linprocfs.c revision 293576
1/*- 2 * Copyright (c) 2000 Dag-Erling Co��dan Sm��rgrav 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 <sys/cdefs.h> 43__FBSDID("$FreeBSD: stable/10/sys/compat/linprocfs/linprocfs.c 293576 2016-01-09 17:30:10Z dchagin $"); 44 45#include <sys/param.h> 46#include <sys/queue.h> 47#include <sys/systm.h> 48#include <sys/blist.h> 49#include <sys/conf.h> 50#include <sys/exec.h> 51#include <sys/fcntl.h> 52#include <sys/filedesc.h> 53#include <sys/jail.h> 54#include <sys/kernel.h> 55#include <sys/limits.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/sysent.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_types.h> 83 84#include <vm/vm.h> 85#include <vm/vm_extern.h> 86#include <vm/pmap.h> 87#include <vm/vm_map.h> 88#include <vm/vm_param.h> 89#include <vm/vm_object.h> 90#include <vm/swap_pager.h> 91 92#include <machine/clock.h> 93 94#include <geom/geom.h> 95#include <geom/geom_int.h> 96 97#if defined(__i386__) || defined(__amd64__) 98#include <machine/cputypes.h> 99#include <machine/md_var.h> 100#endif /* __i386__ || __amd64__ */ 101 102#include <compat/linux/linux.h> 103#include <compat/linux/linux_mib.h> 104#include <compat/linux/linux_misc.h> 105#include <compat/linux/linux_util.h> 106#include <fs/pseudofs/pseudofs.h> 107#include <fs/procfs/procfs.h> 108 109/* 110 * Various conversion macros 111 */ 112#define T2J(x) ((long)(((x) * 100ULL) / (stathz ? stathz : hz))) /* ticks to jiffies */ 113#define T2CS(x) ((unsigned long)(((x) * 100ULL) / (stathz ? stathz : hz))) /* ticks to centiseconds */ 114#define T2S(x) ((x) / (stathz ? stathz : hz)) /* ticks to seconds */ 115#define B2K(x) ((x) >> 10) /* bytes to kbytes */ 116#define B2P(x) ((x) >> PAGE_SHIFT) /* bytes to pages */ 117#define P2B(x) ((x) << PAGE_SHIFT) /* pages to bytes */ 118#define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* pages to kbytes */ 119#define TV2J(x) ((x)->tv_sec * 100UL + (x)->tv_usec / 10000) 120 121/** 122 * @brief Mapping of ki_stat in struct kinfo_proc to the linux state 123 * 124 * The linux procfs state field displays one of the characters RSDZTW to 125 * denote running, sleeping in an interruptible wait, waiting in an 126 * uninterruptible disk sleep, a zombie process, process is being traced 127 * or stopped, or process is paging respectively. 128 * 129 * Our struct kinfo_proc contains the variable ki_stat which contains a 130 * value out of SIDL, SRUN, SSLEEP, SSTOP, SZOMB, SWAIT and SLOCK. 131 * 132 * This character array is used with ki_stati-1 as an index and tries to 133 * map our states to suitable linux states. 134 */ 135static char linux_state[] = "RRSTZDD"; 136 137/* 138 * Filler function for proc/meminfo 139 */ 140static int 141linprocfs_domeminfo(PFS_FILL_ARGS) 142{ 143 unsigned long memtotal; /* total memory in bytes */ 144 unsigned long memused; /* used memory in bytes */ 145 unsigned long memfree; /* free memory in bytes */ 146 unsigned long memshared; /* shared memory ??? */ 147 unsigned long buffers, cached; /* buffer / cache memory ??? */ 148 unsigned long long swaptotal; /* total swap space in bytes */ 149 unsigned long long swapused; /* used swap space in bytes */ 150 unsigned long long swapfree; /* free swap space in bytes */ 151 vm_object_t object; 152 int i, j; 153 154 memtotal = physmem * PAGE_SIZE; 155 /* 156 * The correct thing here would be: 157 * 158 memfree = cnt.v_free_count * PAGE_SIZE; 159 memused = memtotal - memfree; 160 * 161 * but it might mislead linux binaries into thinking there 162 * is very little memory left, so we cheat and tell them that 163 * all memory that isn't wired down is free. 164 */ 165 memused = cnt.v_wire_count * PAGE_SIZE; 166 memfree = memtotal - memused; 167 swap_pager_status(&i, &j); 168 swaptotal = (unsigned long long)i * PAGE_SIZE; 169 swapused = (unsigned long long)j * PAGE_SIZE; 170 swapfree = swaptotal - swapused; 171 memshared = 0; 172 mtx_lock(&vm_object_list_mtx); 173 TAILQ_FOREACH(object, &vm_object_list, object_list) 174 if (object->shadow_count > 1) 175 memshared += object->resident_page_count; 176 mtx_unlock(&vm_object_list_mtx); 177 memshared *= PAGE_SIZE; 178 /* 179 * We'd love to be able to write: 180 * 181 buffers = bufspace; 182 * 183 * but bufspace is internal to vfs_bio.c and we don't feel 184 * like unstaticizing it just for linprocfs's sake. 185 */ 186 buffers = 0; 187 cached = cnt.v_cache_count * PAGE_SIZE; 188 189 sbuf_printf(sb, 190 " total: used: free: shared: buffers: cached:\n" 191 "Mem: %lu %lu %lu %lu %lu %lu\n" 192 "Swap: %llu %llu %llu\n" 193 "MemTotal: %9lu kB\n" 194 "MemFree: %9lu kB\n" 195 "MemShared:%9lu kB\n" 196 "Buffers: %9lu kB\n" 197 "Cached: %9lu kB\n" 198 "SwapTotal:%9llu kB\n" 199 "SwapFree: %9llu kB\n", 200 memtotal, memused, memfree, memshared, buffers, cached, 201 swaptotal, swapused, swapfree, 202 B2K(memtotal), B2K(memfree), 203 B2K(memshared), B2K(buffers), B2K(cached), 204 B2K(swaptotal), B2K(swapfree)); 205 206 return (0); 207} 208 209#if defined(__i386__) || defined(__amd64__) 210/* 211 * Filler function for proc/cpuinfo (i386 & amd64 version) 212 */ 213static int 214linprocfs_docpuinfo(PFS_FILL_ARGS) 215{ 216 int hw_model[2]; 217 char model[128]; 218 uint64_t freq; 219 size_t size; 220 int class, fqmhz, fqkhz; 221 int i; 222 223 /* 224 * We default the flags to include all non-conflicting flags, 225 * and the Intel versions of conflicting flags. 