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The C and C++ Include Header Files

cat -n /usr/include/scsi/fc/fc_gs.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	/*
     3	 * Copyright(c) 2007 Intel Corporation. All rights reserved.
     4	 *
     5	 * Maintained at www.Open-FCoE.org
     6	 */
     7	
     8	#ifndef _FC_GS_H_
     9	#define	_FC_GS_H_
    10	
    11	#include <linux/types.h>
    12	
    13	/*
    14	 * Fibre Channel Services - Common Transport.
    15	 * From T11.org FC-GS-2 Rev 5.3 November 1998.
    16	 */
    17	
    18	struct fc_ct_hdr {
    19		__u8		ct_rev;		/* revision */
    20		__u8		ct_in_id[3];	/* N_Port ID of original requestor */
    21		__u8		ct_fs_type;	/* type of fibre channel service */
    22		__u8		ct_fs_subtype;	/* subtype */
    23		__u8		ct_options;
    24		__u8		_ct_resvd1;
    25		__be16		ct_cmd;		/* command / response code */
    26		__be16		ct_mr_size;	/* maximum / residual size */
    27		__u8		_ct_resvd2;
    28		__u8		ct_reason;	/* reject reason */
    29		__u8		ct_explan;	/* reason code explanation */
    30		__u8		ct_vendor;	/* vendor unique data */
    31	};
    32	
    33	#define	FC_CT_HDR_LEN	16	/* expected sizeof (struct fc_ct_hdr) */
    34	
    35	enum fc_ct_rev {
    36		FC_CT_REV = 1		/* common transport revision */
    37	};
    38	
    39	/*
    40	 * ct_fs_type values.
    41	 */
    42	enum fc_ct_fs_type {
    43		FC_FST_ALIAS =	0xf8,	/* alias service */
    44		FC_FST_MGMT =	0xfa,	/* management service */
    45		FC_FST_TIME =	0xfb,	/* time service */
    46		FC_FST_DIR =	0xfc,	/* directory service */
    47	};
    48	
    49	/*
    50	 * ct_cmd: Command / response codes
    51	 */
    52	enum fc_ct_cmd {
    53		FC_FS_RJT =	0x8001,	/* reject */
    54		FC_FS_ACC =	0x8002,	/* accept */
    55	};
    56	
    57	/*
    58	 * FS_RJT reason codes.
    59	 */
    60	enum fc_ct_reason {
    61		FC_FS_RJT_CMD =		0x01,	/* invalid command code */
    62		FC_FS_RJT_VER =		0x02,	/* invalid version level */
    63		FC_FS_RJT_LOG =		0x03,	/* logical error */
    64		FC_FS_RJT_IUSIZ =	0x04,	/* invalid IU size */
    65		FC_FS_RJT_BSY =		0x05,	/* logical busy */
    66		FC_FS_RJT_PROTO =	0x07,	/* protocol error */
    67		FC_FS_RJT_UNABL =	0x09,	/* unable to perform command request */
    68		FC_FS_RJT_UNSUP =	0x0b,	/* command not supported */
    69	};
    70	
    71	/*
    72	 * FS_RJT reason code explanations.
    73	 */
    74	enum fc_ct_explan {
    75		FC_FS_EXP_NONE =	0x00,	/* no additional explanation */
    76		FC_FS_EXP_PID =		0x01,	/* port ID not registered */
    77		FC_FS_EXP_PNAM =	0x02,	/* port name not registered */
    78		FC_FS_EXP_NNAM =	0x03,	/* node name not registered */
    79		FC_FS_EXP_COS =		0x04,	/* class of service not registered */
    80		FC_FS_EXP_FTNR =	0x07,	/* FC-4 types not registered */
    81		/* definitions not complete */
    82	};
    83	
    84	#endif /* _FC_GS_H_ */