182cffa2eSCédric Le Goater /* 282cffa2eSCédric Le Goater * QEMU PowerPC sPAPR IRQ backend definitions 382cffa2eSCédric Le Goater * 482cffa2eSCédric Le Goater * Copyright (c) 2018, IBM Corporation. 582cffa2eSCédric Le Goater * 682cffa2eSCédric Le Goater * This code is licensed under the GPL version 2 or later. See the 782cffa2eSCédric Le Goater * COPYING file in the top-level directory. 882cffa2eSCédric Le Goater */ 982cffa2eSCédric Le Goater 1082cffa2eSCédric Le Goater #ifndef HW_SPAPR_IRQ_H 1182cffa2eSCédric Le Goater #define HW_SPAPR_IRQ_H 1282cffa2eSCédric Le Goater 1382cffa2eSCédric Le Goater /* 1482cffa2eSCédric Le Goater * IRQ range offsets per device type 1582cffa2eSCédric Le Goater */ 16dcc345b6SCédric Le Goater #define SPAPR_IRQ_IPI 0x0 1782cffa2eSCédric Le Goater #define SPAPR_IRQ_EPOW 0x1000 /* XICS_IRQ_BASE offset */ 1882cffa2eSCédric Le Goater #define SPAPR_IRQ_HOTPLUG 0x1001 1982cffa2eSCédric Le Goater #define SPAPR_IRQ_VIO 0x1100 /* 256 VIO devices */ 2082cffa2eSCédric Le Goater #define SPAPR_IRQ_PCI_LSI 0x1200 /* 32+ PHBs devices */ 2182cffa2eSCédric Le Goater 2282cffa2eSCédric Le Goater #define SPAPR_IRQ_MSI 0x1300 /* Offset of the dynamic range covered 2382cffa2eSCédric Le Goater * by the bitmap allocator */ 2482cffa2eSCédric Le Goater 25*ce2918cbSDavid Gibson typedef struct SpaprMachineState SpaprMachineState; 2682cffa2eSCédric Le Goater 27*ce2918cbSDavid Gibson void spapr_irq_msi_init(SpaprMachineState *spapr, uint32_t nr_msis); 28*ce2918cbSDavid Gibson int spapr_irq_msi_alloc(SpaprMachineState *spapr, uint32_t num, bool align, 2982cffa2eSCédric Le Goater Error **errp); 30*ce2918cbSDavid Gibson void spapr_irq_msi_free(SpaprMachineState *spapr, int irq, uint32_t num); 31*ce2918cbSDavid Gibson void spapr_irq_msi_reset(SpaprMachineState *spapr); 3282cffa2eSCédric Le Goater 33*ce2918cbSDavid Gibson typedef struct SpaprIrq { 34ef01ed9dSCédric Le Goater uint32_t nr_irqs; 35e39de895SCédric Le Goater uint32_t nr_msis; 36db592b5bSCédric Le Goater uint8_t ov5; 37ef01ed9dSCédric Le Goater 38*ce2918cbSDavid Gibson void (*init)(SpaprMachineState *spapr, int nr_irqs, Error **errp); 39*ce2918cbSDavid Gibson int (*claim)(SpaprMachineState *spapr, int irq, bool lsi, Error **errp); 40*ce2918cbSDavid Gibson void (*free)(SpaprMachineState *spapr, int irq, int num); 41*ce2918cbSDavid Gibson qemu_irq (*qirq)(SpaprMachineState *spapr, int irq); 42*ce2918cbSDavid Gibson void (*print_info)(SpaprMachineState *spapr, Monitor *mon); 43*ce2918cbSDavid Gibson void (*dt_populate)(SpaprMachineState *spapr, uint32_t nr_servers, 446e21de4aSCédric Le Goater void *fdt, uint32_t phandle); 45*ce2918cbSDavid Gibson void (*cpu_intc_create)(SpaprMachineState *spapr, PowerPCCPU *cpu, 461a937ad7SCédric Le Goater Error **errp); 47*ce2918cbSDavid Gibson int (*post_load)(SpaprMachineState *spapr, int version_id); 48*ce2918cbSDavid Gibson void (*reset)(SpaprMachineState *spapr, Error **errp); 49872ff3deSCédric Le Goater void (*set_irq)(void *opaque, int srcno, int val); 50*ce2918cbSDavid Gibson const char *(*get_nodename)(SpaprMachineState *spapr); 51*ce2918cbSDavid Gibson } SpaprIrq; 52ef01ed9dSCédric Le Goater 53*ce2918cbSDavid Gibson extern SpaprIrq spapr_irq_xics; 54*ce2918cbSDavid Gibson extern SpaprIrq spapr_irq_xics_legacy; 55*ce2918cbSDavid Gibson extern SpaprIrq spapr_irq_xive; 56*ce2918cbSDavid Gibson extern SpaprIrq spapr_irq_dual; 57ef01ed9dSCédric Le Goater 58*ce2918cbSDavid Gibson void spapr_irq_init(SpaprMachineState *spapr, Error **errp); 59*ce2918cbSDavid Gibson int spapr_irq_claim(SpaprMachineState *spapr, int irq, bool lsi, Error **errp); 60*ce2918cbSDavid Gibson void spapr_irq_free(SpaprMachineState *spapr, int irq, int num); 61*ce2918cbSDavid Gibson qemu_irq spapr_qirq(SpaprMachineState *spapr, int irq); 62*ce2918cbSDavid Gibson int spapr_irq_post_load(SpaprMachineState *spapr, int version_id); 63*ce2918cbSDavid Gibson void spapr_irq_reset(SpaprMachineState *spapr, Error **errp); 64*ce2918cbSDavid Gibson int spapr_irq_get_phandle(SpaprMachineState *spapr, void *fdt, Error **errp); 65ef01ed9dSCédric Le Goater 66ef01ed9dSCédric Le Goater /* 67ef01ed9dSCédric Le Goater * XICS legacy routines 68ef01ed9dSCédric Le Goater */ 69*ce2918cbSDavid Gibson int spapr_irq_find(SpaprMachineState *spapr, int num, bool align, Error **errp); 70ef01ed9dSCédric Le Goater #define spapr_irq_findone(spapr, errp) spapr_irq_find(spapr, 1, false, errp) 71ef01ed9dSCédric Le Goater 7282cffa2eSCédric Le Goater #endif 73