xref: /freebsd/sys/dev/mps/mpi/mpi2.h (revision f39bffc62c1395bde25d152c7f68fdf7cbaab414)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2006-2015 LSI Corp.
5  * Copyright (c) 2013-2015 Avago Technologies
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
30  *
31  * $FreeBSD$
32  */
33 
34 /*
35  *  Copyright (c) 2006-2015 LSI Corporation.
36  *  Copyright (c) 2013-2015 Avago Technologies
37  *
38  *
39  *           Name:  mpi2.h
40  *          Title:  MPI Message independent structures and definitions
41  *                  including System Interface Register Set and
42  *                  scatter/gather formats.
43  *  Creation Date:  June 21, 2006
44  *
45  *  mpi2.h Version:  02.00.18
46  *
47  *  Version History
48  *  ---------------
49  *
50  *  Date      Version   Description
51  *  --------  --------  ------------------------------------------------------
52  *  04-30-07  02.00.00  Corresponds to Fusion-MPT MPI Specification Rev A.
53  *  06-04-07  02.00.01  Bumped MPI2_HEADER_VERSION_UNIT.
54  *  06-26-07  02.00.02  Bumped MPI2_HEADER_VERSION_UNIT.
55  *  08-31-07  02.00.03  Bumped MPI2_HEADER_VERSION_UNIT.
56  *                      Moved ReplyPostHostIndex register to offset 0x6C of the
57  *                      MPI2_SYSTEM_INTERFACE_REGS and modified the define for
58  *                      MPI2_REPLY_POST_HOST_INDEX_OFFSET.
59  *                      Added union of request descriptors.
60  *                      Added union of reply descriptors.
61  *  10-31-07  02.00.04  Bumped MPI2_HEADER_VERSION_UNIT.
62  *                      Added define for MPI2_VERSION_02_00.
63  *                      Fixed the size of the FunctionDependent5 field in the
64  *                      MPI2_DEFAULT_REPLY structure.
65  *  12-18-07  02.00.05  Bumped MPI2_HEADER_VERSION_UNIT.
66  *                      Removed the MPI-defined Fault Codes and extended the
67  *                      product specific codes up to 0xEFFF.
68  *                      Added a sixth key value for the WriteSequence register
69  *                      and changed the flush value to 0x0.
70  *                      Added message function codes for Diagnostic Buffer Post
71  *                      and Diagnsotic Release.
72  *                      New IOCStatus define: MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED
73  *                      Moved MPI2_VERSION_UNION from mpi2_ioc.h.
74  *  02-29-08  02.00.06  Bumped MPI2_HEADER_VERSION_UNIT.
75  *  03-03-08  02.00.07  Bumped MPI2_HEADER_VERSION_UNIT.
76  *  05-21-08  02.00.08  Bumped MPI2_HEADER_VERSION_UNIT.
77  *                      Added #defines for marking a reply descriptor as unused.
78  *  06-27-08  02.00.09  Bumped MPI2_HEADER_VERSION_UNIT.
79  *  10-02-08  02.00.10  Bumped MPI2_HEADER_VERSION_UNIT.
80  *                      Moved LUN field defines from mpi2_init.h.
81  *  01-19-09  02.00.11  Bumped MPI2_HEADER_VERSION_UNIT.
82  *  05-06-09  02.00.12  Bumped MPI2_HEADER_VERSION_UNIT.
83  *                      In all request and reply descriptors, replaced VF_ID
84  *                      field with MSIxIndex field.
85  *                      Removed DevHandle field from
86  *                      MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR and made those
87  *                      bytes reserved.
88  *                      Added RAID Accelerator functionality.
89  *  07-30-09  02.00.13  Bumped MPI2_HEADER_VERSION_UNIT.
90  *  10-28-09  02.00.14  Bumped MPI2_HEADER_VERSION_UNIT.
91  *                      Added MSI-x index mask and shift for Reply Post Host
92  *                      Index register.
93  *                      Added function code for Host Based Discovery Action.
94  *  02-10-10  02.00.15  Bumped MPI2_HEADER_VERSION_UNIT.
95  *                      Added define for MPI2_FUNCTION_PWR_MGMT_CONTROL.
96  *                      Added defines for product-specific range of message
97  *                      function codes, 0xF0 to 0xFF.
98  *  05-12-10  02.00.16  Bumped MPI2_HEADER_VERSION_UNIT.
99  *                      Added alternative defines for the SGE Direction bit.
100  *  08-11-10  02.00.17  Bumped MPI2_HEADER_VERSION_UNIT.
101  *  11-10-10  02.00.18  Bumped MPI2_HEADER_VERSION_UNIT.
102  *                      Added MPI2_IEEE_SGE_FLAGS_SYSTEMPLBCPI_ADDR define.
103  *  --------------------------------------------------------------------------
104  */
105 
106 #ifndef MPI2_H
107 #define MPI2_H
108 
109 
110 /*****************************************************************************
111 *
112 *        MPI Version Definitions
113 *
114 *****************************************************************************/
115 
116 #define MPI2_VERSION_MAJOR                  (0x02)
117 #define MPI2_VERSION_MINOR                  (0x00)
118 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
119 #define MPI2_VERSION_MAJOR_SHIFT            (8)
120 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
121 #define MPI2_VERSION_MINOR_SHIFT            (0)
122 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
123                                       MPI2_VERSION_MINOR)
124 
125 #define MPI2_VERSION_02_00                  (0x0200)
126 
127 /* versioning for this MPI header set */
128 #define MPI2_HEADER_VERSION_UNIT            (0x12)
129 #define MPI2_HEADER_VERSION_DEV             (0x00)
130 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
131 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
132 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
133 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
134 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) | MPI2_HEADER_VERSION_DEV)
135 
136 
137 /*****************************************************************************
138 *
139 *        IOC State Definitions
140 *
141 *****************************************************************************/
142 
143 #define MPI2_IOC_STATE_RESET               (0x00000000)
144 #define MPI2_IOC_STATE_READY               (0x10000000)
145 #define MPI2_IOC_STATE_OPERATIONAL         (0x20000000)
146 #define MPI2_IOC_STATE_FAULT               (0x40000000)
147 
148 #define MPI2_IOC_STATE_MASK                (0xF0000000)
149 #define MPI2_IOC_STATE_SHIFT               (28)
150 
151 /* Fault state range for prodcut specific codes */
152 #define MPI2_FAULT_PRODUCT_SPECIFIC_MIN                 (0x0000)
153 #define MPI2_FAULT_PRODUCT_SPECIFIC_MAX                 (0xEFFF)
154 
155 
156 /*****************************************************************************
157 *
158 *        System Interface Register Definitions
159 *
160 *****************************************************************************/
161 
162 typedef volatile struct _MPI2_SYSTEM_INTERFACE_REGS
163 {
164     U32         Doorbell;                   /* 0x00 */
165     U32         WriteSequence;              /* 0x04 */
166     U32         HostDiagnostic;             /* 0x08 */
167     U32         Reserved1;                  /* 0x0C */
168     U32         DiagRWData;                 /* 0x10 */
169     U32         DiagRWAddressLow;           /* 0x14 */
170     U32         DiagRWAddressHigh;          /* 0x18 */
171     U32         Reserved2[5];               /* 0x1C */
172     U32         HostInterruptStatus;        /* 0x30 */
173     U32         HostInterruptMask;          /* 0x34 */
174     U32         DCRData;                    /* 0x38 */
175     U32         DCRAddress;                 /* 0x3C */
176     U32         Reserved3[2];               /* 0x40 */
177     U32         ReplyFreeHostIndex;         /* 0x48 */
178     U32         Reserved4[8];               /* 0x4C */
179     U32         ReplyPostHostIndex;         /* 0x6C */
180     U32         Reserved5;                  /* 0x70 */
181     U32         HCBSize;                    /* 0x74 */
182     U32         HCBAddressLow;              /* 0x78 */
183     U32         HCBAddressHigh;             /* 0x7C */
184     U32         Reserved6[16];              /* 0x80 */
185     U32         RequestDescriptorPostLow;   /* 0xC0 */
186     U32         RequestDescriptorPostHigh;  /* 0xC4 */
187     U32         Reserved7[14];              /* 0xC8 */
188 } MPI2_SYSTEM_INTERFACE_REGS, MPI2_POINTER PTR_MPI2_SYSTEM_INTERFACE_REGS,
189   Mpi2SystemInterfaceRegs_t, MPI2_POINTER pMpi2SystemInterfaceRegs_t;
190 
191 /*
192  * Defines for working with the Doorbell register.
