xref: /freebsd/usr.sbin/bhyve/ahci.h (revision eb69d1f144a6fcc765d1b9d44a5ae8082353e70b)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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  * $FreeBSD$
30  */
31 
32 #ifndef _AHCI_H_
33 #define	_AHCI_H_
34 
35 /* ATA register defines */
36 #define ATA_DATA                        0       /* (RW) data */
37 
38 #define ATA_FEATURE                     1       /* (W) feature */
39 #define         ATA_F_DMA               0x01    /* enable DMA */
40 #define         ATA_F_OVL               0x02    /* enable overlap */
41 
42 #define ATA_COUNT                       2       /* (W) sector count */
43 
44 #define ATA_SECTOR                      3       /* (RW) sector # */
45 #define ATA_CYL_LSB                     4       /* (RW) cylinder# LSB */
46 #define ATA_CYL_MSB                     5       /* (RW) cylinder# MSB */
47 #define ATA_DRIVE                       6       /* (W) Sector/Drive/Head */
48 #define         ATA_D_LBA               0x40    /* use LBA addressing */
49 #define         ATA_D_IBM               0xa0    /* 512 byte sectors, ECC */
50 
51 #define ATA_COMMAND                     7       /* (W) command */
52 
53 #define ATA_ERROR                       8       /* (R) error */
54 #define         ATA_E_ILI               0x01    /* illegal length */
55 #define         ATA_E_NM                0x02    /* no media */
56 #define         ATA_E_ABORT             0x04    /* command aborted */
57 #define         ATA_E_MCR               0x08    /* media change request */
58 #define         ATA_E_IDNF              0x10    /* ID not found */
59 #define         ATA_E_MC                0x20    /* media changed */
60 #define         ATA_E_UNC               0x40    /* uncorrectable data */
61 #define         ATA_E_ICRC              0x80    /* UDMA crc error */
62 #define		ATA_E_ATAPI_SENSE_MASK	0xf0	/* ATAPI sense key mask */
63 
64 #define ATA_IREASON                     9       /* (R) interrupt reason */
65 #define         ATA_I_CMD               0x01    /* cmd (1) | data (0) */
66 #define         ATA_I_IN                0x02    /* read (1) | write (0) */
67 #define         ATA_I_RELEASE           0x04    /* released bus (1) */
68 #define         ATA_I_TAGMASK           0xf8    /* tag mask */
69 
70 #define ATA_STATUS                      10      /* (R) status */
71 #define ATA_ALTSTAT                     11      /* (R) alternate status */
72 #define         ATA_S_ERROR             0x01    /* error */
73 #define         ATA_S_INDEX             0x02    /* index */
74 #define         ATA_S_CORR              0x04    /* data corrected */
75 #define         ATA_S_DRQ               0x08    /* data request */
76 #define         ATA_S_DSC               0x10    /* drive seek completed */
77 #define         ATA_S_SERVICE           0x10    /* drive needs service */
78 #define         ATA_S_DWF               0x20    /* drive write fault */
79 #define         ATA_S_DMA               0x20    /* DMA ready */
80 #define         ATA_S_READY             0x40    /* drive ready */
81 #define         ATA_S_BUSY              0x80    /* busy */
82 
83 #define ATA_CONTROL                     12      /* (W) control */
84 #define         ATA_A_IDS               0x02    /* disable interrupts */
85 #define         ATA_A_RESET             0x04    /* RESET controller */
86 #define         ATA_A_4BIT              0x08    /* 4 head bits */
87 #define         ATA_A_HOB               0x80    /* High Order Byte enable */
88 
89 /* SATA register defines */
90 #define ATA_SSTATUS                     13
91 #define         ATA_SS_DET_MASK         0x0000000f
92 #define         ATA_SS_DET_NO_DEVICE    0x00000000
93 #define         ATA_SS_DET_DEV_PRESENT  0x00000001
94 #define         ATA_SS_DET_PHY_ONLINE   0x00000003
95 #define         ATA_SS_DET_PHY_OFFLINE  0x00000004
96 
97 #define         ATA_SS_SPD_MASK         0x000000f0
98 #define         ATA_SS_SPD_NO_SPEED     0x00000000
99 #define         ATA_SS_SPD_GEN1         0x00000010
100 #define         ATA_SS_SPD_GEN2         0x00000020
101 #define         ATA_SS_SPD_GEN3         0x00000030
102 
103 #define         ATA_SS_IPM_MASK         0x00000f00
104 #define         ATA_SS_IPM_NO_DEVICE    0x00000000
105 #define         ATA_SS_IPM_ACTIVE       0x00000100
106 #define         ATA_SS_IPM_PARTIAL      0x00000200
107 #define         ATA_SS_IPM_SLUMBER      0x00000600
108 #define         ATA_SS_IPM_DEVSLEEP     0x00000800
109 
110 #define ATA_SERROR                      14
111 #define         ATA_SE_DATA_CORRECTED   0x00000001
112 #define         ATA_SE_COMM_CORRECTED   0x00000002
113 #define         ATA_SE_DATA_ERR         0x00000100
114 #define         ATA_SE_COMM_ERR         0x00000200
115 #define         ATA_SE_PROT_ERR         0x00000400
116 #define         ATA_SE_HOST_ERR         0x00000800
117 #define         ATA_SE_PHY_CHANGED      0x00010000
118 #define         ATA_SE_PHY_IERROR       0x00020000
119 #define         ATA_SE_COMM_WAKE        0x00040000
120 #define         ATA_SE_DECODE_ERR       0x00080000
121 #define         ATA_SE_PARITY_ERR       0x00100000
122 #define         ATA_SE_CRC_ERR          0x00200000
123 #define         ATA_SE_HANDSHAKE_ERR    0x00400000
124 #define         ATA_SE_LINKSEQ_ERR      0x00800000
125 #define         ATA_SE_TRANSPORT_ERR    0x01000000
126 #define         ATA_SE_UNKNOWN_FIS      0x02000000
127 #define         ATA_SE_EXCHANGED        0x04000000
128 
129 #define ATA_SCONTROL                    15
130 #define         ATA_SC_DET_MASK         0x0000000f
131 #define         ATA_SC_DET_IDLE         0x00000000
132 #define         ATA_SC_DET_RESET        0x00000001
133 #define         ATA_SC_DET_DISABLE      0x00000004
134 
135 #define         ATA_SC_SPD_MASK         0x000000f0
136 #define         ATA_SC_SPD_NO_SPEED     0x00000000
137 #define         ATA_SC_SPD_SPEED_GEN1   0x00000010
138 #define         ATA_SC_SPD_SPEED_GEN2   0x00000020
139 #define         ATA_SC_SPD_SPEED_GEN3   0x00000030
140 
141 #define         ATA_SC_IPM_MASK         0x00000f00
142 #define         ATA_SC_IPM_NONE         0x00000000
143 #define         ATA_SC_IPM_DIS_PARTIAL  0x00000100
144 #define         ATA_SC_IPM_DIS_SLUMBER  0x00000200
145 #define         ATA_SC_IPM_DIS_DEVSLEEP 0x00000400
146 
147 #define ATA_SACTIVE                     16
148 
149 #define AHCI_MAX_PORTS			32
150 #define AHCI_MAX_SLOTS			32
151 #define AHCI_MAX_IRQS			16
152 
153 /* SATA AHCI v1.0 register defines */
154 #define AHCI_CAP                    0x00
155 #define		AHCI_CAP_NPMASK	0x0000001f
156 #define		AHCI_CAP_SXS	0x00000020
157 #define		AHCI_CAP_EMS	0x00000040
158 #define		AHCI_CAP_CCCS	0x00000080
159 #define		AHCI_CAP_NCS	0x00001F00
160 #define		AHCI_CAP_NCS_SHIFT	8
161 #define		AHCI_CAP_PSC	0x00002000
162 #define		AHCI_CAP_SSC	0x00004000
163 #define		AHCI_CAP_PMD	0x00008000
164 #define		AHCI_CAP_FBSS	0x00010000
