xref: /openbmc/linux/drivers/scsi/mpt3sas/mpi/mpi2.h (revision 7587eb18)
1 /*
2  * Copyright 2000-2015 Avago Technologies.  All rights reserved.
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:  02.00.42
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  * 04-09-13  02.00.30  Bumped MPI2_HEADER_VERSION_UNIT.
90  * 04-17-13  02.00.31  Bumped MPI2_HEADER_VERSION_UNIT.
91  * 08-19-13  02.00.32  Bumped MPI2_HEADER_VERSION_UNIT.
92  * 12-05-13  02.00.33  Bumped MPI2_HEADER_VERSION_UNIT.
93  * 01-08-14  02.00.34  Bumped MPI2_HEADER_VERSION_UNIT
94  * 06-13-14  02.00.35  Bumped MPI2_HEADER_VERSION_UNIT.
95  * 11-18-14  02.00.36  Updated copyright information.
96  *                     Bumped MPI2_HEADER_VERSION_UNIT.
97  * 03-16-15  02.00.37  Bumped MPI2_HEADER_VERSION_UNIT.
98  *                     Added Scratchpad registers to
99  *                     MPI2_SYSTEM_INTERFACE_REGS.
100  *                     Added MPI2_DIAG_SBR_RELOAD.
101  * 03-19-15  02.00.38  Bumped MPI2_HEADER_VERSION_UNIT.
102  * 05-25-15  02.00.39  Bumped MPI2_HEADER_VERSION_UNIT.
103  * 08-25-15  02.00.40  Bumped MPI2_HEADER_VERSION_UNIT.
104  * 12-15-15  02.00.41  Bumped MPI_HEADER_VERSION_UNIT
105  * 01-01-16  02.00.42  Bumped MPI_HEADER_VERSION_UNIT
106  * --------------------------------------------------------------------------
107  */
108 
109 #ifndef MPI2_H
110 #define MPI2_H
111 
112 /*****************************************************************************
113 *
114 *       MPI Version Definitions
115 *
116 *****************************************************************************/
117 
118 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
119 #define MPI2_VERSION_MAJOR_SHIFT            (8)
120 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
121 #define MPI2_VERSION_MINOR_SHIFT            (0)
122 
123 /*major version for all MPI v2.x */
124 #define MPI2_VERSION_MAJOR                  (0x02)
125 
126 /*minor version for MPI v2.0 compatible products */
127 #define MPI2_VERSION_MINOR                  (0x00)
128 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
129 					MPI2_VERSION_MINOR)
130 #define MPI2_VERSION_02_00                  (0x0200)
131 
132 /*minor version for MPI v2.5 compatible products */
133 #define MPI25_VERSION_MINOR                 (0x05)
134 #define MPI25_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
135 					MPI25_VERSION_MINOR)
136 #define MPI2_VERSION_02_05                  (0x0205)
137 
138 /*minor version for MPI v2.6 compatible products */
139 #define MPI26_VERSION_MINOR		    (0x06)
140 #define MPI26_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
141 					MPI26_VERSION_MINOR)
142 #define MPI2_VERSION_02_06		    (0x0206)
143 
144 /*Unit and Dev versioning for this MPI header set */
145 #define MPI2_HEADER_VERSION_UNIT            (0x2A)
146 #define MPI2_HEADER_VERSION_DEV             (0x00)
147 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
148 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
149 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
150 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
151 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) | \
152 					MPI2_HEADER_VERSION_DEV)
153 
154 /*****************************************************************************
155 *
156 *       IOC State Definitions
157 *
158 *****************************************************************************/
159 
160 #define MPI2_IOC_STATE_RESET               (0x00000000)
161 #define MPI2_IOC_STATE_READY               (0x10000000)
162 #define MPI2_IOC_STATE_OPERATIONAL         (0x20000000)
163 #define MPI2_IOC_STATE_FAULT               (0x40000000)
164 
165 #define MPI2_IOC_STATE_MASK                (0xF0000000)
166 #define MPI2_IOC_STATE_SHIFT               (28)
167 
168 /*Fault state range for prodcut specific codes */
169 #define MPI2_FAULT_PRODUCT_SPECIFIC_MIN                 (0x0000)
170 #define MPI2_FAULT_PRODUCT_SPECIFIC_MAX                 (0xEFFF)
171 
172 /*****************************************************************************
173 *
174 *       System Interface Register Definitions
175 *
176 *****************************************************************************/
177 
178 typedef volatile struct _MPI2_SYSTEM_INTERFACE_REGS {
179 	U32 Doorbell;		/*0x00 */
180 	U32 WriteSequence;	/*0x04 */
181 	U32 HostDiagnostic;	/*0x08 */
182 	U32 Reserved1;		/*0x0C */
183 	U32 DiagRWData;		/*0x10 */
184 	U32 DiagRWAddressLow;	/*0x14 */
185 	U32 DiagRWAddressHigh;	/*0x18 */
186 	U32 Reserved2[5];	/*0x1C */
187 	U32 HostInterruptStatus;	/*0x30 */
188 	U32 HostInterruptMask;	/*0x34 */
189 	U32 DCRData;		/*0x38 */
190 	U32 DCRAddress;		/*0x3C */
191 	U32 Reserved3[2];	/*0x40 */
192 	U32 ReplyFreeHostIndex;	/*0x48 */
193 	U32 Reserved4[8];	/*0x4C */
194 	U32 ReplyPostHostIndex;	/*0x6C */
195 	U32 Reserved5;		/*0x70 */
196 	U32 HCBSize;		/*0x74 */
197 	U32 HCBAddressLow;	/*0x78 */
198 	U32 HCBAddressHigh;	/*0x7C */
199 	U32 Reserved6[12];	/*0x80 */
200 	U32 Scratchpad[4];	/*0xB0 */
201 	U32 RequestDescriptorPostLow;	/*0xC0 */
202 	U32 RequestDescriptorPostHigh;	/*0xC4 */
203 	U32 AtomicRequestDescriptorPost;/*0xC8 */
204 	U32 Reserved7[13];	/*0xCC */
205 } MPI2_SYSTEM_INTERFACE_REGS,
206 	*PTR_MPI2_SYSTEM_INTERFACE_REGS,
207 	Mpi2SystemInterfaceRegs_t,
208 	*pMpi2SystemInterfaceRegs_t;
209 
210 /*
211  *Defines for working with the Doorbell register.
