xref: /openbsd/sys/dev/ic/ahcireg.h (revision 6b06da21)
1 /*	$OpenBSD: ahcireg.h,v 1.6 2024/04/23 13:09:21 jsg Exp $ */
2 
3 /*
4  * Copyright (c) 2006 David Gwynne <dlg@openbsd.org>
5  * Copyright (c) 2010 Conformal Systems LLC <info@conformal.com>
6  * Copyright (c) 2010 Jonathan Matthew <jonathan@d14n.org>
7  *
8  * Permission to use, copy, modify, and distribute this software for any
9  * purpose with or without fee is hereby granted, provided that the above
10  * copyright notice and this permission notice appear in all copies.
11  *
12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19  */
20 
21 #define AHCI_REG_CAP		0x000 /* HBA Capabilities */
22 #define  AHCI_REG_CAP_NP(_r)		(((_r) & 0x1f)+1) /* Number of Ports */
23 #define  AHCI_REG_CAP_SXS		(1<<5) /* External SATA */
24 #define  AHCI_REG_CAP_EMS		(1<<6) /* Enclosure Mgmt */
25 #define  AHCI_REG_CAP_CCCS		(1<<7) /* Cmd Coalescing */
26 #define  AHCI_REG_CAP_NCS(_r)		((((_r) & 0x1f00)>>8)+1) /* NCmds*/
27 #define  AHCI_REG_CAP_PSC		(1<<13) /* Partial State Capable */
28 #define  AHCI_REG_CAP_SSC		(1<<14) /* Slumber State Capable */
29 #define  AHCI_REG_CAP_PMD		(1<<15) /* PIO Multiple DRQ Block */
30 #define  AHCI_REG_CAP_FBSS		(1<<16) /* FIS-Based Switching */
31 #define  AHCI_REG_CAP_SPM		(1<<17) /* Port Multiplier */
32 #define  AHCI_REG_CAP_SAM		(1<<18) /* AHCI Only mode */
33 #define  AHCI_REG_CAP_SNZO		(1<<19) /* Non Zero DMA Offsets */
34 #define  AHCI_REG_CAP_ISS		(0xf<<20) /* Interface Speed Support */
35 #define  AHCI_REG_CAP_ISS_G1		(0x1<<20) /* Gen 1 (1.5 Gbps) */
36 #define  AHCI_REG_CAP_ISS_G2		(0x2<<20) /* Gen 2 (3 Gbps) */
37 #define  AHCI_REG_CAP_ISS_G3		(0x3<<20) /* Gen 3 (6 Gbps) */
38 #define  AHCI_REG_CAP_SCLO		(1<<24) /* Cmd List Override */
39 #define  AHCI_REG_CAP_SAL		(1<<25) /* Activity LED */
40 #define  AHCI_REG_CAP_SALP		(1<<26) /* Aggressive Link Pwr Mgmt */
41 #define  AHCI_REG_CAP_SSS		(1<<27) /* Staggered Spinup */
42 #define  AHCI_REG_CAP_SMPS		(1<<28) /* Mech Presence Switch */
43 #define  AHCI_REG_CAP_SSNTF		(1<<29) /* SNotification Register */
44 #define  AHCI_REG_CAP_SNCQ		(1<<30) /* Native Cmd Queuing */
45 #define  AHCI_REG_CAP_S64A		(1U<<31) /* 64bit Addressing */
46 #define  AHCI_FMT_CAP		"\020" "\040S64A" "\037NCQ" "\036SSNTF" \
47 				    "\035SMPS" "\034SSS" "\033SALP" "\032SAL" \
48 				    "\031SCLO" "\024SNZO" "\023SAM" "\022SPM" \
49 				    "\021FBSS" "\020PMD" "\017SSC" "\016PSC" \
50 				    "\010CCCS" "\007EMS" "\006SXS"
