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()
365 	smid = mpt3sas_base_get_smid(ioc, ioc->config_cb_idx);  in _config_request()
368 		ioc->config_cmds.status = MPT3_CMD_NOT_USED;  in _config_request()
369 		r = -EAGAIN;  in _config_request()
374 	memset(ioc->config_cmds.reply, 0, sizeof(Mpi2ConfigReply_t));  in _config_request()
375 	ioc->config_cmds.status = MPT3_CMD_PENDING;  in _config_request()
377 	ioc->config_cmds.smid = smid;  in _config_request()
379 	if (ioc->logging_level & MPT_DEBUG_CONFIG)  in _config_request()
381 	init_completion(&ioc->config_cmds.done);  in _config_request()
382 	ioc->put_smid_default(ioc, smid);  in _config_request()
383 	wait_for_completion_timeout(&ioc->config_cmds.done, timeout*HZ);  in _config_request()
384 	if (!(ioc->config_cmds.status & MPT3_CMD_COMPLETE)) {  in _config_request()
385 		if (!(ioc->logging_level & MPT_DEBUG_CONFIG))  in _config_request()
389 		mpt3sas_base_check_cmd_timeout(ioc, ioc->config_cmds.status,  in _config_request()
392 		if (ioc->config_cmds.smid == smid)  in _config_request()
394 		if ((ioc->shost_recovery) || (ioc->config_cmds.status &  in _config_request()
395 		    MPT3_CMD_RESET) || ioc->pci_error_recovery)  in _config_request()
398 		r = -EFAULT;  in _config_request()
402 	if (ioc->config_cmds.status & MPT3_CMD_REPLY_VALID) {  in _config_request()
403 		memcpy(mpi_reply, ioc->config_cmds.reply,  in _config_request()
407 		if ((mpi_request->Header.PageType & 0xF) !=  in _config_request()
408 		    (mpi_reply->Header.PageType & 0xF)) {  in _config_request()
409 			if (!(ioc->logging_level & MPT_DEBUG_CONFIG))  in _config_request()
412 			_debug_dump_mf(mpi_request, ioc->request_sz/4);  in _config_request()
413 			_debug_dump_reply(mpi_reply, ioc->reply_sz/4);  in _config_request()
415 			      ioc->name, __func__,  in _config_request()
416 			      mpi_request->Header.PageType & 0xF,  in _config_request()
417 			      mpi_reply->Header.PageType & 0xF);  in _config_request()
420 		if (((mpi_request->Header.PageType & 0xF) ==  in _config_request()
422 		    mpi_request->ExtPageType != mpi_reply->ExtPageType) {  in _config_request()
423 			if (!(ioc->logging_level & MPT_DEBUG_CONFIG))  in _config_request()
426 			_debug_dump_mf(mpi_request, ioc->request_sz/4);  in _config_request()
427 			_debug_dump_reply(mpi_reply, ioc->reply_sz/4);  in _config_request()
429 			      ioc->name, __func__,  in _config_request()
430 			      mpi_request->ExtPageType,  in _config_request()
431 			      mpi_reply->ExtPageType);  in _config_request()
433 		ioc_status = le16_to_cpu(mpi_reply->IOCStatus)  in _config_request()
442 	    config_page && mpi_request->Action ==  in _config_request()
448 			if ((mpi_request->Header.PageType & 0xF) !=  in _config_request()
450 				if (!(ioc->logging_level & MPT_DEBUG_CONFIG))  in _config_request()
453 				_debug_dump_mf(mpi_request, ioc->request_sz/4);  in _config_request()
454 				_debug_dump_reply(mpi_reply, ioc->reply_sz/4);  in _config_request()
458 				      ioc->name, __func__,  in _config_request()
459 				      mpi_request->Header.PageType & 0xF,  in _config_request()
463 			if (((mpi_request->Header.PageType & 0xF) ==  in _config_request()
465 			    (mpi_request->ExtPageType != p[6])) {  in _config_request()
466 				if (!(ioc->logging_level & MPT_DEBUG_CONFIG))  in _config_request()
469 				_debug_dump_mf(mpi_request, ioc->request_sz/4);  in _config_request()
470 				_debug_dump_reply(mpi_reply, ioc->reply_sz/4);  in _config_request()
474 				      ioc->name, __func__,  in _config_request()
475 				      mpi_request->ExtPageType, p[6]);  in _config_request()
486 	ioc->config_cmds.status = MPT3_CMD_NOT_USED;  in _config_request()
487 	mutex_unlock(&ioc->config_cmds.mutex);  in _config_request()
495  * mpt3sas_config_get_manufacturing_pg0 - obtain manufacturing page 0
501  * Return: 0 for success, non-zero for failure.
516 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_manufacturing_pg0()
531  * mpt3sas_config_get_manufacturing_pg7 - obtain manufacturing page 7
538  * Return: 0 for success, non-zero for failure.
554 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_manufacturing_pg7()
569  * mpt3sas_config_get_manufacturing_pg10 - obtain manufacturing page 10
575  * Return: 0 for success, non-zero for failure.
591 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_manufacturing_pg10()
606  * mpt3sas_config_get_manufacturing_pg11 - obtain manufacturing page 11
612  * Return: 0 for success, non-zero for failure.
628 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_manufacturing_pg11()
643  * mpt3sas_config_set_manufacturing_pg11 - set manufacturing page 11
649  * Return: 0 for success, non-zero for failure.
665 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_set_manufacturing_pg11()
680  * mpt3sas_config_get_bios_pg2 - obtain bios page 2
686  * Return: 0 for success, non-zero for failure.
