173 lines
5.9 KiB
C
173 lines
5.9 KiB
C
/*
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* Inline routines shareable across OS platforms.
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*
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* Copyright (c) 1994-2001 Justin T. Gibbs.
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* Copyright (c) 2000-2003 Adaptec Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*
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* $Id: //depot/aic7xxx/aic7xxx/aic79xx_inline.h#59 $
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*
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* $FreeBSD$
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*/
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#ifndef _AIC79XX_INLINE_H_
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#define _AIC79XX_INLINE_H_
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/******************************** Debugging ***********************************/
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static inline char *ahd_name(struct ahd_softc *ahd);
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static inline char *ahd_name(struct ahd_softc *ahd)
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{
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return (ahd->name);
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}
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/************************ Sequencer Execution Control *************************/
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static inline void ahd_known_modes(struct ahd_softc *ahd,
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ahd_mode src, ahd_mode dst);
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static inline ahd_mode_state ahd_build_mode_state(struct ahd_softc *ahd,
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ahd_mode src,
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ahd_mode dst);
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static inline void ahd_extract_mode_state(struct ahd_softc *ahd,
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ahd_mode_state state,
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ahd_mode *src, ahd_mode *dst);
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void ahd_set_modes(struct ahd_softc *ahd, ahd_mode src,
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ahd_mode dst);
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ahd_mode_state ahd_save_modes(struct ahd_softc *ahd);
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void ahd_restore_modes(struct ahd_softc *ahd,
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ahd_mode_state state);
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int ahd_is_paused(struct ahd_softc *ahd);
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void ahd_pause(struct ahd_softc *ahd);
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void ahd_unpause(struct ahd_softc *ahd);
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static inline void
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ahd_known_modes(struct ahd_softc *ahd, ahd_mode src, ahd_mode dst)
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{
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ahd->src_mode = src;
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ahd->dst_mode = dst;
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ahd->saved_src_mode = src;
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ahd->saved_dst_mode = dst;
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}
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static inline ahd_mode_state
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ahd_build_mode_state(struct ahd_softc *ahd, ahd_mode src, ahd_mode dst)
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{
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return ((src << SRC_MODE_SHIFT) | (dst << DST_MODE_SHIFT));
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}
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static inline void
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ahd_extract_mode_state(struct ahd_softc *ahd, ahd_mode_state state,
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ahd_mode *src, ahd_mode *dst)
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{
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*src = (state & SRC_MODE) >> SRC_MODE_SHIFT;
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*dst = (state & DST_MODE) >> DST_MODE_SHIFT;
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}
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/*********************** Scatter Gather List Handling *************************/
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void *ahd_sg_setup(struct ahd_softc *ahd, struct scb *scb,
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void *sgptr, dma_addr_t addr,
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bus_size_t len, int last);
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/************************** Memory mapping routines ***************************/
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static inline size_t ahd_sg_size(struct ahd_softc *ahd);
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void ahd_sync_sglist(struct ahd_softc *ahd,
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struct scb *scb, int op);
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static inline size_t ahd_sg_size(struct ahd_softc *ahd)
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{
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if ((ahd->flags & AHD_64BIT_ADDRESSING) != 0)
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return (sizeof(struct ahd_dma64_seg));
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return (sizeof(struct ahd_dma_seg));
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}
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/*********************** Miscellaneous Support Functions ***********************/
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struct ahd_initiator_tinfo *
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ahd_fetch_transinfo(struct ahd_softc *ahd,
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char channel, u_int our_id,
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u_int remote_id,
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struct ahd_tmode_tstate **tstate);
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uint16_t
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ahd_inw(struct ahd_softc *ahd, u_int port);
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void ahd_outw(struct ahd_softc *ahd, u_int port,
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u_int value);
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uint32_t
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ahd_inl(struct ahd_softc *ahd, u_int port);
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void ahd_outl(struct ahd_softc *ahd, u_int port,
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uint32_t value);
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uint64_t
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ahd_inq(struct ahd_softc *ahd, u_int port);
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void ahd_outq(struct ahd_softc *ahd, u_int port,
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uint64_t value);
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u_int ahd_get_scbptr(struct ahd_softc *ahd);
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void ahd_set_scbptr(struct ahd_softc *ahd, u_int scbptr);
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u_int ahd_inb_scbram(struct ahd_softc *ahd, u_int offset);
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u_int ahd_inw_scbram(struct ahd_softc *ahd, u_int offset);
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struct scb *
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ahd_lookup_scb(struct ahd_softc *ahd, u_int tag);
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void ahd_queue_scb(struct ahd_softc *ahd, struct scb *scb);
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static inline uint8_t *ahd_get_sense_buf(struct ahd_softc *ahd,
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struct scb *scb);
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static inline uint32_t ahd_get_sense_bufaddr(struct ahd_softc *ahd,
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struct scb *scb);
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#if 0 /* unused */
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#define AHD_COPY_COL_IDX(dst, src) \
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do { \
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dst->hscb->scsiid = src->hscb->scsiid; \
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dst->hscb->lun = src->hscb->lun; \
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} while (0)
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#endif
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static inline uint8_t *
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ahd_get_sense_buf(struct ahd_softc *ahd, struct scb *scb)
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{
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return (scb->sense_data);
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}
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static inline uint32_t
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ahd_get_sense_bufaddr(struct ahd_softc *ahd, struct scb *scb)
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{
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return (scb->sense_busaddr);
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}
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/************************** Interrupt Processing ******************************/
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int ahd_intr(struct ahd_softc *ahd);
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#endif /* _AIC79XX_INLINE_H_ */
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