/* * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Mike Karels at Berkeley Software Design, Inc. * * 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. 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. * * @(#)sysctl.h 8.1 (Berkeley) 6/2/93 * $FreeBSD: head/sys/sys/sysctl.h 204170 2010-02-21 13:57:02Z ed $ */ #ifndef _SYS_SYSCTL_H_ #define _SYS_SYSCTL_H_ #ifndef _SYS_TYPES_H_ #include #endif #ifndef _SYS_QUEUE_H_ #include #endif /* * Definitions for sysctl call. The sysctl call uses a hierarchical name * for objects that can be examined or modified. The name is expressed as * a sequence of integers. Like a file path name, the meaning of each * component depends on its place in the hierarchy. The top-level and kern * identifiers are defined here, and other identifiers are defined in the * respective subsystem header files. */ #define CTL_MAXNAME 12 /* largest number of components supported */ /* * Each subsystem defined by sysctl defines a list of variables * for that subsystem. Each name is either a node with further * levels defined below it, or it is a leaf of some particular * type given below. Each sysctl level defines a set of name/type * pairs to be used by sysctl(1) in manipulating the subsystem. */ struct ctlname { char *ctl_name; /* subsystem name */ int ctl_type; /* type of name */ }; #define CTLTYPE 0x1f /* Mask for the type */ #define CTLTYPE_NODE 0x01 /* name is a node */ #define CTLTYPE_INT 0x02 /* name describes an integer */ #define CTLTYPE_STRING 0x03 /* name describes a string */ #define CTLTYPE_S64 0x04 /* name describes a signed 64-bit number */ #define CTLTYPE_QUAD CTLTYPE_S64 /* name describes a signed 64-bit number */ #define CTLTYPE_OPAQUE 0x05 /* name describes a structure */ #define CTLTYPE_STRUCT CTLTYPE_OPAQUE /* name describes a structure */ #define CTLTYPE_UINT 0x06 /* name describes an unsigned integer */ #define CTLTYPE_LONG 0x07 /* name describes a long */ #define CTLTYPE_ULONG 0x08 /* name describes an unsigned long */ #define CTLTYPE_U64 0x09 /* name describes an unsigned 64-bit number */ #define CTLTYPE_UQUAD CTLTYPE_U64 /* name describes an unsgn 64-bit number */ #define CTLTYPE_U8 0x0a /* name describes an unsigned 8-bit number */ #define CTLTYPE_U16 0x0b /* name describes an unsigned 16-bit number */ #define CTLTYPE_S8 0x0c /* name describes a signed 8-bit number */ #define CTLTYPE_S16 0x0d /* name describes a signed 16-bit number */ #define CTLTYPE_S32 0x0e /* name describes a signed 32-bit number */ #define CTLTYPE_U32 0x0f /* name describes an unsigned 32-bit number */ #define CTLTYPE_BIT32(n) (0x10 | ((n) << CTLSHIFT_BITFLD)) #define CTLTYPE_BIT64(n) (0x11 | ((n) << CTLSHIFT_BITFLD)) #define CTLFLAG_RD 0x80000000 /* Allow reads of variable */ #define CTLFLAG_WR 0x40000000 /* Allow writes to the variable */ #define CTLFLAG_RW (CTLFLAG_RD|CTLFLAG_WR) #define CTLFLAG_ANYBODY 0x10000000 /* All users can set this var */ #define CTLFLAG_SECURE 0x08000000 /* Permit set only if securelevel<=0 */ #define CTLFLAG_PRISON 0x04000000 /* Prisoned roots can fiddle */ #define CTLFLAG_DYN 0x02000000 /* Dynamic oid - can be freed */ #define CTLFLAG_SKIP 0x01000000 /* Skip this sysctl when listing */ #define CTLMASK_SECURE 0x00F00000 /* Secure level */ #define CTLFLAG_DYING 0x00010000 /* Oid is being removed */ #define CTLFLAG_SHLOCK 0x00008000 /* shlock on write (def is exlock) */ #define CTLFLAG_EXLOCK 0x00004000 /* exlock on read (def is shlock) */ #define CTLFLAG_NOLOCK 0x00002000 /* no lock required */ #define CTLFLAG_RSV12 0x00001000 #define CTLMASK_BITFLD 0x00000FC0 /* bitfield extension */ #define CTLFLAG_RSV5 0x00000020 #define CTLMASK_TYPE 0x0000001F /* type field */ #define CTLSHIFT_BITFLD 6 #define CTLINFO_MAXBITN 64 /* * USE THIS instead of a hardwired number from