xref: /illumos-gate/usr/src/uts/common/sys/sata/adapters/ahci/ahcireg.h (revision 2983dda76a6d296fdb560c88114fe41caad1b84f)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 
28 #ifndef _AHCIREG_H
29 #define	_AHCIREG_H
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 #define	AHCI_MAX_PORTS		32
36 #define	AHCI_PORT_MAX_CMD_SLOTS	32
37 
38 #define	VIA_VENID		0x1106
39 
40 /*
41  * In AHCI spec, command table contains a list of 0 (no data transfer)
42  * to up to 65,535 scatter/gather entries for the data transfer.
43  */
44 #define	AHCI_MAX_PRDT_NUMBER	65535
45 #define	AHCI_MIN_PRDT_NUMBER	1
46 
47 /*
48  * The default value of s/g entrie is 257, at least 1MB (4KB/pg * 256) + 1
49  * if misaligned, and it's tuable by setting ahci_dma_prdt_number in
50  * /etc/system file.
51  */
52 #define	AHCI_PRDT_NUMBER	257
53 
54 /* PCI header offset for AHCI Base Address */
55 #define	AHCI_PCI_RNUM		0x24
56 
57 /* various global HBA capability bits */
58 #define	AHCI_HBA_CAP_NP		(0x1f << 0) /* number of ports */
59 #define	AHCI_HBA_CAP_SXS	(0x1 << 5) /* external SATA */
60 #define	AHCI_HBA_CAP_EMS	(0x1 << 6) /* enclosure management */
61 #define	AHCI_HBA_CAP_CCCS	(0x1 << 7) /* command completed coalescing */
62 #define	AHCI_HBA_CAP_NCS	(0x1f << 8) /* number of command slots */
63 #define	AHCI_HBA_CAP_PSC	(0x1 << 13) /* partial state capable */
64 #define	AHCI_HBA_CAP_SSC	(0x1 << 14) /* slumber state capable */
65 #define	AHCI_HBA_CAP_PMD	(0x1 << 15) /* PIO multiple DRQ block */
66 #define	AHCI_HBA_CAP_FBSS	(0x1 << 16) /* FIS-based switching */
67 #define	AHCI_HBA_CAP_SPM	(0x1 << 17) /* port multiplier */
68 #define	AHCI_HBA_CAP_SAM	(0x1 << 18) /* AHCI mode only */
69 #define	AHCI_HBA_CAP_SNZO	(0x1 << 19) /* non-zero DMA offsets */
70 #define	AHCI_HBA_CAP_ISS	(0xf << 20) /* interface speed support */
71 #define	AHCI_HBA_CAP_SCLO	(0x1 << 24) /* command list override */
72 #define	AHCI_HBA_CAP_SAL	(0x1 << 25) /* activity LED */
73 #define	AHCI_HBA_CAP_SALP	(0x1 << 26) /* aggressive link power mgmt */
74 #define	AHCI_HBA_CAP_SSS	(0x1 << 27) /* staggered  spin-up */
75 #define	AHCI_HBA_CAP_SMPS	(0x1 << 28) /* mechanical presence switch */
76 #define	AHCI_HBA_CAP_SSNTF	(0x1 << 29) /* Snotification register */
77 #define	AHCI_HBA_CAP_SNCQ	(0x1 << 30) /* Native Command Queuing */
78 #define	AHCI_HBA_CAP_S64A	((uint32_t)0x1 << 31) /* 64-bit addressing */
79 #define	AHCI_HBA_CAP_NCS_SHIFT	8  /* Number of command slots */
80 #define	AHCI_HBA_CAP_ISS_SHIFT	20 /* Interface speed support */
81 
82 /* various global HBA control bits */
83 #define	AHCI_HBA_GHC_HR		(0x1 << 0) /* HBA Reset */
84 #define	AHCI_HBA_GHC_IE		(0x1 << 1) /* Interrupt Enable */
85 #define	AHCI_HBA_GHC_MRSM	(0x1 << 2) /* MSI Revert to Single Message */
86 #define	AHCI_HBA_GHC_AE		((uint32_t)0x1 << 31) /* AHCI Enable */
87 
88 /* various global HBA Command Completion Coalescing (CCC) control bits */
89 #define	AHCI_HBA_CCC_CTL_EN		0x00000001  /* Enable */
90 #define	AHCI_HBA_CCC_CTL_INT_MASK	(0x1f << 3) /* Interrupt */
91 #define	AHCI_HBA_CCC_CTL_CC_MASK	0x0000ff00  /* Command Completions */
92 #define	AHCI_HBA_CCC_CTL_TV_MASK	0xffff0000  /* Timeout Value */
93 #define	AHCI_HBA_CCC_CTL_INT_SHIFT	3
94 #define	AHCI_HBA_CCC_CTL_CC_SHIFT	8
95 #define	AHCI_HBA_CCC_CTL_TV_SHIFT	16
96 
