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: 13+ 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
2026-10-03 1:34 ` sashiko-bot
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
2026-10-03 1:34 ` sashiko-bot
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 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.