xref: /linux/drivers/message/fusion/mptbase.h (revision 80b8d5d6bc0000c6e499260883cfc95e645f49d1)
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 Logic Fusion MPT (Message Passing Technology) firmware.
7  *
8  *  Copyright (c) 1999-2005 LSI Logic Corporation
9  *  (mailto:mpt_linux_developer@lsil.com)
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 
55 #include "lsi/mpi_type.h"
56 #include "lsi/mpi.h"		/* Fusion MPI(nterface) basic defs */
57 #include "lsi/mpi_ioc.h"	/* Fusion MPT IOC(ontroller) defs */
58 #include "lsi/mpi_cnfg.h"	/* IOC configuration support */
59 #include "lsi/mpi_init.h"	/* SCSI Host (initiator) protocol support */
60 #include "lsi/mpi_lan.h"	/* LAN over FC protocol support */
61 #include "lsi/mpi_raid.h"	/* Integrated Mirroring support */
62 
63 #include "lsi/mpi_fc.h"		/* Fibre Channel (lowlevel) support */
64 #include "lsi/mpi_targ.h"	/* SCSI/FCP Target protcol support */
65 #include "lsi/mpi_tool.h"	/* Tools support */
66 #include "lsi/mpi_sas.h"	/* SAS support */
67 
68 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
69 
70 #ifndef MODULEAUTHOR
71 #define MODULEAUTHOR	"LSI Logic Corporation"
72 #endif
73 
74 #ifndef COPYRIGHT
75 #define COPYRIGHT	"Copyright (c) 1999-2005 " MODULEAUTHOR
76 #endif
77 
78 #define MPT_LINUX_VERSION_COMMON	"3.04.02"
79 #define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.02"
80 #define WHAT_MAGIC_STRING		"@" "(" "#" ")"
81 
82 #define show_mptmod_ver(s,ver)  \
83 	printk(KERN_INFO "%s %s\n", s, ver);
84 
85 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
86 /*
87  *  Fusion MPT(linux) driver configurable stuff...
88  */
89 #define MPT_MAX_ADAPTERS		18
90 #define MPT_MAX_PROTOCOL_DRIVERS	16
91 #define MPT_MAX_BUS			1	/* Do not change */
92 #define MPT_MAX_FC_DEVICES		255
93 #define MPT_MAX_SCSI_DEVICES		16
94 #define MPT_LAST_LUN			255
95 #define MPT_SENSE_BUFFER_ALLOC		64
96 	/* allow for 256 max sense alloc, but only 255 max request */
97 #if MPT_SENSE_BUFFER_ALLOC >= 256
98 #	undef MPT_SENSE_BUFFER_ALLOC
99 #	define MPT_SENSE_BUFFER_ALLOC	256
100 #	define MPT_SENSE_BUFFER_SIZE	255
101 #else
102 #	define MPT_SENSE_BUFFER_SIZE	MPT_SENSE_BUFFER_ALLOC
103 #endif
104 
105 #define MPT_NAME_LENGTH			32
106 
107 #define MPT_PROCFS_MPTBASEDIR		"mpt"
108 						/* chg it to "driver/fusion" ? */
109 #define MPT_PROCFS_SUMMARY_ALL_NODE		MPT_PROCFS_MPTBASEDIR "/summary"
110 #define MPT_PROCFS_SUMMARY_ALL_PATHNAME		"/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
111 #define MPT_FW_REV_MAGIC_ID_STRING		"FwRev="
112 
113 #define  MPT_MAX_REQ_DEPTH		1023
114 #define  MPT_DEFAULT_REQ_DEPTH		256
115 #define  MPT_MIN_REQ_DEPTH		128
116 
117 #define  MPT_MAX_REPLY_DEPTH		MPT_MAX_REQ_DEPTH
118 #define  MPT_DEFAULT_REPLY_DEPTH	128
119 #define  MPT_MIN_REPLY_DEPTH		8
120 #define  MPT_MAX_REPLIES_PER_ISR	32
121 
122 #define  MPT_MAX_FRAME_SIZE		128
123 #define  MPT_DEFAULT_FRAME_SIZE		128
124 
125 #define  MPT_REPLY_FRAME_SIZE		0x50  /* Must be a multiple of 8 */
126 
127 #define  MPT_SG_REQ_128_SCALE		1
128 #define  MPT_SG_REQ_96_SCALE		2
129 #define  MPT_SG_REQ_64_SCALE		4
130 
131 #define	 CAN_SLEEP			1
132 #define  NO_SLEEP			0
133 
134 #define MPT_COALESCING_TIMEOUT		0x10
135 
136 /*
137  * SCSI transfer rate defines.
138  */
139 #define MPT_ULTRA320			0x08
140 #define MPT_ULTRA160			0x09
141 #define MPT_ULTRA2			0x0A
142 #define MPT_ULTRA			0x0C
143 #define MPT_FAST			0x19
144 #define MPT_SCSI			0x32
145 #define MPT_ASYNC			0xFF
146 
147 #define MPT_NARROW			0
148 #define MPT_WIDE			1
149 
150 #define C0_1030				0x08
151 #define XL_929				0x01
152 
153 
154 /*
155  *	Try to keep these at 2^N-1
156  */
157 #define MPT_FC_CAN_QUEUE	127
158 #define MPT_SCSI_CAN_QUEUE	127
159 
160 /*
161  * Set the MAX_SGE value based on user input.
162  */
163 #ifdef  CONFIG_FUSION_MAX_SGE
164 #if     CONFIG_FUSION_MAX_SGE  < 16
165 #define MPT_SCSI_SG_DEPTH	16
166 #elif   CONFIG_FUSION_MAX_SGE  > 128
167 #define MPT_SCSI_SG_DEPTH	128
168 #else
169 #define MPT_SCSI_SG_DEPTH	CONFIG_FUSION_MAX_SGE
170 #endif
171 #else
172 #define MPT_SCSI_SG_DEPTH	40
173 #endif
174 
175 #ifdef __KERNEL__	/* { */
176 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
177 
178 #include <linux/proc_fs.h>
179 
180 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
181 /*
182  * Attempt semi-consistent error & warning msgs across
183  * MPT drivers.  NOTE: Users of these macro defs must
184  * themselves define their own MYNAM.
