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Diffstat (limited to 'drivers/scsi/bfa/loop.c')
-rw-r--r--drivers/scsi/bfa/loop.c213
1 files changed, 0 insertions, 213 deletions
diff --git a/drivers/scsi/bfa/loop.c b/drivers/scsi/bfa/loop.c
deleted file mode 100644
index f6342efb6a90..000000000000
--- a/drivers/scsi/bfa/loop.c
+++ /dev/null
@@ -1,213 +0,0 @@
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
18/**
19 * port_loop.c vport private loop implementation.
20 */
21#include <bfa.h>
22#include <bfa_svc.h>
23#include "fcs_lport.h"
24#include "fcs_rport.h"
25#include "fcs_trcmod.h"
26#include "lport_priv.h"
27
28BFA_TRC_FILE(FCS, LOOP);
29
30/**
31 * ALPA to LIXA bitmap mapping
32 *
33 * ALPA 0x00 (Word 0, Bit 30) is invalid for N_Ports. Also Word 0 Bit 31
34 * is for L_bit (login required) and is filled as ALPA 0x00 here.
35 */
36static const u8 port_loop_alpa_map[] = {
37 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, /* Word 3 Bits 0..7 */
38 0xD9, 0xD6, 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, /* Word 3 Bits 8..15 */
39 0xCD, 0xCC, 0xCB, 0xCA, 0xC9, 0xC7, 0xC6, 0xC5, /* Word 3 Bits 16..23 */
40 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, 0xB4, 0xB3, /* Word 3 Bits 24..31 */
41
42 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, /* Word 2 Bits 0..7 */
43 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, /* Word 2 Bits 8..15 */
44 0x98, 0x97, 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, /* Word 2 Bits 16..23 */
45 0x80, 0x7C, 0x7A, 0x79, 0x76, 0x75, 0x74, 0x73, /* Word 2 Bits 24..31 */
46
47 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, 0x6A, 0x69, /* Word 1 Bits 0..7 */
48 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, /* Word 1 Bits 8..15 */
49 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, /* Word 1 Bits 16..23 */
50 0x4B, 0x4A, 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, /* Word 1 Bits 24..31 */
51
52 0x3A, 0x39, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, /* Word 0 Bits 0..7 */
53 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, 0x27, 0x26, /* Word 0 Bits 8..15 */
54 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, /* Word 0 Bits 16..23 */
55 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01, 0x00, 0x00, /* Word 0 Bits 24..31 */
56};
57
58/*
59 * Local Functions
60 */
61static bfa_status_t bfa_fcs_port_loop_send_plogi(struct bfa_fcs_port_s *port,
62 u8 alpa);
63
64static void bfa_fcs_port_loop_plogi_response(void *fcsarg,
65 struct bfa_fcxp_s *fcxp,
66 void *cbarg,
67 bfa_status_t req_status,
68 u32 rsp_len,
69 u32 resid_len,
70 struct fchs_s *rsp_fchs);
71/**
72 * Called by port to initializar in provate LOOP topology.
73 */
74void
75bfa_fcs_port_loop_init(struct bfa_fcs_port_s *port)
76{
77}
78
79/**
80 * Called by port to notify transition to online state.
81 */
82void
83bfa_fcs_port_loop_online(struct bfa_fcs_port_s *port)
84{
85
86 u8 num_alpa = port->port_topo.ploop.num_alpa;
87 u8 *alpa_pos_map = port->port_topo.ploop.alpa_pos_map;
88 struct bfa_fcs_rport_s *r_port;
89 int ii = 0;
90
91 /*
92 * If the port role is Initiator Mode, create Rports.
93 */
94 if (port->port_cfg.roles == BFA_PORT_ROLE_FCP_IM) {
95 /*
96 * Check if the ALPA positional bitmap is available.
97 * if not, we send PLOGI to all possible ALPAs.
98 */
99 if (num_alpa > 0) {
100 for (ii = 0; ii < num_alpa; ii++) {
101 /*
102 * ignore ALPA of bfa port
103 */
104 if (alpa_pos_map[ii] != port->pid) {
105 r_port = bfa_fcs_rport_create(port,
106 alpa_pos_map[ii]);
107 }
108 }
109 } else {
110 for (ii = 0; ii < MAX_ALPA_COUNT; ii++) {
111 /*
112 * ignore ALPA of bfa port
113 */
114 if ((port_loop_alpa_map[ii] > 0)
115 && (port_loop_alpa_map[ii] != port->pid))
116 bfa_fcs_port_loop_send_plogi(port,
117 port_loop_alpa_map[ii]);
118 /**TBD */
119 }
120 }
121 } else {
122 /*
123 * TBD Target Mode ??
124 */
125 }
126
127}
128
129/**
130 * Called by port to notify transition to offline state.
131 */
132void
133bfa_fcs_port_loop_offline(struct bfa_fcs_port_s *port)
134{
135
136}
137
138/**
139 * Called by port to notify a LIP on the loop.
140 */
141void
142bfa_fcs_port_loop_lip(struct bfa_fcs_port_s *port)
143{
144}
145
146/**
147 * Local Functions.
148 */
149static bfa_status_t
150bfa_fcs_port_loop_send_plogi(struct bfa_fcs_port_s *port, u8 alpa)
151{
152 struct fchs_s fchs;
153 struct bfa_fcxp_s *fcxp = NULL;
154 int len;
155
156 bfa_trc(port->fcs, alpa);
157
158 fcxp = bfa_fcxp_alloc(NULL, port->fcs->bfa, 0, 0, NULL, NULL, NULL,
159 NULL);
160 bfa_assert(fcxp);
161
162 len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), alpa,
163 bfa_fcs_port_get_fcid(port), 0,
164 port->port_cfg.pwwn, port->port_cfg.nwwn,
165 bfa_fcport_get_maxfrsize(port->fcs->bfa));
166
167 bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
168 FC_CLASS_3, len, &fchs,
169 bfa_fcs_port_loop_plogi_response, (void *)port,
170 FC_MAX_PDUSZ, FC_RA_TOV);
171
172 return BFA_STATUS_OK;
173}
174
175/**
176 * Called by fcxp to notify the Plogi response
177 */
178static void
179bfa_fcs_port_loop_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
180 void *cbarg, bfa_status_t req_status,
181 u32 rsp_len, u32 resid_len,
182 struct fchs_s *rsp_fchs)
183{
184 struct bfa_fcs_port_s *port = (struct bfa_fcs_port_s *) cbarg;
185 struct fc_logi_s *plogi_resp;
186 struct fc_els_cmd_s *els_cmd;
187
188 bfa_trc(port->fcs, req_status);
189
190 /*
191 * Sanity Checks
192 */
193 if (req_status != BFA_STATUS_OK) {
194 bfa_trc(port->fcs, req_status);
195 /*
196 * @todo
197 * This could mean that the device with this APLA does not
198 * exist on the loop.
199 */
200
201 return;
202 }
203
204 els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
205 plogi_resp = (struct fc_logi_s *) els_cmd;
206
207 if (els_cmd->els_code == FC_ELS_ACC) {
208 bfa_fcs_rport_start(port, rsp_fchs, plogi_resp);
209 } else {
210 bfa_trc(port->fcs, plogi_resp->els_cmd.els_code);
211 bfa_assert(0);
212 }
213}
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-03 01:13:12 -0500