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