/*
* Boot time overrides that are not scaled against main memory
*/
void
init_param1(void)
{
hz = HZ;
TUNABLE_INT_FETCH("kern.hz", &hz);
stathz = hz * 128 / 100;
profhz = stathz;
ustick = 1000000 / hz;
nstick = 1000000000 / hz;
/* can adjust 30ms in 60s */
ntp_default_tick_delta = howmany(30000000, 60 * hz);
#ifdef VM_SWZONE_SIZE_MAX
maxswzone = VM_SWZONE_SIZE_MAX;
#endif
TUNABLE_LONG_FETCH("kern.maxswzone", &maxswzone);
#ifdef VM_BCACHE_SIZE_MAX
maxbcache = VM_BCACHE_SIZE_MAX;
#endif
TUNABLE_LONG_FETCH("kern.maxbcache", &maxbcache);
maxtsiz = MAXTSIZ;
TUNABLE_QUAD_FETCH("kern.maxtsiz", &maxtsiz);
dfldsiz = DFLDSIZ;
TUNABLE_QUAD_FETCH("kern.dfldsiz", &dfldsiz);
maxdsiz = MAXDSIZ;
TUNABLE_QUAD_FETCH("kern.maxdsiz", &maxdsiz);
dflssiz = DFLSSIZ;
TUNABLE_QUAD_FETCH("kern.dflssiz", &dflssiz);
maxssiz = MAXSSIZ;
TUNABLE_QUAD_FETCH("kern.maxssiz", &maxssiz);
sgrowsiz = SGROWSIZ;
TUNABLE_QUAD_FETCH("kern.sgrowsiz", &sgrowsiz);
}
/*
* Boot time overrides that are not scaled against main memory
*/
void
init_param1(void)
{
#ifndef XEN
vm_guest = detect_virtual();
#else
vm_guest = VM_GUEST_XEN;
#endif
hz = -1;
TUNABLE_INT_FETCH("kern.hz", &hz);
if (hz == -1)
hz = vm_guest > VM_GUEST_NO ? HZ_VM : HZ;
tick = 1000000 / hz;
#ifdef VM_SWZONE_SIZE_MAX
maxswzone = VM_SWZONE_SIZE_MAX;
#endif
TUNABLE_LONG_FETCH("kern.maxswzone", &maxswzone);
#ifdef VM_BCACHE_SIZE_MAX
maxbcache = VM_BCACHE_SIZE_MAX;
#endif
TUNABLE_LONG_FETCH("kern.maxbcache", &maxbcache);
msgbufsize = MSGBUF_SIZE;
TUNABLE_INT_FETCH("kern.msgbufsize", &msgbufsize);
maxtsiz = MAXTSIZ;
TUNABLE_ULONG_FETCH("kern.maxtsiz", &maxtsiz);
dfldsiz = DFLDSIZ;
TUNABLE_ULONG_FETCH("kern.dfldsiz", &dfldsiz);
maxdsiz = MAXDSIZ;
TUNABLE_ULONG_FETCH("kern.maxdsiz", &maxdsiz);
dflssiz = DFLSSIZ;
TUNABLE_ULONG_FETCH("kern.dflssiz", &dflssiz);
maxssiz = MAXSSIZ;
TUNABLE_ULONG_FETCH("kern.maxssiz", &maxssiz);
sgrowsiz = SGROWSIZ;
TUNABLE_ULONG_FETCH("kern.sgrowsiz", &sgrowsiz);
/*
* Let the administrator set {NGROUPS_MAX}, but disallow values
* less than NGROUPS_MAX which would violate POSIX.1-2008 or
* greater than INT_MAX-1 which would result in overflow.
*/
ngroups_max = NGROUPS_MAX;
TUNABLE_INT_FETCH("kern.ngroups", &ngroups_max);
if (ngroups_max < NGROUPS_MAX)
ngroups_max = NGROUPS_MAX;
/*
* Only allow to lower the maximal pid.
* Prevent setting up a non-bootable system if pid_max is too low.
