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sys/compat/linprocfs/linprocfs.c
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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("", "%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 filedesc *fdp; 1052 struct vnode *vp; 1053 char *fullpath = "unknown"; 1054 char *freepath = NULL; 1055 1056 fdp = p->p_fd; 1057 FILEDESC_SLOCK(fdp); 1058 vp = fdp->fd_cdir; 1059 if (vp != NULL) 1060 VREF(vp); 1061 FILEDESC_SUNLOCK(fdp); 1062 vn_fullpath(td, vp, &fullpath, &freepath); 1063 if (vp != NULL) 1064 vrele(vp); 1065 sbuf_printf(sb, "%s", fullpath); 1066 if (freepath) 1067 free(freepath, M_TEMP); 1068 return (0); 1069 } 1070 1071 /* 1072 * Filler function for proc/pid/root 1073 */ 1074 static int 1075 linprocfs_doprocroot(PFS_FILL_ARGS) 1076 { 1077 struct filedesc *fdp; 1078 struct vnode *vp; 1079 char *fullpath = "unknown"; 1080 char *freepath = NULL; 1081 1082 fdp = p->p_fd; 1083 FILEDESC_SLOCK(fdp); 1084 vp = jailed(p->p_ucred) ? fdp->fd_jdir : fdp->fd_rdir; 1085 if (vp != NULL) 1086 VREF(vp); 1087 FILEDESC_SUNLOCK(fdp); 1088 vn_fullpath(td, vp, &fullpath, &freepath); 1089 if (vp != NULL) 1090 vrele(vp); 1091 sbuf_printf(sb, "%s", fullpath); 1092 if (freepath) 1093 free(freepath, M_TEMP); 1094 return (0); 1095 } 1096 1097 /* 1098 * Filler function for proc/pid/cmdline 1099 */ 1100 static int 1101 linprocfs_doproccmdline(PFS_FILL_ARGS) 1102 { 1103 int ret; 1104 1105 PROC_LOCK(p); 1106 if ((ret = p_cansee(td, p)) != 0) { 1107 PROC_UNLOCK(p); 1108 return (ret); 1109 } 1110 1111 /* 1112 * Mimic linux behavior and pass only processes with usermode 1113 * address space as valid. Return zero silently otherwize. 1114 */ 1115 if (p->p_vmspace == &vmspace0) { 1116 PROC_UNLOCK(p); 1117 return (0); 1118 } 1119 if (p->p_args != NULL) { 1120 sbuf_bcpy(sb, p->p_args->ar_args, p->p_args->ar_length); 1121 PROC_UNLOCK(p); 1122 return (0); 1123 } 1124 1125 if ((p->p_flag & P_SYSTEM) != 0) { 1126 PROC_UNLOCK(p); 1127 return (0); 1128 } 1129 1130 PROC_UNLOCK(p); 1131 1132 ret = proc_getargv(td, p, sb); 1133 return (ret); 1134 } 1135 1136 /* 1137 * Filler function for proc/pid/environ 1138 */ 1139 static int 1140 linprocfs_doprocenviron(PFS_FILL_ARGS) 1141 { 1142 1143 /* 1144 * Mimic linux behavior and pass only processes with usermode 1145 * address space as valid. Return zero silently otherwize. 1146 */ 1147 if (p->p_vmspace == &vmspace0) 1148 return (0); 1149 1150 return (proc_getenvv(td, p, sb)); 1151 } 1152 1153 static char l32_map_str[] = "%08lx-%08lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n"; 1154 static char l64_map_str[] = "%016lx-%016lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n"; 1155 static char vdso_str[] = " [vdso]"; 1156 static char stack_str[] = " [stack]"; 1157 1158 /* 1159 * Filler function for proc/pid/maps 1160 */ 1161 static int 1162 linprocfs_doprocmaps(PFS_FILL_ARGS) 1163 { 1164 struct vmspace *vm; 1165 vm_map_t map; 1166 vm_map_entry_t entry, tmp_entry; 1167 vm_object_t obj, tobj, lobj; 1168 vm_offset_t e_start, e_end; 1169 vm_ooffset_t off; 1170 vm_prot_t e_prot; 1171 