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[PULL 10/60] ppc/pnv: turn PnvPHB4 into a PnvPHB backend
From: |
Daniel Henrique Barboza |
Subject: |
[PULL 10/60] ppc/pnv: turn PnvPHB4 into a PnvPHB backend |
Date: |
Wed, 31 Aug 2022 15:49:44 -0300 |
Change the parent type of the PnvPHB4 device to TYPE_PARENT since the
PCI bus is going to be initialized by the PnvPHB parent. Functions that
needs to access the bus via a PnvPHB4 object can do so via the
phb4->phb_base pointer.
pnv_phb4_pec now creates a PnvPHB object.
The powernv9 machine class will create PnvPHB devices with version '4'.
powernv10 will create using version '5'. Both are using global machine
properties in their class_init() to do that.
These changes will benefit us when adding PnvPHB user creatable devices
for powernv9 and powernv10.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Message-Id: <20220624084921.399219-6-danielhb413@gmail.com>
---
hw/pci-host/pnv_phb4.c | 30 +++++-------------------------
hw/pci-host/pnv_phb4_pec.c | 3 +--
hw/ppc/pnv.c | 20 +++++++++++++++++---
include/hw/pci-host/pnv_phb4.h | 5 ++++-
4 files changed, 27 insertions(+), 31 deletions(-)
diff --git a/hw/pci-host/pnv_phb4.c b/hw/pci-host/pnv_phb4.c
index a7425927fb..144c437025 100644
--- a/hw/pci-host/pnv_phb4.c
+++ b/hw/pci-host/pnv_phb4.c
@@ -33,7 +33,7 @@
static PCIDevice *pnv_phb4_find_cfg_dev(PnvPHB4 *phb)
{
- PCIHostState *pci = PCI_HOST_BRIDGE(phb);
+ PCIHostState *pci = PCI_HOST_BRIDGE(phb->phb_base);
uint64_t addr = phb->regs[PHB_CONFIG_ADDRESS >> 3];
uint8_t bus, devfn;
@@ -129,7 +129,7 @@ static uint64_t pnv_phb4_config_read(PnvPHB4 *phb, unsigned
off,
static void pnv_phb4_rc_config_write(PnvPHB4 *phb, unsigned off,
unsigned size, uint64_t val)
{
- PCIHostState *pci = PCI_HOST_BRIDGE(phb);
+ PCIHostState *pci = PCI_HOST_BRIDGE(phb->phb_base);
PCIDevice *pdev;
if (size != 4) {
@@ -150,7 +150,7 @@ static void pnv_phb4_rc_config_write(PnvPHB4 *phb, unsigned
off,
static uint64_t pnv_phb4_rc_config_read(PnvPHB4 *phb, unsigned off,
unsigned size)
{
- PCIHostState *pci = PCI_HOST_BRIDGE(phb);
+ PCIHostState *pci = PCI_HOST_BRIDGE(phb->phb_base);
PCIDevice *pdev;
uint64_t val;
@@ -1558,8 +1558,6 @@ void pnv_phb4_bus_init(DeviceState *dev, PnvPHB4 *phb)
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];
@@ -1573,12 +1571,6 @@ static void pnv_phb4_realize(DeviceState *dev, Error
**errp)
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,
- phb->phb_id, phb->chip_id);
-
/* Setup XIVE Source */
if (phb->big_phb) {
nr_irqs = PNV_PHB4_MAX_INTs;
@@ -1598,16 +1590,6 @@ static void pnv_phb4_realize(DeviceState *dev, Error
**errp)
pnv_phb4_xscom_realize(phb);
}
-static const char *pnv_phb4_root_bus_path(PCIHostState *host_bridge,
- PCIBus *rootbus)
-{
- PnvPHB4 *phb = PNV_PHB4(host_bridge);
-
- snprintf(phb->bus_path, sizeof(phb->bus_path), "00%02x:%02x",
- phb->chip_id, phb->phb_id);
- return phb->bus_path;
-}
-
/*
* Address base trigger mode (POWER10)
*
@@ -1692,19 +1674,17 @@ static Property pnv_phb4_properties[] = {
DEFINE_PROP_UINT32("chip-id", PnvPHB4, chip_id, 0),
DEFINE_PROP_LINK("pec", PnvPHB4, pec, TYPE_PNV_PHB4_PEC,
PnvPhb4PecState *),
+ DEFINE_PROP_LINK("phb-base", PnvPHB4, phb_base, TYPE_PNV_PHB, PnvPHB *),
DEFINE_PROP_END_OF_LIST(),
};
static void pnv_phb4_class_init(ObjectClass *klass, void *data)
{
- PCIHostBridgeClass *hc = PCI_HOST_BRIDGE_CLASS(klass);
DeviceClass *dc = DEVICE_CLASS(klass);
XiveNotifierClass *xfc = XIVE_NOTIFIER_CLASS(klass);
- hc->root_bus_path = pnv_phb4_root_bus_path;
dc->realize = pnv_phb4_realize;
device_class_set_props(dc, pnv_phb4_properties);
