xref: /freebsd/sys/dev/mps/mpi/mpi2.h (revision ba3c1f5972d7b90feb6e6da47905ff2757e0fe57)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 *        MPI Version Definitions
112 *
113 *****************************************************************************/
114 
115 #define MPI2_VERSION_MAJOR                  (0x02)
116 #define MPI2_VERSION_MINOR                  (0x00)
117 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
118 #define MPI2_VERSION_MAJOR_SHIFT            (8)
119 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
120 #define MPI2_VERSION_MINOR_SHIFT            (0)
121 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
122                                       MPI2_VERSION_MINOR)
123 
124 #define MPI2_VERSION_02_00                  (0x0200)
125 
126 /* versioning for this MPI header set */
127 #define MPI2_HEADER_VERSION_UNIT            (0x12)
128 #define MPI2_HEADER_VERSION_DEV             (0x00)
129 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
130 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
131 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
132 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
133 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) | MPI2_HEADER_VERSION_DEV)
134 
135 /*****************************************************************************
136 *
137 *        IOC State Definitions
138 *
139 *****************************************************************************/
140 
141 #define MPI2_IOC_STATE_RESET               (0x00000000)
142 #define MPI2_IOC_STATE_READY               (0x10000000)
143 #define MPI2_IOC_STATE_OPERATIONAL         (0x20000000)
144 #define MPI2_IOC_STATE_FAULT               (0x40000000)
145 
146 #define MPI2_IOC_STATE_MASK                (0xF0000000)
147 #define MPI2_IOC_STATE_SHIFT               (28)
148 
149 /* Fault state range for prodcut specific codes */
150 #define MPI2_FAULT_PRODUCT_SPECIFIC_MIN                 (0x0000)
151 #define MPI2_FAULT_PRODUCT_SPECIFIC_MAX                 (0xEFFF)
152 
153 /*****************************************************************************
154 *
155 *        System Interface Register Definitions
156 *
157 *****************************************************************************/
158 
159 typedef volatile struct _MPI2_SYSTEM_INTERFACE_REGS
160 {
161     U32         Doorbell;                   /* 0x00 */
162     U32         WriteSequence;              /* 0x04 */
163     U32         HostDiagnostic;             /* 0x08 */
164     U32         Reserved1;                  /* 0x0C */
165     U32         DiagRWData;                 /* 0x10 */
166     U32         DiagRWAddressLow;           /* 0x14 */
167     U32         DiagRWAddressHigh;          /* 0x18 */
168     U32         Reserved2[5];               /* 0x1C */
169     U32         HostInterruptStatus;        /* 0x30 */
170     U32         HostInterruptMask;          /* 0x34 */
171     U32         DCRData;                    /* 0x38 */
172     U32         DCRAddress;                 /* 0x3C */
173     U32         Reserved3[2];               /* 0x40 */
174     U32         ReplyFreeHostIndex;         /* 0x48 */
175     U32         Reserved4[8];               /* 0x4C */
176     U32         ReplyPostHostIndex;         /* 0x6C */
177     U32         Reserved5;                  /* 0x70 */
178     U32         HCBSize;                    /* 0x74 */
179     U32         HCBAddressLow;              /* 0x78 */
180     U32         HCBAddressHigh;             /* 0x7C */
181     U32         Reserved6[16];              /* 0x80 */
182     U32         RequestDescriptorPostLow;   /* 0xC0 */
183     U32         RequestDescriptorPostHigh;  /* 0xC4 */
184     U32         Reserved7[14];              /* 0xC8 */
185 } MPI2_SYSTEM_INTERFACE_REGS, MPI2_POINTER PTR_MPI2_SYSTEM_INTERFACE_REGS,
186   Mpi2SystemInterfaceRegs_t, MPI2_POINTER pMpi2SystemInterfaceRegs_t;
187 
188 /*
189  * Defines for working with the Doorbell register.
190  */
191 #define MPI2_DOORBELL_OFFSET                    (0x00000000)
192 
193 /* IOC --> System values */
194 #define MPI2_DOORBELL_USED                      (0x08000000)
195 #define MPI2_DOORBELL_WHO_INIT_MASK             (0x07000000)
196 #define MPI2_DOORBELL_WHO_INIT_SHIFT            (24)
197 #define MPI2_DOORBELL_FAULT_CODE_MASK           (0x0000FFFF)
198 #define MPI2_DOORBELL_DATA_MASK                 (0x0000FFFF)
199 
200 /* System --> IOC values */
201 #define MPI2_DOORBELL_FUNCTION_MASK             (0xFF000000)
202 #define MPI2_DOORBELL_FUNCTION_SHIFT            (24)
203 #define MPI2_DOORBELL_ADD_DWORDS_MASK           (0x00FF0000)
204 #define MPI2_DOORBELL_ADD_DWORDS_SHIFT          (16)
205 
206 /*
207  * Defines for the WriteSequence register
208  */
209 #define MPI2_WRITE_SEQUENCE_OFFSET              (0x00000004)
210 #define MPI2_WRSEQ_KEY_VALUE_MASK               (0x0000000F)
211 #define MPI2_WRSEQ_FLUSH_KEY_VALUE              (0x0)
212 #define MPI2_WRSEQ_1ST_KEY_VALUE                (0xF)
213 #define MPI2_WRSEQ_2ND_KEY_VALUE                (0x4)
214 #define MPI2_WRSEQ_3RD_KEY_VALUE                (0xB)
215 #define MPI2_WRSEQ_4TH_KEY_VALUE                (0x2)
216 #define MPI2_WRSEQ_5TH_KEY_VALUE                (0x7)
217 #define MPI2_WRSEQ_6TH_KEY_VALUE                (0xD)
218 
219 /*
220  * Defines for the HostDiagnostic register
221  */
222 #define MPI2_HOST_DIAGNOSTIC_OFFSET             (0x00000008)
223 
224 #define MPI2_DIAG_BOOT_DEVICE_SELECT_MASK       (0x00001800)
225 #define MPI2_DIAG_BOOT_DEVICE_SELECT_DEFAULT    (0x00000000)
226 #define MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW       (0x00000800)
227 
228 #define MPI2_DIAG_CLEAR_FLASH_BAD_SIG           (0x00000400)
229 #define MPI2_DIAG_FORCE_HCB_ON_RESET            (0x00000200)
230 #define MPI2_DIAG_HCB_MODE                      (0x00000100)
231 #define MPI2_DIAG_DIAG_WRITE_ENABLE             (0x00000080)
232 #define MPI2_DIAG_FLASH_BAD_SIG                 (0x00000040)
233 #define MPI2_DIAG_RESET_HISTORY                 (0x00000020)
234 #define MPI2_DIAG_DIAG_RW_ENABLE                (0x00000010)
235 #define MPI2_DIAG_RESET_ADAPTER                 (0x00000004)
