1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * Copyright(c) 2007 Intel Corporation. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Maintained at www.Open-FCoE.org 19 */ 20 21 #ifndef _FC_GS_H_ 22 #define _FC_GS_H_ 23 24 #include <linux/types.h> 25 26 /* 27 * Fibre Channel Services - Common Transport. 28 * From T11.org FC-GS-2 Rev 5.3 November 1998. 29 */ 30 31 struct fc_ct_hdr { 32 __u8 ct_rev; /* revision */ 33 __u8 ct_in_id[3]; /* N_Port ID of original requestor */ 34 __u8 ct_fs_type; /* type of fibre channel service */ 35 __u8 ct_fs_subtype; /* subtype */ 36 __u8 ct_options; 37 __u8 _ct_resvd1; 38 __be16 ct_cmd; /* command / response code */ 39 __be16 ct_mr_size; /* maximum / residual size */ 40 __u8 _ct_resvd2; 41 __u8 ct_reason; /* reject reason */ 42 __u8 ct_explan; /* reason code explanation */ 43 __u8 ct_vendor; /* vendor unique data */ 44 }; 45 46 #define FC_CT_HDR_LEN 16 /* expected sizeof (struct fc_ct_hdr) */ 47 48 enum fc_ct_rev { 49 FC_CT_REV = 1 /* common transport revision */ 50 }; 51 52 /* 53 * ct_fs_type values. 54 */ 55 enum fc_ct_fs_type { 56 FC_FST_ALIAS = 0xf8, /* alias service */ 57 FC_FST_MGMT = 0xfa, /* management service */ 58 FC_FST_TIME = 0xfb, /* time service */ 59 FC_FST_DIR = 0xfc, /* directory service */ 60 }; 61 62 /* 63 * ct_cmd: Command / response codes 64 */ 65 enum fc_ct_cmd { 66 FC_FS_RJT = 0x8001, /* reject */ 67 FC_FS_ACC = 0x8002, /* accept */ 68 }; 69 70 /* 71 * FS_RJT reason codes. 72 */ 73 enum fc_ct_reason { 74 FC_FS_RJT_CMD = 0x01, /* invalid command code */ 75 FC_FS_RJT_VER = 0x02, /* invalid version level */ 76 FC_FS_RJT_LOG = 0x03, /* logical error */ 77 FC_FS_RJT_IUSIZ = 0x04, /* invalid IU size */ 78 FC_FS_RJT_BSY = 0x05, /* logical busy */ 79 FC_FS_RJT_PROTO = 0x07, /* protocol error */ 80 FC_FS_RJT_UNABL = 0x09, /* unable to perform command request */ 81 FC_FS_RJT_UNSUP = 0x0b, /* command not supported */ 82 }; 83 84 /* 85 * FS_RJT reason code explanations. 86 */ 87 enum fc_ct_explan { 88 FC_FS_EXP_NONE = 0x00, /* no additional explanation */ 89 FC_FS_EXP_PID = 0x01, /* port ID not registered */ 90 FC_FS_EXP_PNAM = 0x02, /* port name not registered */ 91 FC_FS_EXP_NNAM = 0x03, /* node name not registered */ 92 FC_FS_EXP_COS = 0x04, /* class of service not registered */ 93 FC_FS_EXP_FTNR = 0x07, /* FC-4 types not registered */ 94 /* definitions not complete */ 95 }; 96 97 #endif /* _FC_GS_H_ */ 98