From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/arch/powerpc/include/asm/msi_bitmap.h | 35 ++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 kernel/arch/powerpc/include/asm/msi_bitmap.h (limited to 'kernel/arch/powerpc/include/asm/msi_bitmap.h') diff --git a/kernel/arch/powerpc/include/asm/msi_bitmap.h b/kernel/arch/powerpc/include/asm/msi_bitmap.h new file mode 100644 index 000000000..97ac3f46a --- /dev/null +++ b/kernel/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 +#include + +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 */ -- cgit 1.2.3-korg