CoCalc -- ahci

GitHub Repository: freebsd/freebsd-src
Path: blob/main/sys/dev/ahci/ahci_pci.c
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/*-
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 * Copyright (c) 2009-2012 Alexander Motin <[email protected]>
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer,
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 *    without modification, immediately at the beginning of the file.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include <sys/param.h>
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#include <sys/module.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/endian.h>
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#include <sys/malloc.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/stdarg.h>
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#include <sys/sysctl.h>
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#include <sys/taskqueue.h>
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#include <sys/tree.h>
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#include <machine/resource.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/iommu/iommu.h>
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#include "ahci.h"
48

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static int force_ahci = 1;
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TUNABLE_INT("hw.ahci.force", &force_ahci);
51

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static const struct {
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	uint32_t	id;
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	uint8_t		rev;
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	const char	*name;
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	int		quirks;
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} ahci_ids[] = {
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	{0x43801002, 0x00, "AMD SB600",
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	    AHCI_Q_NOMSI | AHCI_Q_ATI_PMP_BUG | AHCI_Q_MAXIO_64K},
60
	{0x43901002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
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	    AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
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	{0x43911002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
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	    AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
64
	{0x43921002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
65
	    AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
66
	{0x43931002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
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	    AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
68
	{0x43941002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
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	    AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
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	/* Not sure SB8x0/SB9x0 needs this quirk. Be conservative though */
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	{0x43951002, 0x00, "AMD SB8x0/SB9x0",	AHCI_Q_ATI_PMP_BUG},
72
	{0x43b61022, 0x00, "AMD X399",		0},
73
	{0x43b51022, 0x00, "AMD 300 Series",	0}, /* X370 */
74
	{0x43b71022, 0x00, "AMD 300 Series",	0}, /* B350 */
75
	{0x43c81022, 0x00, "AMD 400 Series",	0}, /* B450 */
76
	{0x43eb1022, 0x00, "AMD 500 Series",	0},
77
	{0x43f61022, 0x00, "AMD 600 Series",	0}, /* X670 */
78
	{0x78001022, 0x00, "AMD Hudson-2",	0},
79
	{0x78011022, 0x00, "AMD Hudson-2",	0},
80
	{0x78021022, 0x00, "AMD Hudson-2",	0},
81
	{0x78031022, 0x00, "AMD Hudson-2",	0},
82
	{0x78041022, 0x00, "AMD Hudson-2",	0},
83
	{0x79001022, 0x00, "AMD KERNCZ",	0},
84
	{0x79011022, 0x00, "AMD KERNCZ",	0},
85
	{0x79021022, 0x00, "AMD KERNCZ",	0},
86
	{0x79031022, 0x00, "AMD KERNCZ",	0},
87
	{0x79041022, 0x00, "AMD KERNCZ",	0},
88
	{0x79161022, 0x00, "AMD KERNCZ (RAID)",	0},
89
	{0x06011b21, 0x00, "ASMedia ASM1060",	AHCI_Q_NOCCS|AHCI_Q_NOAUX},
90
	{0x06021b21, 0x00, "ASMedia ASM1060",	AHCI_Q_NOCCS|AHCI_Q_NOAUX},
91
	{0x06111b21, 0x00, "ASMedia ASM1061",	AHCI_Q_NOCCS|AHCI_Q_NOAUX},
92
	{0x06121b21, 0x00, "ASMedia ASM1062",	AHCI_Q_NOCCS|AHCI_Q_NOAUX},
93
