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24#ifndef _PMCRAID_H
25#define _PMCRAID_H
26
27#include <linux/types.h>
28#include <linux/completion.h>
29#include <linux/list.h>
30#include <scsi/scsi.h>
31#include <scsi/scsi_cmnd.h>
32#include <linux/cdev.h>
33#include <net/netlink.h>
34#include <net/genetlink.h>
35#include <linux/connector.h>
36
37
38
39
40
41
42#define PMCRAID_DRIVER_NAME "PMC MaxRAID"
43#define PMCRAID_DEVFILE "pmcsas"
44#define PMCRAID_DRIVER_VERSION "1.0.3"
45
46#define PMCRAID_FW_VERSION_1 0x002
47
48
49#define PMCRAID_MAX_ADAPTERS 1024
50
51
52#define PMC_BIT8(n) (1 << (7-n))
53#define PMC_BIT16(n) (1 << (15-n))
54#define PMC_BIT32(n) (1 << (31-n))
55
56
57#define PCI_VENDOR_ID_PMC 0x11F8
58#define PCI_DEVICE_ID_PMC_MAXRAID 0x5220
59
60
61
62
63
64
65
66#define PMCRAID_MAX_CMD 1024
67#define PMCRAID_MAX_IO_CMD 1020
68#define PMCRAID_MAX_HCAM_CMD 2
69#define PMCRAID_MAX_INTERNAL_CMD 2
70
71
72
73
74
75#define PMCRAID_IOADLS_INTERNAL 27
76#define PMCRAID_IOADLS_EXTERNAL 37
77#define PMCRAID_MAX_IOADLS PMCRAID_IOADLS_INTERNAL
78
79
80
81
82
83
84#define HRRQ_ENTRY_SIZE sizeof(__le32)
85#define PMCRAID_IOARCB_ALIGNMENT 32
86#define PMCRAID_IOADL_ALIGNMENT 16
87#define PMCRAID_IOASA_ALIGNMENT 4
88#define PMCRAID_NUM_MSIX_VECTORS 16
89
90
91#define PMCRAID_VENDOR_ID_LEN 8
92#define PMCRAID_PRODUCT_ID_LEN 16
93#define PMCRAID_SERIAL_NUM_LEN 8
94#define PMCRAID_LUN_LEN 8
95#define PMCRAID_MAX_CDB_LEN 16
96#define PMCRAID_DEVICE_ID_LEN 8
97#define PMCRAID_SENSE_DATA_LEN 256
98#define PMCRAID_ADD_CMD_PARAM_LEN 48
99
100#define PMCRAID_MAX_BUS_TO_SCAN 1
101#define PMCRAID_MAX_NUM_TARGETS_PER_BUS 256
102#define PMCRAID_MAX_NUM_LUNS_PER_TARGET 8
103
104
105#define PMCRAID_IOA_BUS_ID 0xfe
106#define PMCRAID_IOA_TARGET_ID 0xff
107#define PMCRAID_IOA_LUN_ID 0xff
108#define PMCRAID_VSET_BUS_ID 0x1
109#define PMCRAID_VSET_LUN_ID 0x0
110#define PMCRAID_PHYS_BUS_ID 0x0
111#define PMCRAID_VIRTUAL_ENCL_BUS_ID 0x8
112#define PMCRAID_MAX_VSET_TARGETS 0x7F
113#define PMCRAID_MAX_VSET_LUNS_PER_TARGET 8
114
115#define PMCRAID_IOA_MAX_SECTORS 32767
116#define PMCRAID_VSET_MAX_SECTORS 512
117#define PMCRAID_MAX_CMD_PER_LUN 254
118
119
120
121
122#define PMCRAID_MAX_RESOURCES 256
123
124
125#define PMCRAID_QUERY_RESOURCE_STATE 0xC2
126#define PMCRAID_RESET_DEVICE 0xC3
127
128#define ENABLE_RESET_MODIFIER 0x80
129#define RESET_DEVICE_LUN 0x40
130#define RESET_DEVICE_TARGET 0x20
131#define RESET_DEVICE_BUS 0x10
132
133#define PMCRAID_IDENTIFY_HRRQ 0xC4
134#define PMCRAID_QUERY_IOA_CONFIG 0xC5
135#define PMCRAID_QUERY_CMD_STATUS 0xCB
136#define PMCRAID_ABORT_CMD 0xC7
137
138
139
140
141#define PMCRAID_CANCEL_ALL_REQUESTS 0xCE
142#define PMCRAID_SYNC_COMPLETE_AFTER_CANCEL PMC_BIT8(0)
143
144
145#define PMCRAID_HOST_CONTROLLED_ASYNC 0xCF
146#define PMCRAID_HCAM_CODE_CONFIG_CHANGE 0x01
147#define PMCRAID_HCAM_CODE_LOG_DATA 0x02
148
149
150#define PMCRAID_IOA_SHUTDOWN 0xF7
151#define PMCRAID_SHUTDOWN_NORMAL 0x00
152#define PMCRAID_SHUTDOWN_PREPARE_FOR_NORMAL 0x40
153#define PMCRAID_SHUTDOWN_NONE 0x100
154#define PMCRAID_SHUTDOWN_ABBREV 0x80
155
156
157
158
159#define PMCRAID_SET_SUPPORTED_DEVICES 0xFB
160#define ALL_DEVICES_SUPPORTED PMC_BIT8(0)
161
162
163#define PMCRAID_WR_BUF_DOWNLOAD_AND_SAVE 0x05
164
165
166#define PMCRAID_IOASC_SENSE_MASK 0xFFFFFF00
167#define PMCRAID_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
168#define PMCRAID_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
169#define PMCRAID_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
170#define PMCRAID_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
171
