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 63CACC4332F for ; Thu, 17 Nov 2022 03:28:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234000AbiKQD2J (ORCPT ); Wed, 16 Nov 2022 22:28:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49846 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234071AbiKQD2G (ORCPT ); Wed, 16 Nov 2022 22:28:06 -0500 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 92F6BCE12; Wed, 16 Nov 2022 19:28:04 -0800 (PST) Received: from jinankjain-dranzer.zrrkmle5drku1h0apvxbr2u2ee.ix.internal.cloudapp.net (unknown [20.188.121.5]) by linux.microsoft.com (Postfix) with ESMTPSA id E691920B6C40; Wed, 16 Nov 2022 19:27:59 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com E691920B6C40 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1668655684; bh=CGuqdcgFFREA52DoeCkrhzpZV/LHr24q72S97S5r2ao=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lE8YA9UUcesT5jIf5DXlnBwKzJsesyZPcWa7N/Q2gsRurL33Ib+x4x0rcWQYCisMP VOmrvq9uMnfUuLV1yhL6Iriju04AaSUNd4xofudFAtmNdVkHVjgdxXw5+zdWpQoqwH t6oj3P1t2h23rSZl8ou76samJfuTA8PoQrfbw0i4= 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 v4 0/5] Add support running nested Microsoft Hypervisor Date: Thu, 17 Nov 2022 03:27:53 +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-arch@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 arch/arm64/hyperv/mshyperv.c | 6 +++ 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 | 7 ++- drivers/hv/vmbus_drv.c | 5 ++- include/asm-generic/hyperv-tlfs.h | 1 + include/asm-generic/mshyperv.h | 1 + 12 files changed, 173 insertions(+), 38 deletions(-) -- 2.25.1