X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/e5568f75972dfc723778653c11cb6b4dc825716a..0b4c1975fb5e4eccf1012a35081f7e7799b81046:/bsd/sys/sysctl.h diff --git a/bsd/sys/sysctl.h b/bsd/sys/sysctl.h index 241f9c132..083432071 100644 --- a/bsd/sys/sysctl.h +++ b/bsd/sys/sysctl.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /* @@ -57,6 +63,12 @@ * * @(#)sysctl.h 8.1 (Berkeley) 6/2/93 */ +/* + * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce + * support for mandatory and extensible security protections. This notice + * is included in support of clause 2.2 (b) of the Apple Public License, + * Version 2.0. + */ #ifndef _SYS_SYSCTL_H_ #define _SYS_SYSCTL_H_ @@ -64,15 +76,21 @@ /* * These are for the eproc structure defined below. */ +#include + #include #ifndef KERNEL #include #include +#else +#include #endif - -#include #include +#include + +#ifdef XNU_KERNEL_PRIVATE #include +#endif /* * Definitions for sysctl call. The sysctl call uses a hierarchical name @@ -91,6 +109,13 @@ * 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. + * + * When declaring new sysctl names, please use the CTLFLAG_LOCKED + * flag in the type to indicate that all necessary locking will + * be handled within the sysctl. Any sysctl defined without + * CTLFLAG_LOCKED is considered legacy and will be protected by + * both the kernel funnel and the sysctl memlock. This is not + * optimal, so it is best to handle locking yourself. */ struct ctlname { char *ctl_name; /* subsystem name */ @@ -114,36 +139,71 @@ struct ctlname { #define CTLFLAG_MASKED 0x04000000 /* deprecated variable, do not display */ #define CTLFLAG_NOAUTO 0x02000000 /* do not auto-register */ #define CTLFLAG_KERN 0x01000000 /* valid inside the kernel */ +#define CTLFLAG_LOCKED 0x00800000 /* node will handle locking itself (highly encouraged) */ /* * 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, ""); - */ + * + * Note that linker set technology will automatically register all nodes + * declared like this on kernel initialization, UNLESS they are defined + * in I/O-Kit. In this case, you have to call sysctl_register_oid() + * manually - just like in a KEXT. + */ #define OID_AUTO (-1) +#define OID_AUTO_START 100 /* conventional */ #ifdef KERNEL -#ifdef __APPLE_API_UNSTABLE #define SYSCTL_HANDLER_ARGS (struct sysctl_oid *oidp, void *arg1, int arg2, \ struct sysctl_req *req) +/* + * Locking and stats + */ +struct sysctl_lock { + int sl_lock; + int sl_want; + int sl_locked; +}; + +#define MEMLOCK_LOCK() \ + do { \ + while (memlock.sl_lock) { \ + memlock.sl_want = 1; \ + (void) tsleep((caddr_t)&memlock, PRIBIO+1, "sysctl", 0); \ + memlock.sl_locked++; \ + } \ + memlock.sl_lock = 1; \ + } while(0) + +#define MEMLOCK_UNLOCK() \ + do { \ + memlock.sl_lock = 0; \ + if (memlock.sl_want) { \ + memlock.sl_want = 0; \ + wakeup((caddr_t)&memlock); \ + } \ + }while(0) + /* * 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 proc *p; - int lock; - void *oldptr; + int lock; + user_addr_t oldptr; size_t oldlen; size_t oldidx; - int (*oldfunc)(struct sysctl_req *, const void *, size_t); - void *newptr; + int (*oldfunc)(struct sysctl_req *, const void *, size_t); + user_addr_t newptr; size_t newlen; size_t newidx; - int (*newfunc)(struct sysctl_req *, void *, size_t); + int (*newfunc)(struct sysctl_req *, void *, size_t); }; SLIST_HEAD(sysctl_oid_list, sysctl_oid); @@ -167,13 +227,21 @@ struct sysctl_oid { #define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l) #define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l) +typedef int (* sysctl_handler_t) SYSCTL_HANDLER_ARGS; + +__BEGIN_DECLS + +/* old interface */ int sysctl_handle_int SYSCTL_HANDLER_ARGS; int sysctl_handle_long SYSCTL_HANDLER_ARGS; int sysctl_handle_quad SYSCTL_HANDLER_ARGS; int sysctl_handle_int2quad SYSCTL_HANDLER_ARGS; -/*int