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 * 52 ahd_name(struct ahd_softc *ahd) 53 { 54 return (ahd->name); 55 } 56 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, 61 ahd_mode src, 62 ahd_mode dst); 63 static __inline void ahd_extract_mode_state(struct ahd_softc *ahd, 64 ahd_mode_state state, 65 ahd_mode *src, ahd_mode *dst); 66 67 void ahd_set_modes(struct ahd_softc *ahd, ahd_mode src, 68 ahd_mode dst); 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); 75 76 static __inline void 77 ahd_known_modes(struct ahd_softc *ahd, ahd_mode src, ahd_mode dst) 78 { 79 ahd->src_mode = src; 80 ahd->dst_mode = dst; 81 ahd->saved_src_mode = src; 82 ahd->saved_dst_mode = dst; 83 } 84 85 static __inline ahd_mode_state 86 ahd_build_mode_state(struct ahd_softc *ahd, ahd_mode src, ahd_mode dst) 87 { 88 return ((src << SRC_MODE_SHIFT) | (dst << DST_MODE_SHIFT)); 89 } 90 91 static __inline void 92 ahd_extract_mode_state(struct ahd_softc *ahd, ahd_mode_state state, 93 ahd_mode *src, ahd_mode *dst) 94 { 95 *src = (state & SRC_MODE) >> SRC_MODE_SHIFT; 96 *dst = (state & DST_MODE) >> DST_MODE_SHIFT; 97 } 98 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); 103 104 /************************** Memory mapping routines ***************************/ 105 static __inline size_t ahd_sg_size(struct ahd_softc *ahd); 106 107 void ahd_sync_sglist(struct ahd_softc *ahd, 108 struct scb *scb, int op); 109 110 static __inline size_t 111 ahd_sg_size(struct ahd_softc *ahd) 112 { 113 if ((ahd->flags & AHD_64BIT_ADDRESSING) != 0) 114 return (sizeof(struct ahd_dma64_seg)); 115 return (sizeof(struct ahd_dma_seg)); 116 } 117 118 /*********************** Miscellaneous Support Functions ***********************/ 119 struct ahd_initiator_tinfo * 120 ahd_fetch_transinfo(struct ahd_softc *ahd, 121 char channel, u_int our_id, 122 u_int remote_id, 123 struct ahd_tmode_tstate **tstate); 124 uint16_t 125 ahd_inw(struct ahd_softc *ahd, u_int port); 126 void ahd_outw(struct ahd_softc *ahd, u_int port, 127 u_int value); 128 uint32_t 129 ahd_inl(struct ahd_softc *ahd, u_int port); 130 void ahd_outl(struct ahd_softc *ahd, u_int port, 131 uint32_t value); 132 uint64_t 133 ahd_inq(struct ahd_softc *ahd, u_int port); 134 void ahd_outq(struct ahd_softc *ahd, u_int port, 135 uint64_t value); 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); 140 struct scb * 141 ahd_lookup_scb(struct ahd_softc *ahd, u_int tag); 142 void ahd_queue_scb(struct ahd_softc *ahd, struct scb *scb); 143 144 static __inline uint8_t * 145 ahd_get_sense_buf(struct ahd_softc *ahd, 146 struct scb *scb); 147 static __inline uint32_t 148 ahd_get_sense_bufaddr(struct ahd_softc *ahd, 149 struct scb *scb); 150 151 #if 0 /* unused */ 152 153 #define AHD_COPY_COL_IDX(dst, src) \ 154 do { \ 155 dst->hscb->scsiid = src->hscb->scsiid; \ 156 dst->hscb->lun = src->hscb->lun; \ 157 } while (0) 158 159 #endif 160 161 static __inline uint8_t * 162 ahd_get_sense_buf(struct ahd_softc *ahd, struct scb *scb) 163 { 164 return (scb->sense_data); 165 } 166 167 static __inline uint32_t 168 ahd_get_sense_bufaddr(struct ahd_softc *ahd, struct scb *scb) 169 { 170 return (scb->sense_busaddr); 171 } 172 173 /************************** Interrupt Processing ******************************/ 174 int ahd_intr(struct ahd_softc *ahd); 175 176 #endif /* _AIC79XX_INLINE_H_ */ 177