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