212  */
213 #define MPI2_DOORBELL_OFFSET                    (0x00000000)
214 
215 /*IOC --> System values */
216 #define MPI2_DOORBELL_USED                      (0x08000000)
217 #define MPI2_DOORBELL_WHO_INIT_MASK             (0x07000000)
218 #define MPI2_DOORBELL_WHO_INIT_SHIFT            (24)
219 #define MPI2_DOORBELL_FAULT_CODE_MASK           (0x0000FFFF)
220 #define MPI2_DOORBELL_DATA_MASK                 (0x0000FFFF)
221 
222 /*System --> IOC values */
223 #define MPI2_DOORBELL_FUNCTION_MASK             (0xFF000000)
224 #define MPI2_DOORBELL_FUNCTION_SHIFT            (24)
225 #define MPI2_DOORBELL_ADD_DWORDS_MASK           (0x00FF0000)
226 #define MPI2_DOORBELL_ADD_DWORDS_SHIFT          (16)
227 
228 /*
229  *Defines for the WriteSequence register
230  */
231 #define MPI2_WRITE_SEQUENCE_OFFSET              (0x00000004)
232 #define MPI2_WRSEQ_KEY_VALUE_MASK               (0x0000000F)
233 #define MPI2_WRSEQ_FLUSH_KEY_VALUE              (0x0)
234 #define MPI2_WRSEQ_1ST_KEY_VALUE                (0xF)
235 #define MPI2_WRSEQ_2ND_KEY_VALUE                (0x4)
236 #define MPI2_WRSEQ_3RD_KEY_VALUE                (0xB)
237 #define MPI2_WRSEQ_4TH_KEY_VALUE                (0x2)
238 #define MPI2_WRSEQ_5TH_KEY_VALUE                (0x7)
239 #define MPI2_WRSEQ_6TH_KEY_VALUE                (0xD)
240 
241 /*
242  *Defines for the HostDiagnostic register
243  */
244 #define MPI2_HOST_DIAGNOSTIC_OFFSET             (0x00000008)
245 
246 #define MPI2_DIAG_SBR_RELOAD                    (0x00002000)
247 
248 #define MPI2_DIAG_BOOT_DEVICE_SELECT_MASK       (0x00001800)
249 #define MPI2_DIAG_BOOT_DEVICE_SELECT_DEFAULT    (0x00000000)
250 #define MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW       (0x00000800)
251 
252 #define MPI2_DIAG_CLEAR_FLASH_BAD_SIG           (0x00000400)
253 #define MPI2_DIAG_FORCE_HCB_ON_RESET            (0x00000200)
254 #define MPI2_DIAG_HCB_MODE                      (0x00000100)
255 #define MPI2_DIAG_DIAG_WRITE_ENABLE             (0x00000080)
256 #define MPI2_DIAG_FLASH_BAD_SIG                 (0x00000040)
257 #define MPI2_DIAG_RESET_HISTORY                 (0x00000020)
258 #define MPI2_DIAG_DIAG_RW_ENABLE                (0x00000010)
259 #define MPI2_DIAG_RESET_ADAPTER                 (0x00000004)
260 #define MPI2_DIAG_HOLD_IOC_RESET                (0x00000002)
261 
262 /*
263  *Offsets for DiagRWData and address
264  */
265 #define MPI2_DIAG_RW_DATA_OFFSET                (0x00000010)
266 #define MPI2_DIAG_RW_ADDRESS_LOW_OFFSET         (0x00000014)
267 #define MPI2_DIAG_RW_ADDRESS_HIGH_OFFSET        (0x00000018)
268 
269 /*
270  *Defines for the HostInterruptStatus register
271  */
272 #define MPI2_HOST_INTERRUPT_STATUS_OFFSET       (0x00000030)
273 #define MPI2_HIS_SYS2IOC_DB_STATUS              (0x80000000)
274 #define MPI2_HIS_IOP_DOORBELL_STATUS MPI2_HIS_SYS2IOC_DB_STATUS
275 #define MPI2_HIS_RESET_IRQ_STATUS               (0x40000000)
276 #define MPI2_HIS_REPLY_DESCRIPTOR_INTERRUPT     (0x00000008)
277 #define MPI2_HIS_IOC2SYS_DB_STATUS              (0x00000001)
278 #define MPI2_HIS_DOORBELL_INTERRUPT MPI2_HIS_IOC2SYS_DB_STATUS
279 
280 /*
281  *Defines for the HostInterruptMask register
282  */
283 #define MPI2_HOST_INTERRUPT_MASK_OFFSET         (0x00000034)
284 #define MPI2_HIM_RESET_IRQ_MASK                 (0x40000000)
285 #define MPI2_HIM_REPLY_INT_MASK                 (0x00000008)
286 #define MPI2_HIM_RIM                            MPI2_HIM_REPLY_INT_MASK
287 #define MPI2_HIM_IOC2SYS_DB_MASK                (0x00000001)
288 #define MPI2_HIM_DIM                            MPI2_HIM_IOC2SYS_DB_MASK
289 
290 /*
291  *Offsets for DCRData and address
292  */
293 #define MPI2_DCR_DATA_OFFSET                    (0x00000038)
294 #define MPI2_DCR_ADDRESS_OFFSET                 (0x0000003C)
295 
296 /*
297  *Offset for the Reply Free Queue
298  */
299 #define MPI2_REPLY_FREE_HOST_INDEX_OFFSET       (0x00000048)
300 
301 /*
302  *Defines for the Reply Descriptor Post Queue
303  */
304 #define MPI2_REPLY_POST_HOST_INDEX_OFFSET       (0x0000006C)
305 #define MPI2_REPLY_POST_HOST_INDEX_MASK         (0x00FFFFFF)
306 #define MPI2_RPHI_MSIX_INDEX_MASK               (0xFF000000)
307 #define MPI2_RPHI_MSIX_INDEX_SHIFT              (24)
308 #define MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET  (0x0000030C) /*MPI v2.5 only*/
309 
310 
311 /*
312  *Defines for the HCBSize and address
313  */
314 #define MPI2_HCB_SIZE_OFFSET                    (0x00000074)
315 #define MPI2_HCB_SIZE_SIZE_MASK                 (0xFFFFF000)
316 #define MPI2_HCB_SIZE_HCB_ENABLE                (0x00000001)
317 
318 #define MPI2_HCB_ADDRESS_LOW_OFFSET             (0x00000078)
319 #define MPI2_HCB_ADDRESS_HIGH_OFFSET            (0x0000007C)
320 
321 /*
322  *Offsets for the Scratchpad registers
323  */
324 #define MPI26_SCRATCHPAD0_OFFSET                (0x000000B0)
325 #define MPI26_SCRATCHPAD1_OFFSET                (0x000000B4)
326 #define MPI26_SCRATCHPAD2_OFFSET                (0x000000B8)
327 #define MPI26_SCRATCHPAD3_OFFSET                (0x000000BC)
328 
329 /*
330  *Offsets for the Request Descriptor Post Queue
331  */
332 #define MPI2_REQUEST_DESCRIPTOR_POST_LOW_OFFSET     (0x000000C0)
333 #define MPI2_REQUEST_DESCRIPTOR_POST_HIGH_OFFSET    (0x000000C4)
334 #define MPI26_ATOMIC_REQUEST_DESCRIPTOR_POST_OFFSET (0x000000C8)
335 
336 /*Hard Reset delay timings */
337 #define MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC     (50000)
338 #define MPI2_HARD_RESET_PCIE_RESET_READ_WINDOW_MICRO_SEC    (255000)
339 #define MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC    (256000)
340 
341 /*****************************************************************************
342 *
343 *       Message Descriptors
344 *
345 *****************************************************************************/
346 
347 /*Request Descriptors */
348 
349 /*Default Request Descriptor */
350 typedef struct _MPI2_DEFAULT_REQUEST_DESCRIPTOR {
351 	U8 RequestFlags;	/*0x00 */
352 	U8 MSIxIndex;		/*0x01 */
353 	U16 SMID;		/*0x02 */
354 	U16 LMID;		/*0x04 */
355 	U16 DescriptorTypeDependent;	/*0x06 */
356 } MPI2_DEFAULT_REQUEST_DESCRIPTOR,
357 	*PTR_MPI2_DEFAULT_REQUEST_DESCRIPTOR,
358 	Mpi2DefaultRequestDescriptor_t,
