xref: /OK3568_Linux_fs/kernel/drivers/scsi/lpfc/lpfc_vport.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*******************************************************************
2*4882a593Smuzhiyun  * This file is part of the Emulex Linux Device Driver for         *
3*4882a593Smuzhiyun  * Fibre Channel Host Bus Adapters.                                *
4*4882a593Smuzhiyun  * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term *
5*4882a593Smuzhiyun  * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.     *
6*4882a593Smuzhiyun  * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
7*4882a593Smuzhiyun  * EMULEX and SLI are trademarks of Emulex.                        *
8*4882a593Smuzhiyun  * www.broadcom.com                                                *
9*4882a593Smuzhiyun  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
10*4882a593Smuzhiyun  *                                                                 *
11*4882a593Smuzhiyun  * This program is free software; you can redistribute it and/or   *
12*4882a593Smuzhiyun  * modify it under the terms of version 2 of the GNU General       *
13*4882a593Smuzhiyun  * Public License as published by the Free Software Foundation.    *
14*4882a593Smuzhiyun  * This program is distributed in the hope that it will be useful. *
15*4882a593Smuzhiyun  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
16*4882a593Smuzhiyun  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
17*4882a593Smuzhiyun  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
18*4882a593Smuzhiyun  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
19*4882a593Smuzhiyun  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
20*4882a593Smuzhiyun  * more details, a copy of which can be found in the file COPYING  *
21*4882a593Smuzhiyun  * included with this package.                                     *
22*4882a593Smuzhiyun  *******************************************************************/
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #ifndef _H_LPFC_VPORT
25*4882a593Smuzhiyun #define _H_LPFC_VPORT
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun /* API version values (each will be an individual bit) */
28*4882a593Smuzhiyun #define VPORT_API_VERSION_1	0x01
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun /* Values returned via lpfc_vport_getinfo() */
31*4882a593Smuzhiyun struct vport_info {
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun 	uint32_t api_versions;
34*4882a593Smuzhiyun 	uint8_t linktype;
35*4882a593Smuzhiyun #define  VPORT_TYPE_PHYSICAL	0
36*4882a593Smuzhiyun #define  VPORT_TYPE_VIRTUAL	1
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun 	uint8_t state;
39*4882a593Smuzhiyun #define  VPORT_STATE_OFFLINE	0
40*4882a593Smuzhiyun #define  VPORT_STATE_ACTIVE	1
41*4882a593Smuzhiyun #define  VPORT_STATE_FAILED	2
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun 	uint8_t fail_reason;
44*4882a593Smuzhiyun 	uint8_t prev_fail_reason;
45*4882a593Smuzhiyun #define  VPORT_FAIL_UNKNOWN	0
46*4882a593Smuzhiyun #define  VPORT_FAIL_LINKDOWN	1
47*4882a593Smuzhiyun #define  VPORT_FAIL_FAB_UNSUPPORTED	2
48*4882a593Smuzhiyun #define  VPORT_FAIL_FAB_NORESOURCES	3
49*4882a593Smuzhiyun #define  VPORT_FAIL_FAB_LOGOUT	4
50*4882a593Smuzhiyun #define  VPORT_FAIL_ADAP_NORESOURCES	5
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun 	uint8_t node_name[8];	/* WWNN */
53*4882a593Smuzhiyun 	uint8_t port_name[8];	/* WWPN */
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun 	struct Scsi_Host *shost;
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun /* Following values are valid only on physical links */
58*4882a593Smuzhiyun 	uint32_t vports_max;
59*4882a593Smuzhiyun 	uint32_t vports_inuse;
60*4882a593Smuzhiyun 	uint32_t rpi_max;
61*4882a593Smuzhiyun 	uint32_t rpi_inuse;
62*4882a593Smuzhiyun #define  VPORT_CNT_INVALID	0xFFFFFFFF
63*4882a593Smuzhiyun };
64*4882a593Smuzhiyun 
65*4882a593Smuzhiyun /* data used  in link creation */
66*4882a593Smuzhiyun struct vport_data {
67*4882a593Smuzhiyun 	uint32_t api_version;
68*4882a593Smuzhiyun 
69*4882a593Smuzhiyun 	uint32_t options;
70*4882a593Smuzhiyun #define  VPORT_OPT_AUTORETRY	0x01
71*4882a593Smuzhiyun 
72*4882a593Smuzhiyun 	uint8_t node_name[8];	/* WWNN */
73*4882a593Smuzhiyun 	uint8_t port_name[8];	/* WWPN */
74*4882a593Smuzhiyun 
75*4882a593Smuzhiyun /*
76*4882a593Smuzhiyun  *  Upon successful creation, vport_shost will point to the new Scsi_Host
77*4882a593Smuzhiyun  *  structure for the new virtual link.
