427 lines
14 KiB
C
427 lines
14 KiB
C
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/*
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* FreeBSD platform specific, shared driver option settings, data structures,
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* function declarations and includes.
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*
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* Copyright (c) 1994-2001 Justin T. Gibbs.
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* Copyright (c) 2001-2003 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. The name of the author may not be used to endorse or promote products
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* derived 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 Public License ("GPL").
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic_osm_lib.h#4 $
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*
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* $FreeBSD$
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*/
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/******************************** OS Includes *********************************/
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#if __FreeBSD_version >= 500000
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#include <sys/mutex.h>
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#endif
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/*************************** Library Symbol Mapping ***************************/
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#define AIC_LIB_ENTRY_CONCAT(x, prefix) prefix ## x
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#define AIC_LIB_ENTRY_EXPAND(x, prefix) AIC_LIB_ENTRY_CONCAT(x, prefix)
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#define AIC_LIB_ENTRY(x) AIC_LIB_ENTRY_EXPAND(x, AIC_LIB_PREFIX)
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#define AIC_CONST_ENTRY(x) AIC_LIB_ENTRY_EXPAND(x,AIC_CONST_PREFIX)
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#define aic_softc AIC_LIB_ENTRY(_softc)
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#define aic_tailq AIC_LIB_ENTRY(_tailq)
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#define aic_transinfo AIC_LIB_ENTRY(_transinfo)
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#define aic_platform_data AIC_LIB_ENTRY(_platform_data)
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#define aic_devinfo AIC_LIB_ENTRY(_devinfo)
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#define aic_lock AIC_LIB_ENTRY(_lock)
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#define aic_unlock AIC_LIB_ENTRY(_unlock)
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#define aic_callback_t AIC_LIB_ENTRY(_callback_t)
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#define aic_platform_freeze_devq AIC_LIB_ENTRY(_platform_freeze_devq)
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#define aic_platform_abort_scbs AIC_LIB_ENTRY(_platform_abort_scbs)
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#define aic_platform_timeout AIC_LIB_ENTRY(_platform_timeout)
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#define aic_timeout AIC_LIB_ENTRY(_timeout)
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#define aic_set_recoveryscb AIC_LIB_ENTRY(_set_recoveryscb)
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#define aic_spawn_recovery_thread AIC_LIB_ENTRY(_spawn_recovery_thread)
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#define aic_wakeup_recovery_thread AIC_LIB_ENTRY(_wakeup_recovery_thread)
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#define aic_terminate_recovery_thread \
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AIC_LIB_ENTRY(_terminate_recovery_thread)
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#define aic_recovery_thread AIC_LIB_ENTRY(_recovery_thread)
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#define aic_recover_commands AIC_LIB_ENTRY(_recover_commands)
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#define aic_calc_geometry AIC_LIB_ENTRY(_calc_geometry)
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#define AIC_RESOURCE_SHORTAGE AIC_CONST_ENTRY(_RESOURCE_SHORTAGE)
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#define AIC_SHUTDOWN_RECOVERY AIC_CONST_ENTRY(_SHUTDOWN_RECOVERY)
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/********************************* Byte Order *********************************/
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#if __FreeBSD_version >= 500000
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#define aic_htobe16(x) htobe16(x)
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#define aic_htobe32(x) htobe32(x)
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#define aic_htobe64(x) htobe64(x)
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#define aic_htole16(x) htole16(x)
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#define aic_htole32(x) htole32(x)
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#define aic_htole64(x) htole64(x)
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#define aic_be16toh(x) be16toh(x)
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#define aic_be32toh(x) be32toh(x)
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#define aic_be64toh(x) be64toh(x)
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#define aic_le16toh(x) le16toh(x)
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#define aic_le32toh(x) le32toh(x)
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#define aic_le64toh(x) le64toh(x)
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#else
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#define aic_htobe16(x) (x)
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#define aic_htobe32(x) (x)
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#define aic_htobe64(x) (x)
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#define aic_htole16(x) (x)
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#define aic_htole32(x) (x)
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#define aic_htole64(x) (x)
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#define aic_be16toh(x) (x)
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#define aic_be32toh(x) (x)
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#define aic_be64toh(x) (x)
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#define aic_le16toh(x) (x)
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#define aic_le32toh(x) (x)
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#define aic_le64toh(x) (x)
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#endif
