From: Kameron Carr <kameroncarr@linux.microsoft.com>
To: catalin.marinas@arm.com, will@kernel.org, mark.rutland@arm.com
Cc: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v5 1/6] arm64: rsi: Add RSI host call structure and helper function
Date: Wed, 28 Oct 2026 17:48:23 -0700 [thread overview]
Message-ID: <c363c01d-b99b-4b87-adc1-0f706b417330@linux.microsoft.com> (raw)
In-Reply-To: <20261022074138.GA1512710@liuwe-devbox-debian-v2.local>
Hello ARM maintainers,
On 10/22/2026 12:41 AM, Wei Liu wrote:
> On Fri, Oct 02, 2026 at 02:57:20PM -0700, Kameron Carr wrote:
>> Add struct rsi_host_call to arm-smccc-rsi.h, which represents the host
>> call data structure used by the Realm Management Monitor (RMM) for the
>> RSI_HOST_CALL interface. The structure contains a 16-bit immediate field
>> and 31 general-purpose register values, aligned to 256 bytes as required
>> by the CCA RMM specification.
>>
>> Add rsi_host_call() static inline wrapper in arm-rsi-cmds.h that invokes
>> SMC_RSI_HOST_CALL with the physical address of the host call structure.
>> This will be used by Hyper-V guest code to route hypercalls through the
>> RSI interface when running inside an Arm CCA Realm.
>>
>> Reviewed-by: Michael Kelley <mhklinux@outlook.com>
>> Signed-off-by: Kameron Carr <kameroncarr@linux.microsoft.com>
>> ---
>> include/linux/arm-rsi-cmds.h | 22 ++++++++++++++++++++++
>> include/linux/arm-smccc-rsi.h | 7 +++++++
>
> ARM maintainers, I think this needs an ack from you?
>
> Wei
Do you have any issues with this patch?
--
Regards,
Kameron
next prev parent reply other threads:[~2026-10-29 0:48 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-02 21:57 [PATCH v5 0/6] arm64: hyperv: Add Realm support for Hyper-V Kameron Carr
2026-10-02 21:57 ` [PATCH v5 1/6] arm64: rsi: Add RSI host call structure and helper function Kameron Carr
2026-10-22 7:41 ` Wei Liu
2026-10-29 0:48 ` Kameron Carr [this message]
2026-10-02 21:57 ` [PATCH v5 2/6] firmware: smccc: Detect hypervisor via RSI host call in CCA Realms Kameron Carr
2026-10-02 21:57 ` [PATCH v5 3/6] arm64: hyperv: Add per-CPU RSI host call infrastructure for " Kameron Carr
2026-10-02 21:57 ` [PATCH v5 4/6] Drivers: hv: Mark shared memory as decrypted " Kameron Carr
2026-10-02 21:57 ` [PATCH v5 5/6] arm64: hyperv: Route hypercalls through RSI host call in " Kameron Carr
2026-10-02 21:57 ` [PATCH v5 6/6] arm64: hyperv: Implement hv_is_isolation_supported() for " Kameron Carr
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=c363c01d-b99b-4b87-adc1-0f706b417330@linux.microsoft.com \
--to=kameroncarr@linux.microsoft.com \
--cc=catalin.marinas@arm.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=mark.rutland@arm.com \
--cc=will@kernel.org \
/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