From patchwork Thu Sep 22 06:37:33 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 9344645 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3A55F601C2 for ; Thu, 22 Sep 2016 07:23:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 274102A765 for ; Thu, 22 Sep 2016 07:23:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1BF3A2A76A; Thu, 22 Sep 2016 07:23:59 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id F00402A765 for ; Thu, 22 Sep 2016 07:23:56 +0000 (UTC) Received: from localhost ([::1]:56293 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bmyMH-000247-Dw for patchwork-qemu-devel@patchwork.kernel.org; Thu, 22 Sep 2016 03:23:49 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52402) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bmxeW-0007gW-EV for qemu-devel@nongnu.org; Thu, 22 Sep 2016 02:38:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bmxeR-0006Qo-OA for qemu-devel@nongnu.org; Thu, 22 Sep 2016 02:38:36 -0400 Received: from ozlabs.org ([103.22.144.67]:37351) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bmxeQ-0006Hs-TG; Thu, 22 Sep 2016 02:38:31 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 3sfmyb65Lpz9vDp; Thu, 22 Sep 2016 16:37:58 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1474526279; bh=K7Ms3+agDhkyxMGRJQyFACvECpfvxIOD9wxzwYiDgSM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ijSKlQq+c0MERztWWDvCEfc/KJCyABx/NUNWzK+VzDqiZvfd3RC8mDAG2Dpm5xvdC z2VG9dfu/DDbMYukC/1JE5vDnoQIcKffJ0hTjLE7yCcO59lKQAxDW6RmLUyg14IwMu s+KWBgl+MbZY17g2Ecs0ZqeB6wjB4cWtg2Wa6Ybs= From: David Gibson To: peter.maydell@linaro.org Date: Thu, 22 Sep 2016 16:37:33 +1000 Message-Id: <1474526262-27011-36-git-send-email-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1474526262-27011-1-git-send-email-david@gibson.dropbear.id.au> References: <1474526262-27011-1-git-send-email-david@gibson.dropbear.id.au> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 103.22.144.67 Subject: [Qemu-devel] [PULL 35/44] spapr: Introduce sPAPRCPUCoreClass 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: Bharata B Rao , qemu-ppc@nongnu.org, agraf@suse.de, David Gibson , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Bharata B Rao Each spapr cpu core type defines an instance_init routine which just populates the CPU class name. This can be done in the class_init commonly for all core types which simplifies the registration. This is inspired by how PowerNV core types are registered. Certain types of spapr cpu cores ('host' and generic type based on host CPU) are initialized in target-ppc/kvm.c. To convert these type registrations to use class_init, we need to expose spapr_cpu_core_class_init() outside of spapr_cpu_core.c. Commit d11b268e1765 added a generic sPAPR CPU core family type to support cases like POWER8 CPU type on POWER8E host CPU. Switching to class_init would fix such scenarios to use the right CPU thread type instead of defaulting to host-powerpc64-cpu. In an unrelated cleanup, fix a typo in .get_hotplug_handler routine. Signed-off-by: Bharata B Rao Signed-off-by: David Gibson --- hw/ppc/spapr.c | 6 +-- hw/ppc/spapr_cpu_core.c | 104 +++++++++++++++------------------------- include/hw/ppc/spapr_cpu_core.h | 11 ++++- target-ppc/kvm.c | 22 +++------ 4 files changed, 57 insertions(+), 86 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index ca77bb0..79d36b3 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -2312,8 +2312,8 @@ static void spapr_machine_device_pre_plug(HotplugHandler *hotplug_dev, } } -static HotplugHandler *spapr_get_hotpug_handler(MachineState *machine, - DeviceState *dev) +static HotplugHandler *spapr_get_hotplug_handler(MachineState *machine, + DeviceState *dev) { if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) || object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) { @@ -2385,7 +2385,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data) mc->kvm_type = spapr_kvm_type; mc->has_dynamic_sysbus = true; mc->pci_allow_0_address = true; - mc->get_hotplug_handler = spapr_get_hotpug_handler; + mc->get_hotplug_handler = spapr_get_hotplug_handler; hc->pre_plug = spapr_machine_device_pre_plug; hc->plug = spapr_machine_device_plug; hc->unplug = spapr_machine_device_unplug; diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c index bcb483d..6f0533c 100644 --- a/hw/ppc/spapr_cpu_core.c +++ b/hw/ppc/spapr_cpu_core.c @@ -112,7 +112,8 @@ char *spapr_get_cpu_core_type(const char *model) static void spapr_core_release(DeviceState *dev, void *opaque) { sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev)); - const char *typename = object_class_get_name(sc->cpu_class); + sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(dev)); + const char *typename = object_class_get_name(scc->cpu_class); size_t size = object_type_get_instance_size(typename); sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); CPUCore *cc = CPU_CORE(dev); @@ -287,8 +288,9 @@ static void spapr_cpu_core_realize_child(Object *child, Error **errp) static void spapr_cpu_core_realize(DeviceState *dev, Error **errp) { sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev)); + sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(dev)); CPUCore *cc = CPU_CORE(OBJECT(dev)); - const char *typename = object_class_get_name(sc->cpu_class); + const char *typename = object_class_get_name(scc->cpu_class); size_t size = object_type_get_instance_size(typename); Error *local_err = NULL; void *obj; @@ -331,83 +333,43 @@ err: error_propagate(errp, local_err); } -static void spapr_cpu_core_class_init(ObjectClass *oc, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(oc); - dc->realize = spapr_cpu_core_realize; -} - -/* - * instance_init routines from different flavours of sPAPR CPU cores. - */ -#define SPAPR_CPU_CORE_INITFN(_type, _fname) \ -static void glue(glue(spapr_cpu_core_, _fname), _initfn(Object *obj)) \ -{ \ - sPAPRCPUCore *core = SPAPR_CPU_CORE(obj); \ - char *name = g_strdup_printf("%s-" TYPE_POWERPC_CPU, stringify(_type)); \ - ObjectClass *oc = object_class_by_name(name); \ - g_assert(oc); \ - g_free((void *)name); \ - core->cpu_class = oc; \ -} - -SPAPR_CPU_CORE_INITFN(970mp_v1.0, 970MP_v10); -SPAPR_CPU_CORE_INITFN(970mp_v1.1, 970MP_v11); -SPAPR_CPU_CORE_INITFN(970_v2.2, 970); -SPAPR_CPU_CORE_INITFN(POWER5+_v2.1, POWER5plus); -SPAPR_CPU_CORE_INITFN(POWER7_v2.3, POWER7); -SPAPR_CPU_CORE_INITFN(POWER7+_v2.1, POWER7plus); -SPAPR_CPU_CORE_INITFN(POWER8_v2.0, POWER8); -SPAPR_CPU_CORE_INITFN(POWER8E_v2.1, POWER8E); -SPAPR_CPU_CORE_INITFN(POWER8NVL_v1.0, POWER8NVL); - -typedef struct SPAPRCoreInfo { - const char *name; - void (*initfn)(Object *obj); -} SPAPRCoreInfo; - -static const SPAPRCoreInfo spapr_cores[] = { +static const char *spapr_core_models[] = { /* 970 */ - { .name = "970_v2.2", .initfn = spapr_cpu_core_970_initfn }, + "970_v2.2", /* 970MP variants */ - { .name = "970MP_v1.0", .initfn = spapr_cpu_core_970MP_v10_initfn }, - { .name = "970mp_v1.0", .initfn = spapr_cpu_core_970MP_v10_initfn }, - { .name = "970MP_v1.1", .initfn = spapr_cpu_core_970MP_v11_initfn }, - { .name = "970mp_v1.1", .initfn = spapr_cpu_core_970MP_v11_initfn }, + "970MP_v1.0", + "970mp_v1.0", + "970MP_v1.1", + "970mp_v1.1", /* POWER5+ */ - { .name = "POWER5+_v2.1", .initfn = spapr_cpu_core_POWER5plus_initfn }, + "POWER5+_v2.1", /* POWER7 */ - { .name = "POWER7_v2.3", .initfn = spapr_cpu_core_POWER7_initfn }, + "POWER7_v2.3", /* POWER7+ */ - { .name = "POWER7+_v2.1", .initfn = spapr_cpu_core_POWER7plus_initfn }, + "POWER7+_v2.1", /* POWER8 */ - { .name = "POWER8_v2.0", .initfn = spapr_cpu_core_POWER8_initfn }, + "POWER8_v2.0", /* POWER8E */ - { .name = "POWER8E_v2.1", .initfn = spapr_cpu_core_POWER8E_initfn }, + "POWER8E_v2.1", /* POWER8NVL */ - { .name = "POWER8NVL_v1.0", .initfn = spapr_cpu_core_POWER8NVL_initfn }, - - { .name = NULL } + "POWER8NVL_v1.0", }; -static void spapr_cpu_core_register(const SPAPRCoreInfo *info) +void spapr_cpu_core_class_init(ObjectClass *oc, void *data) { - TypeInfo type_info = { - .parent = TYPE_SPAPR_CPU_CORE, - .instance_size = sizeof(sPAPRCPUCore), - .instance_init = info->initfn, - }; - - type_info.name = g_strdup_printf("%s-" TYPE_SPAPR_CPU_CORE, info->name); - type_register(&type_info); - g_free((void *)type_info.name); + DeviceClass *dc = DEVICE_CLASS(oc); + sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_CLASS(oc); + + dc->realize = spapr_cpu_core_realize; + scc->cpu_class = cpu_class_by_name(TYPE_POWERPC_CPU, data); + g_assert(scc->cpu_class); } static const TypeInfo spapr_cpu_core_type_info = { @@ -415,17 +377,27 @@ static const TypeInfo spapr_cpu_core_type_info = { .parent = TYPE_CPU_CORE, .abstract = true, .instance_size = sizeof(sPAPRCPUCore), - .class_init = spapr_cpu_core_class_init, + .class_size = sizeof(sPAPRCPUCoreClass), }; static void spapr_cpu_core_register_types(void) { - const SPAPRCoreInfo *info = spapr_cores; + int i; type_register_static(&spapr_cpu_core_type_info); - while (info->name) { - spapr_cpu_core_register(info); - info++; + + for (i = 0; i < ARRAY_SIZE(spapr_core_models); i++) { + TypeInfo type_info = { + .parent = TYPE_SPAPR_CPU_CORE, + .instance_size = sizeof(sPAPRCPUCore), + .class_init = spapr_cpu_core_class_init, + .class_data = (void *) spapr_core_models[i], + }; + + type_info.name = g_strdup_printf("%s-" TYPE_SPAPR_CPU_CORE, + spapr_core_models[i]); + type_register(&type_info); + g_free((void *)type_info.name); } } diff --git a/include/hw/ppc/spapr_cpu_core.h b/include/hw/ppc/spapr_cpu_core.h index 1c9b319..283969b 100644 --- a/include/hw/ppc/spapr_cpu_core.h +++ b/include/hw/ppc/spapr_cpu_core.h @@ -16,6 +16,10 @@ #define TYPE_SPAPR_CPU_CORE "spapr-cpu-core" #define SPAPR_CPU_CORE(obj) \ OBJECT_CHECK(sPAPRCPUCore, (obj), TYPE_SPAPR_CPU_CORE) +#define SPAPR_CPU_CORE_CLASS(klass) \ + OBJECT_CLASS_CHECK(sPAPRCPUCoreClass, (klass), TYPE_SPAPR_CPU_CORE) +#define SPAPR_CPU_CORE_GET_CLASS(obj) \ + OBJECT_GET_CLASS(sPAPRCPUCoreClass, (obj), TYPE_SPAPR_CPU_CORE) typedef struct sPAPRCPUCore { /*< private >*/ @@ -23,9 +27,13 @@ typedef struct sPAPRCPUCore { /*< public >*/ void *threads; - ObjectClass *cpu_class; } sPAPRCPUCore; +typedef struct sPAPRCPUCoreClass { + DeviceClass parent_class; + ObjectClass *cpu_class; +} sPAPRCPUCoreClass; + void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp); char *spapr_get_cpu_core_type(const char *model); @@ -33,4 +41,5 @@ void spapr_core_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp); void spapr_core_unplug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp); +void spapr_cpu_core_class_init(ObjectClass *oc, void *data); #endif diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c index dcb68b9..4457337 100644 --- a/target-ppc/kvm.c +++ b/target-ppc/kvm.c @@ -36,6 +36,7 @@ #include "hw/sysbus.h" #include "hw/ppc/spapr.h" #include "hw/ppc/spapr_vio.h" +#include "hw/ppc/spapr_cpu_core.h" #include "hw/ppc/ppc.h" #include "sysemu/watchdog.h" #include "trace.h" @@ -2364,19 +2365,6 @@ PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void) return pvr_pcc; } -#if defined(TARGET_PPC64) -static void spapr_cpu_core_host_initfn(Object *obj) -{ - sPAPRCPUCore *core = SPAPR_CPU_CORE(obj); - char *name = g_strdup_printf("%s-" TYPE_POWERPC_CPU, "host"); - ObjectClass *oc = object_class_by_name(name); - - g_assert(oc); - g_free((void *)name); - core->cpu_class = oc; -} -#endif - static int kvm_ppc_register_host_cpu_type(void) { TypeInfo type_info = { @@ -2404,14 +2392,16 @@ static int kvm_ppc_register_host_cpu_type(void) #if defined(TARGET_PPC64) type_info.name = g_strdup_printf("%s-"TYPE_SPAPR_CPU_CORE, "host"); type_info.parent = TYPE_SPAPR_CPU_CORE, - type_info.instance_size = sizeof(sPAPRCPUCore), - type_info.instance_init = spapr_cpu_core_host_initfn, - type_info.class_init = NULL; + type_info.instance_size = sizeof(sPAPRCPUCore); + type_info.instance_init = NULL; + type_info.class_init = spapr_cpu_core_class_init; + type_info.class_data = (void *) "host"; type_register(&type_info); g_free((void *)type_info.name); /* Register generic spapr CPU family class for current host CPU type */ type_info.name = g_strdup_printf("%s-"TYPE_SPAPR_CPU_CORE, dc->desc); + type_info.class_data = (void *) dc->desc; type_register(&type_info); g_free((void *)type_info.name); #endif