226 */ 227 static char *flags[] = { 228 "fpu", "vme", "de", "pse", "tsc", 229 "msr", "pae", "mce", "cx8", "apic", 230 "sep", "sep", "mtrr", "pge", "mca", 231 "cmov", "pat", "pse36", "pn", "b19", 232 "b20", "b21", "mmxext", "mmx", "fxsr", 233 "xmm", "sse2", "b27", "b28", "b29", 234 "3dnowext", "3dnow" 235 }; 236 237 switch (cpu_class) { 238#ifdef __i386__ 239 case CPUCLASS_286: 240 class = 2; 241 break; 242 case CPUCLASS_386: 243 class = 3; 244 break; 245 case CPUCLASS_486: 246 class = 4; 247 break; 248 case CPUCLASS_586: 249 class = 5; 250 break; 251 case CPUCLASS_686: 252 class = 6; 253 break; 254 default: 255 class = 0; 256 break; 257#else /* __amd64__ */ 258 default: 259 class = 15; 260 break; 261#endif 262 } 263 264 hw_model[0] = CTL_HW; 265 hw_model[1] = HW_MODEL; 266 model[0] = '\0'; 267 size = sizeof(model); 268 if (kernel_sysctl(td, hw_model, 2, &model, &size, 0, 0, 0, 0) != 0) 269 strcpy(model, "unknown"); 270 for (i = 0; i < mp_ncpus; ++i) { 271 sbuf_printf(sb, 272 "processor\t: %d\n" 273 "vendor_id\t: %.20s\n" 274 "cpu family\t: %u\n" 275 "model\t\t: %u\n" 276 "model name\t: %s\n" 277 "stepping\t: %u\n\n", 278 i, cpu_vendor, CPUID_TO_FAMILY(cpu_id), 279 CPUID_TO_MODEL(cpu_id), model, cpu_id & CPUID_STEPPING); 280 /* XXX per-cpu vendor / class / model / id? */ 281 } 282 283 sbuf_cat(sb, "flags\t\t:"); 284 285#ifdef __i386__ 286 switch (cpu_vendor_id) { 287 case CPU_VENDOR_AMD: 288 if (class < 6) 289 flags[16] = "fcmov"; 290 break; 291 case CPU_VENDOR_CYRIX: 292 flags[24] = "cxmmx"; 293 break; 294 } 295#endif 296 297 for (i = 0; i < 32; i++) 298 if (cpu_feature & (1 << i)) 299 sbuf_printf(sb, " %s", flags[i]); 300 sbuf_cat(sb, "\n"); 301 freq = atomic_load_acq_64(&tsc_freq); 302 if (freq != 0) { 303 fqmhz = (freq + 4999) / 1000000; 304 fqkhz = ((freq + 4999) / 10000) % 100; 305 sbuf_printf(sb, 306 "cpu MHz\t\t: %d.%02d\n" 307 "bogomips\t: %d.%02d\n", 308 fqmhz, fqkhz, fqmhz, fqkhz); 309 } 310 311 return (0); 312} 313#endif /* __i386__ || __amd64__ */ 314 315/* 316 * Filler function for proc/mtab 317 * 318 * This file doesn't exist in Linux' procfs, but is included here so 319 * users can symlink /compat/linux/etc/mtab to /proc/mtab 320 */ 321static int 322linprocfs_domtab(PFS_FILL_ARGS) 323{ 324 struct nameidata nd; 325 struct mount *mp; 326 const char *lep; 327 char *dlep, *flep, *mntto, *mntfrom, *fstype; 328 size_t lep_len; 329 int error; 330 331 /* resolve symlinks etc. in the emulation tree prefix */ 332 NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, linux_emul_path, td); 333 flep = NULL; 334 error = namei(&nd); 335 lep = linux_emul_path; 336 if (error == 0) { 337 if (vn_fullpath(td, nd.ni_vp, &dlep, &flep) == 0) 338 lep = dlep; 339 vrele(nd.ni_vp); 340 } 341 lep_len = strlen(lep); 342 343 mtx_lock(&mountlist_mtx); 344 error = 0; 345 TAILQ_FOREACH(mp, &mountlist, mnt_list) { 346 /* determine device name */ 347 mntfrom = mp->mnt_stat.f_mntfromname; 348 349 /* determine mount point */ 350 mntto = mp->mnt_stat.f_mntonname; 351 if (strncmp(mntto, lep, lep_len) == 0 && 352 mntto[lep_len] == '/') 353 mntto += lep_len; 354 355 /* determine fs type */ 356 fstype = mp->mnt_stat.f_fstypename; 357 if (strcmp(fstype, pn->pn_info->pi_name) == 0) 358 mntfrom = fstype = "proc"; 359 else if (strcmp(fstype, "procfs") == 0) 360 continue; 361 362 if (strcmp(fstype, "linsysfs") == 0) { 363 sbuf_printf(sb, "/sys %s sysfs %s", mntto, 364 mp->mnt_stat.f_flags & MNT_RDONLY ? "ro" : "rw"); 365 } else { 366 /* For Linux msdosfs is called vfat */ 367 if (strcmp(fstype, "msdosfs") == 0) 368 fstype = "vfat"; 369 sbuf_printf(sb, "%s %s %s %s", mntfrom, mntto, fstype, 370 mp->mnt_stat.f_flags & MNT_RDONLY ? "ro" : "rw"); 371 } 372#define ADD_OPTION(opt, name) \ 373 if (mp->mnt_stat.f_flags & (opt)) sbuf_printf(sb, "," name); 374 ADD_OPTION(MNT_SYNCHRONOUS, "sync"); 375 ADD_OPTION(MNT_NOEXEC, "noexec"); 376 ADD_OPTION(MNT_NOSUID, "nosuid"); 377 ADD_OPTION(MNT_UNION, "union"); 378 ADD_OPTION(MNT_ASYNC, "async"); 379 ADD_OPTION(MNT_SUIDDIR, "suiddir"); 380 ADD_OPTION(MNT_NOSYMFOLLOW, "nosymfollow"); 381 ADD_OPTION(MNT_NOATIME, "noatime"); 382#undef ADD_OPTION 383 /* a real Linux mtab will also show NFS options */ 384 sbuf_printf(sb, " 0 0\n"); 385 } 386 mtx_unlock(&mountlist_mtx); 387 free(flep, M_TEMP); 388 return (error); 389} 390 391/* 392 * Filler function for proc/partitions 393 */ 394static int 395linprocfs_dopartitions(PFS_FILL_ARGS) 396{ 397 struct g_class *cp; 398 struct g_geom *gp; 399 struct g_provider *pp; 400 int major, minor; 401 402 g_topology_lock(); 403 sbuf_printf(sb, "major minor #blocks name rio rmerge rsect " 404 "ruse