/*
* fcoe_sw_exit - unregisters fcoe_sw_transport
*
* Returns : 0 on success
*/
int __exit fcoe_sw_exit(void)
{
/* dettach the transport */
fc_release_transport(scsi_transport_fcoe_sw);
fcoe_transport_unregister(&fcoe_sw_transport);
return 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;
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;
}
static void __exit zfcp_module_exit(void)
{
ccw_driver_unregister(&zfcp_ccw_driver);
fc_release_transport(zfcp_scsi_transport_template);
kmem_cache_destroy(zfcp_fc_req_cache);
kmem_cache_destroy(zfcp_fsf_qtcb_cache);
}
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;
}
static void __exit fnic_cleanup_module(void)
{
pci_unregister_driver(&fnic_driver);
destroy_workqueue(fnic_event_queue);
kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
kmem_cache_destroy(fnic_io_req_cache);
fc_release_transport(fnic_fc_transport);
}
static void __exit zfcp_module_exit(void)
{
ccw_driver_unregister(&zfcp_ccw_driver);
misc_deregister(&zfcp_cfdc_misc);
fc_release_transport(zfcp_data.scsi_transport_template);
kmem_cache_destroy(zfcp_data.adisc_cache);
kmem_cache_destroy(zfcp_data.gid_pn_cache);
kmem_cache_destroy(zfcp_data.sr_buffer_cache);
kmem_cache_destroy(zfcp_data.qtcb_cache);
kmem_cache_destroy(zfcp_data.gpn_ft_cache);
}
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;
}
static void __exit fnic_cleanup_module(void)
{
teardown_fnic_procfs();
pci_unregister_driver(&fnic_driver);
destroy_workqueue(fnic_event_queue);
if (fnic_fip_queue) {
flush_workqueue(fnic_fip_queue);
destroy_workqueue(fnic_fip_queue);
}
kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
kmem_cache_destroy(fnic_io_req_cache);
fc_release_transport(fnic_fc_transport);
fnic_trace_free();
}
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;
}
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;
}
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;
}
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;
}