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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2001:4860:4864:20::2a; envelope-from=danielhb413@gmail.com; helo=mail-oa1-x2a.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: 1661972569442100001 Content-Type: text/plain; charset="utf-8" Similar to what we already did for the PnvPHB3 device, let's add a helper to init the bus when using a PnvPHB4. This helper will be used by PnvPHb when PnvPHB4 turns into a backend. Signed-off-by: Daniel Henrique Barboza Reviewed-by: Frederic Barrat Message-Id: <20220624084921.399219-5-danielhb413@gmail.com> --- hw/pci-host/pnv_phb.c | 2 ++ hw/pci-host/pnv_phb4.c | 39 ++++++++++++++++++++-------------- include/hw/pci-host/pnv_phb4.h | 1 + 3 files changed, 26 insertions(+), 16 deletions(-) diff --git a/hw/pci-host/pnv_phb.c b/hw/pci-host/pnv_phb.c index 6fefff7d44..abcbcca445 100644 --- a/hw/pci-host/pnv_phb.c +++ b/hw/pci-host/pnv_phb.c @@ -69,6 +69,8 @@ static void pnv_phb_realize(DeviceState *dev, Error **err= p) =20 if (phb->version =3D=3D 3) { pnv_phb3_bus_init(dev, PNV_PHB3(phb->backend)); + } else { + pnv_phb4_bus_init(dev, PNV_PHB4(phb->backend)); } =20 pnv_phb_attach_root_port(pci, phb_rootport_typename, diff --git a/hw/pci-host/pnv_phb4.c b/hw/pci-host/pnv_phb4.c index 67ddde4a6e..a7425927fb 100644 --- a/hw/pci-host/pnv_phb4.c +++ b/hw/pci-host/pnv_phb4.c @@ -1528,30 +1528,16 @@ static void pnv_phb4_instance_init(Object *obj) object_initialize_child(obj, "source", &phb->xsrc, TYPE_XIVE_SOURCE); } =20 -static void pnv_phb4_realize(DeviceState *dev, Error **errp) +void pnv_phb4_bus_init(DeviceState *dev, PnvPHB4 *phb) { - PnvPHB4 *phb =3D PNV_PHB4(dev); - PnvPhb4PecClass *pecc =3D PNV_PHB4_PEC_GET_CLASS(phb->pec); PCIHostState *pci =3D PCI_HOST_BRIDGE(dev); - XiveSource *xsrc =3D &phb->xsrc; - int nr_irqs; char name[32]; =20 - /* Set the "big_phb" flag */ - phb->big_phb =3D phb->phb_id =3D=3D 0 || phb->phb_id =3D=3D 3; - - /* Controller Registers */ - snprintf(name, sizeof(name), "phb4-%d.%d-regs", phb->chip_id, - phb->phb_id); - memory_region_init_io(&phb->mr_regs, OBJECT(phb), &pnv_phb4_reg_ops, p= hb, - name, 0x2000); - /* * PHB4 doesn't support IO space. However, qemu gets very upset if * we don't have an IO region to anchor IO BARs onto so we just * initialize one which we never hook up to anything */ - snprintf(name, sizeof(name), "phb4-%d.%d-pci-io", phb->chip_id, phb->phb_id); memory_region_init(&phb->pci_io, OBJECT(phb), name, 0x10000); @@ -1561,12 +1547,33 @@ static void pnv_phb4_realize(DeviceState *dev, Erro= r **errp) memory_region_init(&phb->pci_mmio, OBJECT(phb), name, PCI_MMIO_TOTAL_SIZE); =20 - pci->bus =3D pci_register_root_bus(dev, dev->id, + pci->bus =3D pci_register_root_bus(dev, dev->id ? dev->id : NULL, pnv_phb4_set_irq, pnv_phb4_map_irq, p= hb, &phb->pci_mmio, &phb->pci_io, 0, 4, TYPE_PNV_PHB4_ROOT_BUS); pci_setup_iommu(pci->bus, pnv_phb4_dma_iommu, phb); pci->bus->flags |=3D PCI_BUS_EXTENDED_CONFIG_SPACE; +} + +static void pnv_phb4_realize(DeviceState *dev, Error **errp) +{ + PnvPHB4 *phb =3D PNV_PHB4(dev); + PnvPhb4PecClass *pecc =3D PNV_PHB4_PEC_GET_CLASS(phb->pec); + PCIHostState *pci =3D PCI_HOST_BRIDGE(dev); + XiveSource *xsrc =3D &phb->xsrc; + int nr_irqs; + char name[32]; + + /* Set the "big_phb" flag */ + phb->big_phb =3D phb->phb_id =3D=3D 0 || phb->phb_id =3D=3D 3; + + /* Controller Registers */ + snprintf(name, sizeof(name), "phb4-%d.%d-regs", phb->chip_id, + phb->phb_id); + memory_region_init_io(&phb->mr_regs, OBJECT(phb), &pnv_phb4_reg_ops, p= hb, + name, 0x2000); + + pnv_phb4_bus_init(dev, phb); =20 /* Add a single Root port if running with defaults */ pnv_phb_attach_root_port(pci, pecc->rp_model, diff --git a/include/hw/pci-host/pnv_phb4.h b/include/hw/pci-host/pnv_phb4.h index 19dcbd6f87..90843ac3a9 100644 --- a/include/hw/pci-host/pnv_phb4.h +++ b/include/hw/pci-host/pnv_phb4.h @@ -157,6 +157,7 @@ struct PnvPHB4 { =20 void pnv_phb4_pic_print_info(PnvPHB4 *phb, Monitor *mon); int pnv_phb4_pec_get_phb_id(PnvPhb4PecState *pec, int stack_index); +void pnv_phb4_bus_init(DeviceState *dev, PnvPHB4 *phb); extern const MemoryRegionOps pnv_phb4_xscom_ops; =20 /* --=20 2.37.2