1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
6 * Copyright (C) 2004-2006 Emulex. All rights reserved. *
7 * EMULEX and SLI are trademarks of Emulex. *
8 * www.broadcom.com *
9 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
10 * *
11 * This program is free software; you can redistribute it and/or *
12 * modify it under the terms of version 2 of the GNU General *
13 * Public License as published by the Free Software Foundation. *
14 * This program is distributed in the hope that it will be useful. *
15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
19 * TO BE LEGALLY INVALID. See the GNU General Public License for *
20 * more details, a copy of which can be found in the file COPYING *
21 * included with this package. *
22 *******************************************************************/
23
24#ifndef _H_LPFC_VPORT
25#define _H_LPFC_VPORT
26
27/* API version values (each will be an individual bit) */
28#define VPORT_API_VERSION_1 0x01
29
30/* Values returned via lpfc_vport_getinfo() */
31struct vport_info {
32
33 uint32_t api_versions;
34 uint8_t linktype;
35#define VPORT_TYPE_PHYSICAL 0
36#define VPORT_TYPE_VIRTUAL 1
37
38 uint8_t state;
39#define VPORT_STATE_OFFLINE 0
40#define VPORT_STATE_ACTIVE 1
41#define VPORT_STATE_FAILED 2
42
43 uint8_t fail_reason;
44 uint8_t prev_fail_reason;
45#define VPORT_FAIL_UNKNOWN 0
46#define VPORT_FAIL_LINKDOWN 1
47#define VPORT_FAIL_FAB_UNSUPPORTED 2
48#define VPORT_FAIL_FAB_NORESOURCES 3
49#define VPORT_FAIL_FAB_LOGOUT 4
50#define VPORT_FAIL_ADAP_NORESOURCES 5
51
52 uint8_t node_name[8]; /* WWNN */
53 uint8_t port_name[8]; /* WWPN */
54
55 struct Scsi_Host *shost;
56
57/* Following values are valid only on physical links */
58 uint32_t vports_max;
59 uint32_t vports_inuse;
60 uint32_t rpi_max;
61 uint32_t rpi_inuse;
62#define VPORT_CNT_INVALID 0xFFFFFFFF
63};
64
65/* data used in link creation */
66struct vport_data {
67 uint32_t api_version;
68
69 uint32_t options;
70#define VPORT_OPT_AUTORETRY 0x01
71
72 uint8_t node_name[8]; /* WWNN */
73 uint8_t port_name[8]; /* WWPN */
74
75/*
76 * Upon successful creation, vport_shost will point to the new Scsi_Host
77 * structure for the new virtual link.
78 */
79 struct Scsi_Host *vport_shost;
80};
81
82/* API function return codes */
83#define VPORT_OK 0
84#define VPORT_ERROR -1
85#define VPORT_INVAL -2
86#define VPORT_NOMEM -3
87#define VPORT_NORESOURCES -4
88
89int lpfc_vport_create(struct fc_vport *, bool);
90int lpfc_vport_delete(struct fc_vport *);
91int lpfc_vport_getinfo(struct Scsi_Host *, struct vport_info *);
92int lpfc_vport_tgt_remove(struct Scsi_Host *, uint, uint);
93struct lpfc_vport **lpfc_create_vport_work_array(struct lpfc_hba *);
94void lpfc_destroy_vport_work_array(struct lpfc_hba *, struct lpfc_vport **);
95int lpfc_alloc_vpi(struct lpfc_hba *phba);
96
97/*
98 * queuecommand VPORT-specific return codes. Specified in the host byte code.
99 * Returned when the virtual link has failed or is not active.
100 */
101#define DID_VPORT_ERROR 0x0f
102
103#define VPORT_INFO 0x1
104#define VPORT_CREATE 0x2
105#define VPORT_DELETE 0x4
106
107struct vport_cmd_tag {
108 uint32_t cmd;
109 struct vport_data cdata;
110 struct vport_info cinfo;
111 void *vport;
112 int vport_num;
113};
114
115void lpfc_vport_set_state(struct lpfc_vport *vport,
116 enum fc_vport_state new_state);
117
118#endif /* H_LPFC_VPORT */
119

source code of linux/drivers/scsi/lpfc/lpfc_vport.h