2 * ipr.h -- driver for IBM Power Linux RAID adapters
4 * Written By: Brian King, IBM Corporation
6 * Copyright (C) 2003, 2004 IBM Corporation
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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>
33 #include <linux/kdb.h>
39 #define IPR_DRIVER_VERSION "2.0.10"
40 #define IPR_DRIVER_DATE "(June 7, 2004)"
43 * IPR_DBG_TRACE: Setting this to 1 will turn on some general function tracing
44 * resulting in a bunch of extra debugging printks to the console
46 * IPR_DEBUG: Setting this to 1 will turn on some error path tracing.
47 * Enables the ipr_trace macro.
51 #define IPR_DBG_TRACE 1
54 #define IPR_DBG_TRACE 0
58 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
59 * ops per device for devices not running tagged command queuing.
60 * This can be adjusted at runtime through sysfs device attributes.
62 #define IPR_MAX_CMD_PER_LUN 6
65 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
66 * ops the mid-layer can send to the adapter.
68 #define IPR_NUM_BASE_CMD_BLKS 100
70 #define IPR_SUBS_DEV_ID_2780 0x0264
71 #define IPR_SUBS_DEV_ID_5702 0x0266
72 #define IPR_SUBS_DEV_ID_5703 0x0278
73 #define IPR_SUBS_DEV_ID_572E 0x02D3
74 #define IPR_SUBS_DEV_ID_573D 0x02D4
76 #define IPR_NAME "ipr"
81 #define IPR_RC_JOB_CONTINUE 1
82 #define IPR_RC_JOB_RETURN 2
87 #define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
88 #define IPR_IOASC_SYNC_REQUIRED 0x023f0000
89 #define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
90 #define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
91 #define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
92 #define IPR_IOASC_IOASC_MASK 0xFFFFFF00
93 #define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
94 #define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
95 #define IPR_IOASC_BUS_WAS_RESET 0x06290000
96 #define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
97 #define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
99 #define IPR_FIRST_DRIVER_IOASC 0x10000000
100 #define IPR_IOASC_IOA_WAS_RESET 0x10000001
101 #define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
103 #define IPR_NUM_LOG_HCAMS 2
104 #define IPR_NUM_CFG_CHG_HCAMS 2
105 #define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
106 #define IPR_MAX_NUM_TARGETS_PER_BUS 0x10
107 #define IPR_MAX_NUM_LUNS_PER_TARGET 256
108 #define IPR_MAX_NUM_VSET_LUNS_PER_TARGET 8
109 #define IPR_VSET_BUS 0xff
110 #define IPR_IOA_BUS 0xff
111 #define IPR_IOA_TARGET 0xff
112 #define IPR_IOA_LUN 0xff
113 #define IPR_MAX_NUM_BUSES 4
114 #define IPR_MAX_BUS_TO_SCAN IPR_MAX_NUM_BUSES
116 #define IPR_NUM_RESET_RELOAD_RETRIES 3
118 /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
119 #define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
120 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 3)
122 #define IPR_MAX_COMMANDS IPR_NUM_BASE_CMD_BLKS
123 #define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
124 IPR_NUM_INTERNAL_CMD_BLKS)
126 #define IPR_MAX_PHYSICAL_DEVS 192
128 #define IPR_MAX_SGLIST 64
129 #define IPR_MAX_SECTORS 512
130 #define IPR_MAX_CDB_LEN 16
132 #define IPR_DEFAULT_BUS_WIDTH 16
133 #define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
134 #define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
135 #define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
136 #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
138 #define IPR_IOA_RES_HANDLE 0xffffffff
139 #define IPR_IOA_RES_ADDR 0x00ffffff
144 #define IPR_RESET_DEVICE 0xC3
145 #define IPR_RESET_TYPE_SELECT 0x80
146 #define IPR_LUN_RESET 0x40
147 #define IPR_TARGET_RESET 0x20
148 #define IPR_BUS_RESET 0x10
149 #define IPR_ID_HOST_RR_Q 0xC4
150 #define IPR_QUERY_IOA_CONFIG 0xC5
151 #define IPR_ABORT_TASK 0xC7
