Linux 2.6.33-rc6
[cris-mirror.git] / drivers / message / fusion / mptbase.h
blobb4948671eb922531877956ca1e4370229a5937d4
1 /*
2 * linux/drivers/message/fusion/mptbase.h
3 * High performance SCSI + LAN / Fibre Channel device drivers.
4 * For use with PCI chip/adapter(s):
5 * LSIFC9xx/LSI409xx Fibre Channel
6 * running LSI Fusion MPT (Message Passing Technology) firmware.
8 * Copyright (c) 1999-2008 LSI Corporation
9 * (mailto:DL-MPTFusionLinux@lsi.com)
12 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; version 2 of the License.
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
23 NO WARRANTY
24 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
25 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
26 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
27 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
28 solely responsible for determining the appropriateness of using and
29 distributing the Program and assumes all risks associated with its
30 exercise of rights under this Agreement, including but not limited to
31 the risks and costs of program errors, damage to or loss of data,
32 programs or equipment, and unavailability or interruption of operations.
34 DISCLAIMER OF LIABILITY
35 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
36 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
38 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
39 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
40 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
41 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
43 You should have received a copy of the GNU General Public License
44 along with this program; if not, write to the Free Software
45 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
48 #ifndef MPTBASE_H_INCLUDED
49 #define MPTBASE_H_INCLUDED
50 /*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
52 #include <linux/kernel.h>
53 #include <linux/pci.h>
54 #include <linux/mutex.h>
56 #include "lsi/mpi_type.h"
57 #include "lsi/mpi.h" /* Fusion MPI(nterface) basic defs */
58 #include "lsi/mpi_ioc.h" /* Fusion MPT IOC(ontroller) defs */
59 #include "lsi/mpi_cnfg.h" /* IOC configuration support */
60 #include "lsi/mpi_init.h" /* SCSI Host (initiator) protocol support */
61 #include "lsi/mpi_lan.h" /* LAN over FC protocol support */
62 #include "lsi/mpi_raid.h" /* Integrated Mirroring support */
64 #include "lsi/mpi_fc.h" /* Fibre Channel (lowlevel) support */
65 #include "lsi/mpi_targ.h" /* SCSI/FCP Target protcol support */
66 #include "lsi/mpi_tool.h" /* Tools support */
67 #include "lsi/mpi_sas.h" /* SAS support */
69 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
71 #ifndef MODULEAUTHOR
72 #define MODULEAUTHOR "LSI Corporation"
73 #endif
75 #ifndef COPYRIGHT
76 #define COPYRIGHT "Copyright (c) 1999-2008 " MODULEAUTHOR
77 #endif
79 #define MPT_LINUX_VERSION_COMMON "3.04.13"
80 #define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.04.13"
81 #define WHAT_MAGIC_STRING "@" "(" "#" ")"
83 #define show_mptmod_ver(s,ver) \
84 printk(KERN_INFO "%s %s\n", s, ver);
86 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
88 * Fusion MPT(linux) driver configurable stuff...
90 #define MPT_MAX_ADAPTERS 18
91 #define MPT_MAX_PROTOCOL_DRIVERS 16
92 #define MPT_MAX_BUS 1 /* Do not change */
93 #define MPT_MAX_FC_DEVICES 255
94 #define MPT_MAX_SCSI_DEVICES 16
95 #define MPT_LAST_LUN 255
96 #define MPT_SENSE_BUFFER_ALLOC 64
97 /* allow for 256 max sense alloc, but only 255 max request */
98 #if MPT_SENSE_BUFFER_ALLOC >= 256
99 # undef MPT_SENSE_BUFFER_ALLOC
100 # define MPT_SENSE_BUFFER_ALLOC 256
101 # define MPT_SENSE_BUFFER_SIZE 255
102 #else
103 # define MPT_SENSE_BUFFER_SIZE MPT_SENSE_BUFFER_ALLOC
104 #endif
106 #define MPT_NAME_LENGTH 32
107 #define MPT_KOBJ_NAME_LEN 20
109 #define MPT_PROCFS_MPTBASEDIR "mpt"
110 /* chg it to "driver/fusion" ? */
111 #define MPT_PROCFS_SUMMARY_ALL_NODE MPT_PROCFS_MPTBASEDIR "/summary"
112 #define MPT_PROCFS_SUMMARY_ALL_PATHNAME "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
113 #define MPT_FW_REV_MAGIC_ID_STRING "FwRev="
115 #define MPT_MAX_REQ_DEPTH 1023
116 #define MPT_DEFAULT_REQ_DEPTH 256
117 #define MPT_MIN_REQ_DEPTH 128
119 #define MPT_MAX_REPLY_DEPTH MPT_MAX_REQ_DEPTH
120 #define MPT_DEFAULT_REPLY_DEPTH 128
121 #define MPT_MIN_REPLY_DEPTH 8
122 #define MPT_MAX_REPLIES_PER_ISR 32
124 #define MPT_MAX_FRAME_SIZE 128
125 #define MPT_DEFAULT_FRAME_SIZE 128
127 #define MPT_REPLY_FRAME_SIZE 0x50 /* Must be a multiple of 8 */
129 #define MPT_SG_REQ_128_SCALE 1
130 #define MPT_SG_REQ_96_SCALE 2
131 #define MPT_SG_REQ_64_SCALE 4
133 #define CAN_SLEEP 1
134 #define NO_SLEEP 0
136 #define MPT_COALESCING_TIMEOUT 0x10
140 * SCSI transfer rate defines.
