Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/compat/linprocfs/linprocfs.c
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1 /*- 2 * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav 3 * Copyright (c) 1999 Pierre Beyssac 4 * Copyright (c) 1993 Jan-Simon Pendry 5 * Copyright (c) 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Jan-Simon Pendry. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * @(#)procfs_status.c 8.4 (Berkeley) 6/15/94 40 */ 41 42 #include "opt_compat.h" 43 44 #include <sys/cdefs.h> 45 __FBSDID("$FreeBSD: releng/10.0/sys/compat/linprocfs/linprocfs.c 251423 2013-06-05 17:00:10Z alc $"); 46 47 #include <sys/param.h> 48 #include <sys/queue.h> 49 #include <sys/blist.h> 50 #include <sys/conf.h> 51 #include <sys/exec.h> 52 #include <sys/fcntl.h> 53 #include <sys/filedesc.h> 54 #include <sys/jail.h> 55 #include <sys/kernel.h> 56 #include <sys/linker.h> 57 #include <sys/lock.h> 58 #include <sys/malloc.h> 59 #include <sys/mount.h> 60 #include <sys/msg.h> 61 #include <sys/mutex.h> 62 #include <sys/namei.h> 63 #include <sys/proc.h> 64 #include <sys/ptrace.h> 65 #include <sys/resourcevar.h> 66 #include <sys/sbuf.h> 67 #include <sys/sem.h> 68 #include <sys/smp.h> 69 #include <sys/socket.h> 70 #include <sys/sysctl.h> 71 #include <sys/systm.h> 72 #include <sys/time.h> 73 #include <sys/tty.h> 74 #include <sys/user.h> 75 #include <sys/vmmeter.h> 76 #include <sys/vnode.h> 77 #include <sys/bus.h> 78 79 #include <net/if.h> 80 #include <net/vnet.h> 81 82 #include <vm/vm.h> 83 #include <vm/vm_extern.h> 84 #include <vm/pmap.h> 85 #include <vm/vm_map.h> 86 #include <vm/vm_param.h> 87 #include <vm/vm_object.h> 88 #include <vm/swap_pager.h> 89 90 #include <machine/clock.h> 91 92 #include <geom/geom.h> 93 #include <geom/geom_int.h> 94 95 #if defined(__i386__) || defined(__amd64__) 96 #include <machine/cputypes.h> 97 #include <machine/md_var.h> 98 #endif /* __i386__ || __amd64__ */ 99 100 #ifdef COMPAT_FREEBSD32 101 #include <compat/freebsd32/freebsd32_util.h> 102 #endif 103 104 #include <compat/linux/linux_ioctl.h> 105 #include <compat/linux/linux_mib.h> 106 #include <compat/linux/linux_misc.h> 107 #include <compat/linux/linux_util.h> 108 #include <fs/pseudofs/pseudofs.h> 109 #include <fs/procfs/procfs.h> 110 111 /* 112 * Various conversion macros 113 */ 114 #define T2J(x) ((long)(((x) * 100ULL) / (stathz ? stathz : hz))) /* ticks to jiffies */ 115 #define T2CS(x) ((unsigned long)(((x) * 100ULL) / (stathz ? stathz : hz))) /* ticks to centiseconds */ 116 #define T2S(x) ((x) / (stathz ? stathz : hz)) /* ticks to seconds */ 117 #define B2K(x) ((x) >> 10) /* bytes to kbytes */ 118 #define B2P(x) ((x) >> PAGE_SHIFT) /* bytes to pages */ 119 #define P2B(x) ((x) << PAGE_SHIFT) /* pages to bytes */ 120 #define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* pages to kbytes */ 121 #define TV2J(x) ((x)->tv_sec * 100UL + (x)->tv_usec / 10000) 122 123 /** 124 * @brief Mapping of ki_stat in struct kinfo_proc to the linux state 125 * 126 * The linux procfs state field displays one of the characters RSDZTW to 127 * denote running, sleeping in an interruptible wait, waiting in an 128 * uninterruptible disk sleep, a zombie process, process is being traced 129 * or stopped, or process is paging respectively. 130 * 131 * Our struct kinfo_proc contains the variable ki_stat which contains a 132 * value out of SIDL, SRUN, SSLEEP, SSTOP, SZOMB, SWAIT and SLOCK. 133 * 134 * This character array is used with ki_stati-1 as an index and tries to 135 * map our states to suitable linux states. 136 */ 137 static char linux_state[] = "RRSTZDD"; 138 139 /* 140 * Filler function for proc/meminfo 141 */ 142 static int 143 linprocfs_domeminfo(PFS_FILL_ARGS) 144 { 145 unsigned long memtotal; /* total memory in bytes */ 146 unsigned long memused; /* used memory in bytes */ 147 unsigned long memfree; /* free memory in bytes */ 148 unsigned long memshared; /* shared memory ??? */ 149 unsigned long buffers, cached; /* buffer / cache memory ??? */ 150 unsigned long long swaptotal; /* total swap space in bytes */ 151 unsigned long long swapused; /* used swap space in bytes */ 152 unsigned long long swapfree; /* free swap space in bytes */ 153 vm_object_t object; 154 int i, j; 155 156 memtotal = physmem * PAGE_SIZE; 157 /* 158 * The correct thing here would be: 159 * 160 memfree = cnt.v_free_count * PAGE_SIZE; 161 memused = memtotal - memfree; 162 * 163 * but it might mislead linux binaries into thinking there 164 * is very little memory left, so we cheat and tell them that 165 * all memory that isn't wired down is free. 166 */ 167 memused = cnt.v_wire_count * PAGE_SIZE; 168 memfree = memtotal - memused; 169 swap_pager_status(&i, &j); 170 swaptotal = (unsigned long long)i * PAGE_SIZE; 171 swapused = (unsigned long long)j * PAGE_SIZE; 172 swapfree = swaptotal - swapused; 173 memshared = 0; 174 