projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 7e302869 ME |
1 | #ifndef _POWERPC_SYSDEV_MSI_BITMAP_H |
| 2 | #define _POWERPC_SYSDEV_MSI_BITMAP_H | |
| 3 | ||
| 4 | /* | |
| 5 | * Copyright 2008, Michael Ellerman, IBM Corporation. | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or | |
| 8 | * modify it under the terms of the GNU General Public License | |
| 9 | * as published by the Free Software Foundation; version 2 of the | |
| 10 | * License. | |
| 11 | * | |
| 12 | */ | |
| 13 | ||
| 14 | #include <linux/of.h> | |
| 15 | #include <asm/irq.h> | |
| 16 | ||
| 17 | struct msi_bitmap { | |
| 18 | struct device_node *of_node; | |
| 19 | unsigned long *bitmap; | |
| 20 | spinlock_t lock; | |
| 21 | unsigned int irq_count; | |
| cb2d3883 | 22 | bool bitmap_from_slab; |
| 7e302869 ME |
23 | }; |
| 24 | ||
| 25 | int msi_bitmap_alloc_hwirqs(struct msi_bitmap *bmp, int num); | |
| 26 | void msi_bitmap_free_hwirqs(struct msi_bitmap *bmp, unsigned int offset, | |
| 27 | unsigned int num); | |
| 28 | void msi_bitmap_reserve_hwirq(struct msi_bitmap *bmp, unsigned int hwirq); | |
| 29 | ||
| 30 | int msi_bitmap_reserve_dt_hwirqs(struct msi_bitmap *bmp); | |
| 31 | ||
| 32 | int msi_bitmap_alloc(struct msi_bitmap *bmp, unsigned int irq_count, | |
| 33 | struct device_node *of_node); | |
| 34 | void msi_bitmap_free(struct msi_bitmap *bmp); | |
| 35 | ||
| 36 | #endif /* _POWERPC_SYSDEV_MSI_BITMAP_H */ |