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/shm.h> 70 #include <sys/smp.h> 71 #include <sys/socket.h> 72 #include <sys/syscallsubr.h> 73 #include <sys/sysctl.h> 74 #include <sys/sysent.h> 75 #include <sys/systm.h> 76 #include <sys/time.h> 77 #include <sys/tty.h> 78 #include <sys/user.h> 79 #include <sys/uuid.h> 80 #include <sys/vmmeter.h> 81 #include <sys/vnode.h> 82 #include <sys/bus.h> 83 84 #include <net/if.h> 85 #include <net/if_var.h> 86 #include <net/if_types.h> 87 88 #include <vm/vm.h> 89 #include <vm/vm_extern.h> 90 #include <vm/pmap.h> 91 #include <vm/vm_map.h> 92 #include <vm/vm_param.h> 93 #include <vm/vm_object.h> 94 #include <vm/swap_pager.h> 95 96 #include <machine/clock.h> 97 98 #include <geom/geom.h> 99 #include <geom/geom_int.h> 100 101 #if defined(__i386__) || defined(__amd64__) 102 #include <machine/cputypes.h> 103 #include <machine/md_var.h> 104 #endif /* __i386__ || __amd64__ */ 105 106 #include <compat/linux/linux.h> 107 #include <compat/linux/linux_mib.h> 108 #include <compat/linux/linux_misc.h> 109 #include <compat/linux/linux_util.h> 110 #include <fs/pseudofs/pseudofs.h> 111 #include <fs/procfs/procfs.h> 112 113 /* 114 * Various conversion macros 115 */ 116 #define T2J(x) ((long)(((x) * 100ULL) / (stathz ? stathz : hz))) /* ticks to jiffies */ 117 #define T2CS(x) ((unsigned long)(((x) * 100ULL) / (stathz ? stathz : hz))) /* ticks to centiseconds */ 118 #define T2S(x) ((x) / (stathz ? stathz : hz)) /* ticks to seconds */ 119 #define B2K(x) ((x) >> 10) /* bytes to kbytes */ 120 #define B2P(x) ((x) >> PAGE_SHIFT) /* bytes to pages */ 121 #define P2B(x) ((x) << PAGE_SHIFT) /* pages to bytes */ 122 #define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* pages to kbytes */ 123 #define TV2J(x) ((x)->tv_sec * 100UL + (x)->tv_usec / 10000) 124 125 /** 126 * @brief Mapping of ki_stat in struct kinfo_proc to the linux state 127 * 128 * The linux procfs state field displays one of the characters RSDZTW to 129 * denote running, sleeping in an interruptible wait, waiting in an 130 * uninterruptible disk sleep, a zombie process, process is being traced 131 * or stopped, or process is paging respectively. 132 * 133 * Our struct kinfo_proc contains the variable ki_stat which contains a 134 * value out of SIDL, SRUN, SSLEEP, SSTOP, SZOMB, SWAIT and SLOCK. 135 * 136 * This character array is used with ki_stati-1 as an index and tries to 137 * map our states to suitable linux states. 138 */ 139 static char linux_state[] = "RRSTZDD"; 140 141 /* 142 * Filler function for proc/meminfo 143 */ 144 static int 145 linprocfs_domeminfo(PFS_FILL_ARGS) 146 { 147 unsigned long memtotal; /* total memory in bytes */ 148 unsigned long memused; /* used memory in bytes */ 149 unsigned long memfree; /* free memory in bytes */ 150 unsigned long buffers, cached; /* buffer / cache memory ??? */ 151 unsigned long long swaptotal; /* total swap space in bytes */ 152 unsigned long long swapused; /* used swap space in bytes */ 153 unsigned long long swapfree; /* free swap space in bytes */ 154 int i, j; 155 156 memtotal = physmem * PAGE_SIZE; 157 /* 158 * The correct thing here would be: 159 * 160 memfree = vm_free_count() * PAGE_SIZE; 161 memused = memtotal - memfree; 162 * 163 * but it might mislead linux binaries into thinking there 164 * is very little memory left, so we cheat and tell them that 165 * all memory that isn't wired down is free. 166 */ 167 memused = vm_wire_count() * PAGE_SIZE; 168 memfree = memtotal - memused; 169 swap_pager_status(&i, &j); 170 swaptotal = (unsigned long long)i * PAGE_SIZE; 171 swapused = (unsigned long long)j * PAGE_SIZE; 172 swapfree = swaptotal - swapused; 173 /* 174 * We'd love to be able to write: 175 * 176 buffers = bufspace; 177 * 178 * but bufspace is internal to vfs_bio.c and we don't feel 179 * like unstaticizing it just for linprocfs's sake. 180 */ 181 buffers = 0; 182 cached = vm_inactive_count() * PAGE_SIZE; 183 184 sbuf_printf(sb, 185 "MemTotal: %9lu kB\n" 186 "MemFree: %9lu kB\n" 187 "Buffers: %9lu kB\n" 188 "Cached: %9lu kB\n" 189 "SwapTotal:%9llu kB\n" 190 "SwapFree: %9llu kB\n", 191 B2K(memtotal), B2K(memfree), B2K(buffers), 192 B2K(cached), B2K(swaptotal), B2K(swapfree)); 193 194 return (0); 195 } 196 197 #if defined(__i386__) || defined(__amd64__) 198 /* 199 * Filler function for proc/cpuinfo (i386 & amd64 version) 200 */ 201 static int 202 linprocfs_docpuinfo(PFS_FILL_ARGS) 203 { 204 int hw_model[2]; 205 char model[128]; 206 uint64_t freq; 207 size_t size; 208 u_int cache_size[4]; 209 int fqmhz, fqkhz; 210 int i, j; 211 212 /* 213 * We default the flags to include all non-conflicting flags, 214 * and the Intel versions of conflicting flags. 215 */ 216 static char *cpu_feature_names[] = { 217 /* 0 */ "fpu", "vme", "de", "pse", 218 /* 4 */ "tsc", "msr", "pae", "mce", 219 /* 8 */ "cx8", "apic", "", "sep", 220 /* 12 */ "mtrr", "pge", "mca", "cmov", 221 /* 16 */ "pat", "pse36", "pn", "clflush", 222 /* 20 */ "", "dts", "acpi", "mmx", 223 /* 24 */ "fxsr", "sse", "sse2", "ss", 224 /* 28 */ "ht", "tm", "ia64", "pbe" 225 }; 226 227 static char *amd_feature_names[] = { 228 /* 0 */ "", "", "", "", 229 /* 4 */ "", "", "", "", 230 /* 8 */ "", "", "", "syscall", 231 /* 12 */ "", "", "", "", 232 /* 16 */ "", "", "", "mp", 233 /* 20 */ "nx", "", "mmxext", "", 234 /* 24 */ "", "fxsr_opt", "pdpe1gb", "rdtscp", 235 /* 28 */ "", "lm", "3dnowext", "3dnow" 236 }; 237 238 static char *cpu_feature2_names[] = { 239 /* 0 */ "pni", "pclmulqdq", "dtes64", "monitor", 240 /* 4 */ "ds_cpl", "vmx", "smx", "est", 241 /* 8 */ "tm2", "ssse3", "cid", "sdbg", 242 /* 12 */ "fma", "cx16", "xtpr", "pdcm", 243 /* 16 */ "", "pcid", "dca", "sse4_1", 244 /* 20 */ "sse4_2", "x2apic", "movbe", "popcnt", 245 /* 24 */ "tsc_deadline_timer", "aes", "xsave", "", 246 /* 28 */ "avx", "f16c", "rdrand", "hypervisor" 247 }; 248 249 static char *amd_feature2_names[] = { 250 /* 0 */ "lahf_lm", "cmp_legacy", "svm", "extapic", 251 /* 4 */ "cr8_legacy", "abm", "sse4a", "misalignsse", 252 /* 8 */ "3dnowprefetch", "osvw", "ibs", "xop", 253 /* 12 */ "skinit", "wdt", "", "lwp", 254 /* 16 */ "fma4", "tce", "", "nodeid_msr", 255 /* 20 */ "", "tbm", "topoext", "perfctr_core", 256 /* 24 */ "perfctr_nb", "", "bpext", "ptsc", 257 /* 28 */ "perfctr_llc", "mwaitx", "", "" 258 }; 259 260 static char *cpu_stdext_feature_names[] = { 261 /* 0 */ "fsgsbase", "tsc_adjust", "", "bmi1", 262 /* 4 */ "hle", "avx2", "", "smep", 263 /* 8 */ "bmi2", "erms", "invpcid", "rtm", 264 /* 12 */ "cqm", "", "mpx", "rdt_a", 265 /* 16 */ "avx512f", "avx512dq", "rdseed", "adx", 266 /* 20 */ "smap", "avx512ifma", "", "clflushopt", 267 /* 24 */ "clwb", "intel_pt", "avx512pf", "avx512er", 268 /* 28 */ "avx512cd", "sha_ni", "avx512bw", "avx512vl" 269 }; 270 271 static char *power_flags[] = { 272 "ts", "fid", "vid", 273 "ttp", "tm", "stc", 274 "100mhzsteps", "hwpstate", "", 275 "cpb", "eff_freq_ro", "proc_feedback", 276 "acc_power", 277 }; 278 279 hw_model[0] = CTL_HW; 280 hw_model[1] = HW_MODEL; 281 model[0] = '\0'; 282 size = sizeof(model); 283 if (kernel_sysctl(td, hw_model, 2, &model, &size, 0, 0, 0, 0) != 0) 284 strcpy(model, "unknown"); 285 #ifdef __i386__ 286 switch (cpu_vendor_id) { 287 case CPU_VENDOR_AMD: 288 if (cpu_class < CPUCLASS_686) 289 cpu_feature_names[16] = "fcmov"; 290 break; 291 case CPU_VENDOR_CYRIX: 292 cpu_feature_names[24] = "cxmmx"; 293 break; 294 } 295 #endif 296 if (cpu_exthigh >= 0x80000006) 297 do_cpuid(0x80000006, cache_size); 298 else 299 memset(cache_size, 0, sizeof(cache_size)); 300 for (i = 0; i < mp_ncpus; ++i) { 301 fqmhz = 0; 302 fqkhz = 0; 303 freq = atomic_load_acq_64(&tsc_freq); 304 if (freq != 0) { 305 fqmhz = (freq + 4999) / 1000000; 306 fqkhz = ((freq + 4999) / 10000) % 100; 307 } 308 sbuf_printf(sb, 309 "processor\t: %d\n" 310 "vendor_id\t: %.20s\n" 311 "cpu family\t: %u\n" 312 "model\t\t: %u\n" 313 "model name\t: %s\n" 314 "stepping\t: %u\n" 315 "cpu MHz\t\t: %d.%02d\n" 316 "cache size\t: %d KB\n" 317 "physical id\t: %d\n" 318 "siblings\t: %d\n" 319 "core id\t\t: %d\n" 320 "cpu cores\t: %d\n" 321 "apicid\t\t: %d\n" 322 "initial apicid\t: %d\n" 323 "fpu\t\t: %s\n" 324 "fpu_exception\t: %s\n" 325 "cpuid level\t: %d\n" 326 "wp\t\t: %s\n", 327 i, cpu_vendor, CPUID_TO_FAMILY(cpu_id), 328 CPUID_TO_MODEL(cpu_id), model, cpu_id & CPUID_STEPPING, 329 fqmhz, fqkhz, 330 (cache_size[2] >> 16), 0, mp_ncpus, i, mp_ncpus, 331 i, i, /*cpu_id & CPUID_LOCAL_APIC_ID ??*/ 332 (cpu_feature & CPUID_FPU) ? "yes" : "no", "yes", 333 CPUID_TO_FAMILY(cpu_id), "yes"); 334 sbuf_cat(sb, "flags\t\t:"); 335 for (j = 0; j < nitems(cpu_feature_names); j++) 336 if (cpu_feature & (1 << j) && 337 cpu_feature_names[j][0] != '\0') 338 sbuf_printf(sb, " %s", cpu_feature_names[j]); 339 for (j = 0; j < nitems(amd_feature_names); j++) 340 if (amd_feature & (1 << j) && 341 amd_feature_names[j][0] != '\0') 342 sbuf_printf(sb, " %s", amd_feature_names[j]); 343 for (j = 0; j < nitems(cpu_feature2_names); j++) 344 if (cpu_feature2 & (1 << j) && 345 cpu_feature2_names[j][0] != '\0') 346 sbuf_printf(sb, " %s", cpu_feature2_names[j]); 347 for (j = 0; j < nitems(amd_feature2_names); j++) 348 if (amd_feature2 & (1 << j) && 349 amd_feature2_names[j][0] != '\0') 350 sbuf_printf(sb, " %s", amd_feature2_names[j]); 351 for (j = 0; j < nitems(cpu_stdext_feature_names); j++) 352 if (cpu_stdext_feature & (1 << j) && 353 cpu_stdext_feature_names[j][0] != '\0') 354 sbuf_printf(sb, " %s", 355 cpu_stdext_feature_names[j]); 356 sbuf_cat(sb, "\n"); 357 sbuf_printf(sb, 358 "bugs\t\t: %s\n" 359 "bogomips\t: %d.%02d\n" 360 "clflush size\t: %d\n" 361 "cache_alignment\t: %d\n" 362 "address sizes\t: %d bits physical, %d bits virtual\n", 363 #if defined(I586_CPU) && !defined(NO_F00F_HACK) 364 (has_f00f_bug) ? "Intel F00F" : "", 365 #else 366 "", 367 #endif 368 fqmhz * 2, fqkhz, 369 cpu_clflush_line_size, cpu_clflush_line_size, 370 cpu_maxphyaddr, 371 (cpu_maxphyaddr > 32) ? 48 : 0); 372 sbuf_cat(sb, "power management: "); 373 for (j = 0; j < nitems(power_flags); j++) 374 if (amd_pminfo & (1 << j)) 375 sbuf_printf(sb, " %s", power_flags[j]); 376 sbuf_cat(sb, "\n\n"); 377 378 /* XXX per-cpu vendor / class / model / id? */ 379 } 380 sbuf_cat(sb, "\n"); 381 382 return (0); 383 } 384 #else 385 /* ARM64TODO: implement non-stubbed linprocfs_docpuinfo */ 386 static int 387 linprocfs_docpuinfo(PFS_FILL_ARGS) 388 { 389 int i; 390 391 for (i = 0; i < mp_ncpus; ++i) { 392 sbuf_printf(sb, 393 "processor\t: %d\n" 394 "BogoMIPS\t: %d.%02d\n", 395 i, 0, 0); 396 sbuf_cat(sb, "Features\t: "); 397 sbuf_cat(sb, "\n"); 398 sbuf_printf(sb, 399 "CPU implementer\t: \n" 400 "CPU architecture: \n" 401 "CPU variant\t: 0x%x\n" 402 "CPU part\t: 0x%x\n" 403 "CPU revision\t: %d\n", 404 0, 0, 0); 405 sbuf_cat(sb, "\n"); 406 } 407 408 return (0); 409 } 410 #endif /* __i386__ || __amd64__ */ 411 412 /* 413 * Filler function for proc/mtab 414 * 415 * This file doesn't exist in Linux' procfs, but is included here so 416 * users can symlink /compat/linux/etc/mtab to /proc/mtab 417 */ 418 static int 419 linprocfs_domtab(PFS_FILL_ARGS) 420 { 421 struct nameidata nd; 422 const char *lep; 423 char *dlep, *flep, *mntto, *mntfrom, *fstype; 424 size_t lep_len; 425 int error; 426 struct statfs *buf, *sp; 427 size_t count; 428 429 /* resolve symlinks etc. in the emulation tree prefix */ 430 NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, linux_emul_path, td); 431 flep = NULL; 432 error = namei(&nd); 433 lep = linux_emul_path; 434 if (error == 0) { 435 if (vn_fullpath(td, nd.ni_vp, &dlep, &flep) == 0) 436 lep = dlep; 437 vrele(nd.ni_vp); 438 } 439 lep_len = strlen(lep); 440 441 buf = NULL; 442 error = kern_getfsstat(td, &buf, SIZE_T_MAX, &count, 443 UIO_SYSSPACE, MNT_WAIT); 444 if (error != 0) { 445 free(buf, M_TEMP); 446 free(flep, M_TEMP); 447 return (error); 448 } 449 450 for (sp = buf; count > 0; sp++, count--) { 451 /* determine device name */ 452 mntfrom = sp->f_mntfromname; 453 454 /* determine mount point */ 455 mntto = sp->f_mntonname; 456 if (strncmp(mntto, lep, lep_len) == 0 && mntto[lep_len] == '/') 457 mntto += lep_len; 458 459 /* determine fs type */ 460 fstype = sp->f_fstypename; 461 if (strcmp(fstype, pn->pn_info->pi_name) == 0) 462 mntfrom = fstype = "proc"; 463 else if (strcmp(fstype, "procfs") == 0) 464 continue; 465 466 if (strcmp(fstype, "autofs") == 0) { 467 /* 468 * FreeBSD uses eg "map -hosts", whereas Linux 469 * expects just "-hosts". 