236 #define MPI2_DIAG_HOLD_IOC_RESET                (0x00000002)
237 
238 /*
239  * Offsets for DiagRWData and address
240  */
241 #define MPI2_DIAG_RW_DATA_OFFSET                (0x00000010)
242 #define MPI2_DIAG_RW_ADDRESS_LOW_OFFSET         (0x00000014)
243 #define MPI2_DIAG_RW_ADDRESS_HIGH_OFFSET        (0x00000018)
244 
245 /*
246  * Defines for the HostInterruptStatus register
247  */
248 #define MPI2_HOST_INTERRUPT_STATUS_OFFSET       (0x00000030)
249 #define MPI2_HIS_SYS2IOC_DB_STATUS              (0x80000000)
250 #define MPI2_HIS_IOP_DOORBELL_STATUS            MPI2_HIS_SYS2IOC_DB_STATUS
251 #define MPI2_HIS_RESET_IRQ_STATUS               (0x40000000)
252 #define MPI2_HIS_REPLY_DESCRIPTOR_INTERRUPT     (0x00000008)
253 #define MPI2_HIS_IOC2SYS_DB_STATUS              (0x00000001)
254 #define MPI2_HIS_DOORBELL_INTERRUPT             MPI2_HIS_IOC2SYS_DB_STATUS
255 
256 /*
257  * Defines for the HostInterruptMask register
258  */
259 #define MPI2_HOST_INTERRUPT_MASK_OFFSET         (0x00000034)
260 #define MPI2_HIM_RESET_IRQ_MASK                 (0x40000000)
261 #define MPI2_HIM_REPLY_INT_MASK                 (0x00000008)
262 #define MPI2_HIM_RIM                            MPI2_HIM_REPLY_INT_MASK
263 #define MPI2_HIM_IOC2SYS_DB_MASK                (0x00000001)
264 #define MPI2_HIM_DIM                            MPI2_HIM_IOC2SYS_DB_MASK
265 
266 /*
267  * Offsets for DCRData and address
268  */
269 #define MPI2_DCR_DATA_OFFSET                    (0x00000038)
270 #define MPI2_DCR_ADDRESS_OFFSET                 (0x0000003C)
271 
272 /*
273  * Offset for the Reply Free Queue
274  */
275 #define MPI2_REPLY_FREE_HOST_INDEX_OFFSET       (0x00000048)
276 
277 /*
278  * Defines for the Reply Descriptor Post Queue
279  */
280 #define MPI2_REPLY_POST_HOST_INDEX_OFFSET       (0x0000006C)
281 #define MPI2_REPLY_POST_HOST_INDEX_MASK         (0x00FFFFFF)
282 #define MPI2_RPHI_MSIX_INDEX_MASK               (0xFF000000)
283 #define MPI2_RPHI_MSIX_INDEX_SHIFT              (24)
284 
285 /*
286  * Defines for the HCBSize and address
287  */
288 #define MPI2_HCB_SIZE_OFFSET                    (0x00000074)
289 #define MPI2_HCB_SIZE_SIZE_MASK                 (0xFFFFF000)
290 #define MPI2_HCB_SIZE_HCB_ENABLE                (0x00000001)
291 
292 #define MPI2_HCB_ADDRESS_LOW_OFFSET             (0x00000078)
293 #define MPI2_HCB_ADDRESS_HIGH_OFFSET            (0x0000007C)
294 
295 /*
296  * Offsets for the Request Queue
297  */
298 #define MPI2_REQUEST_DESCRIPTOR_POST_LOW_OFFSET     (0x000000C0)
299 #define MPI2_REQUEST_DESCRIPTOR_POST_HIGH_OFFSET    (0x000000C4)
300 
301 /*****************************************************************************
302 *
303 *        Message Descriptors
304 *
305 *****************************************************************************/
306 
307 /* Request Descriptors */
308 
309 /* Default Request Descriptor */
310 typedef struct _MPI2_DEFAULT_REQUEST_DESCRIPTOR
311 {
312     U8              RequestFlags;               /* 0x00 */
313     U8              MSIxIndex;                  /* 0x01 */
314     U16             SMID;                       /* 0x02 */
315     U16             LMID;                       /* 0x04 */
316     U16             DescriptorTypeDependent;    /* 0x06 */
317 } MPI2_DEFAULT_REQUEST_DESCRIPTOR,
318   MPI2_POINTER PTR_MPI2_DEFAULT_REQUEST_DESCRIPTOR,
319   Mpi2DefaultRequestDescriptor_t, MPI2_POINTER pMpi2DefaultRequestDescriptor_t;
320 
321 /* defines for the RequestFlags field */
322 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x0E)
323 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
324 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
325 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
326 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
327 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
328 
329 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
330 
331 /* High Priority Request Descriptor */
332 typedef struct _MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR
333 {
334     U8              RequestFlags;               /* 0x00 */
335     U8              MSIxIndex;                  /* 0x01 */
336     U16             SMID;                       /* 0x02 */
337     U16             LMID;                       /* 0x04 */
338     U16             Reserved1;                  /* 0x06 */
339 } MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
340   MPI2_POINTER PTR_MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
341   Mpi2HighPriorityRequestDescriptor_t,
342   MPI2_POINTER pMpi2HighPriorityRequestDescriptor_t;
343 
344 /* SCSI IO Request Descriptor */
345 typedef struct _MPI2_SCSI_IO_REQUEST_DESCRIPTOR
346 {
347     U8              RequestFlags;               /* 0x00 */
348     U8              MSIxIndex;                  /* 0x01 */
349     U16             SMID;                       /* 0x02 */
350     U16             LMID;                       /* 0x04 */
351     U16             DevHandle;                  /* 0x06 */
352 } MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
353   MPI2_POINTER PTR_MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
354   Mpi2SCSIIORequestDescriptor_t, MPI2_POINTER pMpi2SCSIIORequestDescriptor_t;
355 
356 /* SCSI Target Request Descriptor */
357 typedef struct _MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR
358 {
359     U8              RequestFlags;               /* 0x00 */
360     U8              MSIxIndex;                  /* 0x01 */
361     U16             SMID;                       /* 0x02 */
362     U16             LMID;                       /* 0x04 */
363     U16             IoIndex;                    /* 0x06 */
364 } MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
365   MPI2_POINTER PTR_MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
366   Mpi2SCSITargetRequestDescriptor_t,
367   MPI2_POINTER pMpi2SCSITargetRequestDescriptor_t;
368 
369 /* RAID Accelerator Request Descriptor */
370 typedef struct _MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR
371 {
372     U8              RequestFlags;               /* 0x00 */
373     U8              MSIxIndex;                  /* 0x01 */
