X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..43866e378188c25dd1e2208016ab3cbeb086ae6c:/bsd/sys/sysctl.h diff --git a/bsd/sys/sysctl.h b/bsd/sys/sysctl.h index 557b4d936..8af90d6ed 100644 --- a/bsd/sys/sysctl.h +++ b/bsd/sys/sysctl.h @@ -1,21 +1,24 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. * * @APPLE_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. + * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * 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. 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@ */ @@ -64,11 +67,10 @@ /* * These are for the eproc structure defined below. */ +#include #ifndef KERNEL #include #include - - #endif #include @@ -112,6 +114,9 @@ struct ctlname { #define CTLFLAG_NOLOCK 0x20000000 /* XXX Don't Lock */ #define CTLFLAG_ANYBODY 0x10000000 /* All users can set this var */ #define CTLFLAG_SECURE 0x08000000 /* Permit set only if securelevel<=0 */ +#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 */ /* * USE THIS instead of a hardwired number from the categories below @@ -123,6 +128,7 @@ struct ctlname { #define OID_AUTO (-1) #ifdef KERNEL +#ifdef __APPLE_API_UNSTABLE #define SYSCTL_HANDLER_ARGS (struct sysctl_oid *oidp, void *arg1, int arg2, \ struct sysctl_req *req) @@ -166,7 +172,9 @@ struct sysctl_oid { int sysctl_handle_int SYSCTL_HANDLER_ARGS; int sysctl_handle_long SYSCTL_HANDLER_ARGS; -int sysctl_handle_intptr 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; @@ -182,7 +190,7 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); /* 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 }; @@ -209,6 +217,16 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \ ptr, 0, sysctl_handle_long, "L", descr) +/* 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) + /* 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, \ @@ -224,6 +242,7 @@ 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 */ #endif /* KERNEL */ /* @@ -294,8 +313,11 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); #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 /* int: pc sampling */ -#define KERN_MAXID 40 /* number of valid kern ids */ +#define KERN_PCSAMPLES 39 /* node: pc sampling */ +#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_MAXID 43 /* number of valid kern ids */ /* KERN_KDEBUG types */ @@ -314,6 +336,7 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); /* Don't use 13 as it is overloaded with KERN_VNODE */ #define KERN_KDPIDEX 14 #define KERN_KDSETRTCDEC 15 +#define KERN_KDGETENTROPY 16 /* KERN_PCSAMPLES types */ #define KERN_PCDISABLE 1 @@ -325,6 +348,21 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); #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 CTL_KERN_NAMES { \ { 0, 0 }, \ { "ostype", CTLTYPE_STRING }, \ @@ -353,7 +391,7 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); { "kdebug", CTLTYPE_INT }, \ { "update", CTLTYPE_INT }, \ { "osreldate", CTLTYPE_INT }, \ - { "ntp_pll", CTLTYPE_NODE }, \ + { "ntp_pll", CTLTYPE_NODE }, \ { "bootfile", CTLTYPE_STRING }, \ { "maxfilesperproc", CTLTYPE_INT }, \ { "maxprocperuid", CTLTYPE_INT }, \ @@ -363,14 +401,19 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); { "ps_strings", CTLTYPE_INT }, \ { "usrstack", CTLTYPE_INT }, \ { "logsigexit", CTLTYPE_INT }, \ - { "symfile",CTLTYPE_STRING },\ + { "symfile",CTLTYPE_STRING },\ + { "procargs",CTLTYPE_STRUCT },\ + { "pcsamples",CTLTYPE_STRUCT },\ + { "netboot", CTLTYPE_INT }, \ + { "panicinfo", CTLTYPE_NODE }, \ + { "sysv", CTLTYPE_NODE } \ } /* * CTL_VFS identifiers */ #define CTL_VFS_NAMES { \ - { "vfsconf", CTLTYPE_STRUCT }, \ + { "vfsconf", CTLTYPE_STRUCT } \ } /* @@ -387,6 +430,7 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); /* * KERN_PROC subtype ops return arrays of augmented proc structures: */ +#ifdef __APPLE_API_UNSTABLE struct kinfo_proc { struct extern_proc kp_proc; /* proc structure */ struct eproc { @@ -394,16 +438,7 @@ struct kinfo_proc { struct session *e_sess; /* session pointer */ struct pcred e_pcred; /* process credentials */ struct ucred e_ucred; /* current credentials */ -#ifdef sparc - struct { - segsz_t vm_rssize; /* resident set size */ - segsz_t vm_tsize; /* text size */ - segsz_t vm_dsize; /* data size */ - segsz_t vm_ssize; /* stack size */ - } e_vm; -#else - struct vmspace e_vm; /* address space */ -#endif + struct 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 */ @@ -419,10 +454,12 @@ struct kinfo_proc { long e_flag; #define EPROC_CTTY 0x01 /* controlling tty vnode active */ #define EPROC_SLEADER 0x02 /* session leader */ - char