unsigned int last_timestamp; 1172 char *name = "", *freename = NULL; 1173 const char *l_map_str; 1174 ino_t ino; 1175 int ref_count, shadow_count, flags; 1176 int error; 1177 struct vnode *vp; 1178 struct vattr vat; 1179 bool private; 1180 1181 PROC_LOCK(p); 1182 error = p_candebug(td, p); 1183 PROC_UNLOCK(p); 1184 if (error) 1185 return (error); 1186 1187 if (uio->uio_rw != UIO_READ) 1188 return (EOPNOTSUPP); 1189 1190 error = 0; 1191 vm = vmspace_acquire_ref(p); 1192 if (vm == NULL) 1193 return (ESRCH); 1194 1195 if (SV_CURPROC_FLAG(SV_LP64)) 1196 l_map_str = l64_map_str; 1197 else 1198 l_map_str = l32_map_str; 1199 map = &vm->vm_map; 1200 vm_map_lock_read(map); 1201 for (entry = map->header.next; entry != &map->header; 1202 entry = entry->next) { 1203 name = ""; 1204 freename = NULL; 1205 if (entry->eflags & MAP_ENTRY_IS_SUB_MAP) 1206 continue; 1207 e_prot = entry->protection; 1208 e_start = entry->start; 1209 e_end = entry->end; 1210 obj = entry->object.vm_object; 1211 off = entry->offset; 1212 for (lobj = tobj = obj; tobj != NULL; 1213 lobj = tobj, tobj = tobj->backing_object) { 1214 VM_OBJECT_RLOCK(tobj); 1215 off += lobj->backing_object_offset; 1216 if (lobj != obj) 1217 VM_OBJECT_RUNLOCK(lobj); 1218 } 1219 private = (entry->eflags & MAP_ENTRY_COW) != 0 || obj == NULL || 1220 ((obj->type == OBJT_DEFAULT || obj->type == OBJT_SWAP) && 1221 (obj->flags & OBJ_NOSPLIT) == 0); 1222 last_timestamp = map->timestamp; 1223 vm_map_unlock_read(map); 1224 ino = 0; 1225 if (lobj) { 1226 vp = vm_object_vnode(lobj); 1227 if (vp != NULL) 1228 vref(vp); 1229 if (lobj != obj) 1230 VM_OBJECT_RUNLOCK(lobj); 1231 flags = obj->flags; 1232 ref_count = obj->ref_count; 1233 shadow_count = obj->shadow_count; 1234 VM_OBJECT_RUNLOCK(obj); 1235 if (vp != NULL) { 1236 vn_fullpath(td, vp, &name, &freename); 1237 vn_lock(vp, LK_SHARED | LK_RETRY); 1238 VOP_GETATTR(vp, &vat, td->td_ucred); 1239 ino = vat.va_fileid; 1240 vput(vp); 1241 } else if (SV_PROC_ABI(p) == SV_ABI_LINUX) { 1242 if (e_start == p->p_sysent->sv_shared_page_base) 1243 name = vdso_str; 1244 if (e_end == p->p_sysent->sv_usrstack) 1245 name = stack_str; 1246 } 1247 } else { 1248 flags = 0; 1249 ref_count = 0; 1250 shadow_count = 0; 1251 } 1252 1253 /* 1254 * format: 1255 * start, end, access, offset, major, minor, inode, name. 1256 */ 1257 error = sbuf_printf(sb, l_map_str, 1258 (u_long)e_start, (u_long)e_end, 1259 (e_prot & VM_PROT_READ)?"r":"-", 1260 (e_prot & VM_PROT_WRITE)?"w":"-", 1261 (e_prot & VM_PROT_EXECUTE)?"x":"-", 1262 private ? "p" : "s", 1263 (u_long)off, 1264 0, 1265 0, 1266 (u_long)ino, 1267 *name ? " " : "", 1268 name 1269 ); 1270 if (freename) 1271 free(freename, M_TEMP); 1272 vm_map_lock_read(map); 1273 if (error == -1) { 1274 error = 0; 1275 break; 1276 } 1277 if (last_timestamp != map->timestamp) { 1278 /* 1279 * Look again for the entry because the map was 1280 * modified while it was unlocked. Specifically, 1281 * the entry may have been clipped, merged, or deleted. 