wio wmerge wsect wuse running use aveq\n"); 405 406 LIST_FOREACH(cp, &g_classes, class) { 407 if (strcmp(cp->name, "DISK") == 0 || 408 strcmp(cp->name, "PART") == 0) 409 LIST_FOREACH(gp, &cp->geom, geom) { 410 LIST_FOREACH(pp, &gp->provider, provider) { 411 if (linux_driver_get_major_minor( 412 pp->name, &major, &minor) != 0) { 413 major = 0; 414 minor = 0; 415 } 416 sbuf_printf(sb, "%d %d %lld %s " 417 "%d %d %d %d %d " 418 "%d %d %d %d %d %d\n", 419 major, minor, 420 (long long)pp->mediasize, pp->name, 421 0, 0, 0, 0, 0, 422 0, 0, 0, 0, 0, 0); 423 } 424 } 425 } 426 g_topology_unlock(); 427 428 return (0); 429} 430 431 432/* 433 * Filler function for proc/stat 434 */ 435static int 436linprocfs_dostat(PFS_FILL_ARGS) 437{ 438 struct pcpu *pcpu; 439 long cp_time[CPUSTATES]; 440 long *cp; 441 int i; 442 443 read_cpu_time(cp_time); 444 sbuf_printf(sb, "cpu %ld %ld %ld %ld\n", 445 T2J(cp_time[CP_USER]), 446 T2J(cp_time[CP_NICE]), 447 T2J(cp_time[CP_SYS] /*+ cp_time[CP_INTR]*/), 448 T2J(cp_time[CP_IDLE])); 449 CPU_FOREACH(i) { 450 pcpu = pcpu_find(i); 451 cp = pcpu->pc_cp_time; 452 sbuf_printf(sb, "cpu%d %ld %ld %ld %ld\n", i, 453 T2J(cp[CP_USER]), 454 T2J(cp[CP_NICE]), 455 T2J(cp[CP_SYS] /*+ cp[CP_INTR]*/), 456 T2J(cp[CP_IDLE])); 457 } 458 sbuf_printf(sb, 459 "disk 0 0 0 0\n" 460 "page %u %u\n" 461 "swap %u %u\n" 462 "intr %u\n" 463 "ctxt %u\n" 464 "btime %lld\n", 465 cnt.v_vnodepgsin, 466 cnt.v_vnodepgsout, 467 cnt.v_swappgsin, 468 cnt.v_swappgsout, 469 cnt.v_intr, 470 cnt.v_swtch, 471 (long long)boottime.tv_sec); 472 return (0); 473} 474 475static int 476linprocfs_doswaps(PFS_FILL_ARGS) 477{ 478 struct xswdev xsw; 479 uintmax_t total, used; 480 int n; 481 char devname[SPECNAMELEN + 1]; 482 483 sbuf_printf(sb, "Filename\t\t\t\tType\t\tSize\tUsed\tPriority\n"); 484 mtx_lock(&Giant); 485 for (n = 0; ; n++) { 486 if (swap_dev_info(n, &xsw, devname, sizeof(devname)) != 0) 487 break; 488 total = (uintmax_t)xsw.xsw_nblks * PAGE_SIZE / 1024; 489 used = (uintmax_t)xsw.xsw_used * PAGE_SIZE / 1024; 490 491 /* 492 * The space and not tab after the device name is on 493 * purpose. Linux does so. 494 */ 495 sbuf_printf(sb, "/dev/%-34s unknown\t\t%jd\t%jd\t-1\n", 496 devname, total, used); 497 } 498 mtx_unlock(&Giant); 499 return (0); 500} 501 502/* 503 * Filler function for proc/uptime 504 */ 505static int 506linprocfs_douptime(PFS_FILL_ARGS) 507{ 508 long cp_time[CPUSTATES]; 509 struct timeval tv; 510 511 getmicrouptime(&tv); 512 read_cpu_time(cp_time); 513 sbuf_printf(sb, "%lld.%02ld %ld.%02lu\n", 514 (long long)tv.tv_sec, tv.tv_usec / 10000, 515 T2S(cp_time[CP_IDLE] / mp_ncpus), 516 T2CS(cp_time[CP_IDLE] / mp_ncpus) % 100); 517 return (0); 518} 519 520/* 521 * Get OS build date 522 */ 523static void 524linprocfs_osbuild(struct thread *td, struct sbuf *sb) 525{ 526#if 0 527 char osbuild[256]; 528 char *cp1, *cp2; 529 530 strncpy(osbuild, version, 256); 531 osbuild[255] = '\0'; 532 cp1 = strstr(osbuild, "\n"); 533 cp2 = strstr(osbuild, ":"); 534 if (cp1 && cp2) { 535 *cp1 = *cp2 = '\0'; 536 cp1 = strstr(osbuild, "#"); 537 } else 538 cp1 = NULL; 539 if (cp1) 540 sbuf_printf(sb, "%s%s", cp1, cp2 + 1); 541 else 542#endif 543 sbuf_cat(sb, "#4 Sun Dec 18 04:30:00 CET 1977"); 544} 545 546/* 547 * Get OS builder 548 */ 549static void 550linprocfs_osbuilder(struct thread *td, struct sbuf *sb) 551{ 552#if 0 553 char builder[256]; 554 char *cp; 555 556 cp = strstr(version, "\n "); 557 if (cp) { 558 strncpy(builder, cp + 5, 256); 559 builder[255] = '\0'; 560 cp = strstr(builder, ":"); 561 if (cp) 562 *cp = '\0'; 563 } 564 if (cp) 565 sbuf_cat(sb, builder); 566 else 567#endif 568 sbuf_cat(sb, "des@freebsd.org"); 569} 570 571/* 572 * Filler function for proc/version 573 */ 574static int 575linprocfs_doversion(PFS_FILL_ARGS) 576{ 577 char osname[LINUX_MAX_UTSNAME]; 578 char osrelease[LINUX_MAX_UTSNAME]; 579 580 linux_get_osname(td, osname); 581 linux_get_osrelease(td, osrelease); 582 sbuf_printf(sb, "%s version %s (", osname, osrelease); 583 linprocfs_osbuilder(td, sb); 584 sbuf_cat(sb, ") (gcc version " __VERSION__ ") "); 585 linprocfs_osbuild(td, sb); 586 sbuf_cat(sb, "\n"); 587 588 return (0); 589} 590 591/* 592 * Filler function for proc/loadavg 593 */ 594static int 595linprocfs_doloadavg(PFS_FILL_ARGS) 596{ 597 598 sbuf_printf(sb, 599 "%d.%02d %d.%02d %d.