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1 #ifndef _IDE_H 1 #ifndef _IDE_H
2 #define _IDE_H 2 #define _IDE_H
3 /* 3 /*
4 * linux/include/linux/ide.h 4 * linux/include/linux/ide.h
5 * 5 *
6 * Copyright (C) 1994-2002 Linus Torvalds & 6 * Copyright (C) 1994-2002 Linus Torvalds & authors
7 */ 7 */
8 8
9 #include <linux/init.h> 9 #include <linux/init.h>
10 #include <linux/ioport.h> 10 #include <linux/ioport.h>
11 #include <linux/hdreg.h> !! 11 #include <linux/ata.h>
12 #include <linux/blkdev.h> 12 #include <linux/blkdev.h>
13 #include <linux/proc_fs.h> 13 #include <linux/proc_fs.h>
14 #include <linux/interrupt.h> 14 #include <linux/interrupt.h>
15 #include <linux/bitops.h> 15 #include <linux/bitops.h>
16 #include <linux/bio.h> 16 #include <linux/bio.h>
17 #include <linux/device.h> 17 #include <linux/device.h>
18 #include <linux/pci.h> 18 #include <linux/pci.h>
19 #include <linux/completion.h> 19 #include <linux/completion.h>
>> 20 #include <linux/pm.h>
20 #ifdef CONFIG_BLK_DEV_IDEACPI 21 #ifdef CONFIG_BLK_DEV_IDEACPI
21 #include <acpi/acpi.h> 22 #include <acpi/acpi.h>
22 #endif 23 #endif
23 #include <asm/byteorder.h> 24 #include <asm/byteorder.h>
24 #include <asm/system.h> 25 #include <asm/system.h>
25 #include <asm/io.h> 26 #include <asm/io.h>
26 #include <asm/semaphore.h> <<
27 #include <asm/mutex.h> 27 #include <asm/mutex.h>
28 28
29 #if defined(CONFIG_CRIS) || defined(CONFIG_FRV !! 29 /* for request_sense */
>> 30 #include <linux/cdrom.h>
>> 31
>> 32 #if defined(CONFIG_CRIS) || defined(CONFIG_FRV) || defined(CONFIG_MN10300)
30 # define SUPPORT_VLB_SYNC 0 33 # define SUPPORT_VLB_SYNC 0
31 #else 34 #else
32 # define SUPPORT_VLB_SYNC 1 35 # define SUPPORT_VLB_SYNC 1
33 #endif 36 #endif
34 37
35 /* 38 /*
36 * Used to indicate "no IRQ", should be a valu <<
37 * number. <<
38 */ <<
39 <<
40 #define IDE_NO_IRQ (-1) <<
41 <<
42 typedef unsigned char byte; /* used everyw <<
43 <<
44 /* <<
45 * Probably not wise to fiddle with these 39 * Probably not wise to fiddle with these
46 */ 40 */
>> 41 #define IDE_DEFAULT_MAX_FAILURES 1
47 #define ERROR_MAX 8 /* Max read/wr 42 #define ERROR_MAX 8 /* Max read/write errors per sector */
48 #define ERROR_RESET 3 /* Reset contr 43 #define ERROR_RESET 3 /* Reset controller every 4th retry */
49 #define ERROR_RECAL 1 /* Recalibrate 44 #define ERROR_RECAL 1 /* Recalibrate every 2nd retry */
50 45
51 /* !! 46 /* Error codes returned in rq->errors to the higher part of the driver. */
52 * Tune flags !! 47 enum {
53 */ !! 48 IDE_DRV_ERROR_GENERAL = 101,
54 #define IDE_TUNE_NOAUTO 2 !! 49 IDE_DRV_ERROR_FILEMARK = 102,
55 #define IDE_TUNE_AUTO 1 !! 50 IDE_DRV_ERROR_EOD = 103,
56 #define IDE_TUNE_DEFAULT 0 !! 51 };
57 52
58 /* 53 /*
59 * state flags !! 54 * Definitions for accessing IDE controller registers
60 */ 55 */
>> 56 #define IDE_NR_PORTS (10)
61 57
62 #define DMA_PIO_RETRY 1 /* retrying in !! 58 struct ide_io_ports {
>> 59 unsigned long data_addr;
63 60
64 #define HWIF(drive) ((ide_hwif_t * !! 61 union {
65 #define HWGROUP(drive) ((ide_hwgroup_ !! 62 unsigned long error_addr; /* read: error */
>> 63 unsigned long feature_addr; /* write: feature */
>> 64 };
66 65
67 /* !! 66 unsigned long nsect_addr;
68 * Definitions for accessing IDE controller re !! 67 unsigned long lbal_addr;
69 */ !! 68 unsigned long lbam_addr;
70 #define IDE_NR_PORTS (10) !! 69 unsigned long lbah_addr;
71 70
72 #define IDE_DATA_OFFSET (0) !! 71 unsigned long device_addr;
73 #define IDE_ERROR_OFFSET (1) !! 72
74 #define IDE_NSECTOR_OFFSET (2) !! 73 union {
75 #define IDE_SECTOR_OFFSET (3) !! 74 unsigned long status_addr; /* read: status */
76 #define IDE_LCYL_OFFSET (4) !! 75 unsigned long command_addr; /* write: command */
77 #define IDE_HCYL_OFFSET (5) !! 76 };
78 #define IDE_SELECT_OFFSET (6) !! 77
79 #define IDE_STATUS_OFFSET (7) !! 78 unsigned long ctl_addr;
80 #define IDE_CONTROL_OFFSET (8) !! 79
81 #define IDE_IRQ_OFFSET (9) !! 80 unsigned long irq_addr;
82 !! 81 };
83 #define IDE_FEATURE_OFFSET IDE_ERROR_OFFS <<
84 #define IDE_COMMAND_OFFSET IDE_STATUS_OFF <<
85 <<
86 #define IDE_DATA_REG (HWIF(drive)-> <<
87 #define IDE_ERROR_REG (HWIF(drive)-> <<
88 #define IDE_NSECTOR_REG (HWIF(drive)-> <<
89 #define IDE_SECTOR_REG (HWIF(drive)-> <<
90 #define IDE_LCYL_REG (HWIF(drive)-> <<
91 #define IDE_HCYL_REG (HWIF(drive)-> <<
92 #define IDE_SELECT_REG (HWIF(drive)-> <<
93 #define IDE_STATUS_REG (HWIF(drive)-> <<
94 #define IDE_CONTROL_REG (HWIF(drive)-> <<
95 #define IDE_IRQ_REG (HWIF(drive)-> <<
96 <<
97 #define IDE_FEATURE_REG IDE_ERROR_REG <<
98 #define IDE_COMMAND_REG IDE_STATUS_REG <<
99 #define IDE_ALTSTATUS_REG IDE_CONTROL_RE <<
100 #define IDE_IREASON_REG IDE_NSECTOR_RE <<
101 #define IDE_BCOUNTL_REG IDE_LCYL_REG <<
102 #define IDE_BCOUNTH_REG IDE_HCYL_REG <<
103 82
104 #define OK_STAT(stat,good,bad) (((stat)&((goo 83 #define OK_STAT(stat,good,bad) (((stat)&((good)|(bad)))==(good))
105 #define BAD_R_STAT (BUSY_STAT | <<
106 #define BAD_W_STAT (BAD_R_STAT | <<
107 #define BAD_STAT (BAD_R_STAT | <<
108 #define DRIVE_READY (READY_STAT | <<
109 84
110 #define BAD_CRC (ABRT_ERR | !! 85 #define BAD_R_STAT (ATA_BUSY | ATA_ERR)
>> 86 #define BAD_W_STAT (BAD_R_STAT | ATA_DF)
>> 87 #define BAD_STAT (BAD_R_STAT | ATA_DRQ)
>> 88 #define DRIVE_READY (ATA_DRDY | ATA_DSC)
>> 89
>> 90 #define BAD_CRC (ATA_ABORTED | ATA_ICRC)
111 91
112 #define SATA_NR_PORTS (3) /* 16 92 #define SATA_NR_PORTS (3) /* 16 possible ?? */
113 93
114 #define SATA_STATUS_OFFSET (0) 94 #define SATA_STATUS_OFFSET (0)
115 #define SATA_ERROR_OFFSET (1) 95 #define SATA_ERROR_OFFSET (1)
116 #define SATA_CONTROL_OFFSET (2) 96 #define SATA_CONTROL_OFFSET (2)
117 97
118 /* 98 /*
119 * Our Physical Region Descriptor (PRD) table 99 * Our Physical Region Descriptor (PRD) table should be large enough
120 * to handle the biggest I/O request we are li 100 * to handle the biggest I/O request we are likely to see. Since requests
121 * can have no more than 256 sectors, and sinc 101 * can have no more than 256 sectors, and since the typical blocksize is
122 * two or more sectors, we could get by with a 102 * two or more sectors, we could get by with a limit of 128 entries here for
123 * the usual worst case. Most requests seem t 103 * the usual worst case. Most requests seem to include some contiguous blocks,
124 * further reducing the number of table entrie 104 * further reducing the number of table entries required.
125 * 105 *
126 * The driver reverts to PIO mode for individu 106 * The driver reverts to PIO mode for individual requests that exceed
127 * this limit (possible with 512 byte blocksiz 107 * this limit (possible with 512 byte blocksizes, eg. MSDOS f/s), so handling
128 * 100% of all crazy scenarios here is not nec 108 * 100% of all crazy scenarios here is not necessary.
129 * 109 *
130 * As it turns out though, we must allocate a 110 * As it turns out though, we must allocate a full 4KB page for this,
131 * so the two PRD tables (ide0 & ide1) will ea 111 * so the two PRD tables (ide0 & ide1) will each get half of that,
132 * allowing each to have about 256 entries (8 112 * allowing each to have about 256 entries (8 bytes each) from this.
133 */ 113 */
134 #define PRD_BYTES 8 114 #define PRD_BYTES 8
135 #define PRD_ENTRIES 256 115 #define PRD_ENTRIES 256
136 116
137 /* 117 /*
138 * Some more useful definitions 118 * Some more useful definitions
139 */ 119 */
140 #define PARTN_BITS 6 /* number of m 120 #define PARTN_BITS 6 /* number of minor dev bits for partitions */
141 #define MAX_DRIVES 2 /* per interfa 121 #define MAX_DRIVES 2 /* per interface; 2 assumed by lots of code */
142 #define SECTOR_SIZE 512 122 #define SECTOR_SIZE 512
143 #define SECTOR_WORDS (SECTOR_SIZE / 4) <<
144 #define IDE_LARGE_SEEK(b1,b2,t) (((b1) > (b2) <<
145 123
146 /* 124 /*
147 * Timeouts for various operations: 125 * Timeouts for various operations:
148 */ 126 */
149 #define WAIT_DRQ (HZ/10) /* 100 !! 127 enum {
150 #define WAIT_READY (5*HZ) /* 5se !! 128 /* spec allows up to 20ms */
151 #define WAIT_PIDENTIFY (10*HZ) /* 10sec - sh !! 129 WAIT_DRQ = HZ / 10, /* 100ms */
152 #define WAIT_WORSTCASE (30*HZ) /* 30sec - wo !! 130 /* some laptops are very slow */
153 #define WAIT_CMD (10*HZ) /* 10sec - ma !! 131 WAIT_READY = 5 * HZ, /* 5s */
154 #define WAIT_MIN_SLEEP (2*HZ/100) /* 20m !! 132 /* should be less than 3ms (?), if all ATAPI CD is closed at boot */
>> 133 WAIT_PIDENTIFY = 10 * HZ, /* 10s */
>> 134 /* worst case when spinning up */
>> 135 WAIT_WORSTCASE = 30 * HZ, /* 30s */
>> 136 /* maximum wait for an IRQ to happen */
>> 137 WAIT_CMD = 10 * HZ, /* 10s */
>> 138 /* Some drives require a longer IRQ timeout. */
>> 139 WAIT_FLOPPY_CMD = 50 * HZ, /* 50s */
>> 140 /*
>> 141 * Some drives (for example, Seagate STT3401A Travan) require a very
>> 142 * long timeout, because they don't return an interrupt or clear their
>> 143 * BSY bit until after the command completes (even retension commands).
>> 144 */
>> 145 WAIT_TAPE_CMD = 900 * HZ, /* 900s */
>> 146 /* minimum sleep time */
>> 147 WAIT_MIN_SLEEP = HZ / 50, /* 20ms */
>> 148 };
155 149
156 /* 150 /*
157 * Check for an interrupt and acknowledge the !! 151 * Op codes for special requests to be handled by ide_special_rq().
>> 152 * Values should be in the range of 0x20 to 0x3f.
158 */ 153 */
159 struct hwif_s; !! 154 #define REQ_DRIVE_RESET 0x20
160 typedef int (ide_ack_intr_t)(struct hwif_s *); !! 155 #define REQ_DEVSET_EXEC 0x21
>> 156 #define REQ_PARK_HEADS 0x22
>> 157 #define REQ_UNPARK_HEADS 0x23
161 158
162 /* 159 /*
163 * hwif_chipset_t is used to keep track of the 160 * hwif_chipset_t is used to keep track of the specific hardware
164 * chipset used by each IDE interface, if know 161 * chipset used by each IDE interface, if known.