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/************************* Forward Declarations *******************************/
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typedef device_t aic_dev_softc_t;
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typedef union ccb *aic_io_ctx_t;
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struct aic_softc;
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struct scb;
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/*************************** Timer DataStructures *****************************/
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typedef struct callout aic_timer_t;
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/****************************** Error Recovery ********************************/
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void aic_set_recoveryscb(struct aic_softc *aic, struct scb *scb);
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timeout_t aic_platform_timeout;
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int aic_spawn_recovery_thread(struct aic_softc *aic);
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void aic_terminate_recovery_thread(struct aic_softc *aic);
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static __inline void aic_wakeup_recovery_thread(struct aic_softc *aic);
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static __inline void
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aic_wakeup_recovery_thread(struct aic_softc *aic)
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{
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wakeup(aic);
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}
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/****************************** Kernel Threads ********************************/
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#if __FreeBSD_version > 500005
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#define aic_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
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kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
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#else
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#define aic_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
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kthread_create(func, farg, proc_ptr, fmtstr, arg)
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#endif
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/******************************* Bus Space/DMA ********************************/
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#if __FreeBSD_version >= 501102
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#define aic_dma_tag_create(aic, parent_tag, alignment, boundary, \
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lowaddr, highaddr, filter, filterarg, \
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maxsize, nsegments, maxsegsz, flags, \
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dma_tagp) \
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bus_dma_tag_create(parent_tag, alignment, boundary, \
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lowaddr, highaddr, filter, filterarg, \
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maxsize, nsegments, maxsegsz, flags, \
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busdma_lock_mutex, &Giant, \
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dma_tagp)
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#else
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#define aic_dma_tag_create(aic, parent_tag, alignment, boundary, \
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lowaddr, highaddr, filter, filterarg, \
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maxsize, nsegments, maxsegsz, flags, \
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dma_tagp) \
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bus_dma_tag_create(parent_tag, alignment, boundary, \
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lowaddr, highaddr, filter, filterarg, \
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maxsize, nsegments, maxsegsz, flags, \
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dma_tagp)
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#endif
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#define aic_dma_tag_destroy(aic, tag) \
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bus_dma_tag_destroy(tag)
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#define aic_dmamem_alloc(aic, dmat, vaddr, flags, mapp) \
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bus_dmamem_alloc(dmat, vaddr, flags, mapp)
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#define aic_dmamem_free(aic, dmat, vaddr, map) \
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bus_dmamem_free(dmat, vaddr, map)
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#define aic_dmamap_create(aic, tag, flags, mapp) \
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bus_dmamap_create(tag, flags, mapp)
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#define aic_dmamap_destroy(aic, tag, map) \
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bus_dmamap_destroy(tag, map)
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#define aic_dmamap_load(aic, dmat, map, addr, buflen, callback, \
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callback_arg, flags) \
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bus_dmamap_load(dmat, map, addr, buflen, callback, callback_arg, flags)
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#define aic_dmamap_unload(aic, tag, map) \
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bus_dmamap_unload(tag, map)
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/* XXX Need to update Bus DMA for partial map syncs */
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#define aic_dmamap_sync(aic, dma_tag, dmamap, offset, len, op) \
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bus_dmamap_sync(dma_tag, dmamap, op)
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/***************************** Core Includes **********************************/
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#include AIC_CORE_INCLUDE
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/***************************** Timer Facilities *******************************/
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#if __FreeBSD_version >= 500000
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#define aic_timer_init(timer) callout_init(timer, /*mpsafe*/0)
