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[PULL 09/60] ppc/pnv: add PHB4 bus init helper
From: |
Daniel Henrique Barboza |
Subject: |
[PULL 09/60] ppc/pnv: add PHB4 bus init helper |
Date: |
Wed, 31 Aug 2022 15:49:43 -0300 |
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 <danielhb413@gmail.com>
Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
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 **errp)
if (phb->version == 3) {
pnv_phb3_bus_init(dev, PNV_PHB3(phb->backend));
+ } else {
+ pnv_phb4_bus_init(dev, PNV_PHB4(phb->backend));
}
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);
}
-static void pnv_phb4_realize(DeviceState *dev, Error **errp)
+void pnv_phb4_bus_init(DeviceState *dev, PnvPHB4 *phb)
{
- PnvPHB4 *phb = PNV_PHB4(dev);
- PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(phb->pec);
PCIHostState *pci = PCI_HOST_BRIDGE(dev);
- XiveSource *xsrc = &phb->xsrc;
- int nr_irqs;
char name[32];
- /* Set the "big_phb" flag */
- phb->big_phb = phb->phb_id == 0 || phb->phb_id == 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, phb,
- 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, Error
**errp)
memory_region_init(&phb->pci_mmio, OBJECT(phb), name,
PCI_MMIO_TOTAL_SIZE);
- pci->bus = pci_register_root_bus(dev, dev->id,
+ pci->bus = pci_register_root_bus(dev, dev->id ? dev->id : NULL,
pnv_phb4_set_irq, pnv_phb4_map_irq, phb,
&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 |= PCI_BUS_EXTENDED_CONFIG_SPACE;
+}
+
+static void pnv_phb4_realize(DeviceState *dev, Error **errp)
+{
+ PnvPHB4 *phb = PNV_PHB4(dev);
+ PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(phb->pec);
+ PCIHostState *pci = PCI_HOST_BRIDGE(dev);
+ XiveSource *xsrc = &phb->xsrc;
+ int nr_irqs;
+ char name[32];
+
+ /* Set the "big_phb" flag */
+ phb->big_phb = phb->phb_id == 0 || phb->phb_id == 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, phb,
+ name, 0x2000);
+
+ pnv_phb4_bus_init(dev, phb);
/* 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 {
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;
/*
--
2.37.2
- [PULL 00/60] ppc queue, Daniel Henrique Barboza, 2022/08/31
- [PULL 02/60] target/ppc: Fix host PVR matching for KVM, Daniel Henrique Barboza, 2022/08/31
- [PULL 03/60] ppc/pnv: Add initial P9/10 SBE model, Daniel Henrique Barboza, 2022/08/31
- [PULL 04/60] fpu: Add rebias bool, value and operation, Daniel Henrique Barboza, 2022/08/31
- [PULL 05/60] target/ppc: Bugfix FP when OE/UE are set, Daniel Henrique Barboza, 2022/08/31
- [PULL 01/60] pseries: Update SLOF firmware image, Daniel Henrique Barboza, 2022/08/31
- [PULL 06/60] ppc/pnv: add PHB3 bus init helper, Daniel Henrique Barboza, 2022/08/31
- [PULL 07/60] ppc/pnv: add PnvPHB base/proxy device, Daniel Henrique Barboza, 2022/08/31
- [PULL 08/60] ppc/pnv: turn PnvPHB3 into a PnvPHB backend, Daniel Henrique Barboza, 2022/08/31
- [PULL 09/60] ppc/pnv: add PHB4 bus init helper,
Daniel Henrique Barboza <=
- [PULL 10/60] ppc/pnv: turn PnvPHB4 into a PnvPHB backend, Daniel Henrique Barboza, 2022/08/31
- [PULL 11/60] ppc/pnv: add pnv-phb-root-port device, Daniel Henrique Barboza, 2022/08/31
- [PULL 12/60] ppc/pnv: remove pnv-phb3-root-port, Daniel Henrique Barboza, 2022/08/31
- [PULL 13/60] ppc/pnv: remove pnv-phb4-root-port, Daniel Henrique Barboza, 2022/08/31
- [PULL 15/60] ppc/pnv: remove pecc->rp_model, Daniel Henrique Barboza, 2022/08/31
- [PULL 14/60] ppc/pnv: remove root port name from pnv_phb_attach_root_port(), Daniel Henrique Barboza, 2022/08/31
- [PULL 16/60] ppc/pnv: remove PnvPHB4.version, Daniel Henrique Barboza, 2022/08/31
- [PULL 17/60] ppc/pnv: move attach_root_port helper to pnv-phb.c, Daniel Henrique Barboza, 2022/08/31
- [PULL 18/60] ppc/pnv: add phb-id/chip-id PnvPHB3RootBus properties, Daniel Henrique Barboza, 2022/08/31
- [PULL 20/60] ppc/pnv: set root port chassis and slot using Bus properties, Daniel Henrique Barboza, 2022/08/31