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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.
7 *
8 * Copyright (c) 1999-2008 LSI Corporation
9 * (mailto:[email protected])
10 *
11 */
12/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
13/*
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.
17
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.
22
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.
33
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
42
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
46*/
47
48#ifndef MPTBASE_H_INCLUDED
49#define MPTBASE_H_INCLUDED
50/*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
51
52#include <linux/kernel.h>
53#include <linux/pci.h>
54#include <linux/mutex.h>
55
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 */
63
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 */
68
69/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
70
71#ifndef MODULEAUTHOR
72#define MODULEAUTHOR "LSI Corporation"
73#endif
74
75#ifndef COPYRIGHT
76#define COPYRIGHT "Copyright (c) 1999-2008 " MODULEAUTHOR
77#endif
78
79#define MPT_LINUX_VERSION_COMMON "3.04.20"
80#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.04.20"
81#define WHAT_MAGIC_STRING "@" "(" "#" ")"
82
83#define show_mptmod_ver(s,ver) \
84 printk(KERN_INFO "%s %s\n", s, ver);
85
86/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
87/*
88 * Fusion MPT(linux) driver configurable stuff...
89 */
90#define MPT_MAX_ADAPTERS 18
91#define MPT_MAX_PROTOCOL_DRIVERS 16
92#define MPT_MAX_CALLBACKNAME_LEN 49
93#define MPT_MAX_BUS 1 /* Do not change */
94#define MPT_MAX_FC_DEVICES 255
95#define MPT_MAX_SCSI_DEVICES 16
96#define MPT_LAST_LUN 255
97#define MPT_SENSE_BUFFER_ALLOC 64
98 /* allow for 256 max sense alloc, but only 255 max request */
99#if MPT_SENSE_BUFFER_ALLOC >= 256
100# undef MPT_SENSE_BUFFER_ALLOC
101# define MPT_SENSE_BUFFER_ALLOC 256
102# define MPT_SENSE_BUFFER_SIZE 255
103#else
104# define MPT_SENSE_BUFFER_SIZE MPT_SENSE_BUFFER_ALLOC
105#endif
106
107#define MPT_NAME_LENGTH 32
108#define MPT_KOBJ_NAME_LEN 20
109
110#define MPT_PROCFS_MPTBASEDIR "mpt"
111 /* chg it to "driver/fusion" ? */
112#define MPT_PROCFS_SUMMARY_ALL_NODE MPT_PROCFS_MPTBASEDIR "/summary"
113#define MPT_PROCFS_SUMMARY_ALL_PATHNAME "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
114#define MPT_FW_REV_MAGIC_ID_STRING "FwRev="
115
116#define MPT_MAX_REQ_DEPTH 1023
117#define MPT_DEFAULT_REQ_DEPTH 256
118#define MPT_MIN_REQ_DEPTH 128
119
120#define MPT_MAX_REPLY_DEPTH MPT_MAX_REQ_DEPTH
121#define MPT_DEFAULT_REPLY_DEPTH 128
122#define MPT_MIN_REPLY_DEPTH 8
123#define MPT_MAX_REPLIES_PER_ISR 32
124
125#define MPT_MAX_FRAME_SIZE 128
126#define MPT_DEFAULT_FRAME_SIZE 128
127
128#define MPT_REPLY_FRAME_SIZE 0x50 /* Must be a multiple of 8 */
129
130#define MPT_SG_REQ_128_SCALE 1
131#define MPT_SG_REQ_96_SCALE 2
132#define MPT_SG_REQ_64_SCALE 4
133
134#define CAN_SLEEP 1
135#define NO_SLEEP 0
136
137#define MPT_COALESCING_TIMEOUT 0x10
138
139
140/*
141 * SCSI transfer rate defines.
142 */
143#define MPT_ULTRA320 0x08
144#define MPT_ULTRA160 0x09
145#define MPT_ULTRA2 0x0A
146#define MPT_ULTRA 0x0C
147#define MPT_FAST 0x19
148#define MPT_SCSI 0x32
149#define MPT_ASYNC 0xFF
150
151#define MPT_NARROW 0
152#define MPT_WIDE 1
153
154#define C0_1030 0x08
155#define XL_929 0x01
156
157
158/*
159 * Try to keep these at 2^N-1
160 */
161#define MPT_FC_CAN_QUEUE 1024
162#define MPT_SCSI_CAN_QUEUE 127
163#define MPT_SAS_CAN_QUEUE 127
164
165/*
166 * Set the MAX_SGE value based on user input.
