static int __init zfcp_module_init(void)
{
	int retval = -ENOMEM;

	zfcp_data.fsf_req_qtcb_cache = zfcp_cache_create(
			sizeof(struct zfcp_fsf_req_qtcb), "zfcp_fsf");
	if (!zfcp_data.fsf_req_qtcb_cache)
		goto out;

	zfcp_data.sr_buffer_cache = zfcp_cache_create(
			sizeof(struct fsf_status_read_buffer), "zfcp_sr");
	if (!zfcp_data.sr_buffer_cache)
		goto out_sr_cache;

	zfcp_data.gid_pn_cache = zfcp_cache_create(
			sizeof(struct zfcp_gid_pn_data), "zfcp_gid");
	if (!zfcp_data.gid_pn_cache)
		goto out_gid_cache;

	INIT_LIST_HEAD(&zfcp_data.adapter_list_head);
	INIT_LIST_HEAD(&zfcp_data.adapter_remove_lh);

	sema_init(&zfcp_data.config_sema, 1);
	rwlock_init(&zfcp_data.config_lock);

	zfcp_data.scsi_transport_template =
		fc_attach_transport(&zfcp_transport_functions);
	if (!zfcp_data.scsi_transport_template)
		goto out_transport;

	retval = misc_register(&zfcp_cfdc_misc);
	if (retval) {
		pr_err("zfcp: registration of misc device zfcp_cfdc failed\n");
		goto out_misc;
	}

	retval = zfcp_ccw_register();
	if (retval) {
		pr_err("zfcp: Registration with common I/O layer failed.\n");
		goto out_ccw_register;
	}

	if (zfcp_device_setup(device))
		zfcp_init_device_configure();

	goto out;

out_ccw_register:
	misc_deregister(&zfcp_cfdc_misc);
out_misc:
	fc_release_transport(zfcp_data.scsi_transport_template);
out_transport:
	kmem_cache_destroy(zfcp_data.gid_pn_cache);
out_gid_cache:
	kmem_cache_destroy(zfcp_data.sr_buffer_cache);
out_sr_cache:
	kmem_cache_destroy(zfcp_data.fsf_req_qtcb_cache);
out:
	return retval;
}
Example #2
0
static int __init zfcp_module_init(void)
{
	int retval = -ENOMEM;

	zfcp_data.fsf_req_qtcb_cache = zfcp_cache_create(
			sizeof(struct zfcp_fsf_req_qtcb), "zfcp_fsf");
	if (!zfcp_data.fsf_req_qtcb_cache)
		goto out;

	zfcp_data.sr_buffer_cache = zfcp_cache_create(
			sizeof(struct fsf_status_read_buffer), "zfcp_sr");
	if (!zfcp_data.sr_buffer_cache)
		goto out_sr_cache;

	zfcp_data.gid_pn_cache = zfcp_cache_create(
			sizeof(struct zfcp_gid_pn_data), "zfcp_gid");
	if (!zfcp_data.gid_pn_cache)
		goto out_gid_cache;

	zfcp_data.work_queue = create_singlethread_workqueue("zfcp_wq");

	sema_init(&zfcp_data.config_sema, 1);
	rwlock_init(&zfcp_data.config_lock);

	zfcp_data.scsi_transport_template =
		fc_attach_transport(&zfcp_transport_functions);
	if (!zfcp_data.scsi_transport_template)
		goto out_transport;

	retval = misc_register(&zfcp_cfdc_misc);
	if (retval) {
		pr_err("Registering the misc device zfcp_cfdc failed\n");
		goto out_misc;
	}

	retval = zfcp_ccw_register();
	if (retval) {
		pr_err("The zfcp device driver could not register with "
		       "the common I/O layer\n");
		goto out_ccw_register;
	}

	if (init_device)
		zfcp_init_device_setup(init_device);
	return 0;

out_ccw_register:
	misc_deregister(&zfcp_cfdc_misc);
out_misc:
	fc_release_transport(zfcp_data.scsi_transport_template);
out_transport:
	kmem_cache_destroy(zfcp_data.gid_pn_cache);
out_gid_cache:
	kmem_cache_destroy(zfcp_data.sr_buffer_cache);
out_sr_cache:
	kmem_cache_destroy(zfcp_data.fsf_req_qtcb_cache);
out:
	return retval;
}
Example #3
0
/*
 * fcoe_sw_init - registers fcoe_sw_transport
 *
 * Returns : 0 on success
 */
int __init fcoe_sw_init(void)
{
	/* attach to scsi transport */
	scsi_transport_fcoe_sw =
		fc_attach_transport(&fcoe_sw_transport_function);
	if (!scsi_transport_fcoe_sw) {
		printk(KERN_ERR "fcoe_sw_init:fc_attach_transport() failed\n");
		return -ENODEV;
	}
	/* register sw transport */
	fcoe_transport_register(&fcoe_sw_transport);
	return 0;
}
Example #4
0
static int __init zfcp_module_init(void)
{
	int retval = -ENOMEM;