152 #define IPR_CANCEL_ALL_REQUESTS 0xCE
153 #define IPR_HOST_CONTROLLED_ASYNC 0xCF
154 #define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
155 #define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
156 #define IPR_SET_SUPPORTED_DEVICES 0xFB
157 #define IPR_IOA_SHUTDOWN 0xF7
158 #define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
163 #define IPR_SHUTDOWN_TIMEOUT (10 * 60 * HZ)
164 #define IPR_VSET_RW_TIMEOUT (2 * 60 * HZ)
165 #define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
166 #define IPR_DEVICE_RESET_TIMEOUT (30 * HZ)
167 #define IPR_CANCEL_ALL_TIMEOUT (30 * HZ)
168 #define IPR_ABORT_TASK_TIMEOUT (30 * HZ)
169 #define IPR_INTERNAL_TIMEOUT (30 * HZ)
170 #define IPR_WRITE_BUFFER_TIMEOUT (10 * 60 * HZ)
171 #define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
172 #define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
173 #define IPR_OPERATIONAL_TIMEOUT (5 * 60 * HZ)
174 #define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
175 #define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
176 #define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
177 #define IPR_DUMP_TIMEOUT (15 * HZ)
182 #define IPR_VENDOR_ID_LEN 8
183 #define IPR_PROD_ID_LEN 16
184 #define IPR_SERIAL_NUM_LEN 8
189 #define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
190 #define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
191 #define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
192 #define IPR_GET_FMT2_BAR_SEL(mbx) \
193 (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
194 #define IPR_SDT_FMT2_BAR0_SEL 0x0
195 #define IPR_SDT_FMT2_BAR1_SEL 0x1
196 #define IPR_SDT_FMT2_BAR2_SEL 0x2
197 #define IPR_SDT_FMT2_BAR3_SEL 0x3
198 #define IPR_SDT_FMT2_BAR4_SEL 0x4
199 #define IPR_SDT_FMT2_BAR5_SEL 0x5
200 #define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
201 #define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
202 #define IPR_DOORBELL 0x82800000
204 #define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
205 #define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
206 #define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
207 #define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
208 #define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
209 #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
210 #define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
211 #define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
212 #define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
213 #define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
214 #define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
216 #define IPR_PCII_ERROR_INTERRUPTS \
217 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
218 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
220 #define IPR_PCII_OPER_INTERRUPTS \
221 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
223 #define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
224 #define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
226 #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
227 #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
232 #define IPR_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
233 #define IPR_NUM_SDT_ENTRIES 511
234 #define IPR_MAX_NUM_DUMP_PAGES ((IPR_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
239 #define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
242 * Adapter interface types
245 struct ipr_res_addr {
250 #define IPR_GET_PHYS_LOC(res_addr) \
251 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
252 }__attribute__((packed, aligned (4)));
254 struct ipr_std_inq_vpids {
255 u8 vendor_id[IPR_VENDOR_ID_LEN];
256 u8 product_id[IPR_PROD_ID_LEN];
257 }__attribute__((packed));