470 */ 471 if (strncmp(mntfrom, "map ", 4) == 0) 472 mntfrom += 4; 473 } 474 475 if (strcmp(fstype, "linsysfs") == 0) { 476 sbuf_printf(sb, "/sys %s sysfs %s", mntto, 477 sp->f_flags & MNT_RDONLY ? "ro" : "rw"); 478 } else { 479 /* For Linux msdosfs is called vfat */ 480 if (strcmp(fstype, "msdosfs") == 0) 481 fstype = "vfat"; 482 sbuf_printf(sb, "%s %s %s %s", mntfrom, mntto, fstype, 483 sp->f_flags & MNT_RDONLY ? "ro" : "rw"); 484 } 485 #define ADD_OPTION(opt, name) \ 486 if (sp->f_flags & (opt)) sbuf_printf(sb, "," name); 487 ADD_OPTION(MNT_SYNCHRONOUS, "sync"); 488 ADD_OPTION(MNT_NOEXEC, "noexec"); 489 ADD_OPTION(MNT_NOSUID, "nosuid"); 490 ADD_OPTION(MNT_UNION, "union"); 491 ADD_OPTION(MNT_ASYNC, "async"); 492 ADD_OPTION(MNT_SUIDDIR, "suiddir"); 493 ADD_OPTION(MNT_NOSYMFOLLOW, "nosymfollow"); 494 ADD_OPTION(MNT_NOATIME, "noatime"); 495 #undef ADD_OPTION 496 /* a real Linux mtab will also show NFS options */ 497 sbuf_printf(sb, " 0 0\n"); 498 } 499 500 free(buf, M_TEMP); 501 free(flep, M_TEMP); 502 return (error); 503 } 504 505 /* 506 * Filler function for proc/partitions 507 */ 508 static int 509 linprocfs_dopartitions(PFS_FILL_ARGS) 510 { 511 struct g_class *cp; 512 struct g_geom *gp; 513 struct g_provider *pp; 514 int major, minor; 515 516 g_topology_lock(); 517 sbuf_printf(sb, "major minor #blocks name rio rmerge rsect " 518 "ruse wio wmerge wsect wuse running use aveq\n"); 519 520 LIST_FOREACH(cp, &g_classes, class) { 521 if (strcmp(cp->name, "DISK") == 0 || 522 strcmp(cp->name, "PART") == 0) 523 LIST_FOREACH(gp, &cp->geom, geom) { 524 LIST_FOREACH(pp, &gp->provider, provider) { 525 if (linux_driver_get_major_minor( 526 pp->name, &major, &minor) != 0) { 527 major = 0; 528 minor = 0; 529 } 530 sbuf_printf(sb, "%d %d %lld %s " 531 "%d %d %d %d %d " 532 "%d %d %d %d %d %d\n", 533 major, minor, 534 (long long)pp->mediasize, pp->name, 535 0, 0, 0, 0, 0, 536 0, 0, 0, 0, 0, 0); 537 } 538 } 539 } 540 g_topology_unlock(); 541 542 return (0); 543 } 544 545 /* 546 * Filler function for proc/stat 547 * 548 * Output depends on kernel version: 549 * 550 * v2.5.40 <= 551 * user nice system idle 552 * v2.5.41 553 * user nice system idle iowait 554 * v2.6.11 555 * user nice system idle iowait irq softirq steal 556 * v2.6.24 557 * user nice system idle iowait irq softirq steal guest 558 * v2.6.33 >= 559 * user nice system idle iowait irq softirq steal guest guest_nice 560 */ 561 static int 562 linprocfs_dostat(PFS_FILL_ARGS) 563 { 564 struct pcpu *pcpu; 565 long cp_time[CPUSTATES]; 566 long *cp; 567 struct timeval boottime; 568 int i; 569 char *zero_pad; 570 bool has_intr = true; 571 572 if (linux_kernver(td) >= LINUX_KERNVER(2,6,33)) { 573 zero_pad = " 0 0 0 0\n"; 574 } else if (linux_kernver(td) >= LINUX_KERNVER(2,6,24)) { 575 zero_pad = " 0 0 0\n"; 576 } else if (linux_kernver(td) >= LINUX_KERNVER(2,6,11)) { 577 zero_pad = " 0 0\n"; 578 } else if (linux_kernver(td) >= LINUX_KERNVER(2,5,41)) { 579 has_intr = false; 580 zero_pad = " 0\n"; 581 } else { 582 has_intr = false; 583 zero_pad = "\n"; 584 } 585 586 read_cpu_time(cp_time); 587 getboottime(&boottime); 588 /* Parameters common to all versions */ 589 sbuf_printf(sb, "cpu %lu %lu %lu %lu", 590 T2J(cp_time[CP_USER]), 591 T2J(cp_time[CP_NICE]), 592 T2J(cp_time[CP_SYS]), 593 T2J(cp_time[CP_IDLE])); 594 595 /* Print interrupt stats if available */ 596 if (has_intr) { 597 sbuf_printf(sb, " 0 %lu", T2J(cp_time[CP_INTR])); 598 } 599 600 /* Pad out remaining fields depending on version */ 601 sbuf_printf(sb, "%s", zero_pad); 602 603 CPU_FOREACH(i) { 604 pcpu = pcpu_find(i); 605 cp = pcpu->pc_cp_time; 606 sbuf_printf(sb, "cpu%d %lu %lu %lu %lu", i, 607 T2J(cp[CP_USER]), 608 T2J(cp[CP_NICE]), 609 T2J(cp[CP_SYS]), 610 T2J(cp[CP_IDLE])); 611 612 if (has_intr) { 613 sbuf_printf(sb, " 0 %lu", T2J(cp[CP_INTR])); 614 } 615 616 sbuf_printf(sb, "%s", zero_pad); 617 } 618 sbuf_printf(sb, 619 "disk 0 0 0 0\n" 620 "page %ju %ju\n" 621 "swap %ju %ju\n" 622 "intr %ju\n" 623 "ctxt %ju\n" 624 "btime %lld\n", 625 (uintmax_t)VM_CNT_FETCH(v_vnodepgsin), 626 (uintmax_t)VM_CNT_FETCH(v_vnodepgsout), 627 (uintmax_t)VM_CNT_FETCH(v_swappgsin), 628 (uintmax_t)VM_CNT_FETCH(v_swappgsout), 629 (uintmax_t)VM_CNT_FETCH(v_intr), 630 (uintmax_t)VM_CNT_FETCH(v_swtch), 631 (long long)boottime.tv_sec); 632 return (0); 633 } 634 635 static int 636 linprocfs_doswaps(PFS_FILL_ARGS) 637 { 638 struct xswdev xsw; 639 uintmax_t total, used; 640 int n; 641 char devname[SPECNAMELEN + 1]; 642 643 sbuf_printf(sb, "Filename\t\t\t\tType\t\tSize\tUsed\tPriority\n"); 644 for (n = 0; ; n++) { 645 if (swap_dev_info(n, &xsw, devname, sizeof(devname)) != 0) 646 break; 647 total = (uintmax_t)xsw.xsw_nblks * PAGE_SIZE / 1024; 648 used = (uintmax_t)xsw.xsw_used * PAGE_SIZE / 1024; 649 650 /* 651 * The space and not tab after the device name is on 652 * purpose. Linux does so. 653 */ 654 sbuf_printf(sb, "/dev/%-34s unknown\t\t%jd\t%jd\t-1\n", 655 devname, total, used); 656 } 657 return (0); 658 } 659 660 /* 661 * Filler function for proc/uptime 662 */ 663 static int 664 linprocfs_douptime(PFS_FILL_ARGS) 665 { 666 long cp_time[CPUSTATES]; 667 struct timeval tv; 668 669 getmicrouptime(&tv); 670 read_cpu_time(cp_time); 671 sbuf_printf(sb, "%lld.%02ld %ld.%02lu\n", 672 (long long)tv.tv_sec, tv.tv_usec / 10000, 673 T2S(cp_time[CP_IDLE] / mp_ncpus), 674 T2CS(cp_time[CP_IDLE] / mp_ncpus) % 100); 675 return (0); 676 } 677 678 /* 679 * Get OS build date 680 */ 681 static void 682 linprocfs_osbuild(struct thread *td, struct sbuf *sb) 683 { 684 #if 0 685 char osbuild[256]; 686 char *cp1, *cp2; 687 688 strncpy(osbuild, version, 256); 689 osbuild[255] = '\0'; 690 cp1 = strstr(osbuild, "\n"); 691 cp2 = strstr(osbuild, ":"); 692 if (cp1 && cp2) { 693 *cp1 = *cp2 = '\0'; 694 cp1 = strstr(osbuild, "#"); 695 } else 696 cp1 = NULL; 697 if (cp1) 698 sbuf_printf(sb, "%s%s", cp1, cp2 + 1); 699 else 700 #endif 701 sbuf_cat(sb, "#4 Sun Dec 18 04:30:00 CET 1977"); 702 } 703 704 /* 705 * Get OS builder 706 */ 707 static void 708 linprocfs_osbuilder(struct thread *td, struct sbuf *sb) 709 { 710 #if 0 711 char builder[256]; 712 char *cp; 713 714 cp = strstr(version, "\n "); 715 if (cp) { 716 strncpy(builder, cp + 5, 256); 717 builder[255] = '\0'; 718 cp = strstr(builder, ":"); 719 if (cp) 720 *cp = '\0'; 721 } 722 if (cp) 723 sbuf_cat(sb, builder); 724 else 725 #endif 726 sbuf_cat(sb, "des@freebsd.org"); 727 } 728 729 /* 730 * Filler function for proc/version 731 */ 732 static int 733 linprocfs_doversion(PFS_FILL_ARGS) 734 { 735 char osname[LINUX_MAX_UTSNAME]; 736 char osrelease[LINUX_MAX_UTSNAME]; 737 738 linux_get_osname(td, osname); 739 linux_get_osrelease(td, osrelease); 740 sbuf_printf(sb, "%s version %s (", osname, osrelease); 741 linprocfs_osbuilder(td, sb); 742 sbuf_cat(sb, ") (gcc version " __VERSION__ ") "); 743 linprocfs_osbuild(td, sb); 744 sbuf_cat(sb, "\n"); 745 746 return (0); 747 } 748 749 /* 750 * Filler function for proc/loadavg 751 */ 752 static int 753 linprocfs_doloadavg(PFS_FILL_ARGS) 754 { 755 756 sbuf_printf(sb, 757 "%d.%02d %d.%02d %d.