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
20 #define SPAPR_XIRQ_BASE XICS_IRQ_BASE /* 0x1000 */
21 #define SPAPR_IRQ_EPOW (SPAPR_XIRQ_BASE + 0x0000)
22 #define SPAPR_IRQ_HOTPLUG (SPAPR_XIRQ_BASE + 0x0001)
23 #define SPAPR_IRQ_VIO (SPAPR_XIRQ_BASE + 0x0100) /* 256 VIO devices */
24 #define SPAPR_IRQ_PCI_LSI (SPAPR_XIRQ_BASE + 0x0200) /* 32+ PHBs devices */
26 /* Offset of the dynamic range covered by the bitmap allocator */
27 #define SPAPR_IRQ_MSI (SPAPR_XIRQ_BASE + 0x0300)
29 #define SPAPR_NR_XIRQS 0x1000
30 #define SPAPR_NR_MSIS (SPAPR_XIRQ_BASE + SPAPR_NR_XIRQS - SPAPR_IRQ_MSI)
32 typedef struct SpaprMachineState SpaprMachineState
;
34 void spapr_irq_msi_init(SpaprMachineState
*spapr
, uint32_t nr_msis
);
35 int spapr_irq_msi_alloc(SpaprMachineState
*spapr
, uint32_t num
, bool align
,
37 void spapr_irq_msi_free(SpaprMachineState
*spapr
, int irq
, uint32_t num
);
39 typedef struct SpaprIrq
{
44 void (*init
)(SpaprMachineState
*spapr
, Error
**errp
);
45 int (*claim
)(SpaprMachineState
*spapr
, int irq
, bool lsi
, Error
**errp
);
46 void (*free
)(SpaprMachineState
*spapr
, int irq
, int num
);
47 void (*print_info
)(SpaprMachineState
*spapr
, Monitor
*mon
);
48 void (*dt_populate
)(SpaprMachineState
*spapr
, uint32_t nr_servers
,
49 void *fdt
, uint32_t phandle
);
50 void (*cpu_intc_create
)(SpaprMachineState
*spapr
, PowerPCCPU
*cpu
,
52 int (*post_load
)(SpaprMachineState
*spapr
, int version_id
);
53 void (*reset
)(SpaprMachineState
*spapr
, Error
**errp
);
54 void (*set_irq
)(void *opaque
, int srcno
, int val
);
55 void (*init_kvm
)(SpaprMachineState
*spapr
, Error
**errp
);
58 extern SpaprIrq spapr_irq_xics
;
59 extern SpaprIrq spapr_irq_xics_legacy
;
60 extern SpaprIrq spapr_irq_xive
;
61 extern SpaprIrq spapr_irq_dual
;
63 void spapr_irq_init(SpaprMachineState
*spapr
, Error
**errp
);
64 int spapr_irq_claim(SpaprMachineState
*spapr
, int irq
, bool lsi
, Error
**errp
);
65 void spapr_irq_free(SpaprMachineState
*spapr
, int irq
, int num
);
66 qemu_irq
spapr_qirq(SpaprMachineState
*spapr
, int irq
);
67 int spapr_irq_post_load(SpaprMachineState
*spapr
, int version_id
);
68 void spapr_irq_reset(SpaprMachineState
*spapr
, Error
**errp
);
69 int spapr_irq_get_phandle(SpaprMachineState
*spapr
, void *fdt
, Error
**errp
);
72 * XICS legacy routines
74 int spapr_irq_find(SpaprMachineState
*spapr
, int num
, bool align
, Error
**errp
);
75 #define spapr_irq_findone(spapr, errp) spapr_irq_find(spapr, 1, false, errp)