From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- arch/powerpc/include/asm/msi_bitmap.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 arch/powerpc/include/asm/msi_bitmap.h (limited to 'arch/powerpc/include/asm/msi_bitmap.h') diff --git a/arch/powerpc/include/asm/msi_bitmap.h b/arch/powerpc/include/asm/msi_bitmap.h new file mode 100644 index 000000000..55c2f7db9 --- /dev/null +++ b/arch/powerpc/include/asm/msi_bitmap.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef _POWERPC_SYSDEV_MSI_BITMAP_H +#define _POWERPC_SYSDEV_MSI_BITMAP_H + +/* + * Copyright 2008, Michael Ellerman, IBM Corporation. + */ + +#include +#include + +struct msi_bitmap { + struct device_node *of_node; + unsigned long *bitmap; + spinlock_t lock; + unsigned int irq_count; + bool bitmap_from_slab; +}; + +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 v1.2.3