51 int nfp_pf_rtsym_read_optional(struct nfp_pf *pf, const char *format,  in nfp_pf_rtsym_read_optional()  argument
58 	snprintf(name, sizeof(name), format, nfp_cppcore_pcie_unit(pf->cpp));  in nfp_pf_rtsym_read_optional()
60 	val = nfp_rtsym_read_le(pf->rtbl, name, &err);  in nfp_pf_rtsym_read_optional()
64 		nfp_err(pf->cpp, "Unable to read symbol %s\n", name);  in nfp_pf_rtsym_read_optional()
72 nfp_pf_map_rtsym(struct nfp_pf *pf, const char *name, const char *sym_fmt,  in nfp_pf_map_rtsym()  argument
78 		 nfp_cppcore_pcie_unit(pf->cpp));  in nfp_pf_map_rtsym()
80 	return nfp_rtsym_map(pf->rtbl, pf_symbol, name, min_size, area);  in nfp_pf_map_rtsym()
84 int nfp_mbox_cmd(struct nfp_pf *pf, u32 cmd, void *in_data, u64 in_length,  in nfp_mbox_cmd()  argument
92 	if (!pf->mbox)  in nfp_mbox_cmd()
95 	max_data_sz = nfp_rtsym_size(pf->mbox) - NFP_MBOX_SYM_MIN_SIZE;  in nfp_mbox_cmd()
98 	err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_CMD, &val);  in nfp_mbox_cmd()
100 		nfp_warn(pf->cpp, "failed to issue command (%u): %u, err: %d\n",  in nfp_mbox_cmd()
106 	n = nfp_rtsym_write(pf->cpp, pf->mbox, NFP_MBOX_DATA, in_data,  in nfp_mbox_cmd()
111 	err = nfp_rtsym_writeq(pf->cpp, pf->mbox, NFP_MBOX_DATA_LEN, in_length);  in nfp_mbox_cmd()
116 	err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_DATA_LEN, &val);  in nfp_mbox_cmd()
121 	err = nfp_rtsym_writeq(pf->cpp, pf->mbox, NFP_MBOX_CMD, cmd);  in nfp_mbox_cmd()
128 		err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_CMD, &val);  in nfp_mbox_cmd()
141 	err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_DATA_LEN, &val);  in nfp_mbox_cmd()
146 	n = nfp_rtsym_read(pf->cpp, pf->mbox, NFP_MBOX_DATA,  in nfp_mbox_cmd()
152 	err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_RET, &val);  in nfp_mbox_cmd()
161 static bool nfp_board_ready(struct nfp_pf *pf)  in nfp_board_ready()  argument
167 	cp = nfp_hwinfo_lookup(pf->hwinfo, "board.state");  in nfp_board_ready()
178 static int nfp_pf_board_state_wait(struct nfp_pf *pf)  in nfp_pf_board_state_wait()  argument
182 	while (!nfp_board_ready(pf)) {  in nfp_pf_board_state_wait()
184 			nfp_err(pf->cpp, "NFP board initialization timeout\n");  in nfp_pf_board_state_wait()
188 		nfp_info(pf->cpp, "waiting for board initialization\n");  in nfp_pf_board_state_wait()
193 		kfree(pf->hwinfo);  in nfp_pf_board_state_wait()
194 		pf->hwinfo = nfp_hwinfo_read(pf->cpp);  in nfp_pf_board_state_wait()
200 static int nfp_pcie_sriov_read_nfd_limit(struct nfp_pf *pf)  in nfp_pcie_sriov_read_nfd_limit()  argument
204 	pf->limit_vfs = nfp_rtsym_read_le(pf->rtbl, "nfd_vf_cfg_max_vfs", &err);  in nfp_pcie_sriov_read_nfd_limit()
207 		pf->limit_vfs = ~0;  in nfp_pcie_sriov_read_nfd_limit()
211 		nfp_warn(pf->cpp, "Warning: VF limit read failed: %d\n", err);  in nfp_pcie_sriov_read_nfd_limit()