165 */ 162 */
166 enum { ide_unknown, ide_generic, 163 enum { ide_unknown, ide_generic, ide_pci,
167 ide_cmd640, ide_dtc2278, 164 ide_cmd640, ide_dtc2278, ide_ali14xx,
168 ide_qd65xx, ide_umc8672, 165 ide_qd65xx, ide_umc8672, ide_ht6560b,
169 ide_rz1000, ide_trm290, !! 166 ide_4drives, ide_pmac, ide_acorn,
170 ide_cmd646, ide_cy82c693, !! 167 ide_au1xxx, ide_palm3710
171 ide_pmac, ide_etrax100, <<
172 ide_au1xxx, ide_palm3710, <<
173 }; 168 };
174 169
175 typedef u8 hwif_chipset_t; 170 typedef u8 hwif_chipset_t;
176 171
177 /* 172 /*
178 * Structure to hold all information about the 173 * Structure to hold all information about the location of this port
179 */ 174 */
180 typedef struct hw_regs_s { !! 175 struct ide_hw {
181 unsigned long io_ports[IDE_NR_PORTS] !! 176 union {
182 int irq; !! 177 struct ide_io_ports io_ports;
183 ide_ack_intr_t *ack_intr; !! 178 unsigned long io_ports_array[IDE_NR_PORTS];
184 hwif_chipset_t chipset; !! 179 };
185 struct device *dev; <<
186 } hw_regs_t; <<
187 <<
188 struct hwif_s * ide_find_port(unsigned long); <<
189 struct hwif_s *ide_deprecated_find_port(unsign <<
190 void ide_init_port_data(struct hwif_s *, unsig <<
191 void ide_init_port_hw(struct hwif_s *, hw_regs <<
192 180
193 struct ide_drive_s; !! 181 int irq; /* our irq number */
194 int ide_register_hw(hw_regs_t *, void (*)(stru !! 182 struct device *dev, *parent;
195 struct hwif_s **); !! 183 unsigned long config;
>> 184 };
196 185
197 static inline void ide_std_init_ports(hw_regs_ !! 186 static inline void ide_std_init_ports(struct ide_hw *hw,
198 unsigned 187 unsigned long io_addr,
199 unsigned 188 unsigned long ctl_addr)
200 { 189 {
201 unsigned int i; 190 unsigned int i;
202 191
203 for (i = IDE_DATA_OFFSET; i <= IDE_STA !! 192 for (i = 0; i <= 7; i++)
204 hw->io_ports[i] = io_addr++; !! 193 hw->io_ports_array[i] = io_addr++;
205 194
206 hw->io_ports[IDE_CONTROL_OFFSET] = ctl !! 195 hw->io_ports.ctl_addr = ctl_addr;
207 } 196 }
208 197
209 #include <asm/ide.h> !! 198 #define MAX_HWIFS 10
210 <<
211 #if !defined(MAX_HWIFS) || defined(CONFIG_EMBE <<
212 #undef MAX_HWIFS <<
213 #define MAX_HWIFS CONFIG_IDE_MAX_HWIFS <<
214 #endif <<
215 <<
216 /* needed on alpha, x86/x86_64, ia64, mips, pp <<
217 #ifndef IDE_ARCH_OBSOLETE_DEFAULTS <<
218 # define ide_default_io_base(index) (0) <<
219 # define ide_default_irq(base) (0) <<
220 # define ide_init_default_irq(base) (0) <<
221 #endif <<
222 <<
223 #ifdef CONFIG_IDE_ARCH_OBSOLETE_INIT <<
224 static inline void ide_init_hwif_ports(hw_regs <<
225 unsigne <<
226 unsigne <<
227 int *ir <<
228 { <<
229 if (!ctl_addr) <<
230 ide_std_init_ports(hw, io_addr <<
231 else <<
232 ide_std_init_ports(hw, io_addr <<
233 <<
234 if (irq) <<
235 *irq = 0; <<
236 <<
237 hw->io_ports[IDE_IRQ_OFFSET] = 0; <<
238 <<
239 #ifdef CONFIG_PPC32 <<
240 if (ppc_ide_md.ide_init_hwif) <<
241 ppc_ide_md.ide_init_hwif(hw, i <<
242 #endif <<
243 } <<
244 #else <<
245 static inline void ide_init_hwif_ports(hw_regs <<
246 unsigne <<
247 unsigne <<
248 int *ir <<
249 { <<
250 if (io_addr || ctl_addr) <<
251 printk(KERN_WARNING "%s: must <<
252 } <<
253 #endif /* CONFIG_IDE_ARCH_OBSOLETE_INIT */ <<
254 <<
255 /* Currently only m68k, apus and m8xx need it <<
256 #ifndef IDE_ARCH_ACK_INTR <<
257 # define ide_ack_intr(hwif) (1) <<
258 #endif <<
259 <<
260 /* Currently only Atari needs it */ <<
261 #ifndef IDE_ARCH_LOCK <<
262 # define ide_release_lock() <<
263 # define ide_get_lock(hdlr, data) <<
264 #endif /* IDE_ARCH_LOCK */ <<
265 199
266 /* 200 /*
267 * Now for the data we need to maintain per-dr 201 * Now for the data we need to maintain per-drive: ide_drive_t
268 */ 202 */
269 203
270 #define ide_scsi 0x21 204 #define ide_scsi 0x21
271 #define ide_disk 0x20 205 #define ide_disk 0x20
272 #define ide_optical 0x7 206 #define ide_optical 0x7
273 #define ide_cdrom 0x5 207 #define ide_cdrom 0x5
274 #define ide_tape 0x1 208 #define ide_tape 0x1
275 #define ide_floppy 0x0 209 #define ide_floppy 0x0
276 210
277 /* 211 /*
278 * Special Driver Flags 212 * Special Driver Flags
279 * <<
280 * set_geometry : respecify drive geometry <<
281 * recalibrate : seek to cyl 0 <<
282 * set_multmode : set multmode count <<
283 * set_tune : tune interface for drive <<
284 * serviced : service command <<
285 * reserved : unused <<
286 */ <<
287 typedef union { <<
288 unsigned all : 8; <<
289 struct { <<
290 unsigned set_geometry : 1; <<
291 unsigned recalibrate : 1; <<
292 unsigned set_multmode : 1; <<
293 unsigned set_tune : 1; <<
294 unsigned serviced : 1; <<
295 unsigned reserved : 3; <<
296 } b; <<
297 } special_t; <<
298 <<
299 /* <<
300 * ATA-IDE Select Register, aka Device-Head <<
301 * <<
302 * head : always zeros here <<
303 * unit : drive select number: 0/1 <<
304 * bit5 : always 1 <<
305 * lba : using LBA instead of CHS <<
306 * bit7 : always 1 <<
307 */ 213 */
308 typedef union { !! 214 enum {
309 unsigned all : 8; !! 215 IDE_SFLAG_SET_GEOMETRY = (1 << 0),
310 struct { !! 216 IDE_SFLAG_RECALIBRATE = (1 << 1),
311 #if defined(__LITTLE_ENDIAN_BITFIELD) !! 217 IDE_SFLAG_SET_MULTMODE = (1 << 2),
312 unsigned head : 4; !! 218 };
313 unsigned unit : 1; <<
314 unsigned bit5 : 1; <<
315 unsigned lba : 1; <<
316 unsigned bit7 : 1; <<
317 #elif defined(__BIG_ENDIAN_BITFIELD) <<
318 unsigned bit7 : 1; <<
319 unsigned lba : 1; <<
320 unsigned bit5 : 1; <<
321 unsigned unit : 1; <<
322 unsigned head : 4; <<
323 #else <<
324 #error "Please fix <asm/byteorder.h>" <<
325 #endif <<
326 } b; <<
327 } select_t, ata_select_t; <<
328 219
329 /* 220 /*
330 * Status returned from various ide_ functions 221 * Status returned from various ide_ functions
331 */ 222 */
332 typedef enum { 223 typedef enum {
333 ide_stopped, /* no drive operation 224 ide_stopped, /* no drive operation was started */
334 ide_started, /* a drive operation w 225 ide_started, /* a drive operation was started, handler was set */
335 } ide_startstop_t; 226 } ide_startstop_t;
336 227
337 struct ide_driver_s; !! 228 enum {
338 struct ide_settings_s; !! 229 IDE_VALID_ERROR = (1 << 1),
>> 230 IDE_VALID_FEATURE = IDE_VALID_ERROR,
>> 231 IDE_VALID_NSECT = (1 << 2),
>> 232 IDE_VALID_LBAL = (1 << 3),
>> 233 IDE_VALID_LBAM = (1 << 4),
>> 234 IDE_VALID_LBAH = (1 << 5),
>> 235 IDE_VALID_DEVICE = (1 << 6),
>> 236 IDE_VALID_LBA = IDE_VALID_LBAL |
>> 237 IDE_VALID_LBAM |
>> 238 IDE_VALID_LBAH,
>> 239 IDE_VALID_OUT_TF = IDE_VALID_FEATURE |
>> 240 IDE_VALID_NSECT |
>> 241 IDE_VALID_LBA,
>> 242 IDE_VALID_IN_TF = IDE_VALID_NSECT |
>> 243 IDE_VALID_LBA,
>> 244 IDE_VALID_OUT_HOB = IDE_VALID_OUT_TF,
>> 245 IDE_VALID_IN_HOB = IDE_VALID_ERROR |
>> 246 IDE_VALID_NSECT |
>> 247 IDE_VALID_LBA,
>> 248 };
>> 249
>> 250 enum {
>> 251 IDE_TFLAG_LBA48 = (1 << 0),
>> 252 IDE_TFLAG_WRITE = (1 << 1),
>> 253 IDE_TFLAG_CUSTOM_HANDLER = (1 << 2),
>> 254 IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 3),
>> 255 /* force 16-bit I/O operations */
>> 256 IDE_TFLAG_IO_16BIT = (1 << 4),
>> 257 /* struct ide_cmd was allocated using kmalloc() */
>> 258 IDE_TFLAG_DYN = (1 << 5),
>> 259 IDE_TFLAG_FS = (1 << 6),
>> 260 IDE_TFLAG_MULTI_PIO = (1 << 7),
>> 261 };
>> 262
>> 263 enum {
>> 264 IDE_FTFLAG_FLAGGED = (1 << 0),
>> 265 IDE_FTFLAG_SET_IN_FLAGS = (1 << 1),
>> 266 IDE_FTFLAG_OUT_DATA = (1 << 2),
>> 267 IDE_FTFLAG_IN_DATA = (1 << 3),
>> 268 };
>> 269
>> 270 struct ide_taskfile {
>> 271 u8 data; /* 0: data byte (for TASKFILE ioctl) */
>> 272 union { /* 1: */
>> 273 u8 error; /* read: error */
>> 274 u8 feature; /* write: feature */
>> 275 };
>> 276 u8 nsect; /* 2: number of sectors */
>> 277 u8 lbal; /* 3: LBA low */
>> 278 u8 lbam; /* 4: LBA mid */
>> 279 u8 lbah; /* 5: LBA high */
>> 280 u8 device; /* 6: device select */
>> 281 union { /* 7: */
>> 282 u8 status; /* read: status */
>> 283 u8 command; /* write: command */
>> 284 };
>> 285 };
>> 286
>> 287 struct ide_cmd {
>> 288 struct ide_taskfile tf;
>> 289 struct ide_taskfile hob;
>> 290 struct {
>> 291 struct {
>> 292 u8 tf;
>> 293 u8 hob;
>> 294 } out, in;
>> 295 } valid;
>> 296
>> 297 u8 tf_flags;
>> 298 u8 ftf_flags; /* for TASKFILE ioctl */
>> 299 int protocol;
>> 300
>> 301 int sg_nents; /* number of sg entries */
>> 302 int orig_sg_nents;
>> 303 int sg_dma_direction; /* DMA transfer direction */
>> 304
>> 305 unsigned int nbytes;
>> 306 unsigned int nleft;
>> 307 unsigned int last_xfer_len;
>> 308
>> 309 struct scatterlist *cursg;
>> 310 unsigned int cursg_ofs;
>> 311
>> 312 struct request *rq; /* copy of request */
>> 313 };
>> 314
>> 315 /* ATAPI packet command flags */
>> 316 enum {
>> 317 /* set when an error is considered normal - no retry (ide-tape) */
>> 318 PC_FLAG_ABORT = (1 << 0),
>> 319 PC_FLAG_SUPPRESS_ERROR = (1 << 1),
>> 320 PC_FLAG_WAIT_FOR_DSC = (1 << 2),
>> 321 PC_FLAG_DMA_OK = (1 << 3),
>> 322 PC_FLAG_DMA_IN_PROGRESS = (1 << 4),
>> 323 PC_FLAG_DMA_ERROR = (1 << 5),
>> 324 PC_FLAG_WRITING = (1 << 6),
>> 325 };
>> 326
>> 327 #define ATAPI_WAIT_PC (60 * HZ)
>> 328
>> 329 struct ide_atapi_pc {
>> 330 /* actual packet bytes */
>> 331 u8 c[12];
>> 332 /* incremented on each retry */
>> 333 int retries;
>> 334 int error;
>> 335
>> 336 /* bytes to transfer */
>> 337 int req_xfer;
>> 338
>> 339 /* the corresponding request */
>> 340 struct request *rq;
>> 341
>> 342 unsigned long flags;
>> 343
>> 344 /*
>> 345 * those are more or less driver-specific and some of them are subject
>> 346 * to change/removal later.
