From nobody Thu Sep 11 15:04:38 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 0405BC001DB for ; Thu, 3 Aug 2023 19:02:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230316AbjHCTC1 (ORCPT ); Thu, 3 Aug 2023 15:02:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46564 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229815AbjHCTCY (ORCPT ); Thu, 3 Aug 2023 15:02:24 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 52DC21713 for ; Thu, 3 Aug 2023 12:02:23 -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 1CA1712FC; Thu, 3 Aug 2023 12:03:06 -0700 (PDT) Received: from usa.arm.com (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 016393F6C4; Thu, 3 Aug 2023 12:02:21 -0700 (PDT) From: Sudeep Holla To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Sudeep Holla , Jens Wiklander , Lucian Paul-Trifu , Marc Bonnici , Coboy Chen Subject: [PATCH RFT 01/12] firmware: arm_ffa: Update the FF-A command list with v1.1 additions Date: Thu, 3 Aug 2023 20:02:05 +0100 Message-ID: <20230803-ffa_v1-1_notif-v1-1-6613ff2b1f81@arm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230803-ffa_v1-1_notif-v1-0-6613ff2b1f81@arm.com> References: <20230803-ffa_v1-1_notif-v1-0-6613ff2b1f81@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=GTz0RHnY4ME8Vwfxd5lhNhdlXiDZdoMtSl5u+RRQtgo=; b=owEBbQKS/ZANAwAIAQBBurwxfuKYAcsmYgBky/iMR9I11NYSDHMyCEPHaAUMvwOSSTOS7je6F o6puaIHPz6JAjMEAAEIAB0WIQS6ceUSBvMeskPdk+EAQbq8MX7imAUCZMv4jAAKCRAAQbq8MX7i mHxxD/wNe71c1PxA5+6LmfU5hH8EMwEUYcgVa+U1KoYRwj1O8FAJwOe1oBGA+qxoczHsrn96Ers 1MHizvhCClNrakDY2X4BDvCgzefy7XqSaLhDRfR9b5BErtsG0zd4Vse/Df3iOOO5mSofYCmGpZb sWgNk9sSK7aVkoC1yijjrdnj6QGj+i8tjoItmef8Rg0yABf4z+Cf46ZvC/brnJZHjVVlQ3lM5p6 I2AXL2IYo8afQAsKp6qLY5S6nwijlkVq4x0+nFiWaoufKqAsubWhyxrzHRxLL76R3Q7vj2rEXqq 0FkFABffP+yL4cXldJxunTFiB1qj9vThJM/1ctQDpyqFbjGaz9wP/DEfUyUU8GTGDVjzsjpGdAe EMQsEdbQtBKSzHUA5Z7V7On5GV6dl21XK/E4CykL18Gl1n9ld4bW1Sx+9OKKM52ALfuxVAuRBmw 94KBmzG7G2hKrLFkC3w3tT5zOJgC9ZKIMKZGRuhdGqnA1aDtpRmppdEETW5xwroBpmyFwE094le e2mMPYYi8fkcE6bWAZVx+awnIbeZ2W4XAQbjMjzysyx7QnAf5OrDaGBfHqNKZ1NM09gb5U5Bd3I FWTbMY/fkYHlp9LTx+nrexyyeSXH2jdAGg4R4dBmWXlsOBwAwCc4cKqkQ4DyanQnTcquYvXpUYI kZTC358t fmlxKdw== X-Developer-Key: i=sudeep.holla@arm.com; a=openpgp; fpr=7360A21742ADF5A11767C1C139CFD4755FE2D5B4 Content-Transfer-Encoding: quoted-printable 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 2109cd178ff7..6fc83fa6b81c 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 2.41.0