185  */
186 #define MYIOC_s_INFO_FMT		KERN_INFO MYNAM ": %s: "
187 #define MYIOC_s_NOTE_FMT		KERN_NOTICE MYNAM ": %s: "
188 #define MYIOC_s_WARN_FMT		KERN_WARNING MYNAM ": %s: WARNING - "
189 #define MYIOC_s_ERR_FMT			KERN_ERR MYNAM ": %s: ERROR - "
190 
191 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
192 /*
193  *  MPT protocol driver defs...
194  */
195 typedef enum {
196 	MPTBASE_DRIVER,		/* MPT base class */
197 	MPTCTL_DRIVER,		/* MPT ioctl class */
198 	MPTSPI_DRIVER,		/* MPT SPI host class */
199 	MPTFC_DRIVER,		/* MPT FC host class */
200 	MPTSAS_DRIVER,		/* MPT SAS host class */
201 	MPTLAN_DRIVER,		/* MPT LAN class */
202 	MPTSTM_DRIVER,		/* MPT SCSI target mode class */
203 	MPTUNKNOWN_DRIVER
204 } MPT_DRIVER_CLASS;
205 
206 struct mpt_pci_driver{
207 	int  (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
208 	void (*remove) (struct pci_dev *dev);
209 };
210 
211 /*
212  *  MPT adapter / port / bus / device info structures...
213  */
214 
215 typedef union _MPT_FRAME_TRACKER {
216 	struct {
217 		struct list_head	list;
218 		u32			 arg1;
219 		u32			 pad;
220 		void			*argp1;
221 	} linkage;
222 	/*
223 	 * NOTE: When request frames are free, on the linkage structure
224 	 * contets are valid.  All other values are invalid.
225 	 * In particular, do NOT reply on offset [2]
226 	 * (in words) being the * message context.
227 	 * The message context must be reset (computed via base address
228 	 * + an offset) prior to issuing any command.
229 	 *
230 	 * NOTE2: On non-32-bit systems, where pointers are LARGE,
231 	 * using the linkage pointers destroys our sacred MsgContext
232 	 * field contents.  But we don't care anymore because these
233 	 * are now reset in mpt_put_msg_frame() just prior to sending
234 	 * a request off to the IOC.
235 	 */
236 	struct {
237 		u32 __hdr[2];
238 		/*
239 		 * The following _MUST_ match the location of the
240 		 * MsgContext field in the MPT message headers.
241 		 */
242 		union {
243 			u32		 MsgContext;
244 			struct {
245 				u16	 req_idx;	/* Request index */
246 				u8	 cb_idx;	/* callback function index */
247 				u8	 rsvd;
248 			} fld;
249 		} msgctxu;
250 	} hwhdr;
251 	/*
252 	 * Remark: 32 bit identifier:
253 	 *  31-24: reserved
254 	 *  23-16: call back index
255 	 *  15-0 : request index
256 	 */
257 } MPT_FRAME_TRACKER;
258 
259 /*
260  *  We might want to view/access a frame as:
261  *    1) generic request header
262  *    2) SCSIIORequest
263  *    3) SCSIIOReply
264  *    4) MPIDefaultReply
265  *    5) frame tracker
266  */
267 typedef struct _MPT_FRAME_HDR {
268 	union {
269 		MPIHeader_t		hdr;
270 		SCSIIORequest_t		scsireq;
271 		SCSIIOReply_t		sreply;
272 		ConfigReply_t		configreply;
273 		MPIDefaultReply_t	reply;
274 		MPT_FRAME_TRACKER	frame;
275 	} u;
276 } MPT_FRAME_HDR;
277 
278 #define MPT_REQ_MSGFLAGS_DROPME		0x80
279 
280 typedef struct _MPT_SGL_HDR {
281 	SGESimple32_t	 sge[1];
282 } MPT_SGL_HDR;
283 
284 typedef struct _MPT_SGL64_HDR {
285 	SGESimple64_t	 sge[1];
286 } MPT_SGL64_HDR;
287 
288 /*
289  *  System interface register set
290  */
291 
292 typedef struct _SYSIF_REGS
293 {
294 	u32	Doorbell;	/* 00     System<->IOC Doorbell reg  */
295 	u32	WriteSequence;	/* 04     Write Sequence register    */
296 	u32	Diagnostic;	/* 08     Diagnostic register        */
297 	u32	TestBase;	/* 0C     Test Base Address          */
298 	u32	DiagRwData;	/* 10     Read Write Data (fw download)   */
299 	u32	DiagRwAddress;	/* 14     Read Write Address (fw download)*/
300 	u32	Reserved1[6];	/* 18-2F  reserved for future use    */
301 	u32	IntStatus;	/* 30     Interrupt Status           */
302 	u32	IntMask;	/* 34     Interrupt Mask             */
303 	u32	Reserved2[2];	/* 38-3F  reserved for future use    */
304 	u32	RequestFifo;	/* 40     Request Post/Free FIFO     */
305 	u32	ReplyFifo;	/* 44     Reply   Post/Free FIFO     */
306 	u32	Reserved3[2];	/* 48-4F  reserved for future use    */
307 	u32	HostIndex;	/* 50     Host Index register        */
308 	u32	Reserved4[15];	/* 54-8F                             */
309 	u32	Fubar;		/* 90     For Fubar usage            */
310 	u32	Reserved5[1050];/* 94-10F8                           */
311 	u32	Reset_1078;	/* 10FC   Reset 1078                 */
312 } SYSIF_REGS;
313 
314 /*
315  * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
316  * in conjunction with SYSIF_REGS accesses!
