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("$FreeBSD$"); 46 47 #include <sys/param.h> 48 #include <sys/queue.h> 49 #include <sys/blist.h> 50 #include <sys/conf.h> 51 #include <sys/exec.h> 52 #include <sys/fcntl.h> 53 #include <sys/filedesc.h> 54 #include <sys/jail.h> 55 #include <sys/kernel.h> 56 #include <sys/limits.h> 57 #include <sys/linker.h> 58 #include <sys/lock.h> 59 #include <sys/malloc.h> 60 #include <sys/msg.h> 61 #include <sys/mutex.h> 62 #include <sys/namei.h> 63 #include <sys/proc.h> 64 #include <sys/ptrace.h> 65 #include <sys/resourcevar.h> 66 #include <sys/sbuf.h> 67 #include <sys/sem.h> 68 #include <sys/smp.h> 69 #include <sys/socket.h> 70 #include <sys/syscallsubr.h> 71 #include <sys/sysctl.h> 72 #include <sys/systm.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 81 #include <net/if.h> 82 #include <net/if_var.h> 83 #include <net/vnet.h> 84 85 #include <vm/vm.h> 86 #include <vm/vm_extern.h> 87 #include <vm/pmap.h> 88 #include <vm/vm_map.h> 89 #include <vm/vm_param.h> 90 #include <vm/vm_object.h> 91 #include <vm/swap_pager.h> 92 93 #include <machine/clock.h> 94 95 #include <geom/geom.h> 96 #include <geom/geom_int.h> 97 98 #if defined(__i386__) || defined(__amd64__) 99 #include <machine/cputypes.h> 100 #include <machine/md_var.h> 101 #endif /* __i386__ || __amd64__ */ 102 103 #ifdef COMPAT_FREEBSD32 104 #include <compat/freebsd32/freebsd32_util.h> 105 #endif 106 107 #include <compat/linux/linux_ioctl.h> 108 #include <compat/linux/linux_mib.h> 109 #include <compat/linux/linux_misc.h> 110 #include <compat/linux/linux_util.h> 111 #include <fs/pseudofs/pseudofs.h> 112 #include <fs/procfs/procfs.h> 113 114 /* 115 * Various conversion macros 116 */ 117 #define T2J(x) ((long)(((x) * 100ULL) / (stathz ? stathz : hz))) /* ticks to jiffies */ 118 #define T2CS(x) ((unsigned long)(((x) * 100ULL) / (stathz ? stathz : hz))) /* ticks to centiseconds */ 119 #define T2S(x) ((x) / (stathz ? stathz : hz)) /* ticks to seconds */ 120 #define B2K(x) ((x) >> 10) /* bytes to kbytes */ 121 #define B2P(x) ((x) >> PAGE_SHIFT) /* bytes to pages */ 122 #define P2B(x) ((x) << PAGE_SHIFT) /* pages to bytes */ 123 #define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* pages to kbytes */ 124 #define TV2J(x) ((x)->tv_sec * 100UL + (x)->tv_usec / 10000) 125 126 /** 127 * @brief Mapping of ki_stat in struct kinfo_proc to the linux state 128 * 129 * The linux procfs state field displays one of the characters RSDZTW to 130 * denote running, sleeping in an interruptible wait, waiting in an 131 * uninterruptible disk sleep, a zombie process, process is being traced 132 * or stopped, or process is paging respectively. 133 * 134 * Our struct kinfo_proc contains the variable ki_stat which contains a 135 * value out of SIDL, SRUN, SSLEEP, SSTOP, SZOMB, SWAIT and SLOCK. 136 * 137 * This character array is used with ki_stati-1 as an index and tries to 138 * map our states to suitable linux states. 139 */ 140 static char linux_state[] = "RRSTZDD"; 141 142 /* 143 * Filler function for proc/meminfo 144 */ 145 static int 146 linprocfs_domeminfo(PFS_FILL_ARGS) 147 { 148 unsigned long memtotal; /* total memory in bytes */ 149 unsigned long memused; /* used memory in bytes */ 150 unsigned long memfree; /* free memory in bytes */ 151 unsigned long memshared; /* shared memory ??? */ 152 unsigned long buffers, cached; /* buffer / cache memory ??? */ 153 unsigned long long swaptotal; /* total swap space in bytes */ 154 unsigned long long swapused; /* used swap space in bytes */ 155 unsigned long long swapfree; /* free swap space in bytes */ 156 vm_object_t object; 157 int i, j; 158 159 memtotal = physmem * PAGE_SIZE; 160 /* 161 * The correct thing here would be: 162 * 163 memfree = vm_cnt.v_free_count * PAGE_SIZE; 164 memused = memtotal - memfree; 165 * 166 * but it might mislead linux binaries into thinking there 167 * is very little memory left, so we cheat and tell them that 168 * all memory that isn't wired down is free. 169 */ 170 memused = vm_cnt.v_wire_count * PAGE_SIZE; 171 memfree = memtotal - memused; 172 swap_pager_status(&i, &j); 173 swaptotal = (unsigned long long)i * PAGE_SIZE; 174 swapused = (unsigned long long)j * PAGE_SIZE; 175 swapfree = swaptotal - swapused; 176 memshared = 0; 177 mtx_lock(&vm_object_list_mtx); 178 TAILQ_FOREACH(object, &vm_object_list, object_list) 179 if (object->shadow_count > 1) 180 memshared += object->resident_page_count; 181 mtx_unlock(&vm_object_list_mtx); 182 memshared *= PAGE_SIZE; 183 /* 184 * We'd love to be able to write: 185 * 186 buffers = bufspace; 187 * 188 * but bufspace is internal to vfs_bio.c and we don't feel 189 * like unstaticizing it just for linprocfs's sake. 190 */ 191 buffers = 0; 192 cached = vm_cnt.v_cache_count * PAGE_SIZE; 193 194 sbuf_printf(sb, 195 " total: used: free: shared: buffers: cached:\n" 196 "Mem: %lu %lu %lu %lu %lu %lu\n" 197 "Swap: %llu %llu %llu\n" 198 "MemTotal: %9lu kB\n" 199 "MemFree: %9lu kB\n" 200 "MemShared:%9lu kB\n" 201 "Buffers: %9lu kB\n" 202 "Cached: %9lu kB\n" 203 "SwapTotal:%9llu kB\n" 204 "SwapFree: %9llu kB\n", 205 memtotal, memused, memfree, memshared, buffers, cached, 206 swaptotal, swapused, swapfree, 207 B2K(memtotal), B2K(memfree), 208 B2K(memshared), B2K(buffers), B2K(cached), 209 B2K(swaptotal), B2K(swapfree)); 210 211 return (0); 212 } 213 214 #if defined(__i386__) || defined(__amd64__) 215 /* 216 * Filler function for proc/cpuinfo (i386 & amd64 version) 217 */ 218 static int 219 linprocfs_docpuinfo(PFS_FILL_ARGS) 220 { 221 int hw_model[2]; 222 char model[128]; 223 uint64_t freq; 224 size_t size; 225 int class, fqmhz, fqkhz; 226 int i; 227 228 /* 229 * We default the flags to include all non-conflicting flags, 230 * and the Intel versions of conflicting flags. 231 */ 232 static char *flags[] = { 233 "fpu", "vme", "de", "pse", "tsc", 234 "msr", "pae", "mce", "cx8", "apic", 235 "sep", "sep", "mtrr", "pge", "mca", 236 "cmov", "pat", "pse36", "pn", "b19", 237 "b20", "b21", "mmxext", "mmx", "fxsr", 238 "xmm", "sse2", "b27", "b28", "b29", 239 "3dnowext", "3dnow" 240 }; 241 242 switch (cpu_class) { 243 #ifdef __i386__ 244 case CPUCLASS_286: 245 class = 2; 246 break; 247 case CPUCLASS_386: 248 class = 3; 249 break; 250 case CPUCLASS_486: 251 class = 4; 252 break; 253 case CPUCLASS_586: 254 class = 5; 255 break; 256 case CPUCLASS_686: 257 class = 6; 258 break; 259 default: 260 class = 0; 261 break; 262 #else /* __amd64__ */ 263 default: 264 class = 15; 265 break; 266 #endif 267 } 268 269 hw_model[0] = CTL_HW; 270 hw_model[1] = HW_MODEL; 271 model[0] = '\0'; 272 size = sizeof(model); 273 if (kernel_sysctl(td, hw_model, 2, &model, &size, 0, 0, 0, 0) != 0) 274 strcpy(model, "unknown"); 275 for (i = 0; i < mp_ncpus; ++i) { 276 sbuf_printf(sb, 277 "processor\t: %d\n" 278 "vendor_id\t: %.20s\n" 279 "cpu family\t: %u\n" 280 "model\t\t: %u\n" 281 "model name\t: %s\n" 282 "stepping\t: %u\n\n", 283 i, cpu_vendor, CPUID_TO_FAMILY(cpu_id), 284 CPUID_TO_MODEL(cpu_id), model, cpu_id & CPUID_STEPPING); 285 /* XXX per-cpu vendor / class / model / id? */ 286 } 287 288 sbuf_cat(sb, "flags\t\t:"); 289 290 #ifdef __i386__ 291 switch (cpu_vendor_id) { 292 case CPU_VENDOR_AMD: 293 if (class < 6) 294 flags[16] = "fcmov"; 295 break; 296 case CPU_VENDOR_CYRIX: 297 flags[24] = "cxmmx"; 298 break; 299 } 300 #endif 301 302 for (i = 0; i < 32; i++) 303 if (cpu_feature & (1 << i)) 304 sbuf_printf(sb, " %s", flags[i]); 305 sbuf_cat(sb, "\n"); 306 freq = atomic_load_acq_64(&tsc_freq); 307 if (freq != 0) { 308 fqmhz = (freq + 4999) / 1000000; 309 fqkhz = ((freq + 4999) / 10000) % 100; 310 sbuf_printf(sb, 311 "cpu MHz\t\t: %d.%02d\n" 312 "bogomips\t: %d.%02d\n", 313 fqmhz, fqkhz, fqmhz, fqkhz); 314 } 315 316 return (0); 317 } 318 #endif /* __i386__ || __amd64__ */ 319 320 /* 321 * Filler function for proc/mtab 322 * 323 * This file doesn't exist in Linux' procfs, but is included here so 324 * users can symlink /compat/linux/etc/mtab to /proc/mtab 325 */ 326 static int 327 linprocfs_domtab(PFS_FILL_ARGS) 328 { 329 struct nameidata nd; 330 const char *lep; 331 char *dlep, *flep, *mntto, *mntfrom, *fstype; 332 size_t lep_len; 333 int error; 334 struct statfs *buf, *sp; 335 size_t count; 336 337 /* resolve symlinks etc. in the emulation tree prefix */ 338 NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, linux_emul_path, td); 339 flep = NULL; 340 error = namei(&nd); 341 lep = linux_emul_path; 342 if (error == 0) { 343 if (vn_fullpath(td, nd.ni_vp, &dlep, &flep) == 0) 344 lep = dlep; 345 vrele(nd.ni_vp); 346 } 347 lep_len = strlen(lep); 348 349 buf = NULL; 350 error = kern_getfsstat(td, &buf, SIZE_T_MAX, &count, 351 UIO_SYSSPACE, MNT_WAIT); 352 if (error != 0) { 353 free(buf, M_TEMP); 354 free(flep, M_TEMP); 355 return (error); 356 } 357 358 for (sp = buf; count > 0; sp++, count--) { 359 /* determine device name */ 360 mntfrom = sp->f_mntfromname; 361 362 /* determine mount point */ 363 mntto = sp->f_mntonname; 364 if (strncmp(mntto, lep, lep_len) == 0 && mntto[lep_len] == '/') 365 mntto += lep_len; 366 367 /* determine fs type */ 368 fstype = sp->f_fstypename; 369 if (strcmp(fstype, pn->pn_info->pi_name) == 0) 370 mntfrom = fstype = "proc"; 371 else if (strcmp(fstype, "procfs") == 0) 372 continue; 373 374 if (strcmp(fstype, "linsysfs") == 0) { 375 sbuf_printf(sb, "/sys %s sysfs %s", mntto, 376 sp->f_flags & MNT_RDONLY ? "ro" : "rw"); 377 } else { 378 /* For Linux msdosfs is called vfat */ 379 if (strcmp(fstype, "msdosfs") == 0) 380 fstype = "vfat"; 381 sbuf_printf(sb, "%s %s %s %s", mntfrom, mntto, fstype, 382 sp->f_flags & MNT_RDONLY ? "ro" : "rw"); 383 } 384 #define ADD_OPTION(opt, name) \ 385 if (sp->f_flags & (opt)) sbuf_printf(sb, "," name); 386 ADD_OPTION(MNT_SYNCHRONOUS, "sync"); 387 