xref: /freebsd/sys/dev/mrsas/mrsas.h (revision 09a53ad8f1318c5daae6cfb19d97f4f6459f0013)
1 /*
2  * Copyright (c) 2015, AVAGO Tech. All rights reserved. Authors: Marian Choy
3  * Copyright (c) 2014, LSI Corp. All rights reserved. Authors: Marian Choy
4  * Support: freebsdraid@avagotech.com
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are
8  * met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice,
11  * this list of conditions and the following disclaimer. 2. Redistributions
12  * in binary form must reproduce the above copyright notice, this list of
13  * conditions and the following disclaimer in the documentation and/or other
14  * materials provided with the distribution. 3. Neither the name of the
15  * <ORGANIZATION> nor the names of its contributors may be used to endorse or
16  * promote products derived from this software without specific prior written
17  * permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  *
31  * The views and conclusions contained in the software and documentation are
32  * those of the authors and should not be interpreted as representing
33  * official policies,either expressed or implied, of the FreeBSD Project.
34  *
35  * Send feedback to: <megaraidfbsd@avagotech.com> Mail to: AVAGO TECHNOLOGIES, 1621
36  * Barber Lane, Milpitas, CA 95035 ATTN: MegaRaid FreeBSD
37  *
38  */
39 
40 #include <sys/cdefs.h>
41 __FBSDID("$FreeBSD$");
42 
43 #ifndef MRSAS_H
44 #define	MRSAS_H
45 
46 #include <sys/param.h>			/* defines used in kernel.h */
47 #include <sys/module.h>
48 #include <sys/systm.h>
49 #include <sys/proc.h>
50 #include <sys/errno.h>
51 #include <sys/kernel.h>			/* types used in module initialization */
52 #include <sys/conf.h>			/* cdevsw struct */
53 #include <sys/uio.h>			/* uio struct */
54 #include <sys/malloc.h>
55 #include <sys/bus.h>			/* structs, prototypes for pci bus
56 					 * stuff */
57 #include <sys/rman.h>
58 #include <sys/types.h>
59 #include <sys/lock.h>
60 #include <sys/sema.h>
61 #include <sys/sysctl.h>
62 #include <sys/stat.h>
63 #include <sys/taskqueue.h>
64 #include <sys/poll.h>
65 #include <sys/selinfo.h>
66 
67 #include <machine/bus.h>
68 #include <machine/resource.h>
69 #include <machine/atomic.h>
70 
71 #include <dev/pci/pcivar.h>		/* For pci_get macros! */
72 #include <dev/pci/pcireg.h>
73 
74 
75 #define	IOCTL_SEMA_DESCRIPTION	"mrsas semaphore for MFI pool"
76 
77 /*
78  * Device IDs and PCI
79  */
80 #define	MRSAS_TBOLT			0x005b
81 #define	MRSAS_INVADER		0x005d
82 #define	MRSAS_FURY			0x005f
83 #define	MRSAS_INTRUDER		0x00ce
84 #define	MRSAS_INTRUDER_24	0x00cf
85 #define	MRSAS_CUTLASS_52	0x0052
86 #define	MRSAS_CUTLASS_53	0x0053
87 #define	MRSAS_PCI_BAR0		0x10
88 #define	MRSAS_PCI_BAR1		0x14
89 #define	MRSAS_PCI_BAR2		0x1C
90 
91 /*
92  * Firmware State Defines
93  */
94 #define	MRSAS_FWSTATE_MAXCMD_MASK		0x0000FFFF
95 #define	MRSAS_FWSTATE_SGE_MASK			0x00FF0000
96 #define	MRSAS_FW_STATE_CHNG_INTERRUPT	1
97 
98 /*
99  * Message Frame Defines
100  */
101 #define	MRSAS_SENSE_LEN					96
102 #define	MRSAS_FUSION_MAX_RESET_TRIES	3
103 
104 /*
105  * Miscellaneous Defines
106  */
107 #define	BYTE_ALIGNMENT					1
108 #define	MRSAS_MAX_NAME_LENGTH			32
109 #define	MRSAS_VERSION					"06.709.07.00-fbsd"
110 #define	MRSAS_ULONG_MAX					0xFFFFFFFFFFFFFFFF
111 #define	MRSAS_DEFAULT_TIMEOUT			0x14	/* Temporarily set */
112 #define	DONE							0
113 #define	MRSAS_PAGE_SIZE					4096
114 #define	MRSAS_RESET_NOTICE_INTERVAL		5
115 #define	MRSAS_IO_TIMEOUT				180000	/* 180 second timeout */
116 #define	MRSAS_LDIO_QUEUE_DEPTH			70	/* 70 percent as default */
117 #define	THRESHOLD_REPLY_COUNT			50
118 #define	MAX_MSIX_COUNT					128
119 
120 /*
121  * Boolean types
122  */
123 #if (__FreeBSD_version < 901000)
124 typedef enum _boolean {
125 	false, true
126 }	boolean;
127 
128 #endif
129 enum err {
130 	SUCCESS, FAIL
131 };
132 
133 MALLOC_DECLARE(M_MRSAS);
134 SYSCTL_DECL(_hw_mrsas);
135 
136 #define	MRSAS_INFO		(1 << 0)
137 #define	MRSAS_TRACE		(1 << 1)
138 #define	MRSAS_FAULT		(1 << 2)
139 #define	MRSAS_OCR		(1 << 3)
140 #define	MRSAS_TOUT		MRSAS_OCR
141 #define	MRSAS_AEN		(1 << 4)
142 #define	MRSAS_PRL11		(1 << 5)
143 
144 #define	mrsas_dprint(sc, level, msg, args...)       \
145 do {                                                \
146     if (sc->mrsas_debug & level)                    \
147         device_printf(sc->mrsas_dev, msg, ##args);  \
148 } while (0)
149 
150 
151 /****************************************************************************
152  * Raid Context structure which describes MegaRAID specific IO Paramenters
153  * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames
154  ****************************************************************************/
155 
156 typedef struct _RAID_CONTEXT {
157 	u_int8_t Type:4;
158 	u_int8_t nseg:4;
159 	u_int8_t resvd0;
160 	u_int16_t timeoutValue;
161 	u_int8_t regLockFlags;
162 	u_int8_t resvd1;
163 	u_int16_t VirtualDiskTgtId;
164 	u_int64_t regLockRowLBA;
165 	u_int32_t regLockLength;
166 	u_int16_t nextLMId;
167 	u_int8_t exStatus;
168 	u_int8_t status;
169 	u_int8_t RAIDFlags;
170 	u_int8_t numSGE;
171 	u_int16_t configSeqNum;
172 	u_int8_t spanArm;
173 	u_int8_t priority;		/* 0x1D MR_PRIORITY_RANGE */
174 	u_int8_t numSGEExt;		/* 0x1E 1M IO support */
175 	u_int8_t resvd2;		/* 0x1F */
176 }	RAID_CONTEXT;
177 
178 
179 /*************************************************************************
180  * MPI2 Defines
181  ************************************************************************/
182 
183 #define	MPI2_FUNCTION_IOC_INIT					(0x02)	/* IOC Init */
184 #define	MPI2_WHOINIT_HOST_DRIVER				(0x04)
185 #define	MPI2_VERSION_MAJOR						(0x02)
186 #define	MPI2_VERSION_MINOR						(0x00)
187 #define	MPI2_VERSION_MAJOR_MASK					(0xFF00)
188 #define	MPI2_VERSION_MAJOR_SHIFT				(8)
189 #define	MPI2_VERSION_MINOR_MASK					(0x00FF)
190 #define	MPI2_VERSION_MINOR_SHIFT				(0)
191 #define	MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
192                       MPI2_VERSION_MINOR)
193 #define	MPI2_HEADER_VERSION_UNIT				(0x10)
194 #define	MPI2_HEADER_VERSION_DEV					(0x00)
195 #define	MPI2_HEADER_VERSION_UNIT_MASK			(0xFF00)
196 #define	MPI2_HEADER_VERSION_UNIT_SHIFT			(8)
197 #define	MPI2_HEADER_VERSION_DEV_MASK			(0x00FF)
198 #define	MPI2_HEADER_VERSION_DEV_SHIFT			(0)
199 #define	MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) | MPI2_HEADER_VERSION_DEV)
200 #define	MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR		(0x03)
201 #define	MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG	(0x8000)
202 #define	MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG		(0x0400)
203 #define	MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP	(0x0003)
204 #define	MPI2_SCSIIO_EEDPFLAGS_CHECK_APPTAG		(0x0200)
205 #define	MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD		(0x0100)
206 #define	MPI2_SCSIIO_EEDPFLAGS_INSERT_OP			(0x0004)
207 #define	MPI2_FUNCTION_SCSI_IO_REQUEST			(0x00)	/* SCSI IO */
208 #define	MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY	(0x06)
209 #define	MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO			(0x00)
210 #define	MPI2_SGE_FLAGS_64_BIT_ADDRESSING		(0x02)
211 #define	MPI2_SCSIIO_CONTROL_WRITE				(0x01000000)
212 #define	MPI2_SCSIIO_CONTROL_READ				(0x02000000)
213 #define	MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK		(0x0E)
214 #define	MPI2_RPY_DESCRIPT_FLAGS_UNUSED			(0x0F)
215 #define	MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS	(0x00)
216 #define	MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK		(0x0F)
217 #define	MPI2_WRSEQ_FLUSH_KEY_VALUE				(0x0)
218 #define	MPI2_WRITE_SEQUENCE_OFFSET				(0x00000004)
219 #define	MPI2_WRSEQ_1ST_KEY_VALUE				(0xF)
220 #define	MPI2_WRSEQ_2ND_KEY_VALUE				(0x4)
221 #define	MPI2_WRSEQ_3RD_KEY_VALUE				(0xB)
222 #define	MPI2_WRSEQ_4TH_KEY_VALUE				(0x2)
223 #define	MPI2_WRSEQ_5TH_KEY_VALUE				(0x7)
224 #define	MPI2_WRSEQ_6TH_KEY_VALUE				(0xD)
225 
226 #ifndef MPI2_POINTER
227 #define	MPI2_POINTER	*
228 #endif
229 
230 
231 /***************************************
232  * MPI2 Structures
233  ***************************************/
234 
235 typedef struct _MPI25_IEEE_SGE_CHAIN64 {
236 	u_int64_t Address;
237 	u_int32_t Length;
238 	u_int16_t Reserved1;
239 	u_int8_t NextChainOffset;
240 	u_int8_t Flags;
241 }	MPI25_IEEE_SGE_CHAIN64, MPI2_POINTER PTR_MPI25_IEEE_SGE_CHAIN64,
242 Mpi25IeeeSgeChain64_t, MPI2_POINTER pMpi25IeeeSgeChain64_t;
243 
244 typedef struct _MPI2_SGE_SIMPLE_UNION {
245 	u_int32_t FlagsLength;
246 	union {
247 		u_int32_t Address32;
248 		u_int64_t Address64;
249 	}	u;
250 }	MPI2_SGE_SIMPLE_UNION, MPI2_POINTER PTR_MPI2_SGE_SIMPLE_UNION,
251 Mpi2SGESimpleUnion_t, MPI2_POINTER pMpi2SGESimpleUnion_t;
252 
253 typedef struct {
254 	u_int8_t CDB[20];		/* 0x00 */
255 	u_int32_t PrimaryReferenceTag;	/* 0x14 */
256 	u_int16_t PrimaryApplicationTag;/* 0x18 */
257 	u_int16_t PrimaryApplicationTagMask;	/* 0x1A */
258 	u_int32_t TransferLength;	/* 0x1C */
259 }	MPI2_SCSI_IO_CDB_EEDP32, MPI2_POINTER PTR_MPI2_SCSI_IO_CDB_EEDP32,
260 Mpi2ScsiIoCdbEedp32_t, MPI2_POINTER pMpi2ScsiIoCdbEedp32_t;
261 
262 typedef struct _MPI2_SGE_CHAIN_UNION {
263 	u_int16_t Length;
264 	u_int8_t NextChainOffset;
265 	u_int8_t Flags;
266 	union {
267 		u_int32_t Address32;
268 		u_int64_t Address64;
269 	}	u;
270 }	MPI2_SGE_CHAIN_UNION, MPI2_POINTER PTR_MPI2_SGE_CHAIN_UNION,
271 Mpi2SGEChainUnion_t, MPI2_POINTER pMpi2SGEChainUnion_t;
272 
273 typedef struct _MPI2_IEEE_SGE_SIMPLE32 {
274 	u_int32_t Address;
275 	u_int32_t FlagsLength;
276 }	MPI2_IEEE_SGE_SIMPLE32, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE32,
277 Mpi2IeeeSgeSimple32_t, MPI2_POINTER pMpi2IeeeSgeSimple32_t;
278 typedef struct _MPI2_IEEE_SGE_SIMPLE64 {
279 	u_int64_t Address;
280 	u_int32_t Length;
281 	u_int16_t Reserved1;
282 	u_int8_t Reserved2;
283 	u_int8_t Flags;
284 }	MPI2_IEEE_SGE_SIMPLE64, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE64,
285 Mpi2IeeeSgeSimple64_t, MPI2_POINTER pMpi2IeeeSgeSimple64_t;
286 
287 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION {
288 	MPI2_IEEE_SGE_SIMPLE32 Simple32;
289 	MPI2_IEEE_SGE_SIMPLE64 Simple64;
290 }	MPI2_IEEE_SGE_SIMPLE_UNION, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE_UNION,
291 Mpi2IeeeSgeSimpleUnion_t, MPI2_POINTER pMpi2IeeeSgeSimpleUnion_t;
292 
293 typedef MPI2_IEEE_SGE_SIMPLE32 MPI2_IEEE_SGE_CHAIN32;
294 typedef MPI2_IEEE_SGE_SIMPLE64 MPI2_IEEE_SGE_CHAIN64;
295 
296 typedef union _MPI2_IEEE_SGE_CHAIN_UNION {
297 	MPI2_IEEE_SGE_CHAIN32 Chain32;
298 	MPI2_IEEE_SGE_CHAIN64 Chain64;
299 }	MPI2_IEEE_SGE_CHAIN_UNION, MPI2_POINTER PTR_MPI2_IEEE_SGE_CHAIN_UNION,
300 Mpi2IeeeSgeChainUnion_t, MPI2_POINTER pMpi2IeeeSgeChainUnion_t;
301 
302 typedef union _MPI2_SGE_IO_UNION {
303 	MPI2_SGE_SIMPLE_UNION MpiSimple;
304 	MPI2_SGE_CHAIN_UNION MpiChain;
305 	MPI2_IEEE_SGE_SIMPLE_UNION IeeeSimple;
306 	MPI2_IEEE_SGE_CHAIN_UNION IeeeChain;
307 }	MPI2_SGE_IO_UNION, MPI2_POINTER PTR_MPI2_SGE_IO_UNION,
308 Mpi2SGEIOUnion_t, MPI2_POINTER pMpi2SGEIOUnion_t;
309 
310 typedef union {
311 	u_int8_t CDB32[32];
312 	MPI2_SCSI_IO_CDB_EEDP32 EEDP32;
313 	MPI2_SGE_SIMPLE_UNION SGE;
314 }	MPI2_SCSI_IO_CDB_UNION, MPI2_POINTER PTR_MPI2_SCSI_IO_CDB_UNION,
315 Mpi2ScsiIoCdb_t, MPI2_POINTER pMpi2ScsiIoCdb_t;
316 
317 /*
318  * RAID SCSI IO Request Message Total SGE count will be one less than
319  * _MPI2_SCSI_IO_REQUEST
320  */
321 typedef struct _MPI2_RAID_SCSI_IO_REQUEST {
322 	u_int16_t DevHandle;		/* 0x00 */
323 	u_int8_t ChainOffset;		/* 0x02 */
324 	u_int8_t Function;		/* 0x03 */
325 	u_int16_t Reserved1;		/* 0x04 */
326 	u_int8_t Reserved2;		/* 0x06 */
327 	u_int8_t MsgFlags;		/* 0x07 */
328 	u_int8_t VP_ID;			/* 0x08 */
329 	u_int8_t VF_ID;			/* 0x09 */
330 	u_int16_t Reserved3;		/* 0x0A */
331 	u_int32_t SenseBufferLowAddress;/* 0x0C */
332 	u_int16_t SGLFlags;		/* 0x10 */
333 	u_int8_t SenseBufferLength;	/* 0x12 */
334 	u_int8_t Reserved4;		/* 0x13 */
335 	u_int8_t SGLOffset0;		/* 0x14 */
336 	u_int8_t SGLOffset1;		/* 0x15 */
337 	u_int8_t SGLOffset2;		/* 0x16 */
338 	u_int8_t SGLOffset3;		/* 0x17 */
339 	u_int32_t SkipCount;		/* 0x18 */
340 	u_int32_t DataLength;		/* 0x1C */
341 	u_int32_t BidirectionalDataLength;	/* 0x20 */
342 	u_int16_t IoFlags;		/* 0x24 */
343 	u_int16_t EEDPFlags;		/* 0x26 */
344 	u_int32_t EEDPBlockSize;	/* 0x28 */
345 	u_int32_t SecondaryReferenceTag;/* 0x2C */
346 	u_int16_t SecondaryApplicationTag;	/* 0x30 */
347 	u_int16_t ApplicationTagTranslationMask;	/* 0x32 */
348 	u_int8_t LUN[8];		/* 0x34 */
349 	u_int32_t Control;		/* 0x3C */
350 	MPI2_SCSI_IO_CDB_UNION CDB;	/* 0x40 */
351 	RAID_CONTEXT RaidContext;	/* 0x60 */
352 	MPI2_SGE_IO_UNION SGL;		/* 0x80 */
353 }	MRSAS_RAID_SCSI_IO_REQUEST, MPI2_POINTER PTR_MRSAS_RAID_SCSI_IO_REQUEST,
354 MRSASRaidSCSIIORequest_t, MPI2_POINTER pMRSASRaidSCSIIORequest_t;
355 
356 /*
357  * MPT RAID MFA IO Descriptor.
