X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/90556fb8d47e7b68fd301dde9dbb3ae7495cf323..55e303ae13a4cf49d70f2294092726f2fffb9ef2:/bsd/sys/sysctl.h diff --git a/bsd/sys/sysctl.h b/bsd/sys/sysctl.h index 70e649306..4f18cd64a 100644 --- a/bsd/sys/sysctl.h +++ b/bsd/sys/sysctl.h @@ -1,21 +1,24 @@ /* - * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2003 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@ */ @@ -111,6 +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 @@ -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; @@ -204,11 +212,26 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \ ptr, val, sysctl_handle_int, "I", descr) +/* Oid for an unsigned int. If ptr is NULL, val is returned. */ +#define SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) \ + SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \ + ptr, val, sysctl_handle_int, "IU", descr) + /* Oid for a long. The pointer must be non NULL. */ #define SYSCTL_LONG(parent, nbr, name, access, ptr, descr) \ 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, \ @@ -280,7 +303,7 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); #define KERN_NISDOMAINNAME 22 /* string: YP domain name */ #define KERN_DOMAINNAME KERN_NISDOMAINNAME #define KERN_MAXPARTITIONS 23 /* int: number of partitions/disk */ -#define KERN_KDEBUG 24 /* int: kernel trace points */ +#define KERN_KDEBUG 24 /* int: kernel trace points */ #define KERN_UPDATEINTERVAL 25 /* int: update process sleep time */ #define KERN_OSRELDATE 26 /* int: OS release date */ #define KERN_NTP_PLL 27 /* node: NTP PLL control */ @@ -288,8 +311,8 @@ 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_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? */ @@ -298,8 +321,17 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); #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 */ +#define KERN_SYSV 42 /* node: panic UI 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_AIOPROCMAX 47 /* int: max aio requests per process */ +#define KERN_AIOTHREADS 48 /* int: max aio worker threads */ +#ifdef __APPLE_API_UNSTABLE +#define KERN_PROCARGS2 49 /* number of valid kern ids */ +#endif /* __APPLE_API_UNSTABLE */ +#define KERN_MAXID 50 /* number of valid kern ids */ /* KERN_KDEBUG types */ @@ -313,7 +345,7 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); #define KERN_KDSETREG 8 #define KERN_KDGETREG 9 #define KERN_KDREADTR 10 -#define KERN_KDPIDTR 11 +#define KERN_KDPIDTR 11 #define KERN_KDTHRMAP 12 /* Don't use 13 as it is overloaded with KERN_VNODE */ #define KERN_KDPIDEX 14 @@ -343,6 +375,11 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); #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 CTL_KERN_NAMES { \ @@ -388,7 +425,14 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); { "pcsamples",CTLTYPE_STRUCT },\ { "netboot", CTLTYPE_INT }, \ { "panicinfo", CTLTYPE_NODE }, \ - { "sysv", CTLTYPE_NODE } \ + { "sysv", CTLTYPE_NODE }, \ + { "dummy", CTLTYPE_INT }, \ + { "dummy", CTLTYPE_INT }, \ + { "dummy", CTLTYPE_INT }, \ + { "aiomax", CTLTYPE_INT }, \ + { "aioprocmax", CTLTYPE_INT }, \ + { "aiothreads", CTLTYPE_INT }, \ + { "procargs2",CTLTYPE_STRUCT } \ } /* @@ -496,7 +540,9 @@ struct kinfo_proc { #define HW_L3SETTINGS 21 /* int: L3 Cache Settings */ #define HW_L3CACHESIZE 22 /* int: L3 Cache Size in Bytes */ #define HW_TB_FREQ 23 /* int: Bus Frequency */ -#define HW_MAXID 24 /* number of valid hw ids */ +#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 }, \ @@ -522,9 +568,72 @@ struct kinfo_proc { { "l2cachesize", CTLTYPE_INT }, \ { "l3settings", CTLTYPE_INT }, \ { "l3cachesize", CTLTYPE_INT }, \ - { "tbfrequency", 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 */ @@ -632,12 +741,21 @@ 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: * @@ -657,7 +775,6 @@ 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 */ @@ -666,6 +783,7 @@ void fill_eproc __P((struct proc *, struct eproc *)); __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 *)); __END_DECLS #endif /* KERNEL */ #endif /* !_SYS_SYSCTL_H_ */