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1 | #ifndef __MEGARAID_H__ |
2 | #define __MEGARAID_H__ |
3 | |
4 | #include <linux/spinlock.h> |
5 | #include <linux/mutex.h> |
6 | |
7 | #define MEGARAID_VERSION \ |
8 | "v2.00.4 (Release Date: Thu Feb 9 08:51:30 EST 2006)\n" |
9 | |
10 | /* |
11 | * Driver features - change the values to enable or disable features in the |
12 | * driver. |
13 | */ |
14 | |
15 | /* |
16 | * Comand coalescing - This feature allows the driver to be able to combine |
17 | * two or more commands and issue as one command in order to boost I/O |
18 | * performance. Useful if the nature of the I/O is sequential. It is not very |
19 | * useful for random natured I/Os. |
20 | */ |
21 | #define MEGA_HAVE_COALESCING 0 |
22 | |
23 | /* |
24 | * Clustering support - Set this flag if you are planning to use the |
25 | * clustering services provided by the megaraid controllers and planning to |
26 | * setup a cluster |
27 | */ |
28 | #define MEGA_HAVE_CLUSTERING 1 |
29 | |
30 | /* |
31 | * Driver statistics - Set this flag if you are interested in statics about |
32 | * number of I/O completed on each logical drive and how many interrupts |
33 | * generated. If enabled, this information is available through /proc |
34 | * interface and through the private ioctl. Setting this flag has a |
35 | * performance penalty. |
36 | */ |
37 | #define MEGA_HAVE_STATS 0 |
38 | |
39 | /* |
40 | * Enhanced /proc interface - This feature will allow you to have a more |
41 | * detailed /proc interface for megaraid driver. E.g., a real time update of |
42 | * the status of the logical drives, battery status, physical drives etc. |
43 | */ |
44 | #define MEGA_HAVE_ENH_PROC 1 |
45 | |
46 | #define MAX_DEV_TYPE 32 |
47 | |
48 | #ifndef PCI_VENDOR_ID_LSI_LOGIC |
49 | #define PCI_VENDOR_ID_LSI_LOGIC 0x1000 |
50 | #endif |
51 | |
52 | #ifndef PCI_VENDOR_ID_AMI |
53 | #define PCI_VENDOR_ID_AMI 0x101E |
54 | #endif |
55 | |
56 | #ifndef PCI_VENDOR_ID_DELL |
57 | #define PCI_VENDOR_ID_DELL 0x1028 |
58 | #endif |
59 | |
60 | #ifndef PCI_VENDOR_ID_INTEL |
61 | #define PCI_VENDOR_ID_INTEL 0x8086 |
62 | #endif |
63 | |
64 | #ifndef PCI_DEVICE_ID_AMI_MEGARAID |
65 | #define PCI_DEVICE_ID_AMI_MEGARAID 0x9010 |
66 | #endif |
67 | |
68 | #ifndef PCI_DEVICE_ID_AMI_MEGARAID2 |
69 | #define PCI_DEVICE_ID_AMI_MEGARAID2 0x9060 |
70 | #endif |
71 | |
72 | #ifndef PCI_DEVICE_ID_AMI_MEGARAID3 |
73 | #define PCI_DEVICE_ID_AMI_MEGARAID3 0x1960 |
74 | #endif |
75 | |
76 | #define PCI_DEVICE_ID_DISCOVERY 0x000E |
77 | #define PCI_DEVICE_ID_PERC4_DI 0x000F |
78 | #define PCI_DEVICE_ID_PERC4_QC_VERDE 0x0407 |
79 | |
80 | /* Sub-System Vendor IDs */ |
81 | #define AMI_SUBSYS_VID 0x101E |
82 | #define DELL_SUBSYS_VID 0x1028 |
83 | #define HP_SUBSYS_VID 0x103C |
84 | #define LSI_SUBSYS_VID 0x1000 |
85 | #define INTEL_SUBSYS_VID 0x8086 |
86 | |
87 | #define HBA_SIGNATURE 0x3344 |
88 | #define HBA_SIGNATURE_471 0xCCCC |
89 | #define HBA_SIGNATURE_64BIT 0x0299 |
90 | |
91 | #define MBOX_BUSY_WAIT 10 /* wait for up to 10 usec for |
92 | mailbox to be free */ |
93 | #define DEFAULT_INITIATOR_ID 7 |
94 | |
95 | #define MAX_SGLIST 64 /* max supported in f/w */ |
96 | #define MIN_SGLIST 26 /* guaranteed to support these many */ |
97 | #define MAX_COMMANDS 126 |
98 | #define CMDID_INT_CMDS MAX_COMMANDS+1 /* make sure CMDID_INT_CMDS |
99 | is less than max commands |
100 | supported by any f/w */ |
101 | |
102 | #define MAX_CDB_LEN 10 |
103 | #define MAX_EXT_CDB_LEN 16 /* we support cdb length up to 16 */ |
104 | |
105 | #define DEF_CMD_PER_LUN 63 |
106 | #define MAX_CMD_PER_LUN MAX_COMMANDS |
107 | #define MAX_FIRMWARE_STATUS 46 |
108 | #define MAX_XFER_PER_CMD (64*1024) |
109 | #define MAX_SECTORS_PER_IO 128 |
110 | |
111 | #define MAX_LOGICAL_DRIVES_40LD 40 |
112 | #define FC_MAX_PHYSICAL_DEVICES 256 |
113 | #define MAX_LOGICAL_DRIVES_8LD 8 |
114 | #define MAX_CHANNELS 5 |
115 | #define MAX_TARGET 15 |
116 | #define MAX_PHYSICAL_DRIVES MAX_CHANNELS*MAX_TARGET |
117 | #define MAX_ROW_SIZE_40LD 32 |
118 | #define MAX_ROW_SIZE_8LD 8 |
119 | #define MAX_SPAN_DEPTH 8 |
120 | |
121 | #define NVIRT_CHAN 4 /* # of virtual channels to represent |
122 | up to 60 logical drives */ |
123 | struct mbox_out { |
124 | /* 0x0 */ u8 cmd; |
125 | /* 0x1 */ u8 cmdid; |
126 | /* 0x2 */ u16 numsectors; |
127 | /* 0x4 */ u32 lba; |
128 | /* 0x8 */ u32 xferaddr; |
129 | /* 0xC */ u8 logdrv; |
130 | /* 0xD */ u8 numsgelements; |
131 | /* 0xE */ u8 resvd; |
132 | } __attribute__ ((packed)); |
133 | |
134 | struct mbox_in { |
