xref: /dragonfly/sys/dev/disk/ahci/atascsi.h (revision c69bf40f)
1 /*
2  * Copyright (c) 2007 David Gwynne <dlg@openbsd.org>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  *
16  * $OpenBSD: atascsi.h,v 1.33 2009/02/16 21:19:06 miod Exp $
17  */
18 
19 struct atascsi;
20 struct scsi_link;
21 
22 /*
23  * ATA commands
24  */
25 
26 #define ATA_C_DATA_SET_MANAGEMENT 0x06 /* Data Set Management command */
27 #define ATA_C_READDMA_EXT	0x25
28 #define ATA_C_READ_LOG_EXT	0x2f
29 #define ATA_C_WRITEDMA_EXT	0x35
30 #define ATA_C_READ_FPDMA	0x60
31 #define ATA_C_WRITE_FPDMA	0x61
32 #define ATA_C_PACKET		0xa0
33 #define ATA_C_ATAPI_IDENTIFY	0xa1
34 #define ATA_C_READDMA		0xc8
35 #define ATA_C_WRITEDMA		0xca
36 #define ATA_C_READ_PM		0xe4
37 #define ATA_C_WRITE_PM		0xe8
38 #define ATA_C_FLUSH_CACHE	0xe7
39 #define ATA_C_FLUSH_CACHE_EXT	0xea /* lba48 */
40 #define ATA_C_IDENTIFY		0xec
41 #define ATA_C_SET_FEATURES	0xef
42 #define ATA_C_SEC_FREEZE_LOCK	0xf5
43 
44 /*
45  * ATA SET FEATURES subcommands
46  */
47 #define ATA_SF_DSM_TRIM          0x01 /* TRIM DSM feature */
48 #define ATA_SF_WRITECACHE_EN	0x02
49 #define ATA_SF_SETXFER		0x03
50 #define ATA_SF_SATAFT_ENA	0x10
51 #define ATA_SF_SATAFT_DIS	0x90
52 #define ATA_SF_LOOKAHEAD_EN	0xaa
53 
54 /*
55  * ATA SATA FEATURES args
56  */
57 #define ATA_SATAFT_NONZDMA	0x01	/* DMA non-zero buffer offset */
58 #define ATA_SATAFT_DMAAAOPT	0x02	/* DMA AA optimization */
59 #define ATA_SATAFT_DEVIPS	0x03	/* Device-initiated pwr state*/
60 #define ATA_SATAFT_INORDER	0x04	/* in-order data delivery */
61 #define ATA_SATAFT_ASYNCNOTIFY	0x05	/* Async notification */
62 #define ATA_SATAFT_DEVAPS	0x07	/* Device auto partial to slumber */
63 #define ATA_SATAFT_DEVSLEEP	0x09	/* DevSleep power management state */
64 
65 struct ata_identify {
66 	u_int16_t	config;		/*   0 */
67 	u_int16_t	ncyls;		/*   1 */
68 	u_int16_t	reserved1;	/*   2 */
69 	u_int16_t	nheads;		/*   3 */
70 	u_int16_t	track_size;	/*   4 */
71 	u_int16_t	sector_size;	/*   5 */
72 	u_int16_t	nsectors;	/*   6 */
73 	u_int16_t	reserved2[3];	/*   7 vendor unique */
74 	u_int8_t	serial[20];	/*  10 */
75 	u_int16_t	buffer_type;	/*  20 */
76 	u_int16_t	buffer_size;	/*  21 */
77 	u_int16_t	ecc;		/*  22 */
78 	u_int8_t	firmware[8];	/*  23 */
79 	u_int8_t	model[40];	/*  27 */
80 	u_int16_t	multi;		/*  47 */
81 	u_int16_t	dwcap;		/*  48 */
82 	u_int16_t	cap;		/*  49 */
83 	u_int16_t	reserved3;	/*  50 */
84 	u_int16_t	piomode;	/*  51 */
