xref: /freebsd/sys/dev/mpr/mpi/mpi2.h (revision 7431dfd4580e850375fe5478d92ec770344db098)
1 /*-
2  * Copyright (c) 2013 LSI Corp.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the author nor the names of any co-contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
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  * LSI MPT-Fusion Host Adapter FreeBSD
30  *
31  * $FreeBSD$
32  */
33 
34 /*
35  *  Copyright (c) 2000-2013 LSI Corporation.
36  *
37  *
38  *           Name:  mpi2.h
39  *          Title:  MPI Message independent structures and definitions
40  *                  including System Interface Register Set and
41  *                  scatter/gather formats.
42  *  Creation Date:  June 21, 2006
43  *
44  *  mpi2.h Version:  02.00.33
45  *
46  *  NOTE: Names (typedefs, defines, etc.) beginning with an MPI25 or Mpi25
47  *        prefix are for use only on MPI v2.5 products, and must not be used
48  *        with MPI v2.0 products. Unless otherwise noted, names beginning with
49  *        MPI2 or Mpi2 are for use with both MPI v2.0 and MPI v2.5 products.
50  *
51  *  Version History
52  *  ---------------
53  *
54  *  Date      Version   Description
55  *  --------  --------  ------------------------------------------------------
56  *  04-30-07  02.00.00  Corresponds to Fusion-MPT MPI Specification Rev A.
57  *  06-04-07  02.00.01  Bumped MPI2_HEADER_VERSION_UNIT.
58  *  06-26-07  02.00.02  Bumped MPI2_HEADER_VERSION_UNIT.
59  *  08-31-07  02.00.03  Bumped MPI2_HEADER_VERSION_UNIT.
60  *                      Moved ReplyPostHostIndex register to offset 0x6C of the
61  *                      MPI2_SYSTEM_INTERFACE_REGS and modified the define for
62  *                      MPI2_REPLY_POST_HOST_INDEX_OFFSET.
63  *                      Added union of request descriptors.
64  *                      Added union of reply descriptors.
65  *  10-31-07  02.00.04  Bumped MPI2_HEADER_VERSION_UNIT.
66  *                      Added define for MPI2_VERSION_02_00.
67  *                      Fixed the size of the FunctionDependent5 field in the
68  *                      MPI2_DEFAULT_REPLY structure.
69  *  12-18-07  02.00.05  Bumped MPI2_HEADER_VERSION_UNIT.
70  *                      Removed the MPI-defined Fault Codes and extended the
71  *                      product specific codes up to 0xEFFF.
72  *                      Added a sixth key value for the WriteSequence register
73  *                      and changed the flush value to 0x0.
74  *                      Added message function codes for Diagnostic Buffer Post
75  *                      and Diagnsotic Release.
76  *                      New IOCStatus define: MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED
77  *                      Moved MPI2_VERSION_UNION from mpi2_ioc.h.
78  *  02-29-08  02.00.06  Bumped MPI2_HEADER_VERSION_UNIT.
79  *  03-03-08  02.00.07  Bumped MPI2_HEADER_VERSION_UNIT.
80  *  05-21-08  02.00.08  Bumped MPI2_HEADER_VERSION_UNIT.
81  *                      Added #defines for marking a reply descriptor as unused.
82  *  06-27-08  02.00.09  Bumped MPI2_HEADER_VERSION_UNIT.
83  *  10-02-08  02.00.10  Bumped MPI2_HEADER_VERSION_UNIT.
84  *                      Moved LUN field defines from mpi2_init.h.
85  *  01-19-09  02.00.11  Bumped MPI2_HEADER_VERSION_UNIT.
86  *  05-06-09  02.00.12  Bumped MPI2_HEADER_VERSION_UNIT.
87  *                      In all request and reply descriptors, replaced VF_ID
88  *                      field with MSIxIndex field.
89  *                      Removed DevHandle field from
90  *                      MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR and made those
91  *                      bytes reserved.
92  *                      Added RAID Accelerator functionality.
93  *  07-30-09  02.00.13  Bumped MPI2_HEADER_VERSION_UNIT.
94  *  10-28-09  02.00.14  Bumped MPI2_HEADER_VERSION_UNIT.
95  *                      Added MSI-x index mask and shift for Reply Post Host
96  *                      Index register.
97  *                      Added function code for Host Based Discovery Action.
98  *  02-10-10  02.00.15  Bumped MPI2_HEADER_VERSION_UNIT.
99  *                      Added define for MPI2_FUNCTION_PWR_MGMT_CONTROL.
100  *                      Added defines for product-specific range of message
101  *                      function codes, 0xF0 to 0xFF.
102  *  05-12-10  02.00.16  Bumped MPI2_HEADER_VERSION_UNIT.
103  *                      Added alternative defines for the SGE Direction bit.
104  *  08-11-10  02.00.17  Bumped MPI2_HEADER_VERSION_UNIT.
105  *  11-10-10  02.00.18  Bumped MPI2_HEADER_VERSION_UNIT.
106  *                      Added MPI2_IEEE_SGE_FLAGS_SYSTEMPLBCPI_ADDR define.
107  *  02-23-11  02.00.19  Bumped MPI2_HEADER_VERSION_UNIT.
108  *                      Added MPI2_FUNCTION_SEND_HOST_MESSAGE.
109  *  03-09-11  02.00.20  Bumped MPI2_HEADER_VERSION_UNIT.
110  *  05-25-11  02.00.21  Bumped MPI2_HEADER_VERSION_UNIT.
111  *  08-24-11  02.00.22  Bumped MPI2_HEADER_VERSION_UNIT.
112  *  11-18-11  02.00.23  Bumped MPI2_HEADER_VERSION_UNIT.
113  *                      Incorporating additions for MPI v2.5.
114  *  02-06-12  02.00.24  Bumped MPI2_HEADER_VERSION_UNIT.
115  *  03-29-12  02.00.25  Bumped MPI2_HEADER_VERSION_UNIT.
116  *                      Added Hard Reset delay timings.
117  *  07-10-12  02.00.26  Bumped MPI2_HEADER_VERSION_UNIT.
118  *  07-26-12  02.00.27  Bumped MPI2_HEADER_VERSION_UNIT.
119  *  11-27-12  02.00.28  Bumped MPI2_HEADER_VERSION_UNIT.
120  *  12-20-12  02.00.29  Bumped MPI2_HEADER_VERSION_UNIT.
121  *                      Added MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET.
122  *  04-09-13  02.00.30  Bumped MPI2_HEADER_VERSION_UNIT.
123  *  04-17-13  02.00.31  Bumped MPI2_HEADER_VERSION_UNIT.
124  *  08-19-13  02.00.32  Bumped MPI2_HEADER_VERSION_UNIT.
125  *  12-05-13  02.00.33  Bumped MPI2_HEADER_VERSION_UNIT.