215 	err = pci_sriov_set_totalvfs(pf->pdev, pf->limit_vfs);  in nfp_pcie_sriov_read_nfd_limit()
217 		nfp_warn(pf->cpp, "Failed to set VF count in sysfs: %d\n", err);  in nfp_pcie_sriov_read_nfd_limit()
224 	struct nfp_pf *pf = pci_get_drvdata(pdev);  in nfp_pcie_sriov_enable()  local
227 	if (num_vfs > pf->limit_vfs) {  in nfp_pcie_sriov_enable()
228 		nfp_info(pf->cpp, "Firmware limits number of VFs to %u\n",  in nfp_pcie_sriov_enable()
229 			 pf->limit_vfs);  in nfp_pcie_sriov_enable()
239 	mutex_lock(&pf->lock);  in nfp_pcie_sriov_enable()
241 	err = nfp_app_sriov_enable(pf->app, num_vfs);  in nfp_pcie_sriov_enable()
249 	pf->num_vfs = num_vfs;  in nfp_pcie_sriov_enable()
251 	dev_dbg(&pdev->dev, "Created %d VFs.\n", pf->num_vfs);  in nfp_pcie_sriov_enable()
253 	mutex_unlock(&pf->lock);  in nfp_pcie_sriov_enable()
257 	mutex_unlock(&pf->lock);  in nfp_pcie_sriov_enable()
267 	struct nfp_pf *pf = pci_get_drvdata(pdev);  in nfp_pcie_sriov_disable()  local
269 	mutex_lock(&pf->lock);  in nfp_pcie_sriov_disable()
277 		mutex_unlock(&pf->lock);  in nfp_pcie_sriov_disable()
281 	nfp_app_sriov_disable(pf->app);  in nfp_pcie_sriov_disable()
283 	pf->num_vfs = 0;  in nfp_pcie_sriov_disable()
285 	mutex_unlock(&pf->lock);  in nfp_pcie_sriov_disable()
304 int nfp_flash_update_common(struct nfp_pf *pf, const char *path,  in nfp_flash_update_common()  argument
307 	struct device *dev = &pf->pdev->dev;  in nfp_flash_update_common()
312 	nsp = nfp_nsp_open(pf->cpp);  in nfp_flash_update_common()
346 nfp_net_fw_request(struct pci_dev *pdev, struct nfp_pf *pf, const char *name)  in nfp_net_fw_request()  argument
352 	nfp_info(pf->cpp, "  %s: %s\n",  in nfp_net_fw_request()
363  * @pf:		NFP PF Device structure
368 nfp_net_fw_find(struct pci_dev *pdev, struct nfp_pf *pf)  in nfp_net_fw_find()  argument
378 	nfp_info(pf->cpp, "Looking for firmware file in order of priority:\n");  in nfp_net_fw_find()
381 	interface = nfp_cpp_interface(pf->cpp);  in nfp_net_fw_find()
382 	nfp_cpp_serial(pf->cpp, &serial);  in nfp_net_fw_find()
385 	fw = nfp_net_fw_request(pdev, pf, fw_name);  in nfp_net_fw_find()
391 	fw = nfp_net_fw_request(pdev, pf, fw_name);  in nfp_net_fw_find()
396 	if (!pf->eth_tbl) {  in nfp_net_fw_find()
401 	fw_model = nfp_hwinfo_lookup(pf->hwinfo, "assembly.partno");  in nfp_net_fw_find()
410 	for (i = 0; spc > 0 && i < pf->eth_tbl->count; i += j) {  in nfp_net_fw_find()
411 		port = &pf->eth_tbl->ports[i];  in nfp_net_fw_find()
413 		while (i + j < pf->eth_tbl->count &&  in nfp_net_fw_find()
428 	return nfp_net_fw_request(pdev, pf, fw_name);  in nfp_net_fw_find()
461  * @pf:		NFP PF Device structure
467 nfp_fw_load(struct pci_dev *pdev, struct nfp_pf *pf, struct nfp_nsp *nsp)  in nfp_fw_load()  argument
482 	interface = nfp_cpp_interface(pf->cpp);  in nfp_fw_load()
517 	fw = nfp_net_fw_find(pdev, pf);  in nfp_fw_load()
567 		pf->unload_fw_on_remove = true;  in nfp_fw_load()
