1 // SPDX-License-Identifier: GPL-2.0
15 	struct efc *efc = nport->efc;  in efc_nport_free_resources()
18 	nport->attached = false;  in efc_nport_free_resources()
21 	if (nport->dma.virt) {  in efc_nport_free_resources()
22 		dma_free_coherent(&efc->pci->dev, nport->dma.size,  in efc_nport_free_resources()
23 				  nport->dma.virt, nport->dma.phys);  in efc_nport_free_resources()
24 		memset(&nport->dma, 0, sizeof(struct efc_dma));  in efc_nport_free_resources()
28 	sli_resource_free(efc->sli, SLI4_RSRC_VPI, nport->indicator);  in efc_nport_free_resources()
36 	struct efc *efc = nport->efc;  in efc_nport_get_mbox_status()
40 	if (status || le16_to_cpu(hdr->status)) {  in efc_nport_get_mbox_status()
42 			      nport->indicator, status, le16_to_cpu(hdr->status));  in efc_nport_get_mbox_status()
43 		return -EIO;  in efc_nport_get_mbox_status()
67 	struct efc *efc = nport->efc;  in efc_nport_free_unreg_vpi()
71 	rc = sli_cmd_unreg_vpi(efc->sli, data, nport->indicator,  in efc_nport_free_unreg_vpi()
79 	rc = efc->tt.issue_mbox_rqst(efc->base, data,  in efc_nport_free_unreg_vpi()
90 	struct efc *efc = nport->efc;  in efc_nport_send_evt()
97 		nport->attached = true;  in efc_nport_send_evt()
100 	if (nport->free_req_pending)  in efc_nport_send_evt()
111 		return -EIO;  in efc_nport_alloc_init_vpi_cb()
121 	struct efc *efc = nport->efc;  in efc_nport_alloc_init_vpi()
126 	if (nport->free_req_pending) {  in efc_nport_alloc_init_vpi()
131 	rc = sli_cmd_init_vpi(efc->sli, data,  in efc_nport_alloc_init_vpi()
132 			      nport->indicator, nport->domain->indicator);  in efc_nport_alloc_init_vpi()
139 	rc = efc->tt.issue_mbox_rqst(efc->base, data,  in efc_nport_alloc_init_vpi()
155 		return -EIO;  in efc_nport_alloc_read_sparm64_cb()
158 	payload = nport->dma.virt;  in efc_nport_alloc_read_sparm64_cb()
160 	memcpy(&nport->sli_wwpn, payload + SLI4_READ_SPARM64_WWPN_OFFSET,  in efc_nport_alloc_read_sparm64_cb()
161 	       sizeof(nport->sli_wwpn));  in efc_nport_alloc_read_sparm64_cb()
162 	memcpy(&nport->sli_wwnn, payload + SLI4_READ_SPARM64_WWNN_OFFSET,  in efc_nport_alloc_read_sparm64_cb()
163 	       sizeof(nport->sli_wwnn));  in efc_nport_alloc_read_sparm64_cb()
165 	dma_free_coherent(&efc->pci->dev, nport->dma.size, nport->dma.virt,  in efc_nport_alloc_read_sparm64_cb()
166 			  nport->dma.phys);  in efc_nport_alloc_read_sparm64_cb()
167 	memset(&nport->dma, 0, sizeof(struct efc_dma));  in efc_nport_alloc_read_sparm64_cb()
179 	nport->dma.size = EFC_SPARAM_DMA_SZ;  in efc_nport_alloc_read_sparm64()
180 	nport->dma.virt = dma_alloc_coherent(&efc->pci->dev,  in efc_nport_alloc_read_sparm64()
181 					     nport->dma.size, &nport->dma.phys,  in efc_nport_alloc_read_sparm64()
183 	if (!nport->dma.virt) {  in efc_nport_alloc_read_sparm64()
189 	rc = sli_cmd_read_sparm64(efc->sli, data,  in efc_nport_alloc_read_sparm64()
190 				  &nport->dma, nport->indicator);  in efc_nport_alloc_read_sparm64()
197 	rc = efc->tt.issue_mbox_rqst(efc->base, data,  in efc_nport_alloc_read_sparm64()
207 		    struct efc_domain *domain, u8 *wwpn)  in efc_cmd_nport_alloc()  argument
211 	nport->indicator = U32_MAX;  in efc_cmd_nport_alloc()
212 	nport->free_req_pending = false;  in efc_cmd_nport_alloc()
215 		memcpy(&nport->sli_wwpn, wwpn, sizeof(nport->sli_wwpn));  in efc_cmd_nport_alloc()
221 	if (sli_resource_alloc(efc->sli, SLI4_RSRC_VPI,  in efc_cmd_nport_alloc()
222 			       &nport->indicator, &index)) {  in efc_cmd_nport_alloc()
224 		return -EIO;  in efc_cmd_nport_alloc()
227 	if (domain) {  in efc_cmd_nport_alloc()
237 		/* domain NULL and wwpn non-NULL */  in efc_cmd_nport_alloc()
239 		sli_resource_free(efc->sli, SLI4_RSRC_VPI, nport->indicator);  in efc_cmd_nport_alloc()
240 		return -EIO;  in efc_cmd_nport_alloc()
252 	nport->attaching = false;  in efc_nport_attach_reg_vpi_cb()
255 		return -EIO;  in efc_nport_attach_reg_vpi_cb()
270 		return -EIO;  in efc_cmd_nport_attach()
273 	nport->fc_id = fc_id;  in efc_cmd_nport_attach()
275 	/* register previously-allocated VPI with the device */  in efc_cmd_nport_attach()
276 	rc = sli_cmd_reg_vpi(efc->sli, buf, nport->fc_id,  in efc_cmd_nport_attach()
277 			     nport->sli_wwpn, nport->indicator,  in efc_cmd_nport_attach()
278 			    nport->domain->indicator, false);  in efc_cmd_nport_attach()
285 	rc = efc->tt.issue_mbox_rqst(efc->base, buf,  in efc_cmd_nport_attach()
291 		nport->attaching = true;  in efc_cmd_nport_attach()
302 		return -EIO;  in efc_cmd_nport_free()
306 	if (nport->attached)  in efc_cmd_nport_free()
308 	else if (nport->attaching)  in efc_cmd_nport_free()
309 		nport->free_req_pending = true;  in efc_cmd_nport_free()
311 		efc_sm_post_event(&nport->sm, EFC_EVT_NPORT_FREE_OK, NULL);  in efc_cmd_nport_free()
317 efc_domain_get_mbox_status(struct efc_domain *domain, u8 *mqe, int status)  in efc_domain_get_mbox_status()  argument
319 	struct efc *efc = domain->efc;  in efc_domain_get_mbox_status()
323 	if (status || le16_to_cpu(hdr->status)) {  in efc_domain_get_mbox_status()
325 			      domain->indicator, status,  in efc_domain_get_mbox_status()
326 			      le16_to_cpu(hdr->status));  in efc_domain_get_mbox_status()
327 		return -EIO;  in efc_domain_get_mbox_status()
334 efc_domain_free_resources(struct efc_domain *domain, int evt, void *data)  in efc_domain_free_resources()  argument
336 	struct efc *efc = domain->efc;  in efc_domain_free_resources()
339 	if (domain->dma.virt) {  in efc_domain_free_resources()
340 		dma_free_coherent(&efc->pci->dev,  in efc_domain_free_resources()
341 				  domain->dma.size, domain->dma.virt,  in efc_domain_free_resources()
342 				  domain->dma.phys);  in efc_domain_free_resources()
343 		memset(&domain->dma, 0, sizeof(struct efc_dma));  in efc_domain_free_resources()
347 	sli_resource_free(efc->sli, SLI4_RSRC_VFI, domain->indicator);  in efc_domain_free_resources()
349 	efc_domain_cb(efc, evt, domain);  in efc_domain_free_resources()
353 efc_domain_send_nport_evt(struct efc_domain *domain,  in efc_domain_send_nport_evt()  argument
356 	struct efc *efc = domain->efc;  in efc_domain_send_nport_evt()
359 	efc_nport_send_evt(domain->nport, port_evt, NULL);  in efc_domain_send_nport_evt()
362 	efc_domain_cb(efc, domain_evt, domain);  in efc_domain_send_nport_evt()
369 	struct efc_domain *domain = arg;  in efc_domain_alloc_read_sparm64_cb()  local