374     U16             SMID;                       /* 0x02 */
375     U16             LMID;                       /* 0x04 */
376     U16             Reserved;                   /* 0x06 */
377 } MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
378   MPI2_POINTER PTR_MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
379   Mpi2RAIDAcceleratorRequestDescriptor_t,
380   MPI2_POINTER pMpi2RAIDAcceleratorRequestDescriptor_t;
381 
382 /* union of Request Descriptors */
383 typedef union _MPI2_REQUEST_DESCRIPTOR_UNION
384 {
385     MPI2_DEFAULT_REQUEST_DESCRIPTOR             Default;
386     MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR       HighPriority;
387     MPI2_SCSI_IO_REQUEST_DESCRIPTOR             SCSIIO;
388     MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR         SCSITarget;
389     MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR          RAIDAccelerator;
390     U64                                         Words;
391 } MPI2_REQUEST_DESCRIPTOR_UNION, MPI2_POINTER PTR_MPI2_REQUEST_DESCRIPTOR_UNION,
392   Mpi2RequestDescriptorUnion_t, MPI2_POINTER pMpi2RequestDescriptorUnion_t;
393 
394 /* Reply Descriptors */
395 
396 /* Default Reply Descriptor */
397 typedef struct _MPI2_DEFAULT_REPLY_DESCRIPTOR
398 {
399     U8              ReplyFlags;                 /* 0x00 */
400     U8              MSIxIndex;                  /* 0x01 */
401     U16             DescriptorTypeDependent1;   /* 0x02 */
402     U32             DescriptorTypeDependent2;   /* 0x04 */
403 } MPI2_DEFAULT_REPLY_DESCRIPTOR, MPI2_POINTER PTR_MPI2_DEFAULT_REPLY_DESCRIPTOR,
404   Mpi2DefaultReplyDescriptor_t, MPI2_POINTER pMpi2DefaultReplyDescriptor_t;
405 
406 /* defines for the ReplyFlags field */
407 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
408 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
409 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
410 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
411 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
412 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
413 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
414 
415 /* values for marking a reply descriptor as unused */
416 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
417 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
418 
419 /* Address Reply Descriptor */
420 typedef struct _MPI2_ADDRESS_REPLY_DESCRIPTOR
421 {
422     U8              ReplyFlags;                 /* 0x00 */
423     U8              MSIxIndex;                  /* 0x01 */
424     U16             SMID;                       /* 0x02 */
425     U32             ReplyFrameAddress;          /* 0x04 */
426 } MPI2_ADDRESS_REPLY_DESCRIPTOR, MPI2_POINTER PTR_MPI2_ADDRESS_REPLY_DESCRIPTOR,
427   Mpi2AddressReplyDescriptor_t, MPI2_POINTER pMpi2AddressReplyDescriptor_t;
428 
429 #define MPI2_ADDRESS_REPLY_SMID_INVALID                 (0x00)
430 
431 /* SCSI IO Success Reply Descriptor */
432 typedef struct _MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR
433 {
434     U8              ReplyFlags;                 /* 0x00 */
435     U8              MSIxIndex;                  /* 0x01 */
436     U16             SMID;                       /* 0x02 */
437     U16             TaskTag;                    /* 0x04 */
438     U16             Reserved1;                  /* 0x06 */
439 } MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
440   MPI2_POINTER PTR_MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
441   Mpi2SCSIIOSuccessReplyDescriptor_t,
442   MPI2_POINTER pMpi2SCSIIOSuccessReplyDescriptor_t;
443 
444 /* TargetAssist Success Reply Descriptor */
445 typedef struct _MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR
446 {
447     U8              ReplyFlags;                 /* 0x00 */
448     U8              MSIxIndex;                  /* 0x01 */
449     U16             SMID;                       /* 0x02 */
450     U8              SequenceNumber;             /* 0x04 */
451     U8              Reserved1;                  /* 0x05 */
452     U16             IoIndex;                    /* 0x06 */
453 } MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
454   MPI2_POINTER PTR_MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
455   Mpi2TargetAssistSuccessReplyDescriptor_t,
456   MPI2_POINTER pMpi2TargetAssistSuccessReplyDescriptor_t;
457 
458 /* Target Command Buffer Reply Descriptor */
459 typedef struct _MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR
460 {
461     U8              ReplyFlags;                 /* 0x00 */
462     U8              MSIxIndex;                  /* 0x01 */
463     U8              VP_ID;                      /* 0x02 */
464     U8              Flags;                      /* 0x03 */
465     U16             InitiatorDevHandle;         /* 0x04 */
466     U16             IoIndex;                    /* 0x06 */
467 } MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
468   MPI2_POINTER PTR_MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
469   Mpi2TargetCommandBufferReplyDescriptor_t,
470   MPI2_POINTER pMpi2TargetCommandBufferReplyDescriptor_t;
471 
472 /* defines for Flags field */
473 #define MPI2_RPY_DESCRIPT_TCB_FLAGS_PHYNUM_MASK     (0x3F)
474 
475 /* RAID Accelerator Success Reply Descriptor */
476 typedef struct _MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR
477 {
478     U8              ReplyFlags;                 /* 0x00 */
479     U8              MSIxIndex;                  /* 0x01 */
480     U16             SMID;                       /* 0x02 */
481     U32             Reserved;                   /* 0x04 */
482 } MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
483   MPI2_POINTER PTR_MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
484   Mpi2RAIDAcceleratorSuccessReplyDescriptor_t,
485   MPI2_POINTER pMpi2RAIDAcceleratorSuccessReplyDescriptor_t;
486 
487 /* union of Reply Descriptors */
488 typedef union _MPI2_REPLY_DESCRIPTORS_UNION
489 {
490     MPI2_DEFAULT_REPLY_DESCRIPTOR                   Default;
491     MPI2_ADDRESS_REPLY_DESCRIPTOR                   AddressReply;
492     MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR           SCSIIOSuccess;
