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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_IB_ADAPTERS_MLNX_UMAP_H
#define _SYS_IB_ADAPTERS_MLNX_UMAP_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* mlnx_umap.h
* Contains all of the definions necessary for communicating the data
* needed for direct userland access to resources on Mellanox HCAs.
*/
/*
* Note: The structs in this file are used in the interface(s)
* between kernel service drivers, e.g. daplt, and the libraries
* on top of them, e.g. udapl_tavor.so.1. When any of the
* structs in this file change, any version control between the
* kernel service driver and the library will need to change.
*
* There is a version control on the structs defined here. The library
* (consumer of structs from ibt_ci_data_out()) must verify a version
* field to correctly read the data provided by the kernel driver
* (tavor, arbel, and hermon).
*/
#define MLNX_UMAP_IF_VERSION 2
/*
* The following defines are used in the database type field for each database
* entry. They specify the type of object (UAR pages, PIDs, CQ, QP, and MR
* umemcookie) that corresponds to the database key value. On database queries,
* this type value must match the search criterion.
*/
#define MLNX_UMAP_UARPG_RSRC 0x11
#define MLNX_UMAP_BLUEFLAMEPG_RSRC 0x12
#define MLNX_UMAP_PID_RSRC 0x22
#define MLNX_UMAP_CQMEM_RSRC 0x33
#define MLNX_UMAP_QPMEM_RSRC 0x44
#define MLNX_UMAP_MRMEM_RSRC 0x55
#define MLNX_UMAP_SRQMEM_RSRC 0x66
#define MLNX_UMAP_DBRMEM_RSRC 0x77
#define MLNX_UMAP_RSRC_TYPE_MASK 0xFF
#define MLNX_UMAP_RSRC_TYPE_SHIFT 8
/* umap structures */
typedef struct mlnx_umap_cq_data_out_s {
uint_t mcq_rev;
uint32_t mcq_cqnum;
uint64_t mcq_mapoffset;
uint64_t mcq_maplen;
uint32_t mcq_numcqe;
uint32_t mcq_cqesz;
/* Arbel/Hermon doorbell records */
uint64_t mcq_armdbr_mapoffset;
uint64_t mcq_armdbr_maplen;
uint64_t mcq_polldbr_mapoffset;
uint64_t mcq_polldbr_maplen;
uint32_t mcq_armdbr_offset;
uint32_t mcq_polldbr_offset;
} mlnx_umap_cq_data_out_t;
typedef struct mlnx_umap_qp_data_out_s {
uint_t mqp_rev;
uint32_t mqp_qpnum;
uint64_t mqp_mapoffset;
uint64_t mqp_maplen;
uint32_t mqp_rq_off;
uint32_t mqp_rq_desc_addr;
uint32_t mqp_rq_numwqe;
uint32_t mqp_rq_wqesz;
uint32_t mqp_sq_off;
uint32_t mqp_sq_desc_addr;
uint32_t mqp_sq_numwqe;
uint32_t mqp_sq_wqesz;
/* Arbel/Hermon doorbell records */
uint64_t mqp_sdbr_mapoffset;
uint64_t mqp_sdbr_maplen;
uint64_t mqp_rdbr_mapoffset;
uint64_t mqp_rdbr_maplen;
uint32_t mqp_sdbr_offset;
uint32_t mqp_rdbr_offset;
/* Hermon send queue headroom, in units of wqes */
uint32_t mqp_sq_headroomwqes;
} mlnx_umap_qp_data_out_t;
typedef struct mlnx_umap_srq_data_out_s {
uint_t msrq_rev;
uint32_t msrq_srqnum;
uint64_t msrq_mapoffset;
uint64_t msrq_maplen;
uint32_t msrq_desc_addr;
uint32_t msrq_numwqe;
uint32_t msrq_wqesz;
uint32_t msrq_pad1; /* reserved */
/* Arbel/Hermon doorbell records */
uint64_t msrq_rdbr_mapoffset;
uint64_t msrq_rdbr_maplen;
uint32_t msrq_rdbr_offset;
uint32_t msrq_reserved;
} mlnx_umap_srq_data_out_t;
typedef struct mlnx_umap_pd_data_out_s {
uint_t mpd_rev;
uint32_t mpd_pdnum;
} mlnx_umap_pd_data_out_t;
#ifdef __cplusplus
}
#endif
#endif /* _SYS_IB_ADAPTERS_MLNX_UMAP_H */
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