%02d %d/%d %d\n", 600 (int)(averunnable.ldavg[0] / averunnable.fscale), 601 (int)(averunnable.ldavg[0] * 100 / averunnable.fscale % 100), 602 (int)(averunnable.ldavg[1] / averunnable.fscale), 603 (int)(averunnable.ldavg[1] * 100 / averunnable.fscale % 100), 604 (int)(averunnable.ldavg[2] / averunnable.fscale), 605 (int)(averunnable.ldavg[2] * 100 / averunnable.fscale % 100), 606 1, /* number of running tasks */ 607 nprocs, /* number of tasks */ 608 lastpid /* the last pid */ 609 ); 610 return (0); 611} 612 613/* 614 * Filler function for proc/pid/stat 615 */ 616static int 617linprocfs_doprocstat(PFS_FILL_ARGS) 618{ 619 struct kinfo_proc kp; 620 char state; 621 static int ratelimit = 0; 622 vm_offset_t startcode, startdata; 623 624 PROC_LOCK(p); 625 fill_kinfo_proc(p, &kp); 626 if (p->p_vmspace) { 627 startcode = (vm_offset_t)p->p_vmspace->vm_taddr; 628 startdata = (vm_offset_t)p->p_vmspace->vm_daddr; 629 } else { 630 startcode = 0; 631 startdata = 0; 632 }; 633 sbuf_printf(sb, "%d", p->p_pid); 634#define PS_ADD(name, fmt, arg) sbuf_printf(sb, " " fmt, arg) 635 PS_ADD("comm", "(%s)", p->p_comm); 636 if (kp.ki_stat > sizeof(linux_state)) { 637 state = 'R'; 638 639 if (ratelimit == 0) { 640 printf("linprocfs: don't know how to handle unknown FreeBSD state %d/%zd, mapping to R\n", 641 kp.ki_stat, sizeof(linux_state)); 642 ++ratelimit; 643 } 644 } else 645 state = linux_state[kp.ki_stat - 1]; 646 PS_ADD("state", "%c", state); 647 PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0); 648 PS_ADD("pgrp", "%d", p->p_pgid); 649 PS_ADD("session", "%d", p->p_session->s_sid); 650 PROC_UNLOCK(p); 651 PS_ADD("tty", "%d", kp.ki_tdev); 652 PS_ADD("tpgid", "%d", kp.ki_tpgid); 653 PS_ADD("flags", "%u", 0); /* XXX */ 654 PS_ADD("minflt", "%lu", kp.ki_rusage.ru_minflt); 655 PS_ADD("cminflt", "%lu", kp.ki_rusage_ch.ru_minflt); 656 PS_ADD("majflt", "%lu", kp.ki_rusage.ru_majflt); 657 PS_ADD("cmajflt", "%lu", kp.ki_rusage_ch.ru_majflt); 658 PS_ADD("utime", "%ld", TV2J(&kp.ki_rusage.ru_utime)); 659 PS_ADD("stime", "%ld", TV2J(&kp.ki_rusage.ru_stime)); 660 PS_ADD("cutime", "%ld", TV2J(&kp.ki_rusage_ch.ru_utime)); 661 PS_ADD("cstime", "%ld", TV2J(&kp.ki_rusage_ch.ru_stime)); 662 PS_ADD("priority", "%d", kp.ki_pri.pri_user); 663 PS_ADD("nice", "%d", kp.ki_nice); /* 19 (nicest) to -19 */ 664 PS_ADD("0", "%d", 0); /* removed field */ 665 PS_ADD("itrealvalue", "%d", 0); /* XXX */ 666 PS_ADD("starttime", "%lu", TV2J(&kp.ki_start) - TV2J(&boottime)); 667 PS_ADD("vsize", "%ju", P2K((uintmax_t)kp.ki_size)); 668 PS_ADD("rss", "%ju", (uintmax_t)kp.ki_rssize); 669 PS_ADD("rlim", "%lu", kp.ki_rusage.ru_maxrss); 670 PS_ADD("startcode", "%ju", (uintmax_t)startcode); 671 PS_ADD("endcode", "%ju", (uintmax_t)startdata); 672 PS_ADD("startstack", "%u", 0); /* XXX */ 673 PS_ADD("kstkesp", "%u", 0); /* XXX */ 674 PS_ADD("kstkeip", "%u", 0); /* XXX */ 675 PS_ADD("signal", "%u", 0); /* XXX */ 676 PS_ADD("blocked", "%u", 0); /* XXX */ 677 PS_ADD("sigignore", "%u", 0); /* XXX */ 678 PS_ADD("sigcatch", "%u", 0); /* XXX */ 679 PS_ADD("wchan", "%u", 0); /* XXX */ 680 PS_ADD("nswap", "%lu", kp.ki_rusage.ru_nswap); 681 PS_ADD("cnswap", "%lu", kp.ki_rusage_ch.ru_nswap); 682 PS_ADD("exitsignal", "%d", 0); /* XXX */ 683 PS_ADD("processor", "%u", kp.ki_lastcpu); 684 PS_ADD("rt_priority", "%u", 0); /* XXX */ /* >= 2.5.19 */ 685 PS_ADD("policy", "%u", kp.ki_pri.pri_class); /* >= 2.5.19 */ 686#undef PS_ADD 687 sbuf_putc(sb, '\n'); 688 689 return (0); 690} 691 692/* 693 * Filler function for proc/pid/statm 694 */ 695static int 696linprocfs_doprocstatm(PFS_FILL_ARGS) 697{ 698 struct kinfo_proc kp; 699 segsz_t lsize; 700 701 PROC_LOCK(p); 702 fill_kinfo_proc(p, &kp); 703 PROC_UNLOCK(p); 704 705 /* 706 * See comments in linprocfs_doprocstatus() regarding the 707 * computation of lsize. 708 */ 709 /* size resident share trs drs lrs dt */ 710 sbuf_printf(sb, "%ju ", B2P((uintmax_t)kp.ki_size)); 711 sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_rssize); 712 sbuf_printf(sb, "%ju ", (uintmax_t)0); /* XXX */ 713 sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_tsize); 714 sbuf_printf(sb, "%ju ", (uintmax_t)(kp.ki_dsize + kp.ki_ssize)); 715 lsize = B2P(kp.ki_size) - kp.ki_dsize - 716 kp.ki_ssize - kp.ki_tsize - 1; 717 sbuf_printf(sb, "%ju ", (uintmax_t)lsize); 718 sbuf_printf(sb, "%ju\n", (uintmax_t)0); /* XXX */ 719 720 return (0); 721} 722 723/* 724 * Filler function for proc/pid/status 725 */ 726static int 727linprocfs_doprocstatus(PFS_FILL_ARGS) 728{ 729 struct kinfo_proc kp; 730 char *state; 731 segsz_t lsize; 732 struct thread *td2; 733 struct sigacts *ps; 734 l_sigset_t siglist, sigignore, sigcatch; 735 int i; 736 737 PROC_LOCK(p); 738 td2 = FIRST_THREAD_IN_PROC(p); /* XXXKSE pretend only one thread */ 739 740 if (P_SHOULDSTOP(p)) { 741 state = "T (stopped)"; 742 } else { 743 switch(p->p_state) { 744 case PRS_NEW: 745 state = "I (idle)"; 746 break; 747 case PRS_NORMAL: 748 if (p->p_flag & P_WEXIT) { 749 state = "X (exiting)"; 750 break; 751 } 752 switch(td2->td_state) { 753 case TDS_INHIBITED: 754 state = "S (sleeping)"; 755 break; 756 case TDS_RUNQ: 757 case TDS_RUNNING: 758 state = "R (running)"; 759 break; 760 default: 761 state = "? (unknown)"; 762 break; 763 } 764 break; 765 case PRS_ZOMBIE: 766 state = "Z (zombie)"; 767 break; 768 default: 769 state = "? (unknown)"; 770 break; 771 } 772 } 773 774 fill_kinfo_proc(p, &kp); 775 sbuf_printf(sb, "Name:\t%s\n", p->p_comm); /* XXX escape */ 776 sbuf_printf(sb, "State:\t%s\n", state); 777 778 /* 779 * Credentials 780 */ 781 sbuf_printf(sb, "Pid:\t%d\n", p->p_pid); 782 sbuf_printf(sb, "PPid:\t%d\n", p->p_pptr ? 