diff options
Diffstat (limited to 'drivers/scsi/bfa/rport_api.c')
-rw-r--r-- | drivers/scsi/bfa/rport_api.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/rport_api.c b/drivers/scsi/bfa/rport_api.c new file mode 100644 index 000000000000..3dae1774181e --- /dev/null +++ b/drivers/scsi/bfa/rport_api.c | |||
@@ -0,0 +1,180 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. | ||
3 | * All rights reserved | ||
4 | * www.brocade.com | ||
5 | * | ||
6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify it | ||
9 | * under the terms of the GNU General Public License (GPL) Version 2 as | ||
10 | * published by the Free Software Foundation | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, but | ||
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | * General Public License for more details. | ||
16 | */ | ||
17 | #include <bfa.h> | ||
18 | #include <bfa_svc.h> | ||
19 | #include "fcs_vport.h" | ||
20 | #include "fcs_lport.h" | ||
21 | #include "fcs_rport.h" | ||
22 | #include "fcs_trcmod.h" | ||
23 | |||
24 | BFA_TRC_FILE(FCS, RPORT_API); | ||
25 | |||
26 | /** | ||
27 | * rport_api.c Remote port implementation. | ||
28 | */ | ||
29 | |||
30 | /** | ||
31 | * fcs_rport_api FCS rport API. | ||
32 | */ | ||
33 | |||
34 | /** | ||
35 | * Direct API to add a target by port wwn. This interface is used, for | ||
36 | * example, by bios when target pwwn is known from boot lun configuration. | ||
37 | */ | ||
38 | bfa_status_t | ||
39 | bfa_fcs_rport_add(struct bfa_fcs_port_s *port, wwn_t *pwwn, | ||
40 | struct bfa_fcs_rport_s *rport, | ||
41 | struct bfad_rport_s *rport_drv) | ||
42 | { | ||
43 | bfa_trc(port->fcs, *pwwn); | ||
44 | |||
45 | return BFA_STATUS_OK; | ||
46 | } | ||
47 | |||
48 | /** | ||
49 | * Direct API to remove a target and its associated resources. This | ||
50 | * interface is used, for example, by vmware driver to remove target | ||
51 | * ports from the target list for a VM. | ||
52 | */ | ||
53 | bfa_status_t | ||
54 | bfa_fcs_rport_remove(struct bfa_fcs_rport_s *rport_in) | ||
55 | { | ||
56 | |||
57 | struct bfa_fcs_rport_s *rport; | ||
58 | |||
59 | bfa_trc(rport_in->fcs, rport_in->pwwn); | ||
60 | |||
61 | rport = bfa_fcs_port_get_rport_by_pwwn(rport_in->port, rport_in->pwwn); | ||
62 | if (rport == NULL) { | ||
63 | /* | ||
64 | * TBD Error handling | ||
65 | */ | ||
66 | bfa_trc(rport_in->fcs, rport_in->pid); | ||
67 | return BFA_STATUS_UNKNOWN_RWWN; | ||
68 | } | ||
69 | |||
70 | /* | ||
71 | * TBD if this remote port is online, send a logo | ||
72 | */ | ||
73 | return BFA_STATUS_OK; | ||
74 | |||
75 | } | ||
76 | |||
77 | /** | ||
78 | * Remote device status for display/debug. | ||
79 | */ | ||
80 | void | ||
81 | bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, | ||
82 | struct bfa_rport_attr_s *rport_attr) | ||
83 | { | ||
84 | struct bfa_rport_qos_attr_s qos_attr; | ||
85 | struct bfa_fcs_port_s *port = rport->port; | ||
86 | |||
87 | bfa_os_memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s)); | ||
