mpt2sas_base.h 27 KB

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  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 "mpt2sas_debug.h"
  60. /* driver versioning info */
  61. #define MPT2SAS_DRIVER_NAME "mpt2sas"
  62. #define MPT2SAS_AUTHOR "LSI Corporation <DL-MPTFusionLinux@lsi.com>"
  63. #define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver"
  64. #define MPT2SAS_DRIVER_VERSION "01.100.02.00"
  65. #define MPT2SAS_MAJOR_VERSION 01
  66. #define MPT2SAS_MINOR_VERSION 100
  67. #define MPT2SAS_BUILD_VERSION 02
  68. #define MPT2SAS_RELEASE_VERSION 00
  69. /*
  70. * Set MPT2SAS_SG_DEPTH value based on user input.
  71. */
  72. #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
  73. #if CONFIG_SCSI_MPT2SAS_MAX_SGE < 16
  74. #define MPT2SAS_SG_DEPTH 16
  75. #elif CONFIG_SCSI_MPT2SAS_MAX_SGE > 128
  76. #define MPT2SAS_SG_DEPTH 128
  77. #else
  78. #define MPT2SAS_SG_DEPTH CONFIG_SCSI_MPT2SAS_MAX_SGE
  79. #endif
  80. #else
  81. #define MPT2SAS_SG_DEPTH 128 /* MAX_HW_SEGMENTS */
  82. #endif
  83. /*
  84. * Generic Defines
  85. */
  86. #define MPT2SAS_SATA_QUEUE_DEPTH 32
  87. #define MPT2SAS_SAS_QUEUE_DEPTH 254
  88. #define MPT2SAS_RAID_QUEUE_DEPTH 128
  89. #define MPT_NAME_LENGTH 32 /* generic length of strings */
  90. #define MPT_STRING_LENGTH 64
  91. #define MPT_MAX_CALLBACKS 16
  92. #define CAN_SLEEP 1
  93. #define NO_SLEEP 0
  94. #define INTERNAL_CMDS_COUNT 10 /* reserved cmds */
  95. #define MPI2_HIM_MASK 0xFFFFFFFF /* mask every bit*/
  96. #define MPT2SAS_INVALID_DEVICE_HANDLE 0xFFFF
  97. /*
  98. * reset phases
  99. */
  100. #define MPT2_IOC_PRE_RESET 1 /* prior to host reset */
  101. #define MPT2_IOC_AFTER_RESET 2 /* just after host reset */
  102. #define MPT2_IOC_DONE_RESET 3 /* links re-initialized */
  103. /*
  104. * logging format
  105. */
  106. #define MPT2SAS_FMT "%s: "
  107. #define MPT2SAS_DEBUG_FMT KERN_DEBUG MPT2SAS_FMT
  108. #define MPT2SAS_INFO_FMT KERN_INFO MPT2SAS_FMT
  109. #define MPT2SAS_NOTE_FMT KERN_NOTICE MPT2SAS_FMT
  110. #define MPT2SAS_WARN_FMT KERN_WARNING MPT2SAS_FMT
  111. #define MPT2SAS_ERR_FMT KERN_ERR MPT2SAS_FMT
  112. /*
  113. * Dell HBA branding
  114. */
  115. #define MPT2SAS_DELL_BRANDING_SIZE 32
  116. #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA"
  117. #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter"
  118. #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
  119. #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular"
  120. #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded"
  121. #define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200"
  122. #define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS"
  123. /*
  124. * Dell HBA SSDIDs
  125. */
  126. #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C
  127. #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D
  128. #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
  129. #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F
  130. #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20
  131. #define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21
  132. #define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22
  133. /*
  134. * per target private data
  135. */
  136. #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
  137. #define MPT_TARGET_FLAGS_VOLUME 0x02
  138. #define MPT_TARGET_FLAGS_DELETED 0x04
  139. /**
  140. * struct MPT2SAS_TARGET - starget private hostdata
  141. * @starget: starget object
  142. * @sas_address: target sas address
  143. * @handle: device handle
  144. * @num_luns: number luns
  145. * @flags: MPT_TARGET_FLAGS_XXX flags
  146. * @deleted: target flaged for deletion
  147. * @tm_busy: target is busy with TM request.
