2 * QEMU PowerPC sPAPR IRQ backend definitions
4 * Copyright (c) 2018, IBM Corporation.
6 * This code is licensed under the GPL version 2 or later. See the
7 * COPYING file in the top-level directory.
10 #ifndef HW_SPAPR_IRQ_H
11 #define HW_SPAPR_IRQ_H
13 #include "target/ppc/cpu-qom.h"
16 * IRQ range offsets per device type
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 */
24 #define SPAPR_IRQ_MSI 0x1300 /* Offset of the dynamic range covered
25 * by the bitmap allocator */
27 typedef struct SpaprMachineState SpaprMachineState
;
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
,
32 void spapr_irq_msi_free(SpaprMachineState
*spapr
, int irq
, uint32_t num
);
33 void spapr_irq_msi_reset(SpaprMachineState
*spapr
);
35 typedef struct SpaprIrq
{
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
,
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
);
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
;
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
);
70 * XICS legacy routines
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)