xref: /dragonfly/sys/dev/disk/ahci/atascsi.h (revision 7eedf208)
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_SATA_FEATURE_ENA	0x10
28 #define ATA_C_READDMA_EXT	0x25
29 #define ATA_C_READ_LOG_EXT	0x2f
30 #define ATA_C_WRITEDMA_EXT	0x35
31 #define ATA_C_READ_FPDMA	0x60
32 #define ATA_C_WRITE_FPDMA	0x61
33 #define ATA_C_SATA_FEATURE_DIS	0x90
34 #define ATA_C_PACKET		0xa0
35 #define ATA_C_ATAPI_IDENTIFY	0xa1
36 #define ATA_C_READDMA		0xc8
37 #define ATA_C_WRITEDMA		0xca
38 #define ATA_C_READ_PM		0xe4
39 #define ATA_C_WRITE_PM		0xe8
40 #define ATA_C_FLUSH_CACHE	0xe7
41 #define ATA_C_FLUSH_CACHE_EXT	0xea /* lba48 */
42 #define ATA_C_IDENTIFY		0xec
43 #define ATA_C_SET_FEATURES	0xef
44 #define ATA_C_SEC_FREEZE_LOCK	0xf5
45 
46 /*
47  * ATA SATA FEATURES subcommands
48  */
49 #define ATA_SATAFT_NONZDMA	0x01	/* DMA non-zero buffer offset */
50 #define ATA_SATAFT_DMAAAOPT	0x02	/* DMA AA optimization */
51 #define ATA_SATAFT_DEVIPS	0x03	/* Device-initiated pwr state*/
52 #define ATA_SATAFT_INORDER	0x04	/* in-order data delivery */
53 #define ATA_SATAFT_ASYNCNOTIFY	0x05	/* Async notification */
54 
55 /*
56  * ATA SET FEATURES subcommands
57  */
58 #define ATA_SF_DSM_TRIM          0x01 /* TRIM DSM feature */
59 #define ATA_SF_WRITECACHE_EN	0x02
60 #define ATA_SF_SETXFER		0x03
61 #define ATA_SF_LOOKAHEAD_EN	0xaa
62 
63 struct ata_identify {
64 	u_int16_t	config;		/*   0 */
65 	u_int16_t	ncyls;		/*   1 */
66 	u_int16_t	reserved1;	/*   2 */
67 	u_int16_t	nheads;		/*   3 */
68 	u_int16_t	track_size;	/*   4 */
69 	u_int16_t	sector_size;	/*   5 */
70 	u_int16_t	nsectors;	/*   6 */
71 	u_int16_t	reserved2[3];	/*   7 vendor unique */
72 	u_int8_t	serial[20];	/*  10 */
73 	u_int16_t	buffer_type;	/*  20 */
74 	u_int16_t	buffer_size;	/*  21 */
75 	u_int16_t	ecc;		/*  22 */
76 	u_int8_t	firmware[8];	/*  23 */
77 	u_int8_t	model[40];	/*  27 */
78 	u_int16_t	multi;		/*  47 */
79 	u_int16_t	dwcap;		/*  48 */
80 	u_int16_t	cap;		/*  49 */
81 	u_int16_t	reserved3;	/*  50 */
82 	u_int16_t	piomode;	/*  51 */
83 	u_int16_t	dmamode;	/*  52 */
84 	u_int16_t	validinfo;	/*  53 */
85 	u_int16_t	curcyls;	/*  54 */
86 	u_int16_t	curheads;	/*  55 */
87 	u_int16_t	cursectrk;	/*  56 */
88 	u_int16_t	curseccp[2];	/*  57 */
89 	u_int16_t	mult2;		/*  59 */
90 	u_int16_t	addrsec[2];	/*  60 */
91 	u_int16_t	worddma;	/*  62 */
92 	u_int16_t	dworddma;	/*  63 */
93 	u_int16_t	advpiomode;	/*  64 */
94 	u_int16_t	minmwdma;	/*  65 */
95 	u_int16_t	recmwdma;	/*  66 */
96 	u_int16_t	minpio;		/*  67 */
97 	u_int16_t	minpioflow;	/*  68 */