371 	if (efc_domain_get_mbox_status(domain, mqe, status)) {  in efc_domain_alloc_read_sparm64_cb()
372 		efc_domain_free_resources(domain,  in efc_domain_alloc_read_sparm64_cb()
374 		return -EIO;  in efc_domain_alloc_read_sparm64_cb()
377 	efc_domain_send_nport_evt(domain, EFC_EVT_NPORT_ALLOC_OK,  in efc_domain_alloc_read_sparm64_cb()
383 efc_domain_alloc_read_sparm64(struct efc_domain *domain)  in efc_domain_alloc_read_sparm64()  argument
385 	struct efc *efc = domain->efc;  in efc_domain_alloc_read_sparm64()
389 	rc = sli_cmd_read_sparm64(efc->sli, data, &domain->dma, 0);  in efc_domain_alloc_read_sparm64()
392 		efc_domain_free_resources(domain,  in efc_domain_alloc_read_sparm64()
397 	rc = efc->tt.issue_mbox_rqst(efc->base, data,  in efc_domain_alloc_read_sparm64()
398 				     efc_domain_alloc_read_sparm64_cb, domain);  in efc_domain_alloc_read_sparm64()
401 		efc_domain_free_resources(domain,  in efc_domain_alloc_read_sparm64()
410 	struct efc_domain *domain = arg;  in efc_domain_alloc_init_vfi_cb()  local
412 	if (efc_domain_get_mbox_status(domain, mqe, status)) {  in efc_domain_alloc_init_vfi_cb()
413 		efc_domain_free_resources(domain,  in efc_domain_alloc_init_vfi_cb()
415 		return -EIO;  in efc_domain_alloc_init_vfi_cb()
418 	efc_domain_alloc_read_sparm64(domain);  in efc_domain_alloc_init_vfi_cb()
423 efc_domain_alloc_init_vfi(struct efc_domain *domain)  in efc_domain_alloc_init_vfi()  argument
425 	struct efc *efc = domain->efc;  in efc_domain_alloc_init_vfi()
426 	struct efc_nport *nport = domain->nport;  in efc_domain_alloc_init_vfi()
432 	 * Copy FCF information into the domain and jump to INIT_VFI.  in efc_domain_alloc_init_vfi()
434 	domain->fcf_indicator = efc->fcfi;  in efc_domain_alloc_init_vfi()
435 	rc = sli_cmd_init_vfi(efc->sli, data, domain->indicator,  in efc_domain_alloc_init_vfi()
436 			      domain->fcf_indicator, nport->indicator);  in efc_domain_alloc_init_vfi()
439 		efc_domain_free_resources(domain,  in efc_domain_alloc_init_vfi()
445 	rc = efc->tt.issue_mbox_rqst(efc->base, data,  in efc_domain_alloc_init_vfi()
446 				     efc_domain_alloc_init_vfi_cb, domain);  in efc_domain_alloc_init_vfi()
449 		efc_domain_free_resources(domain,  in efc_domain_alloc_init_vfi()
455 efc_cmd_domain_alloc(struct efc *efc, struct efc_domain *domain, u32 fcf)  in efc_cmd_domain_alloc()  argument
459 	if (!domain || !domain->nport) {  in efc_cmd_domain_alloc()
460 		efc_log_err(efc, "bad parameter(s) domain=%p nport=%p\n",  in efc_cmd_domain_alloc()
461 			    domain, domain ? domain->nport : NULL);  in efc_cmd_domain_alloc()
462 		return -EIO;  in efc_cmd_domain_alloc()
466 	domain->dma.size = EFC_SPARAM_DMA_SZ;  in efc_cmd_domain_alloc()
467 	domain->dma.virt = dma_alloc_coherent(&efc->pci->dev,  in efc_cmd_domain_alloc()
468 					      domain->dma.size,  in efc_cmd_domain_alloc()
469 					      &domain->dma.phys, GFP_KERNEL);  in efc_cmd_domain_alloc()
470 	if (!domain->dma.virt) {  in efc_cmd_domain_alloc()
472 		return -EIO;  in efc_cmd_domain_alloc()
475 	domain->fcf = fcf;  in efc_cmd_domain_alloc()
476 	domain->fcf_indicator = U32_MAX;  in efc_cmd_domain_alloc()
