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 13*ec150c7eSMarkus Armbruster #include "hw/irq.h" 14*ec150c7eSMarkus Armbruster #include "target/ppc/cpu-qom.h" 15*ec150c7eSMarkus Armbruster 1682cffa2eSCédric Le Goater /* 1782cffa2eSCédric Le Goater * IRQ range offsets per device type 1882cffa2eSCédric Le Goater */ 19dcc345b6SCédric Le Goater #define SPAPR_IRQ_IPI 0x0 2082cffa2eSCédric Le Goater #define SPAPR_IRQ_EPOW 0x1000 /* XICS_IRQ_BASE offset */ 2182cffa2eSCédric Le Goater #define SPAPR_IRQ_HOTPLUG 0x1001 2282cffa2eSCédric Le Goater #define SPAPR_IRQ_VIO 0x1100 /* 256 VIO devices */ 2382cffa2eSCédric Le Goater #define SPAPR_IRQ_PCI_LSI 0x1200 /* 32+ PHBs devices */ 2482cffa2eSCédric Le Goater 2582cffa2eSCédric Le Goater #define SPAPR_IRQ_MSI 0x1300 /* Offset of the dynamic range covered 2682cffa2eSCédric Le Goater * by the bitmap allocator */ 2782cffa2eSCédric Le Goater 28ce2918cbSDavid Gibson typedef struct SpaprMachineState SpaprMachineState; 2982cffa2eSCédric Le Goater 30ce2918cbSDavid Gibson void spapr_irq_msi_init(SpaprMachineState *spapr, uint32_t nr_msis); 31ce2918cbSDavid Gibson int spapr_irq_msi_alloc(SpaprMachineState *spapr, uint32_t num, bool align, 3282cffa2eSCédric Le Goater Error **errp); 33ce2918cbSDavid Gibson void spapr_irq_msi_free(SpaprMachineState *spapr, int irq, uint32_t num); 34ce2918cbSDavid Gibson void spapr_irq_msi_reset(SpaprMachineState *spapr); 3582cffa2eSCédric Le Goater 36ce2918cbSDavid Gibson typedef struct SpaprIrq { 37ef01ed9dSCédric Le Goater uint32_t nr_irqs; 38e39de895SCédric Le Goater uint32_t nr_msis; 39db592b5bSCédric Le Goater uint8_t ov5; 40ef01ed9dSCédric Le Goater 41ce2918cbSDavid Gibson void (*init)(SpaprMachineState *spapr, int nr_irqs, Error **errp); 42ce2918cbSDavid Gibson int (*claim)(SpaprMachineState *spapr, int irq, bool lsi, Error **errp); 43ce2918cbSDavid Gibson void (*free)(SpaprMachineState *spapr, int irq, int num); 44ce2918cbSDavid Gibson qemu_irq (*qirq)(SpaprMachineState *spapr, int irq); 45ce2918cbSDavid Gibson void (*print_info)(SpaprMachineState *spapr, Monitor *mon); 46ce2918cbSDavid Gibson void (*dt_populate)(SpaprMachineState *spapr, uint32_t nr_servers, 476e21de4aSCédric Le Goater void *fdt, uint32_t phandle); 48ce2918cbSDavid Gibson void (*cpu_intc_create)(SpaprMachineState *spapr, PowerPCCPU *cpu, 491a937ad7SCédric Le Goater Error **errp); 50ce2918cbSDavid Gibson int (*post_load)(SpaprMachineState *spapr, int version_id); 51ce2918cbSDavid Gibson void (*reset)(SpaprMachineState *spapr, Error **errp); 52872ff3deSCédric Le Goater void (*set_irq)(void *opaque, int srcno, int val); 53ce2918cbSDavid Gibson const char *(*get_nodename)(SpaprMachineState *spapr); 54ae805ea9SCédric Le Goater void (*init_kvm)(SpaprMachineState *spapr, Error **errp); 55ce2918cbSDavid Gibson } SpaprIrq; 56ef01ed9dSCédric Le Goater 57ce2918cbSDavid Gibson extern SpaprIrq spapr_irq_xics; 58ce2918cbSDavid Gibson extern SpaprIrq spapr_irq_xics_legacy; 59ce2918cbSDavid Gibson extern SpaprIrq spapr_irq_xive; 60ce2918cbSDavid Gibson extern SpaprIrq spapr_irq_dual; 61ef01ed9dSCédric Le Goater 62ce2918cbSDavid Gibson void spapr_irq_init(SpaprMachineState *spapr, Error **errp); 63ce2918cbSDavid Gibson int spapr_irq_claim(SpaprMachineState *spapr, int irq, bool lsi, Error **errp); 64ce2918cbSDavid Gibson void spapr_irq_free(SpaprMachineState *spapr, int irq, int num); 65ce2918cbSDavid Gibson qemu_irq spapr_qirq(SpaprMachineState *spapr, int irq); 66ce2918cbSDavid Gibson int spapr_irq_post_load(SpaprMachineState *spapr, int version_id); 67ce2918cbSDavid Gibson void spapr_irq_reset(SpaprMachineState *spapr, Error **errp); 68ce2918cbSDavid Gibson int spapr_irq_get_phandle(SpaprMachineState *spapr, void *fdt, Error **errp); 69ef01ed9dSCédric Le Goater 70ef01ed9dSCédric Le Goater /* 71ef01ed9dSCédric Le Goater * XICS legacy routines 72ef01ed9dSCédric Le Goater */ 73ce2918cbSDavid Gibson int spapr_irq_find(SpaprMachineState *spapr, int num, bool align, Error **errp); 74ef01ed9dSCédric Le Goater #define spapr_irq_findone(spapr, errp) spapr_irq_find(spapr, 1, false, errp) 75ef01ed9dSCédric Le Goater 7682cffa2eSCédric Le Goater #endif 77