98 	u_int16_t       support3;	/*  69 */
99 #define ATA_SUPPORT_RZAT                0x0020
100 #define ATA_SUPPORT_DRAT                0x4000
101 	u_int16_t	reserved4;	/*  70 */
102 	u_int16_t	typtime[2];	/*  71 */
103 	u_int16_t	reserved5[2];	/*  73 */
104 	u_int16_t	qdepth;		/*  75 */
105 	u_int16_t	satacap;	/*  76 */
106 	u_int16_t	reserved6;	/*  77 */
107 	u_int16_t	satafsup;	/*  78 */
108 	u_int16_t	satafen;	/*  79 */
109 	u_int16_t	majver;		/*  80 */
110 	u_int16_t	minver;		/*  81 */
111 	u_int16_t	cmdset82;	/*  82 */
112 	u_int16_t	cmdset83;	/*  83 */
113 	u_int16_t	cmdset84;	/*  84 */
114 	u_int16_t	features85;	/*  85 */
115 	u_int16_t	features86;	/*  86 */
116 	u_int16_t	features87;	/*  87 */
117 #define ATA_ID_F87_WWN		(1<<8)
118 	u_int16_t	ultradma;	/*  88 */
119 	u_int16_t	erasetime;	/*  89 */
120 	u_int16_t	erasetimex;	/*  90 */
121 	u_int16_t	apm;		/*  91 */
122 	u_int16_t	masterpw;	/*  92 */
123 	u_int16_t	hwreset;	/*  93 */
124 	u_int16_t	acoustic;	/*  94 */
125 	u_int16_t	stream_min;	/*  95 */
126 	u_int16_t	stream_xfer_d;	/*  96 */
127 	u_int16_t	stream_lat;	/*  97 */
128 	u_int16_t	streamperf[2];	/*  98 */
129 	u_int16_t	addrsecxt[4];	/* 100 */
130 	u_int16_t	stream_xfer_p;	/* 104 */
131 	u_int16_t	max_dsm_blocks;	/* 105 */
132 	u_int16_t	phys_sect_sz;	/* 106 */
133 	u_int16_t	seek_delay;	/* 107 */
134 	u_int16_t	naa_ieee_oui;	/* 108 */
135 	u_int16_t	ieee_oui_uid;	/* 109 */
136 	u_int16_t	uid_mid;	/* 110 */
137 	u_int16_t	uid_low;	/* 111 */
138 	u_int16_t	resv_wwn[4];	/* 112 */
139 	u_int16_t	incits;		/* 116 */
140 	u_int16_t	words_lsec[2];	/* 117 */
141 	u_int16_t	cmdset119;	/* 119 */
142 	u_int16_t	features120;	/* 120 */
143 	u_int16_t	padding2[6];
144 	u_int16_t	rmsn;		/* 127 */
145 	u_int16_t	securestatus;	/* 128 */
146 #define ATA_SECURE_LOCKED		(1<<2)
147 #define ATA_SECURE_FROZEN		(1<<3)
148 	u_int16_t	vendor[31];	/* 129 */
149 	u_int16_t	padding3[9];	/* 160 */
150 	u_int16_t	support_dsm;	/* 169 */
151 #define ATA_SUPPORT_DSM_TRIM            0x0001
152 	u_int16_t	padding5[6];	/* 170 */
153 	u_int16_t	curmedser[30];	/* 176 */
154 	u_int16_t	sctsupport;	/* 206 */
155 	u_int16_t	padding4[48];	/* 207 */
156 	u_int16_t	integrity;	/* 255 */
157 } __packed;
158 
159 /*
160  * IDENTIFY DEVICE data
161  */
162 #define ATA_IDENTIFY_SECURITY		(1 << 1)
163 #define ATA_IDENTIFY_WRITECACHE		(1 << 5)
164 #define ATA_IDENTIFY_LOOKAHEAD		(1 << 6)
165 
166 /*
167  * Frame Information Structures
168  */
169 
170 #define ATA_FIS_LENGTH		20
171 
172 struct ata_fis_h2d {
173 	u_int8_t		type;
174 #define ATA_FIS_TYPE_H2D		0x27
