ipr.h 35 KB

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  1. /*
  2. * ipr.h -- driver for IBM Power Linux RAID adapters
  3. *
  4. * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
  5. *
  6. * Copyright (C) 2003, 2004 IBM Corporation
  7. *
  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.
  12. *
  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.
  17. *
  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
  21. *
  22. * Alan Cox <alan@redhat.com> - Removed several careless u32/dma_addr_t errors
  23. * that broke 64bit platforms.
  24. */
  25. #ifndef _IPR_H
  26. #define _IPR_H
  27. #include <linux/types.h>
  28. #include <linux/completion.h>
  29. #include <linux/list.h>
  30. #include <linux/kref.h>
  31. #include <scsi/scsi.h>
  32. #include <scsi/scsi_cmnd.h>
  33. /*
  34. * Literals
  35. */
  36. #define IPR_DRIVER_VERSION "2.0.14"
  37. #define IPR_DRIVER_DATE "(May 2, 2005)"
  38. /*
  39. * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
  40. * ops per device for devices not running tagged command queuing.
  41. * This can be adjusted at runtime through sysfs device attributes.
  42. */
  43. #define IPR_MAX_CMD_PER_LUN 6
  44. /*
  45. * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
  46. * ops the mid-layer can send to the adapter.
  47. */
  48. #define IPR_NUM_BASE_CMD_BLKS 100
  49. #define IPR_SUBS_DEV_ID_2780 0x0264
  50. #define IPR_SUBS_DEV_ID_5702 0x0266
  51. #define IPR_SUBS_DEV_ID_5703 0x0278
  52. #define IPR_SUBS_DEV_ID_572E 0x028D
  53. #define IPR_SUBS_DEV_ID_573E 0x02D3
  54. #define IPR_SUBS_DEV_ID_573D 0x02D4
  55. #define IPR_SUBS_DEV_ID_571A 0x02C0
  56. #define IPR_SUBS_DEV_ID_571B 0x02BE
  57. #define IPR_SUBS_DEV_ID_571E 0x02BF
  58. #define IPR_NAME "ipr"
  59. /*
  60. * Return codes
  61. */
  62. #define IPR_RC_JOB_CONTINUE 1
  63. #define IPR_RC_JOB_RETURN 2
  64. /*
  65. * IOASCs
  66. */
  67. #define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
  68. #define IPR_IOASC_SYNC_REQUIRED 0x023f0000
  69. #define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
  70. #define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
  71. #define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
  72. #define IPR_IOASC_IOASC_MASK 0xFFFFFF00
  73. #define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
  74. #define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
  75. #define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
  76. #define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
  77. #define IPR_IOASC_BUS_WAS_RESET 0x06290000
  78. #define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
  79. #define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
  80. #define IPR_FIRST_DRIVER_IOASC 0x10000000
  81. #define IPR_IOASC_IOA_WAS_RESET 0x10000001
  82. #define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
  83. #define IPR_NUM_LOG_HCAMS 2
  84. #define IPR_NUM_CFG_CHG_HCAMS 2
  85. #define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
  86. #define IPR_MAX_NUM_TARGETS_PER_BUS 0x10
  87. #define IPR_MAX_NUM_LUNS_PER_TARGET 256
  88. #define IPR_MAX_NUM_VSET_LUNS_PER_TARGET 8
  89. #define IPR_VSET_BUS 0xff
  90. #define IPR_IOA_BUS 0xff
  91. #define IPR_IOA_TARGET 0xff
  92. #define IPR_IOA_LUN 0xff
  93. #define IPR_MAX_NUM_BUSES 4
  94. #define IPR_MAX_BUS_TO_SCAN IPR_MAX_NUM_BUSES
  95. #define IPR_NUM_RESET_RELOAD_RETRIES 3
  96. /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
  97. #define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
  98. ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 3)
  99. #define IPR_MAX_COMMANDS IPR_NUM_BASE_CMD_BLKS
  100. #define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
  101. IPR_NUM_INTERNAL_CMD_BLKS)
  102. #define IPR_MAX_PHYSICAL_DEVS 192
  103. #define IPR_MAX_SGLIST 64
  104. #define IPR_IOA_MAX_SECTORS 32767
  105. #define IPR_VSET_MAX_SECTORS 512
  106. #define IPR_MAX_CDB_LEN 16
  107. #define IPR_DEFAULT_BUS_WIDTH 16
  108. #define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
  109. #define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
  110. #define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
  111. #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
  112. #define IPR_IOA_RES_HANDLE 0xffffffff
  113. #define IPR_IOA_RES_ADDR 0x00ffffff
  114. /*
  115. * Adapter Commands
  116. */
  117. #define IPR_QUERY_RSRC_STATE 0xC2
  118. #define IPR_RESET_DEVICE 0xC3
  119. #define IPR_RESET_TYPE_SELECT 0x80
  120. #define IPR_LUN_RESET 0x40
  121. #define IPR_TARGET_RESET 0x20
  122. #define IPR_BUS_RESET 0x10
  123. #define IPR_ID_HOST_RR_Q 0xC4
  124. #define IPR_QUERY_IOA_CONFIG 0xC5
  125. #define IPR_CANCEL_ALL_REQUESTS 0xCE
  126. #define IPR_HOST_CONTROLLED_ASYNC 0xCF
  127. #define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
  128. #define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
  129. #define IPR_SET_SUPPORTED_DEVICES 0xFB
  130. #define IPR_IOA_SHUTDOWN 0xF7
  131. #define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
  132. /*
  133. * Timeouts
  134. */
  135. #define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
  136. #define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
  137. #define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
  138. #define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