359 	*pMpi2DefaultRequestDescriptor_t;
360 
361 /*defines for the RequestFlags field */
362 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x1E)
363 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_RSHIFT             (1)
364 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
365 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
366 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
367 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
368 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
369 #define MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO      (0x0C)
370 
371 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER         (0x01)
372 
373 /*High Priority Request Descriptor */
374 typedef struct _MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR {
375 	U8 RequestFlags;	/*0x00 */
376 	U8 MSIxIndex;		/*0x01 */
377 	U16 SMID;		/*0x02 */
378 	U16 LMID;		/*0x04 */
379 	U16 Reserved1;		/*0x06 */
380 } MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
381 	*PTR_MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
382 	Mpi2HighPriorityRequestDescriptor_t,
383 	*pMpi2HighPriorityRequestDescriptor_t;
384 
385 /*SCSI IO Request Descriptor */
386 typedef struct _MPI2_SCSI_IO_REQUEST_DESCRIPTOR {
387 	U8 RequestFlags;	/*0x00 */
388 	U8 MSIxIndex;		/*0x01 */
389 	U16 SMID;		/*0x02 */
390 	U16 LMID;		/*0x04 */
391 	U16 DevHandle;		/*0x06 */
392 } MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
393 	*PTR_MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
394 	Mpi2SCSIIORequestDescriptor_t,
395 	*pMpi2SCSIIORequestDescriptor_t;
396 
397 /*SCSI Target Request Descriptor */
398 typedef struct _MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR {
399 	U8 RequestFlags;	/*0x00 */
400 	U8 MSIxIndex;		/*0x01 */
401 	U16 SMID;		/*0x02 */
402 	U16 LMID;		/*0x04 */
403 	U16 IoIndex;		/*0x06 */
404 } MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
405 	*PTR_MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
406 	Mpi2SCSITargetRequestDescriptor_t,
407 	*pMpi2SCSITargetRequestDescriptor_t;
408 
409 /*RAID Accelerator Request Descriptor */
410 typedef struct _MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR {
411 	U8 RequestFlags;	/*0x00 */
412 	U8 MSIxIndex;		/*0x01 */
413 	U16 SMID;		/*0x02 */
414 	U16 LMID;		/*0x04 */
415 	U16 Reserved;		/*0x06 */
416 } MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
417 	*PTR_MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
418 	Mpi2RAIDAcceleratorRequestDescriptor_t,
419 	*pMpi2RAIDAcceleratorRequestDescriptor_t;
420 
421 /*Fast Path SCSI IO Request Descriptor */
422 typedef MPI2_SCSI_IO_REQUEST_DESCRIPTOR
423 	MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR,
424 	*PTR_MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR,
425 	Mpi25FastPathSCSIIORequestDescriptor_t,
426 	*pMpi25FastPathSCSIIORequestDescriptor_t;
427 
428 /*union of Request Descriptors */
429 typedef union _MPI2_REQUEST_DESCRIPTOR_UNION {
430 	MPI2_DEFAULT_REQUEST_DESCRIPTOR Default;
431 	MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR HighPriority;
432 	MPI2_SCSI_IO_REQUEST_DESCRIPTOR SCSIIO;
433 	MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR SCSITarget;
434 	MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR RAIDAccelerator;
435 	MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR FastPathSCSIIO;
436 	U64 Words;
437 } MPI2_REQUEST_DESCRIPTOR_UNION,
438 	*PTR_MPI2_REQUEST_DESCRIPTOR_UNION,
439 	Mpi2RequestDescriptorUnion_t,
440 	*pMpi2RequestDescriptorUnion_t;
441 
442 /*Atomic Request Descriptors */
443 
444 /*
445  * All Atomic Request Descriptors have the same format, so the following
446  * structure is used for all Atomic Request Descriptors:
447  *      Atomic Default Request Descriptor
448  *      Atomic High Priority Request Descriptor
449  *      Atomic SCSI IO Request Descriptor
450  *      Atomic SCSI Target Request Descriptor
451  *      Atomic RAID Accelerator Request Descriptor
452  *      Atomic Fast Path SCSI IO Request Descriptor
453  */
454 
455 /*Atomic Request Descriptor */
456 typedef struct _MPI26_ATOMIC_REQUEST_DESCRIPTOR {
457 	U8 RequestFlags;	/* 0x00 */
458 	U8 MSIxIndex;		/* 0x01 */
459 	U16 SMID;		/* 0x02 */
460 } MPI26_ATOMIC_REQUEST_DESCRIPTOR,
461 	*PTR_MPI26_ATOMIC_REQUEST_DESCRIPTOR,
462 	Mpi26AtomicRequestDescriptor_t,
463 	*pMpi26AtomicRequestDescriptor_t;
464 
465 /*for the RequestFlags field, use the same
466  *defines as MPI2_DEFAULT_REQUEST_DESCRIPTOR
467  */
468 
469 /*Reply Descriptors */
470 
471 /*Default Reply Descriptor */
472 typedef struct _MPI2_DEFAULT_REPLY_DESCRIPTOR {
473 	U8 ReplyFlags;		/*0x00 */
474 	U8 MSIxIndex;		/*0x01 */
475 	U16 DescriptorTypeDependent1;	/*0x02 */
476 	U32 DescriptorTypeDependent2;	/*0x04 */
477 } MPI2_DEFAULT_REPLY_DESCRIPTOR,
478 	*PTR_MPI2_DEFAULT_REPLY_DESCRIPTOR,
479 	Mpi2DefaultReplyDescriptor_t,
480 	*pMpi2DefaultReplyDescriptor_t;
481 
482 /*defines for the ReplyFlags field */
483 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
484 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
485 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
486 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
487 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
488 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
489 #define MPI25_RPY_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO_SUCCESS  (0x06)
490 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
491 
492 /*values for marking a reply descriptor as unused */
493 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
494 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
495 
496 /*Address Reply Descriptor */
497 typedef struct _MPI2_ADDRESS_REPLY_DESCRIPTOR {
498 	U8 ReplyFlags;		/*0x00 */
499 	U8 MSIxIndex;		/*0x01 */
500 	U16 SMID;		/*0x02 */
501 	U32 ReplyFrameAddress;	/*0x04 */
502 } MPI2_ADDRESS_REPLY_DESCRIPTOR,
503 	*PTR_MPI2_ADDRESS_REPLY_DESCRIPTOR,
504 	Mpi2AddressReplyDescriptor_t,
505 	*pMpi2AddressReplyDescriptor_t;
506 
507 #define MPI2_ADDRESS_REPLY_SMID_INVALID                 (0x00)
508 
509 /*SCSI IO Success Reply Descriptor */
510 typedef struct _MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR {
511 	U8 ReplyFlags;		/*0x00 */
