twe_compat.h revision 146734
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: head/sys/dev/twe/twe_compat.h 146734 2005-05-29 04:42:30Z nyan $ 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/module.h> 47#include <sys/sysctl.h> 48 49#include <sys/bus.h> 50#include <sys/conf.h> 51#include <sys/disk.h> 52#include <sys/stat.h> 53 54#include <machine/bus.h> 55#include <machine/resource.h> 56#include <sys/rman.h> 57 58#include <dev/pci/pcireg.h> 59#include <dev/pci/pcivar.h> 60 61#define TWE_DRIVER_NAME twe 62#define TWED_DRIVER_NAME twed 63#define TWE_MALLOC_CLASS M_TWE 64 65/* 66 * Wrappers for bus-space actions 67 */ 68#define TWE_CONTROL(sc, val) bus_space_write_4((sc)->twe_btag, (sc)->twe_bhandle, 0x0, (u_int32_t)val) 69#define TWE_STATUS(sc) (u_int32_t)bus_space_read_4((sc)->twe_btag, (sc)->twe_bhandle, 0x4) 70#define TWE_COMMAND_QUEUE(sc, val) bus_space_write_4((sc)->twe_btag, (sc)->twe_bhandle, 0x8, (u_int32_t)val) 71#define TWE_RESPONSE_QUEUE(sc) (TWE_Response_Queue)bus_space_read_4((sc)->twe_btag, (sc)->twe_bhandle, 0xc) 72 73/* 74 * FreeBSD-specific softc elements 75 */ 76#define TWE_PLATFORM_SOFTC \ 77 bus_dmamap_t twe_cmdmap; /* DMA map for command */ \ 78 u_int32_t twe_cmdphys; /* address of command in controller space */ \ 79 device_t twe_dev; /* bus device */ \ 80 struct cdev *twe_dev_t; /* control device */ \ 81 struct resource *twe_io; /* register interface window */ \ 82 bus_space_handle_t twe_bhandle; /* bus space handle */ \ 83 bus_space_tag_t twe_btag; /* bus space tag */ \ 84 bus_dma_tag_t twe_parent_dmat; /* parent DMA tag */ \ 85 bus_dma_tag_t twe_buffer_dmat; /* data buffer DMA tag */ \ 86 bus_dma_tag_t twe_cmd_dmat; /* command buffer DMA tag */ \ 87 bus_dma_tag_t twe_immediate_dmat; /* command buffer DMA tag */ \ 88 struct resource *twe_irq; /* interrupt */ \ 89 void *twe_intr; /* interrupt handle */ \ 90 struct intr_config_hook twe_ich; /* delayed-startup hook */ \ 91 void *twe_cmd; /* command structures */ \ 92 void *twe_immediate; /* immediate commands */ \ 93 bus_dmamap_t twe_immediate_map; \ 94 struct sysctl_ctx_list sysctl_ctx; \ 95 struct sysctl_oid *sysctl_tree; 96 97/* 98 * FreeBSD-specific request elements 99 */ 100#define TWE_PLATFORM_REQUEST \ 101 bus_dmamap_t tr_dmamap; /* DMA map for data */ \ 102 u_int32_t tr_dataphys; /* data buffer base address in controller space */ 103 104/* 105 * Output identifying the controller/disk 106 */ 107#define twe_printf(sc, fmt, args...) device_printf(sc->twe_dev, fmt , ##args) 108#define twed_printf(twed, fmt, args...) device_printf(twed->twed_dev, fmt , ##args) 109 110#if __FreeBSD_version < 500003 111# include <machine/clock.h> 112# define INTR_ENTROPY 0 113# define FREEBSD_4 114 115# include <sys/buf.h> /* old buf style */ 116typedef struct buf twe_bio; 117typedef struct buf_queue_head twe_bioq; 118# define TWE_BIO_QINIT(bq) bufq_init(&bq); 119# define TWE_BIO_QINSERT(bq, bp) bufq_insert_tail(&bq, bp) 120# define TWE_BIO_QFIRST(bq) bufq_first(&bq) 121# define TWE_BIO_QREMOVE(bq, bp) bufq_remove(&bq, bp) 122# define TWE_BIO_IS_READ(bp) ((bp)->b_flags & B_READ) 123# define TWE_BIO_DATA(bp) (bp)->b_data 124# define TWE_BIO_LENGTH(bp) (bp)->b_bcount 125# define TWE_BIO_LBA(bp) (bp)->b_pblkno 126# define TWE_BIO_SOFTC(bp) (bp)->b_dev->si_drv1 127# define TWE_BIO_UNIT(bp) *(int *)((bp)->b_dev->si_drv2) 128# define TWE_BIO_SET_ERROR(bp, err) do { (bp)->b_error = err; (bp)->b_flags |= B_ERROR;} while(0) 129# define TWE_BIO_HAS_ERROR(bp) ((bp)->b_flags & B_ERROR) 130# define TWE_BIO_RESID(bp) (bp)->b_resid 131# define TWE_BIO_DONE(bp) biodone(bp) 132# define TWE_BIO_STATS_START(bp) devstat_start_transaction(&((struct twed_softc *)TWE_BIO_SOFTC(bp))->twed_stats) 133# define TWE_BIO_STATS_END(bp) devstat_end_transaction_buf(&((struct twed_softc *)TWE_BIO_SOFTC(bp))->twed_stats, bp) 134#else 135# include <sys/bio.h> 136# include <geom/geom_disk.h> 137typedef struct bio twe_bio; 138typedef struct bio_queue_head twe_bioq; 139# define TWE_BIO_QINIT(bq) bioq_init(&bq); 140# define TWE_BIO_QINSERT(bq, bp) bioq_insert_tail(&bq, bp) 141# define TWE_BIO_QFIRST(bq) bioq_first(&bq) 142# define TWE_BIO_QREMOVE(bq, bp) bioq_remove(&bq, bp) 143# define TWE_BIO_IS_READ(bp) ((bp)->bio_cmd == BIO_READ) 144# define TWE_BIO_DATA(bp) (bp)->bio_data 145# define TWE_BIO_LENGTH(bp) (bp)->bio_bcount 146# define TWE_BIO_LBA(bp) (bp)->bio_pblkno 147# define TWE_BIO_SOFTC(bp) (bp)->bio_disk->d_drv1 148# define TWE_BIO_UNIT(bp) *(int *)(bp->bio_driver1) 149# define TWE_BIO_SET_ERROR(bp, err) do { (bp)->bio_error = err; (bp)->bio_flags |= BIO_ERROR;} while(0) 150# define TWE_BIO_HAS_ERROR(bp) ((bp)->bio_flags & BIO_ERROR) 151# define TWE_BIO_RESID(bp) (bp)->bio_resid 152# define TWE_BIO_DONE(bp) biodone(bp) 153# define TWE_BIO_STATS_START(bp) 154# define TWE_BIO_STATS_END(bp) 155#endif 156 157#endif /* FreeBSD */ 158 159#ifndef TWE_SUPPORTED_PLATFORM 160#error platform not supported 161#endif 162