22 int ionic_bus_get_irq(struct ionic *ionic, unsigned int num)  in ionic_bus_get_irq()  argument
24 	return pci_irq_vector(ionic->pdev, num);  in ionic_bus_get_irq()
27 const char *ionic_bus_info(struct ionic *ionic)  in ionic_bus_info()  argument
29 	return pci_name(ionic->pdev);  in ionic_bus_info()
32 int ionic_bus_alloc_irq_vectors(struct ionic *ionic, unsigned int nintrs)  in ionic_bus_alloc_irq_vectors()  argument
34 	return pci_alloc_irq_vectors(ionic->pdev, nintrs, nintrs,  in ionic_bus_alloc_irq_vectors()
38 void ionic_bus_free_irq_vectors(struct ionic *ionic)  in ionic_bus_free_irq_vectors()  argument
40 	if (!ionic->nintrs)  in ionic_bus_free_irq_vectors()
43 	pci_free_irq_vectors(ionic->pdev);  in ionic_bus_free_irq_vectors()
46 static int ionic_map_bars(struct ionic *ionic)  in ionic_map_bars()  argument
48 	struct pci_dev *pdev = ionic->pdev;  in ionic_map_bars()
49 	struct device *dev = ionic->dev;  in ionic_map_bars()
53 	bars = ionic->bars;  in ionic_map_bars()
54 	ionic->num_bars = 0;  in ionic_map_bars()
76 		ionic->num_bars++;  in ionic_map_bars()
83 static void ionic_unmap_bars(struct ionic *ionic)  in ionic_unmap_bars()  argument
85 	struct ionic_dev_bar *bars = ionic->bars;  in ionic_unmap_bars()
98 void __iomem *ionic_bus_map_dbpage(struct ionic *ionic, int page_num)  in ionic_bus_map_dbpage()  argument
100 	return pci_iomap_range(ionic->pdev,  in ionic_bus_map_dbpage()
101 			       ionic->bars[IONIC_PCI_BAR_DBELL].res_index,  in ionic_bus_map_dbpage()
105 void ionic_bus_unmap_dbpage(struct ionic *ionic, void __iomem *page)  in ionic_bus_unmap_dbpage()  argument
110 static void ionic_vf_dealloc_locked(struct ionic *ionic)  in ionic_vf_dealloc_locked()  argument
116 	if (!ionic->vfs)  in ionic_vf_dealloc_locked()
119 	for (i = ionic->num_vfs - 1; i >= 0; i--) {  in ionic_vf_dealloc_locked()
120 		v = &ionic->vfs[i];  in ionic_vf_dealloc_locked()
124 			ionic_set_vf_config(ionic, i, &vfc);  in ionic_vf_dealloc_locked()
125 			dma_unmap_single(ionic->dev, v->stats_pa,  in ionic_vf_dealloc_locked()
131 	kfree(ionic->vfs);  in ionic_vf_dealloc_locked()
132 	ionic->vfs = NULL;  in ionic_vf_dealloc_locked()
133 	ionic->num_vfs = 0;  in ionic_vf_dealloc_locked()
136 static void ionic_vf_dealloc(struct ionic *ionic)  in ionic_vf_dealloc()  argument
138 	down_write(&ionic->vf_op_lock);  in ionic_vf_dealloc()
139 	ionic_vf_dealloc_locked(ionic);  in ionic_vf_dealloc()
140 	up_write(&ionic->vf_op_lock);  in ionic_vf_dealloc()
143 static int ionic_vf_alloc(struct ionic *ionic, int num_vfs)  in ionic_vf_alloc()  argument
150 	down_write(&ionic->vf_op_lock);  in ionic_vf_alloc()
152 	ionic->vfs = kcalloc(num_vfs, sizeof(struct ionic_vf), GFP_KERNEL);  in ionic_vf_alloc()
153 	if (!ionic->vfs) {  in ionic_vf_alloc()
159 		v = &ionic->vfs[i];  in ionic_vf_alloc()
160 		v->stats_pa = dma_map_single(ionic->dev, &v->stats,  in ionic_vf_alloc()
162 		if (dma_mapping_error(ionic->dev, v->stats_pa)) {  in ionic_vf_alloc()
168 		ionic->num_vfs++;  in ionic_vf_alloc()
172 		ionic_set_vf_config(ionic, i, &vfc);  in ionic_vf_alloc()
177 		ionic_vf_dealloc_locked(ionic);  in ionic_vf_alloc()
178 	up_write(&ionic->vf_op_lock);  in ionic_vf_alloc()
184 	struct ionic *ionic = pci_get_drvdata(pdev);  in ionic_sriov_configure()  local
185 	struct device *dev = ionic->dev;  in ionic_sriov_configure()
188 	if (ionic->lif &&  in ionic_sriov_configure()
189 	    test_bit(IONIC_LIF_F_FW_RESET, ionic->lif->state))  in ionic_sriov_configure()
199 		ret = ionic_vf_alloc(ionic, num_vfs);  in ionic_sriov_configure()
209 		ionic_vf_dealloc(ionic);  in ionic_sriov_configure()
216 static void ionic_clear_pci(struct ionic *ionic)  in ionic_clear_pci()  argument
218 	ionic_unmap_bars(ionic);  in ionic_clear_pci()
219 	pci_release_regions(ionic->pdev);  in ionic_clear_pci()
220 	pci_disable_device(ionic->pdev);  in ionic_clear_pci()
223 static int ionic_setup_one(struct ionic *ionic)  in ionic_setup_one()  argument