259 struct ipr_std_inq_data {
260 u8 peri_qual_dev_type;
261 #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
262 #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
264 u8 removeable_medium_rsvd;
265 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
267 #define IPR_IS_DASD_DEVICE(std_inq) \
268 ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
269 !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
271 #define IPR_IS_SES_DEVICE(std_inq) \
272 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
281 struct ipr_std_inq_vpids vpids;
283 u8 ros_rsvd_ram_rsvd[4];
285 u8 serial_num[IPR_SERIAL_NUM_LEN];
286 }__attribute__ ((packed));
288 struct ipr_config_table_entry {
292 #define IPR_IS_IOA_RESOURCE 0x80
293 #define IPR_IS_ARRAY_MEMBER 0x20
294 #define IPR_IS_HOT_SPARE 0x10
297 #define IPR_RES_SUBTYPE(res) (((res)->cfgte.rsvd_subtype) & 0x0f)
298 #define IPR_SUBTYPE_AF_DASD 0
299 #define IPR_SUBTYPE_GENERIC_SCSI 1
300 #define IPR_SUBTYPE_VOLUME_SET 2
302 struct ipr_res_addr res_addr;
305 struct ipr_std_inq_data std_inq_data;
306 }__attribute__ ((packed, aligned (4)));
308 struct ipr_config_table_hdr {
311 #define IPR_UCODE_DOWNLOAD_REQ 0x10
313 }__attribute__((packed, aligned (4)));
315 struct ipr_config_table {
316 struct ipr_config_table_hdr hdr;
317 struct ipr_config_table_entry dev[IPR_MAX_PHYSICAL_DEVS];
318 }__attribute__((packed, aligned (4)));
320 struct ipr_hostrcb_cfg_ch_not {
321 struct ipr_config_table_entry cfgte;
323 }__attribute__((packed, aligned (4)));
325 struct ipr_supported_device {
329 struct ipr_std_inq_vpids vpids;
331 }__attribute__((packed, aligned (4)));
333 /* Command packet structure */
335 u16 reserved; /* Reserved by IOA */
337 #define IPR_RQTYPE_SCSICDB 0x00
338 #define IPR_RQTYPE_IOACMD 0x01
339 #define IPR_RQTYPE_HCAM 0x02
344 #define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
345 #define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
346 #define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
347 #define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
348 #define IPR_FLAGS_HI_NO_LINK_DESC 0x04
351 #define IPR_FLAGS_LO_ALIGNED_BFR 0x20
352 #define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
353 #define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
354 #define IPR_FLAGS_LO_SIMPLE_TASK 0x02
355 #define IPR_FLAGS_LO_ORDERED_TASK 0x04
356 #define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
357 #define IPR_FLAGS_LO_ACA_TASK 0x08
361 }__attribute__ ((packed, aligned(4)));
363 /* IOA Request Control Block 128 bytes */
365 u32 ioarcb_host_pci_addr;
368 u32 host_response_handle;
373 u32 write_data_transfer_length;
374 u32 read_data_transfer_length;
375 u32 write_ioadl_addr;
380 u32 ioasa_host_pci_addr;
384 struct ipr_cmd_pkt cmd_pkt;
386 u32 add_cmd_parms_len;
387 u32 add_cmd_parms[10];
388 }__attribute__((packed, aligned (4)));
390 struct ipr_ioadl_desc {
391 u32 flags_and_data_len;
392 #define IPR_IOADL_FLAGS_MASK 0xff000000
393 #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
394 #define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
395 #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
396 #define IPR_IOADL_FLAGS_READ 0x48000000
397 #define IPR_IOADL_FLAGS_READ_LAST 0x49000000
398 #define IPR_IOADL_FLAGS_WRITE 0x68000000
399 #define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
400 #define IPR_IOADL_FLAGS_LAST 0x01000000
403 }__attribute__((packed, aligned (8)));
405 struct ipr_ioasa_vset {
409 }__attribute__((packed, aligned (4)));
411 struct ipr_ioasa_af_dasd {
413 }__attribute__((packed, aligned (4)));
415 struct ipr_ioasa_gpdd {
420 }__attribute__((packed, aligned (4)));
422 struct ipr_ioasa_raw {
424 }__attribute__((packed, aligned (4)));