  139. #define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
  140. #define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
  141. #define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
  142. #define IPR_WRITE_BUFFER_TIMEOUT (10 * 60 * HZ)
  143. #define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
  144. #define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
  145. #define IPR_OPERATIONAL_TIMEOUT (5 * 60)
  146. #define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
  147. #define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
  148. #define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
  149. #define IPR_DUMP_TIMEOUT (15 * HZ)
  150. /*
  151. * SCSI Literals
  152. */
  153. #define IPR_VENDOR_ID_LEN 8
  154. #define IPR_PROD_ID_LEN 16
  155. #define IPR_SERIAL_NUM_LEN 8
  156. /*
  157. * Hardware literals
  158. */
  159. #define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
  160. #define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
  161. #define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
  162. #define IPR_GET_FMT2_BAR_SEL(mbx) \
  163. (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
  164. #define IPR_SDT_FMT2_BAR0_SEL 0x0
  165. #define IPR_SDT_FMT2_BAR1_SEL 0x1
  166. #define IPR_SDT_FMT2_BAR2_SEL 0x2
  167. #define IPR_SDT_FMT2_BAR3_SEL 0x3
  168. #define IPR_SDT_FMT2_BAR4_SEL 0x4
  169. #define IPR_SDT_FMT2_BAR5_SEL 0x5
  170. #define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
  171. #define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
  172. #define IPR_DOORBELL 0x82800000
  173. #define IPR_RUNTIME_RESET 0x40000000
  174. #define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
  175. #define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
  176. #define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
  177. #define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
  178. #define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
  179. #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
  180. #define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
  181. #define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
  182. #define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
  183. #define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
  184. #define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
  185. #define IPR_PCII_ERROR_INTERRUPTS \
  186. (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
  187. IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
  188. #define IPR_PCII_OPER_INTERRUPTS \
  189. (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
  190. #define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
  191. #define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
  192. #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
  193. #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
  194. /*
  195. * Dump literals
  196. */
  197. #define IPR_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
  198. #define IPR_NUM_SDT_ENTRIES 511
  199. #define IPR_MAX_NUM_DUMP_PAGES ((IPR_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
  200. /*
  201. * Misc literals
  202. */
  203. #define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
  204. /*
  205. * Adapter interface types
  206. */
  207. struct ipr_res_addr {
  208. u8 reserved;
  209. u8 bus;
  210. u8 target;
  211. u8 lun;
  212. #define IPR_GET_PHYS_LOC(res_addr) \
  213. (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
  214. }__attribute__((packed, aligned (4)));
  215. struct ipr_std_inq_vpids {
  216. u8 vendor_id[IPR_VENDOR_ID_LEN];
  217. u8 product_id[IPR_PROD_ID_LEN];
  218. }__attribute__((packed));
  219. struct ipr_vpd {
  220. struct ipr_std_inq_vpids vpids;
  221. u8 sn[IPR_SERIAL_NUM_LEN];
  222. }__attribute__((packed));
  223. struct ipr_ext_vpd {
  224. struct ipr_vpd vpd;
  225. __be32 wwid[2];
  226. }__attribute__((packed));
  227. struct ipr_std_inq_data {
  228. u8 peri_qual_dev_type;
  229. #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
  230. #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
  231. u8 removeable_medium_rsvd;
  232. #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
  233. #define IPR_IS_DASD_DEVICE(std_inq) \
  234. ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
  235. !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
  236. #define IPR_IS_SES_DEVICE(std_inq) \
  237. (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
  238. u8 version;
  239. u8 aen_naca_fmt;
  240. u8 additional_len;
  241. u8 sccs_rsvd;
  242. u8 bq_enc_multi;
  243. u8 sync_cmdq_flags;
  244. struct ipr_std_inq_vpids vpids;
  245. u8 ros_rsvd_ram_rsvd[4];
  246. u8 serial_num[IPR_SERIAL_NUM_LEN];
  247. }__attribute__ ((packed));
  248. struct ipr_config_table_entry {
  249. u8 service_level;
  250. u8 array_id;
  251. u8 flags;
  252. #define IPR_IS_IOA_RESOURCE 0x80
  253. #define IPR_IS_ARRAY_MEMBER 0x20
  254. #define IPR_IS_HOT_SPARE 0x10
  255. u8 rsvd_subtype;
  256. #define IPR_RES_SUBTYPE(res) (((res)->cfgte.rsvd_subtype) & 0x0f)
  257. #define IPR_SUBTYPE_AF_DASD 0
  258. #define IPR_SUBTYPE_GENERIC_SCSI 1
  259. #define IPR_SUBTYPE_VOLUME_SET 2
  260. #define IPR_QUEUEING_MODEL(res) ((((res)->cfgte.flags) & 0x70) >> 4)
