2018-07-30 17:11:32 +03:00
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/*
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* QEMU PowerPC sPAPR IRQ backend definitions
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*
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* Copyright (c) 2018, IBM Corporation.
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*
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* This code is licensed under the GPL version 2 or later. See the
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* COPYING file in the top-level directory.
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*/
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#ifndef HW_SPAPR_IRQ_H
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#define HW_SPAPR_IRQ_H
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/*
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* IRQ range offsets per device type
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*/
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2018-12-12 01:38:12 +03:00
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#define SPAPR_IRQ_IPI 0x0
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2018-07-30 17:11:32 +03:00
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#define SPAPR_IRQ_EPOW 0x1000 /* XICS_IRQ_BASE offset */
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#define SPAPR_IRQ_HOTPLUG 0x1001
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#define SPAPR_IRQ_VIO 0x1100 /* 256 VIO devices */
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#define SPAPR_IRQ_PCI_LSI 0x1200 /* 32+ PHBs devices */
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#define SPAPR_IRQ_MSI 0x1300 /* Offset of the dynamic range covered
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* by the bitmap allocator */
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typedef struct sPAPRMachineState sPAPRMachineState;
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void spapr_irq_msi_init(sPAPRMachineState *spapr, uint32_t nr_msis);
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int spapr_irq_msi_alloc(sPAPRMachineState *spapr, uint32_t num, bool align,
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Error **errp);
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void spapr_irq_msi_free(sPAPRMachineState *spapr, int irq, uint32_t num);
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void spapr_irq_msi_reset(sPAPRMachineState *spapr);
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2018-07-30 17:11:33 +03:00
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typedef struct sPAPRIrq {
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uint32_t nr_irqs;
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2018-09-11 08:55:02 +03:00
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uint32_t nr_msis;
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2018-07-30 17:11:33 +03:00
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void (*init)(sPAPRMachineState *spapr, Error **errp);
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int (*claim)(sPAPRMachineState *spapr, int irq, bool lsi, Error **errp);
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void (*free)(sPAPRMachineState *spapr, int irq, int num);
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qemu_irq (*qirq)(sPAPRMachineState *spapr, int irq);
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void (*print_info)(sPAPRMachineState *spapr, Monitor *mon);
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2018-12-12 01:38:14 +03:00
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void (*dt_populate)(sPAPRMachineState *spapr, uint32_t nr_servers,
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void *fdt, uint32_t phandle);
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2018-07-30 17:11:33 +03:00
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} sPAPRIrq;
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extern sPAPRIrq spapr_irq_xics;
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2018-09-11 08:55:03 +03:00
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extern sPAPRIrq spapr_irq_xics_legacy;
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2018-12-12 01:38:12 +03:00
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extern sPAPRIrq spapr_irq_xive;
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2018-07-30 17:11:33 +03:00
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2018-12-06 02:22:27 +03:00
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void spapr_irq_init(sPAPRMachineState *spapr, Error **errp);
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2018-07-30 17:11:33 +03:00
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int spapr_irq_claim(sPAPRMachineState *spapr, int irq, bool lsi, Error **errp);
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void spapr_irq_free(sPAPRMachineState *spapr, int irq, int num);
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qemu_irq spapr_qirq(sPAPRMachineState *spapr, int irq);
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/*
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* XICS legacy routines
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*/
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int spapr_irq_find(sPAPRMachineState *spapr, int num, bool align, Error **errp);
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#define spapr_irq_findone(spapr, errp) spapr_irq_find(spapr, 1, false, errp)
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2018-07-30 17:11:32 +03:00
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#endif
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