PS_ADD("vsize", "%ju", P2K((uintmax_t)kp.ki_size)); 820 PS_ADD("rss", "%ju", (uintmax_t)kp.ki_rssize); 821 PS_ADD("rlim", "%lu", kp.ki_rusage.ru_maxrss); 822 PS_ADD("startcode", "%ju", (uintmax_t)startcode); 823 PS_ADD("endcode", "%ju", (uintmax_t)startdata); 824 PS_ADD("startstack", "%u", 0); /* XXX */ 825 PS_ADD("kstkesp", "%u", 0); /* XXX */ 826 PS_ADD("kstkeip", "%u", 0); /* XXX */ 827 PS_ADD("signal", "%u", 0); /* XXX */ 828 PS_ADD("blocked", "%u", 0); /* XXX */ 829 PS_ADD("sigignore", "%u", 0); /* XXX */ 830 PS_ADD("sigcatch", "%u", 0); /* XXX */ 831 PS_ADD("wchan", "%u", 0); /* XXX */ 832 PS_ADD("nswap", "%lu", kp.ki_rusage.ru_nswap); 833 PS_ADD("cnswap", "%lu", kp.ki_rusage_ch.ru_nswap); 834 PS_ADD("exitsignal", "%d", 0); /* XXX */ 835 PS_ADD("processor", "%u", kp.ki_lastcpu); 836 PS_ADD("rt_priority", "%u", 0); /* XXX */ /* >= 2.5.19 */ 837 PS_ADD("policy", "%u", kp.ki_pri.pri_class); /* >= 2.5.19 */ 838 #undef PS_ADD 839 sbuf_putc(sb, '\n'); 840 841 return (0); 842 } 843 844 /* 845 * Filler function for proc/pid/statm 846 */ 847 static int 848 linprocfs_doprocstatm(PFS_FILL_ARGS) 849 { 850 struct kinfo_proc kp; 851 segsz_t lsize; 852 853 sx_slock(&proctree_lock); 854 PROC_LOCK(p); 855 fill_kinfo_proc(p, &kp); 856 PROC_UNLOCK(p); 857 sx_sunlock(&proctree_lock); 858 859 /* 860 * See comments in linprocfs_doprocstatus() regarding the 861 * computation of lsize. 862 */ 863 /* size resident share trs drs lrs dt */ 864 sbuf_printf(sb, "%ju ", B2P((uintmax_t)kp.ki_size)); 865 sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_rssize); 866 sbuf_printf(sb, "%ju ", (uintmax_t)0); /* XXX */ 867 sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_tsize); 868 sbuf_printf(sb, "%ju ", (uintmax_t)(kp.ki_dsize + kp.ki_ssize)); 869 lsize = B2P(kp.ki_size) - kp.ki_dsize - 870 kp.ki_ssize - kp.ki_tsize - 1; 871 sbuf_printf(sb, "%ju ", (uintmax_t)lsize); 872 sbuf_printf(sb, "%ju\n", (uintmax_t)0); /* XXX */ 873 874 return (0); 875 } 876 877 /* 878 * Filler function for proc/pid/status 879 */ 880 static int 881 linprocfs_doprocstatus(PFS_FILL_ARGS) 882 { 883 struct kinfo_proc kp; 884 char *state; 885 segsz_t lsize; 886 struct thread *td2; 887 struct sigacts *ps; 888 l_sigset_t siglist, sigignore, sigcatch; 889 int i; 890 891 sx_slock(&proctree_lock); 892 PROC_LOCK(p); 893 td2 = FIRST_THREAD_IN_PROC(p); /* XXXKSE pretend only one thread */ 894 895 if (P_SHOULDSTOP(p)) { 896 state = "T (stopped)"; 897 } else { 898 switch(p->p_state) { 899 case PRS_NEW: 900 state = "I (idle)"; 901 break; 902 case PRS_NORMAL: 903 if (p->p_flag & P_WEXIT) { 904 state = "X (exiting)"; 905 break; 906 } 907 switch(td2->td_state) { 908 case TDS_INHIBITED: 909 state = "S (sleeping)"; 910 break; 911 case TDS_RUNQ: 912 case TDS_RUNNING: 913 state = "R (running)"; 914 break; 915 default: 916 state = "? (unknown)"; 917 break; 918 } 919 break; 920 case PRS_ZOMBIE: 921 state = "Z (zombie)"; 922 break; 923 default: 924 state = "? (unknown)"; 925 break; 926 } 927 } 928 929 fill_kinfo_proc(p, &kp); 930 sx_sunlock(&proctree_lock); 931 932 sbuf_printf(sb, "Name:\t%s\n", p->p_comm); /* XXX escape */ 933 sbuf_printf(sb, "State:\t%s\n", state); 934 935 /* 936 * Credentials 937 */ 938 sbuf_printf(sb, "Pid:\t%d\n", p->p_pid); 939 sbuf_printf(sb, "PPid:\t%d\n", kp.ki_ppid ); 940 sbuf_printf(sb, "TracerPid:\t%d\n", kp.ki_tracer ); 941 sbuf_printf(sb, "Uid:\t%d %d %d %d\n", p->p_ucred->cr_ruid, 942 p->p_ucred->cr_uid, 943 p->p_ucred->cr_svuid, 944 /* FreeBSD