1040 lines
42 KiB
C
1040 lines
42 KiB
C
/*-
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Mike Karels at Berkeley Software Design, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)sysctl.h 8.1 (Berkeley) 6/2/93
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* $FreeBSD$
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*/
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#ifndef _SYS_SYSCTL_H_
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#define _SYS_SYSCTL_H_
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#include <sys/queue.h>
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struct thread;
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/*
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* Definitions for sysctl call. The sysctl call uses a hierarchical name
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* for objects that can be examined or modified. The name is expressed as
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* a sequence of integers. Like a file path name, the meaning of each
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* component depends on its place in the hierarchy. The top-level and kern
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* identifiers are defined here, and other identifiers are defined in the
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* respective subsystem header files.
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*/
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#define CTL_MAXNAME 24 /* largest number of components supported */
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/*
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* Each subsystem defined by sysctl defines a list of variables
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* for that subsystem. Each name is either a node with further
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* levels defined below it, or it is a leaf of some particular
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* type given below. Each sysctl level defines a set of name/type
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* pairs to be used by sysctl(8) in manipulating the subsystem.
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*/
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struct ctlname {
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char *ctl_name; /* subsystem name */
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int ctl_type; /* type of name */
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};
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#define CTLTYPE 0xf /* mask for the type */
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#define CTLTYPE_NODE 1 /* name is a node */
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#define CTLTYPE_INT 2 /* name describes an integer */
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#define CTLTYPE_STRING 3 /* name describes a string */
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#define CTLTYPE_S64 4 /* name describes a signed 64-bit number */
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#define CTLTYPE_OPAQUE 5 /* name describes a structure */
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#define CTLTYPE_STRUCT CTLTYPE_OPAQUE /* name describes a structure */
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#define CTLTYPE_UINT 6 /* name describes an unsigned integer */
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#define CTLTYPE_LONG 7 /* name describes a long */
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#define CTLTYPE_ULONG 8 /* name describes an unsigned long */
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#define CTLTYPE_U64 9 /* name describes an unsigned 64-bit number */
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#define CTLTYPE_U8 0xa /* name describes an unsigned 8-bit number */
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#define CTLTYPE_U16 0xb /* name describes an unsigned 16-bit number */
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#define CTLTYPE_S8 0xc /* name describes a signed 8-bit number */
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#define CTLTYPE_S16 0xd /* name describes a signed 16-bit number */
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#define CTLTYPE_S32 0xe /* name describes a signed 32-bit number */
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#define CTLTYPE_U32 0xf /* name describes an unsigned 32-bit number */
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#define CTLFLAG_RD 0x80000000 /* Allow reads of variable */
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#define CTLFLAG_WR 0x40000000 /* Allow writes to the variable */
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#define CTLFLAG_RW (CTLFLAG_RD|CTLFLAG_WR)
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#define CTLFLAG_ANYBODY 0x10000000 /* All users can set this var */
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#define CTLFLAG_SECURE 0x08000000 /* Permit set only if securelevel<=0 */
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#define CTLFLAG_PRISON 0x04000000 /* Prisoned roots can fiddle */
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#define CTLFLAG_DYN 0x02000000 /* Dynamic oid - can be freed */
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#define CTLFLAG_SKIP 0x01000000 /* Skip this sysctl when listing */
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#define CTLMASK_SECURE 0x00F00000 /* Secure level */
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#define CTLFLAG_TUN 0x00080000 /* Default value is loaded from getenv() */
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#define CTLFLAG_RDTUN (CTLFLAG_RD|CTLFLAG_TUN)
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#define CTLFLAG_RWTUN (CTLFLAG_RW|CTLFLAG_TUN)
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#define CTLFLAG_MPSAFE 0x00040000 /* Handler is MP safe */
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#define CTLFLAG_VNET 0x00020000 /* Prisons with vnet can fiddle */
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#define CTLFLAG_DYING 0x00010000 /* Oid is being removed */
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#define CTLFLAG_CAPRD 0x00008000 /* Can be read in capability mode */
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#define CTLFLAG_CAPWR 0x00004000 /* Can be written in capability mode */
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#define CTLFLAG_STATS 0x00002000 /* Statistics, not a tuneable */
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#define CTLFLAG_NOFETCH 0x00001000 /* Don't fetch tunable from getenv() */
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#define CTLFLAG_CAPRW (CTLFLAG_CAPRD|CTLFLAG_CAPWR)
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/*
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* Secure level. Note that CTLFLAG_SECURE == CTLFLAG_SECURE1.
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*
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* Secure when the securelevel is raised to at least N.
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*/
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#define CTLSHIFT_SECURE 20
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#define CTLFLAG_SECURE1 (CTLFLAG_SECURE | (0 << CTLSHIFT_SECURE))
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#define CTLFLAG_SECURE2 (CTLFLAG_SECURE | (1 << CTLSHIFT_SECURE))
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#define CTLFLAG_SECURE3 (CTLFLAG_SECURE | (2 << CTLSHIFT_SECURE))
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/*
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* USE THIS instead of a hardwired number from the categories below
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* to get dynamically assigned sysctl entries using the linker-set
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* technology. This is the way nearly all new sysctl variables should
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* be implemented.
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* e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, "");
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*/
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#define OID_AUTO (-1)
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/*
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* The starting number for dynamically-assigned entries. WARNING!
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* ALL static sysctl entries should have numbers LESS than this!
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*/
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#define CTL_AUTO_START 0x100
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#ifdef _KERNEL
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#include <sys/linker_set.h>
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#ifdef KLD_MODULE
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/* XXX allow overspecification of type in external kernel modules */
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#define SYSCTL_CT_ASSERT_MASK CTLTYPE
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#else
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#define SYSCTL_CT_ASSERT_MASK 0
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#endif
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#define SYSCTL_HANDLER_ARGS struct sysctl_oid *oidp, void *arg1, \
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intmax_t arg2, struct sysctl_req *req
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/* definitions for sysctl_req 'lock' member */
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#define REQ_UNWIRED 1
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#define REQ_WIRED 2
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/* definitions for sysctl_req 'flags' member */
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#if defined(__amd64__) || defined(__powerpc64__) ||\
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(defined(__mips__) && defined(__mips_n64))
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#define SCTL_MASK32 1 /* 32 bit emulation */
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#endif
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/*
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* This describes the access space for a sysctl request. This is needed
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* so that we can use the interface from the kernel or from user-space.
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*/
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struct sysctl_req {
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struct thread *td; /* used for access checking */
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int lock; /* wiring state */
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void *oldptr;
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size_t oldlen;
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size_t oldidx;
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int (*oldfunc)(struct sysctl_req *, const void *, size_t);
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void *newptr;
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size_t newlen;
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size_t newidx;
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int (*newfunc)(struct sysctl_req *, void *, size_t);
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size_t validlen;
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int flags;
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};
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SLIST_HEAD(sysctl_oid_list, sysctl_oid);
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/*
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* This describes one "oid" in the MIB tree. Potentially more nodes can
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* be hidden behind it, expanded by the handler.
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*/
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struct sysctl_oid {
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struct sysctl_oid_list oid_children;
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struct sysctl_oid_list *oid_parent;
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SLIST_ENTRY(sysctl_oid) oid_link;
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int oid_number;
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u_int oid_kind;
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void *oid_arg1;
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intmax_t oid_arg2;
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const char *oid_name;
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int (*oid_handler)(SYSCTL_HANDLER_ARGS);
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const char *oid_fmt;
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int oid_refcnt;
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u_int oid_running;
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const char *oid_descr;
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};
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#define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l)
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#define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l)
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#define SYSCTL_OUT_STR(r, p) (r->oldfunc)(r, p, strlen(p) + 1)
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int sysctl_handle_bool(SYSCTL_HANDLER_ARGS);
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int sysctl_handle_8(SYSCTL_HANDLER_ARGS);
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int sysctl_handle_16(SYSCTL_HANDLER_ARGS);
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int sysctl_handle_32(SYSCTL_HANDLER_ARGS);
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int sysctl_handle_64(SYSCTL_HANDLER_ARGS);
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int sysctl_handle_int(SYSCTL_HANDLER_ARGS);
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int sysctl_msec_to_ticks(SYSCTL_HANDLER_ARGS);
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int sysctl_handle_long(SYSCTL_HANDLER_ARGS);
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int sysctl_handle_string(SYSCTL_HANDLER_ARGS);
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int sysctl_handle_opaque(SYSCTL_HANDLER_ARGS);
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int sysctl_handle_counter_u64(SYSCTL_HANDLER_ARGS);
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int sysctl_handle_counter_u64_array(SYSCTL_HANDLER_ARGS);
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int sysctl_handle_uma_zone_max(SYSCTL_HANDLER_ARGS);
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int sysctl_handle_uma_zone_cur(SYSCTL_HANDLER_ARGS);
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int sysctl_dpcpu_int(SYSCTL_HANDLER_ARGS);
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int sysctl_dpcpu_long(SYSCTL_HANDLER_ARGS);
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int sysctl_dpcpu_quad(SYSCTL_HANDLER_ARGS);
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/*
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* These functions are used to add/remove an oid from the mib.