the categories below * to get dynamically assigned sysctl entries using the linker-set * technology. This is the way nearly all new sysctl variables should * be implemented. * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, ""); */ #define OID_AUTO (-1) #ifdef _KERNEL #include /* for DATA_SET */ #ifndef _SYS_LOCK_H_ #include #endif #define SYSCTL_HANDLER_ARGS struct sysctl_oid *oidp, void *arg1, int arg2, \ struct sysctl_req *req /* * This describes the access space for a sysctl request. This is needed * so that we can use the interface from the kernel or from user-space. */ struct sysctl_req { struct thread *td; /* used for access checking */ int lock; /* wiring state */ void *oldptr; size_t oldlen; size_t oldidx; int (*oldfunc)(struct sysctl_req *, const void *, size_t); void *newptr; size_t newlen; size_t newidx; int (*newfunc)(struct sysctl_req *, void *, size_t); size_t validlen; int flags; }; SLIST_HEAD(sysctl_oid_list, sysctl_oid); /* * This describes one "oid" in the MIB tree. Potentially more nodes can * be hidden behind it, expanded by the handler. */ struct sysctl_oid { struct sysctl_oid_list *oid_parent; SLIST_ENTRY(sysctl_oid) oid_link; int oid_number; int oid_kind; void *oid_arg1; int oid_arg2; const char *oid_name; int (*oid_handler)(SYSCTL_HANDLER_ARGS); const char *oid_fmt; int oid_refcnt; u_int oid_running; const char *oid_descr; struct lock oid_lock; /* per-node lock */ }; #define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l) #define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l) #define SYSCTL_OUT_STR(r, p) (r->oldfunc)(r, p, strlen(p) + 1) int sysctl_handle_8(SYSCTL_HANDLER_ARGS); int sysctl_handle_16(SYSCTL_HANDLER_ARGS); int sysctl_handle_32(SYSCTL_HANDLER_ARGS); int sysctl_handle_64(SYSCTL_HANDLER_ARGS); int sysctl_handle_int(SYSCTL_HANDLER_ARGS); int sysctl_handle_long(SYSCTL_HANDLER_ARGS); int sysctl_handle_quad(SYSCTL_HANDLER_ARGS); int sysctl_handle_bit32(SYSCTL_HANDLER_ARGS); int sysctl_handle_bit64(SYSCTL_HANDLER_ARGS); int sysctl_handle_intptr(SYSCTL_HANDLER_ARGS); int sysctl_handle_string(SYSCTL_HANDLER_ARGS); int sysctl_handle_opaque(SYSCTL_HANDLER_ARGS); extern struct lock sysctllock; #define SYSCTL_XLOCK() _sysctl_xlock() #define SYSCTL_XUNLOCK() _sysctl_xunlock() #define SYSCTL_SLOCK() lockmgr(&mycpu->gd_sysctllock, LK_SHARED) #define SYSCTL_SUNLOCK() lockmgr(&mycpu->gd_sysctllock, LK_RELEASE) #define SYSCTL_ASSERT_LOCKED() \ KKASSERT(lockstatus(&mycpu->gd_sysctllock, curthread) != 0) /* * These functions are used to add/remove an oid from the mib. */ void sysctl_register_oid(struct sysctl_oid *oidp); void sysctl_unregister_oid(struct sysctl_oid *oidp); /* Declare a static oid to allow child oids to be added to it. */ #define SYSCTL_DECL(name) \ extern struct sysctl_oid_list sysctl_##name##_children /* Hide these in macros */ #define SYSCTL_SET_CHILDREN(oid_ptr, children) do { \ (oid_ptr)->oid_arg1 = (children); \ } while(0) #define SYSCTL_CHILDREN(oid_ptr) (struct sysctl_oid_list *) \ (oid_ptr)->oid_arg1 #define SYSCTL_STATIC_CHILDREN(oid_name) \ (&sysctl_##oid_name##_children) /* === Structs and macros related to context handling === */ /* All dynamically created sysctls can be tracked in a context list. */ struct sysctl_ctx_entry { struct sysctl_oid *entry; TAILQ_ENTRY(sysctl_ctx_entry) link; }; TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_entry); #define SYSCTL_NODE_CHILDREN(parent, name) \ sysctl_##parent##_##name##_children #ifndef NO_SYSCTL_DESCR #define __DESCR(d) d #else #define __DESCR(d) "" #endif /* This constructs a "raw" MIB oid. */ #define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr)\ static struct sysctl_oid sysctl__##parent##_##name = { \ &sysctl_##parent##_children, \ { NULL }, \ nbr, \ kind, \ a1, \ a2, \ #name, \ handler, \ fmt, \ 0, \ 0, \ __DESCR(descr) \ }; \ DATA_SET(sysctl_set, sysctl__##parent##_##name) #define SYSCTL_ADD_OID(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr) \ sysctl_add_oid(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr); /* This constructs a node from which other oids can hang. */ #define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \ struct sysctl_oid_list SYSCTL_NODE_CHILDREN(parent, name); \ SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|(access), \ (void*)&SYSCTL_NODE_CHILDREN(parent, name), 0, handler, "N", descr) #define SYSCTL_ADD_NODE(ctx, parent, nbr, name, access, handler, descr) \ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_NODE|(access), \ 0, 0, handler, "N", descr) /* Oid for a string. len can be 0 to indicate '\0' termination. */ #define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \ SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|(access), \ arg, len, sysctl_handle_string, "A", descr) #define SYSCTL_ADD_STRING(ctx, parent, nbr, name, access, arg, len, descr) \ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_STRING|(access), \ arg, len, sysctl_handle_string, "A", descr) /* Oid for an int. If ptr is NULL, val is returned. */ #define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \ SYSCTL_OID(parent, nbr, name, \ CTLTYPE_INT|CTLFLAG_NOLOCK|(access), \ ptr, val, sysctl_handle_int, "I", descr) #define SYSCTL_ADD_INT(ctx, parent, nbr, name, access, ptr, val, descr) \ sysctl_add_oid(ctx, parent, nbr, name, \ CTLTYPE_INT|CTLFLAG_NOLOCK|(access), \ ptr, val, sysctl_handle_int, "I", descr) /* Oid for a quad. If ptr is NULL, val is returned. */ #define SYSCTL_QUAD(parent, nbr, name, access, ptr, val, descr) \ SYSCTL_OID(parent, nbr, name, \ CTLTYPE_QUAD|CTLFLAG_NOLOCK|(access), \ ptr, val, sysctl_handle_quad, "Q", descr) #define SYSCTL_ADD_QUAD(ctx, parent, nbr, name, access, ptr, val, descr) \ sysctl_add_oid(ctx, parent, nbr, name, \ CTLTYPE_QUAD|CTLFLAG_NOLOCK|(access), \ ptr, val, sysctl_handle_quad, "Q", descr) /* Oid for an unsigned quad. If ptr is NULL, val is returned. */ #define SYSCTL_UQUAD(parent, nbr, name, access, ptr, val, descr) \ SYSCTL_OID(parent, nbr, name, \ CTLTYPE_UQUAD|CTLFLAG_NOLOCK|(access), \ ptr, val, sysctl_handle_quad, "QU", descr) #define SYSCTL_ADD_UQUAD(ctx, parent, nbr, name, access, ptr, val, descr) \ sysctl_add_oid(ctx, parent, nbr, name, \ CTLTYPE_UQUAD|CTLFLAG_NOLOCK|(access), \ ptr, val, sysctl_handle_quad, "QU", descr) /* Oid for an unsigned int. If ptr is NULL, val is returned. */ #define SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) \ SYSCTL_OID(parent, nbr, name, \ CTLTYPE_UINT|CTLFLAG_NOLOCK|(access), \ ptr, val, sysctl_handle_int, "IU", descr) #define SYSCTL_ADD_UINT(ctx, parent, nbr, name, access, ptr, val, descr) \ sysctl_add_oid(ctx, parent, nbr, name, \ CTLTYPE_UINT|CTLFLAG_NOLOCK|(access), \ ptr, val, sysctl_handle_int, "IU", descr) /* Oid for a long. The pointer must be non NULL. */ #define SYSCTL_LONG(parent, nbr, name, access, ptr, val, descr) \ SYSCTL_OID(parent, nbr, name, \ CTLTYPE_LONG|CTLFLAG_NOLOCK|(access), \ ptr, val, sysctl_handle_long, "L", descr) #define SYSCTL_ADD_LONG(ctx, parent, nbr, name, access, ptr, descr) \ sysctl_add_oid(ctx, parent, nbr, name, \ CTLTYPE_LONG|CTLFLAG_NOLOCK|(access), \ ptr, 0, sysctl_handle_long, "L", descr) /* Oid for a long. The pointer must be non NULL. */ #define SYSCTL_ULONG(parent, nbr, name, access, ptr, val, descr) \ SYSCTL_OID(parent, nbr, name, \ CTLTYPE_ULONG|CTLFLAG_NOLOCK|(access), \ ptr, val, sysctl_handle_long, "LU", descr) #define SYSCTL_ADD_ULONG(ctx, parent, nbr, name, access, ptr, descr) \ sysctl_add_oid(ctx, parent, nbr, name, \ CTLTYPE_ULONG|CTLFLAG_NOLOCK|(access), \ ptr, 0, sysctl_handle_long, "LU", descr) /* Oid for a