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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uacce.h (806B)

      1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
      2#ifndef _UAPIUUACCE_H
      3#define _UAPIUUACCE_H
      4
      5#include <linux/types.h>
      6#include <linux/ioctl.h>
      7
      8/*
      9 * UACCE_CMD_START_Q: Start queue
     10 */
     11#define UACCE_CMD_START_Q	_IO('W', 0)
     12
     13/*
     14 * UACCE_CMD_PUT_Q:
     15 * User actively stop queue and free queue resource immediately
     16 * Optimization method since close fd may delay
     17 */
     18#define UACCE_CMD_PUT_Q		_IO('W', 1)
     19
     20/*
     21 * UACCE Device flags:
     22 * UACCE_DEV_SVA: Shared Virtual Addresses
     23 *		  Support PASID
     24 *		  Support device page faults (PCI PRI or SMMU Stall)
     25 */
     26#define UACCE_DEV_SVA		BIT(0)
     27
     28/**
     29 * enum uacce_qfrt: queue file region type
     30 * @UACCE_QFRT_MMIO: device mmio region
     31 * @UACCE_QFRT_DUS: device user share region
     32 */
     33enum uacce_qfrt {
     34	UACCE_QFRT_MMIO = 0,
     35	UACCE_QFRT_DUS = 1,
     36};
     37
     38#endif