From nobody Fri Dec 19 09:45:07 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F5F7E9270B for ; Thu, 5 Oct 2023 15:19:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231620AbjJEPTq (ORCPT ); Thu, 5 Oct 2023 11:19:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58156 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232999AbjJEPTD (ORCPT ); Thu, 5 Oct 2023 11:19:03 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 9C32A3850 for ; Thu, 5 Oct 2023 07:45:10 -0700 (PDT) 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 B3951DA7; Thu, 5 Oct 2023 07:45:48 -0700 (PDT) Received: from e103737-lin.cambridge.arm.com (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 099FA3F641; Thu, 5 Oct 2023 07:45:08 -0700 (PDT) From: Sudeep Holla Date: Thu, 05 Oct 2023 15:44:54 +0100 Subject: [PATCH v4 01/17] firmware: arm_ffa: Update the FF-A command list with v1.1 additions MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20231005-ffa_v1-1_notif-v4-1-cddd3237809c@arm.com> References: <20231005-ffa_v1-1_notif-v4-0-cddd3237809c@arm.com> In-Reply-To: <20231005-ffa_v1-1_notif-v4-0-cddd3237809c@arm.com> To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Sudeep Holla , Marc Bonnici , Jens Wiklander , Coboy Chen , Lorenzo Pieralisi , Olivier Deprez X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=3114; i=sudeep.holla@arm.com; h=from:subject:message-id; bh=278KahauozE45XUUmHl11QnvUebKx7Dm6zTUaEvv3Cs=; b=owEBbQKS/ZANAwAIAQBBurwxfuKYAcsmYgBlHsvwExh2e02foBJMzeMrAazRi+haUyLVwCFry sj7SSL7VMWJAjMEAAEIAB0WIQS6ceUSBvMeskPdk+EAQbq8MX7imAUCZR7L8AAKCRAAQbq8MX7i mMeED/4pLumUe+LTTAquMVWC2OYtNXXQuLnLgaiSrgDLjpPeCYpasHYXpdF6zFoqoExrlcgrGFp gkByGXQSVkqoDUz4nilUhFkxHbVuLqyZ1z604MEe5xJkUDd1OXodi/gP53BfHKU81GzddyzHey0 JaICJRZqPdChQV2sOXbwraD9LffsenQCB6tbu2GvZ6b+b/QENbErv+gIw8dOj0X9yitqJOmTPge 3JVsxo8alTbZl6Z9Mn8JOQxt1JsLw4BsNCnShWXR+tBKX2wIpIEUXyx1ItzApPqbMiqFc8GZZEn ZLcY7qwpDU6FvfrSf41pTpc/Ql+iSosMdup7Z5Qe1FUVMgpWtR7F9dFQ/+XmOYaQibkyygUhJOa cXl5DCthQ6kGxbrtABxpDNfC/B7uE71gLxpQjwAr4bkOxPcVvYg8S5ndxlBvWBrbiqCNQ1nEMSG trn/8ofng02cTJqQyrlLS0vYF0Mwl3HfaivO7n0S/BgGQR1KeKNR38IaDKS/G22sYGUyE0bBLwT Yj515gl2lFlLYCEebRc9VcUhQuI+FSgfXDAG0CwPY/2kglmaHfAO2HeZS+gFz9OFhRrE/R451Hm oym3CG+WkD0iSxY87/WZq3VWdUogn2+F0W2WOfMfHQyXV+I/R4pLrOaret/D2Zh+1sevtSxVQMA hJPBFpxiyt0IUbQ== X-Developer-Key: i=sudeep.holla@arm.com; a=openpgp; fpr=7360A21742ADF5A11767C1C139CFD4755FE2D5B4 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Arm Firmware Framework for A-profile(FFA) v1.1 introduces notifications and indirect messaging based upon notifications support and extends some of the memory interfaces. Let us add all the newly supported FF-A function IDs in the spec. Also update to the error values and associated handling. Signed-off-by: Sudeep Holla --- drivers/firmware/arm_ffa/driver.c | 1 + include/linux/arm_ffa.h | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/d= river.c index 7cd6b1564e80..a64512388ea5 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -64,6 +64,7 @@ static const int ffa_linux_errmap[] =3D { -EACCES, /* FFA_RET_DENIED */ -EAGAIN, /* FFA_RET_RETRY */ -ECANCELED, /* FFA_RET_ABORTED */ + -ENODATA, /* FFA_RET_NO_DATA */ }; =20 static inline int ffa_to_linux_errno(int errno) diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h index cc060da51bec..2ea1717a0825 100644 --- a/include/linux/arm_ffa.h +++ b/include/linux/arm_ffa.h @@ -20,6 +20,7 @@ =20 #define FFA_ERROR FFA_SMC_32(0x60) #define FFA_SUCCESS FFA_SMC_32(0x61) +#define FFA_FN64_SUCCESS FFA_SMC_64(0x61) #define FFA_INTERRUPT FFA_SMC_32(0x62) #define FFA_VERSION FFA_SMC_32(0x63) #define FFA_FEATURES FFA_SMC_32(0x64) @@ -54,6 +55,23 @@ #define FFA_MEM_FRAG_RX FFA_SMC_32(0x7A) #define FFA_MEM_FRAG_TX FFA_SMC_32(0x7B) #define FFA_NORMAL_WORLD_RESUME FFA_SMC_32(0x7C) +#define FFA_NOTIFICATION_BITMAP_CREATE FFA_SMC_32(0x7D) +#define FFA_NOTIFICATION_BITMAP_DESTROY FFA_SMC_32(0x7E) +#define FFA_NOTIFICATION_BIND FFA_SMC_32(0x7F) +#define FFA_NOTIFICATION_UNBIND FFA_SMC_32(0x80) +#define FFA_NOTIFICATION_SET FFA_SMC_32(0x81) +#define FFA_NOTIFICATION_GET FFA_SMC_32(0x82) +#define FFA_NOTIFICATION_INFO_GET FFA_SMC_32(0x83) +#define FFA_FN64_NOTIFICATION_INFO_GET FFA_SMC_64(0x83) +#define FFA_RX_ACQUIRE FFA_SMC_32(0x84) +#define FFA_SPM_ID_GET FFA_SMC_32(0x85) +#define FFA_MSG_SEND2 FFA_SMC_32(0x86) +#define FFA_SECONDARY_EP_REGISTER FFA_SMC_32(0x87) +#define FFA_FN64_SECONDARY_EP_REGISTER FFA_SMC_64(0x87) +#define FFA_MEM_PERM_GET FFA_SMC_32(0x88) +#define FFA_FN64_MEM_PERM_GET FFA_SMC_64(0x88) +#define FFA_MEM_PERM_SET FFA_SMC_32(0x89) +#define FFA_FN64_MEM_PERM_SET FFA_SMC_64(0x89) =20 /* * For some calls it is necessary to use SMC64 to pass or return 64-bit va= lues. @@ -76,6 +94,7 @@ #define FFA_RET_DENIED (-6) #define FFA_RET_RETRY (-7) #define FFA_RET_ABORTED (-8) +#define FFA_RET_NO_DATA (-9) =20 /* FFA version encoding */ #define FFA_MAJOR_VERSION_MASK GENMASK(30, 16) @@ -86,6 +105,7 @@ (FIELD_PREP(FFA_MAJOR_VERSION_MASK, (major)) | \ FIELD_PREP(FFA_MINOR_VERSION_MASK, (minor))) #define FFA_VERSION_1_0 FFA_PACK_VERSION_INFO(1, 0) +#define FFA_VERSION_1_1 FFA_PACK_VERSION_INFO(1, 1) =20 /** * FF-A specification mentions explicitly about '4K pages'. This should --=20 2.42.0