| 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_ */ |