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 following disclaimer.
8 *2. Redistributions in binary form must reproduce the above copyright notice,
9 *this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
10 *
11 *THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
12 *
13 *INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
14 *ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
15 *SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
16 *OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
17 *WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
18 *THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
19 **
20 *******************************************************************************/
21
22 #include <sys/cdefs.h>
23 __FBSDID("$FreeBSD$");
24 #include <dev/pms/config.h>
25
26 #define MAJOR_REVISION 1
27 #define MINOR_REVISION 3
28 #define BUILD_REVISION 10800
29
30 #include <sys/param.h> // defines used in kernel.h
31 #include <sys/ioccom.h>
32 #include <sys/module.h>
33 #include <sys/systm.h>
34 #include <sys/errno.h>
35 #include <sys/kernel.h> // types used in module initialization
36 #include <sys/conf.h> // cdevsw struct
37 #include <sys/uio.h> // uio struct
38 #include <sys/types.h>
39 #include <sys/malloc.h>
40 #include <sys/bus.h> // structs, prototypes for pci bus stuff
41 #include <machine/bus.h>
42 #include <sys/rman.h>
43 #include <machine/resource.h>
44 #include <vm/vm.h> // 1. for vtophys
45 #include <vm/pmap.h> // 2. for vtophys
46 #include <dev/pci/pcivar.h> // For pci_get macros
47 #include <dev/pci/pcireg.h>
48 #include <sys/endian.h>
49 #include <sys/lock.h>
50 #include <sys/mutex.h>
51 #include <sys/sema.h>
52 #include <sys/queue.h>
53 #include <sys/taskqueue.h>
54 #include <machine/atomic.h>
55 #include <sys/libkern.h>
56 #include <cam/cam.h>
57 #include <cam/cam_ccb.h>
58 #include <cam/cam_debug.h>
59 #include <cam/cam_periph.h> //
60 #include <cam/cam_sim.h>
61 #include <cam/cam_xpt_sim.h>
62 #include <cam/scsi/scsi_all.h>
63 #include <cam/scsi/scsi_message.h>
64 #include <sys/systm.h>
65 #include <sys/types.h>
66 #include <dev/pms/RefTisa/tisa/api/tiapi.h>
67 #include <dev/pms/freebsd/driver/ini/src/agtiapi.h>
68 #include <dev/pms/freebsd/driver/ini/src/agtiproto.h>
69 #include <dev/pms/RefTisa/tisa/api/ostiapi.h>
70 #include <dev/pms/RefTisa/tisa/sassata/common/tdsatypes.h>
71 #include <dev/pms/freebsd/driver/common/lxencrypt.h>
72
73 MALLOC_DEFINE( M_PMC_MCCB, "CCB List", "CCB List for PMCS driver" );
74
75 MALLOC_DEFINE( M_PMC_MSTL, "STLock malloc",
76 "allocated in agtiapi_attach as memory for lock use" );
77 MALLOC_DEFINE( M_PMC_MDVT, "ag_device_t malloc",
78 "allocated in agtiapi_attach as mem for ag_device_t pDevList" );
79 MALLOC_DEFINE( M_PMC_MPRT, "ag_portal_data_t malloc",
80 "allocated in agtiapi_attach as mem for *pPortalData" );
81 MALLOC_DEFINE( M_PMC_MDEV, "tiDeviceHandle_t * malloc",
82 "allocated in agtiapi_GetDevHandle as local mem for **agDev" );
83 MALLOC_DEFINE( M_PMC_MFLG, "lDevFlags * malloc",
84 "allocated in agtiapi_GetDevHandle as local mem for * flags" );
85 #ifdef LINUX_PERBI_SUPPORT
86 MALLOC_DEFINE( M_PMC_MSLR, "ag_slr_map_t malloc",
87 "mem allocated in agtiapi_attach for pSLRList" );
88 MALLOC_DEFINE( M_PMC_MTGT, "ag_tgt_map_t malloc",
89 "mem allocated in agtiapi_attach for pWWNList" );
90 #endif
91 MALLOC_DEFINE(TEMP,"tempbuff","buffer for payload");
92 MALLOC_DEFINE(TEMP2, "tempbuff", "buffer for agtiapi_getdevlist");
93 STATIC U32 agtiapi_intx_mode = 0;
94 STATIC U08 ag_Perbi = 0;
95 STATIC U32 agtiapi_polling_mode = 0;
96 STATIC U32 ag_card_good = 0; // * total card initialized
97 STATIC U32 ag_option_flag = 0; // * adjustable parameter flag
98 STATIC U32 agtiapi_1st_time = 1;
99 STATIC U32 ag_timeout_secs = 10; //Made timeout equivalent to linux
100
101 U32 gTiDebugLevel = 1;
102 S32 ag_encryption_enable = 0;
103 atomic_t outstanding_encrypted_io_count;
104
105 #define cache_line_size() CACHE_LINE_SIZE
106
107 #define PMCoffsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
108
109 #define CPU_TO_LE32(dst, src) \
110 dst.lower = htole32(LOW_32_BITS(src)); \
111 dst.upper = htole32(HIGH_32_BITS(src))
112
113 #define CMND_TO_CHANNEL( ccb ) ( ccb->ccb_h.path_id )
114 #define CMND_TO_TARGET( ccb ) ( ccb->ccb_h.target_id )
115 #define CMND_TO_LUN( ccb ) ( ccb->ccb_h.target_lun )
116
117 STATIC U08 agtiapi_AddrModes[AGTIAPI_MAX_CHANNEL_NUM + 1] =
118 { AGTIAPI_PERIPHERAL };
119
120 #ifdef LINUX_PERBI_SUPPORT
121 // Holding area for target-WWN mapping assignments on the boot line
122 static ag_mapping_t *agMappingList = NULL; // modified by agtiapi_Setup()
123 #endif
124
125 // * For Debugging Purpose
126 #ifdef AGTIAPI_DEBUG
127 #define AGTIAPI_WWN(name, len) wwnprintk(name, len)
128 #else
129 #define AGTIAPI_WWN(name, len)
130 #endif
131
132
133 #define AGTIAPI_WWNPRINTK(name, len, format, a...) \
134 AGTIAPI_PRINTK(format "name ", a); \
135 AGTIAPI_WWN((unsigned char*)name, len);
136
137 #define AGTIAPI_ERR_WWNPRINTK(name, len, format, a...) \
138 printk(KERN_DEBUG format "name ", ## a); \
139 wwnprintk((unsigned char*)name, len);
140 #define AGTIAPI_CPY_DEV_INFO(root, dev, pDev) \
141 tiINIGetDeviceInfo(root, dev, &pDev->devInfo); \
142 wwncpy(pDev);
143
144 #ifdef AGTIAPI_LOCAL_LOCK
145
146 #define AG_CARD_LOCAL_LOCK(lock) ,(lock)
147 #define AG_SPIN_LOCK_IRQ(lock, flags)
148 #define AG_SPIN_UNLOCK_IRQ(lock, flags)
149 #define AG_SPIN_LOCK(lock)
150 #define AG_SPIN_UNLOCK(lock)
151 #define AG_GLOBAL_ARG(arg)
152 #define AG_PERF_SPINLOCK(lock)
153 #define AG_PERF_SPINLOCK_IRQ(lock, flags)
154
155
156 #define AG_LOCAL_LOCK(lock) if (lock) \
157 mtx_lock(lock)
158 #define AG_LOCAL_UNLOCK(lock) if (lock) \
159 mtx_unlock(lock)
160 #define AG_LOCAL_FLAGS(_flags) unsigned long _flags = 0
161 #endif
162
163
164 #define AG_GET_DONE_PCCB(pccb, pmcsc) \
165 { \
166 AG_LOCAL_LOCK(&pmcsc->doneLock); \
167 pccb = pmcsc->ccbDoneHead; \
168 if (pccb != NULL) \
169 { \
170 pmcsc->ccbDoneHead = NULL; \
171 pmcsc->ccbDoneTail = NULL; \
172 AG_LOCAL_UNLOCK(&pmcsc->doneLock); \
173 agtiapi_Done(pmcsc, pccb); \
174 } \
175 else \
176 AG_LOCAL_UNLOCK(&pmcsc->doneLock); \
177 }
178
179 #define AG_GET_DONE_SMP_PCCB(pccb, pmcsc) \
180 { \
181 AG_LOCAL_LOCK(&pmcsc->doneSMPLock); \
182 pccb = pmcsc->smpDoneHead; \
183 if (pccb != NULL) \
184 { \
185 pmcsc->smpDoneHead = NULL; \
186 pmcsc->smpDoneTail = NULL; \
187 AG_LOCAL_UNLOCK(&pmcsc->doneSMPLock); \
188 agtiapi_SMPDone(pmcsc, pccb); \
189 } \
190 else \
191 AG_LOCAL_UNLOCK(&pmcsc->doneSMPLock); \
192 }
193
194 #ifdef AGTIAPI_DUMP_IO_DEBUG
195 #define AG_IO_DUMPCCB(pccb) agtiapi_DumpCCB(pccb)
196 #else
197 #define AG_IO_DUMPCCB(pccb)
198 #endif
199
200 #define SCHED_DELAY_JIFFIES 4 /* in seconds */
201
202 #ifdef HOTPLUG_SUPPORT
203 #define AG_HOTPLUG_LOCK_INIT(lock) mxt_init(lock)
204 #define AG_LIST_LOCK(lock) mtx_lock(lock)
205 #define AG_LIST_UNLOCK(lock) mtx_unlock(lock)
206 #else
207 #define AG_HOTPLUG_LOCK_INIT(lock)
208 #define AG_LIST_LOCK(lock)
209 #define AG_LIST_UNLOCK(lock)
210 #endif
211
212 STATIC void agtiapi_CheckIOTimeout(void *data);
213
214
215
216 static ag_card_info_t agCardInfoList[ AGTIAPI_MAX_CARDS ]; // card info list
217 static void agtiapi_cam_action( struct cam_sim *, union ccb * );
218 static void agtiapi_cam_poll( struct cam_sim * );
219
220 // Function prototypes
221 static d_open_t agtiapi_open;
222 static d_close_t agtiapi_close;
223 static d_read_t agtiapi_read;
224 static d_write_t agtiapi_write;
225 static d_ioctl_t agtiapi_CharIoctl;
226 static void agtiapi_async(void *callback_arg, u_int32_t code,
227 struct cam_path *path, void *arg);
228 void agtiapi_adjust_queue_depth(struct cam_path *path, bit32 QueueDepth);
229
230 // Character device entry points
231 static struct cdevsw agtiapi_cdevsw = {
232 .d_version = D_VERSION,
233 .d_open = agtiapi_open,
234 .d_close = agtiapi_close,
235 .d_read = agtiapi_read,
236 .d_write = agtiapi_write,
237 .d_ioctl = agtiapi_CharIoctl,
238 .d_name = "pmspcv",
239 };
240
241 U32 maxTargets = 0;
242 U32 ag_portal_count = 0;
243
244 // In the cdevsw routines, we find our softc by using the si_drv1 member
245 // of struct cdev. We set this variable to point to our softc in our
246 // attach routine when we create the /dev entry.
247
agtiapi_open(struct cdev * dev,int oflags,int devtype,struct thread * td)248 int agtiapi_open( struct cdev *dev, int oflags, int devtype, struct thread *td )
249 {
250 struct agtiapi_softc *sc;
251 /* Look up our softc. */
252 sc = dev->si_drv1;
253 AGTIAPI_PRINTK("agtiapi_open\n");
254 AGTIAPI_PRINTK("Opened successfully. sc->my_dev %p\n", sc->my_dev);
255 return( 0 );
256 }
257
agtiapi_close(struct cdev * dev,int fflag,int devtype,struct thread * td)258 int agtiapi_close( struct cdev *dev, int fflag, int devtype, struct thread *td )
259 {
260 struct agtiapi_softc *sc;
261 // Look up our softc
262 sc = dev->si_drv1;
263 AGTIAPI_PRINTK("agtiapi_close\n");
264 AGTIAPI_PRINTK("Closed. sc->my_dev %p\n", sc->my_dev);
265 return( 0 );
266 }
267
agtiapi_read(struct cdev * dev,struct uio * uio,int ioflag)268 int agtiapi_read( struct cdev *dev, struct uio *uio, int ioflag )
269 {
270 struct agtiapi_softc *sc;
271 // Look up our softc
272 sc = dev->si_drv1;
273 AGTIAPI_PRINTK( "agtiapi_read\n" );
274 AGTIAPI_PRINTK( "Asked to read %lu bytes. sc->my_dev %p\n",
275 uio->uio_resid, sc->my_dev );
276 return( 0 );
277 }
278
agtiapi_write(struct cdev * dev,struct uio * uio,int ioflag)279 int agtiapi_write( struct cdev *dev, struct uio *uio, int ioflag )
280 {
281 struct agtiapi_softc *sc;
282 // Look up our softc
283 sc = dev->si_drv1;
284 AGTIAPI_PRINTK( "agtiapi_write\n" );
285 AGTIAPI_PRINTK( "Asked to write %lu bytes. sc->my_dev %p\n",
286 uio->uio_resid, sc->my_dev );
287 return( 0 );
288 }
289
agtiapi_getdevlist(struct agtiapi_softc * pCard,tiIOCTLPayload_t * agIOCTLPayload)290 int agtiapi_getdevlist( struct agtiapi_softc *pCard,
291 tiIOCTLPayload_t *agIOCTLPayload )
292 {
293 tdDeviceListPayload_t *pIoctlPayload =
294 (tdDeviceListPayload_t *) agIOCTLPayload->FunctionSpecificArea;
295 tdDeviceInfoIOCTL_t *pDeviceInfo = NULL;
296 bit8 *pDeviceInfoOrg;
297 tdsaDeviceData_t *pDeviceData = NULL;
298 tiDeviceHandle_t **devList = NULL;
299 tiDeviceHandle_t **devHandleArray = NULL;
300 tiDeviceHandle_t *pDeviceHandle = NULL;
301 bit32 x, memNeeded1;
302 bit32 count, total;
303 bit32 MaxDeviceCount;
304 bit32 ret_val=IOCTL_CALL_INVALID_CODE;
305 ag_portal_data_t *pPortalData;
306 bit8 *pDeviceHandleList = NULL;
307 AGTIAPI_PRINTK( "agtiapi_getdevlist: Enter\n" );
308
309 pDeviceInfoOrg = pIoctlPayload -> pDeviceInfo;
310 MaxDeviceCount = pCard->devDiscover;
311 if (MaxDeviceCount > pIoctlPayload->deviceLength )
312 {
313 AGTIAPI_PRINTK( "agtiapi_getdevlist: MaxDeviceCount: %d > Requested device length: %d\n", MaxDeviceCount, pIoctlPayload->deviceLength );
314 MaxDeviceCount = pIoctlPayload->deviceLength;
315 ret_val = IOCTL_CALL_FAIL;
316 }
317 AGTIAPI_PRINTK( "agtiapi_getdevlist: MaxDeviceCount: %d > Requested device length: %d\n", MaxDeviceCount, pIoctlPayload->deviceLength );
318 memNeeded1 = AG_ALIGNSIZE( MaxDeviceCount * sizeof(tiDeviceHandle_t *),
319 sizeof(void *) );
320 AGTIAPI_PRINTK("agtiapi_getdevlist: portCount %d\n", pCard->portCount);
321 devList = malloc(memNeeded1, TEMP2, M_WAITOK);
322 if (devList == NULL)
323 {
324 AGTIAPI_PRINTK("agtiapi_getdevlist: failed to allocate memory\n");
325 ret_val = IOCTL_CALL_FAIL;
326 agIOCTLPayload->Status = IOCTL_ERR_STATUS_INTERNAL_ERROR;
327 return ret_val;
328 }
329 osti_memset(devList, 0, memNeeded1);
330 pPortalData = &pCard->pPortalData[0];
331 pDeviceHandleList = (bit8*)devList;
332 for (total = x = 0; x < pCard->portCount; x++, pPortalData++)
333 {
334 count = tiINIGetDeviceHandlesForWinIOCTL(&pCard->tiRoot,
335 &pPortalData->portalInfo.tiPortalContext,
336 ( tiDeviceHandle_t **)pDeviceHandleList ,MaxDeviceCount );
337 if (count == DISCOVERY_IN_PROGRESS)
338 {
339 AGTIAPI_PRINTK( "agtiapi_getdevlist: DISCOVERY_IN_PROGRESS on "
340 "portal %d\n", x );
341 free(devList, TEMP2);
342 ret_val = IOCTL_CALL_FAIL;
343 agIOCTLPayload->Status = IOCTL_ERR_STATUS_INTERNAL_ERROR;
344 return ret_val;
345 }
346 total += count;
347 pDeviceHandleList+= count*sizeof(tiDeviceHandle_t *);
348 MaxDeviceCount-= count;
349 }
350 if (total > pIoctlPayload->deviceLength)
351 {
352 total = pIoctlPayload->deviceLength;
353 }
354 // dump device information from device handle list
355 count = 0;
356
357 devHandleArray = devList;
358 for (x = 0; x < pCard->devDiscover; x++)
359 {
360 pDeviceHandle = (tiDeviceHandle_t*)devHandleArray[x];
361 if (devList[x] != agNULL)
362 {
363 pDeviceData = devList [x]->tdData;
364
365 pDeviceInfo = (tdDeviceInfoIOCTL_t*)(pDeviceInfoOrg + sizeof(tdDeviceInfoIOCTL_t) * count);
366 if (pDeviceData != agNULL && pDeviceInfo != agNULL)
367 {
368 osti_memcpy( &pDeviceInfo->sasAddressHi,
369 pDeviceData->agDeviceInfo.sasAddressHi,
370 sizeof(bit32) );
371 osti_memcpy( &pDeviceInfo->sasAddressLo,
372 pDeviceData->agDeviceInfo.sasAddressLo,
373 sizeof(bit32) );
374 #if 0
375 pDeviceInfo->sasAddressHi =
376 DMA_BEBIT32_TO_BIT32( pDeviceInfo->sasAddressHi );
377 pDeviceInfo->sasAddressLo =
378 DMA_BEBIT32_TO_BIT32( pDeviceInfo->sasAddressLo );
379 #endif
380
381 pDeviceInfo->deviceType =
382 ( pDeviceData->agDeviceInfo.devType_S_Rate & 0x30 ) >> 4;
383 pDeviceInfo->linkRate =
384 pDeviceData->agDeviceInfo.devType_S_Rate & 0x0F;
385 pDeviceInfo->phyId = pDeviceData->phyID;
386 pDeviceInfo->ishost = pDeviceData->target_ssp_stp_smp;
387 pDeviceInfo->DeviceHandle= (unsigned long)pDeviceHandle;
388 if(pDeviceInfo->deviceType == 0x02)
389 {
390 bit8 *sasAddressHi;
391 bit8 *sasAddressLo;
392 tiIniGetDirectSataSasAddr(&pCard->tiRoot, pDeviceData->phyID, &sasAddressHi, &sasAddressLo);
393 pDeviceInfo->sasAddressHi = DMA_BEBIT32_TO_BIT32(*(bit32*)sasAddressHi);
394 pDeviceInfo->sasAddressLo = DMA_BEBIT32_TO_BIT32(*(bit32*)sasAddressLo) + pDeviceData->phyID + 16;
395 }
396 else
397 {
398 pDeviceInfo->sasAddressHi =
399 DMA_BEBIT32_TO_BIT32( pDeviceInfo->sasAddressHi );
400 pDeviceInfo->sasAddressLo =
401 DMA_BEBIT32_TO_BIT32( pDeviceInfo->sasAddressLo );
402 }
403
404 AGTIAPI_PRINTK( "agtiapi_getdevlist: devicetype %x\n",
405 pDeviceInfo->deviceType );
406 AGTIAPI_PRINTK( "agtiapi_getdevlist: linkrate %x\n",
407 pDeviceInfo->linkRate );
408 AGTIAPI_PRINTK( "agtiapi_getdevlist: phyID %x\n",
409 pDeviceInfo->phyId );
410 AGTIAPI_PRINTK( "agtiapi_getdevlist: addresshi %x\n",
411 pDeviceInfo->sasAddressHi );
412 AGTIAPI_PRINTK( "agtiapi_getdevlist: addresslo %x\n",
413 pDeviceInfo->sasAddressHi );
414 }
415 else
416 {
417 AGTIAPI_PRINTK( "agtiapi_getdevlist: pDeviceData %p or pDeviceInfo "
418 "%p is NULL %d\n", pDeviceData, pDeviceInfo, x );
419 }
420 count++;
421 }
422 }
423 pIoctlPayload->realDeviceCount = count;
424 AGTIAPI_PRINTK( "agtiapi_getdevlist: Exit RealDeviceCount = %d\n", count );
425 if (devList)
426 {
427 free(devList, TEMP2);
428 }
429 if(ret_val != IOCTL_CALL_FAIL)
430 {
431 ret_val = IOCTL_CALL_SUCCESS;
432 }
433 agIOCTLPayload->Status = IOCTL_ERR_STATUS_OK;
434 return ret_val;
435 }
436
437 /******************************************************************************
438 agtiapi_getCardInfo()
439
440 Purpose:
441 This function retrives the Card information
442 Parameters:
443
444 Return:
445 A number - error
446 0 - HBA has been detected
447 Note:
448 ******************************************************************************/
agtiapi_getCardInfo(struct agtiapi_softc * pCard,U32_64 size,void * buffer)449 int agtiapi_getCardInfo ( struct agtiapi_softc *pCard,
450 U32_64 size,
451 void *buffer )
452 {
453 CardInfo_t *pCardInfo;
454
455 pCardInfo = (CardInfo_t *)buffer;
456
457 pCardInfo->deviceId = pci_get_device(pCard->my_dev);
458 pCardInfo->vendorId =pci_get_vendor(pCard->my_dev) ;
459 memcpy( pCardInfo->pciMemBaseSpc,
460 pCard->pCardInfo->pciMemBaseSpc,
461 ((sizeof(U32_64))*PCI_NUMBER_BARS) );
462 pCardInfo->deviceNum = pci_get_slot(pCard->my_dev);
463 pCardInfo->pciMemBase = pCard->pCardInfo->pciMemBase;
464 pCardInfo->pciIOAddrLow = pCard->pCardInfo->pciIOAddrLow;
465 pCardInfo->pciIOAddrUp = pCard->pCardInfo->pciIOAddrUp;
466 pCardInfo->busNum =pci_get_bus(pCard->my_dev);
467 return 0;
468 }
469
agtiapi_adjust_queue_depth(struct cam_path * path,bit32 QueueDepth)470 void agtiapi_adjust_queue_depth(struct cam_path *path, bit32 QueueDepth)
471 {
472 struct ccb_relsim crs;
473 xpt_setup_ccb(&crs.ccb_h, path, 5);
474 crs.ccb_h.func_code = XPT_REL_SIMQ;
475 crs.ccb_h.flags = CAM_DEV_QFREEZE;
476 crs.release_flags = RELSIM_ADJUST_OPENINGS;
477 crs.openings = QueueDepth;
478 xpt_action((union ccb *)&crs);
479 if(crs.ccb_h.status != CAM_REQ_CMP) {
480 printf("XPT_REL_SIMQ failed\n");
481 }
482 }
483 static void
agtiapi_async(void * callback_arg,u_int32_t code,struct cam_path * path,void * arg)484 agtiapi_async(void *callback_arg, u_int32_t code,
485 struct cam_path *path, void *arg)
486 {
487 struct agtiapi_softc *pmsc;
488 U32 TID;
489 ag_device_t *targ;
490 pmsc = (struct agtiapi_softc*)callback_arg;
491 switch (code) {
492 case AC_FOUND_DEVICE:
493 {
494 struct ccb_getdev *cgd;
495 cgd = (struct ccb_getdev *)arg;
496 if (cgd == NULL) {
497 break;
498 }
499 TID = cgd->ccb_h.target_id;
500 if (TID >= 0 && TID < maxTargets){
501 if (pmsc != NULL){
502 TID = INDEX(pmsc, TID);
503 targ = &pmsc->pDevList[TID];
504 agtiapi_adjust_queue_depth(path, targ->qdepth);
505 }
506 }
507 break;
508 }
509 default:
510 break;
511 }
512 }
513 /******************************************************************************
514 agtiapi_CharIoctl()
515
516 Purpose:
517 This function handles the ioctl from application layer
518 Parameters:
519
520 Return:
521 A number - error
522 0 - HBA has been detected
523 Note:
524 ******************************************************************************/
agtiapi_CharIoctl(struct cdev * dev,u_long cmd,caddr_t data,int fflag,struct thread * td)525 static int agtiapi_CharIoctl( struct cdev *dev,
526 u_long cmd,
527 caddr_t data,
528 int fflag,
529 struct thread *td )
530 {
531 struct sema mx;
532 datatosend *load; // structure defined in lxcommon.h
533 tiIOCTLPayload_t *pIoctlPayload;
534 struct agtiapi_softc *pCard;
535 pCard=dev->si_drv1;
536 U32 status = 0;
537 U32 retValue;
538 int err = 0;
539 int error = 0;
540 tdDeviceListPayload_t *pDeviceList = NULL;
541 unsigned long flags;
542
543 switch (cmd)
544 {
545 case AGTIAPI_IOCTL:
546 load=(datatosend*)data;
547 pIoctlPayload = malloc(load->datasize,TEMP,M_WAITOK);
548 AGTIAPI_PRINTK( "agtiapi_CharIoctl: old load->datasize = %d\n", load->datasize );
549 //Copy payload to kernel buffer, on success it returns 0
550 err = copyin(load->data,pIoctlPayload,load->datasize);
551 if (err)
552 {
553 status = IOCTL_CALL_FAIL;
554 return status;
555 }
556 sema_init(&mx,0,"sem");
557 pCard->pIoctlSem =&mx;
558 pCard->up_count = pCard->down_count = 0;
559 if ( pIoctlPayload->MajorFunction == IOCTL_MJ_GET_DEVICE_LIST )
560 {
561 retValue = agtiapi_getdevlist(pCard, pIoctlPayload);
562 if (retValue == 0)
563 {
564 pIoctlPayload->Status = IOCTL_CALL_SUCCESS;
565 status = IOCTL_CALL_SUCCESS;
566 }
567 else
568 {
569 pIoctlPayload->Status = IOCTL_CALL_FAIL;
570 status = IOCTL_CALL_FAIL;
571 }
572 //update new device length
573 pDeviceList = (tdDeviceListPayload_t*)pIoctlPayload->FunctionSpecificArea;
574 load->datasize =load->datasize - sizeof(tdDeviceInfoIOCTL_t) * (pDeviceList->deviceLength - pDeviceList->realDeviceCount);
575 AGTIAPI_PRINTK( "agtiapi_CharIoctl: new load->datasize = %d\n", load->datasize );
576
577 }
578 else if (pIoctlPayload->MajorFunction == IOCTL_MN_GET_CARD_INFO)
579 {
580 retValue = agtiapi_getCardInfo( pCard,
581 pIoctlPayload->Length,
582 (pIoctlPayload->FunctionSpecificArea) );
583 if (retValue == 0)
584 {
585 pIoctlPayload->Status = IOCTL_CALL_SUCCESS;
586 status = IOCTL_CALL_SUCCESS;
587 }
588 else
589 {
590 pIoctlPayload->Status = IOCTL_CALL_FAIL;
591 status = IOCTL_CALL_FAIL;
592 }
593 }
594 else if ( pIoctlPayload->MajorFunction == IOCTL_MJ_CHECK_DPMC_EVENT )
595 {
596 if ( pCard->flags & AGTIAPI_PORT_PANIC )
597 {
598 strcpy ( pIoctlPayload->FunctionSpecificArea, "DPMC LEAN\n" );
599 }
600 else
601 {
602 strcpy ( pIoctlPayload->FunctionSpecificArea, "do not dpmc lean\n" );
603 }
604 pIoctlPayload->Status = IOCTL_CALL_SUCCESS;
605 status = IOCTL_CALL_SUCCESS;
606 }
607 else if (pIoctlPayload->MajorFunction == IOCTL_MJ_CHECK_FATAL_ERROR )
608 {
609 AGTIAPI_PRINTK("agtiapi_CharIoctl: IOCTL_MJ_CHECK_FATAL_ERROR call received for card %d\n", pCard->cardNo);
610 //read port status to see if there is a fatal event
611 if(pCard->flags & AGTIAPI_PORT_PANIC)
612 {
613 printf("agtiapi_CharIoctl: Port Panic Status For Card %d is True\n",pCard->cardNo);
614 pIoctlPayload->Status = IOCTL_MJ_FATAL_ERR_CHK_SEND_TRUE;
615 }
616 else
617 {
618 AGTIAPI_PRINTK("agtiapi_CharIoctl: Port Panic Status For Card %d is False\n",pCard->cardNo);
619 pIoctlPayload->Status = IOCTL_MJ_FATAL_ERR_CHK_SEND_FALSE;
620 }
621 status = IOCTL_CALL_SUCCESS;
622 }
623 else if (pIoctlPayload->MajorFunction == IOCTL_MJ_FATAL_ERROR_DUMP_COMPLETE)
624 {
625 AGTIAPI_PRINTK("agtiapi_CharIoctl: IOCTL_MJ_FATAL_ERROR_DUMP_COMPLETE call received for card %d\n", pCard->cardNo);
626 //set flags bit status to be a soft reset
627 pCard->flags |= AGTIAPI_SOFT_RESET;
628 //trigger soft reset for the card
629 retValue = agtiapi_ResetCard (pCard, &flags);
630
631 if(retValue == AGTIAPI_SUCCESS)
632 {
633 //clear port panic status
634 pCard->flags &= ~AGTIAPI_PORT_PANIC;
635 pIoctlPayload->Status = IOCTL_MJ_FATAL_ERROR_SOFT_RESET_TRIG;
636 status = IOCTL_CALL_SUCCESS;
637 }
638 else
639 {
640 pIoctlPayload->Status = IOCTL_CALL_FAIL;
641 status = IOCTL_CALL_FAIL;
642 }
643 }
644 else
645 {
646 status = tiCOMMgntIOCTL( &pCard->tiRoot,
647 pIoctlPayload,
648 pCard,
649 NULL,
650 NULL );
651 if (status == IOCTL_CALL_PENDING)
652 {
653 ostiIOCTLWaitForSignal(&pCard->tiRoot,NULL, NULL, NULL);
654 status = IOCTL_CALL_SUCCESS;
655 }
656 }
657 pCard->pIoctlSem = NULL;
658 err = 0;
659
660 //copy kernel buffer to userland buffer
661 err=copyout(pIoctlPayload,load->data,load->datasize);
662 if (err)
663 {
664 status = IOCTL_CALL_FAIL;
665 return status;
666 }
667 free(pIoctlPayload,TEMP);
668 pIoctlPayload=NULL;
669 break;
670 default:
671 error = ENOTTY;
672 break;
673 }
674 return(status);
675 }
676
677 /******************************************************************************
678 agtiapi_probe()
679
680 Purpose:
681 This function initialize and registere all detected HBAs.
682 The first function being called in driver after agtiapi_probe()
683 Parameters:
684 device_t dev (IN) - device pointer
685 Return:
686 A number - error
687 0 - HBA has been detected
688 Note:
689 ******************************************************************************/
agtiapi_probe(device_t dev)690 static int agtiapi_probe( device_t dev )
691 {
692 int retVal;
693 int thisCard;
694 ag_card_info_t *thisCardInst;
695
696 thisCard = device_get_unit( dev );
697 if ( thisCard >= AGTIAPI_MAX_CARDS )
698 {
699 device_printf( dev, "Too many PMC-Sierra cards detected ERROR!\n" );
700 return (ENXIO); // maybe change to different return value?
701 }
702 thisCardInst = &agCardInfoList[ thisCard ];
703 retVal = agtiapi_ProbeCard( dev, thisCardInst, thisCard );
704 if ( retVal )
705 return (ENXIO); // maybe change to different return value?
706 return( BUS_PROBE_DEFAULT ); // successful probe
707 }
708
709
710 /******************************************************************************
711 agtiapi_attach()
712
713 Purpose:
714 This function initialize and registere all detected HBAs.
715 The first function being called in driver after agtiapi_probe()
716 Parameters:
717 device_t dev (IN) - device pointer
718 Return:
719 A number - error
720 0 - HBA has been detected
721 Note:
722 ******************************************************************************/
agtiapi_attach(device_t devx)723 static int agtiapi_attach( device_t devx )
724 {
725 // keeping get_unit call to once
726 int thisCard = device_get_unit( devx );
727 struct agtiapi_softc *pmsc;
728 ag_card_info_t *thisCardInst = &agCardInfoList[ thisCard ];
729 ag_resource_info_t *pRscInfo;
730 int idx;
731 int lenRecv;
732 char buffer [256], *pLastUsedChar;
733 union ccb *ccb;
734 int bus, tid, lun;
735 struct ccb_setasync csa;
736
737 AGTIAPI_PRINTK("agtiapi_attach: start dev %p thisCard %d\n", devx, thisCard);
738 // AGTIAPI_PRINTK( "agtiapi_attach: entry pointer values A %p / %p\n",
739 // thisCardInst->pPCIDev, thisCardInst );
740 AGTIAPI_PRINTK( "agtiapi_attach: deviceID: 0x%x\n", pci_get_devid( devx ) );
741
742 TUNABLE_INT_FETCH( "DPMC_TIMEOUT_SECS", &ag_timeout_secs );
743 TUNABLE_INT_FETCH( "DPMC_TIDEBUG_LEVEL", &gTiDebugLevel );
744 // printf( "agtiapi_attach: debugLevel %d, timeout %d\n",
745 // gTiDebugLevel, ag_timeout_secs );
746 if ( ag_timeout_secs < 1 )
747 {
748 ag_timeout_secs = 1; // set minimum timeout value of 1 second
749 }
750 ag_timeout_secs = (ag_timeout_secs * 1000); // convert to millisecond notation
751
752 // Look up our softc and initialize its fields.
753 pmsc = device_get_softc( devx );
754 pmsc->my_dev = devx;
755
756 /* Get NumberOfPortals */
757 if ((ostiGetTransportParam(
758 &pmsc->tiRoot,
759 "Global",
760 "CardDefault",
761 agNULL,
762 agNULL,
763 agNULL,
764 agNULL,
765 "NumberOfPortals",
766 buffer,
767 255,
768 &lenRecv
769 ) == tiSuccess) && (lenRecv != 0))
770 {
771 if (osti_strncmp(buffer, "0x", 2) == 0)
772 {
773 ag_portal_count = osti_strtoul (buffer, &pLastUsedChar, 0);
774 }
775 else
776 {
777 ag_portal_count = osti_strtoul (buffer, &pLastUsedChar, 10);
778 }
779 if (ag_portal_count > AGTIAPI_MAX_PORTALS)
780 ag_portal_count = AGTIAPI_MAX_PORTALS;
781 }
782 else
783 {
784 ag_portal_count = AGTIAPI_MAX_PORTALS;
785 }
786 AGTIAPI_PRINTK( "agtiapi_attach: ag_portal_count=%d\n", ag_portal_count );
787 // initialize hostdata structure
788 pmsc->flags |= AGTIAPI_INIT_TIME | AGTIAPI_SCSI_REGISTERED |
789 AGTIAPI_INITIATOR;
790 pmsc->cardNo = thisCard;
791 pmsc->ccbTotal = 0;
792 pmsc->portCount = ag_portal_count;
793 pmsc->pCardInfo = thisCardInst;
794 pmsc->tiRoot.osData = pmsc;
795 pmsc->pCardInfo->pCard = (void *)pmsc;
796 pmsc->VidDid = ( pci_get_vendor(devx) << 16 ) | pci_get_device( devx );
797 pmsc->SimQFrozen = agFALSE;
798 pmsc->devq_flag = agFALSE;
799 pRscInfo = &thisCardInst->tiRscInfo;
800
801 osti_memset(buffer, 0, 256);
802 lenRecv = 0;
803
804 /* Get MaxTargets */
805 if ((ostiGetTransportParam(
806 &pmsc->tiRoot,
807 "Global",
808 "InitiatorParms",
809 agNULL,
810 agNULL,
811 agNULL,
812 agNULL,
813 "MaxTargets",
814 buffer,
815 sizeof(buffer),
816 &lenRecv
817 ) == tiSuccess) && (lenRecv != 0))
818 {
819 if (osti_strncmp(buffer, "0x", 2) == 0)
820 {
821 maxTargets = osti_strtoul (buffer, &pLastUsedChar, 0);
822 AGTIAPI_PRINTK( "agtiapi_attach: maxTargets = osti_strtoul 0 \n" );
823 }
824 else
825 {
826 maxTargets = osti_strtoul (buffer, &pLastUsedChar, 10);
827 AGTIAPI_PRINTK( "agtiapi_attach: maxTargets = osti_strtoul 10\n" );
828 }
829 }
830 else
831
832 {
833 if(Is_ADP8H(pmsc))
834 maxTargets = AGTIAPI_MAX_DEVICE_8H;
835 else if(Is_ADP7H(pmsc))
836 maxTargets = AGTIAPI_MAX_DEVICE_7H;
837 else
838 maxTargets = AGTIAPI_MAX_DEVICE;
839 }
840
841 if (maxTargets > AGTIAPI_HW_LIMIT_DEVICE)
842 {
843 AGTIAPI_PRINTK( "agtiapi_attach: maxTargets: %d > AGTIAPI_HW_LIMIT_DEVICE: %d\n", maxTargets, AGTIAPI_HW_LIMIT_DEVICE );
844 AGTIAPI_PRINTK( "agtiapi_attach: change maxTargets = AGTIAPI_HW_LIMIT_DEVICE\n" );
845 maxTargets = AGTIAPI_HW_LIMIT_DEVICE;
846 }
847 pmsc->devDiscover = maxTargets ;
848
849 #ifdef HIALEAH_ENCRYPTION
850 ag_encryption_enable = 1;
851 if(ag_encryption_enable && pci_get_device(pmsc->pCardInfo->pPCIDev) ==
852 PCI_DEVICE_ID_HIALEAH_HBA_SPCVE)
853 {
854 pmsc->encrypt = 1;
855 pRscInfo->tiLoLevelResource.loLevelOption.encryption = agTRUE;
856 printf("agtiapi_attach: Encryption Enabled\n" );
857 }
858 #endif
859 // ## for now, skip calls to ostiGetTransportParam(...)