	zfcp_fsf_qtcb_cache = zfcp_cache_hw_align("zfcp_fsf_qtcb",
						  sizeof(struct fsf_qtcb));
	if (!zfcp_fsf_qtcb_cache)
		goto out_qtcb_cache;

	zfcp_fc_req_cache = zfcp_cache_hw_align("zfcp_fc_req",
						sizeof(struct zfcp_fc_req));
	if (!zfcp_fc_req_cache)
		goto out_fc_cache;

	zfcp_scsi_transport_template =
		fc_attach_transport(&zfcp_transport_functions);
	if (!zfcp_scsi_transport_template)
		goto out_transport;
	scsi_transport_reserve_device(zfcp_scsi_transport_template,
				      sizeof(struct zfcp_scsi_dev));


	retval = misc_register(&zfcp_cfdc_misc);
	if (retval) {
		pr_err("Registering the misc device zfcp_cfdc failed\n");
		goto out_misc;
	}

	retval = ccw_driver_register(&zfcp_ccw_driver);
	if (retval) {
		pr_err("The zfcp device driver could not register with "
		       "the common I/O layer\n");
		goto out_ccw_register;
	}

	if (init_device)
		zfcp_init_device_setup(init_device);
	return 0;

out_ccw_register:
	misc_deregister(&zfcp_cfdc_misc);
out_misc:
	fc_release_transport(zfcp_scsi_transport_template);
out_transport:
	kmem_cache_destroy(zfcp_fc_req_cache);
out_fc_cache:
	kmem_cache_destroy(zfcp_fsf_qtcb_cache);
out_qtcb_cache:
	return retval;
}
Example #5
0
static int __init zfcp_module_init(void)
{
	int retval = -ENOMEM;

	zfcp_data.gpn_ft_cache = zfcp_cache_hw_align("zfcp_gpn",
					sizeof(struct ct_iu_gpn_ft_req));
	if (!zfcp_data.gpn_ft_cache)
		goto out;

	zfcp_data.qtcb_cache = zfcp_cache_hw_align("zfcp_qtcb",
					sizeof(struct fsf_qtcb));
	if (!zfcp_data.qtcb_cache)
		goto out_qtcb_cache;

	zfcp_data.sr_buffer_cache = zfcp_cache_hw_align("zfcp_sr",
					sizeof(struct fsf_status_read_buffer));
	if (!zfcp_data.sr_buffer_cache)
		goto out_sr_cache;

	zfcp_data.gid_pn_cache = zfcp_cache_hw_align("zfcp_gid",
					sizeof(struct zfcp_gid_pn_data));
	if (!zfcp_data.gid_pn_cache)
		goto out_gid_cache;

	mutex_init(&zfcp_data.config_mutex);
	rwlock_init(&zfcp_data.config_lock);

	zfcp_data.scsi_transport_template =
		fc_attach_transport(&zfcp_transport_functions);
	if (!zfcp_data.scsi_transport_template)
		goto out_transport;

	retval = misc_register(&zfcp_cfdc_misc);
	if (retval) {
		pr_err("Registering the misc device zfcp_cfdc failed\n");
		goto out_misc;
	}

	retval = zfcp_ccw_register();
	if (retval) {
		pr_err("The zfcp device driver could not register with "
		       "the common I/O layer\n");
		goto out_ccw_register;
	}

	if (init_device)
		zfcp_init_device_setup(init_device);
	return 0;

out_ccw_register:
	misc_deregister(&zfcp_cfdc_misc);
out_misc:
	fc_release_transport(zfcp_data.scsi_transport_template);
out_transport:
	kmem_cache_destroy(zfcp_data.gid_pn_cache);
out_gid_cache:
	kmem_cache_destroy(zfcp_data.sr_buffer_cache);
out_sr_cache:
	kmem_cache_destroy(zfcp_data.qtcb_cache);
out_qtcb_cache:
	kmem_cache_destroy(zfcp_data.gpn_ft_cache);
out:
	return retval;
}
Example #6
0
static int __init fnic_init_module(void)
{
	size_t len;
	int err = 0;

	printk(KERN_INFO PFX "%s, ver %s\n", DRV_DESCRIPTION, DRV_VERSION);

