qemu/include/hw/ppc/spapr_irq.h
Eduardo Habkost 8110fa1d94 Use DECLARE_*CHECKER* macros
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Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-12-ehabkost@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-13-ehabkost@redhat.com>
Message-Id: <20200831210740.126168-14-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-09 09:27:09 -04:00

118 lines
4.5 KiB
C

/*
* QEMU PowerPC sPAPR IRQ backend definitions
*
* Copyright (c) 2018, IBM Corporation.
*
* This code is licensed under the GPL version 2 or later. See the
* COPYING file in the top-level directory.
*/
#ifndef HW_SPAPR_IRQ_H
#define HW_SPAPR_IRQ_H
#include "target/ppc/cpu-qom.h"
#include "qom/object.h"
/*
* IRQ range offsets per device type
*/
#define SPAPR_IRQ_IPI 0x0
#define SPAPR_XIRQ_BASE XICS_IRQ_BASE /* 0x1000 */
#define SPAPR_IRQ_EPOW (SPAPR_XIRQ_BASE + 0x0000)
#define SPAPR_IRQ_HOTPLUG (SPAPR_XIRQ_BASE + 0x0001)
#define SPAPR_IRQ_VIO (SPAPR_XIRQ_BASE + 0x0100) /* 256 VIO devices */
#define SPAPR_IRQ_PCI_LSI (SPAPR_XIRQ_BASE + 0x0200) /* 32+ PHBs devices */
/* Offset of the dynamic range covered by the bitmap allocator */
#define SPAPR_IRQ_MSI (SPAPR_XIRQ_BASE + 0x0300)
#define SPAPR_NR_XIRQS 0x1000
struct SpaprMachineState;
typedef struct SpaprInterruptController SpaprInterruptController;
#define TYPE_SPAPR_INTC "spapr-interrupt-controller"
#define SPAPR_INTC(obj) \
INTERFACE_CHECK(SpaprInterruptController, (obj), TYPE_SPAPR_INTC)
typedef struct SpaprInterruptControllerClass SpaprInterruptControllerClass;
DECLARE_CLASS_CHECKERS(SpaprInterruptControllerClass, SPAPR_INTC,
TYPE_SPAPR_INTC)
struct SpaprInterruptControllerClass {
InterfaceClass parent;
int (*activate)(SpaprInterruptController *intc, uint32_t nr_servers,
Error **errp);
void (*deactivate)(SpaprInterruptController *intc);
/*
* These methods will typically be called on all intcs, active and
* inactive
*/
int (*cpu_intc_create)(SpaprInterruptController *intc,
PowerPCCPU *cpu, Error **errp);
void (*cpu_intc_reset)(SpaprInterruptController *intc, PowerPCCPU *cpu);
void (*cpu_intc_destroy)(SpaprInterruptController *intc, PowerPCCPU *cpu);
int (*claim_irq)(SpaprInterruptController *intc, int irq, bool lsi,
Error **errp);
void (*free_irq)(SpaprInterruptController *intc, int irq);
/* These methods should only be called on the active intc */
void (*set_irq)(SpaprInterruptController *intc, int irq, int val);
void (*print_info)(SpaprInterruptController *intc, Monitor *mon);
void (*dt)(SpaprInterruptController *intc, uint32_t nr_servers,
void *fdt, uint32_t phandle);
int (*post_load)(SpaprInterruptController *intc, int version_id);
};
void spapr_irq_update_active_intc(struct SpaprMachineState *spapr);
int spapr_irq_cpu_intc_create(struct SpaprMachineState *spapr,
PowerPCCPU *cpu, Error **errp);
void spapr_irq_cpu_intc_reset(struct SpaprMachineState *spapr, PowerPCCPU *cpu);
void spapr_irq_cpu_intc_destroy(struct SpaprMachineState *spapr, PowerPCCPU *cpu);
void spapr_irq_print_info(struct SpaprMachineState *spapr, Monitor *mon);
void spapr_irq_dt(struct SpaprMachineState *spapr, uint32_t nr_servers,
void *fdt, uint32_t phandle);
uint32_t spapr_irq_nr_msis(struct SpaprMachineState *spapr);
int spapr_irq_msi_alloc(struct SpaprMachineState *spapr, uint32_t num, bool align,
Error **errp);
void spapr_irq_msi_free(struct SpaprMachineState *spapr, int irq, uint32_t num);
typedef struct SpaprIrq {
bool xics;
bool xive;
} SpaprIrq;
extern SpaprIrq spapr_irq_xics;
extern SpaprIrq spapr_irq_xics_legacy;
extern SpaprIrq spapr_irq_xive;
extern SpaprIrq spapr_irq_dual;
void spapr_irq_init(struct SpaprMachineState *spapr, Error **errp);
int spapr_irq_claim(struct SpaprMachineState *spapr, int irq, bool lsi, Error **errp);
void spapr_irq_free(struct SpaprMachineState *spapr, int irq, int num);
qemu_irq spapr_qirq(struct SpaprMachineState *spapr, int irq);
int spapr_irq_post_load(struct SpaprMachineState *spapr, int version_id);
void spapr_irq_reset(struct SpaprMachineState *spapr, Error **errp);
int spapr_irq_get_phandle(struct SpaprMachineState *spapr, void *fdt, Error **errp);
typedef int (*SpaprInterruptControllerInitKvm)(SpaprInterruptController *,
uint32_t, Error **);
int spapr_irq_init_kvm(SpaprInterruptControllerInitKvm fn,
SpaprInterruptController *intc,
uint32_t nr_servers,
Error **errp);
/*
* XICS legacy routines
*/
int spapr_irq_find(struct SpaprMachineState *spapr, int num, bool align, Error **errp);
#define spapr_irq_findone(spapr, errp) spapr_irq_find(spapr, 1, false, errp)
#endif