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#else
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#define aic_timer_init callout_init
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#endif
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#define aic_timer_stop callout_stop
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static __inline void aic_timer_reset(aic_timer_t *, u_int,
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aic_callback_t *, void *);
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static __inline u_int aic_get_timeout(struct scb *);
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static __inline void aic_scb_timer_reset(struct scb *, u_int);
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static __inline void
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aic_timer_reset(aic_timer_t *timer, u_int usec, aic_callback_t *func, void *arg)
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{
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callout_reset(timer, (usec * hz)/1000000, func, arg);
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}
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static __inline u_int
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aic_get_timeout(struct scb *scb)
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{
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return (scb->io_ctx->ccb_h.timeout);
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}
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static __inline void
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aic_scb_timer_reset(struct scb *scb, u_int usec)
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{
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untimeout(aic_platform_timeout, (caddr_t)scb,
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scb->io_ctx->ccb_h.timeout_ch);
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scb->io_ctx->ccb_h.timeout_ch =
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timeout(aic_platform_timeout, scb, (usec * hz)/1000000);
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}
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/************************** Transaction Operations ****************************/
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static __inline void aic_set_transaction_status(struct scb *, uint32_t);
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static __inline void aic_set_scsi_status(struct scb *, uint32_t);
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static __inline uint32_t aic_get_transaction_status(struct scb *);
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static __inline uint32_t aic_get_scsi_status(struct scb *);
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static __inline void aic_set_transaction_tag(struct scb *, int, u_int);
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static __inline u_long aic_get_transfer_length(struct scb *);
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static __inline int aic_get_transfer_dir(struct scb *);
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static __inline void aic_set_residual(struct scb *, u_long);
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static __inline void aic_set_sense_residual(struct scb *, u_long);
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static __inline u_long aic_get_residual(struct scb *);
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static __inline int aic_perform_autosense(struct scb *);
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static __inline uint32_t aic_get_sense_bufsize(struct aic_softc*, struct scb*);
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static __inline void aic_freeze_ccb(union ccb *ccb);
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static __inline void aic_freeze_scb(struct scb *scb);
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static __inline void aic_platform_freeze_devq(struct aic_softc *, struct scb *);
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static __inline int aic_platform_abort_scbs(struct aic_softc *aic, int target,
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char channel, int lun, u_int tag,
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role_t role, uint32_t status);
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static __inline
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void aic_set_transaction_status(struct scb *scb, uint32_t status)
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{
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scb->io_ctx->ccb_h.status &= ~CAM_STATUS_MASK;
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scb->io_ctx->ccb_h.status |= status;
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}
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static __inline
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void aic_set_scsi_status(struct scb *scb, uint32_t status)
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{
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scb->io_ctx->csio.scsi_status = status;
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}
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static __inline
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uint32_t aic_get_transaction_status(struct scb *scb)
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{
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return (scb->io_ctx->ccb_h.status & CAM_STATUS_MASK);
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}
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static __inline
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uint32_t aic_get_scsi_status(struct scb *scb)
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{
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return (scb->io_ctx->csio.scsi_status);
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}
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static __inline
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void aic_set_transaction_tag(struct scb *scb, int enabled, u_int type)
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{
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scb->io_ctx->csio.tag_action = type;
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if (enabled)
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scb->io_ctx->ccb_h.flags |= CAM_TAG_ACTION_VALID;
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else
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scb->io_ctx->ccb_h.flags &= ~CAM_TAG_ACTION_VALID;
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}