>> 347 */
>> 348 unsigned long timeout;
>> 349 };
>> 350
>> 351 struct ide_devset;
>> 352 struct ide_driver;
339 353
340 #ifdef CONFIG_BLK_DEV_IDEACPI 354 #ifdef CONFIG_BLK_DEV_IDEACPI
341 struct ide_acpi_drive_link; 355 struct ide_acpi_drive_link;
342 struct ide_acpi_hwif_link; 356 struct ide_acpi_hwif_link;
343 #endif 357 #endif
344 358
345 typedef struct ide_drive_s { !! 359 struct ide_drive_s;
>> 360
>> 361 struct ide_disk_ops {
>> 362 int (*check)(struct ide_drive_s *, const char *);
>> 363 int (*get_capacity)(struct ide_drive_s *);
>> 364 u64 (*set_capacity)(struct ide_drive_s *, u64);
>> 365 void (*setup)(struct ide_drive_s *);
>> 366 void (*flush)(struct ide_drive_s *);
>> 367 int (*init_media)(struct ide_drive_s *, struct gendisk *);
>> 368 int (*set_doorlock)(struct ide_drive_s *, struct gendisk *,
>> 369 int);
>> 370 ide_startstop_t (*do_request)(struct ide_drive_s *, struct request *,
>> 371 sector_t);
>> 372 int (*ioctl)(struct ide_drive_s *, struct block_device *,
>> 373 fmode_t, unsigned int, unsigned long);
>> 374 };
>> 375
>> 376 /* ATAPI device flags */
>> 377 enum {
>> 378 IDE_AFLAG_DRQ_INTERRUPT = (1 << 0),
>> 379
>> 380 /* ide-cd */
>> 381 /* Drive cannot eject the disc. */
>> 382 IDE_AFLAG_NO_EJECT = (1 << 1),
>> 383 /* Drive is a pre ATAPI 1.2 drive. */
>> 384 IDE_AFLAG_PRE_ATAPI12 = (1 << 2),
>> 385 /* TOC addresses are in BCD. */
>> 386 IDE_AFLAG_TOCADDR_AS_BCD = (1 << 3),
>> 387 /* TOC track numbers are in BCD. */
>> 388 IDE_AFLAG_TOCTRACKS_AS_BCD = (1 << 4),
>> 389 /* Saved TOC information is current. */
>> 390 IDE_AFLAG_TOC_VALID = (1 << 6),
>> 391 /* We think that the drive door is locked. */
>> 392 IDE_AFLAG_DOOR_LOCKED = (1 << 7),
>> 393 /* SET_CD_SPEED command is unsupported. */
>> 394 IDE_AFLAG_NO_SPEED_SELECT = (1 << 8),
>> 395 IDE_AFLAG_VERTOS_300_SSD = (1 << 9),
>> 396 IDE_AFLAG_VERTOS_600_ESD = (1 << 10),
>> 397 IDE_AFLAG_SANYO_3CD = (1 << 11),
>> 398 IDE_AFLAG_FULL_CAPS_PAGE = (1 << 12),
>> 399 IDE_AFLAG_PLAY_AUDIO_OK = (1 << 13),
>> 400 IDE_AFLAG_LE_SPEED_FIELDS = (1 << 14),
>> 401
>> 402 /* ide-floppy */
>> 403 /* Avoid commands not supported in Clik drive */
>> 404 IDE_AFLAG_CLIK_DRIVE = (1 << 15),
>> 405 /* Requires BH algorithm for packets */
>> 406 IDE_AFLAG_ZIP_DRIVE = (1 << 16),
>> 407 /* Supports format progress report */
>> 408 IDE_AFLAG_SRFP = (1 << 17),
>> 409
>> 410 /* ide-tape */
>> 411 IDE_AFLAG_IGNORE_DSC = (1 << 18),
>> 412 /* 0 When the tape position is unknown */
>> 413 IDE_AFLAG_ADDRESS_VALID = (1 << 19),
>> 414 /* Device already opened */
>> 415 IDE_AFLAG_BUSY = (1 << 20),
>> 416 /* Attempt to auto-detect the current user block size */
>> 417 IDE_AFLAG_DETECT_BS = (1 << 21),
>> 418 /* Currently on a filemark */
>> 419 IDE_AFLAG_FILEMARK = (1 << 22),
>> 420 /* 0 = no tape is loaded, so we don't rewind after ejecting */
>> 421 IDE_AFLAG_MEDIUM_PRESENT = (1 << 23),
>> 422
>> 423 IDE_AFLAG_NO_AUTOCLOSE = (1 << 24),
>> 424 };
>> 425
>> 426 /* device flags */
>> 427 enum {
>> 428 /* restore settings after device reset */
>> 429 IDE_DFLAG_KEEP_SETTINGS = (1 << 0),
>> 430 /* device is using DMA for read/write */
>> 431 IDE_DFLAG_USING_DMA = (1 << 1),
>> 432 /* okay to unmask other IRQs */
>> 433 IDE_DFLAG_UNMASK = (1 << 2),
>> 434 /* don't attempt flushes */
>> 435 IDE_DFLAG_NOFLUSH = (1 << 3),
>> 436 /* DSC overlap */
>> 437 IDE_DFLAG_DSC_OVERLAP = (1 << 4),
>> 438 /* give potential excess bandwidth */
>> 439 IDE_DFLAG_NICE1 = (1 << 5),
>> 440 /* device is physically present */
>> 441 IDE_DFLAG_PRESENT = (1 << 6),
>> 442 /* disable Host Protected Area */
>> 443 IDE_DFLAG_NOHPA = (1 << 7),
>> 444 /* id read from device (synthetic if not set) */
>> 445 IDE_DFLAG_ID_READ = (1 << 8),
>> 446 IDE_DFLAG_NOPROBE = (1 << 9),
>> 447 /* need to do check_media_change() */
>> 448 IDE_DFLAG_REMOVABLE = (1 << 10),
>> 449 /* needed for removable devices */
>> 450 IDE_DFLAG_ATTACH = (1 << 11),
>> 451 IDE_DFLAG_FORCED_GEOM = (1 << 12),
>> 452 /* disallow setting unmask bit */
>> 453 IDE_DFLAG_NO_UNMASK = (1 << 13),
>> 454 /* disallow enabling 32-bit I/O */
>> 455 IDE_DFLAG_NO_IO_32BIT = (1 << 14),
>> 456 /* for removable only: door lock/unlock works */
>> 457 IDE_DFLAG_DOORLOCKING = (1 << 15),
>> 458 /* disallow DMA */
>> 459 IDE_DFLAG_NODMA = (1 << 16),
>> 460 /* powermanagment told us not to do anything, so sleep nicely */
>> 461 IDE_DFLAG_BLOCKED = (1 << 17),
>> 462 /* sleeping & sleep field valid */
>> 463 IDE_DFLAG_SLEEPING = (1 << 18),
>> 464 IDE_DFLAG_POST_RESET = (1 << 19),
>> 465 IDE_DFLAG_UDMA33_WARNED = (1 << 20),
>> 466 IDE_DFLAG_LBA48 = (1 << 21),
>> 467 /* status of write cache */
>> 468 IDE_DFLAG_WCACHE = (1 << 22),
>> 469 /* used for ignoring ATA_DF */
>> 470 IDE_DFLAG_NOWERR = (1 << 23),
>> 471 /* retrying in PIO */
>> 472 IDE_DFLAG_DMA_PIO_RETRY = (1 << 24),
>> 473 IDE_DFLAG_LBA = (1 << 25),
>> 474 /* don't unload heads */
>> 475 IDE_DFLAG_NO_UNLOAD = (1 << 26),
>> 476 /* heads unloaded, please don't reset port */
>> 477 IDE_DFLAG_PARKED = (1 << 27),
>> 478 IDE_DFLAG_MEDIA_CHANGED = (1 << 28),
>> 479 /* write protect */
>> 480 IDE_DFLAG_WP = (1 << 29),
>> 481 IDE_DFLAG_FORMAT_IN_PROGRESS = (1 << 30),
>> 482 IDE_DFLAG_NIEN_QUIRK = (1 << 31),
>> 483 };
>> 484
>> 485 struct ide_drive_s {
346 char name[4]; /* dri 486 char name[4]; /* drive name, such as "hda" */
347 char driver_req[10]; /* req 487 char driver_req[10]; /* requests specific driver */
348 488
349 struct request_queue *queue; /* req 489 struct request_queue *queue; /* request queue */
350 490
351 struct request *rq; /* cur 491 struct request *rq; /* current request */
352 struct ide_drive_s *next; /* cir <<
353 void *driver_data; /* ext 492 void *driver_data; /* extra driver data */
354 struct hd_driveid *id; /* dri !! 493 u16 *id; /* identification info */
355 #ifdef CONFIG_IDE_PROC_FS 494 #ifdef CONFIG_IDE_PROC_FS
356 struct proc_dir_entry *proc; /* /pr 495 struct proc_dir_entry *proc; /* /proc/ide/ directory entry */
357 struct ide_settings_s *settings;/* /pr !! 496 const struct ide_proc_devset *settings; /* /proc/ide/ drive settings */
358 #endif 497 #endif
359 struct hwif_s *hwif; /* act 498 struct hwif_s *hwif; /* actually (ide_hwif_t *) */
360 499
>> 500 const struct ide_disk_ops *disk_ops;
>> 501
>> 502 unsigned long dev_flags;
>> 503
361 unsigned long sleep; /* sle 504 unsigned long sleep; /* sleep until this time */
362 unsigned long service_start; /* tim <<
363 unsigned long service_time; /* ser <<
364 unsigned long timeout; /* max 505 unsigned long timeout; /* max time to wait for irq */
365 506
366 special_t special; /* spe !! 507 u8 special_flags; /* special action flags */
367 select_t select; /* bas <<
368 508
369 u8 keep_settings; /* res !! 509 u8 select; /* basic drive/head select reg value */
370 u8 using_dma; /* dis <<
371 u8 retry_pio; /* ret 510 u8 retry_pio; /* retrying dma capable host in pio */
372 u8 state; /* ret <<
373 u8 waiting_for_dma; /* dma 511 u8 waiting_for_dma; /* dma currently in progress */
374 u8 unmask; /* oka !! 512 u8 dma; /* atapi dma flag */
375 u8 noflush; /* don <<
376 u8 dsc_overlap; /* DSC <<
377 u8 nice1; /* giv <<
378 <<
379 unsigned present : 1; /* dri <<
380 unsigned dead : 1; /* dev <<
381 unsigned id_read : 1; /* 1=i <<
382 unsigned noprobe : 1; /* fro <<
383 unsigned removable : 1; /* 1 i <<
384 unsigned attach : 1; /* nee <<
385 unsigned forced_geom : 1; /* 1 i <<
386 unsigned no_unmask : 1; /* dis <<
387 unsigned no_io_32bit : 1; /* dis <<
388 unsigned atapi_overlap : 1; /* ATA <<
389 unsigned doorlocking : 1; /* for <<
390 unsigned nodma : 1; /* dis <<
391 unsigned autotune : 2; /* 0=d <<
392 unsigned remap_0_to_1 : 1; /* 0=n <<
393 unsigned blocked : 1; /* 1=p <<
394 unsigned vdma : 1; /* 1=d <<
395 unsigned scsi : 1; /* 0=d <<
396 unsigned sleeping : 1; /* 1=s <<
397 unsigned post_reset : 1; <<
398 unsigned udma33_warned : 1; <<
399 513
400 u8 addressing; /* 0=28-bit, 1 <<
401 u8 quirk_list; /* considered <<
402 u8 init_speed; /* transfer ra 514 u8 init_speed; /* transfer rate set at boot */
403 u8 current_speed; /* current tra 515 u8 current_speed; /* current transfer rate set */
404 u8 desired_speed; /* desired tra 516 u8 desired_speed; /* desired transfer rate set */
405 u8 dn; /* now wide sp 517 u8 dn; /* now wide spread use */
406 u8 wcache; /* status of w <<
407 u8 acoustic; /* acoustic ma 518 u8 acoustic; /* acoustic management */
408 u8 media; /* disk, cdrom 519 u8 media; /* disk, cdrom, tape, floppy, ... */
409 u8 ctl; /* "normal" va <<
410 u8 ready_stat; /* min status 520 u8 ready_stat; /* min status value for drive ready */
411 u8 mult_count; /* current mul 521 u8 mult_count; /* current multiple sector setting */
412 u8 mult_req; /* requested m 522 u8 mult_req; /* requested multiple sector setting */
413 u8 tune_req; /* requested d <<
414 u8 io_32bit; /* 0=16-bit, 1 523 u8 io_32bit; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
415 u8 bad_wstat; /* used for ig !! 524 u8 bad_wstat; /* used for ignoring ATA_DF */
416 u8 nowerr; /* used for ig <<
417 u8 sect0; /* offset of f <<
418 u8 head; /* "real" numb 525 u8 head; /* "real" number of heads */
419 u8 sect; /* "real" sect 526 u8 sect; /* "real" sectors per track */
420 u8 bios_head; /* BIOS/fdisk/ 527 u8 bios_head; /* BIOS/fdisk/LILO number of heads */
421 u8 bios_sect; /* BIOS/fdisk/ 528 u8 bios_sect; /* BIOS/fdisk/LILO sectors per track */
422 529
>> 530 /* delay this long before sending packet command */
>> 531 u8 pc_delay;
>> 532
423 unsigned int bios_cyl; /* BIO 533 unsigned int bios_cyl; /* BIOS/fdisk/LILO number of cyls */
424 unsigned int cyl; /* "re 534 unsigned int cyl; /* "real" number of cyls */
425 unsigned int drive_data; /* use !! 535 void *drive_data; /* used by set_pio_mode/dev_select() */
426 unsigned int failures; /* cur 536 unsigned int failures; /* current failure count */
427 unsigned int max_failures; /* max 537 unsigned int max_failures; /* maximum allowed failure count */
428 u64 probed_capacity;/* ini !! 538 u64 probed_capacity;/* initial/native media capacity */
429 <<
430 u64 capacity64; /* tot 539 u64 capacity64; /* total number of sectors */
431 540
432 int lun; /* log 541 int lun; /* logical unit */
433 int crc_count; /* crc 542 int crc_count; /* crc counter to reduce drive speed */
>> 543
>> 544 unsigned long debug_mask; /* debugging levels switch */
>> 545
434 #ifdef CONFIG_BLK_DEV_IDEACPI 546 #ifdef CONFIG_BLK_DEV_IDEACPI
435 struct ide_acpi_drive_link *acpidata; 547 struct ide_acpi_drive_link *acpidata;
436 #endif 548 #endif
437 struct list_head list; 549 struct list_head list;
438 struct device gendev; 550 struct device gendev;
439 struct completion gendev_rel_comp; 551 struct completion gendev_rel_comp; /* to deal with device release() */
440 } ide_drive_t; <<
441 552
442 #define to_ide_device(dev)container_of(dev, id !! 553 /* current packet command */
>> 554 struct ide_atapi_pc *pc;
443 555
444 #define IDE_CHIPSET_PCI_MASK \ !! 556 /* last failed packet command */
445 ((1<<ide_pci)|(1<<ide_cmd646)|(1<<ide_ali1 !! 557 struct ide_atapi_pc *failed_pc;
446 #define IDE_CHIPSET_IS_PCI(c) ((IDE_CHIPSET_ !! 558
>> 559 /* callback for packet commands */
>> 560 int (*pc_callback)(struct ide_drive_s *, int);
>> 561
>> 562 ide_startstop_t (*irq_handler)(struct ide_drive_s *);
>> 563
>> 564 unsigned long atapi_flags;
>> 565
>> 566 struct ide_atapi_pc request_sense_pc;
>> 567
>> 568 /* current sense rq and buffer */
>> 569 bool sense_rq_armed;
>> 570 struct request sense_rq;
>> 571 struct request_sense sense_data;
>> 572 };
>> 573
>> 574 typedef struct ide_drive_s ide_drive_t;
>> 575
>> 576 #define to_ide_device(dev) container_of(dev, ide_drive_t, gendev)
>> 577
>> 578 #define to_ide_drv(obj, cont_type) \
>> 579 container_of(obj, struct cont_type, dev)
>> 580
>> 581 #define ide_drv_g(disk, cont_type) \
>> 582 container_of((disk)->private_data, struct cont_type, driver)
447 583
448 struct ide_port_info; 584 struct ide_port_info;
449 585
>> 586 struct ide_tp_ops {
>> 587 void (*exec_command)(struct hwif_s *, u8);
>> 588 u8 (*read_status)(struct hwif_s *);
>> 589 u8 (*read_altstatus)(struct hwif_s *);
>> 590 void (*write_devctl)(struct hwif_s *, u8);
>> 591
>> 592 void (*dev_select)(ide_drive_t *);
>> 593 void (*tf_load)(ide_drive_t *, struct ide_taskfile *, u8);
>> 594 void (*tf_read)(ide_drive_t *, struct ide_taskfile *, u8);
>> 595
>> 596 void (*input_data)(ide_drive_t *, struct ide_cmd *,
>> 597 void *, unsigned int);
>> 598 void (*output_data)(ide_drive_t *, struct ide_cmd *,
>> 599 void *, unsigned int);
>> 600 };
>> 601
>> 602 extern const struct ide_tp_ops default_tp_ops;
>> 603
>> 604 /**
>> 605 * struct ide_port_ops - IDE port operations
>> 606 *
>> 607 * @init_dev: host specific initialization of a device
>> 608 * @set_pio_mode: routine to program host for PIO mode
>> 609 * @set_dma_mode: routine to program host for DMA mode
>> 610 * @reset_poll: chipset polling based on hba specifics
>> 611 * @pre_reset: chipset specific changes to default for device-hba resets
>> 612 * @resetproc: routine to reset controller after a disk reset
>> 613 * @maskproc: special host masking for drive selection
>> 614 * @quirkproc: check host's drive quirk list
>> 615 * @clear_irq: clear IRQ
>> 616 *
>> 617 * @mdma_filter: filter MDMA modes
>> 618 * @udma_filter: filter UDMA modes
>> 619 *
>> 620 * @cable_detect: detect cable type
>> 621 */
>> 622 struct ide_port_ops {
>> 623 void (*init_dev)(ide_drive_t *);
>> 624 void (*set_pio_mode)(ide_drive_t *, const u8);
>> 625 void (*set_dma_mode)(ide_drive_t *, const u8);
>> 626 int (*reset_poll)(ide_drive_t *);
>> 627 void (*pre_reset)(ide_drive_t *);
>> 628 void (*resetproc)(ide_drive_t *);
>> 629 void (*maskproc)(ide_drive_t *, int);
>> 630 void (*quirkproc)(ide_drive_t *);
>> 631 void (*clear_irq)(ide_drive_t *);
>> 632 int (*test_irq)(struct hwif_s *);
>> 633
>> 634 u8 (*mdma_filter)(ide_drive_t *);
>> 635 u8 (*udma_filter)(ide_drive_t *);
>> 636
>> 637 u8 (*cable_detect)(struct hwif_s *);
>> 638 };
>> 639
>> 640 struct ide_dma_ops {
>> 641 void (*dma_host_set)(struct ide_drive_s *, int);
>> 642 int (*dma_setup)(struct ide_drive_s *, struct ide_cmd *);
>> 643 void (*dma_start)(struct ide_drive_s *);
>> 644 int (*dma_end)(struct ide_drive_s *);
>> 645 int (*dma_test_irq)(struct ide_drive_s *);
>> 646 void (*dma_lost_irq)(struct ide_drive_s *);
>> 647 /* below ones are optional */
>> 648 int (*dma_check)(struct ide_drive_s *, struct ide_cmd *);
>> 649 int (*dma_timer_expiry)(struct ide_drive_s *);
>> 650 void (*dma_clear)(struct ide_drive_s *);
>> 651 /*
>> 652 * The following method is optional and only required to be
>> 653 * implemented for the SFF-8038i compatible controllers.
