xref: /freebsd/usr.sbin/bhyve/ahci.h (revision db33c6f3ae9d1231087710068ee4ea5398aacca7)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
5  * Copyright (c) 2009-2012 Alexander Motin <mav@FreeBSD.org>
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  *    without modification, immediately at the beginning of the file.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #ifndef _AHCI_H_
31 #define	_AHCI_H_
32 
33 /* ATA register defines */
34 #define	ATA_DATA		0	/* (RW) data */
35 
36 #define	ATA_FEATURE		1	/* (W) feature */
37 #define	ATA_F_DMA		0x01	/* enable DMA */
38 #define	ATA_F_OVL		0x02	/* enable overlap */
39 
40 #define	ATA_COUNT		2	/* (W) sector count */
41 
42 #define	ATA_SECTOR		3	/* (RW) sector # */
43 #define	ATA_CYL_LSB		4	/* (RW) cylinder# LSB */
44 #define	ATA_CYL_MSB		5	/* (RW) cylinder# MSB */
45 #define	ATA_DRIVE		6	/* (W) Sector/Drive/Head */
46 #define	ATA_D_LBA		0x40	/* use LBA addressing */
47 #define	ATA_D_IBM		0xa0	/* 512 byte sectors, ECC */
48 
49 #define	ATA_COMMAND		7	/* (W) command */
50 
51 #define	ATA_ERROR		8	/* (R) error */
52 #define	ATA_E_ILI		0x01	/* illegal length */
53 #define	ATA_E_NM		0x02	/* no media */
54 #define	ATA_E_ABORT		0x04	/* command aborted */
55 #define	ATA_E_MCR		0x08	/* media change request */
56 #define	ATA_E_IDNF		0x10	/* ID not found */
57 #define	ATA_E_MC		0x20	/* media changed */
58 #define	ATA_E_UNC		0x40	/* uncorrectable data */
59 #define	ATA_E_ICRC		0x80	/* UDMA crc error */
60 #define	ATA_E_ATAPI_SENSE_MASK	0xf0	/* ATAPI sense key mask */
61 
62 #define	ATA_IREASON		9	/* (R) interrupt reason */
63 #define	ATA_I_CMD		0x01	/* cmd (1) | data (0) */
64 #define	ATA_I_IN		0x02	/* read (1) | write (0) */
65 #define	ATA_I_RELEASE		0x04	/* released bus (1) */
66 #define	ATA_I_TAGMASK		0xf8	/* tag mask */
67 
68 #define	ATA_STATUS		10	/* (R) status */
69 #define	ATA_ALTSTAT		11	/* (R) alternate status */
70 #define	ATA_S_ERROR		0x01	/* error */
71 #define	ATA_S_INDEX		0x02	/* index */
72 #define	ATA_S_CORR		0x04	/* data corrected */
73 #define	ATA_S_DRQ		0x08	/* data request */
74 #define	ATA_S_DSC		0x10	/* drive seek completed */
75 #define	ATA_S_SERVICE		0x10	/* drive needs service */
76 #define	ATA_S_DWF		0x20	/* drive write fault */
77 #define	ATA_S_DMA		0x20	/* DMA ready */
78 #define	ATA_S_READY		0x40	/* drive ready */
79 #define	ATA_S_BUSY		0x80	/* busy */
80 
81 #define	ATA_CONTROL		12	/* (W) control */
82 #define	ATA_A_IDS		0x02	/* disable interrupts */
83 #define	ATA_A_RESET		0x04	/* RESET controller */
84 #define	ATA_A_4BIT		0x08	/* 4 head bits */
85 #define	ATA_A_HOB		0x80	/* High Order Byte enable */
86 
87 /* SATA register defines */
88 #define	ATA_SSTATUS		13
89 #define	ATA_SS_DET_MASK		0x0000000f
