1/*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 2000 Dag-Erling Sm��rgrav 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 42#include "opt_inet.h" 43 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/blist.h> 47#include <sys/conf.h> 48#include <sys/exec.h> 49#include <sys/fcntl.h> 50#include <sys/filedesc.h> 51#include <sys/jail.h> 52#include <sys/kernel.h> 53#include <sys/limits.h> 54#include <sys/linker.h> 55#include <sys/lock.h> 56#include <sys/malloc.h> 57#include <sys/msg.h> 58#include <sys/mutex.h> 59#include <sys/namei.h> 60#include <sys/proc.h> 61#include <sys/ptrace.h> 62#include <sys/queue.h> 63#include <sys/resourcevar.h> 64#include <sys/resource.h> 65#include <sys/sbuf.h> 66#include <sys/sem.h> 67#include <sys/shm.h> 68#include <sys/smp.h> 69#include <sys/socket.h> 70#include <sys/syscallsubr.h> 71#include <sys/sysctl.h> 72#include <sys/sysent.h> 73#include <sys/time.h> 74#include <sys/tty.h> 75#include <sys/user.h> 76#include <sys/uuid.h> 77#include <sys/vmmeter.h> 78#include <sys/vnode.h> 79#include <sys/bus.h> 80#include <sys/uio.h> 81 82#include <net/if.h> 83#include <net/if_var.h> 84#include <net/if_types.h> 85 86#include <net/route.h> 87#include <net/route/nhop.h> 88#include <net/route/route_ctl.h> 89 90#include <vm/vm.h> 91#include <vm/vm_extern.h> 92#include <vm/pmap.h> 93#include <vm/vm_map.h> 94#include <vm/vm_param.h> 95#include <vm/vm_object.h> 96#include <vm/swap_pager.h> 97 98#include <machine/clock.h> 99 100#include <geom/geom.h> 101#include <geom/geom_int.h> 102 103#if defined(__i386__) || defined(__amd64__) 104#include <machine/cputypes.h> 105#include <machine/md_var.h> 106#endif /* __i386__ || __amd64__ */ 107 108#include <compat/linux/linux.h> 109#include <compat/linux/linux_common.h> 110#include <compat/linux/linux_emul.h> 111#include <compat/linux/linux_mib.h> 112#include <compat/linux/linux_misc.h> 113#include <compat/linux/linux_util.h> 114#include <fs/pseudofs/pseudofs.h> 115#include <fs/procfs/procfs.h> 116 117/* 118 * Various conversion macros 119 */ 120#define T2J(x) ((long)(((x) * 100ULL) / (stathz ? stathz : hz))) /* ticks to jiffies */ 121#define T2CS(x) ((unsigned long)(((x) * 100ULL) / (stathz ? stathz : hz))) /* ticks to centiseconds */ 122#define T2S(x) ((x) / (stathz ? stathz : hz)) /* ticks to seconds */ 123#define B2K(x) ((x) >> 10) /* bytes to kbytes */ 124#define B2P(x) ((x) >> PAGE_SHIFT) /* bytes to pages */ 125#define P2B(x) ((x) << PAGE_SHIFT) /* pages to bytes */ 126#define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* pages to kbytes */ 127#define TV2J(x) ((x)->tv_sec * 100UL + (x)->tv_usec / 10000) 128 129/** 130 * @brief Mapping of ki_stat in struct kinfo_proc to the linux state 131 * 132 * The linux procfs state field displays one of the characters RSDZTW to 133 * denote running, sleeping in an interruptible wait, waiting in an 134 * uninterruptible disk sleep, a zombie process, process is being traced 135 * or stopped, or process is paging respectively. 136 * 137 * Our struct kinfo_proc contains the variable ki_stat which contains a 138 * value out of SIDL, SRUN, SSLEEP, SSTOP, SZOMB, SWAIT and SLOCK. 139 * 140 * This character array is used with ki_stati-1 as an index and tries to 141 * map our states to suitable linux states. 142 */ 143static char linux_state[] = "RRSTZDD"; 144 145/* 146 * Filler function for proc/meminfo 147 */ 148static int 149linprocfs_domeminfo(PFS_FILL_ARGS) 150{ 151 unsigned long memtotal; /* total memory in bytes */ 152 unsigned long memfree; /* free memory in bytes */ 153 unsigned long cached; /* page cache */ 154 unsigned long buffers; /* buffer cache */ 155 unsigned long long swaptotal; /* total swap space in bytes */ 156 unsigned long long swapused; /* used swap space in bytes */ 157 unsigned long long swapfree; /* free swap space in bytes */ 158 size_t sz; 159 int error, i, j; 160 161 memtotal = physmem * PAGE_SIZE; 162 memfree = (unsigned long)vm_free_count() * PAGE_SIZE; 163 swap_pager_status(&i, &j); 164 swaptotal = (unsigned long long)i * PAGE_SIZE; 165 swapused = (unsigned long long)j * PAGE_SIZE; 166 swapfree = swaptotal - swapused; 167 168 /* 169 * This value may exclude wired pages, but we have no good way of 170 * accounting for that. 171 */ 172 cached = 173 (vm_active_count() + vm_inactive_count() + vm_laundry_count()) * 174 PAGE_SIZE; 175 176 sz = sizeof(buffers); 177 error = kernel_sysctlbyname(curthread, "vfs.bufspace", &buffers, &sz, 178 NULL, 0, 0, 0); 179 if (error != 0) 180 buffers = 0; 181 182 sbuf_printf(sb, 183 "MemTotal: %9lu kB\n" 184 "MemFree: %9lu kB\n" 185 "Buffers: %9lu kB\n" 186 "Cached: %9lu kB\n" 187 "SwapTotal:%9llu kB\n" 188 "SwapFree: %9llu kB\n", 189 B2K(memtotal), B2K(memfree), B2K(buffers), 190 B2K(cached), B2K(swaptotal), B2K(swapfree)); 191 192 return (0); 193} 194 195#if defined(__i386__) || defined(__amd64__) 196/* 197 * Filler function for proc/cpuinfo (i386 & amd64 version) 198 */ 199static int 200linprocfs_docpuinfo(PFS_FILL_ARGS) 201{ 202 uint64_t freq; 203 u_int cache_size[4]; 204 u_int regs[4] = { 0 }; 205 int fqmhz, fqkhz; 206 int i, j; 207 208 /* 209 * We default the flags to include all non-conflicting flags, 210 * and the Intel versions of conflicting flags. 211 */ 212 static char *cpu_feature_names[] = { 213 /* 0 */ "fpu", "vme", "de", "pse", 214 /* 4 */ "tsc", "msr", "pae", "mce", 215 /* 8 */ "cx8", "apic", "", "sep", 216 /* 12 */ "mtrr", "pge", "mca", "cmov", 217 /* 16 */ "pat", "pse36", "pn", "clflush", 218 /* 20 */ "", "dts", "acpi", "mmx", 219 /* 24 */ "fxsr", "sse", "sse2", "ss", 220 /* 28 */ "ht", "tm", "ia64", "pbe" 221 }; 222 223 static char *amd_feature_names[] = { 224 /* 0 */ "", "", "", "", 225 /* 4 */ "", "", "", "", 226 /* 8 */ "", "", "", "syscall", 227 /* 12 */ "", "", "", "", 228 /* 16 */ "", "", "", "mp", 229 /* 20 */ "nx", "", "mmxext", "", 230 /* 24 */ "", "fxsr_opt", "pdpe1gb", "rdtscp", 231 /* 28 */ "", "lm", "3dnowext", "3dnow" 232 }; 233 234 static char *cpu_feature2_names[] = { 235 /* 0 */ "pni", "pclmulqdq", "dtes64", "monitor", 236 /* 4 */ "ds_cpl", "vmx", "smx", "est", 237 /* 8 */ "tm2", "ssse3", "cid", "sdbg", 238 /* 12 */ "fma", "cx16", "xtpr", "pdcm", 239 /* 16 */ "", "pcid", "dca", "sse4_1", 240 /* 20 */ "sse4_2", "x2apic", "movbe", "popcnt", 241 /* 24 */ "tsc_deadline_timer", "aes", "xsave", "", 242 /* 28 */ "avx", "f16c", "rdrand", "hypervisor" 243 }; 244 245 static char *amd_feature2_names[] = { 246 /* 0 */ "lahf_lm", "cmp_legacy", "svm", "extapic", 247 /* 4 */ "cr8_legacy", "abm", "sse4a", "misalignsse", 248 /* 8 */ "3dnowprefetch", "osvw", "ibs", "xop", 249 /* 12 */ "skinit", "wdt", "", "lwp", 250 /* 16 */ "fma4", "tce", "", "nodeid_msr", 251 /* 20 */ "", "tbm", "topoext", "perfctr_core", 252 /* 24 */ "perfctr_nb", "", "bpext", "ptsc", 253 /* 28 */ "perfctr_llc", "mwaitx", "", "" 254 }; 255 256 static char *cpu_stdext_feature_names[] = { 257 /* 0 */ "fsgsbase", "tsc_adjust", "sgx", "bmi1", 258 /* 4 */ "hle", "avx2", "", "smep", 259 /* 8 */ "bmi2", "erms", "invpcid", "rtm", 260 /* 12 */ "cqm", "", "mpx", "rdt_a", 261 /* 16 */ "avx512f", "avx512dq", "rdseed", "adx", 262 /* 20 */ "smap", "avx512ifma", "", "clflushopt", 263 /* 24 */ "clwb", "intel_pt", "avx512pf", "avx512er", 264 /* 28 */ "avx512cd", "sha_ni", "avx512bw", "avx512vl" 265 }; 266 267 static char *cpu_stdext_feature2_names[] = { 268 /* 0 */ "prefetchwt1", "avx512vbmi", "umip", "pku", 269 /* 4 */ "ospke", "waitpkg", "avx512_vbmi2", "", 270 /* 8 */ "gfni", "vaes", "vpclmulqdq", "avx512_vnni", 271 /* 12 */ "avx512_bitalg", "", "avx512_vpopcntdq", "", 272 /* 16 */ "", "", "", "", 273 /* 20 */ "", "", "rdpid", "", 274 /* 24 */ "", "cldemote", "", "movdiri", 275 /* 28 */ "movdir64b", "enqcmd", "sgx_lc", "" 276 }; 277 278 static char *cpu_stdext_feature3_names[] = { 279 /* 0 */ "", "", "avx512_4vnniw", "avx512_4fmaps", 280 /* 4 */ "fsrm", "", "", "", 281 /* 8 */ "avx512_vp2intersect", "", "md_clear", "", 282 /* 12 */ "", "", "", "", 283 /* 16 */ "", "", "pconfig", "", 284 /* 20 */ "", "", "", "", 285 /* 24 */ "", "", "ibrs", "stibp", 286 /* 28 */ "flush_l1d", "arch_capabilities", "core_capabilities", "ssbd" 287 }; 288 289 static char *cpu_stdext_feature_l1_names[] = { 290 /* 0 */ "xsaveopt", "xsavec", "xgetbv1", "xsaves", 291 /* 4 */ "xfd" 292 }; 293 294 static char *power_flags[] = { 295 "ts", "fid", "vid", 296 "ttp", "tm", "stc", 297 "100mhzsteps", "hwpstate", "", 298 "cpb", "eff_freq_ro", "proc_feedback", 299 "acc_power", 300 }; 301 302#ifdef __i386__ 303 switch (cpu_vendor_id) { 304 case CPU_VENDOR_AMD: 305 if (cpu_class < CPUCLASS_686) 306 cpu_feature_names[16] = "fcmov"; 307 break; 308 case CPU_VENDOR_CYRIX: 309 cpu_feature_names[24] = "cxmmx"; 310 break; 311 } 312#endif 313 if (cpu_exthigh >= 0x80000006) 314 do_cpuid(0x80000006, cache_size); 315 else 316 memset(cache_size, 0, sizeof(cache_size)); 317 for (i = 0; i < mp_ncpus; ++i) { 318 fqmhz = 0; 319 fqkhz = 0; 320 freq = atomic_load_acq_64(&tsc_freq); 321 if (freq != 0) { 322 fqmhz = (freq + 4999) / 1000000; 323 fqkhz = ((freq + 4999) / 10000) % 100; 324 } 325 sbuf_printf(sb, 326 "processor\t: %d\n" 327 "vendor_id\t: %.20s\n" 328 "cpu family\t: %u\n" 329 "model\t\t: %u\n" 330 "model name\t: %s\n" 331 "stepping\t: %u\n" 332 "cpu MHz\t\t: %d.%02d\n" 333 "cache size\t: %d KB\n" 334 "physical id\t: %d\n" 335 "siblings\t: %d\n" 336 "core id\t\t: %d\n" 337 "cpu cores\t: %d\n" 338 "apicid\t\t: %d\n" 339 "initial apicid\t: %d\n" 340 "fpu\t\t: %s\n" 341 "fpu_exception\t: %s\n" 342 "cpuid level\t: %d\n" 343 "wp\t\t: %s\n", 344 i, cpu_vendor, CPUID_TO_FAMILY(cpu_id), 345 CPUID_TO_MODEL(cpu_id), cpu_model, cpu_id & CPUID_STEPPING, 346 fqmhz, fqkhz, 347 (cache_size[2] >> 16), 0, mp_ncpus, i, mp_ncpus, 348 i, i, /*cpu_id & CPUID_LOCAL_APIC_ID ??*/ 349 (cpu_feature & CPUID_FPU) ? "yes" : "no", "yes", 350 CPUID_TO_FAMILY(cpu_id), "yes"); 351 sbuf_cat(sb, "flags\t\t:"); 352 for (j = 0; j < nitems(cpu_feature_names); j++) 353 if (cpu_feature & (1 << j) && 354 cpu_feature_names[j][0] != '\0') 355 sbuf_printf(sb, " %s", cpu_feature_names[j]); 356 for (j = 0; j < nitems(amd_feature_names); j++) 357 if (amd_feature & (1 << j) && 358 amd_feature_names[j][0] != '\0') 359 sbuf_printf(sb, " %s", amd_feature_names[j]); 360 for (j = 0; j < nitems(cpu_feature2_names); j++) 361 if (cpu_feature2 & (1 << j) && 362 cpu_feature2_names[j][0] != '\0') 363 sbuf_printf(sb, " %s", cpu_feature2_names[j]); 364 for (j = 0; j < nitems(amd_feature2_names); j++) 365 if (amd_feature2 & (1 << j) && 366 amd_feature2_names[j][0] != '\0') 367 sbuf_printf(sb, " %s", amd_feature2_names[j]); 368 for (j = 0; j < nitems(cpu_stdext_feature_names); j++) 369 if (cpu_stdext_feature & (1 << j) && 370 cpu_stdext_feature_names[j][0] != '\0') 371 sbuf_printf(sb, " %s", 372 cpu_stdext_feature_names[j]); 373 if (tsc_is_invariant) 374 sbuf_cat(sb, " constant_tsc"); 375 for (j = 0; j < nitems(cpu_stdext_feature2_names); j++) 376 if (cpu_stdext_feature2 & (1 << j) && 377 cpu_stdext_feature2_names[j][0] != '\0') 378 sbuf_printf(sb, " %s", 379 cpu_stdext_feature2_names[j]); 380 for (j = 0; j < nitems(cpu_stdext_feature3_names); j++) 381 if (cpu_stdext_feature3 & (1 << j) && 382 cpu_stdext_feature3_names[j][0] != '\0') 383 sbuf_printf(sb, " %s", 384 cpu_stdext_feature3_names[j]); 385 if ((cpu_feature2 & CPUID2_XSAVE) != 0) { 386 cpuid_count(0xd, 0x1, regs); 387 for (j = 0; j < nitems(cpu_stdext_feature_l1_names); j++) 388 if (regs[0] & (1 << j) && 389 cpu_stdext_feature_l1_names[j][0] != '\0') 390 sbuf_printf(sb, " %s", 391 cpu_stdext_feature_l1_names[j]); 392 } 393 sbuf_cat(sb, "\n"); 394 sbuf_printf(sb, 395 "bugs\t\t: %s\n" 396 "bogomips\t: %d.%02d\n" 397 "clflush size\t: %d\n" 398 "cache_alignment\t: %d\n" 399 "address sizes\t: %d bits physical, %d bits virtual\n", 400#if defined(I586_CPU) && !defined(NO_F00F_HACK) 401 (has_f00f_bug) ? "Intel F00F" : "", 402#else 403 "", 404#endif 405 fqmhz * 2, fqkhz, 406 cpu_clflush_line_size, cpu_clflush_line_size, 407 cpu_maxphyaddr, 408 (cpu_maxphyaddr > 32) ? 48 : 0); 409 sbuf_cat(sb, "power management: "); 410 for (j = 0; j < nitems(power_flags); j++) 411 if (amd_pminfo & (1 << j)) 412 sbuf_printf(sb, " %s", power_flags[j]); 413 sbuf_cat(sb, "\n\n"); 414 415 /* XXX per-cpu vendor / class / model / id? */ 416 } 417 sbuf_cat(sb, "\n"); 418 419 return (0); 420} 421#else 422/* ARM64TODO: implement non-stubbed linprocfs_docpuinfo */ 423static int 424linprocfs_docpuinfo(PFS_FILL_ARGS) 425{ 426 int i; 427 428 for (i = 0; i < mp_ncpus; ++i) { 429 sbuf_printf(sb, 430 "processor\t: %d\n" 431 "BogoMIPS\t: %d.%02d\n", 432 i, 0, 0); 433 sbuf_cat(sb, "Features\t: "); 434 sbuf_cat(sb, "\n"); 435 sbuf_printf(sb, 436 "CPU implementer\t: \n" 437 "CPU architecture: \n" 438 "CPU variant\t: 0x%x\n" 439 "CPU part\t: 0x%x\n" 440 "CPU revision\t: %d\n", 441 0, 0, 0); 442 sbuf_cat(sb, "\n"); 443 } 444 445 return (0); 446} 447#endif /* __i386__ || __amd64__ */ 448 449static const char *path_slash_sys = "/sys"; 450static const char *fstype_sysfs = "sysfs"; 451 452static int 453_mtab_helper(const struct pfs_node *pn, const struct statfs *sp, 454 const char **mntfrom, const char **mntto, const char **fstype) 455{ 456 /* determine device name */ 457 *mntfrom = sp->f_mntfromname; 458 459 /* determine mount point */ 460 *mntto = sp->f_mntonname; 461 462 /* determine fs type */ 463 *fstype = sp->f_fstypename; 464 if (strcmp(*fstype, pn->pn_info->pi_name) == 0) 465 *mntfrom = *fstype = "proc"; 466 else if (strcmp(*fstype, "procfs") == 0) 467 return (ECANCELED); 468 469 if (strcmp(*fstype, "autofs") == 0) { 470 /* 471 * FreeBSD uses eg "map -hosts", whereas Linux 472 * expects just "-hosts". 473 */ 474 if (strncmp(*mntfrom, "map ", 4) == 0) 475 *mntfrom += 4; 476 } 477 478 if (strcmp(*fstype, "linsysfs") == 0) { 479 *mntfrom = path_slash_sys; 480 *fstype = fstype_sysfs; 481 } else { 482 /* For Linux msdosfs is called vfat */ 483 if (strcmp(*fstype, "msdosfs") == 0) 484 *fstype = "vfat"; 485 } 486 return (0); 487} 488 489static void 490_sbuf_mntoptions_helper(struct sbuf *sb, uint64_t f_flags) 491{ 492 sbuf_cat(sb, (f_flags & MNT_RDONLY) ? "ro" : "rw"); 493#define ADD_OPTION(opt, name) \ 494 if (f_flags & (opt)) sbuf_cat(sb, "," name); 495 ADD_OPTION(MNT_SYNCHRONOUS, "sync"); 496 ADD_OPTION(MNT_NOEXEC, "noexec"); 497 ADD_OPTION(MNT_NOSUID, "nosuid"); 498 ADD_OPTION(MNT_UNION, "union"); 499 ADD_OPTION(MNT_ASYNC, "async"); 500 ADD_OPTION(MNT_SUIDDIR, "suiddir"); 501 ADD_OPTION(MNT_NOSYMFOLLOW, "nosymfollow"); 502 ADD_OPTION(MNT_NOATIME, "noatime"); 503#undef ADD_OPTION 504} 505 506/* 507 * Filler function for proc/mtab and proc/<pid>/mounts. 508 * 509 * /proc/mtab doesn't exist in Linux' procfs, but is included here so 510 * users can symlink /compat/linux/etc/mtab to /proc/mtab 511 */ 512static int 513linprocfs_domtab(PFS_FILL_ARGS) 514{ 515 const char *mntto, *mntfrom, *fstype; 516 char *dlep, *flep; 517 struct vnode *vp; 518 struct pwd *pwd; 519 size_t lep_len; 520 int error; 521 struct statfs *buf, *sp; 522 size_t count; 523 524 /* 525 * Resolve emulation tree prefix 526 */ 527 flep = NULL; 528 pwd = pwd_hold(td); 529 vp = pwd->pwd_adir; 530 error = vn_fullpath_global(vp, &dlep, &flep); 531 pwd_drop(pwd); 532 if (error != 0) 533 return (error); 534 lep_len = strlen(dlep); 535 536 buf = NULL; 537 error = kern_getfsstat(td, &buf, SIZE_T_MAX, &count, 538 UIO_SYSSPACE, MNT_WAIT); 539 if (error != 0) { 540 free(buf, M_TEMP); 541 free(flep, M_TEMP); 542 return (error); 543 } 544 545 for (sp = buf; count > 0; sp++, count--) { 546 error = _mtab_helper(pn, sp, &mntfrom, &mntto, &fstype); 547 if (error != 0) { 548 MPASS(error == ECANCELED); 549 continue; 550 } 551 552 /* determine mount point */ 553 if (strncmp(mntto, dlep, lep_len) == 0 && mntto[lep_len] == '/') 554 mntto += lep_len; 555 556 sbuf_printf(sb, "%s %s %s ", mntfrom, mntto, fstype); 557 _sbuf_mntoptions_helper(sb, sp->f_flags); 558 /* a real Linux mtab will also show NFS options */ 559 sbuf_printf(sb, " 0 0\n"); 560 } 561 562 free(buf, M_TEMP); 563 free(flep, M_TEMP); 564 return (error); 565} 566 567static int 568linprocfs_doprocmountinfo(PFS_FILL_ARGS) 569{ 570 const char *mntfrom, *mntto, *fstype; 571 char *dlep, *flep; 572 struct statfs *buf, *sp; 573 size_t count, lep_len; 574 struct vnode *vp; 575 struct pwd *pwd; 576 int error; 577 578 /* 579 * Resolve emulation tree prefix 580 */ 581 flep = NULL; 582 pwd = pwd_hold(td); 583 vp = pwd->pwd_adir; 584 error = vn_fullpath_global(vp, &dlep, &flep); 585 pwd_drop(pwd); 586 if (error != 0) 587 return (error); 588 lep_len = strlen(dlep); 589 590 buf = NULL; 591 error = kern_getfsstat(td, &buf, SIZE_T_MAX, &count, 592 UIO_SYSSPACE, MNT_WAIT); 593 if (error != 0) 594 goto out; 595 596 for (sp = buf; count > 0; sp++, count--) { 597 error = _mtab_helper(pn, sp, &mntfrom, &mntto, &fstype); 598 if (error != 0) { 599 MPASS(error == ECANCELED); 600 continue; 601 } 602 603 if (strncmp(mntto, dlep, lep_len) == 0 && mntto[lep_len] == '/') 604 mntto += lep_len; 605#if 0 606 /* 607 * If the prefix is a chroot, and this mountpoint is not under 608 * the prefix, we should skip it. Leave it for now for 609 * consistency with procmtab above. 