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 uint8_t ct_rev; /* revision */ 20 uint8_t ct_in_id[3]; /* N_Port ID of original requestor */ 21 uint8_t ct_fs_type; /* type of fibre channel service */ 22 uint8_t ct_fs_subtype; /* subtype */ 23 uint8_t ct_options; 24 uint8_t _ct_resvd1; 25 uint16_t ct_cmd; /* command / response code */ 26 uint16_t ct_mr_size; /* maximum / residual size */ 27 uint8_t _ct_resvd2; 28 uint8_t ct_reason; /* reject reason */ 29 uint8_t ct_explan; /* reason code explanation */ 30 uint8_t 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_ */ 85