90 #define	ATA_SS_DET_NO_DEVICE	0x00000000
91 #define	ATA_SS_DET_DEV_PRESENT	0x00000001
92 #define	ATA_SS_DET_PHY_ONLINE	0x00000003
93 #define	ATA_SS_DET_PHY_OFFLINE	0x00000004
94 
95 #define	ATA_SS_SPD_MASK		0x000000f0
96 #define	ATA_SS_SPD_NO_SPEED	0x00000000
97 #define	ATA_SS_SPD_GEN1		0x00000010
98 #define	ATA_SS_SPD_GEN2		0x00000020
99 #define	ATA_SS_SPD_GEN3		0x00000030
100 
101 #define	ATA_SS_IPM_MASK		0x00000f00
102 #define	ATA_SS_IPM_NO_DEVICE	0x00000000
103 #define	ATA_SS_IPM_ACTIVE	0x00000100
104 #define	ATA_SS_IPM_PARTIAL	0x00000200
105 #define	ATA_SS_IPM_SLUMBER	0x00000600
106 #define	ATA_SS_IPM_DEVSLEEP	0x00000800
107 
108 #define	ATA_SERROR		14
109 #define	ATA_SE_DATA_CORRECTED	0x00000001
110 #define	ATA_SE_COMM_CORRECTED	0x00000002
111 #define	ATA_SE_DATA_ERR		0x00000100
112 #define	ATA_SE_COMM_ERR		0x00000200
113 #define	ATA_SE_PROT_ERR		0x00000400
114 #define	ATA_SE_HOST_ERR		0x00000800
115 #define	ATA_SE_PHY_CHANGED	0x00010000
116 #define	ATA_SE_PHY_IERROR	0x00020000
117 #define	ATA_SE_COMM_WAKE	0x00040000
118 #define	ATA_SE_DECODE_ERR	0x00080000
119 #define	ATA_SE_PARITY_ERR	0x00100000
120 #define	ATA_SE_CRC_ERR		0x00200000
121 #define	ATA_SE_HANDSHAKE_ERR	0x00400000
122 #define	ATA_SE_LINKSEQ_ERR	0x00800000
123 #define	ATA_SE_TRANSPORT_ERR	0x01000000
124 #define	ATA_SE_UNKNOWN_FIS	0x02000000
125 #define	ATA_SE_EXCHANGED	0x04000000
126 
127 #define	ATA_SCONTROL		15
128 #define	ATA_SC_DET_MASK		0x0000000f
129 #define	ATA_SC_DET_IDLE		0x00000000
130 #define	ATA_SC_DET_RESET	0x00000001
131 #define	ATA_SC_DET_DISABLE	0x00000004
132 
133 #define	ATA_SC_SPD_MASK		0x000000f0
134 #define	ATA_SC_SPD_NO_SPEED	0x00000000
135 #define	ATA_SC_SPD_SPEED_GEN1	0x00000010
136 #define	ATA_SC_SPD_SPEED_GEN2	0x00000020
137 #define	ATA_SC_SPD_SPEED_GEN3	0x00000030
138 
139 #define	ATA_SC_IPM_MASK		0x00000f00
140 #define	ATA_SC_IPM_NONE		0x00000000
141 #define	ATA_SC_IPM_DIS_PARTIAL	0x00000100
142 #define	ATA_SC_IPM_DIS_SLUMBER	0x00000200
143 #define	ATA_SC_IPM_DIS_DEVSLEEP	0x00000400
144 
145 #define	ATA_SACTIVE		16
146 
147 #define	AHCI_MAX_PORTS		32
148 #define	AHCI_MAX_SLOTS		32
149 #define	AHCI_MAX_IRQS		16
150 
151 /* SATA AHCI v1.0 register defines */
152 #define	AHCI_CAP		0x00
153 #define	AHCI_CAP_NPMASK		0x0000001f
154 #define	AHCI_CAP_SXS		0x00000020
155 #define	AHCI_CAP_EMS		0x00000040
156 #define	AHCI_CAP_CCCS		0x00000080
157 #define	AHCI_CAP_NCS		0x00001F00
158 #define	AHCI_CAP_NCS_SHIFT	8
159 #define	AHCI_CAP_PSC		0x00002000
160 #define	AHCI_CAP_SSC		0x00004000
161 #define	AHCI_CAP_PMD		0x00008000
162 #define	AHCI_CAP_FBSS		0x00010000
163 #define	AHCI_CAP_SPM		0x00020000
164 #define	AHCI_CAP_SAM		0x00080000
165 #define	AHCI_CAP_ISS		0x00F00000
166 #define	AHCI_CAP_ISS_SHIFT	20
