Index: head/sbin/mount/mntopts.h =================================================================== --- head/sbin/mount/mntopts.h (revision 152911) +++ head/sbin/mount/mntopts.h (revision 152912) @@ -1,99 +1,97 @@ /*- * Copyright (c) 1994 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)mntopts.h 8.7 (Berkeley) 3/29/95 * $FreeBSD$ */ struct mntopt { const char *m_option; /* option name */ int m_inverse; /* if a negative option, e.g. "dev" */ int m_flag; /* bit to set, e.g. MNT_RDONLY */ int m_altloc; /* 1 => set bit in altflags */ }; /* User-visible MNT_ flags. */ #define MOPT_ASYNC { "async", 0, MNT_ASYNC, 0 } #define MOPT_NOATIME { "atime", 1, MNT_NOATIME, 0 } -#define MOPT_NODEV { "dev", 1, MNT_NODEV, 0 } #define MOPT_NOEXEC { "exec", 1, MNT_NOEXEC, 0 } #define MOPT_NOSUID { "suid", 1, MNT_NOSUID, 0 } #define MOPT_NOSYMFOLLOW { "symfollow", 1, MNT_NOSYMFOLLOW, 0 } #define MOPT_RDONLY { "rdonly", 0, MNT_RDONLY, 0 } #define MOPT_SYNC { "sync", 0, MNT_SYNCHRONOUS, 0 } #define MOPT_UNION { "union", 0, MNT_UNION, 0 } #define MOPT_USERQUOTA { "userquota", 0, 0, 0 } #define MOPT_GROUPQUOTA { "groupquota", 0, 0, 0 } #define MOPT_NOCLUSTERR { "clusterr", 1, MNT_NOCLUSTERR, 0 } #define MOPT_NOCLUSTERW { "clusterw", 1, MNT_NOCLUSTERW, 0 } #define MOPT_SUIDDIR { "suiddir", 0, MNT_SUIDDIR, 0 } #define MOPT_SNAPSHOT { "snapshot", 0, MNT_SNAPSHOT, 0 } #define MOPT_MULTILABEL { "multilabel", 0, MNT_MULTILABEL, 0 } #define MOPT_ACLS { "acls", 0, MNT_ACLS, 0 } /* Control flags. */ #define MOPT_FORCE { "force", 0, MNT_FORCE, 0 } #define MOPT_UPDATE { "update", 0, MNT_UPDATE, 0 } #define MOPT_RO { "ro", 0, MNT_RDONLY, 0 } #define MOPT_RW { "rw", 1, MNT_RDONLY, 0 } /* This is parsed by mount(8), but is ignored by specific mount_*(8)s. */ #define MOPT_AUTO { "auto", 0, 0, 0 } /* A handy macro as terminator of MNT_ array. */ #define MOPT_END { NULL, 0, 0, 0 } #define MOPT_FSTAB_COMPAT \ MOPT_RO, \ MOPT_RW, \ MOPT_AUTO /* Standard options which all mounts can understand. */ #define MOPT_STDOPTS \ MOPT_USERQUOTA, \ MOPT_GROUPQUOTA, \ MOPT_FSTAB_COMPAT, \ MOPT_NOATIME, \ - MOPT_NODEV, \ MOPT_NOEXEC, \ MOPT_SUIDDIR, /* must be before MOPT_NOSUID */ \ MOPT_NOSUID, \ MOPT_NOSYMFOLLOW, \ MOPT_RDONLY, \ MOPT_UNION, \ MOPT_NOCLUSTERR, \ MOPT_NOCLUSTERW, \ MOPT_MULTILABEL, \ MOPT_ACLS void getmntopts(const char *, const struct mntopt *, int *, int *); void rmslashes(char *, char *); void checkpath(const char *, char resolved_path[]); extern int getmnt_silent; void build_iovec(struct iovec **iov, int *iovlen, const char *name, void *val, size_t len); void build_iovec_argf(struct iovec **iov, int *iovlen, const char *name, const char *fmt, ...); Index: head/sys/compat/linprocfs/linprocfs.c =================================================================== --- head/sys/compat/linprocfs/linprocfs.c (revision 152911) +++ head/sys/compat/linprocfs/linprocfs.c (revision 152912) @@ -1,1090 +1,1089 @@ /*- * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav * Copyright (c) 1999 Pierre Beyssac * Copyright (c) 1993 Jan-Simon Pendry * Copyright (c) 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Jan-Simon Pendry. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)procfs_status.c 8.4 (Berkeley) 6/15/94 */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef __alpha__ #include #include #include extern int ncpus; #endif /* __alpha__ */ #if defined(__i386__) || defined(__amd64__) #include #include #endif /* __i386__ || __amd64__ */ #include "opt_compat.h" #ifdef COMPAT_LINUX32 /* XXX */ #include #else #include #endif #include #include #include #include #include /* * Various conversion macros */ #define T2J(x) (((x) * 100UL) / (stathz ? stathz : hz)) /* ticks to jiffies */ #define T2S(x) ((x) / (stathz ? stathz : hz)) /* ticks to seconds */ #define B2K(x) ((x) >> 10) /* bytes to kbytes */ #define B2P(x) ((x) >> PAGE_SHIFT) /* bytes to pages */ #define P2B(x) ((x) << PAGE_SHIFT) /* pages to bytes */ #define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* pages to kbytes */ /* * Filler function for proc/meminfo */ static int linprocfs_domeminfo(PFS_FILL_ARGS) { unsigned long memtotal; /* total memory in bytes */ unsigned long memused; /* used memory in bytes */ unsigned long memfree; /* free memory in bytes */ unsigned long memshared; /* shared memory ??? */ unsigned long buffers, cached; /* buffer / cache memory ??? */ unsigned long long swaptotal; /* total swap space in bytes */ unsigned long long swapused; /* used swap space in bytes */ unsigned long long swapfree; /* free swap space in bytes */ vm_object_t object; int i, j; memtotal = physmem * PAGE_SIZE; /* * The correct thing here would be: * memfree = cnt.v_free_count * PAGE_SIZE; memused = memtotal - memfree; * * but it might mislead linux binaries into thinking there * is very little memory left, so we cheat and tell them that * all memory that isn't wired down is free. */ memused = cnt.v_wire_count * PAGE_SIZE; memfree = memtotal - memused; swap_pager_status(&i, &j); swaptotal = i * PAGE_SIZE; swapused = j * PAGE_SIZE; swapfree = swaptotal - swapused; memshared = 0; mtx_lock(&vm_object_list_mtx); TAILQ_FOREACH(object, &vm_object_list, object_list) if (object->shadow_count > 1) memshared += object->resident_page_count; mtx_unlock(&vm_object_list_mtx); memshared *= PAGE_SIZE; /* * We'd love to be able to write: * buffers = bufspace; * * but bufspace is internal to vfs_bio.c and we don't feel * like unstaticizing it just for linprocfs's sake. */ buffers = 0; cached = cnt.v_cache_count * PAGE_SIZE; sbuf_printf(sb, " total: used: free: shared: buffers: cached:\n" "Mem: %lu %lu %lu %lu %lu %lu\n" "Swap: %llu %llu %llu\n" "MemTotal: %9lu kB\n" "MemFree: %9lu kB\n" "MemShared:%9lu kB\n" "Buffers: %9lu kB\n" "Cached: %9lu kB\n" "SwapTotal:%9llu kB\n" "SwapFree: %9llu kB\n", memtotal, memused, memfree, memshared, buffers, cached, swaptotal, swapused, swapfree, B2K(memtotal), B2K(memfree), B2K(memshared), B2K(buffers), B2K(cached), B2K(swaptotal), B2K(swapfree)); return (0); } #ifdef __alpha__ extern struct rpb *hwrpb; /* * Filler function for proc/cpuinfo (Alpha version) */ static int linprocfs_docpuinfo(PFS_FILL_ARGS) { u_int64_t type, major; struct pcs *pcsp; const char *model, *sysname; static const char *cpuname[] = { "EV3", "EV4", "Simulate", "LCA4", "EV5", "EV45", "EV56", "EV6", "PCA56", "PCA57", "EV67", "EV68CB", "EV68AL" }; pcsp = LOCATE_PCS(hwrpb, hwrpb->rpb_primary_cpu_id); type = pcsp->pcs_proc_type; major = (type & PCS_PROC_MAJOR) >> PCS_PROC_MAJORSHIFT; if (major < sizeof(cpuname)/sizeof(char *)) { model = cpuname[major - 1]; } else { model = "unknown"; } sysname = alpha_dsr_sysname(); sbuf_printf(sb, "cpu\t\t\t: Alpha\n" "cpu model\t\t: %s\n" "cpu variation\t\t: %ld\n" "cpu revision\t\t: %d\n" "cpu serial number\t: %s\n" "system type\t\t: %s\n" "system variation\t: %s\n" "system revision\t\t: %d\n" "system serial number\t: %s\n" "cycle frequency [Hz]\t: %lu\n" "timer frequency [Hz]\t: %u\n" "page size [bytes]\t: %ld\n" "phys. address bits\t: %ld\n" "max. addr. space #\t: %ld\n" "BogoMIPS\t\t: %u.