/*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2011 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
*
* @(#)kern_sysctl.c 8.4 (Berkeley) 4/14/94
*/
+/*
+ * 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.
+ */
/*
- * sysctl system call.
+* DEPRECATED sysctl system call code
+ *
+ * Everything in this file is deprecated. Sysctls should be handled
+ * by the code in kern_newsysctl.c.
+ * The remaining "case" sections are supposed to be converted into
+ * SYSCTL_*-style definitions, and as soon as all of them are gone,
+ * this source file is supposed to die.
+ *
+ * DO NOT ADD ANY MORE "case" SECTIONS TO THIS FILE, instead define
+ * your sysctl with SYSCTL_INT, SYSCTL_PROC etc. in your source file.
*/
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <sys/aio_kern.h>
+#include <sys/reboot.h>
+#include <sys/memory_maintenance.h>
+#include <sys/priv.h>
+#include <stdatomic.h>
-#include <bsm/audit_kernel.h>
+#include <security/audit/audit.h>
+#include <kern/kalloc.h>
+#include <machine/smp.h>
#include <mach/machine.h>
+#include <mach/mach_host.h>
#include <mach/mach_types.h>
+#include <mach/processor_info.h>
#include <mach/vm_param.h>
+#include <kern/debug.h>
+#include <kern/mach_param.h>
#include <kern/task.h>
-#include <kern/lock.h>
+#include <kern/thread.h>
+#include <kern/thread_group.h>
+#include <kern/processor.h>
+#include <kern/cpu_number.h>
+#include <kern/debug.h>
+#include <kern/sched_prim.h>
#include <vm/vm_kern.h>
#include <vm/vm_map.h>
#include <mach/host_info.h>
-extern vm_map_t bsd_pageable_map;
-
#include <sys/mount_internal.h>
#include <sys/kdebug.h>
-#include <sys/sysproto.h>
#include <IOKit/IOPlatformExpert.h>
#include <pexpert/pexpert.h>
#include <machine/exec.h>
#include <vm/vm_protos.h>
+#include <vm/vm_pageout.h>
+#include <vm/vm_compressor_algorithms.h>
+#include <sys/imgsrc.h>
+#include <kern/timer_call.h>
-#ifdef __i386__
+#if defined(__i386__) || defined(__x86_64__)
#include <i386/cpuid.h>
#endif
-sysctlfn kern_sysctl;
-#ifdef DEBUG
-sysctlfn debug_sysctl;
+#if CONFIG_FREEZE
+#include <sys/kern_memorystatus.h>
+#endif
+
+#if KPERF
+#include <kperf/kperf.h>
+#endif
+
+#if HYPERVISOR
+#include <kern/hv_support.h>
#endif
-extern sysctlfn vm_sysctl;
-extern sysctlfn vfs_sysctl;
-extern sysctlfn net_sysctl;
-extern sysctlfn cpu_sysctl;
+
+/*
+ * deliberately setting max requests to really high number
+ * so that runaway settings do not cause MALLOC overflows
+ */
+#define AIO_MAX_REQUESTS (128 * CONFIG_AIO_MAX)
+
extern int aio_max_requests;
extern int aio_max_requests_per_process;
extern int aio_worker_threads;
-extern int maxfilesperproc;
extern int lowpri_IO_window_msecs;
extern int lowpri_IO_delay_msecs;
extern int nx_enabled;
+extern int speculative_reads_disabled;
+extern unsigned int speculative_prefetch_max;
+extern unsigned int speculative_prefetch_max_iosize;
+extern unsigned int preheat_max_bytes;
+extern unsigned int preheat_min_bytes;
+extern long numvnodes;
+
+extern uuid_string_t bootsessionuuid_string;
+
+extern unsigned int vm_max_delayed_work_limit;
+extern unsigned int vm_max_batch;
+
+extern unsigned int vm_page_free_min;
+extern unsigned int vm_page_free_target;
+extern unsigned int vm_page_free_reserved;
+extern unsigned int vm_page_speculative_percentage;
+extern unsigned int vm_page_speculative_q_age_ms;
+
+#if (DEVELOPMENT || DEBUG)
+extern uint32_t vm_page_creation_throttled_hard;
+extern uint32_t vm_page_creation_throttled_soft;
+#endif /* DEVELOPMENT || DEBUG */
+
+/*
+ * Conditionally allow dtrace to see these functions for debugging purposes.
+ */
+#ifdef STATIC
+#undef STATIC
+#endif
+#if 0
+#define STATIC
+#else
+#define STATIC static
+#endif
+
+extern boolean_t mach_timer_coalescing_enabled;
+
+extern uint64_t timer_deadline_tracking_bin_1, timer_deadline_tracking_bin_2;
+
+STATIC void
+fill_user32_eproc(proc_t, struct user32_eproc *__restrict);
+STATIC void
+fill_user32_externproc(proc_t, struct user32_extern_proc *__restrict);
+STATIC void
+fill_user64_eproc(proc_t, struct user64_eproc *__restrict);
+STATIC void
+fill_user64_proc(proc_t, struct user64_kinfo_proc *__restrict);
+STATIC void
+fill_user64_externproc(proc_t, struct user64_extern_proc *__restrict);
+STATIC void
+fill_user32_proc(proc_t, struct user32_kinfo_proc *__restrict);
-static void
-fill_eproc(struct proc *p, struct eproc *ep);
-static void
-fill_externproc(struct proc *p, struct extern_proc *exp);
-static void
-fill_user_eproc(struct proc *p, struct user_eproc *ep);
-static void
-fill_user_proc(struct proc *p, struct user_kinfo_proc *kp);
-static void
-fill_user_externproc(struct proc *p, struct user_extern_proc *exp);
extern int
kdbg_control(int *name, u_int namelen, user_addr_t where, size_t * sizep);
-int
-kdebug_ops(int *name, u_int namelen, user_addr_t where, size_t *sizep, struct proc *p);
#if NFSCLIENT
extern int
netboot_root(void);
#endif
int
pcsamples_ops(int *name, u_int namelen, user_addr_t where, size_t *sizep,
- struct proc *p);
-__private_extern__ kern_return_t
-reset_vmobjectcache(unsigned int val1, unsigned int val2);
-extern int
-resize_namecache(u_int newsize);
-static int
-sysctl_aiomax(user_addr_t oldp, size_t *oldlenp, user_addr_t newp, size_t newlen);
-static int
-sysctl_aioprocmax(user_addr_t oldp, size_t *oldlenp, user_addr_t newp, size_t newlen);
-static int
-sysctl_aiothreads(user_addr_t oldp, size_t *oldlenp, user_addr_t newp, size_t newlen);
-extern int
-sysctl_clockrate(user_addr_t where, size_t *sizep);
-int
-sysctl_doproc(int *name, u_int namelen, user_addr_t where, size_t *sizep);
-int
-sysctl_doprof(int *name, u_int namelen, user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen);
-int
-sysctl_file(user_addr_t where, size_t *sizep);
-static void
-fill_proc(struct proc *p, struct kinfo_proc *kp);
-static int
-sysctl_maxfilesperproc(user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen);
-static int
-sysctl_maxprocperuid(user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen);
-static int
-sysctl_maxproc(user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen);
+ proc_t p);
int
sysctl_procargs(int *name, u_int namelen, user_addr_t where,
- size_t *sizep, struct proc *cur_proc);
-static int
-sysctl_procargs2(int *name, u_int namelen, user_addr_t where, size_t *sizep,
- struct proc *cur_proc);
-static int
+ size_t *sizep, proc_t cur_proc);
+STATIC int
sysctl_procargsx(int *name, u_int namelen, user_addr_t where, size_t *sizep,
- struct proc *cur_proc, int argc_yes);
+ proc_t cur_proc, int argc_yes);
int
sysctl_struct(user_addr_t oldp, size_t *oldlenp, user_addr_t newp,
size_t newlen, void *sp, int len);
-extern int
-sysctl_vnode(user_addr_t where, size_t *sizep);
+STATIC int sysdoproc_filt_KERN_PROC_PID(proc_t p, void * arg);
+STATIC int sysdoproc_filt_KERN_PROC_PGRP(proc_t p, void * arg);
+STATIC int sysdoproc_filt_KERN_PROC_TTY(proc_t p, void * arg);
+STATIC int sysdoproc_filt_KERN_PROC_UID(proc_t p, void * arg);
+STATIC int sysdoproc_filt_KERN_PROC_RUID(proc_t p, void * arg);
+int sysdoproc_callback(proc_t p, void *arg);
+
+
+/* forward declarations for non-static STATIC */
+STATIC void fill_loadavg64(struct loadavg *la, struct user64_loadavg *la64);
+STATIC void fill_loadavg32(struct loadavg *la, struct user32_loadavg *la32);
+STATIC int sysctl_handle_kern_threadname(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_sched_stats(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_sched_stats_enable(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_kdebug_ops SYSCTL_HANDLER_ARGS;
+#if COUNT_SYSCALLS
+STATIC int sysctl_docountsyscalls SYSCTL_HANDLER_ARGS;
+#endif /* COUNT_SYSCALLS */
+#if !CONFIG_EMBEDDED
+STATIC int sysctl_doprocargs SYSCTL_HANDLER_ARGS;
+#endif /* !CONFIG_EMBEDDED */
+STATIC int sysctl_doprocargs2 SYSCTL_HANDLER_ARGS;
+STATIC int sysctl_prochandle SYSCTL_HANDLER_ARGS;
+STATIC int sysctl_aiomax(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_aioprocmax(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_aiothreads(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_maxproc(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_osversion(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_sysctl_bootargs(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_maxvnodes(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_securelvl(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_domainname(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_hostname(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_procname(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_boottime(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_symfile(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+#if NFSCLIENT
+STATIC int sysctl_netboot(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+#endif
+#ifdef CONFIG_IMGSRC_ACCESS
+STATIC int sysctl_imgsrcdev(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+#endif
+STATIC int sysctl_usrstack(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_usrstack64(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+#if CONFIG_COREDUMP
+STATIC int sysctl_coredump(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_suid_coredump(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+#endif
+STATIC int sysctl_delayterm(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_rage_vnode(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_kern_check_openevt(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_nx(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_loadavg(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_vm_toggle_address_reuse(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_swapusage(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int fetch_process_cputype( proc_t cur_proc, int *name, u_int namelen, cpu_type_t *cputype);
+STATIC int sysctl_sysctl_native(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_sysctl_cputype(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_safeboot(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_singleuser(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_minimalboot(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+STATIC int sysctl_slide(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
+
+
+extern void IORegistrySetOSBuildVersion(char * build_version);
+
+STATIC void
+fill_loadavg64(struct loadavg *la, struct user64_loadavg *la64)
+{
+ la64->ldavg[0] = la->ldavg[0];
+ la64->ldavg[1] = la->ldavg[1];
+ la64->ldavg[2] = la->ldavg[2];
+ la64->fscale = (user64_long_t)la->fscale;
+}
+
+STATIC void
+fill_loadavg32(struct loadavg *la, struct user32_loadavg *la32)
+{
+ la32->ldavg[0] = la->ldavg[0];
+ la32->ldavg[1] = la->ldavg[1];
+ la32->ldavg[2] = la->ldavg[2];
+ la32->fscale = (user32_long_t)la->fscale;
+}
+#if CONFIG_COREDUMP
/*
- * temporary location for vm_sysctl. This should be machine independant
+ * Attributes stored in the kernel.
*/
-
-extern uint32_t mach_factor[3];
+extern char corefilename[MAXPATHLEN+1];
+extern int do_coredump;
+extern int sugid_coredump;
+#endif
-static void
-loadavg32to64(struct loadavg *la32, struct user_loadavg *la64)
+#if COUNT_SYSCALLS
+extern int do_count_syscalls;
+#endif
+
+#ifdef INSECURE
+int securelevel = -1;
+#else
+int securelevel;
+#endif
+
+STATIC int
+sysctl_handle_kern_threadname( __unused struct sysctl_oid *oidp, __unused void *arg1,
+ __unused int arg2, struct sysctl_req *req)
{
- la64->ldavg[0] = la32->ldavg[0];
- la64->ldavg[1] = la32->ldavg[1];
- la64->ldavg[2] = la32->ldavg[2];
- la64->fscale = (user_long_t)la32->fscale;
-}
+ int error;
+ struct uthread *ut = get_bsdthread_info(current_thread());
+ user_addr_t oldp=0, newp=0;
+ size_t *oldlenp=NULL;
+ size_t newlen=0;
+
+ oldp = req->oldptr;
+ oldlenp = &(req->oldlen);
+ newp = req->newptr;
+ newlen = req->newlen;
+
+ /* We want the current length, and maybe the string itself */
+ if(oldlenp) {
+ /* if we have no thread name yet tell'em we want MAXTHREADNAMESIZE - 1 */
+ size_t currlen = MAXTHREADNAMESIZE - 1;
+
+ if(ut->pth_name)
+ /* use length of current thread name */
+ currlen = strlen(ut->pth_name);
+ if(oldp) {
+ if(*oldlenp < currlen)
+ return ENOMEM;
+ /* NOTE - we do not copy the NULL terminator */
+ if(ut->pth_name) {
+ error = copyout(ut->pth_name,oldp,currlen);
+ if(error)
+ return error;
+ }
+ }
+ /* return length of thread name minus NULL terminator (just like strlen) */
+ req->oldidx = currlen;
+ }
-int
-vm_sysctl(int *name, __unused u_int namelen, user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen, __unused struct proc *p)
-{
- struct loadavg loadinfo;
-
- switch (name[0]) {
- case VM_LOADAVG:
- if (proc_is64bit(p)) {
- struct user_loadavg loadinfo64;
- loadavg32to64(&averunnable, &loadinfo64);
- return (sysctl_struct(oldp, oldlenp, newp, newlen,
- &loadinfo64, sizeof(loadinfo64)));
- } else {
- return (sysctl_struct(oldp, oldlenp, newp, newlen,
- &averunnable, sizeof(struct loadavg)));
- }
- case VM_MACHFACTOR:
- loadinfo.ldavg[0] = mach_factor[0];
- loadinfo.ldavg[1] = mach_factor[1];
- loadinfo.ldavg[2] = mach_factor[2];
- loadinfo.fscale = LSCALE;
- if (proc_is64bit(p)) {
- struct user_loadavg loadinfo64;
- loadavg32to64(&loadinfo, &loadinfo64);
- return (sysctl_struct(oldp, oldlenp, newp, newlen,
- &loadinfo64, sizeof(loadinfo64)));
+ /* We want to set the name to something */
+ if(newp)
+ {
+ if(newlen > (MAXTHREADNAMESIZE - 1))
+ return ENAMETOOLONG;
+ if(!ut->pth_name)
+ {
+ ut->pth_name = (char*)kalloc( MAXTHREADNAMESIZE );
+ if(!ut->pth_name)
+ return ENOMEM;
} else {
- return (sysctl_struct(oldp, oldlenp, newp, newlen,
- &loadinfo, sizeof(struct loadavg)));
+ kernel_debug_string_simple(TRACE_STRING_THREADNAME_PREV, ut->pth_name);
}
- case VM_SWAPUSAGE: {
- int error;
- uint64_t swap_total;
- uint64_t swap_avail;
- uint32_t swap_pagesize;
- boolean_t swap_encrypted;
- struct xsw_usage xsu;
-
- error = macx_swapinfo(&swap_total,
- &swap_avail,
- &swap_pagesize,
- &swap_encrypted);
- if (error)
+ bzero(ut->pth_name, MAXTHREADNAMESIZE);
+ error = copyin(newp, ut->pth_name, newlen);
+ if (error) {
return error;
+ }
- xsu.xsu_total = swap_total;
- xsu.xsu_avail = swap_avail;
- xsu.xsu_used = swap_total - swap_avail;
- xsu.xsu_pagesize = swap_pagesize;
- xsu.xsu_encrypted = swap_encrypted;
- return sysctl_struct(oldp, oldlenp, newp, newlen,
- &xsu, sizeof (struct xsw_usage));
- }
- case VM_METER:
- return (ENOTSUP);
- case VM_MAXID:
- return (ENOTSUP);
- default:
- return (ENOTSUP);
+ kernel_debug_string_simple(TRACE_STRING_THREADNAME, ut->pth_name);
}
- /* NOTREACHED */
- return (ENOTSUP);
+
+ return 0;
}
-/*
- * Locking and stats
- */
-static struct sysctl_lock {
- int sl_lock;
- int sl_want;
- int sl_locked;
-} memlock;
+SYSCTL_PROC(_kern, KERN_THREADNAME, threadname, CTLFLAG_ANYBODY | CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED, 0, 0, sysctl_handle_kern_threadname,"A","");
-int
-__sysctl(struct proc *p, struct __sysctl_args *uap, __unused register_t *retval)
+#define BSD_HOST 1
+STATIC int
+sysctl_sched_stats(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
{
- int error, dolock = 1;
- size_t savelen = 0, oldlen = 0, newlen;
- sysctlfn *fnp = NULL;
- int name[CTL_MAXNAME];
- int i;
- int error1;
+ host_basic_info_data_t hinfo;
+ kern_return_t kret;
+ uint32_t size;
+ int changed;
+ mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
+ struct _processor_statistics_np *buf;
+ int error;
- /*
- * all top-level sysctl names are non-terminal
- */
- if (uap->namelen > CTL_MAXNAME || uap->namelen < 2)
- return (EINVAL);
- error = copyin(uap->name, &name[0], uap->namelen * sizeof(int));
- if (error)
- return (error);
-
- AUDIT_ARG(ctlname, name, uap->namelen);
+ kret = host_info((host_t)BSD_HOST, HOST_BASIC_INFO, (host_info_t)&hinfo, &count);
+ if (kret != KERN_SUCCESS) {
+ return EINVAL;
+ }
- if (proc_is64bit(p)) {
- /* uap->newlen is a size_t value which grows to 64 bits
- * when coming from a 64-bit process. since it's doubtful we'll
- * have a sysctl newp buffer greater than 4GB we shrink it to size_t
- */
- newlen = CAST_DOWN(size_t, uap->newlen);
+ size = sizeof(struct _processor_statistics_np) * (hinfo.logical_cpu_max + 2); /* One for RT Queue, One for Fair Share Queue */
+
+ if (req->oldlen < size) {
+ return EINVAL;
}
- else {
- newlen = uap->newlen;
+
+ MALLOC(buf, struct _processor_statistics_np*, size, M_TEMP, M_ZERO | M_WAITOK);
+
+ kret = get_sched_statistics(buf, &size);
+ if (kret != KERN_SUCCESS) {
+ error = EINVAL;
+ goto out;
}
- /* CTL_UNSPEC is used to get oid to AUTO_OID */
- if (uap->new != USER_ADDR_NULL
- && ((name[0] == CTL_KERN
- && !(name[1] == KERN_IPC || name[1] == KERN_PANICINFO || name[1] == KERN_PROCDELAYTERM ||
- name[1] == KERN_PROC_LOW_PRI_IO || name[1] == KERN_PROCNAME || name[1] == KERN_THALTSTACK))
- || (name[0] == CTL_HW)
- || (name[0] == CTL_VM)
- || (name[0] == CTL_VFS))
- && (error = suser(kauth_cred_get(), &p->p_acflag)))
- return (error);
+ error = sysctl_io_opaque(req, buf, size, &changed);
+ if (error) {
+ goto out;
+ }
- switch (name[0]) {
- case CTL_KERN:
- fnp = kern_sysctl;
- if ((name[1] != KERN_VNODE) && (name[1] != KERN_FILE)
- && (name[1] != KERN_PROC))
- dolock = 0;
- break;
- case CTL_VM:
- fnp = vm_sysctl;
- break;
-
- case CTL_VFS:
- fnp = vfs_sysctl;
- break;
-#ifdef DEBUG
- case CTL_DEBUG:
- fnp = debug_sysctl;
- break;
-#endif
- default:
- fnp = NULL;
+ if (changed) {
+ panic("Sched info changed?!");
}
+out:
+ FREE(buf, M_TEMP);
+ return error;
+}
- if (uap->oldlenp != USER_ADDR_NULL) {
- uint64_t oldlen64 = fuulong(uap->oldlenp);
+SYSCTL_PROC(_kern, OID_AUTO, sched_stats, CTLFLAG_LOCKED, 0, 0, sysctl_sched_stats, "-", "");
- oldlen = CAST_DOWN(size_t, oldlen64);
- /*
- * If more than 4G, clamp to 4G - useracc() below will catch
- * with an EFAULT, if it's actually necessary.
- */
- if (oldlen64 > 0x00000000ffffffffULL)
- oldlen = 0xffffffffUL;
- }
-
- if (uap->old != USER_ADDR_NULL) {
- if (!useracc(uap->old, (user_size_t)oldlen, B_WRITE))
- return (EFAULT);
-
- /* The pc sampling mechanism does not need to take this lock */
- if ((name[1] != KERN_PCSAMPLES) &&
- (!((name[1] == KERN_KDEBUG) && (name[2] == KERN_KDGETENTROPY)))) {
- while (memlock.sl_lock) {
- memlock.sl_want = 1;
- sleep((caddr_t)&memlock, PRIBIO+1);
- memlock.sl_locked++;
- }
- memlock.sl_lock = 1;
- }
+STATIC int
+sysctl_sched_stats_enable(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, __unused struct sysctl_req *req)
+{
+ boolean_t active;
+ int res;
- if (dolock && oldlen &&
- (error = vslock(uap->old, (user_size_t)oldlen))) {
- if ((name[1] != KERN_PCSAMPLES) &&
- (! ((name[1] == KERN_KDEBUG) && (name[2] == KERN_KDGETENTROPY)))) {
- memlock.sl_lock = 0;
- if (memlock.sl_want) {
- memlock.sl_want = 0;
- wakeup((caddr_t)&memlock);
- }
- }
- return(error);
- }
- savelen = oldlen;
+ if (req->newlen != sizeof(active)) {
+ return EINVAL;
}
- if (fnp) {
- error = (*fnp)(name + 1, uap->namelen - 1, uap->old,
- &oldlen, uap->new, newlen, p);
+ res = copyin(req->newptr, &active, sizeof(active));
+ if (res != 0) {
+ return res;
}
- else
- error = ENOTSUP;
- if ( (name[0] != CTL_VFS) && (error == ENOTSUP)) {
- size_t tmp = oldlen;
- error = userland_sysctl(p, name, uap->namelen, uap->old, &tmp,
- 1, uap->new, newlen, &oldlen);
- }
+ return set_sched_stats_active(active);
+}
+
+SYSCTL_PROC(_kern, OID_AUTO, sched_stats_enable, CTLFLAG_LOCKED | CTLFLAG_WR, 0, 0, sysctl_sched_stats_enable, "-", "");
+
+extern uint32_t sched_debug_flags;
+SYSCTL_INT(_debug, OID_AUTO, sched, CTLFLAG_RW | CTLFLAG_LOCKED, &sched_debug_flags, 0, "scheduler debug");
+
+#if (DEBUG || DEVELOPMENT)
+extern boolean_t doprnt_hide_pointers;
+SYSCTL_INT(_debug, OID_AUTO, hide_kernel_pointers, CTLFLAG_RW | CTLFLAG_LOCKED, &doprnt_hide_pointers, 0, "hide kernel pointers from log");
+#endif
- if (uap->old != USER_ADDR_NULL) {
- if (dolock && savelen) {
- error1 = vsunlock(uap->old, (user_size_t)savelen, B_WRITE);
- if (!error && error1)
- error = error1;
+extern int get_kernel_symfile(proc_t, char **);
+
+#if COUNT_SYSCALLS
+#define KERN_COUNT_SYSCALLS (KERN_OSTYPE + 1000)
+
+extern unsigned int nsysent;
+extern int syscalls_log[];
+extern const char *syscallnames[];
+
+STATIC int
+sysctl_docountsyscalls SYSCTL_HANDLER_ARGS
+{
+ __unused int cmd = oidp->oid_arg2; /* subcommand*/
+ __unused int *name = arg1; /* oid element argument vector */
+ __unused int namelen = arg2; /* number of oid element arguments */
+ user_addr_t oldp = req->oldptr; /* user buffer copy out address */
+ size_t *oldlenp = &req->oldlen; /* user buffer copy out size */
+ user_addr_t newp = req->newptr; /* user buffer copy in address */
+ size_t newlen = req->newlen; /* user buffer copy in size */
+ int error;
+
+ int tmp;
+
+ /* valid values passed in:
+ * = 0 means don't keep called counts for each bsd syscall
+ * > 0 means keep called counts for each bsd syscall
+ * = 2 means dump current counts to the system log
+ * = 3 means reset all counts
+ * for example, to dump current counts:
+ * sysctl -w kern.count_calls=2
+ */
+ error = sysctl_int(oldp, oldlenp, newp, newlen, &tmp);
+ if ( error != 0 ) {
+ return (error);
+ }
+
+ if ( tmp == 1 ) {
+ do_count_syscalls = 1;
+ }
+ else if ( tmp == 0 || tmp == 2 || tmp == 3 ) {
+ int i;
+ for ( i = 0; i < nsysent; i++ ) {
+ if ( syscalls_log[i] != 0 ) {
+ if ( tmp == 2 ) {
+ printf("%d calls - name %s \n", syscalls_log[i], syscallnames[i]);
+ }
+ else {
+ syscalls_log[i] = 0;
+ }
+ }
}
- if (name[1] != KERN_PCSAMPLES) {
- memlock.sl_lock = 0;
- if (memlock.sl_want) {
- memlock.sl_want = 0;
- wakeup((caddr_t)&memlock);
- }
+ if ( tmp != 0 ) {
+ do_count_syscalls = 1;
}
}
- if ((error) && (error != ENOMEM))
- return (error);
- if (uap->oldlenp != USER_ADDR_NULL) {
- i = suulong(uap->oldlenp, oldlen);
- if (i)
- return i;
- }
+ /* adjust index so we return the right required/consumed amount */
+ if (!error)
+ req->oldidx += req->oldlen;
return (error);
}
+SYSCTL_PROC(_kern, KERN_COUNT_SYSCALLS, count_syscalls, CTLTYPE_NODE|CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, /* Pointer argument (arg1) */
+ 0, /* Integer argument (arg2) */
+ sysctl_docountsyscalls, /* Handler function */
+ NULL, /* Data pointer */
+ "");
+#endif /* COUNT_SYSCALLS */
/*
- * Attributes stored in the kernel.