860 // ## for now, skip references to DIF & EDC
861
862 // Create a /dev entry for this device. The kernel will assign us
863 // a major number automatically. We use the unit number of this
864 // device as the minor number and name the character device
865 // "agtiapi<unit>".
866 pmsc->my_cdev = make_dev( &agtiapi_cdevsw, thisCard, UID_ROOT, GID_WHEEL,
867 0600, "spcv%u", thisCard );
868 pmsc->my_cdev->si_drv1 = pmsc;
869
870 mtx_init( &thisCardInst->pmIOLock, "pmc SAS I/O lock",
871 NULL, MTX_DEF|MTX_RECURSE );
872
873 struct cam_devq *devq;
874
875 /* set the maximum number of pending IOs */
876 devq = cam_simq_alloc( AGTIAPI_MAX_CAM_Q_DEPTH );
877 if (devq == NULL)
878 {
879 AGTIAPI_PRINTK("agtiapi_attach: cam_simq_alloc is NULL\n" );
880 return( EIO );
881 }
882
883 struct cam_sim *lsim;
884 lsim = cam_sim_alloc( agtiapi_cam_action,
885 agtiapi_cam_poll,
886 "pmspcbsd",
887 pmsc,
888 thisCard,
889 &thisCardInst->pmIOLock,
890 1, // queued per target
891 AGTIAPI_MAX_CAM_Q_DEPTH, // max tag depth
892 devq );
893 if ( lsim == NULL ) {
894 cam_simq_free( devq );
895 AGTIAPI_PRINTK("agtiapi_attach: cam_sim_alloc is NULL\n" );
896 return( EIO );
897 }
898
899 pmsc->dev_scan = agFALSE;
900 //one cam sim per scsi bus
901 mtx_lock( &thisCardInst->pmIOLock );
902 if ( xpt_bus_register( lsim, devx, 0 ) != CAM_SUCCESS )
903 { // bus 0
904 cam_sim_free( lsim, TRUE );
905 mtx_unlock( &thisCardInst->pmIOLock );
906 AGTIAPI_PRINTK("agtiapi_attach: xpt_bus_register fails\n" );
907 return( EIO );
908 }
909
910 pmsc->sim = lsim;
911 bus = cam_sim_path(pmsc->sim);
912 tid = CAM_TARGET_WILDCARD;
913 lun = CAM_LUN_WILDCARD;
914 ccb = xpt_alloc_ccb_nowait();
915 if (ccb == agNULL)
916 {
917 mtx_unlock( &thisCardInst->pmIOLock );
918 cam_sim_free( lsim, TRUE );
919 cam_simq_free( devq );
920 return ( EIO );
921 }
922 if (xpt_create_path(&ccb->ccb_h.path, agNULL, bus, tid,
923 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
924 {
925 mtx_unlock( &thisCardInst->pmIOLock );
926 cam_sim_free( lsim, TRUE );
927 cam_simq_free( devq );
928 xpt_free_ccb(ccb);
929 return( EIO );
930 }
931 pmsc->path = ccb->ccb_h.path;
932 xpt_setup_ccb(&csa.ccb_h, pmsc->path, 5);
933 csa.ccb_h.func_code = XPT_SASYNC_CB;
934 csa.event_enable = AC_FOUND_DEVICE;
935 csa.callback = agtiapi_async;
936 csa.callback_arg = pmsc;
937 xpt_action((union ccb *)&csa);
938 if (csa.ccb_h.status != CAM_REQ_CMP) {
939 AGTIAPI_PRINTK("agtiapi_attach: Unable to register AC_FOUND_DEVICE\n" );
940 }
941 lsim->devq = devq;
942 mtx_unlock( &thisCardInst->pmIOLock );
943
944
945
946
947 // get TD and lower layer memory requirements
948 tiCOMGetResource( &pmsc->tiRoot,
949 &pRscInfo->tiLoLevelResource,
950 &pRscInfo->tiInitiatorResource,
951 NULL,
952 &pRscInfo->tiSharedMem );
953
954 agtiapi_ScopeDMARes( thisCardInst );
955 AGTIAPI_PRINTK( "agtiapi_attach: size from the call agtiapi_ScopeDMARes"
956 " 0x%x \n", pmsc->typhn );
957
958 // initialize card information and get resource ready
959 if( agtiapi_InitResource( thisCardInst ) == AGTIAPI_FAIL ) {
960 AGTIAPI_PRINTK( "agtiapi_attach: Card %d initialize resource ERROR\n",
961 thisCard );
962 }
963
964 // begin: allocate and initialize card portal info resource
965 ag_portal_data_t *pPortalData;
966 if (pmsc->portCount == 0)
967 {
968 pmsc->pPortalData = NULL;
969 }
970 else
971 {
972 pmsc->pPortalData = (ag_portal_data_t *)
973 malloc( sizeof(ag_portal_data_t) * pmsc->portCount,
974 M_PMC_MPRT, M_ZERO | M_WAITOK );
975 if (pmsc->pPortalData == NULL)
976 {
977 AGTIAPI_PRINTK( "agtiapi_attach: Portal memory allocation ERROR\n" );
978 }
979 }
980
981 pPortalData = pmsc->pPortalData;
982 for( idx = 0; idx < pmsc->portCount; idx++ ) {
983 pPortalData->pCard = pmsc;
984 pPortalData->portalInfo.portID = idx;
985 pPortalData->portalInfo.tiPortalContext.osData = (void *)pPortalData;
986 pPortalData++;
987 }
988 // end: allocate and initialize card portal info resource
989
990 // begin: enable msix
991
992 // setup msix
993 // map to interrupt handler
994 int error = 0;
995 int mesgs = MAX_MSIX_NUM_VECTOR;
996 int i, cnt;
997
998 void (*intrHandler[MAX_MSIX_NUM_ISR])(void *arg) =
999 {
1000 agtiapi_IntrHandler0,
1001 agtiapi_IntrHandler1,
1002 agtiapi_IntrHandler2,
1003 agtiapi_IntrHandler3,
1004 agtiapi_IntrHandler4,
1005 agtiapi_IntrHandler5,
1006 agtiapi_IntrHandler6,
1007 agtiapi_IntrHandler7,
1008 agtiapi_IntrHandler8,
1009 agtiapi_IntrHandler9,
1010 agtiapi_IntrHandler10,
1011 agtiapi_IntrHandler11,
1012 agtiapi_IntrHandler12,
1013 agtiapi_IntrHandler13,
1014 agtiapi_IntrHandler14,
1015 agtiapi_IntrHandler15
1016
1017 };
1018
1019 cnt = pci_msix_count(devx);
1020 AGTIAPI_PRINTK("supported MSIX %d\n", cnt); //this should be 64
1021 mesgs = MIN(mesgs, cnt);
1022 error = pci_alloc_msix(devx, &mesgs);
1023 if (error != 0) {
1024 printf( "pci_alloc_msix error %d\n", error );
1025 AGTIAPI_PRINTK("error %d\n", error);
1026 return( EIO );
1027 }
1028
1029 for(i=0; i < mesgs; i++) {
1030 pmsc->rscID[i] = i + 1;
1031 pmsc->irq[i] = bus_alloc_resource_any( devx,
1032 SYS_RES_IRQ,
1033 &pmsc->rscID[i],
1034 RF_ACTIVE );
1035 if( pmsc->irq[i] == NULL ) {
1036 printf( "RES_IRQ went terribly bad at %d\n", i );
1037 return( EIO );
1038 }
1039
1040 if ( (error = bus_setup_intr( devx, pmsc->irq[i],
1041 INTR_TYPE_CAM | INTR_MPSAFE,
1042 NULL,
1043 intrHandler[i],
1044 pmsc,
1045 &pmsc->intrcookie[i] )
1046 ) != 0 ) {
1047 device_printf( devx, "Failed to register handler" );
1048 return( EIO );
1049 }
1050 }
1051 pmsc->flags |= AGTIAPI_IRQ_REQUESTED;
1052 pmsc->pCardInfo->maxInterruptVectors = MAX_MSIX_NUM_VECTOR;
1053 // end: enable msix
1054
1055 int ret = 0;
1056 ret = agtiapi_InitCardSW(pmsc);
1057 if (ret == AGTIAPI_FAIL || ret == AGTIAPI_UNKNOWN)
1058 {
1059 AGTIAPI_PRINTK( "agtiapi_attach: agtiapi_InitCardSW failure %d\n",
1060 ret );
1061 return( EIO );
1062 }
1063
1064 pmsc->ccbFreeList = NULL;
1065 pmsc->ccbChainList = NULL;
1066 pmsc->ccbAllocList = NULL;
1067
1068 pmsc->flags |= ( AGTIAPI_INSTALLED );
1069
1070 ret = agtiapi_alloc_requests( pmsc );
1071 if( ret != 0 ) {
1072 AGTIAPI_PRINTK( "agtiapi_attach: agtiapi_alloc_requests failure %d\n",
1073 ret );
1074 return( EIO );
1075 }
1076
1077 ret = agtiapi_alloc_ostimem( pmsc );
1078 if (ret != AGTIAPI_SUCCESS)
1079 {
1080 AGTIAPI_PRINTK( "agtiapi_attach: agtiapi_alloc_ostimem failure %d\n",
1081 ret );
1082 return( EIO );
1083 }
1084
1085 ret = agtiapi_InitCardHW( pmsc );
1086 if (ret != 0)
1087 {
1088 AGTIAPI_PRINTK( "agtiapi_attach: agtiapi_InitCardHW failure %d\n",
1089 ret );
1090 return( EIO );
1091 }
1092
1093 #ifdef HIALEAH_ENCRYPTION
1094 if(pmsc->encrypt)
1095 {
1096 if((agtiapi_SetupEncryption(pmsc)) < 0)
1097 AGTIAPI_PRINTK("SetupEncryption returned less than 0\n");
1098 }
1099 #endif
1100
1101 pmsc->flags &= ~AGTIAPI_INIT_TIME;
1102 return( 0 );
1103 }
1104
1105 /******************************************************************************
1106 agtiapi_InitCardSW()
1107
1108 Purpose:
1109 Host Bus Adapter Initialization
1110 Parameters:
1111 struct agtiapi_softc *pmsc (IN) Pointer to the HBA data structure
1112 Return:
1113 AGTIAPI_SUCCESS - success
1114 AGTIAPI_FAIL - fail
1115 Note:
1116 TBD, need chip register information
1117 ******************************************************************************/
agtiapi_InitCardSW(struct agtiapi_softc * pmsc)1118 STATIC agBOOLEAN agtiapi_InitCardSW( struct agtiapi_softc *pmsc )
1119 {
1120 ag_card_info_t *thisCardInst = pmsc->pCardInfo;
1121 ag_resource_info_t *pRscInfo = &thisCardInst->tiRscInfo;
1122 int initSWIdx;
1123
1124 // begin: agtiapi_InitCardSW()
1125 // now init some essential locks n agtiapi_InitCardSW
1126 mtx_init( &pmsc->sendLock, "local q send lock", NULL, MTX_DEF );
1127 mtx_init( &pmsc->doneLock, "local q done lock", NULL, MTX_DEF );
1128 mtx_init( &pmsc->sendSMPLock, "local q send lock", NULL, MTX_DEF );
1129 mtx_init( &pmsc->doneSMPLock, "local q done lock", NULL, MTX_DEF );
1130 mtx_init( &pmsc->ccbLock, "ccb list lock", NULL, MTX_DEF );
1131 mtx_init( &pmsc->devListLock, "hotP devListLock", NULL, MTX_DEF );
1132 mtx_init( &pmsc->memLock, "dynamic memory lock", NULL, MTX_DEF );
1133 mtx_init( &pmsc->freezeLock, "sim freeze lock", NULL, MTX_DEF | MTX_RECURSE);
1134
1135 // initialize lower layer resources
1136 //## if (pCard->flags & AGTIAPI_INIT_TIME) {
1137 #ifdef HIALEAH_ENCRYPTION
1138 /* Enable encryption if chip supports it */
1139 if (pci_get_device(pmsc->pCardInfo->pPCIDev) ==
1140 PCI_DEVICE_ID_HIALEAH_HBA_SPCVE)
1141 pmsc->encrypt = 1;
1142
1143 if (pmsc->encrypt)
1144 pRscInfo->tiLoLevelResource.loLevelOption.encryption = agTRUE;
1145 #endif
1146 pmsc->flags &= ~(AGTIAPI_PORT_INITIALIZED | AGTIAPI_SYS_INTR_ON);
1147
1148
1149 // For now, up to 16 MSIX vectors are supported
1150 thisCardInst->tiRscInfo.tiLoLevelResource.loLevelOption.
1151 maxInterruptVectors = pmsc->pCardInfo->maxInterruptVectors;
1152 AGTIAPI_PRINTK( "agtiapi_InitCardSW: maxInterruptVectors set to %d",
1153 pmsc->pCardInfo->maxInterruptVectors );
1154 thisCardInst->tiRscInfo.tiLoLevelResource.loLevelOption.max_MSI_InterruptVectors = 0;
1155 thisCardInst->tiRscInfo.tiLoLevelResource.loLevelOption.flag = 0;
1156 pRscInfo->tiLoLevelResource.loLevelOption.maxNumOSLocks = 0;
1157
1158 AGTIAPI_PRINTK( "agtiapi_InitCardSW: tiCOMInit root %p, dev %p, pmsc %p\n",
1159 &pmsc->tiRoot, pmsc->my_dev, pmsc );
1160 if( tiCOMInit( &pmsc->tiRoot,
1161 &thisCardInst->tiRscInfo.tiLoLevelResource,
1162 &thisCardInst->tiRscInfo.tiInitiatorResource,
1163 NULL,
1164 &thisCardInst->tiRscInfo.tiSharedMem ) != tiSuccess ) {
1165 AGTIAPI_PRINTK( "agtiapi_InitCardSW: tiCOMInit ERROR\n" );
1166 return AGTIAPI_FAIL;
1167 }
1168 int maxLocks;
1169 maxLocks = pRscInfo->tiLoLevelResource.loLevelOption.numOfQueuesPerPort;
1170 pmsc->STLock = malloc( ( maxLocks * sizeof(struct mtx) ), M_PMC_MSTL,
1171 M_ZERO | M_WAITOK );
1172
1173 for( initSWIdx = 0; initSWIdx < maxLocks; initSWIdx++ )
1174 {
1175 // init all indexes
1176 mtx_init( &pmsc->STLock[initSWIdx], "LL & TD lock", NULL, MTX_DEF );
1177 }
1178
1179 if( tiCOMPortInit( &pmsc->tiRoot, agFALSE ) != tiSuccess ) {
1180 printf( "agtiapi_InitCardSW: tiCOMPortInit ERROR -- AGTIAPI_FAIL\n" );
1181 return AGTIAPI_FAIL;
1182 }
1183 AGTIAPI_PRINTK( "agtiapi_InitCardSW: tiCOMPortInit"
1184 " root %p, dev %p, pmsc %p\n",
1185 &pmsc->tiRoot, pmsc->my_dev, pmsc );
1186
1187 pmsc->flags |= AGTIAPI_PORT_INITIALIZED;
1188 pmsc->freezeSim = agFALSE;
1189
1190 #ifdef HIALEAH_ENCRYPTION
1191 atomic_set(&outstanding_encrypted_io_count, 0);
1192 /*fix below*/
1193 /*if(pmsc->encrypt && (pmsc->flags & AGTIAPI_INIT_TIME))
1194 if((agtiapi_SetupEncryptionPools(pmsc)) != 0)
1195 printf("SetupEncryptionPools failed\n"); */
1196 #endif
1197 return AGTIAPI_SUCCESS;
1198 // end: agtiapi_InitCardSW()
1199 }
1200
1201 /******************************************************************************
1202 agtiapi_InitCardHW()
1203
1204 Purpose:
1205 Host Bus Adapter Initialization
1206 Parameters:
1207 struct agtiapi_softc *pmsc (IN) Pointer to the HBA data structure
1208 Return:
1209 AGTIAPI_SUCCESS - success
1210 AGTIAPI_FAIL - fail
1211 Note:
1212 TBD, need chip register information
1213 ******************************************************************************/
agtiapi_InitCardHW(struct agtiapi_softc * pmsc)1214 STATIC agBOOLEAN agtiapi_InitCardHW( struct agtiapi_softc *pmsc )
1215 {
1216 U32 numVal;
1217 U32 count;
1218 U32 loop;
1219 // begin: agtiapi_InitCardHW()
1220
1221 ag_portal_info_t *pPortalInfo = NULL;
1222 ag_portal_data_t *pPortalData;
1223
1224 // ISR is registered, enable chip interrupt.
1225 tiCOMSystemInterruptsActive( &pmsc->tiRoot, agTRUE );
1226 pmsc->flags |= AGTIAPI_SYS_INTR_ON;
1227
1228 numVal = sizeof(ag_device_t) * pmsc->devDiscover;
1229 pmsc->pDevList =
1230 (ag_device_t *)malloc( numVal, M_PMC_MDVT, M_ZERO | M_WAITOK );
1231 if( !pmsc->pDevList ) {
1232 AGTIAPI_PRINTK( "agtiapi_InitCardHW: kmalloc %d DevList ERROR\n", numVal );
1233 panic( "agtiapi_InitCardHW\n" );
1234 return AGTIAPI_FAIL;
1235 }
1236
1237 #ifdef LINUX_PERBI_SUPPORT
1238 numVal = sizeof(ag_slr_map_t) * pmsc->devDiscover;
1239 pmsc->pSLRList =
1240 (ag_slr_map_t *)malloc( numVal, M_PMC_MSLR, M_ZERO | M_WAITOK );
1241 if( !pmsc->pSLRList ) {
1242 AGTIAPI_PRINTK( "agtiapi_InitCardHW: kmalloc %d SLRList ERROR\n", numVal );
1243 panic( "agtiapi_InitCardHW SLRL\n" );
1244 return AGTIAPI_FAIL;
1245 }
1246
1247 numVal = sizeof(ag_tgt_map_t) * pmsc->devDiscover;
1248 pmsc->pWWNList =
1249 (ag_tgt_map_t *)malloc( numVal, M_PMC_MTGT, M_ZERO | M_WAITOK );
1250 if( !pmsc->pWWNList ) {
1251 AGTIAPI_PRINTK( "agtiapi_InitCardHW: kmalloc %d WWNList ERROR\n", numVal );
1252 panic( "agtiapi_InitCardHW WWNL\n" );
1253 return AGTIAPI_FAIL;
1254 }
1255
1256 // Get the WWN_to_target_ID mappings from the
1257 // holding area which contains the input of the
1258 // system configuration file.
1259 if( ag_Perbi )
1260 agtiapi_GetWWNMappings( pmsc, agMappingList );
1261 else {
1262 agtiapi_GetWWNMappings( pmsc, 0 );
1263 if( agMappingList )
1264 printf( "agtiapi_InitCardHW: WWN PERBI disabled WARN\n" );
1265 }
1266 #endif
1267
1268 //agtiapi_DelaySec(5);
1269 DELAY( 500000 );
1270
1271 pmsc->tgtCount = 0;
1272
1273 pmsc->flags &= ~AGTIAPI_CB_DONE;
1274 pPortalData = pmsc->pPortalData;
1275
1276 //start port
1277
1278 for (count = 0; count < pmsc->portCount; count++)
1279 {
1280 AG_SPIN_LOCK_IRQ( agtiapi_host_lock, flags );
1281
1282 pPortalInfo = &pPortalData->portalInfo;
1283 pPortalInfo->portStatus &= ~( AGTIAPI_PORT_START |
1284 AGTIAPI_PORT_DISC_READY |
1285 AGTIAPI_DISC_DONE |
1286 AGTIAPI_DISC_COMPLETE );
1287
1288 for (loop = 0; loop < AGTIAPI_LOOP_MAX; loop++)
1289 {
1290 AGTIAPI_PRINTK( "tiCOMPortStart entry data %p / %d / %p\n",
1291 &pmsc->tiRoot,
1292 pPortalInfo->portID,
1293 &pPortalInfo->tiPortalContext );
1294
1295 if( tiCOMPortStart( &pmsc->tiRoot,
1296 pPortalInfo->portID,
1297 &pPortalInfo->tiPortalContext,
1298 0 )
1299 != tiSuccess ) {
1300 AG_SPIN_UNLOCK_IRQ( agtiapi_host_lock, flags );
1301 agtiapi_DelayMSec( AGTIAPI_EXTRA_DELAY );
1302 AG_SPIN_LOCK_IRQ(agtiapi_host_lock, flags);
1303 AGTIAPI_PRINTK( "tiCOMPortStart failed -- no loop, portalData %p\n",
1304 pPortalData );
1305 }
1306 else {
1307 AGTIAPI_PRINTK( "tiCOMPortStart success no loop, portalData %p\n",
1308 pPortalData );
1309 break;
1310 }
1311 } // end of for loop
1312 /* release lock */
1313 AG_SPIN_UNLOCK_IRQ( agtiapi_host_lock, flags );
1314
1315 if( loop >= AGTIAPI_LOOP_MAX ) {
1316 return AGTIAPI_FAIL;
1317 }
1318 tiCOMGetPortInfo( &pmsc->tiRoot,
1319 &pPortalInfo->tiPortalContext,
1320 &pPortalInfo->tiPortInfo );
1321 pPortalData++;
1322 }
1323
1324 /* discover target device */
1325 #ifndef HOTPLUG_SUPPORT
1326 agtiapi_DiscoverTgt( pCard );
1327 #endif
1328
1329
1330 pmsc->flags |= AGTIAPI_INSTALLED;
1331
1332 if( pmsc->flags & AGTIAPI_INIT_TIME ) {
1333 agtiapi_TITimer( (void *)pmsc );
1334 pmsc->flags |= AGTIAPI_TIMER_ON;
1335 }
1336
1337 return 0;
1338 }
1339
1340
1341
1342 /******************************************************************************
1343 agtiapi_IntrHandlerx_()
1344
1345 Purpose:
1346 Interrupt service routine.
1347 Parameters:
1348 void arg (IN) Pointer to the HBA data structure
1349 bit32 idx (IN) Vector index
1350 ******************************************************************************/
agtiapi_IntrHandlerx_(void * arg,int index)1351 void agtiapi_IntrHandlerx_( void *arg, int index )
1352 {
1353
1354 struct agtiapi_softc *pCard;
1355 int rv;
1356
1357 pCard = (struct agtiapi_softc *)arg;
1358
1359 #ifndef AGTIAPI_DPC
1360 ccb_t *pccb;
1361 #endif
1362
1363 AG_LOCAL_LOCK(&(pCard->pCardInfo->pmIOLock));
1364 AG_PERF_SPINLOCK(agtiapi_host_lock);
1365 if (pCard->flags & AGTIAPI_SHUT_DOWN)
1366 goto ext;
1367
1368 rv = tiCOMInterruptHandler(&pCard->tiRoot, index);
1369 if (rv == agFALSE)
1370 {
1371 /* not our irq */
1372 AG_SPIN_UNLOCK(agtiapi_host_lock);
1373 AG_LOCAL_UNLOCK(&(pCard->pCardInfo->pmIOLock));
1374 return;
1375 }
1376
1377
1378 #ifdef AGTIAPI_DPC
1379 tasklet_hi_schedule(&pCard->tasklet_dpc[idx]);
1380 #else
1381 /* consume all completed entries, 100 is random number to be big enough */
1382 tiCOMDelayedInterruptHandler(&pCard->tiRoot, index, 100, tiInterruptContext);
1383 AG_GET_DONE_PCCB(pccb, pCard);
1384 AG_GET_DONE_SMP_PCCB(pccb, pCard);
1385 #endif
1386
1387 ext:
1388 AG_SPIN_UNLOCK(agtiapi_host_lock);
1389 AG_LOCAL_UNLOCK(&(pCard->pCardInfo->pmIOLock));
1390 return;
1391
1392 }
1393
1394 /******************************************************************************
1395 agtiapi_IntrHandler0()
1396 Purpose: Interrupt service routine for interrupt vector index 0.
1397 Parameters: void arg (IN) Pointer to the HBA data structure
1398 ******************************************************************************/
agtiapi_IntrHandler0(void * arg)1399 void agtiapi_IntrHandler0( void *arg )
1400 {
1401 agtiapi_IntrHandlerx_( arg, 0 );
1402 return;
1403 }
1404
1405 /******************************************************************************
1406 agtiapi_IntrHandler1()
1407 Purpose: Interrupt service routine for interrupt vector index 1.
1408 Parameters: void arg (IN) Pointer to the HBA data structure
1409 ******************************************************************************/
agtiapi_IntrHandler1(void * arg)1410 void agtiapi_IntrHandler1( void *arg )
1411 {
1412 agtiapi_IntrHandlerx_( arg, 1 );
1413 return;
1414 }
1415
1416 /******************************************************************************
1417 agtiapi_IntrHandler2()
1418 Purpose: Interrupt service routine for interrupt vector index 2.
1419 Parameters: void arg (IN) Pointer to the HBA data structure
1420 ******************************************************************************/
agtiapi_IntrHandler2(void * arg)1421 void agtiapi_IntrHandler2( void *arg )
1422 {
1423 agtiapi_IntrHandlerx_( arg, 2 );
1424 return;
1425 }
1426
1427 /******************************************************************************
1428 agtiapi_IntrHandler3()
1429 Purpose: Interrupt service routine for interrupt vector index 3.
1430 Parameters: void arg (IN) Pointer to the HBA data structure
1431 ******************************************************************************/
agtiapi_IntrHandler3(void * arg)1432 void agtiapi_IntrHandler3( void *arg )
1433 {
1434 agtiapi_IntrHandlerx_( arg, 3 );
1435 return;
1436 }
1437
1438 /******************************************************************************
1439 agtiapi_IntrHandler4()
1440 Purpose: Interrupt service routine for interrupt vector index 4.
1441 Parameters: void arg (IN) Pointer to the HBA data structure
1442 ******************************************************************************/
agtiapi_IntrHandler4(void * arg)1443 void agtiapi_IntrHandler4( void *arg )
1444 {
1445 agtiapi_IntrHandlerx_( arg, 4 );
1446 return;
1447 }
1448
1449 /******************************************************************************
1450 agtiapi_IntrHandler5()
1451 Purpose: Interrupt service routine for interrupt vector index 5.
1452 Parameters: void arg (IN) Pointer to the HBA data structure
1453 ******************************************************************************/
agtiapi_IntrHandler5(void * arg)1454 void agtiapi_IntrHandler5( void *arg )
1455 {
1456 agtiapi_IntrHandlerx_( arg, 5 );
1457 return;
1458 }
1459
1460 /******************************************************************************
1461 agtiapi_IntrHandler6()
1462 Purpose: Interrupt service routine for interrupt vector index 6.
1463 Parameters: void arg (IN) Pointer to the HBA data structure
1464 ******************************************************************************/
agtiapi_IntrHandler6(void * arg)1465 void agtiapi_IntrHandler6( void *arg )
1466 {
1467 agtiapi_IntrHandlerx_( arg, 6 );
1468 return;
1469 }
1470
1471 /******************************************************************************
1472 agtiapi_IntrHandler7()
1473 Purpose: Interrupt service routine for interrupt vector index 7.
1474 Parameters: void arg (IN) Pointer to the HBA data structure
1475 ******************************************************************************/
agtiapi_IntrHandler7(void * arg)1476 void agtiapi_IntrHandler7( void *arg )
1477 {
1478 agtiapi_IntrHandlerx_( arg, 7 );
1479 return;
1480 }
1481
1482 /******************************************************************************
1483 agtiapi_IntrHandler8()
1484 Purpose: Interrupt service routine for interrupt vector index 8.
1485 Parameters: void arg (IN) Pointer to the HBA data structure
1486 ******************************************************************************/
agtiapi_IntrHandler8(void * arg)1487 void agtiapi_IntrHandler8( void *arg )
1488 {
1489 agtiapi_IntrHandlerx_( arg, 8 );
1490 return;
1491 }
1492
1493 /******************************************************************************
1494 agtiapi_IntrHandler9()
1495 Purpose: Interrupt service routine for interrupt vector index 9.
1496 Parameters: void arg (IN) Pointer to the HBA data structure
1497 ******************************************************************************/
agtiapi_IntrHandler9(void * arg)1498 void agtiapi_IntrHandler9( void *arg )
1499 {
1500 agtiapi_IntrHandlerx_( arg, 9 );
1501 return;
1502 }
1503
1504 /******************************************************************************
1505 agtiapi_IntrHandler10()
1506 Purpose: Interrupt service routine for interrupt vector index 10.
1507 Parameters: void arg (IN) Pointer to the HBA data structure
1508 ******************************************************************************/
agtiapi_IntrHandler10(void * arg)1509 void agtiapi_IntrHandler10( void *arg )
1510 {
1511 agtiapi_IntrHandlerx_( arg, 10 );
1512 return;
1513 }
1514
1515 /******************************************************************************
1516 agtiapi_IntrHandler11()
1517 Purpose: Interrupt service routine for interrupt vector index 11.
1518 Parameters: void arg (IN) Pointer to the HBA data structure
1519 ******************************************************************************/
agtiapi_IntrHandler11(void * arg)1520 void agtiapi_IntrHandler11( void *arg )
1521 {
1522 agtiapi_IntrHandlerx_( arg, 11 );
1523 return;
1524 }
1525
1526 /******************************************************************************
1527 agtiapi_IntrHandler12()
1528 Purpose: Interrupt service routine for interrupt vector index 12.
1529 Parameters: void arg (IN) Pointer to the HBA data structure
1530 ******************************************************************************/
agtiapi_IntrHandler12(void * arg)1531 void agtiapi_IntrHandler12( void *arg )
1532 {
1533 agtiapi_IntrHandlerx_( arg, 12 );
1534 return;
1535 }
1536
1537 /******************************************************************************
1538 agtiapi_IntrHandler13()
1539 Purpose: Interrupt service routine for interrupt vector index 13.
1540 Parameters: void arg (IN) Pointer to the HBA data structure
1541 ******************************************************************************/
agtiapi_IntrHandler13(void * arg)1542 void agtiapi_IntrHandler13( void *arg )
1543 {
1544 agtiapi_IntrHandlerx_( arg, 13 );
1545 return;
1546 }
1547
1548 /******************************************************************************
1549 agtiapi_IntrHandler14()
1550 Purpose: Interrupt service routine for interrupt vector index 14.
1551 Parameters: void arg (IN) Pointer to the HBA data structure
1552 ******************************************************************************/
agtiapi_IntrHandler14(void * arg)1553 void agtiapi_IntrHandler14( void *arg )
1554 {
1555 agtiapi_IntrHandlerx_( arg, 14 );
1556 return;
1557 }
1558
1559 /******************************************************************************
1560 agtiapi_IntrHandler15()
1561 Purpose: Interrupt service routine for interrupt vector index 15.
1562 Parameters: void arg (IN) Pointer to the HBA data structure
1563 ******************************************************************************/
agtiapi_IntrHandler15(void * arg)1564 void agtiapi_IntrHandler15( void *arg )
1565 {
1566 agtiapi_IntrHandlerx_( arg, 15 );
1567 return;
1568 }
1569
agtiapi_SglMemoryCB(void * arg,bus_dma_segment_t * dm_segs,int nseg,int error)1570 static void agtiapi_SglMemoryCB( void *arg,
1571 bus_dma_segment_t *dm_segs,
1572 int nseg,
1573 int error )
1574 {
1575 bus_addr_t *addr;
1576 AGTIAPI_PRINTK("agtiapi_SglMemoryCB: start\n");
1577 if (error != 0)
1578 {
1579 AGTIAPI_PRINTK("agtiapi_SglMemoryCB: error %d\n", error);
1580 panic("agtiapi_SglMemoryCB: error %d\n", error);
1581 return;
1582 }
1583 addr = arg;
1584 *addr = dm_segs[0].ds_addr;
1585 return;
1586 }
1587
agtiapi_MemoryCB(void * arg,bus_dma_segment_t * dm_segs,int nseg,int error)1588 static void agtiapi_MemoryCB( void *arg,
1589 bus_dma_segment_t *dm_segs,
1590 int nseg,
1591 int error )
1592 {
1593 bus_addr_t *addr;
1594 AGTIAPI_PRINTK("agtiapi_MemoryCB: start\n");
1595 if (error != 0)
1596 {
1597 AGTIAPI_PRINTK("agtiapi_MemoryCB: error %d\n", error);
1598 panic("agtiapi_MemoryCB: error %d\n", error);
1599 return;
1600 }
1601 addr = arg;
1602 *addr = dm_segs[0].ds_addr;
1603 return;
1604 }
1605
1606 /******************************************************************************
1607 agtiapi_alloc_requests()
1608
1609 Purpose:
1610 Allocates resources such as dma tag and timer
1611 Parameters:
1612 struct agtiapi_softc *pmsc (IN) Pointer to the HBA data structure
1613 Return:
1614 AGTIAPI_SUCCESS - success
1615 AGTIAPI_FAIL - fail
1616 Note:
1617 ******************************************************************************/
agtiapi_alloc_requests(struct agtiapi_softc * pmcsc)1618 int agtiapi_alloc_requests( struct agtiapi_softc *pmcsc )
1619 {
1620
1621 int rsize, nsegs;
1622 U32 next_tick;
1623
1624 nsegs = AGTIAPI_NSEGS;
1625 rsize = AGTIAPI_MAX_DMA_SEGS; // 128
1626 AGTIAPI_PRINTK( "agtiapi_alloc_requests: MAXPHYS 0x%x PAGE_SIZE 0x%x \n",
1627 MAXPHYS, PAGE_SIZE );
1628 AGTIAPI_PRINTK( "agtiapi_alloc_requests: nsegs %d rsize %d \n",
1629 nsegs, rsize ); // 32, 128
1630 // This is for csio->data_ptr
1631 if( bus_dma_tag_create( agNULL, // parent
1632 1, // alignment
1633 0, // boundary
1634 BUS_SPACE_MAXADDR, // lowaddr
1635 BUS_SPACE_MAXADDR, // highaddr
1636 NULL, // filter
1637 NULL, // filterarg
1638 BUS_SPACE_MAXSIZE_32BIT, // maxsize
1639 nsegs, // nsegments
1640 BUS_SPACE_MAXSIZE_32BIT, // maxsegsize
1641 BUS_DMA_ALLOCNOW, // flags
1642 busdma_lock_mutex, // lockfunc
1643 &pmcsc->pCardInfo->pmIOLock, // lockarg
1644 &pmcsc->buffer_dmat ) ) {
1645 AGTIAPI_PRINTK( "agtiapi_alloc_requests: Cannot alloc request DMA tag\n" );
1646 return( ENOMEM );
1647 }
1648
1649 // This is for tiSgl_t of pccb in agtiapi_PrepCCBs()
1650 rsize =
1651 (sizeof(tiSgl_t) * AGTIAPI_NSEGS) *
1652 AGTIAPI_CCB_PER_DEVICE * maxTargets;
1653 AGTIAPI_PRINTK( "agtiapi_alloc_requests: rsize %d \n", rsize ); // 32, 128
1654 if( bus_dma_tag_create( agNULL, // parent
1655 32, // alignment
1656 0, // boundary
1657 BUS_SPACE_MAXADDR_32BIT, // lowaddr
1658 BUS_SPACE_MAXADDR, // highaddr
1659 NULL, // filter
1660 NULL, // filterarg
1661 rsize, // maxsize
1662 1, // nsegments
1663 rsize, // maxsegsize
1664 BUS_DMA_ALLOCNOW, // flags
1665 NULL, // lockfunc
1666 NULL, // lockarg
1667 &pmcsc->tisgl_dmat ) ) {
1668 AGTIAPI_PRINTK( "agtiapi_alloc_requests: Cannot alloc request DMA tag\n" );
1669 return( ENOMEM );
1670 }
1671
1672 if( bus_dmamem_alloc( pmcsc->tisgl_dmat,
1673 (void **)&pmcsc->tisgl_mem,
1674 BUS_DMA_NOWAIT,
1675 &pmcsc->tisgl_map ) ) {
1676 AGTIAPI_PRINTK( "agtiapi_alloc_requests: Cannot allocate SGL memory\n" );
1677 return( ENOMEM );
1678 }
1679
1680 bzero( pmcsc->tisgl_mem, rsize );
1681 bus_dmamap_load( pmcsc->tisgl_dmat,
1682 pmcsc->tisgl_map,
1683 pmcsc->tisgl_mem,
1684 rsize,
1685 agtiapi_SglMemoryCB,
1686 &pmcsc->tisgl_busaddr,
1687 BUS_DMA_NOWAIT /* 0 */ );
1688
1689 mtx_init( &pmcsc->OS_timer_lock, "OS timer lock", NULL, MTX_DEF );
1690 mtx_init( &pmcsc->IO_timer_lock, "IO timer lock", NULL, MTX_DEF );
1691 mtx_init( &pmcsc->devRmTimerLock, "targ rm timer lock", NULL, MTX_DEF );
1692 callout_init_mtx( &pmcsc->OS_timer, &pmcsc->OS_timer_lock, 0 );
1693 callout_init_mtx( &pmcsc->IO_timer, &pmcsc->IO_timer_lock, 0 );
1694 callout_init_mtx( &pmcsc->devRmTimer,
1695 &pmcsc->devRmTimerLock, 0);
1696
1697 next_tick = pmcsc->pCardInfo->tiRscInfo.tiLoLevelResource.