doesn't have fsuid */ 945 p->p_ucred->cr_uid); 946 sbuf_printf(sb, "Gid:\t%d %d %d %d\n", p->p_ucred->cr_rgid, 947 p->p_ucred->cr_gid, 948 p->p_ucred->cr_svgid, 949 /* FreeBSD doesn't have fsgid */ 950 p->p_ucred->cr_gid); 951 sbuf_cat(sb, "Groups:\t"); 952 for (i = 0; i < p->p_ucred->cr_ngroups; i++) 953 sbuf_printf(sb, "%d ", p->p_ucred->cr_groups[i]); 954 PROC_UNLOCK(p); 955 sbuf_putc(sb, '\n'); 956 957 /* 958 * Memory 959 * 960 * While our approximation of VmLib may not be accurate (I 961 * don't know of a simple way to verify it, and I'm not sure 962 * it has much meaning anyway), I believe it's good enough. 963 * 964 * The same code that could (I think) accurately compute VmLib 965 * could also compute VmLck, but I don't really care enough to 966 * implement it. Submissions are welcome. 967 */ 968 sbuf_printf(sb, "VmSize:\t%8ju kB\n", B2K((uintmax_t)kp.ki_size)); 969 sbuf_printf(sb, "VmLck:\t%8u kB\n", P2K(0)); /* XXX */ 970 sbuf_printf(sb, "VmRSS:\t%8ju kB\n", P2K((uintmax_t)kp.ki_rssize)); 971 sbuf_printf(sb, "VmData:\t%8ju kB\n", P2K((uintmax_t)kp.ki_dsize)); 972 sbuf_printf(sb, "VmStk:\t%8ju kB\n", P2K((uintmax_t)kp.ki_ssize)); 973 sbuf_printf(sb, "VmExe:\t%8ju kB\n", P2K((uintmax_t)kp.ki_tsize)); 974 lsize = B2P(kp.ki_size) - kp.ki_dsize - 975 kp.ki_ssize - kp.ki_tsize - 1; 976 sbuf_printf(sb, "VmLib:\t%8ju kB\n", P2K((uintmax_t)lsize)); 977 978 /* 979 * Signal masks 980 */ 981 PROC_LOCK(p); 982 bsd_to_linux_sigset(&p->p_siglist, &siglist); 983 ps = p->p_sigacts; 984 mtx_lock(&ps->ps_mtx); 985 bsd_to_linux_sigset(&ps->ps_sigignore, &sigignore); 986 bsd_to_linux_sigset(&ps->ps_sigcatch, &sigcatch); 987 mtx_unlock(&ps->ps_mtx); 988 PROC_UNLOCK(p); 989 990 sbuf_printf(sb, "SigPnd:\t%016jx\n", siglist.__mask); 991 /* 992 * XXX. SigBlk - target thread's signal mask, td_sigmask. 993 * To implement SigBlk pseudofs should support proc/tid dir entries. 994 */ 995 sbuf_printf(sb, "SigBlk:\t%016x\n", 0); 996 sbuf_printf(sb, "SigIgn:\t%016jx\n", sigignore.__mask); 997 sbuf_printf(sb, "SigCgt:\t%016jx\n", sigcatch.__mask); 998 999 /* 1000 * Linux also prints the capability masks, but we don't have 1001 * capabilities yet, and when we do get them they're likely to 1002 * be meaningless to Linux programs, so we lie. XXX 1003 */ 1004 sbuf_printf(sb, "CapInh:\t%016x\n", 0); 1005 sbuf_printf(sb, "CapPrm:\t%016x\n", 0); 1006 sbuf_printf(sb, "CapEff:\t%016x\n", 0); 1007 1008 return (0); 1009 } 1010 1011 1012 /* 1013 * Filler function for proc/pid/cwd 1014 */ 1015 static int 1016 linprocfs_doproccwd(PFS_FILL_ARGS) 1017 { 1018 struct filedesc *fdp; 1019 struct vnode *vp; 1020 char *fullpath = "unknown"; 1021 char *freepath = NULL; 1022 1023 fdp = p->p_fd; 1024 FILEDESC_SLOCK(fdp); 1025 vp = fdp->fd_cdir; 1026 if (vp != NULL) 1027 VREF(vp); 1028 FILEDESC_SUNLOCK(fdp); 1029 vn_fullpath(td, vp, &fullpath, &freepath); 1030 if (vp != NULL) 1031 vrele(vp); 1032 sbuf_printf(sb, "%s", fullpath); 1033 if (freepath) 1034 free(freepath, M_TEMP); 1035 return (0); 1036 } 1037 1038 /* 1039 * Filler function for proc/pid/root 1040 */ 1041 static int 1042 linprocfs_doprocroot(PFS_FILL_ARGS) 1043 { 1044 struct filedesc *fdp; 1045 struct vnode *vp; 1046 char *fullpath = "unknown"; 1047 char *freepath = NULL; 1048 1049 fdp = p->p_fd; 1050 FILEDESC_SLOCK(fdp); 1051 vp = jailed(p->p_ucred) ? fdp->fd_jdir : fdp->fd_rdir; 1052 if (vp != NULL) 1053 VREF(vp); 1054 FILEDESC_SUNLOCK(fdp); 1055 vn_fullpath(td, vp, &fullpath, &freepath); 1056 if (vp != NULL) 1057 vrele(vp); 1058 sbuf_printf(sb, "%s", fullpath); 1059 if (freepath) 1060 free(freepath, M_TEMP); 1061 return (0); 1062 } 1063 1064 /* 1065 * Filler function for proc/pid/cmdline 1066 */ 1067 static int 1068 linprocfs_doproccmdline(PFS_FILL_ARGS) 1069 { 1070 int ret; 1071 1072 PROC_LOCK(p); 1073 if ((ret = p_cansee(td, p)) != 0) { 1074 PROC_UNLOCK(p); 1075 return (ret); 1076 } 1077 1078 /* 1079 * Mimic linux behavior and pass only processes with usermode 1080 * address space as valid. Return zero silently otherwize. 1081 */ 1082 if (p->p_vmspace == &vmspace0) { 1083 PROC_UNLOCK(p); 1084 return (0); 1085 } 1086 if (p->p_args != NULL) { 1087 sbuf_bcpy(sb, p->p_args->ar_args, p->p_args->ar_length); 1088 PROC_UNLOCK(p); 1089 return (0); 1090 } 1091 1092 if ((p->p_flag & P_SYSTEM) != 0) { 1093 PROC_UNLOCK(p); 1094 return (0); 1095 } 1096 1097 PROC_UNLOCK(p); 1098 1099 ret = proc_getargv(td, p, sb); 1100 return (ret); 1101 } 1102 1103 /* 1104 * Filler function for proc/pid/environ 1105 */ 1106 static int 1107 linprocfs_doprocenviron(PFS_FILL_ARGS) 1108 { 1109 1110 /* 1111 * Mimic linux behavior and pass only processes with usermode 1112 * address space as valid. Return zero silently otherwize. 1113 */ 1114 if (p->p_vmspace == &vmspace0) 1115 return (0); 1116 1117 return (proc_getenvv(td, p, sb)); 1118 } 1119 1120 static char l32_map_str[] = "%08lx-%08lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n"; 1121 static char l64_map_str[] = "%016lx-%016lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n"; 1122 static char vdso_str[] = " [vdso]"; 1123 static char stack_str[] = " [stack]"; 1124 1125 /* 1126 * Filler function for proc/pid/maps 1127 */ 1128 static int 1129 linprocfs_doprocmaps(PFS_FILL_ARGS) 1130 { 1131 struct vmspace *vm; 1132 vm_map_t map; 1133 vm_map_entry_t entry, tmp_entry; 1134 vm_object_t obj, tobj, lobj; 1135 vm_offset_t e_start, e_end; 1136 vm_ooffset_t off = 0; 1137 vm_prot_t e_prot; 1138 unsigned int last_timestamp; 1139 char *name = "", *freename = NULL; 1140 const char *l_map_str; 1141 ino_t ino; 1142 int ref_count, shadow_count, flags; 1143 int error; 1144 struct vnode *vp; 1145 struct vattr vat; 1146 1147 PROC_LOCK(p); 1148 error = p_candebug(td, p); 1149 PROC_UNLOCK(p); 1150 if (error) 1151 return (error); 1152 1153 if (uio->uio_rw != UIO_READ) 1154 return (EOPNOTSUPP); 1155 1156 error = 0; 1157 vm = vmspace_acquire_ref(p); 1158 if (vm == NULL) 1159 return (ESRCH); 1160 1161 if (SV_CURPROC_FLAG(SV_LP64)) 1162 l_map_str = l64_map_str; 1163 else 1164 l_map_str = l32_map_str; 1165 map = &vm->vm_map; 1166 vm_map_lock_read(map); 1167 for (entry = map->header.next; entry != &map->header; 1168 entry = entry->next) { 1169 name = ""; 1170 freename = NULL; 1171 if (entry->eflags & MAP_ENTRY_IS_SUB_MAP) 1172 continue; 1173 e_prot = entry->protection; 1174 e_start = entry->start; 1175 e_end = entry->end; 1176 obj = entry->object.vm_object; 1177 for (lobj = tobj = obj; tobj; tobj = tobj->backing_object) { 1178 VM_OBJECT_RLOCK(tobj); 1179 if (lobj != obj) 1180 VM_OBJECT_RUNLOCK(lobj); 1181 lobj = tobj; 1182 } 1183 last_timestamp = map->timestamp; 1184 vm_map_unlock_read(map); 1185 ino = 0; 1186 if (lobj) { 1187 off = IDX_TO_OFF(lobj->size); 1188 vp = vm_object_vnode(lobj); 1189 if (vp != NULL) 1190 vref(vp); 1191 if (lobj != obj) 1192 VM_OBJECT_RUNLOCK(lobj); 1193 flags = obj->flags; 1194 ref_count = obj->ref_count; 1195 shadow_count = obj->shadow_count; 1196 VM_OBJECT_RUNLOCK(obj); 