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