*/
TUNABLE_INT_FETCH("kern.pid_max", &pid_max);
if (pid_max > PID_MAX)
pid_max = PID_MAX;
else if (pid_max < 300)
pid_max = 300;
}
void
tunable_long_init(void *data)
{
struct tunable_long *d = (struct tunable_long *)data;
TUNABLE_LONG_FETCH(d->path, d->var);
}
static int
urtwn_rtl8192cfwT_fw_modevent(module_t mod, int type, void *unused)
{
const struct firmware *fp, *parent;
int error;
switch (type) {
case MOD_LOAD:
TUNABLE_LONG_FETCH("legal.realtek.license_ack", &realtek_license_ack);
if (!realtek_license_ack) {
printf("urtwn-rtl8192cfwT: You need to read the LICENSE file in /usr/share/doc/legal/realtek.LICENSE.\n");
printf("urtwn-rtl8192cfwT: If you agree with the license, set legal.realtek.license_ack=1 in /boot/loader.conf.\n");
return(EPERM);
}
fp = firmware_register("urtwn-rtl8192cfwT", _binary_urtwn_rtl8192cfwT_fw_start , (size_t)(_binary_urtwn_rtl8192cfwT_fw_end - _binary_urtwn_rtl8192cfwT_fw_start), 111, NULL);
if (fp == NULL)
goto fail_0;
parent = fp;
return (0);
fail_0:
return (ENXIO);
case MOD_UNLOAD:
error = firmware_unregister("urtwn-rtl8192cfwT");
return (error);
}
return (EINVAL);
}
/*
* Boot time overrides that are scaled against main memory
*/
void
init_param2(long physpages)
{
/* Base parameters */
maxusers = MAXUSERS;
TUNABLE_INT_FETCH("kern.maxusers", &maxusers);
if (maxusers == 0) {
maxusers = physpages / (2 * 1024 * 1024 / PAGE_SIZE);
if (maxusers < 32)
maxusers = 32;
if (maxusers > 384)
maxusers = 384;
}
/*
* The following can be overridden after boot via sysctl. Note:
* unless overriden, these macros are ultimately based on maxusers.
*/
maxproc = NPROC;
TUNABLE_INT_FETCH("kern.maxproc", &maxproc);
/*
* Limit maxproc so that kmap entries cannot be exhausted by
* processes.
*/
if (maxproc > (physpages / 12))
maxproc = physpages / 12;
maxfiles = MAXFILES;
TUNABLE_INT_FETCH("kern.maxfiles", &maxfiles);
maxprocperuid = (maxproc * 9) / 10;
maxfilesperproc = (maxfiles * 9) / 10;
/*
* Cannot be changed after boot.
*/
nbuf = NBUF;
TUNABLE_INT_FETCH("kern.nbuf", &nbuf);
ncallout = 16 + maxproc + maxfiles;
TUNABLE_INT_FETCH("kern.ncallout", &ncallout);
/*
* The default for maxpipekva is min(1/64 of the kernel address space,
* max(1/64 of main memory, 512KB)). See sys_pipe.c for more details.
*/
maxpipekva = (physpages / 64) * PAGE_SIZE;
if (maxpipekva < 512 * 1024)
maxpipekva = 512 * 1024;
if (maxpipekva > (VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS) / 64)
maxpipekva = (VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS) /
64;
TUNABLE_LONG_FETCH("kern.ipc.maxpipekva", &maxpipekva);
}
/*
* Boot time overrides that are scaled against main memory
*/
void
init_param2(long physpages)
{
/* Base parameters */
maxusers = MAXUSERS;
TUNABLE_INT_FETCH("kern.maxusers", &maxusers);
if (maxusers == 0) {
maxusers = physpages / (2 * 1024 * 1024 / PAGE_SIZE);
if (maxusers < 32)
maxusers = 32;
#ifdef VM_MAX_AUTOTUNE_MAXUSERS
if (maxusers > VM_MAX_AUTOTUNE_MAXUSERS)
maxusers = VM_MAX_AUTOTUNE_MAXUSERS;
#endif
/*
* Scales down the function in which maxusers grows once
* we hit 384.
*/
if (maxusers > 384)
maxusers = 384 + ((maxusers - 384) / 8);
}
/*
* The following can be overridden after boot via sysctl. Note:
* unless overriden, these macros are ultimately based on maxusers.
* Limit maxproc so that kmap entries cannot be exhausted by
* processes.
*/
maxproc = NPROC;
TUNABLE_INT_FETCH("kern.maxproc", &maxproc);
if (maxproc > (physpages / 12))
maxproc = physpages / 12;
maxprocperuid = (maxproc * 9) / 10;
/*
* The default limit for maxfiles is 1/12 of the number of
* physical page but not less than 16 times maxusers.
* At most it can be 1/6 the number of physical pages.
*/
maxfiles = imax(MAXFILES, physpages / 8);
TUNABLE_INT_FETCH("kern.maxfiles", &maxfiles);
if (maxfiles > (physpages / 4))
maxfiles = physpages / 4;
maxfilesperproc = (maxfiles / 10) * 9;
TUNABLE_INT_FETCH("kern.maxfilesperproc", &maxfilesperproc);
/*
* Cannot be changed after boot.
*/
nbuf = NBUF;
TUNABLE_INT_FETCH("kern.nbuf", &nbuf);
TUNABLE_INT_FETCH("kern.bio_transient_maxcnt", &bio_transient_maxcnt);
/*
* The default for maxpipekva is min(1/64 of the kernel address space,
* max(1/64 of main memory, 512KB)). See sys_pipe.c for more details.
*/
maxpipekva = (physpages / 64) * PAGE_SIZE;
TUNABLE_LONG_FETCH("kern.ipc.maxpipekva", &maxpipekva);
if (maxpipekva < 512 * 1024)
maxpipekva = 512 * 1024;
if (maxpipekva > (VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS) / 64)
maxpipekva = (VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS) /
64;
}
/*
* Boot time overrides that are not scaled against main memory
*/
void
init_param1(void)
{
#if !defined(__mips__) && !defined(__arm64__) && !defined(__sparc64__)
TUNABLE_INT_FETCH("kern.kstack_pages", &kstack_pages);
#endif
hz = -1;
TUNABLE_INT_FETCH("kern.hz", &hz);
if (hz == -1)
hz = vm_guest > VM_GUEST_NO ? HZ_VM : HZ;
tick = 1000000 / hz;
tick_sbt = SBT_1S / hz;
tick_bt = sbttobt(tick_sbt);
#ifdef VM_SWZONE_SIZE_MAX
maxswzone = VM_SWZONE_SIZE_MAX;
#endif
TUNABLE_LONG_FETCH("kern.maxswzone", &maxswzone);
#ifdef VM_BCACHE_SIZE_MAX
maxbcache = VM_BCACHE_SIZE_MAX;
#endif
TUNABLE_LONG_FETCH("kern.maxbcache", &maxbcache);
msgbufsize = MSGBUF_SIZE;
TUNABLE_INT_FETCH("kern.msgbufsize", &msgbufsize);
maxtsiz = MAXTSIZ;
TUNABLE_ULONG_FETCH("kern.maxtsiz", &maxtsiz);
dfldsiz = DFLDSIZ;
TUNABLE_ULONG_FETCH("kern.dfldsiz", &dfldsiz);
maxdsiz = MAXDSIZ;
TUNABLE_ULONG_FETCH("kern.maxdsiz", &maxdsiz);
dflssiz = DFLSSIZ;
TUNABLE_ULONG_FETCH("kern.dflssiz", &dflssiz);
maxssiz = MAXSSIZ;
TUNABLE_ULONG_FETCH("kern.maxssiz", &maxssiz);
sgrowsiz = SGROWSIZ;
TUNABLE_ULONG_FETCH("kern.sgrowsiz", &sgrowsiz);
/*
* Let the administrator set {NGROUPS_MAX}, but disallow values
* less than NGROUPS_MAX which would violate POSIX.1-2008 or
* greater than INT_MAX-1 which would result in overflow.
*/
ngroups_max = NGROUPS_MAX;
TUNABLE_INT_FETCH("kern.ngroups", &ngroups_max);
if (ngroups_max < NGROUPS_MAX)
ngroups_max = NGROUPS_MAX;
/*
* Only allow to lower the maximal pid.
* Prevent setting up a non-bootable system if pid_max is too low.
*/
TUNABLE_INT_FETCH("kern.pid_max", &pid_max);
if (pid_max > PID_MAX)
pid_max = PID_MAX;
else if (pid_max < 300)
pid_max = 300;
TUNABLE_INT_FETCH("vfs.unmapped_buf_allowed", &unmapped_buf_allowed);
}
/*
* Boot time overrides that are scaled against main memory
*/
void
init_param2(int physpages)
{
size_t limsize;
/*
* Calculate manually becaus the VM page queues / system is not set up yet
*/
limsize = (size_t)physpages * PAGE_SIZE;
if (limsize > KvaSize)
limsize = KvaSize;
limsize /= 1024 * 1024; /* smaller of KVM or physmem in MB */
/* Base parameters */
maxusers = MAXUSERS;
TUNABLE_INT_FETCH("kern.maxusers", &maxusers);
if (maxusers == 0) {
maxusers = limsize / 8; /* ~384 per 3G */
if (maxusers < 32)
maxusers = 32;
/* no upper limit */
}
/*
* The following can be overridden after boot via sysctl. Note:
* unless overriden, these macros are ultimately based on maxusers.
*
* Limit maxproc so that kmap entries cannot be exhausted by
* processes.
*/
maxproc = NPROC;
TUNABLE_INT_FETCH("kern.maxproc", &maxproc);
if (maxproc < 32)
maxproc = 32;
if (maxproc > limsize * 21)
maxproc = limsize * 21;
/*
* Maximum number of open files
*/
maxfiles = MAXFILES;
TUNABLE_INT_FETCH("kern.maxfiles", &maxfiles);
if (maxfiles < 128)
maxfiles = 128;
/*
* Limit file descriptors so no single user can exhaust the
* system.
