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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 0BD55CD8CAC for ; Tue, 10 Oct 2023 17:06:16 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ventanamicro.com header.i=@ventanamicro.com header.a=rsa-sha256 header.s=google header.b=GPDwhoEB; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4S4j3W1yFnz3cCS for ; Wed, 11 Oct 2023 04:06:15 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ventanamicro.com header.i=@ventanamicro.com header.a=rsa-sha256 header.s=google header.b=GPDwhoEB; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=ventanamicro.com (client-ip=2607:f8b0:4864:20::631; helo=mail-pl1-x631.google.com; envelope-from=apatel@ventanamicro.com; receiver=lists.ozlabs.org) Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4S4j2S6KpDz30NN for ; Wed, 11 Oct 2023 04:05:18 +1100 (AEDT) Received: by mail-pl1-x631.google.com with SMTP id d9443c01a7336-1c9c5a1b87bso2814915ad.3 for ; Tue, 10 Oct 2023 10:05:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1696957514; x=1697562314; darn=lists.ozlabs.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=WPT4Fkg+ojgLC0XZKWvgq9PlzRbEr2TYZf8y6H1Pt5Y=; b=GPDwhoEBvr84WpDQ77NJaGzvMqoXO9qYnMSy3fAsnHu9AE7ca8W6pRYpTO0DfxYXMg TP0ORMQvBF3CkDzVx0yQ5GYyCKH9F11RJ+2mHaaMHPlEhGBvo99IVLYOjzaQZo5zDny2 ivnGD9PyVeWBAHfjxdDW+QLw8/JRgr/LlhzHErbT8iYNnPujOz6RMaMBuydfB60e8z1G UhTNS4cAHs4t3dYYIBq14K+bkirlRtnj1+wjXT1KCGlK/obZC/EaVri0E2b42kIPJdm0 V0WhuCurkI8tJQLJvmkJYl1w77LjsSSYjdim/bjg59MGBhogA87fxYVNBJss+9TyEiLw XJyQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696957514; x=1697562314; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=WPT4Fkg+ojgLC0XZKWvgq9PlzRbEr2TYZf8y6H1Pt5Y=; b=KaMpPVW+tDAi98v7mjveQ7XNfHKHMkc7IWmblfjARK20tBCIh5xxmQnzsqsqIZt3If DxyCRJ3oIkmDG7qVqTc3plK4lqTEJkFT637lvEdpV6M3EYgZ1Qpxwq9+QSlo8NyfINMM +SGC2vUkz7MBUJ1YGeDXEHNU4nLVgTQGlcNN9WpSS07IeOkspeNkUtmqLXu/TRZAKVLx ERbUjL6zIzu5oxADV4+k6fhdlnlfidLf/on/HcKslTG9d760dsVBl90veNa1KNibAoIm J8HGNMcrL/0vntodq6I8qBhG9SyLneA01IISNBF73M3XKtbi8Tv6MCBvXM18CxxRTRcQ wZaA== X-Gm-Message-State: AOJu0YyN9gRrrdYsnrKa5xsuUE6d1/uoC80FaS0DEofeVJAQaePL+SBY WOu7uDt+9ZhQeVpM3SQ8K74/fw== X-Google-Smtp-Source: AGHT+IFym/OscZjdiaKnZudFAiUw/7t8pHDcgobeGgruKdPyihzD8VGIHQ5tw7zHoHGLJR6WzQgjAQ== X-Received: by 2002:a17:902:eb46:b0:1c9:c5a6:1d00 with SMTP id i6-20020a170902eb4600b001c9c5a61d00mr895380pli.1.1696957513651; Tue, 10 Oct 2023 10:05:13 -0700 (PDT) Received: from anup-ubuntu-vm.localdomain ([103.97.165.210]) by smtp.gmail.com with ESMTPSA id w19-20020a1709027b9300b001b89536974bsm11979868pll.202.2023.10.10.10.05.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Oct 2023 10:05:12 -0700 (PDT) From: Anup Patel To: Paolo Bonzini , Atish Patra , Palmer Dabbelt , Paul Walmsley , Greg Kroah-Hartman , Jiri Slaby Subject: [PATCH 0/6] RISC-V SBI debug console extension support Date: Tue, 10 Oct 2023 22:34:57 +0530 Message-Id: <20231010170503.657189-1-apatel@ventanamicro.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anup Patel , linux-serial@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Conor Dooley , kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, Andrew Jones Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This series adds support for SBI debug console extension in KVM RISC-V and Linux RISC-V. To try these patches with KVM RISC-V, use KVMTOOL from riscv_sbi_dbcn_v1 branch at: https://github.com/avpatel/kvmtool.git These patches can also be found in the riscv_sbi_dbcn_v1 branch at: https://github.com/avpatel/linux.git Anup Patel (5): RISC-V: Add defines for SBI debug console extension RISC-V: KVM: Change the SBI specification version to v2.0 RISC-V: KVM: Forward SBI DBCN extension to user-space tty/serial: Add RISC-V SBI debug console based earlycon RISC-V: Enable SBI based earlycon support Atish Patra (1): tty: Add SBI debug console support to HVC SBI driver arch/riscv/configs/defconfig | 1 + arch/riscv/configs/rv32_defconfig | 1 + arch/riscv/include/asm/kvm_vcpu_sbi.h | 3 +- arch/riscv/include/asm/sbi.h | 7 +++ arch/riscv/include/uapi/asm/kvm.h | 1 + arch/riscv/kvm/vcpu_sbi.c | 4 ++ arch/riscv/kvm/vcpu_sbi_replace.c | 31 ++++++++++ drivers/tty/hvc/Kconfig | 2 +- drivers/tty/hvc/hvc_riscv_sbi.c | 80 ++++++++++++++++++++++--- drivers/tty/serial/Kconfig | 2 +- drivers/tty/serial/earlycon-riscv-sbi.c | 35 +++++++++-- 11 files changed, 153 insertions(+), 14 deletions(-) -- 2.34.1