172#define PMCRAID_IOASC_GOOD_COMPLETION 0x00000000
173#define PMCRAID_IOASC_GC_IOARCB_NOTFOUND 0x005A0000
174#define PMCRAID_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
175#define PMCRAID_IOASC_NR_IOA_RESET_REQUIRED 0x02048000
176#define PMCRAID_IOASC_NR_SYNC_REQUIRED 0x023F0000
177#define PMCRAID_IOASC_ME_READ_ERROR_NO_REALLOC 0x03110C00
178#define PMCRAID_IOASC_HW_CANNOT_COMMUNICATE 0x04050000
179#define PMCRAID_IOASC_HW_DEVICE_TIMEOUT 0x04080100
180#define PMCRAID_IOASC_HW_DEVICE_BUS_STATUS_ERROR 0x04448500
181#define PMCRAID_IOASC_HW_IOA_RESET_REQUIRED 0x04448600
182#define PMCRAID_IOASC_IR_INVALID_RESOURCE_HANDLE 0x05250000
183#define PMCRAID_IOASC_AC_TERMINATED_BY_HOST 0x0B5A0000
184#define PMCRAID_IOASC_UA_BUS_WAS_RESET 0x06290000
185#define PMCRAID_IOASC_TIME_STAMP_OUT_OF_SYNC 0x06908B00
186#define PMCRAID_IOASC_UA_BUS_WAS_RESET_BY_OTHER 0x06298000
187
188
189#define PMCRAID_IOASC_IOA_WAS_RESET 0x10000001
190#define PMCRAID_IOASC_PCI_ACCESS_ERROR 0x10000002
191
192
193
194
195#define PMCRAID_PCI_DEASSERT_TIMEOUT 2000
196#define PMCRAID_BIST_TIMEOUT 2000
197#define PMCRAID_AENWAIT_TIMEOUT 5000
198#define PMCRAID_TRANSOP_TIMEOUT 60000
199
200#define PMCRAID_RESET_TIMEOUT (2 * HZ)
201#define PMCRAID_CHECK_FOR_RESET_TIMEOUT ((HZ / 10))
202#define PMCRAID_VSET_IO_TIMEOUT (60 * HZ)
203#define PMCRAID_INTERNAL_TIMEOUT (60 * HZ)
204#define PMCRAID_SHUTDOWN_TIMEOUT (150 * HZ)
205#define PMCRAID_RESET_BUS_TIMEOUT (60 * HZ)
206#define PMCRAID_RESET_HOST_TIMEOUT (150 * HZ)
207#define PMCRAID_REQUEST_SENSE_TIMEOUT (30 * HZ)
208#define PMCRAID_SET_SUP_DEV_TIMEOUT (2 * 60 * HZ)
209
210
211struct pmcraid_ioadl_desc {
212 __le64 address;
213 __le32 data_len;
214 __u8 reserved[3];
215 __u8 flags;
216} __attribute__((packed, aligned(PMCRAID_IOADL_ALIGNMENT)));
217
218
219#define IOADL_FLAGS_CHAINED PMC_BIT8(0)
220#define IOADL_FLAGS_LAST_DESC PMC_BIT8(1)
221#define IOADL_FLAGS_READ_LAST PMC_BIT8(1)
222#define IOADL_FLAGS_WRITE_LAST PMC_BIT8(1)
223
224
225
226
227
228
229
230struct pmcraid_ioarcb_add_data {
231 union {
232 struct pmcraid_ioadl_desc ioadl[PMCRAID_IOADLS_INTERNAL];
233 __u8 add_cmd_params[PMCRAID_ADD_CMD_PARAM_LEN];
234 } u;
235};
236
237
238
239
240struct pmcraid_ioarcb {
241 __le64 ioarcb_bus_addr;
242 __le32 resource_handle;
243 __le32 response_handle;
244 __le64 ioadl_bus_addr;
245 __le32 ioadl_length;
246 __le32 data_transfer_length;
247 __le64 ioasa_bus_addr;
248 __le16 ioasa_len;
249 __le16 cmd_timeout;
250 __le16 add_cmd_param_offset;
251 __le16 add_cmd_param_length;
252 __le32 reserved1[2];
253 __le32 reserved2;
254 __u8 request_type;
255 __u8 request_flags0;
256 __u8 request_flags1;
257 __u8 hrrq_id;
258 __u8 cdb[PMCRAID_MAX_CDB_LEN];
259 struct pmcraid_ioarcb_add_data add_data;
260} __attribute__((packed, aligned(PMCRAID_IOARCB_ALIGNMENT)));
261
262
263#define PMCRAID_IOA_RES_HANDLE 0xffffffff
264#define PMCRAID_INVALID_RES_HANDLE 0
265
266
267#define REQ_TYPE_SCSI 0x00
268#define REQ_TYPE_IOACMD 0x01
269#define REQ_TYPE_HCAM 0x02
270
271
272#define TRANSFER_DIR_WRITE PMC_BIT8(0)
273#define INHIBIT_UL_CHECK PMC_BIT8(2)
274#define SYNC_OVERRIDE PMC_BIT8(3)
275#define SYNC_COMPLETE PMC_BIT8(4)
276#define NO_LINK_DESCS PMC_BIT8(5)
277
278
279#define DELAY_AFTER_RESET PMC_BIT8(0)
280#define TASK_TAG_SIMPLE 0x10
281#define TASK_TAG_ORDERED 0x20
282#define TASK_TAG_QUEUE_HEAD 0x30
283
284
285#define HRRQ_TOGGLE_BIT 0x01
286#define HRRQ_RESPONSE_BIT 0x02
287
288
289struct pmcraid_ioasa_vset {
290 __le32 failing_lba_hi;
291 __le32 failing_lba_lo;
292 __le32 reserved;
293} __attribute__((packed, aligned(4)));
294
295struct pmcraid_ioasa {
