aboutsummaryrefslogtreecommitdiff
path: root/drivers/scsi/bfa/bfa_fcpim.c
blob: 12849e9071cd3e217fc3b7ea7aba50cc5b572617 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
/*
 * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
 * All rights reserved
 * www.brocade.com
 *
 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License (GPL) Version 2 as
 * published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

#include <bfa.h>
#include <log/bfa_log_hal.h>

BFA_TRC_FILE(HAL, FCPIM);
BFA_MODULE(fcpim);

/**
 *  hal_fcpim_mod BFA FCP Initiator Mode module
 */

/**
 * 		Compute and return memory needed by FCP(im) module.
 */
static void
bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
		u32 *dm_len)
{
	bfa_itnim_meminfo(cfg, km_len, dm_len);

	/**
	 * IO memory
	 */
	if (cfg->fwcfg.num_ioim_reqs < BFA_IOIM_MIN)
		cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN;
	else if (cfg->fwcfg.num_ioim_reqs > BFA_IOIM_MAX)
		cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX;

	*km_len += cfg->fwcfg.num_ioim_reqs *
	  (sizeof(struct bfa_ioim_s) + sizeof(struct bfa_ioim_sp_s));

	*dm_len += cfg->fwcfg.num_ioim_reqs * BFI_IOIM_SNSLEN;

	/**
	 * task management command memory
	 */
	if (cfg->fwcfg.num_tskim_reqs < BFA_TSKIM_MIN)
		cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN;
	*km_len += cfg->fwcfg.num_tskim_reqs * sizeof(struct bfa_tskim_s);
}


static void
bfa_fcpim_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
		     struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);

	bfa_trc(bfa, cfg->drvcfg.path_tov);
	bfa_trc(bfa, cfg->fwcfg.num_rports);
	bfa_trc(bfa, cfg->fwcfg.num_ioim_reqs);
	bfa_trc(bfa, cfg->fwcfg.num_tskim_reqs);

	fcpim->bfa            = bfa;
	fcpim->num_itnims     = cfg->fwcfg.num_rports;
	fcpim->num_ioim_reqs  = cfg->fwcfg.num_ioim_reqs;
	fcpim->num_tskim_reqs = cfg->fwcfg.num_tskim_reqs;
	fcpim->path_tov       = cfg->drvcfg.path_tov;
	fcpim->delay_comp	  = cfg->drvcfg.delay_comp;

	bfa_itnim_attach(fcpim, meminfo);
	bfa_tskim_attach(fcpim, meminfo);
	bfa_ioim_attach(fcpim, meminfo);
}

static void
bfa_fcpim_detach(struct bfa_s *bfa)
{
	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);

	bfa_ioim_detach(fcpim);
	bfa_tskim_detach(fcpim);
}

static void
bfa_fcpim_start(struct bfa_s *bfa)
{
}

static void
bfa_fcpim_stop(struct bfa_s *bfa)
{
}

static void
bfa_fcpim_iocdisable(struct bfa_s *bfa)
{
	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);
	struct bfa_itnim_s *itnim;
	struct list_head        *qe, *qen;

	list_for_each_safe(qe, qen, &fcpim->itnim_q) {
		itnim = (struct bfa_itnim_s *) qe;
		bfa_itnim_iocdisable(itnim);
	}
}

void
bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov)
{
	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);

	fcpim->path_tov = path_tov * 1000;
	if (fcpim->path_tov > BFA_FCPIM_PATHTOV_MAX)
		fcpim->path_tov = BFA_FCPIM_PATHTOV_MAX;
}

u16
bfa_fcpim_path_tov_get(struct bfa_s *bfa)
{
	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);

	return fcpim->path_tov / 1000;
}

bfa_status_t
bfa_fcpim_get_modstats(struct bfa_s *bfa, struct bfa_fcpim_stats_s *modstats)
{
	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);

	*modstats = fcpim->stats;

	return BFA_STATUS_OK;
}

bfa_status_t
bfa_fcpim_clr_modstats(struct bfa_s *bfa)
{
	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);

	memset(&fcpim->stats, 0, sizeof(struct bfa_fcpim_stats_s));

	return BFA_STATUS_OK;
}

void
bfa_fcpim_qdepth_set(struct bfa_s *bfa, u16 q_depth)
{
	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);

	bfa_assert(q_depth <= BFA_IOCFC_QDEPTH_MAX);

	fcpim->q_depth = q_depth;
}

u16
bfa_fcpim_qdepth_get(struct bfa_s *bfa)
{
	struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa);

	return fcpim->q_depth;
}