167 #define	AHCI_CAP_SCLO		0x01000000
168 #define	AHCI_CAP_SAL		0x02000000
169 #define	AHCI_CAP_SALP		0x04000000
170 #define	AHCI_CAP_SSS		0x08000000
171 #define	AHCI_CAP_SMPS		0x10000000
172 #define	AHCI_CAP_SSNTF		0x20000000
173 #define	AHCI_CAP_SNCQ		0x40000000
174 #define	AHCI_CAP_64BIT		0x80000000
175 
176 #define	AHCI_GHC		0x04
177 #define	AHCI_GHC_AE		0x80000000
178 #define	AHCI_GHC_MRSM		0x00000004
179 #define	AHCI_GHC_IE		0x00000002
180 #define	AHCI_GHC_HR		0x00000001
181 
182 #define	AHCI_IS			0x08
183 #define	AHCI_PI			0x0c
184 #define	AHCI_VS			0x10
185 
186 #define	AHCI_CCCC		0x14
187 #define	AHCI_CCCC_TV_MASK	0xffff0000
188 #define	AHCI_CCCC_TV_SHIFT	16
189 #define	AHCI_CCCC_CC_MASK	0x0000ff00
190 #define	AHCI_CCCC_CC_SHIFT	8
191 #define	AHCI_CCCC_INT_MASK	0x000000f8
192 #define	AHCI_CCCC_INT_SHIFT	3
193 #define	AHCI_CCCC_EN		0x00000001
194 #define	AHCI_CCCP		0x18
195 
196 #define	AHCI_EM_LOC		0x1C
197 #define	AHCI_EM_CTL		0x20
198 #define	AHCI_EM_MR		0x00000001
199 #define	AHCI_EM_TM		0x00000100
200 #define	AHCI_EM_RST		0x00000200
201 #define	AHCI_EM_LED		0x00010000
202 #define	AHCI_EM_SAFTE		0x00020000
203 #define	AHCI_EM_SES2		0x00040000
204 #define	AHCI_EM_SGPIO		0x00080000
205 #define	AHCI_EM_SMB		0x01000000
206 #define	AHCI_EM_XMT		0x02000000
207 #define	AHCI_EM_ALHD		0x04000000
208 #define	AHCI_EM_PM		0x08000000
209 
210 #define	AHCI_CAP2		0x24
211 #define	AHCI_CAP2_BOH		0x00000001
212 #define	AHCI_CAP2_NVMP		0x00000002
213 #define	AHCI_CAP2_APST		0x00000004
214 #define	AHCI_CAP2_SDS		0x00000008
215 #define	AHCI_CAP2_SADM		0x00000010
216 #define	AHCI_CAP2_DESO		0x00000020
217 
218 #define	AHCI_OFFSET		0x100
219 #define	AHCI_STEP		0x80
220 
221 #define	AHCI_P_CLB		0x00
222 #define	AHCI_P_CLBU		0x04
223 #define	AHCI_P_FB		0x08
224 #define	AHCI_P_FBU		0x0c
225 #define	AHCI_P_IS		0x10
226 #define	AHCI_P_IE		0x14
227 #define	AHCI_P_IX_DHR		0x00000001
228 #define	AHCI_P_IX_PS		0x00000002
229 #define	AHCI_P_IX_DS		0x00000004
230 #define	AHCI_P_IX_SDB		0x00000008
231 #define	AHCI_P_IX_UF		0x00000010
232 #define	AHCI_P_IX_DP		0x00000020
233 #define	AHCI_P_IX_PC		0x00000040
234 #define	AHCI_P_IX_MP		0x00000080
235 
236 #define	AHCI_P_IX_PRC		0x00400000
237 #define	AHCI_P_IX_IPM		0x00800000
238 #define	AHCI_P_IX_OF		0x01000000
239 #define	AHCI_P_IX_INF		0x04000000
240 #define	AHCI_P_IX_IF		0x08000000
241 #define	AHCI_P_IX_HBD		0x10000000
242 #define	AHCI_P_IX_HBF		0x20000000
243 #define	AHCI_P_IX_TFE		0x40000000
244 #define	AHCI_P_IX_CPD		0x80000000
245 
246 #define	AHCI_P_CMD		0x18
247 #define	AHCI_P_CMD_ST		0x00000001
248 #define	AHCI_P_CMD_SUD		0x00000002
249 #define	AHCI_P_CMD_POD		0x00000004
250 #define	AHCI_P_CMD_CLO		0x00000008
251 #define	AHCI_P_CMD_FRE		0x00000010
