From patchwork Mon Apr 29 15:02:51 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Igor Mammedov X-Patchwork-Id: 240389 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 114D92C00C1 for ; Tue, 30 Apr 2013 01:04:36 +1000 (EST) Received: from localhost ([::1]:59637 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UWpd3-0003lT-UT for incoming@patchwork.ozlabs.org; Mon, 29 Apr 2013 11:04:34 -0400 Received: from eggs.gnu.org ([208.118.235.92]:52249) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UWpcN-0003bT-Nl for qemu-devel@nongnu.org; Mon, 29 Apr 2013 11:03:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UWpcK-0006Z5-8C for qemu-devel@nongnu.org; Mon, 29 Apr 2013 11:03:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:23375) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UWpcK-0006Yl-0C for qemu-devel@nongnu.org; Mon, 29 Apr 2013 11:03:48 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r3TF3BPQ021251 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 29 Apr 2013 11:03:11 -0400 Received: from thinkpad.redhat.com (vpn-238-245.phx2.redhat.com [10.3.238.245]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id r3TF2vEI010752; Mon, 29 Apr 2013 11:03:07 -0400 From: Igor Mammedov To: qemu-devel@nongnu.org Date: Mon, 29 Apr 2013 17:02:51 +0200 Message-Id: <1367247776-7695-3-git-send-email-imammedo@redhat.com> In-Reply-To: <1367247776-7695-1-git-send-email-imammedo@redhat.com> References: <1367247776-7695-1-git-send-email-imammedo@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-MIME-Autoconverted: from 8bit to quoted-printable by mx1.redhat.com id r3TF3BPQ021251 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: aliguori@us.ibm.com, ehabkost@redhat.com, mst@redhat.com, jan.kiszka@siemens.com, claudio.fontana@huawei.com, aderumier@odiso.com, lcapitulino@redhat.com, jfrei@linux.vnet.ibm.com, yang.z.zhang@intel.com, pbonzini@redhat.com, afaerber@suse.de, lig.fnst@cn.fujitsu.com, rth@twiddle.net Subject: [Qemu-devel] [PATCH 2/7] target-i386: Attach ICC bus to CPU on its creation X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org X86CPU should have parent bus so it could provide bus for child APIC. Signed-off-by: Igor Mammedov Signed-off-by: Andreas Färber --- TODO: fix unplug of bus-less devices in device-del v2: - pass icc_bridge to cpu_x86_create instead of resolving it each time --- hw/i386/pc.c | 10 ++++++---- hw/i386/pc_piix.c | 2 +- hw/i386/pc_q35.c | 2 +- include/hw/i386/pc.h | 2 +- target-i386/cpu.c | 11 +++++++++-- target-i386/cpu.h | 3 ++- 6 files changed, 20 insertions(+), 10 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 7c7dd86..658ff6c 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -890,12 +890,13 @@ void pc_acpi_smi_interrupt(void *opaque, int irq, int level) } } -static X86CPU *pc_new_cpu(const char *cpu_model, int64_t apic_id, Error **errp) +static X86CPU *pc_new_cpu(const char *cpu_model, int64_t apic_id, + DeviceState *icc_bridge, Error **errp) { X86CPU *cpu; Error *local_err = NULL; - cpu = cpu_x86_create(cpu_model, errp); + cpu = cpu_x86_create(cpu_model, icc_bridge, errp); if (!cpu) { return cpu; } @@ -913,7 +914,7 @@ static X86CPU *pc_new_cpu(const char *cpu_model, int64_t apic_id, Error **errp) return cpu; } -void pc_cpus_init(const char *cpu_model) +void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge) { int i; Error *error = NULL; @@ -928,7 +929,8 @@ void pc_cpus_init(const char *cpu_model) } for (i = 0; i < smp_cpus; i++) { - pc_new_cpu(cpu_model, x86_cpu_apic_id_from_index(i), &error); + pc_new_cpu(cpu_model, x86_cpu_apic_id_from_index(i), + icc_bridge, &error); if (error) { fprintf(stderr, "%s\n", error_get_pretty(error)); error_free(error); diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 51b738a..2190f0a 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -93,7 +93,7 @@ static void pc_init1(MemoryRegion *system_memory, object_property_add_child(qdev_get_machine(), "icc-bridge", OBJECT(icc_bridge), NULL); - pc_cpus_init(cpu_model); + pc_cpus_init(cpu_model, icc_bridge); pc_acpi_init("acpi-dsdt.aml"); if (kvmclock_enabled) { diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 317dd0c..a926e38 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -80,7 +80,7 @@ static void pc_q35_init(QEMUMachineInitArgs *args) object_property_add_child(qdev_get_machine(), "icc-bridge", OBJECT(icc_bridge), NULL); - pc_cpus_init(cpu_model); + pc_cpus_init(cpu_model, icc_bridge); pc_acpi_init("q35-acpi-dsdt.aml"); kvmclock_create(); diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 14b504c..8a6e76c 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -78,7 +78,7 @@ extern int fd_bootchk; void pc_register_ferr_irq(qemu_irq irq); void pc_acpi_smi_interrupt(void *opaque, int irq, int level); -void pc_cpus_init(const char *cpu_model); +void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge); void pc_acpi_init(const char *default_dsdt); void *pc_memory_init(MemoryRegion *system_memory, const char *kernel_filename, diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 0d9493d..94856ec 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -41,6 +41,7 @@ #endif #include "sysemu/sysemu.h" +#include "hw/cpu/icc_bus.h" #ifndef CONFIG_USER_ONLY #include "hw/xen/xen.h" #include "hw/sysbus.h" @@ -1618,7 +1619,8 @@ static void cpu_x86_register(X86CPU *cpu, const char *name, Error **errp) object_property_set_str(OBJECT(cpu), def->model_id, "model-id", errp); } -X86CPU *cpu_x86_create(const char *cpu_model, Error **errp) +X86CPU *cpu_x86_create(const char *cpu_model, DeviceState *icc_bridge, + Error **errp) { X86CPU *cpu = NULL; CPUX86State *env; @@ -1635,6 +1637,10 @@ X86CPU *cpu_x86_create(const char *cpu_model, Error **errp) features = model_pieces[1]; cpu = X86_CPU(object_new(TYPE_X86_CPU)); +#ifndef CONFIG_USER_ONLY + qdev_set_parent_bus(DEVICE(cpu), qdev_get_child_bus(icc_bridge, "icc")); + object_unref(OBJECT(cpu)); +#endif env = &cpu->env; env->cpu_model_str = cpu_model; @@ -1659,7 +1665,7 @@ X86CPU *cpu_x86_init(const char *cpu_model) Error *error = NULL; X86CPU *cpu; - cpu = cpu_x86_create(cpu_model, &error); + cpu = cpu_x86_create(cpu_model, NULL, &error); if (error) { goto out; } @@ -2346,6 +2352,7 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data) xcc->parent_realize = dc->realize; dc->realize = x86_cpu_realizefn; + dc->bus_type = TYPE_ICC_BUS; xcc->parent_reset = cc->reset; cc->reset = x86_cpu_reset; diff --git a/target-i386/cpu.h b/target-i386/cpu.h index ab151d5..f193752 100644 --- a/target-i386/cpu.h +++ b/target-i386/cpu.h @@ -897,7 +897,8 @@ typedef struct CPUX86State { #include "cpu-qom.h" X86CPU *cpu_x86_init(const char *cpu_model); -X86CPU *cpu_x86_create(const char *cpu_model, Error **errp); +X86CPU *cpu_x86_create(const char *cpu_model, DeviceState *icc_bridge, + Error **errp); int cpu_x86_exec(CPUX86State *s); void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf); void x86_cpudef_setup(void);