610 */ 611 else 612 continue; 613#endif 614 615 /* 616 * (1) mount id 617 * 618 * (2) parent mount id -- we don't have this cheaply, so 619 * provide a dummy value 620 * 621 * (3) major:minor -- ditto 622 * 623 * (4) root filesystem mount -- probably a namespaces thing 624 * 625 * (5) mountto path 626 */ 627 sbuf_printf(sb, "%u 0 0:0 / %s ", 628 sp->f_fsid.val[0] ^ sp->f_fsid.val[1], mntto); 629 /* (6) mount options */ 630 _sbuf_mntoptions_helper(sb, sp->f_flags); 631 /* 632 * (7) zero or more optional fields -- again, namespace related 633 * 634 * (8) End of variable length fields separator ("-") 635 * 636 * (9) fstype 637 * 638 * (10) mount from 639 * 640 * (11) "superblock" options -- like (6), but different 641 * semantics in Linux 642 */ 643 sbuf_printf(sb, " - %s %s %s\n", fstype, mntfrom, 644 (sp->f_flags & MNT_RDONLY) ? "ro" : "rw"); 645 } 646 647 error = 0; 648out: 649 free(buf, M_TEMP); 650 free(flep, M_TEMP); 651 return (error); 652} 653 654/* 655 * Filler function for proc/partitions 656 */ 657static int 658linprocfs_dopartitions(PFS_FILL_ARGS) 659{ 660 struct g_class *cp; 661 struct g_geom *gp; 662 struct g_provider *pp; 663 int major, minor; 664 665 g_topology_lock(); 666 sbuf_printf(sb, "major minor #blocks name rio rmerge rsect " 667 "ruse wio wmerge wsect wuse running use aveq\n"); 668 669 LIST_FOREACH(cp, &g_classes, class) { 670 if (strcmp(cp->name, "DISK") == 0 || 671 strcmp(cp->name, "PART") == 0) 672 LIST_FOREACH(gp, &cp->geom, geom) { 673 LIST_FOREACH(pp, &gp->provider, provider) { 674 if (linux_driver_get_major_minor( 675 pp->name, &major, &minor) != 0) { 676 major = 0; 677 minor = 0; 678 } 679 sbuf_printf(sb, "%d %d %lld %s " 680 "%d %d %d %d %d " 681 "%d %d %d %d %d %d\n", 682 major, minor, 683 (long long)pp->mediasize, pp->name, 684 0, 0, 0, 0, 0, 685 0, 0, 0, 0, 0, 0); 686 } 687 } 688 } 689 g_topology_unlock(); 690 691 return (0); 692} 693 694/* 695 * Filler function for proc/stat 696 * 697 * Output depends on kernel version: 698 * 699 * v2.5.40 <= 700 * user nice system idle 701 * v2.5.41 702 * user nice system idle iowait 703 * v2.6.11 704 * user nice system idle iowait irq softirq steal 705 * v2.6.24 706 * user nice system idle iowait irq softirq steal guest 707 * v2.6.33 >= 708 * user nice system idle iowait irq softirq steal guest guest_nice 709 */ 710static int 711linprocfs_dostat(PFS_FILL_ARGS) 712{ 713 struct pcpu *pcpu; 714 long cp_time[CPUSTATES]; 715 long *cp; 716 struct timeval boottime; 717 int i; 718 char *zero_pad; 719 bool has_intr = true; 720 721 if (linux_kernver(td) >= LINUX_KERNVER(2,6,33)) { 722 zero_pad = " 0 0 0 0\n"; 723 } else if (linux_kernver(td) >= LINUX_KERNVER(2,6,24)) { 724 zero_pad = " 0 0 0\n"; 725 } else if (linux_kernver(td) >= LINUX_KERNVER(2,6,11)) { 726 zero_pad = " 0 0\n"; 727 } else if (linux_kernver(td) >= LINUX_KERNVER(2,5,41)) { 728 has_intr = false; 729 zero_pad = " 0\n"; 730 } else { 731 has_intr = false; 732 zero_pad = "\n"; 733 } 734 735 read_cpu_time(cp_time); 736 getboottime(&boottime); 737 /* Parameters common to all versions */ 738 sbuf_printf(sb, "cpu %lu %lu %lu %lu", 739 T2J(cp_time[CP_USER]), 740 T2J(cp_time[CP_NICE]), 741 T2J(cp_time[CP_SYS]), 742 T2J(cp_time[CP_IDLE])); 743 744 /* Print interrupt stats if available */ 745 if (has_intr) { 746 sbuf_printf(sb, " 0 %lu", T2J(cp_time[CP_INTR])); 747 } 748 749 /* Pad out remaining fields depending on version */ 750 sbuf_printf(sb, "%s", zero_pad); 751 752 CPU_FOREACH(i) { 753 pcpu = pcpu_find(i); 754 cp = pcpu->pc_cp_time; 755 sbuf_printf(sb, "cpu%d %lu %lu %lu %lu", i, 756 T2J(cp[CP_USER]), 757 T2J(cp[CP_NICE]), 758 T2J(cp[CP_SYS]), 759 T2J(cp[CP_IDLE])); 760 761 if (has_intr) { 762 sbuf_printf(sb, " 0 %lu", T2J(cp[CP_INTR])); 763 } 764 765 sbuf_printf(sb, "%s", zero_pad); 766 } 767 sbuf_printf(sb, 768 "disk 0 0 0 0\n" 769 "page %ju %ju\n" 770 "swap %ju %ju\n" 771 "intr %ju\n" 772 "ctxt %ju\n" 773 "btime %lld\n", 774 (uintmax_t)VM_CNT_FETCH(v_vnodepgsin), 775 (uintmax_t)VM_CNT_FETCH(v_vnodepgsout), 776 (uintmax_t)VM_CNT_FETCH(v_swappgsin), 777 (uintmax_t)VM_CNT_FETCH(v_swappgsout), 778 (uintmax_t)VM_CNT_FETCH(v_intr), 779 (uintmax_t)VM_CNT_FETCH(v_swtch), 780 (long long)boottime.tv_sec); 781 return (0); 782} 783 784static int 785linprocfs_doswaps(PFS_FILL_ARGS) 786{ 787 struct xswdev xsw; 788 uintmax_t total, used; 789 int n; 790 char devname[SPECNAMELEN + 1]; 791 792 sbuf_printf(sb, "Filename\t\t\t\tType\t\tSize\tUsed\tPriority\n"); 793 for (n = 0; ; n++) { 794 if (swap_dev_info(n, &xsw, devname, sizeof(devname)) != 0) 795 break; 796 total = (uintmax_t)xsw.xsw_nblks * PAGE_SIZE / 1024; 797 used = (uintmax_t)xsw.xsw_used * PAGE_SIZE / 1024; 798 799 /* 800 * The space and not tab after the device name is on 801 * purpose. Linux does so. 802 */ 803 sbuf_printf(sb, "/dev/%-34s unknown\t\t%jd\t%jd\t-1\n", 804 devname, total, used); 805 } 806 return (0); 807} 808 809/* 810 * Filler function for proc/uptime 811 */ 812static int 813linprocfs_douptime(PFS_FILL_ARGS) 814{ 815 long cp_time[CPUSTATES]; 816 struct timeval tv; 817 818 getmicrouptime(&tv); 819 read_cpu_time(cp_time); 820 sbuf_printf(sb, "%lld.%02ld %ld.%02lu\n", 821 (long long)tv.tv_sec, tv.tv_usec / 10000, 822 T2S(cp_time[CP_IDLE] / mp_ncpus), 823 T2CS(cp_time[CP_IDLE] / mp_ncpus) % 100); 824 return (0); 825} 826 827/* 828 * Get OS build date 829 */ 830static void 831linprocfs_osbuild(struct thread *td, struct sbuf *sb) 832{ 833#if 0 834 char osbuild[256]; 835 char *cp1, *cp2; 836 837 strncpy(osbuild, version, 256); 838 osbuild[255] = '\0'; 839 cp1 = strstr(osbuild, "\n"); 840 cp2 = strstr(osbuild, ":"); 841 if (cp1 && cp2) { 842 *cp1 = *cp2 = '\0'; 843 cp1 = strstr(osbuild, "#"); 844 } else 845 cp1 = NULL; 846 if (cp1) 847 sbuf_printf(sb, "%s%s", cp1, cp2 + 1); 848 else 849#endif 850 sbuf_cat(sb, "#4 Sun Dec 18 04:30:00 CET 1977"); 851} 852 853/* 854 * Get OS builder 855 */ 856static void 857linprocfs_osbuilder(struct thread *td, struct sbuf *sb) 858{ 859#if 0 860 char builder[256]; 861 char *cp; 862 863 cp = strstr(version, "\n "); 864 if (cp) { 865 strncpy(builder, cp + 5, 256); 866 builder[255] = '\0'; 867 cp = strstr(builder, ":"); 868 if (cp) 869 *cp = '\0'; 870 } 871 if (cp) 872 sbuf_cat(sb, builder); 873 else 874#endif 875 sbuf_cat(sb, "des@freebsd.org"); 876} 877 878/* 879 * Filler function for proc/version 880 */ 881static int 882linprocfs_doversion(PFS_FILL_ARGS) 883{ 884 char osname[LINUX_MAX_UTSNAME]; 885 char osrelease[LINUX_MAX_UTSNAME]; 886 887 linux_get_osname(td, osname); 888 linux_get_osrelease(td, osrelease); 889 sbuf_printf(sb, "%s version %s (", osname, osrelease); 890 linprocfs_osbuilder(td, sb); 891 sbuf_cat(sb, ") (gcc version " __VERSION__ ") "); 892 linprocfs_osbuild(td, sb); 893 sbuf_cat(sb, "\n"); 894 895 return (0); 896} 897 898/* 899 * Filler function for proc/loadavg 900 */ 901static int 902linprocfs_doloadavg(PFS_FILL_ARGS) 903{ 904 905 sbuf_printf(sb, 906 "%d.%02d %d.%02d %d.%02d %d/%d %d\n", 907 (int)(averunnable.ldavg[0] / averunnable.fscale), 908 (int)(averunnable.ldavg[0] * 100 / averunnable.fscale % 100), 909 (int)(averunnable.ldavg[1] / averunnable.fscale), 910 (int)(averunnable.ldavg[1] * 100 / averunnable.fscale % 100), 911 (int)(averunnable.ldavg[2] / averunnable.fscale), 912 (int)(averunnable.ldavg[2] * 100 / averunnable.fscale % 100), 913 1, /* number of running tasks */ 914 nprocs, /* number of tasks */ 915 lastpid /* the last pid */ 916 ); 917 return (0); 918} 919 920static int 921linprocfs_get_tty_nr(struct proc *p) 922{ 923 struct session *sp; 924 const char *ttyname; 925 int error, major, minor, nr; 926 927 PROC_LOCK_ASSERT(p, MA_OWNED); 928 sx_assert(&proctree_lock, SX_LOCKED); 929 930 if ((p->p_flag & P_CONTROLT) == 0) 931 return (-1); 932 933 sp = p->p_pgrp->pg_session; 934 if (sp == NULL) 935 return (-1); 936 937 ttyname = devtoname(sp->s_ttyp->t_dev); 938 error = linux_driver_get_major_minor(ttyname, &major, &minor); 939 if (error != 0) 940 return (-1); 941 942 nr = makedev(major, minor); 943 return (nr); 944} 945 946/* 947 * Filler function for proc/pid/stat 948 */ 949static int 950linprocfs_doprocstat(PFS_FILL_ARGS) 951{ 952 struct kinfo_proc kp; 953 struct timeval boottime; 954 char state; 955 static int ratelimit = 0; 956 int tty_nr; 957 vm_offset_t startcode, startdata; 958 959 getboottime(&boottime); 960 sx_slock(&proctree_lock); 961 PROC_LOCK(p); 962 fill_kinfo_proc(p, &kp); 963 tty_nr = linprocfs_get_tty_nr(p); 964 sx_sunlock(&proctree_lock); 965 if (p->p_vmspace) { 966 startcode = (vm_offset_t)p->p_vmspace->vm_taddr; 967 