252 #define	AHCI_P_CMD_CCS_MASK	0x00001f00
253 #define	AHCI_P_CMD_CCS_SHIFT	8
254 #define	AHCI_P_CMD_ISS		0x00002000
255 #define	AHCI_P_CMD_FR		0x00004000
256 #define	AHCI_P_CMD_CR		0x00008000
257 #define	AHCI_P_CMD_CPS		0x00010000
258 #define	AHCI_P_CMD_PMA		0x00020000
259 #define	AHCI_P_CMD_HPCP		0x00040000
260 #define	AHCI_P_CMD_MPSP		0x00080000
261 #define	AHCI_P_CMD_CPD		0x00100000
262 #define	AHCI_P_CMD_ESP		0x00200000
263 #define	AHCI_P_CMD_FBSCP	0x00400000
264 #define	AHCI_P_CMD_APSTE	0x00800000
265 #define	AHCI_P_CMD_ATAPI	0x01000000
266 #define	AHCI_P_CMD_DLAE		0x02000000
267 #define	AHCI_P_CMD_ALPE		0x04000000
268 #define	AHCI_P_CMD_ASP		0x08000000
269 #define	AHCI_P_CMD_ICC_MASK	0xf0000000
270 #define	AHCI_P_CMD_NOOP		0x00000000
271 #define	AHCI_P_CMD_ACTIVE	0x10000000
272 #define	AHCI_P_CMD_PARTIAL	0x20000000
273 #define	AHCI_P_CMD_SLUMBER	0x60000000
274 #define	AHCI_P_CMD_DEVSLEEP	0x80000000
275 
276 #define	AHCI_P_TFD			0x20
277 #define	AHCI_P_SIG			0x24
278 #define	AHCI_P_SSTS			0x28
279 #define	AHCI_P_SCTL			0x2c
280 #define	AHCI_P_SERR			0x30
281 #define	AHCI_P_SACT			0x34
282 #define	AHCI_P_CI			0x38
283 #define	AHCI_P_SNTF			0x3C
284 #define	AHCI_P_FBS			0x40
285 #define	AHCI_P_FBS_EN			0x00000001
286 #define	AHCI_P_FBS_DEC			0x00000002
287 #define	AHCI_P_FBS_SDE			0x00000004
288 #define	AHCI_P_FBS_DEV			0x00000f00
289 #define	AHCI_P_FBS_DEV_SHIFT		8
290 #define	AHCI_P_FBS_ADO			0x0000f000
291 #define	AHCI_P_FBS_ADO_SHIFT		12
292 #define	AHCI_P_FBS_DWE			0x000f0000
293 #define	AHCI_P_FBS_DWE_SHIFT		16
294 #define	AHCI_P_DEVSLP			0x44
295 #define	AHCI_P_DEVSLP_ADSE		0x00000001
296 #define	AHCI_P_DEVSLP_DSP		0x00000002
297 #define	AHCI_P_DEVSLP_DETO		0x000003fc
298 #define	AHCI_P_DEVSLP_DETO_SHIFT	2
299 #define	AHCI_P_DEVSLP_MDAT		0x00007c00
300 #define	AHCI_P_DEVSLP_MDAT_SHIFT	10
301 #define	AHCI_P_DEVSLP_DITO		0x01ff8000
302 #define	AHCI_P_DEVSLP_DITO_SHIFT	15
303 #define	AHCI_P_DEVSLP_DM		0x0e000000
304 #define	AHCI_P_DEVSLP_DM_SHIFT		25
305 
306 /* Just to be sure, if building as module. */
307 #if MAXPHYS < 512 * 1024
308 #undef MAXPHYS
309 #define	MAXPHYS			512 * 1024
310 #endif
311 /* Pessimistic prognosis on number of required S/G entries */
312 #define	AHCI_SG_ENTRIES	(roundup(btoc(MAXPHYS) + 1, 8))
313 /* Command list. 32 commands. First, 1Kbyte aligned. */
314 #define	AHCI_CL_OFFSET		0
315 #define	AHCI_CL_SIZE		32
316 /* Command tables. Up to 32 commands, Each, 128byte aligned. */
317 #define	AHCI_CT_OFFSET		(AHCI_CL_OFFSET + AHCI_CL_SIZE * AHCI_MAX_SLOTS)
318 #define	AHCI_CT_SIZE		(128 + AHCI_SG_ENTRIES * 16)
319 /* Total main work area. */
320 #define	AHCI_WORK_SIZE		(AHCI_CT_OFFSET + AHCI_CT_SIZE * ch->numslots)
321 
322 #endif /* _AHCI_H_ */
323