142 #define MPT_ULTRA320 0x08
143 #define MPT_ULTRA160 0x09
144 #define MPT_ULTRA2 0x0A
145 #define MPT_ULTRA 0x0C
146 #define MPT_FAST 0x19
147 #define MPT_SCSI 0x32
148 #define MPT_ASYNC 0xFF
150 #define MPT_NARROW 0
151 #define MPT_WIDE 1
153 #define C0_1030 0x08
154 #define XL_929 0x01
158 * Try to keep these at 2^N-1
160 #define MPT_FC_CAN_QUEUE 1024
161 #define MPT_SCSI_CAN_QUEUE 127
162 #define MPT_SAS_CAN_QUEUE 127
165 * Set the MAX_SGE value based on user input.
167 #ifdef CONFIG_FUSION_MAX_SGE
168 #if CONFIG_FUSION_MAX_SGE < 16
169 #define MPT_SCSI_SG_DEPTH 16
170 #elif CONFIG_FUSION_MAX_SGE > 128
171 #define MPT_SCSI_SG_DEPTH 128
172 #else
173 #define MPT_SCSI_SG_DEPTH CONFIG_FUSION_MAX_SGE
174 #endif
175 #else
176 #define MPT_SCSI_SG_DEPTH 40
177 #endif
179 #ifdef CONFIG_FUSION_MAX_FC_SGE
180 #if CONFIG_FUSION_MAX_FC_SGE < 16
181 #define MPT_SCSI_FC_SG_DEPTH 16
182 #elif CONFIG_FUSION_MAX_FC_SGE > 256
183 #define MPT_SCSI_FC_SG_DEPTH 256
184 #else
185 #define MPT_SCSI_FC_SG_DEPTH CONFIG_FUSION_MAX_FC_SGE
186 #endif
187 #else
188 #define MPT_SCSI_FC_SG_DEPTH 40
189 #endif
191 /* debug print string length used for events and iocstatus */
192 # define EVENT_DESCR_STR_SZ 100
194 #define MPT_POLLING_INTERVAL 1000 /* in milliseconds */
196 #ifdef __KERNEL__ /* { */
197 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
199 #include <linux/proc_fs.h>
201 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
203 * Attempt semi-consistent error & warning msgs across
204 * MPT drivers. NOTE: Users of these macro defs must
205 * themselves define their own MYNAM.
207 #define MYIOC_s_FMT MYNAM ": %s: "
208 #define MYIOC_s_DEBUG_FMT KERN_DEBUG MYNAM ": %s: "
209 #define MYIOC_s_INFO_FMT KERN_INFO MYNAM ": %s: "
210 #define MYIOC_s_NOTE_FMT KERN_NOTICE MYNAM ": %s: "
211 #define MYIOC_s_WARN_FMT KERN_WARNING MYNAM ": %s: WARNING - "
212 #define MYIOC_s_ERR_FMT KERN_ERR MYNAM ": %s: ERROR - "
214 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
216 * ATTO UL4D associated structures and defines
218 #define ATTOFLAG_DISC 0x0001
219 #define ATTOFLAG_TAGGED 0x0002
220 #define ATTOFLAG_WIDE_ENB 0x0008
221 #define ATTOFLAG_ID_ENB 0x0010
222 #define ATTOFLAG_LUN_ENB 0x0060
224 typedef struct _ATTO_DEVICE_INFO
226 u8 Offset; /* 00h */
227 u8 Period; /* 01h */
228 u16 ATTOFlags; /* 02h */
229 } ATTO_DEVICE_INFO, MPI_POINTER PTR_ATTO_DEVICE_INFO,
230 ATTODeviceInfo_t, MPI_POINTER pATTODeviceInfo_t;
232 typedef struct _ATTO_CONFIG_PAGE_SCSI_PORT_2
234 CONFIG_PAGE_HEADER Header; /* 00h */
235 u16 PortFlags; /* 04h */
236 u16 Unused1; /* 06h */
237 u32 Unused2; /* 08h */
238 ATTO_DEVICE_INFO DeviceSettings[16]; /* 0Ch */
239 } fATTO_CONFIG_PAGE_SCSI_PORT_2, MPI_POINTER PTR_ATTO_CONFIG_PAGE_SCSI_PORT_2,
240 ATTO_SCSIPortPage2_t, MPI_POINTER pATTO_SCSIPortPage2_t;
243 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
245 * MPT protocol driver defs...
