/* ARGSUSED */
static int
pool_pset_cpu_setup(cpu_setup_t what, int id, void *arg)
{
processorid_t cpuid = id;
struct setup_arg sarg;
int error;
cpu_t *c;
ASSERT(MUTEX_HELD(&cpu_lock));
ASSERT(INGLOBALZONE(curproc));
if (!pool_pset_enabled())
return (0);
if (what != CPU_CONFIG && what != CPU_UNCONFIG &&
what != CPU_ON && what != CPU_OFF &&
what != CPU_CPUPART_IN && what != CPU_CPUPART_OUT)
return (0);
c = cpu_get(cpuid);
ASSERT(c != NULL);
sarg.psetid = cpupart_query_cpu(c);
sarg.cpu = c;
sarg.what = what;
error = zone_walk(pool_pset_setup_cb, &sarg);
ASSERT(error == 0);
return (0);
}
/*
* Find a CPU partition given a processor set ID if the processor set
* should be visible from the calling zone.
*/
cpupart_t *
cpupart_find(psetid_t psid)
{
cpupart_t *cp;
ASSERT(MUTEX_HELD(&cpu_lock));
cp = cpupart_find_all(psid);
if (cp != NULL && !INGLOBALZONE(curproc) && pool_pset_enabled() &&
zone_pset_get(curproc->p_zone) != CPTOPS(cp->cp_id))
return (NULL);
return (cp);
}
static void
cpupart_kstat_create(cpupart_t *cp)
{
kstat_t *ksp;
zoneid_t zoneid;
ASSERT(MUTEX_HELD(&cpu_lock));
/*
* We have a bit of a chicken-egg problem since this code will
* get called to create the kstats for CP_DEFAULT before the
* pools framework gets initialized. We circumvent the problem
* by special-casing cp_default.
*/
if (cp != &cp_default && pool_pset_enabled())
zoneid = GLOBAL_ZONEID;
else
zoneid = ALL_ZONES;
ksp = kstat_create_zone("unix", cp->cp_id, "pset", "misc",
KSTAT_TYPE_NAMED,
sizeof (cpupart_kstat_t) / sizeof (kstat_named_t), 0, zoneid);
if (ksp != NULL) {
cpupart_kstat_t *cpksp = ksp->ks_data;
kstat_named_init(&cpksp->cpk_updates, "updates",
KSTAT_DATA_UINT64);
kstat_named_init(&cpksp->cpk_runnable, "runnable",
KSTAT_DATA_UINT64);
kstat_named_init(&cpksp->cpk_waiting, "waiting",
KSTAT_DATA_UINT64);
kstat_named_init(&cpksp->cpk_ncpus, "ncpus",
KSTAT_DATA_UINT32);
kstat_named_init(&cpksp->cpk_avenrun_1min, "avenrun_1min",
KSTAT_DATA_UINT32);
kstat_named_init(&cpksp->cpk_avenrun_5min, "avenrun_5min",
KSTAT_DATA_UINT32);
kstat_named_init(&cpksp->cpk_avenrun_15min, "avenrun_15min",
KSTAT_DATA_UINT32);
ksp->ks_update = cpupart_kstat_update;
ksp->ks_private = cp;
kstat_install(ksp);
}
cp->cp_kstat = ksp;
}
/*
* Create interrupt kstats for this CPU.
*/
void
cpu_create_intrstat(cpu_t *cp)
{
int i;
kstat_t *intr_ksp;
kstat_named_t *knp;
char name[KSTAT_STRLEN];
zoneid_t zoneid;
ASSERT(MUTEX_HELD(&cpu_lock));
if (pool_pset_enabled())
zoneid = GLOBAL_ZONEID;
else
zoneid = ALL_ZONES;
intr_ksp = kstat_create_zone("cpu", cp->cpu_id, "intrstat", "misc",
KSTAT_TYPE_NAMED, PIL_MAX * 2, NULL, zoneid);
/*
* Initialize each PIL's named kstat
*/
if (intr_ksp != NULL) {
intr_ksp->ks_update = cpu_kstat_intrstat_update;
knp = (kstat_named_t *)intr_ksp->ks_data;
intr_ksp->ks_private = cp;
for (i = 0; i < PIL_MAX; i++) {
(void) snprintf(name, KSTAT_STRLEN, "level-%d-time",
i + 1);
kstat_named_init(&knp[i * 2], name, KSTAT_DATA_UINT64);
(void) snprintf(name, KSTAT_STRLEN, "level-%d-count",
i + 1);
kstat_named_init(&knp[(i * 2) + 1], name,
KSTAT_DATA_UINT64);
}
kstat_install(intr_ksp);
}
}
/*
* Return list of active processor sets, up to a maximum indicated by
* numpsets. The total number of processor sets is stored in the
* location pointed to by numpsets.
*/
static int
pset_list(psetid_t *psetlist, uint_t *numpsets)
{
uint_t user_npsets = 0;
uint_t real_npsets;
psetid_t *psets = NULL;
int error = 0;
if (numpsets != NULL) {
if (copyin(numpsets, &user_npsets, sizeof (uint_t)) != 0)
return (set_errno(EFAULT));
}
/*
* Get the list of all processor sets. First we need to find
* out how many there are, so we can allocate a large enough
* buffer.
*/
mutex_enter(&cpu_lock);
if (!INGLOBALZONE(curproc) && pool_pset_enabled()) {
psetid_t psetid = zone_pset_get(curproc->p_zone);
if (psetid == PS_NONE) {
real_npsets = 0;
} else {
real_npsets = 1;
psets = kmem_alloc(real_npsets * sizeof (psetid_t),
KM_SLEEP);
psets[0] = psetid;
}
} else {
real_npsets = cpupart_list(0, NULL, CP_ALL);
if (real_npsets) {
psets = kmem_alloc(real_npsets * sizeof (psetid_t),
KM_SLEEP);
(void) cpupart_list(psets, real_npsets, CP_ALL);
}
}
mutex_exit(&cpu_lock);
if (user_npsets > real_npsets)
user_npsets = real_npsets;
if (numpsets != NULL) {
if (copyout(&real_npsets, numpsets, sizeof (uint_t)) != 0)
error = EFAULT;
else if (psetlist != NULL && user_npsets != 0) {
if (copyout(psets, psetlist,
user_npsets * sizeof (psetid_t)) != 0)
error = EFAULT;
}
}
if (real_npsets)
kmem_free(psets, real_npsets * sizeof (psetid_t));
if (error)
return (set_errno(error));
else
return (0);
}