193  */
194 #define MPI2_DOORBELL_OFFSET                    (0x00000000)
195 
196 /* IOC --> System values */
197 #define MPI2_DOORBELL_USED                      (0x08000000)
198 #define MPI2_DOORBELL_WHO_INIT_MASK             (0x07000000)
199 #define MPI2_DOORBELL_WHO_INIT_SHIFT            (24)
200 #define MPI2_DOORBELL_FAULT_CODE_MASK           (0x0000FFFF)
201 #define MPI2_DOORBELL_DATA_MASK                 (0x0000FFFF)
202 
203 /* System --> IOC values */
204 #define MPI2_DOORBELL_FUNCTION_MASK             (0xFF000000)
205 #define MPI2_DOORBELL_FUNCTION_SHIFT            (24)
206 #define MPI2_DOORBELL_ADD_DWORDS_MASK           (0x00FF0000)
207 #define MPI2_DOORBELL_ADD_DWORDS_SHIFT          (16)
208 
209 
210 /*
211  * Defines for the WriteSequence register
212  */
213 #define MPI2_WRITE_SEQUENCE_OFFSET              (0x00000004)
214 #define MPI2_WRSEQ_KEY_VALUE_MASK               (0x0000000F)
215 #define MPI2_WRSEQ_FLUSH_KEY_VALUE              (0x0)
216 #define MPI2_WRSEQ_1ST_KEY_VALUE                (0xF)
217 #define MPI2_WRSEQ_2ND_KEY_VALUE                (0x4)
218 #define MPI2_WRSEQ_3RD_KEY_VALUE                (0xB)
219 #define MPI2_WRSEQ_4TH_KEY_VALUE                (0x2)
220 #define MPI2_WRSEQ_5TH_KEY_VALUE                (0x7)
221 #define MPI2_WRSEQ_6TH_KEY_VALUE                (0xD)
222 
223 /*
224  * Defines for the HostDiagnostic register
225  */
226 #define MPI2_HOST_DIAGNOSTIC_OFFSET             (0x00000008)
227 
228 #define MPI2_DIAG_BOOT_DEVICE_SELECT_MASK       (0x00001800)
229 #define MPI2_DIAG_BOOT_DEVICE_SELECT_DEFAULT    (0x00000000)
230 #define MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW       (0x00000800)
231 
232 #define MPI2_DIAG_CLEAR_FLASH_BAD_SIG           (0x00000400)
233 #define MPI2_DIAG_FORCE_HCB_ON_RESET            (0x00000200)
234 #define MPI2_DIAG_HCB_MODE                      (0x00000100)
235 #define MPI2_DIAG_DIAG_WRITE_ENABLE             (0x00000080)
236 #define MPI2_DIAG_FLASH_BAD_SIG                 (0x00000040)
237 #define MPI2_DIAG_RESET_HISTORY                 (0x00000020)
238 #define MPI2_DIAG_DIAG_RW_ENABLE                (0x00000010)
239 #define MPI2_DIAG_RESET_ADAPTER                 (0x00000004)
240 #define MPI2_DIAG_HOLD_IOC_RESET                (0x00000002)
241 
242 /*
243  * Offsets for DiagRWData and address
244  */
245 #define MPI2_DIAG_RW_DATA_OFFSET                (0x00000010)
246 #define MPI2_DIAG_RW_ADDRESS_LOW_OFFSET         (0x00000014)
247 #define MPI2_DIAG_RW_ADDRESS_HIGH_OFFSET        (0x00000018)
248 
249 /*
250  * Defines for the HostInterruptStatus register
251  */
252 #define MPI2_HOST_INTERRUPT_STATUS_OFFSET       (0x00000030)
253 #define MPI2_HIS_SYS2IOC_DB_STATUS              (0x80000000)
254 #define MPI2_HIS_IOP_DOORBELL_STATUS            MPI2_HIS_SYS2IOC_DB_STATUS
255 #define MPI2_HIS_RESET_IRQ_STATUS               (0x40000000)
256 #define MPI2_HIS_REPLY_DESCRIPTOR_INTERRUPT     (0x00000008)
257 #define MPI2_HIS_IOC2SYS_DB_STATUS              (0x00000001)
258 #define MPI2_HIS_DOORBELL_INTERRUPT             MPI2_HIS_IOC2SYS_DB_STATUS
259 
260 /*
261  * Defines for the HostInterruptMask register
262  */
263 #define MPI2_HOST_INTERRUPT_MASK_OFFSET         (0x00000034)
264 #define MPI2_HIM_RESET_IRQ_MASK                 (0x40000000)
265 #define MPI2_HIM_REPLY_INT_MASK                 (0x00000008)
266 #define MPI2_HIM_RIM                            MPI2_HIM_REPLY_INT_MASK
267 #define MPI2_HIM_IOC2SYS_DB_MASK                (0x00000001)
268 #define MPI2_HIM_DIM                            MPI2_HIM_IOC2SYS_DB_MASK
269 
270 /*
271  * Offsets for DCRData and address
272  */
273 #define MPI2_DCR_DATA_OFFSET                    (0x00000038)
274 #define MPI2_DCR_ADDRESS_OFFSET                 (0x0000003C)
275 
276 /*
277  * Offset for the Reply Free Queue
278  */
279 #define MPI2_REPLY_FREE_HOST_INDEX_OFFSET       (0x00000048)
280 
281 /*
282  * Defines for the Reply Descriptor Post Queue
283  */
284 #define MPI2_REPLY_POST_HOST_INDEX_OFFSET       (0x0000006C)
285 #define MPI2_REPLY_POST_HOST_INDEX_MASK         (0x00FFFFFF)
286 #define MPI2_RPHI_MSIX_INDEX_MASK               (0xFF000000)
287 #define MPI2_RPHI_MSIX_INDEX_SHIFT              (24)
288 
289 /*
290  * Defines for the HCBSize and address
291  */
292 #define MPI2_HCB_SIZE_OFFSET                    (0x00000074)
293 #define MPI2_HCB_SIZE_SIZE_MASK                 (0xFFFFF000)
294 #define MPI2_HCB_SIZE_HCB_ENABLE                (0x00000001)
295 
296 #define MPI2_HCB_ADDRESS_LOW_OFFSET             (0x00000078)
297 #define MPI2_HCB_ADDRESS_HIGH_OFFSET            (0x0000007C)
298 
299 /*
300  * Offsets for the Request Queue
301  */
302 #define MPI2_REQUEST_DESCRIPTOR_POST_LOW_OFFSET     (0x000000C0)
303 #define MPI2_REQUEST_DESCRIPTOR_POST_HIGH_OFFSET    (0x000000C4)
304 
305 
306 /*****************************************************************************
307 *
308 *        Message Descriptors
309 *
310 *****************************************************************************/
311 
312 /* Request Descriptors */
313 
314 /* Default Request Descriptor */
315 typedef struct _MPI2_DEFAULT_REQUEST_DESCRIPTOR
316 {
317     U8              RequestFlags;               /* 0x00 */
318     U8              MSIxIndex;                  /* 0x01 */
319     U16             SMID;                       /* 0x02 */
320     U16             LMID;                       /* 0x04 */
321     U16             DescriptorTypeDependent;    /* 0x06 */
322 } MPI2_DEFAULT_REQUEST_DESCRIPTOR,
323   MPI2_POINTER PTR_MPI2_DEFAULT_REQUEST_DESCRIPTOR,
324   Mpi2DefaultRequestDescriptor_t, MPI2_POINTER pMpi2DefaultRequestDescriptor_t;
325 
326 /* defines for the RequestFlags field */
327 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x0E)
328 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
329 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
330 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
331 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
332 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
333 
334 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
335 
336 
337 /* High Priority Request Descriptor */
338 typedef struct _MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR
339 {
340     U8              RequestFlags;               /* 0x00 */
341     U8              MSIxIndex;                  /* 0x01 */
342     U16             SMID;                       /* 0x02 */
343     U16             LMID;                       /* 0x04 */