317  */
318 
319 
320 /*
321  *	Dynamic Multi-Pathing specific stuff...
322  */
323 
324 /* VirtTarget negoFlags field */
325 #define MPT_TARGET_NO_NEGO_WIDE		0x01
326 #define MPT_TARGET_NO_NEGO_SYNC		0x02
327 #define MPT_TARGET_NO_NEGO_QAS		0x04
328 #define MPT_TAPE_NEGO_IDP     		0x08
329 
330 /*
331  *	VirtDevice - FC LUN device or SCSI target device
332  */
333 typedef struct _VirtTarget {
334 	struct scsi_target	*starget;
335 	u8			 tflags;
336 	u8			 ioc_id;
337 	u8			 target_id;
338 	u8			 bus_id;
339 	u8			 minSyncFactor;	/* 0xFF is async */
340 	u8			 maxOffset;	/* 0 if async */
341 	u8			 maxWidth;	/* 0 if narrow, 1 if wide */
342 	u8			 negoFlags;	/* bit field, see above */
343 	u8			 raidVolume;	/* set, if RAID Volume */
344 	u8			 type;		/* byte 0 of Inquiry data */
345 	u8			 deleted;	/* target in process of being removed */
346 	u32			 num_luns;
347 	u32			 luns[8];		/* Max LUNs is 256 */
348 } VirtTarget;
349 
350 typedef struct _VirtDevice {
351 	VirtTarget		*vtarget;
352 	u8			 configured_lun;
353 	u32			 lun;
354 } VirtDevice;
355 
356 /*
357  *  Fibre Channel (SCSI) target device and associated defines...
358  */
359 #define MPT_TARGET_DEFAULT_DV_STATUS	0x00
360 #define MPT_TARGET_FLAGS_VALID_NEGO	0x01
361 #define MPT_TARGET_FLAGS_VALID_INQUIRY	0x02
362 #define MPT_TARGET_FLAGS_Q_YES		0x08
363 #define MPT_TARGET_FLAGS_VALID_56	0x10
364 #define MPT_TARGET_FLAGS_SAF_TE_ISSUED	0x20
365 #define MPT_TARGET_FLAGS_RAID_COMPONENT	0x40
366 #define MPT_TARGET_FLAGS_LED_ON		0x80
367 
368 /*
369  *	/proc/mpt interface
370  */
371 typedef struct {
372 	const char	*name;
373 	mode_t		 mode;
374 	int		 pad;
375 	read_proc_t	*read_proc;
376 	write_proc_t	*write_proc;
377 } mpt_proc_entry_t;
378 
379 #define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
380 do { \
381 	len -= offset;			\
382 	if (len < request) {		\
383 		*eof = 1;		\
384 		if (len <= 0)		\
385 			return 0;	\
386 	} else				\
387 		len = request;		\
388 	*start = buf + offset;		\
389 	return len;			\
390 } while (0)
391 
392 
393 /*
394  *	IOCTL structure and associated defines
395  */
396 
397 #define MPT_IOCTL_STATUS_DID_IOCRESET	0x01	/* IOC Reset occurred on the current*/
398 #define MPT_IOCTL_STATUS_RF_VALID	0x02	/* The Reply Frame is VALID */
399 #define MPT_IOCTL_STATUS_TIMER_ACTIVE	0x04	/* The timer is running */
400 #define MPT_IOCTL_STATUS_SENSE_VALID	0x08	/* Sense data is valid */
401 #define MPT_IOCTL_STATUS_COMMAND_GOOD	0x10	/* Command Status GOOD */
402 #define MPT_IOCTL_STATUS_TMTIMER_ACTIVE	0x20	/* The TM timer is running */
403 #define MPT_IOCTL_STATUS_TM_FAILED	0x40	/* User TM request failed */
404 
405 #define MPTCTL_RESET_OK			0x01	/* Issue Bus Reset */
406 
407 typedef struct _MPT_IOCTL {
408 	struct _MPT_ADAPTER	*ioc;
409 	u8			 ReplyFrame[MPT_DEFAULT_FRAME_SIZE];	/* reply frame data */
410 	u8			 sense[MPT_SENSE_BUFFER_ALLOC];
411 	int			 wait_done;	/* wake-up value for this ioc */
412 	u8			 rsvd;
413 	u8			 status;	/* current command status */
414 	u8			 reset;		/* 1 if bus reset allowed */
415 	u8			 target;	/* target for reset */
416 	struct mutex		 ioctl_mutex;
417 } MPT_IOCTL;
418 
419 #define MPT_SAS_MGMT_STATUS_RF_VALID	0x02	/* The Reply Frame is VALID */
420 #define MPT_SAS_MGMT_STATUS_COMMAND_GOOD	0x10	/* Command Status GOOD */
421 #define MPT_SAS_MGMT_STATUS_TM_FAILED	0x40	/* User TM request failed */
422 
423 typedef struct _MPT_SAS_MGMT {
424 	struct mutex		 mutex;
425 	struct completion	 done;
426 	u8			 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
427 	u8			 status;	/* current command status */
428 }MPT_SAS_MGMT;
429 
430 /*
431  *  Event Structure and define
432  */
433 #define MPTCTL_EVENT_LOG_SIZE		(0x000000032)
434 typedef struct _mpt_ioctl_events {
435 	u32	event;		/* Specified by define above */
436 	u32	eventContext;	/* Index or counter */
437 	int	data[2];	/* First 8 bytes of Event Data */
438 } MPT_IOCTL_EVENTS;
439 
440 /*
441  * CONFIGPARM status  defines
442  */
443 #define MPT_CONFIG_GOOD		MPI_IOCSTATUS_SUCCESS
444 #define MPT_CONFIG_ERROR	0x002F
445 
446 /*
447  *	Substructure to store SCSI specific configuration page data
448  */
449 						/* dvStatus defines: */