%02u\n" "kernel unaligned acc\t: %d (pc=%x,va=%x)\n" "user unaligned acc\t: %d (pc=%x,va=%x)\n" "platform string\t\t: %s\n" "cpus detected\t\t: %d\n" , model, pcsp->pcs_proc_var, *(int *)hwrpb->rpb_revision, " ", " ", "0", 0, " ", hwrpb->rpb_cc_freq, hz, hwrpb->rpb_page_size, hwrpb->rpb_phys_addr_size, hwrpb->rpb_max_asn, 0, 0, 0, 0, 0, 0, 0, 0, sysname, ncpus); return (0); } #endif /* __alpha__ */ #if defined(__i386__) || defined(__amd64__) /* * Filler function for proc/cpuinfo (i386 & amd64 version) */ static int linprocfs_docpuinfo(PFS_FILL_ARGS) { int class, fqmhz, fqkhz; int i; /* * We default the flags to include all non-conflicting flags, * and the Intel versions of conflicting flags. */ static char *flags[] = { "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce", "cx8", "apic", "sep", "sep", "mtrr", "pge", "mca", "cmov", "pat", "pse36", "pn", "b19", "b20", "b21", "mmxext", "mmx", "fxsr", "xmm", "b26", "b27", "b28", "b29", "3dnowext", "3dnow" }; switch (cpu_class) { #ifdef __i386__ case CPUCLASS_286: class = 2; break; case CPUCLASS_386: class = 3; break; case CPUCLASS_486: class = 4; break; case CPUCLASS_586: class = 5; break; case CPUCLASS_686: class = 6; break; default: class = 0; break; #else default: class = 6; break; #endif } for (i = 0; i < mp_ncpus; ++i) { sbuf_printf(sb, "processor\t: %d\n" "vendor_id\t: %.20s\n" "cpu family\t: %d\n" "model\t\t: %d\n" "stepping\t: %d\n", i, cpu_vendor, class, cpu, cpu_id & 0xf); /* XXX per-cpu vendor / class / id? */ } sbuf_cat(sb, "flags\t\t:"); if (!strcmp(cpu_vendor, "AuthenticAMD") && (class < 6)) { flags[16] = "fcmov"; } else if (!strcmp(cpu_vendor, "CyrixInstead")) { flags[24] = "cxmmx"; } for (i = 0; i < 32; i++) if (cpu_feature & (1 << i)) sbuf_printf(sb, " %s", flags[i]); sbuf_cat(sb, "\n"); if (class >= 5) { fqmhz = (tsc_freq + 4999) / 1000000; fqkhz = ((tsc_freq + 4999) / 10000) % 100; sbuf_printf(sb, "cpu MHz\t\t: %d.%02d\n" "bogomips\t: %d.%02d\n", fqmhz, fqkhz, fqmhz, fqkhz); } return (0); } #endif /* __i386__ || __amd64__ */ /* * Filler function for proc/mtab * * This file doesn't exist in Linux' procfs, but is included here so * users can symlink /compat/linux/etc/mtab to /proc/mtab */ static int linprocfs_domtab(PFS_FILL_ARGS) { struct nameidata nd; struct mount *mp; const char *lep; char *dlep, *flep, *mntto, *mntfrom, *fstype; size_t lep_len; int error; /* resolve symlinks etc. in the emulation tree prefix */ NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, linux_emul_path, td); flep = NULL; if (namei(&nd) != 0 || vn_fullpath(td, nd.ni_vp, &dlep, &flep) != 0) lep = linux_emul_path; else lep = dlep; lep_len = strlen(lep); mtx_lock(&mountlist_mtx); error = 0; TAILQ_FOREACH(mp, &mountlist, mnt_list) { /* determine device name */ mntfrom = mp->mnt_stat.f_mntfromname; /* determine mount point */ mntto = mp->mnt_stat.f_mntonname; if (strncmp(mntto, lep, lep_len) == 0 && mntto[lep_len] == '/') mntto += lep_len; /* determine fs type */ fstype = mp->mnt_stat.f_fstypename; if (strcmp(fstype, pn->pn_info->pi_name) == 0) mntfrom = fstype = "proc"; else if (strcmp(fstype, "procfs") == 0) continue; sbuf_printf(sb, "%s %s %s %s", mntfrom, mntto, fstype, mp->mnt_stat.f_flags & MNT_RDONLY ? "ro" : "rw"); #define ADD_OPTION(opt, name) \ if (mp->mnt_stat.f_flags & (opt)) sbuf_printf(sb, "," name); ADD_OPTION(MNT_SYNCHRONOUS, "sync"); ADD_OPTION(MNT_NOEXEC, "noexec"); ADD_OPTION(MNT_NOSUID, "nosuid"); - ADD_OPTION(MNT_NODEV, "nodev"); ADD_OPTION(MNT_UNION, "union"); ADD_OPTION(MNT_ASYNC, "async"); ADD_OPTION(MNT_SUIDDIR, "suiddir"); ADD_OPTION(MNT_NOSYMFOLLOW, "nosymfollow"); ADD_OPTION(MNT_NOATIME, "noatime"); #undef ADD_OPTION /* a real Linux mtab will also show NFS options */ sbuf_printf(sb, " 0 0\n"); } mtx_unlock(&mountlist_mtx); if (flep != NULL) free(flep, M_TEMP); return (error); } /* * Filler function for proc/stat */ static int linprocfs_dostat(PFS_FILL_ARGS) { int i; sbuf_printf(sb, "cpu %ld %ld %ld %ld\n", T2J(cp_time[CP_USER]), T2J(cp_time[CP_NICE]), T2J(cp_time[CP_SYS] /*+ cp_time[CP_INTR]*/), T2J(cp_time[CP_IDLE])); for (i = 0; i < mp_ncpus; ++i) sbuf_printf(sb, "cpu%d %ld %ld %ld %ld\n", i, T2J(cp_time[CP_USER]) / mp_ncpus, T2J(cp_time[CP_NICE]) / mp_ncpus, T2J(cp_time[CP_SYS]) / mp_ncpus, T2J(cp_time[CP_IDLE]) / mp_ncpus); sbuf_printf(sb, "disk 0 0 0 0\n" "page %u %u\n" "swap %u %u\n" "intr %u\n" "ctxt %u\n" "btime %lld\n", cnt.v_vnodepgsin, cnt.v_vnodepgsout, cnt.v_swappgsin, cnt.v_swappgsout, cnt.v_intr, cnt.v_swtch, (long long)boottime.tv_sec); return (0); } /* * Filler function for proc/uptime */ static int linprocfs_douptime(PFS_FILL_ARGS) { struct timeval tv; getmicrouptime(&tv); sbuf_printf(sb, "%lld.%02ld %ld.%02ld\n", (long long)tv.tv_sec, tv.tv_usec / 10000, T2S(cp_time[CP_IDLE]), T2J(cp_time[CP_IDLE]) % 100); return (0); } /* * Filler function for proc/version */ static int linprocfs_doversion(PFS_FILL_ARGS) { char osname[LINUX_MAX_UTSNAME]; char osrelease[LINUX_MAX_UTSNAME]; linux_get_osname(td, osname); linux_get_osrelease(td, osrelease); sbuf_printf(sb, "%s version %s (des@freebsd.org) (gcc version " __VERSION__ ")" " #4 Sun Dec 18 04:30:00 CET 1977\n", osname, osrelease); return (0); } /* * Filler function for proc/loadavg */ static int linprocfs_doloadavg(PFS_FILL_ARGS) { sbuf_printf(sb, "%d.%02d %d.%02d %d.