io/ppm/acpisleep.c

	acpisleep.c revision aa2aa9a662539940ddbc8610da5a3a874ebd7503
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre/*
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * CDDL HEADER START
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre *
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * The contents of this file are subject to the terms of the
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * Common Development and Distribution License (the "License").
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * You may not use this file except in compliance with the License.
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre *
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * or http://www.opensolaris.org/os/licensing.
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * See the License for the specific language governing permissions
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * and limitations under the License.
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre *
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * When distributing Covered Code, include this CDDL HEADER in each
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * If applicable, add the following below this CDDL HEADER, with the
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * fields enclosed by brackets "[]" replaced with your own identifying
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * information: Portions Copyright [yyyy] [name of copyright owner]
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre *
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * CDDL HEADER END
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
7a8a68f5e3efbaec1a375c2d50bd20b566631755Julian Pullen/*
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * Use is subject to license terms.
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include <sys/types.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include <sys/smp_impldefs.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include <sys/promif.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include <sys/kmem.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include <sys/archsystm.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include <sys/cpuvar.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include <sys/pte.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include <vm/seg_kmem.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include <sys/epm.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include <sys/cpr.h>
7a8a68f5e3efbaec1a375c2d50bd20b566631755Julian Pullen#include <sys/machsystm.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include <sys/clock.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include <sys/cpr_wakecode.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include <sys/acpi/acpi.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#ifdef OLDPMCODE
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include "acpi.h"
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#endif
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include    <sys/x86_archext.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include    <sys/reboot.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include    <sys/cpu_module.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#include    <sys/kdi.h>
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre/*
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * S3 stuff
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkreint acpi_rtc_wake = 0x0;        /* wake in N seconds */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#if 0   /* debug */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkrestatic uint8_t  branchbuf[64 * 1024];   /* for the HDT branch trace stuff */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#endif  /* debug */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkreextern int boothowto;
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre#define BOOTCPU 0   /* cpu 0 is always the boot cpu */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkreextern void     kernel_wc_code(void);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkreextern tod_ops_t    *tod_ops;
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkreextern int flushes_require_xcalls;
4d61c878ad5fbf36c5338bef5994cc5fe88a589aJulian Pullenextern int tsc_gethrtime_enable;
7a8a68f5e3efbaec1a375c2d50bd20b566631755Julian Pullen
7a8a68f5e3efbaec1a375c2d50bd20b566631755Julian Pullenextern cpuset_t cpu_ready_set;
7a8a68f5e3efbaec1a375c2d50bd20b566631755Julian Pullenextern void *(*cpu_pause_func)(void *);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
7a8a68f5e3efbaec1a375c2d50bd20b566631755Julian Pullen
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
7a8a68f5e3efbaec1a375c2d50bd20b566631755Julian Pullen/*
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre * This is what we've all been waiting for!
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre */
4d61c878ad5fbf36c5338bef5994cc5fe88a589aJulian Pullenint
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkreacpi_enter_sleepstate(s3a_t *s3ap)
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre{
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    ACPI_PHYSICAL_ADDRESS   wakephys = s3ap->s3a_wakephys;
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    caddr_t         wakevirt = rm_platter_va;
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    /*LINTED*/
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    wakecode_t      *wp = (wakecode_t *)wakevirt;
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    uint_t          Sx = s3ap->s3a_state;
7a8a68f5e3efbaec1a375c2d50bd20b566631755Julian Pullen
7a8a68f5e3efbaec1a375c2d50bd20b566631755Julian Pullen    PT(PT_SWV);
7a8a68f5e3efbaec1a375c2d50bd20b566631755Julian Pullen    /* Set waking vector */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    if (AcpiSetFirmwareWakingVector(wakephys) != AE_OK) {
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        PT(PT_SWV_FAIL);
4d61c878ad5fbf36c5338bef5994cc5fe88a589aJulian Pullen        PMD(PMD_SX, ("Can't SetFirmwareWakingVector(%lx)\n",
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre            (long)wakephys))
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        goto insomnia;
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    }
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    PT(PT_EWE);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    /* Enable wake events */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    if (AcpiEnableEvent(ACPI_EVENT_POWER_BUTTON, 0) != AE_OK) {
7a8a68f5e3efbaec1a375c2d50bd20b566631755Julian Pullen        PT(PT_EWE_FAIL);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        PMD(PMD_SX, ("Can't EnableEvent(POWER_BUTTON)\n"))
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    }
7a8a68f5e3efbaec1a375c2d50bd20b566631755Julian Pullen    if (acpi_rtc_wake > 0) {
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        /* clear the RTC bit first */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        (void) AcpiWriteBitRegister(ACPI_BITREG_RT_CLOCK_STATUS, 1);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        PT(PT_RTCW);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        if (AcpiEnableEvent(ACPI_EVENT_RTC, 0) != AE_OK) {
7a8a68f5e3efbaec1a375c2d50bd20b566631755Julian Pullen            PT(PT_RTCW_FAIL);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre            PMD(PMD_SX, ("Can't EnableEvent(RTC)\n"))
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        }
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        /*
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre         * Set RTC to wake us in a wee while.