1698 loLevelOption.usecsPerTick / USEC_PER_TICK;
1699 AGTIAPI_PRINTK( "agtiapi_alloc_requests: before callout_reset, "
1700 "next_tick 0x%x\n", next_tick );
1701 callout_reset( &pmcsc->OS_timer, next_tick, agtiapi_TITimer, pmcsc );
1702 return 0;
1703 }
1704
1705 /******************************************************************************
1706 agtiapi_alloc_ostimem()
1707
1708 Purpose:
1709 Allocates memory used later in ostiAllocMemory
1710 Parameters:
1711 struct agtiapi_softc *pmcsc (IN) Pointer to the HBA data structure
1712 Return:
1713 AGTIAPI_SUCCESS - success
1714 AGTIAPI_FAIL - fail
1715 Note:
1716 This is a pre-allocation for ostiAllocMemory() "non-cacheable" function calls
1717 ******************************************************************************/
agtiapi_alloc_ostimem(struct agtiapi_softc * pmcsc)1718 int agtiapi_alloc_ostimem( struct agtiapi_softc *pmcsc ) {
1719 int rsize, nomsize;
1720
1721 nomsize = 4096;
1722 rsize = AGTIAPI_DYNAMIC_MAX * nomsize; // 8M
1723 AGTIAPI_PRINTK("agtiapi_alloc_ostimem: rsize %d \n", rsize);
1724
1725 if( bus_dma_tag_create( agNULL, // parent
1726 32, // alignment
1727 0, // boundary
1728 BUS_SPACE_MAXADDR, // lowaddr
1729 BUS_SPACE_MAXADDR, // highaddr
1730 NULL, // filter
1731 NULL, // filterarg
1732 rsize, // maxsize (size)
1733 1, // number of segments
1734 rsize, // maxsegsize
1735 0, // flags
1736 NULL, // lockfunc
1737 NULL, // lockarg
1738 &pmcsc->osti_dmat ) ) {
1739 AGTIAPI_PRINTK( "agtiapi_alloc_ostimem: Can't create no-cache mem tag\n" );
1740 return AGTIAPI_FAIL;
1741 }
1742
1743
1744 if( bus_dmamem_alloc( pmcsc->osti_dmat,
1745 &pmcsc->osti_mem,
1746 BUS_DMA_WAITOK | BUS_DMA_ZERO | BUS_DMA_NOCACHE,
1747 &pmcsc->osti_mapp ) ) {
1748 AGTIAPI_PRINTK( "agtiapi_alloc_ostimem: Cannot allocate cache mem %d\n",
1749 rsize );
1750 return AGTIAPI_FAIL;
1751 }
1752
1753
1754 bus_dmamap_load( pmcsc->osti_dmat,
1755 pmcsc->osti_mapp,
1756 pmcsc->osti_mem,
1757 rsize,
1758 agtiapi_MemoryCB, // try reuse of CB for same goal
1759 &pmcsc->osti_busaddr,
1760 BUS_DMA_NOWAIT );
1761
1762 // populate all the ag_dma_addr_t osti_busaddr/mem fields with addresses for
1763 // handy reference when driver is in motion
1764 int idx;
1765 ag_card_info_t *pCardInfo = pmcsc->pCardInfo;
1766 ag_dma_addr_t *pMem;
1767
1768 for( idx = 0; idx < AGTIAPI_DYNAMIC_MAX; idx++ ) {
1769 pMem = &pCardInfo->dynamicMem[idx];
1770 pMem->nocache_busaddr = pmcsc->osti_busaddr + ( idx * nomsize );
1771 pMem->nocache_mem = (void*)((U64)pmcsc->osti_mem + ( idx * nomsize ));
1772 pCardInfo->freeDynamicMem[idx] = &pCardInfo->dynamicMem[idx];
1773 }
1774
1775 pCardInfo->topOfFreeDynamicMem = AGTIAPI_DYNAMIC_MAX;
1776
1777 return AGTIAPI_SUCCESS;
1778 }
1779
1780
1781 /******************************************************************************
1782 agtiapi_cam_action()
1783
1784 Purpose:
1785 Parses CAM frames and triggers a corresponding action
1786 Parameters:
1787 struct cam_sim *sim (IN) Pointer to SIM data structure
1788 union ccb * ccb (IN) Pointer to CAM ccb data structure
1789 Return:
1790 Note:
1791 ******************************************************************************/
agtiapi_cam_action(struct cam_sim * sim,union ccb * ccb)1792 static void agtiapi_cam_action( struct cam_sim *sim, union ccb * ccb )
1793 {
1794 struct agtiapi_softc *pmcsc;
1795 tiDeviceHandle_t *pDevHandle = NULL; // acts as flag as well
1796 tiDeviceInfo_t devInfo;
1797 int pathID, targetID, lunID;
1798 int lRetVal;
1799 U32 TID;
1800 U32 speed = 150000;
1801
1802 pmcsc = cam_sim_softc( sim );
1803 AGTIAPI_IO( "agtiapi_cam_action: start pmcs %p\n", pmcsc );
1804
1805 if (pmcsc == agNULL)
1806 {
1807 AGTIAPI_PRINTK( "agtiapi_cam_action: start pmcs is NULL\n" );
1808 return;
1809 }
1810 mtx_assert( &(pmcsc->pCardInfo->pmIOLock), MA_OWNED );
1811
1812 AGTIAPI_IO( "agtiapi_cam_action: cardNO %d func_code 0x%x\n", pmcsc->cardNo, ccb->ccb_h.func_code );
1813
1814 pathID = xpt_path_path_id( ccb->ccb_h.path );
1815 targetID = xpt_path_target_id( ccb->ccb_h.path );
1816 lunID = xpt_path_lun_id( ccb->ccb_h.path );
1817
1818 AGTIAPI_IO( "agtiapi_cam_action: P 0x%x T 0x%x L 0x%x\n",
1819 pathID, targetID, lunID );
1820
1821 switch (ccb->ccb_h.func_code)
1822 {
1823 case XPT_PATH_INQ:
1824 {
1825 struct ccb_pathinq *cpi;
1826
1827 /* See architecure book p180*/
1828 cpi = &ccb->cpi;
1829 cpi->version_num = 1;
1830 cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE | PI_WIDE_16;
1831 cpi->target_sprt = 0;
1832 cpi->hba_misc = PIM_NOBUSRESET | PIM_SEQSCAN;
1833 cpi->hba_eng_cnt = 0;
1834 cpi->max_target = maxTargets - 1;
1835 cpi->max_lun = AGTIAPI_MAX_LUN;
1836 cpi->maxio = 1024 *1024; /* Max supported I/O size, in bytes. */
1837 cpi->initiator_id = 255;
1838 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1839 strlcpy(cpi->hba_vid, "PMC", HBA_IDLEN);
1840 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1841 cpi->unit_number = cam_sim_unit(sim);
1842 cpi->bus_id = cam_sim_bus(sim);
1843 // rate is set when XPT_GET_TRAN_SETTINGS is processed
1844 cpi->base_transfer_speed = 150000;
1845 cpi->transport = XPORT_SAS;
1846 cpi->transport_version = 0;
1847 cpi->protocol = PROTO_SCSI;
1848 cpi->protocol_version = SCSI_REV_SPC3;
1849 cpi->ccb_h.status = CAM_REQ_CMP;
1850 break;
1851 }
1852 case XPT_GET_TRAN_SETTINGS:
1853 {
1854 struct ccb_trans_settings *cts;
1855 struct ccb_trans_settings_sas *sas;
1856 struct ccb_trans_settings_scsi *scsi;
1857
1858 if ( pmcsc->flags & AGTIAPI_SHUT_DOWN )
1859 {
1860 return;
1861 }
1862
1863 cts = &ccb->cts;
1864 sas = &ccb->cts.xport_specific.sas;
1865 scsi = &cts->proto_specific.scsi;
1866
1867 cts->protocol = PROTO_SCSI;
1868 cts->protocol_version = SCSI_REV_SPC3;
1869 cts->transport = XPORT_SAS;
1870 cts->transport_version = 0;
1871
1872 sas->valid = CTS_SAS_VALID_SPEED;
1873
1874 /* this sets the "MB/s transfers" */
1875 if (pmcsc != NULL && targetID >= 0 && targetID < maxTargets)
1876 {
1877 if (pmcsc->pWWNList != NULL)
1878 {
1879 TID = INDEX(pmcsc, targetID);
1880 if (TID < maxTargets)
1881 {
1882 pDevHandle = pmcsc->pDevList[TID].pDevHandle;
1883 }
1884 }
1885 }
1886 if (pDevHandle)
1887 {
1888 tiINIGetDeviceInfo( &pmcsc->tiRoot, pDevHandle, &devInfo );
1889 switch (devInfo.info.devType_S_Rate & 0xF)
1890 {
1891 case 0x8: speed = 150000;
1892 break;
1893 case 0x9: speed = 300000;
1894 break;
1895 case 0xA: speed = 600000;
1896 break;
1897 case 0xB: speed = 1200000;
1898 break;
1899 default: speed = 150000;
1900 break;
1901 }
1902 }
1903 sas->bitrate = speed;
1904 scsi->valid = CTS_SCSI_VALID_TQ;
1905 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
1906 ccb->ccb_h.status = CAM_REQ_CMP;
1907 break;
1908 }
1909 case XPT_RESET_BUS:
1910 {
1911 lRetVal = agtiapi_eh_HostReset( pmcsc, ccb ); // usually works first time
1912 if ( SUCCESS == lRetVal )
1913 {
1914 AGTIAPI_PRINTK( "agtiapi_cam_action: bus reset success.\n" );
1915 }
1916 else
1917 {
1918 AGTIAPI_PRINTK( "agtiapi_cam_action: bus reset failed.\n" );
1919 }
1920 ccb->ccb_h.status = CAM_REQ_CMP;
1921 break;
1922 }
1923 case XPT_RESET_DEV:
1924 {
1925 ccb->ccb_h.status = CAM_REQ_CMP;
1926 break;
1927 }
1928 case XPT_ABORT:
1929 {
1930 ccb->ccb_h.status = CAM_REQ_CMP;
1931 break;
1932 }
1933 #if __FreeBSD_version >= 900026
1934 case XPT_SMP_IO:
1935 {
1936 agtiapi_QueueSMP( pmcsc, ccb );
1937 return;
1938 }
1939 #endif /* __FreeBSD_version >= 900026 */
1940 case XPT_SCSI_IO:
1941 {
1942 if(pmcsc->dev_scan == agFALSE)
1943 {
1944 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
1945 break;
1946 }
1947 if (pmcsc->flags & AGTIAPI_SHUT_DOWN)
1948 {
1949 AGTIAPI_PRINTK( "agtiapi_cam_action: shutdown, XPT_SCSI_IO 0x%x\n",
1950 XPT_SCSI_IO );
1951 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1952 break;
1953 }
1954 else
1955 {
1956 AGTIAPI_IO( "agtiapi_cam_action: Zero XPT_SCSI_IO 0x%x, doing IOs\n",
1957 XPT_SCSI_IO );
1958 agtiapi_QueueCmnd_( pmcsc, ccb );
1959 return;
1960 }
1961 }
1962
1963 case XPT_CALC_GEOMETRY:
1964 {
1965 cam_calc_geometry(&ccb->ccg, 1);
1966 ccb->ccb_h.status = CAM_REQ_CMP;
1967 break;
1968 }
1969 default:
1970 {
1971 /*
1972 XPT_SET_TRAN_SETTINGS
1973 */
1974 AGTIAPI_IO( "agtiapi_cam_action: default function code 0x%x\n",
1975 ccb->ccb_h.func_code );
1976 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1977 break;
1978 }
1979 } /* switch */
1980 xpt_done(ccb);
1981 }
1982
1983
1984 /******************************************************************************
1985 agtiapi_GetCCB()
1986
1987 Purpose:
1988 Get a ccb from free list or allocate a new one
1989 Parameters:
1990 struct agtiapi_softc *pmcsc (IN) Pointer to HBA structure
1991 Return:
1992 Pointer to a ccb structure, or NULL if not available
1993 Note:
1994 ******************************************************************************/
agtiapi_GetCCB(struct agtiapi_softc * pmcsc)1995 STATIC pccb_t agtiapi_GetCCB( struct agtiapi_softc *pmcsc )
1996 {
1997 pccb_t pccb;
1998
1999 AGTIAPI_IO( "agtiapi_GetCCB: start\n" );
2000
2001 AG_LOCAL_LOCK( &pmcsc->ccbLock );
2002
2003 /* get the ccb from the head of the free list */
2004 if ((pccb = (pccb_t)pmcsc->ccbFreeList) != NULL)
2005 {
2006 pmcsc->ccbFreeList = (caddr_t *)pccb->pccbNext;
2007 pccb->pccbNext = NULL;
2008 pccb->flags = ACTIVE;
2009 pccb->startTime = 0;
2010 pmcsc->activeCCB++;
2011 AGTIAPI_IO( "agtiapi_GetCCB: re-allocated ccb %p\n", pccb );
2012 }
2013 else
2014 {
2015 AGTIAPI_PRINTK( "agtiapi_GetCCB: kmalloc ERROR - no ccb allocated\n" );
2016 }
2017
2018 AG_LOCAL_UNLOCK( &pmcsc->ccbLock );
2019 return pccb;
2020 }
2021
2022 /******************************************************************************
2023 agtiapi_QueueCmnd_()
2024
2025 Purpose:
2026 Calls for sending CCB and excuting on HBA.
2027 Parameters:
2028 struct agtiapi_softc *pmsc (IN) Pointer to the HBA data structure
2029 union ccb * ccb (IN) Pointer to CAM ccb data structure
2030 Return:
2031 0 - Command is pending to execute
2032 1 - Command returned without further process
2033 Note:
2034 ******************************************************************************/
agtiapi_QueueCmnd_(struct agtiapi_softc * pmcsc,union ccb * ccb)2035 int agtiapi_QueueCmnd_(struct agtiapi_softc *pmcsc, union ccb * ccb)
2036 {
2037 struct ccb_scsiio *csio = &ccb->csio;
2038 pccb_t pccb = agNULL; // call dequeue
2039 int status = tiSuccess;
2040 U32 Channel = CMND_TO_CHANNEL(ccb);
2041 U32 TID = CMND_TO_TARGET(ccb);
2042 U32 LUN = CMND_TO_LUN(ccb);
2043
2044 AGTIAPI_IO( "agtiapi_QueueCmnd_: start\n" );
2045
2046 /* no support for CBD > 16 */
2047 if (csio->cdb_len > 16)
2048 {
2049 AGTIAPI_PRINTK( "agtiapi_QueueCmnd_: unsupported CDB length %d\n",
2050 csio->cdb_len );
2051 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2052 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2053 ccb->ccb_h.status |= CAM_REQ_INVALID;//CAM_REQ_CMP;
2054 xpt_done(ccb);
2055 return tiError;
2056 }
2057 if (TID < 0 || TID >= maxTargets)
2058 {
2059 AGTIAPI_PRINTK("agtiapi_QueueCmnd_: INVALID TID ERROR\n");
2060 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2061 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2062 ccb->ccb_h.status |= CAM_DEV_NOT_THERE;//CAM_REQ_CMP;
2063 xpt_done(ccb);
2064 return tiError;
2065 }
2066 /* get a ccb */
2067 if ((pccb = agtiapi_GetCCB(pmcsc)) == NULL)
2068 {
2069 AGTIAPI_PRINTK("agtiapi_QueueCmnd_: GetCCB ERROR\n");
2070 if (pmcsc != NULL)
2071 {
2072 ag_device_t *targ;
2073 TID = INDEX(pmcsc, TID);
2074 targ = &pmcsc->pDevList[TID];
2075 agtiapi_adjust_queue_depth(ccb->ccb_h.path,targ->qdepth);
2076 }
2077 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2078 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2079 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
2080 xpt_done(ccb);
2081 return tiBusy;
2082 }
2083 pccb->pmcsc = pmcsc;
2084 /* initialize Command Control Block (CCB) */
2085 pccb->targetId = TID;
2086 pccb->lun = LUN;
2087 pccb->channel = Channel;
2088 pccb->ccb = ccb; /* for struct scsi_cmnd */
2089 pccb->senseLen = csio->sense_len;
2090 pccb->startTime = ticks;
2091 pccb->pSenseData = (caddr_t) &csio->sense_data;
2092 pccb->tiSuperScsiRequest.flags = 0;
2093
2094 /* each channel is reserved for different addr modes */
2095 pccb->addrMode = agtiapi_AddrModes[Channel];
2096
2097 status = agtiapi_PrepareSGList(pmcsc, pccb);
2098 if (status != tiSuccess)
2099 {
2100 AGTIAPI_PRINTK("agtiapi_QueueCmnd_: agtiapi_PrepareSGList failure\n");
2101 agtiapi_FreeCCB(pmcsc, pccb);
2102 if (status == tiReject)
2103 {
2104 ccb->ccb_h.status = CAM_REQ_INVALID;
2105 }
2106 else
2107 {
2108 ccb->ccb_h.status = CAM_REQ_CMP;
2109 }
2110 xpt_done( ccb );
2111 return tiError;
2112 }
2113 return status;
2114 }
2115
2116 /******************************************************************************
2117 agtiapi_DumpCDB()
2118
2119 Purpose:
2120 Prints out CDB
2121 Parameters:
2122 const char *ptitle (IN) A string to be printed
2123 ccb_t *pccb (IN) A pointer to the driver's own CCB, not CAM's CCB
2124 Return:
2125 Note:
2126 ******************************************************************************/
agtiapi_DumpCDB(const char * ptitle,ccb_t * pccb)2127 STATIC void agtiapi_DumpCDB(const char *ptitle, ccb_t *pccb)
2128 {
2129 union ccb *ccb;
2130 struct ccb_scsiio *csio;
2131 bit8 cdb[64];
2132 int len;
2133
2134 if (pccb == NULL)
2135 {
2136 printf( "agtiapi_DumpCDB: no pccb here \n" );
2137 panic("agtiapi_DumpCDB: pccb is NULL. called from %s\n", ptitle);
2138 return;
2139 }
2140 ccb = pccb->ccb;
2141 if (ccb == NULL)
2142 {
2143 printf( "agtiapi_DumpCDB: no ccb here \n" );
2144 panic( "agtiapi_DumpCDB: pccb %p ccb %p flags %d ccb NULL! "
2145 "called from %s\n",
2146 pccb, pccb->ccb, pccb->flags, ptitle );
2147 return;
2148 }
2149 csio = &ccb->csio;
2150 if (csio == NULL)
2151 {
2152 printf( "agtiapi_DumpCDB: no csio here \n" );
2153 panic( "agtiapi_DumpCDB: pccb%p ccb%p flags%d csio NULL! called from %s\n",
2154 pccb, pccb->ccb, pccb->flags, ptitle );
2155 return;
2156 }
2157 len = MIN(64, csio->cdb_len);
2158 if (csio->ccb_h.flags & CAM_CDB_POINTER)
2159 {
2160 bcopy(csio->cdb_io.cdb_ptr, &cdb[0], len);
2161 }
2162 else
2163 {
2164 bcopy(csio->cdb_io.cdb_bytes, &cdb[0], len);
2165 }
2166
2167 AGTIAPI_IO( "agtiapi_DumpCDB: pccb%p CDB0x%x csio->cdb_len %d"
2168 " len %d from %s\n",
2169 pccb, cdb[0],
2170 csio->cdb_len,
2171 len,
2172 ptitle );
2173 return;
2174 }
2175
2176 /******************************************************************************
2177 agtiapi_DoSoftReset()
2178
2179 Purpose:
2180 Do card reset
2181 Parameters:
2182 *data (IN) point to pmcsc (struct agtiapi_softc *)
2183 Return:
2184 Note:
2185 ******************************************************************************/
agtiapi_DoSoftReset(struct agtiapi_softc * pmcsc)2186 int agtiapi_DoSoftReset (struct agtiapi_softc *pmcsc)
2187 {
2188 int ret;
2189 unsigned long flags;
2190
2191 pmcsc->flags |= AGTIAPI_SOFT_RESET;
2192 AG_SPIN_LOCK_IRQ( agtiapi_host_lock, flags );
2193 ret = agtiapi_ResetCard( pmcsc, &flags );
2194 AG_SPIN_UNLOCK_IRQ( agtiapi_host_lock, flags );
2195
2196 if( ret != AGTIAPI_SUCCESS )
2197 return tiError;
2198
2199 return SUCCESS;
2200 }
2201
2202 /******************************************************************************
2203 agtiapi_CheckIOTimeout()
2204
2205 Purpose:
2206 Timeout function for SCSI IO or TM
2207 Parameters:
2208 *data (IN) point to pCard (ag_card_t *)
2209 Return:
2210 Note:
2211 ******************************************************************************/
agtiapi_CheckIOTimeout(void * data)2212 STATIC void agtiapi_CheckIOTimeout(void *data)
2213 {
2214 U32 status = AGTIAPI_SUCCESS;
2215 ccb_t *pccb;
2216 struct agtiapi_softc *pmcsc;
2217 pccb_t pccb_curr;
2218 pccb_t pccb_next;
2219 pmcsc = (struct agtiapi_softc *)data;
2220
2221 //AGTIAPI_PRINTK("agtiapi_CheckIOTimeout: Enter\n");
2222
2223 //AGTIAPI_PRINTK("agtiapi_CheckIOTimeout: Active CCB %d\n", pmcsc->activeCCB);
2224
2225 pccb = (pccb_t)pmcsc->ccbChainList;
2226
2227 /* if link is down, do nothing */
2228 if ((pccb == NULL) || (pmcsc->activeCCB == 0))
2229 {
2230 //AGTIAPI_PRINTK("agtiapi_CheckIOTimeout: goto restart_timer\n");
2231 goto restart_timer;
2232 }
2233
2234 AG_SPIN_LOCK_IRQ(agtiapi_host_lock, flags);
2235 if (pmcsc->flags & AGTIAPI_SHUT_DOWN)
2236 goto ext;
2237
2238 pccb_curr = pccb;
2239
2240 /* Walk thorugh the IO Chain linked list to find the pending io */
2241 /* Set the TM flag based on the pccb type, i.e SCSI IO or TM cmd */
2242 while (pccb_curr != NULL)
2243 {
2244 /* start from 1st ccb in the chain */
2245 pccb_next = pccb_curr->pccbChainNext;
2246 if( (pccb_curr->flags == 0) || (pccb_curr->tiIORequest.tdData == NULL) ||
2247 (pccb_curr->startTime == 0) /* && (pccb->startTime == 0) */)
2248 {
2249 //AGTIAPI_PRINTK("agtiapi_CheckIOTimeout: move to next element\n");
2250 }
2251 else if ( ( (ticks-pccb_curr->startTime) >= ag_timeout_secs ) &&
2252 !(pccb_curr->flags & TIMEDOUT) )
2253 {
2254 AGTIAPI_PRINTK( "agtiapi_CheckIOTimeout: pccb %p timed out, call TM "
2255 "function -- flags=%x startTime=%ld tdData = %p\n",
2256 pccb_curr, pccb_curr->flags, pccb->startTime,
2257 pccb_curr->tiIORequest.tdData );
2258 pccb_curr->flags |= TIMEDOUT;
2259 status = agtiapi_StartTM(pmcsc, pccb_curr);
2260 if (status == AGTIAPI_SUCCESS)
2261 {
2262 AGTIAPI_PRINTK( "agtiapi_CheckIOTimeout: TM Request sent with "
2263 "success\n" );
2264 goto restart_timer;
2265 }
2266 else
2267 {
2268 #ifdef AGTIAPI_LOCAL_RESET
2269 /* abort request did not go through */
2270 AGTIAPI_PRINTK("agtiapi_CheckIOTimeout: Abort request failed\n");
2271 /* TODO: call Soft reset here */
2272 AGTIAPI_PRINTK( "agtiapi_CheckIOTimeout:in agtiapi_CheckIOTimeout() "
2273 "abort request did not go thru ==> soft reset#7, then "
2274 "restart timer\n" );
2275 agtiapi_DoSoftReset (pmcsc);
2276 goto restart_timer;
2277 #endif
2278 }
2279 }
2280 pccb_curr = pccb_next;
2281 }
2282 restart_timer:
2283 callout_reset(&pmcsc->IO_timer, 1*hz, agtiapi_CheckIOTimeout, pmcsc);
2284
2285 ext:
2286 AG_SPIN_UNLOCK_IRQ(agtiapi_host_lock, flags);
2287 return;
2288 }
2289
2290 /******************************************************************************
2291 agtiapi_StartTM()
2292
2293 Purpose:
2294 DDI calls for aborting outstanding IO command
2295 Parameters:
2296 struct scsi_cmnd *pccb (IN) Pointer to the command to be aborted
2297 unsigned long flags (IN/out) spinlock flags used in locking from
2298 calling layers
2299 Return:
2300 AGTIAPI_SUCCESS - success
2301 AGTIAPI_FAIL - fail
2302 ******************************************************************************/
2303 int
agtiapi_StartTM(struct agtiapi_softc * pCard,ccb_t * pccb)2304 agtiapi_StartTM(struct agtiapi_softc *pCard, ccb_t *pccb)
2305 {
2306 ccb_t *pTMccb = NULL;
2307 U32 status = AGTIAPI_SUCCESS;
2308 ag_device_t *pDevice = NULL;
2309 U32 TMstatus = tiSuccess;
2310 AGTIAPI_PRINTK( "agtiapi_StartTM: pccb %p, pccb->flags %x\n",
2311 pccb, pccb->flags );
2312 if (pccb == NULL)
2313 {
2314 AGTIAPI_PRINTK("agtiapi_StartTM: %p not found\n",pccb);
2315 status = AGTIAPI_SUCCESS;
2316 goto ext;
2317 }
2318 if (!pccb->tiIORequest.tdData)
2319 {
2320 /* should not be the case */
2321 AGTIAPI_PRINTK("agtiapi_StartTM: ccb %p flag 0x%x tid %d no tdData "
2322 "ERROR\n", pccb, pccb->flags, pccb->targetId);
2323 status = AGTIAPI_FAIL;
2324 }
2325 else
2326 {
2327 /* If timedout CCB is TM_ABORT_TASK command, issue LocalAbort first to
2328 clear pending TM_ABORT_TASK */
2329 /* Else Device State will not be put back to Operational, (refer FW) */
2330 if (pccb->flags & TASK_MANAGEMENT)
2331 {
2332 if (tiINIIOAbort(&pCard->tiRoot, &pccb->tiIORequest) != tiSuccess)
2333 {
2334 AGTIAPI_PRINTK( "agtiapi_StartTM: LocalAbort Request for Abort_TASK "
2335 "TM failed\n" );
2336 /* TODO: call Soft reset here */
2337 AGTIAPI_PRINTK( "agtiapi_StartTM: in agtiapi_StartTM() abort "
2338 "tiINIIOAbort() failed ==> soft reset#8\n" );
2339 agtiapi_DoSoftReset( pCard );
2340 }
2341 else
2342 {
2343 AGTIAPI_PRINTK( "agtiapi_StartTM: LocalAbort for Abort_TASK TM "
2344 "Request sent\n" );
2345 status = AGTIAPI_SUCCESS;
2346 }
2347 }
2348 else
2349 {
2350 /* get a ccb */
2351 if ((pTMccb = agtiapi_GetCCB(pCard)) == NULL)
2352 {
2353 AGTIAPI_PRINTK("agtiapi_StartTM: TM resource unavailable!\n");
2354 status = AGTIAPI_FAIL;
2355 goto ext;
2356 }
2357 pTMccb->pmcsc = pCard;
2358 pTMccb->targetId = pccb->targetId;
2359 pTMccb->devHandle = pccb->devHandle;
2360 if (pTMccb->targetId >= pCard->devDiscover)
2361 {
2362 AGTIAPI_PRINTK("agtiapi_StartTM: Incorrect dev Id in TM!\n");
2363 status = AGTIAPI_FAIL;
2364 goto ext;
2365 }
2366 if (pTMccb->targetId < 0 || pTMccb->targetId >= maxTargets)
2367 {
2368 return AGTIAPI_FAIL;
2369 }
2370 if (INDEX(pCard, pTMccb->targetId) >= maxTargets)
2371 {
2372 return AGTIAPI_FAIL;
2373 }
2374 pDevice = &pCard->pDevList[INDEX(pCard, pTMccb->targetId)];
2375 if ((pDevice == NULL) || !(pDevice->flags & ACTIVE))
2376 {
2377 return AGTIAPI_FAIL;
2378 }
2379
2380 /* save pending io to issue local abort at Task mgmt CB */
2381 pTMccb->pccbIO = pccb;
2382 AGTIAPI_PRINTK( "agtiapi_StartTM: pTMccb %p flag %x tid %d via TM "
2383 "request !\n",
2384 pTMccb, pTMccb->flags, pTMccb->targetId );
2385 pTMccb->flags &= ~(TASK_SUCCESS | ACTIVE);
2386 pTMccb->flags |= TASK_MANAGEMENT;
2387 TMstatus = tiINITaskManagement(&pCard->tiRoot,
2388 pccb->devHandle,
2389 AG_ABORT_TASK,
2390 &pccb->tiSuperScsiRequest.scsiCmnd.lun,
2391 &pccb->tiIORequest,
2392 &pTMccb->tiIORequest);
2393 if (TMstatus == tiSuccess)
2394 {
2395 AGTIAPI_PRINTK( "agtiapi_StartTM: TM_ABORT_TASK request success ccb "
2396 "%p, pTMccb %p\n",
2397 pccb, pTMccb );
2398 pTMccb->startTime = ticks;
2399 status = AGTIAPI_SUCCESS;
2400 }
2401 else if (TMstatus == tiIONoDevice)
2402 {
2403 AGTIAPI_PRINTK( "agtiapi_StartTM: TM_ABORT_TASK request tiIONoDevice ccb "
2404 "%p, pTMccb %p\n",
2405 pccb, pTMccb );
2406 status = AGTIAPI_SUCCESS;
2407 }
2408 else
2409 {
2410 AGTIAPI_PRINTK( "agtiapi_StartTM: TM_ABORT_TASK request failed ccb %p, "
2411 "pTMccb %p\n",
2412 pccb, pTMccb );
2413 status = AGTIAPI_FAIL;
2414 agtiapi_FreeTMCCB(pCard, pTMccb);
2415 /* TODO */
2416 /* call TM_TARGET_RESET */
2417 }
2418 }
2419 }
2420 ext:
2421 AGTIAPI_PRINTK("agtiapi_StartTM: return %d flgs %x\n", status,
2422 (pccb) ? pccb->flags : -1);
2423 return status;
2424 } /* agtiapi_StartTM */
2425
2426 #if __FreeBSD_version > 901000
2427 /******************************************************************************
2428 agtiapi_PrepareSGList()
2429
2430 Purpose:
2431 This function prepares scatter-gather list for the given ccb
2432 Parameters:
2433 struct agtiapi_softc *pmsc (IN) Pointer to the HBA data structure
2434 ccb_t *pccb (IN) A pointer to the driver's own CCB, not CAM's CCB
2435 Return:
2436 0 - success
2437 1 - failure
2438
2439 Note:
2440 ******************************************************************************/
agtiapi_PrepareSGList(struct agtiapi_softc * pmcsc,ccb_t * pccb)2441 static int agtiapi_PrepareSGList(struct agtiapi_softc *pmcsc, ccb_t *pccb)
2442 {
2443 union ccb *ccb = pccb->ccb;
2444 struct ccb_scsiio *csio = &ccb->csio;
2445 struct ccb_hdr *ccbh = &ccb->ccb_h;
2446 AGTIAPI_IO( "agtiapi_PrepareSGList: start\n" );
2447
2448 // agtiapi_DumpCDB("agtiapi_PrepareSGList", pccb);
2449 AGTIAPI_IO( "agtiapi_PrepareSGList: dxfer_len %d\n", csio->dxfer_len );
2450
2451 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE)
2452 {
2453 switch((ccbh->flags & CAM_DATA_MASK))
2454 {
2455 int error;
2456 struct bus_dma_segment seg;
2457 case CAM_DATA_VADDR:
2458 /* Virtual address that needs to translated into one or more physical address ranges. */
2459 // int error;
2460 // AG_LOCAL_LOCK(&(pmcsc->pCardInfo->pmIOLock));
2461 AGTIAPI_IO( "agtiapi_PrepareSGList: virtual address\n" );
2462 error = bus_dmamap_load( pmcsc->buffer_dmat,
2463 pccb->CCB_dmamap,
2464 csio->data_ptr,
2465 csio->dxfer_len,
2466 agtiapi_PrepareSGListCB,
2467 pccb,
2468 BUS_DMA_NOWAIT/* 0 */ );
2469 // AG_LOCAL_UNLOCK( &(pmcsc->pCardInfo->pmIOLock) );
2470
2471 if (error == EINPROGRESS)
2472 {
2473 /* So as to maintain ordering, freeze the controller queue until our mapping is returned. */
2474 AGTIAPI_PRINTK("agtiapi_PrepareSGList: EINPROGRESS\n");
2475 xpt_freeze_simq(pmcsc->sim, 1);
2476 pmcsc->SimQFrozen = agTRUE;
2477 ccbh->status |= CAM_RELEASE_SIMQ;
2478 }
2479 break;
2480 case CAM_DATA_PADDR:
2481 /* We have been given a pointer to single physical buffer. */
2482 /* pccb->tiSuperScsiRequest.sglVirtualAddr = seg.ds_addr; */
2483 //struct bus_dma_segment seg;
2484 AGTIAPI_PRINTK("agtiapi_PrepareSGList: physical address\n");
2485 seg.ds_addr =
2486 (bus_addr_t)(vm_offset_t)csio->data_ptr;
2487 seg.ds_len = csio->dxfer_len;
2488 // * 0xFF to be defined
2489 agtiapi_PrepareSGListCB(pccb, &seg, 1, 0xAABBCCDD);
2490 break;
2491 default:
2492 AGTIAPI_PRINTK("agtiapi_PrepareSGList: unexpected case\n");
2493 return tiReject;
2494 }
2495 }
2496 else
2497 {
2498 agtiapi_PrepareSGListCB(pccb, NULL, 0, 0xAAAAAAAA);
2499 }
2500 return tiSuccess;
2501 }
2502 #else
2503 /******************************************************************************
2504 agtiapi_PrepareSGList()
2505
2506 Purpose:
2507 This function prepares scatter-gather list for the given ccb
2508 Parameters:
2509 struct agtiapi_softc *pmsc (IN) Pointer to the HBA data structure
2510 ccb_t *pccb (IN) A pointer to the driver's own CCB, not CAM's CCB
2511 Return:
2512 0 - success
2513 1 - failure
2514
2515 Note:
2516 ******************************************************************************/
agtiapi_PrepareSGList(struct agtiapi_softc * pmcsc,ccb_t * pccb)2517 static int agtiapi_PrepareSGList(struct agtiapi_softc *pmcsc, ccb_t *pccb)
2518 {
2519 union ccb *ccb = pccb->ccb;
2520 struct ccb_scsiio *csio = &ccb->csio;
2521 struct ccb_hdr *ccbh = &ccb->ccb_h;
2522 AGTIAPI_IO( "agtiapi_PrepareSGList: start\n" );
2523 // agtiapi_DumpCDB("agtiapi_PrepareSGList", pccb);
2524 AGTIAPI_IO( "agtiapi_PrepareSGList: dxfer_len %d\n", csio->dxfer_len );
2525
2526 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE)
2527 {
2528 if ((ccbh->flags & CAM_SCATTER_VALID) == 0)
2529 {
2530 /* We've been given a pointer to a single buffer. */
2531 if ((ccbh->flags & CAM_DATA_PHYS) == 0)
2532 {
2533 /* Virtual address that needs to translated into one or more physical address ranges. */
2534 int error;
2535 // AG_LOCAL_LOCK(&(pmcsc->pCardInfo->pmIOLock));
2536 AGTIAPI_IO( "agtiapi_PrepareSGList: virtual address\n" );
2537 error = bus_dmamap_load( pmcsc->buffer_dmat,
2538 pccb->CCB_dmamap,
2539 csio->data_ptr,
2540 csio->dxfer_len,
2541 agtiapi_PrepareSGListCB,
2542 pccb,
2543 BUS_DMA_NOWAIT/* 0 */ );
2544 // AG_LOCAL_UNLOCK( &(pmcsc->pCardInfo->pmIOLock) );
2545
2546 if (error == EINPROGRESS)
2547 {
2548 /* So as to maintain ordering, freeze the controller queue until our mapping is returned. */
2549 AGTIAPI_PRINTK("agtiapi_PrepareSGList: EINPROGRESS\n");
2550 xpt_freeze_simq(pmcsc->sim, 1);
2551 pmcsc->SimQFrozen = agTRUE;
2552 ccbh->status |= CAM_RELEASE_SIMQ;
2553 }
2554 }
2555 else
2556 {
2557 /* We have been given a pointer to single physical buffer. */
2558 /* pccb->tiSuperScsiRequest.sglVirtualAddr = seg.ds_addr; */
2559 struct bus_dma_segment seg;
2560 AGTIAPI_PRINTK("agtiapi_PrepareSGList: physical address\n");
2561 seg.ds_addr =
2562 (bus_addr_t)(vm_offset_t)csio->data_ptr;
2563 seg.ds_len = csio->dxfer_len;
2564 // * 0xFF to be defined
2565 agtiapi_PrepareSGListCB(pccb, &seg, 1, 0xAABBCCDD);
2566 }
2567 }
2568 else
2569 {
2570
2571 AGTIAPI_PRINTK("agtiapi_PrepareSGList: unexpected case\n");
2572 return tiReject;
2573 }
2574 }
2575 else
2576 {
2577 agtiapi_PrepareSGListCB(pccb, NULL, 0, 0xAAAAAAAA);
2578 }
2579 return tiSuccess;
2580 }
2581
2582 #endif
2583 /******************************************************************************
2584 agtiapi_PrepareSGListCB()
