2 * Copyright 2016,2017 IBM Corporation.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
9 #ifndef __XIVE_INTERNAL_H
10 #define __XIVE_INTERNAL_H
12 /* Each CPU carry one of these with various per-CPU state */
15 /* HW irq number and data of IPI */
17 struct xive_irq_data ipi_data;
18 #endif /* CONFIG_SMP */
22 /* Queue datas. Only one is populated */
23 #define XIVE_MAX_QUEUES 8
24 struct xive_q queue[XIVE_MAX_QUEUES];
27 * Pending mask. Each bit corresponds to a priority that
28 * potentially has pending interrupts.
32 /* Cache of HW CPPR */
38 int (*populate_irq_data)(u32 hw_irq, struct xive_irq_data *data);
39 int (*configure_irq)(u32 hw_irq, u32 target, u8 prio, u32 sw_irq);
40 int (*setup_queue)(unsigned int cpu, struct xive_cpu *xc, u8 prio);
41 void (*cleanup_queue)(unsigned int cpu, struct xive_cpu *xc, u8 prio);
42 void (*setup_cpu)(unsigned int cpu, struct xive_cpu *xc);
43 void (*teardown_cpu)(unsigned int cpu, struct xive_cpu *xc);
44 bool (*match)(struct device_node *np);
45 void (*shutdown)(void);
47 void (*update_pending)(struct xive_cpu *xc);
48 void (*eoi)(u32 hw_irq);
49 void (*sync_source)(u32 hw_irq);
51 int (*get_ipi)(unsigned int cpu, struct xive_cpu *xc);
52 void (*put_ipi)(unsigned int cpu, struct xive_cpu *xc);
57 bool xive_core_init(const struct xive_ops *ops, void __iomem *area, u32 offset,
60 extern bool xive_cmdline_disabled;
62 #endif /* __XIVE_INTERNAL_H */