From fc00c656c96528112d05cf0edf8631bd5eaea446 Mon Sep 17 00:00:00 2001 From: Kacper Date: Sun, 7 Dec 2025 20:10:31 +0100 Subject: Add build system scaffolding and libc headers --- include/arch/x86_64/misc/uacce/uacce.h | 38 ++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 include/arch/x86_64/misc/uacce/uacce.h (limited to 'include/arch/x86_64/misc/uacce/uacce.h') diff --git a/include/arch/x86_64/misc/uacce/uacce.h b/include/arch/x86_64/misc/uacce/uacce.h new file mode 100644 index 00000000..b17a851b --- /dev/null +++ b/include/arch/x86_64/misc/uacce/uacce.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ +#ifndef UUACCE_H +#define UUACCE_H + +#include +#include + +/* + * 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 -- cgit v1.2.3