165 #define		AHCI_CAP_SPM	0x00020000
166 #define		AHCI_CAP_SAM	0x00080000
167 #define		AHCI_CAP_ISS	0x00F00000
168 #define		AHCI_CAP_ISS_SHIFT	20
169 #define		AHCI_CAP_SCLO	0x01000000
170 #define		AHCI_CAP_SAL	0x02000000
171 #define		AHCI_CAP_SALP	0x04000000
172 #define		AHCI_CAP_SSS	0x08000000
173 #define		AHCI_CAP_SMPS	0x10000000
174 #define		AHCI_CAP_SSNTF	0x20000000
175 #define		AHCI_CAP_SNCQ	0x40000000
176 #define		AHCI_CAP_64BIT	0x80000000
177 
178 #define AHCI_GHC                    0x04
179 #define         AHCI_GHC_AE         0x80000000
180 #define         AHCI_GHC_MRSM       0x00000004
181 #define         AHCI_GHC_IE         0x00000002
182 #define         AHCI_GHC_HR         0x00000001
183 
184 #define AHCI_IS                     0x08
185 #define AHCI_PI                     0x0c
186 #define AHCI_VS                     0x10
187 
188 #define AHCI_CCCC                   0x14
189 #define		AHCI_CCCC_TV_MASK	0xffff0000
190 #define		AHCI_CCCC_TV_SHIFT	16
191 #define		AHCI_CCCC_CC_MASK	0x0000ff00
192 #define		AHCI_CCCC_CC_SHIFT	8
193 #define		AHCI_CCCC_INT_MASK	0x000000f8
194 #define		AHCI_CCCC_INT_SHIFT	3
195 #define		AHCI_CCCC_EN		0x00000001
196 #define AHCI_CCCP                   0x18
197 
198 #define AHCI_EM_LOC                 0x1C
199 #define AHCI_EM_CTL                 0x20
200 #define 	AHCI_EM_MR              0x00000001
201 #define 	AHCI_EM_TM              0x00000100
202 #define 	AHCI_EM_RST             0x00000200
203 #define 	AHCI_EM_LED             0x00010000
204 #define 	AHCI_EM_SAFTE           0x00020000
205 #define 	AHCI_EM_SES2            0x00040000
206 #define 	AHCI_EM_SGPIO           0x00080000
207 #define 	AHCI_EM_SMB             0x01000000
208 #define 	AHCI_EM_XMT             0x02000000
209 #define 	AHCI_EM_ALHD            0x04000000
210 #define 	AHCI_EM_PM              0x08000000
211 
212 #define AHCI_CAP2                   0x24
213 #define		AHCI_CAP2_BOH	0x00000001
214 #define		AHCI_CAP2_NVMP	0x00000002
215 #define		AHCI_CAP2_APST	0x00000004
216 #define		AHCI_CAP2_SDS	0x00000008
217 #define		AHCI_CAP2_SADM	0x00000010
218 #define		AHCI_CAP2_DESO	0x00000020
219 
220 #define AHCI_OFFSET                 0x100
221 #define AHCI_STEP                   0x80
222 
223 #define AHCI_P_CLB                  0x00
224 #define AHCI_P_CLBU                 0x04
225 #define AHCI_P_FB                   0x08
226 #define AHCI_P_FBU                  0x0c
227 #define AHCI_P_IS                   0x10
228 #define AHCI_P_IE                   0x14
229 #define         AHCI_P_IX_DHR       0x00000001
230 #define         AHCI_P_IX_PS        0x00000002
231 #define         AHCI_P_IX_DS        0x00000004
232 #define         AHCI_P_IX_SDB       0x00000008
233 #define         AHCI_P_IX_UF        0x00000010
234 #define         AHCI_P_IX_DP        0x00000020
235 #define         AHCI_P_IX_PC        0x00000040
236 #define         AHCI_P_IX_MP        0x00000080
237 
238 #define         AHCI_P_IX_PRC       0x00400000
239 #define         AHCI_P_IX_IPM       0x00800000
240 #define         AHCI_P_IX_OF        0x01000000
241 #define         AHCI_P_IX_INF       0x04000000
242 #define         AHCI_P_IX_IF        0x08000000
243 #define         AHCI_P_IX_HBD       0x10000000
244 #define         AHCI_P_IX_HBF       0x20000000
245 #define         AHCI_P_IX_TFE       0x40000000
246 #define         AHCI_P_IX_CPD       0x80000000
247 
248 #define AHCI_P_CMD                  0x18
249 #define         AHCI_P_CMD_ST       0x00000001