296 __le32 ioasc;
297 __le16 returned_status_length;
298 __le16 available_status_length;
299 __le32 residual_data_length;
300 __le32 ilid;
301 __le32 fd_ioasc;
302 __le32 fd_res_address;
303 __le32 fd_res_handle;
304 __le32 reserved;
305
306
307 union {
308 struct pmcraid_ioasa_vset vset;
309 } u;
310
311
312 __le16 auto_sense_length;
313 __le16 error_data_length;
314 __u8 sense_data[PMCRAID_SENSE_DATA_LEN];
315} __attribute__((packed, aligned(4)));
316
317#define PMCRAID_DRIVER_ILID 0xffffffff
318
319
320struct pmcraid_config_table_entry {
321 __u8 resource_type;
322 __u8 bus_protocol;
323 __le16 array_id;
324 __u8 common_flags0;
325 __u8 common_flags1;
326 __u8 unique_flags0;
327 __u8 unique_flags1;
328 __le32 resource_handle;
329 __le32 resource_address;
330 __u8 device_id[PMCRAID_DEVICE_ID_LEN];
331 __u8 lun[PMCRAID_LUN_LEN];
332} __attribute__((packed, aligned(4)));
333
334
335struct pmcraid_config_table_entry_ext {
336 struct pmcraid_config_table_entry cfgte;
337};
338
339
340#define RES_TYPE_AF_DASD 0x00
341#define RES_TYPE_GSCSI 0x01
342#define RES_TYPE_VSET 0x02
343#define RES_TYPE_IOA_FP 0xFF
344
345#define RES_IS_IOA(res) ((res).resource_type == RES_TYPE_IOA_FP)
346#define RES_IS_GSCSI(res) ((res).resource_type == RES_TYPE_GSCSI)
347#define RES_IS_VSET(res) ((res).resource_type == RES_TYPE_VSET)
348#define RES_IS_AFDASD(res) ((res).resource_type == RES_TYPE_AF_DASD)
349
350
351#define RES_TYPE_VENCLOSURE 0x8
352
353
354#define MULTIPATH_RESOURCE PMC_BIT32(0)
355
356
357#define IMPORT_MODE_MANUAL PMC_BIT8(0)
358
359
360#define RES_HANDLE_IOA 0xFFFFFFFF
361#define RES_HANDLE_NONE 0x00000000
362
363
364#define RES_ADDRESS_IOAFP 0xFEFFFFFF
365#define RES_ADDRESS_INVALID 0xFFFFFFFF
366
367
368#define RES_BUS(res_addr) (le32_to_cpu(res_addr) & 0xFF)
369#define RES_TARGET(res_addr) ((le32_to_cpu(res_addr) >> 16) & 0xFF)
370#define RES_LUN(res_addr) 0x0
371
372
373struct pmcraid_config_table {
374 __le16 num_entries;
375 __u8 table_format;
376 __u8 reserved1;
377 __u8 flags;
378 __u8 reserved2[11];
379 union {
380 struct pmcraid_config_table_entry
381 entries[PMCRAID_MAX_RESOURCES];
382 struct pmcraid_config_table_entry_ext
383 entries_ext[PMCRAID_MAX_RESOURCES];
384 };
385} __attribute__((packed, aligned(4)));
386
387
388#define MICROCODE_UPDATE_REQUIRED PMC_BIT32(0)
389
390
391
392
393#define PMCRAID_HOSTRCB_LDNSIZE 4056
394
395
396struct pmcraid_hostrcb_error {
397 __le32 fd_ioasc;
398 __le32 fd_ra;
399 __le32 fd_rh;
400 __le32 prc;
401 union {
402 __u8 data[PMCRAID_HOSTRCB_LDNSIZE];
403 } u;
404} __attribute__ ((packed, aligned(4)));
405
406struct pmcraid_hcam_hdr {
407 __u8 op_code;
408 __u8 notification_type;
409 __u8 notification_lost;
410 __u8 flags;
411 __u8 overlay_id;
412 __u8 reserved1[3];
413 __le32 ilid;
414 __le32 timestamp1;
415 __le32 timestamp2;
416 __le32 data_len;
417} __attribute__((packed, aligned(4)));
418
419#define PMCRAID_AEN_GROUP 0x3
420
421struct pmcraid_hcam_ccn {
422 struct pmcraid_hcam_hdr header;
423 struct pmcraid_config_table_entry cfg_entry;
424 struct pmcraid_config_table_entry cfg_entry_old;
425} __attribute__((packed, aligned(4)));
426
427#define PMCRAID_CCN_EXT_SIZE 3944
428struct pmcraid_hcam_ccn_ext {
429 struct pmcraid_hcam_hdr header;
430 struct pmcraid_config_table_entry_ext cfg_entry;
431 struct pmcraid_config_table_entry_ext cfg_entry_old;
432 __u8 reserved[PMCRAID_CCN_EXT_SIZE];
433} __attribute__((packed, aligned(4)));
434
435struct pmcraid_hcam_ldn {
436 struct pmcraid_hcam_hdr header;
437 struct pmcraid_hostrcb_error error_log;
438} __attribute__((packed, aligned(4)));
439
440