493     MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR      TargetAssistSuccess;
494     MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR     TargetCommandBuffer;
495     MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR  RAIDAcceleratorSuccess;
496     U64                                             Words;
497 } MPI2_REPLY_DESCRIPTORS_UNION, MPI2_POINTER PTR_MPI2_REPLY_DESCRIPTORS_UNION,
498   Mpi2ReplyDescriptorsUnion_t, MPI2_POINTER pMpi2ReplyDescriptorsUnion_t;
499 
500 /*****************************************************************************
501 *
502 *        Message Functions
503 *
504 *****************************************************************************/
505 
506 #define MPI2_FUNCTION_SCSI_IO_REQUEST               (0x00) /* SCSI IO */
507 #define MPI2_FUNCTION_SCSI_TASK_MGMT                (0x01) /* SCSI Task Management */
508 #define MPI2_FUNCTION_IOC_INIT                      (0x02) /* IOC Init */
509 #define MPI2_FUNCTION_IOC_FACTS                     (0x03) /* IOC Facts */
510 #define MPI2_FUNCTION_CONFIG                        (0x04) /* Configuration */
511 #define MPI2_FUNCTION_PORT_FACTS                    (0x05) /* Port Facts */
512 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06) /* Port Enable */
513 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07) /* Event Notification */
514 #define MPI2_FUNCTION_EVENT_ACK                     (0x08) /* Event Acknowledge */
515 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09) /* FW Download */
516 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B) /* Target Assist */
517 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C) /* Target Status Send */
518 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D) /* Target Mode Abort */
519 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12) /* FW Upload */
520 #define MPI2_FUNCTION_RAID_ACTION                   (0x15) /* RAID Action */
521 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16) /* SCSI IO RAID Passthrough */
522 #define MPI2_FUNCTION_TOOLBOX                       (0x17) /* Toolbox */
523 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18) /* SCSI Enclosure Processor */
524 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A) /* SMP Passthrough */
525 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B) /* SAS IO Unit Control */
526 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C) /* SATA Passthrough */
527 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D) /* Diagnostic Buffer Post */
528 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E) /* Diagnostic Release */
529 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24) /* Target Command Buffer Post Base */
530 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25) /* Target Command Buffer Post List */
531 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C) /* RAID Accelerator */
532 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F) /* Host Based Discovery Action */
533 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30) /* Power Management Control */
534 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0) /* beginning of product-specific range */
535 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF) /* end of product-specific range */
536 
537 /* Doorbell functions */
538 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
539 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
540 
541 /*****************************************************************************
542 *
543 *        IOC Status Values
544 *
545 *****************************************************************************/
546 
547 /* mask for IOCStatus status value */
548 #define MPI2_IOCSTATUS_MASK                     (0x7FFF)
549 
550 /****************************************************************************
551 *  Common IOCStatus values for all replies
552 ****************************************************************************/
553 
554 #define MPI2_IOCSTATUS_SUCCESS                      (0x0000)
555 #define MPI2_IOCSTATUS_INVALID_FUNCTION             (0x0001)
556 #define MPI2_IOCSTATUS_BUSY                         (0x0002)
557 #define MPI2_IOCSTATUS_INVALID_SGL                  (0x0003)
558 #define MPI2_IOCSTATUS_INTERNAL_ERROR               (0x0004)
559 #define MPI2_IOCSTATUS_INVALID_VPID                 (0x0005)
560 #define MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES       (0x0006)
561 #define MPI2_IOCSTATUS_INVALID_FIELD                (0x0007)
562 #define MPI2_IOCSTATUS_INVALID_STATE                (0x0008)
563 #define MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED       (0x0009)
564 
565 /****************************************************************************
566 *  Config IOCStatus values
567 ****************************************************************************/
568 
569 #define MPI2_IOCSTATUS_CONFIG_INVALID_ACTION        (0x0020)
570 #define MPI2_IOCSTATUS_CONFIG_INVALID_TYPE          (0x0021)
571 #define MPI2_IOCSTATUS_CONFIG_INVALID_PAGE          (0x0022)
572 #define MPI2_IOCSTATUS_CONFIG_INVALID_DATA          (0x0023)
573 #define MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS           (0x0024)
574 #define MPI2_IOCSTATUS_CONFIG_CANT_COMMIT           (0x0025)
575 
576 /****************************************************************************
577 *  SCSI IO Reply
578 ****************************************************************************/
579 
580 #define MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR         (0x0040)
581 #define MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE       (0x0042)
582 #define MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE        (0x0043)
583 #define MPI2_IOCSTATUS_SCSI_DATA_OVERRUN            (0x0044)
584 #define MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN           (0x0045)
585 #define MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR           (0x0046)
586 #define MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR          (0x0047)
587 #define MPI2_IOCSTATUS_SCSI_TASK_TERMINATED         (0x0048)