477 	domain->indicator = U32_MAX;  in efc_cmd_domain_alloc()
479 	if (sli_resource_alloc(efc->sli, SLI4_RSRC_VFI, &domain->indicator,  in efc_cmd_domain_alloc()
483 		dma_free_coherent(&efc->pci->dev,  in efc_cmd_domain_alloc()
484 				  domain->dma.size, domain->dma.virt,  in efc_cmd_domain_alloc()
485 				  domain->dma.phys);  in efc_cmd_domain_alloc()
486 		memset(&domain->dma, 0, sizeof(struct efc_dma));  in efc_cmd_domain_alloc()
488 		return -EIO;  in efc_cmd_domain_alloc()
491 	efc_domain_alloc_init_vfi(domain);  in efc_cmd_domain_alloc()
499 	struct efc_domain *domain = arg;  in efc_domain_attach_reg_vfi_cb()  local
501 	if (efc_domain_get_mbox_status(domain, mqe, status)) {  in efc_domain_attach_reg_vfi_cb()
502 		efc_domain_free_resources(domain,  in efc_domain_attach_reg_vfi_cb()
504 		return -EIO;  in efc_domain_attach_reg_vfi_cb()
507 	efc_domain_send_nport_evt(domain, EFC_EVT_NPORT_ATTACH_OK,  in efc_domain_attach_reg_vfi_cb()
513 efc_cmd_domain_attach(struct efc *efc, struct efc_domain *domain, u32 fc_id)  in efc_cmd_domain_attach()  argument
518 	if (!domain) {  in efc_cmd_domain_attach()
519 		efc_log_err(efc, "bad param(s) domain=%p\n", domain);  in efc_cmd_domain_attach()
520 		return -EIO;  in efc_cmd_domain_attach()
523 	domain->nport->fc_id = fc_id;  in efc_cmd_domain_attach()
525 	rc = sli_cmd_reg_vfi(efc->sli, buf, SLI4_BMBX_SIZE, domain->indicator,  in efc_cmd_domain_attach()
526 			     domain->fcf_indicator, domain->dma,  in efc_cmd_domain_attach()
527 			     domain->nport->indicator, domain->nport->sli_wwpn,  in efc_cmd_domain_attach()
528 			     domain->nport->fc_id);  in efc_cmd_domain_attach()
534 	rc = efc->tt.issue_mbox_rqst(efc->base, buf,  in efc_cmd_domain_attach()
535 				     efc_domain_attach_reg_vfi_cb, domain);  in efc_cmd_domain_attach()
544 	efc_domain_free_resources(domain, EFC_HW_DOMAIN_ATTACH_FAIL, buf);  in efc_cmd_domain_attach()
552 	struct efc_domain *domain = arg;  in efc_domain_free_unreg_vfi_cb()  local
556 	rc = efc_domain_get_mbox_status(domain, mqe, status);  in efc_domain_free_unreg_vfi_cb()
559 		rc = -EIO;  in efc_domain_free_unreg_vfi_cb()
562 	efc_domain_free_resources(domain, evt, mqe);  in efc_domain_free_unreg_vfi_cb()
567 efc_domain_free_unreg_vfi(struct efc_domain *domain)  in efc_domain_free_unreg_vfi()  argument
569 	struct efc *efc = domain->efc;  in efc_domain_free_unreg_vfi()
573 	rc = sli_cmd_unreg_vfi(efc->sli, data, domain->indicator,  in efc_domain_free_unreg_vfi()
580 	rc = efc->tt.issue_mbox_rqst(efc->base, data,  in efc_domain_free_unreg_vfi()
581 				     efc_domain_free_unreg_vfi_cb, domain);  in efc_domain_free_unreg_vfi()
590 	efc_domain_free_resources(domain, EFC_HW_DOMAIN_FREE_FAIL, data);  in efc_domain_free_unreg_vfi()
594 efc_cmd_domain_free(struct efc *efc, struct efc_domain *domain)  in efc_cmd_domain_free()  argument
596 	if (!domain) {  in efc_cmd_domain_free()
597 		efc_log_err(efc, "bad parameter(s) domain=%p\n", domain);  in efc_cmd_domain_free()
598 		return -EIO;  in efc_cmd_domain_free()
601 	efc_domain_free_unreg_vfi(domain);  in efc_cmd_domain_free()
610 	if (rnode->indicator != U32_MAX) {  in efc_cmd_node_alloc()
