1 /* 2 * QEMU PowerPC sPAPR IRQ backend definitions 3 * 4 * Copyright (c) 2018, IBM Corporation. 5 * 6 * This code is licensed under the GPL version 2 or later. See the 7 * COPYING file in the top-level directory. 8 */ 9 10 #ifndef HW_SPAPR_IRQ_H 11 #define HW_SPAPR_IRQ_H 12 13 #include "target/ppc/cpu-qom.h" 14 15 /* 16 * IRQ range offsets per device type 17 */ 18 #define SPAPR_IRQ_IPI 0x0 19 #define SPAPR_IRQ_EPOW 0x1000 /* XICS_IRQ_BASE offset */ 20 #define SPAPR_IRQ_HOTPLUG 0x1001 21 #define SPAPR_IRQ_VIO 0x1100 /* 256 VIO devices */ 22 #define SPAPR_IRQ_PCI_LSI 0x1200 /* 32+ PHBs devices */ 23 24 #define SPAPR_IRQ_MSI 0x1300 /* Offset of the dynamic range covered 25 * by the bitmap allocator */ 26 27 typedef struct SpaprMachineState SpaprMachineState; 28 29 void spapr_irq_msi_init(SpaprMachineState *spapr, uint32_t nr_msis); 30 int spapr_irq_msi_alloc(SpaprMachineState *spapr, uint32_t num, bool align, 31 Error **errp); 32 void spapr_irq_msi_free(SpaprMachineState *spapr, int irq, uint32_t num); 33 void spapr_irq_msi_reset(SpaprMachineState *spapr); 34 35 typedef struct SpaprIrq { 36 uint32_t nr_irqs; 37 uint32_t nr_msis; 38 uint8_t ov5; 39 40 void (*init)(SpaprMachineState *spapr, int nr_irqs, Error **errp); 41 int (*claim)(SpaprMachineState *spapr, int irq, bool lsi, Error **errp); 42 void (*free)(SpaprMachineState *spapr, int irq, int num); 43 qemu_irq (*qirq)(SpaprMachineState *spapr, int irq); 44 void (*print_info)(SpaprMachineState *spapr, Monitor *mon); 45 void (*dt_populate)(SpaprMachineState *spapr, uint32_t nr_servers, 46 void *fdt, uint32_t phandle); 47 void (*cpu_intc_create)(SpaprMachineState *spapr, PowerPCCPU *cpu, 48 Error **errp); 49 int (*post_load)(SpaprMachineState *spapr, int version_id); 50 void (*reset)(SpaprMachineState *spapr, Error **errp); 51 void (*set_irq)(void *opaque, int srcno, int val); 52 const char *(*get_nodename)(SpaprMachineState *spapr); 53 void (*init_kvm)(SpaprMachineState *spapr, Error **errp); 54 } SpaprIrq; 55 56 extern SpaprIrq spapr_irq_xics; 57 extern SpaprIrq spapr_irq_xics_legacy; 58 extern SpaprIrq spapr_irq_xive; 59 extern SpaprIrq spapr_irq_dual; 60 61 void spapr_irq_init(SpaprMachineState *spapr, Error **errp); 62 int spapr_irq_claim(SpaprMachineState *spapr, int irq, bool lsi, Error **errp); 63 void spapr_irq_free(SpaprMachineState *spapr, int irq, int num); 64 qemu_irq spapr_qirq(SpaprMachineState *spapr, int irq); 65 int spapr_irq_post_load(SpaprMachineState *spapr, int version_id); 66 void spapr_irq_reset(SpaprMachineState *spapr, Error **errp); 67 int spapr_irq_get_phandle(SpaprMachineState *spapr, void *fdt, Error **errp); 68 69 /* 70 * XICS legacy routines 71 */ 72 int spapr_irq_find(SpaprMachineState *spapr, int num, bool align, Error **errp); 73 #define spapr_irq_findone(spapr, errp) spapr_irq_find(spapr, 1, false, errp) 74 75 #endif 76