%02d %d/%d %d\n", (int)(averunnable.ldavg[0] / averunnable.fscale), (int)(averunnable.ldavg[0] * 100 / averunnable.fscale % 100), (int)(averunnable.ldavg[1] / averunnable.fscale), (int)(averunnable.ldavg[1] * 100 / averunnable.fscale % 100), (int)(averunnable.ldavg[2] / averunnable.fscale), (int)(averunnable.ldavg[2] * 100 / averunnable.fscale % 100), 1, /* number of running tasks */ nprocs, /* number of tasks */ lastpid /* the last pid */ ); return (0); } /* * Filler function for proc/pid/stat */ static int linprocfs_doprocstat(PFS_FILL_ARGS) { struct kinfo_proc kp; PROC_LOCK(p); fill_kinfo_proc(p, &kp); sbuf_printf(sb, "%d", p->p_pid); #define PS_ADD(name, fmt, arg) sbuf_printf(sb, " " fmt, arg) PS_ADD("comm", "(%s)", p->p_comm); PS_ADD("statr", "%c", '0'); /* XXX */ PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0); PS_ADD("pgrp", "%d", p->p_pgid); PS_ADD("session", "%d", p->p_session->s_sid); PROC_UNLOCK(p); PS_ADD("tty", "%d", 0); /* XXX */ PS_ADD("tpgid", "%d", 0); /* XXX */ PS_ADD("flags", "%u", 0); /* XXX */ PS_ADD("minflt", "%u", 0); /* XXX */ PS_ADD("cminflt", "%u", 0); /* XXX */ PS_ADD("majflt", "%u", 0); /* XXX */ PS_ADD("cminflt", "%u", 0); /* XXX */ PS_ADD("utime", "%d", 0); /* XXX */ PS_ADD("stime", "%d", 0); /* XXX */ PS_ADD("cutime", "%d", 0); /* XXX */ PS_ADD("cstime", "%d", 0); /* XXX */ PS_ADD("counter", "%d", 0); /* XXX */ PS_ADD("priority", "%d", 0); /* XXX */ PS_ADD("timeout", "%u", 0); /* XXX */ PS_ADD("itrealvalue", "%u", 0); /* XXX */ PS_ADD("starttime", "%d", 0); /* XXX */ PS_ADD("vsize", "%ju", (uintmax_t)kp.ki_size); PS_ADD("rss", "%ju", P2K((uintmax_t)kp.ki_rssize)); PS_ADD("rlim", "%u", 0); /* XXX */ PS_ADD("startcode", "%u", (unsigned)0); PS_ADD("endcode", "%u", 0); /* XXX */ PS_ADD("startstack", "%u", 0); /* XXX */ PS_ADD("esp", "%u", 0); /* XXX */ PS_ADD("eip", "%u", 0); /* XXX */ PS_ADD("signal", "%d", 0); /* XXX */ PS_ADD("blocked", "%d", 0); /* XXX */ PS_ADD("sigignore", "%d", 0); /* XXX */ PS_ADD("sigcatch", "%d", 0); /* XXX */ PS_ADD("wchan", "%u", 0); /* XXX */ PS_ADD("nswap", "%lu", (long unsigned)0); /* XXX */ PS_ADD("cnswap", "%lu", (long unsigned)0); /* XXX */ PS_ADD("exitsignal", "%d", 0); /* XXX */ PS_ADD("processor", "%d", 0); /* XXX */ #undef PS_ADD sbuf_putc(sb, '\n'); return (0); } /* * Filler function for proc/pid/statm */ static int linprocfs_doprocstatm(PFS_FILL_ARGS) { struct kinfo_proc kp; segsz_t lsize; PROC_LOCK(p); fill_kinfo_proc(p, &kp); PROC_UNLOCK(p); /* * See comments in linprocfs_doprocstatus() regarding the * computation of lsize. */ /* size resident share trs drs lrs dt */ sbuf_printf(sb, "%ju ", B2P((uintmax_t)kp.ki_size)); sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_rssize); sbuf_printf(sb, "%ju ", (uintmax_t)0); /* XXX */ sbuf_printf(sb, "%ju ", (uintmax_t)kp.ki_tsize); sbuf_printf(sb, "%ju ", (uintmax_t)(kp.ki_dsize + kp.ki_ssize)); lsize = B2P(kp.ki_size) - kp.ki_dsize - kp.ki_ssize - kp.ki_tsize - 1; sbuf_printf(sb, "%ju ", (uintmax_t)lsize); sbuf_printf(sb, "%ju\n", (uintmax_t)0); /* XXX */ return (0); } /* * Filler function for proc/pid/status */ static int linprocfs_doprocstatus(PFS_FILL_ARGS) { struct kinfo_proc kp; char *state; segsz_t lsize; struct thread *td2; struct sigacts *ps; int i; PROC_LOCK(p); td2 = FIRST_THREAD_IN_PROC(p); /* XXXKSE pretend only one thread */ if (P_SHOULDSTOP(p)) { state = "T (stopped)"; } else { mtx_lock_spin(&sched_lock); switch(p->p_state) { case PRS_NEW: state = "I (idle)"; break; case PRS_NORMAL: if (p->p_flag & P_WEXIT) { state = "X (exiting)"; break; } switch(td2->td_state) { case TDS_INHIBITED: state = "S (sleeping)"; break; case TDS_RUNQ: case TDS_RUNNING: state = "R (running)"; break; default: state = "? (unknown)"; break; } break; case PRS_ZOMBIE: state = "Z (zombie)"; break; default: state = "? (unknown)"; break; } mtx_unlock_spin(&sched_lock); } fill_kinfo_proc(p, &kp); sbuf_printf(sb, "Name:\t%s\n", p->p_comm); /* XXX escape */ sbuf_printf(sb, "State:\t%s\n", state); /* * Credentials */ sbuf_printf(sb, "Pid:\t%d\n", p->p_pid); sbuf_printf(sb, "PPid:\t%d\n", p->p_pptr ? p->p_pptr->p_pid : 0); sbuf_printf(sb, "Uid:\t%d %d %d %d\n", p->p_ucred->cr_ruid, p->p_ucred->cr_uid, p->p_ucred->cr_svuid, /* FreeBSD doesn't have fsuid */ p->p_ucred->cr_uid); sbuf_printf(sb, "Gid:\t%d %d %d %d\n", p->p_ucred->cr_rgid, p->p_ucred->cr_gid, p->p_ucred->cr_svgid, /* FreeBSD doesn't have fsgid */ p->p_ucred->cr_gid); sbuf_cat(sb, "Groups:\t"); for (i = 0; i < p->p_ucred->cr_ngroups; i++) sbuf_printf(sb, "%d ", p->p_ucred->cr_groups[i]); PROC_UNLOCK(p); sbuf_putc(sb, '\n'); /* * Memory * * While our approximation of VmLib may not be accurate (I * don't know of a simple way to verify it, and I'm not sure * it has much meaning anyway), I believe it's good enough. * * The same code that could (I think) accurately compute VmLib * could also compute VmLck, but I don't really care enough to * implement it. Submissions are welcome. */ sbuf_printf(sb, "VmSize:\t%8ju kB\n", B2K((uintmax_t)kp.ki_size)); sbuf_printf(sb, "VmLck:\t%8u kB\n", P2K(0)); /* XXX */ sbuf_printf(sb, "VmRss:\t%8ju kB\n", P2K((uintmax_t)kp.ki_rssize)); sbuf_printf(sb, "VmData:\t%8ju kB\n", P2K((uintmax_t)kp.ki_dsize)); sbuf_printf(sb, "VmStk:\t%8ju kB\n", P2K((uintmax_t)kp.ki_ssize)); sbuf_printf(sb, "VmExe:\t%8ju kB\n", P2K((uintmax_t)kp.ki_tsize)); lsize = B2P(kp.ki_size) - kp.ki_dsize - kp.ki_ssize - kp.ki_tsize - 1; sbuf_printf(sb, "VmLib:\t%8ju kB\n", P2K((uintmax_t)lsize)); /* * Signal masks * * We support up to 128 signals, while Linux supports 32, * but we only define 32 (the same 32 as Linux, to boot), so * just show the lower 32 bits of each mask. XXX hack. * * NB: on certain platforms (Sparc at least) Linux actually * supports 64 signals, but this code is a long way from * running on anything but i386, so ignore that for now. */ PROC_LOCK(p); sbuf_printf(sb, "SigPnd:\t%08x\n", p->p_siglist.__bits[0]); /* * I can't seem to find out where the signal mask is in * relation to struct proc, so SigBlk is left unimplemented. */ sbuf_printf(sb, "SigBlk:\t%08x\n", 0); /* XXX */ ps = p->p_sigacts; mtx_lock(&ps->ps_mtx); sbuf_printf(sb, "SigIgn:\t%08x\n", ps->ps_sigignore.__bits[0]); sbuf_printf(sb, "SigCgt:\t%08x\n", ps->ps_sigcatch.