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
|
/* $OpenBSD: qlwvar.h,v 1.10 2014/03/15 13:08:52 kettenis Exp $ */
/*
* Copyright (c) 2013, 2014 Jonathan Matthew <jmatthew@openbsd.org>
* Copyright (c) 2014 Mark Kettenis <kettenis@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 QLW_MAX_TARGETS 16
#define QLW_MAX_LUNS 8
/* maximum number of segments allowed for in a single io */
#define QLW_MAX_SEGS 16
struct qlw_softc;
enum qlw_isp_gen {
QLW_GEN_ISP1000 = 1,
QLW_GEN_ISP1040,
QLW_GEN_ISP1080,
QLW_GEN_ISP12160,
};
enum qlw_isp_type {
QLW_ISP1000 = 1,
QLW_ISP1020,
QLW_ISP1020A,
QLW_ISP1040,
QLW_ISP1040A,
QLW_ISP1040B,
QLW_ISP1040C,
QLW_ISP1240,
QLW_ISP1080,
QLW_ISP1280,
QLW_ISP10160,
QLW_ISP12160,
};
/* request/response queue stuff */
#define QLW_QUEUE_ENTRY_SIZE 64
struct qlw_ccb {
struct qlw_softc *ccb_sc;
int ccb_id;
struct scsi_xfer *ccb_xs;
bus_dmamap_t ccb_dmamap;
SIMPLEQ_ENTRY(qlw_ccb) ccb_link;
};
SIMPLEQ_HEAD(qlw_ccb_list, qlw_ccb);
struct qlw_dmamem {
bus_dmamap_t qdm_map;
bus_dma_segment_t qdm_seg;
size_t qdm_size;
caddr_t qdm_kva;
};
#define QLW_DMA_MAP(_qdm) ((_qdm)->qdm_map)
#define QLW_DMA_LEN(_qdm) ((_qdm)->qdm_size)
#define QLW_DMA_DVA(_qdm) ((u_int64_t)(_qdm)->qdm_map->dm_segs[0].ds_addr)
#define QLW_DMA_KVA(_qdm) ((void *)(_qdm)->qdm_kva)
struct qlw_target {
u_int16_t qt_params;
u_int8_t qt_exec_throttle;
u_int8_t qt_sync_period;
u_int8_t qt_sync_offset;
};
struct qlw_softc {
struct device sc_dev;
int sc_flags;
#define QLW_FLAG_INITIATOR 0x0001
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[2];
struct scsibus_softc *sc_scsibus[2];
int sc_running;
enum qlw_isp_type sc_isp_type;
enum qlw_isp_gen sc_isp_gen;
const u_int16_t *sc_firmware;
int sc_numbusses;
int sc_clock;
int sc_host_cmd_ctrl;
int sc_mbox_base;
u_int16_t sc_mbox[8];
int sc_mbox_pending;
int sc_maxrequests;
struct qlw_dmamem *sc_requests;
int sc_maxresponses;
struct qlw_dmamem *sc_responses;
int sc_maxccbs;
struct qlw_ccb *sc_ccbs;
struct qlw_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[2];
u_int sc_update_required[2];
struct task sc_update_task;
struct qlw_nvram sc_nvram;
int sc_nvram_size;
int sc_nvram_minversion;
u_int16_t sc_isp_config;
u_int16_t sc_fw_features;
u_int8_t sc_initiator[2];
u_int8_t sc_retry_count[2];
u_int8_t sc_retry_delay[2];
u_int8_t sc_reset_delay[2];
u_int8_t sc_tag_age_limit[2];
u_int16_t sc_selection_timeout[2];
u_int16_t sc_max_queue_depth[2];
u_int8_t sc_async_data_setup[2];
u_int8_t sc_req_ack_active_neg[2];
u_int8_t sc_data_line_active_neg[2];
struct qlw_target sc_target[2][QLW_MAX_TARGETS];
};
#define DEVNAME(_sc) ((_sc)->sc_dev.dv_xname)
int qlw_attach(struct qlw_softc *);
int qlw_detach(struct qlw_softc *, int);
int qlw_intr(void *);
|