mtx_lock(&vm_object_list_mtx); 175 TAILQ_FOREACH(object, &vm_object_list, object_list) 176 if (object->shadow_count > 1) 177 memshared += object->resident_page_count; 178 mtx_unlock(&vm_object_list_mtx); 179 memshared *= PAGE_SIZE; 180 /* 181 * We'd love to be able to write: 182 * 183 buffers = bufspace; 184 * 185 * but bufspace is internal to vfs_bio.c and we don't feel 186 * like unstaticizing it just for linprocfs's sake. 187 */ 188 buffers = 0; 189 cached = cnt.v_cache_count * PAGE_SIZE; 190 191 sbuf_printf(sb, 192 " total: used: free: shared: buffers: cached:\n" 193 "Mem: %lu %lu %lu %lu %lu %lu\n" 194 "Swap: %llu %llu %llu\n" 195 "MemTotal: %9lu kB\n" 196 "MemFree: %9lu kB\n" 197 "MemShared:%9lu kB\n" 198 "Buffers: %9lu kB\n" 199 "Cached: %9lu kB\n" 200 "SwapTotal:%9llu kB\n" 201 "SwapFree: %9llu kB\n", 202 memtotal, memused, memfree, memshared, buffers, cached, 203 swaptotal, swapused, swapfree, 204 B2K(memtotal), B2K(memfree), 205 B2K(memshared), B2K(buffers), B2K(cached), 206 B2K(swaptotal), B2K(swapfree)); 207 208 return (0); 209 } 210 211 #if defined(__i386__) || defined(__amd64__) 212 /* 213 * Filler function for proc/cpuinfo (i386 & amd64 version) 214 */ 215 static int 216 linprocfs_docpuinfo(PFS_FILL_ARGS) 217 { 218 int hw_model[2]; 219 char model[128]; 220 uint64_t freq; 221 size_t size; 222 int class, fqmhz, fqkhz; 223 int i; 224 225 /* 226 * We default the flags to include all non-conflicting flags, 227 * and the Intel versions of conflicting flags. 228 */ 229 static char *flags[] = { 230 "fpu", "vme", "de", "pse", "tsc", 231 "msr", "pae", "mce", "cx8", "apic", 232 "sep", "sep", "mtrr", "pge", "mca", 233 "cmov", "pat", "pse36", "pn", "b19", 234 "b20", "b21", "mmxext", "mmx", "fxsr", 235 "xmm", "sse2", "b27", "b28", "b29", 236 "3dnowext", "3dnow" 237 }; 238 239 switch (cpu_class) { 240 #ifdef __i386__ 241 case CPUCLASS_286: 242 class = 2; 243 break; 244 case CPUCLASS_386: 245 class = 3; 246 break; 247 case CPUCLASS_486: 248 class = 4; 249 break; 250 case CPUCLASS_586: 251 class = 5; 252 break; 253 case CPUCLASS_686: 254 class = 6; 255 break; 256 default: 257 class = 0; 258 break; 259 #else /* __amd64__ */ 260 default: 261 class = 15; 262 break; 263 #endif 264 } 265 266 hw_model[0] = CTL_HW; 267 hw_model[1] = HW_MODEL; 268 model[0] = '\0'; 269 size = sizeof(model); 270 if (kernel_sysctl(td, hw_model, 2, &model, &size, 0, 0, 0, 0) != 0) 271 strcpy(model, "unknown"); 272 for (i = 0; i < mp_ncpus; ++i) { 273 sbuf_printf(sb, 274 "processor\t: %d\n" 275 "vendor_id\t: %.20s\n" 276 "cpu family\t: %u\n" 277 "model\t\t: %u\n" 278 "model name\t: %s\n" 279 "stepping\t: %u\n\n", 280 i, cpu_vendor, CPUID_TO_FAMILY(cpu_id), 281 CPUID_TO_MODEL(cpu_id), model, cpu_id & CPUID_STEPPING); 282 /* XXX per-cpu vendor / class / model / id? */ 283 } 284 285 sbuf_cat(sb, "flags\t\t:"); 286 287 #ifdef __i386__ 288 switch (cpu_vendor_id) { 289 case CPU_VENDOR_AMD: 290 if (class < 6) 291 flags[16] = "fcmov"; 292 break; 293 case CPU_VENDOR_CYRIX: 294 flags[24] = "cxmmx"; 295 break; 296 } 297 #endif 298 299 for (i = 0; i < 32; i++) 300 if (cpu_feature & (1 << i)) 301 sbuf_printf(sb, " %s", flags[i]); 302 sbuf_cat(sb, "\n"); 303 freq = atomic_load_acq_64(&tsc_freq); 304 if (freq != 0) { 305 fqmhz = (freq + 4999) / 1000000; 306 fqkhz = ((freq + 4999) / 10000) % 100; 307 sbuf_printf(sb, 308 "cpu MHz\t\t: %d.%02d\n" 309 "bogomips\t: %d.%02d\n", 310 fqmhz, fqkhz, fqmhz, fqkhz); 311 } 312 313 return (0); 314 } 315 #endif /* __i386__ || __amd64__ */ 316 317 /* 318 * Filler function for proc/mtab 319 * 320 * This file doesn't exist in Linux' procfs, but is included here so 321 * users can symlink /compat/linux/etc/mtab to /proc/mtab 322 */ 323 static int 324 linprocfs_domtab(PFS_FILL_ARGS) 325 { 326 struct nameidata nd; 327 struct mount *mp; 328 const char *lep; 329 char *dlep, *flep, *mntto, *mntfrom, *fstype; 330 size_t lep_len; 331 int error; 332 333 /* resolve symlinks etc. in the emulation tree prefix */ 334 NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, linux_emul_path, td); 335 flep = NULL; 336 error = namei(&nd); 337 lep = linux_emul_path; 338 if (error == 0) { 339 if (vn_fullpath(td, nd.ni_vp, &dlep, &flep) == 0) 340 lep = dlep; 341 vrele(nd.ni_vp); 342 } 343 lep_len = strlen(lep); 344 345 mtx_lock(&mountlist_mtx); 346 error = 0; 347 TAILQ_FOREACH(mp, &mountlist, mnt_list) { 348 /* determine device name */ 349 mntfrom = mp->mnt_stat.f_mntfromname; 350 351 /* determine mount point */ 352 mntto = mp->mnt_stat.f_mntonname; 353 if (strncmp(mntto, lep, lep_len) == 0 && 354 mntto[lep_len] == '/') 355 mntto += lep_len; 356 357 /* determine fs type */ 358 fstype = mp->mnt_stat.f_fstypename; 359 if (strcmp(fstype, pn->pn_info->pi_name) == 0) 360 mntfrom = fstype = "proc"; 361 else if (strcmp(fstype, "procfs") == 0) 362 continue; 363 364 if (strcmp(fstype, "linsysfs") == 0) { 365 sbuf_printf(sb, "/sys %s sysfs %s", mntto, 366 mp->mnt_stat.f_flags & MNT_RDONLY ? "ro" : "rw"); 367 } else { 368 /* For Linux msdosfs is called vfat */ 369 if (strcmp(fstype, "msdosfs") == 0) 370 fstype = "vfat"; 371 sbuf_printf(sb, "%s %s %s %s", mntfrom, mntto, fstype, 372 mp->mnt_stat.f_flags & MNT_RDONLY ? "ro" : "rw"); 373 } 374 #define ADD_OPTION(opt, name) \ 375 if (mp->mnt_stat.f_flags & (opt)) sbuf_printf(sb, "," name); 376 ADD_OPTION(MNT_SYNCHRONOUS, "sync"); 377 ADD_OPTION(MNT_NOEXEC, "noexec"); 378 ADD_OPTION(MNT_NOSUID, "nosuid"); 379 ADD_OPTION(MNT_UNION, "union"); 380 ADD_OPTION(MNT_ASYNC, "async"); 381 ADD_OPTION(MNT_SUIDDIR, "suiddir"); 382 ADD_OPTION(MNT_NOSYMFOLLOW, "nosymfollow"); 383 ADD_OPTION(MNT_NOATIME, "noatime"); 384 #undef ADD_OPTION 385 /* a real Linux mtab will also show NFS options */ 386 sbuf_printf(sb, " 0 0\n"); 387 } 388 mtx_unlock(&mountlist_mtx); 389 free(flep, M_TEMP); 390 return (error); 391 } 392 393 /* 394 * Filler function for proc/partitions 395 * 396 */ 397 static int 398 linprocfs_dopartitions(PFS_FILL_ARGS) 399 { 400 struct g_class *cp; 401 struct g_geom *gp; 402 struct g_provider *pp; 403 struct nameidata nd; 404 const char *lep; 405 char *dlep, *flep; 406 size_t lep_len; 407 int error; 408 int major, minor; 409 410 /* resolve symlinks etc. in the emulation tree prefix */ 411 NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, linux_emul_path, td); 412 flep = NULL; 413 error = namei(&nd); 414 lep = linux_emul_path; 415 if (error == 0) { 416 if (vn_fullpath(td, nd.ni_vp, &dlep, &flep) == 0) 417 lep = dlep; 418 vrele(nd.ni_vp); 419 } 420 lep_len = strlen(lep); 421 422 g_topology_lock(); 423 error = 0; 424 sbuf_printf(sb, "major minor #blocks name rio rmerge rsect " 425 "ruse wio wmerge wsect wuse running use aveq\n"); 426 427 LIST_FOREACH(cp, &g_classes, class) { 428 if (strcmp(cp->name, "DISK") == 0 || 429 strcmp(cp->name, "PART") == 0) 430 LIST_FOREACH(gp, &cp->geom, geom) { 431 LIST_FOREACH(pp, &gp->provider, provider) { 432 if (linux_driver_get_major_minor( 433 pp->name, &major, &minor) != 0) { 434 major = 0; 435 minor = 0; 436 } 437 sbuf_printf(sb, "%d %d %lld %s " 438 "%d %d %d %d %d " 439 "%d %d %d %d %d %d\n", 440 major, minor, 441 (long long)pp->mediasize, pp->name, 442 0, 0, 0, 0, 0, 443 0, 0, 0, 0, 0, 0); 444 } 445 } 446 } 447 g_topology_unlock(); 448 449 free(flep, M_TEMP); 450 return (error); 451 } 452 453 454 /* 455 * Filler function for proc/stat 456 */ 457 static int 458 linprocfs_dostat(PFS_FILL_ARGS) 459 { 460 struct pcpu *pcpu; 461 long cp_time[CPUSTATES]; 462 long *cp; 463 int i; 464 465 read_cpu_time(cp_time); 466 sbuf_printf(sb, "cpu %ld %ld %ld %ld\n", 467 T2J(cp_time[CP_USER]), 468 T2J(cp_time[CP_NICE]), 469 T2J(cp_time[CP_SYS] /*+ cp_time[CP_INTR]*/), 470 T2J(cp_time[CP_IDLE])); 471 CPU_FOREACH(i) { 472 pcpu = pcpu_find(i); 473 cp = pcpu->pc_cp_time; 474 sbuf_printf(sb, "cpu%d %ld %ld %ld %ld\n", i, 475 T2J(cp[CP_USER]), 476 T2J(cp[CP_NICE]), 477 T2J(cp[CP_SYS] /*+ cp[CP_INTR]*/), 478 T2J(cp[CP_IDLE])); 479 } 480 sbuf_printf(sb, 481 "disk 0 0 0 0\n" 482 "page %u %u\n" 483 "swap %u %u\n" 484 "intr %u\n" 485 "ctxt %u\n" 486 "btime %lld\n", 487 cnt.v_vnodepgsin, 488 cnt.v_vnodepgsout, 489 cnt.v_swappgsin, 490 cnt.v_swappgsout, 491 cnt.v_intr, 492 cnt.v_swtch, 493 (long long)boottime.tv_sec); 494 return (0); 495 } 496 497 static int 498 linprocfs_doswaps(PFS_FILL_ARGS) 499 { 500 struct xswdev xsw; 501 uintmax_t total, used; 502 int n; 503 char devname[SPECNAMELEN + 1]; 504 505 sbuf_printf(sb, "Filename\t\t\t\tType\t\tSize\tUsed\tPriority\n"); 506 mtx_lock(&Giant); 507 for (n = 0; ; n++) { 508 if (swap_dev_info(n, &xsw, devname, sizeof(devname)) != 0) 509 break; 510 total = (uintmax_t)xsw.xsw_nblks * PAGE_SIZE / 1024; 511 used = (uintmax_t)xsw.xsw_used * PAGE_SIZE / 1024; 512 513 /* 514 * The space and not tab after the device name is on 515 * purpose. Linux does so. 516 */ 517 sbuf_printf(sb, "/dev/%-34s unknown\t\t%jd\t%jd\t-1\n", 518 devname, total, used); 519 } 520 mtx_unlock(&Giant); 521 return (0); 522 } 523 524 /* 525 * Filler function for proc/uptime 526 */ 527 static int 528 linprocfs_douptime(PFS_FILL_ARGS) 529 { 530 long cp_time[CPUSTATES]; 531 struct timeval tv; 532 533 getmicrouptime(&tv); 534 read_cpu_time(cp_time); 535 sbuf_printf(sb, "%lld.%02ld %ld.