97 /* global HBA Enclosure Management Location (EM_LOC) */
98 #define	AHCI_HBA_EM_LOC_SZ_MASK		0x0000ffff /* Buffer Size */
99 #define	AHCI_HBA_EM_LOC_OFST_MASK	0xffff0000 /* Offset */
100 #define	AHCI_HBA_EM_LOC_OFST_SHIFT	16
101 
102 /* global HBA Enclosure Management Control (EM_CTL) bits */
103 #define	AHCI_HBA_EM_CTL_STS_MR		(0x1 << 0) /* Message Received */
104 #define	AHCI_HBA_EM_CTL_CTL_TM		(0x1 << 8) /* Transmit Message */
105 #define	AHCI_HBA_EM_CTL_CTL_RST		(0x1 << 9) /* Reset */
106 #define	AHCI_HBA_EM_CTL_SUPP_LED	(0x1 << 16) /* LED Message Types */
107 #define	AHCI_HBA_EM_CTL_SUPP_SAFTE	(0x1 << 17) /* SAF-TE EM Messages */
108 #define	AHCI_HBA_EM_CTL_SUPP_SES2	(0x1 << 18) /* SES-2 EM Messages */
109 #define	AHCI_HBA_EM_CTL_SUPP_SGPIO	(0x1 << 19) /* SGPIO EM Messages */
110 #define	AHCI_HBA_EM_CTL_ATTR_SMB	(0x1 << 24) /* Single Message Buffer */
111 #define	AHCI_HBA_EM_CTL_ATTR_XMT	(0x1 << 25) /* Transmit Only */
112 #define	AHCI_HBA_EM_CTL_ATTR_ALHD	(0x1 << 26) /* Activity LED HW Driven */
113 #define	AHCI_HBA_EM_CTL_ATTR_PM		(0x1 << 27) /* PM Support */
114 
115 
116 /* global HBA registers definitions */
117 #define	AHCI_GLOBAL_OFFSET(ahci_ctlp)	(ahci_ctlp->ahcictl_ahci_addr)
118 	/* HBA Capabilities */
119 #define	AHCI_GLOBAL_CAP(ahci_ctlp)	(AHCI_GLOBAL_OFFSET(ahci_ctlp) + 0x00)
120 	/* Global HBA Control */
121 #define	AHCI_GLOBAL_GHC(ahci_ctlp)	(AHCI_GLOBAL_OFFSET(ahci_ctlp) + 0x04)
122 	/* Interrupt Status Register */
123 #define	AHCI_GLOBAL_IS(ahci_ctlp)	(AHCI_GLOBAL_OFFSET(ahci_ctlp) + 0x08)
124 	/* Ports Implemented */
125 #define	AHCI_GLOBAL_PI(ahci_ctlp)	(AHCI_GLOBAL_OFFSET(ahci_ctlp) + 0x0c)
126 	/* AHCI Version */
127 #define	AHCI_GLOBAL_VS(ahci_ctlp)	(AHCI_GLOBAL_OFFSET(ahci_ctlp) + 0x10)
128 	/* Command Completion Coalescing Control */
129 #define	AHCI_GLOBAL_CCC_CTL(ahci_ctlp)	(AHCI_GLOBAL_OFFSET(ahci_ctlp) + 0x14)
130 	/* Command Completion Coalescing Ports */
131 #define	AHCI_GLOBAL_CCC_PORTS(ahci_ctlp)	\
132 					(AHCI_GLOBAL_OFFSET(ahci_ctlp) + 0x18)
133 	/* Enclosure Management Location */
134 #define	AHCI_GLOBAL_EM_LOC(ahci_ctlp)	(AHCI_GLOBAL_OFFSET(ahci_ctlp) + 0x1c)
135 	/* Enclosure Management Control */
136 #define	AHCI_GLOBAL_EM_CTL(ahci_ctlp)	(AHCI_GLOBAL_OFFSET(ahci_ctlp) + 0x20)
137 
138 #define	AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)	\
139 	((0x1 << port) & ahci_ctlp->ahcictl_ports_implemented)
140 
141 /* various port interrupt bits */
142 	/* Device to Host Register FIS Interrupt */
143 #define	AHCI_INTR_STATUS_DHRS (0x1 << 0)
144 	/* PIO Setup FIS Interrupt */
145 #define	AHCI_INTR_STATUS_PSS			(0x1 << 1)
146 	/* DMA Setup FIS Interrupt */
147 #define	AHCI_INTR_STATUS_DSS			(0x1 << 2)
148 	/* Set Device Bits Interrupt */
149 #define	AHCI_INTR_STATUS_SDBS			(0x1 << 3)
150 	/* Unknown FIS Interrupt */
151 #define	AHCI_INTR_STATUS_UFS			(0x1 << 4)
152 	/* Descriptor Processed */
153 #define	AHCI_INTR_STATUS_DPS			(0x1 << 5)
154 	/* Port Connect Change Status */
155 #define	AHCI_INTR_STATUS_PCS			(0x1 << 6)
156 	/* Device Mechanical Presence Status */
157 #define	AHCI_INTR_STATUS_DMPS			(0x1 << 7)
158 	/* PhyRdy Change Status */
159 #define	AHCI_INTR_STATUS_PRCS			(0x1 << 22)
160 	/* Incorrect Port Multiplier Status */
161 #define	AHCI_INTR_STATUS_IPMS			(0x1 << 23)
162 	/* Overflow Status */