+ * The following sysctl_* functions should not be used
+ * any more, as they can only cope with callers in
+ * user mode: Use new-style
+ * sysctl_io_number()
+ * sysctl_io_string()
+ * sysctl_io_opaque()
+ * instead.
*/
-__private_extern__ char corefilename[MAXPATHLEN+1];
-__private_extern__ int do_coredump;
-__private_extern__ int sugid_coredump;
-
-#ifdef INSECURE
-int securelevel = -1;
-#else
-int securelevel;
-#endif
+/*
+ * Validate parameters and get old / set new parameters
+ * for an integer-valued sysctl function.
+ */
+int
+sysctl_int(user_addr_t oldp, size_t *oldlenp,
+ user_addr_t newp, size_t newlen, int *valp)
+{
+ int error = 0;
-static int
-sysctl_affinity(
- int *name,
- u_int namelen,
- user_addr_t oldBuf,
- size_t *oldSize,
- user_addr_t newBuf,
- __unused size_t newSize,
- struct proc *cur_proc)
-{
- if (namelen < 1)
- return (ENOTSUP);
-
- if (name[0] == 0 && 1 == namelen) {
- return sysctl_rdint(oldBuf, oldSize, newBuf,
- (cur_proc->p_flag & P_AFFINITY) ? 1 : 0);
- } else if (name[0] == 1 && 2 == namelen) {
- if (name[1] == 0) {
- cur_proc->p_flag &= ~P_AFFINITY;
- } else {
- cur_proc->p_flag |= P_AFFINITY;
- }
- return 0;
+ if (oldp != USER_ADDR_NULL && oldlenp == NULL)
+ return (EFAULT);
+ if (oldp && *oldlenp < sizeof(int))
+ return (ENOMEM);
+ if (newp && newlen != sizeof(int))
+ return (EINVAL);
+ *oldlenp = sizeof(int);
+ if (oldp)
+ error = copyout(valp, oldp, sizeof(int));
+ if (error == 0 && newp) {
+ error = copyin(newp, valp, sizeof(int));
+ AUDIT_ARG(value32, *valp);
}
- return (ENOTSUP);
+ return (error);
}
-
-static int
-sysctl_translate(
- int *name,
- u_int namelen,
- user_addr_t oldBuf,
- size_t *oldSize,
- user_addr_t newBuf,
- __unused size_t newSize,
- struct proc *cur_proc)
+/*
+ * Validate parameters and get old / set new parameters
+ * for an quad(64bit)-valued sysctl function.
+ */
+int
+sysctl_quad(user_addr_t oldp, size_t *oldlenp,
+ user_addr_t newp, size_t newlen, quad_t *valp)
{
- struct proc *p;
-
- if (namelen != 1)
- return (ENOTSUP);
+ int error = 0;
- p = pfind(name[0]);
- if (p == NULL)
+ if (oldp != USER_ADDR_NULL && oldlenp == NULL)
+ return (EFAULT);
+ if (oldp && *oldlenp < sizeof(quad_t))
+ return (ENOMEM);
+ if (newp && newlen != sizeof(quad_t))
return (EINVAL);
+ *oldlenp = sizeof(quad_t);
+ if (oldp)
+ error = copyout(valp, oldp, sizeof(quad_t));
+ if (error == 0 && newp)
+ error = copyin(newp, valp, sizeof(quad_t));
+ return (error);
+}
- if ((kauth_cred_getuid(p->p_ucred) != kauth_cred_getuid(kauth_cred_get()))
- && suser(kauth_cred_get(), &cur_proc->p_acflag))
- return (EPERM);
+STATIC int
+sysdoproc_filt_KERN_PROC_PID(proc_t p, void * arg)
+{
+ if (p->p_pid != (pid_t)*(int*)arg)
+ return(0);
+ else
+ return(1);
+}
- return sysctl_rdint(oldBuf, oldSize, newBuf,
- (p->p_flag & P_TRANSLATED) ? 1 : 0);
+STATIC int
+sysdoproc_filt_KERN_PROC_PGRP(proc_t p, void * arg)
+{
+ if (p->p_pgrpid != (pid_t)*(int*)arg)
+ return(0);
+ else
+ return(1);
}
-int
-set_archhandler(struct proc *p, int arch)
+STATIC int
+sysdoproc_filt_KERN_PROC_TTY(proc_t p, void * arg)
{
- int error;
- struct nameidata nd;
- struct vnode_attr va;
- struct vfs_context context;
- char *archhandler;
-
- switch(arch) {
- case CPU_TYPE_POWERPC:
- archhandler = exec_archhandler_ppc.path;
- break;
- default:
- return (EBADARCH);
- }
+ int retval;
+ struct tty *tp;
+
+ /* This is very racy but list lock is held.. Hmmm. */
+ if ((p->p_flag & P_CONTROLT) == 0 ||
+ (p->p_pgrp == NULL) || (p->p_pgrp->pg_session == NULL) ||
+ (tp = SESSION_TP(p->p_pgrp->pg_session)) == TTY_NULL ||
+ tp->t_dev != (dev_t)*(int*)arg)
+ retval = 0;
+ else
+ retval = 1;
- context.vc_proc = p;
- context.vc_ucred = kauth_cred_get();
-
- NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE32,
- CAST_USER_ADDR_T(archhandler), &context);
- error = namei(&nd);
- if (error)
- return (error);
- nameidone(&nd);
-
- /* Check mount point */
- if ((nd.ni_vp->v_mount->mnt_flag & MNT_NOEXEC) ||
- (nd.ni_vp->v_type != VREG)) {
- vnode_put(nd.ni_vp);
- return (EACCES);
- }
-
- VATTR_INIT(&va);
- VATTR_WANTED(&va, va_fsid);
- VATTR_WANTED(&va, va_fileid);
- error = vnode_getattr(nd.ni_vp, &va, &context);
- if (error) {
- vnode_put(nd.ni_vp);
- return (error);
- }
- vnode_put(nd.ni_vp);
-
- exec_archhandler_ppc.fsid = va.va_fsid;
- exec_archhandler_ppc.fileid = (u_long)va.va_fileid;
- return 0;
+ return(retval);
}
-static int
-sysctl_exec_archhandler_ppc(
- __unused int *name,
- __unused u_int namelen,
- user_addr_t oldBuf,
- size_t *oldSize,
- user_addr_t newBuf,
- size_t newSize,
- struct proc *p)
+STATIC int
+sysdoproc_filt_KERN_PROC_UID(proc_t p, void * arg)
{
- int error;
- size_t len;
- struct nameidata nd;
- struct vnode_attr va;
- char handler[sizeof(exec_archhandler_ppc.path)];
- struct vfs_context context;
-
- context.vc_proc = p;
- context.vc_ucred = kauth_cred_get();
-
- if (oldSize) {
- len = strlen(exec_archhandler_ppc.path) + 1;
- if (oldBuf) {
- if (*oldSize < len)
- return (ENOMEM);
- error = copyout(exec_archhandler_ppc.path, oldBuf, len);
- if (error)
- return (error);
- }
- *oldSize = len - 1;
- }
- if (newBuf) {
- error = suser(context.vc_ucred, &p->p_acflag);
- if (error)
- return (error);
- if (newSize >= sizeof(exec_archhandler_ppc.path))
- return (ENAMETOOLONG);
- error = copyin(newBuf, handler, newSize);
- if (error)
- return (error);
- handler[newSize] = 0;
- strcpy(exec_archhandler_ppc.path, handler);
- error = set_archhandler(p, CPU_TYPE_POWERPC);
- if (error)
- return (error);
- }
- return 0;
+ kauth_cred_t my_cred;
+ uid_t uid;
+
+ if (p->p_ucred == NULL)
+ return(0);
+ my_cred = kauth_cred_proc_ref(p);
+ uid = kauth_cred_getuid(my_cred);
+ kauth_cred_unref(&my_cred);
+
+ if (uid != (uid_t)*(int*)arg)
+ return(0);
+ else
+ return(1);
}
-SYSCTL_NODE(_kern, KERN_EXEC, exec, CTLFLAG_RD, 0, "");
-SYSCTL_NODE(_kern_exec, OID_AUTO, archhandler, CTLFLAG_RD, 0, "");
+STATIC int
+sysdoproc_filt_KERN_PROC_RUID(proc_t p, void * arg)
+{
+ kauth_cred_t my_cred;
+ uid_t ruid;
-SYSCTL_STRING(_kern_exec_archhandler, OID_AUTO, powerpc, CTLFLAG_RD,
- exec_archhandler_ppc.path, 0, "");
+ if (p->p_ucred == NULL)
+ return(0);
+ my_cred = kauth_cred_proc_ref(p);
+ ruid = kauth_cred_getruid(my_cred);
+ kauth_cred_unref(&my_cred);
-extern int get_kernel_symfile( struct proc *, char **);
-__private_extern__ int
-sysctl_dopanicinfo(int *, u_int, user_addr_t, size_t *, user_addr_t,
- size_t, struct proc *);
+ if (ruid != (uid_t)*(int*)arg)
+ return(0);
+ else
+ return(1);
+}
/*
- * kernel related system variables.
+ * try over estimating by 5 procs
*/
+#define KERN_PROCSLOP (5 * sizeof (struct kinfo_proc))
+struct sysdoproc_args {
+ int buflen;
+ void *kprocp;
+ boolean_t is_64_bit;
+ user_addr_t dp;
+ size_t needed;
+ int sizeof_kproc;
+ int *errorp;
+ int uidcheck;
+ int ruidcheck;
+ int ttycheck;
+ int uidval;
+};
+
int
-kern_sysctl(int *name, u_int namelen, user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen, struct proc *p)
+sysdoproc_callback(proc_t p, void *arg)
{
- int error, level, inthostid, tmp;
- unsigned int oldval=0;
- char *str;
- /* all sysctl names not listed below are terminal at this level */
- if (namelen != 1
- && !(name[0] == KERN_PROC
- || name[0] == KERN_PROF
- || name[0] == KERN_KDEBUG
- || name[0] == KERN_PROCARGS
- || name[0] == KERN_PROCARGS2
- || name[0] == KERN_PCSAMPLES
- || name[0] == KERN_IPC
- || name[0] == KERN_SYSV
- || name[0] == KERN_AFFINITY
- || name[0] == KERN_TRANSLATE
- || name[0] == KERN_EXEC
- || name[0] == KERN_PANICINFO
- || name[0] == KERN_POSIX
- || name[0] == KERN_TFP)
- )
- return (ENOTDIR); /* overloaded */
-
- switch (name[0]) {
- case KERN_OSTYPE:
- return (sysctl_rdstring(oldp, oldlenp, newp, ostype));
- case KERN_OSRELEASE:
- return (sysctl_rdstring(oldp, oldlenp, newp, osrelease));
- case KERN_OSREV:
- return (sysctl_rdint(oldp, oldlenp, newp, BSD));
- case KERN_VERSION:
- return (sysctl_rdstring(oldp, oldlenp, newp, version));
- case KERN_MAXVNODES:
- oldval = desiredvnodes;
- error = sysctl_int(oldp, oldlenp, newp,
- newlen, &desiredvnodes);
- reset_vmobjectcache(oldval, desiredvnodes);
- resize_namecache(desiredvnodes);
- return(error);
- case KERN_MAXPROC:
- return (sysctl_maxproc(oldp, oldlenp, newp, newlen));
- case KERN_MAXFILES:
- return (sysctl_int(oldp, oldlenp, newp, newlen, &maxfiles));
- case KERN_MAXPROCPERUID:
- return( sysctl_maxprocperuid( oldp, oldlenp, newp, newlen ) );
- case KERN_MAXFILESPERPROC:
- return( sysctl_maxfilesperproc( oldp, oldlenp, newp, newlen ) );
- case KERN_ARGMAX:
- return (sysctl_rdint(oldp, oldlenp, newp, ARG_MAX));
- case KERN_SECURELVL:
- level = securelevel;
- if ((error = sysctl_int(oldp, oldlenp, newp, newlen, &level)) ||
- newp == USER_ADDR_NULL)
- return (error);
- if (level < securelevel && p->p_pid != 1)
- return (EPERM);
- securelevel = level;
- return (0);
- case KERN_HOSTNAME:
- error = sysctl_trstring(oldp, oldlenp, newp, newlen,
- hostname, sizeof(hostname));
- if (newp && !error)
- hostnamelen = newlen;
- return (error);
- case KERN_DOMAINNAME:
- error = sysctl_string(oldp, oldlenp, newp, newlen,
- domainname, sizeof(domainname));
- if (newp && !error)
- domainnamelen = newlen;
- return (error);
- case KERN_HOSTID:
- inthostid = hostid; /* XXX assumes sizeof long <= sizeof int */
- error = sysctl_int(oldp, oldlenp, newp, newlen, &inthostid);
- hostid = inthostid;
- return (error);
- case KERN_CLOCKRATE:
- return (sysctl_clockrate(oldp, oldlenp));
- case KERN_BOOTTIME:
- {
- struct timeval t;
-
- t.tv_sec = boottime_sec();
- t.tv_usec = 0;
-
- return (sysctl_rdstruct(oldp, oldlenp, newp, &t,
- sizeof(struct timeval)));
- }
- case KERN_VNODE:
- return (sysctl_vnode(oldp, oldlenp));
- case KERN_PROC:
- return (sysctl_doproc(name + 1, namelen - 1, oldp, oldlenp));
- case KERN_FILE:
- return (sysctl_file(oldp, oldlenp));
-#ifdef GPROF
- case KERN_PROF:
- return (sysctl_doprof(name + 1, namelen - 1, oldp, oldlenp,
- newp, newlen));
-#endif
- case KERN_POSIX1:
- return (sysctl_rdint(oldp, oldlenp, newp, _POSIX_VERSION));
- case KERN_NGROUPS:
- return (sysctl_rdint(oldp, oldlenp, newp, NGROUPS_MAX));
- case KERN_JOB_CONTROL:
- return (sysctl_rdint(oldp, oldlenp, newp, 1));
- case KERN_SAVED_IDS:
-#ifdef _POSIX_SAVED_IDS
- return (sysctl_rdint(oldp, oldlenp, newp, 1));
-#else
- return (sysctl_rdint(oldp, oldlenp, newp, 0));
-#endif
- case KERN_KDEBUG:
- return (kdebug_ops(name + 1, namelen - 1, oldp, oldlenp, p));
- case KERN_PCSAMPLES:
- return (pcsamples_ops(name + 1, namelen - 1, oldp, oldlenp, p));
- case KERN_PROCARGS:
- /* new one as it does not use kinfo_proc */
- return (sysctl_procargs(name + 1, namelen - 1, oldp, oldlenp, p));
- case KERN_PROCARGS2:
- /* new one as it does not use kinfo_proc */
- return (sysctl_procargs2(name + 1, namelen - 1, oldp, oldlenp, p));
- case KERN_SYMFILE:
- error = get_kernel_symfile( p, &str );
- if ( error )
- return error;
- return (sysctl_rdstring(oldp, oldlenp, newp, str));
-#if NFSCLIENT
- case KERN_NETBOOT:
- return (sysctl_rdint(oldp, oldlenp, newp, netboot_root()));
-#endif
- case KERN_PANICINFO:
- return(sysctl_dopanicinfo(name + 1, namelen - 1, oldp, oldlenp,
- newp, newlen, p));
- case KERN_AFFINITY:
- return sysctl_affinity(name+1, namelen-1, oldp, oldlenp,
- newp, newlen, p);
- case KERN_TRANSLATE:
- return sysctl_translate(name+1, namelen-1, oldp, oldlenp, newp,
- newlen, p);
- case KERN_CLASSICHANDLER:
- return sysctl_exec_archhandler_ppc(name+1, namelen-1, oldp,
- oldlenp, newp, newlen, p);
- case KERN_AIOMAX:
- return( sysctl_aiomax( oldp, oldlenp, newp, newlen ) );
- case KERN_AIOPROCMAX:
- return( sysctl_aioprocmax( oldp, oldlenp, newp, newlen ) );
- case KERN_AIOTHREADS:
- return( sysctl_aiothreads( oldp, oldlenp, newp, newlen ) );
- case KERN_USRSTACK:
- return (sysctl_rdint(oldp, oldlenp, newp, (uintptr_t)p->user_stack));
- case KERN_USRSTACK64:
- return (sysctl_rdquad(oldp, oldlenp, newp, p->user_stack));
- case KERN_COREFILE:
- error = sysctl_string(oldp, oldlenp, newp, newlen,
- corefilename, sizeof(corefilename));
- return (error);
- case KERN_COREDUMP:
- tmp = do_coredump;
- error = sysctl_int(oldp, oldlenp, newp, newlen, &do_coredump);
- if (!error && ((do_coredump < 0) || (do_coredump > 1))) {
- do_coredump = tmp;
- error = EINVAL;
- }
- return (error);
- case KERN_SUGID_COREDUMP:
- tmp = sugid_coredump;
- error = sysctl_int(oldp, oldlenp, newp, newlen, &sugid_coredump);
- if (!error && ((sugid_coredump < 0) || (sugid_coredump > 1))) {
- sugid_coredump = tmp;
- error = EINVAL;
+ struct sysdoproc_args *args = arg;
+
+ if (args->buflen >= args->sizeof_kproc) {
+ if ((args->ruidcheck != 0) && (sysdoproc_filt_KERN_PROC_RUID(p, &args->uidval) == 0))
+ return (PROC_RETURNED);
+ if ((args->uidcheck != 0) && (sysdoproc_filt_KERN_PROC_UID(p, &args->uidval) == 0))
+ return (PROC_RETURNED);
+ if ((args->ttycheck != 0) && (sysdoproc_filt_KERN_PROC_TTY(p, &args->uidval) == 0))
+ return (PROC_RETURNED);
+
+ bzero(args->kprocp, args->sizeof_kproc);
+ if (args->is_64_bit)
+ fill_user64_proc(p, args->kprocp);
+ else
+ fill_user32_proc(p, args->kprocp);
+ int error = copyout(args->kprocp, args->dp, args->sizeof_kproc);
+ if (error) {
+ *args->errorp = error;
+ return (PROC_RETURNED_DONE);
}
- return (error);
- case KERN_PROCDELAYTERM:
- {
- int old_value, new_value;
-
- error = 0;
- if (oldp && *oldlenp < sizeof(int))
- return (ENOMEM);
- if ( newp && newlen != sizeof(int) )
- return(EINVAL);
- *oldlenp = sizeof(int);
- old_value = (p->p_lflag & P_LDELAYTERM)? 1: 0;
- if (oldp && (error = copyout( &old_value, oldp, sizeof(int))))
- return(error);
- if (error == 0 && newp )
- error = copyin( newp, &new_value, sizeof(int) );
- if (error == 0 && newp) {
- if (new_value)
- p->p_lflag |= P_LDELAYTERM;
- else
- p->p_lflag &= ~P_LDELAYTERM;
- }
- return(error);
+ args->dp += args->sizeof_kproc;
+ args->buflen -= args->sizeof_kproc;
}
- case KERN_PROC_LOW_PRI_IO:
- {
- int old_value, new_value;
+ args->needed += args->sizeof_kproc;
+ return (PROC_RETURNED);
+}
- error = 0;
- if (oldp && *oldlenp < sizeof(int))
- return (ENOMEM);
- if ( newp && newlen != sizeof(int) )
- return(EINVAL);
- *oldlenp = sizeof(int);
-
- old_value = (p->p_lflag & P_LLOW_PRI_IO)? 0x01: 0;
- if (p->p_lflag & P_LBACKGROUND_IO)
- old_value |= 0x02;
-
- if (oldp && (error = copyout( &old_value, oldp, sizeof(int))))
- return(error);
- if (error == 0 && newp )
- error = copyin( newp, &new_value, sizeof(int) );
- if (error == 0 && newp) {
- if (new_value & 0x01)
- p->p_lflag |= P_LLOW_PRI_IO;
- else if (new_value & 0x02)
- p->p_lflag |= P_LBACKGROUND_IO;
- else if (new_value == 0)
- p->p_lflag &= ~(P_LLOW_PRI_IO | P_LBACKGROUND_IO);
- }
- return(error);
- }
- case KERN_LOW_PRI_WINDOW:
- {
- int old_value, new_value;
+SYSCTL_NODE(_kern, KERN_PROC, proc, CTLFLAG_RD | CTLFLAG_LOCKED, 0, "");
+STATIC int
+sysctl_prochandle SYSCTL_HANDLER_ARGS
+{
+ int cmd = oidp->oid_arg2; /* subcommand for multiple nodes */
+ int *name = arg1; /* oid element argument vector */
+ int namelen = arg2; /* number of oid element arguments */
+ user_addr_t where = req->oldptr;/* user buffer copy out address */
- error = 0;
- if (oldp && *oldlenp < sizeof(old_value) )
- return (ENOMEM);
- if ( newp && newlen != sizeof(new_value) )
- return(EINVAL);
- *oldlenp = sizeof(old_value);
-
- old_value = lowpri_IO_window_msecs;
-
- if (oldp && (error = copyout( &old_value, oldp, *oldlenp)))
- return(error);
- if (error == 0 && newp )
- error = copyin( newp, &new_value, sizeof(newlen) );
- if (error == 0 && newp) {
- lowpri_IO_window_msecs = new_value;
- }
- return(error);
- }
- case KERN_LOW_PRI_DELAY:
- {
- int old_value, new_value;
+ user_addr_t dp = where;
+ size_t needed = 0;
+ int buflen = where != USER_ADDR_NULL ? req->oldlen : 0;
+ int error = 0;
+ boolean_t is_64_bit = proc_is64bit(current_proc());
+ struct user32_kinfo_proc user32_kproc;
+ struct user64_kinfo_proc user_kproc;
+ int sizeof_kproc;
+ void *kprocp;
+ int (*filterfn)(proc_t, void *) = 0;
+ struct sysdoproc_args args;
+ int uidcheck = 0;
+ int ruidcheck = 0;
+ int ttycheck = 0;
+ int success = 0;
+
+ if (namelen != 1 && !(namelen == 0 && cmd == KERN_PROC_ALL))
+ return (EINVAL);
- error = 0;
- if (oldp && *oldlenp < sizeof(old_value) )
- return (ENOMEM);
- if ( newp && newlen != sizeof(new_value) )
- return(EINVAL);
- *oldlenp = sizeof(old_value);
-
- old_value = lowpri_IO_delay_msecs;
-
- if (oldp && (error = copyout( &old_value, oldp, *oldlenp)))
- return(error);
- if (error == 0 && newp )
- error = copyin( newp, &new_value, sizeof(newlen) );
- if (error == 0 && newp) {
- lowpri_IO_delay_msecs = new_value;
- }
- return(error);
+ if (is_64_bit) {
+ sizeof_kproc = sizeof(user_kproc);
+ kprocp = &user_kproc;
+ } else {
+ sizeof_kproc = sizeof(user32_kproc);
+ kprocp = &user32_kproc;
}
- case KERN_NX_PROTECTION:
- {
- int old_value, new_value;
- error = 0;
- if (oldp && *oldlenp < sizeof(old_value) )
- return (ENOMEM);
- if ( newp && newlen != sizeof(new_value) )
- return(EINVAL);
- *oldlenp = sizeof(old_value);
+ switch (cmd) {
- old_value = nx_enabled;
+ case KERN_PROC_PID:
+ filterfn = sysdoproc_filt_KERN_PROC_PID;
+ break;
- if (oldp && (error = copyout( &old_value, oldp, *oldlenp)))
- return(error);
-#ifdef __i386__
- /*
- * Only allow setting if NX is supported on the chip
- */
- if (cpuid_extfeatures() & CPUID_EXTFEATURE_XD) {
-#endif
- if (error == 0 && newp)
- error = copyin(newp, &new_value,
- sizeof(newlen));
- if (error == 0 && newp)
- nx_enabled = new_value;
-#ifdef __i386__
- } else if (newp) {
- error = ENOTSUP;
- }
-#endif
- return(error);
- }
- case KERN_SHREG_PRIVATIZABLE:
- /* this kernel does implement shared_region_make_private_np() */
- return (sysctl_rdint(oldp, oldlenp, newp, 1));
- case KERN_PROCNAME:
- error = sysctl_trstring(oldp, oldlenp, newp, newlen,
- &p->p_name[0], (2*MAXCOMLEN+1));
- return (error);
- case KERN_THALTSTACK:
- {
- int old_value, new_value;
+ case KERN_PROC_PGRP:
+ filterfn = sysdoproc_filt_KERN_PROC_PGRP;
+ break;
+
+ case KERN_PROC_TTY:
+ ttycheck = 1;
+ break;
- error = 0;
- if (oldp && *oldlenp < sizeof(int))
- return (ENOMEM);
- if ( newp && newlen != sizeof(int) )
- return(EINVAL);
- *oldlenp = sizeof(int);
- old_value = (p->p_lflag & P_LTHSIGSTACK)? 1: 0;
- if (oldp && (error = copyout( &old_value, oldp, sizeof(int))))
- return(error);
- if (error == 0 && newp )
- error = copyin( newp, &new_value, sizeof(int) );
- if (error == 0 && newp) {
- if (new_value) {
- /* we cannot swich midstream if inuse */
- if ((p->p_sigacts->ps_flags & SAS_ALTSTACK) == SAS_ALTSTACK)
- return(EPERM);
- p->p_lflag |= P_LTHSIGSTACK;
- } else {
- /* we cannot swich midstream */
- if ((p->p_lflag & P_LTHSIGSTACK) == P_LTHSIGSTACK)
- return(EPERM);
- p->p_lflag &= ~P_LTHSIGSTACK;
- }
- }
- return(error);
- }
- default:
- return (ENOTSUP);
- }
- /* NOTREACHED */
-}
+ case KERN_PROC_UID:
+ uidcheck = 1;
+ break;
-#ifdef DEBUG
-/*
- * Debugging related system variables.
