From nobody Sun Feb 8 19:38:05 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1660126510; cv=none; d=zohomail.com; s=zohoarc; b=M+lAgQh/xeA98CG1JjAGI/4ziUhDk5TYnK9/yfVp9VeFYFeAOuo7Qdfe+tRgRO+vlsGfpXrbhBzf/2jarN+l3quLT8RMr41tPAabqnYqzJw2b4fb17YUfuhoocZoeJDuReETqCHZAytjINh9Qzpq2TqhFPNYmkQnzxHKdb0LSYw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1660126510; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=u503m2SCRYm6s6XAxPT5+3oWEmQoe2DCrk66kmZCz14=; b=LhBiApEmZHI/21cc4Nc4YWo3fWWEtEBudXOrJ6xX9s6VLz0x+MpD445EDXyEDPXvi9by8Ece3pB8gNymS7pwzvZhF1htqnYD4I0j1shV8+5dkpfJ9bJ6ne7dnGTxsMW4+oa00dKrGB9juRYbTLAOLn1zD/EIYeBJCz4esHmQFCE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1660126510910340.5716548127043; Wed, 10 Aug 2022 03:15:10 -0700 (PDT) Received: from localhost ([::1]:43302 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oLik1-0006jY-QW for importer@patchew.org; Wed, 10 Aug 2022 06:15:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34036) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oLiaz-0006o7-Mn; Wed, 10 Aug 2022 06:05:49 -0400 Received: from mail-vk1-xa2a.google.com ([2607:f8b0:4864:20::a2a]:39583) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oLiax-0000s2-Ub; Wed, 10 Aug 2022 06:05:49 -0400 Received: by mail-vk1-xa2a.google.com with SMTP id q191so7146436vkb.6; Wed, 10 Aug 2022 03:05:47 -0700 (PDT) Received: from balboa.COMFAST (201-43-216-47.dsl.telesp.net.br. [201.43.216.47]) by smtp.gmail.com with ESMTPSA id 2-20020a1f1602000000b0037613541b27sm12277919vkw.39.2022.08.10.03.05.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Aug 2022 03:05:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=u503m2SCRYm6s6XAxPT5+3oWEmQoe2DCrk66kmZCz14=; b=mVQmq6NSZ40P5cP+1Fi1F1N1MTgVcqKPJw9M+yQv0yET29NEzat7SUt6MskmR0L20O ju6Vv4UKswzV0EOgXrGa5CKsOiHI9CvAvr6KfdYDNq/FfQt96PsDH5jvVVvb6mRU+9WI SGZ+plmgk1sd5uIlgUsW4o0EFNPY0/OKdgI2O2sh/5UMXykZtjGX9mBAdhVznoxcepKT z+KxoQEi1FxEcnVX+hJuniDqyUzhkC03q3lYui+f0rVMnL2uQ/bB6Fk6nxwf6qTSea3Q hw41z5Gpa1Yd+CBKf3CCpy0iZjbkanC9Rr/dHtrsGht307LD+QK9wUN+xDDjkVIA+BPo yn3g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=u503m2SCRYm6s6XAxPT5+3oWEmQoe2DCrk66kmZCz14=; b=rHfrAX/E9w0L7OxksE2mJC+aHCG+LTo00tmcPUzkYgi+PVHokiyzIYeInD1ZCVPenL bb6IFV51KS0IDSR4hCJoIlKNn7NJEj76+yhP4YpUZCHnj8Y6Q2GC7o0izXJziGQ9I3re p24kyITPRUGo/AXuTDVmnCg61rPP8Cq1SSg1OkdjZQzazZo0CaxxliIXTstMIuk1G6n0 nPwYNx011BVodc+UTf7yxPKniJ2dpLIK6IR+RXr/TNOcUd+O1t0Q1TV/Ujx/t5OkwRtY ocKeN+B6hUtbpmyEs+18vjd4Orbv/hSpHWz2aYxg5/39zI1weMa9dCnI/mHZXfRZ5fWb QQrw== X-Gm-Message-State: ACgBeo07xISKmTz05l21UfFo/Cz8Eejb6F4hK962g2IiGUXprmUMD/nG Tj9Os7t4j0qIMCD94DSSj+k6VFdWtWo= X-Google-Smtp-Source: AA6agR4nJCSoweMQwmpIEVtbgCyBeyNkPGUVpJpLgf3XfsH6nE4H77p90wc3VLp55C6XjkBcMEmkuQ== X-Received: by 2002:a1f:30cb:0:b0:376:486a:7cb6 with SMTP id w194-20020a1f30cb000000b00376486a7cb6mr11097960vkw.29.1660125946474; Wed, 10 Aug 2022 03:05:46 -0700 (PDT) From: Daniel Henrique Barboza To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, clg@kaod.org, fbarrat@linux.ibm.com, Daniel Henrique Barboza Subject: [PATCH for-7.2 v3 02/11] ppc/pnv: add phb-id/chip-id PnvPHB4RootBus properties Date: Wed, 10 Aug 2022 07:05:27 -0300 Message-Id: <20220810100536.473859-3-danielhb413@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220810100536.473859-1-danielhb413@gmail.com> References: <20220810100536.473859-1-danielhb413@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::a2a; envelope-from=danielhb413@gmail.com; helo=mail-vk1-xa2a.