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*/
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void sysctl_register_oid(struct sysctl_oid *oidp);
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void sysctl_unregister_oid(struct sysctl_oid *oidp);
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/* Declare a static oid to allow child oids to be added to it. */
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#define SYSCTL_DECL(name) \
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extern struct sysctl_oid sysctl__##name
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/* Hide these in macros. */
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#define SYSCTL_CHILDREN(oid_ptr) (&(oid_ptr)->oid_children)
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#define SYSCTL_PARENT(oid_ptr) \
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(((oid_ptr)->oid_parent != &sysctl__children) ? \
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__containerof((oid_ptr)->oid_parent, struct sysctl_oid, \
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oid_children) : (struct sysctl_oid *)NULL)
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#define SYSCTL_STATIC_CHILDREN(oid_name) (&sysctl__##oid_name.oid_children)
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/* === Structs and macros related to context handling. === */
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/* All dynamically created sysctls can be tracked in a context list. */
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struct sysctl_ctx_entry {
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struct sysctl_oid *entry;
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TAILQ_ENTRY(sysctl_ctx_entry) link;
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};
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TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_entry);
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#define SYSCTL_NODE_CHILDREN(parent, name) \
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sysctl__##parent##_##name.oid_children
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#ifndef NO_SYSCTL_DESCR
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#define __DESCR(d) d
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#else
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#define __DESCR(d) ""
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#endif
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/* This macro is only for internal use */
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#define SYSCTL_OID_RAW(id, parent_child_head, nbr, name, kind, a1, a2, handler, fmt, descr) \
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struct sysctl_oid id = { \
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.oid_parent = (parent_child_head), \
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.oid_children = SLIST_HEAD_INITIALIZER(&id.oid_children), \
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.oid_number = (nbr), \
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.oid_kind = (kind), \
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.oid_arg1 = (a1), \
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.oid_arg2 = (a2), \
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.oid_name = (name), \
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.oid_handler = (handler), \
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.oid_fmt = (fmt), \
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.oid_descr = __DESCR(descr) \
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}; \
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DATA_SET(sysctl_set, id)
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/* This constructs a static "raw" MIB oid. */
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#define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \
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static SYSCTL_OID_RAW(sysctl__##parent##_##name, \
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SYSCTL_CHILDREN(&sysctl__##parent), \
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nbr, #name, kind, a1, a2, handler, fmt, descr)
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/* This constructs a global "raw" MIB oid. */
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#define SYSCTL_OID_GLOBAL(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \
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SYSCTL_OID_RAW(sysctl__##parent##_##name, \
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SYSCTL_CHILDREN(&sysctl__##parent), \
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nbr, #name, kind, a1, a2, handler, fmt, descr)
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#define SYSCTL_ADD_OID(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr) \
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sysctl_add_oid(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, __DESCR(descr))
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/* This constructs a root node from which other nodes can hang. */
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#define SYSCTL_ROOT_NODE(nbr, name, access, handler, descr) \
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SYSCTL_OID_RAW(sysctl___##name, &sysctl__children, \
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nbr, #name, CTLTYPE_NODE|(access), NULL, 0, \
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handler, "N", descr); \
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CTASSERT(((access) & CTLTYPE) == 0 || \
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((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_NODE)
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/* This constructs a node from which other oids can hang. */