2585
2586 Purpose:
2587 Callback function for bus_dmamap_load()
2588 This fuctions sends IO to LL layer.
2589 Parameters:
2590 void *arg (IN) Pointer to the HBA data structure
2591 bus_dma_segment_t *segs (IN) Pointer to dma segment
2592 int nsegs (IN) number of dma segment
2593 int error (IN) error
2594 Return:
2595 Note:
2596 ******************************************************************************/
agtiapi_PrepareSGListCB(void * arg,bus_dma_segment_t * segs,int nsegs,int error)2597 static void agtiapi_PrepareSGListCB( void *arg,
2598 bus_dma_segment_t *segs,
2599 int nsegs,
2600 int error )
2601 {
2602 pccb_t pccb = arg;
2603 union ccb *ccb = pccb->ccb;
2604 struct ccb_scsiio *csio = &ccb->csio;
2605
2606 struct agtiapi_softc *pmcsc;
2607 tiIniScsiCmnd_t *pScsiCmnd;
2608 bit32 i;
2609 bus_dmasync_op_t op;
2610 U32_64 phys_addr;
2611 U08 *CDB;
2612 int io_is_encryptable = 0;
2613 unsigned long long start_lba = 0;
2614 ag_device_t *pDev;
2615 U32 TID = CMND_TO_TARGET(ccb);
2616
2617 AGTIAPI_IO( "agtiapi_PrepareSGListCB: start, nsegs %d error 0x%x\n",
2618 nsegs, error );
2619 pmcsc = pccb->pmcsc;
2620
2621 if (error != tiSuccess)
2622 {
2623 if (error == 0xAABBCCDD || error == 0xAAAAAAAA)
2624 {
2625 // do nothing
2626 }
2627 else
2628 {
2629 AGTIAPI_PRINTK("agtiapi_PrepareSGListCB: error status 0x%x\n", error);
2630 bus_dmamap_unload(pmcsc->buffer_dmat, pccb->CCB_dmamap);
2631 bus_dmamap_destroy(pmcsc->buffer_dmat, pccb->CCB_dmamap);
2632 agtiapi_FreeCCB(pmcsc, pccb);
2633 ccb->ccb_h.status = CAM_REQ_CMP;
2634 xpt_done(ccb);
2635 return;
2636 }
2637 }
2638
2639 if (nsegs > AGTIAPI_MAX_DMA_SEGS)
2640 {
2641 AGTIAPI_PRINTK( "agtiapi_PrepareSGListCB: over the limit. nsegs %d"
2642 " AGTIAPI_MAX_DMA_SEGS %d\n",
2643 nsegs, AGTIAPI_MAX_DMA_SEGS );
2644 bus_dmamap_unload(pmcsc->buffer_dmat, pccb->CCB_dmamap);
2645 bus_dmamap_destroy(pmcsc->buffer_dmat, pccb->CCB_dmamap);
2646 agtiapi_FreeCCB(pmcsc, pccb);
2647 ccb->ccb_h.status = CAM_REQ_CMP;
2648 xpt_done(ccb);
2649 return;
2650 }
2651
2652
2653 /* fill in IO information */
2654 pccb->dataLen = csio->dxfer_len;
2655
2656 /* start fill in sgl structure */
2657 if (nsegs == 1 && error == 0xAABBCCDD)
2658 {
2659 /* to be tested */
2660 /* A single physical buffer */
2661 AGTIAPI_PRINTK("agtiapi_PrepareSGListCB: nsegs is 1\n");
2662 CPU_TO_LE32(pccb->tiSuperScsiRequest.agSgl1, segs[0].ds_addr);
2663 pccb->tiSuperScsiRequest.agSgl1.len = htole32(pccb->dataLen);
2664 pccb->tiSuperScsiRequest.agSgl1.type = htole32(tiSgl);
2665 pccb->tiSuperScsiRequest.sglVirtualAddr = (void *)segs->ds_addr;
2666 pccb->numSgElements = 1;
2667 }
2668 else if (nsegs == 0 && error == 0xAAAAAAAA)
2669 {
2670 /* no data transfer */
2671 AGTIAPI_IO( "agtiapi_PrepareSGListCB: no data transfer\n" );
2672 pccb->tiSuperScsiRequest.agSgl1.len = 0;
2673 pccb->dataLen = 0;
2674 pccb->numSgElements = 0;
2675 }
2676 else
2677 {
2678 /* virtual/logical buffer */
2679 if (nsegs == 1)
2680 {
2681 pccb->dataLen = segs[0].ds_len;
2682
2683 CPU_TO_LE32(pccb->tiSuperScsiRequest.agSgl1, segs[0].ds_addr);
2684 pccb->tiSuperScsiRequest.agSgl1.type = htole32(tiSgl);
2685 pccb->tiSuperScsiRequest.agSgl1.len = htole32(segs[0].ds_len);
2686 pccb->tiSuperScsiRequest.sglVirtualAddr = (void *)csio->data_ptr;
2687 pccb->numSgElements = nsegs;
2688
2689 }
2690 else
2691 {
2692 pccb->dataLen = 0;
2693 /* loop */
2694 for (i = 0; i < nsegs; i++)
2695 {
2696 pccb->sgList[i].len = htole32(segs[i].ds_len);
2697 CPU_TO_LE32(pccb->sgList[i], segs[i].ds_addr);
2698 pccb->sgList[i].type = htole32(tiSgl);
2699 pccb->dataLen += segs[i].ds_len;
2700
2701 } /* for */
2702 pccb->numSgElements = nsegs;
2703 /* set up sgl buffer address */
2704 CPU_TO_LE32(pccb->tiSuperScsiRequest.agSgl1, pccb->tisgl_busaddr);
2705 pccb->tiSuperScsiRequest.agSgl1.type = htole32(tiSglList);
2706 pccb->tiSuperScsiRequest.agSgl1.len = htole32(pccb->dataLen);
2707 pccb->tiSuperScsiRequest.sglVirtualAddr = (void *)csio->data_ptr;
2708 pccb->numSgElements = nsegs;
2709 } /* else */
2710 }
2711
2712 /* set data transfer direction */
2713 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
2714 {
2715 op = BUS_DMASYNC_PREWRITE;
2716 pccb->tiSuperScsiRequest.dataDirection = tiDirectionOut;
2717 }
2718 else
2719 {
2720 op = BUS_DMASYNC_PREREAD;
2721 pccb->tiSuperScsiRequest.dataDirection = tiDirectionIn;
2722 }
2723
2724 pScsiCmnd = &pccb->tiSuperScsiRequest.scsiCmnd;
2725
2726 pScsiCmnd->expDataLength = pccb->dataLen;
2727
2728 if (csio->ccb_h.flags & CAM_CDB_POINTER)
2729 {
2730 bcopy(csio->cdb_io.cdb_ptr, &pScsiCmnd->cdb[0], csio->cdb_len);
2731 }
2732 else
2733 {
2734 bcopy(csio->cdb_io.cdb_bytes, &pScsiCmnd->cdb[0],csio->cdb_len);
2735 }
2736
2737 CDB = &pScsiCmnd->cdb[0];
2738
2739 switch (CDB[0])
2740 {
2741 case REQUEST_SENSE: /* requires different buffer */
2742 /* This code should not be excercised because SAS support auto sense
2743 For the completeness, vtophys() is still used here.
2744 */
2745 AGTIAPI_PRINTK("agtiapi_PrepareSGListCB: QueueCmnd - REQUEST SENSE new\n");
2746 pccb->tiSuperScsiRequest.agSgl1.len = htole32(pccb->senseLen);
2747 phys_addr = vtophys(&csio->sense_data);
2748 CPU_TO_LE32(pccb->tiSuperScsiRequest.agSgl1, phys_addr);
2749 pccb->tiSuperScsiRequest.agSgl1.type = htole32(tiSgl);
2750 pccb->dataLen = pccb->senseLen;
2751 pccb->numSgElements = 1;
2752 break;
2753 case INQUIRY:
2754 /* only using lun 0 for device type detection */
2755 pccb->flags |= AGTIAPI_INQUIRY;
2756 break;
2757 case TEST_UNIT_READY:
2758 case RESERVE:
2759 case RELEASE:
2760 case START_STOP:
2761 pccb->tiSuperScsiRequest.agSgl1.len = 0;
2762 pccb->dataLen = 0;
2763 break;
2764 case READ_6:
2765 case WRITE_6:
2766 /* Extract LBA */
2767 start_lba = ((CDB[1] & 0x1f) << 16) |
2768 (CDB[2] << 8) |
2769 (CDB[3]);
2770 #ifdef HIALEAH_ENCRYPTION
2771 io_is_encryptable = 1;
2772 #endif
2773 break;
2774 case READ_10:
2775 case WRITE_10:
2776 case READ_12:
2777 case WRITE_12:
2778 /* Extract LBA */
2779 start_lba = (CDB[2] << 24) |
2780 (CDB[3] << 16) |
2781 (CDB[4] << 8) |
2782 (CDB[5]);
2783 #ifdef HIALEAH_ENCRYPTION
2784 io_is_encryptable = 1;
2785 #endif
2786 break;
2787 case READ_16:
2788 case WRITE_16:
2789 /* Extract LBA */
2790 start_lba = (CDB[2] << 24) |
2791 (CDB[3] << 16) |
2792 (CDB[4] << 8) |
2793 (CDB[5]);
2794 start_lba <<= 32;
2795 start_lba |= ((CDB[6] << 24) |
2796 (CDB[7] << 16) |
2797 (CDB[8] << 8) |
2798 (CDB[9]));
2799 #ifdef HIALEAH_ENCRYPTION
2800 io_is_encryptable = 1;
2801 #endif
2802 break;
2803 default:
2804 break;
2805 }
2806
2807 /* fill device lun based one address mode */
2808 agtiapi_SetLunField(pccb);
2809
2810 if (pccb->targetId < 0 || pccb->targetId >= maxTargets)
2811 {
2812 pccb->ccbStatus = tiIOFailed;
2813 pccb->scsiStatus = tiDetailNoLogin;
2814 agtiapi_FreeCCB(pmcsc, pccb);
2815 ccb->ccb_h.status = CAM_DEV_NOT_THERE; // ## v. CAM_FUNC_NOTAVAIL
2816 xpt_done(ccb);
2817 pccb->ccb = NULL;
2818 return;
2819 }
2820 if (INDEX(pmcsc, pccb->targetId) >= maxTargets)
2821 {
2822 pccb->ccbStatus = tiIOFailed;
2823 pccb->scsiStatus = tiDetailNoLogin;
2824 agtiapi_FreeCCB(pmcsc, pccb);
2825 ccb->ccb_h.status = CAM_DEV_NOT_THERE; // ## v. CAM_FUNC_NOTAVAIL
2826 xpt_done(ccb);
2827 pccb->ccb = NULL;
2828 return;
2829 }
2830 pDev = &pmcsc->pDevList[INDEX(pmcsc, pccb->targetId)];
2831
2832 #if 1
2833 if ((pmcsc->flags & EDC_DATA) &&
2834 (pDev->flags & EDC_DATA))
2835 {
2836 /*
2837 * EDC support:
2838 *
2839 * Possible command supported -
2840 * READ_6, READ_10, READ_12, READ_16, READ_LONG, READ_BUFFER,
2841 * READ_DEFECT_DATA, etc.
2842 * WRITE_6, WRITE_10, WRITE_12, WRITE_16, WRITE_LONG, WRITE_LONG2,
2843 * WRITE_BUFFER, WRITE_VERIFY, WRITE_VERIFY_12, etc.
2844 *
2845 * Do some data length adjustment and set chip operation instruction.
2846 */
2847 switch (CDB[0])
2848 {
2849 case READ_6:
2850 case READ_10:
2851 case READ_12:
2852 case READ_16:
2853 // BUG_ON(pccb->tiSuperScsiRequest.flags & TI_SCSI_INITIATOR_ENCRYPT);
2854 #ifdef AGTIAPI_TEST_DIF
2855 pccb->tiSuperScsiRequest.flags |= TI_SCSI_INITIATOR_DIF;
2856 #endif
2857 pccb->flags |= EDC_DATA;
2858
2859 #ifdef TEST_VERIFY_AND_FORWARD
2860 pccb->tiSuperScsiRequest.Dif.flags =
2861 DIF_VERIFY_FORWARD | DIF_UDT_REF_BLOCK_COUNT;
2862 if(pDev->sector_size == 520) {
2863 pScsiCmnd->expDataLength += (pccb->dataLen / 512) * 8;
2864 } else if(pDev->sector_size == 4104) {
2865 pScsiCmnd->expDataLength += (pccb->dataLen / 4096) * 8;
2866 }
2867 #else
2868 #ifdef AGTIAPI_TEST_DIF
2869 pccb->tiSuperScsiRequest.Dif.flags =
2870 DIF_VERIFY_DELETE | DIF_UDT_REF_BLOCK_COUNT;
2871 #endif
2872 #endif
2873 #ifdef AGTIAPI_TEST_DIF
2874 switch(pDev->sector_size) {
2875 case 528:
2876 pccb->tiSuperScsiRequest.Dif.flags |=
2877 ( DIF_BLOCK_SIZE_520 << 16 );
2878 break;
2879 case 4104:
2880 pccb->tiSuperScsiRequest.Dif.flags |=
2881 ( DIF_BLOCK_SIZE_4096 << 16 );
2882 break;
2883 case 4168:
2884 pccb->tiSuperScsiRequest.Dif.flags |=
2885 ( DIF_BLOCK_SIZE_4160 << 16 );
2886 break;
2887 }
2888
2889 if(pCard->flags & EDC_DATA_CRC)
2890 pccb->tiSuperScsiRequest.Dif.flags |= DIF_CRC_VERIFICATION;
2891
2892 /* Turn on upper 4 bits of UVM */
2893 pccb->tiSuperScsiRequest.Dif.flags |= 0x03c00000;
2894
2895 #endif
2896 #ifdef AGTIAPI_TEST_DPL
2897 if(agtiapi_SetupDifPerLA(pCard, pccb, start_lba) < 0) {
2898 printk(KERN_ERR "SetupDifPerLA Failed.\n");
2899 cmnd->result = SCSI_HOST(DID_ERROR);
2900 goto err;
2901 }
2902 pccb->tiSuperScsiRequest.Dif.enableDIFPerLA = TRUE;
2903 #endif
2904 #ifdef AGTIAPI_TEST_DIF
2905 /* Set App Tag */
2906 pccb->tiSuperScsiRequest.Dif.udtArray[0] = 0xaa;
2907 pccb->tiSuperScsiRequest.Dif.udtArray[1] = 0xbb;
2908
2909 /* Set LBA in UDT array */
2910 if(CDB[0] == READ_6) {
2911 pccb->tiSuperScsiRequest.Dif.udtArray[2] = CDB[3];
2912 pccb->tiSuperScsiRequest.Dif.udtArray[3] = CDB[2];
2913 pccb->tiSuperScsiRequest.Dif.udtArray[4] = CDB[1] & 0x1f;
2914 pccb->tiSuperScsiRequest.Dif.udtArray[5] = 0;
2915 } else if(CDB[0] == READ_10 || CDB[0] == READ_12) {
2916 pccb->tiSuperScsiRequest.Dif.udtArray[2] = CDB[5];
2917 pccb->tiSuperScsiRequest.Dif.udtArray[3] = CDB[4];
2918 pccb->tiSuperScsiRequest.Dif.udtArray[4] = CDB[3];
2919 pccb->tiSuperScsiRequest.Dif.udtArray[5] = CDB[2];
2920 } else if(CDB[0] == READ_16) {
2921 pccb->tiSuperScsiRequest.Dif.udtArray[2] = CDB[9];
2922 pccb->tiSuperScsiRequest.Dif.udtArray[3] = CDB[8];
2923 pccb->tiSuperScsiRequest.Dif.udtArray[4] = CDB[7];
2924 pccb->tiSuperScsiRequest.Dif.udtArray[5] = CDB[6];
2925 /* Note: 32 bits lost */
2926 }
2927 #endif
2928
2929 break;
2930 case WRITE_6:
2931 case WRITE_10:
2932 case WRITE_12:
2933 case WRITE_16:
2934 // BUG_ON(pccb->tiSuperScsiRequest.flags & TI_SCSI_INITIATOR_ENCRYPT);
2935 pccb->flags |= EDC_DATA;
2936 #ifdef AGTIAPI_TEST_DIF
2937 pccb->tiSuperScsiRequest.flags |= TI_SCSI_INITIATOR_DIF;
2938 pccb->tiSuperScsiRequest.Dif.flags =
2939 DIF_INSERT | DIF_UDT_REF_BLOCK_COUNT;
2940 switch(pDev->sector_size) {
2941 case 528:
2942 pccb->tiSuperScsiRequest.Dif.flags |=
2943 (DIF_BLOCK_SIZE_520 << 16);
2944 break;
2945 case 4104:
2946 pccb->tiSuperScsiRequest.Dif.flags |=
2947 ( DIF_BLOCK_SIZE_4096 << 16 );
2948 break;
2949 case 4168:
2950 pccb->tiSuperScsiRequest.Dif.flags |=
2951 ( DIF_BLOCK_SIZE_4160 << 16 );
2952 break;
2953 }
2954
2955 /* Turn on upper 4 bits of UUM */
2956 pccb->tiSuperScsiRequest.Dif.flags |= 0xf0000000;
2957 #endif
2958 #ifdef AGTIAPI_TEST_DPL
2959 if(agtiapi_SetupDifPerLA(pCard, pccb, start_lba) < 0) {
2960 printk(KERN_ERR "SetupDifPerLA Failed.\n");
2961 cmnd->result = SCSI_HOST(DID_ERROR);
2962 goto err;
2963 }
2964 pccb->tiSuperScsiRequest.Dif.enableDIFPerLA = TRUE;
2965 #endif
2966 #ifdef AGTIAPI_TEST_DIF
2967 /* Set App Tag */
2968 pccb->tiSuperScsiRequest.Dif.udtArray[0] = 0xaa;
2969 pccb->tiSuperScsiRequest.Dif.udtArray[1] = 0xbb;
2970
2971 /* Set LBA in UDT array */
2972 if(CDB[0] == WRITE_6) {
2973 pccb->tiSuperScsiRequest.Dif.udtArray[2] = CDB[3];
2974 pccb->tiSuperScsiRequest.Dif.udtArray[3] = CDB[2];
2975 pccb->tiSuperScsiRequest.Dif.udtArray[4] = CDB[1] & 0x1f;
2976 } else if(CDB[0] == WRITE_10 || CDB[0] == WRITE_12) {
2977 pccb->tiSuperScsiRequest.Dif.udtArray[2] = CDB[5];
2978 pccb->tiSuperScsiRequest.Dif.udtArray[3] = CDB[4];
2979 pccb->tiSuperScsiRequest.Dif.udtArray[4] = CDB[3];
2980 pccb->tiSuperScsiRequest.Dif.udtArray[5] = CDB[2];
2981 } else if(CDB[0] == WRITE_16) {
2982 pccb->tiSuperScsiRequest.Dif.udtArray[2] = CDB[5];
2983 pccb->tiSuperScsiRequest.Dif.udtArray[3] = CDB[4];
2984 pccb->tiSuperScsiRequest.Dif.udtArray[4] = CDB[3];
2985 pccb->tiSuperScsiRequest.Dif.udtArray[5] = CDB[2];
2986 /* Note: 32 bits lost */
2987 }
2988 #endif
2989 break;
2990 }
2991 }
2992 #endif /* end of DIF */
2993
2994 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) != 0)
2995 {
2996 switch(csio->tag_action)
2997 {
2998 case MSG_HEAD_OF_Q_TAG:
2999 pScsiCmnd->taskAttribute = TASK_HEAD_OF_QUEUE;
3000 break;
3001 case MSG_ACA_TASK:
3002 pScsiCmnd->taskAttribute = TASK_ACA;
3003 break;
3004 case MSG_ORDERED_Q_TAG:
3005 pScsiCmnd->taskAttribute = TASK_ORDERED;
3006 break;
3007 case MSG_SIMPLE_Q_TAG: /* fall through */
3008 default:
3009 pScsiCmnd->taskAttribute = TASK_SIMPLE;
3010 break;
3011 }
3012 }
3013
3014 if (pccb->tiSuperScsiRequest.agSgl1.len != 0 && pccb->dataLen != 0)
3015 {
3016 /* should be just before start IO */
3017 bus_dmamap_sync(pmcsc->buffer_dmat, pccb->CCB_dmamap, op);
3018 }
3019
3020 /*
3021 * If assigned pDevHandle is not available
3022 * then there is no need to send it to StartIO()
3023 */
3024 if (pccb->targetId < 0 || pccb->targetId >= maxTargets)
3025 {
3026 pccb->ccbStatus = tiIOFailed;
3027 pccb->scsiStatus = tiDetailNoLogin;
3028 agtiapi_FreeCCB(pmcsc, pccb);
3029 ccb->ccb_h.status = CAM_DEV_NOT_THERE; // ## v. CAM_FUNC_NOTAVAIL
3030 xpt_done(ccb);
3031 pccb->ccb = NULL;
3032 return;
3033 }
3034 TID = INDEX(pmcsc, pccb->targetId);
3035 if ((TID >= pmcsc->devDiscover) ||
3036 !(pccb->devHandle = pmcsc->pDevList[TID].pDevHandle))
3037 {
3038 /*
3039 AGTIAPI_PRINTK( "agtiapi_PrepareSGListCB: not sending ccb devH %p,"
3040 " target %d tid %d/%d card %p ERROR pccb %p\n",
3041 pccb->devHandle, pccb->targetId, TID,
3042 pmcsc->devDiscover, pmcsc, pccb );
3043 */
3044 pccb->ccbStatus = tiIOFailed;
3045 pccb->scsiStatus = tiDetailNoLogin;
3046 agtiapi_FreeCCB(pmcsc, pccb);
3047 ccb->ccb_h.status = CAM_DEV_NOT_THERE; // ## v. CAM_FUNC_NOTAVAIL
3048 xpt_done(ccb);
3049 pccb->ccb = NULL;
3050 return;
3051 }
3052 AGTIAPI_IO( "agtiapi_PrepareSGListCB: send ccb pccb->devHandle %p, "
3053 "pccb->targetId %d TID %d pmcsc->devDiscover %d card %p\n",
3054 pccb->devHandle, pccb->targetId, TID, pmcsc->devDiscover,
3055 pmcsc );
3056 #ifdef HIALEAH_ENCRYPTION
3057 if(pmcsc->encrypt && io_is_encryptable) {
3058 agtiapi_SetupEncryptedIO(pmcsc, pccb, start_lba);
3059 } else{
3060 io_is_encryptable = 0;
3061 pccb->tiSuperScsiRequest.flags = 0;
3062 }
3063 #endif
3064 // put the request in send queue
3065 agtiapi_QueueCCB( pmcsc, &pmcsc->ccbSendHead, &pmcsc->ccbSendTail
3066 AG_CARD_LOCAL_LOCK(&pmcsc->sendLock), pccb );
3067 agtiapi_StartIO(pmcsc);
3068 return;
3069 }
3070
3071 /******************************************************************************
3072 agtiapi_StartIO()
3073
3074 Purpose:
3075 Send IO request down for processing.
3076 Parameters:
3077 (struct agtiapi_softc *pmcsc (IN) Pointer to HBA data structure
3078 Return:
3079 Note:
3080 ******************************************************************************/
agtiapi_StartIO(struct agtiapi_softc * pmcsc)3081 STATIC void agtiapi_StartIO( struct agtiapi_softc *pmcsc )
3082 {
3083 ccb_t *pccb;
3084 int TID;
3085 ag_device_t *targ;
3086
3087 AGTIAPI_IO( "agtiapi_StartIO: start\n" );
3088
3089 AG_LOCAL_LOCK( &pmcsc->sendLock );
3090 pccb = pmcsc->ccbSendHead;
3091
3092 /* if link is down, do nothing */
3093 if ((pccb == NULL) || pmcsc->flags & AGTIAPI_RESET)
3094 {
3095 AG_LOCAL_UNLOCK( &pmcsc->sendLock );
3096 AGTIAPI_PRINTK( "agtiapi_StartIO: goto ext\n" );
3097 goto ext;
3098 }
3099
3100
3101 if (pmcsc != NULL && pccb->targetId >= 0 && pccb->targetId < maxTargets)
3102 {
3103 TID = INDEX(pmcsc, pccb->targetId);
3104 targ = &pmcsc->pDevList[TID];
3105 }
3106
3107
3108 /* clear send queue */
3109 pmcsc->ccbSendHead = NULL;
3110 pmcsc->ccbSendTail = NULL;
3111 AG_LOCAL_UNLOCK( &pmcsc->sendLock );
3112
3113 /* send all ccbs down */
3114 while (pccb)
3115 {
3116 pccb_t pccb_next;
3117 U32 status;
3118
3119 pccb_next = pccb->pccbNext;
3120 pccb->pccbNext = NULL;
3121
3122 if (!pccb->ccb)
3123 {
3124 AGTIAPI_PRINTK( "agtiapi_StartIO: pccb->ccb is NULL ERROR!\n" );
3125 pccb = pccb_next;
3126 continue;
3127 }
3128 AG_IO_DUMPCCB( pccb );
3129
3130 if (!pccb->devHandle)
3131 {
3132 agtiapi_DumpCCB( pccb );
3133 AGTIAPI_PRINTK( "agtiapi_StartIO: ccb NULL device ERROR!\n" );
3134 pccb = pccb_next;
3135 continue;
3136 }
3137 AGTIAPI_IO( "agtiapi_StartIO: ccb %p retry %d\n", pccb, pccb->retryCount );
3138
3139 #ifndef ABORT_TEST
3140 if( !pccb->devHandle || !pccb->devHandle->osData || /* in rmmod case */
3141 !(((ag_device_t *)(pccb->devHandle->osData))->flags & ACTIVE))
3142 {
3143 AGTIAPI_PRINTK( "agtiapi_StartIO: device %p not active! ERROR\n",
3144 pccb->devHandle );
3145 if( pccb->devHandle ) {
3146 AGTIAPI_PRINTK( "agtiapi_StartIO: device not active detail"
3147 " -- osData:%p\n",
3148 pccb->devHandle->osData );
3149 if( pccb->devHandle->osData ) {
3150 AGTIAPI_PRINTK( "agtiapi_StartIO: more device not active detail"
3151 " -- active flag:%d\n",
3152 ( (ag_device_t *)
3153 (pccb->devHandle->osData))->flags & ACTIVE );
3154 }
3155 }
3156 pccb->ccbStatus = tiIOFailed;
3157 pccb->scsiStatus = tiDetailNoLogin;
3158 agtiapi_Done( pmcsc, pccb );
3159 pccb = pccb_next;
3160 continue;
3161 }
3162 #endif
3163
3164 #ifdef FAST_IO_TEST
3165 status = agtiapi_FastIOTest( pmcsc, pccb );
3166 #else
3167 status = tiINISuperIOStart( &pmcsc->tiRoot,
3168 &pccb->tiIORequest,
3169 pccb->devHandle,
3170 &pccb->tiSuperScsiRequest,
3171 (void *)&pccb->tdIOReqBody,
3172 tiInterruptContext );
3173 #endif
3174 switch( status )
3175 {
3176 case tiSuccess:
3177 /*
3178 static int squelchCount = 0;
3179 if ( 200000 == squelchCount++ ) // squelch prints
3180 {
3181 AGTIAPI_PRINTK( "agtiapi_StartIO: tiINIIOStart stat tiSuccess %p\n",
3182 pccb );
3183 squelchCount = 0; // reset count
3184 }
3185 */
3186
3187
3188 break;
3189 case tiDeviceBusy:
3190 AGTIAPI_PRINTK( "agtiapi_StartIO: tiINIIOStart status tiDeviceBusy %p\n",
3191 pccb->ccb );
3192 #ifdef LOGEVENT
3193 agtiapi_LogEvent( pmcsc,
3194 IOCTL_EVT_SEV_INFORMATIONAL,
3195 0,
3196 agNULL,
3197 0,
3198 "tiINIIOStart tiDeviceBusy " );
3199 #endif
3200 pccb->ccbStatus = tiIOFailed;
3201 pccb->scsiStatus = tiDeviceBusy;
3202 agtiapi_Done(pmcsc, pccb);
3203 break;
3204 case tiBusy:
3205
3206 AGTIAPI_PRINTK( "agtiapi_StartIO: tiINIIOStart status tiBusy %p\n",
3207 pccb->ccb );
3208 #ifdef LOGEVENT
3209 agtiapi_LogEvent( pmcsc,
3210 IOCTL_EVT_SEV_INFORMATIONAL,
3211 0,
3212 agNULL,
3213 0,
3214 "tiINIIOStart tiBusy " );
3215 #endif
3216
3217 pccb->ccbStatus = tiIOFailed;
3218 pccb->scsiStatus = tiBusy;
3219 agtiapi_Done(pmcsc, pccb);
3220
3221 break;
3222 case tiIONoDevice:
3223 AGTIAPI_PRINTK( "agtiapi_StartIO: tiINIIOStart status tiNoDevice %p "
3224 "ERROR\n", pccb->ccb );
3225 #ifdef LOGEVENT
3226 agtiapi_LogEvent( pmcsc,
3227 IOCTL_EVT_SEV_INFORMATIONAL,
3228 0,
3229 agNULL,
3230 0,
3231 "tiINIIOStart invalid device handle " );
3232 #endif
3233 #ifndef ABORT_TEST
3234 /* return command back to OS due to no device available */
3235 ((ag_device_t *)(pccb->devHandle->osData))->flags &= ~ACTIVE;
3236 pccb->ccbStatus = tiIOFailed;
3237 pccb->scsiStatus = tiDetailNoLogin;
3238 agtiapi_Done(pmcsc, pccb);
3239 #else
3240 /* for short cable pull, we want IO retried - 3-18-2005 */
3241 agtiapi_QueueCCB(pmcsc, &pmcsc->ccbSendHead, &pmcsc->ccbSendTail
3242 AG_CARD_LOCAL_LOCK(&pmcsc->sendLock), pccb);
3243 #endif
3244 break;
3245 case tiError:
3246 AGTIAPI_PRINTK("agtiapi_StartIO: tiINIIOStart status tiError %p\n",
3247 pccb->ccb);
3248 #ifdef LOGEVENT
3249 agtiapi_LogEvent(pmcsc,
3250 IOCTL_EVT_SEV_INFORMATIONAL,
3251 0,
3252 agNULL,
3253 0,
3254 "tiINIIOStart tiError ");
3255 #endif
3256 pccb->ccbStatus = tiIOFailed;
3257 pccb->scsiStatus = tiDetailOtherError;
3258 agtiapi_Done(pmcsc, pccb);
3259 break;
3260 default:
3261 AGTIAPI_PRINTK("agtiapi_StartIO: tiINIIOStart status default %x %p\n",
3262 status, pccb->ccb);
3263 #ifdef LOGEVENT
3264 agtiapi_LogEvent(pmcsc,
3265 IOCTL_EVT_SEV_ERROR,
3266 0,
3267 agNULL,
3268 0,
3269 "tiINIIOStart unexpected status ");
3270 #endif
3271 pccb->ccbStatus = tiIOFailed;
3272 pccb->scsiStatus = tiDetailOtherError;
3273 agtiapi_Done(pmcsc, pccb);
3274 }
3275
3276 pccb = pccb_next;
3277 }
3278 ext:
3279 /* some IO requests might have been completed */
3280 AG_GET_DONE_PCCB(pccb, pmcsc);
3281 return;
3282 }
3283
3284 /******************************************************************************
3285 agtiapi_StartSMP()