450 #define MPT_SCSICFG_USE_NVRAM		0x01	/* WriteSDP1 using NVRAM */
451 #define MPT_SCSICFG_ALL_IDS		0x02	/* WriteSDP1 to all IDS */
452 /* #define MPT_SCSICFG_BLK_NEGO		0x10	   WriteSDP1 with WDTR and SDTR disabled */
453 
454 typedef	struct _SpiCfgData {
455 	u32		 PortFlags;
456 	int		*nvram;			/* table of device NVRAM values */
457 	IOCPage4_t	*pIocPg4;		/* SEP devices addressing */
458 	dma_addr_t	 IocPg4_dma;		/* Phys Addr of IOCPage4 data */
459 	int		 IocPg4Sz;		/* IOCPage4 size */
460 	u8		 minSyncFactor;		/* 0xFF if async */
461 	u8		 maxSyncOffset;		/* 0 if async */
462 	u8		 maxBusWidth;		/* 0 if narrow, 1 if wide */
463 	u8		 busType;		/* SE, LVD, HD */
464 	u8		 sdp1version;		/* SDP1 version */
465 	u8		 sdp1length;		/* SDP1 length  */
466 	u8		 sdp0version;		/* SDP0 version */
467 	u8		 sdp0length;		/* SDP0 length  */
468 	u8		 dvScheduled;		/* 1 if scheduled */
469 	u8		 noQas;			/* Disable QAS for this adapter */
470 	u8		 Saf_Te;		/* 1 to force all Processors as
471 						 * SAF-TE if Inquiry data length
472 						 * is too short to check for SAF-TE
473 						 */
474 	u8		 bus_reset;		/* 1 to allow bus reset */
475 	u8		 rsvd[1];
476 }SpiCfgData;
477 
478 typedef	struct _SasCfgData {
479 	u8		 ptClear;		/* 1 to automatically clear the
480 						 * persistent table.
481 						 * 0 to disable
482 						 * automatic clearing.
483 						 */
484 }SasCfgData;
485 
486 typedef	struct _RaidCfgData {
487 	IOCPage2_t	*pIocPg2;		/* table of Raid Volumes */
488 	IOCPage3_t	*pIocPg3;		/* table of physical disks */
489 	int		 isRaid;		/* bit field, 1 if RAID */
490 }RaidCfgData;
491 
492 typedef struct _FcCfgData {
493 	/* will ultimately hold fc_port_page0 also */
494 	struct {
495 		FCPortPage1_t	*data;
496 		dma_addr_t	 dma;
497 		int		 pg_sz;
498 	}			 fc_port_page1[2];
499 } FcCfgData;
500 
501 #define MPT_RPORT_INFO_FLAGS_REGISTERED	0x01	/* rport registered */
502 #define MPT_RPORT_INFO_FLAGS_MISSING	0x02	/* missing from DevPage0 scan */
503 
504 /*
505  * data allocated for each fc rport device
506  */
507 struct mptfc_rport_info
508 {
509 	struct list_head list;
510 	struct fc_rport *rport;
511 	struct scsi_target *starget;
512 	FCDevicePage0_t pg0;
513 	u8		flags;
514 };
515 
516 /*
517  *  Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
518  */
519 typedef struct _MPT_ADAPTER
520 {
521 	int			 id;		/* Unique adapter id N {0,1,2,...} */
522 	int			 pci_irq;	/* This irq           */
523 	char			 name[MPT_NAME_LENGTH];	/* "iocN"             */
524 	char			*prod_name;	/* "LSIFC9x9"         */
525 	SYSIF_REGS __iomem	*chip;		/* == c8817000 (mmap) */
526 	SYSIF_REGS __iomem	*pio_chip;	/* Programmed IO (downloadboot) */
527 	u8			 bus_type;
528 	u32			 mem_phys;	/* == f4020000 (mmap) */
529 	u32			 pio_mem_phys;	/* Programmed IO (downloadboot) */
530 	int			 mem_size;	/* mmap memory size */
531 	int			 alloc_total;
532 	u32			 last_state;
533 	int			 active;
534 	u8			*alloc;		/* frames alloc ptr */
535 	dma_addr_t		 alloc_dma;
536 	u32			 alloc_sz;
537 	MPT_FRAME_HDR		*reply_frames;	/* Reply msg frames - rounded up! */
538 	u32			 reply_frames_low_dma;
539 	int			 reply_depth;	/* Num Allocated reply frames */
540 	int			 reply_sz;	/* Reply frame size */
541 	int			 num_chain;	/* Number of chain buffers */
542 		/* Pool of buffers for chaining. ReqToChain
543 		 * and ChainToChain track index of chain buffers.
544 		 * ChainBuffer (DMA) virt/phys addresses.
545 		 * FreeChainQ (lock) locking mechanisms.
546 		 */
547 	int			*ReqToChain;
548 	int			*RequestNB;
549 	int			*ChainToChain;
550 	u8			*ChainBuffer;
551 	dma_addr_t		 ChainBufferDMA;
552 	struct list_head	 FreeChainQ;
553 	spinlock_t		 FreeChainQlock;
554 		/* We (host driver) get to manage our own RequestQueue! */
555 	dma_addr_t		 req_frames_dma;
556 	MPT_FRAME_HDR		*req_frames;	/* Request msg frames - rounded up! */
557 	u32			 req_frames_low_dma;
558 	int			 req_depth;	/* Number of request frames */
559 	int			 req_sz;	/* Request frame size (bytes) */
560 	spinlock_t		 FreeQlock;
561 	struct list_head	 FreeQ;
562 		/* Pool of SCSI sense buffers for commands coming from
563 		 * the SCSI mid-layer.  We have one 256 byte sense buffer
564 		 * for each REQ entry.