startdata = (vm_offset_t)p->p_vmspace->vm_daddr; 968 } else { 969 startcode = 0; 970 startdata = 0; 971 } 972 sbuf_printf(sb, "%d", p->p_pid); 973#define PS_ADD(name, fmt, arg) sbuf_printf(sb, " " fmt, arg) 974 PS_ADD("comm", "(%s)", p->p_comm); 975 if (kp.ki_stat > sizeof(linux_state)) { 976 state = 'R'; 977 978 if (ratelimit == 0) { 979 printf("linprocfs: don't know how to handle unknown FreeBSD state %d/%zd, mapping to R\n", 980 kp.ki_stat, sizeof(linux_state)); 981 ++ratelimit; 982 } 983 } else 984 state = linux_state[kp.ki_stat - 1]; 985 PS_ADD("state", "%c", state); 986 PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0); 987 PS_ADD("pgrp", "%d", p->p_pgid); 988 PS_ADD("session", "%d", p->p_session->s_sid); 989 PROC_UNLOCK(p); 990 PS_ADD("tty", "%d", tty_nr); 991 PS_ADD("tpgid", "%d", kp.ki_tpgid); 992 PS_ADD("flags", "%u", 0); /* XXX */ 993 PS_ADD("minflt", "%lu", kp.ki_rusage.ru_minflt); 994 PS_ADD("cminflt", "%lu", kp.ki_rusage_ch.ru_minflt); 995 PS_ADD("majflt", "%lu", kp.ki_rusage.ru_majflt); 996 PS_ADD("cmajflt", "%lu", kp.ki_rusage_ch.ru_majflt); 997 PS_ADD("utime", "%ld", TV2J(&kp.ki_rusage.ru_utime)); 998 PS_ADD("stime", "%ld", TV2J(&kp.ki_rusage.ru_stime)); 999 PS_ADD("cutime", "%ld", TV2J(&kp.ki_rusage_ch.ru_utime)); 1000 PS_ADD("cstime", "%ld", TV2J(&kp.ki_rusage_ch.ru_stime)); 1001 PS_ADD("priority", "%d", kp.ki_pri.pri_user); 1002 PS_ADD("nice", "%d", kp.ki_nice); /* 19 (nicest) to -19 */ 1003 PS_ADD("0", "%d", 0); /* removed field */ 1004 PS_ADD("itrealvalue", "%d", 0); /* XXX */ 1005 PS_ADD("starttime", "%lu", TV2J(&kp.ki_start) - TV2J(&boottime)); 1006 PS_ADD("vsize", "%ju", (uintmax_t)kp.ki_size); 1007 PS_ADD("rss", "%ju", (uintmax_t)kp.ki_rssize); 1008 PS_ADD("rlim", "%lu", kp.ki_rusage.ru_maxrss); 1009 PS_ADD("startcode", "%ju", (uintmax_t)startcode); 1010 PS_ADD("endcode", "%ju", (uintmax_t)startdata); 1011 PS_ADD("startstack", "%u", 0); /* XXX */ 1012 PS_ADD("kstkesp", "%u", 0); /* XXX */ 1013 PS_ADD("kstkeip", "%u", 0); /* XXX */ 1014 PS_ADD("signal", "%u", 0); /* XXX */ 1015 PS_ADD("blocked", "%u", 0); /* XXX */ 1016 PS_ADD("sigignore", "%u", 0); /* XXX */ 1017 PS_ADD("sigcatch", "%u", 0); /* XXX */ 1018 PS_ADD("wchan", "%u", 0); /* XXX */ 1019 PS_ADD("nswap", "%lu", kp.ki_rusage.ru_nswap); 1020 PS_ADD("cnswap", "%lu", kp.ki_rusage_ch.ru_nswap); 1021 PS_ADD("exitsignal", "%d", 0); /* XXX */ 1022 PS_ADD("processor", "%u", kp.ki_lastcpu); 1023 PS_ADD("rt_priority", "%u", 0); /* XXX */ /* >= 2.5.19 */ 1024 PS_ADD("policy", "%u", kp.ki_pri.pri_class); /* >= 2.5.19 */ 1025#undef PS_ADD 1026 sbuf_putc(sb, '\n'); 1027 1028 return (0); 1029} 1030 1031/* 1032 * Filler function for proc/pid/statm 1033 */ 1034static int 1035linprocfs_doprocstatm(PFS_FILL_ARGS) 1036{ 1037 struct kinfo_proc kp; 1038 segsz_t lsize; 1039 1040 sx_slock(&proctree_lock); 1041 PROC_LOCK(p); 1042 fill_kinfo_proc(p, &kp); 1043 PROC_UNLOCK(p); 1044 sx_sunlock(&proctree_lock); 1045 1046 /* 1047 * See comments in linprocfs_doprocstatus() regarding the 1048 * computation of lsize. 1049 */ 1050 /* size resident share trs drs lrs dt */ 1051 sbuf_printf(sb, "%ju ", B2P((uintmax_t)kp.ki_size)); 1052 sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_rssize); 1053 sbuf_printf(sb, "%ju ", (uintmax_t)0); /* XXX */ 1054 sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_tsize); 1055 sbuf_printf(sb, "%ju ", (uintmax_t)(kp.ki_dsize + kp.ki_ssize)); 1056 lsize = B2P(kp.ki_size) - kp.ki_dsize - 1057 kp.ki_ssize - kp.ki_tsize - 1; 1058 sbuf_printf(sb, "%ju ", (uintmax_t)lsize); 1059 sbuf_printf(sb, "%ju\n", (uintmax_t)0); /* XXX */ 1060 1061 return (0); 1062} 1063 1064/* 1065 * Filler function for proc/pid/status 1066 */ 1067static int 1068linprocfs_doprocstatus(PFS_FILL_ARGS) 1069{ 1070 struct kinfo_proc kp; 1071 char *state; 1072 segsz_t lsize; 1073 struct thread *td2; 1074 struct sigacts *ps; 1075 l_sigset_t siglist, sigignore, sigcatch; 1076 int i; 1077 1078 sx_slock(&proctree_lock); 1079 PROC_LOCK(p); 1080 td2 = FIRST_THREAD_IN_PROC(p); 1081 1082 if (P_SHOULDSTOP(p)) { 1083 state = "T (stopped)"; 1084 } else { 1085 switch(p->p_state) { 1086 case PRS_NEW: 1087 state = "I (idle)"; 1088 break; 1089 case PRS_NORMAL: 1090 if (p->p_flag & P_WEXIT) { 1091 state = "X (exiting)"; 1092 break; 1093 } 1094 switch(TD_GET_STATE(td2)) { 1095 case TDS_INHIBITED: 1096 state = "S (sleeping)"; 1097 break; 1098 case TDS_RUNQ: 1099 case TDS_RUNNING: 1100 state = "R (running)"; 1101 break; 1102 default: 1103 state = "? (unknown)"; 1104 break; 1105 } 1106 break; 1107 case PRS_ZOMBIE: 1108 state = "Z (zombie)"; 1109 break; 1110 default: 1111 state = "? (unknown)"; 1112 break; 1113 } 1114 } 1115 1116 fill_kinfo_proc(p, &kp); 1117 sx_sunlock(&proctree_lock); 1118 1119 sbuf_printf(sb, "Name:\t%s\n", p->p_comm); /* XXX escape */ 1120 sbuf_printf(sb, "State:\t%s\n", state); 1121 1122 /* 1123 * Credentials 1124 */ 1125 sbuf_printf(sb, "Tgid:\t%d\n", p->p_pid); 1126 sbuf_printf(sb, "Pid:\t%d\n", p->p_pid); 1127 sbuf_printf(sb, "PPid:\t%d\n", kp.ki_ppid ); 1128 sbuf_printf(sb, "TracerPid:\t%d\n", kp.ki_tracer ); 1129 sbuf_printf(sb, "Uid:\t%d\t%d\t%d\t%d\n", p->p_ucred->cr_ruid, 1130 p->p_ucred->cr_uid, 1131 p->p_ucred->cr_svuid, 1132 /* FreeBSD doesn't have fsuid */ 1133 p->p_ucred->cr_uid); 1134 sbuf_printf(sb, "Gid:\t%d\t%d\t%d\t%d\n", p->p_ucred->cr_rgid, 1135 p->p_ucred->cr_gid, 1136 p->p_ucred->cr_svgid, 1137 /* FreeBSD doesn't have fsgid */ 1138 p->p_ucred->cr_gid); 1139 sbuf_cat(sb, "Groups:\t"); 1140 for (i = 0; i < p->p_ucred->cr_ngroups; i++) 1141 sbuf_printf(sb, "%d ", p->p_ucred->cr_groups[i]); 1142 PROC_UNLOCK(p); 1143 sbuf_putc(sb, '\n'); 1144 1145 /* 1146 * Memory 1147 * 1148 * While our approximation of VmLib may not be accurate (I 1149 * don't know of a simple way to verify it, and I'm not sure 1150 * it has much meaning anyway), I believe it's good enough. 1151 * 1152 * The same code that could (I think) accurately compute VmLib 1153 * could also compute VmLck, but I don't really care enough to 1154 * implement it. Submissions are welcome. 1155 */ 1156 sbuf_printf(sb, "VmSize:\t%8ju kB\n", B2K((uintmax_t)kp.ki_size)); 1157 sbuf_printf(sb, "VmLck:\t%8u kB\n", P2K(0)); /* XXX */ 1158 sbuf_printf(sb, "VmRSS:\t%8ju kB\n", P2K((uintmax_t)kp.ki_rssize)); 1159 sbuf_printf(sb, "VmData:\t%8ju kB\n", P2K((uintmax_t)kp.ki_dsize)); 1160 sbuf_printf(sb, "VmStk:\t%8ju kB\n", P2K((uintmax_t)kp.ki_ssize)); 1161 sbuf_printf(sb, "VmExe:\t%8ju kB\n", P2K((uintmax_t)kp.ki_tsize)); 1162 lsize = B2P(kp.ki_size) - kp.ki_dsize - 1163 kp.ki_ssize - kp.ki_tsize - 1; 1164 sbuf_printf(sb, "VmLib:\t%8ju kB\n", P2K((uintmax_t)lsize)); 1165 1166 /* 1167 * Signal masks 1168 */ 1169 PROC_LOCK(p); 1170 bsd_to_linux_sigset(&p->p_siglist, &siglist); 1171 ps = p->p_sigacts; 1172 mtx_lock(&ps->ps_mtx); 1173 bsd_to_linux_sigset(&ps->ps_sigignore, &sigignore); 1174 bsd_to_linux_sigset(&ps->ps_sigcatch, &sigcatch); 1175 mtx_unlock(&ps->ps_mtx); 1176 PROC_UNLOCK(p); 1177 1178 sbuf_printf(sb, "SigPnd:\t%016jx\n", siglist.__mask); 1179 /* 1180 * XXX. SigBlk - target thread's signal mask, td_sigmask. 1181 * To implement SigBlk pseudofs should support proc/tid dir entries. 1182 */ 1183 sbuf_printf(sb, "SigBlk:\t%016x\n", 0); 1184 sbuf_printf(sb, "SigIgn:\t%016jx\n", sigignore.__mask); 1185 sbuf_printf(sb, "SigCgt:\t%016jx\n", sigcatch.__mask); 1186 1187 /* 1188 * Linux also prints the capability masks, but we don't have 1189 * capabilities yet, and when we do get them they're likely to 1190 * be meaningless to Linux programs, so we lie. XXX 1191 */ 1192 sbuf_printf(sb, "CapInh:\t%016x\n", 0); 1193 sbuf_printf(sb, "CapPrm:\t%016x\n", 0); 1194 sbuf_printf(sb, "CapEff:\t%016x\n", 0); 1195 1196 return (0); 1197} 1198 1199/* 1200 * Filler function for proc/pid/cwd 1201 */ 1202static int 1203linprocfs_doproccwd(PFS_FILL_ARGS) 1204{ 1205 struct pwd *pwd; 1206 char *fullpath = "unknown"; 1207 char *freepath = NULL; 1208 1209 pwd = pwd_hold_proc(p); 1210 vn_fullpath(pwd->pwd_cdir, &fullpath, &freepath); 1211 sbuf_printf(sb, "%s", fullpath); 1212 if (freepath) 1213 free(freepath, M_TEMP); 1214 pwd_drop(pwd); 1215 return (0); 1216} 1217 1218/* 1219 * Filler function for proc/pid/root 1220 */ 1221static int 1222linprocfs_doprocroot(PFS_FILL_ARGS) 1223{ 1224 struct pwd *pwd; 1225 struct vnode *vp; 1226 char *fullpath = "unknown"; 1227 char *freepath = NULL; 1228 1229 pwd = pwd_hold_proc(p); 1230 vp = jailed(p->p_ucred) ? pwd->pwd_jdir : pwd->pwd_rdir; 1231 vn_fullpath(vp, &fullpath, &freepath); 1232 sbuf_printf(sb, "%s", fullpath); 1233 if (freepath) 1234 free(freepath, M_TEMP); 1235 pwd_drop(pwd); 1236 return (0); 1237} 1238 1239/* 1240 * Filler function for proc/pid/cmdline 1241 */ 1242static int 1243linprocfs_doproccmdline(PFS_FILL_ARGS) 1244{ 1245 int ret; 1246 1247 PROC_LOCK(p); 1248 if ((ret = p_cansee(td, p)) != 0) { 1249 PROC_UNLOCK(p); 1250 return (ret); 1251 } 1252 1253 /* 1254 * Mimic linux behavior and pass only processes with usermode 1255 * address space as valid. Return zero silently otherwize. 