3286
3287 Purpose:
3288 Send SMP request down for processing.
3289 Parameters:
3290 (struct agtiapi_softc *pmcsc (IN) Pointer to HBA data structure
3291 Return:
3292 Note:
3293 ******************************************************************************/
agtiapi_StartSMP(struct agtiapi_softc * pmcsc)3294 STATIC void agtiapi_StartSMP(struct agtiapi_softc *pmcsc)
3295 {
3296 ccb_t *pccb;
3297
3298 AGTIAPI_PRINTK("agtiapi_StartSMP: start\n");
3299
3300 AG_LOCAL_LOCK(&pmcsc->sendSMPLock);
3301 pccb = pmcsc->smpSendHead;
3302
3303 /* if link is down, do nothing */
3304 if ((pccb == NULL) || pmcsc->flags & AGTIAPI_RESET)
3305 {
3306 AG_LOCAL_UNLOCK(&pmcsc->sendSMPLock);
3307 AGTIAPI_PRINTK("agtiapi_StartSMP: goto ext\n");
3308 goto ext;
3309 }
3310
3311 /* clear send queue */
3312 pmcsc->smpSendHead = NULL;
3313 pmcsc->smpSendTail = NULL;
3314 AG_LOCAL_UNLOCK(&pmcsc->sendSMPLock);
3315
3316 /* send all ccbs down */
3317 while (pccb)
3318 {
3319 pccb_t pccb_next;
3320 U32 status;
3321
3322 pccb_next = pccb->pccbNext;
3323 pccb->pccbNext = NULL;
3324
3325 if (!pccb->ccb)
3326 {
3327 AGTIAPI_PRINTK("agtiapi_StartSMP: pccb->ccb is NULL ERROR!\n");
3328 pccb = pccb_next;
3329 continue;
3330 }
3331
3332 if (!pccb->devHandle)
3333 {
3334 AGTIAPI_PRINTK("agtiapi_StartSMP: ccb NULL device ERROR!\n");
3335 pccb = pccb_next;
3336 continue;
3337 }
3338 pccb->flags |= TAG_SMP; // mark as SMP for later tracking
3339 AGTIAPI_PRINTK( "agtiapi_StartSMP: ccb %p retry %d\n",
3340 pccb, pccb->retryCount );
3341 status = tiINISMPStart( &pmcsc->tiRoot,
3342 &pccb->tiIORequest,
3343 pccb->devHandle,
3344 &pccb->tiSMPFrame,
3345 (void *)&pccb->tdIOReqBody,
3346 tiInterruptContext);
3347
3348 switch (status)
3349 {
3350 case tiSuccess:
3351 break;
3352 case tiBusy:
3353 AGTIAPI_PRINTK("agtiapi_StartSMP: tiINISMPStart status tiBusy %p\n",
3354 pccb->ccb);
3355 /* pending ccb back to send queue */
3356 agtiapi_QueueCCB(pmcsc, &pmcsc->smpSendHead, &pmcsc->smpSendTail
3357 AG_CARD_LOCAL_LOCK(&pmcsc->sendSMPLock), pccb);
3358 break;
3359 case tiError:
3360 AGTIAPI_PRINTK("agtiapi_StartIO: tiINIIOStart status tiError %p\n",
3361 pccb->ccb);
3362 pccb->ccbStatus = tiSMPFailed;
3363 agtiapi_SMPDone(pmcsc, pccb);
3364 break;
3365 default:
3366 AGTIAPI_PRINTK("agtiapi_StartIO: tiINIIOStart status default %x %p\n",
3367 status, pccb->ccb);
3368 pccb->ccbStatus = tiSMPFailed;
3369 agtiapi_SMPDone(pmcsc, pccb);
3370 }
3371
3372 pccb = pccb_next;
3373 }
3374 ext:
3375 /* some SMP requests might have been completed */
3376 AG_GET_DONE_SMP_PCCB(pccb, pmcsc);
3377
3378 return;
3379 }
3380
3381 #if __FreeBSD_version > 901000
3382 /******************************************************************************
3383 agtiapi_PrepareSMPSGList()
3384
3385 Purpose:
3386 This function prepares scatter-gather list for the given ccb
3387 Parameters:
3388 struct agtiapi_softc *pmsc (IN) Pointer to the HBA data structure
3389 ccb_t *pccb (IN) A pointer to the driver's own CCB, not CAM's CCB
3390 Return:
3391 0 - success
3392 1 - failure
3393
3394 Note:
3395 ******************************************************************************/
agtiapi_PrepareSMPSGList(struct agtiapi_softc * pmcsc,ccb_t * pccb)3396 static int agtiapi_PrepareSMPSGList( struct agtiapi_softc *pmcsc, ccb_t *pccb )
3397 {
3398 /* Pointer to CAM's ccb */
3399 union ccb *ccb = pccb->ccb;
3400 struct ccb_smpio *csmpio = &ccb->smpio;
3401 struct ccb_hdr *ccbh = &ccb->ccb_h;
3402
3403 AGTIAPI_PRINTK("agtiapi_PrepareSMPSGList: start\n");
3404 switch((ccbh->flags & CAM_DATA_MASK))
3405 {
3406 case CAM_DATA_PADDR:
3407 case CAM_DATA_SG_PADDR:
3408 AGTIAPI_PRINTK( "agtiapi_PrepareSMPSGList: Physical Address not supported\n");
3409 ccb->ccb_h.status = CAM_REQ_INVALID;
3410 xpt_done(ccb);
3411 return tiReject;
3412 case CAM_DATA_SG:
3413
3414 /*
3415 * Currently we do not support Multiple SG list
3416 * return error for now
3417 */
3418 if ( (csmpio->smp_request_sglist_cnt > 1)
3419 || (csmpio->smp_response_sglist_cnt > 1) )
3420 {
3421 AGTIAPI_PRINTK( "agtiapi_PrepareSMPSGList: Multiple SG list not supported\n");
3422 ccb->ccb_h.status = CAM_REQ_INVALID;
3423 xpt_done(ccb);
3424 return tiReject;
3425 }
3426 }
3427 if ( csmpio->smp_request_sglist_cnt != 0 )
3428 {
3429 /*
3430 * Virtual address that needs to translated into
3431 * one or more physical address ranges.
3432 */
3433 int error;
3434 //AG_LOCAL_LOCK(&(pmcsc->pCardInfo->pmIOLock));
3435 AGTIAPI_PRINTK("agtiapi_PrepareSGList: virtual address\n");
3436 error = bus_dmamap_load( pmcsc->buffer_dmat,
3437 pccb->CCB_dmamap,
3438 csmpio->smp_request,
3439 csmpio->smp_request_len,
3440 agtiapi_PrepareSMPSGListCB,
3441 pccb,
3442 BUS_DMA_NOWAIT /* 0 */ );
3443
3444 //AG_LOCAL_UNLOCK(&(pmcsc->pCardInfo->pmIOLock));
3445
3446 if (error == EINPROGRESS)
3447 {
3448 /*
3449 * So as to maintain ordering,
3450 * freeze the controller queue
3451 * until our mapping is
3452 * returned.
3453 */
3454 AGTIAPI_PRINTK( "agtiapi_PrepareSGList: EINPROGRESS\n" );
3455 xpt_freeze_simq( pmcsc->sim, 1 );
3456 pmcsc->SimQFrozen = agTRUE;
3457 ccbh->status |= CAM_RELEASE_SIMQ;
3458 }
3459 }
3460 if( csmpio->smp_response_sglist_cnt != 0 )
3461 {
3462 /*
3463 * Virtual address that needs to translated into
3464 * one or more physical address ranges.
3465 */
3466 int error;
3467 //AG_LOCAL_LOCK( &(pmcsc->pCardInfo->pmIOLock) );
3468 AGTIAPI_PRINTK( "agtiapi_PrepareSGList: virtual address\n" );
3469 error = bus_dmamap_load( pmcsc->buffer_dmat,
3470 pccb->CCB_dmamap,
3471 csmpio->smp_response,
3472 csmpio->smp_response_len,
3473 agtiapi_PrepareSMPSGListCB,
3474 pccb,
3475 BUS_DMA_NOWAIT /* 0 */ );
3476
3477 //AG_LOCAL_UNLOCK( &(pmcsc->pCardInfo->pmIOLock) );
3478
3479 if ( error == EINPROGRESS )
3480 {
3481 /*
3482 * So as to maintain ordering,
3483 * freeze the controller queue
3484 * until our mapping is
3485 * returned.
3486 */
3487 AGTIAPI_PRINTK( "agtiapi_PrepareSGList: EINPROGRESS\n" );
3488 xpt_freeze_simq( pmcsc->sim, 1 );
3489 pmcsc->SimQFrozen = agTRUE;
3490 ccbh->status |= CAM_RELEASE_SIMQ;
3491 }
3492 }
3493
3494 else
3495 {
3496 if ( (csmpio->smp_request_sglist_cnt == 0) &&
3497 (csmpio->smp_response_sglist_cnt == 0) )
3498 {
3499 AGTIAPI_PRINTK( "agtiapi_PrepareSMPSGList: physical address\n" );
3500 pccb->tiSMPFrame.outFrameBuf = (void *)csmpio->smp_request;
3501 pccb->tiSMPFrame.outFrameLen = csmpio->smp_request_len;
3502 pccb->tiSMPFrame.expectedRespLen = csmpio->smp_response_len;
3503
3504 // 0xFF to be defined
3505 agtiapi_PrepareSMPSGListCB( pccb, NULL, 0, 0xAABBCCDD );
3506 }
3507 pccb->tiSMPFrame.flag = 0;
3508 }
3509
3510 return tiSuccess;
3511 }
3512 #else
3513
3514 /******************************************************************************
3515 agtiapi_PrepareSMPSGList()
3516
3517 Purpose:
3518 This function prepares scatter-gather list for the given ccb
3519 Parameters:
3520 struct agtiapi_softc *pmsc (IN) Pointer to the HBA data structure
3521 ccb_t *pccb (IN) A pointer to the driver's own CCB, not CAM's CCB
3522 Return:
3523 0 - success
3524 1 - failure
3525
3526 Note:
3527 ******************************************************************************/
agtiapi_PrepareSMPSGList(struct agtiapi_softc * pmcsc,ccb_t * pccb)3528 static int agtiapi_PrepareSMPSGList( struct agtiapi_softc *pmcsc, ccb_t *pccb )
3529 {
3530 /* Pointer to CAM's ccb */
3531 union ccb *ccb = pccb->ccb;
3532 struct ccb_smpio *csmpio = &ccb->smpio;
3533 struct ccb_hdr *ccbh = &ccb->ccb_h;
3534
3535 AGTIAPI_PRINTK("agtiapi_PrepareSMPSGList: start\n");
3536
3537 if (ccbh->flags & (CAM_DATA_PHYS|CAM_SG_LIST_PHYS))
3538 {
3539 AGTIAPI_PRINTK( "agtiapi_PrepareSMPSGList: Physical Address "
3540 "not supported\n" );
3541 ccb->ccb_h.status = CAM_REQ_INVALID;
3542 xpt_done(ccb);
3543 return tiReject;;
3544 }
3545
3546 if (ccbh->flags & CAM_SCATTER_VALID)
3547 {
3548 /*
3549 * Currently we do not support Multiple SG list
3550 * return error for now
3551 */
3552 if ( (csmpio->smp_request_sglist_cnt > 1)
3553 || (csmpio->smp_response_sglist_cnt > 1) )
3554 {
3555 AGTIAPI_PRINTK( "agtiapi_PrepareSMPSGList: Multiple SG list "
3556 "not supported\n" );
3557 ccb->ccb_h.status = CAM_REQ_INVALID;
3558 xpt_done(ccb);
3559 return tiReject;;
3560 }
3561 if ( csmpio->smp_request_sglist_cnt != 0 )
3562 {
3563 /*
3564 * Virtual address that needs to translated into
3565 * one or more physical address ranges.
3566 */
3567 int error;
3568 //AG_LOCAL_LOCK(&(pmcsc->pCardInfo->pmIOLock));
3569 AGTIAPI_PRINTK("agtiapi_PrepareSGList: virtual address\n");
3570 error = bus_dmamap_load( pmcsc->buffer_dmat,
3571 pccb->CCB_dmamap,
3572 csmpio->smp_request,
3573 csmpio->smp_request_len,
3574 agtiapi_PrepareSMPSGListCB,
3575 pccb,
3576 BUS_DMA_NOWAIT /* 0 */ );
3577
3578 //AG_LOCAL_UNLOCK(&(pmcsc->pCardInfo->pmIOLock));
3579
3580 if (error == EINPROGRESS)
3581 {
3582 /*
3583 * So as to maintain ordering,
3584 * freeze the controller queue
3585 * until our mapping is
3586 * returned.
3587 */
3588 AGTIAPI_PRINTK( "agtiapi_PrepareSGList: EINPROGRESS\n" );
3589 xpt_freeze_simq( pmcsc->sim, 1 );
3590 pmcsc->SimQFrozen = agTRUE;
3591 ccbh->status |= CAM_RELEASE_SIMQ;
3592 }
3593 }
3594 if( csmpio->smp_response_sglist_cnt != 0 )
3595 {
3596 /*
3597 * Virtual address that needs to translated into
3598 * one or more physical address ranges.
3599 */
3600 int error;
3601 //AG_LOCAL_LOCK( &(pmcsc->pCardInfo->pmIOLock) );
3602 AGTIAPI_PRINTK( "agtiapi_PrepareSGList: virtual address\n" );
3603 error = bus_dmamap_load( pmcsc->buffer_dmat,
3604 pccb->CCB_dmamap,
3605 csmpio->smp_response,
3606 csmpio->smp_response_len,
3607 agtiapi_PrepareSMPSGListCB,
3608 pccb,
3609 BUS_DMA_NOWAIT /* 0 */ );
3610
3611 //AG_LOCAL_UNLOCK( &(pmcsc->pCardInfo->pmIOLock) );
3612
3613 if ( error == EINPROGRESS )
3614 {
3615 /*
3616 * So as to maintain ordering,
3617 * freeze the controller queue
3618 * until our mapping is
3619 * returned.
3620 */
3621 AGTIAPI_PRINTK( "agtiapi_PrepareSGList: EINPROGRESS\n" );
3622 xpt_freeze_simq( pmcsc->sim, 1 );
3623 pmcsc->SimQFrozen = agTRUE;
3624 ccbh->status |= CAM_RELEASE_SIMQ;
3625 }
3626 }
3627 }
3628 else
3629 {
3630 if ( (csmpio->smp_request_sglist_cnt == 0) &&
3631 (csmpio->smp_response_sglist_cnt == 0) )
3632 {
3633 AGTIAPI_PRINTK( "agtiapi_PrepareSMPSGList: physical address\n" );
3634 pccb->tiSMPFrame.outFrameBuf = (void *)csmpio->smp_request;
3635 pccb->tiSMPFrame.outFrameLen = csmpio->smp_request_len;
3636 pccb->tiSMPFrame.expectedRespLen = csmpio->smp_response_len;
3637
3638 // 0xFF to be defined
3639 agtiapi_PrepareSMPSGListCB( pccb, NULL, 0, 0xAABBCCDD );
3640 }
3641 pccb->tiSMPFrame.flag = 0;
3642 }
3643
3644 return tiSuccess;
3645 }
3646
3647 #endif
3648 /******************************************************************************
3649 agtiapi_PrepareSMPSGListCB()
3650
3651 Purpose:
3652 Callback function for bus_dmamap_load()
3653 This fuctions sends IO to LL layer.
3654 Parameters:
3655 void *arg (IN) Pointer to the HBA data structure
3656 bus_dma_segment_t *segs (IN) Pointer to dma segment
3657 int nsegs (IN) number of dma segment
3658 int error (IN) error
3659 Return:
3660 Note:
3661 ******************************************************************************/
agtiapi_PrepareSMPSGListCB(void * arg,bus_dma_segment_t * segs,int nsegs,int error)3662 static void agtiapi_PrepareSMPSGListCB( void *arg,
3663 bus_dma_segment_t *segs,
3664 int nsegs,
3665 int error )
3666 {
3667 pccb_t pccb = arg;
3668 union ccb *ccb = pccb->ccb;
3669 struct agtiapi_softc *pmcsc;
3670 U32 TID = CMND_TO_TARGET(ccb);
3671 int status;
3672 tiDeviceHandle_t *tiExpDevHandle;
3673 tiPortalContext_t *tiExpPortalContext;
3674 ag_portal_info_t *tiExpPortalInfo;
3675
3676 AGTIAPI_PRINTK( "agtiapi_PrepareSMPSGListCB: start, nsegs %d error 0x%x\n",
3677 nsegs, error );
3678 pmcsc = pccb->pmcsc;
3679
3680 if ( error != tiSuccess )
3681 {
3682 if (error == 0xAABBCCDD)
3683 {
3684 // do nothing
3685 }
3686 else
3687 {
3688 AGTIAPI_PRINTK( "agtiapi_PrepareSMPSGListCB: error status 0x%x\n",
3689 error );
3690 bus_dmamap_unload( pmcsc->buffer_dmat, pccb->CCB_dmamap );
3691 bus_dmamap_destroy( pmcsc->buffer_dmat, pccb->CCB_dmamap );
3692 agtiapi_FreeCCB( pmcsc, pccb );
3693 ccb->ccb_h.status = CAM_REQ_CMP;
3694 xpt_done( ccb );
3695 return;
3696 }
3697 }
3698
3699 if ( nsegs > AGTIAPI_MAX_DMA_SEGS )
3700 {
3701 AGTIAPI_PRINTK( "agtiapi_PrepareSMPSGListCB: over the limit. nsegs %d "
3702 "AGTIAPI_MAX_DMA_SEGS %d\n",
3703 nsegs, AGTIAPI_MAX_DMA_SEGS );
3704 bus_dmamap_unload( pmcsc->buffer_dmat, pccb->CCB_dmamap );
3705 bus_dmamap_destroy( pmcsc->buffer_dmat, pccb->CCB_dmamap );
3706 agtiapi_FreeCCB( pmcsc, pccb );
3707 ccb->ccb_h.status = CAM_REQ_CMP;
3708 xpt_done( ccb );
3709 return;
3710 }
3711
3712 /*
3713 * If assigned pDevHandle is not available
3714 * then there is no need to send it to StartIO()
3715 */
3716 /* TODO: Add check for deviceType */
3717 if ( pccb->targetId < 0 || pccb->targetId >= maxTargets )
3718 {
3719 agtiapi_FreeCCB( pmcsc, pccb );
3720 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
3721 xpt_done(ccb);
3722 pccb->ccb = NULL;
3723 return;
3724 }
3725 TID = INDEX( pmcsc, pccb->targetId );
3726 if ( (TID >= pmcsc->devDiscover) ||
3727 !(pccb->devHandle = pmcsc->pDevList[TID].pDevHandle) )
3728 {
3729 AGTIAPI_PRINTK( "agtiapi_PrepareSMPSGListCB: not sending ccb devH %p, "
3730 "target %d tid %d/%d "
3731 "card %p ERROR pccb %p\n",
3732 pccb->devHandle,
3733 pccb->targetId,
3734 TID,
3735 pmcsc->devDiscover,
3736 pmcsc,
3737 pccb );
3738 agtiapi_FreeCCB( pmcsc, pccb );
3739 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
3740 xpt_done( ccb );
3741 pccb->ccb = NULL;
3742 return;
3743 }
3744 /* TODO: add indirect handling */
3745 /* set the flag correctly based on Indiret SMP request and response */
3746
3747 AGTIAPI_PRINTK( "agtiapi_PrepareSMPSGListCB: send ccb pccb->devHandle %p, "
3748 "pccb->targetId %d TID %d pmcsc->devDiscover %d card %p\n",
3749 pccb->devHandle,
3750 pccb->targetId, TID,
3751 pmcsc->devDiscover,
3752 pmcsc );
3753 tiExpDevHandle = pccb->devHandle;
3754 tiExpPortalInfo = pmcsc->pDevList[TID].pPortalInfo;
3755 tiExpPortalContext = &tiExpPortalInfo->tiPortalContext;
3756 /* Look for the expander associated with the ses device */
3757 status = tiINIGetExpander( &pmcsc->tiRoot,
3758 tiExpPortalContext,
3759 pccb->devHandle,
3760 &tiExpDevHandle );
3761
3762 if ( status != tiSuccess )
3763 {
3764 AGTIAPI_PRINTK( "agtiapi_PrepareSMPSGListCB: Error getting Expander "
3765 "device\n" );
3766 agtiapi_FreeCCB( pmcsc, pccb );
3767 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
3768 xpt_done( ccb );
3769 pccb->ccb = NULL;
3770 return;
3771 }
3772
3773 /* this is expander device */
3774 pccb->devHandle = tiExpDevHandle;
3775 /* put the request in send queue */
3776 agtiapi_QueueCCB( pmcsc, &pmcsc->smpSendHead, &pmcsc->smpSendTail
3777 AG_CARD_LOCAL_LOCK(&pmcsc->sendSMPLock), pccb );
3778
3779 agtiapi_StartSMP( pmcsc );
3780
3781 return;
3782 }
3783
3784
3785 /******************************************************************************
3786 agtiapi_Done()
3787
3788 Purpose:
3789 Processing completed ccbs
3790 Parameters:
3791 struct agtiapi_softc *pmcsc (IN) Pointer to HBA data structure
3792 ccb_t *pccb (IN) A pointer to the driver's own CCB, not CAM's CCB
3793 Return:
3794 Note:
3795 ******************************************************************************/
agtiapi_Done(struct agtiapi_softc * pmcsc,ccb_t * pccb)3796 STATIC void agtiapi_Done(struct agtiapi_softc *pmcsc, ccb_t *pccb)
3797 {
3798 pccb_t pccb_curr = pccb;
3799 pccb_t pccb_next;
3800
3801 tiIniScsiCmnd_t *cmnd;
3802 union ccb * ccb;
3803
3804 AGTIAPI_IO("agtiapi_Done: start\n");
3805 while (pccb_curr)
3806 {
3807 /* start from 1st ccb in the chain */
3808 pccb_next = pccb_curr->pccbNext;
3809
3810 if (agtiapi_CheckError(pmcsc, pccb_curr) != 0)
3811 {
3812 /* send command back and release the ccb */
3813 cmnd = &pccb_curr->tiSuperScsiRequest.scsiCmnd;
3814
3815 if (cmnd->cdb[0] == RECEIVE_DIAGNOSTIC)
3816 {
3817 AGTIAPI_PRINTK("agtiapi_Done: RECEIVE_DIAG pg %d id %d cmnd %p pccb "
3818 "%p\n", cmnd->cdb[2], pccb_curr->targetId, cmnd,
3819 pccb_curr);
3820 }
3821
3822 CMND_DMA_UNMAP(pmcsc, ccb);
3823
3824 /* send the request back to the CAM */
3825 ccb = pccb_curr->ccb;
3826 agtiapi_FreeCCB(pmcsc, pccb_curr);
3827 xpt_done(ccb);
3828 }
3829 pccb_curr = pccb_next;
3830 }
3831 return;
3832 }
3833
3834 /******************************************************************************
3835 agtiapi_SMPDone()
3836
3837 Purpose:
3838 Processing completed ccbs
3839 Parameters:
3840 struct agtiapi_softc *pmcsc (IN) Ponter to HBA data structure
3841 ccb_t *pccb (IN) A pointer to the driver's own CCB, not
3842 CAM's CCB
3843 Return:
3844 Note:
3845 ******************************************************************************/
agtiapi_SMPDone(struct agtiapi_softc * pmcsc,ccb_t * pccb)3846 STATIC void agtiapi_SMPDone(struct agtiapi_softc *pmcsc, ccb_t *pccb)
3847 {
3848 pccb_t pccb_curr = pccb;
3849 pccb_t pccb_next;
3850
3851 union ccb * ccb;
3852
3853 AGTIAPI_PRINTK("agtiapi_SMPDone: start\n");
3854
3855 while (pccb_curr)
3856 {
3857 /* start from 1st ccb in the chain */
3858 pccb_next = pccb_curr->pccbNext;
3859
3860 if (agtiapi_CheckSMPError(pmcsc, pccb_curr) != 0)
3861 {
3862 CMND_DMA_UNMAP(pmcsc, ccb);
3863
3864 /* send the request back to the CAM */
3865 ccb = pccb_curr->ccb;
3866 agtiapi_FreeSMPCCB(pmcsc, pccb_curr);
3867 xpt_done(ccb);
3868
3869 }
3870 pccb_curr = pccb_next;
3871 }
3872
3873 AGTIAPI_PRINTK("agtiapi_SMPDone: Done\n");
3874 return;
3875 }
3876
3877 /******************************************************************************
3878 agtiapi_hexdump()
3879
3880 Purpose:
3881 Utility function for dumping in hex
3882 Parameters:
3883 const char *ptitle (IN) A string to be printed
3884 bit8 *pbuf (IN) A pointer to a buffer to be printed.
3885 int len (IN) The lengther of the buffer
3886 Return:
3887 Note:
3888 ******************************************************************************/
agtiapi_hexdump(const char * ptitle,bit8 * pbuf,int len)3889 void agtiapi_hexdump(const char *ptitle, bit8 *pbuf, int len)
3890 {
3891 int i;
3892 AGTIAPI_PRINTK("%s - hexdump(len=%d):\n", ptitle, (int)len);
3893 if (!pbuf)
3894 {
3895 AGTIAPI_PRINTK("pbuf is NULL\n");
3896 return;
3897 }
3898 for (i = 0; i < len; )
3899 {
3900 if (len - i > 4)
3901 {
3902 AGTIAPI_PRINTK( " 0x%02x, 0x%02x, 0x%02x, 0x%02x,\n", pbuf[i], pbuf[i+1],
3903 pbuf[i+2], pbuf[i+3] );
3904 i += 4;
3905 }
3906 else
3907 {
3908 AGTIAPI_PRINTK(" 0x%02x,", pbuf[i]);
3909 i++;
3910 }
3911 }
3912 AGTIAPI_PRINTK("\n");
3913 }
3914
3915
3916 /******************************************************************************
3917 agtiapi_CheckError()
3918
3919 Purpose:
3920 Processes status pertaining to the ccb -- whether it was
3921 completed successfully, aborted, or error encountered.
3922 Parameters:
3923 ag_card_t *pCard (IN) Pointer to HBA data structure
3924 ccb_t *pccd (IN) A pointer to the driver's own CCB, not CAM's CCB
3925 Return:
3926 0 - the command retry is required
3927 1 - the command process is completed
3928 Note:
3929
3930 ******************************************************************************/
agtiapi_CheckError(struct agtiapi_softc * pmcsc,ccb_t * pccb)3931 STATIC U32 agtiapi_CheckError(struct agtiapi_softc *pmcsc, ccb_t *pccb)
3932 {
3933 ag_device_t *pDevice;
3934 // union ccb * ccb = pccb->ccb;
3935 union ccb * ccb;
3936 int is_error, TID;
3937
3938 if (pccb == NULL) {
3939 return 0;
3940 }
3941 ccb = pccb->ccb;
3942 AGTIAPI_IO("agtiapi_CheckError: start\n");
3943 if (ccb == NULL)
3944 {
3945 /* shouldn't be here but just in case we do */
3946 AGTIAPI_PRINTK("agtiapi_CheckError: CCB orphan = %p ERROR\n", pccb);
3947 agtiapi_FreeCCB(pmcsc, pccb);
3948 return 0;
3949 }
3950
3951 is_error = 1;
3952 pDevice = NULL;
3953 if (pmcsc != NULL && pccb->targetId >= 0 && pccb->targetId < maxTargets)
3954 {
3955 if (pmcsc->pWWNList != NULL)
3956 {
3957 TID = INDEX(pmcsc, pccb->targetId);
3958 if (TID < maxTargets)
3959 {
3960 pDevice = &pmcsc->pDevList[TID];
3961 if (pDevice != NULL)
3962 {
3963 is_error = 0;
3964 }
3965 }
3966 }
3967 }
3968 if (is_error)
3969 {
3970 AGTIAPI_PRINTK("agtiapi_CheckError: pDevice == NULL\n");
3971 agtiapi_FreeCCB(pmcsc, pccb);
3972 return 0;
3973 }
3974
3975 /* SCSI status */
3976 ccb->csio.scsi_status = pccb->scsiStatus;
3977
3978 if(pDevice->CCBCount > 0){
3979 atomic_subtract_int(&pDevice->CCBCount,1);
3980 }
3981 AG_LOCAL_LOCK(&pmcsc->freezeLock);
3982 if(pmcsc->freezeSim == agTRUE)
3983 {
3984 pmcsc->freezeSim = agFALSE;
3985 xpt_release_simq(pmcsc->sim, 1);
3986 }
3987 AG_LOCAL_UNLOCK(&pmcsc->freezeLock);
3988
3989 switch (pccb->ccbStatus)
3990 {
3991 case tiIOSuccess:
3992 AGTIAPI_IO("agtiapi_CheckError: tiIOSuccess pccb %p\n", pccb);
3993 /* CAM status */
3994 if (pccb->scsiStatus == SCSI_STATUS_OK)
3995 {
3996 ccb->ccb_h.status = CAM_REQ_CMP;
3997 }
3998 else
3999 if (pccb->scsiStatus == SCSI_TASK_ABORTED)
4000 {
4001 ccb->ccb_h.status = CAM_REQ_ABORTED;
4002 }
4003 else
4004 {
4005 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
4006 }
4007 if (ccb->csio.scsi_status == SCSI_CHECK_CONDITION)
4008 {
4009 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
4010 }
4011
4012 break;
4013
4014 case tiIOOverRun:
4015 AGTIAPI_PRINTK("agtiapi_CheckError: tiIOOverRun pccb %p\n", pccb);
4016 /* resid is ignored for this condition */
4017 ccb->csio.resid = 0;
4018 ccb->ccb_h.status = CAM_DATA_RUN_ERR;
4019 break;
4020 case tiIOUnderRun:
4021 AGTIAPI_PRINTK("agtiapi_CheckError: tiIOUnderRun pccb %p\n", pccb);
4022 ccb->csio.resid = pccb->scsiStatus;
4023 ccb->ccb_h.status = CAM_REQ_CMP;
4024 ccb->csio.scsi_status = SCSI_STATUS_OK;
4025 break;
4026
4027 case tiIOFailed:
4028 AGTIAPI_PRINTK( "agtiapi_CheckError: pccb %p tiIOFailed %d id %d ERROR\n",
4029 pccb, pccb->scsiStatus, pccb->targetId );
4030 if (pccb->scsiStatus == tiDeviceBusy)
4031 {
4032 AGTIAPI_IO( "agtiapi_CheckError: pccb %p tiIOFailed - tiDetailBusy\n",
4033 pccb );
4034 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
4035 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
4036 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) == 0)
4037 {
4038 ccb->ccb_h.status |= CAM_DEV_QFRZN;
4039 xpt_freeze_devq(ccb->ccb_h.path, /*count*/1);
4040 }
4041 }
4042 else if(pccb->scsiStatus == tiBusy)
4043 {
4044 AG_LOCAL_LOCK(&pmcsc->freezeLock);
4045 if(pmcsc->freezeSim == agFALSE)
4046 {
4047 pmcsc->freezeSim = agTRUE;
4048 xpt_freeze_simq(pmcsc->sim, 1);
4049 }
4050 AG_LOCAL_UNLOCK(&pmcsc->freezeLock);
4051 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
4052 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
4053 }
4054 else if (pccb->scsiStatus == tiDetailNoLogin)
4055 {
4056 AGTIAPI_PRINTK( "agtiapi_CheckError: pccb %p tiIOFailed - "
4057 "tiDetailNoLogin ERROR\n", pccb );
4058 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
4059 }
4060 else if (pccb->scsiStatus == tiDetailNotValid)
4061 {
4062 AGTIAPI_PRINTK( "agtiapi_CheckError: pccb %p tiIOFailed - "
4063 "tiDetailNotValid ERROR\n", pccb );
4064 ccb->ccb_h.status = CAM_REQ_INVALID;
4065 }
4066 else if (pccb->scsiStatus == tiDetailAbortLogin)
4067 {
4068 AGTIAPI_PRINTK( "agtiapi_CheckError: pccb %p tiIOFailed - "
4069 "tiDetailAbortLogin ERROR\n", pccb );
4070 ccb->ccb_h.status = CAM_REQ_ABORTED;
4071 }
4072 else if (pccb->scsiStatus == tiDetailAbortReset)
4073 {
4074 AGTIAPI_PRINTK( "agtiapi_CheckError: pccb %p tiIOFailed - "
4075 "tiDetailAbortReset ERROR\n", pccb );
4076 ccb->ccb_h.status = CAM_REQ_ABORTED;
4077 }
4078 else if (pccb->scsiStatus == tiDetailAborted)
4079 {
4080 AGTIAPI_PRINTK( "agtiapi_CheckError: pccb %p tiIOFailed - "
4081 "tiDetailAborted ERROR\n", pccb );
4082 ccb->ccb_h.status = CAM_REQ_ABORTED;
4083 }
4084 else if (pccb->scsiStatus == tiDetailOtherError)
4085 {
4086 AGTIAPI_PRINTK( "agtiapi_CheckError: pccb %p tiIOFailed - "
4087 "tiDetailOtherError ERROR\n", pccb );
4088 ccb->ccb_h.status = CAM_REQ_ABORTED;
4089 }
4090 break;
4091 case tiIODifError:
4092 AGTIAPI_PRINTK( "agtiapi_CheckError: pccb %p tiIOFailed %d id %d ERROR\n",
4093 pccb, pccb->scsiStatus, pccb->targetId );
4094 if (pccb->scsiStatus == tiDetailDifAppTagMismatch)
4095 {
4096 AGTIAPI_IO( "agtiapi_CheckError: pccb %p tiIOFailed - "
4097 "tiDetailDifAppTagMismatch\n", pccb );
4098 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4099 }
4100 else if (pccb->scsiStatus == tiDetailDifRefTagMismatch)
4101 {
4102 AGTIAPI_PRINTK( "agtiapi_CheckError: pccb %p tiIOFailed - "
4103 "tiDetailDifRefTagMismatch\n", pccb );
4104 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4105 }
4106 else if (pccb->scsiStatus == tiDetailDifCrcMismatch)
4107 {
4108 AGTIAPI_PRINTK( "agtiapi_CheckError: pccb %p tiIOFailed - "
4109 "tiDetailDifCrcMismatch\n", pccb );
4110 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4111 }
4112 break;
4113 #ifdef HIALEAH_ENCRYPTION
4114 case tiIOEncryptError:
4115 AGTIAPI_PRINTK( "agtiapi_CheckError: pccb %p tiIOFailed %d id %d ERROR\n",
4116 pccb, pccb->scsiStatus, pccb->targetId );
4117 if (pccb->scsiStatus == tiDetailDekKeyCacheMiss)
4118 {
4119 AGTIAPI_PRINTK( "agtiapi_CheckError: %s: pccb %p tiIOFailed - "
4120 "tiDetailDekKeyCacheMiss ERROR\n",
4121 __FUNCTION__, pccb );
4122 ccb->ccb_h.status = CAM_REQ_ABORTED;
4123 agtiapi_HandleEncryptedIOFailure(pDevice, pccb);
4124 }
4125 else if (pccb->scsiStatus == tiDetailDekIVMismatch)
4126 {
4127 AGTIAPI_PRINTK( "agtiapi_CheckError: %s: pccb %p tiIOFailed - "
4128 "tiDetailDekIVMismatch ERROR\n", __FUNCTION__, pccb );
4129 ccb->ccb_h.status = CAM_REQ_ABORTED;
4130 agtiapi_HandleEncryptedIOFailure(pDevice, pccb);
4131 }
4132 break;
4133 #endif
4134 default:
4135 AGTIAPI_PRINTK( "agtiapi_CheckError: pccb %p tiIOdefault %d id %d ERROR\n",
4136 pccb, pccb->ccbStatus, pccb->targetId );
4137 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4138 break;
4139 }
4140
4141 return 1;
4142 }
4143
4144
4145 /******************************************************************************
4146 agtiapi_SMPCheckError()
4147
4148 Purpose:
4149 Processes status pertaining to the ccb -- whether it was
4150 completed successfully, aborted, or error encountered.
