From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 87346C4360C for ; Fri, 27 Sep 2019 00:09:39 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 595BB207FF for ; Fri, 27 Sep 2019 00:09:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="W1+KXoRh"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="UbcchuZD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 595BB207FF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=wdc.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=rBZ8nAnhbdLA/vsSGv3T6ryblM7H673LJkGPr/jMRnc=; b=W1+KXoRh6DO0eN xgmMSipaH5iVWxoWj9tELSbaU1TLXV5tYcXrZbOSKFdsemixEtJg6Sdsb4uVBqu9WdlFNBXwM5j8j StJtVZXDr7VP+JuCC9WCDnAsv/edQRG9Rcw/+CuxWD6HvnTEbSoWDSyFWV/89l0t2SMcw+UdgSr0H +kZWFaEAH2P3/aJJyNEnMxFqA2kMF6OaFrz3KgfYbl26gUGDaDmqNm1xITV3sQ+LUujNHFwDwSJ/K XgsjCIA1Bn81OetuJOiVjA8oIdp8wsYpmhsRKXutOoHfQTVzLuYJ2ZiVx9Z1G88q7DqmK3eJlZfzD Q+I5bpQUJoWZMV76pWrA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iDdpK-0006nC-CH; Fri, 27 Sep 2019 00:09:38 +0000 Received: from esa2.hgst.iphmx.com ([68.232.143.124]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iDdpD-0006iS-JJ for linux-riscv@lists.infradead.org; Fri, 27 Sep 2019 00:09:33 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1569542973; x=1601078973; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=bDArMe9M2L91Z/CR0UnsmHQJUCaE4qjpImR1YxVjjj4=; b=UbcchuZDzvI74kjiUx832jliUVL8RpB6PgcFhYczwAkT3b/nRz+Ti9XR JNezJ4C7fjv2e3JK/wXKASx2BVCfGHRk+oRu5egBQiyvPm88ilC4wZD4S WkgFYoTzSVv+myC28KczrLkn/xKyAmEzQvJHaTU+tVwUqx0iSEvK2gGsl 90nO5ygrl7tZ0dZLb3CxErfFTiewf7xByMzjJUi1PFEBno+e49tBmL3I1 wvEa3bHsfwGjlE4u67CujqkDwH13MJtGW6DTY95S6YuSHxzNGWjccElo6 1F91XWaC7v1dyYQUNGgLZ7adn9bq2YjrX9lB3IloAxbqs5giBXq7Q59Mu g==; IronPort-SDR: y9Ijr7BHEkfhnf9knVbUPFPCJZNeL+TLxPrh7TGXWzmdVTCBFPZHY4ItjEoakbx6bGRo0Dx2ev k/Td4wmXNjLfesmLxCheB8ZsVtBSbhIRQV2oaCNe6AyyuQc9wPP/xvmZK0F9ncdbuTWNlEXcOO Y6oRJFoApGc9PpAb+K5Vtldm64IKjGymVopnlplxH6l9M/aljuYD3v2orfhofeBH776UGl8dxs AlTvWXwOGnP/+ZMHVjUeJkS/JoCRlSxumKX+GL1rKpiLaj1zLE1YozD8QR74tuOfH3DU8VIcFw Gnc= X-IronPort-AV: E=Sophos;i="5.64,553,1559491200"; d="scan'208";a="220096747" Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 27 Sep 2019 08:09:46 +0800 IronPort-SDR: Qgj1tBCSpcNhHICEISXWgu6j6ri2eimH+/M6gXrV1C3gHzMjBOiKzg82yJgzNc1ZVmJ1USy3Ba cFoZKeLsSOdCoalixu5mpmfDBEgpWNvuCFTO+kH8b/iFTxpctDwCpcmDTwK/ozlK0RoUfEd/fP DzHCnkt6l0e4J96Mf8Zmv4ntU92zA6oANxrDObLUSUvHmh5kxbQh6t8lJJ78MnamoARU6YU9nj rUj/yDNrgpluwzgWziYmhL/B1/znXRwsBBJWnaAM9duSrWutaeMGqN+N7wPqMompI72UfjWkaR ah7fqmA54pq2QpPnQvsYHJfJ Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Sep 2019 17:05:45 -0700 IronPort-SDR: 5iiWTZJZcFIZLgZ/ptOBpHjaDkMGM/HJC4HUB7QiJCVOBj24JiCl63mi+A1hxuRHQRcx+bMRQQ p14dA785reRfFMxu8TZcc+xegP3+vhPgoECX0jWMVV0WJPpbwu5PdGQ6dGl0Z1EE0DbCKGr3L6 tkBOE6j73OupEAxlVGMmtiwTOq7QMEWjue+yy2K2CQmXW10u4xtolQAZHZVceak+vb0xQ4nOdT wxISFKSoh9JSA+91eQGSybK3Ktqblh1HKv/WqpLSMmOm2IdYZ+AWmLeDYGwdEscdoQ25TcR6qx wSo= WDCIronportException: Internal Received: from jedi-01.sdcorp.global.sandisk.com (HELO jedi-01.int.fusionio.com) ([10.11.143.218]) by uls-op-cesaip01.wdc.com with ESMTP; 26 Sep 2019 17:09:25 -0700 From: Atish Patra To: linux-kernel@vger.kernel.org Subject: [PATCH v2 3/3] RISC-V: Move SBI related macros under uapi. Date: Thu, 26 Sep 2019 17:09:15 -0700 Message-Id: <20190927000915.31781-4-atish.patra@wdc.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190927000915.31781-1-atish.patra@wdc.com> References: <20190927000915.31781-1-atish.patra@wdc.