126  *  --------------------------------------------------------------------------
127  */
128 
129 #ifndef MPI2_H
130 #define MPI2_H
131 
132 
133 /*****************************************************************************
134 *
135 *        MPI Version Definitions
136 *
137 *****************************************************************************/
138 
139 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
140 #define MPI2_VERSION_MAJOR_SHIFT            (8)
141 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
142 #define MPI2_VERSION_MINOR_SHIFT            (0)
143 
144 /* major version for all MPI v2.x */
145 #define MPI2_VERSION_MAJOR                  (0x02)
146 
147 /* minor version for MPI v2.0 compatible products */
148 #define MPI2_VERSION_MINOR                  (0x00)
149 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
150                                       MPI2_VERSION_MINOR)
151 #define MPI2_VERSION_02_00                  (0x0200)
152 
153 
154 /* minor version for MPI v2.5 compatible products */
155 #define MPI25_VERSION_MINOR                 (0x05)
156 #define MPI25_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
157                                       MPI25_VERSION_MINOR)
158 #define MPI2_VERSION_02_05                  (0x0205)
159 
160 
161 /* Unit and Dev versioning for this MPI header set */
162 #define MPI2_HEADER_VERSION_UNIT            (0x21)
163 #define MPI2_HEADER_VERSION_DEV             (0x00)
164 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
165 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
166 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
167 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
168 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) | MPI2_HEADER_VERSION_DEV)
169 
170 
171 /*****************************************************************************
172 *
173 *        IOC State Definitions
174 *
175 *****************************************************************************/
176 
177 #define MPI2_IOC_STATE_RESET               (0x00000000)
178 #define MPI2_IOC_STATE_READY               (0x10000000)
179 #define MPI2_IOC_STATE_OPERATIONAL         (0x20000000)
180 #define MPI2_IOC_STATE_FAULT               (0x40000000)
181 
182 #define MPI2_IOC_STATE_MASK                (0xF0000000)
183 #define MPI2_IOC_STATE_SHIFT               (28)
184 
185 /* Fault state range for prodcut specific codes */
186 #define MPI2_FAULT_PRODUCT_SPECIFIC_MIN                 (0x0000)
187 #define MPI2_FAULT_PRODUCT_SPECIFIC_MAX                 (0xEFFF)
188 
189 
190 /*****************************************************************************
191 *
192 *        System Interface Register Definitions
193 *
194 *****************************************************************************/
195 
196 typedef volatile struct _MPI2_SYSTEM_INTERFACE_REGS
197 {
198     U32         Doorbell;                   /* 0x00 */
199     U32         WriteSequence;              /* 0x04 */
200     U32         HostDiagnostic;             /* 0x08 */
201     U32         Reserved1;                  /* 0x0C */
202     U32         DiagRWData;                 /* 0x10 */
203     U32         DiagRWAddressLow;           /* 0x14 */
204     U32         DiagRWAddressHigh;          /* 0x18 */
205     U32         Reserved2[5];               /* 0x1C */
206     U32         HostInterruptStatus;        /* 0x30 */
207     U32         HostInterruptMask;          /* 0x34 */
208     U32         DCRData;                    /* 0x38 */
209     U32         DCRAddress;                 /* 0x3C */
210     U32         Reserved3[2];               /* 0x40 */
211     U32         ReplyFreeHostIndex;         /* 0x48 */
212     U32         Reserved4[8];               /* 0x4C */
213     U32         ReplyPostHostIndex;         /* 0x6C */
214     U32         Reserved5;                  /* 0x70 */
215     U32         HCBSize;                    /* 0x74 */
216     U32         HCBAddressLow;              /* 0x78 */
217     U32         HCBAddressHigh;             /* 0x7C */
218     U32         Reserved6[16];              /* 0x80 */
219     U32         RequestDescriptorPostLow;   /* 0xC0 */
220     U32         RequestDescriptorPostHigh;  /* 0xC4 */
221     U32         Reserved7[14];              /* 0xC8 */
222 } MPI2_SYSTEM_INTERFACE_REGS, MPI2_POINTER PTR_MPI2_SYSTEM_INTERFACE_REGS,
223   Mpi2SystemInterfaceRegs_t, MPI2_POINTER pMpi2SystemInterfaceRegs_t;
224 
225 /*
226  * Defines for working with the Doorbell register.
227  */
228 #define MPI2_DOORBELL_OFFSET                    (0x00000000)
229 
230 /* IOC --> System values */
231 #define MPI2_DOORBELL_USED                      (0x08000000)
232 #define MPI2_DOORBELL_WHO_INIT_MASK             (0x07000000)
233 #define MPI2_DOORBELL_WHO_INIT_SHIFT            (24)
234 #define MPI2_DOORBELL_FAULT_CODE_MASK           (0x0000FFFF)
235 #define MPI2_DOORBELL_DATA_MASK                 (0x0000FFFF)
236 
237 /* System --> IOC values */
238 #define MPI2_DOORBELL_FUNCTION_MASK             (0xFF000000)
239 #define MPI2_DOORBELL_FUNCTION_SHIFT            (24)
240 #define MPI2_DOORBELL_ADD_DWORDS_MASK           (0x00FF0000)
241 #define MPI2_DOORBELL_ADD_DWORDS_SHIFT          (16)
242 
243 
244 /*
245  * Defines for the WriteSequence register
246  */
247 #define MPI2_WRITE_SEQUENCE_OFFSET              (0x00000004)
248 #define MPI2_WRSEQ_KEY_VALUE_MASK               (0x0000000F)
249 #define MPI2_WRSEQ_FLUSH_KEY_VALUE              (0x0)
250 #define MPI2_WRSEQ_1ST_KEY_VALUE                (0xF)
251 #define MPI2_WRSEQ_2ND_KEY_VALUE                (0x4)
252 #define MPI2_WRSEQ_3RD_KEY_VALUE                (0xB)
253 #define MPI2_WRSEQ_4TH_KEY_VALUE                (0x2)
254 #define MPI2_WRSEQ_5TH_KEY_VALUE                (0x7)
255 #define MPI2_WRSEQ_6TH_KEY_VALUE                (0xD)
256 
257 /*
258  * Defines for the HostDiagnostic register
259  */
260 #define MPI2_HOST_DIAGNOSTIC_OFFSET             (0x00000008)
261 
262 #define MPI2_DIAG_BOOT_DEVICE_SELECT_MASK       (0x00001800)
263 #define MPI2_DIAG_BOOT_DEVICE_SELECT_DEFAULT    (0x00000000)
264 #define MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW       (0x00000800)
265 
266 #define MPI2_DIAG_CLEAR_FLASH_BAD_SIG           (0x00000400)
267 #define MPI2_DIAG_FORCE_HCB_ON_RESET            (0x00000200)
268 #define MPI2_DIAG_HCB_MODE                      (0x00000100)
269 #define MPI2_DIAG_DIAG_WRITE_ENABLE             (0x00000080)
270 #define MPI2_DIAG_FLASH_BAD_SIG                 (0x00000040)
271 #define MPI2_DIAG_RESET_HISTORY                 (0x00000020)
272 #define MPI2_DIAG_DIAG_RW_ENABLE                (0x00000010)
273 #define MPI2_DIAG_RESET_ADAPTER                 (0x00000004)
274 #define MPI2_DIAG_HOLD_IOC_RESET                (0x00000002)
275 
276 /*
277  * Offsets for DiagRWData and address
278  */
279 #define MPI2_DIAG_RW_DATA_OFFSET                (0x00000010)
280 #define MPI2_DIAG_RW_ADDRESS_LOW_OFFSET         (0x00000014)
281 #define MPI2_DIAG_RW_ADDRESS_HIGH_OFFSET        (0x00000018)
282 
283 /*
284  * Defines for the HostInterruptStatus register
285  */
286 #define MPI2_HOST_INTERRUPT_STATUS_OFFSET       (0x00000030)
287 #define MPI2_HIS_SYS2IOC_DB_STATUS              (0x80000000)
288 #define MPI2_HIS_IOP_DOORBELL_STATUS            MPI2_HIS_SYS2IOC_DB_STATUS
289 #define MPI2_HIS_RESET_IRQ_STATUS               (0x40000000)
290 #define MPI2_HIS_REPLY_DESCRIPTOR_INTERRUPT     (0x00000008)
291 #define MPI2_HIS_IOC2SYS_DB_STATUS              (0x00000001)
292 #define MPI2_HIS_DOORBELL_INTERRUPT             MPI2_HIS_IOC2SYS_DB_STATUS
293 
294 /*
295  * Defines for the HostInterruptMask register