85 	u_int16_t	dmamode;	/*  52 */
86 	u_int16_t	validinfo;	/*  53 */
87 	u_int16_t	curcyls;	/*  54 */
88 	u_int16_t	curheads;	/*  55 */
89 	u_int16_t	cursectrk;	/*  56 */
90 	u_int16_t	curseccp[2];	/*  57 */
91 	u_int16_t	mult2;		/*  59 */
92 	u_int16_t	addrsec[2];	/*  60 */
93 	u_int16_t	worddma;	/*  62 */
94 	u_int16_t	dworddma;	/*  63 */
95 	u_int16_t	advpiomode;	/*  64 */
96 	u_int16_t	minmwdma;	/*  65 */
97 	u_int16_t	recmwdma;	/*  66 */
98 	u_int16_t	minpio;		/*  67 */
99 	u_int16_t	minpioflow;	/*  68 */
100 	u_int16_t       support3;	/*  69 */
101 #define ATA_SUPPORT_RZAT                0x0020
102 #define ATA_SUPPORT_DRAT                0x4000
103 	u_int16_t	reserved4;	/*  70 */
104 	u_int16_t	typtime[2];	/*  71 */
105 	u_int16_t	reserved5[2];	/*  73 */
106 	u_int16_t	qdepth;		/*  75 */
107 	u_int16_t	satacap;	/*  76 */
108 	u_int16_t	satacap2;	/*  77 */
109 #define SATA_CAP2_SNDRCV_FPDMA		(1 << 6)
110 	u_int16_t	satafsup;	/*  78 */
111 #define SATA_FEATURE_SUP_DEVIPS		0x0008
112 #define SATA_FEATURE_SUP_DEVSLEEP	0x0100
113 	u_int16_t	satafen;	/*  79 */
114 	u_int16_t	majver;		/*  80 */
115 	u_int16_t	minver;		/*  81 */
116 	u_int16_t	cmdset82;	/*  82 */
117 	u_int16_t	cmdset83;	/*  83 */
118 	u_int16_t	cmdset84;	/*  84 */
119 	u_int16_t	features85;	/*  85 */
120 	u_int16_t	features86;	/*  86 */
121 	u_int16_t	features87;	/*  87 */
122 #define ATA_ID_F87_WWN		(1<<8)
123 	u_int16_t	ultradma;	/*  88 */
124 	u_int16_t	erasetime;	/*  89 */
125 	u_int16_t	erasetimex;	/*  90 */
126 	u_int16_t	apm;		/*  91 */
127 	u_int16_t	masterpw;	/*  92 */
128 	u_int16_t	hwreset;	/*  93 */
129 	u_int16_t	acoustic;	/*  94 */
130 	u_int16_t	stream_min;	/*  95 */
131 	u_int16_t	stream_xfer_d;	/*  96 */
132 	u_int16_t	stream_lat;	/*  97 */
133 	u_int16_t	streamperf[2];	/*  98 */
134 	u_int16_t	addrsecxt[4];	/* 100 */
135 	u_int16_t	stream_xfer_p;	/* 104 */
136 	u_int16_t	max_dsm_blocks;	/* 105 */
137 	u_int16_t	phys_sect_sz;	/* 106 */
138 	u_int16_t	seek_delay;	/* 107 */
139 	u_int16_t	naa_ieee_oui;	/* 108 */
140 	u_int16_t	ieee_oui_uid;	/* 109 */
141 	u_int16_t	uid_mid;	/* 110 */
142 	u_int16_t	uid_low;	/* 111 */
143 	u_int16_t	resv_wwn[4];	/* 112 */
144 	u_int16_t	incits;		/* 116 */
145 	u_int16_t	words_lsec[2];	/* 117 */
146 	u_int16_t	cmdset119;	/* 119 */
147 	u_int16_t	features120;	/* 120 */
148 	u_int16_t	padding2[6];
149 	u_int16_t	rmsn;		/* 127 */
150 	u_int16_t	securestatus;	/* 128 */
151 #define ATA_SECURE_LOCKED		(1<<2)
