summaryrefslogtreecommitdiff
path: root/sys/dev/ic/amivar.h
blob: 2b656102f932dda7fbb96427ccb40f19fe8b7e48 (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
/*	$OpenBSD: amivar.h,v 1.36 2005/12/12 09:39:29 dlg Exp $	*/

/*
 * Copyright (c) 2001 Michael Shalayeff
 * Copyright (c) 2005 Marco Peereboom
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

struct ami_mem {
	bus_dmamap_t		am_map;
	bus_dma_segment_t	am_seg;
	size_t			am_size;
	caddr_t			am_kva;
};

#define AMIMEM_MAP(_am)		((_am)->am_map)
#define AMIMEM_DVA(_am)		((_am)->am_map->dm_segs[0].ds_addr)
#define AMIMEM_KVA(_am)		((void *)(_am)->am_kva)

struct ami_ccbmem {
	struct ami_passthrough	cd_pt;
	struct ami_sgent	cd_sg[AMI_SGEPERCMD];
};

struct ami_softc;

struct ami_ccb {
	struct ami_softc	*ccb_sc;

	struct ami_iocmd	ccb_cmd;
	struct ami_passthrough	*ccb_pt;
	paddr_t			ccb_ptpa;
	struct ami_sgent	*ccb_sglist;
	paddr_t			ccb_sglistpa;
	int			ccb_offset;

	struct scsi_xfer	*ccb_xs;

	void			*ccb_data;
	int			ccb_len;
	enum {
		AMI_CCB_IN,
		AMI_CCB_OUT
	}			ccb_dir;
	bus_dmamap_t		ccb_dmamap;

	volatile int		ccb_wakeup;

	enum {
		AMI_CCB_FREE,
		AMI_CCB_READY,
		AMI_CCB_QUEUED,
		AMI_CCB_PREQUEUED
	}			ccb_state;
	TAILQ_ENTRY(ami_ccb)	ccb_link;
};

typedef TAILQ_HEAD(ami_queue_head, ami_ccb)	ami_queue_head;

struct ami_rawsoftc {
	struct scsi_link	sc_link;
	struct ami_softc	*sc_softc;
	u_int8_t		sc_channel;

	int			sc_proctarget;	/* ses/safte target id */
	char			sc_procdev[16];	/* ses/safte device */
};

struct ami_softc {
	struct device		sc_dev;
	void			*sc_ih;
	struct scsi_link	sc_link;

	int			sc_flags;
#define AMI_CHECK_SIGN	0x0001
#define AMI_BROKEN 	0x0002
#define	AMI_CMDWAIT	0x0004
#define AMI_QUARTZ	0x0008

	/* low-level interface */
	int			(*sc_init)(struct ami_softc *sc);
	int			(*sc_exec)(struct ami_softc *sc,
				    struct ami_iocmd *);
	int			(*sc_done)(struct ami_softc *sc,
				    struct ami_iocmd *);
	int			(*sc_poll)(struct ami_softc *sc,
				    struct ami_iocmd *);
	int			(*sc_ioctl)(struct device *, u_long, caddr_t);

	bus_space_tag_t		iot;
	bus_space_handle_t	ioh;
	bus_dma_tag_t		dmat;

	struct ami_mem		*sc_mbox_am;
	volatile struct ami_iocmd *sc_mbox;
	paddr_t			sc_mbox_pa;

	struct ami_ccb		sc_ccbs[AMI_MAXCMDS];
	ami_queue_head		sc_free_ccb, sc_ccbq, sc_ccbdone;

	struct ami_mem		*sc_ccbmem_am;

	int			sc_timeout;
	struct timeout		sc_requeue_tmo;
	struct timeout		sc_poll_tmo;
	int			sc_dis_poll;

	char			sc_fwver[16];
	char			sc_biosver[16];
	int			sc_maxcmds;
	int			sc_memory;
	int			sc_targets;
	int			sc_channels;
	int			sc_maxunits;
	int			sc_nunits;
	struct {
		u_int8_t		hd_present;
		u_int8_t		hd_is_logdrv;
		u_int8_t		hd_prop;
		u_int8_t		hd_stat;
		u_int32_t		hd_size;
		char			dev[16];
	}			sc_hdr[AMI_BIG_MAX_LDRIVES];
	struct ami_rawsoftc	*sc_rawsoftcs;
};

int  ami_attach(struct ami_softc *sc);
int  ami_intr(void *);

int ami_quartz_init(struct ami_softc *sc);
int ami_quartz_exec(struct ami_softc *sc, struct ami_iocmd *);
int ami_quartz_done(struct ami_softc *sc, struct ami_iocmd *);
int ami_quartz_poll(struct ami_softc *sc, struct ami_iocmd *);

int ami_schwartz_init(struct ami_softc *sc);
int ami_schwartz_exec(struct ami_softc *sc, struct ami_iocmd *);
int ami_schwartz_done(struct ami_softc *sc, struct ami_iocmd *);
int ami_schwartz_poll(struct ami_softc *sc, struct ami_iocmd *);

#ifdef AMI_DEBUG
void ami_print_mbox(struct ami_iocmd *);
#endif /* AMI_DEBUG */