428 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
429 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
430 #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
431 #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
433 u16 ret_stat_len; /* Length of the returned IOASA */
435 u16 avail_stat_len; /* Total Length of status available. */
437 u32 residual_data_len; /* number of bytes in the host data */
438 /* buffers that were not used by the IOARCB command. */
441 #define IPR_NO_ILID 0
442 #define IPR_DRIVER_ILID 0xffffffff
450 u32 ioasc_specific; /* status code specific field */
451 #define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
452 #define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
453 #define IPR_FIELD_POINTER_MASK 0x0000ffff
456 struct ipr_ioasa_vset vset;
457 struct ipr_ioasa_af_dasd dasd;
458 struct ipr_ioasa_gpdd gpdd;
459 struct ipr_ioasa_raw raw;
461 }__attribute__((packed, aligned (4)));
463 struct ipr_mode_parm_hdr {
466 u8 device_spec_parms;
468 }__attribute__((packed));
470 struct ipr_mode_pages {
471 struct ipr_mode_parm_hdr hdr;
472 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
473 }__attribute__((packed));
475 struct ipr_mode_page_hdr {
477 #define IPR_MODE_PAGE_PS 0x80
478 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
480 }__attribute__ ((packed));
482 struct ipr_dev_bus_entry {
483 struct ipr_res_addr res_addr;
485 #define IPR_SCSI_ATTR_ENABLE_QAS 0x80
486 #define IPR_SCSI_ATTR_DISABLE_QAS 0x40
487 #define IPR_SCSI_ATTR_QAS_MASK 0xC0
488 #define IPR_SCSI_ATTR_ENABLE_TM 0x20
489 #define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
490 #define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
491 #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
495 u8 extended_reset_delay;
496 #define IPR_EXTENDED_RESET_DELAY 7
503 }__attribute__((packed, aligned (4)));
505 struct ipr_mode_page28 {
506 struct ipr_mode_page_hdr hdr;
509 struct ipr_dev_bus_entry bus[0];
510 }__attribute__((packed));
513 struct ipr_std_inq_data std_inq_data;
514 u8 ascii_part_num[12];
516 u8 ascii_plant_code[4];
517 }__attribute__((packed));
519 struct ipr_inquiry_page3 {
520 u8 peri_qual_dev_type;
532 }__attribute__((packed));
534 struct ipr_hostrcb_device_data_entry {
535 struct ipr_std_inq_vpids dev_vpids;
536 u8 dev_sn[IPR_SERIAL_NUM_LEN];
537 struct ipr_res_addr dev_res_addr;
538 struct ipr_std_inq_vpids new_dev_vpids;
539 u8 new_dev_sn[IPR_SERIAL_NUM_LEN];
540 struct ipr_std_inq_vpids ioa_last_with_dev_vpids;
541 u8 ioa_last_with_dev_sn[IPR_SERIAL_NUM_LEN];
542 struct ipr_std_inq_vpids cfc_last_with_dev_vpids;
543 u8 cfc_last_with_dev_sn[IPR_SERIAL_NUM_LEN];
545 }__attribute__((packed, aligned (4)));
547 struct ipr_hostrcb_array_data_entry {
548 struct ipr_std_inq_vpids vpids;
549 u8 serial_num[IPR_SERIAL_NUM_LEN];
550 struct ipr_res_addr expected_dev_res_addr;
551 struct ipr_res_addr dev_res_addr;
552 }__attribute__((packed, aligned (4)));
554 struct ipr_hostrcb_type_ff_error {
556 }__attribute__((packed, aligned (4)));
558 struct ipr_hostrcb_type_01_error {
563 }__attribute__((packed, aligned (4)));
565 struct ipr_hostrcb_type_02_error {
566 struct ipr_std_inq_vpids ioa_vpids;
567 u8 ioa_sn[IPR_SERIAL_NUM_LEN];
568 struct ipr_std_inq_vpids cfc_vpids;
569 u8 cfc_sn[IPR_SERIAL_NUM_LEN];
570 struct ipr_std_inq_vpids ioa_last_attached_to_cfc_vpids;
571 u8 ioa_last_attached_to_cfc_sn[IPR_SERIAL_NUM_LEN];
572 struct ipr_std_inq_vpids cfc_last_attached_to_ioa_vpids;
573 u8 cfc_last_attached_to_ioa_sn[IPR_SERIAL_NUM_LEN];
576 }__attribute__((packed, aligned (4)));
578 struct ipr_hostrcb_type_03_error {
579 struct ipr_std_inq_vpids ioa_vpids;
580 u8 ioa_sn[IPR_SERIAL_NUM_LEN];
581 struct ipr_std_inq_vpids cfc_vpids;
582 u8 cfc_sn[IPR_SERIAL_NUM_LEN];