344     U16             Reserved1;                  /* 0x06 */
345 } MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
346   MPI2_POINTER PTR_MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
347   Mpi2HighPriorityRequestDescriptor_t,
348   MPI2_POINTER pMpi2HighPriorityRequestDescriptor_t;
349 
350 
351 /* SCSI IO Request Descriptor */
352 typedef struct _MPI2_SCSI_IO_REQUEST_DESCRIPTOR
353 {
354     U8              RequestFlags;               /* 0x00 */
355     U8              MSIxIndex;                  /* 0x01 */
356     U16             SMID;                       /* 0x02 */
357     U16             LMID;                       /* 0x04 */
358     U16             DevHandle;                  /* 0x06 */
359 } MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
360   MPI2_POINTER PTR_MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
361   Mpi2SCSIIORequestDescriptor_t, MPI2_POINTER pMpi2SCSIIORequestDescriptor_t;
362 
363 
364 /* SCSI Target Request Descriptor */
365 typedef struct _MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR
366 {
367     U8              RequestFlags;               /* 0x00 */
368     U8              MSIxIndex;                  /* 0x01 */
369     U16             SMID;                       /* 0x02 */
370     U16             LMID;                       /* 0x04 */
371     U16             IoIndex;                    /* 0x06 */
372 } MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
373   MPI2_POINTER PTR_MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
374   Mpi2SCSITargetRequestDescriptor_t,
375   MPI2_POINTER pMpi2SCSITargetRequestDescriptor_t;
376 
377 
378 /* RAID Accelerator Request Descriptor */
379 typedef struct _MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR
380 {
381     U8              RequestFlags;               /* 0x00 */
382     U8              MSIxIndex;                  /* 0x01 */
383     U16             SMID;                       /* 0x02 */
384     U16             LMID;                       /* 0x04 */
385     U16             Reserved;                   /* 0x06 */
386 } MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
387   MPI2_POINTER PTR_MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
388   Mpi2RAIDAcceleratorRequestDescriptor_t,
389   MPI2_POINTER pMpi2RAIDAcceleratorRequestDescriptor_t;
390 
391 
392 /* union of Request Descriptors */
393 typedef union _MPI2_REQUEST_DESCRIPTOR_UNION
394 {
395     MPI2_DEFAULT_REQUEST_DESCRIPTOR             Default;
396     MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR       HighPriority;
397     MPI2_SCSI_IO_REQUEST_DESCRIPTOR             SCSIIO;
398     MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR         SCSITarget;
399     MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR          RAIDAccelerator;
400     U64                                         Words;
401 } MPI2_REQUEST_DESCRIPTOR_UNION, MPI2_POINTER PTR_MPI2_REQUEST_DESCRIPTOR_UNION,
402   Mpi2RequestDescriptorUnion_t, MPI2_POINTER pMpi2RequestDescriptorUnion_t;
403 
404 
405 /* Reply Descriptors */
406 
407 /* Default Reply Descriptor */
408 typedef struct _MPI2_DEFAULT_REPLY_DESCRIPTOR
409 {
410     U8              ReplyFlags;                 /* 0x00 */
411     U8              MSIxIndex;                  /* 0x01 */
412     U16             DescriptorTypeDependent1;   /* 0x02 */
413     U32             DescriptorTypeDependent2;   /* 0x04 */
414 } MPI2_DEFAULT_REPLY_DESCRIPTOR, MPI2_POINTER PTR_MPI2_DEFAULT_REPLY_DESCRIPTOR,
415   Mpi2DefaultReplyDescriptor_t, MPI2_POINTER pMpi2DefaultReplyDescriptor_t;
416 
417 /* defines for the ReplyFlags field */
418 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
419 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
420 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
421 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
422 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
423 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
424 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
425 
426 /* values for marking a reply descriptor as unused */
427 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
428 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
429 
430 /* Address Reply Descriptor */
431 typedef struct _MPI2_ADDRESS_REPLY_DESCRIPTOR
432 {
433     U8              ReplyFlags;                 /* 0x00 */
434     U8              MSIxIndex;                  /* 0x01 */
435     U16             SMID;                       /* 0x02 */
436     U32             ReplyFrameAddress;          /* 0x04 */
437 } MPI2_ADDRESS_REPLY_DESCRIPTOR, MPI2_POINTER PTR_MPI2_ADDRESS_REPLY_DESCRIPTOR,
438   Mpi2AddressReplyDescriptor_t, MPI2_POINTER pMpi2AddressReplyDescriptor_t;
439 
440 #define MPI2_ADDRESS_REPLY_SMID_INVALID                 (0x00)
441 
442 
443 /* SCSI IO Success Reply Descriptor */
444 typedef struct _MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR
445 {
446     U8              ReplyFlags;                 /* 0x00 */
447     U8              MSIxIndex;                  /* 0x01 */
448     U16             SMID;                       /* 0x02 */
449     U16             TaskTag;                    /* 0x04 */
450     U16             Reserved1;                  /* 0x06 */
451 } MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
452   MPI2_POINTER PTR_MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
453   Mpi2SCSIIOSuccessReplyDescriptor_t,
454   MPI2_POINTER pMpi2SCSIIOSuccessReplyDescriptor_t;
455 
456 
457 /* TargetAssist Success Reply Descriptor */
458 typedef struct _MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR
459 {
460     U8              ReplyFlags;                 /* 0x00 */
461     U8              MSIxIndex;                  /* 0x01 */
462     U16             SMID;                       /* 0x02 */
463     U8              SequenceNumber;             /* 0x04 */
464     U8              Reserved1;                  /* 0x05 */
465     U16             IoIndex;                    /* 0x06 */
466 } MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
467   MPI2_POINTER PTR_MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
468   Mpi2TargetAssistSuccessReplyDescriptor_t,
469   MPI2_POINTER pMpi2TargetAssistSuccessReplyDescriptor_t;
470 
471 
472 /* Target Command Buffer Reply Descriptor */
473 typedef struct _MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR
474 {
475     U8              ReplyFlags;                 /* 0x00 */
476     U8              MSIxIndex;                  /* 0x01 */
