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[2620:137:e000::1:20]) by mx.google.com with ESMTP id n3-20020a17090a5a8300b00212e738ac60si2599542pji.84.2022.11.02.09.41.39; Wed, 02 Nov 2022 09:42:01 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linux.microsoft.com header.s=default header.b=LX0pvyot; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.microsoft.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231891AbiKBQlQ (ORCPT + 99 others); Wed, 2 Nov 2022 12:41:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231887AbiKBQkx (ORCPT ); Wed, 2 Nov 2022 12:40:53 -0400 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 75FB92DA94; Wed, 2 Nov 2022 09:36:08 -0700 (PDT) Received: from jinankjain-dranzer.zrrkmle5drku1h0apvxbr2u2ee.ix.internal.cloudapp.net (unknown [20.188.121.5]) by linux.microsoft.com (Postfix) with ESMTPSA id 2D28E20C28B1; Wed, 2 Nov 2022 09:36:04 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 2D28E20C28B1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1667406968; bh=9/88lNAH8ojLEVPtGhn/JbPNn4rjfulEaEKmtJYYGx4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LX0pvyot8MtESAsSo095I0p1bpduBwiVFrvZTGV/mCgEQCU+JGX8lNjwMtLCQX/pK 06z7krYx3xietDrwBVgzkM/v8FFwlBLMxr8exxOPrvjYI/ZscxoqVPT/dbN9mClP7K O0F36eGjylj5GJGtzspqUUdCtgeQh63Q0PtzJJxA= From: Jinank Jain To: jinankjain@microsoft.com Cc: kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, arnd@arndb.de, peterz@infradead.org, jpoimboe@kernel.org, jinankjain@linux.microsoft.com, seanjc@google.com, kirill.shutemov@linux.intel.com, ak@linux.intel.com, sathyanarayanan.kuppuswamy@linux.intel.com, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Subject: [PATCH v2 0/5] Add support running nested Microsoft Hypervisor Date: Wed, 2 Nov 2022 16:35:57 +0000 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 X-Spam-Status: No, score=-19.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,ENV_AND_HDR_SPF_MATCH,RCVD_IN_DNSWL_MED, SPF_HELO_PASS,SPF_PASS,USER_IN_DEF_DKIM_WL,USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1748403299597734940?= X-GMAIL-MSGID: =?utf-8?q?1748403299597734940?= This patch series plans to add support for running nested Microsoft Hypervisor. In case of nested Microsoft Hypervisor there are few privileged hypercalls which need to go L0 Hypervisor instead of L1 Hypervisor. This patches series basically identifies such hypercalls and replace them with nested hypercalls. Jinank Jain (5): mshv: Add support for detecting nested hypervisor hv: Setup synic registers in case of nested root partition hv: Add an interface to do nested hypercalls hv: Enable vmbus driver for nested root partition hv, mshv : Change interrupt vector for nested root partition arch/x86/include/asm/hyperv-tlfs.h | 17 +++++++- arch/x86/include/asm/idtentry.h | 2 + arch/x86/include/asm/irq_vectors.h | 6 +++ arch/x86/include/asm/mshyperv.h | 68 ++++++++++++++++++++++++++++-- arch/x86/kernel/cpu/mshyperv.c | 22 ++++++++++ arch/x86/kernel/idt.c | 9 ++++ drivers/hv/hv.c | 18 +++++--- drivers/hv/vmbus_drv.c | 5 ++- include/asm-generic/hyperv-tlfs.h | 1 + include/asm-generic/mshyperv.h | 1 + 10 files changed, 137 insertions(+), 12 deletions(-)