5  * Copyright (C) 2012-2014  LSI Corporation
6  * Copyright (C) 2013-2014 Avago Technologies
7  *  (mailto: MPT-FusionLinux.pdl@avagotech.com)
22  * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
41  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
74  * struct config_request - obtain dma memory via routine
87  * _config_display_some_debug - debug routine
105 	switch (mpi_request->Header.PageType & MPI2_CONFIG_PAGETYPE_MASK) {  in _config_display_some_debug()
125 		switch (mpi_request->ExtPageType) {  in _config_display_some_debug()
177 		 mpi_request->Header.PageNumber, mpi_request->Action,  in _config_display_some_debug()
178 		 le32_to_cpu(mpi_request->PageAddress), smid);  in _config_display_some_debug()
183 	if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo)  in _config_display_some_debug()
185 			 le16_to_cpu(mpi_reply->IOCStatus),  in _config_display_some_debug()
186 			 le32_to_cpu(mpi_reply->IOCLogInfo));  in _config_display_some_debug()
190  * _config_alloc_config_dma_memory - obtain physical memory
194  * A wrapper for obtaining dma-able memory for config page request.
196  * Return: 0 for success, non-zero for failure.
204 	if (mem->sz > ioc->config_page_sz) {  in _config_alloc_config_dma_memory()
205 		mem->page = dma_alloc_coherent(&ioc->pdev->dev, mem->sz,  in _config_alloc_config_dma_memory()
206 		    &mem->page_dma, GFP_KERNEL);  in _config_alloc_config_dma_memory()
207 		if (!mem->page) {  in _config_alloc_config_dma_memory()
209 				__func__, mem->sz);  in _config_alloc_config_dma_memory()
210 			r = -ENOMEM;  in _config_alloc_config_dma_memory()
213 		mem->page = ioc->config_page;  in _config_alloc_config_dma_memory()
214 		mem->page_dma = ioc->config_page_dma;  in _config_alloc_config_dma_memory()
216 	ioc->config_vaddr = mem->page;  in _config_alloc_config_dma_memory()
221  * _config_free_config_dma_memory - wrapper to free the memory
225  * A wrapper to free dma-able memory when using _config_alloc_config_dma_memory.
227  * Return: 0 for success, non-zero for failure.
233 	if (mem->sz > ioc->config_page_sz)  in _config_free_config_dma_memory()
234 		dma_free_coherent(&ioc->pdev->dev, mem->sz, mem->page,  in _config_free_config_dma_memory()
235 		    mem->page_dma);  in _config_free_config_dma_memory()
239  * mpt3sas_config_done - config page completion routine
257 	if (ioc->config_cmds.status == MPT3_CMD_NOT_USED)  in mpt3sas_config_done()
259 	if (ioc->config_cmds.smid != smid)  in mpt3sas_config_done()
261 	ioc->config_cmds.status |= MPT3_CMD_COMPLETE;  in mpt3sas_config_done()
264 		ioc->config_cmds.status |= MPT3_CMD_REPLY_VALID;  in mpt3sas_config_done()
265 		memcpy(ioc->config_cmds.reply, mpi_reply,  in mpt3sas_config_done()
266 		    mpi_reply->MsgLength*4);  in mpt3sas_config_done()
268 	ioc->config_cmds.status &= ~MPT3_CMD_PENDING;  in mpt3sas_config_done()
269 	if (ioc->logging_level & MPT_DEBUG_CONFIG)  in mpt3sas_config_done()
271 	ioc->config_cmds.smid = USHRT_MAX;  in mpt3sas_config_done()
272 	complete(&ioc->config_cmds.done);  in mpt3sas_config_done()
277  * _config_request - main routine for sending config page requests
288  * The ioc->config_cmds.status flag should be MPT3_CMD_NOT_USED before calling
291  * The callback index is set inside `ioc->config_cb_idx.
293  * Return: 0 for success, non-zero for failure.
307 	mutex_lock(&ioc->config_cmds.mutex);  in _config_request()
308 	if (ioc->config_cmds.status != MPT3_CMD_NOT_USED) {  in _config_request()
310 		mutex_unlock(&ioc->config_cmds.mutex);  in _config_request()
311 		return -EAGAIN;  in _config_request()
317 	mpi_request->VF_ID = 0; /* TODO */  in _config_request()
318 	mpi_request->VP_ID = 0;  in _config_request()
321 		mpi_request->Header.PageVersion = mpi_reply->Header.PageVersion;  in _config_request()
322 		mpi_request->Header.PageNumber = mpi_reply->Header.PageNumber;  in _config_request()
323 		mpi_request->Header.PageType = mpi_reply->Header.PageType;  in _config_request()
324 		mpi_request->Header.PageLength = mpi_reply->Header.PageLength;  in _config_request()
325 		mpi_request->ExtPageLength = mpi_reply->ExtPageLength;  in _config_request()
326 		mpi_request->ExtPageType = mpi_reply->ExtPageType;  in _config_request()
327 		if (mpi_request->Header.PageLength)  in _config_request()
328 			mem.sz = mpi_request->Header.PageLength * 4;  in _config_request()
330 			mem.sz = le16_to_cpu(mpi_reply->ExtPageLength) * 4;  in _config_request()
334 		if (mpi_request->Action ==  in _config_request()
336 		    mpi_request->Action ==  in _config_request()
338 			ioc->base_add_sg_single(&mpi_request->PageBufferSGE,  in _config_request()
345 			ioc->base_add_sg_single(&mpi_request->PageBufferSGE,  in _config_request()
354 			r = -EFAULT;  in _config_request()
363 		if (r == -ETIME)  in _config_request()
368 	smid = mpt3sas_base_get_smid(ioc, ioc->config_cb_idx);  in _config_request()
371 		ioc->config_cmds.status = MPT3_CMD_NOT_USED;  in _config_request()
372 		r = -EAGAIN;  in _config_request()
377 	memset(ioc->config_cmds.reply, 0, sizeof(Mpi2ConfigReply_t));  in _config_request()
378 	ioc->config_cmds.status = MPT3_CMD_PENDING;  in _config_request()
380 	ioc->config_cmds.smid = smid;  in _config_request()
382 	if (ioc->logging_level & MPT_DEBUG_CONFIG)  in _config_request()
384 	init_completion(&ioc->config_cmds.done);  in _config_request()
385 	ioc->put_smid_default(ioc, smid);  in _config_request()
386 	wait_for_completion_timeout(&ioc->config_cmds.done, timeout*HZ);  in _config_request()
387 	if (!(ioc->config_cmds.status & MPT3_CMD_COMPLETE)) {  in _config_request()
388 		if (!(ioc->logging_level & MPT_DEBUG_CONFIG))  in _config_request()
392 		mpt3sas_base_check_cmd_timeout(ioc, ioc->config_cmds.status,  in _config_request()
395 		if (ioc->config_cmds.smid == smid)  in _config_request()
397 		if ((ioc->shost_recovery) || (ioc->config_cmds.status &  in _config_request()
398 		    MPT3_CMD_RESET) || ioc->pci_error_recovery)  in _config_request()
404 	if (ioc->config_cmds.status & MPT3_CMD_REPLY_VALID) {  in _config_request()
405 		memcpy(mpi_reply, ioc->config_cmds.reply,  in _config_request()
409 		if ((mpi_request->Header.PageType & 0xF) !=  in _config_request()
410 		    (mpi_reply->Header.PageType & 0xF)) {  in _config_request()
411 			if (!(ioc->logging_level & MPT_DEBUG_CONFIG))  in _config_request()
414 			_debug_dump_mf(mpi_request, ioc->request_sz/4);  in _config_request()
415 			_debug_dump_reply(mpi_reply, ioc->reply_sz/4);  in _config_request()
417 			      ioc->name, __func__,  in _config_request()
418 			      mpi_request->Header.PageType & 0xF,  in _config_request()
419 			      mpi_reply->Header.PageType & 0xF);  in _config_request()
422 		if (((mpi_request->Header.PageType & 0xF) ==  in _config_request()
424 		    mpi_request->ExtPageType != mpi_reply->ExtPageType) {  in _config_request()
425 			if (!(ioc->logging_level & MPT_DEBUG_CONFIG))  in _config_request()
428 			_debug_dump_mf(mpi_request, ioc->request_sz/4);  in _config_request()
429 			_debug_dump_reply(mpi_reply, ioc->reply_sz/4);  in _config_request()
431 			      ioc->name, __func__,  in _config_request()
432 			      mpi_request->ExtPageType,  in _config_request()
433 			      mpi_reply->ExtPageType);  in _config_request()
435 		ioc_status = le16_to_cpu(mpi_reply->IOCStatus)  in _config_request()
444 	    config_page && mpi_request->Action ==  in _config_request()
450 			if ((mpi_request->Header.PageType & 0xF) !=  in _config_request()
452 				if (!(ioc->logging_level & MPT_DEBUG_CONFIG))  in _config_request()
455 				_debug_dump_mf(mpi_request, ioc->request_sz/4);  in _config_request()
456 				_debug_dump_reply(mpi_reply, ioc->reply_sz/4);  in _config_request()
460 				      ioc->name, __func__,  in _config_request()
461 				      mpi_request->Header.PageType & 0xF,  in _config_request()
465 			if (((mpi_request->Header.PageType & 0xF) ==  in _config_request()
467 			    (mpi_request->ExtPageType != p[6])) {  in _config_request()
468 				if (!(ioc->logging_level & MPT_DEBUG_CONFIG))  in _config_request()
471 				_debug_dump_mf(mpi_request, ioc->request_sz/4);  in _config_request()
472 				_debug_dump_reply(mpi_reply, ioc->reply_sz/4);  in _config_request()
476 				      ioc->name, __func__,  in _config_request()
477 				      mpi_request->ExtPageType, p[6]);  in _config_request()
488 	ioc->config_cmds.status = MPT3_CMD_NOT_USED;  in _config_request()
489 	mutex_unlock(&ioc->config_cmds.mutex);  in _config_request()
492 		if (ioc->drv_internal_flags & MPT_DRV_INTERNAL_FIRST_PE_ISSUED) {  in _config_request()
494 			r = -EFAULT;  in _config_request()
497 				return -EFAULT;  in _config_request()
498 			r = -EAGAIN;  in _config_request()
505  * mpt3sas_config_get_manufacturing_pg0 - obtain manufacturing page 0
511  * Return: 0 for success, non-zero for failure.
526 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_manufacturing_pg0()
541  * mpt3sas_config_get_manufacturing_pg7 - obtain manufacturing page 7
548  * Return: 0 for success, non-zero for failure.
564 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_manufacturing_pg7()
579  * mpt3sas_config_get_manufacturing_pg10 - obtain manufacturing page 10
585  * Return: 0 for success, non-zero for failure.
601 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_manufacturing_pg10()
616  * mpt3sas_config_get_manufacturing_pg11 - obtain manufacturing page 11
622  * Return: 0 for success, non-zero for failure.
638 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_manufacturing_pg11()
653  * mpt3sas_config_set_manufacturing_pg11 - set manufacturing page 11
659  * Return: 0 for success, non-zero for failure.
675 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_set_manufacturing_pg11()
690  * mpt3sas_config_get_bios_pg2 - obtain bios page 2
696  * Return: 0 for success, non-zero for failure.
711 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_bios_pg2()
726  * mpt3sas_config_get_bios_pg3 - obtain bios page 3
732  * Return: 0 for success, non-zero for failure.
747 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_bios_pg3()
762  * mpt3sas_config_get_iounit_pg0 - obtain iounit page 0
768  * Return: 0 for success, non-zero for failure.
783 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_iounit_pg0()
798  * mpt3sas_config_get_iounit_pg1 - obtain iounit page 1
804  * Return: 0 for success, non-zero for failure.
819 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_iounit_pg1()
834  * mpt3sas_config_set_iounit_pg1 - set iounit page 1
840  * Return: 0 for success, non-zero for failure.
855 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_set_iounit_pg1()
870  * mpt3sas_config_get_iounit_pg3 - obtain iounit page 3
877  * Return: 0 for success, non-zero for failure.
892 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_iounit_pg3()
906  * mpt3sas_config_get_iounit_pg8 - obtain iounit page 8
912  * Return: 0 for success, non-zero for failure.
927 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_iounit_pg8()
942  * mpt3sas_config_get_ioc_pg8 - obtain ioc page 8
948  * Return: 0 for success, non-zero for failure.
963 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_ioc_pg8()
977  * mpt3sas_config_get_ioc_pg1 - obtain ioc page 1
983  * Return: 0 for success, non-zero for failure.
998 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_ioc_pg1()
1013  * mpt3sas_config_set_ioc_pg1 - modify ioc page 1
1019  * Return: 0 for success, non-zero for failure.
1034 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_set_ioc_pg1()
1049  * mpt3sas_config_get_sas_device_pg0 - obtain sas device page 0
1057  * Return: 0 for success, non-zero for failure.
1074 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_sas_device_pg0()
1090  * mpt3sas_config_get_sas_device_pg1 - obtain sas device page 1
1098  * Return: 0 for success, non-zero for failure.
1115 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_sas_device_pg1()
1131  * mpt3sas_config_get_pcie_device_pg0 - obtain pcie device page 0
1139  * Return: 0 for success, non-zero for failure.