ADD_OPTION(MNT_NOEXEC, "noexec"); 388 ADD_OPTION(MNT_NOSUID, "nosuid"); 389 ADD_OPTION(MNT_UNION, "union"); 390 ADD_OPTION(MNT_ASYNC, "async"); 391 ADD_OPTION(MNT_SUIDDIR, "suiddir"); 392 ADD_OPTION(MNT_NOSYMFOLLOW, "nosymfollow"); 393 ADD_OPTION(MNT_NOATIME, "noatime"); 394 #undef ADD_OPTION 395 /* a real Linux mtab will also show NFS options */ 396 sbuf_printf(sb, " 0 0\n"); 397 } 398 399 free(buf, M_TEMP); 400 free(flep, M_TEMP); 401 return (error); 402 } 403 404 /* 405 * Filler function for proc/partitions 406 */ 407 static int 408 linprocfs_dopartitions(PFS_FILL_ARGS) 409 { 410 struct g_class *cp; 411 struct g_geom *gp; 412 struct g_provider *pp; 413 int major, minor; 414 415 g_topology_lock(); 416 sbuf_printf(sb, "major minor #blocks name rio rmerge rsect " 417 "ruse wio wmerge wsect wuse running use aveq\n"); 418 419 LIST_FOREACH(cp, &g_classes, class) { 420 if (strcmp(cp->name, "DISK") == 0 || 421 strcmp(cp->name, "PART") == 0) 422 LIST_FOREACH(gp, &cp->geom, geom) { 423 LIST_FOREACH(pp, &gp->provider, provider) { 424 if (linux_driver_get_major_minor( 425 pp->name, &major, &minor) != 0) { 426 major = 0; 427 minor = 0; 428 } 429 sbuf_printf(sb, "%d %d %lld %s " 430 "%d %d %d %d %d " 431 "%d %d %d %d %d %d\n", 432 major, minor, 433 (long long)pp->mediasize, pp->name, 434 0, 0, 0, 0, 0, 435 0, 0, 0, 0, 0, 0); 436 } 437 } 438 } 439 g_topology_unlock(); 440 441 return (0); 442 } 443 444 445 /* 446 * Filler function for proc/stat 447 */ 448 static int 449 linprocfs_dostat(PFS_FILL_ARGS) 450 { 451 struct pcpu *pcpu; 452 long cp_time[CPUSTATES]; 453 long *cp; 454 int i; 455 456 read_cpu_time(cp_time); 457 sbuf_printf(sb, "cpu %ld %ld %ld %ld\n", 458 T2J(cp_time[CP_USER]), 459 T2J(cp_time[CP_NICE]), 460 T2J(cp_time[CP_SYS] /*+ cp_time[CP_INTR]*/), 461 T2J(cp_time[CP_IDLE])); 462 CPU_FOREACH(i) { 463 pcpu = pcpu_find(i); 464 cp = pcpu->pc_cp_time; 465 sbuf_printf(sb, "cpu%d %ld %ld %ld %ld\n", i, 466 T2J(cp[CP_USER]), 467 T2J(cp[CP_NICE]), 468 T2J(cp[CP_SYS] /*+ cp[CP_INTR]*/), 469 T2J(cp[CP_IDLE])); 470 } 471 sbuf_printf(sb, 472 "disk 0 0 0 0\n" 473 "page %u %u\n" 474 "swap %u %u\n" 475 "intr %u\n" 476 "ctxt %u\n" 477 "btime %lld\n", 478 vm_cnt.v_vnodepgsin, 479 vm_cnt.v_vnodepgsout, 480 vm_cnt.v_swappgsin, 481 vm_cnt.v_swappgsout, 482 vm_cnt.v_intr, 483 vm_cnt.v_swtch, 484 (long long)boottime.tv_sec); 485 return (0); 486 } 487 488 static int 489 linprocfs_doswaps(PFS_FILL_ARGS) 490 { 491 struct xswdev xsw; 492 uintmax_t total, used; 493 int n; 494 char devname[SPECNAMELEN + 1]; 495 496 sbuf_printf(sb, "Filename\t\t\t\tType\t\tSize\tUsed\tPriority\n"); 497 mtx_lock(&Giant); 498 for (n = 0; ; n++) { 499 if (swap_dev_info(n, &xsw, devname, sizeof(devname)) != 0) 500 break; 501 total = (uintmax_t)xsw.xsw_nblks * PAGE_SIZE / 1024; 502 used = (uintmax_t)xsw.xsw_used * PAGE_SIZE / 1024; 503 504 /* 505 * The space and not tab after the device name is on 506 * purpose. Linux does so. 507 */ 508 sbuf_printf(sb, "/dev/%-34s unknown\t\t%jd\t%jd\t-1\n", 509 devname, total, used); 510 } 511 mtx_unlock(&Giant); 512 return (0); 513 } 514 515 /* 516 * Filler function for proc/uptime 517 */ 518 static int 519 linprocfs_douptime(PFS_FILL_ARGS) 520 { 521 long cp_time[CPUSTATES]; 522 struct timeval tv; 523 524 getmicrouptime(&tv); 525 read_cpu_time(cp_time); 526 sbuf_printf(sb, "%lld.%02ld %ld.%02lu\n", 527 (long long)tv.tv_sec, tv.tv_usec / 10000, 528 T2S(cp_time[CP_IDLE] / mp_ncpus), 529 T2CS(cp_time[CP_IDLE] / mp_ncpus) % 100); 530 return (0); 531 } 532 533 /* 534 * Get OS build date 535 */ 536 static void 537 linprocfs_osbuild(struct thread *td, struct sbuf *sb) 538 { 539 #if 0 540 char osbuild[256]; 541 char *cp1, *cp2; 542 543 strncpy(osbuild, version, 256); 544 osbuild[255] = '\0'; 545 cp1 = strstr(osbuild, "\n"); 546 cp2 = strstr(osbuild, ":"); 547 if (cp1 && cp2) { 548 *cp1 = *cp2 = '\0'; 549 cp1 = strstr(osbuild, "#"); 550 } else 551 cp1 = NULL; 552 if (cp1) 553 sbuf_printf(sb, "%s%s", cp1, cp2 + 1); 554 else 555 #endif 556 sbuf_cat(sb, "#4 Sun Dec 18 04:30:00 CET 1977"); 557 } 558 559 /* 560 * Get OS builder 561 */ 562 static void 563 linprocfs_osbuilder(struct thread *td, struct sbuf *sb) 564 { 565 #if 0 566 char builder[256]; 567 char *cp; 568 569 cp = strstr(version, "\n "); 570 if (cp) { 571 strncpy(builder, cp + 5, 256); 572 builder[255] = '\0'; 573 cp = strstr(builder, ":"); 574 if (cp) 575 *cp = '\0'; 576 } 577 if (cp) 578 sbuf_cat(sb, builder); 579 else 580 #endif 581 sbuf_cat(sb, "des@freebsd.org"); 582 } 583 584 /* 585 * Filler function for proc/version 586 */ 587 static int 588 linprocfs_doversion(PFS_FILL_ARGS) 589 { 590 char osname[LINUX_MAX_UTSNAME]; 591 char osrelease[LINUX_MAX_UTSNAME]; 592 593 linux_get_osname(td, osname); 594 linux_get_osrelease(td, osrelease); 595 sbuf_printf(sb, "%s version %s (", osname, osrelease); 596 linprocfs_osbuilder(td, sb); 597 sbuf_cat(sb, ") (gcc version " __VERSION__ ") "); 598 linprocfs_osbuild(td, sb); 599 sbuf_cat(sb, "\n"); 600 601 return (0); 602 } 603 604 /* 605 * Filler function for proc/loadavg 606 */ 607 static int 608 linprocfs_doloadavg(PFS_FILL_ARGS) 609 { 610 611 sbuf_printf(sb, 612 "%d.