>> 654 */
>> 655 u8 (*dma_sff_read_status)(struct hwif_s *);
>> 656 };
>> 657
>> 658 enum {
>> 659 IDE_PFLAG_PROBING = (1 << 0),
>> 660 };
>> 661
>> 662 struct ide_host;
>> 663
450 typedef struct hwif_s { 664 typedef struct hwif_s {
451 struct hwif_s *next; /* for <<
452 struct hwif_s *mate; /* oth 665 struct hwif_s *mate; /* other hwif from same PCI chip */
453 struct hwgroup_s *hwgroup; /* act <<
454 struct proc_dir_entry *proc; /* /pr 666 struct proc_dir_entry *proc; /* /proc/ide/ directory entry */
455 667
>> 668 struct ide_host *host;
>> 669
456 char name[6]; /* nam 670 char name[6]; /* name of interface, eg. "ide0" */
457 671
458 /* task file registers for pat !! 672 struct ide_io_ports io_ports;
459 unsigned long io_ports[IDE_NR_PORTS] !! 673
460 unsigned long sata_scr[SATA_NR_PORTS 674 unsigned long sata_scr[SATA_NR_PORTS];
461 675
462 ide_drive_t drives[MAX_DRIVES]; !! 676 ide_drive_t *devices[MAX_DRIVES + 1];
>> 677
>> 678 unsigned long port_flags;
463 679
464 u8 major; /* our major number */ 680 u8 major; /* our major number */
465 u8 index; /* 0 for ide0; 1 for i 681 u8 index; /* 0 for ide0; 1 for ide1; ... */
466 u8 channel; /* for dual-port chips 682 u8 channel; /* for dual-port chips: 0=primary, 1=secondary */
467 u8 bus_state; /* power state of the <<
468 683
469 u32 host_flags; 684 u32 host_flags;
470 685
471 u8 pio_mask; 686 u8 pio_mask;
472 687
473 u8 ultra_mask; 688 u8 ultra_mask;
474 u8 mwdma_mask; 689 u8 mwdma_mask;
475 u8 swdma_mask; 690 u8 swdma_mask;
476 691
477 u8 cbl; /* cable type */ 692 u8 cbl; /* cable type */
478 693
479 hwif_chipset_t chipset; /* sub-module 694 hwif_chipset_t chipset; /* sub-module for tuning.. */
480 695
481 struct device *dev; 696 struct device *dev;
482 697
483 const struct ide_port_info *cds; <<
484 <<
485 ide_ack_intr_t *ack_intr; <<
486 <<
487 void (*rw_disk)(ide_drive_t *, struct 698 void (*rw_disk)(ide_drive_t *, struct request *);
488 699
489 #if 0 !! 700 const struct ide_tp_ops *tp_ops;
490 ide_hwif_ops_t *hwifops; !! 701 const struct ide_port_ops *port_ops;
491 #else !! 702 const struct ide_dma_ops *dma_ops;
492 /* host specific initialization of dev <<
493 void (*port_init_devs)(struct hwif_ <<
494 /* routine to program host for PIO mod <<
495 void (*set_pio_mode)(ide_drive_t *, <<
496 /* routine to program host for DMA mod <<
497 void (*set_dma_mode)(ide_drive_t *, <<
498 /* tweaks hardware to select drive */ <<
499 void (*selectproc)(ide_drive_t *); <<
500 /* chipset polling based on hba specif <<
501 int (*reset_poll)(ide_drive_t *); <<
502 /* chipset specific changes to default <<
503 void (*pre_reset)(ide_drive_t *); <<
504 /* routine to reset controller after a <<
505 void (*resetproc)(ide_drive_t *); <<
506 /* special host masking for drive sele <<
507 void (*maskproc)(ide_drive_t *, int <<
508 /* check host's drive quirk list */ <<
509 void (*quirkproc)(ide_drive_t *); <<
510 /* driver soft-power interface */ <<
511 int (*busproc)(ide_drive_t *, int) <<
512 #endif <<
513 u8 (*mdma_filter)(ide_drive_t *); <<
514 u8 (*udma_filter)(ide_drive_t *); <<
515 <<
516 u8 (*cable_detect)(struct hwif_s *); <<
517 <<
518 void (*ata_input_data)(ide_drive_t *, <<
519 void (*ata_output_data)(ide_drive_t *, <<
520 <<
521 void (*atapi_input_bytes)(ide_drive_t <<
522 void (*atapi_output_bytes)(ide_drive_t <<
523 <<
524 void (*dma_host_set)(ide_drive_t *, in <<
525 int (*dma_setup)(ide_drive_t *); <<
526 void (*dma_exec_cmd)(ide_drive_t *, u8 <<
527 void (*dma_start)(ide_drive_t *); <<
528 int (*ide_dma_end)(ide_drive_t *drive) <<
529 int (*ide_dma_test_irq)(ide_drive_t *d <<
530 void (*ide_dma_clear_irq)(ide_drive_t <<
531 void (*dma_lost_irq)(ide_drive_t *driv <<
532 void (*dma_timeout)(ide_drive_t *drive <<
533 <<
534 void (*OUTB)(u8 addr, unsigned long po <<
535 void (*OUTBSYNC)(ide_drive_t *drive, u <<
536 void (*OUTW)(u16 addr, unsigned long p <<
537 void (*OUTSW)(unsigned long port, void <<
538 void (*OUTSL)(unsigned long port, void <<
539 <<
540 u8 (*INB)(unsigned long port); <<
541 u16 (*INW)(unsigned long port); <<
542 void (*INSW)(unsigned long port, void <<
543 void (*INSL)(unsigned long port, void <<
544 703
545 /* dma physical region descriptor tabl 704 /* dma physical region descriptor table (cpu view) */
546 unsigned int *dmatable_cpu; 705 unsigned int *dmatable_cpu;
547 /* dma physical region descriptor tabl 706 /* dma physical region descriptor table (dma view) */
548 dma_addr_t dmatable_dma; 707 dma_addr_t dmatable_dma;
>> 708
>> 709 /* maximum number of PRD table entries */
>> 710 int prd_max_nents;
>> 711 /* PRD entry size in bytes */
>> 712 int prd_ent_size;
>> 713
549 /* Scatter-gather list used to build t 714 /* Scatter-gather list used to build the above */
550 struct scatterlist *sg_table; 715 struct scatterlist *sg_table;
551 int sg_max_nents; /* Max 716 int sg_max_nents; /* Maximum number of entries in it */
552 int sg_nents; /* Cur <<
553 int sg_dma_direction; /* dma <<
554 717
555 /* data phase of the active command (c !! 718 struct ide_cmd cmd; /* current command */
556 int data_phase; <<
557 <<
558 unsigned int nsect; <<
559 unsigned int nleft; <<
560 struct scatterlist *cursg; <<
561 unsigned int cursg_ofs; <<
562 719
563 int rqsize; /* max 720 int rqsize; /* max sectors per request */
564 int irq; /* our 721 int irq; /* our irq number */
565 722
566 unsigned long dma_base; /* bas 723 unsigned long dma_base; /* base addr for dma ports */
567 unsigned long dma_command; /* dma <<
568 unsigned long dma_vendor1; /* dma <<
569 unsigned long dma_status; /* dma <<
570 unsigned long dma_vendor3; /* dma <<
571 unsigned long dma_prdtable; /* act <<
572 724
573 unsigned long config_data; /* for 725 unsigned long config_data; /* for use by chipset-specific code */
574 unsigned long select_data; /* for 726 unsigned long select_data; /* for use by chipset-specific code */
575 727
576 unsigned long extra_base; /* ext 728 unsigned long extra_base; /* extra addr for dma ports */
577 unsigned extra_ports; /* num 729 unsigned extra_ports; /* number of extra dma ports */
578 730
579 unsigned noprobe : 1; /* don <<
580 unsigned present : 1; /* thi 731 unsigned present : 1; /* this interface exists */
581 unsigned hold : 1; /* thi !! 732 unsigned busy : 1; /* serializes devices on a port */
582 unsigned serialized : 1; /* ser !! 733
583 unsigned sharing_irq: 1; /* 1 = !! 734 struct device gendev;
584 unsigned reset : 1; /* res !! 735 struct device *portdev;
585 unsigned sg_mapped : 1; /* sg_ <<
586 unsigned mmio : 1; /* hos <<
587 unsigned straight8 : 1; /* Ala <<
588 736
589 struct device gendev; <<
590 struct completion gendev_rel_comp; /* 737 struct completion gendev_rel_comp; /* To deal with device release() */
591 738
592 void *hwif_data; /* ext 739 void *hwif_data; /* extra hwif data */
593 740
594 unsigned dma; <<
595 <<
596 #ifdef CONFIG_BLK_DEV_IDEACPI 741 #ifdef CONFIG_BLK_DEV_IDEACPI
597 struct ide_acpi_hwif_link *acpidata; 742 struct ide_acpi_hwif_link *acpidata;
598 #endif 743 #endif
599 } ____cacheline_internodealigned_in_smp ide_hw <<
600 <<
601 /* <<
602 * internal ide interrupt handler type <<
603 */ <<
604 typedef ide_startstop_t (ide_handler_t)(ide_dr <<
605 typedef int (ide_expiry_t)(ide_drive_t *); <<
606 <<
607 /* used by ide-cd, ide-floppy, etc. */ <<
608 typedef void (xfer_func_t)(ide_drive_t *, void <<
609 744
610 typedef struct hwgroup_s { !! 745 /* IRQ handler, if active */
611 /* irq handler, if active */ <<
612 ide_startstop_t (*handler)(ide_drive_t 746 ide_startstop_t (*handler)(ide_drive_t *);
613 747
614 /* BOOL: protects all fields b !! 748 /* BOOL: polling active & poll_timeout field valid */
615 volatile int busy; !! 749 unsigned int polling : 1;
616 /* BOOL: wake us up on timer e <<
617 unsigned int sleeping : 1; <<
618 /* BOOL: polling active & poll <<
619 unsigned int polling : 1; <<
620 /* BOOL: in a polling reset si <<
621 unsigned int resetting : 1; <<
622 <<
623 /* current drive */ <<
624 ide_drive_t *drive; <<
625 /* ptr to current hwif in link <<
626 ide_hwif_t *hwif; <<
627 750
628 /* current request */ !! 751 /* current drive */
>> 752 ide_drive_t *cur_dev;
>> 753
>> 754 /* current request */
629 struct request *rq; 755 struct request *rq;
630 756
631 /* failsafe timer */ !! 757 /* failsafe timer */
632 struct timer_list timer; 758 struct timer_list timer;
633 /* timeout value during long p !! 759 /* timeout value during long polls */
634 unsigned long poll_timeout; 760 unsigned long poll_timeout;
635 /* queried upon timeouts */ !! 761 /* queried upon timeouts */
636 int (*expiry)(ide_drive_t *); 762 int (*expiry)(ide_drive_t *);
637 763
638 int req_gen; 764 int req_gen;
639 int req_gen_timer; 765 int req_gen_timer;
640 } ide_hwgroup_t; <<
641 766
642 typedef struct ide_driver_s ide_driver_t; !! 767 spinlock_t lock;
>> 768 } ____cacheline_internodealigned_in_smp ide_hwif_t;
643 769
644 extern struct mutex ide_setting_mtx; !! 770 #define MAX_HOST_PORTS 4
645 771
646 int set_io_32bit(ide_drive_t *, int); !! 772 struct ide_host {
647 int set_pio_mode(ide_drive_t *, int); !! 773 ide_hwif_t *ports[MAX_HOST_PORTS + 1];
648 int set_using_dma(ide_drive_t *, int); !! 774 unsigned int n_ports;
>> 775 struct device *dev[2];
>> 776
>> 777 int (*init_chipset)(struct pci_dev *);
>> 778
>> 779 void (*get_lock)(irq_handler_t, void *);
>> 780 void (*release_lock)(void);
>> 781
>> 782 irq_handler_t irq_handler;
>> 783
>> 784 unsigned long host_flags;
>> 785
>> 786 int irq_flags;
>> 787
>> 788 void *host_priv;
>> 789 ide_hwif_t *cur_port; /* for hosts requiring serialization */
>> 790
>> 791 /* used for hosts requiring serialization */
>> 792 volatile unsigned long host_busy;
>> 793 };
>> 794
>> 795 #define IDE_HOST_BUSY 0
>> 796
>> 797 /*
>> 798 * internal ide interrupt handler type
>> 799 */
>> 800 typedef ide_startstop_t (ide_handler_t)(ide_drive_t *);
>> 801 typedef int (ide_expiry_t)(ide_drive_t *);
>> 802
>> 803 /* used by ide-cd, ide-floppy, etc. */
>> 804 typedef void (xfer_func_t)(ide_drive_t *, struct ide_cmd *, void *, unsigned);
>> 805
>> 806 extern struct mutex ide_setting_mtx;
649 807
650 #ifdef CONFIG_IDE_PROC_FS <<
651 /* 808 /*
652 * configurable drive settings 809 * configurable drive settings
653 */ 810 */
654 811
655 #define TYPE_INT 0 !! 812 #define DS_SYNC (1 << 0)
656 #define TYPE_BYTE 1 <<
657 #define TYPE_SHORT 2 <<
658 <<
659 #define SETTING_READ (1 << 0) <<
660 #define SETTING_WRITE (1 << 1) <<
661 #define SETTING_RW (SETTING_READ | SETTIN <<
662 813
663 typedef int (ide_procset_t)(ide_drive_t *, int !! 814 struct ide_devset {
664 typedef struct ide_settings_s { !! 815 int (*get)(ide_drive_t *);
665 char *name; !! 816 int (*set)(ide_drive_t *, int);
666 int rw; !! 817 unsigned int flags;
667 int data_type; !! 818 };
668 int min; !! 819
669 int max; !! 820 #define __DEVSET(_flags, _get, _set) { \
670 int mul_factor; !! 821 .flags = _flags, \
671 int div_factor; !! 822 .get = _get, \
672 void *data; !! 823 .set = _set, \
673 ide_procset_t *set; !! 824 }
674 int auto_remove; <<
675 struct ide_settings_s *next; <<
676 } ide_settings_t; <<
677 825
678 int ide_add_setting(ide_drive_t *, const char !! 826 #define ide_devset_get(name, field) \
>> 827 static int get_##name(ide_drive_t *drive) \
>> 828 { \
>> 829 return drive->field; \
>> 830 }
>> 831
>> 832 #define ide_devset_set(name, field) \
>> 833 static int set_##name(ide_drive_t *drive, int arg) \
>> 834 { \
>> 835 drive->field = arg; \
>> 836 return 0; \
>> 837 }
>> 838
>> 839 #define ide_devset_get_flag(name, flag) \
>> 840 static int get_##name(ide_drive_t *drive) \
>> 841 { \
>> 842 return !!(drive->dev_flags & flag); \
>> 843 }
679 844
