linux-kernel - [GRUB PATCH RFC 07/18] i386/tpm: Rename tpm module to tpm

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Date:   Tue,  5 May 2020 01:21:21 +0200
From:   Daniel Kiper <daniel.kiper@...cle.com>
To:     grub-devel@....org, linux-kernel@...r.kernel.org,
        trenchboot-devel@...glegroups.com, x86@...nel.org
Cc:     alexander.burmashev@...cle.com, andrew.cooper3@...rix.com,
        ard.biesheuvel@...aro.org, dpsmith@...rtussolutions.com,
        eric.snowberg@...cle.com, javierm@...hat.com,
        kanth.ghatraju@...cle.com, konrad.wilk@...cle.com,
        krystian.hebel@...eb.com, lukasz.hawrylko@...ux.intel.com,
        michal.zygowski@...eb.com, mjg59@...gle.com, phcoder@...il.com,
        pirot.krol@...eb.com, pjones@...hat.com, ross.philipson@...cle.com
Subject: [GRUB PATCH RFC 07/18] i386/tpm: Rename tpm module to tpm_verifier

..to avoid naming collision with TPM TIS and CRB driver introduced
by subsequent patch.

Signed-off-by: Daniel Kiper <daniel.kiper@...cle.com>
---
 docs/grub.texi                               | 15 ++++++++-------
 grub-core/Makefile.core.def                  |  4 ++--
 grub-core/commands/{tpm.c => tpm_verifier.c} |  6 +++---
 3 files changed, 13 insertions(+), 12 deletions(-)
 rename grub-core/commands/{tpm.c => tpm_verifier.c} (96%)

diff --git a/docs/grub.texi b/docs/grub.texi
index d6408d242..395431bce 100644
--- a/docs/grub.texi
+++ b/docs/grub.texi
@@ -5940,10 +5940,10 @@ it cannot be unloaded if it was loaded into the memory.
 @node Measured Boot
 @section Measuring boot components
 
-If the tpm module is loaded and the platform has a Trusted Platform Module
-installed, GRUB will log each command executed and each file loaded into the
-TPM event log and extend the PCR values in the TPM correspondingly. All events
-will be logged into the PCR described below with a type of EV_IPL and an
+If the tpm_verifier module is loaded and the platform has a Trusted Platform
+Module installed, GRUB will log each command executed and each file loaded into
+the TPM event log and extend the PCR values in the TPM correspondingly. All
+events will be logged into the PCR described below with a type of EV_IPL and an
 event description as described below.
 
 @multitable @columnfractions 0.3 0.1 0.6
@@ -5968,9 +5968,10 @@ corresponding to the filename.
 
 GRUB will not measure its own @file{core.img} - it is expected that firmware
 will carry this out. GRUB will also not perform any measurements until the
-tpm module is loaded. As such it is recommended that the tpm module be built
-into @file{core.img} in order to avoid a potential gap in measurement between
-@...e{core.img} being loaded and the tpm module being loaded.
+tpm_verifier module is loaded. As such it is recommended that the tpm_verifier
+module be built into @file{core.img} in order to avoid a potential gap in
+measurement between @file{core.img} being loaded and the tpm_verifier module
+being loaded.
 
 Measured boot is currently only supported on EFI platforms.
 
diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
index 48b82e763..b74a34f0c 100644
--- a/grub-core/Makefile.core.def
+++ b/grub-core/Makefile.core.def
@@ -2497,8 +2497,8 @@ module = {
 };
 
 module = {
-  name = tpm;
-  common = commands/tpm.c;
+  name = tpm_verifier;
+  common = commands/tpm_verifier.c;
   efi = commands/efi/tpm.c;
   enable = x86_64_efi;
 };
diff --git a/grub-core/commands/tpm.c b/grub-core/commands/tpm_verifier.c
similarity index 96%
rename from grub-core/commands/tpm.c
rename to grub-core/commands/tpm_verifier.c
index 1441c494d..6fff17720 100644
--- a/grub-core/commands/tpm.c
+++ b/grub-core/commands/tpm_verifier.c
@@ -85,18 +85,18 @@ grub_tpm_verify_string (char *str, enum grub_verify_string_type type)
 }
 
 struct grub_file_verifier grub_tpm_verifier = {
-  .name = "tpm",
+  .name = "tpm_verifier",
   .init = grub_tpm_verify_init,
   .write = grub_tpm_verify_write,
   .verify_string = grub_tpm_verify_string,
 };
 
-GRUB_MOD_INIT (tpm)
+GRUB_MOD_INIT (tpm_verifier)
 {
   grub_verifier_register (&grub_tpm_verifier);
 }
 
-GRUB_MOD_FINI (tpm)
+GRUB_MOD_FINI (tpm_verifier)
 {
   grub_verifier_unregister (&grub_tpm_verifier);
 }
-- 
2.11.0