From patchwork Wed Apr 19 22:23:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Atish Kumar Patra X-Patchwork-Id: 13217557 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 45907C77B7C for ; Wed, 19 Apr 2023 22:24:14 +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=YCIMz2Gc7AUZNN4gRy1X8Ck5sXnv+LeX+06Frjt/tVM=; b=mPF2bgSY/aAncJ kBqLqUO5K432nYfcH6nWxB25JVhyuOXPYhzG9DnRQ33+QOaiLMluR8HWNrHF4ux1/rn0JXE7lba3+ HUxfAbYXlLG/rWjz98yZ3jRrO6nkMNKOc70HKYXyjn+BsBZXAI2preMQSfjjaWh0QdDctcnLfTZxP KEdM02AbevSV3ZLeyTkjYJl5QcxrsPjH1B/ljS0FfAoOrqv/3nohMqrD0DcbDcdl+UfATWXFbTRzb SV1mobZBiWcKT8P2AcWEnidE+KnvhPm3g1AmH0ogker7n6jXLgozbjS/XE5kELakI0UBiv5uKroXw akAW1UGyaZVYUNXTJB2Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1ppGDf-006Ud4-0X; Wed, 19 Apr 2023 22:24:07 +0000 Received: from mail-pj1-x102e.google.com ([2607:f8b0:4864:20::102e]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1ppGDd-006UaK-0H for linux-riscv@lists.infradead.org; Wed, 19 Apr 2023 22:24:06 +0000 Received: by mail-pj1-x102e.google.com with SMTP id 98e67ed59e1d1-246bb512038so200194a91.1 for ; Wed, 19 Apr 2023 15:24:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20221208.gappssmtp.com; s=20221208; t=1681943044; x=1684535044; 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=LXsqDGUR1sIAzl083YrDdeF8Dcz5MG5TcoJ+FCFYQPE=; b=ohOEHO7BV/FHEqjDiY6pG/sbPPkvlHxUUXDxUV7dZqgZIIWVcpKe0qvs+coh7D9ZRh B9hkxCLFKh8o9nAC2rlRn7bMm1mBtWYtjnNK9pkEtJDD583cXnspj2Ze6kFtPx4sD05T M0i9ezLAErgLCl4r/YZAwl7ub1kBW72A2bCM2VN+GllxhNlhbw4174U5Fs0Rqs8lwuLx 6dFmv6DPhfk7Q0h+47Fu4cY06lgOcb8Yfc8WZoxCPJavUfQg727zdhXtl53U+ZG5ga3H Ua4k+o9Cp2yjV6jziSpH7zmCITKPG2JXN/AwelqUy5IqPzKZ18t594Y0qlAjZCJGwgwu OUiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681943044; x=1684535044; 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=LXsqDGUR1sIAzl083YrDdeF8Dcz5MG5TcoJ+FCFYQPE=; b=LGlSmP8eZHQCrs7b9o9kIkupL89i5S76Tw9KbJbQNBP/1ok2nAqHq6e50Bhpg7z1sc Bz7YdXi0BjgJEVB57IBk78vU+5T8AH1WAFF/1K9ZS16fzqocdZTpeFF2pUkrKsllVeyz pbyQ9Xtji1ML78gjLARlz3HJNlyawTcHJ6aO2H0TqVoBuBiA1QuE5ec+f0U4wgFB6zoH bLlj7ZrZdRP3G7hT63GeXq7LYH8+wCHRYW5d/9jOciIZtzuHn9yx2XbaQ+/OCinrkNlk 5wyP/U7w0sEYpAW2D5D0bTGgUjdtV0LF5P1lsLj7lccp4I5FV9uulL0jUk60V+ftU/zX he5g== X-Gm-Message-State: AAQBX9dn2uxmPHGnKHCskMV2ucPeSFVt4VK8LUYAghg6lzSZPGtjJktL O0nGntKu6PqXNm5xVsAH5+ZBLw== X-Google-Smtp-Source: AKy350ZHJJEltFWMtiEqeoirE/coBcaQIIAAD+T2dcklEUVhjT2GbyU5FBvkRUpdkDap1R/DwivJLA== X-Received: by 2002:a17:90a:be01:b0:247:1e30:5880 with SMTP id a1-20020a17090abe0100b002471e305880mr3727645pjs.38.1681943044256; Wed, 19 Apr 2023 15:24:04 -0700 (PDT) Received: from atishp.ba.rivosinc.com ([66.220.2.162]) by smtp.gmail.com with ESMTPSA id e4-20020a170902744400b001a681fb3e77sm11867810plt.44.2023.04.19.15.24.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Apr 2023 15:24:04 -0700 (PDT) From: Atish Patra To: linux-kernel@vger.kernel.org Cc: Atish Patra , Alexandre Ghiti , Andrew Jones , Andrew Morton , Anup Patel , Atish Patra , Suzuki K Poulose , Will Deacon , Marc Zyngier , Sean Christopherson , linux-coco@lists.linux.dev, Dylan Reid , abrestic@rivosinc.com, Samuel Ortiz , Jiri Slaby , kvm-riscv@lists.infradead.org, kvm@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, Palmer Dabbelt , Paolo Bonzini , Rajnesh Kanwal , Uladzislau Rezki Subject: [RFC kvmtool 01/10] riscv: Add a CoVE VM type. Date: Wed, 19 Apr 2023 15:23:41 -0700 Message-Id: <20230419222350.3604274-2-atishp@rivosinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230419222350.3604274-1-atishp@rivosinc.com> References: <20230419222350.3604274-1-atishp@rivosinc.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230419_152405_121969_83ED3ED6 X-CRM114-Status: GOOD ( 10.36 ) 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 The KVM needs to distinguish if an user wants to create a CoVE VM instead of a traditional VM. Define a RISC-V specific CoVE VM type that can be passed as a VM type. Signed-off-by: Atish Patra --- include/linux/kvm.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/kvm.h b/include/linux/kvm.h index ba4c4b0..000d2b9 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -911,6 +911,8 @@ struct kvm_ppc_resize_hpt { #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) + +#define KVM_VM_TYPE_RISCV_COVE (1UL << 9) /* * ioctls for /dev/kvm fds: */