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#define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \
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SYSCTL_OID_GLOBAL(parent, nbr, name, CTLTYPE_NODE|(access), \
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NULL, 0, handler, "N", descr); \
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CTASSERT(((access) & CTLTYPE) == 0 || \
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((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_NODE)
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#define SYSCTL_ADD_NODE(ctx, parent, nbr, name, access, handler, descr) \
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({ \
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CTASSERT(((access) & CTLTYPE) == 0 || \
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((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_NODE); \
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sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_NODE|(access), \
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NULL, 0, handler, "N", __DESCR(descr)); \
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})
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#define SYSCTL_ADD_ROOT_NODE(ctx, nbr, name, access, handler, descr) \
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({ \
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CTASSERT(((access) & CTLTYPE) == 0 || \
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((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_NODE); \
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sysctl_add_oid(ctx, &sysctl__children, nbr, name, \
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CTLTYPE_NODE|(access), \
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NULL, 0, handler, "N", __DESCR(descr)); \
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})
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/* Oid for a string. len can be 0 to indicate '\0' termination. */
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#define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \
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SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|(access), \
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arg, len, sysctl_handle_string, "A", descr); \
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CTASSERT(((access) & CTLTYPE) == 0 || \
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((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_STRING)
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#define SYSCTL_ADD_STRING(ctx, parent, nbr, name, access, arg, len, descr) \
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({ \
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char *__arg = (arg); \
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CTASSERT(((access) & CTLTYPE) == 0 || \
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((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_STRING); \
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sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_STRING|(access), \
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__arg, len, sysctl_handle_string, "A", __DESCR(descr)); \
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})
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/* Oid for a bool. If ptr is NULL, val is returned. */
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#define SYSCTL_NULL_BOOL_PTR ((bool *)NULL)
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#define SYSCTL_BOOL(parent, nbr, name, access, ptr, val, descr) \
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SYSCTL_OID(parent, nbr, name, \
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CTLTYPE_U8 | CTLFLAG_MPSAFE | (access), \
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ptr, val, sysctl_handle_bool, "CU", descr); \
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CTASSERT(((access) & CTLTYPE) == 0 && \
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sizeof(bool) == sizeof(*(ptr)))
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#define SYSCTL_ADD_BOOL(ctx, parent, nbr, name, access, ptr, val, descr) \
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({ \
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bool *__ptr = (ptr); \
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CTASSERT(((access) & CTLTYPE) == 0); \
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sysctl_add_oid(ctx, parent, nbr, name, \
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CTLTYPE_U8 | CTLFLAG_MPSAFE | (access), \
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__ptr, val, sysctl_handle_bool, "CU", __DESCR(descr)); \
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})
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/* Oid for a signed 8-bit int. If ptr is NULL, val is returned. */
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#define SYSCTL_NULL_S8_PTR ((int8_t *)NULL)
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#define SYSCTL_S8(parent, nbr, name, access, ptr, val, descr) \
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SYSCTL_OID(parent, nbr, name, \
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CTLTYPE_S8 | CTLFLAG_MPSAFE | (access), \
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ptr, val, sysctl_handle_8, "C", descr); \
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CTASSERT((((access) & CTLTYPE) == 0 || \
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((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S8) && \
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sizeof(int8_t) == sizeof(*(ptr)))