1282 */ 1283 vm_map_lookup_entry(map, e_end - 1, &tmp_entry); 1284 entry = tmp_entry; 1285 } 1286 } 1287 vm_map_unlock_read(map); 1288 vmspace_free(vm); 1289 1290 return (error); 1291 } 1292 1293 /* 1294 * Criteria for interface name translation 1295 */ 1296 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 1297 1298 static int 1299 linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen) 1300 { 1301 struct ifnet *ifscan; 1302 int ethno; 1303 1304 IFNET_RLOCK_ASSERT(); 1305 1306 /* Short-circuit non ethernet interfaces */ 1307 if (!IFP_IS_ETH(ifp)) 1308 return (strlcpy(buffer, ifp->if_xname, buflen)); 1309 1310 /* Determine the (relative) unit number for ethernet interfaces */ 1311 ethno = 0; 1312 CK_STAILQ_FOREACH(ifscan, &V_ifnet, if_link) { 1313 if (ifscan == ifp) 1314 return (snprintf(buffer, buflen, "eth%d", ethno)); 1315 if (IFP_IS_ETH(ifscan)) 1316 ethno++; 1317 } 1318 1319 return (0); 1320 } 1321 1322 /* 1323 * Filler function for proc/net/dev 1324 */ 1325 static int 1326 linprocfs_donetdev(PFS_FILL_ARGS) 1327 { 1328 char ifname[16]; /* XXX LINUX_IFNAMSIZ */ 1329 struct ifnet *ifp; 1330 1331 sbuf_printf(sb, "%6s|%58s|%s\n" 1332 "%6s|%58s|%58s\n", 1333 "Inter-", " Receive", " Transmit", 1334 " face", 1335 "bytes packets errs drop fifo frame compressed multicast", 1336 "bytes packets errs drop fifo colls carrier compressed"); 1337 1338 CURVNET_SET(TD_TO_VNET(curthread)); 1339 IFNET_RLOCK(); 1340 CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { 1341 linux_ifname(ifp, ifname, sizeof ifname); 1342 sbuf_printf(sb, "%6.6s: ", ifname); 1343 sbuf_printf(sb, "%7ju %7ju %4ju %4ju %4lu %5lu %10lu %9ju ", 1344 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IBYTES), 1345 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IPACKETS), 1346 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IERRORS), 1347 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IQDROPS), 1348 /* rx_missed_errors */ 1349 0UL, /* rx_fifo_errors */ 1350 0UL, /* rx_length_errors + 1351 * rx_over_errors + 1352 * rx_crc_errors + 1353 * rx_frame_errors */ 1354 0UL, /* rx_compressed */ 1355 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IMCASTS)); 1356 /* XXX-BZ rx only? */ 1357 sbuf_printf(sb, "%8ju %7ju %4ju %4ju %4lu %5ju %7lu %10lu\n", 1358 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OBYTES), 1359 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OPACKETS), 1360 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OERRORS), 1361 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OQDROPS), 1362 0UL, /* tx_fifo_errors */ 1363 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_COLLISIONS), 1364 0UL, /* tx_carrier_errors + 1365 * tx_aborted_errors + 1366 * tx_window_errors + 1367 * tx_heartbeat_errors*/ 1368 0UL); /* tx_compressed */ 1369 } 1370 IFNET_RUNLOCK(); 1371 CURVNET_RESTORE(); 1372 1373 return (0); 1374 } 1375 1376 /* 1377 * Filler function for proc/sys/kernel/osrelease 1378 */ 1379 static int 1380 linprocfs_doosrelease(PFS_FILL_ARGS) 1381 { 1382 char osrelease[LINUX_MAX_UTSNAME]; 1383 1384 linux_get_osrelease(td, osrelease); 1385 sbuf_printf(sb, "%s\n", osrelease); 1386 1387 return (0); 1388 } 1389 1390 /* 1391 * Filler function for proc/sys/kernel/ostype 1392 */ 