| /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
| #ifndef _UAPIUUACCE_H |
| #define _UAPIUUACCE_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 |