1256 */ 1257 if (p->p_vmspace == &vmspace0) { 1258 PROC_UNLOCK(p); 1259 return (0); 1260 } 1261 if (p->p_args != NULL) { 1262 sbuf_bcpy(sb, p->p_args->ar_args, p->p_args->ar_length); 1263 PROC_UNLOCK(p); 1264 return (0); 1265 } 1266 1267 if ((p->p_flag & P_SYSTEM) != 0) { 1268 PROC_UNLOCK(p); 1269 return (0); 1270 } 1271 1272 PROC_UNLOCK(p); 1273 1274 ret = proc_getargv(td, p, sb); 1275 return (ret); 1276} 1277 1278/* 1279 * Filler function for proc/pid/environ 1280 */ 1281static int 1282linprocfs_doprocenviron(PFS_FILL_ARGS) 1283{ 1284 1285 /* 1286 * Mimic linux behavior and pass only processes with usermode 1287 * address space as valid. Return zero silently otherwize. 1288 */ 1289 if (p->p_vmspace == &vmspace0) 1290 return (0); 1291 1292 return (proc_getenvv(td, p, sb)); 1293} 1294 1295static char l32_map_str[] = "%08lx-%08lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n"; 1296static char l64_map_str[] = "%016lx-%016lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n"; 1297static char vdso_str[] = " [vdso]"; 1298static char stack_str[] = " [stack]"; 1299 1300/* 1301 * Filler function for proc/pid/maps 1302 */ 1303static int 1304linprocfs_doprocmaps(PFS_FILL_ARGS) 1305{ 1306 struct vmspace *vm; 1307 vm_map_t map; 1308 vm_map_entry_t entry, tmp_entry; 1309 vm_object_t obj, tobj, lobj; 1310 vm_offset_t e_start, e_end; 1311 vm_ooffset_t off; 1312 vm_prot_t e_prot; 1313 unsigned int last_timestamp; 1314 char *name = "", *freename = NULL; 1315 const char *l_map_str; 1316 ino_t ino; 1317 int error; 1318 struct vnode *vp; 1319 struct vattr vat; 1320 bool private; 1321 1322 PROC_LOCK(p); 1323 error = p_candebug(td, p); 1324 PROC_UNLOCK(p); 1325 if (error) 1326 return (error); 1327 1328 if (uio->uio_rw != UIO_READ) 1329 return (EOPNOTSUPP); 1330 1331 error = 0; 1332 vm = vmspace_acquire_ref(p); 1333 if (vm == NULL) 1334 return (ESRCH); 1335 1336 if (SV_CURPROC_FLAG(SV_LP64)) 1337 l_map_str = l64_map_str; 1338 else 1339 l_map_str = l32_map_str; 1340 map = &vm->vm_map; 1341 vm_map_lock_read(map); 1342 VM_MAP_ENTRY_FOREACH(entry, map) { 1343 name = ""; 1344 freename = NULL; 1345 /* 1346 * Skip printing of the guard page of the stack region, as 1347 * it confuses glibc pthread_getattr_np() method, where both 1348 * the base address and size of the stack of the initial thread 1349 * are calculated. 1350 */ 1351 if ((entry->eflags & (MAP_ENTRY_IS_SUB_MAP | MAP_ENTRY_GUARD)) != 0) 1352 continue; 1353 e_prot = entry->protection; 1354 e_start = entry->start; 1355 e_end = entry->end; 1356 obj = entry->object.vm_object; 1357 off = entry->offset; 1358 for (lobj = tobj = obj; tobj != NULL; 1359 lobj = tobj, tobj = tobj->backing_object) { 1360 VM_OBJECT_RLOCK(tobj); 1361 off += lobj->backing_object_offset; 1362 if (lobj != obj) 1363 VM_OBJECT_RUNLOCK(lobj); 1364 } 1365 private = (entry->eflags & MAP_ENTRY_COW) != 0 || obj == NULL || 1366 (obj->flags & OBJ_ANON) != 0; 1367 last_timestamp = map->timestamp; 1368 vm_map_unlock_read(map); 1369 ino = 0; 1370 if (lobj) { 1371 vp = vm_object_vnode(lobj); 1372 if (vp != NULL) 1373 vref(vp); 1374 if (lobj != obj) 1375 VM_OBJECT_RUNLOCK(lobj); 1376 VM_OBJECT_RUNLOCK(obj); 1377 if (vp != NULL) { 1378 vn_fullpath(vp, &name, &freename); 1379 vn_lock(vp, LK_SHARED | LK_RETRY); 1380 VOP_GETATTR(vp, &vat, td->td_ucred); 1381 ino = vat.va_fileid; 1382 vput(vp); 1383 } else if (SV_PROC_ABI(p) == SV_ABI_LINUX) { 1384 /* 1385 * sv_shared_page_base pointed out to the 1386 * FreeBSD sharedpage, PAGE_SIZE is a size 1387 * of it. The vDSO page is above. 1388 */ 1389 if (e_start == p->p_sysent->sv_shared_page_base + 1390 PAGE_SIZE) 1391 name = vdso_str; 1392 if (e_end == p->p_sysent->sv_usrstack) 1393 name = stack_str; 1394 } 1395 } 1396 1397 /* 1398 * format: 1399 * start, end, access, offset, major, minor, inode, name. 1400 */ 1401 error = sbuf_printf(sb, l_map_str, 1402 (u_long)e_start, (u_long)e_end, 1403 (e_prot & VM_PROT_READ)?"r":"-", 1404 (e_prot & VM_PROT_WRITE)?"w":"-", 1405 (e_prot & VM_PROT_EXECUTE)?"x":"-", 1406 private ? "p" : "s", 1407 (u_long)off, 1408 0, 1409 0, 1410 (u_long)ino, 1411 *name ? " " : " ", 1412 name 1413 ); 1414 if (freename) 1415 free(freename, M_TEMP); 1416 vm_map_lock_read(map); 1417 if (error == -1) { 1418 error = 0; 1419 break; 1420 } 1421 if (last_timestamp != map->timestamp) { 1422 /* 1423 * Look again for the entry because the map was 1424 * modified while it was unlocked. Specifically, 1425 * the entry may have been clipped, merged, or deleted. 1426 */ 1427 vm_map_lookup_entry(map, e_end - 1, &tmp_entry); 1428 entry = tmp_entry; 1429 } 1430 } 1431 vm_map_unlock_read(map); 1432 vmspace_free(vm); 1433 1434 return (error); 1435} 1436 1437/* 1438 * Filler function for proc/pid/mem 1439 */ 1440static int 1441linprocfs_doprocmem(PFS_FILL_ARGS) 1442{ 1443 ssize_t resid; 1444 int error; 1445 1446 resid = uio->uio_resid; 1447 error = procfs_doprocmem(PFS_FILL_ARGNAMES); 1448 1449 if (uio->uio_rw == UIO_READ && resid != uio->uio_resid) 1450 return (0); 1451 1452 if (error == EFAULT) 1453 error = EIO; 1454 1455 return (error); 1456} 1457 1458/* 1459 * Filler function for proc/net/dev 1460 */ 1461static int 1462linprocfs_donetdev_cb(if_t ifp, void *arg) 1463{ 1464 char ifname[LINUX_IFNAMSIZ]; 1465 struct sbuf *sb = arg; 1466 1467 if (ifname_bsd_to_linux_ifp(ifp, ifname, sizeof(ifname)) <= 0) 1468 return (ENODEV); 1469 1470 sbuf_printf(sb, "%6.6s: ", ifname); 1471 sbuf_printf(sb, "%7ju %7ju %4ju %4ju %4lu %5lu %10lu %9ju ", 1472 (uintmax_t)if_getcounter(ifp, IFCOUNTER_IBYTES), 1473 (uintmax_t)if_getcounter(ifp, IFCOUNTER_IPACKETS), 1474 (uintmax_t)if_getcounter(ifp, IFCOUNTER_IERRORS), 1475 (uintmax_t)if_getcounter(ifp, IFCOUNTER_IQDROPS), 1476 /* rx_missed_errors */ 1477 0UL, /* rx_fifo_errors */ 1478 0UL, /* rx_length_errors + 1479 * rx_over_errors + 1480 * rx_crc_errors + 1481 * rx_frame_errors */ 1482 0UL, /* rx_compressed */ 1483 (uintmax_t)if_getcounter(ifp, IFCOUNTER_IMCASTS)); 1484 /* XXX-BZ rx only? */ 1485 sbuf_printf(sb, "%8ju %7ju %4ju %4ju %4lu %5ju %7lu %10lu\n", 1486 (uintmax_t)if_getcounter(ifp, IFCOUNTER_OBYTES), 1487 (uintmax_t)if_getcounter(ifp, IFCOUNTER_OPACKETS), 1488 (uintmax_t)if_getcounter(ifp, IFCOUNTER_OERRORS), 1489 (uintmax_t)if_getcounter(ifp, IFCOUNTER_OQDROPS), 1490 0UL, /* tx_fifo_errors */ 1491 (uintmax_t)if_getcounter(ifp, IFCOUNTER_COLLISIONS), 1492 0UL, /* tx_carrier_errors + 1493 * tx_aborted_errors + 1494 * tx_window_errors + 1495 * tx_heartbeat_errors*/ 1496 0UL); /* tx_compressed */ 1497 return (0); 1498} 1499 1500static int 1501linprocfs_donetdev(PFS_FILL_ARGS) 1502{ 1503 struct epoch_tracker et; 1504 1505 sbuf_printf(sb, "%6s|%58s|%s\n" 1506 "%6s|%58s|%58s\n", 1507 "Inter-", " Receive", " Transmit", 1508 " face", 1509 "bytes packets errs drop fifo frame compressed multicast", 1510 "bytes packets errs drop fifo colls carrier compressed"); 1511 1512 CURVNET_SET(TD_TO_VNET(curthread)); 1513 NET_EPOCH_ENTER(et); 1514 if_foreach(linprocfs_donetdev_cb, sb); 1515 NET_EPOCH_EXIT(et); 1516 CURVNET_RESTORE(); 1517 1518 return (0); 1519} 1520 1521struct walkarg { 1522 struct sbuf *sb; 1523}; 1524 1525static int 1526linux_route_print(struct rtentry *rt, void *vw) 1527{ 1528#ifdef INET 1529 struct walkarg *w = vw; 1530 struct route_nhop_data rnd; 1531 struct in_addr dst, mask; 1532 struct nhop_object *nh; 1533 char ifname[16]; 1534 uint32_t scopeid = 0; 1535 uint32_t gw = 0; 1536 uint32_t linux_flags = 0; 1537 1538 rt_get_inet_prefix_pmask(rt, &dst, &mask, &scopeid); 1539 1540 rt_get_rnd(rt, &rnd); 1541 1542 /* select only first route in case of multipath */ 1543 nh = nhop_select_func(rnd.rnd_nhop, 0); 1544 1545 if (ifname_bsd_to_linux_ifp(nh->nh_ifp, ifname, sizeof(ifname)) <= 0) 1546 return (ENODEV); 1547 1548 gw = (nh->nh_flags & NHF_GATEWAY) 1549 ? nh->gw4_sa.sin_addr.s_addr : 0; 1550 1551 linux_flags = RTF_UP | 1552 (nhop_get_rtflags(nh) & (RTF_GATEWAY | RTF_HOST)); 1553 1554 sbuf_printf(w->sb, 1555 "%s\t" 1556 "%08X\t%08X\t%04X\t" 1557 "%d\t%u\t%d\t" 1558 "%08X\t%d\t%u\t%u", 1559 ifname, 1560 dst.s_addr, gw, linux_flags, 1561 0, 0, rnd.rnd_weight, 1562 