DirectVolume.h revision dd9b8e92aaf330b48ddb40a7380588ef92b53de6
1f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat/* 2f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Copyright (C) 2008 The Android Open Source Project 3f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 4f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Licensed under the Apache License, Version 2.0 (the "License"); 5f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * you may not use this file except in compliance with the License. 6f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * You may obtain a copy of the License at 7f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 8f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * http://www.apache.org/licenses/LICENSE-2.0 9f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * 10f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * Unless required by applicable law or agreed to in writing, software 11f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * distributed under the License is distributed on an "AS IS" BASIS, 12f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * See the License for the specific language governing permissions and 14f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat * limitations under the License. 15f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat */ 16f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 17f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#ifndef _DEVICEVOLUME_H 18f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#define _DEVICEVOLUME_H 19f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 20f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include <utils/List.h> 21f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 22f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#include "Volume.h" 23f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 24dd9b8e92aaf330b48ddb40a7380588ef92b53de6San Mehat#define MAX_PARTS 4 25dd9b8e92aaf330b48ddb40a7380588ef92b53de6San Mehat 26f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehattypedef android::List<char *> PathCollection; 27f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 28ae10b91044bf76b40b77d81c169e48e0bbdf6d75San Mehatclass DirectVolume : public Volume { 29dd9b8e92aaf330b48ddb40a7380588ef92b53de6San Mehatpublic: 30dd9b8e92aaf330b48ddb40a7380588ef92b53de6San Mehat static const int MAX_PARTITIONS = 4; 31f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatprotected: 32f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat PathCollection *mPaths; 33f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat int mPartIdx; 34dd9b8e92aaf330b48ddb40a7380588ef92b53de6San Mehat int mDiskMajor; 35dd9b8e92aaf330b48ddb40a7380588ef92b53de6San Mehat int mDiskMinor; 36dd9b8e92aaf330b48ddb40a7380588ef92b53de6San Mehat int mPartMinors[MAX_PARTITIONS]; 37f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat int mDiskNumParts; 38fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat unsigned char mPendingPartMap; 39f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 40f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehatpublic: 41ae10b91044bf76b40b77d81c169e48e0bbdf6d75San Mehat DirectVolume(const char *label, const char *mount_point, int partIdx); 42ae10b91044bf76b40b77d81c169e48e0bbdf6d75San Mehat virtual ~DirectVolume(); 43f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 44f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat int addPath(const char *path); 45f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 46fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat int handleBlockEvent(NetlinkEvent *evt); 4749e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehatprotected: 4849e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat int prepareToMount(int *major, int *minor); 49fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat 50fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehatprivate: 51fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat void handleDiskAdded(const char *devpath, NetlinkEvent *evt); 52fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat void handleDiskRemoved(const char *devpath, NetlinkEvent *evt); 53fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat void handlePartitionAdded(const char *devpath, NetlinkEvent *evt); 54fd7f5875129adfe2845f4f3fffb17db3a89eea25San Mehat void handlePartitionRemoved(const char *devpath, NetlinkEvent *evt); 5549e2bce5b74129c26a35e25d4693cbfe98c4688eSan Mehat 56f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat}; 57f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 58ae10b91044bf76b40b77d81c169e48e0bbdf6d75San Mehattypedef android::List<DirectVolume *> DirectVolumeCollection; 59f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat 60f1b736bc5605e92e917ab27f5abf3ba839be2270San Mehat#endif 61