sysctl_handle_intptr SYSCTL_HANDLER_ARGS; XXX not implemented */ int sysctl_handle_string SYSCTL_HANDLER_ARGS; int sysctl_handle_opaque SYSCTL_HANDLER_ARGS; +/* new interface */ +int sysctl_io_number(struct sysctl_req *req, long long bigValue, size_t valueSize, void *pValue, int *changed); +int sysctl_io_string(struct sysctl_req *req, char *pValue, size_t valueSize, int trunc, int *changed); +int sysctl_io_opaque(struct sysctl_req *req, void *pValue, size_t valueSize, int *changed); /* * These functions are used to add/remove an oid from the mib. @@ -181,16 +249,26 @@ int sysctl_handle_opaque SYSCTL_HANDLER_ARGS; void sysctl_register_oid(struct sysctl_oid *oidp); void sysctl_unregister_oid(struct sysctl_oid *oidp); +/* Not exported */ +void sysctl_register_fixed(void); + +__END_DECLS + /* Declare an oid to allow child oids to be added to it. */ #define SYSCTL_DECL(name) \ extern struct sysctl_oid_list sysctl_##name##_children +#ifdef XNU_KERNEL_PRIVATE +#define SYSCTL_LINKER_SET_ENTRY LINKER_SET_ENTRY +#else +#define SYSCTL_LINKER_SET_ENTRY(a, b) +#endif /* This constructs a "raw" MIB oid. */ #define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \ - struct sysctl_oid sysctl_##parent##_##name = { \ + struct sysctl_oid sysctl_##parent##_##name = { \ &sysctl_##parent##_children, { 0 }, \ - nbr, kind, a1, a2, #name, handler, fmt }; - + nbr, kind, a1, a2, #name, handler, fmt }; \ + SYSCTL_LINKER_SET_ENTRY(__sysctl_set, sysctl_##parent##_##name) /* This constructs a node from which other oids can hang. */ #define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \ @@ -204,30 +282,37 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|access, \ arg, len, sysctl_handle_string, "A", descr) +#define SYSCTL_COMPAT_INT(parent, nbr, name, access, ptr, val, descr) \ + SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \ + ptr, val, sysctl_handle_int, "I", descr) + +#define SYSCTL_COMPAT_UINT(parent, nbr, name, access, ptr, val, descr) \ + SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \ + ptr, val, sysctl_handle_int, "IU", 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|access, \ - ptr, val, sysctl_handle_int, "I", descr) + ptr, val, sysctl_handle_int, "I", descr); \ + typedef char _sysctl_##parent##_##name##_size_check[(__builtin_constant_p(ptr) || sizeof(*(ptr)) == sizeof(int)) ? 0 : -1]; /* 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_INT|access, \ - ptr, val, sysctl_handle_int, "IU", descr) + ptr, val, sysctl_handle_int, "IU", descr); \ + typedef char _sysctl_##parent##_##name##_size_check[(__builtin_constant_p(ptr) || sizeof(*(ptr)) == sizeof(unsigned int)) ? 0 : -1]; /* Oid for a long. The pointer must be non NULL. */ #define SYSCTL_LONG(parent, nbr, name, access, ptr, descr) \ SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \ - ptr, 0, sysctl_handle_long, "L", descr) + ptr, 0, sysctl_handle_long, "L", descr); \ + typedef char _sysctl_##parent##_##name##_size_check[(__builtin_constant_p(ptr) || sizeof(*(ptr)) == sizeof(long)) ? 0 : -1]; /* Oid for a quad. The pointer must be non NULL. */ #define SYSCTL_QUAD(parent, nbr, name, access, ptr, descr) \ SYSCTL_OID(parent, nbr, name, CTLTYPE_QUAD|access, \ - ptr, 0, sysctl_handle_quad, "Q", descr) - -/* Oid for a int returned as quad. The pointer must be non NULL. */ -#define SYSCTL_INT2QUAD(parent, nbr, name, access, ptr, descr) \ - SYSCTL_OID(parent, nbr, name, CTLTYPE_QUAD|access, \ - ptr, 0, sysctl_handle_int2quad, "Q", descr) + ptr, 0, sysctl_handle_quad, "Q", descr); \ + typedef char _sysctl_##parent##_##name##_size_check[(__builtin_constant_p(ptr) || sizeof(*(ptr)) == sizeof(long long)) ? 