  261. #define IPR_QUEUE_FROZEN_MODEL 0
  262. #define IPR_QUEUE_NACA_MODEL 1
  263. struct ipr_res_addr res_addr;
  264. __be32 res_handle;
  265. __be32 reserved4[2];
  266. struct ipr_std_inq_data std_inq_data;
  267. }__attribute__ ((packed, aligned (4)));
  268. struct ipr_config_table_hdr {
  269. u8 num_entries;
  270. u8 flags;
  271. #define IPR_UCODE_DOWNLOAD_REQ 0x10
  272. __be16 reserved;
  273. }__attribute__((packed, aligned (4)));
  274. struct ipr_config_table {
  275. struct ipr_config_table_hdr hdr;
  276. struct ipr_config_table_entry dev[IPR_MAX_PHYSICAL_DEVS];
  277. }__attribute__((packed, aligned (4)));
  278. struct ipr_hostrcb_cfg_ch_not {
  279. struct ipr_config_table_entry cfgte;
  280. u8 reserved[936];
  281. }__attribute__((packed, aligned (4)));
  282. struct ipr_supported_device {
  283. __be16 data_length;
  284. u8 reserved;
  285. u8 num_records;
  286. struct ipr_std_inq_vpids vpids;
  287. u8 reserved2[16];
  288. }__attribute__((packed, aligned (4)));
  289. /* Command packet structure */
  290. struct ipr_cmd_pkt {
  291. __be16 reserved; /* Reserved by IOA */
  292. u8 request_type;
  293. #define IPR_RQTYPE_SCSICDB 0x00
  294. #define IPR_RQTYPE_IOACMD 0x01
  295. #define IPR_RQTYPE_HCAM 0x02
  296. u8 luntar_luntrn;
  297. u8 flags_hi;
  298. #define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
  299. #define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
  300. #define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
  301. #define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
  302. #define IPR_FLAGS_HI_NO_LINK_DESC 0x04
  303. u8 flags_lo;
  304. #define IPR_FLAGS_LO_ALIGNED_BFR 0x20
  305. #define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
  306. #define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
  307. #define IPR_FLAGS_LO_SIMPLE_TASK 0x02
  308. #define IPR_FLAGS_LO_ORDERED_TASK 0x04
  309. #define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
  310. #define IPR_FLAGS_LO_ACA_TASK 0x08
  311. u8 cdb[16];
  312. __be16 timeout;
  313. }__attribute__ ((packed, aligned(4)));
  314. /* IOA Request Control Block 128 bytes */
  315. struct ipr_ioarcb {
  316. __be32 ioarcb_host_pci_addr;
  317. __be32 reserved;
  318. __be32 res_handle;
  319. __be32 host_response_handle;
  320. __be32 reserved1;
  321. __be32 reserved2;
  322. __be32 reserved3;
  323. __be32 write_data_transfer_length;
  324. __be32 read_data_transfer_length;
  325. __be32 write_ioadl_addr;
  326. __be32 write_ioadl_len;
  327. __be32 read_ioadl_addr;
  328. __be32 read_ioadl_len;
  329. __be32 ioasa_host_pci_addr;
  330. __be16 ioasa_len;
  331. __be16 reserved4;
  332. struct ipr_cmd_pkt cmd_pkt;
  333. __be32 add_cmd_parms_len;
  334. __be32 add_cmd_parms[10];
  335. }__attribute__((packed, aligned (4)));
  336. struct ipr_ioadl_desc {
  337. __be32 flags_and_data_len;
  338. #define IPR_IOADL_FLAGS_MASK 0xff000000
  339. #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
  340. #define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
  341. #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
  342. #define IPR_IOADL_FLAGS_READ 0x48000000
  343. #define IPR_IOADL_FLAGS_READ_LAST 0x49000000
  344. #define IPR_IOADL_FLAGS_WRITE 0x68000000
  345. #define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
  346. #define IPR_IOADL_FLAGS_LAST 0x01000000
  347. __be32 address;
  348. }__attribute__((packed, aligned (8)));
  349. struct ipr_ioasa_vset {
  350. __be32 failing_lba_hi;
  351. __be32 failing_lba_lo;
  352. __be32 reserved;
  353. }__attribute__((packed, aligned (4)));
  354. struct ipr_ioasa_af_dasd {
  355. __be32 failing_lba;
  356. __be32 reserved[2];
  357. }__attribute__((packed, aligned (4)));
  358. struct ipr_ioasa_gpdd {
  359. u8 end_state;
  360. u8 bus_phase;
  361. __be16 reserved;
  362. __be32 ioa_data[2];
  363. }__attribute__((packed, aligned (4)));
  364. struct ipr_auto_sense {
  365. __be16 auto_sense_len;
  366. __be16 ioa_data_len;
  367. __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
  368. };
  369. struct ipr_ioasa {
  370. __be32 ioasc;
  371. #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
  372. #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
  373. #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
  374. #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
  375. __be16 ret_stat_len; /* Length of the returned IOASA */
  376. __be16 avail_stat_len; /* Total Length of status available. */
  377. __be32 residual_data_len; /* number of bytes in the host data */
  378. /* buffers that were not used by the IOARCB command. */
  379. __be32 ilid;
  380. #define IPR_NO_ILID 0
  381. #define IPR_DRIVER_ILID 0xffffffff
  382. __be32 fd_ioasc;
  383. __be32 fd_phys_locator;
  384. __be32 fd_res_handle;
  385. __be32 ioasc_specific; /* status code specific field */
  386. #define IPR_ADDITIONAL_STATUS_FMT 0x80000000
  387. #define IPR_AUTOSENSE_VALID 0x40000000
  388. #define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
  389. #define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
  390. #define IPR_FIELD_POINTER_MASK 0x0000ffff
  391. union {
  392. struct ipr_ioasa_vset vset;
  393. struct ipr_ioasa_af_dasd dasd;
  394. struct ipr_ioasa_gpdd gpdd;
  395. } u;
  396. struct ipr_auto_sense auto_sense;
  397. }__attribute__((packed, aligned (4)));
  398. struct ipr_mode_parm_hdr {
  399. u8 length;
  400. u8 medium_type;
  401. u8 device_spec_parms;
  402. u8 block_desc_len;
  403. }__attribute__((packed));
  404. struct ipr_mode_pages {
  405. struct ipr_mode_parm_hdr hdr;
  406. u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
  407. }__attribute__((packed));
  408. struct ipr_mode_page_hdr {
  409. u8 ps_page_code;
  410. #define IPR_MODE_PAGE_PS 0x80
  411. #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
  412. u8 page_length;
  413. }__attribute__ ((packed));
  414. struct ipr_dev_bus_entry {
  415. struct ipr_res_addr res_addr;
  416. u8 flags;
  417. #define IPR_SCSI_ATTR_ENABLE_QAS 0x80
  418. #define IPR_SCSI_ATTR_DISABLE_QAS 0x40
  419. #define IPR_SCSI_ATTR_QAS_MASK 0xC0
  420. #define IPR_SCSI_ATTR_ENABLE_TM 0x20
  421. #define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
  422. #define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
  423. #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
  424. u8 scsi_id;
  425. u8 bus_width;
  426. u8 extended_reset_delay;
  427. #define IPR_EXTENDED_RESET_DELAY 7
  428. __be32 max_xfer_rate;
  429. u8 spinup_delay;
  430. u8 reserved3;
  431. __be16 reserved4;
  432. }__attribute__((packed, aligned (4)));
  433. struct ipr_mode_page28 {
  434. struct ipr_mode_page_hdr hdr;
  435. u8 num_entries;
  436. u8 entry_length;
  437. struct ipr_dev_bus_entry bus[0];
  438. }__attribute__((packed));
  439. struct ipr_ioa_vpd {
  440. struct ipr_std_inq_data std_inq_data;
  441. u8 ascii_part_num[12];
  442. u8 reserved[40];
  443. u8 ascii_plant_code[4];
  444. }__attribute__((packed));
  445. struct ipr_inquiry_page3 {
  446. u8 peri_qual_dev_type;
  447. u8 page_code;
  448. u8 reserved1;
  449. u8 page_length;
  450. u8 ascii_len;
  451. u8 reserved2[3];
  452. u8 load_id[4];
  453. u8 major_release;
  454. u8 card_type;
  455. u8 minor_release[2];
  456. u8 ptf_number[4];
  457. u8 patch_number[4];
  458. }__attribute__((packed));
  459. #define IPR_INQUIRY_PAGE0_ENTRIES 20
  460. struct ipr_inquiry_page0 {
  461. u8 peri_qual_dev_type;
  462. u8 page_code;
  463. u8 reserved1;
  464. u8 len;
  465. u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
  466. }__attribute__((packed));
  467. struct ipr_hostrcb_device_data_entry {
  468. struct ipr_vpd vpd;
  469. struct ipr_res_addr dev_res_addr;
  470. struct ipr_vpd new_vpd;
  471. struct ipr_vpd ioa_last_with_dev_vpd;
  472. struct ipr_vpd cfc_last_with_dev_vpd;
  473. __be32 ioa_data[5];
  474. }__attribute__((packed, aligned (4)));
  475. struct ipr_hostrcb_device_data_entry_enhanced {
  476. struct ipr_ext_vpd vpd;
  477. u8 ccin[4];
  478. struct ipr_res_addr dev_res_addr;
  479. struct ipr_ext_vpd new_vpd;
  480. u8 new_ccin[4];
  481. struct ipr_ext_vpd ioa_last_with_dev_vpd;
  482. struct ipr_ext_vpd cfc_last_with_dev_vpd;
  483. }__attribute__((packed, aligned (4)));
  484. struct ipr_hostrcb_array_data_entry {
  485. struct ipr_vpd vpd;
  486. struct ipr_res_addr expected_dev_res_addr;
  487. struct ipr_res_addr dev_res_addr;
  488. }__attribute__((packed, aligned (4)));
  489. struct ipr_hostrcb_array_data_entry_enhanced {
  490. struct ipr_ext_vpd vpd;
  491. u8 ccin[4];
  492. struct ipr_res_addr expected_dev_res_addr;
  493. struct ipr_res_addr dev_res_addr;
  494. }__attribute__((packed, aligned (4)));
  495. struct ipr_hostrcb_type_ff_error {
  496. __be32 ioa_data[502];
  497. }__attribute__((packed, aligned (4)));
  498. struct ipr_hostrcb_type_01_error {
  499. __be32 seek_counter;
  500. __be32 read_counter;
  501. u8 sense_data[32];
  502. __be32 ioa_data[236];
  503. }__attribute__((packed, aligned (4)));
  504. struct ipr_hostrcb_type_02_error {
  505. struct ipr_vpd ioa_vpd;
  506. struct ipr_vpd cfc_vpd;
  507. struct ipr_vpd ioa_last_attached_to_cfc_vpd;
  508. struct ipr_vpd cfc_last_attached_to_ioa_vpd;
  509. __be32 ioa_data[3];
  510. }__attribute__((packed, aligned (4)));
  511. struct ipr_hostrcb_type_12_error {
  512. struct ipr_ext_vpd ioa_vpd;
  513. struct ipr_ext_vpd cfc_vpd;
  514. struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
  515. struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
  516. __be32 ioa_data[3];
  517. }__attribute__((packed, aligned (4)));
  518. struct ipr_hostrcb_type_03_error {
  519. struct ipr_vpd ioa_vpd;
  520. struct ipr_vpd cfc_vpd;
  521. __be32 errors_detected;
  522. __be32 errors_logged;
  523. u8 ioa_data[12];
  524. struct ipr_hostrcb_device_data_entry dev[3];
  525. }__attribute__((packed, aligned (4)));
  526. struct ipr_hostrcb_type_13_error {
  527. struct ipr_ext_vpd ioa_vpd;
  528. struct ipr_ext_vpd cfc_vpd;
  529. __be32 errors_detected;
  530. __be32 errors_logged;
  531. struct ipr_hostrcb_device_data_entry_enhanced dev[3];
  532. }__attribute__((packed, aligned (4)));
  533. struct ipr_hostrcb_type_04_error {
  534. struct ipr_vpd ioa_vpd;
  535. struct ipr_vpd cfc_vpd;
  536. u8 ioa_data[12];
  537. struct ipr_hostrcb_array_data_entry array_member[10];
  538. __be32 exposed_mode_adn;
  539. __be32 array_id;
  540. struct ipr_vpd incomp_dev_vpd;
  541. __be32 ioa_data2;
  542. struct ipr_hostrcb_array_data_entry array_member2[8];
  543. struct ipr_res_addr last_func_vset_res_addr;
  544. u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
  545. u8 protection_level[8];
