All of lore.kernel.org
 help / color / mirror / Atom feed
From: Stefan Berger <stefanb@linux.ibm.com>
To: kexec@lists.infradead.org, devicetree@vger.kernel.org
Cc: nayna@linux.ibm.com, nasastry@in.ibm.com,
	Stefan Berger <stefanb@linux.ibm.com>
Subject: [PATCH 0/3] tpm: Preserve TPM measurement log across kexec
Date: Tue, 14 Jun 2022 12:12:55 -0400	[thread overview]
Message-ID: <20220614161258.1741427-1-stefanb@linux.ibm.com> (raw)

The current of-tree driver does not currently preserve the vTPM 1.2 and
vTPM 2.0 measurement log across a kexec. This series fixes this for the
kexec_file_load() syscall using the flattened device tree (fdt) to
carry the measurement log's buffer across kexec.

   Stefan

Stefan Berger (3):
  of: kexec: Refactor IMA buffer related functions to make them reusable
  tpm/kexec: Duplicate TPM measurement log in of-tree for kexec
  tpm: of: Call of_tpm_get_sml_parameters() to get base and size of log

 drivers/char/tpm/eventlog/of.c |  31 +---
 drivers/of/device.c            |  24 +++
 drivers/of/kexec.c             | 284 +++++++++++++++++++++++++++++----
 include/linux/kexec.h          |   6 +
 include/linux/of.h             |   5 +
 include/linux/of_device.h      |   3 +
 kernel/kexec_file.c            |   6 +
 7 files changed, 298 insertions(+), 61 deletions(-)

-- 
2.35.1


WARNING: multiple messages have this Message-ID (diff)
From: Stefan Berger <stefanb@linux.ibm.com>
To: kexec@lists.infradead.org, devicetree@vger.kernel.org
Cc: nayna@linux.ibm.com, nasastry@in.ibm.com,
	Stefan Berger <stefanb@linux.ibm.com>
Subject: [PATCH 0/3] tpm: Preserve TPM measurement log across kexec
Date: Tue, 14 Jun 2022 12:12:55 -0400	[thread overview]
Message-ID: <20220614161258.1741427-1-stefanb@linux.ibm.com> (raw)

The current of-tree driver does not currently preserve the vTPM 1.2 and
vTPM 2.0 measurement log across a kexec. This series fixes this for the
kexec_file_load() syscall using the flattened device tree (fdt) to
carry the measurement log's buffer across kexec.

   Stefan

Stefan Berger (3):
  of: kexec: Refactor IMA buffer related functions to make them reusable
  tpm/kexec: Duplicate TPM measurement log in of-tree for kexec
  tpm: of: Call of_tpm_get_sml_parameters() to get base and size of log

 drivers/char/tpm/eventlog/of.c |  31 +---
 drivers/of/device.c            |  24 +++
 drivers/of/kexec.c             | 284 +++++++++++++++++++++++++++++----
 include/linux/kexec.h          |   6 +
 include/linux/of.h             |   5 +
 include/linux/of_device.h      |   3 +
 kernel/kexec_file.c            |   6 +
 7 files changed, 298 insertions(+), 61 deletions(-)

-- 
2.35.1


_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec

             reply	other threads:[~2022-06-14 16:13 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-14 16:12 Stefan Berger [this message]
2022-06-14 16:12 ` [PATCH 0/3] tpm: Preserve TPM measurement log across kexec Stefan Berger
2022-06-14 16:12 ` [PATCH 1/3] of: kexec: Refactor IMA buffer related functions to make them reusable Stefan Berger
2022-06-14 16:12   ` Stefan Berger
2022-06-14 16:35   ` Nageswara R Sastry
2022-06-14 16:35     ` Nageswara R Sastry
2022-06-14 16:12 ` [PATCH 2/3] tpm/kexec: Duplicate TPM measurement log in of-tree for kexec Stefan Berger
2022-06-14 16:12   ` Stefan Berger
2022-06-14 16:46   ` Nageswara R Sastry
2022-06-14 16:46     ` Nageswara R Sastry
2022-06-14 17:48   ` Rob Herring
2022-06-14 17:48     ` Rob Herring
2022-06-15 13:08     ` Stefan Berger
2022-06-15 13:08       ` Stefan Berger
2022-06-15 20:14       ` Rob Herring
2022-06-15 20:14         ` Rob Herring
2022-06-15 21:45         ` Stefan Berger
2022-06-15 21:45           ` Stefan Berger
2022-06-15 20:18     ` Rob Herring
2022-06-15 20:18       ` Rob Herring
2022-06-14 18:58   ` kernel test robot
2022-06-14 18:58     ` kernel test robot
2022-06-15  0:54   ` kernel test robot
2022-06-15  0:54     ` kernel test robot
2022-06-15  9:42   ` kernel test robot
2022-06-15  9:42     ` kernel test robot
2022-06-14 16:12 ` [PATCH 3/3] tpm: of: Call of_tpm_get_sml_parameters() to get base and size of log Stefan Berger
2022-06-14 16:12   ` Stefan Berger
2022-06-14 16:47   ` Nageswara R Sastry
2022-06-14 16:47     ` Nageswara R Sastry
2022-06-15 21:25   ` Jarkko Sakkinen
2022-06-15 21:25     ` Jarkko Sakkinen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220614161258.1741427-1-stefanb@linux.ibm.com \
    --to=stefanb@linux.ibm.com \
    --cc=devicetree@vger.kernel.org \
    --cc=kexec@lists.infradead.org \
    --cc=nasastry@in.ibm.com \
    --cc=nayna@linux.ibm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.