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1.1 nbrk 1: /* $OpenBSD: atascsi.h,v 1.25 2007/04/12 13:08:34 jsg Exp $ */
2:
3: /*
4: * Copyright (c) 2007 David Gwynne <dlg@openbsd.org>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: struct atascsi;
20:
21: /*
22: * ATA commands
23: */
24:
25: #define ATA_C_READDMA_EXT 0x25
26: #define ATA_C_READ_LOG_EXT 0x2f
27: #define ATA_C_WRITEDMA_EXT 0x35
28: #define ATA_C_READ_FPDMA 0x60
29: #define ATA_C_WRITE_FPDMA 0x61
30: #define ATA_C_PACKET 0xa0
31: #define ATA_C_READDMA 0xc8
32: #define ATA_C_WRITEDMA 0xca
33: #define ATA_C_FLUSH_CACHE 0xe7
34: #define ATA_C_FLUSH_CACHE_EXT 0xea /* lba48 */
35: #define ATA_C_IDENTIFY 0xec
36: #define ATA_C_SEC_FREEZE_LOCK 0xf5
37:
38: struct ata_identify {
39: u_int16_t config; /* 0 */
40: u_int16_t ncyls; /* 1 */
41: u_int16_t reserved1; /* 2 */
42: u_int16_t nheads; /* 3 */
43: u_int16_t track_size; /* 4 */
44: u_int16_t sector_size; /* 5 */
45: u_int16_t nsectors; /* 6 */
46: u_int16_t reserved2[3]; /* 7 vendor unique */
47: u_int8_t serial[20]; /* 10 */
48: u_int16_t buffer_type; /* 20 */
49: u_int16_t buffer_size; /* 21 */
50: u_int16_t ecc; /* 22 */
51: u_int8_t firmware[8]; /* 23 */
52: u_int8_t model[40]; /* 27 */
53: u_int16_t multi; /* 47 */
54: u_int16_t dwcap; /* 48 */
55: u_int16_t cap; /* 49 */
56: u_int16_t reserved3; /* 50 */
57: u_int16_t piomode; /* 51 */
58: u_int16_t dmamode; /* 52 */
59: u_int16_t validinfo; /* 53 */
60: u_int16_t curcyls; /* 54 */
61: u_int16_t curheads; /* 55 */
62: u_int16_t cursectrk; /* 56 */
63: u_int16_t curseccp[2]; /* 57 */
64: u_int16_t mult2; /* 59 */
65: u_int16_t addrsec[2]; /* 60 */
66: u_int16_t worddma; /* 62 */
67: u_int16_t dworddma; /* 63 */
68: u_int16_t advpiomode; /* 64 */
69: u_int16_t minmwdma; /* 65 */
70: u_int16_t recmwdma; /* 66 */
71: u_int16_t minpio; /* 67 */
72: u_int16_t minpioflow; /* 68 */
73: u_int16_t reserved4[2]; /* 69 */
74: u_int16_t typtime[2]; /* 71 */
75: u_int16_t reserved5[2]; /* 73 */
76: u_int16_t qdepth; /* 75 */
77: u_int16_t satacap; /* 76 */
78: u_int16_t reserved6; /* 77 */
79: u_int16_t satafsup; /* 78 */
80: u_int16_t satafen; /* 79 */
81: u_int16_t majver; /* 80 */
82: u_int16_t minver; /* 81 */
83: u_int16_t cmdset82; /* 82 */
84: u_int16_t cmdset83; /* 83 */
85: u_int16_t cmdset84; /* 84 */
86: u_int16_t features85; /* 85 */
87: u_int16_t features86; /* 86 */
88: u_int16_t features87; /* 87 */
89: u_int16_t ultradma; /* 88 */
90: u_int16_t erasetime; /* 89 */
91: u_int16_t erasetimex; /* 90 */
92: u_int16_t apm; /* 91 */
93: u_int16_t masterpw; /* 92 */
94: u_int16_t hwreset; /* 93 */
95: u_int16_t acoustic; /* 94 */
96: u_int16_t stream_min; /* 95 */
