133 lines
4.2 KiB
C
133 lines
4.2 KiB
C
/**************************************************************************
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* ASPI routines
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* Copyright (C) 2000 David Elliott <dfe@infinite-internet.net>
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* Copyright (C) 2005 Vitaliy Margolen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/* These routines are to be called from either WNASPI32 or WINASPI */
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/* FIXME:
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* - No way to override automatic /proc detection, maybe provide an
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* HKEY_LOCAL_MACHINE\Software\Wine\Wine\Scsi regkey
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* - Somewhat debating an #ifdef linux... technically all this code will
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* run on another UNIX.. it will fail nicely.
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* - Please add support for mapping multiple channels on host adapters to
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* aspi controllers, e-mail me if you need help.
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#include <string.h>
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#include <stdlib.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winreg.h"
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#include "winerror.h"
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#include "winescsi.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(aspi);
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static const WCHAR wDevicemapScsi[] = {'H','A','R','D','W','A','R','E','\\','D','E','V','I','C','E','M','A','P','\\','S','c','s','i',0};
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/* Exported functions */
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int ASPI_GetNumControllers(void)
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{
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HKEY hkeyScsi, hkeyPort;
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DWORD i = 0, numPorts, num_ha = 0;
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WCHAR wPortName[15];
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if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, wDevicemapScsi, 0,
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KEY_QUERY_VALUE | KEY_ENUMERATE_SUB_KEYS, &hkeyScsi) != ERROR_SUCCESS )
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{
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ERR("Could not open HKLM\\%s\n", debugstr_w(wDevicemapScsi));
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return 0;
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}
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while (RegEnumKeyW(hkeyScsi, i++, wPortName, ARRAY_SIZE(wPortName)) == ERROR_SUCCESS)
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{
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if (RegOpenKeyExW(hkeyScsi, wPortName, 0, KEY_QUERY_VALUE, &hkeyPort) == ERROR_SUCCESS)
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{
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if (RegQueryInfoKeyW(hkeyPort, NULL, NULL, NULL, &numPorts, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL) == ERROR_SUCCESS)
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{
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num_ha += numPorts;
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}
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RegCloseKey(hkeyPort);
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}
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}
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RegCloseKey(hkeyScsi);
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TRACE("Returning %ld host adapters\n", num_ha );
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return num_ha;
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}
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/* SCSI_GetHCforController
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* RETURNS
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* HIWORD: Host Adapter
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* LOWORD: Channel
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*/
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DWORD ASPI_GetHCforController( int controller )
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{
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HKEY hkeyScsi, hkeyPort;
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DWORD i = 0, numPorts;
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int num_ha = controller + 1;
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WCHAR wPortName[15];
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WCHAR wBusName[15];
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if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, wDevicemapScsi, 0,
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KEY_QUERY_VALUE | KEY_ENUMERATE_SUB_KEYS, &hkeyScsi) != ERROR_SUCCESS )
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{
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ERR("Could not open HKLM\\%s\n", debugstr_w(wDevicemapScsi));
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return 0xFFFFFFFF;
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}
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while (RegEnumKeyW(hkeyScsi, i++, wPortName, ARRAY_SIZE(wPortName)) == ERROR_SUCCESS)
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{
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if (RegOpenKeyExW(hkeyScsi, wPortName, 0, KEY_QUERY_VALUE | KEY_ENUMERATE_SUB_KEYS,
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&hkeyPort) == ERROR_SUCCESS)
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{
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if (RegQueryInfoKeyW(hkeyPort, NULL, NULL, NULL, &numPorts, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL) == ERROR_SUCCESS)
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{
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num_ha -= numPorts;
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if (num_ha <= 0) break;
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}
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else
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RegCloseKey(hkeyPort);
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}
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}
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RegCloseKey(hkeyScsi);
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if (num_ha > 0)
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{
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ERR("Invalid controller(%d)\n", controller);
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return 0xFFFFFFFF;
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}
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if (RegEnumKeyW(hkeyPort, -num_ha, wBusName, ARRAY_SIZE(wBusName)) != ERROR_SUCCESS)
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{
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ERR("Failed to enumerate keys\n");
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RegCloseKey(hkeyPort);
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return 0xFFFFFFFF;
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}
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RegCloseKey(hkeyPort);
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return (wcstol(&wPortName[9], NULL, 10) << 16) + wcstol(&wBusName[9], NULL, 10);
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}
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