573 nfp_nsp_init_ports(struct pci_dev *pdev, struct nfp_pf *pf,  in nfp_nsp_init_ports()  argument
579 	pf->eth_tbl = __nfp_eth_read_ports(pf->cpp, nsp);  in nfp_nsp_init_ports()
580 	if (!pf->eth_tbl)  in nfp_nsp_init_ports()
586 	for (i = 0; i < pf->eth_tbl->count; i++)  in nfp_nsp_init_ports()
587 		needs_reinit |= pf->eth_tbl->ports[i].override_changed;  in nfp_nsp_init_ports()
591 	kfree(pf->eth_tbl);  in nfp_nsp_init_ports()
595 	pf->eth_tbl = __nfp_eth_read_ports(pf->cpp, nsp);  in nfp_nsp_init_ports()
598 static int nfp_nsp_init(struct pci_dev *pdev, struct nfp_pf *pf)  in nfp_nsp_init()  argument
603 	err = nfp_resource_wait(pf->cpp, NFP_RESOURCE_NSP, 30);  in nfp_nsp_init()
607 	nsp = nfp_nsp_open(pf->cpp);  in nfp_nsp_init()
618 	nfp_nsp_init_ports(pdev, pf, nsp);  in nfp_nsp_init()
620 	pf->nspi = __nfp_nsp_identify(nsp);  in nfp_nsp_init()
621 	if (pf->nspi)  in nfp_nsp_init()
622 		dev_info(&pdev->dev, "BSP: %s\n", pf->nspi->version);  in nfp_nsp_init()
624 	err = nfp_fw_load(pdev, pf, nsp);  in nfp_nsp_init()
626 		kfree(pf->nspi);  in nfp_nsp_init()
627 		kfree(pf->eth_tbl);  in nfp_nsp_init()
632 	pf->fw_loaded = !!err;  in nfp_nsp_init()
641 static void nfp_fw_unload(struct nfp_pf *pf)  in nfp_fw_unload()  argument
646 	nsp = nfp_nsp_open(pf->cpp);  in nfp_fw_unload()
648 		nfp_err(pf->cpp, "Reset failed, can't open NSP\n");  in nfp_fw_unload()
654 		dev_warn(&pf->pdev->dev, "Couldn't unload firmware: %d\n", err);  in nfp_fw_unload()
656 		dev_info(&pf->pdev->dev, "Firmware safely unloaded\n");  in nfp_fw_unload()
661 static int nfp_pf_find_rtsyms(struct nfp_pf *pf)  in nfp_pf_find_rtsyms()  argument
666 	pf_id = nfp_cppcore_pcie_unit(pf->cpp);  in nfp_pf_find_rtsyms()
668 	/* Optional per-PCI PF mailbox */  in nfp_pf_find_rtsyms()
670 	pf->mbox = nfp_rtsym_lookup(pf->rtbl, pf_symbol);  in nfp_pf_find_rtsyms()
671 	if (pf->mbox && nfp_rtsym_size(pf->mbox) < NFP_MBOX_SYM_MIN_SIZE) {  in nfp_pf_find_rtsyms()
672 		nfp_err(pf->cpp, "PF mailbox symbol too small: %llu < %d\n",  in nfp_pf_find_rtsyms()
673 			nfp_rtsym_size(pf->mbox), NFP_MBOX_SYM_MIN_SIZE);  in nfp_pf_find_rtsyms()
684 	struct nfp_pf *pf;  in nfp_pci_probe()  local
689 …dev_warn(&pdev->dev, "Binding NFP VF device to the NFP PF driver, the VF driver is called 'nfp_net…  in nfp_pci_probe()
708 	devlink = devlink_alloc(&nfp_devlink_ops, sizeof(*pf));  in nfp_pci_probe()
713 	pf = devlink_priv(devlink);  in nfp_pci_probe()
714 	INIT_LIST_HEAD(&pf->vnics);  in nfp_pci_probe()
715 	INIT_LIST_HEAD(&pf->ports);  in nfp_pci_probe()
716 	mutex_init(&pf->lock);  in nfp_pci_probe()
717 	pci_set_drvdata(pdev, pf);  in nfp_pci_probe()
718 	pf->pdev = pdev;  in nfp_pci_probe()
720 	pf->wq = alloc_workqueue("nfp-%s", 0, 2, pci_name(pdev));  in nfp_pci_probe()
721 	if (!pf->wq) {  in nfp_pci_probe()
726 	pf->cpp = nfp_cpp_from_nfp6000_pcie(pdev);  in nfp_pci_probe()
