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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 without9 * modification, are permitted provided that the following conditions10 * are met:11 * 1. Redistributions of source code must retain the above copyright12 * notice, this list of conditions, and the following disclaimer,13 * without modification.14 * 2. Redistributions in binary form must reproduce at minimum a disclaimer15 * substantially similar to the "NO WARRANTY" disclaimer below16 * ("Disclaimer") and any redistribution must be conditioned upon17 * including a substantially similar Disclaimer requirement for further18 * binary redistribution.19 * 3. Neither the names of the above-listed copyright holders nor the names20 * of any contributors may be used to endorse or promote products derived21 * from this software without specific prior written permission.22 *23 * Alternatively, this software may be distributed under the terms of the24 * GNU General Public License ("GPL") version 2 as published by the Free25 * Software Foundation.26 *27 * NO WARRANTY28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT32 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS34 * 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) ARISING37 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE38 * 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 ***********************************/49static inline char *ahd_name(struct ahd_softc *ahd);50 51static inline char *ahd_name(struct ahd_softc *ahd)52{53 return (ahd->name);54}55 56/************************ Sequencer Execution Control *************************/57static inline void ahd_known_modes(struct ahd_softc *ahd,58 ahd_mode src, ahd_mode dst);59static inline ahd_mode_state ahd_build_mode_state(struct ahd_softc *ahd,60 ahd_mode src,61 ahd_mode dst);62static inline void ahd_extract_mode_state(struct ahd_softc *ahd,63 ahd_mode_state state,64 ahd_mode *src, ahd_mode *dst);65 66void ahd_set_modes(struct ahd_softc *ahd, ahd_mode src,67 ahd_mode dst);68ahd_mode_state ahd_save_modes(struct ahd_softc *ahd);69void ahd_restore_modes(struct ahd_softc *ahd,70 ahd_mode_state state);71int ahd_is_paused(struct ahd_softc *ahd);72void ahd_pause(struct ahd_softc *ahd);73void ahd_unpause(struct ahd_softc *ahd);74 75static inline void76ahd_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 84static inline ahd_mode_state85ahd_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 90static inline void91ahd_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 *************************/99void *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 ***************************/104static inline size_t ahd_sg_size(struct ahd_softc *ahd);105 106void ahd_sync_sglist(struct ahd_softc *ahd,107 struct scb *scb, int op);108 109static 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 ***********************/117struct 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);122uint16_t123 ahd_inw(struct ahd_softc *ahd, u_int port);124void ahd_outw(struct ahd_softc *ahd, u_int port,125 u_int value);126uint32_t127 ahd_inl(struct ahd_softc *ahd, u_int port);128void ahd_outl(struct ahd_softc *ahd, u_int port,129 uint32_t value);130uint64_t131 ahd_inq(struct ahd_softc *ahd, u_int port);132void ahd_outq(struct ahd_softc *ahd, u_int port,133 uint64_t value);134u_int ahd_get_scbptr(struct ahd_softc *ahd);135void ahd_set_scbptr(struct ahd_softc *ahd, u_int scbptr);136u_int ahd_inb_scbram(struct ahd_softc *ahd, u_int offset);137u_int ahd_inw_scbram(struct ahd_softc *ahd, u_int offset);138struct scb *139 ahd_lookup_scb(struct ahd_softc *ahd, u_int tag);140void ahd_queue_scb(struct ahd_softc *ahd, struct scb *scb);141 142static inline uint8_t *ahd_get_sense_buf(struct ahd_softc *ahd,143 struct scb *scb);144static 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) \150do { \151 dst->hscb->scsiid = src->hscb->scsiid; \152 dst->hscb->lun = src->hscb->lun; \153} while (0)154 155#endif156 157static inline uint8_t *158ahd_get_sense_buf(struct ahd_softc *ahd, struct scb *scb)159{160 return (scb->sense_data);161}162 163static inline uint32_t164ahd_get_sense_bufaddr(struct ahd_softc *ahd, struct scb *scb)165{166 return (scb->sense_busaddr);167}168 169/************************** Interrupt Processing ******************************/170int ahd_intr(struct ahd_softc *ahd);171 172#endif /* _AIC79XX_INLINE_H_ */173