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-rw-r--r--hw/ppc/spapr.c16
-rw-r--r--hw/ppc/spapr_pci.c14
-rw-r--r--include/hw/pci-host/spapr.h7
3 files changed, 32 insertions, 5 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index e1a9fd7ff3..7a1b8c6f45 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1759,11 +1759,22 @@ static const TypeInfo spapr_machine_info = {
},
};
+#define SPAPR_COMPAT_2_2 \
+ {\
+ .driver = TYPE_SPAPR_PCI_HOST_BRIDGE,\
+ .property = "mem_win_size",\
+ .value = "0x20000000",\
+ }
+
+#define SPAPR_COMPAT_2_1 \
+ SPAPR_COMPAT_2_2
+
static void spapr_machine_2_1_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
static GlobalProperty compat_props[] = {
HW_COMPAT_2_1,
+ SPAPR_COMPAT_2_1,
{ /* end of list */ }
};
@@ -1780,10 +1791,15 @@ static const TypeInfo spapr_machine_2_1_info = {
static void spapr_machine_2_2_class_init(ObjectClass *oc, void *data)
{
+ static GlobalProperty compat_props[] = {
+ SPAPR_COMPAT_2_2,
+ { /* end of list */ }
+ };
MachineClass *mc = MACHINE_CLASS(oc);
mc->name = "pseries-2.2";
mc->desc = "pSeries Logical Partition (PAPR compliant) v2.2";
+ mc->compat_props = compat_props;
}
static const TypeInfo spapr_machine_2_2_info = {
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 6deeb19e3f..cebdeb3516 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -868,6 +868,10 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb,
int bus_off, i, j;
char nodename[256];
uint32_t bus_range[] = { cpu_to_be32(0), cpu_to_be32(0xff) };
+ const uint64_t mmiosize = memory_region_size(&phb->memwindow);
+ const uint64_t w32max = (1ULL << 32) - SPAPR_PCI_MEM_WIN_BUS_OFFSET;
+ const uint64_t w32size = MIN(w32max, mmiosize);
+ const uint64_t w64size = (mmiosize > w32size) ? (mmiosize - w32size) : 0;
struct {
uint32_t hi;
uint64_t child;
@@ -882,9 +886,15 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb,
{
cpu_to_be32(b_ss(2)), cpu_to_be64(SPAPR_PCI_MEM_WIN_BUS_OFFSET),
cpu_to_be64(phb->mem_win_addr),
- cpu_to_be64(memory_region_size(&phb->memwindow)),
+ cpu_to_be64(w32size),
+ },
+ {
+ cpu_to_be32(b_ss(3)), cpu_to_be64(1ULL << 32),
+ cpu_to_be64(phb->mem_win_addr + w32size),
+ cpu_to_be64(w64size)
},
};
+ const unsigned sizeof_ranges = (w64size ? 3 : 2) * sizeof(ranges[0]);
uint64_t bus_reg[] = { cpu_to_be64(phb->buid), 0 };
uint32_t interrupt_map_mask[] = {
cpu_to_be32(b_ddddd(-1)|b_fff(0)), 0x0, 0x0, cpu_to_be32(-1)};
@@ -913,7 +923,7 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb,
_FDT(fdt_setprop_cell(fdt, bus_off, "#interrupt-cells", 0x1));
_FDT(fdt_setprop(fdt, bus_off, "used-by-rtas", NULL, 0));
_FDT(fdt_setprop(fdt, bus_off, "bus-range", &bus_range, sizeof(bus_range)));
- _FDT(fdt_setprop(fdt, bus_off, "ranges", &ranges, sizeof(ranges)));
+ _FDT(fdt_setprop(fdt, bus_off, "ranges", &ranges, sizeof_ranges));
_FDT(fdt_setprop(fdt, bus_off, "reg", &bus_reg, sizeof(bus_reg)));
_FDT(fdt_setprop_cell(fdt, bus_off, "ibm,pci-config-space-type", 0x1));
_FDT(fdt_setprop_cell(fdt, bus_off, "ibm,pe-total-#msi", XICS_IRQS));
diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h
index 876ecf09ea..d725f0e42b 100644
--- a/include/hw/pci-host/spapr.h
+++ b/include/hw/pci-host/spapr.h
@@ -98,17 +98,18 @@ struct sPAPRPHBVFIOState {
#define SPAPR_PCI_BASE_BUID 0x800000020000000ULL
+#define SPAPR_PCI_MEM_WIN_BUS_OFFSET 0x80000000ULL
+
#define SPAPR_PCI_WINDOW_BASE 0x10000000000ULL
#define SPAPR_PCI_WINDOW_SPACING 0x1000000000ULL
#define SPAPR_PCI_MMIO_WIN_OFF 0xA0000000
-#define SPAPR_PCI_MMIO_WIN_SIZE 0x20000000
+#define SPAPR_PCI_MMIO_WIN_SIZE (SPAPR_PCI_WINDOW_SPACING - \
+ SPAPR_PCI_MEM_WIN_BUS_OFFSET)
#define SPAPR_PCI_IO_WIN_OFF 0x80000000
#define SPAPR_PCI_IO_WIN_SIZE 0x10000
#define SPAPR_PCI_MSI_WINDOW 0x40000000000ULL
-#define SPAPR_PCI_MEM_WIN_BUS_OFFSET 0x80000000ULL
-
static inline qemu_irq spapr_phb_lsi_qirq(struct sPAPRPHBState *phb, int pin)
{
return xics_get_qirq(spapr->icp, phb->lsi_table[pin].irq);