mask.s_addr, nh->nh_mtu, 0, 0); 1563 1564 sbuf_printf(w->sb, "\n\n"); 1565#endif 1566 return (0); 1567} 1568 1569/* 1570 * Filler function for proc/net/route 1571 */ 1572static int 1573linprocfs_donetroute(PFS_FILL_ARGS) 1574{ 1575 struct epoch_tracker et; 1576 struct walkarg w = { 1577 .sb = sb 1578 }; 1579 uint32_t fibnum = curthread->td_proc->p_fibnum; 1580 1581 sbuf_printf(w.sb, "%-127s\n", "Iface\tDestination\tGateway " 1582 "\tFlags\tRefCnt\tUse\tMetric\tMask\t\tMTU" 1583 "\tWindow\tIRTT"); 1584 1585 CURVNET_SET(TD_TO_VNET(curthread)); 1586 NET_EPOCH_ENTER(et); 1587 rib_walk(fibnum, AF_INET, false, linux_route_print, &w); 1588 NET_EPOCH_EXIT(et); 1589 CURVNET_RESTORE(); 1590 1591 return (0); 1592} 1593 1594/* 1595 * Filler function for proc/sys/kernel/osrelease 1596 */ 1597static int 1598linprocfs_doosrelease(PFS_FILL_ARGS) 1599{ 1600 char osrelease[LINUX_MAX_UTSNAME]; 1601 1602 linux_get_osrelease(td, osrelease); 1603 sbuf_printf(sb, "%s\n", osrelease); 1604 1605 return (0); 1606} 1607 1608/* 1609 * Filler function for proc/sys/kernel/ostype 1610 */ 1611static int 1612linprocfs_doostype(PFS_FILL_ARGS) 1613{ 1614 char osname[LINUX_MAX_UTSNAME]; 1615 1616 linux_get_osname(td, osname); 1617 sbuf_printf(sb, "%s\n", osname); 1618 1619 return (0); 1620} 1621 1622/* 1623 * Filler function for proc/sys/kernel/version 1624 */ 1625static int 1626linprocfs_doosbuild(PFS_FILL_ARGS) 1627{ 1628 1629 linprocfs_osbuild(td, sb); 1630 sbuf_cat(sb, "\n"); 1631 return (0); 1632} 1633 1634/* 1635 * Filler function for proc/sys/kernel/msgmax 1636 */ 1637static int 1638linprocfs_domsgmax(PFS_FILL_ARGS) 1639{ 1640 1641 sbuf_printf(sb, "%d\n", msginfo.msgmax); 1642 return (0); 1643} 1644 1645/* 1646 * Filler function for proc/sys/kernel/msgmni 1647 */ 1648static int 1649linprocfs_domsgmni(PFS_FILL_ARGS) 1650{ 1651 1652 sbuf_printf(sb, "%d\n", msginfo.msgmni); 1653 return (0); 1654} 1655 1656/* 1657 * Filler function for proc/sys/kernel/msgmnb 1658 */ 1659static int 1660linprocfs_domsgmnb(PFS_FILL_ARGS) 1661{ 1662 1663 sbuf_printf(sb, "%d\n", msginfo.msgmnb); 1664 return (0); 1665} 1666 1667/* 1668 * Filler function for proc/sys/kernel/ngroups_max 1669 * 1670 * Note that in Linux it defaults to 65536, not 1023. 1671 */ 1672static int 1673linprocfs_dongroups_max(PFS_FILL_ARGS) 1674{ 1675 1676 sbuf_printf(sb, "%d\n", ngroups_max); 1677 return (0); 1678} 1679 1680/* 1681 * Filler function for proc/sys/kernel/pid_max 1682 */ 1683static int 1684linprocfs_dopid_max(PFS_FILL_ARGS) 1685{ 1686 1687 sbuf_printf(sb, "%i\n", PID_MAX); 1688 return (0); 1689} 1690 1691/* 1692 * Filler function for proc/sys/kernel/sem 1693 */ 1694static int 1695linprocfs_dosem(PFS_FILL_ARGS) 1696{ 1697 1698 sbuf_printf(sb, "%d %d %d %d\n", seminfo.semmsl, seminfo.semmns, 1699 seminfo.semopm, seminfo.semmni); 1700 return (0); 1701} 1702 1703/* 1704 * Filler function for proc/sys/kernel/shmall 1705 */ 1706static int 1707linprocfs_doshmall(PFS_FILL_ARGS) 1708{ 1709 1710 sbuf_printf(sb, "%lu\n", shminfo.shmall); 1711 return (0); 1712} 1713 1714/* 1715 * Filler function for proc/sys/kernel/shmmax 1716 */ 1717static int 1718linprocfs_doshmmax(PFS_FILL_ARGS) 1719{ 1720 1721 sbuf_printf(sb, "%lu\n", shminfo.shmmax); 1722 return (0); 1723} 1724 1725/* 1726 * Filler function for proc/sys/kernel/shmmni 1727 */ 1728static int 1729linprocfs_doshmmni(PFS_FILL_ARGS) 1730{ 1731 1732 sbuf_printf(sb, "%lu\n", shminfo.shmmni); 1733 return (0); 1734} 1735 1736/* 1737 * Filler function for proc/sys/kernel/tainted 1738 */ 1739static int 1740linprocfs_dotainted(PFS_FILL_ARGS) 1741{ 1742 1743 sbuf_printf(sb, "0\n"); 1744 return (0); 1745} 1746 1747/* 1748 * Filler function for proc/sys/vm/min_free_kbytes 1749 * 1750 * This mirrors the approach in illumos to return zero for reads. Effectively, 1751 * it says, no memory is kept in reserve for "atomic allocations". This class 1752 * of allocation can be used at times when a thread cannot be suspended. 1753 */ 1754static int 1755linprocfs_dominfree(PFS_FILL_ARGS) 1756{ 1757 1758 sbuf_printf(sb, "%d\n", 0); 1759 return (0); 1760} 1761 1762/* 1763 * Filler function for proc/scsi/device_info 1764 */ 1765static int 1766linprocfs_doscsidevinfo(PFS_FILL_ARGS) 1767{ 1768 1769 return (0); 1770} 1771 1772/* 1773 * Filler function for proc/scsi/scsi 1774 */ 1775static int 1776linprocfs_doscsiscsi(PFS_FILL_ARGS) 1777{ 1778 1779 return (0); 1780} 1781 1782/* 1783 * Filler function for proc/devices 1784 */ 1785static int 1786linprocfs_dodevices(PFS_FILL_ARGS) 1787{ 1788 char *char_devices; 1789 sbuf_printf(sb, "Character devices:\n"); 1790 1791 char_devices = linux_get_char_devices(); 1792 sbuf_printf(sb, "%s", char_devices); 1793 linux_free_get_char_devices(char_devices); 1794 1795 sbuf_printf(sb, "\nBlock devices:\n"); 1796 1797 return (0); 1798} 1799 1800/* 1801 * Filler function for proc/cmdline 1802 */ 1803static int 1804linprocfs_docmdline(PFS_FILL_ARGS) 1805{ 1806 1807 sbuf_printf(sb, "BOOT_IMAGE=%s", kernelname); 1808 sbuf_printf(sb, " ro root=302\n"); 1809 return (0); 1810} 1811 1812/* 1813 * Filler function for proc/filesystems 1814 */ 1815static int 1816linprocfs_dofilesystems(PFS_FILL_ARGS) 1817{ 1818 struct vfsconf *vfsp; 1819 1820 vfsconf_slock(); 1821 TAILQ_FOREACH(vfsp, &vfsconf, vfc_list) { 1822 if (vfsp->vfc_flags & VFCF_SYNTHETIC) 1823 sbuf_printf(sb, "nodev"); 1824 sbuf_printf(sb, "\t%s\n", vfsp->vfc_name); 1825 } 1826 vfsconf_sunlock(); 1827 return(0); 1828} 1829 1830/* 1831 * Filler function for proc/modules 1832 */ 1833static int 1834linprocfs_domodules(PFS_FILL_ARGS) 1835{ 1836#if 0 1837 struct linker_file *lf; 1838 1839 TAILQ_FOREACH(lf, &linker_files, link) { 1840 sbuf_printf(sb, "%-20s%8lu%4d\n", lf->filename, 1841 (unsigned long)lf->size, lf->refs); 1842 } 1843#endif 1844 return (0); 1845} 1846 1847/* 1848 * Filler function for proc/pid/fd 1849 */ 1850static int 1851linprocfs_dofdescfs(PFS_FILL_ARGS) 1852{ 1853 1854 if (p == curproc) 1855 sbuf_printf(sb, "/dev/fd"); 1856 else 1857 sbuf_printf(sb, "unknown"); 1858 return (0); 1859} 1860 1861/* 1862 * Filler function for proc/pid/limits 1863 */ 1864static const struct linux_rlimit_ident { 1865 const char *desc; 1866 const char *unit; 1867 unsigned int rlim_id; 1868} linux_rlimits_ident[] = { 1869 { "Max cpu time", "seconds", RLIMIT_CPU }, 1870 { "Max file size", "bytes", RLIMIT_FSIZE }, 1871 { "Max data size", "bytes", RLIMIT_DATA }, 1872 { "Max stack size", "bytes", RLIMIT_STACK }, 1873 { "Max core file size", "bytes", RLIMIT_CORE }, 1874 { "Max resident set", "bytes", RLIMIT_RSS }, 1875 { "Max processes", "processes", RLIMIT_NPROC }, 1876 { "Max open files", "files", RLIMIT_NOFILE }, 1877 { "Max locked memory", "bytes", RLIMIT_MEMLOCK }, 1878 { "Max address space", "bytes", RLIMIT_AS }, 1879 { "Max file locks", "locks", LINUX_RLIMIT_LOCKS }, 1880 { "Max pending signals", "signals", LINUX_RLIMIT_SIGPENDING }, 1881 { "Max msgqueue size", "bytes", LINUX_RLIMIT_MSGQUEUE }, 1882 { "Max nice priority", "", LINUX_RLIMIT_NICE }, 1883 { "Max realtime priority", "", LINUX_RLIMIT_RTPRIO }, 1884 { "Max realtime timeout", "us", LINUX_RLIMIT_RTTIME }, 1885 { 0, 0, 0 } 1886}; 1887 1888static int 1889linprocfs_doproclimits(PFS_FILL_ARGS) 1890{ 1891 const struct linux_rlimit_ident *li; 1892 struct plimit *limp; 1893 struct rlimit rl; 1894 ssize_t size; 1895 int res, error; 1896 1897 error = 0; 1898 1899 PROC_LOCK(p); 1900 limp = lim_hold(p->p_limit); 1901 PROC_UNLOCK(p); 1902 size = sizeof(res); 1903 sbuf_printf(sb, "%-26s%-21s%-21s%-21s\n", "Limit", "Soft Limit", 1904 "Hard Limit", "Units"); 1905 for (li = linux_rlimits_ident; li->desc != NULL; ++li) { 1906 switch (li->rlim_id) 1907 { 1908 case LINUX_RLIMIT_LOCKS: 1909 /* FALLTHROUGH */ 1910 case LINUX_RLIMIT_RTTIME: 1911 rl.rlim_cur = RLIM_INFINITY; 1912 break; 1913 case LINUX_RLIMIT_SIGPENDING: 1914 error = kernel_sysctlbyname(td, 1915 "kern.sigqueue.max_pending_per_proc", 1916 &res, &size, 0, 0, 0, 0); 1917 if (error != 0) 1918 goto out; 1919 rl.rlim_cur = res; 1920 rl.rlim_max = res; 1921 break; 1922 case LINUX_RLIMIT_MSGQUEUE: 1923 error = kernel_sysctlbyname(td, 1924 "kern.ipc.msgmnb", &res, &size, 0, 0, 0, 0); 1925 if (error != 0) 1926 goto out; 1927 rl.rlim_cur = res; 1928 rl.rlim_max = res; 1929 break; 1930 case LINUX_RLIMIT_NICE: 1931 /* FALLTHROUGH */ 1932 case LINUX_RLIMIT_RTPRIO: 1933 rl.rlim_cur = 0; 1934 rl.rlim_max = 0; 1935 break; 1936 default: 1937 rl = limp->pl_rlimit[li->rlim_id]; 1938 break; 1939 } 1940 if (rl.rlim_cur == RLIM_INFINITY) 1941 sbuf_printf(sb, "%-26s%-21s%-21s%-10s\n", 1942 li->desc, "unlimited", "unlimited", li->unit); 1943 else 1944 sbuf_printf(sb, "%-26s%-21llu%-21llu%-10s\n", 1945 li->desc, (unsigned long long)rl.rlim_cur, 1946 (unsigned long long)rl.rlim_max, li->unit); 1947 } 1948out: 1949 lim_free(limp); 1950 return (error); 1951} 1952 1953/* 1954 * The point of the following two functions is to work around 1955 * an assertion in Chromium; see kern/240991 for details. 