152 #define ATA_SECURE_FROZEN		(1<<3)
153 	u_int16_t	vendor[31];	/* 129 */
154 	u_int16_t	padding3[9];	/* 160 */
155 	u_int16_t	support_dsm;	/* 169 */
156 #define ATA_SUPPORT_DSM_TRIM            0x0001
157 	u_int16_t	padding5[6];	/* 170 */
158 	u_int16_t	curmedser[30];	/* 176 */
159 	u_int16_t	sctsupport;	/* 206 */
160 	u_int16_t	padding4[10];	/* 207 */
161 	u_int16_t	nomrota_rate;	/* 217 */
162 	u_int16_t	padding6[37];	/* 218 */
163 	u_int16_t	integrity;	/* 255 */
164 } __packed;
165 
166 /*
167  * IDENTIFY DEVICE data
168  */
169 #define ATA_IDENTIFY_SECURITY		(1 << 1)
170 #define ATA_IDENTIFY_WRITECACHE		(1 << 5)
171 #define ATA_IDENTIFY_LOOKAHEAD		(1 << 6)
172 
173 /*
174  * Frame Information Structures
175  */
176 
177 #define ATA_FIS_LENGTH		20
178 
179 struct ata_fis_h2d {
180 	u_int8_t		type;
181 #define ATA_FIS_TYPE_H2D		0x27
182 	u_int8_t		flags;
183 #define ATA_H2D_FLAGS_CMD		(1<<7)
184 	u_int8_t		command;
185 	u_int8_t		features;
186 #define ATA_H2D_FEATURES_DMA		(1<<0)
187 #define ATA_H2D_FEATURES_DIR		(1<<2)
188 #define ATA_H2D_FEATURES_DIR_READ	(1<<2)
189 #define ATA_H2D_FEATURES_DIR_WRITE	(0<<2)
190 
191 	u_int8_t		lba_low;
192 	u_int8_t		lba_mid;
193 	u_int8_t		lba_high;
194 	u_int8_t		device;
195 #define ATA_H2D_DEVICE_LBA		0x40
196 
197 	u_int8_t		lba_low_exp;
198 	u_int8_t		lba_mid_exp;
199 	u_int8_t		lba_high_exp;
200 	u_int8_t		features_exp;
201 
202 	u_int8_t		sector_count;
203 	u_int8_t		sector_count_exp;
204 	u_int8_t		reserved0;
205 	u_int8_t		control;
206 #define ATA_FIS_CONTROL_SRST	0x04
207 #define ATA_FIS_CONTROL_4BIT	0x08
208 
209 	u_int8_t		reserved1;
210 	u_int8_t		reserved2;
211 	u_int8_t		reserved3;
212 	u_int8_t		reserved4;
213 } __packed;
214 
215 struct ata_fis_d2h {
216 	u_int8_t		type;
217 #define ATA_FIS_TYPE_D2H		0x34
218 	u_int8_t		flags;
219 #define ATA_D2H_FLAGS_INTR		(1<<6)
220 	u_int8_t		status;
221 	u_int8_t		error;
222 
223 	u_int8_t		lba_low;
224 	u_int8_t		lba_mid;
225 	u_int8_t		lba_high;
226 	u_int8_t		device;
227 
228 	u_int8_t		lba_low_exp;
229 	u_int8_t		lba_mid_exp;
230 	u_int8_t		lba_high_exp;
231 	u_int8_t		reserved0;
232 
233 	u_int8_t		sector_count;
234 	u_int8_t		sector_count_exp;
235 	u_int8_t		reserved1;
236 	u_int8_t		reserved2;
237 
238 	u_int8_t		reserved3;
239 	u_int8_t		reserved4;
240 	u_int8_t		reserved5;
241 	u_int8_t		reserved6;
242 } __packed;
243 
244 /*
245  * SATA log page 10h -
246  * looks like a D2H FIS, with errored tag number in first byte.
