1 #ifndef _LINUX_HDREG_H
2 #define _LINUX_HDREG_H
3
4 /*
5 * This file contains some defines for the AT-hd-controller.
6 * Various sources.
7 */
8
9 #define HD_IRQ 14 /* the standard disk interrupt */
10
11 /* ide.c has its own port definitions in "ide.h" */
12
13 /* Hd controller regs. Ref: IBM AT Bios-listing */
14 #define HD_DATA 0x1f0 /* _CTL when writing */
15 #define HD_ERROR 0x1f1 /* see err-bits */
16 #define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */
17 #define HD_SECTOR 0x1f3 /* starting sector */
18 #define HD_LCYL 0x1f4 /* starting cylinder */
19 #define HD_HCYL 0x1f5 /* high byte of starting cyl */
20 #define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */
21 #define HD_STATUS 0x1f7 /* see status-bits */
22 #define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */
23 #define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */
24 #define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */
25
26 #define HD_CMD 0x3f6 /* used for resets */
27 #define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */
28
29 /* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */
30
31 /* Bits of HD_STATUS */
32 #define ERR_STAT 0x01
33 #define INDEX_STAT 0x02
34 #define ECC_STAT 0x04 /* Corrected error */
35 #define DRQ_STAT 0x08
36 #define SEEK_STAT 0x10
37 #define WRERR_STAT 0x20
38 #define READY_STAT 0x40
39 #define BUSY_STAT 0x80
40
41 /* Values for HD_COMMAND */
42 #define WIN_RESTORE 0x10
43 #define WIN_READ 0x20
44 #define WIN_WRITE 0x30
45 #define WIN_WRITE_VERIFY 0x3C
46 #define WIN_VERIFY 0x40
47 #define WIN_FORMAT 0x50
48 #define WIN_INIT 0x60
49 #define WIN_SEEK 0x70
50 #define WIN_DIAGNOSE 0x90
51 #define WIN_SPECIFY 0x91 /* set drive geometry translation */
52 #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
53 #define WIN_SETIDLE1 0xE3
54 #define WIN_SETIDLE2 0x97
55
56 #define WIN_STANDBYNOW1 0xE0
57 #define WIN_STANDBYNOW2 0x94
58 #define WIN_SLEEPNOW1 0xE6
59 #define WIN_SLEEPNOW2 0x99
60 #define WIN_CHECKPOWERMODE1 0xE5
61 #define WIN_CHECKPOWERMODE2 0x98
62
63 #define WIN_DOORLOCK 0xDE /* lock door on removable drives */
64 #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
65
66 #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode */
67 #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
68 #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
69 #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
70 #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
71 #define WIN_SETFEATURES 0xEF /* set special drive features */
72 #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
73 #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
74
75 #define WIN_QUEUED_SERVICE 0xA2 /* */
76 #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
77 #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
78
79 #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
80 #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
81
82 #define WIN_SMART 0xB0 /* self-monitoring and reporting */
83
84 /* Additional drive command codes used by ATAPI devices. */
85 #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
86 #define WIN_SRST 0x08 /* ATAPI soft reset command */
87 #define WIN_PACKETCMD 0xA0 /* Send a packet command. */
88
89 #define DISABLE_SEAGATE 0xFB
90 #define EXABYTE_ENABLE_NEST 0xF0
91
92 /* WIN_SMART sub-commands */
93
94 #define SMART_READ_VALUES 0xd0
95 #define SMART_READ_THRESHOLDS 0xd1
96 #define SMART_AUTOSAVE 0xd2
97 #define SMART_SAVE 0xd3
98 #define SMART_IMMEDIATE_OFFLINE 0xd4
99 #define SMART_READ_LOG_SECTOR 0xd5
100 #define SMART_WRITE_LOG_SECTOR 0xd6
101 #define SMART_ENABLE 0xd8
102 #define SMART_DISABLE 0xd9
103 #define SMART_STATUS 0xda
104 #define SMART_AUTO_OFFLINE 0xdb
105
106 /* WIN_SETFEATURES sub-commands */
107
108 #define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */
109 #define SETFEATURES_XFER 0x03 /* Set transfer mode */
110 # define XFER_UDMA_7 0x47 /* 0100|0111 */
111 # define XFER_UDMA_6 0x46 /* 0100|0110 */
112 # define XFER_UDMA_5 0x45 /* 0100|0101 */
113 # define XFER_UDMA_4 0x44 /* 0100|0100 */
114 # define XFER_UDMA_3 0x43 /* 0100|0011 */
115 # define XFER_UDMA_2 0x42 /* 0100|0010 */
116 # define XFER_UDMA_1 0x41 /* 0100|0001 */
117 # define XFER_UDMA_0 0x40 /* 0100|0000 */
118 # define XFER_MW_DMA_2 0x22 /* 0010|0010 */
119 # define XFER_MW_DMA_1 0x21 /* 0010|0001 */
120 # define XFER_MW_DMA_0 0x20 /* 0010|0000 */
121 # define XFER_SW_DMA_2 0x12 /* 0001|0010 */
122 # define XFER_SW_DMA_1 0x11 /* 0001|0001 */
123 # define XFER_SW_DMA_0 0x10 /* 0001|0000 */
124 # define XFER_PIO_4 0x0C /* 0000|1100 */
125 # define XFER_PIO_3 0x0B /* 0000|1011 */
126 # define XFER_PIO_2 0x0A /* 0000|1010 */
127 # define XFER_PIO_1 0x09 /* 0000|1001 */
128 # define XFER_PIO_0 0x08 /* 0000|1000 */
129 # define XFER_PIO_SLOW 0x00 /* 0000|0000 */
