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, "autofs") == 0) { 466 /* 467 * FreeBSD uses eg "map -hosts", whereas Linux 468 * expects just "-hosts". 469 */ 470 if (strncmp(mntfrom, "map ", 4) == 0) 471 mntfrom += 4; 472 } 473 474 if (strcmp(fstype, "linsysfs") == 0) { 475 sbuf_printf(sb, "/sys %s sysfs %s", mntto, 476 sp->f_flags & MNT_RDONLY ? "ro" : "rw"); 477 } else { 478 /* For Linux msdosfs is called vfat */ 479 if (strcmp(fstype, "msdosfs") == 0) 480 fstype = "vfat"; 481 sbuf_printf(sb, "%s %s %s %s", mntfrom, mntto, fstype, 482 sp->f_flags & MNT_RDONLY ? "ro" : "rw"); 483 } 484 #define ADD_OPTION(opt, name) \ 485 if (sp->f_flags & (opt)) sbuf_printf(sb, "," name); 486 ADD_OPTION(MNT_SYNCHRONOUS, "sync"); 487 ADD_OPTION(MNT_NOEXEC, "noexec"); 488 ADD_OPTION(MNT_NOSUID, "nosuid"); 489 ADD_OPTION(MNT_UNION, "union"); 490 ADD_OPTION(MNT_ASYNC, "async"); 491 ADD_OPTION(MNT_SUIDDIR, "suiddir"); 492 ADD_OPTION(MNT_NOSYMFOLLOW, "nosymfollow"); 493 ADD_OPTION(MNT_NOATIME, "noatime"); 494 #undef ADD_OPTION 495 /* a real Linux mtab will also show NFS options */ 496 sbuf_printf(sb, " 0 0\n"); 497 } 498 499 free(buf, M_TEMP); 500 free(flep, M_TEMP); 501 return (error); 502 } 503 504 /* 505 * Filler function for proc/partitions 506 */ 507 static int 508 linprocfs_dopartitions(PFS_FILL_ARGS) 509 { 510 struct g_class *cp; 511 struct g_geom *gp; 512 struct g_provider *pp; 513 int major, minor; 514 515 g_topology_lock(); 516 sbuf_printf(sb, "major minor #blocks name rio rmerge rsect " 517 "ruse wio wmerge wsect wuse running use aveq\n"); 518 519 LIST_FOREACH(cp, &g_classes, class) { 520 if (strcmp(cp->name, "DISK") == 0 || 521 strcmp(cp->name, "PART") == 0) 522 LIST_FOREACH(gp, &cp->geom, geom) { 523 LIST_FOREACH(pp, &gp->provider, provider) { 524 if (linux_driver_get_major_minor( 525 pp->name, &major, &minor) != 0) { 526 major = 0; 527 minor = 0; 528 } 529 sbuf_printf(sb, "%d %d %lld %s " 530 "%d %d %d %d %d " 531 "%d %d %d %d %d %d\n", 532 major, minor, 533 (long long)pp->mediasize, pp->name, 534 0, 0, 0, 0, 0, 535 0, 0, 0, 0, 0, 0); 536 } 537 } 538 } 539 g_topology_unlock(); 540 541 return (0); 542 } 543 544 /* 545 * Filler function for proc/stat 546 * 547 * Output depends on kernel version: 548 * 549 * v2.5.40 <= 550 * user nice system idle 551 * v2.5.41 552 * user nice system idle iowait 553 * v2.6.11 554 * user nice system idle iowait irq softirq steal 555 * v2.6.24 556 * user nice system idle iowait irq softirq steal guest 557 * v2.6.33 >= 558 * user nice system idle iowait irq softirq steal guest guest_nice 559 */ 560 static int 561 linprocfs_dostat(PFS_FILL_ARGS) 562 { 563 struct pcpu *pcpu; 564 long cp_time[CPUSTATES]; 565 long *cp; 566 struct timeval boottime; 567 int i; 568 char *zero_pad; 569 bool has_intr = true; 570 571 if (linux_kernver(td) >= LINUX_KERNVER(2,6,33)) { 572 zero_pad = " 0 0 0 0\n"; 573 } else if (linux_kernver(td) >= LINUX_KERNVER(2,6,24)) { 574 zero_pad = " 0 0 0\n"; 575 } else if (linux_kernver(td) >= LINUX_KERNVER(2,6,11)) { 576 zero_pad = " 0 0\n"; 577 } else if (linux_kernver(td) >= LINUX_KERNVER(2,5,41)) { 578 has_intr = false; 579 zero_pad = " 0\n"; 580 } else { 581 has_intr = false; 582 zero_pad = "\n"; 583 } 584 585 read_cpu_time(cp_time); 586 getboottime(&boottime); 587 /* Parameters common to all versions */ 588 sbuf_printf(sb, "cpu %lu %lu %lu %lu", 589 T2J(cp_time[CP_USER]), 590 T2J(cp_time[CP_NICE]), 591 T2J(cp_time[CP_SYS]), 592 T2J(cp_time[CP_IDLE])); 593 594 /* Print interrupt stats if available */ 595 if (has_intr) { 596 sbuf_printf(sb, " 0 %lu", T2J(cp_time[CP_INTR])); 597 } 598 599 /* Pad out remaining fields depending on version */ 600 sbuf_printf(sb, "%s", zero_pad); 601 602 CPU_FOREACH(i) { 603 pcpu = pcpu_find(i); 604 cp = pcpu->pc_cp_time; 605 sbuf_printf(sb, "cpu%d %lu %lu %lu %lu", i, 606 T2J(cp[CP_USER]), 607 T2J(cp[CP_NICE]), 608 T2J(cp[CP_SYS]), 609 T2J(cp[CP_IDLE])); 610 611 if (has_intr) { 612 sbuf_printf(sb, " 0 %lu", T2J(cp[CP_INTR])); 613 } 614 615 sbuf_printf(sb, "%s", zero_pad); 616 } 617 sbuf_printf(sb, 618 "disk 0 0 0 0\n" 619 "page %ju %ju\n" 620 "swap %ju %ju\n" 621 "intr %ju\n" 622 "ctxt %ju\n" 623 "btime %lld\n", 624 (uintmax_t)VM_CNT_FETCH(v_vnodepgsin), 625 (uintmax_t)VM_CNT_FETCH(v_vnodepgsout), 626 (uintmax_t)VM_CNT_FETCH(v_swappgsin), 627 (uintmax_t)VM_CNT_FETCH(v_swappgsout), 628 (uintmax_t)VM_CNT_FETCH(v_intr), 629 (uintmax_t)VM_CNT_FETCH(v_swtch), 630 (long long)boottime.tv_sec); 631 return (0); 632 } 633 634 static int 635 linprocfs_doswaps(PFS_FILL_ARGS) 636 { 637 struct xswdev xsw; 638 uintmax_t total, used; 639 int n; 640 char devname[SPECNAMELEN + 1]; 641 642 sbuf_printf(sb, "Filename\t\t\t\tType\t\tSize\tUsed\tPriority\n"); 643 for (n = 0; ; n++) { 644 if (swap_dev_info(n, &xsw, devname, sizeof(devname)) != 0) 645 break; 646 total = (uintmax_t)xsw.xsw_nblks * PAGE_SIZE / 1024; 647 used = (uintmax_t)xsw.xsw_used * PAGE_SIZE / 1024; 648 649 /* 650 * The space and not tab after the device name is on 651 * purpose. Linux does so. 652 */ 653 sbuf_printf(sb, "/dev/%-34s unknown\t\t%jd\t%jd\t-1\n", 654 devname, total, used); 655 } 656 return (0); 657 } 658 659 /* 660 * Filler function for proc/uptime 661 */ 662 static int 663 linprocfs_douptime(PFS_FILL_ARGS) 664 { 665 long cp_time[CPUSTATES]; 666 struct timeval tv; 667 668 getmicrouptime(&tv); 669 read_cpu_time(cp_time); 670 sbuf_printf(sb, "%lld.