%02lu\n", 536 (long long)tv.tv_sec, tv.tv_usec / 10000, 537 T2S(cp_time[CP_IDLE] / mp_ncpus), 538 T2CS(cp_time[CP_IDLE] / mp_ncpus) % 100); 539 return (0); 540 } 541 542 /* 543 * Get OS build date 544 */ 545 static void 546 linprocfs_osbuild(struct thread *td, struct sbuf *sb) 547 { 548 #if 0 549 char osbuild[256]; 550 char *cp1, *cp2; 551 552 strncpy(osbuild, version, 256); 553 osbuild[255] = '\0'; 554 cp1 = strstr(osbuild, "\n"); 555 cp2 = strstr(osbuild, ":"); 556 if (cp1 && cp2) { 557 *cp1 = *cp2 = '\0'; 558 cp1 = strstr(osbuild, "#"); 559 } else 560 cp1 = NULL; 561 if (cp1) 562 sbuf_printf(sb, "%s%s", cp1, cp2 + 1); 563 else 564 #endif 565 sbuf_cat(sb, "#4 Sun Dec 18 04:30:00 CET 1977"); 566 } 567 568 /* 569 * Get OS builder 570 */ 571 static void 572 linprocfs_osbuilder(struct thread *td, struct sbuf *sb) 573 { 574 #if 0 575 char builder[256]; 576 char *cp; 577 578 cp = strstr(version, "\n "); 579 if (cp) { 580 strncpy(builder, cp + 5, 256); 581 builder[255] = '\0'; 582 cp = strstr(builder, ":"); 583 if (cp) 584 *cp = '\0'; 585 } 586 if (cp) 587 sbuf_cat(sb, builder); 588 else 589 #endif 590 sbuf_cat(sb, "des@freebsd.org"); 591 } 592 593 /* 594 * Filler function for proc/version 595 */ 596 static int 597 linprocfs_doversion(PFS_FILL_ARGS) 598 { 599 char osname[LINUX_MAX_UTSNAME]; 600 char osrelease[LINUX_MAX_UTSNAME]; 601 602 linux_get_osname(td, osname); 603 linux_get_osrelease(td, osrelease); 604 sbuf_printf(sb, "%s version %s (", osname, osrelease); 605 linprocfs_osbuilder(td, sb); 606 sbuf_cat(sb, ") (gcc version " __VERSION__ ") "); 607 linprocfs_osbuild(td, sb); 608 sbuf_cat(sb, "\n"); 609 610 return (0); 611 } 612 613 /* 614 * Filler function for proc/loadavg 615 */ 616 static int 617 linprocfs_doloadavg(PFS_FILL_ARGS) 618 { 619 620 sbuf_printf(sb, 621 "%d.%02d %d.%02d %d.%02d %d/%d %d\n", 622 (int)(averunnable.ldavg[0] / averunnable.fscale), 623 (int)(averunnable.ldavg[0] * 100 / averunnable.fscale % 100), 624 (int)(averunnable.ldavg[1] / averunnable.fscale), 625 (int)(averunnable.ldavg[1] * 100 / averunnable.fscale % 100), 626 (int)(averunnable.ldavg[2] / averunnable.fscale), 627 (int)(averunnable.ldavg[2] * 100 / averunnable.fscale % 100), 628 1, /* number of running tasks */ 629 nprocs, /* number of tasks */ 630 lastpid /* the last pid */ 631 ); 632 return (0); 633 } 634 635 /* 636 * Filler function for proc/pid/stat 637 */ 638 static int 639 linprocfs_doprocstat(PFS_FILL_ARGS) 640 { 641 struct kinfo_proc kp; 642 char state; 643 static int ratelimit = 0; 644 vm_offset_t startcode, startdata; 645 646 PROC_LOCK(p); 647 fill_kinfo_proc(p, &kp); 648 if (p->p_vmspace) { 649 startcode = (vm_offset_t)p->p_vmspace->vm_taddr; 650 startdata = (vm_offset_t)p->p_vmspace->vm_daddr; 651 } else { 652 startcode = 0; 653 startdata = 0; 654 }; 655 sbuf_printf(sb, "%d", p->p_pid); 656 #define PS_ADD(name, fmt, arg) sbuf_printf(sb, " " fmt, arg) 657 PS_ADD("comm", "(%s)", p->p_comm); 658 if (kp.ki_stat > sizeof(linux_state)) { 659 state = 'R'; 660 661 if (ratelimit == 0) { 662 printf("linprocfs: don't know how to handle unknown FreeBSD state %d/%zd, mapping to R\n", 663 kp.ki_stat, sizeof(linux_state)); 664 ++ratelimit; 665 } 666 } else 667 state = linux_state[kp.ki_stat - 1]; 668 PS_ADD("state", "%c", state); 669 PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0); 670 PS_ADD("pgrp", "%d", p->p_pgid); 671 PS_ADD("session", "%d", p->p_session->s_sid); 672 PROC_UNLOCK(p); 673 PS_ADD("tty", "%d", kp.ki_tdev); 674 PS_ADD("tpgid", "%d", kp.ki_tpgid); 675 PS_ADD("flags", "%u", 0); /* XXX */ 676 PS_ADD("minflt", "%lu", kp.ki_rusage.ru_minflt); 677 PS_ADD("cminflt", "%lu", kp.ki_rusage_ch.ru_minflt); 678 PS_ADD("majflt", "%lu", kp.ki_rusage.ru_majflt); 679 PS_ADD("cmajflt", "%lu", kp.ki_rusage_ch.ru_majflt); 680 PS_ADD("utime", "%ld", TV2J(&kp.ki_rusage.ru_utime)); 681 PS_ADD("stime", "%ld", TV2J(&kp.ki_rusage.ru_stime)); 682 PS_ADD("cutime", "%ld", TV2J(&kp.ki_rusage_ch.ru_utime)); 683 PS_ADD("cstime", "%ld", TV2J(&kp.ki_rusage_ch.ru_stime)); 684 PS_ADD("priority", "%d", kp.ki_pri.pri_user); 685 PS_ADD("nice", "%d", kp.ki_nice); /* 19 (nicest) to -19 */ 686 PS_ADD("", "%d", 0); /* removed field */ 687 PS_ADD("itrealvalue", "%d", 0); /* XXX */ 688 PS_ADD("starttime", "%lu", TV2J(&kp.ki_start) - TV2J(&boottime)); 689 PS_ADD("vsize", "%ju", P2K((uintmax_t)kp.ki_size)); 690 PS_ADD("rss", "%ju", (uintmax_t)kp.ki_rssize); 691 PS_ADD("rlim", "%lu", kp.ki_rusage.ru_maxrss); 692 PS_ADD("startcode", "%ju", (uintmax_t)startcode); 693 PS_ADD("endcode", "%ju", (uintmax_t)startdata); 694 PS_ADD("startstack", "%u", 0); /* XXX */ 695 PS_ADD("kstkesp", "%u", 0); /* XXX */ 696 PS_ADD("kstkeip", "%u", 0); /* XXX */ 697 PS_ADD("signal", "%u", 0); /* XXX */ 698 PS_ADD("blocked", "%u", 0); /* XXX */ 699 PS_ADD("sigignore", "%u", 0); /* XXX */ 700 PS_ADD("sigcatch", "%u", 0); /* XXX */ 701 PS_ADD("wchan", "%u", 0); /* XXX */ 702 PS_ADD("nswap", "%lu", kp.ki_rusage.ru_nswap); 703 PS_ADD("cnswap", "%lu", kp.ki_rusage_ch.ru_nswap); 704 PS_ADD("exitsignal", "%d", 0); /* XXX */ 705 PS_ADD("processor", "%u", kp.ki_lastcpu); 706 PS_ADD("rt_priority", "%u", 0); /* XXX */ /* >= 2.5.19 */ 707 PS_ADD("policy", "%u", kp.ki_pri.pri_class); /* >= 2.5.19 */ 708 #undef PS_ADD 709 sbuf_putc(sb, '\n'); 710 711 return (0); 712 } 713 714 /* 715 * Filler function for proc/pid/statm 716 */ 717 static int 718 linprocfs_doprocstatm(PFS_FILL_ARGS) 719 { 720 struct kinfo_proc kp; 721 segsz_t lsize; 722 723 PROC_LOCK(p); 724 fill_kinfo_proc(p, &kp); 725 PROC_UNLOCK(p); 726 727 /* 728 * See comments in linprocfs_doprocstatus() regarding the 729 * computation of lsize. 