- */
-#if DIAGNOSTIC
-extern
-#endif /* DIAGNOSTIC */
-struct ctldebug debug0, debug1;
-struct ctldebug debug2, debug3, debug4;
-struct ctldebug debug5, debug6, debug7, debug8, debug9;
-struct ctldebug debug10, debug11, debug12, debug13, debug14;
-struct ctldebug debug15, debug16, debug17, debug18, debug19;
-static struct ctldebug *debugvars[CTL_DEBUG_MAXID] = {
- &debug0, &debug1, &debug2, &debug3, &debug4,
- &debug5, &debug6, &debug7, &debug8, &debug9,
- &debug10, &debug11, &debug12, &debug13, &debug14,
- &debug15, &debug16, &debug17, &debug18, &debug19,
-};
-int
-debug_sysctl(int *name, u_int namelen, user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen, struct proc *p)
-{
- struct ctldebug *cdp;
-
- /* all sysctl names at this level are name and field */
- if (namelen != 2)
- return (ENOTDIR); /* overloaded */
- cdp = debugvars[name[0]];
- if (cdp->debugname == 0)
- return (ENOTSUP);
- switch (name[1]) {
- case CTL_DEBUG_NAME:
- return (sysctl_rdstring(oldp, oldlenp, newp, cdp->debugname));
- case CTL_DEBUG_VALUE:
- return (sysctl_int(oldp, oldlenp, newp, newlen, cdp->debugvar));
- default:
- return (ENOTSUP);
- }
- /* NOTREACHED */
-}
-#endif /* DEBUG */
+ case KERN_PROC_RUID:
+ ruidcheck = 1;
+ break;
-/*
- * Validate parameters and get old / set new parameters
- * for an integer-valued sysctl function.
- */
-int
-sysctl_int(user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen, int *valp)
-{
- int error = 0;
+ case KERN_PROC_ALL:
+ break;
- if (oldp != USER_ADDR_NULL && oldlenp == NULL)
- return (EFAULT);
- if (oldp && *oldlenp < sizeof(int))
- return (ENOMEM);
- if (newp && newlen != sizeof(int))
- return (EINVAL);
- *oldlenp = sizeof(int);
- if (oldp)
- error = copyout(valp, oldp, sizeof(int));
- if (error == 0 && newp) {
- error = copyin(newp, valp, sizeof(int));
- AUDIT_ARG(value, *valp);
+ default:
+ /* must be kern.proc.<unknown> */
+ return (ENOTSUP);
}
- return (error);
-}
-/*
- * As above, but read-only.
- */
-int
-sysctl_rdint(user_addr_t oldp, size_t *oldlenp, user_addr_t newp, int val)
-{
- int error = 0;
+ error = 0;
+ args.buflen = buflen;
+ args.kprocp = kprocp;
+ args.is_64_bit = is_64_bit;
+ args.dp = dp;
+ args.needed = needed;
+ args.errorp = &error;
+ args.uidcheck = uidcheck;
+ args.ruidcheck = ruidcheck;
+ args.ttycheck = ttycheck;
+ args.sizeof_kproc = sizeof_kproc;
+ if (namelen)
+ args.uidval = name[0];
- if (oldp != USER_ADDR_NULL && oldlenp == NULL)
- return (EFAULT);
- if (oldp && *oldlenp < sizeof(int))
- return (ENOMEM);
- if (newp)
- return (EPERM);
- *oldlenp = sizeof(int);
- if (oldp)
- error = copyout((caddr_t)&val, oldp, sizeof(int));
- return (error);
-}
+ success = proc_iterate((PROC_ALLPROCLIST | PROC_ZOMBPROCLIST),
+ sysdoproc_callback, &args, filterfn, name);
-/*
- * Validate parameters and get old / set new parameters
- * for an quad(64bit)-valued sysctl function.
- */
-int
-sysctl_quad(user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen, quad_t *valp)
-{
- int error = 0;
+ /*
+ * rdar://problem/28433391: if we can't iterate over the processes,
+ * make sure to return an error.
+ */
- if (oldp != USER_ADDR_NULL && oldlenp == NULL)
- return (EFAULT);
- if (oldp && *oldlenp < sizeof(quad_t))
+ if (success != 0)
return (ENOMEM);
- if (newp && newlen != sizeof(quad_t))
- return (EINVAL);
- *oldlenp = sizeof(quad_t);
- if (oldp)
- error = copyout(valp, oldp, sizeof(quad_t));
- if (error == 0 && newp)
- error = copyin(newp, valp, sizeof(quad_t));
- return (error);
+
+ if (error)
+ return (error);
+
+ dp = args.dp;
+ needed = args.needed;
+
+ if (where != USER_ADDR_NULL) {
+ req->oldlen = dp - where;
+ if (needed > req->oldlen)
+ return (ENOMEM);
+ } else {
+ needed += KERN_PROCSLOP;
+ req->oldlen = needed;
+ }
+ /* adjust index so we return the right required/consumed amount */
+ req->oldidx += req->oldlen;
+ return (0);
}
/*
- * As above, but read-only.
+ * We specify the subcommand code for multiple nodes as the 'req->arg2' value
+ * in the sysctl declaration itself, which comes into the handler function
+ * as 'oidp->oid_arg2'.
+ *
+ * For these particular sysctls, since they have well known OIDs, we could
+ * have just obtained it from the '((int *)arg1)[0]' parameter, but that would
+ * not demonstrate how to handle multiple sysctls that used OID_AUTO instead
+ * of a well known value with a common handler function. This is desirable,
+ * because we want well known values to "go away" at some future date.
+ *
+ * It should be noted that the value of '((int *)arg1)[1]' is used for many
+ * an integer parameter to the subcommand for many of these sysctls; we'd
+ * rather have used '((int *)arg1)[0]' for that, or even better, an element
+ * in a structure passed in as the the 'newp' argument to sysctlbyname(3),
+ * and then use leaf-node permissions enforcement, but that would have
+ * necessitated modifying user space code to correspond to the interface
+ * change, and we are striving for binary backward compatibility here; even
+ * though these are SPI, and not intended for use by user space applications
+ * which are not themselves system tools or libraries, some applications
+ * have erroneously used them.
*/
-int
-sysctl_rdquad(oldp, oldlenp, newp, val)
- void *oldp;
- size_t *oldlenp;
- void *newp;
- quad_t val;
-{
- int error = 0;
+SYSCTL_PROC(_kern_proc, KERN_PROC_ALL, all, CTLTYPE_NODE|CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, /* Pointer argument (arg1) */
+ KERN_PROC_ALL, /* Integer argument (arg2) */
+ sysctl_prochandle, /* Handler function */
+ NULL, /* Data is size variant on ILP32/LP64 */
+ "");
+SYSCTL_PROC(_kern_proc, KERN_PROC_PID, pid, CTLTYPE_NODE|CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, /* Pointer argument (arg1) */
+ KERN_PROC_PID, /* Integer argument (arg2) */
+ sysctl_prochandle, /* Handler function */
+ NULL, /* Data is size variant on ILP32/LP64 */
+ "");
+SYSCTL_PROC(_kern_proc, KERN_PROC_TTY, tty, CTLTYPE_NODE|CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, /* Pointer argument (arg1) */
+ KERN_PROC_TTY, /* Integer argument (arg2) */
+ sysctl_prochandle, /* Handler function */
+ NULL, /* Data is size variant on ILP32/LP64 */
+ "");
+SYSCTL_PROC(_kern_proc, KERN_PROC_PGRP, pgrp, CTLTYPE_NODE|CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, /* Pointer argument (arg1) */
+ KERN_PROC_PGRP, /* Integer argument (arg2) */
+ sysctl_prochandle, /* Handler function */
+ NULL, /* Data is size variant on ILP32/LP64 */
+ "");
+SYSCTL_PROC(_kern_proc, KERN_PROC_UID, uid, CTLTYPE_NODE|CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, /* Pointer argument (arg1) */
+ KERN_PROC_UID, /* Integer argument (arg2) */
+ sysctl_prochandle, /* Handler function */
+ NULL, /* Data is size variant on ILP32/LP64 */
+ "");
+SYSCTL_PROC(_kern_proc, KERN_PROC_RUID, ruid, CTLTYPE_NODE|CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, /* Pointer argument (arg1) */
+ KERN_PROC_RUID, /* Integer argument (arg2) */
+ sysctl_prochandle, /* Handler function */
+ NULL, /* Data is size variant on ILP32/LP64 */
+ "");
+SYSCTL_PROC(_kern_proc, KERN_PROC_LCID, lcid, CTLTYPE_NODE|CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, /* Pointer argument (arg1) */
+ KERN_PROC_LCID, /* Integer argument (arg2) */
+ sysctl_prochandle, /* Handler function */
+ NULL, /* Data is size variant on ILP32/LP64 */
+ "");
- if (oldp != USER_ADDR_NULL && oldlenp == NULL)
- return (EFAULT);
- if (oldp && *oldlenp < sizeof(quad_t))
- return (ENOMEM);
- if (newp)
- return (EPERM);
- *oldlenp = sizeof(quad_t);
- if (oldp)
- error = copyout((caddr_t)&val, CAST_USER_ADDR_T(oldp), sizeof(quad_t));
- return (error);
-}
/*
- * Validate parameters and get old / set new parameters
- * for a string-valued sysctl function. Unlike sysctl_string, if you
- * give it a too small (but larger than 0 bytes) buffer, instead of
- * returning ENOMEM, it truncates the returned string to the buffer
- * size. This preserves the semantics of some library routines
- * implemented via sysctl, which truncate their returned data, rather
- * than simply returning an error. The returned string is always NUL
- * terminated.
+ * Fill in non-zero fields of an eproc structure for the specified process.
*/
-int
-sysctl_trstring(user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen, char *str, int maxlen)
+STATIC void
+fill_user32_eproc(proc_t p, struct user32_eproc *__restrict ep)
{
- int len, copylen, error = 0;
+ struct tty *tp;
+ struct pgrp *pg;
+ struct session *sessp;
+ kauth_cred_t my_cred;
+
+ pg = proc_pgrp(p);
+ sessp = proc_session(p);
+
+ if (pg != PGRP_NULL) {
+ ep->e_pgid = p->p_pgrpid;
+ ep->e_jobc = pg->pg_jobc;
+ if (sessp != SESSION_NULL && sessp->s_ttyvp)
+ ep->e_flag = EPROC_CTTY;
+ }
+ ep->e_ppid = p->p_ppid;
+ if (p->p_ucred) {
+ my_cred = kauth_cred_proc_ref(p);
- if (oldp != USER_ADDR_NULL && oldlenp == NULL)
- return (EFAULT);
- copylen = len = strlen(str) + 1;
- if (oldp && (len < 0 || *oldlenp < 1))
- return (ENOMEM);
- if (oldp && (*oldlenp < (size_t)len))
- copylen = *oldlenp + 1;
- if (newp && (maxlen < 0 || newlen >= (size_t)maxlen))
- return (EINVAL);
- *oldlenp = copylen - 1; /* deal with NULL strings correctly */
- if (oldp) {
- error = copyout(str, oldp, copylen);
- if (!error) {
- unsigned char c = 0;
- /* NUL terminate */
- oldp += *oldlenp;
- error = copyout((void *)&c, oldp, sizeof(char));
- }
+ /* A fake historical pcred */
+ ep->e_pcred.p_ruid = kauth_cred_getruid(my_cred);
+ ep->e_pcred.p_svuid = kauth_cred_getsvuid(my_cred);
+ ep->e_pcred.p_rgid = kauth_cred_getrgid(my_cred);
+ ep->e_pcred.p_svgid = kauth_cred_getsvgid(my_cred);
+
+ /* A fake historical *kauth_cred_t */
+ ep->e_ucred.cr_ref = my_cred->cr_ref;
+ ep->e_ucred.cr_uid = kauth_cred_getuid(my_cred);
+ ep->e_ucred.cr_ngroups = posix_cred_get(my_cred)->cr_ngroups;
+ bcopy(posix_cred_get(my_cred)->cr_groups,
+ ep->e_ucred.cr_groups, NGROUPS * sizeof (gid_t));
+
+ kauth_cred_unref(&my_cred);
}
- if (error == 0 && newp) {
- error = copyin(newp, str, newlen);
- str[newlen] = 0;
- AUDIT_ARG(text, (char *)str);
+
+ if ((p->p_flag & P_CONTROLT) && (sessp != SESSION_NULL) &&
+ (tp = SESSION_TP(sessp))) {
+ ep->e_tdev = tp->t_dev;
+ ep->e_tpgid = sessp->s_ttypgrpid;
+ } else
+ ep->e_tdev = NODEV;
+
+ if (sessp != SESSION_NULL) {
+ if (SESS_LEADER(p, sessp))
+ ep->e_flag |= EPROC_SLEADER;
+ session_rele(sessp);
}
- return (error);
+ if (pg != PGRP_NULL)
+ pg_rele(pg);
}
/*
- * Validate parameters and get old / set new parameters
- * for a string-valued sysctl function.
+ * Fill in non-zero fields of an LP64 eproc structure for the specified process.
*/
-int
-sysctl_string(user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen, char *str, int maxlen)
+STATIC void
+fill_user64_eproc(proc_t p, struct user64_eproc *__restrict ep)
{
- int len, error = 0;
+ struct tty *tp;
+ struct pgrp *pg;
+ struct session *sessp;
+ kauth_cred_t my_cred;
+
+ pg = proc_pgrp(p);
+ sessp = proc_session(p);
- if (oldp != USER_ADDR_NULL && oldlenp == NULL)
- return (EFAULT);
- len = strlen(str) + 1;
- if (oldp && (len < 0 || *oldlenp < (size_t)len))
- return (ENOMEM);
- if (newp && (maxlen < 0 || newlen >= (size_t)maxlen))
- return (EINVAL);
- *oldlenp = len -1; /* deal with NULL strings correctly */
- if (oldp) {
- error = copyout(str, oldp, len);
+ if (pg != PGRP_NULL) {
+ ep->e_pgid = p->p_pgrpid;
+ ep->e_jobc = pg->pg_jobc;
+ if (sessp != SESSION_NULL && sessp->s_ttyvp)
+ ep->e_flag = EPROC_CTTY;
}
- if (error == 0 && newp) {
- error = copyin(newp, str, newlen);
- str[newlen] = 0;
- AUDIT_ARG(text, (char *)str);
+ ep->e_ppid = p->p_ppid;
+ if (p->p_ucred) {
+ my_cred = kauth_cred_proc_ref(p);
+
+ /* A fake historical pcred */
+ ep->e_pcred.p_ruid = kauth_cred_getruid(my_cred);
+ ep->e_pcred.p_svuid = kauth_cred_getsvuid(my_cred);
+ ep->e_pcred.p_rgid = kauth_cred_getrgid(my_cred);
+ ep->e_pcred.p_svgid = kauth_cred_getsvgid(my_cred);
+
+ /* A fake historical *kauth_cred_t */
+ ep->e_ucred.cr_ref = my_cred->cr_ref;
+ ep->e_ucred.cr_uid = kauth_cred_getuid(my_cred);
+ ep->e_ucred.cr_ngroups = posix_cred_get(my_cred)->cr_ngroups;
+ bcopy(posix_cred_get(my_cred)->cr_groups,
+ ep->e_ucred.cr_groups, NGROUPS * sizeof (gid_t));
+
+ kauth_cred_unref(&my_cred);
}
- return (error);
+
+ if ((p->p_flag & P_CONTROLT) && (sessp != SESSION_NULL) &&
+ (tp = SESSION_TP(sessp))) {
+ ep->e_tdev = tp->t_dev;
+ ep->e_tpgid = sessp->s_ttypgrpid;
+ } else
+ ep->e_tdev = NODEV;
+
+ if (sessp != SESSION_NULL) {
+ if (SESS_LEADER(p, sessp))
+ ep->e_flag |= EPROC_SLEADER;
+ session_rele(sessp);
+ }
+ if (pg != PGRP_NULL)
+ pg_rele(pg);
}
/*
- * As above, but read-only.
+ * Fill in an eproc structure for the specified process.
+ * bzeroed by our caller, so only set non-zero fields.
*/
-int
-sysctl_rdstring(user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, char *str)
+STATIC void
+fill_user32_externproc(proc_t p, struct user32_extern_proc *__restrict exp)
{
- int len, error = 0;
-
- if (oldp != USER_ADDR_NULL && oldlenp == NULL)
- return (EFAULT);
- len = strlen(str) + 1;
- if (oldp && *oldlenp < (size_t)len)
- return (ENOMEM);
- if (newp)
- return (EPERM);
- *oldlenp = len;
- if (oldp)
- error = copyout(str, oldp, len);
- return (error);
+ exp->p_starttime.tv_sec = p->p_start.tv_sec;
+ exp->p_starttime.tv_usec = p->p_start.tv_usec;
+ exp->p_flag = p->p_flag;
+ if (p->p_lflag & P_LTRACED)
+ exp->p_flag |= P_TRACED;
+ if (p->p_lflag & P_LPPWAIT)
+ exp->p_flag |= P_PPWAIT;
+ if (p->p_lflag & P_LEXIT)
+ exp->p_flag |= P_WEXIT;
+ exp->p_stat = p->p_stat;
+ exp->p_pid = p->p_pid;
+ exp->p_oppid = p->p_oppid;
+ /* Mach related */
+ exp->user_stack = p->user_stack;
+ exp->p_debugger = p->p_debugger;
+ exp->sigwait = p->sigwait;
+ /* scheduling */
+#ifdef _PROC_HAS_SCHEDINFO_
+ exp->p_estcpu = p->p_estcpu;
+ exp->p_pctcpu = p->p_pctcpu;
+ exp->p_slptime = p->p_slptime;
+#endif
+ exp->p_realtimer.it_interval.tv_sec =
+ (user32_time_t)p->p_realtimer.it_interval.tv_sec;
+ exp->p_realtimer.it_interval.tv_usec =
+ (__int32_t)p->p_realtimer.it_interval.tv_usec;
+
+ exp->p_realtimer.it_value.tv_sec =
+ (user32_time_t)p->p_realtimer.it_value.tv_sec;
+ exp->p_realtimer.it_value.tv_usec =
+ (__int32_t)p->p_realtimer.it_value.tv_usec;
+
+ exp->p_rtime.tv_sec = (user32_time_t)p->p_rtime.tv_sec;
+ exp->p_rtime.tv_usec = (__int32_t)p->p_rtime.tv_usec;
+
+ exp->p_sigignore = p->p_sigignore;
+ exp->p_sigcatch = p->p_sigcatch;
+ exp->p_priority = p->p_priority;
+ exp->p_nice = p->p_nice;
+ bcopy(&p->p_comm, &exp->p_comm, MAXCOMLEN);
+ exp->p_xstat = p->p_xstat;
+ exp->p_acflag = p->p_acflag;
}
/*
- * Validate parameters and get old / set new parameters
- * for a structure oriented sysctl function.
+ * Fill in an LP64 version of extern_proc structure for the specified process.
*/
-int
-sysctl_struct(user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen, void *sp, int len)
+STATIC void
+fill_user64_externproc(proc_t p, struct user64_extern_proc *__restrict exp)
{
- int error = 0;
+ exp->p_starttime.tv_sec = p->p_start.tv_sec;
+ exp->p_starttime.tv_usec = p->p_start.tv_usec;
+ exp->p_flag = p->p_flag;
+ if (p->p_lflag & P_LTRACED)
+ exp->p_flag |= P_TRACED;
+ if (p->p_lflag & P_LPPWAIT)
+ exp->p_flag |= P_PPWAIT;
+ if (p->p_lflag & P_LEXIT)
+ exp->p_flag |= P_WEXIT;
+ exp->p_stat = p->p_stat;
+ exp->p_pid = p->p_pid;
+ exp->p_oppid = p->p_oppid;
+ /* Mach related */
+ exp->user_stack = p->user_stack;
+ exp->p_debugger = p->p_debugger;
+ exp->sigwait = p->sigwait;
+ /* scheduling */
+#ifdef _PROC_HAS_SCHEDINFO_
+ exp->p_estcpu = p->p_estcpu;
+ exp->p_pctcpu = p->p_pctcpu;
+ exp->p_slptime = p->p_slptime;
+#endif
+ exp->p_realtimer.it_interval.tv_sec = p->p_realtimer.it_interval.tv_sec;
+ exp->p_realtimer.it_interval.tv_usec = p->p_realtimer.it_interval.tv_usec;
- if (oldp != USER_ADDR_NULL && oldlenp == NULL)
- return (EFAULT);
- if (oldp && (len < 0 || *oldlenp < (size_t)len))
- return (ENOMEM);
- if (newp && (len < 0 || newlen > (size_t)len))
- return (EINVAL);
- if (oldp) {
- *oldlenp = len;
- error = copyout(sp, oldp, len);
- }
- if (error == 0 && newp)
- error = copyin(newp, sp, len);
- return (error);
+ exp->p_realtimer.it_value.tv_sec = p->p_realtimer.it_value.tv_sec;
+ exp->p_realtimer.it_value.tv_usec = p->p_realtimer.it_value.tv_usec;
+
+ exp->p_rtime.tv_sec = p->p_rtime.tv_sec;
+ exp->p_rtime.tv_usec = p->p_rtime.tv_usec;
+
+ exp->p_sigignore = p->p_sigignore;
+ exp->p_sigcatch = p->p_sigcatch;
+ exp->p_priority = p->p_priority;
+ exp->p_nice = p->p_nice;
+ bcopy(&p->p_comm, &exp->p_comm, MAXCOMLEN);
+ exp->p_xstat = p->p_xstat;
+ exp->p_acflag = p->p_acflag;
}
-/*
- * Validate parameters and get old parameters
- * for a structure oriented sysctl function.