0 : -1]; /* Oid for an opaque object. Specified by a pointer and a length. */ #define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \ @@ -244,9 +329,30 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); #define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \ SYSCTL_OID(parent, nbr, name, access, \ ptr, arg, handler, fmt, descr) -#endif /* __APPLE_API_UNSTABLE */ + + +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(_hw); +SYSCTL_DECL(_machdep); +SYSCTL_DECL(_user); + #endif /* KERNEL */ +#ifdef XNU_KERNEL_PRIVATE +#define SYSCTL_DEF_ENABLED +#else +#ifndef KERNEL +#define SYSCTL_DEF_ENABLED +#endif +#endif + +#ifdef SYSCTL_DEF_ENABLED /* * Top-level identifiers */ @@ -308,21 +414,23 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); #define KERN_MAXFILESPERPROC 29 /* int: max open files per proc */ #define KERN_MAXPROCPERUID 30 /* int: max processes per uid */ #define KERN_DUMPDEV 31 /* dev_t: device to dump on */ -#define KERN_IPC 32 /* node: anything related to IPC */ -#define KERN_DUMMY 33 /* unused */ -#define KERN_PS_STRINGS 34 /* int: address of PS_STRINGS */ -#define KERN_USRSTACK 35 /* int: address of USRSTACK */ -#define KERN_LOGSIGEXIT 36 /* int: do we log sigexit procs? */ +#define KERN_IPC 32 /* node: anything related to IPC */ +#define KERN_DUMMY 33 /* unused */ +#define KERN_PS_STRINGS 34 /* int: address of PS_STRINGS */ +#define KERN_USRSTACK32 35 /* int: address of USRSTACK */ +#define KERN_LOGSIGEXIT 36 /* int: do we log sigexit procs? */ #define KERN_SYMFILE 37 /* string: kernel symbol filename */ #define KERN_PROCARGS 38 -#define KERN_PCSAMPLES 39 /* node: pc sampling */ + /* 39 was KERN_PCSAMPLES... now deprecated */ #define KERN_NETBOOT 40 /* int: are we netbooted? 1=yes,0=no */ #define KERN_PANICINFO 41 /* node: panic UI information */ -#define KERN_SYSV 42 /* node: panic UI information */ +#define KERN_SYSV 42 /* node: System V IPC information */ #define KERN_AFFINITY 43 /* xxx */ -#define KERN_CLASSIC 44 /* xxx */ -#define KERN_CLASSICHANDLER 45 /* xxx */ -#define KERN_AIOMAX 46 /* int: max aio requests */ +#define KERN_TRANSLATE 44 /* xxx */ +#define KERN_CLASSIC KERN_TRANSLATE /* XXX backwards compat */ +#define KERN_EXEC 45 /* xxx */ +#define KERN_CLASSICHANDLER KERN_EXEC /* XXX backwards compatibility */ +#define KERN_AIOMAX 46 /* int: max aio requests */ #define KERN_AIOPROCMAX 47 /* int: max aio requests per process */ #define KERN_AIOTHREADS 48 /* int: max aio worker threads */ #ifdef __APPLE_API_UNSTABLE @@ -331,9 +439,60 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); #define KERN_COREFILE 50 /* string: corefile format string */ #define KERN_COREDUMP 51 /* int: whether to coredump at all */ #define KERN_SUGID_COREDUMP 52 /* int: whether to dump SUGID cores */ -#define KERN_MAXID 53 /* number of valid kern ids */ +#define KERN_PROCDELAYTERM 53 /* int: set/reset current proc for delayed termination during shutdown */ +#define KERN_SHREG_PRIVATIZABLE 54 /* int: can shared regions be privatized ? */ + /* 55 was KERN_PROC_LOW_PRI_IO... now deprecated */ +#define KERN_LOW_PRI_WINDOW 56 /* int: set/reset throttle window - milliseconds */ +#define KERN_LOW_PRI_DELAY 57 /* int: set/reset throttle delay - milliseconds */ +#define KERN_POSIX 58 /* node: posix tunables */ +#define KERN_USRSTACK64 59 /* LP64 user stack query */ +#define KERN_NX_PROTECTION 60 /* int: whether no-execute protection is enabled */ +#define KERN_TFP 61 /* Task for pid settings */ +#define KERN_PROCNAME 62 /* setup process program name(2*MAXCOMLEN) */ +#define KERN_THALTSTACK 63 /* for compat with older x86 and does nothing */ +#define KERN_SPECULATIVE_READS 64 /* int: whether speculative reads are disabled */ +#define KERN_OSVERSION 65 /* for build number i.e. 9A127 */ +#define KERN_SAFEBOOT 66 /* are we booted safe? */ +#define KERN_LCTX 67 /* node: login context */ +#define KERN_RAGEVNODE 68 +#define KERN_TTY 69 /* node: tty settings */ +#define KERN_CHECKOPENEVT 70 /* spi: check the VOPENEVT flag on vnodes at open time */ +#define KERN_THREADNAME 71 /* set/get thread name */ +#define KERN_MAXID 72 /* number of valid kern ids */ +/* + * Don't add any more sysctls like this. Instead, use the SYSCTL_*() macros + * and OID_AUTO. This will have the added benefit of not having to recompile + * sysctl(8) to pick up your changes. + */ + +#if COUNT_SYSCALLS && defined(KERNEL) +#define KERN_COUNT_SYSCALLS (KERN_OSTYPE + 1000) /* keep called count for each bsd syscall */ +#endif + +#if defined(__LP64__) +#define KERN_USRSTACK KERN_USRSTACK64 +#else +#define KERN_USRSTACK KERN_USRSTACK32 +#endif +/* KERN_RAGEVNODE types */ +#define KERN_RAGE_PROC 1 +#define KERN_RAGE_THREAD 2 +#define KERN_UNRAGE_PROC 3 +#define KERN_UNRAGE_THREAD 4 + +/* KERN_OPENEVT types */ +#define KERN_OPENEVT_PROC 1 +#define KERN_UNOPENEVT_PROC 2 + +/* KERN_TFP types */ +#define KERN_TFP_POLICY 1 + +/* KERN_TFP_POLICY values . All policies allow task port for self */ +#define KERN_TFP_POLICY_DENY 0 /* Deny Mode: None allowed except privileged */ +#define KERN_TFP_POLICY_DEFAULT 2 /* Default Mode: related ones allowed and upcall authentication */ + /* KERN_KDEBUG types */ #define KERN_KDEFLAGS 1 #define KERN_KDDFLAGS 2 @@ -352,35 +511,9 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); #define KERN_KDSETRTCDEC 15 #define KERN_KDGETENTROPY 16 -/* KERN_PCSAMPLES types */ -#define KERN_PCDISABLE 1 -#define KERN_PCSETBUF 2 -#define KERN_PCGETBUF 3 -#define KERN_PCSETUP 4 -#define KERN_PCREMOVE 5 -#define KERN_PCREADBUF 6 -#define KERN_PCSETREG 7 -#define KERN_PCCOMM 8 - /* KERN_PANICINFO types */ #define KERN_PANICINFO_MAXSIZE 1 /* quad: panic UI image size limit */ -#define KERN_PANICINFO_IMAGE16 2 /* string: path to the panic UI (16 bit) */ -#define KERN_PANICINFO_IMAGE32 3 /* string: path to the panic UI (32 bit) */ - -/* - * KERN_SYSV identifiers - */ -#define KSYSV_SHMMAX 1 /* int: max shared memory segment size (bytes) */ -#define KSYSV_SHMMIN 2 /* int: min shared memory segment size (bytes) */ -#define KSYSV_SHMMNI 3 /* int: max number of shared memory identifiers */ -#define KSYSV_SHMSEG 4 /* int: max shared memory segments per process */ -#define KSYSV_SHMALL 5 /* int: max amount of shared memory (pages) */ -#define KSYSV_SEMMNI 6 /* int: max num of semaphore identifiers */ -#define KSYSV_SEMMNS 7 /* int: max num of semaphores in system */ -#define KSYSV_SEMMNU 8 /* int: max num of undo structures in system */ -#define KSYSV_SEMMSL 9 /* int: max num of semaphores per id */ -#define KSYSV_SEMUNE 10 /* int: max num of undo entries per process */ - +#define KERN_PANICINFO_IMAGE 2 /* panic UI in 8-bit kraw format */ #define CTL_KERN_NAMES { \ { 0, 0 }, \ @@ -417,25 +550,44 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); { "dumpdev", CTLTYPE_STRUCT }, /* we lie; don't print as int */ \ { "ipc", CTLTYPE_NODE }, \ { "dummy", CTLTYPE_INT }, \ - { "ps_strings", CTLTYPE_INT }, \ + { "dummy", CTLTYPE_INT }, \ { "usrstack", CTLTYPE_INT }, \ { "logsigexit", CTLTYPE_INT }, \ { "symfile",CTLTYPE_STRING },\ { "procargs",CTLTYPE_STRUCT },\ - { "pcsamples",CTLTYPE_STRUCT },\ + { "dummy", CTLTYPE_INT }, /* deprecated pcsamples */ \ { "netboot", CTLTYPE_INT }, \ { "panicinfo", CTLTYPE_NODE }, \ { "sysv", CTLTYPE_NODE }, \ { "dummy", CTLTYPE_INT }, \ { "dummy", CTLTYPE_INT }, \ - { "dummy", CTLTYPE_INT }, \ + { "exec", CTLTYPE_NODE }, \ { "aiomax", CTLTYPE_INT }, \ { "aioprocmax", CTLTYPE_INT }, \ { "aiothreads", CTLTYPE_INT }, \ { "procargs2",CTLTYPE_STRUCT }, \ { "corefile",CTLTYPE_STRING }, \ { "coredump", CTLTYPE_INT }, \ - { "sugid_coredump", CTLTYPE_INT } \ + { "sugid_coredump", CTLTYPE_INT }, \ + { "delayterm", CTLTYPE_INT }, \ + { "shreg_private", CTLTYPE_INT }, \ + { "proc_low_pri_io", CTLTYPE_INT }, \ + { "low_pri_window", CTLTYPE_INT }, \ + { "low_pri_delay", CTLTYPE_INT }, \ + { "posix", CTLTYPE_NODE }, \ + { "usrstack64", CTLTYPE_QUAD }, \ + { "nx", CTLTYPE_INT }, \ + { "tfp", CTLTYPE_NODE }, \ + { "procname", CTLTYPE_STRING }, \ + { "threadsigaltstack", CTLTYPE_INT }, \ + { "speculative_reads_disabled", CTLTYPE_INT }, \ + { "osversion", CTLTYPE_STRING }, \ + { "safeboot", CTLTYPE_INT }, \ + { "lctx", CTLTYPE_NODE }, \ + { "rage_vnode", CTLTYPE_INT }, \ + { "tty", CTLTYPE_NODE }, \ + { "check_openevt", CTLTYPE_INT }, \ + { "thread_name", CTLTYPE_STRING } \ } /* @@ -455,18 +607,44 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); #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_LCID 7 /* by login context id */ +/* + * KERN_LCTX subtypes + */ +#define KERN_LCTX_ALL 0 /* everything */ +#define KERN_LCTX_LCID 1 /* by login context id */ + + +#if defined(XNU_KERNEL_PRIVATE) || !defined(KERNEL) /* * KERN_PROC subtype ops return arrays of augmented proc structures: */ -#ifdef __APPLE_API_UNSTABLE + +struct _pcred { + char pc_lock[72]; /* opaque content */ + struct ucred *pc_ucred; /* Current credentials. */ + uid_t p_ruid; /* Real user id. */ + uid_t p_svuid; /* Saved effective user id. */ + gid_t p_rgid; /* Real group id. */ + gid_t p_svgid; /* Saved effective group id. */ + int p_refcnt; /* Number of references. */ +}; + +struct _ucred { + int32_t cr_ref; /* reference count */ + uid_t cr_uid; /* effective user id */ + short cr_ngroups; /* number of groups */ + gid_t cr_groups[NGROUPS]; /* groups */ +}; + struct kinfo_proc { struct extern_proc kp_proc; /* proc structure */ struct eproc { struct proc *e_paddr; /* address of proc */ struct session *e_sess; /* session pointer */ - struct pcred e_pcred; /* process credentials */ - struct ucred e_ucred; /* current credentials */ + struct _pcred e_pcred; /* process credentials */ + struct _ucred e_ucred; /* current credentials */ struct vmspace e_vm; /* address space */ pid_t e_ppid; /* parent process id */ pid_t e_pgid; /* process group id */ @@ -480,15 +658,118 @@ struct kinfo_proc { short e_xrssize; /* text rss */ short e_xccount; /* text references */ short e_xswrss; - long e_flag; + int32_t e_flag; #define EPROC_CTTY 0x01 /* controlling tty vnode active */ #define EPROC_SLEADER 0x02 /* session leader */ #define COMAPT_MAXLOGNAME 12 char e_login[COMAPT_MAXLOGNAME]; /* short setlogin() name */ - long e_spare[4]; +#if CONFIG_LCTX + pid_t e_lcid; + int32_t e_spare[3]; +#else + int32_t e_spare[4]; +#endif } kp_eproc; }; -#endif /* __APPLE_API_UNSTABLE */ + +struct kinfo_lctx { + pid_t id; /* Login Context ID */ + int mc; /* Member Count */ +}; + +#endif /* defined(XNU_KERNEL_PRIVATE) || !defined(KERNEL) */ + +#ifdef BSD_KERNEL_PRIVATE +#include + +/* LP64 version of _pcred. all pointers + * grow when we're dealing with a 64-bit process. + * WARNING - keep in sync with _pcred + */ + +struct user32_pcred { + char pc_lock[72]; /* opaque content */ + user32_addr_t pc_ucred; /* Current credentials. */ + uid_t p_ruid; /* Real user id. */ + uid_t p_svuid; /* Saved effective user id. */ + gid_t p_rgid; /* Real group id. */ + gid_t p_svgid; /* Saved effective group id. */ + int p_refcnt; /* Number of references. */ +}; +struct user64_pcred { + char pc_lock[72]; /* opaque content */ + user64_addr_t pc_ucred; /* Current credentials. */ + uid_t p_ruid; /* Real user id. */ + uid_t p_svuid; /* Saved effective user id. */ + gid_t p_rgid; /* Real group id. */ + gid_t p_svgid; /* Saved effective group id. */ + int p_refcnt; /* Number of references. */ +}; + +/* LP64 version of kinfo_proc. all pointers + * grow when we're dealing with a 64-bit process. + * WARNING - keep in sync with kinfo_proc + */ +struct user32_kinfo_proc { + struct user32_extern_proc kp_proc; /* proc structure */ + struct user32_eproc { + user32_addr_t e_paddr; /* address