linux-kernel - [PATCH 3/3] tpm: Move eventlog declarations to its own header

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Message-Id: <20180411125501.188477-4-tweek@google.com>
Date:   Wed, 11 Apr 2018 14:55:01 +0200
From:   Thiebaud Weksteen <tweek@...gle.com>
To:     jarkko.sakkinen@...ux.intel.com, nayna@...ux.vnet.ibm.com,
        linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
        tweek@...gle.com
Cc:     linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
        Thiebaud Weksteen <tweek@...gle.com>
Subject: [PATCH 3/3] tpm: Move eventlog declarations to its own header

Reduce the size of tpm.h by moving eventlog declarations to a separate
header.

Signed-off-by: Thiebaud Weksteen <tweek@...gle.com>
---
 drivers/char/tpm/eventlog/common.c |  1 +
 drivers/char/tpm/eventlog/common.h | 35 ++++++++++++++++++++++++++++++
 drivers/char/tpm/eventlog/tpm1.c   |  1 +
 drivers/char/tpm/eventlog/tpm2.c   |  1 +
 drivers/char/tpm/tpm.h             | 29 -------------------------
 5 files changed, 38 insertions(+), 29 deletions(-)
 create mode 100644 drivers/char/tpm/eventlog/common.h

diff --git a/drivers/char/tpm/eventlog/common.c b/drivers/char/tpm/eventlog/common.c
index 54934b5a1566..9ecf8436983c 100644
--- a/drivers/char/tpm/eventlog/common.c
+++ b/drivers/char/tpm/eventlog/common.c
@@ -25,6 +25,7 @@
 #include <linux/tpm_eventlog.h>
 
 #include "../tpm.h"
+#include "common.h"
 
 
 static int tpm_bios_measurements_open(struct inode *inode,
diff --git a/drivers/char/tpm/eventlog/common.h b/drivers/char/tpm/eventlog/common.h
new file mode 100644
index 000000000000..47ff8136ceb5
--- /dev/null
+++ b/drivers/char/tpm/eventlog/common.h
@@ -0,0 +1,35 @@
+#ifndef __TPM_EVENTLOG_COMMON_H__
+#define __TPM_EVENTLOG_COMMON_H__
+
+#include "../tpm.h"
+
+extern const struct seq_operations tpm1_ascii_b_measurements_seqops;
+extern const struct seq_operations tpm1_binary_b_measurements_seqops;
+extern const struct seq_operations tpm2_binary_b_measurements_seqops;
+
+#if defined(CONFIG_ACPI)
+int tpm_read_log_acpi(struct tpm_chip *chip);
+#else
+static inline int tpm_read_log_acpi(struct tpm_chip *chip)
+{
+	return -ENODEV;
+}
+#endif
+#if defined(CONFIG_OF)
+int tpm_read_log_of(struct tpm_chip *chip);
+#else
+static inline int tpm_read_log_of(struct tpm_chip *chip)
+{
+	return -ENODEV;
+}
+#endif
+#if defined(CONFIG_EFI)
+int tpm_read_log_efi(struct tpm_chip *chip);
+#else
+static inline int tpm_read_log_efi(struct tpm_chip *chip)
+{
+	return -ENODEV;
+}
+#endif
+
+#endif
diff --git a/drivers/char/tpm/eventlog/tpm1.c b/drivers/char/tpm/eventlog/tpm1.c
index 8f30316e9bb6..58c84784ba25 100644
--- a/drivers/char/tpm/eventlog/tpm1.c
+++ b/drivers/char/tpm/eventlog/tpm1.c
@@ -29,6 +29,7 @@
 #include <linux/tpm_eventlog.h>
 
 #include "../tpm.h"
+#include "common.h"
 
 
 static const char* tcpa_event_type_strings[] = {
diff --git a/drivers/char/tpm/eventlog/tpm2.c b/drivers/char/tpm/eventlog/tpm2.c
index f0723fa9ae14..1b8fa9de2cac 100644
--- a/drivers/char/tpm/eventlog/tpm2.c
+++ b/drivers/char/tpm/eventlog/tpm2.c
@@ -24,6 +24,7 @@
 #include <linux/tpm_eventlog.h>
 
 #include "../tpm.h"
+#include "common.h"
 
 /*
  * calc_tpm2_event_size() - calculate the event size, where event
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index a583c5001904..067f305e36f0 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -580,35 +580,6 @@ int tpm2_prepare_space(struct tpm_chip *chip, struct tpm_space *space, u32 cc,
 int tpm2_commit_space(struct tpm_chip *chip, struct tpm_space *space,
 		      u32 cc, u8 *buf, size_t *bufsiz);
 
-extern const struct seq_operations tpm1_ascii_b_measurements_seqops;
-extern const struct seq_operations tpm1_binary_b_measurements_seqops;
-extern const struct seq_operations tpm2_binary_b_measurements_seqops;
-
-#if defined(CONFIG_ACPI)
-int tpm_read_log_acpi(struct tpm_chip *chip);
-#else
-static inline int tpm_read_log_acpi(struct tpm_chip *chip)
-{
-	return -ENODEV;
-}
-#endif
-#if defined(CONFIG_OF)
-int tpm_read_log_of(struct tpm_chip *chip);
-#else
-static inline int tpm_read_log_of(struct tpm_chip *chip)
-{
-	return -ENODEV;
-}
-#endif
-#if defined(CONFIG_EFI)
-int tpm_read_log_efi(struct tpm_chip *chip);
-#else
-static inline int tpm_read_log_efi(struct tpm_chip *chip)
-{
-	return -ENODEV;
-}
-#endif
-
 int tpm_bios_log_setup(struct tpm_chip *chip);
 void tpm_bios_log_teardown(struct tpm_chip *chip);
 #endif
-- 
2.17.0.484.g0c8726318c-goog