163 #define	AHCI_INTR_STATUS_OFS			(0x1 << 24)
164 	/* Interface Non-fatal Error Status */
165 #define	AHCI_INTR_STATUS_INFS			(0x1 << 26)
166 	/* Interface Fatal Error Status */
167 #define	AHCI_INTR_STATUS_IFS			(0x1 << 27)
168 	/* Host Bus Data Error Status */
169 #define	AHCI_INTR_STATUS_HBDS			(0x1 << 28)
170 	/* Host Bus Fatal Error Status */
171 #define	AHCI_INTR_STATUS_HBFS			(0x1 << 29)
172 	/* Task File Error Status */
173 #define	AHCI_INTR_STATUS_TFES			(0x1 << 30)
174 	/* Cold Port Detect Status */
175 #define	AHCI_INTR_STATUS_CPDS			((uint32_t)0x1 << 31)
176 #define	AHCI_PORT_INTR_MASK			0xfec000ff
177 
178 /* port command and status bits */
179 #define	AHCI_CMD_STATUS_ST	(0x1 << 0) /* Start */
180 #define	AHCI_CMD_STATUS_SUD	(0x1 << 1) /* Spin-up device */
181 #define	AHCI_CMD_STATUS_POD	(0x1 << 2) /* Power on device */
182 #define	AHCI_CMD_STATUS_CLO	(0x1 << 3) /* Command list override */
183 #define	AHCI_CMD_STATUS_FRE	(0x1 << 4) /* FIS receive enable */
184 #define	AHCI_CMD_STATUS_CCS	(0x1f << 8) /* Current command slot */
185 			/* Mechanical presence switch state */
186 #define	AHCI_CMD_STATUS_MPSS	(0x1 << 13)
187 #define	AHCI_CMD_STATUS_FR	(0x1 << 14) /* FIS receiving running */
188 #define	AHCI_CMD_STATUS_CR	(0x1 << 15) /* Command list running */
189 #define	AHCI_CMD_STATUS_CPS	(0x1 << 16) /* Cold presence state */
190 #define	AHCI_CMD_STATUS_PMA	(0x1 << 17) /* Port multiplier attached */
191 #define	AHCI_CMD_STATUS_HPCP	(0x1 << 18) /* Hot plug capable port */
192 			/* Mechanical presence switch attached to port */
193 #define	AHCI_CMD_STATUS_MPSP	(0x1 << 19)
194 #define	AHCI_CMD_STATUS_CPD	(0x1 << 20) /* Cold presence detection */
195 #define	AHCI_CMD_STATUS_ESP	(0x1 << 21) /* External SATA port */
196 #define	AHCI_CMD_STATUS_ATAPI	(0x1 << 24) /* Device is ATAPI */
197 #define	AHCI_CMD_STATUS_DLAE	(0x1 << 25) /* Drive LED on ATAPI enable */
198 			/* Aggressive link power magament enable */
199 #define	AHCI_CMD_STATUS_ALPE	(0x1 << 26)
200 #define	AHCI_CMD_STATUS_ASP	(0x1 << 27) /* Aggressive slumber/partial */
201 			/* Interface communication control */
202 #define	AHCI_CMD_STATUS_ICC	(0xf << 28)
203 #define	AHCI_CMD_STATUS_CCS_SHIFT	8
204 #define	AHCI_CMD_STATUS_ICC_SHIFT	28
205 
206 /* port task file data bits */
207 #define	AHCI_TFD_STS_MASK	0x000000ff
208 #define	AHCI_TFD_ERR_MASK	0x0000ff00
209 #define	AHCI_TFD_STS_BSY	(0x1 << 7)
210 #define	AHCI_TFD_STS_DRQ	(0x1 << 3)
211 #define	AHCI_TFD_STS_ERR	(0x1 << 0)
212 #define	AHCI_TFD_ERR_SHIFT	8
213 #define	AHCI_TFD_ERR_SGS	(0x1 << 0) /* DDR1: Send_good_status */
214 
215 /* FIS-Based Switching Control Register */
216 #define	AHCI_FBS_SWE_MASK	(0xf << 16)	/* Device With Error */
217 #define	AHCI_FBS_ADO_MASK	(0xf << 12)	/* Active Device Optimization */
218 #define	AHCI_FBS_DEV_MASK	(0xf << 8)	/* Device To Issue */
219 #define	AHCI_FBS_SDE		(0x1 << 2)	/* Single Device Error */
220 #define	AHCI_FBS_DEC		(0x1 << 1)	/* Device Error Clear */
221 #define	AHCI_FBS_EN		(0x1 << 0)	/* Enable */
222 
223 /* Sxxx Registers */
224 #define	AHCI_SERROR_CLEAR_ALL			0xffffffff
225 #define	AHCI_SNOTIF_CLEAR_ALL			0xffffffff
226 
227 /* per port registers offset */
228 #define	AHCI_PORT_OFFSET(ahci_ctlp, port)			\
229 		(ahci_ctlp->ahcictl_ahci_addr + (0x100 + (port * 0x80)))
230 	/* Command List Base Address */
