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
39
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