%02ld %ld.%02lu\n", 671 (long long)tv.tv_sec, tv.tv_usec / 10000, 672 T2S(cp_time[CP_IDLE] / mp_ncpus), 673 T2CS(cp_time[CP_IDLE] / mp_ncpus) % 100); 674 return (0); 675 } 676 677 /* 678 * Get OS build date 679 */ 680 static void 681 linprocfs_osbuild(struct thread *td, struct sbuf *sb) 682 { 683 #if 0 684 char osbuild[256]; 685 char *cp1, *cp2; 686 687 strncpy(osbuild, version, 256); 688 osbuild[255] = '\0'; 689 cp1 = strstr(osbuild, "\n"); 690 cp2 = strstr(osbuild, ":"); 691 if (cp1 && cp2) { 692 *cp1 = *cp2 = '\0'; 693 cp1 = strstr(osbuild, "#"); 694 } else 695 cp1 = NULL; 696 if (cp1) 697 sbuf_printf(sb, "%s%s", cp1, cp2 + 1); 698 else 699 #endif 700 sbuf_cat(sb, "#4 Sun Dec 18 04:30:00 CET 1977"); 701 } 702 703 /* 704 * Get OS builder 705 */ 706 static void 707 linprocfs_osbuilder(struct thread *td, struct sbuf *sb) 708 { 709 #if 0 710 char builder[256]; 711 char *cp; 712 713 cp = strstr(version, "\n "); 714 if (cp) { 715 strncpy(builder, cp + 5, 256); 716 builder[255] = '\0'; 717 cp = strstr(builder, ":"); 718 if (cp) 719 *cp = '\0'; 720 } 721 if (cp) 722 sbuf_cat(sb, builder); 723 else 724 #endif 725 sbuf_cat(sb, "des@freebsd.org"); 726 } 727 728 /* 729 * Filler function for proc/version 730 */ 731 static int 732 linprocfs_doversion(PFS_FILL_ARGS) 733 { 734 char osname[LINUX_MAX_UTSNAME]; 735 char osrelease[LINUX_MAX_UTSNAME]; 736 737 linux_get_osname(td, osname); 738 linux_get_osrelease(td, osrelease); 739 sbuf_printf(sb, "%s version %s (", osname, osrelease); 740 linprocfs_osbuilder(td, sb); 741 sbuf_cat(sb, ") (gcc version " __VERSION__ ") "); 742 linprocfs_osbuild(td, sb); 743 sbuf_cat(sb, "\n"); 744 745 return (0); 746 } 747 748 /* 749 * Filler function for proc/loadavg 750 */ 751 static int 752 linprocfs_doloadavg(PFS_FILL_ARGS) 753 { 754 755 sbuf_printf(sb, 756 "%d.%02d %d.%02d %d.%02d %d/%d %d\n", 757 (int)(averunnable.ldavg[0] / averunnable.fscale), 758 (int)(averunnable.ldavg[0] * 100 / averunnable.fscale % 100), 759 (int)(averunnable.ldavg[1] / averunnable.fscale), 760 (int)(averunnable.ldavg[1] * 100 / averunnable.fscale % 100), 761 (int)(averunnable.ldavg[2] / averunnable.fscale), 762 (int)(averunnable.ldavg[2] * 100 / averunnable.fscale % 100), 763 1, /* number of running tasks */ 764 nprocs, /* number of tasks */ 765 lastpid /* the last pid */ 766 ); 767 return (0); 768 } 769 770 static int 771 linprocfs_get_tty_nr(struct proc *p) 772 { 773 struct session *sp; 774 const char *ttyname; 775 int error, major, minor, nr; 776 777 PROC_LOCK_ASSERT(p, MA_OWNED); 778 sx_assert(&proctree_lock, SX_LOCKED); 779 780 if ((p->p_flag & P_CONTROLT) == 0) 781 return (-1); 782 783 sp = p->p_pgrp->pg_session; 784 if (sp == NULL) 785 return (-1); 786 787 ttyname = devtoname(sp->s_ttyp->t_dev); 788 error = linux_driver_get_major_minor(ttyname, &major, &minor); 789 if (error != 0) 790 return (-1); 791 792 nr = makedev(major, minor); 793 return (nr); 794 } 795 796 /* 797 * Filler function for proc/pid/stat 798 */ 799 static int 800 linprocfs_doprocstat(PFS_FILL_ARGS) 801 { 802 struct kinfo_proc kp; 803 struct timeval boottime; 804 char state; 805 static int ratelimit = 0; 806 int tty_nr; 807 vm_offset_t startcode, startdata; 808 809 getboottime(&boottime); 810 sx_slock(&proctree_lock); 811 PROC_LOCK(p); 812 fill_kinfo_proc(p, &kp); 813 tty_nr = linprocfs_get_tty_nr(p); 814 sx_sunlock(&proctree_lock); 815 if (p->p_vmspace) { 816 startcode = (vm_offset_t)p->p_vmspace->vm_taddr; 817 startdata = (vm_offset_t)p->p_vmspace->vm_daddr; 818 } else { 819 startcode = 0; 820 startdata = 0; 821 } 822 sbuf_printf(sb, "%d", p->p_pid); 823 #define PS_ADD(name, fmt, arg) sbuf_printf(sb, " " fmt, arg) 824 PS_ADD("comm", "(%s)", p->p_comm); 825 if (kp.ki_stat > sizeof(linux_state)) { 826 state = 'R'; 827 828 if (ratelimit == 0) { 829 printf("linprocfs: don't know how to handle unknown FreeBSD state %d/%zd, mapping to R\n", 830 kp.ki_stat, sizeof(linux_state)); 831 ++ratelimit; 832 } 833 } else 834 state = linux_state[kp.ki_stat - 1]; 835 PS_ADD("state", "%c", state); 836 PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0); 837 PS_ADD("pgrp", "%d", p->p_pgid); 838 PS_ADD("session", "%d", p->p_session->s_sid); 839 PROC_UNLOCK(p); 840 PS_ADD("tty", "%d", tty_nr); 841 PS_ADD("tpgid", "%d", kp.ki_tpgid); 842 PS_ADD("flags", "%u", 0); /* XXX */ 843 PS_ADD("minflt", "%lu", kp.ki_rusage.ru_minflt); 844 PS_ADD("cminflt", "%lu", kp.ki_rusage_ch.ru_minflt); 845 