1197 if (vp != NULL) { 1198 vn_fullpath(td, vp, &name, &freename); 1199 vn_lock(vp, LK_SHARED | LK_RETRY); 1200 VOP_GETATTR(vp, &vat, td->td_ucred); 1201 ino = vat.va_fileid; 1202 vput(vp); 1203 } else if (SV_PROC_ABI(p) == SV_ABI_LINUX) { 1204 if (e_start == p->p_sysent->sv_shared_page_base) 1205 name = vdso_str; 1206 if (e_end == p->p_sysent->sv_usrstack) 1207 name = stack_str; 1208 } 1209 } else { 1210 flags = 0; 1211 ref_count = 0; 1212 shadow_count = 0; 1213 } 1214 1215 /* 1216 * format: 1217 * start, end, access, offset, major, minor, inode, name. 1218 */ 1219 error = sbuf_printf(sb, l_map_str, 1220 (u_long)e_start, (u_long)e_end, 1221 (e_prot & VM_PROT_READ)?"r":"-", 1222 (e_prot & VM_PROT_WRITE)?"w":"-", 1223 (e_prot & VM_PROT_EXECUTE)?"x":"-", 1224 "p", 1225 (u_long)off, 1226 0, 1227 0, 1228 (u_long)ino, 1229 *name ? " " : "", 1230 name 1231 ); 1232 if (freename) 1233 free(freename, M_TEMP); 1234 vm_map_lock_read(map); 1235 if (error == -1) { 1236 error = 0; 1237 break; 1238 } 1239 if (last_timestamp != map->timestamp) { 1240 /* 1241 * Look again for the entry because the map was 1242 * modified while it was unlocked. Specifically, 1243 * the entry may have been clipped, merged, or deleted. 1244 */ 1245 vm_map_lookup_entry(map, e_end - 1, &tmp_entry); 1246 entry = tmp_entry; 1247 } 1248 } 1249 vm_map_unlock_read(map); 1250 vmspace_free(vm); 1251 1252 return (error); 1253 } 1254 1255 /* 1256 * Criteria for interface name translation 1257 */ 1258 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 1259 1260 static int 1261 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen) 1262 { 1263 struct ifnet *ifscan; 1264 int ethno; 1265 1266 IFNET_RLOCK_ASSERT(); 1267 1268 /* Short-circuit non ethernet interfaces */ 1269 if (!IFP_IS_ETH(ifp)) 1270 return (strlcpy(buffer, ifp->if_xname, buflen)); 1271 1272 /* Determine the (relative) unit number for ethernet interfaces */ 1273 ethno = 0; 1274 CK_STAILQ_FOREACH(ifscan, &V_ifnet, if_link) { 1275 if (ifscan == ifp) 1276 return (snprintf(buffer, buflen, "eth%d", ethno)); 1277 if (IFP_IS_ETH(ifscan)) 1278 ethno++; 1279 } 1280 1281 return (0); 1282 } 1283 1284 /* 1285 * Filler function for proc/net/dev 1286 */ 1287 static int 1288 linprocfs_donetdev(PFS_FILL_ARGS) 1289 { 1290 char ifname[16]; /* XXX LINUX_IFNAMSIZ */ 1291 struct ifnet *ifp; 1292 1293 sbuf_printf(sb, "%6s|%58s|%s\n" 1294 "%6s|%58s|%58s\n", 1295 "Inter-", " Receive", " Transmit", 1296 " face", 1297 "bytes packets errs drop fifo frame compressed multicast", 1298 "bytes packets errs drop fifo colls carrier compressed"); 1299 1300 CURVNET_SET(TD_TO_VNET(curthread)); 1301 IFNET_RLOCK(); 1302 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 1303 linux_ifname(ifp, ifname, sizeof ifname); 1304 sbuf_printf(sb, "%6.6s: ", ifname); 1305 sbuf_printf(sb, "%7ju %7ju %4ju %4ju %4lu %5lu %10lu %9ju ", 1306 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IBYTES), 1307 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IPACKETS), 1308 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IERRORS), 1309 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IQDROPS), 1310 /* rx_missed_errors */ 1311 0UL, /* rx_fifo_errors */ 1312 0UL, /* rx_length_errors + 1313 * rx_over_errors + 1314 * rx_crc_errors + 1315 * rx_frame_errors */ 1316 0UL, /* rx_compressed */ 1317 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IMCASTS)); 1318 /* XXX-BZ rx only? */ 1319 sbuf_printf(sb, "%8ju %7ju %4ju %4ju %4lu %5ju %7lu %10lu\n", 1320 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OBYTES), 1321 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OPACKETS), 1322 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OERRORS), 1323 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OQDROPS), 1324 0UL, /* tx_fifo_errors */ 1325 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_COLLISIONS), 1326 0UL, /* tx_carrier_errors + 1327 * tx_aborted_errors + 1328 * tx_window_errors + 1329 * tx_heartbeat_errors*/ 1330 0UL); /* tx_compressed */ 1331 } 1332 IFNET_RUNLOCK(); 1333 CURVNET_RESTORE(); 1334 1335 return (0); 1336 } 1337 1338 /* 1339 * Filler function for proc/sys/kernel/osrelease 1340 */ 1341 static int 1342 linprocfs_doosrelease(PFS_FILL_ARGS) 1343 { 1344 char osrelease[LINUX_MAX_UTSNAME]; 1345 1346 linux_get_osrelease(td, osrelease); 1347 sbuf_printf(sb, "%s\n", osrelease); 1348 1349 return (0); 1350 } 1351 1352 /* 1353 * Filler function for proc/sys/kernel/ostype 1354 */ 1355 static int 1356 linprocfs_doostype(PFS_FILL_ARGS) 1357 { 1358 char osname[LINUX_MAX_UTSNAME]; 1359 1360 linux_get_osname(td, osname); 1361 sbuf_printf(sb, "%s\n", osname); 1362 1363 return (0); 1364 } 1365 1366 /* 1367 * Filler function for proc/sys/kernel/version 1368 */ 1369 static int 1370 linprocfs_doosbuild(PFS_FILL_ARGS) 1371 { 1372 1373 linprocfs_osbuild(td, sb); 1374 sbuf_cat(sb, "\n"); 1375 return (0); 1376 } 1377 1378 /* 1379 * Filler function for proc/sys/kernel/msgmni 1380 */ 1381 static int 1382 linprocfs_domsgmni(PFS_FILL_ARGS) 1383 { 1384 1385 sbuf_printf(sb, "%d\n", msginfo.msgmni); 1386 return (0); 1387 } 1388 1389 /* 1390 * Filler function for proc/sys/kernel/pid_max 1391 */ 1392 static int 1393 linprocfs_dopid_max(PFS_FILL_ARGS) 1394 { 1395 1396 sbuf_printf(sb, "%i\n", PID_MAX); 1397 return (0); 1398 } 1399 1400 /* 1401 * Filler function for proc/sys/kernel/sem 1402 */ 1403 static int 1404 linprocfs_dosem(PFS_FILL_ARGS) 1405 { 1406 1407 sbuf_printf(sb, "%d %d %d %d\n", seminfo.semmsl, seminfo.semmns, 1408 seminfo.semopm, seminfo.semmni); 1409 return (0); 1410 } 1411 1412 /* 1413 * Filler function for proc/sys/vm/min_free_kbytes 1414 * 1415 * This mirrors the approach in illumos to return zero for reads. Effectively, 1416 * it says, no memory is kept in reserve for "atomic allocations". This class 1417 * of allocation can be used at times when a thread cannot be suspended. 1418 */ 1419 static int 1420 linprocfs_dominfree(PFS_FILL_ARGS) 1421 { 1422 1423 sbuf_printf(sb, "%d\n", 0); 1424 return (0); 1425 } 1426 1427 /* 1428 * Filler function for proc/scsi/device_info 1429 */ 1430 static int 1431 linprocfs_doscsidevinfo(PFS_FILL_ARGS) 1432 { 1433 1434 return (0); 1435 } 1436 1437 /* 1438 * Filler function for proc/scsi/scsi 1439 */ 1440 static int 1441 linprocfs_doscsiscsi(PFS_FILL_ARGS) 1442 { 1443 1444 return (0); 1445 } 1446 1447 /* 1448 * Filler function for proc/devices 1449 */ 1450 static int 1451 linprocfs_dodevices(PFS_FILL_ARGS) 1452 { 1453 char *char_devices; 1454 sbuf_printf(sb, "Character devices:\n"); 1455 1456 char_devices = linux_get_char_devices(); 1457 sbuf_printf(sb, "%s", char_devices); 1458 linux_free_get_char_devices(char_devices); 1459 1460 sbuf_printf(sb, "\nBlock devices:\n"); 1461 1462 return (0); 1463 } 1464 1465 /* 1466 * Filler function for proc/cmdline 1467 */ 1468 static int 1469 linprocfs_docmdline(PFS_FILL_ARGS) 1470 { 1471 1472 sbuf_printf(sb, "BOOT_IMAGE=%s", kernelname); 1473 