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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1998 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/ddi_impldefs.h>
#include <sys/obpdefs.h>
#include <sys/cmn_err.h>
#include <sys/errno.h>
#include <sys/kmem.h>
#include <sys/debug.h>
#include <sys/sysmacros.h>
#include <sys/machsystm.h>
#include <sys/machparam.h>
#include <sys/modctl.h>
#include <sys/fhc.h>
#include <sys/ac.h>
#include <sys/vm.h>
#include <sys/cpu_module.h>
#include <vm/hat_sfmmu.h>
#include <sys/mem_config.h>
#include <sys/mem_cage.h>
extern ac_err_t ac_kpm_err_cvt(int);
#ifdef DEBUG
static void query_checker(pfn_t, pgcnt_t, memquery_t *);
static int ac_do_query_check = 0;
#endif /* DEBUG */
int
ac_mem_stat(ac_cfga_pkt_t *pkt, int flag)
{
ac_stat_t *statp;
memquery_t memq;
struct ac_mem_info *mem_info;
struct bd_list *board;
struct ac_soft_state *ac;
uint64_t decode;
uint64_t base_pa;
uint64_t bank_size;
pfn_t base;
pgcnt_t npgs;
int ret;
int retval;
/*
* Is the specified bank present?
*/
board = fhc_bdlist_lock(pkt->softsp->board);
if (board == NULL || board->ac_softsp == NULL) {
fhc_bdlist_unlock();
AC_ERR_SET(pkt, AC_ERR_BD);
return (EINVAL);
}
/* verify the board is of the correct type */
switch (board->sc.type) {
case CPU_BOARD:
case MEM_BOARD:
break;
default:
fhc_bdlist_unlock();
AC_ERR_SET(pkt, AC_ERR_BD_TYPE);
return (EINVAL);
}
ASSERT(pkt->softsp == board->ac_softsp);
ac = pkt->softsp;
mem_info = &ac->bank[pkt->bank];
statp = kmem_zalloc(sizeof (ac_stat_t), KM_SLEEP);
statp->rstate = mem_info->rstate;
statp->ostate = mem_info->ostate;
statp->condition = mem_info->condition;
statp->status_time = mem_info->status_change;
statp->board = ac->board;
statp->real_size = mem_info->real_size;
statp->use_size = mem_info->use_size;
statp->ac_memctl = *(ac->ac_memctl);
statp->ac_decode0 = *(ac->ac_memdecode0);
statp->ac_decode1 = *(ac->ac_memdecode1);
statp->page_size = PAGESIZE;
/*
* Busy could also be set for fhc_bd_busy(ac->board)
* however, this is just advisory information so limit it
* to memory operation in progress.
*/
statp->busy = (mem_info->busy != FALSE);
/*
* Determine the physical location of the selected bank
*/
decode = (pkt->bank == Bank0) ?
*(ac->ac_memdecode0) : *(ac->ac_memdecode1);
base_pa = GRP_REALBASE(decode);
bank_size = GRP_UK2SPAN(decode);
base = base_pa >> PAGESHIFT;
npgs = bank_size >> PAGESHIFT;
if (mem_info->ostate == SYSC_CFGA_OSTATE_CONFIGURED) {
bzero(&memq, sizeof (memq));
ret = kphysm_del_span_query(base, npgs, &memq);
if (ret != KPHYSM_OK) {
fhc_bdlist_unlock();
AC_ERR_SET(pkt, ac_kpm_err_cvt(ret));
retval = EINVAL;
goto out;
}
#ifdef DEBUG
if (ac_do_query_check) {
query_checker(base, npgs, &memq);
if (memq.phys_pages != npgs) {
/*
* This can happen in normal concurrent
* operation.