- */
-int
-sysctl_rdstruct(user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, void *sp, int len)
+STATIC void
+fill_user32_proc(proc_t p, struct user32_kinfo_proc *__restrict kp)
{
- int error = 0;
+ /* on a 64 bit kernel, 32 bit users get some truncated information */
+ fill_user32_externproc(p, &kp->kp_proc);
+ fill_user32_eproc(p, &kp->kp_eproc);
+}
- if (oldp != USER_ADDR_NULL && oldlenp == NULL)
- return (EFAULT);
- if (oldp && (len < 0 || *oldlenp < (size_t)len))
- return (ENOMEM);
- if (newp)
- return (EPERM);
- *oldlenp = len;
- if (oldp)
- error = copyout(sp, oldp, len);
- return (error);
+STATIC void
+fill_user64_proc(proc_t p, struct user64_kinfo_proc *__restrict kp)
+{
+ fill_user64_externproc(p, &kp->kp_proc);
+ fill_user64_eproc(p, &kp->kp_eproc);
}
-/*
- * Get file structures.
- */
-int
-sysctl_file(user_addr_t where, size_t *sizep)
+STATIC int
+sysctl_kdebug_ops SYSCTL_HANDLER_ARGS
{
- int buflen, error;
- struct fileglob *fg;
- user_addr_t start = where;
- struct extern_file nef;
+ __unused int cmd = oidp->oid_arg2; /* subcommand*/
+ int *name = arg1; /* oid element argument vector */
+ int namelen = arg2; /* number of oid element arguments */
+ user_addr_t oldp = req->oldptr; /* user buffer copy out address */
+ size_t *oldlenp = &req->oldlen; /* user buffer copy out size */
+// user_addr_t newp = req->newptr; /* user buffer copy in address */
+// size_t newlen = req->newlen; /* user buffer copy in size */
- buflen = *sizep;
- if (where == USER_ADDR_NULL) {
- /*
- * overestimate by 10 files
- */
- *sizep = sizeof(filehead) + (nfiles + 10) * sizeof(struct extern_file);
- return (0);
- }
-
- /*
- * first copyout filehead
- */
- if (buflen < 0 || (size_t)buflen < sizeof(filehead)) {
- *sizep = 0;
- return (0);
- }
- error = copyout((caddr_t)&filehead, where, sizeof(filehead));
- if (error)
- return (error);
- buflen -= sizeof(filehead);
- where += sizeof(filehead);
-
- /*
- * followed by an array of file structures
- */
- for (fg = filehead.lh_first; fg != 0; fg = fg->f_list.le_next) {
- if (buflen < 0 || (size_t)buflen < sizeof(struct extern_file)) {
- *sizep = where - start;
- return (ENOMEM);
- }
- nef.f_list.le_next = (struct extern_file *)fg->f_list.le_next;
- nef.f_list.le_prev = (struct extern_file **)fg->f_list.le_prev;
- nef.f_flag = (fg->fg_flag & FMASK);
- nef.f_type = fg->fg_type;
- nef.f_count = fg->fg_count;
- nef.f_msgcount = fg->fg_msgcount;
- nef.f_cred = fg->fg_cred;
- nef.f_ops = fg->fg_ops;
- nef.f_offset = fg->fg_offset;
- nef.f_data = fg->fg_data;
- error = copyout((caddr_t)&nef, where, sizeof (struct extern_file));
- if (error)
- return (error);
- buflen -= sizeof(struct extern_file);
- where += sizeof(struct extern_file);
- }
- *sizep = where - start;
- return (0);
-}
-
-/*
- * try over estimating by 5 procs
- */
-#define KERN_PROCSLOP (5 * sizeof (struct kinfo_proc))
-
-int
-sysctl_doproc(int *name, u_int namelen, user_addr_t where, size_t *sizep)
-{
- struct proc *p;
- user_addr_t dp = where;
- size_t needed = 0;
- int buflen = where != USER_ADDR_NULL ? *sizep : 0;
- int doingzomb;
- int error = 0;
- boolean_t is_64_bit = FALSE;
- struct kinfo_proc kproc;
- struct user_kinfo_proc user_kproc;
- int sizeof_kproc;
- caddr_t kprocp;
-
- if (namelen != 2 && !(namelen == 1 && name[0] == KERN_PROC_ALL))
- return (EINVAL);
- p = allproc.lh_first;
- doingzomb = 0;
- is_64_bit = proc_is64bit(current_proc());
- if (is_64_bit) {
- sizeof_kproc = sizeof(user_kproc);
- kprocp = (caddr_t) &user_kproc;
- }
- else {
- sizeof_kproc = sizeof(kproc);
- kprocp = (caddr_t) &kproc;
- }
-again:
- for (; p != 0; p = p->p_list.le_next) {
- /*
- * Skip embryonic processes.
- */
- if (p->p_stat == SIDL)
- continue;
- /*
- * TODO - make more efficient (see notes below).
- * do by session.
- */
- switch (name[0]) {
-
- case KERN_PROC_PID:
- /* could do this with just a lookup */
- if (p->p_pid != (pid_t)name[1])
- continue;
- break;
-
- case KERN_PROC_PGRP:
- /* could do this by traversing pgrp */
- if (p->p_pgrp->pg_id != (pid_t)name[1])
- continue;
- break;
-
- case KERN_PROC_TTY:
- if ((p->p_flag & P_CONTROLT) == 0 ||
- (p->p_session == NULL) ||
- p->p_session->s_ttyp == NULL ||
- p->p_session->s_ttyp->t_dev != (dev_t)name[1])
- continue;
- break;
-
- case KERN_PROC_UID:
- if ((p->p_ucred == NULL) ||
- (kauth_cred_getuid(p->p_ucred) != (uid_t)name[1]))
- continue;
- break;
-
- case KERN_PROC_RUID:
- if ((p->p_ucred == NULL) ||
- (p->p_ucred->cr_ruid != (uid_t)name[1]))
- continue;
- break;
- }
- if (buflen >= sizeof_kproc) {
- bzero(kprocp, sizeof_kproc);
- if (is_64_bit) {
- fill_user_proc(p, (struct user_kinfo_proc *) kprocp);
- }
- else {
- fill_proc(p, (struct kinfo_proc *) kprocp);
- }
- error = copyout(kprocp, dp, sizeof_kproc);
- if (error)
- return (error);
- dp += sizeof_kproc;
- buflen -= sizeof_kproc;
- }
- needed += sizeof_kproc;
- }
- if (doingzomb == 0) {
- p = zombproc.lh_first;
- doingzomb++;
- goto again;
- }
- if (where != USER_ADDR_NULL) {
- *sizep = dp - where;
- if (needed > *sizep)
- return (ENOMEM);
- } else {
- needed += KERN_PROCSLOP;
- *sizep = needed;
- }
- return (0);
-}
-
-/*
- * Fill in an eproc structure for the specified process.
- */
-static void
-fill_eproc(p, ep)
- register struct proc *p;
- register struct eproc *ep;
-{
- register struct tty *tp;
-
- ep->e_paddr = p;
- if (p->p_pgrp) {
- ep->e_sess = p->p_pgrp->pg_session;
- ep->e_pgid = p->p_pgrp->pg_id;
- ep->e_jobc = p->p_pgrp->pg_jobc;
- if (ep->e_sess && ep->e_sess->s_ttyvp)
- ep->e_flag = EPROC_CTTY;
- } else {
- ep->e_sess = (struct session *)0;
- ep->e_pgid = 0;
- ep->e_jobc = 0;
- }
- ep->e_ppid = (p->p_pptr) ? p->p_pptr->p_pid : 0;
- /* Pre-zero the fake historical pcred */
- bzero(&ep->e_pcred, sizeof(struct _pcred));
- if (p->p_ucred) {
- /* XXX not ref-counted */
-
- /* A fake historical pcred */
- ep->e_pcred.p_ruid = p->p_ucred->cr_ruid;
- ep->e_pcred.p_svuid = p->p_ucred->cr_svuid;
- ep->e_pcred.p_rgid = p->p_ucred->cr_rgid;
- ep->e_pcred.p_svgid = p->p_ucred->cr_svgid;
-
- /* A fake historical *kauth_cred_t */
- ep->e_ucred.cr_ref = p->p_ucred->cr_ref;
- ep->e_ucred.cr_uid = kauth_cred_getuid(p->p_ucred);
- ep->e_ucred.cr_ngroups = p->p_ucred->cr_ngroups;
- bcopy(p->p_ucred->cr_groups, ep->e_ucred.cr_groups, NGROUPS*sizeof(gid_t));
-
- }
- if (p->p_stat == SIDL || p->p_stat == SZOMB) {
- ep->e_vm.vm_tsize = 0;
- ep->e_vm.vm_dsize = 0;
- ep->e_vm.vm_ssize = 0;
- }
- ep->e_vm.vm_rssize = 0;
-
- if ((p->p_flag & P_CONTROLT) && (ep->e_sess) &&
- (tp = ep->e_sess->s_ttyp)) {
- ep->e_tdev = tp->t_dev;
- ep->e_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PID;
- ep->e_tsess = tp->t_session;
- } else
- ep->e_tdev = NODEV;
-
- if (SESS_LEADER(p))
- ep->e_flag |= EPROC_SLEADER;
- if (p->p_wmesg)
- strncpy(ep->e_wmesg, p->p_wmesg, WMESGLEN);
- ep->e_xsize = ep->e_xrssize = 0;
- ep->e_xccount = ep->e_xswrss = 0;
-}
-
-/*
- * Fill in an LP64 version of eproc structure for the specified process.
- */
-static void
-fill_user_eproc(register struct proc *p, register struct user_eproc *ep)
-{
- register struct tty *tp;
- struct session *sessionp = NULL;
-
- ep->e_paddr = CAST_USER_ADDR_T(p);
- if (p->p_pgrp) {
- sessionp = p->p_pgrp->pg_session;
- ep->e_sess = CAST_USER_ADDR_T(sessionp);
- ep->e_pgid = p->p_pgrp->pg_id;
- ep->e_jobc = p->p_pgrp->pg_jobc;
- if (sessionp) {
- if (sessionp->s_ttyvp)
- ep->e_flag = EPROC_CTTY;
- }
- } else {
- ep->e_sess = USER_ADDR_NULL;
- ep->e_pgid = 0;
- ep->e_jobc = 0;
- }
- ep->e_ppid = (p->p_pptr) ? p->p_pptr->p_pid : 0;
- /* Pre-zero the fake historical pcred */
- bzero(&ep->e_pcred, sizeof(ep->e_pcred));
- if (p->p_ucred) {
- /* XXX not ref-counted */
-
- /* A fake historical pcred */
- ep->e_pcred.p_ruid = p->p_ucred->cr_ruid;
- ep->e_pcred.p_svuid = p->p_ucred->cr_svuid;
- ep->e_pcred.p_rgid = p->p_ucred->cr_rgid;
- ep->e_pcred.p_svgid = p->p_ucred->cr_svgid;
-
- /* A fake historical *kauth_cred_t */
- ep->e_ucred.cr_ref = p->p_ucred->cr_ref;
- ep->e_ucred.cr_uid = kauth_cred_getuid(p->p_ucred);
- ep->e_ucred.cr_ngroups = p->p_ucred->cr_ngroups;
- bcopy(p->p_ucred->cr_groups, ep->e_ucred.cr_groups, NGROUPS*sizeof(gid_t));
-
- }
- if (p->p_stat == SIDL || p->p_stat == SZOMB) {
- ep->e_vm.vm_tsize = 0;
- ep->e_vm.vm_dsize = 0;
- ep->e_vm.vm_ssize = 0;
- }
- ep->e_vm.vm_rssize = 0;
-
- if ((p->p_flag & P_CONTROLT) && (sessionp) &&
- (tp = sessionp->s_ttyp)) {
- ep->e_tdev = tp->t_dev;
- ep->e_tpgid = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PID;
- ep->e_tsess = CAST_USER_ADDR_T(tp->t_session);
- } else
- ep->e_tdev = NODEV;
-
- if (SESS_LEADER(p))
- ep->e_flag |= EPROC_SLEADER;
- if (p->p_wmesg)
- strncpy(ep->e_wmesg, p->p_wmesg, WMESGLEN);
- ep->e_xsize = ep->e_xrssize = 0;
- ep->e_xccount = ep->e_xswrss = 0;
-}
-
-/*
- * Fill in an eproc structure for the specified process.
- */
-static void
-fill_externproc(p, exp)
- register struct proc *p;
- register struct extern_proc *exp;
-{
- exp->p_forw = exp->p_back = NULL;
- if (p->p_stats)
- exp->p_starttime = p->p_stats->p_start;
- exp->p_vmspace = NULL;
- exp->p_sigacts = p->p_sigacts;
- exp->p_flag = p->p_flag;
- exp->p_stat = p->p_stat ;
- exp->p_pid = p->p_pid ;
- exp->p_oppid = p->p_oppid ;
- exp->p_dupfd = p->p_dupfd ;
- /* Mach related */
- exp->user_stack = CAST_DOWN(caddr_t, p->user_stack);
- exp->exit_thread = p->exit_thread ;
- exp->p_debugger = p->p_debugger ;
- exp->sigwait = p->sigwait ;
- /* scheduling */
- exp->p_estcpu = p->p_estcpu ;
- exp->p_cpticks = p->p_cpticks ;
- exp->p_pctcpu = p->p_pctcpu ;
- exp->p_wchan = p->p_wchan ;
- exp->p_wmesg = p->p_wmesg ;
- exp->p_swtime = p->p_swtime ;
- exp->p_slptime = p->p_slptime ;
- bcopy(&p->p_realtimer, &exp->p_realtimer,sizeof(struct itimerval));
- bcopy(&p->p_rtime, &exp->p_rtime,sizeof(struct timeval));
- exp->p_uticks = p->p_uticks ;
- exp->p_sticks = p->p_sticks ;
- exp->p_iticks = p->p_iticks ;
- exp->p_traceflag = p->p_traceflag ;
- exp->p_tracep = p->p_tracep ;
- exp->p_siglist = 0 ; /* No longer relevant */
- exp->p_textvp = p->p_textvp ;
- exp->p_holdcnt = 0 ;
- exp->p_sigmask = 0 ; /* no longer avaialable */
- exp->p_sigignore = p->p_sigignore ;
- exp->p_sigcatch = p->p_sigcatch ;
- exp->p_priority = p->p_priority ;
- exp->p_usrpri = p->p_usrpri ;
- exp->p_nice = p->p_nice ;
- bcopy(&p->p_comm, &exp->p_comm,MAXCOMLEN);
- exp->p_comm[MAXCOMLEN] = '\0';
- exp->p_pgrp = p->p_pgrp ;
- exp->p_addr = NULL;
- exp->p_xstat = p->p_xstat ;
- exp->p_acflag = p->p_acflag ;
- exp->p_ru = p->p_ru ; /* XXX may be NULL */
-}
-
-/*
- * Fill in an LP64 version of extern_proc structure for the specified process.
- */
-static void
-fill_user_externproc(register struct proc *p, register struct user_extern_proc *exp)
-{
- exp->p_forw = exp->p_back = USER_ADDR_NULL;
- if (p->p_stats) {
- exp->p_starttime.tv_sec = p->p_stats->p_start.tv_sec;
- exp->p_starttime.tv_usec = p->p_stats->p_start.tv_usec;
- }
- exp->p_vmspace = USER_ADDR_NULL;
- exp->p_sigacts = CAST_USER_ADDR_T(p->p_sigacts);
- exp->p_flag = p->p_flag;
- exp->p_stat = p->p_stat ;
- exp->p_pid = p->p_pid ;
- exp->p_oppid = p->p_oppid ;
- exp->p_dupfd = p->p_dupfd ;
- /* Mach related */
- exp->user_stack = p->user_stack;
- exp->exit_thread = CAST_USER_ADDR_T(p->exit_thread);
- exp->p_debugger = p->p_debugger ;
- exp->sigwait = p->sigwait ;
- /* scheduling */
- exp->p_estcpu = p->p_estcpu ;
- exp->p_cpticks = p->p_cpticks ;
- exp->p_pctcpu = p->p_pctcpu ;
- exp->p_wchan = CAST_USER_ADDR_T(p->p_wchan);
- exp->p_wmesg = CAST_USER_ADDR_T(p->p_wmesg);
- exp->p_swtime = p->p_swtime ;
- exp->p_slptime = p->p_slptime ;
- exp->p_realtimer.it_interval.tv_sec = p->p_realtimer.it_interval.tv_sec;
- exp->p_realtimer.it_interval.tv_usec = p->p_realtimer.it_interval.tv_usec;
- exp->p_realtimer.it_value.tv_sec = p->p_realtimer.it_value.tv_sec;
- exp->p_realtimer.it_value.tv_usec = p->p_realtimer.it_value.tv_usec;
- exp->p_rtime.tv_sec = p->p_rtime.tv_sec;
- exp->p_rtime.tv_usec = p->p_rtime.tv_usec;
- exp->p_uticks = p->p_uticks ;
- exp->p_sticks = p->p_sticks ;
- exp->p_iticks = p->p_iticks ;
- exp->p_traceflag = p->p_traceflag ;
- exp->p_tracep = CAST_USER_ADDR_T(p->p_tracep);
- exp->p_siglist = 0 ; /* No longer relevant */
- exp->p_textvp = CAST_USER_ADDR_T(p->p_textvp);
- exp->p_holdcnt = 0 ;
- exp->p_sigmask = 0 ; /* no longer avaialable */
- exp->p_sigignore = p->p_sigignore ;
- exp->p_sigcatch = p->p_sigcatch ;
- exp->p_priority = p->p_priority ;
- exp->p_usrpri = p->p_usrpri ;
- exp->p_nice = p->p_nice ;
- bcopy(&p->p_comm, &exp->p_comm,MAXCOMLEN);
- exp->p_comm[MAXCOMLEN] = '\0';
- exp->p_pgrp = CAST_USER_ADDR_T(p->p_pgrp);
- exp->p_addr = USER_ADDR_NULL;
- exp->p_xstat = p->p_xstat ;
- exp->p_acflag = p->p_acflag ;
- exp->p_ru = CAST_USER_ADDR_T(p->p_ru); /* XXX may be NULL */
-}
-
-static void
-fill_proc(p, kp)
- register struct proc *p;
- register struct kinfo_proc *kp;
-{
- fill_externproc(p, &kp->kp_proc);
- fill_eproc(p, &kp->kp_eproc);
-}
-
-static void
-fill_user_proc(register struct proc *p, register struct user_kinfo_proc *kp)
-{
- fill_user_externproc(p, &kp->kp_proc);
- fill_user_eproc(p, &kp->kp_eproc);
-}
-
-int
-kdebug_ops(int *name, u_int namelen, user_addr_t where,
- size_t *sizep, struct proc *p)
-{
int ret=0;
- ret = suser(kauth_cred_get(), &p->p_acflag);
- if (ret)
- return(ret);
+ if (namelen == 0)
+ return(ENOTSUP);
switch(name[0]) {
case KERN_KDEFLAGS:
case KERN_KDSETREG:
case KERN_KDGETREG:
case KERN_KDREADTR:
+ case KERN_KDWRITETR:
+ case KERN_KDWRITEMAP:
+ case KERN_KDTEST:
case KERN_KDPIDTR:
case KERN_KDTHRMAP:
case KERN_KDPIDEX:
- case KERN_KDSETRTCDEC:
case KERN_KDSETBUF:
- case KERN_KDGETENTROPY:
- ret = kdbg_control(name, namelen, where, sizep);
- break;
+ case KERN_KDREADCURTHRMAP:
+ case KERN_KDSET_TYPEFILTER:
+ case KERN_KDBUFWAIT:
+ case KERN_KDCPUMAP:
+ case KERN_KDWRITEMAP_V3:
+ case KERN_KDWRITETR_V3:
+ ret = kdbg_control(name, namelen, oldp, oldlenp);
+ break;
default:
ret= ENOTSUP;
break;
}
- return(ret);
-}
-
-extern int pcsamples_control(int *name, u_int namelen, user_addr_t where,
- size_t * sizep);
-
-int
-pcsamples_ops(int *name, u_int namelen, user_addr_t where,
- size_t *sizep, struct proc *p)
-{
- int ret=0;
- ret = suser(kauth_cred_get(), &p->p_acflag);
- if (ret)
- return(ret);
+ /* adjust index so we return the right required/consumed amount */
+ if (!ret)
+ req->oldidx += req->oldlen;
- switch(name[0]) {
- case KERN_PCDISABLE:
- case KERN_PCGETBUF:
- case KERN_PCSETUP:
- case KERN_PCREMOVE:
- case KERN_PCREADBUF:
- case KERN_PCSETREG:
- case KERN_PCSETBUF:
- case KERN_PCCOMM:
- ret = pcsamples_control(name, namelen, where, sizep);
- break;
- default:
- ret= ENOTSUP;
- break;
- }
- return(ret);
+ return (ret);
}
+SYSCTL_PROC(_kern, KERN_KDEBUG, kdebug, CTLTYPE_NODE|CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, /* Pointer argument (arg1) */
+ 0, /* Integer argument (arg2) */
+ sysctl_kdebug_ops, /* Handler function */
+ NULL, /* Data pointer */
+ "");
+
+#if !CONFIG_EMBEDDED
/*
* Return the top *sizep bytes of the user stack, or the entire area of the
* user stack down through the saved exec_path, whichever is smaller.
*/
-int
-sysctl_procargs(int *name, u_int namelen, user_addr_t where,
- size_t *sizep, struct proc *cur_proc)
+STATIC int
+sysctl_doprocargs SYSCTL_HANDLER_ARGS
{
- return sysctl_procargsx( name, namelen, where, sizep, cur_proc, 0);
-}
+ __unused int cmd = oidp->oid_arg2; /* subcommand*/
+ int *name = arg1; /* oid element argument vector */
+ int namelen = arg2; /* number of oid element arguments */
+ user_addr_t oldp = req->oldptr; /* user buffer copy out address */
+ size_t *oldlenp = &req->oldlen; /* user buffer copy out size */
+// user_addr_t newp = req->newptr; /* user buffer copy in address */
+// size_t newlen = req->newlen; /* user buffer copy in size */
+ int error;
-static int
-sysctl_procargs2(int *name, u_int namelen, user_addr_t where,
- size_t *sizep, struct proc *cur_proc)
-{
- return sysctl_procargsx( name, namelen, where, sizep, cur_proc, 1);
+ error = sysctl_procargsx( name, namelen, oldp, oldlenp, current_proc(), 0);
+
+ /* adjust index so we return the right required/consumed amount */
+ if (!error)
+ req->oldidx += req->oldlen;
+
+ return (error);
}
+SYSCTL_PROC(_kern, KERN_PROCARGS, procargs, CTLTYPE_NODE|CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, /* Pointer argument (arg1) */
+ 0, /* Integer argument (arg2) */
+ sysctl_doprocargs, /* Handler function */
+ NULL, /* Data pointer */
+ "");
+#endif /* !CONFIG_EMBEDDED */
+
+STATIC int
+sysctl_doprocargs2 SYSCTL_HANDLER_ARGS
+{
+ __unused int cmd = oidp->oid_arg2; /* subcommand*/
+ int *name = arg1; /* oid element argument vector */
+ int namelen = arg2; /* number of oid element arguments */
+ user_addr_t oldp = req->oldptr; /* user buffer copy out address */
+ size_t *oldlenp = &req->oldlen; /* user buffer copy out size */
+// user_addr_t newp = req->newptr; /* user buffer copy in address */
+// size_t newlen = req->newlen; /* user buffer copy in size */
+ int error;
-static int
-sysctl_procargsx(int *name, __unused u_int namelen, user_addr_t where,
- size_t *sizep, struct proc *cur_proc, int argc_yes)
+ error = sysctl_procargsx( name, namelen, oldp, oldlenp, current_proc(), 1);
+
+ /* adjust index so we return the right required/consumed amount */
+ if (!error)
+ req->oldidx += req->oldlen;
+
+ return (error);
+}
+SYSCTL_PROC(_kern, KERN_PROCARGS2, procargs2, CTLTYPE_NODE|CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, /* Pointer argument (arg1) */
+ 0, /* Integer argument (arg2) */
+ sysctl_doprocargs2, /* Handler function */
+ NULL, /* Data pointer */
+ "");
+
+STATIC int
+sysctl_procargsx(int *name, u_int namelen, user_addr_t where,
+ size_t *sizep, proc_t cur_proc, int argc_yes)
{
- struct proc *p;
+ proc_t p;
int buflen = where != USER_ADDR_NULL ? *sizep : 0;
int error = 0;
- struct vm_map *proc_map;
+ struct _vm_map *proc_map;
struct task * task;
vm_map_copy_t tmp;
user_addr_t arg_addr;
size_t arg_size;
caddr_t data;
+ size_t argslen=0;
int size;
vm_offset_t copy_start, copy_end;
kern_return_t ret;
int pid;
+ kauth_cred_t my_cred;
+ uid_t uid;
+ int argc = -1;
+ if ( namelen < 1 )
+ return(EINVAL);
+
if (argc_yes)
buflen -= sizeof(int); /* reserve first word to return argc */
* Lookup process by pid
*/
pid = name[0];
- p = pfind(pid);
+ p = proc_find(pid);
if (p == NULL) {
return(EINVAL);
}
* size.