135 | /* 0xF */ volatile u8 busy; |
136 | /* 0x10 */ volatile u8 numstatus; |
137 | /* 0x11 */ volatile u8 status; |
138 | /* 0x12 */ volatile u8 completed[MAX_FIRMWARE_STATUS]; |
139 | volatile u8 poll; |
140 | volatile u8 ack; |
141 | } __attribute__ ((packed)); |
142 | |
143 | typedef struct { |
144 | struct mbox_out m_out; |
145 | struct mbox_in m_in; |
146 | } __attribute__ ((packed)) mbox_t; |
147 | |
148 | typedef struct { |
149 | u32 xfer_segment_lo; |
150 | u32 xfer_segment_hi; |
151 | mbox_t mbox; |
152 | } __attribute__ ((packed)) mbox64_t; |
153 | |
154 | |
155 | /* |
156 | * Passthru definitions |
157 | */ |
158 | #define MAX_REQ_SENSE_LEN 0x20 |
159 | |
160 | typedef struct { |
161 | u8 timeout:3; /* 0=6sec/1=60sec/2=10min/3=3hrs */ |
162 | u8 ars:1; |
163 | u8 reserved:3; |
164 | u8 islogical:1; |
165 | u8 logdrv; /* if islogical == 1 */ |
166 | u8 channel; /* if islogical == 0 */ |
167 | u8 target; /* if islogical == 0 */ |
168 | u8 queuetag; /* unused */ |
169 | u8 queueaction; /* unused */ |
170 | u8 cdb[MAX_CDB_LEN]; |
171 | u8 cdblen; |
172 | u8 reqsenselen; |
173 | u8 reqsensearea[MAX_REQ_SENSE_LEN]; |
174 | u8 numsgelements; |
175 | u8 scsistatus; |
176 | u32 dataxferaddr; |
177 | u32 dataxferlen; |
178 | } __attribute__ ((packed)) mega_passthru; |
179 | |
180 | |
181 | /* |
182 | * Extended passthru: support CDB > 10 bytes |
183 | */ |
184 | typedef struct { |
185 | u8 timeout:3; /* 0=6sec/1=60sec/2=10min/3=3hrs */ |
186 | u8 ars:1; |
187 | u8 rsvd1:1; |
188 | u8 cd_rom:1; |
189 | u8 rsvd2:1; |
190 | u8 islogical:1; |
191 | u8 logdrv; /* if islogical == 1 */ |
192 | u8 channel; /* if islogical == 0 */ |
193 | u8 target; /* if islogical == 0 */ |
194 | u8 queuetag; /* unused */ |
195 | u8 queueaction; /* unused */ |
196 | u8 cdblen; |
197 | u8 rsvd3; |
198 | u8 cdb[MAX_EXT_CDB_LEN]; |
199 | u8 numsgelements; |
200 | u8 status; |
201 | u8 reqsenselen; |
202 | u8 reqsensearea[MAX_REQ_SENSE_LEN]; |
203 | u8 rsvd4; |
204 | u32 dataxferaddr; |
205 | u32 dataxferlen; |
206 | } __attribute__ ((packed)) mega_ext_passthru; |
207 | |
208 | typedef struct { |
209 | u64 address; |
210 | u32 length; |
211 | } __attribute__ ((packed)) mega_sgl64; |
212 | |
213 | typedef struct { |
214 | u32 address; |
215 | u32 length; |
216 | } __attribute__ ((packed)) mega_sglist; |
217 | |
218 | |
219 | /* Queued command data */ |
220 | typedef struct { |
221 | int idx; |
222 | u32 state; |
223 | struct list_head list; |
224 | u8 raw_mbox[66]; |
225 | u32 dma_type; |
226 | u32 dma_direction; |
227 | |
228 | Scsi_Cmnd *cmd; |
229 | dma_addr_t dma_h_bulkdata; |
230 | dma_addr_t dma_h_sgdata; |
231 | |
232 | mega_sglist *sgl; |
233 | mega_sgl64 *sgl64; |
234 | dma_addr_t sgl_dma_addr; |
235 | |
236 | mega_passthru *pthru; |
237 | dma_addr_t pthru_dma_addr; |
238 | mega_ext_passthru *epthru; |
239 | dma_addr_t epthru_dma_addr; |
240 | } scb_t; |
241 | |
242 | /* |
243 | * Flags to follow the scb as it transitions between various stages |
244 | */ |
245 | #define SCB_FREE 0x0000 /* on the free list */ |
246 | #define SCB_ACTIVE 0x0001 /* off the free list */ |
247 | #define SCB_PENDQ 0x0002 /* on the pending queue */ |
248 | #define SCB_ISSUED 0x0004 /* issued - owner f/w */ |
249 | #define SCB_ABORT 0x0008 /* Got an abort for this one */ |
250 | #define SCB_RESET 0x0010 /* Got a reset for this one */ |
251 | |
252 | /* |
253 | * Utilities declare this strcture size as 1024 bytes. So more fields can |
254 | * be added in future. |
255 | */ |
256 | typedef struct { |
257 | u32 data_size; /* current size in bytes (not including resvd) */ |
258 | |
259 | u32 config_signature; |
260 | /* Current value is 0x00282008 |
261 | * 0x28=MAX_LOGICAL_DRIVES, |
262 | * 0x20=Number of stripes and |
263 | * 0x08=Number of spans */ |
264 | |
265 | u8 fw_version[16]; /* printable ASCI string */ |
266 | u8 bios_version[16]; /* printable ASCI string */ |
267 | u8 product_name[80]; /* printable ASCI string */ |
268 | |
269 | u8 max_commands; /* Max. concurrent commands supported */ |
270 | u8 nchannels; /* Number of SCSI Channels detected */ |
271 | u8 fc_loop_present; /* Number of Fibre Loops detected */ |
272 | u8 mem_type; /* EDO, FPM, SDRAM etc */ |
273 | |
274 | u32 signature; |
275 | u16 dram_size; /* In terms of MB */ |
276 | u16 subsysid; |
277 | |
278 | u16 subsysvid; |
279 | u8 notify_counters; |
280 | u8 pad1k[889]; /* 135 + 889 resvd = 1024 total size */ |
281 | } __attribute__ ((packed)) mega_product_info; |
282 | |
283 | struct notify { |
284 | u32 global_counter; /* Any change increments this counter */ |
285 | |
286 | u8 param_counter; /* Indicates any params changed */ |
287 | u8 param_id; /* Param modified - defined below */ |
288 | u16 param_val; /* New val of last param modified */ |
289 | |
290 | u8 write_config_counter; /* write config occurred */ |
291 | u8 write_config_rsvd[3]; |
292 | |
293 | u8 ldrv_op_counter; /* Indicates ldrv op started/completed */ |
294 | u8 ldrv_opid; /* ldrv num */ |
295 | u8 ldrv_opcmd; /* ldrv operation - defined below */ |
296 | u8 ldrv_opstatus; /* status of the operation */ |
297 | |
298 | u8 ldrv_state_counter; /* Indicates change of ldrv state */ |
299 | u8 ldrv_state_id; /* ldrv num */ |
300 | u8 ldrv_state_new; /* New state */ |
301 | u8 ldrv_state_old; /* old state */ |
302 | |
303 | u8 pdrv_state_counter; /* Indicates change of ldrv state */ |
304 | u8 pdrv_state_id; /* pdrv id */ |
305 | u8 pdrv_state_new; /* New state */ |
306 | u8 pdrv_state_old; /* old state */ |
307 | |
308 | u8 pdrv_fmt_counter; /* Indicates pdrv format started/over */ |
309 | u8 pdrv_fmt_id; /* pdrv id */ |
310 | u8 pdrv_fmt_val; /* format started/over */ |
311 | u8 pdrv_fmt_rsvd; |
312 | |
313 | u8 targ_xfer_counter; /* Indicates SCSI-2 Xfer rate change */ |
314 | u8 targ_xfer_id; /* pdrv Id */ |
315 | u8 targ_xfer_val; /* new Xfer params of last pdrv */ |
316 | u8 targ_xfer_rsvd; |
317 | |
318 | u8 fcloop_id_chg_counter; /* Indicates loopid changed */ |
319 | u8 fcloopid_pdrvid; /* pdrv id */ |
320 | u8 fcloop_id0; /* loopid on fc loop 0 */ |
321 | u8 fcloop_id1; /* loopid on fc loop 1 */ |
322 | |
323 | u8 fcloop_state_counter; /* Indicates loop state changed */ |
324 | u8 fcloop_state0; /* state of fc loop 0 */ |
325 | u8 fcloop_state1; /* state of fc loop 1 */ |
326 | u8 fcloop_state_rsvd; |
327 | } __attribute__ ((packed)); |
328 | |
329 | #define MAX_NOTIFY_SIZE 0x80 |
330 | #define CUR_NOTIFY_SIZE sizeof(struct notify) |
331 | |
332 | typedef struct { |
333 | u32 data_size; /* current size in bytes (not including resvd) */ |
334 | |
335 | struct notify notify; |
336 | |
337 | u8 notify_rsvd[MAX_NOTIFY_SIZE - CUR_NOTIFY_SIZE]; |
338 | |
339 | u8 rebuild_rate; /* Rebuild rate (0% - 100%) */ |
340 | u8 cache_flush_interval; /* In terms of Seconds */ |
341 | u8 sense_alert; |
342 | u8 drive_insert_count; /* drive insertion count */ |
343 | |
344 | u8 battery_status; |
345 | u8 num_ldrv; /* No. of Log Drives configured */ |
346 | u8 recon_state[MAX_LOGICAL_DRIVES_40LD / 8]; /* State of |
347 | reconstruct */ |
348 | u16 ldrv_op_status[MAX_LOGICAL_DRIVES_40LD / 8]; /* logdrv |
349 | Status */ |
350 | |
351 | u32 ldrv_size[MAX_LOGICAL_DRIVES_40LD];/* Size of each log drv */ |
352 | u8 ldrv_prop[MAX_LOGICAL_DRIVES_40LD]; |
353 | u8 ldrv_state[MAX_LOGICAL_DRIVES_40LD];/* State of log drives */ |
354 | u8 pdrv_state[FC_MAX_PHYSICAL_DEVICES];/* State of phys drvs. */ |
355 | u16 pdrv_format[FC_MAX_PHYSICAL_DEVICES / 16]; |
356 | |
357 | u8 targ_xfer[80]; /* phys device transfer rate */ |
358 | u8 pad1k[263]; /* 761 + 263reserved = 1024 bytes total size */ |
359 | } __attribute__ ((packed)) mega_inquiry3; |
360 | |
361 | |
362 | /* Structures */ |
363 | typedef struct { |
364 | u8 max_commands; /* Max concurrent commands supported */ |
365 | u8 rebuild_rate; /* Rebuild rate - 0% thru 100% */ |
366 | u8 max_targ_per_chan; /* Max targ per channel */ |
367 | u8 nchannels; /* Number of channels on HBA */ |
368 | u8 fw_version[4]; /* Firmware version */ |
369 | u16 age_of_flash; /* Number of times FW has been flashed */ |
370 | u8 chip_set_value; /* Contents of 0xC0000832 */ |
371 | u8 dram_size; /* In MB */ |
372 | u8 cache_flush_interval; /* in seconds */ |
373 | u8 bios_version[4]; |
374 | u8 board_type; |
375 | u8 sense_alert; |
376 | u8 write_config_count; /* Increase with every configuration |
377 | change */ |
378 | u8 drive_inserted_count; /* Increase with every drive inserted |
379 | */ |
380 | u8 inserted_drive; /* Channel:Id of inserted drive */ |
381 | u8 battery_status; /* |
382 | * BIT 0: battery module missing |
383 | * BIT 1: VBAD |
384 | * BIT 2: temperature high |
385 | * BIT 3: battery pack missing |
386 | * BIT 4,5: |
387 | * 00 - charge complete |
388 | * 01 - fast charge in progress |
389 | * 10 - fast charge fail |
390 | * 11 - undefined |
391 | * Bit 6: counter > 1000 |
392 | * Bit 7: Undefined |
393 | */ |
394 | u8 dec_fault_bus_info; |
395 | } __attribute__ ((packed)) mega_adp_info; |
396 | |
397 | |
398 | typedef struct { |
399 | u8 num_ldrv; /* Number of logical drives configured */ |
400 | u8 rsvd[3]; |
401 | u32 ldrv_size[MAX_LOGICAL_DRIVES_8LD]; |