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#define SYSCTL_ADD_S8(ctx, parent, nbr, name, access, ptr, val, descr) \
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({ \
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int8_t *__ptr = (ptr); \
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CTASSERT(((access) & CTLTYPE) == 0 || \
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((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S8); \
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sysctl_add_oid(ctx, parent, nbr, name, \
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CTLTYPE_S8 | CTLFLAG_MPSAFE | (access), \
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__ptr, val, sysctl_handle_8, "C", __DESCR(descr)); \
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})
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/* Oid for an unsigned 8-bit int. If ptr is NULL, val is returned. */
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#define SYSCTL_NULL_U8_PTR ((uint8_t *)NULL)
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#define SYSCTL_U8(parent, nbr, name, access, ptr, val, descr) \
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SYSCTL_OID(parent, nbr, name, \
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CTLTYPE_U8 | CTLFLAG_MPSAFE | (access), \
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ptr, val, sysctl_handle_8, "CU", descr); \
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CTASSERT((((access) & CTLTYPE) == 0 || \
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((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U8) && \
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sizeof(uint8_t) == sizeof(*(ptr)))
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#define SYSCTL_ADD_U8(ctx, parent, nbr, name, access, ptr, val, descr) \
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({ \
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uint8_t *__ptr = (ptr); \
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CTASSERT(((access) & CTLTYPE) == 0 || \
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((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U8); \
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sysctl_add_oid(ctx, parent, nbr, name, \
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CTLTYPE_U8 | CTLFLAG_MPSAFE | (access), \
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__ptr, val, sysctl_handle_8, "CU", __DESCR(descr)); \
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})
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/* Oid for a signed 16-bit int. If ptr is NULL, val is returned. */
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#define SYSCTL_NULL_S16_PTR ((int16_t *)NULL)
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#define SYSCTL_S16(parent, nbr, name, access, ptr, val, descr) \
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SYSCTL_OID(parent, nbr, name, \
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CTLTYPE_S16 | CTLFLAG_MPSAFE | (access), \
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ptr, val, sysctl_handle_16, "S", descr); \
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CTASSERT((((access) & CTLTYPE) == 0 || \
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((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S16) && \
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sizeof(int16_t) == sizeof(*(ptr)))
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#define SYSCTL_ADD_S16(ctx, parent, nbr, name, access, ptr, val, descr) \
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({ \
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int16_t *__ptr = (ptr); \
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CTASSERT(((access) & CTLTYPE) == 0 || \
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((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S16); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_S16 | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, val, sysctl_handle_16, "S", __DESCR(descr)); \
|
|
})
|
|
|
|
/* Oid for an unsigned 16-bit int. If ptr is NULL, val is returned. */
|
|
#define SYSCTL_NULL_U16_PTR ((uint16_t *)NULL)
|
|
#define SYSCTL_U16(parent, nbr, name, access, ptr, val, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_U16 | CTLFLAG_MPSAFE | (access), \
|
|
ptr, val, sysctl_handle_16, "SU", descr); \
|
|
CTASSERT((((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U16) && \
|
|
sizeof(uint16_t) == sizeof(*(ptr)))
|
|
|
|
#define SYSCTL_ADD_U16(ctx, parent, nbr, name, access, ptr, val, descr) \
|
|
({ \
|
|
uint16_t *__ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U16); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_U16 | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, val, sysctl_handle_16, "SU", __DESCR(descr)); \
|
|
})
|
|
|
|
/* Oid for a signed 32-bit int. If ptr is NULL, val is returned. */
|
|
#define SYSCTL_NULL_S32_PTR ((int32_t *)NULL)
|
|
#define SYSCTL_S32(parent, nbr, name, access, ptr, val, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_S32 | CTLFLAG_MPSAFE | (access), \
|
|
ptr, val, sysctl_handle_32, "I", descr); \
|
|
CTASSERT((((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S32) && \
|
|
sizeof(int32_t) == sizeof(*(ptr)))
|
|
|
|
#define SYSCTL_ADD_S32(ctx, parent, nbr, name, access, ptr, val, descr) \
|
|
({ \
|
|
int32_t *__ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S32); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_S32 | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, val, sysctl_handle_32, "I", __DESCR(descr)); \
|
|
})
|
|
|
|
/* Oid for an unsigned 32-bit int. If ptr is NULL, val is returned. */
|
|
#define SYSCTL_NULL_U32_PTR ((uint32_t *)NULL)
|
|
#define SYSCTL_U32(parent, nbr, name, access, ptr, val, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_U32 | CTLFLAG_MPSAFE | (access), \
