diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index c9623600c2..99867b5e6d 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1267,7 +1267,7 @@ static void *spapr_build_fdt(SpaprMachineState *spapr) } QLIST_FOREACH(phb, &spapr->phbs, list) { - ret = spapr_dt_phb(phb, PHANDLE_INTC, fdt, spapr->irq->nr_msis, NULL); + ret = spapr_dt_phb(spapr, phb, PHANDLE_INTC, fdt, NULL); if (ret < 0) { error_report("couldn't setup PCI devices in fdt"); exit(1); @@ -3905,8 +3905,7 @@ int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr, return -1; } - if (spapr_dt_phb(sphb, intc_phandle, fdt, spapr->irq->nr_msis, - fdt_start_offset)) { + if (spapr_dt_phb(spapr, sphb, intc_phandle, fdt, fdt_start_offset)) { error_setg(errp, "unable to create FDT node for PHB %d", sphb->index); return -1; } diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c index f3d18b1dad..be90d36333 100644 --- a/hw/ppc/spapr_irq.c +++ b/hw/ppc/spapr_irq.c @@ -29,9 +29,14 @@ static const TypeInfo spapr_intc_info = { .class_size = sizeof(SpaprInterruptControllerClass), }; -void spapr_irq_msi_init(SpaprMachineState *spapr, uint32_t nr_msis) +static void spapr_irq_msi_init(SpaprMachineState *spapr) { - spapr->irq_map_nr = nr_msis; + if (SPAPR_MACHINE_GET_CLASS(spapr)->legacy_irq_allocation) { + /* Legacy mode doesn't use this allocator */ + return; + } + + spapr->irq_map_nr = spapr_irq_nr_msis(spapr); spapr->irq_map = bitmap_new(spapr->irq_map_nr); } @@ -102,7 +107,6 @@ int spapr_irq_init_kvm(int (*fn)(SpaprInterruptController *, Error **), SpaprIrq spapr_irq_xics = { .nr_xirqs = SPAPR_NR_XIRQS, - .nr_msis = SPAPR_NR_MSIS, .xics = true, .xive = false, }; @@ -113,7 +117,6 @@ SpaprIrq spapr_irq_xics = { SpaprIrq spapr_irq_xive = { .nr_xirqs = SPAPR_NR_XIRQS, - .nr_msis = SPAPR_NR_MSIS, .xics = false, .xive = true, }; @@ -132,7 +135,6 @@ SpaprIrq spapr_irq_xive = { */ SpaprIrq spapr_irq_dual = { .nr_xirqs = SPAPR_NR_XIRQS, - .nr_msis = SPAPR_NR_MSIS, .xics = true, .xive = true, }; @@ -247,6 +249,15 @@ void spapr_irq_dt(SpaprMachineState *spapr, uint32_t nr_servers, sicc->dt(spapr->active_intc, nr_servers, fdt, phandle); } +uint32_t spapr_irq_nr_msis(SpaprMachineState *spapr) +{ + if (SPAPR_MACHINE_GET_CLASS(spapr)->legacy_irq_allocation) { + return spapr->irq->nr_xirqs; + } else { + return SPAPR_XIRQ_BASE + spapr->irq->nr_xirqs - SPAPR_IRQ_MSI; + } +} + void spapr_irq_init(SpaprMachineState *spapr, Error **errp) { MachineState *machine = MACHINE(spapr); @@ -267,9 +278,7 @@ void spapr_irq_init(SpaprMachineState *spapr, Error **errp) } /* Initialize the MSI IRQ allocator. */ - if (!SPAPR_MACHINE_GET_CLASS(spapr)->legacy_irq_allocation) { - spapr_irq_msi_init(spapr, spapr->irq->nr_msis); - } + spapr_irq_msi_init(spapr); if (spapr->irq->xics) { Error *local_err = NULL; @@ -551,7 +560,6 @@ int spapr_irq_find(SpaprMachineState *spapr, int num, bool align, Error **errp) SpaprIrq spapr_irq_xics_legacy = { .nr_xirqs = SPAPR_IRQ_XICS_LEGACY_NR_XIRQS, - .nr_msis = SPAPR_IRQ_XICS_LEGACY_NR_XIRQS, .xics = true, .xive = false, }; diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 01ff41d4c4..cc0e7829b6 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -2277,8 +2277,8 @@ static void spapr_phb_pci_enumerate(SpaprPhbState *phb) } -int spapr_dt_phb(SpaprPhbState *phb, uint32_t intc_phandle, void *fdt, - uint32_t nr_msis, int *node_offset) +int spapr_dt_phb(SpaprMachineState *spapr, SpaprPhbState *phb, + uint32_t intc_phandle, void *fdt, int *node_offset) { int bus_off, i, j, ret; uint32_t bus_range[] = { cpu_to_be32(0), cpu_to_be32(0xff) }; @@ -2343,7 +2343,8 @@ int spapr_dt_phb(SpaprPhbState *phb, uint32_t intc_phandle, void *fdt, _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", nr_msis)); + _FDT(fdt_setprop_cell(fdt, bus_off, "ibm,pe-total-#msi", + spapr_irq_nr_msis(spapr))); /* Dynamic DMA window */ if (phb->ddw_enabled) { diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h index 23506f05d9..8877ff51fb 100644 --- a/include/hw/pci-host/spapr.h +++ b/include/hw/pci-host/spapr.h @@ -128,8 +128,8 @@ struct SpaprPhbState { #define SPAPR_PCI_NV2ATSD_WIN_SIZE (NVGPU_MAX_NUM * NVGPU_MAX_LINKS * \ 64 * KiB) -int spapr_dt_phb(SpaprPhbState *phb, uint32_t intc_phandle, void *fdt, - uint32_t nr_msis, int *node_offset); +int spapr_dt_phb(SpaprMachineState *spapr, SpaprPhbState *phb, + uint32_t intc_phandle, void *fdt, int *node_offset); void spapr_pci_rtas_init(void); diff --git a/include/hw/ppc/spapr_irq.h b/include/hw/ppc/spapr_irq.h index 08173e714c..befe8e01dc 100644 --- a/include/hw/ppc/spapr_irq.h +++ b/include/hw/ppc/spapr_irq.h @@ -27,7 +27,6 @@ #define SPAPR_IRQ_MSI (SPAPR_XIRQ_BASE + 0x0300) #define SPAPR_NR_XIRQS 0x1000 -#define SPAPR_NR_MSIS (SPAPR_XIRQ_BASE + SPAPR_NR_XIRQS - SPAPR_IRQ_MSI) typedef struct SpaprMachineState SpaprMachineState; @@ -73,14 +72,13 @@ void spapr_irq_print_info(SpaprMachineState *spapr, Monitor *mon); void spapr_irq_dt(SpaprMachineState *spapr, uint32_t nr_servers, void *fdt, uint32_t phandle); -void spapr_irq_msi_init(SpaprMachineState *spapr, uint32_t nr_msis); +uint32_t spapr_irq_nr_msis(SpaprMachineState *spapr); int spapr_irq_msi_alloc(SpaprMachineState *spapr, uint32_t num, bool align, Error **errp); void spapr_irq_msi_free(SpaprMachineState *spapr, int irq, uint32_t num); typedef struct SpaprIrq { uint32_t nr_xirqs; - uint32_t nr_msis; bool xics; bool xive; } SpaprIrq;