2 * Inline routines shareable across OS platforms.
4 * Copyright (c) 1994-2001 Justin T. Gibbs.
5 * Copyright (c) 2000-2003 Adaptec Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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.
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
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38 * POSSIBILITY OF SUCH DAMAGES.
40 * $Id: //depot/aic7xxx/aic7xxx/aic79xx_inline.h#59 $
45 #ifndef _AIC79XX_INLINE_H_
46 #define _AIC79XX_INLINE_H_
48 /******************************** Debugging ***********************************/
49 static __inline char *ahd_name(struct ahd_softc *ahd);
51 static __inline char *
52 ahd_name(struct ahd_softc *ahd)
57 /************************ Sequencer Execution Control *************************/
58 static __inline void ahd_known_modes(struct ahd_softc *ahd,
59 ahd_mode src, ahd_mode dst);
60 static __inline ahd_mode_state ahd_build_mode_state(struct ahd_softc *ahd,
63 static __inline void ahd_extract_mode_state(struct ahd_softc *ahd,
65 ahd_mode *src, ahd_mode *dst);
67 void ahd_set_modes(struct ahd_softc *ahd, ahd_mode src,
69 ahd_mode_state ahd_save_modes(struct ahd_softc *ahd);
70 void ahd_restore_modes(struct ahd_softc *ahd,
71 ahd_mode_state state);
72 int ahd_is_paused(struct ahd_softc *ahd);
73 void ahd_pause(struct ahd_softc *ahd);
74 void ahd_unpause(struct ahd_softc *ahd);
77 ahd_known_modes(struct ahd_softc *ahd, ahd_mode src, ahd_mode dst)
81 ahd->saved_src_mode = src;
82 ahd->saved_dst_mode = dst;
85 static __inline ahd_mode_state
86 ahd_build_mode_state(struct ahd_softc *ahd, ahd_mode src, ahd_mode dst)
88 return ((src << SRC_MODE_SHIFT) | (dst << DST_MODE_SHIFT));
92 ahd_extract_mode_state(struct ahd_softc *ahd, ahd_mode_state state,
93 ahd_mode *src, ahd_mode *dst)
95 *src = (state & SRC_MODE) >> SRC_MODE_SHIFT;
96 *dst = (state & DST_MODE) >> DST_MODE_SHIFT;
99 /*********************** Scatter Gather List Handling *************************/
100 void *ahd_sg_setup(struct ahd_softc *ahd, struct scb *scb,
101 void *sgptr, dma_addr_t addr,
102 bus_size_t len, int last);
104 /************************** Memory mapping routines ***************************/
105 static __inline size_t ahd_sg_size(struct ahd_softc *ahd);
107 void ahd_sync_sglist(struct ahd_softc *ahd,
108 struct scb *scb, int op);
110 static __inline size_t
111 ahd_sg_size(struct ahd_softc *ahd)
113 if ((ahd->flags & AHD_64BIT_ADDRESSING) != 0)
114 return (sizeof(struct ahd_dma64_seg));
115 return (sizeof(struct ahd_dma_seg));
118 /*********************** Miscellaneous Support Functions ***********************/
119 struct ahd_initiator_tinfo *
120 ahd_fetch_transinfo(struct ahd_softc *ahd,
121 char channel, u_int our_id,
123 struct ahd_tmode_tstate **tstate);
125 ahd_inw(struct ahd_softc *ahd, u_int port);
126 void ahd_outw(struct ahd_softc *ahd, u_int port,
129 ahd_inl(struct ahd_softc *ahd, u_int port);
130 void ahd_outl(struct ahd_softc *ahd, u_int port,
133 ahd_inq(struct ahd_softc *ahd, u_int port);
134 void ahd_outq(struct ahd_softc *ahd, u_int port,
136 u_int ahd_get_scbptr(struct ahd_softc *ahd);
137 void ahd_set_scbptr(struct ahd_softc *ahd, u_int scbptr);
138 u_int ahd_inb_scbram(struct ahd_softc *ahd, u_int offset);
139 u_int ahd_inw_scbram(struct ahd_softc *ahd, u_int offset);
141 ahd_lookup_scb(struct ahd_softc *ahd, u_int tag);
142 void ahd_queue_scb(struct ahd_softc *ahd, struct scb *scb);
144 static __inline uint8_t *
145 ahd_get_sense_buf(struct ahd_softc *ahd,
147 static __inline uint32_t
148 ahd_get_sense_bufaddr(struct ahd_softc *ahd,
153 #define AHD_COPY_COL_IDX(dst, src) \
155 dst->hscb->scsiid = src->hscb->scsiid; \
156 dst->hscb->lun = src->hscb->lun; \
161 static __inline uint8_t *
162 ahd_get_sense_buf(struct ahd_softc *ahd, struct scb *scb)
164 return (scb->sense_data);
167 static __inline uint32_t
168 ahd_get_sense_bufaddr(struct ahd_softc *ahd, struct scb *scb)
170 return (scb->sense_busaddr);
173 /************************** Interrupt Processing ******************************/
174 int ahd_intr(struct ahd_softc *ahd);
176 #endif /* _AIC79XX_INLINE_H_ */