|
|
ptr, val, sysctl_handle_32, "IU", descr); \
|
|
CTASSERT((((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U32) && \
|
|
sizeof(uint32_t) == sizeof(*(ptr)))
|
|
|
|
#define SYSCTL_ADD_U32(ctx, parent, nbr, name, access, ptr, val, descr) \
|
|
({ \
|
|
uint32_t *__ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U32); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_U32 | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, val, sysctl_handle_32, "IU", __DESCR(descr)); \
|
|
})
|
|
|
|
/* Oid for a signed 64-bit int. If ptr is NULL, val is returned. */
|
|
#define SYSCTL_NULL_S64_PTR ((int64_t *)NULL)
|
|
#define SYSCTL_S64(parent, nbr, name, access, ptr, val, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_S64 | CTLFLAG_MPSAFE | (access), \
|
|
ptr, val, sysctl_handle_64, "Q", descr); \
|
|
CTASSERT((((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S64) && \
|
|
sizeof(int64_t) == sizeof(*(ptr)))
|
|
|
|
#define SYSCTL_ADD_S64(ctx, parent, nbr, name, access, ptr, val, descr) \
|
|
({ \
|
|
int64_t *__ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S64); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_S64 | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, val, sysctl_handle_64, "Q", __DESCR(descr)); \
|
|
})
|
|
|
|
/* Oid for an unsigned 64-bit int. If ptr is NULL, val is returned. */
|
|
#define SYSCTL_NULL_U64_PTR ((uint64_t *)NULL)
|
|
#define SYSCTL_U64(parent, nbr, name, access, ptr, val, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_U64 | CTLFLAG_MPSAFE | (access), \
|
|
ptr, val, sysctl_handle_64, "QU", descr); \
|
|
CTASSERT((((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U64) && \
|
|
sizeof(uint64_t) == sizeof(*(ptr)))
|
|
|
|
#define SYSCTL_ADD_U64(ctx, parent, nbr, name, access, ptr, val, descr) \
|
|
({ \
|
|
uint64_t *__ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U64); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_U64 | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, val, sysctl_handle_64, "QU", __DESCR(descr)); \
|
|
})
|
|
|
|
/* Oid for an int. If ptr is SYSCTL_NULL_INT_PTR, val is returned. */
|
|
#define SYSCTL_NULL_INT_PTR ((int *)NULL)
|
|
#define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_INT | CTLFLAG_MPSAFE | (access), \
|
|
ptr, val, sysctl_handle_int, "I", descr); \
|
|
CTASSERT((((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_INT) && \
|
|
sizeof(int) == sizeof(*(ptr)))
|
|
|
|
#define SYSCTL_ADD_INT(ctx, parent, nbr, name, access, ptr, val, descr) \
|
|
({ \
|
|
int *__ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_INT); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_INT | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, val, sysctl_handle_int, "I", __DESCR(descr)); \
|
|
})
|
|
|
|
/* Oid for an unsigned int. If ptr is NULL, val is returned. */
|
|
#define SYSCTL_NULL_UINT_PTR ((unsigned *)NULL)
|
|
#define SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_UINT | CTLFLAG_MPSAFE | (access), \
|
|
ptr, val, sysctl_handle_int, "IU", descr); \
|
|
CTASSERT((((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_UINT) && \
|
|
sizeof(unsigned) == sizeof(*(ptr)))
|
|
|
|
#define SYSCTL_ADD_UINT(ctx, parent, nbr, name, access, ptr, val, descr) \
|
|
({ \
|
|
unsigned *__ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_UINT); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_UINT | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, val, sysctl_handle_int, "IU", __DESCR(descr)); \
|
|
})
|
|
|
|
/* Oid for a long. The pointer must be non NULL. */
|
|
#define SYSCTL_NULL_LONG_PTR ((long *)NULL)
|
|
#define SYSCTL_LONG(parent, nbr, name, access, ptr, val, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_LONG | CTLFLAG_MPSAFE | (access), \
|
|
ptr, val, sysctl_handle_long, "L", descr); \
|
|
CTASSERT((((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_LONG) && \
|
|
sizeof(long) == sizeof(*(ptr)))
|
|
|
|
#define SYSCTL_ADD_LONG(ctx, parent, nbr, name, access, ptr, descr) \
|
|
({ \
|
|
long *__ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_LONG); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_LONG | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, 0, sysctl_handle_long, "L", __DESCR(descr)); \
|
|
})
|
|
|
|
/* Oid for an unsigned long. The pointer must be non NULL. */
|
|
#define SYSCTL_NULL_ULONG_PTR ((unsigned long *)NULL)
|
|
#define SYSCTL_ULONG(parent, nbr, name, access, ptr, val, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_ULONG | CTLFLAG_MPSAFE | (access), \
|
|
ptr, val, sysctl_handle_long, "LU", descr); \
|
|
CTASSERT((((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_ULONG) && \
|
|
sizeof(unsigned long) == sizeof(*(ptr)))
|
|
|
|
#define SYSCTL_ADD_ULONG(ctx, parent, nbr, name, access, ptr, descr) \
|
|
({ \
|
|
unsigned long *__ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_ULONG); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_ULONG | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, 0, sysctl_handle_long, "LU", __DESCR(descr)); \
|
|
})
|
|
|
|
/* Oid for a quad. The pointer must be non NULL. */
|
|
#define SYSCTL_NULL_QUAD_PTR ((int64_t *)NULL)
|
|
#define SYSCTL_QUAD(parent, nbr, name, access, ptr, val, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_S64 | CTLFLAG_MPSAFE | (access), \
|
|
ptr, val, sysctl_handle_64, "Q", descr); \
|
|
CTASSERT((((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S64) && \
|
|
sizeof(int64_t) == sizeof(*(ptr)))
|
|
|
|
#define SYSCTL_ADD_QUAD(ctx, parent, nbr, name, access, ptr, descr) \
|
|
({ \
|
|
int64_t *__ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S64); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_S64 | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, 0, sysctl_handle_64, "Q", __DESCR(descr)); \
