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authorJin Qian2017-03-15 21:03:06 -0500
committerJin Qian2017-03-16 18:12:55 -0500
commit4fc338e60bf1d85212f1540d109beb1b248c4830 (patch)
tree0c2911d0119f8dcec09a81cda517895b319a4030 /storaged/include/storaged_info.h
parentbb82a5a53c437a778ae4a090f7bca7f76f86bc0c (diff)
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storaged: rewrite emmc info class
Test: adb logcat -d -b events | grep storaged_emmc_info Bug: 36228467 Change-Id: Ib799e60ed65661a9fb99be8ad4c930f547339975
Diffstat (limited to 'storaged/include/storaged_info.h')
-rw-r--r--storaged/include/storaged_info.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/storaged/include/storaged_info.h b/storaged/include/storaged_info.h
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index 000000000..cb5b8a8e2
--- /dev/null
+++ b/storaged/include/storaged_info.h
@@ -0,0 +1,66 @@
1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef _STORAGED_INFO_H_
18#define _STORAGED_INFO_H_
19
20#include <string.h>
21
22#define FRIEND_TEST(test_case_name, test_name) \
23friend class test_case_name##_##test_name##_Test
24
25using namespace std;
26
27// two characters in string for each byte
28struct str_hex {
29 char str[2];
30};
31
32class storage_info_t {
33protected:
34 FRIEND_TEST(storaged_test, storage_info_t);
35 uint8_t eol; // pre-eol (end of life) information
36 uint8_t lifetime_a; // device life time estimation (type A)
37 uint8_t lifetime_b; // device life time estimation (type B)
38 string version; // version string
39public:
40 void publish();
41 virtual ~storage_info_t() {}
42 virtual bool init() = 0;
43 virtual bool update() = 0;
44};
45
46class emmc_info_t : public storage_info_t {
47private:
48 // minimum size of a ext_csd file
49 const int EXT_CSD_FILE_MIN_SIZE = 1024;
50 // List of interesting offsets
51 const size_t EXT_CSD_REV_IDX = 192 * sizeof(str_hex);
52 const size_t EXT_PRE_EOL_INFO_IDX = 267 * sizeof(str_hex);
53 const size_t EXT_DEVICE_LIFE_TIME_EST_A_IDX = 268 * sizeof(str_hex);
54 const size_t EXT_DEVICE_LIFE_TIME_EST_B_IDX = 269 * sizeof(str_hex);
55
56 const char* ext_csd_file = "/d/mmc0/mmc0:0001/ext_csd";
57 const char* emmc_ver_str[8] = {
58 "4.0", "4.1", "4.2", "4.3", "Obsolete", "4.41", "4.5", "5.0"
59 };
60public:
61 virtual ~emmc_info_t() {}
62 bool init();
63 bool update();
64};
65
66#endif /* _STORAGED_INFO_H_ */