xref: /dragonfly/sys/dev/disk/sili/atascsi.h (revision 0ca59c34)
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_SATA_FEATURE_ENA	0x10
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_SATA_FEATURE_DIS	0x90
33 #define ATA_C_PACKET		0xa0
34 #define ATA_C_ATAPI_IDENTIFY	0xa1
35 #define ATA_C_READDMA		0xc8
36 #define ATA_C_WRITEDMA		0xca
37 #define ATA_C_READ_PM		0xe4
38 #define ATA_C_WRITE_PM		0xe8
39 #define ATA_C_FLUSH_CACHE	0xe7
40 #define ATA_C_FLUSH_CACHE_EXT	0xea /* lba48 */
41 #define ATA_C_IDENTIFY		0xec
42 #define ATA_C_SET_FEATURES	0xef
43 #define ATA_C_SEC_FREEZE_LOCK	0xf5
44 
45 /*
46  * ATA SATA FEATURES subcommands
47  */
48 #define ATA_SATAFT_NONZDMA	0x01	/* DMA non-zero buffer offset */
49 #define ATA_SATAFT_DMAAAOPT	0x02	/* DMA AA optimization */
50 #define ATA_SATAFT_DEVIPS	0x03	/* Device-initiated pwr state*/
51 #define ATA_SATAFT_INORDER	0x04	/* in-order data delivery */
52 #define ATA_SATAFT_ASYNCNOTIFY	0x05	/* Async notification */
53 
54 /*
55  * ATA SET FEATURES subcommands
56  */
57 #define ATA_SF_WRITECACHE_EN	0x02
58 #define ATA_SF_SETXFER		0x03
59 #define ATA_SF_LOOKAHEAD_EN	0xaa
60 
61 struct ata_identify {
62 	u_int16_t	config;		/*   0 */
63 	u_int16_t	ncyls;		/*   1 */
64 	u_int16_t	reserved1;	/*   2 */
65 	u_int16_t	nheads;		/*   3 */
66 	u_int16_t	track_size;	/*   4 */
67 	u_int16_t	sector_size;	/*   5 */
68 	u_int16_t	nsectors;	/*   6 */
69 	u_int16_t	reserved2[3];	/*   7 vendor unique */
70 	u_int8_t	serial[20];	/*  10 */
71 	u_int16_t	buffer_type;	/*  20 */
72 	u_int16_t	buffer_size;	/*  21 */
73 	u_int16_t	ecc;		/*  22 */
74 	u_int8_t	firmware[8];	/*  23 */
75 	u_int8_t	model[40];	/*  27 */
76 	u_int16_t	multi;		/*  47 */
77 	u_int16_t	dwcap;		/*  48 */
78 	u_int16_t	cap;		/*  49 */
79 	u_int16_t	reserved3;	/*  50 */
80 	u_int16_t	piomode;	/*  51 */
81 	u_int16_t	dmamode;	/*  52 */
82 	u_int16_t	validinfo;	/*  53 */
83 	u_int16_t	curcyls;	/*  54 */
84 	u_int16_t	curheads;	/*  55 */
85 	u_int16_t	cursectrk;	/*  56 */
86 	u_int16_t	curseccp[2];	/*  57 */
87 	u_int16_t	mult2;		/*  59 */
88 	u_int16_t	addrsec[2];	/*  60 */
89 	u_int16_t	worddma;	/*  62 */
90 	u_int16_t	dworddma;	/*  63 */
91 	u_int16_t	advpiomode;	/*  64 */
92 	u_int16_t	minmwdma;	/*  65 */
93 	u_int16_t	recmwdma;	/*  66 */
94 	u_int16_t	minpio;		/*  67 */
95 	u_int16_t	minpioflow;	/*  68 */
96 	u_int16_t	reserved4[2];	/*  69 */
97 	u_int16_t	typtime[2];	/*  71 */
98 	u_int16_t	reserved5[2];	/*  73 */
99 	u_int16_t	qdepth;		/*  75 */
100 	u_int16_t	satacap;	/*  76 */
101 	u_int16_t	reserved6;	/*  77 */
102 	u_int16_t	satafsup;	/*  78 */
103 	u_int16_t	satafen;	/*  79 */
104 	u_int16_t	majver;		/*  80 */
105 	u_int16_t	minver;		/*  81 */
106 	u_int16_t	cmdset82;	/*  82 */
107 	u_int16_t	cmdset83;	/*  83 */
108 	u_int16_t	cmdset84;	/*  84 */
109 	u_int16_t	features85;	/*  85 */
110 	u_int16_t	features86;	/*  86 */
111 	u_int16_t	features87;	/*  87 */
112 #define ATA_ID_F87_WWN		(1<<8)
113 	u_int16_t	ultradma;	/*  88 */
114 	u_int16_t	erasetime;	/*  89 */
115 	u_int16_t	erasetimex;	/*  90 */
116 	u_int16_t	apm;		/*  91 */
117 	u_int16_t	masterpw;	/*  92 */
