Device layer rollup commit.
[dragonfly.git] / sys / dev / raid / twe / twe_compat.h
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1/*-
2 * Copyright (c) 2000 Michael Smith
3 * Copyright (c) 2000 BSDi
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: src/sys/dev/twe/twe_compat.h,v 1.1.2.3 2002/03/07 09:57:02 msmith Exp $
e4c9c0c8 28 * $DragonFly: src/sys/dev/raid/twe/twe_compat.h,v 1.9 2004/05/19 22:52:48 dillon Exp $
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29 */
30/*
31 * Portability and compatibility interfaces.
32 */
33
9af677fa 34#ifdef __DragonFly__
984263bc 35/******************************************************************************
9af677fa 36 * DragonFly
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37 */
38#define TWE_SUPPORTED_PLATFORM
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/malloc.h>
43#include <sys/kernel.h>
0a62b1be 44#include <sys/sysctl.h>
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45
46#include <sys/bus.h>
47#include <sys/conf.h>
48#include <sys/disk.h>
49#include <sys/stat.h>
50
51#include <machine/bus_pio.h>
52#include <machine/bus.h>
53#include <machine/resource.h>
54#include <sys/rman.h>
55
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56#include <bus/pci/pcireg.h>
57#include <bus/pci/pcivar.h>
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58
59/*
60 * These macros allows us to build a version of the driver which can
61 * safely be loaded into a kernel which already contains a 'twe' driver,
62 * and which will override it in all things.
63 *
64 * All public symbols must be listed here.
65 */
66#ifdef TWE_OVERRIDE
67#define twe_setup Xtwe_setup
68#define twe_init Xtwe_init
69#define twe_deinit Xtwe_deinit
70#define twe_intr Xtwe_intr
71#define twe_submit_bio Xtwe_submit_bio
72#define twe_ioctl Xtwe_ioctl
73#define twe_describe_controller Xtwe_describe_controller
74#define twe_print_controller Xtwe_print_controller
75#define twe_enable_interrupts Xtwe_enable_interrupts
76#define twe_disable_interrupts Xtwe_disable_interrupts
77#define twe_attach_drive Xtwe_attach_drive
78#define twed_intr Xtwed_intr
79#define twe_allocate_request Xtwe_allocate_request
80#define twe_free_request Xtwe_free_request
81#define twe_map_request Xtwe_map_request
82#define twe_unmap_request Xtwe_unmap_request
83#define twe_describe_code Xtwe_describe_code
84#define twe_table_status Xtwe_table_status
85#define twe_table_unitstate Xtwe_table_unitstate
86#define twe_table_unittype Xtwe_table_unittype
87#define twe_table_aen Xtwe_table_aen
88#define TWE_DRIVER_NAME Xtwe
89#define TWED_DRIVER_NAME Xtwed
90#define TWE_MALLOC_CLASS M_XTWE
91#else
92#define TWE_DRIVER_NAME twe
93#define TWED_DRIVER_NAME twed
94#define TWE_MALLOC_CLASS M_TWE
95#endif
96
97/*
98 * Wrappers for bus-space actions
99 */
100#define TWE_CONTROL(sc, val) bus_space_write_4(sc->twe_btag, sc->twe_bhandle, 0x0, (u_int32_t)val)
101#define TWE_STATUS(sc) (u_int32_t)bus_space_read_4(sc->twe_btag, sc->twe_bhandle, 0x4)
102#define TWE_COMMAND_QUEUE(sc, val) bus_space_write_4(sc->twe_btag, sc->twe_bhandle, 0x8, (u_int32_t)val)
103#define TWE_RESPONSE_QUEUE(sc) (TWE_Response_Queue)bus_space_read_4(sc->twe_btag, sc->twe_bhandle, 0xc)
104
105/*
106 * FreeBSD-specific softc elements
107 */
108#define TWE_PLATFORM_SOFTC \
109 device_t twe_dev; /* bus device */ \
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110 struct resource *twe_io; /* register interface window */ \
111 bus_space_handle_t twe_bhandle; /* bus space handle */ \
112 bus_space_tag_t twe_btag; /* bus space tag */ \
113 bus_dma_tag_t twe_parent_dmat; /* parent DMA tag */ \
114 bus_dma_tag_t twe_buffer_dmat; /* data buffer DMA tag */ \