247 typedef enum {
248 MPTBASE_DRIVER, /* MPT base class */
249 MPTCTL_DRIVER, /* MPT ioctl class */
250 MPTSPI_DRIVER, /* MPT SPI host class */
251 MPTFC_DRIVER, /* MPT FC host class */
252 MPTSAS_DRIVER, /* MPT SAS host class */
253 MPTLAN_DRIVER, /* MPT LAN class */
254 MPTSTM_DRIVER, /* MPT SCSI target mode class */
255 MPTUNKNOWN_DRIVER
256 } MPT_DRIVER_CLASS;
258 struct mpt_pci_driver{
259 int (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
260 void (*remove) (struct pci_dev *dev);
264 * MPT adapter / port / bus / device info structures...
267 typedef union _MPT_FRAME_TRACKER {
268 struct {
269 struct list_head list;
270 u32 arg1;
271 u32 pad;
272 void *argp1;
273 } linkage;
275 * NOTE: When request frames are free, on the linkage structure
276 * contets are valid. All other values are invalid.
277 * In particular, do NOT reply on offset [2]
278 * (in words) being the * message context.
279 * The message context must be reset (computed via base address
280 * + an offset) prior to issuing any command.
282 * NOTE2: On non-32-bit systems, where pointers are LARGE,
283 * using the linkage pointers destroys our sacred MsgContext
284 * field contents. But we don't care anymore because these
285 * are now reset in mpt_put_msg_frame() just prior to sending
286 * a request off to the IOC.
288 struct {
289 u32 __hdr[2];
291 * The following _MUST_ match the location of the
292 * MsgContext field in the MPT message headers.
294 union {
295 u32 MsgContext;
296 struct {
297 u16 req_idx; /* Request index */
298 u8 cb_idx; /* callback function index */
299 u8 rsvd;
300 } fld;
301 } msgctxu;
302 } hwhdr;
304 * Remark: 32 bit identifier:
305 * 31-24: reserved
306 * 23-16: call back index
307 * 15-0 : request index
309 } MPT_FRAME_TRACKER;
312 * We might want to view/access a frame as:
313 * 1) generic request header
314 * 2) SCSIIORequest
315 * 3) SCSIIOReply
316 * 4) MPIDefaultReply
317 * 5) frame tracker
319 typedef struct _MPT_FRAME_HDR {
320 union {
321 MPIHeader_t hdr;
322 SCSIIORequest_t scsireq;
323 SCSIIOReply_t sreply;
324 ConfigReply_t configreply;
325 MPIDefaultReply_t reply;
326 MPT_FRAME_TRACKER frame;
327 } u;
328 } MPT_FRAME_HDR;
330 #define MPT_REQ_MSGFLAGS_DROPME 0x80
332 typedef struct _MPT_SGL_HDR {
333 SGESimple32_t sge[1];
334 } MPT_SGL_HDR;
336 typedef struct _MPT_SGL64_HDR {
337 SGESimple64_t sge[1];
338 } MPT_SGL64_HDR;
341 * System interface register set
344 typedef struct _SYSIF_REGS
346 u32 Doorbell; /* 00 System<->IOC Doorbell reg */
347 u32 WriteSequence; /* 04 Write Sequence register */
348 u32 Diagnostic; /* 08 Diagnostic register */
349 u32 TestBase; /* 0C Test Base Address */
350 u32 DiagRwData; /* 10 Read Write Data (fw download) */
351 u32 DiagRwAddress; /* 14 Read Write Address (fw download)*/
352 u32 Reserved1[6]; /* 18-2F reserved for future use */
353 u32 IntStatus; /* 30 Interrupt Status */
354 u32 IntMask; /* 34 Interrupt Mask */
355 u32 Reserved2[2]; /* 38-3F reserved for future use */
356 u32 RequestFifo; /* 40 Request Post/Free FIFO */
357 u32 ReplyFifo; /* 44 Reply Post/Free FIFO */
358 u32 RequestHiPriFifo; /* 48 Hi Priority Request FIFO */
359 u32 Reserved3; /* 4C-4F reserved for future use */
360 u32 HostIndex; /* 50 Host Index register */
361 u32 Reserved4[15]; /* 54-8F */
362 u32 Fubar; /* 90 For Fubar usage */
363 u32 Reserved5[1050];/* 94-10F8 */
364 u32 Reset_1078; /* 10FC Reset 1078 */
365 } SYSIF_REGS;
368 * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
369 * in conjunction with SYSIF_REGS accesses!
374 * Dynamic Multi-Pathing specific stuff...
