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
|
/* $OpenBSD: mfi.c,v 1.2 2006/04/06 22:44:24 marco Exp $ */
/*
* Copyright (c) 2006 Marco Peereboom <marco@peereboom.us>
*
* 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 "bio.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/ioctl.h>
#include <sys/device.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/proc.h>
#include <sys/lock.h>
#include <machine/bus.h>
#include <scsi/scsi_all.h>
#include <scsi/scsi_disk.h>
#include <scsi/scsiconf.h>
#include <dev/ic/mfireg.h>
#include <dev/ic/mfivar.h>
#if NBIO > 0
#include <dev/biovar.h>
#endif
struct cfdriver mfi_cd = {
NULL, "mfi", DV_DULL
};
int mfi_scsi_cmd(struct scsi_xfer *);
int mfi_scsi_ioctl(struct scsi_link *, u_long, caddr_t, int, struct proc *);
void mfiminphys(struct buf *bp);
struct scsi_adapter mfi_switch = {
mfi_scsi_cmd, mfiminphys, 0, 0, mfi_scsi_ioctl
};
struct scsi_device mfi_dev = {
NULL, NULL, NULL, NULL
};
int mfi_transition_firmware(struct mfi_softc *);
int
mfi_transition_firmware(struct mfi_softc *sc)
{
#if 0
int32_t fw_state, cur_state;
int max_wait, i;
/* fw_state = MFI_READ4(sc, MFI_OMSG0) & MFI_STATE_MASK; */
while (fw_state != MFI_STATE_READY) {
#ifdef MFI_DEBUG
printf("Waiting for firmware to become ready\n");
#endif /* MFI_DEBUG */
cur_state = fw_state;
switch (fw_state) {
case MFI_STATE_FAULT:
device_printf(sc->mfi_dev, "Firmware fault\n");
return (ENXIO);
case MFI_STATE_WAIT_HANDSHAKE:
MFI_WRITE4(sc, MFI_IDB, MFI_INIT_CLEAR_HANDSHAKE);
max_wait = 2;
break;
case MFI_STATE_OPERATIONAL:
MFI_WRITE4(sc, MFI_IDB, MFI_INIT_READY);
max_wait = 10;
break;
case MFI_STATE_UNDEFINED:
case MFI_STATE_BB_INIT:
max_wait = 2;
break;
case MFI_STATE_FW_INIT:
case MFI_STATE_DEVICE_SCAN:
case MFI_STATE_FLUSH_CACHE:
max_wait = 20;
break;
default:
device_printf(sc->mfi_dev,"Unknown firmware state %d\n",
fw_state);
return (ENXIO);
}
for (i = 0; i < (max_wait * 10); i++) {
fw_state = MFI_READ4(sc, MFI_OMSG0) & MFI_STATE_MASK;
if (fw_state == cur_state)
DELAY(100000);
else
break;
}
if (fw_state == cur_state) {
device_printf(sc->mfi_dev, "firmware stuck in state "
"%#x\n", fw_state);
return (ENXIO);
}
}
#endif
return (0);
}
void
mfiminphys(struct buf *bp)
{
#define MFI_MAXFER 4096
if (bp->b_bcount > MFI_MAXFER)
bp->b_bcount = MFI_MAXFER;
minphys(bp);
}
int
mfi_attach(struct mfi_softc *sc)
{
if (mfi_transition_firmware(sc))
return (1);
return (1);
}
int
mfi_intr(void *v)
{
return (0); /* XXX unclaimed */
}
int
mfi_scsi_ioctl(struct scsi_link *link, u_long cmd, caddr_t addr, int flag,
struct proc *p)
{
#if 0
struct ami_softc *sc = (struct ami_softc *)link->adapter_softc;
if (sc->sc_ioctl)
return (sc->sc_ioctl(link->adapter_softc, cmd, addr));
else
return (ENOTTY);
#endif
return (ENOTTY);
}
int
mfi_scsi_cmd(struct scsi_xfer *xs)
{
#if 0
struct scsi_link *link = xs->sc_link;
struct ami_softc *sc = link->adapter_softc;
struct device *dev = link->device_softc;
#endif
return (0);
}
|