402 | u8 ldrv_prop[MAX_LOGICAL_DRIVES_8LD]; |
403 | u8 ldrv_state[MAX_LOGICAL_DRIVES_8LD]; |
404 | } __attribute__ ((packed)) mega_ldrv_info; |
405 | |
406 | typedef struct { |
407 | u8 pdrv_state[MAX_PHYSICAL_DRIVES]; |
408 | u8 rsvd; |
409 | } __attribute__ ((packed)) mega_pdrv_info; |
410 | |
411 | /* RAID inquiry: Mailbox command 0x05*/ |
412 | typedef struct { |
413 | mega_adp_info adapter_info; |
414 | mega_ldrv_info logdrv_info; |
415 | mega_pdrv_info pdrv_info; |
416 | } __attribute__ ((packed)) mraid_inquiry; |
417 | |
418 | |
419 | /* RAID extended inquiry: Mailbox command 0x04*/ |
420 | typedef struct { |
421 | mraid_inquiry raid_inq; |
422 | u16 phys_drv_format[MAX_CHANNELS]; |
423 | u8 stack_attn; |
424 | u8 modem_status; |
425 | u8 rsvd[2]; |
426 | } __attribute__ ((packed)) mraid_ext_inquiry; |
427 | |
428 | |
429 | typedef struct { |
430 | u8 channel; |
431 | u8 target; |
432 | }__attribute__ ((packed)) adp_device; |
433 | |
434 | typedef struct { |
435 | u32 start_blk; /* starting block */ |
436 | u32 num_blks; /* # of blocks */ |
437 | adp_device device[MAX_ROW_SIZE_40LD]; |
438 | }__attribute__ ((packed)) adp_span_40ld; |
439 | |
440 | typedef struct { |
441 | u32 start_blk; /* starting block */ |
442 | u32 num_blks; /* # of blocks */ |
443 | adp_device device[MAX_ROW_SIZE_8LD]; |
444 | }__attribute__ ((packed)) adp_span_8ld; |
445 | |
446 | typedef struct { |
447 | u8 span_depth; /* Total # of spans */ |
448 | u8 level; /* RAID level */ |
449 | u8 read_ahead; /* read ahead, no read ahead, adaptive read |
450 | ahead */ |
451 | u8 stripe_sz; /* Encoded stripe size */ |
452 | u8 status; /* Status of the logical drive */ |
453 | u8 write_mode; /* write mode, write_through/write_back */ |
454 | u8 direct_io; /* direct io or through cache */ |
455 | u8 row_size; /* Number of stripes in a row */ |
456 | } __attribute__ ((packed)) logdrv_param; |
457 | |
458 | typedef struct { |
459 | logdrv_param lparam; |
460 | adp_span_40ld span[MAX_SPAN_DEPTH]; |
461 | }__attribute__ ((packed)) logdrv_40ld; |
462 | |
463 | typedef struct { |
464 | logdrv_param lparam; |
465 | adp_span_8ld span[MAX_SPAN_DEPTH]; |
466 | }__attribute__ ((packed)) logdrv_8ld; |
467 | |
468 | typedef struct { |
469 | u8 type; /* Type of the device */ |
470 | u8 cur_status; /* current status of the device */ |
471 | u8 tag_depth; /* Level of tagging */ |
472 | u8 sync_neg; /* sync negotiation - ENABLE or DISABLE */ |
473 | u32 size; /* configurable size in terms of 512 byte |
474 | blocks */ |
475 | }__attribute__ ((packed)) phys_drv; |
476 | |
477 | typedef struct { |
478 | u8 nlog_drives; /* number of logical drives */ |
479 | u8 resvd[3]; |
480 | logdrv_40ld ldrv[MAX_LOGICAL_DRIVES_40LD]; |
481 | phys_drv pdrv[MAX_PHYSICAL_DRIVES]; |
482 | }__attribute__ ((packed)) disk_array_40ld; |
483 | |
484 | typedef struct { |
485 | u8 nlog_drives; /* number of logical drives */ |
486 | u8 resvd[3]; |
487 | logdrv_8ld ldrv[MAX_LOGICAL_DRIVES_8LD]; |
488 | phys_drv pdrv[MAX_PHYSICAL_DRIVES]; |
489 | }__attribute__ ((packed)) disk_array_8ld; |
490 | |
491 | |
492 | /* |
493 | * User ioctl structure. |
494 | * This structure will be used for Traditional Method ioctl interface |
495 | * commands (0x80),Alternate Buffer Method (0x81) ioctl commands and the |
496 | * Driver ioctls. |
497 | * The Driver ioctl interface handles the commands at the driver level, |
498 | * without being sent to the card. |
499 | */ |
500 | /* system call imposed limit. Change accordingly */ |
501 | #define IOCTL_MAX_DATALEN 4096 |
502 | |
503 | struct uioctl_t { |
504 | u32 inlen; |
505 | u32 outlen; |
506 | union { |
507 | u8 fca[16]; |
508 | struct { |
509 | u8 opcode; |
510 | u8 subopcode; |
511 | u16 adapno; |
512 | #if BITS_PER_LONG == 32 |
513 | u8 *buffer; |
514 | u8 pad[4]; |
515 | #endif |
516 | #if BITS_PER_LONG == 64 |
517 | u8 *buffer; |
518 | #endif |
519 | u32 length; |
520 | } __attribute__ ((packed)) fcs; |
521 | } __attribute__ ((packed)) ui; |
522 | u8 mbox[18]; /* 16 bytes + 2 status bytes */ |
523 | mega_passthru pthru; |
524 | #if BITS_PER_LONG == 32 |
525 | char __user *data; /* buffer <= 4096 for 0x80 commands */ |
526 | char pad[4]; |
527 | #endif |
528 | #if BITS_PER_LONG == 64 |
529 | char __user *data; |
530 | #endif |
531 | } __attribute__ ((packed)); |
532 | |
533 | /* |
534 | * struct mcontroller is used to pass information about the controllers in the |
535 | * system. Its upto the application how to use the information. We are passing |
536 | * as much info about the cards as possible and useful. Before issuing the |
