From patchwork Mon Feb 17 15:38:43 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sudeep Holla X-Patchwork-Id: 13978143 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8196DC021AA for ; Mon, 17 Feb 2025 15:50:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:To:In-Reply-To:References: Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=feOWQiVTfcgj6k9SopBCC1ZQ3AfHJw5e9aA+GLfs3SQ=; b=Y3tEO8iejp+1CUEYH8BBz5KSvM oeatZpBZvChctDUCAa1avU8Evz50iScaOFxplH4yaPThaH56fDB3v/r/p8QV55oIt42JruAGQ/orG nNDVqRdFFjiOo+ww23OvYEbS2BdwA2jxmc/RTWeRFpruZ1gj5Tq1RuXUZ4FgJToVcM8myiQFSaW7z xy7XaYW/0ylISXEKPrSe/G1AD+yQxsUt8QuLiznwYOLujzVSQQE8EzSsvqrHt0o+6Akr2WCMrhwmk oIsDijWxCF/IdNCj2usJ1QdCMPeIsak3OlBhAqRw5H0iPr5zdh9cTYF2EtrrCeCtvt7ZvkLfi9Lsl cvgQ4kig==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tk3OM-000000058rG-37FP; Mon, 17 Feb 2025 15:50:42 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tk3DX-000000055Wl-1FXV for linux-arm-kernel@lists.infradead.org; Mon, 17 Feb 2025 15:39:32 +0000 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 10D8B176C; Mon, 17 Feb 2025 07:39:50 -0800 (PST) Received: from e133711.arm.com (e133711.arm.com [10.1.196.55]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 2C96B3F6A8; Mon, 17 Feb 2025 07:39:30 -0800 (PST) From: Sudeep Holla Date: Mon, 17 Feb 2025 15:38:43 +0000 Subject: [PATCH v3 02/19] firmware: arm_ffa: Replace UUID buffer to standard UUID format MIME-Version: 1.0 Message-Id: <20250217-ffa_updates-v3-2-bd1d9de615e7@arm.com> References: <20250217-ffa_updates-v3-0-bd1d9de615e7@arm.com> In-Reply-To: <20250217-ffa_updates-v3-0-bd1d9de615e7@arm.com> To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Sudeep Holla , Viresh Kumar X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1834; i=sudeep.holla@arm.com; h=from:subject:message-id; bh=41/PckYdXDOTJF8iWlnuSJNwd8OQjt77Kk+5Anq6r5U=; b=owEBbQKS/ZANAwAIAQBBurwxfuKYAcsmYgBns1gujyDHIKZMNG7950DZexKR3aYwMRvLGf/k2 G9mgUW16smJAjMEAAEIAB0WIQS6ceUSBvMeskPdk+EAQbq8MX7imAUCZ7NYLgAKCRAAQbq8MX7i mHZ/D/wNF9tM7wzyNXUygi+AGta04YEYaQ9RmT6Vh64PQoapjffroFoi2W0QDJXXUqepbb0ErNE JzO6MLjbqRP6H4Q+cWQNZ9Fl31BbbIUpwiqMTyeDir/1dkSrSQ840i9DdBaSzVmrcZPs+vJ2BFN YjTqjoUcjZgvySN61u6M2duPKrARh02IPJ9WJMadGipV6vGW/sTzX5zKBkW8noYZT7TayLrNrV4 8czN/yo359zKxTqAIcoUJTenDgEJ0ubrEBtpnvpdbwm2AOniqlqJ4nkNd9dVZn2ox/CwL8mu71V re2GamEvkh2pRLD4+/4wdzmO6uMwReOSxsfNUiR/hb069YcwVF45gpoQeyOGDWrDLfY/vb+Gzfx u5WbcDoMBQ+fkO88uM2OVn7bAw7QUNVFZZYqbRAb81GyqSgYa7yG/0Zoi5/WzzCvA6xFji0w0lA pRqsrZRRLNBe9bMp2BM+pWz658nenMeXjZ2vhciYYZgKmov7jkTO4kN/PYS8pryqZNCe0OdEN9E +FGeSUk7MVr+RpWXSefHEU1WDThFV5hHUgjXQ4db+nOFCm/dk1IUU2+P83NujIVDo4jMrragsFJ m6jNPesiCF5ho35L2AQhYY7/QyzFSSPymBMEkcrEcfzWpS8nw/woTXdnus6N6JlxkoCqEhvXTx4 +AR8N6sI/Z+ixXA== X-Developer-Key: i=sudeep.holla@arm.com; a=openpgp; fpr=7360A21742ADF5A11767C1C139CFD4755FE2D5B4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250217_073931_383206_14609182 X-CRM114-Status: GOOD ( 11.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Currently ffa_partition_info structure holds the UUID in the format compatible with the firmware interface. However, most of the functions in the FF-A core driver deals directly with uuid_t type. Replace UUID buffer to standard UUID format in the ffa_partition_info structure. Tested-by: Viresh Kumar Signed-off-by: Sudeep Holla --- drivers/firmware/arm_ffa/bus.c | 4 +--- include/linux/arm_ffa.h | 2 +- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c index 52b1f09209a0e51e321cd23a69aa7e4c4daa8dd1..a90e2faa990219574ff20b8f573dbb7ca76137d9 100644 --- a/drivers/firmware/arm_ffa/bus.c +++ b/drivers/firmware/arm_ffa/bus.c @@ -192,7 +192,6 @@ ffa_device_register(const struct ffa_partition_info *part_info, const struct ffa_ops *ops) { int id, ret; - uuid_t uuid; struct device *dev; struct ffa_device *ffa_dev; @@ -218,8 +217,7 @@ ffa_device_register(const struct ffa_partition_info *part_info, ffa_dev->vm_id = part_info->id; ffa_dev->properties = part_info->properties; ffa_dev->ops = ops; - import_uuid(&uuid, (u8 *)part_info->uuid); - uuid_copy(&ffa_dev->uuid, &uuid); + uuid_copy(&ffa_dev->uuid, &part_info->uuid); ret = device_register(&ffa_dev->dev); if (ret) { diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h index 74169dd0f65948b05991732358855cdc31b54adb..abd0208f0f74c15ef4ee4c81de81eb7800a0eb1d 100644 --- a/include/linux/arm_ffa.h +++ b/include/linux/arm_ffa.h @@ -238,7 +238,7 @@ struct ffa_partition_info { /* partition runs in the AArch64 execution state. */ #define FFA_PARTITION_AARCH64_EXEC BIT(8) u32 properties; - u32 uuid[4]; + uuid_t uuid; }; static inline