__bits[0]); mtx_unlock(&ps->ps_mtx); PROC_UNLOCK(p); /* * Linux also prints the capability masks, but we don't have * capabilities yet, and when we do get them they're likely to * be meaningless to Linux programs, so we lie. XXX */ sbuf_printf(sb, "CapInh:\t%016x\n", 0); sbuf_printf(sb, "CapPrm:\t%016x\n", 0); sbuf_printf(sb, "CapEff:\t%016x\n", 0); return (0); } /* * Filler function for proc/pid/cwd */ static int linprocfs_doproccwd(PFS_FILL_ARGS) { char *fullpath = "unknown"; char *freepath = NULL; vn_fullpath(td, p->p_fd->fd_cdir, &fullpath, &freepath); sbuf_printf(sb, "%s", fullpath); if (freepath) free(freepath, M_TEMP); return (0); } /* * Filler function for proc/pid/root */ static int linprocfs_doprocroot(PFS_FILL_ARGS) { struct vnode *rvp; char *fullpath = "unknown"; char *freepath = NULL; rvp = jailed(p->p_ucred) ? p->p_fd->fd_jdir : p->p_fd->fd_rdir; vn_fullpath(td, rvp, &fullpath, &freepath); sbuf_printf(sb, "%s", fullpath); if (freepath) free(freepath, M_TEMP); return (0); } /* * Filler function for proc/pid/cmdline */ static int linprocfs_doproccmdline(PFS_FILL_ARGS) { struct ps_strings pstr; char **ps_argvstr; int error, i; /* * If we are using the ps/cmdline caching, use that. Otherwise * revert back to the old way which only implements full cmdline * for the currept process and just p->p_comm for all other * processes. * Note that if the argv is no longer available, we deliberately * don't fall back on p->p_comm or return an error: the authentic * Linux behaviour is to return zero-length in this case. */ PROC_LOCK(p); if (p->p_args && p_cansee(td, p) == 0) { sbuf_bcpy(sb, p->p_args->ar_args, p->p_args->ar_length); PROC_UNLOCK(p); } else if (p != td->td_proc) { PROC_UNLOCK(p); sbuf_printf(sb, "%.*s", MAXCOMLEN, p->p_comm); } else { PROC_UNLOCK(p); error = copyin((void *)p->p_sysent->sv_psstrings, &pstr, sizeof(pstr)); if (error) return (error); if (pstr.ps_nargvstr > ARG_MAX) return (E2BIG); ps_argvstr = malloc(pstr.ps_nargvstr * sizeof(char *), M_TEMP, M_WAITOK); error = copyin((void *)pstr.ps_argvstr, ps_argvstr, pstr.ps_nargvstr * sizeof(char *)); if (error) { free(ps_argvstr, M_TEMP); return (error); } for (i = 0; i < pstr.ps_nargvstr; i++) { sbuf_copyin(sb, ps_argvstr[i], 0); sbuf_printf(sb, "%c", '\0'); } free(ps_argvstr, M_TEMP); } return (0); } /* * Filler function for proc/pid/environ */ static int linprocfs_doprocenviron(PFS_FILL_ARGS) { sbuf_printf(sb, "doprocenviron\n%c", '\0'); return (0); } /* * Filler function for proc/pid/maps */ static int linprocfs_doprocmaps(PFS_FILL_ARGS) { char mebuffer[512]; vm_map_t map = &p->p_vmspace->vm_map; vm_map_entry_t entry; vm_object_t obj, tobj, lobj; vm_ooffset_t off = 0; char *name = "", *freename = NULL; size_t len; ino_t ino; int ref_count, shadow_count, flags; int error; struct vnode *vp; struct vattr vat; PROC_LOCK(p); error = p_candebug(td, p); PROC_UNLOCK(p); if (error) return (error); if (uio->uio_rw != UIO_READ) return (EOPNOTSUPP); if (uio->uio_offset != 0) return (0); error = 0; if (map != &curthread->td_proc->p_vmspace->vm_map) vm_map_lock_read(map); for (entry = map->header.next; ((uio->uio_resid > 0) && (entry != &map->header)); entry = entry->next) { name = ""; freename = NULL; if (entry->eflags & MAP_ENTRY_IS_SUB_MAP) continue; obj = entry->object.vm_object; for (lobj = tobj = obj; tobj; tobj = tobj->backing_object) lobj = tobj; ino = 0; if (lobj) { vp = lobj->handle; VM_OBJECT_LOCK(lobj); off = IDX_TO_OFF(lobj->size); if (lobj->type == OBJT_VNODE && lobj->handle) { vn_fullpath(td, vp, &name, &freename); VOP_GETATTR(vp, &vat, td->td_ucred, td); ino = vat.va_fileid; } flags = obj->flags; ref_count = obj->ref_count; shadow_count = obj->shadow_count; VM_OBJECT_UNLOCK(lobj); } else { flags = 0; ref_count = 0; shadow_count = 0; } /* * format: * start, end, access, offset, major, minor, inode, name. */ snprintf(mebuffer, sizeof mebuffer, "%08lx-%08lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n", (u_long)entry->start, (u_long)entry->end, (entry->protection & VM_PROT_READ)?"r":"-", (entry->protection & VM_PROT_WRITE)?"w":"-", (entry->protection & VM_PROT_EXECUTE)?"x":"-", "p", (u_long)off, 0, 0, (u_long)ino, *name ? " " : "", name ); if (freename) free(freename, M_TEMP); len = strlen(mebuffer); if (len > uio->uio_resid) len = uio->uio_resid; /* * XXX We should probably return * EFBIG here, as in procfs. */ error = uiomove(mebuffer, len, uio); if (error) break; } if (map != &curthread->td_proc->p_vmspace->vm_map) vm_map_unlock_read(map); return (error); } /* * Filler function for proc/net/dev */ static int linprocfs_donetdev(PFS_FILL_ARGS) { char ifname[16]; /* XXX LINUX_IFNAMSIZ */ struct ifnet *ifp; sbuf_printf(sb, "%6s|%58s|%s\n%6s|%58s|%58s\n", "Inter-", " Receive", " Transmit", " face", "bytes packets errs drop fifo frame compressed", "bytes packets errs drop fifo frame compressed"); IFNET_RLOCK(); TAILQ_FOREACH(ifp, &ifnet, if_link) { linux_ifname(ifp, ifname, sizeof ifname); sbuf_printf(sb, "%6.6s:", ifname); sbuf_printf(sb, "%8lu %7lu %4lu %4lu %4lu %5lu %10lu %9lu ", 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL); sbuf_printf(sb, "%8lu %7lu %4lu %4lu %4lu %5lu %7lu %10lu\n", 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL); } IFNET_RUNLOCK(); return (0); } #if 0 extern struct cdevsw *cdevsw[]; /* * Filler function for proc/devices */ static int linprocfs_dodevices(PFS_FILL_ARGS) { int i; sbuf_printf(sb, "Character devices:\n"); for (i = 0; i < NUMCDEVSW; i++) if (cdevsw[i] != NULL) sbuf_printf(sb, "%3d %s\n", i, cdevsw[i]->d_name); sbuf_printf(sb, "\nBlock devices:\n"); return (0); } #endif /* * Filler function for proc/cmdline */ static int linprocfs_docmdline(PFS_FILL_ARGS) { sbuf_printf(sb, "BOOT_IMAGE=%s", kernelname); sbuf_printf(sb, " ro root=302\n"); return (0); } #if 0 /* * Filler function for proc/modules */ static int linprocfs_domodules(PFS_FILL_ARGS) { struct linker_file *lf; TAILQ_FOREACH(lf, &linker_files, link) { sbuf_printf(sb, "%-20s%8lu%4d\n", lf->filename, (unsigned long)lf->size, lf->refs); } return (0); } #endif /* * Constructor */ static int linprocfs_init(PFS_INIT_ARGS) { struct pfs_node *root; struct pfs_node *dir; root = pi->pi_root; /* /proc/... */ pfs_create_file(root, "cmdline", &linprocfs_docmdline, NULL, NULL, PFS_RD); pfs_create_file(root, "cpuinfo", &linprocfs_docpuinfo, NULL, NULL, PFS_RD); #if 0 pfs_create_file(root, "devices", &linprocfs_dodevices, NULL, NULL, PFS_RD); #endif pfs_create_file(root, "loadavg", &linprocfs_doloadavg, NULL, NULL, PFS_RD); pfs_create_file(root, "meminfo", &linprocfs_domeminfo, NULL, NULL, PFS_RD); #if 0 