512 	U8 MSIxIndex;		/*0x01 */
513 	U16 SMID;		/*0x02 */
514 	U16 TaskTag;		/*0x04 */
515 	U16 Reserved1;		/*0x06 */
516 } MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
517 	*PTR_MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
518 	Mpi2SCSIIOSuccessReplyDescriptor_t,
519 	*pMpi2SCSIIOSuccessReplyDescriptor_t;
520 
521 /*TargetAssist Success Reply Descriptor */
522 typedef struct _MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR {
523 	U8 ReplyFlags;		/*0x00 */
524 	U8 MSIxIndex;		/*0x01 */
525 	U16 SMID;		/*0x02 */
526 	U8 SequenceNumber;	/*0x04 */
527 	U8 Reserved1;		/*0x05 */
528 	U16 IoIndex;		/*0x06 */
529 } MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
530 	*PTR_MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
531 	Mpi2TargetAssistSuccessReplyDescriptor_t,
532 	*pMpi2TargetAssistSuccessReplyDescriptor_t;
533 
534 /*Target Command Buffer Reply Descriptor */
535 typedef struct _MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR {
536 	U8 ReplyFlags;		/*0x00 */
537 	U8 MSIxIndex;		/*0x01 */
538 	U8 VP_ID;		/*0x02 */
539 	U8 Flags;		/*0x03 */
540 	U16 InitiatorDevHandle;	/*0x04 */
541 	U16 IoIndex;		/*0x06 */
542 } MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
543 	*PTR_MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
544 	Mpi2TargetCommandBufferReplyDescriptor_t,
545 	*pMpi2TargetCommandBufferReplyDescriptor_t;
546 
547 /*defines for Flags field */
548 #define MPI2_RPY_DESCRIPT_TCB_FLAGS_PHYNUM_MASK     (0x3F)
549 
550 /*RAID Accelerator Success Reply Descriptor */
551 typedef struct _MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR {
552 	U8 ReplyFlags;		/*0x00 */
553 	U8 MSIxIndex;		/*0x01 */
554 	U16 SMID;		/*0x02 */
555 	U32 Reserved;		/*0x04 */
556 } MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
557 	*PTR_MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
558 	Mpi2RAIDAcceleratorSuccessReplyDescriptor_t,
559 	*pMpi2RAIDAcceleratorSuccessReplyDescriptor_t;
560 
561 /*Fast Path SCSI IO Success Reply Descriptor */
562 typedef MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR
563 	MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
564 	*PTR_MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
565 	Mpi25FastPathSCSIIOSuccessReplyDescriptor_t,
566 	*pMpi25FastPathSCSIIOSuccessReplyDescriptor_t;
567 
568 /*union of Reply Descriptors */
569 typedef union _MPI2_REPLY_DESCRIPTORS_UNION {
570 	MPI2_DEFAULT_REPLY_DESCRIPTOR Default;
571 	MPI2_ADDRESS_REPLY_DESCRIPTOR AddressReply;
572 	MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR SCSIIOSuccess;
573 	MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR TargetAssistSuccess;
574 	MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR TargetCommandBuffer;
575 	MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR RAIDAcceleratorSuccess;
576 	MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR FastPathSCSIIOSuccess;
577 	U64 Words;
578 } MPI2_REPLY_DESCRIPTORS_UNION,
579 	*PTR_MPI2_REPLY_DESCRIPTORS_UNION,
580 	Mpi2ReplyDescriptorsUnion_t,
581 	*pMpi2ReplyDescriptorsUnion_t;
582 
583 /*****************************************************************************
584 *
585 *       Message Functions
586 *
587 *****************************************************************************/
588 
589 #define MPI2_FUNCTION_SCSI_IO_REQUEST		    (0x00)
590 #define MPI2_FUNCTION_SCSI_TASK_MGMT		    (0x01)
591 #define MPI2_FUNCTION_IOC_INIT                      (0x02)
592 #define MPI2_FUNCTION_IOC_FACTS                     (0x03)
593 #define MPI2_FUNCTION_CONFIG                        (0x04)
594 #define MPI2_FUNCTION_PORT_FACTS                    (0x05)
595 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06)
596 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07)
597 #define MPI2_FUNCTION_EVENT_ACK                     (0x08)
598 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09)
599 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B)
600 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C)
601 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D)
602 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12)
603 #define MPI2_FUNCTION_RAID_ACTION                   (0x15)
604 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16)
605 #define MPI2_FUNCTION_TOOLBOX                       (0x17)
606 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18)
607 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A)
608 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B)
609 #define MPI2_FUNCTION_IO_UNIT_CONTROL               (0x1B)
610 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C)
611 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D)
612 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E)
613 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24)
614 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25)
615 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C)
616 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F)
617 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30)
618 #define MPI2_FUNCTION_SEND_HOST_MESSAGE             (0x31)
619 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0)
620 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF)
621 
622 /*Doorbell functions */
623 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
624 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
625 
626 /*****************************************************************************
627 *
628 *       IOC Status Values
629 *
630 *****************************************************************************/
631 
632 /*mask for IOCStatus status value */
633 #define MPI2_IOCSTATUS_MASK                     (0x7FFF)
634 
635 /****************************************************************************
636 * Common IOCStatus values for all replies
637 ****************************************************************************/
638 
639 #define MPI2_IOCSTATUS_SUCCESS                      (0x0000)
640 #define MPI2_IOCSTATUS_INVALID_FUNCTION             (0x0001)
641 #define MPI2_IOCSTATUS_BUSY                         (0x0002)
642 #define MPI2_IOCSTATUS_INVALID_SGL                  (0x0003)
