1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2018 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() */
31 struct 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 */
66 struct 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
89 int lpfc_vport_create(struct fc_vport *, bool);
90 int lpfc_vport_delete(struct fc_vport *);
91 int lpfc_vport_getinfo(struct Scsi_Host *, struct vport_info *);
92 int lpfc_vport_tgt_remove(struct Scsi_Host *, uint, uint);
93 struct lpfc_vport **lpfc_create_vport_work_array(struct lpfc_hba *);
94 void lpfc_destroy_vport_work_array(struct lpfc_hba *, struct lpfc_vport **);
95 int 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
107 struct 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
115 void lpfc_vport_set_state(struct lpfc_vport *vport,
116 enum fc_vport_state new_state);
117
118 void lpfc_vport_reset_stat_data(struct lpfc_vport *);
119 void lpfc_alloc_bucket(struct lpfc_vport *);
120 void lpfc_free_bucket(struct lpfc_vport *);
121
122 #endif /* H_LPFC_VPORT */