586 struct ipr_hostrcb_device_data_entry dev_entry[3];
588 }__attribute__((packed, aligned (4)));
590 struct ipr_hostrcb_type_04_error {
591 struct ipr_std_inq_vpids ioa_vpids;
592 u8 ioa_sn[IPR_SERIAL_NUM_LEN];
593 struct ipr_std_inq_vpids cfc_vpids;
594 u8 cfc_sn[IPR_SERIAL_NUM_LEN];
596 struct ipr_hostrcb_array_data_entry array_member[10];
597 u32 exposed_mode_adn;
599 struct ipr_std_inq_vpids incomp_dev_vpids;
600 u8 incomp_dev_sn[IPR_SERIAL_NUM_LEN];
602 struct ipr_hostrcb_array_data_entry array_member2[8];
603 struct ipr_res_addr last_func_vset_res_addr;
604 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
605 u8 protection_level[8];
607 }__attribute__((packed, aligned (4)));
609 struct ipr_hostrcb_error {
610 u32 failing_dev_ioasc;
611 struct ipr_res_addr failing_dev_res_addr;
612 u32 failing_dev_res_handle;
615 struct ipr_hostrcb_type_ff_error type_ff_error;
616 struct ipr_hostrcb_type_01_error type_01_error;
617 struct ipr_hostrcb_type_02_error type_02_error;
618 struct ipr_hostrcb_type_03_error type_03_error;
619 struct ipr_hostrcb_type_04_error type_04_error;
621 }__attribute__((packed, aligned (4)));
623 struct ipr_hostrcb_raw {
624 u32 data[sizeof(struct ipr_hostrcb_error)/sizeof(u32)];
625 }__attribute__((packed, aligned (4)));
629 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
630 #define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
633 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
634 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
635 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
636 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
637 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
639 u8 notifications_lost;
640 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
641 #define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
644 #define IPR_HOSTRCB_INTERNAL_OPER 0x80
645 #define IPR_HOSTRCB_ERR_RESP_SENT 0x40
648 #define IPR_HOST_RCB_OVERLAY_ID_1 0x01
649 #define IPR_HOST_RCB_OVERLAY_ID_2 0x02
650 #define IPR_HOST_RCB_OVERLAY_ID_3 0x03
651 #define IPR_HOST_RCB_OVERLAY_ID_4 0x04
652 #define IPR_HOST_RCB_OVERLAY_ID_6 0x06
653 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
657 u32 time_since_last_ioa_reset;
662 struct ipr_hostrcb_error error;
663 struct ipr_hostrcb_cfg_ch_not ccn;
664 struct ipr_hostrcb_raw raw;
666 }__attribute__((packed, aligned (4)));
669 struct ipr_hcam hcam;
671 struct list_head queue;
674 /* IPR smart dump table structures */
675 struct ipr_sdt_entry {
682 #define IPR_SDT_ENDIAN 0x80
683 #define IPR_SDT_VALID_ENTRY 0x20
687 }__attribute__((packed, aligned (4)));
689 struct ipr_sdt_header {
692 u32 num_entries_used;
694 }__attribute__((packed, aligned (4)));
697 struct ipr_sdt_header hdr;
698 struct ipr_sdt_entry entry[IPR_NUM_SDT_ENTRIES];
699 }__attribute__((packed, aligned (4)));
702 struct ipr_sdt_header hdr;
703 struct ipr_sdt_entry entry[1];
704 }__attribute__((packed, aligned (4)));
709 struct ipr_bus_attributes {
717 struct ipr_resource_entry {
718 struct ipr_config_table_entry cfgte;
719 u8 needs_sync_complete:1;
723 u8 resetting_device:1;
727 struct scsi_device *sdev;
728 struct list_head queue;
731 struct ipr_resource_hdr {
736 struct ipr_resource_table {
737 struct ipr_resource_hdr hdr;
738 struct ipr_resource_entry dev[IPR_MAX_PHYSICAL_DEVS];
741 struct ipr_misc_cbs {
742 struct ipr_ioa_vpd ioa_vpd;
743 struct ipr_inquiry_page3 page3_data;
744 struct ipr_mode_pages mode_pages;
745 struct ipr_supported_device supp_dev;
748 struct ipr_interrupts {
749 unsigned long set_interrupt_mask_reg;
750 unsigned long clr_interrupt_mask_reg;
751 unsigned long sense_interrupt_mask_reg;
752 unsigned long clr_interrupt_reg;
754 unsigned long sense_interrupt_reg;
755 unsigned long ioarrin_reg;
