From nobody Fri Dec 19 13:55:45 2025 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 998302206B6 for ; Mon, 17 Feb 2025 15:39:31 +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=1739806773; cv=none; b=DGnmso/mA/PT9QUxjan9KERyArV1IKD3ZF3DLfQIFv04jFlc4AbhzYmQZpY2cizco2kcJI/qTgWiMVn+uahRYaBzVAO88NsKvW2/xm/V5UgQx7oAxEE4E4oHHAWGVdrJalRZauD7sgGkM8dO+P6DhvV8y2ok6JWNtlXs6C2CGBs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739806773; c=relaxed/simple; bh=41/PckYdXDOTJF8iWlnuSJNwd8OQjt77Kk+5Anq6r5U=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To; b=juIOAI7VKh8qHqhQGvkaGPqwyzCqzoywYhZToRioJGvNA8o+22vXa8KSX8azsg5RqPvnnXoK1J71+GyYs6pyREtVAktKhwc/CgFHi0xESzShlE06EGHHU0gMfUNuLsf6ufkHd1RAA2BEBKFJ5vnIaOaOseItVdix67DO6Zpar8A= 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 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 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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 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..a90e2faa990219574ff20b8f573= dbb7ca76137d9 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 *pa= rt_info, const struct ffa_ops *ops) { int id, ret; - uuid_t uuid; struct device *dev; struct ffa_device *ffa_dev; =20 @@ -218,8 +217,7 @@ ffa_device_register(const struct ffa_partition_info *pa= rt_info, ffa_dev->vm_id =3D part_info->id; ffa_dev->properties =3D part_info->properties; ffa_dev->ops =3D ops; - import_uuid(&uuid, (u8 *)part_info->uuid); - uuid_copy(&ffa_dev->uuid, &uuid); + uuid_copy(&ffa_dev->uuid, &part_info->uuid); =20 ret =3D device_register(&ffa_dev->dev); if (ret) { diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h index 74169dd0f65948b05991732358855cdc31b54adb..abd0208f0f74c15ef4ee4c81de8= 1eb7800a0eb1d 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; }; =20 static inline --=20 2.34.1