%02d %d.%02d %d.%02d %d/%d %d\n", 613 (int)(averunnable.ldavg[0] / averunnable.fscale), 614 (int)(averunnable.ldavg[0] * 100 / averunnable.fscale % 100), 615 (int)(averunnable.ldavg[1] / averunnable.fscale), 616 (int)(averunnable.ldavg[1] * 100 / averunnable.fscale % 100), 617 (int)(averunnable.ldavg[2] / averunnable.fscale), 618 (int)(averunnable.ldavg[2] * 100 / averunnable.fscale % 100), 619 1, /* number of running tasks */ 620 nprocs, /* number of tasks */ 621 lastpid /* the last pid */ 622 ); 623 return (0); 624 } 625 626 /* 627 * Filler function for proc/pid/stat 628 */ 629 static int 630 linprocfs_doprocstat(PFS_FILL_ARGS) 631 { 632 struct kinfo_proc kp; 633 char state; 634 static int ratelimit = 0; 635 vm_offset_t startcode, startdata; 636 637 sx_slock(&proctree_lock); 638 PROC_LOCK(p); 639 fill_kinfo_proc(p, &kp); 640 sx_sunlock(&proctree_lock); 641 if (p->p_vmspace) { 642 startcode = (vm_offset_t)p->p_vmspace->vm_taddr; 643 startdata = (vm_offset_t)p->p_vmspace->vm_daddr; 644 } else { 645 startcode = 0; 646 startdata = 0; 647 }; 648 sbuf_printf(sb, "%d", p->p_pid); 649 #define PS_ADD(name, fmt, arg) sbuf_printf(sb, " " fmt, arg) 650 PS_ADD("comm", "(%s)", p->p_comm); 651 if (kp.ki_stat > sizeof(linux_state)) { 652 state = 'R'; 653 654 if (ratelimit == 0) { 655 printf("linprocfs: don't know how to handle unknown FreeBSD state %d/%zd, mapping to R\n", 656 kp.ki_stat, sizeof(linux_state)); 657 ++ratelimit; 658 } 659 } else 660 state = linux_state[kp.ki_stat - 1]; 661 PS_ADD("state", "%c", state); 662 PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0); 663 PS_ADD("pgrp", "%d", p->p_pgid); 664 PS_ADD("session", "%d", p->p_session->s_sid); 665 PROC_UNLOCK(p); 666 PS_ADD("tty", "%ju", (uintmax_t)kp.ki_tdev); 667 PS_ADD("tpgid", "%d", kp.ki_tpgid); 668 PS_ADD("flags", "%u", 0); /* XXX */ 669 PS_ADD("minflt", "%lu", kp.ki_rusage.ru_minflt); 670 PS_ADD("cminflt", "%lu", kp.ki_rusage_ch.ru_minflt); 671 PS_ADD("majflt", "%lu", kp.ki_rusage.ru_majflt); 672 PS_ADD("cmajflt", "%lu", kp.ki_rusage_ch.ru_majflt); 673 PS_ADD("utime", "%ld", TV2J(&kp.ki_rusage.ru_utime)); 674 PS_ADD("stime", "%ld", TV2J(&kp.ki_rusage.ru_stime)); 675 PS_ADD("cutime", "%ld", TV2J(&kp.ki_rusage_ch.ru_utime)); 676 PS_ADD("cstime", "%ld", TV2J(&kp.ki_rusage_ch.ru_stime)); 677 PS_ADD("priority", "%d", kp.ki_pri.pri_user); 678 PS_ADD("nice", "%d", kp.ki_nice); /* 19 (nicest) to -19 */ 679 PS_ADD("0", "%d", 0); /* removed field */ 680 PS_ADD("itrealvalue", "%d", 0); /* XXX */ 681 PS_ADD("starttime", "%lu", TV2J(&kp.ki_start) - TV2J(&boottime)); 682 PS_ADD("vsize", "%ju", P2K((uintmax_t)kp.ki_size)); 683 PS_ADD("rss", "%ju", (uintmax_t)kp.ki_rssize); 684 PS_ADD("rlim", "%lu", kp.ki_rusage.ru_maxrss); 685 PS_ADD("startcode", "%ju", (uintmax_t)startcode); 686 PS_ADD("endcode", "%ju", (uintmax_t)startdata); 687 PS_ADD("startstack", "%u", 0); /* XXX */ 688 PS_ADD("kstkesp", "%u", 0); /* XXX */ 689 PS_ADD("kstkeip", "%u", 0); /* XXX */ 690 PS_ADD("signal", "%u", 0); /* XXX */ 691 PS_ADD("blocked", "%u", 0); /* XXX */ 692 PS_ADD("sigignore", "%u", 0); /* XXX */ 693 PS_ADD("sigcatch", "%u", 0); /* XXX */ 694 PS_ADD("wchan", "%u", 0); /* XXX */ 695 PS_ADD("nswap", "%lu", kp.ki_rusage.ru_nswap); 696 PS_ADD("cnswap", "%lu", kp.ki_rusage_ch.ru_nswap); 697 PS_ADD("exitsignal", "%d", 0); /* XXX */ 698 PS_ADD("processor", "%u", kp.ki_lastcpu); 699 PS_ADD("rt_priority", "%u", 0); /* XXX */ /* >= 2.5.19 */ 700 PS_ADD("policy", "%u", kp.ki_pri.pri_class); /* >= 2.5.19 */ 701 #undef PS_ADD 702 sbuf_putc(sb, '\n'); 703 704 return (0); 705 } 706 707 /* 708 * Filler function for proc/pid/statm 709 */ 710 static int 711 linprocfs_doprocstatm(PFS_FILL_ARGS) 712 { 713 struct kinfo_proc kp; 714 segsz_t lsize; 715 716 sx_slock(&proctree_lock); 717 PROC_LOCK(p); 718 fill_kinfo_proc(p, &kp); 719 PROC_UNLOCK(p); 720 sx_sunlock(&proctree_lock); 721 722 /* 723 * See comments in linprocfs_doprocstatus() regarding the 724 * computation of lsize. 