296  */
297 #define MPI2_HOST_INTERRUPT_MASK_OFFSET         (0x00000034)
298 #define MPI2_HIM_RESET_IRQ_MASK                 (0x40000000)
299 #define MPI2_HIM_REPLY_INT_MASK                 (0x00000008)
300 #define MPI2_HIM_RIM                            MPI2_HIM_REPLY_INT_MASK
301 #define MPI2_HIM_IOC2SYS_DB_MASK                (0x00000001)
302 #define MPI2_HIM_DIM                            MPI2_HIM_IOC2SYS_DB_MASK
303 
304 /*
305  * Offsets for DCRData and address
306  */
307 #define MPI2_DCR_DATA_OFFSET                    (0x00000038)
308 #define MPI2_DCR_ADDRESS_OFFSET                 (0x0000003C)
309 
310 /*
311  * Offset for the Reply Free Queue
312  */
313 #define MPI2_REPLY_FREE_HOST_INDEX_OFFSET       (0x00000048)
314 
315 /*
316  * Defines for the Reply Descriptor Post Queue
317  */
318 #define MPI2_REPLY_POST_HOST_INDEX_OFFSET       (0x0000006C)
319 #define MPI2_REPLY_POST_HOST_INDEX_MASK         (0x00FFFFFF)
320 #define MPI2_RPHI_MSIX_INDEX_MASK               (0xFF000000)
321 #define MPI2_RPHI_MSIX_INDEX_SHIFT              (24)
322 #define MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET  (0x0000030C) /* MPI v2.5 only */
323 
324 
325 /*
326  * Defines for the HCBSize and address
327  */
328 #define MPI2_HCB_SIZE_OFFSET                    (0x00000074)
329 #define MPI2_HCB_SIZE_SIZE_MASK                 (0xFFFFF000)
330 #define MPI2_HCB_SIZE_HCB_ENABLE                (0x00000001)
331 
332 #define MPI2_HCB_ADDRESS_LOW_OFFSET             (0x00000078)
333 #define MPI2_HCB_ADDRESS_HIGH_OFFSET            (0x0000007C)
334 
335 /*
336  * Offsets for the Request Queue
337  */
338 #define MPI2_REQUEST_DESCRIPTOR_POST_LOW_OFFSET     (0x000000C0)
339 #define MPI2_REQUEST_DESCRIPTOR_POST_HIGH_OFFSET    (0x000000C4)
340 
341 
342 /* Hard Reset delay timings */
343 #define MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC     (50000)
344 #define MPI2_HARD_RESET_PCIE_RESET_READ_WINDOW_MICRO_SEC    (255000)
345 #define MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC    (256000)
346 
347 /*****************************************************************************
348 *
349 *        Message Descriptors
350 *
351 *****************************************************************************/
352 
353 /* Request Descriptors */
354 
355 /* Default Request Descriptor */
356 typedef struct _MPI2_DEFAULT_REQUEST_DESCRIPTOR
357 {
358     U8              RequestFlags;               /* 0x00 */
359     U8              MSIxIndex;                  /* 0x01 */
360     U16             SMID;                       /* 0x02 */
361     U16             LMID;                       /* 0x04 */
362     U16             DescriptorTypeDependent;    /* 0x06 */
363 } MPI2_DEFAULT_REQUEST_DESCRIPTOR,
364   MPI2_POINTER PTR_MPI2_DEFAULT_REQUEST_DESCRIPTOR,
365   Mpi2DefaultRequestDescriptor_t, MPI2_POINTER pMpi2DefaultRequestDescriptor_t;
366 
367 /* defines for the RequestFlags field */
368 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x0E)
369 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
370 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
371 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
372 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
373 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
374 #define MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO      (0x0C)
375 
376 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
377 
378 
379 /* High Priority Request Descriptor */
380 typedef struct _MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR
381 {
382     U8              RequestFlags;               /* 0x00 */
383     U8              MSIxIndex;                  /* 0x01 */
384     U16             SMID;                       /* 0x02 */
385     U16             LMID;                       /* 0x04 */
386     U16             Reserved1;                  /* 0x06 */
387 } MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
388   MPI2_POINTER PTR_MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
389   Mpi2HighPriorityRequestDescriptor_t,
390   MPI2_POINTER pMpi2HighPriorityRequestDescriptor_t;
391 
392 
393 /* SCSI IO Request Descriptor */
394 typedef struct _MPI2_SCSI_IO_REQUEST_DESCRIPTOR
395 {
396     U8              RequestFlags;               /* 0x00 */
397     U8              MSIxIndex;                  /* 0x01 */
398     U16             SMID;                       /* 0x02 */
399     U16             LMID;                       /* 0x04 */
400     U16             DevHandle;                  /* 0x06 */
401 } MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
402   MPI2_POINTER PTR_MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
403   Mpi2SCSIIORequestDescriptor_t, MPI2_POINTER pMpi2SCSIIORequestDescriptor_t;
404 
405 
406 /* SCSI Target Request Descriptor */
407 typedef struct _MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR
408 {
409     U8              RequestFlags;               /* 0x00 */
410     U8              MSIxIndex;                  /* 0x01 */
411     U16             SMID;                       /* 0x02 */
412     U16             LMID;                       /* 0x04 */
413     U16             IoIndex;                    /* 0x06 */
414 } MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
415   MPI2_POINTER PTR_MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
416   Mpi2SCSITargetRequestDescriptor_t,
417   MPI2_POINTER pMpi2SCSITargetRequestDescriptor_t;
418 
419 
420 /* RAID Accelerator Request Descriptor */
421 typedef struct _MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR
422 {
423     U8              RequestFlags;               /* 0x00 */
424     U8              MSIxIndex;                  /* 0x01 */
425     U16             SMID;                       /* 0x02 */
426     U16             LMID;                       /* 0x04 */
427     U16             Reserved;                   /* 0x06 */
428 } MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
429   MPI2_POINTER PTR_MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
430   Mpi2RAIDAcceleratorRequestDescriptor_t,
431   MPI2_POINTER pMpi2RAIDAcceleratorRequestDescriptor_t;
432 
433 
434 /* Fast Path SCSI IO Request Descriptor */
435 typedef MPI2_SCSI_IO_REQUEST_DESCRIPTOR
436     MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR,
437     MPI2_POINTER PTR_MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR,
438     Mpi25FastPathSCSIIORequestDescriptor_t,
439     MPI2_POINTER pMpi25FastPathSCSIIORequestDescriptor_t;
440 
441 
442 /* union of Request Descriptors */
443 typedef union _MPI2_REQUEST_DESCRIPTOR_UNION
444 {
445     MPI2_DEFAULT_REQUEST_DESCRIPTOR             Default;
446     MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR       HighPriority;
447     MPI2_SCSI_IO_REQUEST_DESCRIPTOR             SCSIIO;
448     MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR         SCSITarget;
449     MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR          RAIDAccelerator;
450     MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR         FastPathSCSIIO;
451     U64                                         Words;
452 } MPI2_REQUEST_DESCRIPTOR_UNION, MPI2_POINTER PTR_MPI2_REQUEST_DESCRIPTOR_UNION,
453   Mpi2RequestDescriptorUnion_t, MPI2_POINTER pMpi2RequestDescriptorUnion_t;
454 
455 
456 /* Reply Descriptors */
457 
458 /* Default Reply Descriptor */
459 typedef struct _MPI2_DEFAULT_REPLY_DESCRIPTOR
460 {
461     U8              ReplyFlags;                 /* 0x00 */
462     U8              MSIxIndex;                  /* 0x01 */
463     U16             DescriptorTypeDependent1;   /* 0x02 */
