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