>> 845 #define ide_devset_set_flag(name, flag) \
>> 846 static int set_##name(ide_drive_t *drive, int arg) \
>> 847 { \
>> 848 if (arg) \
>> 849 drive->dev_flags |= flag; \
>> 850 else \
>> 851 drive->dev_flags &= ~flag; \
>> 852 return 0; \
>> 853 }
>> 854
>> 855 #define __IDE_DEVSET(_name, _flags, _get, _set) \
>> 856 const struct ide_devset ide_devset_##_name = \
>> 857 __DEVSET(_flags, _get, _set)
>> 858
>> 859 #define IDE_DEVSET(_name, _flags, _get, _set) \
>> 860 static __IDE_DEVSET(_name, _flags, _get, _set)
>> 861
>> 862 #define ide_devset_rw(_name, _func) \
>> 863 IDE_DEVSET(_name, 0, get_##_func, set_##_func)
>> 864
>> 865 #define ide_devset_w(_name, _func) \
>> 866 IDE_DEVSET(_name, 0, NULL, set_##_func)
>> 867
>> 868 #define ide_ext_devset_rw(_name, _func) \
>> 869 __IDE_DEVSET(_name, 0, get_##_func, set_##_func)
>> 870
>> 871 #define ide_ext_devset_rw_sync(_name, _func) \
>> 872 __IDE_DEVSET(_name, DS_SYNC, get_##_func, set_##_func)
>> 873
>> 874 #define ide_decl_devset(_name) \
>> 875 extern const struct ide_devset ide_devset_##_name
>> 876
>> 877 ide_decl_devset(io_32bit);
>> 878 ide_decl_devset(keepsettings);
>> 879 ide_decl_devset(pio_mode);
>> 880 ide_decl_devset(unmaskirq);
>> 881 ide_decl_devset(using_dma);
>> 882
>> 883 #ifdef CONFIG_IDE_PROC_FS
680 /* 884 /*
681 * /proc/ide interface 885 * /proc/ide interface
682 */ 886 */
>> 887
>> 888 #define ide_devset_rw_field(_name, _field) \
>> 889 ide_devset_get(_name, _field); \
>> 890 ide_devset_set(_name, _field); \
>> 891 IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name)
>> 892
>> 893 #define ide_devset_rw_flag(_name, _field) \
>> 894 ide_devset_get_flag(_name, _field); \
>> 895 ide_devset_set_flag(_name, _field); \
>> 896 IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name)
>> 897
>> 898 struct ide_proc_devset {
>> 899 const char *name;
>> 900 const struct ide_devset *setting;
>> 901 int min, max;
>> 902 int (*mulf)(ide_drive_t *);
>> 903 int (*divf)(ide_drive_t *);
>> 904 };
>> 905
>> 906 #define __IDE_PROC_DEVSET(_name, _min, _max, _mulf, _divf) { \
>> 907 .name = __stringify(_name), \
>> 908 .setting = &ide_devset_##_name, \
>> 909 .min = _min, \
>> 910 .max = _max, \
>> 911 .mulf = _mulf, \
>> 912 .divf = _divf, \
>> 913 }
>> 914
>> 915 #define IDE_PROC_DEVSET(_name, _min, _max) \
>> 916 __IDE_PROC_DEVSET(_name, _min, _max, NULL, NULL)
>> 917
683 typedef struct { 918 typedef struct {
684 const char *name; 919 const char *name;
685 mode_t mode; 920 mode_t mode;
686 read_proc_t *read_proc; 921 read_proc_t *read_proc;
687 write_proc_t *write_proc; 922 write_proc_t *write_proc;
688 } ide_proc_entry_t; 923 } ide_proc_entry_t;
689 924
690 void proc_ide_create(void); 925 void proc_ide_create(void);
691 void proc_ide_destroy(void); 926 void proc_ide_destroy(void);
692 void ide_proc_register_port(ide_hwif_t *); 927 void ide_proc_register_port(ide_hwif_t *);
693 void ide_proc_port_register_devices(ide_hwif_t 928 void ide_proc_port_register_devices(ide_hwif_t *);
>> 929 void ide_proc_unregister_device(ide_drive_t *);
694 void ide_proc_unregister_port(ide_hwif_t *); 930 void ide_proc_unregister_port(ide_hwif_t *);
695 void ide_proc_register_driver(ide_drive_t *, i !! 931 void ide_proc_register_driver(ide_drive_t *, struct ide_driver *);
696 void ide_proc_unregister_driver(ide_drive_t *, !! 932 void ide_proc_unregister_driver(ide_drive_t *, struct ide_driver *);
697 <<
698 void ide_add_generic_settings(ide_drive_t *); <<
699 933
700 read_proc_t proc_ide_read_capacity; 934 read_proc_t proc_ide_read_capacity;
701 read_proc_t proc_ide_read_geometry; 935 read_proc_t proc_ide_read_geometry;
702 936
703 #ifdef CONFIG_BLK_DEV_IDEPCI <<
704 void ide_pci_create_host_proc(const char *, ge <<
705 #endif <<
706 <<
707 /* 937 /*
708 * Standard exit stuff: 938 * Standard exit stuff:
709 */ 939 */
710 #define PROC_IDE_READ_RETURN(page,start,off,co 940 #define PROC_IDE_READ_RETURN(page,start,off,count,eof,len) \
711 { \ 941 { \
712 len -= off; \ 942 len -= off; \
713 if (len < count) { \ 943 if (len < count) { \
714 *eof = 1; \ 944 *eof = 1; \
715 if (len <= 0) \ 945 if (len <= 0) \
716 return 0; \ 946 return 0; \
717 } else \ 947 } else \
718 len = count; \ 948 len = count; \
719 *start = page + off; \ 949 *start = page + off; \
720 return len; \ 950 return len; \
721 } 951 }
722 #else 952 #else
723 static inline void proc_ide_create(void) { ; } 953 static inline void proc_ide_create(void) { ; }
724 static inline void proc_ide_destroy(void) { ; 954 static inline void proc_ide_destroy(void) { ; }
725 static inline void ide_proc_register_port(ide_ 955 static inline void ide_proc_register_port(ide_hwif_t *hwif) { ; }
726 static inline void ide_proc_port_register_devi 956 static inline void ide_proc_port_register_devices(ide_hwif_t *hwif) { ; }
>> 957 static inline void ide_proc_unregister_device(ide_drive_t *drive) { ; }
727 static inline void ide_proc_unregister_port(id 958 static inline void ide_proc_unregister_port(ide_hwif_t *hwif) { ; }
728 static inline void ide_proc_register_driver(id !! 959 static inline void ide_proc_register_driver(ide_drive_t *drive,
729 static inline void ide_proc_unregister_driver( !! 960 struct ide_driver *driver) { ; }
730 static inline void ide_add_generic_settings(id !! 961 static inline void ide_proc_unregister_driver(ide_drive_t *drive,
>> 962 struct ide_driver *driver) { ; }
731 #define PROC_IDE_READ_RETURN(page,start,off,co 963 #define PROC_IDE_READ_RETURN(page,start,off,count,eof,len) return 0;
732 #endif 964 #endif
733 965
>> 966 enum {
>> 967 /* enter/exit functions */
>> 968 IDE_DBG_FUNC = (1 << 0),
>> 969 /* sense key/asc handling */
>> 970 IDE_DBG_SENSE = (1 << 1),
>> 971 /* packet commands handling */
>> 972 IDE_DBG_PC = (1 << 2),
>> 973 /* request handling */
>> 974 IDE_DBG_RQ = (1 << 3),
>> 975 /* driver probing/setup */
>> 976 IDE_DBG_PROBE = (1 << 4),
>> 977 };
>> 978
>> 979 /* DRV_NAME has to be defined in the driver before using the macro below */
>> 980 #define __ide_debug_log(lvl, fmt, args...) \
>> 981 { \
>> 982 if (unlikely(drive->debug_mask & lvl)) \
>> 983 printk(KERN_INFO DRV_NAME ": %s: " fmt "\n", \
>> 984 __func__, ## args); \
>> 985 }
>> 986
734 /* 987 /*
735 * Power Management step value (rq->pm->pm_ste !! 988 * Power Management state machine (rq->pm->pm_step).
736 * <<
737 * The step value starts at 0 (ide_pm_state_st <<
738 * suspend operation or 1000 (ide_pm_state_sta <<
739 * resume operation. <<
740 * 989 *
741 * For each step, the core calls the subdriver !! 990 * For each step, the core calls ide_start_power_step() first.
742 * This can return: 991 * This can return:
743 * - ide_stopped : In this case, the core 992 * - ide_stopped : In this case, the core calls us back again unless
744 * step have been set to 993 * step have been set to ide_power_state_completed.
745 * - ide_started : In this case, the chan 994 * - ide_started : In this case, the channel is left busy until an
746 * async event (interrupt 995 * async event (interrupt) occurs.
747 * Typically, start_power_step() will issue a !! 996 * Typically, ide_start_power_step() will issue a taskfile request with
748 * do_rw_taskfile(). 997 * do_rw_taskfile().
749 * 998 *
750 * Upon reception of the interrupt, the core w !! 999 * Upon reception of the interrupt, the core will call ide_complete_power_step()
751 * with the error code if any. This routine sh 1000 * with the error code if any. This routine should update the step value
752 * and return. It should not start a new reque 1001 * and return. It should not start a new request. The core will call
753 * start_power_step for the new step value, un !! 1002 * ide_start_power_step() for the new step value, unless step have been
754 * ide_power_state_completed. !! 1003 * set to IDE_PM_COMPLETED.
755 * <<
756 * Subdrivers are expected to define their own <<
757 * steps from 1..999 for suspend and from 1001 <<
758 * other values are reserved for future use. <<
759 */ 1004 */
760 <<
761 enum { 1005 enum {
762 ide_pm_state_completed = -1, !! 1006 IDE_PM_START_SUSPEND,
763 ide_pm_state_start_suspend = 0, !! 1007 IDE_PM_FLUSH_CACHE = IDE_PM_START_SUSPEND,
764 ide_pm_state_start_resume = 1000 !! 1008 IDE_PM_STANDBY,
>> 1009
>> 1010 IDE_PM_START_RESUME,
>> 1011 IDE_PM_RESTORE_PIO = IDE_PM_START_RESUME,
>> 1012 IDE_PM_IDLE,
>> 1013 IDE_PM_RESTORE_DMA,
>> 1014
>> 1015 IDE_PM_COMPLETED,
765 }; 1016 };
766 1017
>> 1018 int generic_ide_suspend(struct device *, pm_message_t);
>> 1019 int generic_ide_resume(struct device *);
>> 1020
>> 1021 void ide_complete_power_step(ide_drive_t *, struct request *);
>> 1022 ide_startstop_t ide_start_power_step(ide_drive_t *, struct request *);
>> 1023 void ide_complete_pm_rq(ide_drive_t *, struct request *);
>> 1024 void ide_check_pm_state(ide_drive_t *, struct request *);
>> 1025
767 /* 1026 /*
768 * Subdrivers support. 1027 * Subdrivers support.
769 * 1028 *
770 * The gendriver.owner field should be set to 1029 * The gendriver.owner field should be set to the module owner of this driver.
771 * The gendriver.name field should be set to t 1030 * The gendriver.name field should be set to the name of this driver
772 */ 1031 */
773 struct ide_driver_s { !! 1032 struct ide_driver {
774 const char *versi 1033 const char *version;
775 u8 media; <<
776 unsigned supports_dsc_overlap : 1; <<
777 ide_startstop_t (*do_request)(ide_driv 1034 ide_startstop_t (*do_request)(ide_drive_t *, struct request *, sector_t);
778 int (*end_request)(ide_dri <<
779 ide_startstop_t (*error)(ide_drive_t * <<
780 ide_startstop_t (*abort)(ide_drive_t * <<
781 struct device_driver gen_driver; 1035 struct device_driver gen_driver;
782 int (*probe)(ide_drive_t * 1036 int (*probe)(ide_drive_t *);
783 void (*remove)(ide_drive_t 1037 void (*remove)(ide_drive_t *);
784 void (*resume)(ide_drive_t 1038 void (*resume)(ide_drive_t *);
785 void (*shutdown)(ide_drive_ 1039 void (*shutdown)(ide_drive_t *);
786 #ifdef CONFIG_IDE_PROC_FS 1040 #ifdef CONFIG_IDE_PROC_FS
787 ide_proc_entry_t *proc; !! 1041 ide_proc_entry_t * (*proc_entries)(ide_drive_t *);
>> 1042 const struct ide_proc_devset * (*proc_devsets)(ide_drive_t *);
788 #endif 1043 #endif
789 }; 1044 };
790 1045
791 #define to_ide_driver(drv) container_of(drv, i !! 1046 #define to_ide_driver(drv) container_of(drv, struct ide_driver, gen_driver)
792 1047
793 int generic_ide_ioctl(ide_drive_t *, struct fi !! 1048 int ide_device_get(ide_drive_t *);
>> 1049 void ide_device_put(ide_drive_t *);
794 1050
795 /* !! 1051 struct ide_ioctl_devset {
796 * ide_hwifs[] is the master data structure us !! 1052 unsigned int get_ioctl;
797 * of just about everything in ide.c. Wheneve !! 1053 unsigned int set_ioctl;
798 * should be using pointers to a drive (ide_dr !! 1054 const struct ide_devset *setting;
799 * pointers to a hwif (ide_hwif_t *), rather t !! 1055 };
800 * structure directly (the allocation/layout m !! 1056
801 * !! 1057 int ide_setting_ioctl(ide_drive_t *, struct block_device *, unsigned int,
802 */ !! 1058 unsigned long, const struct ide_ioctl_devset *);
803 #ifndef _IDE_C <<
804 extern ide_hwif_t ide_hwifs[]; <<
805 #endif <<
806 extern int noautodma; <<
807 1059
808 extern int ide_end_request (ide_drive_t *drive !! 1060 int generic_ide_ioctl(ide_drive_t *, struct block_device *, unsigned, unsigned long);
809 int ide_end_dequeued_request(ide_drive_t *driv <<
810 int uptodate, int <<
811 1061
812 extern void ide_set_handler (ide_drive_t *driv !! 1062 extern int ide_vlb_clk;
>> 1063 extern int ide_pci_clk;
813 1064
814 void ide_execute_command(ide_drive_t *, u8, id !! 1065 int ide_end_rq(ide_drive_t *, struct request *, int, unsigned int);