730 */ 731 /* size resident share trs drs lrs dt */ 732 sbuf_printf(sb, "%ju ", B2P((uintmax_t)kp.ki_size)); 733 sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_rssize); 734 sbuf_printf(sb, "%ju ", (uintmax_t)0); /* XXX */ 735 sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_tsize); 736 sbuf_printf(sb, "%ju ", (uintmax_t)(kp.ki_dsize + kp.ki_ssize)); 737 lsize = B2P(kp.ki_size) - kp.ki_dsize - 738 kp.ki_ssize - kp.ki_tsize - 1; 739 sbuf_printf(sb, "%ju ", (uintmax_t)lsize); 740 sbuf_printf(sb, "%ju\n", (uintmax_t)0); /* XXX */ 741 742 return (0); 743 } 744 745 /* 746 * Filler function for proc/pid/status 747 */ 748 static int 749 linprocfs_doprocstatus(PFS_FILL_ARGS) 750 { 751 struct kinfo_proc kp; 752 char *state; 753 segsz_t lsize; 754 struct thread *td2; 755 struct sigacts *ps; 756 int i; 757 758 PROC_LOCK(p); 759 td2 = FIRST_THREAD_IN_PROC(p); /* XXXKSE pretend only one thread */ 760 761 if (P_SHOULDSTOP(p)) { 762 state = "T (stopped)"; 763 } else { 764 switch(p->p_state) { 765 case PRS_NEW: 766 state = "I (idle)"; 767 break; 768 case PRS_NORMAL: 769 if (p->p_flag & P_WEXIT) { 770 state = "X (exiting)"; 771 break; 772 } 773 switch(td2->td_state) { 774 case TDS_INHIBITED: 775 state = "S (sleeping)"; 776 break; 777 case TDS_RUNQ: 778 case TDS_RUNNING: 779 state = "R (running)"; 780 break; 781 default: 782 state = "? (unknown)"; 783 break; 784 } 785 break; 786 case PRS_ZOMBIE: 787 state = "Z (zombie)"; 788 break; 789 default: 790 state = "? (unknown)"; 791 break; 792 } 793 } 794 795 fill_kinfo_proc(p, &kp); 796 sbuf_printf(sb, "Name:\t%s\n", p->p_comm); /* XXX escape */ 797 sbuf_printf(sb, "State:\t%s\n", state); 798 799 /* 800 * Credentials 801 */ 802 sbuf_printf(sb, "Pid:\t%d\n", p->p_pid); 803 sbuf_printf(sb, "PPid:\t%d\n", p->p_pptr ? 804 p->p_pptr->p_pid : 0); 805 sbuf_printf(sb, "Uid:\t%d %d %d %d\n", p->p_ucred->cr_ruid, 806 p->p_ucred->cr_uid, 807 p->p_ucred->cr_svuid, 808 /* FreeBSD doesn't have fsuid */ 809 p->p_ucred->cr_uid); 810 sbuf_printf(sb, "Gid:\t%d %d %d %d\n", p->p_ucred->cr_rgid, 811 p->p_ucred->cr_gid, 812 p->p_ucred->cr_svgid, 813 /* FreeBSD doesn't have fsgid */ 814 p->p_ucred->cr_gid); 815 sbuf_cat(sb, "Groups:\t"); 816 for (i = 0; i < p->p_ucred->cr_ngroups; i++) 817 sbuf_printf(sb, "%d ", p->p_ucred->cr_groups[i]); 818 PROC_UNLOCK(p); 819 sbuf_putc(sb, '\n'); 820 821 /* 822 * Memory 823 * 824 * While our approximation of VmLib may not be accurate (I 825 * don't know of a simple way to verify it, and I'm not sure 826 * it has much meaning anyway), I believe it's good enough. 827 * 828 * The same code that could (I think) accurately compute VmLib 829 * could also compute VmLck, but I don't really care enough to 830 * implement it. Submissions are welcome. 831 */ 832 sbuf_printf(sb, "VmSize:\t%8ju kB\n", B2K((uintmax_t)kp.ki_size)); 833 sbuf_printf(sb, "VmLck:\t%8u kB\n", P2K(0)); /* XXX */ 834 sbuf_printf(sb, "VmRSS:\t%8ju kB\n", P2K((uintmax_t)kp.ki_rssize)); 835 sbuf_printf(sb, "VmData:\t%8ju kB\n", P2K((uintmax_t)kp.ki_dsize)); 836 sbuf_printf(sb, "VmStk:\t%8ju kB\n", P2K((uintmax_t)kp.ki_ssize)); 837 sbuf_printf(sb, "VmExe:\t%8ju kB\n", P2K((uintmax_t)kp.ki_tsize)); 838 lsize = B2P(kp.ki_size) - kp.ki_dsize - 839 kp.ki_ssize - kp.ki_tsize - 1; 840 sbuf_printf(sb, "VmLib:\t%8ju kB\n", P2K((uintmax_t)lsize)); 841 842 /* 843 * Signal masks 844 * 845 * We support up to 128 signals, while Linux supports 32, 846 * but we only define 32 (the same 32 as Linux, to boot), so 847 * just show the lower 32 bits of each mask. XXX hack. 848 * 849 * NB: on certain platforms (Sparc at least) Linux actually 850 * supports 64 signals, but this code is a long way from 851 * running on anything but i386, so ignore that for now. 852 */ 853 PROC_LOCK(p); 854 sbuf_printf(sb, "SigPnd:\t%08x\n", p->p_siglist.__bits[0]); 855 /* 856 * I can't seem to find out where the signal mask is in 857 * relation to struct proc, so SigBlk is left unimplemented. 858 */ 859 sbuf_printf(sb, "SigBlk:\t%08x\n", 0); /* XXX */ 860 ps = p->p_sigacts; 861 mtx_lock(&ps->ps_mtx); 862 sbuf_printf(sb, "SigIgn:\t%08x\n", ps->ps_sigignore.__bits[0]); 863 sbuf_printf(sb, "SigCgt:\t%08x\n", ps->ps_sigcatch.