pfs_create_file(root, "modules", &linprocfs_domodules, NULL, NULL, PFS_RD); #endif pfs_create_file(root, "mtab", &linprocfs_domtab, NULL, NULL, PFS_RD); pfs_create_link(root, "self", &procfs_docurproc, NULL, NULL, 0); pfs_create_file(root, "stat", &linprocfs_dostat, NULL, NULL, PFS_RD); pfs_create_file(root, "uptime", &linprocfs_douptime, NULL, NULL, PFS_RD); pfs_create_file(root, "version", &linprocfs_doversion, NULL, NULL, PFS_RD); /* /proc/net/... */ dir = pfs_create_dir(root, "net", NULL, NULL, 0); pfs_create_file(dir, "dev", &linprocfs_donetdev, NULL, NULL, PFS_RD); /* /proc//... */ dir = pfs_create_dir(root, "pid", NULL, NULL, PFS_PROCDEP); pfs_create_file(dir, "cmdline", &linprocfs_doproccmdline, NULL, NULL, PFS_RD); pfs_create_link(dir, "cwd", &linprocfs_doproccwd, NULL, NULL, 0); pfs_create_file(dir, "environ", &linprocfs_doprocenviron, NULL, NULL, PFS_RD); pfs_create_link(dir, "exe", &procfs_doprocfile, NULL, &procfs_notsystem, 0); pfs_create_file(dir, "maps", &linprocfs_doprocmaps, NULL, NULL, PFS_RD); pfs_create_file(dir, "mem", &procfs_doprocmem, &procfs_attr, &procfs_candebug, PFS_RDWR|PFS_RAW); pfs_create_link(dir, "root", &linprocfs_doprocroot, NULL, NULL, 0); pfs_create_file(dir, "stat", &linprocfs_doprocstat, NULL, NULL, PFS_RD); pfs_create_file(dir, "statm", &linprocfs_doprocstatm, NULL, NULL, PFS_RD); pfs_create_file(dir, "status", &linprocfs_doprocstatus, NULL, NULL, PFS_RD); return (0); } /* * Destructor */ static int linprocfs_uninit(PFS_INIT_ARGS) { /* nothing to do, pseudofs will GC */ return (0); } PSEUDOFS(linprocfs, 1); MODULE_DEPEND(linprocfs, linux, 1, 1, 1); MODULE_DEPEND(linprocfs, procfs, 1, 1, 1); Index: head/sys/sys/mount.h =================================================================== --- head/sys/sys/mount.h (revision 152911) +++ head/sys/sys/mount.h (revision 152912) @@ -1,686 +1,685 @@ /*- * Copyright (c) 1989, 1991, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)mount.h 8.21 (Berkeley) 5/20/95 * $FreeBSD$ */ #ifndef _SYS_MOUNT_H_ #define _SYS_MOUNT_H_ #include #include #ifdef _KERNEL #include #include #include #endif typedef struct fsid { int32_t val[2]; } fsid_t; /* filesystem id type */ /* * File identifier. * These are unique per filesystem on a single machine. */ #define MAXFIDSZ 16 struct fid { u_short fid_len; /* length of data in bytes */ u_short fid_reserved; /* force longword alignment */ char fid_data[MAXFIDSZ]; /* data (variable length) */ }; /* * filesystem statistics */ #define MFSNAMELEN 16 /* length of type name including null */ #define MNAMELEN 88 /* size of on/from name bufs */ #define STATFS_VERSION 0x20030518 /* current version number */ struct statfs { uint32_t f_version; /* structure version number */ uint32_t f_type; /* type of filesystem */ uint64_t f_flags; /* copy of mount exported flags */ uint64_t f_bsize; /* filesystem fragment size */ uint64_t f_iosize; /* optimal transfer block size */ uint64_t f_blocks; /* total data blocks in filesystem */ uint64_t f_bfree; /* free blocks in filesystem */ int64_t f_bavail; /* free blocks avail to non-superuser */ uint64_t f_files; /* total file nodes in filesystem */ int64_t f_ffree; /* free nodes avail to non-superuser */ uint64_t f_syncwrites; /* count of sync writes since mount */ uint64_t f_asyncwrites; /* count of async writes since mount */ uint64_t f_syncreads; /* count of sync reads since mount */ uint64_t f_asyncreads; /* count of async reads since mount */ uint64_t f_spare[10]; /* unused spare */ uint32_t f_namemax; /* maximum filename length */ uid_t f_owner; /* user that mounted the filesystem */ fsid_t f_fsid; /* filesystem id */ char f_charspare[80]; /* spare string space */ char f_fstypename[MFSNAMELEN]; /* filesystem type name */ char f_mntfromname[MNAMELEN]; /* mounted filesystem */ char f_mntonname[MNAMELEN]; /* directory on which mounted */ }; #ifdef _KERNEL #define OMFSNAMELEN 16 /* length of fs type name, including null */ #define OMNAMELEN (88 - 2 * sizeof(long)) /* size of on/from name bufs */ /* XXX getfsstat.2 is out of date with write and read counter changes here. */ /* XXX statfs.2 is out of date with read counter changes here. */ struct ostatfs { long f_spare2; /* placeholder */ long f_bsize; /* fundamental filesystem block size */ long f_iosize; /* optimal transfer block size */ long f_blocks; /* total data blocks in filesystem */ long f_bfree; /* free blocks in fs */ long f_bavail; /* free blocks avail to non-superuser */ long f_files; /* total file nodes in filesystem */ long f_ffree; /* free file nodes in fs */ fsid_t f_fsid; /* filesystem id */ uid_t f_owner; /* user that mounted the filesystem */ int f_type; /* type of filesystem */ int f_flags; /* copy of mount exported flags */ long f_syncwrites; /* count of sync writes since mount */ long f_asyncwrites; /* count of async writes since mount */ char f_fstypename[OMFSNAMELEN]; /* fs type name */ char f_mntonname[OMNAMELEN]; /* directory on which mounted */ long f_syncreads; /* count of sync reads since mount */ long f_asyncreads; /* count of async reads since mount */ short f_spares1; /* unused spare */ char f_mntfromname[OMNAMELEN];/* mounted filesystem */ short f_spares2; /* unused spare */ /* * XXX on machines where longs are aligned to 8-byte boundaries, there * is an unnamed int32_t here. This spare was after the apparent end * of the struct until we bit off the read counters from f_mntonname. */ long f_spare[2]; /* unused spare */ }; #define MMAXOPTIONLEN 65536 /* maximum length of a mount option */ TAILQ_HEAD(vnodelst, vnode); struct vfsoptlist; struct vfsopt; /* * Structure per mounted filesystem. Each mounted filesystem has an * array of operations and an instance record. The filesystems are * put on a doubly linked list. * */ struct mount { TAILQ_ENTRY(mount) mnt_list; /* mount list */ struct vfsops *mnt_op; /* operations on fs */ struct vfsconf *mnt_vfc; /* configuration info */ struct vnode *mnt_vnodecovered; /* vnode we mounted on */ struct vnode *mnt_syncer; /* syncer vnode */ struct vnodelst mnt_nvnodelist; /* list of vnodes this mount */ struct lock mnt_lock; /* mount structure lock */ struct mtx mnt_mtx; /* mount structure interlock */ int mnt_writeopcount; /* write syscalls in progress */ u_int mnt_flag; /* flags shared with user */ struct vfsoptlist *mnt_opt; /* current