167 */
168#ifdef CONFIG_FUSION_MAX_SGE
169#if CONFIG_FUSION_MAX_SGE < 16
170#define MPT_SCSI_SG_DEPTH 16
171#elif CONFIG_FUSION_MAX_SGE > 128
172#define MPT_SCSI_SG_DEPTH 128
173#else
174#define MPT_SCSI_SG_DEPTH CONFIG_FUSION_MAX_SGE
175#endif
176#else
177#define MPT_SCSI_SG_DEPTH 40
178#endif
179
180#ifdef CONFIG_FUSION_MAX_FC_SGE
181#if CONFIG_FUSION_MAX_FC_SGE < 16
182#define MPT_SCSI_FC_SG_DEPTH 16
183#elif CONFIG_FUSION_MAX_FC_SGE > 256
184#define MPT_SCSI_FC_SG_DEPTH 256
185#else
186#define MPT_SCSI_FC_SG_DEPTH CONFIG_FUSION_MAX_FC_SGE
187#endif
188#else
189#define MPT_SCSI_FC_SG_DEPTH 40
190#endif
191
192/* debug print string length used for events and iocstatus */
193# define EVENT_DESCR_STR_SZ 100
194
195#define MPT_POLLING_INTERVAL 1000 /* in milliseconds */
196
197#ifdef __KERNEL__ /* { */
198/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
199
200#include <linux/proc_fs.h>
201
202/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
203/*
204 * Attempt semi-consistent error & warning msgs across
205 * MPT drivers. NOTE: Users of these macro defs must
206 * themselves define their own MYNAM.
207 */
208#define MYIOC_s_FMT MYNAM ": %s: "
209#define MYIOC_s_DEBUG_FMT KERN_DEBUG MYNAM ": %s: "
210#define MYIOC_s_INFO_FMT KERN_INFO MYNAM ": %s: "
211#define MYIOC_s_NOTE_FMT KERN_NOTICE MYNAM ": %s: "
212#define MYIOC_s_WARN_FMT KERN_WARNING MYNAM ": %s: WARNING - "
213#define MYIOC_s_ERR_FMT KERN_ERR MYNAM ": %s: ERROR - "
214
215/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
216/*
217 * ATTO UL4D associated structures and defines
218 */
219#define ATTOFLAG_DISC 0x0001
220#define ATTOFLAG_TAGGED 0x0002
221#define ATTOFLAG_WIDE_ENB 0x0008
222#define ATTOFLAG_ID_ENB 0x0010
223#define ATTOFLAG_LUN_ENB 0x0060
224
225typedef struct _ATTO_DEVICE_INFO
226{
227 u8 Offset; /* 00h */
228 u8 Period; /* 01h */
229 u16 ATTOFlags; /* 02h */
230} ATTO_DEVICE_INFO, MPI_POINTER PTR_ATTO_DEVICE_INFO,
231 ATTODeviceInfo_t, MPI_POINTER pATTODeviceInfo_t;
232
233typedef struct _ATTO_CONFIG_PAGE_SCSI_PORT_2
234{
235 CONFIG_PAGE_HEADER Header; /* 00h */
236 u16 PortFlags; /* 04h */
237 u16 Unused1; /* 06h */
238 u32 Unused2; /* 08h */
239 ATTO_DEVICE_INFO DeviceSettings[16]; /* 0Ch */
240} fATTO_CONFIG_PAGE_SCSI_PORT_2, MPI_POINTER PTR_ATTO_CONFIG_PAGE_SCSI_PORT_2,
241 ATTO_SCSIPortPage2_t, MPI_POINTER pATTO_SCSIPortPage2_t;
242
243
244/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
245/*
246 * MPT protocol driver defs...
247 */
248typedef enum {
249 MPTBASE_DRIVER, /* MPT base class */
250 MPTCTL_DRIVER, /* MPT ioctl class */
251 MPTSPI_DRIVER, /* MPT SPI host class */
252 MPTFC_DRIVER, /* MPT FC host class */
253 MPTSAS_DRIVER, /* MPT SAS host class */
254 MPTLAN_DRIVER, /* MPT LAN class */
255 MPTSTM_DRIVER, /* MPT SCSI target mode class */
256 MPTUNKNOWN_DRIVER
257} MPT_DRIVER_CLASS;
258
259struct mpt_pci_driver{
260 int (*probe) (struct pci_dev *dev);
261 void (*remove) (struct pci_dev *dev);
262};
263
264/*
265 * MPT adapter / port / bus / device info structures...
266 */
267
268typedef union _MPT_FRAME_TRACKER {
269 struct {
270 struct list_head list;
271 u32 arg1;
272 u32 pad;
273 void *argp1;
274 } linkage;
275 /*
276 * NOTE: When request frames are free, on the linkage structure
277 * contents are valid. All other values are invalid.
278 * In particular, do NOT reply on offset [2]
279 * (in words) being the * message context.
280 * The message context must be reset (computed via base address
281 * + an offset) prior to issuing any command.