537 | * call to find information about the cards, the applicaiton needs to issue a |
538 | * ioctl first to find out the number of controllers in the system. |
539 | */ |
540 | #define MAX_CONTROLLERS 32 |
541 | |
542 | struct mcontroller { |
543 | u64 base; |
544 | u8 irq; |
545 | u8 numldrv; |
546 | u8 pcibus; |
547 | u16 pcidev; |
548 | u8 pcifun; |
549 | u16 pciid; |
550 | u16 pcivendor; |
551 | u8 pcislot; |
552 | u32 uid; |
553 | }; |
554 | |
555 | /* |
556 | * mailbox structure used for internal commands |
557 | */ |
558 | typedef struct { |
559 | u8 cmd; |
560 | u8 cmdid; |
561 | u8 opcode; |
562 | u8 subopcode; |
563 | u32 lba; |
564 | u32 xferaddr; |
565 | u8 logdrv; |
566 | u8 rsvd[3]; |
567 | u8 numstatus; |
568 | u8 status; |
569 | } __attribute__ ((packed)) megacmd_t; |
570 | |
571 | /* |
572 | * Defines for Driver IOCTL interface |
573 | */ |
574 | #define MEGAIOC_MAGIC 'm' |
575 | |
576 | #define MEGAIOC_QNADAP 'm' /* Query # of adapters */ |
577 | #define MEGAIOC_QDRVRVER 'e' /* Query driver version */ |
578 | #define MEGAIOC_QADAPINFO 'g' /* Query adapter information */ |
579 | #define MKADAP(adapno) (MEGAIOC_MAGIC << 8 | (adapno) ) |
580 | #define GETADAP(mkadap) ( (mkadap) ^ MEGAIOC_MAGIC << 8 ) |
581 | |
582 | /* |
583 | * Definition for the new ioctl interface (NIT) |
584 | */ |
585 | |
586 | /* |
587 | * Vendor specific Group-7 commands |
588 | */ |
589 | #define VENDOR_SPECIFIC_COMMANDS 0xE0 |
590 | #define MEGA_INTERNAL_CMD VENDOR_SPECIFIC_COMMANDS + 0x01 |
591 | |
592 | /* |
593 | * The ioctl command. No other command shall be used for this interface |
594 | */ |
595 | #define USCSICMD VENDOR_SPECIFIC_COMMANDS |
596 | |
597 | /* |
598 | * Data direction flags |
599 | */ |
600 | #define UIOC_RD 0x00001 |
601 | #define UIOC_WR 0x00002 |
602 | |
603 | /* |
604 | * ioctl opcodes |
605 | */ |
606 | #define MBOX_CMD 0x00000 /* DCMD or passthru command */ |
607 | #define GET_DRIVER_VER 0x10000 /* Get driver version */ |
608 | #define GET_N_ADAP 0x20000 /* Get number of adapters */ |
609 | #define GET_ADAP_INFO 0x30000 /* Get information about a adapter */ |
610 | #define GET_CAP 0x40000 /* Get ioctl capabilities */ |
611 | #define GET_STATS 0x50000 /* Get statistics, including error info */ |
612 | |
613 | |
614 | /* |
615 | * The ioctl structure. |
616 | * MBOX macro converts a nitioctl_t structure to megacmd_t pointer and |
617 | * MBOX_P macro converts a nitioctl_t pointer to megacmd_t pointer. |
618 | */ |
619 | typedef struct { |
620 | char signature[8]; /* Must contain "MEGANIT" */ |
621 | u32 opcode; /* opcode for the command */ |
622 | u32 adapno; /* adapter number */ |
623 | union { |
624 | u8 __raw_mbox[18]; |
625 | void __user *__uaddr; /* xferaddr for non-mbox cmds */ |
626 | }__ua; |
627 | |
628 | #define uioc_rmbox __ua.__raw_mbox |
629 | #define MBOX(uioc) ((megacmd_t *)&((uioc).__ua.__raw_mbox[0])) |
630 | #define MBOX_P(uioc) ((megacmd_t __user *)&((uioc)->__ua.__raw_mbox[0])) |
631 | #define uioc_uaddr __ua.__uaddr |
632 | |
633 | u32 xferlen; /* xferlen for DCMD and non-mbox |
634 | commands */ |
635 | u32 flags; /* data direction flags */ |
636 | }nitioctl_t; |
637 | |
638 | |
639 | /* |
640 | * I/O statistics for some applications like SNMP agent. The caller must |
641 | * provide the number of logical drives for which status should be reported. |
642 | */ |
643 | typedef struct { |
644 | int num_ldrv; /* Number for logical drives for which the |
645 | status should be reported. */ |
646 | u32 nreads[MAX_LOGICAL_DRIVES_40LD]; /* number of reads for |
647 | each logical drive */ |
648 | u32 nreadblocks[MAX_LOGICAL_DRIVES_40LD]; /* number of blocks |
649 | read for each logical |
650 | drive */ |
651 | u32 nwrites[MAX_LOGICAL_DRIVES_40LD]; /* number of writes |
652 | for each logical |
653 | drive */ |
654 | u32 nwriteblocks[MAX_LOGICAL_DRIVES_40LD]; /* number of blocks |
655 | writes for each |
656 | logical drive */ |
657 | u32 rd_errors[MAX_LOGICAL_DRIVES_40LD]; /* number of read |
658 | errors for each |
659 | logical drive */ |
660 | u32 wr_errors[MAX_LOGICAL_DRIVES_40LD]; /* number of write |
661 | errors for each |
662 | logical drive */ |
663 | }megastat_t; |
664 | |
665 | |
666 | struct private_bios_data { |
667 | u8 geometry:4; /* |
668 | * bits 0-3 - BIOS geometry |
669 | * 0x0001 - 1GB |
670 | * 0x0010 - 2GB |
671 | * 0x1000 - 8GB |
672 | * Others values are invalid |
673 | */ |
674 | u8 unused:4; /* bits 4-7 are unused */ |
675 | u8 boot_drv; /* |
676 | * logical drive set as boot drive |
677 | * 0..7 - for 8LD cards |
