1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
#ifndef _LINUX_HDREG_H
#define _LINUX_HDREG_H
/*
* This file contains some defines for the AT-hd-controller.
* Various sources.
*/
#define HD_IRQ 14 /* the standard disk interrupt */
/* ide.c has its own port definitions in "ide.h" */
/* Hd controller regs. Ref: IBM AT Bios-listing */
#define HD_DATA 0x1f0 /* _CTL when writing */
#define HD_ERROR 0x1f1 /* see err-bits */
#define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */
#define HD_SECTOR 0x1f3 /* starting sector */
#define HD_LCYL 0x1f4 /* starting cylinder */
#define HD_HCYL 0x1f5 /* high byte of starting cyl */
#define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */
#define HD_STATUS 0x1f7 /* see status-bits */
#define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */
#define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */
#define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */
#define HD_CMD 0x3f6 /* used for resets */
#define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */
/* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */
/* Bits of HD_STATUS */
#define ERR_STAT 0x01
#define INDEX_STAT 0x02
#define ECC_STAT 0x04 /* Corrected error */
#define DRQ_STAT 0x08
#define SEEK_STAT 0x10
#define WRERR_STAT 0x20
#define READY_STAT 0x40
#define BUSY_STAT 0x80
/* Values for HD_COMMAND */
#define WIN_RESTORE 0x10
#define WIN_READ 0x20
#define WIN_WRITE 0x30
#define WIN_VERIFY 0x40
#define WIN_FORMAT 0x50
#define WIN_INIT 0x60
#define WIN_SEEK 0x70
#define WIN_DIAGNOSE 0x90
#define WIN_SPECIFY 0x91 /* set drive geometry translation */
#define WIN_SETIDLE1 0xE3
#define WIN_SETIDLE2 0x97
#define WIN_DOORLOCK 0xde /* lock door on removable drives */
#define WIN_DOORUNLOCK 0xdf /* unlock door on removable drives */
#define WIN_ACKMC 0xdb /* acknowledge media change */
#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode */
#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
#define WIN_SETFEATURES 0xEF /* set special drive features */
#define WIN_READDMA 0xc8 /* read sectors using DMA transfers */
#define WIN_WRITEDMA 0xca /* write sectors using DMA transfers */
/* Additional drive command codes used by ATAPI devices. */
#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
#define WIN_SRST 0x08 /* ATAPI soft reset command */
#define WIN_PACKETCMD 0xa0 /* Send a packet command. */
/* Non-standard commands */
#define EXABYTE_ENABLE_NEST 0xf0
/* Bits for HD_ERROR */
#define MARK_ERR 0x01 /* Bad address mark */
#define TRK0_ERR 0x02 /* couldn't find track 0 */
#define ABRT_ERR 0x04 /* Command aborted */
#define ID_ERR 0x10 /* ID field not found */
#define MC_ERR 0x20 /* media changed */
#define ECC_ERR 0x40 /* Uncorrectable ECC error */
#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
struct hd_geometry {
unsigned char heads;
unsigned char sectors;
unsigned short cylinders;
unsigned long start;
};
/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
#define HDIO_GETGEO 0x0301 /* get device geometry */
#define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */
#define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */
#define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */
#define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */
#define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */
#define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */
#define HDIO_GET_DMA 0x030b /* get use-dma flag */
#define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */
#define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */
/* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
#define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */
#define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */
#define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */
#define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */
#define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */
#define HDIO_SET_DMA 0x0326 /* change use-dma flag */
#define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */
/* structure returned by HDIO_GET_IDENTITY, as per ANSI ATA2 rev.2f spec */
struct hd_driveid {
unsigned short config; /* lots of obsolete bit flags */
unsigned short cyls; /* "physical" cyls */
unsigned short reserved2; /* reserved (word 2) */
unsigned short heads; /* "physical" heads */
unsigned short track_bytes; /* unformatted bytes per track */
unsigned short sector_bytes; /* unformatted bytes per sector */
unsigned short sectors; /* "physical" sectors per track */
unsigned short vendor0; /* vendor unique */
unsigned short vendor1; /* vendor unique */
unsigned short vendor2; /* vendor unique */
unsigned char serial_no[20]; /* 0 = not_specified */
unsigned short buf_type;
unsigned short buf_size; /* 512 byte increments; 0 = not_specified */
unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */
unsigned char fw_rev[8]; /* 0 = not_specified */
unsigned char model[40]; /* 0 = not_specified */
unsigned char max_multsect; /* 0=not_implemented */
unsigned char vendor3; /* vendor unique */
unsigned short dword_io; /* 0=not_implemented; 1=implemented */
unsigned char vendor4; /* vendor unique */
unsigned char capability; /* bits 0:DMA 1:LBA 2:IORDYsw 3:IORDYsup*/
unsigned short reserved50; /* reserved (word 50) */
unsigned char vendor5; /* vendor unique */
unsigned char tPIO; /* 0=slow, 1=medium, 2=fast */
unsigned char vendor6; /* vendor unique */
unsigned char tDMA; /* 0=slow, 1=medium, 2=fast */
unsigned short field_valid; /* bits 0:cur_ok 1:eide_ok */
unsigned short cur_cyls; /* logical cylinders */
unsigned short cur_heads; /* logical heads */
unsigned short cur_sectors; /* logical sectors per track */
unsigned short cur_capacity0; /* logical total sectors on drive */
unsigned short cur_capacity1; /* (2 words, misaligned int) */
unsigned char multsect; /* current multiple sector count */
unsigned char multsect_valid; /* when (bit0==1) multsect is ok */
unsigned int lba_capacity; /* total number of sectors */
unsigned short dma_1word; /* single-word dma info */
unsigned short dma_mword; /* multiple-word dma info */
unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */
unsigned short eide_dma_min; /* min mword dma cycle time (ns) */
unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */
unsigned short eide_pio; /* min cycle time (ns), no IORDY */
unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */
unsigned short word69;
unsigned short word70;
/* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
unsigned short word71;
unsigned short word72;
unsigned short word73;
unsigned short word74;
unsigned short word75;
unsigned short word76;
unsigned short word77;
unsigned short word78;
unsigned short word79;
unsigned short word80;
unsigned short word81;
unsigned short command_sets; /* bits 0:Smart 1:Security 2:Removable 3:PM */
unsigned short word83; /* bits 14:Smart Enabled 13:0 zero */
unsigned short word84;
unsigned short word85;
unsigned short word86;
unsigned short word87;
unsigned short dma_ultra;
unsigned short word89; /* reserved (word 89) */
unsigned short word90; /* reserved (word 90) */
unsigned short word91; /* reserved (word 91) */
unsigned short word92; /* reserved (word 92) */
unsigned short word93; /* reserved (word 93) */
unsigned short word94; /* reserved (word 94) */
unsigned short word95; /* reserved (word 95) */
unsigned short word96; /* reserved (word 96) */
unsigned short word97; /* reserved (word 97) */
unsigned short word98; /* reserved (word 98) */
unsigned short word99; /* reserved (word 99) */
unsigned short word100; /* reserved (word 100) */
unsigned short word101; /* reserved (word 101) */
unsigned short word102; /* reserved (word 102) */
unsigned short word103; /* reserved (word 103) */
unsigned short word104; /* reserved (word 104) */
unsigned short word105; /* reserved (word 105) */
unsigned short word106; /* reserved (word 106) */
unsigned short word107; /* reserved (word 107) */
unsigned short word108; /* reserved (word 108) */
unsigned short word109; /* reserved (word 109) */
unsigned short word110; /* reserved (word 110) */
unsigned short word111; /* reserved (word 111) */
unsigned short word112; /* reserved (word 112) */
unsigned short word113; /* reserved (word 113) */
unsigned short word114; /* reserved (word 114) */
unsigned short word115; /* reserved (word 115) */
unsigned short word116; /* reserved (word 116) */
unsigned short word117; /* reserved (word 117) */
unsigned short word118; /* reserved (word 118) */
unsigned short word119; /* reserved (word 119) */
unsigned short word120; /* reserved (word 120) */
unsigned short word121; /* reserved (word 121) */
unsigned short word122; /* reserved (word 122) */
unsigned short word123; /* reserved (word 123) */
unsigned short word124; /* reserved (word 124) */
unsigned short word125; /* reserved (word 125) */
unsigned short word126; /* reserved (word 126) */
unsigned short word127; /* reserved (word 127) */
unsigned short security; /* bits 0:suuport 1:enabled 2:locked 3:frozen */
unsigned short reserved[127];
};
#ifdef __KERNEL__
/*
* These routines are used for kernel command line parameters from main.c:
*/
#include <linux/config.h>
#ifdef CONFIG_BLK_DEV_HD
void hd_setup(char *, int *);
#endif /* CONFIG_BLK_DEV_HD */
#ifdef CONFIG_BLK_DEV_IDE
void ide_setup(char *);
#ifdef CONFIG_BLK_DEV_IDE_PCMCIA
int ide_register(int io_port, int ctl_port, int irq);
void ide_unregister(unsigned int);
#endif /* CONFIG_BLK_DEV_IDE_PCMCIA */
#endif /* CONFIG_BLK_DEV_IDE */
#endif /* __KERNEL__ */
#endif /* _LINUX_HDREG_H */
|