477     U8              VP_ID;                      /* 0x02 */
478     U8              Flags;                      /* 0x03 */
479     U16             InitiatorDevHandle;         /* 0x04 */
480     U16             IoIndex;                    /* 0x06 */
481 } MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
482   MPI2_POINTER PTR_MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
483   Mpi2TargetCommandBufferReplyDescriptor_t,
484   MPI2_POINTER pMpi2TargetCommandBufferReplyDescriptor_t;
485 
486 /* defines for Flags field */
487 #define MPI2_RPY_DESCRIPT_TCB_FLAGS_PHYNUM_MASK     (0x3F)
488 
489 
490 /* RAID Accelerator Success Reply Descriptor */
491 typedef struct _MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR
492 {
493     U8              ReplyFlags;                 /* 0x00 */
494     U8              MSIxIndex;                  /* 0x01 */
495     U16             SMID;                       /* 0x02 */
496     U32             Reserved;                   /* 0x04 */
497 } MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
498   MPI2_POINTER PTR_MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
499   Mpi2RAIDAcceleratorSuccessReplyDescriptor_t,
500   MPI2_POINTER pMpi2RAIDAcceleratorSuccessReplyDescriptor_t;
501 
502 
503 /* union of Reply Descriptors */
504 typedef union _MPI2_REPLY_DESCRIPTORS_UNION
505 {
506     MPI2_DEFAULT_REPLY_DESCRIPTOR                   Default;
507     MPI2_ADDRESS_REPLY_DESCRIPTOR                   AddressReply;
508     MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR           SCSIIOSuccess;
509     MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR      TargetAssistSuccess;
510     MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR     TargetCommandBuffer;
511     MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR  RAIDAcceleratorSuccess;
512     U64                                             Words;
513 } MPI2_REPLY_DESCRIPTORS_UNION, MPI2_POINTER PTR_MPI2_REPLY_DESCRIPTORS_UNION,
514   Mpi2ReplyDescriptorsUnion_t, MPI2_POINTER pMpi2ReplyDescriptorsUnion_t;
515 
516 
517 
518 /*****************************************************************************
519 *
520 *        Message Functions
521 *
522 *****************************************************************************/
523 
524 #define MPI2_FUNCTION_SCSI_IO_REQUEST               (0x00) /* SCSI IO */
525 #define MPI2_FUNCTION_SCSI_TASK_MGMT                (0x01) /* SCSI Task Management */
526 #define MPI2_FUNCTION_IOC_INIT                      (0x02) /* IOC Init */
527 #define MPI2_FUNCTION_IOC_FACTS                     (0x03) /* IOC Facts */
528 #define MPI2_FUNCTION_CONFIG                        (0x04) /* Configuration */
529 #define MPI2_FUNCTION_PORT_FACTS                    (0x05) /* Port Facts */
530 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06) /* Port Enable */
531 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07) /* Event Notification */
532 #define MPI2_FUNCTION_EVENT_ACK                     (0x08) /* Event Acknowledge */
533 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09) /* FW Download */
534 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B) /* Target Assist */
535 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C) /* Target Status Send */
536 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D) /* Target Mode Abort */
537 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12) /* FW Upload */
538 #define MPI2_FUNCTION_RAID_ACTION                   (0x15) /* RAID Action */
539 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16) /* SCSI IO RAID Passthrough */
540 #define MPI2_FUNCTION_TOOLBOX                       (0x17) /* Toolbox */
541 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18) /* SCSI Enclosure Processor */
542 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A) /* SMP Passthrough */
543 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B) /* SAS IO Unit Control */
544 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C) /* SATA Passthrough */
545 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D) /* Diagnostic Buffer Post */
546 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E) /* Diagnostic Release */
547 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24) /* Target Command Buffer Post Base */
548 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25) /* Target Command Buffer Post List */
549 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C) /* RAID Accelerator */
550 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F) /* Host Based Discovery Action */
551 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30) /* Power Management Control */
552 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0) /* beginning of product-specific range */
553 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF) /* end of product-specific range */
554 
555 
556 
557 /* Doorbell functions */
558 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
559 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
560 
561 
562 /*****************************************************************************
563 *
564 *        IOC Status Values
565 *
566 *****************************************************************************/
567 
568 /* mask for IOCStatus status value */
569 #define MPI2_IOCSTATUS_MASK                     (0x7FFF)
570 
571 /****************************************************************************
572 *  Common IOCStatus values for all replies
573 ****************************************************************************/
574 
575 #define MPI2_IOCSTATUS_SUCCESS                      (0x0000)
576 #define MPI2_IOCSTATUS_INVALID_FUNCTION             (0x0001)
577 #define MPI2_IOCSTATUS_BUSY                         (0x0002)
578 #define MPI2_IOCSTATUS_INVALID_SGL                  (0x0003)
579 #define MPI2_IOCSTATUS_INTERNAL_ERROR               (0x0004)
580 #define MPI2_IOCSTATUS_INVALID_VPID                 (0x0005)
581 #define MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES       (0x0006)
582 #define MPI2_IOCSTATUS_INVALID_FIELD                (0x0007)
583 #define MPI2_IOCSTATUS_INVALID_STATE                (0x0008)
584 #define MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED       (0x0009)
585 
586 /****************************************************************************
587 *  Config IOCStatus values
588 ****************************************************************************/
589 
590 #define MPI2_IOCSTATUS_CONFIG_INVALID_ACTION        (0x0020)
