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38 lines
806 B
38 lines
806 B
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
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#ifndef _UAPIUUACCE_H |
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#define _UAPIUUACCE_H |
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#include <linux/types.h> |
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#include <linux/ioctl.h> |
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/* |
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* UACCE_CMD_START_Q: Start queue |
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*/ |
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#define UACCE_CMD_START_Q _IO('W', 0) |
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/* |
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* UACCE_CMD_PUT_Q: |
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* User actively stop queue and free queue resource immediately |
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* Optimization method since close fd may delay |
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*/ |
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#define UACCE_CMD_PUT_Q _IO('W', 1) |
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/* |
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* UACCE Device flags: |
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* UACCE_DEV_SVA: Shared Virtual Addresses |
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* Support PASID |
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* Support device page faults (PCI PRI or SMMU Stall) |
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*/ |
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#define UACCE_DEV_SVA BIT(0) |
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/** |
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* enum uacce_qfrt: queue file region type |
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* @UACCE_QFRT_MMIO: device mmio region |
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* @UACCE_QFRT_DUS: device user share region |
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*/ |
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enum uacce_qfrt { |
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UACCE_QFRT_MMIO = 0, |
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UACCE_QFRT_DUS = 1, |
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}; |
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#endif
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