1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2006 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
8 * *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
21
22 #ifndef _H_LPFC_VPORT
23 #define _H_LPFC_VPORT
24
25 /* API version values (each will be an individual bit) */
26 #define VPORT_API_VERSION_1 0x01
27
28 /* Values returned via lpfc_vport_getinfo() */
29 struct vport_info {
30
31 uint32_t api_versions;
32 uint8_t linktype;
33 #define VPORT_TYPE_PHYSICAL 0
34 #define VPORT_TYPE_VIRTUAL 1
35
36 uint8_t state;
37 #define VPORT_STATE_OFFLINE 0
38 #define VPORT_STATE_ACTIVE 1
39 #define VPORT_STATE_FAILED 2
40
41 uint8_t fail_reason;
42 uint8_t prev_fail_reason;
43 #define VPORT_FAIL_UNKNOWN 0
44 #define VPORT_FAIL_LINKDOWN 1
45 #define VPORT_FAIL_FAB_UNSUPPORTED 2
46 #define VPORT_FAIL_FAB_NORESOURCES 3
47 #define VPORT_FAIL_FAB_LOGOUT 4
48 #define VPORT_FAIL_ADAP_NORESOURCES 5
49
50 uint8_t node_name[8]; /* WWNN */
51 uint8_t port_name[8]; /* WWPN */
52
53 struct Scsi_Host *shost;
54
55 /* Following values are valid only on physical links */
56 uint32_t vports_max;
57 uint32_t vports_inuse;
58 uint32_t rpi_max;
59 uint32_t rpi_inuse;
60 #define VPORT_CNT_INVALID 0xFFFFFFFF
61 };
62
63 /* data used in link creation */
64 struct vport_data {
65 uint32_t api_version;
66
67 uint32_t options;
68 #define VPORT_OPT_AUTORETRY 0x01
69
70 uint8_t node_name[8]; /* WWNN */
71 uint8_t port_name[8]; /* WWPN */
72
73 /*
74 * Upon successful creation, vport_shost will point to the new Scsi_Host
75 * structure for the new virtual link.
76 */
77 struct Scsi_Host *vport_shost;
78 };
79
80 /* API function return codes */
81 #define VPORT_OK 0
82 #define VPORT_ERROR -1
83 #define VPORT_INVAL -2
84 #define VPORT_NOMEM -3
85 #define VPORT_NORESOURCES -4
86
87 int lpfc_vport_create(struct fc_vport *, bool);
88 int lpfc_vport_delete(struct fc_vport *);
89 int lpfc_vport_getinfo(struct Scsi_Host *, struct vport_info *);
90 int lpfc_vport_tgt_remove(struct Scsi_Host *, uint, uint);
91 struct lpfc_vport **lpfc_create_vport_work_array(struct lpfc_hba *);
92 void lpfc_destroy_vport_work_array(struct lpfc_hba *, struct lpfc_vport **);
93
94 /*
95 * queuecommand VPORT-specific return codes. Specified in the host byte code.
96 * Returned when the virtual link has failed or is not active.
97 */
98 #define DID_VPORT_ERROR 0x0f
99
100 #define VPORT_INFO 0x1
101 #define VPORT_CREATE 0x2
102 #define VPORT_DELETE 0x4
103
104 struct vport_cmd_tag {
105 uint32_t cmd;
106 struct vport_data cdata;
107 struct vport_info cinfo;
108 void *vport;
109 int vport_num;
110 };
111
112 void lpfc_vport_set_state(struct lpfc_vport *vport,
113 enum fc_vport_state new_state);
114
115 void lpfc_vport_reset_stat_data(struct lpfc_vport *);
116 void lpfc_alloc_bucket(struct lpfc_vport *);
117 void lpfc_free_bucket(struct lpfc_vport *);
118
119 #endif /* H_LPFC_VPORT */
120
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