1393 static int 1394 linprocfs_doostype(PFS_FILL_ARGS) 1395 { 1396 char osname[LINUX_MAX_UTSNAME]; 1397 1398 linux_get_osname(td, osname); 1399 sbuf_printf(sb, "%s\n", osname); 1400 1401 return (0); 1402 } 1403 1404 /* 1405 * Filler function for proc/sys/kernel/version 1406 */ 1407 static int 1408 linprocfs_doosbuild(PFS_FILL_ARGS) 1409 { 1410 1411 linprocfs_osbuild(td, sb); 1412 sbuf_cat(sb, "\n"); 1413 return (0); 1414 } 1415 1416 /* 1417 * Filler function for proc/sys/kernel/msgmax 1418 */ 1419 static int 1420 linprocfs_domsgmax(PFS_FILL_ARGS) 1421 { 1422 1423 sbuf_printf(sb, "%d\n", msginfo.msgmax); 1424 return (0); 1425 } 1426 1427 /* 1428 * Filler function for proc/sys/kernel/msgmni 1429 */ 1430 static int 1431 linprocfs_domsgmni(PFS_FILL_ARGS) 1432 { 1433 1434 sbuf_printf(sb, "%d\n", msginfo.msgmni); 1435 return (0); 1436 } 1437 1438 /* 1439 * Filler function for proc/sys/kernel/msgmnb 1440 */ 1441 static int 1442 linprocfs_domsgmnb(PFS_FILL_ARGS) 1443 { 1444 1445 sbuf_printf(sb, "%d\n", msginfo.msgmnb); 1446 return (0); 1447 } 1448 1449 /* 1450 * Filler function for proc/sys/kernel/pid_max 1451 */ 1452 static int 1453 linprocfs_dopid_max(PFS_FILL_ARGS) 1454 { 1455 1456 sbuf_printf(sb, "%i\n", PID_MAX); 1457 return (0); 1458 } 1459 1460 /* 1461 * Filler function for proc/sys/kernel/sem 1462 */ 1463 static int 1464 linprocfs_dosem(PFS_FILL_ARGS) 1465 { 1466 1467 sbuf_printf(sb, "%d %d %d %d\n", seminfo.semmsl, seminfo.semmns, 1468 seminfo.semopm, seminfo.semmni); 1469 return (0); 1470 } 1471 1472 /* 1473 * Filler function for proc/sys/kernel/shmall 1474 */ 1475 static int 1476 linprocfs_doshmall(PFS_FILL_ARGS) 1477 { 1478 1479 sbuf_printf(sb, "%lu\n", shminfo.shmall); 1480 return (0); 1481 } 1482 1483 /* 1484 * Filler function for proc/sys/kernel/shmmax 1485 */ 1486 static int 1487 linprocfs_doshmmax(PFS_FILL_ARGS) 1488 { 1489 1490 sbuf_printf(sb, "%lu\n", shminfo.shmmax); 1491 return (0); 1492 } 1493 1494 /* 1495 * Filler function for proc/sys/kernel/shmmni 1496 */ 1497 static int 1498 linprocfs_doshmmni(PFS_FILL_ARGS) 1499 { 1500 1501 sbuf_printf(sb, "%lu\n", shminfo.shmmni); 1502 return (0); 1503 } 1504 1505 /* 1506 * Filler function for proc/sys/kernel/tainted 1507 */ 1508 static int 1509 linprocfs_dotainted(PFS_FILL_ARGS) 1510 { 1511 1512 sbuf_printf(sb, "\n"); 1513 return (0); 1514 } 1515 1516 /* 1517 * Filler function for proc/sys/vm/min_free_kbytes 1518 * 1519 * This mirrors the approach in illumos to return zero for reads. Effectively, 1520 * it says, no memory is kept in reserve for "atomic allocations". This class 1521 * of allocation can be used at times when a thread cannot be suspended. 1522 */ 1523 static int 1524 linprocfs_dominfree(PFS_FILL_ARGS) 1525 { 1526 1527 sbuf_printf(sb, "%d\n", 0); 1528 return (0); 1529 } 1530 1531 /* 1532 * Filler function for proc/scsi/device_info 1533 */ 1534 static int 1535 linprocfs_doscsidevinfo(PFS_FILL_ARGS) 1536 { 1537 1538 return (0); 1539 } 1540 1541 /* 1542 * Filler function for proc/scsi/scsi 1543 */ 1544 static int 1545 linprocfs_doscsiscsi(PFS_FILL_ARGS) 1546 { 1547 1548 return (0); 1549 } 1550 1551 /* 1552 * Filler function for proc/devices 1553 */ 1554 static int 1555 linprocfs_dodevices(PFS_FILL_ARGS) 1556 { 1557 char *char_devices; 1558 sbuf_printf(sb, "Character devices:\n"); 1559 1560 char_devices = linux_get_char_devices(); 1561 sbuf_printf(sb, "%s", char_devices); 1562 linux_free_get_char_devices(char_devices); 1563 1564 sbuf_printf(sb, "\nBlock devices:\n"); 1565 1566 return (0); 1567 } 1568 1569 /* 1570 * Filler function for proc/cmdline 1571 */ 1572 static int 1573 linprocfs_docmdline(PFS_FILL_ARGS) 1574 { 1575 1576 sbuf_printf(sb, "BOOT_IMAGE=%s", kernelname); 1577 sbuf_printf(sb, " ro root=302\n"); 1578 return (0); 1579 } 1580 1581 /* 1582 * Filler function for proc/filesystems 1583 */ 1584 static int 1585 linprocfs_dofilesystems(PFS_FILL_ARGS) 1586 { 1587 struct vfsconf *vfsp; 1588 1589 vfsconf_slock(); 1590 TAILQ_FOREACH(vfsp, &vfsconf, vfc_list) { 1591 if (vfsp->vfc_flags & VFCF_SYNTHETIC) 1592 sbuf_printf(sb, "nodev"); 1593 sbuf_printf(sb, "\t%s\n", vfsp->vfc_name); 1594 } 1595 vfsconf_sunlock(); 1596 return(0); 1597 } 1598 1599 /* 1600 * Filler function for proc/modules 1601 */ 1602 static int 1603 linprocfs_domodules(PFS_FILL_ARGS) 1604 { 1605 #if 0 1606 struct linker_file *lf; 1607 1608 TAILQ_FOREACH(lf, &linker_files, link) { 1609 sbuf_printf(sb, "%-20s%8lu%4d\n", lf->filename, 1610 (unsigned long)lf->size, lf->refs); 1611 } 1612 #endif 1613 return (0); 1614 } 1615 1616 /* 1617 * Filler function for proc/pid/fd 1618 */ 1619 static int 1620 linprocfs_dofdescfs(PFS_FILL_ARGS) 1621 { 1622 1623 if (p == curproc) 1624 sbuf_printf(sb, "/dev/fd"); 1625 else 1626 sbuf_printf(sb, "unknown"); 1627 return (0); 1628 } 1629 1630 /* 1631 * Filler function for proc/pid/limits 1632 */ 1633 static const struct linux_rlimit_ident { 1634 const char *desc; 1635 const char *unit; 1636 unsigned int rlim_id; 1637 } linux_rlimits_ident[] = { 1638 { "Max cpu time", "seconds", RLIMIT_CPU }, 1639 { "Max file size", "bytes", RLIMIT_FSIZE }, 1640 { "Max data size", "bytes", RLIMIT_DATA }, 1641 { "Max stack size", "bytes", RLIMIT_STACK }, 1642 { "Max core file size", "bytes", RLIMIT_CORE }, 1643 { "Max resident set", "bytes", RLIMIT_RSS }, 1644 { "Max processes", "processes", RLIMIT_NPROC }, 1645 { "Max open files", "files", RLIMIT_NOFILE }, 1646 { "Max locked memory", "bytes", RLIMIT_MEMLOCK }, 1647 { "Max address space", "bytes", RLIMIT_AS }, 1648 { "Max file locks", "locks", LINUX_RLIMIT_LOCKS }, 1649 { "Max pending signals", "signals", LINUX_RLIMIT_SIGPENDING }, 1650 { "Max msgqueue size", "bytes", LINUX_RLIMIT_MSGQUEUE }, 1651 { "Max nice priority", "", LINUX_RLIMIT_NICE }, 1652 { "Max realtime priority", "", LINUX_RLIMIT_RTPRIO }, 1653 { "Max realtime timeout", "us", LINUX_RLIMIT_RTTIME }, 1654 { 0, 0, 0 } 1655 }; 1656 1657 static int 1658 linprocfs_doproclimits(PFS_FILL_ARGS) 1659 { 1660 const struct linux_rlimit_ident *li; 1661 struct plimit *limp; 1662 struct rlimit rl; 1663 ssize_t size; 1664 int res, error; 1665 1666 error = 0; 1667 1668 PROC_LOCK(p); 1669 limp = lim_hold(p->p_limit); 1670 PROC_UNLOCK(p); 1671 size = sizeof(res); 1672 