4151 Parameters:
4152 ag_card_t *pCard (IN) Pointer to HBA data structure
4153 ccb_t *pccd (IN) A pointer to the driver's own CCB, not CAM's CCB
4154 Return:
4155 0 - the command retry is required
4156 1 - the command process is completed
4157 Note:
4158
4159 ******************************************************************************/
agtiapi_CheckSMPError(struct agtiapi_softc * pmcsc,ccb_t * pccb)4160 STATIC U32 agtiapi_CheckSMPError( struct agtiapi_softc *pmcsc, ccb_t *pccb )
4161 {
4162 union ccb * ccb = pccb->ccb;
4163
4164 AGTIAPI_PRINTK("agtiapi_CheckSMPError: start\n");
4165
4166 if (!ccb)
4167 {
4168 /* shouldn't be here but just in case we do */
4169 AGTIAPI_PRINTK( "agtiapi_CheckSMPError: CCB orphan = %p ERROR\n",
4170 pccb );
4171 agtiapi_FreeSMPCCB(pmcsc, pccb);
4172 return 0;
4173 }
4174
4175 switch (pccb->ccbStatus)
4176 {
4177 case tiSMPSuccess:
4178 AGTIAPI_PRINTK( "agtiapi_CheckSMPError: tiSMPSuccess pccb %p\n",
4179 pccb );
4180 /* CAM status */
4181 ccb->ccb_h.status = CAM_REQ_CMP;
4182 break;
4183 case tiSMPFailed:
4184 AGTIAPI_PRINTK( "agtiapi_CheckSMPError: tiSMPFailed pccb %p\n",
4185 pccb );
4186 /* CAM status */
4187 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4188 break;
4189 default:
4190 AGTIAPI_PRINTK( "agtiapi_CheckSMPError: pccb %p tiSMPdefault %d "
4191 "id %d ERROR\n",
4192 pccb,
4193 pccb->ccbStatus,
4194 pccb->targetId );
4195 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4196 break;
4197 }
4198
4199
4200 return 1;
4201
4202 }
4203
4204 /******************************************************************************
4205 agtiapi_HandleEncryptedIOFailure():
4206
4207 Purpose:
4208 Parameters:
4209 Return:
4210 Note:
4211 Currently not used.
4212 ******************************************************************************/
agtiapi_HandleEncryptedIOFailure(ag_device_t * pDev,ccb_t * pccb)4213 void agtiapi_HandleEncryptedIOFailure(ag_device_t *pDev, ccb_t *pccb)
4214 {
4215
4216 AGTIAPI_PRINTK("agtiapi_HandleEncryptedIOFailure: start\n");
4217 return;
4218 }
4219
4220 /******************************************************************************
4221 agtiapi_Retry()
4222
4223 Purpose:
4224 Retry a ccb.
4225 Parameters:
4226 struct agtiapi_softc *pmcsc (IN) Pointer to the HBA structure
4227 ccb_t *pccb (IN) A pointer to the driver's own CCB, not CAM's CCB
4228 Return:
4229 Note:
4230 Currently not used.
4231 ******************************************************************************/
agtiapi_Retry(struct agtiapi_softc * pmcsc,ccb_t * pccb)4232 STATIC void agtiapi_Retry(struct agtiapi_softc *pmcsc, ccb_t *pccb)
4233 {
4234 pccb->retryCount++;
4235 pccb->flags = ACTIVE | AGTIAPI_RETRY;
4236 pccb->ccbStatus = 0;
4237 pccb->scsiStatus = 0;
4238 pccb->startTime = ticks;
4239
4240 AGTIAPI_PRINTK( "agtiapi_Retry: start\n" );
4241 AGTIAPI_PRINTK( "agtiapi_Retry: ccb %p retry %d flgs x%x\n", pccb,
4242 pccb->retryCount, pccb->flags );
4243
4244 agtiapi_QueueCCB(pmcsc, &pmcsc->ccbSendHead, &pmcsc->ccbSendTail
4245 AG_CARD_LOCAL_LOCK(&pmcsc->sendLock), pccb);
4246 return;
4247 }
4248
4249
4250 /******************************************************************************
4251 agtiapi_DumpCCB()
4252
4253 Purpose:
4254 Dump CCB for debuging
4255 Parameters:
4256 ccb_t *pccb (IN) A pointer to the driver's own CCB, not CAM's CCB
4257 Return:
4258 Note:
4259 ******************************************************************************/
agtiapi_DumpCCB(ccb_t * pccb)4260 STATIC void agtiapi_DumpCCB(ccb_t *pccb)
4261 {
4262 AGTIAPI_PRINTK("agtiapi_DumpCCB: pccb %p, devHandle %p, tid %d, lun %d\n",
4263 pccb,
4264 pccb->devHandle,
4265 pccb->targetId,
4266 pccb->lun);
4267 AGTIAPI_PRINTK("flag 0x%x, add_mode 0x%x, ccbStatus 0x%x, scsiStatus 0x%x\n",
4268 pccb->flags,
4269 pccb->addrMode,
4270 pccb->ccbStatus,
4271 pccb->scsiStatus);
4272 AGTIAPI_PRINTK("scsi comand = 0x%x, numSgElements = %d\n",
4273 pccb->tiSuperScsiRequest.scsiCmnd.cdb[0],
4274 pccb->numSgElements);
4275 AGTIAPI_PRINTK("dataLen = 0x%x, sens_len = 0x%x\n",
4276 pccb->dataLen,
4277 pccb->senseLen);
4278 AGTIAPI_PRINTK("tiSuperScsiRequest:\n");
4279 AGTIAPI_PRINTK("scsiCmnd: expDataLength 0x%x, taskAttribute 0x%x\n",
4280 pccb->tiSuperScsiRequest.scsiCmnd.expDataLength,
4281 pccb->tiSuperScsiRequest.scsiCmnd.taskAttribute);
4282 AGTIAPI_PRINTK("cdb[0] = 0x%x, cdb[1] = 0x%x, cdb[2] = 0x%x, cdb[3] = 0x%x\n",
4283 pccb->tiSuperScsiRequest.scsiCmnd.cdb[0],
4284 pccb->tiSuperScsiRequest.scsiCmnd.cdb[1],
4285 pccb->tiSuperScsiRequest.scsiCmnd.cdb[2],
4286 pccb->tiSuperScsiRequest.scsiCmnd.cdb[3]);
4287 AGTIAPI_PRINTK("cdb[4] = 0x%x, cdb[5] = 0x%x, cdb[6] = 0x%x, cdb[7] = 0x%x\n",
4288 pccb->tiSuperScsiRequest.scsiCmnd.cdb[4],
4289 pccb->tiSuperScsiRequest.scsiCmnd.cdb[5],
4290 pccb->tiSuperScsiRequest.scsiCmnd.cdb[6],
4291 pccb->tiSuperScsiRequest.scsiCmnd.cdb[7]);
4292 AGTIAPI_PRINTK( "cdb[8] = 0x%x, cdb[9] = 0x%x, cdb[10] = 0x%x, "
4293 "cdb[11] = 0x%x\n",
4294 pccb->tiSuperScsiRequest.scsiCmnd.cdb[8],
4295 pccb->tiSuperScsiRequest.scsiCmnd.cdb[9],
4296 pccb->tiSuperScsiRequest.scsiCmnd.cdb[10],
4297 pccb->tiSuperScsiRequest.scsiCmnd.cdb[11] );
4298 AGTIAPI_PRINTK("agSgl1: upper 0x%x, lower 0x%x, len 0x%x, type %d\n",
4299 pccb->tiSuperScsiRequest.agSgl1.upper,
4300 pccb->tiSuperScsiRequest.agSgl1.lower,
4301 pccb->tiSuperScsiRequest.agSgl1.len,
4302 pccb->tiSuperScsiRequest.agSgl1.type);
4303 }
4304
4305 /******************************************************************************
4306 agtiapi_eh_HostReset()
4307
4308 Purpose:
4309 A new error handler of Host Reset command.
4310 Parameters:
4311 scsi_cmnd *cmnd (IN) Pointer to a command to the HBA to be reset
4312 Return:
4313 SUCCESS - success
4314 FAILED - fail
4315 Note:
4316 ******************************************************************************/
agtiapi_eh_HostReset(struct agtiapi_softc * pmcsc,union ccb * cmnd)4317 int agtiapi_eh_HostReset( struct agtiapi_softc *pmcsc, union ccb *cmnd )
4318 {
4319 AGTIAPI_PRINTK( "agtiapi_eh_HostReset: ccb pointer %p\n",
4320 cmnd );
4321
4322 if( cmnd == NULL )
4323 {
4324 printf( "agtiapi_eh_HostReset: null command, skipping reset.\n" );
4325 return tiInvalidHandle;
4326 }
4327
4328 #ifdef LOGEVENT
4329 agtiapi_LogEvent( pmcsc,
4330 IOCTL_EVT_SEV_INFORMATIONAL,
4331 0,
4332 agNULL,
4333 0,
4334 "agtiapi_eh_HostReset! " );
4335 #endif
4336
4337 return agtiapi_DoSoftReset( pmcsc );
4338 }
4339
4340
4341 /******************************************************************************
4342 agtiapi_QueueCCB()
4343
4344 Purpose:
4345 Put ccb in ccb queue at the tail
4346 Parameters:
4347 struct agtiapi_softc *pmcsc (IN) Pointer to HBA data structure
4348 pccb_t *phead (IN) Double pointer to ccb queue head
4349 pccb_t *ptail (IN) Double pointer to ccb queue tail
4350 ccb_t *pccb (IN) Poiner to a ccb to be queued
4351 Return:
4352 Note:
4353 Put the ccb to the tail of queue
4354 ******************************************************************************/
agtiapi_QueueCCB(struct agtiapi_softc * pmcsc,pccb_t * phead,pccb_t * ptail,struct mtx * mutex,ccb_t * pccb)4355 STATIC void agtiapi_QueueCCB( struct agtiapi_softc *pmcsc,
4356 pccb_t *phead,
4357 pccb_t *ptail,
4358 #ifdef AGTIAPI_LOCAL_LOCK
4359 struct mtx *mutex,
4360 #endif
4361 ccb_t *pccb )
4362 {
4363 AGTIAPI_IO( "agtiapi_QueueCCB: start\n" );
4364 AGTIAPI_IO( "agtiapi_QueueCCB: %p to %p\n", pccb, phead );
4365 if (phead == NULL || ptail == NULL)
4366 {
4367 panic( "agtiapi_QueueCCB: phead %p ptail %p", phead, ptail );
4368 }
4369 pccb->pccbNext = NULL;
4370 AG_LOCAL_LOCK( mutex );
4371 if (*phead == NULL)
4372 {
4373 //WARN_ON(*ptail != NULL); /* critical, just get more logs */
4374 *phead = pccb;
4375 }
4376 else
4377 {
4378 //WARN_ON(*ptail == NULL); /* critical, just get more logs */
4379 if (*ptail)
4380 (*ptail)->pccbNext = pccb;
4381 }
4382 *ptail = pccb;
4383 AG_LOCAL_UNLOCK( mutex );
4384 return;
4385 }
4386
4387
4388 /******************************************************************************
4389 agtiapi_QueueCCB()
4390
4391 Purpose:
4392
4393 Parameters:
4394
4395
4396 Return:
4397 Note:
4398
4399 ******************************************************************************/
agtiapi_QueueSMP(struct agtiapi_softc * pmcsc,union ccb * ccb)4400 static int agtiapi_QueueSMP(struct agtiapi_softc *pmcsc, union ccb * ccb)
4401 {
4402 pccb_t pccb = agNULL; /* call dequeue */
4403 int status = tiSuccess;
4404 int targetID = xpt_path_target_id(ccb->ccb_h.path);
4405
4406 AGTIAPI_PRINTK("agtiapi_QueueSMP: start\n");
4407
4408 /* get a ccb */
4409 if ((pccb = agtiapi_GetCCB(pmcsc)) == NULL)
4410 {
4411 AGTIAPI_PRINTK("agtiapi_QueueSMP: GetCCB ERROR\n");
4412 ccb->ccb_h.status = CAM_REQ_CMP;
4413 xpt_done(ccb);
4414 return tiBusy;
4415 }
4416 pccb->pmcsc = pmcsc;
4417
4418 /* initialize Command Control Block (CCB) */
4419 pccb->targetId = targetID;
4420 pccb->ccb = ccb; /* for struct scsi_cmnd */
4421
4422 status = agtiapi_PrepareSMPSGList(pmcsc, pccb);
4423
4424 if (status != tiSuccess)
4425 {
4426 AGTIAPI_PRINTK("agtiapi_QueueSMP: agtiapi_PrepareSMPSGList failure\n");
4427 agtiapi_FreeCCB(pmcsc, pccb);
4428 if (status == tiReject)
4429 {
4430 ccb->ccb_h.status = CAM_REQ_INVALID;
4431 }
4432 else
4433 {
4434 ccb->ccb_h.status = CAM_REQ_CMP;
4435 }
4436 xpt_done(ccb);
4437 return tiError;
4438 }
4439
4440 return status;
4441 }
4442
4443 /******************************************************************************
4444 agtiapi_SetLunField()
4445
4446 Purpose:
4447 Set LUN field based on different address mode
4448 Parameters:
4449 ccb_t *pccb (IN) A pointer to the driver's own CCB, not CAM's CCB
4450 Return:
4451 Note:
4452 ******************************************************************************/
agtiapi_SetLunField(ccb_t * pccb)4453 void agtiapi_SetLunField(ccb_t *pccb)
4454 {
4455 U08 *pchar;
4456
4457 pchar = (U08 *)&pccb->tiSuperScsiRequest.scsiCmnd.lun;
4458
4459 // AGTIAPI_PRINTK("agtiapi_SetLunField: start\n");
4460
4461 switch (pccb->addrMode)
4462 {
4463 case AGTIAPI_PERIPHERAL:
4464 *pchar++ = 0;
4465 *pchar = (U08)pccb->lun;
4466 break;
4467 case AGTIAPI_VOLUME_SET:
4468 *pchar++ = (AGTIAPI_VOLUME_SET << AGTIAPI_ADDRMODE_SHIFT) |
4469 (U08)((pccb->lun >> 8) & 0x3F);
4470 *pchar = (U08)pccb->lun;
4471 break;
4472 case AGTIAPI_LUN_ADDR:
4473 *pchar++ = (AGTIAPI_LUN_ADDR << AGTIAPI_ADDRMODE_SHIFT) |
4474 pccb->targetId;
4475 *pchar = (U08)pccb->lun;
4476 break;
4477 }
4478
4479
4480 }
4481
4482
4483 /*****************************************************************************
4484 agtiapi_FreeCCB()
4485
4486 Purpose:
4487 Free a ccb and put it back to ccbFreeList.
4488 Parameters:
4489 struct agtiapi_softc *pmcsc (IN) Pointer to HBA data structure
4490 pccb_t pccb (IN) A pointer to the driver's own CCB, not
4491 CAM's CCB
4492 Returns:
4493 Note:
4494 *****************************************************************************/
agtiapi_FreeCCB(struct agtiapi_softc * pmcsc,pccb_t pccb)4495 STATIC void agtiapi_FreeCCB(struct agtiapi_softc *pmcsc, pccb_t pccb)
4496 {
4497 union ccb *ccb = pccb->ccb;
4498 bus_dmasync_op_t op;
4499
4500 AG_LOCAL_LOCK(&pmcsc->ccbLock);
4501 AGTIAPI_IO( "agtiapi_FreeCCB: start %p\n", pccb );
4502
4503 #ifdef AGTIAPI_TEST_EPL
4504 tiEncrypt_t *encrypt;
4505 #endif
4506
4507 agtiapi_DumpCDB( "agtiapi_FreeCCB", pccb );
4508
4509 if (pccb->sgList != agNULL)
4510 {
4511 AGTIAPI_IO( "agtiapi_FreeCCB: pccb->sgList is NOT null\n" );
4512 }
4513 else
4514 {
4515 AGTIAPI_PRINTK( "agtiapi_FreeCCB: pccb->sgList is null\n" );
4516 }
4517
4518 /* set data transfer direction */
4519 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
4520 {
4521 op = BUS_DMASYNC_POSTWRITE;
4522 }
4523 else
4524 {
4525 op = BUS_DMASYNC_POSTREAD;
4526 }
4527
4528 if (pccb->numSgElements == 0)
4529 {
4530 // do nothing
4531 AGTIAPI_IO( "agtiapi_FreeCCB: numSgElements zero\n" );
4532 }
4533 else if (pccb->numSgElements == 1)
4534 {
4535 AGTIAPI_IO( "agtiapi_FreeCCB: numSgElements is one\n" );
4536 //op is either BUS_DMASYNC_POSTWRITE or BUS_DMASYNC_POSTREAD
4537 bus_dmamap_sync(pmcsc->buffer_dmat, pccb->CCB_dmamap, op);
4538 bus_dmamap_unload(pmcsc->buffer_dmat, pccb->CCB_dmamap);
4539 }
4540 else
4541 {
4542 AGTIAPI_PRINTK( "agtiapi_FreeCCB: numSgElements 2 or higher \n" );
4543 //op is either BUS_DMASYNC_POSTWRITE or BUS_DMASYNC_POSTREAD
4544 bus_dmamap_sync(pmcsc->buffer_dmat, pccb->CCB_dmamap, op);
4545 bus_dmamap_unload(pmcsc->buffer_dmat, pccb->CCB_dmamap);
4546 }
4547
4548 #ifdef AGTIAPI_TEST_DPL
4549 if (pccb->tiSuperScsiRequest.Dif.enableDIFPerLA == TRUE) {
4550 if(pccb->dplPtr)
4551 memset( (char *) pccb->dplPtr,
4552 0,
4553 MAX_DPL_REGIONS * sizeof(dplaRegion_t) );
4554 pccb->tiSuperScsiRequest.Dif.enableDIFPerLA = FALSE;
4555 pccb->tiSuperScsiRequest.Dif.DIFPerLAAddrLo = 0;
4556 pccb->tiSuperScsiRequest.Dif.DIFPerLAAddrHi = 0;
4557 }
4558 #endif
4559
4560 #ifdef AGTIAPI_TEST_EPL
4561 encrypt = &pccb->tiSuperScsiRequest.Encrypt;
4562 if (encrypt->enableEncryptionPerLA == TRUE) {
4563 encrypt->enableEncryptionPerLA = FALSE;
4564 encrypt->EncryptionPerLAAddrLo = 0;
4565 encrypt->EncryptionPerLAAddrHi = 0;
4566 }
4567 #endif
4568
4569 #ifdef ENABLE_SATA_DIF
4570 if (pccb->holePtr && pccb->dmaHandleHole)
4571 pci_free_consistent( pmcsc->pCardInfo->pPCIDev,
4572 512,
4573 pccb->holePtr,
4574 pccb->dmaHandleHole );
4575 pccb->holePtr = 0;
4576 pccb->dmaHandleHole = 0;
4577 #endif
4578
4579 pccb->dataLen = 0;
4580 pccb->retryCount = 0;
4581 pccb->ccbStatus = 0;
4582 pccb->scsiStatus = 0;
4583 pccb->startTime = 0;
4584 pccb->dmaHandle = 0;
4585 pccb->numSgElements = 0;
4586 pccb->tiIORequest.tdData = 0;
4587 memset((void *)&pccb->tiSuperScsiRequest, 0, AGSCSI_INIT_XCHG_LEN);
4588
4589 #ifdef HIALEAH_ENCRYPTION
4590 if (pmcsc->encrypt)
4591 agtiapi_CleanupEncryptedIO(pmcsc, pccb);
4592 #endif
4593
4594 pccb->flags = 0;
4595 pccb->ccb = NULL;
4596 pccb->pccbIO = NULL;
4597 pccb->pccbNext = (pccb_t)pmcsc->ccbFreeList;
4598 pmcsc->ccbFreeList = (caddr_t *)pccb;
4599
4600 pmcsc->activeCCB--;
4601
4602 AG_LOCAL_UNLOCK(&pmcsc->ccbLock);
4603 return;
4604 }
4605
4606
4607 /******************************************************************************
4608 agtiapi_FlushCCBs()
4609
4610 Purpose:
4611 Flush all in processed ccbs.
4612 Parameters:
4613 ag_card_t *pCard (IN) Pointer to HBA data structure
4614 U32 flag (IN) Flag to call back
4615 Return:
4616 Note:
4617 ******************************************************************************/
agtiapi_FlushCCBs(struct agtiapi_softc * pCard,U32 flag)4618 STATIC void agtiapi_FlushCCBs( struct agtiapi_softc *pCard, U32 flag )
4619 {
4620 union ccb *ccb;
4621 ccb_t *pccb;
4622
4623 AGTIAPI_PRINTK( "agtiapi_FlushCCBs: enter \n" );
4624 for( pccb = (pccb_t)pCard->ccbChainList;
4625 pccb != NULL;
4626 pccb = pccb->pccbChainNext ) {
4627 if( pccb->flags == 0 )
4628 {
4629 // printf( "agtiapi_FlushCCBs: nothing, continue \n" );
4630 continue;
4631 }
4632 ccb = pccb->ccb;
4633 if ( pccb->flags & ( TASK_MANAGEMENT | DEV_RESET ) )
4634 {
4635 AGTIAPI_PRINTK( "agtiapi_FlushCCBs: agtiapi_FreeTMCCB \n" );
4636 agtiapi_FreeTMCCB( pCard, pccb );
4637 }
4638 else
4639 {
4640 if ( pccb->flags & TAG_SMP )
4641 {
4642 AGTIAPI_PRINTK( "agtiapi_FlushCCBs: agtiapi_FreeSMPCCB \n" );
4643 agtiapi_FreeSMPCCB( pCard, pccb );
4644 }
4645 else
4646 {
4647 AGTIAPI_PRINTK( "agtiapi_FlushCCBs: agtiapi_FreeCCB \n" );
4648 agtiapi_FreeCCB( pCard, pccb );
4649 }
4650 if( ccb ) {
4651 CMND_DMA_UNMAP( pCard, ccb );
4652 if( flag == AGTIAPI_CALLBACK ) {
4653 ccb->ccb_h.status = CAM_SCSI_BUS_RESET;
4654 xpt_done( ccb );
4655 }
4656 }
4657 }
4658 }
4659 }
4660
4661 /*****************************************************************************
4662 agtiapi_FreeSMPCCB()
4663
4664 Purpose:
4665 Free a ccb and put it back to ccbFreeList.
4666 Parameters:
4667 struct agtiapi_softc *pmcsc (IN) Pointer to HBA data structure
4668 pccb_t pccb (IN) A pointer to the driver's own CCB, not
4669 CAM's CCB
4670 Returns:
4671 Note:
4672 *****************************************************************************/
agtiapi_FreeSMPCCB(struct agtiapi_softc * pmcsc,pccb_t pccb)4673 STATIC void agtiapi_FreeSMPCCB(struct agtiapi_softc *pmcsc, pccb_t pccb)
4674 {
4675 union ccb *ccb = pccb->ccb;
4676 bus_dmasync_op_t op;
4677
4678 AG_LOCAL_LOCK(&pmcsc->ccbLock);
4679 AGTIAPI_PRINTK("agtiapi_FreeSMPCCB: start %p\n", pccb);
4680
4681 /* set data transfer direction */
4682 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
4683 {
4684 op = BUS_DMASYNC_POSTWRITE;
4685 }
4686 else
4687 {
4688 op = BUS_DMASYNC_POSTREAD;
4689 }
4690
4691 if (pccb->numSgElements == 0)
4692 {
4693 // do nothing
4694 AGTIAPI_PRINTK("agtiapi_FreeSMPCCB: numSgElements 0\n");
4695 }
4696 else if (pccb->numSgElements == 1)
4697 {
4698 AGTIAPI_PRINTK("agtiapi_FreeSMPCCB: numSgElements 1\n");
4699 //op is either BUS_DMASYNC_POSTWRITE or BUS_DMASYNC_POSTREAD
4700 bus_dmamap_sync(pmcsc->buffer_dmat, pccb->CCB_dmamap, op);
4701 bus_dmamap_unload(pmcsc->buffer_dmat, pccb->CCB_dmamap);
4702 }
4703 else
4704 {
4705 AGTIAPI_PRINTK("agtiapi_FreeSMPCCB: numSgElements 2 or higher \n");
4706 //op is either BUS_DMASYNC_POSTWRITE or BUS_DMASYNC_POSTREAD
4707 bus_dmamap_sync(pmcsc->buffer_dmat, pccb->CCB_dmamap, op);
4708 bus_dmamap_unload(pmcsc->buffer_dmat, pccb->CCB_dmamap);
4709 }
4710
4711 /*dma api cleanning*/
4712 pccb->dataLen = 0;
4713 pccb->retryCount = 0;
4714 pccb->ccbStatus = 0;
4715 pccb->startTime = 0;
4716 pccb->dmaHandle = 0;
4717 pccb->numSgElements = 0;
4718 pccb->tiIORequest.tdData = 0;
4719 memset((void *)&pccb->tiSMPFrame, 0, AGSMP_INIT_XCHG_LEN);
4720
4721 pccb->flags = 0;
4722 pccb->ccb = NULL;
4723 pccb->pccbNext = (pccb_t)pmcsc->ccbFreeList;
4724 pmcsc->ccbFreeList = (caddr_t *)pccb;
4725
4726 pmcsc->activeCCB--;
4727
4728 AG_LOCAL_UNLOCK(&pmcsc->ccbLock);
4729 return;
4730
4731 }
4732
4733 /*****************************************************************************
4734 agtiapi_FreeTMCCB()
4735
4736 Purpose:
4737 Free a ccb and put it back to ccbFreeList.
4738 Parameters:
4739 struct agtiapi_softc *pmcsc (IN) Pointer to HBA data structure
4740 pccb_t pccb (IN) A pointer to the driver's own CCB, not
4741 CAM's CCB
4742 Returns:
4743 Note:
4744 *****************************************************************************/
agtiapi_FreeTMCCB(struct agtiapi_softc * pmcsc,pccb_t pccb)4745 STATIC void agtiapi_FreeTMCCB(struct agtiapi_softc *pmcsc, pccb_t pccb)
4746 {
4747 AG_LOCAL_LOCK(&pmcsc->ccbLock);
4748 AGTIAPI_PRINTK("agtiapi_FreeTMCCB: start %p\n", pccb);
4749 pccb->dataLen = 0;
4750 pccb->retryCount = 0;
4751 pccb->ccbStatus = 0;
4752 pccb->scsiStatus = 0;
4753 pccb->startTime = 0;
4754 pccb->dmaHandle = 0;
4755 pccb->numSgElements = 0;
4756 pccb->tiIORequest.tdData = 0;
4757 memset((void *)&pccb->tiSuperScsiRequest, 0, AGSCSI_INIT_XCHG_LEN);
4758 pccb->flags = 0;
4759 pccb->ccb = NULL;
4760 pccb->pccbIO = NULL;
4761 pccb->pccbNext = (pccb_t)pmcsc->ccbFreeList;
4762 pmcsc->ccbFreeList = (caddr_t *)pccb;
4763 pmcsc->activeCCB--;
4764 AG_LOCAL_UNLOCK(&pmcsc->ccbLock);
4765 return;
4766 }
4767 /******************************************************************************
4768 agtiapi_CheckAllVectors():
4769
4770 Purpose:
4771 Parameters:
4772 Return:
4773 Note:
4774 Currently, not used.
4775 ******************************************************************************/
agtiapi_CheckAllVectors(struct agtiapi_softc * pCard,bit32 context)4776 void agtiapi_CheckAllVectors( struct agtiapi_softc *pCard, bit32 context )
4777 {
4778 #ifdef SPC_MSIX_INTR
4779 if (!agtiapi_intx_mode)
4780 {
4781 int i;
4782
4783 for (i = 0; i < pCard->pCardInfo->maxInterruptVectors; i++)
4784 if (tiCOMInterruptHandler(&pCard->tiRoot, i) == agTRUE)
4785 tiCOMDelayedInterruptHandler(&pCard->tiRoot, i, 100, context);
4786 }
4787 else
4788 if (tiCOMInterruptHandler(&pCard->tiRoot, 0) == agTRUE)
4789 tiCOMDelayedInterruptHandler(&pCard->tiRoot, 0, 100, context);
4790 #else
4791 if (tiCOMInterruptHandler(&pCard->tiRoot, 0) == agTRUE)
4792 tiCOMDelayedInterruptHandler(&pCard->tiRoot, 0, 100, context);
4793 #endif
4794
4795 }
4796
4797
4798 /******************************************************************************
4799 agtiapi_CheckCB()
4800
4801 Purpose:
4802 Check call back function returned event for process completion
4803 Parameters:
4804 struct agtiapi_softc *pCard Pointer to card data structure
4805 U32 milisec (IN) Waiting time for expected event
4806 U32 flag (IN) Flag of the event to check
4807 U32 *pStatus (IN) Pointer to status of the card or port to check
4808 Return:
4809 AGTIAPI_SUCCESS - event comes as expected
4810 AGTIAPI_FAIL - event not coming
4811 Note:
4812 Currently, not used
4813 ******************************************************************************/
agtiapi_CheckCB(struct agtiapi_softc * pCard,U32 milisec,U32 flag,volatile U32 * pStatus)4814 agBOOLEAN agtiapi_CheckCB( struct agtiapi_softc *pCard,
4815 U32 milisec,
4816 U32 flag,
4817 volatile U32 *pStatus )
4818 {
4819 U32 msecsPerTick = pCard->pCardInfo->tiRscInfo.tiInitiatorResource.
4820 initiatorOption.usecsPerTick / 1000;
4821 S32 i = milisec/msecsPerTick;
4822 AG_GLOBAL_ARG( _flags );
4823
4824 AGTIAPI_PRINTK( "agtiapi_CheckCB: start\n" );
4825 AGTIAPI_FLOW( "agtiapi_CheckCB: start\n" );
4826
4827 if( i <= 0 )
4828 i = 1;
4829 while (i > 0)
4830 {
4831 if (*pStatus & TASK_MANAGEMENT)
4832 {
4833 if (*pStatus & AGTIAPI_CB_DONE)
4834 {
4835 if( flag == 0 || *pStatus & flag )
4836 return AGTIAPI_SUCCESS;
4837 else
4838 return AGTIAPI_FAIL;
4839 }
4840 }
4841 else if (pCard->flags & AGTIAPI_CB_DONE)
4842 {
4843 if( flag == 0 || *pStatus & flag )
4844 return AGTIAPI_SUCCESS;
4845 else
4846 return AGTIAPI_FAIL;
4847 }
4848
4849 agtiapi_DelayMSec( msecsPerTick );
4850
4851 AG_SPIN_LOCK_IRQ( agtiapi_host_lock, _flags );
4852 tiCOMTimerTick( &pCard->tiRoot );
4853
4854 agtiapi_CheckAllVectors( pCard, tiNonInterruptContext );
4855 AG_SPIN_UNLOCK_IRQ( agtiapi_host_lock, _flags );
4856
4857 i--;
4858 }
4859
4860 if( *pStatus & TASK_MANAGEMENT )
4861 *pStatus |= TASK_TIMEOUT;
4862
4863 return AGTIAPI_FAIL;
4864 }
4865
4866
4867 /******************************************************************************
4868 agtiapi_DiscoverTgt()
4869
4870 Purpose:
4871 Discover available devices
4872 Parameters:
4873 struct agtiapi_softc *pCard (IN) Pointer to the HBA data structure
4874 Return:
4875 Note:
4876 ******************************************************************************/
agtiapi_DiscoverTgt(struct agtiapi_softc * pCard)4877 STATIC void agtiapi_DiscoverTgt(struct agtiapi_softc *pCard)
4878 {
4879
4880 ag_portal_data_t *pPortalData;
4881 U32 count;
4882
4883 AGTIAPI_PRINTK("agtiapi_DiscoverTgt: start\n");
4884 AGTIAPI_FLOW("agtiapi_DiscoverTgt\n");
4885 AGTIAPI_INIT("agtiapi_DiscoverTgt\n");
4886
4887 pPortalData = pCard->pPortalData;
4888 for (count = 0; count < pCard->portCount; count++, pPortalData++)
4889 {
4890 pCard->flags &= ~AGTIAPI_CB_DONE;
4891 if (!(PORTAL_STATUS(pPortalData) & AGTIAPI_PORT_DISC_READY))
4892 {
4893 if (pCard->flags & AGTIAPI_INIT_TIME)
4894 {
4895 if (agtiapi_CheckCB(pCard, 5000, AGTIAPI_PORT_DISC_READY,
4896 &PORTAL_STATUS(pPortalData)) == AGTIAPI_FAIL)
4897 {
4898 AGTIAPI_PRINTK( "agtiapi_DiscoverTgt: Port %p / %d not ready for "
4899 "discovery\n",
4900 pPortalData, count );
4901 /*
4902 * There is no need to spend time on discovering device
4903 * if port is not ready to do so.
4904 */
4905 continue;
4906 }
4907 }
4908 else
4909 continue;
4910 }
4911
4912 AGTIAPI_FLOW( "agtiapi_DiscoverTgt: Portal %p DiscoverTargets starts\n",
4913 pPortalData );
4914 AGTIAPI_INIT_DELAY(1000);
4915
4916 pCard->flags &= ~AGTIAPI_CB_DONE;
4917 if (tiINIDiscoverTargets(&pCard->tiRoot,
4918 &pPortalData->portalInfo.tiPortalContext,
4919 FORCE_PERSISTENT_ASSIGN_MASK)
4920 != tiSuccess)
4921 AGTIAPI_PRINTK("agtiapi_DiscoverTgt: tiINIDiscoverTargets ERROR\n");
4922
4923 /*
4924 * Should wait till discovery completion to start
4925 * next portal. However, lower layer have issue on
4926 * multi-portal case under Linux.
4927 */
4928 }
4929
4930 pPortalData = pCard->pPortalData;
4931 for (count = 0; count < pCard->portCount; count++, pPortalData++)
4932 {
4933 if ((PORTAL_STATUS(pPortalData) & AGTIAPI_PORT_DISC_READY))
4934 {
4935 if (agtiapi_CheckCB(pCard, 20000, AGTIAPI_DISC_COMPLETE,
4936 &PORTAL_STATUS(pPortalData)) == AGTIAPI_FAIL)
4937 {
4938 if ((PORTAL_STATUS(pPortalData) & AGTIAPI_DISC_COMPLETE))
4939 AGTIAPI_PRINTK( "agtiapi_DiscoverTgt: Portal %p discover complete, "
4940 "status 0x%x\n",
4941 pPortalData,
4942 PORTAL_STATUS(pPortalData) );
4943 else
4944 AGTIAPI_PRINTK( "agtiapi_DiscoverTgt: Portal %p discover is not "
4945 "completed, status 0x%x\n",
4946 pPortalData, PORTAL_STATUS(pPortalData) );
4947 continue;
4948 }
4949 AGTIAPI_PRINTK( "agtiapi_DiscoverTgt: Portal %d discover target "
4950 "success\n",
4951 count );
4952 }
4953 }
4954
4955 /*
4956 * Calling to get device handle should be done per portal based
4957 * and better right after discovery is done. However, lower iscsi
4958 * layer may not returns discovery complete in correct sequence or we
4959 * ran out time. We get device handle for all portals together
4960 * after discovery is done or timed out.
4961 */
4962 pPortalData = pCard->pPortalData;
4963 for (count = 0; count < pCard->portCount; count++, pPortalData++)
4964 {
4965 /*
4966 * We try to get device handle no matter
4967 * if discovery is completed or not.