358  */
359 typedef struct _MRSAS_RAID_MFA_IO_DESCRIPTOR {
360 	u_int32_t RequestFlags:8;
361 	u_int32_t MessageAddress1:24;	/* bits 31:8 */
362 	u_int32_t MessageAddress2;	/* bits 61:32 */
363 }	MRSAS_RAID_MFA_IO_REQUEST_DESCRIPTOR, *PMRSAS_RAID_MFA_IO_REQUEST_DESCRIPTOR;
364 
365 /* Default Request Descriptor */
366 typedef struct _MPI2_DEFAULT_REQUEST_DESCRIPTOR {
367 	u_int8_t RequestFlags;		/* 0x00 */
368 	u_int8_t MSIxIndex;		/* 0x01 */
369 	u_int16_t SMID;			/* 0x02 */
370 	u_int16_t LMID;			/* 0x04 */
371 	u_int16_t DescriptorTypeDependent;	/* 0x06 */
372 }	MPI2_DEFAULT_REQUEST_DESCRIPTOR,
373 
374 	MPI2_POINTER PTR_MPI2_DEFAULT_REQUEST_DESCRIPTOR,
375 Mpi2DefaultRequestDescriptor_t, MPI2_POINTER pMpi2DefaultRequestDescriptor_t;
376 
377 /* High Priority Request Descriptor */
378 typedef struct _MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR {
379 	u_int8_t RequestFlags;		/* 0x00 */
380 	u_int8_t MSIxIndex;		/* 0x01 */
381 	u_int16_t SMID;			/* 0x02 */
382 	u_int16_t LMID;			/* 0x04 */
383 	u_int16_t Reserved1;		/* 0x06 */
384 }	MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
385 
386 	MPI2_POINTER PTR_MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
387 Mpi2HighPriorityRequestDescriptor_t, MPI2_POINTER pMpi2HighPriorityRequestDescriptor_t;
388 
389 /* SCSI IO Request Descriptor */
390 typedef struct _MPI2_SCSI_IO_REQUEST_DESCRIPTOR {
391 	u_int8_t RequestFlags;		/* 0x00 */
392 	u_int8_t MSIxIndex;		/* 0x01 */
393 	u_int16_t SMID;			/* 0x02 */
394 	u_int16_t LMID;			/* 0x04 */
395 	u_int16_t DevHandle;		/* 0x06 */
396 }	MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
397 
398 	MPI2_POINTER PTR_MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
399 Mpi2SCSIIORequestDescriptor_t, MPI2_POINTER pMpi2SCSIIORequestDescriptor_t;
400 
401 /* SCSI Target Request Descriptor */
402 typedef struct _MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR {
403 	u_int8_t RequestFlags;		/* 0x00 */
404 	u_int8_t MSIxIndex;		/* 0x01 */
405 	u_int16_t SMID;			/* 0x02 */
406 	u_int16_t LMID;			/* 0x04 */
407 	u_int16_t IoIndex;		/* 0x06 */
408 }	MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
409 
410 	MPI2_POINTER PTR_MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
411 Mpi2SCSITargetRequestDescriptor_t, MPI2_POINTER pMpi2SCSITargetRequestDescriptor_t;
412 
413 /* RAID Accelerator Request Descriptor */
414 typedef struct _MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR {
415 	u_int8_t RequestFlags;		/* 0x00 */
416 	u_int8_t MSIxIndex;		/* 0x01 */
417 	u_int16_t SMID;			/* 0x02 */
418 	u_int16_t LMID;			/* 0x04 */
419 	u_int16_t Reserved;		/* 0x06 */
420 }	MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
421 
422 	MPI2_POINTER PTR_MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
423 Mpi2RAIDAcceleratorRequestDescriptor_t, MPI2_POINTER pMpi2RAIDAcceleratorRequestDescriptor_t;
424 
425 /* union of Request Descriptors */
426 typedef union _MRSAS_REQUEST_DESCRIPTOR_UNION {
427 	MPI2_DEFAULT_REQUEST_DESCRIPTOR Default;
428 	MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR HighPriority;
429 	MPI2_SCSI_IO_REQUEST_DESCRIPTOR SCSIIO;
430 	MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR SCSITarget;
431 	MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR RAIDAccelerator;
432 	MRSAS_RAID_MFA_IO_REQUEST_DESCRIPTOR MFAIo;
433 	union {
434 		struct {
435 			u_int32_t low;
436 			u_int32_t high;
437 		}	u;
438 		u_int64_t Words;
439 	}	addr;
440 }	MRSAS_REQUEST_DESCRIPTOR_UNION;
441 
442 /* Default Reply Descriptor */
443 typedef struct _MPI2_DEFAULT_REPLY_DESCRIPTOR {
444 	u_int8_t ReplyFlags;		/* 0x00 */
445 	u_int8_t MSIxIndex;		/* 0x01 */
446 	u_int16_t DescriptorTypeDependent1;	/* 0x02 */
447 	u_int32_t DescriptorTypeDependent2;	/* 0x04 */
448 }	MPI2_DEFAULT_REPLY_DESCRIPTOR, MPI2_POINTER PTR_MPI2_DEFAULT_REPLY_DESCRIPTOR,
449 Mpi2DefaultReplyDescriptor_t, MPI2_POINTER pMpi2DefaultReplyDescriptor_t;
450 
451 /* Address Reply Descriptor */
452 typedef struct _MPI2_ADDRESS_REPLY_DESCRIPTOR {
453 	u_int8_t ReplyFlags;		/* 0x00 */
454 	u_int8_t MSIxIndex;		/* 0x01 */
455 	u_int16_t SMID;			/* 0x02 */
456 	u_int32_t ReplyFrameAddress;	/* 0x04 */
457 }	MPI2_ADDRESS_REPLY_DESCRIPTOR, MPI2_POINTER PTR_MPI2_ADDRESS_REPLY_DESCRIPTOR,
458 Mpi2AddressReplyDescriptor_t, MPI2_POINTER pMpi2AddressReplyDescriptor_t;
459 
460 /* SCSI IO Success Reply Descriptor */
461 typedef struct _MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR {
462 	u_int8_t ReplyFlags;		/* 0x00 */
463 	u_int8_t MSIxIndex;		/* 0x01 */
464 	u_int16_t SMID;			/* 0x02 */
465 	u_int16_t TaskTag;		/* 0x04 */
466 	u_int16_t Reserved1;		/* 0x06 */
467 }	MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
468 
469 	MPI2_POINTER PTR_MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
470 Mpi2SCSIIOSuccessReplyDescriptor_t, MPI2_POINTER pMpi2SCSIIOSuccessReplyDescriptor_t;
471 
472 /* TargetAssist Success Reply Descriptor */
473 typedef struct _MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR {
474 	u_int8_t ReplyFlags;		/* 0x00 */
475 	u_int8_t MSIxIndex;		/* 0x01 */
476 	u_int16_t SMID;			/* 0x02 */
477 	u_int8_t SequenceNumber;	/* 0x04 */
478 	u_int8_t Reserved1;		/* 0x05 */
479 	u_int16_t IoIndex;		/* 0x06 */
480 }	MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
481 
482 	MPI2_POINTER PTR_MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
483 Mpi2TargetAssistSuccessReplyDescriptor_t, MPI2_POINTER pMpi2TargetAssistSuccessReplyDescriptor_t;
484 
485 /* Target Command Buffer Reply Descriptor */
486 typedef struct _MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR {
487 	u_int8_t ReplyFlags;		/* 0x00 */
488 	u_int8_t MSIxIndex;		/* 0x01 */
489 	u_int8_t VP_ID;			/* 0x02 */
490 	u_int8_t Flags;			/* 0x03 */
491 	u_int16_t InitiatorDevHandle;	/* 0x04 */
492 	u_int16_t IoIndex;		/* 0x06 */
493 }	MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
494 
495 	MPI2_POINTER PTR_MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
496 Mpi2TargetCommandBufferReplyDescriptor_t, MPI2_POINTER pMpi2TargetCommandBufferReplyDescriptor_t;
497 
498 /* RAID Accelerator Success Reply Descriptor */
499 typedef struct _MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR {
500 	u_int8_t ReplyFlags;		/* 0x00 */
501 	u_int8_t MSIxIndex;		/* 0x01 */
502 	u_int16_t SMID;			/* 0x02 */
503 	u_int32_t Reserved;		/* 0x04 */
504 }	MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
505 
506 	MPI2_POINTER PTR_MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
507 Mpi2RAIDAcceleratorSuccessReplyDescriptor_t, MPI2_POINTER pMpi2RAIDAcceleratorSuccessReplyDescriptor_t;
508 
509 /* union of Reply Descriptors */
510 typedef union _MPI2_REPLY_DESCRIPTORS_UNION {
511 	MPI2_DEFAULT_REPLY_DESCRIPTOR Default;
512 	MPI2_ADDRESS_REPLY_DESCRIPTOR AddressReply;
513 	MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR SCSIIOSuccess;
514 	MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR TargetAssistSuccess;
515 	MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR TargetCommandBuffer;
516 	MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR RAIDAcceleratorSuccess;
517 	u_int64_t Words;
518 }	MPI2_REPLY_DESCRIPTORS_UNION, MPI2_POINTER PTR_MPI2_REPLY_DESCRIPTORS_UNION,
519 Mpi2ReplyDescriptorsUnion_t, MPI2_POINTER pMpi2ReplyDescriptorsUnion_t;
520 
521 typedef union {
522 	volatile unsigned int val;
523 	unsigned int val_rdonly;
524 } mrsas_atomic_t;
525 
526 #define	mrsas_atomic_read(v)	atomic_load_acq_int(&(v)->val)
527 #define	mrsas_atomic_set(v,i)	atomic_store_rel_int(&(v)->val, i)
528 #define	mrsas_atomic_dec(v)	atomic_fetchadd_int(&(v)->val, -1)
529 #define	mrsas_atomic_inc(v)	atomic_fetchadd_int(&(v)->val, 1)
530 
531 /* IOCInit Request message */
532 typedef struct _MPI2_IOC_INIT_REQUEST {
533 	u_int8_t WhoInit;		/* 0x00 */
534 	u_int8_t Reserved1;		/* 0x01 */
535 	u_int8_t ChainOffset;		/* 0x02 */
536 	u_int8_t Function;		/* 0x03 */
537 	u_int16_t Reserved2;		/* 0x04 */
538 	u_int8_t Reserved3;		/* 0x06 */
539 	u_int8_t MsgFlags;		/* 0x07 */
540 	u_int8_t VP_ID;			/* 0x08 */
541 	u_int8_t VF_ID;			/* 0x09 */
542 	u_int16_t Reserved4;		/* 0x0A */
543 	u_int16_t MsgVersion;		/* 0x0C */
544 	u_int16_t HeaderVersion;	/* 0x0E */
545 	u_int32_t Reserved5;		/* 0x10 */
546 	u_int16_t Reserved6;		/* 0x14 */
547 	u_int8_t Reserved7;		/* 0x16 */
548 	u_int8_t HostMSIxVectors;	/* 0x17 */
549 	u_int16_t Reserved8;		/* 0x18 */
550 	u_int16_t SystemRequestFrameSize;	/* 0x1A */
551 	u_int16_t ReplyDescriptorPostQueueDepth;	/* 0x1C */
552 	u_int16_t ReplyFreeQueueDepth;	/* 0x1E */
553 	u_int32_t SenseBufferAddressHigh;	/* 0x20 */
554 	u_int32_t SystemReplyAddressHigh;	/* 0x24 */
555 	u_int64_t SystemRequestFrameBaseAddress;	/* 0x28 */
556 	u_int64_t ReplyDescriptorPostQueueAddress;	/* 0x30 */
557 	u_int64_t ReplyFreeQueueAddress;/* 0x38 */
558 	u_int64_t TimeStamp;		/* 0x40 */
559 }	MPI2_IOC_INIT_REQUEST, MPI2_POINTER PTR_MPI2_IOC_INIT_REQUEST,
560 Mpi2IOCInitRequest_t, MPI2_POINTER pMpi2IOCInitRequest_t;
561 
562 /*
563  * MR private defines
564  */
565 #define	MR_PD_INVALID			0xFFFF
566 #define	MAX_SPAN_DEPTH			8
567 #define	MAX_QUAD_DEPTH			MAX_SPAN_DEPTH
568 #define	MAX_RAIDMAP_SPAN_DEPTH	(MAX_SPAN_DEPTH)
569 #define	MAX_ROW_SIZE			32
570 #define	MAX_RAIDMAP_ROW_SIZE	(MAX_ROW_SIZE)
571 #define	MAX_LOGICAL_DRIVES		64
572 #define	MAX_LOGICAL_DRIVES_EXT	256
573 
574 #define	MAX_RAIDMAP_LOGICAL_DRIVES	(MAX_LOGICAL_DRIVES)
575 #define	MAX_RAIDMAP_VIEWS			(MAX_LOGICAL_DRIVES)
576 
577 #define	MAX_ARRAYS				128
578 #define	MAX_RAIDMAP_ARRAYS		(MAX_ARRAYS)
579 
580 #define	MAX_ARRAYS_EXT			256
581 #define	MAX_API_ARRAYS_EXT		MAX_ARRAYS_EXT
582 
583 #define	MAX_PHYSICAL_DEVICES	256
584 #define	MAX_RAIDMAP_PHYSICAL_DEVICES	(MAX_PHYSICAL_DEVICES)
585 #define	MR_DCMD_LD_MAP_GET_INFO	0x0300e101
586 #define	MR_DCMD_SYSTEM_PD_MAP_GET_INFO	0x0200e102
587 
588 
589 #define	MRSAS_MAX_PD_CHANNELS		1
590 #define	MRSAS_MAX_LD_CHANNELS		1
591 #define	MRSAS_MAX_DEV_PER_CHANNEL	256
592 #define	MRSAS_DEFAULT_INIT_ID		-1
593 #define	MRSAS_MAX_LUN				8
594 #define	MRSAS_DEFAULT_CMD_PER_LUN	256
595 #define	MRSAS_MAX_PD				(MRSAS_MAX_PD_CHANNELS * \
596 			MRSAS_MAX_DEV_PER_CHANNEL)
597 #define	MRSAS_MAX_LD_IDS			(MRSAS_MAX_LD_CHANNELS * \
598 			MRSAS_MAX_DEV_PER_CHANNEL)
599 
600 
601 #define	VD_EXT_DEBUG	0
602 
603 
604 /*******************************************************************
605  * RAID map related structures
606  ********************************************************************/
607 #pragma pack(1)
608 typedef struct _MR_DEV_HANDLE_INFO {
609 	u_int16_t curDevHdl;
610 	u_int8_t validHandles;
611 	u_int8_t reserved;
612 	u_int16_t devHandle[2];
613 }	MR_DEV_HANDLE_INFO;
614 
615 #pragma pack()
616 
617 typedef struct _MR_ARRAY_INFO {
618 	u_int16_t pd[MAX_RAIDMAP_ROW_SIZE];
619 }	MR_ARRAY_INFO;
620 
621 typedef struct _MR_QUAD_ELEMENT {
622 	u_int64_t logStart;
623 	u_int64_t logEnd;
624 	u_int64_t offsetInSpan;
625 	u_int32_t diff;
626 	u_int32_t reserved1;
627 }	MR_QUAD_ELEMENT;
628 
629 typedef struct _MR_SPAN_INFO {
630 	u_int32_t noElements;
631 	u_int32_t reserved1;
632 	MR_QUAD_ELEMENT quad[MAX_RAIDMAP_SPAN_DEPTH];
633 }	MR_SPAN_INFO;
634 
635 typedef struct _MR_LD_SPAN_ {
636 	u_int64_t startBlk;
637 	u_int64_t numBlks;
638 	u_int16_t arrayRef;
639 	u_int8_t spanRowSize;
640 	u_int8_t spanRowDataSize;
641 	u_int8_t reserved[4];
642 }	MR_LD_SPAN;
643 
644 typedef struct _MR_SPAN_BLOCK_INFO {
645 	u_int64_t num_rows;
646 	MR_LD_SPAN span;
647 	MR_SPAN_INFO block_span_info;
648 }	MR_SPAN_BLOCK_INFO;
649 
650 typedef struct _MR_LD_RAID {
651 	struct {
652 		u_int32_t fpCapable:1;
653 		u_int32_t reserved5:3;
654 		u_int32_t ldPiMode:4;
655 		u_int32_t pdPiMode:4;
656 		u_int32_t encryptionType:8;
657 		u_int32_t fpWriteCapable:1;
658 		u_int32_t fpReadCapable:1;
659 		u_int32_t fpWriteAcrossStripe:1;
660 		u_int32_t fpReadAcrossStripe:1;
661 		u_int32_t fpNonRWCapable:1;
662 		u_int32_t reserved4:7;
663 	}	capability;
664 	u_int32_t reserved6;
665 	u_int64_t size;
666 
667 	u_int8_t spanDepth;
668 	u_int8_t level;
669 	u_int8_t stripeShift;
670 	u_int8_t rowSize;
671 
672 	u_int8_t rowDataSize;
673 	u_int8_t writeMode;
674 	u_int8_t PRL;
675 	u_int8_t SRL;
676 
677 	u_int16_t targetId;
678 	u_int8_t ldState;
679 	u_int8_t regTypeReqOnWrite;
680 	u_int8_t modFactor;
681 	u_int8_t regTypeReqOnRead;
682 	u_int16_t seqNum;
683 
684 	struct {
685 		u_int32_t ldSyncRequired:1;
686 		u_int32_t regTypeReqOnReadLsValid:1;
687 		u_int32_t reserved:30;
688 	}	flags;
689 
690 	u_int8_t LUN[8];
691 	u_int8_t fpIoTimeoutForLd;
692 	u_int8_t reserved2[3];
693 	u_int32_t logicalBlockLength;
694 	struct {
695 		u_int32_t LdPiExp:4;
696 		u_int32_t LdLogicalBlockExp:4;
697 		u_int32_t reserved1:24;
698 	}	exponent;
699 	u_int8_t reserved3[0x80 - 0x38];
700 }	MR_LD_RAID;
701 
702 typedef struct _MR_LD_SPAN_MAP {
703 	MR_LD_RAID ldRaid;
704 	u_int8_t dataArmMap[MAX_RAIDMAP_ROW_SIZE];
705 	MR_SPAN_BLOCK_INFO spanBlock[MAX_RAIDMAP_SPAN_DEPTH];
706 }	MR_LD_SPAN_MAP;
707 
708 typedef struct _MR_FW_RAID_MAP {
709 	u_int32_t totalSize;
710 	union {
711 		struct {
712 			u_int32_t maxLd;
713 			u_int32_t maxSpanDepth;
714 			u_int32_t maxRowSize;
715 			u_int32_t maxPdCount;
716 			u_int32_t maxArrays;
717 		}	validationInfo;
718 		u_int32_t version[5];
719 		u_int32_t reserved1[5];
720 	}	raid_desc;
721 	u_int32_t ldCount;
722 	u_int32_t Reserved1;
723 
724 	/*
725 	 * This doesn't correspond to FW Ld Tgt Id to LD, but will purge. For
726 	 * example: if tgt Id is 4 and FW LD is 2, and there is only one LD,
727 	 * FW will populate the array like this. [0xFF, 0xFF, 0xFF, 0xFF,
728 	 * 0x0,.....]. This is to help reduce the entire strcture size if
729 	 * there are few LDs or driver is looking info for 1 LD only.
730 	 */
731 	u_int8_t ldTgtIdToLd[MAX_RAIDMAP_LOGICAL_DRIVES + MAX_RAIDMAP_VIEWS];
732 	u_int8_t fpPdIoTimeoutSec;
733 	u_int8_t reserved2[7];
734 	MR_ARRAY_INFO arMapInfo[MAX_RAIDMAP_ARRAYS];
735 	MR_DEV_HANDLE_INFO devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES];
736 	MR_LD_SPAN_MAP ldSpanMap[1];
737 }	MR_FW_RAID_MAP;
738 
739 
740 typedef struct _MR_FW_RAID_MAP_EXT {
741 	/* Not used in new map */
742 	u_int32_t reserved;
743 
744 	union {
745 		struct {
746 			u_int32_t maxLd;
747 			u_int32_t maxSpanDepth;
748 			u_int32_t maxRowSize;
749 			u_int32_t maxPdCount;
750 			u_int32_t maxArrays;
751 		}	validationInfo;
752 		u_int32_t version[5];
753 		u_int32_t reserved1[5];
754 	}	fw_raid_desc;
755 
756 	u_int8_t fpPdIoTimeoutSec;
757 	u_int8_t reserved2[7];
758 
759 	u_int16_t ldCount;
760 	u_int16_t arCount;
761 	u_int16_t spanCount;
762 	u_int16_t reserve3;
763 
764 	MR_DEV_HANDLE_INFO devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES];
765 	u_int8_t ldTgtIdToLd[MAX_LOGICAL_DRIVES_EXT];
766 	MR_ARRAY_INFO arMapInfo[MAX_API_ARRAYS_EXT];
767 	MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES_EXT];
768 }	MR_FW_RAID_MAP_EXT;
769 
770 
771 typedef struct _MR_DRV_RAID_MAP {
772 	/*
773 	 * Total size of this structure, including this field. This feild
774 	 * will be manupulated by driver for ext raid map, else pick the
775 	 * value from firmware raid map.
776 	 */
777 	u_int32_t totalSize;
778 
779 	union {
780 		struct {
781 			u_int32_t maxLd;
782 			u_int32_t maxSpanDepth;
783 			u_int32_t maxRowSize;
784 			u_int32_t maxPdCount;
785 			u_int32_t maxArrays;
786 		}	validationInfo;
787 		u_int32_t version[5];
788 		u_int32_t reserved1[5];
789 	}	drv_raid_desc;
790 
791 	/* timeout value used by driver in FP IOs */
792 	u_int8_t fpPdIoTimeoutSec;
793 	u_int8_t reserved2[7];
794 
795 	u_int16_t ldCount;
796 	u_int16_t arCount;
797 	u_int16_t spanCount;
798 	u_int16_t reserve3;
799 
800 	MR_DEV_HANDLE_INFO devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES];
801 	u_int8_t ldTgtIdToLd[MAX_LOGICAL_DRIVES_EXT];
802 	MR_ARRAY_INFO arMapInfo[MAX_API_ARRAYS_EXT];
803 	MR_LD_SPAN_MAP ldSpanMap[1];
804 
805 }	MR_DRV_RAID_MAP;
806 
807 /*
808  * Driver raid map size is same as raid map ext MR_DRV_RAID_MAP_ALL is
809  * created to sync with old raid. And it is mainly for code re-use purpose.
810  */
811 
812 #pragma pack(1)
813 typedef struct _MR_DRV_RAID_MAP_ALL {
814 
815 	MR_DRV_RAID_MAP raidMap;
816 	MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES_EXT - 1];
817 }	MR_DRV_RAID_MAP_ALL;
818 
819 #pragma pack()
820 
821 typedef struct _LD_LOAD_BALANCE_INFO {
822 	u_int8_t loadBalanceFlag;
823 	u_int8_t reserved1;
824 	mrsas_atomic_t scsi_pending_cmds[MAX_PHYSICAL_DEVICES];
825 	u_int64_t last_accessed_block[MAX_PHYSICAL_DEVICES];
826 }	LD_LOAD_BALANCE_INFO, *PLD_LOAD_BALANCE_INFO;
827 
828 /* SPAN_SET is info caclulated from span info from Raid map per ld */
829 typedef struct _LD_SPAN_SET {
830 	u_int64_t log_start_lba;
831 	u_int64_t log_end_lba;
832 	u_int64_t span_row_start;
833 	u_int64_t span_row_end;
834 	u_int64_t data_strip_start;
835 	u_int64_t data_strip_end;
836 	u_int64_t data_row_start;
837 	u_int64_t data_row_end;
838 	u_int8_t strip_offset[MAX_SPAN_DEPTH];
839 	u_int32_t span_row_data_width;
840 	u_int32_t diff;
841 	u_int32_t reserved[2];
842 }	LD_SPAN_SET, *PLD_SPAN_SET;
843 
844 typedef struct LOG_BLOCK_SPAN_INFO {
845 	LD_SPAN_SET span_set[MAX_SPAN_DEPTH];
846 }	LD_SPAN_INFO, *PLD_SPAN_INFO;
847 
848 #pragma pack(1)
849 typedef struct _MR_FW_RAID_MAP_ALL {
850 	MR_FW_RAID_MAP raidMap;
851 	MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES - 1];
852 }	MR_FW_RAID_MAP_ALL;
853 
854 #pragma pack()
855 
856 struct IO_REQUEST_INFO {
857 	u_int64_t ldStartBlock;
858 	u_int32_t numBlocks;
859 	u_int16_t ldTgtId;
860 	u_int8_t isRead;
861 	u_int16_t devHandle;
862 	u_int64_t pdBlock;
863 	u_int8_t fpOkForIo;
864 	u_int8_t IoforUnevenSpan;
865 	u_int8_t start_span;
866 	u_int8_t reserved;
867 	u_int64_t start_row;
868 	/* span[7:5], arm[4:0] */
869 	u_int8_t span_arm;
870 	u_int8_t pd_after_lb;
871 };
872 
873 /*
874  * define MR_PD_CFG_SEQ structure for system PDs
875  */
876 struct MR_PD_CFG_SEQ {
877 	u_int16_t seqNum;
878 	u_int16_t devHandle;
879 	u_int8_t reserved[4];
880 } __packed;
881 
882 struct MR_PD_CFG_SEQ_NUM_SYNC {
883 	u_int32_t size;
884 	u_int32_t count;
885 	struct MR_PD_CFG_SEQ seq[1];
886 } __packed;
887 
888 
889 typedef struct _MR_LD_TARGET_SYNC {
890 	u_int8_t targetId;
891 	u_int8_t reserved;
892 	u_int16_t seqNum;
893 }	MR_LD_TARGET_SYNC;
894 
895 #define	IEEE_SGE_FLAGS_ADDR_MASK		(0x03)
896 #define	IEEE_SGE_FLAGS_SYSTEM_ADDR		(0x00)
897 #define	IEEE_SGE_FLAGS_IOCDDR_ADDR		(0x01)
898 #define	IEEE_SGE_FLAGS_IOCPLB_ADDR		(0x02)
899 #define	IEEE_SGE_FLAGS_IOCPLBNTA_ADDR	(0x03)
900 #define	IEEE_SGE_FLAGS_CHAIN_ELEMENT	(0x80)
901 #define	IEEE_SGE_FLAGS_END_OF_LIST		(0x40)
902 
903 union desc_value {
904 	u_int64_t word;
905 	struct {
906 		u_int32_t low;
907 		u_int32_t high;
908 	}	u;
909 };
910 
911 /*******************************************************************
912  * Temporary command
913  ********************************************************************/
914 struct mrsas_tmp_dcmd {
915 	bus_dma_tag_t tmp_dcmd_tag;
916 	bus_dmamap_t tmp_dcmd_dmamap;
917 	void   *tmp_dcmd_mem;
918 	bus_addr_t tmp_dcmd_phys_addr;
919 };
920 
921 /*******************************************************************
922  * Register set, included legacy controllers 1068 and 1078,
923  * structure extended for 1078 registers
924  *******************************************************************/
925 #pragma pack(1)
926 typedef struct _mrsas_register_set {
927 	u_int32_t doorbell;		/* 0000h */
928 	u_int32_t fusion_seq_offset;	/* 0004h */
929 	u_int32_t fusion_host_diag;	/* 0008h */
930 	u_int32_t reserved_01;		/* 000Ch */
931 
932 	u_int32_t inbound_msg_0;	/* 0010h */
933 	u_int32_t inbound_msg_1;	/* 0014h */
934 	u_int32_t outbound_msg_0;	/* 0018h */
935 	u_int32_t outbound_msg_1;	/* 001Ch */
936 
937 	u_int32_t inbound_doorbell;	/* 0020h */
938 	u_int32_t inbound_intr_status;	/* 0024h */
939 	u_int32_t inbound_intr_mask;	/* 0028h */
940 
941 	u_int32_t outbound_doorbell;	/* 002Ch */
942 	u_int32_t outbound_intr_status;	/* 0030h */
943 	u_int32_t outbound_intr_mask;	/* 0034h */
944 
945 	u_int32_t reserved_1[2];	/* 0038h */
946 
947 	u_int32_t inbound_queue_port;	/* 0040h */
948 	u_int32_t outbound_queue_port;	/* 0044h */
949 
950 	u_int32_t reserved_2[9];	/* 0048h */
951 	u_int32_t reply_post_host_index;/* 006Ch */
952 	u_int32_t reserved_2_2[12];	/* 0070h */
953 
954 	u_int32_t outbound_doorbell_clear;	/* 00A0h */
955 
956 	u_int32_t reserved_3[3];	/* 00A4h */
957 
958 	u_int32_t outbound_scratch_pad;	/* 00B0h */
959 	u_int32_t outbound_scratch_pad_2;	/* 00B4h */
960 
961 	u_int32_t reserved_4[2];	/* 00B8h */
962 
963 	u_int32_t inbound_low_queue_port;	/* 00C0h */
964 
965 	u_int32_t inbound_high_queue_port;	/* 00C4h */
966 
967 	u_int32_t reserved_5;		/* 00C8h */
968 	u_int32_t res_6[11];		/* CCh */
969 	u_int32_t host_diag;
970 	u_int32_t seq_offset;
971 	u_int32_t index_registers[807];	/* 00CCh */
972 }	mrsas_reg_set;
973 
974 #pragma pack()
975 
976 /*******************************************************************
977  * Firmware Interface Defines
978  *******************************************************************
979  * MFI stands for MegaRAID SAS FW Interface. This is just a moniker
980  * for protocol between the software and firmware. Commands are
981  * issued using "message frames".