1956 */ 1957static int 1958linprocfs_dotaskattr(PFS_ATTR_ARGS) 1959{ 1960 1961 vap->va_nlink = 3; 1962 return (0); 1963} 1964 1965/* 1966 * Filler function for proc/<pid>/task/.dummy 1967 */ 1968static int 1969linprocfs_dotaskdummy(PFS_FILL_ARGS) 1970{ 1971 1972 return (0); 1973} 1974 1975/* 1976 * Filler function for proc/sys/kernel/random/uuid 1977 */ 1978static int 1979linprocfs_douuid(PFS_FILL_ARGS) 1980{ 1981 struct uuid uuid; 1982 1983 kern_uuidgen(&uuid, 1); 1984 sbuf_printf_uuid(sb, &uuid); 1985 sbuf_printf(sb, "\n"); 1986 return(0); 1987} 1988 1989/* 1990 * Filler function for proc/sys/kernel/random/boot_id 1991 */ 1992static int 1993linprocfs_doboot_id(PFS_FILL_ARGS) 1994{ 1995 static bool firstboot = 1; 1996 static struct uuid uuid; 1997 1998 if (firstboot) { 1999 kern_uuidgen(&uuid, 1); 2000 firstboot = 0; 2001 } 2002 sbuf_printf_uuid(sb, &uuid); 2003 sbuf_printf(sb, "\n"); 2004 return(0); 2005} 2006 2007/* 2008 * Filler function for proc/pid/auxv 2009 */ 2010static int 2011linprocfs_doauxv(PFS_FILL_ARGS) 2012{ 2013 struct sbuf *asb; 2014 off_t buflen, resid; 2015 int error; 2016 2017 /* 2018 * Mimic linux behavior and pass only processes with usermode 2019 * address space as valid. Return zero silently otherwise. 2020 */ 2021 if (p->p_vmspace == &vmspace0) 2022 return (0); 2023 2024 if (uio->uio_resid == 0) 2025 return (0); 2026 if (uio->uio_offset < 0 || uio->uio_resid < 0) 2027 return (EINVAL); 2028 2029 asb = sbuf_new_auto(); 2030 if (asb == NULL) 2031 return (ENOMEM); 2032 error = proc_getauxv(td, p, asb); 2033 if (error == 0) 2034 error = sbuf_finish(asb); 2035 2036 resid = sbuf_len(asb) - uio->uio_offset; 2037 if (resid > uio->uio_resid) 2038 buflen = uio->uio_resid; 2039 else 2040 buflen = resid; 2041 if (buflen > IOSIZE_MAX) 2042 return (EINVAL); 2043 if (buflen > maxphys) 2044 buflen = maxphys; 2045 if (resid <= 0) 2046 return (0); 2047 2048 if (error == 0) 2049 error = uiomove(sbuf_data(asb) + uio->uio_offset, buflen, uio); 2050 sbuf_delete(asb); 2051 return (error); 2052} 2053 2054/* 2055 * Filler function for proc/self/oom_score_adj 2056 */ 2057static int 2058linprocfs_do_oom_score_adj(PFS_FILL_ARGS) 2059{ 2060 struct linux_pemuldata *pem; 2061 long oom; 2062 2063 pem = pem_find(p); 2064 if (pem == NULL || uio == NULL) 2065 return (EOPNOTSUPP); 2066 if (uio->uio_rw == UIO_READ) { 2067 sbuf_printf(sb, "%d\n", pem->oom_score_adj); 2068 } else { 2069 sbuf_trim(sb); 2070 sbuf_finish(sb); 2071 oom = strtol(sbuf_data(sb), NULL, 10); 2072 if (oom < LINUX_OOM_SCORE_ADJ_MIN || 2073 oom > LINUX_OOM_SCORE_ADJ_MAX) 2074 return (EINVAL); 2075 pem->oom_score_adj = oom; 2076 } 2077 return (0); 2078} 2079 2080/* 2081 * Filler function for proc/sys/vm/max_map_count 2082 * 2083 * Maximum number of active map areas, on Linux this limits the number 2084 * of vmaps per mm struct. We don't limit mappings, return a suitable 2085 * large value. 2086 */ 2087static int 2088linprocfs_domax_map_cnt(PFS_FILL_ARGS) 2089{ 2090 2091 sbuf_printf(sb, "%d\n", INT32_MAX); 2092 return (0); 2093} 2094 2095/* 2096 * Filler function for proc/sysvipc/msg 2097 */ 2098static int 2099linprocfs_dosysvipc_msg(PFS_FILL_ARGS) 2100{ 2101 struct msqid_kernel *msqids; 2102 size_t id, size; 2103 int error; 2104 2105 sbuf_printf(sb, 2106 "%10s %10s %4s %10s %10s %5s %5s %5s %5s %5s %5s %10s %10s %10s\n", 2107 "key", "msqid", "perms", "cbytes", "qnum", "lspid", "lrpid", 2108 "uid", "gid", "cuid", "cgid", "stime", "rtime", "ctime"); 2109 2110 error = kern_get_msqids(curthread, &msqids, &size); 2111 if (error != 0) 2112 return (error); 2113 2114 for (id = 0; id < size; id++) { 2115 if (msqids[id].u.msg_qbytes == 0) 2116 continue; 2117 sbuf_printf(sb, 2118 "%10d %10zu %4o %10lu %10lu %5u %5u %5u %5u %5u %5u %jd %jd %jd\n", 2119 (int)msqids[id].u.msg_perm.key, 2120 IXSEQ_TO_IPCID(id, msqids[id].u.msg_perm), 2121 msqids[id].u.msg_perm.mode, 2122 msqids[id].u.msg_cbytes, 2123 msqids[id].u.msg_qnum, 2124 msqids[id].u.msg_lspid, 2125 msqids[id].u.msg_lrpid, 2126 msqids[id].u.msg_perm.uid, 2127 msqids[id].u.msg_perm.gid, 2128 msqids[id].u.msg_perm.cuid, 2129 msqids[id].u.msg_perm.cgid, 2130 (intmax_t)msqids[id].u.msg_stime, 2131 (intmax_t)msqids[id].u.msg_rtime, 2132 (intmax_t)msqids[id].u.msg_ctime); 2133 } 2134 2135 free(msqids, M_TEMP); 2136 return (0); 2137} 2138 2139/* 2140 * Filler function for proc/sysvipc/sem 2141 */ 2142static int 2143linprocfs_dosysvipc_sem(PFS_FILL_ARGS) 2144{ 2145 struct semid_kernel *semids; 2146 size_t id, size; 2147 int error; 2148 2149 sbuf_printf(sb, "%10s %10s %4s %10s %5s %5s %5s %5s %10s %10s\n", 2150 "key", "semid", "perms", "nsems", "uid", "gid", "cuid", "cgid", 2151 "otime", "ctime"); 2152 2153 error = kern_get_sema(curthread, &semids, &size); 2154 if (error != 0) 2155 return (error); 2156 2157 for (id = 0; id < size; id++) { 2158 if ((semids[id].u.sem_perm.mode & SEM_ALLOC) == 0) 2159 continue; 2160 sbuf_printf(sb, 2161 "%10d %10zu %4o %10u %5u %5u %5u %5u %jd %jd\n", 2162 (int)semids[id].u.sem_perm.key, 2163 IXSEQ_TO_IPCID(id, semids[id].u.sem_perm), 2164 semids[id].u.sem_perm.mode, 2165 semids[id].u.sem_nsems, 2166 semids[id].u.sem_perm.uid, 2167 semids[id].u.sem_perm.gid, 2168 semids[id].u.sem_perm.cuid, 2169 semids[id].u.sem_perm.cgid, 2170 (intmax_t)semids[id].u.sem_otime, 2171 (intmax_t)semids[id].u.sem_ctime); 2172 } 2173 2174 free(semids, M_TEMP); 2175 return (0); 2176} 2177 2178/* 2179 * Filler function for proc/sysvipc/shm 2180 */ 2181static int 2182linprocfs_dosysvipc_shm(PFS_FILL_ARGS) 2183{ 2184 struct shmid_kernel *shmids; 2185 size_t id, size; 2186 int error; 2187 2188 sbuf_printf(sb, 2189 "%10s %10s %s %21s %5s %5s %5s %5s %5s %5s %5s %10s %10s %10s %21s %21s\n", 2190 "key", "shmid", "perms", "size", "cpid", "lpid", "nattch", "uid", 2191 "gid", "cuid", "cgid", "atime", "dtime", "ctime", "rss", "swap"); 2192 2193 error = kern_get_shmsegs(curthread, &shmids, &size); 2194 if (error != 0) 2195 return (error); 2196 2197 for (id = 0; id < size; id++) { 2198 if ((shmids[id].u.shm_perm.mode & SHMSEG_ALLOCATED) == 0) 2199 continue; 2200 sbuf_printf(sb, 2201 "%10d %10zu %4o %21zu %5u %5u %5u %5u %5u %5u %5u %jd %jd %jd %21d %21d\n", 2202 (int)shmids[id].u.shm_perm.key, 2203 IXSEQ_TO_IPCID(id, shmids[id].u.shm_perm), 2204 shmids[id].u.shm_perm.mode, 2205 shmids[id].u.shm_segsz, 2206 shmids[id].u.shm_cpid, 2207 shmids[id].u.shm_lpid, 2208 shmids[id].u.shm_nattch, 2209 shmids[id].u.shm_perm.uid, 2210 shmids[id].u.shm_perm.gid, 2211 shmids[id].u.shm_perm.cuid, 2212 shmids[id].u.shm_perm.cgid, 2213 (intmax_t)shmids[id].u.shm_atime, 2214 (intmax_t)shmids[id].u.shm_dtime, 2215 (intmax_t)shmids[id].u.shm_ctime, 2216 0, 0); /* XXX rss & swp are not supported */ 2217 } 2218 2219 free(shmids, M_TEMP); 2220 return (0); 2221} 2222 2223/* 2224 * Filler function for proc/sys/fs/mqueue/msg_default 2225 */ 2226static int 2227linprocfs_domqueue_msg_default(PFS_FILL_ARGS) 2228{ 2229 int res, error; 2230 size_t size = sizeof(res); 2231 2232 error = kernel_sysctlbyname(curthread, "kern.mqueue.default_maxmsg", 2233 &res, &size, NULL, 0, 0, 0); 2234 if (error != 0) 2235 return (error); 2236 2237 sbuf_printf(sb, "%d\n", res); 2238 return (0); 2239} 2240 2241/* 2242 * Filler function for proc/sys/fs/mqueue/msgsize_default 2243 */ 2244static int 2245linprocfs_domqueue_msgsize_default(PFS_FILL_ARGS) 2246{ 2247 int res, error; 2248 size_t size = sizeof(res); 2249 2250 error = kernel_sysctlbyname(curthread, "kern.mqueue.default_msgsize", 2251 &res, &size, NULL, 0, 0, 0); 2252 if (error != 0) 2253 return (error); 2254 2255 sbuf_printf(sb, "%d\n", res); 2256 return (0); 2257 2258} 2259 2260/* 2261 * Filler function for proc/sys/fs/mqueue/msg_max 2262 */ 2263static int 2264linprocfs_domqueue_msg_max(PFS_FILL_ARGS) 2265{ 2266 int res, error; 2267 size_t size = sizeof(res); 2268 2269 error = kernel_sysctlbyname(curthread, "kern.mqueue.maxmsg", 2270 &res, &size, NULL, 0, 0, 0); 2271 if (error != 0) 2272 return (error); 2273 2274 sbuf_printf(sb, "%d\n", res); 2275 return (0); 2276} 2277 2278/* 2279 * Filler function for proc/sys/fs/mqueue/msgsize_max 2280 */ 2281static int 2282linprocfs_domqueue_msgsize_max(PFS_FILL_ARGS) 