1156 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_pcie_device_pg0()
1172  * mpt3sas_config_get_pcie_iounit_pg1 - obtain pcie iounit page 1
1179  * Returns 0 for success, non-zero for failure.
1196 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_pcie_iounit_pg1()
1209  * mpt3sas_config_get_pcie_device_pg2 - obtain pcie device page 2
1217  * Return: 0 for success, non-zero for failure.
1234 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_pcie_device_pg2()
1250  * mpt3sas_config_get_number_hba_phys - obtain number of phys on the host
1255  * Return: 0 for success, non-zero for failure.
1274 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_number_hba_phys()
1295  * mpt3sas_config_get_sas_iounit_pg0 - obtain sas iounit page 0
1305  * Return: 0 for success, non-zero for failure.
1322 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_sas_iounit_pg0()
1336  * mpt3sas_config_get_sas_iounit_pg1 - obtain sas iounit page 1
1346  * Return: 0 for success, non-zero for failure.
1363 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_sas_iounit_pg1()
1377  * mpt3sas_config_set_sas_iounit_pg1 - send sas iounit page 1
1387  * Return: 0 for success, non-zero for failure.
1404 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_set_sas_iounit_pg1()
1421  * mpt3sas_config_get_expander_pg0 - obtain expander page 0
1429  * Return: 0 for success, non-zero for failure.
1445 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_expander_pg0()
1461  * mpt3sas_config_get_expander_pg1 - obtain expander page 1
1469  * Return: 0 for success, non-zero for failure.
1486 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_expander_pg1()
1504  * mpt3sas_config_get_enclosure_pg0 - obtain enclosure page 0
1512  * Return: 0 for success, non-zero for failure.
1528 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_enclosure_pg0()
1544  * mpt3sas_config_get_phy_pg0 - obtain phy page 0
1551  * Return: 0 for success, non-zero for failure.
1567 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_phy_pg0()
1584  * mpt3sas_config_get_phy_pg1 - obtain phy page 1
1591  * Return: 0 for success, non-zero for failure.
1607 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_phy_pg1()
1624  * mpt3sas_config_get_raid_volume_pg1 - obtain raid volume page 1
1632  * Return: 0 for success, non-zero for failure.
1648 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_raid_volume_pg1()
1664  * mpt3sas_config_get_number_pds - obtain number of phys disk assigned to volume
1670  * Return: 0 for success, non-zero for failure.
1689 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_number_pds()
1713  * mpt3sas_config_get_raid_volume_pg0 - obtain raid volume page 0
1722  * Return: 0 for success, non-zero for failure.
1738 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_raid_volume_pg0()
1753  * mpt3sas_config_get_phys_disk_pg0 - obtain phys disk page 0
1761  * Return: 0 for success, non-zero for failure.
1777 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_phys_disk_pg0()
1793  * mpt3sas_config_get_driver_trigger_pg0 - obtain driver trigger page 0
1799  * Returns 0 for success, non-zero for failure.
1816 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_driver_trigger_pg0()
1831  * _config_set_driver_trigger_pg0 - write driver trigger page 0
1837  * Returns 0 for success, non-zero for failure.
1854 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in _config_set_driver_trigger_pg0()
1873  * mpt3sas_config_update_driver_trigger_pg0 - update driver trigger page 0
1879  * Returns 0 for success, non-zero for failure.
1900 		return -EFAULT;  in mpt3sas_config_update_driver_trigger_pg0()
1920 		return -EFAULT;  in mpt3sas_config_update_driver_trigger_pg0()
1927  * mpt3sas_config_get_driver_trigger_pg1 - obtain driver trigger page 1
1933  * Returns 0 for success, non-zero for failure.
1950 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_driver_trigger_pg1()
1965  * _config_set_driver_trigger_pg1 - write driver trigger page 1
1971  * Returns 0 for success, non-zero for failure.
1988 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in _config_set_driver_trigger_pg1()
2007  * mpt3sas_config_update_driver_trigger_pg1 - update driver trigger page 1
2013  * Returns 0 for success, non-zero for failure.
2040 		rc = -EFAULT;  in mpt3sas_config_update_driver_trigger_pg1()
2047 		    master_tg->MasterData);  in mpt3sas_config_update_driver_trigger_pg1()
2064 		rc = -EFAULT;  in mpt3sas_config_update_driver_trigger_pg1()
2078  * mpt3sas_config_get_driver_trigger_pg2 - obtain driver trigger page 2
2084  * Returns 0 for success, non-zero for failure.
