diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-10-19 19:04:47 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-19 19:04:47 +0200 |
| commit | 3e10e879a8c334a5927d800a3663a24d562cfa31 (patch) | |
| tree | 5d18bc7e38c986a044e99aa0d0a4aff4931ec7d0 /arch/powerpc/include/asm/msi_bitmap.h | |
| parent | 98d9c66ab07471006fd7910cb16453581c41a3e7 (diff) | |
| parent | 0cfd81031a26717fe14380d18275f8e217571615 (diff) | |
Merge branch 'linus' into tracing-v28-for-linus-v3
Conflicts:
init/main.c
kernel/module.c
scripts/bootgraph.pl
Diffstat (limited to 'arch/powerpc/include/asm/msi_bitmap.h')
| -rw-r--r-- | arch/powerpc/include/asm/msi_bitmap.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/msi_bitmap.h b/arch/powerpc/include/asm/msi_bitmap.h new file mode 100644 index 00000000000..97ac3f46ae0 --- /dev/null +++ b/arch/powerpc/include/asm/msi_bitmap.h @@ -0,0 +1,35 @@ +#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 */ |