725 */ 726 /* size resident share trs drs lrs dt */ 727 sbuf_printf(sb, "%ju ", B2P((uintmax_t)kp.ki_size)); 728 sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_rssize); 729 sbuf_printf(sb, "%ju ", (uintmax_t)0); /* XXX */ 730 sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_tsize); 731 sbuf_printf(sb, "%ju ", (uintmax_t)(kp.ki_dsize + kp.ki_ssize)); 732 lsize = B2P(kp.ki_size) - kp.ki_dsize - 733 kp.ki_ssize - kp.ki_tsize - 1; 734 sbuf_printf(sb, "%ju ", (uintmax_t)lsize); 735 sbuf_printf(sb, "%ju\n", (uintmax_t)0); /* XXX */ 736 737 return (0); 738 } 739 740 /* 741 * Filler function for proc/pid/status 742 */ 743 static int 744 linprocfs_doprocstatus(PFS_FILL_ARGS) 745 { 746 struct kinfo_proc kp; 747 char *state; 748 segsz_t lsize; 749 struct thread *td2; 750 struct sigacts *ps; 751 int i; 752 753 sx_slock(&proctree_lock); 754 PROC_LOCK(p); 755 td2 = FIRST_THREAD_IN_PROC(p); /* XXXKSE pretend only one thread */ 756 757 if (P_SHOULDSTOP(p)) { 758 state = "T (stopped)"; 759 } else { 760 switch(p->p_state) { 761 case PRS_NEW: 762 state = "I (idle)"; 763 break; 764 case PRS_NORMAL: 765 if (p->p_flag & P_WEXIT) { 766 state = "X (exiting)"; 767 break; 768 } 769 switch(td2->td_state) { 770 case TDS_INHIBITED: 771 state = "S (sleeping)"; 772 break; 773 case TDS_RUNQ: 774 case TDS_RUNNING: 775 state = "R (running)"; 776 break; 777 default: 778 state = "? (unknown)"; 779 break; 780 } 781 break; 782 case PRS_ZOMBIE: 783 state = "Z (zombie)"; 784 break; 785 default: 786 state = "? (unknown)"; 787 break; 788 } 789 } 790 791 fill_kinfo_proc(p, &kp); 792 sx_sunlock(&proctree_lock); 793 794 sbuf_printf(sb, "Name:\t%s\n", p->p_comm); /* XXX escape */ 795 sbuf_printf(sb, "State:\t%s\n", state); 796 797 /* 798 * Credentials 799 */ 800 sbuf_printf(sb, "Pid:\t%d\n", p->p_pid); 801 sbuf_printf(sb, "PPid:\t%d\n", p->p_pptr ? 802 p->p_pptr->p_pid : 0); 803 sbuf_printf(sb, "Uid:\t%d %d %d %d\n", p->p_ucred->cr_ruid, 804 p->p_ucred->cr_uid, 805 p->p_ucred->cr_svuid, 806 /* FreeBSD doesn't have fsuid */ 807 p->p_ucred->cr_uid); 808 sbuf_printf(sb, "Gid:\t%d %d %d %d\n", p->p_ucred->cr_rgid, 809 p->p_ucred->cr_gid, 810 p->p_ucred->cr_svgid, 811 /* FreeBSD doesn't have fsgid */ 812 p->p_ucred->cr_gid); 813 sbuf_cat(sb, "Groups:\t"); 814 for (i = 0; i < p->p_ucred->cr_ngroups; i++) 815 sbuf_printf(sb, "%d ", p->p_ucred->cr_groups[i]); 816 PROC_UNLOCK(p); 817 sbuf_putc(sb, '\n'); 818 819 /* 820 * Memory 821 * 822 * While our approximation of VmLib may not be accurate (I 823 * don't know of a simple way to verify it, and I'm not sure 824 * it has much meaning anyway), I believe it's good enough. 825 * 826 * The same code that could (I think) accurately compute VmLib 827 * could also compute VmLck, but I don't really care enough to 828 * implement it. Submissions are welcome. 829 */ 830 sbuf_printf(sb, "VmSize:\t%8ju kB\n", B2K((uintmax_t)kp.ki_size)); 831 sbuf_printf(sb, "VmLck:\t%8u kB\n", P2K(0)); /* XXX */ 832 sbuf_printf(sb, "VmRSS:\t%8ju kB\n", P2K((uintmax_t)kp.ki_rssize)); 833 sbuf_printf(sb, "VmData:\t%8ju kB\n", P2K((uintmax_t)kp.ki_dsize)); 834 sbuf_printf(sb, "VmStk:\t%8ju kB\n", P2K((uintmax_t)kp.ki_ssize)); 835 sbuf_printf(sb, "VmExe:\t%8ju kB\n", P2K((uintmax_t)kp.ki_tsize)); 836 lsize = B2P(kp.ki_size) - kp.ki_dsize - 837 kp.ki_ssize - kp.ki_tsize - 1; 838 sbuf_printf(sb, "VmLib:\t%8ju kB\n", P2K((uintmax_t)lsize)); 839 840 /* 841 * Signal masks 842 * 843 * We support up to 128 signals, while Linux supports 32, 844 * but we only define 32 (the same 32 as Linux, to boot), so 845 * just show the lower 32 bits of each mask. XXX hack. 846 * 847 * NB: on certain platforms (Sparc at least) Linux actually 848 * supports 64 signals, but this code is a long way from 849 * running on anything but i386, so ignore that for now. 850 */ 851 PROC_LOCK(p); 852 sbuf_printf(sb, "SigPnd:\t%08x\n", p->p_siglist.__bits[0]); 853 /* 854 * I can't seem to find out where the signal mask is in 855 * relation to struct proc, so SigBlk is left unimplemented. 856 */ 857 sbuf_printf(sb, "SigBlk:\t%08x\n", 0); /* XXX */ 858 ps = p->p_sigacts; 859 mtx_lock(&ps->ps_mtx); 860 sbuf_printf(sb, "SigIgn:\t%08x\n", ps->ps_sigignore.__bits[0]); 861 sbuf_printf(sb, "SigCgt:\t%08x\n", ps->ps_sigcatch.__bits[0]); 862 mtx_unlock(&ps->ps_mtx); 863 PROC_UNLOCK(p); 864 865 /* 866 * Linux also prints the capability masks, but we don't have 867 * capabilities yet, and when we do get them they're likely to 868 * be meaningless to Linux programs, so we lie. XXX 869 */ 870 sbuf_printf(sb, "CapInh:\t%016x\n", 0); 871 sbuf_printf(sb, "CapPrm:\t%016x\n", 0); 872 sbuf_printf(sb, "CapEff:\t%016x\n", 0); 873 874 return (0); 875 } 876 877 878 /* 879 * Filler function for proc/pid/cwd 880 */ 881 static int 882 linprocfs_doproccwd(PFS_FILL_ARGS) 883 { 884 char *fullpath = "unknown"; 885 char *freepath = NULL; 886 887 vn_fullpath(td, p->p_fd->fd_cdir, &fullpath, &freepath); 888 sbuf_printf(sb, "%s", fullpath); 889 if (freepath) 890 free(freepath, M_TEMP); 891 return (0); 892 } 893 894 /* 895 * Filler function for proc/pid/root 896 */ 897 static int 898 linprocfs_doprocroot(PFS_FILL_ARGS) 899 { 900 struct vnode *rvp; 901 char *fullpath = "unknown"; 902 char *freepath = NULL; 903 904 rvp = jailed(p->p_ucred) ? p->p_fd->fd_jdir : p->p_fd->fd_rdir; 905 vn_fullpath(td, rvp, &fullpath, &freepath); 906 sbuf_printf(sb, "%s", fullpath); 907 if (freepath) 908 free(freepath, M_TEMP); 909 return (0); 910 } 911 912 /* 913 * Filler function for proc/pid/cmdline 914 */ 915 static int 916 linprocfs_doproccmdline(PFS_FILL_ARGS) 917 { 918 int ret; 919 920 PROC_LOCK(p); 921 if ((ret = p_cansee(td, p)) != 0) { 922 PROC_UNLOCK(p); 923 return (ret); 924 } 925 926 /* 927 * Mimic linux behavior and pass only processes with usermode 928 * address space as valid. Return zero silently otherwize. 