From patchwork Fri Sep 29 15:02:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sudeep Holla X-Patchwork-Id: 13404500 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 1C639E71D40 for ; Fri, 29 Sep 2023 15:03:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:In-Reply-To:References:Message-Id: 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=e+6U2rcuoaD9NCYVcauQUH/Nc3xIAXN/vt3bIGtGn/w=; b=Ve2qD90nWu0CWp h9MUBPMIHc6+ALagJGVQDJFttD/m+zniI4AgjHVE7LbT/OU2s9b0uoL9vJSq8vsYj/7G8ggLcII/T TbDZhfiM0DZdpp6FpS6Q43hGcHOYbPcaDl3JljBkgFA9zTYP+MVY16Zin8kOiW3QhEcgVBUIe+5O0 Fd1cGiGGUwwyu6cTpDgHJtKTiAZJu0zHM4boSbOptIsO6Vx1TFUDWkoO0JQVyju50JGggwiMO1LKL cQhRKzYY/Vv3DIsjWmKaLxj1sHmib+eeUVev3MIAW3z4sfrZ0EOeWcCUXACdq2nZxC92PxIR9ZeuA pCwchE65p6z5SCtP2JjA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qmF1U-0088DX-0J; Fri, 29 Sep 2023 15:03:20 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qmF1R-0088CD-2y for linux-arm-kernel@lists.infradead.org; Fri, 29 Sep 2023 15:03:19 +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 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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230929_080318_049340_6C0D799B X-CRM114-Status: GOOD ( 13.39 ) 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 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/driver.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[] = { -EACCES, /* FFA_RET_DENIED */ -EAGAIN, /* FFA_RET_RETRY */ -ECANCELED, /* FFA_RET_ABORTED */ + -ENODATA, /* FFA_RET_NO_DATA */ }; 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 == FFA_ERROR) return ffa_to_linux_errno((int)ret.a2); - if (ret.a0 == FFA_SUCCESS) { + if (ret.a0 == FFA_SUCCESS || ret.a0 == FFA_FN64_SUCCESS) { if (handle) *handle = PACK_HANDLE(ret.a2, ret.a3); } else if (ret.a0 == 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 @@ #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) /* * For some calls it is necessary to use SMC64 to pass or return 64-bit values. @@ -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) /* 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) /** * FF-A specification mentions explicitly about '4K pages'. This should