xref: /freebsd/sys/dev/pms/RefTisa/discovery/dm/dminit.c (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
1 /*******************************************************************************
2 **
3 *Copyright (c) 2014 PMC-Sierra, Inc.  All rights reserved.
4 *
5 *Redistribution and use in source and binary forms, with or without modification, are permitted provided
6 *that the following conditions are met:
7 *1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
8 *following disclaimer.
9 *2. Redistributions in binary form must reproduce the above copyright notice,
10 *this list of conditions and the following disclaimer in the documentation and/or other materials provided
11 *with the distribution.
12 *
13 *THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED
14 *WARRANTIES,INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
15 *FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
16 *FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
17 *NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
18 *BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
19 *LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
20 *SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
21 
22 ********************************************************************************/
23 #include <sys/cdefs.h>
24 #include <dev/pms/config.h>
25 
26 #include <dev/pms/freebsd/driver/common/osenv.h>
27 #include <dev/pms/freebsd/driver/common/ostypes.h>
28 #include <dev/pms/freebsd/driver/common/osdebug.h>
29 
30 #include <dev/pms/RefTisa/sallsdk/api/sa.h>
31 #include <dev/pms/RefTisa/sallsdk/api/saapi.h>
32 #include <dev/pms/RefTisa/sallsdk/api/saosapi.h>
33 
34 #ifdef FDS_DM
35 #include <dev/pms/RefTisa/discovery/api/dm.h>
36 #include <dev/pms/RefTisa/discovery/api/dmapi.h>
37 #include <dev/pms/RefTisa/discovery/api/tddmapi.h>
38 
39 #include <dev/pms/RefTisa/discovery/dm/dmdefs.h>
40 #include <dev/pms/RefTisa/discovery/dm/dmtypes.h>
41 #include <dev/pms/RefTisa/discovery/dm/dmproto.h>
42 
43 #ifdef DM_DEBUG
44 bit32 gDMDebugLevel = 1;
45 #endif
46 
47 osGLOBAL void
48 dmGetRequirements(
49                   dmRoot_t 	  		*dmRoot,
50                   dmSwConfig_t			*swConfig,
51                   dmMemoryRequirement_t		*memoryRequirement,
52                   bit32 			*usecsPerTick,
53                   bit32				*maxNumLocks)
54 {
55   bit32               memoryReqCount = 0;
56   bit32               max_expander = DM_MAX_EXPANDER_DEV;
57   char    *buffer;
58   bit32   buffLen;
59   bit32   lenRecv = 0;
60   static char    tmpBuffer[DEFAULT_KEY_BUFFER_SIZE];
61   char    *pLastUsedChar = agNULL;
62   char    globalStr[]     = "Global";
63   char    iniParmsStr[]   = "InitiatorParms";
64   char    SwParmsStr[]    = "SWParms";
65 
66   DM_DBG3(("dmGetRequirements: start\n"));
67   /* sanity check */
68   DM_ASSERT((agNULL != swConfig), "");
69   DM_ASSERT((agNULL != memoryRequirement), "");
70   DM_ASSERT((agNULL != usecsPerTick), "");
71   DM_ASSERT((agNULL != maxNumLocks), "");
72 
73   /* memory requirement for dmRoot, CACHE memory */
74   memoryRequirement->dmMemory[DM_ROOT_MEM_INDEX].singleElementLength = sizeof(dmIntRoot_t);
75   memoryRequirement->dmMemory[DM_ROOT_MEM_INDEX].numElements = 1;
76   memoryRequirement->dmMemory[DM_ROOT_MEM_INDEX].totalLength =
77       (memoryRequirement->dmMemory[DM_ROOT_MEM_INDEX].singleElementLength) * (memoryRequirement->dmMemory[DM_ROOT_MEM_INDEX].numElements);
78   memoryRequirement->dmMemory[DM_ROOT_MEM_INDEX].alignment = 4;
79   memoryRequirement->dmMemory[DM_ROOT_MEM_INDEX].type = DM_CACHED_MEM;
80   memoryReqCount++;
81 
82   /* memory requirement for Port Context Links, CACHE memory */
83   memoryRequirement->dmMemory[DM_PORT_MEM_INDEX].singleElementLength = sizeof(dmIntPortContext_t);
84   memoryRequirement->dmMemory[DM_PORT_MEM_INDEX].numElements = DM_MAX_PORT_CONTEXT;
85   memoryRequirement->dmMemory[DM_PORT_MEM_INDEX].totalLength =
86       (memoryRequirement->dmMemory[DM_PORT_MEM_INDEX].singleElementLength) * (memoryRequirement->dmMemory[DM_PORT_MEM_INDEX].numElements);
87   memoryRequirement->dmMemory[DM_PORT_MEM_INDEX].alignment = 4;
88   memoryRequirement->dmMemory[DM_PORT_MEM_INDEX].type = DM_CACHED_MEM;
89   memoryReqCount++;
90 
91   /* memory requirement for Device Links, CACHE memory */
92   memoryRequirement->dmMemory[DM_DEVICE_MEM_INDEX].singleElementLength = sizeof(dmDeviceData_t);
93   memoryRequirement->dmMemory[DM_DEVICE_MEM_INDEX].numElements = DM_MAX_DEV;
94   memoryRequirement->dmMemory[DM_DEVICE_MEM_INDEX].totalLength =
95       (memoryRequirement->dmMemory[DM_DEVICE_MEM_INDEX].singleElementLength) * (memoryRequirement->dmMemory[DM_DEVICE_MEM_INDEX].numElements);