282 *
283 * NOTE2: On non-32-bit systems, where pointers are LARGE,
284 * using the linkage pointers destroys our sacred MsgContext
285 * field contents. But we don't care anymore because these
286 * are now reset in mpt_put_msg_frame() just prior to sending
287 * a request off to the IOC.
288 */
289 struct {
290 u32 __hdr[2];
291 /*
292 * The following _MUST_ match the location of the
293 * MsgContext field in the MPT message headers.
294 */
295 union {
296 u32 MsgContext;
297 struct {
298 u16 req_idx; /* Request index */
299 u8 cb_idx; /* callback function index */
300 u8 rsvd;
301 } fld;
302 } msgctxu;
303 } hwhdr;
304 /*
305 * Remark: 32 bit identifier:
306 * 31-24: reserved
307 * 23-16: call back index
308 * 15-0 : request index
309 */
310} MPT_FRAME_TRACKER;
311
312/*
313 * We might want to view/access a frame as:
314 * 1) generic request header
315 * 2) SCSIIORequest
316 * 3) SCSIIOReply
317 * 4) MPIDefaultReply
318 * 5) frame tracker
319 */
320typedef struct _MPT_FRAME_HDR {
321 union {
322 MPIHeader_t hdr;
323 SCSIIORequest_t scsireq;
324 SCSIIOReply_t sreply;
325 ConfigReply_t configreply;
326 MPIDefaultReply_t reply;
327 MPT_FRAME_TRACKER frame;
328 } u;
329} MPT_FRAME_HDR;
330
331#define MPT_REQ_MSGFLAGS_DROPME 0x80
332
333typedef struct _MPT_SGL_HDR {
334 SGESimple32_t sge[1];
335} MPT_SGL_HDR;
336
337typedef struct _MPT_SGL64_HDR {
338 SGESimple64_t sge[1];
339} MPT_SGL64_HDR;
340
341/*
342 * System interface register set
343 */
344
345typedef struct _SYSIF_REGS
346{
347 u32 Doorbell; /* 00 System<->IOC Doorbell reg */
348 u32 WriteSequence; /* 04 Write Sequence register */
349 u32 Diagnostic; /* 08 Diagnostic register */
350 u32 TestBase; /* 0C Test Base Address */
351 u32 DiagRwData; /* 10 Read Write Data (fw download) */
352 u32 DiagRwAddress; /* 14 Read Write Address (fw download)*/
353 u32 Reserved1[6]; /* 18-2F reserved for future use */
354 u32 IntStatus; /* 30 Interrupt Status */
355 u32 IntMask; /* 34 Interrupt Mask */
356 u32 Reserved2[2]; /* 38-3F reserved for future use */
357 u32 RequestFifo; /* 40 Request Post/Free FIFO */
358 u32 ReplyFifo; /* 44 Reply Post/Free FIFO */
359 u32 RequestHiPriFifo; /* 48 Hi Priority Request FIFO */
360 u32 Reserved3; /* 4C-4F reserved for future use */
361 u32 HostIndex; /* 50 Host Index register */
362 u32 Reserved4[15]; /* 54-8F */
363 u32 Fubar; /* 90 For Fubar usage */
364 u32 Reserved5[1050];/* 94-10F8 */
365 u32 Reset_1078; /* 10FC Reset 1078 */
366} SYSIF_REGS;
367
368/*
369 * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
370 * in conjunction with SYSIF_REGS accesses!
371 */
372
373
374/*
375 * Dynamic Multi-Pathing specific stuff...
376 */
377
378/* VirtTarget negoFlags field */
379#define MPT_TARGET_NO_NEGO_WIDE 0x01
380#define MPT_TARGET_NO_NEGO_SYNC 0x02
381#define MPT_TARGET_NO_NEGO_QAS 0x04
382#define MPT_TAPE_NEGO_IDP 0x08
383
384/*
385 * VirtDevice - FC LUN device or SCSI target device
386 */
387typedef struct _VirtTarget {
388 struct scsi_target *starget;
389 u8 tflags;
390 u8 ioc_id;
391 u8 id;
392 u8 channel;
393 u8 minSyncFactor; /* 0xFF is async */
394 u8 maxOffset; /* 0 if async */
395 u8 maxWidth; /* 0 if narrow, 1 if wide */
396 u8 negoFlags; /* bit field, see above */
397 u8 raidVolume; /* set, if RAID Volume */
398 u8 type; /* byte 0 of Inquiry data */
399 u8 deleted; /* target in process of being removed */
400 u8 inDMD; /* currently in the device
401 removal delay timer */
402 u32 num_luns;
403} VirtTarget;
404
405typedef struct _VirtDevice {
406 VirtTarget *vtarget;
407 u8 configured_lun;
408 u64 lun;
409} VirtDevice;
410
411/*
412 * Fibre Channel (SCSI) target device and associated defines...