756 unsigned long sense_uproc_interrupt_reg;
757 unsigned long set_uproc_interrupt_reg;
758 unsigned long clr_uproc_interrupt_reg;
761 struct ipr_chip_cfg_t {
764 struct ipr_interrupts regs;
767 enum ipr_shutdown_type {
768 IPR_SHUTDOWN_NORMAL = 0x00,
769 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
770 IPR_SHUTDOWN_ABBREV = 0x80,
771 IPR_SHUTDOWN_NONE = 0x100
774 struct ipr_trace_entry {
779 #define IPR_TRACE_START 0x00
780 #define IPR_TRACE_FINISH 0xff
795 struct scatterlist scatterlist[1];
806 /* Per-controller data */
809 #define IPR_EYECATCHER "iprcfg"
811 struct list_head queue;
813 u8 allow_interrupts:1;
814 u8 in_reset_reload:1;
815 u8 in_ioa_bringdown:1;
816 u8 ioa_unit_checked:1;
820 u8 allow_ml_add_del:1;
822 u16 type; /* CCIN of the card */
825 #define IPR_MAX_LOG_LEVEL 4
826 #define IPR_DEFAULT_LOG_LEVEL 2
828 #define IPR_NUM_TRACE_INDEX_BITS 8
829 #define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
830 #define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
832 #define IPR_TRACE_START_LABEL "trace"
833 struct ipr_trace_entry *trace;
834 u32 trace_index:IPR_NUM_TRACE_INDEX_BITS;
837 * Queue for free command blocks
839 char ipr_free_label[8];
840 #define IPR_FREEQ_LABEL "free-q"
841 struct list_head free_q;
844 * Queue for command blocks outstanding to the adapter
846 char ipr_pending_label[8];
847 #define IPR_PENDQ_LABEL "pend-q"
848 struct list_head pending_q;
850 char cfg_table_start[8];
851 #define IPR_CFG_TBL_START "cfg"
852 struct ipr_config_table *cfg_table;
855 char resource_table_label[8];
856 #define IPR_RES_TABLE_LABEL "res_tbl"
857 struct ipr_resource_entry *res_entries;
858 struct list_head free_res_q;
859 struct list_head used_res_q;
861 char ipr_hcam_label[8];
862 #define IPR_HCAM_LABEL "hcams"
863 struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
864 u32 hostrcb_dma[IPR_NUM_HCAMS];
865 struct list_head hostrcb_free_q;
866 struct list_head hostrcb_pending_q;
870 #define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
871 #define IPR_HRRQ_RESP_BIT_SET 0x00000002
872 #define IPR_HRRQ_TOGGLE_BIT 0x00000001
873 #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
874 volatile u32 *hrrq_start;
875 volatile u32 *hrrq_end;
876 volatile u32 *hrrq_curr;
877 volatile u32 toggle_bit;
879 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
881 const struct ipr_chip_cfg_t *chip_cfg;
883 unsigned long hdw_dma_regs; /* iomapped PCI memory space */
884 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
885 unsigned long ioa_mailbox;
886 struct ipr_interrupts regs;
889 u16 saved_pcix_cmd_reg;
894 struct Scsi_Host *host;
895 struct pci_dev *pdev;
896 struct ipr_sglist *ucode_sglist;
897 struct ipr_mode_pages *saved_mode_pages;
898 u8 saved_mode_page_len;
900 struct work_struct work_q;
902 wait_queue_head_t reset_wait_q;
904 struct ipr_dump *dump;
905 enum ipr_sdt_state sdt_state;
907 struct ipr_misc_cbs *vpd_cbs;
910 struct pci_pool *ipr_cmd_pool;
912 struct ipr_cmnd *reset_cmd;
914 char ipr_cmd_label[8];
915 #define IPR_CMD_LABEL "ipr_cmnd"
916 struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
917 u32 ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
921 struct ipr_ioarcb ioarcb;
922 struct ipr_ioasa ioasa;
923 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
924 struct list_head queue;
925 struct scsi_cmnd *scsi_cmd;
926 struct completion completion;
927 struct timer_list timer;
928 void (*done) (struct ipr_cmnd *);
929 int (*job_step) (struct ipr_cmnd *);
931 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
932 dma_addr_t sense_buffer_dma;
933 unsigned short dma_use_sg;
934 dma_addr_t dma_handle;
935 struct ipr_cmnd *sibling;
937 enum ipr_shutdown_type shutdown_type;
938 struct ipr_hostrcb *hostrcb;
939 unsigned long time_left;