sbuf_printf(sb, "%-26s%-21s%-21s%-21s\n", "Limit", "Soft Limit", 1673 "Hard Limit", "Units"); 1674 for (li = linux_rlimits_ident; li->desc != NULL; ++li) { 1675 switch (li->rlim_id) 1676 { 1677 case LINUX_RLIMIT_LOCKS: 1678 /* FALLTHROUGH */ 1679 case LINUX_RLIMIT_RTTIME: 1680 rl.rlim_cur = RLIM_INFINITY; 1681 break; 1682 case LINUX_RLIMIT_SIGPENDING: 1683 error = kernel_sysctlbyname(td, 1684 "kern.sigqueue.max_pending_per_proc", 1685 &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_MSGQUEUE: 1692 error = kernel_sysctlbyname(td, 1693 "kern.ipc.msgmnb", &res, &size, 0, 0, 0, 0); 1694 if (error != 0) 1695 goto out; 1696 rl.rlim_cur = res; 1697 rl.rlim_max = res; 1698 break; 1699 case LINUX_RLIMIT_NICE: 1700 /* FALLTHROUGH */ 1701 case LINUX_RLIMIT_RTPRIO: 1702 rl.rlim_cur = 0; 1703 rl.rlim_max = 0; 1704 break; 1705 default: 1706 rl = limp->pl_rlimit[li->rlim_id]; 1707 break; 1708 } 1709 if (rl.rlim_cur == RLIM_INFINITY) 1710 sbuf_printf(sb, "%-26s%-21s%-21s%-10s\n", 1711 li->desc, "unlimited", "unlimited", li->unit); 1712 else 1713 sbuf_printf(sb, "%-26s%-21llu%-21llu%-10s\n", 1714 li->desc, (unsigned long long)rl.rlim_cur, 1715 (unsigned long long)rl.rlim_max, li->unit); 1716 } 1717 out: 1718 lim_free(limp); 1719 return (error); 1720 } 1721 1722 /* 1723 * The point of the following two functions is to work around 1724 * an assertion in Chromium; see kern/240991 for details. 1725 */ 1726 static int 1727 linprocfs_dotaskattr(PFS_ATTR_ARGS) 1728 { 1729 1730 vap->va_nlink = 3; 1731 return (0); 1732 } 1733 1734 /* 1735 * Filler function for proc/<pid>/task/.dummy 1736 */ 1737 static int 1738 linprocfs_dotaskdummy(PFS_FILL_ARGS) 1739 { 1740 1741 return (0); 1742 } 1743 1744 /* 1745 * Filler function for proc/sys/kernel/random/uuid 1746 */ 1747 static int 1748 linprocfs_douuid(PFS_FILL_ARGS) 1749 { 1750 struct uuid uuid; 1751 1752 kern_uuidgen(&uuid, 1); 1753 sbuf_printf_uuid(sb, &uuid); 1754 sbuf_printf(sb, "\n"); 1755 return(0); 1756 } 1757 1758 /* 1759 * Filler function for proc/pid/auxv 1760 */ 1761 static int 1762 linprocfs_doauxv(PFS_FILL_ARGS) 1763 { 1764 struct sbuf *asb; 1765 off_t buflen, resid; 1766 int error; 1767 1768 /* 1769 * Mimic linux behavior and pass only processes with usermode 1770 * address space as valid. Return zero silently otherwise. 1771 */ 1772 if (p->p_vmspace == &vmspace0) 1773 return (0); 1774 1775 if (uio->uio_resid == 0) 1776 return (0); 1777 if (uio->uio_offset < 0 || uio->uio_resid < 0) 1778 return (EINVAL); 1779 1780 asb = sbuf_new_auto(); 1781 if (asb == NULL) 1782 return (ENOMEM); 1783 error = proc_getauxv(td, p, asb); 1784 if (error == 0) 1785 error = sbuf_finish(asb); 1786 1787 resid = sbuf_len(asb) - uio->uio_offset; 1788 if (resid > uio->uio_resid) 1789 buflen = uio->uio_resid; 1790 else 1791 buflen = resid; 1792 if (buflen > IOSIZE_MAX) 1793 return (EINVAL); 1794 if (buflen > MAXPHYS) 1795 buflen = MAXPHYS; 1796 if (resid <= 0) 1797 return (0); 1798 1799 if (error == 0) 1800 error = uiomove(sbuf_data(asb) + uio->uio_offset, buflen, uio); 1801 sbuf_delete(asb); 1802 return (error); 1803 } 1804 1805 /* 1806 * Constructor 