783 p->p_pptr->p_pid : 0); 784 sbuf_printf(sb, "Uid:\t%d %d %d %d\n", p->p_ucred->cr_ruid, 785 p->p_ucred->cr_uid, 786 p->p_ucred->cr_svuid, 787 /* FreeBSD doesn't have fsuid */ 788 p->p_ucred->cr_uid); 789 sbuf_printf(sb, "Gid:\t%d %d %d %d\n", p->p_ucred->cr_rgid, 790 p->p_ucred->cr_gid, 791 p->p_ucred->cr_svgid, 792 /* FreeBSD doesn't have fsgid */ 793 p->p_ucred->cr_gid); 794 sbuf_cat(sb, "Groups:\t"); 795 for (i = 0; i < p->p_ucred->cr_ngroups; i++) 796 sbuf_printf(sb, "%d ", p->p_ucred->cr_groups[i]); 797 PROC_UNLOCK(p); 798 sbuf_putc(sb, '\n'); 799 800 /* 801 * Memory 802 * 803 * While our approximation of VmLib may not be accurate (I 804 * don't know of a simple way to verify it, and I'm not sure 805 * it has much meaning anyway), I believe it's good enough. 806 * 807 * The same code that could (I think) accurately compute VmLib 808 * could also compute VmLck, but I don't really care enough to 809 * implement it. Submissions are welcome. 810 */ 811 sbuf_printf(sb, "VmSize:\t%8ju kB\n", B2K((uintmax_t)kp.ki_size)); 812 sbuf_printf(sb, "VmLck:\t%8u kB\n", P2K(0)); /* XXX */ 813 sbuf_printf(sb, "VmRSS:\t%8ju kB\n", P2K((uintmax_t)kp.ki_rssize)); 814 sbuf_printf(sb, "VmData:\t%8ju kB\n", P2K((uintmax_t)kp.ki_dsize)); 815 sbuf_printf(sb, "VmStk:\t%8ju kB\n", P2K((uintmax_t)kp.ki_ssize)); 816 sbuf_printf(sb, "VmExe:\t%8ju kB\n", P2K((uintmax_t)kp.ki_tsize)); 817 lsize = B2P(kp.ki_size) - kp.ki_dsize - 818 kp.ki_ssize - kp.ki_tsize - 1; 819 sbuf_printf(sb, "VmLib:\t%8ju kB\n", P2K((uintmax_t)lsize)); 820 821 /* 822 * Signal masks 823 */ 824 PROC_LOCK(p); 825 bsd_to_linux_sigset(&p->p_siglist, &siglist); 826 ps = p->p_sigacts; 827 mtx_lock(&ps->ps_mtx); 828 bsd_to_linux_sigset(&ps->ps_sigignore, &sigignore); 829 bsd_to_linux_sigset(&ps->ps_sigcatch, &sigcatch); 830 mtx_unlock(&ps->ps_mtx); 831 PROC_UNLOCK(p); 832 833 sbuf_printf(sb, "SigPnd:\t%016jx\n", siglist.__mask); 834 /* 835 * XXX. SigBlk - target thread's signal mask, td_sigmask. 836 * To implement SigBlk pseudofs should support proc/tid dir entries. 837 */ 838 sbuf_printf(sb, "SigBlk:\t%016x\n", 0); 839 sbuf_printf(sb, "SigIgn:\t%016jx\n", sigignore.__mask); 840 sbuf_printf(sb, "SigCgt:\t%016jx\n", sigcatch.__mask); 841 842 /* 843 * Linux also prints the capability masks, but we don't have 844 * capabilities yet, and when we do get them they're likely to 845 * be meaningless to Linux programs, so we lie. XXX 846 */ 847 sbuf_printf(sb, "CapInh:\t%016x\n", 0); 848 sbuf_printf(sb, "CapPrm:\t%016x\n", 0); 849 sbuf_printf(sb, "CapEff:\t%016x\n", 0); 850 851 return (0); 852} 853 854 855/* 856 * Filler function for proc/pid/cwd 857 */ 858static int 859linprocfs_doproccwd(PFS_FILL_ARGS) 860{ 861 char *fullpath = "unknown"; 862 char *freepath = NULL; 863 864 vn_fullpath(td, p->p_fd->fd_cdir, &fullpath, &freepath); 865 sbuf_printf(sb, "%s", fullpath); 866 if (freepath) 867 free(freepath, M_TEMP); 868 return (0); 869} 870 871/* 872 * Filler function for proc/pid/root 873 */ 874static int 875linprocfs_doprocroot(PFS_FILL_ARGS) 876{ 877 struct vnode *rvp; 878 char *fullpath = "unknown"; 879 char *freepath = NULL; 880 881 rvp = jailed(p->p_ucred) ? p->p_fd->fd_jdir : p->p_fd->fd_rdir; 882 vn_fullpath(td, rvp, &fullpath, &freepath); 883 sbuf_printf(sb, "%s", fullpath); 884 if (freepath) 885 free(freepath, M_TEMP); 886 return (0); 887} 888 889/* 890 * Filler function for proc/pid/cmdline 891 */ 892static int 893linprocfs_doproccmdline(PFS_FILL_ARGS) 894{ 895 int ret; 896 897 PROC_LOCK(p); 898 if ((ret = p_cansee(td, p)) != 0) { 899 PROC_UNLOCK(p); 900 return (ret); 901 } 902 903 /* 904 * Mimic linux behavior and pass only processes with usermode 905 * address space as valid. Return zero silently otherwize. 906 */ 907 if (p->p_vmspace == &vmspace0) { 908 PROC_UNLOCK(p); 909 return (0); 910 } 911 if (p->p_args != NULL) { 912 sbuf_bcpy(sb, p->p_args->ar_args, p->p_args->ar_length); 913 PROC_UNLOCK(p); 914 return (0); 915 } 916 917 if ((p->p_flag & P_SYSTEM) != 0) { 918 PROC_UNLOCK(p); 919 return (0); 920 } 921 922 PROC_UNLOCK(p); 923 924 ret = proc_getargv(td, p, sb); 925 return (ret); 926} 927 928/* 929 * Filler function for proc/pid/environ 930 */ 931static int 932linprocfs_doprocenviron(PFS_FILL_ARGS) 933{ 934 int ret; 935 936 PROC_LOCK(p); 937 if ((ret = p_candebug(td, p)) != 0) { 938 PROC_UNLOCK(p); 939 return (ret); 940 } 941 942 /* 943 * Mimic linux behavior and pass only processes with usermode 944 * address space as valid. Return zero silently otherwize. 945 */ 946 if (p->p_vmspace == &vmspace0) { 947 PROC_UNLOCK(p); 948 return (0); 949 } 950 951 if ((p->p_flag & P_SYSTEM) != 0) { 952 PROC_UNLOCK(p); 953 return (0); 954 } 955 956 PROC_UNLOCK(p); 957 958 ret = proc_getenvv(td, p, sb); 959 return (ret); 960} 961 962static char l32_map_str[] = "%08lx-%08lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n"; 963static char l64_map_str[] = "%016lx-%016lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n"; 964static char vdso_str[] = " [vdso]"; 965static char stack_str[] = " [stack]"; 966 967/* 968 * Filler function for proc/pid/maps 969 */ 970static int 971linprocfs_doprocmaps(PFS_FILL_ARGS) 972{ 973 struct vmspace *vm; 974 vm_map_t map; 975 vm_map_entry_t entry, tmp_entry; 976 vm_object_t obj, tobj, lobj; 977 vm_offset_t e_start, e_end; 978 vm_ooffset_t off = 0; 979 vm_prot_t e_prot; 980 unsigned int last_timestamp; 981 char *name = "", *freename = NULL; 982 const char *l_map_str; 983 ino_t ino; 984 int ref_count, shadow_count, flags; 985 int error; 986 struct vnode *vp; 987 struct vattr vat; 988 989 PROC_LOCK(p); 990 error = p_candebug(td, p); 991 PROC_UNLOCK(p); 992 if (error) 993 return (error); 994 995 if (uio->uio_rw != UIO_READ) 996 return (EOPNOTSUPP); 997 998 error = 0; 999 vm = vmspace_acquire_ref(p); 1000 if (vm == NULL) 1001 return (ESRCH); 1002 1003 if (SV_CURPROC_FLAG(SV_LP64)) 1004 l_map_str = l64_map_str; 1005 else 1006 l_map_str = l32_map_str; 1007 map = &vm->vm_map; 1008 vm_map_lock_read(map); 1009 for (entry = map->header.next; entry != &map->header; 1010 entry = entry->next) { 1011 name = ""; 1012 freename = NULL; 1013 if (entry->eflags & MAP_ENTRY_IS_SUB_MAP) 1014 continue; 1015 e_prot = entry->protection; 1016 e_start = entry->start; 1017 e_end = entry->end; 1018 obj = entry->object.vm_object; 1019 for (lobj = tobj = obj; tobj; tobj = tobj->backing_object) { 1020 VM_OBJECT_RLOCK(tobj); 1021 if (lobj != obj) 1022 VM_OBJECT_RUNLOCK(lobj); 1023 lobj = tobj; 1024 } 1025 last_timestamp = map->timestamp; 1026 vm_map_unlock_read(map); 1027 ino = 0; 1028 if (lobj) { 1029 off = IDX_TO_OFF(lobj->size); 1030 vp = vm_object_vnode(lobj); 1031 if (vp != NULL) 1032 vref(vp); 1033 if (lobj != obj) 1034 VM_OBJECT_RUNLOCK(lobj); 1035 flags = obj->flags; 1036 ref_count = obj->ref_count; 1037 shadow_count = obj->shadow_count; 1038 VM_OBJECT_RUNLOCK(obj); 1039 if (vp != NULL) { 1040 vn_fullpath(td, vp, &name, &freename); 1041 vn_lock(vp, LK_SHARED | LK_RETRY); 1042 VOP_GETATTR(vp, &vat, td->td_ucred); 1043 ino = vat.va_fileid; 1044 vput(vp); 1045 } else if (SV_PROC_ABI(p) == SV_ABI_LINUX) { 1046 if (e_start == p->p_sysent->sv_shared_page_base) 1047 name = vdso_str; 1048 if (e_end == p->p_sysent->sv_usrstack) 1049 name = stack_str; 1050 } 1051 } else { 1052 flags = 0; 1053 ref_count = 0; 1054 shadow_count = 0; 1055 } 1056 1057 /* 1058 * format: 1059 * start, end, access, offset, major, minor, inode, name. 1060 */ 1061 error = sbuf_printf(sb, l_map_str, 1062 (u_long)e_start, (u_long)e_end, 1063 (e_prot & VM_PROT_READ)?"r":"-", 1064 (e_prot & VM_PROT_WRITE)?"w":"-", 1065 (e_prot & VM_PROT_EXECUTE)?"x":"-", 1066 "p", 1067 (u_long)off, 1068 0, 1069 0, 1070 (u_long)ino, 1071 *name ? " " : "", 1072 name 1073 ); 1074 if (freename) 1075 free(freename, M_TEMP); 1076 vm_map_lock_read(map); 1077 if (error == -1) { 1078 error = 0; 1079 break; 1080 } 1081 if (last_timestamp != map->timestamp) { 1082 /* 1083 * Look again for the entry because the map was 1084 * modified while it was unlocked. Specifically, 1085 * the entry may have been clipped, merged, or deleted. 1086 */ 1087 vm_map_lookup_entry(map, e_end - 1, &tmp_entry); 1088 entry = tmp_entry; 1089 } 1090 } 1091 vm_map_unlock_read(map); 1092 vmspace_free(vm); 1093 1094 return (error); 1095} 1096 1097/* 1098 * Criteria for interface name translation 1099 */ 1100#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 1101 1102static int 1103linux_ifname(struct ifnet *ifp, char *buffer, size_t buflen) 1104{ 1105 struct ifnet *ifscan; 1106 int ethno; 1107 1108 IFNET_RLOCK_ASSERT(); 1109 1110 /* Short-circuit non ethernet interfaces */ 1111 if (!IFP_IS_ETH(ifp)) 1112 return (strlcpy(buffer, ifp->if_xname, buflen)); 1113 1114 /* Determine the (relative) unit number for ethernet interfaces */ 1115 ethno = 0; 1116 TAILQ_FOREACH(ifscan, &V_ifnet, if_link) { 1117 if (ifscan == ifp) 1118 return (snprintf(buffer, buflen, "eth%d", ethno)); 1119 if (IFP_IS_ETH(ifscan)) 1120 ethno++; 1121 } 1122 1123 return (0); 1124} 1125 1126/* 1127 * Filler function for proc/net/dev 1128 */ 1129static int 1130linprocfs_donetdev(PFS_FILL_ARGS) 1131{ 1132 char ifname[16]; /* XXX LINUX_IFNAMSIZ */ 1133 struct ifnet *ifp; 1134 1135 sbuf_printf(sb, "%6s|%58s|%s\n" 1136 "%6s|%58s|%58s\n", 1137 "Inter-", " Receive", " Transmit", 1138 " face", 1139 "bytes packets errs drop fifo frame compressed multicast", 1140 "bytes packets errs drop fifo colls carrier compressed"); 1141 1142 CURVNET_SET(TD_TO_VNET(curthread)); 1143 IFNET_RLOCK(); 1144 TAILQ_FOREACH(ifp, &V_ifnet, if_link) { 1145 linux_ifname(ifp, ifname, sizeof ifname); 1146 sbuf_printf(sb, "%6.6s: ", ifname); 1147 sbuf_printf(sb, "%7lu %7lu %4lu %4lu %4lu %5lu %10lu %9lu ", 1148 ifp->if_ibytes, /* rx_bytes */ 1149 ifp->if_ipackets, /* rx_packets */ 1150 ifp->if_ierrors, /* rx_errors */ 1151 ifp->if_iqdrops, /* rx_dropped + 1152 * rx_missed_errors */ 1153 0UL, /* rx_fifo_errors */ 1154 0UL, /* rx_length_errors + 1155 * rx_over_errors + 1156 * rx_crc_errors + 1157 * rx_frame_errors */ 1158 0UL, /* rx_compressed */ 1159 ifp->if_imcasts); /* multicast, XXX-BZ rx only? */ 