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1.1 root 1: /*
2: * this header holds data structures as dictated by spec
3: */
4: #ifndef HDREG_H
5: #define HDREG_H
6:
7: struct hd_driveid {
8: unsigned short config; /* lots of obsolete bit flags */
9: unsigned short cyls; /* Obsolete, "physical" cyls */
10: unsigned short reserved2; /* reserved (word 2) */
11: unsigned short heads; /* Obsolete, "physical" heads */
12: unsigned short track_bytes; /* unformatted bytes per track */
13: unsigned short sector_bytes; /* unformatted bytes per sector */
14: unsigned short sectors; /* Obsolete, "physical" sectors per track */
15: unsigned short vendor0; /* vendor unique */
16: unsigned short vendor1; /* vendor unique */
17: unsigned short vendor2; /* Retired vendor unique */
18: unsigned char serial_no[20]; /* 0 = not_specified */
19: unsigned short buf_type; /* Retired */
20: unsigned short buf_size; /* Retired, 512 byte increments
21: * 0 = not_specified
22: */
23: unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */
24: unsigned char fw_rev[8]; /* 0 = not_specified */
25: unsigned char model[40]; /* 0 = not_specified */
26: unsigned char max_multsect; /* 0=not_implemented */
27: unsigned char vendor3; /* vendor unique */
28: unsigned short dword_io; /* 0=not_implemented; 1=implemented */
29: unsigned char vendor4; /* vendor unique */
30: unsigned char capability; /* (upper byte of word 49)
31: * 3: IORDYsup
32: * 2: IORDYsw
33: * 1: LBA
34: * 0: DMA
35: */
36: unsigned short reserved50; /* reserved (word 50) */
37: unsigned char vendor5; /* Obsolete, vendor unique */
38: unsigned char tPIO; /* Obsolete, 0=slow, 1=medium, 2=fast */
39: unsigned char vendor6; /* Obsolete, vendor unique */
40: unsigned char tDMA; /* Obsolete, 0=slow, 1=medium, 2=fast */
41: unsigned short field_valid; /* (word 53)
42: * 2: ultra_ok word 88
43: * 1: eide_ok words 64-70
44: * 0: cur_ok words 54-58
45: */
46: unsigned short cur_cyls; /* Obsolete, logical cylinders */
47: unsigned short cur_heads; /* Obsolete, l heads */
48: unsigned short cur_sectors; /* Obsolete, l sectors per track */
49: unsigned short cur_capacity0; /* Obsolete, l total sectors on drive */
50: unsigned short cur_capacity1; /* Obsolete, (2 words, misaligned int) */
51: unsigned char multsect; /* current multiple sector count */
52: unsigned char multsect_valid; /* when (bit0==1) multsect is ok */
53: unsigned int lba_capacity; /* Obsolete, total number of sectors */
54: unsigned short dma_1word; /* Obsolete, single-word dma info */
55: unsigned short dma_mword; /* multiple-word dma info */
56: unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */
57: unsigned short eide_dma_min; /* min mword dma cycle time (ns) */
58: unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */
59: unsigned short eide_pio; /* min cycle time (ns), no IORDY */
60: unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */
61: unsigned short words69_70[2]; /* reserved words 69-70
62: * future command overlap and queuing
63: */
64: /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
65: unsigned short words71_74[4]; /* reserved words 71-74
66: * for IDENTIFY PACKET DEVICE command
67: */
68: unsigned short queue_depth; /* (word 75)
69: * 15:5 reserved
70: * 4:0 Maximum queue depth -1
71: */
72: unsigned short words76_79[4]; /* reserved words 76-79 */
73: unsigned short major_rev_num; /* (word 80) */
74: unsigned short minor_rev_num; /* (word 81) */
75: unsigned short command_set_1; /* (word 82) supported
76: * 15: Obsolete
77: * 14: NOP command
78: * 13: READ_BUFFER
79: * 12: WRITE_BUFFER
80: * 11: Obsolete
81: * 10: Host Protected Area
82: * 9: DEVICE Reset
83: * 8: SERVICE Interrupt
84: * 7: Release Interrupt
85: * 6: look-ahead
86: * 5: write cache
87: * 4: PACKET Command
88: * 3: Power Management Feature Set
89: * 2: Removable Feature Set
90: * 1: Security Feature Set
91: * 0: SMART Feature Set
92: */
93: unsigned short command_set_2; /* (word 83)
94: * 15: Shall be ZERO
95: * 14: Shall be ONE
96: * 13: FLUSH CACHE EXT
97: * 12: FLUSH CACHE
98: * 11: Device Configuration Overlay
99: * 10: 48-bit Address Feature Set
100: * 9: Automatic Acoustic Management
101: * 8: SET MAX security
102: * 7: reserved 1407DT PARTIES
103: * 6: SetF sub-command Power-Up
104: * 5: Power-Up in Standby Feature Set
105: * 4: Removable Media Notification
106: * 3: APM Feature Set
107: * 2: CFA Feature Set
108: * 1: READ/WRITE DMA QUEUED
109: * 0: Download MicroCode
110: */
111: unsigned short cfsse; /* (word 84)
112: * cmd set-feature supported extensions
113: * 15: Shall be ZERO
114: * 14: Shall be ONE
115: * 13:6 reserved
116: * 5: General Purpose Logging
117: * 4: Streaming Feature Set
118: * 3: Media Card Pass Through
119: * 2: Media Serial Number Valid
120: * 1: SMART selt-test supported