	/* Create debugfs entries for fnic */
	err = fnic_debugfs_init();
	if (err < 0) {
		printk(KERN_ERR PFX "Failed to create fnic directory "
				"for tracing and stats logging\n");
		fnic_debugfs_terminate();
	}

	/* Allocate memory for trace buffer */
	err = fnic_trace_buf_init();
	if (err < 0) {
		printk(KERN_ERR PFX "Trace buffer initialization Failed "
				  "Fnic Tracing utility is disabled\n");
		fnic_trace_free();
	}

	/* Create a cache for allocation of default size sgls */
	len = sizeof(struct fnic_dflt_sgl_list);
	fnic_sgl_cache[FNIC_SGL_CACHE_DFLT] = kmem_cache_create
		("fnic_sgl_dflt", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN,
		 SLAB_HWCACHE_ALIGN,
		 NULL);
	if (!fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]) {
		printk(KERN_ERR PFX "failed to create fnic dflt sgl slab\n");
		err = -ENOMEM;
		goto err_create_fnic_sgl_slab_dflt;
	}

	/* Create a cache for allocation of max size sgls*/
	len = sizeof(struct fnic_sgl_list);
	fnic_sgl_cache[FNIC_SGL_CACHE_MAX] = kmem_cache_create
		("fnic_sgl_max", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN,
		  SLAB_HWCACHE_ALIGN,
		  NULL);
	if (!fnic_sgl_cache[FNIC_SGL_CACHE_MAX]) {
		printk(KERN_ERR PFX "failed to create fnic max sgl slab\n");
		err = -ENOMEM;
		goto err_create_fnic_sgl_slab_max;
	}

	/* Create a cache of io_req structs for use via mempool */
	fnic_io_req_cache = kmem_cache_create("fnic_io_req",
					      sizeof(struct fnic_io_req),
					      0, SLAB_HWCACHE_ALIGN, NULL);
	if (!fnic_io_req_cache) {
		printk(KERN_ERR PFX "failed to create fnic io_req slab\n");
		err = -ENOMEM;
		goto err_create_fnic_ioreq_slab;
	}

	fnic_event_queue = create_singlethread_workqueue("fnic_event_wq");
	if (!fnic_event_queue) {
		printk(KERN_ERR PFX "fnic work queue create failed\n");
		err = -ENOMEM;
		goto err_create_fnic_workq;
	}

	spin_lock_init(&fnic_list_lock);
	INIT_LIST_HEAD(&fnic_list);

	fnic_fip_queue = create_singlethread_workqueue("fnic_fip_q");
	if (!fnic_fip_queue) {
		printk(KERN_ERR PFX "fnic FIP work queue create failed\n");
		err = -ENOMEM;
		goto err_create_fip_workq;
	}

	fnic_fc_transport = fc_attach_transport(&fnic_fc_functions);
	if (!fnic_fc_transport) {
		printk(KERN_ERR PFX "fc_attach_transport error\n");
		err = -ENOMEM;
		goto err_fc_transport;
	}

	/* register the driver with PCI system */
	err = pci_register_driver(&fnic_driver);
	if (err < 0) {
		printk(KERN_ERR PFX "pci register error\n");
		goto err_pci_register;
	}
	return err;

err_pci_register:
	fc_release_transport(fnic_fc_transport);
err_fc_transport:
	destroy_workqueue(fnic_fip_queue);
err_create_fip_workq:
	destroy_workqueue(fnic_event_queue);
err_create_fnic_workq:
	kmem_cache_destroy(fnic_io_req_cache);
err_create_fnic_ioreq_slab:
	kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
err_create_fnic_sgl_slab_max:
	kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
err_create_fnic_sgl_slab_dflt:
	fnic_trace_free();
	fnic_debugfs_terminate();
	return err;
}
Example #7
0
static int __init fnic_init_module(void)
{
	size_t len;
	int err = 0;

	printk(KERN_INFO PFX "%s, ver %s\n", DRV_DESCRIPTION, DRV_VERSION);

	
	len = sizeof(struct fnic_dflt_sgl_list);
	fnic_sgl_cache[FNIC_SGL_CACHE_DFLT] = kmem_cache_create
		("fnic_sgl_dflt", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN,
		 SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA,
		 NULL);
	if (!fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]) {
		printk(KERN_ERR PFX "failed to create fnic dflt sgl slab\n");
		err = -ENOMEM;
		goto err_create_fnic_sgl_slab_dflt;
	}