  546. }__attribute__((packed, aligned (4)));
  547. struct ipr_hostrcb_type_14_error {
  548. struct ipr_ext_vpd ioa_vpd;
  549. struct ipr_ext_vpd cfc_vpd;
  550. __be32 exposed_mode_adn;
  551. __be32 array_id;
  552. struct ipr_res_addr last_func_vset_res_addr;
  553. u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
  554. u8 protection_level[8];
  555. __be32 num_entries;
  556. struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
  557. }__attribute__((packed, aligned (4)));
  558. struct ipr_hostrcb_type_07_error {
  559. u8 failure_reason[64];
  560. struct ipr_vpd vpd;
  561. u32 data[222];
  562. }__attribute__((packed, aligned (4)));
  563. struct ipr_hostrcb_type_17_error {
  564. u8 failure_reason[64];
  565. struct ipr_ext_vpd vpd;
  566. u32 data[476];
  567. }__attribute__((packed, aligned (4)));
  568. struct ipr_hostrcb_error {
  569. __be32 failing_dev_ioasc;
  570. struct ipr_res_addr failing_dev_res_addr;
  571. __be32 failing_dev_res_handle;
  572. __be32 prc;
  573. union {
  574. struct ipr_hostrcb_type_ff_error type_ff_error;
  575. struct ipr_hostrcb_type_01_error type_01_error;
  576. struct ipr_hostrcb_type_02_error type_02_error;
  577. struct ipr_hostrcb_type_03_error type_03_error;
  578. struct ipr_hostrcb_type_04_error type_04_error;
  579. struct ipr_hostrcb_type_07_error type_07_error;
  580. struct ipr_hostrcb_type_12_error type_12_error;
  581. struct ipr_hostrcb_type_13_error type_13_error;
  582. struct ipr_hostrcb_type_14_error type_14_error;
  583. struct ipr_hostrcb_type_17_error type_17_error;
  584. } u;
  585. }__attribute__((packed, aligned (4)));
  586. struct ipr_hostrcb_raw {
  587. __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
  588. }__attribute__((packed, aligned (4)));
  589. struct ipr_hcam {
  590. u8 op_code;
  591. #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
  592. #define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
  593. u8 notify_type;
  594. #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
  595. #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
  596. #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
  597. #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
  598. #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
  599. u8 notifications_lost;
  600. #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
  601. #define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
  602. u8 flags;
  603. #define IPR_HOSTRCB_INTERNAL_OPER 0x80
  604. #define IPR_HOSTRCB_ERR_RESP_SENT 0x40
  605. u8 overlay_id;
  606. #define IPR_HOST_RCB_OVERLAY_ID_1 0x01
  607. #define IPR_HOST_RCB_OVERLAY_ID_2 0x02
  608. #define IPR_HOST_RCB_OVERLAY_ID_3 0x03
  609. #define IPR_HOST_RCB_OVERLAY_ID_4 0x04
  610. #define IPR_HOST_RCB_OVERLAY_ID_6 0x06
  611. #define IPR_HOST_RCB_OVERLAY_ID_7 0x07
  612. #define IPR_HOST_RCB_OVERLAY_ID_12 0x12
  613. #define IPR_HOST_RCB_OVERLAY_ID_13 0x13
  614. #define IPR_HOST_RCB_OVERLAY_ID_14 0x14
  615. #define IPR_HOST_RCB_OVERLAY_ID_16 0x16
  616. #define IPR_HOST_RCB_OVERLAY_ID_17 0x17
  617. #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
  618. u8 reserved1[3];
  619. __be32 ilid;
  620. __be32 time_since_last_ioa_reset;
  621. __be32 reserved2;
  622. __be32 length;
  623. union {
  624. struct ipr_hostrcb_error error;
  625. struct ipr_hostrcb_cfg_ch_not ccn;
  626. struct ipr_hostrcb_raw raw;
  627. } u;
  628. }__attribute__((packed, aligned (4)));
  629. struct ipr_hostrcb {
  630. struct ipr_hcam hcam;
  631. dma_addr_t hostrcb_dma;
  632. struct list_head queue;
  633. };
  634. /* IPR smart dump table structures */
  635. struct ipr_sdt_entry {
  636. __be32 bar_str_offset;
  637. __be32 end_offset;
  638. u8 entry_byte;
  639. u8 reserved[3];
  640. u8 flags;
  641. #define IPR_SDT_ENDIAN 0x80
  642. #define IPR_SDT_VALID_ENTRY 0x20
  643. u8 resv;
  644. __be16 priority;
  645. }__attribute__((packed, aligned (4)));
  646. struct ipr_sdt_header {
  647. __be32 state;
  648. __be32 num_entries;
  649. __be32 num_entries_used;
  650. __be32 dump_size;
  651. }__attribute__((packed, aligned (4)));
  652. struct ipr_sdt {
  653. struct ipr_sdt_header hdr;
  654. struct ipr_sdt_entry entry[IPR_NUM_SDT_ENTRIES];
  655. }__attribute__((packed, aligned (4)));
  656. struct ipr_uc_sdt {
  657. struct ipr_sdt_header hdr;
  658. struct ipr_sdt_entry entry[1];
  659. }__attribute__((packed, aligned (4)));
  660. /*
  661. * Driver types
  662. */
  663. struct ipr_bus_attributes {
  664. u8 bus;
  665. u8 qas_enabled;
  666. u8 bus_width;
  667. u8 reserved;
  668. u32 max_xfer_rate;
  669. };
  670. struct ipr_resource_entry {
  671. struct ipr_config_table_entry cfgte;
  672. u8 needs_sync_complete:1;
  673. u8 in_erp:1;
  674. u8 add_to_ml:1;
  675. u8 del_from_ml:1;
  676. u8 resetting_device:1;
  677. struct scsi_device *sdev;
  678. struct list_head queue;
  679. };
  680. struct ipr_resource_hdr {
  681. u16 num_entries;
  682. u16 reserved;
  683. };
  684. struct ipr_resource_table {
  685. struct ipr_resource_hdr hdr;
  686. struct ipr_resource_entry dev[IPR_MAX_PHYSICAL_DEVS];
  687. };
  688. struct ipr_misc_cbs {
  689. struct ipr_ioa_vpd ioa_vpd;
  690. struct ipr_inquiry_page0 page0_data;
  691. struct ipr_inquiry_page3 page3_data;
  692. struct ipr_mode_pages mode_pages;