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre         */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        mutex_enter(&tod_lock);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        PT(PT_TOD);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        TODOP_SETWAKE(tod_ops, acpi_rtc_wake);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        mutex_exit(&tod_lock);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    }
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    /*
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre     * Prepare for sleep ... could've done this earlier?
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre     */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    PT(PT_SXP);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    PMD(PMD_SX, ("Calling AcpiEnterSleepStatePrep(%d) ...\n", Sx))
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    if (AcpiEnterSleepStatePrep(Sx) != AE_OK) {
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        PMD(PMD_SX, ("... failed\n!"))
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        goto insomnia;
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    }
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    switch (s3ap->s3a_test_point) {
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    case DEVICE_SUSPEND_TO_RAM:
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    case FORCE_SUSPEND_TO_RAM:
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    case LOOP_BACK_PASS:
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        return (0);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    case LOOP_BACK_FAIL:
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        return (1);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    default:
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        ASSERT(s3ap->s3a_test_point == LOOP_BACK_NONE);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    }
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    /*
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre     * Tell the hardware to sleep.
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre     */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    PT(PT_SXE);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    PMD(PMD_SX, ("Calling AcpiEnterSleepState(%d) ...\n", Sx))
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    if (AcpiEnterSleepState(Sx) != AE_OK) {
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        PT(PT_SXE_FAIL);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        PMD(PMD_SX, ("... failed!\n"))
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    }
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkreinsomnia:
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    PT(PT_INSOM);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    /* cleanup is done in the caller */
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    return (1);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre}
7a8a68f5e3efbaec1a375c2d50bd20b566631755Julian Pullen
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkreint
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkreacpi_exit_sleepstate(s3a_t *s3ap)
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre{
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    int Sx = s3ap->s3a_state;
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    PT(PT_WOKE);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    PMD(PMD_SX, ("!We woke up!\n"))
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    PT(PT_LSS);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    if (AcpiLeaveSleepState(Sx) != AE_OK) {
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        PT(PT_LSS_FAIL);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        PMD(PMD_SX, ("Problem with LeaveSleepState!\n"))
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    }
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    PT(PT_CPB);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    if (AcpiClearEvent(ACPI_EVENT_POWER_BUTTON) != AE_OK) {
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        PT(PT_CPB_FAIL);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        PMD(PMD_SX, ("Problem w/ ClearEvent(POWER_BUTTON)\n"))
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    }
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    if (acpi_rtc_wake > 0 &&
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        AcpiDisableEvent(ACPI_EVENT_RTC, 0) != AE_OK) {
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        PT(PT_DRTC_FAIL);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre        PMD(PMD_SX, ("Problem w/ DisableEvent(RTC)\n"))
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    }
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    PMD(PMD_SX, ("Exiting acpi_sleepstate() => 0\n"))
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre    return (0);
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre}
2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1fBaban Kenkre