413 */
414#define MPT_TARGET_DEFAULT_DV_STATUS 0x00
415#define MPT_TARGET_FLAGS_VALID_NEGO 0x01
416#define MPT_TARGET_FLAGS_VALID_INQUIRY 0x02
417#define MPT_TARGET_FLAGS_Q_YES 0x08
418#define MPT_TARGET_FLAGS_VALID_56 0x10
419#define MPT_TARGET_FLAGS_SAF_TE_ISSUED 0x20
420#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
421#define MPT_TARGET_FLAGS_LED_ON 0x80
422
423/*
424 * IOCTL structure and associated defines
425 */
426
427#define MPTCTL_RESET_OK 0x01 /* Issue Bus Reset */
428
429#define MPT_MGMT_STATUS_RF_VALID 0x01 /* The Reply Frame is VALID */
430#define MPT_MGMT_STATUS_COMMAND_GOOD 0x02 /* Command Status GOOD */
431#define MPT_MGMT_STATUS_PENDING 0x04 /* command is pending */
432#define MPT_MGMT_STATUS_DID_IOCRESET 0x08 /* IOC Reset occurred
433 on the current*/
434#define MPT_MGMT_STATUS_SENSE_VALID 0x10 /* valid sense info */
435#define MPT_MGMT_STATUS_TIMER_ACTIVE 0x20 /* obsolete */
436#define MPT_MGMT_STATUS_FREE_MF 0x40 /* free the mf from
437 complete routine */
438
439#define INITIALIZE_MGMT_STATUS(status) \
440 status = MPT_MGMT_STATUS_PENDING;
441#define CLEAR_MGMT_STATUS(status) \
442 status = 0;
443#define CLEAR_MGMT_PENDING_STATUS(status) \
444 status &= ~MPT_MGMT_STATUS_PENDING;
445#define SET_MGMT_MSG_CONTEXT(msg_context, value) \
446 msg_context = value;
447
448typedef struct _MPT_MGMT {
449 struct mutex mutex;
450 struct completion done;
451 u8 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
452 u8 sense[MPT_SENSE_BUFFER_ALLOC];
453 u8 status; /* current command status */
454 int completion_code;
455 u32 msg_context;
456} MPT_MGMT;
457
458/*
459 * Event Structure and define
460 */
461#define MPTCTL_EVENT_LOG_SIZE (0x000000032)
462typedef struct _mpt_ioctl_events {
463 u32 event; /* Specified by define above */
464 u32 eventContext; /* Index or counter */
465 u32 data[2]; /* First 8 bytes of Event Data */
466} MPT_IOCTL_EVENTS;
467
468/*
469 * CONFIGPARM status defines
470 */
471#define MPT_CONFIG_GOOD MPI_IOCSTATUS_SUCCESS
472#define MPT_CONFIG_ERROR 0x002F
473
474/*
475 * Substructure to store SCSI specific configuration page data
476 */
477 /* dvStatus defines: */
478#define MPT_SCSICFG_USE_NVRAM 0x01 /* WriteSDP1 using NVRAM */
479#define MPT_SCSICFG_ALL_IDS 0x02 /* WriteSDP1 to all IDS */
480/* #define MPT_SCSICFG_BLK_NEGO 0x10 WriteSDP1 with WDTR and SDTR disabled */
481
482typedef struct _SpiCfgData {
483 u32 PortFlags;
484 int *nvram; /* table of device NVRAM values */
485 IOCPage4_t *pIocPg4; /* SEP devices addressing */
486 dma_addr_t IocPg4_dma; /* Phys Addr of IOCPage4 data */
487 int IocPg4Sz; /* IOCPage4 size */
488 u8 minSyncFactor; /* 0xFF if async */
489 u8 maxSyncOffset; /* 0 if async */
490 u8 maxBusWidth; /* 0 if narrow, 1 if wide */
491 u8 busType; /* SE, LVD, HD */
492 u8 sdp1version; /* SDP1 version */
493 u8 sdp1length; /* SDP1 length */
494 u8 sdp0version; /* SDP0 version */
495 u8 sdp0length; /* SDP0 length */
496 u8 dvScheduled; /* 1 if scheduled */
497 u8 noQas; /* Disable QAS for this adapter */
498 u8 Saf_Te; /* 1 to force all Processors as
499 * SAF-TE if Inquiry data length
500 * is too short to check for SAF-TE
501 */
502 u8 bus_reset; /* 1 to allow bus reset */
503 u8 rsvd[1];
504}SpiCfgData;
505
506typedef struct _SasCfgData {
507 u8 ptClear; /* 1 to automatically clear the
508 * persistent table.
509 * 0 to disable
510 * automatic clearing.