96   memoryRequirement->dmMemory[DM_DEVICE_MEM_INDEX].alignment = 4;
97   memoryRequirement->dmMemory[DM_DEVICE_MEM_INDEX].type = DM_CACHED_MEM;
98   memoryReqCount++;
99 
100   /* memory requirement for Expander Device Links, CACHE memory */
101   /*
102      Maximum number of expanders are configurable
103      The default is DM_MAX_EXPANDER_DEV
104   */
105   buffer = tmpBuffer;
106   buffLen = sizeof(tmpBuffer);
107 
108   dm_memset(buffer, 0, buffLen);
109   lenRecv = 0;
110 
111   if ((tddmGetTransportParam(
112                              dmRoot,
113                              globalStr,
114                              iniParmsStr,
115                              agNULL,
116                              agNULL,
117                              agNULL,
118                              agNULL,
119                              "MaxExpanders",
120                              buffer,
121                              buffLen,
122                              &lenRecv
123                              ) == DM_RC_SUCCESS) && (lenRecv != 0))
124   {
125     if (osti_strncmp(buffer, "0x", 2) == 0)
126     {
127       max_expander = osti_strtoul (buffer, &pLastUsedChar, 0);
128     }
129     else
130     {
131       max_expander = osti_strtoul (buffer, &pLastUsedChar, 10);
132     }
133   }
134   DM_DBG3(("dmGetRequirements: max_expander %d\n", max_expander));
135 
136 
137   memoryRequirement->dmMemory[DM_EXPANDER_MEM_INDEX].singleElementLength = sizeof(dmExpander_t);
138   memoryRequirement->dmMemory[DM_EXPANDER_MEM_INDEX].numElements = max_expander;
139   memoryRequirement->dmMemory[DM_EXPANDER_MEM_INDEX].totalLength =
140       (memoryRequirement->dmMemory[DM_EXPANDER_MEM_INDEX].singleElementLength) * (memoryRequirement->dmMemory[DM_EXPANDER_MEM_INDEX].numElements);
141   memoryRequirement->dmMemory[DM_EXPANDER_MEM_INDEX].alignment = 4;
142   memoryRequirement->dmMemory[DM_EXPANDER_MEM_INDEX].type = DM_CACHED_MEM;
143   memoryReqCount++;
144 
145   /* memory requirement for SMP command Links, CACHE memory */
146   memoryRequirement->dmMemory[DM_SMP_MEM_INDEX].singleElementLength = sizeof(dmSMPRequestBody_t);
147   memoryRequirement->dmMemory[DM_SMP_MEM_INDEX].numElements = DM_MAX_SMP;
148   memoryRequirement->dmMemory[DM_SMP_MEM_INDEX].totalLength =
149       (memoryRequirement->dmMemory[DM_SMP_MEM_INDEX].singleElementLength) * (memoryRequirement->dmMemory[DM_SMP_MEM_INDEX].numElements);
150   memoryRequirement->dmMemory[DM_SMP_MEM_INDEX].alignment = 4;
151   memoryRequirement->dmMemory[DM_SMP_MEM_INDEX].type = DM_CACHED_MEM;
152   memoryReqCount++;
153 
154   /* memory requirement for INDIRECT SMP command/response Links, DMA memory */
155   memoryRequirement->dmMemory[DM_INDIRECT_SMP_MEM_INDEX].singleElementLength = SMP_INDIRECT_PAYLOAD; /* 512 */
156   memoryRequirement->dmMemory[DM_INDIRECT_SMP_MEM_INDEX].numElements = DM_MAX_INDIRECT_SMP;
157   memoryRequirement->dmMemory[DM_INDIRECT_SMP_MEM_INDEX].totalLength =
158       (memoryRequirement->dmMemory[DM_INDIRECT_SMP_MEM_INDEX].singleElementLength) * (memoryRequirement->dmMemory[DM_INDIRECT_SMP_MEM_INDEX].numElements);
159   memoryRequirement->dmMemory[DM_INDIRECT_SMP_MEM_INDEX].alignment = 4;
160   memoryRequirement->dmMemory[DM_INDIRECT_SMP_MEM_INDEX].type = DM_DMA_MEM;
161   memoryReqCount++;
162 
163 
164   /* set up memory requirement count */
165   memoryRequirement->count = memoryReqCount;
166 
167   /* requirement for locks */
168   *maxNumLocks = DM_MAX_LOCKS;
169 
170   /* setup the time tick */
171   *usecsPerTick = DM_USECS_PER_TICK;
172 
173 
174   /* set up the number of Expander device handles */
175   swConfig->numDevHandles = DM_MAX_DEV;
176   swConfig->itNexusTimeout = IT_NEXUS_TIMEOUT;   /* default is 2000 ms*/
177 
178   dm_memset(buffer, 0, buffLen);
179   lenRecv = 0;
180 
181   if ((tddmGetTransportParam(
182                              dmRoot,
183                              globalStr,
184                              SwParmsStr,
185                              agNULL,
186                              agNULL,
187                              agNULL,
188                              agNULL,
189                              "IT_NEXUS_TIMEOUT",
190                              buffer,
191                              buffLen,
192                              &lenRecv
193                              ) == DM_RC_SUCCESS) && (lenRecv != 0))
194   {
195     if (osti_strncmp(buffer, "0x", 2) == 0)
196     {
197       swConfig->itNexusTimeout = osti_strtoul (buffer, &pLastUsedChar, 0);
198     }
199     else
