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1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright 2000-2020 Broadcom Inc. All rights reserved.
4  *
5  *
6  *          Name:  mpi2.h
7  *         Title:  MPI Message independent structures and definitions
8  *                 including System Interface Register Set and
9  *                 scatter/gather formats.
10  * Creation Date:  June 21, 2006
11  *
12  *  mpi2.h Version:  02.00.54
13  *
14  * NOTE: Names (typedefs, defines, etc.) beginning with an MPI25 or Mpi25
15  *       prefix are for use only on MPI v2.5 products, and must not be used
16  *       with MPI v2.0 products. Unless otherwise noted, names beginning with
17  *       MPI2 or Mpi2 are for use with both MPI v2.0 and MPI v2.5 products.
18  *
19  * Version History
20  * ---------------
21  *
22  * Date      Version   Description
23  * --------  --------  ------------------------------------------------------
24  * 04-30-07  02.00.00  Corresponds to Fusion-MPT MPI Specification Rev A.
25  * 06-04-07  02.00.01  Bumped MPI2_HEADER_VERSION_UNIT.
26  * 06-26-07  02.00.02  Bumped MPI2_HEADER_VERSION_UNIT.
27  * 08-31-07  02.00.03  Bumped MPI2_HEADER_VERSION_UNIT.
28  *                     Moved ReplyPostHostIndex register to offset 0x6C of the
29  *                     MPI2_SYSTEM_INTERFACE_REGS and modified the define for
30  *                     MPI2_REPLY_POST_HOST_INDEX_OFFSET.
31  *                     Added union of request descriptors.
32  *                     Added union of reply descriptors.
33  * 10-31-07  02.00.04  Bumped MPI2_HEADER_VERSION_UNIT.
34  *                     Added define for MPI2_VERSION_02_00.
35  *                     Fixed the size of the FunctionDependent5 field in the
36  *                     MPI2_DEFAULT_REPLY structure.
37  * 12-18-07  02.00.05  Bumped MPI2_HEADER_VERSION_UNIT.
38  *                     Removed the MPI-defined Fault Codes and extended the
39  *                     product specific codes up to 0xEFFF.
40  *                     Added a sixth key value for the WriteSequence register
41  *                     and changed the flush value to 0x0.
42  *                     Added message function codes for Diagnostic Buffer Post
43  *                     and Diagnsotic Release.
44  *                     New IOCStatus define: MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED
45  *                     Moved MPI2_VERSION_UNION from mpi2_ioc.h.
46  * 02-29-08  02.00.06  Bumped MPI2_HEADER_VERSION_UNIT.
47  * 03-03-08  02.00.07  Bumped MPI2_HEADER_VERSION_UNIT.
48  * 05-21-08  02.00.08  Bumped MPI2_HEADER_VERSION_UNIT.
49  *                     Added #defines for marking a reply descriptor as unused.
50  * 06-27-08  02.00.09  Bumped MPI2_HEADER_VERSION_UNIT.
51  * 10-02-08  02.00.10  Bumped MPI2_HEADER_VERSION_UNIT.
52  *                     Moved LUN field defines from mpi2_init.h.
53  * 01-19-09  02.00.11  Bumped MPI2_HEADER_VERSION_UNIT.
54  * 05-06-09  02.00.12  Bumped MPI2_HEADER_VERSION_UNIT.
55  *                     In all request and reply descriptors, replaced VF_ID
56  *                     field with MSIxIndex field.
57  *                     Removed DevHandle field from
58  *                     MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR and made those
59  *                     bytes reserved.
60  *                     Added RAID Accelerator functionality.
61  * 07-30-09  02.00.13  Bumped MPI2_HEADER_VERSION_UNIT.
62  * 10-28-09  02.00.14  Bumped MPI2_HEADER_VERSION_UNIT.
63  *                     Added MSI-x index mask and shift for Reply Post Host
64  *                     Index register.
65  *                     Added function code for Host Based Discovery Action.
66  * 02-10-10  02.00.15  Bumped MPI2_HEADER_VERSION_UNIT.
67  *                     Added define for MPI2_FUNCTION_PWR_MGMT_CONTROL.
68  *                     Added defines for product-specific range of message
69  *                     function codes, 0xF0 to 0xFF.
70  * 05-12-10  02.00.16  Bumped MPI2_HEADER_VERSION_UNIT.
71  *                     Added alternative defines for the SGE Direction bit.
72  * 08-11-10  02.00.17  Bumped MPI2_HEADER_VERSION_UNIT.
73  * 11-10-10  02.00.18  Bumped MPI2_HEADER_VERSION_UNIT.
74  *                     Added MPI2_IEEE_SGE_FLAGS_SYSTEMPLBCPI_ADDR define.
75  * 02-23-11  02.00.19  Bumped MPI2_HEADER_VERSION_UNIT.
76  *                     Added MPI2_FUNCTION_SEND_HOST_MESSAGE.
77  * 03-09-11  02.00.20  Bumped MPI2_HEADER_VERSION_UNIT.
78  * 05-25-11  02.00.21  Bumped MPI2_HEADER_VERSION_UNIT.
79  * 08-24-11  02.00.22  Bumped MPI2_HEADER_VERSION_UNIT.
80  * 11-18-11  02.00.23  Bumped MPI2_HEADER_VERSION_UNIT.
81  *                     Incorporating additions for MPI v2.5.
82  * 02-06-12  02.00.24  Bumped MPI2_HEADER_VERSION_UNIT.
83  * 03-29-12  02.00.25  Bumped MPI2_HEADER_VERSION_UNIT.
84  *                     Added Hard Reset delay timings.
85  * 07-10-12  02.00.26  Bumped MPI2_HEADER_VERSION_UNIT.
86  * 07-26-12  02.00.27  Bumped MPI2_HEADER_VERSION_UNIT.
87  * 11-27-12  02.00.28  Bumped MPI2_HEADER_VERSION_UNIT.
88  * 12-20-12  02.00.29  Bumped MPI2_HEADER_VERSION_UNIT.
89  *                     Added MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET.
90  * 04-09-13  02.00.30  Bumped MPI2_HEADER_VERSION_UNIT.
91  * 04-17-13  02.00.31  Bumped MPI2_HEADER_VERSION_UNIT.
92  * 08-19-13  02.00.32  Bumped MPI2_HEADER_VERSION_UNIT.
93  * 12-05-13  02.00.33  Bumped MPI2_HEADER_VERSION_UNIT.
94  * 01-08-14  02.00.34  Bumped MPI2_HEADER_VERSION_UNIT
95  * 06-13-14  02.00.35  Bumped MPI2_HEADER_VERSION_UNIT.
96  * 11-18-14  02.00.36  Updated copyright information.
97  *                     Bumped MPI2_HEADER_VERSION_UNIT.
98  * 03-16-15  02.00.37  Bumped MPI2_HEADER_VERSION_UNIT.
99  *                     Added Scratchpad registers to
100  *                     MPI2_SYSTEM_INTERFACE_REGS.
101  *                     Added MPI2_DIAG_SBR_RELOAD.
102  * 03-19-15  02.00.38  Bumped MPI2_HEADER_VERSION_UNIT.
103  * 05-25-15  02.00.39  Bumped MPI2_HEADER_VERSION_UNIT.
104  * 08-25-15  02.00.40  Bumped MPI2_HEADER_VERSION_UNIT.
105  * 12-15-15  02.00.41  Bumped MPI_HEADER_VERSION_UNIT
106  * 01-01-16  02.00.42  Bumped MPI_HEADER_VERSION_UNIT
107  * 04-05-16  02.00.43  Modified  MPI26_DIAG_BOOT_DEVICE_SELECT defines
108  *                     to be unique within first 32 characters.
109  *                     Removed AHCI support.
110  *                     Removed SOP support.
111  *                     Bumped MPI2_HEADER_VERSION_UNIT.
112  * 04-10-16  02.00.44  Bumped MPI2_HEADER_VERSION_UNIT.
113  * 07-06-16  02.00.45  Bumped MPI2_HEADER_VERSION_UNIT.
114  * 09-02-16  02.00.46  Bumped MPI2_HEADER_VERSION_UNIT.
115  * 11-23-16  02.00.47  Bumped MPI2_HEADER_VERSION_UNIT.
116  * 02-03-17  02.00.48  Bumped MPI2_HEADER_VERSION_UNIT.
117  * 06-13-17  02.00.49  Bumped MPI2_HEADER_VERSION_UNIT.
118  * 09-29-17  02.00.50  Bumped MPI2_HEADER_VERSION_UNIT.
119  * 07-22-18  02.00.51  Added SECURE_BOOT define.
120  *                     Bumped MPI2_HEADER_VERSION_UNIT
121  * 08-15-18  02.00.52  Bumped MPI2_HEADER_VERSION_UNIT.
122  * 08-28-18  02.00.53  Bumped MPI2_HEADER_VERSION_UNIT.
123  *                     Added MPI2_IOCSTATUS_FAILURE
124  * 12-17-18  02.00.54  Bumped MPI2_HEADER_VERSION_UNIT
125  *  --------------------------------------------------------------------------
126  */
127 
128 #ifndef MPI2_H
129 #define MPI2_H
130 
131 /*****************************************************************************
132 *
133 *       MPI Version Definitions
134 *
135 *****************************************************************************/
136 
137 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
138 #define MPI2_VERSION_MAJOR_SHIFT            (8)
139 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
140 #define MPI2_VERSION_MINOR_SHIFT            (0)
141 
142 /*major version for all MPI v2.x */
143 #define MPI2_VERSION_MAJOR                  (0x02)
144 
145 /*minor version for MPI v2.0 compatible products */
146 #define MPI2_VERSION_MINOR                  (0x00)
147 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
148 					MPI2_VERSION_MINOR)
149 #define MPI2_VERSION_02_00                  (0x0200)
150 
151 /*minor version for MPI v2.5 compatible products */
152 #define MPI25_VERSION_MINOR                 (0x05)
153 #define MPI25_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
154 					MPI25_VERSION_MINOR)
155 #define MPI2_VERSION_02_05                  (0x0205)
156 
157 /*minor version for MPI v2.6 compatible products */
158 #define MPI26_VERSION_MINOR		    (0x06)
159 #define MPI26_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
160 					MPI26_VERSION_MINOR)
161 #define MPI2_VERSION_02_06		    (0x0206)
162 
163 
164 /* Unit and Dev versioning for this MPI header set */
165 #define MPI2_HEADER_VERSION_UNIT            (0x36)
166 #define MPI2_HEADER_VERSION_DEV             (0x00)
167 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
168 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
169 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
170 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
171 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) | \
172 					MPI2_HEADER_VERSION_DEV)
173 
174 /*****************************************************************************
175 *
176 *       IOC State Definitions
177 *
178 *****************************************************************************/
179 
180 #define MPI2_IOC_STATE_RESET               (0x00000000)
181 #define MPI2_IOC_STATE_READY               (0x10000000)
182 #define MPI2_IOC_STATE_OPERATIONAL         (0x20000000)
183 #define MPI2_IOC_STATE_FAULT               (0x40000000)
184 
185 #define MPI2_IOC_STATE_MASK                (0xF0000000)
186 #define MPI2_IOC_STATE_SHIFT               (28)
187 
188 /*Fault state range for prodcut specific codes */
189 #define MPI2_FAULT_PRODUCT_SPECIFIC_MIN                 (0x0000)
190 #define MPI2_FAULT_PRODUCT_SPECIFIC_MAX                 (0xEFFF)
191 
192 /*****************************************************************************
193 *
194 *       System Interface Register Definitions
195 *
196 *****************************************************************************/
197 
198 typedef volatile struct _MPI2_SYSTEM_INTERFACE_REGS {
199 	U32 Doorbell;		/*0x00 */
200 	U32 WriteSequence;	/*0x04 */
201 	U32 HostDiagnostic;	/*0x08 */
202 	U32 Reserved1;		/*0x0C */
203 	U32 DiagRWData;		/*0x10 */
204 	U32 DiagRWAddressLow;	/*0x14 */
205 	U32 DiagRWAddressHigh;	/*0x18 */
206 	U32 Reserved2[5];	/*0x1C */
207 	U32 HostInterruptStatus;	/*0x30 */
208 	U32 HostInterruptMask;	/*0x34 */
209 	U32 DCRData;		/*0x38 */
210 	U32 DCRAddress;		/*0x3C */
211 	U32 Reserved3[2];	/*0x40 */
212 	U32 ReplyFreeHostIndex;	/*0x48 */
213 	U32 Reserved4[8];	/*0x4C */
214 	U32 ReplyPostHostIndex;	/*0x6C */
215 	U32 Reserved5;		/*0x70 */
216 	U32 HCBSize;		/*0x74 */
217 	U32 HCBAddressLow;	/*0x78 */
218 	U32 HCBAddressHigh;	/*0x7C */
219 	U32 Reserved6[12];	/*0x80 */
220 	U32 Scratchpad[4];	/*0xB0 */
221 	U32 RequestDescriptorPostLow;	/*0xC0 */
222 	U32 RequestDescriptorPostHigh;	/*0xC4 */
223 	U32 AtomicRequestDescriptorPost;/*0xC8 */
224 	U32 Reserved7[13];	/*0xCC */
225 } MPI2_SYSTEM_INTERFACE_REGS,
226 	*PTR_MPI2_SYSTEM_INTERFACE_REGS,
227 	Mpi2SystemInterfaceRegs_t,
228 	*pMpi2SystemInterfaceRegs_t;
229 
230 /*
231  *Defines for working with the Doorbell register.
232  */
233 #define MPI2_DOORBELL_OFFSET                    (0x00000000)
234 
235 /*IOC --> System values */
236 #define MPI2_DOORBELL_USED                      (0x08000000)
237 #define MPI2_DOORBELL_WHO_INIT_MASK             (0x07000000)
238 #define MPI2_DOORBELL_WHO_INIT_SHIFT            (24)
239 #define MPI2_DOORBELL_FAULT_CODE_MASK           (0x0000FFFF)
240 #define MPI2_DOORBELL_DATA_MASK                 (0x0000FFFF)
241 
242 /*System --> IOC values */
243 #define MPI2_DOORBELL_FUNCTION_MASK             (0xFF000000)
244 #define MPI2_DOORBELL_FUNCTION_SHIFT            (24)
245 #define MPI2_DOORBELL_ADD_DWORDS_MASK           (0x00FF0000)
246 #define MPI2_DOORBELL_ADD_DWORDS_SHIFT          (16)
247 
248 /*
249  *Defines for the WriteSequence register
250  */
251 #define MPI2_WRITE_SEQUENCE_OFFSET              (0x00000004)
252 #define MPI2_WRSEQ_KEY_VALUE_MASK               (0x0000000F)
253 #define MPI2_WRSEQ_FLUSH_KEY_VALUE              (0x0)
254 #define MPI2_WRSEQ_1ST_KEY_VALUE                (0xF)
255 #define MPI2_WRSEQ_2ND_KEY_VALUE                (0x4)
256 #define MPI2_WRSEQ_3RD_KEY_VALUE                (0xB)
257 #define MPI2_WRSEQ_4TH_KEY_VALUE                (0x2)
258 #define MPI2_WRSEQ_5TH_KEY_VALUE                (0x7)
259 #define MPI2_WRSEQ_6TH_KEY_VALUE                (0xD)
260 
261 /*
262  *Defines for the HostDiagnostic register
263  */
264 #define MPI2_HOST_DIAGNOSTIC_OFFSET             (0x00000008)
265 
266 #define MPI26_DIAG_SECURE_BOOT                  (0x80000000)
267 
268 #define MPI2_DIAG_SBR_RELOAD                    (0x00002000)
269 
270 #define MPI2_DIAG_BOOT_DEVICE_SELECT_MASK       (0x00001800)
271 #define MPI2_DIAG_BOOT_DEVICE_SELECT_DEFAULT    (0x00000000)
272 #define MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW       (0x00000800)
273 
274 /* Defines for V7A/V7R HostDiagnostic Register */
275 #define MPI26_DIAG_BOOT_DEVICE_SEL_64FLASH      (0x00000000)
276 #define MPI26_DIAG_BOOT_DEVICE_SEL_64HCDW       (0x00000800)
277 #define MPI26_DIAG_BOOT_DEVICE_SEL_32FLASH      (0x00001000)
278 #define MPI26_DIAG_BOOT_DEVICE_SEL_32HCDW       (0x00001800)
279 
280 #define MPI2_DIAG_CLEAR_FLASH_BAD_SIG           (0x00000400)
281 #define MPI2_DIAG_FORCE_HCB_ON_RESET            (0x00000200)
282 #define MPI2_DIAG_HCB_MODE                      (0x00000100)
283 #define MPI2_DIAG_DIAG_WRITE_ENABLE             (0x00000080)
284 #define MPI2_DIAG_FLASH_BAD_SIG                 (0x00000040)
285 #define MPI2_DIAG_RESET_HISTORY                 (0x00000020)
286 #define MPI2_DIAG_DIAG_RW_ENABLE                (0x00000010)
287 #define MPI2_DIAG_RESET_ADAPTER                 (0x00000004)
288 #define MPI2_DIAG_HOLD_IOC_RESET                (0x00000002)
289 
290 /*
291  *Offsets for DiagRWData and address
292  */
293 #define MPI2_DIAG_RW_DATA_OFFSET                (0x00000010)
294 #define MPI2_DIAG_RW_ADDRESS_LOW_OFFSET         (0x00000014)
295 #define MPI2_DIAG_RW_ADDRESS_HIGH_OFFSET        (0x00000018)
296 
297 /*
298  *Defines for the HostInterruptStatus register
299  */
300 #define MPI2_HOST_INTERRUPT_STATUS_OFFSET       (0x00000030)
301 #define MPI2_HIS_SYS2IOC_DB_STATUS              (0x80000000)
302 #define MPI2_HIS_IOP_DOORBELL_STATUS MPI2_HIS_SYS2IOC_DB_STATUS
303 #define MPI2_HIS_RESET_IRQ_STATUS               (0x40000000)
304 #define MPI2_HIS_REPLY_DESCRIPTOR_INTERRUPT     (0x00000008)
305 #define MPI2_HIS_IOC2SYS_DB_STATUS              (0x00000001)
306 #define MPI2_HIS_DOORBELL_INTERRUPT MPI2_HIS_IOC2SYS_DB_STATUS
307 
308 /*
309  *Defines for the HostInterruptMask register
310  */
311 #define MPI2_HOST_INTERRUPT_MASK_OFFSET         (0x00000034)
312 #define MPI2_HIM_RESET_IRQ_MASK                 (0x40000000)
313 #define MPI2_HIM_REPLY_INT_MASK                 (0x00000008)
314 #define MPI2_HIM_RIM                            MPI2_HIM_REPLY_INT_MASK
315 #define MPI2_HIM_IOC2SYS_DB_MASK                (0x00000001)
316 #define MPI2_HIM_DIM                            MPI2_HIM_IOC2SYS_DB_MASK
317 
318 /*
319  *Offsets for DCRData and address
320  */
321 #define MPI2_DCR_DATA_OFFSET                    (0x00000038)
322 #define MPI2_DCR_ADDRESS_OFFSET                 (0x0000003C)
323 
324 /*
325  *Offset for the Reply Free Queue
326  */
327 #define MPI2_REPLY_FREE_HOST_INDEX_OFFSET       (0x00000048)
328 
329 /*
330  *Defines for the Reply Descriptor Post Queue
331  */
332 #define MPI2_REPLY_POST_HOST_INDEX_OFFSET       (0x0000006C)
333 #define MPI2_REPLY_POST_HOST_INDEX_MASK         (0x00FFFFFF)
334 #define MPI2_RPHI_MSIX_INDEX_MASK               (0xFF000000)
335 #define MPI2_RPHI_MSIX_INDEX_SHIFT              (24)
336 #define MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET  (0x0000030C) /*MPI v2.5 only*/
337 
338 
339 /*
340  *Defines for the HCBSize and address
341  */
342 #define MPI2_HCB_SIZE_OFFSET                    (0x00000074)
343 #define MPI2_HCB_SIZE_SIZE_MASK                 (0xFFFFF000)
344 #define MPI2_HCB_SIZE_HCB_ENABLE                (0x00000001)
345 
346 #define MPI2_HCB_ADDRESS_LOW_OFFSET             (0x00000078)
347 #define MPI2_HCB_ADDRESS_HIGH_OFFSET            (0x0000007C)
348 
349 /*
350  *Offsets for the Scratchpad registers
351  */
352 #define MPI26_SCRATCHPAD0_OFFSET                (0x000000B0)
353 #define MPI26_SCRATCHPAD1_OFFSET                (0x000000B4)
354 #define MPI26_SCRATCHPAD2_OFFSET                (0x000000B8)
355 #define MPI26_SCRATCHPAD3_OFFSET                (0x000000BC)
356 
357 /*
358  *Offsets for the Request Descriptor Post Queue
359  */
360 #define MPI2_REQUEST_DESCRIPTOR_POST_LOW_OFFSET     (0x000000C0)
361 #define MPI2_REQUEST_DESCRIPTOR_POST_HIGH_OFFSET    (0x000000C4)
362 #define MPI26_ATOMIC_REQUEST_DESCRIPTOR_POST_OFFSET (0x000000C8)
363 
364 /*Hard Reset delay timings */
365 #define MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC     (50000)
366 #define MPI2_HARD_RESET_PCIE_RESET_READ_WINDOW_MICRO_SEC    (255000)
367 #define MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC    (256000)
368 
369 /*****************************************************************************
370 *
371 *       Message Descriptors
372 *
373 *****************************************************************************/
374 
375 /*Request Descriptors */
376 
377 /*Default Request Descriptor */
378 typedef struct _MPI2_DEFAULT_REQUEST_DESCRIPTOR {
379 	U8 RequestFlags;	/*0x00 */
380 	U8 MSIxIndex;		/*0x01 */
381 	U16 SMID;		/*0x02 */
382 	U16 LMID;		/*0x04 */
383 	U16 DescriptorTypeDependent;	/*0x06 */
384 } MPI2_DEFAULT_REQUEST_DESCRIPTOR,
385 	*PTR_MPI2_DEFAULT_REQUEST_DESCRIPTOR,
386 	Mpi2DefaultRequestDescriptor_t,
387 	*pMpi2DefaultRequestDescriptor_t;
388 
389 /*defines for the RequestFlags field */
390 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x1E)
391 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_RSHIFT             (1)
392 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
393 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
394 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
395 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
396 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
397 #define MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO      (0x0C)
398 #define MPI26_REQ_DESCRIPT_FLAGS_PCIE_ENCAPSULATED      (0x10)
399 
400 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER         (0x01)
401 
402 /*High Priority Request Descriptor */
403 typedef struct _MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR {
404 	U8 RequestFlags;	/*0x00 */
405 	U8 MSIxIndex;		/*0x01 */
406 	U16 SMID;		/*0x02 */
407 	U16 LMID;		/*0x04 */
408 	U16 Reserved1;		/*0x06 */
409 } MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
410 	*PTR_MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
411 	Mpi2HighPriorityRequestDescriptor_t,
412 	*pMpi2HighPriorityRequestDescriptor_t;
413 
414 /*SCSI IO Request Descriptor */
415 typedef struct _MPI2_SCSI_IO_REQUEST_DESCRIPTOR {
416 	U8 RequestFlags;	/*0x00 */
417 	U8 MSIxIndex;		/*0x01 */
418 	U16 SMID;		/*0x02 */
419 	U16 LMID;		/*0x04 */
420 	U16 DevHandle;		/*0x06 */
421 } MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
422 	*PTR_MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
423 	Mpi2SCSIIORequestDescriptor_t,
424 	*pMpi2SCSIIORequestDescriptor_t;
425 
426 /*SCSI Target Request Descriptor */
427 typedef struct _MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR {
428 	U8 RequestFlags;	/*0x00 */
429 	U8 MSIxIndex;		/*0x01 */
430 	U16 SMID;		/*0x02 */
431 	U16 LMID;		/*0x04 */
432 	U16 IoIndex;		/*0x06 */
433 } MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
434 	*PTR_MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
435 	Mpi2SCSITargetRequestDescriptor_t,
436 	*pMpi2SCSITargetRequestDescriptor_t;
437 
438 /*RAID Accelerator Request Descriptor */
439 typedef struct _MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR {
440 	U8 RequestFlags;	/*0x00 */
441 	U8 MSIxIndex;		/*0x01 */
442 	U16 SMID;		/*0x02 */
443 	U16 LMID;		/*0x04 */
444 	U16 Reserved;		/*0x06 */
445 } MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
446 	*PTR_MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
447 	Mpi2RAIDAcceleratorRequestDescriptor_t,
448 	*pMpi2RAIDAcceleratorRequestDescriptor_t;
449 
450 /*Fast Path SCSI IO Request Descriptor */
451 typedef MPI2_SCSI_IO_REQUEST_DESCRIPTOR
452 	MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR,
453 	*PTR_MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR,
454 	Mpi25FastPathSCSIIORequestDescriptor_t,
455 	*pMpi25FastPathSCSIIORequestDescriptor_t;
456 
457 /*PCIe Encapsulated Request Descriptor */
458 typedef MPI2_SCSI_IO_REQUEST_DESCRIPTOR
459 	MPI26_PCIE_ENCAPSULATED_REQUEST_DESCRIPTOR,
460 	*PTR_MPI26_PCIE_ENCAPSULATED_REQUEST_DESCRIPTOR,
461 	Mpi26PCIeEncapsulatedRequestDescriptor_t,
462 	*pMpi26PCIeEncapsulatedRequestDescriptor_t;
463 
464 /*union of Request Descriptors */
465 typedef union _MPI2_REQUEST_DESCRIPTOR_UNION {
466 	MPI2_DEFAULT_REQUEST_DESCRIPTOR Default;
467 	MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR HighPriority;
468 	MPI2_SCSI_IO_REQUEST_DESCRIPTOR SCSIIO;
469 	MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR SCSITarget;
470 	MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR RAIDAccelerator;
471 	MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR FastPathSCSIIO;
472 	MPI26_PCIE_ENCAPSULATED_REQUEST_DESCRIPTOR PCIeEncapsulated;
473 	U64 Words;
474 } MPI2_REQUEST_DESCRIPTOR_UNION,
475 	*PTR_MPI2_REQUEST_DESCRIPTOR_UNION,
476 	Mpi2RequestDescriptorUnion_t,
477 	*pMpi2RequestDescriptorUnion_t;
478 
479 /*Atomic Request Descriptors */
480 
481 /*
482  * All Atomic Request Descriptors have the same format, so the following
483  * structure is used for all Atomic Request Descriptors:
484  *      Atomic Default Request Descriptor
485  *      Atomic High Priority Request Descriptor
486  *      Atomic SCSI IO Request Descriptor
487  *      Atomic SCSI Target Request Descriptor
488  *      Atomic RAID Accelerator Request Descriptor
489  *      Atomic Fast Path SCSI IO Request Descriptor
490  *      Atomic PCIe Encapsulated Request Descriptor
491  */
492 
493 /*Atomic Request Descriptor */
494 typedef struct _MPI26_ATOMIC_REQUEST_DESCRIPTOR {
495 	U8 RequestFlags;	/* 0x00 */
496 	U8 MSIxIndex;		/* 0x01 */
497 	U16 SMID;		/* 0x02 */
498 } MPI26_ATOMIC_REQUEST_DESCRIPTOR,
499 	*PTR_MPI26_ATOMIC_REQUEST_DESCRIPTOR,
500 	Mpi26AtomicRequestDescriptor_t,
501 	*pMpi26AtomicRequestDescriptor_t;
502 
503 /*for the RequestFlags field, use the same
504  *defines as MPI2_DEFAULT_REQUEST_DESCRIPTOR
505  */
506 
507 /*Reply Descriptors */
508 
509 /*Default Reply Descriptor */
510 typedef struct _MPI2_DEFAULT_REPLY_DESCRIPTOR {
511 	U8 ReplyFlags;		/*0x00 */
512 	U8 MSIxIndex;		/*0x01 */
513 	U16 DescriptorTypeDependent1;	/*0x02 */
514 	U32 DescriptorTypeDependent2;	/*0x04 */
515 } MPI2_DEFAULT_REPLY_DESCRIPTOR,
516 	*PTR_MPI2_DEFAULT_REPLY_DESCRIPTOR,
517 	Mpi2DefaultReplyDescriptor_t,
518 	*pMpi2DefaultReplyDescriptor_t;
519 
520 /*defines for the ReplyFlags field */
521 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
522 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
523 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
524 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
525 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
526 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
527 #define MPI25_RPY_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO_SUCCESS  (0x06)
528 #define MPI26_RPY_DESCRIPT_FLAGS_PCIE_ENCAPSULATED_SUCCESS  (0x08)
529 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
530 
531 /*values for marking a reply descriptor as unused */
532 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
533 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
534 
535 /*Address Reply Descriptor */
536 typedef struct _MPI2_ADDRESS_REPLY_DESCRIPTOR {
537 	U8 ReplyFlags;		/*0x00 */
538 	U8 MSIxIndex;		/*0x01 */
539 	U16 SMID;		/*0x02 */
540 	U32 ReplyFrameAddress;	/*0x04 */
541 } MPI2_ADDRESS_REPLY_DESCRIPTOR,
542 	*PTR_MPI2_ADDRESS_REPLY_DESCRIPTOR,
543 	Mpi2AddressReplyDescriptor_t,
544 	*pMpi2AddressReplyDescriptor_t;
545 
546 #define MPI2_ADDRESS_REPLY_SMID_INVALID                 (0x00)
547 
548 /*SCSI IO Success Reply Descriptor */
549 typedef struct _MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR {
550 	U8 ReplyFlags;		/*0x00 */
551 	U8 MSIxIndex;		/*0x01 */
552 	U16 SMID;		/*0x02 */
553 	U16 TaskTag;		/*0x04 */
554 	U16 Reserved1;		/*0x06 */
555 } MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
556 	*PTR_MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
557 	Mpi2SCSIIOSuccessReplyDescriptor_t,
558 	*pMpi2SCSIIOSuccessReplyDescriptor_t;
559 
560 /*TargetAssist Success Reply Descriptor */
561 typedef struct _MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR {
562 	U8 ReplyFlags;		/*0x00 */
563 	U8 MSIxIndex;		/*0x01 */
564 	U16 SMID;		/*0x02 */
565 	U8 SequenceNumber;	/*0x04 */
566 	U8 Reserved1;		/*0x05 */
567 	U16 IoIndex;		/*0x06 */
568 } MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
569 	*PTR_MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
570 	Mpi2TargetAssistSuccessReplyDescriptor_t,
571 	*pMpi2TargetAssistSuccessReplyDescriptor_t;
572 
573 /*Target Command Buffer Reply Descriptor */
574 typedef struct _MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR {
575 	U8 ReplyFlags;		/*0x00 */
576 	U8 MSIxIndex;		/*0x01 */
577 	U8 VP_ID;		/*0x02 */
578 	U8 Flags;		/*0x03 */
579 	U16 InitiatorDevHandle;	/*0x04 */
580 	U16 IoIndex;		/*0x06 */
581 } MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
582 	*PTR_MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
583 	Mpi2TargetCommandBufferReplyDescriptor_t,
584 	*pMpi2TargetCommandBufferReplyDescriptor_t;
585 
586 /*defines for Flags field */
587 #define MPI2_RPY_DESCRIPT_TCB_FLAGS_PHYNUM_MASK     (0x3F)
588 
589 /*RAID Accelerator Success Reply Descriptor */
590 typedef struct _MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR {
591 	U8 ReplyFlags;		/*0x00 */
592 	U8 MSIxIndex;		/*0x01 */
593 	U16 SMID;		/*0x02 */
594 	U32 Reserved;		/*0x04 */
595 } MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
596 	*PTR_MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
597 	Mpi2RAIDAcceleratorSuccessReplyDescriptor_t,
598 	*pMpi2RAIDAcceleratorSuccessReplyDescriptor_t;
599 
600 /*Fast Path SCSI IO Success Reply Descriptor */
601 typedef MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR
602 	MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
603 	*PTR_MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
604 	Mpi25FastPathSCSIIOSuccessReplyDescriptor_t,
605 	*pMpi25FastPathSCSIIOSuccessReplyDescriptor_t;
606 
607 /*PCIe Encapsulated Success Reply Descriptor */
608 typedef MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR
609 	MPI26_PCIE_ENCAPSULATED_SUCCESS_REPLY_DESCRIPTOR,
610 	*PTR_MPI26_PCIE_ENCAPSULATED_SUCCESS_REPLY_DESCRIPTOR,
611 	Mpi26PCIeEncapsulatedSuccessReplyDescriptor_t,
612 	*pMpi26PCIeEncapsulatedSuccessReplyDescriptor_t;
613 
614 /*union of Reply Descriptors */
615 typedef union _MPI2_REPLY_DESCRIPTORS_UNION {
616 	MPI2_DEFAULT_REPLY_DESCRIPTOR Default;
617 	MPI2_ADDRESS_REPLY_DESCRIPTOR AddressReply;
618 	MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR SCSIIOSuccess;
619 	MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR TargetAssistSuccess;
620 	MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR TargetCommandBuffer;
621 	MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR RAIDAcceleratorSuccess;
622 	MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR FastPathSCSIIOSuccess;
623 	MPI26_PCIE_ENCAPSULATED_SUCCESS_REPLY_DESCRIPTOR
624 						PCIeEncapsulatedSuccess;
625 	U64 Words;
626 } MPI2_REPLY_DESCRIPTORS_UNION,
627 	*PTR_MPI2_REPLY_DESCRIPTORS_UNION,
628 	Mpi2ReplyDescriptorsUnion_t,
629 	*pMpi2ReplyDescriptorsUnion_t;
630 
631 /*****************************************************************************
632 *
633 *       Message Functions
634 *
635 *****************************************************************************/
636 
637 #define MPI2_FUNCTION_SCSI_IO_REQUEST		    (0x00)
638 #define MPI2_FUNCTION_SCSI_TASK_MGMT		    (0x01)
639 #define MPI2_FUNCTION_IOC_INIT                      (0x02)
640 #define MPI2_FUNCTION_IOC_FACTS                     (0x03)
641 #define MPI2_FUNCTION_CONFIG                        (0x04)
642 #define MPI2_FUNCTION_PORT_FACTS                    (0x05)
643 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06)
644 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07)
645 #define MPI2_FUNCTION_EVENT_ACK                     (0x08)
646 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09)
647 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B)
648 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C)
649 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D)
650 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12)
651 #define MPI2_FUNCTION_RAID_ACTION                   (0x15)
652 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16)
653 #define MPI2_FUNCTION_TOOLBOX                       (0x17)
654 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18)
655 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A)
656 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B)
657 #define MPI2_FUNCTION_IO_UNIT_CONTROL               (0x1B)
658 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C)
659 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D)
660 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E)
661 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24)
662 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25)
663 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C)
664 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F)
665 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30)
666 #define MPI2_FUNCTION_SEND_HOST_MESSAGE             (0x31)
667 #define MPI2_FUNCTION_NVME_ENCAPSULATED             (0x33)
668 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0)
669 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF)
670 
671 /*Doorbell functions */
672 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
673 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
674 
675 /*****************************************************************************
676 *
677 *       IOC Status Values
678 *
679 *****************************************************************************/
680 
681 /*mask for IOCStatus status value */
682 #define MPI2_IOCSTATUS_MASK                     (0x7FFF)
683 
684 /****************************************************************************
685 * Common IOCStatus values for all replies
686 ****************************************************************************/
687 
688 #define MPI2_IOCSTATUS_SUCCESS                      (0x0000)
689 #define MPI2_IOCSTATUS_INVALID_FUNCTION             (0x0001)
690 #define MPI2_IOCSTATUS_BUSY                         (0x0002)
691 #define MPI2_IOCSTATUS_INVALID_SGL                  (0x0003)
692 #define MPI2_IOCSTATUS_INTERNAL_ERROR               (0x0004)
693 #define MPI2_IOCSTATUS_INVALID_VPID                 (0x0005)
694 #define MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES       (0x0006)
695 #define MPI2_IOCSTATUS_INVALID_FIELD                (0x0007)
696 #define MPI2_IOCSTATUS_INVALID_STATE                (0x0008)
697 #define MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED       (0x0009)
698 /*MPI v2.6 and later */
699 #define MPI2_IOCSTATUS_INSUFFICIENT_POWER           (0x000A)
700 #define MPI2_IOCSTATUS_FAILURE                      (0x000F)
701 
702 /****************************************************************************
703 * Config IOCStatus values
704 ****************************************************************************/
705 
706 #define MPI2_IOCSTATUS_CONFIG_INVALID_ACTION        (0x0020)
707 #define MPI2_IOCSTATUS_CONFIG_INVALID_TYPE          (0x0021)
708 #define MPI2_IOCSTATUS_CONFIG_INVALID_PAGE          (0x0022)
709 #define MPI2_IOCSTATUS_CONFIG_INVALID_DATA          (0x0023)
710 #define MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS           (0x0024)
711 #define MPI2_IOCSTATUS_CONFIG_CANT_COMMIT           (0x0025)
712 
713 /****************************************************************************
714 * SCSI IO Reply
715 ****************************************************************************/
716 
717 #define MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR         (0x0040)
718 #define MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE       (0x0042)
719 #define MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE        (0x0043)
720 #define MPI2_IOCSTATUS_SCSI_DATA_OVERRUN            (0x0044)
721 #define MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN           (0x0045)
722 #define MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR           (0x0046)
723 #define MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR          (0x0047)
724 #define MPI2_IOCSTATUS_SCSI_TASK_TERMINATED         (0x0048)
725 #define MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH       (0x0049)
726 #define MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED        (0x004A)
727 #define MPI2_IOCSTATUS_SCSI_IOC_TERMINATED          (0x004B)
728 #define MPI2_IOCSTATUS_SCSI_EXT_TERMINATED          (0x004C)
729 
730 /****************************************************************************
731 * For use by SCSI Initiator and SCSI Target end-to-end data protection
732 ****************************************************************************/
733 
734 #define MPI2_IOCSTATUS_EEDP_GUARD_ERROR             (0x004D)
735 #define MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR           (0x004E)
736 #define MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR           (0x004F)
737 
738 /****************************************************************************
739 * SCSI Target values
740 ****************************************************************************/
741 
742 #define MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX      (0x0062)
743 #define MPI2_IOCSTATUS_TARGET_ABORTED               (0x0063)
744 #define MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE     (0x0064)
745 #define MPI2_IOCSTATUS_TARGET_NO_CONNECTION         (0x0065)
746 #define MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH   (0x006A)
747 #define MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR     (0x006D)
748 #define MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA   (0x006E)
749 #define MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT          (0x006F)
750 #define MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT       (0x0070)
751 #define MPI2_IOCSTATUS_TARGET_NAK_RECEIVED          (0x0071)
752 
753 /****************************************************************************
754 * Serial Attached SCSI values
755 ****************************************************************************/
756 
757 #define MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED       (0x0090)
758 #define MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN         (0x0091)
759 
760 /****************************************************************************
761 * Diagnostic Buffer Post / Diagnostic Release values
762 ****************************************************************************/
763 
764 #define MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED          (0x00A0)
765 
766 /****************************************************************************
767 * RAID Accelerator values
768 ****************************************************************************/
769 
770 #define MPI2_IOCSTATUS_RAID_ACCEL_ERROR             (0x00B0)
771 
772 /****************************************************************************
773 * IOCStatus flag to indicate that log info is available
774 ****************************************************************************/
775 
776 #define MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE      (0x8000)
777 
778 /****************************************************************************
779 * IOCLogInfo Types
780 ****************************************************************************/
781 
782 #define MPI2_IOCLOGINFO_TYPE_MASK               (0xF0000000)
783 #define MPI2_IOCLOGINFO_TYPE_SHIFT              (28)
784 #define MPI2_IOCLOGINFO_TYPE_NONE               (0x0)
785 #define MPI2_IOCLOGINFO_TYPE_SCSI               (0x1)
786 #define MPI2_IOCLOGINFO_TYPE_FC                 (0x2)
787 #define MPI2_IOCLOGINFO_TYPE_SAS                (0x3)
788 #define MPI2_IOCLOGINFO_TYPE_ISCSI              (0x4)
789 #define MPI2_IOCLOGINFO_LOG_DATA_MASK           (0x0FFFFFFF)
790 
791 /*****************************************************************************
792 *
793 *       Standard Message Structures
794 *
795 *****************************************************************************/
796 
797 /****************************************************************************
798 *Request Message Header for all request messages
799 ****************************************************************************/
800 
801 typedef struct _MPI2_REQUEST_HEADER {
802 	U16 FunctionDependent1;	/*0x00 */
803 	U8 ChainOffset;		/*0x02 */
804 	U8 Function;		/*0x03 */
805 	U16 FunctionDependent2;	/*0x04 */
806 	U8 FunctionDependent3;	/*0x06 */
807 	U8 MsgFlags;		/*0x07 */
808 	U8 VP_ID;		/*0x08 */
809 	U8 VF_ID;		/*0x09 */
810 	U16 Reserved1;		/*0x0A */
811 } MPI2_REQUEST_HEADER, *PTR_MPI2_REQUEST_HEADER,
812 	MPI2RequestHeader_t, *pMPI2RequestHeader_t;
813 
814 /****************************************************************************
815 * Default Reply
816 ****************************************************************************/
817 
818 typedef struct _MPI2_DEFAULT_REPLY {
819 	U16 FunctionDependent1;	/*0x00 */
820 	U8 MsgLength;		/*0x02 */
821 	U8 Function;		/*0x03 */
822 	U16 FunctionDependent2;	/*0x04 */
823 	U8 FunctionDependent3;	/*0x06 */
824 	U8 MsgFlags;		/*0x07 */
825 	U8 VP_ID;		/*0x08 */
826 	U8 VF_ID;		/*0x09 */
827 	U16 Reserved1;		/*0x0A */
828 	U16 FunctionDependent5;	/*0x0C */
829 	U16 IOCStatus;		/*0x0E */
830 	U32 IOCLogInfo;		/*0x10 */
831 } MPI2_DEFAULT_REPLY, *PTR_MPI2_DEFAULT_REPLY,
832 	MPI2DefaultReply_t, *pMPI2DefaultReply_t;
833 
834 /*common version structure/union used in messages and configuration pages */
835 
836 typedef struct _MPI2_VERSION_STRUCT {
837 	U8 Dev;			/*0x00 */
838 	U8 Unit;		/*0x01 */
839 	U8 Minor;		/*0x02 */
840 	U8 Major;		/*0x03 */
841 } MPI2_VERSION_STRUCT;
842 
843 typedef union _MPI2_VERSION_UNION {
844 	MPI2_VERSION_STRUCT Struct;
845 	U32 Word;
846 } MPI2_VERSION_UNION;
847 
848 /*LUN field defines, common to many structures */
849 #define MPI2_LUN_FIRST_LEVEL_ADDRESSING             (0x0000FFFF)
850 #define MPI2_LUN_SECOND_LEVEL_ADDRESSING            (0xFFFF0000)
851 #define MPI2_LUN_THIRD_LEVEL_ADDRESSING             (0x0000FFFF)
852 #define MPI2_LUN_FOURTH_LEVEL_ADDRESSING            (0xFFFF0000)
853 #define MPI2_LUN_LEVEL_1_WORD                       (0xFF00)
854 #define MPI2_LUN_LEVEL_1_DWORD                      (0x0000FF00)
855 
856 /*****************************************************************************
857 *
858 *       Fusion-MPT MPI Scatter Gather Elements
859 *
860 *****************************************************************************/
861 
862 /****************************************************************************
863 * MPI Simple Element structures
864 ****************************************************************************/
865 
866 typedef struct _MPI2_SGE_SIMPLE32 {
867 	U32 FlagsLength;
868 	U32 Address;
869 } MPI2_SGE_SIMPLE32, *PTR_MPI2_SGE_SIMPLE32,
870 	Mpi2SGESimple32_t, *pMpi2SGESimple32_t;
871 
872 typedef struct _MPI2_SGE_SIMPLE64 {
873 	U32 FlagsLength;
874 	U64 Address;
875 } MPI2_SGE_SIMPLE64, *PTR_MPI2_SGE_SIMPLE64,
876 	Mpi2SGESimple64_t, *pMpi2SGESimple64_t;
877 
878 typedef struct _MPI2_SGE_SIMPLE_UNION {
879 	U32 FlagsLength;
880 	union {
881 		U32 Address32;
882 		U64 Address64;
883 	} u;
884 } MPI2_SGE_SIMPLE_UNION,
885 	*PTR_MPI2_SGE_SIMPLE_UNION,
886 	Mpi2SGESimpleUnion_t,
887 	*pMpi2SGESimpleUnion_t;
888 
889 /****************************************************************************
890 * MPI Chain Element structures - for MPI v2.0 products only
891 ****************************************************************************/
892 
893 typedef struct _MPI2_SGE_CHAIN32 {
894 	U16 Length;
895 	U8 NextChainOffset;
896 	U8 Flags;
897 	U32 Address;
898 } MPI2_SGE_CHAIN32, *PTR_MPI2_SGE_CHAIN32,
899 	Mpi2SGEChain32_t, *pMpi2SGEChain32_t;
900 
901 typedef struct _MPI2_SGE_CHAIN64 {
902 	U16 Length;
903 	U8 NextChainOffset;
904 	U8 Flags;
905 	U64 Address;
906 } MPI2_SGE_CHAIN64, *PTR_MPI2_SGE_CHAIN64,
907 	Mpi2SGEChain64_t, *pMpi2SGEChain64_t;
908 
909 typedef struct _MPI2_SGE_CHAIN_UNION {
910 	U16 Length;
911 	U8 NextChainOffset;
912 	U8 Flags;
913 	union {
914 		U32 Address32;
915 		U64 Address64;
916 	} u;
917 } MPI2_SGE_CHAIN_UNION,
918 	*PTR_MPI2_SGE_CHAIN_UNION,
919 	Mpi2SGEChainUnion_t,
920 	*pMpi2SGEChainUnion_t;
921 
922 /****************************************************************************
923 * MPI Transaction Context Element structures - for MPI v2.0 products only
924 ****************************************************************************/
925 
926 typedef struct _MPI2_SGE_TRANSACTION32 {
927 	U8 Reserved;
928 	U8 ContextSize;
929 	U8 DetailsLength;
930 	U8 Flags;
931 	U32 TransactionContext[1];
932 	U32 TransactionDetails[1];
933 } MPI2_SGE_TRANSACTION32,
934 	*PTR_MPI2_SGE_TRANSACTION32,
935 	Mpi2SGETransaction32_t,
936 	*pMpi2SGETransaction32_t;
937 
938 typedef struct _MPI2_SGE_TRANSACTION64 {
939 	U8 Reserved;
940 	U8 ContextSize;
941 	U8 DetailsLength;
942 	U8 Flags;
943 	U32 TransactionContext[2];
944 	U32 TransactionDetails[1];
945 } MPI2_SGE_TRANSACTION64,
946 	*PTR_MPI2_SGE_TRANSACTION64,
947 	Mpi2SGETransaction64_t,
948 	*pMpi2SGETransaction64_t;
949 
950 typedef struct _MPI2_SGE_TRANSACTION96 {
951 	U8 Reserved;
952 	U8 ContextSize;
953 	U8 DetailsLength;
954 	U8 Flags;
955 	U32 TransactionContext[3];
956 	U32 TransactionDetails[1];
957 } MPI2_SGE_TRANSACTION96, *PTR_MPI2_SGE_TRANSACTION96,
958 	Mpi2SGETransaction96_t, *pMpi2SGETransaction96_t;
959 
960 typedef struct _MPI2_SGE_TRANSACTION128 {
961 	U8 Reserved;
962 	U8 ContextSize;
963 	U8 DetailsLength;
964 	U8 Flags;
965 	U32 TransactionContext[4];
966 	U32 TransactionDetails[1];
967 } MPI2_SGE_TRANSACTION128, *PTR_MPI2_SGE_TRANSACTION128,
968 	Mpi2SGETransaction_t128, *pMpi2SGETransaction_t128;
969 
970 typedef struct _MPI2_SGE_TRANSACTION_UNION {
971 	U8 Reserved;
972 	U8 ContextSize;
973 	U8 DetailsLength;
974 	U8 Flags;
975 	union {
976 		U32 TransactionContext32[1];
977 		U32 TransactionContext64[2];
978 		U32 TransactionContext96[3];
979 		U32 TransactionContext128[4];
980 	} u;
981 	U32 TransactionDetails[1];
982 } MPI2_SGE_TRANSACTION_UNION,
983 	*PTR_MPI2_SGE_TRANSACTION_UNION,
984 	Mpi2SGETransactionUnion_t,
985 	*pMpi2SGETransactionUnion_t;
986 
987 /****************************************************************************
988 * MPI SGE union for IO SGL's - for MPI v2.0 products only
989 ****************************************************************************/
990 
991 typedef struct _MPI2_MPI_SGE_IO_UNION {
992 	union {
993 		MPI2_SGE_SIMPLE_UNION Simple;
994 		MPI2_SGE_CHAIN_UNION Chain;
995 	} u;
996 } MPI2_MPI_SGE_IO_UNION, *PTR_MPI2_MPI_SGE_IO_UNION,
997 	Mpi2MpiSGEIOUnion_t, *pMpi2MpiSGEIOUnion_t;
998 
999 /****************************************************************************
1000 * MPI SGE union for SGL's with Simple and Transaction elements - for MPI v2.0 products only
1001 ****************************************************************************/
1002 
1003 typedef struct _MPI2_SGE_TRANS_SIMPLE_UNION {
1004 	union {
1005 		MPI2_SGE_SIMPLE_UNION Simple;
1006 		MPI2_SGE_TRANSACTION_UNION Transaction;
1007 	} u;
1008 } MPI2_SGE_TRANS_SIMPLE_UNION,
1009 	*PTR_MPI2_SGE_TRANS_SIMPLE_UNION,
1010 	Mpi2SGETransSimpleUnion_t,
1011 	*pMpi2SGETransSimpleUnion_t;
1012 
1013 /****************************************************************************
1014 * All MPI SGE types union
1015 ****************************************************************************/
1016 
1017 typedef struct _MPI2_MPI_SGE_UNION {
1018 	union {
1019 		MPI2_SGE_SIMPLE_UNION Simple;
1020 		MPI2_SGE_CHAIN_UNION Chain;
1021 		MPI2_SGE_TRANSACTION_UNION Transaction;
1022 	} u;
1023 } MPI2_MPI_SGE_UNION, *PTR_MPI2_MPI_SGE_UNION,
1024 	Mpi2MpiSgeUnion_t, *pMpi2MpiSgeUnion_t;
1025 
1026 /****************************************************************************
1027 * MPI SGE field definition and masks
1028 ****************************************************************************/
1029 
1030 /*Flags field bit definitions */
1031 
1032 #define MPI2_SGE_FLAGS_LAST_ELEMENT             (0x80)
1033 #define MPI2_SGE_FLAGS_END_OF_BUFFER            (0x40)
1034 #define MPI2_SGE_FLAGS_ELEMENT_TYPE_MASK        (0x30)
1035 #define MPI2_SGE_FLAGS_LOCAL_ADDRESS            (0x08)
1036 #define MPI2_SGE_FLAGS_DIRECTION                (0x04)
1037 #define MPI2_SGE_FLAGS_ADDRESS_SIZE             (0x02)
1038 #define MPI2_SGE_FLAGS_END_OF_LIST              (0x01)
1039 
1040 #define MPI2_SGE_FLAGS_SHIFT                    (24)
1041 
1042 #define MPI2_SGE_LENGTH_MASK                    (0x00FFFFFF)
1043 #define MPI2_SGE_CHAIN_LENGTH_MASK              (0x0000FFFF)
1044 
1045 /*Element Type */
1046 
1047 #define MPI2_SGE_FLAGS_TRANSACTION_ELEMENT      (0x00)
1048 #define MPI2_SGE_FLAGS_SIMPLE_ELEMENT           (0x10)
1049 #define MPI2_SGE_FLAGS_CHAIN_ELEMENT            (0x30)
1050 #define MPI2_SGE_FLAGS_ELEMENT_MASK             (0x30)
1051 
1052 /*Address location */
1053 
1054 #define MPI2_SGE_FLAGS_SYSTEM_ADDRESS           (0x00)
1055 
1056 /*Direction */
1057 
1058 #define MPI2_SGE_FLAGS_IOC_TO_HOST              (0x00)
1059 #define MPI2_SGE_FLAGS_HOST_TO_IOC              (0x04)
1060 
1061 #define MPI2_SGE_FLAGS_DEST (MPI2_SGE_FLAGS_IOC_TO_HOST)
1062 #define MPI2_SGE_FLAGS_SOURCE (MPI2_SGE_FLAGS_HOST_TO_IOC)
1063 
1064 /*Address Size */
1065 
1066 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
1067 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
1068 
1069 /*Context Size */
1070 
1071 #define MPI2_SGE_FLAGS_32_BIT_CONTEXT           (0x00)
1072 #define MPI2_SGE_FLAGS_64_BIT_CONTEXT           (0x02)
1073 #define MPI2_SGE_FLAGS_96_BIT_CONTEXT           (0x04)
1074 #define MPI2_SGE_FLAGS_128_BIT_CONTEXT          (0x06)
1075 
1076 #define MPI2_SGE_CHAIN_OFFSET_MASK              (0x00FF0000)
1077 #define MPI2_SGE_CHAIN_OFFSET_SHIFT             (16)
1078 
1079 /****************************************************************************
1080 * MPI SGE operation Macros
1081 ****************************************************************************/
1082 
1083 /*SIMPLE FlagsLength manipulations... */
1084 #define MPI2_SGE_SET_FLAGS(f) ((U32)(f) << MPI2_SGE_FLAGS_SHIFT)
1085 #define MPI2_SGE_GET_FLAGS(f) (((f) & ~MPI2_SGE_LENGTH_MASK) >> \
1086 					MPI2_SGE_FLAGS_SHIFT)
1087 #define MPI2_SGE_LENGTH(f) ((f) & MPI2_SGE_LENGTH_MASK)
1088 #define MPI2_SGE_CHAIN_LENGTH(f) ((f) & MPI2_SGE_CHAIN_LENGTH_MASK)
1089 
1090 #define MPI2_SGE_SET_FLAGS_LENGTH(f, l) (MPI2_SGE_SET_FLAGS(f) | \
1091 					MPI2_SGE_LENGTH(l))
1092 
1093 #define MPI2_pSGE_GET_FLAGS(psg) MPI2_SGE_GET_FLAGS((psg)->FlagsLength)
1094 #define MPI2_pSGE_GET_LENGTH(psg) MPI2_SGE_LENGTH((psg)->FlagsLength)
1095 #define MPI2_pSGE_SET_FLAGS_LENGTH(psg, f, l) ((psg)->FlagsLength = \
1096 					MPI2_SGE_SET_FLAGS_LENGTH(f, l))
1097 
1098 /*CAUTION - The following are READ-MODIFY-WRITE! */
1099 #define MPI2_pSGE_SET_FLAGS(psg, f) ((psg)->FlagsLength |= \
1100 					MPI2_SGE_SET_FLAGS(f))
1101 #define MPI2_pSGE_SET_LENGTH(psg, l) ((psg)->FlagsLength |= \
1102 					MPI2_SGE_LENGTH(l))
1103 
1104 #define MPI2_GET_CHAIN_OFFSET(x) ((x & MPI2_SGE_CHAIN_OFFSET_MASK) >> \
1105 					MPI2_SGE_CHAIN_OFFSET_SHIFT)
1106 
1107 /*****************************************************************************
1108 *
1109 *       Fusion-MPT IEEE Scatter Gather Elements
1110 *
1111 *****************************************************************************/
1112 
1113 /****************************************************************************
1114 * IEEE Simple Element structures
1115 ****************************************************************************/
1116 
1117 /*MPI2_IEEE_SGE_SIMPLE32 is for MPI v2.0 products only */
1118 typedef struct _MPI2_IEEE_SGE_SIMPLE32 {
1119 	U32 Address;
1120 	U32 FlagsLength;
1121 } MPI2_IEEE_SGE_SIMPLE32, *PTR_MPI2_IEEE_SGE_SIMPLE32,
1122 	Mpi2IeeeSgeSimple32_t, *pMpi2IeeeSgeSimple32_t;
1123 
1124 typedef struct _MPI2_IEEE_SGE_SIMPLE64 {
1125 	U64 Address;
1126 	U32 Length;
1127 	U16 Reserved1;
1128 	U8 Reserved2;
1129 	U8 Flags;
1130 } MPI2_IEEE_SGE_SIMPLE64, *PTR_MPI2_IEEE_SGE_SIMPLE64,
1131 	Mpi2IeeeSgeSimple64_t, *pMpi2IeeeSgeSimple64_t;
1132 
1133 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION {
1134 	MPI2_IEEE_SGE_SIMPLE32 Simple32;
1135 	MPI2_IEEE_SGE_SIMPLE64 Simple64;
1136 } MPI2_IEEE_SGE_SIMPLE_UNION,
1137 	*PTR_MPI2_IEEE_SGE_SIMPLE_UNION,
1138 	Mpi2IeeeSgeSimpleUnion_t,
1139 	*pMpi2IeeeSgeSimpleUnion_t;
1140 
1141 /****************************************************************************
1142 * IEEE Chain Element structures
1143 ****************************************************************************/
1144 
1145 /*MPI2_IEEE_SGE_CHAIN32 is for MPI v2.0 products only */
1146 typedef MPI2_IEEE_SGE_SIMPLE32 MPI2_IEEE_SGE_CHAIN32;
1147 
1148 /*MPI2_IEEE_SGE_CHAIN64 is for MPI v2.0 products only */
1149 typedef MPI2_IEEE_SGE_SIMPLE64 MPI2_IEEE_SGE_CHAIN64;
1150 
1151 typedef union _MPI2_IEEE_SGE_CHAIN_UNION {
1152 	MPI2_IEEE_SGE_CHAIN32 Chain32;
1153 	MPI2_IEEE_SGE_CHAIN64 Chain64;
1154 } MPI2_IEEE_SGE_CHAIN_UNION,
1155 	*PTR_MPI2_IEEE_SGE_CHAIN_UNION,
1156 	Mpi2IeeeSgeChainUnion_t,
1157 	*pMpi2IeeeSgeChainUnion_t;
1158 
1159 /*MPI25_IEEE_SGE_CHAIN64 is for MPI v2.5 and later */
1160 typedef struct _MPI25_IEEE_SGE_CHAIN64 {
1161 	U64 Address;
1162 	U32 Length;
1163 	U16 Reserved1;
1164 	U8 NextChainOffset;
1165 	U8 Flags;
1166 } MPI25_IEEE_SGE_CHAIN64,
1167 	*PTR_MPI25_IEEE_SGE_CHAIN64,
1168 	Mpi25IeeeSgeChain64_t,
1169 	*pMpi25IeeeSgeChain64_t;
1170 
1171 /****************************************************************************
1172 * All IEEE SGE types union
1173 ****************************************************************************/
1174 
1175 /*MPI2_IEEE_SGE_UNION is for MPI v2.0 products only */
1176 typedef struct _MPI2_IEEE_SGE_UNION {
1177 	union {
1178 		MPI2_IEEE_SGE_SIMPLE_UNION Simple;
1179 		MPI2_IEEE_SGE_CHAIN_UNION Chain;
1180 	} u;
1181 } MPI2_IEEE_SGE_UNION, *PTR_MPI2_IEEE_SGE_UNION,
1182 	Mpi2IeeeSgeUnion_t, *pMpi2IeeeSgeUnion_t;
1183 
1184 /****************************************************************************
1185 * IEEE SGE union for IO SGL's
1186 ****************************************************************************/
1187 
1188 typedef union _MPI25_SGE_IO_UNION {
1189 	MPI2_IEEE_SGE_SIMPLE64 IeeeSimple;
1190 	MPI25_IEEE_SGE_CHAIN64 IeeeChain;
1191 } MPI25_SGE_IO_UNION, *PTR_MPI25_SGE_IO_UNION,
1192 	Mpi25SGEIOUnion_t, *pMpi25SGEIOUnion_t;
1193 
1194 /****************************************************************************
1195 * IEEE SGE field definitions and masks
1196 ****************************************************************************/
1197 
1198 /*Flags field bit definitions */
1199 
1200 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1201 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
1202 
1203 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1204 
1205 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1206 
1207 /*Element Type */
1208 
1209 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1210 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1211 
1212 /*Next Segment Format */
1213 
1214 #define MPI26_IEEE_SGE_FLAGS_NSF_MASK           (0x1C)
1215 #define MPI26_IEEE_SGE_FLAGS_NSF_MPI_IEEE       (0x00)
1216 #define MPI26_IEEE_SGE_FLAGS_NSF_NVME_PRP       (0x08)
1217 #define MPI26_IEEE_SGE_FLAGS_NSF_NVME_SGL       (0x10)
1218 
1219 /*Data Location Address Space */
1220 
1221 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1222 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00)
1223 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01)
1224 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1225 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03)
1226 #define MPI2_IEEE_SGE_FLAGS_SYSTEMPLBPCI_ADDR   (0x03)
1227 #define MPI2_IEEE_SGE_FLAGS_SYSTEMPLBCPI_ADDR \
1228 	 (MPI2_IEEE_SGE_FLAGS_SYSTEMPLBPCI_ADDR)
1229 #define MPI26_IEEE_SGE_FLAGS_IOCCTL_ADDR        (0x02)
1230 
1231 /****************************************************************************
1232 * IEEE SGE operation Macros
1233 ****************************************************************************/
1234 
1235 /*SIMPLE FlagsLength manipulations... */
1236 #define MPI2_IEEE32_SGE_SET_FLAGS(f) ((U32)(f) << MPI2_IEEE32_SGE_FLAGS_SHIFT)
1237 #define MPI2_IEEE32_SGE_GET_FLAGS(f) (((f) & ~MPI2_IEEE32_SGE_LENGTH_MASK) \
1238 				 >> MPI2_IEEE32_SGE_FLAGS_SHIFT)
1239 #define MPI2_IEEE32_SGE_LENGTH(f)    ((f) & MPI2_IEEE32_SGE_LENGTH_MASK)
1240 
1241 #define MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f, l) (MPI2_IEEE32_SGE_SET_FLAGS(f) |\
1242 						 MPI2_IEEE32_SGE_LENGTH(l))
1243 
1244 #define MPI2_IEEE32_pSGE_GET_FLAGS(psg) \
1245 			MPI2_IEEE32_SGE_GET_FLAGS((psg)->FlagsLength)
1246 #define MPI2_IEEE32_pSGE_GET_LENGTH(psg) \
1247 			MPI2_IEEE32_SGE_LENGTH((psg)->FlagsLength)
1248 #define MPI2_IEEE32_pSGE_SET_FLAGS_LENGTH(psg, f, l) ((psg)->FlagsLength = \
1249 					MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f, l))
1250 
1251 /*CAUTION - The following are READ-MODIFY-WRITE! */
1252 #define MPI2_IEEE32_pSGE_SET_FLAGS(psg, f) ((psg)->FlagsLength |= \
1253 					MPI2_IEEE32_SGE_SET_FLAGS(f))
1254 #define MPI2_IEEE32_pSGE_SET_LENGTH(psg, l) ((psg)->FlagsLength |= \
1255 					MPI2_IEEE32_SGE_LENGTH(l))
1256 
1257 /*****************************************************************************
1258 *
1259 *       Fusion-MPT MPI/IEEE Scatter Gather Unions
1260 *
1261 *****************************************************************************/
1262 
1263 typedef union _MPI2_SIMPLE_SGE_UNION {
1264 	MPI2_SGE_SIMPLE_UNION MpiSimple;
1265 	MPI2_IEEE_SGE_SIMPLE_UNION IeeeSimple;
1266 } MPI2_SIMPLE_SGE_UNION, *PTR_MPI2_SIMPLE_SGE_UNION,
1267 	Mpi2SimpleSgeUntion_t, *pMpi2SimpleSgeUntion_t;
1268 
1269 typedef union _MPI2_SGE_IO_UNION {
1270 	MPI2_SGE_SIMPLE_UNION MpiSimple;
1271 	MPI2_SGE_CHAIN_UNION MpiChain;
1272 	MPI2_IEEE_SGE_SIMPLE_UNION IeeeSimple;
1273 	MPI2_IEEE_SGE_CHAIN_UNION IeeeChain;
1274 } MPI2_SGE_IO_UNION, *PTR_MPI2_SGE_IO_UNION,
1275 	Mpi2SGEIOUnion_t, *pMpi2SGEIOUnion_t;
1276 
1277 /****************************************************************************
1278 *
1279 * Values for SGLFlags field, used in many request messages with an SGL
1280 *
1281 ****************************************************************************/
1282 
1283 /*values for MPI SGL Data Location Address Space subfield */
1284 #define MPI2_SGLFLAGS_ADDRESS_SPACE_MASK            (0x0C)
1285 #define MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE          (0x00)
1286 #define MPI2_SGLFLAGS_IOCDDR_ADDRESS_SPACE          (0x04)
1287 #define MPI2_SGLFLAGS_IOCPLB_ADDRESS_SPACE          (0x08)
1288 #define MPI26_SGLFLAGS_IOCPLB_ADDRESS_SPACE         (0x08)
1289 #define MPI2_SGLFLAGS_IOCPLBNTA_ADDRESS_SPACE       (0x0C)
1290 /*values for SGL Type subfield */
1291 #define MPI2_SGLFLAGS_SGL_TYPE_MASK                 (0x03)
1292 #define MPI2_SGLFLAGS_SGL_TYPE_MPI                  (0x00)
1293 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE32               (0x01)
1294 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE64               (0x02)
1295 
1296 #endif
1297