982  ******************************************************************/
983 /*
984  * FW posts its state in upper 4 bits of outbound_msg_0 register
985  */
986 #define	MFI_STATE_MASK					0xF0000000
987 #define	MFI_STATE_UNDEFINED				0x00000000
988 #define	MFI_STATE_BB_INIT				0x10000000
989 #define	MFI_STATE_FW_INIT				0x40000000
990 #define	MFI_STATE_WAIT_HANDSHAKE		0x60000000
991 #define	MFI_STATE_FW_INIT_2				0x70000000
992 #define	MFI_STATE_DEVICE_SCAN			0x80000000
993 #define	MFI_STATE_BOOT_MESSAGE_PENDING	0x90000000
994 #define	MFI_STATE_FLUSH_CACHE			0xA0000000
995 #define	MFI_STATE_READY					0xB0000000
996 #define	MFI_STATE_OPERATIONAL			0xC0000000
997 #define	MFI_STATE_FAULT					0xF0000000
998 #define	MFI_RESET_REQUIRED				0x00000001
999 #define	MFI_RESET_ADAPTER				0x00000002
1000 #define	MEGAMFI_FRAME_SIZE				64
1001 #define	MRSAS_MFI_FRAME_SIZE			1024
1002 #define	MRSAS_MFI_SENSE_SIZE			128
1003 
1004 /*
1005  * During FW init, clear pending cmds & reset state using inbound_msg_0
1006  *
1007  * ABORT        : Abort all pending cmds READY        : Move from OPERATIONAL to
1008  * READY state; discard queue info MFIMODE      : Discard (possible) low MFA
1009  * posted in 64-bit mode (??) CLR_HANDSHAKE: FW is waiting for HANDSHAKE from
1010  * BIOS or Driver HOTPLUG      : Resume from Hotplug MFI_STOP_ADP : Send
1011  * signal to FW to stop processing
1012  */
1013 
1014 #define	WRITE_SEQUENCE_OFFSET		(0x0000000FC)
1015 #define	HOST_DIAGNOSTIC_OFFSET		(0x000000F8)
1016 #define	DIAG_WRITE_ENABLE			(0x00000080)
1017 #define	DIAG_RESET_ADAPTER			(0x00000004)
1018 
1019 #define	MFI_ADP_RESET				0x00000040
1020 #define	MFI_INIT_ABORT				0x00000001
1021 #define	MFI_INIT_READY				0x00000002
1022 #define	MFI_INIT_MFIMODE			0x00000004
1023 #define	MFI_INIT_CLEAR_HANDSHAKE	0x00000008
1024 #define	MFI_INIT_HOTPLUG			0x00000010
1025 #define	MFI_STOP_ADP				0x00000020
1026 #define	MFI_RESET_FLAGS				MFI_INIT_READY|		\
1027 									MFI_INIT_MFIMODE|	\
1028 									MFI_INIT_ABORT
1029 
1030 /*
1031  * MFI frame flags
1032  */
1033 #define	MFI_FRAME_POST_IN_REPLY_QUEUE			0x0000
1034 #define	MFI_FRAME_DONT_POST_IN_REPLY_QUEUE		0x0001
1035 #define	MFI_FRAME_SGL32							0x0000
1036 #define	MFI_FRAME_SGL64							0x0002
1037 #define	MFI_FRAME_SENSE32						0x0000
1038 #define	MFI_FRAME_SENSE64						0x0004
1039 #define	MFI_FRAME_DIR_NONE						0x0000
1040 #define	MFI_FRAME_DIR_WRITE						0x0008
1041 #define	MFI_FRAME_DIR_READ						0x0010
1042 #define	MFI_FRAME_DIR_BOTH						0x0018
1043 #define	MFI_FRAME_IEEE							0x0020
1044 
1045 /*
1046  * Definition for cmd_status
1047  */
1048 #define	MFI_CMD_STATUS_POLL_MODE				0xFF
1049 
1050 /*
1051  * MFI command opcodes
1052  */
1053 #define	MFI_CMD_INIT							0x00
1054 #define	MFI_CMD_LD_READ							0x01
1055 #define	MFI_CMD_LD_WRITE						0x02
1056 #define	MFI_CMD_LD_SCSI_IO						0x03
1057 #define	MFI_CMD_PD_SCSI_IO						0x04
1058 #define	MFI_CMD_DCMD							0x05
1059 #define	MFI_CMD_ABORT							0x06
1060 #define	MFI_CMD_SMP								0x07
1061 #define	MFI_CMD_STP								0x08
1062 #define	MFI_CMD_INVALID							0xff
1063 
1064 #define	MR_DCMD_CTRL_GET_INFO					0x01010000
1065 #define	MR_DCMD_LD_GET_LIST						0x03010000
1066 #define	MR_DCMD_CTRL_CACHE_FLUSH				0x01101000
1067 #define	MR_FLUSH_CTRL_CACHE						0x01
1068 #define	MR_FLUSH_DISK_CACHE						0x02
1069 
1070 #define	MR_DCMD_CTRL_SHUTDOWN					0x01050000
1071 #define	MR_DCMD_HIBERNATE_SHUTDOWN				0x01060000
1072 #define	MR_ENABLE_DRIVE_SPINDOWN				0x01
1073 
1074 #define	MR_DCMD_CTRL_EVENT_GET_INFO				0x01040100
1075 #define	MR_DCMD_CTRL_EVENT_GET					0x01040300
1076 #define	MR_DCMD_CTRL_EVENT_WAIT					0x01040500
1077 #define	MR_DCMD_LD_GET_PROPERTIES				0x03030000
1078 
1079 #define	MR_DCMD_CLUSTER							0x08000000
1080 #define	MR_DCMD_CLUSTER_RESET_ALL				0x08010100
1081 #define	MR_DCMD_CLUSTER_RESET_LD				0x08010200
1082 #define	MR_DCMD_PD_LIST_QUERY					0x02010100
1083 
1084 #define	MR_DCMD_CTRL_MISC_CPX					0x0100e200
1085 #define	MR_DCMD_CTRL_MISC_CPX_INIT_DATA_GET		0x0100e201
1086 #define	MR_DCMD_CTRL_MISC_CPX_QUEUE_DATA		0x0100e202
1087 #define	MR_DCMD_CTRL_MISC_CPX_UNREGISTER		0x0100e203
1088 #define	MAX_MR_ROW_SIZE							32
1089 #define	MR_CPX_DIR_WRITE						1
1090 #define	MR_CPX_DIR_READ							0
1091 #define	MR_CPX_VERSION							1
1092 
1093 #define	MR_DCMD_CTRL_IO_METRICS_GET				0x01170200
1094 
1095 #define	MR_EVT_CFG_CLEARED						0x0004
1096 
1097 #define	MR_EVT_LD_STATE_CHANGE					0x0051
1098 #define	MR_EVT_PD_INSERTED						0x005b
1099 #define	MR_EVT_PD_REMOVED						0x0070
1100 #define	MR_EVT_LD_CREATED						0x008a
1101 #define	MR_EVT_LD_DELETED						0x008b
1102 #define	MR_EVT_FOREIGN_CFG_IMPORTED				0x00db
1103 #define	MR_EVT_LD_OFFLINE						0x00fc
1104 #define	MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED		0x0152
1105 #define	MR_EVT_CTRL_PERF_COLLECTION				0x017e
1106 
1107 /*
1108  * MFI command completion codes
1109  */
1110 enum MFI_STAT {
1111 	MFI_STAT_OK = 0x00,
1112 	MFI_STAT_INVALID_CMD = 0x01,
1113 	MFI_STAT_INVALID_DCMD = 0x02,
1114 	MFI_STAT_INVALID_PARAMETER = 0x03,
1115 	MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04,
1116 	MFI_STAT_ABORT_NOT_POSSIBLE = 0x05,
1117 	MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06,
1118 	MFI_STAT_APP_IN_USE = 0x07,
1119 	MFI_STAT_APP_NOT_INITIALIZED = 0x08,
1120 	MFI_STAT_ARRAY_INDEX_INVALID = 0x09,
1121 	MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a,
1122 	MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b,
1123 	MFI_STAT_DEVICE_NOT_FOUND = 0x0c,
1124 	MFI_STAT_DRIVE_TOO_SMALL = 0x0d,
1125 	MFI_STAT_FLASH_ALLOC_FAIL = 0x0e,
1126 	MFI_STAT_FLASH_BUSY = 0x0f,
1127 	MFI_STAT_FLASH_ERROR = 0x10,
1128 	MFI_STAT_FLASH_IMAGE_BAD = 0x11,
1129 	MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12,
1130 	MFI_STAT_FLASH_NOT_OPEN = 0x13,
1131 	MFI_STAT_FLASH_NOT_STARTED = 0x14,
1132 	MFI_STAT_FLUSH_FAILED = 0x15,
1133 	MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16,
1134 	MFI_STAT_LD_CC_IN_PROGRESS = 0x17,
1135 	MFI_STAT_LD_INIT_IN_PROGRESS = 0x18,
1136 	MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19,
1137 	MFI_STAT_LD_MAX_CONFIGURED = 0x1a,
1138 	MFI_STAT_LD_NOT_OPTIMAL = 0x1b,
1139 	MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c,
1140 	MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d,
1141 	MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e,
1142 	MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f,
1143 	MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
1144 	MFI_STAT_MFC_HW_ERROR = 0x21,
1145 	MFI_STAT_NO_HW_PRESENT = 0x22,
1146 	MFI_STAT_NOT_FOUND = 0x23,
1147 	MFI_STAT_NOT_IN_ENCL = 0x24,
1148 	MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25,
1149 	MFI_STAT_PD_TYPE_WRONG = 0x26,
1150 	MFI_STAT_PR_DISABLED = 0x27,
1151 	MFI_STAT_ROW_INDEX_INVALID = 0x28,
1152 	MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29,
1153 	MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a,
1154 	MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b,
1155 	MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c,
1156 	MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d,
1157 	MFI_STAT_SCSI_IO_FAILED = 0x2e,
1158 	MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f,
1159 	MFI_STAT_SHUTDOWN_FAILED = 0x30,
1160 	MFI_STAT_TIME_NOT_SET = 0x31,
1161 	MFI_STAT_WRONG_STATE = 0x32,
1162 	MFI_STAT_LD_OFFLINE = 0x33,
1163 	MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34,
1164 	MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35,
1165 	MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
1166 	MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
1167 	MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
1168 	MFI_STAT_CONFIG_SEQ_MISMATCH = 0x67,
1169 
1170 	MFI_STAT_INVALID_STATUS = 0xFF
1171 };
1172 
1173 /*
1174  * Number of mailbox bytes in DCMD message frame
1175  */
1176 #define	MFI_MBOX_SIZE	12
1177 
1178 enum MR_EVT_CLASS {
1179 
1180 	MR_EVT_CLASS_DEBUG = -2,
1181 	MR_EVT_CLASS_PROGRESS = -1,
1182 	MR_EVT_CLASS_INFO = 0,
1183 	MR_EVT_CLASS_WARNING = 1,
1184 	MR_EVT_CLASS_CRITICAL = 2,
1185 	MR_EVT_CLASS_FATAL = 3,
1186 	MR_EVT_CLASS_DEAD = 4,
1187 
1188 };
1189 
1190 enum MR_EVT_LOCALE {
1191 
1192 	MR_EVT_LOCALE_LD = 0x0001,
1193 	MR_EVT_LOCALE_PD = 0x0002,
1194 	MR_EVT_LOCALE_ENCL = 0x0004,
1195 	MR_EVT_LOCALE_BBU = 0x0008,
1196 	MR_EVT_LOCALE_SAS = 0x0010,
1197 	MR_EVT_LOCALE_CTRL = 0x0020,
1198 	MR_EVT_LOCALE_CONFIG = 0x0040,
1199 	MR_EVT_LOCALE_CLUSTER = 0x0080,
1200 	MR_EVT_LOCALE_ALL = 0xffff,
1201 
1202 };
1203 
1204 enum MR_EVT_ARGS {
1205 
1206 	MR_EVT_ARGS_NONE,
1207 	MR_EVT_ARGS_CDB_SENSE,
1208 	MR_EVT_ARGS_LD,
1209 	MR_EVT_ARGS_LD_COUNT,
1210 	MR_EVT_ARGS_LD_LBA,
1211 	MR_EVT_ARGS_LD_OWNER,
1212 	MR_EVT_ARGS_LD_LBA_PD_LBA,
1213 	MR_EVT_ARGS_LD_PROG,
1214 	MR_EVT_ARGS_LD_STATE,
1215 	MR_EVT_ARGS_LD_STRIP,
1216 	MR_EVT_ARGS_PD,
1217 	MR_EVT_ARGS_PD_ERR,
1218 	MR_EVT_ARGS_PD_LBA,
1219 	MR_EVT_ARGS_PD_LBA_LD,
1220 	MR_EVT_ARGS_PD_PROG,
1221 	MR_EVT_ARGS_PD_STATE,
1222 	MR_EVT_ARGS_PCI,
1223 	MR_EVT_ARGS_RATE,
1224 	MR_EVT_ARGS_STR,
1225 	MR_EVT_ARGS_TIME,
1226 	MR_EVT_ARGS_ECC,
1227 	MR_EVT_ARGS_LD_PROP,
1228 	MR_EVT_ARGS_PD_SPARE,
1229 	MR_EVT_ARGS_PD_INDEX,
1230 	MR_EVT_ARGS_DIAG_PASS,
1231 	MR_EVT_ARGS_DIAG_FAIL,
1232 	MR_EVT_ARGS_PD_LBA_LBA,
1233 	MR_EVT_ARGS_PORT_PHY,
1234 	MR_EVT_ARGS_PD_MISSING,
1235 	MR_EVT_ARGS_PD_ADDRESS,
1236 	MR_EVT_ARGS_BITMAP,
1237 	MR_EVT_ARGS_CONNECTOR,
1238 	MR_EVT_ARGS_PD_PD,
1239 	MR_EVT_ARGS_PD_FRU,
1240 	MR_EVT_ARGS_PD_PATHINFO,
1241 	MR_EVT_ARGS_PD_POWER_STATE,
1242 	MR_EVT_ARGS_GENERIC,
1243 };
1244 
1245 
1246 /*
1247  * Thunderbolt (and later) Defines