464     U32             DescriptorTypeDependent2;   /* 0x04 */
465 } MPI2_DEFAULT_REPLY_DESCRIPTOR, MPI2_POINTER PTR_MPI2_DEFAULT_REPLY_DESCRIPTOR,
466   Mpi2DefaultReplyDescriptor_t, MPI2_POINTER pMpi2DefaultReplyDescriptor_t;
467 
468 /* defines for the ReplyFlags field */
469 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
470 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
471 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
472 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
473 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
474 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
475 #define MPI25_RPY_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO_SUCCESS  (0x06)
476 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
477 
478 /* values for marking a reply descriptor as unused */
479 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
480 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
481 
482 /* Address Reply Descriptor */
483 typedef struct _MPI2_ADDRESS_REPLY_DESCRIPTOR
484 {
485     U8              ReplyFlags;                 /* 0x00 */
486     U8              MSIxIndex;                  /* 0x01 */
487     U16             SMID;                       /* 0x02 */
488     U32             ReplyFrameAddress;          /* 0x04 */
489 } MPI2_ADDRESS_REPLY_DESCRIPTOR, MPI2_POINTER PTR_MPI2_ADDRESS_REPLY_DESCRIPTOR,
490   Mpi2AddressReplyDescriptor_t, MPI2_POINTER pMpi2AddressReplyDescriptor_t;
491 
492 #define MPI2_ADDRESS_REPLY_SMID_INVALID                 (0x00)
493 
494 
495 /* SCSI IO Success Reply Descriptor */
496 typedef struct _MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR
497 {
498     U8              ReplyFlags;                 /* 0x00 */
499     U8              MSIxIndex;                  /* 0x01 */
500     U16             SMID;                       /* 0x02 */
501     U16             TaskTag;                    /* 0x04 */
502     U16             Reserved1;                  /* 0x06 */
503 } MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
504   MPI2_POINTER PTR_MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
505   Mpi2SCSIIOSuccessReplyDescriptor_t,
506   MPI2_POINTER pMpi2SCSIIOSuccessReplyDescriptor_t;
507 
508 
509 /* TargetAssist Success Reply Descriptor */
510 typedef struct _MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR
511 {
512     U8              ReplyFlags;                 /* 0x00 */
513     U8              MSIxIndex;                  /* 0x01 */
514     U16             SMID;                       /* 0x02 */
515     U8              SequenceNumber;             /* 0x04 */
516     U8              Reserved1;                  /* 0x05 */
517     U16             IoIndex;                    /* 0x06 */
518 } MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
519   MPI2_POINTER PTR_MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
520   Mpi2TargetAssistSuccessReplyDescriptor_t,
521   MPI2_POINTER pMpi2TargetAssistSuccessReplyDescriptor_t;
522 
523 
524 /* Target Command Buffer Reply Descriptor */
525 typedef struct _MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR
526 {
527     U8              ReplyFlags;                 /* 0x00 */
528     U8              MSIxIndex;                  /* 0x01 */
529     U8              VP_ID;                      /* 0x02 */
530     U8              Flags;                      /* 0x03 */
531     U16             InitiatorDevHandle;         /* 0x04 */
532     U16             IoIndex;                    /* 0x06 */
533 } MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
534   MPI2_POINTER PTR_MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
535   Mpi2TargetCommandBufferReplyDescriptor_t,
536   MPI2_POINTER pMpi2TargetCommandBufferReplyDescriptor_t;
537 
538 /* defines for Flags field */
539 #define MPI2_RPY_DESCRIPT_TCB_FLAGS_PHYNUM_MASK     (0x3F)
540 
541 
542 /* RAID Accelerator Success Reply Descriptor */
543 typedef struct _MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR
544 {
545     U8              ReplyFlags;                 /* 0x00 */
546     U8              MSIxIndex;                  /* 0x01 */
547     U16             SMID;                       /* 0x02 */
548     U32             Reserved;                   /* 0x04 */
549 } MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
550   MPI2_POINTER PTR_MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
551   Mpi2RAIDAcceleratorSuccessReplyDescriptor_t,
552   MPI2_POINTER pMpi2RAIDAcceleratorSuccessReplyDescriptor_t;
553 
554 
555 /* Fast Path SCSI IO Success Reply Descriptor */
556 typedef MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR
557     MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
558     MPI2_POINTER PTR_MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
559     Mpi25FastPathSCSIIOSuccessReplyDescriptor_t,
560     MPI2_POINTER pMpi25FastPathSCSIIOSuccessReplyDescriptor_t;
561 
562 
563 /* union of Reply Descriptors */
564 typedef union _MPI2_REPLY_DESCRIPTORS_UNION
565 {
566     MPI2_DEFAULT_REPLY_DESCRIPTOR                   Default;
567     MPI2_ADDRESS_REPLY_DESCRIPTOR                   AddressReply;
568     MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR           SCSIIOSuccess;
569     MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR      TargetAssistSuccess;
570     MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR     TargetCommandBuffer;
571     MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR  RAIDAcceleratorSuccess;
572     MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR       FastPathSCSIIOSuccess;
573     U64                                             Words;
574 } MPI2_REPLY_DESCRIPTORS_UNION, MPI2_POINTER PTR_MPI2_REPLY_DESCRIPTORS_UNION,
575   Mpi2ReplyDescriptorsUnion_t, MPI2_POINTER pMpi2ReplyDescriptorsUnion_t;
576 
577 
578 
579 /*****************************************************************************
580 *
581 *        Message Functions
582 *
583 *****************************************************************************/
584 
585 #define MPI2_FUNCTION_SCSI_IO_REQUEST               (0x00) /* SCSI IO */
586 #define MPI2_FUNCTION_SCSI_TASK_MGMT                (0x01) /* SCSI Task Management */
587 #define MPI2_FUNCTION_IOC_INIT                      (0x02) /* IOC Init */
588 #define MPI2_FUNCTION_IOC_FACTS                     (0x03) /* IOC Facts */
589 #define MPI2_FUNCTION_CONFIG                        (0x04) /* Configuration */
590 #define MPI2_FUNCTION_PORT_FACTS                    (0x05) /* Port Facts */
591 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06) /* Port Enable */
592 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07) /* Event Notification */
593 #define MPI2_FUNCTION_EVENT_ACK                     (0x08) /* Event Acknowledge */
594 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09) /* FW Download */
595 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B) /* Target Assist */
596 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C) /* Target Status Send */
597 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D) /* Target Mode Abort */
598 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12) /* FW Upload */
599 #define MPI2_FUNCTION_RAID_ACTION                   (0x15) /* RAID Action */
600 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16) /* SCSI IO RAID Passthrough */
601 #define MPI2_FUNCTION_TOOLBOX                       (0x17) /* Toolbox */
602 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18) /* SCSI Enclosure Processor */
603 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A) /* SMP Passthrough */
604 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B) /* SAS IO Unit Control */
605 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C) /* SATA Passthrough */
606 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D) /* Diagnostic Buffer Post */
607 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E) /* Diagnostic Release */
608 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24) /* Target Command Buffer Post Base */
609 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25) /* Target Command Buffer Post List */
610 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C) /* RAID Accelerator */
611 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F) /* Host Based Discovery Action */
612 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30) /* Power Management Control */
613 #define MPI2_FUNCTION_SEND_HOST_MESSAGE             (0x31) /* Send Host Message */
614 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0) /* beginning of product-specific range */
615 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF) /* end of product-specific range */
616 
617 
618 
619 /* Doorbell functions */
620 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
621 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
622 
623 
624 /*****************************************************************************
625 *
626 *        IOC Status Values
627 *
628 *****************************************************************************/
629 
630 /* mask for IOCStatus status value */
631 #define MPI2_IOCSTATUS_MASK                     (0x7FFF)
632 
633 /****************************************************************************
634 *  Common IOCStatus values for all replies
635 ****************************************************************************/
636 
637 #define MPI2_IOCSTATUS_SUCCESS                      (0x0000)
638 #define MPI2_IOCSTATUS_INVALID_FUNCTION             (0x0001)
639 #define MPI2_IOCSTATUS_BUSY                         (0x0002)
640 #define MPI2_IOCSTATUS_INVALID_SGL                  (0x0003)
641 #define MPI2_IOCSTATUS_INTERNAL_ERROR               (0x0004)
642 #define MPI2_IOCSTATUS_INVALID_VPID                 (0x0005)
643 #define MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES       (0x0006)
644 #define MPI2_IOCSTATUS_INVALID_FIELD                (0x0007)
645 #define MPI2_IOCSTATUS_INVALID_STATE                (0x0008)
646 #define MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED       (0x0009)
647 
648 /****************************************************************************
649 *  Config IOCStatus values
650 ****************************************************************************/
651 
652 #define MPI2_IOCSTATUS_CONFIG_INVALID_ACTION        (0x0020)
653 #define MPI2_IOCSTATUS_CONFIG_INVALID_TYPE          (0x0021)
654 #define MPI2_IOCSTATUS_CONFIG_INVALID_PAGE          (0x0022)
655 #define MPI2_IOCSTATUS_CONFIG_INVALID_DATA          (0x0023)
656 #define MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS           (0x0024)
657 #define MPI2_IOCSTATUS_CONFIG_CANT_COMMIT           (0x0025)
658 
659 /****************************************************************************
660 *  SCSI IO Reply
661 ****************************************************************************/
662 
663 #define MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR         (0x0040)
664 #define MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE       (0x0042)
665 #define MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE        (0x0043)
666 #define MPI2_IOCSTATUS_SCSI_DATA_OVERRUN            (0x0044)
667 #define MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN           (0x0045)
668 #define MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR           (0x0046)
669 #define MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR          (0x0047)
670 #define MPI2_IOCSTATUS_SCSI_TASK_TERMINATED         (0x0048)
671 #define MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH       (0x0049)
672 #define MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED        (0x004A)
673 #define MPI2_IOCSTATUS_SCSI_IOC_TERMINATED          (0x004B)
674 #define MPI2_IOCSTATUS_SCSI_EXT_TERMINATED          (0x004C)
675 
676 /****************************************************************************
677 *  For use by SCSI Initiator and SCSI Target end-to-end data protection
678 ****************************************************************************/
679 
680 #define MPI2_IOCSTATUS_EEDP_GUARD_ERROR             (0x004D)
681 #define MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR           (0x004E)
682 #define MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR           (0x004F)
683 
684 /****************************************************************************
685 *  SCSI Target values
686 ****************************************************************************/
687 
688 #define MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX      (0x0062)
689 #define MPI2_IOCSTATUS_TARGET_ABORTED               (0x0063)
690 #define MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE     (0x0064)
691 #define MPI2_IOCSTATUS_TARGET_NO_CONNECTION         (0x0065)
692 #define MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH   (0x006A)
693 #define MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR     (0x006D)
694 #define MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA   (0x006E)
695 #define MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT          (0x006F)
696 #define MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT       (0x0070)
697 #define MPI2_IOCSTATUS_TARGET_NAK_RECEIVED          (0x0071)
698 
699 /****************************************************************************
700 *  Serial Attached SCSI values
701 ****************************************************************************/
702 
703 #define MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED       (0x0090)
704 #define MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN         (0x0091)
705 
706 /****************************************************************************
707 *  Diagnostic Buffer Post / Diagnostic Release values
708 ****************************************************************************/
709 
710 #define MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED          (0x00A0)
711 
712 /****************************************************************************
713 *  RAID Accelerator values
714 ****************************************************************************/
715 
716 #define MPI2_IOCSTATUS_RAID_ACCEL_ERROR             (0x00B0)
717 
718 /****************************************************************************
719 *  IOCStatus flag to indicate that log info is available
720 ****************************************************************************/
721 
722 #define MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE      (0x8000)
723 
724 /****************************************************************************
725 *  IOCLogInfo Types
726 ****************************************************************************/
727 
728 #define MPI2_IOCLOGINFO_TYPE_MASK               (0xF0000000)
729 #define MPI2_IOCLOGINFO_TYPE_SHIFT              (28)
730 #define MPI2_IOCLOGINFO_TYPE_NONE               (0x0)
731 #define MPI2_IOCLOGINFO_TYPE_SCSI               (0x1)
732 #define MPI2_IOCLOGINFO_TYPE_FC                 (0x2)
733 #define MPI2_IOCLOGINFO_TYPE_SAS                (0x3)
734 #define MPI2_IOCLOGINFO_TYPE_ISCSI              (0x4)
735 #define MPI2_IOCLOGINFO_LOG_DATA_MASK           (0x0FFFFFFF)
736 
737 
738 /*****************************************************************************
739 *
740 *        Standard Message Structures
741 *
742 *****************************************************************************/
743 
744 /****************************************************************************
745 * Request Message Header for all request messages
746 ****************************************************************************/
747 
748 typedef struct _MPI2_REQUEST_HEADER
749 {
750     U16             FunctionDependent1;         /* 0x00 */
751     U8              ChainOffset;                /* 0x02 */
752     U8              Function;                   /* 0x03 */
753     U16             FunctionDependent2;         /* 0x04 */
754     U8              FunctionDependent3;         /* 0x06 */
755     U8              MsgFlags;                   /* 0x07 */
756     U8              VP_ID;                      /* 0x08 */
757     U8              VF_ID;                      /* 0x09 */
758     U16             Reserved1;                  /* 0x0A */
759 } MPI2_REQUEST_HEADER, MPI2_POINTER PTR_MPI2_REQUEST_HEADER,
760   MPI2RequestHeader_t, MPI2_POINTER pMPI2RequestHeader_t;
761 
762 
763 /****************************************************************************
764 *  Default Reply
765 ****************************************************************************/
766 
767 typedef struct _MPI2_DEFAULT_REPLY
768 {
769     U16             FunctionDependent1;         /* 0x00 */
770     U8              MsgLength;                  /* 0x02 */
771     U8              Function;                   /* 0x03 */
772     U16             FunctionDependent2;         /* 0x04 */
773     U8              FunctionDependent3;         /* 0x06 */
774     U8              MsgFlags;                   /* 0x07 */
775     U8              VP_ID;                      /* 0x08 */
776     U8              VF_ID;                      /* 0x09 */
777     U16             Reserved1;                  /* 0x0A */
778     U16             FunctionDependent5;         /* 0x0C */
779     U16             IOCStatus;                  /* 0x0E */
780     U32             IOCLogInfo;                 /* 0x10 */
781 } MPI2_DEFAULT_REPLY, MPI2_POINTER PTR_MPI2_DEFAULT_REPLY,
782   MPI2DefaultReply_t, MPI2_POINTER pMPI2DefaultReply_t;
783 
784 
785 /* common version structure/union used in messages and configuration pages */
786 
787 typedef struct _MPI2_VERSION_STRUCT
788 {
789     U8                      Dev;                        /* 0x00 */
790     U8                      Unit;                       /* 0x01 */
791     U8                      Minor;                      /* 0x02 */
792     U8                      Major;                      /* 0x03 */
793 } MPI2_VERSION_STRUCT;
794 
795 typedef union _MPI2_VERSION_UNION
796 {
797     MPI2_VERSION_STRUCT     Struct;
798     U32                     Word;
799 } MPI2_VERSION_UNION;
800 
801 
802 /* LUN field defines, common to many structures */
803 #define MPI2_LUN_FIRST_LEVEL_ADDRESSING             (0x0000FFFF)
804 #define MPI2_LUN_SECOND_LEVEL_ADDRESSING            (0xFFFF0000)
805 #define MPI2_LUN_THIRD_LEVEL_ADDRESSING             (0x0000FFFF)
806 #define MPI2_LUN_FOURTH_LEVEL_ADDRESSING            (0xFFFF0000)
807 #define MPI2_LUN_LEVEL_1_WORD                       (0xFF00)
808 #define MPI2_LUN_LEVEL_1_DWORD                      (0x0000FF00)
809 
810 
811 /*****************************************************************************
812 *
813 *        Fusion-MPT MPI Scatter Gather Elements
814 *
815 *****************************************************************************/
816 
817 /****************************************************************************
818 *  MPI Simple Element structures
819 ****************************************************************************/
820 
821 typedef struct _MPI2_SGE_SIMPLE32
822 {
823     U32                     FlagsLength;
824     U32                     Address;
825 } MPI2_SGE_SIMPLE32, MPI2_POINTER PTR_MPI2_SGE_SIMPLE32,
826   Mpi2SGESimple32_t, MPI2_POINTER pMpi2SGESimple32_t;
827 
828 typedef struct _MPI2_SGE_SIMPLE64
829 {
830     U32                     FlagsLength;
831     U64                     Address;
832 } MPI2_SGE_SIMPLE64, MPI2_POINTER PTR_MPI2_SGE_SIMPLE64,
833   Mpi2SGESimple64_t, MPI2_POINTER pMpi2SGESimple64_t;
834 
835 typedef struct _MPI2_SGE_SIMPLE_UNION
836 {
837     U32                     FlagsLength;
838     union
839     {
840         U32                 Address32;
841         U64                 Address64;
842     } u;
843 } MPI2_SGE_SIMPLE_UNION, MPI2_POINTER PTR_MPI2_SGE_SIMPLE_UNION,
844   Mpi2SGESimpleUnion_t, MPI2_POINTER pMpi2SGESimpleUnion_t;
845 
846 
847 /****************************************************************************
848 *  MPI Chain Element structures - for MPI v2.0 products only
849 ****************************************************************************/
850 
851 typedef struct _MPI2_SGE_CHAIN32
852 {
853     U16                     Length;
854     U8                      NextChainOffset;
855     U8                      Flags;
856     U32                     Address;
857 } MPI2_SGE_CHAIN32, MPI2_POINTER PTR_MPI2_SGE_CHAIN32,
858   Mpi2SGEChain32_t, MPI2_POINTER pMpi2SGEChain32_t;
859 
860 typedef struct _MPI2_SGE_CHAIN64
861 {
862     U16                     Length;
863     U8                      NextChainOffset;
864     U8                      Flags;
865     U64                     Address;
866 } MPI2_SGE_CHAIN64, MPI2_POINTER PTR_MPI2_SGE_CHAIN64,
867   Mpi2SGEChain64_t, MPI2_POINTER pMpi2SGEChain64_t;
868 
869 typedef struct _MPI2_SGE_CHAIN_UNION
870 {
871     U16                     Length;
872     U8                      NextChainOffset;
873     U8                      Flags;
874     union
875     {
876         U32                 Address32;
877         U64                 Address64;
878     } u;
879 } MPI2_SGE_CHAIN_UNION, MPI2_POINTER PTR_MPI2_SGE_CHAIN_UNION,
880   Mpi2SGEChainUnion_t, MPI2_POINTER pMpi2SGEChainUnion_t;
881 
882 
883 /****************************************************************************
884 *  MPI Transaction Context Element structures - for MPI v2.0 products only
885 ****************************************************************************/
886 
887 typedef struct _MPI2_SGE_TRANSACTION32
888 {
889     U8                      Reserved;
890     U8                      ContextSize;
891     U8                      DetailsLength;
892     U8                      Flags;
893     U32                     TransactionContext[1];
894     U32                     TransactionDetails[1];
895 } MPI2_SGE_TRANSACTION32, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION32,
896   Mpi2SGETransaction32_t, MPI2_POINTER pMpi2SGETransaction32_t;
897 
898 typedef struct _MPI2_SGE_TRANSACTION64
899 {
900     U8                      Reserved;
901     U8                      ContextSize;
902     U8                      DetailsLength;
903     U8                      Flags;
904     U32                     TransactionContext[2];
905     U32                     TransactionDetails[1];
906 } MPI2_SGE_TRANSACTION64, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION64,
907   Mpi2SGETransaction64_t, MPI2_POINTER pMpi2SGETransaction64_t;
908 
909 typedef struct _MPI2_SGE_TRANSACTION96
910 {
911     U8                      Reserved;
912     U8                      ContextSize;
913     U8                      DetailsLength;
914     U8                      Flags;
915     U32                     TransactionContext[3];
916     U32                     TransactionDetails[1];
917 } MPI2_SGE_TRANSACTION96, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION96,
918   Mpi2SGETransaction96_t, MPI2_POINTER pMpi2SGETransaction96_t;
919 
920 typedef struct _MPI2_SGE_TRANSACTION128
921 {
922     U8                      Reserved;
923     U8                      ContextSize;
924     U8                      DetailsLength;
925     U8                      Flags;
926     U32                     TransactionContext[4];
927     U32                     TransactionDetails[1];
928 } MPI2_SGE_TRANSACTION128, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION128,
929   Mpi2SGETransaction_t128, MPI2_POINTER pMpi2SGETransaction_t128;
930 
931 typedef struct _MPI2_SGE_TRANSACTION_UNION
932 {
933     U8                      Reserved;
934     U8                      ContextSize;
935     U8                      DetailsLength;
936     U8                      Flags;
937     union
938     {
939         U32                 TransactionContext32[1];
940         U32                 TransactionContext64[2];
941         U32                 TransactionContext96[3];
942         U32                 TransactionContext128[4];
943     } u;
944     U32                     TransactionDetails[1];
945 } MPI2_SGE_TRANSACTION_UNION, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION_UNION,
946   Mpi2SGETransactionUnion_t, MPI2_POINTER pMpi2SGETransactionUnion_t;
947 
948 
949 /****************************************************************************
950 *  MPI SGE union for IO SGL's - for MPI v2.0 products only
951 ****************************************************************************/
952 
953 typedef struct _MPI2_MPI_SGE_IO_UNION
954 {
955     union
956     {
957         MPI2_SGE_SIMPLE_UNION   Simple;
958         MPI2_SGE_CHAIN_UNION    Chain;
959     } u;
960 } MPI2_MPI_SGE_IO_UNION, MPI2_POINTER PTR_MPI2_MPI_SGE_IO_UNION,
961   Mpi2MpiSGEIOUnion_t, MPI2_POINTER pMpi2MpiSGEIOUnion_t;
962 
963 
964 /****************************************************************************
965 *  MPI SGE union for SGL's with Simple and Transaction elements - for MPI v2.0 products only
966 ****************************************************************************/
967 
968 typedef struct _MPI2_SGE_TRANS_SIMPLE_UNION
969 {
970     union
971     {
972         MPI2_SGE_SIMPLE_UNION       Simple;
973         MPI2_SGE_TRANSACTION_UNION  Transaction;
974     } u;
975 } MPI2_SGE_TRANS_SIMPLE_UNION, MPI2_POINTER PTR_MPI2_SGE_TRANS_SIMPLE_UNION,
976   Mpi2SGETransSimpleUnion_t, MPI2_POINTER pMpi2SGETransSimpleUnion_t;
977 
978 
979 /****************************************************************************
980 *  All MPI SGE types union
981 ****************************************************************************/
982 
983 typedef struct _MPI2_MPI_SGE_UNION
984 {
985     union
986     {
987         MPI2_SGE_SIMPLE_UNION       Simple;
988         MPI2_SGE_CHAIN_UNION        Chain;
989         MPI2_SGE_TRANSACTION_UNION  Transaction;
990     } u;
991 } MPI2_MPI_SGE_UNION, MPI2_POINTER PTR_MPI2_MPI_SGE_UNION,
992   Mpi2MpiSgeUnion_t, MPI2_POINTER pMpi2MpiSgeUnion_t;
993 
994 
995 /****************************************************************************
996 *  MPI SGE field definition and masks
997 ****************************************************************************/
998 
999 /* Flags field bit definitions */
1000 
1001 #define MPI2_SGE_FLAGS_LAST_ELEMENT             (0x80)
1002 #define MPI2_SGE_FLAGS_END_OF_BUFFER            (0x40)
1003 #define MPI2_SGE_FLAGS_ELEMENT_TYPE_MASK        (0x30)
1004 #define MPI2_SGE_FLAGS_LOCAL_ADDRESS            (0x08)
1005 #define MPI2_SGE_FLAGS_DIRECTION                (0x04)
1006 #define MPI2_SGE_FLAGS_ADDRESS_SIZE             (0x02)
1007 #define MPI2_SGE_FLAGS_END_OF_LIST              (0x01)
1008 
1009 #define MPI2_SGE_FLAGS_SHIFT                    (24)
1010 
1011 #define MPI2_SGE_LENGTH_MASK                    (0x00FFFFFF)
1012 #define MPI2_SGE_CHAIN_LENGTH_MASK              (0x0000FFFF)
1013 
1014 /* Element Type */
1015 
1016 #define MPI2_SGE_FLAGS_TRANSACTION_ELEMENT      (0x00) /* for MPI v2.0 products only */
1017 #define MPI2_SGE_FLAGS_SIMPLE_ELEMENT           (0x10)
1018 #define MPI2_SGE_FLAGS_CHAIN_ELEMENT            (0x30) /* for MPI v2.0 products only */
1019 #define MPI2_SGE_FLAGS_ELEMENT_MASK             (0x30)
1020 
1021 /* Address location */
1022 
1023 #define MPI2_SGE_FLAGS_SYSTEM_ADDRESS           (0x00)
1024 
1025 /* Direction */
1026 
1027 #define MPI2_SGE_FLAGS_IOC_TO_HOST              (0x00)
1028 #define MPI2_SGE_FLAGS_HOST_TO_IOC              (0x04)
1029 
1030 #define MPI2_SGE_FLAGS_DEST                     (MPI2_SGE_FLAGS_IOC_TO_HOST)
1031 #define MPI2_SGE_FLAGS_SOURCE                   (MPI2_SGE_FLAGS_HOST_TO_IOC)
1032 
1033 /* Address Size */
1034 
1035 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
1036 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
1037 
1038 /* Context Size */
1039 
1040 #define MPI2_SGE_FLAGS_32_BIT_CONTEXT           (0x00)
1041 #define MPI2_SGE_FLAGS_64_BIT_CONTEXT           (0x02)
1042 #define MPI2_SGE_FLAGS_96_BIT_CONTEXT           (0x04)
1043 #define MPI2_SGE_FLAGS_128_BIT_CONTEXT          (0x06)
1044 
1045 #define MPI2_SGE_CHAIN_OFFSET_MASK              (0x00FF0000)
1046 #define MPI2_SGE_CHAIN_OFFSET_SHIFT             (16)
1047 
1048 /****************************************************************************
1049 *  MPI SGE operation Macros
1050 ****************************************************************************/
1051 
1052 /* SIMPLE FlagsLength manipulations... */
1053 #define MPI2_SGE_SET_FLAGS(f)          ((U32)(f) << MPI2_SGE_FLAGS_SHIFT)
1054 #define MPI2_SGE_GET_FLAGS(f)          (((f) & ~MPI2_SGE_LENGTH_MASK) >> MPI2_SGE_FLAGS_SHIFT)
1055 #define MPI2_SGE_LENGTH(f)             ((f) & MPI2_SGE_LENGTH_MASK)
1056 #define MPI2_SGE_CHAIN_LENGTH(f)       ((f) & MPI2_SGE_CHAIN_LENGTH_MASK)
1057 
1058 #define MPI2_SGE_SET_FLAGS_LENGTH(f,l) (MPI2_SGE_SET_FLAGS(f) | MPI2_SGE_LENGTH(l))
1059 
1060 #define MPI2_pSGE_GET_FLAGS(psg)            MPI2_SGE_GET_FLAGS((psg)->FlagsLength)
1061 #define MPI2_pSGE_GET_LENGTH(psg)           MPI2_SGE_LENGTH((psg)->FlagsLength)
1062 #define MPI2_pSGE_SET_FLAGS_LENGTH(psg,f,l) (psg)->FlagsLength = MPI2_SGE_SET_FLAGS_LENGTH(f,l)
1063 
1064 /* CAUTION - The following are READ-MODIFY-WRITE! */
1065 #define MPI2_pSGE_SET_FLAGS(psg,f)      (psg)->FlagsLength |= MPI2_SGE_SET_FLAGS(f)
1066 #define MPI2_pSGE_SET_LENGTH(psg,l)     (psg)->FlagsLength |= MPI2_SGE_LENGTH(l)
1067 
1068 #define MPI2_GET_CHAIN_OFFSET(x)    ((x & MPI2_SGE_CHAIN_OFFSET_MASK) >> MPI2_SGE_CHAIN_OFFSET_SHIFT)
1069 
1070 
1071 /*****************************************************************************
1072 *
1073 *        Fusion-MPT IEEE Scatter Gather Elements
1074 *
1075 *****************************************************************************/
1076 
1077 /****************************************************************************
1078 *  IEEE Simple Element structures
1079 ****************************************************************************/
1080 
1081 /* MPI2_IEEE_SGE_SIMPLE32 is for MPI v2.0 products only */
1082 typedef struct _MPI2_IEEE_SGE_SIMPLE32
1083 {
1084     U32                     Address;
1085     U32                     FlagsLength;
1086 } MPI2_IEEE_SGE_SIMPLE32, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE32,
1087   Mpi2IeeeSgeSimple32_t, MPI2_POINTER pMpi2IeeeSgeSimple32_t;
1088 
1089 typedef struct _MPI2_IEEE_SGE_SIMPLE64
1090 {
1091     U64                     Address;
1092     U32                     Length;
1093     U16                     Reserved1;
1094     U8                      Reserved2;
1095     U8                      Flags;
1096 } MPI2_IEEE_SGE_SIMPLE64, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE64,
1097   Mpi2IeeeSgeSimple64_t, MPI2_POINTER pMpi2IeeeSgeSimple64_t;
1098 
1099 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION
1100 {
1101     MPI2_IEEE_SGE_SIMPLE32  Simple32;
1102     MPI2_IEEE_SGE_SIMPLE64  Simple64;
1103 } MPI2_IEEE_SGE_SIMPLE_UNION, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE_UNION,
1104   Mpi2IeeeSgeSimpleUnion_t, MPI2_POINTER pMpi2IeeeSgeSimpleUnion_t;
1105 
1106 
1107 /****************************************************************************
1108 *  IEEE Chain Element structures
1109 ****************************************************************************/
1110 
1111 /* MPI2_IEEE_SGE_CHAIN32 is for MPI v2.0 products only */
1112 typedef MPI2_IEEE_SGE_SIMPLE32  MPI2_IEEE_SGE_CHAIN32;
1113 
1114 /* MPI2_IEEE_SGE_CHAIN64 is for MPI v2.0 products only */
1115 typedef MPI2_IEEE_SGE_SIMPLE64  MPI2_IEEE_SGE_CHAIN64;
1116 
1117 typedef union _MPI2_IEEE_SGE_CHAIN_UNION
1118 {
1119     MPI2_IEEE_SGE_CHAIN32   Chain32;
1120     MPI2_IEEE_SGE_CHAIN64   Chain64;
1121 } MPI2_IEEE_SGE_CHAIN_UNION, MPI2_POINTER PTR_MPI2_IEEE_SGE_CHAIN_UNION,
1122   Mpi2IeeeSgeChainUnion_t, MPI2_POINTER pMpi2IeeeSgeChainUnion_t;
1123 
1124 /* MPI25_IEEE_SGE_CHAIN64 is for MPI v2.5 products only */
1125 typedef struct _MPI25_IEEE_SGE_CHAIN64
1126 {
1127     U64                     Address;
1128     U32                     Length;
1129     U16                     Reserved1;
1130     U8                      NextChainOffset;
1131     U8                      Flags;
1132 } MPI25_IEEE_SGE_CHAIN64, MPI2_POINTER PTR_MPI25_IEEE_SGE_CHAIN64,
1133   Mpi25IeeeSgeChain64_t, MPI2_POINTER pMpi25IeeeSgeChain64_t;
1134 
1135 
1136 /****************************************************************************
1137 *  All IEEE SGE types union
1138 ****************************************************************************/
1139 
1140 /* MPI2_IEEE_SGE_UNION is for MPI v2.0 products only */
1141 typedef struct _MPI2_IEEE_SGE_UNION
1142 {
1143     union
1144     {
1145         MPI2_IEEE_SGE_SIMPLE_UNION  Simple;
1146         MPI2_IEEE_SGE_CHAIN_UNION   Chain;
1147     } u;
1148 } MPI2_IEEE_SGE_UNION, MPI2_POINTER PTR_MPI2_IEEE_SGE_UNION,
1149   Mpi2IeeeSgeUnion_t, MPI2_POINTER pMpi2IeeeSgeUnion_t;
1150 
1151 
1152 /****************************************************************************
1153 *  IEEE SGE union for IO SGL's
1154 ****************************************************************************/
1155 
1156 typedef union _MPI25_SGE_IO_UNION
1157 {
1158     MPI2_IEEE_SGE_SIMPLE64      IeeeSimple;
1159     MPI25_IEEE_SGE_CHAIN64      IeeeChain;
1160 } MPI25_SGE_IO_UNION, MPI2_POINTER PTR_MPI25_SGE_IO_UNION,
1161   Mpi25SGEIOUnion_t, MPI2_POINTER pMpi25SGEIOUnion_t;
1162 
1163 
1164 /****************************************************************************
1165 *  IEEE SGE field definitions and masks
1166 ****************************************************************************/
1167 
1168 /* Flags field bit definitions */
1169 
1170 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1171 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
1172 
1173 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1174 
1175 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1176 
1177 /* Element Type */
1178 
1179 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1180 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1181 
1182 /* Data Location Address Space */
1183 
1184 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1185 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00) /* for MPI v2.0, use in IEEE Simple Element only; for MPI v2.5, use in IEEE Simple or Chain element */
1186 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01) /* use in IEEE Simple Element only */
1187 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1188 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03) /* for MPI v2.0, use in IEEE Simple Element only; for MPI v2.5, use in IEEE Simple or Chain element */
1189 #define MPI2_IEEE_SGE_FLAGS_SYSTEMPLBPCI_ADDR   (0x03) /* use in MPI v2.0 IEEE Chain Element only */
1190 #define MPI2_IEEE_SGE_FLAGS_SYSTEMPLBCPI_ADDR   (MPI2_IEEE_SGE_FLAGS_SYSTEMPLBPCI_ADDR) /* typo in name */
1191 
1192 /****************************************************************************
1193 *  IEEE SGE operation Macros
1194 ****************************************************************************/
1195 
1196 /* SIMPLE FlagsLength manipulations... */
1197 #define MPI2_IEEE32_SGE_SET_FLAGS(f)     ((U32)(f) << MPI2_IEEE32_SGE_FLAGS_SHIFT)
1198 #define MPI2_IEEE32_SGE_GET_FLAGS(f)     (((f) & ~MPI2_IEEE32_SGE_LENGTH_MASK) >> MPI2_IEEE32_SGE_FLAGS_SHIFT)
1199 #define MPI2_IEEE32_SGE_LENGTH(f)        ((f) & MPI2_IEEE32_SGE_LENGTH_MASK)
1200 
1201 #define MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f, l)      (MPI2_IEEE32_SGE_SET_FLAGS(f) | MPI2_IEEE32_SGE_LENGTH(l))
1202 
1203 #define MPI2_IEEE32_pSGE_GET_FLAGS(psg)             MPI2_IEEE32_SGE_GET_FLAGS((psg)->FlagsLength)
1204 #define MPI2_IEEE32_pSGE_GET_LENGTH(psg)            MPI2_IEEE32_SGE_LENGTH((psg)->FlagsLength)
1205 #define MPI2_IEEE32_pSGE_SET_FLAGS_LENGTH(psg,f,l)  (psg)->FlagsLength = MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f,l)
1206 
1207 /* CAUTION - The following are READ-MODIFY-WRITE! */
1208 #define MPI2_IEEE32_pSGE_SET_FLAGS(psg,f)    (psg)->FlagsLength |= MPI2_IEEE32_SGE_SET_FLAGS(f)
1209 #define MPI2_IEEE32_pSGE_SET_LENGTH(psg,l)   (psg)->FlagsLength |= MPI2_IEEE32_SGE_LENGTH(l)
1210 
1211 
1212 
1213 /*****************************************************************************
1214 *
1215 *        Fusion-MPT MPI/IEEE Scatter Gather Unions
1216 *
1217 *****************************************************************************/
1218 
1219 typedef union _MPI2_SIMPLE_SGE_UNION
1220 {
1221     MPI2_SGE_SIMPLE_UNION       MpiSimple;
1222     MPI2_IEEE_SGE_SIMPLE_UNION  IeeeSimple;
1223 } MPI2_SIMPLE_SGE_UNION, MPI2_POINTER PTR_MPI2_SIMPLE_SGE_UNION,
1224   Mpi2SimpleSgeUntion_t, MPI2_POINTER pMpi2SimpleSgeUntion_t;
1225 
1226 
1227 typedef union _MPI2_SGE_IO_UNION
1228 {
1229     MPI2_SGE_SIMPLE_UNION       MpiSimple;
1230     MPI2_SGE_CHAIN_UNION        MpiChain;
1231     MPI2_IEEE_SGE_SIMPLE_UNION  IeeeSimple;
1232     MPI2_IEEE_SGE_CHAIN_UNION   IeeeChain;
1233 } MPI2_SGE_IO_UNION, MPI2_POINTER PTR_MPI2_SGE_IO_UNION,
1234   Mpi2SGEIOUnion_t, MPI2_POINTER pMpi2SGEIOUnion_t;
1235 
1236 
1237 /****************************************************************************
1238 *
1239 *  Values for SGLFlags field, used in many request messages with an SGL
1240 *
1241 ****************************************************************************/
1242 
1243 /* values for MPI SGL Data Location Address Space subfield */
1244 #define MPI2_SGLFLAGS_ADDRESS_SPACE_MASK            (0x0C)
1245 #define MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE          (0x00)
1246 #define MPI2_SGLFLAGS_IOCDDR_ADDRESS_SPACE          (0x04)
1247 #define MPI2_SGLFLAGS_IOCPLB_ADDRESS_SPACE          (0x08)
1248 #define MPI2_SGLFLAGS_IOCPLBNTA_ADDRESS_SPACE       (0x0C)
1249 /* values for SGL Type subfield */
1250 #define MPI2_SGLFLAGS_SGL_TYPE_MASK                 (0x03)
1251 #define MPI2_SGLFLAGS_SGL_TYPE_MPI                  (0x00)
1252 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE32               (0x01) /* MPI v2.0 products only */
1253 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE64               (0x02)
1254 
1255 
1256 #endif
1257 
1258