linux/include/uapi/linux/idxd.h

/* SPDX-License-Identifier: LGPL-2.1 WITH Linux-syscall-note */
/* Copyright(c) 2019 Intel Corporation. All rights rsvd. */
#ifndef _USR_IDXD_H_
#define _USR_IDXD_H_

#ifdef __KERNEL__
#include <linux/types.h>
#else
#include <stdint.h>
#endif

/* Driver command error status */
enum idxd_scmd_stat { … };

#define IDXD_SCMD_SOFTERR_MASK …
#define IDXD_SCMD_SOFTERR_SHIFT …

/* Descriptor flags */
#define IDXD_OP_FLAG_FENCE …
#define IDXD_OP_FLAG_BOF …
#define IDXD_OP_FLAG_CRAV …
#define IDXD_OP_FLAG_RCR …
#define IDXD_OP_FLAG_RCI …
#define IDXD_OP_FLAG_CRSTS …
#define IDXD_OP_FLAG_CR …
#define IDXD_OP_FLAG_CC …
#define IDXD_OP_FLAG_ADDR1_TCS …
#define IDXD_OP_FLAG_ADDR2_TCS …
#define IDXD_OP_FLAG_ADDR3_TCS …
#define IDXD_OP_FLAG_CR_TCS …
#define IDXD_OP_FLAG_STORD …
#define IDXD_OP_FLAG_DRDBK …
#define IDXD_OP_FLAG_DSTS …

/* IAX */
#define IDXD_OP_FLAG_RD_SRC2_AECS …
#define IDXD_OP_FLAG_RD_SRC2_2ND …
#define IDXD_OP_FLAG_WR_SRC2_AECS_COMP …
#define IDXD_OP_FLAG_WR_SRC2_AECS_OVFL …
#define IDXD_OP_FLAG_SRC2_STS …
#define IDXD_OP_FLAG_CRC_RFC3720 …

/* Opcode */
enum dsa_opcode { … };

enum iax_opcode { … };

/* Completion record status */
enum dsa_completion_status { … };

enum iax_completion_status { … };

#define DSA_COMP_STATUS_MASK …
#define DSA_COMP_STATUS_WRITE …
#define DSA_COMP_STATUS(status) …

struct dsa_hw_desc { … } __attribute__((packed));

struct iax_hw_desc { … } __attribute__((packed));

struct dsa_raw_desc { … } __attribute__((packed));

/*
 * The status field will be modified by hardware, therefore it should be
 * volatile and prevent the compiler from optimize the read.
 */
struct dsa_completion_record { … } __attribute__((packed));

struct dsa_raw_completion_record { … } __attribute__((packed));

struct iax_completion_record { … } __attribute__((packed));

struct iax_raw_completion_record { … } __attribute__((packed));

#endif