1248  */
1249 #define	MEGASAS_CHAIN_FRAME_SZ_MIN					1024
1250 #define	MFI_FUSION_ENABLE_INTERRUPT_MASK			(0x00000009)
1251 #define	MRSAS_MPI2_RAID_DEFAULT_IO_FRAME_SIZE		256
1252 #define	MRSAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST		0xF0
1253 #define	MRSAS_MPI2_FUNCTION_LD_IO_REQUEST			0xF1
1254 #define	MRSAS_LOAD_BALANCE_FLAG						0x1
1255 #define	MRSAS_DCMD_MBOX_PEND_FLAG					0x1
1256 #define	HOST_DIAG_WRITE_ENABLE						0x80
1257 #define	HOST_DIAG_RESET_ADAPTER						0x4
1258 #define	MRSAS_TBOLT_MAX_RESET_TRIES					3
1259 #define	MRSAS_MAX_MFI_CMDS							32
1260 
1261 /*
1262  * Invader Defines
1263  */
1264 #define	MPI2_TYPE_CUDA								0x2
1265 #define	MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH	0x4000
1266 #define	MR_RL_FLAGS_GRANT_DESTINATION_CPU0			0x00
1267 #define	MR_RL_FLAGS_GRANT_DESTINATION_CPU1			0x10
1268 #define	MR_RL_FLAGS_GRANT_DESTINATION_CUDA			0x80
1269 #define	MR_RL_FLAGS_SEQ_NUM_ENABLE					0x8
1270 
1271 /*
1272  * T10 PI defines
1273  */
1274 #define	MR_PROT_INFO_TYPE_CONTROLLER				0x8
1275 #define	MRSAS_SCSI_VARIABLE_LENGTH_CMD				0x7f
1276 #define	MRSAS_SCSI_SERVICE_ACTION_READ32			0x9
1277 #define	MRSAS_SCSI_SERVICE_ACTION_WRITE32			0xB
1278 #define	MRSAS_SCSI_ADDL_CDB_LEN						0x18
1279 #define	MRSAS_RD_WR_PROTECT_CHECK_ALL				0x20
1280 #define	MRSAS_RD_WR_PROTECT_CHECK_NONE				0x60
1281 #define	MRSAS_SCSIBLOCKSIZE							512
1282 
1283 /*
1284  * Raid context flags
1285  */
1286 #define	MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT	0x4
1287 #define	MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_MASK		0x30
1288 typedef enum MR_RAID_FLAGS_IO_SUB_TYPE {
1289 	MR_RAID_FLAGS_IO_SUB_TYPE_NONE = 0,
1290 	MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD = 1,
1291 }	MR_RAID_FLAGS_IO_SUB_TYPE;
1292 
1293 /*
1294  * Request descriptor types
1295  */
1296 #define	MRSAS_REQ_DESCRIPT_FLAGS_LD_IO		0x7
1297 #define	MRSAS_REQ_DESCRIPT_FLAGS_MFA		0x1
1298 #define	MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK	0x2
1299 #define	MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT	1
1300 #define	MRSAS_FP_CMD_LEN					16
1301 #define	MRSAS_FUSION_IN_RESET				0
1302 
1303 #define	RAID_CTX_SPANARM_ARM_SHIFT			(0)
1304 #define	RAID_CTX_SPANARM_ARM_MASK			(0x1f)
1305 #define	RAID_CTX_SPANARM_SPAN_SHIFT			(5)
1306 #define	RAID_CTX_SPANARM_SPAN_MASK			(0xE0)
1307 
1308 /*
1309  * Define region lock types
1310  */
1311 typedef enum _REGION_TYPE {
1312 	REGION_TYPE_UNUSED = 0,
1313 	REGION_TYPE_SHARED_READ = 1,
1314 	REGION_TYPE_SHARED_WRITE = 2,
1315 	REGION_TYPE_EXCLUSIVE = 3,
1316 }	REGION_TYPE;
1317 
1318 
1319 /*
1320  * SCSI-CAM Related Defines
1321  */
1322 #define	MRSAS_SCSI_MAX_LUNS				0
1323 #define	MRSAS_SCSI_INITIATOR_ID			255
1324 #define	MRSAS_SCSI_MAX_CMDS				8
1325 #define	MRSAS_SCSI_MAX_CDB_LEN			16
1326 #define	MRSAS_SCSI_SENSE_BUFFERSIZE		96
1327 #define	MRSAS_INTERNAL_CMDS				32
1328 
1329 #define	MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK	0x400000
1330 #define	MEGASAS_MAX_CHAIN_SIZE_MASK		0x3E0
1331 #define	MEGASAS_256K_IO					128
1332 #define	MEGASAS_1MB_IO					(MEGASAS_256K_IO * 4)
1333 
1334 /* Request types */
1335 #define	MRSAS_REQ_TYPE_INTERNAL_CMD		0x0
1336 #define	MRSAS_REQ_TYPE_AEN_FETCH		0x1
1337 #define	MRSAS_REQ_TYPE_PASSTHRU			0x2
1338 #define	MRSAS_REQ_TYPE_GETSET_PARAM		0x3
1339 #define	MRSAS_REQ_TYPE_SCSI_IO			0x4
1340 
1341 /* Request states */
1342 #define	MRSAS_REQ_STATE_FREE			0
1343 #define	MRSAS_REQ_STATE_BUSY			1
1344 #define	MRSAS_REQ_STATE_TRAN			2
1345 #define	MRSAS_REQ_STATE_COMPLETE		3
1346 
1347 typedef enum _MR_SCSI_CMD_TYPE {
1348 	READ_WRITE_LDIO = 0,
1349 	NON_READ_WRITE_LDIO = 1,
1350 	READ_WRITE_SYSPDIO = 2,
1351 	NON_READ_WRITE_SYSPDIO = 3,
1352 }	MR_SCSI_CMD_TYPE;
1353 
1354 enum mrsas_req_flags {
1355 	MRSAS_DIR_UNKNOWN = 0x1,
1356 	MRSAS_DIR_IN = 0x2,
1357 	MRSAS_DIR_OUT = 0x4,
1358 	MRSAS_DIR_NONE = 0x8,
1359 };
1360 
1361 /*
1362  * Adapter Reset States
1363  */
1364 enum {
1365 	MRSAS_HBA_OPERATIONAL = 0,
1366 	MRSAS_ADPRESET_SM_INFAULT = 1,
1367 	MRSAS_ADPRESET_SM_FW_RESET_SUCCESS = 2,
1368 	MRSAS_ADPRESET_SM_OPERATIONAL = 3,
1369 	MRSAS_HW_CRITICAL_ERROR = 4,
1370 	MRSAS_ADPRESET_INPROG_SIGN = 0xDEADDEAD,
1371 };
1372 
1373 /*
1374  * MPT Command Structure
1375  */
1376 struct mrsas_mpt_cmd {
1377 	MRSAS_RAID_SCSI_IO_REQUEST *io_request;
1378 	bus_addr_t io_request_phys_addr;
1379 	MPI2_SGE_IO_UNION *chain_frame;
1380 	bus_addr_t chain_frame_phys_addr;
1381 	u_int32_t sge_count;
1382 	u_int8_t *sense;
1383 	bus_addr_t sense_phys_addr;
1384 	u_int8_t retry_for_fw_reset;
1385 	MRSAS_REQUEST_DESCRIPTOR_UNION *request_desc;
1386 	u_int32_t sync_cmd_idx;
1387 	u_int32_t index;
1388 	u_int8_t flags;
1389 	u_int8_t pd_r1_lb;
1390 	u_int8_t load_balance;
1391 	bus_size_t length;
1392 	u_int32_t error_code;
1393 	bus_dmamap_t data_dmamap;
1394 	void   *data;
1395 	union ccb *ccb_ptr;
1396 	struct callout cm_callout;
1397 	struct mrsas_softc *sc;
1398 	TAILQ_ENTRY(mrsas_mpt_cmd) next;
1399 };
1400 
1401 /*
1402  * MFI Command Structure
1403  */
1404 struct mrsas_mfi_cmd {
1405 	union mrsas_frame *frame;
1406 	bus_dmamap_t frame_dmamap;
1407 	void   *frame_mem;
1408 	bus_addr_t frame_phys_addr;
1409 	u_int8_t *sense;
1410 	bus_dmamap_t sense_dmamap;
1411 	void   *sense_mem;
1412 	bus_addr_t sense_phys_addr;
1413 	u_int32_t index;
1414 	u_int8_t sync_cmd;
1415 	u_int8_t cmd_status;
1416 	u_int8_t abort_aen;
1417 	u_int8_t retry_for_fw_reset;
1418 	struct mrsas_softc *sc;
1419 	union ccb *ccb_ptr;
1420 	union {
1421 		struct {
1422 			u_int16_t smid;
1423 			u_int16_t resvd;
1424 		}	context;
1425 		u_int32_t frame_count;
1426 	}	cmd_id;
1427 	TAILQ_ENTRY(mrsas_mfi_cmd) next;
1428 };
1429 
1430 
1431 /*
1432  * define constants for device list query options
1433  */
1434 enum MR_PD_QUERY_TYPE {
1435 	MR_PD_QUERY_TYPE_ALL = 0,
1436 	MR_PD_QUERY_TYPE_STATE = 1,
1437 	MR_PD_QUERY_TYPE_POWER_STATE = 2,
1438 	MR_PD_QUERY_TYPE_MEDIA_TYPE = 3,
1439 	MR_PD_QUERY_TYPE_SPEED = 4,
1440 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5,
1441 };
1442 
1443 #define	MR_EVT_CFG_CLEARED						0x0004
1444 #define	MR_EVT_LD_STATE_CHANGE					0x0051
1445 #define	MR_EVT_PD_INSERTED						0x005b
1446 #define	MR_EVT_PD_REMOVED						0x0070
1447 #define	MR_EVT_LD_CREATED						0x008a
1448 #define	MR_EVT_LD_DELETED						0x008b
1449 #define	MR_EVT_FOREIGN_CFG_IMPORTED				0x00db
1450 #define	MR_EVT_LD_OFFLINE						0x00fc
1451 #define	MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED		0x0152
1452 
1453 enum MR_PD_STATE {
1454 	MR_PD_STATE_UNCONFIGURED_GOOD = 0x00,
1455 	MR_PD_STATE_UNCONFIGURED_BAD = 0x01,
1456 	MR_PD_STATE_HOT_SPARE = 0x02,
1457 	MR_PD_STATE_OFFLINE = 0x10,
1458 	MR_PD_STATE_FAILED = 0x11,
1459 	MR_PD_STATE_REBUILD = 0x14,
1460 	MR_PD_STATE_ONLINE = 0x18,
1461 	MR_PD_STATE_COPYBACK = 0x20,
1462 	MR_PD_STATE_SYSTEM = 0x40,
1463 };
1464 
1465 /*
1466  * defines the physical drive address structure
1467  */
1468 #pragma pack(1)
1469 struct MR_PD_ADDRESS {
1470 	u_int16_t deviceId;
1471 	u_int16_t enclDeviceId;
1472 
1473 	union {
1474 		struct {
1475 			u_int8_t enclIndex;
1476 			u_int8_t slotNumber;
1477 		}	mrPdAddress;
1478 		struct {
1479 			u_int8_t enclPosition;
1480 			u_int8_t enclConnectorIndex;
1481 		}	mrEnclAddress;
1482 	}	u1;
1483 	u_int8_t scsiDevType;
1484 	union {
1485 		u_int8_t connectedPortBitmap;
1486 		u_int8_t connectedPortNumbers;
1487 	}	u2;
1488 	u_int64_t sasAddr[2];
1489 };
1490 
1491 #pragma pack()
1492 
1493 /*
1494  * defines the physical drive list structure
1495  */
1496 #pragma pack(1)
1497 struct MR_PD_LIST {
1498 	u_int32_t size;
1499 	u_int32_t count;
1500 	struct MR_PD_ADDRESS addr[1];
1501 };
1502 
1503 #pragma pack()
1504 
1505 #pragma pack(1)
1506 struct mrsas_pd_list {
1507 	u_int16_t tid;
1508 	u_int8_t driveType;
1509 	u_int8_t driveState;
1510 };
1511 
1512 #pragma pack()
1513 
1514 /*
1515  * defines the logical drive reference structure
1516  */
1517 typedef union _MR_LD_REF {
1518 	struct {
1519 		u_int8_t targetId;
1520 		u_int8_t reserved;
1521 		u_int16_t seqNum;
1522 	}	ld_context;
1523 	u_int32_t ref;
1524 }	MR_LD_REF;
1525 
1526 
1527 /*
1528  * defines the logical drive list structure
1529  */
1530 #pragma pack(1)
1531 struct MR_LD_LIST {
1532 	u_int32_t ldCount;
1533 	u_int32_t reserved;
1534 	struct {
1535 		MR_LD_REF ref;
1536 		u_int8_t state;
1537 		u_int8_t reserved[3];
1538 		u_int64_t size;
1539 	}	ldList[MAX_LOGICAL_DRIVES_EXT];
1540 };
1541 
1542 #pragma pack()
1543 
1544 /*
1545  * SAS controller properties
1546  */
1547 #pragma pack(1)
1548 struct mrsas_ctrl_prop {
1549 	u_int16_t seq_num;
1550 	u_int16_t pred_fail_poll_interval;
1551 	u_int16_t intr_throttle_count;
1552 	u_int16_t intr_throttle_timeouts;
1553 	u_int8_t rebuild_rate;
1554 	u_int8_t patrol_read_rate;
1555 	u_int8_t bgi_rate;
1556 	u_int8_t cc_rate;
1557 	u_int8_t recon_rate;
1558 	u_int8_t cache_flush_interval;
1559 	u_int8_t spinup_drv_count;
1560 	u_int8_t spinup_delay;
1561 	u_int8_t cluster_enable;
1562 	u_int8_t coercion_mode;
1563 	u_int8_t alarm_enable;
1564 	u_int8_t disable_auto_rebuild;
1565 	u_int8_t disable_battery_warn;
1566 	u_int8_t ecc_bucket_size;
1567 	u_int16_t ecc_bucket_leak_rate;
1568 	u_int8_t restore_hotspare_on_insertion;
1569 	u_int8_t expose_encl_devices;
1570 	u_int8_t maintainPdFailHistory;
1571 	u_int8_t disallowHostRequestReordering;
1572 	u_int8_t abortCCOnError;
1573 	u_int8_t loadBalanceMode;
1574 	u_int8_t disableAutoDetectBackplane;
1575 	u_int8_t snapVDSpace;
1576 	/*
1577 	 * Add properties that can be controlled by a bit in the following
1578 	 * structure.