929 */ 930 if (p->p_vmspace == &vmspace0) { 931 PROC_UNLOCK(p); 932 return (0); 933 } 934 if (p->p_args != NULL) { 935 sbuf_bcpy(sb, p->p_args->ar_args, p->p_args->ar_length); 936 PROC_UNLOCK(p); 937 return (0); 938 } 939 940 if ((p->p_flag & P_SYSTEM) != 0) { 941 PROC_UNLOCK(p); 942 return (0); 943 } 944 945 PROC_UNLOCK(p); 946 947 ret = proc_getargv(td, p, sb); 948 return (ret); 949 } 950 951 /* 952 * Filler function for proc/pid/environ 953 */ 954 static int 955 linprocfs_doprocenviron(PFS_FILL_ARGS) 956 { 957 int ret; 958 959 PROC_LOCK(p); 960 if ((ret = p_candebug(td, p)) != 0) { 961 PROC_UNLOCK(p); 962 return (ret); 963 } 964 965 /* 966 * Mimic linux behavior and pass only processes with usermode 967 * address space as valid. Return zero silently otherwize. 968 */ 969 if (p->p_vmspace == &vmspace0) { 970 PROC_UNLOCK(p); 971 return (0); 972 } 973 974 if ((p->p_flag & P_SYSTEM) != 0) { 975 PROC_UNLOCK(p); 976 return (0); 977 } 978 979 PROC_UNLOCK(p); 980 981 ret = proc_getenvv(td, p, sb); 982 return (ret); 983 } 984 985 /* 986 * Filler function for proc/pid/maps 987 */ 988 static int 989 linprocfs_doprocmaps(PFS_FILL_ARGS) 990 { 991 struct vmspace *vm; 992 vm_map_t map; 993 vm_map_entry_t entry, tmp_entry; 994 vm_object_t obj, tobj, lobj; 995 vm_offset_t e_start, e_end; 996 vm_ooffset_t off = 0; 997 vm_prot_t e_prot; 998 unsigned int last_timestamp; 999 char *name = "", *freename = NULL; 1000 ino_t ino; 1001 int ref_count, shadow_count, flags; 1002 int error; 1003 struct vnode *vp; 1004 struct vattr vat; 1005 1006 PROC_LOCK(p); 1007 error = p_candebug(td, p); 1008 PROC_UNLOCK(p); 1009 if (error) 1010 return (error); 1011 1012 if (uio->uio_rw != UIO_READ) 1013 return (EOPNOTSUPP); 1014 1015 error = 0; 1016 vm = vmspace_acquire_ref(p); 1017 if (vm == NULL) 1018 return (ESRCH); 1019 map = &vm->vm_map; 1020 vm_map_lock_read(map); 1021 for (entry = map->header.next; entry != &map->header; 1022 entry = entry->next) { 1023 name = ""; 1024 freename = NULL; 1025 if (entry->eflags & MAP_ENTRY_IS_SUB_MAP) 1026 continue; 1027 e_prot = entry->protection; 1028 e_start = entry->start; 1029 e_end = entry->end; 1030 obj = entry->object.vm_object; 1031 for (lobj = tobj = obj; tobj; tobj = tobj->backing_object) { 1032 VM_OBJECT_RLOCK(tobj); 1033 if (lobj != obj) 1034 VM_OBJECT_RUNLOCK(lobj); 1035 lobj = tobj; 1036 } 1037 last_timestamp = map->timestamp; 1038 vm_map_unlock_read(map); 1039 ino = 0; 1040 if (lobj) { 1041 off = IDX_TO_OFF(lobj->size); 1042 if (lobj->type == OBJT_VNODE) { 1043 vp = lobj->handle; 1044 if (vp) 1045 vref(vp); 1046 } 1047 else 1048 vp = NULL; 1049 if (lobj != obj) 1050 VM_OBJECT_RUNLOCK(lobj); 1051 flags = obj->flags; 1052 ref_count = obj->ref_count; 1053 shadow_count = obj->shadow_count; 1054 VM_OBJECT_RUNLOCK(obj); 1055 if (vp) { 1056 vn_fullpath(td, vp, &name, &freename); 1057 vn_lock(vp, LK_SHARED | LK_RETRY); 1058 VOP_GETATTR(vp, &vat, td->td_ucred); 1059 ino = vat.va_fileid; 1060 vput(vp); 1061 } 1062 } else { 1063 flags = 0; 1064 ref_count = 0; 1065 shadow_count = 0; 1066 } 1067 1068 /* 1069 * format: 1070 * start, end, access, offset, major, minor, inode, name. 1071 */ 1072 error = sbuf_printf(sb, 1073 "%08lx-%08lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n", 1074 (u_long)e_start, (u_long)e_end, 1075 (e_prot & VM_PROT_READ)?"r":"-", 1076 (e_prot & VM_PROT_WRITE)?"w":"-", 1077 (e_prot & VM_PROT_EXECUTE)?"x":"-", 1078 "p", 1079 (u_long)off, 1080 0, 1081 0, 1082 (u_long)ino, 1083 *name ? " " : "", 1084 name 1085 ); 1086 if (freename) 1087 free(freename, M_TEMP); 1088 vm_map_lock_read(map); 1089 if (error == -1) { 1090 error = 0; 1091 break; 1092 } 1093 if (last_timestamp != map->timestamp) { 1094 /* 1095 * Look again for the entry because the map was 1096 * modified while it was unlocked. Specifically, 1097 * the entry may have been clipped, merged, or deleted. 