200     {
201       swConfig->itNexusTimeout = osti_strtoul (buffer, &pLastUsedChar, 10);
202     }
203   }
204 
205   DM_DBG1(("dmGetRequirements: swConfig->itNexusTimeout 0x%X\n", swConfig->itNexusTimeout));
206 
207   DM_DBG3(("dmGetRequirements: memoryReqCount %d\n", memoryRequirement->count));
208 
209   return;
210 }
211 /*
212   ??? processing swConfig
213 */
214 osGLOBAL bit32
215 dmInitialize(
216              dmRoot_t			*dmRoot,
217              agsaRoot_t                 *agRoot,
218              dmMemoryRequirement_t	*memoryAllocated,
219              dmSwConfig_t		*swConfig,
220              bit32			usecsPerTick )
221 {
222   dmIntRoot_t               *dmIntRoot;
223   dmIntPortContext_t        *dmIntPortContext;
224   dmDeviceData_t            *dmDevice;
225   dmExpander_t              *dmExpander;
226   dmSMPRequestBody_t        *dmSMPRequest;
227   bit8                      *dmIndirectSMPRequest;
228   dmIntContext_t            *dmAllShared;
229   bit32              i;
230   bit32               max_expander = DM_MAX_EXPANDER_DEV;
231   char    *buffer;
232   bit32   buffLen;
233   bit32   lenRecv = 0;
234   static char    tmpBuffer[DEFAULT_KEY_BUFFER_SIZE];
235   char    *pLastUsedChar = agNULL;
236   char    globalStr[]     = "Global";
237   char    iniParmsStr[]   = "InitiatorParms";
238   char    SwParmsStr[]    = "SWParms";
239 
240   DM_DBG3(("dmInitialize: start\n"));
241   /* sanity check */
242   DM_ASSERT((agNULL != dmRoot), "");
243   DM_ASSERT((agNULL != agRoot), "");
244   DM_ASSERT((agNULL != memoryAllocated), "");
245   DM_ASSERT((agNULL != swConfig), "");
246   DM_ASSERT((DM_ROOT_MEM_INDEX < memoryAllocated->count), "");
247   DM_ASSERT((DM_PORT_MEM_INDEX < memoryAllocated->count), "");
248   DM_ASSERT((DM_DEVICE_MEM_INDEX < memoryAllocated->count), "");
249   DM_ASSERT((DM_EXPANDER_MEM_INDEX < memoryAllocated->count), "");
250   DM_ASSERT((DM_SMP_MEM_INDEX < memoryAllocated->count), "");
251   DM_ASSERT((DM_INDIRECT_SMP_MEM_INDEX < memoryAllocated->count), "");
252 
253   /* Check the memory allocated */
254   for ( i = 0; i < memoryAllocated->count; i ++ )
255   {
256     /* If memory allocatation failed  */
257     if (memoryAllocated->dmMemory[i].singleElementLength &&
258         memoryAllocated->dmMemory[i].numElements)
259     {
260       if ( (0 != memoryAllocated->dmMemory[i].numElements)
261           && (0 == memoryAllocated->dmMemory[i].totalLength) )
262       {
263         /* return failure */
264         DM_DBG1(("dmInitialize: Memory[%d]  singleElementLength = 0x%0x  numElements = 0x%x NOT allocated!!!\n",
265           i,
266           memoryAllocated->dmMemory[i].singleElementLength,
267           memoryAllocated->dmMemory[i].numElements));
268         return DM_RC_FAILURE;
269       }
270     }
271   }
272 
273   /* DM's internal root */
274   dmIntRoot  = (dmIntRoot_t *) (memoryAllocated->dmMemory[DM_ROOT_MEM_INDEX].virtPtr);
275   dmRoot->dmData = (void *) dmIntRoot;
276 
277   dmAllShared = (dmIntContext_t *)&(dmIntRoot->dmAllShared);
278   /**<  Initialize the TDM data part of the interrupt context */
279   dmAllShared->dmRootOsData.dmRoot     = dmRoot;
280   dmAllShared->dmRootOsData.dmAllShared   = (void *) dmAllShared;
281 
282   /* Port Contexts */
283   dmIntPortContext = (dmIntPortContext_t *) (memoryAllocated->dmMemory[DM_PORT_MEM_INDEX].virtPtr);
284   dmAllShared->PortContextMem = (dmIntPortContext_t *)dmIntPortContext;
285 
286   /* Devices */
287   dmDevice = (dmDeviceData_t *) (memoryAllocated->dmMemory[DM_DEVICE_MEM_INDEX].virtPtr);
288   dmAllShared->DeviceMem = (dmDeviceData_t *)dmDevice;
289 
290   /* Expanders */
291   dmExpander = (dmExpander_t *) (memoryAllocated->dmMemory[DM_EXPANDER_MEM_INDEX].virtPtr);
292   dmAllShared->ExpanderMem = (dmExpander_t *)dmExpander;
293 
294   /* SMP commands */
295   dmSMPRequest = (dmSMPRequestBody_t *) (memoryAllocated->dmMemory[DM_SMP_MEM_INDEX].virtPtr);
296   dmAllShared->SMPMem = (dmSMPRequestBody_t *)dmSMPRequest;
297 
298   /* DMAable SMP request/reponse pointed by dmSMPRequestBody_t */
299   dmIndirectSMPRequest = (bit8 *) (memoryAllocated->dmMemory[DM_INDIRECT_SMP_MEM_INDEX].virtPtr);
300   dmAllShared->IndirectSMPMem = (bit8 *)dmIndirectSMPRequest;
301   dmAllShared->IndirectSMPUpper32 = memoryAllocated->dmMemory[DM_INDIRECT_SMP_MEM_INDEX].physAddrUpper;
302   dmAllShared->IndirectSMPLower32 = memoryAllocated->dmMemory[DM_INDIRECT_SMP_MEM_INDEX].physAddrLower;
303 
304   dmAllShared->agRoot = agRoot;
305 
306 
307   dmAllShared->usecsPerTick = usecsPerTick;
308   dmAllShared->itNexusTimeout = IT_NEXUS_TIMEOUT;/*swConfig->itNexusTimeout;*/