1579 	 */
1580 	struct {
1581 		u_int32_t copyBackDisabled:1;
1582 		u_int32_t SMARTerEnabled:1;
1583 		u_int32_t prCorrectUnconfiguredAreas:1;
1584 		u_int32_t useFdeOnly:1;
1585 		u_int32_t disableNCQ:1;
1586 		u_int32_t SSDSMARTerEnabled:1;
1587 		u_int32_t SSDPatrolReadEnabled:1;
1588 		u_int32_t enableSpinDownUnconfigured:1;
1589 		u_int32_t autoEnhancedImport:1;
1590 		u_int32_t enableSecretKeyControl:1;
1591 		u_int32_t disableOnlineCtrlReset:1;
1592 		u_int32_t allowBootWithPinnedCache:1;
1593 		u_int32_t disableSpinDownHS:1;
1594 		u_int32_t enableJBOD:1;
1595 		u_int32_t disableCacheBypass:1;
1596 		u_int32_t useDiskActivityForLocate:1;
1597 		u_int32_t enablePI:1;
1598 		u_int32_t preventPIImport:1;
1599 		u_int32_t useGlobalSparesForEmergency:1;
1600 		u_int32_t useUnconfGoodForEmergency:1;
1601 		u_int32_t useEmergencySparesforSMARTer:1;
1602 		u_int32_t forceSGPIOForQuadOnly:1;
1603 		u_int32_t enableConfigAutoBalance:1;
1604 		u_int32_t enableVirtualCache:1;
1605 		u_int32_t enableAutoLockRecovery:1;
1606 		u_int32_t disableImmediateIO:1;
1607 		u_int32_t disableT10RebuildAssist:1;
1608 		u_int32_t ignore64ldRestriction:1;
1609 		u_int32_t enableSwZone:1;
1610 		u_int32_t limitMaxRateSATA3G:1;
1611 		u_int32_t reserved:2;
1612 	}	OnOffProperties;
1613 	u_int8_t autoSnapVDSpace;
1614 	u_int8_t viewSpace;
1615 	u_int16_t spinDownTime;
1616 	u_int8_t reserved[24];
1617 
1618 };
1619 
1620 #pragma pack()
1621 
1622 
1623 /*
1624  * SAS controller information
1625  */
1626 struct mrsas_ctrl_info {
1627 	/*
1628 	 * PCI device information
1629 	 */
1630 	struct {
1631 		u_int16_t vendor_id;
1632 		u_int16_t device_id;
1633 		u_int16_t sub_vendor_id;
1634 		u_int16_t sub_device_id;
1635 		u_int8_t reserved[24];
1636 	} __packed pci;
1637 	/*
1638 	 * Host interface information
1639 	 */
1640 	struct {
1641 		u_int8_t PCIX:1;
1642 		u_int8_t PCIE:1;
1643 		u_int8_t iSCSI:1;
1644 		u_int8_t SAS_3G:1;
1645 		u_int8_t reserved_0:4;
1646 		u_int8_t reserved_1[6];
1647 		u_int8_t port_count;
1648 		u_int64_t port_addr[8];
1649 	} __packed host_interface;
1650 	/*
1651 	 * Device (backend) interface information
1652 	 */
1653 	struct {
1654 		u_int8_t SPI:1;
1655 		u_int8_t SAS_3G:1;
1656 		u_int8_t SATA_1_5G:1;
1657 		u_int8_t SATA_3G:1;
1658 		u_int8_t reserved_0:4;
1659 		u_int8_t reserved_1[6];
1660 		u_int8_t port_count;
1661 		u_int64_t port_addr[8];
1662 	} __packed device_interface;
1663 
1664 	u_int32_t image_check_word;
1665 	u_int32_t image_component_count;
1666 
1667 	struct {
1668 		char	name[8];
1669 		char	version[32];
1670 		char	build_date[16];
1671 		char	built_time[16];
1672 	} __packed image_component[8];
1673 
1674 	u_int32_t pending_image_component_count;
1675 
1676 	struct {
1677 		char	name[8];
1678 		char	version[32];
1679 		char	build_date[16];
1680 		char	build_time[16];
1681 	} __packed pending_image_component[8];
1682 
1683 	u_int8_t max_arms;
1684 	u_int8_t max_spans;
1685 	u_int8_t max_arrays;
1686 	u_int8_t max_lds;
1687 	char	product_name[80];
1688 	char	serial_no[32];
1689 
1690 	/*
1691 	 * Other physical/controller/operation information. Indicates the
1692 	 * presence of the hardware
1693 	 */
1694 	struct {
1695 		u_int32_t bbu:1;
1696 		u_int32_t alarm:1;
1697 		u_int32_t nvram:1;
1698 		u_int32_t uart:1;
1699 		u_int32_t reserved:28;
1700 	} __packed hw_present;
1701 
1702 	u_int32_t current_fw_time;
1703 
1704 	/*
1705 	 * Maximum data transfer sizes
1706 	 */
1707 	u_int16_t max_concurrent_cmds;
1708 	u_int16_t max_sge_count;
1709 	u_int32_t max_request_size;
1710 
1711 	/*
1712 	 * Logical and physical device counts
1713 	 */
1714 	u_int16_t ld_present_count;
1715 	u_int16_t ld_degraded_count;
1716 	u_int16_t ld_offline_count;
1717 
1718 	u_int16_t pd_present_count;
1719 	u_int16_t pd_disk_present_count;
1720 	u_int16_t pd_disk_pred_failure_count;
1721 	u_int16_t pd_disk_failed_count;
1722 
1723 	/*
1724 	 * Memory size information
1725 	 */
1726 	u_int16_t nvram_size;
1727 	u_int16_t memory_size;
1728 	u_int16_t flash_size;
1729 
1730 	/*
1731 	 * Error counters
1732 	 */
1733 	u_int16_t mem_correctable_error_count;
1734 	u_int16_t mem_uncorrectable_error_count;
1735 
1736 	/*
1737 	 * Cluster information
1738 	 */
1739 	u_int8_t cluster_permitted;
1740 	u_int8_t cluster_active;
1741 
1742 	/*
1743 	 * Additional max data transfer sizes
1744 	 */
1745 	u_int16_t max_strips_per_io;
1746 
1747 	/*
1748 	 * Controller capabilities structures
1749 	 */
1750 	struct {
1751 		u_int32_t raid_level_0:1;
1752 		u_int32_t raid_level_1:1;
1753 		u_int32_t raid_level_5:1;
1754 		u_int32_t raid_level_1E:1;
1755 		u_int32_t raid_level_6:1;
1756 		u_int32_t reserved:27;
1757 	} __packed raid_levels;
1758 
1759 	struct {
1760 		u_int32_t rbld_rate:1;
1761 		u_int32_t cc_rate:1;
1762 		u_int32_t bgi_rate:1;
1763 		u_int32_t recon_rate:1;
1764 		u_int32_t patrol_rate:1;
1765 		u_int32_t alarm_control:1;
1766 		u_int32_t cluster_supported:1;
1767 		u_int32_t bbu:1;
1768 		u_int32_t spanning_allowed:1;
1769 		u_int32_t dedicated_hotspares:1;
1770 		u_int32_t revertible_hotspares:1;
1771 		u_int32_t foreign_config_import:1;
1772 		u_int32_t self_diagnostic:1;
1773 		u_int32_t mixed_redundancy_arr:1;
1774 		u_int32_t global_hot_spares:1;
1775 		u_int32_t reserved:17;
1776 	} __packed adapter_operations;
1777 
1778 	struct {
1779 		u_int32_t read_policy:1;
1780 		u_int32_t write_policy:1;
1781 		u_int32_t io_policy:1;
1782 		u_int32_t access_policy:1;
1783 		u_int32_t disk_cache_policy:1;
1784 		u_int32_t reserved:27;
1785 	} __packed ld_operations;
1786 
1787 	struct {
1788 		u_int8_t min;
1789 		u_int8_t max;
1790 		u_int8_t reserved[2];
1791 	} __packed stripe_sz_ops;
1792 
1793 	struct {
1794 		u_int32_t force_online:1;
1795 		u_int32_t force_offline:1;
1796 		u_int32_t force_rebuild:1;
1797 		u_int32_t reserved:29;
1798 	} __packed pd_operations;
1799 
1800 	struct {
1801 		u_int32_t ctrl_supports_sas:1;
1802 		u_int32_t ctrl_supports_sata:1;
1803 		u_int32_t allow_mix_in_encl:1;
1804 		u_int32_t allow_mix_in_ld:1;
1805 		u_int32_t allow_sata_in_cluster:1;
1806 		u_int32_t reserved:27;
1807 	} __packed pd_mix_support;
1808 
1809 	/*
1810 	 * Define ECC single-bit-error bucket information
1811 	 */
1812 	u_int8_t ecc_bucket_count;
1813 	u_int8_t reserved_2[11];
1814 
1815 	/*
1816 	 * Include the controller properties (changeable items)
1817 	 */
1818 	struct mrsas_ctrl_prop properties;
1819 
1820 	/*
1821 	 * Define FW pkg version (set in envt v'bles on OEM basis)
1822 	 */
1823 	char	package_version[0x60];
1824 
1825 	u_int64_t deviceInterfacePortAddr2[8];
1826 	u_int8_t reserved3[128];
1827 
1828 	struct {
1829 		u_int16_t minPdRaidLevel_0:4;
1830 		u_int16_t maxPdRaidLevel_0:12;
1831 
1832 		u_int16_t minPdRaidLevel_1:4;
1833 		u_int16_t maxPdRaidLevel_1:12;
1834 
1835 		u_int16_t minPdRaidLevel_5:4;
1836 		u_int16_t maxPdRaidLevel_5:12;
1837 
1838 		u_int16_t minPdRaidLevel_1E:4;
1839 		u_int16_t maxPdRaidLevel_1E:12;
1840 
1841 		u_int16_t minPdRaidLevel_6:4;
1842 		u_int16_t maxPdRaidLevel_6:12;
1843 
1844 		u_int16_t minPdRaidLevel_10:4;
1845 		u_int16_t maxPdRaidLevel_10:12;
1846 
1847 		u_int16_t minPdRaidLevel_50:4;
1848 		u_int16_t maxPdRaidLevel_50:12;
1849 
1850 		u_int16_t minPdRaidLevel_60:4;
1851 		u_int16_t maxPdRaidLevel_60:12;
1852 
1853 		u_int16_t minPdRaidLevel_1E_RLQ0:4;
1854 		u_int16_t maxPdRaidLevel_1E_RLQ0:12;
1855 
1856 		u_int16_t minPdRaidLevel_1E0_RLQ0:4;
1857 		u_int16_t maxPdRaidLevel_1E0_RLQ0:12;
1858 
1859 		u_int16_t reserved[6];
1860 	}	pdsForRaidLevels;
1861 
1862 	u_int16_t maxPds;		/* 0x780 */
1863 	u_int16_t maxDedHSPs;		/* 0x782 */
1864 	u_int16_t maxGlobalHSPs;	/* 0x784 */
1865 	u_int16_t ddfSize;		/* 0x786 */
1866 	u_int8_t maxLdsPerArray;	/* 0x788 */
1867 	u_int8_t partitionsInDDF;	/* 0x789 */
1868 	u_int8_t lockKeyBinding;	/* 0x78a */
1869 	u_int8_t maxPITsPerLd;		/* 0x78b */
1870 	u_int8_t maxViewsPerLd;		/* 0x78c */
1871 	u_int8_t maxTargetId;		/* 0x78d */
1872 	u_int16_t maxBvlVdSize;		/* 0x78e */
1873 
1874 	u_int16_t maxConfigurableSSCSize;	/* 0x790 */
1875 	u_int16_t currentSSCsize;	/* 0x792 */
1876 
1877 	char	expanderFwVersion[12];	/* 0x794 */
1878 
1879 	u_int16_t PFKTrialTimeRemaining;/* 0x7A0 */
1880 
1881 	u_int16_t cacheMemorySize;	/* 0x7A2 */
1882 
1883 	struct {			/* 0x7A4 */
1884 		u_int32_t supportPIcontroller:1;
1885 		u_int32_t supportLdPIType1:1;
1886 		u_int32_t supportLdPIType2:1;
1887 		u_int32_t supportLdPIType3:1;
1888 		u_int32_t supportLdBBMInfo:1;
1889 		u_int32_t supportShieldState:1;
1890 		u_int32_t blockSSDWriteCacheChange:1;
1891 		u_int32_t supportSuspendResumeBGops:1;
1892 		u_int32_t supportEmergencySpares:1;
1893 		u_int32_t supportSetLinkSpeed:1;
1894 		u_int32_t supportBootTimePFKChange:1;
1895 		u_int32_t supportJBOD:1;
1896 		u_int32_t disableOnlinePFKChange:1;
1897 		u_int32_t supportPerfTuning:1;
1898 		u_int32_t supportSSDPatrolRead:1;
1899 		u_int32_t realTimeScheduler:1;
1900 
1901 		u_int32_t supportResetNow:1;
1902 		u_int32_t supportEmulatedDrives:1;
1903 		u_int32_t headlessMode:1;
1904 		u_int32_t dedicatedHotSparesLimited:1;
1905 
1906 
1907 		u_int32_t supportUnevenSpans:1;
1908 		u_int32_t reserved:11;
1909 	}	adapterOperations2;
1910 
1911 	u_int8_t driverVersion[32];	/* 0x7A8 */
1912 	u_int8_t maxDAPdCountSpinup60;	/* 0x7C8 */
1913 	u_int8_t temperatureROC;	/* 0x7C9 */
1914 	u_int8_t temperatureCtrl;	/* 0x7CA */
1915 	u_int8_t reserved4;		/* 0x7CB */
1916 	u_int16_t maxConfigurablePds;	/* 0x7CC */
1917 
1918 
1919 	u_int8_t reserved5[2];		/* 0x7CD reserved */
1920 
1921 	struct {
1922 		u_int32_t peerIsPresent:1;
1923 		u_int32_t peerIsIncompatible:1;
1924 
1925 		u_int32_t hwIncompatible:1;
1926 		u_int32_t fwVersionMismatch:1;
1927 		u_int32_t ctrlPropIncompatible:1;
1928 		u_int32_t premiumFeatureMismatch:1;
1929 		u_int32_t reserved:26;
1930 	}	cluster;
1931 
1932 	char	clusterId[16];		/* 0x7D4 */
1933 
1934 	char	reserved6[4];		/* 0x7E4 RESERVED FOR IOV */
1935 
1936 	struct {			/* 0x7E8 */
1937 		u_int32_t supportPersonalityChange:2;
1938 		u_int32_t supportThermalPollInterval:1;
1939 		u_int32_t supportDisableImmediateIO:1;
1940 		u_int32_t supportT10RebuildAssist:1;
1941 		u_int32_t supportMaxExtLDs:1;
1942 		u_int32_t supportCrashDump:1;
1943 		u_int32_t supportSwZone:1;
1944 		u_int32_t supportDebugQueue:1;
1945 		u_int32_t supportNVCacheErase:1;
1946 		u_int32_t supportForceTo512e:1;
1947 		u_int32_t supportHOQRebuild:1;
1948 		u_int32_t supportAllowedOpsforDrvRemoval:1;
1949 		u_int32_t supportDrvActivityLEDSetting:1;
1950 		u_int32_t supportNVDRAM:1;
1951 		u_int32_t supportForceFlash:1;
1952 		u_int32_t supportDisableSESMonitoring:1;
1953 		u_int32_t supportCacheBypassModes:1;
1954 		u_int32_t supportSecurityonJBOD:1;
1955 		u_int32_t discardCacheDuringLDDelete:1;
1956 		u_int32_t supportTTYLogCompression:1;
1957 		u_int32_t supportCPLDUpdate:1;
1958 		u_int32_t supportDiskCacheSettingForSysPDs:1;
1959 		u_int32_t supportExtendedSSCSize:1;
1960 		u_int32_t useSeqNumJbodFP:1;
1961 		u_int32_t reserved:7;
1962 	}	adapterOperations3;
1963 
1964 	u_int8_t pad[0x800 - 0x7EC];	/* 0x7EC */
1965 } __packed;
1966 
1967 /*
1968  * When SCSI mid-layer calls driver's reset routine, driver waits for
1969  * MRSAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
1970  * that the driver cannot _actually_ abort or reset pending commands. While
1971  * it is waiting for the commands to complete, it prints a diagnostic message
1972  * every MRSAS_RESET_NOTICE_INTERVAL seconds
1973  */
1974 #define	MRSAS_RESET_WAIT_TIME			180
1975 #define	MRSAS_INTERNAL_CMD_WAIT_TIME	180
1976 #define	MRSAS_IOC_INIT_WAIT_TIME		60
1977 #define	MRSAS_RESET_NOTICE_INTERVAL		5
1978 #define	MRSAS_IOCTL_CMD					0
1979 #define	MRSAS_DEFAULT_CMD_TIMEOUT		90
1980 #define	MRSAS_THROTTLE_QUEUE_DEPTH		16
1981 
1982 /*
1983  * MSI-x regsiters offset defines
1984  */
1985 #define	MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET	(0x0000030C)
1986 #define	MPI2_REPLY_POST_HOST_INDEX_OFFSET		(0x0000006C)
1987 #define	MR_MAX_REPLY_QUEUES_OFFSET				(0x0000001F)
1988 #define	MR_MAX_REPLY_QUEUES_EXT_OFFSET			(0x003FC000)
1989 #define	MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT	14