565 		 */
566 	u8			*sense_buf_pool;
567 	dma_addr_t		 sense_buf_pool_dma;
568 	u32			 sense_buf_low_dma;
569 	u8			*HostPageBuffer; /* SAS - host page buffer support */
570 	u32			HostPageBuffer_sz;
571 	dma_addr_t		HostPageBuffer_dma;
572 	int			 mtrr_reg;
573 	struct pci_dev		*pcidev;	/* struct pci_dev pointer */
574 	u8			__iomem *memmap;	/* mmap address */
575 	struct Scsi_Host	*sh;		/* Scsi Host pointer */
576 	SpiCfgData		spi_data;	/* Scsi config. data */
577 	RaidCfgData		raid_data;	/* Raid config. data */
578 	SasCfgData		sas_data;	/* Sas config. data */
579 	FcCfgData		fc_data;	/* Fc config. data */
580 	MPT_IOCTL		*ioctl;		/* ioctl data pointer */
581 	struct proc_dir_entry	*ioc_dentry;
582 	struct _MPT_ADAPTER	*alt_ioc;	/* ptr to 929 bound adapter port */
583 	spinlock_t		 diagLock;	/* diagnostic reset lock */
584 	int			 diagPending;
585 	u32			 biosVersion;	/* BIOS version from IO Unit Page 2 */
586 	int			 eventTypes;	/* Event logging parameters */
587 	int			 eventContext;	/* Next event context */
588 	int			 eventLogSize;	/* Max number of cached events */
589 	struct _mpt_ioctl_events *events;	/* pointer to event log */
590 	u8			*cached_fw;	/* Pointer to FW */
591 	dma_addr_t	 	cached_fw_dma;
592 	struct list_head	 configQ;	/* linked list of config. requests */
593 	int			 hs_reply_idx;
594 #ifndef MFCNT
595 	u32			 pad0;
596 #else
597 	u32			 mfcnt;
598 #endif
599 	u32			 NB_for_64_byte_frame;
600 	u32			 hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
601 	u16			 hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
602 	IOCFactsReply_t		 facts;
603 	PortFactsReply_t	 pfacts[2];
604 	FCPortPage0_t		 fc_port_page0[2];
605 	struct timer_list	 persist_timer;	/* persist table timer */
606 	int			 persist_wait_done; /* persist completion flag */
607 	u8			 persist_reply_frame[MPT_DEFAULT_FRAME_SIZE]; /* persist reply */
608 	LANPage0_t		 lan_cnfg_page0;
609 	LANPage1_t		 lan_cnfg_page1;
610 	/*
611 	 * Description: errata_flag_1064
612 	 * If a PCIX read occurs within 1 or 2 cycles after the chip receives
613 	 * a split completion for a read data, an internal address pointer incorrectly
614 	 * increments by 32 bytes
615 	 */
616 	int			 errata_flag_1064;
617 	int			 aen_event_read_flag; /* flag to indicate event log was read*/
618 	u8			 FirstWhoInit;
619 	u8			 upload_fw;	/* If set, do a fw upload */
620 	u8			 reload_fw;	/* Force a FW Reload on next reset */
621 	u8			 NBShiftFactor;  /* NB Shift Factor based on Block Size (Facts)  */
622 	u8			 pad1[4];
623 	int			 DoneCtx;
624 	int			 TaskCtx;
625 	int			 InternalCtx;
626 	spinlock_t		 initializing_hba_lock;
627 	int 	 		 initializing_hba_lock_flag;
628 	struct list_head	 list;
629 	struct net_device	*netdev;
630 	struct list_head	 sas_topology;
631 	struct mutex		 sas_topology_mutex;
632 	struct mutex		 sas_discovery_mutex;
633 	u8			 sas_discovery_runtime;
634 	u8			 sas_discovery_ignore_events;
635 	u16			 handle;
636 	int			 sas_index; /* index refrencing */
637 	MPT_SAS_MGMT		 sas_mgmt;
638 	struct work_struct	 sas_persist_task;
639 
640 	struct work_struct	 fc_setup_reset_work;
641 	struct list_head	 fc_rports;
642 	spinlock_t		 fc_rescan_work_lock;
643 	struct work_struct	 fc_rescan_work;
644 	char			 fc_rescan_work_q_name[KOBJ_NAME_LEN];
645 	struct workqueue_struct *fc_rescan_work_q;
646 } MPT_ADAPTER;
647 
648 /*
649  *  New return value convention:
650  *    1 = Ok to free associated request frame
651  *    0 = not Ok ...
652  */
653 typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
654 typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
655 typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
656 /* reset_phase defs */
657 #define MPT_IOC_PRE_RESET		0
658 #define MPT_IOC_POST_RESET		1
659 #define MPT_IOC_SETUP_RESET		2
660 
661 /*
662  * Invent MPT host event (super-set of MPI Events)
663  * Fitted to 1030's 64-byte [max] request frame size
664  */
665 typedef struct _MPT_HOST_EVENT {
666 	EventNotificationReply_t	 MpiEvent;	/* 8 32-bit words! */
667 	u32				 pad[6];
668 	void				*next;
669 } MPT_HOST_EVENT;
670 
671 #define MPT_HOSTEVENT_IOC_BRINGUP	0x91
672 #define MPT_HOSTEVENT_IOC_RECOVER	0x92
673 
674 /* Define the generic types based on the size
675  * of the dma_addr_t type.
676  */
677 typedef struct _mpt_sge {
678 	u32		FlagsLength;
679 	dma_addr_t	Address;
680 } MptSge_t;
681 
682 #define mpt_addr_size() \
683 	((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SGE_FLAGS_64_BIT_ADDRESSING : \
684 		MPI_SGE_FLAGS_32_BIT_ADDRESSING)
685 
686 #define mpt_msg_flags() \
687 	((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : \
688 		MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32)
689 
690 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
691 /*
692  *  Funky (private) macros...