511 */
512}SasCfgData;
513
514/*
515 * Inactive volume link list of raid component data
516 * @inactive_list
517 */
518struct inactive_raid_component_info {
519 struct list_head list;
520 u8 volumeID; /* volume target id */
521 u8 volumeBus; /* volume channel */
522 IOC_3_PHYS_DISK d; /* phys disk info */
523};
524
525typedef struct _RaidCfgData {
526 IOCPage2_t *pIocPg2; /* table of Raid Volumes */
527 IOCPage3_t *pIocPg3; /* table of physical disks */
528 struct mutex inactive_list_mutex;
529 struct list_head inactive_list; /* link list for physical
530 disk that belong in
531 inactive volumes */
532}RaidCfgData;
533
534typedef struct _FcCfgData {
535 /* will ultimately hold fc_port_page0 also */
536 struct {
537 FCPortPage1_t *data;
538 dma_addr_t dma;
539 int pg_sz;
540 } fc_port_page1[2];
541} FcCfgData;
542
543#define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01 /* rport registered */
544#define MPT_RPORT_INFO_FLAGS_MISSING 0x02 /* missing from DevPage0 scan */
545
546/*
547 * data allocated for each fc rport device
548 */
549struct mptfc_rport_info
550{
551 struct list_head list;
552 struct fc_rport *rport;
553 struct scsi_target *starget;
554 FCDevicePage0_t pg0;
555 u8 flags;
556};
557
558/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
559
560/*
561 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
562 * Private to the driver.
563 */
564
565#define MPT_HOST_BUS_UNKNOWN (0xFF)
566#define MPT_HOST_TOO_MANY_TM (0x05)
567#define MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
568#define MPT_HOST_NO_CHAIN (0xFFFFFFFF)
569#define MPT_NVRAM_MASK_TIMEOUT (0x000000FF)
570#define MPT_NVRAM_SYNC_MASK (0x0000FF00)
571#define MPT_NVRAM_SYNC_SHIFT (8)
572#define MPT_NVRAM_DISCONNECT_ENABLE (0x00010000)
573#define MPT_NVRAM_ID_SCAN_ENABLE (0x00020000)
574#define MPT_NVRAM_LUN_SCAN_ENABLE (0x00040000)
575#define MPT_NVRAM_TAG_QUEUE_ENABLE (0x00080000)
576#define MPT_NVRAM_WIDE_DISABLE (0x00100000)
577#define MPT_NVRAM_BOOT_CHOICE (0x00200000)
578
579typedef enum {
580 FC,
581 SPI,
582 SAS
583} BUS_TYPE;
584
585typedef struct _MPT_SCSI_HOST {
586 struct _MPT_ADAPTER *ioc;
587 ushort sel_timeout[MPT_MAX_FC_DEVICES];
588 char *info_kbuf;
589 long last_queue_full;
590 u16 spi_pending;
591 struct list_head target_reset_list;
592} MPT_SCSI_HOST;
593
594typedef void (*MPT_ADD_SGE)(void *pAddr, u32 flagslength, dma_addr_t dma_addr);
595typedef void (*MPT_ADD_CHAIN)(void *pAddr, u8 next, u16 length,
596 dma_addr_t dma_addr);
597typedef void (*MPT_SCHEDULE_TARGET_RESET)(void *ioc);
598typedef void (*MPT_FLUSH_RUNNING_CMDS)(MPT_SCSI_HOST *hd);
599
600/*
601 * Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
602 */
603typedef struct _MPT_ADAPTER
604{
605 int id; /* Unique adapter id N {0,1,2,...} */
606 int pci_irq; /* This irq */
607 char name[MPT_NAME_LENGTH]; /* "iocN" */
608 const char *prod_name; /* "LSIFC9x9" */
609#ifdef CONFIG_FUSION_LOGGING
610 /* used in mpt_display_event_info */
611 char evStr[EVENT_DESCR_STR_SZ];
612#endif
613 char board_name[16];
614 char board_assembly[16];
615 char board_tracer[16];
616 u16 nvdata_version_persistent;
617 u16 nvdata_version_default;
618 int debug_level;
619 u8 io_missing_delay;
620 u16 device_missing_delay;
621 SYSIF_REGS __iomem *chip; /* == c8817000 (mmap) */
622 SYSIF_REGS __iomem *pio_chip; /* Programmed IO (downloadboot) */
623 u8 bus_type;
624 u32 mem_phys; /* == f4020000 (mmap) */
625 u32 pio_mem_phys; /* Programmed IO (downloadboot) */
626 int mem_size; /* mmap memory size */
627 int number_of_buses;
628 int devices_per_bus;
629 int alloc_total;
630 u32 last_state;
631 int active;
632 u8 *alloc; /* frames alloc ptr */
633 dma_addr_t alloc_dma;
634 u32 alloc_sz;
635 MPT_FRAME_HDR *reply_frames; /* Reply msg frames - rounded up! */
636 u32 reply_frames_low_dma;
637 int reply_depth; /* Num Allocated reply frames */
638 int reply_sz; /* Reply frame size */
639 int num_chain; /* Number of chain buffers */
640 MPT_ADD_SGE add_sge; /* Pointer to add_sge
641 function */
642 MPT_ADD_CHAIN add_chain; /* Pointer to add_chain
643 function */
644 /* Pool of buffers for chaining. ReqToChain
645 * and ChainToChain track index of chain buffers.