signed 8-bit int. The pointer must be non NULL. */ #define SYSCTL_S8(parent, nbr, name, access, ptr, val, descr) \ SYSCTL_OID(parent, nbr, name, CTLTYPE_S8|(access), \ ptr, val, sysctl_handle_8, "C", descr) #define SYSCTL_ADD_S8(ctx, parent, nbr, name, access, ptr, descr) \ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_S8|(access), \ ptr, 0, sysctl_handle_8, "C", descr) /* Oid for a signed 16-bit int. The pointer must be non NULL. */ #define SYSCTL_S16(parent, nbr, name, access, ptr, val, descr) \ SYSCTL_OID(parent, nbr, name, CTLTYPE_S16|(access), \ ptr, val, sysctl_handle_16, "S", descr) #define SYSCTL_ADD_S16(ctx, parent, nbr, name, access, ptr, descr) \ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_S16|(access), \ ptr, 0, sysctl_handle_16, "S", descr) /* Oid for a signed 32-bit int. The pointer must be non NULL. */ #define SYSCTL_S32(parent, nbr, name, access, ptr, val, descr) \ SYSCTL_OID(parent, nbr, name, CTLTYPE_S32|(access), \ ptr, val, sysctl_handle_32, "I", descr) #define SYSCTL_ADD_S32(ctx, parent, nbr, name, access, ptr, descr) \ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_S32|(access), \ ptr, 0, sysctl_handle_32, "I", descr) /* Oid for a signed 64-bit int. The pointer must be non NULL. */ #define SYSCTL_S64(parent, nbr, name, access, ptr, val, descr) \ SYSCTL_OID(parent, nbr, name, CTLTYPE_S64|(access), \ ptr, val, sysctl_handle_64, "Q", descr) #define SYSCTL_ADD_S64(ctx, parent, nbr, name, access, ptr, descr) \ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_S64|(access), \ ptr, 0, sysctl_handle_64, "Q", descr) /* Oid for an unsigned 8-bit int. The pointer must be non NULL. */ #define SYSCTL_U8(parent, nbr, name, access, ptr, val, descr) \ SYSCTL_OID(parent, nbr, name, CTLTYPE_U8|(access), \ ptr, val, sysctl_handle_8, "CU", descr) #define SYSCTL_ADD_U8(ctx, parent, nbr, name, access, ptr, descr) \ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_U8|(access), \ ptr, 0, sysctl_handle_8, "CU", descr) /* Oid for an unsigned 16-bit int. The pointer must be non NULL. */ #define SYSCTL_U16(parent, nbr, name, access, ptr, val, descr) \ SYSCTL_OID(parent, nbr, name, CTLTYPE_U16|(access), \ ptr, val, sysctl_handle_16, "SU", descr) #define SYSCTL_ADD_U16(ctx, parent, nbr, name, access, ptr, descr) \ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_U16|(access), \ ptr, 0, sysctl_handle_16, "SU", descr) /* Oid for an unsigned 32-bit int. The pointer must be non NULL. */ #define SYSCTL_U32(parent, nbr, name, access, ptr, val, descr) \ SYSCTL_OID(parent, nbr, name, CTLTYPE_U32|(access), \ ptr, val, sysctl_handle_32, "IU", descr) #define SYSCTL_ADD_U32(ctx, parent, nbr, name, access, ptr, descr) \ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_U32|(access), \ ptr, 0, sysctl_handle_32, "IU", descr) /* Oid for an unsigned 64-bit int. The pointer must be non NULL. */ #define SYSCTL_U64(parent, nbr, name, access, ptr, val, descr) \ SYSCTL_OID(parent, nbr, name, CTLTYPE_U64|(access), \ ptr, val, sysctl_handle_64, "QU", descr) #define SYSCTL_ADD_U64(ctx, parent, nbr, name, access, ptr, descr) \ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_U64|(access), \ ptr, 0, sysctl_handle_64, "QU", descr) /* Oid for a bit in a uint32_t. If ptr is NULL, val is returned. */ /* API passes and returns an integer */ #define SYSCTL_BIT32(parent, nbr, name, access, ptr, val, bit, descr) \ SYSCTL_OID(parent, nbr, name, \ CTLTYPE_BIT32(bit)|CTLFLAG_NOLOCK|(access), \ ptr, val, sysctl_handle_bit32, "I", descr) #define SYSCTL_ADD_BIT32(ctx, parent, nbr, name, access, ptr, val, bit, descr) \ sysctl_add_oid(ctx, parent, nbr, name, \ CTLTYPE_BIT32(bit)|CTLFLAG_NOLOCK|(access), \ ptr, val, sysctl_handle_bit32, "I", descr) /* Oid for a bit in a uint64_t. If ptr is NULL, val is returned. */ /* API passes