From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8F385267AF5; Tue, 11 Feb 2025 23:21:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739316106; cv=none; b=FMWO2ftBjMuSIswieWqDSWZn2ZMy2FGKLbJHITruxCV2+qMITUUX/CHsq5y7ZO1UrjCz4/NXqF4aX+H8os11soEcONENX/3ljzY93/UkfGa6s99vZpRH9BDhY4h/5vwmpTf1oR9goqqtTqpMMW7e7EHcBO66g8LMZ8pmPhymqqY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739316106; c=relaxed/simple; bh=sB2itsFohXunEWga5+rM3EMf9osNj1QTEbWJbv6fN8Q=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=dOce9i6vcBdtH4c9x1hpBQ0dSg0ZkS2JIuB4sR3EkSaS/N0tVHvOQ8ybyUgAKq79ItwZAhL5lF3a6K6pMZEtE6OpK3SW5Pd8ECU4rHcsFHDT/1UtMeMd3mUb+jdu7mUNiHnPlb2wdQ55rXw1oAsypr7FF6ZvZ4Yq1DVEngojkaI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 353431D15; Tue, 11 Feb 2025 15:22:05 -0800 (PST) Received: from [10.118.111.35] (G9L3377F54.austin.arm.com [10.118.111.35]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9597D3F58B; Tue, 11 Feb 2025 15:21:43 -0800 (PST) Message-ID: Date: Tue, 11 Feb 2025 17:21:43 -0600 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/4] tpm_crb: implement driver compliant to CRB over FF-A To: Jarkko Sakkinen Cc: linux-integrity@vger.kernel.org, peterhuewe@gmx.de, jgg@ziepe.ca, sudeep.holla@arm.com, rafael@kernel.org, lenb@kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250210232227.97761-1-stuart.yoder@arm.com> <20250210232227.97761-2-stuart.yoder@arm.com> Content-Language: en-US From: Stuart Yoder In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2/11/25 3:08 PM, Jarkko Sakkinen wrote: > On Mon, Feb 10, 2025 at 05:22:24PM -0600, Stuart Yoder wrote: >> The Arm specification TPM Service CRB over FF-A specification >> defines the FF-A messages to interact with a CRB-based TPM >> implemented as an FF-A secure partition. >> >> Spec URL: >> https://developer.arm.com/documentation/den0138/latest/ >> >> This driver is probed when a TPM Secure Partition is >> discovered by the FF-A subsystem. It exposes APIs >> used by the TPM CRB driver to send notifications to >> the TPM. >> >> Signed-off-by: Stuart Yoder >> --- >> drivers/char/tpm/Kconfig | 9 ++ >> drivers/char/tpm/Makefile | 1 + >> drivers/char/tpm/ffa_crb.c | 310 +++++++++++++++++++++++++++++++++++++ >> drivers/char/tpm/ffa_crb.h | 30 ++++ > > Let's use tpm_ prefix for these. Ok, will do. Thanks, Stuart