	
	len = sizeof(struct fnic_sgl_list);
	fnic_sgl_cache[FNIC_SGL_CACHE_MAX] = kmem_cache_create
		("fnic_sgl_max", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN,
		 SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA,
		 NULL);
	if (!fnic_sgl_cache[FNIC_SGL_CACHE_MAX]) {
		printk(KERN_ERR PFX "failed to create fnic max sgl slab\n");
		err = -ENOMEM;
		goto err_create_fnic_sgl_slab_max;
	}

	
	fnic_io_req_cache = kmem_cache_create("fnic_io_req",
					      sizeof(struct fnic_io_req),
					      0, SLAB_HWCACHE_ALIGN, NULL);
	if (!fnic_io_req_cache) {
		printk(KERN_ERR PFX "failed to create fnic io_req slab\n");
		err = -ENOMEM;
		goto err_create_fnic_ioreq_slab;
	}

	fnic_event_queue = create_singlethread_workqueue("fnic_event_wq");
	if (!fnic_event_queue) {
		printk(KERN_ERR PFX "fnic work queue create failed\n");
		err = -ENOMEM;
		goto err_create_fnic_workq;
	}

	spin_lock_init(&fnic_list_lock);
	INIT_LIST_HEAD(&fnic_list);

	fnic_fc_transport = fc_attach_transport(&fnic_fc_functions);
	if (!fnic_fc_transport) {
		printk(KERN_ERR PFX "fc_attach_transport error\n");
		err = -ENOMEM;
		goto err_fc_transport;
	}

	
	err = pci_register_driver(&fnic_driver);
	if (err < 0) {
		printk(KERN_ERR PFX "pci register error\n");
		goto err_pci_register;
	}
	return err;

err_pci_register:
	fc_release_transport(fnic_fc_transport);
err_fc_transport:
	destroy_workqueue(fnic_event_queue);
err_create_fnic_workq:
	kmem_cache_destroy(fnic_io_req_cache);
err_create_fnic_ioreq_slab:
	kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
err_create_fnic_sgl_slab_max:
	kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
err_create_fnic_sgl_slab_dflt:
	return err;
}
Example #8
0
static int __init fnic_init_module(void)
{
	size_t len;
	int err = 0;

;

	/* Create a cache for allocation of default size sgls */
	len = sizeof(struct fnic_dflt_sgl_list);
	fnic_sgl_cache[FNIC_SGL_CACHE_DFLT] = kmem_cache_create
		("fnic_sgl_dflt", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN,
		 SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA,
		 NULL);
	if (!fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]) {
;
		err = -ENOMEM;
		goto err_create_fnic_sgl_slab_dflt;
	}

	/* Create a cache for allocation of max size sgls*/
	len = sizeof(struct fnic_sgl_list);
	fnic_sgl_cache[FNIC_SGL_CACHE_MAX] = kmem_cache_create
		("fnic_sgl_max", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN,
		 SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA,
		 NULL);
	if (!fnic_sgl_cache[FNIC_SGL_CACHE_MAX]) {
;
		err = -ENOMEM;
		goto err_create_fnic_sgl_slab_max;
	}

	/* Create a cache of io_req structs for use via mempool */
	fnic_io_req_cache = kmem_cache_create("fnic_io_req",
					      sizeof(struct fnic_io_req),
					      0, SLAB_HWCACHE_ALIGN, NULL);
	if (!fnic_io_req_cache) {
;
		err = -ENOMEM;
		goto err_create_fnic_ioreq_slab;
	}

	fnic_event_queue = create_singlethread_workqueue("fnic_event_wq");
	if (!fnic_event_queue) {
;
		err = -ENOMEM;
		goto err_create_fnic_workq;
	}

	spin_lock_init(&fnic_list_lock);
	INIT_LIST_HEAD(&fnic_list);

	fnic_fc_transport = fc_attach_transport(&fnic_fc_functions);
	if (!fnic_fc_transport) {
;
		err = -ENOMEM;
		goto err_fc_transport;
	}

	/* register the driver with PCI system */
	err = pci_register_driver(&fnic_driver);
	if (err < 0) {
;
		goto err_pci_register;
	}
	return err;

err_pci_register:
	fc_release_transport(fnic_fc_transport);
err_fc_transport:
	destroy_workqueue(fnic_event_queue);
err_create_fnic_workq:
	kmem_cache_destroy(fnic_io_req_cache);
err_create_fnic_ioreq_slab:
	kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
err_create_fnic_sgl_slab_max:
	kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
err_create_fnic_sgl_slab_dflt:
	return err;
}