175 	u_int8_t		flags;
176 #define ATA_H2D_FLAGS_CMD		(1<<7)
177 	u_int8_t		command;
178 	u_int8_t		features;
179 #define ATA_H2D_FEATURES_DMA		(1<<0)
180 #define ATA_H2D_FEATURES_DIR		(1<<2)
181 #define ATA_H2D_FEATURES_DIR_READ	(1<<2)
182 #define ATA_H2D_FEATURES_DIR_WRITE	(0<<2)
183 
184 	u_int8_t		lba_low;
185 	u_int8_t		lba_mid;
186 	u_int8_t		lba_high;
187 	u_int8_t		device;
188 #define ATA_H2D_DEVICE_LBA		0x40
189 
190 	u_int8_t		lba_low_exp;
191 	u_int8_t		lba_mid_exp;
192 	u_int8_t		lba_high_exp;
193 	u_int8_t		features_exp;
194 
195 	u_int8_t		sector_count;
196 	u_int8_t		sector_count_exp;
197 	u_int8_t		reserved0;
198 	u_int8_t		control;
199 #define ATA_FIS_CONTROL_SRST	0x04
200 #define ATA_FIS_CONTROL_4BIT	0x08
201 
202 	u_int8_t		reserved1;
203 	u_int8_t		reserved2;
204 	u_int8_t		reserved3;
205 	u_int8_t		reserved4;
206 } __packed;
207 
208 struct ata_fis_d2h {
209 	u_int8_t		type;
210 #define ATA_FIS_TYPE_D2H		0x34
211 	u_int8_t		flags;
212 #define ATA_D2H_FLAGS_INTR		(1<<6)
213 	u_int8_t		status;
214 	u_int8_t		error;
215 
216 	u_int8_t		lba_low;
217 	u_int8_t		lba_mid;
218 	u_int8_t		lba_high;
219 	u_int8_t		device;
220 
221 	u_int8_t		lba_low_exp;
222 	u_int8_t		lba_mid_exp;
223 	u_int8_t		lba_high_exp;
224 	u_int8_t		reserved0;
225 
226 	u_int8_t		sector_count;
227 	u_int8_t		sector_count_exp;
228 	u_int8_t		reserved1;
229 	u_int8_t		reserved2;
230 
231 	u_int8_t		reserved3;
232 	u_int8_t		reserved4;
233 	u_int8_t		reserved5;
234 	u_int8_t		reserved6;
235 } __packed;
236 
237 /*
238  * SATA log page 10h -
239  * looks like a D2H FIS, with errored tag number in first byte.
240  */
241 struct ata_log_page_10h {
242 	struct ata_fis_d2h	err_regs;
243 #define ATA_LOG_10H_TYPE_NOTQUEUED	0x80
244 #define ATA_LOG_10H_TYPE_TAG_MASK	0x1f
245 	u_int8_t		reserved[256 - sizeof(struct ata_fis_d2h)];
246 	u_int8_t		vendor_specific[255];
247 	u_int8_t		checksum;
248 } __packed;
249 
250 /*
251  * SATA registers
252  */
253 
254 #define SATA_SStatus_DET		0x00f
255 #define SATA_SStatus_DET_NODEV		0x000
256 #define SATA_SStatus_DET_NOPHY		0x001
257 #define SATA_SStatus_DET_DEV		0x003
258 #define SATA_SStatus_DET_OFFLINE	0x008
259 
260 #define SATA_SStatus_SPD		0x0f0
261 #define SATA_SStatus_SPD_NONE		0x000
262 #define SATA_SStatus_SPD_1_5		0x010
263 #define SATA_SStatus_SPD_3_0		0x020
264 
265 #define SATA_SStatus_IPM		0xf00
266 #define SATA_SStatus_IPM_NODEV		0x000
267 #define SATA_SStatus_IPM_ACTIVE		0x100
268 #define SATA_SStatus_IPM_PARTIAL	0x200
269 #define SATA_SStatus_IPM_SLUMBER	0x600
270 