__bits[0]); 864 mtx_unlock(&ps->ps_mtx); 865 PROC_UNLOCK(p); 866 867 /* 868 * Linux also prints the capability masks, but we don't have 869 * capabilities yet, and when we do get them they're likely to 870 * be meaningless to Linux programs, so we lie. XXX 871 */ 872 sbuf_printf(sb, "CapInh:\t%016x\n", 0); 873 sbuf_printf(sb, "CapPrm:\t%016x\n", 0); 874 sbuf_printf(sb, "CapEff:\t%016x\n", 0); 875 876 return (0); 877 } 878 879 880 /* 881 * Filler function for proc/pid/cwd 882 */ 883 static int 884 linprocfs_doproccwd(PFS_FILL_ARGS) 885 { 886 char *fullpath = "unknown"; 887 char *freepath = NULL; 888 889 vn_fullpath(td, p->p_fd->fd_cdir, &fullpath, &freepath); 890 sbuf_printf(sb, "%s", fullpath); 891 if (freepath) 892 free(freepath, M_TEMP); 893 return (0); 894 } 895 896 /* 897 * Filler function for proc/pid/root 898 */ 899 static int 900 linprocfs_doprocroot(PFS_FILL_ARGS) 901 { 902 struct vnode *rvp; 903 char *fullpath = "unknown"; 904 char *freepath = NULL; 905 906 rvp = jailed(p->p_ucred) ? p->p_fd->fd_jdir : p->p_fd->fd_rdir; 907 vn_fullpath(td, rvp, &fullpath, &freepath); 908 sbuf_printf(sb, "%s", fullpath); 909 if (freepath) 910 free(freepath, M_TEMP); 911 return (0); 912 } 913 914 /* 915 * Filler function for proc/pid/cmdline 916 */ 917 static int 918 linprocfs_doproccmdline(PFS_FILL_ARGS) 919 { 920 int ret; 921 922 PROC_LOCK(p); 923 if ((ret = p_cansee(td, p)) != 0) { 924 PROC_UNLOCK(p); 925 return (ret); 926 } 927 928 /* 929 * Mimic linux behavior and pass only processes with usermode 930 * address space as valid. Return zero silently otherwize. 931 */ 932 if (p->p_vmspace == &vmspace0) { 933 PROC_UNLOCK(p); 934 return (0); 935 } 936 if (p->p_args != NULL) { 937 sbuf_bcpy(sb, p->p_args->ar_args, p->p_args->ar_length); 938 PROC_UNLOCK(p); 939 return (0); 940 } 941 942 if ((p->p_flag & P_SYSTEM) != 0) { 943 PROC_UNLOCK(p); 944 return (0); 945 } 946 947 PROC_UNLOCK(p); 948 949 ret = proc_getargv(td, p, sb); 950 return (ret); 951 } 952 953 /* 954 * Filler function for proc/pid/environ 955 */ 956 static int 957 linprocfs_doprocenviron(PFS_FILL_ARGS) 958 { 959 int ret; 960 961 PROC_LOCK(p); 962 if ((ret = p_candebug(td, p)) != 0) { 963 PROC_UNLOCK(p); 964 return (ret); 965 } 966 967 /* 968 * Mimic linux behavior and pass only processes with usermode 969 * address space as valid. Return zero silently otherwize. 970 */ 971 if (p->p_vmspace == &vmspace0) { 972 PROC_UNLOCK(p); 973 return (0); 974 } 975 976 if ((p->p_flag & P_SYSTEM) != 0) { 977 PROC_UNLOCK(p); 978 return (0); 979 } 980 981 PROC_UNLOCK(p); 982 983 ret = proc_getenvv(td, p, sb); 984 return (ret); 985 } 986 987 /* 988 * Filler function for proc/pid/maps 989 */ 990 static int 991 linprocfs_doprocmaps(PFS_FILL_ARGS) 992 { 993 struct vmspace *vm; 994 vm_map_t map; 995 vm_map_entry_t entry, tmp_entry; 996 vm_object_t obj, tobj, lobj; 997 vm_offset_t e_start, e_end; 998 vm_ooffset_t off = 0; 999 vm_prot_t e_prot; 1000 unsigned int last_timestamp; 1001 char *name = "", *freename = NULL; 1002 ino_t ino; 1003 int ref_count, shadow_count, flags; 1004 int error; 1005 struct vnode *vp; 1006 struct vattr vat; 1007 1008 PROC_LOCK(p); 1009 error = p_candebug(td, p); 1010 PROC_UNLOCK(p); 1011 if (error) 1012 return (error); 1013 1014 if (uio->uio_rw != UIO_READ) 1015 return (EOPNOTSUPP); 1016 1017 error = 0; 1018 vm = vmspace_acquire_ref(p); 1019 if (vm == NULL) 1020 return (ESRCH); 1021 map = &vm->vm_map; 1022 vm_map_lock_read(map); 1023 for (entry = map->header.next; entry != &map->header; 1024 entry = entry->next) { 1025 name = ""; 1026 freename = NULL; 1027 if (entry->eflags & MAP_ENTRY_IS_SUB_MAP) 1028 continue; 1029 e_prot = entry->protection; 1030 e_start = entry->start; 1031 e_end = entry->end; 1032 obj = entry->object.vm_object; 1033 for (lobj = tobj = obj; tobj; tobj = tobj->backing_object) { 1034 VM_OBJECT_RLOCK(tobj); 1035 if (lobj != obj) 1036 VM_OBJECT_RUNLOCK(lobj); 1037 lobj = tobj; 1038 } 1039 last_timestamp = map->timestamp; 1040 vm_map_unlock_read(map); 1041 ino = 0; 1042 if (lobj) { 1043 off = IDX_TO_OFF(lobj->size); 1044 if (lobj->type == OBJT_VNODE) { 1045 vp = lobj->handle; 1046 if (vp) 1047 vref(vp); 1048 } 1049 else 1050 vp = NULL; 1051 if (lobj != obj) 1052 VM_OBJECT_RUNLOCK(lobj); 1053 flags = obj->flags; 1054 ref_count = obj->ref_count; 1055 shadow_count = obj->shadow_count; 1056 VM_OBJECT_RUNLOCK(obj); 1057 if (vp) { 1058 vn_fullpath(td, vp, &name, &freename); 1059 vn_lock(vp, LK_SHARED | LK_RETRY); 1060 VOP_GETATTR(vp, &vat, td->td_ucred); 1061 ino = vat.va_fileid; 1062 vput(vp); 1063 } 1064 } else { 1065 flags = 0; 1066 ref_count = 0; 1067 shadow_count = 0; 1068 } 1069 1070 /* 1071 * format: 1072 * start, end, access, offset, major, minor, inode, name. 1073 */ 1074 error = sbuf_printf(sb, 1075 "%08lx-%08lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n", 1076 (u_long)e_start, (u_long)e_end, 1077 (e_prot & VM_PROT_READ)?"r":"-", 1078 (e_prot & VM_PROT_WRITE)?"w":"-", 1079 (e_prot & VM_PROT_EXECUTE)?"x":"-", 1080 "p", 1081 (u_long)off, 1082 0, 1083 0, 1084 (u_long)ino, 1085 *name ? " " : "", 1086 name 1087 ); 1088 if (freename) 1089 free(freename, M_TEMP); 1090 vm_map_lock_read(map); 1091 if (error == -1) { 1092 error = 0; 1093 break; 1094 } 1095 if (last_timestamp != map->timestamp) { 1096 /* 1097 * Look again for the entry because the map was 1098 * modified while it was unlocked. Specifically, 1099 * the entry may have been clipped, merged, or deleted. 