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Message-Id: <20170911100022.7251-2-tweek@google.com>
Date: Mon, 11 Sep 2017 12:00:20 +0200
From: Thiebaud Weksteen <tweek@...gle.com>
To: linux-efi@...r.kernel.org
Cc: ard.biesheuvel@...aro.org, matt@...eblueprint.co.uk,
linux-kernel@...r.kernel.org, mjg59@...gle.com,
tpmdd-devel@...ts.sourceforge.net, peterhuewe@....de,
jarkko.sakkinen@...ux.intel.com, jgunthorpe@...idianresearch.com,
tpmdd@...horst.net, Thiebaud Weksteen <tweek@...gle.com>
Subject: [PATCH v2 1/3] tpm: move tpm_eventlog.h outside of drivers folder
The generic definitions of data structures in tpm_eventlog.h are
required by other part of the kernel (namely, the EFI stub).
Signed-off-by: Thiebaud Weksteen <tweek@...gle.com>
---
drivers/char/tpm/tpm-chip.c | 3 +-
drivers/char/tpm/tpm-interface.c | 2 +-
drivers/char/tpm/tpm.h | 27 +++++++++++++++---
drivers/char/tpm/tpm1_eventlog.c | 2 +-
drivers/char/tpm/tpm2_eventlog.c | 2 +-
drivers/char/tpm/tpm_acpi.c | 2 +-
drivers/char/tpm/tpm_of.c | 2 +-
{drivers/char/tpm => include/linux}/tpm_eventlog.h | 32 +++++-----------------
8 files changed, 37 insertions(+), 35 deletions(-)
rename {drivers/char/tpm => include/linux}/tpm_eventlog.h (77%)
diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
index 67ec9d3d04f5..de2680118181 100644
--- a/drivers/char/tpm/tpm-chip.c
+++ b/drivers/char/tpm/tpm-chip.c
@@ -26,8 +26,9 @@
#include <linux/spinlock.h>
#include <linux/freezer.h>
#include <linux/major.h>
+#include <linux/tpm_eventlog.h>
+
#include "tpm.h"
-#include "tpm_eventlog.h"
DEFINE_IDR(dev_nums_idr);
static DEFINE_MUTEX(idr_lock);
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index fe597e6c55c4..bd7091d510bd 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -30,9 +30,9 @@
#include <linux/spinlock.h>
#include <linux/freezer.h>
#include <linux/pm_runtime.h>
+#include <linux/tpm_eventlog.h>
#include "tpm.h"
-#include "tpm_eventlog.h"
#define TPM_MAX_ORDINAL 243
#define TSC_MAX_ORDINAL 12
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 04fbff2edbf3..46caccf6fd1a 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -34,6 +34,7 @@
#include <linux/acpi.h>
#include <linux/cdev.h>
#include <linux/highmem.h>
+#include <linux/tpm_eventlog.h>
#include <crypto/hash_info.h>
#ifdef CONFIG_X86
@@ -397,10 +398,6 @@ struct tpm_cmd_t {
tpm_cmd_params params;
} __packed;
-struct tpm2_digest {
- u16 alg_id;
- u8 digest[SHA512_DIGEST_SIZE];
-} __packed;
/* A string buffer type for constructing TPM commands. This is based on the
* ideas of string buffer code in security/keys/trusted.h but is heap based
@@ -581,4 +578,26 @@ int tpm2_prepare_space(struct tpm_chip *chip, struct tpm_space *space, u32 cc,
u8 *cmd);
int tpm2_commit_space(struct tpm_chip *chip, struct tpm_space *space,
u32 cc, u8 *buf, size_t *bufsiz);
+
+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
+
+int tpm_bios_log_setup(struct tpm_chip *chip);
+void tpm_bios_log_teardown(struct tpm_chip *chip);
#endif
diff --git a/drivers/char/tpm/tpm1_eventlog.c b/drivers/char/tpm/tpm1_eventlog.c
index 9a8605e500b5..d6f70f365443 100644
--- a/drivers/char/tpm/tpm1_eventlog.c
+++ b/drivers/char/tpm/tpm1_eventlog.c
@@ -25,9 +25,9 @@
#include <linux/security.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/tpm_eventlog.h>
#include "tpm.h"
-#include "tpm_eventlog.h"
static const char* tcpa_event_type_strings[] = {
diff --git a/drivers/char/tpm/tpm2_eventlog.c b/drivers/char/tpm/tpm2_eventlog.c
index 34a8afa69138..1ce4411292ba 100644
--- a/drivers/char/tpm/tpm2_eventlog.c
+++ b/drivers/char/tpm/tpm2_eventlog.c
@@ -21,9 +21,9 @@
#include <linux/security.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/tpm_eventlog.h>
#include "tpm.h"
-#include "tpm_eventlog.h"
/*
* calc_tpm2_event_size() - calculate the event size, where event
diff --git a/drivers/char/tpm/tpm_acpi.c b/drivers/char/tpm/tpm_acpi.c
index 169edf3ce86d..acc990ba376a 100644
--- a/drivers/char/tpm/tpm_acpi.c
+++ b/drivers/char/tpm/tpm_acpi.c
@@ -25,9 +25,9 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/acpi.h>
+#include <linux/tpm_eventlog.h>
#include "tpm.h"
-#include "tpm_eventlog.h"
struct acpi_tcpa {
struct acpi_table_header hdr;
diff --git a/drivers/char/tpm/tpm_of.c b/drivers/char/tpm/tpm_of.c
index aadb7f464076..4a2f8c79231e 100644
--- a/drivers/char/tpm/tpm_of.c
+++ b/drivers/char/tpm/tpm_of.c
@@ -17,9 +17,9 @@
#include <linux/slab.h>
#include <linux/of.h>
+#include <linux/tpm_eventlog.h>
#include "tpm.h"
-#include "tpm_eventlog.h"
int tpm_read_log_of(struct tpm_chip *chip)
{
diff --git a/drivers/char/tpm/tpm_eventlog.h b/include/linux/tpm_eventlog.h
similarity index 77%
rename from drivers/char/tpm/tpm_eventlog.h
rename to include/linux/tpm_eventlog.h
index b4b549559203..446656d1f317 100644
--- a/drivers/char/tpm/tpm_eventlog.h
+++ b/include/linux/tpm_eventlog.h
@@ -1,6 +1,5 @@
-
-#ifndef __TPM_EVENTLOG_H__
-#define __TPM_EVENTLOG_H__
+#ifndef __LINUX_TPM_EVENTLOG_H__
+#define __LINUX_TPM_EVENTLOG_H__
#include <crypto/hash_info.h>
@@ -104,6 +103,11 @@ struct tcg_event_field {
u8 event[0];
} __packed;
+struct tpm2_digest {
+ u16 alg_id;
+ u8 digest[SHA512_DIGEST_SIZE];
+} __packed;
+
struct tcg_pcr_event2 {
u32 pcr_idx;
u32 event_type;
@@ -112,26 +116,4 @@ struct tcg_pcr_event2 {
struct tcg_event_field event;
} __packed;
-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
-
-int tpm_bios_log_setup(struct tpm_chip *chip);
-void tpm_bios_log_teardown(struct tpm_chip *chip);
-
#endif
--
2.14.1.581.gf28d330327-goog
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