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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BFAACC43217 for ; Thu, 3 Nov 2022 13:05:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231295AbiKCNFa (ORCPT ); Thu, 3 Nov 2022 09:05:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42346 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231161AbiKCNFJ (ORCPT ); Thu, 3 Nov 2022 09:05:09 -0400 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 915EB178BF; Thu, 3 Nov 2022 06:04:13 -0700 (PDT) Received: from jinankjain-dranzer.zrrkmle5drku1h0apvxbr2u2ee.ix.internal.cloudapp.net (unknown [20.188.121.5]) by linux.microsoft.com (Postfix) with ESMTPSA id 1A66B20B9F81; Thu, 3 Nov 2022 06:04:08 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 1A66B20B9F81 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1667480653; bh=AN7mmvGxBvUuf9Ip8jEZg4kDB3svnoriD2HrczLSwDg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=S0dCEIZ/u+kEPxD2IdDHWcQrGjvD1xZJor3tAKzbqw+1lT6+otiotEiXBjfhy45jU OCV+zq2NyTO24z2rOzZdp1FY/aYZMRwidSNsFU9vtacLg5u0S9SKLPaiZVYfoWDI+L VYafYJ0kJDTG15QXMLlkMFHD6n/XJUFHnSSqZFOU= From: Jinank Jain To: jinankjain@microsoft.com Cc: kys@microsoft.com, haiyangz@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, anrayabh@linux.microsoft.com, mikelley@microsoft.com Subject: [PATCH v3 0/5] Add support running nested Microsoft Hypervisor Date: Thu, 3 Nov 2022 13:04:02 +0000 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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): x86/hyperv: Add support for detecting nested hypervisor Drivers: hv: Setup synic registers in case of nested root partition x86/hyperv: Add an interface to do nested hypercalls Drivers: hv: Enable vmbus driver for nested root partition x86/hyperv: 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/hv_common.c | 7 ++- drivers/hv/vmbus_drv.c | 5 ++- include/asm-generic/hyperv-tlfs.h | 1 + 10 files changed, 141 insertions(+), 14 deletions(-) -- 2.25.1