4968 */
4969 if (PORTAL_STATUS(pPortalData) & AGTIAPI_PORT_DISC_READY)
4970 {
4971 U32 i;
4972
4973 for (i = 0; i < AGTIAPI_GET_DEV_MAX; i++)
4974 {
4975 if (agtiapi_GetDevHandle(pCard, &pPortalData->portalInfo, 0, 0) != 0)
4976 break;
4977 agtiapi_DelayMSec(AGTIAPI_EXTRA_DELAY);
4978 }
4979
4980 if ((PORTAL_STATUS(pPortalData) & AGTIAPI_DISC_COMPLETE) ||
4981 (pCard->tgtCount > 0))
4982 PORTAL_STATUS(pPortalData) |= ( AGTIAPI_DISC_DONE |
4983 AGTIAPI_PORT_LINK_UP );
4984 }
4985 }
4986
4987 return;
4988
4989 }
4990
4991
4992
4993 /******************************************************************************
4994 agtiapi_PrepCCBs()
4995
4996 Purpose:
4997 Prepares CCB including DMA map.
4998 Parameters:
4999 struct agtiapi_softc *pCard (IN) Pointer to the HBA data structure
5000 ccb_hdr_t *hdr (IN) Pointer to the CCB header
5001 U32 size (IN) size
5002 U32 max_ccb (IN) count
5003
5004 Return:
5005 Note:
5006 ******************************************************************************/
agtiapi_PrepCCBs(struct agtiapi_softc * pCard,ccb_hdr_t * hdr,U32 size,U32 max_ccb,int tid)5007 STATIC void agtiapi_PrepCCBs( struct agtiapi_softc *pCard,
5008 ccb_hdr_t *hdr,
5009 U32 size,
5010 U32 max_ccb,
5011 int tid )
5012 {
5013
5014 int i;
5015 U32 hdr_sz, ccb_sz;
5016 ccb_t *pccb = NULL;
5017 int offset = 0;
5018 int nsegs = 0;
5019 int sgl_sz = 0;
5020
5021 AGTIAPI_PRINTK("agtiapi_PrepCCBs: start\n");
5022 offset = tid * AGTIAPI_CCB_PER_DEVICE;
5023 nsegs = AGTIAPI_NSEGS;
5024 sgl_sz = sizeof(tiSgl_t) * nsegs;
5025 AGTIAPI_PRINTK( "agtiapi_PrepCCBs: tid %d offset %d nsegs %d sizeof(tiSgl_t) "
5026 "%lu, max_ccb %d\n",
5027 tid,
5028 offset,
5029 nsegs,
5030 sizeof(tiSgl_t),
5031 max_ccb );
5032
5033 ccb_sz = roundup2(AGTIAPI_CCB_SIZE, cache_line_size());
5034 hdr_sz = roundup2(sizeof(*hdr), cache_line_size());
5035
5036 AGTIAPI_PRINTK("agtiapi_PrepCCBs: after cache line\n");
5037
5038 memset((void *)hdr, 0, size);
5039 hdr->next = pCard->ccbAllocList;
5040 pCard->ccbAllocList = hdr;
5041
5042 AGTIAPI_PRINTK("agtiapi_PrepCCBs: after memset\n");
5043
5044 pccb = (ccb_t*) ((char*)hdr + hdr_sz);
5045
5046 for (i = 0; i < max_ccb; i++, pccb = (ccb_t*)((char*)pccb + ccb_sz))
5047 {
5048 pccb->tiIORequest.osData = (void *)pccb;
5049
5050 /*
5051 * Initially put all the ccbs on the free list
5052 * in addition to chainlist.
5053 * ccbChainList is a list of all available ccbs
5054 * (free/active everything)
5055 */
5056 pccb->pccbChainNext = (pccb_t)pCard->ccbChainList;
5057 pccb->pccbNext = (pccb_t)pCard->ccbFreeList;
5058
5059 pCard->ccbChainList = (caddr_t *)pccb;
5060 pCard->ccbFreeList = (caddr_t *)pccb;
5061 pCard->ccbTotal++;
5062
5063 #ifdef AGTIAPI_ALIGN_CHECK
5064 if (&pccb & 0x63)
5065 AGTIAPI_PRINTK("pccb = %p\n", pccb);
5066 if (pccb->devHandle & 0x63)
5067 AGTIAPI_PRINTK("devHandle addr = %p\n", &pccb->devHandle);
5068 if (&pccb->lun & 0x63)
5069 AGTIAPI_PRINTK("lun addr = %p\n", &pccb->lun);
5070 if (&pccb->targetId & 0x63)
5071 AGTIAPI_PRINTK("tig addr = %p\n", &pccb->targetId);
5072 if (&pccb->ccbStatus & 0x63)
5073 AGTIAPI_PRINTK("ccbStatus addr = %p\n", &pccb->ccbStatus);
5074 if (&pccb->scsiStatus & 0x63)
5075 AGTIAPI_PRINTK("scsiStatus addr = %p\n", &pccb->scsiStatus);
5076 if (&pccb->dataLen & 0x63)
5077 AGTIAPI_PRINTK("dataLen addr = %p\n", &pccb->dataLen);
5078 if (&pccb->senseLen & 0x63)
5079 AGTIAPI_PRINTK("senseLen addr = %p\n", &pccb->senseLen);
5080 if (&pccb->numSgElements & 0x63)
5081 AGTIAPI_PRINTK("numSgElements addr = %p\n", &pccb->numSgElements);
5082 if (&pccb->retryCount & 0x63)
5083 AGTIAPI_PRINTK("retry cnt addr = %p\n", &pccb->retryCount);
5084 if (&pccb->flags & 0x63)
5085 AGTIAPI_PRINTK("flag addr = %p\n", &pccb->flags);
5086 if (&pccb->pSenseData & 0x63)
5087 AGTIAPI_PRINTK("senseData addr = %p\n", &pccb->pSenseData);
5088 if (&pccb->sgList[0] & 0x63)
5089 AGTIAPI_PRINTK("SgList 0 = %p\n", &pccb->sgList[0]);
5090 if (&pccb->pccbNext & 0x63)
5091 AGTIAPI_PRINTK("ccb next = %p\n", &pccb->pccbNext);
5092 if (&pccb->pccbChainNext & 0x63)
5093 AGTIAPI_PRINTK("ccbChainNext = %p\n", &pccb->pccbChainNext);
5094 if (&pccb->cmd & 0x63)
5095 AGTIAPI_PRINTK("command = %p\n", &pccb->cmd);
5096 if( &pccb->startTime & 0x63 )
5097 AGTIAPI_PRINTK( "startTime = %p\n", &pccb->startTime );
5098 if (&pccb->tiIORequest & 0x63)
5099 AGTIAPI_PRINTK("tiIOReq addr = %p\n", &pccb->tiIORequest);
5100 if (&pccb->tdIOReqBody & 0x63)
5101 AGTIAPI_PRINTK("tdIORequestBody addr = %p\n", &pccb->tdIOReqBody);
5102 if (&pccb->tiSuperScsiRequest & 0x63)
5103 AGTIAPI_PRINTK( "InitiatorExchange addr = %p\n",
5104 &pccb->tiSuperScsiRequest );
5105 #endif
5106 if ( bus_dmamap_create( pCard->buffer_dmat, 0, &pccb->CCB_dmamap ) !=
5107 tiSuccess)
5108 {
5109 AGTIAPI_PRINTK("agtiapi_PrepCCBs: can't create dma\n");
5110 return;
5111 }
5112 /* assigns tiSgl_t memory to pccb */
5113 pccb->sgList = (void*)((U64)pCard->tisgl_mem + ((i + offset) * sgl_sz));
5114 pccb->tisgl_busaddr = pCard->tisgl_busaddr + ((i + offset) * sgl_sz);
5115 pccb->ccb = NULL;
5116 pccb->pccbIO = NULL;
5117 pccb->startTime = 0;
5118 }
5119
5120 #ifdef AGTIAPI_ALIGN_CHECK
5121 AGTIAPI_PRINTK("ccb size = %d / %d\n", sizeof(ccb_t), ccb_sz);
5122 #endif
5123 return;
5124 }
5125
5126 /******************************************************************************
5127 agtiapi_InitCCBs()
5128
5129 Purpose:
5130 Create and initialize per card based CCB pool.
5131 Parameters:
5132 struct agtiapi_softc *pCard (IN) Pointer to the HBA data structure
5133 int tgtCount (IN) Count
5134 Return:
5135 Total number of ccb allocated
5136 Note:
5137 ******************************************************************************/
agtiapi_InitCCBs(struct agtiapi_softc * pCard,int tgtCount,int tid)5138 STATIC U32 agtiapi_InitCCBs(struct agtiapi_softc *pCard, int tgtCount, int tid)
5139 {
5140
5141 U32 max_ccb, size, ccb_sz, hdr_sz;
5142 int no_allocs = 0, i;
5143 ccb_hdr_t *hdr = NULL;
5144
5145 AGTIAPI_PRINTK("agtiapi_InitCCBs: start\n");
5146 AGTIAPI_PRINTK("agtiapi_InitCCBs: tgtCount %d tid %d\n", tgtCount, tid);
5147 AGTIAPI_FLOW("agtiapi_InitCCBs: tgtCount %d tid %d\n", tgtCount, tid);
5148
5149 #ifndef HOTPLUG_SUPPORT
5150 if (pCard->tgtCount > AGSA_MAX_INBOUND_Q)
5151 return 1;
5152 #else
5153 if (tgtCount > AGSA_MAX_INBOUND_Q)
5154 tgtCount = AGSA_MAX_INBOUND_Q;
5155 #endif
5156
5157 max_ccb = tgtCount * AGTIAPI_CCB_PER_DEVICE;// / 4; // TBR
5158 ccb_sz = roundup2(AGTIAPI_CCB_SIZE, cache_line_size());
5159 hdr_sz = roundup2(sizeof(*hdr), cache_line_size());
5160 size = ccb_sz * max_ccb + hdr_sz;
5161
5162 for (i = 0; i < (1 << no_allocs); i++)
5163 {
5164 hdr = (ccb_hdr_t*)malloc( size, M_PMC_MCCB, M_NOWAIT );
5165 if( !hdr )
5166 {
5167 panic( "agtiapi_InitCCBs: bug!!!\n" );
5168 }
5169 else
5170 {
5171 agtiapi_PrepCCBs( pCard, hdr, size, max_ccb, tid );
5172 }
5173 }
5174
5175 return 1;
5176
5177 }
5178
5179
5180 #ifdef LINUX_PERBI_SUPPORT
5181 /******************************************************************************
5182 agtiapi_GetWWNMappings()
5183
5184 Purpose:
5185 Get the mappings from target IDs to WWNs, if any.
5186 Store them in the WWN_list array, indexed by target ID.
5187 Leave the devListIndex field blank; this will be filled-in later.
5188 Parameters:
5189 ag_card_t *pCard (IN) Pointer to HBA data structure
5190 ag_mapping_t *pMapList (IN) Pointer to mapped device list
5191 Return:
5192 Note: The boot command line parameters are used to load the
5193 mapping information, which is contained in the system
5194 configuration file.
5195 ******************************************************************************/
agtiapi_GetWWNMappings(struct agtiapi_softc * pCard,ag_mapping_t * pMapList)5196 STATIC void agtiapi_GetWWNMappings( struct agtiapi_softc *pCard,
5197 ag_mapping_t *pMapList )
5198 {
5199 int devDisc;
5200 int lIdx = 0;
5201 ag_tgt_map_t *pWWNList;
5202 ag_slr_map_t *pSLRList;
5203 ag_device_t *pDevList;
5204
5205 if( !pCard )
5206 panic( "agtiapi_GetWWNMappings: no pCard \n" );
5207
5208 AGTIAPI_PRINTK( "agtiapi_GetWWNMappings: start\n" );
5209
5210 pWWNList = pCard->pWWNList;
5211 pSLRList = pCard->pSLRList;
5212 pDevList = pCard->pDevList;
5213 pCard->numTgtHardMapped = 0;
5214 devDisc = pCard->devDiscover;
5215
5216 pWWNList[devDisc-1].devListIndex = maxTargets;
5217 pSLRList[devDisc-1].localeNameLen = -2;
5218 pSLRList[devDisc-1].remoteNameLen = -2;
5219 pDevList[devDisc-1].targetId = maxTargets;
5220
5221 /*
5222 * Get the mappings from holding area which contains
5223 * the input of the system file and store them
5224 * in the WWN_list array, indexed by target ID.
5225 */
5226 for ( lIdx = 0; lIdx < devDisc - 1; lIdx++) {
5227 pWWNList[lIdx].flags = 0;
5228 pWWNList[lIdx].devListIndex = maxTargets;
5229 pSLRList[lIdx].localeNameLen = -1;
5230 pSLRList[lIdx].remoteNameLen = -1;
5231 }
5232
5233 // this is where we would propagate values fed to pMapList
5234
5235 } /* agtiapi_GetWWNMappings */
5236
5237 #endif
5238
5239
5240 /******************************************************************************
5241 agtiapi_FindWWNListNext()
5242 Purpose:
5243 finds first available new (unused) wwn list entry
5244
5245 Parameters:
5246 ag_tgt_map_t *pWWNList Pointer to head of wwn list
5247 int lstMax Number of entries in WWNList
5248 Return:
5249 index into WWNList indicating available entry space;
5250 if available entry space is not found, return negative value
5251 ******************************************************************************/
agtiapi_FindWWNListNext(ag_tgt_map_t * pWWNList,int lstMax)5252 STATIC int agtiapi_FindWWNListNext( ag_tgt_map_t *pWWNList, int lstMax )
5253 {
5254 int lLstIdx;
5255
5256 for ( lLstIdx = 0; lLstIdx < lstMax; lLstIdx++ )
5257 {
5258 if ( pWWNList[lLstIdx].devListIndex == lstMax &&
5259 pWWNList[lLstIdx].targetLen == 0 )
5260 {
5261 AGTIAPI_PRINTK( "agtiapi_FindWWNListNext: %d %d %d %d v. %d\n",
5262 lLstIdx,
5263 pWWNList[lLstIdx].devListIndex,
5264 pWWNList[lLstIdx].targetLen,
5265 pWWNList[lLstIdx].portId,
5266 lstMax );
5267 return lLstIdx;
5268 }
5269 }
5270 return -1;
5271 }
5272
5273
5274 /******************************************************************************
5275 agtiapi_GetDevHandle()
5276
5277 Purpose:
5278 Get device handle. Handles will be placed in the
5279 devlist array with same order as TargetList provided and
5280 will be mapped to a scsi target id and registered to OS later.
5281 Parameters:
5282 struct agtiapi_softc *pCard (IN) Pointer to the HBA data structure
5283 ag_portal_info_t *pPortalInfo (IN) Pointer to the portal data structure
5284 U32 eType (IN) Port event
5285 U32 eStatus (IN) Port event status
5286 Return:
5287 Number of device handle slot present
5288 Note:
5289 The sequence of device handle will match the sequence of taregt list
5290 ******************************************************************************/
agtiapi_GetDevHandle(struct agtiapi_softc * pCard,ag_portal_info_t * pPortalInfo,U32 eType,U32 eStatus)5291 STATIC U32 agtiapi_GetDevHandle( struct agtiapi_softc *pCard,
5292 ag_portal_info_t *pPortalInfo,
5293 U32 eType,
5294 U32 eStatus )
5295 {
5296 ag_device_t *pDevice;
5297 // tiDeviceHandle_t *agDev[pCard->devDiscover];
5298 tiDeviceHandle_t **agDev;
5299 int devIdx, szdv, devTotal, cmpsetRtn;
5300 int lDevIndex = 0, lRunScanFlag = FALSE;
5301 int *lDevFlags;
5302 tiPortInfo_t portInfT;
5303 ag_device_t lTmpDevice;
5304 ag_tgt_map_t *pWWNList;
5305 ag_slr_map_t *pSLRList;
5306 bit32 lReadRm;
5307 bit16 lReadCt;
5308
5309
5310 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: start\n" );
5311 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: pCard->devDiscover %d / tgtCt %d\n",
5312 pCard->devDiscover, pCard->tgtCount );
5313 AGTIAPI_FLOW( "agtiapi_GetDevHandle: portalInfo %p\n", pPortalInfo );
5314 AGTIAPI_INIT_DELAY( 1000 );
5315
5316 agDev = (tiDeviceHandle_t **) malloc( sizeof(tiDeviceHandle_t *) * pCard->devDiscover,
5317 M_PMC_MDEV, M_ZERO | M_NOWAIT);
5318 if (agDev == NULL)
5319 {
5320 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: failed to alloc agDev[]\n" );
5321 return 0;
5322 }
5323
5324 lDevFlags = (int *) malloc( sizeof(int) * pCard->devDiscover,
5325 M_PMC_MFLG, M_ZERO | M_NOWAIT );
5326 if (lDevFlags == NULL)
5327 {
5328 free((caddr_t)agDev, M_PMC_MDEV);
5329 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: failed to alloc lDevFlags[]\n" );
5330 return 0;
5331 }
5332
5333 pWWNList = pCard->pWWNList;
5334 pSLRList = pCard->pSLRList;
5335
5336 memset( (void *)agDev, 0, sizeof(void *) * pCard->devDiscover );
5337 memset( lDevFlags, 0, sizeof(int) * pCard->devDiscover );
5338
5339 // get device handles
5340 devTotal = tiINIGetDeviceHandles( &pCard->tiRoot,
5341 &pPortalInfo->tiPortalContext,
5342 (tiDeviceHandle_t **)agDev,
5343 pCard->devDiscover );
5344
5345 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: portalInfo %p port id %d event %u "
5346 "status %u card %p pCard->devDiscover %d devTotal %d "
5347 "pPortalInfo->devTotal %d pPortalInfo->devPrev %d "
5348 "AGTIAPI_INIT_TIME %x\n",
5349 pPortalInfo, pPortalInfo->portID, eType, eStatus, pCard,
5350 pCard->devDiscover, devTotal, pPortalInfo->devTotal,
5351 pPortalInfo->devPrev,
5352 pCard->flags & AGTIAPI_INIT_TIME );
5353
5354 // reset devTotal from any previous runs of this
5355 pPortalInfo->devPrev = devTotal;
5356 pPortalInfo->devTotal = devTotal;
5357
5358 AG_LIST_LOCK( &pCard->devListLock );
5359
5360 if ( tiCOMGetPortInfo( &pCard->tiRoot,
5361 &pPortalInfo->tiPortalContext,
5362 &portInfT )
5363 != tiSuccess)
5364 {
5365 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: tiCOMGetPortInfo did not succeed. \n" );
5366 }
5367
5368
5369 szdv = sizeof( pPortalInfo->pDevList ) / sizeof( pPortalInfo->pDevList[0] );
5370 if (szdv > pCard->devDiscover)
5371 {
5372 szdv = pCard->devDiscover;
5373 }
5374
5375 // reconstructing dev list via comparison of wwn
5376
5377 for ( devIdx = 0; devIdx < pCard->devDiscover; devIdx++ )
5378 {
5379 if ( agDev[devIdx] != NULL )
5380 {
5381 // AGTIAPI_PRINTK( "agtiapi_GetDevHandle: agDev %d not NULL %p\n",
5382 // devIdx, agDev[devIdx] );
5383
5384 // pack temp device structure for tiINIGetDeviceInfo call
5385 pDevice = &lTmpDevice;
5386 pDevice->devType = DIRECT_DEVICE;
5387 pDevice->pCard = (void *)pCard;
5388 pDevice->flags = ACTIVE;
5389 pDevice->pPortalInfo = pPortalInfo;
5390 pDevice->pDevHandle = agDev[devIdx];
5391 pDevice->qbusy = agFALSE;
5392
5393 //AGTIAPI_PRINTK( "agtiapi_GetDevHandle: idx %d / %d : %p \n",
5394 // devIdx, pCard->devDiscover, agDev[devIdx] );
5395
5396 tiINIGetDeviceInfo( &pCard->tiRoot, agDev[devIdx],
5397 &pDevice->devInfo );
5398
5399 //AGTIAPI_PRINTK( "agtiapi_GetDevHandle: wwn sizes %ld %d/%d ",
5400 // sizeof(pDevice->targetName),
5401 // pDevice->devInfo.osAddress1,
5402 // pDevice->devInfo.osAddress2 );
5403
5404 wwncpy( pDevice );
5405 wwnprintk( (unsigned char*)pDevice->targetName, pDevice->targetLen );
5406
5407 for ( lDevIndex = 0; lDevIndex < szdv; lDevIndex++ ) // match w/ wwn list
5408 {
5409 if ( (pCard->pDevList[lDevIndex].portalId == pPortalInfo->portID) &&
5410 pDevice->targetLen > 0 &&
5411 portInfT.localNameLen > 0 &&
5412 portInfT.remoteNameLen > 0 &&
5413 pSLRList[pWWNList[lDevIndex].sasLrIdx].localeNameLen > 0 &&
5414 pSLRList[pWWNList[lDevIndex].sasLrIdx].remoteNameLen > 0 &&
5415 ( portInfT.localNameLen ==
5416 pSLRList[pWWNList[lDevIndex].sasLrIdx].localeNameLen ) &&
5417 ( portInfT.remoteNameLen ==
5418 pSLRList[pWWNList[lDevIndex].sasLrIdx].remoteNameLen ) &&
5419 memcmp( pWWNList[lDevIndex].targetName, pDevice->targetName,
5420 pDevice->targetLen ) == 0 &&
5421 memcmp( pSLRList[pWWNList[lDevIndex].sasLrIdx].localeName,
5422 portInfT.localName,
5423 portInfT.localNameLen ) == 0 &&
5424 memcmp( pSLRList[pWWNList[lDevIndex].sasLrIdx].remoteName,
5425 portInfT.remoteName,
5426 portInfT.remoteNameLen ) == 0 )
5427 {
5428 AGTIAPI_PRINTK( " pWWNList match @ %d/%d/%d \n",
5429 lDevIndex, devIdx, pPortalInfo->portID );
5430
5431 if ( (pCard->pDevList[lDevIndex].targetId == lDevIndex) &&
5432 ( pPortalInfo->pDevList[lDevIndex] ==
5433 &pCard->pDevList[lDevIndex] ) ) // active
5434 {
5435
5436 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: dev in use %d of %d/%d\n",
5437 lDevIndex, devTotal, pPortalInfo->portID );
5438 lDevFlags[devIdx] |= DPMC_LEANFLAG_AGDEVUSED; // agDev handle
5439 lDevFlags[lDevIndex] |= DPMC_LEANFLAG_PDEVSUSED; // pDevice used
5440 lReadRm = atomic_readandclear_32( &pWWNList[lDevIndex].devRemoved );
5441 if ( lReadRm ) // cleared timeout, now remove count for timer
5442 {
5443 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: clear timer count for"
5444 " %d of %d\n",
5445 lDevIndex, pPortalInfo->portID );
5446 atomic_subtract_16( &pCard->rmChkCt, 1 );
5447 lReadCt = atomic_load_acq_16( &pCard->rmChkCt );
5448 if ( 0 == lReadCt )
5449 {
5450 callout_stop( &pCard->devRmTimer );
5451 }
5452 }
5453 break;
5454 }
5455
5456 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: goin fresh on %d of %d/%d\n",
5457 lDevIndex, // reactivate now
5458 devTotal, pPortalInfo->portID );
5459
5460 // pDevice going fresh
5461 lRunScanFlag = TRUE; // scan and clear outstanding removals
5462
5463 // pCard->tgtCount++; ##
5464 pDevice->targetId = lDevIndex;
5465 pDevice->portalId = pPortalInfo->portID;
5466
5467 memcpy ( &pCard->pDevList[lDevIndex], pDevice, sizeof(lTmpDevice) );
5468 agDev[devIdx]->osData = (void *)&pCard->pDevList[lDevIndex];
5469 if ( agtiapi_InitCCBs( pCard, 1, pDevice->targetId ) == 0 )
5470 {
5471 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: InitCCB "
5472 "tgtCnt %d ERROR!\n", pCard->tgtCount );
5473 AG_LIST_UNLOCK( &pCard->devListLock );
5474 free((caddr_t)lDevFlags, M_PMC_MFLG);
5475 free((caddr_t)agDev, M_PMC_MDEV);
5476 return 0;
5477 }
5478 pPortalInfo->pDevList[lDevIndex] = &pCard->pDevList[lDevIndex]; // (ag_device_t *)
5479 if ( 0 == lDevFlags[devIdx] )
5480 {
5481 pPortalInfo->devTotal++;
5482 lDevFlags[devIdx] |= DPMC_LEANFLAG_AGDEVUSED; // agDev used
5483 lDevFlags[lDevIndex] |= DPMC_LEANFLAG_PDEVSUSED; // pDevice used
5484 }
5485 else
5486 {
5487 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: odd dev handle "
5488 "status inspect %d %d %d\n",
5489 lDevFlags[devIdx], devIdx, lDevIndex );
5490 pPortalInfo->devTotal++;
5491 lDevFlags[devIdx] |= DPMC_LEANFLAG_AGDEVUSED; // agDev used
5492 lDevFlags[lDevIndex] |= DPMC_LEANFLAG_PDEVSUSED; // pDevice used
5493
5494 }
5495 break;
5496 }
5497 }
5498 // end: match this wwn with previous wwn list
5499
5500 // we have an agDev entry, but no pWWNList target for it
5501 if ( !(lDevFlags[devIdx] & DPMC_LEANFLAG_AGDEVUSED) )
5502 { // flag dev handle not accounted for yet
5503 lDevFlags[devIdx] |= DPMC_LEANFLAG_NOWWNLIST;
5504 // later, get an empty pDevice and map this agDev.
5505 // AGTIAPI_PRINTK( "agtiapi_GetDevHandle: devIdx %d flags 0x%x, %d\n",
5506 // devIdx, lDevFlags[devIdx], (lDevFlags[devIdx] & 8) );
5507 }
5508 }
5509 else
5510 {
5511 lDevFlags[devIdx] |= DPMC_LEANFLAG_NOAGDEVYT; // known empty agDev handle
5512 }
5513 }
5514
5515 // AGTIAPI_PRINTK( "agtiapi_GetDevHandle: all WWN all the time, "
5516 // "devLstIdx/flags/(WWNL)portId ... \n" );
5517 // review device list for further action needed
5518 for ( devIdx = 0; devIdx < pCard->devDiscover; devIdx++ )
5519 {
5520 if ( lDevFlags[devIdx] & DPMC_LEANFLAG_NOWWNLIST ) // new target, register
5521 {
5522 int lNextDyad; // find next available dyad entry
5523
5524 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: register new target, "
5525 "devIdx %d -- %d \n", devIdx, pCard->devDiscover );
5526 lRunScanFlag = TRUE; // scan and clear outstanding removals
5527 for ( lNextDyad = 0; lNextDyad < pCard->devDiscover; lNextDyad++ )
5528 {
5529 if ( pSLRList[lNextDyad].localeNameLen < 0 &&
5530 pSLRList[lNextDyad].remoteNameLen < 0 )
5531 break;
5532 }
5533
5534 if ( lNextDyad == pCard->devDiscover )
5535 {
5536 printf( "agtiapi_GetDevHandle: failed to find available SAS LR\n" );
5537 AG_LIST_UNLOCK( &pCard->devListLock );
5538 free( (caddr_t)lDevFlags, M_PMC_MFLG );
5539 free( (caddr_t)agDev, M_PMC_MDEV );
5540 return 0;
5541 }
5542 // index of new entry
5543 lDevIndex = agtiapi_FindWWNListNext( pWWNList, pCard->devDiscover );
5544 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: listIdx new target %d of %d/%d\n",
5545 lDevIndex, devTotal, pPortalInfo->portID );
5546 if ( 0 > lDevIndex )
5547 {
5548 printf( "agtiapi_GetDevHandle: WARNING -- WWNList exhausted.\n" );
5549 continue;
5550 }
5551
5552 pDevice = &pCard->pDevList[lDevIndex];
5553
5554 tiINIGetDeviceInfo( &pCard->tiRoot, agDev[devIdx], &pDevice->devInfo );
5555 wwncpy( pDevice );
5556 agtiapi_InitCCBs( pCard, 1, lDevIndex );
5557
5558 pDevice->pCard = (void *)pCard;
5559 pDevice->devType = DIRECT_DEVICE;
5560
5561 // begin to populate new WWNList entry
5562 memcpy( pWWNList[lDevIndex].targetName, pDevice->targetName, pDevice->targetLen );
5563 pWWNList[lDevIndex].targetLen = pDevice->targetLen;
5564
5565 pWWNList[lDevIndex].flags = SOFT_MAPPED;
5566 pWWNList[lDevIndex].portId = pPortalInfo->portID;
5567 pWWNList[lDevIndex].devListIndex = lDevIndex;
5568 pWWNList[lDevIndex].sasLrIdx = lNextDyad;
5569
5570 pSLRList[lNextDyad].localeNameLen = portInfT.localNameLen;
5571 pSLRList[lNextDyad].remoteNameLen = portInfT.remoteNameLen;
5572 memcpy( pSLRList[lNextDyad].localeName, portInfT.localName, portInfT.localNameLen );
5573 memcpy( pSLRList[lNextDyad].remoteName, portInfT.remoteName, portInfT.remoteNameLen );
5574 // end of populating new WWNList entry
5575
5576 pDevice->targetId = lDevIndex;
5577
5578 pDevice->flags = ACTIVE;
5579 pDevice->CCBCount = 0;
5580 pDevice->pDevHandle = agDev[devIdx];
5581 agDev[devIdx]->osData = (void*)pDevice;
5582
5583 pDevice->pPortalInfo = pPortalInfo;
5584 pDevice->portalId = pPortalInfo->portID;
5585 pPortalInfo->pDevList[lDevIndex] = (void*)pDevice;
5586 lDevFlags[lDevIndex] |= DPMC_LEANFLAG_PDEVSUSED; // mark pDevice slot used
5587 }
5588
5589 if ( (pCard->pDevList[devIdx].portalId == pPortalInfo->portID) &&
5590 !(lDevFlags[devIdx] & DPMC_LEANFLAG_PDEVSUSED) ) // pDevice not used
5591 {
5592 pDevice = &pCard->pDevList[devIdx];
5593 //pDevice->flags &= ~ACTIVE;
5594 if ( ( pDevice->pDevHandle != NULL ||
5595 pPortalInfo->pDevList[devIdx] != NULL ) )
5596 {
5597 atomic_add_16( &pCard->rmChkCt, 1 ); // show count of lost device
5598
5599 if (FALSE == lRunScanFlag)
5600 {
5601
5602 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: targ dropped out %d of %d/%d\n",
5603 devIdx, devTotal, pPortalInfo->portID );
5604 // if ( 0 == pWWNList[devIdx].devRemoved ) '.devRemoved = 5;
5605 cmpsetRtn = atomic_cmpset_32( &pWWNList[devIdx].devRemoved, 0, 5 );
5606 if ( 0 == cmpsetRtn )
5607 {
5608 AGTIAPI_PRINTK( "agtiapi_GetDevHandle: target %d timer already set\n",
5609 devIdx );
5610 }
5611 else
5612 {
5613 callout_reset( &pCard->devRmTimer, 1 * hz, agtiapi_devRmCheck, pCard );
5614 }
5615 }
5616 // else ... scan coming soon enough anyway, ignore timer for dropout
5617 }
5618 }
5619 } // end of for ( devIdx = 0; ...
5620
5621 AG_LIST_UNLOCK( &pCard->devListLock );
5622
5623 free((caddr_t)lDevFlags, M_PMC_MFLG);
5624 free((caddr_t)agDev, M_PMC_MDEV);
5625
5626 if ( TRUE == lRunScanFlag )
5627 agtiapi_clrRmScan( pCard );
5628
5629 return devTotal;
5630 } // end agtiapi_GetDevHandle
5631
5632 /******************************************************************************
5633 agtiapi_scan()
5634
5635 Purpose:
5636 Triggers CAM's scan
5637 Parameters:
5638 struct agtiapi_softc *pCard (IN) Pointer to the HBA data structure
5639 Return:
5640 Note:
5641 ******************************************************************************/
agtiapi_scan(struct agtiapi_softc * pmcsc)5642 static void agtiapi_scan(struct agtiapi_softc *pmcsc)
5643 {
5644 union ccb *ccb;
5645 int bus, tid, lun;
5646
5647 AGTIAPI_PRINTK("agtiapi_scan: start cardNO %d \n", pmcsc->cardNo);
5648
5649 bus = cam_sim_path(pmcsc->sim);
5650
5651 tid = CAM_TARGET_WILDCARD;
5652 lun = CAM_LUN_WILDCARD;
5653
5654 mtx_lock(&(pmcsc->pCardInfo->pmIOLock));
5655 ccb = xpt_alloc_ccb_nowait();
5656 if (ccb == agNULL)
5657 {
5658 mtx_unlock(&(pmcsc->pCardInfo->pmIOLock));
5659 return;
5660 }
5661 if (xpt_create_path(&ccb->ccb_h.path, agNULL, bus, tid,
5662 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
5663 {
5664 mtx_unlock(&(pmcsc->pCardInfo->pmIOLock));
5665 xpt_free_ccb(ccb);
5666 return;
5667 }
5668
5669 mtx_unlock(&(pmcsc->pCardInfo->pmIOLock));
5670 pmcsc->dev_scan = agTRUE;
5671 xpt_rescan(ccb);
5672 return;
5673 }
5674
5675 /******************************************************************************
5676 agtiapi_DeQueueCCB()
5677
5678 Purpose:
5679 Remove a ccb from a queue
5680 Parameters:
5681 struct agtiapi_softc *pCard (IN) Pointer to the card structure
5682 pccb_t *phead (IN) Pointer to a head of ccb queue
5683 ccb_t *pccd (IN) Pointer to the ccb to be processed
5684 Return:
5685 AGTIAPI_SUCCESS - the ccb is removed from queue
5686 AGTIAPI_FAIL - the ccb is not found from queue
5687 Note:
5688 ******************************************************************************/
5689 STATIC agBOOLEAN
agtiapi_DeQueueCCB(struct agtiapi_softc * pCard,pccb_t * phead,pccb_t * ptail,struct mtx * lock,ccb_t * pccb)5690 agtiapi_DeQueueCCB(struct agtiapi_softc *pCard, pccb_t *phead, pccb_t *ptail,
5691 #ifdef AGTIAPI_LOCAL_LOCK
5692 struct mtx *lock,
5693 #endif
5694 ccb_t *pccb)
5695 {
5696 ccb_t *pccb_curr;
5697 U32 status = AGTIAPI_FAIL;
5698
5699 AGTIAPI_PRINTK("agtiapi_DeQueueCCB: %p from %p\n", pccb, phead);
5700
5701 if (pccb == NULL || *phead == NULL)
5702 {
5703 return AGTIAPI_FAIL;
5704 }
5705
5706 AGTIAPI_PRINTK("agtiapi_DeQueueCCB: %p from %p\n", pccb, phead);
5707 AG_LOCAL_LOCK(lock);
5708
5709 if (pccb == *phead)
5710 {
5711 *phead = (*phead)->pccbNext;
5712 if (pccb == *ptail)
5713 {
5714 *ptail = NULL;
5715 }
5716 else
5717 pccb->pccbNext = NULL;
5718 status = AGTIAPI_SUCCESS;
5719 }
5720 else
5721 {
5722 pccb_curr = *phead;
5723 while (pccb_curr->pccbNext != NULL)
5724 {
5725 if (pccb_curr->pccbNext == pccb)
5726 {
5727 pccb_curr->pccbNext = pccb->pccbNext;
5728 pccb->pccbNext = NULL;
5729 if (pccb == *ptail)
5730 {
5731 *ptail = pccb_curr;
5732 }
5733 else
5734 pccb->pccbNext = NULL;
5735 status = AGTIAPI_SUCCESS;
5736 break;
5737 }
5738 pccb_curr = pccb_curr->pccbNext;
5739 }
5740 }
5741 AG_LOCAL_UNLOCK(lock);
5742
5743 return status;
5744 }
5745
5746
wwnprintk(unsigned char * name,int len)5747 STATIC void wwnprintk( unsigned char *name, int len )
5748 {
5749 int i;
5750
5751 for (i = 0; i < len; i++, name++)
5752 AGTIAPI_PRINTK("%02x", *name);
5753 AGTIAPI_PRINTK("\n");
5754 }
5755 /*
5756 * SAS and SATA behind expander has 8 byte long unique address.
5757 * However, direct connect SATA device use 512 byte unique device id.
5758 * SPC uses remoteName to indicate length of ID and remoteAddress for the
5759 * address of memory that holding ID.