%02d %d/%d %d\n", 758 (int)(averunnable.ldavg[0] / averunnable.fscale), 759 (int)(averunnable.ldavg[0] * 100 / averunnable.fscale % 100), 760 (int)(averunnable.ldavg[1] / averunnable.fscale), 761 (int)(averunnable.ldavg[1] * 100 / averunnable.fscale % 100), 762 (int)(averunnable.ldavg[2] / averunnable.fscale), 763 (int)(averunnable.ldavg[2] * 100 / averunnable.fscale % 100), 764 1, /* number of running tasks */ 765 nprocs, /* number of tasks */ 766 lastpid /* the last pid */ 767 ); 768 return (0); 769 } 770 771 static int 772 linprocfs_get_tty_nr(struct proc *p) 773 { 774 struct session *sp; 775 const char *ttyname; 776 int error, major, minor, nr; 777 778 PROC_LOCK_ASSERT(p, MA_OWNED); 779 sx_assert(&proctree_lock, SX_LOCKED); 780 781 if ((p->p_flag & P_CONTROLT) == 0) 782 return (-1); 783 784 sp = p->p_pgrp->pg_session; 785 if (sp == NULL) 786 return (-1); 787 788 ttyname = devtoname(sp->s_ttyp->t_dev); 789 error = linux_driver_get_major_minor(ttyname, &major, &minor); 790 if (error != 0) 791 return (-1); 792 793 nr = makedev(major, minor); 794 return (nr); 795 } 796 797 /* 798 * Filler function for proc/pid/stat 799 */ 800 static int 801 linprocfs_doprocstat(PFS_FILL_ARGS) 802 { 803 struct kinfo_proc kp; 804 struct timeval boottime; 805 char state; 806 static int ratelimit = 0; 807 int tty_nr; 808 vm_offset_t startcode, startdata; 809 810 getboottime(&boottime); 811 sx_slock(&proctree_lock); 812 PROC_LOCK(p); 813 fill_kinfo_proc(p, &kp); 814 tty_nr = linprocfs_get_tty_nr(p); 815 sx_sunlock(&proctree_lock); 816 if (p->p_vmspace) { 817 startcode = (vm_offset_t)p->p_vmspace->vm_taddr; 818 startdata = (vm_offset_t)p->p_vmspace->vm_daddr; 819 } else { 820 startcode = 0; 821 startdata = 0; 822 } 823 sbuf_printf(sb, "%d", p->p_pid); 824 #define PS_ADD(name, fmt, arg) sbuf_printf(sb, " " fmt, arg) 825 PS_ADD("comm", "(%s)", p->p_comm); 826 if (kp.ki_stat > sizeof(linux_state)) { 827 state = 'R'; 828 829 if (ratelimit == 0) { 830 printf("linprocfs: don't know how to handle unknown FreeBSD state %d/%zd, mapping to R\n", 831 kp.ki_stat, sizeof(linux_state)); 832 ++ratelimit; 833 } 834 } else 835 state = linux_state[kp.ki_stat - 1]; 836 PS_ADD("state", "%c", state); 837 PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0); 838 PS_ADD("pgrp", "%d", p->p_pgid); 839 PS_ADD("session", "%d", p->p_session->s_sid); 840 PROC_UNLOCK(p); 841 PS_ADD("tty", "%d", tty_nr); 842 PS_ADD("tpgid", "%d", kp.ki_tpgid); 843 PS_ADD("flags", "%u", 0); /* XXX */ 844 PS_ADD("minflt", "%lu", kp.ki_rusage.ru_minflt); 845 PS_ADD("cminflt", "%lu", kp.ki_rusage_ch.ru_minflt); 846 PS_ADD("majflt", "%lu", kp.ki_rusage.ru_majflt); 847 PS_ADD("cmajflt", "%lu", kp.ki_rusage_ch.ru_majflt); 848 PS_ADD("utime", "%ld", TV2J(&kp.ki_rusage.ru_utime)); 849 PS_ADD("stime", "%ld", TV2J(&kp.ki_rusage.ru_stime)); 850 PS_ADD("cutime", "%ld", TV2J(&kp.ki_rusage_ch.ru_utime)); 851 PS_ADD("cstime", "%ld", TV2J(&kp.ki_rusage_ch.ru_stime)); 852 PS_ADD("priority", "%d", kp.ki_pri.pri_user); 853 PS_ADD("nice", "%d", kp.ki_nice); /* 19 (nicest) to -19 */ 854 PS_ADD("0", "%d", 0); /* removed field */ 855 PS_ADD("itrealvalue", "%d", 0); /* XXX */ 856 PS_ADD("starttime", "%lu", TV2J(&kp.ki_start) - TV2J(&boottime)); 857 PS_ADD("vsize", "%ju", P2K((uintmax_t)kp.ki_size)); 858 PS_ADD("rss", "%ju", (uintmax_t)kp.ki_rssize); 859 PS_ADD("rlim", "%lu", kp.ki_rusage.ru_maxrss); 860 PS_ADD("startcode", "%ju", (uintmax_t)startcode); 861 PS_ADD("endcode", "%ju", (uintmax_t)startdata); 862 PS_ADD("startstack", "%u", 0); /* XXX */ 863 PS_ADD("kstkesp", "%u", 0); /* XXX */ 864 PS_ADD("kstkeip", "%u", 0); /* XXX */ 865 PS_ADD("signal", "%u", 0); /* XXX */ 866 PS_ADD("blocked", "%u", 0); /* XXX */ 867 PS_ADD("sigignore", "%u", 0); /* XXX */ 868 PS_ADD("sigcatch", "%u", 0); /* XXX */ 869 PS_ADD("wchan", "%u", 0); /* XXX */ 870 PS_ADD("nswap", "%lu", kp.ki_rusage.ru_nswap); 871 PS_ADD("cnswap", "%lu", kp.ki_rusage_ch.ru_nswap); 872 PS_ADD("exitsignal", "%d", 0); /* XXX */ 873 PS_ADD("processor", "%u", kp.ki_lastcpu); 874 PS_ADD("rt_priority", "%u", 0); /* XXX */ /* >= 2.5.19 */ 875 PS_ADD("policy", "%u", kp.ki_pri.pri_class); /* >= 2.5.19 */ 876 #undef PS_ADD 877 sbuf_putc(sb, '\n'); 878 879 return (0); 880 } 881 882 /* 883 * Filler function for proc/pid/statm 884 */ 885 static int 886 linprocfs_doprocstatm(PFS_FILL_ARGS) 887 { 888 struct kinfo_proc kp; 889 segsz_t lsize; 890 891 sx_slock(&proctree_lock); 892 PROC_LOCK(p); 893 fill_kinfo_proc(p, &kp); 894 PROC_UNLOCK(p); 895 sx_sunlock(&proctree_lock); 896 897 /* 898 * See comments in linprocfs_doprocstatus() regarding the 899 * computation of lsize. 900 */ 901 /* size resident share trs drs lrs dt */ 902 sbuf_printf(sb, "%ju ", B2P((uintmax_t)kp.ki_size)); 903 sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_rssize); 904 sbuf_printf(sb, "%ju ", (uintmax_t)0); /* XXX */ 905 sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_tsize); 906 sbuf_printf(sb, "%ju ", (uintmax_t)(kp.ki_dsize + kp.ki_ssize)); 907 lsize = B2P(kp.ki_size) - kp.ki_dsize - 908 kp.ki_ssize - kp.ki_tsize - 1; 909 sbuf_printf(sb, "%ju ", (uintmax_t)lsize); 910 sbuf_printf(sb, "%ju\n", (uintmax_t)0); /* XXX */ 911 912 return (0); 913 } 914 915 /* 916 * Filler function for proc/pid/status 917 */ 918 static int 919 linprocfs_doprocstatus(PFS_FILL_ARGS) 920 { 921 struct kinfo_proc kp; 922 char *state; 923 segsz_t lsize; 924 struct thread *td2; 925 struct sigacts *ps; 926 l_sigset_t siglist, sigignore, sigcatch; 927 int i; 928 929 sx_slock(&proctree_lock); 930 PROC_LOCK(p); 931 td2 = FIRST_THREAD_IN_PROC(p); /* XXXKSE pretend only one thread */ 932 933 if (P_SHOULDSTOP(p)) { 934 state = "T (stopped)"; 935 } else { 936 switch(p->p_state) { 937 case PRS_NEW: 938 state = "I (idle)"; 939 break; 940 case PRS_NORMAL: 941 if (p->p_flag & P_WEXIT) { 942 state = "X (exiting)"; 943 break; 944 } 945 switch(td2->td_state) { 946 case TDS_INHIBITED: 947 state = "S (sleeping)"; 948 break; 949 case TDS_RUNQ: 950 case TDS_RUNNING: 951 state = "R (running)"; 952 break; 953 default: 954 state = "? (unknown)"; 955 break; 956 } 957 break; 958 case PRS_ZOMBIE: 959 state = "Z (zombie)"; 960 break; 961 default: 962 state = "? (unknown)"; 963 break; 964 } 965 } 966 967 fill_kinfo_proc(p, &kp); 968 sx_sunlock(&proctree_lock); 969 970 sbuf_printf(sb, "Name:\t%s\n", p->p_comm); /* XXX escape */ 971 sbuf_printf(sb, "State:\t%s\n", state); 972 973 /* 974 * Credentials 975 */ 976 sbuf_printf(sb, "Tgid:\t%d\n", p->p_pid); 977 sbuf_printf(sb, "Pid:\t%d\n", p->p_pid); 978 sbuf_printf(sb, "PPid:\t%d\n", kp.ki_ppid ); 979 sbuf_printf(sb, "TracerPid:\t%d\n", kp.ki_tracer ); 980 sbuf_printf(sb, "Uid:\t%d %d %d %d\n", p->p_ucred->cr_ruid, 981 p->p_ucred->cr_uid, 982 p->p_ucred->cr_svuid, 983 /* FreeBSD doesn't have fsuid */ 984 p->p_ucred->cr_uid); 985 sbuf_printf(sb, "Gid:\t%d %d %d %d\n", p->p_ucred->cr_rgid, 986 p->p_ucred->cr_gid, 987 p->p_ucred->cr_svgid, 988 /* FreeBSD doesn't have fsgid */ 989 p->p_ucred->cr_gid); 990 sbuf_cat(sb, "Groups:\t"); 991 for (i = 0; i < p->p_ucred->cr_ngroups; i++) 992 sbuf_printf(sb, "%d ", p->p_ucred->cr_groups[i]); 993 PROC_UNLOCK(p); 994 sbuf_putc(sb, '\n'); 995 996 /* 997 * Memory 998 * 999 * While our approximation of VmLib may not be accurate (I 1000 * don't know of a simple way to verify it, and I'm not sure 1001 * it has much meaning anyway), I believe it's good enough. 