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1660126512305100001 The same rationale provided in the PHB3 bus case applies here. Note: we could have merged both buses in a single object, like we did with the root ports, and spare some boilerplate. The reason we opted to preserve both buses objects is twofold: - there's not user side advantage in doing so. Unifying the root ports presents a clear user QOL change when we enable user created devices back. The buses objects, aside from having a different QOM name, is transparent to the user; - we leave a door opened in case we want to increase the root port limit for phb4/5 later on without having to deal with phb3 code. Reviewed-by: C=C3=A9dric Le Goater Signed-off-by: Daniel Henrique Barboza --- hw/pci-host/pnv_phb4.c | 51 ++++++++++++++++++++++++++++++++++ include/hw/pci-host/pnv_phb4.h | 10 +++++++ 2 files changed, 61 insertions(+) diff --git a/hw/pci-host/pnv_phb4.c b/hw/pci-host/pnv_phb4.c index b98c394713..824e1a73fb 100644 --- a/hw/pci-host/pnv_phb4.c +++ b/hw/pci-host/pnv_phb4.c @@ -1551,6 +1551,12 @@ void pnv_phb4_bus_init(DeviceState *dev, PnvPHB4 *ph= b) pnv_phb4_set_irq, pnv_phb4_map_irq, p= hb, &phb->pci_mmio, &phb->pci_io, 0, 4, TYPE_PNV_PHB4_ROOT_BUS); + + object_property_set_int(OBJECT(pci->bus), "phb-id", phb->phb_id, + &error_abort); + object_property_set_int(OBJECT(pci->bus), "chip-id", phb->chip_id, + &error_abort); + pci_setup_iommu(pci->bus, pnv_phb4_dma_iommu, phb); pci->bus->flags |=3D PCI_BUS_EXTENDED_CONFIG_SPACE; } @@ -1708,10 +1714,55 @@ static const TypeInfo pnv_phb5_type_info =3D { .instance_size =3D sizeof(PnvPHB4), }; =20 +static void pnv_phb4_root_bus_get_prop(Object *obj, Visitor *v, + const char *name, + void *opaque, Error **errp) +{ + PnvPHB4RootBus *bus =3D PNV_PHB4_ROOT_BUS(obj); + uint64_t value =3D 0; + + if (strcmp(name, "phb-id") =3D=3D 0) { + value =3D bus->phb_id; + } else { + value =3D bus->chip_id; + } + + visit_type_size(v, name, &value, errp); +} + +static void pnv_phb4_root_bus_set_prop(Object *obj, Visitor *v, + const char *name, + void *opaque, Error **errp) + +{ + PnvPHB4RootBus *bus =3D PNV_PHB4_ROOT_BUS(obj); + uint64_t value; + + if (!visit_type_size(v, name, &value, errp)) { + return; + } + + if (strcmp(name, "phb-id") =3D=3D 0) { + bus->phb_id =3D value; + } else { + bus->chip_id =3D value; + } +} + static void pnv_phb4_root_bus_class_init(ObjectClass *klass, void *data) { BusClass *k =3D BUS_CLASS(klass); =20 + object_class_property_add(klass, "phb-id", "int", + pnv_phb4_root_bus_get_prop, + pnv_phb4_root_bus_set_prop, + NULL, NULL); + + object_class_property_add(klass, "chip-id", "int", + pnv_phb4_root_bus_get_prop, + pnv_phb4_root_bus_set_prop, + NULL, NULL); + /* * PHB4 has only a single root complex. Enforce the limit on the * parent bus diff --git a/include/hw/pci-host/pnv_phb4.h b/include/hw/pci-host/pnv_phb4.h index 20aa4819d3..50d4faa001 100644 --- a/include/hw/pci-host/pnv_phb4.h +++ b/include/hw/pci-host/pnv_phb4.h @@ -45,7 +45,17 @@ typedef struct PnvPhb4DMASpace { QLIST_ENTRY(PnvPhb4DMASpace) list; } PnvPhb4DMASpace; =20 +/* + * PHB4 PCIe Root Bus + */ #define TYPE_PNV_PHB4_ROOT_BUS "pnv-phb4-root" +struct PnvPHB4RootBus { + PCIBus parent; + + uint32_t chip_id; + uint32_t phb_id; +}; +OBJECT_DECLARE_SIMPLE_TYPE(PnvPHB4RootBus, PNV_PHB4_ROOT_BUS) =20 /* * PHB4 PCIe Host Bridge for PowerNV machines (POWER9) --=20 2.36.1