device/config.proto: Add EC enum/field

This new field specifies what type of EC is present on the device: a
Chrome EC, a Wilco EC, or none/unspecified.
If unspecified, assume there is no EC present.

The underlying objective here is to be able to use EC as a dependency
for Tast tests. That way, test writers will be able to skip certain
tests on devices that do not have an EC, or do not have the correct type
of EC.

BUG=b:162106528
TEST=generate.sh

Change-Id: I568127d970ef751c2cb1467c66ce5408eecc5d6d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2375909
Reviewed-by: Andrew Lamb <andrewlamb@chromium.org>
Reviewed-by: Keith Short <keithshort@chromium.org>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Tested-by: Greg Edelston <gredelston@google.com>
Commit-Queue: Greg Edelston <gredelston@google.com>
diff --git a/go/device/config.pb.go b/go/device/config.pb.go
index 3f51753..70303a7 100644
--- a/go/device/config.pb.go
+++ b/go/device/config.pb.go
@@ -525,7 +525,37 @@
 	return fileDescriptor_8272a55f8dc33811, []int{0, 9}
 }
 
-// Next tag: 21
+// Indicate the type of EC present on a device.
+// Next tag: 3
+type Config_EC int32
+
+const (
+	Config_EC_UNSPECIFIED Config_EC = 0
+	Config_EC_CHROME      Config_EC = 1
+	Config_EC_WILCO       Config_EC = 2
+)
+
+var Config_EC_name = map[int32]string{
+	0: "EC_UNSPECIFIED",
+	1: "EC_CHROME",
+	2: "EC_WILCO",
+}
+
+var Config_EC_value = map[string]int32{
+	"EC_UNSPECIFIED": 0,
+	"EC_CHROME":      1,
+	"EC_WILCO":       2,
+}
+
+func (x Config_EC) String() string {
+	return proto.EnumName(Config_EC_name, int32(x))
+}
+
+func (Config_EC) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_8272a55f8dc33811, []int{0, 10}
+}
+
+// Next tag: 22
 type Config struct {
 	// Required. Unique ID of the device config.
 	Id         *ConfigId         `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
@@ -563,9 +593,11 @@
 	// configuration space that needs customization.
 	FirmwareConfiguration uint32              `protobuf:"varint,19,opt,name=firmware_configuration,json=firmwareConfiguration,proto3" json:"firmware_configuration,omitempty"`
 	Cpu                   Config_Architecture `protobuf:"varint,20,opt,name=cpu,proto3,enum=device.Config_Architecture" json:"cpu,omitempty"`
-	XXX_NoUnkeyedLiteral  struct{}            `json:"-"`
-	XXX_unrecognized      []byte              `json:"-"`
-	XXX_sizecache         int32               `json:"-"`
+	// If an EC is not specified, one can assume the device has no EC.
+	Ec                   Config_EC `protobuf:"varint,21,opt,name=ec,proto3,enum=device.Config_EC" json:"ec,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}  `json:"-"`
+	XXX_unrecognized     []byte    `json:"-"`
+	XXX_sizecache        int32     `json:"-"`
 }
 
 func (m *Config) Reset()         { *m = Config{} }
@@ -719,6 +751,13 @@
 	return Config_ARCHITECTURE_UNDEFINED
 }
 
+func (m *Config) GetEc() Config_EC {
+	if m != nil {
+		return m.Ec
+	}
+	return Config_EC_UNSPECIFIED
+}
+
 // Message contains all ChromeOS device configs.
 type AllConfigs struct {
 	Configs              []*Config `protobuf:"bytes,1,rep,name=configs,proto3" json:"configs,omitempty"`
@@ -770,6 +809,7 @@
 	proto.RegisterEnum("device.Config_ODM", Config_ODM_name, Config_ODM_value)
 	proto.RegisterEnum("device.Config_OEM", Config_OEM_name, Config_OEM_value)
 	proto.RegisterEnum("device.Config_Architecture", Config_Architecture_name, Config_Architecture_value)
+	proto.RegisterEnum("device.Config_EC", Config_EC_name, Config_EC_value)
 	proto.RegisterType((*Config)(nil), "device.Config")
 	proto.RegisterType((*AllConfigs)(nil), "device.AllConfigs")
 }
@@ -777,101 +817,104 @@
 func init() { proto.RegisterFile("device/config.proto", fileDescriptor_8272a55f8dc33811) }
 
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 }
diff --git a/src/device/config.proto b/src/device/config.proto
index 51509ae..d940272 100644
--- a/src/device/config.proto
+++ b/src/device/config.proto
@@ -13,7 +13,7 @@
 // These are the distinct configs combinations that will constitue a ChromeOS
 // device.
 
-// Next tag: 21
+// Next tag: 22
 message Config {
 
   // Required. Unique ID of the device config.
@@ -222,6 +222,16 @@
     ARM64 = 4;
   }
   Architecture cpu = 20;
+
+  // Indicate the type of EC present on a device.
+  // Next tag: 3
+  enum EC {
+    EC_UNSPECIFIED = 0;
+    EC_CHROME = 1;
+    EC_WILCO = 2;
+  }
+  // If an EC is not specified, one can assume the device has no EC.
+  EC ec = 21;
 }
 
 // Message contains all ChromeOS device configs.