e_login[MAXLOGNAME]; /* setlogin() name */ +#define COMAPT_MAXLOGNAME 12 + char e_login[COMAPT_MAXLOGNAME]; /* short setlogin() name */ long e_spare[4]; } kp_eproc; }; +#endif /* __APPLE_API_UNSTABLE */ /* * KERN_IPC identifiers @@ -448,7 +485,7 @@ struct kinfo_proc { #define CTL_VM_NAMES { \ { 0, 0 }, \ { "vmmeter", CTLTYPE_STRUCT }, \ - { "loadavg", CTLTYPE_STRUCT }, \ + { "loadavg", CTLTYPE_STRUCT } \ } /* @@ -476,7 +513,10 @@ struct kinfo_proc { #define HW_L2CACHESIZE 20 /* int: L2 Cache Size in Bytes */ #define HW_L3SETTINGS 21 /* int: L3 Cache Settings */ #define HW_L3CACHESIZE 22 /* int: L3 Cache Size in Bytes */ -#define HW_MAXID 23 /* number of valid hw ids */ +#define HW_TB_FREQ 23 /* int: Bus Frequency */ +#define HW_MEMSIZE 24 /* uint64_t: physical ram size */ +#define HW_AVAILCPU 25 /* int: number of available CPUs */ +#define HW_MAXID 26 /* number of valid hw ids */ #define CTL_HW_NAMES { \ { 0, 0 }, \ @@ -502,8 +542,72 @@ struct kinfo_proc { { "l2cachesize", CTLTYPE_INT }, \ { "l3settings", CTLTYPE_INT }, \ { "l3cachesize", CTLTYPE_INT }, \ + { "tbfrequency", CTLTYPE_INT }, \ + { "memsize", CTLTYPE_QUAD }, \ + { "availcpu", CTLTYPE_INT } \ } +/* + * These are the support HW selectors for sysctlbyname. Parameters that are byte count 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. + * 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. + * 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.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. + * + * hw.cpufrequency - These values provide the current, min and max cpu frequency. The min and max are for + * hw.cpufrequency_max - all power management modes. The current frequency is the max frequency in the current mode. + * hw.cpufrequency_min - All frequencies are in Hz. + * + * hw.busfrequency - These values provide the current, min and max bus frequency. The min and max are for + * hw.busfrequency_max - all power management modes. The current frequency is the max frequency in the current mode. + * hw.busfrequency_min - All frequencies are in Hz. + * + * hw.cputype - These values provide the mach-o cpu type and subtype. A complete list is in + * 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.byteorder - Gives the byte order of the processor. 4321 for big endian, 1234 for little. + * + * hw.pagesize - Gives the size in bytes of the pages used by the processor and VM system. + * + * hw.cachelinesize - Gives the size in bytes of the processor's cache lines. + * This value should be use to control the strides of loops that use cache control instructions + * like dcbz, dcbt or dcbst. + * + * hw.l1dcachesize - These values provide the size in bytes of the L1, L2 and L3 caches. If a cache is not present + * hw.l1icachesize - then the selector will return and error. + * hw.l2cachesize - + * hw.l3cachesize - + * + * + * 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. + * + * hw.optional.floatingpoint - Floating Point Instructions + * hw.optional.altivec - AltiVec Instructions + * hw.optional.graphicsops - Graphics Operations + * hw.optional.64bitops - 64-bit Instructions + * hw.optional.fsqrt - HW Floating Point Square Root Instruction + * hw.optional.stfiwx - Store Floating Point as Integer Word Indexed Instructions + * hw.optional.dcba - Data Cache Block Allocate Instruction + * hw.optional.datastreams - Data Streams Instructions + * hw.optional.dcbtstreams - Data Cache Block Touch Steams Instruction Form + * + */ + + /* * CTL_USER definitions */ @@ -550,7 +654,7 @@ struct kinfo_proc { { "posix2_sw_dev", CTLTYPE_INT }, \ { "posix2_upe", CTLTYPE_INT }, \ { "stream_max", CTLTYPE_INT }, \ - { "tzname_max", CTLTYPE_INT }, \ + { "tzname_max", CTLTYPE_INT } \ } @@ -566,6 +670,7 @@ struct kinfo_proc { #define CTL_DEBUG_MAXID 20 #ifdef KERNEL +#ifdef __APPLE_API_UNSTABLE extern struct sysctl_oid_list sysctl__children; SYSCTL_DECL(_kern); @@ -610,12 +715,21 @@ struct linker_set; void sysctl_register_set(struct linker_set *lsp); void sysctl_unregister_set(struct linker_set *lsp); +void sysctl_mib_init(void); int kernel_sysctl(struct proc *p, int *name, u_int namelen, void *old, - size_t *oldlenp, void *new, size_t newlen, - size_t *retval); + 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 *new, size_t newlen, + size_t *oldlenp, int inkernel, void *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: * @@ -630,11 +744,14 @@ typedef int (sysctlfn) 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)); void fill_eproc __P((struct proc *, struct eproc *)); +#endif /* __APPLE_API_UNSTABLE */ #else /* !KERNEL */ #include