309   dmAllShared->MaxRetryDiscovery = DISCOVERY_RETRIES;
310   dmAllShared->RateAdjust = 0;
311   /**< initializes timers */
312   dmInitTimers(dmRoot);
313 
314   /**< initializes port contexts */
315   dmPortContextInit(dmRoot);
316 
317   /**< initializes devices */
318   dmDeviceDataInit(dmRoot);
319 
320   /**< initializes expander devices */
321   buffer = tmpBuffer;
322   buffLen = sizeof(tmpBuffer);
323 
324   dm_memset(buffer, 0, buffLen);
325   lenRecv = 0;
326 
327   if ((tddmGetTransportParam(
328                              dmRoot,
329                              globalStr,
330                              iniParmsStr,
331                              agNULL,
332                              agNULL,
333                              agNULL,
334                              agNULL,
335                              "MaxExpanders",
336                              buffer,
337                              buffLen,
338                              &lenRecv
339                              ) == DM_RC_SUCCESS) && (lenRecv != 0))
340   {
341     if (osti_strncmp(buffer, "0x", 2) == 0)
342     {
343       max_expander = osti_strtoul (buffer, &pLastUsedChar, 0);
344     }
345     else
346     {
347       max_expander = osti_strtoul (buffer, &pLastUsedChar, 10);
348     }
349   }
350 
351   dm_memset(buffer, 0, buffLen);
352   lenRecv = 0;
353 
354   if ((tddmGetTransportParam(
355                              dmRoot,
356                              globalStr,
357                              SwParmsStr,
358                              agNULL,
359                              agNULL,
360                              agNULL,
361                              agNULL,
362                              "IT_NEXUS_TIMEOUT",
363                              buffer,
364                              buffLen,
365                              &lenRecv
366                              ) == DM_RC_SUCCESS) && (lenRecv != 0))
367   {
368     if (osti_strncmp(buffer, "0x", 2) == 0)
369     {
370       dmAllShared->itNexusTimeout = osti_strtoul (buffer, &pLastUsedChar, 0);
371     }
372     else
373     {
374       dmAllShared->itNexusTimeout = osti_strtoul (buffer, &pLastUsedChar, 10);
375     }
376   }
377 
378   DM_DBG1(("dmAllShared->itNexusTimeout %d \n", dmAllShared->itNexusTimeout));
379 
380   dm_memset(buffer, 0, buffLen);
381   lenRecv = 0;
382 
383   if ((tddmGetTransportParam(
384                              dmRoot,
385                              globalStr,
386                              SwParmsStr,
387                              agNULL,
388                              agNULL,
389                              agNULL,
390                              agNULL,
391                              "MaxRetryDiscovery",
392                              buffer,
393                              buffLen,
394                              &lenRecv
395                              ) == DM_RC_SUCCESS) && (lenRecv != 0))
396   {
397     if (osti_strncmp(buffer, "0x", 2) == 0)
398     {
399       dmAllShared->MaxRetryDiscovery = osti_strtoul (buffer, &pLastUsedChar, 0);
400     }
401     else
402     {
403       dmAllShared->MaxRetryDiscovery = osti_strtoul (buffer, &pLastUsedChar, 10);
404     }
405   }
406 
407   DM_DBG1(("dmAllShared->MaxRetryDiscovery %d \n", dmAllShared->MaxRetryDiscovery));
408 
409   dm_memset(buffer, 0, buffLen);
410   lenRecv = 0;
411   if ((tddmGetTransportParam(
412                              dmRoot,
413                              globalStr,
414                              SwParmsStr,
415                              agNULL,
416                              agNULL,
417                              agNULL,
418                              agNULL,
419                              "RateAdjust",
420                              buffer,
421                              buffLen,
422                              &lenRecv
423                              ) == DM_RC_SUCCESS) && (lenRecv != 0))
424   {
425     if (osti_strncmp(buffer, "0x", 2) == 0)
426     {
427       dmAllShared->RateAdjust = osti_strtoul (buffer, &pLastUsedChar, 0);
428     }
429     else
430     {
431       dmAllShared->RateAdjust = osti_strtoul (buffer, &pLastUsedChar, 10);
432     }
433   }
434   DM_DBG1(("dmAllShared->RateAdjust %d \n", dmAllShared->RateAdjust));
435 
436   dmExpanderDeviceDataInit(dmRoot, max_expander);
437 
438   /**< initializes SMP commands */
439   dmSMPInit(dmRoot);
440 
441 #ifdef DM_DEBUG
442   gDMDebugLevel = swConfig->DMDebugLevel;
443 #endif
444   return DM_RC_SUCCESS;
445 }
446 
447 osGLOBAL void
448 dmSMPInit(
449           dmRoot_t *dmRoot