247  */
248 struct ata_log_page_10h {
249 	struct ata_fis_d2h	err_regs;
250 #define ATA_LOG_10H_TYPE_NOTQUEUED	0x80
251 #define ATA_LOG_10H_TYPE_TAG_MASK	0x1f
252 	u_int8_t		reserved[256 - sizeof(struct ata_fis_d2h)];
253 	u_int8_t		vendor_specific[255];
254 	u_int8_t		checksum;
255 } __packed;
256 
257 /*
258  * SATA registers
259  */
260 
261 #define SATA_SStatus_DET		0x00f
262 #define SATA_SStatus_DET_NODEV		0x000
263 #define SATA_SStatus_DET_NOPHY		0x001
264 #define SATA_SStatus_DET_DEV		0x003
265 #define SATA_SStatus_DET_OFFLINE	0x008
266 
267 #define SATA_SStatus_SPD		0x0f0
268 #define SATA_SStatus_SPD_NONE		0x000
269 #define SATA_SStatus_SPD_1_5		0x010
270 #define SATA_SStatus_SPD_3_0		0x020
271 
272 #define SATA_SStatus_IPM		0xf00
273 #define SATA_SStatus_IPM_NODEV		0x000
274 #define SATA_SStatus_IPM_ACTIVE		0x100
275 #define SATA_SStatus_IPM_PARTIAL	0x200
276 #define SATA_SStatus_IPM_SLUMBER	0x600
277 
278 #define SATA_SIGNATURE_PORT_MULTIPLIER	0x96690101
279 #define SATA_SIGNATURE_ATAPI		0xeb140101
280 #define SATA_SIGNATURE_DISK		0x00000101
281 
282 /*
283  * ATA interface
284  */
285 
286 struct ahci_port;
287 
288 struct ata_port {
289 	struct ata_identify	at_identify;	/* only if ATA_PORT_T_DISK */
290 	struct ahci_port	*at_ahci_port;
291 	int			at_type;
292 #define ATA_PORT_T_NONE			0
293 #define ATA_PORT_T_DISK			1
294 #define ATA_PORT_T_ATAPI		2
295 #define ATA_PORT_T_PM			3
296 	int			at_features;
297 #define ATA_PORT_F_WCACHE		(1 << 0)
298 #define ATA_PORT_F_RAHEAD		(1 << 1)
299 #define ATA_PORT_F_FRZLCK		(1 << 2)
300 #define ATA_PORT_F_RESCAN		(1 << 3) /* re-check on bus scan */
301 	int			at_probe;
302 #define ATA_PROBE_NEED_INIT		0
303 #define ATA_PROBE_NEED_HARD_RESET	1
304 #define ATA_PROBE_NEED_SOFT_RESET	2
305 #define ATA_PROBE_NEED_IDENT		3
306 #define ATA_PROBE_GOOD			4
307 #define ATA_PROBE_FAILED		7
308 	int			at_ncqdepth;
309 	u_int64_t		at_capacity;	/* only if ATA_PORT_T_DISK */
310 	int			at_target;	/* port multiplier port */
311 	char			at_name[16];
312 };
313 
314 struct ata_xfer {
315 	struct ata_fis_h2d	*fis;
316 	struct ata_fis_d2h	rfis;
317 	u_int8_t		*packetcmd;
318 	u_int8_t		tag;
319 	u_int64_t		lba;		/* diagnostic only */
320 
321 	void			*data;
322 	size_t			datalen;
323 	size_t			resid;
324 
325 	void			(*complete)(struct ata_xfer *);
326 	u_int			timeout;
327 	int			serial;		/* detect timeout races */
328 
329 	int			flags;
330 #define ATA_F_READ			(1<<0)
331 #define ATA_F_WRITE			(1<<1)
332 #define ATA_F_NOWAIT			(1<<2)
333 #define ATA_F_POLL			(1<<3)
334 #define ATA_F_PIO			(1<<4)
335 #define ATA_F_PACKET			(1<<5)
336 #define ATA_F_NCQ			(1<<6)
337 #define ATA_F_TIMEOUT_RUNNING		(1<<7)
338 #define ATA_F_TIMEOUT_DESIRED		(1<<8)
339 #define ATA_F_TIMEOUT_EXPIRED		(1<<9)
340 #define ATA_F_AUTOSENSE			(1<<10)
341 #define ATA_F_EXCLUSIVE			(1<<11)
342 #define ATA_F_SILENT			(1<<12)
343 #define ATA_FMT_FLAGS			"\020" 				\
344 					"\015SILENT"			\
345 					"\014EXCLUSIVE"			\
346 					"\013AUTOSENSE"			\
347 					"\012EXPIRED"			\
348 					"\011DESIRED" "\010TRUNNING"	\
349 					"\007NCQ" "\006PACKET"		\
350 					"\005PIO" "\004POLL" "\003NOWAIT" \
351 					"\002WRITE" "\001READ"
352 
353 	volatile int		state;
354 #define ATA_S_SETUP			0
355 #define ATA_S_PENDING			1
356 #define ATA_S_COMPLETE			2
357 #define ATA_S_ERROR			3
358 #define ATA_S_TIMEOUT			4
359 #define ATA_S_ONCHIP			5
360 #define ATA_S_PUT			6
361 
362 	void			*atascsi_private;
363 	struct ata_port         *at;	/* NULL if direct-attached */
364 };
365 
366