591 #define MPI2_IOCSTATUS_CONFIG_INVALID_TYPE          (0x0021)
592 #define MPI2_IOCSTATUS_CONFIG_INVALID_PAGE          (0x0022)
593 #define MPI2_IOCSTATUS_CONFIG_INVALID_DATA          (0x0023)
594 #define MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS           (0x0024)
595 #define MPI2_IOCSTATUS_CONFIG_CANT_COMMIT           (0x0025)
596 
597 /****************************************************************************
598 *  SCSI IO Reply
599 ****************************************************************************/
600 
601 #define MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR         (0x0040)
602 #define MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE       (0x0042)
603 #define MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE        (0x0043)
604 #define MPI2_IOCSTATUS_SCSI_DATA_OVERRUN            (0x0044)
605 #define MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN           (0x0045)
606 #define MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR           (0x0046)
607 #define MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR          (0x0047)
608 #define MPI2_IOCSTATUS_SCSI_TASK_TERMINATED         (0x0048)
609 #define MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH       (0x0049)
610 #define MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED        (0x004A)
611 #define MPI2_IOCSTATUS_SCSI_IOC_TERMINATED          (0x004B)
612 #define MPI2_IOCSTATUS_SCSI_EXT_TERMINATED          (0x004C)
613 
614 /****************************************************************************
615 *  For use by SCSI Initiator and SCSI Target end-to-end data protection
616 ****************************************************************************/
617 
618 #define MPI2_IOCSTATUS_EEDP_GUARD_ERROR             (0x004D)
619 #define MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR           (0x004E)
620 #define MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR           (0x004F)
621 
622 /****************************************************************************
623 *  SCSI Target values
624 ****************************************************************************/
625 
626 #define MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX      (0x0062)
627 #define MPI2_IOCSTATUS_TARGET_ABORTED               (0x0063)
628 #define MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE     (0x0064)
629 #define MPI2_IOCSTATUS_TARGET_NO_CONNECTION         (0x0065)
630 #define MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH   (0x006A)
631 #define MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR     (0x006D)
632 #define MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA   (0x006E)
633 #define MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT          (0x006F)
634 #define MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT       (0x0070)
635 #define MPI2_IOCSTATUS_TARGET_NAK_RECEIVED          (0x0071)
636 
637 /****************************************************************************
638 *  Serial Attached SCSI values
639 ****************************************************************************/
640 
641 #define MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED       (0x0090)
642 #define MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN         (0x0091)
643 
644 /****************************************************************************
645 *  Diagnostic Buffer Post / Diagnostic Release values
646 ****************************************************************************/
647 
648 #define MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED          (0x00A0)
649 
650 /****************************************************************************
651 *  RAID Accelerator values
652 ****************************************************************************/
653 
654 #define MPI2_IOCSTATUS_RAID_ACCEL_ERROR             (0x00B0)
655 
656 /****************************************************************************
657 *  IOCStatus flag to indicate that log info is available
658 ****************************************************************************/
659 
660 #define MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE      (0x8000)
661 
662 /****************************************************************************
663 *  IOCLogInfo Types
664 ****************************************************************************/
665 
666 #define MPI2_IOCLOGINFO_TYPE_MASK               (0xF0000000)
667 #define MPI2_IOCLOGINFO_TYPE_SHIFT              (28)
668 #define MPI2_IOCLOGINFO_TYPE_NONE               (0x0)
669 #define MPI2_IOCLOGINFO_TYPE_SCSI               (0x1)
670 #define MPI2_IOCLOGINFO_TYPE_FC                 (0x2)
671 #define MPI2_IOCLOGINFO_TYPE_SAS                (0x3)
672 #define MPI2_IOCLOGINFO_TYPE_ISCSI              (0x4)
673 #define MPI2_IOCLOGINFO_LOG_DATA_MASK           (0x0FFFFFFF)
674 
675 
676 /*****************************************************************************
677 *
678 *        Standard Message Structures
679 *
680 *****************************************************************************/
681 
682 /****************************************************************************
683 * Request Message Header for all request messages
684 ****************************************************************************/
685 
686 typedef struct _MPI2_REQUEST_HEADER
687 {
688     U16             FunctionDependent1;         /* 0x00 */
689     U8              ChainOffset;                /* 0x02 */
690     U8              Function;                   /* 0x03 */
691     U16             FunctionDependent2;         /* 0x04 */
692     U8              FunctionDependent3;         /* 0x06 */
693     U8              MsgFlags;                   /* 0x07 */
694     U8              VP_ID;                      /* 0x08 */
695     U8              VF_ID;                      /* 0x09 */
696     U16             Reserved1;                  /* 0x0A */
697 } MPI2_REQUEST_HEADER, MPI2_POINTER PTR_MPI2_REQUEST_HEADER,
698   MPI2RequestHeader_t, MPI2_POINTER pMPI2RequestHeader_t;
699 
700 
701 /****************************************************************************
702 *  Default Reply
703 ****************************************************************************/
704 
705 typedef struct _MPI2_DEFAULT_REPLY
706 {
707     U16             FunctionDependent1;         /* 0x00 */
708     U8              MsgLength;                  /* 0x02 */