1002 * 1003 * The same code that could (I think) accurately compute VmLib 1004 * could also compute VmLck, but I don't really care enough to 1005 * implement it. Submissions are welcome. 1006 */ 1007 sbuf_printf(sb, "VmSize:\t%8ju kB\n", B2K((uintmax_t)kp.ki_size)); 1008 sbuf_printf(sb, "VmLck:\t%8u kB\n", P2K(0)); /* XXX */ 1009 sbuf_printf(sb, "VmRSS:\t%8ju kB\n", P2K((uintmax_t)kp.ki_rssize)); 1010 sbuf_printf(sb, "VmData:\t%8ju kB\n", P2K((uintmax_t)kp.ki_dsize)); 1011 sbuf_printf(sb, "VmStk:\t%8ju kB\n", P2K((uintmax_t)kp.ki_ssize)); 1012 sbuf_printf(sb, "VmExe:\t%8ju kB\n", P2K((uintmax_t)kp.ki_tsize)); 1013 lsize = B2P(kp.ki_size) - kp.ki_dsize - 1014 kp.ki_ssize - kp.ki_tsize - 1; 1015 sbuf_printf(sb, "VmLib:\t%8ju kB\n", P2K((uintmax_t)lsize)); 1016 1017 /* 1018 * Signal masks 1019 */ 1020 PROC_LOCK(p); 1021 bsd_to_linux_sigset(&p->p_siglist, &siglist); 1022 ps = p->p_sigacts; 1023 mtx_lock(&ps->ps_mtx); 1024 bsd_to_linux_sigset(&ps->ps_sigignore, &sigignore); 1025 bsd_to_linux_sigset(&ps->ps_sigcatch, &sigcatch); 1026 mtx_unlock(&ps->ps_mtx); 1027 PROC_UNLOCK(p); 1028 1029 sbuf_printf(sb, "SigPnd:\t%016jx\n", siglist.__mask); 1030 /* 1031 * XXX. SigBlk - target thread's signal mask, td_sigmask. 1032 * To implement SigBlk pseudofs should support proc/tid dir entries. 1033 */ 1034 sbuf_printf(sb, "SigBlk:\t%016x\n", 0); 1035 sbuf_printf(sb, "SigIgn:\t%016jx\n", sigignore.__mask); 1036 sbuf_printf(sb, "SigCgt:\t%016jx\n", sigcatch.__mask); 1037 1038 /* 1039 * Linux also prints the capability masks, but we don't have 1040 * capabilities yet, and when we do get them they're likely to 1041 * be meaningless to Linux programs, so we lie. XXX 1042 */ 1043 sbuf_printf(sb, "CapInh:\t%016x\n", 0); 1044 sbuf_printf(sb, "CapPrm:\t%016x\n", 0); 1045 sbuf_printf(sb, "CapEff:\t%016x\n", 0); 1046 1047 return (0); 1048 } 1049 1050 1051 /* 1052 * Filler function for proc/pid/cwd 1053 */ 1054 static int 1055 linprocfs_doproccwd(PFS_FILL_ARGS) 1056 { 1057 struct pwd *pwd; 1058 char *fullpath = "unknown"; 1059 char *freepath = NULL; 1060 1061 pwd = pwd_hold(td); 1062 vn_fullpath(td, pwd->pwd_cdir, &fullpath, &freepath); 1063 sbuf_printf(sb, "%s", fullpath); 1064 if (freepath) 1065 free(freepath, M_TEMP); 1066 pwd_drop(pwd); 1067 return (0); 1068 } 1069 1070 /* 1071 * Filler function for proc/pid/root 1072 */ 1073 static int 1074 linprocfs_doprocroot(PFS_FILL_ARGS) 1075 { 1076 struct pwd *pwd; 1077 struct vnode *vp; 1078 char *fullpath = "unknown"; 1079 char *freepath = NULL; 1080 1081 pwd = pwd_hold(td); 1082 vp = jailed(p->p_ucred) ? pwd->pwd_jdir : pwd->pwd_rdir; 1083 vn_fullpath(td, vp, &fullpath, &freepath); 1084 sbuf_printf(sb, "%s", fullpath); 1085 if (freepath) 1086 free(freepath, M_TEMP); 1087 pwd_drop(pwd); 1088 return (0); 1089 } 1090 1091 /* 1092 * Filler function for proc/pid/cmdline 1093 */ 1094 static int 1095 linprocfs_doproccmdline(PFS_FILL_ARGS) 1096 { 1097 int ret; 1098 1099 PROC_LOCK(p); 1100 if ((ret = p_cansee(td, p)) != 0) { 1101 PROC_UNLOCK(p); 1102 return (ret); 1103 } 1104 1105 /* 1106 * Mimic linux behavior and pass only processes with usermode 1107 * address space as valid. Return zero silently otherwize. 1108 */ 1109 if (p->p_vmspace == &vmspace0) { 1110 PROC_UNLOCK(p); 1111 return (0); 1112 } 1113 if (p->p_args != NULL) { 1114 sbuf_bcpy(sb, p->p_args->ar_args, p->p_args->ar_length); 1115 PROC_UNLOCK(p); 1116 return (0); 1117 } 1118 1119 if ((p->p_flag & P_SYSTEM) != 0) { 1120 PROC_UNLOCK(p); 1121 return (0); 1122 } 1123 1124 PROC_UNLOCK(p); 1125 1126 ret = proc_getargv(td, p, sb); 1127 return (ret); 1128 } 1129 1130 /* 1131 * Filler function for proc/pid/environ 1132 */ 1133 static int 1134 linprocfs_doprocenviron(PFS_FILL_ARGS) 1135 { 1136 1137 /* 1138 * Mimic linux behavior and pass only processes with usermode 1139 * address space as valid. Return zero silently otherwize. 1140 */ 1141 if (p->p_vmspace == &vmspace0) 1142 return (0); 1143 1144 return (proc_getenvv(td, p, sb)); 1145 } 1146 1147 static char l32_map_str[] = "%08lx-%08lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n"; 1148 static char l64_map_str[] = "%016lx-%016lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n"; 1149 static char vdso_str[] = " [vdso]"; 1150 static char stack_str[] = " [stack]"; 1151 1152 /* 1153 * Filler function for proc/pid/maps 1154 */ 1155 static int 1156 linprocfs_doprocmaps(PFS_FILL_ARGS) 1157 { 1158 struct vmspace *vm; 1159 vm_map_t map; 1160 vm_map_entry_t entry, tmp_entry; 1161 vm_object_t obj, tobj, lobj; 1162 vm_offset_t e_start, e_end; 1163 vm_ooffset_t off; 1164 vm_prot_t e_prot; 1165 unsigned int last_timestamp; 1166 char *name = "", *freename = NULL; 1167 const char *l_map_str; 1168 ino_t ino; 1169 int ref_count, shadow_count, flags; 1170 int error; 1171 struct vnode *vp; 1172 struct vattr vat; 1173 bool private; 1174 1175 PROC_LOCK(p); 1176 error = p_candebug(td, p); 1177 PROC_UNLOCK(p); 1178 if (error) 1179 return (error); 1180 1181 if (uio->uio_rw != UIO_READ) 1182 return (EOPNOTSUPP); 1183 1184 error = 0; 1185 vm = vmspace_acquire_ref(p); 1186 if (vm == NULL) 1187 return (ESRCH); 1188 1189 if (SV_CURPROC_FLAG(SV_LP64)) 1190 l_map_str = l64_map_str; 1191 else 1192 l_map_str = l32_map_str; 1193 map = &vm->vm_map; 1194 vm_map_lock_read(map); 1195 VM_MAP_ENTRY_FOREACH(entry, map) { 1196 name = ""; 1197 freename = NULL; 1198 if (entry->eflags & MAP_ENTRY_IS_SUB_MAP) 1199 continue; 1200 e_prot = entry->protection; 1201 e_start = entry->start; 1202 e_end = entry->end; 1203 obj = entry->object.vm_object; 1204 off = entry->offset; 1205 for (lobj = tobj = obj; tobj != NULL; 1206 lobj = tobj, tobj = tobj->backing_object) { 1207 VM_OBJECT_RLOCK(tobj); 1208 off += lobj->backing_object_offset; 1209 if (lobj != obj) 1210 VM_OBJECT_RUNLOCK(lobj); 1211 } 1212 private = (entry->eflags & MAP_ENTRY_COW) != 0 || obj == NULL || 1213 (obj->flags & OBJ_ANON) != 0; 1214 last_timestamp = map->timestamp; 1215 vm_map_unlock_read(map); 1216 ino = 0; 1217 if (lobj) { 1218 vp = vm_object_vnode(lobj); 1219 if (vp != NULL) 1220 vref(vp); 1221 if (lobj != obj) 1222 VM_OBJECT_RUNLOCK(lobj); 1223 flags = obj->flags; 1224 ref_count = obj->ref_count; 1225 shadow_count = obj->shadow_count; 1226 VM_OBJECT_RUNLOCK(obj); 1227 if (vp != NULL) { 1228 vn_fullpath(td, vp, &name, &freename); 1229 vn_lock(vp, LK_SHARED | LK_RETRY); 1230 VOP_GETATTR(vp, &vat, td->td_ucred); 