From: Catalin Marinas <catalin.marinas@arm.com>
To: Kameron Carr <kameroncarr@linux.microsoft.com>
Cc: haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com,
mhklinux@outlook.com, will@kernel.org, mark.rutland@arm.com,
lpieralisi@kernel.org, sudeep.holla@kernel.org, arnd@arndb.de,
thuth@redhat.com, linux-hyperv@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org
Subject: Re: [PATCH v5 1/6] arm64: rsi: Add RSI host call structure and helper function
Date: Thu, 29 Oct 2026 22:55:02 +0000 [thread overview]
Message-ID: <auPOxoaRbdOEHnv_@arm.com> (raw)
In-Reply-To: <20261002215725.2015959-2-kameroncarr@linux.microsoft.com>
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>
This looks fine.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
next prev parent reply other threads:[~2026-10-29 22:55 UTC|newest]
Thread overview: 11+ 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
2026-10-29 22:55 ` Catalin Marinas [this message]
2026-10-02 21:57 ` [PATCH v5 2/6] firmware: smccc: Detect hypervisor via RSI host call in CCA Realms Kameron Carr
2026-10-29 22:54 ` Catalin Marinas
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=auPOxoaRbdOEHnv_@arm.com \
--to=catalin.marinas@arm.com \
--cc=arnd@arndb.de \
--cc=decui@microsoft.com \
--cc=haiyangz@microsoft.com \
--cc=kameroncarr@linux.microsoft.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-hyperv@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lpieralisi@kernel.org \
--cc=mark.rutland@arm.com \
--cc=mhklinux@outlook.com \
--cc=sudeep.holla@kernel.org \
--cc=thuth@redhat.com \
--cc=wei.liu@kernel.org \
--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