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      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) \
     23 friend class test_case_name##_##test_name##_Test
     24 
     25 using namespace std;
     26 
     27 class storage_info_t {
     28 protected:
     29     FRIEND_TEST(storaged_test, storage_info_t);
     30     // emmc lifetime
     31     uint16_t eol;                   // pre-eol (end of life) information
     32     uint16_t lifetime_a;            // device life time estimation (type A)
     33     uint16_t lifetime_b;            // device life time estimation (type B)
     34     string version;                 // version string
     35     // free space
     36     const string userdata_path = "/data";
     37     uint64_t userdata_total_kb;
     38     uint64_t userdata_free_kb;
     39 
     40     storage_info_t() : eol(0), lifetime_a(0), lifetime_b(0),
     41         userdata_total_kb(0), userdata_free_kb(0) {}
     42     void publish();
     43     storage_info_t* s_info;
     44 public:
     45     static storage_info_t* get_storage_info();
     46     virtual ~storage_info_t() {}
     47     virtual void report() {};
     48     void refresh();
     49 };
     50 
     51 class emmc_info_t : public storage_info_t {
     52 private:
     53     bool report_sysfs();
     54     bool report_debugfs();
     55 public:
     56     static const string emmc_sysfs;
     57     static const string emmc_debugfs;
     58     static const char* emmc_ver_str[];
     59 
     60     virtual ~emmc_info_t() {}
     61     virtual void report();
     62 };
     63 
     64 class ufs_info_t : public storage_info_t {
     65 public:
     66     static const string health_file;
     67 
     68     virtual ~ufs_info_t() {}
     69     virtual void report();
     70 };
     71 
     72 #endif /* _STORAGED_INFO_H_ */
     73