irq.h (0b05ac6e24807f0c26f763b3a546c0bcbf84125f) irq.h (476eb4912601a8c01e6702b9a029f476b4b131d2)
1#ifdef __KERNEL__
2#ifndef _ASM_POWERPC_IRQ_H
3#define _ASM_POWERPC_IRQ_H
4
5/*
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version

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123 struct irq_host_ops *ops;
124 void *host_data;
125 irq_hw_number_t inval_irq;
126
127 /* Optional device node pointer */
128 struct device_node *of_node;
129};
130
1#ifdef __KERNEL__
2#ifndef _ASM_POWERPC_IRQ_H
3#define _ASM_POWERPC_IRQ_H
4
5/*
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version

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123 struct irq_host_ops *ops;
124 void *host_data;
125 irq_hw_number_t inval_irq;
126
127 /* Optional device node pointer */
128 struct device_node *of_node;
129};
130
131/* The main irq map itself is an array of NR_IRQ entries containing the
132 * associate host and irq number. An entry with a host of NULL is free.
133 * An entry can be allocated if it's free, the allocator always then sets
134 * hwirq first to the host's invalid irq number and then fills ops.
135 */
136struct irq_map_entry {
137 irq_hw_number_t hwirq;
138 struct irq_host *host;
139};
140
141extern struct irq_map_entry irq_map[NR_IRQS];
142
131struct irq_data;
132extern irq_hw_number_t irqd_to_hwirq(struct irq_data *d);
143extern irq_hw_number_t virq_to_hw(unsigned int virq);
133extern irq_hw_number_t virq_to_hw(unsigned int virq);
134extern struct irq_host *virq_to_host(unsigned int virq);
144
135
145/* This will eventually -replace- virq_to_hw if/when we stash the
146 * HW number in the irq_data itself. We use a macro so we can inline
147 * it as irq_data isn't defined yet
148 */
149#define irq_data_to_hw(d) (irq_map[(d)->irq].hwirq)
150
151/**
152 * irq_alloc_host - Allocate a new irq_host data structure
153 * @of_node: optional device-tree node of the interrupt controller
154 * @revmap_type: type of reverse mapping to use
155 * @revmap_arg: for IRQ_HOST_MAP_LINEAR linear only: size of the map
156 * @ops: map/unmap host callbacks
157 * @inval_irq: provide a hw number in that host space that is always invalid
158 *

--- 194 unchanged lines hidden --- 		136/**
137 * irq_alloc_host - Allocate a new irq_host data structure
138 * @of_node: optional device-tree node of the interrupt controller
139 * @revmap_type: type of reverse mapping to use
140 * @revmap_arg: for IRQ_HOST_MAP_LINEAR linear only: size of the map
141 * @ops: map/unmap host callbacks
142 * @inval_irq: provide a hw number in that host space that is always invalid
143 *

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