PS_ADD("majflt", "%lu", kp.ki_rusage.ru_majflt); 846 PS_ADD("cmajflt", "%lu", kp.ki_rusage_ch.ru_majflt); 847 PS_ADD("utime", "%ld", TV2J(&kp.ki_rusage.ru_utime)); 848 PS_ADD("stime", "%ld", TV2J(&kp.ki_rusage.ru_stime)); 849 PS_ADD("cutime", "%ld", TV2J(&kp.ki_rusage_ch.ru_utime)); 850 PS_ADD("cstime", "%ld", TV2J(&kp.ki_rusage_ch.ru_stime)); 851 PS_ADD("priority", "%d", kp.ki_pri.pri_user); 852 PS_ADD("nice", "%d", kp.ki_nice); /* 19 (nicest) to -19 */ 853 PS_ADD("0", "%d", 0); /* removed field */ 854 PS_ADD("itrealvalue", "%d", 0); /* XXX */ 855 PS_ADD("starttime", "%lu", TV2J(&kp.ki_start) - TV2J(&boottime)); 856 PS_ADD("vsize", "%ju", P2K((uintmax_t)kp.ki_size)); 857 PS_ADD("rss", "%ju", (uintmax_t)kp.ki_rssize); 858 PS_ADD("rlim", "%lu", kp.ki_rusage.ru_maxrss); 859 PS_ADD("startcode", "%ju", (uintmax_t)startcode); 860 PS_ADD("endcode", "%ju", (uintmax_t)startdata); 861 PS_ADD("startstack", "%u", 0); /* XXX */ 862 PS_ADD("kstkesp", "%u", 0); /* XXX */ 863 PS_ADD("kstkeip", "%u", 0); /* XXX */ 864 PS_ADD("signal", "%u", 0); /* XXX */ 865 PS_ADD("blocked", "%u", 0); /* XXX */ 866 PS_ADD("sigignore", "%u", 0); /* XXX */ 867 PS_ADD("sigcatch", "%u", 0); /* XXX */ 868 PS_ADD("wchan", "%u", 0); /* XXX */ 869 PS_ADD("nswap", "%lu", kp.ki_rusage.ru_nswap); 870 PS_ADD("cnswap", "%lu", kp.ki_rusage_ch.ru_nswap); 871 PS_ADD("exitsignal", "%d", 0); /* XXX */ 872 PS_ADD("processor", "%u", kp.ki_lastcpu); 873 PS_ADD("rt_priority", "%u", 0); /* XXX */ /* >= 2.5.19 */ 874 PS_ADD("policy", "%u", kp.ki_pri.pri_class); /* >= 2.5.19 */ 875 #undef PS_ADD 876 sbuf_putc(sb, '\n'); 877 878 return (0); 879 } 880 881 /* 882 * Filler function for proc/pid/statm 883 */ 884 static int 885 linprocfs_doprocstatm(PFS_FILL_ARGS) 886 { 887 struct kinfo_proc kp; 888 segsz_t lsize; 889 890 sx_slock(&proctree_lock); 891 PROC_LOCK(p); 892 fill_kinfo_proc(p, &kp); 893 PROC_UNLOCK(p); 894 sx_sunlock(&proctree_lock); 895 896 /* 897 * See comments in linprocfs_doprocstatus() regarding the 898 * computation of lsize. 899 */ 900 /* size resident share trs drs lrs dt */ 901 sbuf_printf(sb, "%ju ", B2P((uintmax_t)kp.ki_size)); 902 sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_rssize); 903 sbuf_printf(sb, "%ju ", (uintmax_t)0); /* XXX */ 904 sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_tsize); 905 sbuf_printf(sb, "%ju ", (uintmax_t)(kp.ki_dsize + kp.ki_ssize)); 906 lsize = B2P(kp.ki_size) - kp.ki_dsize - 907 kp.ki_ssize - kp.ki_tsize - 1; 908 sbuf_printf(sb, "%ju ", (uintmax_t)lsize); 909 sbuf_printf(sb, "%ju\n", (uintmax_t)0); /* XXX */ 910 911 return (0); 912 } 913 914 /* 915 * Filler function for proc/pid/status 916 */ 917 static int 918 linprocfs_doprocstatus(PFS_FILL_ARGS) 919 { 920 struct kinfo_proc kp; 921 char *state; 922 segsz_t lsize; 923 struct thread *td2; 924 struct sigacts *ps; 925 l_sigset_t siglist, sigignore, sigcatch; 926 int i; 927 928 sx_slock(&proctree_lock); 929 PROC_LOCK(p); 930 td2 = FIRST_THREAD_IN_PROC(p); /* XXXKSE pretend only one thread */ 931 932 if (P_SHOULDSTOP(p)) { 933 state = "T (stopped)"; 934 } else { 935 switch(p->p_state) { 936 case PRS_NEW: 937 state = "I (idle)"; 938 break; 939 case PRS_NORMAL: 940 if (p->p_flag & P_WEXIT) { 941 state = "X (exiting)"; 942 break; 943 } 944 switch(td2->td_state) { 945 case TDS_INHIBITED: 946 state = "S (sleeping)"; 947 break; 948 case TDS_RUNQ: 949 case TDS_RUNNING: 950 state = "R (running)"; 951 break; 952 default: 953 state = "? (unknown)"; 954 break; 955 } 956 break; 957 case PRS_ZOMBIE: 958 state = "Z (zombie)"; 959 break; 960 default: 961 state = "? (unknown)"; 962 break; 963 } 964 } 965 966 fill_kinfo_proc(p, &kp); 967 sx_sunlock(&proctree_lock); 968 969 sbuf_printf(sb, "Name:\t%s\n", p->p_comm); /* XXX escape */ 970 sbuf_printf(sb, "State:\t%s\n", state); 971 972 /* 973 * Credentials 974 */ 975 sbuf_printf(sb, "Tgid:\t%d\n", p->p_pid); 976 sbuf_printf(sb, "Pid:\t%d\n", p->p_pid); 977 sbuf_printf(sb, "PPid:\t%d\n", kp.ki_ppid ); 978 sbuf_printf(sb, "TracerPid:\t%d\n", kp.ki_tracer ); 979 sbuf_printf(sb, "Uid:\t%d %d %d %d\n", p->p_ucred->cr_ruid, 980 p->p_ucred->cr_uid, 981 p->p_ucred->cr_svuid, 982 /* FreeBSD doesn't have fsuid */ 983 p->p_ucred->cr_uid); 984 sbuf_printf(sb, "Gid:\t%d %d %d %d\n", p->p_ucred->cr_rgid, 985 p->p_ucred->cr_gid, 986 p->p_ucred->cr_svgid, 987 /* FreeBSD doesn't have fsgid */ 988 p->p_ucred->cr_gid); 989 sbuf_cat(sb, "Groups:\t"); 990 for (i = 0; i < p->p_ucred->cr_ngroups; i++) 991 sbuf_printf(sb, "%d ", p->p_ucred->cr_groups[i]); 992 PROC_UNLOCK(p); 993 sbuf_putc(sb, '\n'); 994 995 /* 996 * Memory 997 * 998 * While our approximation of VmLib may not be accurate (I 999 * don't know of a simple way to verify it, and I'm not sure 1000 * it has much meaning anyway), I believe it's good enough. 1001 * 1002 * The same code that could (I think) accurately compute VmLib 1003 * could also compute VmLck, but I don't really care enough to 1004 * implement it. Submissions are welcome. 