1807 */ 1808 static int 1809 linprocfs_init(PFS_INIT_ARGS) 1810 { 1811 struct pfs_node *root; 1812 struct pfs_node *dir; 1813 struct pfs_node *sys; 1814 1815 root = pi->pi_root; 1816 1817 /* /proc/... */ 1818 pfs_create_file(root, "cmdline", &linprocfs_docmdline, 1819 NULL, NULL, NULL, PFS_RD); 1820 pfs_create_file(root, "cpuinfo", &linprocfs_docpuinfo, 1821 NULL, NULL, NULL, PFS_RD); 1822 pfs_create_file(root, "devices", &linprocfs_dodevices, 1823 NULL, NULL, NULL, PFS_RD); 1824 pfs_create_file(root, "filesystems", &linprocfs_dofilesystems, 1825 NULL, NULL, NULL, PFS_RD); 1826 pfs_create_file(root, "loadavg", &linprocfs_doloadavg, 1827 NULL, NULL, NULL, PFS_RD); 1828 pfs_create_file(root, "meminfo", &linprocfs_domeminfo, 1829 NULL, NULL, NULL, PFS_RD); 1830 pfs_create_file(root, "modules", &linprocfs_domodules, 1831 NULL, NULL, NULL, PFS_RD); 1832 pfs_create_file(root, "mounts", &linprocfs_domtab, 1833 NULL, NULL, NULL, PFS_RD); 1834 pfs_create_file(root, "mtab", &linprocfs_domtab, 1835 NULL, NULL, NULL, PFS_RD); 1836 pfs_create_file(root, "partitions", &linprocfs_dopartitions, 1837 NULL, NULL, NULL, PFS_RD); 1838 pfs_create_link(root, "self", &procfs_docurproc, 1839 NULL, NULL, NULL, 0); 1840 pfs_create_file(root, "stat", &linprocfs_dostat, 1841 NULL, NULL, NULL, PFS_RD); 1842 pfs_create_file(root, "swaps", &linprocfs_doswaps, 1843 NULL, NULL, NULL, PFS_RD); 1844 pfs_create_file(root, "uptime", &linprocfs_douptime, 1845 NULL, NULL, NULL, PFS_RD); 1846 pfs_create_file(root, "version", &linprocfs_doversion, 1847 NULL, NULL, NULL, PFS_RD); 1848 1849 /* /proc/bus/... */ 1850 dir = pfs_create_dir(root, "bus", NULL, NULL, NULL, 0); 1851 dir = pfs_create_dir(dir, "pci", NULL, NULL, NULL, 0); 1852 dir = pfs_create_dir(dir, "devices", NULL, NULL, NULL, 0); 1853 1854 /* /proc/net/... */ 1855 dir = pfs_create_dir(root, "net", NULL, NULL, NULL, 0); 1856 pfs_create_file(dir, "dev", &linprocfs_donetdev, 1857 NULL, NULL, NULL, PFS_RD); 1858 1859 /* /proc/<pid>/... */ 1860 dir = pfs_create_dir(root, "pid", NULL, NULL, NULL, PFS_PROCDEP); 1861 pfs_create_file(dir, "cmdline", &linprocfs_doproccmdline, 1862 NULL, NULL, NULL, PFS_RD); 1863 pfs_create_link(dir, "cwd", &linprocfs_doproccwd, 1864 NULL, NULL, NULL, 0); 1865 pfs_create_file(dir, "environ", &linprocfs_doprocenviron, 1866 NULL, &procfs_candebug, NULL, PFS_RD); 1867 pfs_create_link(dir, "exe", &procfs_doprocfile, 1868 NULL, &procfs_notsystem, NULL, 0); 1869 pfs_create_file(dir, "maps", &linprocfs_doprocmaps, 1870 NULL, NULL, NULL, PFS_RD); 1871 pfs_create_file(dir, "mem", &procfs_doprocmem, 1872 procfs_attr_rw, &procfs_candebug, NULL, PFS_RDWR | PFS_RAW); 1873 pfs_create_file(dir, "mounts", &linprocfs_domtab, 1874 NULL, NULL, NULL, PFS_RD); 1875 pfs_create_link(dir, "root", &linprocfs_doprocroot, 1876 NULL, NULL, NULL, 0); 1877 pfs_create_file(dir, "stat", &linprocfs_doprocstat, 1878 NULL, NULL, NULL, PFS_RD); 1879 pfs_create_file(dir, "statm", &linprocfs_doprocstatm, 1880 NULL, NULL, NULL, PFS_RD); 1881 pfs_create_file(dir, "status", &linprocfs_doprocstatus, 1882 NULL, NULL, NULL, PFS_RD); 1883 