1100 */ 1101 vm_map_lookup_entry(map, e_end - 1, &tmp_entry); 1102 entry = tmp_entry; 1103 } 1104 } 1105 vm_map_unlock_read(map); 1106 vmspace_free(vm); 1107 1108 return (error); 1109 } 1110 1111 /* 1112 * Filler function for proc/net/dev 1113 */ 1114 static int 1115 linprocfs_donetdev(PFS_FILL_ARGS) 1116 { 1117 char ifname[16]; /* XXX LINUX_IFNAMSIZ */ 1118 struct ifnet *ifp; 1119 1120 sbuf_printf(sb, "%6s|%58s|%s\n" 1121 "%6s|%58s|%58s\n", 1122 "Inter-", " Receive", " Transmit", 1123 " face", 1124 "bytes packets errs drop fifo frame compressed multicast", 1125 "bytes packets errs drop fifo colls carrier compressed"); 1126 1127 CURVNET_SET(TD_TO_VNET(curthread)); 1128 IFNET_RLOCK(); 1129 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 1130 linux_ifname(ifp, ifname, sizeof ifname); 1131 sbuf_printf(sb, "%6.6s: ", ifname); 1132 sbuf_printf(sb, "%7lu %7lu %4lu %4lu %4lu %5lu %10lu %9lu ", 1133 ifp->if_ibytes, /* rx_bytes */ 1134 ifp->if_ipackets, /* rx_packets */ 1135 ifp->if_ierrors, /* rx_errors */ 1136 ifp->if_iqdrops, /* rx_dropped + 1137 * rx_missed_errors */ 1138 0UL, /* rx_fifo_errors */ 1139 0UL, /* rx_length_errors + 1140 * rx_over_errors + 1141 * rx_crc_errors + 1142 * rx_frame_errors */ 1143 0UL, /* rx_compressed */ 1144 ifp->if_imcasts); /* multicast, XXX-BZ rx only? */ 1145 sbuf_printf(sb, "%8lu %7lu %4lu %4lu %4lu %5lu %7lu %10lu\n", 1146 ifp->if_obytes, /* tx_bytes */ 1147 ifp->if_opackets, /* tx_packets */ 1148 ifp->if_oerrors, /* tx_errors */ 1149 0UL, /* tx_dropped */ 1150 0UL, /* tx_fifo_errors */ 1151 ifp->if_collisions, /* collisions */ 1152 0UL, /* tx_carrier_errors + 1153 * tx_aborted_errors + 1154 * tx_window_errors + 1155 * tx_heartbeat_errors */ 1156 0UL); /* tx_compressed */ 1157 } 1158 IFNET_RUNLOCK(); 1159 CURVNET_RESTORE(); 1160 1161 return (0); 1162 } 1163 1164 /* 1165 * Filler function for proc/sys/kernel/osrelease 1166 */ 1167 static int 1168 linprocfs_doosrelease(PFS_FILL_ARGS) 1169 { 1170 char osrelease[LINUX_MAX_UTSNAME]; 1171 1172 linux_get_osrelease(td, osrelease); 1173 sbuf_printf(sb, "%s\n", osrelease); 1174 1175 return (0); 1176 } 1177 1178 /* 1179 * Filler function for proc/sys/kernel/ostype 1180 */ 1181 static int 1182 linprocfs_doostype(PFS_FILL_ARGS) 1183 { 1184 char osname[LINUX_MAX_UTSNAME]; 1185 1186 linux_get_osname(td, osname); 1187 sbuf_printf(sb, "%s\n", osname); 1188 1189 return (0); 1190 } 1191 1192 /* 1193 * Filler function for proc/sys/kernel/version 1194 */ 1195 static int 1196 linprocfs_doosbuild(PFS_FILL_ARGS) 1197 { 1198 1199 linprocfs_osbuild(td, sb); 1200 sbuf_cat(sb, "\n"); 1201 return (0); 1202 } 1203 1204 /* 1205 * Filler function for proc/sys/kernel/msgmni 1206 */ 1207 static int 1208 linprocfs_domsgmni(PFS_FILL_ARGS) 1209 { 1210 1211 sbuf_printf(sb, "%d\n", msginfo.msgmni); 1212 return (0); 1213 } 1214 1215 /* 1216 * Filler function for proc/sys/kernel/pid_max 1217 */ 1218 static int 1219 linprocfs_dopid_max(PFS_FILL_ARGS) 1220 { 1221 1222 sbuf_printf(sb, "%i\n", PID_MAX); 1223 return (0); 1224 } 1225 1226 /* 1227 * Filler function for proc/sys/kernel/sem 1228 */ 1229 static int 1230 linprocfs_dosem(PFS_FILL_ARGS) 1231 { 1232 1233 sbuf_printf(sb, "%d %d %d %d\n", seminfo.semmsl, seminfo.semmns, 1234 seminfo.semopm, seminfo.semmni); 1235 return (0); 1236 } 1237 1238 /* 1239 * Filler function for proc/scsi/device_info 1240 */ 1241 static int 1242 linprocfs_doscsidevinfo(PFS_FILL_ARGS) 1243 { 1244 1245 return (0); 1246 } 1247 1248 /* 1249 * Filler function for proc/scsi/scsi 1250 */ 1251 static int 1252 linprocfs_doscsiscsi(PFS_FILL_ARGS) 1253 { 1254 1255 return (0); 1256 } 1257 1258 extern struct cdevsw *cdevsw[]; 1259 1260 /* 1261 * Filler function for proc/devices 1262 */ 1263 static int 1264 linprocfs_dodevices(PFS_FILL_ARGS) 1265 { 1266 char *char_devices; 1267 sbuf_printf(sb, "Character devices:\n"); 1268 1269 char_devices = linux_get_char_devices(); 1270 sbuf_printf(sb, "%s", char_devices); 1271 linux_free_get_char_devices(char_devices); 1272 1273 sbuf_printf(sb, "\nBlock devices:\n"); 1274 1275 return (0); 1276 } 1277 1278 /* 1279 * Filler function for proc/cmdline 1280 */ 1281 static int 1282 linprocfs_docmdline(PFS_FILL_ARGS) 1283 { 1284 1285 sbuf_printf(sb, "BOOT_IMAGE=%s", kernelname); 1286 sbuf_printf(sb, " ro root=302\n"); 1287 return (0); 1288 } 1289 1290 /* 1291 * Filler function for proc/filesystems 1292 */ 1293 static int 1294 linprocfs_dofilesystems(PFS_FILL_ARGS) 1295 { 1296 struct vfsconf *vfsp; 1297 1298 mtx_lock(&Giant); 1299 TAILQ_FOREACH(vfsp, &vfsconf, vfc_list) { 1300 if (vfsp->vfc_flags & VFCF_SYNTHETIC) 1301 sbuf_printf(sb, "nodev"); 1302 sbuf_printf(sb, "\t%s\n", vfsp->vfc_name); 1303 } 1304 mtx_unlock(&Giant); 1305 return(0); 1306 } 1307 1308 #if 0 1309 /* 1310 * Filler function for proc/modules 1311 */ 1312 static int 1313 linprocfs_domodules(PFS_FILL_ARGS) 1314 { 1315 struct linker_file *lf; 1316 1317 TAILQ_FOREACH(lf, &linker_files, link) { 1318 sbuf_printf(sb, "%-20s%8lu%4d\n", lf->filename, 1319 (unsigned long)lf->size, lf->refs); 1320 } 1321 return (0); 1322 } 1323 #endif 1324 1325 /* 1326 * Filler function for proc/pid/fd 1327 */ 1328 static int 1329 linprocfs_dofdescfs(PFS_FILL_ARGS) 1330 { 1331 1332 if (p == curproc) 1333 sbuf_printf(sb, "/dev/fd"); 1334 else 1335 sbuf_printf(sb, "unknown"); 1336 return (0); 1337 } 1338 1339 /* 1340 * Constructor 1341 */ 1342 static int 1343 linprocfs_init(PFS_INIT_ARGS) 1344 { 1345 struct pfs_node *root; 1346 struct pfs_node *dir; 1347 1348 root = pi->pi_root; 1349 1350 /* /proc/... */ 1351 pfs_create_file(root, "cmdline", &linprocfs_docmdline, 1352 NULL, NULL, NULL, PFS_RD); 1353 pfs_create_file(root, "cpuinfo", &linprocfs_docpuinfo, 1354 NULL, NULL, NULL, PFS_RD); 1355 pfs_create_file(root, "devices", &linprocfs_dodevices, 1356 NULL, NULL, NULL, PFS_RD); 1357 pfs_create_file(root, "filesystems", &linprocfs_dofilesystems, 1358 NULL, NULL, NULL, PFS_RD); 1359 pfs_create_file(root, "loadavg", &linprocfs_doloadavg, 1360 NULL, NULL, NULL, PFS_RD); 1361 pfs_create_file(root, "meminfo", &linprocfs_domeminfo, 1362 NULL, NULL, NULL, PFS_RD); 1363 #if 0 1364 pfs_create_file(root, "modules", &linprocfs_domodules, 1365 NULL, NULL, NULL, PFS_RD); 1366 #endif 1367 pfs_create_file(root, "mounts", &linprocfs_domtab, 1368 NULL, NULL, NULL, PFS_RD); 1369 pfs_create_file(root, "mtab", &linprocfs_domtab, 1370 NULL, NULL, NULL, PFS_RD); 1371 pfs_create_file(root, "partitions", &linprocfs_dopartitions, 1372 NULL, NULL, NULL, PFS_RD); 1373 pfs_create_link(root, "self", &procfs_docurproc, 1374 NULL, NULL, NULL, 0); 1375 pfs_create_file(root, "stat", &linprocfs_dostat, 1376 NULL, NULL, NULL, PFS_RD); 1377 pfs_create_file(root, "swaps", &linprocfs_doswaps, 1378 NULL, NULL, NULL, PFS_RD); 1379 pfs_create_file(root, "uptime", &linprocfs_douptime, 1380 NULL, NULL, NULL, PFS_RD); 1381 pfs_create_file(root, "version", &linprocfs_doversion, 1382 NULL, NULL, NULL, PFS_RD); 1383 1384 /* /proc/net/... */ 1385 dir = pfs_create_dir(root, "net", NULL, NULL, NULL, 0); 1386 pfs_create_file(dir, "dev", &linprocfs_donetdev, 1387 NULL, NULL, NULL, PFS_RD); 1388 1389 /* /proc/<pid>/... */ 1390 dir = pfs_create_dir(root, "pid", NULL, NULL, NULL, PFS_PROCDEP); 1391 pfs_create_file(dir, "cmdline", &linprocfs_doproccmdline, 1392 NULL, NULL, NULL, PFS_RD); 1393 pfs_create_link(dir, "cwd", &linprocfs_doproccwd, 1394 NULL, NULL, NULL, 0); 1395 pfs_create_file(dir, "environ", &linprocfs_doprocenviron, 1396 NULL, NULL, NULL, PFS_RD); 1397 pfs_create_link(dir, "exe", &procfs_doprocfile, 1398 NULL, &procfs_notsystem, NULL, 0); 1399 pfs_create_file(dir, "maps", &linprocfs_doprocmaps, 1400 NULL, NULL, NULL, PFS_RD); 1401 pfs_create_file(dir, "mem", &procfs_doprocmem, 1402 &procfs_attr, &procfs_candebug, NULL, PFS_RDWR|PFS_RAW); 1403 pfs_create_link(dir, "root", &linprocfs_doprocroot, 1404 NULL, NULL, NULL, 0); 1405 pfs_create_file(dir, "stat", &linprocfs_doprocstat, 1406 NULL, NULL, NULL, PFS_RD); 1407 pfs_create_file(dir, "statm", &linprocfs_doprocstatm, 1408 NULL, NULL, NULL, PFS_RD); 1409 pfs_create_file(dir, "status", &linprocfs_doprocstatus, 1410 NULL, NULL, NULL, PFS_RD); 1411 pfs_create_link(dir, "fd", &linprocfs_dofdescfs, 1412 NULL, NULL, NULL, 0); 1413 1414 /* /proc/scsi/... */ 1415 dir = pfs_create_dir(root, "scsi", NULL, NULL, NULL, 0); 1416 pfs_create_file(dir, "device_info", &linprocfs_doscsidevinfo, 1417 NULL, NULL, NULL, PFS_RD); 1418 pfs_create_file(dir, "scsi", &linprocfs_doscsiscsi, 1419 NULL, NULL, NULL, PFS_RD); 1420 1421 /* /proc/sys/... */ 1422 dir = pfs_create_dir(root, "sys", NULL, NULL, NULL, 0); 1423 /* /proc/sys/kernel/... */ 1424 dir = pfs_create_dir(dir, "kernel", NULL, NULL, NULL, 0); 1425 pfs_create_file(dir, "osrelease", &linprocfs_doosrelease, 1426 NULL, NULL, NULL, PFS_RD); 1427 pfs_create_file(dir, "ostype", &linprocfs_doostype, 1428 NULL, NULL, NULL, PFS_RD); 1429 pfs_create_file(dir, "version", &linprocfs_doosbuild, 1430 NULL, NULL, NULL, PFS_RD); 1431 pfs_create_file(dir, "msgmni", &linprocfs_domsgmni, 1432 NULL, NULL, NULL, PFS_RD); 1433 pfs_create_file(dir, "pid_max", &linprocfs_dopid_max, 1434 NULL, NULL, NULL, PFS_RD); 1435 pfs_create_file(dir, "sem", &linprocfs_dosem, 1436 NULL, NULL, NULL, PFS_RD); 1437 1438 return (0); 1439 } 1440 1441 /* 1442 * Destructor 1443 */ 1444 static int 1445 linprocfs_uninit(PFS_INIT_ARGS) 1446 { 1447 1448 /* nothing to do, pseudofs will GC */ 1449 return (0); 1450 } 1451 1452 PSEUDOFS(linprocfs, 1, 0); 1453 MODULE_DEPEND(linprocfs, linux, 1, 1, 1); 1454 MODULE_DEPEND(linprocfs, procfs, 1, 1, 1); 1455 MODULE_DEPEND(linprocfs, sysvmsg, 1, 1, 1); 1456 MODULE_DEPEND(linprocfs, sysvsem, 1, 1, 1);
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