1098 */ 1099 vm_map_lookup_entry(map, e_end - 1, &tmp_entry); 1100 entry = tmp_entry; 1101 } 1102 } 1103 vm_map_unlock_read(map); 1104 vmspace_free(vm); 1105 1106 return (error); 1107 } 1108 1109 /* 1110 * Filler function for proc/net/dev 1111 */ 1112 static int 1113 linprocfs_donetdev(PFS_FILL_ARGS) 1114 { 1115 char ifname[16]; /* XXX LINUX_IFNAMSIZ */ 1116 struct ifnet *ifp; 1117 1118 sbuf_printf(sb, "%6s|%58s|%s\n" 1119 "%6s|%58s|%58s\n", 1120 "Inter-", " Receive", " Transmit", 1121 " face", 1122 "bytes packets errs drop fifo frame compressed multicast", 1123 "bytes packets errs drop fifo colls carrier compressed"); 1124 1125 CURVNET_SET(TD_TO_VNET(curthread)); 1126 IFNET_RLOCK(); 1127 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 1128 linux_ifname(ifp, ifname, sizeof ifname); 1129 sbuf_printf(sb, "%6.6s: ", ifname); 1130 sbuf_printf(sb, "%7ju %7ju %4ju %4ju %4lu %5lu %10lu %9ju ", 1131 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IBYTES), 1132 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IPACKETS), 1133 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IERRORS), 1134 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IQDROPS), 1135 /* rx_missed_errors */ 1136 0UL, /* rx_fifo_errors */ 1137 0UL, /* rx_length_errors + 1138 * rx_over_errors + 1139 * rx_crc_errors + 1140 * rx_frame_errors */ 1141 0UL, /* rx_compressed */ 1142 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_IMCASTS)); 1143 /* XXX-BZ rx only? */ 1144 sbuf_printf(sb, "%8ju %7ju %4ju %4ju %4lu %5ju %7lu %10lu\n", 1145 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OBYTES), 1146 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OPACKETS), 1147 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OERRORS), 1148 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_OQDROPS), 1149 0UL, /* tx_fifo_errors */ 1150 (uintmax_t )ifp->if_get_counter(ifp, IFCOUNTER_COLLISIONS), 1151 0UL, /* tx_carrier_errors + 1152 * tx_aborted_errors + 1153 * tx_window_errors + 1154 * tx_heartbeat_errors*/ 1155 0UL); /* tx_compressed */ 1156 } 1157 IFNET_RUNLOCK(); 1158 CURVNET_RESTORE(); 1159 1160 return (0); 1161 } 1162 1163 /* 1164 * Filler function for proc/sys/kernel/osrelease 1165 */ 1166 static int 1167 linprocfs_doosrelease(PFS_FILL_ARGS) 1168 { 1169 char osrelease[LINUX_MAX_UTSNAME]; 1170 1171 linux_get_osrelease(td, osrelease); 1172 sbuf_printf(sb, "%s\n", osrelease); 1173 1174 return (0); 1175 } 1176 1177 /* 1178 * Filler function for proc/sys/kernel/ostype 1179 */ 1180 static int 1181 linprocfs_doostype(PFS_FILL_ARGS) 1182 { 1183 char osname[LINUX_MAX_UTSNAME]; 1184 1185 linux_get_osname(td, osname); 1186 sbuf_printf(sb, "%s\n", osname); 1187 1188 return (0); 1189 } 1190 1191 /* 1192 * Filler function for proc/sys/kernel/version 1193 */ 1194 static int 1195 linprocfs_doosbuild(PFS_FILL_ARGS) 1196 { 1197 1198 linprocfs_osbuild(td, sb); 1199 sbuf_cat(sb, "\n"); 1200 return (0); 1201 } 1202 1203 /* 1204 * Filler function for proc/sys/kernel/msgmni 1205 */ 1206 static int 1207 linprocfs_domsgmni(PFS_FILL_ARGS) 1208 { 1209 1210 sbuf_printf(sb, "%d\n", msginfo.msgmni); 1211 return (0); 1212 } 1213 1214 /* 1215 * Filler function for proc/sys/kernel/pid_max 1216 */ 1217 static int 1218 linprocfs_dopid_max(PFS_FILL_ARGS) 1219 { 1220 1221 sbuf_printf(sb, "%i\n", PID_MAX); 1222 return (0); 1223 } 1224 1225 /* 1226 * Filler function for proc/sys/kernel/sem 1227 */ 1228 static int 1229 linprocfs_dosem(PFS_FILL_ARGS) 1230 { 1231 1232 sbuf_printf(sb, "%d %d %d %d\n", seminfo.semmsl, seminfo.semmns, 1233 seminfo.semopm, seminfo.semmni); 1234 return (0); 1235 } 1236 1237 /* 1238 * Filler function for proc/scsi/device_info 1239 */ 1240 static int 1241 linprocfs_doscsidevinfo(PFS_FILL_ARGS) 1242 { 1243 1244 return (0); 1245 } 1246 1247 /* 1248 * Filler function for proc/scsi/scsi 1249 */ 1250 static int 1251 linprocfs_doscsiscsi(PFS_FILL_ARGS) 1252 { 1253 1254 return (0); 1255 } 1256 1257 extern struct cdevsw *cdevsw[]; 1258 1259 /* 1260 * Filler function for proc/devices 1261 */ 1262 static int 1263 linprocfs_dodevices(PFS_FILL_ARGS) 1264 { 1265 char *char_devices; 1266 sbuf_printf(sb, "Character devices:\n"); 1267 1268 char_devices = linux_get_char_devices(); 1269 sbuf_printf(sb, "%s", char_devices); 1270 linux_free_get_char_devices(char_devices); 1271 1272 sbuf_printf(sb, "\nBlock devices:\n"); 1273 1274 return (0); 1275 } 1276 1277 /* 1278 * Filler function for proc/cmdline 1279 */ 1280 static int 1281 linprocfs_docmdline(PFS_FILL_ARGS) 1282 { 1283 1284 sbuf_printf(sb, "BOOT_IMAGE=%s", kernelname); 1285 sbuf_printf(sb, " ro root=302\n"); 1286 return (0); 1287 } 1288 1289 /* 1290 * Filler function for proc/filesystems 1291 */ 1292 static int 1293 linprocfs_dofilesystems(PFS_FILL_ARGS) 1294 { 1295 struct vfsconf *vfsp; 1296 1297 mtx_lock(&Giant); 1298 TAILQ_FOREACH(vfsp, &vfsconf, vfc_list) { 1299 if (vfsp->vfc_flags & VFCF_SYNTHETIC) 1300 sbuf_printf(sb, "nodev"); 1301 sbuf_printf(sb, "\t%s\n", vfsp->vfc_name); 1302 } 1303 mtx_unlock(&Giant); 1304 return(0); 1305 } 1306 1307 #if 0 1308 /* 1309 * Filler function for proc/modules 1310 */ 1311 static int 1312 linprocfs_domodules(PFS_FILL_ARGS) 1313 { 1314 struct linker_file *lf; 1315 1316 TAILQ_FOREACH(lf, &linker_files, link) { 1317 sbuf_printf(sb, "%-20s%8lu%4d\n", lf->filename, 1318 (unsigned long)lf->size, lf->refs); 1319 } 1320 return (0); 1321 } 1322 #endif 1323 1324 /* 1325 * Filler function for proc/pid/fd 1326 */ 1327 static int 1328 linprocfs_dofdescfs(PFS_FILL_ARGS) 1329 { 1330 1331 if (p == curproc) 1332 sbuf_printf(sb, "/dev/fd"); 