2101 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_driver_trigger_pg2()
2116  * _config_set_driver_trigger_pg2 - write driver trigger page 2
2122  * Returns 0 for success, non-zero for failure.
2139 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in _config_set_driver_trigger_pg2()
2158  * mpt3sas_config_update_driver_trigger_pg2 - update driver trigger page 2
2164  * Returns 0 for success, non-zero for failure.
2191 		rc = -EFAULT;  in mpt3sas_config_update_driver_trigger_pg2()
2196 		count = event_tg->ValidEntries;  in mpt3sas_config_update_driver_trigger_pg2()
2201 			    event_tg->EventTriggerEntry[i].EventValue);  in mpt3sas_config_update_driver_trigger_pg2()
2204 			    event_tg->EventTriggerEntry[i].LogEntryQualifier);  in mpt3sas_config_update_driver_trigger_pg2()
2224 		rc = -EFAULT;  in mpt3sas_config_update_driver_trigger_pg2()
2238  * mpt3sas_config_get_driver_trigger_pg3 - obtain driver trigger page 3
2244  * Returns 0 for success, non-zero for failure.
2261 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_driver_trigger_pg3()
2276  * _config_set_driver_trigger_pg3 - write driver trigger page 3
2282  * Returns 0 for success, non-zero for failure.
2299 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in _config_set_driver_trigger_pg3()
2318  * mpt3sas_config_update_driver_trigger_pg3 - update driver trigger page 3
2324  * Returns 0 for success, non-zero for failure.
2351 		return -EFAULT;  in mpt3sas_config_update_driver_trigger_pg3()
2355 		count = scsi_tg->ValidEntries;  in mpt3sas_config_update_driver_trigger_pg3()
2359 			    scsi_tg->SCSITriggerEntry[i].ASCQ;  in mpt3sas_config_update_driver_trigger_pg3()
2361 			    scsi_tg->SCSITriggerEntry[i].ASC;  in mpt3sas_config_update_driver_trigger_pg3()
2363 			    scsi_tg->SCSITriggerEntry[i].SenseKey;  in mpt3sas_config_update_driver_trigger_pg3()
2383 		return -EFAULT;  in mpt3sas_config_update_driver_trigger_pg3()
2395  * mpt3sas_config_get_driver_trigger_pg4 - obtain driver trigger page 4
2401  * Returns 0 for success, non-zero for failure.
2418 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_driver_trigger_pg4()
2433  * _config_set_driver_trigger_pg4 - write driver trigger page 4
2439  * Returns 0 for success, non-zero for failure.
2456 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in _config_set_driver_trigger_pg4()
2475  * mpt3sas_config_update_driver_trigger_pg4 - update driver trigger page 4
2481  * Returns 0 for success, non-zero for failure.
2508 		rc = -EFAULT;  in mpt3sas_config_update_driver_trigger_pg4()
2513 		count = mpi_tg->ValidEntries;  in mpt3sas_config_update_driver_trigger_pg4()
2517 			    cpu_to_le16(mpi_tg->MPITriggerEntry[i].IOCStatus);  in mpt3sas_config_update_driver_trigger_pg4()
2519 			    cpu_to_le32(mpi_tg->MPITriggerEntry[i].IocLogInfo);  in mpt3sas_config_update_driver_trigger_pg4()
2539 		rc = -EFAULT;  in mpt3sas_config_update_driver_trigger_pg4()
2553  * mpt3sas_config_get_volume_handle - returns volume handle for give hidden
2560  * Return: 0 for success, non-zero for failure.
2583 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_volume_handle()
2593 		r = -1;  in mpt3sas_config_get_volume_handle()
2606 		r = -1;  in mpt3sas_config_get_volume_handle()
2611 		for (i = 0; i < config_page->NumElements; i++) {  in mpt3sas_config_get_volume_handle()
2612 			element_type = le16_to_cpu(config_page->  in mpt3sas_config_get_volume_handle()
2620 				    le16_to_cpu(config_page->ConfigElement[i].  in mpt3sas_config_get_volume_handle()
2624 					    le16_to_cpu(config_page->  in mpt3sas_config_get_volume_handle()
2636 		config_num = config_page->ConfigNum;  in mpt3sas_config_get_volume_handle()
2644  * mpt3sas_config_get_volume_wwid - returns wwid given the volume handle
2650  * Return: 0 for success, non-zero for failure.
2666 		return -1;  in mpt3sas_config_get_volume_wwid()