1231 ino = vat.va_fileid; 1232 vput(vp); 1233 } else if (SV_PROC_ABI(p) == SV_ABI_LINUX) { 1234 if (e_start == p->p_sysent->sv_shared_page_base) 1235 name = vdso_str; 1236 if (e_end == p->p_sysent->sv_usrstack) 1237 name = stack_str; 1238 } 1239 } else { 1240 flags = 0; 1241 ref_count = 0; 1242 shadow_count = 0; 1243 } 1244 1245 /* 1246 * format: 1247 * start, end, access, offset, major, minor, inode, name. 1248 */ 1249 error = sbuf_printf(sb, l_map_str, 1250 (u_long)e_start, (u_long)e_end, 1251 (e_prot & VM_PROT_READ)?"r":"-", 1252 (e_prot & VM_PROT_WRITE)?"w":"-", 1253 (e_prot & VM_PROT_EXECUTE)?"x":"-", 1254 private ? "p" : "s", 1255 (u_long)off, 1256 0, 1257 0, 1258 (u_long)ino, 1259 *name ? " " : "", 1260 name 1261 ); 1262 if (freename) 1263 free(freename, M_TEMP); 1264 vm_map_lock_read(map); 1265 if (error == -1) { 1266 error = 0; 1267 break; 1268 } 1269 if (last_timestamp != map->timestamp) { 1270 /* 1271 * Look again for the entry because the map was 1272 * modified while it was unlocked. Specifically, 1273 * the entry may have been clipped, merged, or deleted. 1274 */ 1275 vm_map_lookup_entry(map, e_end - 1, &tmp_entry); 1276 entry = tmp_entry; 1277 } 1278 } 1279 vm_map_unlock_read(map); 1280 vmspace_free(vm); 1281 1282 return (error); 1283 } 1284 1285 /* 1286 * Criteria for interface name translation 1287 */ 1288 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 1289 1290 static int 1291 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen) 1292 { 1293 struct ifnet *ifscan; 1294 int ethno; 1295 1296 IFNET_RLOCK_ASSERT(); 1297 1298 /* Short-circuit non ethernet interfaces */ 1299 if (!IFP_IS_ETH(ifp)) 1300 return (strlcpy(buffer, ifp->if_xname, buflen)); 1301 1302 /* Determine the (relative) unit number for ethernet interfaces */ 1303 ethno = 0; 1304 CK_STAILQ_FOREACH(ifscan, &V_ifnet, if_link) { 1305 if (ifscan == ifp) 1306 return (snprintf(buffer, buflen, "eth%d", ethno)); 1307 if (IFP_IS_ETH(ifscan)) 1308 ethno++; 1309 } 1310 1311 return (0); 1312 } 1313 1314 /* 1315 * Filler function for proc/net/dev 1316 */ 1317 static int 1318 linprocfs_donetdev(PFS_FILL_ARGS) 1319 { 1320 char ifname[16]; /* XXX LINUX_IFNAMSIZ */ 1321 struct ifnet *ifp; 1322 1323 sbuf_printf(sb, "%6s|%58s|%s\n" 1324 "%6s|%58s|%58s\n", 1325 "Inter-", " Receive", " Transmit", 1326 " face", 1327 "bytes packets errs drop fifo frame compressed multicast", 1328 "bytes packets errs drop fifo colls carrier compressed"); 1329 1330 CURVNET_SET(TD_TO_VNET(curthread)); 1331 IFNET_RLOCK(); 1332 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 1333 linux_ifname(ifp, ifname, sizeof ifname); 1334 sbuf_printf(sb, "%6.6s: ", ifname); 1335 sbuf_printf(sb, "%7ju %7ju %4ju %4ju %4lu %5lu %10lu %9ju ", 1336 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IBYTES), 1337 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IPACKETS), 1338 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IERRORS), 1339 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IQDROPS), 1340 /* rx_missed_errors */ 1341 0UL, /* rx_fifo_errors */ 1342 0UL, /* rx_length_errors + 1343 * rx_over_errors + 1344 * rx_crc_errors + 1345 * rx_frame_errors */ 1346 0UL, /* rx_compressed */ 1347 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IMCASTS)); 1348 /* XXX-BZ rx only? */ 1349 sbuf_printf(sb, "%8ju %7ju %4ju %4ju %4lu %5ju %7lu %10lu\n", 1350 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OBYTES), 1351 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OPACKETS), 1352 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OERRORS), 1353 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OQDROPS), 1354 0UL, /* tx_fifo_errors */ 1355 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_COLLISIONS), 1356 0UL, /* tx_carrier_errors + 1357 * tx_aborted_errors + 1358 * tx_window_errors + 1359 * tx_heartbeat_errors*/ 1360 0UL); /* tx_compressed */ 1361 } 1362 IFNET_RUNLOCK(); 1363 CURVNET_RESTORE(); 1364 1365 return (0); 1366 } 1367 1368 /* 1369 * Filler function for proc/sys/kernel/osrelease 1370 */ 1371 static int 1372 linprocfs_doosrelease(PFS_FILL_ARGS) 1373 { 1374 char osrelease[LINUX_MAX_UTSNAME]; 1375 1376 linux_get_osrelease(td, osrelease); 1377 sbuf_printf(sb, "%s\n", osrelease); 1378 1379 return (0); 1380 } 1381 1382 /* 1383 * Filler function for proc/sys/kernel/ostype 1384 */ 1385 static int 1386 linprocfs_doostype(PFS_FILL_ARGS) 1387 { 1388 char osname[LINUX_MAX_UTSNAME]; 1389 1390 linux_get_osname(td, osname); 1391 sbuf_printf(sb, "%s\n", osname); 1392 1393 return (0); 1394 } 1395 1396 /* 1397 * Filler function for proc/sys/kernel/version 1398 */ 1399 static int 1400 linprocfs_doosbuild(PFS_FILL_ARGS) 1401 { 1402 1403 linprocfs_osbuild(td, sb); 1404 sbuf_cat(sb, "\n"); 1405 return (0); 1406 } 1407 1408 /* 1409 * Filler function for proc/sys/kernel/msgmax 1410 */ 1411 static int 1412 linprocfs_domsgmax(PFS_FILL_ARGS) 1413 { 1414 1415 sbuf_printf(sb, "%d\n", msginfo.msgmax); 1416 return (0); 1417 } 1418 1419 /* 1420 * Filler function for proc/sys/kernel/msgmni 1421 */ 1422 static int 1423 linprocfs_domsgmni(PFS_FILL_ARGS) 1424 { 1425 1426 sbuf_printf(sb, "%d\n", msginfo.msgmni); 1427 return (0); 1428 } 1429 1430 /* 1431 * Filler function for proc/sys/kernel/msgmnb 1432 */ 1433 static int 1434 linprocfs_domsgmnb(PFS_FILL_ARGS) 1435 { 1436 1437 sbuf_printf(sb, "%d\n", msginfo.msgmnb); 1438 return (0); 1439 } 1440 1441 /* 1442 * Filler function for proc/sys/kernel/pid_max 1443 */ 1444 static int 1445 linprocfs_dopid_max(PFS_FILL_ARGS) 1446 { 1447 1448 sbuf_printf(sb, "%i\n", PID_MAX); 1449 return (0); 1450 } 1451 1452 /* 1453 * Filler function for proc/sys/kernel/sem 1454 */ 1455 static int 1456 linprocfs_dosem(PFS_FILL_ARGS) 1457 { 1458 1459 sbuf_printf(sb, "%d %d %d %d\n", seminfo.semmsl, seminfo.semmns, 1460 seminfo.semopm, seminfo.semmni); 1461 return (0); 1462 } 1463 1464 /* 1465 * Filler function for proc/sys/kernel/shmall 1466 */ 1467 static int 1468 linprocfs_doshmall(PFS_FILL_ARGS) 1469 { 1470 1471 sbuf_printf(sb, "%lu\n", shminfo.shmall); 1472 return (0); 1473 } 1474 1475 /* 1476 * Filler function for proc/sys/kernel/shmmax 1477 */ 1478 static int 1479 linprocfs_doshmmax(PFS_FILL_ARGS) 1480 { 1481 1482 sbuf_printf(sb, "%lu\n", shminfo.shmmax); 1483 return (0); 1484 } 1485 1486 /* 1487 * Filler function for proc/sys/kernel/shmmni 1488 */ 1489 static int 1490 linprocfs_doshmmni(PFS_FILL_ARGS) 1491 { 1492 1493 sbuf_printf(sb, "%lu\n", shminfo.shmmni); 1494 return (0); 1495 } 1496 1497 /* 1498 * Filler function for proc/sys/kernel/tainted 1499 */ 1500 static int 1501 linprocfs_dotainted(PFS_FILL_ARGS) 1502 { 1503 1504 sbuf_printf(sb, "0\n"); 1505 return (0); 1506 } 1507 1508 /* 1509 * Filler function for proc/sys/vm/min_free_kbytes 1510 * 1511 * This mirrors the approach in illumos to return zero for reads. Effectively, 1512 * it says, no memory is kept in reserve for "atomic allocations". This class 1513 * of allocation can be used at times when a thread cannot be suspended. 