701 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_bios_pg2()
716  * mpt3sas_config_get_bios_pg3 - obtain bios page 3
722  * Return: 0 for success, non-zero for failure.
737 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_bios_pg3()
752  * mpt3sas_config_get_iounit_pg0 - obtain iounit page 0
758  * Return: 0 for success, non-zero for failure.
773 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_iounit_pg0()
788  * mpt3sas_config_get_iounit_pg1 - obtain iounit page 1
794  * Return: 0 for success, non-zero for failure.
809 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_iounit_pg1()
824  * mpt3sas_config_set_iounit_pg1 - set iounit page 1
830  * Return: 0 for success, non-zero for failure.
845 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_set_iounit_pg1()
860  * mpt3sas_config_get_iounit_pg3 - obtain iounit page 3
867  * Return: 0 for success, non-zero for failure.
882 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_iounit_pg3()
896  * mpt3sas_config_get_iounit_pg8 - obtain iounit page 8
902  * Return: 0 for success, non-zero for failure.
917 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_iounit_pg8()
932  * mpt3sas_config_get_ioc_pg8 - obtain ioc page 8
938  * Return: 0 for success, non-zero for failure.
953 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_ioc_pg8()
967  * mpt3sas_config_get_ioc_pg1 - obtain ioc page 1
973  * Return: 0 for success, non-zero for failure.
988 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_ioc_pg1()
1003  * mpt3sas_config_set_ioc_pg1 - modify ioc page 1
1009  * Return: 0 for success, non-zero for failure.
1024 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_set_ioc_pg1()
1039  * mpt3sas_config_get_sas_device_pg0 - obtain sas device page 0
1047  * Return: 0 for success, non-zero for failure.
1064 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_sas_device_pg0()
1080  * mpt3sas_config_get_sas_device_pg1 - obtain sas device page 1
1088  * Return: 0 for success, non-zero for failure.
1105 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_sas_device_pg1()
1121  * mpt3sas_config_get_pcie_device_pg0 - obtain pcie device page 0
1129  * Return: 0 for success, non-zero for failure.
1146 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_pcie_device_pg0()
1162  * mpt3sas_config_get_pcie_device_pg2 - obtain pcie device page 2
1170  * Return: 0 for success, non-zero for failure.
1187 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_pcie_device_pg2()
1203  * mpt3sas_config_get_number_hba_phys - obtain number of phys on the host
1208  * Return: 0 for success, non-zero for failure.
1227 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_number_hba_phys()
1248  * mpt3sas_config_get_sas_iounit_pg0 - obtain sas iounit page 0
1258  * Return: 0 for success, non-zero for failure.
1275 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_sas_iounit_pg0()
1289  * mpt3sas_config_get_sas_iounit_pg1 - obtain sas iounit page 1
1299  * Return: 0 for success, non-zero for failure.
1316 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_sas_iounit_pg1()
1330  * mpt3sas_config_set_sas_iounit_pg1 - send sas iounit page 1
1340  * Return: 0 for success, non-zero for failure.
1357 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_set_sas_iounit_pg1()
1374  * mpt3sas_config_get_expander_pg0 - obtain expander page 0
1382  * Return: 0 for success, non-zero for failure.
1398 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_expander_pg0()
1414  * mpt3sas_config_get_expander_pg1 - obtain expander page 1
1422  * Return: 0 for success, non-zero for failure.
1439 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_expander_pg1()
1457  * mpt3sas_config_get_enclosure_pg0 - obtain enclosure page 0
1465  * Return: 0 for success, non-zero for failure.
1481 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_enclosure_pg0()
1497  * mpt3sas_config_get_phy_pg0 - obtain phy page 0
1504  * Return: 0 for success, non-zero for failure.
1520 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_phy_pg0()
1537  * mpt3sas_config_get_phy_pg1 - obtain phy page 1
1544  * Return: 0 for success, non-zero for failure.
1560 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_phy_pg1()
1577  * mpt3sas_config_get_raid_volume_pg1 - obtain raid volume page 1
1585  * Return: 0 for success, non-zero for failure.
1601 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_raid_volume_pg1()
1617  * mpt3sas_config_get_number_pds - obtain number of phys disk assigned to volume
1623  * Return: 0 for success, non-zero for failure.
1642 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_number_pds()
1666  * mpt3sas_config_get_raid_volume_pg0 - obtain raid volume page 0
1675  * Return: 0 for success, non-zero for failure.
1691 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_raid_volume_pg0()
1706  * mpt3sas_config_get_phys_disk_pg0 - obtain phys disk page 0
1714  * Return: 0 for success, non-zero for failure.
1730 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_phys_disk_pg0()
1746  * mpt3sas_config_get_volume_handle - returns volume handle for give hidden
1753  * Return: 0 for success, non-zero for failure.
1776 	ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);  in mpt3sas_config_get_volume_handle()
1786 		r = -1;  in mpt3sas_config_get_volume_handle()
1799 		r = -1;  in mpt3sas_config_get_volume_handle()
1804 		for (i = 0; i < config_page->NumElements; i++) {  in mpt3sas_config_get_volume_handle()
1805 			element_type = le16_to_cpu(config_page->  in mpt3sas_config_get_volume_handle()
1813 				    le16_to_cpu(config_page->ConfigElement[i].  in mpt3sas_config_get_volume_handle()
1817 					    le16_to_cpu(config_page->  in mpt3sas_config_get_volume_handle()
1829 		config_num = config_page->ConfigNum;  in mpt3sas_config_get_volume_handle()
1837  * mpt3sas_config_get_volume_wwid - returns wwid given the volume handle
1843  * Return: 0 for success, non-zero for failure.
1859 		return -1;  in mpt3sas_config_get_volume_wwid()