*/
cmn_err(CE_WARN, "ac_mem_stat(): "
"memq.phys_pages != npgs (%ld != %ld)",
(u_long)memq.phys_pages, (u_long)npgs);
}
}
#endif /* DEBUG */
statp->phys_pages = memq.phys_pages;
statp->managed = memq.managed;
if (!kcage_on)
statp->nonrelocatable = memq.phys_pages;
else
statp->nonrelocatable = memq.nonrelocatable;
} else
if (mem_info->rstate == SYSC_CFGA_RSTATE_CONNECTED) {
/* Bank is in state Spare */
statp->phys_pages = npgs;
}
fhc_bdlist_unlock();
retval = DDI_SUCCESS;
/* return the information to the user */
#ifdef _MULTI_DATAMODEL
switch (ddi_model_convert_from(flag & FMODELS)) {
case DDI_MODEL_ILP32: {
ac_stat32_t *stat32p;
stat32p = kmem_zalloc(sizeof (ac_stat32_t), KM_SLEEP);
stat32p->rstate = statp->rstate;
stat32p->ostate = statp->ostate;
stat32p->condition = statp->condition;
stat32p->status_time = (time32_t)statp->status_time;
stat32p->board = statp->board;
stat32p->real_size = statp->real_size;
stat32p->use_size = statp->use_size;
stat32p->busy = statp->busy;
stat32p->page_size = statp->page_size;
stat32p->phys_pages = statp->phys_pages;
stat32p->managed = statp->managed;
stat32p->nonrelocatable = statp->nonrelocatable;
stat32p->ac_memctl = statp->ac_memctl;
stat32p->ac_decode0 = statp->ac_decode0;
stat32p->ac_decode1 = statp->ac_decode1;
if (ddi_copyout(stat32p, pkt->cmd_cfga.private,
sizeof (ac_stat32_t), flag) != 0) {
retval = EFAULT;
}
kmem_free(stat32p, sizeof (ac_stat32_t));
break;
}
case DDI_MODEL_NONE:
if (ddi_copyout(statp, pkt->cmd_cfga.private,
sizeof (ac_stat_t), flag) != 0) {
retval = EFAULT;
}
break;
}
#else /* _MULTI_DATAMODEL */
if (ddi_copyout(statp, pkt->cmd_cfga.private,
sizeof (ac_stat_t), flag) != 0) {
retval = EFAULT;
}
#endif /* _MULTI_DATAMODEL */
out:
kmem_free(statp, sizeof (ac_stat_t));
return (retval);
}
#ifdef DEBUG
static void
query_checker(
pfn_t base,
pgcnt_t npgs,
memquery_t *mqp)
{
memquery_t memq;
memquery_t amemq;
int done_first_nonreloc;
int all_pop;
pfn_t abase;
pgcnt_t n;
int ret;
all_pop = (mqp->phys_pages == npgs);
memq.phys_pages = 0;
memq.managed = 0;
memq.nonrelocatable = 0;
memq.first_nonrelocatable = 0;
memq.last_nonrelocatable = 0;
done_first_nonreloc = 0;
for (abase = base, n = npgs; n != 0; abase++, n--) {
ret = kphysm_del_span_query(abase, 1, &amemq);
if (ret != KPHYSM_OK) {
printf("%ld: ret = %d\n", abase, ret);
continue;
}
if (all_pop && amemq.phys_pages != 1) {
printf("%ld: phys_pages = %ld, expected 1\n",
abase, amemq.phys_pages);
} else
if (amemq.phys_pages != 0 && amemq.phys_pages != 1) {
printf("%ld: phys_pages = %ld, expected 0 or 1\n",
abase, amemq.phys_pages);
}
memq.phys_pages += amemq.phys_pages;
if (amemq.managed != 0 && amemq.managed != 1) {
printf("%ld: managed = %ld, expected 0 or 1\n",
abase, amemq.managed);
}
memq.managed += amemq.managed;
if (amemq.nonrelocatable != 0 && amemq.nonrelocatable != 1) {
printf("%ld: nonrelocatable = %ld, expected 0 or 1\n",
abase, amemq.nonrelocatable);
}
memq.nonrelocatable += amemq.nonrelocatable;
if (amemq.nonrelocatable != 0) {
if (amemq.first_nonrelocatable != abase) {
printf("%ld: first_nonrelocatable = %ld\n",
abase, amemq.first_nonrelocatable);
}
if (amemq.last_nonrelocatable != abase) {
printf("%ld: last_nonrelocatable = %ld\n",
abase, amemq.last_nonrelocatable);
}
if (!done_first_nonreloc) {
memq.first_nonrelocatable = abase;
done_first_nonreloc = 1;
}
memq.last_nonrelocatable = abase;
}
}
if (mqp->phys_pages != memq.phys_pages) {
printf("query phys_pages: %ld != %ld\n",
mqp->phys_pages, memq.phys_pages);
}
if (mqp->managed != memq.managed) {
printf("query managed: %ld != %ld\n",
mqp->managed, memq.managed);
}
if (mqp->nonrelocatable != memq.nonrelocatable) {
printf("query nonrelocatable: %ld != %ld\n",
mqp->nonrelocatable, memq.nonrelocatable);
}
if (mqp->first_nonrelocatable != memq.first_nonrelocatable) {
printf("query first_nonrelocatable: %ld != %ld\n",
mqp->first_nonrelocatable, memq.first_nonrelocatable);
}
if (mqp->last_nonrelocatable != memq.last_nonrelocatable) {
printf("query last_nonrelocatable: %ld != %ld\n",
mqp->last_nonrelocatable, memq.last_nonrelocatable);
}
}
#endif /* DEBUG */
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