	{0x06201b21, 0x00, "ASMedia ASM106x",	AHCI_Q_NOCCS|AHCI_Q_NOAUX},
94
	{0x06211b21, 0x00, "ASMedia ASM106x",	AHCI_Q_NOCCS|AHCI_Q_NOAUX},
95
	{0x06221b21, 0x00, "ASMedia ASM106x",	AHCI_Q_NOCCS|AHCI_Q_NOAUX},
96
	{0x06241b21, 0x00, "ASMedia ASM106x",	AHCI_Q_NOCCS|AHCI_Q_NOAUX},
97
	{0x06251b21, 0x00, "ASMedia ASM106x",	AHCI_Q_NOCCS|AHCI_Q_NOAUX},
98
	{0x10621b21, 0x00, "ASMedia ASM116x",	0},
99
	{0x10641b21, 0x00, "ASMedia ASM116x",	0},
100
	{0x11641b21, 0x00, "ASMedia ASM116x",	0},
101
	{0x11651b21, 0x00, "ASMedia ASM116x",	0},
102
	{0x11661b21, 0x00, "ASMedia ASM116x",	0},
103
	{0x79011d94, 0x00, "Hygon KERNCZ",	0},
104
	{0x0f228086, 0x00, "Intel BayTrail",	0},
105
	{0x0f238086, 0x00, "Intel BayTrail",	0},
106
	{0x26528086, 0x00, "Intel ICH6",	AHCI_Q_NOFORCE},
107
	{0x26538086, 0x00, "Intel ICH6M",	AHCI_Q_NOFORCE},
108
	{0x26818086, 0x00, "Intel ESB2",	0},
109
	{0x26828086, 0x00, "Intel ESB2",	0},
110
	{0x26838086, 0x00, "Intel ESB2",	0},
111
	{0x27c18086, 0x00, "Intel ICH7",	0},
112
	{0x27c38086, 0x00, "Intel ICH7",	0},
113
	{0x27c58086, 0x00, "Intel ICH7M",	0},
114
	{0x27c68086, 0x00, "Intel ICH7M",	0},
115
	{0x28218086, 0x00, "Intel ICH8",	0},
116
	{0x28228086, 0x00, "Intel ICH8+ (RAID)",	0},
117
	{0x28248086, 0x00, "Intel ICH8",	0},
118
	{0x28298086, 0x00, "Intel ICH8M",	0},
119
	{0x282a8086, 0x00, "Intel ICH8M+ (RAID)",	0},
120
	{0x29228086, 0x00, "Intel ICH9",	0},
121
	{0x29238086, 0x00, "Intel ICH9",	0},
122
	{0x29248086, 0x00, "Intel ICH9",	0},
123
	{0x29258086, 0x00, "Intel ICH9",	0},
124
	{0x29278086, 0x00, "Intel ICH9",	0},
125
	{0x29298086, 0x00, "Intel ICH9M",	0},
126
	{0x292a8086, 0x00, "Intel ICH9M",	0},
127
	{0x292b8086, 0x00, "Intel ICH9M",	0},
128
	{0x292c8086, 0x00, "Intel ICH9M",	0},
129
	{0x292f8086, 0x00, "Intel ICH9M",	0},
130
	{0x294d8086, 0x00, "Intel ICH9",	0},
131
	{0x294e8086, 0x00, "Intel ICH9M",	0},
132
	{0x3a028086, 0x00, "Intel ICH10",	0},
133
	{0x3a058086, 0x00, "Intel ICH10 (RAID)",	0},
134
	{0x3a228086, 0x00, "Intel ICH10",	0},
135
	{0x3a258086, 0x00, "Intel ICH10 (RAID)",	0},
136
	{0x3b228086, 0x00, "Intel Ibex Peak",	0},
137
	{0x3b238086, 0x00, "Intel Ibex Peak",	0},
138
	{0x3b258086, 0x00, "Intel Ibex Peak (RAID)",	0},
139
	{0x3b298086, 0x00, "Intel Ibex Peak-M",	0},
140
	{0x3b2c8086, 0x00, "Intel Ibex Peak-M (RAID)",	0},
141
	{0x3b2f8086, 0x00, "Intel Ibex Peak-M",	0},
142
	{0x06d68086, 0x00, "Intel Comet Lake (RAID)", 0},
143
	{0x19b08086, 0x00, "Intel Denverton",	0},
144
	{0x19b18086, 0x00, "Intel Denverton",	0},
145
	{0x19b28086, 0x00, "Intel Denverton",	0},
146
	{0x19b38086, 0x00, "Intel Denverton",	0},
147
	{0x19b48086, 0x00, "Intel Denverton",	0},
148
	{0x19b58086, 0x00, "Intel Denverton",	0},
149
	{0x19b68086, 0x00, "Intel Denverton",	0},
150
	{0x19b78086, 0x00, "Intel Denverton",	0},
151
	{0x19be8086, 0x00, "Intel Denverton",	0},
152
	{0x19bf8086, 0x00, "Intel Denverton",	0},
153
	{0x19c08086, 0x00, "Intel Denverton",	0},
154
	{0x19c18086, 0x00, "Intel Denverton",	0},
155
	{0x19c28086, 0x00, "Intel Denverton",	0},
156
	{0x19c38086, 0x00, "Intel Denverton",	0},
157
	{0x19c48086, 0x00, "Intel Denverton",	0},
158
	{0x19c58086, 0x00, "Intel Denverton",	0},
159
	{0x19c68086, 0x00, "Intel Denverton",	0},
160
	{0x19c78086, 0x00, "Intel Denverton",	0},
161
	{0x19ce8086, 0x00, "Intel Denverton",	0},
162
	{0x19cf8086, 0x00, "Intel Denverton",	0},
163
	{0x1c028086, 0x00, "Intel Cougar Point",	0},
164
	{0x1c038086, 0x00, "Intel Cougar Point",	0},
165
	{0x1c048086, 0x00, "Intel Cougar Point (RAID)",	0},
166
	{0x1c058086, 0x00, "Intel Cougar Point (RAID)",	0},
167
	{0x1c068086, 0x00, "Intel Cougar Point (RAID)",	0},
168
	{0x1d028086, 0x00, "Intel Patsburg",	0},
169
	{0x1d048086, 0x00, "Intel Patsburg",	0},
170
	{0x1d068086, 0x00, "Intel Patsburg",	0},
171
	{0x28268086, 0x00, "Intel Patsburg+ (RAID)",	0},
172
	{0x1e028086, 0x00, "Intel Panther Point",	0},
173
	{0x1e038086, 0x00, "Intel Panther Point",	0},
174
	{0x1e048086, 0x00, "Intel Panther Point (RAID)",	0},
175
	{0x1e058086, 0x00, "Intel Panther Point (RAID)",	0},
176
	{0x1e068086, 0x00, "Intel Panther Point (RAID)",	0},
177
	{0x1e078086, 0x00, "Intel Panther Point (RAID)",	0},
178
	{0x1e0e8086, 0x00, "Intel Panther Point (RAID)",	0},
179
	{0x1e0f8086, 0x00, "Intel Panther Point (RAID)",	0},