693  */
694 #ifdef MPT_DEBUG
695 #define dprintk(x)  printk x
696 #else
697 #define dprintk(x)
698 #endif
699 
700 #ifdef MPT_DEBUG_INIT
701 #define dinitprintk(x)  printk x
702 #define DBG_DUMP_FW_REQUEST_FRAME(mfp) \
703 	{	int  i, n = 10;						\
704 		u32 *m = (u32 *)(mfp);					\
705 		printk(KERN_INFO " ");					\
706 		for (i=0; i<n; i++)					\
707 			printk(" %08x", le32_to_cpu(m[i]));		\
708 		printk("\n");						\
709 	}
710 #else
711 #define dinitprintk(x)
712 #define DBG_DUMP_FW_REQUEST_FRAME(mfp)
713 #endif
714 
715 #ifdef MPT_DEBUG_EXIT
716 #define dexitprintk(x)  printk x
717 #else
718 #define dexitprintk(x)
719 #endif
720 
721 #if defined MPT_DEBUG_FAIL || defined (MPT_DEBUG_SG)
722 #define dfailprintk(x) printk x
723 #else
724 #define dfailprintk(x)
725 #endif
726 
727 #ifdef MPT_DEBUG_HANDSHAKE
728 #define dhsprintk(x)  printk x
729 #else
730 #define dhsprintk(x)
731 #endif
732 
733 #if defined(MPT_DEBUG_EVENTS) || defined(MPT_DEBUG_VERBOSE_EVENTS)
734 #define devtprintk(x)  printk x
735 #else
736 #define devtprintk(x)
737 #endif
738 
739 #ifdef MPT_DEBUG_VERBOSE_EVENTS
740 #define devtverboseprintk(x)  printk x
741 #else
742 #define devtverboseprintk(x)
743 #endif
744 
745 #ifdef MPT_DEBUG_RESET
746 #define drsprintk(x)  printk x
747 #else
748 #define drsprintk(x)
749 #endif
750 
751 //#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
752 #if defined(MPT_DEBUG_MSG_FRAME)
753 #define dmfprintk(x)  printk x
754 #define DBG_DUMP_REQUEST_FRAME(mfp) \
755 	{	int  i, n = 24;						\
756 		u32 *m = (u32 *)(mfp);					\
757 		for (i=0; i<n; i++) {					\
758 			if (i && ((i%8)==0))				\
759 				printk("\n");				\
760 			printk("%08x ", le32_to_cpu(m[i]));		\
761 		}							\
762 		printk("\n");						\
763 	}
764 #else
765 #define dmfprintk(x)
766 #define DBG_DUMP_REQUEST_FRAME(mfp)
767 #endif
768 
769 #ifdef MPT_DEBUG_IRQ
770 #define dirqprintk(x)  printk x
771 #else
772 #define dirqprintk(x)
773 #endif
774 
775 #ifdef MPT_DEBUG_SG
776 #define dsgprintk(x)  printk x
777 #else
778 #define dsgprintk(x)
779 #endif
780 
781 #if defined(MPT_DEBUG_DL) || defined(MPT_DEBUG)
782 #define ddlprintk(x)  printk x
783 #else
784 #define ddlprintk(x)
785 #endif
786 
787 #ifdef MPT_DEBUG_DV
788 #define ddvprintk(x)  printk x
789 #else
790 #define ddvprintk(x)
791 #endif
792 
793 #ifdef MPT_DEBUG_NEGO
794 #define dnegoprintk(x)  printk x
795 #else
796 #define dnegoprintk(x)
797 #endif
798 
799 #if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY)
800 #define ddvtprintk(x)  printk x
801 #else
802 #define ddvtprintk(x)
803 #endif
804 
805 #ifdef MPT_DEBUG_IOCTL
806 #define dctlprintk(x) printk x
807 #else
808 #define dctlprintk(x)
809 #endif
810 
811 #ifdef MPT_DEBUG_REPLY
812 #define dreplyprintk(x) printk x
813 #else
814 #define dreplyprintk(x)
815 #endif
816 
817 #ifdef DMPT_DEBUG_FC
818 #define dfcprintk(x) printk x
819 #else
820 #define dfcprintk(x)
821 #endif
822 
823 #ifdef MPT_DEBUG_TM
824 #define dtmprintk(x) printk x
825 #define DBG_DUMP_TM_REQUEST_FRAME(mfp) \
826 	{	u32 *m = (u32 *)(mfp);					\
827 		int  i, n = 13;						\
828 		printk("TM_REQUEST:\n");				\
829 		for (i=0; i<n; i++) {					\
830 			if (i && ((i%8)==0))				\
831 				printk("\n");				\
832 			printk("%08x ", le32_to_cpu(m[i]));		\
833 		}							\
834 		printk("\n");						\
835 	}
836 #define DBG_DUMP_TM_REPLY_FRAME(mfp) \
837 	{	u32 *m = (u32 *)(mfp);					\
838 		int  i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16;	\
839 		printk("TM_REPLY MessageLength=%d:\n", n);		\
840 		for (i=0; i<n; i++) {					\
841 			if (i && ((i%8)==0))				\
842 				printk("\n");				\
843 			printk(" %08x", le32_to_cpu(m[i]));		\
844 		}							\
845 		printk("\n");						\
846 	}
847 #else
848 #define dtmprintk(x)
849 #define DBG_DUMP_TM_REQUEST_FRAME(mfp)
850 #define DBG_DUMP_TM_REPLY_FRAME(mfp)
851 #endif
852 
853 #if defined(MPT_DEBUG_CONFIG) || defined(MPT_DEBUG)
854 #define dcprintk(x) printk x
855 #else
856 #define dcprintk(x)
857 #endif
858 
859 #if defined(MPT_DEBUG_SCSI) || defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
860 #define dsprintk(x) printk x
861 #else
862 #define dsprintk(x)
863 #endif
864 
865 
866 #define MPT_INDEX_2_MFPTR(ioc,idx) \
867 	(MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
868 
869 #define MFPTR_2_MPT_INDEX(ioc,mf) \
870 	(int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
871 
872 #define MPT_INDEX_2_RFPTR(ioc,idx) \
873 	(MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
874 
875 #if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
876 #define DBG_DUMP_REPLY_FRAME(mfp) \
877 	{	u32 *m = (u32 *)(mfp);					\
878 		int  i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16;	\
879 		printk(KERN_INFO " ");					\
880 		for (i=0; i<n; i++)					\
881 			printk(" %08x", le32_to_cpu(m[i]));		\
882 		printk("\n");						\
883 	}
884 #define DBG_DUMP_REQUEST_FRAME_HDR(mfp) \
885 	{	int  i, n = 3;						\
886 		u32 *m = (u32 *)(mfp);					\
887 		printk(KERN_INFO " ");					\
888 		for (i=0; i<n; i++)					\
889 			printk(" %08x", le32_to_cpu(m[i]));		\
890 		printk("\n");						\
891 	}
892 #else
893 #define DBG_DUMP_REPLY_FRAME(mfp)
894 #define DBG_DUMP_REQUEST_FRAME_HDR(mfp)
895 #endif
896 
897 // debug sas wide ports
898 #ifdef MPT_DEBUG_SAS_WIDE
899 #define dsaswideprintk(x) printk x
900 #else
901 #define dsaswideprintk(x)
902 #endif
903 
904 
905 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
906 
907 #define SCSI_STD_SENSE_BYTES    18
908 #define SCSI_STD_INQUIRY_BYTES  36
909 #define SCSI_MAX_INQUIRY_BYTES  96
910 
911 /*
912  * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
913  * Private to the driver.
914  */
915 /* LOCAL structure and fields used when processing
916  * internally generated commands. These include:
917  * bus scan, dv and config requests.
918  */
919 typedef struct _MPT_LOCAL_REPLY {
920 	ConfigPageHeader_t header;
921 	int	completion;
922 	u8	sense[SCSI_STD_SENSE_BYTES];
923 	u8	scsiStatus;
924 	u8	skip;
925 	u32	pad;
926 } MPT_LOCAL_REPLY;
927 
928 #define MPT_HOST_BUS_UNKNOWN		(0xFF)
929 #define MPT_HOST_TOO_MANY_TM		(0x05)
930 #define MPT_HOST_NVRAM_INVALID		(0xFFFFFFFF)
931 #define MPT_HOST_NO_CHAIN		(0xFFFFFFFF)
932 #define MPT_NVRAM_MASK_TIMEOUT		(0x000000FF)
933 #define MPT_NVRAM_SYNC_MASK		(0x0000FF00)
934 #define MPT_NVRAM_SYNC_SHIFT		(8)
935 #define MPT_NVRAM_DISCONNECT_ENABLE	(0x00010000)
936 #define MPT_NVRAM_ID_SCAN_ENABLE	(0x00020000)
937 #define MPT_NVRAM_LUN_SCAN_ENABLE	(0x00040000)
938 #define MPT_NVRAM_TAG_QUEUE_ENABLE	(0x00080000)
939 #define MPT_NVRAM_WIDE_DISABLE		(0x00100000)
940 #define MPT_NVRAM_BOOT_CHOICE		(0x00200000)
941 
942 /* The TM_STATE variable is used to provide strict single threading of TM
943  * requests as well as communicate TM error conditions.
944  */
945 #define TM_STATE_NONE          (0)
946 #define	TM_STATE_IN_PROGRESS   (1)
947 #define	TM_STATE_ERROR	       (2)
948 
949 typedef enum {
950 	FC,
951 	SPI,
952 	SAS
953 } BUS_TYPE;
954 
955 typedef struct _MPT_SCSI_HOST {
956 	MPT_ADAPTER		 *ioc;
957 	int			  port;
958 	u32			  pad0;
959 	struct scsi_cmnd	**ScsiLookup;
960 	VirtTarget		**Targets;
961 	MPT_LOCAL_REPLY		 *pLocal;		/* used for internal commands */
962 	struct timer_list	  timer;
963 		/* Pool of memory for holding SCpnts before doing
964 		 * OS callbacks. freeQ is the free pool.
965 		 */
966 	u8			  tmPending;
967 	u8			  resetPending;
968 	u8			  negoNvram;		/* DV disabled, nego NVRAM */
969 	u8			  pad1;
970 	u8                        tmState;
971 	u8			  rsvd[2];
972 	MPT_FRAME_HDR		 *cmdPtr;		/* Ptr to nonOS request */
973 	struct scsi_cmnd	 *abortSCpnt;
974 	MPT_LOCAL_REPLY		  localReply;		/* internal cmd reply struct */
975 	unsigned long		  hard_resets;		/* driver forced bus resets count */
976 	unsigned long		  soft_resets;		/* fw/external bus resets count */
977 	unsigned long		  timeouts;		/* cmd timeouts */
978 	ushort			  sel_timeout[MPT_MAX_FC_DEVICES];
979 	char 			  *info_kbuf;
980 	wait_queue_head_t	  scandv_waitq;
981 	int			  scandv_wait_done;
982 	long			  last_queue_full;
983 	u16			  tm_iocstatus;
984 } MPT_SCSI_HOST;
985 
986 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
987 /*
988  *	More Dynamic Multi-Pathing stuff...
989  */
990 
991 /* Forward decl, a strange C thing, to prevent gcc compiler warnings */
992 struct scsi_cmnd;
993 
994 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
995 /*
996  * Generic structure passed to the base mpt_config function.