377 /* VirtTarget negoFlags field */
378 #define MPT_TARGET_NO_NEGO_WIDE 0x01
379 #define MPT_TARGET_NO_NEGO_SYNC 0x02
380 #define MPT_TARGET_NO_NEGO_QAS 0x04
381 #define MPT_TAPE_NEGO_IDP 0x08
384 * VirtDevice - FC LUN device or SCSI target device
386 typedef struct _VirtTarget {
387 struct scsi_target *starget;
388 u8 tflags;
389 u8 ioc_id;
390 u8 id;
391 u8 channel;
392 u8 minSyncFactor; /* 0xFF is async */
393 u8 maxOffset; /* 0 if async */
394 u8 maxWidth; /* 0 if narrow, 1 if wide */
395 u8 negoFlags; /* bit field, see above */
396 u8 raidVolume; /* set, if RAID Volume */
397 u8 type; /* byte 0 of Inquiry data */
398 u8 deleted; /* target in process of being removed */
399 u32 num_luns;
400 } VirtTarget;
402 typedef struct _VirtDevice {
403 VirtTarget *vtarget;
404 u8 configured_lun;
405 int lun;
406 } VirtDevice;
409 * Fibre Channel (SCSI) target device and associated defines...
411 #define MPT_TARGET_DEFAULT_DV_STATUS 0x00
412 #define MPT_TARGET_FLAGS_VALID_NEGO 0x01
413 #define MPT_TARGET_FLAGS_VALID_INQUIRY 0x02
414 #define MPT_TARGET_FLAGS_Q_YES 0x08
415 #define MPT_TARGET_FLAGS_VALID_56 0x10
416 #define MPT_TARGET_FLAGS_SAF_TE_ISSUED 0x20
417 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
418 #define MPT_TARGET_FLAGS_LED_ON 0x80
421 * /proc/mpt interface
423 typedef struct {
424 const char *name;
425 mode_t mode;
426 int pad;
427 read_proc_t *read_proc;
428 write_proc_t *write_proc;
429 } mpt_proc_entry_t;
431 #define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
432 do { \
433 len -= offset; \
434 if (len < request) { \
435 *eof = 1; \
436 if (len <= 0) \
437 return 0; \
438 } else \
439 len = request; \
440 *start = buf + offset; \
441 return len; \
442 } while (0)
446 * IOCTL structure and associated defines
449 #define MPTCTL_RESET_OK 0x01 /* Issue Bus Reset */
451 #define MPT_MGMT_STATUS_RF_VALID 0x01 /* The Reply Frame is VALID */
452 #define MPT_MGMT_STATUS_COMMAND_GOOD 0x02 /* Command Status GOOD */
453 #define MPT_MGMT_STATUS_PENDING 0x04 /* command is pending */
454 #define MPT_MGMT_STATUS_DID_IOCRESET 0x08 /* IOC Reset occurred
455 on the current*/
456 #define MPT_MGMT_STATUS_SENSE_VALID 0x10 /* valid sense info */
457 #define MPT_MGMT_STATUS_TIMER_ACTIVE 0x20 /* obsolete */
458 #define MPT_MGMT_STATUS_FREE_MF 0x40 /* free the mf from
459 complete routine */
461 #define INITIALIZE_MGMT_STATUS(status) \
462 status = MPT_MGMT_STATUS_PENDING;
463 #define CLEAR_MGMT_STATUS(status) \
464 status = 0;
465 #define CLEAR_MGMT_PENDING_STATUS(status) \
466 status &= ~MPT_MGMT_STATUS_PENDING;
467 #define SET_MGMT_MSG_CONTEXT(msg_context, value) \
468 msg_context = value;
470 typedef struct _MPT_MGMT {
471 struct mutex mutex;
472 struct completion done;
473 u8 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
474 u8 sense[MPT_SENSE_BUFFER_ALLOC];
475 u8 status; /* current command status */
476 int completion_code;
477 u32 msg_context;
478 } MPT_MGMT;
481 * Event Structure and define
483 #define MPTCTL_EVENT_LOG_SIZE (0x000000032)
484 typedef struct _mpt_ioctl_events {
485 u32 event; /* Specified by define above */
486 u32 eventContext; /* Index or counter */
487 u32 data[2]; /* First 8 bytes of Event Data */
488 } MPT_IOCTL_EVENTS;
491 * CONFIGPARM status defines
493 #define MPT_CONFIG_GOOD MPI_IOCSTATUS_SUCCESS
494 #define MPT_CONFIG_ERROR 0x002F
497 * Substructure to store SCSI specific configuration page data
499 /* dvStatus defines: */
500 #define MPT_SCSICFG_USE_NVRAM 0x01 /* WriteSDP1 using NVRAM */
501 #define MPT_SCSICFG_ALL_IDS 0x02 /* WriteSDP1 to all IDS */
502 /* #define MPT_SCSICFG_BLK_NEGO 0x10 WriteSDP1 with WDTR and SDTR disabled */
504 typedef struct _SpiCfgData {
505 u32 PortFlags;
506 int *nvram; /* table of device NVRAM values */
507 IOCPage4_t *pIocPg4; /* SEP devices addressing */
508 dma_addr_t IocPg4_dma; /* Phys Addr of IOCPage4 data */
509 int IocPg4Sz; /* IOCPage4 size */
510 u8 minSyncFactor; /* 0xFF if async */
511 u8 maxSyncOffset; /* 0 if async */
512 u8 maxBusWidth; /* 0 if narrow, 1 if wide */
513 u8 busType; /* SE, LVD, HD */
514 u8 sdp1version; /* SDP1 version */
515 u8 sdp1length; /* SDP1 length */
516 u8 sdp0version; /* SDP0 version */
517 u8 sdp0length; /* SDP0 length */
518 u8 dvScheduled; /* 1 if scheduled */
519 u8 noQas; /* Disable QAS for this adapter */
520 u8 Saf_Te; /* 1 to force all Processors as
521 * SAF-TE if Inquiry data length
522 * is too short to check for SAF-TE
524 u8 bus_reset; /* 1 to allow bus reset */
525 u8 rsvd[1];
526 }SpiCfgData;
528 typedef struct _SasCfgData {
529 u8 ptClear; /* 1 to automatically clear the
530 * persistent table.
