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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
/* $OpenBSD: qlavar.h,v 1.10 2014/05/17 11:51:21 jmatthew Exp $ */
/*
* Copyright (c) 2013, 2014 Jonathan Matthew <jmatthew@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/task.h>
#define QLA_DEFAULT_PORT_NAME 0x400000007F000003ULL /* from isp(4) */
#define QLA_WAIT_FOR_LOOP 10
/* maximum number of segments allowed for in a single io */
#define QLA_MAX_SEGS 16
struct qla_softc;
enum qla_isp_gen {
QLA_GEN_ISP2100 = 1,
QLA_GEN_ISP2200,
QLA_GEN_ISP23XX,
};
enum qla_isp_type {
QLA_ISP2100 = 1,
QLA_ISP2200,
QLA_ISP2300,
QLA_ISP2312,
QLA_ISP2322
};
struct qla_regs {
u_int16_t (*read)(struct qla_softc *, bus_size_t);
int (*read_isr)(struct qla_softc *,
u_int16_t *, u_int16_t *);
bus_size_t req_in;
bus_size_t req_out;
bus_size_t res_in;
bus_size_t res_out;
};
/* port database things */
#define QLA_SCRATCH_SIZE 0x1000
enum qla_port_disp {
QLA_PORT_DISP_NEW,
QLA_PORT_DISP_GONE,
QLA_PORT_DISP_SAME,
QLA_PORT_DISP_CHANGED,
QLA_PORT_DISP_MOVED,
QLA_PORT_DISP_DUP
};
#define QLA_LOCATION_LOOP (1 << 24)
#define QLA_LOCATION_FABRIC (2 << 24)
#define QLA_LOCATION_LOOP_ID(l) (l | QLA_LOCATION_LOOP)
#define QLA_LOCATION_PORT_ID(p) (p | QLA_LOCATION_FABRIC)
struct qla_fc_port {
TAILQ_ENTRY(qla_fc_port) ports;
TAILQ_ENTRY(qla_fc_port) update;
u_int64_t node_name;
u_int64_t port_name;
u_int32_t location; /* port id or loop id */
int flags;
#define QLA_PORT_FLAG_IS_TARGET 1
#define QLA_PORT_FLAG_NEEDS_LOGIN 2
u_int32_t portid;
u_int16_t loopid;
};
/* request/response queue stuff */
#define QLA_QUEUE_ENTRY_SIZE 64
struct qla_ccb {
struct qla_softc *ccb_sc;
int ccb_id;
struct scsi_xfer *ccb_xs;
bus_dmamap_t ccb_dmamap;
struct qla_iocb_seg *ccb_t4segs;
u_int64_t ccb_seg_offset;
SIMPLEQ_ENTRY(qla_ccb) ccb_link;
};
SIMPLEQ_HEAD(qla_ccb_list, qla_ccb);
struct qla_dmamem {
bus_dmamap_t qdm_map;
bus_dma_segment_t qdm_seg;
size_t qdm_size;
caddr_t qdm_kva;
};
#define QLA_DMA_MAP(_qdm) ((_qdm)->qdm_map)
#define QLA_DMA_LEN(_qdm) ((_qdm)->qdm_size)
#define QLA_DMA_DVA(_qdm) ((u_int64_t)(_qdm)->qdm_map->dm_segs[0].ds_addr)
#define QLA_DMA_KVA(_qdm) ((void *)(_qdm)->qdm_kva)
struct qla_softc {
struct device sc_dev;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_size_t sc_ios;
bus_dma_tag_t sc_dmat;
struct scsi_link sc_link;
struct scsibus_softc *sc_scsibus;
enum qla_isp_type sc_isp_type;
enum qla_isp_gen sc_isp_gen;
int sc_port;
int sc_expanded_lun;
int sc_fabric;
int sc_2k_logins;
const struct qla_regs *sc_regs;
int sc_mbox_base;
u_int16_t sc_mbox[12];
int sc_mbox_pending;
struct mutex sc_mbox_mtx;
int sc_loop_up;
int sc_topology;
int sc_loop_id;
int sc_port_id;
int sc_loop_max_id;
u_int64_t sc_sns_port_name;
struct mutex sc_port_mtx;
TAILQ_HEAD(, qla_fc_port) sc_ports;
TAILQ_HEAD(, qla_fc_port) sc_ports_new;
TAILQ_HEAD(, qla_fc_port) sc_ports_gone;
TAILQ_HEAD(, qla_fc_port) sc_ports_found;
struct qla_fc_port *sc_targets[QLA_2KL_BUSWIDTH];
struct taskq *sc_update_taskq;
struct task sc_update_task;
int sc_update;
int sc_update_tasks;
#define QLA_UPDATE_TASK_CLEAR_ALL 0x00000001
#define QLA_UPDATE_TASK_SOFTRESET 0x00000002
#define QLA_UPDATE_TASK_UPDATE_TOPO 0x00000004
#define QLA_UPDATE_TASK_GET_PORT_LIST 0x00000008
#define QLA_UPDATE_TASK_PORT_LIST 0x00000010
#define QLA_UPDATE_TASK_SCAN_FABRIC 0x00000020
#define QLA_UPDATE_TASK_SCANNING_FABRIC 0x00000040
#define QLA_UPDATE_TASK_FABRIC_LOGIN 0x00000080
#define QLA_UPDATE_TASK_FABRIC_RELOGIN 0x00000100
#define QLA_UPDATE_TASK_DETACH_TARGET 0x00000200
#define QLA_UPDATE_TASK_ATTACH_TARGET 0x00000400
int sc_maxcmds;
struct qla_dmamem *sc_requests;
struct qla_dmamem *sc_responses;
struct qla_dmamem *sc_segments;
struct qla_dmamem *sc_scratch;
struct qla_ccb *sc_ccbs;
struct qla_ccb_list sc_ccb_free;
struct mutex sc_ccb_mtx;
struct mutex sc_queue_mtx;
struct scsi_iopool sc_iopool;
u_int16_t sc_next_req_id;
u_int16_t sc_last_resp_id;
int sc_marker_required;
struct qla_nvram sc_nvram;
int sc_nvram_valid;
u_int64_t sc_node_name;
u_int64_t sc_port_name;
};
#define DEVNAME(_sc) ((_sc)->sc_dev.dv_xname)
int qla_attach(struct qla_softc *);
int qla_detach(struct qla_softc *, int);
int qla_intr(void *);
|