sbuf_printf(sb, " ro root=302\n"); 1474 return (0); 1475 } 1476 1477 /* 1478 * Filler function for proc/filesystems 1479 */ 1480 static int 1481 linprocfs_dofilesystems(PFS_FILL_ARGS) 1482 { 1483 struct vfsconf *vfsp; 1484 1485 vfsconf_slock(); 1486 TAILQ_FOREACH(vfsp, &vfsconf, vfc_list) { 1487 if (vfsp->vfc_flags & VFCF_SYNTHETIC) 1488 sbuf_printf(sb, "nodev"); 1489 sbuf_printf(sb, "\t%s\n", vfsp->vfc_name); 1490 } 1491 vfsconf_sunlock(); 1492 return(0); 1493 } 1494 1495 #if 0 1496 /* 1497 * Filler function for proc/modules 1498 */ 1499 static int 1500 linprocfs_domodules(PFS_FILL_ARGS) 1501 { 1502 struct linker_file *lf; 1503 1504 TAILQ_FOREACH(lf, &linker_files, link) { 1505 sbuf_printf(sb, "%-20s%8lu%4d\n", lf->filename, 1506 (unsigned long)lf->size, lf->refs); 1507 } 1508 return (0); 1509 } 1510 #endif 1511 1512 /* 1513 * Filler function for proc/pid/fd 1514 */ 1515 static int 1516 linprocfs_dofdescfs(PFS_FILL_ARGS) 1517 { 1518 1519 if (p == curproc) 1520 sbuf_printf(sb, "/dev/fd"); 1521 else 1522 sbuf_printf(sb, "unknown"); 1523 return (0); 1524 } 1525 1526 /* 1527 * Filler function for proc/pid/limits 1528 */ 1529 static const struct linux_rlimit_ident { 1530 const char *desc; 1531 const char *unit; 1532 unsigned int rlim_id; 1533 } linux_rlimits_ident[] = { 1534 { "Max cpu time", "seconds", RLIMIT_CPU }, 1535 { "Max file size", "bytes", RLIMIT_FSIZE }, 1536 { "Max data size", "bytes", RLIMIT_DATA }, 1537 { "Max stack size", "bytes", RLIMIT_STACK }, 1538 { "Max core file size", "bytes", RLIMIT_CORE }, 1539 { "Max resident set", "bytes", RLIMIT_RSS }, 1540 { "Max processes", "processes", RLIMIT_NPROC }, 1541 { "Max open files", "files", RLIMIT_NOFILE }, 1542 { "Max locked memory", "bytes", RLIMIT_MEMLOCK }, 1543 { "Max address space", "bytes", RLIMIT_AS }, 1544 { "Max file locks", "locks", LINUX_RLIMIT_LOCKS }, 1545 { "Max pending signals", "signals", LINUX_RLIMIT_SIGPENDING }, 1546 { "Max msgqueue size", "bytes", LINUX_RLIMIT_MSGQUEUE }, 1547 { "Max nice priority", "", LINUX_RLIMIT_NICE }, 1548 { "Max realtime priority", "", LINUX_RLIMIT_RTPRIO }, 1549 { "Max realtime timeout", "us", LINUX_RLIMIT_RTTIME }, 1550 { 0, 0, 0 } 1551 }; 1552 1553 static int 1554 linprocfs_doproclimits(PFS_FILL_ARGS) 1555 { 1556 const struct linux_rlimit_ident *li; 1557 struct plimit *limp; 1558 struct rlimit rl; 1559 ssize_t size; 1560 int res, error; 1561 1562 error = 0; 1563 1564 PROC_LOCK(p); 1565 limp = lim_hold(p->p_limit); 1566 PROC_UNLOCK(p); 1567 size = sizeof(res); 1568 sbuf_printf(sb, "%-26s%-21s%-21s%-21s\n", "Limit", "Soft Limit", 1569 "Hard Limit", "Units"); 1570 for (li = linux_rlimits_ident; li->desc != NULL; ++li) { 1571 switch (li->rlim_id) 1572 { 1573 case LINUX_RLIMIT_LOCKS: 1574 /* FALLTHROUGH */ 1575 case LINUX_RLIMIT_RTTIME: 1576 rl.rlim_cur = RLIM_INFINITY; 1577 break; 1578 case LINUX_RLIMIT_SIGPENDING: 1579 error = kernel_sysctlbyname(td, 1580 "kern.sigqueue.max_pending_per_proc", 1581 &res, &size, 0, 0, 0, 0); 1582 if (error != 0) 1583 goto out; 1584 rl.rlim_cur = res; 1585 rl.rlim_max = res; 1586 break; 1587 case LINUX_RLIMIT_MSGQUEUE: 1588 error = kernel_sysctlbyname(td, 1589 "kern.ipc.msgmnb", &res, &size, 0, 0, 0, 0); 1590 if (error != 0) 1591 goto out; 1592 rl.rlim_cur = res; 1593 rl.rlim_max = res; 1594 break; 1595 case LINUX_RLIMIT_NICE: 1596 /* FALLTHROUGH */ 1597 case LINUX_RLIMIT_RTPRIO: 1598 rl.rlim_cur = 0; 1599 rl.rlim_max = 0; 1600 break; 1601 default: 1602 rl = limp->pl_rlimit[li->rlim_id]; 