syntax = "proto3";

package storage;

option go_package = "github.com/siderolabs/talos/pkg/machinery/api/storage";

import "common/common.proto";
import "google/protobuf/empty.proto";

// StorageService represents the storage service.
service StorageService {
  rpc Disks(google.protobuf.Empty) returns (DisksResponse);
}

// Disk represents a disk.
message Disk {
  // Size indicates the disk size in bytes.
  uint64 size = 1;
  // Model idicates the disk model.
  string model = 2;
  // DeviceName indicates the disk name (e.g. `sda`).
  string device_name = 3;
  // Name as in `/sys/block/<dev>/device/name`.
  string name = 4;
  // Serial as in `/sys/block/<dev>/device/serial`.
  string serial = 5;
  // Modalias as in `/sys/block/<dev>/device/modalias`.
  string modalias = 6;
  // Uuid as in `/sys/block/<dev>/device/uuid`.
  string uuid = 7;
  // Wwid as in `/sys/block/<dev>/device/wwid`.
  string wwid = 8;
  enum DiskType {
    UNKNOWN = 0;
    SSD = 1;
    HDD = 2;
    NVME = 3;
    SD = 4;
    CD = 5;
  }
  // Type is a type of the disk: nvme, ssd, hdd, sd card.
  DiskType type = 9;
  // BusPath is the bus path of the disk.
  string bus_path = 10;
  // SystemDisk indicates that the disk is used as Talos system disk.
  bool system_disk = 11;
  // Subsystem is the symlink path in the `/sys/block/<dev>/subsystem`.
  string subsystem = 12;
  // Readonly specifies if the disk is read only.
  bool readonly = 13;
}

// DisksResponse represents the response of the `Disks` RPC.
message Disks {
  common.Metadata metadata = 1;
  repeated Disk disks = 2;
}

message DisksResponse {
  repeated Disks messages = 1;
}