643 #define MPI2_IOCSTATUS_INTERNAL_ERROR               (0x0004)
644 #define MPI2_IOCSTATUS_INVALID_VPID                 (0x0005)
645 #define MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES       (0x0006)
646 #define MPI2_IOCSTATUS_INVALID_FIELD                (0x0007)
647 #define MPI2_IOCSTATUS_INVALID_STATE                (0x0008)
648 #define MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED       (0x0009)
649 #define MPI2_IOCSTATUS_INSUFFICIENT_POWER           (0x000A)
650 
651 /****************************************************************************
652 * Config IOCStatus values
653 ****************************************************************************/
654 
655 #define MPI2_IOCSTATUS_CONFIG_INVALID_ACTION        (0x0020)
656 #define MPI2_IOCSTATUS_CONFIG_INVALID_TYPE          (0x0021)
657 #define MPI2_IOCSTATUS_CONFIG_INVALID_PAGE          (0x0022)
658 #define MPI2_IOCSTATUS_CONFIG_INVALID_DATA          (0x0023)
659 #define MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS           (0x0024)
660 #define MPI2_IOCSTATUS_CONFIG_CANT_COMMIT           (0x0025)
661 
662 /****************************************************************************
663 * SCSI IO Reply
664 ****************************************************************************/
665 
666 #define MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR         (0x0040)
667 #define MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE       (0x0042)
668 #define MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE        (0x0043)
669 #define MPI2_IOCSTATUS_SCSI_DATA_OVERRUN            (0x0044)
670 #define MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN           (0x0045)
671 #define MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR           (0x0046)
672 #define MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR          (0x0047)
673 #define MPI2_IOCSTATUS_SCSI_TASK_TERMINATED         (0x0048)
674 #define MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH       (0x0049)
675 #define MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED        (0x004A)
676 #define MPI2_IOCSTATUS_SCSI_IOC_TERMINATED          (0x004B)
677 #define MPI2_IOCSTATUS_SCSI_EXT_TERMINATED          (0x004C)
678 
679 /****************************************************************************
680 * For use by SCSI Initiator and SCSI Target end-to-end data protection
681 ****************************************************************************/
682 
683 #define MPI2_IOCSTATUS_EEDP_GUARD_ERROR             (0x004D)
684 #define MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR           (0x004E)
685 #define MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR           (0x004F)
686 
687 /****************************************************************************
688 * SCSI Target values
689 ****************************************************************************/
690 
691 #define MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX      (0x0062)
692 #define MPI2_IOCSTATUS_TARGET_ABORTED               (0x0063)
693 #define MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE     (0x0064)
694 #define MPI2_IOCSTATUS_TARGET_NO_CONNECTION         (0x0065)
695 #define MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH   (0x006A)
696 #define MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR     (0x006D)
697 #define MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA   (0x006E)
698 #define MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT          (0x006F)
699 #define MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT       (0x0070)
700 #define MPI2_IOCSTATUS_TARGET_NAK_RECEIVED          (0x0071)
701 
702 /****************************************************************************
703 * Serial Attached SCSI values
704 ****************************************************************************/
705 
706 #define MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED       (0x0090)
707 #define MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN         (0x0091)
708 
709 /****************************************************************************
710 * Diagnostic Buffer Post / Diagnostic Release values
711 ****************************************************************************/
712 
713 #define MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED          (0x00A0)
714 
715 /****************************************************************************
716 * RAID Accelerator values
717 ****************************************************************************/
718 
719 #define MPI2_IOCSTATUS_RAID_ACCEL_ERROR             (0x00B0)
720 
721 /****************************************************************************
722 * IOCStatus flag to indicate that log info is available
723 ****************************************************************************/
724 
725 #define MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE      (0x8000)
726 
727 /****************************************************************************
728 * IOCLogInfo Types
729 ****************************************************************************/
730 
731 #define MPI2_IOCLOGINFO_TYPE_MASK               (0xF0000000)
732 #define MPI2_IOCLOGINFO_TYPE_SHIFT              (28)
733 #define MPI2_IOCLOGINFO_TYPE_NONE               (0x0)
734 #define MPI2_IOCLOGINFO_TYPE_SCSI               (0x1)
735 #define MPI2_IOCLOGINFO_TYPE_FC                 (0x2)
736 #define MPI2_IOCLOGINFO_TYPE_SAS                (0x3)
737 #define MPI2_IOCLOGINFO_TYPE_ISCSI              (0x4)
738 #define MPI2_IOCLOGINFO_LOG_DATA_MASK           (0x0FFFFFFF)
739 
740 /*****************************************************************************
741 *
742 *       Standard Message Structures
743 *
744 *****************************************************************************/
745 
746 /****************************************************************************
747 *Request Message Header for all request messages
748 ****************************************************************************/
749 
750 typedef struct _MPI2_REQUEST_HEADER {
751 	U16 FunctionDependent1;	/*0x00 */
752 	U8 ChainOffset;		/*0x02 */
753 	U8 Function;		/*0x03 */