130 #define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */
131 #define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */
132 #define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */
133 #define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */
134 #define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */
135 #define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */
136 #define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */
137 #define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */
138 #define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */
139 #define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */
140 #define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */
141 #define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */
142 #define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */
143 #define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */
144 #define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt */
145 #define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt */
146
147 /* WIN_SECURITY sub-commands */
148
149 #define SECURITY_SET_PASSWORD 0xBA /* 0xF1 */
150 #define SECURITY_UNLOCK 0xBB /* 0xF2 */
151 #define SECURITY_ERASE_PREPARE 0xBC /* 0xF3 */
152 #define SECURITY_ERASE_UNIT 0xBD /* 0xF4 */
153 #define SECURITY_FREEZE_LOCK 0xBE /* 0xF5 */
154 #define SECURITY_DISABLE_PASSWORD 0xBF /* 0xF6 */
155
156 /* Bits for HD_ERROR */
157 #define MARK_ERR 0x01 /* Bad address mark */
158 #define TRK0_ERR 0x02 /* couldn't find track 0 */
159 #define ABRT_ERR 0x04 /* Command aborted */
160 #define MCR_ERR 0x08 /* media change request */
161 #define ID_ERR 0x10 /* ID field not found */
162 #define ECC_ERR 0x40 /* Uncorrectable ECC error */
163 #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
164 #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
165
166 struct hd_geometry {
167 unsigned char heads;
168 unsigned char sectors;
169 unsigned short cylinders;
170 unsigned long start;
171 };
172
173 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
174 #define HDIO_GETGEO 0x0301 /* get device geometry */
175 #define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */
176 #define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */
177 #define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */
178 #define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */
179 #define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */
180 #define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */
181 #define HDIO_GET_DMA 0x030b /* get use-dma flag */
182 #define HDIO_GET_NICE 0x030c /* get nice flags */
183 #define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */
184
185 #define HDIO_DRIVE_RESET 0x031c /* execute a device reset */
186 #define HDIO_TRISTATE_HWIF 0x031d /* execute a channel tristate */
187 #define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */
188 #define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */
189
190 #define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK
191
192 /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
193 #define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */
194 #define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */
195 #define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */
196 #define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */
197 #define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */
198 #define HDIO_SET_DMA 0x0326 /* change use-dma flag */
199 #define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */
200 #define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */
201 #define HDIO_SET_NICE 0x0329 /* set nice flags */
202 #define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */
203
204 /* BIG GEOMETRY */
205 struct hd_big_geometry {
206 unsigned char heads;
207 unsigned char sectors;
208 unsigned int cylinders;
209 unsigned long start;
210 };
211
212 /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
213 #define HDIO_GETGEO_BIG 0x0330 /* */
214 #define HDIO_GETGEO_BIG_RAW 0x0331 /* */
215
216 #define __NEW_HD_DRIVE_ID
217 /* structure returned by HDIO_GET_IDENTITY, as per ANSI ATA2 rev.2f spec */
218 struct hd_driveid {
219 unsigned short config; /* lots of obsolete bit flags */
220 unsigned short cyls; /* "physical" cyls */
221 unsigned short reserved2; /* reserved (word 2) */
222 unsigned short heads; /* "physical" heads */
223 unsigned short track_bytes; /* unformatted bytes per track */
224 unsigned short sector_bytes; /* unformatted bytes per sector */
225 unsigned short sectors; /* "physical" sectors per track */
226 unsigned short vendor0; /* vendor unique */
227 unsigned short vendor1; /* vendor unique */
228 unsigned short vendor2; /* vendor unique */
229 unsigned char serial_no[20]; /* 0 = not_specified */