2283{ 2284 int res, error; 2285 size_t size = sizeof(res); 2286 2287 error = kernel_sysctlbyname(curthread, "kern.mqueue.maxmsgsize", 2288 &res, &size, NULL, 0, 0, 0); 2289 if (error != 0) 2290 return (error); 2291 2292 sbuf_printf(sb, "%d\n", res); 2293 return (0); 2294} 2295 2296/* 2297 * Filler function for proc/sys/fs/mqueue/queues_max 2298 */ 2299static int 2300linprocfs_domqueue_queues_max(PFS_FILL_ARGS) 2301{ 2302 int res, error; 2303 size_t size = sizeof(res); 2304 2305 error = kernel_sysctlbyname(curthread, "kern.mqueue.maxmq", 2306 &res, &size, NULL, 0, 0, 0); 2307 if (error != 0) 2308 return (error); 2309 2310 sbuf_printf(sb, "%d\n", res); 2311 return (0); 2312} 2313 2314/* 2315 * Constructor 2316 */ 2317static int 2318linprocfs_init(PFS_INIT_ARGS) 2319{ 2320 struct pfs_node *root; 2321 struct pfs_node *dir; 2322 struct pfs_node *sys; 2323 2324 root = pi->pi_root; 2325 2326 /* /proc/... */ 2327 pfs_create_file(root, "cmdline", &linprocfs_docmdline, 2328 NULL, NULL, NULL, PFS_RD); 2329 pfs_create_file(root, "cpuinfo", &linprocfs_docpuinfo, 2330 NULL, NULL, NULL, PFS_RD); 2331 pfs_create_file(root, "devices", &linprocfs_dodevices, 2332 NULL, NULL, NULL, PFS_RD); 2333 pfs_create_file(root, "filesystems", &linprocfs_dofilesystems, 2334 NULL, NULL, NULL, PFS_RD); 2335 pfs_create_file(root, "loadavg", &linprocfs_doloadavg, 2336 NULL, NULL, NULL, PFS_RD); 2337 pfs_create_file(root, "meminfo", &linprocfs_domeminfo, 2338 NULL, NULL, NULL, PFS_RD); 2339 pfs_create_file(root, "modules", &linprocfs_domodules, 2340 NULL, NULL, NULL, PFS_RD); 2341 pfs_create_file(root, "mounts", &linprocfs_domtab, 2342 NULL, NULL, NULL, PFS_RD); 2343 pfs_create_file(root, "mtab", &linprocfs_domtab, 2344 NULL, NULL, NULL, PFS_RD); 2345 pfs_create_file(root, "partitions", &linprocfs_dopartitions, 2346 NULL, NULL, NULL, PFS_RD); 2347 pfs_create_link(root, "self", &procfs_docurproc, 2348 NULL, NULL, NULL, 0); 2349 pfs_create_file(root, "stat", &linprocfs_dostat, 2350 NULL, NULL, NULL, PFS_RD); 2351 pfs_create_file(root, "swaps", &linprocfs_doswaps, 2352 NULL, NULL, NULL, PFS_RD); 2353 pfs_create_file(root, "uptime", &linprocfs_douptime, 2354 NULL, NULL, NULL, PFS_RD); 2355 pfs_create_file(root, "version", &linprocfs_doversion, 2356 NULL, NULL, NULL, PFS_RD); 2357 2358 /* /proc/bus/... */ 2359 dir = pfs_create_dir(root, "bus", NULL, NULL, NULL, 0); 2360 dir = pfs_create_dir(dir, "pci", NULL, NULL, NULL, 0); 2361 dir = pfs_create_dir(dir, "devices", NULL, NULL, NULL, 0); 2362 2363 /* /proc/net/... */ 2364 dir = pfs_create_dir(root, "net", NULL, NULL, NULL, 0); 2365 pfs_create_file(dir, "dev", &linprocfs_donetdev, 2366 NULL, NULL, NULL, PFS_RD); 2367 pfs_create_file(dir, "route", &linprocfs_donetroute, 2368 NULL, NULL, NULL, PFS_RD); 2369 2370 /* /proc/<pid>/... */ 2371 dir = pfs_create_dir(root, "pid", NULL, NULL, NULL, PFS_PROCDEP); 2372 pfs_create_file(dir, "cmdline", &linprocfs_doproccmdline, 2373 NULL, NULL, NULL, PFS_RD); 2374 pfs_create_link(dir, "cwd", &linprocfs_doproccwd, 2375 NULL, NULL, NULL, 0); 2376 pfs_create_file(dir, "environ", &linprocfs_doprocenviron, 2377 NULL, &procfs_candebug, NULL, PFS_RD); 2378 pfs_create_link(dir, "exe", &procfs_doprocfile, 2379 NULL, &procfs_notsystem, NULL, 0); 2380 pfs_create_file(dir, "maps", &linprocfs_doprocmaps, 2381 NULL, NULL, NULL, PFS_RD | PFS_AUTODRAIN); 2382 pfs_create_file(dir, "mem", &linprocfs_doprocmem, 2383 procfs_attr_rw, &procfs_candebug, NULL, PFS_RDWR | PFS_RAW); 2384 pfs_create_file(dir, "mountinfo", &linprocfs_doprocmountinfo, 2385 NULL, NULL, NULL, PFS_RD); 2386 pfs_create_file(dir, "mounts", &linprocfs_domtab, 2387 NULL, NULL, NULL, PFS_RD); 2388 pfs_create_link(dir, "root", &linprocfs_doprocroot, 2389 NULL, NULL, NULL, 0); 2390 pfs_create_file(dir, "stat", &linprocfs_doprocstat, 2391 NULL, NULL, NULL, PFS_RD); 2392 pfs_create_file(dir, "statm", &linprocfs_doprocstatm, 2393 NULL, NULL, NULL, PFS_RD); 2394 pfs_create_file(dir, "status", &linprocfs_doprocstatus, 2395 NULL, NULL, NULL, PFS_RD); 2396 pfs_create_link(dir, "fd", &linprocfs_dofdescfs, 2397 NULL, NULL, NULL, 0); 2398 pfs_create_file(dir, "auxv", &linprocfs_doauxv, 2399 NULL, &procfs_candebug, NULL, PFS_RD|PFS_RAWRD); 2400 pfs_create_file(dir, "limits", &linprocfs_doproclimits, 2401 NULL, NULL, NULL, PFS_RD); 2402 pfs_create_file(dir, "oom_score_adj", &linprocfs_do_oom_score_adj, 2403 procfs_attr_rw, &procfs_candebug, NULL, PFS_RDWR); 2404 2405 /* /proc/<pid>/task/... */ 2406 dir = pfs_create_dir(dir, "task", linprocfs_dotaskattr, NULL, NULL, 0); 2407 pfs_create_file(dir, ".dummy", &linprocfs_dotaskdummy, 2408 NULL, NULL, NULL, PFS_RD); 2409 2410 /* /proc/scsi/... */ 2411 dir = pfs_create_dir(root, "scsi", NULL, NULL, NULL, 0); 2412 pfs_create_file(dir, "device_info", &linprocfs_doscsidevinfo, 2413 NULL, NULL, NULL, PFS_RD); 2414 pfs_create_file(dir, "scsi", &linprocfs_doscsiscsi, 2415 NULL, NULL, NULL, PFS_RD); 2416 2417 /* /proc/sys/... */ 2418 sys = pfs_create_dir(root, "sys", NULL, NULL, NULL, 0); 2419 2420 /* /proc/sys/kernel/... */ 2421 dir = pfs_create_dir(sys, "kernel", NULL, NULL, NULL, 0); 2422 pfs_create_file(dir, "osrelease", &linprocfs_doosrelease, 2423 NULL, NULL, NULL, PFS_RD); 2424 pfs_create_file(dir, "ostype", &linprocfs_doostype, 2425 NULL, NULL, NULL, PFS_RD); 2426 pfs_create_file(dir, "version", &linprocfs_doosbuild, 2427 NULL, NULL, NULL, PFS_RD); 2428 pfs_create_file(dir, "msgmax", &linprocfs_domsgmax, 2429 NULL, NULL, NULL, PFS_RD); 2430 pfs_create_file(dir, "msgmni", &linprocfs_domsgmni, 2431 NULL, NULL, NULL, PFS_RD); 2432 pfs_create_file(dir, "msgmnb", &linprocfs_domsgmnb, 2433 NULL, NULL, NULL, PFS_RD); 2434 pfs_create_file(dir, "ngroups_max", &linprocfs_dongroups_max, 2435 NULL, NULL, NULL, PFS_RD); 2436 pfs_create_file(dir, "pid_max", &linprocfs_dopid_max, 2437 NULL, NULL, NULL, PFS_RD); 2438 pfs_create_file(dir, "sem", &linprocfs_dosem, 2439 NULL, NULL, NULL, PFS_RD); 2440 pfs_create_file(dir, "shmall", &linprocfs_doshmall, 2441 NULL, NULL, NULL, PFS_RD); 2442 pfs_create_file(dir, "shmmax", &linprocfs_doshmmax, 2443 NULL, NULL, NULL, PFS_RD); 2444 pfs_create_file(dir, "shmmni", &linprocfs_doshmmni, 2445 NULL, NULL, NULL, PFS_RD); 2446 pfs_create_file(dir, "tainted", &linprocfs_dotainted, 2447 NULL, NULL, NULL, PFS_RD); 2448 2449 /* /proc/sys/kernel/random/... */ 2450 dir = pfs_create_dir(dir, "random", NULL, NULL, NULL, 0); 2451 pfs_create_file(dir, "uuid", &linprocfs_douuid, 2452 NULL, NULL, NULL, PFS_RD); 2453 pfs_create_file(dir, "boot_id", &linprocfs_doboot_id, 2454 NULL, NULL, NULL, PFS_RD); 2455 2456 /* /proc/sys/vm/.... */ 2457 dir = pfs_create_dir(sys, "vm", NULL, NULL, NULL, 0); 2458 pfs_create_file(dir, "min_free_kbytes", &linprocfs_dominfree, 2459 NULL, NULL, NULL, PFS_RD); 2460 pfs_create_file(dir, "max_map_count", &linprocfs_domax_map_cnt, 2461 NULL, NULL, NULL, PFS_RD); 2462 2463 /* /proc/sysvipc/... */ 2464 dir = pfs_create_dir(root, "sysvipc", NULL, NULL, NULL, 0); 2465 pfs_create_file(dir, "msg", &linprocfs_dosysvipc_msg, 2466 NULL, NULL, NULL, PFS_RD); 2467 pfs_create_file(dir, "sem", &linprocfs_dosysvipc_sem, 2468 NULL, NULL, NULL, PFS_RD); 2469 pfs_create_file(dir, "shm", &linprocfs_dosysvipc_shm, 2470 NULL, NULL, NULL, PFS_RD); 2471 2472 /* /proc/sys/fs/... */ 2473 dir = pfs_create_dir(sys, "fs", NULL, NULL, NULL, 0); 2474 2475 /* /proc/sys/fs/mqueue/... */ 2476 dir = pfs_create_dir(dir, "mqueue", NULL, NULL, NULL, 0); 2477 pfs_create_file(dir, "msg_default", &linprocfs_domqueue_msg_default, 2478 NULL, NULL, NULL, PFS_RD); 2479 pfs_create_file(dir, "msgsize_default", &linprocfs_domqueue_msgsize_default, 2480 NULL, NULL, NULL, PFS_RD); 2481 pfs_create_file(dir, "msg_max", &linprocfs_domqueue_msg_max, 2482 NULL, NULL, NULL, PFS_RD); 2483 pfs_create_file(dir, "msgsize_max", &linprocfs_domqueue_msgsize_max, 2484 NULL, NULL, NULL, PFS_RD); 2485 pfs_create_file(dir, "queues_max", &linprocfs_domqueue_queues_max, 2486 NULL, NULL, NULL, PFS_RD); 2487 2488 return (0); 2489} 2490 2491/* 2492 * Destructor 2493 */ 2494static int 2495linprocfs_uninit(PFS_INIT_ARGS) 2496{ 2497 2498 /* nothing to do, pseudofs will GC */ 2499 return (0); 2500} 2501 2502PSEUDOFS(linprocfs, 1, VFCF_JAIL); 2503#if defined(__aarch64__) || defined(__amd64__) 2504MODULE_DEPEND(linprocfs, linux_common, 1, 1, 1); 2505#else 2506MODULE_DEPEND(linprocfs, linux, 1, 1, 1); 2507#endif 2508MODULE_DEPEND(linprocfs, procfs, 1, 1, 1); 2509MODULE_DEPEND(linprocfs, sysvmsg, 1, 1, 1); 2510MODULE_DEPEND(linprocfs, sysvsem, 1, 1, 1); 2511MODULE_DEPEND(linprocfs, sysvshm, 1, 1, 1); 2512