35 lines
		
	
	
		
			717 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			717 B
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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 * Copyright (C) STMicroelectronics SA 2015
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 * Authors: Yannick Fertre <yannick.fertre@st.com>
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 *          Hugues Fruchet <hugues.fruchet@st.com>
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 */
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#ifndef HVA_MEM_H
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#define HVA_MEM_H
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/**
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 * struct hva_buffer - hva buffer
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 *
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 * @name:  name of requester
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 * @paddr: physical address (for hardware)
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 * @vaddr: virtual address (kernel can read/write)
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 * @size:  size of buffer
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 */
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struct hva_buffer {
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	const char		*name;
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	dma_addr_t		paddr;
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	void			*vaddr;
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	u32			size;
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};
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int hva_mem_alloc(struct hva_ctx *ctx,
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		  __u32 size,
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		  const char *name,
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		  struct hva_buffer **buf);
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void hva_mem_free(struct hva_ctx *ctx,
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		  struct hva_buffer *buf);
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#endif /* HVA_MEM_H */
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