754 	U16 FunctionDependent2;	/*0x04 */
755 	U8 FunctionDependent3;	/*0x06 */
756 	U8 MsgFlags;		/*0x07 */
757 	U8 VP_ID;		/*0x08 */
758 	U8 VF_ID;		/*0x09 */
759 	U16 Reserved1;		/*0x0A */
760 } MPI2_REQUEST_HEADER, *PTR_MPI2_REQUEST_HEADER,
761 	MPI2RequestHeader_t, *pMPI2RequestHeader_t;
762 
763 /****************************************************************************
764 * Default Reply
765 ****************************************************************************/
766 
767 typedef struct _MPI2_DEFAULT_REPLY {
768 	U16 FunctionDependent1;	/*0x00 */
769 	U8 MsgLength;		/*0x02 */
770 	U8 Function;		/*0x03 */
771 	U16 FunctionDependent2;	/*0x04 */
772 	U8 FunctionDependent3;	/*0x06 */
773 	U8 MsgFlags;		/*0x07 */
774 	U8 VP_ID;		/*0x08 */
775 	U8 VF_ID;		/*0x09 */
776 	U16 Reserved1;		/*0x0A */
777 	U16 FunctionDependent5;	/*0x0C */
778 	U16 IOCStatus;		/*0x0E */
779 	U32 IOCLogInfo;		/*0x10 */
780 } MPI2_DEFAULT_REPLY, *PTR_MPI2_DEFAULT_REPLY,
781 	MPI2DefaultReply_t, *pMPI2DefaultReply_t;
782 
783 /*common version structure/union used in messages and configuration pages */
784 
785 typedef struct _MPI2_VERSION_STRUCT {
786 	U8 Dev;			/*0x00 */
787 	U8 Unit;		/*0x01 */
788 	U8 Minor;		/*0x02 */
789 	U8 Major;		/*0x03 */
790 } MPI2_VERSION_STRUCT;
791 
792 typedef union _MPI2_VERSION_UNION {
793 	MPI2_VERSION_STRUCT Struct;
794 	U32 Word;
795 } MPI2_VERSION_UNION;
796 
797 /*LUN field defines, common to many structures */
798 #define MPI2_LUN_FIRST_LEVEL_ADDRESSING             (0x0000FFFF)
799 #define MPI2_LUN_SECOND_LEVEL_ADDRESSING            (0xFFFF0000)
800 #define MPI2_LUN_THIRD_LEVEL_ADDRESSING             (0x0000FFFF)
801 #define MPI2_LUN_FOURTH_LEVEL_ADDRESSING            (0xFFFF0000)
802 #define MPI2_LUN_LEVEL_1_WORD                       (0xFF00)
803 #define MPI2_LUN_LEVEL_1_DWORD                      (0x0000FF00)
804 
805 /*****************************************************************************
806 *
807 *       Fusion-MPT MPI Scatter Gather Elements
808 *
809 *****************************************************************************/
810 
811 /****************************************************************************
812 * MPI Simple Element structures
813 ****************************************************************************/
814 
815 typedef struct _MPI2_SGE_SIMPLE32 {
816 	U32 FlagsLength;
817 	U32 Address;
818 } MPI2_SGE_SIMPLE32, *PTR_MPI2_SGE_SIMPLE32,
819 	Mpi2SGESimple32_t, *pMpi2SGESimple32_t;
820 
821 typedef struct _MPI2_SGE_SIMPLE64 {
822 	U32 FlagsLength;
823 	U64 Address;
824 } MPI2_SGE_SIMPLE64, *PTR_MPI2_SGE_SIMPLE64,
825 	Mpi2SGESimple64_t, *pMpi2SGESimple64_t;
826 
827 typedef struct _MPI2_SGE_SIMPLE_UNION {
828 	U32 FlagsLength;
829 	union {
830 		U32 Address32;
831 		U64 Address64;
832 	} u;
833 } MPI2_SGE_SIMPLE_UNION,
834 	*PTR_MPI2_SGE_SIMPLE_UNION,
835 	Mpi2SGESimpleUnion_t,
836 	*pMpi2SGESimpleUnion_t;
837 
838 /****************************************************************************
839 * MPI Chain Element structures - for MPI v2.0 products only
840 ****************************************************************************/
841 
842 typedef struct _MPI2_SGE_CHAIN32 {
843 	U16 Length;
844 	U8 NextChainOffset;
845 	U8 Flags;
846 	U32 Address;
847 } MPI2_SGE_CHAIN32, *PTR_MPI2_SGE_CHAIN32,
848 	Mpi2SGEChain32_t, *pMpi2SGEChain32_t;
849 
850 typedef struct _MPI2_SGE_CHAIN64 {
851 	U16 Length;
852 	U8 NextChainOffset;
853 	U8 Flags;
854 	U64 Address;
855 } MPI2_SGE_CHAIN64, *PTR_MPI2_SGE_CHAIN64,
856 	Mpi2SGEChain64_t, *pMpi2SGEChain64_t;
857 
858 typedef struct _MPI2_SGE_CHAIN_UNION {
859 	U16 Length;
860 	U8 NextChainOffset;
861 	U8 Flags;
862 	union {
863 		U32 Address32;
864 		U64 Address64;
865 	} u;
866 } MPI2_SGE_CHAIN_UNION,
867 	*PTR_MPI2_SGE_CHAIN_UNION,
868 	Mpi2SGEChainUnion_t,
869 	*pMpi2SGEChainUnion_t;
870 
871 /****************************************************************************
872 * MPI Transaction Context Element structures - for MPI v2.0 products only
873 ****************************************************************************/
874 
875 typedef struct _MPI2_SGE_TRANSACTION32 {
876 	U8 Reserved;
877 	U8 ContextSize;
878 	U8 DetailsLength;
879 	U8 Flags;
880 	U32 TransactionContext[1];
881 	U32 TransactionDetails[1];
882 } MPI2_SGE_TRANSACTION32,
883 	*PTR_MPI2_SGE_TRANSACTION32,
884 	Mpi2SGETransaction32_t,
885 	*pMpi2SGETransaction32_t;
886 
887 typedef struct _MPI2_SGE_TRANSACTION64 {
888 	U8 Reserved;
889 	U8 ContextSize;
890 	U8 DetailsLength;
891 	U8 Flags;
892 	U32 TransactionContext[2];
893 	U32 TransactionDetails[1];
894 } MPI2_SGE_TRANSACTION64,
895 	*PTR_MPI2_SGE_TRANSACTION64,
896 	Mpi2SGETransaction64_t,
897 	*pMpi2SGETransaction64_t;
898 
899 typedef struct _MPI2_SGE_TRANSACTION96 {
900 	U8 Reserved;
901 	U8 ContextSize;
902 	U8 DetailsLength;
903 	U8 Flags;
904 	U32 TransactionContext[3];
905 	U32 TransactionDetails[1];
906 } MPI2_SGE_TRANSACTION96, *PTR_MPI2_SGE_TRANSACTION96,
907 	Mpi2SGETransaction96_t, *pMpi2SGETransaction96_t;
908 
909 typedef struct _MPI2_SGE_TRANSACTION128 {
910 	U8 Reserved;
911 	U8 ContextSize;
912 	U8 DetailsLength;
913 	U8 Flags;
914 	U32 TransactionContext[4];
915 	U32 TransactionDetails[1];
916 } MPI2_SGE_TRANSACTION128, *PTR_MPI2_SGE_TRANSACTION128,
917 	Mpi2SGETransaction_t128, *pMpi2SGETransaction_t128;
918 
919 typedef struct _MPI2_SGE_TRANSACTION_UNION {
920 	U8 Reserved;
921 	U8 ContextSize;
922 	U8 DetailsLength;
923 	U8 Flags;
924 	union {
925 		U32 TransactionContext32[1];
926 		U32 TransactionContext64[2];
927 		U32 TransactionContext96[3];
928 		U32 TransactionContext128[4];
929 	} u;
930 	U32 TransactionDetails[1];
931 } MPI2_SGE_TRANSACTION_UNION,
932 	*PTR_MPI2_SGE_TRANSACTION_UNION,
933 	Mpi2SGETransactionUnion_t,
934 	*pMpi2SGETransactionUnion_t;
935 
936 /****************************************************************************
937 * MPI SGE union for IO SGL's - for MPI v2.0 products only
938 ****************************************************************************/
939 
940 typedef struct _MPI2_MPI_SGE_IO_UNION {
941 	union {
942 		MPI2_SGE_SIMPLE_UNION Simple;
943 		MPI2_SGE_CHAIN_UNION Chain;
944 	} u;
945 } MPI2_MPI_SGE_IO_UNION, *PTR_MPI2_MPI_SGE_IO_UNION,
