cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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hva-mem.h (717B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Copyright (C) STMicroelectronics SA 2015
      4 * Authors: Yannick Fertre <yannick.fertre@st.com>
      5 *          Hugues Fruchet <hugues.fruchet@st.com>
      6 */
      7
      8#ifndef HVA_MEM_H
      9#define HVA_MEM_H
     10
     11/**
     12 * struct hva_buffer - hva buffer
     13 *
     14 * @name:  name of requester
     15 * @paddr: physical address (for hardware)
     16 * @vaddr: virtual address (kernel can read/write)
     17 * @size:  size of buffer
     18 */
     19struct hva_buffer {
     20	const char		*name;
     21	dma_addr_t		paddr;
     22	void			*vaddr;
     23	u32			size;
     24};
     25
     26int hva_mem_alloc(struct hva_ctx *ctx,
     27		  __u32 size,
     28		  const char *name,
     29		  struct hva_buffer **buf);
     30
     31void hva_mem_free(struct hva_ctx *ctx,
     32		  struct hva_buffer *buf);
     33
     34#endif /* HVA_MEM_H */