231 #define	AHCI_PORT_PxCLB(ahci_ctlp, port)			\
232 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x00)
233 	/* Command List Base Address Upper 32-Bits */
234 #define	AHCI_PORT_PxCLBU(ahci_ctlp, port)			\
235 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x04)
236 	/* FIS Base Address */
237 #define	AHCI_PORT_PxFB(ahci_ctlp, port)				\
238 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x08)
239 	/* FIS Base Address Upper 32-Bits */
240 #define	AHCI_PORT_PxFBU(ahci_ctlp, port)			\
241 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x0c)
242 	/* Interrupt Status */
243 #define	AHCI_PORT_PxIS(ahci_ctlp, port)				\
244 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x10)
245 	/* Interrupt Enable */
246 #define	AHCI_PORT_PxIE(ahci_ctlp, port)				\
247 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x14)
248 	/* Command and Status */
249 #define	AHCI_PORT_PxCMD(ahci_ctlp, port)			\
250 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x18)
251 	/* Task File Data */
252 #define	AHCI_PORT_PxTFD(ahci_ctlp, port)			\
253 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x20)
254 	/* Signature */
255 #define	AHCI_PORT_PxSIG(ahci_ctlp, port)			\
256 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x24)
257 	/* Serial ATA Status (SCR0:SStatus) */
258 #define	AHCI_PORT_PxSSTS(ahci_ctlp, port)			\
259 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x28)
260 	/* Serial ATA Control (SCR2:SControl) */
261 #define	AHCI_PORT_PxSCTL(ahci_ctlp, port)			\
262 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x2c)
263 	/* Serial ATA Error (SCR1:SError) */
264 #define	AHCI_PORT_PxSERR(ahci_ctlp, port)			\
265 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x30)
266 	/* Serial ATA Active (SCR3:SActive) */
267 #define	AHCI_PORT_PxSACT(ahci_ctlp, port)			\
268 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x34)
269 	/* Command Issue */
270 #define	AHCI_PORT_PxCI(ahci_ctlp, port)				\
271 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x38)
272 	/* SNotification */
273 #define	AHCI_PORT_PxSNTF(ahci_ctlp, port)			\
274 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x3c)
275 	/* FIS-Based Switching Control */
276 #define	AHCI_PORT_PxFBS(ahci_ctlp, port)			\
277 			(AHCI_PORT_OFFSET(ahci_ctlp, port) + 0x40)
278 
279 #define	AHCI_SLOT_MASK(ahci_ctlp)				\
280 	((ahci_ctlp->ahcictl_num_cmd_slots == AHCI_PORT_MAX_CMD_SLOTS) ? \
281 	0xffffffff : ((0x1 << ahci_ctlp->ahcictl_num_cmd_slots) - 1))
282 #define	AHCI_NCQ_SLOT_MASK(ahci_portp)				\
283 	((ahci_portp->ahciport_max_ncq_tags == AHCI_PORT_MAX_CMD_SLOTS) ? \
284 	0xffffffff : ((0x1 << ahci_portp->ahciport_max_ncq_tags) - 1))
285 #define	AHCI_PMPORT_MASK(ahci_portp)				\
286 	((0x1 << ahci_portp->ahciport_pmult_info->ahcipmi_num_dev_ports) - 1)
287 
288 /* Device signatures */
289 #define	AHCI_SIGNATURE_PORT_MULTIPLIER	0x96690101
290 #define	AHCI_SIGNATURE_ATAPI		0xeb140101
291 #define	AHCI_SIGNATURE_DISK		0x00000101
292 
293 #define	AHCI_H2D_REGISTER_FIS_TYPE	0x27
294 #define	AHCI_H2D_REGISTER_FIS_LENGTH	5
295 
296 #define	AHCI_CMDHEAD_ATAPI	0x1 /* set to 1 for ATAPI command */
297 #define	AHCI_CMDHEAD_DATA_WRITE	0x1 /* From system memory to device */
298 #define	AHCI_CMDHEAD_DATA_READ	0x0 /* From device to system memory */
