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  • only in /netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/drivers/scsi/lpfc/
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() */
29struct 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 */
64struct 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
87int lpfc_vport_create(struct fc_vport *, bool);
88int lpfc_vport_delete(struct fc_vport *);
89int lpfc_vport_getinfo(struct Scsi_Host *, struct vport_info *);
90int lpfc_vport_tgt_remove(struct Scsi_Host *, uint, uint);
91struct lpfc_vport **lpfc_create_vport_work_array(struct lpfc_hba *);
92void 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
104struct 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
112void lpfc_vport_set_state(struct lpfc_vport *vport,
113			  enum fc_vport_state new_state);
114
115void lpfc_vport_reset_stat_data(struct lpfc_vport *);
116void lpfc_alloc_bucket(struct lpfc_vport *);
117void lpfc_free_bucket(struct lpfc_vport *);
118
119#endif /* H_LPFC_VPORT */
120