1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linu 1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 #ifndef _UAPIUUACCE_H 2 #ifndef _UAPIUUACCE_H
3 #define _UAPIUUACCE_H 3 #define _UAPIUUACCE_H
4 4
5 #include <linux/types.h> 5 #include <linux/types.h>
6 #include <linux/ioctl.h> 6 #include <linux/ioctl.h>
7 7
8 /* 8 /*
9 * UACCE_CMD_START_Q: Start queue 9 * UACCE_CMD_START_Q: Start queue
10 */ 10 */
11 #define UACCE_CMD_START_Q _IO('W', 0) 11 #define UACCE_CMD_START_Q _IO('W', 0)
12 12
13 /* 13 /*
14 * UACCE_CMD_PUT_Q: 14 * UACCE_CMD_PUT_Q:
15 * User actively stop queue and free queue res 15 * User actively stop queue and free queue resource immediately
16 * Optimization method since close fd may dela 16 * Optimization method since close fd may delay
17 */ 17 */
18 #define UACCE_CMD_PUT_Q _IO('W', 1) 18 #define UACCE_CMD_PUT_Q _IO('W', 1)
19 19
20 /* 20 /*
21 * UACCE Device flags: 21 * UACCE Device flags:
22 * UACCE_DEV_SVA: Shared Virtual Addresses 22 * UACCE_DEV_SVA: Shared Virtual Addresses
23 * Support PASID 23 * Support PASID
24 * Support device page faults ( 24 * Support device page faults (PCI PRI or SMMU Stall)
25 */ 25 */
26 #define UACCE_DEV_SVA BIT(0) 26 #define UACCE_DEV_SVA BIT(0)
27 27
28 /** 28 /**
29 * enum uacce_qfrt: queue file region type 29 * enum uacce_qfrt: queue file region type
30 * @UACCE_QFRT_MMIO: device mmio region 30 * @UACCE_QFRT_MMIO: device mmio region
31 * @UACCE_QFRT_DUS: device user share region 31 * @UACCE_QFRT_DUS: device user share region
32 */ 32 */
33 enum uacce_qfrt { 33 enum uacce_qfrt {
34 UACCE_QFRT_MMIO = 0, 34 UACCE_QFRT_MMIO = 0,
35 UACCE_QFRT_DUS = 1, 35 UACCE_QFRT_DUS = 1,
36 }; 36 };
37 37
38 #endif 38 #endif
39 39
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