pfs_create_link(dir, "fd", &linprocfs_dofdescfs, 1884 NULL, NULL, NULL, 0); 1885 pfs_create_file(dir, "auxv", &linprocfs_doauxv, 1886 NULL, &procfs_candebug, NULL, PFS_RD|PFS_RAWRD); 1887 pfs_create_file(dir, "limits", &linprocfs_doproclimits, 1888 NULL, NULL, NULL, PFS_RD); 1889 1890 /* /proc/<pid>/task/... */ 1891 dir = pfs_create_dir(dir, "task", linprocfs_dotaskattr, NULL, NULL, 0); 1892 pfs_create_file(dir, ".dummy", &linprocfs_dotaskdummy, 1893 NULL, NULL, NULL, PFS_RD); 1894 1895 /* /proc/scsi/... */ 1896 dir = pfs_create_dir(root, "scsi", NULL, NULL, NULL, 0); 1897 pfs_create_file(dir, "device_info", &linprocfs_doscsidevinfo, 1898 NULL, NULL, NULL, PFS_RD); 1899 pfs_create_file(dir, "scsi", &linprocfs_doscsiscsi, 1900 NULL, NULL, NULL, PFS_RD); 1901 1902 /* /proc/sys/... */ 1903 sys = pfs_create_dir(root, "sys", NULL, NULL, NULL, 0); 1904 1905 /* /proc/sys/kernel/... */ 1906 dir = pfs_create_dir(sys, "kernel", NULL, NULL, NULL, 0); 1907 pfs_create_file(dir, "osrelease", &linprocfs_doosrelease, 1908 NULL, NULL, NULL, PFS_RD); 1909 pfs_create_file(dir, "ostype", &linprocfs_doostype, 1910 NULL, NULL, NULL, PFS_RD); 1911 pfs_create_file(dir, "version", &linprocfs_doosbuild, 1912 NULL, NULL, NULL, PFS_RD); 1913 pfs_create_file(dir, "msgmax", &linprocfs_domsgmax, 1914 NULL, NULL, NULL, PFS_RD); 1915 pfs_create_file(dir, "msgmni", &linprocfs_domsgmni, 1916 NULL, NULL, NULL, PFS_RD); 1917 pfs_create_file(dir, "msgmnb", &linprocfs_domsgmnb, 1918 NULL, NULL, NULL, PFS_RD); 1919 pfs_create_file(dir, "pid_max", &linprocfs_dopid_max, 1920 NULL, NULL, NULL, PFS_RD); 1921 pfs_create_file(dir, "sem", &linprocfs_dosem, 1922 NULL, NULL, NULL, PFS_RD); 1923 pfs_create_file(dir, "shmall", &linprocfs_doshmall, 1924 NULL, NULL, NULL, PFS_RD); 1925 pfs_create_file(dir, "shmmax", &linprocfs_doshmmax, 1926 NULL, NULL, NULL, PFS_RD); 1927 pfs_create_file(dir, "shmmni", &linprocfs_doshmmni, 1928 NULL, NULL, NULL, PFS_RD); 1929 pfs_create_file(dir, "tainted", &linprocfs_dotainted, 1930 NULL, NULL, NULL, PFS_RD); 1931 1932 /* /proc/sys/kernel/random/... */ 1933 dir = pfs_create_dir(dir, "random", NULL, NULL, NULL, 0); 1934 pfs_create_file(dir, "uuid", &linprocfs_douuid, 1935 NULL, NULL, NULL, PFS_RD); 1936 1937 /* /proc/sys/vm/.... */ 1938 dir = pfs_create_dir(sys, "vm", NULL, NULL, NULL, 0); 1939 pfs_create_file(dir, "min_free_kbytes", &linprocfs_dominfree, 1940 NULL, NULL, NULL, PFS_RD); 1941 1942 return (0); 1943 } 1944 1945 /* 1946 * Destructor 1947 */ 1948 static int 1949 linprocfs_uninit(PFS_INIT_ARGS) 1950 { 1951 1952 /* nothing to do, pseudofs will GC */ 1953 return (0); 1954 } 1955 1956 PSEUDOFS(linprocfs, 1, VFCF_JAIL); 1957 #if defined(__aarch64__) || defined(__amd64__) 1958 MODULE_DEPEND(linprocfs, linux_common, 1, 1, 1); 1959 #else 1960 MODULE_DEPEND(linprocfs, linux, 1, 1, 1); 1961 #endif 1962 MODULE_DEPEND(linprocfs, procfs, 1, 1, 1); 1963 MODULE_DEPEND(linprocfs, sysvmsg, 1, 1, 1); 1964 MODULE_DEPEND(linprocfs, sysvsem, 1, 1, 1); 1965 MODULE_DEPEND(linprocfs, sysvshm, 1, 1, 1);
Cache object: c8736373eab546caafa1800393a0597c
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