441#define HOSTRCB_TYPE_CCN 0xE1
442#define HOSTRCB_TYPE_LDN 0xE2
443
444
445#define NOTIFICATION_TYPE_ENTRY_CHANGED 0x0
446#define NOTIFICATION_TYPE_ENTRY_NEW 0x1
447#define NOTIFICATION_TYPE_ENTRY_DELETED 0x2
448#define NOTIFICATION_TYPE_STATE_CHANGE 0x3
449#define NOTIFICATION_TYPE_ENTRY_STATECHANGED 0x4
450#define NOTIFICATION_TYPE_ERROR_LOG 0x10
451#define NOTIFICATION_TYPE_INFORMATION_LOG 0x11
452
453#define HOSTRCB_NOTIFICATIONS_LOST PMC_BIT8(0)
454
455
456#define HOSTRCB_INTERNAL_OP_ERROR PMC_BIT8(0)
457#define HOSTRCB_ERROR_RESPONSE_SENT PMC_BIT8(1)
458
459
460#define HOSTRCB_OVERLAY_ID_08 0x08
461#define HOSTRCB_OVERLAY_ID_09 0x09
462#define HOSTRCB_OVERLAY_ID_11 0x11
463#define HOSTRCB_OVERLAY_ID_12 0x12
464#define HOSTRCB_OVERLAY_ID_13 0x13
465#define HOSTRCB_OVERLAY_ID_14 0x14
466#define HOSTRCB_OVERLAY_ID_16 0x16
467#define HOSTRCB_OVERLAY_ID_17 0x17
468#define HOSTRCB_OVERLAY_ID_20 0x20
469#define HOSTRCB_OVERLAY_ID_FF 0xFF
470
471
472struct pmcraid_chip_details {
473
474 unsigned long ioastatus;
475 unsigned long ioarrin;
476 unsigned long mailbox;
477 unsigned long global_intr_mask;
478 unsigned long ioa_host_intr;
479 unsigned long ioa_host_msix_intr;
480 unsigned long ioa_host_intr_clr;
481 unsigned long ioa_host_mask;
482 unsigned long ioa_host_mask_clr;
483 unsigned long host_ioa_intr;
484 unsigned long host_ioa_intr_clr;
485
486
487 unsigned long transop_timeout;
488};
489
490
491#define INTRS_TRANSITION_TO_OPERATIONAL PMC_BIT32(0)
492#define INTRS_IOARCB_TRANSFER_FAILED PMC_BIT32(3)
493#define INTRS_IOA_UNIT_CHECK PMC_BIT32(4)
494#define INTRS_NO_HRRQ_FOR_CMD_RESPONSE PMC_BIT32(5)
495#define INTRS_CRITICAL_OP_IN_PROGRESS PMC_BIT32(6)
496#define INTRS_IO_DEBUG_ACK PMC_BIT32(7)
497#define INTRS_IOARRIN_LOST PMC_BIT32(27)
498#define INTRS_SYSTEM_BUS_MMIO_ERROR PMC_BIT32(28)
499#define INTRS_IOA_PROCESSOR_ERROR PMC_BIT32(29)
500#define INTRS_HRRQ_VALID PMC_BIT32(30)
501#define INTRS_OPERATIONAL_STATUS PMC_BIT32(0)
502#define INTRS_ALLOW_MSIX_VECTOR0 PMC_BIT32(31)
503
504
505#define DOORBELL_RUNTIME_RESET PMC_BIT32(1)
506#define DOORBELL_IOA_RESET_ALERT PMC_BIT32(7)
507#define DOORBELL_IOA_DEBUG_ALERT PMC_BIT32(9)
508#define DOORBELL_ENABLE_DESTRUCTIVE_DIAGS PMC_BIT32(8)
509#define DOORBELL_IOA_START_BIST PMC_BIT32(23)
510#define DOORBELL_INTR_MODE_MSIX PMC_BIT32(25)
511#define DOORBELL_INTR_MSIX_CLR PMC_BIT32(26)
512#define DOORBELL_RESET_IOA PMC_BIT32(31)
513
514
515#define GLOBAL_INTERRUPT_MASK 0x5ULL
516
517#define PMCRAID_ERROR_INTERRUPTS (INTRS_IOARCB_TRANSFER_FAILED | \
518 INTRS_IOA_UNIT_CHECK | \
519 INTRS_NO_HRRQ_FOR_CMD_RESPONSE | \
520 INTRS_IOARRIN_LOST | \
521 INTRS_SYSTEM_BUS_MMIO_ERROR | \
522 INTRS_IOA_PROCESSOR_ERROR)
523
524#define PMCRAID_PCI_INTERRUPTS (PMCRAID_ERROR_INTERRUPTS | \
525 INTRS_HRRQ_VALID | \
526 INTRS_TRANSITION_TO_OPERATIONAL |\
527 INTRS_ALLOW_MSIX_VECTOR0)
528
529
530
531
532
533struct pmcraid_control_block {
534 struct pmcraid_ioarcb ioarcb;
535 struct pmcraid_ioadl_desc ioadl[PMCRAID_IOADLS_EXTERNAL + 3];
536 struct pmcraid_ioasa ioasa;
537} __attribute__ ((packed, aligned(PMCRAID_IOARCB_ALIGNMENT)));
538
539
540
541struct pmcraid_sglist {
542 u32 order;
543 u32 num_sg;
544 u32 num_dma_sg;
545 u32 buffer_len;
546 struct scatterlist scatterlist[1];
547};
548
549
550struct pmcraid_inquiry_data {
551 __u8 ph_dev_type;
552 __u8 page_code;
553 __u8 reserved1;
554 __u8 add_page_len;
555 __u8 length;
556 __u8 reserved2;
557 __le16 fw_version;
558 __u8 reserved3[16];
559};
560
561#define PMCRAID_TIMESTAMP_LEN 12
562#define PMCRAID_REQ_TM_STR_LEN 6
563#define PMCRAID_SCSI_SET_TIMESTAMP 0xA4