230 unsigned short buf_type;
231 unsigned short buf_size; /* 512 byte increments; 0 = not_specified */
232 unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */
233 unsigned char fw_rev[8]; /* 0 = not_specified */
234 unsigned char model[40]; /* 0 = not_specified */
235 unsigned char max_multsect; /* 0=not_implemented */
236 unsigned char vendor3; /* vendor unique */
237 unsigned short dword_io; /* 0=not_implemented; 1=implemented */
238 unsigned char vendor4; /* vendor unique */
239 unsigned char capability; /* bits 0:DMA 1:LBA 2:IORDYsw 3:IORDYsup*/
240 unsigned short reserved50; /* reserved (word 50) */
241 unsigned char vendor5; /* vendor unique */
242 unsigned char tPIO; /* 0=slow, 1=medium, 2=fast */
243 unsigned char vendor6; /* vendor unique */
244 unsigned char tDMA; /* 0=slow, 1=medium, 2=fast */
245 unsigned short field_valid; /* bits 0:cur_ok 1:eide_ok */
246 unsigned short cur_cyls; /* logical cylinders */
247 unsigned short cur_heads; /* logical heads */
248 unsigned short cur_sectors; /* logical sectors per track */
249 unsigned short cur_capacity0; /* logical total sectors on drive */
250 unsigned short cur_capacity1; /* (2 words, misaligned int) */
251 unsigned char multsect; /* current multiple sector count */
252 unsigned char multsect_valid; /* when (bit0==1) multsect is ok */
253 unsigned int lba_capacity; /* total number of sectors */
254 unsigned short dma_1word; /* single-word dma info */
255 unsigned short dma_mword; /* multiple-word dma info */
256 unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */
257 unsigned short eide_dma_min; /* min mword dma cycle time (ns) */
258 unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */
259 unsigned short eide_pio; /* min cycle time (ns), no IORDY */
260 unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */
261 unsigned short words69_70[2]; /* reserved words 69-70 */
262 /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
263 unsigned short words71_74[4]; /* reserved words 71-74 */
264 unsigned short queue_depth; /* */
265 unsigned short words76_79[4]; /* reserved words 76-79 */
266 unsigned short major_rev_num; /* */
267 unsigned short minor_rev_num; /* */
268 unsigned short command_set_1; /* bits 0:Smart 1:Security 2:Removable 3:PM */
269 unsigned short command_set_2; /* bits 14:Smart Enabled 13:0 zero */
270 unsigned short cfsse; /* command set-feature supported extensions */
271 unsigned short cfs_enable_1; /* command set-feature enabled */
272 unsigned short cfs_enable_2; /* command set-feature enabled */
273 unsigned short csf_default; /* command set-feature default */
274 unsigned short dma_ultra; /* */
275 unsigned short word89; /* reserved (word 89) */
276 unsigned short word90; /* reserved (word 90) */
277 unsigned short CurAPMvalues; /* current APM values */
278 unsigned short word92; /* reserved (word 92) */
279 unsigned short hw_config; /* hardware config */
280 unsigned short words94_125[32];/* reserved words 94-125 */
281 unsigned short last_lun; /* reserved (word 126) */
282 unsigned short word127; /* reserved (word 127) */
283 unsigned short dlf; /* device lock function
284 * 15:9 reserved
285 * 8 security level 1:max 0:high
286 * 7:6 reserved
287 * 5 enhanced erase
288 * 4 expire
289 * 3 frozen
290 * 2 locked
291 * 1 en/disabled
292 * 0 capability
293 */
294 unsigned short csfo; /* current set features options
295 * 15:4 reserved
296 * 3 auto reassign
297 * 2 reverting
298 * 1 read-look-ahead
299 * 0 write cache
300 */
301 unsigned short words130_155[26];/* reserved vendor words 130-155 */
302 unsigned short word156;
303 unsigned short words157_159[3];/* reserved vendor words 157-159 */
304 unsigned short words160_255[95];/* reserved words 160-255 */
305 };
306
307 /*
308 * IDE "nice" flags. These are used on a per drive basis to determine
309 * when to be nice and give more bandwidth to the other devices which
310 * share the same IDE bus.
311 */
312 #define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */
313 #define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */
314 #define IDE_NICE_0 (2) /* when sure that it won't affect us */
315 #define IDE_NICE_1 (3) /* when probably won't affect us much */
316 #define IDE_NICE_2 (4) /* when we know it's on our expense */
317
318 #ifdef __KERNEL__
319 /*
320 * These routines are used for kernel command line parameters from main.c:
321 */
322 #include <linux/config.h>
323
324 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
325 int ide_register(int io_port, int ctl_port, int irq);
326 void ide_unregister(unsigned int);
327 #endif /* CONFIG_BLK_DEV_IDE || CONFIG_BLK_DEV_IDE_MODULE */
328
329 #endif /* __KERNEL__ */
330
331 #endif /* _LINUX_HDREG_H */
332
This page was automatically generated by the
LXR engine.
Visit the LXR main site for more
information.