121: * 0: SMART error logging
122: */
123: unsigned short cfs_enable_1; /* (word 85)
124: * command set-feature enabled
125: * 15: Obsolete
126: * 14: NOP command
127: * 13: READ_BUFFER
128: * 12: WRITE_BUFFER
129: * 11: Obsolete
130: * 10: Host Protected Area
131: * 9: DEVICE Reset
132: * 8: SERVICE Interrupt
133: * 7: Release Interrupt
134: * 6: look-ahead
135: * 5: write cache
136: * 4: PACKET Command
137: * 3: Power Management Feature Set
138: * 2: Removable Feature Set
139: * 1: Security Feature Set
140: * 0: SMART Feature Set
141: */
142: unsigned short cfs_enable_2; /* (word 86)
143: * command set-feature enabled
144: * 15: Shall be ZERO
145: * 14: Shall be ONE
146: * 13: FLUSH CACHE EXT
147: * 12: FLUSH CACHE
148: * 11: Device Configuration Overlay
149: * 10: 48-bit Address Feature Set
150: * 9: Automatic Acoustic Management
151: * 8: SET MAX security
152: * 7: reserved 1407DT PARTIES
153: * 6: SetF sub-command Power-Up
154: * 5: Power-Up in Standby Feature Set
155: * 4: Removable Media Notification
156: * 3: APM Feature Set
157: * 2: CFA Feature Set
158: * 1: READ/WRITE DMA QUEUED
159: * 0: Download MicroCode
160: */
161: unsigned short csf_default; /* (word 87)
162: * command set-feature default
163: * 15: Shall be ZERO
164: * 14: Shall be ONE
165: * 13:6 reserved
166: * 5: General Purpose Logging enabled
167: * 4: Valid CONFIGURE STREAM executed
168: * 3: Media Card Pass Through enabled
169: * 2: Media Serial Number Valid
170: * 1: SMART selt-test supported
171: * 0: SMART error logging
172: */
173: unsigned short dma_ultra; /* (word 88) */
174: unsigned short trseuc; /* time required for security erase */
175: unsigned short trsEuc; /* time required for enhanced erase */
176: unsigned short CurAPMvalues; /* current APM values */
177: unsigned short mprc; /* master password revision code */
178: unsigned short hw_config; /* hardware config (word 93)
179: * 15: Shall be ZERO
180: * 14: Shall be ONE
181: * 13:
182: * 12:
183: * 11:
184: * 10:
185: * 9:
186: * 8:
187: * 7:
188: * 6:
189: * 5:
190: * 4:
191: * 3:
192: * 2:
193: * 1:
194: * 0: Shall be ONE
195: */
196: unsigned short acoustic; /* (word 94)
197: * 15:8 Vendor's recommended value
198: * 7:0 current value
199: */
200: unsigned short msrqs; /* min stream request size */
201: unsigned short sxfert; /* stream transfer time */
202: unsigned short sal; /* stream access latency */
203: unsigned int spg; /* stream performance granularity */
204: unsigned long long lba_capacity_2;/* 48-bit total number of sectors */
205: unsigned short words104_125[22];/* reserved words 104-125 */
206: unsigned short last_lun; /* (word 126) */
207: unsigned short word127; /* (word 127) Feature Set
208: * Removable Media Notification
209: * 15:2 reserved
210: * 1:0 00 = not supported
211: * 01 = supported
212: * 10 = reserved
213: * 11 = reserved
214: */
215: unsigned short dlf; /* (word 128)
216: * device lock function
217: * 15:9 reserved
218: * 8 security level 1:max 0:high
219: * 7:6 reserved
220: * 5 enhanced erase
221: * 4 expire
222: * 3 frozen
223: * 2 locked
224: * 1 en/disabled
225: * 0 capability
226: */
227: unsigned short csfo; /* (word 129)
228: * current set features options
229: * 15:4 reserved
230: * 3: auto reassign
231: * 2: reverting
232: * 1: read-look-ahead
233: * 0: write cache
234: */
235: unsigned short words130_155[26];/* reserved vendor words 130-155 */
236: unsigned short word156; /* reserved vendor word 156 */
237: unsigned short words157_159[3];/* reserved vendor words 157-159 */
238: unsigned short cfa_power; /* (word 160) CFA Power Mode
239: * 15 word 160 supported
240: * 14 reserved
241: * 13
242: * 12
243: * 11:0
244: */
245: unsigned short words161_175[15];/* Reserved for CFA */
246: unsigned short words176_205[30];/* Current Media Serial Number */
247: unsigned short words206_254[49];/* reserved words 206-254 */
248: unsigned short integrity_word; /* (word 255)
249: * 15:8 Checksum
250: * 7:0 Signature
251: */
252: };
253:
254: struct request_sense {
255: #if defined(CONFIG_BIG_ENDIAN)
256: u8 valid : 1;
257: u8 error_code : 7;
258: #elif defined(CONFIG_LITTLE_ENDIAN)
259: u8 error_code : 7;
260: u8 valid : 1;
261: #endif
262: u8 segment_number;
263: #if defined(CONFIG_BIG_ENDIAN)
264: u8 reserved1 : 2;
265: u8 ili : 1;
266: u8 reserved2 : 1;
267: u8 sense_key : 4;
268: #elif defined(CONFIG_LITTLE_ENDIAN)
269: u8 sense_key : 4;
270: u8 reserved2 : 1;
271: u8 ili : 1;
272: u8 reserved1 : 2;
273: #endif
274: u8 information[4];
275: u8 add_sense_len;
276: u8 command_info[4];
277: u8 asc;
278: u8 ascq;
279: u8 fruc;
280: u8 sks[3];
281: u8 asb[46];
282: };
283:
284: struct atapi_capacity {
285: u32 lba;
286: u32 block_size;
287: };
288:
289: #endif
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