Release 4.7 include/uapi/scsi/fc/fc_ns.h
/*
* Copyright(c) 2007 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
* Maintained at www.Open-FCoE.org
*/
#ifndef _FC_NS_H_
#define _FC_NS_H_
#include <linux/types.h>
/*
* Fibre Channel Services - Name Service (dNS)
* From T11.org FC-GS-2 Rev 5.3 November 1998.
*/
/*
* Common-transport sub-type for Name Server.
*/
#define FC_NS_SUBTYPE 2
/* fs_ct_hdr.ct_fs_subtype */
/*
* Name server Requests.
* Note: this is an incomplete list, some unused requests are omitted.
*/
enum fc_ns_req {
FC_NS_GA_NXT = 0x0100, /* get all next */
FC_NS_GI_A = 0x0101, /* get identifiers - scope */
FC_NS_GPN_ID = 0x0112, /* get port name by ID */
FC_NS_GNN_ID = 0x0113, /* get node name by ID */
FC_NS_GSPN_ID = 0x0118, /* get symbolic port name */
FC_NS_GID_PN = 0x0121, /* get ID for port name */
FC_NS_GID_NN = 0x0131, /* get IDs for node name */
FC_NS_GID_FT = 0x0171, /* get IDs by FC4 type */
FC_NS_GPN_FT = 0x0172, /* get port names by FC4 type */
FC_NS_GID_PT = 0x01a1, /* get IDs by port type */
FC_NS_RPN_ID = 0x0212, /* reg port name for ID */
FC_NS_RNN_ID = 0x0213, /* reg node name for ID */
FC_NS_RFT_ID = 0x0217, /* reg FC4 type for ID */
FC_NS_RSPN_ID = 0x0218, /* reg symbolic port name */
FC_NS_RFF_ID = 0x021f, /* reg FC4 Features for ID */
FC_NS_RSNN_NN = 0x0239, /* reg symbolic node name */
};
/*
* Port type values.
*/
enum fc_ns_pt {
FC_NS_UNID_PORT = 0x00, /* unidentified */
FC_NS_N_PORT = 0x01, /* N port */
FC_NS_NL_PORT = 0x02, /* NL port */
FC_NS_FNL_PORT = 0x03, /* F/NL port */
FC_NS_NX_PORT = 0x7f, /* Nx port */
FC_NS_F_PORT = 0x81, /* F port */
FC_NS_FL_PORT = 0x82, /* FL port */
FC_NS_E_PORT = 0x84, /* E port */
FC_NS_B_PORT = 0x85, /* B port */
};
/*
* Port type object.
*/
struct fc_ns_pt_obj {
__u8 pt_type;
};
/*
* Port ID object
*/
struct fc_ns_fid {
__u8 fp_flags; /* flags for responses only */
__u8 fp_fid[3];
};
/*
* fp_flags in port ID object, for responses only.
*/
#define FC_NS_FID_LAST 0x80
/* last object */
/*
* FC4-types object.
*/
#define FC_NS_TYPES 256
/* number of possible FC-4 types */
#define FC_NS_BPW 32
/* bits per word in bitmap */
struct fc_ns_fts {
__be32 ff_type_map[FC_NS_TYPES / FC_NS_BPW]; /* bitmap of FC-4 types */
};
/*
* FC4-features object.
*/
struct fc_ns_ff {
__be32 fd_feat[FC_NS_TYPES * 4 / FC_NS_BPW]; /* 4-bits per FC-type */
};
/*
* GID_PT request.
*/
struct fc_ns_gid_pt {
__u8 fn_pt_type;
__u8 fn_domain_id_scope;
__u8 fn_area_id_scope;
__u8 fn_resvd;
};
/*
* GID_FT or GPN_FT request.
*/
struct fc_ns_gid_ft {
__u8 fn_resvd;
__u8 fn_domain_id_scope;
__u8 fn_area_id_scope;
__u8 fn_fc4_type;
};
/*
* GPN_FT response.
*/
struct fc_gpn_ft_resp {
__u8 fp_flags; /* see fp_flags definitions above */
__u8 fp_fid[3]; /* port ID */
__be32 fp_resvd;
__be64 fp_wwpn; /* port name */
};
/*
* GID_PN request
*/
struct fc_ns_gid_pn {
__be64 fn_wwpn; /* port name */
};
/*
* GID_PN response or GSPN_ID request
*/
struct fc_gid_pn_resp {
__u8 fp_resvd;
__u8 fp_fid[3]; /* port ID */
};
/*
* GSPN_ID response
*/
struct fc_gspn_resp {
__u8 fp_name_len;
char fp_name[];
};
/*
* RFT_ID request - register FC-4 types for ID.
*/
struct fc_ns_rft_id {
struct fc_ns_fid fr_fid; /* port ID object */
struct fc_ns_fts fr_fts; /* FC-4 types object */
};
/*
* RPN_ID request - register port name for ID.
* RNN_ID request - register node name for ID.
*/
struct fc_ns_rn_id {
struct fc_ns_fid fr_fid; /* port ID object */
__be64 fr_wwn; /* node name or port name */
} __attribute__((__packed__));
/*
* RSNN_NN request - register symbolic node name
*/
struct fc_ns_rsnn {
__be64 fr_wwn; /* node name */
__u8 fr_name_len;
char fr_name[];
} __attribute__((__packed__));
/*
* RSPN_ID request - register symbolic port name
*/
struct fc_ns_rspn {
struct fc_ns_fid fr_fid; /* port ID object */
__u8 fr_name_len;
char fr_name[];
} __attribute__((__packed__));
/*
* RFF_ID request - register FC-4 Features for ID.
*/
struct fc_ns_rff_id {
struct fc_ns_fid fr_fid; /* port ID object */
__u8 fr_resvd[2];
__u8 fr_feat; /* FC-4 Feature bits */
__u8 fr_type; /* FC-4 type */
} __attribute__((__packed__));
#endif /* _FC_NS_H_ */
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