225 	struct pci_dev *pdev = ionic->pdev;  in ionic_setup_one()
226 	struct device *dev = ionic->dev;  in ionic_setup_one()
229 	ionic_debugfs_add_dev(ionic);  in ionic_setup_one()
245 	err = ionic_map_bars(ionic);  in ionic_setup_one()
250 	err = ionic_setup(ionic);  in ionic_setup_one()
257 	err = ionic_identify(ionic);  in ionic_setup_one()
262 	ionic_debugfs_add_ident(ionic);  in ionic_setup_one()
264 	err = ionic_init(ionic);  in ionic_setup_one()
271 	err = ionic_port_identify(ionic);  in ionic_setup_one()
277 	err = ionic_port_init(ionic);  in ionic_setup_one()
286 	ionic_dev_teardown(ionic);  in ionic_setup_one()
288 	ionic_clear_pci(ionic);  in ionic_setup_one()
290 	ionic_debugfs_del_dev(ionic);  in ionic_setup_one()
298 	struct ionic *ionic;  in ionic_probe()  local
302 	ionic = ionic_devlink_alloc(dev);  in ionic_probe()
303 	if (!ionic)  in ionic_probe()
306 	ionic->pdev = pdev;  in ionic_probe()
307 	ionic->dev = dev;  in ionic_probe()
308 	pci_set_drvdata(pdev, ionic);  in ionic_probe()
309 	mutex_init(&ionic->dev_cmd_lock);  in ionic_probe()
319 	err = ionic_setup_one(ionic);  in ionic_probe()
324 	err = ionic_lif_size(ionic);  in ionic_probe()
330 	err = ionic_lif_alloc(ionic);  in ionic_probe()
336 	err = ionic_lif_init(ionic->lif);  in ionic_probe()
342 	init_rwsem(&ionic->vf_op_lock);  in ionic_probe()
346 		err = ionic_vf_alloc(ionic, num_vfs);  in ionic_probe()
351 	err = ionic_devlink_register(ionic);  in ionic_probe()
357 	err = ionic_lif_register(ionic->lif);  in ionic_probe()
363 	mod_timer(&ionic->watchdog_timer,  in ionic_probe()
364 		  round_jiffies(jiffies + ionic->watchdog_period));  in ionic_probe()
369 	ionic_devlink_unregister(ionic);  in ionic_probe()
371 	ionic_vf_dealloc(ionic);  in ionic_probe()
372 	ionic_lif_deinit(ionic->lif);  in ionic_probe()
374 	ionic_lif_free(ionic->lif);  in ionic_probe()
375 	ionic->lif = NULL;  in ionic_probe()
377 	ionic_bus_free_irq_vectors(ionic);  in ionic_probe()
379 	ionic_dev_teardown(ionic);  in ionic_probe()
380 	ionic_clear_pci(ionic);  in ionic_probe()
382 	mutex_destroy(&ionic->dev_cmd_lock);  in ionic_probe()
383 	ionic_devlink_free(ionic);  in ionic_probe()
390 	struct ionic *ionic = pci_get_drvdata(pdev);  in ionic_remove()  local
392 	del_timer_sync(&ionic->watchdog_timer);  in ionic_remove()
394 	if (ionic->lif) {  in ionic_remove()
395 		ionic_lif_unregister(ionic->lif);  in ionic_remove()
396 		ionic_devlink_unregister(ionic);  in ionic_remove()
397 		ionic_lif_deinit(ionic->lif);  in ionic_remove()
398 		ionic_lif_free(ionic->lif);  in ionic_remove()
399 		ionic->lif = NULL;  in ionic_remove()
400 		ionic_bus_free_irq_vectors(ionic);  in ionic_remove()
403 	ionic_port_reset(ionic);  in ionic_remove()
404 	ionic_reset(ionic);  in ionic_remove()
405 	ionic_dev_teardown(ionic);  in ionic_remove()
406 	ionic_clear_pci(ionic);  in ionic_remove()
407 	ionic_debugfs_del_dev(ionic);  in ionic_remove()
408 	mutex_destroy(&ionic->dev_cmd_lock);  in ionic_remove()
409 	ionic_devlink_free(ionic);  in ionic_remove()
414 	struct ionic *ionic = pci_get_drvdata(pdev);  in ionic_reset_prepare()  local
415 	struct ionic_lif *lif = ionic->lif;  in ionic_reset_prepare()
417 	dev_dbg(ionic->dev, "%s: device stopping\n", __func__);  in ionic_reset_prepare()
419 	del_timer_sync(&ionic->watchdog_timer);  in ionic_reset_prepare()
429 	ionic_dev_teardown(ionic);  in ionic_reset_prepare()
430 	ionic_clear_pci(ionic);  in ionic_reset_prepare()
431 	ionic_debugfs_del_dev(ionic);  in ionic_reset_prepare()
436 	struct ionic *ionic = pci_get_drvdata(pdev);  in ionic_reset_done()  local
437 	struct ionic_lif *lif = ionic->lif;  in ionic_reset_done()
440 	err = ionic_setup_one(ionic);  in ionic_reset_done()
444 	ionic_debugfs_add_sizes(ionic);  in ionic_reset_done()
445 	ionic_debugfs_add_lif(ionic->lif);  in ionic_reset_done()
451 	mod_timer(&ionic->watchdog_timer, jiffies + 1);  in ionic_reset_done()
454 	dev_dbg(ionic->dev, "%s: device recovery %s\n",  in ionic_reset_done()