51 #define AHCI_REG_GHC		0x004 /* Global HBA Control */
52 #define  AHCI_REG_GHC_HR		(1<<0) /* HBA Reset */
53 #define  AHCI_REG_GHC_IE		(1<<1) /* Interrupt Enable */
54 #define  AHCI_REG_GHC_MRSM		(1<<2) /* MSI Revert to Single Msg */
55 #define  AHCI_REG_GHC_AE		(1U<<31) /* AHCI Enable */
56 #define AHCI_FMT_GHC		"\020" "\040AE" "\003MRSM" "\002IE" "\001HR"
57 #define AHCI_REG_IS		0x008 /* Interrupt Status */
58 #define AHCI_REG_PI		0x00c /* Ports Implemented */
59 #define AHCI_REG_VS		0x010 /* AHCI Version */
60 #define  AHCI_REG_VS_0_95		0x00000905 /* 0.95 */
61 #define  AHCI_REG_VS_1_0		0x00010000 /* 1.0 */
62 #define  AHCI_REG_VS_1_1		0x00010100 /* 1.1 */
63 #define  AHCI_REG_VS_1_2		0x00010200 /* 1.2 */
64 #define  AHCI_REG_VS_1_3		0x00010300 /* 1.3 */
65 #define  AHCI_REG_VS_1_3_1		0x00010301 /* 1.3.1 */
66 #define AHCI_REG_CCC_CTL	0x014 /* Coalescing Control */
67 #define  AHCI_REG_CCC_CTL_INT(_r)	(((_r) & 0xf8) >> 3) /* CCC INT slot */
68 #define AHCI_REG_CCC_PORTS	0x018 /* Coalescing Ports */
69 #define AHCI_REG_EM_LOC		0x01c /* Enclosure Mgmt Location */
70 #define AHCI_REG_EM_CTL		0x020 /* Enclosure Mgmt Control */
71 
72 #define AHCI_REG_CAP2		0x024 /* HBA Capabilities Extended */
73 #define  AHCI_REG_CAP2_DESO	(1<<5)  /* DevSlp from slumber only */
74 #define  AHCI_REG_CAP2_SADM	(1<<4)  /* Aggro DevSlp mgmt */
75 #define  AHCI_REG_CAP2_SDS	(1<<3)  /* Supports DevSlp */
76 #define  AHCI_REG_CAP2_APST	(1<<2)  /* Auto partial->slumber */
77 #define  AHCI_REG_CAP2_NVMP	(1<<1)  /* NVMHCI present */
78 #define  AHCI_REG_CAP2_BOH	(1<<0)  /* BIOS/OS handoff */
79 #define  AHCI_FMT_CAP2		"\020" "\006DESO" "\005SADM" "\004SDS" \
80 				    "\003APST" "\002NVMP" "\001BOH"
81 
82 #define AHCI_PORT_REGION(_p)	(0x100 + ((_p) * 0x80))
83 #define AHCI_PORT_SIZE		0x80
84 
85 #define AHCI_PREG_CLB		0x00 /* Cmd List Base Addr */
86 #define AHCI_PREG_CLBU		0x04 /* Cmd List Base Hi Addr */
87 #define AHCI_PREG_FB		0x08 /* FIS Base Addr */
88 #define AHCI_PREG_FBU		0x0c /* FIS Base Hi Addr */
89 #define AHCI_PREG_IS		0x10 /* Interrupt Status */
90 #define  AHCI_PREG_IS_DHRS		(1<<0) /* Device to Host FIS */
91 #define  AHCI_PREG_IS_PSS		(1<<1) /* PIO Setup FIS */
92 #define  AHCI_PREG_IS_DSS		(1<<2) /* DMA Setup FIS */
93 #define  AHCI_PREG_IS_SDBS		(1<<3) /* Set Device Bits FIS */
94 #define  AHCI_PREG_IS_UFS		(1<<4) /* Unknown FIS */
95 #define  AHCI_PREG_IS_DPS		(1<<5) /* Descriptor Processed */
96 #define  AHCI_PREG_IS_PCS		(1<<6) /* Port Change */
97 #define  AHCI_PREG_IS_DMPS		(1<<7) /* Device Mechanical Presence */
98 #define  AHCI_PREG_IS_PRCS		(1<<22) /* PhyRdy Change */
99 #define  AHCI_PREG_IS_IPMS		(1<<23) /* Incorrect Port Multiplier */
100 #define  AHCI_PREG_IS_OFS		(1<<24) /* Overflow */
101 #define  AHCI_PREG_IS_INFS		(1<<26) /* Interface Non-fatal Error */
102 #define  AHCI_PREG_IS_IFS		(1<<27) /* Interface Fatal Error */
103 #define  AHCI_PREG_IS_HBDS		(1<<28) /* Host Bus Data Error */
104 #define  AHCI_PREG_IS_HBFS		(1<<29) /* Host Bus Fatal Error */
105 #define  AHCI_PREG_IS_TFES		(1<<30) /* Task File Error */
106 #define  AHCI_PREG_IS_CPDS		(1U<<31) /* Cold Presence Detect */
107 #define AHCI_PFMT_IS		"\20" "\040CPDS" "\037TFES" "\036HBFS" \
108 				    "\035HBDS" "\034IFS" "\033INFS" "\031OFS" \
109 				    "\030IPMS" "\027PRCS" "\010DMPS" "\006DPS" \
110 				    "\007PCS" "\005UFS" "\004SDBS" "\003DSS" \
111 				    "\002PSS" "\001DHRS"
112 #define AHCI_PREG_IE		0x14 /* Interrupt Enable */
113 #define  AHCI_PREG_IE_DHRE		(1<<0) /* Device to Host FIS */
114 #define  AHCI_PREG_IE_PSE		(1<<1) /* PIO Setup FIS */
115 #define  AHCI_PREG_IE_DSE		(1<<2) /* DMA Setup FIS */
116 #define  AHCI_PREG_IE_SDBE		(1<<3) /* Set Device Bits FIS */
117 #define  AHCI_PREG_IE_UFE		(1<<4) /* Unknown FIS */
118 #define  AHCI_PREG_IE_DPE		(1<<5) /* Descriptor Processed */
119 #define  AHCI_PREG_IE_PCE		(1<<6) /* Port Change */
120 #define  AHCI_PREG_IE_DMPE		(1<<7) /* Device Mechanical Presence */
121 #define  AHCI_PREG_IE_PRCE		(1<<22) /* PhyRdy Change */
122 #define  AHCI_PREG_IE_IPME		(1<<23) /* Incorrect Port Multiplier */
123 #define  AHCI_PREG_IE_OFE		(1<<24) /* Overflow */
124 #define  AHCI_PREG_IE_INFE		(1<<26) /* Interface Non-fatal Error */
125 #define  AHCI_PREG_IE_IFE		(1<<27) /* Interface Fatal Error */
126 #define  AHCI_PREG_IE_HBDE		(1<<28) /* Host Bus Data Error */
127 #define  AHCI_PREG_IE_HBFE		(1<<29) /* Host Bus Fatal Error */
128 #define  AHCI_PREG_IE_TFEE		(1<<30) /* Task File Error */
129 #define  AHCI_PREG_IE_CPDE		(1U<<31) /* Cold Presence Detect */
130 #define AHCI_PFMT_IE		"\20" "\040CPDE" "\037TFEE" "\036HBFE" \
131 				    "\035HBDE" "\034IFE" "\033INFE" "\031OFE" \
132 				    "\030IPME" "\027PRCE" "\010DMPE" "\007PCE" \
133 				    "\006DPE" "\005UFE" "\004SDBE" "\003DSE" \
134 				    "\002PSE" "\001DHRE"
135 #define AHCI_PREG_CMD		0x18 /* Command and Status */
136 #define  AHCI_PREG_CMD_ST		(1<<0) /* Start */
137 #define  AHCI_PREG_CMD_SUD		(1<<1) /* Spin Up Device */
138 #define  AHCI_PREG_CMD_POD		(1<<2) /* Power On Device */
139 #define  AHCI_PREG_CMD_CLO		(1<<3) /* Command List Override */
140 #define  AHCI_PREG_CMD_FRE		(1<<4) /* FIS Receive Enable */
141 #define  AHCI_PREG_CMD_CCS(_r)		(((_r) >> 8) & 0x1f) /* Curr CmdSlot# */
142 #define  AHCI_PREG_CMD_MPSS		(1<<13) /* Mech Presence State */
143 #define  AHCI_PREG_CMD_FR		(1<<14) /* FIS Receive Running */
144 #define  AHCI_PREG_CMD_CR		(1<<15) /* Command List Running */
145 #define  AHCI_PREG_CMD_CPS		(1<<16) /* Cold Presence State */
146 #define  AHCI_PREG_CMD_PMA		(1<<17) /* Port Multiplier Attached */
147 #define  AHCI_PREG_CMD_HPCP		(1<<18) /* Hot Plug Capable */
148 #define  AHCI_PREG_CMD_MPSP		(1<<19) /* Mech Presence Switch */
149 #define  AHCI_PREG_CMD_CPD		(1<<20) /* Cold Presence Detection */
150 #define  AHCI_PREG_CMD_ESP		(1<<21) /* External SATA Port */
151 #define  AHCI_PREG_CMD_ATAPI		(1<<24) /* Device is ATAPI */
152 #define  AHCI_PREG_CMD_DLAE		(1<<25) /* Drv LED on ATAPI Enable */
153 #define  AHCI_PREG_CMD_ALPE		(1<<26) /* Aggro Pwr Mgmt Enable */
154 #define  AHCI_PREG_CMD_ASP		(1<<27) /* Aggro Slumber/Partial */
155 #define  AHCI_PREG_CMD_ICC		0xf0000000 /* Interface Comm Ctrl */
156 #define  AHCI_PREG_CMD_ICC_SLUMBER	0x60000000
157 #define  AHCI_PREG_CMD_ICC_PARTIAL	0x20000000
158 #define  AHCI_PREG_CMD_ICC_ACTIVE	0x10000000
159 #define  AHCI_PREG_CMD_ICC_IDLE		0x00000000
160 #define  AHCI_PFMT_CMD		"\020" "\034ASP" "\033ALPE" "\032DLAE" \
161 				    "\031ATAPI" "\026ESP" "\025CPD" "\024MPSP" \
162 				    "\023HPCP" "\022PMA" "\021CPS" "\020CR" \
163 				    "\017FR" "\016MPSS" "\005FRE" "\004CLO" \
164 				    "\003POD" "\002SUD" "\001ST"
165 #define AHCI_PREG_TFD		0x20 /* Task File Data*/
166 #define  AHCI_PREG_TFD_STS		0xff
167 #define  AHCI_PREG_TFD_STS_ERR		(1<<0)
168 #define  AHCI_PREG_TFD_STS_DRQ		(1<<3)
169 #define  AHCI_PREG_TFD_STS_BSY		(1<<7)
170 #define  AHCI_PREG_TFD_ERR		0xff00
171 #define AHCI_PFMT_TFD_STS	"\20" "\010BSY" "\004DRQ" "\001ERR"
172 #define AHCI_PREG_SIG		0x24 /* Signature */
173 #define AHCI_PREG_SSTS		0x28 /* SATA Status */
174 #define  AHCI_PREG_SSTS_DET		0xf /* Device Detection */
175 #define  AHCI_PREG_SSTS_DET_NONE	0x0
176 #define  AHCI_PREG_SSTS_DET_DEV_NE	0x1
177 #define  AHCI_PREG_SSTS_DET_DEV		0x3
178 #define  AHCI_PREG_SSTS_DET_PHYOFFLINE	0x4
179 #define  AHCI_PREG_SSTS_SPD		0xf0 /* Current Interface Speed */
180 #define  AHCI_PREG_SSTS_SPD_NONE	0x00
181 #define  AHCI_PREG_SSTS_SPD_GEN1	0x10
182 #define  AHCI_PREG_SSTS_SPD_GEN2	0x20
183 #define  AHCI_PREG_SSTS_SPD_GEN3	0x30
184 #define  AHCI_PREG_SSTS_IPM		0xf00 /* Interface Power Management */
185 #define  AHCI_PREG_SSTS_IPM_NONE	0x000
186 #define  AHCI_PREG_SSTS_IPM_ACTIVE	0x100
187 #define  AHCI_PREG_SSTS_IPM_PARTIAL	0x200
188 #define  AHCI_PREG_SSTS_IPM_SLUMBER	0x600
189 #define AHCI_PREG_SCTL		0x2c /* SATA Control */
190 #define  AHCI_PREG_SCTL_DET		0xf /* Device Detection */
191 #define  AHCI_PREG_SCTL_DET_NONE	0x0
192 #define  AHCI_PREG_SCTL_DET_INIT	0x1
193 #define  AHCI_PREG_SCTL_DET_DISABLE	0x4
194 #define  AHCI_PREG_SCTL_SPD		0xf0 /* Speed Allowed */
195 #define  AHCI_PREG_SCTL_SPD_ANY		0x00
196 #define  AHCI_PREG_SCTL_SPD_GEN1	0x10
197 #define  AHCI_PREG_SCTL_SPD_GEN2	0x20
198 #define  AHCI_PREG_SCTL_SPD_GEN3	0x30
199 #define  AHCI_PREG_SCTL_IPM		0xf00 /* Interface Power Management */
200 #define  AHCI_PREG_SCTL_IPM_NONE	0x000
201 #define  AHCI_PREG_SCTL_IPM_NOPARTIAL	0x100
202 #define  AHCI_PREG_SCTL_IPM_NOSLUMBER	0x200
203 #define  AHCI_PREG_SCTL_IPM_DISABLED	0x300
204 #define AHCI_PREG_SERR		0x30 /* SATA Error */
205 #define  AHCI_PREG_SERR_ERR(_r)		((_r) & 0xffff)
206 #define  AHCI_PREG_SERR_ERR_I		(1<<0) /* Recovered Data Integrity */
207 #define  AHCI_PREG_SERR_ERR_M		(1<<1) /* Recovered Communications */
208 #define  AHCI_PREG_SERR_ERR_T		(1<<8) /* Transient Data Integrity */
209 #define  AHCI_PREG_SERR_ERR_C		(1<<9) /* Persistent Comm/Data */
210 #define  AHCI_PREG_SERR_ERR_P		(1<<10) /* Protocol */
211 #define  AHCI_PREG_SERR_ERR_E		(1<<11) /* Internal */
212 #define  AHCI_PFMT_SERR_ERR	"\020" "\014E" "\013P" "\012C" "\011T" "\002M" \
213 				    "\001I"
214 #define  AHCI_PREG_SERR_DIAG(_r)	(((_r) >> 16) & 0xffff)
215 #define  AHCI_PREG_SERR_DIAG_N		(1<<0) /* PhyRdy Change */
216 #define  AHCI_PREG_SERR_DIAG_I		(1<<1) /* Phy Internal Error */
217 #define  AHCI_PREG_SERR_DIAG_W		(1<<2) /* Comm Wake */
218 #define  AHCI_PREG_SERR_DIAG_B		(1<<3) /* 10B to 8B Decode Error */
219 #define  AHCI_PREG_SERR_DIAG_D		(1<<4) /* Disparity Error */
220 #define  AHCI_PREG_SERR_DIAG_C		(1<<5) /* CRC Error */
221 #define  AHCI_PREG_SERR_DIAG_H		(1<<6) /* Handshake Error */
222 #define  AHCI_PREG_SERR_DIAG_S		(1<<7) /* Link Sequence Error */
223 #define  AHCI_PREG_SERR_DIAG_T		(1<<8) /* Transport State Trans Err */
224 #define  AHCI_PREG_SERR_DIAG_F		(1<<9) /* Unknown FIS Type */
225 #define  AHCI_PREG_SERR_DIAG_X		(1<<10) /* Exchanged */
226 #define  AHCI_PFMT_SERR_DIAG	"\020" "\013X" "\012F" "\011T" "\010S" "\007H" \
227 				    "\006C" "\005D" "\004B" "\003W" "\002I" \
228 				    "\001N"
229 #define AHCI_PREG_SACT		0x34 /* SATA Active */
230 #define AHCI_PREG_CI		0x38 /* Command Issue */
231 #define  AHCI_PREG_CI_ALL_SLOTS	0xffffffff
232 #define AHCI_PREG_SNTF		0x3c /* SNotification */
233 
234 #define AHCI_PREG_FBS		0x40 /* FIS-based Switching Control */
235 #define AHCI_PREG_FBS_DWE	0xf0000	/* Device With Error */
236 #define AHCI_PREG_FBS_ADO	0xf000	/* Active Device Optimization */
237 #define AHCI_PREG_FBS_DEV	0xf00	/* Device To Issue */
238 #define AHCI_PREG_FBS_SDE	(1<<2)	/* Single Device Error */
239 #define AHCI_PREG_FBS_DEC	(1<<1)	/* Device Error Clear */
240 #define AHCI_PREG_FBS_EN	(1<<0)	/* Enable */
241 
242 struct ahci_cmd_hdr {
243 	u_int16_t		flags;
244 #define AHCI_CMD_LIST_FLAG_CFL		0x001f /* Command FIS Length */
245 #define AHCI_CMD_LIST_FLAG_A		(1<<5) /* ATAPI */
246 #define AHCI_CMD_LIST_FLAG_W		(1<<6) /* Write */
247 #define AHCI_CMD_LIST_FLAG_P		(1<<7) /* Prefetchable */
248 #define AHCI_CMD_LIST_FLAG_R		(1<<8) /* Reset */
249 #define AHCI_CMD_LIST_FLAG_B		(1<<9) /* BIST */
250 #define AHCI_CMD_LIST_FLAG_C		(1<<10) /* Clear Busy upon R_OK */
251 #define AHCI_CMD_LIST_FLAG_PMP		0xf000 /* Port Multiplier Port */
252 #define AHCI_CMD_LIST_FLAG_PMP_SHIFT	12
253 	u_int16_t		prdtl; /* sgl len */
254 
255 	u_int32_t		prdbc; /* transferred byte count */
256 
257 	u_int64_t		ctba;
258 
259 	u_int32_t		reserved[4];
260 } __packed __aligned(8);
261 
262 struct ahci_rfis {
263 	u_int8_t		dsfis[28];
264 	u_int8_t		reserved1[4];
265 	u_int8_t		psfis[24];
266 	u_int8_t		reserved2[8];
267 	u_int8_t		rfis[24];
268 	u_int8_t		reserved3[4];
269 	u_int8_t		sdbfis[4];
270 	u_int8_t		ufis[64];
271 	u_int8_t		reserved4[96];
272 } __packed;
273 
274 struct ahci_prdt {
275 	u_int64_t		dba;
276 	u_int32_t		reserved;
277 	u_int32_t		flags;
278 #define AHCI_PRDT_FLAG_INTR		(1U<<31) /* interrupt on completion */
279 } __packed __aligned(8);
280 
281 /* this makes ahci_cmd_table 512 bytes, supporting 128-byte alignment */
282 #define AHCI_MAX_PRDT		24
283 
284 struct ahci_cmd_table {
285 	u_int8_t		cfis[64];	/* Command FIS */
286 	u_int8_t		acmd[16];	/* ATAPI Command */
287 	u_int8_t		reserved[48];
288 
289 	struct ahci_prdt	prdt[AHCI_MAX_PRDT];
290 } __packed __aligned(128);
291 
292 #define AHCI_MAX_PORTS		32
293