180
	{0x1f228086, 0x00, "Intel Avoton",	0},
181
	{0x1f238086, 0x00, "Intel Avoton",	0},
182
	{0x1f248086, 0x00, "Intel Avoton (RAID)",	0},
183
	{0x1f258086, 0x00, "Intel Avoton (RAID)",	0},
184
	{0x1f268086, 0x00, "Intel Avoton (RAID)",	0},
185
	{0x1f278086, 0x00, "Intel Avoton (RAID)",	0},
186
	{0x1f2e8086, 0x00, "Intel Avoton (RAID)",	0},
187
	{0x1f2f8086, 0x00, "Intel Avoton (RAID)",	0},
188
	{0x1f328086, 0x00, "Intel Avoton",	0},
189
	{0x1f338086, 0x00, "Intel Avoton",	0},
190
	{0x1f348086, 0x00, "Intel Avoton (RAID)",	0},
191
	{0x1f358086, 0x00, "Intel Avoton (RAID)",	0},
192
	{0x1f368086, 0x00, "Intel Avoton (RAID)",	0},
193
	{0x1f378086, 0x00, "Intel Avoton (RAID)",	0},
194
	{0x1f3e8086, 0x00, "Intel Avoton (RAID)",	0},
195
	{0x1f3f8086, 0x00, "Intel Avoton (RAID)",	0},
196
	{0x23a38086, 0x00, "Intel Coleto Creek",	0},
197
	{0x31e38086, 0x00, "Intel Gemini Lake",	0},
198
	{0x4b638086, 0x00, "Intel Elkhart Lake",	0},
199
	{0x5ae38086, 0x00, "Intel Apollo Lake",	0},
200
	{0x7ae28086, 0x00, "Intel Alder Lake",	0},
201
	{0x8c028086, 0x00, "Intel Lynx Point",	0},
202
	{0x8c038086, 0x00, "Intel Lynx Point",	0},
203
	{0x8c048086, 0x00, "Intel Lynx Point (RAID)",	0},
204
	{0x8c058086, 0x00, "Intel Lynx Point (RAID)",	0},
205
	{0x8c068086, 0x00, "Intel Lynx Point (RAID)",	0},
206
	{0x8c078086, 0x00, "Intel Lynx Point (RAID)",	0},
207
	{0x8c0e8086, 0x00, "Intel Lynx Point (RAID)",	0},
208
	{0x8c0f8086, 0x00, "Intel Lynx Point (RAID)",	0},
209
	{0x8c828086, 0x00, "Intel Wildcat Point",	0},
210
	{0x8c838086, 0x00, "Intel Wildcat Point",	0},
211
	{0x8c848086, 0x00, "Intel Wildcat Point (RAID)",	0},
212
	{0x8c858086, 0x00, "Intel Wildcat Point (RAID)",	0},
213
	{0x8c868086, 0x00, "Intel Wildcat Point (RAID)",	0},
214
	{0x8c878086, 0x00, "Intel Wildcat Point (RAID)",	0},
215
	{0x8c8e8086, 0x00, "Intel Wildcat Point (RAID)",	0},
216
	{0x8c8f8086, 0x00, "Intel Wildcat Point (RAID)",	0},
217
	{0x8d028086, 0x00, "Intel Wellsburg",	0},
218
	{0x8d048086, 0x00, "Intel Wellsburg (RAID)",	0},
219
	{0x8d068086, 0x00, "Intel Wellsburg (RAID)",	0},
220
	{0x8d628086, 0x00, "Intel Wellsburg",	0},
221
	{0x8d648086, 0x00, "Intel Wellsburg (RAID)",	0},
222
	{0x8d668086, 0x00, "Intel Wellsburg (RAID)",	0},
223
	{0x8d6e8086, 0x00, "Intel Wellsburg (RAID)",	0},
224
	{0x28238086, 0x00, "Intel Wellsburg+ (RAID)",	0},
225
	{0x28278086, 0x00, "Intel Wellsburg+ (RAID)",	0},
226
	{0x9c028086, 0x00, "Intel Lynx Point-LP",	0},
227
	{0x9c038086, 0x00, "Intel Lynx Point-LP",	0},
228
	{0x9c048086, 0x00, "Intel Lynx Point-LP (RAID)",	0},
229
	{0x9c058086, 0x00, "Intel Lynx Point-LP (RAID)",	0},
230
	{0x9c068086, 0x00, "Intel Lynx Point-LP (RAID)",	0},
231
	{0x9c078086, 0x00, "Intel Lynx Point-LP (RAID)",	0},
232
	{0x9c0e8086, 0x00, "Intel Lynx Point-LP (RAID)",	0},
233
	{0x9c0f8086, 0x00, "Intel Lynx Point-LP (RAID)",	0},
234
	{0x9c838086, 0x00, "Intel Wildcat Point-LP",	0},
235
	{0x9c858086, 0x00, "Intel Wildcat Point-LP (RAID)",	0},
236
	{0x9c878086, 0x00, "Intel Wildcat Point-LP (RAID)",	0},
237
	{0x9c8f8086, 0x00, "Intel Wildcat Point-LP (RAID)",	0},
238
	{0x9d038086, 0x00, "Intel Sunrise Point-LP",	0},
239
	{0x9d058086, 0x00, "Intel Sunrise Point-LP (RAID)",	0},
240
	{0x9d078086, 0x00, "Intel Sunrise Point-LP (RAID)",	0},
241
	{0xa1028086, 0x00, "Intel Sunrise Point",	0},
242
	{0xa1038086, 0x00, "Intel Sunrise Point",	0},
243
	{0xa1058086, 0x00, "Intel Sunrise Point (RAID)",	0},
244
	{0xa1068086, 0x00, "Intel Sunrise Point (RAID)",	0},
245
	{0xa1078086, 0x00, "Intel Sunrise Point (RAID)",	0},
246
	{0xa10f8086, 0x00, "Intel Sunrise Point (RAID)",	0},
247
	{0xa1828086, 0x00, "Intel Lewisburg",	0},
248
	{0xa1868086, 0x00, "Intel Lewisburg (RAID)",	0},
249
	{0xa1d28086, 0x00, "Intel Lewisburg",	0},
250
	{0xa1d68086, 0x00, "Intel Lewisburg (RAID)",	0},
251
	{0xa2028086, 0x00, "Intel Lewisburg",	0},
252
	{0xa2068086, 0x00, "Intel Lewisburg (RAID)",	0},
253
	{0xa2528086, 0x00, "Intel Lewisburg",	0},
254
	{0xa2568086, 0x00, "Intel Lewisburg (RAID)",	0},
255
	{0xa2828086, 0x00, "Intel Union Point",	0},
256
	{0xa2868086, 0x00, "Intel Union Point (RAID)",	0},
257
	{0xa28e8086, 0x00, "Intel Union Point (RAID)",	0},
258
	{0xa3528086, 0x00, "Intel Cannon Lake",	0},
259
	{0xa3538086, 0x00, "Intel Cannon Lake",	0},
260