678 | * 0..39 - for 40LD cards |
679 | */ |
680 | u8 rsvd[12]; |
681 | u16 cksum; /* 0-(sum of first 13 bytes of this structure) */ |
682 | } __attribute__ ((packed)); |
683 | |
684 | |
685 | |
686 | |
687 | /* |
688 | * Mailbox and firmware commands and subopcodes used in this driver. |
689 | */ |
690 | |
691 | #define MEGA_MBOXCMD_LREAD 0x01 |
692 | #define MEGA_MBOXCMD_LWRITE 0x02 |
693 | #define MEGA_MBOXCMD_PASSTHRU 0x03 |
694 | #define MEGA_MBOXCMD_ADPEXTINQ 0x04 |
695 | #define MEGA_MBOXCMD_ADAPTERINQ 0x05 |
696 | #define MEGA_MBOXCMD_LREAD64 0xA7 |
697 | #define MEGA_MBOXCMD_LWRITE64 0xA8 |
698 | #define MEGA_MBOXCMD_PASSTHRU64 0xC3 |
699 | #define MEGA_MBOXCMD_EXTPTHRU 0xE3 |
700 | |
701 | #define MAIN_MISC_OPCODE 0xA4 /* f/w misc opcode */ |
702 | #define GET_MAX_SG_SUPPORT 0x01 /* get max sg len supported by f/w */ |
703 | |
704 | #define FC_NEW_CONFIG 0xA1 |
705 | #define NC_SUBOP_PRODUCT_INFO 0x0E |
706 | #define NC_SUBOP_ENQUIRY3 0x0F |
707 | #define ENQ3_GET_SOLICITED_FULL 0x02 |
708 | #define OP_DCMD_READ_CONFIG 0x04 |
709 | #define NEW_READ_CONFIG_8LD 0x67 |
710 | #define READ_CONFIG_8LD 0x07 |
711 | #define FLUSH_ADAPTER 0x0A |
712 | #define FLUSH_SYSTEM 0xFE |
713 | |
714 | /* |
715 | * Command for random deletion of logical drives |
716 | */ |
717 | #define FC_DEL_LOGDRV 0xA4 /* f/w command */ |
718 | #define OP_SUP_DEL_LOGDRV 0x2A /* is feature supported */ |
719 | #define OP_GET_LDID_MAP 0x18 /* get ldid and logdrv number map */ |
720 | #define OP_DEL_LOGDRV 0x1C /* delete logical drive */ |
721 | |
722 | /* |
723 | * BIOS commands |
724 | */ |
725 | #define IS_BIOS_ENABLED 0x62 |
726 | #define GET_BIOS 0x01 |
727 | #define CHNL_CLASS 0xA9 |
728 | #define GET_CHNL_CLASS 0x00 |
729 | #define SET_CHNL_CLASS 0x01 |
730 | #define CH_RAID 0x01 |
731 | #define CH_SCSI 0x00 |
732 | #define BIOS_PVT_DATA 0x40 |
733 | #define GET_BIOS_PVT_DATA 0x00 |
734 | |
735 | |
736 | /* |
737 | * Commands to support clustering |
738 | */ |
739 | #define MEGA_GET_TARGET_ID 0x7D |
740 | #define MEGA_CLUSTER_OP 0x70 |
741 | #define MEGA_GET_CLUSTER_MODE 0x02 |
742 | #define MEGA_CLUSTER_CMD 0x6E |
743 | #define MEGA_RESERVE_LD 0x01 |
744 | #define MEGA_RELEASE_LD 0x02 |
745 | #define MEGA_RESET_RESERVATIONS 0x03 |
746 | #define MEGA_RESERVATION_STATUS 0x04 |
747 | #define MEGA_RESERVE_PD 0x05 |
748 | #define MEGA_RELEASE_PD 0x06 |
749 | |
750 | |
751 | /* |
752 | * Module battery status |
753 | */ |
754 | #define MEGA_BATT_MODULE_MISSING 0x01 |
755 | #define MEGA_BATT_LOW_VOLTAGE 0x02 |
756 | #define MEGA_BATT_TEMP_HIGH 0x04 |
757 | #define MEGA_BATT_PACK_MISSING 0x08 |
758 | #define MEGA_BATT_CHARGE_MASK 0x30 |
759 | #define MEGA_BATT_CHARGE_DONE 0x00 |
760 | #define MEGA_BATT_CHARGE_INPROG 0x10 |
761 | #define MEGA_BATT_CHARGE_FAIL 0x20 |
762 | #define MEGA_BATT_CYCLES_EXCEEDED 0x40 |
763 | |
764 | /* |
765 | * Physical drive states. |
766 | */ |
767 | #define PDRV_UNCNF 0 |
768 | #define PDRV_ONLINE 3 |
769 | #define PDRV_FAILED 4 |
770 | #define PDRV_RBLD 5 |
771 | #define PDRV_HOTSPARE 6 |
772 | |
773 | |
774 | /* |
775 | * Raid logical drive states. |
776 | */ |
777 | #define RDRV_OFFLINE 0 |
778 | #define RDRV_DEGRADED 1 |
779 | #define RDRV_OPTIMAL 2 |
780 | #define RDRV_DELETED 3 |
781 | |
782 | /* |
783 | * Read, write and cache policies |
784 | */ |
785 | #define NO_READ_AHEAD 0 |
786 | #define READ_AHEAD 1 |
787 | #define ADAP_READ_AHEAD 2 |
788 | #define WRMODE_WRITE_THRU 0 |
789 | #define WRMODE_WRITE_BACK 1 |
790 | #define CACHED_IO 0 |
791 | #define DIRECT_IO 1 |
792 | |
793 | |
794 | #define SCSI_LIST(scp) ((struct list_head *)(&(scp)->SCp)) |
795 | |
796 | /* |
797 | * Each controller's soft state |
798 | */ |
799 | typedef struct { |
800 | int this_id; /* our id, may set to different than 7 if |
801 | clustering is available */ |
802 | u32 flag; |
803 | |
804 | unsigned long base; |
805 | void __iomem *mmio_base; |
806 | |
807 | /* mbox64 with mbox not aligned on 16-byte boundry */ |
808 | mbox64_t *una_mbox64; |
809 | dma_addr_t una_mbox64_dma; |
810 | |
811 | volatile mbox64_t *mbox64;/* ptr to 64-bit mailbox */ |
812 | volatile mbox_t *mbox; /* ptr to standard mailbox */ |
813 | dma_addr_t mbox_dma; |
814 | |
815 | struct pci_dev *dev; |
816 | |
817 | struct list_head free_list; |
818 | struct list_head pending_list; |
819 | struct list_head completed_list; |
820 | |
821 | struct Scsi_Host *host; |
822 | |
823 | #define MEGA_BUFFER_SIZE (2*1024) |
824 | u8 *mega_buffer; |
825 | dma_addr_t buf_dma_handle; |
826 | |
827 | mega_product_info product_info; |
828 | |
829 | u8 max_cmds; |