588 #define MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH       (0x0049)
589 #define MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED        (0x004A)
590 #define MPI2_IOCSTATUS_SCSI_IOC_TERMINATED          (0x004B)
591 #define MPI2_IOCSTATUS_SCSI_EXT_TERMINATED          (0x004C)
592 
593 /****************************************************************************
594 *  For use by SCSI Initiator and SCSI Target end-to-end data protection
595 ****************************************************************************/
596 
597 #define MPI2_IOCSTATUS_EEDP_GUARD_ERROR             (0x004D)
598 #define MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR           (0x004E)
599 #define MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR           (0x004F)
600 
601 /****************************************************************************
602 *  SCSI Target values
603 ****************************************************************************/
604 
605 #define MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX      (0x0062)
606 #define MPI2_IOCSTATUS_TARGET_ABORTED               (0x0063)
607 #define MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE     (0x0064)
608 #define MPI2_IOCSTATUS_TARGET_NO_CONNECTION         (0x0065)
609 #define MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH   (0x006A)
610 #define MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR     (0x006D)
611 #define MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA   (0x006E)
612 #define MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT          (0x006F)
613 #define MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT       (0x0070)
614 #define MPI2_IOCSTATUS_TARGET_NAK_RECEIVED          (0x0071)
615 
616 /****************************************************************************
617 *  Serial Attached SCSI values
618 ****************************************************************************/
619 
620 #define MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED       (0x0090)
621 #define MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN         (0x0091)
622 
623 /****************************************************************************
624 *  Diagnostic Buffer Post / Diagnostic Release values
625 ****************************************************************************/
626 
627 #define MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED          (0x00A0)
628 
629 /****************************************************************************
630 *  RAID Accelerator values
631 ****************************************************************************/
632 
633 #define MPI2_IOCSTATUS_RAID_ACCEL_ERROR             (0x00B0)
634 
635 /****************************************************************************
636 *  IOCStatus flag to indicate that log info is available
637 ****************************************************************************/
638 
639 #define MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE      (0x8000)
640 
641 /****************************************************************************
642 *  IOCLogInfo Types
643 ****************************************************************************/
644 
645 #define MPI2_IOCLOGINFO_TYPE_MASK               (0xF0000000)
646 #define MPI2_IOCLOGINFO_TYPE_SHIFT              (28)
647 #define MPI2_IOCLOGINFO_TYPE_NONE               (0x0)
648 #define MPI2_IOCLOGINFO_TYPE_SCSI               (0x1)
649 #define MPI2_IOCLOGINFO_TYPE_FC                 (0x2)
650 #define MPI2_IOCLOGINFO_TYPE_SAS                (0x3)
651 #define MPI2_IOCLOGINFO_TYPE_ISCSI              (0x4)
652 #define MPI2_IOCLOGINFO_LOG_DATA_MASK           (0x0FFFFFFF)
653 
654 /*****************************************************************************
655 *
656 *        Standard Message Structures
657 *
658 *****************************************************************************/
659 
660 /****************************************************************************
661 * Request Message Header for all request messages
662 ****************************************************************************/
663 
664 typedef struct _MPI2_REQUEST_HEADER
665 {
666     U16             FunctionDependent1;         /* 0x00 */
667     U8              ChainOffset;                /* 0x02 */
668     U8              Function;                   /* 0x03 */
669     U16             FunctionDependent2;         /* 0x04 */
670     U8              FunctionDependent3;         /* 0x06 */
671     U8              MsgFlags;                   /* 0x07 */
672     U8              VP_ID;                      /* 0x08 */
673     U8              VF_ID;                      /* 0x09 */
674     U16             Reserved1;                  /* 0x0A */
675 } MPI2_REQUEST_HEADER, MPI2_POINTER PTR_MPI2_REQUEST_HEADER,
676   MPI2RequestHeader_t, MPI2_POINTER pMPI2RequestHeader_t;
677 
678 /****************************************************************************
679 *  Default Reply
680 ****************************************************************************/
681 
682 typedef struct _MPI2_DEFAULT_REPLY
683 {
684     U16             FunctionDependent1;         /* 0x00 */
685     U8              MsgLength;                  /* 0x02 */
686     U8              Function;                   /* 0x03 */
687     U16             FunctionDependent2;         /* 0x04 */
688     U8              FunctionDependent3;         /* 0x06 */
689     U8              MsgFlags;                   /* 0x07 */
690     U8              VP_ID;                      /* 0x08 */
691     U8              VF_ID;                      /* 0x09 */
692     U16             Reserved1;                  /* 0x0A */
693     U16             FunctionDependent5;         /* 0x0C */
694     U16             IOCStatus;                  /* 0x0E */
695     U32             IOCLogInfo;                 /* 0x10 */
696 } MPI2_DEFAULT_REPLY, MPI2_POINTER PTR_MPI2_DEFAULT_REPLY,
697   MPI2DefaultReply_t, MPI2_POINTER pMPI2DefaultReply_t;
698 
699 /* common version structure/union used in messages and configuration pages */
700 
701 typedef struct _MPI2_VERSION_STRUCT
702 {