299 #define	AHCI_CMDHEAD_PREFETCHABLE	0x1 /* if set, HBA prefetch PRDs */
300 
301 /* Register - Host to Device FIS (from SATA spec) */
302 typedef struct ahci_fis_h2d_register {
303 	/* offset 0x00 */
304 	uint32_t	ahcifhr_type_pmp_rsvd_cmddevctl_cmd_features;
305 
306 #define	SET_FIS_TYPE(fis, type)					\
307 	(fis->ahcifhr_type_pmp_rsvd_cmddevctl_cmd_features |= (type & 0xff))
308 
309 #define	SET_FIS_PMP(fis, pmp)					\
310 	(fis->ahcifhr_type_pmp_rsvd_cmddevctl_cmd_features |= 	\
311 		((pmp & 0xf) << 8))
312 
313 #define	SET_FIS_CDMDEVCTL(fis, cmddevctl)			\
314 	(fis->ahcifhr_type_pmp_rsvd_cmddevctl_cmd_features |=	\
315 		((cmddevctl & 0x1) << 15))
316 
317 #define	GET_FIS_COMMAND(fis)					\
318 	((fis->ahcifhr_type_pmp_rsvd_cmddevctl_cmd_features >> 16) & 0xff)
319 
320 #define	SET_FIS_COMMAND(fis, command)				\
321 	(fis->ahcifhr_type_pmp_rsvd_cmddevctl_cmd_features |=	\
322 		((command & 0xff) << 16))
323 
324 #define	GET_FIS_FEATURES(fis)					\
325 	((fis->ahcifhr_type_pmp_rsvd_cmddevctl_cmd_features >> 24) & 0xff)
326 
327 #define	SET_FIS_FEATURES(fis, features)				\
328 	(fis->ahcifhr_type_pmp_rsvd_cmddevctl_cmd_features |=	\
329 		((features & 0xff) << 24))
330 
331 	/* offset 0x04 */
332 	uint32_t	ahcifhr_sector_cyllow_cylhi_devhead;
333 
334 #define	GET_FIS_SECTOR(fis)					\
335 	(fis->ahcifhr_sector_cyllow_cylhi_devhead & 0xff)
336 
337 #define	SET_FIS_SECTOR(fis, sector)				\
338 	(fis->ahcifhr_sector_cyllow_cylhi_devhead |= ((sector & 0xff)))
339 
340 #define	GET_FIS_CYL_LOW(fis)					\
341 	((fis->ahcifhr_sector_cyllow_cylhi_devhead >> 8) & 0xff)
342 
343 #define	SET_FIS_CYL_LOW(fis, cyl_low)				\
344 	(fis->ahcifhr_sector_cyllow_cylhi_devhead |= ((cyl_low & 0xff) << 8))
345 
346 #define	GET_FIS_CYL_HI(fis)					\
347 	((fis->ahcifhr_sector_cyllow_cylhi_devhead >> 16) & 0xff)
348 
349 #define	SET_FIS_CYL_HI(fis, cyl_hi)				\
350 	(fis->ahcifhr_sector_cyllow_cylhi_devhead |= ((cyl_hi & 0xff) << 16))
351 
352 #define	GET_FIS_DEV_HEAD(fis)					\
353 	((fis->ahcifhr_sector_cyllow_cylhi_devhead >> 24) & 0xff)
354 
355 #define	SET_FIS_DEV_HEAD(fis, dev_head)				\
356 	(fis->ahcifhr_sector_cyllow_cylhi_devhead |= ((dev_head & 0xff) << 24))
357 
358 	/* offset 0x08 */
359 	uint32_t	ahcifhr_sectexp_cyllowexp_cylhiexp_featuresexp;
360 
361 #define	GET_FIS_SECTOR_EXP(fis)					\
362 	(fis->ahcifhr_sectexp_cyllowexp_cylhiexp_featuresexp  & 0xff)
363 
364 #define	SET_FIS_SECTOR_EXP(fis, sectorexp)			\
365 	(fis->ahcifhr_sectexp_cyllowexp_cylhiexp_featuresexp |=	\
366 		((sectorexp & 0xff)))
367 
368 #define	GET_FIS_CYL_LOW_EXP(fis)				\
369 	((fis->ahcifhr_sectexp_cyllowexp_cylhiexp_featuresexp >> 8) & 0xff)
370 
371 #define	SET_FIS_CYL_LOW_EXP(fis, cyllowexp)			\
372 	(fis->ahcifhr_sectexp_cyllowexp_cylhiexp_featuresexp |=	\
373 		((cyllowexp & 0xff) << 8))
374 
375 #define	GET_FIS_CYL_HI_EXP(fis)					\
376 	((fis->ahcifhr_sectexp_cyllowexp_cylhiexp_featuresexp >> 16) & 0xff)
377 
378 #define	SET_FIS_CYL_HI_EXP(fis, cylhiexp)			\
379 	(fis->ahcifhr_sectexp_cyllowexp_cylhiexp_featuresexp |=	\
380 		((cylhiexp & 0xff) << 16))
381 
382 #define	SET_FIS_FEATURES_EXP(fis, features_exp)			\
383 	(fis->ahcifhr_sectexp_cyllowexp_cylhiexp_featuresexp |=	\
384 		((features_exp & 0xff) << 24))
385 
386 	/* offset 0x0c */
387 	uint32_t	ahcifhr_sectcount_sectcountexp_rsvd_devctl;
