Move attestation definitions to standalone package

PiperOrigin-RevId: 405698863

pkg/abi/attestation/BUILD

@@ -0,0 +1,9 @@
+load("//tools:defs.bzl", "go_library")
+
+package(licenses = ["notice"])
+
+go_library(
+    name = "attestation",
+    srcs = ["attestation.go"],
+    visibility = ["//visibility:public"],
+)

pkg/abi/attestation/attestation.go

@@ -0,0 +1,35 @@
+// Copyright 2021 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package attestation includes definitions needed for gVisor attestation.
+package attestation
+
+// Attestation ioctls.
+const (
+	SIGN_ATTESTATION_REPORT = 0
+)
+
+// SizeOfQuoteInputData is the number of bytes in the input data of ioctl call
+// to get quote.
+const SizeOfQuoteInputData = 64
+
+// SignReport is a struct that gets signed quote from input data. The
+// serialized quote is copied to buf.
+// size is an input that specifies the size of buf. When returned, it's updated
+// to the size of quote.
+type SignReport struct {
+	data [64]byte
+	size uint32
+	buf  []byte
+}

pkg/abi/linux/ioctl.go

@@ -170,22 +170,3 @@ const (
 	KCOV_MODE_TRACE_PC  = 2
 	KCOV_MODE_TRACE_CMP = 3
 )
-
-// Attestation ioctls.
-var (
-	SIGN_ATTESTATION_REPORT = IOC(_IOC_READ, 's', 1, 65)
-)
-
-// SizeOfQuoteInputData is the number of bytes in the input data of ioctl call
-// to get quote.
-const SizeOfQuoteInputData = 64
-
-// SignReport is a struct that gets signed quote from input data. The
-// serialized quote is copied to buf.
-// size is an input that specifies the size of buf. When returned, it's updated
-// to the size of quote.
-type SignReport struct {
-	data [64]byte
-	size uint32
-	buf  []byte
-}