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 1BE8FC43217 for ; Thu, 24 Nov 2022 06:02:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229504AbiKXGCS (ORCPT ); Thu, 24 Nov 2022 01:02:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44976 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229436AbiKXGCS (ORCPT ); Thu, 24 Nov 2022 01:02:18 -0500 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 0C320C6D1D; Wed, 23 Nov 2022 22:02:17 -0800 (PST) Received: from jinankjain-dranzer.zrrkmle5drku1h0apvxbr2u2ee.ix.internal.cloudapp.net (unknown [20.188.121.5]) by linux.microsoft.com (Postfix) with ESMTPSA id 4819720B83C2; Wed, 23 Nov 2022 22:02:12 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 4819720B83C2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1669269736; bh=uaep1tK+T+Dq9nuVMJNHF5u820I4ZuS5d6oQfNsn06E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kF5bq17swLg0so2IVd5UTjOk4aV6E6fKfdVm1XosXmD14v6K5AUlKNPf0tRhXzc76 AIJvcz5WK7hwYpWdS/Goc21qE4pOA4BEMzqBqo88jfbaYX1alGdOjARI36KSMz14Cg 92e+E+n0PezaDWafZQrdIm6/kZtvbZX1tyxoF5hY= 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 v6 0/5] Add support running nested Microsoft Hypervisor Date: Thu, 24 Nov 2022 06:02:05 +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-hyperv@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 [v4] - Fix ARM64 compilation [v5] - Fix comments from Michael Kelly [v6] - Send the correct patches from the right folder 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 | 71 ++++++++++++++++++++++++++++++ arch/x86/kernel/idt.c | 9 ++++ drivers/hv/hv.c | 18 +++++--- drivers/hv/hv_common.c | 9 ++-- drivers/hv/vmbus_drv.c | 5 ++- include/asm-generic/hyperv-tlfs.h | 1 + include/asm-generic/mshyperv.h | 1 + 11 files changed, 168 insertions(+), 39 deletions(-) -- 2.25.1