From patchwork Fri Feb 4 17:46:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anup Patel X-Patchwork-Id: 12735485 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.gnu.org (lists.gnu.org [209.51.188.17]) (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 C7B8EC433F5 for ; Fri, 4 Feb 2022 19:35:13 +0000 (UTC) Received: from localhost ([::1]:45208 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nG4MR-0004kV-AF for qemu-devel@archiver.kernel.org; Fri, 04 Feb 2022 14:35:12 -0500 Received: from eggs.gnu.org ([209.51.188.92]:40474) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nG2hz-00071K-Pu for qemu-devel@nongnu.org; Fri, 04 Feb 2022 12:49:20 -0500 Received: from [2a00:1450:4864:20::434] (port=39759 helo=mail-wr1-x434.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nG2hx-0004Cu-Fi for qemu-devel@nongnu.org; Fri, 04 Feb 2022 12:49:19 -0500 Received: by mail-wr1-x434.google.com with SMTP id r17so3666810wrr.6 for ; Fri, 04 Feb 2022 09:49:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=brainfault-org.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qEJf89SevVQot2Hj3ZJkC4AKQIDCORDOul1GSl8azAo=; b=NTPiogaiwpNiS/2m8oSA5CBLSFEQLDunFyuHEkbjEvwU2iHb0gbVol80kzO+7NR9a1 oSSrp0QLkhBfIqlGCRrl9zM+3w2PHiAtjAesjVZCRywKxt2DF6pvTBHLQ2yTY3XI5DLL POfsD8p/QG6axinZBKvY4IjVP8LaG9roV+zcRuybnTt9VFSvaBsYcwKlohsd9baWlILo Xp0WybuIggeZZ2FZLz47zrEMqy8U4bR072FEf1Q7gjX24uuHi41WQMUnCHlhxWk3e1dW 0aq5aQv3cdJHAoqbIM14UIhJpHRj+Btrv8NF26lOE1PgcNf069QgdXI2zRC2TZHq1BqQ UkYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qEJf89SevVQot2Hj3ZJkC4AKQIDCORDOul1GSl8azAo=; b=r54YrckeY7RKlzkhTz/UCOuK/cTjSagBzuN2hn9Td2X3cxCKY18XLDhU8/phflHzj6 IlTZegiW0fyfC+uBWQNssBYy0qT2HjKX07FY9mGEbFQ0np7wWd6dq6jrMMHRz51O+1CQ 86uhJen/qc4bBe14wkCXm7XC/uylw1a9URwP4b/S/W+Zca23T51Mn7Oj+TeYIj5Ejz5I pfmZukAlBcY0QkdoZPK0p37mvCcrHF4TXjV8xw/Cncc0yU+KEFz7num9J0L2u8oTPtgI 1DsTorVU2zsL/emdEcm1KcSvDJDluJ+K91nPx50oqXzNfpVaWE5I8Kj+3rILAynTT70k N+ww== X-Gm-Message-State: AOAM5336NbolfSRlm87xu4T918qpQPoecoIQjGA0x24vhYRmUb2iVZAZ DP80d0oLllS8lHdZX+pbJPpE1w== X-Google-Smtp-Source: ABdhPJyLayT6ba46SreIchBkTYWlJnqu+oz15I43g3AKINe0DNAfVa7lnGecvv4+RV+KFt7ww9ZDRA== X-Received: by 2002:a5d:4943:: with SMTP id r3mr31848wrs.130.1643996956171; Fri, 04 Feb 2022 09:49:16 -0800 (PST) Received: from localhost.localdomain ([122.167.157.188]) by smtp.gmail.com with ESMTPSA id f13sm11381876wmq.29.2022.02.04.09.49.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Feb 2022 09:49:15 -0800 (PST) From: Anup Patel To: Peter Maydell , Palmer Dabbelt , Alistair Francis , Sagar Karandikar Subject: [PATCH v9 22/23] docs/system: riscv: Document AIA options for virt machine Date: Fri, 4 Feb 2022 23:16:58 +0530 Message-Id: <20220204174700.534953-23-anup@brainfault.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220204174700.534953-1-anup@brainfault.org> References: <20220204174700.534953-1-anup@brainfault.org> MIME-Version: 1.0 X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::434 (failed) Received-SPF: none client-ip=2a00:1450:4864:20::434; envelope-from=anup@brainfault.org; helo=mail-wr1-x434.google.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-riscv@nongnu.org, Frank Chang , Anup Patel , qemu-devel@nongnu.org, Alistair Francis , Atish Patra , Bin Meng Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Anup Patel We have two new machine options "aia" and "aia-guests" available for the RISC-V virt machine so let's document these options. Signed-off-by: Anup Patel Signed-off-by: Anup Patel Reviewed-by: Alistair Francis Reviewed-by: Frank Chang --- docs/system/riscv/virt.rst | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/docs/system/riscv/virt.rst b/docs/system/riscv/virt.rst index fa016584bf..373645513a 100644 --- a/docs/system/riscv/virt.rst +++ b/docs/system/riscv/virt.rst @@ -63,6 +63,22 @@ The following machine-specific options are supported: When this option is "on", ACLINT devices will be emulated instead of SiFive CLINT. When not specified, this option is assumed to be "off". +- aia=[none|aplic|aplic-imsic] + + This option allows selecting interrupt controller defined by the AIA + (advanced interrupt architecture) specification. The "aia=aplic" selects + APLIC (advanced platform level interrupt controller) to handle wired + interrupts whereas the "aia=aplic-imsic" selects APLIC and IMSIC (incoming + message signaled interrupt controller) to handle both wired interrupts and + MSIs. When not specified, this option is assumed to be "none" which selects + SiFive PLIC to handle wired interrupts. + +- aia-guests=nnn + + The number of per-HART VS-level AIA IMSIC pages to be emulated for a guest + having AIA IMSIC (i.e. "aia=aplic-imsic" selected). When not specified, + the default number of per-HART VS-level AIA IMSIC pages is 0. + Running Linux kernel --------------------