1333 else 1334 sbuf_printf(sb, "unknown"); 1335 return (0); 1336 } 1337 1338 1339 /* 1340 * Filler function for proc/sys/kernel/random/uuid 1341 */ 1342 static int 1343 linprocfs_douuid(PFS_FILL_ARGS) 1344 { 1345 struct uuid uuid; 1346 1347 kern_uuidgen(&uuid, 1); 1348 sbuf_printf_uuid(sb, &uuid); 1349 sbuf_printf(sb, "\n"); 1350 return(0); 1351 } 1352 1353 1354 /* 1355 * Constructor 1356 */ 1357 static int 1358 linprocfs_init(PFS_INIT_ARGS) 1359 { 1360 struct pfs_node *root; 1361 struct pfs_node *dir; 1362 1363 root = pi->pi_root; 1364 1365 /* /proc/... */ 1366 pfs_create_file(root, "cmdline", &linprocfs_docmdline, 1367 NULL, NULL, NULL, PFS_RD); 1368 pfs_create_file(root, "cpuinfo", &linprocfs_docpuinfo, 1369 NULL, NULL, NULL, PFS_RD); 1370 pfs_create_file(root, "devices", &linprocfs_dodevices, 1371 NULL, NULL, NULL, PFS_RD); 1372 pfs_create_file(root, "filesystems", &linprocfs_dofilesystems, 1373 NULL, NULL, NULL, PFS_RD); 1374 pfs_create_file(root, "loadavg", &linprocfs_doloadavg, 1375 NULL, NULL, NULL, PFS_RD); 1376 pfs_create_file(root, "meminfo", &linprocfs_domeminfo, 1377 NULL, NULL, NULL, PFS_RD); 1378 #if 0 1379 pfs_create_file(root, "modules", &linprocfs_domodules, 1380 NULL, NULL, NULL, PFS_RD); 1381 #endif 1382 pfs_create_file(root, "mounts", &linprocfs_domtab, 1383 NULL, NULL, NULL, PFS_RD); 1384 pfs_create_file(root, "mtab", &linprocfs_domtab, 1385 NULL, NULL, NULL, PFS_RD); 1386 pfs_create_file(root, "partitions", &linprocfs_dopartitions, 1387 NULL, NULL, NULL, PFS_RD); 1388 pfs_create_link(root, "self", &procfs_docurproc, 1389 NULL, NULL, NULL, 0); 1390 pfs_create_file(root, "stat", &linprocfs_dostat, 1391 NULL, NULL, NULL, PFS_RD); 1392 pfs_create_file(root, "swaps", &linprocfs_doswaps, 1393 NULL, NULL, NULL, PFS_RD); 1394 pfs_create_file(root, "uptime", &linprocfs_douptime, 1395 NULL, NULL, NULL, PFS_RD); 1396 pfs_create_file(root, "version", &linprocfs_doversion, 1397 NULL, NULL, NULL, PFS_RD); 1398 1399 /* /proc/net/... */ 1400 dir = pfs_create_dir(root, "net", NULL, NULL, NULL, 0); 1401 pfs_create_file(dir, "dev", &linprocfs_donetdev, 1402 NULL, NULL, NULL, PFS_RD); 1403 1404 /* /proc/<pid>/... */ 1405 dir = pfs_create_dir(root, "pid", NULL, NULL, NULL, PFS_PROCDEP); 1406 pfs_create_file(dir, "cmdline", &linprocfs_doproccmdline, 1407 NULL, NULL, NULL, PFS_RD); 1408 pfs_create_link(dir, "cwd", &linprocfs_doproccwd, 1409 NULL, NULL, NULL, 0); 1410 pfs_create_file(dir, "environ", &linprocfs_doprocenviron, 1411 NULL, NULL, NULL, PFS_RD); 1412 pfs_create_link(dir, "exe", &procfs_doprocfile, 1413 NULL, &procfs_notsystem, NULL, 0); 1414 pfs_create_file(dir, "maps", &linprocfs_doprocmaps, 1415 NULL, NULL, NULL, PFS_RD); 1416 pfs_create_file(dir, "mem", &procfs_doprocmem, 1417 &procfs_attr, &procfs_candebug, NULL, PFS_RDWR|PFS_RAW); 1418 pfs_create_link(dir, "root", &linprocfs_doprocroot, 1419 NULL, NULL, NULL, 0); 1420 pfs_create_file(dir, "stat", &linprocfs_doprocstat, 1421 NULL, NULL, NULL, PFS_RD); 1422 pfs_create_file(dir, "statm", &linprocfs_doprocstatm, 1423 NULL, NULL, NULL, PFS_RD); 1424 pfs_create_file(dir, "status", &linprocfs_doprocstatus, 1425 NULL, NULL, NULL, PFS_RD); 1426 pfs_create_link(dir, "fd", &linprocfs_dofdescfs, 1427 NULL, NULL, NULL, 0); 1428 1429 /* /proc/scsi/... */ 1430 dir = pfs_create_dir(root, "scsi", NULL, NULL, NULL, 0); 1431 pfs_create_file(dir, "device_info", &linprocfs_doscsidevinfo, 1432 NULL, NULL, NULL, PFS_RD); 1433 pfs_create_file(dir, "scsi", &linprocfs_doscsiscsi, 1434 NULL, NULL, NULL, PFS_RD); 1435 1436 /* /proc/sys/... */ 1437 dir = pfs_create_dir(root, "sys", NULL, NULL, NULL, 0); 1438 /* /proc/sys/kernel/... */ 1439 dir = pfs_create_dir(dir, "kernel", NULL, NULL, NULL, 0); 1440 pfs_create_file(dir, "osrelease", &linprocfs_doosrelease, 1441 NULL, NULL, NULL, PFS_RD); 1442 pfs_create_file(dir, "ostype", &linprocfs_doostype, 1443 NULL, NULL, NULL, PFS_RD); 1444 pfs_create_file(dir, "version", &linprocfs_doosbuild, 1445 NULL, NULL, NULL, PFS_RD); 1446 pfs_create_file(dir, "msgmni", &linprocfs_domsgmni, 1447 NULL, NULL, NULL, PFS_RD); 1448 pfs_create_file(dir, "pid_max", &linprocfs_dopid_max, 1449 NULL, NULL, NULL, PFS_RD); 1450 pfs_create_file(dir, "sem", &linprocfs_dosem, 1451 NULL, NULL, NULL, PFS_RD); 1452 1453 /* /proc/sys/kernel/random/... */ 1454 dir = pfs_create_dir(dir, "random", NULL, NULL, NULL, 0); 1455 pfs_create_file(dir, "uuid", &linprocfs_douuid, 1456 NULL, NULL, NULL, PFS_RD); 1457 1458 return (0); 1459 } 1460 1461 /* 1462 * Destructor 1463 */ 1464 static int 1465 linprocfs_uninit(PFS_INIT_ARGS) 1466 { 1467 1468 /* nothing to do, pseudofs will GC */ 1469 return (0); 1470 } 1471 1472 PSEUDOFS(linprocfs, 1, 0); 1473 MODULE_DEPEND(linprocfs, linux, 1, 1, 1); 1474 MODULE_DEPEND(linprocfs, procfs, 1, 1, 1); 1475 MODULE_DEPEND(linprocfs, sysvmsg, 1, 1, 1); 1476 MODULE_DEPEND(linprocfs, sysvsem, 1, 1, 1); 1477