115 struct resource *twe_irq; /* interrupt */ \
116 void *twe_intr; /* interrupt handle */ \
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117 struct intr_config_hook twe_ich; /* delayed-startup hook */ \
118 struct sysctl_ctx_list sysctl_ctx; \
119 struct sysctl_oid *sysctl_tree;
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120
121/*
122 * FreeBSD-specific request elements
123 */
124#define TWE_PLATFORM_REQUEST \
125 bus_dmamap_t tr_cmdmap; /* DMA map for command */ \
126 u_int32_t tr_cmdphys; /* address of command in controller space */ \
127 bus_dmamap_t tr_dmamap; /* DMA map for data */ \
128 u_int32_t tr_dataphys; /* data buffer base address in controller space */
129
130/*
131 * Output identifying the controller/disk
132 */
133#define twe_printf(sc, fmt, args...) device_printf(sc->twe_dev, fmt , ##args)
134#define twed_printf(twed, fmt, args...) device_printf(twed->twed_dev, fmt , ##args)
135
42cdd4ab 136#if defined(__DragonFly__) || __FreeBSD_version < 500003
984263bc 137# include <machine/clock.h>
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138
139# include <sys/buf.h> /* old buf style */
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140# include <sys/proc.h>
141# include <sys/buf2.h>
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142typedef struct buf twe_bio;
143typedef struct buf_queue_head twe_bioq;
144# define TWE_BIO_QINIT(bq) bufq_init(&bq);
145# define TWE_BIO_QINSERT(bq, bp) bufq_insert_tail(&bq, bp)
146# define TWE_BIO_QFIRST(bq) bufq_first(&bq)
147# define TWE_BIO_QREMOVE(bq, bp) bufq_remove(&bq, bp)
148# define TWE_BIO_IS_READ(bp) ((bp)->b_flags & B_READ)
149# define TWE_BIO_DATA(bp) (bp)->b_data
150# define TWE_BIO_LENGTH(bp) (bp)->b_bcount
151# define TWE_BIO_LBA(bp) (bp)->b_pblkno
152# define TWE_BIO_SOFTC(bp) (bp)->b_dev->si_drv1
153# define TWE_BIO_UNIT(bp) *(int *)((bp)->b_dev->si_drv2)
154# define TWE_BIO_SET_ERROR(bp, err) do { (bp)->b_error = err; (bp)->b_flags |= B_ERROR;} while(0)
155# define TWE_BIO_HAS_ERROR(bp) ((bp)->b_flags & B_ERROR)
156# define TWE_BIO_RESID(bp) (bp)->b_resid
157# define TWE_BIO_DONE(bp) biodone(bp)
158# define TWE_BIO_STATS_START(bp) devstat_start_transaction(&((struct twed_softc *)TWE_BIO_SOFTC(bp))->twed_stats)
159# define TWE_BIO_STATS_END(bp) devstat_end_transaction_buf(&((struct twed_softc *)TWE_BIO_SOFTC(bp))->twed_stats, bp)
160#else
161# include <sys/bio.h>
162typedef struct bio twe_bio;
163typedef struct bio_queue_head twe_bioq;
164# define TWE_BIO_QINIT(bq) bioq_init(&bq);
165# define TWE_BIO_QINSERT(bq, bp) bioq_insert_tail(&bq, bp)
166# define TWE_BIO_QFIRST(bq) bioq_first(&bq)
167# define TWE_BIO_QREMOVE(bq, bp) bioq_remove(&bq, bp)
168# define TWE_BIO_IS_READ(bp) ((bp)->bio_cmd == BIO_READ)
169# define TWE_BIO_DATA(bp) (bp)->bio_data
170# define TWE_BIO_LENGTH(bp) (bp)->bio_bcount
171# define TWE_BIO_LBA(bp) (bp)->bio_pblkno
172# define TWE_BIO_SOFTC(bp) (bp)->bio_dev->si_drv1
173# define TWE_BIO_UNIT(bp) *(int *)((bp)->bio_dev->si_drv2)
174# define TWE_BIO_SET_ERROR(bp, err) do { (bp)->bio_error = err; (bp)->bio_flags |= BIO_ERROR;} while(0)
175# define TWE_BIO_HAS_ERROR(bp) ((bp)->bio_flags & BIO_ERROR)
176# define TWE_BIO_RESID(bp) (bp)->bio_resid
177# define TWE_BIO_DONE(bp) biodone(bp)
178# define TWE_BIO_STATS_START(bp) devstat_start_transaction(&((struct twed_softc *)TWE_BIO_SOFTC(bp))->twed_stats)
179# define TWE_BIO_STATS_END(bp) devstat_end_transaction_bio(&((struct twed_softc *)TWE_BIO_SOFTC(bp))->twed_stats, bp)
180#endif
181
9af677fa 182#endif /* DragonFly */
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183
184#ifndef TWE_SUPPORTED_PLATFORM
185#error platform not supported
186#endif