613 			    fc_addr, rnode->indicator);  in efc_cmd_node_alloc()
614 		return -EIO;  in efc_cmd_node_alloc()
618 	rnode->nport = NULL;  in efc_cmd_node_alloc()
620 	if (sli_resource_alloc(efc->sli, SLI4_RSRC_RPI,  in efc_cmd_node_alloc()
621 			       &rnode->indicator, &rnode->index)) {  in efc_cmd_node_alloc()
624 		return -EIO;  in efc_cmd_node_alloc()
627 	rnode->fc_id = fc_addr;  in efc_cmd_node_alloc()
628 	rnode->nport = nport;  in efc_cmd_node_alloc()
641 	if (status || le16_to_cpu(hdr->status)) {  in efc_cmd_node_attach_cb()
643 			      le16_to_cpu(hdr->status));  in efc_cmd_node_attach_cb()
644 		rnode->attached = false;  in efc_cmd_node_attach_cb()
647 		rnode->attached = true;  in efc_cmd_node_attach_cb()
660 	int rc = -EIO;  in efc_cmd_node_attach()
666 		return -EIO;  in efc_cmd_node_attach()
670 	 * If the attach count is non-zero, this RPI has already been reg'd.  in efc_cmd_node_attach()
673 	if (rnode->index == U32_MAX) {  in efc_cmd_node_attach()
674 		efc_log_err(efc, "bad parameter rnode->index invalid\n");  in efc_cmd_node_attach()
675 		return -EIO;  in efc_cmd_node_attach()
679 	if (!sli_cmd_reg_rpi(efc->sli, buf, rnode->indicator,  in efc_cmd_node_attach()
680 			     rnode->nport->indicator, rnode->fc_id, sparms, 0, 0))  in efc_cmd_node_attach()
681 		rc = efc->tt.issue_mbox_rqst(efc->base, buf,  in efc_cmd_node_attach()
694 		return -EIO;  in efc_node_free_resources()
697 	if (rnode->nport) {  in efc_node_free_resources()
698 		if (rnode->attached) {  in efc_node_free_resources()
700 			return -EIO;  in efc_node_free_resources()
702 		if (rnode->indicator != U32_MAX) {  in efc_node_free_resources()
703 			if (sli_resource_free(efc->sli, SLI4_RSRC_RPI,  in efc_node_free_resources()
704 					      rnode->indicator)) {  in efc_node_free_resources()
707 					    rnode->indicator, rnode->fc_id);  in efc_node_free_resources()
708 				rc = -EIO;  in efc_node_free_resources()
710 				rnode->indicator = U32_MAX;  in efc_node_free_resources()
711 				rnode->index = U32_MAX;  in efc_node_free_resources()
728 	if (status || le16_to_cpu(hdr->status)) {  in efc_cmd_node_free_cb()
730 			      le16_to_cpu(hdr->status));  in efc_cmd_node_free_cb()
733 		 * In certain cases, a non-zero MQE status is OK (all must be  in efc_cmd_node_free_cb()
735 		 *   - node is attached  in efc_cmd_node_free_cb()
736 		 *   - status is 0x1400  in efc_cmd_node_free_cb()
738 		if (!rnode->attached ||  in efc_cmd_node_free_cb()
739 		    (le16_to_cpu(hdr->status) != SLI4_MBX_STATUS_RPI_NOT_REG))  in efc_cmd_node_free_cb()
740 			rc = -EIO;  in efc_cmd_node_free_cb()
744 		rnode->attached = false;  in efc_cmd_node_free_cb()
757 	int rc = -EIO;  in efc_cmd_node_detach()
761 		return -EIO;  in efc_cmd_node_detach()
764 	if (rnode->nport) {  in efc_cmd_node_detach()
765 		if (!rnode->attached)  in efc_cmd_node_detach()
766 			return -EIO;  in efc_cmd_node_detach()
768 		rc = -EIO;  in efc_cmd_node_detach()
770 		if (!sli_cmd_unreg_rpi(efc->sli, buf, rnode->indicator,  in efc_cmd_node_detach()
772 			rc = efc->tt.issue_mbox_rqst(efc->base, buf,  in efc_cmd_node_detach()
777 			rc = -EIO;  in efc_cmd_node_detach()