946 	Mpi2MpiSGEIOUnion_t, *pMpi2MpiSGEIOUnion_t;
947 
948 /****************************************************************************
949 * MPI SGE union for SGL's with Simple and Transaction elements - for MPI v2.0 products only
950 ****************************************************************************/
951 
952 typedef struct _MPI2_SGE_TRANS_SIMPLE_UNION {
953 	union {
954 		MPI2_SGE_SIMPLE_UNION Simple;
955 		MPI2_SGE_TRANSACTION_UNION Transaction;
956 	} u;
957 } MPI2_SGE_TRANS_SIMPLE_UNION,
958 	*PTR_MPI2_SGE_TRANS_SIMPLE_UNION,
959 	Mpi2SGETransSimpleUnion_t,
960 	*pMpi2SGETransSimpleUnion_t;
961 
962 /****************************************************************************
963 * All MPI SGE types union
964 ****************************************************************************/
965 
966 typedef struct _MPI2_MPI_SGE_UNION {
967 	union {
968 		MPI2_SGE_SIMPLE_UNION Simple;
969 		MPI2_SGE_CHAIN_UNION Chain;
970 		MPI2_SGE_TRANSACTION_UNION Transaction;
971 	} u;
972 } MPI2_MPI_SGE_UNION, *PTR_MPI2_MPI_SGE_UNION,
973 	Mpi2MpiSgeUnion_t, *pMpi2MpiSgeUnion_t;
974 
975 /****************************************************************************
976 * MPI SGE field definition and masks
977 ****************************************************************************/
978 
979 /*Flags field bit definitions */
980 
981 #define MPI2_SGE_FLAGS_LAST_ELEMENT             (0x80)
982 #define MPI2_SGE_FLAGS_END_OF_BUFFER            (0x40)
983 #define MPI2_SGE_FLAGS_ELEMENT_TYPE_MASK        (0x30)
984 #define MPI2_SGE_FLAGS_LOCAL_ADDRESS            (0x08)
985 #define MPI2_SGE_FLAGS_DIRECTION                (0x04)
986 #define MPI2_SGE_FLAGS_ADDRESS_SIZE             (0x02)
987 #define MPI2_SGE_FLAGS_END_OF_LIST              (0x01)
988 
989 #define MPI2_SGE_FLAGS_SHIFT                    (24)
990 
991 #define MPI2_SGE_LENGTH_MASK                    (0x00FFFFFF)
992 #define MPI2_SGE_CHAIN_LENGTH_MASK              (0x0000FFFF)
993 
994 /*Element Type */
995 
996 #define MPI2_SGE_FLAGS_TRANSACTION_ELEMENT      (0x00)
997 #define MPI2_SGE_FLAGS_SIMPLE_ELEMENT           (0x10)
998 #define MPI2_SGE_FLAGS_CHAIN_ELEMENT            (0x30)
999 #define MPI2_SGE_FLAGS_ELEMENT_MASK             (0x30)
1000 
1001 /*Address location */
1002 
1003 #define MPI2_SGE_FLAGS_SYSTEM_ADDRESS           (0x00)
1004 
1005 /*Direction */
1006 
1007 #define MPI2_SGE_FLAGS_IOC_TO_HOST              (0x00)
1008 #define MPI2_SGE_FLAGS_HOST_TO_IOC              (0x04)
1009 
1010 #define MPI2_SGE_FLAGS_DEST (MPI2_SGE_FLAGS_IOC_TO_HOST)
1011 #define MPI2_SGE_FLAGS_SOURCE (MPI2_SGE_FLAGS_HOST_TO_IOC)
1012 
1013 /*Address Size */
1014 
1015 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
1016 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
1017 
1018 /*Context Size */
1019 
1020 #define MPI2_SGE_FLAGS_32_BIT_CONTEXT           (0x00)
1021 #define MPI2_SGE_FLAGS_64_BIT_CONTEXT           (0x02)
1022 #define MPI2_SGE_FLAGS_96_BIT_CONTEXT           (0x04)
1023 #define MPI2_SGE_FLAGS_128_BIT_CONTEXT          (0x06)
1024 
1025 #define MPI2_SGE_CHAIN_OFFSET_MASK              (0x00FF0000)
1026 #define MPI2_SGE_CHAIN_OFFSET_SHIFT             (16)
1027 
1028 /****************************************************************************
1029 * MPI SGE operation Macros
1030 ****************************************************************************/
1031 
1032 /*SIMPLE FlagsLength manipulations... */
1033 #define MPI2_SGE_SET_FLAGS(f) ((U32)(f) << MPI2_SGE_FLAGS_SHIFT)
1034 #define MPI2_SGE_GET_FLAGS(f) (((f) & ~MPI2_SGE_LENGTH_MASK) >> \
1035 					MPI2_SGE_FLAGS_SHIFT)
1036 #define MPI2_SGE_LENGTH(f) ((f) & MPI2_SGE_LENGTH_MASK)
1037 #define MPI2_SGE_CHAIN_LENGTH(f) ((f) & MPI2_SGE_CHAIN_LENGTH_MASK)
1038 
1039 #define MPI2_SGE_SET_FLAGS_LENGTH(f, l) (MPI2_SGE_SET_FLAGS(f) | \
1040 					MPI2_SGE_LENGTH(l))
1041 
1042 #define MPI2_pSGE_GET_FLAGS(psg) MPI2_SGE_GET_FLAGS((psg)->FlagsLength)
1043 #define MPI2_pSGE_GET_LENGTH(psg) MPI2_SGE_LENGTH((psg)->FlagsLength)
1044 #define MPI2_pSGE_SET_FLAGS_LENGTH(psg, f, l) ((psg)->FlagsLength = \
1045 					MPI2_SGE_SET_FLAGS_LENGTH(f, l))
1046 
1047 /*CAUTION - The following are READ-MODIFY-WRITE! */
1048 #define MPI2_pSGE_SET_FLAGS(psg, f) ((psg)->FlagsLength |= \
1049 					MPI2_SGE_SET_FLAGS(f))
1050 #define MPI2_pSGE_SET_LENGTH(psg, l) ((psg)->FlagsLength |= \
1051 					MPI2_SGE_LENGTH(l))
1052 
1053 #define MPI2_GET_CHAIN_OFFSET(x) ((x & MPI2_SGE_CHAIN_OFFSET_MASK) >> \
1054 					MPI2_SGE_CHAIN_OFFSET_SHIFT)
1055 
1056 /*****************************************************************************
1057 *
1058 *       Fusion-MPT IEEE Scatter Gather Elements
1059 *
1060 *****************************************************************************/
1061 
1062 /****************************************************************************
1063 * IEEE Simple Element structures
1064 ****************************************************************************/
1065 
1066 /*MPI2_IEEE_SGE_SIMPLE32 is for MPI v2.0 products only */
1067 typedef struct _MPI2_IEEE_SGE_SIMPLE32 {
1068 	U32 Address;
1069 	U32 FlagsLength;
1070 } MPI2_IEEE_SGE_SIMPLE32, *PTR_MPI2_IEEE_SGE_SIMPLE32,
1071 	Mpi2IeeeSgeSimple32_t, *pMpi2IeeeSgeSimple32_t;
1072 
1073 typedef struct _MPI2_IEEE_SGE_SIMPLE64 {
1074 	U64 Address;
1075 	U32 Length;
1076 	U16 Reserved1;
1077 	U8 Reserved2;
1078 	U8 Flags;
1079 } MPI2_IEEE_SGE_SIMPLE64, *PTR_MPI2_IEEE_SGE_SIMPLE64,
1080 	Mpi2IeeeSgeSimple64_t, *pMpi2IeeeSgeSimple64_t;
1081 
1082 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION {
1083 	MPI2_IEEE_SGE_SIMPLE32 Simple32;
1084 	MPI2_IEEE_SGE_SIMPLE64 Simple64;
1085 } MPI2_IEEE_SGE_SIMPLE_UNION,
1086 	*PTR_MPI2_IEEE_SGE_SIMPLE_UNION,
1087 	Mpi2IeeeSgeSimpleUnion_t,
1088 	*pMpi2IeeeSgeSimpleUnion_t;
1089 
1090 /****************************************************************************
1091 * IEEE Chain Element structures
1092 ****************************************************************************/
1093 
1094 /*MPI2_IEEE_SGE_CHAIN32 is for MPI v2.0 products only */
1095 typedef MPI2_IEEE_SGE_SIMPLE32 MPI2_IEEE_SGE_CHAIN32;
1096 
1097 /*MPI2_IEEE_SGE_CHAIN64 is for MPI v2.0 products only */