	{0x23238086, 0x00, "Intel DH89xxCC",	0},
261
	{0x2360197b, 0x00, "JMicron JMB360",	0},
262
	{0x2361197b, 0x00, "JMicron JMB361",	AHCI_Q_NOFORCE | AHCI_Q_1CH},
263
	{0x2362197b, 0x00, "JMicron JMB362",	0},
264
	{0x2363197b, 0x00, "JMicron JMB363",	AHCI_Q_NOFORCE},
265
	{0x2365197b, 0x00, "JMicron JMB365",	AHCI_Q_NOFORCE},
266
	{0x2366197b, 0x00, "JMicron JMB366",	AHCI_Q_NOFORCE},
267
	{0x2368197b, 0x00, "JMicron JMB368",	AHCI_Q_NOFORCE},
268
	{0x2392197b, 0x00, "JMicron JMB388",	AHCI_Q_IOMMU_BUSWIDE},
269
	{0x0585197b, 0x00, "JMicron JMB58x",	0},
270
	{0x01221c28, 0x00, "Lite-On Plextor M6E (Marvell 88SS9183)",
271
	    AHCI_Q_IOMMU_BUSWIDE},
272
	{0x611111ab, 0x00, "Marvell 88SE6111",	AHCI_Q_NOFORCE | AHCI_Q_NOPMP |
273
	    AHCI_Q_1CH | AHCI_Q_EDGEIS},
274
	{0x612111ab, 0x00, "Marvell 88SE6121",	AHCI_Q_NOFORCE | AHCI_Q_NOPMP |
275
	    AHCI_Q_2CH | AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT},
276
	{0x614111ab, 0x00, "Marvell 88SE6141",	AHCI_Q_NOFORCE | AHCI_Q_NOPMP |
277
	    AHCI_Q_4CH | AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT},
278
	{0x614511ab, 0x00, "Marvell 88SE6145",	AHCI_Q_NOFORCE | AHCI_Q_NOPMP |
279
	    AHCI_Q_4CH | AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT},
280
	{0x91201b4b, 0x00, "Marvell 88SE912x",	AHCI_Q_EDGEIS |
281
	    AHCI_Q_IOMMU_BUSWIDE},
282
	{0x91231b4b, 0x11, "Marvell 88SE912x",	AHCI_Q_ALTSIG |
283
	    AHCI_Q_IOMMU_BUSWIDE},
284
	{0x91231b4b, 0x00, "Marvell 88SE912x",	AHCI_Q_EDGEIS | AHCI_Q_SATA2 |
285
	    AHCI_Q_IOMMU_BUSWIDE},
286
	{0x91251b4b, 0x00, "Marvell 88SE9125",	0},
287
	{0x91281b4b, 0x00, "Marvell 88SE9128",	AHCI_Q_ALTSIG |
288
	    AHCI_Q_IOMMU_BUSWIDE},
289
	{0x91301b4b, 0x00, "Marvell 88SE9130",  AHCI_Q_ALTSIG |
290
	    AHCI_Q_IOMMU_BUSWIDE},
291
	{0x91701b4b, 0x00, "Marvell 88SE9170",	AHCI_Q_IOMMU_BUSWIDE},
292
	{0x91721b4b, 0x00, "Marvell 88SE9172",	AHCI_Q_IOMMU_BUSWIDE},
293
	{0x917a1b4b, 0x00, "Marvell 88SE917A",	AHCI_Q_IOMMU_BUSWIDE},
294
	{0x91821b4b, 0x00, "Marvell 88SE9182",	AHCI_Q_IOMMU_BUSWIDE},
295
	{0x91831b4b, 0x00, "Marvell 88SS9183",	AHCI_Q_IOMMU_BUSWIDE},
296
	{0x91a01b4b, 0x00, "Marvell 88SE91Ax",	AHCI_Q_IOMMU_BUSWIDE},
297
	{0x92151b4b, 0x00, "Marvell 88SE9215",  0},
298
	{0x92201b4b, 0x00, "Marvell 88SE9220",  AHCI_Q_ALTSIG |
299
	    AHCI_Q_IOMMU_BUSWIDE},
300
	{0x92301b4b, 0x00, "Marvell 88SE9230",  AHCI_Q_ALTSIG |
301
	    AHCI_Q_IOMMU_BUSWIDE | AHCI_Q_SLOWDEV},
302
	{0x92351b4b, 0x00, "Marvell 88SE9235",  0},
303
	{0x06201103, 0x00, "HighPoint RocketRAID 620",	0},
304
	{0x06201b4b, 0x00, "HighPoint RocketRAID 620",	0},
305
	{0x06221103, 0x00, "HighPoint RocketRAID 622",	0},
306
	{0x06221b4b, 0x00, "HighPoint RocketRAID 622",	0},
307
	{0x06401103, 0x00, "HighPoint RocketRAID 640",	0},
308
	{0x06401b4b, 0x00, "HighPoint RocketRAID 640",	0},
309
	{0x06441103, 0x00, "HighPoint RocketRAID 644",	0},
310
	{0x06441b4b, 0x00, "HighPoint RocketRAID 644",	0},
311
	{0x06411103, 0x00, "HighPoint RocketRAID 640L",	0},
312
	{0x06421103, 0x00, "HighPoint RocketRAID 642L",	AHCI_Q_IOMMU_BUSWIDE},
313
	{0x06451103, 0x00, "HighPoint RocketRAID 644L",	AHCI_Q_IOMMU_BUSWIDE},
314
	{0x044c10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
315
	{0x044d10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
316
	{0x044e10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
317
	{0x044f10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
318
	{0x045c10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
319
	{0x045d10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
320
	{0x045e10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
321
	{0x045f10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
322
	{0x055010de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
323
	{0x055110de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
324
	{0x055210de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
325
	{0x055310de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
326
	{0x055410de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
327
	{0x055510de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
328
	{0x055610de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
329
	{0x055710de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
330
	{0x055810de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
