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