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static __inline
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u_long aic_get_transfer_length(struct scb *scb)
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{
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return (scb->io_ctx->csio.dxfer_len);
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}
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static __inline
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int aic_get_transfer_dir(struct scb *scb)
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{
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return (scb->io_ctx->ccb_h.flags & CAM_DIR_MASK);
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}
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static __inline
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void aic_set_residual(struct scb *scb, u_long resid)
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{
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scb->io_ctx->csio.resid = resid;
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}
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static __inline
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void aic_set_sense_residual(struct scb *scb, u_long resid)
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{
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scb->io_ctx->csio.sense_resid = resid;
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}
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static __inline
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u_long aic_get_residual(struct scb *scb)
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{
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return (scb->io_ctx->csio.resid);
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}
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static __inline
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int aic_perform_autosense(struct scb *scb)
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{
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return (!(scb->io_ctx->ccb_h.flags & CAM_DIS_AUTOSENSE));
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}
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static __inline uint32_t
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aic_get_sense_bufsize(struct aic_softc *aic, struct scb *scb)
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{
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return (sizeof(struct scsi_sense_data));
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}
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static __inline void
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aic_freeze_ccb(union ccb *ccb)
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{
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if ((ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
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ccb->ccb_h.status |= CAM_DEV_QFRZN;
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xpt_freeze_devq(ccb->ccb_h.path, /*count*/1);
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}
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||
|
|
}
|
||
|
|
|
||
|
|
static __inline void
|
||
|
|
aic_freeze_scb(struct scb *scb)
|
||
|
|
{
|
||
|
|
aic_freeze_ccb(scb->io_ctx);
|
||
|
|
}
|
||
|
|
|
||
|
|
static __inline void
|
||
|
|
aic_platform_freeze_devq(struct aic_softc *aic, struct scb *scb)
|
||
|
|
{
|
||
|
|
/* Nothing to do here for FreeBSD */
|
||
|
|
}
|
||
|
|
|
||
|
|
static __inline int
|
||
|
|
aic_platform_abort_scbs(struct aic_softc *aic, int target,
|
||
|
|
char channel, int lun, u_int tag,
|
||
|
|
role_t role, uint32_t status)
|
||
|
|
{
|
||
|
|
/* Nothing to do here for FreeBSD */
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static __inline void
|
||
|
|
aic_platform_scb_free(struct aic_softc *aic, struct scb *scb)
|
||
|
|
{
|
||
|
|
/* What do we do to generically handle driver resource shortages??? */
|
||
|
|
if ((aic->flags & AIC_RESOURCE_SHORTAGE) != 0
|
||
|
|
&& scb->io_ctx != NULL
|
||
|
|
&& (scb->io_ctx->ccb_h.status & CAM_RELEASE_SIMQ) == 0) {
|
||
|
|
scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ;
|
||
|
|
aic->flags &= ~AIC_RESOURCE_SHORTAGE;
|
||
|
|
}
|
||
|
|
scb->io_ctx = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*************************** CAM CCB Operations *******************************/
|
||
|
|
void aic_calc_geometry(struct ccb_calc_geometry *ccg, int extended);
|
||
|
|
|
||
|
|
/****************************** OS Primitives *********************************/
|
||
|
|
#define aic_delay DELAY
|
||
|
|
|
||
|
|
/********************************** PCI ***************************************/
|
||
|
|
#ifdef AIC_PCI_CONFIG
|
||
|
|
static __inline uint32_t aic_pci_read_config(aic_dev_softc_t pci,
|
||
|
|
int reg, int width);
|
||
|
|
static __inline void aic_pci_write_config(aic_dev_softc_t pci,
|
||
|
|
int reg, uint32_t value,
|
||
|
|
int width);
|
||
|
|
static __inline int aic_get_pci_function(aic_dev_softc_t);
|
||
|
|
static __inline int aic_get_pci_slot(aic_dev_softc_t);
|
||
|
|
static __inline int aic_get_pci_bus(aic_dev_softc_t);
|
||
|
|
|
||
|
|
|
||
|
|
static __inline uint32_t
|
||
|
|
aic_pci_read_config(aic_dev_softc_t pci, int reg, int width)
|
||
|
|
{
|
||
|
|
return (pci_read_config(pci, reg, width));
|
||
|
|
}
|
||
|
|
|
||
|
|
static __inline void
|
||
|
|
aic_pci_write_config(aic_dev_softc_t pci, int reg, uint32_t value, int width)
|
||
|
|
{
|
||
|
|
pci_write_config(pci, reg, value, width);
|
||
|
|
}
|
||
|
|
|
||
|
|
static __inline int
|
||
|
|
aic_get_pci_function(aic_dev_softc_t pci)
|
||
|
|
{
|
||
|
|
return (pci_get_function(pci));
|
||
|
|
}
|
||
|
|
|
||
|
|
static __inline int
|
||
|
|
aic_get_pci_slot(aic_dev_softc_t pci)
|
||
|
|
{
|
||
|
|
return (pci_get_slot(pci));
|
||
|
|
}
|
||
|
|
|
||
|
|
static __inline int
|
||
|
|
aic_get_pci_bus(aic_dev_softc_t pci)
|
||
|
|
{
|
||
|
|
return (pci_get_bus(pci));
|
||
|
|
}
|
||
|
|
|
||
|
|
typedef enum
|
||
|
|
{
|
||
|
|
AIC_POWER_STATE_D0 = PCI_POWERSTATE_D0,
|
||
|
|
AIC_POWER_STATE_D1 = PCI_POWERSTATE_D1,
|
||
|
|
AIC_POWER_STATE_D2 = PCI_POWERSTATE_D2,
|
||
|
|
AIC_POWER_STATE_D3 = PCI_POWERSTATE_D3
|
||
|
|
} aic_power_state;
|
||
|
|
|
||
|
|
static __inline int aic_power_state_change(struct aic_softc *aic,
|
||
|
|
aic_power_state new_state);
|
||
|
|
|
||
|
|
static __inline int
|
||
|
|
aic_power_state_change(struct aic_softc *aic, aic_power_state new_state)
|
||
|
|
{
|
||
|
|
return (pci_set_powerstate(aic->dev_softc, new_state));
|
||
|
|
}
|
||
|
|
#endif
|