830 | scb_t *scb_list; |
831 | |
832 | atomic_t pend_cmds; /* maintain a counter for pending |
833 | commands in firmware */ |
834 | |
835 | #if MEGA_HAVE_STATS |
836 | u32 nreads[MAX_LOGICAL_DRIVES_40LD]; |
837 | u32 nreadblocks[MAX_LOGICAL_DRIVES_40LD]; |
838 | u32 nwrites[MAX_LOGICAL_DRIVES_40LD]; |
839 | u32 nwriteblocks[MAX_LOGICAL_DRIVES_40LD]; |
840 | u32 rd_errors[MAX_LOGICAL_DRIVES_40LD]; |
841 | u32 wr_errors[MAX_LOGICAL_DRIVES_40LD]; |
842 | #endif |
843 | |
844 | /* Host adapter parameters */ |
845 | u8 numldrv; |
846 | u8 fw_version[7]; |
847 | u8 bios_version[7]; |
848 | |
849 | #ifdef CONFIG_PROC_FS |
850 | struct proc_dir_entry *controller_proc_dir_entry; |
851 | struct proc_dir_entry *proc_read; |
852 | struct proc_dir_entry *proc_stat; |
853 | struct proc_dir_entry *proc_mbox; |
854 | |
855 | #if MEGA_HAVE_ENH_PROC |
856 | struct proc_dir_entry *proc_rr; |
857 | struct proc_dir_entry *proc_battery; |
858 | #define MAX_PROC_CHANNELS 4 |
859 | struct proc_dir_entry *proc_pdrvstat[MAX_PROC_CHANNELS]; |
860 | struct proc_dir_entry *proc_rdrvstat[MAX_PROC_CHANNELS]; |
861 | #endif |
862 | |
863 | #endif |
864 | |
865 | int has_64bit_addr; /* are we using 64-bit addressing */ |
866 | int support_ext_cdb; |
867 | int boot_ldrv_enabled; |
868 | int boot_ldrv; |
869 | int boot_pdrv_enabled; /* boot from physical drive */ |
870 | int boot_pdrv_ch; /* boot physical drive channel */ |
871 | int boot_pdrv_tgt; /* boot physical drive target */ |
872 | |
873 | |
874 | int support_random_del; /* Do we support random deletion of |
875 | logdrvs */ |
876 | int read_ldidmap; /* set after logical drive deltion. The |
877 | logical drive number must be read from the |
878 | map */ |
879 | atomic_t quiescent; /* a stage reached when delete logical |
880 | drive needs to be done. Stop |
881 | sending requests to the hba till |
882 | delete operation is completed */ |
883 | spinlock_t lock; |
884 | |
885 | u8 logdrv_chan[MAX_CHANNELS+NVIRT_CHAN]; /* logical drive are on |
886 | what channels. */ |
887 | int mega_ch_class; |
888 | |
889 | u8 sglen; /* f/w supported scatter-gather list length */ |
890 | |
891 | unsigned char int_cdb[MAX_COMMAND_SIZE]; |
892 | scb_t int_scb; |
893 | struct mutex int_mtx; /* To synchronize the internal |
894 | commands */ |
895 | struct completion int_waitq; /* wait queue for internal |
896 | cmds */ |
897 | |
898 | int has_cluster; /* cluster support on this HBA */ |
899 | }adapter_t; |
900 | |
901 | |
902 | struct mega_hbas { |
903 | int is_bios_enabled; |
904 | adapter_t *hostdata_addr; |
905 | }; |
906 | |
907 | |
908 | /* |
909 | * For state flag. Do not use LSB(8 bits) which are |
910 | * reserved for storing info about channels. |
911 | */ |
912 | #define IN_ABORT 0x80000000L |
913 | #define IN_RESET 0x40000000L |
914 | #define BOARD_MEMMAP 0x20000000L |
915 | #define BOARD_IOMAP 0x10000000L |
916 | #define BOARD_40LD 0x08000000L |
917 | #define BOARD_64BIT 0x04000000L |
918 | |
919 | #define INTR_VALID 0x40 |
920 | |
921 | #define PCI_CONF_AMISIG 0xa0 |
922 | #define PCI_CONF_AMISIG64 0xa4 |
923 | |
924 | |
925 | #define MEGA_DMA_TYPE_NONE 0xFFFF |
926 | #define MEGA_BULK_DATA 0x0001 |
927 | #define MEGA_SGLIST 0x0002 |
928 | |
929 | /* |
930 | * Parameters for the io-mapped controllers |
931 | */ |
932 | |
933 | /* I/O Port offsets */ |
934 | #define CMD_PORT 0x00 |
935 | #define ACK_PORT 0x00 |
936 | #define TOGGLE_PORT 0x01 |
937 | #define INTR_PORT 0x0a |
938 | |
939 | #define MBOX_BUSY_PORT 0x00 |
940 | #define MBOX_PORT0 0x04 |
941 | #define MBOX_PORT1 0x05 |
942 | #define MBOX_PORT2 0x06 |
943 | #define MBOX_PORT3 0x07 |
944 | #define ENABLE_MBOX_REGION 0x0B |
945 | |
946 | /* I/O Port Values */ |
947 | #define ISSUE_BYTE 0x10 |
948 | #define ACK_BYTE 0x08 |
949 | #define ENABLE_INTR_BYTE 0xc0 |
950 | #define DISABLE_INTR_BYTE 0x00 |
951 | #define VALID_INTR_BYTE 0x40 |
952 | #define MBOX_BUSY_BYTE 0x10 |
953 | #define ENABLE_MBOX_BYTE 0x00 |
954 | |
955 | |
956 | /* Setup some port macros here */ |
957 | #define issue_command(adapter) \ |
958 | outb_p(ISSUE_BYTE, (adapter)->base + CMD_PORT) |
959 | |
960 | #define irq_state(adapter) inb_p((adapter)->base + INTR_PORT) |
961 | |
962 | #define set_irq_state(adapter, value) \ |
963 | outb_p((value), (adapter)->base + INTR_PORT) |
964 | |
965 | #define irq_ack(adapter) \ |
966 | outb_p(ACK_BYTE, (adapter)->base + ACK_PORT) |
967 | |
968 | #define irq_enable(adapter) \ |
969 | outb_p(ENABLE_INTR_BYTE, (adapter)->base + TOGGLE_PORT) |
970 | |
971 | #define irq_disable(adapter) \ |
972 | outb_p(DISABLE_INTR_BYTE, (adapter)->base + TOGGLE_PORT) |
973 | |
974 | |
975 | /* |
976 | * This is our SYSDEP area. All kernel specific detail should be placed here - |
977 | * as much as possible |
978 | */ |
979 | |
980 | /* |
981 | * End of SYSDEP area |
982 | */ |
983 | |
984 | const char *megaraid_info (struct Scsi_Host *); |
985 | |
986 | static int mega_query_adapter(adapter_t *); |
987 | static int issue_scb(adapter_t *, scb_t *); |
988 | static int mega_setup_mailbox(adapter_t *); |
989 | |
990 | static int megaraid_queue (Scsi_Cmnd *, void (*)(Scsi_Cmnd *)); |
991 | static scb_t * mega_build_cmd(adapter_t *, Scsi_Cmnd *, int *); |
992 | static void __mega_runpendq(adapter_t *); |
993 | static int issue_scb_block(adapter_t *, u_char *); |
994 | |
995 | static irqreturn_t megaraid_isr_memmapped(int, void *); |
996 | static irqreturn_t megaraid_isr_iomapped(int, void *); |
997 | |
998 | static void mega_free_scb(adapter_t *, scb_t *); |
999 | |
1000 | static int megaraid_abort(Scsi_Cmnd *); |
1001 | static int megaraid_reset(Scsi_Cmnd *); |
1002 | static int megaraid_abort_and_reset(adapter_t *, Scsi_Cmnd *, int); |
1003 | static int megaraid_biosparam(struct scsi_device *, struct block_device *, |
1004 | sector_t, int []); |
1005 | |
1006 | static int mega_build_sglist (adapter_t *adapter, scb_t *scb, |
1007 | u32 *buffer, u32 *length); |
1008 | static int __mega_busywait_mbox (adapter_t *); |
1009 | static void mega_rundoneq (adapter_t *); |
1010 | static void mega_cmd_done(adapter_t *, u8 [], int, int); |
1011 | static inline void mega_free_sgl (adapter_t *adapter); |
1012 | static void mega_8_to_40ld (mraid_inquiry *inquiry, |
1013 | mega_inquiry3 *enquiry3, mega_product_info *); |
1014 | |
1015 | static int megadev_open (struct inode *, struct file *); |
1016 | static int megadev_ioctl (struct inode *, struct file *, unsigned int, |
1017 | unsigned long); |
1018 | static int mega_m_to_n(void __user *, nitioctl_t *); |
1019 | static int mega_n_to_m(void __user *, megacmd_t *); |
1020 | |
1021 | static int mega_init_scb (adapter_t *); |
1022 | |
1023 | static int mega_is_bios_enabled (adapter_t *); |
1024 | |
1025 | #ifdef CONFIG_PROC_FS |
1026 | static int mega_print_inquiry(char *, char *); |
1027 | static void mega_create_proc_entry(int, struct proc_dir_entry *); |
1028 | static int proc_read_config(char *, char **, off_t, int, int *, void *); |
1029 | static int proc_read_stat(char *, char **, off_t, int, int *, void *); |
1030 | static int proc_read_mbox(char *, char **, off_t, int, int *, void *); |
1031 | static int proc_rebuild_rate(char *, char **, off_t, int, int *, void *); |
1032 | static int proc_battery(char *, char **, off_t, int, int *, void *); |
1033 | static int proc_pdrv_ch0(char *, char **, off_t, int, int *, void *); |
1034 | static int proc_pdrv_ch1(char *, char **, off_t, int, int *, void *); |
1035 | static int proc_pdrv_ch2(char *, char **, off_t, int, int *, void *); |
1036 | static int proc_pdrv_ch3(char *, char **, off_t, int, int *, void *); |
1037 | static int proc_pdrv(adapter_t *, char *, int); |
1038 | static int proc_rdrv_10(char *, char **, off_t, int, int *, void *); |
1039 | static int proc_rdrv_20(char *, char **, off_t, int, int *, void *); |
1040 | static int proc_rdrv_30(char *, char **, off_t, int, int *, void *); |
1041 | static int proc_rdrv_40(char *, char **, off_t, int, int *, void *); |
1042 | static int proc_rdrv(adapter_t *, char *, int, int); |
1043 | |
1044 | static int mega_adapinq(adapter_t *, dma_addr_t); |
1045 | static int mega_internal_dev_inquiry(adapter_t *, u8, u8, dma_addr_t); |
1046 | #endif |
1047 | |
1048 | static int mega_support_ext_cdb(adapter_t *); |
1049 | static mega_passthru* mega_prepare_passthru(adapter_t *, scb_t *, |
1050 | Scsi_Cmnd *, int, int); |
1051 | static mega_ext_passthru* mega_prepare_extpassthru(adapter_t *, |
1052 | scb_t *, Scsi_Cmnd *, int, int); |
1053 | static void mega_enum_raid_scsi(adapter_t *); |
1054 | static void mega_get_boot_drv(adapter_t *); |
1055 | static int mega_support_random_del(adapter_t *); |
1056 | static int mega_del_logdrv(adapter_t *, int); |
1057 | static int mega_do_del_logdrv(adapter_t *, int); |
1058 | static void mega_get_max_sgl(adapter_t *); |
1059 | static int mega_internal_command(adapter_t *, megacmd_t *, mega_passthru *); |
1060 | static void mega_internal_done(Scsi_Cmnd *); |
1061 | static int mega_support_cluster(adapter_t *); |
1062 | #endif |
1063 | |
1064 | /* vi: set ts=8 sw=8 tw=78: */ |
1065 |
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