97: u_int16_t stream_xfer_d; /* 96 */
98: u_int16_t stream_lat; /* 97 */
99: u_int16_t streamperf[2]; /* 98 */
100: u_int16_t addrsecxt[4]; /* 100 */
101: u_int16_t stream_xfer_p; /* 104 */
102: u_int16_t padding1; /* 105 */
103: u_int16_t phys_sect_sz; /* 106 */
104: u_int16_t seek_delay; /* 107 */
105: u_int16_t naa_ieee_oui; /* 108 */
106: u_int16_t ieee_oui_uid; /* 109 */
107: u_int16_t uid_mid; /* 110 */
108: u_int16_t uid_low; /* 111 */
109: u_int16_t resv_wwn[4]; /* 112 */
110: u_int16_t incits; /* 116 */
111: u_int16_t words_lsec[2]; /* 117 */
112: u_int16_t cmdset119; /* 119 */
113: u_int16_t features120; /* 120 */
114: u_int16_t padding2[6];
115: u_int16_t rmsn; /* 127 */
116: u_int16_t securestatus; /* 128 */
117: u_int16_t vendor[31]; /* 129 */
118: u_int16_t padding3[16]; /* 160 */
119: u_int16_t curmedser[30]; /* 176 */
120: u_int16_t sctsupport; /* 206 */
121: u_int16_t padding4[48]; /* 207 */
122: u_int16_t integrity; /* 255 */
123: } __packed;
124:
125: /*
126: * Frame Information Structures
127: */
128:
129: #define ATA_FIS_LENGTH 20
130:
131: struct ata_fis_h2d {
132: u_int8_t type;
133: #define ATA_FIS_TYPE_H2D 0x27
134: u_int8_t flags;
135: #define ATA_H2D_FLAGS_CMD (1<<7)
136: u_int8_t command;
137: u_int8_t features;
138: #define ATA_H2D_FEATURES_DMA (1<<0)
139: #define ATA_H2D_FEATURES_DIR (1<<2)
140: #define ATA_H2D_FEATURES_DIR_READ (1<<2)
141: #define ATA_H2D_FEATURES_DIR_WRITE (0<<2)
142:
143: u_int8_t lba_low;
144: u_int8_t lba_mid;
145: u_int8_t lba_high;
146: u_int8_t device;
147: #define ATA_H2D_DEVICE_LBA 0x40
148:
149: u_int8_t lba_low_exp;
150: u_int8_t lba_mid_exp;
151: u_int8_t lba_high_exp;
152: u_int8_t features_exp;
153:
154: u_int8_t sector_count;
155: u_int8_t sector_count_exp;
156: u_int8_t reserved0;
157: u_int8_t control;
158:
159: u_int8_t reserved1;
160: u_int8_t reserved2;
161: u_int8_t reserved3;
162: u_int8_t reserved4;
163: } __packed;
164:
165: struct ata_fis_d2h {
166: u_int8_t type;
167: #define ATA_FIS_TYPE_D2H 0x34
168: u_int8_t flags;
169: #define ATA_D2H_FLAGS_INTR (1<<6)
170: u_int8_t status;
171: u_int8_t error;
172:
173: u_int8_t lba_low;
174: u_int8_t lba_mid;
175: u_int8_t lba_high;
176: u_int8_t device;
177:
178: u_int8_t lba_low_exp;
179: u_int8_t lba_mid_exp;
180: u_int8_t lba_high_exp;
181: u_int8_t reserved0;
182:
183: u_int8_t sector_count;
184: u_int8_t sector_count_exp;
185: u_int8_t reserved1;
186: u_int8_t reserved2;
187:
188: u_int8_t reserved3;
189: u_int8_t reserved4;
190: u_int8_t reserved5;
191: u_int8_t reserved6;
192: } __packed;
193:
194: /*
195: * SATA log page 10h -
196: * looks like a D2H FIS, with errored tag number in first byte.