709     U8              Function;                   /* 0x03 */
710     U16             FunctionDependent2;         /* 0x04 */
711     U8              FunctionDependent3;         /* 0x06 */
712     U8              MsgFlags;                   /* 0x07 */
713     U8              VP_ID;                      /* 0x08 */
714     U8              VF_ID;                      /* 0x09 */
715     U16             Reserved1;                  /* 0x0A */
716     U16             FunctionDependent5;         /* 0x0C */
717     U16             IOCStatus;                  /* 0x0E */
718     U32             IOCLogInfo;                 /* 0x10 */
719 } MPI2_DEFAULT_REPLY, MPI2_POINTER PTR_MPI2_DEFAULT_REPLY,
720   MPI2DefaultReply_t, MPI2_POINTER pMPI2DefaultReply_t;
721 
722 
723 /* common version structure/union used in messages and configuration pages */
724 
725 typedef struct _MPI2_VERSION_STRUCT
726 {
727     U8                      Dev;                        /* 0x00 */
728     U8                      Unit;                       /* 0x01 */
729     U8                      Minor;                      /* 0x02 */
730     U8                      Major;                      /* 0x03 */
731 } MPI2_VERSION_STRUCT;
732 
733 typedef union _MPI2_VERSION_UNION
734 {
735     MPI2_VERSION_STRUCT     Struct;
736     U32                     Word;
737 } MPI2_VERSION_UNION;
738 
739 
740 /* LUN field defines, common to many structures */
741 #define MPI2_LUN_FIRST_LEVEL_ADDRESSING             (0x0000FFFF)
742 #define MPI2_LUN_SECOND_LEVEL_ADDRESSING            (0xFFFF0000)
743 #define MPI2_LUN_THIRD_LEVEL_ADDRESSING             (0x0000FFFF)
744 #define MPI2_LUN_FOURTH_LEVEL_ADDRESSING            (0xFFFF0000)
745 #define MPI2_LUN_LEVEL_1_WORD                       (0xFF00)
746 #define MPI2_LUN_LEVEL_1_DWORD                      (0x0000FF00)
747 
748 
749 /*****************************************************************************
750 *
751 *        Fusion-MPT MPI Scatter Gather Elements
752 *
753 *****************************************************************************/
754 
755 /****************************************************************************
756 *  MPI Simple Element structures
757 ****************************************************************************/
758 
759 typedef struct _MPI2_SGE_SIMPLE32
760 {
761     U32                     FlagsLength;
762     U32                     Address;
763 } MPI2_SGE_SIMPLE32, MPI2_POINTER PTR_MPI2_SGE_SIMPLE32,
764   Mpi2SGESimple32_t, MPI2_POINTER pMpi2SGESimple32_t;
765 
766 typedef struct _MPI2_SGE_SIMPLE64
767 {
768     U32                     FlagsLength;
769     U64                     Address;
770 } MPI2_SGE_SIMPLE64, MPI2_POINTER PTR_MPI2_SGE_SIMPLE64,
771   Mpi2SGESimple64_t, MPI2_POINTER pMpi2SGESimple64_t;
772 
773 typedef struct _MPI2_SGE_SIMPLE_UNION
774 {
775     U32                     FlagsLength;
776     union
777     {
778         U32                 Address32;
779         U64                 Address64;
780     } u;
781 } MPI2_SGE_SIMPLE_UNION, MPI2_POINTER PTR_MPI2_SGE_SIMPLE_UNION,
782   Mpi2SGESimpleUnion_t, MPI2_POINTER pMpi2SGESimpleUnion_t;
783 
784 
785 /****************************************************************************
786 *  MPI Chain Element structures
787 ****************************************************************************/
788 
789 typedef struct _MPI2_SGE_CHAIN32
790 {
791     U16                     Length;
792     U8                      NextChainOffset;
793     U8                      Flags;
794     U32                     Address;
795 } MPI2_SGE_CHAIN32, MPI2_POINTER PTR_MPI2_SGE_CHAIN32,
796   Mpi2SGEChain32_t, MPI2_POINTER pMpi2SGEChain32_t;
797 
798 typedef struct _MPI2_SGE_CHAIN64
799 {
800     U16                     Length;
801     U8                      NextChainOffset;
802     U8                      Flags;
803     U64                     Address;
804 } MPI2_SGE_CHAIN64, MPI2_POINTER PTR_MPI2_SGE_CHAIN64,
805   Mpi2SGEChain64_t, MPI2_POINTER pMpi2SGEChain64_t;
806 
807 typedef struct _MPI2_SGE_CHAIN_UNION
808 {
809     U16                     Length;
810     U8                      NextChainOffset;
811     U8                      Flags;
812     union
813     {
814         U32                 Address32;
815         U64                 Address64;
816     } u;
817 } MPI2_SGE_CHAIN_UNION, MPI2_POINTER PTR_MPI2_SGE_CHAIN_UNION,
818   Mpi2SGEChainUnion_t, MPI2_POINTER pMpi2SGEChainUnion_t;
819 
820 
821 /****************************************************************************
822 *  MPI Transaction Context Element structures
823 ****************************************************************************/
824 
825 typedef struct _MPI2_SGE_TRANSACTION32
826 {
827     U8                      Reserved;
828     U8                      ContextSize;
829     U8                      DetailsLength;
830     U8                      Flags;
831     U32                     TransactionContext[1];
832     U32                     TransactionDetails[1];
833 } MPI2_SGE_TRANSACTION32, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION32,
834   Mpi2SGETransaction32_t, MPI2_POINTER pMpi2SGETransaction32_t;
835 
836 typedef struct _MPI2_SGE_TRANSACTION64
837 {
838     U8                      Reserved;
839     U8                      ContextSize;
840     U8                      DetailsLength;
841     U8                      Flags;
842     U32                     TransactionContext[2];
843     U32                     TransactionDetails[1];
844 } MPI2_SGE_TRANSACTION64, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION64,
845   Mpi2SGETransaction64_t, MPI2_POINTER pMpi2SGETransaction64_t;
846 
847 typedef struct _MPI2_SGE_TRANSACTION96
848 {
849     U8                      Reserved;
850     U8                      ContextSize;
851     U8                      DetailsLength;
852     U8                      Flags;
853     U32                     TransactionContext[3];
854     U32                     TransactionDetails[1];
855 } MPI2_SGE_TRANSACTION96, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION96,
856   Mpi2SGETransaction96_t, MPI2_POINTER pMpi2SGETransaction96_t;
857 
858 typedef struct _MPI2_SGE_TRANSACTION128
859 {
860     U8                      Reserved;
861     U8                      ContextSize;
862     U8                      DetailsLength;
863     U8                      Flags;
864     U32                     TransactionContext[4];
865     U32                     TransactionDetails[1];