118 	u_int16_t	hwreset;	/*  93 */
119 	u_int16_t	acoustic;	/*  94 */
120 	u_int16_t	stream_min;	/*  95 */
121 	u_int16_t	stream_xfer_d;	/*  96 */
122 	u_int16_t	stream_lat;	/*  97 */
123 	u_int16_t	streamperf[2];	/*  98 */
124 	u_int16_t	addrsecxt[4];	/* 100 */
125 	u_int16_t	stream_xfer_p;	/* 104 */
126 	u_int16_t	padding1;	/* 105 */
127 	u_int16_t	phys_sect_sz;	/* 106 */
128 	u_int16_t	seek_delay;	/* 107 */
129 	u_int16_t	naa_ieee_oui;	/* 108 */
130 	u_int16_t	ieee_oui_uid;	/* 109 */
131 	u_int16_t	uid_mid;	/* 110 */
132 	u_int16_t	uid_low;	/* 111 */
133 	u_int16_t	resv_wwn[4];	/* 112 */
134 	u_int16_t	incits;		/* 116 */
135 	u_int16_t	words_lsec[2];	/* 117 */
136 	u_int16_t	cmdset119;	/* 119 */
137 	u_int16_t	features120;	/* 120 */
138 	u_int16_t	padding2[6];
139 	u_int16_t	rmsn;		/* 127 */
140 	u_int16_t	securestatus;	/* 128 */
141 #define ATA_SECURE_LOCKED		(1<<2)
142 #define ATA_SECURE_FROZEN		(1<<3)
143 	u_int16_t	vendor[31];	/* 129 */
144 	u_int16_t	padding3[16];	/* 160 */
145 	u_int16_t	curmedser[30];	/* 176 */
146 	u_int16_t	sctsupport;	/* 206 */
147 	u_int16_t	padding4[48];	/* 207 */
148 	u_int16_t	integrity;	/* 255 */
149 } __packed;
150 
151 /*
152  * IDENTIFY DEVICE data
153  */
154 #define ATA_IDENTIFY_SECURITY		(1 << 1)
155 #define ATA_IDENTIFY_WRITECACHE		(1 << 5)
156 #define ATA_IDENTIFY_LOOKAHEAD		(1 << 6)
157 
158 /*
159  * Frame Information Structures
160  */
161 
162 #define ATA_FIS_LENGTH		20
163 
164 struct ata_fis_h2d {
165 	u_int8_t		type;
166 #define ATA_FIS_TYPE_H2D		0x27
167 	u_int8_t		flags;
168 #define ATA_H2D_FLAGS_CMD		(1<<7)
169 	u_int8_t		command;
170 	u_int8_t		features;
171 #define ATA_H2D_FEATURES_DMA		(1<<0)
172 #define ATA_H2D_FEATURES_DIR		(1<<2)
173 #define ATA_H2D_FEATURES_DIR_READ	(1<<2)
174 #define ATA_H2D_FEATURES_DIR_WRITE	(0<<2)
175 
176 	u_int8_t		lba_low;
177 	u_int8_t		lba_mid;
178 	u_int8_t		lba_high;
179 	u_int8_t		device;
180 #define ATA_H2D_DEVICE_LBA		0x40
181 
182 	u_int8_t		lba_low_exp;
183 	u_int8_t		lba_mid_exp;
184 	u_int8_t		lba_high_exp;
185 	u_int8_t		features_exp;
186 
187 	u_int8_t		sector_count;
188 	u_int8_t		sector_count_exp;
189 	u_int8_t		reserved0;
190 	u_int8_t		control;
191 #define ATA_FIS_CONTROL_SRST	0x04
192 #define ATA_FIS_CONTROL_4BIT	0x08
193 
194 	u_int8_t		reserved1;
195 	u_int8_t		reserved2;
196 	u_int8_t		reserved3;
197 	u_int8_t		reserved4;
198 } __packed;
199 
200 struct ata_fis_d2h {
201 	u_int8_t		type;
202 #define ATA_FIS_TYPE_D2H		0x34
203 	u_int8_t		flags;
204 #define ATA_D2H_FLAGS_INTR		(1<<6)
205 	u_int8_t		status;
206 	u_int8_t		error;
207 
208 	u_int8_t		lba_low;
209 	u_int8_t		lba_mid;
210 	u_int8_t		lba_high;
211 	u_int8_t		device;
212 
213 	u_int8_t		lba_low_exp;
214 	u_int8_t		lba_mid_exp;
215 	u_int8_t		lba_high_exp;
216 	u_int8_t		reserved0;
217 
218 	u_int8_t		sector_count;
219 	u_int8_t		sector_count_exp;
220 	u_int8_t		reserved1;
221 	u_int8_t		reserved2;
222 
223 	u_int8_t		reserved3;
224 	u_int8_t		reserved4;
225 	u_int8_t		reserved5;
226 	u_int8_t		reserved6;
227 } __packed;
228 
229 /*
230  * SATA log page 10h -
231  * looks like a D2H FIS, with errored tag number in first byte.
