From patchwork Thu Aug 25 10:14:56 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chao Peng X-Patchwork-Id: 662722 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3sKgKH1LV5z9sD5 for ; Thu, 25 Aug 2016 20:24:51 +1000 (AEST) Received: from localhost ([::1]:55437 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bcrq5-0004fs-16 for incoming@patchwork.ozlabs.org; Thu, 25 Aug 2016 06:24:49 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34527) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bcroa-000355-T6 for qemu-devel@nongnu.org; Thu, 25 Aug 2016 06:23:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bcroU-0001XE-QM for qemu-devel@nongnu.org; Thu, 25 Aug 2016 06:23:15 -0400 Received: from mga03.intel.com ([134.134.136.65]:15072) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bcroU-0001Ur-LG for qemu-devel@nongnu.org; Thu, 25 Aug 2016 06:23:10 -0400 Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga103.jf.intel.com with ESMTP; 25 Aug 2016 03:23:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,575,1464678000"; d="scan'208";a="160747016" Received: from vmm-docker1.bj.intel.com ([10.240.193.52]) by fmsmga004.fm.intel.com with ESMTP; 25 Aug 2016 03:23:09 -0700 From: Chao Peng To: qemu-devel@nongnu.org Date: Thu, 25 Aug 2016 06:14:56 -0400 Message-Id: <1472120105-29235-4-git-send-email-chao.p.peng@linux.intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1472120105-29235-1-git-send-email-chao.p.peng@linux.intel.com> References: <1472120105-29235-1-git-send-email-chao.p.peng@linux.intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 134.134.136.65 Subject: [Qemu-devel] [RFC PATCH v2 03/12] pc: make pic configurable X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Haozhong Zhang , Xiao Guangrong , Eduardo Habkost , "Michael S. Tsirkin" , Paolo Bonzini , gor Mammedov , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Chao Peng --- hw/i386/pc.c | 1 + hw/i386/pc_q35.c | 21 ++++++++++++--------- include/hw/i386/pc.h | 2 ++ 3 files changed, 15 insertions(+), 9 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 99fb9aa..ea81283 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -2193,6 +2193,7 @@ static void pc_machine_initfn(Object *obj) PC_MACHINE_DEFINE_PROP_BOOL(pcms, PC_MACHINE_SMBUS, smbus, true); PC_MACHINE_DEFINE_PROP_BOOL(pcms, PC_MACHINE_SATA, sata, true); + PC_MACHINE_DEFINE_PROP_BOOL(pcms, PC_MACHINE_PIC, pic, true); } static void pc_machine_reset(void) diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 88da970..1a961cc 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -202,17 +202,20 @@ static void pc_q35_init(MachineState *machine) pci_bus_set_route_irq_fn(host_bus, ich9_route_intx_pin_to_irq); isa_bus = ich9_lpc->isa_bus; - if (kvm_pic_in_kernel()) { - i8259 = kvm_i8259_init(isa_bus); - } else if (xen_enabled()) { - i8259 = xen_interrupt_controller_init(); - } else { - i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq()); - } + if (pcms->pic) { + if (kvm_pic_in_kernel()) { + i8259 = kvm_i8259_init(isa_bus); + } else if (xen_enabled()) { + i8259 = xen_interrupt_controller_init(); + } else { + i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq()); + } - for (i = 0; i < ISA_NUM_IRQS; i++) { - gsi_state->i8259_irq[i] = i8259[i]; + for (i = 0; i < ISA_NUM_IRQS; i++) { + gsi_state->i8259_irq[i] = i8259[i]; + } } + if (pcmc->pci_enabled) { ioapic_init_gsi(gsi_state, "q35"); } diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index f5be478..d7972ea 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -79,6 +79,7 @@ struct PCMachineState { bool smbus; bool sata; + bool pic; }; #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device" @@ -89,6 +90,7 @@ struct PCMachineState { #define PC_MACHINE_NVDIMM "nvdimm" #define PC_MACHINE_SMBUS "smbus" #define PC_MACHINE_SATA "sata" +#define PC_MACHINE_PIC "pic" /** * PCMachineClass: