From nobody Fri Dec 19 08:06:34 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 737F4E71D40 for ; Fri, 29 Sep 2023 15:03:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233361AbjI2PDW (ORCPT ); Fri, 29 Sep 2023 11:03:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44806 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229826AbjI2PDT (ORCPT ); Fri, 29 Sep 2023 11:03:19 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 289B71A7 for ; Fri, 29 Sep 2023 08:03:16 -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 4C5CCDA7; Fri, 29 Sep 2023 08:03:54 -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 E98F73F5A1; Fri, 29 Sep 2023 08:03:14 -0700 (PDT) From: Sudeep Holla Date: Fri, 29 Sep 2023 16:02:50 +0100 Subject: [PATCH v3 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: <20230929-ffa_v1-1_notif-v3-1-c8e4f15190c8@arm.com> References: <20230929-ffa_v1-1_notif-v3-0-c8e4f15190c8@arm.com> In-Reply-To: <20230929-ffa_v1-1_notif-v3-0-c8e4f15190c8@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=3496; i=sudeep.holla@arm.com; h=from:subject:message-id; bh=iM0M4h4uY9LcS7jhU1Ni5Kw/SdOd9wlQU64B4wmmDx0=; b=owEBbQKS/ZANAwAIAQBBurwxfuKYAcsmYgBlFucupa6nu79ubQS1rGE5x6xDF2tzzi8ymkczB +9PQ0u0UjSJAjMEAAEIAB0WIQS6ceUSBvMeskPdk+EAQbq8MX7imAUCZRbnLgAKCRAAQbq8MX7i mLjEEACOITJFey81YFZaZ4P1XZfaKQl3vuVT1PteZN8+r24U0QvVP6mibtqsrCl4IdmaN7ZeoOr xxRNx4r5EnDIuJuLiHKXEl4jOmQ/Nal4jRKeXZpWy+dDikzbxmi+heZT+Mkp9PPhVpIj5XRYUf3 ToQCVjUw8W65uU8pfa+btq9MRmhiNj5Umv8tq4QqoTXmm6YSrdws7xDcWpm2V7Q0VjgWYouKGin GgAnZWoqx6Xw3rNqqtEjiPbgT1mwJykkw7aqvrJ00Bn4zMdH8iCVlIQj6jVppgcL3a5brKuMCyQ Bs5xmJE3dirLFz9V/YDPKMgQHKCdEJ6zEbO8xc+R7g6MIDAYGpUZIRz0xCQFqWpGeKLP3oZO0g7 +V3CuTyV8w9CbkylNAA4U9JRUejXay1ozQaXFx3+sAlWNKLXWaKKx1YChwuyMAFmP3yXd+J9kxH Bj75RFUQpOObva2z1SqAebRDPchCO5G+O1SK/llnjNYBTxlEsoQZGQJSiZpJWxLz0a2ALsiYyQV XhTyOCHWoOC1oMLCmCU+y3GQBbEsQn5z46OkEj4pkuZlpz1KccE+hCxvNc4mFIzqX/Q4p3kgwKA he1B8mEgOID8KJ5607k6eyvN3pV2ZWPiRSwiaNzG1G9VhZ1/XvSto3MF7DqcdeXUOt8alvTZh+r pLzgvyV8EwSxujw== 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 | 3 ++- include/linux/arm_ffa.h | 20 ++++++++++++++++++++ 2 files changed, 22 insertions(+), 1 deletion(-) diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/d= river.c index 121f4fc903cd..2b24cda2a185 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) @@ -336,7 +337,7 @@ static int ffa_mem_first_frag(u32 func_id, phys_addr_t = buf, u32 buf_sz, if (ret.a0 =3D=3D FFA_ERROR) return ffa_to_linux_errno((int)ret.a2); =20 - if (ret.a0 =3D=3D FFA_SUCCESS) { + if (ret.a0 =3D=3D FFA_SUCCESS || ret.a0 =3D=3D FFA_FN64_SUCCESS) { if (handle) *handle =3D PACK_HANDLE(ret.a2, ret.a3); } else if (ret.a0 =3D=3D FFA_MEM_FRAG_RX) { 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