  148. */
  149. struct MPT2SAS_TARGET {
  150. struct scsi_target *starget;
  151. u64 sas_address;
  152. u16 handle;
  153. int num_luns;
  154. u32 flags;
  155. u8 deleted;
  156. u8 tm_busy;
  157. };
  158. /*
  159. * per device private data
  160. */
  161. #define MPT_DEVICE_FLAGS_INIT 0x01
  162. #define MPT_DEVICE_TLR_ON 0x02
  163. /**
  164. * struct MPT2SAS_DEVICE - sdev private hostdata
  165. * @sas_target: starget private hostdata
  166. * @lun: lun number
  167. * @flags: MPT_DEVICE_XXX flags
  168. * @configured_lun: lun is configured
  169. * @block: device is in SDEV_BLOCK state
  170. * @tlr_snoop_check: flag used in determining whether to disable TLR
  171. */
  172. struct MPT2SAS_DEVICE {
  173. struct MPT2SAS_TARGET *sas_target;
  174. unsigned int lun;
  175. u32 flags;
  176. u8 configured_lun;
  177. u8 block;
  178. u8 tlr_snoop_check;
  179. };
  180. #define MPT2_CMD_NOT_USED 0x8000 /* free */
  181. #define MPT2_CMD_COMPLETE 0x0001 /* completed */
  182. #define MPT2_CMD_PENDING 0x0002 /* pending */
  183. #define MPT2_CMD_REPLY_VALID 0x0004 /* reply is valid */
  184. #define MPT2_CMD_RESET 0x0008 /* host reset dropped the command */
  185. /**
  186. * struct _internal_cmd - internal commands struct
  187. * @mutex: mutex
  188. * @done: completion
  189. * @reply: reply message pointer
  190. * @status: MPT2_CMD_XXX status
  191. * @smid: system message id
  192. */
  193. struct _internal_cmd {
  194. struct mutex mutex;
  195. struct completion done;
  196. void *reply;
  197. u16 status;
  198. u16 smid;
  199. };
  200. /*
  201. * SAS Topology Structures
  202. */
  203. /**
  204. * struct _sas_device - attached device information
  205. * @list: sas device list
  206. * @starget: starget object
  207. * @sas_address: device sas address
  208. * @device_name: retrieved from the SAS IDENTIFY frame.
  209. * @handle: device handle
  210. * @parent_handle: handle to parent device
  211. * @enclosure_handle: enclosure handle
  212. * @enclosure_logical_id: enclosure logical identifier
  213. * @volume_handle: volume handle (valid when hidden raid member)
  214. * @volume_wwid: volume unique identifier
  215. * @device_info: bitfield provides detailed info about the device
  216. * @id: target id
  217. * @channel: target channel
  218. * @slot: number number
  219. * @hidden_raid_component: set to 1 when this is a raid member
  220. * @responding: used in _scsih_sas_device_mark_responding
  221. */
  222. struct _sas_device {
  223. struct list_head list;
  224. struct scsi_target *starget;
  225. u64 sas_address;
  226. u64 device_name;
  227. u16 handle;
  228. u16 parent_handle;
  229. u16 enclosure_handle;
  230. u64 enclosure_logical_id;
  231. u16 volume_handle;
  232. u64 volume_wwid;
  233. u32 device_info;
  234. int id;
  235. int channel;
  236. u16 slot;
  237. u8 hidden_raid_component;
  238. u8 responding;
  239. };
  240. /**
  241. * struct _raid_device - raid volume link list
  242. * @list: sas device list
  243. * @starget: starget object
  244. * @sdev: scsi device struct (volumes are single lun)
  245. * @wwid: unique identifier for the volume
  246. * @handle: device handle
  247. * @id: target id
  248. * @channel: target channel
  249. * @volume_type: the raid level
  250. * @device_info: bitfield provides detailed info about the hidden components
  251. * @num_pds: number of hidden raid components
  252. * @responding: used in _scsih_raid_device_mark_responding
  253. */
  254. struct _raid_device {
  255. struct list_head list;
  256. struct scsi_target *starget;
  257. struct scsi_device *sdev;
  258. u64 wwid;
  259. u16 handle;
  260. int id;
  261. int channel;
  262. u8 volume_type;
  263. u32 device_info;
  264. u8 num_pds;
  265. u8 responding;
  266. };
  267. /**
  268. * struct _boot_device - boot device info
  269. * @is_raid: flag to indicate whether this is volume
  270. * @device: holds pointer for either struct _sas_device or
  271. * struct _raid_device
  272. */
  273. struct _boot_device {
  274. u8 is_raid;
  275. void *device;
  276. };
  277. /**
  278. * struct _sas_port - wide/narrow sas port information
  279. * @port_list: list of ports belonging to expander
  280. * @handle: device handle for this port
  281. * @sas_address: sas address of this port
  282. * @num_phys: number of phys belonging to this port
  283. * @remote_identify: attached device identification
  284. * @rphy: sas transport rphy object
  285. * @port: sas transport wide/narrow port object
  286. * @phy_list: _sas_phy list objects belonging to this port
  287. */
  288. struct _sas_port {
  289. struct list_head port_list;
  290. u16 handle;
  291. u64 sas_address;
  292. u8 num_phys;
  293. struct sas_identify remote_identify;
  294. struct sas_rphy *rphy;
  295. struct sas_port *port;
  296. struct list_head phy_list;
  297. };
  298. /**
  299. * struct _sas_phy - phy information
  300. * @port_siblings: list of phys belonging to a port
  301. * @identify: phy identification
  302. * @remote_identify: attached device identification
  303. * @phy: sas transport phy object
  304. * @phy_id: unique phy id
  305. * @handle: device handle for this phy
  306. * @attached_handle: device handle for attached device
  307. */
  308. struct _sas_phy {
  309. struct list_head port_siblings;
  310. struct sas_identify identify;
  311. struct sas_identify remote_identify;
  312. struct sas_phy *phy;
  313. u8 phy_id;
  314. u16 handle;
  315. u16 attached_handle;
  316. };
  317. /**
  318. * struct _sas_node - sas_host/expander information
  319. * @list: list of expanders
  320. * @parent_dev: parent device class
  321. * @num_phys: number phys belonging to this sas_host/expander
  322. * @sas_address: sas address of this sas_host/expander
  323. * @handle: handle for this sas_host/expander
  324. * @parent_handle: parent handle
  325. * @enclosure_handle: handle for this a member of an enclosure
  326. * @device_info: bitwise defining capabilities of this sas_host/expander
  327. * @responding: used in _scsih_expander_device_mark_responding
  328. * @phy: a list of phys that make up this sas_host/expander
  329. * @sas_port_list: list of ports attached to this sas_host/expander
  330. */
  331. struct _sas_node {
  332. struct list_head list;
  333. struct device *parent_dev;
  334. u8 num_phys;
  335. u64 sas_address;
  336. u16 handle;
  337. u16 parent_handle;
  338. u16 enclosure_handle;
  339. u64 enclosure_logical_id;
  340. u8 responding;
  341. struct _sas_phy *phy;
  342. struct list_head sas_port_list;
  343. };
  344. /**
  345. * enum reset_type - reset state
  346. * @FORCE_BIG_HAMMER: issue diagnostic reset
  347. * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
  348. */
  349. enum reset_type {
  350. FORCE_BIG_HAMMER,
  351. SOFT_RESET,
  352. };
  353. /**
  354. * struct request_tracker - firmware request tracker
  355. * @smid: system message id
  356. * @scmd: scsi request pointer
  357. * @cb_idx: callback index
  358. * @chain_list: list of chains associated to this IO
  359. * @tracker_list: list of free request (ioc->free_list)
  360. */
  361. struct request_tracker {
  362. u16 smid;
  363. struct scsi_cmnd *scmd;
  364. u8 cb_idx;
  365. struct list_head tracker_list;
  366. };
  367. typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
  368. /**
  369. * struct MPT2SAS_ADAPTER - per adapter struct
  370. * @list: ioc_list
  371. * @shost: shost object
  372. * @id: unique adapter id
  373. * @pci_irq: irq number
  374. * @name: generic ioc string
  375. * @tmp_string: tmp string used for logging
  376. * @pdev: pci pdev object
  377. * @chip: memory mapped register space
  378. * @chip_phys: physical addrss prior to mapping
  379. * @pio_chip: I/O mapped register space
  380. * @logging_level: see mpt2sas_debug.h
  381. * @ir_firmware: IR firmware present
  382. * @bars: bitmask of BAR's that must be configured
  383. * @mask_interrupts: ignore interrupt
  384. * @fault_reset_work_q_name: fw fault work queue
  385. * @fault_reset_work_q: ""
  386. * @fault_reset_work: ""
  387. * @firmware_event_name: fw event work queue
  388. * @firmware_event_thread: ""
  389. * @fw_events_off: flag to turn off fw event handling
  390. * @fw_event_lock:
  391. * @fw_event_list: list of fw events
  392. * @aen_event_read_flag: event log was read
  393. * @broadcast_aen_busy: broadcast aen waiting to be serviced
  394. * @ioc_reset_in_progress: host reset in progress
  395. * @ioc_reset_in_progress_lock:
  396. * @ioc_link_reset_in_progress: phy/hard reset in progress
  397. * @ignore_loginfos: ignore loginfos during task managment
  398. * @remove_host: flag for when driver unloads, to avoid sending dev resets
  399. * @wait_for_port_enable_to_complete:
  400. * @msix_enable: flag indicating msix is enabled
  401. * @msix_vector_count: number msix vectors
  402. * @msix_table: virt address to the msix table
  403. * @msix_table_backup: backup msix table
  404. * @scsi_io_cb_idx: shost generated commands
  405. * @tm_cb_idx: task management commands
  406. * @transport_cb_idx: transport internal commands
  407. * @ctl_cb_idx: clt internal commands
  408. * @base_cb_idx: base internal commands
  409. * @config_cb_idx: base internal commands
  410. * @base_cmds:
  411. * @transport_cmds:
  412. * @tm_cmds:
  413. * @ctl_cmds:
  414. * @config_cmds:
  415. * @base_add_sg_single: handler for either 32/64 bit sgl's
  416. * @event_type: bits indicating which events to log
  417. * @event_context: unique id for each logged event
  418. * @event_log: event log pointer
  419. * @event_masks: events that are masked
  420. * @facts: static facts data
  421. * @pfacts: static port facts data
  422. * @manu_pg0: static manufacturing page 0
  423. * @bios_pg2: static bios page 2
  424. * @bios_pg3: static bios page 3
  425. * @ioc_pg8: static ioc page 8
  426. * @iounit_pg0: static iounit page 0
  427. * @iounit_pg1: static iounit page 1
  428. * @sas_hba: sas host object
  429. * @sas_expander_list: expander object list
  430. * @sas_node_lock:
  431. * @sas_device_list: sas device object list
  432. * @sas_device_init_list: sas device object list (used only at init time)
  433. * @sas_device_lock:
  434. * @io_missing_delay: time for IO completed by fw when PDR enabled
  435. * @device_missing_delay: time for device missing by fw when PDR enabled
  436. * @config_page_sz: config page size
  437. * @config_page: reserve memory for config page payload
  438. * @config_page_dma:
  439. * @sge_size: sg element size for either 32/64 bit
  440. * @request_depth: hba request queue depth
  441. * @request_sz: per request frame size
  442. * @request: pool of request frames
  443. * @request_dma:
  444. * @request_dma_sz:
  445. * @scsi_lookup: firmware request tracker list
  446. * @scsi_lookup_lock:
  447. * @free_list: free list of request
  448. * @chain: pool of chains
  449. * @pending_io_count:
  450. * @reset_wq:
  451. * @chain_dma:
  452. * @max_sges_in_main_message: number sg elements in main message
  453. * @max_sges_in_chain_message: number sg elements per chain
  454. * @chains_needed_per_io: max chains per io
  455. * @chain_offset_value_for_main_message: location 1st sg in main
  456. * @chain_depth: total chains allocated
  457. * @sense: pool of sense
  458. * @sense_dma:
  459. * @sense_dma_pool:
  460. * @reply_depth: hba reply queue depth:
  461. * @reply_sz: per reply frame size:
  462. * @reply: pool of replys:
  463. * @reply_dma:
  464. * @reply_dma_pool:
  465. * @reply_free_queue_depth: reply free depth
  466. * @reply_free: pool for reply free queue (32 bit addr)
  467. * @reply_free_dma:
  468. * @reply_free_dma_pool:
  469. * @reply_free_host_index: tail index in pool to insert free replys
  470. * @reply_post_queue_depth: reply post queue depth
  471. * @reply_post_free: pool for reply post (64bit descriptor)
  472. * @reply_post_free_dma:
  473. * @reply_post_free_dma_pool:
  474. * @reply_post_host_index: head index in the pool where FW completes IO
  475. */
  476. struct MPT2SAS_ADAPTER {
  477. struct list_head list;
  478. struct Scsi_Host *shost;
  479. u8 id;
  480. u32 pci_irq;
  481. char name[MPT_NAME_LENGTH];
  482. char tmp_string[MPT_STRING_LENGTH];
  483. struct pci_dev *pdev;
  484. Mpi2SystemInterfaceRegs_t __iomem *chip;
  485. unsigned long chip_phys;
  486. unsigned long pio_chip;
  487. int logging_level;
  488. u8 ir_firmware;
  489. int bars;
  490. u8 mask_interrupts;
  491. /* fw fault handler */
  492. char fault_reset_work_q_name[20];
  493. struct workqueue_struct *fault_reset_work_q;
  494. struct delayed_work fault_reset_work;
  495. /* fw event handler */
  496. char firmware_event_name[20];
  497. struct workqueue_struct *firmware_event_thread;
  498. u8 fw_events_off;
  499. spinlock_t fw_event_lock;
  500. struct list_head fw_event_list;
  501. /* misc flags */
  502. int aen_event_read_flag;
  503. u8 broadcast_aen_busy;
  504. u8 ioc_reset_in_progress;
  505. u8 shost_recovery;
  506. spinlock_t ioc_reset_in_progress_lock;
  507. u8 ioc_link_reset_in_progress;
  508. u8 ignore_loginfos;
  509. u8 remove_host;
  510. u8 wait_for_port_enable_to_complete;
  511. u8 msix_enable;
  512. u16 msix_vector_count;
  513. u32 *msix_table;
  514. u32 *msix_table_backup;
  515. /* internal commands, callback index */
  516. u8 scsi_io_cb_idx;
  517. u8 tm_cb_idx;
  518. u8 transport_cb_idx;
  519. u8 ctl_cb_idx;
  520. u8 base_cb_idx;
  521. u8 config_cb_idx;
  522. struct _internal_cmd base_cmds;
  523. struct _internal_cmd transport_cmds;
  524. struct _internal_cmd tm_cmds;
  525. struct _internal_cmd ctl_cmds;
  526. struct _internal_cmd config_cmds;
  527. MPT_ADD_SGE base_add_sg_single;
  528. /* event log */
  529. u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
  530. u32 event_context;
  531. void *event_log;
  532. u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
  533. /* static config pages */
  534. Mpi2IOCFactsReply_t facts;
  535. Mpi2PortFactsReply_t *pfacts;
  536. Mpi2ManufacturingPage0_t manu_pg0;
  537. Mpi2BiosPage2_t bios_pg2;
  538. Mpi2BiosPage3_t bios_pg3;
  539. Mpi2IOCPage8_t ioc_pg8;
  540. Mpi2IOUnitPage0_t iounit_pg0;
  541. Mpi2IOUnitPage1_t iounit_pg1;
  542. struct _boot_device req_boot_device;
  543. struct _boot_device req_alt_boot_device;
  544. struct _boot_device current_boot_device;
  545. /* sas hba, expander, and device list */
  546. struct _sas_node sas_hba;
  547. struct list_head sas_expander_list;
  548. spinlock_t sas_node_lock;
  549. struct list_head sas_device_list;
  550. struct list_head sas_device_init_list;
  551. spinlock_t sas_device_lock;
  552. struct list_head raid_device_list;
  553. spinlock_t raid_device_lock;
  554. u8 io_missing_delay;
  555. u16 device_missing_delay;
  556. int sas_id;
  557. /* config page */
  558. u16 config_page_sz;
  559. void *config_page;
  560. dma_addr_t config_page_dma;
  561. /* request */
  562. u16 sge_size;
  563. u16 request_depth;
  564. u16 request_sz;
  565. u8 *request;
  566. dma_addr_t request_dma;
  567. u32 request_dma_sz;
  568. struct request_tracker *scsi_lookup;
  569. spinlock_t scsi_lookup_lock;
  570. struct list_head free_list;
  571. int pending_io_count;
  572. wait_queue_head_t reset_wq;
  573. /* chain */
  574. u8 *chain;
  575. dma_addr_t chain_dma;
  576. u16 max_sges_in_main_message;
  577. u16 max_sges_in_chain_message;
  578. u16 chains_needed_per_io;
  579. u16 chain_offset_value_for_main_message;
  580. u16 chain_depth;
  581. /* sense */
  582. u8 *sense;
  583. dma_addr_t sense_dma;
  584. struct dma_pool *sense_dma_pool;
  585. /* reply */
  586. u16 reply_sz;
  587. u8 *reply;
  588. dma_addr_t reply_dma;
  589. struct dma_pool *reply_dma_pool;
  590. /* reply free queue */
  591. u16 reply_free_queue_depth;
  592. u32 *reply_free;
  593. dma_addr_t reply_free_dma;
  594. struct dma_pool *reply_free_dma_pool;
  595. u32 reply_free_host_index;
  596. /* reply post queue */
  597. u16 reply_post_queue_depth;
  598. Mpi2ReplyDescriptorsUnion_t *reply_post_free;
  599. dma_addr_t reply_post_free_dma;
  600. struct dma_pool *reply_post_free_dma_pool;
  601. u32 reply_post_host_index;
  602. /* diag buffer support */
  603. u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
  604. u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
  605. dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
  606. u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
  607. u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
  608. u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
  609. u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
  610. };
  611. typedef void (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID,
  612. u32 reply);
  613. /* base shared API */
  614. extern struct list_head mpt2sas_ioc_list;
  615. int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
  616. void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
  617. int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
  618. void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
  619. int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
  620. enum reset_type type);
  621. void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
  622. void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
  623. void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
  624. dma_addr_t mpt2sas_base_get_msg_frame_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid);
  625. dma_addr_t mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid);
  626. u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
  627. void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
  628. void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id,
  629. u16 handle);
  630. void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id);
  631. void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
  632. u8 vf_id, u16 io_index);
  633. void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id);
  634. void mpt2sas_base_initialize_callback_handler(void);
  635. u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
  636. void mpt2sas_base_release_callback_handler(u8 cb_idx);
  637. void mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
  638. void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
  639. u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
  640. void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
  641. int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
  642. Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
  643. *mpi_request);
  644. int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
  645. Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
  646. void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
  647. /* scsih shared API */
  648. void mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
  649. u8 type, u16 smid_task, ulong timeout);
  650. void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
  651. void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
  652. struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
  653. u16 handle);
  654. struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
  655. *ioc, u64 sas_address);
  656. struct _sas_device *mpt2sas_scsih_sas_device_find_by_sas_address(
  657. struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
  658. void mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, u32 reply);
  659. void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
  660. /* config shared API */
  661. void mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
  662. int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
  663. int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
  664. Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
  665. int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  666. *mpi_reply, Mpi2BiosPage2_t *config_page);
  667. int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  668. *mpi_reply, Mpi2BiosPage3_t *config_page);
  669. int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  670. *mpi_reply, Mpi2IOUnitPage0_t *config_page);
  671. int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  672. *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
  673. int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  674. *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
  675. int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  676. *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
  677. int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  678. *mpi_reply, Mpi2IOUnitPage1_t *config_page);
  679. int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  680. *mpi_reply, Mpi2IOUnitPage1_t config_page);
  681. int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  682. *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
  683. int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  684. *mpi_reply, Mpi2IOCPage8_t *config_page);
  685. int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  686. *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
  687. int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  688. *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
  689. int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  690. *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
  691. int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  692. *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
  693. int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  694. *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
  695. int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  696. *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
  697. int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
  698. int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  699. *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
  700. int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
  701. *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
  702. u32 form_specific);
  703. int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
  704. u16 *volume_handle);
  705. int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
  706. u64 *wwid);
  707. /* ctl shared API */
  708. extern struct device_attribute *mpt2sas_host_attrs[];
  709. extern struct device_attribute *mpt2sas_dev_attrs[];
  710. void mpt2sas_ctl_init(void);
  711. void mpt2sas_ctl_exit(void);
  712. void mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
  713. void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
  714. void mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, u32 reply);
  715. void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
  716. Mpi2EventNotificationReply_t *mpi_reply);
  717. /* transport shared API */
  718. void mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
  719. struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
  720. u16 handle, u16 parent_handle);
  721. void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
  722. u16 parent_handle);
  723. int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
  724. *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
  725. int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
  726. *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
  727. void mpt2sas_transport_update_phy_link_change(struct MPT2SAS_ADAPTER *ioc, u16 handle,
  728. u16 attached_handle, u8 phy_number, u8 link_rate);
  729. extern struct sas_function_template mpt2sas_transport_functions;
  730. extern struct scsi_transport_template *mpt2sas_transport_template;
  731. #endif /* MPT2SAS_BASE_H_INCLUDED */