815 ide_expiry_t *); !! 1066 void ide_kill_rq(ide_drive_t *, struct request *);
816 1067
817 ide_startstop_t __ide_error(ide_drive_t *, str !! 1068 void __ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int);
>> 1069 void ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int);
818 1070
819 ide_startstop_t ide_error (ide_drive_t *drive, !! 1071 void ide_execute_command(ide_drive_t *, struct ide_cmd *, ide_handler_t *,
>> 1072 unsigned int);
820 1073
821 ide_startstop_t __ide_abort(ide_drive_t *, str !! 1074 void ide_pad_transfer(ide_drive_t *, int, int);
822 1075
823 extern ide_startstop_t ide_abort(ide_drive_t * !! 1076 ide_startstop_t ide_error(ide_drive_t *, const char *, u8);
824 1077
825 extern void ide_fix_driveid(struct hd_driveid !! 1078 void ide_fix_driveid(u16 *);
826 1079
827 extern void ide_fixstring(u8 *, const int, con 1080 extern void ide_fixstring(u8 *, const int, const int);
828 1081
>> 1082 int ide_busy_sleep(ide_drive_t *, unsigned long, int);
>> 1083
829 int ide_wait_stat(ide_startstop_t *, ide_drive 1084 int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
830 1085
>> 1086 ide_startstop_t ide_do_park_unpark(ide_drive_t *, struct request *);
>> 1087 ide_startstop_t ide_do_devset(ide_drive_t *, struct request *);
>> 1088
831 extern ide_startstop_t ide_do_reset (ide_drive 1089 extern ide_startstop_t ide_do_reset (ide_drive_t *);
832 1090
833 extern void ide_init_drive_cmd (struct request !! 1091 extern int ide_devset_execute(ide_drive_t *drive,
>> 1092 const struct ide_devset *setting, int arg);
834 1093
835 /* !! 1094 void ide_complete_cmd(ide_drive_t *, struct ide_cmd *, u8, u8);
836 * "action" parameter type for ide_do_drive_cm !! 1095 int ide_complete_rq(ide_drive_t *, int, unsigned int);
837 */ <<
838 typedef enum { <<
839 ide_wait, /* insert rq at end of <<
840 ide_preempt, /* insert rq in front <<
841 ide_head_wait, /* insert rq in front <<
842 ide_end /* insert rq at end of <<
843 } ide_action_t; <<
844 1096
845 extern int ide_do_drive_cmd(ide_drive_t *, str !! 1097 void ide_tf_readback(ide_drive_t *drive, struct ide_cmd *cmd);
>> 1098 void ide_tf_dump(const char *, struct ide_cmd *);
846 1099
847 extern void ide_end_drive_cmd(ide_drive_t *, u !! 1100 void ide_exec_command(ide_hwif_t *, u8);
>> 1101 u8 ide_read_status(ide_hwif_t *);
>> 1102 u8 ide_read_altstatus(ide_hwif_t *);
>> 1103 void ide_write_devctl(ide_hwif_t *, u8);
848 1104
849 enum { !! 1105 void ide_dev_select(ide_drive_t *);
850 IDE_TFLAG_LBA48 = (1 < !! 1106 void ide_tf_load(ide_drive_t *, struct ide_taskfile *, u8);
851 IDE_TFLAG_NO_SELECT_MASK = (1 < !! 1107 void ide_tf_read(ide_drive_t *, struct ide_taskfile *, u8);
852 IDE_TFLAG_FLAGGED = (1 < <<
853 IDE_TFLAG_OUT_DATA = (1 < <<
854 IDE_TFLAG_OUT_HOB_FEATURE = (1 < <<
855 IDE_TFLAG_OUT_HOB_NSECT = (1 < <<
856 IDE_TFLAG_OUT_HOB_LBAL = (1 < <<
857 IDE_TFLAG_OUT_HOB_LBAM = (1 < <<
858 IDE_TFLAG_OUT_HOB_LBAH = (1 < <<
859 IDE_TFLAG_OUT_HOB = IDE_ <<
860 IDE_ <<
861 IDE_ <<
862 IDE_ <<
863 IDE_ <<
864 IDE_TFLAG_OUT_FEATURE = (1 < <<
865 IDE_TFLAG_OUT_NSECT = (1 < <<
866 IDE_TFLAG_OUT_LBAL = (1 < <<
867 IDE_TFLAG_OUT_LBAM = (1 < <<
868 IDE_TFLAG_OUT_LBAH = (1 < <<
869 IDE_TFLAG_OUT_TF = IDE_ <<
870 IDE_ <<
871 IDE_ <<
872 IDE_ <<
873 IDE_ <<
874 IDE_TFLAG_OUT_DEVICE = (1 < <<
875 IDE_TFLAG_WRITE = (1 < <<
876 IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 < <<
877 IDE_TFLAG_IN_DATA = (1 < <<
878 IDE_TFLAG_CUSTOM_HANDLER = (1 < <<
879 IDE_TFLAG_DMA_PIO_FALLBACK = (1 < <<
880 IDE_TFLAG_IN_HOB_FEATURE = (1 < <<
881 IDE_TFLAG_IN_HOB_NSECT = (1 < <<
882 IDE_TFLAG_IN_HOB_LBAL = (1 < <<
883 IDE_TFLAG_IN_HOB_LBAM = (1 < <<
884 IDE_TFLAG_IN_HOB_LBAH = (1 < <<
885 IDE_TFLAG_IN_HOB_LBA = IDE_ <<
886 IDE_ <<
887 IDE_ <<
888 IDE_TFLAG_IN_HOB = IDE_ <<
889 IDE_ <<
890 IDE_ <<
891 IDE_TFLAG_IN_NSECT = (1 < <<
892 IDE_TFLAG_IN_LBAL = (1 < <<
893 IDE_TFLAG_IN_LBAM = (1 < <<
894 IDE_TFLAG_IN_LBAH = (1 < <<
895 IDE_TFLAG_IN_LBA = IDE_ <<
896 IDE_ <<
897 IDE_ <<
898 IDE_TFLAG_IN_TF = IDE_ <<
899 IDE_ <<
900 IDE_TFLAG_IN_DEVICE = (1 < <<
901 IDE_TFLAG_HOB = IDE_ <<
902 IDE_ <<
903 IDE_TFLAG_TF = IDE_ <<
904 IDE_ <<
905 IDE_TFLAG_DEVICE = IDE_ <<
906 IDE_ <<
907 /* force 16-bit I/O operations */ <<
908 IDE_TFLAG_IO_16BIT = (1 < <<
909 /* ide_task_t was allocated using kmal <<
910 IDE_TFLAG_DYN = (1 < <<
911 }; <<
912 1108
913 struct ide_taskfile { !! 1109 void ide_input_data(ide_drive_t *, struct ide_cmd *, void *, unsigned int);
914 u8 hob_data; /* 0: high da !! 1110 void ide_output_data(ide_drive_t *, struct ide_cmd *, void *, unsigned int);
915 1111
916 u8 hob_feature; /* 1-5: addit !! 1112 void SELECT_MASK(ide_drive_t *, int);
917 u8 hob_nsect; <<
918 u8 hob_lbal; <<
919 u8 hob_lbam; <<
920 u8 hob_lbah; <<
921 <<
922 u8 data; /* 6: low dat <<
923 <<
924 union { /* 7: */ <<
925 u8 error; /* read: er <<
926 u8 feature; /* write: fea <<
927 }; <<
928 1113
929 u8 nsect; /* 8: number !! 1114 u8 ide_read_error(ide_drive_t *);
930 u8 lbal; /* 9: LBA low !! 1115 void ide_read_bcount_and_ireason(ide_drive_t *, u16 *, u8 *);
931 u8 lbam; /* 10: LBA mid <<
932 u8 lbah; /* 11: LBA hig <<
933 1116
934 u8 device; /* 12: device !! 1117 int ide_check_ireason(ide_drive_t *, struct request *, int, int, int);
935 1118
936 union { /* 13: */ !! 1119 int ide_check_atapi_device(ide_drive_t *, const char *);
937 u8 status; /* read: sta !! 1120
938 u8 command; /* write: comm !! 1121 void ide_init_pc(struct ide_atapi_pc *);
939 }; !! 1122
>> 1123 /* Disk head parking */
>> 1124 extern wait_queue_head_t ide_park_wq;
>> 1125 ssize_t ide_park_show(struct device *dev, struct device_attribute *attr,
>> 1126 char *buf);
>> 1127 ssize_t ide_park_store(struct device *dev, struct device_attribute *attr,
>> 1128 const char *buf, size_t len);
>> 1129
>> 1130 /*
>> 1131 * Special requests for ide-tape block device strategy routine.
>> 1132 *
>> 1133 * In order to service a character device command, we add special requests to
>> 1134 * the tail of our block device request queue and wait for their completion.
>> 1135 */
>> 1136 enum {
>> 1137 REQ_IDETAPE_PC1 = (1 << 0), /* packet command (first stage) */
>> 1138 REQ_IDETAPE_PC2 = (1 << 1), /* packet command (second stage) */
>> 1139 REQ_IDETAPE_READ = (1 << 2),
>> 1140 REQ_IDETAPE_WRITE = (1 << 3),
940 }; 1141 };
941 1142
942 typedef struct ide_task_s { !! 1143 int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *,
943 union { !! 1144 void *, unsigned int);
944 struct ide_taskfile tf; !! 1145
945 u8 tf_arr !! 1146 int ide_do_test_unit_ready(ide_drive_t *, struct gendisk *);
946 }; !! 1147 int ide_do_start_stop(ide_drive_t *, struct gendisk *, int);
947 u32 tf_flags; !! 1148 int ide_set_media_lock(ide_drive_t *, struct gendisk *, int);
948 int data_phase; !! 1149 void ide_create_request_sense_cmd(ide_drive_t *, struct ide_atapi_pc *);
949 struct request *rq; !! 1150 void ide_retry_pc(ide_drive_t *drive);
950 void *special; <<
951 } ide_task_t; <<
952 1151
953 void ide_tf_load(ide_drive_t *, ide_task_t *); !! 1152 void ide_prep_sense(ide_drive_t *drive, struct request *rq);
954 void ide_tf_read(ide_drive_t *, ide_task_t *); !! 1153 int ide_queue_sense_rq(ide_drive_t *drive, void *special);
955 1154
956 extern void SELECT_DRIVE(ide_drive_t *); !! 1155 int ide_cd_expiry(ide_drive_t *);
957 extern void SELECT_MASK(ide_drive_t *, int); <<
958 1156
959 extern int drive_is_ready(ide_drive_t *); !! 1157 int ide_cd_get_xferlen(struct request *);
960 1158
961 void ide_pktcmd_tf_load(ide_drive_t *, u32, u1 !! 1159 ide_startstop_t ide_issue_pc(ide_drive_t *, struct ide_cmd *);
962 1160
963 ide_startstop_t do_rw_taskfile(ide_drive_t *, !! 1161 ide_startstop_t do_rw_taskfile(ide_drive_t *, struct ide_cmd *);
964 1162
965 void task_end_request(ide_drive_t *, struct re !! 1163 void ide_pio_bytes(ide_drive_t *, struct ide_cmd *, unsigned int, unsigned int);
966 1164
967 int ide_raw_taskfile(ide_drive_t *, ide_task_t !! 1165 void ide_finish_cmd(ide_drive_t *, struct ide_cmd *, u8);
968 int ide_no_data_taskfile(ide_drive_t *, ide_ta <<
969 1166
970 int ide_taskfile_ioctl(ide_drive_t *, unsigned !! 1167 int ide_raw_taskfile(ide_drive_t *, struct ide_cmd *, u8 *, u16);
971 int ide_cmd_ioctl(ide_drive_t *, unsigned int, !! 1168 int ide_no_data_taskfile(ide_drive_t *, struct ide_cmd *);
972 int ide_task_ioctl(ide_drive_t *, unsigned int <<
973 1169
974 extern int system_bus_clock(void); !! 1170 int ide_taskfile_ioctl(ide_drive_t *, unsigned long);
>> 1171
>> 1172 int ide_dev_read_id(ide_drive_t *, u8, u16 *);
975 1173
976 extern int ide_driveid_update(ide_drive_t *); 1174 extern int ide_driveid_update(ide_drive_t *);
977 extern int ide_config_drive_speed(ide_drive_t 1175 extern int ide_config_drive_speed(ide_drive_t *, u8);
978 extern u8 eighty_ninty_three (ide_drive_t *); 1176 extern u8 eighty_ninty_three (ide_drive_t *);
979 extern int taskfile_lib_get_identify(ide_drive 1177 extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *);
980 1178
981 extern int ide_wait_not_busy(ide_hwif_t *hwif, 1179 extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout);
982 1180
983 extern void ide_stall_queue(ide_drive_t *drive 1181 extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout);
984 1182
985 extern int ide_spin_wait_hwgroup(ide_drive_t * <<
986 extern void ide_timer_expiry(unsigned long); 1183 extern void ide_timer_expiry(unsigned long);
987 extern irqreturn_t ide_intr(int irq, void *dev 1184 extern irqreturn_t ide_intr(int irq, void *dev_id);
988 extern void do_ide_request(struct request_queu 1185 extern void do_ide_request(struct request_queue *);
989 1186
990 void ide_init_disk(struct gendisk *, ide_drive 1187 void ide_init_disk(struct gendisk *, ide_drive_t *);
991 1188
992 #ifdef CONFIG_IDEPCI_PCIBUS_ORDER 1189 #ifdef CONFIG_IDEPCI_PCIBUS_ORDER
993 extern int ide_scan_direction; <<
994 extern int __ide_pci_register_driver(struct pc 1190 extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *owner, const char *mod_name);
995 #define ide_pci_register_driver(d) __ide_pci_r 1191 #define ide_pci_register_driver(d) __ide_pci_register_driver(d, THIS_MODULE, KBUILD_MODNAME)
996 #else 1192 #else
997 #define ide_pci_register_driver(d) pci_registe 1193 #define ide_pci_register_driver(d) pci_register_driver(d)
998 #endif 1194 #endif
999 1195
1000 void ide_pci_setup_ports(struct pci_dev *, co !! 1196 static inline int ide_pci_is_in_compatibility_mode(struct pci_dev *dev)
>> 1197 {
>> 1198 if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE && (dev->class & 5) != 5)
>> 1199 return 1;
>> 1200 return 0;
>> 1201 }
>> 1202
>> 1203 void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *,
>> 1204 struct ide_hw *, struct ide_hw **);
1001 void ide_setup_pci_noise(struct pci_dev *, co 1205 void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *);
1002 1206
1003 #ifdef CONFIG_BLK_DEV_IDEDMA_PCI 1207 #ifdef CONFIG_BLK_DEV_IDEDMA_PCI
1004 void ide_hwif_setup_dma(ide_hwif_t *, const s !! 1208 int ide_pci_set_master(struct pci_dev *, const char *);
>> 1209 unsigned long ide_pci_dma_base(ide_hwif_t *, const struct ide_port_info *);
>> 1210 int ide_pci_check_simplex(ide_hwif_t *, const struct ide_port_info *);
>> 1211 int ide_hwif_setup_dma(ide_hwif_t *, const struct ide_port_info *);
1005 #else 1212 #else
1006 static inline void ide_hwif_setup_dma(ide_hwi !! 1213 static inline int ide_hwif_setup_dma(ide_hwif_t *hwif,
1007 const s !! 1214 const struct ide_port_info *d)
>> 1215 {
>> 1216 return -EINVAL;
>> 1217 }
1008 #endif 1218 #endif
1009 1219
1010 extern void default_hwif_iops(ide_hwif_t *); !! 1220 struct ide_pci_enablebit {
1011 extern void default_hwif_mmiops(ide_hwif_t *) <<
