linux-stable/drivers/scsi/aic7xxx/aic79xx_inline.h

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