646 * ChainBuffer (DMA) virt/phys addresses.
647 * FreeChainQ (lock) locking mechanisms.
648 */
649 int *ReqToChain;
650 int *RequestNB;
651 int *ChainToChain;
652 u8 *ChainBuffer;
653 dma_addr_t ChainBufferDMA;
654 struct list_head FreeChainQ;
655 spinlock_t FreeChainQlock;
656 /* We (host driver) get to manage our own RequestQueue! */
657 dma_addr_t req_frames_dma;
658 MPT_FRAME_HDR *req_frames; /* Request msg frames - rounded up! */
659 u32 req_frames_low_dma;
660 int req_depth; /* Number of request frames */
661 int req_sz; /* Request frame size (bytes) */
662 spinlock_t FreeQlock;
663 struct list_head FreeQ;
664 /* Pool of SCSI sense buffers for commands coming from
665 * the SCSI mid-layer. We have one 256 byte sense buffer
666 * for each REQ entry.
667 */
668 u8 *sense_buf_pool;
669 dma_addr_t sense_buf_pool_dma;
670 u32 sense_buf_low_dma;
671 u8 *HostPageBuffer; /* SAS - host page buffer support */
672 u32 HostPageBuffer_sz;
673 dma_addr_t HostPageBuffer_dma;
674 struct pci_dev *pcidev; /* struct pci_dev pointer */
675 int bars; /* bitmask of BAR's that must be configured */
676 int msi_enable;
677 u8 __iomem *memmap; /* mmap address */
678 struct Scsi_Host *sh; /* Scsi Host pointer */
679 SpiCfgData spi_data; /* Scsi config. data */
680 RaidCfgData raid_data; /* Raid config. data */
681 SasCfgData sas_data; /* Sas config. data */
682 FcCfgData fc_data; /* Fc config. data */
683 struct proc_dir_entry *ioc_dentry;
684 struct _MPT_ADAPTER *alt_ioc; /* ptr to 929 bound adapter port */
685 u32 biosVersion; /* BIOS version from IO Unit Page 2 */
686 int eventTypes; /* Event logging parameters */
687 int eventContext; /* Next event context */
688 int eventLogSize; /* Max number of cached events */
689 struct _mpt_ioctl_events *events; /* pointer to event log */
690 u8 *cached_fw; /* Pointer to FW */
691 dma_addr_t cached_fw_dma;
692 int hs_reply_idx;
693#ifndef MFCNT
694 u32 pad0;
695#else
696 u32 mfcnt;
697#endif
698 u32 NB_for_64_byte_frame;
699 u32 hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
700 u16 hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
701 IOCFactsReply_t facts;
702 PortFactsReply_t pfacts[2];
703 FCPortPage0_t fc_port_page0[2];
704 LANPage0_t lan_cnfg_page0;
705 LANPage1_t lan_cnfg_page1;
706
707 u8 ir_firmware; /* =1 if IR firmware detected */
708 /*
709 * Description: errata_flag_1064
710 * If a PCIX read occurs within 1 or 2 cycles after the chip receives
711 * a split completion for a read data, an internal address pointer incorrectly
712 * increments by 32 bytes
713 */
714 int errata_flag_1064;
715 int aen_event_read_flag; /* flag to indicate event log was read*/
716 u8 FirstWhoInit;
717 u8 upload_fw; /* If set, do a fw upload */
718 u8 NBShiftFactor; /* NB Shift Factor based on Block Size (Facts) */
719 u8 pad1[4];
720 u8 DoneCtx;
721 u8 TaskCtx;
722 u8 InternalCtx;
723 struct list_head list;
724 struct net_device *netdev;
725 struct list_head sas_topology;
726 struct mutex sas_topology_mutex;
727
728 struct workqueue_struct *fw_event_q;
729 struct list_head fw_event_list;
730 spinlock_t fw_event_lock;
731 u8 fw_events_off; /* if '1', then ignore events */
732
733 struct mutex sas_discovery_mutex;
734 u8 sas_discovery_runtime;
735 u8 sas_discovery_ignore_events;
736
737 /* port_info object for the host */
738 struct mptsas_portinfo *hba_port_info;
739 u64 hba_port_sas_addr;
740 u16 hba_port_num_phy;
741 struct list_head sas_device_info_list;
742 struct mutex sas_device_info_mutex;
743 u8 old_sas_discovery_protocal;
744 u8 sas_discovery_quiesce_io;
745 int sas_index; /* index refrencing */
746 MPT_MGMT sas_mgmt;
747 MPT_MGMT mptbase_cmds; /* for sending config pages */
748 MPT_MGMT internal_cmds;
749 MPT_MGMT taskmgmt_cmds;
750 MPT_MGMT ioctl_cmds;