703     U8                      Dev;                        /* 0x00 */
704     U8                      Unit;                       /* 0x01 */
705     U8                      Minor;                      /* 0x02 */
706     U8                      Major;                      /* 0x03 */
707 } MPI2_VERSION_STRUCT;
708 
709 typedef union _MPI2_VERSION_UNION
710 {
711     MPI2_VERSION_STRUCT     Struct;
712     U32                     Word;
713 } MPI2_VERSION_UNION;
714 
715 /* LUN field defines, common to many structures */
716 #define MPI2_LUN_FIRST_LEVEL_ADDRESSING             (0x0000FFFF)
717 #define MPI2_LUN_SECOND_LEVEL_ADDRESSING            (0xFFFF0000)
718 #define MPI2_LUN_THIRD_LEVEL_ADDRESSING             (0x0000FFFF)
719 #define MPI2_LUN_FOURTH_LEVEL_ADDRESSING            (0xFFFF0000)
720 #define MPI2_LUN_LEVEL_1_WORD                       (0xFF00)
721 #define MPI2_LUN_LEVEL_1_DWORD                      (0x0000FF00)
722 
723 /*****************************************************************************
724 *
725 *        Fusion-MPT MPI Scatter Gather Elements
726 *
727 *****************************************************************************/
728 
729 /****************************************************************************
730 *  MPI Simple Element structures
731 ****************************************************************************/
732 
733 typedef struct _MPI2_SGE_SIMPLE32
734 {
735     U32                     FlagsLength;
736     U32                     Address;
737 } MPI2_SGE_SIMPLE32, MPI2_POINTER PTR_MPI2_SGE_SIMPLE32,
738   Mpi2SGESimple32_t, MPI2_POINTER pMpi2SGESimple32_t;
739 
740 typedef struct _MPI2_SGE_SIMPLE64
741 {
742     U32                     FlagsLength;
743     U64                     Address;
744 } MPI2_SGE_SIMPLE64, MPI2_POINTER PTR_MPI2_SGE_SIMPLE64,
745   Mpi2SGESimple64_t, MPI2_POINTER pMpi2SGESimple64_t;
746 
747 typedef struct _MPI2_SGE_SIMPLE_UNION
748 {
749     U32                     FlagsLength;
750     union
751     {
752         U32                 Address32;
753         U64                 Address64;
754     } u;
755 } MPI2_SGE_SIMPLE_UNION, MPI2_POINTER PTR_MPI2_SGE_SIMPLE_UNION,
756   Mpi2SGESimpleUnion_t, MPI2_POINTER pMpi2SGESimpleUnion_t;
757 
758 /****************************************************************************
759 *  MPI Chain Element structures
760 ****************************************************************************/
761 
762 typedef struct _MPI2_SGE_CHAIN32
763 {
764     U16                     Length;
765     U8                      NextChainOffset;
766     U8                      Flags;
767     U32                     Address;
768 } MPI2_SGE_CHAIN32, MPI2_POINTER PTR_MPI2_SGE_CHAIN32,
769   Mpi2SGEChain32_t, MPI2_POINTER pMpi2SGEChain32_t;
770 
771 typedef struct _MPI2_SGE_CHAIN64
772 {
773     U16                     Length;
774     U8                      NextChainOffset;
775     U8                      Flags;
776     U64                     Address;
777 } MPI2_SGE_CHAIN64, MPI2_POINTER PTR_MPI2_SGE_CHAIN64,
778   Mpi2SGEChain64_t, MPI2_POINTER pMpi2SGEChain64_t;
779 
780 typedef struct _MPI2_SGE_CHAIN_UNION
781 {
782     U16                     Length;
783     U8                      NextChainOffset;
784     U8                      Flags;
785     union
786     {
787         U32                 Address32;
788         U64                 Address64;
789     } u;
790 } MPI2_SGE_CHAIN_UNION, MPI2_POINTER PTR_MPI2_SGE_CHAIN_UNION,
791   Mpi2SGEChainUnion_t, MPI2_POINTER pMpi2SGEChainUnion_t;
792 
793 /****************************************************************************
794 *  MPI Transaction Context Element structures
795 ****************************************************************************/
796 
797 typedef struct _MPI2_SGE_TRANSACTION32
798 {
799     U8                      Reserved;
800     U8                      ContextSize;
801     U8                      DetailsLength;
802     U8                      Flags;
803     U32                     TransactionContext[1];
804     U32                     TransactionDetails[1];
805 } MPI2_SGE_TRANSACTION32, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION32,
806   Mpi2SGETransaction32_t, MPI2_POINTER pMpi2SGETransaction32_t;
807 
808 typedef struct _MPI2_SGE_TRANSACTION64
809 {
810     U8                      Reserved;
811     U8                      ContextSize;
812     U8                      DetailsLength;
813     U8                      Flags;
814     U32                     TransactionContext[2];
815     U32                     TransactionDetails[1];
816 } MPI2_SGE_TRANSACTION64, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION64,
817   Mpi2SGETransaction64_t, MPI2_POINTER pMpi2SGETransaction64_t;
818 
819 typedef struct _MPI2_SGE_TRANSACTION96
820 {
821     U8                      Reserved;
822     U8                      ContextSize;
823     U8                      DetailsLength;
824     U8                      Flags;
825     U32                     TransactionContext[3];
826     U32                     TransactionDetails[1];
827 } MPI2_SGE_TRANSACTION96, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION96,
828   Mpi2SGETransaction96_t, MPI2_POINTER pMpi2SGETransaction96_t;
829 
830 typedef struct _MPI2_SGE_TRANSACTION128
831 {
832     U8                      Reserved;
833     U8                      ContextSize;
834     U8                      DetailsLength;
835     U8                      Flags;
836     U32                     TransactionContext[4];
837     U32                     TransactionDetails[1];
838 } MPI2_SGE_TRANSACTION128, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION128,
839   Mpi2SGETransaction_t128, MPI2_POINTER pMpi2SGETransaction_t128;
840 
841 typedef struct _MPI2_SGE_TRANSACTION_UNION
842 {
843     U8                      Reserved;
844     U8                      ContextSize;
845     U8                      DetailsLength;
846     U8                      Flags;
847     union
848     {
849         U32                 TransactionContext32[1];
850         U32                 TransactionContext64[2];
851         U32                 TransactionContext96[3];