450          )
451 {
452   dmIntRoot_t               *dmIntRoot    = (dmIntRoot_t *)dmRoot->dmData;
453   dmIntContext_t            *dmAllShared = (dmIntContext_t *)&dmIntRoot->dmAllShared;
454   dmSMPRequestBody_t        *dmSMPCommand = (dmSMPRequestBody_t *)dmAllShared->SMPMem;
455   bit8                      *dmIndirectSMPReqRsp = (bit8 *)dmAllShared->IndirectSMPMem;
456   bit32                     prev_PhysAddrLower;
457 
458   int i = 0;
459   DM_DBG3(("dmSMPInit: start \n"));
460 
461   DMLIST_INIT_HDR(&(dmAllShared->freeSMPList));
462 
463   for(i=0;i<DM_MAX_SMP;i++)
464   {
465     DMLIST_INIT_ELEMENT(&(dmSMPCommand[i].Link));
466     /* initialize expander fields */
467     dmSMPCommand[i].dmRoot = agNULL;
468     dmSMPCommand[i].dmDevice = agNULL;
469     dmSMPCommand[i].dmPortContext = agNULL;
470     dmSMPCommand[i].retries = 0;
471     dmSMPCommand[i].id = i;
472     dm_memset( &(dmSMPCommand[i].smpPayload), 0, sizeof(dmSMPCommand[i].smpPayload));
473     /* indirect SMP related */
474     dmSMPCommand[i].IndirectSMPResponse = agNULL;
475     dmSMPCommand[i].IndirectSMP = ((bit8 *)dmIndirectSMPReqRsp) + (i*SMP_INDIRECT_PAYLOAD);
476     dmSMPCommand[i].IndirectSMPUpper32 = dmAllShared->IndirectSMPUpper32;
477     dmSMPCommand[i].IndirectSMPLower32 = dmAllShared->IndirectSMPLower32;
478 
479     prev_PhysAddrLower = dmAllShared->IndirectSMPLower32;
480     dmAllShared->IndirectSMPLower32 = dmAllShared->IndirectSMPLower32 + SMP_INDIRECT_PAYLOAD;
481     if (dmAllShared->IndirectSMPLower32 <= prev_PhysAddrLower)
482     {
483       dmAllShared->IndirectSMPUpper32++;
484     }
485 
486     DMLIST_ENQUEUE_AT_TAIL(&(dmSMPCommand[i].Link), &(dmAllShared->freeSMPList));
487   }
488   return;
489 
490 }
491 
492 osGLOBAL void
493 dmDeviceDataInit(
494                  dmRoot_t *dmRoot
495                 )
496 {
497   dmIntRoot_t               *dmIntRoot    = (dmIntRoot_t *)dmRoot->dmData;
498   dmIntContext_t            *dmAllShared = (dmIntContext_t *)&dmIntRoot->dmAllShared;
499   dmDeviceData_t            *dmDeviceData = (dmDeviceData_t *)dmAllShared->DeviceMem;
500   int i;
501 
502   DM_DBG3(("dmDeviceDataInit: start \n"));
503 
504   DMLIST_INIT_HDR(&(dmAllShared->MainDeviceList));
505   DMLIST_INIT_HDR(&(dmAllShared->FreeDeviceList));
506 
507   for(i=0;i<DM_MAX_DEV;i++)
508   {
509     DMLIST_INIT_ELEMENT(&(dmDeviceData[i].FreeLink));
510     DMLIST_INIT_ELEMENT(&(dmDeviceData[i].MainLink));
511     DMLIST_INIT_ELEMENT(&(dmDeviceData[i].IncDisLink));
512     dmDeviceData[i].id = i;
513     dmDeviceData[i].DeviceType = DM_DEFAULT_DEVICE;
514     dmDeviceData[i].dmRoot = agNULL;
515 //    dmDeviceData[i].agDevHandle = agNULL;
516 
517     dmDeviceData[i].dmPortContext = agNULL;
518     dmDeviceData[i].dmExpander = agNULL;
519     dmDeviceData[i].ExpDevice = agNULL;
520     dmDeviceData[i].phyID = 0xFF;
521     dmDeviceData[i].SASAddressID.sasAddressHi = 0;
522     dmDeviceData[i].SASAddressID.sasAddressLo = 0;
523     dmDeviceData[i].valid = agFALSE;
524     dmDeviceData[i].valid2 = agFALSE;
525     dmDeviceData[i].processed = agFALSE;
526     dmDeviceData[i].initiator_ssp_stp_smp = 0;
527     dmDeviceData[i].target_ssp_stp_smp = 0;
528     dmDeviceData[i].numOfPhys = 0;
529 //    dmDeviceData[i].registered = agFALSE;
530     dmDeviceData[i].directlyAttached = agFALSE;
531     dmDeviceData[i].SASSpecDeviceType = 0xFF;
532     dmDeviceData[i].IOStart = 0;
533     dmDeviceData[i].IOResponse = 0;
534     dmDeviceData[i].agDeviceResetContext.osData = agNULL;
535     dmDeviceData[i].agDeviceResetContext.sdkData = agNULL;
536     dmDeviceData[i].TRflag = agFALSE;
537     dmDeviceData[i].ResetCnt = 0;
538     dmDeviceData[i].registered = agFALSE;
539     dmDeviceData[i].reported = agFALSE;
540 
541     dmDeviceData[i].MCN = 0;
542     dmDeviceData[i].MCNDone = agFALSE;
543     dmDeviceData[i].PrevMCN = 0;
544 
545     dm_memset( &(dmDeviceData[i].dmDeviceInfo), 0, sizeof(dmDeviceInfo_t));
546     /* some other variables */
547     DMLIST_ENQUEUE_AT_TAIL(&(dmDeviceData[i].FreeLink), &(dmAllShared->FreeDeviceList));
548   }
549 
550   return;
551 }
552 osGLOBAL void
553 dmDeviceDataReInit(
554                    dmRoot_t		  *dmRoot,
555                    dmDeviceData_t         *oneDeviceData
556                   )
557 {
558   DM_DBG3(("dmDeviceDataReInit: start \n"));
559 
560   oneDeviceData->DeviceType = DM_DEFAULT_DEVICE;
561 //  oneDeviceData->agDevHandle = agNULL;
562 
563   oneDeviceData->dmPortContext = agNULL;
564   oneDeviceData->dmExpander = agNULL;
565   oneDeviceData->ExpDevice = agNULL;
566   oneDeviceData->phyID = 0xFF;