1005 */ 1006 sbuf_printf(sb, "VmSize:\t%8ju kB\n", B2K((uintmax_t)kp.ki_size)); 1007 sbuf_printf(sb, "VmLck:\t%8u kB\n", P2K(0)); /* XXX */ 1008 sbuf_printf(sb, "VmRSS:\t%8ju kB\n", P2K((uintmax_t)kp.ki_rssize)); 1009 sbuf_printf(sb, "VmData:\t%8ju kB\n", P2K((uintmax_t)kp.ki_dsize)); 1010 sbuf_printf(sb, "VmStk:\t%8ju kB\n", P2K((uintmax_t)kp.ki_ssize)); 1011 sbuf_printf(sb, "VmExe:\t%8ju kB\n", P2K((uintmax_t)kp.ki_tsize)); 1012 lsize = B2P(kp.ki_size) - kp.ki_dsize - 1013 kp.ki_ssize - kp.ki_tsize - 1; 1014 sbuf_printf(sb, "VmLib:\t%8ju kB\n", P2K((uintmax_t)lsize)); 1015 1016 /* 1017 * Signal masks 1018 */ 1019 PROC_LOCK(p); 1020 bsd_to_linux_sigset(&p->p_siglist, &siglist); 1021 ps = p->p_sigacts; 1022 mtx_lock(&ps->ps_mtx); 1023 bsd_to_linux_sigset(&ps->ps_sigignore, &sigignore); 1024 bsd_to_linux_sigset(&ps->ps_sigcatch, &sigcatch); 1025 mtx_unlock(&ps->ps_mtx); 1026 PROC_UNLOCK(p); 1027 1028 sbuf_printf(sb, "SigPnd:\t%016jx\n", siglist.__mask); 1029 /* 1030 * XXX. SigBlk - target thread's signal mask, td_sigmask. 1031 * To implement SigBlk pseudofs should support proc/tid dir entries. 1032 */ 1033 sbuf_printf(sb, "SigBlk:\t%016x\n", 0); 1034 sbuf_printf(sb, "SigIgn:\t%016jx\n", sigignore.__mask); 1035 sbuf_printf(sb, "SigCgt:\t%016jx\n", sigcatch.__mask); 1036 1037 /* 1038 * Linux also prints the capability masks, but we don't have 1039 * capabilities yet, and when we do get them they're likely to 1040 * be meaningless to Linux programs, so we lie. XXX 1041 */ 1042 sbuf_printf(sb, "CapInh:\t%016x\n", 0); 1043 sbuf_printf(sb, "CapPrm:\t%016x\n", 0); 1044 sbuf_printf(sb, "CapEff:\t%016x\n", 0); 1045 1046 return (0); 1047 } 1048 1049 1050 /* 1051 * Filler function for proc/pid/cwd 1052 */ 1053 static int 1054 linprocfs_doproccwd(PFS_FILL_ARGS) 1055 { 1056 struct pwd *pwd; 1057 char *fullpath = "unknown"; 1058 char *freepath = NULL; 1059 1060 pwd = pwd_hold(td); 1061 vn_fullpath(td, pwd->pwd_cdir, &fullpath, &freepath); 1062 sbuf_printf(sb, "%s", fullpath); 1063 if (freepath) 1064 free(freepath, M_TEMP); 1065 pwd_drop(pwd); 1066 return (0); 1067 } 1068 1069 /* 1070 * Filler function for proc/pid/root 1071 */ 1072 static int 1073 linprocfs_doprocroot(PFS_FILL_ARGS) 1074 { 1075 struct pwd *pwd; 1076 struct vnode *vp; 1077 char *fullpath = "unknown"; 1078 char *freepath = NULL; 1079 1080 pwd = pwd_hold(td); 1081 vp = jailed(p->p_ucred) ? pwd->pwd_jdir : pwd->pwd_rdir; 1082 vn_fullpath(td, vp, &fullpath, &freepath); 1083 sbuf_printf(sb, "%s", fullpath); 1084 if (freepath) 1085 free(freepath, M_TEMP); 1086 pwd_drop(pwd); 1087 return (0); 1088 } 1089 1090 /* 1091 * Filler function for proc/pid/cmdline 1092 */ 1093 static int 1094 linprocfs_doproccmdline(PFS_FILL_ARGS) 1095 { 1096 int ret; 1097 1098 PROC_LOCK(p); 1099 if ((ret = p_cansee(td, p)) != 0) { 1100 PROC_UNLOCK(p); 1101 return (ret); 1102 } 1103 1104 /* 1105 * Mimic linux behavior and pass only processes with usermode 1106 * address space as valid. Return zero silently otherwize. 1107 */ 1108 if (p->p_vmspace == &vmspace0) { 1109 PROC_UNLOCK(p); 1110 return (0); 1111 } 1112 if (p->p_args != NULL) { 1113 sbuf_bcpy(sb, p->p_args->ar_args, p->p_args->ar_length); 1114 PROC_UNLOCK(p); 1115 return (0); 1116 } 1117 1118 if ((p->p_flag & P_SYSTEM) != 0) { 1119 PROC_UNLOCK(p); 1120 return (0); 1121 } 1122 1123 PROC_UNLOCK(p); 1124 1125 ret = proc_getargv(td, p, sb); 1126 return (ret); 1127 } 1128 1129 /* 1130 * Filler function for proc/pid/environ 1131 */ 1132 static int 1133 linprocfs_doprocenviron(PFS_FILL_ARGS) 1134 { 1135 1136 /* 1137 * Mimic linux behavior and pass only processes with usermode 1138 * address space as valid. Return zero silently otherwize. 1139 */ 1140 if (p->p_vmspace == &vmspace0) 1141 return (0); 1142 1143 return (proc_getenvv(td, p, sb)); 1144 } 1145 1146 static char l32_map_str[] = "%08lx-%08lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n"; 1147 static char l64_map_str[] = "%016lx-%016lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n"; 1148 static char vdso_str[] = " [vdso]"; 1149 static char stack_str[] = " [stack]"; 1150 1151 /* 1152 * Filler function for proc/pid/maps 1153 */ 1154 static int 1155 linprocfs_doprocmaps(PFS_FILL_ARGS) 1156 { 1157 struct vmspace *vm; 1158 vm_map_t map; 1159 vm_map_entry_t entry, tmp_entry; 1160 vm_object_t obj, tobj, lobj; 1161 vm_offset_t e_start, e_end; 1162 vm_ooffset_t off; 1163 vm_prot_t e_prot; 1164 unsigned int last_timestamp; 1165 char *name = "", *freename = NULL; 1166 const char *l_map_str; 1167 ino_t ino; 1168 int ref_count, shadow_count, flags; 1169 int error; 1170 struct vnode *vp; 1171 struct vattr vat; 1172 bool private; 1173 1174 PROC_LOCK(p); 1175 error = p_candebug(td, p); 1176 PROC_UNLOCK(p); 1177 if (error) 1178 return (error); 1179 1180 if (uio->uio_rw != UIO_READ) 1181 return (EOPNOTSUPP); 1182 1183 error = 0; 1184 vm = vmspace_acquire_ref(p); 1185 if (vm == NULL) 1186 return (ESRCH); 1187 1188 if (SV_CURPROC_FLAG(SV_LP64)) 1189 l_map_str = l64_map_str; 1190 else 1191 l_map_str = l32_map_str; 1192 map = &vm->vm_map; 1193 vm_map_lock_read(map); 1194 VM_MAP_ENTRY_FOREACH(entry, map) { 1195 name = ""; 1196 freename = NULL; 1197 if (entry->eflags & MAP_ENTRY_IS_SUB_MAP) 1198 continue; 1199 e_prot = entry->protection; 1200 e_start = entry->start; 1201 e_end = entry->end; 1202 obj = entry->object.vm_object; 1203 off = entry->offset; 1204 for (lobj = tobj = obj; tobj != NULL; 1205 lobj = tobj, tobj = tobj->backing_object) { 1206 VM_OBJECT_RLOCK(tobj); 1207 off += lobj->backing_object_offset; 1208 if (lobj != obj) 1209 VM_OBJECT_RUNLOCK(lobj); 1210 } 1211 private = (entry->eflags & MAP_ENTRY_COW) != 0 || obj == NULL || 1212 (obj->flags & OBJ_ANON) != 0; 1213 last_timestamp = map->timestamp; 1214 vm_map_unlock_read(map); 1215 ino = 0; 1216 if (lobj) { 1217 vp = vm_object_vnode(lobj); 1218 if (vp != NULL) 1219 vref(vp); 1220 if (lobj != obj) 1221 VM_OBJECT_RUNLOCK(lobj); 1222 flags = obj->flags; 1223 ref_count = obj->ref_count; 1224 shadow_count = obj->shadow_count; 1225 VM_OBJECT_RUNLOCK(obj); 1226 if (vp != NULL) { 1227 vn_fullpath(td, vp, &name, &freename); 1228 vn_lock(vp, LK_SHARED | LK_RETRY); 1229 VOP_GETATTR(vp, &vat, td->td_ucred); 1230 ino = vat.va_fileid; 1231 vput(vp); 1232 } else if (SV_PROC_ABI(p) == SV_ABI_LINUX) { 1233 if (e_start == p->p_sysent->sv_shared_page_base) 1234 name = vdso_str; 1235 if (e_end == p->p_sysent->sv_usrstack) 1236 name = stack_str; 1237 } 1238 } else { 1239 flags = 0; 1240 ref_count = 0; 1241 shadow_count = 0; 1242 } 1243 1244 /* 1245 * format: 1246 * start, end, access, offset, major, minor, inode, name. 1247 */ 1248 error = sbuf_printf(sb, l_map_str, 1249 (u_long)e_start, (u_long)e_end, 1250 (e_prot & VM_PROT_READ)?"r":"-", 1251 (e_prot & VM_PROT_WRITE)?"w":"-", 1252 (e_prot & VM_PROT_EXECUTE)?"x":"-", 1253 private ? "p" : "s", 1254 (u_long)off, 1255 0, 1256 0, 1257 (u_long)ino, 1258 *name ? " " : "", 1259 name 1260 ); 1261 if (freename) 1262 free(freename, M_TEMP); 1263 vm_map_lock_read(map); 1264 if (error == -1) { 1265 error = 0; 1266 break; 1267 } 1268 if (last_timestamp != map->timestamp) { 1269 /* 1270 * Look again for the entry because the map was 1271 * modified while it was unlocked. Specifically, 1272 * the entry may have been clipped, merged, or deleted. 1273 */ 1274 vm_map_lookup_entry(map, e_end - 1, &tmp_entry); 1275 entry = tmp_entry; 1276 } 1277 } 1278 vm_map_unlock_read(map); 1279 vmspace_free(vm); 1280 1281 return (error); 1282 } 1283 1284 /* 1285 * Criteria for interface name translation 1286 */ 1287 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 1288 1289 static int 1290 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen) 1291 { 1292 struct ifnet *ifscan; 1293 int ethno; 1294 1295 IFNET_RLOCK_ASSERT(); 1296 1297 /* Short-circuit non ethernet interfaces */ 1298 if (!IFP_IS_ETH(ifp)) 1299 return (strlcpy(buffer, ifp->if_xname, buflen)); 1300 1301 /* Determine the (relative) unit number for ethernet interfaces */ 1302 ethno = 0; 1303 CK_STAILQ_FOREACH(ifscan, &V_ifnet, if_link) { 1304 if (ifscan == ifp) 1305 return (snprintf(buffer, buflen, "eth%d", ethno)); 1306 if (IFP_IS_ETH(ifscan)) 1307 ethno++; 1308 } 1309 1310 return (0); 1311 } 1312 1313 /* 1314 * Filler function for proc/net/dev 1315 */ 1316 static int 1317 linprocfs_donetdev(PFS_FILL_ARGS) 1318 { 1319 char ifname[16]; /* XXX LINUX_IFNAMSIZ */ 1320 struct ifnet *ifp; 1321 1322 sbuf_printf(sb, "%6s|%58s|%s\n" 1323 "%6s|%58s|%58s\n", 1324 "Inter-", " Receive", " Transmit", 1325 " face", 1326 "bytes packets errs drop fifo frame compressed multicast", 1327 "bytes packets errs drop fifo colls carrier compressed"); 1328 1329 CURVNET_SET(TD_TO_VNET(curthread)); 1330 IFNET_RLOCK(); 1331 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 1332 linux_ifname(ifp, ifname, sizeof ifname); 1333 sbuf_printf(sb, "%6.6s: ", ifname); 1334 sbuf_printf(sb, "%7ju %7ju %4ju %4ju %4lu %5lu %10lu %9ju ", 1335 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IBYTES), 1336 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IPACKETS), 1337 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IERRORS), 1338 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IQDROPS), 1339 /* rx_missed_errors */ 1340 0UL, /* rx_fifo_errors */ 1341 0UL, /* rx_length_errors + 1342 * rx_over_errors + 1343 * rx_crc_errors + 1344 * rx_frame_errors */ 1345 0UL, /* rx_compressed */ 1346 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IMCASTS)); 1347 /* XXX-BZ rx only? */ 1348 sbuf_printf(sb, "%8ju %7ju %4ju %4ju %4lu %5ju %7lu %10lu\n", 1349 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OBYTES), 1350 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OPACKETS), 1351 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OERRORS), 1352 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OQDROPS), 