From patchwork Tue Oct 10 17:04:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anup Patel X-Patchwork-Id: 13415764 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 9045BCD8CAC for ; Tue, 10 Oct 2023 17:05:30 +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:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=N6Eq6ePnmgUEFGHR7njKwHGJjW34OI7D44Wf2oWb37w=; b=Ir5vhyQtwRBx8a COkCZEIFBmkF3qFWXeY8jZIPQkKv0q2ke8z2gfswGiS+db2xw9XepfXyV1eJ/uPVwywulBiApIpTF slmWEs0mKbZXp5+9JcdkLDcxCtqJy5ytPMYUQPdUqVw1XJRIWt7zHXMRfxhJXx/rOpQ5SSkgdV5Xb PtyU27NvsztoGvmLce+uV3ownLxPMSvmN3ITQZCkOqA0WwbheuEOE4YM2DR7JgmBLclbf5+sai3Vf 47VfBf//fESBSNE06kczHa7rGTmqBfvRpigraiXwcXO5EWJficC9lp4K/mvZiTqJ4yexeDdFPzryN bByZ4IkUUk29PMnqyTog==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qqGAf-00DoKA-10; Tue, 10 Oct 2023 17:05:25 +0000 Received: from mail-pl1-x634.google.com ([2607:f8b0:4864:20::634]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qqGAZ-00DoHA-2j for linux-riscv@lists.infradead.org; Tue, 10 Oct 2023 17:05:23 +0000 Received: by mail-pl1-x634.google.com with SMTP id d9443c01a7336-1c9b95943beso5620675ad.1 for ; Tue, 10 Oct 2023 10:05:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1696957519; x=1697562319; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=B8bTrDTugOefVQ1gZ31VUL3xKHXyC/9v3hCQTi2FF0M=; b=Q8b433TPIU7uv/WJUUvS6dWItJ0AN/y69E4tZGj7mv/nQGDBI2aWJESKTrGDUyYVRn RjvbOu03pDmo+p+HMtiPe/WuHI/EkEieNnaIpQ8NNn+PkJ92ecGYEXBmyXl8Gbb+SVpD CqEUr/Kh7nPR5F8fbqVnay6qjQT8ff6pnhX1UT4Ttxpor8ixGYWE0aLpqZna0+IEQXoq SzTHvM5HYhrgjLuuTzloC4h47XiAp6b/v+FxseYcexGhjwZwB0aqXV1nTIAJ/UExP5sx MUuOefy4F4IB54EXsN5e2gXeyEFiYAnWTxmuD5e1GZ1l7i5i+AfVnUioivi/CWv/FBpR JGgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696957519; x=1697562319; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=B8bTrDTugOefVQ1gZ31VUL3xKHXyC/9v3hCQTi2FF0M=; b=kGsm84Ue2KCd2lC6pCtHk1D/mLofBPUTLwVCa4fZxWdCndkjpwK2AJ1SG0QSpJ3Oo/ vF2xba7d0vDuSPfOmfJ+Q/fl6apyWNG3PJD8ZRIL8qwZsx6QEZb0kVdVQrnkLYmwCiZJ 4Iqsfj4YIv94qJ2LDu6rupYmtwQeTgS9tsxt5YTUJXDMV/FZc0Z38aMCk/nm1mnH8+fd j3yi3uxxcIUenhMj3xeTDm5bnJurtPARRoFuI/+IDY4tDM+t0NKwEZxWTc0YiBCiu8LE EYeKh7Hl7UfieHSsCijCGeI2obfTUGMTLlmeWAF67JkFScIY1gAz7XZGcCZpx0z8gFZc 6NzA== X-Gm-Message-State: AOJu0Yz5vi4AUaC/AAMVYY2p6CeWW5ukEZsulxzVjar6rnRiGbcFjpR/ HqeUXGd60r+5oH6+yXgS+Kj+JQ== X-Google-Smtp-Source: AGHT+IFL7+0d+NQPD7h5kg3nJxB/J3VP1OkPOJXtOKdl/WfOH7Q9zbTJf6UkIcSLTxobmxIUYWGImA== X-Received: by 2002:a17:902:ea0a:b0:1bb:598a:14e5 with SMTP id s10-20020a170902ea0a00b001bb598a14e5mr24227444plg.43.1696957519183; Tue, 10 Oct 2023 10:05:19 -0700 (PDT) Received: from anup-ubuntu-vm.localdomain ([103.97.165.210]) by smtp.gmail.com with ESMTPSA id w19-20020a1709027b9300b001b89536974bsm11979868pll.202.2023.10.10.10.05.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Oct 2023 10:05:18 -0700 (PDT) From: Anup Patel To: Paolo Bonzini , Atish Patra , Palmer Dabbelt , Paul Walmsley , Greg Kroah-Hartman , Jiri Slaby Cc: Conor Dooley , Andrew Jones , kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-serial@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Anup Patel Subject: [PATCH 1/6] RISC-V: Add defines for SBI debug console extension Date: Tue, 10 Oct 2023 22:34:58 +0530 Message-Id: <20231010170503.657189-2-apatel@ventanamicro.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231010170503.657189-1-apatel@ventanamicro.com> References: <20231010170503.657189-1-apatel@ventanamicro.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231010_100519_885372_15BDED27 X-CRM114-Status: UNSURE ( 8.87 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org We add SBI debug console extension related defines/enum to the asm/sbi.h header. Signed-off-by: Anup Patel --- arch/riscv/include/asm/sbi.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h index 5b4a1bf5f439..12dfda6bb924 100644 --- a/arch/riscv/include/asm/sbi.h +++ b/arch/riscv/include/asm/sbi.h @@ -30,6 +30,7 @@ enum sbi_ext_id { SBI_EXT_HSM = 0x48534D, SBI_EXT_SRST = 0x53525354, SBI_EXT_PMU = 0x504D55, + SBI_EXT_DBCN = 0x4442434E, /* Experimentals extensions must lie within this range */ SBI_EXT_EXPERIMENTAL_START = 0x08000000, @@ -236,6 +237,12 @@ enum sbi_pmu_ctr_type { /* Flags defined for counter stop function */ #define SBI_PMU_STOP_FLAG_RESET (1 << 0) +enum sbi_ext_dbcn_fid { + SBI_EXT_DBCN_CONSOLE_WRITE = 0, + SBI_EXT_DBCN_CONSOLE_READ = 1, + SBI_EXT_DBCN_CONSOLE_WRITE_BYTE = 2, +}; + #define SBI_SPEC_VERSION_DEFAULT 0x1 #define SBI_SPEC_VERSION_MAJOR_SHIFT 24 #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f