567   oneDeviceData->SASAddressID.sasAddressHi = 0;
568   oneDeviceData->SASAddressID.sasAddressLo = 0;
569   oneDeviceData->valid = agFALSE;
570   oneDeviceData->valid2 = agFALSE;
571   oneDeviceData->processed = agFALSE;
572   oneDeviceData->initiator_ssp_stp_smp = 0;
573   oneDeviceData->target_ssp_stp_smp = 0;
574   oneDeviceData->numOfPhys = 0;
575 //  oneDeviceData->registered = agFALSE;
576   oneDeviceData->directlyAttached = agFALSE;
577   oneDeviceData->SASSpecDeviceType = 0xFF;
578   oneDeviceData->IOStart = 0;
579   oneDeviceData->IOResponse = 0;
580   oneDeviceData->agDeviceResetContext.osData = agNULL;
581   oneDeviceData->agDeviceResetContext.sdkData = agNULL;
582   oneDeviceData->TRflag = agFALSE;
583   oneDeviceData->ResetCnt = 0;
584   oneDeviceData->registered = agFALSE;
585   oneDeviceData->reported = agFALSE;
586 
587   oneDeviceData->MCN = 0;
588   oneDeviceData->MCNDone = agFALSE;
589   oneDeviceData->PrevMCN = 0;
590 
591   dm_memset( &(oneDeviceData->dmDeviceInfo), 0, sizeof(dmDeviceInfo_t));
592 
593   return;
594 }
595 
596 
597 osGLOBAL void
598 dmExpanderDeviceDataInit(
599                          dmRoot_t *dmRoot,
600                          bit32    max_exp
601                         )
602 {
603   dmIntRoot_t               *dmIntRoot    = (dmIntRoot_t *)dmRoot->dmData;
604   dmIntContext_t            *dmAllShared = (dmIntContext_t *)&dmIntRoot->dmAllShared;
605   dmExpander_t              *dmExpData = (dmExpander_t *)dmAllShared->ExpanderMem;
606   bit32 i = 0;
607   DM_DBG3(("dmExpanderDeviceDataInit: start \n"));
608 
609   DMLIST_INIT_HDR(&(dmAllShared->freeExpanderList));
610   DMLIST_INIT_HDR(&(dmAllShared->mainExpanderList));
611 
612   for(i=0;i<max_exp;i++)
613   {
614     DMLIST_INIT_ELEMENT(&(dmExpData[i].linkNode));
615     DMLIST_INIT_ELEMENT(&(dmExpData[i].upNode));
616     /* initialize expander fields */
617     dmExpData[i].dmRoot = agNULL;
618     dmExpData[i].agDevHandle = agNULL;
619     dmExpData[i].dmDevice = agNULL;
620     dmExpData[i].dmUpStreamExpander = agNULL;
621     dmExpData[i].dmCurrentDownStreamExpander = agNULL;
622     dmExpData[i].hasUpStreamDevice = agFALSE;
623     dmExpData[i].numOfUpStreamPhys = 0;
624     dmExpData[i].currentUpStreamPhyIndex = 0;
625     dmExpData[i].numOfDownStreamPhys = 0;
626     dmExpData[i].currentDownStreamPhyIndex = 0;
627     dmExpData[i].discoveringPhyId = 0;
628     dmExpData[i].underDiscovering = agFALSE;
629     dmExpData[i].id = i;
630     DM_DBG3(("dmExpanderDeviceDataInit: exp id %d\n", i));
631 
632     dmExpData[i].dmReturnginExpander = agNULL;
633     dmExpData[i].discoverSMPAllowed = agTRUE;
634     dm_memset( &(dmExpData[i].currentIndex), 0, sizeof(dmExpData[i].currentIndex));
635     dm_memset( &(dmExpData[i].upStreamPhys), 0, sizeof(dmExpData[i].upStreamPhys));
636     dm_memset( &(dmExpData[i].downStreamPhys), 0, sizeof(dmExpData[i].downStreamPhys));
637     dm_memset( &(dmExpData[i].routingAttribute), 0, sizeof(dmExpData[i].routingAttribute));
638     dmExpData[i].configSASAddrTableIndex = 0;
639     dm_memset( &(dmExpData[i].configSASAddressHiTable), 0, sizeof(dmExpData[i].configSASAddressHiTable));
640     dm_memset( &(dmExpData[i].configSASAddressLoTable), 0, sizeof(dmExpData[i].configSASAddressLoTable));
641     dmExpData[i].SAS2 = 0;  /* default is SAS 1.1 spec */
642     dmExpData[i].TTTSupported = agFALSE;  /* Table to Table is supported */
643     dmExpData[i].UndoDueToTTTSupported = agFALSE;
644 
645 
646     DMLIST_ENQUEUE_AT_TAIL(&(dmExpData[i].linkNode), &(dmAllShared->freeExpanderList));
647   }
648   return;
649 }
650 
651 /* re-intialize an expander */
652 osGLOBAL void
653 dmExpanderDeviceDataReInit(
654                            dmRoot_t         *dmRoot,
655                            dmExpander_t     *oneExpander
656                           )
657 {
658   DM_DBG3(("dmExpanderDeviceDataReInit: start \n"));
659   oneExpander->dmRoot = agNULL;
660   oneExpander->agDevHandle = agNULL;
661   oneExpander->dmDevice = agNULL;
662   oneExpander->dmUpStreamExpander = agNULL;
663   oneExpander->dmCurrentDownStreamExpander = agNULL;
664   oneExpander->hasUpStreamDevice = agFALSE;
665   oneExpander->numOfUpStreamPhys = 0;
666   oneExpander->currentUpStreamPhyIndex = 0;
667   oneExpander->numOfDownStreamPhys = 0;
668   oneExpander->currentDownStreamPhyIndex = 0;
669   oneExpander->discoveringPhyId = 0;
670   oneExpander->underDiscovering = agFALSE;
671   oneExpander->dmReturnginExpander = agNULL;
672   oneExpander->discoverSMPAllowed = agTRUE;
673   dm_memset( &(oneExpander->currentIndex), 0, sizeof(oneExpander->currentIndex));