388 
389 #define	GET_FIS_SECTOR_COUNT(fis)				\
390 	(fis->ahcifhr_sectcount_sectcountexp_rsvd_devctl & 0xff)
391 
392 #define	SET_FIS_SECTOR_COUNT(fis, sector_count)			\
393 	(fis->ahcifhr_sectcount_sectcountexp_rsvd_devctl |= 	\
394 		((sector_count & 0xff)))
395 
396 #define	GET_FIS_SECTOR_COUNT_EXP(fis)				\
397 	((fis->ahcifhr_sectcount_sectcountexp_rsvd_devctl >> 8) & 0xff)
398 
399 #define	SET_FIS_SECTOR_COUNT_EXP(fis, sector_count_exp)		\
400 	(fis->ahcifhr_sectcount_sectcountexp_rsvd_devctl |=	\
401 		((sector_count_exp & 0xff) << 8))
402 
403 #define	SET_FIS_DEVCTL(fis, devctl)				\
404 	(fis->ahcifhr_sectcount_sectcountexp_rsvd_devctl |= 	\
405 		((devctl & 0xff) << 24))
406 
407 	/* offset 0x10 */
408 	uint32_t	ahcifhr_rsvd3[1]; /* should be zero */
409 } ahci_fis_h2d_register_t;
410 
411 /* Register - Device to Host FIS (from SATA spec) */
412 typedef struct ahci_fis_d2h_register {
413 	/* offset 0x00 */
414 	uint32_t	ahcifdr_type_intr_rsvd_status_error;
415 
416 #define	GET_RFIS_STATUS(fis)					\
417 	((fis->ahcifdr_type_intr_rsvd_status_error >> 16) & 0xff)
418 
419 #define	GET_RFIS_ERROR(fis)					\
420 	((fis->ahcifdr_type_intr_rsvd_status_error >> 24) & 0xff)
421 
422 	/* offset 0x04 */
423 	uint32_t	ahcifdr_sector_cyllow_cylhi_devhead;
424 
425 #define	GET_RFIS_CYL_LOW(fis)					\
426 	(fis->ahcifdr_sector_cyllow_cylhi_devhead & 0xff)
427 
428 #define	GET_RFIS_CYL_MID(fis)					\
429 	((fis->ahcifdr_sector_cyllow_cylhi_devhead >> 8) & 0xff)
430 
431 #define	GET_RFIS_CYL_HI(fis)					\
432 	((fis->ahcifdr_sector_cyllow_cylhi_devhead >> 16) & 0xff)
433 
434 #define	GET_RFIS_DEV_HEAD(fis)					\
435 	((fis->ahcifdr_sector_cyllow_cylhi_devhead >> 24) & 0xff)
436 
437 	/* offset 0x08 */
438 	uint32_t	ahcifdr_sectexp_cyllowexp_cylhiexp_rsvd;
439 
440 #define	GET_RFIS_CYL_LOW_EXP(fis)					\
441 	(fis->ahcifdr_sectexp_cyllowexp_cylhiexp_rsvd  & 0xff)
442 
443 #define	GET_RFIS_CYL_MID_EXP(fis)				\
444 	((fis->ahcifdr_sectexp_cyllowexp_cylhiexp_rsvd >> 8) & 0xff)
445 
446 #define	GET_RFIS_CYL_HI_EXP(fis)					\
447 	((fis->ahcifdr_sectexp_cyllowexp_cylhiexp_rsvd >> 16) & 0xff)
448 
449 	/* offset 0x0c */
450 	uint32_t	ahcifdr_sectcount_sectcountexp_rsvd;
451 
452 #define	GET_RFIS_SECTOR_COUNT(fis)				\
453 	(fis->ahcifdr_sectcount_sectcountexp_rsvd & 0xff)
454 
455 #define	GET_RFIS_SECTOR_COUNT_EXP(fis)				\
456 	((fis->ahcifdr_sectcount_sectcountexp_rsvd >> 8) & 0xff)
457 
458 	/* offset 0x10 */
459 	uint32_t	ahcifdr_rsvd;
460 } ahci_fis_d2h_register_t;
461 
462 /* Set Device Bits - Device to Host FIS (from SATA spec) */
463 typedef struct ahci_fis_set_device_bits {
464 	/* offset 0x00 */
465 	uint32_t	ahcifsdb_type_rsvd_intr_status_error;
466 
467 #define	GET_N_BIT_OF_SET_DEV_BITS(fis)				\
468 	((fis->ahcifsdb_type_rsvd_intr_status_error >> 15) & 0x1)
469 
470 	/* offset 0x04 */
471 	uint32_t	ahcifsdb_rsvd;
472 } ahci_fis_set_device_bits_t;
473 
474 /* DMA Setup - Device to Host or Host to Device (from SATA spec) */
475 typedef struct ahci_fis_dma_setup {
476 	/* offset 0x00 */
477 	uint32_t	ahcifds_type_rsvd_direction_intr_rsvd;
478 
479 	/* offset 0x04 */
480 	uint32_t	ahcifds_dma_buffer_identifier_low;
481 
482 	/* offset 0x08 */
483 	uint32_t	ahcifds_dma_buffer_identifier_high;
484 
485 	/* offset 0x0c */
486 	uint32_t	ahcifds_rsvd1;
487 
