diff --git a/src/raspberrypi/rascsi.cpp b/src/raspberrypi/rascsi.cpp
index 804548a3..339a7071 100644
--- a/src/raspberrypi/rascsi.cpp
+++ b/src/raspberrypi/rascsi.cpp
@@ -1500,6 +1500,15 @@ static void *MonThread(void *param)
 					break;
 				}
 
+				case OPERATION_INFO: {
+					LOGTRACE("Received %s command", PbOperation_Name(command.operation()).c_str());
+
+					PbResult result;
+					result.set_allocated_operation_info(rascsi_response.GetOperationInfo(result));
+					SerializeMessage(fd, result);
+					break;
+				}
+
 				case RESERVED_IDS_INFO: {
 					LOGTRACE("Received %s command", PbOperation_Name(command.operation()).c_str());
 
diff --git a/src/raspberrypi/rascsi_interface.proto b/src/raspberrypi/rascsi_interface.proto
index 1fad7395..7d59c0fd 100644
--- a/src/raspberrypi/rascsi_interface.proto
+++ b/src/raspberrypi/rascsi_interface.proto
@@ -162,17 +162,21 @@ enum PbOperation {
 // The operation parameter meta data
 message PbOperationParameter {
     string name = 1;
+    // Optional description
+    string description = 2;
     // "int" or "string"
-    string type = 2;
-    // Any value of the specified type is permitted if empty
-    repeated string values = 3;
-    bool is_mandatory = 4;
+    string type = 3;
+    // There is no specific set of values if empty
+    repeated string values = 4;
+    bool is_mandatory = 5;
 }
 
 // The list of parameters supported by an operation
 message PbOperationParameters {
-    PbOperation operation = 1;
-    repeated PbOperationParameter parameters = 2;
+    string operation = 1;
+    // Optional description
+    string description = 2;
+    repeated PbOperationParameter parameters = 3;
 }
 
 message PbOperationInfo {
diff --git a/src/raspberrypi/rascsi_response.cpp b/src/raspberrypi/rascsi_response.cpp
index 7636447f..5173902b 100644
--- a/src/raspberrypi/rascsi_response.cpp
+++ b/src/raspberrypi/rascsi_response.cpp
@@ -334,3 +334,30 @@ PbMappingInfo *RascsiResponse::GetMappingInfo(PbResult& result)
 
 	return mapping_info;
 }
+
+PbOperationInfo *RascsiResponse::GetOperationInfo(PbResult& result)
+{
+	PbOperationInfo *operation_info = new PbOperationInfo();
+
+	PbOperationParameters *parameters;
+	PbOperationParameter *parameter;
+
+	parameters = operation_info->add_operations();
+	parameters->set_operation(PbOperation_Name(ATTACH));
+	parameters->set_description("Attach device, one of the parameters below is required");
+	parameter = parameters->add_parameters();
+	parameter->set_name("name");
+	parameter->set_description("Image file name");
+	parameter->set_type("string");
+	parameter = parameters->add_parameters();
+	parameter->set_name("interfaces");
+	parameter->set_description("Comma-separated list of network interfaces");
+	parameter->set_type("string");
+
+	parameters = operation_info->add_operations();
+	parameters->set_operation(PbOperation_Name(OPERATION_INFO));
+
+	result.set_status(true);
+
+	return operation_info;
+}
diff --git a/src/raspberrypi/rascsi_response.h b/src/raspberrypi/rascsi_response.h
index a4c7893a..e8ea0ee9 100644
--- a/src/raspberrypi/rascsi_response.h
+++ b/src/raspberrypi/rascsi_response.h
@@ -30,15 +30,16 @@ public:
 
 	bool GetImageFile(PbImageFile *, const string&);
 	PbImageFilesInfo *GetAvailableImages(PbResult&);
-	PbReservedIdsInfo *GetReservedIds(PbResult&, const set<int>&);
 	void GetDevices(PbServerInfo&, const vector<Device *>&);
 	void GetDevicesInfo(PbResult&, const PbCommand&, const vector<Device *>&, int);
 	PbDeviceTypesInfo *GetDeviceTypesInfo(PbResult&, const PbCommand&);
 	PbVersionInfo *GetVersionInfo(PbResult&);
 	PbServerInfo *GetServerInfo(PbResult&, const vector<Device *>&, const set<int>&, const string&);
 	PbNetworkInterfacesInfo *GetNetworkInterfacesInfo(PbResult&);
-	PbMappingInfo *GetMappingInfo(PbResult&);
 	PbLogLevelInfo *GetLogLevelInfo(PbResult&, const string&);
+	PbReservedIdsInfo *GetReservedIds(PbResult&, const set<int>&);
+	PbMappingInfo *GetMappingInfo(PbResult&);
+	PbOperationInfo *GetOperationInfo(PbResult&);
 
 private:
 
diff --git a/src/raspberrypi/rasctl.cpp b/src/raspberrypi/rasctl.cpp
index f89e0835..94ed5cad 100644
--- a/src/raspberrypi/rasctl.cpp
+++ b/src/raspberrypi/rasctl.cpp
@@ -102,7 +102,7 @@ int main(int argc, char* argv[])
 		cerr << "Usage: " << argv[0] << " -i ID [-u UNIT] [-c CMD] [-C FILE] [-t TYPE] [-b BLOCK_SIZE] [-n NAME] [-f FILE|PARAM] ";
 		cerr << "[-F IMAGE_FOLDER] [-L LOG_LEVEL] [-h HOST] [-p PORT] [-r RESERVED_IDS] ";
 		cerr << "[-C FILENAME:FILESIZE] [-d FILENAME] [-w FILENAME] [-R CURRENT_NAME:NEW_NAME] [-x CURRENT_NAME:NEW_NAME] ";
-		cerr << "[-e] [-E FILENAME] [-D] [-I] [-l] [-L] [-m] [-O] [-s] [-v] [-V] [-y] [-X]" << endl;
+		cerr << "[-e] [-E FILENAME] [-D] [-I] [-l] [-L] [-m] [o] [-O] [-s] [-v] [-V] [-y] [-X]" << endl;
 		cerr << " where  ID := {0-7}" << endl;
 		cerr << "        UNIT := {0-31}, default is 0" << endl;
 		cerr << "        CMD := {attach|detach|insert|eject|protect|unprotect|show}" << endl;
@@ -138,7 +138,7 @@ int main(int argc, char* argv[])
 
 	opterr = 1;
 	int opt;
-	while ((opt = getopt(argc, argv, "elmsvDINOTVXa:b:c:d:f:h:i:n:p:r:t:u:x:C:E:F:L:R:")) != -1) {
+	while ((opt = getopt(argc, argv, "elmosvDINOTVXa:b:c:d:f:h:i:n:p:r:t:u:x:C:E:F:L:R:")) != -1) {
 		switch (opt) {
 			case 'i': {
 				int id;
@@ -238,6 +238,10 @@ int main(int argc, char* argv[])
 				command.set_operation(LOG_LEVEL_INFO);
 				break;
 
+			case 'o':
+				command.set_operation(OPERATION_INFO);
+				break;
+
 			case 't':
 				device->set_type(ParseType(optarg));
 				if (device->type() == UNDEFINED) {
@@ -411,6 +415,10 @@ int main(int argc, char* argv[])
 			rasctl_commands.CommandMappingInfo();
 			break;
 
+		case OPERATION_INFO:
+			rasctl_commands.CommandOperationInfo();
+			break;
+
 		default:
 			rasctl_commands.SendCommand();
 			break;
diff --git a/src/raspberrypi/rasctl_commands.cpp b/src/raspberrypi/rasctl_commands.cpp
index 0302520b..185c1f5a 100644
--- a/src/raspberrypi/rasctl_commands.cpp
+++ b/src/raspberrypi/rasctl_commands.cpp
@@ -273,3 +273,10 @@ void RasctlCommands::CommandMappingInfo()
 
 	rasctl_display.DisplayMappingInfo(result.mapping_info());
 }
+
+void RasctlCommands::CommandOperationInfo()
+{
+	SendCommand();
+
+	rasctl_display.DisplayOperationInfo(result.operation_info());
+}
diff --git a/src/raspberrypi/rasctl_commands.h b/src/raspberrypi/rasctl_commands.h
index 0704191c..d1b88347 100644
--- a/src/raspberrypi/rasctl_commands.h
+++ b/src/raspberrypi/rasctl_commands.h
@@ -42,6 +42,7 @@ public:
 	void CommandLogLevelInfo();
 	void CommandReservedIdsInfo();
 	void CommandMappingInfo();
+	void CommandOperationInfo();
 
 private:
 
diff --git a/src/raspberrypi/rasctl_display.cpp b/src/raspberrypi/rasctl_display.cpp
index 6d3e2da3..5a5d1df1 100644
--- a/src/raspberrypi/rasctl_display.cpp
+++ b/src/raspberrypi/rasctl_display.cpp
@@ -273,3 +273,24 @@ void RasctlDisplay::DisplayMappingInfo(const PbMappingInfo& mapping_info)
 		cout << "  " << mapping.first << "->" << PbDeviceType_Name(mapping.second) << endl;
 	}
 }
+
+void RasctlDisplay::DisplayOperationInfo(const PbOperationInfo& operation_info)
+{
+	cout << "Remote operations supported by rascsi and their parameters:" << endl;
+	for (const auto& operation : operation_info.operations()) {
+		cout << "  " << operation.operation();
+		if (!operation.description().empty()) {
+			cout << " (" << operation.description() << ")";
+		}
+		cout << endl;
+
+		for (const auto& parameter : operation.parameters()) {
+			cout << "    " << parameter.name() << ": " << parameter.type()
+				<< (parameter.is_mandatory() ? ", mandatory" : ", optional");
+			if (!parameter.description().empty()) {
+				cout << " (" << parameter.description() << ")";
+			}
+			cout << endl;
+		}
+	}
+}
diff --git a/src/raspberrypi/rasctl_display.h b/src/raspberrypi/rasctl_display.h
index 9957e5fa..864027a4 100644
--- a/src/raspberrypi/rasctl_display.h
+++ b/src/raspberrypi/rasctl_display.h
@@ -30,4 +30,5 @@ public:
 	void DisplayImageFiles(const PbImageFilesInfo&);
 	void DisplayNetworkInterfaces(const PbNetworkInterfacesInfo&);
 	void DisplayMappingInfo(const PbMappingInfo&);
+	void DisplayOperationInfo(const PbOperationInfo&);
 };