674   dm_memset( &(oneExpander->upStreamPhys), 0, sizeof(oneExpander->upStreamPhys));
675   dm_memset( &(oneExpander->downStreamPhys), 0, sizeof(oneExpander->downStreamPhys));
676   dm_memset( &(oneExpander->routingAttribute), 0, sizeof(oneExpander->routingAttribute));
677   oneExpander->configSASAddrTableIndex = 0;
678   dm_memset( &(oneExpander->configSASAddressHiTable), 0, sizeof(oneExpander->configSASAddressHiTable));
679   dm_memset( &(oneExpander->configSASAddressLoTable), 0, sizeof(oneExpander->configSASAddressLoTable));
680   oneExpander->SAS2 = 0;  /* default is SAS 1.1 spec */
681   oneExpander->TTTSupported = agFALSE;  /* Table to Table is supported */
682   oneExpander->UndoDueToTTTSupported = agFALSE;
683 
684   return;
685 }
686 
687 osGLOBAL void
688 dmPortContextInit(
689                   dmRoot_t *dmRoot
690                  )
691 {
692   dmIntRoot_t               *dmIntRoot    = (dmIntRoot_t *)dmRoot->dmData;
693   dmIntContext_t            *dmAllShared = (dmIntContext_t *)&dmIntRoot->dmAllShared;
694   dmIntPortContext_t        *dmPortContext = (dmIntPortContext_t *)dmAllShared->PortContextMem;
695   int i = 0;
696 #ifdef TBD
697   int j = 0;
698 #endif
699 
700   DM_DBG3(("dmPortContextInit: start \n"));
701 
702   DMLIST_INIT_HDR(&(dmAllShared->MainPortContextList));
703   DMLIST_INIT_HDR(&(dmAllShared->FreePortContextList));
704   for(i=0;i<DM_MAX_PORT_CONTEXT;i++)
705   {
706     DMLIST_INIT_ELEMENT(&(dmPortContext[i].FreeLink));
707     DMLIST_INIT_ELEMENT(&(dmPortContext[i].MainLink));
708 
709     DMLIST_INIT_HDR(&(dmPortContext[i].discovery.discoveringExpanderList));
710     DMLIST_INIT_HDR(&(dmPortContext[i].discovery.UpdiscoveringExpanderList));
711     dmPortContext[i].discovery.type = DM_DISCOVERY_OPTION_FULL_START;
712     dmInitTimerRequest(dmRoot, &(dmPortContext[i].discovery.discoveryTimer));
713     dmInitTimerRequest(dmRoot, &(dmPortContext[i].discovery.configureRouteTimer));
714     dmInitTimerRequest(dmRoot, &(dmPortContext[i].discovery.deviceRegistrationTimer));
715     dmInitTimerRequest(dmRoot, &(dmPortContext[i].discovery.SMPBusyTimer));
716     dmInitTimerRequest(dmRoot, &(dmPortContext[i].discovery.BCTimer));
717     dmInitTimerRequest(dmRoot, &(dmPortContext[i].discovery.DiscoverySMPTimer));
718     dmPortContext[i].discovery.retries = 0;
719     dmPortContext[i].discovery.configureRouteRetries = 0;
720     dmPortContext[i].discovery.deviceRetistrationRetries = 0;
721     dmPortContext[i].discovery.pendingSMP = 0;
722     dmPortContext[i].discovery.SeenBC = agFALSE;
723     dmPortContext[i].discovery.forcedOK = agFALSE;
724     dmPortContext[i].discovery.SMPRetries = 0;
725     dmPortContext[i].discovery.DeferredError = agFALSE;
726     dmPortContext[i].discovery.ConfiguresOthers = agFALSE;
727     dmPortContext[i].discovery.ResetTriggerred = agFALSE;
728 
729 #ifdef INITIATOR_DRIVER
730     dmPortContext[i].DiscoveryState = DM_DSTATE_NOT_STARTED;
731     dmPortContext[i].DiscoveryAbortInProgress = agFALSE;
732     dmPortContext[i].directAttatchedSAS = agFALSE;
733     dmPortContext[i].DiscoveryRdyGiven = agFALSE;
734     dmPortContext[i].SeenLinkUp = agFALSE;
735 
736 #endif
737     dmPortContext[i].id = i;
738 #ifdef TBD
739     dmPortContext[i].agPortContext = agNULL;
740 #endif
741     dmPortContext[i].LinkRate = 0;
742     dmPortContext[i].Count = 0;
743     dmPortContext[i].valid = agFALSE;
744     dmPortContext[i].RegFailed = agFALSE;
745 
746 #ifdef TBD
747     for (j=0;j<DM_MAX_NUM_PHYS;j++)
748     {
749       dmPortContext[i].PhyIDList[j] = agFALSE;
750     }
751 #endif
752     dmPortContext[i].RegisteredDevNums = 0;
753     dmPortContext[i].eventPhyID = 0xFF;
754     dmPortContext[i].Transient = agFALSE;
755 
756     /* add more variables later */
757     DMLIST_ENQUEUE_AT_TAIL(&(dmPortContext[i].FreeLink), &(dmAllShared->FreePortContextList));
758   }
759 
760 #ifdef DM_INTERNAL_DEBUG  /* for debugging only */
761   for(i=0;i<DM_MAX_PORT_CONTEXT;i++)
762   {
763     DM_DBG6(("dmPortContextInit: index %d  &tdsaPortContext[] %p\n", i, &(dmPortContext[i])));
764   }
765   DM_DBG6(("dmPortContextInit: sizeof(tdsaPortContext_t) %d 0x%x\n", sizeof(dmIntPortContext_t), sizeof(dmIntPortContext_t)));
766 #endif
767 
768   return;
769 }
770 
771 osGLOBAL void
772 dmPortContextReInit(
773                     dmRoot_t		  *dmRoot,
774                     dmIntPortContext_t    *onePortContext
775                     )
776 {
777   dmDiscovery_t   *discovery;
778 
779   DM_DBG3(("dmPortContextReInit: start \n"));
780 
781   discovery = &(onePortContext->discovery);
782 
783   onePortContext->discovery.type = DM_DISCOVERY_OPTION_FULL_START;