564#define PMCRAID_SCSI_SERVICE_ACTION 0x0F
565
566struct pmcraid_timestamp_data {
567 __u8 reserved1[4];
568 __u8 timestamp[PMCRAID_REQ_TM_STR_LEN];
569 __u8 reserved2[2];
570};
571
572
573struct pmcraid_cmd {
574
575
576 struct pmcraid_control_block *ioa_cb;
577 dma_addr_t ioa_cb_bus_addr;
578 dma_addr_t dma_handle;
579
580
581 struct scsi_cmnd *scsi_cmd;
582
583 struct list_head free_list;
584 struct completion wait_for_completion;
585 struct timer_list timer;
586 u32 timeout;
587 u32 index;
588 u8 completion_req;
589 u8 release;
590
591 void (*cmd_done) (struct pmcraid_cmd *);
592 struct pmcraid_instance *drv_inst;
593
594 struct pmcraid_sglist *sglist;
595
596
597 union {
598
599 unsigned long time_left;
600 struct pmcraid_resource_entry *res;
601 int hrrq_index;
602
603
604
605
606
607 struct {
608 u8 *sense_buffer;
609 dma_addr_t sense_buffer_dma;
610 };
611 };
612};
613
614
615
616
617struct pmcraid_interrupts {
618 void __iomem *ioa_host_interrupt_reg;
619 void __iomem *ioa_host_msix_interrupt_reg;
620 void __iomem *ioa_host_interrupt_clr_reg;
621 void __iomem *ioa_host_interrupt_mask_reg;
622 void __iomem *ioa_host_interrupt_mask_clr_reg;
623 void __iomem *global_interrupt_mask_reg;
624 void __iomem *host_ioa_interrupt_reg;
625 void __iomem *host_ioa_interrupt_clr_reg;
626};
627
628
629struct pmcraid_isr_param {
630 struct pmcraid_instance *drv_inst;
631 u16 vector;
632 u8 hrrq_id;
633};
634
635
636
637struct pmcraid_aen_msg {
638 u32 hostno;
639 u32 length;
640 u8 reserved[8];
641 u8 data[0];
642};
643
644
645struct pmcraid_state_msg {
646 struct pmcraid_aen_msg msg;
647 u32 ioa_state;
648};
649
650#define PMC_DEVICE_EVENT_RESET_START 0x11000000
651#define PMC_DEVICE_EVENT_RESET_SUCCESS 0x11000001
652#define PMC_DEVICE_EVENT_RESET_FAILED 0x11000002
653#define PMC_DEVICE_EVENT_SHUTDOWN_START 0x11000003
654#define PMC_DEVICE_EVENT_SHUTDOWN_SUCCESS 0x11000004
655#define PMC_DEVICE_EVENT_SHUTDOWN_FAILED 0x11000005
656
657struct pmcraid_hostrcb {
658 struct pmcraid_instance *drv_inst;
659 struct pmcraid_aen_msg *msg;
660 struct pmcraid_hcam_hdr *hcam;
661 struct pmcraid_cmd *cmd;
662 dma_addr_t baddr;
663 atomic_t ignore;
664};
665
666#define PMCRAID_AEN_HDR_SIZE sizeof(struct pmcraid_aen_msg)
667
668
669
670
671
672
673struct pmcraid_instance {
674
675
676
677 struct pmcraid_resource_entry *res_entries;
678
679 struct list_head free_res_q;
680 struct list_head used_res_q;
681 spinlock_t resource_lock;
682
683 void __iomem *mapped_dma_addr;
684 void __iomem *ioa_status;
685 void __iomem *mailbox;
686 void __iomem *ioarrin;
687
688 struct pmcraid_interrupts int_regs;
689 struct pmcraid_chip_details *chip_cfg;
690
691
692 struct pmcraid_hostrcb ldn;
693 struct pmcraid_hostrcb ccn;
694 struct pmcraid_state_msg scn;
695
696
697
698 dma_addr_t hrrq_start_bus_addr[PMCRAID_NUM_MSIX_VECTORS];
699
700
701 __be32 *hrrq_start[PMCRAID_NUM_MSIX_VECTORS];
702
703
704 __be32 *hrrq_end[PMCRAID_NUM_MSIX_VECTORS];
705
706
707 __be32 *hrrq_curr[PMCRAID_NUM_MSIX_VECTORS];
708
709
710 spinlock_t hrrq_lock[PMCRAID_NUM_MSIX_VECTORS];
711
712 struct pmcraid_inquiry_data *inq_data;
713 dma_addr_t inq_data_baddr;
714
715 struct pmcraid_timestamp_data *timestamp_data;
716 dma_addr_t timestamp_data_baddr;
717
718
719 u32 config_table_entry_size;
720
721
722 u8 host_toggle_bit[PMCRAID_NUM_MSIX_VECTORS];
723
724
725
726 wait_queue_head_t reset_wait_q;
727 struct pmcraid_cmd *reset_cmd;
728
729
730 struct fasync_struct *aen_queue;
731 struct mutex aen_queue_lock;
732 struct cdev cdev;
733
734 struct Scsi_Host *host;
735 struct pci_dev *pdev;
736
737
738 u8 ioa_reset_attempts;
739#define PMCRAID_RESET_ATTEMPTS 3
740
741 u8 current_log_level;
742
743 u8 num_hrrq;
744 u8 interrupt_mode;
745 dev_t dev;
746
747
748 struct pmcraid_isr_param hrrq_vector[PMCRAID_NUM_MSIX_VECTORS];
749
750
751 atomic_t last_message_id;
752
753
754 struct pmcraid_config_table *cfg_table;
755 dma_addr_t cfg_table_bus_addr;
756
757
758 struct kmem_cache *cmd_cachep;
759 struct pci_pool *control_pool;
760 char cmd_pool_name[64];
761 char ctl_pool_name[64];
762
763 struct pmcraid_cmd *cmd_list[PMCRAID_MAX_CMD];
764
765 struct list_head free_cmd_pool;
766 struct list_head pending_cmd_pool;
767 spinlock_t free_pool_lock;
768 spinlock_t pending_pool_lock;
769
770
771 struct tasklet_struct isr_tasklet[PMCRAID_NUM_MSIX_VECTORS];
772
773
774 struct work_struct worker_q;
775
776
777 atomic_t outstanding_cmds;
778
779
780 atomic_t expose_resources;
781
782
783
784 u32 ioa_state:4;
785#define IOA_STATE_OPERATIONAL 0x0
786#define IOA_STATE_UNKNOWN 0x1
787#define IOA_STATE_DEAD 0x2
788#define IOA_STATE_IN_SOFT_RESET 0x3
789#define IOA_STATE_IN_HARD_RESET 0x4
790#define IOA_STATE_IN_RESET_ALERT 0x5
791#define IOA_STATE_IN_BRINGDOWN 0x6
792#define IOA_STATE_IN_BRINGUP 0x7
793
794 u32 ioa_reset_in_progress:1;
795 u32 ioa_hard_reset:1;
796 u32 ioa_unit_check:1;
797 u32 ioa_bringdown:1;
798 u32 force_ioa_reset:1;
799 u32 reinit_cfg_table:1;
800 u32 ioa_shutdown_type:2;
801#define SHUTDOWN_NONE 0x0
802#define SHUTDOWN_NORMAL 0x1
803#define SHUTDOWN_ABBREV 0x2
804 u32 timestamp_error:1;
805
806};
807
808
809struct pmcraid_resource_entry {
810 struct list_head queue;
811 union {
812 struct pmcraid_config_table_entry cfg_entry;
813 struct pmcraid_config_table_entry_ext cfg_entry_ext;
814 };
815 struct scsi_device *scsi_dev;
816 atomic_t read_failures;
817 atomic_t write_failures;
818
819
820 u8 change_detected;
821#define RES_CHANGE_ADD 0x1
822#define RES_CHANGE_DEL 0x2
823
824 u8 reset_progress;
825
826
827
828
829
830
831
832 u8 sync_reqd;
833
834
835
836
837
838 u8 target;
839};
840
841
842struct pmcraid_ioasc_error {
843 u32 ioasc_code;
844 u8 log_level;
845 char *error_string;
846};
847
848
849#define IOASC_LOG_LEVEL_NONE 0x0
850#define IOASC_LOG_LEVEL_MUST 0x1
851#define IOASC_LOG_LEVEL_HARD 0x2
852
853
854
855
856static struct pmcraid_ioasc_error pmcraid_ioasc_error_table[] = {
857 {0x01180600, IOASC_LOG_LEVEL_HARD,
858 "Recovered Error, soft media error, sector reassignment suggested"},
859 {0x015D0000, IOASC_LOG_LEVEL_HARD,
860 "Recovered Error, failure prediction threshold exceeded"},
861 {0x015D9200, IOASC_LOG_LEVEL_HARD,
862 "Recovered Error, soft Cache Card Battery error threshold"},
863 {0x015D9200, IOASC_LOG_LEVEL_HARD,
864 "Recovered Error, soft Cache Card Battery error threshold"},
865 {0x02048000, IOASC_LOG_LEVEL_HARD,
866 "Not Ready, IOA Reset Required"},
867 {0x02408500, IOASC_LOG_LEVEL_HARD,
868 "Not Ready, IOA microcode download required"},
869 {0x03110B00, IOASC_LOG_LEVEL_HARD,
870 "Medium Error, data unreadable, reassignment suggested"},
871 {0x03110C00, IOASC_LOG_LEVEL_MUST,
872 "Medium Error, data unreadable do not reassign"},
873 {0x03310000, IOASC_LOG_LEVEL_HARD,
874 "Medium Error, media corrupted"},
875 {0x04050000, IOASC_LOG_LEVEL_HARD,
876 "Hardware Error, IOA can't communicate with device"},
877 {0x04080000, IOASC_LOG_LEVEL_MUST,
878 "Hardware Error, device bus error"},
879 {0x04088000, IOASC_LOG_LEVEL_MUST,
880 "Hardware Error, device bus is not functioning"},
881 {0x04118000, IOASC_LOG_LEVEL_HARD,
882 "Hardware Error, IOA reserved area data check"},
883 {0x04118100, IOASC_LOG_LEVEL_HARD,
884 "Hardware Error, IOA reserved area invalid data pattern"},
885 {0x04118200, IOASC_LOG_LEVEL_HARD,
886 "Hardware Error, IOA reserved area LRC error"},
887 {0x04320000, IOASC_LOG_LEVEL_HARD,
888 "Hardware Error, reassignment space exhausted"},
889 {0x04330000, IOASC_LOG_LEVEL_HARD,
890 "Hardware Error, data transfer underlength error"},
891 {0x04330000, IOASC_LOG_LEVEL_HARD,
892 "Hardware Error, data transfer overlength error"},
893 {0x04418000, IOASC_LOG_LEVEL_MUST,
894 "Hardware Error, PCI bus error"},
895 {0x04440000, IOASC_LOG_LEVEL_HARD,
896 "Hardware Error, device error"},
897 {0x04448200, IOASC_LOG_LEVEL_MUST,
898 "Hardware Error, IOA error"},
899 {0x04448300, IOASC_LOG_LEVEL_HARD,
900 "Hardware Error, undefined device response"},
901 {0x04448400, IOASC_LOG_LEVEL_HARD,
902 "Hardware Error, IOA microcode error"},
903 {0x04448600, IOASC_LOG_LEVEL_HARD,
904 "Hardware Error, IOA reset required"},
905 {0x04449200, IOASC_LOG_LEVEL_HARD,
906 "Hardware Error, hard Cache Fearuee Card Battery error"},
907 {0x0444A000, IOASC_LOG_LEVEL_HARD,
908 "Hardware Error, failed device altered"},
909 {0x0444A200, IOASC_LOG_LEVEL_HARD,
910 "Hardware Error, data check after reassignment"},
911 {0x0444A300, IOASC_LOG_LEVEL_HARD,
912 "Hardware Error, LRC error after reassignment"},
913 {0x044A0000, IOASC_LOG_LEVEL_HARD,
914 "Hardware Error, device bus error (msg/cmd phase)"},
915 {0x04670400, IOASC_LOG_LEVEL_HARD,
916 "Hardware Error, new device can't be used"},
917 {0x04678000, IOASC_LOG_LEVEL_HARD,
918 "Hardware Error, invalid multiadapter configuration"},
919 {0x04678100, IOASC_LOG_LEVEL_HARD,
920 "Hardware Error, incorrect connection between enclosures"},
921 {0x04678200, IOASC_LOG_LEVEL_HARD,
922 "Hardware Error, connections exceed IOA design limits"},
923 {0x04678300, IOASC_LOG_LEVEL_HARD,
924 "Hardware Error, incorrect multipath connection"},
925 {0x04679000, IOASC_LOG_LEVEL_HARD,
926 "Hardware Error, command to LUN failed"},
927 {0x064C8000, IOASC_LOG_LEVEL_HARD,
928 "Unit Attention, cache exists for missing/failed device"},
929 {0x06670100, IOASC_LOG_LEVEL_HARD,
930 "Unit Attention, incompatible exposed mode device"},
931 {0x06670600, IOASC_LOG_LEVEL_HARD,
932 "Unit Attention, attachment of logical unit failed"},
933 {0x06678000, IOASC_LOG_LEVEL_HARD,
934 "Unit Attention, cables exceed connective design limit"},
935 {0x06678300, IOASC_LOG_LEVEL_HARD,
936 "Unit Attention, incomplete multipath connection between" \
937 "IOA and enclosure"},
938 {0x06678400, IOASC_LOG_LEVEL_HARD,
939 "Unit Attention, incomplete multipath connection between" \
940 "device and enclosure"},
941 {0x06678500, IOASC_LOG_LEVEL_HARD,
942 "Unit Attention, incomplete multipath connection between" \
943 "IOA and remote IOA"},
944 {0x06678600, IOASC_LOG_LEVEL_HARD,
945 "Unit Attention, missing remote IOA"},
946 {0x06679100, IOASC_LOG_LEVEL_HARD,
947 "Unit Attention, enclosure doesn't support required multipath" \
948 "function"},
949 {0x06698200, IOASC_LOG_LEVEL_HARD,
950 "Unit Attention, corrupt array parity detected on device"},
951 {0x066B0200, IOASC_LOG_LEVEL_HARD,
952 "Unit Attention, array exposed"},
953 {0x066B8200, IOASC_LOG_LEVEL_HARD,
954 "Unit Attention, exposed array is still protected"},
955 {0x066B9200, IOASC_LOG_LEVEL_HARD,
956 "Unit Attention, Multipath redundancy level got worse"},
957 {0x07270000, IOASC_LOG_LEVEL_HARD,
958 "Data Protect, device is read/write protected by IOA"},
959 {0x07278000, IOASC_LOG_LEVEL_HARD,
960 "Data Protect, IOA doesn't support device attribute"},
961 {0x07278100, IOASC_LOG_LEVEL_HARD,
962 "Data Protect, NVRAM mirroring prohibited"},
963 {0x07278400, IOASC_LOG_LEVEL_HARD,
964 "Data Protect, array is short 2 or more devices"},
965 {0x07278600, IOASC_LOG_LEVEL_HARD,
966 "Data Protect, exposed array is short a required device"},
967 {0x07278700, IOASC_LOG_LEVEL_HARD,
968 "Data Protect, array members not at required addresses"},
969 {0x07278800, IOASC_LOG_LEVEL_HARD,
970 "Data Protect, exposed mode device resource address conflict"},
971 {0x07278900, IOASC_LOG_LEVEL_HARD,
972 "Data Protect, incorrect resource address of exposed mode device"},
973 {0x07278A00, IOASC_LOG_LEVEL_HARD,
974 "Data Protect, Array is missing a device and parity is out of sync"},
975 {0x07278B00, IOASC_LOG_LEVEL_HARD,
976 "Data Protect, maximum number of arrays already exist"},
977 {0x07278C00, IOASC_LOG_LEVEL_HARD,
978 "Data Protect, cannot locate cache data for device"},
979 {0x07278D00, IOASC_LOG_LEVEL_HARD,
980 "Data Protect, cache data exits for a changed device"},
981 {0x07279100, IOASC_LOG_LEVEL_HARD,
982 "Data Protect, detection of a device requiring format"},
983 {0x07279200, IOASC_LOG_LEVEL_HARD,
984 "Data Protect, IOA exceeds maximum number of devices"},
985 {0x07279600, IOASC_LOG_LEVEL_HARD,
986 "Data Protect, missing array, volume set is not functional"},
987 {0x07279700, IOASC_LOG_LEVEL_HARD,
988 "Data Protect, single device for a volume set"},
989 {0x07279800, IOASC_LOG_LEVEL_HARD,
990 "Data Protect, missing multiple devices for a volume set"},
991 {0x07279900, IOASC_LOG_LEVEL_HARD,
992 "Data Protect, maximum number of volument sets already exists"},
993 {0x07279A00, IOASC_LOG_LEVEL_HARD,
994 "Data Protect, other volume set problem"},
995};
996
997
998#define pmcraid_err(...) \
999 printk(KERN_ERR "MaxRAID: "__VA_ARGS__)
1000
1001#define pmcraid_info(...) \
1002 if (pmcraid_debug_log) \
1003 printk(KERN_INFO "MaxRAID: "__VA_ARGS__)
1004
1005
1006#define SCSI_READ_CMD 0x1
1007#define SCSI_WRITE_CMD 0x2
1008#define SCSI_CMD_TYPE(opcode) \
1009({ u8 op = opcode; u8 __type = 0;\
1010 if (op == READ_6 || op == READ_10 || op == READ_12 || op == READ_16)\
1011 __type = SCSI_READ_CMD;\
1012 else if (op == WRITE_6 || op == WRITE_10 || op == WRITE_12 || \
1013 op == WRITE_16)\
1014 __type = SCSI_WRITE_CMD;\
1015 __type;\
1016})
1017
1018#define IS_SCSI_READ_WRITE(opcode) \
1019({ u8 __type = SCSI_CMD_TYPE(opcode); \
1020 (__type == SCSI_READ_CMD || __type == SCSI_WRITE_CMD) ? 1 : 0;\
1021})
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032struct pmcraid_ioctl_header {
1033 u8 signature[8];
1034 u32 reserved;
1035 u32 buffer_length;
1036};
1037
1038#define PMCRAID_IOCTL_SIGNATURE "PMCRAID"
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054struct pmcraid_passthrough_ioctl_buffer {
1055 struct pmcraid_ioctl_header ioctl_header;
1056 struct pmcraid_ioarcb ioarcb;
1057 struct pmcraid_ioasa ioasa;
1058 u8 request_buffer[1];
1059} __attribute__ ((packed));
1060
1061
1062
1063
1064
1065
1066#define PMCRAID_DRIVER_IOCTL 'D'
1067#define PMCRAID_PASSTHROUGH_IOCTL 'F'
1068
1069#define DRV_IOCTL(n, size) \
1070 _IOC(_IOC_READ|_IOC_WRITE, PMCRAID_DRIVER_IOCTL, (n), (size))
1071
1072#define FMW_IOCTL(n, size) \
1073 _IOC(_IOC_READ|_IOC_WRITE, PMCRAID_PASSTHROUGH_IOCTL, (n), (size))
1074
1075
1076
1077
1078
1079
1080#define _ARGSIZE(arg) (sizeof(struct pmcraid_ioctl_header) + sizeof(arg))
1081
1082
1083
1084#define PMCRAID_IOCTL_RESET_ADAPTER \
1085 DRV_IOCTL(5, sizeof(struct pmcraid_ioctl_header))
1086
1087
1088#define PMCRAID_IOCTL_PASSTHROUGH_COMMAND \
1089 FMW_IOCTL(1, sizeof(struct pmcraid_passthrough_ioctl_buffer))
1090
1091#define PMCRAID_IOCTL_DOWNLOAD_MICROCODE \
1092 FMW_IOCTL(2, sizeof(struct pmcraid_passthrough_ioctl_buffer))
1093
1094
1095#endif
1096