|
|
})
|
|
|
|
#define SYSCTL_NULL_UQUAD_PTR ((uint64_t *)NULL)
|
|
#define SYSCTL_UQUAD(parent, nbr, name, access, ptr, val, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_U64 | CTLFLAG_MPSAFE | (access), \
|
|
ptr, val, sysctl_handle_64, "QU", descr); \
|
|
CTASSERT((((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U64) && \
|
|
sizeof(uint64_t) == sizeof(*(ptr)))
|
|
|
|
#define SYSCTL_ADD_UQUAD(ctx, parent, nbr, name, access, ptr, descr) \
|
|
({ \
|
|
uint64_t *__ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U64); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_U64 | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, 0, sysctl_handle_64, "QU", __DESCR(descr)); \
|
|
})
|
|
|
|
/* Oid for a CPU dependent variable */
|
|
#define SYSCTL_ADD_UAUTO(ctx, parent, nbr, name, access, ptr, descr) \
|
|
({ \
|
|
struct sysctl_oid *__ret; \
|
|
CTASSERT((sizeof(uint64_t) == sizeof(*(ptr)) || \
|
|
sizeof(unsigned) == sizeof(*(ptr))) && \
|
|
((access) & CTLTYPE) == 0); \
|
|
if (sizeof(uint64_t) == sizeof(*(ptr))) { \
|
|
__ret = sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_U64 | CTLFLAG_MPSAFE | (access), \
|
|
(ptr), 0, sysctl_handle_64, "QU", \
|
|
__DESCR(descr)); \
|
|
} else { \
|
|
__ret = sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_UINT | CTLFLAG_MPSAFE | (access), \
|
|
(ptr), 0, sysctl_handle_int, "IU", \
|
|
__DESCR(descr)); \
|
|
} \
|
|
__ret; \
|
|
})
|
|
|
|
/* Oid for a 64-bit unsigned counter(9). The pointer must be non NULL. */
|
|
#define SYSCTL_COUNTER_U64(parent, nbr, name, access, ptr, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_U64 | CTLFLAG_MPSAFE | (access), \
|
|
(ptr), 0, sysctl_handle_counter_u64, "QU", descr); \
|
|
CTASSERT((((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U64) && \
|
|
sizeof(counter_u64_t) == sizeof(*(ptr)) && \
|
|
sizeof(uint64_t) == sizeof(**(ptr)))
|
|
|
|
#define SYSCTL_ADD_COUNTER_U64(ctx, parent, nbr, name, access, ptr, descr) \
|
|
({ \
|
|
counter_u64_t *__ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U64); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_U64 | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, 0, sysctl_handle_counter_u64, "QU", __DESCR(descr)); \
|
|
})
|
|
|
|
/* Oid for an array of counter(9)s. The pointer and length must be non zero. */
|
|
#define SYSCTL_COUNTER_U64_ARRAY(parent, nbr, name, access, ptr, len, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_OPAQUE | CTLFLAG_MPSAFE | (access), \
|
|
(ptr), (len), sysctl_handle_counter_u64_array, "S", descr); \
|
|
CTASSERT((((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_OPAQUE) && \
|
|
sizeof(counter_u64_t) == sizeof(*(ptr)) && \
|
|
sizeof(uint64_t) == sizeof(**(ptr)))
|
|
|
|
#define SYSCTL_ADD_COUNTER_U64_ARRAY(ctx, parent, nbr, name, access, \
|
|
ptr, len, descr) \
|
|
({ \
|
|
counter_u64_t *__ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_OPAQUE); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_OPAQUE | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, len, sysctl_handle_counter_u64_array, "S", \
|
|
__DESCR(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); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_OPAQUE)
|
|
|
|
#define SYSCTL_ADD_OPAQUE(ctx, parent, nbr, name, access, ptr, len, fmt, descr) \
|
|
({ \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_OPAQUE); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access), \
|
|
ptr, len, sysctl_handle_opaque, fmt, __DESCR(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); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_OPAQUE)
|
|
|
|
#define SYSCTL_ADD_STRUCT(ctx, parent, nbr, name, access, ptr, type, descr) \
|
|
({ \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_OPAQUE); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access), \
|
|
(ptr), sizeof(struct type), \
|
|
sysctl_handle_opaque, "S," #type, __DESCR(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); \
|
|
CTASSERT(((access) & CTLTYPE) != 0)
|
|
|
|
#define SYSCTL_ADD_PROC(ctx, parent, nbr, name, access, ptr, arg, handler, fmt, descr) \
|
|
({ \
|
|
CTASSERT(((access) & CTLTYPE) != 0); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, (access), \
|
|
(ptr), (arg), (handler), (fmt), __DESCR(descr)); \
|
|
})
|
|
|
|
/* Oid to handle limits on uma(9) zone specified by pointer. */
|
|
#define SYSCTL_UMA_MAX(parent, nbr, name, access, ptr, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_INT | CTLFLAG_MPSAFE | (access), \
|
|
(ptr), 0, sysctl_handle_uma_zone_max, "I", descr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_INT)
|
|
|
|
#define SYSCTL_ADD_UMA_MAX(ctx, parent, nbr, name, access, ptr, descr) \
|
|
({ \
|
|
uma_zone_t __ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_INT); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_INT | CTLFLAG_MPSAFE | (access), \
|
|
__ptr, 0, sysctl_handle_uma_zone_max, "I", __DESCR(descr)); \
|
|
})
|
|
|
|
/* Oid to obtain current use of uma(9) zone specified by pointer. */
|
|
#define SYSCTL_UMA_CUR(parent, nbr, name, access, ptr, descr) \
|
|
SYSCTL_OID(parent, nbr, name, \
|
|
CTLTYPE_INT | CTLFLAG_MPSAFE | CTLFLAG_RD | (access), \
|
|
(ptr), 0, sysctl_handle_uma_zone_cur, "I", descr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_INT)
|
|
|
|
#define SYSCTL_ADD_UMA_CUR(ctx, parent, nbr, name, access, ptr, descr) \
|
|
({ \
|
|
uma_zone_t __ptr = (ptr); \
|
|
CTASSERT(((access) & CTLTYPE) == 0 || \
|
|
((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_INT); \
|
|
sysctl_add_oid(ctx, parent, nbr, name, \
|
|
CTLTYPE_INT | CTLFLAG_MPSAFE | CTLFLAG_RD | (access), \
|
|
__ptr, 0, sysctl_handle_uma_zone_cur, "I", __DESCR(descr)); \
|
|
})
|
|
|
|
/*
|
|
* A macro to generate a read-only sysctl to indicate the presence of optional
|
|
* kernel features.