1990 #define	MR_MAX_MSIX_REG_ARRAY					16
1991 
1992 /*
1993  * FW reports the maximum of number of commands that it can accept (maximum
1994  * commands that can be outstanding) at any time. The driver must report a
1995  * lower number to the mid layer because it can issue a few internal commands
1996  * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
1997  * is shown below
1998  */
1999 #define	MRSAS_INT_CMDS			32
2000 #define	MRSAS_SKINNY_INT_CMDS	5
2001 #define	MRSAS_MAX_MSIX_QUEUES	128
2002 
2003 /*
2004  * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit SGLs
2005  * based on the size of bus_addr_t
2006  */
2007 #define	IS_DMA64							(sizeof(bus_addr_t) == 8)
2008 
2009 #define	MFI_XSCALE_OMR0_CHANGE_INTERRUPT	0x00000001
2010 #define	MFI_INTR_FLAG_REPLY_MESSAGE			0x00000001
2011 #define	MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE	0x00000002
2012 #define	MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT	0x00000004
2013 
2014 #define	MFI_OB_INTR_STATUS_MASK				0x00000002
2015 #define	MFI_POLL_TIMEOUT_SECS				60
2016 
2017 #define	MFI_REPLY_1078_MESSAGE_INTERRUPT	0x80000000
2018 #define	MFI_REPLY_GEN2_MESSAGE_INTERRUPT	0x00000001
2019 #define	MFI_GEN2_ENABLE_INTERRUPT_MASK		0x00000001
2020 #define	MFI_REPLY_SKINNY_MESSAGE_INTERRUPT	0x40000000
2021 #define	MFI_SKINNY_ENABLE_INTERRUPT_MASK	(0x00000001)
2022 #define	MFI_1068_PCSR_OFFSET				0x84
2023 #define	MFI_1068_FW_HANDSHAKE_OFFSET		0x64
2024 #define	MFI_1068_FW_READY					0xDDDD0000
2025 
2026 typedef union _MFI_CAPABILITIES {
2027 	struct {
2028 		u_int32_t support_fp_remote_lun:1;
2029 		u_int32_t support_additional_msix:1;
2030 		u_int32_t support_fastpath_wb:1;
2031 		u_int32_t support_max_255lds:1;
2032 		u_int32_t support_ndrive_r1_lb:1;
2033 		u_int32_t support_core_affinity:1;
2034 		u_int32_t security_protocol_cmds_fw:1;
2035 		u_int32_t support_ext_queue_depth:1;
2036 		u_int32_t support_ext_io_size:1;
2037 		u_int32_t reserved:23;
2038 	}	mfi_capabilities;
2039 	u_int32_t reg;
2040 }	MFI_CAPABILITIES;
2041 
2042 #pragma pack(1)
2043 struct mrsas_sge32 {
2044 	u_int32_t phys_addr;
2045 	u_int32_t length;
2046 };
2047 
2048 #pragma pack()
2049 
2050 #pragma pack(1)
2051 struct mrsas_sge64 {
2052 	u_int64_t phys_addr;
2053 	u_int32_t length;
2054 };
2055 
2056 #pragma pack()
2057 
2058 #pragma pack()
2059 union mrsas_sgl {
2060 	struct mrsas_sge32 sge32[1];
2061 	struct mrsas_sge64 sge64[1];
2062 };
2063 
2064 #pragma pack()
2065 
2066 #pragma pack(1)
2067 struct mrsas_header {
2068 	u_int8_t cmd;			/* 00e */
2069 	u_int8_t sense_len;		/* 01h */
2070 	u_int8_t cmd_status;		/* 02h */
2071 	u_int8_t scsi_status;		/* 03h */
2072 
2073 	u_int8_t target_id;		/* 04h */
2074 	u_int8_t lun;			/* 05h */
2075 	u_int8_t cdb_len;		/* 06h */
2076 	u_int8_t sge_count;		/* 07h */
2077 
2078 	u_int32_t context;		/* 08h */
2079 	u_int32_t pad_0;		/* 0Ch */
2080 
2081 	u_int16_t flags;		/* 10h */
2082 	u_int16_t timeout;		/* 12h */
2083 	u_int32_t data_xferlen;		/* 14h */
2084 };
2085 
2086 #pragma pack()
2087 
2088 #pragma pack(1)
2089 struct mrsas_init_frame {
2090 	u_int8_t cmd;			/* 00h */
2091 	u_int8_t reserved_0;		/* 01h */
2092 	u_int8_t cmd_status;		/* 02h */
2093 
2094 	u_int8_t reserved_1;		/* 03h */
2095 	MFI_CAPABILITIES driver_operations;	/* 04h */
2096 	u_int32_t context;		/* 08h */
2097 	u_int32_t pad_0;		/* 0Ch */
2098 
2099 	u_int16_t flags;		/* 10h */
2100 	u_int16_t reserved_3;		/* 12h */
2101 	u_int32_t data_xfer_len;	/* 14h */
2102 
2103 	u_int32_t queue_info_new_phys_addr_lo;	/* 18h */
2104 	u_int32_t queue_info_new_phys_addr_hi;	/* 1Ch */
2105 	u_int32_t queue_info_old_phys_addr_lo;	/* 20h */
2106 	u_int32_t queue_info_old_phys_addr_hi;	/* 24h */
2107 	u_int32_t driver_ver_lo;	/* 28h */
2108 	u_int32_t driver_ver_hi;	/* 2Ch */
2109 	u_int32_t reserved_4[4];	/* 30h */
2110 };
2111 
2112 #pragma pack()
2113 
2114 #pragma pack(1)
2115 struct mrsas_io_frame {
2116 	u_int8_t cmd;			/* 00h */
2117 	u_int8_t sense_len;		/* 01h */
2118 	u_int8_t cmd_status;		/* 02h */
2119 	u_int8_t scsi_status;		/* 03h */
2120 
2121 	u_int8_t target_id;		/* 04h */
2122 	u_int8_t access_byte;		/* 05h */
2123 	u_int8_t reserved_0;		/* 06h */
2124 	u_int8_t sge_count;		/* 07h */
2125 
2126 	u_int32_t context;		/* 08h */
2127 	u_int32_t pad_0;		/* 0Ch */
2128 
2129 	u_int16_t flags;		/* 10h */
2130 	u_int16_t timeout;		/* 12h */
2131 	u_int32_t lba_count;		/* 14h */
2132 
2133 	u_int32_t sense_buf_phys_addr_lo;	/* 18h */
2134 	u_int32_t sense_buf_phys_addr_hi;	/* 1Ch */
2135 
2136 	u_int32_t start_lba_lo;		/* 20h */
2137 	u_int32_t start_lba_hi;		/* 24h */
2138 
2139 	union mrsas_sgl sgl;		/* 28h */
2140 };
2141 
2142 #pragma pack()
2143 
2144 #pragma pack(1)
2145 struct mrsas_pthru_frame {
2146 	u_int8_t cmd;			/* 00h */
2147 	u_int8_t sense_len;		/* 01h */
2148 	u_int8_t cmd_status;		/* 02h */
2149 	u_int8_t scsi_status;		/* 03h */
2150 
2151 	u_int8_t target_id;		/* 04h */
2152 	u_int8_t lun;			/* 05h */
2153 	u_int8_t cdb_len;		/* 06h */
2154 	u_int8_t sge_count;		/* 07h */
2155 
2156 	u_int32_t context;		/* 08h */
2157 	u_int32_t pad_0;		/* 0Ch */
2158 
2159 	u_int16_t flags;		/* 10h */
2160 	u_int16_t timeout;		/* 12h */
2161 	u_int32_t data_xfer_len;	/* 14h */
2162 
2163 	u_int32_t sense_buf_phys_addr_lo;	/* 18h */
2164 	u_int32_t sense_buf_phys_addr_hi;	/* 1Ch */
2165 
2166 	u_int8_t cdb[16];		/* 20h */
2167 	union mrsas_sgl sgl;		/* 30h */
2168 };
2169 
2170 #pragma pack()
2171 
2172 #pragma pack(1)
2173 struct mrsas_dcmd_frame {
2174 	u_int8_t cmd;			/* 00h */
2175 	u_int8_t reserved_0;		/* 01h */
2176 	u_int8_t cmd_status;		/* 02h */
2177 	u_int8_t reserved_1[4];		/* 03h */
2178 	u_int8_t sge_count;		/* 07h */
2179 
2180 	u_int32_t context;		/* 08h */
2181 	u_int32_t pad_0;		/* 0Ch */
2182 
2183 	u_int16_t flags;		/* 10h */
2184 	u_int16_t timeout;		/* 12h */
2185 
2186 	u_int32_t data_xfer_len;	/* 14h */
2187 	u_int32_t opcode;		/* 18h */
2188 
2189 	union {				/* 1Ch */
2190 		u_int8_t b[12];
2191 		u_int16_t s[6];
2192 		u_int32_t w[3];
2193 	}	mbox;
2194 
2195 	union mrsas_sgl sgl;		/* 28h */
2196 };
2197 
2198 #pragma pack()
2199 
2200 #pragma pack(1)
2201 struct mrsas_abort_frame {
2202 	u_int8_t cmd;			/* 00h */
2203 	u_int8_t reserved_0;		/* 01h */
2204 	u_int8_t cmd_status;		/* 02h */
2205 
2206 	u_int8_t reserved_1;		/* 03h */
2207 	MFI_CAPABILITIES driver_operations;	/* 04h */
2208 	u_int32_t context;		/* 08h */
2209 	u_int32_t pad_0;		/* 0Ch */
2210 
2211 	u_int16_t flags;		/* 10h */
2212 	u_int16_t reserved_3;		/* 12h */
2213 	u_int32_t reserved_4;		/* 14h */
2214 
2215 	u_int32_t abort_context;	/* 18h */
2216 	u_int32_t pad_1;		/* 1Ch */
2217 
2218 	u_int32_t abort_mfi_phys_addr_lo;	/* 20h */
2219 	u_int32_t abort_mfi_phys_addr_hi;	/* 24h */
2220 
2221 	u_int32_t reserved_5[6];	/* 28h */
2222 };
2223 
2224 #pragma pack()
2225 
2226 #pragma pack(1)
2227 struct mrsas_smp_frame {
2228 	u_int8_t cmd;			/* 00h */
2229 	u_int8_t reserved_1;		/* 01h */
2230 	u_int8_t cmd_status;		/* 02h */
2231 	u_int8_t connection_status;	/* 03h */
2232 
2233 	u_int8_t reserved_2[3];		/* 04h */
2234 	u_int8_t sge_count;		/* 07h */
2235 
2236 	u_int32_t context;		/* 08h */
2237 	u_int32_t pad_0;		/* 0Ch */
2238 
2239 	u_int16_t flags;		/* 10h */
2240 	u_int16_t timeout;		/* 12h */
2241 
2242 	u_int32_t data_xfer_len;	/* 14h */
2243 	u_int64_t sas_addr;		/* 18h */
2244 
2245 	union {
2246 		struct mrsas_sge32 sge32[2];	/* [0]: resp [1]: req */
2247 		struct mrsas_sge64 sge64[2];	/* [0]: resp [1]: req */
2248 	}	sgl;
2249 };
2250 
2251 #pragma pack()
2252 
2253 
2254 #pragma pack(1)
2255 struct mrsas_stp_frame {
2256 	u_int8_t cmd;			/* 00h */
2257 	u_int8_t reserved_1;		/* 01h */
2258 	u_int8_t cmd_status;		/* 02h */
2259 	u_int8_t reserved_2;		/* 03h */
2260 
2261 	u_int8_t target_id;		/* 04h */
2262 	u_int8_t reserved_3[2];		/* 05h */
2263 	u_int8_t sge_count;		/* 07h */
2264 
2265 	u_int32_t context;		/* 08h */
2266 	u_int32_t pad_0;		/* 0Ch */
2267 
2268 	u_int16_t flags;		/* 10h */
2269 	u_int16_t timeout;		/* 12h */
2270 
2271 	u_int32_t data_xfer_len;	/* 14h */
2272 
2273 	u_int16_t fis[10];		/* 18h */
2274 	u_int32_t stp_flags;
2275 
2276 	union {
2277 		struct mrsas_sge32 sge32[2];	/* [0]: resp [1]: data */
2278 		struct mrsas_sge64 sge64[2];	/* [0]: resp [1]: data */
2279 	}	sgl;
2280 };
2281 
2282 #pragma pack()
2283 
2284 union mrsas_frame {
2285 	struct mrsas_header hdr;
2286 	struct mrsas_init_frame init;
2287 	struct mrsas_io_frame io;
2288 	struct mrsas_pthru_frame pthru;
2289 	struct mrsas_dcmd_frame dcmd;
2290 	struct mrsas_abort_frame abort;
2291 	struct mrsas_smp_frame smp;
2292 	struct mrsas_stp_frame stp;
2293 	u_int8_t raw_bytes[64];
2294 };
2295 
2296 #pragma pack(1)
2297 union mrsas_evt_class_locale {
2298 
2299 	struct {
2300 		u_int16_t locale;
2301 		u_int8_t reserved;
2302 		int8_t	class;
2303 	} __packed members;
2304 
2305 	u_int32_t word;
2306 
2307 } __packed;
2308 
2309 #pragma pack()
2310 
2311 
2312 #pragma pack(1)
2313 struct mrsas_evt_log_info {
2314 	u_int32_t newest_seq_num;
2315 	u_int32_t oldest_seq_num;
2316 	u_int32_t clear_seq_num;
2317 	u_int32_t shutdown_seq_num;
2318 	u_int32_t boot_seq_num;
2319 
2320 } __packed;
2321 
2322 #pragma pack()
2323 
2324 struct mrsas_progress {
2325 
2326 	u_int16_t progress;
2327 	u_int16_t elapsed_seconds;
2328 
2329 } __packed;
2330 
2331 struct mrsas_evtarg_ld {
2332 
2333 	u_int16_t target_id;
2334 	u_int8_t ld_index;
2335 	u_int8_t reserved;
2336 
2337 } __packed;
2338 
2339 struct mrsas_evtarg_pd {
2340 	u_int16_t device_id;
2341 	u_int8_t encl_index;
2342 	u_int8_t slot_number;
2343 
2344 } __packed;
2345 
2346 struct mrsas_evt_detail {
2347 
2348 	u_int32_t seq_num;
2349 	u_int32_t time_stamp;
2350 	u_int32_t code;
2351 	union mrsas_evt_class_locale cl;
2352 	u_int8_t arg_type;
2353 	u_int8_t reserved1[15];
2354 
2355 	union {
2356 		struct {
2357 			struct mrsas_evtarg_pd pd;
2358 			u_int8_t cdb_length;
2359 			u_int8_t sense_length;
2360 			u_int8_t reserved[2];
2361 			u_int8_t cdb[16];
2362 			u_int8_t sense[64];
2363 		} __packed cdbSense;
2364 
2365 		struct mrsas_evtarg_ld ld;
2366 
2367 		struct {
2368 			struct mrsas_evtarg_ld ld;
2369 			u_int64_t count;
2370 		} __packed ld_count;
2371 
2372 		struct {
2373 			u_int64_t lba;
2374 			struct mrsas_evtarg_ld ld;
2375 		} __packed ld_lba;
2376 
2377 		struct {
2378 			struct mrsas_evtarg_ld ld;
2379 			u_int32_t prevOwner;
2380 			u_int32_t newOwner;
2381 		} __packed ld_owner;
2382 
2383 		struct {
2384 			u_int64_t ld_lba;
2385 			u_int64_t pd_lba;
2386 			struct mrsas_evtarg_ld ld;
2387 			struct mrsas_evtarg_pd pd;
2388 		} __packed ld_lba_pd_lba;
2389 
2390 		struct {
2391 			struct mrsas_evtarg_ld ld;
2392 			struct mrsas_progress prog;
2393 		} __packed ld_prog;
2394 
2395 		struct {
2396 			struct mrsas_evtarg_ld ld;
2397 			u_int32_t prev_state;
2398 			u_int32_t new_state;
2399 		} __packed ld_state;
2400 
2401 		struct {
2402 			u_int64_t strip;
2403 			struct mrsas_evtarg_ld ld;
2404 		} __packed ld_strip;
2405 
2406 		struct mrsas_evtarg_pd pd;
2407 
2408 		struct {
2409 			struct mrsas_evtarg_pd pd;
2410 			u_int32_t err;
2411 		} __packed pd_err;
2412 
2413 		struct {
2414 			u_int64_t lba;
2415 			struct mrsas_evtarg_pd pd;
2416 		} __packed pd_lba;
2417 
2418 		struct {
2419 			u_int64_t lba;
2420 			struct mrsas_evtarg_pd pd;
2421 			struct mrsas_evtarg_ld ld;
2422 		} __packed pd_lba_ld;
2423 
2424 		struct {
2425 			struct mrsas_evtarg_pd pd;
2426 			struct mrsas_progress prog;
2427 		} __packed pd_prog;
2428 
2429 		struct {
2430 			struct mrsas_evtarg_pd pd;
2431 			u_int32_t prevState;
2432 			u_int32_t newState;
2433 		} __packed pd_state;
2434 
2435 		struct {
2436 			u_int16_t vendorId;
2437 			u_int16_t deviceId;
2438 			u_int16_t subVendorId;
2439 			u_int16_t subDeviceId;
2440 		} __packed pci;
2441 
2442 		u_int32_t rate;
2443 		char	str[96];
2444 
2445 		struct {
2446 			u_int32_t rtc;
2447 			u_int32_t elapsedSeconds;
2448 		} __packed time;
2449 
2450 		struct {
2451 			u_int32_t ecar;
2452 			u_int32_t elog;
2453 			char	str[64];
2454 		} __packed ecc;
2455 
2456 		u_int8_t b[96];
2457 		u_int16_t s[48];
2458 		u_int32_t w[24];
