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| author | Paul Mundt <lethal@linux-sh.org> | 2008-10-20 11:17:52 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2008-10-20 11:17:52 +0900 |
| commit | 4cb40f795af36b3deb743f6ccf6c3fd542c61c8d (patch) | |
| tree | db3d7519932549bf528f5b8e4cb8350356cd544d /arch/powerpc/include/asm/msi_bitmap.h | |
| parent | Merge branch 'sh/gpiolib' (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 (diff) | |
| download | linux-4cb40f795af36b3deb743f6ccf6c3fd542c61c8d.tar.gz linux-4cb40f795af36b3deb743f6ccf6c3fd542c61c8d.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
Documentation/kernel-parameters.txt
arch/sh/include/asm/elf.h
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 000000000000..97ac3f46ae0d --- /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 */ |