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190926_170931_678996_7A24DD65 X-CRM114-Status: GOOD ( 12.27 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Albert Ou , Alan Kao , Anup Patel , Palmer Dabbelt , Mike Rapoport , Paul Walmsley , Atish Patra , Gary Guo , Greg Kroah-Hartman , linux-riscv@lists.infradead.org, Thomas Gleixner , Allison Randal Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org All SBI related macros can be reused by KVM RISC-V and userspace tools such as kvmtool, qemu-kvm. SBI calls can also be emulated by userspace if required. Any future vendor extensions can leverage this to emulate the specific extension in userspace instead of kernel. Signed-off-by: Atish Patra --- arch/riscv/include/asm/sbi.h | 37 +----------------------- arch/riscv/include/uapi/asm/sbi.h | 48 +++++++++++++++++++++++++++++++ 2 files changed, 49 insertions(+), 36 deletions(-) create mode 100644 arch/riscv/include/uapi/asm/sbi.h diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h index 279b7f10b3c2..902b83041111 100644 --- a/arch/riscv/include/asm/sbi.h +++ b/arch/riscv/include/asm/sbi.h @@ -7,42 +7,7 @@ #define _ASM_RISCV_SBI_H #include - -enum sbi_ext_id { - SBI_EXT_0_1_SET_TIMER = 0x0, - SBI_EXT_0_1_CONSOLE_PUTCHAR = 0x1, - SBI_EXT_0_1_CONSOLE_GETCHAR = 0x2, - SBI_EXT_0_1_CLEAR_IPI = 0x3, - SBI_EXT_0_1_SEND_IPI = 0x4, - SBI_EXT_0_1_REMOTE_FENCE_I = 0x5, - SBI_EXT_0_1_REMOTE_SFENCE_VMA = 0x6, - SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID = 0x7, - SBI_EXT_0_1_SHUTDOWN = 0x8, - SBI_EXT_BASE = 0x10, -}; - -enum sbi_ext_base_fid { - SBI_BASE_GET_SPEC_VERSION = 0, - SBI_BASE_GET_IMP_ID, - SBI_BASE_GET_IMP_VERSION, - SBI_BASE_PROBE_EXT, - SBI_BASE_GET_MVENDORID, - SBI_BASE_GET_MARCHID, - SBI_BASE_GET_MIMPID, -}; - -#define SBI_SPEC_VERSION_DEFAULT 0x1 -#define SBI_SPEC_VERSION_MAJOR_OFFSET 24 -#define SBI_SPEC_VERSION_MAJOR_MASK 0x7f -#define SBI_SPEC_VERSION_MINOR_MASK 0xffffff - -/* SBI return error codes */ -#define SBI_SUCCESS 0 -#define SBI_ERR_FAILURE -1 -#define SBI_ERR_NOT_SUPPORTED -2 -#define SBI_ERR_INVALID_PARAM -3 -#define SBI_ERR_DENIED -4 -#define SBI_ERR_INVALID_ADDRESS -5 +#include extern unsigned long sbi_spec_version; struct sbiret { diff --git a/arch/riscv/include/uapi/asm/sbi.h b/arch/riscv/include/uapi/asm/sbi.h new file mode 100644 index 000000000000..2e09ee52c346 --- /dev/null +++ b/arch/riscv/include/uapi/asm/sbi.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Common SBI related defines and macros to be used by RISC-V kernel, + * RISC-V KVM and userspace. + * + * Copyright (c) 2019 Western Digital Corporation or its affiliates. + */ + +#ifndef _UAPI_ASM_RISCV_SBI_H +#define _UAPI_ASM_RISCV_SBI_H + +enum sbi_ext_id { + SBI_EXT_0_1_SET_TIMER = 0x0, + SBI_EXT_0_1_CONSOLE_PUTCHAR = 0x1, + SBI_EXT_0_1_CONSOLE_GETCHAR = 0x2, + SBI_EXT_0_1_CLEAR_IPI = 0x3, + SBI_EXT_0_1_SEND_IPI = 0x4, + SBI_EXT_0_1_REMOTE_FENCE_I = 0x5, + SBI_EXT_0_1_REMOTE_SFENCE_VMA = 0x6, + SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID = 0x7, + SBI_EXT_0_1_SHUTDOWN = 0x8, + SBI_EXT_BASE = 0x10, +}; + +enum sbi_ext_base_fid { + SBI_BASE_GET_SPEC_VERSION = 0, + SBI_BASE_GET_IMP_ID, + SBI_BASE_GET_IMP_VERSION, + SBI_BASE_PROBE_EXT, + SBI_BASE_GET_MVENDORID, + SBI_BASE_GET_MARCHID, + SBI_BASE_GET_MIMPID, +}; + +#define SBI_SPEC_VERSION_DEFAULT 0x1 +#define SBI_SPEC_VERSION_MAJOR_OFFSET 24 +#define SBI_SPEC_VERSION_MAJOR_MASK 0x7f +#define SBI_SPEC_VERSION_MINOR_MASK 0xffffff + +/* SBI return error codes */ +#define SBI_SUCCESS 0 +#define SBI_ERR_FAILURE -1 +#define SBI_ERR_NOT_SUPPORTED -2 +#define SBI_ERR_INVALID_PARAM -3 +#define SBI_ERR_DENIED -4 +#define SBI_ERR_INVALID_ADDRESS -5 + +#endif -- 2.21.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv