mpt2sas_base.h 27 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806
  1. /*
  2. * This is the Fusion MPT base driver providing common API layer interface
  3. * for access to MPT (Message Passing Technology) firmware.
  4. *
  5. * This code is based on drivers/scsi/mpt2sas/mpt2_base.h
  6. * Copyright (C) 2007-2008 LSI Corporation
  7. * (mailto:DL-MPTFusionLinux@lsi.com)
  8. *
  9. * This program is free software; you can redistribute it and/or
  10. * modify it under the terms of the GNU General Public License
  11. * as published by the Free Software Foundation; either version 2
  12. * of the License, or (at your option) any later version.
  13. *
  14. * This program is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. * GNU General Public License for more details.
  18. *
  19. * NO WARRANTY
  20. * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
  21. * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
  22. * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
  23. * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
  24. * solely responsible for determining the appropriateness of using and
  25. * distributing the Program and assumes all risks associated with its
  26. * exercise of rights under this Agreement, including but not limited to
  27. * the risks and costs of program errors, damage to or loss of data,
  28. * programs or equipment, and unavailability or interruption of operations.
  29. * DISCLAIMER OF LIABILITY
  30. * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
  31. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  32. * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
  33. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34. * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  35. * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
  36. * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
  37. * You should have received a copy of the GNU General Public License
  38. * along with this program; if not, write to the Free Software
  39. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  40. * USA.
  41. */
  42. #ifndef MPT2SAS_BASE_H_INCLUDED
  43. #define MPT2SAS_BASE_H_INCLUDED
  44. #include "mpi/mpi2_type.h"
  45. #include "mpi/mpi2.h"
  46. #include "mpi/mpi2_ioc.h"
  47. #include "mpi/mpi2_cnfg.h"
  48. #include "mpi/mpi2_init.h"
  49. #include "mpi/mpi2_raid.h"
  50. #include "mpi/mpi2_tool.h"
  51. #include "mpi/mpi2_sas.h"
  52. #include <scsi/scsi.h>
  53. #include <scsi/scsi_cmnd.h>
  54. #include <scsi/scsi_device.h>
  55. #include <scsi/scsi_host.h>
  56. #include <scsi/scsi_tcq.h>
  57. #include <scsi/scsi_transport_sas.h>
  58. #include <scsi/scsi_dbg.h>
  59. #include <scsi/scsi_eh.h>
  60. #include "mpt2sas_debug.h"
  61. /* driver versioning info */
  62. #define MPT2SAS_DRIVER_NAME "mpt2sas"
  63. #define MPT2SAS_AUTHOR "LSI Corporation <DL-MPTFusionLinux@lsi.com>"
  64. #define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver"
  65. #define MPT2SAS_DRIVER_VERSION "01.100.04.00"
  66. #define MPT2SAS_MAJOR_VERSION 01
  67. #define MPT2SAS_MINOR_VERSION 100
  68. #define MPT2SAS_BUILD_VERSION 04
  69. #define MPT2SAS_RELEASE_VERSION 00
  70. /*
  71. * Set MPT2SAS_SG_DEPTH value based on user input.
  72. */
  73. #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
  74. #if CONFIG_SCSI_MPT2SAS_MAX_SGE < 16
  75. #define MPT2SAS_SG_DEPTH 16
  76. #elif CONFIG_SCSI_MPT2SAS_MAX_SGE > 128
  77. #define MPT2SAS_SG_DEPTH 128
  78. #else
  79. #define MPT2SAS_SG_DEPTH CONFIG_SCSI_MPT2SAS_MAX_SGE
  80. #endif
  81. #else
  82. #define MPT2SAS_SG_DEPTH 128 /* MAX_HW_SEGMENTS */
  83. #endif
  84. /*
  85. * Generic Defines
  86. */
  87. #define MPT2SAS_SATA_QUEUE_DEPTH 32
  88. #define MPT2SAS_SAS_QUEUE_DEPTH 254
  89. #define MPT2SAS_RAID_QUEUE_DEPTH 128
  90. #define MPT_NAME_LENGTH 32 /* generic length of strings */
  91. #define MPT_STRING_LENGTH 64
  92. #define MPT_MAX_CALLBACKS 16
  93. #define CAN_SLEEP 1
  94. #define NO_SLEEP 0
  95. #define INTERNAL_CMDS_COUNT 10 /* reserved cmds */
  96. #define MPI2_HIM_MASK 0xFFFFFFFF /* mask every bit*/
  97. #define MPT2SAS_INVALID_DEVICE_HANDLE 0xFFFF
  98. /*
  99. * reset phases
  100. */
  101. #define MPT2_IOC_PRE_RESET 1 /* prior to host reset */
  102. #define MPT2_IOC_AFTER_RESET 2 /* just after host reset */
  103. #define MPT2_IOC_DONE_RESET 3 /* links re-initialized */
  104. /*
  105. * logging format
  106. */
  107. #define MPT2SAS_FMT "%s: "
  108. #define MPT2SAS_DEBUG_FMT KERN_DEBUG MPT2SAS_FMT
  109. #define MPT2SAS_INFO_FMT KERN_INFO MPT2SAS_FMT
  110. #define MPT2SAS_NOTE_FMT KERN_NOTICE MPT2SAS_FMT
  111. #define MPT2SAS_WARN_FMT KERN_WARNING MPT2SAS_FMT
  112. #define MPT2SAS_ERR_FMT KERN_ERR MPT2SAS_FMT
  113. /*
  114. * Dell HBA branding
  115. */
  116. #define MPT2SAS_DELL_BRANDING_SIZE 32
  117. #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA"
  118. #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter"
  119. #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
  120. #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular"
  121. #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded"
  122. #define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200"
  123. #define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS"
  124. /*
  125. * Dell HBA SSDIDs
  126. */
  127. #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C
  128. #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D
  129. #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
  130. #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F
  131. #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20
  132. #define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21
  133. #define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22
  134. /*
  135. * per target private data
  136. */
  137. #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
  138. #define MPT_TARGET_FLAGS_VOLUME 0x02
  139. #define MPT_TARGET_FLAGS_DELETED 0x04
  140. /**
  141. * struct MPT2SAS_TARGET - starget private hostdata
  142. * @starget: starget object
  143. * @sas_address: target sas address
  144. * @handle: device handle
  145. * @num_luns: number luns
  146. * @flags: MPT_TARGET_FLAGS_XXX flags
  147. * @deleted: target flaged for deletion
  148. * @tm_busy: target is busy with TM request.
  149. */
  150. struct MPT2SAS_TARGET {
  151. struct scsi_target *starget;
  152. u64 sas_address;
  153. u16 handle;
  154. int num_luns;
  155. u32 flags;
  156. u8 deleted;
  157. u8 tm_busy;
  158. };
  159. /*
  160. * per device private data
  161. */
  162. #define MPT_DEVICE_FLAGS_INIT 0x01
  163. #define MPT_DEVICE_TLR_ON 0x02
  164. /**
  165. * struct MPT2SAS_DEVICE - sdev private hostdata
  166. * @sas_target: starget private hostdata
  167. * @lun: lun number
  168. * @flags: MPT_DEVICE_XXX flags
  169. * @configured_lun: lun is configured
  170. * @block: device is in SDEV_BLOCK state
  171. * @tlr_snoop_check: flag used in determining whether to disable TLR
  172. */
  173. struct MPT2SAS_DEVICE {
  174. struct MPT2SAS_TARGET *sas_target;
  175. unsigned int lun;
  176. u32 flags;
  177. u8 configured_lun;
  178. u8 block;
  179. u8 tlr_snoop_check;
  180. };
  181. #define MPT2_CMD_NOT_USED 0x8000 /* free */
  182. #define MPT2_CMD_COMPLETE 0x0001 /* completed */
  183. #define MPT2_CMD_PENDING 0x0002 /* pending */
  184. #define MPT2_CMD_REPLY_VALID 0x0004 /* reply is valid */
  185. #define MPT2_CMD_RESET 0x0008 /* host reset dropped the command */
  186. /**
  187. * struct _internal_cmd - internal commands struct
  188. * @mutex: mutex
  189. * @done: completion
  190. * @reply: reply message pointer
  191. * @status: MPT2_CMD_XXX status
  192. * @smid: system message id
  193. */
  194. struct _internal_cmd {
  195. struct mutex mutex;
  196. struct completion done;
  197. void *reply;
  198. u16 status;
  199. u16 smid;
  200. };
  201. /*
  202. * SAS Topology Structures
  203. */
  204. /**
  205. * struct _sas_device - attached device information
  206. * @list: sas device list
  207. * @starget: starget object
  208. * @sas_address: device sas address
  209. * @device_name: retrieved from the SAS IDENTIFY frame.
  210. * @handle: device handle
  211. * @parent_handle: handle to parent device
  212. * @enclosure_handle: enclosure handle
  213. * @enclosure_logical_id: enclosure logical identifier
  214. * @volume_handle: volume handle (valid when hidden raid member)
  215. * @volume_wwid: volume unique identifier
  216. * @device_info: bitfield provides detailed info about the device
  217. * @id: target id
  218. * @channel: target channel
  219. * @slot: number number
  220. * @hidden_raid_component: set to 1 when this is a raid member
  221. * @responding: used in _scsih_sas_device_mark_responding
  222. */
  223. struct _sas_device {
  224. struct list_head list;
  225. struct scsi_target *starget;
  226. u64 sas_address;
  227. u64 device_name;
  228. u16 handle;
  229. u16 parent_handle;
  230. u16 enclosure_handle;
  231. u64 enclosure_logical_id;
  232. u16 volume_handle;
  233. u64 volume_wwid;
  234. u32 device_info;
  235. int id;
  236. int channel;
  237. u16 slot;
  238. u8 hidden_raid_component;
  239. u8 responding;
  240. };
  241. /**
  242. * struct _raid_device - raid volume link list
  243. * @list: sas device list
  244. * @starget: starget object
  245. * @sdev: scsi device struct (volumes are single lun)
  246. * @wwid: unique identifier for the volume
  247. * @handle: device handle
  248. * @id: target id
  249. * @channel: target channel
  250. * @volume_type: the raid level
  251. * @device_info: bitfield provides detailed info about the hidden components
  252. * @num_pds: number of hidden raid components
  253. * @responding: used in _scsih_raid_device_mark_responding
  254. */
  255. struct _raid_device {
  256. struct list_head list;
  257. struct scsi_target *starget;
  258. struct scsi_device *sdev;
  259. u64 wwid;
  260. u16 handle;
  261. int id;
  262. int channel;
  263. u8 volume_type;
  264. u32 device_info;
  265. u8 num_pds;
  266. u8 responding;
  267. };
  268. /**
  269. * struct _boot_device - boot device info
  270. * @is_raid: flag to indicate whether this is volume
  271. * @device: holds pointer for either struct _sas_device or
  272. * struct _raid_device
  273. */
  274. struct _boot_device {
  275. u8 is_raid;
  276. void *device;
  277. };
  278. /**
  279. * struct _sas_port - wide/narrow sas port information
  280. * @port_list: list of ports belonging to expander
  281. * @handle: device handle for this port
  282. * @sas_address: sas address of this port
  283. * @num_phys: number of phys belonging to this port
  284. * @remote_identify: attached device identification
  285. * @rphy: sas transport rphy object
  286. * @port: sas transport wide/narrow port object
  287. * @phy_list: _sas_phy list objects belonging to this port
  288. */
  289. struct _sas_port {
  290. struct list_head port_list;
  291. u16 handle;
  292. u64 sas_address;
  293. u8 num_phys;
  294. struct sas_identify remote_identify;
  295. struct sas_rphy *rphy;
  296. struct sas_port *port;
  297. struct list_head phy_list;
  298. };
  299. /**
  300. * struct _sas_phy - phy information
  301. * @port_siblings: list of phys belonging to a port
  302. * @identify: phy identification
  303. * @remote_identify: attached device identification
  304. * @phy: sas transport phy object
  305. * @phy_id: unique phy id
  306. * @handle: device handle for this phy
  307. * @attached_handle: device handle for attached device
  308. */
  309. struct _sas_phy {
  310. struct list_head port_siblings;
  311. struct sas_identify identify;
  312. struct sas_identify remote_identify;
  313. struct sas_phy *phy;
  314. u8 phy_id;
  315. u16 handle;
  316. u16 attached_handle;
  317. };
  318. /**
  319. * struct _sas_node - sas_host/expander information
  320. * @list: list of expanders
  321. * @parent_dev: parent device class
  322. * @num_phys: number phys belonging to this sas_host/expander
  323. * @sas_address: sas address of this sas_host/expander
  324. * @handle: handle for this sas_host/expander
  325. * @parent_handle: parent handle
  326. * @enclosure_handle: handle for this a member of an enclosure
  327. * @device_info: bitwise defining capabilities of this sas_host/expander
  328. * @responding: used in _scsih_expander_device_mark_responding
  329. * @phy: a list of phys that make up this sas_host/expander
  330. * @sas_port_list: list of ports attached to this sas_host/expander
  331. */
  332. struct _sas_node {
  333. struct list_head list;
  334. struct device *parent_dev;
  335. u8 num_phys;
  336. u64 sas_address;
  337. u16 handle;
  338. u16 parent_handle;
  339. u16 enclosure_handle;
  340. u64 enclosure_logical_id;
  341. u8 responding;
  342. struct _sas_phy *phy;
  343. struct list_head sas_port_list;
  344. };
  345. /**
  346. * enum reset_type - reset state
  347. * @FORCE_BIG_HAMMER: issue diagnostic reset
  348. * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
  349. */
  350. enum reset_type {
  351. FORCE_BIG_HAMMER,
  352. SOFT_RESET,
  353. };
  354. /**
  355. * struct request_tracker - firmware request tracker
  356. * @smid: system message id
  357. * @scmd: scsi request pointer
  358. * @cb_idx: callback index
  359. * @chain_list: list of chains associated to this IO
  360. * @tracker_list: list of free request (ioc->free_list)
  361. */
  362. struct request_tracker {
  363. u16 smid;
  364. struct scsi_cmnd *scmd;
  365. u8 cb_idx;
  366. struct list_head tracker_list;
  367. };
  368. typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
  369. /**
  370. * struct MPT2SAS_ADAPTER - per adapter struct
  371. * @list: ioc_list
  372. * @shost: shost object
  373. * @id: unique adapter id
  374. * @pci_irq: irq number
  375. * @name: generic ioc string
  376. * @tmp_string: tmp string used for logging
  377. * @pdev: pci pdev object
  378. * @chip: memory mapped register space
  379. * @chip_phys: physical addrss prior to mapping
  380. * @pio_chip: I/O mapped register space
  381. * @logging_level: see mpt2sas_debug.h
  382. * @ir_firmware: IR firmware present
  383. * @bars: bitmask of BAR's that must be configured
  384. * @mask_interrupts: ignore interrupt
  385. * @fault_reset_work_q_name: fw fault work queue
  386. * @fault_reset_work_q: ""
  387. * @fault_reset_work: ""
  388. * @firmware_event_name: fw event work queue
  389. * @firmware_event_thread: ""
  390. * @fw_events_off: flag to turn off fw event handling
  391. * @fw_event_lock:
  392. * @fw_event_list: list of fw events
  393. * @aen_event_read_flag: event log was read
  394. * @broadcast_aen_busy: broadcast aen waiting to be serviced
  395. * @ioc_reset_in_progress: host reset in progress
  396. * @ioc_reset_in_progress_lock:
  397. * @ioc_link_reset_in_progress: phy/hard reset in progress
  398. * @ignore_loginfos: ignore loginfos during task managment
  399. * @remove_host: flag for when driver unloads, to avoid sending dev resets
  400. * @wait_for_port_enable_to_complete:
  401. * @msix_enable: flag indicating msix is enabled
  402. * @msix_vector_count: number msix vectors
  403. * @msix_table: virt address to the msix table
  404. * @msix_table_backup: backup msix table
  405. * @scsi_io_cb_idx: shost generated commands
  406. * @tm_cb_idx: task management commands
  407. * @transport_cb_idx: transport internal commands
  408. * @ctl_cb_idx: clt internal commands
  409. * @base_cb_idx: base internal commands
  410. * @config_cb_idx: base internal commands
  411. * @base_cmds:
  412. * @transport_cmds:
  413. * @tm_cmds:
  414. * @ctl_cmds:
  415. * @config_cmds:
  416. * @base_add_sg_single: handler for either 32/64 bit sgl's
  417. * @event_type: bits indicating which events to log
  418. * @event_context: unique id for each logged event
  419. * @event_log: event log pointer
  420. * @event_masks: events that are masked
  421. * @facts: static facts data
  422. * @pfacts: static port facts data
  423. * @manu_pg0: static manufacturing page 0
  424. * @bios_pg2: static bios page 2
  425. * @bios_pg3: static bios page 3
  426. * @ioc_pg8: static ioc page 8
  427. * @iounit_pg0: static iounit page 0
  428. * @iounit_pg1: static iounit page 1
  429. * @sas_hba: sas host object
  430. * @sas_expander_list: expander object list
  431. * @sas_node_lock:
  432. * @sas_device_list: sas device object list
  433. * @sas_device_init_list: sas device object list (used only at init time)
  434. * @sas_device_lock:
  435. * @io_missing_delay: time for IO completed by fw when PDR enabled
  436. * @device_missing_delay: time for device missing by fw when PDR enabled
  437. * @config_page_sz: config page size
  438. * @config_page: reserve memory for config page payload
  439. * @config_page_dma:
  440. * @sge_size: sg element size for either 32/64 bit
  441. * @request_depth: hba request queue depth
  442. * @request_sz: per request frame size
  443. * @request: pool of request frames
  444. * @request_dma:
  445. * @request_dma_sz:
  446. * @scsi_lookup: firmware request tracker list
  447. * @scsi_lookup_lock:
  448. * @free_list: free list of request
  449. * @chain: pool of chains
  450. * @pending_io_count:
  451. * @reset_wq:
  452. * @chain_dma:
  453. * @max_sges_in_main_message: number sg elements in main message
  454. * @max_sges_in_chain_message: number sg elements per chain
  455. * @chains_needed_per_io: max chains per io
  456. * @chain_offset_value_for_main_message: location 1st sg in main
  457. * @chain_depth: total chains allocated
  458. * @sense: pool of sense
  459. * @sense_dma:
  460. * @sense_dma_pool:
  461. * @reply_depth: hba reply queue depth:
  462. * @reply_sz: per reply frame size:
  463. * @reply: pool of replys:
  464. * @reply_dma:
  465. * @reply_dma_pool:
  466. * @reply_free_queue_depth: reply free depth
  467. * @reply_free: pool for reply free queue (32 bit addr)
  468. * @reply_free_dma:
  469. * @reply_free_dma_pool:
  470. * @reply_free_host_index: tail index in pool to insert free replys
  471. * @reply_post_queue_depth: reply post queue depth
  472. * @reply_post_free: pool for reply post (64bit descriptor)
  473. * @reply_post_free_dma:
  474. * @reply_post_free_dma_pool:
  475. * @reply_post_host_index: head index in the pool where FW completes IO
  476. */
  477. struct MPT2SAS_ADAPTER {
  478. struct list_head list;
  479. struct Scsi_Host *shost;
  480. u8 id;
  481. u32 pci_irq;
  482. char name[MPT_NAME_LENGTH];
  483. char tmp_string[MPT_STRING_LENGTH];
  484. struct pci_dev *pdev;
  485. Mpi2SystemInterfaceRegs_t __iomem *chip;
  486. unsigned long chip_phys;
  487. unsigned long pio_chip;
  488. int logging_level;
  489. u8 ir_firmware;
  490. int bars;
  491. u8 mask_interrupts;
  492. /* fw fault handler */
  493. char fault_reset_work_q_name[20];
  494. struct workqueue_struct *fault_reset_work_q;
  495. struct delayed_work fault_reset_work;
  496. /* fw event handler */
  497. char firmware_event_name[20];
  498. struct workqueue_struct *firmware_event_thread;
  499. u8 fw_events_off;
  500. spinlock_t fw_event_lock;
  501. struct list_head fw_event_list;
  502. /* misc flags */
  503. int aen_event_read_flag;
  504. u8 broadcast_aen_busy;
  505. u8 ioc_reset_in_progress;
  506. u8 shost_recovery;
  507. spinlock_t ioc_reset_in_progress_lock;
  508. u8 ioc_link_reset_in_progress;
  509. u8 ignore_loginfos;
  510. u8 remove_host;
  511. u8 wait_for_port_enable_to_complete;
  512. u8 msix_enable;
  513. u16 msix_vector_count;
  514. u32 *msix_table;
  515. u32 *msix_table_backup;
  516. /* internal commands, callback index */
  517. u8 scsi_io_cb_idx;
  518. u8 tm_cb_idx;
  519. u8 transport_cb_idx;
  520. u8 ctl_cb_idx;
  521. u8 base_cb_idx;
  522. u8 config_cb_idx;
  523. struct _internal_cmd base_cmds;
  524. struct _internal_cmd transport_cmds;
  525. struct _internal_cmd tm_cmds;
  526. struct _internal_cmd ctl_cmds;
  527. struct _internal_cmd config_cmds;
  528. MPT_ADD_SGE base_add_sg_single;
  529. /* event log */
  530. u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
  531. u32 event_context;
  532. void *event_log;
  533. u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
  534. /* static config pages */
  535. Mpi2IOCFactsReply_t facts;
  536. Mpi2PortFactsReply_t *pfacts;
  537. Mpi2ManufacturingPage0_t manu_pg0;
  538. Mpi2BiosPage2_t bios_pg2;
  539. Mpi2BiosPage3_t bios_pg3;
  540. Mpi2IOCPage8_t ioc_pg8;
  541. Mpi2IOUnitPage0_t iounit_pg0;
  542. Mpi2IOUnitPage1_t iounit_pg1;
  543. struct _boot_device req_boot_device;
  544. struct _boot_device req_alt_boot_device;
  545. struct _boot_device current_boot_device;
  546. /* sas hba, expander, and device list */
  547. struct _sas_node sas_hba;
  548. struct list_head sas_expander_list;
  549. spinlock_t sas_node_lock;
  550. struct list_head sas_device_list;
  551. struct list_head sas_device_init_list;
  552. spinlock_t sas_device_lock;
  553. struct list_head raid_device_list;
  554. spinlock_t raid_device_lock;
  555. u8 io_missing_delay;
  556. u16 device_missing_delay;
  557. int sas_id;
  558. /* config page */
  559. u16 config_page_sz;
  560. void *config_page;
  561. dma_addr_t config_page_dma;
  562. /* request */
  563. u16 sge_size;
  564. u16 request_depth;
  565. u16 request_sz;
  566. u8 *request;
  567. dma_addr_t request_dma;
  568. u32 request_dma_sz;
  569. struct request_tracker *scsi_lookup;
  570. spinlock_t scsi_lookup_lock;
  571. struct list_head free_list;
  572. int pending_io_count;
  573. wait_queue_head_t reset_wq;
  574. /* chain */
  575. u8 *chain;
  576. dma_addr_t chain_dma;
  577. u16 max_sges_in_main_message;
  578. u16 max_sges_in_chain_message;
  579. u16 chains_needed_per_io;
  580. u16 chain_offset_value_for_main_message;
  581. u16 chain_depth;
  582. /* sense */
  583. u8 *sense;
  584. dma_addr_t sense_dma;
  585. struct dma_pool *sense_dma_pool;
  586. /* reply */
  587. u16 reply_sz;
  588. u8 *reply;
  589. dma_addr_t reply_dma;
  590. struct dma_pool *reply_dma_pool;
  591. /* reply free queue */
  592. u16 reply_free_queue_depth;
  593. u32 *reply_free;
  594. dma_addr_t reply_free_dma;
  595. struct dma_pool *reply_free_dma_pool;
  596. u32 reply_free_host_index;
  597. /* reply post queue */
  598. u16 reply_post_queue_depth;
  599. Mpi2ReplyDescriptorsUnion_t *reply_post_free;
  600. dma_addr_t reply_post_free_dma;
  601. struct dma_pool *reply_post_free_dma_pool;
  602. u32 reply_post_host_index;
  603. /* diag buffer support */
  604. u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
  605. u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
  606. dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
  607. u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
  608. u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
  609. u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
  610. u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
  611. };
  612. typedef void (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID,
  613. u32 reply);
  614. /* base shared API */
  615. extern struct list_head mpt2sas_ioc_list;
  616. void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
  617. void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
  618. int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
  619. void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
  620. int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
  621. void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
  622. int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
  623. enum reset_type type);
  624. void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
  625. void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
  626. void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
  627. dma_addr_t mpt2sas_base_get_msg_frame_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid);
  628. dma_addr_t mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid);
  629. u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
  630. void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
  631. void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id,
  632. u16 handle);
  633. void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id);
  634. void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
  635. u8 vf_id, u16 io_index);
  636. void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id);
  637. void mpt2sas_base_initialize_callback_handler(void);
  638. u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
  639. void mpt2sas_base_release_callback_handler(u8 cb_idx);
  640. void mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
  641. void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
  642. u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
  643. void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
  644. int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
  645. Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
  646. *mpi_request);
  647. int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
  648. Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
  649. void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
  650. /* scsih shared API */
  651. void mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
  652. u8 type, u16 smid_task, ulong timeout);
  653. void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
  654. void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
  655. struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
  656. u16 handle);
  657. struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
  658. *ioc, u64 sas_address);
  659. struct _sas_device *mpt2sas_scsih_sas_device_find_by_sas_address(
