twe_compat.h revision 267654
1/*- 2 * Copyright (c) 2000 Michael Smith 3 * Copyright (c) 2003 Paul Saab 4 * Copyright (c) 2003 Vinod Kashyap 5 * Copyright (c) 2000 BSDi 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD: releng/9.3/sys/dev/twe/twe_compat.h 247331 2013-02-26 18:19:51Z jhb $ 30 */ 31/* 32 * Portability and compatibility interfaces. 33 */ 34 35#ifdef __FreeBSD__ 36/****************************************************************************** 37 * FreeBSD 38 */ 39#define TWE_SUPPORTED_PLATFORM 40 41#include <sys/param.h> 42#include <sys/endian.h> 43#include <sys/systm.h> 44#include <sys/malloc.h> 45#include <sys/kernel.h> 46#include <sys/lock.h> 47#include <sys/module.h> 48#include <sys/mutex.h> 49#include <sys/sysctl.h> 50#include <sys/sx.h> 51 52#include <sys/bio.h> 53#include <sys/bus.h> 54#include <sys/conf.h> 55#include <sys/disk.h> 56#include <sys/stat.h> 57 58#include <machine/bus.h> 59#include <machine/resource.h> 60#include <sys/rman.h> 61 62#include <dev/pci/pcireg.h> 63#include <dev/pci/pcivar.h> 64 65#include <geom/geom_disk.h> 66 67#define TWE_DRIVER_NAME twe 68#define TWED_DRIVER_NAME twed 69#define TWE_MALLOC_CLASS M_TWE 70 71/* 72 * Wrappers for bus-space actions 73 */ 74#define TWE_CONTROL(sc, val) bus_write_4((sc)->twe_io, 0x0, (u_int32_t)val) 75#define TWE_STATUS(sc) (u_int32_t)bus_read_4((sc)->twe_io, 0x4) 76#define TWE_COMMAND_QUEUE(sc, val) bus_write_4((sc)->twe_io, 0x8, (u_int32_t)val) 77#define TWE_RESPONSE_QUEUE(sc) (TWE_Response_Queue)bus_read_4((sc)->twe_io, 0xc) 78 79/* 80 * FreeBSD-specific softc elements 81 */ 82#define TWE_PLATFORM_SOFTC \ 83 bus_dmamap_t twe_cmdmap; /* DMA map for command */ \ 84 u_int32_t twe_cmdphys; /* address of command in controller space */ \ 85 device_t twe_dev; /* bus device */ \ 86 struct cdev *twe_dev_t; /* control device */ \ 87 struct resource *twe_io; /* register interface window */ \ 88 bus_dma_tag_t twe_parent_dmat; /* parent DMA tag */ \ 89 bus_dma_tag_t twe_buffer_dmat; /* data buffer DMA tag */ \ 90 bus_dma_tag_t twe_cmd_dmat; /* command buffer DMA tag */ \ 91 bus_dma_tag_t twe_immediate_dmat; /* command buffer DMA tag */ \ 92 struct resource *twe_irq; /* interrupt */ \ 93 void *twe_intr; /* interrupt handle */ \ 94 struct intr_config_hook twe_ich; /* delayed-startup hook */ \ 95 void *twe_cmd; /* command structures */ \ 96 void *twe_immediate; /* immediate commands */ \ 97 bus_dmamap_t twe_immediate_map; \ 98 struct mtx twe_io_lock; \ 99 struct sx twe_config_lock; 100 101/* 102 * FreeBSD-specific request elements 103 */ 104#define TWE_PLATFORM_REQUEST \ 105 bus_dmamap_t tr_dmamap; /* DMA map for data */ \ 106 u_int32_t tr_dataphys; /* data buffer base address in controller space */ 107 108/* 109 * Output identifying the controller/disk 110 */ 111#define twe_printf(sc, fmt, args...) device_printf(sc->twe_dev, fmt , ##args) 112#define twed_printf(twed, fmt, args...) device_printf(twed->twed_dev, fmt , ##args) 113 114#define TWE_IO_LOCK(sc) mtx_lock(&(sc)->twe_io_lock) 115#define TWE_IO_UNLOCK(sc) mtx_unlock(&(sc)->twe_io_lock) 116#define TWE_IO_ASSERT_LOCKED(sc) mtx_assert(&(sc)->twe_io_lock, MA_OWNED) 117#define TWE_CONFIG_LOCK(sc) sx_xlock(&(sc)->twe_config_lock) 118#define TWE_CONFIG_UNLOCK(sc) sx_xunlock(&(sc)->twe_config_lock) 119#define TWE_CONFIG_ASSERT_LOCKED(sc) sx_assert(&(sc)->twe_config_lock, SA_XLOCKED) 120 121#endif /* FreeBSD */ 122 123#ifndef TWE_SUPPORTED_PLATFORM 124#error platform not supported 125#endif 126