|
|
*/
|
|
#define FEATURE(name, desc) \
|
|
SYSCTL_INT(_kern_features, OID_AUTO, name, CTLFLAG_RD | CTLFLAG_CAPRD, \
|
|
SYSCTL_NULL_INT_PTR, 1, desc)
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
/*
|
|
* Top-level identifiers
|
|
*/
|
|
#define CTL_UNSPEC 0 /* unused */
|
|
#define CTL_KERN 1 /* "high kernel": proc, limits */
|
|
#define CTL_VM 2 /* virtual memory */
|
|
#define CTL_VFS 3 /* filesystem, 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 */
|
|
|
|
/*
|
|
* 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_PROF 16 /* 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: kernel 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 /* struct cdev *: 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_HOSTUUID 36 /* string: host UUID identifier */
|
|
#define KERN_ARND 37 /* int: from arc4rand() */
|
|
/*
|
|
* 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_PROC 8 /* only return procs */
|
|
#define KERN_PROC_SV_NAME 9 /* get syscall vector name */
|
|
#define KERN_PROC_RGID 10 /* by real group id */
|
|
#define KERN_PROC_GID 11 /* by effective group id */
|
|
#define KERN_PROC_PATHNAME 12 /* path to executable */
|
|
#define KERN_PROC_OVMMAP 13 /* Old VM map entries for process */
|
|
#define KERN_PROC_OFILEDESC 14 /* Old file descriptors for process */
|
|
#define KERN_PROC_KSTACK 15 /* Kernel stacks for process */
|
|
#define KERN_PROC_INC_THREAD 0x10 /*
|
|
* modifier for pid, pgrp, tty,
|
|
* uid, ruid, gid, rgid and proc
|
|
* This effectively uses 16-31
|
|
*/
|
|
#define KERN_PROC_VMMAP 32 /* VM map entries for process */
|
|
#define KERN_PROC_FILEDESC 33 /* File descriptors for process */
|
|
#define KERN_PROC_GROUPS 34 /* process groups */
|
|
#define KERN_PROC_ENV 35 /* get environment */
|
|
#define KERN_PROC_AUXV 36 /* get ELF auxiliary vector */
|
|
#define KERN_PROC_RLIMIT 37 /* process resource limits */
|
|
#define KERN_PROC_PS_STRINGS 38 /* get ps_strings location */
|
|
#define KERN_PROC_UMASK 39 /* process umask */
|
|
#define KERN_PROC_OSREL 40 /* osreldate for process binary */
|
|
#define KERN_PROC_SIGTRAMP 41 /* signal trampoline location */
|
|
#define KERN_PROC_CWD 42 /* process current working directory */
|
|
#define KERN_PROC_NFDS 43 /* number of open file descriptors */
|
|
|
|
/*
|
|
* 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? */
|
|
|
|
/*
|
|
* 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_REALMEM 12 /* int: 'real' memory */
|
|
|
|
/*
|
|
* 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 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_MQ_OPEN_MAX 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_SEM_VALUE_MAX 23 /* int */
|
|
#define CTL_P1003_1B_SIGQUEUE_MAX 24 /* int */
|
|
#define CTL_P1003_1B_TIMER_MAX 25 /* int */
|
|
|
|
#define CTL_P1003_1B_MAXID 26
|
|
|
|
#ifdef _KERNEL
|
|
|
|
/*
|
|
* Declare some common oids.
|
|
*/
|
|
extern struct sysctl_oid_list sysctl__children;
|
|
SYSCTL_DECL(_kern);
|
|
SYSCTL_DECL(_kern_features);
|
|
SYSCTL_DECL(_kern_ipc);
|
|
SYSCTL_DECL(_kern_proc);
|
|
SYSCTL_DECL(_kern_sched);
|
|
SYSCTL_DECL(_kern_sched_stats);
|
|
SYSCTL_DECL(_sysctl);
|
|
SYSCTL_DECL(_vm);
|
|
SYSCTL_DECL(_vm_stats);
|
|
SYSCTL_DECL(_vm_stats_misc);
|
|
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(_hw_bus_devices);
|
|
SYSCTL_DECL(_hw_bus_info);
|
|
SYSCTL_DECL(_machdep);
|
|
SYSCTL_DECL(_user);
|
|
SYSCTL_DECL(_compat);
|
|
SYSCTL_DECL(_regression);
|
|
SYSCTL_DECL(_security);
|
|
SYSCTL_DECL(_security_bsd);
|
|
|
|
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, intmax_t arg2, int (*handler)(SYSCTL_HANDLER_ARGS),
|
|
const char *fmt, const char *descr);
|
|
int sysctl_remove_name(struct sysctl_oid *parent, const char *name, int del,
|
|
int recurse);
|
|
void sysctl_rename_oid(struct sysctl_oid *oidp, const char *name);
|
|
int sysctl_move_oid(struct sysctl_oid *oidp,
|
|
struct sysctl_oid_list *parent);
|
|
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(struct thread *td, int *name, u_int namelen, void *old,
|
|
size_t *oldlenp, void *new, size_t newlen, size_t *retval,
|
|
int flags);
|
|
int kernel_sysctlbyname(struct thread *td, char *name, void *old,
|
|
size_t *oldlenp, void *new, size_t newlen, size_t *retval,
|
|
int flags);
|
|
int userland_sysctl(struct thread *td, int *name, u_int namelen, void *old,
|
|
size_t *oldlenp, int inkernel, void *new, size_t newlen,
|
|
size_t *retval, int flags);
|
|
int sysctl_find_oid(int *name, u_int namelen, struct sysctl_oid **noid,
|
|
int *nindx, struct sysctl_req *req);
|
|
void sysctl_wlock(void);
|
|
void sysctl_wunlock(void);
|
|
int sysctl_wire_old_buffer(struct sysctl_req *req, size_t len);
|
|
|
|
struct sbuf;
|
|
struct sbuf *sbuf_new_for_sysctl(struct sbuf *, char *, int,
|
|
struct sysctl_req *);
|
|
#else /* !_KERNEL */
|
|
#include <sys/cdefs.h>
|
|
|
|
__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 */
|
|
|
|
#endif /* !_SYS_SYSCTL_H_ */
|