197: */
198: struct ata_log_page_10h {
199: struct ata_fis_d2h err_regs;
200: #define ATA_LOG_10H_TYPE_NOTQUEUED 0x80
201: #define ATA_LOG_10H_TYPE_TAG_MASK 0x1f
202: u_int8_t reserved[256 - sizeof(struct ata_fis_d2h)];
203: u_int8_t vendor_specific[255];
204: u_int8_t checksum;
205: } __packed;
206:
207: /*
208: * SATA registers
209: */
210:
211: #define SATA_SStatus_DET 0x00f
212: #define SATA_SStatus_DET_NODEV 0x000
213: #define SATA_SStatus_DET_NOPHY 0x001
214: #define SATA_SStatus_DET_DEV 0x003
215: #define SATA_SStatus_DET_OFFLINE 0x008
216:
217: #define SATA_SStatus_SPD 0x0f0
218: #define SATA_SStatus_SPD_NONE 0x000
219: #define SATA_SStatus_SPD_1_5 0x010
220: #define SATA_SStatus_SPD_3_0 0x020
221:
222: #define SATA_SStatus_IPM 0xf00
223: #define SATA_SStatus_IPM_NODEV 0x000
224: #define SATA_SStatus_IPM_ACTIVE 0x100
225: #define SATA_SStatus_IPM_PARTIAL 0x200
226: #define SATA_SStatus_IPM_SLUMBER 0x600
227:
228: #define SATA_SIGNATURE_PORT_MULTIPLIER 0x96690101
229: #define SATA_SIGNATURE_ATAPI 0xeb140101
230: #define SATA_SIGNATURE_DISK 0x00000101
231:
232: /*
233: * ATA interface
234: */
235:
236: struct ata_port {
237: struct atascsi *ap_as;
238: int ap_port;
239: int ap_type;
240: #define ATA_PORT_T_NONE 0
241: #define ATA_PORT_T_DISK 1
242: #define ATA_PORT_T_ATAPI 2
243: int ap_features;
244: #define ATA_PORT_F_PROBED (1 << 0)
245: int ap_ncqdepth;
246: };
247:
248: struct ata_xfer {
249: struct ata_fis_h2d *fis;
250: struct ata_fis_d2h rfis;
251: u_int8_t *packetcmd;
252: u_int8_t tag;
253:
254: u_int8_t *data;
255: size_t datalen;
256: size_t resid;
257:
258: void (*complete)(struct ata_xfer *);
259: struct timeout stimeout;
260: u_int timeout;
261:
262: int flags;
263: #define ATA_F_READ (1<<0)
264: #define ATA_F_WRITE (1<<1)
265: #define ATA_F_NOWAIT (1<<2)
266: #define ATA_F_POLL (1<<3)
267: #define ATA_F_PIO (1<<4)
268: #define ATA_F_PACKET (1<<5)
269: #define ATA_F_NCQ (1<<6)
270: volatile int state;
271: #define ATA_S_SETUP 0
272: #define ATA_S_PENDING 1
273: #define ATA_S_COMPLETE 2
274: #define ATA_S_ERROR 3
275: #define ATA_S_TIMEOUT 4
276: #define ATA_S_ONCHIP 5
277: #define ATA_S_PUT 6
278:
279: void *atascsi_private;
280:
281: void (*ata_put_xfer)(struct ata_xfer *);
282: };
283:
284: #define ATA_QUEUED 0
285: #define ATA_COMPLETE 1
286: #define ATA_ERROR 2
287:
288: /*
289: * atascsi
290: */
291:
292: struct atascsi_methods {
293: int (*probe)(void *, int);
294: struct ata_xfer * (*ata_get_xfer)(void *, int );
295: int (*ata_cmd)(struct ata_xfer *);
296: };
297:
298: struct atascsi_attach_args {
299: void *aaa_cookie;
300:
301: struct atascsi_methods *aaa_methods;
302: void (*aaa_minphys)(struct buf *);
303: int aaa_nports;
304: int aaa_ncmds;
305: int aaa_capability;
306: #define ASAA_CAP_NCQ (1 << 0)
307: #define ASAA_CAP_NEEDS_RESERVED (1 << 1)
308: };
309:
310: struct atascsi *atascsi_attach(struct device *, struct atascsi_attach_args *);
311: int atascsi_detach(struct atascsi *);
312:
313: int atascsi_probe_dev(struct atascsi *, int);
314: int atascsi_detach_dev(struct atascsi *, int);