488 	/* offset 0x10 */
489 	uint32_t	ahcifds_dma_buffer_offset;
490 
491 	/* offset 0x14 */
492 	uint32_t	ahcifds_dma_transfer_count;
493 
494 	/* offset 0x18 */
495 	uint32_t	ahcifds_rsvd2;
496 } ahci_fis_dma_setup_t;
497 
498 /* PIO Setup - Device to Host FIS (from SATA spec) */
499 typedef struct ahci_fis_pio_setup {
500 	/* offset 0x00 */
501 	uint32_t	ahcifps_type_rsvd_direction_intr_status_error;
502 
503 	/* offset 0x04 */
504 	uint32_t	ahcifps_sector_cyllow_cylhi_devhead;
505 
506 	/* offset 0x08 */
507 	uint32_t	ahcifps_sectexp_cyllowexp_cylhiexp_rsvd;
508 
509 	/* offset 0x0c */
510 	uint32_t	ahcifps_sectcount_sectcountexp_rsvd_e_status;
511 
512 	/* offset 0x10 */
513 	uint32_t	ahcifps_transfer_count_rsvd;
514 } ahci_fis_pio_setup_t;
515 
516 /* BIST Active - Host to Device or Device to Host (from SATA spec) */
517 typedef struct ahci_fis_bist_active {
518 	/* offset 0x00 */
519 	uint32_t	ahcifba_type_rsvd_pattern_rsvd;
520 
521 	/* offset 0x04 */
522 	uint32_t	ahcifba_data1;
523 
524 	/* offset 0x08 */
525 	uint32_t	ahcifba_data2;
526 } ahci_fis_bist_active_t;
527 
528 /* Up to 64 bytes */
529 typedef struct ahci_fis_unknown {
530 	uint32_t	ahcifu_first_dword;
531 	uint32_t	ahcifu_dword[15];
532 } ahci_fis_unknown_t;
533 
534 /*
535  * This is a software constructed FIS. For data transfer,
536  * this is the H2D Register FIS format as specified in
537  * the Serial ATA 1.0a specification. Valid Command FIS
538  * length are 2 to 16 Dwords.
539  */
540 typedef struct ahci_fis_command {
541 	union {
542 		ahci_fis_h2d_register_t	ahcifc_h2d_register;
543 		ahci_fis_bist_active_t	ahcifc_bist_active;
544 	} ahcifc_fis;
545 	uint32_t	ahcifc_rsvd3[11]; /* should be zero */
546 } ahci_fis_command_t;
547 
548 /* Received FISes structure - size 100h */
549 typedef struct ahci_rcvd_fis {
550 	/* offset 0x00 - DMA Setup FIS */
551 	ahci_fis_dma_setup_t		ahcirf_dma_setup_fis;
552 	uint32_t			ahcirf_fis_rsvd1;
553 
554 	/* offset 0x20 - PIO Setup FIS */
555 	ahci_fis_pio_setup_t		ahcirf_pio_setup_fis;
556 	uint32_t			ahcirf_fis_rsvd2[3];
557 
558 	/* offset 0x40 - D2H Register FIS */
559 	ahci_fis_d2h_register_t		ahcirf_d2h_register_fis;
560 	uint32_t			ahcirf_fis_rsvd3;
561 
562 	/* offset 0x58 - Set Device Bits FIS */
563 	ahci_fis_set_device_bits_t	ahcirf_set_device_bits_fis;
564 
565 	/* offset 0x60 - Unknown FIS */
566 	ahci_fis_unknown_t		ahcirf_unknown_fis;
567 
568 	/* offset 0xa0h - Reserved */
569 	uint32_t			ahcirf_fis_rsvd4[24];
570 } ahci_rcvd_fis_t;
571 
572 /* physical region description table (PRDT) item structure */
573 typedef struct ahci_prdt_item {
574 	/* DW 0 - Data Base Address */
575 	uint32_t	ahcipi_data_base_addr;
576 
577 	/* DW 1 - Data Base Address Upper */
578 	uint32_t	ahcipi_data_base_addr_upper;
579 
580 	/* DW 2 - Reserved */
581 	uint32_t	ahcipi_rsvd;
582 
583 	/* DW 3 - Description Information */
584 	uint32_t	ahcipi_descr_info;
585 
586 #define	GET_PRDT_ITEM_INTR_ON_COMPLETION(prdt_item)	\
587 		((prdt_item.ahcipi_descr_info >> 31) & 0x01)
588 
589 #define	GET_PRDT_ITEM_DATA_BYTE_COUNT(prdt_item)	\
590 		(prdt_item.ahcipi_descr_info & 0x3fffff)
591 
592 } ahci_prdt_item_t;
593 
594 /* command table structure */
595 typedef struct ahci_cmd_table {
596 	/* offset 0x00 - Command FIS */
597 	ahci_fis_command_t	ahcict_command_fis;
