From: "Nicholas Piggin" <npiggin@gmail.com>
To: "Andrew Donnellan" <ajd@linux.ibm.com>,
<linuxppc-dev@lists.ozlabs.org>,
<linux-integrity@vger.kernel.org>
Cc: gjoyce@linux.ibm.com, erichte@linux.ibm.com,
gregkh@linuxfoundation.org, nayna@linux.ibm.com,
linux-kernel@vger.kernel.org, zohar@linux.ibm.com,
sudhakar@linux.ibm.com, bgray@linux.ibm.com,
gcwilson@linux.ibm.com
Subject: Re: [PATCH v3 16/24] powerpc/pseries: Implement signed update for PLPKS objects
Date: Thu, 19 Jan 2023 11:12:57 +1000 [thread overview]
Message-ID: <CPVRNHVV9L6U.34DQEC4B6NB51@bobo> (raw)
In-Reply-To: <20230118061049.1006141-17-ajd@linux.ibm.com>
On Wed Jan 18, 2023 at 4:10 PM AEST, Andrew Donnellan wrote:
> From: Nayna Jain <nayna@linux.ibm.com>
>
> The Platform Keystore provides a signed update interface which can be used
> to create, replace or append to certain variables in the PKS in a secure
> fashion, with the hypervisor requiring that the update be signed using the
> Platform Key.
>
> Implement an interface to the H_PKS_SIGNED_UPDATE hcall in the plpks
> driver to allow signed updates to PKS objects.
>
> (The plpks driver doesn't need to do any cryptography or otherwise handle
> the actual signed variable contents - that will be handled by userspace
> tooling.)
>
> Signed-off-by: Nayna Jain <nayna@linux.ibm.com>
> [ajd: split patch, add timeout handling and misc cleanups]
> Co-developed-by: Andrew Donnellan <ajd@linux.ibm.com>
> Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com>
> Signed-off-by: Russell Currey <ruscur@russell.cc>
>
> ---
>
> v3: Merge plpks fixes and signed update series with secvar series
>
> Fix error code handling in plpks_confirm_object_flushed() (ruscur)
>
> Pass plpks_var struct to plpks_signed_update_var() by reference (mpe)
>
> Consistent constant naming scheme (ruscur)
> ---
> arch/powerpc/include/asm/hvcall.h | 3 +-
> arch/powerpc/include/asm/plpks.h | 5 ++
> arch/powerpc/platforms/pseries/plpks.c | 71 ++++++++++++++++++++++++--
> 3 files changed, 73 insertions(+), 6 deletions(-)
>
> diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
> index 95fd7f9485d5..33b26c0cb69b 100644
> --- a/arch/powerpc/include/asm/hvcall.h
> +++ b/arch/powerpc/include/asm/hvcall.h
> @@ -336,7 +336,8 @@
> #define H_SCM_FLUSH 0x44C
> #define H_GET_ENERGY_SCALE_INFO 0x450
> #define H_WATCHDOG 0x45C
> -#define MAX_HCALL_OPCODE H_WATCHDOG
> +#define H_PKS_SIGNED_UPDATE 0x454
> +#define MAX_HCALL_OPCODE H_PKS_SIGNED_UPDATE
^ Bad rebase.
Thanks,
Nick
next prev parent reply other threads:[~2023-01-19 1:14 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-18 6:10 [PATCH v3 00/24] pSeries dynamic secure boot secvar interface + platform keyring loading Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 01/24] powerpc/secvar: Use u64 in secvar_operations Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 02/24] powerpc/secvar: WARN_ON_ONCE() if multiple secvar ops are set Andrew Donnellan
2023-01-19 0:59 ` Nicholas Piggin
2023-01-18 6:10 ` [PATCH v3 03/24] powerpc/secvar: Use sysfs_emit() instead of sprintf() Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 04/24] powerpc/secvar: Handle format string in the consumer Andrew Donnellan
2023-01-19 1:02 ` Nicholas Piggin
2023-01-19 1:17 ` Nicholas Piggin
2023-01-20 0:51 ` Russell Currey
2023-01-18 6:10 ` [PATCH v3 05/24] powerpc/secvar: Handle max object size " Andrew Donnellan
2023-01-19 21:18 ` Greg Joyce
2023-01-18 6:10 ` [PATCH v3 06/24] powerpc/secvar: Clean up init error messages Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 07/24] powerpc/secvar: Extend sysfs to include config vars Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 08/24] powerpc/secvar: Allow backend to populate static list of variable names Andrew Donnellan
2023-01-19 1:10 ` Nicholas Piggin
2023-01-20 6:20 ` Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 09/24] powerpc/secvar: Warn when PAGE_SIZE is smaller than max object size Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 10/24] powerpc/secvar: Don't print error on ENOENT when reading variables Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 11/24] powerpc/pseries: Move plpks.h to include directory Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 12/24] powerpc/pseries: Move PLPKS constants to header file Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 13/24] powerpc/pseries: Fix handling of PLPKS object flushing timeout Andrew Donnellan
2023-01-19 1:15 ` Nicholas Piggin
2023-01-18 6:10 ` [PATCH v3 14/24] powerpc/pseries: Fix alignment of PLPKS structures and buffers Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 15/24] powerpc/pseries: Expose PLPKS config values, support additional fields Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 16/24] powerpc/pseries: Implement signed update for PLPKS objects Andrew Donnellan
2023-01-19 1:12 ` Nicholas Piggin [this message]
2023-01-18 6:10 ` [PATCH v3 17/24] powerpc/pseries: Log hcall return codes for PLPKS debug Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 18/24] powerpc/pseries: Make caller pass buffer to plpks_read_var() Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 19/24] powerpc/pseries: Turn PSERIES_PLPKS into a hidden option Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 20/24] powerpc/pseries: Add helpers to get PLPKS password Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 21/24] powerpc/pseries: Pass PLPKS password on kexec Andrew Donnellan
2023-01-18 11:52 ` Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 22/24] powerpc/pseries: Implement secvars for dynamic secure boot Andrew Donnellan
2023-01-18 13:06 ` Stefan Berger
2023-01-18 6:10 ` [PATCH v3 23/24] integrity/powerpc: Improve error handling & reporting when loading certs Andrew Donnellan
2023-01-18 6:10 ` [PATCH v3 24/24] integrity/powerpc: Support loading keys from pseries secvar Andrew Donnellan
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=CPVRNHVV9L6U.34DQEC4B6NB51@bobo \
--to=npiggin@gmail.com \
--cc=ajd@linux.ibm.com \
--cc=bgray@linux.ibm.com \
--cc=erichte@linux.ibm.com \
--cc=gcwilson@linux.ibm.com \
--cc=gjoyce@linux.ibm.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-integrity@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=nayna@linux.ibm.com \
--cc=sudhakar@linux.ibm.com \
--cc=zohar@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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).