250 #define         AHCI_P_CMD_SUD      0x00000002
251 #define         AHCI_P_CMD_POD      0x00000004
252 #define         AHCI_P_CMD_CLO      0x00000008
253 #define         AHCI_P_CMD_FRE      0x00000010
254 #define         AHCI_P_CMD_CCS_MASK 0x00001f00
255 #define         AHCI_P_CMD_CCS_SHIFT 8
256 #define         AHCI_P_CMD_ISS      0x00002000
257 #define         AHCI_P_CMD_FR       0x00004000
258 #define         AHCI_P_CMD_CR       0x00008000
259 #define         AHCI_P_CMD_CPS      0x00010000
260 #define         AHCI_P_CMD_PMA      0x00020000
261 #define         AHCI_P_CMD_HPCP     0x00040000
262 #define         AHCI_P_CMD_MPSP     0x00080000
263 #define         AHCI_P_CMD_CPD      0x00100000
264 #define         AHCI_P_CMD_ESP      0x00200000
265 #define         AHCI_P_CMD_FBSCP    0x00400000
266 #define         AHCI_P_CMD_APSTE    0x00800000
267 #define         AHCI_P_CMD_ATAPI    0x01000000
268 #define         AHCI_P_CMD_DLAE     0x02000000
269 #define         AHCI_P_CMD_ALPE     0x04000000
270 #define         AHCI_P_CMD_ASP      0x08000000
271 #define         AHCI_P_CMD_ICC_MASK 0xf0000000
272 #define         AHCI_P_CMD_NOOP     0x00000000
273 #define         AHCI_P_CMD_ACTIVE   0x10000000
274 #define         AHCI_P_CMD_PARTIAL  0x20000000
275 #define         AHCI_P_CMD_SLUMBER  0x60000000
276 #define         AHCI_P_CMD_DEVSLEEP 0x80000000
277 
278 #define AHCI_P_TFD                  0x20
279 #define AHCI_P_SIG                  0x24
280 #define AHCI_P_SSTS                 0x28
281 #define AHCI_P_SCTL                 0x2c
282 #define AHCI_P_SERR                 0x30
283 #define AHCI_P_SACT                 0x34
284 #define AHCI_P_CI                   0x38
285 #define AHCI_P_SNTF                 0x3C
286 #define AHCI_P_FBS                  0x40
287 #define 	AHCI_P_FBS_EN       0x00000001
288 #define 	AHCI_P_FBS_DEC      0x00000002
289 #define 	AHCI_P_FBS_SDE      0x00000004
290 #define 	AHCI_P_FBS_DEV      0x00000f00
291 #define 	AHCI_P_FBS_DEV_SHIFT 8
292 #define 	AHCI_P_FBS_ADO      0x0000f000
293 #define 	AHCI_P_FBS_ADO_SHIFT 12
294 #define 	AHCI_P_FBS_DWE      0x000f0000
295 #define 	AHCI_P_FBS_DWE_SHIFT 16
296 #define AHCI_P_DEVSLP               0x44
297 #define 	AHCI_P_DEVSLP_ADSE  0x00000001
298 #define 	AHCI_P_DEVSLP_DSP   0x00000002
299 #define 	AHCI_P_DEVSLP_DETO  0x000003fc
300 #define 	AHCI_P_DEVSLP_DETO_SHIFT 2
301 #define 	AHCI_P_DEVSLP_MDAT  0x00007c00
302 #define 	AHCI_P_DEVSLP_MDAT_SHIFT 10
303 #define 	AHCI_P_DEVSLP_DITO  0x01ff8000
304 #define 	AHCI_P_DEVSLP_DITO_SHIFT 15
305 #define 	AHCI_P_DEVSLP_DM    0x0e000000
306 #define 	AHCI_P_DEVSLP_DM_SHIFT 25
307 
308 /* Just to be sure, if building as module. */
309 #if MAXPHYS < 512 * 1024
310 #undef MAXPHYS
311 #define MAXPHYS				512 * 1024
312 #endif
313 /* Pessimistic prognosis on number of required S/G entries */
314 #define AHCI_SG_ENTRIES	(roundup(btoc(MAXPHYS) + 1, 8))
315 /* Command list. 32 commands. First, 1Kbyte aligned. */
316 #define AHCI_CL_OFFSET              0
317 #define AHCI_CL_SIZE                32
318 /* Command tables. Up to 32 commands, Each, 128byte aligned. */
319 #define AHCI_CT_OFFSET              (AHCI_CL_OFFSET + AHCI_CL_SIZE * AHCI_MAX_SLOTS)
320 #define AHCI_CT_SIZE                (128 + AHCI_SG_ENTRIES * 16)
321 /* Total main work area. */
322 #define AHCI_WORK_SIZE              (AHCI_CT_OFFSET + AHCI_CT_SIZE * ch->numslots)
323 
324 #endif /* _AHCI_H_ */
325