852         U32                 TransactionContext128[4];
853     } u;
854     U32                     TransactionDetails[1];
855 } MPI2_SGE_TRANSACTION_UNION, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION_UNION,
856   Mpi2SGETransactionUnion_t, MPI2_POINTER pMpi2SGETransactionUnion_t;
857 
858 /****************************************************************************
859 *  MPI SGE union for IO SGL's
860 ****************************************************************************/
861 
862 typedef struct _MPI2_MPI_SGE_IO_UNION
863 {
864     union
865     {
866         MPI2_SGE_SIMPLE_UNION   Simple;
867         MPI2_SGE_CHAIN_UNION    Chain;
868     } u;
869 } MPI2_MPI_SGE_IO_UNION, MPI2_POINTER PTR_MPI2_MPI_SGE_IO_UNION,
870   Mpi2MpiSGEIOUnion_t, MPI2_POINTER pMpi2MpiSGEIOUnion_t;
871 
872 /****************************************************************************
873 *  MPI SGE union for SGL's with Simple and Transaction elements
874 ****************************************************************************/
875 
876 typedef struct _MPI2_SGE_TRANS_SIMPLE_UNION
877 {
878     union
879     {
880         MPI2_SGE_SIMPLE_UNION       Simple;
881         MPI2_SGE_TRANSACTION_UNION  Transaction;
882     } u;
883 } MPI2_SGE_TRANS_SIMPLE_UNION, MPI2_POINTER PTR_MPI2_SGE_TRANS_SIMPLE_UNION,
884   Mpi2SGETransSimpleUnion_t, MPI2_POINTER pMpi2SGETransSimpleUnion_t;
885 
886 /****************************************************************************
887 *  All MPI SGE types union
888 ****************************************************************************/
889 
890 typedef struct _MPI2_MPI_SGE_UNION
891 {
892     union
893     {
894         MPI2_SGE_SIMPLE_UNION       Simple;
895         MPI2_SGE_CHAIN_UNION        Chain;
896         MPI2_SGE_TRANSACTION_UNION  Transaction;
897     } u;
898 } MPI2_MPI_SGE_UNION, MPI2_POINTER PTR_MPI2_MPI_SGE_UNION,
899   Mpi2MpiSgeUnion_t, MPI2_POINTER pMpi2MpiSgeUnion_t;
900 
901 /****************************************************************************
902 *  MPI SGE field definition and masks
903 ****************************************************************************/
904 
905 /* Flags field bit definitions */
906 
907 #define MPI2_SGE_FLAGS_LAST_ELEMENT             (0x80)
908 #define MPI2_SGE_FLAGS_END_OF_BUFFER            (0x40)
909 #define MPI2_SGE_FLAGS_ELEMENT_TYPE_MASK        (0x30)
910 #define MPI2_SGE_FLAGS_LOCAL_ADDRESS            (0x08)
911 #define MPI2_SGE_FLAGS_DIRECTION                (0x04)
912 #define MPI2_SGE_FLAGS_ADDRESS_SIZE             (0x02)
913 #define MPI2_SGE_FLAGS_END_OF_LIST              (0x01)
914 
915 #define MPI2_SGE_FLAGS_SHIFT                    (24)
916 
917 #define MPI2_SGE_LENGTH_MASK                    (0x00FFFFFF)
918 #define MPI2_SGE_CHAIN_LENGTH_MASK              (0x0000FFFF)
919 
920 /* Element Type */
921 
922 #define MPI2_SGE_FLAGS_TRANSACTION_ELEMENT      (0x00)
923 #define MPI2_SGE_FLAGS_SIMPLE_ELEMENT           (0x10)
924 #define MPI2_SGE_FLAGS_CHAIN_ELEMENT            (0x30)
925 #define MPI2_SGE_FLAGS_ELEMENT_MASK             (0x30)
926 
927 /* Address location */
928 
929 #define MPI2_SGE_FLAGS_SYSTEM_ADDRESS           (0x00)
930 
931 /* Direction */
932 
933 #define MPI2_SGE_FLAGS_IOC_TO_HOST              (0x00)
934 #define MPI2_SGE_FLAGS_HOST_TO_IOC              (0x04)
935 
936 #define MPI2_SGE_FLAGS_DEST                     (MPI2_SGE_FLAGS_IOC_TO_HOST)
937 #define MPI2_SGE_FLAGS_SOURCE                   (MPI2_SGE_FLAGS_HOST_TO_IOC)
938 
939 /* Address Size */
940 
941 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
942 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
943 
944 /* Context Size */
945 
946 #define MPI2_SGE_FLAGS_32_BIT_CONTEXT           (0x00)
947 #define MPI2_SGE_FLAGS_64_BIT_CONTEXT           (0x02)
948 #define MPI2_SGE_FLAGS_96_BIT_CONTEXT           (0x04)
949 #define MPI2_SGE_FLAGS_128_BIT_CONTEXT          (0x06)
950 
951 #define MPI2_SGE_CHAIN_OFFSET_MASK              (0x00FF0000)
952 #define MPI2_SGE_CHAIN_OFFSET_SHIFT             (16)
953 
954 /****************************************************************************
955 *  MPI SGE operation Macros
956 ****************************************************************************/
957 
958 /* SIMPLE FlagsLength manipulations... */
959 #define MPI2_SGE_SET_FLAGS(f)          ((U32)(f) << MPI2_SGE_FLAGS_SHIFT)
960 #define MPI2_SGE_GET_FLAGS(f)          (((f) & ~MPI2_SGE_LENGTH_MASK) >> MPI2_SGE_FLAGS_SHIFT)
961 #define MPI2_SGE_LENGTH(f)             ((f) & MPI2_SGE_LENGTH_MASK)
962 #define MPI2_SGE_CHAIN_LENGTH(f)       ((f) & MPI2_SGE_CHAIN_LENGTH_MASK)
963 
964 #define MPI2_SGE_SET_FLAGS_LENGTH(f,l) (MPI2_SGE_SET_FLAGS(f) | MPI2_SGE_LENGTH(l))
965 
966 #define MPI2_pSGE_GET_FLAGS(psg)            MPI2_SGE_GET_FLAGS((psg)->FlagsLength)
967 #define MPI2_pSGE_GET_LENGTH(psg)           MPI2_SGE_LENGTH((psg)->FlagsLength)
968 #define MPI2_pSGE_SET_FLAGS_LENGTH(psg,f,l) (psg)->FlagsLength = MPI2_SGE_SET_FLAGS_LENGTH(f,l)
969 
970 /* CAUTION - The following are READ-MODIFY-WRITE! */
971 #define MPI2_pSGE_SET_FLAGS(psg,f)      (psg)->FlagsLength |= MPI2_SGE_SET_FLAGS(f)
972 #define MPI2_pSGE_SET_LENGTH(psg,l)     (psg)->FlagsLength |= MPI2_SGE_LENGTH(l)
973 
974 #define MPI2_GET_CHAIN_OFFSET(x)    ((x & MPI2_SGE_CHAIN_OFFSET_MASK) >> MPI2_SGE_CHAIN_OFFSET_SHIFT)
975 
976 /*****************************************************************************
977 *
978 *        Fusion-MPT IEEE Scatter Gather Elements
979 *
980 *****************************************************************************/
981 
982 /****************************************************************************
983 *  IEEE Simple Element structures
984 ****************************************************************************/
985 
986 typedef struct _MPI2_IEEE_SGE_SIMPLE32
987 {
988     U32                     Address;
989     U32                     FlagsLength;
990 } MPI2_IEEE_SGE_SIMPLE32, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE32,
991   Mpi2IeeeSgeSimple32_t, MPI2_POINTER pMpi2IeeeSgeSimple32_t;
992 
993 typedef struct _MPI2_IEEE_SGE_SIMPLE64
994 {
995     U64                     Address;
996     U32                     Length;
997     U16                     Reserved1;
998     U8                      Reserved2;
999     U8                      Flags;
1000 } MPI2_IEEE_SGE_SIMPLE64, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE64,
1001   Mpi2IeeeSgeSimple64_t, MPI2_POINTER pMpi2IeeeSgeSimple64_t;
1002 
1003 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION
1004 {
1005     MPI2_IEEE_SGE_SIMPLE32  Simple32;
1006     MPI2_IEEE_SGE_SIMPLE64  Simple64;
1007 } MPI2_IEEE_SGE_SIMPLE_UNION, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE_UNION,
1008   Mpi2IeeeSgeSimpleUnion_t, MPI2_POINTER pMpi2IeeeSgeSimpleUnion_t;
1009 
1010 /****************************************************************************
1011 *  IEEE Chain Element structures
1012 ****************************************************************************/
1013 
1014 typedef MPI2_IEEE_SGE_SIMPLE32  MPI2_IEEE_SGE_CHAIN32;
1015 
1016 typedef MPI2_IEEE_SGE_SIMPLE64  MPI2_IEEE_SGE_CHAIN64;
1017 
1018 typedef union _MPI2_IEEE_SGE_CHAIN_UNION
1019 {
1020     MPI2_IEEE_SGE_CHAIN32   Chain32;
1021     MPI2_IEEE_SGE_CHAIN64   Chain64;
1022 } MPI2_IEEE_SGE_CHAIN_UNION, MPI2_POINTER PTR_MPI2_IEEE_SGE_CHAIN_UNION,
1023   Mpi2IeeeSgeChainUnion_t, MPI2_POINTER pMpi2IeeeSgeChainUnion_t;
1024 
1025 /****************************************************************************
1026 *  All IEEE SGE types union
1027 ****************************************************************************/
1028 
1029 typedef struct _MPI2_IEEE_SGE_UNION
1030 {
1031     union
1032     {
1033         MPI2_IEEE_SGE_SIMPLE_UNION  Simple;
1034         MPI2_IEEE_SGE_CHAIN_UNION   Chain;
1035     } u;
1036 } MPI2_IEEE_SGE_UNION, MPI2_POINTER PTR_MPI2_IEEE_SGE_UNION,
1037   Mpi2IeeeSgeUnion_t, MPI2_POINTER pMpi2IeeeSgeUnion_t;
1038 
1039 /****************************************************************************
1040 *  IEEE SGE field definitions and masks
1041 ****************************************************************************/
1042 
1043 /* Flags field bit definitions */
1044 
1045 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1046 
1047 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1048 
1049 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1050 
1051 /* Element Type */
1052 
1053 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1054 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1055 
1056 /* Data Location Address Space */
1057 
1058 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1059 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00) /* IEEE Simple Element only */
1060 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01) /* IEEE Simple Element only */
1061 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1062 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03) /* IEEE Simple Element only */
1063 #define MPI2_IEEE_SGE_FLAGS_SYSTEMPLBCPI_ADDR   (0x03) /* IEEE Chain Element only */
1064 
1065 /****************************************************************************
1066 *  IEEE SGE operation Macros
1067 ****************************************************************************/
1068 
1069 /* SIMPLE FlagsLength manipulations... */
1070 #define MPI2_IEEE32_SGE_SET_FLAGS(f)     ((U32)(f) << MPI2_IEEE32_SGE_FLAGS_SHIFT)
1071 #define MPI2_IEEE32_SGE_GET_FLAGS(f)     (((f) & ~MPI2_IEEE32_SGE_LENGTH_MASK) >> MPI2_IEEE32_SGE_FLAGS_SHIFT)
1072 #define MPI2_IEEE32_SGE_LENGTH(f)        ((f) & MPI2_IEEE32_SGE_LENGTH_MASK)
1073 
1074 #define MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f, l)      (MPI2_IEEE32_SGE_SET_FLAGS(f) | MPI2_IEEE32_SGE_LENGTH(l))
1075 
1076 #define MPI2_IEEE32_pSGE_GET_FLAGS(psg)             MPI2_IEEE32_SGE_GET_FLAGS((psg)->FlagsLength)
1077 #define MPI2_IEEE32_pSGE_GET_LENGTH(psg)            MPI2_IEEE32_SGE_LENGTH((psg)->FlagsLength)
1078 #define MPI2_IEEE32_pSGE_SET_FLAGS_LENGTH(psg,f,l)  (psg)->FlagsLength = MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f,l)
1079 
1080 /* CAUTION - The following are READ-MODIFY-WRITE! */
1081 #define MPI2_IEEE32_pSGE_SET_FLAGS(psg,f)    (psg)->FlagsLength |= MPI2_IEEE32_SGE_SET_FLAGS(f)
1082 #define MPI2_IEEE32_pSGE_SET_LENGTH(psg,l)   (psg)->FlagsLength |= MPI2_IEEE32_SGE_LENGTH(l)
1083 
1084 /*****************************************************************************
1085 *
1086 *        Fusion-MPT MPI/IEEE Scatter Gather Unions
1087 *
1088 *****************************************************************************/
1089 
1090 typedef union _MPI2_SIMPLE_SGE_UNION
1091 {
1092     MPI2_SGE_SIMPLE_UNION       MpiSimple;
1093     MPI2_IEEE_SGE_SIMPLE_UNION  IeeeSimple;
1094 } MPI2_SIMPLE_SGE_UNION, MPI2_POINTER PTR_MPI2_SIMPLE_SGE_UNION,
1095   Mpi2SimpleSgeUntion_t, MPI2_POINTER pMpi2SimpleSgeUntion_t;
1096 
1097 typedef union _MPI2_SGE_IO_UNION
1098 {
1099     MPI2_SGE_SIMPLE_UNION       MpiSimple;
1100     MPI2_SGE_CHAIN_UNION        MpiChain;
1101     MPI2_IEEE_SGE_SIMPLE_UNION  IeeeSimple;
1102     MPI2_IEEE_SGE_CHAIN_UNION   IeeeChain;
1103 } MPI2_SGE_IO_UNION, MPI2_POINTER PTR_MPI2_SGE_IO_UNION,
1104   Mpi2SGEIOUnion_t, MPI2_POINTER pMpi2SGEIOUnion_t;
1105 
1106 /****************************************************************************
1107 *
1108 *  Values for SGLFlags field, used in many request messages with an SGL
1109 *
1110 ****************************************************************************/
1111 
1112 /* values for MPI SGL Data Location Address Space subfield */
1113 #define MPI2_SGLFLAGS_ADDRESS_SPACE_MASK            (0x0C)
1114 #define MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE          (0x00)
1115 #define MPI2_SGLFLAGS_IOCDDR_ADDRESS_SPACE          (0x04)
1116 #define MPI2_SGLFLAGS_IOCPLB_ADDRESS_SPACE          (0x08)
1117 #define MPI2_SGLFLAGS_IOCPLBNTA_ADDRESS_SPACE       (0x0C)
1118 /* values for SGL Type subfield */
1119 #define MPI2_SGLFLAGS_SGL_TYPE_MASK                 (0x03)
1120 #define MPI2_SGLFLAGS_SGL_TYPE_MPI                  (0x00)
1121 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE32               (0x01)
1122 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE64               (0x02)
1123 
1124 #endif
1125