1353 0UL, /* tx_fifo_errors */ 1354 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_COLLISIONS), 1355 0UL, /* tx_carrier_errors + 1356 * tx_aborted_errors + 1357 * tx_window_errors + 1358 * tx_heartbeat_errors*/ 1359 0UL); /* tx_compressed */ 1360 } 1361 IFNET_RUNLOCK(); 1362 CURVNET_RESTORE(); 1363 1364 return (0); 1365 } 1366 1367 /* 1368 * Filler function for proc/sys/kernel/osrelease 1369 */ 1370 static int 1371 linprocfs_doosrelease(PFS_FILL_ARGS) 1372 { 1373 char osrelease[LINUX_MAX_UTSNAME]; 1374 1375 linux_get_osrelease(td, osrelease); 1376 sbuf_printf(sb, "%s\n", osrelease); 1377 1378 return (0); 1379 } 1380 1381 /* 1382 * Filler function for proc/sys/kernel/ostype 1383 */ 1384 static int 1385 linprocfs_doostype(PFS_FILL_ARGS) 1386 { 1387 char osname[LINUX_MAX_UTSNAME]; 1388 1389 linux_get_osname(td, osname); 1390 sbuf_printf(sb, "%s\n", osname); 1391 1392 return (0); 1393 } 1394 1395 /* 1396 * Filler function for proc/sys/kernel/version 1397 */ 1398 static int 1399 linprocfs_doosbuild(PFS_FILL_ARGS) 1400 { 1401 1402 linprocfs_osbuild(td, sb); 1403 sbuf_cat(sb, "\n"); 1404 return (0); 1405 } 1406 1407 /* 1408 * Filler function for proc/sys/kernel/msgmni 1409 */ 1410 static int 1411 linprocfs_domsgmni(PFS_FILL_ARGS) 1412 { 1413 1414 sbuf_printf(sb, "%d\n", msginfo.msgmni); 1415 return (0); 1416 } 1417 1418 /* 1419 * Filler function for proc/sys/kernel/pid_max 1420 */ 1421 static int 1422 linprocfs_dopid_max(PFS_FILL_ARGS) 1423 { 1424 1425 sbuf_printf(sb, "%i\n", PID_MAX); 1426 return (0); 1427 } 1428 1429 /* 1430 * Filler function for proc/sys/kernel/sem 1431 */ 1432 static int 1433 linprocfs_dosem(PFS_FILL_ARGS) 1434 { 1435 1436 sbuf_printf(sb, "%d %d %d %d\n", seminfo.semmsl, seminfo.semmns, 1437 seminfo.semopm, seminfo.semmni); 1438 return (0); 1439 } 1440 1441 /* 1442 * Filler function for proc/sys/kernel/tainted 1443 */ 1444 static int 1445 linprocfs_dotainted(PFS_FILL_ARGS) 1446 { 1447 1448 sbuf_printf(sb, "0\n"); 1449 return (0); 1450 } 1451 1452 /* 1453 * Filler function for proc/sys/vm/min_free_kbytes 1454 * 1455 * This mirrors the approach in illumos to return zero for reads. Effectively, 1456 * it says, no memory is kept in reserve for "atomic allocations". This class 1457 * of allocation can be used at times when a thread cannot be suspended. 1458 */ 1459 static int 1460 linprocfs_dominfree(PFS_FILL_ARGS) 1461 { 1462 1463 sbuf_printf(sb, "%d\n", 0); 1464 return (0); 1465 } 1466 1467 /* 1468 * Filler function for proc/scsi/device_info 1469 */ 1470 static int 1471 linprocfs_doscsidevinfo(PFS_FILL_ARGS) 1472 { 1473 1474 return (0); 1475 } 1476 1477 /* 1478 * Filler function for proc/scsi/scsi 1479 */ 1480 static int 1481 linprocfs_doscsiscsi(PFS_FILL_ARGS) 1482 { 1483 1484 return (0); 1485 } 1486 1487 /* 1488 * Filler function for proc/devices 1489 */ 1490 static int 1491 linprocfs_dodevices(PFS_FILL_ARGS) 1492 { 1493 char *char_devices; 1494 sbuf_printf(sb, "Character devices:\n"); 1495 1496 char_devices = linux_get_char_devices(); 1497 sbuf_printf(sb, "%s", char_devices); 1498 linux_free_get_char_devices(char_devices); 1499 1500 sbuf_printf(sb, "\nBlock devices:\n"); 1501 1502 return (0); 1503 } 1504 1505 /* 1506 * Filler function for proc/cmdline 1507 */ 1508 static int 1509 linprocfs_docmdline(PFS_FILL_ARGS) 1510 { 1511 1512 sbuf_printf(sb, "BOOT_IMAGE=%s", kernelname); 1513 sbuf_printf(sb, " ro root=302\n"); 1514 return (0); 1515 } 1516 1517 /* 1518 * Filler function for proc/filesystems 1519 */ 1520 static int 1521 linprocfs_dofilesystems(PFS_FILL_ARGS) 1522 { 1523 struct vfsconf *vfsp; 1524 1525 vfsconf_slock(); 1526 TAILQ_FOREACH(vfsp, &vfsconf, vfc_list) { 1527 if (vfsp->vfc_flags & VFCF_SYNTHETIC) 1528 sbuf_printf(sb, "nodev"); 1529 sbuf_printf(sb, "\t%s\n", vfsp->vfc_name); 1530 } 1531 vfsconf_sunlock(); 1532 return(0); 1533 } 1534 1535 /* 1536 * Filler function for proc/modules 1537 */ 1538 static int 1539 linprocfs_domodules(PFS_FILL_ARGS) 1540 { 1541 #if 0 1542 struct linker_file *lf; 1543 1544 TAILQ_FOREACH(lf, &linker_files, link) { 1545 sbuf_printf(sb, "%-20s%8lu%4d\n", lf->filename, 1546 (unsigned long)lf->size, lf->refs); 1547 } 1548 #endif 1549 return (0); 1550 } 1551 1552 /* 1553 * Filler function for proc/pid/fd 1554 */ 1555 static int 1556 linprocfs_dofdescfs(PFS_FILL_ARGS) 1557 { 1558 1559 if (p == curproc) 1560 sbuf_printf(sb, "/dev/fd"); 1561 else 1562 sbuf_printf(sb, "unknown"); 1563 return (0); 1564 } 1565 1566 /* 1567 * Filler function for proc/pid/limits 1568 */ 1569 static const struct linux_rlimit_ident { 1570 const char *desc; 1571 const char *unit; 1572 unsigned int rlim_id; 1573 } linux_rlimits_ident[] = { 1574 { "Max cpu time", "seconds", RLIMIT_CPU }, 1575 { "Max file size", "bytes", RLIMIT_FSIZE }, 1576 { "Max data size", "bytes", RLIMIT_DATA }, 1577 { "Max stack size", "bytes", RLIMIT_STACK }, 1578 { "Max core file size", "bytes", RLIMIT_CORE }, 1579 { "Max resident set", "bytes", RLIMIT_RSS }, 1580 { "Max processes", "processes", RLIMIT_NPROC }, 1581 { "Max open files", "files", RLIMIT_NOFILE }, 1582 { "Max locked memory", "bytes", RLIMIT_MEMLOCK }, 1583 { "Max address space", "bytes", RLIMIT_AS }, 1584 { "Max file locks", "locks", LINUX_RLIMIT_LOCKS }, 1585 { "Max pending signals", "signals", LINUX_RLIMIT_SIGPENDING }, 1586 { "Max msgqueue size", "bytes", LINUX_RLIMIT_MSGQUEUE }, 1587 { "Max nice priority", "", LINUX_RLIMIT_NICE }, 1588 { "Max realtime priority", "", LINUX_RLIMIT_RTPRIO }, 1589 { "Max realtime timeout", "us", LINUX_RLIMIT_RTTIME }, 1590 { 0, 0, 0 } 1591 }; 1592 1593 static int 1594 linprocfs_doproclimits(PFS_FILL_ARGS) 1595 { 1596 const struct linux_rlimit_ident *li; 1597 struct plimit *limp; 1598 struct rlimit rl; 1599 ssize_t size; 1600 int res, error; 1601 1602 error = 0; 1603 1604 PROC_LOCK(p); 1605 limp = lim_hold(p->p_limit); 1606 PROC_UNLOCK(p); 1607 size = sizeof(res); 1608 sbuf_printf(sb, "%-26s%-21s%-21s%-21s\n", "Limit", "Soft Limit", 1609 "Hard Limit", "Units"); 1610 for (li = linux_rlimits_ident; li->desc != NULL; ++li) { 1611 switch (li->rlim_id) 1612 { 1613 case LINUX_RLIMIT_LOCKS: 1614 /* FALLTHROUGH */ 1615 case LINUX_RLIMIT_RTTIME: 1616 rl.rlim_cur = RLIM_INFINITY; 1617 break; 1618 case LINUX_RLIMIT_SIGPENDING: 1619 error = kernel_sysctlbyname(td, 1620 "kern.sigqueue.max_pending_per_proc", 1621 &res, &size, 0, 0, 0, 0); 1622 if (error != 0) 1623 goto out; 1624 rl.rlim_cur = res; 1625 rl.rlim_max = res; 1626 break; 1627 case LINUX_RLIMIT_MSGQUEUE: 1628 error = kernel_sysctlbyname(td, 1629 "kern.ipc.msgmnb", &res, &size, 0, 0, 0, 0); 1630 if (error != 0) 1631 goto out; 1632 rl.rlim_cur = res; 1633 rl.rlim_max = res; 1634 break; 1635 case LINUX_RLIMIT_NICE: 1636 /* FALLTHROUGH */ 1637 case LINUX_RLIMIT_RTPRIO: 1638 rl.rlim_cur = 0; 1639 rl.rlim_max = 0; 1640 break; 1641 default: 1642 rl = limp->pl_rlimit[li->rlim_id]; 1643 break; 1644 } 1645 if (rl.rlim_cur == RLIM_INFINITY) 1646 sbuf_printf(sb, "%-26s%-21s%-21s%-10s\n", 1647 li->desc, "unlimited", "unlimited", li->unit); 1648 else 1649 sbuf_printf(sb, "%-26s%-21llu%-21llu%-10s\n", 1650 li->desc, (unsigned long long)rl.rlim_cur, 1651 (unsigned long long)rl.rlim_max, li->unit); 1652 } 1653 out: 1654 lim_free(limp); 1655 return (error); 1656 } 1657 1658 /* 1659 * The point of the following two functions is to work around 1660 * an assertion in Chromium; see kern/240991 for details. 1661 */ 1662 static int 1663 linprocfs_dotaskattr(PFS_ATTR_ARGS) 1664 { 1665 1666 vap->va_nlink = 3; 1667 return (0); 1668 } 1669 1670 /* 1671 * Filler function for proc/<pid>/task/.dummy 1672 */ 1673 static int 1674 linprocfs_dotaskdummy(PFS_FILL_ARGS) 1675 { 1676 1677 return (0); 1678 } 1679 1680 /* 1681 * Filler function for proc/sys/kernel/random/uuid 1682 */ 1683 static int 1684 linprocfs_douuid(PFS_FILL_ARGS) 1685 { 1686 struct uuid uuid; 1687 1688 kern_uuidgen(&uuid, 1); 1689 sbuf_printf_uuid(sb, &uuid); 1690 sbuf_printf(sb, "\n"); 1691 return(0); 1692 } 1693 1694 /* 1695 * Filler function for proc/pid/auxv 1696 */ 1697 static int 1698 linprocfs_doauxv(PFS_FILL_ARGS) 1699 { 1700 struct sbuf *asb; 1701 off_t buflen, resid; 1702 int error; 1703 1704 /* 1705 * Mimic linux behavior and pass only processes with usermode 1706 * address space as valid. Return zero silently otherwise. 1707 */ 1708 if (p->p_vmspace == &vmspace0) 1709 return (0); 1710 1711 if (uio->uio_resid == 0) 1712 return (0); 1713 if (uio->uio_offset < 0 || uio->uio_resid < 0) 1714 return (EINVAL); 1715 1716 asb = sbuf_new_auto(); 1717 if (asb == NULL) 1718 return (ENOMEM); 1719 error = proc_getauxv(td, p, asb); 1720 if (error == 0) 1721 error = sbuf_finish(asb); 1722 1723 resid = sbuf_len(asb) - uio->uio_offset; 1724 if (resid > uio->uio_resid) 1725 buflen = uio->uio_resid; 1726 else 1727 buflen = resid; 1728 if (buflen > IOSIZE_MAX) 1729 return (EINVAL); 1730 if (buflen > MAXPHYS) 1731 buflen = MAXPHYS; 1732 if (resid <= 0) 1733 return (0); 1734 1735 if (error == 0) 1736 error = uiomove(sbuf_data(asb) + uio->uio_offset, buflen, uio); 1737 sbuf_delete(asb); 1738 return (error); 1739 } 1740 1741 /* 1742 * Constructor 1743 */ 1744 static int 1745 linprocfs_init(PFS_INIT_ARGS) 1746 { 1747 struct pfs_node *root; 1748 struct pfs_node *dir; 1749 struct pfs_node *sys; 1750 1751 root = pi->pi_root; 1752 1753 /* /proc/... */ 1754 pfs_create_file(root, "cmdline", &linprocfs_docmdline, 1755 NULL, NULL, NULL, PFS_RD); 1756 pfs_create_file(root, "cpuinfo", &linprocfs_docpuinfo, 1757 NULL, NULL, NULL, PFS_RD); 1758 pfs_create_file(root, "devices", &linprocfs_dodevices, 1759 NULL, NULL, NULL, PFS_RD); 1760 pfs_create_file(root, "filesystems", &linprocfs_dofilesystems, 1761 NULL, NULL, NULL, PFS_RD); 1762 pfs_create_file(root, "loadavg", &linprocfs_doloadavg, 1763 NULL, NULL, NULL, PFS_RD); 1764 pfs_create_file(root, "meminfo", &linprocfs_domeminfo, 