331
	{0x055910de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
332
	{0x055A10de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
333
	{0x055B10de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
334
	{0x058410de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
335
	{0x07f010de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
336
	{0x07f110de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
337
	{0x07f210de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
338
	{0x07f310de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
339
	{0x07f410de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
340
	{0x07f510de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
341
	{0x07f610de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
342
	{0x07f710de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
343
	{0x07f810de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
344
	{0x07f910de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
345
	{0x07fa10de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
346
	{0x07fb10de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
347
	{0x0ad010de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
348
	{0x0ad110de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
349
	{0x0ad210de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
350
	{0x0ad310de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
351
	{0x0ad410de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
352
	{0x0ad510de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
353
	{0x0ad610de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
354
	{0x0ad710de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
355
	{0x0ad810de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
356
	{0x0ad910de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
357
	{0x0ada10de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
358
	{0x0adb10de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
359
	{0x0ab410de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
360
	{0x0ab510de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
361
	{0x0ab610de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
362
	{0x0ab710de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
363
	{0x0ab810de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
364
	{0x0ab910de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
365
	{0x0aba10de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
366
	{0x0abb10de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
367
	{0x0abc10de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
368
	{0x0abd10de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
369
	{0x0abe10de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
370
	{0x0abf10de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
371
	{0x0d8410de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
372
	{0x0d8510de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOFORCE|AHCI_Q_NOAA},
373
	{0x0d8610de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
374
	{0x0d8710de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
375
	{0x0d8810de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
376
	{0x0d8910de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
377
	{0x0d8a10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
378
	{0x0d8b10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
379
	{0x0d8c10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
380
	{0x0d8d10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
381
	{0x0d8e10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
382
	{0x0d8f10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
383
	{0x3781105a, 0x00, "Promise TX8660",	0},
384
	{0x33491106, 0x00, "VIA VT8251",	AHCI_Q_NOPMP|AHCI_Q_NONCQ},
385
	{0x62871106, 0x00, "VIA VT8251",	AHCI_Q_NOPMP|AHCI_Q_NONCQ},
386
	{0x11841039, 0x00, "SiS 966",		0},
387
	{0x11851039, 0x00, "SiS 968",		0},
388
	{0x01861039, 0x00, "SiS 968",		0},
389
	{0xa01c177d, 0x00, "ThunderX",		AHCI_Q_ABAR0|AHCI_Q_1MSI},
390
	{0x00311c36, 0x00, "Annapurna",		AHCI_Q_FORCE_PI|AHCI_Q_RESTORE_CAP|AHCI_Q_NOMSIX},
391
	{0x1600144d, 0x00, "Samsung",		AHCI_Q_NOMSI},
392
	{0x07e015ad, 0x00, "VMware",		0},
393
	{0x00000000, 0x00, NULL,		0}
394
};
395

