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