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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.org6 */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 18struct 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 35enum fc_ct_rev {36 FC_CT_REV = 1 /* common transport revision */37};38 39/*40 * ct_fs_type values.41 */42enum 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 codes51 */52enum fc_ct_cmd {53 FC_FS_RJT = 0x8001, /* reject */54 FC_FS_ACC = 0x8002, /* accept */55};56 57/*58 * FS_RJT reason codes.59 */60enum 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 */74enum 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