784   onePortContext->discovery.retries = 0;
785   onePortContext->discovery.configureRouteRetries = 0;
786   onePortContext->discovery.deviceRetistrationRetries = 0;
787   onePortContext->discovery.pendingSMP = 0;
788   onePortContext->discovery.SeenBC = agFALSE;
789   onePortContext->discovery.forcedOK = agFALSE;
790   onePortContext->discovery.SMPRetries = 0;
791   onePortContext->discovery.DeferredError = agFALSE;
792   onePortContext->discovery.ConfiguresOthers = agFALSE;
793   onePortContext->discovery.ResetTriggerred = agFALSE;
794 
795   /* free expander lists */
796   dmCleanAllExp(dmRoot, onePortContext);
797 
798   /* kill the discovery-related timers if they are running */
799   tddmSingleThreadedEnter(dmRoot, DM_TIMER_LOCK);
800   if (discovery->discoveryTimer.timerRunning == agTRUE)
801   {
802     tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
803     dmKillTimer(
804                 dmRoot,
805                 &discovery->discoveryTimer
806                );
807   }
808   else
809   {
810     tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
811   }
812 
813 
814   tddmSingleThreadedEnter(dmRoot, DM_TIMER_LOCK);
815   if (discovery->configureRouteTimer.timerRunning == agTRUE)
816   {
817     tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
818     dmKillTimer(
819                 dmRoot,
820                 &discovery->configureRouteTimer
821                );
822   }
823   else
824   {
825     tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
826   }
827 
828 
829   tddmSingleThreadedEnter(dmRoot, DM_TIMER_LOCK);
830   if (discovery->deviceRegistrationTimer.timerRunning == agTRUE)
831   {
832     tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
833     dmKillTimer(
834                 dmRoot,
835                 &discovery->deviceRegistrationTimer
836                );
837   }
838   else
839   {
840     tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
841   }
842 
843 
844   tddmSingleThreadedEnter(dmRoot, DM_TIMER_LOCK);
845   if (discovery->BCTimer.timerRunning == agTRUE)
846   {
847     tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
848     dmKillTimer(
849                 dmRoot,
850                 &discovery->BCTimer
851                );
852   }
853   else
854   {
855     tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
856   }
857 
858 
859   tddmSingleThreadedEnter(dmRoot, DM_TIMER_LOCK);
860   if (discovery->SMPBusyTimer.timerRunning == agTRUE)
861   {
862     tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
863     dmKillTimer(
864                 dmRoot,
865                 &discovery->SMPBusyTimer
866                );
867   }
868   else
869   {
870     tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
871   }
872 
873 
874   tddmSingleThreadedEnter(dmRoot, DM_TIMER_LOCK);
875   if (discovery->DiscoverySMPTimer.timerRunning == agTRUE)
876   {
877     tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
878     dmKillTimer(
879                 dmRoot,
880                 &discovery->DiscoverySMPTimer
881                );
882   }
883   else
884   {
885     tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
886   }
887 
888   onePortContext->DiscoveryState = DM_DSTATE_NOT_STARTED;
889   onePortContext->DiscoveryAbortInProgress = agFALSE;
890   onePortContext->directAttatchedSAS = agFALSE;
891   onePortContext->DiscoveryRdyGiven = agFALSE;
892   onePortContext->SeenLinkUp = agFALSE;
893 
894   onePortContext->dmPortContext->dmData = agNULL;
895   onePortContext->dmPortContext = agNULL;
896   onePortContext->dmRoot = agNULL;
897 
898   onePortContext->LinkRate = 0;
899   onePortContext->Count = 0;
900   onePortContext->valid = agFALSE;
901   onePortContext->RegisteredDevNums = 0;
902   onePortContext->eventPhyID = 0xFF;
903   onePortContext->Transient = agFALSE;
904 
905   return;
906 }
907 
908 
909 osGLOBAL void
910 dmInitTimers(
911                dmRoot_t *dmRoot
912                )
913 {
914   dmIntRoot_t               *dmIntRoot    = (dmIntRoot_t *)dmRoot->dmData;
915   dmIntContext_t            *dmAllShared = (dmIntContext_t *)&dmIntRoot->dmAllShared;
916 
917 #ifdef DM_DEBUG_ENABLE
918   dmIntPortContext_t *dmPortContext = (dmIntPortContext_t *)dmAllShared->PortContextMem;
919 
920   DM_DBG6(("dmInitTimers: start \n"));
921   DM_DBG6(("dmInitTimers: ******* tdsaRoot %p \n", dmIntRoot));
922   DM_DBG6(("dmInitTimers: ******* tdsaPortContext %p \n",dmPortContext));
923 #endif
924 
925   /* initialize the timerlist */
926   DMLIST_INIT_HDR(&(dmAllShared->timerlist));
927 
928   return;
929 }
930 #endif /* FDS_ DM */
931 
932 
933