X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/e5568f75972dfc723778653c11cb6b4dc825716a..3a60a9f5b85abb8c2cf24e1926c5c7b3f608a5e2:/bsd/sys/sysctl.h diff --git a/bsd/sys/sysctl.h b/bsd/sys/sysctl.h index 241f9c132..e6fb7b1b6 100644 --- a/bsd/sys/sysctl.h +++ b/bsd/sys/sysctl.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * @@ -64,15 +64,21 @@ /* * These are for the eproc structure defined below. */ +#include + #include #ifndef KERNEL #include #include +#else +#include #endif - -#include #include +#include + +#ifdef BSD_KERNEL_PRIVATE #include +#endif /* * Definitions for sysctl call. The sysctl call uses a hierarchical name @@ -125,7 +131,6 @@ 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) @@ -135,15 +140,15 @@ struct ctlname { */ 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); @@ -167,6 +172,8 @@ 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) +__BEGIN_DECLS + int sysctl_handle_int SYSCTL_HANDLER_ARGS; int sysctl_handle_long SYSCTL_HANDLER_ARGS; int sysctl_handle_quad SYSCTL_HANDLER_ARGS; @@ -181,6 +188,8 @@ int sysctl_handle_opaque SYSCTL_HANDLER_ARGS; void sysctl_register_oid(struct sysctl_oid *oidp); void sysctl_unregister_oid(struct sysctl_oid *oidp); +__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 @@ -244,9 +253,30 @@ 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 +338,21 @@ 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 */ #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_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 @@ -331,8 +361,20 @@ 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 ? */ +#define KERN_PROC_LOW_PRI_IO 55 /* int: set/reset current proc for low priority I/O */ +#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_MAXID 60 /* number of valid kern ids */ + +#if defined(__LP64__) +#define KERN_USRSTACK KERN_USRSTACK64 +#else +#define KERN_USRSTACK KERN_USRSTACK32 +#endif /* KERN_KDEBUG types */ #define KERN_KDEFLAGS 1 @@ -364,8 +406,7 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); /* 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) */ +#define KERN_PANICINFO_IMAGE 2 /* panic UI in 8-bit kraw format */ /* * KERN_SYSV identifiers @@ -417,7 +458,7 @@ 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 },\ @@ -435,7 +476,13 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); { "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 } \ } /* @@ -460,13 +507,31 @@ void sysctl_unregister_oid(struct sysctl_oid *oidp); * 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 */ @@ -480,14 +545,74 @@ 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]; + int32_t e_spare[4]; } kp_eproc; }; + +#ifdef BSD_KERNEL_PRIVATE +#include + +// LP64todo - should this move? + +/* LP64 version of _pcred. all pointers + * grow when we're dealing with a 64-bit process. + * WARNING - keep in sync with _pcred + */ + +#if __DARWIN_ALIGN_NATURAL +#pragma options align=natural +#endif + +struct user_pcred { + char pc_lock[72]; /* opaque content */ + user_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 user_kinfo_proc { + struct user_extern_proc kp_proc; /* proc structure */ + struct user_eproc { + user_addr_t e_paddr; /* address of proc */ + user_addr_t e_sess; /* session pointer */ + struct user_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 */ + user_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 */ + int32_t e_spare[4]; + } kp_eproc; +}; + +#if __DARWIN_ALIGN_NATURAL +#pragma options align=reset +#endif + +#endif /* BSD_KERNEL_PRIVATE */ + #endif /* __APPLE_API_UNSTABLE */ /* @@ -508,15 +633,60 @@ struct kinfo_proc { */ #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) */ \ + { "machfactor", CTLTYPE_STRUCT }, \ + { "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 */ + +// LP64todo - should this move? +#ifdef BSD_KERNEL_PRIVATE + +#if __DARWIN_ALIGN_NATURAL +#pragma options align=natural +#endif +struct user_loadavg { + fixpt_t ldavg[3]; + user_long_t fscale; +}; + +#if __DARWIN_ALIGN_NATURAL +#pragma options align=reset +#endif + +#endif /* BSD_KERNEL_PRIVATE */ +#endif /* __APPLE_API_PRIVATE */ + + /* * CTL_HW identifiers */ @@ -577,18 +747,24 @@ struct kinfo_proc { } /* - * These are the support HW selectors for sysctlbyname. Parameters that are byte count or frequencies are 64 bit numbers. + * 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 +781,9 @@ 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. * @@ -699,20 +878,6 @@ struct kinfo_proc { #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); - - #ifdef DEBUG /* * CTL_DEBUG variables. @@ -736,6 +901,7 @@ 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[]; @@ -747,18 +913,10 @@ 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 *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, int inkernel, 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 +927,30 @@ 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 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)); - -#endif /* __APPLE_API_UNSTABLE */ + (int *, u_int, user_addr_t, size_t *, user_addr_t, size_t, struct proc *); + +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(void *, size_t *, void *, 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 /* 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_ */