1514 */ 1515 static int 1516 linprocfs_dominfree(PFS_FILL_ARGS) 1517 { 1518 1519 sbuf_printf(sb, "%d\n", 0); 1520 return (0); 1521 } 1522 1523 /* 1524 * Filler function for proc/scsi/device_info 1525 */ 1526 static int 1527 linprocfs_doscsidevinfo(PFS_FILL_ARGS) 1528 { 1529 1530 return (0); 1531 } 1532 1533 /* 1534 * Filler function for proc/scsi/scsi 1535 */ 1536 static int 1537 linprocfs_doscsiscsi(PFS_FILL_ARGS) 1538 { 1539 1540 return (0); 1541 } 1542 1543 /* 1544 * Filler function for proc/devices 1545 */ 1546 static int 1547 linprocfs_dodevices(PFS_FILL_ARGS) 1548 { 1549 char *char_devices; 1550 sbuf_printf(sb, "Character devices:\n"); 1551 1552 char_devices = linux_get_char_devices(); 1553 sbuf_printf(sb, "%s", char_devices); 1554 linux_free_get_char_devices(char_devices); 1555 1556 sbuf_printf(sb, "\nBlock devices:\n"); 1557 1558 return (0); 1559 } 1560 1561 /* 1562 * Filler function for proc/cmdline 1563 */ 1564 static int 1565 linprocfs_docmdline(PFS_FILL_ARGS) 1566 { 1567 1568 sbuf_printf(sb, "BOOT_IMAGE=%s", kernelname); 1569 sbuf_printf(sb, " ro root=302\n"); 1570 return (0); 1571 } 1572 1573 /* 1574 * Filler function for proc/filesystems 1575 */ 1576 static int 1577 linprocfs_dofilesystems(PFS_FILL_ARGS) 1578 { 1579 struct vfsconf *vfsp; 1580 1581 vfsconf_slock(); 1582 TAILQ_FOREACH(vfsp, &vfsconf, vfc_list) { 1583 if (vfsp->vfc_flags & VFCF_SYNTHETIC) 1584 sbuf_printf(sb, "nodev"); 1585 sbuf_printf(sb, "\t%s\n", vfsp->vfc_name); 1586 } 1587 vfsconf_sunlock(); 1588 return(0); 1589 } 1590 1591 /* 1592 * Filler function for proc/modules 1593 */ 1594 static int 1595 linprocfs_domodules(PFS_FILL_ARGS) 1596 { 1597 #if 0 1598 struct linker_file *lf; 1599 1600 TAILQ_FOREACH(lf, &linker_files, link) { 1601 sbuf_printf(sb, "%-20s%8lu%4d\n", lf->filename, 1602 (unsigned long)lf->size, lf->refs); 1603 } 1604 #endif 1605 return (0); 1606 } 1607 1608 /* 1609 * Filler function for proc/pid/fd 1610 */ 1611 static int 1612 linprocfs_dofdescfs(PFS_FILL_ARGS) 1613 { 1614 1615 if (p == curproc) 1616 sbuf_printf(sb, "/dev/fd"); 1617 else 1618 sbuf_printf(sb, "unknown"); 1619 return (0); 1620 } 1621 1622 /* 1623 * Filler function for proc/pid/limits 1624 */ 1625 static const struct linux_rlimit_ident { 1626 const char *desc; 1627 const char *unit; 1628 unsigned int rlim_id; 1629 } linux_rlimits_ident[] = { 1630 { "Max cpu time", "seconds", RLIMIT_CPU }, 1631 { "Max file size", "bytes", RLIMIT_FSIZE }, 1632 { "Max data size", "bytes", RLIMIT_DATA }, 1633 { "Max stack size", "bytes", RLIMIT_STACK }, 1634 { "Max core file size", "bytes", RLIMIT_CORE }, 1635 { "Max resident set", "bytes", RLIMIT_RSS }, 1636 { "Max processes", "processes", RLIMIT_NPROC }, 1637 { "Max open files", "files", RLIMIT_NOFILE }, 1638 { "Max locked memory", "bytes", RLIMIT_MEMLOCK }, 1639 { "Max address space", "bytes", RLIMIT_AS }, 1640 { "Max file locks", "locks", LINUX_RLIMIT_LOCKS }, 1641 { "Max pending signals", "signals", LINUX_RLIMIT_SIGPENDING }, 1642 { "Max msgqueue size", "bytes", LINUX_RLIMIT_MSGQUEUE }, 1643 { "Max nice priority", "", LINUX_RLIMIT_NICE }, 1644 { "Max realtime priority", "", LINUX_RLIMIT_RTPRIO }, 1645 { "Max realtime timeout", "us", LINUX_RLIMIT_RTTIME }, 1646 { 0, 0, 0 } 1647 }; 1648 1649 static int 1650 linprocfs_doproclimits(PFS_FILL_ARGS) 1651 { 1652 const struct linux_rlimit_ident *li; 1653 struct plimit *limp; 1654 struct rlimit rl; 1655 ssize_t size; 1656 int res, error; 1657 1658 error = 0; 1659 1660 PROC_LOCK(p); 1661 limp = lim_hold(p->p_limit); 1662 PROC_UNLOCK(p); 1663 size = sizeof(res); 1664 sbuf_printf(sb, "%-26s%-21s%-21s%-21s\n", "Limit", "Soft Limit", 1665 "Hard Limit", "Units"); 1666 for (li = linux_rlimits_ident; li->desc != NULL; ++li) { 1667 switch (li->rlim_id) 1668 { 1669 case LINUX_RLIMIT_LOCKS: 1670 /* FALLTHROUGH */ 1671 case LINUX_RLIMIT_RTTIME: 1672 rl.rlim_cur = RLIM_INFINITY; 1673 break; 1674 case LINUX_RLIMIT_SIGPENDING: 1675 error = kernel_sysctlbyname(td, 1676 "kern.sigqueue.max_pending_per_proc", 1677 &res, &size, 0, 0, 0, 0); 1678 if (error != 0) 1679 goto out; 1680 rl.rlim_cur = res; 1681 rl.rlim_max = res; 1682 break; 1683 case LINUX_RLIMIT_MSGQUEUE: 1684 error = kernel_sysctlbyname(td, 1685 "kern.ipc.msgmnb", &res, &size, 0, 0, 0, 0); 1686 if (error != 0) 1687 goto out; 1688 rl.rlim_cur = res; 1689 rl.rlim_max = res; 1690 break; 1691 case LINUX_RLIMIT_NICE: 1692 /* FALLTHROUGH */ 1693 case LINUX_RLIMIT_RTPRIO: 1694 rl.rlim_cur = 0; 1695 rl.rlim_max = 0; 1696 break; 1697 default: 1698 rl = limp->pl_rlimit[li->rlim_id]; 1699 break; 1700 } 1701 if (rl.rlim_cur == RLIM_INFINITY) 1702 sbuf_printf(sb, "%-26s%-21s%-21s%-10s\n", 1703 li->desc, "unlimited", "unlimited", li->unit); 1704 else 1705 sbuf_printf(sb, "%-26s%-21llu%-21llu%-10s\n", 1706 li->desc, (unsigned long long)rl.rlim_cur, 1707 (unsigned long long)rl.rlim_max, li->unit); 1708 } 1709 out: 1710 lim_free(limp); 1711 return (error); 1712 } 1713 1714 /* 1715 * The point of the following two functions is to work around 1716 * an assertion in Chromium; see kern/240991 for details. 1717 */ 1718 static int 1719 linprocfs_dotaskattr(PFS_ATTR_ARGS) 1720 { 1721 1722 vap->va_nlink = 3; 1723 return (0); 1724 } 1725 1726 /* 1727 * Filler function for proc/<pid>/task/.dummy 1728 */ 1729 static int 1730 linprocfs_dotaskdummy(PFS_FILL_ARGS) 1731 { 1732 1733 return (0); 1734 } 1735 1736 /* 1737 * Filler function for proc/sys/kernel/random/uuid 1738 */ 1739 static int 1740 linprocfs_douuid(PFS_FILL_ARGS) 1741 { 1742 struct uuid uuid; 1743 1744 kern_uuidgen(&uuid, 1); 1745 sbuf_printf_uuid(sb, &uuid); 1746 sbuf_printf(sb, "\n"); 1747 return(0); 1748 } 1749 1750 /* 1751 * Filler function for proc/pid/auxv 1752 */ 1753 static int 1754 linprocfs_doauxv(PFS_FILL_ARGS) 1755 { 1756 struct sbuf *asb; 1757 off_t buflen, resid; 1758 int error; 1759 1760 /* 1761 * Mimic linux behavior and pass only processes with usermode 1762 * address space as valid. Return zero silently otherwise. 