531 * 0 to disable
532 * automatic clearing.
534 }SasCfgData;
537 * Inactive volume link list of raid component data
538 * @inactive_list
540 struct inactive_raid_component_info {
541 struct list_head list;
542 u8 volumeID; /* volume target id */
543 u8 volumeBus; /* volume channel */
544 IOC_3_PHYS_DISK d; /* phys disk info */
547 typedef struct _RaidCfgData {
548 IOCPage2_t *pIocPg2; /* table of Raid Volumes */
549 IOCPage3_t *pIocPg3; /* table of physical disks */
550 struct mutex inactive_list_mutex;
551 struct list_head inactive_list; /* link list for physical
552 disk that belong in
553 inactive volumes */
554 }RaidCfgData;
556 typedef struct _FcCfgData {
557 /* will ultimately hold fc_port_page0 also */
558 struct {
559 FCPortPage1_t *data;
560 dma_addr_t dma;
561 int pg_sz;
562 } fc_port_page1[2];
563 } FcCfgData;
565 #define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01 /* rport registered */
566 #define MPT_RPORT_INFO_FLAGS_MISSING 0x02 /* missing from DevPage0 scan */
569 * data allocated for each fc rport device
571 struct mptfc_rport_info
573 struct list_head list;
574 struct fc_rport *rport;
575 struct scsi_target *starget;
576 FCDevicePage0_t pg0;
577 u8 flags;
580 typedef void (*MPT_ADD_SGE)(void *pAddr, u32 flagslength, dma_addr_t dma_addr);
581 typedef void (*MPT_ADD_CHAIN)(void *pAddr, u8 next, u16 length,
582 dma_addr_t dma_addr);
585 * Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
587 typedef struct _MPT_ADAPTER
589 int id; /* Unique adapter id N {0,1,2,...} */
590 int pci_irq; /* This irq */
591 char name[MPT_NAME_LENGTH]; /* "iocN" */
592 char prod_name[MPT_NAME_LENGTH]; /* "LSIFC9x9" */
593 #ifdef CONFIG_FUSION_LOGGING
594 /* used in mpt_display_event_info */
595 char evStr[EVENT_DESCR_STR_SZ];
596 #endif
597 char board_name[16];
598 char board_assembly[16];
599 char board_tracer[16];
600 u16 nvdata_version_persistent;
601 u16 nvdata_version_default;
602 int debug_level;
603 u8 io_missing_delay;
604 u8 device_missing_delay;
605 SYSIF_REGS __iomem *chip; /* == c8817000 (mmap) */
606 SYSIF_REGS __iomem *pio_chip; /* Programmed IO (downloadboot) */
607 u8 bus_type;
608 u32 mem_phys; /* == f4020000 (mmap) */
609 u32 pio_mem_phys; /* Programmed IO (downloadboot) */
610 int mem_size; /* mmap memory size */
611 int number_of_buses;
612 int devices_per_bus;
613 int alloc_total;
614 u32 last_state;
615 int active;
616 u8 *alloc; /* frames alloc ptr */
617 dma_addr_t alloc_dma;
618 u32 alloc_sz;
619 MPT_FRAME_HDR *reply_frames; /* Reply msg frames - rounded up! */
620 u32 reply_frames_low_dma;
621 int reply_depth; /* Num Allocated reply frames */
622 int reply_sz; /* Reply frame size */
623 int num_chain; /* Number of chain buffers */
624 MPT_ADD_SGE add_sge; /* Pointer to add_sge
625 function */
626 MPT_ADD_CHAIN add_chain; /* Pointer to add_chain
627 function */
628 /* Pool of buffers for chaining. ReqToChain
629 * and ChainToChain track index of chain buffers.
630 * ChainBuffer (DMA) virt/phys addresses.
631 * FreeChainQ (lock) locking mechanisms.
