From patchwork Mon Dec 14 04:57:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 11971255 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E65FFC1B0D8 for ; Mon, 14 Dec 2020 04:59:48 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 98F1020709 for ; Mon, 14 Dec 2020 04:59:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 98F1020709 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41148 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kofxa-00072y-H5 for qemu-devel@archiver.kernel.org; Sun, 13 Dec 2020 23:59:46 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:39168) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kofwL-00058S-GG; Sun, 13 Dec 2020 23:58:30 -0500 Received: from bilbo.ozlabs.org ([2401:3900:2:1::2]:46495 helo=ozlabs.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kofwJ-0004pE-Bo; Sun, 13 Dec 2020 23:58:29 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 4CvTfq4Y25z9sTL; Mon, 14 Dec 2020 15:58:11 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1607921891; bh=F0jSsdGyYByMsykK6rCrRY1J+iF6rlo4QopkfvQhxMM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=p09umch0eGWIf4wVQBTY+dRKANdI7JJB4IFUuMME+pT2r1i8ZmcaL0MDiulgKEKC/ zTdU4Hwx8hRU7It8BlZ2WEpntje+5JQISDjom5Hs9aLx37le0yjCEniBx8x9vGErph oCLlYtB0OXso2dJoeu4Mctwn0Xs6FP8I7NFwz7Qs= From: David Gibson To: peter.maydell@linaro.org Subject: [PULL 05/30] spapr: Make PHB placement functions and spapr_pre_plug_phb() return status Date: Mon, 14 Dec 2020 15:57:42 +1100 Message-Id: <20201214045807.41003-6-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201214045807.41003-1-david@gibson.dropbear.id.au> References: <20201214045807.41003-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Received-SPF: pass client-ip=2401:3900:2:1::2; envelope-from=dgibson@ozlabs.org; helo=ozlabs.org X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Gibson , qemu-ppc@nongnu.org, qemu-devel@nongnu.org, groug@kaod.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Greg Kurz Read documentation in "qapi/error.h" and changelog of commit e3fe3988d785 ("error: Document Error API usage rules") for rationale. Signed-off-by: Greg Kurz Message-Id: <20201120234208.683521-7-groug@kaod.org> Signed-off-by: David Gibson --- hw/ppc/spapr.c | 40 +++++++++++++++++++++++----------------- include/hw/ppc/spapr.h | 2 +- 2 files changed, 24 insertions(+), 18 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 9489c57213..28d266f7a7 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3879,7 +3879,7 @@ int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr, return 0; } -static void spapr_phb_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, +static bool spapr_phb_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { SpaprMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev)); @@ -3889,24 +3889,25 @@ static void spapr_phb_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, if (dev->hotplugged && !smc->dr_phb_enabled) { error_setg(errp, "PHB hotplug not supported for this machine"); - return; + return false; } if (sphb->index == (uint32_t)-1) { error_setg(errp, "\"index\" for PAPR PHB is mandatory"); - return; + return false; } /* * This will check that sphb->index doesn't exceed the maximum number of * PHBs for the current machine type. */ - smc->phb_placement(spapr, sphb->index, - &sphb->buid, &sphb->io_win_addr, - &sphb->mem_win_addr, &sphb->mem64_win_addr, - windows_supported, sphb->dma_liobn, - &sphb->nv2_gpa_win_addr, &sphb->nv2_atsd_win_addr, - errp); + return + smc->phb_placement(spapr, sphb->index, + &sphb->buid, &sphb->io_win_addr, + &sphb->mem_win_addr, &sphb->mem64_win_addr, + windows_supported, sphb->dma_liobn, + &sphb->nv2_gpa_win_addr, &sphb->nv2_atsd_win_addr, + errp); } static void spapr_phb_plug(HotplugHandler *hotplug_dev, DeviceState *dev, @@ -4144,7 +4145,7 @@ static const CPUArchIdList *spapr_possible_cpu_arch_ids(MachineState *machine) return machine->possible_cpus; } -static void spapr_phb_placement(SpaprMachineState *spapr, uint32_t index, +static bool spapr_phb_placement(SpaprMachineState *spapr, uint32_t index, uint64_t *buid, hwaddr *pio, hwaddr *mmio32, hwaddr *mmio64, unsigned n_dma, uint32_t *liobns, @@ -4182,7 +4183,7 @@ static void spapr_phb_placement(SpaprMachineState *spapr, uint32_t index, if (index >= SPAPR_MAX_PHBS) { error_setg(errp, "\"index\" for PAPR PHB is too large (max %llu)", SPAPR_MAX_PHBS - 1); - return; + return false; } *buid = base_buid + index; @@ -4196,6 +4197,7 @@ static void spapr_phb_placement(SpaprMachineState *spapr, uint32_t index, *nv2gpa = SPAPR_PCI_NV2RAM64_WIN_BASE + index * SPAPR_PCI_NV2RAM64_WIN_SIZE; *nv2atsd = SPAPR_PCI_NV2ATSD_WIN_BASE + index * SPAPR_PCI_NV2ATSD_WIN_SIZE; + return true; } static ICSState *spapr_ics_get(XICSFabric *dev, int irq) @@ -4586,18 +4588,21 @@ DEFINE_SPAPR_MACHINE(4_1, "4.1", false); /* * pseries-4.0 */ -static void phb_placement_4_0(SpaprMachineState *spapr, uint32_t index, +static bool phb_placement_4_0(SpaprMachineState *spapr, uint32_t index, uint64_t *buid, hwaddr *pio, hwaddr *mmio32, hwaddr *mmio64, unsigned n_dma, uint32_t *liobns, hwaddr *nv2gpa, hwaddr *nv2atsd, Error **errp) { - spapr_phb_placement(spapr, index, buid, pio, mmio32, mmio64, n_dma, liobns, - nv2gpa, nv2atsd, errp); + if (!spapr_phb_placement(spapr, index, buid, pio, mmio32, mmio64, n_dma, + liobns, nv2gpa, nv2atsd, errp)) { + return false; + } + *nv2gpa = 0; *nv2atsd = 0; + return true; } - static void spapr_machine_4_0_class_options(MachineClass *mc) { SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); @@ -4757,7 +4762,7 @@ DEFINE_SPAPR_MACHINE(2_8, "2.8", false); * pseries-2.7 */ -static void phb_placement_2_7(SpaprMachineState *spapr, uint32_t index, +static bool phb_placement_2_7(SpaprMachineState *spapr, uint32_t index, uint64_t *buid, hwaddr *pio, hwaddr *mmio32, hwaddr *mmio64, unsigned n_dma, uint32_t *liobns, @@ -4789,7 +4794,7 @@ static void phb_placement_2_7(SpaprMachineState *spapr, uint32_t index, if (index > max_index) { error_setg(errp, "\"index\" for PAPR PHB is too large (max %u)", max_index); - return; + return false; } *buid = base_buid + index; @@ -4808,6 +4813,7 @@ static void phb_placement_2_7(SpaprMachineState *spapr, uint32_t index, *nv2gpa = 0; *nv2atsd = 0; + return true; } static void spapr_machine_2_7_class_options(MachineClass *mc) diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index 2e89e36cfb..b7ced9faeb 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -140,7 +140,7 @@ struct SpaprMachineClass { bool pre_5_1_assoc_refpoints; bool pre_5_2_numa_associativity; - void (*phb_placement)(SpaprMachineState *spapr, uint32_t index, + bool (*phb_placement)(SpaprMachineState *spapr, uint32_t index, uint64_t *buid, hwaddr *pio, hwaddr *mmio32, hwaddr *mmio64, unsigned n_dma, uint32_t *liobns, hwaddr *nv2gpa,