1603 break; 1604 } 1605 if (rl.rlim_cur == RLIM_INFINITY) 1606 sbuf_printf(sb, "%-26s%-21s%-21s%-10s\n", 1607 li->desc, "unlimited", "unlimited", li->unit); 1608 else 1609 sbuf_printf(sb, "%-26s%-21llu%-21llu%-10s\n", 1610 li->desc, (unsigned long long)rl.rlim_cur, 1611 (unsigned long long)rl.rlim_max, li->unit); 1612 } 1613 out: 1614 lim_free(limp); 1615 return (error); 1616 } 1617 1618 /* 1619 * Filler function for proc/sys/kernel/random/uuid 1620 */ 1621 static int 1622 linprocfs_douuid(PFS_FILL_ARGS) 1623 { 1624 struct uuid uuid; 1625 1626 kern_uuidgen(&uuid, 1); 1627 sbuf_printf_uuid(sb, &uuid); 1628 sbuf_printf(sb, "\n"); 1629 return(0); 1630 } 1631 1632 /* 1633 * Filler function for proc/pid/auxv 1634 */ 1635 static int 1636 linprocfs_doauxv(PFS_FILL_ARGS) 1637 { 1638 struct sbuf *asb; 1639 off_t buflen, resid; 1640 int error; 1641 1642 /* 1643 * Mimic linux behavior and pass only processes with usermode 1644 * address space as valid. Return zero silently otherwise. 1645 */ 1646 if (p->p_vmspace == &vmspace0) 1647 return (0); 1648 1649 if (uio->uio_resid == 0) 1650 return (0); 1651 if (uio->uio_offset < 0 || uio->uio_resid < 0) 1652 return (EINVAL); 1653 1654 asb = sbuf_new_auto(); 1655 if (asb == NULL) 1656 return (ENOMEM); 1657 error = proc_getauxv(td, p, asb); 1658 if (error == 0) 1659 error = sbuf_finish(asb); 1660 1661 resid = sbuf_len(asb) - uio->uio_offset; 1662 if (resid > uio->uio_resid) 1663 buflen = uio->uio_resid; 1664 else 1665 buflen = resid; 1666 if (buflen > IOSIZE_MAX) 1667 return (EINVAL); 1668 if (buflen > MAXPHYS) 1669 buflen = MAXPHYS; 1670 if (resid <= 0) 1671 return (0); 1672 1673 if (error == 0) 1674 error = uiomove(sbuf_data(asb) + uio->uio_offset, buflen, uio); 1675 sbuf_delete(asb); 1676 return (error); 1677 } 1678 1679 /* 1680 * Constructor 1681 */ 1682 static int 1683 linprocfs_init(PFS_INIT_ARGS) 1684 { 1685 struct pfs_node *root; 1686 struct pfs_node *dir; 1687 struct pfs_node *sys; 1688 1689 root = pi->pi_root; 1690 1691 /* /proc/... */ 1692 pfs_create_file(root, "cmdline", &linprocfs_docmdline, 1693 NULL, NULL, NULL, PFS_RD); 1694 pfs_create_file(root, "cpuinfo", &linprocfs_docpuinfo, 1695 NULL, NULL, NULL, PFS_RD); 1696 pfs_create_file(root, "devices", &linprocfs_dodevices, 1697 NULL, NULL, NULL, PFS_RD); 1698 pfs_create_file(root, "filesystems", &linprocfs_dofilesystems, 1699 NULL, NULL, NULL, PFS_RD); 1700 pfs_create_file(root, "loadavg", &linprocfs_doloadavg, 1701 NULL, NULL, NULL, PFS_RD); 1702 pfs_create_file(root, "meminfo", &linprocfs_domeminfo, 1703 NULL, NULL, NULL, PFS_RD); 1704 #if 0 1705 pfs_create_file(root, "modules", &linprocfs_domodules, 1706 NULL, NULL, NULL, PFS_RD); 1707 #endif 1708 pfs_create_file(root, "mounts", &linprocfs_domtab, 1709 NULL, NULL, NULL, PFS_RD); 1710 pfs_create_file(root, "mtab", &linprocfs_domtab, 1711 NULL, NULL, NULL, PFS_RD); 1712 pfs_create_file(root, "partitions", &linprocfs_dopartitions, 1713 NULL, NULL, NULL, PFS_RD); 1714 pfs_create_link(root, "self", &procfs_docurproc, 1715 NULL, NULL, NULL, 0); 1716 pfs_create_file(root, "stat", &linprocfs_dostat, 1717 NULL, NULL, NULL, PFS_RD); 1718 pfs_create_file(root, "swaps", &linprocfs_doswaps, 1719 NULL, NULL, NULL, PFS_RD); 1720 pfs_create_file(root, "uptime", &linprocfs_douptime, 1721 NULL, NULL, NULL, PFS_RD); 1722 pfs_create_file(root, "version", &linprocfs_doversion, 1723 NULL, NULL, NULL, PFS_RD); 1724 1725 /* /proc/net/... */ 1726 dir = pfs_create_dir(root, "net", NULL, NULL, NULL, 0); 1727 pfs_create_file(dir, "dev", &linprocfs_donetdev, 1728 NULL, NULL, NULL, PFS_RD); 1729 1730 /* /proc/<pid>/... */ 1731 dir = pfs_create_dir(root, "pid", NULL, NULL, NULL, PFS_PROCDEP); 1732 pfs_create_file(dir, "cmdline", &linprocfs_doproccmdline, 1733 NULL, NULL, NULL, PFS_RD); 1734 pfs_create_link(dir, "cwd", &linprocfs_doproccwd, 1735 NULL, NULL, NULL, 0); 1736 pfs_create_file(dir, "environ", &linprocfs_doprocenviron, 1737 NULL, &procfs_candebug, NULL, PFS_RD); 1738 pfs_create_link(dir, "exe", &procfs_doprocfile, 1739 NULL, &procfs_notsystem, NULL, 0); 1740 pfs_create_file(dir, "maps", &linprocfs_doprocmaps, 1741 NULL, NULL, NULL, PFS_RD); 1742 pfs_create_file(dir, "mem", &procfs_doprocmem, 1743 procfs_attr_rw, &procfs_candebug, NULL, PFS_RDWR | PFS_RAW); 1744 pfs_create_file(dir, "mounts", &linprocfs_domtab, 1745 NULL, NULL, NULL, PFS_RD); 1746 pfs_create_link(dir, "root", &linprocfs_doprocroot, 1747 NULL, NULL, NULL, 0); 1748 pfs_create_file(dir, "stat", &linprocfs_doprocstat, 1749 NULL, NULL, NULL, PFS_RD); 1750 pfs_create_file(dir, "statm", &linprocfs_doprocstatm, 1751 NULL, NULL, NULL, PFS_RD); 1752 pfs_create_file(dir, "status", &linprocfs_doprocstatus, 1753 NULL, NULL, NULL, PFS_RD); 1754 pfs_create_link(dir, "fd", &linprocfs_dofdescfs, 1755 NULL, NULL, NULL, 0); 1756 pfs_create_file(dir, "auxv", &linprocfs_doauxv, 1757 NULL, &procfs_candebug, NULL, PFS_RD|PFS_RAWRD); 1758 pfs_create_file(dir, "limits", &linprocfs_doproclimits, 1759 NULL, NULL, NULL, PFS_RD); 1760 1761 /* /proc/scsi/... */ 1762 dir = pfs_create_dir(root, "scsi", NULL, NULL, NULL, 0); 1763 pfs_create_file(dir, "device_info", &linprocfs_doscsidevinfo, 1764 NULL, NULL, NULL, PFS_RD); 1765 pfs_create_file(dir, "scsi", &linprocfs_doscsiscsi, 1766 NULL, NULL, NULL, PFS_RD); 1767 1768 /* /proc/sys/... */ 1769 sys = pfs_create_dir(root, "sys", NULL, NULL, NULL, 0); 1770 /* /proc/sys/kernel/... */ 1771 dir = pfs_create_dir(sys, "kernel", NULL, NULL, NULL, 0); 1772 pfs_create_file(dir, "osrelease", &linprocfs_doosrelease, 1773 NULL, NULL, NULL, PFS_RD); 1774 pfs_create_file(dir, "ostype", &linprocfs_doostype, 1775 NULL, NULL, NULL, PFS_RD); 1776 pfs_create_file(dir, "version", &linprocfs_doosbuild, 1777 NULL, NULL, NULL, PFS_RD); 1778 pfs_create_file(dir, "msgmni", &linprocfs_domsgmni, 1779 NULL, NULL, NULL, PFS_RD); 1780 pfs_create_file(dir, "pid_max", &linprocfs_dopid_max, 1781 NULL, NULL, NULL, PFS_RD); 1782 pfs_create_file(dir, "sem", &linprocfs_dosem, 1783 NULL, NULL, NULL, PFS_RD); 1784 1785 /* /proc/sys/kernel/random/... */ 1786 dir = pfs_create_dir(dir, "random", NULL, NULL, NULL, 0); 1787 pfs_create_file(dir, "uuid", &linprocfs_douuid, 1788 NULL, NULL, NULL, PFS_RD); 1789 1790 /* /proc/sys/vm/.... */ 1791 dir = pfs_create_dir(sys, "vm", NULL, NULL, NULL, 0); 1792 pfs_create_file(dir, "min_free_kbytes", &linprocfs_dominfree, 1793 NULL, NULL, NULL, PFS_RD); 1794 1795 return (0); 1796 } 1797 1798 /* 1799 * Destructor 1800 */ 1801 static int 1802 linprocfs_uninit(PFS_INIT_ARGS) 1803 { 1804 1805 /* nothing to do, pseudofs will GC */ 1806 return (0); 1807 } 1808 1809 PSEUDOFS(linprocfs, 1, VFCF_JAIL); 1810 #if defined(__aarch64__) || defined(__amd64__) 1811 MODULE_DEPEND(linprocfs, linux_common, 1, 1, 1); 1812 #else 1813 MODULE_DEPEND(linprocfs, linux, 1, 1, 1); 1814 #endif 1815 MODULE_DEPEND(linprocfs, procfs, 1, 1, 1); 1816 MODULE_DEPEND(linprocfs, sysvmsg, 1, 1, 1); 1817 MODULE_DEPEND(linprocfs, sysvsem, 1, 1, 1); 1818