of proc */ + user32_addr_t e_sess; /* session pointer */ + struct user32_pcred e_pcred; /* process credentials */ + struct _ucred e_ucred; /* current credentials */ + struct user32_vmspace e_vm; /* address space */ + pid_t e_ppid; /* parent process id */ + pid_t e_pgid; /* process group id */ + short e_jobc; /* job control counter */ + dev_t e_tdev; /* controlling tty dev */ + pid_t e_tpgid; /* tty process group id */ + user32_addr_t e_tsess; /* tty session pointer */ + char e_wmesg[WMESGLEN+1]; /* wchan message */ + segsz_t e_xsize; /* text size */ + short e_xrssize; /* text rss */ + short e_xccount; /* text references */ + short e_xswrss; + int32_t e_flag; + char e_login[COMAPT_MAXLOGNAME]; /* short setlogin() name */ +#if CONFIG_LCTX + pid_t e_lcid; + int32_t e_spare[3]; +#else + int32_t e_spare[4]; +#endif + } kp_eproc; +}; +struct user64_kinfo_proc { + struct user64_extern_proc kp_proc; /* proc structure */ + struct user64_eproc { + user_addr_t e_paddr; /* address of proc */ + user_addr_t e_sess; /* session pointer */ + struct user64_pcred e_pcred; /* process credentials */ + struct _ucred e_ucred; /* current credentials */ + struct user_vmspace e_vm; /* address space */ + pid_t e_ppid; /* parent process id */ + pid_t e_pgid; /* process group id */ + short e_jobc; /* job control counter */ + dev_t e_tdev; /* controlling tty dev */ + pid_t e_tpgid; /* tty process group id */ + user64_addr_t e_tsess __attribute((aligned(8))); /* tty session pointer */ + char e_wmesg[WMESGLEN+1]; /* wchan message */ + segsz_t e_xsize; /* text size */ + short e_xrssize; /* text rss */ + short e_xccount; /* text references */ + short e_xswrss; + int32_t e_flag; + char e_login[COMAPT_MAXLOGNAME]; /* short setlogin() name */ +#if CONFIG_LCTX + pid_t e_lcid; + int32_t e_spare[3]; +#else + int32_t e_spare[4]; +#endif + } kp_eproc; +}; + +#endif /* BSD_KERNEL_PRIVATE */ /* * KERN_IPC identifiers @@ -502,21 +783,64 @@ struct kinfo_proc { #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 */ +#define KIPC_SOQLIMITCOMPAT 10 /* int: socket queue limit */ /* * CTL_VM identifiers */ #define VM_METER 1 /* struct vmmeter */ #define VM_LOADAVG 2 /* struct loadavg */ -#define VM_MAXID 3 /* number of valid vm ids */ +/* + * Note: "3" was skipped sometime ago and should probably remain unused + * to avoid any new entry from being accepted by older kernels... + */ #define VM_MACHFACTOR 4 /* struct loadavg with mach factor*/ +#define VM_SWAPUSAGE 5 /* total swap usage */ +#define VM_MAXID 6 /* number of valid vm ids */ #define CTL_VM_NAMES { \ { 0, 0 }, \ { "vmmeter", CTLTYPE_STRUCT }, \ - { "loadavg", CTLTYPE_STRUCT } \ + { "loadavg", CTLTYPE_STRUCT }, \ + { 0, 0 }, /* placeholder for "3" (see comment above) */ \ + { "dummy", CTLTYPE_INT }, \ + { "swapusage", CTLTYPE_STRUCT } \ } +struct xsw_usage { + u_int64_t xsu_total; + u_int64_t xsu_avail; + u_int64_t xsu_used; + u_int32_t xsu_pagesize; + boolean_t xsu_encrypted; +}; + +#ifdef __APPLE_API_PRIVATE +/* Load average structure. Use of fixpt_t assume in scope. */ +/* XXX perhaps we should protect fixpt_t, and define it here (or discard it) */ +struct loadavg { + fixpt_t ldavg[3]; + long fscale; +}; +extern struct loadavg averunnable; +#define LSCALE 1000 /* scaling for "fixed point" arithmetic */ + +#ifdef BSD_KERNEL_PRIVATE + +struct user32_loadavg { + fixpt_t ldavg[3]; + user32_long_t fscale; +}; + +struct user64_loadavg { + fixpt_t ldavg[3]; + user64_long_t fscale; +}; + +#endif /* BSD_KERNEL_PRIVATE */ +#endif /* __APPLE_API_PRIVATE */ + + /* * CTL_HW identifiers */ @@ -577,18 +901,26 @@ struct kinfo_proc { } /* - * These are the support HW selectors for sysctlbyname. Parameters that are byte count or frequencies are 64 bit numbers. + * XXX This information should be moved to the man page. + * + * These are