212 lines
5.0 KiB
C
212 lines
5.0 KiB
C
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/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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asapp1.c
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Abstract:
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This application is used with the ACPI BIOS Simulator.
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Author(s):
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Vincent Geglia (vincentg) 06-Apr-2001
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Environment:
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Console App; User mode
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Notes:
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Revision History:
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--*/
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//
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// General includes
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//
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#include "windows.h"
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#include "stdlib.h"
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#include "stdio.h"
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#include "malloc.h"
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#include "setupapi.h"
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#include "devioctl.h"
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#include "acpiioct.h"
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//
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// Specific includes
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//
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#include "asimictl.h"
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//
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// Function definitions
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//
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void
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__cdecl
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main(
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int argc,
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char *argv[]
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)
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{
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HDEVINFO deviceinfo = INVALID_HANDLE_VALUE;
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SP_DEVICE_INTERFACE_DATA deviceinterfacedata;
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PSP_DEVICE_INTERFACE_DETAIL_DATA deviceinterfacedetaildata = 0;
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BOOL success = FALSE;
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CONST GUID guid = ACPISIM_GUID;
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DWORD size = 0;
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UCHAR methodname [4];
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HANDLE device = INVALID_HANDLE_VALUE;
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if (argc < 2) {
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printf ("Usage: %s <ACPI method to execute>\n\n", argv[0]);
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goto Exitmain;
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}
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if (strlen (argv[1]) > 4) {
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printf ("Method name too long (4 chars max).\n\n");
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goto Exitmain;
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}
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ZeroMemory (&methodname, sizeof (methodname));
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CopyMemory (&methodname, argv[1], strlen (argv[1]));
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printf ("Method to execute:%c%c%c%c\n",
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methodname[0],
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methodname[1],
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methodname[2],
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methodname[3]);
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deviceinterfacedata.cbSize = sizeof (SP_DEVICE_INTERFACE_DATA);
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deviceinfo = SetupDiGetClassDevs (&guid,
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NULL,
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NULL,
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DIGCF_DEVICEINTERFACE | DIGCF_PRESENT);
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if (deviceinfo == INVALID_HANDLE_VALUE) {
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printf ("Error enumerating ACPISIM device instances.\n");
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goto Exitmain;
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}
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success = SetupDiEnumDeviceInterfaces (deviceinfo,
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NULL,
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&guid,
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0,
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&deviceinterfacedata);
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if (!success) {
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printf ("Error enumerating ACPISIM device interface instances.\n");
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goto Exitmain;
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}
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//
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// Find out how big our buffer needs to be
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//
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success = SetupDiGetDeviceInterfaceDetail (deviceinfo,
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&deviceinterfacedata,
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NULL,
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0,
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&size,
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NULL);
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if (!size) {
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printf ("Error getting device interface size.\n");
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goto Exitmain;
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}
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deviceinterfacedetaildata = (PSP_DEVICE_INTERFACE_DETAIL_DATA) malloc (size);
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if (!deviceinterfacedetaildata) {
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printf ("Unable to allocate memory.\n");
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goto Exitmain;
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}
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deviceinterfacedetaildata->cbSize = sizeof (SP_DEVICE_INTERFACE_DETAIL_DATA);
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success = SetupDiGetDeviceInterfaceDetail (deviceinfo,
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&deviceinterfacedata,
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deviceinterfacedetaildata,
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size,
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NULL,
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NULL);
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if (!success) {
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printf ("Error getting device interface detail.\n");
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goto Exitmain;
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}
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device = CreateFile (
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deviceinterfacedetaildata->DevicePath,
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GENERIC_READ | GENERIC_WRITE,
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0,
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NULL,
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OPEN_EXISTING,
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0,
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NULL
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);
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if (device == INVALID_HANDLE_VALUE) {
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printf ("Error opening %s.\n", deviceinterfacedetaildata->DevicePath);
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goto Exitmain;
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}
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success = DeviceIoControl (
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device,
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IOCTL_ACPISIM_METHOD,
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&methodname,
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sizeof (methodname),
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NULL,
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0,
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&size,
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NULL
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);
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if (!success) {
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printf ("Error issuing IOCTL (%x).\n", GetLastError ());
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goto Exitmain;
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}
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Exitmain:
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if (deviceinterfacedetaildata) {
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free (deviceinterfacedetaildata);
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}
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if (device != INVALID_HANDLE_VALUE) {
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CloseHandle (device);
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}
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return;
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}
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