140 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			140 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2006 - 2009 Mellanox Technology Inc.  All rights reserved.
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|  *
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|  * This software is available to you under a choice of one of two
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|  * licenses.  You may choose to be licensed under the terms of the GNU
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|  * General Public License (GPL) Version 2, available from the file
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|  * COPYING in the main directory of this source tree, or the
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|  * OpenIB.org BSD license below:
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|  *
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|  *     Redistribution and use in source and binary forms, with or
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|  *     without modification, are permitted provided that the following
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|  *     conditions are met:
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|  *
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|  *      - Redistributions of source code must retain the above
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|  *        copyright notice, this list of conditions and the following
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|  *        disclaimer.
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|  *
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|  *      - Redistributions in binary form must reproduce the above
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|  *        copyright notice, this list of conditions and the following
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|  *        disclaimer in the documentation and/or other materials
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|  *        provided with the distribution.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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|  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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|  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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|  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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|  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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|  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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|  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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|  * SOFTWARE.
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|  *
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|  */
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| 
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| #ifndef IB_DM_MAD_H
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| #define IB_DM_MAD_H
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| 
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| #include <linux/types.h>
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| 
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| #include <rdma/ib_mad.h>
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| 
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| enum {
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| 	/*
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| 	 * See also section 13.4.7 Status Field, table 115 MAD Common Status
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| 	 * Field Bit Values and also section 16.3.1.1 Status Field in the
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| 	 * InfiniBand Architecture Specification.
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| 	 */
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| 	DM_MAD_STATUS_UNSUP_METHOD = 0x0008,
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| 	DM_MAD_STATUS_UNSUP_METHOD_ATTR = 0x000c,
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| 	DM_MAD_STATUS_INVALID_FIELD = 0x001c,
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| 	DM_MAD_STATUS_NO_IOC = 0x0100,
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| 
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| 	/*
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| 	 * See also the Device Management chapter, section 16.3.3 Attributes,
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| 	 * table 279 Device Management Attributes in the InfiniBand
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| 	 * Architecture Specification.
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| 	 */
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| 	DM_ATTR_CLASS_PORT_INFO = 0x01,
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| 	DM_ATTR_IOU_INFO = 0x10,
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| 	DM_ATTR_IOC_PROFILE = 0x11,
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| 	DM_ATTR_SVC_ENTRIES = 0x12
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| };
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| 
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| struct ib_dm_hdr {
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| 	u8 reserved[28];
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| };
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| 
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| /*
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|  * Structure of management datagram sent by the SRP target implementation.
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|  * Contains a management datagram header, reliable multi-packet transaction
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|  * protocol (RMPP) header and ib_dm_hdr. Notes:
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|  * - The SRP target implementation does not use RMPP or ib_dm_hdr when sending
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|  *   management datagrams.
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|  * - The header size must be exactly 64 bytes (IB_MGMT_DEVICE_HDR), since this
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|  *   is the header size that is passed to ib_create_send_mad() in ib_srpt.c.
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|  * - The maximum supported size for a management datagram when not using RMPP
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|  *   is 256 bytes -- 64 bytes header and 192 (IB_MGMT_DEVICE_DATA) bytes data.
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|  */
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| struct ib_dm_mad {
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| 	struct ib_mad_hdr mad_hdr;
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| 	struct ib_rmpp_hdr rmpp_hdr;
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| 	struct ib_dm_hdr dm_hdr;
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| 	u8 data[IB_MGMT_DEVICE_DATA];
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| };
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| 
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| /*
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|  * IOUnitInfo as defined in section 16.3.3.3 IOUnitInfo of the InfiniBand
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|  * Architecture Specification.
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|  */
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| struct ib_dm_iou_info {
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| 	__be16 change_id;
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| 	u8 max_controllers;
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| 	u8 op_rom;
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| 	u8 controller_list[128];
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| };
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| 
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| /*
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|  * IOControllerprofile as defined in section 16.3.3.4 IOControllerProfile of
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|  * the InfiniBand Architecture Specification.
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|  */
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| struct ib_dm_ioc_profile {
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| 	__be64 guid;
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| 	__be32 vendor_id;
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| 	__be32 device_id;
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| 	__be16 device_version;
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| 	__be16 reserved1;
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| 	__be32 subsys_vendor_id;
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| 	__be32 subsys_device_id;
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| 	__be16 io_class;
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| 	__be16 io_subclass;
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| 	__be16 protocol;
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| 	__be16 protocol_version;
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| 	__be16 service_conn;
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| 	__be16 initiators_supported;
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| 	__be16 send_queue_depth;
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| 	u8 reserved2;
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| 	u8 rdma_read_depth;
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| 	__be32 send_size;
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| 	__be32 rdma_size;
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| 	u8 op_cap_mask;
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| 	u8 svc_cap_mask;
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| 	u8 num_svc_entries;
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| 	u8 reserved3[9];
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| 	u8 id_string[64];
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| };
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| 
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| struct ib_dm_svc_entry {
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| 	u8 name[40];
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| 	__be64 id;
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| };
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| 
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| /*
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|  * See also section 16.3.3.5 ServiceEntries in the InfiniBand Architecture
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|  * Specification. See also section B.7, table B.8 in the T10 SRP r16a document.
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|  */
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| struct ib_dm_svc_entries {
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| 	struct ib_dm_svc_entry service_entries[4];
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| };
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| 
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| #endif
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