232  */
233 struct ata_log_page_10h {
234 	struct ata_fis_d2h	err_regs;
235 #define ATA_LOG_10H_TYPE_NOTQUEUED	0x80
236 #define ATA_LOG_10H_TYPE_TAG_MASK	0x1f
237 	u_int8_t		reserved[256 - sizeof(struct ata_fis_d2h)];
238 	u_int8_t		vendor_specific[255];
239 	u_int8_t		checksum;
240 } __packed;
241 
242 /*
243  * SATA registers
244  */
245 
246 #define SATA_SStatus_DET		0x00f
247 #define SATA_SStatus_DET_NODEV		0x000
248 #define SATA_SStatus_DET_NOPHY		0x001
249 #define SATA_SStatus_DET_DEV		0x003
250 #define SATA_SStatus_DET_OFFLINE	0x008
251 
252 #define SATA_SStatus_SPD		0x0f0
253 #define SATA_SStatus_SPD_NONE		0x000
254 #define SATA_SStatus_SPD_1_5		0x010
255 #define SATA_SStatus_SPD_3_0		0x020
256 
257 #define SATA_SStatus_IPM		0xf00
258 #define SATA_SStatus_IPM_NODEV		0x000
259 #define SATA_SStatus_IPM_ACTIVE		0x100
260 #define SATA_SStatus_IPM_PARTIAL	0x200
261 #define SATA_SStatus_IPM_SLUMBER	0x600
262 
263 #define SATA_SIGNATURE_PORT_MULTIPLIER	0x96690101
264 #define SATA_SIGNATURE_ATAPI		0xeb140101
265 #define SATA_SIGNATURE_DISK		0x00000101
266 
267 /*
268  * ATA interface
269  */
270 
271 struct sili_port;
272 
273 struct ata_port {
274 	struct ata_identify	at_identify;	/* only if ATA_PORT_T_DISK */
275 	struct sili_port	*at_sili_port;
276 	int			at_type;
277 #define ATA_PORT_T_NONE			0
278 #define ATA_PORT_T_DISK			1
279 #define ATA_PORT_T_ATAPI		2
280 #define ATA_PORT_T_PM			3
281 	int			at_features;
282 #define ATA_PORT_F_WCACHE		(1 << 0)
283 #define ATA_PORT_F_RAHEAD		(1 << 1)
284 #define ATA_PORT_F_FRZLCK		(1 << 2)
285 #define ATA_PORT_F_RESCAN		(1 << 3) /* re-check on bus scan */
286 #define ATA_PORT_F_READLOG		(1 << 4) /* must read log page */
287 	int			at_probe;
288 #define ATA_PROBE_NEED_INIT		0
289 #define ATA_PROBE_NEED_HARD_RESET	1
290 #define ATA_PROBE_NEED_SOFT_RESET	2
291 #define ATA_PROBE_NEED_IDENT		3
292 #define ATA_PROBE_GOOD			4
293 #define ATA_PROBE_FAILED		7
294 	int			at_ncqdepth;
295 	u_int64_t		at_capacity;	/* only if ATA_PORT_T_DISK */
296 	int			at_target;	/* port multiplier port */
297 	char			at_name[16];
298 };
299 
300 struct ata_xfer {
301 	struct ata_fis_h2d	*fis;
302 	struct ata_fis_d2h	*rfis;
303 	u_int8_t		*packetcmd;
304 	u_int8_t		tag;
305 
306 	void			*data;
307 	size_t			datalen;
308 	size_t			resid;
309 
310 	void			(*complete)(struct ata_xfer *);
311 	u_int			timeout;
312 	int			serial;		/* detect timeout races */
313 
314 	int			flags;
315 #define ATA_F_READ			(1<<0)
316 #define ATA_F_WRITE			(1<<1)
317 #define ATA_F_NOWAIT			(1<<2)
318 #define ATA_F_POLL			(1<<3)
319 #define ATA_F_PIO			(1<<4)
320 #define ATA_F_PACKET			(1<<5)
321 #define ATA_F_NCQ			(1<<6)
322 #define ATA_F_TIMEOUT_RUNNING		(1<<7)
323 #define ATA_F_TIMEOUT_DESIRED		(1<<8)
324 #define ATA_F_TIMEOUT_EXPIRED		(1<<9)
325 #define ATA_F_AUTOSENSE			(1<<10)
326 #define ATA_F_EXCLUSIVE			(1<<11)
327 #define ATA_FMT_FLAGS			"\020" 				\
328 					"\014EXCLUSIVE"			\
329 					"\013AUTOSENSE"			\
330 					"\012EXPIRED"			\
331 					"\011DESIRED" "\010TRUNNING"	\
332 					"\007NCQ" "\006PACKET"		\
333 					"\005PIO" "\004POLL" "\003NOWAIT" \
334 					"\002WRITE" "\001READ"
335 
336 	volatile int		state;
337 #define ATA_S_SETUP			0
338 #define ATA_S_PENDING			1
339 #define ATA_S_COMPLETE			2
340 #define ATA_S_ERROR			3
341 #define ATA_S_TIMEOUT			4
342 #define ATA_S_ONCHIP			5
343 #define ATA_S_PUT			6
344 
345 	void			*atascsi_private;
346 	struct ata_port         *at;	/* NULL if direct-attached */
347 };
348