271 #define SATA_SIGNATURE_PORT_MULTIPLIER	0x96690101
272 #define SATA_SIGNATURE_ATAPI		0xeb140101
273 #define SATA_SIGNATURE_DISK		0x00000101
274 
275 /*
276  * ATA interface
277  */
278 
279 struct ahci_port;
280 
281 struct ata_port {
282 	struct ata_identify	at_identify;	/* only if ATA_PORT_T_DISK */
283 	struct ahci_port	*at_ahci_port;
284 	int			at_type;
285 #define ATA_PORT_T_NONE			0
286 #define ATA_PORT_T_DISK			1
287 #define ATA_PORT_T_ATAPI		2
288 #define ATA_PORT_T_PM			3
289 	int			at_features;
290 #define ATA_PORT_F_WCACHE		(1 << 0)
291 #define ATA_PORT_F_RAHEAD		(1 << 1)
292 #define ATA_PORT_F_FRZLCK		(1 << 2)
293 #define ATA_PORT_F_RESCAN		(1 << 3) /* re-check on bus scan */
294 	int			at_probe;
295 #define ATA_PROBE_NEED_INIT		0
296 #define ATA_PROBE_NEED_HARD_RESET	1
297 #define ATA_PROBE_NEED_SOFT_RESET	2
298 #define ATA_PROBE_NEED_IDENT		3
299 #define ATA_PROBE_GOOD			4
300 #define ATA_PROBE_FAILED		7
301 	int			at_ncqdepth;
302 	u_int64_t		at_capacity;	/* only if ATA_PORT_T_DISK */
303 	int			at_target;	/* port multiplier port */
304 	char			at_name[16];
305 };
306 
307 struct ata_xfer {
308 	struct ata_fis_h2d	*fis;
309 	struct ata_fis_d2h	rfis;
310 	u_int8_t		*packetcmd;
311 	u_int8_t		tag;
312 
313 	void			*data;
314 	size_t			datalen;
315 	size_t			resid;
316 
317 	void			(*complete)(struct ata_xfer *);
318 	u_int			timeout;
319 	int			serial;		/* detect timeout races */
320 
321 	int			flags;
322 #define ATA_F_READ			(1<<0)
323 #define ATA_F_WRITE			(1<<1)
324 #define ATA_F_NOWAIT			(1<<2)
325 #define ATA_F_POLL			(1<<3)
326 #define ATA_F_PIO			(1<<4)
327 #define ATA_F_PACKET			(1<<5)
328 #define ATA_F_NCQ			(1<<6)
329 #define ATA_F_TIMEOUT_RUNNING		(1<<7)
330 #define ATA_F_TIMEOUT_DESIRED		(1<<8)
331 #define ATA_F_TIMEOUT_EXPIRED		(1<<9)
332 #define ATA_F_AUTOSENSE			(1<<10)
333 #define ATA_F_EXCLUSIVE			(1<<11)
334 #define ATA_F_SILENT			(1<<12)
335 #define ATA_FMT_FLAGS			"\020" 				\
336 					"\015SILENT"			\
337 					"\014EXCLUSIVE"			\
338 					"\013AUTOSENSE"			\
339 					"\012EXPIRED"			\
340 					"\011DESIRED" "\010TRUNNING"	\
341 					"\007NCQ" "\006PACKET"		\
342 					"\005PIO" "\004POLL" "\003NOWAIT" \
343 					"\002WRITE" "\001READ"
344 
345 	volatile int		state;
346 #define ATA_S_SETUP			0
347 #define ATA_S_PENDING			1
348 #define ATA_S_COMPLETE			2
349 #define ATA_S_ERROR			3
350 #define ATA_S_TIMEOUT			4
351 #define ATA_S_ONCHIP			5
352 #define ATA_S_PUT			6
353 
354 	void			*atascsi_private;
355 	struct ata_port         *at;	/* NULL if direct-attached */
356 };
357 
358