1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2000 Michael Smith 5 * Copyright (c) 2003 Paul Saab 6 * Copyright (c) 2003 Vinod Kashyap 7 * Copyright (c) 2000 BSDi 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD$ 32 */ 33/* 34 * Portability and compatibility interfaces. 35 */ 36 37#ifdef __FreeBSD__ 38/****************************************************************************** 39 * FreeBSD 40 */ 41#define TWE_SUPPORTED_PLATFORM 42 43#include <sys/param.h> 44#include <sys/endian.h> 45#include <sys/systm.h> 46#include <sys/malloc.h> 47#include <sys/kernel.h> 48#include <sys/lock.h> 49#include <sys/module.h> 50#include <sys/mutex.h> 51#include <sys/sysctl.h> 52#include <sys/sx.h> 53 54#include <sys/bio.h> 55#include <sys/bus.h> 56#include <sys/conf.h> 57#include <sys/disk.h> 58#include <sys/stat.h> 59 60#include <machine/bus.h> 61#include <machine/resource.h> 62#include <sys/rman.h> 63 64#include <dev/pci/pcireg.h> 65#include <dev/pci/pcivar.h> 66 67#include <geom/geom_disk.h> 68 69#define TWE_DRIVER_NAME twe 70#define TWED_DRIVER_NAME twed 71#define TWE_MALLOC_CLASS M_TWE 72 73/* 74 * Wrappers for bus-space actions 75 */ 76#define TWE_CONTROL(sc, val) bus_write_4((sc)->twe_io, 0x0, (u_int32_t)val) 77#define TWE_STATUS(sc) (u_int32_t)bus_read_4((sc)->twe_io, 0x4) 78#define TWE_COMMAND_QUEUE(sc, val) bus_write_4((sc)->twe_io, 0x8, (u_int32_t)val) 79#define TWE_RESPONSE_QUEUE(sc) (TWE_Response_Queue)bus_read_4((sc)->twe_io, 0xc) 80 81/* 82 * FreeBSD-specific softc elements 83 */ 84#define TWE_PLATFORM_SOFTC \ 85 bus_dmamap_t twe_cmdmap; /* DMA map for command */ \ 86 u_int32_t twe_cmdphys; /* address of command in controller space */ \ 87 device_t twe_dev; /* bus device */ \ 88 struct cdev *twe_dev_t; /* control device */ \ 89 struct resource *twe_io; /* register interface window */ \ 90 bus_dma_tag_t twe_parent_dmat; /* parent DMA tag */ \ 91 bus_dma_tag_t twe_buffer_dmat; /* data buffer DMA tag */ \ 92 bus_dma_tag_t twe_cmd_dmat; /* command buffer DMA tag */ \ 93 bus_dma_tag_t twe_immediate_dmat; /* command buffer DMA tag */ \ 94 struct resource *twe_irq; /* interrupt */ \ 95 void *twe_intr; /* interrupt handle */ \ 96 struct intr_config_hook twe_ich; /* delayed-startup hook */ \ 97 void *twe_cmd; /* command structures */ \ 98 void *twe_immediate; /* immediate commands */ \ 99 bus_dmamap_t twe_immediate_map; \ 100 struct mtx twe_io_lock; \ 101 struct sx twe_config_lock; 102 103/* 104 * FreeBSD-specific request elements 105 */ 106#define TWE_PLATFORM_REQUEST \ 107 bus_dmamap_t tr_dmamap; /* DMA map for data */ \ 108 u_int32_t tr_dataphys; /* data buffer base address in controller space */ 109 110/* 111 * Output identifying the controller/disk 112 */ 113#define twe_printf(sc, fmt, args...) device_printf(sc->twe_dev, fmt , ##args) 114#define twed_printf(twed, fmt, args...) device_printf(twed->twed_dev, fmt , ##args) 115 116#define TWE_IO_LOCK(sc) mtx_lock(&(sc)->twe_io_lock) 117#define TWE_IO_UNLOCK(sc) mtx_unlock(&(sc)->twe_io_lock) 118#define TWE_IO_ASSERT_LOCKED(sc) mtx_assert(&(sc)->twe_io_lock, MA_OWNED) 119#define TWE_CONFIG_LOCK(sc) sx_xlock(&(sc)->twe_config_lock) 120#define TWE_CONFIG_UNLOCK(sc) sx_xunlock(&(sc)->twe_config_lock) 121#define TWE_CONFIG_ASSERT_LOCKED(sc) sx_assert(&(sc)->twe_config_lock, SA_XLOCKED) 122 123#endif /* FreeBSD */ 124 125#ifndef TWE_SUPPORTED_PLATFORM 126#error platform not supported 127#endif 128