126 lines
4.5 KiB
C
126 lines
4.5 KiB
C
/*-
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* Copyright (c) 2000 Michael Smith
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* Copyright (c) 2003 Paul Saab
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* Copyright (c) 2003 Vinod Kashyap
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* Copyright (c) 2000 BSDi
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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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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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
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* FOR 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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* $FreeBSD$
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*/
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/*
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* Portability and compatibility interfaces.
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*/
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#ifdef __FreeBSD__
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/******************************************************************************
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* FreeBSD
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*/
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#define TWE_SUPPORTED_PLATFORM
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#include <sys/param.h>
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#include <sys/endian.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/module.h>
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#include <sys/mutex.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/bio.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/disk.h>
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#include <sys/stat.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <geom/geom_disk.h>
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#define TWE_DRIVER_NAME twe
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#define TWED_DRIVER_NAME twed
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#define TWE_MALLOC_CLASS M_TWE
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/*
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* Wrappers for bus-space actions
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*/
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#define TWE_CONTROL(sc, val) bus_write_4((sc)->twe_io, 0x0, (u_int32_t)val)
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#define TWE_STATUS(sc) (u_int32_t)bus_read_4((sc)->twe_io, 0x4)
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#define TWE_COMMAND_QUEUE(sc, val) bus_write_4((sc)->twe_io, 0x8, (u_int32_t)val)
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#define TWE_RESPONSE_QUEUE(sc) (TWE_Response_Queue)bus_read_4((sc)->twe_io, 0xc)
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/*
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* FreeBSD-specific softc elements
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*/
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#define TWE_PLATFORM_SOFTC \
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bus_dmamap_t twe_cmdmap; /* DMA map for command */ \
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u_int32_t twe_cmdphys; /* address of command in controller space */ \
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device_t twe_dev; /* bus device */ \
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struct cdev *twe_dev_t; /* control device */ \
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struct resource *twe_io; /* register interface window */ \
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bus_dma_tag_t twe_parent_dmat; /* parent DMA tag */ \
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bus_dma_tag_t twe_buffer_dmat; /* data buffer DMA tag */ \
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bus_dma_tag_t twe_cmd_dmat; /* command buffer DMA tag */ \
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bus_dma_tag_t twe_immediate_dmat; /* command buffer DMA tag */ \
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struct resource *twe_irq; /* interrupt */ \
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void *twe_intr; /* interrupt handle */ \
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struct intr_config_hook twe_ich; /* delayed-startup hook */ \
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void *twe_cmd; /* command structures */ \
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void *twe_immediate; /* immediate commands */ \
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bus_dmamap_t twe_immediate_map; \
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struct mtx twe_io_lock; \
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struct sx twe_config_lock;
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/*
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* FreeBSD-specific request elements
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*/
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#define TWE_PLATFORM_REQUEST \
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bus_dmamap_t tr_dmamap; /* DMA map for data */ \
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u_int32_t tr_dataphys; /* data buffer base address in controller space */
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/*
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* Output identifying the controller/disk
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*/
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#define twe_printf(sc, fmt, args...) device_printf(sc->twe_dev, fmt , ##args)
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#define twed_printf(twed, fmt, args...) device_printf(twed->twed_dev, fmt , ##args)
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#define TWE_IO_LOCK(sc) mtx_lock(&(sc)->twe_io_lock)
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#define TWE_IO_UNLOCK(sc) mtx_unlock(&(sc)->twe_io_lock)
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#define TWE_IO_ASSERT_LOCKED(sc) mtx_assert(&(sc)->twe_io_lock, MA_OWNED)
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#define TWE_CONFIG_LOCK(sc) sx_xlock(&(sc)->twe_config_lock)
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#define TWE_CONFIG_UNLOCK(sc) sx_xunlock(&(sc)->twe_config_lock)
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#define TWE_CONFIG_ASSERT_LOCKED(sc) sx_assert(&(sc)->twe_config_lock, SA_XLOCKED)
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#endif /* FreeBSD */
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#ifndef TWE_SUPPORTED_PLATFORM
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#error platform not supported
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#endif
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