mount options */ struct vfsoptlist *mnt_optnew; /* new options passed to fs */ int mnt_kern_flag; /* kernel only flags */ int mnt_maxsymlinklen; /* max size of short symlink */ struct statfs mnt_stat; /* cache of filesystem stats */ struct ucred *mnt_cred; /* credentials of mounter */ void * mnt_data; /* private data */ time_t mnt_time; /* last time written*/ int mnt_iosize_max; /* max size for clusters, etc */ struct netexport *mnt_export; /* export list */ struct label *mnt_mntlabel; /* MAC label for the mount */ struct label *mnt_fslabel; /* MAC label for the fs */ int mnt_nvnodelistsize; /* # of vnodes on this mount */ u_int mnt_hashseed; /* Random seed for vfs_hash */ }; struct vnode *__mnt_vnode_next(struct vnode **nvp, struct mount *mp); #define MNT_VNODE_FOREACH(vp, mp, vp2) \ for ((vp2) = TAILQ_FIRST(&(mp)->mnt_nvnodelist); \ (vp = __mnt_vnode_next(&(vp2), (mp))) != NULL;) #define MNT_ILOCK(mp) mtx_lock(&(mp)->mnt_mtx) #define MNT_IUNLOCK(mp) mtx_unlock(&(mp)->mnt_mtx) #define MNT_MTX(mp) (&(mp)->mnt_mtx) #endif /* _KERNEL */ /* * User specifiable flags. */ #define MNT_RDONLY 0x00000001 /* read only filesystem */ #define MNT_SYNCHRONOUS 0x00000002 /* filesystem written synchronously */ #define MNT_NOEXEC 0x00000004 /* can't exec from filesystem */ #define MNT_NOSUID 0x00000008 /* don't honor setuid bits on fs */ -#define MNT_NODEV 0 /* Deprecated option */ #define MNT_UNION 0x00000020 /* union with underlying filesystem */ #define MNT_ASYNC 0x00000040 /* filesystem written asynchronously */ #define MNT_SUIDDIR 0x00100000 /* special handling of SUID on dirs */ #define MNT_SOFTDEP 0x00200000 /* soft updates being done */ #define MNT_NOSYMFOLLOW 0x00400000 /* do not follow symlinks */ #define MNT_MULTILABEL 0x04000000 /* MAC support for individual objects */ #define MNT_ACLS 0x08000000 /* ACL support enabled */ #define MNT_NOATIME 0x10000000 /* disable update of file access time */ #define MNT_NOCLUSTERR 0x40000000 /* disable cluster read */ #define MNT_NOCLUSTERW 0x80000000 /* disable cluster write */ /* * NFS export related mount flags. */ #define MNT_EXRDONLY 0x00000080 /* exported read only */ #define MNT_EXPORTED 0x00000100 /* filesystem is exported */ #define MNT_DEFEXPORTED 0x00000200 /* exported to the world */ #define MNT_EXPORTANON 0x00000400 /* use anon uid mapping for everyone */ #define MNT_EXKERB 0x00000800 /* exported with Kerberos uid mapping */ #define MNT_EXPUBLIC 0x20000000 /* public export (WebNFS) */ /* * Flags set by internal operations, * but visible to the user. * XXX some of these are not quite right.. (I've never seen the root flag set) */ #define MNT_LOCAL 0x00001000 /* filesystem is stored locally */ #define MNT_QUOTA 0x00002000 /* quotas are enabled on filesystem */ #define MNT_ROOTFS 0x00004000 /* identifies the root filesystem */ #define MNT_USER 0x00008000 /* mounted by a user */ #define MNT_IGNORE 0x00800000 /* do not show entry in df */ /* * Mask of flags that are visible to statfs(). * XXX I think that this could now become (~(MNT_CMDFLAGS)) * but the 'mount' program may need changing to handle this. */ #define MNT_VISFLAGMASK (MNT_RDONLY | MNT_SYNCHRONOUS | MNT_NOEXEC | \ MNT_NOSUID | MNT_UNION | \ MNT_ASYNC | MNT_EXRDONLY | MNT_EXPORTED | \ MNT_DEFEXPORTED | MNT_EXPORTANON| MNT_EXKERB | \ MNT_LOCAL | MNT_USER | MNT_QUOTA | \ MNT_ROOTFS | MNT_NOATIME | MNT_NOCLUSTERR| \ MNT_NOCLUSTERW | MNT_SUIDDIR | MNT_SOFTDEP | \ MNT_IGNORE | MNT_EXPUBLIC | MNT_NOSYMFOLLOW | \ MNT_MULTILABEL | MNT_ACLS) /* Mask of flags that can be updated. */ #define MNT_UPDATEMASK (MNT_NOSUID | MNT_NOEXEC | \ MNT_SYNCHRONOUS | MNT_UNION | MNT_ASYNC | \ MNT_NOATIME | \ MNT_NOSYMFOLLOW | MNT_IGNORE | \ MNT_NOCLUSTERR | MNT_NOCLUSTERW | MNT_SUIDDIR | \ MNT_ACLS | MNT_USER) /* * External filesystem command modifier flags. * Unmount can use the MNT_FORCE flag. * XXX These are not STATES and really should be somewhere else. */ #define MNT_UPDATE 0x00010000 /* not a real mount, just an update */ #define MNT_DELEXPORT 0x00020000 /* delete export host lists */ #define MNT_RELOAD 0x00040000 /* reload filesystem data */ #define MNT_FORCE 0x00080000 /* force unmount or readonly change */ #define MNT_SNAPSHOT 0x01000000 /* snapshot the filesystem */ #define MNT_BYFSID 0x08000000 /* specify filesystem by ID. */ #define MNT_CMDFLAGS (MNT_UPDATE | MNT_DELEXPORT | MNT_RELOAD | \ MNT_FORCE | MNT_SNAPSHOT | MNT_BYFSID) /* * Still available. */ #define MNT_SPARE_0x02000000 0x02000000 /* * Internal filesystem control flags stored in mnt_kern_flag. * * MNTK_UNMOUNT locks the mount entry so that name lookup cannot proceed * past the mount point. This keeps the subtree stable during mounts * and unmounts. * * MNTK_UNMOUNTF permits filesystems to detect a forced unmount while * dounmount() is still waiting to lock the mountpoint. This allows * the filesystem to cancel operations that might otherwise deadlock * with the unmount attempt (used by NFS). */ #define MNTK_UNMOUNTF 0x00000001 /* forced unmount in progress */ #define MNTK_UNMOUNT 0x01000000 /* unmount in progress */ #define MNTK_MWAIT 0x02000000 /* waiting for unmount to finish */ #define MNTK_SUSPEND 0x08000000 /* request write suspension */ #define MNTK_SUSPENDED 0x10000000 /* write operations are suspended */ #define MNTK_MPSAFE 0x20000000 /* Filesystem is MPSAFE. */ #define MNTK_NOKNOTE 0x80000000 /* Don't send KNOTEs from VOP hooks */ /* * Sysctl CTL_VFS definitions. * * Second level identifier specifies which filesystem. Second level * identifier VFS_VFSCONF returns information about all filesystems. * Second level identifier VFS_GENERIC is non-terminal. */ #define VFS_VFSCONF 0 /* get configured filesystems */ #define VFS_GENERIC 0 /* generic filesystem information */ /* * Third level identifiers for VFS_GENERIC are given below; third * level identifiers for specific filesystems are given in their * mount specific header files. */ #define VFS_MAXTYPENUM 1 /* int: highest defined filesystem type */ #define VFS_CONF 2 /* struct: vfsconf for filesystem given as next argument */ /* * Flags for various system call interfaces. * * waitfor flags to vfs_sync() and getfsstat() */ #define MNT_WAIT 1 /* synchronously wait for I/O to complete */ #define MNT_NOWAIT 2 /* start all I/O, but do not wait for it */ #define MNT_LAZY 3 /* push data not written by filesystem syncer */ /* * Generic file handle */ struct fhandle { fsid_t fh_fsid; /* Filesystem id of mount point */ struct fid fh_fid; /* Filesys specific id */ }; typedef struct fhandle fhandle_t; /* * Export arguments for local filesystem mount calls. */ struct export_args { int ex_flags; /* export related flags */ uid_t ex_root; /* mapping for root uid */ struct xucred ex_anon; /* mapping for anonymous user */ struct sockaddr *ex_addr; /* net address to which exported */ u_char ex_addrlen; /* and the net address length */ struct sockaddr *ex_mask; /* mask of valid bits in saddr */ u_char ex_masklen; /* and the smask length */ char *ex_indexfile; /* index file for WebNFS URLs */ }; /* * Structure holding information for a publicly exported filesystem * (WebNFS). Currently the specs allow just for one such filesystem. */ struct nfs_public { int np_valid; /* Do we hold valid information */ fhandle_t np_handle; /* Filehandle for pub fs (internal) */ struct mount *np_mount; /* Mountpoint of exported fs */ char *np_index; /* Index file */ }; /* * Filesystem configuration information. One of these exists for each * type of filesystem supported by the kernel. These are searched at * mount time to identify the requested filesystem. * * XXX: Never change the first two arguments! */ struct vfsconf { u_int vfc_version; /* ABI version number */ char vfc_name[MFSNAMELEN]; /* filesystem type name */ struct vfsops *vfc_vfsops; /* filesystem operations vector */ int vfc_typenum; /* historic filesystem type number */ int vfc_refcount; /* number mounted of this type */ int vfc_flags; /* permanent flags */ struct vfsoptdecl *vfc_opts; /* mount options */ TAILQ_ENTRY(vfsconf) vfc_list; /* list of vfscons */ }; /* Userland version of the struct vfsconf. */ struct xvfsconf { struct vfsops *vfc_vfsops; /* filesystem operations vector */ char vfc_name[MFSNAMELEN]; /* filesystem type name */ int vfc_typenum; /* historic filesystem type number */ int vfc_refcount; /* number mounted of this type */ int vfc_flags; /* permanent flags */ struct vfsconf *vfc_next; /* next in list */ }; #ifndef BURN_BRIDGES struct ovfsconf { void *vfc_vfsops; char vfc_name[32]; int vfc_index; int vfc_refcount; int vfc_flags; }; #endif /* * NB: these flags refer to IMPLEMENTATION properties, not properties of * any actual mounts; i.e., it does not make sense to change the flags. */ #define VFCF_STATIC 0x00010000 /* statically compiled into kernel */ #define VFCF_NETWORK 0x00020000 /* may get data over the network */ #define VFCF_READONLY 0x00040000 /* writes are not implemented */ #define VFCF_SYNTHETIC 0x00080000 /* data does not represent real files */ #define VFCF_LOOPBACK 0x00100000 /* aliases some other mounted FS */ #define VFCF_UNICODE 0x00200000 /* stores file names as Unicode*/ typedef uint32_t fsctlop_t; struct vfsidctl { int vc_vers; /* should be VFSIDCTL_VERS1 (below) */ fsid_t vc_fsid; /* fsid to operate on. */ char vc_fstypename[MFSNAMELEN]; /* type of fs 'nfs' or '*' */ fsctlop_t vc_op; /* operation VFS_CTL_* (below) */ void *vc_ptr; /* pointer to data structure. */ size_t vc_len; /* sizeof said structure. */ u_int32_t vc_spare[12]; /* spare (must be zero). */ }; /* vfsidctl API version. */ #define VFS_CTL_VERS1 0x01 /* * New style VFS sysctls, do not reuse/conflict with the namespace for * private sysctls. * All "global" sysctl ops have the 33rd bit set: * 0x...1.... * Private sysctl ops should have the 33rd bit unset. */ #define VFS_CTL_QUERY 0x00010001 /* anything wrong? (vfsquery) */ #define VFS_CTL_TIMEO 0x00010002 /* set timeout for vfs notification */ #define VFS_CTL_NOLOCKS 0x00010003 /* disable file locking */ struct vfsquery { u_int32_t vq_flags; u_int32_t vq_spare[31]; }; /* vfsquery flags */ #define VQ_NOTRESP 0x0001 /* server down */ #define VQ_NEEDAUTH 0x0002 /* server bad auth */ #define VQ_LOWDISK 0x0004 /* we're low on space */ #define VQ_MOUNT 0x0008 /* new filesystem arrived */ #define VQ_UNMOUNT 0x0010 /* filesystem has left */ #define VQ_DEAD 0x0020 /* filesystem is dead, needs force unmount */ #define VQ_ASSIST 0x0040 /* filesystem needs assistance from external program */ #define VQ_NOTRESPLOCK 0x0080 /* server lockd down */ #define VQ_FLAG0100 0x0100 /* placeholder */ #define VQ_FLAG0200 0x0200 /* placeholder */ #define VQ_FLAG0400 0x0400 /* placeholder */ #define VQ_FLAG0800 0x0800 /* placeholder */ #define VQ_FLAG1000 0x1000 /* placeholder */ #define VQ_FLAG2000 0x2000 /* placeholder */ #define VQ_FLAG4000 0x4000 /* placeholder */ #define VQ_FLAG8000 0x8000 /* placeholder */ #ifdef _KERNEL /* Point a sysctl request at a vfsidctl's data. */ #define VCTLTOREQ(vc, req) \ do { \ (req)->newptr = (vc)->vc_ptr; \ (req)->newlen = (vc)->vc_len; \ (req)->newidx = 0; \ } while (0) #endif struct iovec; struct uio; #ifdef _KERNEL #ifdef MALLOC_DECLARE MALLOC_DECLARE(M_MOUNT); #endif extern int maxvfsconf; /* highest defined filesystem type */ extern int nfs_mount_type; /* vfc_typenum for nfs, or -1 */ TAILQ_HEAD(vfsconfhead, vfsconf); extern struct vfsconfhead vfsconf; /* * Operations supported on mounted filesystem. */ struct mount_args; struct nameidata; struct sysctl_req; struct mntarg; typedef int vfs_cmount_t(struct mntarg *ma, void *data, int flags, struct thread *td); typedef int vfs_unmount_t(struct mount *mp, int mntflags, struct thread *td); typedef int vfs_root_t(struct mount *mp, int flags, struct vnode **vpp, struct thread *td); typedef int vfs_quotactl_t(struct mount *mp, int cmds, uid_t uid, caddr_t arg, struct thread *td); typedef int vfs_statfs_t(struct mount *mp, struct statfs *sbp, struct thread *td); typedef int vfs_sync_t(struct mount *mp, int waitfor, struct thread *td); typedef int vfs_vget_t(struct mount *mp, ino_t ino, int flags, struct vnode **vpp); typedef int vfs_fhtovp_t(struct mount *mp, struct fid *fhp, struct vnode **vpp); typedef int vfs_checkexp_t(struct mount *mp, struct sockaddr *nam, int *extflagsp, struct ucred **credanonp); typedef int vfs_vptofh_t(struct vnode *vp, struct fid *fhp); typedef int vfs_init_t(struct vfsconf *); typedef int vfs_uninit_t(struct vfsconf *); typedef int vfs_extattrctl_t(struct mount *mp, int cmd, struct vnode *filename_vp, int attrnamespace, const char *attrname, struct thread *td); typedef int vfs_mount_t(struct mount *mp, struct thread *td); typedef int vfs_sysctl_t(struct mount *mp, fsctlop_t op, struct sysctl_req *req); struct vfsops { vfs_mount_t *vfs_mount; vfs_cmount_t *vfs_cmount; vfs_unmount_t *vfs_unmount; vfs_root_t *vfs_root; vfs_quotactl_t *vfs_quotactl; vfs_statfs_t *vfs_statfs; vfs_sync_t *vfs_sync; vfs_vget_t *vfs_vget; vfs_fhtovp_t *vfs_fhtovp; vfs_checkexp_t *vfs_checkexp; vfs_vptofh_t *vfs_vptofh; vfs_init_t *vfs_init; vfs_uninit_t *vfs_uninit; vfs_extattrctl_t *vfs_extattrctl; vfs_sysctl_t *vfs_sysctl; }; vfs_statfs_t __vfs_statfs; #define VFS_MOUNT(MP, P) (*(MP)->mnt_op->vfs_mount)(MP, P) #define VFS_UNMOUNT(MP, FORCE, P) (*(MP)->mnt_op->vfs_unmount)(MP, FORCE, P) #define VFS_ROOT(MP, FLAGS, VPP, P) \ (*(MP)->mnt_op->vfs_root)(MP, FLAGS, VPP, P) #define VFS_QUOTACTL(MP,C,U,A,P) (*(MP)->mnt_op->vfs_quotactl)(MP, C, U, A, P) #define VFS_STATFS(MP, SBP, P) __vfs_statfs((MP), (SBP), (P)) #define VFS_SYNC(MP, WAIT, P) (*(MP)->mnt_op->vfs_sync)(MP, WAIT, P) #define VFS_VGET(MP, INO, FLAGS, VPP) \ (*(MP)->mnt_op->vfs_vget)(MP, INO, FLAGS, VPP) #define VFS_FHTOVP(MP, FIDP, VPP) \ (*(MP)->mnt_op->vfs_fhtovp)(MP, FIDP, VPP) #define VFS_VPTOFH(VP, FIDP) (*(VP)->v_mount->mnt_op->vfs_vptofh)(VP, FIDP) #define VFS_CHECKEXP(MP, NAM, EXFLG, CRED) \ (*(MP)->mnt_op->vfs_checkexp)(MP, NAM, EXFLG, CRED) #define VFS_EXTATTRCTL(MP, C, FN, NS, N, P) \ (*(MP)->mnt_op->vfs_extattrctl)(MP, C, FN, NS, N, P) #define VFS_SYSCTL(MP, OP, REQ) \ (*(MP)->mnt_op->vfs_sysctl)(MP, OP, REQ) extern int mpsafe_vfs; #define VFS_NEEDSGIANT(MP) \ (!mpsafe_vfs || ((MP) != NULL && ((MP)->mnt_kern_flag & MNTK_MPSAFE) == 0)) #define VFS_LOCK_GIANT(MP) __extension__ \ ({ \ int _locked; \ if (VFS_NEEDSGIANT((MP))) { \ mtx_lock(&Giant); \ _locked = 1; \ } else \ _locked = 0; \ _locked; \ }) #define VFS_UNLOCK_GIANT(locked) if ((locked)) mtx_unlock(&Giant); #define VFS_ASSERT_GIANT(MP) do \ { \ if (VFS_NEEDSGIANT((MP))) \ mtx_assert(&Giant, MA_OWNED); \ } while (0) #define VFS_KNOTE_LOCKED(vp, hint) do \ { \ if (((vp)->v_vflag & VV_NOKNOTE) == 0) \ VN_KNOTE((vp), (hint), 1); \ } while (0) #define VFS_KNOTE_UNLOCKED(vp, hint) do \ { \ if (((vp)->v_vflag & VV_NOKNOTE) == 0) \ VN_KNOTE((vp), (hint), 0); \ } while (0) #include /* * Version numbers. */ #define VFS_VERSION_00 0x19660120 #define VFS_VERSION VFS_VERSION_00 #define VFS_SET(vfsops, fsname, flags) \ static struct vfsconf fsname ## _vfsconf = { \ .vfc_version = VFS_VERSION, \ .vfc_name = #fsname, \ .vfc_vfsops = &vfsops, \ .vfc_typenum = -1, \ .vfc_flags = flags, \ }; \ static moduledata_t fsname ## _mod = { \ #fsname, \ vfs_modevent, \ & fsname ## _vfsconf \ }; \ DECLARE_MODULE(fsname, fsname ## _mod, SI_SUB_VFS, SI_ORDER_MIDDLE) extern char *mountrootfsname; /* * exported vnode operations */ int dounmount(struct mount *, int, struct thread *); int kernel_mount(struct mntarg *ma, int flags); int kernel_vmount(int flags, ...); struct mntarg *mount_arg(struct mntarg *ma, const char *name, const void *val, int len); struct mntarg *mount_argb(struct mntarg *ma, int flag, const char *name); struct mntarg *mount_argf(struct mntarg *ma, const char *name, const char *fmt, ...); struct mntarg *mount_argsu(struct mntarg *ma, const char *name, const void *val, int len); struct vfsconf *vfs_byname(const char *); struct vfsconf *vfs_byname_kld(const char *, struct thread *td, int *); void vfs_event_signal(fsid_t *, u_int32_t, intptr_t); int vfs_flagopt(struct vfsoptlist *opts, const char *name, u_int *w, u_int val); int vfs_getopt(struct vfsoptlist *, const char *, void **, int *); char *vfs_getopts(struct vfsoptlist *, const char *, int *error); int vfs_copyopt(struct vfsoptlist *, const char *, void *, int); int vfs_filteropt(struct vfsoptlist *, const char **legal); int vfs_scanopt(struct vfsoptlist *opts, const char *name, const char *fmt, ...); int vfs_setpublicfs /* set publicly exported fs */ (struct mount *, struct netexport *, struct export_args *); int vfs_lock(struct mount *); /* lock a vfs */ void vfs_msync(struct mount *, int); void vfs_unlock(struct mount *); /* unlock a vfs */ int vfs_busy(struct mount *, int, struct mtx *, struct thread *); int vfs_export /* process mount export info */ (struct mount *, struct export_args *); int vfs_allocate_syncvnode(struct mount *); void vfs_getnewfsid(struct mount *); struct cdev *vfs_getrootfsid(struct mount *); struct mount *vfs_getvfs(fsid_t *); /* return vfs given fsid */ int vfs_modevent(module_t, int, void *); void vfs_mount_error(struct mount *, const char *, ...); void vfs_mountroot(void); /* mount our root filesystem */ void vfs_mountedfrom(struct mount *, const char *from); int vfs_suser(struct mount *, struct thread *); void vfs_unbusy(struct mount *, struct thread *); void vfs_unmountall(void); extern TAILQ_HEAD(mntlist, mount) mountlist; /* mounted filesystem list */ extern struct mtx mountlist_mtx; extern struct nfs_public nfs_pub; /* * Declarations for these vfs default operations are located in * kern/vfs_default.c, they should be used instead of making "dummy" * functions or casting entries in the VFS op table to "enopnotsupp()". */ vfs_root_t vfs_stdroot; vfs_quotactl_t vfs_stdquotactl; vfs_statfs_t vfs_stdstatfs; vfs_sync_t vfs_stdsync; vfs_sync_t vfs_stdnosync; vfs_vget_t vfs_stdvget; vfs_fhtovp_t vfs_stdfhtovp; vfs_checkexp_t vfs_stdcheckexp; vfs_vptofh_t vfs_stdvptofh; vfs_init_t vfs_stdinit; vfs_uninit_t vfs_stduninit; vfs_extattrctl_t vfs_stdextattrctl; vfs_sysctl_t vfs_stdsysctl; /* XXX - these should be indirect functions!!! */ int softdep_fsync(struct vnode *); int softdep_process_worklist(struct mount *); #else /* !_KERNEL */ #include struct stat; __BEGIN_DECLS int fhopen(const struct fhandle *, int); int fhstat(const struct fhandle *, struct stat *); int fhstatfs(const struct fhandle *, struct statfs *); int fstatfs(int, struct statfs *); int getfh(const char *, fhandle_t *); int getfsstat(struct statfs *, long, int); int getmntinfo(struct statfs **, int); int lgetfh(const char *, fhandle_t *); int mount(const char *, const char *, int, void *); int nmount(struct iovec *, unsigned int, int); int statfs(const char *, struct statfs *); int unmount(const char *, int); /* C library stuff */ int getvfsbyname(const char *, struct xvfsconf *); __END_DECLS #endif /* _KERNEL */ #endif /* !_SYS_MOUNT_H_ */