866 } MPI2_SGE_TRANSACTION128, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION128,
867   Mpi2SGETransaction_t128, MPI2_POINTER pMpi2SGETransaction_t128;
868 
869 typedef struct _MPI2_SGE_TRANSACTION_UNION
870 {
871     U8                      Reserved;
872     U8                      ContextSize;
873     U8                      DetailsLength;
874     U8                      Flags;
875     union
876     {
877         U32                 TransactionContext32[1];
878         U32                 TransactionContext64[2];
879         U32                 TransactionContext96[3];
880         U32                 TransactionContext128[4];
881     } u;
882     U32                     TransactionDetails[1];
883 } MPI2_SGE_TRANSACTION_UNION, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION_UNION,
884   Mpi2SGETransactionUnion_t, MPI2_POINTER pMpi2SGETransactionUnion_t;
885 
886 
887 /****************************************************************************
888 *  MPI SGE union for IO SGL's
889 ****************************************************************************/
890 
891 typedef struct _MPI2_MPI_SGE_IO_UNION
892 {
893     union
894     {
895         MPI2_SGE_SIMPLE_UNION   Simple;
896         MPI2_SGE_CHAIN_UNION    Chain;
897     } u;
898 } MPI2_MPI_SGE_IO_UNION, MPI2_POINTER PTR_MPI2_MPI_SGE_IO_UNION,
899   Mpi2MpiSGEIOUnion_t, MPI2_POINTER pMpi2MpiSGEIOUnion_t;
900 
901 
902 /****************************************************************************
903 *  MPI SGE union for SGL's with Simple and Transaction elements
904 ****************************************************************************/
905 
906 typedef struct _MPI2_SGE_TRANS_SIMPLE_UNION
907 {
908     union
909     {
910         MPI2_SGE_SIMPLE_UNION       Simple;
911         MPI2_SGE_TRANSACTION_UNION  Transaction;
912     } u;
913 } MPI2_SGE_TRANS_SIMPLE_UNION, MPI2_POINTER PTR_MPI2_SGE_TRANS_SIMPLE_UNION,
914   Mpi2SGETransSimpleUnion_t, MPI2_POINTER pMpi2SGETransSimpleUnion_t;
915 
916 
917 /****************************************************************************
918 *  All MPI SGE types union
919 ****************************************************************************/
920 
921 typedef struct _MPI2_MPI_SGE_UNION
922 {
923     union
924     {
925         MPI2_SGE_SIMPLE_UNION       Simple;
926         MPI2_SGE_CHAIN_UNION        Chain;
927         MPI2_SGE_TRANSACTION_UNION  Transaction;
928     } u;
929 } MPI2_MPI_SGE_UNION, MPI2_POINTER PTR_MPI2_MPI_SGE_UNION,
930   Mpi2MpiSgeUnion_t, MPI2_POINTER pMpi2MpiSgeUnion_t;
931 
932 
933 /****************************************************************************
934 *  MPI SGE field definition and masks
935 ****************************************************************************/
936 
937 /* Flags field bit definitions */
938 
939 #define MPI2_SGE_FLAGS_LAST_ELEMENT             (0x80)
940 #define MPI2_SGE_FLAGS_END_OF_BUFFER            (0x40)
941 #define MPI2_SGE_FLAGS_ELEMENT_TYPE_MASK        (0x30)
942 #define MPI2_SGE_FLAGS_LOCAL_ADDRESS            (0x08)
943 #define MPI2_SGE_FLAGS_DIRECTION                (0x04)
944 #define MPI2_SGE_FLAGS_ADDRESS_SIZE             (0x02)
945 #define MPI2_SGE_FLAGS_END_OF_LIST              (0x01)
946 
947 #define MPI2_SGE_FLAGS_SHIFT                    (24)
948 
949 #define MPI2_SGE_LENGTH_MASK                    (0x00FFFFFF)
950 #define MPI2_SGE_CHAIN_LENGTH_MASK              (0x0000FFFF)
951 
952 /* Element Type */
953 
954 #define MPI2_SGE_FLAGS_TRANSACTION_ELEMENT      (0x00)
955 #define MPI2_SGE_FLAGS_SIMPLE_ELEMENT           (0x10)
956 #define MPI2_SGE_FLAGS_CHAIN_ELEMENT            (0x30)
957 #define MPI2_SGE_FLAGS_ELEMENT_MASK             (0x30)
958 
959 /* Address location */
960 
961 #define MPI2_SGE_FLAGS_SYSTEM_ADDRESS           (0x00)
962 
963 /* Direction */
964 
965 #define MPI2_SGE_FLAGS_IOC_TO_HOST              (0x00)
966 #define MPI2_SGE_FLAGS_HOST_TO_IOC              (0x04)
967 
968 #define MPI2_SGE_FLAGS_DEST                     (MPI2_SGE_FLAGS_IOC_TO_HOST)
969 #define MPI2_SGE_FLAGS_SOURCE                   (MPI2_SGE_FLAGS_HOST_TO_IOC)
970 
971 /* Address Size */
972 
973 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
974 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
975 
976 /* Context Size */
977 
978 #define MPI2_SGE_FLAGS_32_BIT_CONTEXT           (0x00)
979 #define MPI2_SGE_FLAGS_64_BIT_CONTEXT           (0x02)
980 #define MPI2_SGE_FLAGS_96_BIT_CONTEXT           (0x04)
981 #define MPI2_SGE_FLAGS_128_BIT_CONTEXT          (0x06)
982 
983 #define MPI2_SGE_CHAIN_OFFSET_MASK              (0x00FF0000)
984 #define MPI2_SGE_CHAIN_OFFSET_SHIFT             (16)
985 
986 /****************************************************************************
987 *  MPI SGE operation Macros
988 ****************************************************************************/
989 
990 /* SIMPLE FlagsLength manipulations... */
991 #define MPI2_SGE_SET_FLAGS(f)          ((U32)(f) << MPI2_SGE_FLAGS_SHIFT)
992 #define MPI2_SGE_GET_FLAGS(f)          (((f) & ~MPI2_SGE_LENGTH_MASK) >> MPI2_SGE_FLAGS_SHIFT)
993 #define MPI2_SGE_LENGTH(f)             ((f) & MPI2_SGE_LENGTH_MASK)
994 #define MPI2_SGE_CHAIN_LENGTH(f)       ((f) & MPI2_SGE_CHAIN_LENGTH_MASK)
995 
996 #define MPI2_SGE_SET_FLAGS_LENGTH(f,l) (MPI2_SGE_SET_FLAGS(f) | MPI2_SGE_LENGTH(l))
997 
998 #define MPI2_pSGE_GET_FLAGS(psg)            MPI2_SGE_GET_FLAGS((psg)->FlagsLength)
999 #define MPI2_pSGE_GET_LENGTH(psg)           MPI2_SGE_LENGTH((psg)->FlagsLength)
1000 #define MPI2_pSGE_SET_FLAGS_LENGTH(psg,f,l) (psg)->FlagsLength = MPI2_SGE_SET_FLAGS_LENGTH(f,l)
1001 
1002 /* CAUTION - The following are READ-MODIFY-WRITE! */
1003 #define MPI2_pSGE_SET_FLAGS(psg,f)      (psg)->FlagsLength |= MPI2_SGE_SET_FLAGS(f)
1004 #define MPI2_pSGE_SET_LENGTH(psg,l)     (psg)->FlagsLength |= MPI2_SGE_LENGTH(l)
1005 
1006 #define MPI2_GET_CHAIN_OFFSET(x)    ((x & MPI2_SGE_CHAIN_OFFSET_MASK) >> MPI2_SGE_CHAIN_OFFSET_SHIFT)
1007 
1008 
1009 /*****************************************************************************
1010 *
1011 *        Fusion-MPT IEEE Scatter Gather Elements
1012 *
1013 *****************************************************************************/
1014 
1015 /****************************************************************************
1016 *  IEEE Simple Element structures
1017 ****************************************************************************/
1018 
1019 typedef struct _MPI2_IEEE_SGE_SIMPLE32
1020 {
1021     U32                     Address;
1022     U32                     FlagsLength;