1098 typedef MPI2_IEEE_SGE_SIMPLE64 MPI2_IEEE_SGE_CHAIN64;
1099 
1100 typedef union _MPI2_IEEE_SGE_CHAIN_UNION {
1101 	MPI2_IEEE_SGE_CHAIN32 Chain32;
1102 	MPI2_IEEE_SGE_CHAIN64 Chain64;
1103 } MPI2_IEEE_SGE_CHAIN_UNION,
1104 	*PTR_MPI2_IEEE_SGE_CHAIN_UNION,
1105 	Mpi2IeeeSgeChainUnion_t,
1106 	*pMpi2IeeeSgeChainUnion_t;
1107 
1108 /*MPI25_IEEE_SGE_CHAIN64 is for MPI v2.5 and later */
1109 typedef struct _MPI25_IEEE_SGE_CHAIN64 {
1110 	U64 Address;
1111 	U32 Length;
1112 	U16 Reserved1;
1113 	U8 NextChainOffset;
1114 	U8 Flags;
1115 } MPI25_IEEE_SGE_CHAIN64,
1116 	*PTR_MPI25_IEEE_SGE_CHAIN64,
1117 	Mpi25IeeeSgeChain64_t,
1118 	*pMpi25IeeeSgeChain64_t;
1119 
1120 /****************************************************************************
1121 * All IEEE SGE types union
1122 ****************************************************************************/
1123 
1124 /*MPI2_IEEE_SGE_UNION is for MPI v2.0 products only */
1125 typedef struct _MPI2_IEEE_SGE_UNION {
1126 	union {
1127 		MPI2_IEEE_SGE_SIMPLE_UNION Simple;
1128 		MPI2_IEEE_SGE_CHAIN_UNION Chain;
1129 	} u;
1130 } MPI2_IEEE_SGE_UNION, *PTR_MPI2_IEEE_SGE_UNION,
1131 	Mpi2IeeeSgeUnion_t, *pMpi2IeeeSgeUnion_t;
1132 
1133 /****************************************************************************
1134 * IEEE SGE union for IO SGL's
1135 ****************************************************************************/
1136 
1137 typedef union _MPI25_SGE_IO_UNION {
1138 	MPI2_IEEE_SGE_SIMPLE64 IeeeSimple;
1139 	MPI25_IEEE_SGE_CHAIN64 IeeeChain;
1140 } MPI25_SGE_IO_UNION, *PTR_MPI25_SGE_IO_UNION,
1141 	Mpi25SGEIOUnion_t, *pMpi25SGEIOUnion_t;
1142 
1143 /****************************************************************************
1144 * IEEE SGE field definitions and masks
1145 ****************************************************************************/
1146 
1147 /*Flags field bit definitions */
1148 
1149 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1150 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
1151 
1152 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1153 
1154 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1155 
1156 /*Element Type */
1157 
1158 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1159 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1160 
1161 /*Next Segment Format */
1162 
1163 #define MPI26_IEEE_SGE_FLAGS_NSF_MASK           (0x1C)
1164 #define MPI26_IEEE_SGE_FLAGS_NSF_MPI_IEEE       (0x00)
1165 
1166 /*Data Location Address Space */
1167 
1168 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1169 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00)
1170 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01)
1171 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1172 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03)
1173 #define MPI2_IEEE_SGE_FLAGS_SYSTEMPLBPCI_ADDR   (0x03)
1174 #define MPI2_IEEE_SGE_FLAGS_SYSTEMPLBCPI_ADDR \
1175 	 (MPI2_IEEE_SGE_FLAGS_SYSTEMPLBPCI_ADDR)
1176 #define MPI26_IEEE_SGE_FLAGS_IOCCTL_ADDR        (0x02)
1177 
1178 /****************************************************************************
1179 * IEEE SGE operation Macros
1180 ****************************************************************************/
1181 
1182 /*SIMPLE FlagsLength manipulations... */
1183 #define MPI2_IEEE32_SGE_SET_FLAGS(f) ((U32)(f) << MPI2_IEEE32_SGE_FLAGS_SHIFT)
1184 #define MPI2_IEEE32_SGE_GET_FLAGS(f) (((f) & ~MPI2_IEEE32_SGE_LENGTH_MASK) \
1185 				 >> MPI2_IEEE32_SGE_FLAGS_SHIFT)
1186 #define MPI2_IEEE32_SGE_LENGTH(f)    ((f) & MPI2_IEEE32_SGE_LENGTH_MASK)
1187 
1188 #define MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f, l) (MPI2_IEEE32_SGE_SET_FLAGS(f) |\
1189 						 MPI2_IEEE32_SGE_LENGTH(l))
1190 
1191 #define MPI2_IEEE32_pSGE_GET_FLAGS(psg) \
1192 			MPI2_IEEE32_SGE_GET_FLAGS((psg)->FlagsLength)
1193 #define MPI2_IEEE32_pSGE_GET_LENGTH(psg) \
1194 			MPI2_IEEE32_SGE_LENGTH((psg)->FlagsLength)
1195 #define MPI2_IEEE32_pSGE_SET_FLAGS_LENGTH(psg, f, l) ((psg)->FlagsLength = \
1196 					MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f, l))
1197 
1198 /*CAUTION - The following are READ-MODIFY-WRITE! */
1199 #define MPI2_IEEE32_pSGE_SET_FLAGS(psg, f) ((psg)->FlagsLength |= \
1200 					MPI2_IEEE32_SGE_SET_FLAGS(f))
1201 #define MPI2_IEEE32_pSGE_SET_LENGTH(psg, l) ((psg)->FlagsLength |= \
1202 					MPI2_IEEE32_SGE_LENGTH(l))
1203 
1204 /*****************************************************************************
1205 *
1206 *       Fusion-MPT MPI/IEEE Scatter Gather Unions
1207 *
1208 *****************************************************************************/
1209 
1210 typedef union _MPI2_SIMPLE_SGE_UNION {
1211 	MPI2_SGE_SIMPLE_UNION MpiSimple;
1212 	MPI2_IEEE_SGE_SIMPLE_UNION IeeeSimple;
1213 } MPI2_SIMPLE_SGE_UNION, *PTR_MPI2_SIMPLE_SGE_UNION,
1214 	Mpi2SimpleSgeUntion_t, *pMpi2SimpleSgeUntion_t;
1215 
1216 typedef union _MPI2_SGE_IO_UNION {
1217 	MPI2_SGE_SIMPLE_UNION MpiSimple;
1218 	MPI2_SGE_CHAIN_UNION MpiChain;
1219 	MPI2_IEEE_SGE_SIMPLE_UNION IeeeSimple;
1220 	MPI2_IEEE_SGE_CHAIN_UNION IeeeChain;
1221 } MPI2_SGE_IO_UNION, *PTR_MPI2_SGE_IO_UNION,
1222 	Mpi2SGEIOUnion_t, *pMpi2SGEIOUnion_t;
1223 
1224 /****************************************************************************
1225 *
1226 * Values for SGLFlags field, used in many request messages with an SGL
1227 *
1228 ****************************************************************************/
1229 
1230 /*values for MPI SGL Data Location Address Space subfield */
1231 #define MPI2_SGLFLAGS_ADDRESS_SPACE_MASK            (0x0C)
1232 #define MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE          (0x00)
1233 #define MPI2_SGLFLAGS_IOCDDR_ADDRESS_SPACE          (0x04)
1234 #define MPI2_SGLFLAGS_IOCPLB_ADDRESS_SPACE          (0x08)
1235 #define MPI26_SGLFLAGS_IOCPLB_ADDRESS_SPACE         (0x08)
1236 #define MPI2_SGLFLAGS_IOCPLBNTA_ADDRESS_SPACE       (0x0C)
1237 /*values for SGL Type subfield */
1238 #define MPI2_SGLFLAGS_SGL_TYPE_MASK                 (0x03)
1239 #define MPI2_SGLFLAGS_SGL_TYPE_MPI                  (0x00)
1240 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE32               (0x01)
1241 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE64               (0x02)
1242 
1243 #endif
1244