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
32extern "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) */
302typedef 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) */
412typedef 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) */
463typedef 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) */
475typedef 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) */
499typedef 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) */
517typedef 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 */
529typedef 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 */
540typedef 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 */
549typedef 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 */
573typedef 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 */
595typedef 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 */
610typedef 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