*/
- if (!p->user_stack)
+ if (!p->user_stack) {
+ proc_rele(p);
return(EINVAL);
+ }
if (where == USER_ADDR_NULL) {
/* caller only wants to know length of proc args data */
- if (sizep == NULL)
+ if (sizep == NULL) {
+ proc_rele(p);
return(EFAULT);
-
- size = p->p_argslen;
- if (argc_yes) {
- size += sizeof(int);
- }
- else {
+ }
+
+ size = p->p_argslen;
+ proc_rele(p);
+ if (argc_yes) {
+ size += sizeof(int);
+ } else {
/*
* old PROCARGS will return the executable's path and plus some
* extra space for work alignment and data tags
*/
- size += PATH_MAX + (6 * sizeof(int));
- }
+ size += PATH_MAX + (6 * sizeof(int));
+ }
size += (size & (sizeof(int) - 1)) ? (sizeof(int) - (size & (sizeof(int) - 1))) : 0;
*sizep = size;
return (0);
}
-
- if ((kauth_cred_getuid(p->p_ucred) != kauth_cred_getuid(kauth_cred_get()))
- && suser(kauth_cred_get(), &cur_proc->p_acflag))
+
+ my_cred = kauth_cred_proc_ref(p);
+ uid = kauth_cred_getuid(my_cred);
+ kauth_cred_unref(&my_cred);
+
+ if ((uid != kauth_cred_getuid(kauth_cred_get()))
+ && suser(kauth_cred_get(), &cur_proc->p_acflag)) {
+ proc_rele(p);
return (EINVAL);
+ }
if ((u_int)arg_size > p->p_argslen)
arg_size = round_page(p->p_argslen);
arg_addr = p->user_stack - arg_size;
-
/*
* Before we can block (any VM code), make another
* reference to the map to keep it alive. We do
* that by getting a reference on the task itself.
*/
task = p->task;
- if (task == NULL)
+ if (task == NULL) {
+ proc_rele(p);
return(EINVAL);
-
+ }
+
+ /* save off argc before releasing the proc */
+ argc = p->p_argc;
+
+ argslen = p->p_argslen;
/*
* Once we have a task reference we can convert that into a
* map reference, which we will use in the calls below. The
* of stale info (which is always a possibility).
*/
task_reference(task);
+ proc_rele(p);
proc_map = get_task_map_reference(task);
task_deallocate(task);
+
if (proc_map == NULL)
return(EINVAL);
- ret = kmem_alloc(kernel_map, ©_start, round_page(arg_size));
+ ret = kmem_alloc(kernel_map, ©_start, round_page(arg_size), VM_KERN_MEMORY_BSD);
if (ret != KERN_SUCCESS) {
vm_map_deallocate(proc_map);
return(ENOMEM);
tmp, FALSE) != KERN_SUCCESS) {
kmem_free(kernel_map, copy_start,
round_page(arg_size));
+ vm_map_copy_discard(tmp);
return (EIO);
}
- if (arg_size > p->p_argslen) {
- data = (caddr_t) (copy_end - p->p_argslen);
- size = p->p_argslen;
+ if (arg_size > argslen) {
+ data = (caddr_t) (copy_end - argslen);
+ size = argslen;
} else {
data = (caddr_t) (copy_end - arg_size);
size = arg_size;
}
+ /*
+ * When these sysctls were introduced, the first string in the strings
+ * section was just the bare path of the executable. However, for security
+ * reasons we now prefix this string with executable_path= so it can be
+ * parsed getenv style. To avoid binary compatability issues with exising
+ * callers of this sysctl, we strip it off here if present.
+ * (rdar://problem/13746466)
+ */
+#define EXECUTABLE_KEY "executable_path="
+ if (strncmp(EXECUTABLE_KEY, data, strlen(EXECUTABLE_KEY)) == 0){
+ data += strlen(EXECUTABLE_KEY);
+ size -= strlen(EXECUTABLE_KEY);
+ }
+
if (argc_yes) {
/* Put processes argc as the first word in the copyout buffer */
- suword(where, p->p_argc);
+ suword(where, argc);
error = copyout(data, (where + sizeof(int)), size);
size += sizeof(int);
} else {
*
* Note: we keep all pointers&sizes aligned to word boundries
*/
- if ( (! error) && (buflen > 0 && (u_int)buflen > p->p_argslen) )
+ if ( (! error) && (buflen > 0 && (u_int)buflen > argslen) )
{
int binPath_sz, alignedBinPath_sz = 0;
int extraSpaceNeeded, addThis;
binPath_sz = 0;
- while ( (binPath_sz < max_len-1) && (*str++ != 0) )
- binPath_sz++;
+ while ( (binPath_sz < max_len-1) && (*str++ != 0) )
+ binPath_sz++;
+
+ /* If we have a NUL terminator, copy it, too */
+ if (binPath_sz < max_len-1) binPath_sz += 1;
+
+ /* Pre-Flight the space requiremnts */
+
+ /* Account for the padding that fills out binPath to the next word */
+ alignedBinPath_sz += (binPath_sz & (sizeof(int)-1)) ? (sizeof(int)-(binPath_sz & (sizeof(int)-1))) : 0;
+
+ placeHere = where + size;
+
+ /* Account for the bytes needed to keep placeHere word aligned */
+ addThis = (placeHere & (sizeof(int)-1)) ? (sizeof(int)-(placeHere & (sizeof(int)-1))) : 0;
+
+ /* Add up all the space that is needed */
+ extraSpaceNeeded = alignedBinPath_sz + addThis + binPath_sz + (4 * sizeof(int));
+
+ /* is there is room to tack on argv[0]? */
+ if ( (buflen & ~(sizeof(int)-1)) >= ( argslen + extraSpaceNeeded ))
+ {
+ placeHere += addThis;
+ suword(placeHere, 0);
+ placeHere += sizeof(int);
+ suword(placeHere, 0xBFFF0000);
+ placeHere += sizeof(int);
+ suword(placeHere, 0);
+ placeHere += sizeof(int);
+ error = copyout(data, placeHere, binPath_sz);
+ if ( ! error )
+ {
+ placeHere += binPath_sz;
+ suword(placeHere, 0);
+ size += extraSpaceNeeded;
+ }
+ }
+ }
+ }
+
+ if (copy_start != (vm_offset_t) 0) {
+ kmem_free(kernel_map, copy_start, copy_end - copy_start);
+ }
+ if (error) {
+ return(error);
+ }
+
+ if (where != USER_ADDR_NULL)
+ *sizep = size;
+ return (0);
+}
+
+
+/*
+ * Max number of concurrent aio requests
+ */
+STATIC int
+sysctl_aiomax
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ int new_value, changed;
+ int error = sysctl_io_number(req, aio_max_requests, sizeof(int), &new_value, &changed);
+ if (changed) {
+ /* make sure the system-wide limit is greater than the per process limit */
+ if (new_value >= aio_max_requests_per_process && new_value <= AIO_MAX_REQUESTS)
+ aio_max_requests = new_value;
+ else
+ error = EINVAL;
+ }
+ return(error);
+}
+
+
+/*
+ * Max number of concurrent aio requests per process
+ */
+STATIC int
+sysctl_aioprocmax
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ int new_value, changed;
+ int error = sysctl_io_number(req, aio_max_requests_per_process, sizeof(int), &new_value, &changed);
+ if (changed) {
+ /* make sure per process limit is less than the system-wide limit */
+ if (new_value <= aio_max_requests && new_value >= AIO_LISTIO_MAX)
+ aio_max_requests_per_process = new_value;
+ else
+ error = EINVAL;
+ }
+ return(error);
+}
+
+
+/*
+ * Max number of async IO worker threads
+ */
+STATIC int
+sysctl_aiothreads
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ int new_value, changed;
+ int error = sysctl_io_number(req, aio_worker_threads, sizeof(int), &new_value, &changed);
+ if (changed) {
+ /* we only allow an increase in the number of worker threads */
+ if (new_value > aio_worker_threads ) {
+ _aio_create_worker_threads((new_value - aio_worker_threads));
+ aio_worker_threads = new_value;
+ }
+ else
+ error = EINVAL;
+ }
+ return(error);
+}
+
+
+/*
+ * System-wide limit on the max number of processes
+ */
+STATIC int
+sysctl_maxproc
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ int new_value, changed;
+ int error = sysctl_io_number(req, maxproc, sizeof(int), &new_value, &changed);
+ if (changed) {
+ AUDIT_ARG(value32, new_value);
+ /* make sure the system-wide limit is less than the configured hard
+ limit set at kernel compilation */
+ if (new_value <= hard_maxproc && new_value > 0)
+ maxproc = new_value;
+ else
+ error = EINVAL;
+ }
+ return(error);
+}
+
+SYSCTL_STRING(_kern, KERN_OSTYPE, ostype,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ ostype, 0, "");
+SYSCTL_STRING(_kern, KERN_OSRELEASE, osrelease,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ osrelease, 0, "");
+SYSCTL_INT(_kern, KERN_OSREV, osrevision,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ (int *)NULL, BSD, "");
+SYSCTL_STRING(_kern, KERN_VERSION, version,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ version, 0, "");
+SYSCTL_STRING(_kern, OID_AUTO, uuid,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &kernel_uuid_string[0], 0, "");
+#if DEBUG
+#ifndef DKPR
+#define DKPR 1
+#endif
+#endif
+
+#if DKPR
+int debug_kprint_syscall = 0;
+char debug_kprint_syscall_process[MAXCOMLEN+1];
+
+/* Thread safe: bits and string value are not used to reclaim state */
+SYSCTL_INT (_debug, OID_AUTO, kprint_syscall,
+ CTLFLAG_RW | CTLFLAG_LOCKED, &debug_kprint_syscall, 0, "kprintf syscall tracing");
+SYSCTL_STRING(_debug, OID_AUTO, kprint_syscall_process,
+ CTLFLAG_RW | CTLFLAG_LOCKED, debug_kprint_syscall_process, sizeof(debug_kprint_syscall_process),
+ "name of process for kprintf syscall tracing");
+
+int debug_kprint_current_process(const char **namep)
+{
+ struct proc *p = current_proc();
+
+ if (p == NULL) {
+ return 0;
+ }
+
+ if (debug_kprint_syscall_process[0]) {
+ /* user asked to scope tracing to a particular process name */
+ if(0 == strncmp(debug_kprint_syscall_process,
+ p->p_comm, sizeof(debug_kprint_syscall_process))) {
+ /* no value in telling the user that we traced what they asked */
+ if(namep) *namep = NULL;
+
+ return 1;
+ } else {
+ return 0;
+ }
+ }
+
+ /* trace all processes. Tell user what we traced */
+ if (namep) {
+ *namep = p->p_comm;
+ }
+
+ return 1;
+}
+#endif
+
+/* PR-5293665: need to use a callback function for kern.osversion to set
+ * osversion in IORegistry */
+
+STATIC int
+sysctl_osversion(__unused struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req)
+{
+ int rval = 0;
+
+ rval = sysctl_handle_string(oidp, arg1, arg2, req);
+
+ if (req->newptr) {
+ IORegistrySetOSBuildVersion((char *)arg1);
+ }
+
+ return rval;
+}
+
+SYSCTL_PROC(_kern, KERN_OSVERSION, osversion,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLTYPE_STRING | CTLFLAG_LOCKED,
+ osversion, 256 /* OSVERSIZE*/,
+ sysctl_osversion, "A", "");
+
+static uint64_t osvariant_status = 0;
+
+STATIC int
+sysctl_osvariant_status(__unused struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req)
+{
+ if (req->newptr != 0) {
+ /*
+ * Can only ever be set by launchd, and only once at boot.
+ */
+ if (req->p->p_pid != 1 || osvariant_status != 0) {
+ return EPERM;
+ }
+ }
+
+ return sysctl_handle_quad(oidp, arg1, arg2, req);
+}
+
+SYSCTL_PROC(_kern, OID_AUTO, osvariant_status,
+ CTLFLAG_RW | CTLTYPE_QUAD | CTLFLAG_LOCKED | CTLFLAG_MASKED,
+ &osvariant_status, sizeof(osvariant_status),
+ sysctl_osvariant_status, "Q", "Opaque flags used to cache OS variant information");
+
+STATIC int
+sysctl_sysctl_bootargs
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ int error;
+ /* BOOT_LINE_LENGTH */
+#if CONFIG_EMBEDDED
+ size_t boot_args_len = 256;
+#else
+ size_t boot_args_len = 1024;
+#endif
+ char buf[boot_args_len];
+
+ strlcpy(buf, PE_boot_args(), boot_args_len);
+ error = sysctl_io_string(req, buf, boot_args_len, 0, NULL);
+ return(error);
+}
+
+SYSCTL_PROC(_kern, OID_AUTO, bootargs,
+ CTLFLAG_LOCKED | CTLFLAG_RD | CTLFLAG_KERN | CTLTYPE_STRING,
+ NULL, 0,
+ sysctl_sysctl_bootargs, "A", "bootargs");
+
+SYSCTL_INT(_kern, KERN_MAXFILES, maxfiles,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &maxfiles, 0, "");
+SYSCTL_INT(_kern, KERN_ARGMAX, argmax,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ (int *)NULL, ARG_MAX, "");
+SYSCTL_INT(_kern, KERN_POSIX1, posix1version,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ (int *)NULL, _POSIX_VERSION, "");
+SYSCTL_INT(_kern, KERN_NGROUPS, ngroups,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ (int *)NULL, NGROUPS_MAX, "");
+SYSCTL_INT(_kern, KERN_JOB_CONTROL, job_control,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ (int *)NULL, 1, "");
+#if 1 /* _POSIX_SAVED_IDS from <unistd.h> */
+SYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ (int *)NULL, 1, "");
+#else
+SYSCTL_INT(_kern, KERN_SAVED_IDS, saved_ids,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ NULL, 0, "");
+#endif
+SYSCTL_INT(_kern, OID_AUTO, num_files,
+ CTLFLAG_RD | CTLFLAG_LOCKED,
+ &nfiles, 0, "");
+SYSCTL_COMPAT_INT(_kern, OID_AUTO, num_vnodes,
+ CTLFLAG_RD | CTLFLAG_LOCKED,
+ &numvnodes, 0, "");
+SYSCTL_INT(_kern, OID_AUTO, num_tasks,
+ CTLFLAG_RD | CTLFLAG_LOCKED,
+ &task_max, 0, "");
+SYSCTL_INT(_kern, OID_AUTO, num_threads,
+ CTLFLAG_RD | CTLFLAG_LOCKED,
+ &thread_max, 0, "");
+SYSCTL_INT(_kern, OID_AUTO, num_taskthreads,
+ CTLFLAG_RD | CTLFLAG_LOCKED,
+ &task_threadmax, 0, "");
+
+STATIC int
+sysctl_maxvnodes (__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ int oldval = desiredvnodes;
+ int error = sysctl_io_number(req, desiredvnodes, sizeof(int), &desiredvnodes, NULL);
+
+ if (oldval != desiredvnodes) {
+ resize_namecache(desiredvnodes);
+ }
+
+ return(error);
+}
+
+SYSCTL_INT(_kern, OID_AUTO, namecache_disabled,
+ CTLFLAG_RW | CTLFLAG_LOCKED,
+ &nc_disabled, 0, "");
+
+SYSCTL_PROC(_kern, KERN_MAXVNODES, maxvnodes,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
+ 0, 0, sysctl_maxvnodes, "I", "");
+
+SYSCTL_PROC(_kern, KERN_MAXPROC, maxproc,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
+ 0, 0, sysctl_maxproc, "I", "");
+
+SYSCTL_PROC(_kern, KERN_AIOMAX, aiomax,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
+ 0, 0, sysctl_aiomax, "I", "");
+
+SYSCTL_PROC(_kern, KERN_AIOPROCMAX, aioprocmax,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
+ 0, 0, sysctl_aioprocmax, "I", "");
+
+SYSCTL_PROC(_kern, KERN_AIOTHREADS, aiothreads,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
+ 0, 0, sysctl_aiothreads, "I", "");
+
+#if (DEVELOPMENT || DEBUG)
+extern int sched_smt_balance;
+SYSCTL_INT(_kern, OID_AUTO, sched_smt_balance,
+ CTLFLAG_KERN| CTLFLAG_RW| CTLFLAG_LOCKED,
+ &sched_smt_balance, 0, "");
+#if __arm__ || __arm64__
+extern uint32_t perfcontrol_requested_recommended_cores;
+SYSCTL_UINT(_kern, OID_AUTO, sched_recommended_cores,
+ CTLFLAG_KERN | CTLFLAG_RD | CTLFLAG_LOCKED,
+ &perfcontrol_requested_recommended_cores, 0, "");
+
+/* Scheduler perfcontrol callouts sysctls */
+SYSCTL_DECL(_kern_perfcontrol_callout);
+SYSCTL_NODE(_kern, OID_AUTO, perfcontrol_callout, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
+ "scheduler perfcontrol callouts");
+
+extern int perfcontrol_callout_stats_enabled;
+SYSCTL_INT(_kern_perfcontrol_callout, OID_AUTO, stats_enabled,
+ CTLFLAG_KERN| CTLFLAG_RW| CTLFLAG_LOCKED,
+ &perfcontrol_callout_stats_enabled, 0, "");
+
+extern uint64_t perfcontrol_callout_stat_avg(perfcontrol_callout_type_t type,
+ perfcontrol_callout_stat_t stat);
+
+/* On-Core Callout */
+STATIC int
+sysctl_perfcontrol_callout_stat
+(__unused struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req)
+{
+ perfcontrol_callout_stat_t stat = (perfcontrol_callout_stat_t)arg1;
+ perfcontrol_callout_type_t type = (perfcontrol_callout_type_t)arg2;
+ return sysctl_io_number(req, (int)perfcontrol_callout_stat_avg(type, stat),
+ sizeof(int), NULL, NULL);
+}
+
+SYSCTL_PROC(_kern_perfcontrol_callout, OID_AUTO, oncore_instr,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *)PERFCONTROL_STAT_INSTRS, PERFCONTROL_CALLOUT_ON_CORE,
+ sysctl_perfcontrol_callout_stat, "I", "");
+SYSCTL_PROC(_kern_perfcontrol_callout, OID_AUTO, oncore_cycles,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *)PERFCONTROL_STAT_CYCLES, PERFCONTROL_CALLOUT_ON_CORE,
+ sysctl_perfcontrol_callout_stat, "I", "");
+SYSCTL_PROC(_kern_perfcontrol_callout, OID_AUTO, offcore_instr,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *)PERFCONTROL_STAT_INSTRS, PERFCONTROL_CALLOUT_OFF_CORE,
+ sysctl_perfcontrol_callout_stat, "I", "");
+SYSCTL_PROC(_kern_perfcontrol_callout, OID_AUTO, offcore_cycles,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *)PERFCONTROL_STAT_CYCLES, PERFCONTROL_CALLOUT_OFF_CORE,
+ sysctl_perfcontrol_callout_stat, "I", "");
+SYSCTL_PROC(_kern_perfcontrol_callout, OID_AUTO, context_instr,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *)PERFCONTROL_STAT_INSTRS, PERFCONTROL_CALLOUT_CONTEXT,
+ sysctl_perfcontrol_callout_stat, "I", "");
+SYSCTL_PROC(_kern_perfcontrol_callout, OID_AUTO, context_cycles,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *)PERFCONTROL_STAT_CYCLES, PERFCONTROL_CALLOUT_CONTEXT,
+ sysctl_perfcontrol_callout_stat, "I", "");
+SYSCTL_PROC(_kern_perfcontrol_callout, OID_AUTO, update_instr,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *)PERFCONTROL_STAT_INSTRS, PERFCONTROL_CALLOUT_STATE_UPDATE,
+ sysctl_perfcontrol_callout_stat, "I", "");
+SYSCTL_PROC(_kern_perfcontrol_callout, OID_AUTO, update_cycles,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *)PERFCONTROL_STAT_CYCLES, PERFCONTROL_CALLOUT_STATE_UPDATE,
+ sysctl_perfcontrol_callout_stat, "I", "");
+
+#endif /* __arm__ || __arm64__ */
+#endif /* (DEVELOPMENT || DEBUG) */
+
+STATIC int
+sysctl_securelvl
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ int new_value, changed;
+ int error = sysctl_io_number(req, securelevel, sizeof(int), &new_value, &changed);
+ if (changed) {
+ if (!(new_value < securelevel && req->p->p_pid != 1)) {
+ proc_list_lock();
+ securelevel = new_value;
+ proc_list_unlock();
+ } else {
+ error = EPERM;
+ }
+ }
+ return(error);
+}
+
+SYSCTL_PROC(_kern, KERN_SECURELVL, securelevel,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
+ 0, 0, sysctl_securelvl, "I", "");
+
+
+STATIC int
+sysctl_domainname
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ int error, changed;
+ error = sysctl_io_string(req, domainname, sizeof(domainname), 0, &changed);
+ if (changed) {
+ domainnamelen = strlen(domainname);
+ }
+ return(error);
+}
+
+SYSCTL_PROC(_kern, KERN_DOMAINNAME, nisdomainname,
+ CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
+ 0, 0, sysctl_domainname, "A", "");
+
+SYSCTL_COMPAT_INT(_kern, KERN_HOSTID, hostid,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &hostid, 0, "");
+
+STATIC int
+sysctl_hostname
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ int error, changed;
+ error = sysctl_io_string(req, hostname, sizeof(hostname), 1, &changed);
+ if (changed) {
+ hostnamelen = req->newlen;
+ }
+ return(error);
+}
+
+
+SYSCTL_PROC(_kern, KERN_HOSTNAME, hostname,
+ CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
+ 0, 0, sysctl_hostname, "A", "");
+
+STATIC int
+sysctl_procname
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ /* Original code allowed writing, I'm copying this, although this all makes
+ no sense to me. Besides, this sysctl is never used. */
+ return sysctl_io_string(req, &req->p->p_name[0], (2*MAXCOMLEN+1), 1, NULL);
+}
+
+SYSCTL_PROC(_kern, KERN_PROCNAME, procname,
+ CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_LOCKED,
+ 0, 0, sysctl_procname, "A", "");
+
+SYSCTL_INT(_kern, KERN_SPECULATIVE_READS, speculative_reads_disabled,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &speculative_reads_disabled, 0, "");
+
+SYSCTL_UINT(_kern, OID_AUTO, preheat_max_bytes,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &preheat_max_bytes, 0, "");
+
+SYSCTL_UINT(_kern, OID_AUTO, preheat_min_bytes,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &preheat_min_bytes, 0, "");
+
+SYSCTL_UINT(_kern, OID_AUTO, speculative_prefetch_max,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &speculative_prefetch_max, 0, "");
+
+SYSCTL_UINT(_kern, OID_AUTO, speculative_prefetch_max_iosize,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &speculative_prefetch_max_iosize, 0, "");
+
+SYSCTL_UINT(_kern, OID_AUTO, vm_page_free_target,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &vm_page_free_target, 0, "");
+
+SYSCTL_UINT(_kern, OID_AUTO, vm_page_free_min,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &vm_page_free_min, 0, "");
+
+SYSCTL_UINT(_kern, OID_AUTO, vm_page_free_reserved,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &vm_page_free_reserved, 0, "");
+
+SYSCTL_UINT(_kern, OID_AUTO, vm_page_speculative_percentage,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &vm_page_speculative_percentage, 0, "");
+
+SYSCTL_UINT(_kern, OID_AUTO, vm_page_speculative_q_age_ms,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &vm_page_speculative_q_age_ms, 0, "");
+
+SYSCTL_UINT(_kern, OID_AUTO, vm_max_delayed_work_limit,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &vm_max_delayed_work_limit, 0, "");
+
+SYSCTL_UINT(_kern, OID_AUTO, vm_max_batch,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &vm_max_batch, 0, "");
+
+SYSCTL_STRING(_kern, OID_AUTO, bootsessionuuid,
+ CTLFLAG_RD | CTLFLAG_LOCKED,
+ &bootsessionuuid_string, sizeof(bootsessionuuid_string) , "");
+
+STATIC int
+sysctl_boottime
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ struct timeval tv;
+ boottime_timeval(&tv);
+ struct proc *p = req->p;
+
+ if (proc_is64bit(p)) {
+ struct user64_timeval t = {};
+ t.tv_sec = tv.tv_sec;
+ t.tv_usec = tv.tv_usec;
+ return sysctl_io_opaque(req, &t, sizeof(t), NULL);
+ } else {
+ struct user32_timeval t = {};
+ t.tv_sec = tv.tv_sec;
+ t.tv_usec = tv.tv_usec;
+ return sysctl_io_opaque(req, &t, sizeof(t), NULL);
+ }
+}
+
+SYSCTL_PROC(_kern, KERN_BOOTTIME, boottime,
+ CTLTYPE_STRUCT | CTLFLAG_KERN | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, sysctl_boottime, "S,timeval", "");
+
+STATIC int
+sysctl_symfile
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ char *str;
+ int error = get_kernel_symfile(req->p, &str);
+ if (error)
+ return (error);
+ return sysctl_io_string(req, str, 0, 0, NULL);
+}
+
+
+SYSCTL_PROC(_kern, KERN_SYMFILE, symfile,
+ CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, sysctl_symfile, "A", "");
+
+#if NFSCLIENT
+STATIC int
+sysctl_netboot
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ return sysctl_io_number(req, netboot_root(), sizeof(int), NULL, NULL);
+}
+
+SYSCTL_PROC(_kern, KERN_NETBOOT, netboot,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, sysctl_netboot, "I", "");
+#endif
+
+#ifdef CONFIG_IMGSRC_ACCESS
+/*
+ * Legacy--act as if only one layer of nesting is possible.
