/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (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 (c) 1995,1997-1998 by Sun Microsystems, Inc.
 * All rights reserved.
 */

#ifndef _SYS_FC4_LINKAPP_H
#define _SYS_FC4_LINKAPP_H

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * linkapp.h
 *
 *      This file contains the definitions for structures and macros
 *      for fiber channel link application payloads and data.
 */

/*
 * Well Known Fiber Chaneel Addresses to reach the fabric for
 * various services.
 */

#define FS_GENERAL_MULTICAST    0xfffff7
#define FS_WELL_KNOWN_MULTICAST 0xfffff8
#define FS_HUNT_GROUP           0xfffff9
#define FS_MANAGEMENT_SERVER    0xfffffa
#define FS_TIME_SERVER          0xfffffb
#define FS_NAME_SERVER          0xfffffc
#define FS_FABRIC_CONTROLLER    0xfffffd
#define FS_FABRIC_F_PORT        0xfffffe
#define FS_BROADCAST            0xffffff

/*
 * Link Application Opcodes.
 */

#define LA_RJT          0x01000000
#define LA_ACC          0x02000000
#define LA_LOGI         0x03000000
#define LA_LOGO         0x04000000
#define LA_RLS          0x0d000000
#define LA_IDENT        0x20000000

/* Basic Accept Payload. */
typedef struct ba_acc {
        uchar_t         seq_id:8;
        uchar_t         org_s_id[3];
        ushort_t        ox_id;
        ushort_t        rx_id;
} ba_acc_t;

/* Basic Reject. */
typedef struct ba_rjt {
        uchar_t         reseved;
        uchar_t         reason_code;
        uchar_t         explanation;
        uchar_t         vendor;
} ba_rjt_t;

/*
 * Basic Reject Reason Codes.
 */
#define RJT_INVALID_CMD         0x01
#define RJT_LOGICAL_ERR         0x03
#define RJT_LOGICAL_BUSY        0x05
#define RJT_PROTOCOL_ERR        0x07
#define RJT_UNABLE              0x09
#define RJT_UNSUPPORTED         0x0B
#define RJT_VENDOR              0xFF

/*
 * Basic Reject Explanation Codes
 */
#define RJT_NOEXPLANATION       0x00
#define RJT_INVALID_OSID        0x01
#define RJT_INVALID_OXID_RXID   0x03
#define RJT_INVALID_SEQID       0x05
#define RJT_ABORT_INACTIVE_SEQ  0x07
#define RJT_UNABLE_TO_SUPPLY    0x09

/*
 * Service parameters.
 */
typedef struct common_service {
        uint_t          fcph;
        uint_t          btob_crdt;
        uint_t          cmn_features;
        uint_t          reserved;
} common_svc_t;

typedef struct service_param {
        uchar_t         data[16];
} svc_param_t;

/* World Wide Name formats */
typedef union la_wwn {
        uchar_t         raw_wwn[8];
        struct {
            uint_t      naa_id : 4;
            uint_t      nport_id : 12;
            uint_t      wwn_hi : 16;
            uint_t      wwn_lo;
        } w;
} la_wwn_t;

/*
 * Values for naa_id
 */
#define NAA_ID_IEEE             1
#define NAA_ID_IEEE_EXTENDED    2

/* Login Payload. */
typedef struct la_logi {
        unsigned        code;
        common_svc_t    common_service;

        la_wwn_t        nport_ww_name;
        la_wwn_t        node_ww_name;

        svc_param_t     class_1;
        svc_param_t     class_2;
        svc_param_t     class_3;
} la_logi_t;

#define SP_F_PORT_LOGIN 0x10

/* Read Link Error Status */
typedef struct la_rls {
        unsigned        code;
        uchar_t         reserved;
        uchar_t         nport_id[3];
} la_rls_t;

/* Read Link Error Status Reply */
typedef struct la_rls_reply {
        unsigned        code;
        unsigned        link_failure;
        unsigned        loss_of_sync;
        unsigned        loss_of_signal;
        unsigned        primitive;
        unsigned        invalid_transmission;
        unsigned        invalid_crc;
} la_rls_reply_t;

/* Logout payload. */
typedef struct la_logo {
        unsigned        cmd;
} la_logo_t;

/* Logout reply payload. */
typedef la_logo_t la_logo_reply_t;

/* Link Application Reject */
typedef struct la_rjt {
        int     code;
        uchar_t reserved;
        uchar_t reason_code;
        uchar_t explanation;
        uchar_t vendor;
} la_rjt_t;

/*
 * LA_RJT Reason Codes.
 */
#define LA_RJT_INVALID                  0x01
#define LA_RJT_LOGICAL_ERR              0x03
#define LA_RJT_LOGICAL_BUSY             0x05
#define LA_RJT_PROTOCOL_ERR             0x07
#define LA_RJT_UNABLE_TO_PERFORM        0x09
#define LA_RJT_NOT_SUPPORTED            0x0b
#define LA_RJT_VENDOR                   0xff

/*
 * LA_RJT explanations
 */
#define LA_RJT_NOEXPLANATION    0x00
#define LA_RJT_OPTIONS          0x01
#define LA_RJT_INITIATOR        0x03
#define LA_RJT_RECIPIENT        0x05
#define LA_RJT_DATA_FIELD_SIZE  0x07
#define LA_RJT_CONCURRENT       0x09
#define LA_RJT_CREDIT           0x0b

#define LA_RJT_INVALID_PORT_WWNAME      0x0d
#define LA_RJT_INVALID_NODE_WWNAME      0x0e
#define LA_RJT_INVALID_COMMON_SVC       0x0f

#define LA_RJT_INSUFFICENT      0x29

#ifdef  __cplusplus
}
#endif

#endif  /* !_SYS_FC4_LINKAPP_H */