diff options
| author | Len Brown <len.brown@intel.com> | 2008-10-22 23:57:26 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-10-23 00:11:07 -0400 |
| commit | 057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch) | |
| tree | 4333e608da237c73ff69b10878025cca96dcb4c8 /arch/powerpc/include/asm/msi_bitmap.h | |
| parent | 3e2dab9a1c2deb03c311eb3f83466009147ed4d3 (diff) | |
| parent | 2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff) | |
Merge branch 'linus' into test
Conflicts:
MAINTAINERS
arch/x86/kernel/acpi/boot.c
arch/x86/kernel/acpi/sleep.c
drivers/acpi/Kconfig
drivers/pnp/Makefile
drivers/pnp/quirks.c
Signed-off-by: Len Brown <len.brown@intel.com>
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 */ |