727 	if (IS_ERR_OR_NULL(pf->cpp)) {  in nfp_pci_probe()
728 		err = PTR_ERR(pf->cpp);  in nfp_pci_probe()
734 	err = nfp_resource_table_init(pf->cpp);  in nfp_pci_probe()
738 	pf->hwinfo = nfp_hwinfo_read(pf->cpp);  in nfp_pci_probe()
741 		 nfp_hwinfo_lookup(pf->hwinfo, "assembly.vendor"),  in nfp_pci_probe()
742 		 nfp_hwinfo_lookup(pf->hwinfo, "assembly.partno"),  in nfp_pci_probe()
743 		 nfp_hwinfo_lookup(pf->hwinfo, "assembly.serial"),  in nfp_pci_probe()
744 		 nfp_hwinfo_lookup(pf->hwinfo, "assembly.revision"),  in nfp_pci_probe()
745 		 nfp_hwinfo_lookup(pf->hwinfo, "cpld.version"));  in nfp_pci_probe()
747 	err = nfp_pf_board_state_wait(pf);  in nfp_pci_probe()
751 	err = nfp_nsp_init(pdev, pf);  in nfp_pci_probe()
755 	pf->mip = nfp_mip_open(pf->cpp);  in nfp_pci_probe()
756 	pf->rtbl = __nfp_rtsym_table_read(pf->cpp, pf->mip);  in nfp_pci_probe()
758 	err = nfp_pf_find_rtsyms(pf);  in nfp_pci_probe()
762 	pf->dump_flag = NFP_DUMP_NSP_DIAG;  in nfp_pci_probe()
763 	pf->dumpspec = nfp_net_dump_load_dumpspec(pf->cpp, pf->rtbl);  in nfp_pci_probe()
765 	err = nfp_pcie_sriov_read_nfd_limit(pf);  in nfp_pci_probe()
769 	pf->num_vfs = pci_num_vf(pdev);  in nfp_pci_probe()
770 	if (pf->num_vfs > pf->limit_vfs) {  in nfp_pci_probe()
773 			pf->num_vfs, pf->limit_vfs);  in nfp_pci_probe()
778 	err = nfp_net_pci_probe(pf);  in nfp_pci_probe()
782 	err = nfp_hwmon_register(pf);  in nfp_pci_probe()
791 	nfp_net_pci_remove(pf);  in nfp_pci_probe()
793 	kfree(pf->rtbl);  in nfp_pci_probe()
794 	nfp_mip_close(pf->mip);  in nfp_pci_probe()
795 	if (pf->unload_fw_on_remove)  in nfp_pci_probe()
796 		nfp_fw_unload(pf);  in nfp_pci_probe()
797 	kfree(pf->eth_tbl);  in nfp_pci_probe()
798 	kfree(pf->nspi);  in nfp_pci_probe()
799 	vfree(pf->dumpspec);  in nfp_pci_probe()
801 	kfree(pf->hwinfo);  in nfp_pci_probe()
803 	nfp_cpp_free(pf->cpp);  in nfp_pci_probe()
805 	destroy_workqueue(pf->wq);  in nfp_pci_probe()
808 	mutex_destroy(&pf->lock);  in nfp_pci_probe()
820 	struct nfp_pf *pf;  in __nfp_pci_shutdown()  local
822 	pf = pci_get_drvdata(pdev);  in __nfp_pci_shutdown()
823 	if (!pf)  in __nfp_pci_shutdown()
826 	nfp_hwmon_unregister(pf);  in __nfp_pci_shutdown()
830 	nfp_net_pci_remove(pf);  in __nfp_pci_shutdown()
832 	vfree(pf->dumpspec);  in __nfp_pci_shutdown()
833 	kfree(pf->rtbl);  in __nfp_pci_shutdown()
834 	nfp_mip_close(pf->mip);  in __nfp_pci_shutdown()
835 	if (unload_fw && pf->unload_fw_on_remove)  in __nfp_pci_shutdown()
836 		nfp_fw_unload(pf);  in __nfp_pci_shutdown()
838 	destroy_workqueue(pf->wq);  in __nfp_pci_shutdown()
840 	kfree(pf->hwinfo);  in __nfp_pci_shutdown()
841 	nfp_cpp_free(pf->cpp);  in __nfp_pci_shutdown()
843 	kfree(pf->eth_tbl);  in __nfp_pci_shutdown()
844 	kfree(pf->nspi);  in __nfp_pci_shutdown()
845 	mutex_destroy(&pf->lock);  in __nfp_pci_shutdown()
846 	devlink_free(priv_to_devlink(pf));  in __nfp_pci_shutdown()