997  */
998 typedef struct _x_config_parms {
999 	struct list_head	 linkage;	/* linked list */
1000 	struct timer_list	 timer;		/* timer function for this request  */
1001 	union {
1002 		ConfigExtendedPageHeader_t	*ehdr;
1003 		ConfigPageHeader_t	*hdr;
1004 	} cfghdr;
1005 	dma_addr_t		 physAddr;
1006 	int			 wait_done;	/* wait for this request */
1007 	u32			 pageAddr;	/* properly formatted */
1008 	u8			 action;
1009 	u8			 dir;
1010 	u8			 timeout;	/* seconds */
1011 	u8			 pad1;
1012 	u16			 status;
1013 	u16			 pad2;
1014 } CONFIGPARMS;
1015 
1016 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1017 /*
1018  *  Public entry points...
1019  */
1020 extern int	 mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
1021 extern void	 mpt_detach(struct pci_dev *pdev);
1022 #ifdef CONFIG_PM
1023 extern int	 mpt_suspend(struct pci_dev *pdev, pm_message_t state);
1024 extern int	 mpt_resume(struct pci_dev *pdev);
1025 #endif
1026 extern int	 mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
1027 extern void	 mpt_deregister(int cb_idx);
1028 extern int	 mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc);
1029 extern void	 mpt_event_deregister(int cb_idx);
1030 extern int	 mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func);
1031 extern void	 mpt_reset_deregister(int cb_idx);
1032 extern int	 mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx);
1033 extern void	 mpt_device_driver_deregister(int cb_idx);
1034 extern MPT_FRAME_HDR	*mpt_get_msg_frame(int handle, MPT_ADAPTER *ioc);
1035 extern void	 mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
1036 extern void	 mpt_put_msg_frame(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
1037 extern void	 mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr);
1038 
1039 extern int	 mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
1040 extern int	 mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
1041 extern u32	 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
1042 extern void	 mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
1043 extern int	 mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
1044 extern int	 mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
1045 extern void	 mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
1046 extern void	 mpt_free_fw_memory(MPT_ADAPTER *ioc);
1047 extern int	 mpt_findImVolumes(MPT_ADAPTER *ioc);
1048 extern int	 mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
1049 
1050 /*
1051  *  Public data decl's...
1052  */
1053 extern struct list_head	  ioc_list;
1054 extern struct proc_dir_entry	*mpt_proc_root_dir;
1055 
1056 extern int		  mpt_lan_index;	/* needed by mptlan.c */
1057 extern int		  mpt_stm_index;	/* needed by mptstm.c */
1058 
1059 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1060 #endif		/* } __KERNEL__ */
1061 
1062 #if defined(__alpha__) || defined(__sparc_v9__) || defined(__ia64__) || defined(__x86_64__)
1063 #define CAST_U32_TO_PTR(x)	((void *)(u64)x)
1064 #define CAST_PTR_TO_U32(x)	((u32)(u64)x)
1065 #else
1066 #define CAST_U32_TO_PTR(x)	((void *)x)
1067 #define CAST_PTR_TO_U32(x)	((u32)x)
1068 #endif
1069 
1070 #define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
1071 	((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR)	? 'I' : 'i',	\
1072 	((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET)	? 'T' : 't',	\
1073 	((pflags) & MPI_PORTFACTS_PROTOCOL_LAN)		? 'L' : 'l',	\
1074 	((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR)	? 'B' : 'b'
1075 
1076 /*
1077  *  Shifted SGE Defines - Use in SGE with FlagsLength member.
1078  *  Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
1079  *  Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
1080  */
1081 #define MPT_TRANSFER_IOC_TO_HOST		(0x00000000)
1082 #define MPT_TRANSFER_HOST_TO_IOC		(0x04000000)
1083 #define MPT_SGE_FLAGS_LAST_ELEMENT		(0x80000000)
1084 #define MPT_SGE_FLAGS_END_OF_BUFFER		(0x40000000)
1085 #define MPT_SGE_FLAGS_LOCAL_ADDRESS		(0x08000000)
1086 #define MPT_SGE_FLAGS_DIRECTION			(0x04000000)
1087 #define MPT_SGE_FLAGS_ADDRESSING		(mpt_addr_size() << MPI_SGE_FLAGS_SHIFT)
1088 #define MPT_SGE_FLAGS_END_OF_LIST		(0x01000000)
1089 
1090 #define MPT_SGE_FLAGS_TRANSACTION_ELEMENT	(0x00000000)
1091 #define MPT_SGE_FLAGS_SIMPLE_ELEMENT		(0x10000000)
1092 #define MPT_SGE_FLAGS_CHAIN_ELEMENT		(0x30000000)
1093 #define MPT_SGE_FLAGS_ELEMENT_MASK		(0x30000000)
1094 
1095 #define MPT_SGE_FLAGS_SSIMPLE_READ \
1096 	(MPT_SGE_FLAGS_LAST_ELEMENT |	\
1097 	 MPT_SGE_FLAGS_END_OF_BUFFER |	\
1098 	 MPT_SGE_FLAGS_END_OF_LIST |	\
1099 	 MPT_SGE_FLAGS_SIMPLE_ELEMENT |	\
1100 	 MPT_SGE_FLAGS_ADDRESSING | \
1101 	 MPT_TRANSFER_IOC_TO_HOST)
1102 #define MPT_SGE_FLAGS_SSIMPLE_WRITE \
1103 	(MPT_SGE_FLAGS_LAST_ELEMENT |	\
1104 	 MPT_SGE_FLAGS_END_OF_BUFFER |	\
1105 	 MPT_SGE_FLAGS_END_OF_LIST |	\
1106 	 MPT_SGE_FLAGS_SIMPLE_ELEMENT |	\
1107 	 MPT_SGE_FLAGS_ADDRESSING | \
1108 	 MPT_TRANSFER_HOST_TO_IOC)
1109 
1110 /*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1111 #endif
1112 
1113