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twe.c
(55.39 KB)
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twe_compat.h
(4.5 KB)
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twe_freebsd.c
(33.27 KB)
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twe_tables.h
(5.72 KB)
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tweio.h
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twereg.h
(18.05 KB)
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twevar.h
(9.96 KB)
Editing: twe_compat.h
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2000 Michael Smith * Copyright (c) 2003 Paul Saab * Copyright (c) 2003 Vinod Kashyap * Copyright (c) 2000 BSDi * 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. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE. * * $FreeBSD$ */ /* * Portability and compatibility interfaces. */ #ifdef __FreeBSD__ /****************************************************************************** * FreeBSD */ #define TWE_SUPPORTED_PLATFORM #include <sys/param.h> #include <sys/endian.h> #include <sys/systm.h> #include <sys/malloc.h> #include <sys/kernel.h> #include <sys/lock.h> #include <sys/module.h> #include <sys/mutex.h> #include <sys/sysctl.h> #include <sys/sx.h> #include <sys/bio.h> #include <sys/bus.h> #include <sys/conf.h> #include <sys/disk.h> #include <sys/stat.h> #include <machine/bus.h> #include <machine/resource.h> #include <sys/rman.h> #include <dev/pci/pcireg.h> #include <dev/pci/pcivar.h> #include <geom/geom_disk.h> #define TWE_DRIVER_NAME twe #define TWED_DRIVER_NAME twed #define TWE_MALLOC_CLASS M_TWE /* * Wrappers for bus-space actions */ #define TWE_CONTROL(sc, val) bus_write_4((sc)->twe_io, 0x0, (u_int32_t)val) #define TWE_STATUS(sc) (u_int32_t)bus_read_4((sc)->twe_io, 0x4) #define TWE_COMMAND_QUEUE(sc, val) bus_write_4((sc)->twe_io, 0x8, (u_int32_t)val) #define TWE_RESPONSE_QUEUE(sc) (TWE_Response_Queue)bus_read_4((sc)->twe_io, 0xc) /* * FreeBSD-specific softc elements */ #define TWE_PLATFORM_SOFTC \ bus_dmamap_t twe_cmdmap; /* DMA map for command */ \ u_int32_t twe_cmdphys; /* address of command in controller space */ \ device_t twe_dev; /* bus device */ \ struct cdev *twe_dev_t; /* control device */ \ struct resource *twe_io; /* register interface window */ \ bus_dma_tag_t twe_parent_dmat; /* parent DMA tag */ \ bus_dma_tag_t twe_buffer_dmat; /* data buffer DMA tag */ \ bus_dma_tag_t twe_cmd_dmat; /* command buffer DMA tag */ \ bus_dma_tag_t twe_immediate_dmat; /* command buffer DMA tag */ \ struct resource *twe_irq; /* interrupt */ \ void *twe_intr; /* interrupt handle */ \ struct intr_config_hook twe_ich; /* delayed-startup hook */ \ void *twe_cmd; /* command structures */ \ void *twe_immediate; /* immediate commands */ \ bus_dmamap_t twe_immediate_map; \ struct mtx twe_io_lock; \ struct sx twe_config_lock; /* * FreeBSD-specific request elements */ #define TWE_PLATFORM_REQUEST \ bus_dmamap_t tr_dmamap; /* DMA map for data */ \ u_int32_t tr_dataphys; /* data buffer base address in controller space */ /* * Output identifying the controller/disk */ #define twe_printf(sc, fmt, args...) device_printf(sc->twe_dev, fmt , ##args) #define twed_printf(twed, fmt, args...) device_printf(twed->twed_dev, fmt , ##args) #define TWE_IO_LOCK(sc) mtx_lock(&(sc)->twe_io_lock) #define TWE_IO_UNLOCK(sc) mtx_unlock(&(sc)->twe_io_lock) #define TWE_IO_ASSERT_LOCKED(sc) mtx_assert(&(sc)->twe_io_lock, MA_OWNED) #define TWE_CONFIG_LOCK(sc) sx_xlock(&(sc)->twe_config_lock) #define TWE_CONFIG_UNLOCK(sc) sx_xunlock(&(sc)->twe_config_lock) #define TWE_CONFIG_ASSERT_LOCKED(sc) sx_assert(&(sc)->twe_config_lock, SA_XLOCKED) #endif /* FreeBSD */ #ifndef TWE_SUPPORTED_PLATFORM #error platform not supported #endif
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