2459 		u_int64_t d[12];
2460 	}	args;
2461 
2462 	char	description[128];
2463 
2464 } __packed;
2465 
2466 struct mrsas_irq_context {
2467 	struct mrsas_softc *sc;
2468 	uint32_t MSIxIndex;
2469 };
2470 
2471 enum MEGASAS_OCR_REASON {
2472 	FW_FAULT_OCR = 0,
2473 	SCSIIO_TIMEOUT_OCR = 1,
2474 	MFI_DCMD_TIMEOUT_OCR = 2,
2475 };
2476 
2477 /* Controller management info added to support Linux Emulator */
2478 #define	MAX_MGMT_ADAPTERS               1024
2479 
2480 struct mrsas_mgmt_info {
2481 	u_int16_t count;
2482 	struct mrsas_softc *sc_ptr[MAX_MGMT_ADAPTERS];
2483 	int	max_index;
2484 };
2485 
2486 #define	PCI_TYPE0_ADDRESSES             6
2487 #define	PCI_TYPE1_ADDRESSES             2
2488 #define	PCI_TYPE2_ADDRESSES             5
2489 
2490 typedef struct _MRSAS_DRV_PCI_COMMON_HEADER {
2491 	u_int16_t vendorID;
2492 	      //(ro)
2493 	u_int16_t deviceID;
2494 	      //(ro)
2495 	u_int16_t command;
2496 	      //Device control
2497 	u_int16_t status;
2498 	u_int8_t revisionID;
2499 	      //(ro)
2500 	u_int8_t progIf;
2501 	      //(ro)
2502 	u_int8_t subClass;
2503 	      //(ro)
2504 	u_int8_t baseClass;
2505 	      //(ro)
2506 	u_int8_t cacheLineSize;
2507 	      //(ro +)
2508 	u_int8_t latencyTimer;
2509 	      //(ro +)
2510 	u_int8_t headerType;
2511 	      //(ro)
2512 	u_int8_t bist;
2513 	      //Built in self test
2514 
2515 	union {
2516 		struct _MRSAS_DRV_PCI_HEADER_TYPE_0 {
2517 			u_int32_t baseAddresses[PCI_TYPE0_ADDRESSES];
2518 			u_int32_t cis;
2519 			u_int16_t subVendorID;
2520 			u_int16_t subSystemID;
2521 			u_int32_t romBaseAddress;
2522 			u_int8_t capabilitiesPtr;
2523 			u_int8_t reserved1[3];
2524 			u_int32_t reserved2;
2525 			u_int8_t interruptLine;
2526 			u_int8_t interruptPin;
2527 			      //(ro)
2528 			u_int8_t minimumGrant;
2529 			      //(ro)
2530 			u_int8_t maximumLatency;
2531 			      //(ro)
2532 		}	type0;
2533 
2534 		/*
2535 	         * PCI to PCI Bridge
2536 	         */
2537 
2538 		struct _MRSAS_DRV_PCI_HEADER_TYPE_1 {
2539 			u_int32_t baseAddresses[PCI_TYPE1_ADDRESSES];
2540 			u_int8_t primaryBus;
2541 			u_int8_t secondaryBus;
2542 			u_int8_t subordinateBus;
2543 			u_int8_t secondaryLatency;
2544 			u_int8_t ioBase;
2545 			u_int8_t ioLimit;
2546 			u_int16_t secondaryStatus;
2547 			u_int16_t memoryBase;
2548 			u_int16_t memoryLimit;
2549 			u_int16_t prefetchBase;
2550 			u_int16_t prefetchLimit;
2551 			u_int32_t prefetchBaseUpper32;
2552 			u_int32_t prefetchLimitUpper32;
2553 			u_int16_t ioBaseUpper16;
2554 			u_int16_t ioLimitUpper16;
2555 			u_int8_t capabilitiesPtr;
2556 			u_int8_t reserved1[3];
2557 			u_int32_t romBaseAddress;
2558 			u_int8_t interruptLine;
2559 			u_int8_t interruptPin;
2560 			u_int16_t bridgeControl;
2561 		}	type1;
2562 
2563 		/*
2564 	         * PCI to CARDBUS Bridge
2565 	         */
2566 
2567 		struct _MRSAS_DRV_PCI_HEADER_TYPE_2 {
2568 			u_int32_t socketRegistersBaseAddress;
2569 			u_int8_t capabilitiesPtr;
2570 			u_int8_t reserved;
2571 			u_int16_t secondaryStatus;
2572 			u_int8_t primaryBus;
2573 			u_int8_t secondaryBus;
2574 			u_int8_t subordinateBus;
2575 			u_int8_t secondaryLatency;
2576 			struct {
2577 				u_int32_t base;
2578 				u_int32_t limit;
2579 			}	range [PCI_TYPE2_ADDRESSES - 1];
2580 			u_int8_t interruptLine;
2581 			u_int8_t interruptPin;
2582 			u_int16_t bridgeControl;
2583 		}	type2;
2584 	}	u;
2585 
2586 }	MRSAS_DRV_PCI_COMMON_HEADER, *PMRSAS_DRV_PCI_COMMON_HEADER;
2587 
2588 #define	MRSAS_DRV_PCI_COMMON_HEADER_SIZE sizeof(MRSAS_DRV_PCI_COMMON_HEADER)   //64 bytes
2589 
2590 typedef struct _MRSAS_DRV_PCI_LINK_CAPABILITY {
2591 	union {
2592 		struct {
2593 			u_int32_t linkSpeed:4;
2594 			u_int32_t linkWidth:6;
2595 			u_int32_t aspmSupport:2;
2596 			u_int32_t losExitLatency:3;
2597 			u_int32_t l1ExitLatency:3;
2598 			u_int32_t rsvdp:6;
2599 			u_int32_t portNumber:8;
2600 		}	bits;
2601 
2602 		u_int32_t asUlong;
2603 	}	u;
2604 }	MRSAS_DRV_PCI_LINK_CAPABILITY, *PMRSAS_DRV_PCI_LINK_CAPABILITY;
2605 
2606 #define	MRSAS_DRV_PCI_LINK_CAPABILITY_SIZE sizeof(MRSAS_DRV_PCI_LINK_CAPABILITY)
2607 
2608 typedef struct _MRSAS_DRV_PCI_LINK_STATUS_CAPABILITY {
2609 	union {
2610 		struct {
2611 			u_int16_t linkSpeed:4;
2612 			u_int16_t negotiatedLinkWidth:6;
2613 			u_int16_t linkTrainingError:1;
2614 			u_int16_t linkTraning:1;
2615 			u_int16_t slotClockConfig:1;
2616 			u_int16_t rsvdZ:3;
2617 		}	bits;
2618 
2619 		u_int16_t asUshort;
2620 	}	u;
2621 	u_int16_t reserved;
2622 }	MRSAS_DRV_PCI_LINK_STATUS_CAPABILITY, *PMRSAS_DRV_PCI_LINK_STATUS_CAPABILITY;
2623 
2624 #define	MRSAS_DRV_PCI_LINK_STATUS_CAPABILITY_SIZE sizeof(MRSAS_DRV_PCI_LINK_STATUS_CAPABILITY)
2625 
2626 
2627 typedef struct _MRSAS_DRV_PCI_CAPABILITIES {
2628 	MRSAS_DRV_PCI_LINK_CAPABILITY linkCapability;
2629 	MRSAS_DRV_PCI_LINK_STATUS_CAPABILITY linkStatusCapability;
2630 }	MRSAS_DRV_PCI_CAPABILITIES, *PMRSAS_DRV_PCI_CAPABILITIES;
2631 
2632 #define	MRSAS_DRV_PCI_CAPABILITIES_SIZE sizeof(MRSAS_DRV_PCI_CAPABILITIES)
2633 
2634 /* PCI information */
2635 typedef struct _MRSAS_DRV_PCI_INFORMATION {
2636 	u_int32_t busNumber;
2637 	u_int8_t deviceNumber;
2638 	u_int8_t functionNumber;
2639 	u_int8_t interruptVector;
2640 	u_int8_t reserved1;
2641 	MRSAS_DRV_PCI_COMMON_HEADER pciHeaderInfo;
2642 	MRSAS_DRV_PCI_CAPABILITIES capability;
2643 	u_int32_t domainID;
2644 	u_int8_t reserved2[28];
2645 }	MRSAS_DRV_PCI_INFORMATION, *PMRSAS_DRV_PCI_INFORMATION;
2646 
2647 /*******************************************************************
2648  * per-instance data
2649  ********************************************************************/
2650 struct mrsas_softc {
2651 	device_t mrsas_dev;
2652 	struct cdev *mrsas_cdev;
2653 	struct intr_config_hook mrsas_ich;
2654 	struct cdev *mrsas_linux_emulator_cdev;
2655 	uint16_t device_id;
2656 	struct resource *reg_res;
2657 	int	reg_res_id;
2658 	bus_space_tag_t bus_tag;
2659 	bus_space_handle_t bus_handle;
2660 	bus_dma_tag_t mrsas_parent_tag;
2661 	bus_dma_tag_t verbuf_tag;
2662 	bus_dmamap_t verbuf_dmamap;
2663 	void   *verbuf_mem;
2664 	bus_addr_t verbuf_phys_addr;
2665 	bus_dma_tag_t sense_tag;
2666 	bus_dmamap_t sense_dmamap;
2667 	void   *sense_mem;
2668 	bus_addr_t sense_phys_addr;
2669 	bus_dma_tag_t io_request_tag;
2670 	bus_dmamap_t io_request_dmamap;
2671 	void   *io_request_mem;
2672 	bus_addr_t io_request_phys_addr;
2673 	bus_dma_tag_t chain_frame_tag;
2674 	bus_dmamap_t chain_frame_dmamap;
2675 	void   *chain_frame_mem;
2676 	bus_addr_t chain_frame_phys_addr;
2677 	bus_dma_tag_t reply_desc_tag;
2678 	bus_dmamap_t reply_desc_dmamap;
2679 	void   *reply_desc_mem;
2680 	bus_addr_t reply_desc_phys_addr;
2681 	bus_dma_tag_t ioc_init_tag;
2682 	bus_dmamap_t ioc_init_dmamap;
2683 	void   *ioc_init_mem;
2684 	bus_addr_t ioc_init_phys_mem;
2685 	bus_dma_tag_t data_tag;
2686 	struct cam_sim *sim_0;
2687 	struct cam_sim *sim_1;
2688 	struct cam_path *path_0;
2689 	struct cam_path *path_1;
2690 	struct mtx sim_lock;
2691 	struct mtx pci_lock;
2692 	struct mtx io_lock;
2693 	struct mtx ioctl_lock;
2694 	struct mtx mpt_cmd_pool_lock;
2695 	struct mtx mfi_cmd_pool_lock;
2696 	struct mtx raidmap_lock;
2697 	struct mtx aen_lock;
2698 	struct selinfo mrsas_select;
2699 	uint32_t mrsas_aen_triggered;
2700 	uint32_t mrsas_poll_waiting;
2701 
2702 	struct sema ioctl_count_sema;
2703 	uint32_t max_fw_cmds;
2704 	uint32_t max_num_sge;
2705 	struct resource *mrsas_irq[MAX_MSIX_COUNT];
2706 	void   *intr_handle[MAX_MSIX_COUNT];
2707 	int	irq_id[MAX_MSIX_COUNT];
2708 	struct mrsas_irq_context irq_context[MAX_MSIX_COUNT];
2709 	int	msix_vectors;
2710 	int	msix_enable;
2711 	uint32_t msix_reg_offset[16];
2712 	uint8_t	mask_interrupts;
2713 	uint16_t max_chain_frame_sz;
2714 	struct mrsas_mpt_cmd **mpt_cmd_list;
2715 	struct mrsas_mfi_cmd **mfi_cmd_list;
2716 	TAILQ_HEAD(, mrsas_mpt_cmd) mrsas_mpt_cmd_list_head;
2717 	TAILQ_HEAD(, mrsas_mfi_cmd) mrsas_mfi_cmd_list_head;
2718 	bus_addr_t req_frames_desc_phys;
2719 	u_int8_t *req_frames_desc;
2720 	u_int8_t *req_desc;
2721 	bus_addr_t io_request_frames_phys;
2722 	u_int8_t *io_request_frames;
2723 	bus_addr_t reply_frames_desc_phys;
2724 	u_int16_t last_reply_idx[MAX_MSIX_COUNT];
2725 	u_int32_t reply_q_depth;
2726 	u_int32_t request_alloc_sz;
2727 	u_int32_t reply_alloc_sz;
2728 	u_int32_t io_frames_alloc_sz;
2729 	u_int32_t chain_frames_alloc_sz;
2730 	u_int16_t max_sge_in_main_msg;
2731 	u_int16_t max_sge_in_chain;
2732 	u_int8_t chain_offset_io_request;
2733 	u_int8_t chain_offset_mfi_pthru;
2734 	u_int32_t map_sz;
2735 	u_int64_t map_id;
2736 	u_int64_t pd_seq_map_id;
2737 	struct mrsas_mfi_cmd *map_update_cmd;
2738 	struct mrsas_mfi_cmd *jbod_seq_cmd;
2739 	struct mrsas_mfi_cmd *aen_cmd;
2740 	u_int8_t fast_path_io;
2741 	void   *chan;
2742 	void   *ocr_chan;
2743 	u_int8_t adprecovery;
2744 	u_int8_t remove_in_progress;
2745 	u_int8_t ocr_thread_active;
2746 	u_int8_t do_timedout_reset;
2747 	u_int32_t reset_in_progress;
2748 	u_int32_t reset_count;
2749 
2750 	bus_dma_tag_t jbodmap_tag[2];
2751 	bus_dmamap_t jbodmap_dmamap[2];
2752 	void   *jbodmap_mem[2];
2753 	bus_addr_t jbodmap_phys_addr[2];
2754 
2755 	bus_dma_tag_t raidmap_tag[2];
2756 	bus_dmamap_t raidmap_dmamap[2];
2757 	void   *raidmap_mem[2];
2758 	bus_addr_t raidmap_phys_addr[2];
2759 	bus_dma_tag_t mficmd_frame_tag;
2760 	bus_dma_tag_t mficmd_sense_tag;
2761 	bus_dma_tag_t evt_detail_tag;
2762 	bus_dmamap_t evt_detail_dmamap;
2763 	struct mrsas_evt_detail *evt_detail_mem;
2764 	bus_addr_t evt_detail_phys_addr;
2765 	struct mrsas_ctrl_info *ctrl_info;
2766 	bus_dma_tag_t ctlr_info_tag;
2767 	bus_dmamap_t ctlr_info_dmamap;
2768 	void   *ctlr_info_mem;
2769 	bus_addr_t ctlr_info_phys_addr;
2770 	u_int32_t max_sectors_per_req;
2771 	u_int32_t disableOnlineCtrlReset;
2772 	mrsas_atomic_t fw_outstanding;
2773 	u_int32_t mrsas_debug;
2774 	u_int32_t mrsas_io_timeout;
2775 	u_int32_t mrsas_fw_fault_check_delay;
2776 	u_int32_t io_cmds_highwater;
2777 	u_int8_t UnevenSpanSupport;
2778 	struct sysctl_ctx_list sysctl_ctx;
2779 	struct sysctl_oid *sysctl_tree;
2780 	struct proc *ocr_thread;
2781 	u_int32_t last_seq_num;
2782 	bus_dma_tag_t el_info_tag;
2783 	bus_dmamap_t el_info_dmamap;
2784 	void   *el_info_mem;
2785 	bus_addr_t el_info_phys_addr;
2786 	struct mrsas_pd_list pd_list[MRSAS_MAX_PD];
2787 	struct mrsas_pd_list local_pd_list[MRSAS_MAX_PD];
2788 	u_int8_t ld_ids[MRSAS_MAX_LD_IDS];
2789 	struct taskqueue *ev_tq;
2790 	struct task ev_task;
2791 	u_int32_t CurLdCount;
2792 	u_int64_t reset_flags;
2793 	int	lb_pending_cmds;
2794 	LD_LOAD_BALANCE_INFO load_balance_info[MAX_LOGICAL_DRIVES_EXT];
2795 	LD_SPAN_INFO log_to_span[MAX_LOGICAL_DRIVES_EXT];
2796 
2797 	u_int8_t secure_jbod_support;
2798 	u_int8_t use_seqnum_jbod_fp;
2799 	u_int8_t max256vdSupport;
2800 	u_int16_t fw_supported_vd_count;
2801 	u_int16_t fw_supported_pd_count;
2802 
2803 	u_int16_t drv_supported_vd_count;
2804 	u_int16_t drv_supported_pd_count;
2805 
2806 	u_int32_t max_map_sz;
2807 	u_int32_t current_map_sz;
2808 	u_int32_t old_map_sz;
2809 	u_int32_t new_map_sz;
2810 	u_int32_t drv_map_sz;
2811 
2812 	/* Non dma-able memory. Driver local copy. */
2813 	MR_DRV_RAID_MAP_ALL *ld_drv_map[2];
2814 };
2815 
2816 /* Compatibility shims for different OS versions */
2817 #if __FreeBSD_version >= 800001
2818 #define	mrsas_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
2819     kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
2820 #define	mrsas_kproc_exit(arg)   kproc_exit(arg)
2821 #else
2822 #define	mrsas_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
2823     kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
2824 #define	mrsas_kproc_exit(arg)   kthread_exit(arg)
2825 #endif
2826 
2827 static __inline void
2828 mrsas_clear_bit(int b, volatile void *p)
2829 {
2830 	atomic_clear_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
2831 }
2832 
2833 static __inline void
2834 mrsas_set_bit(int b, volatile void *p)
2835 {
2836 	atomic_set_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
2837 }
2838 
2839 static __inline int
2840 mrsas_test_bit(int b, volatile void *p)
2841 {
2842 	return ((volatile int *)p)[b >> 5] & (1 << (b & 0x1f));
2843 }
2844 
2845 #endif					/* MRSAS_H */
2846