  693. struct ipr_supported_device supp_dev;
  694. };
  695. struct ipr_interrupt_offsets {
  696. unsigned long set_interrupt_mask_reg;
  697. unsigned long clr_interrupt_mask_reg;
  698. unsigned long sense_interrupt_mask_reg;
  699. unsigned long clr_interrupt_reg;
  700. unsigned long sense_interrupt_reg;
  701. unsigned long ioarrin_reg;
  702. unsigned long sense_uproc_interrupt_reg;
  703. unsigned long set_uproc_interrupt_reg;
  704. unsigned long clr_uproc_interrupt_reg;
  705. };
  706. struct ipr_interrupts {
  707. void __iomem *set_interrupt_mask_reg;
  708. void __iomem *clr_interrupt_mask_reg;
  709. void __iomem *sense_interrupt_mask_reg;
  710. void __iomem *clr_interrupt_reg;
  711. void __iomem *sense_interrupt_reg;
  712. void __iomem *ioarrin_reg;
  713. void __iomem *sense_uproc_interrupt_reg;
  714. void __iomem *set_uproc_interrupt_reg;
  715. void __iomem *clr_uproc_interrupt_reg;
  716. };
  717. struct ipr_chip_cfg_t {
  718. u32 mailbox;
  719. u8 cache_line_size;
  720. struct ipr_interrupt_offsets regs;
  721. };
  722. struct ipr_chip_t {
  723. u16 vendor;
  724. u16 device;
  725. const struct ipr_chip_cfg_t *cfg;
  726. };
  727. enum ipr_shutdown_type {
  728. IPR_SHUTDOWN_NORMAL = 0x00,
  729. IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
  730. IPR_SHUTDOWN_ABBREV = 0x80,
  731. IPR_SHUTDOWN_NONE = 0x100
  732. };
  733. struct ipr_trace_entry {
  734. u32 time;
  735. u8 op_code;
  736. u8 type;
  737. #define IPR_TRACE_START 0x00
  738. #define IPR_TRACE_FINISH 0xff
  739. u16 cmd_index;
  740. __be32 res_handle;
  741. union {
  742. u32 ioasc;
  743. u32 add_data;
  744. u32 res_addr;
  745. } u;
  746. };
  747. struct ipr_sglist {
  748. u32 order;
  749. u32 num_sg;
  750. u32 num_dma_sg;
  751. u32 buffer_len;
  752. struct scatterlist scatterlist[1];
  753. };
  754. enum ipr_sdt_state {
  755. INACTIVE,
  756. WAIT_FOR_DUMP,
  757. GET_DUMP,
  758. ABORT_DUMP,
  759. DUMP_OBTAINED
  760. };
  761. enum ipr_cache_state {
  762. CACHE_NONE,
  763. CACHE_DISABLED,
  764. CACHE_ENABLED,
  765. CACHE_INVALID
  766. };
  767. /* Per-controller data */
  768. struct ipr_ioa_cfg {
  769. char eye_catcher[8];
  770. #define IPR_EYECATCHER "iprcfg"
  771. struct list_head queue;
  772. u8 allow_interrupts:1;
  773. u8 in_reset_reload:1;
  774. u8 in_ioa_bringdown:1;
  775. u8 ioa_unit_checked:1;
  776. u8 ioa_is_dead:1;
  777. u8 dump_taken:1;
  778. u8 allow_cmds:1;
  779. u8 allow_ml_add_del:1;
  780. enum ipr_cache_state cache_state;
  781. u16 type; /* CCIN of the card */
  782. u8 log_level;
  783. #define IPR_MAX_LOG_LEVEL 4
  784. #define IPR_DEFAULT_LOG_LEVEL 2
  785. #define IPR_NUM_TRACE_INDEX_BITS 8
  786. #define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
  787. #define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
  788. char trace_start[8];
  789. #define IPR_TRACE_START_LABEL "trace"
  790. struct ipr_trace_entry *trace;
  791. u32 trace_index:IPR_NUM_TRACE_INDEX_BITS;
  792. /*
  793. * Queue for free command blocks
  794. */
  795. char ipr_free_label[8];
  796. #define IPR_FREEQ_LABEL "free-q"
  797. struct list_head free_q;
  798. /*
  799. * Queue for command blocks outstanding to the adapter
  800. */
  801. char ipr_pending_label[8];
  802. #define IPR_PENDQ_LABEL "pend-q"
  803. struct list_head pending_q;
  804. char cfg_table_start[8];
  805. #define IPR_CFG_TBL_START "cfg"
  806. struct ipr_config_table *cfg_table;
  807. dma_addr_t cfg_table_dma;
  808. char resource_table_label[8];
  809. #define IPR_RES_TABLE_LABEL "res_tbl"
  810. struct ipr_resource_entry *res_entries;
  811. struct list_head free_res_q;
  812. struct list_head used_res_q;
  813. char ipr_hcam_label[8];
  814. #define IPR_HCAM_LABEL "hcams"
  815. struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
  816. dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
  817. struct list_head hostrcb_free_q;
  818. struct list_head hostrcb_pending_q;
  819. __be32 *host_rrq;
  820. dma_addr_t host_rrq_dma;
  821. #define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
  822. #define IPR_HRRQ_RESP_BIT_SET 0x00000002
  823. #define IPR_HRRQ_TOGGLE_BIT 0x00000001
  824. #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
  825. volatile __be32 *hrrq_start;
  826. volatile __be32 *hrrq_end;
  827. volatile __be32 *hrrq_curr;
  828. volatile u32 toggle_bit;
  829. struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
  830. const struct ipr_chip_cfg_t *chip_cfg;
  831. void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
  832. unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
  833. void __iomem *ioa_mailbox;
  834. struct ipr_interrupts regs;
  835. u16 saved_pcix_cmd_reg;
  836. u16 reset_retries;
  837. u32 errors_logged;
  838. u32 doorbell;
  839. struct Scsi_Host *host;
  840. struct pci_dev *pdev;
  841. struct ipr_sglist *ucode_sglist;
  842. struct ipr_mode_pages *saved_mode_pages;
  843. u8 saved_mode_page_len;
  844. struct work_struct work_q;
  845. wait_queue_head_t reset_wait_q;
  846. struct ipr_dump *dump;
  847. enum ipr_sdt_state sdt_state;
  848. struct ipr_misc_cbs *vpd_cbs;
  849. dma_addr_t vpd_cbs_dma;
  850. struct pci_pool *ipr_cmd_pool;
  851. struct ipr_cmnd *reset_cmd;
  852. char ipr_cmd_label[8];
  853. #define IPR_CMD_LABEL "ipr_cmnd"
  854. struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
