| #ifndef _POWERPC_SYSDEV_MSI_BITMAP_H | |
| #define _POWERPC_SYSDEV_MSI_BITMAP_H | |
| /* | |
| * Copyright 2008, Michael Ellerman, IBM Corporation. | |
| * | |
| * This program is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU General Public License | |
| * as published by the Free Software Foundation; version 2 of the | |
| * License. | |
| * | |
| */ | |
| #include <linux/of.h> | |
| #include <asm/irq.h> | |
| struct msi_bitmap { | |
| struct device_node *of_node; | |
| unsigned long *bitmap; | |
| spinlock_t lock; | |
| unsigned int irq_count; | |
| }; | |
| int msi_bitmap_alloc_hwirqs(struct msi_bitmap *bmp, int num); | |
| void msi_bitmap_free_hwirqs(struct msi_bitmap *bmp, unsigned int offset, | |
| unsigned int num); | |
| void msi_bitmap_reserve_hwirq(struct msi_bitmap *bmp, unsigned int hwirq); | |
| int msi_bitmap_reserve_dt_hwirqs(struct msi_bitmap *bmp); | |
| int msi_bitmap_alloc(struct msi_bitmap *bmp, unsigned int irq_count, | |
| struct device_node *of_node); | |
| void msi_bitmap_free(struct msi_bitmap *bmp); | |
| #endif /* _POWERPC_SYSDEV_MSI_BITMAP_H */ |