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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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/sunddi.h>
#include <sys/cpupm.h>
/*
* Initialize the field that will be used for reporting
* the supported_frequencies_Hz cpu_info kstat.
*/
void
cpupm_set_supp_freqs(cpu_t *cp, int *speeds, uint_t nspeeds)
{
char *supp_freqs = NULL;
char *sfptr;
uint64_t *hzspeeds;
int i;
int j;
#define UINT64_MAX_STRING (sizeof ("18446744073709551615"))
if (speeds == NULL) {
cpu_set_supp_freqs(cp, supp_freqs);
return;
}
hzspeeds = kmem_zalloc(nspeeds * sizeof (uint64_t), KM_SLEEP);
for (i = nspeeds - 1, j = 0; i >= 0; i--, j++) {
hzspeeds[i] = CPUPM_SPEED_HZ(cp->cpu_type_info.pi_clock,
speeds[j]);
}
supp_freqs = kmem_zalloc((UINT64_MAX_STRING * nspeeds), KM_SLEEP);
sfptr = supp_freqs;
for (i = 0; i < nspeeds; i++) {
if (i == nspeeds - 1) {
(void) sprintf(sfptr, "%"PRIu64, hzspeeds[i]);
} else {
(void) sprintf(sfptr, "%"PRIu64":", hzspeeds[i]);
sfptr = supp_freqs + strlen(supp_freqs);
}
}
cpu_set_supp_freqs(cp, supp_freqs);
kmem_free(supp_freqs, (UINT64_MAX_STRING * nspeeds));
kmem_free(hzspeeds, nspeeds * sizeof (uint64_t));
}
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