88 | |||
89 | rport_attr->pid = rport->pid; | ||
90 | rport_attr->pwwn = rport->pwwn; | ||
91 | rport_attr->nwwn = rport->nwwn; | ||
92 | rport_attr->cos_supported = rport->fc_cos; | ||
93 | rport_attr->df_sz = rport->maxfrsize; | ||
94 | rport_attr->state = bfa_fcs_rport_get_state(rport); | ||
95 | rport_attr->fc_cos = rport->fc_cos; | ||
96 | rport_attr->cisc = rport->cisc; | ||
97 | rport_attr->scsi_function = rport->scsi_function; | ||
98 | rport_attr->curr_speed = rport->rpf.rpsc_speed; | ||
99 | rport_attr->assigned_speed = rport->rpf.assigned_speed; | ||
100 | |||
101 | bfa_rport_get_qos_attr(rport->bfa_rport, &qos_attr); | ||
102 | rport_attr->qos_attr = qos_attr; | ||
103 | |||
104 | rport_attr->trl_enforced = BFA_FALSE; | ||
105 | if (bfa_pport_is_ratelim(port->fcs->bfa)) { | ||
106 | if ((rport->rpf.rpsc_speed == BFA_PPORT_SPEED_UNKNOWN) || | ||
107 | (rport->rpf.rpsc_speed < | ||
108 | bfa_fcs_port_get_rport_max_speed(port))) | ||
109 | rport_attr->trl_enforced = BFA_TRUE; | ||
110 | } | ||
111 | |||
112 | /* | ||
113 | * TODO | ||
114 | * rport->symname | ||
115 | */ | ||
116 | } | ||
117 | |||
118 | /** | ||
119 | * Per remote device statistics. | ||
120 | */ | ||
121 | void | ||
122 | bfa_fcs_rport_get_stats(struct bfa_fcs_rport_s *rport, | ||
123 | struct bfa_rport_stats_s *stats) | ||
124 | { | ||
125 | *stats = rport->stats; | ||
126 | } | ||
127 | |||
128 | void | ||
129 | bfa_fcs_rport_clear_stats(struct bfa_fcs_rport_s *rport) | ||
130 | { | ||
131 | bfa_os_memset((char *)&rport->stats, 0, | ||
132 | sizeof(struct bfa_rport_stats_s)); | ||
133 | } | ||
134 | |||
135 | struct bfa_fcs_rport_s * | ||
136 | bfa_fcs_rport_lookup(struct bfa_fcs_port_s *port, wwn_t rpwwn) | ||
137 | { | ||
138 | struct bfa_fcs_rport_s *rport; | ||
139 | |||
140 | rport = bfa_fcs_port_get_rport_by_pwwn(port, rpwwn); | ||
141 | if (rport == NULL) { | ||
142 | /* | ||
143 | * TBD Error handling | ||
144 | */ | ||
145 | } | ||
146 | |||
147 | return rport; | ||
148 | } | ||
149 | |||
150 | struct bfa_fcs_rport_s * | ||
151 | bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_port_s *port, wwn_t rnwwn) | ||
152 | { | ||
153 | struct bfa_fcs_rport_s *rport; | ||
154 | |||
155 | rport = bfa_fcs_port_get_rport_by_nwwn(port, rnwwn); | ||
156 | if (rport == NULL) { | ||
157 | /* | ||
158 | * TBD Error handling | ||
159 | */ | ||
160 | } | ||
161 | |||
162 | return rport; | ||
163 | } | ||
164 | |||
165 | /* | ||
166 | * This API is to set the Rport's speed. Should be used when RPSC is not | ||
167 | * supported by the rport. | ||
168 | */ | ||
169 | void | ||
170 | bfa_fcs_rport_set_speed(struct bfa_fcs_rport_s *rport, | ||
171 | enum bfa_pport_speed speed) | ||
172 | { | ||
173 | rport->rpf.assigned_speed = speed; | ||
174 | |||
175 | /* Set this speed in f/w only if the RPSC speed is not available */ | ||
176 | if (rport->rpf.rpsc_speed == BFA_PPORT_SPEED_UNKNOWN) | ||
177 | bfa_rport_speed(rport->bfa_rport, speed); | ||
178 | } | ||
179 | |||
180 | |||