1763 */ 1764 if (p->p_vmspace == &vmspace0) 1765 return (0); 1766 1767 if (uio->uio_resid == 0) 1768 return (0); 1769 if (uio->uio_offset < 0 || uio->uio_resid < 0) 1770 return (EINVAL); 1771 1772 asb = sbuf_new_auto(); 1773 if (asb == NULL) 1774 return (ENOMEM); 1775 error = proc_getauxv(td, p, asb); 1776 if (error == 0) 1777 error = sbuf_finish(asb); 1778 1779 resid = sbuf_len(asb) - uio->uio_offset; 1780 if (resid > uio->uio_resid) 1781 buflen = uio->uio_resid; 1782 else 1783 buflen = resid; 1784 if (buflen > IOSIZE_MAX) 1785 return (EINVAL); 1786 if (buflen > MAXPHYS) 1787 buflen = MAXPHYS; 1788 if (resid <= 0) 1789 return (0); 1790 1791 if (error == 0) 1792 error = uiomove(sbuf_data(asb) + uio->uio_offset, buflen, uio); 1793 sbuf_delete(asb); 1794 return (error); 1795 } 1796 1797 /* 1798 * Constructor 1799 */ 1800 static int 1801 linprocfs_init(PFS_INIT_ARGS) 1802 { 1803 struct pfs_node *root; 1804 struct pfs_node *dir; 1805 struct pfs_node *sys; 1806 1807 root = pi->pi_root; 1808 1809 /* /proc/... */ 1810 pfs_create_file(root, "cmdline", &linprocfs_docmdline, 1811 NULL, NULL, NULL, PFS_RD); 1812 pfs_create_file(root, "cpuinfo", &linprocfs_docpuinfo, 1813 NULL, NULL, NULL, PFS_RD); 1814 pfs_create_file(root, "devices", &linprocfs_dodevices, 1815 NULL, NULL, NULL, PFS_RD); 1816 pfs_create_file(root, "filesystems", &linprocfs_dofilesystems, 1817 NULL, NULL, NULL, PFS_RD); 1818 pfs_create_file(root, "loadavg", &linprocfs_doloadavg, 1819 NULL, NULL, NULL, PFS_RD); 1820 pfs_create_file(root, "meminfo", &linprocfs_domeminfo, 1821 NULL, NULL, NULL, PFS_RD); 1822 pfs_create_file(root, "modules", &linprocfs_domodules, 1823 NULL, NULL, NULL, PFS_RD); 1824 pfs_create_file(root, "mounts", &linprocfs_domtab, 1825 NULL, NULL, NULL, PFS_RD); 1826 pfs_create_file(root, "mtab", &linprocfs_domtab, 1827 NULL, NULL, NULL, PFS_RD); 1828 pfs_create_file(root, "partitions", &linprocfs_dopartitions, 1829 NULL, NULL, NULL, PFS_RD); 1830 pfs_create_link(root, "self", &procfs_docurproc, 1831 NULL, NULL, NULL, 0); 1832 pfs_create_file(root, "stat", &linprocfs_dostat, 1833 NULL, NULL, NULL, PFS_RD); 1834 pfs_create_file(root, "swaps", &linprocfs_doswaps, 1835 NULL, NULL, NULL, PFS_RD); 1836 pfs_create_file(root, "uptime", &linprocfs_douptime, 1837 NULL, NULL, NULL, PFS_RD); 1838 pfs_create_file(root, "version", &linprocfs_doversion, 1839 NULL, NULL, NULL, PFS_RD); 1840 1841 /* /proc/bus/... */ 1842 dir = pfs_create_dir(root, "bus", NULL, NULL, NULL, 0); 1843 dir = pfs_create_dir(dir, "pci", NULL, NULL, NULL, 0); 1844 dir = pfs_create_dir(dir, "devices", NULL, NULL, NULL, 0); 1845 1846 /* /proc/net/... */ 1847 dir = pfs_create_dir(root, "net", NULL, NULL, NULL, 0); 1848 pfs_create_file(dir, "dev", &linprocfs_donetdev, 1849 NULL, NULL, NULL, PFS_RD); 1850 1851 /* /proc/<pid>/... */ 1852 dir = pfs_create_dir(root, "pid", NULL, NULL, NULL, PFS_PROCDEP); 1853 pfs_create_file(dir, "cmdline", &linprocfs_doproccmdline, 1854 NULL, NULL, NULL, PFS_RD); 1855 pfs_create_link(dir, "cwd", &linprocfs_doproccwd, 1856 NULL, NULL, NULL, 0); 1857 pfs_create_file(dir, "environ", &linprocfs_doprocenviron, 1858 NULL, &procfs_candebug, NULL, PFS_RD); 1859 pfs_create_link(dir, "exe", &procfs_doprocfile, 1860 NULL, &procfs_notsystem, NULL, 0); 1861 pfs_create_file(dir, "maps", &linprocfs_doprocmaps, 1862 NULL, NULL, NULL, PFS_RD); 1863 pfs_create_file(dir, "mem", &procfs_doprocmem, 1864 procfs_attr_rw, &procfs_candebug, NULL, PFS_RDWR | PFS_RAW); 1865 pfs_create_file(dir, "mounts", &linprocfs_domtab, 1866 NULL, NULL, NULL, PFS_RD); 1867 pfs_create_link(dir, "root", &linprocfs_doprocroot, 1868 NULL, NULL, NULL, 0); 1869 pfs_create_file(dir, "stat", &linprocfs_doprocstat, 1870 NULL, NULL, NULL, PFS_RD); 1871 pfs_create_file(dir, "statm", &linprocfs_doprocstatm, 1872 NULL, NULL, NULL, PFS_RD); 1873 pfs_create_file(dir, "status", &linprocfs_doprocstatus, 1874 NULL, NULL, NULL, PFS_RD); 1875 pfs_create_link(dir, "fd", &linprocfs_dofdescfs, 1876 NULL, NULL, NULL, 0); 1877 pfs_create_file(dir, "auxv", &linprocfs_doauxv, 1878 NULL, &procfs_candebug, NULL, PFS_RD|PFS_RAWRD); 1879 pfs_create_file(dir, "limits", &linprocfs_doproclimits, 1880 NULL, NULL, NULL, PFS_RD); 1881 1882 /* /proc/<pid>/task/... */ 1883 dir = pfs_create_dir(dir, "task", linprocfs_dotaskattr, NULL, NULL, 0); 1884 pfs_create_file(dir, ".dummy", &linprocfs_dotaskdummy, 1885 NULL, NULL, NULL, PFS_RD); 1886 1887 /* /proc/scsi/... */ 1888 dir = pfs_create_dir(root, "scsi", NULL, NULL, NULL, 0); 1889 pfs_create_file(dir, "device_info", &linprocfs_doscsidevinfo, 1890 NULL, NULL, NULL, PFS_RD); 1891 pfs_create_file(dir, "scsi", &linprocfs_doscsiscsi, 1892 NULL, NULL, NULL, PFS_RD); 1893 1894 /* /proc/sys/... */ 1895 sys = pfs_create_dir(root, "sys", NULL, NULL, NULL, 0); 1896 1897 /* /proc/sys/kernel/... */ 1898 dir = pfs_create_dir(sys, "kernel", NULL, NULL, NULL, 0); 1899 pfs_create_file(dir, "osrelease", &linprocfs_doosrelease, 1900 NULL, NULL, NULL, PFS_RD); 1901 pfs_create_file(dir, "ostype", &linprocfs_doostype, 1902 NULL, NULL, NULL, PFS_RD); 1903 pfs_create_file(dir, "version", &linprocfs_doosbuild, 1904 NULL, NULL, NULL, PFS_RD); 1905 pfs_create_file(dir, "msgmax", &linprocfs_domsgmax, 1906 NULL, NULL, NULL, PFS_RD); 1907 pfs_create_file(dir, "msgmni", &linprocfs_domsgmni, 1908 NULL, NULL, NULL, PFS_RD); 1909 pfs_create_file(dir, "msgmnb", &linprocfs_domsgmnb, 1910 NULL, NULL, NULL, PFS_RD); 1911 pfs_create_file(dir, "pid_max", &linprocfs_dopid_max, 1912 NULL, NULL, NULL, PFS_RD); 1913 pfs_create_file(dir, "sem", &linprocfs_dosem, 1914 NULL, NULL, NULL, PFS_RD); 1915 pfs_create_file(dir, "shmall", &linprocfs_doshmall, 1916 NULL, NULL, NULL, PFS_RD); 1917 pfs_create_file(dir, "shmmax", &linprocfs_doshmmax, 1918 NULL, NULL, NULL, PFS_RD); 1919 pfs_create_file(dir, "shmmni", &linprocfs_doshmmni, 1920 NULL, NULL, NULL, PFS_RD); 1921 pfs_create_file(dir, "tainted", &linprocfs_dotainted, 1922 NULL, NULL, NULL, PFS_RD); 1923 1924 /* /proc/sys/kernel/random/... */ 1925 dir = pfs_create_dir(dir, "random", NULL, NULL, NULL, 0); 1926 pfs_create_file(dir, "uuid", &linprocfs_douuid, 1927 NULL, NULL, NULL, PFS_RD); 1928 1929 /* /proc/sys/vm/.... */ 1930 dir = pfs_create_dir(sys, "vm", NULL, NULL, NULL, 0); 1931 pfs_create_file(dir, "min_free_kbytes", &linprocfs_dominfree, 1932 NULL, NULL, NULL, PFS_RD); 1933 1934 return (0); 1935 } 1936 1937 /* 1938 * Destructor 1939 */ 1940 static int 1941 linprocfs_uninit(PFS_INIT_ARGS) 1942 { 1943 1944 /* nothing to do, pseudofs will GC */ 1945 return (0); 1946 } 1947 1948 PSEUDOFS(linprocfs, 1, VFCF_JAIL); 1949 #if defined(__aarch64__) || defined(__amd64__) 1950 MODULE_DEPEND(linprocfs, linux_common, 1, 1, 1); 1951 #else 1952 MODULE_DEPEND(linprocfs, linux, 1, 1, 1); 1953 #endif 1954 MODULE_DEPEND(linprocfs, procfs, 1, 1, 1); 1955 MODULE_DEPEND(linprocfs, sysvmsg, 1, 1, 1); 1956 MODULE_DEPEND(linprocfs, sysvsem, 1, 1, 1); 1957 MODULE_DEPEND(linprocfs, sysvshm, 1, 1, 1); 1958