- set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
dc->user_creatable = false;
xfc->notify = pnv_phb4_xive_notify;
@@ -1712,7 +1692,7 @@ static void pnv_phb4_class_init(ObjectClass *klass, void
*data)
static const TypeInfo pnv_phb4_type_info = {
.name = TYPE_PNV_PHB4,
- .parent = TYPE_PCIE_HOST_BRIDGE,
+ .parent = TYPE_DEVICE,
.instance_init = pnv_phb4_instance_init,
.instance_size = sizeof(PnvPHB4),
.class_init = pnv_phb4_class_init,
diff --git a/hw/pci-host/pnv_phb4_pec.c b/hw/pci-host/pnv_phb4_pec.c
index c9aaf1c28e..4a0a9fbe8b 100644
--- a/hw/pci-host/pnv_phb4_pec.c
+++ b/hw/pci-host/pnv_phb4_pec.c
@@ -115,8 +115,7 @@ static void pnv_pec_default_phb_realize(PnvPhb4PecState
*pec,
int stack_no,
Error **errp)
{
- PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec);
- PnvPHB4 *phb = PNV_PHB4(qdev_new(pecc->phb_type));
+ PnvPHB *phb = PNV_PHB(qdev_new(TYPE_PNV_PHB));
int phb_id = pnv_phb4_pec_get_phb_id(pec, stack_no);
object_property_add_child(OBJECT(pec), "phb[*]", OBJECT(phb));
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 5b60735c7a..ae6cd14a8a 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -672,11 +672,14 @@ static void pnv_chip_power8_pic_print_info(PnvChip *chip,
Monitor *mon)
static int pnv_chip_power9_pic_print_info_child(Object *child, void *opaque)
{
Monitor *mon = opaque;
- PnvPHB4 *phb4 = (PnvPHB4 *) object_dynamic_cast(child, TYPE_PNV_PHB4);
+ PnvPHB *phb = (PnvPHB *) object_dynamic_cast(child, TYPE_PNV_PHB);
- if (phb4) {
- pnv_phb4_pic_print_info(phb4, mon);
+ if (!phb) {
+ return 0;
}
+
+ pnv_phb4_pic_print_info(PNV_PHB4(phb->backend), mon);
+
return 0;
}
@@ -2147,8 +2150,14 @@ static void pnv_machine_power9_class_init(ObjectClass
*oc, void *data)
PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc);
static const char compat[] = "qemu,powernv9\0ibm,powernv";
+ static GlobalProperty phb_compat[] = {
+ { TYPE_PNV_PHB, "version", "4" },
+ };
+
mc->desc = "IBM PowerNV (Non-Virtualized) POWER9";
mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power9_v2.0");
+ compat_props_add(mc->compat_props, phb_compat, G_N_ELEMENTS(phb_compat));
+
xfc->match_nvt = pnv_match_nvt;
mc->alias = "powernv";
@@ -2165,8 +2174,13 @@ static void pnv_machine_power10_class_init(ObjectClass
*oc, void *data)
XiveFabricClass *xfc = XIVE_FABRIC_CLASS(oc);
static const char compat[] = "qemu,powernv10\0ibm,powernv";
+ static GlobalProperty phb_compat[] = {
+ { TYPE_PNV_PHB, "version", "5" },
+ };
+
mc->desc = "IBM PowerNV (Non-Virtualized) POWER10";
mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power10_v2.0");
+ compat_props_add(mc->compat_props, phb_compat, G_N_ELEMENTS(phb_compat));
pmc->compat = compat;
pmc->compat_size = sizeof(compat);
diff --git a/include/hw/pci-host/pnv_phb4.h b/include/hw/pci-host/pnv_phb4.h
index 90843ac3a9..f22253358f 100644
--- a/include/hw/pci-host/pnv_phb4.h
+++ b/include/hw/pci-host/pnv_phb4.h
@@ -18,6 +18,7 @@
typedef struct PnvPhb4PecState PnvPhb4PecState;
typedef struct PnvPhb4PecStack PnvPhb4PecStack;
typedef struct PnvPHB4 PnvPHB4;
+typedef struct PnvPHB PnvPHB;
typedef struct PnvChip PnvChip;
/*
@@ -78,7 +79,9 @@ OBJECT_DECLARE_SIMPLE_TYPE(PnvPHB4, PNV_PHB4)
#define PCI_MMIO_TOTAL_SIZE (0x1ull << 60)
struct PnvPHB4 {
- PCIExpressHost parent_obj;
+ DeviceState parent;
+
+ PnvPHB *phb_base;
uint32_t chip_id;
uint32_t phb_id;
--
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, 2022/08/31
- [PULL 10/60] ppc/pnv: turn PnvPHB4 into a PnvPHB backend,
Daniel Henrique Barboza <=
- [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
- [PULL 21/60] ppc/pnv: add helpers for pnv-phb user devices, Daniel Henrique Barboza, 2022/08/31