8ba2ed1be9
Power SVM wants to allocate a swiotlb buffer that is not restricted to low memory for the trusted hypervisor scheme. Consolidate the support for this into the swiotlb_init interface by adding a new flag. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
21 lines
413 B
C
21 lines
413 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2009 Becky Bruce, Freescale Semiconductor
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*/
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#ifndef __ASM_SWIOTLB_H
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#define __ASM_SWIOTLB_H
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#include <linux/swiotlb.h>
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extern unsigned int ppc_swiotlb_enable;
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extern unsigned int ppc_swiotlb_flags;
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#ifdef CONFIG_SWIOTLB
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void swiotlb_detect_4g(void);
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#else
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static inline void swiotlb_detect_4g(void) {}
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#endif
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#endif /* __ASM_SWIOTLB_H */
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