+ */
+STATIC int
+sysctl_imgsrcdev
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ vfs_context_t ctx = vfs_context_current();
+ vnode_t devvp;
+ int result;
+
+ if (!vfs_context_issuser(ctx)) {
+ return EPERM;
+ }
+
+ if (imgsrc_rootvnodes[0] == NULL) {
+ return ENOENT;
+ }
+
+ result = vnode_getwithref(imgsrc_rootvnodes[0]);
+ if (result != 0) {
+ return result;
+ }
+
+ devvp = vnode_mount(imgsrc_rootvnodes[0])->mnt_devvp;
+ result = vnode_getwithref(devvp);
+ if (result != 0) {
+ goto out;
+ }
+
+ result = sysctl_io_number(req, vnode_specrdev(devvp), sizeof(dev_t), NULL, NULL);
+
+ vnode_put(devvp);
+out:
+ vnode_put(imgsrc_rootvnodes[0]);
+ return result;
+}
+
+SYSCTL_PROC(_kern, OID_AUTO, imgsrcdev,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, sysctl_imgsrcdev, "I", "");
+
+STATIC int
+sysctl_imgsrcinfo
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ int error;
+ struct imgsrc_info info[MAX_IMAGEBOOT_NESTING] = {}; /* 2 for now, no problem */
+ uint32_t i;
+ vnode_t rvp, devvp;
+
+ if (imgsrc_rootvnodes[0] == NULLVP) {
+ return ENXIO;
+ }
+
+ for (i = 0; i < MAX_IMAGEBOOT_NESTING; i++) {
+ /*
+ * Go get the root vnode.
+ */
+ rvp = imgsrc_rootvnodes[i];
+ if (rvp == NULLVP) {
+ break;
+ }
+
+ error = vnode_get(rvp);
+ if (error != 0) {
+ return error;
+ }
+
+ /*
+ * For now, no getting at a non-local volume.
+ */
+ devvp = vnode_mount(rvp)->mnt_devvp;
+ if (devvp == NULL) {
+ vnode_put(rvp);
+ return EINVAL;
+ }
+
+ error = vnode_getwithref(devvp);
+ if (error != 0) {
+ vnode_put(rvp);
+ return error;
+ }
+
+ /*
+ * Fill in info.
+ */
+ info[i].ii_dev = vnode_specrdev(devvp);
+ info[i].ii_flags = 0;
+ info[i].ii_height = i;
+ bzero(info[i].ii_reserved, sizeof(info[i].ii_reserved));
+
+ vnode_put(devvp);
+ vnode_put(rvp);
+ }
+
+ return sysctl_io_opaque(req, info, i * sizeof(info[0]), NULL);
+}
+
+SYSCTL_PROC(_kern, OID_AUTO, imgsrcinfo,
+ CTLTYPE_OPAQUE | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, sysctl_imgsrcinfo, "I", "");
+
+#endif /* CONFIG_IMGSRC_ACCESS */
+
+
+SYSCTL_DECL(_kern_timer);
+SYSCTL_NODE(_kern, OID_AUTO, timer, CTLFLAG_RW | CTLFLAG_LOCKED, 0, "timer");
+
+
+SYSCTL_INT(_kern_timer, OID_AUTO, coalescing_enabled,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &mach_timer_coalescing_enabled, 0, "");
+
+SYSCTL_QUAD(_kern_timer, OID_AUTO, deadline_tracking_bin_1,
+ CTLFLAG_RW | CTLFLAG_LOCKED,
+ &timer_deadline_tracking_bin_1, "");
+SYSCTL_QUAD(_kern_timer, OID_AUTO, deadline_tracking_bin_2,
+ CTLFLAG_RW | CTLFLAG_LOCKED,
+ &timer_deadline_tracking_bin_2, "");
+
+SYSCTL_DECL(_kern_timer_longterm);
+SYSCTL_NODE(_kern_timer, OID_AUTO, longterm, CTLFLAG_RW | CTLFLAG_LOCKED, 0, "longterm");
+
+
+/* Must match definition in osfmk/kern/timer_call.c */
+enum {
+ THRESHOLD, QCOUNT,
+ ENQUEUES, DEQUEUES, ESCALATES, SCANS, PREEMPTS,
+ LATENCY, LATENCY_MIN, LATENCY_MAX, SCAN_LIMIT, PAUSES
+};
+extern uint64_t timer_sysctl_get(int);
+extern int timer_sysctl_set(int, uint64_t);
+
+STATIC int
+sysctl_timer
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ int oid = (int)arg1;
+ uint64_t value = timer_sysctl_get(oid);
+ uint64_t new_value;
+ int error;
+ int changed;
+
+ error = sysctl_io_number(req, value, sizeof(value), &new_value, &changed);
+ if (changed)
+ error = timer_sysctl_set(oid, new_value);
+
+ return error;
+}
+
+SYSCTL_PROC(_kern_timer_longterm, OID_AUTO, threshold,
+ CTLTYPE_QUAD | CTLFLAG_RW | CTLFLAG_LOCKED,
+ (void *) THRESHOLD, 0, sysctl_timer, "Q", "");
+SYSCTL_PROC(_kern_timer_longterm, OID_AUTO, scan_limit,
+ CTLTYPE_QUAD | CTLFLAG_RW | CTLFLAG_LOCKED,
+ (void *) SCAN_LIMIT, 0, sysctl_timer, "Q", "");
+SYSCTL_PROC(_kern_timer_longterm, OID_AUTO, qlen,
+ CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *) QCOUNT, 0, sysctl_timer, "Q", "");
+#if DEBUG
+SYSCTL_PROC(_kern_timer_longterm, OID_AUTO, enqueues,
+ CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *) ENQUEUES, 0, sysctl_timer, "Q", "");
+SYSCTL_PROC(_kern_timer_longterm, OID_AUTO, dequeues,
+ CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *) DEQUEUES, 0, sysctl_timer, "Q", "");
+SYSCTL_PROC(_kern_timer_longterm, OID_AUTO, escalates,
+ CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *) ESCALATES, 0, sysctl_timer, "Q", "");
+SYSCTL_PROC(_kern_timer_longterm, OID_AUTO, scans,
+ CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *) SCANS, 0, sysctl_timer, "Q", "");
+SYSCTL_PROC(_kern_timer_longterm, OID_AUTO, preempts,
+ CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *) PREEMPTS, 0, sysctl_timer, "Q", "");
+SYSCTL_PROC(_kern_timer_longterm, OID_AUTO, latency,
+ CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *) LATENCY, 0, sysctl_timer, "Q", "");
+SYSCTL_PROC(_kern_timer_longterm, OID_AUTO, latency_min,
+ CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *) LATENCY_MIN, 0, sysctl_timer, "Q", "");
+SYSCTL_PROC(_kern_timer_longterm, OID_AUTO, latency_max,
+ CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *) LATENCY_MAX, 0, sysctl_timer, "Q", "");
+SYSCTL_PROC(_kern_timer_longterm, OID_AUTO, scan_pauses,
+ CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
+ (void *) PAUSES, 0, sysctl_timer, "Q", "");
+#endif /* DEBUG */
+
+STATIC int
+sysctl_usrstack
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ return sysctl_io_number(req, (int)req->p->user_stack, sizeof(int), NULL, NULL);
+}
+
+SYSCTL_PROC(_kern, KERN_USRSTACK32, usrstack,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, sysctl_usrstack, "I", "");
+
+STATIC int
+sysctl_usrstack64
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ return sysctl_io_number(req, req->p->user_stack, sizeof(req->p->user_stack), NULL, NULL);
+}
+
+SYSCTL_PROC(_kern, KERN_USRSTACK64, usrstack64,
+ CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, sysctl_usrstack64, "Q", "");
+
+#if CONFIG_COREDUMP
+
+SYSCTL_STRING(_kern, KERN_COREFILE, corefile,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ corefilename, sizeof(corefilename), "");
+
+STATIC int
+sysctl_coredump
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+#ifdef SECURE_KERNEL
+ (void)req;
+ return (ENOTSUP);
+#else
+ int new_value, changed;
+ int error = sysctl_io_number(req, do_coredump, sizeof(int), &new_value, &changed);
+ if (changed) {
+ if ((new_value == 0) || (new_value == 1))
+ do_coredump = new_value;
+ else
+ error = EINVAL;
+ }
+ return(error);
+#endif
+}
+
+SYSCTL_PROC(_kern, KERN_COREDUMP, coredump,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
+ 0, 0, sysctl_coredump, "I", "");
+
+STATIC int
+sysctl_suid_coredump
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+#ifdef SECURE_KERNEL
+ (void)req;
+ return (ENOTSUP);
+#else
+ int new_value, changed;
+ int error = sysctl_io_number(req, sugid_coredump, sizeof(int), &new_value, &changed);
+ if (changed) {
+ if ((new_value == 0) || (new_value == 1))
+ sugid_coredump = new_value;
+ else
+ error = EINVAL;
+ }
+ return(error);
+#endif
+}
+
+SYSCTL_PROC(_kern, KERN_SUGID_COREDUMP, sugid_coredump,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
+ 0, 0, sysctl_suid_coredump, "I", "");
+
+#endif /* CONFIG_COREDUMP */
+
+STATIC int
+sysctl_delayterm
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ struct proc *p = req->p;
+ int new_value, changed;
+ int error = sysctl_io_number(req, (req->p->p_lflag & P_LDELAYTERM)? 1: 0, sizeof(int), &new_value, &changed);
+ if (changed) {
+ proc_lock(p);
+ if (new_value)
+ req->p->p_lflag |= P_LDELAYTERM;
+ else
+ req->p->p_lflag &= ~P_LDELAYTERM;
+ proc_unlock(p);
+ }
+ return(error);
+}
+
+SYSCTL_PROC(_kern, KERN_PROCDELAYTERM, delayterm,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
+ 0, 0, sysctl_delayterm, "I", "");
+
+
+STATIC int
+sysctl_rage_vnode
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ struct proc *p = req->p;
+ struct uthread *ut;
+ int new_value, old_value, changed;
+ int error;
+
+ ut = get_bsdthread_info(current_thread());
+
+ if (ut->uu_flag & UT_RAGE_VNODES)
+ old_value = KERN_RAGE_THREAD;
+ else if (p->p_lflag & P_LRAGE_VNODES)
+ old_value = KERN_RAGE_PROC;
+ else
+ old_value = 0;
+
+ error = sysctl_io_number(req, old_value, sizeof(int), &new_value, &changed);
+
+ if (error == 0) {
+ switch (new_value) {
+ case KERN_RAGE_PROC:
+ proc_lock(p);
+ p->p_lflag |= P_LRAGE_VNODES;
+ proc_unlock(p);
+ break;
+ case KERN_UNRAGE_PROC:
+ proc_lock(p);
+ p->p_lflag &= ~P_LRAGE_VNODES;
+ proc_unlock(p);
+ break;
+
+ case KERN_RAGE_THREAD:
+ ut->uu_flag |= UT_RAGE_VNODES;
+ break;
+ case KERN_UNRAGE_THREAD:
+ ut = get_bsdthread_info(current_thread());
+ ut->uu_flag &= ~UT_RAGE_VNODES;
+ break;
+ }
+ }
+ return(error);
+}
+
+SYSCTL_PROC(_kern, KERN_RAGEVNODE, rage_vnode,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_LOCKED,
+ 0, 0, sysctl_rage_vnode, "I", "");
+
+/* XXX move this interface into libproc and remove this sysctl */
+STATIC int
+sysctl_setthread_cpupercent
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ int new_value, old_value;
+ int error = 0;
+ kern_return_t kret = KERN_SUCCESS;
+ uint8_t percent = 0;
+ int ms_refill = 0;
+
+ if (!req->newptr)
+ return (0);
+
+ old_value = 0;
+
+ if ((error = sysctl_io_number(req, old_value, sizeof(old_value), &new_value, NULL)) != 0)
+ return (error);
+
+ percent = new_value & 0xff; /* low 8 bytes for perent */
+ ms_refill = (new_value >> 8) & 0xffffff; /* upper 24bytes represent ms refill value */
+ if (percent > 100)
+ return (EINVAL);
+
+ /*
+ * If the caller is specifying a percentage of 0, this will unset the CPU limit, if present.
+ */
+ if ((kret = thread_set_cpulimit(THREAD_CPULIMIT_BLOCK, percent, ms_refill * (int)NSEC_PER_MSEC)) != 0)
+ return (EIO);
+
+ return (0);
+}
+
+SYSCTL_PROC(_kern, OID_AUTO, setthread_cpupercent,
+ CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_ANYBODY,
+ 0, 0, sysctl_setthread_cpupercent, "I", "set thread cpu percentage limit");
+
+
+STATIC int
+sysctl_kern_check_openevt
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ struct proc *p = req->p;
+ int new_value, old_value, changed;
+ int error;
+
+ if (p->p_flag & P_CHECKOPENEVT) {
+ old_value = KERN_OPENEVT_PROC;
+ } else {
+ old_value = 0;
+ }
+
+ error = sysctl_io_number(req, old_value, sizeof(int), &new_value, &changed);
+
+ if (error == 0) {
+ switch (new_value) {
+ case KERN_OPENEVT_PROC:
+ OSBitOrAtomic(P_CHECKOPENEVT, &p->p_flag);
+ break;
+
+ case KERN_UNOPENEVT_PROC:
+ OSBitAndAtomic(~((uint32_t)P_CHECKOPENEVT), &p->p_flag);
+ break;
+
+ default:
+ error = EINVAL;
+ }
+ }
+ return(error);
+}
+
+SYSCTL_PROC(_kern, KERN_CHECKOPENEVT, check_openevt, CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_LOCKED,
+ 0, 0, sysctl_kern_check_openevt, "I", "set the per-process check-open-evt flag");
+
+
+
+STATIC int
+sysctl_nx
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+#ifdef SECURE_KERNEL
+ (void)req;
+ return ENOTSUP;
+#else
+ int new_value, changed;
+ int error;
+
+ error = sysctl_io_number(req, nx_enabled, sizeof(nx_enabled), &new_value, &changed);
+ if (error)
+ return error;
+
+ if (changed) {
+#if defined(__i386__) || defined(__x86_64__)
+ /*
+ * Only allow setting if NX is supported on the chip
+ */
+ if (!(cpuid_extfeatures() & CPUID_EXTFEATURE_XD))
+ return ENOTSUP;
+#endif
+ nx_enabled = new_value;
+ }
+ return(error);
+#endif /* SECURE_KERNEL */
+}
+
+
+
+SYSCTL_PROC(_kern, KERN_NX_PROTECTION, nx,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ 0, 0, sysctl_nx, "I", "");
+
+STATIC int
+sysctl_loadavg
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ if (proc_is64bit(req->p)) {
+ struct user64_loadavg loadinfo64 = {};
+ fill_loadavg64(&averunnable, &loadinfo64);
+ return sysctl_io_opaque(req, &loadinfo64, sizeof(loadinfo64), NULL);
+ } else {
+ struct user32_loadavg loadinfo32 = {};
+ fill_loadavg32(&averunnable, &loadinfo32);
+ return sysctl_io_opaque(req, &loadinfo32, sizeof(loadinfo32), NULL);
+ }
+}
+
+SYSCTL_PROC(_vm, VM_LOADAVG, loadavg,
+ CTLTYPE_STRUCT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, sysctl_loadavg, "S,loadavg", "");
+
+/*
+ * Note: Thread safe; vm_map_lock protects in vm_toggle_entry_reuse()
+ */
+STATIC int
+sysctl_vm_toggle_address_reuse(__unused struct sysctl_oid *oidp, __unused void *arg1,
+ __unused int arg2, struct sysctl_req *req)
+{
+ int old_value=0, new_value=0, error=0;
+
+ if(vm_toggle_entry_reuse( VM_TOGGLE_GETVALUE, &old_value ))
+ return(error);
+ error = sysctl_io_number(req, old_value, sizeof(int), &new_value, NULL);
+ if (!error) {
+ return (vm_toggle_entry_reuse(new_value, NULL));
+ }
+ return(error);
+}
+
+SYSCTL_PROC(_debug, OID_AUTO, toggle_address_reuse, CTLFLAG_ANYBODY | CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED, 0, 0, sysctl_vm_toggle_address_reuse,"I","");
+
+
+STATIC int
+sysctl_swapusage
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ int error;
+ uint64_t swap_total;
+ uint64_t swap_avail;
+ vm_size_t swap_pagesize;
+ boolean_t swap_encrypted;
+ struct xsw_usage xsu = {};
+
+ error = macx_swapinfo(&swap_total,
+ &swap_avail,
+ &swap_pagesize,
+ &swap_encrypted);
+ if (error)
+ return error;
+
+ xsu.xsu_total = swap_total;
+ xsu.xsu_avail = swap_avail;
+ xsu.xsu_used = swap_total - swap_avail;
+ xsu.xsu_pagesize = swap_pagesize;
+ xsu.xsu_encrypted = swap_encrypted;
+ return sysctl_io_opaque(req, &xsu, sizeof(xsu), NULL);
+}
+
+
+
+SYSCTL_PROC(_vm, VM_SWAPUSAGE, swapusage,
+ CTLTYPE_STRUCT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, sysctl_swapusage, "S,xsw_usage", "");
+
+#if CONFIG_FREEZE
+extern void vm_page_reactivate_all_throttled(void);
+
+static int
+sysctl_freeze_enabled SYSCTL_HANDLER_ARGS
+{
+#pragma unused(arg1, arg2)
+ int error, val = memorystatus_freeze_enabled ? 1 : 0;
+ boolean_t disabled;
+
+ error = sysctl_handle_int(oidp, &val, 0, req);
+ if (error || !req->newptr)
+ return (error);
+
+ if (VM_CONFIG_COMPRESSOR_IS_ACTIVE) {
+ //assert(req->newptr);
+ printf("Failed attempt to set vm.freeze_enabled sysctl\n");
+ return EINVAL;
+ }
+
+ /*
+ * If freeze is being disabled, we need to move dirty pages out from the throttle to the active queue.
+ */
+ disabled = (!val && memorystatus_freeze_enabled);
+
+ memorystatus_freeze_enabled = val ? TRUE : FALSE;
+
+ if (disabled) {
+ vm_page_reactivate_all_throttled();
+ }
+
+ return (0);
+}
+
+SYSCTL_PROC(_vm, OID_AUTO, freeze_enabled, CTLTYPE_INT|CTLFLAG_RW, &memorystatus_freeze_enabled, 0, sysctl_freeze_enabled, "I", "");
+#endif /* CONFIG_FREEZE */
+
+/* this kernel does NOT implement shared_region_make_private_np() */
+SYSCTL_INT(_kern, KERN_SHREG_PRIVATIZABLE, shreg_private,
+ CTLFLAG_RD | CTLFLAG_LOCKED,
+ (int *)NULL, 0, "");
+
+STATIC int
+fetch_process_cputype(
+ proc_t cur_proc,
+ int *name,
+ u_int namelen,
+ cpu_type_t *cputype)
+{
+ proc_t p = PROC_NULL;
+ int refheld = 0;
+ cpu_type_t ret = 0;
+ int error = 0;
+
+ if (namelen == 0)
+ p = cur_proc;
+ else if (namelen == 1) {
+ p = proc_find(name[0]);
+ if (p == NULL)
+ return (EINVAL);
+ refheld = 1;
+ } else {
+ error = EINVAL;
+ goto out;
+ }
+
+ ret = cpu_type() & ~CPU_ARCH_MASK;
+ if (IS_64BIT_PROCESS(p))
+ ret |= CPU_ARCH_ABI64;
+
+ *cputype = ret;
+
+ if (refheld != 0)
+ proc_rele(p);
+out:
+ return (error);
+}
+
+STATIC int
+sysctl_sysctl_native(__unused struct sysctl_oid *oidp, void *arg1, int arg2,
+ struct sysctl_req *req)
+{
+ int error;
+ cpu_type_t proc_cputype = 0;
+ if ((error = fetch_process_cputype(req->p, (int *)arg1, arg2, &proc_cputype)) != 0)
+ return error;
+ int res = 1;
+ if ((proc_cputype & ~CPU_ARCH_MASK) != (cpu_type() & ~CPU_ARCH_MASK))
+ res = 0;
+ return SYSCTL_OUT(req, &res, sizeof(res));
+}
+SYSCTL_PROC(_sysctl, OID_AUTO, proc_native, CTLTYPE_NODE|CTLFLAG_RD | CTLFLAG_LOCKED, 0, 0, sysctl_sysctl_native ,"I","proc_native");
+
+STATIC int
+sysctl_sysctl_cputype(__unused struct sysctl_oid *oidp, void *arg1, int arg2,
+ struct sysctl_req *req)
+{
+ int error;
+ cpu_type_t proc_cputype = 0;
+ if ((error = fetch_process_cputype(req->p, (int *)arg1, arg2, &proc_cputype)) != 0)
+ return error;
+ return SYSCTL_OUT(req, &proc_cputype, sizeof(proc_cputype));
+}
+SYSCTL_PROC(_sysctl, OID_AUTO, proc_cputype, CTLTYPE_NODE|CTLFLAG_RD | CTLFLAG_LOCKED, 0, 0, sysctl_sysctl_cputype ,"I","proc_cputype");
+
+STATIC int
+sysctl_safeboot
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ return sysctl_io_number(req, boothowto & RB_SAFEBOOT ? 1 : 0, sizeof(int), NULL, NULL);
+}
+
+SYSCTL_PROC(_kern, KERN_SAFEBOOT, safeboot,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, sysctl_safeboot, "I", "");
+
+STATIC int
+sysctl_singleuser
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ return sysctl_io_number(req, boothowto & RB_SINGLE ? 1 : 0, sizeof(int), NULL, NULL);
+}
+
+SYSCTL_PROC(_kern, OID_AUTO, singleuser,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, sysctl_singleuser, "I", "");
+
+STATIC int sysctl_minimalboot
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ return sysctl_io_number(req, minimalboot, sizeof(int), NULL, NULL);
+}
+
+SYSCTL_PROC(_kern, OID_AUTO, minimalboot,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, sysctl_minimalboot, "I", "");
+
+/*
+ * Controls for debugging affinity sets - see osfmk/kern/affinity.c
+ */
+extern boolean_t affinity_sets_enabled;
+extern int affinity_sets_mapping;
+
+SYSCTL_INT (_kern, OID_AUTO, affinity_sets_enabled,
+ CTLFLAG_RW | CTLFLAG_LOCKED, (int *) &affinity_sets_enabled, 0, "hinting enabled");
+SYSCTL_INT (_kern, OID_AUTO, affinity_sets_mapping,
+ CTLFLAG_RW | CTLFLAG_LOCKED, &affinity_sets_mapping, 0, "mapping policy");
+
+/*
+ * Boolean indicating if KASLR is active.
+ */
+STATIC int
+sysctl_slide
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ uint32_t slide;
+
+ slide = vm_kernel_slide ? 1 : 0;
+
+ return sysctl_io_number( req, slide, sizeof(int), NULL, NULL);
+}
+
+SYSCTL_PROC(_kern, OID_AUTO, slide,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, sysctl_slide, "I", "");
+
+/*
+ * Limit on total memory users can wire.
+ *
+ * vm_global_user_wire_limit - system wide limit on wired memory from all processes combined.
+ *
+ * vm_user_wire_limit - per address space limit on wired memory. This puts a cap on the process's rlimit value.
+ *
+ * These values are initialized to reasonable defaults at boot time based on the available physical memory in
+ * kmem_init().
+ *
+ * All values are in bytes.