598 
599 	/* offset 0x40 - ATAPI Command */
600 	uint8_t			ahcict_atapi_cmd[SATA_ATAPI_MAX_CDB_LEN];
601 
602 	/* offset 0x50 - Reserved */
603 	uint32_t		ahcict_rsvd[12];
604 
605 	/* offset 0x80 - Physical Region Description Table */
606 	ahci_prdt_item_t	ahcict_prdt[AHCI_PRDT_NUMBER];
607 } ahci_cmd_table_t;
608 
609 /* command head structure - size 20h */
610 typedef struct ahci_cmd_header {
611 	/* DW 0 - Description Information */
612 	uint32_t	ahcich_descr_info;
613 
614 #define	BZERO_DESCR_INFO(cmd_header)				\
615 	(cmd_header->ahcich_descr_info = 0)
616 
617 #define	GET_PRD_TABLE_LENGTH(cmd_header)			\
618 		((cmd_header->ahcich_descr_info >> 16) & 0xffff)
619 
620 #define	SET_PRD_TABLE_LENGTH(cmd_header, length)		\
621 	(cmd_header->ahcich_descr_info |= ((length & 0xffff) << 16))
622 
623 #define	GET_PORT_MULTI_PORT(cmd_header)				\
624 		((cmd_header->ahcich_descr_info >> 12) & 0x0f)
625 
626 #define	SET_PORT_MULTI_PORT(cmd_header, flags)			\
627 	(cmd_header->ahcich_descr_info |= ((flags & 0x0f) << 12))
628 
629 #define	GET_CLEAR_BUSY_UPON_R_OK(cmd_header)			\
630 		((cmd_header->ahcich_descr_info >> 10) & 0x01)
631 
632 #define	SET_CLEAR_BUSY_UPON_R_OK(cmd_header, flags)		\
633 	(cmd_header->ahcich_descr_info |= ((flags & 0x01) << 10))
634 
635 #define	GET_BIST(cmd_header)					\
636 		((cmd_header->ahcich_descr_info >> 9) & 0x01)
637 
638 #define	GET_RESET(cmd_header)					\
639 		((cmd_header->ahcich_descr_info >> 8) & 0x01)
640 
641 #define	SET_RESET(cmd_header, features_exp)			\
642 	(cmd_header->ahcich_descr_info |= ((features_exp & 0x01) << 8))
643 
644 #define	GET_PREFETCHABLE(cmd_header)				\
645 		((cmd_header->ahcich_descr_info >> 7) & 0x01)
646 
647 #define	SET_PREFETCHABLE(cmd_header, flags)			\
648 	(cmd_header->ahcich_descr_info |= ((flags & 0x01) << 7))
649 
650 #define	GET_WRITE(cmd_header)					\
651 		((cmd_header->ahcich_descr_info >> 6) & 0x01)
652 
653 #define	SET_WRITE(cmd_header, flags)				\
654 	(cmd_header->ahcich_descr_info |= ((flags & 0x01) << 6))
655 
656 #define	GET_ATAPI(cmd_header)					\
657 		((cmd_header->ahcich_descr_info >> 5) & 0x01)
658 
659 #define	SET_ATAPI(cmd_header, flags)				\
660 	(cmd_header->ahcich_descr_info |= ((flags & 0x01) << 5))
661 
662 #define	GET_COMMAND_FIS_LENGTH(cmd_header)			\
663 		(cmd_header->ahcich_descr_info && 0x1f)
664 
665 #define	SET_COMMAND_FIS_LENGTH(cmd_header, length)		\
666 	(cmd_header->ahcich_descr_info |= (length & 0x1f))
667 
668 	/* DW 1 - Physical Region Descriptor Byte Count */
669 	uint32_t	ahcich_prd_byte_count;
670 
671 #define	BZERO_PRD_BYTE_COUNT(cmd_header)			\
672 	(cmd_header->ahcich_prd_byte_count = 0)
673 
674 	/* DW 2 - Command Table Base Address */
675 	uint32_t	ahcich_cmd_tab_base_addr;
676 
677 #define	SET_COMMAND_TABLE_BASE_ADDR(cmd_header, base_address)	\
678 	(cmd_header->ahcich_cmd_tab_base_addr = base_address)
679 
680 	/* DW 3 - Command Table Base Address Upper */
681 	uint32_t	ahcich_cmd_tab_base_addr_upper;
682 
683 #define	SET_COMMAND_TABLE_BASE_ADDR_UPPER(cmd_header, base_address) \
684 	(cmd_header->ahcich_cmd_tab_base_addr_upper = base_address)
685 
686 	/* DW 4-7 - Reserved */
687 	uint32_t	ahcich_rsvd[4];
688 } ahci_cmd_header_t;
689 
690 
691 #ifdef	__cplusplus
692 }
693 #endif
694 
695 #endif /* _AHCIREG_H */
696