168 lines
4.5 KiB
C
168 lines
4.5 KiB
C
/*-
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* Copyright (c) 2000 Michael Smith
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* Copyright (c) 2000 BSDi
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* OSD interfaces for the BusMgr module
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*/
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#include "acpi.h"
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#include "bmosd.h"
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#include <sys/eventhandler.h>
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#include <sys/reboot.h>
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#define _COMPONENT OS_DEPENDENT
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MODULE_NAME("BUSMGR")
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struct osd_eventhandle {
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eventhandler_tag tag;
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OSD_IDLE_HANDLER Function;
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void *Context;
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};
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#define NUM_IDLEHANDLERS 10
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struct osd_eventhandle idlehandlers[NUM_IDLEHANDLERS] = {{0, 0}};
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#define NUM_SHUTDOWNHANDLERS 20
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struct osd_eventhandle shutdownhandlers[NUM_SHUTDOWNHANDLERS] = {{0, 0}};
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static void
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osd_idlehandler(void *arg, int junk)
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{
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struct osd_eventhandle *oh = (struct osd_eventhandle *)arg;
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FUNCTION_TRACE(__FUNCTION__);
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oh->Function(oh->Context);
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return_VOID();
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}
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static void
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osd_shutdownhandler(void *arg, int howto)
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{
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struct osd_eventhandle *oh = (struct osd_eventhandle *)arg;
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FUNCTION_TRACE(__FUNCTION__);
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oh->Function(oh->Context);
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return_VOID();
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}
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ACPI_STATUS
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AcpiOsInstallIdleHandler(OSD_IDLE_HANDLER Function, void *Context)
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{
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int i;
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FUNCTION_TRACE(__FUNCTION__);
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if (Function == NULL)
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return_ACPI_STATUS(AE_BAD_PARAMETER);
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for (i = 0; i < NUM_IDLEHANDLERS; i++) {
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if (idlehandlers[i].Function == NULL) {
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idlehandlers[i].Function = Function;
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idlehandlers[i].Context = Context;
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idlehandlers[i].tag = EVENTHANDLER_FAST_REGISTER(idle_event, osd_idlehandler,
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&idlehandlers[i], IDLE_PRI_FIRST);
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return_ACPI_STATUS(AE_OK);
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}
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}
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return_ACPI_STATUS(AE_NO_MEMORY);
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}
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ACPI_STATUS
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AcpiOsRemoveIdleHandler(OSD_IDLE_HANDLER Function)
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{
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int i;
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FUNCTION_TRACE(__FUNCTION__);
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if (Function == NULL)
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return_ACPI_STATUS(AE_BAD_PARAMETER);
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for (i = 0; i < NUM_IDLEHANDLERS; i++) {
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if (idlehandlers[i].Function == Function) {
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EVENTHANDLER_FAST_DEREGISTER(idle_event, idlehandlers[i].tag);
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idlehandlers[i].Function = NULL;
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return_ACPI_STATUS(AE_OK);
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}
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}
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return_ACPI_STATUS(AE_NOT_EXIST);
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}
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/*
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* It's not clear where exactly in the shutdown order these should be
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* queued.
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*/
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ACPI_STATUS
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AcpiOsInstallShutdownHandler(OSD_SHUTDOWN_HANDLER Function, void *Context)
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{
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int i;
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FUNCTION_TRACE(__FUNCTION__);
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if (Function == NULL)
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return_ACPI_STATUS(AE_BAD_PARAMETER);
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for (i = 0; i < NUM_SHUTDOWNHANDLERS; i++) {
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if (shutdownhandlers[i].Function == NULL) {
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shutdownhandlers[i].Function = Function;
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shutdownhandlers[i].Context = Context;
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shutdownhandlers[i].tag = EVENTHANDLER_REGISTER(shutdown_final, osd_shutdownhandler,
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&shutdownhandlers[i], SHUTDOWN_PRI_LAST);
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return_ACPI_STATUS(AE_OK);
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}
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}
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return_ACPI_STATUS(AE_NO_MEMORY);
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}
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ACPI_STATUS
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AcpiOsRemoveShutdownHandler(OSD_SHUTDOWN_HANDLER Function)
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{
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int i;
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FUNCTION_TRACE(__FUNCTION__);
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if (Function == NULL)
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return_ACPI_STATUS(AE_BAD_PARAMETER);
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for (i = 0; i < NUM_SHUTDOWNHANDLERS; i++) {
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if (shutdownhandlers[i].Function == Function) {
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EVENTHANDLER_DEREGISTER(shutdown_final, shutdownhandlers[i].tag);
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shutdownhandlers[i].Function = NULL;
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return_ACPI_STATUS(AE_OK);
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}
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}
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return_ACPI_STATUS(AE_NOT_EXIST);
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}
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ACPI_STATUS
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AcpiOsShutdown (void)
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{
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FUNCTION_TRACE(__FUNCTION__);
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shutdown_nice(0);
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return_VOID();
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}
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