linux/include/uapi/rdma/siw-abi.h

/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause */

/* Authors: Bernard Metzler <[email protected]> */
/* Copyright (c) 2008-2019, IBM Corporation */

#ifndef _SIW_USER_H
#define _SIW_USER_H

#include <linux/types.h>

#define SIW_NODE_DESC_COMMON …
#define SIW_ABI_VERSION …
#define SIW_MAX_SGE …
#define SIW_UOBJ_MAX_KEY …
#define SIW_INVAL_UOBJ_KEY …

struct siw_uresp_create_cq { … };

struct siw_uresp_create_qp { … };

struct siw_ureq_reg_mr { … };

struct siw_uresp_reg_mr { … };

struct siw_uresp_create_srq { … };

struct siw_uresp_alloc_ctx { … };

enum siw_opcode { … };

/* Keep it same as ibv_sge to allow for memcpy */
struct siw_sge { … };

/*
 * Inline data are kept within the work request itself occupying
 * the space of sge[1] .. sge[n]. Therefore, inline data cannot be
 * supported if SIW_MAX_SGE is below 2 elements.
 */
#define SIW_MAX_INLINE …

#if SIW_MAX_SGE < 2
#error "SIW_MAX_SGE must be at least 2"
#endif

enum siw_wqe_flags { … };

/* Send Queue Element */
struct siw_sqe { … };

/* Receive Queue Element */
struct siw_rqe { … };

enum siw_notify_flags { … };

enum siw_wc_status { … };

struct siw_cqe { … };

/*
 * Shared structure between user and kernel
 * to control CQ arming.
 */
struct siw_cq_ctrl { … };
#endif