From: Will Deacon <will@kernel.org>
To: Steven Price <steven.price@arm.com>
Cc: kvm@vger.kernel.org, kvmarm@lists.linux.dev,
Catalin Marinas <catalin.marinas@arm.com>,
Marc Zyngier <maz@kernel.org>, James Morse <james.morse@arm.com>,
Oliver Upton <oliver.upton@linux.dev>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Joey Gouly <joey.gouly@arm.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
Christoffer Dall <christoffer.dall@arm.com>,
Fuad Tabba <tabba@google.com>,
linux-coco@lists.linux.dev,
Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>,
Gavin Shan <gshan@redhat.com>,
Shanker Donthineni <sdonthineni@nvidia.com>,
Alper Gun <alpergun@google.com>,
"Aneesh Kumar K . V" <aneesh.kumar@kernel.org>,
Emi Kisanuki <fj0570is@fujitsu.com>,
Vishal Annapurve <vannapurve@google.com>,
WeiLin.Chang@arm.com, Lorenzo Pieralisi <lpieralisi@kernel.org>
Subject: Re: [PATCH 2/6] firmware: arm_rmm: Add wrappers for direct RMI calls
Date: Thu, 6 Aug 2026 12:53:41 +0100 [thread overview]
Message-ID: <anR1xZrKkrsJhrGe@willie-the-truck> (raw)
In-Reply-To: <20260715142739.80398-3-steven.price@arm.com>
On Wed, Jul 15, 2026 at 03:27:33PM +0100, Steven Price wrote:
> The wrappers make the call sites easier to read and deal with the
> boilerplate of handling the error codes from the RMM.
>
> Signed-off-by: Steven Price <steven.price@arm.com>
> ---
> Changes from v14:
> * Update to RMM v2.0-bet2 spec.
> * Move SRO related wrappers to a later patch due to dependencies.
> * Common wrappers are split into include/linux/arm-rmi-cmds.h.
> Changes from v13:
> * Update to RMM v2.0-bet1 spec including some SRO support (there still
> some FIXMEs where SRO support is incomplete).
> Changes from v12:
> * Update to RMM v2.0 specification
> Changes from v8:
> * Switch from arm_smccc_1_2_smc() to arm_smccc_1_2_invoke() in
> rmi_rtt_read_entry() for consistency.
> Changes from v7:
> * Minor renaming of parameters and updated comments
> Changes from v5:
> * Further improve comments
> Changes from v4:
> * Improve comments
> Changes from v2:
> * Make output arguments optional.
> * Mask RIPAS value rmi_rtt_read_entry()
> * Drop unused rmi_rtt_get_phys()
> ---
> arch/arm64/include/asm/rmi_cmds.h | 67 +++++++++++++++++++++++
This doesn't need to be in the arch code. Please work with Aneesh to put
this somewhere else.
Will
next prev parent reply other threads:[~2026-08-06 11:54 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-15 14:27 [PATCH 0/6] firmware: arm_rmm: Add RMM v2.0 support Steven Price
2026-07-15 14:27 ` [PATCH 1/6] firmware: arm_rmm: Add SMC definitions for calling the RMM Steven Price
2026-07-23 7:11 ` Kohei Enju
2026-07-29 16:02 ` Steven Price
2026-07-15 14:27 ` [PATCH 2/6] firmware: arm_rmm: Add wrappers for direct RMI calls Steven Price
2026-08-06 11:53 ` Will Deacon [this message]
2026-08-17 14:56 ` Steven Price
2026-07-15 14:27 ` [PATCH 3/6] firmware: arm_rmm: Check for RMI support at init Steven Price
2026-07-31 10:46 ` Suzuki K Poulose
2026-07-15 14:27 ` [PATCH 4/6] firmware: arm_rmm: Configure the RMM with the host's page size Steven Price
2026-07-31 13:21 ` Suzuki K Poulose
2026-07-15 14:27 ` [PATCH 5/6] firmware: arm_rmm: Add support for SRO Steven Price
2026-07-31 18:25 ` Suzuki K Poulose
2026-07-15 14:27 ` [PATCH 6/6] firmware: arm_rmm: Ensure the RMM has GPT entries for memory Steven Price
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