From patchwork Thu Jun 14 01:04:40 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 929162 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="mWa2Atp5"; dkim-atps=neutral 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 415lmx2sZNz9ry1 for ; Thu, 14 Jun 2018 11:06:09 +1000 (AEST) Received: from localhost ([::1]:37562 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fTGiE-0003C1-VP for incoming@patchwork.ozlabs.org; Wed, 13 Jun 2018 21:06:07 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46118) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fTGh6-0002lT-W8 for qemu-devel@nongnu.org; Wed, 13 Jun 2018 21:04:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fTGh4-0001d4-AA for qemu-devel@nongnu.org; Wed, 13 Jun 2018 21:04:56 -0400 Received: from ozlabs.org ([203.11.71.1]:60109) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fTGh3-0001b9-MI; Wed, 13 Jun 2018 21:04:54 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 415llQ1PQZz9s4b; Thu, 14 Jun 2018 11:04:49 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1528938290; bh=YLgjWBQ97yjmG1PBFGBoNRLbAFZGw9/B3d6bXPCaeXo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mWa2Atp550m5LQEj97105y5zYI8ToKK7lMArm/aPcAqjjsu0LRBQFWvqqSGjk8c5R qqIlSdIzvDEaIt/r+gEX7aVzo5lRQvcL25ZiDioxYl8y2Yvz4EcIvd7dfHnSWyVmDc LN7qPhPE3vclTDQQrlTogNk0ZyMrc2xbaTmarK/I= From: David Gibson To: groug@kaod.org Date: Thu, 14 Jun 2018 11:04:40 +1000 Message-Id: <20180614010446.30854-2-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180614010446.30854-1-david@gibson.dropbear.id.au> References: <20180614010446.30854-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 203.11.71.1 Subject: [Qemu-devel] [PATCHv2 1/7] spapr: Clean up cpu realize/unrealize paths 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: David Gibson , qemu-ppc@nongnu.org, clg@kaod.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" spapr_cpu_init() and spapr_cpu_destroy() are only called from the spapr cpu core realize/unrealize paths, and really can only be called from there. Those are all short functions, so fold the pairs together for simplicity. While we're there rename some functions and change some parameter types for brevity and clarity. Signed-off-by: David Gibson Reviewed-by: Cédric Le Goater Reviewed-by: Greg Kurz --- hw/ppc/spapr_cpu_core.c | 69 +++++++++++++++-------------------------- 1 file changed, 25 insertions(+), 44 deletions(-) diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c index f3e9b879b2..7fdb3b6667 100644 --- a/hw/ppc/spapr_cpu_core.c +++ b/hw/ppc/spapr_cpu_core.c @@ -83,26 +83,6 @@ void spapr_cpu_set_entry_state(PowerPCCPU *cpu, target_ulong nip, target_ulong r ppc_store_lpcr(cpu, env->spr[SPR_LPCR] | pcc->lpcr_pm); } -static void spapr_cpu_destroy(PowerPCCPU *cpu) -{ - qemu_unregister_reset(spapr_cpu_reset, cpu); -} - -static void spapr_cpu_init(sPAPRMachineState *spapr, PowerPCCPU *cpu, - Error **errp) -{ - CPUPPCState *env = &cpu->env; - - /* Set time-base frequency to 512 MHz */ - cpu_ppc_tb_init(env, SPAPR_TIMEBASE_FREQ); - - cpu_ppc_set_vhyp(cpu, PPC_VIRTUAL_HYPERVISOR(spapr)); - kvmppc_set_papr(cpu); - - qemu_register_reset(spapr_cpu_reset, cpu); - spapr_cpu_reset(cpu); -} - /* * Return the sPAPR CPU core type for @model which essentially is the CPU * model specified with -cpu cmdline option. @@ -122,44 +102,47 @@ const char *spapr_get_cpu_core_type(const char *cpu_type) return object_class_get_name(oc); } -static void spapr_cpu_core_unrealizefn(DeviceState *dev, Error **errp) +static void spapr_unrealize_vcpu(PowerPCCPU *cpu) +{ + qemu_unregister_reset(spapr_cpu_reset, cpu); + object_unparent(cpu->intc); + cpu_remove_sync(CPU(cpu)); + object_unparent(OBJECT(cpu)); +} + +static void spapr_cpu_core_unrealize(DeviceState *dev, Error **errp) { sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev)); CPUCore *cc = CPU_CORE(dev); int i; for (i = 0; i < cc->nr_threads; i++) { - Object *obj = OBJECT(sc->threads[i]); - DeviceState *dev = DEVICE(obj); - CPUState *cs = CPU(dev); - PowerPCCPU *cpu = POWERPC_CPU(cs); - - spapr_cpu_destroy(cpu); - object_unparent(cpu->intc); - cpu_remove_sync(cs); - object_unparent(obj); + spapr_unrealize_vcpu(sc->threads[i]); } g_free(sc->threads); } -static void spapr_cpu_core_realize_child(Object *child, - sPAPRMachineState *spapr, Error **errp) +static void spapr_realize_vcpu(PowerPCCPU *cpu, sPAPRMachineState *spapr, + Error **errp) { + CPUPPCState *env = &cpu->env; Error *local_err = NULL; - CPUState *cs = CPU(child); - PowerPCCPU *cpu = POWERPC_CPU(cs); - object_property_set_bool(child, true, "realized", &local_err); + object_property_set_bool(OBJECT(cpu), true, "realized", &local_err); if (local_err) { goto error; } - spapr_cpu_init(spapr, cpu, &local_err); - if (local_err) { - goto error; - } + /* Set time-base frequency to 512 MHz */ + cpu_ppc_tb_init(env, SPAPR_TIMEBASE_FREQ); + + cpu_ppc_set_vhyp(cpu, PPC_VIRTUAL_HYPERVISOR(spapr)); + kvmppc_set_papr(cpu); - cpu->intc = icp_create(child, spapr->icp_type, XICS_FABRIC(spapr), + qemu_register_reset(spapr_cpu_reset, cpu); + spapr_cpu_reset(cpu); + + cpu->intc = icp_create(OBJECT(cpu), spapr->icp_type, XICS_FABRIC(spapr), &local_err); if (local_err) { goto error; @@ -220,9 +203,7 @@ static void spapr_cpu_core_realize(DeviceState *dev, Error **errp) } for (j = 0; j < cc->nr_threads; j++) { - obj = OBJECT(sc->threads[j]); - - spapr_cpu_core_realize_child(obj, spapr, &local_err); + spapr_realize_vcpu(sc->threads[j], spapr, &local_err); if (local_err) { goto err; } @@ -249,7 +230,7 @@ static void spapr_cpu_core_class_init(ObjectClass *oc, void *data) sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_CLASS(oc); dc->realize = spapr_cpu_core_realize; - dc->unrealize = spapr_cpu_core_unrealizefn; + dc->unrealize = spapr_cpu_core_unrealize; dc->props = spapr_cpu_core_properties; scc->cpu_type = data; }