1160 sbuf_printf(sb, "%8lu %7lu %4lu %4lu %4lu %5lu %7lu %10lu\n", 1161 ifp->if_obytes, /* tx_bytes */ 1162 ifp->if_opackets, /* tx_packets */ 1163 ifp->if_oerrors, /* tx_errors */ 1164 0UL, /* tx_dropped */ 1165 0UL, /* tx_fifo_errors */ 1166 ifp->if_collisions, /* collisions */ 1167 0UL, /* tx_carrier_errors + 1168 * tx_aborted_errors + 1169 * tx_window_errors + 1170 * tx_heartbeat_errors */ 1171 0UL); /* tx_compressed */ 1172 } 1173 IFNET_RUNLOCK(); 1174 CURVNET_RESTORE(); 1175 1176 return (0); 1177} 1178 1179/* 1180 * Filler function for proc/sys/kernel/osrelease 1181 */ 1182static int 1183linprocfs_doosrelease(PFS_FILL_ARGS) 1184{ 1185 char osrelease[LINUX_MAX_UTSNAME]; 1186 1187 linux_get_osrelease(td, osrelease); 1188 sbuf_printf(sb, "%s\n", osrelease); 1189 1190 return (0); 1191} 1192 1193/* 1194 * Filler function for proc/sys/kernel/ostype 1195 */ 1196static int 1197linprocfs_doostype(PFS_FILL_ARGS) 1198{ 1199 char osname[LINUX_MAX_UTSNAME]; 1200 1201 linux_get_osname(td, osname); 1202 sbuf_printf(sb, "%s\n", osname); 1203 1204 return (0); 1205} 1206 1207/* 1208 * Filler function for proc/sys/kernel/version 1209 */ 1210static int 1211linprocfs_doosbuild(PFS_FILL_ARGS) 1212{ 1213 1214 linprocfs_osbuild(td, sb); 1215 sbuf_cat(sb, "\n"); 1216 return (0); 1217} 1218 1219/* 1220 * Filler function for proc/sys/kernel/msgmni 1221 */ 1222static int 1223linprocfs_domsgmni(PFS_FILL_ARGS) 1224{ 1225 1226 sbuf_printf(sb, "%d\n", msginfo.msgmni); 1227 return (0); 1228} 1229 1230/* 1231 * Filler function for proc/sys/kernel/pid_max 1232 */ 1233static int 1234linprocfs_dopid_max(PFS_FILL_ARGS) 1235{ 1236 1237 sbuf_printf(sb, "%i\n", PID_MAX); 1238 return (0); 1239} 1240 1241/* 1242 * Filler function for proc/sys/kernel/sem 1243 */ 1244static int 1245linprocfs_dosem(PFS_FILL_ARGS) 1246{ 1247 1248 sbuf_printf(sb, "%d %d %d %d\n", seminfo.semmsl, seminfo.semmns, 1249 seminfo.semopm, seminfo.semmni); 1250 return (0); 1251} 1252 1253/* 1254 * Filler function for proc/scsi/device_info 1255 */ 1256static int 1257linprocfs_doscsidevinfo(PFS_FILL_ARGS) 1258{ 1259 1260 return (0); 1261} 1262 1263/* 1264 * Filler function for proc/scsi/scsi 1265 */ 1266static int 1267linprocfs_doscsiscsi(PFS_FILL_ARGS) 1268{ 1269 1270 return (0); 1271} 1272 1273/* 1274 * Filler function for proc/devices 1275 */ 1276static int 1277linprocfs_dodevices(PFS_FILL_ARGS) 1278{ 1279 char *char_devices; 1280 sbuf_printf(sb, "Character devices:\n"); 1281 1282 char_devices = linux_get_char_devices(); 1283 sbuf_printf(sb, "%s", char_devices); 1284 linux_free_get_char_devices(char_devices); 1285 1286 sbuf_printf(sb, "\nBlock devices:\n"); 1287 1288 return (0); 1289} 1290 1291/* 1292 * Filler function for proc/cmdline 1293 */ 1294static int 1295linprocfs_docmdline(PFS_FILL_ARGS) 1296{ 1297 1298 sbuf_printf(sb, "BOOT_IMAGE=%s", kernelname); 1299 sbuf_printf(sb, " ro root=302\n"); 1300 return (0); 1301} 1302 1303/* 1304 * Filler function for proc/filesystems 1305 */ 1306static int 1307linprocfs_dofilesystems(PFS_FILL_ARGS) 1308{ 1309 struct vfsconf *vfsp; 1310 1311 mtx_lock(&Giant); 1312 TAILQ_FOREACH(vfsp, &vfsconf, vfc_list) { 1313 if (vfsp->vfc_flags & VFCF_SYNTHETIC) 1314 sbuf_printf(sb, "nodev"); 1315 sbuf_printf(sb, "\t%s\n", vfsp->vfc_name); 1316 } 1317 mtx_unlock(&Giant); 1318 return(0); 1319} 1320 1321#if 0 1322/* 1323 * Filler function for proc/modules 1324 */ 1325static int 1326linprocfs_domodules(PFS_FILL_ARGS) 1327{ 1328 struct linker_file *lf; 1329 1330 TAILQ_FOREACH(lf, &linker_files, link) { 1331 sbuf_printf(sb, "%-20s%8lu%4d\n", lf->filename, 1332 (unsigned long)lf->size, lf->refs); 1333 } 1334 return (0); 1335} 1336#endif 1337 1338/* 1339 * Filler function for proc/pid/fd 1340 */ 1341static int 1342linprocfs_dofdescfs(PFS_FILL_ARGS) 1343{ 1344 1345 if (p == curproc) 1346 sbuf_printf(sb, "/dev/fd"); 1347 else 1348 sbuf_printf(sb, "unknown"); 1349 return (0); 1350} 1351 1352 1353/* 1354 * Filler function for proc/sys/kernel/random/uuid 1355 */ 1356static int 1357linprocfs_douuid(PFS_FILL_ARGS) 1358{ 1359 struct uuid uuid; 1360 1361 kern_uuidgen(&uuid, 1); 1362 sbuf_printf_uuid(sb, &uuid); 1363 sbuf_printf(sb, "\n"); 1364 return(0); 1365} 1366 1367/* 1368 * Filler function for proc/pid/auxv 1369 */ 1370static int 1371linprocfs_doauxv(PFS_FILL_ARGS) 1372{ 1373 struct sbuf *asb; 1374 off_t buflen, resid; 1375 int error; 1376 1377 /* 1378 * Mimic linux behavior and pass only processes with usermode 1379 * address space as valid. Return zero silently otherwise. 1380 */ 1381 if (p->p_vmspace == &vmspace0) 1382 return (0); 1383 1384 if (uio->uio_resid == 0) 1385 return (0); 1386 if (uio->uio_offset < 0 || uio->uio_resid < 0) 1387 return (EINVAL); 1388 1389 asb = sbuf_new_auto(); 1390 if (asb == NULL) 1391 return (ENOMEM); 1392 error = proc_getauxv(td, p, asb); 1393 if (error == 0) 1394 error = sbuf_finish(asb); 1395 1396 resid = sbuf_len(asb) - uio->uio_offset; 1397 if (resid > uio->uio_resid) 1398 buflen = uio->uio_resid; 1399 else 1400 buflen = resid; 1401 if (buflen > IOSIZE_MAX) 1402 return (EINVAL); 1403 if (buflen > MAXPHYS) 1404 buflen = MAXPHYS; 1405 if (resid <= 0) 1406 return (0); 1407 1408 if (error == 0) 1409 error = uiomove(sbuf_data(asb) + uio->uio_offset, buflen, uio); 1410 sbuf_delete(asb); 1411 return (error); 1412} 1413 1414/* 1415 * Constructor 1416 */ 1417static int 1418linprocfs_init(PFS_INIT_ARGS) 1419{ 1420 struct pfs_node *root; 1421 struct pfs_node *dir; 1422 1423 root = pi->pi_root; 1424 1425 /* /proc/... */ 1426 pfs_create_file(root, "cmdline", &linprocfs_docmdline, 1427 NULL, NULL, NULL, PFS_RD); 1428 pfs_create_file(root, "cpuinfo", &linprocfs_docpuinfo, 1429 NULL, NULL, NULL, PFS_RD); 1430 pfs_create_file(root, "devices", &linprocfs_dodevices, 1431 NULL, NULL, NULL, PFS_RD); 1432 pfs_create_file(root, "filesystems", &linprocfs_dofilesystems, 1433 NULL, NULL, NULL, PFS_RD); 1434 pfs_create_file(root, "loadavg", &linprocfs_doloadavg, 1435 NULL, NULL, NULL, PFS_RD); 1436 pfs_create_file(root, "meminfo", &linprocfs_domeminfo, 1437 NULL, NULL, NULL, PFS_RD); 1438#if 0 1439 pfs_create_file(root, "modules", &linprocfs_domodules, 1440 NULL, NULL, NULL, PFS_RD); 1441#endif 1442 pfs_create_file(root, "mounts", &linprocfs_domtab, 1443 NULL, NULL, NULL, PFS_RD); 1444 pfs_create_file(root, "mtab", &linprocfs_domtab, 1445 NULL, NULL, NULL, PFS_RD); 1446 pfs_create_file(root, "partitions", &linprocfs_dopartitions, 1447 NULL, NULL, NULL, PFS_RD); 1448 pfs_create_link(root, "self", &procfs_docurproc, 1449 NULL, NULL, NULL, 0); 1450 pfs_create_file(root, "stat", &linprocfs_dostat, 1451 NULL, NULL, NULL, PFS_RD); 1452 pfs_create_file(root, "swaps", &linprocfs_doswaps, 1453 NULL, NULL, NULL, PFS_RD); 1454 pfs_create_file(root, "uptime", &linprocfs_douptime, 1455 NULL, NULL, NULL, PFS_RD); 1456 pfs_create_file(root, "version", &linprocfs_doversion, 1457 NULL, NULL, NULL, PFS_RD); 1458 1459 /* /proc/net/... */ 1460 dir = pfs_create_dir(root, "net", NULL, NULL, NULL, 0); 1461 pfs_create_file(dir, "dev", &linprocfs_donetdev, 1462 NULL, NULL, NULL, PFS_RD); 1463 1464 /* /proc/<pid>/... */ 1465 dir = pfs_create_dir(root, "pid", NULL, NULL, NULL, PFS_PROCDEP); 1466 pfs_create_file(dir, "cmdline", &linprocfs_doproccmdline, 1467 NULL, NULL, NULL, PFS_RD); 1468 pfs_create_link(dir, "cwd", &linprocfs_doproccwd, 1469 NULL, NULL, NULL, 0); 1470 pfs_create_file(dir, "environ", &linprocfs_doprocenviron, 1471 NULL, NULL, NULL, PFS_RD); 1472 pfs_create_link(dir, "exe", &procfs_doprocfile, 1473 NULL, &procfs_notsystem, NULL, 0); 1474 pfs_create_file(dir, "maps", &linprocfs_doprocmaps, 1475 NULL, NULL, NULL, PFS_RD); 1476 pfs_create_file(dir, "mem", &procfs_doprocmem, 1477 &procfs_attr, &procfs_candebug, NULL, PFS_RDWR|PFS_RAW); 1478 pfs_create_link(dir, "root", &linprocfs_doprocroot, 1479 NULL, NULL, NULL, 0); 1480 pfs_create_file(dir, "stat", &linprocfs_doprocstat, 1481 NULL, NULL, NULL, PFS_RD); 1482 pfs_create_file(dir, "statm", &linprocfs_doprocstatm, 1483 NULL, NULL, NULL, PFS_RD); 1484 pfs_create_file(dir, "status", &linprocfs_doprocstatus, 1485 NULL, NULL, NULL, PFS_RD); 1486 pfs_create_link(dir, "fd", &linprocfs_dofdescfs, 1487 NULL, NULL, NULL, 0); 1488 pfs_create_file(dir, "auxv", &linprocfs_doauxv, 1489 NULL, &procfs_candebug, NULL, PFS_RD|PFS_RAWRD); 1490 1491 /* /proc/scsi/... */ 1492 dir = pfs_create_dir(root, "scsi", NULL, NULL, NULL, 0); 1493 pfs_create_file(dir, "device_info", &linprocfs_doscsidevinfo, 1494 NULL, NULL, NULL, PFS_RD); 1495 pfs_create_file(dir, "scsi", &linprocfs_doscsiscsi, 1496 NULL, NULL, NULL, PFS_RD); 1497 1498 /* /proc/sys/... */ 1499 dir = pfs_create_dir(root, "sys", NULL, NULL, NULL, 0); 1500 /* /proc/sys/kernel/... */ 1501 dir = pfs_create_dir(dir, "kernel", NULL, NULL, NULL, 0); 1502 pfs_create_file(dir, "osrelease", &linprocfs_doosrelease, 1503 NULL, NULL, NULL, PFS_RD); 1504 pfs_create_file(dir, "ostype", &linprocfs_doostype, 1505 NULL, NULL, NULL, PFS_RD); 1506 pfs_create_file(dir, "version", &linprocfs_doosbuild, 1507 NULL, NULL, NULL, PFS_RD); 1508 pfs_create_file(dir, "msgmni", &linprocfs_domsgmni, 1509 NULL, NULL, NULL, PFS_RD); 1510 pfs_create_file(dir, "pid_max", &linprocfs_dopid_max, 1511 NULL, NULL, NULL, PFS_RD); 1512 pfs_create_file(dir, "sem", &linprocfs_dosem, 1513 NULL, NULL, NULL, PFS_RD); 1514 1515 /* /proc/sys/kernel/random/... */ 1516 dir = pfs_create_dir(dir, "random", NULL, NULL, NULL, 0); 1517 pfs_create_file(dir, "uuid", &linprocfs_douuid, 1518 NULL, NULL, NULL, PFS_RD); 1519 1520 return (0); 1521} 1522 1523/* 1524 * Destructor 1525 */ 1526static int 1527linprocfs_uninit(PFS_INIT_ARGS) 1528{ 1529 1530 /* nothing to do, pseudofs will GC */ 1531 return (0); 1532} 1533 1534PSEUDOFS(linprocfs, 1, 0); 1535#if defined(__amd64__) 1536MODULE_DEPEND(linprocfs, linux_common, 1, 1, 1); 1537#else 1538MODULE_DEPEND(linprocfs, linux, 1, 1, 1); 1539#endif 1540MODULE_DEPEND(linprocfs, procfs, 1, 1, 1); 1541MODULE_DEPEND(linprocfs, sysvmsg, 1, 1, 1); 1542MODULE_DEPEND(linprocfs, sysvsem, 1, 1, 1); 1543