1023 } MPI2_IEEE_SGE_SIMPLE32, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE32,
1024   Mpi2IeeeSgeSimple32_t, MPI2_POINTER pMpi2IeeeSgeSimple32_t;
1025 
1026 typedef struct _MPI2_IEEE_SGE_SIMPLE64
1027 {
1028     U64                     Address;
1029     U32                     Length;
1030     U16                     Reserved1;
1031     U8                      Reserved2;
1032     U8                      Flags;
1033 } MPI2_IEEE_SGE_SIMPLE64, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE64,
1034   Mpi2IeeeSgeSimple64_t, MPI2_POINTER pMpi2IeeeSgeSimple64_t;
1035 
1036 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION
1037 {
1038     MPI2_IEEE_SGE_SIMPLE32  Simple32;
1039     MPI2_IEEE_SGE_SIMPLE64  Simple64;
1040 } MPI2_IEEE_SGE_SIMPLE_UNION, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE_UNION,
1041   Mpi2IeeeSgeSimpleUnion_t, MPI2_POINTER pMpi2IeeeSgeSimpleUnion_t;
1042 
1043 
1044 /****************************************************************************
1045 *  IEEE Chain Element structures
1046 ****************************************************************************/
1047 
1048 typedef MPI2_IEEE_SGE_SIMPLE32  MPI2_IEEE_SGE_CHAIN32;
1049 
1050 typedef MPI2_IEEE_SGE_SIMPLE64  MPI2_IEEE_SGE_CHAIN64;
1051 
1052 typedef union _MPI2_IEEE_SGE_CHAIN_UNION
1053 {
1054     MPI2_IEEE_SGE_CHAIN32   Chain32;
1055     MPI2_IEEE_SGE_CHAIN64   Chain64;
1056 } MPI2_IEEE_SGE_CHAIN_UNION, MPI2_POINTER PTR_MPI2_IEEE_SGE_CHAIN_UNION,
1057   Mpi2IeeeSgeChainUnion_t, MPI2_POINTER pMpi2IeeeSgeChainUnion_t;
1058 
1059 
1060 /****************************************************************************
1061 *  All IEEE SGE types union
1062 ****************************************************************************/
1063 
1064 typedef struct _MPI2_IEEE_SGE_UNION
1065 {
1066     union
1067     {
1068         MPI2_IEEE_SGE_SIMPLE_UNION  Simple;
1069         MPI2_IEEE_SGE_CHAIN_UNION   Chain;
1070     } u;
1071 } MPI2_IEEE_SGE_UNION, MPI2_POINTER PTR_MPI2_IEEE_SGE_UNION,
1072   Mpi2IeeeSgeUnion_t, MPI2_POINTER pMpi2IeeeSgeUnion_t;
1073 
1074 
1075 /****************************************************************************
1076 *  IEEE SGE field definitions and masks
1077 ****************************************************************************/
1078 
1079 /* Flags field bit definitions */
1080 
1081 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1082 
1083 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1084 
1085 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1086 
1087 /* Element Type */
1088 
1089 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1090 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1091 
1092 /* Data Location Address Space */
1093 
1094 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1095 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00) /* IEEE Simple Element only */
1096 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01) /* IEEE Simple Element only */
1097 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1098 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03) /* IEEE Simple Element only */
1099 #define MPI2_IEEE_SGE_FLAGS_SYSTEMPLBCPI_ADDR   (0x03) /* IEEE Chain Element only */
1100 
1101 /****************************************************************************
1102 *  IEEE SGE operation Macros
1103 ****************************************************************************/
1104 
1105 /* SIMPLE FlagsLength manipulations... */
1106 #define MPI2_IEEE32_SGE_SET_FLAGS(f)     ((U32)(f) << MPI2_IEEE32_SGE_FLAGS_SHIFT)
1107 #define MPI2_IEEE32_SGE_GET_FLAGS(f)     (((f) & ~MPI2_IEEE32_SGE_LENGTH_MASK) >> MPI2_IEEE32_SGE_FLAGS_SHIFT)
1108 #define MPI2_IEEE32_SGE_LENGTH(f)        ((f) & MPI2_IEEE32_SGE_LENGTH_MASK)
1109 
1110 #define MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f, l)      (MPI2_IEEE32_SGE_SET_FLAGS(f) | MPI2_IEEE32_SGE_LENGTH(l))
1111 
1112 #define MPI2_IEEE32_pSGE_GET_FLAGS(psg)             MPI2_IEEE32_SGE_GET_FLAGS((psg)->FlagsLength)
1113 #define MPI2_IEEE32_pSGE_GET_LENGTH(psg)            MPI2_IEEE32_SGE_LENGTH((psg)->FlagsLength)
1114 #define MPI2_IEEE32_pSGE_SET_FLAGS_LENGTH(psg,f,l)  (psg)->FlagsLength = MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f,l)
1115 
1116 /* CAUTION - The following are READ-MODIFY-WRITE! */
1117 #define MPI2_IEEE32_pSGE_SET_FLAGS(psg,f)    (psg)->FlagsLength |= MPI2_IEEE32_SGE_SET_FLAGS(f)
1118 #define MPI2_IEEE32_pSGE_SET_LENGTH(psg,l)   (psg)->FlagsLength |= MPI2_IEEE32_SGE_LENGTH(l)
1119 
1120 
1121 
1122 
1123 /*****************************************************************************
1124 *
1125 *        Fusion-MPT MPI/IEEE Scatter Gather Unions
1126 *
1127 *****************************************************************************/
1128 
1129 typedef union _MPI2_SIMPLE_SGE_UNION
1130 {
1131     MPI2_SGE_SIMPLE_UNION       MpiSimple;
1132     MPI2_IEEE_SGE_SIMPLE_UNION  IeeeSimple;
1133 } MPI2_SIMPLE_SGE_UNION, MPI2_POINTER PTR_MPI2_SIMPLE_SGE_UNION,
1134   Mpi2SimpleSgeUntion_t, MPI2_POINTER pMpi2SimpleSgeUntion_t;
1135 
1136 
1137 typedef union _MPI2_SGE_IO_UNION
1138 {
1139     MPI2_SGE_SIMPLE_UNION       MpiSimple;
1140     MPI2_SGE_CHAIN_UNION        MpiChain;
1141     MPI2_IEEE_SGE_SIMPLE_UNION  IeeeSimple;
1142     MPI2_IEEE_SGE_CHAIN_UNION   IeeeChain;
1143 } MPI2_SGE_IO_UNION, MPI2_POINTER PTR_MPI2_SGE_IO_UNION,
1144   Mpi2SGEIOUnion_t, MPI2_POINTER pMpi2SGEIOUnion_t;
1145 
1146 
1147 /****************************************************************************
1148 *
1149 *  Values for SGLFlags field, used in many request messages with an SGL
1150 *
1151 ****************************************************************************/
1152 
1153 /* values for MPI SGL Data Location Address Space subfield */
1154 #define MPI2_SGLFLAGS_ADDRESS_SPACE_MASK            (0x0C)
1155 #define MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE          (0x00)
1156 #define MPI2_SGLFLAGS_IOCDDR_ADDRESS_SPACE          (0x04)
1157 #define MPI2_SGLFLAGS_IOCPLB_ADDRESS_SPACE          (0x08)
1158 #define MPI2_SGLFLAGS_IOCPLBNTA_ADDRESS_SPACE       (0x0C)
1159 /* values for SGL Type subfield */
1160 #define MPI2_SGLFLAGS_SGL_TYPE_MASK                 (0x03)
1161 #define MPI2_SGLFLAGS_SGL_TYPE_MPI                  (0x00)
1162 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE32               (0x01)
1163 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE64               (0x02)
1164 
1165 
1166 #endif
1167 
1168