5760 */
wwncpy(ag_device_t * pDevice)5761 STATIC int wwncpy( ag_device_t *pDevice )
5762 {
5763 int rc = 0;
5764
5765 if (sizeof(pDevice->targetName) >= pDevice->devInfo.osAddress1 +
5766 pDevice->devInfo.osAddress2)
5767 {
5768 memcpy(pDevice->targetName,
5769 pDevice->devInfo.remoteName,
5770 pDevice->devInfo.osAddress1);
5771 memcpy(pDevice->targetName + pDevice->devInfo.osAddress1,
5772 pDevice->devInfo.remoteAddress,
5773 pDevice->devInfo.osAddress2);
5774 pDevice->targetLen = pDevice->devInfo.osAddress1 +
5775 pDevice->devInfo.osAddress2;
5776 rc = pDevice->targetLen;
5777 }
5778 else
5779 {
5780 AGTIAPI_PRINTK("WWN wrong size: %d + %d ERROR\n",
5781 pDevice->devInfo.osAddress1, pDevice->devInfo.osAddress2);
5782 rc = -1;
5783 }
5784 return rc;
5785 }
5786
5787
5788 /******************************************************************************
5789 agtiapi_ReleaseCCBs()
5790
5791 Purpose:
5792 Free all allocated CCB memories for the Host Adapter.
5793 Parameters:
5794 struct agtiapi_softc *pCard (IN) Pointer to HBA data structure
5795 Return:
5796 Note:
5797 ******************************************************************************/
agtiapi_ReleaseCCBs(struct agtiapi_softc * pCard)5798 STATIC void agtiapi_ReleaseCCBs( struct agtiapi_softc *pCard )
5799 {
5800
5801 ccb_hdr_t *hdr;
5802 U32 hdr_sz;
5803 ccb_t *pccb = NULL;
5804
5805 AGTIAPI_PRINTK( "agtiapi_ReleaseCCBs: start\n" );
5806
5807 #if ( defined AGTIAPI_TEST_DPL || defined AGTIAPI_TEST_EPL )
5808 ccb_t *pccb;
5809 #endif
5810
5811 #ifdef AGTIAPI_TEST_DPL
5812 for (pccb = (pccb_t)pCard->ccbChainList; pccb != NULL;
5813 pccb = pccb->pccbChainNext)
5814 {
5815 if(pccb->dplPtr && pccb->dplDma)
5816 pci_pool_free(pCard->dpl_ctx_pool, pccb->dplPtr, pccb->dplDma);
5817 }
5818 #endif
5819
5820 #ifdef AGTIAPI_TEST_EPL
5821 for (pccb = (pccb_t)pCard->ccbChainList; pccb != NULL;
5822 pccb = pccb->pccbChainNext)
5823 {
5824 if(pccb->epl_ptr && pccb->epl_dma_ptr)
5825 pci_pool_free(
5826 pCard->epl_ctx_pool,
5827 pccb->epl_ptr,
5828 pccb->epl_dma_ptr
5829 );
5830 }
5831 #endif
5832
5833 while ((hdr = pCard->ccbAllocList) != NULL)
5834 {
5835 pCard->ccbAllocList = hdr->next;
5836 hdr_sz = roundup2(sizeof(*hdr), cache_line_size());
5837 pccb = (ccb_t*) ((char*)hdr + hdr_sz);
5838 if (pCard->buffer_dmat != NULL && pccb->CCB_dmamap != NULL)
5839 {
5840 bus_dmamap_destroy(pCard->buffer_dmat, pccb->CCB_dmamap);
5841 }
5842 free(hdr, M_PMC_MCCB);
5843 }
5844 pCard->ccbAllocList = NULL;
5845
5846
5847 return;
5848 }
5849
5850 /******************************************************************************
5851 agtiapi_TITimer()
5852
5853 Purpose:
5854 Timer tick for tisa common layer
5855 Parameters:
5856 void *data (IN) Pointer to the HBA data structure
5857 Return:
5858 Note:
5859 ******************************************************************************/
agtiapi_TITimer(void * data)5860 STATIC void agtiapi_TITimer( void *data )
5861 {
5862
5863 U32 next_tick;
5864 struct agtiapi_softc *pCard;
5865
5866 pCard = (struct agtiapi_softc *)data;
5867
5868 // AGTIAPI_PRINTK("agtiapi_TITimer: start\n");
5869 AG_GLOBAL_ARG( flags );
5870
5871 next_tick = pCard->pCardInfo->tiRscInfo.tiLoLevelResource.
5872 loLevelOption.usecsPerTick / USEC_PER_TICK;
5873
5874 if( next_tick == 0 ) /* no timer required */
5875 return;
5876 AG_SPIN_LOCK_IRQ( agtiapi_host_lock, flags );
5877 if( pCard->flags & AGTIAPI_SHUT_DOWN )
5878 goto ext;
5879 tiCOMTimerTick( &pCard->tiRoot ); /* tisa common layer timer tick */
5880
5881 //add for polling mode
5882 #ifdef PMC_SPC
5883 if( agtiapi_polling_mode )
5884 agtiapi_CheckAllVectors( pCard, tiNonInterruptContext );
5885 #endif
5886 callout_reset( &pCard->OS_timer, next_tick, agtiapi_TITimer, pCard );
5887 ext:
5888 AG_SPIN_UNLOCK_IRQ( agtiapi_host_lock, flags );
5889 return;
5890 }
5891
5892 /******************************************************************************
5893 agtiapi_clrRmScan()
5894
5895 Purpose:
5896 Clears device list entries scheduled for timeout and calls scan
5897 Parameters:
5898 struct agtiapi_softc *pCard (IN) Pointer to HBA data structure
5899 ******************************************************************************/
agtiapi_clrRmScan(struct agtiapi_softc * pCard)5900 STATIC void agtiapi_clrRmScan( struct agtiapi_softc *pCard )
5901 {
5902 ag_tgt_map_t *pWWNList;
5903 ag_portal_info_t *pPortalInfo;
5904 ag_portal_data_t *pPortalData;
5905 int lIdx;
5906 bit32 lReadRm;
5907 bit16 lReadCt;
5908
5909 pWWNList = pCard->pWWNList;
5910
5911 AGTIAPI_PRINTK( "agtiapi_clrRmScan: start\n" );
5912
5913 AG_LIST_LOCK( &pCard->devListLock );
5914
5915 for ( lIdx = 0; lIdx < pCard->devDiscover; lIdx++ )
5916 {
5917 lReadCt = atomic_load_acq_16( &pCard->rmChkCt );
5918 if ( 0 == lReadCt )
5919 {
5920 break; // trim to who cares
5921 }
5922
5923 lReadRm = atomic_readandclear_32( &pWWNList[lIdx].devRemoved );
5924 if ( lReadRm > 0 )
5925 {
5926 pCard->pDevList[lIdx].flags &= ~ACTIVE;
5927 pCard->pDevList[lIdx].pDevHandle = NULL;
5928
5929 pPortalData = &pCard->pPortalData[pWWNList[lIdx].portId];
5930 pPortalInfo = &pPortalData->portalInfo;
5931 pPortalInfo->pDevList[lIdx] = NULL;
5932 AGTIAPI_PRINTK( "agtiapi_clrRmScan: cleared dev %d at port %d\n",
5933 lIdx, pWWNList[lIdx].portId );
5934 atomic_subtract_16( &pCard->rmChkCt, 1 );
5935 }
5936 }
5937 AG_LIST_UNLOCK( &pCard->devListLock );
5938
5939 agtiapi_scan( pCard );
5940 }
5941
5942
5943 /******************************************************************************
5944 agtiapi_devRmCheck()
5945
5946 Purpose:
5947 Timer tick to check for timeout on missing targets
5948 Removes device list entry when timeout is reached
5949 Parameters:
5950 void *data (IN) Pointer to the HBA data structure
5951 ******************************************************************************/
agtiapi_devRmCheck(void * data)5952 STATIC void agtiapi_devRmCheck( void *data )
5953 {
5954 struct agtiapi_softc *pCard;
5955 ag_tgt_map_t *pWWNList;
5956 int lIdx, cmpsetRtn, lRunScanFlag = FALSE;
5957 bit16 lReadCt;
5958 bit32 lReadRm;
5959
5960 pCard = ( struct agtiapi_softc * )data;
5961
5962 // routine overhead
5963 if ( callout_pending( &pCard->devRmTimer ) ) // callout was reset
5964 {
5965 return;
5966 }
5967 if ( !callout_active( &pCard->devRmTimer ) ) // callout was stopped
5968 {
5969 return;
5970 }
5971 callout_deactivate( &pCard->devRmTimer );
5972
5973 if( pCard->flags & AGTIAPI_SHUT_DOWN )
5974 {
5975 return; // implicit timer clear
5976 }
5977
5978 pWWNList = pCard->pWWNList;
5979
5980 AG_LIST_LOCK( &pCard->devListLock );
5981 lReadCt = atomic_load_acq_16( &pCard->rmChkCt );
5982 if ( lReadCt )
5983 {
5984 if ( callout_pending(&pCard->devRmTimer) == FALSE )
5985 {
5986 callout_reset( &pCard->devRmTimer, 1 * hz, agtiapi_devRmCheck, pCard );
5987 }
5988 else
5989 {
5990 AG_LIST_UNLOCK( &pCard->devListLock );
5991 return;
5992 }
5993
5994 for ( lIdx = 0; lIdx < pCard->devDiscover; lIdx++ )
5995 {
5996 lReadCt = atomic_load_acq_16( &pCard->rmChkCt );
5997 if ( 0 == lReadCt )
5998 {
5999 break; // if handled somewhere else, get out
6000 }
6001
6002 lReadRm = atomic_load_acq_32( &pWWNList[lIdx].devRemoved );
6003 if ( lReadRm > 0 )
6004 {
6005 if ( 1 == lReadRm ) // timed out
6006 { // no decrement of devRemoved as way to leave a clrRmScan marker
6007 lRunScanFlag = TRUE; // other devRemoved values are about to get wiped
6008 break; // ... so bail out
6009 }
6010 else
6011 {
6012 AGTIAPI_PRINTK( "agtiapi_devRmCheck: counting down dev %d @ %d; %d\n",
6013 lIdx, lReadRm, lReadCt );
6014 cmpsetRtn = atomic_cmpset_32( &pWWNList[lIdx].devRemoved,
6015 lReadRm,
6016 lReadRm-1 );
6017 if ( 0 == cmpsetRtn )
6018 {
6019 printf( "agtiapi_devRmCheck: %d decrement already handled\n",
6020 lIdx );
6021 }
6022 }
6023 }
6024 }
6025 AG_LIST_UNLOCK( &pCard->devListLock );
6026
6027 if ( TRUE == lRunScanFlag )
6028 agtiapi_clrRmScan( pCard );
6029 }
6030 else
6031 {
6032 AG_LIST_UNLOCK( &pCard->devListLock );
6033 }
6034
6035 return;
6036 }
6037
6038
agtiapi_cam_poll(struct cam_sim * asim)6039 static void agtiapi_cam_poll( struct cam_sim *asim )
6040 {
6041 return;
6042 }
6043
6044 /*****************************************************************************
6045 agtiapi_ResetCard()
6046
6047 Purpose:
6048 Hard or soft reset on the controller and resend any
6049 outstanding requests if needed.
6050 Parameters:
6051 struct agtiapi_softc *pCard (IN) Pointer to HBA data structure
6052 unsigned lomg flags (IN/OUT) Flags used in locking done from calling layers
6053 Return:
6054 AGTIAPI_SUCCESS - reset successful
6055 AGTIAPI_FAIL - reset failed
6056 Note:
6057 *****************************************************************************/
agtiapi_ResetCard(struct agtiapi_softc * pCard,unsigned long * flags)6058 U32 agtiapi_ResetCard( struct agtiapi_softc *pCard, unsigned long *flags )
6059 {
6060 ag_device_t *pDevice;
6061 U32 lIdx = 0;
6062 U32 lFlagVal;
6063 agBOOLEAN ret;
6064 ag_portal_info_t *pPortalInfo;
6065 ag_portal_data_t *pPortalData;
6066 U32 count, loop;
6067 int szdv;
6068
6069 if( pCard->flags & AGTIAPI_RESET ) {
6070 AGTIAPI_PRINTK( "agtiapi_ResetCard: reset card already in progress!\n" );
6071 return AGTIAPI_FAIL;
6072 }
6073
6074 AGTIAPI_PRINTK( "agtiapi_ResetCard: Enter cnt %d\n",
6075 pCard->resetCount );
6076 #ifdef LOGEVENT
6077 agtiapi_LogEvent( pCard,
6078 IOCTL_EVT_SEV_INFORMATIONAL,
6079 0,
6080 agNULL,
6081 0,
6082 "Reset initiator time = %d!",
6083 pCard->resetCount + 1 );
6084 #endif
6085
6086 pCard->flags |= AGTIAPI_RESET;
6087 pCard->flags &= ~(AGTIAPI_CB_DONE | AGTIAPI_RESET_SUCCESS);
6088 tiCOMSystemInterruptsActive( &pCard->tiRoot, FALSE );
6089 pCard->flags &= ~AGTIAPI_SYS_INTR_ON;
6090
6091 agtiapi_FlushCCBs( pCard, AGTIAPI_CALLBACK );
6092
6093 for ( lIdx = 1; 3 >= lIdx; lIdx++ ) // we try reset up to 3 times
6094 {
6095 if( pCard->flags & AGTIAPI_SOFT_RESET )
6096 {
6097 AGTIAPI_PRINTK( "agtiapi_ResetCard: soft variant\n" );
6098 tiCOMReset( &pCard->tiRoot, tiSoftReset );
6099 }
6100 else
6101 {
6102 AGTIAPI_PRINTK( "agtiapi_ResetCard: no flag, no reset!\n" );
6103 }
6104
6105 lFlagVal = AGTIAPI_RESET_SUCCESS;
6106 AG_SPIN_UNLOCK_IRQ( agtiapi_host_lock, *flags );
6107 ret = agtiapi_CheckCB( pCard, 50000, lFlagVal, &pCard->flags );
6108 AG_SPIN_LOCK_IRQ( agtiapi_host_lock, *flags );
6109
6110 if( ret == AGTIAPI_FAIL )
6111 {
6112 AGTIAPI_PRINTK( "agtiapi_ResetCard: CheckCB indicates failed reset call, "
6113 "try again?\n" );
6114 }
6115 else
6116 {
6117 break;
6118 }
6119 }
6120 if ( 1 < lIdx )
6121 {
6122 if ( AGTIAPI_FAIL == ret )
6123 {
6124 AGTIAPI_PRINTK( "agtiapi_ResetCard: soft reset failed after try %d\n",
6125 lIdx );
6126 }
6127 else
6128 {
6129 AGTIAPI_PRINTK( "agtiapi_ResetCard: soft reset success at try %d\n",
6130 lIdx );
6131 }
6132 }
6133 if( AGTIAPI_FAIL == ret )
6134 {
6135 printf( "agtiapi_ResetCard: reset ERROR\n" );
6136 pCard->flags &= ~AGTIAPI_INSTALLED;
6137 return AGTIAPI_FAIL;
6138 }
6139
6140 pCard->flags &= ~AGTIAPI_SOFT_RESET;
6141
6142 // disable all devices
6143 pDevice = pCard->pDevList;
6144 for( lIdx = 0; lIdx < maxTargets; lIdx++, pDevice++ )
6145 {
6146 /* if ( pDevice->flags & ACTIVE )
6147 {
6148 printf( "agtiapi_ResetCard: before ... active device %d\n", lIdx );
6149 } */
6150 pDevice->flags &= ~ACTIVE;
6151 }
6152
6153 AG_SPIN_UNLOCK_IRQ( agtiapi_host_lock, *flags );
6154 if( tiCOMPortInit( &pCard->tiRoot, agFALSE ) != tiSuccess )
6155 printf( "agtiapi_ResetCard: tiCOMPortInit FAILED \n" );
6156 else
6157 AGTIAPI_PRINTK( "agtiapi_ResetCard: tiCOMPortInit success\n" );
6158
6159 if( !pCard->pDevList ) { // try to get a little sanity here
6160 AGTIAPI_PRINTK( "agtiapi_ResetCard: no pDevList ERROR %p\n",
6161 pCard->pDevList );
6162 return AGTIAPI_FAIL;
6163 }
6164
6165 AGTIAPI_PRINTK( "agtiapi_ResetCard: pre target-count %d port-count %d\n",
6166 pCard->tgtCount, pCard->portCount );
6167 pCard->tgtCount = 0;
6168
6169 DELAY( 500000 );
6170
6171 pCard->flags &= ~AGTIAPI_CB_DONE;
6172
6173 pPortalData = pCard->pPortalData;
6174
6175 for( count = 0; count < pCard->portCount; count++ ) {
6176 AG_SPIN_LOCK_IRQ( agtiapi_host_lock, flags );
6177 pPortalInfo = &pPortalData->portalInfo;
6178 pPortalInfo->portStatus = 0;
6179 pPortalInfo->portStatus &= ~( AGTIAPI_PORT_START |
6180 AGTIAPI_PORT_DISC_READY |
6181 AGTIAPI_DISC_DONE |
6182 AGTIAPI_DISC_COMPLETE );
6183
6184 szdv =
6185 sizeof( pPortalInfo->pDevList ) / sizeof( pPortalInfo->pDevList[0] );
6186 if (szdv > pCard->devDiscover)
6187 {
6188 szdv = pCard->devDiscover;
6189 }
6190
6191 for( lIdx = 0, loop = 0;
6192 lIdx < szdv && loop < pPortalInfo->devTotal;
6193 lIdx++ )
6194 {
6195 pDevice = (ag_device_t*)pPortalInfo->pDevList[lIdx];
6196 if( pDevice )
6197 {
6198 loop++;
6199 pDevice->pDevHandle = 0; // mark for availability in pCard->pDevList[]
6200 // don't erase more as the device is scheduled for removal on DPC
6201 }
6202 AGTIAPI_PRINTK( "agtiapi_ResetCard: reset pDev %p pDevList %p idx %d\n",
6203 pDevice, pPortalInfo->pDevList, lIdx );
6204 pPortalInfo->devTotal = pPortalInfo->devPrev = 0;
6205 }
6206
6207 for( lIdx = 0; lIdx < maxTargets; lIdx++ )
6208 { // we reconstruct dev list later in get dev handle
6209 pPortalInfo->pDevList[lIdx] = NULL;
6210 }
6211
6212 for( loop = 0; loop < AGTIAPI_LOOP_MAX; loop++ )
6213 {
6214 AGTIAPI_PRINTK( "agtiapi_ResetCard: tiCOMPortStart entry data "
6215 "%p / %d / %p\n",
6216 &pCard->tiRoot,
6217 pPortalInfo->portID,
6218 &pPortalInfo->tiPortalContext );
6219
6220 if( tiCOMPortStart( &pCard->tiRoot,
6221 pPortalInfo->portID,
6222 &pPortalInfo->tiPortalContext,
6223 0 )
6224 != tiSuccess )
6225 {
6226 printf( "agtiapi_ResetCard: tiCOMPortStart %d FAILED\n",
6227 pPortalInfo->portID );
6228 }
6229 else
6230 {
6231 AGTIAPI_PRINTK( "agtiapi_ResetCard: tiCOMPortStart %d success\n",
6232 pPortalInfo->portID );
6233 break;
6234 }
6235 }
6236 AG_SPIN_UNLOCK_IRQ( agtiapi_host_lock, flags );
6237 tiCOMGetPortInfo( &pCard->tiRoot,
6238 &pPortalInfo->tiPortalContext,
6239 &pPortalInfo->tiPortInfo );
6240 pPortalData++;
6241 }
6242 // ## fail case: pCard->flags &= ~AGTIAPI_INSTALLED;
6243
6244
6245 AG_SPIN_LOCK_IRQ(agtiapi_host_lock, *flags);
6246
6247 if( !(pCard->flags & AGTIAPI_INSTALLED) ) // driver not installed !
6248 {
6249 printf( "agtiapi_ResetCard: error, driver not intstalled? "
6250 "!AGTIAPI_INSTALLED \n" );
6251 return AGTIAPI_FAIL;
6252 }
6253
6254 AGTIAPI_PRINTK( "agtiapi_ResetCard: total device %d\n", pCard->tgtCount );
6255
6256 #ifdef LOGEVENT
6257 agtiapi_LogEvent( pCard,
6258 IOCTL_EVT_SEV_INFORMATIONAL,
6259 0,
6260 agNULL,
6261 0,
6262 "Reset initiator total device = %d!",
6263 pCard->tgtCount );
6264 #endif
6265 pCard->resetCount++;
6266
6267 AGTIAPI_PRINTK( "agtiapi_ResetCard: clear send and done queues\n" );
6268 // clear send & done queue
6269 AG_LOCAL_LOCK( &pCard->sendLock );
6270 pCard->ccbSendHead = NULL;
6271 pCard->ccbSendTail = NULL;
6272 AG_LOCAL_UNLOCK( &pCard->sendLock );
6273
6274 AG_LOCAL_LOCK( &pCard->doneLock );
6275 pCard->ccbDoneHead = NULL;
6276 pCard->ccbDoneTail = NULL;
6277 AG_LOCAL_UNLOCK( &pCard->doneLock );
6278
6279 // clear smp queues also
6280 AG_LOCAL_LOCK( &pCard->sendSMPLock );
6281 pCard->smpSendHead = NULL;
6282 pCard->smpSendTail = NULL;
6283 AG_LOCAL_UNLOCK( &pCard->sendSMPLock );
6284
6285 AG_LOCAL_LOCK( &pCard->doneSMPLock );
6286 pCard->smpDoneHead = NULL;
6287 pCard->smpDoneTail = NULL;
6288 AG_LOCAL_UNLOCK( &pCard->doneSMPLock );
6289
6290 // finished with all reset stuff, now start things back up
6291 tiCOMSystemInterruptsActive( &pCard->tiRoot, TRUE );
6292 pCard->flags |= AGTIAPI_SYS_INTR_ON;
6293 pCard->flags |= AGTIAPI_HAD_RESET;
6294 pCard->flags &= ~AGTIAPI_RESET; // ##
6295 agtiapi_StartIO( pCard );
6296 AGTIAPI_PRINTK( "agtiapi_ResetCard: local return success\n" );
6297 return AGTIAPI_SUCCESS;
6298 } // agtiapi_ResetCard
6299
6300
6301 /******************************************************************************
6302 agtiapi_ReleaseHBA()
6303
6304 Purpose:
6305 Releases all resources previously acquired to support
6306 a specific Host Adapter, including the I/O Address range,
6307 and unregisters the agtiapi Host Adapter.
6308 Parameters:
6309 device_t dev (IN) - device pointer
6310 Return:
6311 always return 0 - success
6312 Note:
6313 ******************************************************************************/
agtiapi_ReleaseHBA(device_t dev)6314 int agtiapi_ReleaseHBA( device_t dev )
6315 {
6316
6317 int thisCard = device_get_unit( dev ); // keeping get_unit call to once
6318 int i;
6319 ag_card_info_t *thisCardInst = &agCardInfoList[ thisCard ];
6320 struct ccb_setasync csa;
6321 struct agtiapi_softc *pCard;
6322 pCard = device_get_softc( dev );
6323 ag_card_info_t *pCardInfo = pCard->pCardInfo;
6324 ag_resource_info_t *pRscInfo = &thisCardInst->tiRscInfo;
6325
6326 AG_GLOBAL_ARG(flags);
6327
6328 AGTIAPI_PRINTK( "agtiapi_ReleaseHBA: start\n" );
6329
6330 if (thisCardInst != pCardInfo)
6331 {
6332 AGTIAPI_PRINTK( "agtiapi_ReleaseHBA: Wrong ag_card_info_t thisCardInst %p "
6333 "pCardInfo %p\n",
6334 thisCardInst,
6335 pCardInfo );
6336 panic( "agtiapi_ReleaseHBA: Wrong ag_card_info_t thisCardInst %p pCardInfo "
6337 "%p\n",
6338 thisCardInst,
6339 pCardInfo );
6340 return( EIO );
6341 }
6342
6343
6344 AGTIAPI_PRINTK( "agtiapi_ReleaseHBA card %p\n", pCard );
6345 pCard->flags |= AGTIAPI_SHUT_DOWN;
6346
6347
6348 // remove timer
6349 if (pCard->flags & AGTIAPI_TIMER_ON)
6350 {
6351 AG_SPIN_LOCK_IRQ( agtiapi_host_lock, flags );
6352 callout_drain( &pCard->OS_timer );
6353 callout_drain( &pCard->devRmTimer );
6354 callout_drain(&pCard->IO_timer);
6355 AG_SPIN_UNLOCK_IRQ( agtiapi_host_lock, flags );
6356 AGTIAPI_PRINTK( "agtiapi_ReleaseHBA: timer released\n" );
6357 }
6358
6359 #ifdef HIALEAH_ENCRYPTION
6360 //Release encryption table memory - Fix it
6361 //if(pCard->encrypt && (pCard->flags & AGTIAPI_INSTALLED))
6362 //agtiapi_CleanupEncryption(pCard);
6363 #endif
6364
6365 /*
6366 * Shutdown the channel so that chip gets frozen
6367 * and it does not do any more pci-bus accesses.
6368 */
6369 if (pCard->flags & AGTIAPI_SYS_INTR_ON)
6370 {
6371 tiCOMSystemInterruptsActive( &pCard->tiRoot, FALSE );
6372 pCard->flags &= ~AGTIAPI_SYS_INTR_ON;
6373 AGTIAPI_PRINTK( "agtiapi_ReleaseHBA: card interrupt off\n" );
6374 }
6375 if (pCard->flags & AGTIAPI_INSTALLED)
6376 {
6377 tiCOMShutDown( &pCard->tiRoot );
6378 AGTIAPI_PRINTK( "agtiapi_ReleaseHBA: low layers shutdown\n" );
6379 }
6380
6381 /*
6382 * first release IRQ, so that we do not get any more interrupts
6383 * from this host
6384 */
6385 if (pCard->flags & AGTIAPI_IRQ_REQUESTED)
6386 {
6387 if (!agtiapi_intx_mode)
6388 {
6389 int i;
6390 for (i = 0; i< MAX_MSIX_NUM_VECTOR; i++)
6391 {
6392 if (pCard->irq[i] != agNULL && pCard->rscID[i] != 0)
6393 {
6394 bus_teardown_intr(dev, pCard->irq[i], pCard->intrcookie[i]);
6395 bus_release_resource( dev,
6396 SYS_RES_IRQ,
6397 pCard->rscID[i],
6398 pCard->irq[i] );
6399 }
6400 }
6401 pci_release_msi(dev);
6402 }
6403 pCard->flags &= ~AGTIAPI_IRQ_REQUESTED;
6404
6405
6406
6407 #ifdef AGTIAPI_DPC
6408 for (i = 0; i < MAX_MSIX_NUM_DPC; i++)
6409 tasklet_kill(&pCard->tasklet_dpc[i]);
6410 #endif
6411 AGTIAPI_PRINTK("agtiapi_ReleaseHBA: IRQ released\n");
6412 }
6413
6414 // release memory vs. alloc in agtiapi_alloc_ostimem; used in ostiAllocMemory
6415 if( pCard->osti_busaddr != 0 ) {
6416 bus_dmamap_unload( pCard->osti_dmat, pCard->osti_mapp );
6417 }
6418 if( pCard->osti_mem != NULL ) {
6419 bus_dmamem_free( pCard->osti_dmat, pCard->osti_mem, pCard->osti_mapp );
6420 }
6421 if( pCard->osti_dmat != NULL ) {
6422 bus_dma_tag_destroy( pCard->osti_dmat );
6423 }
6424
6425 /* unmap the mapped PCI memory */
6426 /* calls bus_release_resource( ,SYS_RES_MEMORY, ..) */
6427 agtiapi_ReleasePCIMem(thisCardInst);
6428
6429 /* release all ccbs */
6430 if (pCard->ccbTotal)
6431 {
6432 //calls bus_dmamap_destroy() for all pccbs
6433 agtiapi_ReleaseCCBs(pCard);
6434 AGTIAPI_PRINTK("agtiapi_ReleaseHBA: CCB released\n");
6435 }
6436
6437 #ifdef HIALEAH_ENCRYPTION
6438 /*release encryption resources - Fix it*/
6439 if(pCard->encrypt)
6440 {
6441 /*Check that all IO's are completed */
6442 if(atomic_read (&outstanding_encrypted_io_count) > 0)
6443 {
6444 printf("%s: WARNING: %d outstanding encrypted IOs !\n", __FUNCTION__, atomic_read(&outstanding_encrypted_io_count));
6445 }
6446 //agtiapi_CleanupEncryptionPools(pCard);
6447 }
6448 #endif
6449
6450
6451 /* release device list */
6452 if( pCard->pDevList ) {
6453 free((caddr_t)pCard->pDevList, M_PMC_MDVT);
6454 pCard->pDevList = NULL;
6455 AGTIAPI_PRINTK("agtiapi_ReleaseHBA: device list released\n");
6456 }
6457 #ifdef LINUX_PERBI_SUPPORT // ## review use of PERBI
6458 AGTIAPI_PRINTK( "agtiapi_ReleaseHBA: WWN list %p \n", pCard->pWWNList );
6459 if( pCard->pWWNList ) {
6460 free( (caddr_t)pCard->pWWNList, M_PMC_MTGT );
6461 pCard->pWWNList = NULL;
6462 AGTIAPI_PRINTK("agtiapi_ReleaseHBA: WWN list released\n");
6463 }
6464 if( pCard->pSLRList ) {
6465 free( (caddr_t)pCard->pSLRList, M_PMC_MSLR );
6466 pCard->pSLRList = NULL;
6467 AGTIAPI_PRINTK("agtiapi_ReleaseHBA: SAS Local Remote list released\n");
6468 }
6469
6470 #endif
6471 if (pCard->pPortalData)
6472 {
6473 free((caddr_t)pCard->pPortalData, M_PMC_MPRT);
6474 pCard->pPortalData = NULL;
6475 AGTIAPI_PRINTK("agtiapi_ReleaseHBA: PortalData released\n");
6476 }
6477 //calls contigfree() or free()
6478 agtiapi_MemFree(pCardInfo);
6479 AGTIAPI_PRINTK("agtiapi_ReleaseHBA: low level resource released\n");
6480
6481 #ifdef HOTPLUG_SUPPORT
6482 if (pCard->flags & AGTIAPI_PORT_INITIALIZED)
6483 {
6484 // agtiapi_FreeDevWorkList(pCard);
6485 AGTIAPI_PRINTK("agtiapi_ReleaseHBA: (HP dev) work resources released\n");
6486 }
6487 #endif
6488
6489 /*
6490 * TBD, scsi_unregister may release wrong host data structure
6491 * which cause NULL pointer shows up.
6492 */
6493 if (pCard->flags & AGTIAPI_SCSI_REGISTERED)
6494 {
6495 pCard->flags &= ~AGTIAPI_SCSI_REGISTERED;
6496
6497
6498 #ifdef AGTIAPI_LOCAL_LOCK
6499 if (pCard->STLock)
6500 {
6501 //destroy mtx
6502 int maxLocks;
6503 maxLocks = pRscInfo->tiLoLevelResource.loLevelOption.numOfQueuesPerPort;
6504
6505 for( i = 0; i < maxLocks; i++ )
6506 {
6507 mtx_destroy(&pCard->STLock[i]);
6508 }
6509 free(pCard->STLock, M_PMC_MSTL);
6510 pCard->STLock = NULL;
6511 }
6512 #endif
6513
6514 }
6515 ag_card_good--;
6516
6517 /* reset agtiapi_1st_time if this is the only card */
6518 if (!ag_card_good && !agtiapi_1st_time)
6519 {
6520 agtiapi_1st_time = 1;
6521 }
6522
6523 /* for tiSgl_t memeory */
6524 if (pCard->tisgl_busaddr != 0)
6525 {
6526 bus_dmamap_unload(pCard->tisgl_dmat, pCard->tisgl_map);
6527 }
6528 if (pCard->tisgl_mem != NULL)
6529 {
6530 bus_dmamem_free(pCard->tisgl_dmat, pCard->tisgl_mem, pCard->tisgl_map);
6531 }
6532 if (pCard->tisgl_dmat != NULL)
6533 {
6534 bus_dma_tag_destroy(pCard->tisgl_dmat);
6535 }
6536
6537 if (pCard->buffer_dmat != agNULL)
6538 {
6539 bus_dma_tag_destroy(pCard->buffer_dmat);
6540 }
6541
6542 if (pCard->sim != NULL)
6543 {
6544 mtx_lock(&thisCardInst->pmIOLock);
6545 xpt_setup_ccb(&csa.ccb_h, pCard->path, 5);
6546 csa.ccb_h.func_code = XPT_SASYNC_CB;
6547 csa.event_enable = 0;
6548 csa.callback = agtiapi_async;
6549 csa.callback_arg = pCard;
6550 xpt_action((union ccb *)&csa);
6551 xpt_free_path(pCard->path);
6552 // if (pCard->ccbTotal == 0)
6553 if (pCard->ccbTotal <= thisCard)
6554 {
6555 /*
6556 no link up so that simq has not been released.
6557 In order to remove cam, we call this.
6558 */
6559 xpt_release_simq(pCard->sim, 1);
6560 }
6561 xpt_bus_deregister(cam_sim_path(pCard->sim));
6562 cam_sim_free(pCard->sim, FALSE);
6563 mtx_unlock(&thisCardInst->pmIOLock);
6564 }
6565 if (pCard->devq != NULL)
6566 {
6567 cam_simq_free(pCard->devq);
6568 }
6569
6570 //destroy mtx
6571 mtx_destroy( &thisCardInst->pmIOLock );
6572 mtx_destroy( &pCard->sendLock );
6573 mtx_destroy( &pCard->doneLock );
6574 mtx_destroy( &pCard->sendSMPLock );
6575 mtx_destroy( &pCard->doneSMPLock );
6576 mtx_destroy( &pCard->ccbLock );
6577 mtx_destroy( &pCard->devListLock );
6578 mtx_destroy( &pCard->OS_timer_lock );
6579 mtx_destroy( &pCard->devRmTimerLock );
6580 mtx_destroy( &pCard->memLock );
6581 mtx_destroy( &pCard->freezeLock );
6582
6583 destroy_dev( pCard->my_cdev );
6584 memset((void *)pCardInfo, 0, sizeof(ag_card_info_t));
6585 return 0;
6586 }
6587
6588
6589 // Called during system shutdown after sync
agtiapi_shutdown(device_t dev)6590 static int agtiapi_shutdown( device_t dev )
6591 {
6592 AGTIAPI_PRINTK( "agtiapi_shutdown\n" );
6593 return( 0 );
6594 }
6595
agtiapi_suspend(device_t dev)6596 static int agtiapi_suspend( device_t dev ) // Device suspend routine.
6597 {
6598 AGTIAPI_PRINTK( "agtiapi_suspend\n" );
6599 return( 0 );
6600 }
6601
agtiapi_resume(device_t dev)6602 static int agtiapi_resume( device_t dev ) // Device resume routine.
6603 {
6604 AGTIAPI_PRINTK( "agtiapi_resume\n" );
6605 return( 0 );
6606 }
6607
6608 static device_method_t agtiapi_methods[] = { // Device interface
6609 DEVMETHOD( device_probe, agtiapi_probe ),
6610 DEVMETHOD( device_attach, agtiapi_attach ),
6611 DEVMETHOD( device_detach, agtiapi_ReleaseHBA ),
6612 DEVMETHOD( device_shutdown, agtiapi_shutdown ),
6613 DEVMETHOD( device_suspend, agtiapi_suspend ),
6614 DEVMETHOD( device_resume, agtiapi_resume ),
6615 { 0, 0 }
6616 };
6617
6618 static devclass_t pmspcv_devclass;
6619
6620 static driver_t pmspcv_driver = {
6621 "pmspcv",
6622 agtiapi_methods,
6623 sizeof( struct agtiapi_softc )
6624 };
6625
6626 DRIVER_MODULE( pmspcv, pci, pmspcv_driver, pmspcv_devclass, 0, 0 );
6627 MODULE_DEPEND( pmspcv, cam, 1, 1, 1 );
6628 MODULE_DEPEND( pmspcv, pci, 1, 1, 1 );
6629
6630 #include <dev/pms/freebsd/driver/common/lxosapi.c>
6631 #include <dev/pms/freebsd/driver/ini/src/osapi.c>
6632 #include <dev/pms/freebsd/driver/common/lxutil.c>
6633 #include <dev/pms/freebsd/driver/common/lxencrypt.c>
6634
6635
6636