the support HW selectors for sysctlbyname. Parameters that are byte counts or frequencies are 64 bit numbers. * All other parameters are 32 bit numbers. * * hw.memsize - The number of bytes of physical memory in the system. * - * hw.ncpu - The number maximum number of processor that could be available this boot. + * hw.ncpu - The maximum number of processors that could be available this boot. * Use this value for sizing of static per processor arrays; i.e. processor load statistics. * - * hw.activecpu - The number of cpus currently available for executing threads. + * hw.activecpu - The number of processors currently available for executing threads. * Use this number to determine the number threads to create in SMP aware applications. * This number can change when power management modes are changed. - * + * + * hw.physicalcpu - The number of physical processors available in the current power management mode. + * hw.physicalcpu_max - The maximum number of physical processors that could be available this boot + * + * hw.logicalcpu - The number of logical processors available in the current power management mode. + * hw.logicalcpu_max - The maximum number of logical processors that could be available this boot + * * hw.tbfrequency - This gives the time base frequency used by the OS and is the basis of all timing services. * In general is is better to use mach's or higher level timing services, but this value * is needed to convert the PPC Time Base registers to real time. @@ -605,6 +937,9 @@ struct kinfo_proc { * hw.cpusubtype - These values should be used to determine what processor family the running cpu is from so that * the best binary can be chosen, or the best dynamic code generated. They should not be used * to determine if a given processor feature is available. + * hw.cputhreadtype - This value will be present if the processor supports threads. Like hw.cpusubtype this selector + * should not be used to infer features, and only used to name the processors thread architecture. + * The values are defined in * * hw.byteorder - Gives the byte order of the processor. 4321 for big endian, 1234 for little. * @@ -619,10 +954,13 @@ struct kinfo_proc { * hw.l2cachesize - * hw.l3cachesize - * + * hw.packages - Gives the number of processor packages. + * + * These are the selectors for optional processor features for specific processors. Selectors that return errors are not support + * on the system. Supported features will return 1 if they are recommended or 0 if they are supported but are not expected to help . + * performance. Future versions of these selectors may return larger values as necessary so it is best to test for non zero. * - * These are the selectors for optional processor features. Selectors that return errors are not support on the system. - * Supported features will return 1 if they are recommended or 0 if they are supported but are not expected to help performance. - * Future versions of these selectors may return larger values as necessary so it is best to test for non zero. + * For PowerPC: * * hw.optional.floatingpoint - Floating Point Instructions * hw.optional.altivec - AltiVec Instructions @@ -634,6 +972,15 @@ struct kinfo_proc { * hw.optional.datastreams - Data Streams Instructions * hw.optional.dcbtstreams - Data Cache Block Touch Steams Instruction Form * + * For x86 Architecture: + * + * hw.optional.floatingpoint - Floating Point Instructions + * hw.optional.mmx - Original MMX vector instructions + * hw.optional.sse - Streaming SIMD Extensions + * hw.optional.sse2 - Streaming SIMD Extensions 2 + * hw.optional.sse3 - Streaming SIMD Extensions 3 + * hw.optional.supplementalsse3 - Supplemental Streaming SIMD Extensions 3 + * hw.optional.x86_64 - 64-bit support */ @@ -698,22 +1045,14 @@ struct kinfo_proc { #define CTL_DEBUG_VALUE 