linux-kernel - Re: [PATCH v4 6/6] s390/uv: Update query for secret-UVCs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <e2b8d63e-06ff-bbd7-b76d-e358a9a8533e@linux.ibm.com>
Date:   Wed, 7 Jun 2023 14:32:50 +0200
From:   Janosch Frank <frankja@...ux.ibm.com>
To:     Steffen Eiden <seiden@...ux.ibm.com>, kvm@...r.kernel.org,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        Viktor Mihajlovski <mihajlov@...ux.ibm.com>
Cc:     Claudio Imbrenda <imbrenda@...ux.ibm.com>,
        Nico Boehr <nrb@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Hendrik Brueckner <brueckner@...ux.ibm.com>
Subject: Re: [PATCH v4 6/6] s390/uv: Update query for secret-UVCs

On 6/6/23 20:08, Steffen Eiden wrote:
> Update the query struct such that secret-UVC related
> information can be parsed.
> Add sysfs files for these new values.
> 
> 'supp_add_secret_req_ver' notes the supported versions for the
> Add Secret UVC. Bit 0 indicates that version 0x100 is supported,
> bit 1 indicates 0x200, and so on.
> 
> 'supp_add_secret_pcf' notes the supported plaintext flags for
> the Add Secret UVC.
> 
> 'supp_secret_types' notes the supported types of secrets.
> Bit 0 indicates secret type 1, bit 1 indicates type 2, and so on.
> 
> 'max_secrets' notes the maximum amount of secrets the secret store can
> store per pv guest.
> 
> Signed-off-by: Steffen Eiden <seiden@...ux.ibm.com>
> ---
>   arch/s390/boot/uv.c        |  4 ++++
>   arch/s390/include/asm/uv.h | 13 +++++++++++--
>   arch/s390/kernel/uv.c      | 40 ++++++++++++++++++++++++++++++++++++++
>   3 files changed, 55 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/s390/boot/uv.c b/arch/s390/boot/uv.c
> index 0a077c0a2056..cdffc395f1cd 100644
> --- a/arch/s390/boot/uv.c
> +++ b/arch/s390/boot/uv.c
> @@ -47,6 +47,10 @@ void uv_query_info(void)
>   		uv_info.conf_dump_finalize_len = uvcb.conf_dump_finalize_len;
>   		uv_info.supp_att_req_hdr_ver = uvcb.supp_att_req_hdr_ver;
>   		uv_info.supp_att_pflags = uvcb.supp_att_pflags;
> +		uv_info.supp_add_secret_req_ver = uvcb.supp_add_secret_req_ver;
> +		uv_info.supp_add_secret_pcf = uvcb.supp_add_secret_pcf;
> +		uv_info.supp_secret_types = uvcb.supp_secret_types;
> +		uv_info.max_secrets = uvcb.max_secrets

Apart from this:
Reviewed-by: Janosch Frank <frankja@...ux.ibm.com>

But we can add the ";" when picking.