396
static int
397
ahci_pci_ctlr_reset(device_t dev)
398
{
399

400
	return(ahci_ctlr_reset(dev));
401
}
402

403
static int
404
ahci_probe(device_t dev)
405
{
406
	int i, valid = 0;
407
	uint32_t devid = pci_get_devid(dev);
408
	uint8_t revid = pci_get_revid(dev);
409

410
	/*
411
	 * Ensure it is not a PCI bridge (some vendors use
412
	 * the same PID and VID in PCI bridge and AHCI cards).
413
	 */
414
	if (pci_get_class(dev) == PCIC_BRIDGE)
415
		return (ENXIO);
416

417
	/* Is this a possible AHCI candidate? */
418
	if (pci_get_class(dev) == PCIC_STORAGE &&
419
	    pci_get_subclass(dev) == PCIS_STORAGE_SATA &&
420
	    pci_get_progif(dev) == PCIP_STORAGE_SATA_AHCI_1_0)
421
		valid = 1;
422
	else if (pci_get_class(dev) == PCIC_STORAGE &&
423
	    pci_get_subclass(dev) == PCIS_STORAGE_RAID)
424
		valid = 2;
425
	/* Is this a known AHCI chip? */
426
	for (i = 0; ahci_ids[i].id != 0; i++) {
427
		if (ahci_ids[i].id == devid &&
428
		    ahci_ids[i].rev <= revid &&
429
		    (valid || (force_ahci == 1 &&
430
		     !(ahci_ids[i].quirks & AHCI_Q_NOFORCE)))) {
431
			/* Do not attach JMicrons with single PCI function. */
432
			if (pci_get_vendor(dev) == 0x197b &&
433
			    (ahci_ids[i].quirks & AHCI_Q_NOFORCE) &&
434
			    (pci_read_config(dev, 0xdf, 1) & 0x40) == 0)
435
				return (ENXIO);
436
			device_set_descf(dev, "%s AHCI SATA controller",
437
			    ahci_ids[i].name);
438
			return (BUS_PROBE_DEFAULT);
439
		}
440
	}
441
	if (valid != 1)
442
		return (ENXIO);
443
	device_set_desc(dev, "AHCI SATA controller");
444
	return (BUS_PROBE_DEFAULT);
445
}
446

447
static int
448
ahci_ata_probe(device_t dev)
449
{
450
	int i;
451
	uint32_t devid = pci_get_devid(dev);
452
	uint8_t revid = pci_get_revid(dev);
453

454
	if ((intptr_t)device_get_ivars(dev) >= 0)
455
		return (ENXIO);
456
	/* Is this a known AHCI chip? */
457
	for (i = 0; ahci_ids[i].id != 0; i++) {
458
		if (ahci_ids[i].id == devid &&
459
		    ahci_ids[i].rev <= revid) {
460
			device_set_descf(dev, "%s AHCI SATA controller",
461
			    ahci_ids[i].name);
462
			return (BUS_PROBE_DEFAULT);
463
		}
464
	}
465
	device_set_desc(dev, "AHCI SATA controller");
466
	return (BUS_PROBE_DEFAULT);
467
}
468

469
static int
470
ahci_pci_read_msix_bars(device_t dev, uint8_t *table_bar, uint8_t *pba_bar)
471
{
472
	int cap_offset = 0, ret;
473
	uint32_t val;
474

475
	if ((table_bar == NULL) || (pba_bar == NULL))
476
		return (EINVAL);
477

478
	ret = pci_find_cap(dev, PCIY_MSIX, &cap_offset);
479
	if (ret != 0)
480
		return (EINVAL);
481

482
	val = pci_read_config(dev, cap_offset + PCIR_MSIX_TABLE, 4);
483
	*table_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK);
484

485
	val = pci_read_config(dev, cap_offset + PCIR_MSIX_PBA, 4);
486
	*pba_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK);
487

488
	return (0);
489
}
490

491
static int
492
ahci_pci_attach(device_t dev)
493
{
494
	struct ahci_controller *ctlr = device_get_softc(dev);
495
	int	error, i;
496
	uint32_t devid = pci_get_devid(dev);
497
	uint8_t revid = pci_get_revid(dev);
498
	int msi_count, msix_count;
499
	uint8_t table_bar = 0, pba_bar = 0;
500
	uint32_t caps, pi;
501

502
	msi_count = pci_msi_count(dev);
503
	msix_count = pci_msix_count(dev);
504

505
	i = 0;
506
	while (ahci_ids[i].id != 0 &&
507
	    (ahci_ids[i].id != devid ||
508
	     ahci_ids[i].rev > revid))
509
		i++;
510
	ctlr->quirks = ahci_ids[i].quirks;
511

512
	if (ctlr->quirks & AHCI_Q_IOMMU_BUSWIDE) {
513
		/*
514
		 * The controller issues DMA requests from PCI function 1,
515
		 * but the device is not multifunction.
516
		 * Ref: https://bugzilla.kernel.org/show_bug.cgi?id=42679
517
		 */
518
		bus_dma_iommu_set_buswide(dev);
519
	}
520

521
	/* Limit speed for my onboard JMicron external port.
522
	 * It is not eSATA really, limit to SATA 1 */
523
	if (pci_get_devid(dev) == 0x2363197b &&
524
	    pci_get_subvendor(dev) == 0x1043 &&
525
	    pci_get_subdevice(dev) == 0x81e4)
526
		ctlr->quirks |= AHCI_Q_SATA1_UNIT0;
527
	resource_int_value(device_get_name(dev), device_get_unit(dev),
528
	    "quirks", &ctlr->quirks);
529
	ctlr->vendorid = pci_get_vendor(dev);
530
	ctlr->deviceid = pci_get_device(dev);
531
	ctlr->subvendorid = pci_get_subvendor(dev);
532
	ctlr->subdeviceid = pci_get_subdevice(dev);
533

