[PATCH v5 3/4] KEYS: trusted: create trusted keys subsystem

[Sumit Garg]

Move existing code to trusted keys subsystem. Also, rename files with
"tpm" as suffix which provides the underlying implementation.

Suggested-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
Signed-off-by: Sumit Garg <sumit.garg@xxxxxxxxxx>
---
 crypto/asymmetric_keys/asym_tpm.c                        | 2 +-
 include/Kbuild                                           | 1 -
 include/keys/{trusted.h => trusted_tpm.h}                | 7 +++++--
 security/keys/Makefile                                   | 2 +-
 security/keys/trusted-keys/Makefile                      | 7 +++++++
 security/keys/{trusted.c => trusted-keys/trusted_tpm1.c} | 2 +-
 6 files changed, 15 insertions(+), 6 deletions(-)
 rename include/keys/{trusted.h => trusted_tpm.h} (96%)
 create mode 100644 security/keys/trusted-keys/Makefile
 rename security/keys/{trusted.c => trusted-keys/trusted_tpm1.c} (99%)

diff --git a/crypto/asymmetric_keys/asym_tpm.c b/crypto/asymmetric_keys/asym_tpm.c
index 76d2ce3..ec3f309 100644
--- a/crypto/asymmetric_keys/asym_tpm.c
+++ b/crypto/asymmetric_keys/asym_tpm.c
@@ -13,7 +13,7 @@
 #include <crypto/sha.h>
 #include <asm/unaligned.h>
 #include <keys/asymmetric-subtype.h>
-#include <keys/trusted.h>
+#include <keys/trusted_tpm.h>
 #include <crypto/asym_tpm_subtype.h>
 #include <crypto/public_key.h>
 
diff --git a/include/Kbuild b/include/Kbuild
index 7e9f1ac..e9546a8 100644
--- a/include/Kbuild
+++ b/include/Kbuild
@@ -65,7 +65,6 @@ header-test-			+= keys/asymmetric-subtype.h
 header-test-			+= keys/asymmetric-type.h
 header-test-			+= keys/big_key-type.h
 header-test-			+= keys/request_key_auth-type.h
-header-test-			+= keys/trusted.h
 header-test-			+= kvm/arm_arch_timer.h
 header-test-			+= kvm/arm_pmu.h
 header-test-$(CONFIG_ARM)	+= kvm/arm_psci.h
diff --git a/include/keys/trusted.h b/include/keys/trusted_tpm.h
similarity index 96%
rename from include/keys/trusted.h
rename to include/keys/trusted_tpm.h
index 29e3e9b..7b9d7b4 100644
--- a/include/keys/trusted.h
+++ b/include/keys/trusted_tpm.h
@@ -1,6 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __TRUSTED_KEY_H
-#define __TRUSTED_KEY_H
+#ifndef __TRUSTED_TPM_H
+#define __TRUSTED_TPM_H
+
+#include <keys/trusted-type.h>
+#include <linux/tpm_command.h>
 
 /* implementation specific TPM constants */
 #define MAX_BUF_SIZE			1024
diff --git a/security/keys/Makefile b/security/keys/Makefile
index 9cef540..074f275 100644
--- a/security/keys/Makefile
+++ b/security/keys/Makefile
@@ -28,5 +28,5 @@ obj-$(CONFIG_ASYMMETRIC_KEY_TYPE) += keyctl_pkey.o
 # Key types
 #
 obj-$(CONFIG_BIG_KEYS) += big_key.o
-obj-$(CONFIG_TRUSTED_KEYS) += trusted.o
+obj-$(CONFIG_TRUSTED_KEYS) += trusted-keys/
 obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted-keys/
diff --git a/security/keys/trusted-keys/Makefile b/security/keys/trusted-keys/Makefile
new file mode 100644
index 0000000..1a24680
--- /dev/null
+++ b/security/keys/trusted-keys/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for trusted keys
+#
+
+obj-$(CONFIG_TRUSTED_KEYS) += trusted.o
+trusted-y += trusted_tpm1.o
diff --git a/security/keys/trusted.c b/security/keys/trusted-keys/trusted_tpm1.c
similarity index 99%
rename from security/keys/trusted.c
rename to security/keys/trusted-keys/trusted_tpm1.c
index f7134d6..66687e7 100644
--- a/security/keys/trusted.c
+++ b/security/keys/trusted-keys/trusted_tpm1.c
@@ -27,7 +27,7 @@
 #include <linux/tpm.h>
 #include <linux/tpm_command.h>
 
-#include <keys/trusted.h>
+#include <keys/trusted_tpm.h>
 
 static const char hmac_alg[] = "hmac(sha1)";
 static const char hash_alg[] = "sha1";
-- 
2.7.4