*
* WARNING: Do not set minfilesperproc too high or the user
* can exhaust the system with a combination of fork()
* and open(). Actual worst case is:
*
* (minfilesperproc * maxprocperuid) + maxfilesperuser
*/
maxprocperuid = maxproc / 4;
if (maxprocperuid < 128)
maxprocperuid = maxproc / 2;
minfilesperproc = 8;
maxfilesperproc = maxfiles / 4;
maxfilesperuser = maxfilesperproc * 2;
maxfilesrootres = maxfiles / 20;
/*
* Severe hack to try to prevent pipe() descriptors from
* blowing away kernel memory.
*/
if (KvaSize <= (vm_offset_t)(1536LL * 1024 * 1024) &&
maxfilesperuser > 20000) {
maxfilesperuser = 20000;
}
maxposixlocksperuid = MAXPOSIXLOCKSPERUID;
TUNABLE_INT_FETCH("kern.maxposixlocksperuid", &maxposixlocksperuid);
/*
* Unless overriden, NBUF is typically 0 (auto-sized later).
*/
nbuf = NBUF;
TUNABLE_LONG_FETCH("kern.nbuf", &nbuf);
ncallout = 16 + maxproc + maxfiles;
TUNABLE_INT_FETCH("kern.ncallout", &ncallout);
}
/*
* Boot time overrides that are scaled against main memory
*/
void
init_param2(long physpages)
{
quad_t realmem;
/* Base parameters */
maxusers = MAXUSERS;
TUNABLE_INT_FETCH("kern.maxusers", &maxusers);
if (maxusers == 0) {
maxusers = physpages / (2 * 1024 * 1024 / PAGE_SIZE);
if (maxusers < 32)
maxusers = 32;
#ifdef VM_MAX_AUTOTUNE_MAXUSERS
if (maxusers > VM_MAX_AUTOTUNE_MAXUSERS)
maxusers = VM_MAX_AUTOTUNE_MAXUSERS;
#endif
/*
* Scales down the function in which maxusers grows once
* we hit 384.
*/
if (maxusers > 384)
maxusers = 384 + ((maxusers - 384) / 8);
}
/*
* The following can be overridden after boot via sysctl. Note:
* unless overriden, these macros are ultimately based on maxusers.
* Limit maxproc so that kmap entries cannot be exhausted by
* processes.
*/
maxproc = NPROC;
TUNABLE_INT_FETCH("kern.maxproc", &maxproc);
if (maxproc > (physpages / 12))
maxproc = physpages / 12;
maxprocperuid = (maxproc * 9) / 10;
/*
* The default limit for maxfiles is 1/12 of the number of
* physical page but not less than 16 times maxusers.
* At most it can be 1/6 the number of physical pages.
*/
maxfiles = imax(MAXFILES, physpages / 8);
TUNABLE_INT_FETCH("kern.maxfiles", &maxfiles);
if (maxfiles > (physpages / 4))
maxfiles = physpages / 4;
maxfilesperproc = (maxfiles / 10) * 9;
/*
* Cannot be changed after boot.
*/
nbuf = NBUF;
TUNABLE_INT_FETCH("kern.nbuf", &nbuf);
/*
* XXX: Does the callout wheel have to be so big?
*
* Clip callout to result of previous function of maxusers maximum
* 384. This is still huge, but acceptable.
*/
ncallout = imin(16 + maxproc + maxfiles, 18508);
TUNABLE_INT_FETCH("kern.ncallout", &ncallout);
/*
* The default limit for all mbuf related memory is 1/2 of all
* available kernel memory (physical or kmem).
* At most it can be 3/4 of available kernel memory.
*/
realmem = qmin((quad_t)physpages * PAGE_SIZE,
VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS);
maxmbufmem = realmem / 2;
TUNABLE_QUAD_FETCH("kern.maxmbufmem", &maxmbufmem);
if (maxmbufmem > (realmem / 4) * 3)
maxmbufmem = (realmem / 4) * 3;
/*
* The default for maxpipekva is min(1/64 of the kernel address space,
* max(1/64 of main memory, 512KB)). See sys_pipe.c for more details.
*/
maxpipekva = (physpages / 64) * PAGE_SIZE;
TUNABLE_LONG_FETCH("kern.ipc.maxpipekva", &maxpipekva);
if (maxpipekva < 512 * 1024)
maxpipekva = 512 * 1024;
if (maxpipekva > (VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS) / 64)
maxpipekva = (VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS) /
64;
}