534
	/* Default AHCI Base Address is BAR(5), Cavium uses BAR(0) */
535
	if (ctlr->quirks & AHCI_Q_ABAR0)
536
		ctlr->r_rid = PCIR_BAR(0);
537
	else
538
		ctlr->r_rid = PCIR_BAR(5);
539
	if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
540
	    &ctlr->r_rid, RF_ACTIVE)))
541
		return ENXIO;
542

543
	/*
544
	 * Intel RAID hardware can remap NVMe devices inside its BAR.
545
	 * Try to detect this. Either we have to add the device
546
	 * here, or the user has to change the mode in the BIOS
547
	 * from RST to AHCI.
548
	 */
549
	if (pci_get_vendor(dev) == 0x8086) {
550
		uint32_t vscap;
551

552
		vscap = ATA_INL(ctlr->r_mem, AHCI_VSCAP);
553
		if (vscap & 1) {
554
			uint32_t cap = ATA_INL(ctlr->r_mem, 0x800); /* Intel's REMAP CAP */
555
			int i;
556

557
			ctlr->remap_offset = 0x4000;
558
			ctlr->remap_size = 0x4000;
559

560
			/*
561
			 * Check each of the devices that might be remapped to
562
			 * make sure they are an nvme device. At the present,
563
			 * nvme are the only known devices remapped.
564
			 */
565
			for (i = 0; i < 3; i++) {
566
				if (cap & (1 << i) &&
567
				    (ATA_INL(ctlr->r_mem, 0x880 + i * 0x80) ==
568
				     ((PCIC_STORAGE << 16) |
569
				      (PCIS_STORAGE_NVM << 8) |
570
				      PCIP_STORAGE_NVM_ENTERPRISE_NVMHCI_1_0))) {
571
					ctlr->remapped_devices++;
572
				}
573
			}
574

575
			/* If we have any remapped device, disable MSI */
576
			if (ctlr->remapped_devices > 0) {
577
				device_printf(dev, "Detected %d nvme remapped devices\n",
578
				    ctlr->remapped_devices);
579
				ctlr->quirks |= (AHCI_Q_NOMSIX | AHCI_Q_NOMSI);
580
			}
581
		}
582
	}
583

584
	if (ctlr->quirks & AHCI_Q_NOMSIX)
585
		msix_count = 0;
586

587
	/* Read MSI-x BAR IDs if supported */
588
	if (msix_count > 0) {
589
		error = ahci_pci_read_msix_bars(dev, &table_bar, &pba_bar);
590
		if (error == 0) {
591
			ctlr->r_msix_tab_rid = table_bar;
592
			ctlr->r_msix_pba_rid = pba_bar;
593
		} else {
594
			/* Failed to read BARs, disable MSI-x */
595
			msix_count = 0;
596
		}
597
	}
598

599
	/* Allocate resources for MSI-x table and PBA */
600
	if (msix_count > 0) {
601
		/*
602
		 * Allocate new MSI-x table only if not
603
		 * allocated before.
604
		 */
605
		ctlr->r_msix_table = NULL;
606
		if (ctlr->r_msix_tab_rid != ctlr->r_rid) {
607
			/* Separate BAR for MSI-x */
608
			ctlr->r_msix_table = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
609
			    &ctlr->r_msix_tab_rid, RF_ACTIVE);
610
			if (ctlr->r_msix_table == NULL) {
611
				ahci_free_mem(dev);
612
				return (ENXIO);
613
			}
614
		}
615

616
		/*
617
		 * Allocate new PBA table only if not
618
		 * allocated before.
619
		 */
620
		ctlr->r_msix_pba = NULL;
621
		if ((ctlr->r_msix_pba_rid != ctlr->r_msix_tab_rid) &&
622
		    (ctlr->r_msix_pba_rid != ctlr->r_rid)) {
623
			/* Separate BAR for PBA */
624
			ctlr->r_msix_pba = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
625
			    &ctlr->r_msix_pba_rid, RF_ACTIVE);
626
			if (ctlr->r_msix_pba == NULL) {
627
				ahci_free_mem(dev);
628
				return (ENXIO);
629
			}
630
		}
631
	}
632

633
	pci_enable_busmaster(dev);
634
	/* Reset controller */
635
	if ((error = ahci_pci_ctlr_reset(dev)) != 0) {
636
		ahci_free_mem(dev);
637
		return (error);
638
	}
639

640
	/* Setup interrupts. */
641

642
	/* Setup MSI register parameters */
643
	/* Process hints. */
644
	caps = ATA_INL(ctlr->r_mem, AHCI_CAP);
645
	pi = ATA_INL(ctlr->r_mem, AHCI_PI);
646
	if (ctlr->quirks & AHCI_Q_NOMSI)
647
		ctlr->msi = 0;
648
	else if ((ctlr->quirks & AHCI_Q_1MSI) ||
649
	    ((caps & (AHCI_CAP_NPMASK | AHCI_CAP_CCCS)) == 0 && pi == 1))
650
		ctlr->msi = 1;
651
	else
652
		ctlr->msi = 2;
653
	resource_int_value(device_get_name(dev),
654
	    device_get_unit(dev), "msi", &ctlr->msi);
655
	ctlr->numirqs = 1;
656
	if (msi_count == 0 && msix_count == 0)
657
		ctlr->msi = 0;
658
	if (ctlr->msi < 0)
659
		ctlr->msi = 0;
660
	else if (ctlr->msi == 1) {
661
		msi_count = min(1, msi_count);
662
		msix_count = min(1, msix_count);
663
	} else if (ctlr->msi > 1)
664
		ctlr->msi = 2;
665

