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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Copyright(c) 2007 Intel Corporation. All rights reserved.
*
* Maintained at www.Open-FCoE.org
*/
#ifndef _FC_GS_H_
#define _FC_GS_H_
#include <linux/types.h>
/*
* Fibre Channel Services - Common Transport.
* From T11.org FC-GS-2 Rev 5.3 November 1998.
*/
struct fc_ct_hdr {
__u8 ct_rev; /* revision */
__u8 ct_in_id[3]; /* N_Port ID of original requestor */
__u8 ct_fs_type; /* type of fibre channel service */
__u8 ct_fs_subtype; /* subtype */
__u8 ct_options;
__u8 _ct_resvd1;
__be16 ct_cmd; /* command / response code */
__be16 ct_mr_size; /* maximum / residual size */
__u8 _ct_resvd2;
__u8 ct_reason; /* reject reason */
__u8 ct_explan; /* reason code explanation */
__u8 ct_vendor; /* vendor unique data */
};
#define FC_CT_HDR_LEN 16 /* expected sizeof (struct fc_ct_hdr) */
enum fc_ct_rev {
FC_CT_REV = 1 /* common transport revision */
};
/*
* ct_fs_type values.
*/
enum fc_ct_fs_type {
FC_FST_ALIAS = 0xf8, /* alias service */
FC_FST_MGMT = 0xfa, /* management service */
FC_FST_TIME = 0xfb, /* time service */
FC_FST_DIR = 0xfc, /* directory service */
};
/*
* ct_cmd: Command / response codes
*/
enum fc_ct_cmd {
FC_FS_RJT = 0x8001, /* reject */
FC_FS_ACC = 0x8002, /* accept */
};
/*
* FS_RJT reason codes.
*/
enum fc_ct_reason {
FC_FS_RJT_CMD = 0x01, /* invalid command code */
FC_FS_RJT_VER = 0x02, /* invalid version level */
FC_FS_RJT_LOG = 0x03, /* logical error */
FC_FS_RJT_IUSIZ = 0x04, /* invalid IU size */
FC_FS_RJT_BSY = 0x05, /* logical busy */
FC_FS_RJT_PROTO = 0x07, /* protocol error */
FC_FS_RJT_UNABL = 0x09, /* unable to perform command request */
FC_FS_RJT_UNSUP = 0x0b, /* command not supported */
};
/*
* FS_RJT reason code explanations.
*/
enum fc_ct_explan {
FC_FS_EXP_NONE = 0x00, /* no additional explanation */
FC_FS_EXP_PID = 0x01, /* port ID not registered */
FC_FS_EXP_PNAM = 0x02, /* port name not registered */
FC_FS_EXP_NNAM = 0x03, /* node name not registered */
FC_FS_EXP_COS = 0x04, /* class of service not registered */
FC_FS_EXP_FTNR = 0x07, /* FC-4 types not registered */
/* definitions not complete */
};
#endif /* _FC_GS_H_ */
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