+ */
+
+vm_map_size_t vm_global_no_user_wire_amount;
+vm_map_size_t vm_global_user_wire_limit;
+vm_map_size_t vm_user_wire_limit;
+
+/*
+ * There needs to be a more automatic/elegant way to do this
+ */
+#if defined(__ARM__)
+SYSCTL_INT(_vm, OID_AUTO, global_no_user_wire_amount, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_global_no_user_wire_amount, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, global_user_wire_limit, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_global_user_wire_limit, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, user_wire_limit, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_user_wire_limit, 0, "");
+#else
+SYSCTL_QUAD(_vm, OID_AUTO, global_no_user_wire_amount, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_global_no_user_wire_amount, "");
+SYSCTL_QUAD(_vm, OID_AUTO, global_user_wire_limit, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_global_user_wire_limit, "");
+SYSCTL_QUAD(_vm, OID_AUTO, user_wire_limit, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_user_wire_limit, "");
+#endif
+
+extern int vm_map_copy_overwrite_aligned_src_not_internal;
+extern int vm_map_copy_overwrite_aligned_src_not_symmetric;
+extern int vm_map_copy_overwrite_aligned_src_large;
+SYSCTL_INT(_vm, OID_AUTO, vm_copy_src_not_internal, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_map_copy_overwrite_aligned_src_not_internal, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, vm_copy_src_not_symmetric, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_map_copy_overwrite_aligned_src_not_symmetric, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, vm_copy_src_large, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_map_copy_overwrite_aligned_src_large, 0, "");
+
+
+extern uint32_t vm_page_external_count;
+extern uint32_t vm_page_filecache_min;
+
+SYSCTL_INT(_vm, OID_AUTO, vm_page_external_count, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_page_external_count, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, vm_page_filecache_min, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_page_filecache_min, 0, "");
+
+extern int vm_compressor_mode;
+extern int vm_compressor_is_active;
+extern int vm_compressor_available;
+extern uint32_t vm_ripe_target_age;
+extern uint32_t swapout_target_age;
+extern int64_t compressor_bytes_used;
+extern int64_t c_segment_input_bytes;
+extern int64_t c_segment_compressed_bytes;
+extern uint32_t compressor_eval_period_in_msecs;
+extern uint32_t compressor_sample_min_in_msecs;
+extern uint32_t compressor_sample_max_in_msecs;
+extern uint32_t compressor_thrashing_threshold_per_10msecs;
+extern uint32_t compressor_thrashing_min_per_10msecs;
+extern uint32_t vm_compressor_minorcompact_threshold_divisor;
+extern uint32_t vm_compressor_majorcompact_threshold_divisor;
+extern uint32_t vm_compressor_unthrottle_threshold_divisor;
+extern uint32_t vm_compressor_catchup_threshold_divisor;
+extern uint32_t vm_compressor_time_thread;
+#if DEVELOPMENT || DEBUG
+extern vmct_stats_t vmct_stats;
+#endif
+
+SYSCTL_QUAD(_vm, OID_AUTO, compressor_input_bytes, CTLFLAG_RD | CTLFLAG_LOCKED, &c_segment_input_bytes, "");
+SYSCTL_QUAD(_vm, OID_AUTO, compressor_compressed_bytes, CTLFLAG_RD | CTLFLAG_LOCKED, &c_segment_compressed_bytes, "");
+SYSCTL_QUAD(_vm, OID_AUTO, compressor_bytes_used, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_bytes_used, "");
+
+SYSCTL_INT(_vm, OID_AUTO, compressor_mode, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_compressor_mode, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_is_active, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_compressor_is_active, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_swapout_target_age, CTLFLAG_RD | CTLFLAG_LOCKED, &swapout_target_age, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_available, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_compressor_available, 0, "");
+
+SYSCTL_INT(_vm, OID_AUTO, vm_ripe_target_age_in_secs, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_ripe_target_age, 0, "");
+
+SYSCTL_INT(_vm, OID_AUTO, compressor_eval_period_in_msecs, CTLFLAG_RW | CTLFLAG_LOCKED, &compressor_eval_period_in_msecs, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_sample_min_in_msecs, CTLFLAG_RW | CTLFLAG_LOCKED, &compressor_sample_min_in_msecs, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_sample_max_in_msecs, CTLFLAG_RW | CTLFLAG_LOCKED, &compressor_sample_max_in_msecs, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_thrashing_threshold_per_10msecs, CTLFLAG_RW | CTLFLAG_LOCKED, &compressor_thrashing_threshold_per_10msecs, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_thrashing_min_per_10msecs, CTLFLAG_RW | CTLFLAG_LOCKED, &compressor_thrashing_min_per_10msecs, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_minorcompact_threshold_divisor, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_compressor_minorcompact_threshold_divisor, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_majorcompact_threshold_divisor, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_compressor_majorcompact_threshold_divisor, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_unthrottle_threshold_divisor, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_compressor_unthrottle_threshold_divisor, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_catchup_threshold_divisor, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_compressor_catchup_threshold_divisor, 0, "");
+
+SYSCTL_STRING(_vm, OID_AUTO, swapfileprefix, CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED, swapfilename, sizeof(swapfilename) - SWAPFILENAME_INDEX_LEN, "");
+
+SYSCTL_INT(_vm, OID_AUTO, compressor_timing_enabled, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_compressor_time_thread, 0, "");
+
+#if DEVELOPMENT || DEBUG
+SYSCTL_QUAD(_vm, OID_AUTO, compressor_thread_runtime0, CTLFLAG_RD | CTLFLAG_LOCKED, &vmct_stats.vmct_runtimes[0], "");
+SYSCTL_QUAD(_vm, OID_AUTO, compressor_thread_runtime1, CTLFLAG_RD | CTLFLAG_LOCKED, &vmct_stats.vmct_runtimes[1], "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, compressor_threads_total, CTLFLAG_RD | CTLFLAG_LOCKED, &vmct_stats.vmct_cthreads_total, "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, compressor_thread_pages0, CTLFLAG_RD | CTLFLAG_LOCKED, &vmct_stats.vmct_pages[0], "");
+SYSCTL_QUAD(_vm, OID_AUTO, compressor_thread_pages1, CTLFLAG_RD | CTLFLAG_LOCKED, &vmct_stats.vmct_pages[1], "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, compressor_thread_iterations0, CTLFLAG_RD | CTLFLAG_LOCKED, &vmct_stats.vmct_iterations[0], "");
+SYSCTL_QUAD(_vm, OID_AUTO, compressor_thread_iterations1, CTLFLAG_RD | CTLFLAG_LOCKED, &vmct_stats.vmct_iterations[1], "");
+
+SYSCTL_INT(_vm, OID_AUTO, compressor_thread_minpages0, CTLFLAG_RD | CTLFLAG_LOCKED, &vmct_stats.vmct_minpages[0], 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_thread_minpages1, CTLFLAG_RD | CTLFLAG_LOCKED, &vmct_stats.vmct_minpages[1], 0, "");
+
+SYSCTL_INT(_vm, OID_AUTO, compressor_thread_maxpages0, CTLFLAG_RD | CTLFLAG_LOCKED, &vmct_stats.vmct_maxpages[0], 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_thread_maxpages1, CTLFLAG_RD | CTLFLAG_LOCKED, &vmct_stats.vmct_maxpages[1], 0, "");
+
+#endif
+
+SYSCTL_QUAD(_vm, OID_AUTO, lz4_compressions, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.lz4_compressions, "");
+SYSCTL_QUAD(_vm, OID_AUTO, lz4_compression_failures, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.lz4_compression_failures, "");
+SYSCTL_QUAD(_vm, OID_AUTO, lz4_compressed_bytes, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.lz4_compressed_bytes, "");
+SYSCTL_QUAD(_vm, OID_AUTO, lz4_wk_compression_delta, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.lz4_wk_compression_delta, "");
+SYSCTL_QUAD(_vm, OID_AUTO, lz4_wk_compression_negative_delta, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.lz4_wk_compression_negative_delta, "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, lz4_decompressions, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.lz4_decompressions, "");
+SYSCTL_QUAD(_vm, OID_AUTO, lz4_decompressed_bytes, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.lz4_decompressed_bytes, "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, uc_decompressions, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.uc_decompressions, "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, wk_compressions, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wk_compressions, "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, wk_catime, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wk_cabstime, "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, wkh_catime, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wkh_cabstime, "");
+SYSCTL_QUAD(_vm, OID_AUTO, wkh_compressions, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wkh_compressions, "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, wks_catime, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wks_cabstime, "");
+SYSCTL_QUAD(_vm, OID_AUTO, wks_compressions, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wks_compressions, "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, wk_compressions_exclusive, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wk_compressions_exclusive, "");
+SYSCTL_QUAD(_vm, OID_AUTO, wk_sv_compressions, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wk_sv_compressions, "");
+SYSCTL_QUAD(_vm, OID_AUTO, wk_mzv_compressions, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wk_mzv_compressions, "");
+SYSCTL_QUAD(_vm, OID_AUTO, wk_compression_failures, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wk_compression_failures, "");
+SYSCTL_QUAD(_vm, OID_AUTO, wk_compressed_bytes_exclusive, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wk_compressed_bytes_exclusive, "");
+SYSCTL_QUAD(_vm, OID_AUTO, wk_compressed_bytes_total, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wk_compressed_bytes_total, "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, wks_compressed_bytes, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wks_compressed_bytes, "");
+SYSCTL_QUAD(_vm, OID_AUTO, wks_compression_failures, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wks_compression_failures, "");
+SYSCTL_QUAD(_vm, OID_AUTO, wks_sv_compressions, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wks_sv_compressions, "");
+
+
+SYSCTL_QUAD(_vm, OID_AUTO, wk_decompressions, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wk_decompressions, "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, wk_datime, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wk_dabstime, "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, wkh_datime, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wkh_dabstime, "");
+SYSCTL_QUAD(_vm, OID_AUTO, wkh_decompressions, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wkh_decompressions, "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, wks_datime, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wks_dabstime, "");
+SYSCTL_QUAD(_vm, OID_AUTO, wks_decompressions, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wks_decompressions, "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, wk_decompressed_bytes, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wk_decompressed_bytes, "");
+SYSCTL_QUAD(_vm, OID_AUTO, wk_sv_decompressions, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_stats.wk_sv_decompressions, "");
+
+SYSCTL_INT(_vm, OID_AUTO, lz4_threshold, CTLFLAG_RW | CTLFLAG_LOCKED, &vmctune.lz4_threshold, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, wkdm_reeval_threshold, CTLFLAG_RW | CTLFLAG_LOCKED, &vmctune.wkdm_reeval_threshold, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, lz4_max_failure_skips, CTLFLAG_RW | CTLFLAG_LOCKED, &vmctune.lz4_max_failure_skips, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, lz4_max_failure_run_length, CTLFLAG_RW | CTLFLAG_LOCKED, &vmctune.lz4_max_failure_run_length, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, lz4_max_preselects, CTLFLAG_RW | CTLFLAG_LOCKED, &vmctune.lz4_max_preselects, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, lz4_run_preselection_threshold, CTLFLAG_RW | CTLFLAG_LOCKED, &vmctune.lz4_run_preselection_threshold, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, lz4_run_continue_bytes, CTLFLAG_RW | CTLFLAG_LOCKED, &vmctune.lz4_run_continue_bytes, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, lz4_profitable_bytes, CTLFLAG_RW | CTLFLAG_LOCKED, &vmctune.lz4_profitable_bytes, 0, "");
+#if DEVELOPMENT || DEBUG
+extern int vm_compressor_current_codec;
+extern int vm_compressor_test_seg_wp;
+extern boolean_t vm_compressor_force_sw_wkdm;
+SYSCTL_INT(_vm, OID_AUTO, compressor_codec, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_compressor_current_codec, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_test_wp, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_compressor_test_seg_wp, 0, "");
+
+SYSCTL_INT(_vm, OID_AUTO, wksw_force, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_compressor_force_sw_wkdm, 0, "");
+extern int precompy, wkswhw;
+
+SYSCTL_INT(_vm, OID_AUTO, precompy, CTLFLAG_RW | CTLFLAG_LOCKED, &precompy, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, wkswhw, CTLFLAG_RW | CTLFLAG_LOCKED, &wkswhw, 0, "");
+extern unsigned int vm_ktrace_enabled;
+SYSCTL_INT(_vm, OID_AUTO, vm_ktrace, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_ktrace_enabled, 0, "");
+#endif
+
+#if CONFIG_PHANTOM_CACHE
+extern uint32_t phantom_cache_thrashing_threshold;
+extern uint32_t phantom_cache_eval_period_in_msecs;
+extern uint32_t phantom_cache_thrashing_threshold_ssd;
+
+
+SYSCTL_INT(_vm, OID_AUTO, phantom_cache_eval_period_in_msecs, CTLFLAG_RW | CTLFLAG_LOCKED, &phantom_cache_eval_period_in_msecs, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, phantom_cache_thrashing_threshold, CTLFLAG_RW | CTLFLAG_LOCKED, &phantom_cache_thrashing_threshold, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, phantom_cache_thrashing_threshold_ssd, CTLFLAG_RW | CTLFLAG_LOCKED, &phantom_cache_thrashing_threshold_ssd, 0, "");
+#endif
+
+#if CONFIG_BACKGROUND_QUEUE
+
+extern uint32_t vm_page_background_count;
+extern uint32_t vm_page_background_target;
+extern uint32_t vm_page_background_internal_count;
+extern uint32_t vm_page_background_external_count;
+extern uint32_t vm_page_background_mode;
+extern uint32_t vm_page_background_exclude_external;
+extern uint64_t vm_page_background_promoted_count;
+extern uint64_t vm_pageout_considered_bq_internal;
+extern uint64_t vm_pageout_considered_bq_external;
+extern uint64_t vm_pageout_rejected_bq_internal;
+extern uint64_t vm_pageout_rejected_bq_external;
+
+SYSCTL_INT(_vm, OID_AUTO, vm_page_background_mode, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_page_background_mode, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, vm_page_background_exclude_external, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_page_background_exclude_external, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, vm_page_background_target, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_page_background_target, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, vm_page_background_count, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_page_background_count, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, vm_page_background_internal_count, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_page_background_internal_count, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, vm_page_background_external_count, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_page_background_external_count, 0, "");
+
+SYSCTL_QUAD(_vm, OID_AUTO, vm_page_background_promoted_count, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_page_background_promoted_count, "");
+SYSCTL_QUAD(_vm, OID_AUTO, vm_pageout_considered_bq_internal, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_considered_bq_internal, "");
+SYSCTL_QUAD(_vm, OID_AUTO, vm_pageout_considered_bq_external, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_considered_bq_external, "");
+SYSCTL_QUAD(_vm, OID_AUTO, vm_pageout_rejected_bq_internal, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_rejected_bq_internal, "");
+SYSCTL_QUAD(_vm, OID_AUTO, vm_pageout_rejected_bq_external, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_pageout_rejected_bq_external, "");
+
+#endif
+
+#if (DEVELOPMENT || DEBUG)
+
+SYSCTL_UINT(_vm, OID_AUTO, vm_page_creation_throttled_hard,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &vm_page_creation_throttled_hard, 0, "");
- /* If we have a NUL terminator, copy it, too */
- if (binPath_sz < max_len-1) binPath_sz += 1;
+SYSCTL_UINT(_vm, OID_AUTO, vm_page_creation_throttled_soft,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &vm_page_creation_throttled_soft, 0, "");
- /* Pre-Flight the space requiremnts */
+extern uint32_t vm_pageout_memorystatus_fb_factor_nr;
+extern uint32_t vm_pageout_memorystatus_fb_factor_dr;
+SYSCTL_INT(_vm, OID_AUTO, vm_pageout_memorystatus_fb_factor_nr, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_pageout_memorystatus_fb_factor_nr, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, vm_pageout_memorystatus_fb_factor_dr, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_pageout_memorystatus_fb_factor_dr, 0, "");
- /* Account for the padding that fills out binPath to the next word */
- alignedBinPath_sz += (binPath_sz & (sizeof(int)-1)) ? (sizeof(int)-(binPath_sz & (sizeof(int)-1))) : 0;
+extern uint32_t vm_grab_anon_overrides;
+extern uint32_t vm_grab_anon_nops;
- placeHere = where + size;
+SYSCTL_INT(_vm, OID_AUTO, vm_grab_anon_overrides, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_grab_anon_overrides, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, vm_grab_anon_nops, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_grab_anon_nops, 0, "");
- /* Account for the bytes needed to keep placeHere word aligned */
- addThis = (placeHere & (sizeof(int)-1)) ? (sizeof(int)-(placeHere & (sizeof(int)-1))) : 0;
+/* log message counters for persistence mode */
+extern uint32_t oslog_p_total_msgcount;
+extern uint32_t oslog_p_metadata_saved_msgcount;
+extern uint32_t oslog_p_metadata_dropped_msgcount;
+extern uint32_t oslog_p_error_count;
+extern uint32_t oslog_p_saved_msgcount;
+extern uint32_t oslog_p_dropped_msgcount;
+extern uint32_t oslog_p_boot_dropped_msgcount;
- /* Add up all the space that is needed */
- extraSpaceNeeded = alignedBinPath_sz + addThis + binPath_sz + (4 * sizeof(int));
+/* log message counters for streaming mode */
+extern uint32_t oslog_s_total_msgcount;
+extern uint32_t oslog_s_metadata_msgcount;
+extern uint32_t oslog_s_error_count;
+extern uint32_t oslog_s_streamed_msgcount;
+extern uint32_t oslog_s_dropped_msgcount;
- /* is there is room to tack on argv[0]? */
- if ( (buflen & ~(sizeof(int)-1)) >= ( p->p_argslen + extraSpaceNeeded ))
- {
- placeHere += addThis;
- suword(placeHere, 0);
- placeHere += sizeof(int);
- suword(placeHere, 0xBFFF0000);
- placeHere += sizeof(int);
- suword(placeHere, 0);
- placeHere += sizeof(int);
- error = copyout(data, placeHere, binPath_sz);
- if ( ! error )
- {
- placeHere += binPath_sz;
- suword(placeHere, 0);
- size += extraSpaceNeeded;
- }
- }
- }
- }
+SYSCTL_UINT(_debug, OID_AUTO, oslog_p_total_msgcount, CTLFLAG_ANYBODY | CTLFLAG_RD | CTLFLAG_LOCKED, &oslog_p_total_msgcount, 0, "");
+SYSCTL_UINT(_debug, OID_AUTO, oslog_p_metadata_saved_msgcount, CTLFLAG_ANYBODY | CTLFLAG_RD | CTLFLAG_LOCKED, &oslog_p_metadata_saved_msgcount, 0, "");
+SYSCTL_UINT(_debug, OID_AUTO, oslog_p_metadata_dropped_msgcount, CTLFLAG_ANYBODY | CTLFLAG_RD | CTLFLAG_LOCKED, &oslog_p_metadata_dropped_msgcount, 0, "");
+SYSCTL_UINT(_debug, OID_AUTO, oslog_p_error_count, CTLFLAG_ANYBODY | CTLFLAG_RD | CTLFLAG_LOCKED, &oslog_p_error_count, 0, "");
+SYSCTL_UINT(_debug, OID_AUTO, oslog_p_saved_msgcount, CTLFLAG_ANYBODY | CTLFLAG_RD | CTLFLAG_LOCKED, &oslog_p_saved_msgcount, 0, "");
+SYSCTL_UINT(_debug, OID_AUTO, oslog_p_dropped_msgcount, CTLFLAG_ANYBODY | CTLFLAG_RD | CTLFLAG_LOCKED, &oslog_p_dropped_msgcount, 0, "");
+SYSCTL_UINT(_debug, OID_AUTO, oslog_p_boot_dropped_msgcount, CTLFLAG_ANYBODY | CTLFLAG_RD | CTLFLAG_LOCKED, &oslog_p_boot_dropped_msgcount, 0, "");
- if (copy_start != (vm_offset_t) 0) {
- kmem_free(kernel_map, copy_start, copy_end - copy_start);
- }
- if (error) {
- return(error);
- }
+SYSCTL_UINT(_debug, OID_AUTO, oslog_s_total_msgcount, CTLFLAG_ANYBODY | CTLFLAG_RD | CTLFLAG_LOCKED, &oslog_s_total_msgcount, 0, "");
+SYSCTL_UINT(_debug, OID_AUTO, oslog_s_metadata_msgcount, CTLFLAG_ANYBODY | CTLFLAG_RD | CTLFLAG_LOCKED, &oslog_s_metadata_msgcount, 0, "");
+SYSCTL_UINT(_debug, OID_AUTO, oslog_s_error_count, CTLFLAG_ANYBODY | CTLFLAG_RD | CTLFLAG_LOCKED, &oslog_s_error_count, 0, "");
+SYSCTL_UINT(_debug, OID_AUTO, oslog_s_streamed_msgcount, CTLFLAG_ANYBODY | CTLFLAG_RD | CTLFLAG_LOCKED, &oslog_s_streamed_msgcount, 0, "");
+SYSCTL_UINT(_debug, OID_AUTO, oslog_s_dropped_msgcount, CTLFLAG_ANYBODY | CTLFLAG_RD | CTLFLAG_LOCKED, &oslog_s_dropped_msgcount, 0, "");
- if (where != USER_ADDR_NULL)
- *sizep = size;
- return (0);
-}
+#endif /* DEVELOPMENT || DEBUG */
/*
- * Validate parameters and get old / set new parameters
- * for max number of concurrent aio requests. Makes sure
- * the system wide limit is greater than the per process
- * limit.
+ * Enable tracing of voucher contents
*/
-static int
-sysctl_aiomax(user_addr_t oldp, size_t *oldlenp, user_addr_t newp, size_t newlen)
-{
- int error = 0;
- int new_value;
+extern uint32_t ipc_voucher_trace_contents;
- if ( oldp && *oldlenp < sizeof(int) )
- return (ENOMEM);
- if ( newp && newlen != sizeof(int) )
- return (EINVAL);
-
- *oldlenp = sizeof(int);
- if ( oldp )
- error = copyout( &aio_max_requests, oldp, sizeof(int) );
- if ( error == 0 && newp )
- error = copyin( newp, &new_value, sizeof(int) );
- if ( error == 0 && newp ) {
- if ( new_value >= aio_max_requests_per_process )
- aio_max_requests = new_value;
- else
- error = EINVAL;
- }
- return( error );
-
-} /* sysctl_aiomax */
+SYSCTL_INT (_kern, OID_AUTO, ipc_voucher_trace_contents,
+ CTLFLAG_RW | CTLFLAG_LOCKED, &ipc_voucher_trace_contents, 0, "Enable tracing voucher contents");
+
+/*
+ * Kernel stack size and depth
+ */
+SYSCTL_INT (_kern, OID_AUTO, stack_size,
+ CTLFLAG_RD | CTLFLAG_LOCKED, (int *) &kernel_stack_size, 0, "Kernel stack size");
+SYSCTL_INT (_kern, OID_AUTO, stack_depth_max,
+ CTLFLAG_RD | CTLFLAG_LOCKED, (int *) &kernel_stack_depth_max, 0, "Max kernel stack depth at interrupt or context switch");
+extern unsigned int kern_feature_overrides;
+SYSCTL_INT (_kern, OID_AUTO, kern_feature_overrides,
+ CTLFLAG_RD | CTLFLAG_LOCKED, &kern_feature_overrides, 0, "Kernel feature override mask");
/*
- * Validate parameters and get old / set new parameters
- * for max number of concurrent aio requests per process.
- * Makes sure per process limit is less than the system wide
- * limit.
+ * enable back trace for port allocations
*/
-static int
-sysctl_aioprocmax(user_addr_t oldp, size_t *oldlenp, user_addr_t newp, size_t newlen )
-{
- int error = 0;
- int new_value = 0;
+extern int ipc_portbt;
- if ( oldp && *oldlenp < sizeof(int) )
- return (ENOMEM);
- if ( newp && newlen != sizeof(int) )
- return (EINVAL);
-
- *oldlenp = sizeof(int);
- if ( oldp )
- error = copyout( &aio_max_requests_per_process, oldp, sizeof(int) );
- if ( error == 0 && newp )
- error = copyin( newp, &new_value, sizeof(int) );
- if ( error == 0 && newp ) {
- if ( new_value <= aio_max_requests && new_value >= AIO_LISTIO_MAX )
- aio_max_requests_per_process = new_value;
- else
- error = EINVAL;
- }
- return( error );
-
-} /* sysctl_aioprocmax */
+SYSCTL_INT(_kern, OID_AUTO, ipc_portbt,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &ipc_portbt, 0, "");
+/*
+ * Scheduler sysctls
+ */
+
+SYSCTL_STRING(_kern, OID_AUTO, sched,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ sched_string, sizeof(sched_string),
+ "Timeshare scheduler implementation");
/*
- * Validate parameters and get old / set new parameters
- * for max number of async IO worker threads.
