summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/aic7xxx/aic79xx_inline.h
blob: 5f12cf9d99d071344b6929beeb11c3fb11edbe33 (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
171
172
173
174
175
176
/*
 * Inline routines shareable across OS platforms.
 *
 * Copyright (c) 1994-2001 Justin T. Gibbs.
 * Copyright (c) 2000-2003 Adaptec Inc.
 * 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,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF 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 DAMAGES.
 *
 * $Id: //depot/aic7xxx/aic7xxx/aic79xx_inline.h#59 $
 *
 * $FreeBSD$
 */

#ifndef _AIC79XX_INLINE_H_
#define _AIC79XX_INLINE_H_

/******************************** Debugging ***********************************/
static __inline char *ahd_name(struct ahd_softc *ahd);

static __inline char *
ahd_name(struct ahd_softc *ahd)
{
	return (ahd->name);
}

/************************ Sequencer Execution Control *************************/
static __inline void ahd_known_modes(struct ahd_softc *ahd,
				     ahd_mode src, ahd_mode dst);
static __inline ahd_mode_state ahd_build_mode_state(struct ahd_softc *ahd,
						    ahd_mode src,
						    ahd_mode dst);
static __inline void ahd_extract_mode_state(struct ahd_softc *ahd,
					    ahd_mode_state state,
					    ahd_mode *src, ahd_mode *dst);

void ahd_set_modes(struct ahd_softc *ahd, ahd_mode src,
		   ahd_mode dst);
ahd_mode_state ahd_save_modes(struct ahd_softc *ahd);
void ahd_restore_modes(struct ahd_softc *ahd,
		       ahd_mode_state state);
int  ahd_is_paused(struct ahd_softc *ahd);
void ahd_pause(struct ahd_softc *ahd);
void ahd_unpause(struct ahd_softc *ahd);

static __inline void
ahd_known_modes(struct ahd_softc *ahd, ahd_mode src, ahd_mode dst)
{
	ahd->src_mode = src;
	ahd->dst_mode = dst;
	ahd->saved_src_mode = src;
	ahd->saved_dst_mode = dst;
}

static __inline ahd_mode_state
ahd_build_mode_state(struct ahd_softc *ahd, ahd_mode src, ahd_mode dst)
{
	return ((src << SRC_MODE_SHIFT) | (dst << DST_MODE_SHIFT));
}

static __inline void
ahd_extract_mode_state(struct ahd_softc *ahd, ahd_mode_state state,
		       ahd_mode *src, ahd_mode *dst)
{
	*src = (state & SRC_MODE) >> SRC_MODE_SHIFT;
	*dst = (state & DST_MODE) >> DST_MODE_SHIFT;
}

/*********************** Scatter Gather List Handling *************************/
void	*ahd_sg_setup(struct ahd_softc *ahd, struct scb *scb,
		      void *sgptr, dma_addr_t addr,
		      bus_size_t len, int last);

/************************** Memory mapping routines ***************************/
static __inline size_t	ahd_sg_size(struct ahd_softc *ahd);

void	ahd_sync_sglist(struct ahd_softc *ahd,
			struct scb *scb, int op);

static __inline size_t
ahd_sg_size(struct ahd_softc *ahd)
{
	if ((ahd->flags & AHD_64BIT_ADDRESSING) != 0)
		return (sizeof(struct ahd_dma64_seg));
	return (sizeof(struct ahd_dma_seg));
}

/*********************** Miscellaneous Support Functions ***********************/
struct ahd_initiator_tinfo *
	ahd_fetch_transinfo(struct ahd_softc *ahd,
			    char channel, u_int our_id,
			    u_int remote_id,
			    struct ahd_tmode_tstate **tstate);
uint16_t
	ahd_inw(struct ahd_softc *ahd, u_int port);
void	ahd_outw(struct ahd_softc *ahd, u_int port,
		 u_int value);
uint32_t
	ahd_inl(struct ahd_softc *ahd, u_int port);
void	ahd_outl(struct ahd_softc *ahd, u_int port,
		 uint32_t value);
uint64_t
	ahd_inq(struct ahd_softc *ahd, u_int port);
void	ahd_outq(struct ahd_softc *ahd, u_int port,
		 uint64_t value);
u_int	ahd_get_scbptr(struct ahd_softc *ahd);
void	ahd_set_scbptr(struct ahd_softc *ahd, u_int scbptr);
u_int	ahd_inb_scbram(struct ahd_softc *ahd, u_int offset);
u_int	ahd_inw_scbram(struct ahd_softc *ahd, u_int offset);
struct scb *
	ahd_lookup_scb(struct ahd_softc *ahd, u_int tag);
void	ahd_queue_scb(struct ahd_softc *ahd, struct scb *scb);

static __inline uint8_t *
			ahd_get_sense_buf(struct ahd_softc *ahd,
					  struct scb *scb);
static __inline uint32_t
			ahd_get_sense_bufaddr(struct ahd_softc *ahd,
					      struct scb *scb);

#if 0 /* unused */

#define AHD_COPY_COL_IDX(dst, src)				\
do {								\
	dst->hscb->scsiid = src->hscb->scsiid;			\
	dst->hscb->lun = src->hscb->lun;			\
} while (0)

#endif

static __inline uint8_t *
ahd_get_sense_buf(struct ahd_softc *ahd, struct scb *scb)
{
	return (scb->sense_data);
}

static __inline uint32_t
ahd_get_sense_bufaddr(struct ahd_softc *ahd, struct scb *scb)
{
	return (scb->sense_busaddr);
}

/************************** Interrupt Processing ******************************/
int	ahd_intr(struct ahd_softc *ahd);

#endif  /* _AIC79XX_INLINE_H_ */
OpenPOWER on IntegriCloud