751 spinlock_t taskmgmt_lock; /* diagnostic reset lock */
752 int taskmgmt_in_progress;
753 u8 taskmgmt_quiesce_io;
754 u8 ioc_reset_in_progress;
755 u8 reset_status;
756 u8 wait_on_reset_completion;
757 MPT_SCHEDULE_TARGET_RESET schedule_target_reset;
758 MPT_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
759
760 struct work_struct fc_setup_reset_work;
761 struct list_head fc_rports;
762 struct work_struct fc_lsc_work;
763 u8 fc_link_speed[2];
764 spinlock_t fc_rescan_work_lock;
765 struct work_struct fc_rescan_work;
766 struct workqueue_struct *fc_rescan_work_q;
767
768 /* driver forced bus resets count */
769 unsigned long hard_resets;
770 /* fw/external bus resets count */
771 unsigned long soft_resets;
772 /* cmd timeouts */
773 unsigned long timeouts;
774
775 struct scsi_cmnd **ScsiLookup;
776 spinlock_t scsi_lookup_lock;
777 u64 dma_mask;
778 u32 broadcast_aen_busy;
779 struct workqueue_struct *reset_work_q;
780 struct delayed_work fault_reset_work;
781
782 u8 sg_addr_size;
783 u8 in_rescan;
784 u8 SGE_size;
785
786} MPT_ADAPTER;
787
788/*
789 * New return value convention:
790 * 1 = Ok to free associated request frame
791 * 0 = not Ok ...
792 */
793typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
794typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
795typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
796/* reset_phase defs */
797#define MPT_IOC_PRE_RESET 0
798#define MPT_IOC_POST_RESET 1
799#define MPT_IOC_SETUP_RESET 2
800
801/*
802 * Invent MPT host event (super-set of MPI Events)
803 * Fitted to 1030's 64-byte [max] request frame size
804 */
805typedef struct _MPT_HOST_EVENT {
806 EventNotificationReply_t MpiEvent; /* 8 32-bit words! */
807 u32 pad[6];
808 void *next;
809} MPT_HOST_EVENT;
810
811#define MPT_HOSTEVENT_IOC_BRINGUP 0x91
812#define MPT_HOSTEVENT_IOC_RECOVER 0x92
813
814/* Define the generic types based on the size
815 * of the dma_addr_t type.
816 */
817typedef struct _mpt_sge {
818 u32 FlagsLength;
819 dma_addr_t Address;
820} MptSge_t;
821
822
823#define mpt_msg_flags(ioc) \
824 (ioc->sg_addr_size == sizeof(u64)) ? \
825 MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : \
826 MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32
827
828#define MPT_SGE_FLAGS_64_BIT_ADDRESSING \
829 (MPI_SGE_FLAGS_64_BIT_ADDRESSING << MPI_SGE_FLAGS_SHIFT)
830
831/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
832/*
833 * Funky (private) macros...
834 */
835#include "mptdebug.h"
836
837#define MPT_INDEX_2_MFPTR(ioc,idx) \
838 (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
839
840#define MFPTR_2_MPT_INDEX(ioc,mf) \
841 (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
842
843#define MPT_INDEX_2_RFPTR(ioc,idx) \
844 (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
845
846/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
847
848#define SCSI_STD_SENSE_BYTES 18
849#define SCSI_STD_INQUIRY_BYTES 36
850#define SCSI_MAX_INQUIRY_BYTES 96
851
852/*
853 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
854 * Private to the driver.
855 */
856/* LOCAL structure and fields used when processing
857 * internally generated commands. These include:
858 * bus scan, dv and config requests.
859 */
860typedef struct _MPT_LOCAL_REPLY {
861 ConfigPageHeader_t header;
862 int completion;
863 u8 sense[SCSI_STD_SENSE_BYTES];
864 u8 scsiStatus;
865 u8 skip;
866 u32 pad;
867} MPT_LOCAL_REPLY;
868
869
870/* The TM_STATE variable is used to provide strict single threading of TM
871 * requests as well as communicate TM error conditions.
872 */
873#define TM_STATE_NONE (0)
874#define TM_STATE_IN_PROGRESS (1)
875#define TM_STATE_ERROR (2)
876
877/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
878/*
879 * More Dynamic Multi-Pathing stuff...
