Where Online Learning is simpler!

The C and C++ Include Header Files

cat -n /usr/include/misc/uacce/uacce.h

     1	/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
     2	#ifndef UUACCE_H
     3	#define UUACCE_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	 */
    33	enum uacce_qfrt {
    34		UACCE_QFRT_MMIO = 0,
    35		UACCE_QFRT_DUS = 1,
    36	};
    37	
    38	#endif