- * We only allow an increase in the number of worker threads.
+ * Only support runtime modification on embedded platforms
+ * with development config enabled
+ */
+#if CONFIG_EMBEDDED
+#if !SECURE_KERNEL
+extern int precise_user_kernel_time;
+SYSCTL_INT(_kern, OID_AUTO, precise_user_kernel_time,
+ CTLFLAG_RW | CTLFLAG_LOCKED,
+ &precise_user_kernel_time, 0, "Precise accounting of kernel vs. user time");
+#endif
+#endif
+
+
+/* Parameters related to timer coalescing tuning, to be replaced
+ * with a dedicated systemcall in the future.
+ */
+/* Enable processing pending timers in the context of any other interrupt
+ * Coalescing tuning parameters for various thread/task attributes */
+STATIC int
+sysctl_timer_user_us_kernel_abstime SYSCTL_HANDLER_ARGS
+{
+#pragma unused(oidp)
+ int size = arg2; /* subcommand*/
+ int error;
+ int changed = 0;
+ uint64_t old_value_ns;
+ uint64_t new_value_ns;
+ uint64_t value_abstime;
+ if (size == sizeof(uint32_t))
+ value_abstime = *((uint32_t *)arg1);
+ else if (size == sizeof(uint64_t))
+ value_abstime = *((uint64_t *)arg1);
+ else return ENOTSUP;
+
+ absolutetime_to_nanoseconds(value_abstime, &old_value_ns);
+ error = sysctl_io_number(req, old_value_ns, sizeof(old_value_ns), &new_value_ns, &changed);
+ if ((error) || (!changed))
+ return error;
+
+ nanoseconds_to_absolutetime(new_value_ns, &value_abstime);
+ if (size == sizeof(uint32_t))
+ *((uint32_t *)arg1) = (uint32_t)value_abstime;
+ else
+ *((uint64_t *)arg1) = value_abstime;
+ return error;
+}
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_bg_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_bg_shift, 0, "");
+SYSCTL_PROC(_kern, OID_AUTO, timer_resort_threshold_ns,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_resort_threshold_abstime,
+ sizeof(tcoal_prio_params.timer_resort_threshold_abstime),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_bg_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_bg_abstime_max,
+ sizeof(tcoal_prio_params.timer_coalesce_bg_abstime_max),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_kt_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_kt_shift, 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_kt_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_kt_abstime_max,
+ sizeof(tcoal_prio_params.timer_coalesce_kt_abstime_max),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_fp_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_fp_shift, 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_fp_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_fp_abstime_max,
+ sizeof(tcoal_prio_params.timer_coalesce_fp_abstime_max),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_ts_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_ts_shift, 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_ts_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_ts_abstime_max,
+ sizeof(tcoal_prio_params.timer_coalesce_ts_abstime_max),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier0_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_scale[0], 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_tier0_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_abstime_max[0],
+ sizeof(tcoal_prio_params.latency_qos_abstime_max[0]),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier1_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_scale[1], 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_tier1_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_abstime_max[1],
+ sizeof(tcoal_prio_params.latency_qos_abstime_max[1]),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier2_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_scale[2], 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_tier2_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_abstime_max[2],
+ sizeof(tcoal_prio_params.latency_qos_abstime_max[2]),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier3_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_scale[3], 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_tier3_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_abstime_max[3],
+ sizeof(tcoal_prio_params.latency_qos_abstime_max[3]),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier4_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_scale[4], 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_tier4_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_abstime_max[4],
+ sizeof(tcoal_prio_params.latency_qos_abstime_max[4]),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier5_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_scale[5], 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_tier5_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_abstime_max[5],
+ sizeof(tcoal_prio_params.latency_qos_abstime_max[5]),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+/* Communicate the "user idle level" heuristic to the timer layer, and
+ * potentially other layers in the future.
*/
+
static int
-sysctl_aiothreads(user_addr_t oldp, size_t *oldlenp, user_addr_t newp, size_t newlen)
+timer_user_idle_level(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) {
+ int new_value = 0, old_value = 0, changed = 0, error;
+
+ old_value = timer_get_user_idle_level();
+
+ error = sysctl_io_number(req, old_value, sizeof(int), &new_value, &changed);
+
+ if (error == 0 && changed) {
+ if (timer_set_user_idle_level(new_value) != KERN_SUCCESS)
+ error = ERANGE;
+ }
+
+ return error;
+}
+
+SYSCTL_PROC(_machdep, OID_AUTO, user_idle_level,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
+ 0, 0,
+ timer_user_idle_level, "I", "User idle level heuristic, 0-128");
+
+#if HYPERVISOR
+SYSCTL_INT(_kern, OID_AUTO, hv_support,
+ CTLFLAG_KERN | CTLFLAG_RD | CTLFLAG_LOCKED,
+ &hv_support_available, 0, "");
+#endif
+
+#if CONFIG_EMBEDDED
+STATIC int
+sysctl_darkboot SYSCTL_HANDLER_ARGS
{
- int error = 0;
- int new_value;
+ int err = 0, value = 0;
+#pragma unused(oidp, arg1, arg2, err, value, req)
- if ( oldp && *oldlenp < sizeof(int) )
- return (ENOMEM);
- if ( newp && newlen != sizeof(int) )
- return (EINVAL);
-
- *oldlenp = sizeof(int);
- if ( oldp )
- error = copyout( &aio_worker_threads, oldp, sizeof(int) );
- if ( error == 0 && newp )
- error = copyin( newp, &new_value, sizeof(int) );
- if ( error == 0 && newp ) {
- if (new_value > aio_worker_threads ) {
- _aio_create_worker_threads( (new_value - aio_worker_threads) );
- aio_worker_threads = new_value;
+ /*
+ * Handle the sysctl request.
+ *
+ * If this is a read, the function will set the value to the current darkboot value. Otherwise,
+ * we'll get the request identifier into "value" and then we can honor it.
+ */
+ if ((err = sysctl_io_number(req, darkboot, sizeof(int), &value, NULL)) != 0) {
+ goto exit;
+ }
+
+ /* writing requested, let's process the request */
+ if (req->newptr) {
+ /* writing is protected by an entitlement */
+ if (priv_check_cred(kauth_cred_get(), PRIV_DARKBOOT, 0) != 0) {
+ err = EPERM;
+ goto exit;
+ }
+
+ switch (value) {
+ case MEMORY_MAINTENANCE_DARK_BOOT_UNSET:
+ /*
+ * If the darkboot sysctl is unset, the NVRAM variable
+ * must be unset too. If that's not the case, it means
+ * someone is doing something crazy and not supported.
+ */
+ if (darkboot != 0) {
+ int ret = PERemoveNVRAMProperty(MEMORY_MAINTENANCE_DARK_BOOT_NVRAM_NAME);
+ if (ret) {
+ darkboot = 0;
+ } else {
+ err = EINVAL;
+ }
+ }
+ break;
+ case MEMORY_MAINTENANCE_DARK_BOOT_SET:
+ darkboot = 1;
+ break;
+ case MEMORY_MAINTENANCE_DARK_BOOT_SET_PERSISTENT: {
+ /*
+ * Set the NVRAM and update 'darkboot' in case
+ * of success. Otherwise, do not update
+ * 'darkboot' and report the failure.
+ */
+ if (PEWriteNVRAMBooleanProperty(MEMORY_MAINTENANCE_DARK_BOOT_NVRAM_NAME, TRUE)) {
+ darkboot = 1;
+ } else {
+ err = EINVAL;
+ }
+
+ break;
+ }
+ default:
+ err = EINVAL;
}
- else
- error = EINVAL;
}
- return( error );
-
-} /* sysctl_aiothreads */
+exit:
+ return err;
+}
+
+SYSCTL_PROC(_kern, OID_AUTO, darkboot,
+ CTLFLAG_KERN | CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED | CTLFLAG_ANYBODY,
+ 0, 0, sysctl_darkboot, "I", "");
+#endif
/*
- * Validate parameters and get old / set new parameters
- * for max number of processes per UID.
- * Makes sure per UID limit is less than the system wide limit.
+ * This is set by core audio to tell tailspin (ie background tracing) how long
+ * its smallest buffer is. Background tracing can then try to make a reasonable
+ * decisions to try to avoid introducing so much latency that the buffers will
+ * underflow.
*/
-static int
-sysctl_maxprocperuid(user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen)
-{
- int error = 0;
- int new_value;
- if ( oldp != USER_ADDR_NULL && *oldlenp < sizeof(int) )
- return (ENOMEM);
- if ( newp != USER_ADDR_NULL && newlen != sizeof(int) )
- return (EINVAL);
-
- *oldlenp = sizeof(int);
- if ( oldp != USER_ADDR_NULL )
- error = copyout( &maxprocperuid, oldp, sizeof(int) );
- if ( error == 0 && newp != USER_ADDR_NULL ) {
- error = copyin( newp, &new_value, sizeof(int) );
- if ( error == 0 ) {
- AUDIT_ARG(value, new_value);
- if ( new_value <= maxproc && new_value > 0 )
- maxprocperuid = new_value;
- else
- error = EINVAL;
+int min_audio_buffer_usec;
+
+STATIC int
+sysctl_audio_buffer SYSCTL_HANDLER_ARGS
+{
+#pragma unused(oidp, arg1, arg2)
+ int err = 0, value = 0, changed = 0;
+ err = sysctl_io_number(req, min_audio_buffer_usec, sizeof(int), &value, &changed);
+ if (err) goto exit;
+
+ if (changed) {
+ /* writing is protected by an entitlement */
+ if (priv_check_cred(kauth_cred_get(), PRIV_AUDIO_LATENCY, 0) != 0) {
+ err = EPERM;
+ goto exit;
}
- else
- error = EINVAL;
+ min_audio_buffer_usec = value;
}
- return( error );
-
-} /* sysctl_maxprocperuid */
+exit:
+ return err;
+}
+SYSCTL_PROC(_kern, OID_AUTO, min_audio_buffer_usec, CTLFLAG_RW | CTLFLAG_ANYBODY, 0, 0, sysctl_audio_buffer, "I", "Minimum audio buffer size, in microseconds");
-/*
- * Validate parameters and get old / set new parameters
- * for max number of files per process.
- * Makes sure per process limit is less than the system-wide limit.
+#if DEVELOPMENT || DEBUG
+#include <sys/sysent.h>
+/* This should result in a fatal exception, verifying that "sysent" is
+ * write-protected.
*/
static int
-sysctl_maxfilesperproc(user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen)
-{
- int error = 0;
- int new_value;
+kern_sysent_write(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) {
+ uint64_t new_value = 0, old_value = 0;
+ int changed = 0, error;
- if ( oldp != USER_ADDR_NULL && *oldlenp < sizeof(int) )
- return (ENOMEM);
- if ( newp != USER_ADDR_NULL && newlen != sizeof(int) )
- return (EINVAL);
-
- *oldlenp = sizeof(int);
- if ( oldp != USER_ADDR_NULL )
- error = copyout( &maxfilesperproc, oldp, sizeof(int) );
- if ( error == 0 && newp != USER_ADDR_NULL ) {
- error = copyin( newp, &new_value, sizeof(int) );
- if ( error == 0 ) {
- AUDIT_ARG(value, new_value);
- if ( new_value < maxfiles && new_value > 0 )
- maxfilesperproc = new_value;
- else
- error = EINVAL;
- }
- else
- error = EINVAL;
+ error = sysctl_io_number(req, old_value, sizeof(uint64_t), &new_value, &changed);
+ if ((error == 0) && changed) {
+ volatile uint32_t *wraddr = (uint32_t *) &sysent[0];
+ *wraddr = 0;
+ printf("sysent[0] write succeeded\n");
}
- return( error );
-
-} /* sysctl_maxfilesperproc */
+ return error;
+}
+SYSCTL_PROC(_kern, OID_AUTO, sysent_const_check,
+ CTLTYPE_QUAD | CTLFLAG_RW | CTLFLAG_LOCKED,
+ 0, 0,
+ kern_sysent_write, "I", "Attempt sysent[0] write");
+
+#endif
+
+#if DEVELOPMENT || DEBUG
+SYSCTL_COMPAT_INT(_kern, OID_AUTO, development, CTLFLAG_RD | CTLFLAG_MASKED, NULL, 1, "");
+#else
+SYSCTL_COMPAT_INT(_kern, OID_AUTO, development, CTLFLAG_RD | CTLFLAG_MASKED, NULL, 0, "");
+#endif
+
+
+#if DEVELOPMENT || DEBUG
-/*
- * Validate parameters and get old / set new parameters
- * for the system-wide limit on the max number of processes.
- * Makes sure the system-wide limit is less than the configured hard
- * limit set at kernel compilation.
- */
static int
-sysctl_maxproc(user_addr_t oldp, size_t *oldlenp,
- user_addr_t newp, size_t newlen )
+sysctl_panic_test SYSCTL_HANDLER_ARGS
{
- int error = 0;
- int new_value;
+#pragma unused(arg1, arg2)
+ int rval = 0;
+ char str[32] = "entry prelog postlog postcore";
+
+ rval = sysctl_handle_string(oidp, str, sizeof(str), req);
+
+ if (rval == 0 && req->newptr) {
+ if (strncmp("entry", str, strlen("entry")) == 0) {
+ panic_with_options(0, NULL, DEBUGGER_OPTION_RECURPANIC_ENTRY, "test recursive panic at entry");
+ } else if (strncmp("prelog", str, strlen("prelog")) == 0) {
+ panic_with_options(0, NULL, DEBUGGER_OPTION_RECURPANIC_PRELOG, "test recursive panic prior to writing a paniclog");
+ } else if (strncmp("postlog", str, strlen("postlog")) == 0) {
+ panic_with_options(0, NULL, DEBUGGER_OPTION_RECURPANIC_POSTLOG, "test recursive panic subsequent to paniclog");
+ } else if (strncmp("postcore", str, strlen("postcore")) == 0) {
+ panic_with_options(0, NULL, DEBUGGER_OPTION_RECURPANIC_POSTCORE, "test recursive panic subsequent to on-device core");
+ }
+ }
+
+ return rval;
+}
- if ( oldp != USER_ADDR_NULL && *oldlenp < sizeof(int) )
- return (ENOMEM);
- if ( newp != USER_ADDR_NULL && newlen != sizeof(int) )
- return (EINVAL);
-
- *oldlenp = sizeof(int);
- if ( oldp != USER_ADDR_NULL )
- error = copyout( &maxproc, oldp, sizeof(int) );
- if ( error == 0 && newp != USER_ADDR_NULL ) {
- error = copyin( newp, &new_value, sizeof(int) );
- if ( error == 0 ) {
- AUDIT_ARG(value, new_value);
- if ( new_value <= hard_maxproc && new_value > 0 )
- maxproc = new_value;
- else
- error = EINVAL;
- }
- else
- error = EINVAL;
- }
- return( error );
-
-} /* sysctl_maxproc */
+static int
+sysctl_debugger_test SYSCTL_HANDLER_ARGS
+{
+#pragma unused(arg1, arg2)
+ int rval = 0;
+ char str[32] = "entry prelog postlog postcore";
+
+ rval = sysctl_handle_string(oidp, str, sizeof(str), req);
+
+ if (rval == 0 && req->newptr) {
+ if (strncmp("entry", str, strlen("entry")) == 0) {
+ DebuggerWithContext(0, NULL, "test recursive panic via debugger at entry", DEBUGGER_OPTION_RECURPANIC_ENTRY);
+ } else if (strncmp("prelog", str, strlen("prelog")) == 0) {
+ DebuggerWithContext(0, NULL, "test recursive panic via debugger prior to writing a paniclog", DEBUGGER_OPTION_RECURPANIC_PRELOG);
+ } else if (strncmp("postlog", str, strlen("postlog")) == 0) {
+ DebuggerWithContext(0, NULL, "test recursive panic via debugger subsequent to paniclog", DEBUGGER_OPTION_RECURPANIC_POSTLOG);
+ } else if (strncmp("postcore", str, strlen("postcore")) == 0) {
+ DebuggerWithContext(0, NULL, "test recursive panic via debugger subsequent to on-device core", DEBUGGER_OPTION_RECURPANIC_POSTCORE);
+ }
+ }
+
+ return rval;
+}
+
+decl_lck_spin_data(, spinlock_panic_test_lock)
+
+__attribute__((noreturn))
+static void
+spinlock_panic_test_acquire_spinlock(void * arg __unused, wait_result_t wres __unused)
+{
+ lck_spin_lock(&spinlock_panic_test_lock);
+ while (1) { ; }
+}
-#if __i386__
static int
-sysctl_sysctl_exec_affinity SYSCTL_HANDLER_ARGS
+sysctl_spinlock_panic_test SYSCTL_HANDLER_ARGS
{
- struct proc *cur_proc = req->p;
- int error;
-
- if (req->oldptr != USER_ADDR_NULL) {
- cpu_type_t oldcputype = (cur_proc->p_flag & P_AFFINITY) ? CPU_TYPE_POWERPC : CPU_TYPE_I386;
- if ((error = SYSCTL_OUT(req, &oldcputype, sizeof(oldcputype))))
- return error;
- }
+#pragma unused(oidp, arg1, arg2)
+ if (req->newlen == 0)
+ return EINVAL;
- if (req->newptr != USER_ADDR_NULL) {
- cpu_type_t newcputype;
- if ((error = SYSCTL_IN(req, &newcputype, sizeof(newcputype))))
- return error;
- if (newcputype == CPU_TYPE_I386)
- cur_proc->p_flag &= ~P_AFFINITY;
- else if (newcputype == CPU_TYPE_POWERPC)
- cur_proc->p_flag |= P_AFFINITY;
- else
- return (EINVAL);
+ thread_t panic_spinlock_thread;
+ /* Initialize panic spinlock */
+ lck_grp_t * panic_spinlock_grp;
+ lck_grp_attr_t * panic_spinlock_grp_attr;
+ lck_attr_t * panic_spinlock_attr;
+
+ panic_spinlock_grp_attr = lck_grp_attr_alloc_init();
+ panic_spinlock_grp = lck_grp_alloc_init("panic_spinlock", panic_spinlock_grp_attr);
+ panic_spinlock_attr = lck_attr_alloc_init();
+
+ lck_spin_init(&spinlock_panic_test_lock, panic_spinlock_grp, panic_spinlock_attr);
+
+
+ /* Create thread to acquire spinlock */
+ if (kernel_thread_start(spinlock_panic_test_acquire_spinlock, NULL, &panic_spinlock_thread) != KERN_SUCCESS) {
+ return EBUSY;
}
-
- return 0;
+
+ /* Try to acquire spinlock -- should panic eventually */
+ lck_spin_lock(&spinlock_panic_test_lock);
+ while(1) { ; }
+}
+
+__attribute__((noreturn))
+static void
+simultaneous_panic_worker
+(void * arg, wait_result_t wres __unused)
+{
+ atomic_int *start_panic = (atomic_int *)arg;
+
+ while (!atomic_load(start_panic)) { ; }
+ panic("SIMULTANEOUS PANIC TEST: INITIATING PANIC FROM CPU %d", cpu_number());
+ __builtin_unreachable();
}
-SYSCTL_PROC(_sysctl, OID_AUTO, proc_exec_affinity, CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 0, 0, sysctl_sysctl_exec_affinity ,"I","proc_exec_affinity");
-#endif
static int
-fetch_process_cputype(
- struct proc *cur_proc,
- int *name,
- u_int namelen,
- cpu_type_t *cputype)
+sysctl_simultaneous_panic_test SYSCTL_HANDLER_ARGS
{
- struct proc *p = NULL;
- cpu_type_t ret = 0;
-
- if (namelen == 0)
- p = cur_proc;
- else if (namelen == 1) {
- p = pfind(name[0]);
- if (p == NULL)
- return (EINVAL);
- if ((kauth_cred_getuid(p->p_ucred) != kauth_cred_getuid(kauth_cred_get()))
- && suser(kauth_cred_get(), &cur_proc->p_acflag))
- return (EPERM);
- } else {
+#pragma unused(oidp, arg1, arg2)
+ if (req->newlen == 0)
return EINVAL;
- }
-#if __i386__
- if (p->p_flag & P_TRANSLATED) {
- ret = CPU_TYPE_POWERPC;
+ int i = 0, threads_to_create = 2 * processor_count;
+ atomic_int start_panic = 0;
+ unsigned int threads_created = 0;
+ thread_t new_panic_thread;
+
+ for (i = threads_to_create; i > 0; i--) {
+ if (kernel_thread_start(simultaneous_panic_worker, (void *) &start_panic, &new_panic_thread) == KERN_SUCCESS) {
+ threads_created++;
+ }
}
- else
-#endif
- {
- ret = cpu_type();
- if (IS_64BIT_PROCESS(p))
- ret |= CPU_ARCH_ABI64;
+
+ /* FAIL if we couldn't create at least processor_count threads */
+ if (threads_created < processor_count) {
+ panic("SIMULTANEOUS PANIC TEST: FAILED TO CREATE ENOUGH THREADS, ONLY CREATED %d (of %d)",
+ threads_created, threads_to_create);
}
- *cputype = ret;
-
- return 0;
+
+ atomic_exchange(&start_panic, 1);
+ while (1) { ; }
}
-static int
-sysctl_sysctl_native SYSCTL_HANDLER_ARGS
+SYSCTL_PROC(_debug, OID_AUTO, panic_test, CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_MASKED, 0, 0, sysctl_panic_test, "A", "panic test");
+SYSCTL_PROC(_debug, OID_AUTO, debugger_test, CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_MASKED, 0, 0, sysctl_debugger_test, "A", "debugger test");
+SYSCTL_PROC(_debug, OID_AUTO, spinlock_panic_test, CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_MASKED, 0, 0, sysctl_spinlock_panic_test, "A", "spinlock panic test");
+SYSCTL_PROC(_debug, OID_AUTO, simultaneous_panic_test, CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_MASKED, 0, 0, sysctl_simultaneous_panic_test, "A", "simultaneous panic test");
+
+
+#endif /* DEVELOPMENT || DEBUG */
+
+const uint32_t thread_groups_supported = 0;
+
+STATIC int
+sysctl_thread_groups_supported (__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
{
- int error;
- cpu_type_t proc_cputype = 0;
- if ((error = fetch_process_cputype(req->p, (int *)arg1, arg2, &proc_cputype)) != 0)
- return error;
- int res = 1;
- if ((proc_cputype & ~CPU_ARCH_MASK) != (cpu_type() & ~CPU_ARCH_MASK))
- res = 0;
- return SYSCTL_OUT(req, &res, sizeof(res));
-}
-SYSCTL_PROC(_sysctl, OID_AUTO, proc_native, CTLTYPE_NODE|CTLFLAG_RD, 0, 0, sysctl_sysctl_native ,"I","proc_native");
+ int value = thread_groups_supported;
+ return sysctl_io_number(req, value, sizeof(value), NULL, NULL);
+}
+
+SYSCTL_PROC(_kern, OID_AUTO, thread_groups_supported, CTLFLAG_RD | CTLFLAG_LOCKED | CTLFLAG_KERN,
+ 0, 0, &sysctl_thread_groups_supported, "I", "thread groups supported");
static int
-sysctl_sysctl_cputype SYSCTL_HANDLER_ARGS
+sysctl_grade_cputype SYSCTL_HANDLER_ARGS
{
- int error;
- cpu_type_t proc_cputype = 0;
- if ((error = fetch_process_cputype(req->p, (int *)arg1, arg2, &proc_cputype)) != 0)
+#pragma unused(arg1, arg2, oidp)
+ int error = 0;
+ int type_tuple[2] = {};
+ int return_value = 0;
+
+ error = SYSCTL_IN(req, &type_tuple, sizeof(type_tuple));
+
+ if (error) {
return error;
- return SYSCTL_OUT(req, &proc_cputype, sizeof(proc_cputype));
+ }
+
+ return_value = grade_binary(type_tuple[0], type_tuple[1]);
+
+ error = SYSCTL_OUT(req, &return_value, sizeof(return_value));
+
+ if (error) {
+ return error;
+ }
+
+ return error;
}
-SYSCTL_PROC(_sysctl, OID_AUTO, proc_cputype, CTLTYPE_NODE|CTLFLAG_RD, 0, 0, sysctl_sysctl_cputype ,"I","proc_cputype");
+SYSCTL_PROC(_kern, OID_AUTO, grade_cputype,
+ CTLFLAG_RW|CTLFLAG_ANYBODY|CTLFLAG_MASKED|CTLFLAG_LOCKED|CTLTYPE_OPAQUE,
+ 0, 0, &sysctl_grade_cputype, "S",
+ "grade value of cpu_type_t+cpu_sub_type_t");
projects / apple / xnu.git / blobdiff