1012 extern void default_hwif_transport(ide_hwif_t <<
1013 <<
1014 typedef struct ide_pci_enablebit_s { <<
1015 u8 reg; /* byte pci reg holdi 1221 u8 reg; /* byte pci reg holding the enable-bit */
1016 u8 mask; /* mask to isolate th 1222 u8 mask; /* mask to isolate the enable-bit */
1017 u8 val; /* value of masked re 1223 u8 val; /* value of masked reg when "enabled" */
1018 } ide_pci_enablebit_t; !! 1224 };
1019 1225
1020 enum { 1226 enum {
1021 /* Uses ISA control ports not PCI one 1227 /* Uses ISA control ports not PCI ones. */
1022 IDE_HFLAG_ISA_PORTS = (1 1228 IDE_HFLAG_ISA_PORTS = (1 << 0),
1023 /* single port device */ 1229 /* single port device */
1024 IDE_HFLAG_SINGLE = (1 1230 IDE_HFLAG_SINGLE = (1 << 1),
1025 /* don't use legacy PIO blacklist */ 1231 /* don't use legacy PIO blacklist */
1026 IDE_HFLAG_PIO_NO_BLACKLIST = (1 1232 IDE_HFLAG_PIO_NO_BLACKLIST = (1 << 2),
1027 /* don't use conservative PIO "downgr !! 1233 /* set for the second port of QD65xx */
1028 IDE_HFLAG_PIO_NO_DOWNGRADE = (1 !! 1234 IDE_HFLAG_QD_2ND_PORT = (1 << 3),
1029 /* use PIO8/9 for prefetch off/on */ 1235 /* use PIO8/9 for prefetch off/on */
1030 IDE_HFLAG_ABUSE_PREFETCH = (1 1236 IDE_HFLAG_ABUSE_PREFETCH = (1 << 4),
1031 /* use PIO6/7 for fast-devsel off/on 1237 /* use PIO6/7 for fast-devsel off/on */
1032 IDE_HFLAG_ABUSE_FAST_DEVSEL = (1 1238 IDE_HFLAG_ABUSE_FAST_DEVSEL = (1 << 5),
1033 /* use 100-102 and 200-202 PIO values 1239 /* use 100-102 and 200-202 PIO values to set DMA modes */
1034 IDE_HFLAG_ABUSE_DMA_MODES = (1 1240 IDE_HFLAG_ABUSE_DMA_MODES = (1 << 6),
1035 /* 1241 /*
1036 * keep DMA setting when programming 1242 * keep DMA setting when programming PIO mode, may be used only
1037 * for hosts which have separate PIO 1243 * for hosts which have separate PIO and DMA timings (ie. PMAC)
1038 */ 1244 */
1039 IDE_HFLAG_SET_PIO_MODE_KEEP_DMA = (1 1245 IDE_HFLAG_SET_PIO_MODE_KEEP_DMA = (1 << 7),
1040 /* program host for the transfer mode 1246 /* program host for the transfer mode after programming device */
1041 IDE_HFLAG_POST_SET_MODE = (1 1247 IDE_HFLAG_POST_SET_MODE = (1 << 8),
1042 /* don't program host/device for the 1248 /* don't program host/device for the transfer mode ("smart" hosts) */
1043 IDE_HFLAG_NO_SET_MODE = (1 1249 IDE_HFLAG_NO_SET_MODE = (1 << 9),
1044 /* trust BIOS for programming chipset 1250 /* trust BIOS for programming chipset/device for DMA */
1045 IDE_HFLAG_TRUST_BIOS_FOR_DMA = (1 1251 IDE_HFLAG_TRUST_BIOS_FOR_DMA = (1 << 10),
1046 /* host uses VDMA (tied with IDE_HFLA !! 1252 /* host is CS5510/CS5520 */
1047 IDE_HFLAG_VDMA = (1 !! 1253 IDE_HFLAG_CS5520 = (1 << 11),
1048 /* ATAPI DMA is unsupported */ 1254 /* ATAPI DMA is unsupported */
1049 IDE_HFLAG_NO_ATAPI_DMA = (1 1255 IDE_HFLAG_NO_ATAPI_DMA = (1 << 12),
1050 /* set if host is a "bootable" contro !! 1256 /* set if host is a "non-bootable" controller */
1051 IDE_HFLAG_BOOTABLE = (1 !! 1257 IDE_HFLAG_NON_BOOTABLE = (1 << 13),
1052 /* host doesn't support DMA */ 1258 /* host doesn't support DMA */
1053 IDE_HFLAG_NO_DMA = (1 1259 IDE_HFLAG_NO_DMA = (1 << 14),
1054 /* check if host is PCI IDE device be 1260 /* check if host is PCI IDE device before allowing DMA */
1055 IDE_HFLAG_NO_AUTODMA = (1 1261 IDE_HFLAG_NO_AUTODMA = (1 << 15),
1056 /* don't autotune PIO */ !! 1262 /* host uses MMIO */
1057 IDE_HFLAG_NO_AUTOTUNE = (1 !! 1263 IDE_HFLAG_MMIO = (1 << 16),
1058 /* host is CS5510/CS5520 */ <<
1059 IDE_HFLAG_CS5520 = IDE <<
1060 /* no LBA48 */ 1264 /* no LBA48 */
1061 IDE_HFLAG_NO_LBA48 = (1 1265 IDE_HFLAG_NO_LBA48 = (1 << 17),
1062 /* no LBA48 DMA */ 1266 /* no LBA48 DMA */
1063 IDE_HFLAG_NO_LBA48_DMA = (1 1267 IDE_HFLAG_NO_LBA48_DMA = (1 << 18),
1064 /* data FIFO is cleared by an error * 1268 /* data FIFO is cleared by an error */
1065 IDE_HFLAG_ERROR_STOPS_FIFO = (1 1269 IDE_HFLAG_ERROR_STOPS_FIFO = (1 << 19),
1066 /* serialize ports */ 1270 /* serialize ports */
1067 IDE_HFLAG_SERIALIZE = (1 1271 IDE_HFLAG_SERIALIZE = (1 << 20),
1068 /* use legacy IRQs */ !! 1272 /* host is DTC2278 */
1069 IDE_HFLAG_LEGACY_IRQS = (1 !! 1273 IDE_HFLAG_DTC2278 = (1 << 21),
1070 /* force use of legacy IRQs */ !! 1274 /* 4 devices on a single set of I/O ports */
1071 IDE_HFLAG_FORCE_LEGACY_IRQS = (1 !! 1275 IDE_HFLAG_4DRIVES = (1 << 22),
1072 /* limit LBA48 requests to 256 sector !! 1276 /* host is TRM290 */
1073 IDE_HFLAG_RQSIZE_256 = (1 !! 1277 IDE_HFLAG_TRM290 = (1 << 23),
1074 /* use 32-bit I/O ops */ 1278 /* use 32-bit I/O ops */
1075 IDE_HFLAG_IO_32BIT = (1 1279 IDE_HFLAG_IO_32BIT = (1 << 24),
1076 /* unmask IRQs */ 1280 /* unmask IRQs */
1077 IDE_HFLAG_UNMASK_IRQS = (1 1281 IDE_HFLAG_UNMASK_IRQS = (1 << 25),
1078 IDE_HFLAG_ABUSE_SET_DMA_MODE = (1 !! 1282 IDE_HFLAG_BROKEN_ALTSTATUS = (1 << 26),
1079 /* host is CY82C693 */ !! 1283 /* serialize ports if DMA is possible (for sl82c105) */
1080 IDE_HFLAG_CY82C693 = (1 !! 1284 IDE_HFLAG_SERIALIZE_DMA = (1 << 27),
1081 /* force host out of "simplex" mode * 1285 /* force host out of "simplex" mode */
1082 IDE_HFLAG_CLEAR_SIMPLEX = (1 1286 IDE_HFLAG_CLEAR_SIMPLEX = (1 << 28),
1083 /* DSC overlap is unsupported */ 1287 /* DSC overlap is unsupported */
1084 IDE_HFLAG_NO_DSC = (1 1288 IDE_HFLAG_NO_DSC = (1 << 29),
1085 /* never use 32-bit I/O ops */ 1289 /* never use 32-bit I/O ops */
1086 IDE_HFLAG_NO_IO_32BIT = (1 1290 IDE_HFLAG_NO_IO_32BIT = (1 << 30),
1087 /* never unmask IRQs */ 1291 /* never unmask IRQs */
1088 IDE_HFLAG_NO_UNMASK_IRQS = (1 1292 IDE_HFLAG_NO_UNMASK_IRQS = (1 << 31),
1089 }; 1293 };
1090 1294
1091 #ifdef CONFIG_BLK_DEV_OFFBOARD 1295 #ifdef CONFIG_BLK_DEV_OFFBOARD
1092 # define IDE_HFLAG_OFF_BOARD IDE_HFLAG_BOO <<
1093 #else <<
1094 # define IDE_HFLAG_OFF_BOARD 0 1296 # define IDE_HFLAG_OFF_BOARD 0
>> 1297 #else
>> 1298 # define IDE_HFLAG_OFF_BOARD IDE_HFLAG_NON_BOOTABLE
1095 #endif 1299 #endif
1096 1300
1097 struct ide_port_info { 1301 struct ide_port_info {
1098 char *name; 1302 char *name;
1099 unsigned int (*init_chipse !! 1303
>> 1304 int (*init_chipset)(struct pci_dev *);
>> 1305
>> 1306 void (*get_lock)(irq_handler_t, void *);
>> 1307 void (*release_lock)(void);
>> 1308
1100 void (*init_iops)( 1309 void (*init_iops)(ide_hwif_t *);
1101 void (*init_hwif)( 1310 void (*init_hwif)(ide_hwif_t *);
1102 void (*init_dma)(i !! 1311 int (*init_dma)(ide_hwif_t *,
1103 ide_pci_enablebit_t enablebits[2] !! 1312 const struct ide_port_info *);
>> 1313
>> 1314 const struct ide_tp_ops *tp_ops;
>> 1315 const struct ide_port_ops *port_ops;
>> 1316 const struct ide_dma_ops *dma_ops;
>> 1317
>> 1318 struct ide_pci_enablebit enablebits[2];
>> 1319
1104 hwif_chipset_t chipset; 1320 hwif_chipset_t chipset;
1105 u8 extra; !! 1321
>> 1322 u16 max_sectors; /* if < than the default one */
>> 1323
1106 u32 host_flags; 1324 u32 host_flags;
>> 1325
>> 1326 int irq_flags;
>> 1327
1107 u8 pio_mask; 1328 u8 pio_mask;
1108 u8 swdma_mask; 1329 u8 swdma_mask;
1109 u8 mwdma_mask; 1330 u8 mwdma_mask;
1110 u8 udma_mask; 1331 u8 udma_mask;
1111 }; 1332 };
1112 1333
1113 int ide_setup_pci_device(struct pci_dev *, co !! 1334 int ide_pci_init_one(struct pci_dev *, const struct ide_port_info *, void *);
1114 int ide_setup_pci_devices(struct pci_dev *, s !! 1335 int ide_pci_init_two(struct pci_dev *, struct pci_dev *,
>> 1336 const struct ide_port_info *, void *);
>> 1337 void ide_pci_remove(struct pci_dev *);
>> 1338
>> 1339 #ifdef CONFIG_PM
>> 1340 int ide_pci_suspend(struct pci_dev *, pm_message_t);
>> 1341 int ide_pci_resume(struct pci_dev *);
>> 1342 #else
>> 1343 #define ide_pci_suspend NULL
>> 1344 #define ide_pci_resume NULL
>> 1345 #endif
1115 1346
1116 void ide_map_sg(ide_drive_t *, struct request !! 1347 void ide_map_sg(ide_drive_t *, struct ide_cmd *);
1117 void ide_init_sg_cmd(ide_drive_t *, struct re !! 1348 void ide_init_sg_cmd(struct ide_cmd *, unsigned int);
1118 1349
1119 #define BAD_DMA_DRIVE 0 1350 #define BAD_DMA_DRIVE 0
1120 #define GOOD_DMA_DRIVE 1 1351 #define GOOD_DMA_DRIVE 1
1121 1352
1122 struct drive_list_entry { 1353 struct drive_list_entry {
1123 const char *id_model; 1354 const char *id_model;
1124 const char *id_firmware; 1355 const char *id_firmware;
1125 }; 1356 };
1126 1357
1127 int ide_in_drive_list(struct hd_driveid *, co !! 1358 int ide_in_drive_list(u16 *, const struct drive_list_entry *);
1128 1359
1129 #ifdef CONFIG_BLK_DEV_IDEDMA 1360 #ifdef CONFIG_BLK_DEV_IDEDMA
>> 1361 int ide_dma_good_drive(ide_drive_t *);
1130 int __ide_dma_bad_drive(ide_drive_t *); 1362 int __ide_dma_bad_drive(ide_drive_t *);
1131 int ide_id_dma_bug(ide_drive_t *); <<
1132 1363
1133 u8 ide_find_dma_mode(ide_drive_t *, u8); 1364 u8 ide_find_dma_mode(ide_drive_t *, u8);
1134 1365
1135 static inline u8 ide_max_dma_mode(ide_drive_t 1366 static inline u8 ide_max_dma_mode(ide_drive_t *drive)
1136 { 1367 {
1137 return ide_find_dma_mode(drive, XFER_ 1368 return ide_find_dma_mode(drive, XFER_UDMA_6);
1138 } 1369 }
1139 1370
1140 void ide_dma_off_quietly(ide_drive_t *); 1371 void ide_dma_off_quietly(ide_drive_t *);
1141 void ide_dma_off(ide_drive_t *); 1372 void ide_dma_off(ide_drive_t *);
1142 void ide_dma_on(ide_drive_t *); 1373 void ide_dma_on(ide_drive_t *);
1143 int ide_set_dma(ide_drive_t *); 1374 int ide_set_dma(ide_drive_t *);
1144 void ide_check_dma_crc(ide_drive_t *); 1375 void ide_check_dma_crc(ide_drive_t *);
1145 ide_startstop_t ide_dma_intr(ide_drive_t *); 1376 ide_startstop_t ide_dma_intr(ide_drive_t *);
1146 1377
1147 int ide_build_sglist(ide_drive_t *, struct re !! 1378 int ide_allocate_dma_engine(ide_hwif_t *);
1148 void ide_destroy_dmatable(ide_drive_t *); !! 1379 void ide_release_dma_engine(ide_hwif_t *);
1149 1380
1150 #ifdef CONFIG_BLK_DEV_IDEDMA_SFF !! 1381 int ide_dma_prepare(ide_drive_t *, struct ide_cmd *);
1151 extern int ide_build_dmatable(ide_drive_t *, !! 1382 void ide_dma_unmap_sg(ide_drive_t *, struct ide_cmd *);
1152 extern int ide_release_dma(ide_hwif_t *); <<
1153 extern void ide_setup_dma(ide_hwif_t *, unsig <<
1154 1383
>> 1384 #ifdef CONFIG_BLK_DEV_IDEDMA_SFF
>> 1385 int config_drive_for_dma(ide_drive_t *);
>> 1386 int ide_build_dmatable(ide_drive_t *, struct ide_cmd *);
1155 void ide_dma_host_set(ide_drive_t *, int); 1387 void ide_dma_host_set(ide_drive_t *, int);
1156 extern int ide_dma_setup(ide_drive_t *); !! 1388 int ide_dma_setup(ide_drive_t *, struct ide_cmd *);
1157 extern void ide_dma_start(ide_drive_t *); 1389 extern void ide_dma_start(ide_drive_t *);
1158 extern int __ide_dma_end(ide_drive_t *); !! 1390 int ide_dma_end(ide_drive_t *);
1159 extern void ide_dma_lost_irq(ide_drive_t *); !! 1391 int ide_dma_test_irq(ide_drive_t *);
1160 extern void ide_dma_timeout(ide_drive_t *); !! 1392 int ide_dma_sff_timer_expiry(ide_drive_t *);
>> 1393 u8 ide_dma_sff_read_status(ide_hwif_t *);
>> 1394 extern const struct ide_dma_ops sff_dma_ops;
>> 1395 #else
>> 1396 static inline int config_drive_for_dma(ide_drive_t *drive) { return 0; }
1161 #endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ 1397 #endif /* CONFIG_BLK_DEV_IDEDMA_SFF */
1162 1398
>> 1399 void ide_dma_lost_irq(ide_drive_t *);
>> 1400 ide_startstop_t ide_dma_timeout_retry(ide_drive_t *, int);
>> 1401
1163 #else 1402 #else
1164 static inline int ide_id_dma_bug(ide_drive_t <<
1165 static inline u8 ide_find_dma_mode(ide_drive_ 1403 static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; }
1166 static inline u8 ide_max_dma_mode(ide_drive_t 1404 static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; }
1167 static inline void ide_dma_off_quietly(ide_dr 1405 static inline void ide_dma_off_quietly(ide_drive_t *drive) { ; }
1168 static inline void ide_dma_off(ide_drive_t *d 1406 static inline void ide_dma_off(ide_drive_t *drive) { ; }