1 /* int: variable value */ #define CTL_DEBUG_MAXID 20 -#ifdef KERNEL -#ifdef __APPLE_API_UNSTABLE -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(_hw); -SYSCTL_DECL(_machdep); -SYSCTL_DECL(_user); +#if (CTL_MAXID != 9) || (KERN_MAXID != 72) || (VM_MAXID != 6) || (HW_MAXID != 26) || (USER_MAXID != 21) || (CTL_DEBUG_MAXID != 20) +#error Use the SYSCTL_*() macros and OID_AUTO instead! +#endif -#ifdef DEBUG +#ifdef KERNEL +#if DEBUG /* * CTL_DEBUG variables. * @@ -736,29 +1075,23 @@ extern struct ctldebug debug10, debug11, debug12, debug13, debug14; extern struct ctldebug debug15, debug16, debug17, debug18, debug19; #endif /* DEBUG */ +#ifdef BSD_KERNEL_PRIVATE extern char machine[]; extern char osrelease[]; extern char ostype[]; +extern char osversion[]; struct linker_set; -void sysctl_register_set(struct linker_set *lsp); -void sysctl_unregister_set(struct linker_set *lsp); -void sysctl_mib_init(void); +void sysctl_register_set(const char *set); +void sysctl_unregister_set(const char *set); +void sysctl_mib_init(void) __attribute__((section("__TEXT, initcode"))); int kernel_sysctl(struct proc *p, int *name, u_int namelen, void *old, size_t *oldlenp, void *newp, size_t newlen); -int userland_sysctl(struct proc *p, int *name, u_int namelen, void *old, - size_t *oldlenp, int inkernel, void *newp, size_t newlen, +int userland_sysctl(struct proc *p, int *name, u_int namelen, user_addr_t old, + size_t *oldlenp, user_addr_t newp, size_t newlen, size_t *retval); -/* - * Sysctl handling within the kernel. - * - * May be called with either or no funnel held; will take and - * switch funnels as required. - */ -int sysctlbyname __P((const char *, void *, size_t *, void *, size_t)); - /* * Internal sysctl function calling convention: * @@ -769,24 +1102,36 @@ int sysctlbyname __P((const char *, void *, size_t *, void *, size_t)); * the name. */ typedef int (sysctlfn) - __P((int *, u_int, void *, size_t *, void *, size_t, struct proc *)); + (int *, u_int, user_addr_t, size_t *, user_addr_t, size_t, struct proc *); -int sysctl_int __P((void *, size_t *, void *, size_t, int *)); -int sysctl_rdint __P((void *, size_t *, void *, int)); -int sysctl_quad __P((void *, size_t *, void *, size_t, quad_t *)); -int sysctl_rdquad __P((void *, size_t *, void *, quad_t)); -int sysctl_string __P((void *, size_t *, void *, size_t, char *, int)); -int sysctl_rdstring __P((void *, size_t *, void *, char *)); -int sysctl_rdstruct __P((void *, size_t *, void *, void *, int)); +int sysctl_int(user_addr_t, size_t *, user_addr_t, size_t, int *); +int sysctl_rdint(user_addr_t, size_t *, user_addr_t, int); +int sysctl_quad(user_addr_t, size_t *, user_addr_t, size_t, quad_t *); +int sysctl_rdquad(user_addr_t, size_t *, user_addr_t, quad_t); +int sysctl_string(user_addr_t, size_t *, user_addr_t, size_t, char *, int); +int sysctl_trstring(user_addr_t, size_t *, user_addr_t, size_t, char *, int); +int sysctl_rdstring(user_addr_t, size_t *, user_addr_t, char *); +int sysctl_rdstruct(user_addr_t, size_t *, user_addr_t, void *, int); -#endif /* __APPLE_API_UNSTABLE */ +/* XXX should be in , but not a real system call */ +struct sysctl_args; +int new_sysctl(struct proc *, struct sysctl_args *); + +void sysctl_register_all(void); + +#endif /* BSD_KERNEL_PRIVATE */ #else /* !KERNEL */ -#include __BEGIN_DECLS -int sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); -int sysctlbyname __P((const char *, void *, size_t *, void *, size_t)); -int sysctlnametomib __P((const char *, int *, size_t *)); +int sysctl(int *, u_int, void *, size_t *, void *, size_t); +int sysctlbyname(const char *, void *, size_t *, void *, size_t); +int sysctlnametomib(const char *, int *, size_t *); __END_DECLS + #endif /* KERNEL */ + + +#endif /* SYSCTL_DEF_ENABLED */ + + #endif /* !_SYS_SYSCTL_H_ */