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Merge "dmctl: suspend and resume devices" am: e1d4e39064 am: 90a6dda2ce am: 736227936d am: fb6825e993

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am: dca729d44f

Change-Id: I91e7d31000721de881d4d0a9d520944814617cdc
This commit is contained in:
Alessio Balsini 2019-07-29 21:30:56 -07:00 • committed by android-build-merger
commit 9cf5b75137
1 changed files with 32 additions and 0 deletions
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32
fs_mgr/tools/dmctl.cpp
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@ -50,6 +50,8 @@ static int Usage(void) {
std::cerr << " list <devices | targets> [-v]" << std::endl;
std::cerr << " getpath <dm-name>" << std::endl;
std::cerr << " status <dm-name>" << std::endl;
std::cerr << " resume <dm-name>" << std::endl;
std::cerr << " suspend <dm-name>" << std::endl;
std::cerr << " table <dm-name>" << std::endl;
std::cerr << " help" << std::endl;
std::cerr << std::endl;
@ -399,6 +401,34 @@ static int StatusCmdHandler(int argc, char** argv) {
return DumpTable("status", argc, argv);
}
static int ResumeCmdHandler(int argc, char** argv) {
if (argc != 1) {
std::cerr << "Invalid arguments, see \'dmctl help\'" << std::endl;
return -EINVAL;
}
DeviceMapper& dm = DeviceMapper::Instance();
if (!dm.ChangeState(argv[0], DmDeviceState::ACTIVE)) {
std::cerr << "Could not resume device \"" << argv[0] << "\"." << std::endl;
return -EINVAL;
}
return 0;
}
static int SuspendCmdHandler(int argc, char** argv) {
if (argc != 1) {
std::cerr << "Invalid arguments, see \'dmctl help\'" << std::endl;
return -EINVAL;
}
DeviceMapper& dm = DeviceMapper::Instance();
if (!dm.ChangeState(argv[0], DmDeviceState::SUSPENDED)) {
std::cerr << "Could not suspend device \"" << argv[0] << "\"." << std::endl;
return -EINVAL;
}
return 0;
}
static std::map<std::string, std::function<int(int, char**)>> cmdmap = {
// clang-format off
{"create", DmCreateCmdHandler},
@ -408,6 +438,8 @@ static std::map<std::string, std::function<int(int, char**)>> cmdmap = {
{"getpath", GetPathCmdHandler},
{"table", TableCmdHandler},
{"status", StatusCmdHandler},
{"resume", ResumeCmdHandler},
{"suspend", SuspendCmdHandler},
// clang-format on
};