1169 static inline void ide_dma_on(ide_drive_t *dr 1407 static inline void ide_dma_on(ide_drive_t *drive) { ; }
1170 static inline void ide_dma_verbose(ide_drive_ 1408 static inline void ide_dma_verbose(ide_drive_t *drive) { ; }
1171 static inline int ide_set_dma(ide_drive_t *dr 1409 static inline int ide_set_dma(ide_drive_t *drive) { return 1; }
1172 static inline void ide_check_dma_crc(ide_driv 1410 static inline void ide_check_dma_crc(ide_drive_t *drive) { ; }
>> 1411 static inline ide_startstop_t ide_dma_intr(ide_drive_t *drive) { return ide_stopped; }
>> 1412 static inline ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error) { return ide_stopped; }
>> 1413 static inline void ide_release_dma_engine(ide_hwif_t *hwif) { ; }
>> 1414 static inline int ide_dma_prepare(ide_drive_t *drive,
>> 1415 struct ide_cmd *cmd) { return 1; }
>> 1416 static inline void ide_dma_unmap_sg(ide_drive_t *drive,
>> 1417 struct ide_cmd *cmd) { ; }
1173 #endif /* CONFIG_BLK_DEV_IDEDMA */ 1418 #endif /* CONFIG_BLK_DEV_IDEDMA */
1174 1419
1175 #ifndef CONFIG_BLK_DEV_IDEDMA_SFF <<
1176 static inline void ide_release_dma(ide_hwif_t <<
1177 #endif <<
1178 <<
1179 #ifdef CONFIG_BLK_DEV_IDEACPI 1420 #ifdef CONFIG_BLK_DEV_IDEACPI
>> 1421 int ide_acpi_init(void);
>> 1422 bool ide_port_acpi(ide_hwif_t *hwif);
1180 extern int ide_acpi_exec_tfs(ide_drive_t *dri 1423 extern int ide_acpi_exec_tfs(ide_drive_t *drive);
1181 extern void ide_acpi_get_timing(ide_hwif_t *h 1424 extern void ide_acpi_get_timing(ide_hwif_t *hwif);
1182 extern void ide_acpi_push_timing(ide_hwif_t * 1425 extern void ide_acpi_push_timing(ide_hwif_t *hwif);
1183 extern void ide_acpi_init(ide_hwif_t *hwif); !! 1426 void ide_acpi_init_port(ide_hwif_t *);
1184 void ide_acpi_port_init_devices(ide_hwif_t *) 1427 void ide_acpi_port_init_devices(ide_hwif_t *);
1185 extern void ide_acpi_set_state(ide_hwif_t *hw 1428 extern void ide_acpi_set_state(ide_hwif_t *hwif, int on);
1186 #else 1429 #else
>> 1430 static inline int ide_acpi_init(void) { return 0; }
>> 1431 static inline bool ide_port_acpi(ide_hwif_t *hwif) { return 0; }
1187 static inline int ide_acpi_exec_tfs(ide_drive 1432 static inline int ide_acpi_exec_tfs(ide_drive_t *drive) { return 0; }
1188 static inline void ide_acpi_get_timing(ide_hw 1433 static inline void ide_acpi_get_timing(ide_hwif_t *hwif) { ; }
1189 static inline void ide_acpi_push_timing(ide_h 1434 static inline void ide_acpi_push_timing(ide_hwif_t *hwif) { ; }
1190 static inline void ide_acpi_init(ide_hwif_t * !! 1435 static inline void ide_acpi_init_port(ide_hwif_t *hwif) { ; }
1191 static inline void ide_acpi_port_init_devices 1436 static inline void ide_acpi_port_init_devices(ide_hwif_t *hwif) { ; }
1192 static inline void ide_acpi_set_state(ide_hwi 1437 static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {}
1193 #endif 1438 #endif
1194 1439
1195 void ide_remove_port_from_hwgroup(ide_hwif_t <<
1196 extern int ide_hwif_request_regions(ide_hwif_ <<
1197 extern void ide_hwif_release_regions(ide_hwif <<
1198 void ide_unregister(unsigned int, int, int); <<
1199 <<
1200 void ide_register_region(struct gendisk *); 1440 void ide_register_region(struct gendisk *);
1201 void ide_unregister_region(struct gendisk *); 1441 void ide_unregister_region(struct gendisk *);
1202 1442
>> 1443 void ide_check_nien_quirk_list(ide_drive_t *);
1203 void ide_undecoded_slave(ide_drive_t *); 1444 void ide_undecoded_slave(ide_drive_t *);
1204 1445
1205 int ide_device_add_all(u8 *idx, const struct !! 1446 void ide_port_apply_params(ide_hwif_t *);
1206 int ide_device_add(u8 idx[4], const struct id !! 1447 int ide_sysfs_register_port(ide_hwif_t *);
>> 1448
>> 1449 struct ide_host *ide_host_alloc(const struct ide_port_info *, struct ide_hw **,
>> 1450 unsigned int);
>> 1451 void ide_host_free(struct ide_host *);
>> 1452 int ide_host_register(struct ide_host *, const struct ide_port_info *,
>> 1453 struct ide_hw **);
>> 1454 int ide_host_add(const struct ide_port_info *, struct ide_hw **, unsigned int,
>> 1455 struct ide_host **);
>> 1456 void ide_host_remove(struct ide_host *);
>> 1457 int ide_legacy_device_add(const struct ide_port_info *, unsigned long);
>> 1458 void ide_port_unregister_devices(ide_hwif_t *);
>> 1459 void ide_port_scan(ide_hwif_t *);
1207 1460
1208 static inline void *ide_get_hwifdata (ide_hwi 1461 static inline void *ide_get_hwifdata (ide_hwif_t * hwif)
1209 { 1462 {
1210 return hwif->hwif_data; 1463 return hwif->hwif_data;
1211 } 1464 }
1212 1465
1213 static inline void ide_set_hwifdata (ide_hwif 1466 static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data)
1214 { 1467 {
1215 hwif->hwif_data = data; 1468 hwif->hwif_data = data;
1216 } 1469 }
1217 1470
1218 const char *ide_xfer_verbose(u8 mode); <<
1219 extern void ide_toggle_bounce(ide_drive_t *dr 1471 extern void ide_toggle_bounce(ide_drive_t *drive, int on);
1220 extern int ide_set_xfer_rate(ide_drive_t *dri <<
1221 <<
1222 static inline int ide_dev_has_iordy(struct hd <<
1223 { <<
1224 return ((id->field_valid & 2) && (id- <<
1225 } <<
1226 <<
1227 static inline int ide_dev_is_sata(struct hd_d <<
1228 { <<
1229 /* <<
1230 * See if word 93 is 0 AND drive is a <<
1231 * verifying that word 80 by casting <<
1232 * this trick allows us to filter out <<
1233 * 0x0000 and 0xffff along with the e <<
1234 */ <<
1235 if (id->hw_config == 0 && (short)id-> <<
1236 return 1; <<
1237 return 0; <<
1238 } <<
1239 1472
1240 u64 ide_get_lba_addr(struct ide_taskfile *, i !! 1473 u64 ide_get_lba_addr(struct ide_cmd *, int);
1241 u8 ide_dump_status(ide_drive_t *, const char 1474 u8 ide_dump_status(ide_drive_t *, const char *, u8);
1242 1475
1243 typedef struct ide_pio_timings_s { !! 1476 struct ide_timing {
1244 int setup_time; /* Address se !! 1477 u8 mode;
1245 int active_time; /* Active pul !! 1478 u8 setup; /* t1 */
1246 int cycle_time; /* Cycle time !! 1479 u16 act8b; /* t2 for 8-bit io */
1247 /* active + r !! 1480 u16 rec8b; /* t2i for 8-bit io */
1248 } ide_pio_timings_t; !! 1481 u16 cyc8b; /* t0 for 8-bit io */
>> 1482 u16 active; /* t2 or tD */
>> 1483 u16 recover; /* t2i or tK */
>> 1484 u16 cycle; /* t0 */
>> 1485 u16 udma; /* t2CYCTYP/2 */
>> 1486 };
1249 1487
1250 unsigned int ide_pio_cycle_time(ide_drive_t * !! 1488 enum {
1251 u8 ide_get_best_pio_mode(ide_drive_t *, u8, u !! 1489 IDE_TIMING_SETUP = (1 << 0),
1252 extern const ide_pio_timings_t ide_pio_timing !! 1490 IDE_TIMING_ACT8B = (1 << 1),
>> 1491 IDE_TIMING_REC8B = (1 << 2),
>> 1492 IDE_TIMING_CYC8B = (1 << 3),
>> 1493 IDE_TIMING_8BIT = IDE_TIMING_ACT8B | IDE_TIMING_REC8B |
>> 1494 IDE_TIMING_CYC8B,
>> 1495 IDE_TIMING_ACTIVE = (1 << 4),
>> 1496 IDE_TIMING_RECOVER = (1 << 5),
>> 1497 IDE_TIMING_CYCLE = (1 << 6),
>> 1498 IDE_TIMING_UDMA = (1 << 7),
>> 1499 IDE_TIMING_ALL = IDE_TIMING_SETUP | IDE_TIMING_8BIT |
>> 1500 IDE_TIMING_ACTIVE | IDE_TIMING_RECOVER |
>> 1501 IDE_TIMING_CYCLE | IDE_TIMING_UDMA,
>> 1502 };
1253 1503
>> 1504 struct ide_timing *ide_timing_find_mode(u8);
>> 1505 u16 ide_pio_cycle_time(ide_drive_t *, u8);
>> 1506 void ide_timing_merge(struct ide_timing *, struct ide_timing *,
>> 1507 struct ide_timing *, unsigned int);
>> 1508 int ide_timing_compute(ide_drive_t *, u8, struct ide_timing *, int, int);
>> 1509
>> 1510 #ifdef CONFIG_IDE_XFER_MODE
>> 1511 int ide_scan_pio_blacklist(char *);
>> 1512 const char *ide_xfer_verbose(u8);
>> 1513 u8 ide_get_best_pio_mode(ide_drive_t *, u8, u8);
>> 1514 int ide_pio_need_iordy(ide_drive_t *, const u8);
1254 int ide_set_pio_mode(ide_drive_t *, u8); 1515 int ide_set_pio_mode(ide_drive_t *, u8);
1255 int ide_set_dma_mode(ide_drive_t *, u8); 1516 int ide_set_dma_mode(ide_drive_t *, u8);
1256 <<
1257 void ide_set_pio(ide_drive_t *, u8); 1517 void ide_set_pio(ide_drive_t *, u8);
>> 1518 int ide_set_xfer_rate(ide_drive_t *, u8);
>> 1519 #else
>> 1520 static inline void ide_set_pio(ide_drive_t *drive, u8 pio) { ; }
>> 1521 static inline int ide_set_xfer_rate(ide_drive_t *drive, u8 rate) { return -1; }
>> 1522 #endif
1258 1523
1259 static inline void ide_set_max_pio(ide_drive_ 1524 static inline void ide_set_max_pio(ide_drive_t *drive)
1260 { 1525 {
1261 ide_set_pio(drive, 255); 1526 ide_set_pio(drive, 255);
1262 } 1527 }
1263 1528
1264 extern spinlock_t ide_lock; !! 1529 char *ide_media_string(ide_drive_t *);
1265 extern struct mutex ide_cfg_mtx; <<
1266 /* <<
1267 * Structure locking: <<
1268 * <<
1269 * ide_cfg_mtx and ide_lock together protect <<
1270 * ide_hwif_t->{next,hwgroup} <<
1271 * ide_drive_t->next <<
1272 * <<
1273 * ide_hwgroup_t->busy: ide_lock <<
1274 * ide_hwgroup_t->hwif: ide_lock <<
1275 * ide_hwif_t->mate: constant, no locking <<
1276 * ide_drive_t->hwif: constant, no locking <<
1277 */ <<
1278 <<
1279 #define local_irq_set(flags) do { local_sa <<
1280 1530
>> 1531 extern struct device_attribute ide_dev_attrs[];
1281 extern struct bus_type ide_bus_type; 1532 extern struct bus_type ide_bus_type;
1282 !! 1533 extern struct class *ide_port_class;
1283 /* check if CACHE FLUSH (EXT) command is supp <<
1284 #define ide_id_has_flush_cache(id) ((id) <<
1285 <<
1286 /* some Maxtor disks have bit 13 defined inco <<
1287 #define ide_id_has_flush_cache_ext(id) \ <<
1288 (((id)->cfs_enable_2 & 0x2400) == 0x2 <<
1289 1534
1290 static inline void ide_dump_identify(u8 *id) 1535 static inline void ide_dump_identify(u8 *id)
1291 { 1536 {
1292 print_hex_dump(KERN_INFO, "", DUMP_PR 1537 print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 2, id, 512, 0);
1293 } 1538 }
1294 1539
1295 static inline int hwif_to_node(ide_hwif_t *hw 1540 static inline int hwif_to_node(ide_hwif_t *hwif)
1296 { 1541 {
1297 struct pci_dev *dev = to_pci_dev(hwif !! 1542 return hwif->dev ? dev_to_node(hwif->dev) : -1;
1298 return hwif->dev ? pcibus_to_node(dev <<
1299 } 1543 }
1300 1544
1301 static inline ide_drive_t *ide_get_paired_dri !! 1545 static inline ide_drive_t *ide_get_pair_dev(ide_drive_t *drive)
1302 { 1546 {
1303 ide_hwif_t *hwif = HWIF(drive) !! 1547 ide_drive_t *peer = drive->hwif->devices[(drive->dn ^ 1) & 1];
1304 1548
1305 return &hwif->drives[(drive->dn ^ 1) !! 1549 return (peer->dev_flags & IDE_DFLAG_PRESENT) ? peer : NULL;
1306 } 1550 }
1307 1551
1308 static inline void ide_set_irq(ide_drive_t *d !! 1552 static inline void *ide_get_drivedata(ide_drive_t *drive)
1309 { 1553 {
1310 drive->hwif->OUTB(drive->ctl | (on ? !! 1554 return drive->drive_data;
1311 } 1555 }
1312 1556
1313 static inline u8 ide_read_status(ide_drive_t !! 1557 static inline void ide_set_drivedata(ide_drive_t *drive, void *data)
1314 { 1558 {
1315 ide_hwif_t *hwif = drive->hwif; !! 1559 drive->drive_data = data;
1316 <<
1317 return hwif->INB(hwif->io_ports[IDE_S <<
1318 } 1560 }
1319 1561
1320 static inline u8 ide_read_altstatus(ide_drive !! 1562 #define ide_port_for_each_dev(i, dev, port) \
1321 { !! 1563 for ((i) = 0; ((dev) = (port)->devices[i]) || (i) < MAX_DRIVES; (i)++)
1322 ide_hwif_t *hwif = drive->hwif; <<
1323 1564
1324 return hwif->INB(hwif->io_ports[IDE_C !! 1565 #define ide_port_for_each_present_dev(i, dev, port) \
1325 } !! 1566 for ((i) = 0; ((dev) = (port)->devices[i]) || (i) < MAX_DRIVES; (i)++) \
>> 1567 if ((dev)->dev_flags & IDE_DFLAG_PRESENT)
1326 1568
1327 static inline u8 ide_read_error(ide_drive_t * !! 1569 #define ide_host_for_each_port(i, port, host) \
1328 { !! 1570 for ((i) = 0; ((port) = (host)->ports[i]) || (i) < MAX_HOST_PORTS; (i)++)
1329 ide_hwif_t *hwif = drive->hwif; <<
1330 <<
1331 return hwif->INB(hwif->io_ports[IDE_E <<
1332 } <<
1333 1571
1334 #endif /* _IDE_H */ 1572 #endif /* _IDE_H */
1335 1573
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