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