  855. u32 ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
  856. };
  857. struct ipr_cmnd {
  858. struct ipr_ioarcb ioarcb;
  859. struct ipr_ioasa ioasa;
  860. struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
  861. struct list_head queue;
  862. struct scsi_cmnd *scsi_cmd;
  863. struct completion completion;
  864. struct timer_list timer;
  865. void (*done) (struct ipr_cmnd *);
  866. int (*job_step) (struct ipr_cmnd *);
  867. u16 cmd_index;
  868. u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
  869. dma_addr_t sense_buffer_dma;
  870. unsigned short dma_use_sg;
  871. dma_addr_t dma_handle;
  872. struct ipr_cmnd *sibling;
  873. union {
  874. enum ipr_shutdown_type shutdown_type;
  875. struct ipr_hostrcb *hostrcb;
  876. unsigned long time_left;
  877. unsigned long scratch;
  878. struct ipr_resource_entry *res;
  879. struct scsi_device *sdev;
  880. } u;
  881. struct ipr_ioa_cfg *ioa_cfg;
  882. };
  883. struct ipr_ses_table_entry {
  884. char product_id[17];
  885. char compare_product_id_byte[17];
  886. u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
  887. };
  888. struct ipr_dump_header {
  889. u32 eye_catcher;
  890. #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
  891. u32 len;
  892. u32 num_entries;
  893. u32 first_entry_offset;
  894. u32 status;
  895. #define IPR_DUMP_STATUS_SUCCESS 0
  896. #define IPR_DUMP_STATUS_QUAL_SUCCESS 2
  897. #define IPR_DUMP_STATUS_FAILED 0xffffffff
  898. u32 os;
  899. #define IPR_DUMP_OS_LINUX 0x4C4E5558
  900. u32 driver_name;
  901. #define IPR_DUMP_DRIVER_NAME 0x49505232
  902. }__attribute__((packed, aligned (4)));
  903. struct ipr_dump_entry_header {
  904. u32 eye_catcher;
  905. #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
  906. u32 len;
  907. u32 num_elems;
  908. u32 offset;
  909. u32 data_type;
  910. #define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
  911. #define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
  912. u32 id;
  913. #define IPR_DUMP_IOA_DUMP_ID 0x494F4131
  914. #define IPR_DUMP_LOCATION_ID 0x4C4F4341
  915. #define IPR_DUMP_TRACE_ID 0x54524143
  916. #define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
  917. #define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
  918. #define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
  919. #define IPR_DUMP_PEND_OPS 0x414F5053
  920. u32 status;
  921. }__attribute__((packed, aligned (4)));
  922. struct ipr_dump_location_entry {
  923. struct ipr_dump_entry_header hdr;
  924. u8 location[BUS_ID_SIZE];
  925. }__attribute__((packed));
  926. struct ipr_dump_trace_entry {
  927. struct ipr_dump_entry_header hdr;
  928. u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
  929. }__attribute__((packed, aligned (4)));
  930. struct ipr_dump_version_entry {
  931. struct ipr_dump_entry_header hdr;
  932. u8 version[sizeof(IPR_DRIVER_VERSION)];
  933. };
  934. struct ipr_dump_ioa_type_entry {
  935. struct ipr_dump_entry_header hdr;
  936. u32 type;
  937. u32 fw_version;
  938. };
  939. struct ipr_driver_dump {
  940. struct ipr_dump_header hdr;
  941. struct ipr_dump_version_entry version_entry;
  942. struct ipr_dump_location_entry location_entry;
  943. struct ipr_dump_ioa_type_entry ioa_type_entry;
  944. struct ipr_dump_trace_entry trace_entry;
  945. }__attribute__((packed));
  946. struct ipr_ioa_dump {
  947. struct ipr_dump_entry_header hdr;
  948. struct ipr_sdt sdt;
  949. __be32 *ioa_data[IPR_MAX_NUM_DUMP_PAGES];
  950. u32 reserved;
  951. u32 next_page_index;
  952. u32 page_offset;
  953. u32 format;
  954. #define IPR_SDT_FMT2 2
  955. #define IPR_SDT_UNKNOWN 3
  956. }__attribute__((packed, aligned (4)));
  957. struct ipr_dump {
  958. struct kref kref;
  959. struct ipr_ioa_cfg *ioa_cfg;
  960. struct ipr_driver_dump driver_dump;
  961. struct ipr_ioa_dump ioa_dump;
  962. };
  963. struct ipr_error_table_t {
  964. u32 ioasc;
  965. int log_ioasa;
  966. int log_hcam;
  967. char *error;
  968. };
  969. struct ipr_software_inq_lid_info {
  970. __be32 load_id;
  971. __be32 timestamp[3];
  972. }__attribute__((packed, aligned (4)));
  973. struct ipr_ucode_image_header {
  974. __be32 header_length;
  975. __be32 lid_table_offset;
  976. u8 major_release;
  977. u8 card_type;
  978. u8 minor_release[2];
  979. u8 reserved[20];
  980. char eyecatcher[16];
  981. __be32 num_lids;
  982. struct ipr_software_inq_lid_info lid[1];
  983. }__attribute__((packed, aligned (4)));
  984. /*
  985. * Macros
  986. */
  987. #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
  988. #ifdef CONFIG_SCSI_IPR_TRACE
  989. #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
  990. #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
  991. #else
  992. #define ipr_create_trace_file(kobj, attr) 0
  993. #define ipr_remove_trace_file(kobj, attr) do { } while(0)
  994. #endif
  995. #ifdef CONFIG_SCSI_IPR_DUMP
  996. #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
  997. #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
  998. #else
  999. #define ipr_create_dump_file(kobj, attr) 0
  1000. #define ipr_remove_dump_file(kobj, attr) do { } while(0)
  1001. #endif
  1002. /*
  1003. * Error logging macros
  1004. */
  1005. #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
  1006. #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
