include/uapi/misc/uacce/uacce.h

   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  */
  33 enum uacce_qfrt {
  34         UACCE_QFRT_MMIO = 0,
  35         UACCE_QFRT_DUS = 1,
  36 };
  37
  38 #endif