1765 NULL, NULL, NULL, PFS_RD); 1766 pfs_create_file(root, "modules", &linprocfs_domodules, 1767 NULL, NULL, NULL, PFS_RD); 1768 pfs_create_file(root, "mounts", &linprocfs_domtab, 1769 NULL, NULL, NULL, PFS_RD); 1770 pfs_create_file(root, "mtab", &linprocfs_domtab, 1771 NULL, NULL, NULL, PFS_RD); 1772 pfs_create_file(root, "partitions", &linprocfs_dopartitions, 1773 NULL, NULL, NULL, PFS_RD); 1774 pfs_create_link(root, "self", &procfs_docurproc, 1775 NULL, NULL, NULL, 0); 1776 pfs_create_file(root, "stat", &linprocfs_dostat, 1777 NULL, NULL, NULL, PFS_RD); 1778 pfs_create_file(root, "swaps", &linprocfs_doswaps, 1779 NULL, NULL, NULL, PFS_RD); 1780 pfs_create_file(root, "uptime", &linprocfs_douptime, 1781 NULL, NULL, NULL, PFS_RD); 1782 pfs_create_file(root, "version", &linprocfs_doversion, 1783 NULL, NULL, NULL, PFS_RD); 1784 1785 /* /proc/bus/... */ 1786 dir = pfs_create_dir(root, "bus", NULL, NULL, NULL, 0); 1787 dir = pfs_create_dir(dir, "pci", NULL, NULL, NULL, 0); 1788 dir = pfs_create_dir(dir, "devices", NULL, NULL, NULL, 0); 1789 1790 /* /proc/net/... */ 1791 dir = pfs_create_dir(root, "net", NULL, NULL, NULL, 0); 1792 pfs_create_file(dir, "dev", &linprocfs_donetdev, 1793 NULL, NULL, NULL, PFS_RD); 1794 1795 /* /proc/<pid>/... */ 1796 dir = pfs_create_dir(root, "pid", NULL, NULL, NULL, PFS_PROCDEP); 1797 pfs_create_file(dir, "cmdline", &linprocfs_doproccmdline, 1798 NULL, NULL, NULL, PFS_RD); 1799 pfs_create_link(dir, "cwd", &linprocfs_doproccwd, 1800 NULL, NULL, NULL, 0); 1801 pfs_create_file(dir, "environ", &linprocfs_doprocenviron, 1802 NULL, &procfs_candebug, NULL, PFS_RD); 1803 pfs_create_link(dir, "exe", &procfs_doprocfile, 1804 NULL, &procfs_notsystem, NULL, 0); 1805 pfs_create_file(dir, "maps", &linprocfs_doprocmaps, 1806 NULL, NULL, NULL, PFS_RD); 1807 pfs_create_file(dir, "mem", &procfs_doprocmem, 1808 procfs_attr_rw, &procfs_candebug, NULL, PFS_RDWR | PFS_RAW); 1809 pfs_create_file(dir, "mounts", &linprocfs_domtab, 1810 NULL, NULL, NULL, PFS_RD); 1811 pfs_create_link(dir, "root", &linprocfs_doprocroot, 1812 NULL, NULL, NULL, 0); 1813 pfs_create_file(dir, "stat", &linprocfs_doprocstat, 1814 NULL, NULL, NULL, PFS_RD); 1815 pfs_create_file(dir, "statm", &linprocfs_doprocstatm, 1816 NULL, NULL, NULL, PFS_RD); 1817 pfs_create_file(dir, "status", &linprocfs_doprocstatus, 1818 NULL, NULL, NULL, PFS_RD); 1819 pfs_create_link(dir, "fd", &linprocfs_dofdescfs, 1820 NULL, NULL, NULL, 0); 1821 pfs_create_file(dir, "auxv", &linprocfs_doauxv, 1822 NULL, &procfs_candebug, NULL, PFS_RD|PFS_RAWRD); 1823 pfs_create_file(dir, "limits", &linprocfs_doproclimits, 1824 NULL, NULL, NULL, PFS_RD); 1825 1826 /* /proc/<pid>/task/... */ 1827 dir = pfs_create_dir(dir, "task", linprocfs_dotaskattr, NULL, NULL, 0); 1828 pfs_create_file(dir, ".dummy", &linprocfs_dotaskdummy, 1829 NULL, NULL, NULL, PFS_RD); 1830 1831 /* /proc/scsi/... */ 1832 dir = pfs_create_dir(root, "scsi", NULL, NULL, NULL, 0); 1833 pfs_create_file(dir, "device_info", &linprocfs_doscsidevinfo, 1834 NULL, NULL, NULL, PFS_RD); 1835 pfs_create_file(dir, "scsi", &linprocfs_doscsiscsi, 1836 NULL, NULL, NULL, PFS_RD); 1837 1838 /* /proc/sys/... */ 1839 sys = pfs_create_dir(root, "sys", NULL, NULL, NULL, 0); 1840 /* /proc/sys/kernel/... */ 1841 dir = pfs_create_dir(sys, "kernel", NULL, NULL, NULL, 0); 1842 pfs_create_file(dir, "osrelease", &linprocfs_doosrelease, 1843 NULL, NULL, NULL, PFS_RD); 1844 pfs_create_file(dir, "ostype", &linprocfs_doostype, 1845 NULL, NULL, NULL, PFS_RD); 1846 pfs_create_file(dir, "version", &linprocfs_doosbuild, 1847 NULL, NULL, NULL, PFS_RD); 1848 pfs_create_file(dir, "msgmni", &linprocfs_domsgmni, 1849 NULL, NULL, NULL, PFS_RD); 1850 pfs_create_file(dir, "pid_max", &linprocfs_dopid_max, 1851 NULL, NULL, NULL, PFS_RD); 1852 pfs_create_file(dir, "sem", &linprocfs_dosem, 1853 NULL, NULL, NULL, PFS_RD); 1854 pfs_create_file(dir, "tainted", &linprocfs_dotainted, 1855 NULL, NULL, NULL, PFS_RD); 1856 1857 /* /proc/sys/kernel/random/... */ 1858 dir = pfs_create_dir(dir, "random", NULL, NULL, NULL, 0); 1859 pfs_create_file(dir, "uuid", &linprocfs_douuid, 1860 NULL, NULL, NULL, PFS_RD); 1861 1862 /* /proc/sys/vm/.... */ 1863 dir = pfs_create_dir(sys, "vm", NULL, NULL, NULL, 0); 1864 pfs_create_file(dir, "min_free_kbytes", &linprocfs_dominfree, 1865 NULL, NULL, NULL, PFS_RD); 1866 1867 return (0); 1868 } 1869 1870 /* 1871 * Destructor 1872 */ 1873 static int 1874 linprocfs_uninit(PFS_INIT_ARGS) 1875 { 1876 1877 /* nothing to do, pseudofs will GC */ 1878 return (0); 1879 } 1880 1881 PSEUDOFS(linprocfs, 1, VFCF_JAIL); 1882 #if defined(__aarch64__) || defined(__amd64__) 1883 MODULE_DEPEND(linprocfs, linux_common, 1, 1, 1); 1884 #else 1885 MODULE_DEPEND(linprocfs, linux, 1, 1, 1); 1886 #endif 1887 MODULE_DEPEND(linprocfs, procfs, 1, 1, 1); 1888 MODULE_DEPEND(linprocfs, sysvmsg, 1, 1, 1); 1889 MODULE_DEPEND(linprocfs, sysvsem, 1, 1, 1); 1890