666
	/* Allocate MSI/MSI-x if needed/present. */
667
	if (ctlr->msi > 0) {
668
		error = ENXIO;
669

670
		/* Try to allocate MSI-x first */
671
		if (msix_count > 0) {
672
			error = pci_alloc_msix(dev, &msix_count);
673
			if (error == 0)
674
				ctlr->numirqs = msix_count;
675
		}
676

677
		/*
678
		 * Try to allocate MSI if msi_count is greater than 0
679
		 * and if MSI-x allocation failed.
680
		 */
681
		if ((error != 0) && (msi_count > 0)) {
682
			error = pci_alloc_msi(dev, &msi_count);
683
			if (error == 0)
684
				ctlr->numirqs = msi_count;
685
		}
686

687
		/* Both MSI and MSI-x allocations failed */
688
		if (error != 0) {
689
			ctlr->msi = 0;
690
			device_printf(dev, "Failed to allocate MSI/MSI-x, "
691
			    "falling back to INTx\n");
692
		}
693
	}
694

695
	error = ahci_attach(dev);
696
	if (error != 0) {
697
		if (ctlr->msi > 0)
698
			pci_release_msi(dev);
699
		ahci_free_mem(dev);
700
	}
701
	return error;
702
}
703

704
static int
705
ahci_pci_detach(device_t dev)
706
{
707

708
	ahci_detach(dev);
709
	pci_release_msi(dev);
710
	return (0);
711
}
712

713
static int
714
ahci_pci_suspend(device_t dev)
715
{
716
	struct ahci_controller *ctlr = device_get_softc(dev);
717

718
	bus_generic_suspend(dev);
719
	/* Disable interupts, so the state change(s) doesn't trigger */
720
	ATA_OUTL(ctlr->r_mem, AHCI_GHC,
721
	     ATA_INL(ctlr->r_mem, AHCI_GHC) & (~AHCI_GHC_IE));
722
	return 0;
723
}
724

725
static int
726
ahci_pci_resume(device_t dev)
727
{
728
	int res;
729

730
	if ((res = ahci_pci_ctlr_reset(dev)) != 0)
731
		return (res);
732
	ahci_ctlr_setup(dev);
733
	return (bus_generic_resume(dev));
734
}
735

736
static device_method_t ahci_methods[] = {
737
	DEVMETHOD(device_probe,     ahci_probe),
738
	DEVMETHOD(device_attach,    ahci_pci_attach),
739
	DEVMETHOD(device_detach,    ahci_pci_detach),
740
	DEVMETHOD(device_suspend,   ahci_pci_suspend),
741
	DEVMETHOD(device_resume,    ahci_pci_resume),
742
	DEVMETHOD(bus_print_child,  ahci_print_child),
743
	DEVMETHOD(bus_alloc_resource,       ahci_alloc_resource),
744
	DEVMETHOD(bus_release_resource,     ahci_release_resource),
745
	DEVMETHOD(bus_setup_intr,   ahci_setup_intr),
746
	DEVMETHOD(bus_teardown_intr,ahci_teardown_intr),
747
	DEVMETHOD(bus_child_location, ahci_child_location),
748
	DEVMETHOD(bus_get_dma_tag,  ahci_get_dma_tag),
749
	DEVMETHOD_END
750
};
751

752
static driver_t ahci_driver = {
753
        "ahci",
754
        ahci_methods,
755
        sizeof(struct ahci_controller)
756
};
757

758
DRIVER_MODULE(ahci, pci, ahci_driver, NULL, NULL);
759
/* Also matches class / subclass / progid XXX need to add when we have masking support */
760
MODULE_PNP_INFO("W32:vendor/device", pci, ahci, ahci_ids,
761
    nitems(ahci_ids) - 1);
762

763
static device_method_t ahci_ata_methods[] = {
764
	DEVMETHOD(device_probe,     ahci_ata_probe),
765
	DEVMETHOD(device_attach,    ahci_pci_attach),
766
	DEVMETHOD(device_detach,    ahci_pci_detach),
767
	DEVMETHOD(device_suspend,   ahci_pci_suspend),
768
	DEVMETHOD(device_resume,    ahci_pci_resume),
769
	DEVMETHOD(bus_print_child,  ahci_print_child),
770
	DEVMETHOD(bus_alloc_resource,       ahci_alloc_resource),
771
	DEVMETHOD(bus_release_resource,     ahci_release_resource),
772
	DEVMETHOD(bus_setup_intr,   ahci_setup_intr),
773
	DEVMETHOD(bus_teardown_intr,ahci_teardown_intr),
774
	DEVMETHOD(bus_child_location, ahci_child_location),
775
	DEVMETHOD_END
776
};
777

778
static driver_t ahci_ata_driver = {
779
        "ahci",
780
        ahci_ata_methods,
781
        sizeof(struct ahci_controller)
782
};
783

784
DRIVER_MODULE(ahci, atapci, ahci_ata_driver, NULL, NULL);
785

786
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