633 int *ReqToChain;
634 int *RequestNB;
635 int *ChainToChain;
636 u8 *ChainBuffer;
637 dma_addr_t ChainBufferDMA;
638 struct list_head FreeChainQ;
639 spinlock_t FreeChainQlock;
640 /* We (host driver) get to manage our own RequestQueue! */
641 dma_addr_t req_frames_dma;
642 MPT_FRAME_HDR *req_frames; /* Request msg frames - rounded up! */
643 u32 req_frames_low_dma;
644 int req_depth; /* Number of request frames */
645 int req_sz; /* Request frame size (bytes) */
646 spinlock_t FreeQlock;
647 struct list_head FreeQ;
648 /* Pool of SCSI sense buffers for commands coming from
649 * the SCSI mid-layer. We have one 256 byte sense buffer
650 * for each REQ entry.
652 u8 *sense_buf_pool;
653 dma_addr_t sense_buf_pool_dma;
654 u32 sense_buf_low_dma;
655 u8 *HostPageBuffer; /* SAS - host page buffer support */
656 u32 HostPageBuffer_sz;
657 dma_addr_t HostPageBuffer_dma;
658 int mtrr_reg;
659 struct pci_dev *pcidev; /* struct pci_dev pointer */
660 int bars; /* bitmask of BAR's that must be configured */
661 int msi_enable;
662 u8 __iomem *memmap; /* mmap address */
663 struct Scsi_Host *sh; /* Scsi Host pointer */
664 SpiCfgData spi_data; /* Scsi config. data */
665 RaidCfgData raid_data; /* Raid config. data */
666 SasCfgData sas_data; /* Sas config. data */
667 FcCfgData fc_data; /* Fc config. data */
668 struct proc_dir_entry *ioc_dentry;
669 struct _MPT_ADAPTER *alt_ioc; /* ptr to 929 bound adapter port */
670 u32 biosVersion; /* BIOS version from IO Unit Page 2 */
671 int eventTypes; /* Event logging parameters */
672 int eventContext; /* Next event context */
673 int eventLogSize; /* Max number of cached events */
674 struct _mpt_ioctl_events *events; /* pointer to event log */
675 u8 *cached_fw; /* Pointer to FW */
676 dma_addr_t cached_fw_dma;
677 int hs_reply_idx;
678 #ifndef MFCNT
679 u32 pad0;
680 #else
681 u32 mfcnt;
682 #endif
683 u32 NB_for_64_byte_frame;
684 u32 hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
685 u16 hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
686 IOCFactsReply_t facts;
687 PortFactsReply_t pfacts[2];
688 FCPortPage0_t fc_port_page0[2];
689 LANPage0_t lan_cnfg_page0;
690 LANPage1_t lan_cnfg_page1;
692 u8 ir_firmware; /* =1 if IR firmware detected */
694 * Description: errata_flag_1064
695 * If a PCIX read occurs within 1 or 2 cycles after the chip receives
696 * a split completion for a read data, an internal address pointer incorrectly
697 * increments by 32 bytes
699 int errata_flag_1064;
700 int aen_event_read_flag; /* flag to indicate event log was read*/
701 u8 FirstWhoInit;
702 u8 upload_fw; /* If set, do a fw upload */
703 u8 NBShiftFactor; /* NB Shift Factor based on Block Size (Facts) */
704 u8 pad1[4];
705 u8 DoneCtx;
706 u8 TaskCtx;
707 u8 InternalCtx;
708 struct list_head list;
709 struct net_device *netdev;
710 struct list_head sas_topology;
711 struct mutex sas_topology_mutex;
713 struct workqueue_struct *fw_event_q;
714 struct list_head fw_event_list;
715 spinlock_t fw_event_lock;
716 u8 fw_events_off; /* if '1', then ignore events */
717 char fw_event_q_name[MPT_KOBJ_NAME_LEN];
719 struct mutex sas_discovery_mutex;
720 u8 sas_discovery_runtime;
721 u8 sas_discovery_ignore_events;
723 /* port_info object for the host */
724 struct mptsas_portinfo *hba_port_info;
725 u64 hba_port_sas_addr;
726 u16 hba_port_num_phy;
727 struct list_head sas_device_info_list;
728 struct mutex sas_device_info_mutex;
729 u8 old_sas_discovery_protocal;
730 u8 sas_discovery_quiesce_io;
731 int sas_index; /* index refrencing */
732 MPT_MGMT sas_mgmt;
733 MPT_MGMT mptbase_cmds; /* for sending config pages */
734 MPT_MGMT internal_cmds;
735 MPT_MGMT taskmgmt_cmds;
736 MPT_MGMT ioctl_cmds;
737 spinlock_t taskmgmt_lock; /* diagnostic reset lock */
738 int taskmgmt_in_progress;
739 u8 taskmgmt_quiesce_io;
740 u8 ioc_reset_in_progress;
741 struct work_struct sas_persist_task;
743 struct work_struct fc_setup_reset_work;
744 struct list_head fc_rports;
745 struct work_struct fc_lsc_work;
746 u8 fc_link_speed[2];
747 spinlock_t fc_rescan_work_lock;
748 struct work_struct fc_rescan_work;
749 char fc_rescan_work_q_name[MPT_KOBJ_NAME_LEN];
750 struct workqueue_struct *fc_rescan_work_q;
752 /* driver forced bus resets count */
753 unsigned long hard_resets;
754 /* fw/external bus resets count */
755 unsigned long soft_resets;
756 /* cmd timeouts */
757 unsigned long timeouts;
759 struct scsi_cmnd **ScsiLookup;
760 spinlock_t scsi_lookup_lock;
761 u64 dma_mask;
762 u32 broadcast_aen_busy;
763 char reset_work_q_name[MPT_KOBJ_NAME_LEN];
764 struct workqueue_struct *reset_work_q;
765 struct delayed_work fault_reset_work;
767 u8 sg_addr_size;
768 u8 in_rescan;
769 u8 SGE_size;
771 } MPT_ADAPTER;
774 * New return value convention:
775 * 1 = Ok to free associated request frame
776 * 0 = not Ok ...
778 typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
779 typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
780 typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
781 /* reset_phase defs */
782 #define MPT_IOC_PRE_RESET 0
783 #define MPT_IOC_POST_RESET 1
784 #define MPT_IOC_SETUP_RESET 2
787 * Invent MPT host event (super-set of MPI Events)
788 * Fitted to 1030's 64-byte [max] request frame size
790 typedef struct _MPT_HOST_EVENT {
791 EventNotificationReply_t MpiEvent; /* 8 32-bit words! */
792 u32 pad[6];
793 void *next;
794 } MPT_HOST_EVENT;
796 #define MPT_HOSTEVENT_IOC_BRINGUP 0x91
797 #define MPT_HOSTEVENT_IOC_RECOVER 0x92
799 /* Define the generic types based on the size
800 * of the dma_addr_t type.
802 typedef struct _mpt_sge {
803 u32 FlagsLength;
804 dma_addr_t Address;
805 } MptSge_t;
808 #define mpt_msg_flags(ioc) \
809 (ioc->sg_addr_size == sizeof(u64)) ? \
810 MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : \
811 MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32
813 #define MPT_SGE_FLAGS_64_BIT_ADDRESSING \
814 (MPI_SGE_FLAGS_64_BIT_ADDRESSING << MPI_SGE_FLAGS_SHIFT)
816 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
818 * Funky (private) macros...
820 #include "mptdebug.h"
822 #define MPT_INDEX_2_MFPTR(ioc,idx) \
823 (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
825 #define MFPTR_2_MPT_INDEX(ioc,mf) \
826 (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
828 #define MPT_INDEX_2_RFPTR(ioc,idx) \
829 (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
831 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
833 #define SCSI_STD_SENSE_BYTES 18
834 #define SCSI_STD_INQUIRY_BYTES 36
835 #define SCSI_MAX_INQUIRY_BYTES 96
838 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
839 * Private to the driver.
841 /* LOCAL structure and fields used when processing
842 * internally generated commands. These include:
843 * bus scan, dv and config requests.
845 typedef struct _MPT_LOCAL_REPLY {
846 ConfigPageHeader_t header;
847 int completion;
848 u8 sense[SCSI_STD_SENSE_BYTES];
849 u8 scsiStatus;
850 u8 skip;
851 u32 pad;
852 } MPT_LOCAL_REPLY;
854 #define MPT_HOST_BUS_UNKNOWN (0xFF)
855 #define MPT_HOST_TOO_MANY_TM (0x05)
856 #define MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
857 #define MPT_HOST_NO_CHAIN (0xFFFFFFFF)
858 #define MPT_NVRAM_MASK_TIMEOUT (0x000000FF)
859 #define MPT_NVRAM_SYNC_MASK (0x0000FF00)
860 #define MPT_NVRAM_SYNC_SHIFT (8)
861 #define MPT_NVRAM_DISCONNECT_ENABLE (0x00010000)
862 #define MPT_NVRAM_ID_SCAN_ENABLE (0x00020000)
863 #define MPT_NVRAM_LUN_SCAN_ENABLE (0x00040000)
864 #define MPT_NVRAM_TAG_QUEUE_ENABLE (0x00080000)
865 #define MPT_NVRAM_WIDE_DISABLE (0x00100000)
866 #define MPT_NVRAM_BOOT_CHOICE (0x00200000)
868 /* The TM_STATE variable is used to provide strict single threading of TM
869 * requests as well as communicate TM error conditions.
871 #define TM_STATE_NONE (0)
872 #define TM_STATE_IN_PROGRESS (1)
873 #define TM_STATE_ERROR (2)
875 typedef enum {
877 SPI,
879 } BUS_TYPE;
881 typedef struct _MPT_SCSI_HOST {
882 MPT_ADAPTER *ioc;
883 ushort sel_timeout[MPT_MAX_FC_DEVICES];
884 char *info_kbuf;
885 long last_queue_full;
886 u16 spi_pending;
887 struct list_head target_reset_list;
888 } MPT_SCSI_HOST;
890 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
892 * More Dynamic Multi-Pathing stuff...
895 /* Forward decl, a strange C thing, to prevent gcc compiler warnings */
896 struct scsi_cmnd;
898 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
900 * Generic structure passed to the base mpt_config function.
902 typedef struct _x_config_parms {
903 union {
904 ConfigExtendedPageHeader_t *ehdr;
905 ConfigPageHeader_t *hdr;
906 } cfghdr;
907 dma_addr_t physAddr;
908 u32 pageAddr; /* properly formatted */
909 u16 status;
910 u8 action;
911 u8 dir;
912 u8 timeout; /* seconds */
913 } CONFIGPARMS;
915 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
917 * Public entry points...
919 extern int mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
920 extern void mpt_detach(struct pci_dev *pdev);
921 #ifdef CONFIG_PM
922 extern int mpt_suspend(struct pci_dev *pdev, pm_message_t state);
923 extern int mpt_resume(struct pci_dev *pdev);
924 #endif
925 extern u8 mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
926 extern void mpt_deregister(u8 cb_idx);
927 extern int mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc);
928 extern void mpt_event_deregister(u8 cb_idx);
929 extern int mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func);
930 extern void mpt_reset_deregister(u8 cb_idx);
931 extern int mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx);
932 extern void mpt_device_driver_deregister(u8 cb_idx);
933 extern MPT_FRAME_HDR *mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc);
934 extern void mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
935 extern void mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
936 extern void mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
938 extern int mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
939 extern int mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
940 extern u32 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
941 extern void mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
942 extern int mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
943 extern int mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
944 extern int mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
945 extern void mpt_free_fw_memory(MPT_ADAPTER *ioc);
946 extern int mpt_findImVolumes(MPT_ADAPTER *ioc);
947 extern int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
948 extern int mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);
949 extern int mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num,
950 pRaidPhysDiskPage1_t phys_disk);
951 extern int mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc,
952 u8 phys_disk_num);
953 extern int mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
954 extern void mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
955 extern void mpt_halt_firmware(MPT_ADAPTER *ioc);
959 * Public data decl's...
961 extern struct list_head ioc_list;
962 extern int mpt_fwfault_debug;
964 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
965 #endif /* } __KERNEL__ */
967 #ifdef CONFIG_64BIT
968 #define CAST_U32_TO_PTR(x) ((void *)(u64)x)
969 #define CAST_PTR_TO_U32(x) ((u32)(u64)x)
970 #else
971 #define CAST_U32_TO_PTR(x) ((void *)x)
972 #define CAST_PTR_TO_U32(x) ((u32)x)
973 #endif
975 #define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
976 ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR) ? 'I' : 'i', \
977 ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET) ? 'T' : 't', \
978 ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN) ? 'L' : 'l', \
979 ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR) ? 'B' : 'b'
982 * Shifted SGE Defines - Use in SGE with FlagsLength member.
983 * Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
984 * Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
986 #define MPT_TRANSFER_IOC_TO_HOST (0x00000000)
987 #define MPT_TRANSFER_HOST_TO_IOC (0x04000000)
988 #define MPT_SGE_FLAGS_LAST_ELEMENT (0x80000000)
989 #define MPT_SGE_FLAGS_END_OF_BUFFER (0x40000000)
990 #define MPT_SGE_FLAGS_LOCAL_ADDRESS (0x08000000)
991 #define MPT_SGE_FLAGS_DIRECTION (0x04000000)
992 #define MPT_SGE_FLAGS_END_OF_LIST (0x01000000)
994 #define MPT_SGE_FLAGS_TRANSACTION_ELEMENT (0x00000000)
995 #define MPT_SGE_FLAGS_SIMPLE_ELEMENT (0x10000000)
996 #define MPT_SGE_FLAGS_CHAIN_ELEMENT (0x30000000)
997 #define MPT_SGE_FLAGS_ELEMENT_MASK (0x30000000)
999 #define MPT_SGE_FLAGS_SSIMPLE_READ \
1000 (MPT_SGE_FLAGS_LAST_ELEMENT | \
1001 MPT_SGE_FLAGS_END_OF_BUFFER | \
1002 MPT_SGE_FLAGS_END_OF_LIST | \
1003 MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1004 MPT_TRANSFER_IOC_TO_HOST)
1005 #define MPT_SGE_FLAGS_SSIMPLE_WRITE \
1006 (MPT_SGE_FLAGS_LAST_ELEMENT | \
1007 MPT_SGE_FLAGS_END_OF_BUFFER | \
1008 MPT_SGE_FLAGS_END_OF_LIST | \
1009 MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1010 MPT_TRANSFER_HOST_TO_IOC)
1012 /*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1013 #endif