  1007. #define ipr_crit(...) printk(KERN_CRIT IPR_NAME ": "__VA_ARGS__)
  1008. #define ipr_warn(...) printk(KERN_WARNING IPR_NAME": "__VA_ARGS__)
  1009. #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
  1010. #define ipr_sdev_printk(level, sdev, fmt, args...) \
  1011. sdev_printk(level, sdev, fmt, ## args)
  1012. #define ipr_sdev_err(sdev, fmt, ...) \
  1013. ipr_sdev_printk(KERN_ERR, sdev, fmt, ##__VA_ARGS__)
  1014. #define ipr_sdev_info(sdev, fmt, ...) \
  1015. ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__)
  1016. #define ipr_sdev_dbg(sdev, fmt, ...) \
  1017. IPR_DBG_CMD(ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__))
  1018. #define ipr_res_printk(level, ioa_cfg, res, fmt, ...) \
  1019. printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, ioa_cfg->host->host_no, \
  1020. res.bus, res.target, res.lun, ##__VA_ARGS__)
  1021. #define ipr_res_err(ioa_cfg, res, fmt, ...) \
  1022. ipr_res_printk(KERN_ERR, ioa_cfg, res, fmt, ##__VA_ARGS__)
  1023. #define ipr_res_dbg(ioa_cfg, res, fmt, ...) \
  1024. IPR_DBG_CMD(ipr_res_printk(KERN_INFO, ioa_cfg, res, fmt, ##__VA_ARGS__))
  1025. #define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
  1026. { \
  1027. if ((res).bus >= IPR_MAX_NUM_BUSES) { \
  1028. ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
  1029. } else { \
  1030. ipr_err(fmt": %d:%d:%d:%d\n", \
  1031. ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
  1032. (res).bus, (res).target, (res).lun); \
  1033. } \
  1034. }
  1035. #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
  1036. __FILE__, __FUNCTION__, __LINE__)
  1037. #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __FUNCTION__))
  1038. #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __FUNCTION__))
  1039. #define ipr_err_separator \
  1040. ipr_err("----------------------------------------------------------\n")
  1041. /*
  1042. * Inlines
  1043. */
  1044. /**
  1045. * ipr_is_ioa_resource - Determine if a resource is the IOA
  1046. * @res: resource entry struct
  1047. *
  1048. * Return value:
  1049. * 1 if IOA / 0 if not IOA
  1050. **/
  1051. static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
  1052. {
  1053. return (res->cfgte.flags & IPR_IS_IOA_RESOURCE) ? 1 : 0;
  1054. }
  1055. /**
  1056. * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
  1057. * @res: resource entry struct
  1058. *
  1059. * Return value:
  1060. * 1 if AF DASD / 0 if not AF DASD
  1061. **/
  1062. static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
  1063. {
  1064. if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
  1065. !ipr_is_ioa_resource(res) &&
  1066. IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_AF_DASD)
  1067. return 1;
  1068. else
  1069. return 0;
  1070. }
  1071. /**
  1072. * ipr_is_vset_device - Determine if a resource is a VSET
  1073. * @res: resource entry struct
  1074. *
  1075. * Return value:
  1076. * 1 if VSET / 0 if not VSET
  1077. **/
  1078. static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
  1079. {
  1080. if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
  1081. !ipr_is_ioa_resource(res) &&
  1082. IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_VOLUME_SET)
  1083. return 1;
  1084. else
  1085. return 0;
  1086. }
  1087. /**
  1088. * ipr_is_gscsi - Determine if a resource is a generic scsi resource
  1089. * @res: resource entry struct
  1090. *
  1091. * Return value:
  1092. * 1 if GSCSI / 0 if not GSCSI
  1093. **/
  1094. static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
  1095. {
  1096. if (!ipr_is_ioa_resource(res) &&
  1097. IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_SCSI)
  1098. return 1;
  1099. else
  1100. return 0;
  1101. }
  1102. /**
  1103. * ipr_is_naca_model - Determine if a resource is using NACA queueing model
  1104. * @res: resource entry struct
  1105. *
  1106. * Return value:
  1107. * 1 if NACA queueing model / 0 if not NACA queueing model
  1108. **/
  1109. static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
  1110. {
  1111. if (ipr_is_gscsi(res) && IPR_QUEUEING_MODEL(res) == IPR_QUEUE_NACA_MODEL)
  1112. return 1;
  1113. return 0;
  1114. }
  1115. /**
  1116. * ipr_is_device - Determine if resource address is that of a device
  1117. * @res_addr: resource address struct
  1118. *
  1119. * Return value:
  1120. * 1 if AF / 0 if not AF
  1121. **/
  1122. static inline int ipr_is_device(struct ipr_res_addr *res_addr)
  1123. {
  1124. if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
  1125. (res_addr->target < IPR_MAX_NUM_TARGETS_PER_BUS))
  1126. return 1;
  1127. return 0;
  1128. }
  1129. /**
  1130. * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
  1131. * @sdt_word: SDT address
  1132. *
  1133. * Return value:
  1134. * 1 if format 2 / 0 if not
  1135. **/
  1136. static inline int ipr_sdt_is_fmt2(u32 sdt_word)
  1137. {
  1138. u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
  1139. switch (bar_sel) {
  1140. case IPR_SDT_FMT2_BAR0_SEL:
  1141. case IPR_SDT_FMT2_BAR1_SEL:
  1142. case IPR_SDT_FMT2_BAR2_SEL:
  1143. case IPR_SDT_FMT2_BAR3_SEL:
  1144. case IPR_SDT_FMT2_BAR4_SEL:
  1145. case IPR_SDT_FMT2_BAR5_SEL:
  1146. case IPR_SDT_FMT2_EXP_ROM_SEL:
  1147. return 1;
  1148. };
  1149. return 0;
  1150. }
  1151. #endif