880 */
881
882/* Forward decl, a strange C thing, to prevent gcc compiler warnings */
883struct scsi_cmnd;
884
885/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
886/*
887 * Generic structure passed to the base mpt_config function.
888 */
889typedef struct _x_config_parms {
890 union {
891 ConfigExtendedPageHeader_t *ehdr;
892 ConfigPageHeader_t *hdr;
893 } cfghdr;
894 dma_addr_t physAddr;
895 u32 pageAddr; /* properly formatted */
896 u16 status;
897 u8 action;
898 u8 dir;
899 u8 timeout; /* seconds */
900} CONFIGPARMS;
901
902/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
903/*
904 * Public entry points...
905 */
906extern int mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
907extern void mpt_detach(struct pci_dev *pdev);
908#ifdef CONFIG_PM
909extern int mpt_suspend(struct pci_dev *pdev, pm_message_t state);
910extern int mpt_resume(struct pci_dev *pdev);
911#endif
912extern u8 mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass,
913 char *func_name);
914extern void mpt_deregister(u8 cb_idx);
915extern int mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc);
916extern void mpt_event_deregister(u8 cb_idx);
917extern int mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func);
918extern void mpt_reset_deregister(u8 cb_idx);
919extern int mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx);
920extern void mpt_device_driver_deregister(u8 cb_idx);
921extern MPT_FRAME_HDR *mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc);
922extern void mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
923extern void mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
924extern void mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
925
926extern int mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
927extern int mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
928extern u32 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
929extern void mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
930extern int mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
931extern int mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
932extern int mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
933extern int mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
934extern void mpt_free_fw_memory(MPT_ADAPTER *ioc);
935extern int mpt_findImVolumes(MPT_ADAPTER *ioc);
936extern int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
937extern int mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);
938extern int mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num,
939 pRaidPhysDiskPage1_t phys_disk);
940extern int mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc,
941 u8 phys_disk_num);
942extern int mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
943extern void mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
944extern void __noreturn mpt_halt_firmware(MPT_ADAPTER *ioc);
945
946
947/*
948 * Public data decl's...
949 */
950extern struct list_head ioc_list;
951extern int mpt_fwfault_debug;
952
953/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
954#endif /* } __KERNEL__ */
955
956#ifdef CONFIG_64BIT
957#define CAST_U32_TO_PTR(x) ((void *)(u64)x)
958#define CAST_PTR_TO_U32(x) ((u32)(u64)x)
959#else
960#define CAST_U32_TO_PTR(x) ((void *)x)
961#define CAST_PTR_TO_U32(x) ((u32)x)
962#endif
963
964#define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
965 ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR) ? 'I' : 'i', \
966 ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET) ? 'T' : 't', \
967 ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN) ? 'L' : 'l', \
968 ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR) ? 'B' : 'b'
969
970/*
971 * Shifted SGE Defines - Use in SGE with FlagsLength member.
972 * Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
973 * Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
974 */
975#define MPT_TRANSFER_IOC_TO_HOST (0x00000000)
976#define MPT_TRANSFER_HOST_TO_IOC (0x04000000)
977#define MPT_SGE_FLAGS_LAST_ELEMENT (0x80000000)
978#define MPT_SGE_FLAGS_END_OF_BUFFER (0x40000000)
979#define MPT_SGE_FLAGS_LOCAL_ADDRESS (0x08000000)
980#define MPT_SGE_FLAGS_DIRECTION (0x04000000)
981#define MPT_SGE_FLAGS_END_OF_LIST (0x01000000)
982
983#define MPT_SGE_FLAGS_TRANSACTION_ELEMENT (0x00000000)
984#define MPT_SGE_FLAGS_SIMPLE_ELEMENT (0x10000000)
985#define MPT_SGE_FLAGS_CHAIN_ELEMENT (0x30000000)
986#define MPT_SGE_FLAGS_ELEMENT_MASK (0x30000000)
987
988#define MPT_SGE_FLAGS_SSIMPLE_READ \
989 (MPT_SGE_FLAGS_LAST_ELEMENT | \
990 MPT_SGE_FLAGS_END_OF_BUFFER | \
991 MPT_SGE_FLAGS_END_OF_LIST | \
992 MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
993 MPT_TRANSFER_IOC_TO_HOST)
994#define MPT_SGE_FLAGS_SSIMPLE_WRITE \
995 (MPT_SGE_FLAGS_LAST_ELEMENT | \
996 MPT_SGE_FLAGS_END_OF_BUFFER | \
997 MPT_SGE_FLAGS_END_OF_LIST | \
998 MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
999 MPT_TRANSFER_HOST_TO_IOC)
1000
1001/*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1002#endif
1003