1 /*
2 * Inline routines shareable across OS platforms.
3 *
4 * Copyright (c) 1994-2001 Justin T. Gibbs.
5 * Copyright (c) 2000-2003 Adaptec Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions, and the following disclaimer,
13 * without modification.
14 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
15 * substantially similar to the "NO WARRANTY" disclaimer below
16 * ("Disclaimer") and any redistribution must be conditioned upon
17 * including a substantially similar Disclaimer requirement for further
18 * binary redistribution.
19 * 3. Neither the names of the above-listed copyright holders nor the names
20 * of any contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * Alternatively, this software may be distributed under the terms of the
24 * GNU General Public License ("GPL") version 2 as published by the Free
25 * Software Foundation.
26 *
27 * NO WARRANTY
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
37 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGES.
39 *
40 * $Id: //depot/aic7xxx/aic7xxx/aic79xx_inline.h#59 $
41 *
42 * $FreeBSD$
43 */
44
45 #ifndef _AIC79XX_INLINE_H_
46 #define _AIC79XX_INLINE_H_
47
48 /******************************** Debugging ***********************************/
49 static inline char *ahd_name(struct ahd_softc *ahd);
50
51 static inline char *ahd_name(struct ahd_softc *ahd)
52 {
53 return (ahd->name);
54 }
55
56 /************************ Sequencer Execution Control *************************/
57 static inline void ahd_known_modes(struct ahd_softc *ahd,
58 ahd_mode src, ahd_mode dst);
59 static inline ahd_mode_state ahd_build_mode_state(struct ahd_softc *ahd,
60 ahd_mode src,
61 ahd_mode dst);
62 static inline void ahd_extract_mode_state(struct ahd_softc *ahd,
63 ahd_mode_state state,
64 ahd_mode *src, ahd_mode *dst);
65
66 void ahd_set_modes(struct ahd_softc *ahd, ahd_mode src,
67 ahd_mode dst);
68 ahd_mode_state ahd_save_modes(struct ahd_softc *ahd);
69 void ahd_restore_modes(struct ahd_softc *ahd,
70 ahd_mode_state state);
71 int ahd_is_paused(struct ahd_softc *ahd);
72 void ahd_pause(struct ahd_softc *ahd);
73 void ahd_unpause(struct ahd_softc *ahd);
74
75 static inline void
76 ahd_known_modes(struct ahd_softc *ahd, ahd_mode src, ahd_mode dst)
77 {
78 ahd->src_mode = src;
79 ahd->dst_mode = dst;
80 ahd->saved_src_mode = src;
81 ahd->saved_dst_mode = dst;
82 }
83
84 static inline ahd_mode_state
85 ahd_build_mode_state(struct ahd_softc *ahd, ahd_mode src, ahd_mode dst)
86 {
87 return ((src << SRC_MODE_SHIFT) | (dst << DST_MODE_SHIFT));
88 }
89
90 static inline void
91 ahd_extract_mode_state(struct ahd_softc *ahd, ahd_mode_state state,
92 ahd_mode *src, ahd_mode *dst)
93 {
94 *src = (state & SRC_MODE) >> SRC_MODE_SHIFT;
95 *dst = (state & DST_MODE) >> DST_MODE_SHIFT;
96 }
97
98 /*********************** Scatter Gather List Handling *************************/
99 void *ahd_sg_setup(struct ahd_softc *ahd, struct scb *scb,
100 void *sgptr, dma_addr_t addr,
101 bus_size_t len, int last);
102
103 /************************** Memory mapping routines ***************************/
104 static inline size_t ahd_sg_size(struct ahd_softc *ahd);
105
106 void ahd_sync_sglist(struct ahd_softc *ahd,
107 struct scb *scb, int op);
108
109 static inline size_t ahd_sg_size(struct ahd_softc *ahd)
110 {
111 if ((ahd->flags & AHD_64BIT_ADDRESSING) != 0)
112 return (sizeof(struct ahd_dma64_seg));
113 return (sizeof(struct ahd_dma_seg));
114 }
115
116 /*********************** Miscellaneous Support Functions ***********************/
117 struct ahd_initiator_tinfo *
118 ahd_fetch_transinfo(struct ahd_softc *ahd,
119 char channel, u_int our_id,
120 u_int remote_id,
121 struct ahd_tmode_tstate **tstate);
122 uint16_t
123 ahd_inw(struct ahd_softc *ahd, u_int port);
124 void ahd_outw(struct ahd_softc *ahd, u_int port,
125 u_int value);
126 uint32_t
127 ahd_inl(struct ahd_softc *ahd, u_int port);
128 void ahd_outl(struct ahd_softc *ahd, u_int port,
129 uint32_t value);
130 uint64_t
131 ahd_inq(struct ahd_softc *ahd, u_int port);
132 void ahd_outq(struct ahd_softc *ahd, u_int port,
133 uint64_t value);
134 u_int ahd_get_scbptr(struct ahd_softc *ahd);
135 void ahd_set_scbptr(struct ahd_softc *ahd, u_int scbptr);
136 u_int ahd_inb_scbram(struct ahd_softc *ahd, u_int offset);
137 u_int ahd_inw_scbram(struct ahd_softc *ahd, u_int offset);
138 struct scb *
139 ahd_lookup_scb(struct ahd_softc *ahd, u_int tag);
140 void ahd_queue_scb(struct ahd_softc *ahd, struct scb *scb);
141
142 static inline uint8_t *ahd_get_sense_buf(struct ahd_softc *ahd,
143 struct scb *scb);
144 static inline uint32_t ahd_get_sense_bufaddr(struct ahd_softc *ahd,
145 struct scb *scb);
146
147 #if 0 /* unused */
148
149 #define AHD_COPY_COL_IDX(dst, src) \
150 do { \
151 dst->hscb->scsiid = src->hscb->scsiid; \
152 dst->hscb->lun = src->hscb->lun; \
153 } while (0)
154
155 #endif
156
157 static inline uint8_t *
158 ahd_get_sense_buf(struct ahd_softc *ahd, struct scb *scb)
159 {
160 return (scb->sense_data);
161 }
162
163 static inline uint32_t
164 ahd_get_sense_bufaddr(struct ahd_softc *ahd, struct scb *scb)
165 {
166 return (scb->sense_busaddr);
167 }
168
169 /************************** Interrupt Processing ******************************/
170 int ahd_intr(struct ahd_softc *ahd);
171
172 #endif /* _AIC79XX_INLINE_H_ */
173
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