78*4882a593Smuzhiyun  */
79*4882a593Smuzhiyun 	struct Scsi_Host *vport_shost;
80*4882a593Smuzhiyun };
81*4882a593Smuzhiyun 
82*4882a593Smuzhiyun /* API function return codes */
83*4882a593Smuzhiyun #define VPORT_OK	0
84*4882a593Smuzhiyun #define VPORT_ERROR	-1
85*4882a593Smuzhiyun #define VPORT_INVAL	-2
86*4882a593Smuzhiyun #define VPORT_NOMEM	-3
87*4882a593Smuzhiyun #define VPORT_NORESOURCES	-4
88*4882a593Smuzhiyun 
89*4882a593Smuzhiyun int lpfc_vport_create(struct fc_vport *, bool);
90*4882a593Smuzhiyun int lpfc_vport_delete(struct fc_vport *);
91*4882a593Smuzhiyun int lpfc_vport_getinfo(struct Scsi_Host *, struct vport_info *);
92*4882a593Smuzhiyun int lpfc_vport_tgt_remove(struct Scsi_Host *, uint, uint);
93*4882a593Smuzhiyun struct lpfc_vport **lpfc_create_vport_work_array(struct lpfc_hba *);
94*4882a593Smuzhiyun void lpfc_destroy_vport_work_array(struct lpfc_hba *, struct lpfc_vport **);
95*4882a593Smuzhiyun int lpfc_alloc_vpi(struct lpfc_hba *phba);
96*4882a593Smuzhiyun 
97*4882a593Smuzhiyun /*
98*4882a593Smuzhiyun  *  queuecommand  VPORT-specific return codes. Specified in  the host byte code.
99*4882a593Smuzhiyun  *  Returned when the virtual link has failed or is not active.
100*4882a593Smuzhiyun  */
101*4882a593Smuzhiyun #define  DID_VPORT_ERROR	0x0f
102*4882a593Smuzhiyun 
103*4882a593Smuzhiyun #define VPORT_INFO	0x1
104*4882a593Smuzhiyun #define VPORT_CREATE	0x2
105*4882a593Smuzhiyun #define VPORT_DELETE	0x4
106*4882a593Smuzhiyun 
107*4882a593Smuzhiyun struct vport_cmd_tag {
108*4882a593Smuzhiyun 	uint32_t cmd;
109*4882a593Smuzhiyun 	struct vport_data cdata;
110*4882a593Smuzhiyun 	struct vport_info cinfo;
111*4882a593Smuzhiyun 	void *vport;
112*4882a593Smuzhiyun 	int vport_num;
113*4882a593Smuzhiyun };
114*4882a593Smuzhiyun 
115*4882a593Smuzhiyun void lpfc_vport_set_state(struct lpfc_vport *vport,
116*4882a593Smuzhiyun 			  enum fc_vport_state new_state);
117*4882a593Smuzhiyun 
118*4882a593Smuzhiyun void lpfc_vport_reset_stat_data(struct lpfc_vport *);
119*4882a593Smuzhiyun void lpfc_alloc_bucket(struct lpfc_vport *);
120*4882a593Smuzhiyun void lpfc_free_bucket(struct lpfc_vport *);
121*4882a593Smuzhiyun 
122*4882a593Smuzhiyun #endif /* H_LPFC_VPORT */
123