940 unsigned long scratch;
941 struct ipr_resource_entry *res;
942 struct scsi_device *sdev;
945 struct ipr_ioa_cfg *ioa_cfg;
948 struct ipr_ses_table_entry {
950 char compare_product_id_byte[17];
951 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
954 struct ipr_dump_header {
956 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
959 u32 first_entry_offset;
961 #define IPR_DUMP_STATUS_SUCCESS 0
962 #define IPR_DUMP_STATUS_QUAL_SUCCESS 2
963 #define IPR_DUMP_STATUS_FAILED 0xffffffff
965 #define IPR_DUMP_OS_LINUX 0x4C4E5558
967 #define IPR_DUMP_DRIVER_NAME 0x49505232
968 }__attribute__((packed, aligned (4)));
970 struct ipr_dump_entry_header {
972 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
977 #define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
978 #define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
980 #define IPR_DUMP_IOA_DUMP_ID 0x494F4131
981 #define IPR_DUMP_LOCATION_ID 0x4C4F4341
982 #define IPR_DUMP_TRACE_ID 0x54524143
983 #define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
984 #define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
985 #define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
986 #define IPR_DUMP_PEND_OPS 0x414F5053
988 }__attribute__((packed, aligned (4)));
990 struct ipr_dump_location_entry {
991 struct ipr_dump_entry_header hdr;
992 u8 location[BUS_ID_SIZE];
993 }__attribute__((packed));
995 struct ipr_dump_trace_entry {
996 struct ipr_dump_entry_header hdr;
997 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
998 }__attribute__((packed, aligned (4)));
1000 struct ipr_dump_version_entry {
1001 struct ipr_dump_entry_header hdr;
1002 u8 version[sizeof(IPR_DRIVER_VERSION)];
1005 struct ipr_dump_ioa_type_entry {
1006 struct ipr_dump_entry_header hdr;
1011 struct ipr_driver_dump {
1012 struct ipr_dump_header hdr;
1013 struct ipr_dump_version_entry version_entry;
1014 struct ipr_dump_location_entry location_entry;
1015 struct ipr_dump_ioa_type_entry ioa_type_entry;
1016 struct ipr_dump_trace_entry trace_entry;
1017 }__attribute__((packed));
1019 struct ipr_ioa_dump {
1020 struct ipr_dump_entry_header hdr;
1022 u32 *ioa_data[IPR_MAX_NUM_DUMP_PAGES];
1024 u32 next_page_index;
1027 #define IPR_SDT_FMT2 2
1028 #define IPR_SDT_UNKNOWN 3
1029 }__attribute__((packed, aligned (4)));
1032 struct kobject kobj;
1033 struct ipr_ioa_cfg *ioa_cfg;
1034 struct ipr_driver_dump driver_dump;
1035 struct ipr_ioa_dump ioa_dump;
1038 struct ipr_error_table_t {
1045 struct ipr_software_inq_lid_info {
1048 }__attribute__((packed, aligned (4)));
1050 struct ipr_ucode_image_header {
1052 u32 lid_table_offset;
1055 u8 minor_release[2];
1057 char eyecatcher[16];
1059 struct ipr_software_inq_lid_info lid[1];
1060 }__attribute__((packed, aligned (4)));
1066 #define IPR_DBG_CMD(CMD) do { CMD; } while (0)
1068 #define IPR_DBG_CMD(CMD)
1071 #define ipr_breakpoint_data KERN_ERR IPR_NAME\
1072 ": %s: %s: Line: %d ioa_cfg: %p\n", __FILE__, \
1073 __FUNCTION__, __LINE__, ioa_cfg
1075 #if defined(CONFIG_KDB) && !defined(CONFIG_PPC_ISERIES)
1076 #define ipr_breakpoint {printk(ipr_breakpoint_data); KDB_ENTER();}
1077 #define ipr_breakpoint_or_die {printk(ipr_breakpoint_data); KDB_ENTER();}
1079 #define ipr_breakpoint
1080 #define ipr_breakpoint_or_die panic(ipr_breakpoint_data)
1083 #ifdef CONFIG_SCSI_IPR_TRACE
1084 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1085 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1087 #define ipr_create_trace_file(kobj, attr) 0
1088 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1091 #ifdef CONFIG_SCSI_IPR_DUMP
1092 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1093 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1095 #define ipr_create_dump_file(kobj, attr) 0