  660. struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
  661. void mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, u32 reply);
  662. void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
  663. /* config shared API */
  664. void mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
  665. int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
  666. int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
  667. Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
  668. int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  669. *mpi_reply, Mpi2BiosPage2_t *config_page);
  670. int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  671. *mpi_reply, Mpi2BiosPage3_t *config_page);
  672. int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  673. *mpi_reply, Mpi2IOUnitPage0_t *config_page);
  674. int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  675. *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
  676. int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  677. *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
  678. int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  679. *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
  680. int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  681. *mpi_reply, Mpi2IOUnitPage1_t *config_page);
  682. int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  683. *mpi_reply, Mpi2IOUnitPage1_t config_page);
  684. int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  685. *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
  686. int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  687. *mpi_reply, Mpi2IOCPage8_t *config_page);
  688. int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  689. *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
  690. int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  691. *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
  692. int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  693. *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
  694. int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  695. *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
  696. int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  697. *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
  698. int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  699. *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
  700. int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
  701. int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  702. *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
  703. int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  704. *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
  705. u32 form_specific);
  706. int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
  707. u16 *volume_handle);
  708. int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
  709. u64 *wwid);
  710. /* ctl shared API */
  711. extern struct device_attribute *mpt2sas_host_attrs[];
  712. extern struct device_attribute *mpt2sas_dev_attrs[];
  713. void mpt2sas_ctl_init(void);
  714. void mpt2sas_ctl_exit(void);
  715. void mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
  716. void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
  717. void mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, u32 reply);
  718. void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
  719. Mpi2EventNotificationReply_t *mpi_reply);
  720. /* transport shared API */
  721. void mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
  722. struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
  723. u16 handle, u16 parent_handle);
  724. void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
  725. u16 parent_handle);
  726. int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
  727. *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
  728. int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
  729. *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
  730. void mpt2sas_transport_update_phy_link_change(struct MPT2SAS_ADAPTER *ioc, u16 handle,
  731. u16 attached_handle, u8 phy_number, u8 link_rate);
  732. extern struct sas_function_template mpt2sas_transport_functions;
  733. extern struct scsi_transport_template *mpt2sas_transport_template;
  734. #endif /* MPT2SAS_BASE_H_INCLUDED */