and returns an integer */ #define SYSCTL_BIT64(parent, nbr, name, access, ptr, val, bit, descr) \ SYSCTL_OID(parent, nbr, name, \ CTLTYPE_BIT64(bit)|CTLFLAG_NOLOCK|(access), \ ptr, val, sysctl_handle_bit64, "I", descr) #define SYSCTL_ADD_BIT64(ctx, parent, nbr, name, access, ptr, val, bit, descr) \ sysctl_add_oid(ctx, parent, nbr, name, \ CTLTYPE_BIT64(bit)|CTLFLAG_NOLOCK|(access), \ ptr, val, sysctl_handle_bit64, "I", descr) /* Oid for an opaque object. Specified by a pointer and a length. */ #define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \ SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \ ptr, len, sysctl_handle_opaque, fmt, descr) #define SYSCTL_ADD_OPAQUE(ctx, parent, nbr, name, access, ptr, len, fmt, descr) \ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access), \ ptr, len, sysctl_handle_opaque, fmt, descr) /* Oid for a struct. Specified by a pointer and a type. */ #define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) \ SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \ ptr, sizeof(struct type), sysctl_handle_opaque, \ "S," #type, descr) #define SYSCTL_ADD_STRUCT(ctx, parent, nbr, name, access, ptr, type, descr) \ sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access), \ ptr, sizeof(struct type), sysctl_handle_opaque, "S," #type, descr) /* Oid for a procedure. Specified by a pointer and an arg. */ #define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \ SYSCTL_OID(parent, nbr, name, (access), \ ptr, arg, handler, fmt, descr) #define SYSCTL_ADD_PROC(ctx, parent, nbr, name, access, ptr, arg, handler, fmt, descr) \ sysctl_add_oid(ctx, parent, nbr, name, (access), \ ptr, arg, handler, fmt, descr) #endif /* _KERNEL */ /* * Top-level identifiers */ #define CTL_SYSCTL 0 /* "magic" numbers */ #define CTL_KERN 1 /* "high kernel": proc, limits */ #define CTL_VM 2 /* virtual memory */ #define CTL_VFS 3 /* file system, mount type is next */ #define CTL_NET 4 /* network, see socket.h */ #define CTL_DEBUG 5 /* debugging parameters */ #define CTL_HW 6 /* generic cpu/io */ #define CTL_MACHDEP 7 /* machine dependent */ #define CTL_USER 8 /* user-level */ #define CTL_P1003_1B 9 /* POSIX 1003.1B */ #define CTL_LWKT 10 /* light weight kernel threads */ #define CTL_MAXID 11 /* number of valid top-level ids */ #define CTL_NAMES { \ { 0, 0 }, \ { "kern", CTLTYPE_NODE }, \ { "vm", CTLTYPE_NODE }, \ { "vfs", CTLTYPE_NODE }, \ { "net", CTLTYPE_NODE }, \ { "debug", CTLTYPE_NODE }, \ { "hw", CTLTYPE_NODE }, \ { "machdep", CTLTYPE_NODE }, \ { "user", CTLTYPE_NODE }, \ { "p1003_1b", CTLTYPE_NODE }, \ { "lwkt", CTLTYPE_NODE }, \ } /* * CTL_SYSCTL identifiers */ #define CTL_SYSCTL_DEBUG 0 /* printf all nodes */ #define CTL_SYSCTL_NAME 1 /* string name of OID */ #define CTL_SYSCTL_NEXT 2 /* next OID */ #define CTL_SYSCTL_NAME2OID 3 /* int array of name */ #define CTL_SYSCTL_OIDFMT 4 /* OID's kind and format */ #define CTL_SYSCTL_OIDDESCR 5 /* OID's description */ /* * CTL_KERN identifiers */ #define KERN_OSTYPE 1 /* string: system version */ #define KERN_OSRELEASE 2 /* string: system release */ #define KERN_OSREV 3 /* int: system revision */ #define KERN_VERSION 4 /* string: compile time info */ #define KERN_MAXVNODES 5 /* int: max vnodes */ #define KERN_MAXPROC 6 /* int: max processes */ #define KERN_MAXFILES 7 /* int: max open files */ #define KERN_ARGMAX 8 /* int: max arguments to exec */ #define KERN_SECURELVL 9 /* int: system security level */ #define KERN_HOSTNAME 10 /* string: hostname */ #define KERN_HOSTID 11 /* int: host identifier */ #define KERN_CLOCKRATE 12 /* struct: struct clockrate */ #define KERN_VNODE 13 /* struct: vnode structures */ #define KERN_PROC 14 /* struct: process entries */ #define KERN_FILE 15 /* struct: file entries */ #define KERN_UNUSED16 16 /* was: node: kernel profiling info */ #define KERN_POSIX1 17 /* int: POSIX.1 version */ #define KERN_NGROUPS 18 /* int: # of supplemental group ids */ #define KERN_JOB_CONTROL 19 /* int: is job control available */ #define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */ #define KERN_BOOTTIME 21 /* struct: time kernel was booted */ #define KERN_NISDOMAINNAME 22 /* string: YP domain name */ #define KERN_UPDATEINTERVAL 23 /* int: update process sleep time */ #define KERN_OSRELDATE 24 /* int: OS release date */ #define KERN_NTP_PLL 25 /* node: NTP PLL control */ #define KERN_BOOTFILE 26 /* string: name of booted kernel */ #define KERN_MAXFILESPERPROC 27 /* int: max open files per proc */ #define KERN_MAXPROCPERUID 28 /* int: max processes per uid */ #define KERN_DUMPDEV 29 /* dev_t: device to dump on */ #define KERN_IPC 30 /* node: anything related to IPC */ #define KERN_DUMMY 31 /* unused */ #define KERN_PS_STRINGS 32 /* int: address of PS_STRINGS */ #define KERN_USRSTACK 33 /* int: address of USRSTACK */ #define KERN_LOGSIGEXIT 34 /* int: do we log sigexit procs? */ #define KERN_IOV_MAX 35 /* int: value of UIO_MAXIOV */ #define KERN_MAXPOSIXLOCKSPERUID 36 /* int: max POSIX locks per uid */ #define KERN_STATIC_TLS_EXTRA 37 /* int: extra tls space for rtld */ #define KERN_MAXID 38 /* number of valid kern ids */ #define CTL_KERN_NAMES { \ { 0, 0 }, \ { "ostype", CTLTYPE_STRING }, \ { "osrelease", CTLTYPE_STRING }, \ { "osrevision", CTLTYPE_INT }, \ { "version", CTLTYPE_STRING }, \ { "maxvnodes", CTLTYPE_INT }, \ { "maxproc", CTLTYPE_INT }, \ { "maxfiles", CTLTYPE_INT }, \ { "argmax", CTLTYPE_INT }, \ { "securelevel", CTLTYPE_INT }, \ { "hostname", CTLTYPE_STRING }, \ { "hostid", CTLTYPE_UINT }, \ { "clockrate", CTLTYPE_STRUCT }, \ { "vnode", CTLTYPE_STRUCT }, \ { "proc", CTLTYPE_STRUCT }, \ { "file", CTLTYPE_STRUCT }, \ { "profiling", CTLTYPE_NODE }, \ { "posix1version", CTLTYPE_INT }, \ { "ngroups", CTLTYPE_INT }, \ { "job_control", CTLTYPE_INT }, \ { "saved_ids", CTLTYPE_INT }, \ { "boottime", CTLTYPE_STRUCT }, \ { "nisdomainname", CTLTYPE_STRING }, \ { "update", CTLTYPE_INT }, \ { "osreldate", CTLTYPE_INT }, \ { "ntp_pll", CTLTYPE_NODE }, \ { "bootfile", CTLTYPE_STRING }, \ { "maxfilesperproc", CTLTYPE_INT }, \ { "maxprocperuid", CTLTYPE_INT }, \ { "dumpdev", CTLTYPE_STRUCT }, /* we lie; don't print as int */ \ { "ipc", CTLTYPE_NODE }, \ { "dummy", CTLTYPE_INT }, \ { "ps_strings", CTLTYPE_INT }, \ { "usrstack", CTLTYPE_INT }, \ { "logsigexit", CTLTYPE_INT }, \ { "iov_max", CTLTYPE_INT }, \ { "maxposixlocksperuid", CTLTYPE_INT }, \ } /* * CTL_VFS identifiers */ #define CTL_VFS_NAMES { \ { "vfsconf", CTLTYPE_STRUCT }, \ } /* * KERN_PROC subtypes */ #define KERN_PROC_ALL 0 /* everything */ #define KERN_PROC_PID 1 /* by process id */ #define KERN_PROC_PGRP 2 /* by process group id */ #define KERN_PROC_SESSION 3 /* by session of pid */ #define KERN_PROC_TTY 4 /* by controlling tty */ #define KERN_PROC_UID 5 /* by effective uid */ #define KERN_PROC_RUID 6 /* by real uid */ #define KERN_PROC_ARGS 7 /* get/set arguments/proctitle */ #define KERN_PROC_CWD 8 /* get cwd */ #define KERN_PROC_PATHNAME 9 /* path to executable */ #define KERN_PROC_SIGTRAMP 10 /* addr[2]: sigtramp addr range */ #define KERN_PROC_FLAGMASK 0xF0 #define KERN_PROC_FLAG_LWP 0x10 #define KERN_PROC_FLAG_LWKT 0x20 /* * KERN_IPC identifiers */ #define KIPC_MAXSOCKBUF 1 /* int: max size of a socket buffer */ #define KIPC_SOCKBUF_WASTE 2 /* int: wastage factor in sockbuf */ #define KIPC_SOMAXCONN 3 /* int: max length of connection q */ #define KIPC_MAX_LINKHDR 4 /* int: max length of link header */ #define KIPC_MAX_PROTOHDR 5 /* int: max length of network header */ #define KIPC_MAX_HDR 6 /* int: max total length of headers */ #define KIPC_MAX_DATALEN 7 /* int: max length of data? */ #define KIPC_MBSTAT 8 /* struct: mbuf usage statistics */ #define KIPC_NMBCLUSTERS 9 /* int: maximum mbuf clusters */ /* * CTL_HW identifiers */ #define HW_MACHINE 1 /* string: machine class */ #define HW_MODEL 2 /* string: specific machine model */ #define HW_NCPU 3 /* int: number of cpus */ #define HW_BYTEORDER 4 /* int: machine byte order */ #define HW_PHYSMEM 5 /* int: total memory */ #define HW_USERMEM 6 /* int: non-kernel memory */ #define HW_PAGESIZE 7 /* int: software page size */ #define HW_DISKNAMES 8 /* strings: disk drive names */ #define HW_DISKSTATS 9 /* struct: diskstats[] */ #define HW_FLOATINGPT 10 /* int: has HW floating point? */ #define HW_MACHINE_ARCH 11 /* string: machine architecture */ #define HW_MACHINE_PLATFORM 12 /* string: platform architecture */ #define HW_SENSORS 13 /* node: hardware sensors */ #define HW_MAXID 14 /* number of valid hw ids */ /* * CTL_USER definitions */ #define USER_CS_PATH 1 /* string: _CS_PATH */ #define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */ #define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */ #define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */ #define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */ #define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */ #define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */ #define USER_LINE_MAX 8 /* int: LINE_MAX */ #define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */ #define USER_POSIX2_VERSION 10 /* int: _POSIX2_VERSION */ #define USER_POSIX2_C_BIND 11 /* int: _POSIX2_C_BIND */ #define USER_POSIX2_C_DEV 12 /* int: _POSIX2_C_DEV */ #define USER_POSIX2_CHAR_TERM 13 /* int: _POSIX2_CHAR_TERM */ #define USER_POSIX2_FORT_DEV 14 /* int: _POSIX2_FORT_DEV */ #define USER_POSIX2_FORT_RUN 15 /* int: _POSIX2_FORT_RUN */ #define USER_POSIX2_LOCALEDEF 16 /* int: _POSIX2_LOCALEDEF */ #define USER_POSIX2_SW_DEV 17 /* int: _POSIX2_SW_DEV */ #define USER_POSIX2_UPE 18 /* int: _POSIX2_UPE */ #define USER_STREAM_MAX 19 /* int: _POSIX2_STREAM_MAX */ #define USER_TZNAME_MAX 20 /* int: _POSIX2_TZNAME_MAX */ #define USER_MAXID 21 /* number of valid user ids */ #define CTL_USER_NAMES { \ { 0, 0 }, \ { "cs_path", CTLTYPE_STRING }, \ { "bc_base_max", CTLTYPE_INT }, \ { "bc_dim_max", CTLTYPE_INT }, \ { "bc_scale_max", CTLTYPE_INT }, \ { "bc_string_max", CTLTYPE_INT }, \ { "coll_weights_max", CTLTYPE_INT }, \ { "expr_nest_max", CTLTYPE_INT }, \ { "line_max", CTLTYPE_INT }, \ { "re_dup_max", CTLTYPE_INT }, \ { "posix2_version", CTLTYPE_INT }, \ { "posix2_c_bind", CTLTYPE_INT }, \ { "posix2_c_dev", CTLTYPE_INT }, \ { "posix2_char_term", CTLTYPE_INT }, \ { "posix2_fort_dev", CTLTYPE_INT }, \ { "posix2_fort_run", CTLTYPE_INT }, \ { "posix2_localedef", CTLTYPE_INT }, \ { "posix2_sw_dev", CTLTYPE_INT }, \ { "posix2_upe", CTLTYPE_INT }, \ { "stream_max", CTLTYPE_INT }, \ { "tzname_max", CTLTYPE_INT }, \ } #define CTL_P1003_1B_ASYNCHRONOUS_IO 1 /* boolean */ #define CTL_P1003_1B_MAPPED_FILES 2 /* boolean */ #define CTL_P1003_1B_MEMLOCK 3 /* boolean */ #define CTL_P1003_1B_MEMLOCK_RANGE 4 /* boolean */ #define CTL_P1003_1B_MEMORY_PROTECTION 5 /* boolean */ #define CTL_P1003_1B_MESSAGE_PASSING 6 /* boolean */ #define CTL_P1003_1B_PRIORITIZED_IO 7 /* boolean */ #define CTL_P1003_1B_PRIORITY_SCHEDULING 8 /* boolean */ #define CTL_P1003_1B_REALTIME_SIGNALS 9 /* boolean */ #define CTL_P1003_1B_SEMAPHORES 10 /* boolean */ #define CTL_P1003_1B_FSYNC 11 /* boolean */ #define CTL_P1003_1B_SHARED_MEMORY_OBJECTS 12 /* boolean */ #define CTL_P1003_1B_SYNCHRONIZED_IO 13 /* boolean */ #define CTL_P1003_1B_TIMERS 14 /* boolean */ #define CTL_P1003_1B_AIO_LISTIO_MAX 15 /* int */ #define CTL_P1003_1B_AIO_MAX 16 /* int */ #define CTL_P1003_1B_AIO_PRIO_DELTA_MAX 17 /* int */ #define CTL_P1003_1B_DELAYTIMER_MAX 18 /* int */ #define CTL_P1003_1B_UNUSED19 19 /* int */ #define CTL_P1003_1B_PAGESIZE 20 /* int */ #define CTL_P1003_1B_RTSIG_MAX 21 /* int */ #define CTL_P1003_1B_SEM_NSEMS_MAX 22 /* int */ #define CTL_P1003_1B_UNUSED23 23 /* int */ #define CTL_P1003_1B_SIGQUEUE_MAX 24 /* int */ #define CTL_P1003_1B_TIMER_MAX 25 /* int */ #define CTL_P1003_1B_MAXID 26 #define CTL_P1003_1B_NAMES { \ { 0, 0 }, \ { "asynchronous_io", CTLTYPE_INT }, \ { "mapped_files", CTLTYPE_INT }, \ { "memlock", CTLTYPE_INT }, \ { "memlock_range", CTLTYPE_INT }, \ { "memory_protection", CTLTYPE_INT }, \ { "message_passing", CTLTYPE_INT }, \ { "prioritized_io", CTLTYPE_INT }, \ { "priority_scheduling", CTLTYPE_INT }, \ { "realtime_signals", CTLTYPE_INT }, \ { "semaphores", CTLTYPE_INT }, \ { "fsync", CTLTYPE_INT }, \ { "shared_memory_objects", CTLTYPE_INT }, \ { "synchronized_io", CTLTYPE_INT }, \ { "timers", CTLTYPE_INT }, \ { "aio_listio_max", CTLTYPE_INT }, \ { "aio_max", CTLTYPE_INT }, \ { "aio_prio_delta_max", CTLTYPE_INT }, \ { "delaytimer_max", CTLTYPE_INT }, \ { "unused1", CTLTYPE_INT }, \ { "pagesize", CTLTYPE_INT }, \ { "rtsig_max", CTLTYPE_INT }, \ { "nsems_max", CTLTYPE_INT }, \ { "sem_value_max", CTLTYPE_INT }, \ { "sigqueue_max", CTLTYPE_INT }, \ { "timer_max", CTLTYPE_INT }, \ } #ifdef _KERNEL /* * Declare some common oids. */ extern struct sysctl_oid_list sysctl__children; SYSCTL_DECL(_kern); SYSCTL_DECL(_sysctl); SYSCTL_DECL(_vm); SYSCTL_DECL(_vfs); SYSCTL_DECL(_net); SYSCTL_DECL(_debug); SYSCTL_DECL(_debug_sizeof); SYSCTL_DECL(_dev); SYSCTL_DECL(_hw); SYSCTL_DECL(_hw_bus); SYSCTL_DECL(_machdep); SYSCTL_DECL(_user); SYSCTL_DECL(_compat); SYSCTL_DECL(_lwkt); SYSCTL_DECL(_security); /* * Common second-level oids. */ SYSCTL_DECL(_kern_ipc); extern char machine[]; extern char osrelease[]; extern char ostype[]; extern char kern_ident[]; /* Dynamic oid handling */ struct sysctl_oid *sysctl_add_oid(struct sysctl_ctx_list *clist, struct sysctl_oid_list *parent, int nbr, const char *name, int kind, void *arg1, int arg2, int (*handler) (SYSCTL_HANDLER_ARGS), const char *fmt, const char *descr); void sysctl_rename_oid(struct sysctl_oid *oidp, const char *name); int sysctl_remove_name(struct sysctl_oid *parent, const char *name, int del, int recurse); int sysctl_remove_oid(struct sysctl_oid *oidp, int del, int recurse); int sysctl_ctx_init(struct sysctl_ctx_list *clist); int sysctl_ctx_free(struct sysctl_ctx_list *clist); struct sysctl_ctx_entry *sysctl_ctx_entry_add(struct sysctl_ctx_list *clist, struct sysctl_oid *oidp); struct sysctl_ctx_entry *sysctl_ctx_entry_find(struct sysctl_ctx_list *clist, struct sysctl_oid *oidp); int sysctl_ctx_entry_del(struct sysctl_ctx_list *clist, struct sysctl_oid *oidp); int kernel_sysctl(int *name, u_int namelen, void *old, size_t *oldlenp, void *new, size_t newlen, size_t *retval); int kernel_sysctlbyname(char *name, void *old, size_t *oldlenp, void *new, size_t newlen, size_t *retval); int userland_sysctl(int *name, u_int namelen, void *old, size_t *oldlenp, int inkernel, void *new, size_t newlen, size_t *retval); int sysctl_find_oid(int *name, u_int namelen, struct sysctl_oid **noid, int *nindx, struct sysctl_req *req); int sysctl_int_range(SYSCTL_HANDLER_ARGS, int low, int high); void _sysctl_xlock(void); void _sysctl_xunlock(void); struct sbuf; struct sbuf *sbuf_new_for_sysctl(struct sbuf *, char *, int, struct sysctl_req *); #endif /* _KERNEL */ #if !defined(_KERNEL) || defined(_KERNEL_VIRTUAL) #include __BEGIN_DECLS int sysctl(const int *, u_int, void *, size_t *, const void *, size_t); int sysctlbyname(const char *, void *, size_t *, const void *, size_t); int sysctlnametomib (const char *, int *, size_t *); __END_DECLS #endif /* _KERNEL && _KERNEL_VIRTUAL */ #endif /* !_SYS_SYSCTL_H_ */