1096 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1100 * Error logging macros
1102 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1103 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1104 #define ipr_crit(...) printk(KERN_CRIT IPR_NAME ": "__VA_ARGS__)
1105 #define ipr_warn(...) printk(KERN_WARNING IPR_NAME": "__VA_ARGS__)
1106 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1108 #define ipr_sdev_printk(level, sdev, fmt, ...) \
1109 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, sdev->host->host_no, \
1110 sdev->channel, sdev->id, sdev->lun, ##__VA_ARGS__)
1112 #define ipr_sdev_err(sdev, fmt, ...) \
1113 ipr_sdev_printk(KERN_ERR, sdev, fmt, ##__VA_ARGS__)
1115 #define ipr_sdev_info(sdev, fmt, ...) \
1116 ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__)
1118 #define ipr_sdev_dbg(sdev, fmt, ...) \
1119 IPR_DBG_CMD(ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__))
1121 #define ipr_res_printk(level, ioa_cfg, res, fmt, ...) \
1122 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, ioa_cfg->host->host_no, \
1123 res.bus, res.target, res.lun, ##__VA_ARGS__)
1125 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1126 ipr_res_printk(KERN_ERR, ioa_cfg, res, fmt, ##__VA_ARGS__)
1127 #define ipr_res_dbg(ioa_cfg, res, fmt, ...) \
1128 IPR_DBG_CMD(ipr_res_printk(KERN_INFO, ioa_cfg, res, fmt, ##__VA_ARGS__))
1130 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1131 __FILE__, __FUNCTION__, __LINE__)
1134 #define ENTER printk(KERN_INFO IPR_NAME": Entering %s\n", __FUNCTION__)
1135 #define LEAVE printk(KERN_INFO IPR_NAME": Leaving %s\n", __FUNCTION__)
1141 #define ipr_err_separator \
1142 ipr_err("----------------------------------------------------------\n")
1150 * ipr_is_ioa_resource - Determine if a resource is the IOA
1151 * @res: resource entry struct
1154 * 1 if IOA / 0 if not IOA
1156 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1158 return (res->cfgte.flags & IPR_IS_IOA_RESOURCE) ? 1 : 0;
1162 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1163 * @res: resource entry struct
1166 * 1 if AF DASD / 0 if not AF DASD
1168 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1170 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1171 !ipr_is_ioa_resource(res) &&
1172 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_AF_DASD)
1179 * ipr_is_vset_device - Determine if a resource is a VSET
1180 * @res: resource entry struct
1183 * 1 if VSET / 0 if not VSET
1185 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1187 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1188 !ipr_is_ioa_resource(res) &&
1189 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_VOLUME_SET)
1196 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1197 * @res: resource entry struct
1200 * 1 if GSCSI / 0 if not GSCSI
1202 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1204 if (!ipr_is_ioa_resource(res) &&
1205 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_SCSI)
1212 * ipr_is_device - Determine if resource address is that of a device
1213 * @res_addr: resource address struct
1216 * 1 if AF / 0 if not AF
1218 static inline int ipr_is_device(struct ipr_res_addr *res_addr)
1220 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1221 (res_addr->target < IPR_MAX_NUM_TARGETS_PER_BUS))
1228 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1229 * @sdt_word: SDT address
1232 * 1 if format 2 / 0 if not
1234 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1236 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1239 case IPR_SDT_FMT2_BAR0_SEL:
1240 case IPR_SDT_FMT2_BAR1_SEL:
1241 case IPR_SDT_FMT2_BAR2_SEL:
1242 case IPR_SDT_FMT2_BAR3_SEL:
1243 case IPR_SDT_FMT2_BAR4_SEL:
1244 case IPR_SDT_FMT2_BAR5_SEL:
1245 case IPR_SDT_FMT2_EXP_ROM_SEL: