xref: /linux/drivers/scsi/mpt3sas/mpi/mpi2.h (revision 148f9bb87745ed45f7a11b2cbd3bc0f017d5d257)
1 /*
2  * Copyright (c) 2000-2013 LSI Corporation.
3  *
4  *
5  *          Name:  mpi2.h
6  *         Title:  MPI Message independent structures and definitions
7  *                 including System Interface Register Set and
8  *                 scatter/gather formats.
9  * Creation Date:  June 21, 2006
10  *
11  * mpi2.h Version:  02.00.29
12  *
13  * NOTE: Names (typedefs, defines, etc.) beginning with an MPI25 or Mpi25
14  *       prefix are for use only on MPI v2.5 products, and must not be used
15  *       with MPI v2.0 products. Unless otherwise noted, names beginning with
16  *       MPI2 or Mpi2 are for use with both MPI v2.0 and MPI v2.5 products.
17  *
18  * Version History
19  * ---------------
20  *
21  * Date      Version   Description
22  * --------  --------  ------------------------------------------------------
23  * 04-30-07  02.00.00  Corresponds to Fusion-MPT MPI Specification Rev A.
24  * 06-04-07  02.00.01  Bumped MPI2_HEADER_VERSION_UNIT.
25  * 06-26-07  02.00.02  Bumped MPI2_HEADER_VERSION_UNIT.
26  * 08-31-07  02.00.03  Bumped MPI2_HEADER_VERSION_UNIT.
27  *                     Moved ReplyPostHostIndex register to offset 0x6C of the
28  *                     MPI2_SYSTEM_INTERFACE_REGS and modified the define for
29  *                     MPI2_REPLY_POST_HOST_INDEX_OFFSET.
30  *                     Added union of request descriptors.
31  *                     Added union of reply descriptors.
32  * 10-31-07  02.00.04  Bumped MPI2_HEADER_VERSION_UNIT.
33  *                     Added define for MPI2_VERSION_02_00.
34  *                     Fixed the size of the FunctionDependent5 field in the
35  *                     MPI2_DEFAULT_REPLY structure.
36  * 12-18-07  02.00.05  Bumped MPI2_HEADER_VERSION_UNIT.
37  *                     Removed the MPI-defined Fault Codes and extended the
38  *                     product specific codes up to 0xEFFF.
39  *                     Added a sixth key value for the WriteSequence register
40  *                     and changed the flush value to 0x0.
41  *                     Added message function codes for Diagnostic Buffer Post
42  *                     and Diagnsotic Release.
43  *                     New IOCStatus define: MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED
44  *                     Moved MPI2_VERSION_UNION from mpi2_ioc.h.
45  * 02-29-08  02.00.06  Bumped MPI2_HEADER_VERSION_UNIT.
46  * 03-03-08  02.00.07  Bumped MPI2_HEADER_VERSION_UNIT.
47  * 05-21-08  02.00.08  Bumped MPI2_HEADER_VERSION_UNIT.
48  *                     Added #defines for marking a reply descriptor as unused.
49  * 06-27-08  02.00.09  Bumped MPI2_HEADER_VERSION_UNIT.
50  * 10-02-08  02.00.10  Bumped MPI2_HEADER_VERSION_UNIT.
51  *                     Moved LUN field defines from mpi2_init.h.
52  * 01-19-09  02.00.11  Bumped MPI2_HEADER_VERSION_UNIT.
53  * 05-06-09  02.00.12  Bumped MPI2_HEADER_VERSION_UNIT.
54  *                     In all request and reply descriptors, replaced VF_ID
55  *                     field with MSIxIndex field.
56  *                     Removed DevHandle field from
57  *                     MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR and made those
58  *                     bytes reserved.
59  *                     Added RAID Accelerator functionality.
60  * 07-30-09  02.00.13  Bumped MPI2_HEADER_VERSION_UNIT.
61  * 10-28-09  02.00.14  Bumped MPI2_HEADER_VERSION_UNIT.
62  *                     Added MSI-x index mask and shift for Reply Post Host
63  *                     Index register.
64  *                     Added function code for Host Based Discovery Action.
65  * 02-10-10  02.00.15  Bumped MPI2_HEADER_VERSION_UNIT.
66  *                     Added define for MPI2_FUNCTION_PWR_MGMT_CONTROL.
67  *                     Added defines for product-specific range of message
68  *                     function codes, 0xF0 to 0xFF.
69  * 05-12-10  02.00.16  Bumped MPI2_HEADER_VERSION_UNIT.
70  *                     Added alternative defines for the SGE Direction bit.
71  * 08-11-10  02.00.17  Bumped MPI2_HEADER_VERSION_UNIT.
72  * 11-10-10  02.00.18  Bumped MPI2_HEADER_VERSION_UNIT.
73  *                     Added MPI2_IEEE_SGE_FLAGS_SYSTEMPLBCPI_ADDR define.
74  * 02-23-11  02.00.19  Bumped MPI2_HEADER_VERSION_UNIT.
75  *                     Added MPI2_FUNCTION_SEND_HOST_MESSAGE.
76  * 03-09-11  02.00.20  Bumped MPI2_HEADER_VERSION_UNIT.
77  * 05-25-11  02.00.21  Bumped MPI2_HEADER_VERSION_UNIT.
78  * 08-24-11  02.00.22  Bumped MPI2_HEADER_VERSION_UNIT.
79  * 11-18-11  02.00.23  Bumped MPI2_HEADER_VERSION_UNIT.
80  *                     Incorporating additions for MPI v2.5.
81  * 02-06-12  02.00.24  Bumped MPI2_HEADER_VERSION_UNIT.
82  * 03-29-12  02.00.25  Bumped MPI2_HEADER_VERSION_UNIT.
83  *                     Added Hard Reset delay timings.
84  * 07-10-12  02.00.26  Bumped MPI2_HEADER_VERSION_UNIT.
85  * 07-26-12  02.00.27  Bumped MPI2_HEADER_VERSION_UNIT.
86  * 11-27-12  02.00.28  Bumped MPI2_HEADER_VERSION_UNIT.
87  * 12-20-12  02.00.29  Bumped MPI2_HEADER_VERSION_UNIT.
88  *                     Added MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET.
89  * --------------------------------------------------------------------------
90  */
91 
92 #ifndef MPI2_H
93 #define MPI2_H
94 
95 /*****************************************************************************
96 *
97 *       MPI Version Definitions
98 *
99 *****************************************************************************/
100 
101 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
102 #define MPI2_VERSION_MAJOR_SHIFT            (8)
103 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
104 #define MPI2_VERSION_MINOR_SHIFT            (0)
105 
106 /*major version for all MPI v2.x */
107 #define MPI2_VERSION_MAJOR                  (0x02)
108 
109 /*minor version for MPI v2.0 compatible products */
110 #define MPI2_VERSION_MINOR                  (0x00)
111 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
112 					MPI2_VERSION_MINOR)
113 #define MPI2_VERSION_02_00                  (0x0200)
114 
115 /*minor version for MPI v2.5 compatible products */
116 #define MPI25_VERSION_MINOR                 (0x05)
117 #define MPI25_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
118 					MPI25_VERSION_MINOR)
119 #define MPI2_VERSION_02_05                  (0x0205)
120 
121 /*Unit and Dev versioning for this MPI header set */
122 #define MPI2_HEADER_VERSION_UNIT            (0x1D)
123 #define MPI2_HEADER_VERSION_DEV             (0x00)
124 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
125 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
126 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
127 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
128 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) | \
129 					MPI2_HEADER_VERSION_DEV)
130 
131 /*****************************************************************************
132 *
133 *       IOC State Definitions
134 *
135 *****************************************************************************/
136 
137 #define MPI2_IOC_STATE_RESET               (0x00000000)
138 #define MPI2_IOC_STATE_READY               (0x10000000)
139 #define MPI2_IOC_STATE_OPERATIONAL         (0x20000000)
140 #define MPI2_IOC_STATE_FAULT               (0x40000000)
141 
142 #define MPI2_IOC_STATE_MASK                (0xF0000000)
143 #define MPI2_IOC_STATE_SHIFT               (28)
144 
145 /*Fault state range for prodcut specific codes */
146 #define MPI2_FAULT_PRODUCT_SPECIFIC_MIN                 (0x0000)
147 #define MPI2_FAULT_PRODUCT_SPECIFIC_MAX                 (0xEFFF)
148 
149 /*****************************************************************************
150 *
151 *       System Interface Register Definitions
152 *
153 *****************************************************************************/
154 
155 typedef volatile struct _MPI2_SYSTEM_INTERFACE_REGS {
156 	U32 Doorbell;		/*0x00 */
157 	U32 WriteSequence;	/*0x04 */
158 	U32 HostDiagnostic;	/*0x08 */
159 	U32 Reserved1;		/*0x0C */
160 	U32 DiagRWData;		/*0x10 */
161 	U32 DiagRWAddressLow;	/*0x14 */
162 	U32 DiagRWAddressHigh;	/*0x18 */
163 	U32 Reserved2[5];	/*0x1C */
164 	U32 HostInterruptStatus;	/*0x30 */
165 	U32 HostInterruptMask;	/*0x34 */
166 	U32 DCRData;		/*0x38 */
167 	U32 DCRAddress;		/*0x3C */
168 	U32 Reserved3[2];	/*0x40 */
169 	U32 ReplyFreeHostIndex;	/*0x48 */
170 	U32 Reserved4[8];	/*0x4C */
171 	U32 ReplyPostHostIndex;	/*0x6C */
172 	U32 Reserved5;		/*0x70 */
173 	U32 HCBSize;		/*0x74 */
174 	U32 HCBAddressLow;	/*0x78 */
175 	U32 HCBAddressHigh;	/*0x7C */
176 	U32 Reserved6[16];	/*0x80 */
177 	U32 RequestDescriptorPostLow;	/*0xC0 */
178 	U32 RequestDescriptorPostHigh;	/*0xC4 */
179 	U32 Reserved7[14];	/*0xC8 */
180 } MPI2_SYSTEM_INTERFACE_REGS,
181 	*PTR_MPI2_SYSTEM_INTERFACE_REGS,
182 	Mpi2SystemInterfaceRegs_t,
183 	*pMpi2SystemInterfaceRegs_t;
184 
185 /*
186  *Defines for working with the Doorbell register.
187  */
188 #define MPI2_DOORBELL_OFFSET                    (0x00000000)
189 
190 /*IOC --> System values */
191 #define MPI2_DOORBELL_USED                      (0x08000000)
192 #define MPI2_DOORBELL_WHO_INIT_MASK             (0x07000000)
193 #define MPI2_DOORBELL_WHO_INIT_SHIFT            (24)
194 #define MPI2_DOORBELL_FAULT_CODE_MASK           (0x0000FFFF)
195 #define MPI2_DOORBELL_DATA_MASK                 (0x0000FFFF)
196 
197 /*System --> IOC values */
198 #define MPI2_DOORBELL_FUNCTION_MASK             (0xFF000000)
199 #define MPI2_DOORBELL_FUNCTION_SHIFT            (24)
200 #define MPI2_DOORBELL_ADD_DWORDS_MASK           (0x00FF0000)
201 #define MPI2_DOORBELL_ADD_DWORDS_SHIFT          (16)
202 
203 /*
204  *Defines for the WriteSequence register
205  */
206 #define MPI2_WRITE_SEQUENCE_OFFSET              (0x00000004)
207 #define MPI2_WRSEQ_KEY_VALUE_MASK               (0x0000000F)
208 #define MPI2_WRSEQ_FLUSH_KEY_VALUE              (0x0)
209 #define MPI2_WRSEQ_1ST_KEY_VALUE                (0xF)
210 #define MPI2_WRSEQ_2ND_KEY_VALUE                (0x4)
211 #define MPI2_WRSEQ_3RD_KEY_VALUE                (0xB)
212 #define MPI2_WRSEQ_4TH_KEY_VALUE                (0x2)
213 #define MPI2_WRSEQ_5TH_KEY_VALUE                (0x7)
214 #define MPI2_WRSEQ_6TH_KEY_VALUE                (0xD)
215 
216 /*
217  *Defines for the HostDiagnostic register
218  */
219 #define MPI2_HOST_DIAGNOSTIC_OFFSET             (0x00000008)
220 
221 #define MPI2_DIAG_BOOT_DEVICE_SELECT_MASK       (0x00001800)
222 #define MPI2_DIAG_BOOT_DEVICE_SELECT_DEFAULT    (0x00000000)
223 #define MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW       (0x00000800)
224 
225 #define MPI2_DIAG_CLEAR_FLASH_BAD_SIG           (0x00000400)
226 #define MPI2_DIAG_FORCE_HCB_ON_RESET            (0x00000200)
227 #define MPI2_DIAG_HCB_MODE                      (0x00000100)
228 #define MPI2_DIAG_DIAG_WRITE_ENABLE             (0x00000080)
229 #define MPI2_DIAG_FLASH_BAD_SIG                 (0x00000040)
230 #define MPI2_DIAG_RESET_HISTORY                 (0x00000020)
231 #define MPI2_DIAG_DIAG_RW_ENABLE                (0x00000010)
232 #define MPI2_DIAG_RESET_ADAPTER                 (0x00000004)
233 #define MPI2_DIAG_HOLD_IOC_RESET                (0x00000002)
234 
235 /*
236  *Offsets for DiagRWData and address
237  */
238 #define MPI2_DIAG_RW_DATA_OFFSET                (0x00000010)
239 #define MPI2_DIAG_RW_ADDRESS_LOW_OFFSET         (0x00000014)
240 #define MPI2_DIAG_RW_ADDRESS_HIGH_OFFSET        (0x00000018)
241 
242 /*
243  *Defines for the HostInterruptStatus register
244  */
245 #define MPI2_HOST_INTERRUPT_STATUS_OFFSET       (0x00000030)
246 #define MPI2_HIS_SYS2IOC_DB_STATUS              (0x80000000)
247 #define MPI2_HIS_IOP_DOORBELL_STATUS MPI2_HIS_SYS2IOC_DB_STATUS
248 #define MPI2_HIS_RESET_IRQ_STATUS               (0x40000000)
249 #define MPI2_HIS_REPLY_DESCRIPTOR_INTERRUPT     (0x00000008)
250 #define MPI2_HIS_IOC2SYS_DB_STATUS              (0x00000001)
251 #define MPI2_HIS_DOORBELL_INTERRUPT MPI2_HIS_IOC2SYS_DB_STATUS
252 
253 /*
254  *Defines for the HostInterruptMask register
255  */
256 #define MPI2_HOST_INTERRUPT_MASK_OFFSET         (0x00000034)
257 #define MPI2_HIM_RESET_IRQ_MASK                 (0x40000000)
258 #define MPI2_HIM_REPLY_INT_MASK                 (0x00000008)
259 #define MPI2_HIM_RIM                            MPI2_HIM_REPLY_INT_MASK
260 #define MPI2_HIM_IOC2SYS_DB_MASK                (0x00000001)
261 #define MPI2_HIM_DIM                            MPI2_HIM_IOC2SYS_DB_MASK
262 
263 /*
264  *Offsets for DCRData and address
265  */
266 #define MPI2_DCR_DATA_OFFSET                    (0x00000038)
267 #define MPI2_DCR_ADDRESS_OFFSET                 (0x0000003C)
268 
269 /*
270  *Offset for the Reply Free Queue
271  */
272 #define MPI2_REPLY_FREE_HOST_INDEX_OFFSET       (0x00000048)
273 
274 /*
275  *Defines for the Reply Descriptor Post Queue
276  */
277 #define MPI2_REPLY_POST_HOST_INDEX_OFFSET       (0x0000006C)
278 #define MPI2_REPLY_POST_HOST_INDEX_MASK         (0x00FFFFFF)
279 #define MPI2_RPHI_MSIX_INDEX_MASK               (0xFF000000)
280 #define MPI2_RPHI_MSIX_INDEX_SHIFT              (24)
281 #define MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET  (0x0000030C) /*MPI v2.5 only*/
282 
283 
284 /*
285  *Defines for the HCBSize and address
286  */
287 #define MPI2_HCB_SIZE_OFFSET                    (0x00000074)
288 #define MPI2_HCB_SIZE_SIZE_MASK                 (0xFFFFF000)
289 #define MPI2_HCB_SIZE_HCB_ENABLE                (0x00000001)
290 
291 #define MPI2_HCB_ADDRESS_LOW_OFFSET             (0x00000078)
292 #define MPI2_HCB_ADDRESS_HIGH_OFFSET            (0x0000007C)
293 
294 /*
295  *Offsets for the Request Queue
296  */
297 #define MPI2_REQUEST_DESCRIPTOR_POST_LOW_OFFSET     (0x000000C0)
298 #define MPI2_REQUEST_DESCRIPTOR_POST_HIGH_OFFSET    (0x000000C4)
299 
300 /*Hard Reset delay timings */
301 #define MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC     (50000)
302 #define MPI2_HARD_RESET_PCIE_RESET_READ_WINDOW_MICRO_SEC    (255000)
303 #define MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC    (256000)
304 
305 /*****************************************************************************
306 *
307 *       Message Descriptors
308 *
309 *****************************************************************************/
310 
311 /*Request Descriptors */
312 
313 /*Default Request Descriptor */
314 typedef struct _MPI2_DEFAULT_REQUEST_DESCRIPTOR {
315 	U8 RequestFlags;	/*0x00 */
316 	U8 MSIxIndex;		/*0x01 */
317 	U16 SMID;		/*0x02 */
318 	U16 LMID;		/*0x04 */
319 	U16 DescriptorTypeDependent;	/*0x06 */
320 } MPI2_DEFAULT_REQUEST_DESCRIPTOR,
321 	*PTR_MPI2_DEFAULT_REQUEST_DESCRIPTOR,
322 	Mpi2DefaultRequestDescriptor_t,
323 	*pMpi2DefaultRequestDescriptor_t;
324 
325 /*defines for the RequestFlags field */
326 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x0E)
327 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
328 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
329 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
330 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
331 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
332 #define MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO      (0x0C)
333 
334 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
335 
336 /*High Priority Request Descriptor */
337 typedef struct _MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR {
338 	U8 RequestFlags;	/*0x00 */
339 	U8 MSIxIndex;		/*0x01 */
340 	U16 SMID;		/*0x02 */
341 	U16 LMID;		/*0x04 */
342 	U16 Reserved1;		/*0x06 */
343 } MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
344 	*PTR_MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
345 	Mpi2HighPriorityRequestDescriptor_t,
346 	*pMpi2HighPriorityRequestDescriptor_t;
347 
348 /*SCSI IO Request Descriptor */
349 typedef struct _MPI2_SCSI_IO_REQUEST_DESCRIPTOR {
350 	U8 RequestFlags;	/*0x00 */
351 	U8 MSIxIndex;		/*0x01 */
352 	U16 SMID;		/*0x02 */
353 	U16 LMID;		/*0x04 */
354 	U16 DevHandle;		/*0x06 */
355 } MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
356 	*PTR_MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
357 	Mpi2SCSIIORequestDescriptor_t,
358 	*pMpi2SCSIIORequestDescriptor_t;
359 
360 /*SCSI Target Request Descriptor */
361 typedef struct _MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR {
362 	U8 RequestFlags;	/*0x00 */
363 	U8 MSIxIndex;		/*0x01 */
364 	U16 SMID;		/*0x02 */
365 	U16 LMID;		/*0x04 */
366 	U16 IoIndex;		/*0x06 */
367 } MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
368 	*PTR_MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
369 	Mpi2SCSITargetRequestDescriptor_t,
370 	*pMpi2SCSITargetRequestDescriptor_t;
371 
372 /*RAID Accelerator Request Descriptor */
373 typedef struct _MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR {
374 	U8 RequestFlags;	/*0x00 */
375 	U8 MSIxIndex;		/*0x01 */
376 	U16 SMID;		/*0x02 */
377 	U16 LMID;		/*0x04 */
378 	U16 Reserved;		/*0x06 */
379 } MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
380 	*PTR_MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
381 	Mpi2RAIDAcceleratorRequestDescriptor_t,
382 	*pMpi2RAIDAcceleratorRequestDescriptor_t;
383 
384 /*Fast Path SCSI IO Request Descriptor */
385 typedef MPI2_SCSI_IO_REQUEST_DESCRIPTOR
386 	MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR,
387 	*PTR_MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR,
388 	Mpi25FastPathSCSIIORequestDescriptor_t,
389 	*pMpi25FastPathSCSIIORequestDescriptor_t;
390 
391 /*union of Request Descriptors */
392 typedef union _MPI2_REQUEST_DESCRIPTOR_UNION {
393 	MPI2_DEFAULT_REQUEST_DESCRIPTOR Default;
394 	MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR HighPriority;
395 	MPI2_SCSI_IO_REQUEST_DESCRIPTOR SCSIIO;
396 	MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR SCSITarget;
397 	MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR RAIDAccelerator;
398 	MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR FastPathSCSIIO;
399 	U64 Words;
400 } MPI2_REQUEST_DESCRIPTOR_UNION,
401 	*PTR_MPI2_REQUEST_DESCRIPTOR_UNION,
402 	Mpi2RequestDescriptorUnion_t,
403 	*pMpi2RequestDescriptorUnion_t;
404 
405 /*Reply Descriptors */
406 
407 /*Default Reply Descriptor */
408 typedef struct _MPI2_DEFAULT_REPLY_DESCRIPTOR {
409 	U8 ReplyFlags;		/*0x00 */
410 	U8 MSIxIndex;		/*0x01 */
411 	U16 DescriptorTypeDependent1;	/*0x02 */
412 	U32 DescriptorTypeDependent2;	/*0x04 */
413 } MPI2_DEFAULT_REPLY_DESCRIPTOR,
414 	*PTR_MPI2_DEFAULT_REPLY_DESCRIPTOR,
415 	Mpi2DefaultReplyDescriptor_t,
416 	*pMpi2DefaultReplyDescriptor_t;
417 
418 /*defines for the ReplyFlags field */
419 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
420 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
421 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
422 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
423 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
424 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
425 #define MPI25_RPY_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO_SUCCESS  (0x06)
426 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
427 
428 /*values for marking a reply descriptor as unused */
429 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
430 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
431 
432 /*Address Reply Descriptor */
433 typedef struct _MPI2_ADDRESS_REPLY_DESCRIPTOR {
434 	U8 ReplyFlags;		/*0x00 */
435 	U8 MSIxIndex;		/*0x01 */
436 	U16 SMID;		/*0x02 */
437 	U32 ReplyFrameAddress;	/*0x04 */
438 } MPI2_ADDRESS_REPLY_DESCRIPTOR,
439 	*PTR_MPI2_ADDRESS_REPLY_DESCRIPTOR,
440 	Mpi2AddressReplyDescriptor_t,
441 	*pMpi2AddressReplyDescriptor_t;
442 
443 #define MPI2_ADDRESS_REPLY_SMID_INVALID                 (0x00)
444 
445 /*SCSI IO Success Reply Descriptor */
446 typedef struct _MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR {
447 	U8 ReplyFlags;		/*0x00 */
448 	U8 MSIxIndex;		/*0x01 */
449 	U16 SMID;		/*0x02 */
450 	U16 TaskTag;		/*0x04 */
451 	U16 Reserved1;		/*0x06 */
452 } MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
453 	*PTR_MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
454 	Mpi2SCSIIOSuccessReplyDescriptor_t,
455 	*pMpi2SCSIIOSuccessReplyDescriptor_t;
456 
457 /*TargetAssist Success Reply Descriptor */
458 typedef struct _MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR {
459 	U8 ReplyFlags;		/*0x00 */
460 	U8 MSIxIndex;		/*0x01 */
461 	U16 SMID;		/*0x02 */
462 	U8 SequenceNumber;	/*0x04 */
463 	U8 Reserved1;		/*0x05 */
464 	U16 IoIndex;		/*0x06 */
465 } MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
466 	*PTR_MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
467 	Mpi2TargetAssistSuccessReplyDescriptor_t,
468 	*pMpi2TargetAssistSuccessReplyDescriptor_t;
469 
470 /*Target Command Buffer Reply Descriptor */
471 typedef struct _MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR {
472 	U8 ReplyFlags;		/*0x00 */
473 	U8 MSIxIndex;		/*0x01 */
474 	U8 VP_ID;		/*0x02 */
475 	U8 Flags;		/*0x03 */
476 	U16 InitiatorDevHandle;	/*0x04 */
477 	U16 IoIndex;		/*0x06 */
478 } MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
479 	*PTR_MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
480 	Mpi2TargetCommandBufferReplyDescriptor_t,
481 	*pMpi2TargetCommandBufferReplyDescriptor_t;
482 
483 /*defines for Flags field */
484 #define MPI2_RPY_DESCRIPT_TCB_FLAGS_PHYNUM_MASK     (0x3F)
485 
486 /*RAID Accelerator Success Reply Descriptor */
487 typedef struct _MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR {
488 	U8 ReplyFlags;		/*0x00 */
489 	U8 MSIxIndex;		/*0x01 */
490 	U16 SMID;		/*0x02 */
491 	U32 Reserved;		/*0x04 */
492 } MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
493 	*PTR_MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
494 	Mpi2RAIDAcceleratorSuccessReplyDescriptor_t,
495 	*pMpi2RAIDAcceleratorSuccessReplyDescriptor_t;
496 
497 /*Fast Path SCSI IO Success Reply Descriptor */
498 typedef MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR
499 	MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
500 	*PTR_MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
501 	Mpi25FastPathSCSIIOSuccessReplyDescriptor_t,
502 	*pMpi25FastPathSCSIIOSuccessReplyDescriptor_t;
503 
504 /*union of Reply Descriptors */
505 typedef union _MPI2_REPLY_DESCRIPTORS_UNION {
506 	MPI2_DEFAULT_REPLY_DESCRIPTOR Default;
507 	MPI2_ADDRESS_REPLY_DESCRIPTOR AddressReply;
508 	MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR SCSIIOSuccess;
509 	MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR TargetAssistSuccess;
510 	MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR TargetCommandBuffer;
511 	MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR RAIDAcceleratorSuccess;
512 	MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR FastPathSCSIIOSuccess;
513 	U64 Words;
514 } MPI2_REPLY_DESCRIPTORS_UNION,
515 	*PTR_MPI2_REPLY_DESCRIPTORS_UNION,
516 	Mpi2ReplyDescriptorsUnion_t,
517 	*pMpi2ReplyDescriptorsUnion_t;
518 
519 /*****************************************************************************
520 *
521 *       Message Functions
522 *
523 *****************************************************************************/
524 
525 #define MPI2_FUNCTION_SCSI_IO_REQUEST		    (0x00)
526 #define MPI2_FUNCTION_SCSI_TASK_MGMT		    (0x01)
527 #define MPI2_FUNCTION_IOC_INIT                      (0x02)
528 #define MPI2_FUNCTION_IOC_FACTS                     (0x03)
529 #define MPI2_FUNCTION_CONFIG                        (0x04)
530 #define MPI2_FUNCTION_PORT_FACTS                    (0x05)
531 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06)
532 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07)
533 #define MPI2_FUNCTION_EVENT_ACK                     (0x08)
534 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09)
535 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B)
536 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C)
537 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D)
538 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12)
539 #define MPI2_FUNCTION_RAID_ACTION                   (0x15)
540 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16)
541 #define MPI2_FUNCTION_TOOLBOX                       (0x17)
542 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18)
543 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A)
544 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B)
545 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C)
546 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D)
547 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E)
548 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24)
549 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25)
550 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C)
551 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F)
552 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30)
553 #define MPI2_FUNCTION_SEND_HOST_MESSAGE             (0x31)
554 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0)
555 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF)
556 
557 /*Doorbell functions */
558 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
559 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
560 
561 /*****************************************************************************
562 *
563 *       IOC Status Values
564 *
565 *****************************************************************************/
566 
567 /*mask for IOCStatus status value */
568 #define MPI2_IOCSTATUS_MASK                     (0x7FFF)
569 
570 /****************************************************************************
571 * Common IOCStatus values for all replies
572 ****************************************************************************/
573 
574 #define MPI2_IOCSTATUS_SUCCESS                      (0x0000)
575 #define MPI2_IOCSTATUS_INVALID_FUNCTION             (0x0001)
576 #define MPI2_IOCSTATUS_BUSY                         (0x0002)
577 #define MPI2_IOCSTATUS_INVALID_SGL                  (0x0003)
578 #define MPI2_IOCSTATUS_INTERNAL_ERROR               (0x0004)
579 #define MPI2_IOCSTATUS_INVALID_VPID                 (0x0005)
580 #define MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES       (0x0006)
581 #define MPI2_IOCSTATUS_INVALID_FIELD                (0x0007)
582 #define MPI2_IOCSTATUS_INVALID_STATE                (0x0008)
583 #define MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED       (0x0009)
584 
585 /****************************************************************************
586 * Config IOCStatus values
587 ****************************************************************************/
588 
589 #define MPI2_IOCSTATUS_CONFIG_INVALID_ACTION        (0x0020)
590 #define MPI2_IOCSTATUS_CONFIG_INVALID_TYPE          (0x0021)
591 #define MPI2_IOCSTATUS_CONFIG_INVALID_PAGE          (0x0022)
592 #define MPI2_IOCSTATUS_CONFIG_INVALID_DATA          (0x0023)
593 #define MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS           (0x0024)
594 #define MPI2_IOCSTATUS_CONFIG_CANT_COMMIT           (0x0025)
595 
596 /****************************************************************************
597 * SCSI IO Reply
598 ****************************************************************************/
599 
600 #define MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR         (0x0040)
601 #define MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE       (0x0042)
602 #define MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE        (0x0043)
603 #define MPI2_IOCSTATUS_SCSI_DATA_OVERRUN            (0x0044)
604 #define MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN           (0x0045)
605 #define MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR           (0x0046)
606 #define MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR          (0x0047)
607 #define MPI2_IOCSTATUS_SCSI_TASK_TERMINATED         (0x0048)
608 #define MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH       (0x0049)
609 #define MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED        (0x004A)
610 #define MPI2_IOCSTATUS_SCSI_IOC_TERMINATED          (0x004B)
611 #define MPI2_IOCSTATUS_SCSI_EXT_TERMINATED          (0x004C)
612 
613 /****************************************************************************
614 * For use by SCSI Initiator and SCSI Target end-to-end data protection
615 ****************************************************************************/
616 
617 #define MPI2_IOCSTATUS_EEDP_GUARD_ERROR             (0x004D)
618 #define MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR           (0x004E)
619 #define MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR           (0x004F)
620 
621 /****************************************************************************
622 * SCSI Target values
623 ****************************************************************************/
624 
625 #define MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX      (0x0062)
626 #define MPI2_IOCSTATUS_TARGET_ABORTED               (0x0063)
627 #define MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE     (0x0064)
628 #define MPI2_IOCSTATUS_TARGET_NO_CONNECTION         (0x0065)
629 #define MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH   (0x006A)
630 #define MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR     (0x006D)
631 #define MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA   (0x006E)
632 #define MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT          (0x006F)
633 #define MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT       (0x0070)
634 #define MPI2_IOCSTATUS_TARGET_NAK_RECEIVED          (0x0071)
635 
636 /****************************************************************************
637 * Serial Attached SCSI values
638 ****************************************************************************/
639 
640 #define MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED       (0x0090)
641 #define MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN         (0x0091)
642 
643 /****************************************************************************
644 * Diagnostic Buffer Post / Diagnostic Release values
645 ****************************************************************************/
646 
647 #define MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED          (0x00A0)
648 
649 /****************************************************************************
650 * RAID Accelerator values
651 ****************************************************************************/
652 
653 #define MPI2_IOCSTATUS_RAID_ACCEL_ERROR             (0x00B0)
654 
655 /****************************************************************************
656 * IOCStatus flag to indicate that log info is available
657 ****************************************************************************/
658 
659 #define MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE      (0x8000)
660 
661 /****************************************************************************
662 * IOCLogInfo Types
663 ****************************************************************************/
664 
665 #define MPI2_IOCLOGINFO_TYPE_MASK               (0xF0000000)
666 #define MPI2_IOCLOGINFO_TYPE_SHIFT              (28)
667 #define MPI2_IOCLOGINFO_TYPE_NONE               (0x0)
668 #define MPI2_IOCLOGINFO_TYPE_SCSI               (0x1)
669 #define MPI2_IOCLOGINFO_TYPE_FC                 (0x2)
670 #define MPI2_IOCLOGINFO_TYPE_SAS                (0x3)
671 #define MPI2_IOCLOGINFO_TYPE_ISCSI              (0x4)
672 #define MPI2_IOCLOGINFO_LOG_DATA_MASK           (0x0FFFFFFF)
673 
674 /*****************************************************************************
675 *
676 *       Standard Message Structures
677 *
678 *****************************************************************************/
679 
680 /****************************************************************************
681 *Request Message Header for all request messages
682 ****************************************************************************/
683 
684 typedef struct _MPI2_REQUEST_HEADER {
685 	U16 FunctionDependent1;	/*0x00 */
686 	U8 ChainOffset;		/*0x02 */
687 	U8 Function;		/*0x03 */
688 	U16 FunctionDependent2;	/*0x04 */
689 	U8 FunctionDependent3;	/*0x06 */
690 	U8 MsgFlags;		/*0x07 */
691 	U8 VP_ID;		/*0x08 */
692 	U8 VF_ID;		/*0x09 */
693 	U16 Reserved1;		/*0x0A */
694 } MPI2_REQUEST_HEADER, *PTR_MPI2_REQUEST_HEADER,
695 	MPI2RequestHeader_t, *pMPI2RequestHeader_t;
696 
697 /****************************************************************************
698 * Default Reply
699 ****************************************************************************/
700 
701 typedef struct _MPI2_DEFAULT_REPLY {
702 	U16 FunctionDependent1;	/*0x00 */
703 	U8 MsgLength;		/*0x02 */
704 	U8 Function;		/*0x03 */
705 	U16 FunctionDependent2;	/*0x04 */
706 	U8 FunctionDependent3;	/*0x06 */
707 	U8 MsgFlags;		/*0x07 */
708 	U8 VP_ID;		/*0x08 */
709 	U8 VF_ID;		/*0x09 */
710 	U16 Reserved1;		/*0x0A */
711 	U16 FunctionDependent5;	/*0x0C */
712 	U16 IOCStatus;		/*0x0E */
713 	U32 IOCLogInfo;		/*0x10 */
714 } MPI2_DEFAULT_REPLY, *PTR_MPI2_DEFAULT_REPLY,
715 	MPI2DefaultReply_t, *pMPI2DefaultReply_t;
716 
717 /*common version structure/union used in messages and configuration pages */
718 
719 typedef struct _MPI2_VERSION_STRUCT {
720 	U8 Dev;			/*0x00 */
721 	U8 Unit;		/*0x01 */
722 	U8 Minor;		/*0x02 */
723 	U8 Major;		/*0x03 */
724 } MPI2_VERSION_STRUCT;
725 
726 typedef union _MPI2_VERSION_UNION {
727 	MPI2_VERSION_STRUCT Struct;
728 	U32 Word;
729 } MPI2_VERSION_UNION;
730 
731 /*LUN field defines, common to many structures */
732 #define MPI2_LUN_FIRST_LEVEL_ADDRESSING             (0x0000FFFF)
733 #define MPI2_LUN_SECOND_LEVEL_ADDRESSING            (0xFFFF0000)
734 #define MPI2_LUN_THIRD_LEVEL_ADDRESSING             (0x0000FFFF)
735 #define MPI2_LUN_FOURTH_LEVEL_ADDRESSING            (0xFFFF0000)
736 #define MPI2_LUN_LEVEL_1_WORD                       (0xFF00)
737 #define MPI2_LUN_LEVEL_1_DWORD                      (0x0000FF00)
738 
739 /*****************************************************************************
740 *
741 *       Fusion-MPT MPI Scatter Gather Elements
742 *
743 *****************************************************************************/
744 
745 /****************************************************************************
746 * MPI Simple Element structures
747 ****************************************************************************/
748 
749 typedef struct _MPI2_SGE_SIMPLE32 {
750 	U32 FlagsLength;
751 	U32 Address;
752 } MPI2_SGE_SIMPLE32, *PTR_MPI2_SGE_SIMPLE32,
753 	Mpi2SGESimple32_t, *pMpi2SGESimple32_t;
754 
755 typedef struct _MPI2_SGE_SIMPLE64 {
756 	U32 FlagsLength;
757 	U64 Address;
758 } MPI2_SGE_SIMPLE64, *PTR_MPI2_SGE_SIMPLE64,
759 	Mpi2SGESimple64_t, *pMpi2SGESimple64_t;
760 
761 typedef struct _MPI2_SGE_SIMPLE_UNION {
762 	U32 FlagsLength;
763 	union {
764 		U32 Address32;
765 		U64 Address64;
766 	} u;
767 } MPI2_SGE_SIMPLE_UNION,
768 	*PTR_MPI2_SGE_SIMPLE_UNION,
769 	Mpi2SGESimpleUnion_t,
770 	*pMpi2SGESimpleUnion_t;
771 
772 /****************************************************************************
773 * MPI Chain Element structures - for MPI v2.0 products only
774 ****************************************************************************/
775 
776 typedef struct _MPI2_SGE_CHAIN32 {
777 	U16 Length;
778 	U8 NextChainOffset;
779 	U8 Flags;
780 	U32 Address;
781 } MPI2_SGE_CHAIN32, *PTR_MPI2_SGE_CHAIN32,
782 	Mpi2SGEChain32_t, *pMpi2SGEChain32_t;
783 
784 typedef struct _MPI2_SGE_CHAIN64 {
785 	U16 Length;
786 	U8 NextChainOffset;
787 	U8 Flags;
788 	U64 Address;
789 } MPI2_SGE_CHAIN64, *PTR_MPI2_SGE_CHAIN64,
790 	Mpi2SGEChain64_t, *pMpi2SGEChain64_t;
791 
792 typedef struct _MPI2_SGE_CHAIN_UNION {
793 	U16 Length;
794 	U8 NextChainOffset;
795 	U8 Flags;
796 	union {
797 		U32 Address32;
798 		U64 Address64;
799 	} u;
800 } MPI2_SGE_CHAIN_UNION,
801 	*PTR_MPI2_SGE_CHAIN_UNION,
802 	Mpi2SGEChainUnion_t,
803 	*pMpi2SGEChainUnion_t;
804 
805 /****************************************************************************
806 * MPI Transaction Context Element structures - for MPI v2.0 products only
807 ****************************************************************************/
808 
809 typedef struct _MPI2_SGE_TRANSACTION32 {
810 	U8 Reserved;
811 	U8 ContextSize;
812 	U8 DetailsLength;
813 	U8 Flags;
814 	U32 TransactionContext[1];
815 	U32 TransactionDetails[1];
816 } MPI2_SGE_TRANSACTION32,
817 	*PTR_MPI2_SGE_TRANSACTION32,
818 	Mpi2SGETransaction32_t,
819 	*pMpi2SGETransaction32_t;
820 
821 typedef struct _MPI2_SGE_TRANSACTION64 {
822 	U8 Reserved;
823 	U8 ContextSize;
824 	U8 DetailsLength;
825 	U8 Flags;
826 	U32 TransactionContext[2];
827 	U32 TransactionDetails[1];
828 } MPI2_SGE_TRANSACTION64,
829 	*PTR_MPI2_SGE_TRANSACTION64,
830 	Mpi2SGETransaction64_t,
831 	*pMpi2SGETransaction64_t;
832 
833 typedef struct _MPI2_SGE_TRANSACTION96 {
834 	U8 Reserved;
835 	U8 ContextSize;
836 	U8 DetailsLength;
837 	U8 Flags;
838 	U32 TransactionContext[3];
839 	U32 TransactionDetails[1];
840 } MPI2_SGE_TRANSACTION96, *PTR_MPI2_SGE_TRANSACTION96,
841 	Mpi2SGETransaction96_t, *pMpi2SGETransaction96_t;
842 
843 typedef struct _MPI2_SGE_TRANSACTION128 {
844 	U8 Reserved;
845 	U8 ContextSize;
846 	U8 DetailsLength;
847 	U8 Flags;
848 	U32 TransactionContext[4];
849 	U32 TransactionDetails[1];
850 } MPI2_SGE_TRANSACTION128, *PTR_MPI2_SGE_TRANSACTION128,
851 	Mpi2SGETransaction_t128, *pMpi2SGETransaction_t128;
852 
853 typedef struct _MPI2_SGE_TRANSACTION_UNION {
854 	U8 Reserved;
855 	U8 ContextSize;
856 	U8 DetailsLength;
857 	U8 Flags;
858 	union {
859 		U32 TransactionContext32[1];
860 		U32 TransactionContext64[2];
861 		U32 TransactionContext96[3];
862 		U32 TransactionContext128[4];
863 	} u;
864 	U32 TransactionDetails[1];
865 } MPI2_SGE_TRANSACTION_UNION,
866 	*PTR_MPI2_SGE_TRANSACTION_UNION,
867 	Mpi2SGETransactionUnion_t,
868 	*pMpi2SGETransactionUnion_t;
869 
870 /****************************************************************************
871 * MPI SGE union for IO SGL's - for MPI v2.0 products only
872 ****************************************************************************/
873 
874 typedef struct _MPI2_MPI_SGE_IO_UNION {
875 	union {
876 		MPI2_SGE_SIMPLE_UNION Simple;
877 		MPI2_SGE_CHAIN_UNION Chain;
878 	} u;
879 } MPI2_MPI_SGE_IO_UNION, *PTR_MPI2_MPI_SGE_IO_UNION,
880 	Mpi2MpiSGEIOUnion_t, *pMpi2MpiSGEIOUnion_t;
881 
882 /****************************************************************************
883 * MPI SGE union for SGL's with Simple and Transaction elements - for MPI v2.0 products only
884 ****************************************************************************/
885 
886 typedef struct _MPI2_SGE_TRANS_SIMPLE_UNION {
887 	union {
888 		MPI2_SGE_SIMPLE_UNION Simple;
889 		MPI2_SGE_TRANSACTION_UNION Transaction;
890 	} u;
891 } MPI2_SGE_TRANS_SIMPLE_UNION,
892 	*PTR_MPI2_SGE_TRANS_SIMPLE_UNION,
893 	Mpi2SGETransSimpleUnion_t,
894 	*pMpi2SGETransSimpleUnion_t;
895 
896 /****************************************************************************
897 * All MPI SGE types union
898 ****************************************************************************/
899 
900 typedef struct _MPI2_MPI_SGE_UNION {
901 	union {
902 		MPI2_SGE_SIMPLE_UNION Simple;
903 		MPI2_SGE_CHAIN_UNION Chain;
904 		MPI2_SGE_TRANSACTION_UNION Transaction;
905 	} u;
906 } MPI2_MPI_SGE_UNION, *PTR_MPI2_MPI_SGE_UNION,
907 	Mpi2MpiSgeUnion_t, *pMpi2MpiSgeUnion_t;
908 
909 /****************************************************************************
910 * MPI SGE field definition and masks
911 ****************************************************************************/
912 
913 /*Flags field bit definitions */
914 
915 #define MPI2_SGE_FLAGS_LAST_ELEMENT             (0x80)
916 #define MPI2_SGE_FLAGS_END_OF_BUFFER            (0x40)
917 #define MPI2_SGE_FLAGS_ELEMENT_TYPE_MASK        (0x30)
918 #define MPI2_SGE_FLAGS_LOCAL_ADDRESS            (0x08)
919 #define MPI2_SGE_FLAGS_DIRECTION                (0x04)
920 #define MPI2_SGE_FLAGS_ADDRESS_SIZE             (0x02)
921 #define MPI2_SGE_FLAGS_END_OF_LIST              (0x01)
922 
923 #define MPI2_SGE_FLAGS_SHIFT                    (24)
924 
925 #define MPI2_SGE_LENGTH_MASK                    (0x00FFFFFF)
926 #define MPI2_SGE_CHAIN_LENGTH_MASK              (0x0000FFFF)
927 
928 /*Element Type */
929 
930 #define MPI2_SGE_FLAGS_TRANSACTION_ELEMENT      (0x00)
931 #define MPI2_SGE_FLAGS_SIMPLE_ELEMENT           (0x10)
932 #define MPI2_SGE_FLAGS_CHAIN_ELEMENT            (0x30)
933 #define MPI2_SGE_FLAGS_ELEMENT_MASK             (0x30)
934 
935 /*Address location */
936 
937 #define MPI2_SGE_FLAGS_SYSTEM_ADDRESS           (0x00)
938 
939 /*Direction */
940 
941 #define MPI2_SGE_FLAGS_IOC_TO_HOST              (0x00)
942 #define MPI2_SGE_FLAGS_HOST_TO_IOC              (0x04)
943 
944 #define MPI2_SGE_FLAGS_DEST (MPI2_SGE_FLAGS_IOC_TO_HOST)
945 #define MPI2_SGE_FLAGS_SOURCE (MPI2_SGE_FLAGS_HOST_TO_IOC)
946 
947 /*Address Size */
948 
949 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
950 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
951 
952 /*Context Size */
953 
954 #define MPI2_SGE_FLAGS_32_BIT_CONTEXT           (0x00)
955 #define MPI2_SGE_FLAGS_64_BIT_CONTEXT           (0x02)
956 #define MPI2_SGE_FLAGS_96_BIT_CONTEXT           (0x04)
957 #define MPI2_SGE_FLAGS_128_BIT_CONTEXT          (0x06)
958 
959 #define MPI2_SGE_CHAIN_OFFSET_MASK              (0x00FF0000)
960 #define MPI2_SGE_CHAIN_OFFSET_SHIFT             (16)
961 
962 /****************************************************************************
963 * MPI SGE operation Macros
964 ****************************************************************************/
965 
966 /*SIMPLE FlagsLength manipulations... */
967 #define MPI2_SGE_SET_FLAGS(f) ((U32)(f) << MPI2_SGE_FLAGS_SHIFT)
968 #define MPI2_SGE_GET_FLAGS(f) (((f) & ~MPI2_SGE_LENGTH_MASK) >> \
969 					MPI2_SGE_FLAGS_SHIFT)
970 #define MPI2_SGE_LENGTH(f) ((f) & MPI2_SGE_LENGTH_MASK)
971 #define MPI2_SGE_CHAIN_LENGTH(f) ((f) & MPI2_SGE_CHAIN_LENGTH_MASK)
972 
973 #define MPI2_SGE_SET_FLAGS_LENGTH(f, l) (MPI2_SGE_SET_FLAGS(f) | \
974 					MPI2_SGE_LENGTH(l))
975 
976 #define MPI2_pSGE_GET_FLAGS(psg) MPI2_SGE_GET_FLAGS((psg)->FlagsLength)
977 #define MPI2_pSGE_GET_LENGTH(psg) MPI2_SGE_LENGTH((psg)->FlagsLength)
978 #define MPI2_pSGE_SET_FLAGS_LENGTH(psg, f, l) ((psg)->FlagsLength = \
979 					MPI2_SGE_SET_FLAGS_LENGTH(f, l))
980 
981 /*CAUTION - The following are READ-MODIFY-WRITE! */
982 #define MPI2_pSGE_SET_FLAGS(psg, f) ((psg)->FlagsLength |= \
983 					MPI2_SGE_SET_FLAGS(f))
984 #define MPI2_pSGE_SET_LENGTH(psg, l) ((psg)->FlagsLength |= \
985 					MPI2_SGE_LENGTH(l))
986 
987 #define MPI2_GET_CHAIN_OFFSET(x) ((x & MPI2_SGE_CHAIN_OFFSET_MASK) >> \
988 					MPI2_SGE_CHAIN_OFFSET_SHIFT)
989 
990 /*****************************************************************************
991 *
992 *       Fusion-MPT IEEE Scatter Gather Elements
993 *
994 *****************************************************************************/
995 
996 /****************************************************************************
997 * IEEE Simple Element structures
998 ****************************************************************************/
999 
1000 /*MPI2_IEEE_SGE_SIMPLE32 is for MPI v2.0 products only */
1001 typedef struct _MPI2_IEEE_SGE_SIMPLE32 {
1002 	U32 Address;
1003 	U32 FlagsLength;
1004 } MPI2_IEEE_SGE_SIMPLE32, *PTR_MPI2_IEEE_SGE_SIMPLE32,
1005 	Mpi2IeeeSgeSimple32_t, *pMpi2IeeeSgeSimple32_t;
1006 
1007 typedef struct _MPI2_IEEE_SGE_SIMPLE64 {
1008 	U64 Address;
1009 	U32 Length;
1010 	U16 Reserved1;
1011 	U8 Reserved2;
1012 	U8 Flags;
1013 } MPI2_IEEE_SGE_SIMPLE64, *PTR_MPI2_IEEE_SGE_SIMPLE64,
1014 	Mpi2IeeeSgeSimple64_t, *pMpi2IeeeSgeSimple64_t;
1015 
1016 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION {
1017 	MPI2_IEEE_SGE_SIMPLE32 Simple32;
1018 	MPI2_IEEE_SGE_SIMPLE64 Simple64;
1019 } MPI2_IEEE_SGE_SIMPLE_UNION,
1020 	*PTR_MPI2_IEEE_SGE_SIMPLE_UNION,
1021 	Mpi2IeeeSgeSimpleUnion_t,
1022 	*pMpi2IeeeSgeSimpleUnion_t;
1023 
1024 /****************************************************************************
1025 * IEEE Chain Element structures
1026 ****************************************************************************/
1027 
1028 /*MPI2_IEEE_SGE_CHAIN32 is for MPI v2.0 products only */
1029 typedef MPI2_IEEE_SGE_SIMPLE32 MPI2_IEEE_SGE_CHAIN32;
1030 
1031 /*MPI2_IEEE_SGE_CHAIN64 is for MPI v2.0 products only */
1032 typedef MPI2_IEEE_SGE_SIMPLE64 MPI2_IEEE_SGE_CHAIN64;
1033 
1034 typedef union _MPI2_IEEE_SGE_CHAIN_UNION {
1035 	MPI2_IEEE_SGE_CHAIN32 Chain32;
1036 	MPI2_IEEE_SGE_CHAIN64 Chain64;
1037 } MPI2_IEEE_SGE_CHAIN_UNION,
1038 	*PTR_MPI2_IEEE_SGE_CHAIN_UNION,
1039 	Mpi2IeeeSgeChainUnion_t,
1040 	*pMpi2IeeeSgeChainUnion_t;
1041 
1042 /*MPI25_IEEE_SGE_CHAIN64 is for MPI v2.5 products only */
1043 typedef struct _MPI25_IEEE_SGE_CHAIN64 {
1044 	U64 Address;
1045 	U32 Length;
1046 	U16 Reserved1;
1047 	U8 NextChainOffset;
1048 	U8 Flags;
1049 } MPI25_IEEE_SGE_CHAIN64,
1050 	*PTR_MPI25_IEEE_SGE_CHAIN64,
1051 	Mpi25IeeeSgeChain64_t,
1052 	*pMpi25IeeeSgeChain64_t;
1053 
1054 /****************************************************************************
1055 * All IEEE SGE types union
1056 ****************************************************************************/
1057 
1058 /*MPI2_IEEE_SGE_UNION is for MPI v2.0 products only */
1059 typedef struct _MPI2_IEEE_SGE_UNION {
1060 	union {
1061 		MPI2_IEEE_SGE_SIMPLE_UNION Simple;
1062 		MPI2_IEEE_SGE_CHAIN_UNION Chain;
1063 	} u;
1064 } MPI2_IEEE_SGE_UNION, *PTR_MPI2_IEEE_SGE_UNION,
1065 	Mpi2IeeeSgeUnion_t, *pMpi2IeeeSgeUnion_t;
1066 
1067 /****************************************************************************
1068 * IEEE SGE union for IO SGL's
1069 ****************************************************************************/
1070 
1071 typedef union _MPI25_SGE_IO_UNION {
1072 	MPI2_IEEE_SGE_SIMPLE64 IeeeSimple;
1073 	MPI25_IEEE_SGE_CHAIN64 IeeeChain;
1074 } MPI25_SGE_IO_UNION, *PTR_MPI25_SGE_IO_UNION,
1075 	Mpi25SGEIOUnion_t, *pMpi25SGEIOUnion_t;
1076 
1077 /****************************************************************************
1078 * IEEE SGE field definitions and masks
1079 ****************************************************************************/
1080 
1081 /*Flags field bit definitions */
1082 
1083 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1084 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
1085 
1086 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1087 
1088 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1089 
1090 /*Element Type */
1091 
1092 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1093 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1094 
1095 /*Data Location Address Space */
1096 
1097 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1098 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00)
1099 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01)
1100 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1101 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03)
1102 #define MPI2_IEEE_SGE_FLAGS_SYSTEMPLBPCI_ADDR   (0x03)
1103 #define MPI2_IEEE_SGE_FLAGS_SYSTEMPLBCPI_ADDR \
1104 	 (MPI2_IEEE_SGE_FLAGS_SYSTEMPLBPCI_ADDR)
1105 
1106 /****************************************************************************
1107 * IEEE SGE operation Macros
1108 ****************************************************************************/
1109 
1110 /*SIMPLE FlagsLength manipulations... */
1111 #define MPI2_IEEE32_SGE_SET_FLAGS(f) ((U32)(f) << MPI2_IEEE32_SGE_FLAGS_SHIFT)
1112 #define MPI2_IEEE32_SGE_GET_FLAGS(f) (((f) & ~MPI2_IEEE32_SGE_LENGTH_MASK) \
1113 				 >> MPI2_IEEE32_SGE_FLAGS_SHIFT)
1114 #define MPI2_IEEE32_SGE_LENGTH(f)    ((f) & MPI2_IEEE32_SGE_LENGTH_MASK)
1115 
1116 #define MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f, l) (MPI2_IEEE32_SGE_SET_FLAGS(f) |\
1117 						 MPI2_IEEE32_SGE_LENGTH(l))
1118 
1119 #define MPI2_IEEE32_pSGE_GET_FLAGS(psg) \
1120 			MPI2_IEEE32_SGE_GET_FLAGS((psg)->FlagsLength)
1121 #define MPI2_IEEE32_pSGE_GET_LENGTH(psg) \
1122 			MPI2_IEEE32_SGE_LENGTH((psg)->FlagsLength)
1123 #define MPI2_IEEE32_pSGE_SET_FLAGS_LENGTH(psg, f, l) ((psg)->FlagsLength = \
1124 					MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f, l))
1125 
1126 /*CAUTION - The following are READ-MODIFY-WRITE! */
1127 #define MPI2_IEEE32_pSGE_SET_FLAGS(psg, f) ((psg)->FlagsLength |= \
1128 					MPI2_IEEE32_SGE_SET_FLAGS(f))
1129 #define MPI2_IEEE32_pSGE_SET_LENGTH(psg, l) ((psg)->FlagsLength |= \
1130 					MPI2_IEEE32_SGE_LENGTH(l))
1131 
1132 /*****************************************************************************
1133 *
1134 *       Fusion-MPT MPI/IEEE Scatter Gather Unions
1135 *
1136 *****************************************************************************/
1137 
1138 typedef union _MPI2_SIMPLE_SGE_UNION {
1139 	MPI2_SGE_SIMPLE_UNION MpiSimple;
1140 	MPI2_IEEE_SGE_SIMPLE_UNION IeeeSimple;
1141 } MPI2_SIMPLE_SGE_UNION, *PTR_MPI2_SIMPLE_SGE_UNION,
1142 	Mpi2SimpleSgeUntion_t, *pMpi2SimpleSgeUntion_t;
1143 
1144 typedef union _MPI2_SGE_IO_UNION {
1145 	MPI2_SGE_SIMPLE_UNION MpiSimple;
1146 	MPI2_SGE_CHAIN_UNION MpiChain;
1147 	MPI2_IEEE_SGE_SIMPLE_UNION IeeeSimple;
1148 	MPI2_IEEE_SGE_CHAIN_UNION IeeeChain;
1149 } MPI2_SGE_IO_UNION, *PTR_MPI2_SGE_IO_UNION,
1150 	Mpi2SGEIOUnion_t, *pMpi2SGEIOUnion_t;
1151 
1152 /****************************************************************************
1153 *
1154 * Values for SGLFlags field, used in many request messages with an SGL
1155 *
1156 ****************************************************************************/
1157 
1158 /*values for MPI SGL Data Location Address Space subfield */
1159 #define MPI2_SGLFLAGS_ADDRESS_SPACE_MASK            (0x0C)
1160 #define MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE          (0x00)
1161 #define MPI2_SGLFLAGS_IOCDDR_ADDRESS_SPACE          (0x04)
1162 #define MPI2_SGLFLAGS_IOCPLB_ADDRESS_SPACE          (0x08)
1163 #define MPI2_SGLFLAGS_IOCPLBNTA_ADDRESS_SPACE       (0x0C)
1164 /*values for SGL Type subfield */
1165 #define MPI2_SGLFLAGS_SGL_TYPE_MASK                 (0x03)
1166 #define MPI2_SGLFLAGS_SGL_TYPE_MPI                  (0x00)
1167 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE32               (0x01)
1168 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE64               (0x02)
1169 
1170 #endif
1171