From: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
To: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: kvm@vger.kernel.org, kvmarm@lists.linux.dev, maz@kernel.org,
will@kernel.org, catalin.marinas@arm.com,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, steven.price@arm.com,
aneesh.kumar@kernel.org, oupton@kernel.org, gshan@redhat.com,
joey.gouly@arm.com, tabba@google.com, yuzenghui@huawei.com,
linux-coco@lists.linux.dev, gankulkarni@os.amperecomputing.com,
sdonthineni@nvidia.com, alpergun@google.com,
fj0570is@fujitsu.com, WeiLin.Chang@arm.com,
lpieralisi@kernel.org, enju.kohei@fujitsu.com,
sudeep.holla@arm.com
Subject: Re: [PATCH v19 2/7] firmware: arm_rmm: Check for RMI support at init
Date: Thu, 24 Sep 2026 09:58:46 -0700 [thread overview]
Message-ID: <20260924095846.000051f3@oss.qualcomm.com> (raw)
In-Reply-To: <20260924135201.850038-3-suzuki.poulose@arm.com>
On Thu, 24 Sep 2026 14:51:56 +0100
Suzuki K Poulose <suzuki.poulose@arm.com> wrote:
> From: Steven Price <steven.price@arm.com>
>
> Query the RMI version number and check if it is a compatible version.
> The first two feature registers are read and exposed for future code to
> use.
>
> We only support this for Little Endian kernels, the Big Endian kernel
> support is anyway marked BROKEN and is being removed.
>
> Signed-off-by: Steven Price <steven.price@arm.com>
> Co-developed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
next prev parent reply other threads:[~2026-09-24 16:58 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-24 13:51 [PATCH v19 0/7] firmware: arm_rmm: Add RMM v2.0 base RMI support Suzuki K Poulose
2026-09-24 13:51 ` [PATCH v19 1/7] firmware: arm_rmm: Add SMC definitions for calling the RMM Suzuki K Poulose
2026-09-24 16:57 ` Jonathan Cameron
2026-09-24 17:05 ` Ackerley Tng
2026-09-24 13:51 ` [PATCH v19 2/7] firmware: arm_rmm: Check for RMI support at init Suzuki K Poulose
2026-09-24 16:58 ` Jonathan Cameron [this message]
2026-09-24 13:51 ` [PATCH v19 3/7] firmware: arm_rmm: Configure the RMM with the host's page size Suzuki K Poulose
2026-09-24 17:03 ` Jonathan Cameron
2026-09-24 13:51 ` [PATCH v19 4/7] firmware: arm_rmm: Add support for SRO Suzuki K Poulose
2026-09-24 19:13 ` Jonathan Cameron
2026-09-24 13:51 ` [PATCH v19 5/7] firmware: arm_rmm: Activate the RMM Suzuki K Poulose
2026-09-24 13:52 ` [PATCH v19 6/7] firmware: arm_rmm: Ensure the RMM has GPT entries for memory Suzuki K Poulose
2026-09-24 13:52 ` [PATCH v19 7/7] firmware: arm_rmm: Add wrappers for Realm related RMI commands Suzuki K Poulose
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