diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_ext.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_ext.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h new file mode 100644 index 000000000000..d5fd43352071 --- /dev/null +++ b/drivers/s390/scsi/zfcp_ext.h @@ -0,0 +1,186 @@ +/* + * + * linux/drivers/s390/scsi/zfcp_ext.h + * + * FCP adapter driver for IBM eServer zSeries + * + * (C) Copyright IBM Corp. 2002, 2004 + * + * Author(s): Martin Peschke <mpeschke@de.ibm.com> + * Raimund Schroeder <raimund.schroeder@de.ibm.com> + * Aron Zeh + * Wolfgang Taphorn + * Stefan Bader <stefan.bader@de.ibm.com> + * Heiko Carstens <heiko.carstens@de.ibm.com> + * Andreas Herrmann <aherrman@de.ibm.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef ZFCP_EXT_H +#define ZFCP_EXT_H + +#define ZFCP_EXT_REVISION "$Revision: 1.62 $" + +#include "zfcp_def.h" + +extern struct zfcp_data zfcp_data; + +/******************************** SYSFS *************************************/ +extern int zfcp_sysfs_driver_create_files(struct device_driver *); +extern void zfcp_sysfs_driver_remove_files(struct device_driver *); +extern int zfcp_sysfs_adapter_create_files(struct device *); +extern void zfcp_sysfs_adapter_remove_files(struct device *); +extern int zfcp_sysfs_port_create_files(struct device *, u32); +extern void zfcp_sysfs_port_remove_files(struct device *, u32); +extern int zfcp_sysfs_unit_create_files(struct device *); +extern void zfcp_sysfs_unit_remove_files(struct device *); +extern void zfcp_sysfs_port_release(struct device *); +extern void zfcp_sysfs_unit_release(struct device *); + +/**************************** CONFIGURATION *********************************/ +extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, fcp_lun_t); +extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, wwn_t); +extern struct zfcp_port *zfcp_get_port_by_did(struct zfcp_adapter *, u32); +struct zfcp_adapter *zfcp_get_adapter_by_busid(char *); +extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *); +extern int zfcp_adapter_debug_register(struct zfcp_adapter *); +extern void zfcp_adapter_dequeue(struct zfcp_adapter *); +extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *); +extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, wwn_t, + u32, u32); +extern void zfcp_port_dequeue(struct zfcp_port *); +extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, fcp_lun_t); +extern void zfcp_unit_dequeue(struct zfcp_unit *); + +/******************************* S/390 IO ************************************/ +extern int zfcp_ccw_register(void); +extern void zfcp_ccw_unregister(void); + +extern void zfcp_qdio_zero_sbals(struct qdio_buffer **, int, int); +extern int zfcp_qdio_allocate(struct zfcp_adapter *); +extern int zfcp_qdio_allocate_queues(struct zfcp_adapter *); +extern void zfcp_qdio_free_queues(struct zfcp_adapter *); +extern int zfcp_qdio_determine_pci(struct zfcp_qdio_queue *, + struct zfcp_fsf_req *); +extern int zfcp_qdio_reqid_check(struct zfcp_adapter *, void *); + +extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_req + (struct zfcp_fsf_req *, int, int); +extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_curr + (struct zfcp_fsf_req *); +extern int zfcp_qdio_sbals_from_sg + (struct zfcp_fsf_req *, unsigned long, struct scatterlist *, int, int); +extern int zfcp_qdio_sbals_from_scsicmnd + (struct zfcp_fsf_req *, unsigned long, struct scsi_cmnd *); + + +/******************************** FSF ****************************************/ +extern int zfcp_fsf_open_port(struct zfcp_erp_action *); +extern int zfcp_fsf_close_port(struct zfcp_erp_action *); +extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); + +extern int zfcp_fsf_open_unit(struct zfcp_erp_action *); +extern int zfcp_fsf_close_unit(struct zfcp_erp_action *); + +extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); +extern int zfcp_fsf_exchange_port_data(struct zfcp_adapter *, + struct fsf_qtcb_bottom_port *); +extern int zfcp_fsf_control_file(struct zfcp_adapter *, struct zfcp_fsf_req **, + u32, u32, struct zfcp_sg_list *); +extern void zfcp_fsf_request_timeout_handler(unsigned long); +extern void zfcp_fsf_scsi_er_timeout_handler(unsigned long); +extern int zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); +extern int zfcp_fsf_status_read(struct zfcp_adapter *, int); +extern int zfcp_fsf_req_create(struct zfcp_adapter *, u32, int, mempool_t *, + unsigned long *, struct zfcp_fsf_req **); +extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *, + struct zfcp_erp_action *); +extern int zfcp_fsf_send_els(struct zfcp_send_els *); +extern int zfcp_fsf_req_wait_and_cleanup(struct zfcp_fsf_req *, int, u32 *); +extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *, + struct zfcp_unit *, + struct scsi_cmnd *, + struct timer_list*, int); +extern int zfcp_fsf_req_complete(struct zfcp_fsf_req *); +extern void zfcp_fsf_incoming_els(struct zfcp_fsf_req *); +extern void zfcp_fsf_req_cleanup(struct zfcp_fsf_req *); +extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_command_task_management( + struct zfcp_adapter *, struct zfcp_unit *, u8, int); +extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command( + unsigned long, struct zfcp_adapter *, struct zfcp_unit *, int); + +/******************************* FC/FCP **************************************/ +extern int zfcp_nameserver_enqueue(struct zfcp_adapter *); +extern int zfcp_ns_gid_pn_request(struct zfcp_erp_action *); +extern int zfcp_check_ct_response(struct ct_hdr *); +extern int zfcp_handle_els_rjt(u32, struct zfcp_ls_rjt_par *); + +/******************************* SCSI ****************************************/ +extern int zfcp_adapter_scsi_register(struct zfcp_adapter *); +extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *); +extern void zfcp_set_fcp_dl(struct fcp_cmnd_iu *, fcp_dl_t); +extern char *zfcp_get_fcp_rsp_info_ptr(struct fcp_rsp_iu *); +extern void set_host_byte(u32 *, char); +extern void set_driver_byte(u32 *, char); +extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *); +extern void zfcp_fsf_start_scsi_er_timer(struct zfcp_adapter *); +extern fcp_dl_t zfcp_get_fcp_dl(struct fcp_cmnd_iu *); + +extern int zfcp_scsi_command_async(struct zfcp_adapter *,struct zfcp_unit *, + struct scsi_cmnd *, struct timer_list *); +extern int zfcp_scsi_command_sync(struct zfcp_unit *, struct scsi_cmnd *, + struct timer_list *); +extern struct scsi_transport_template *zfcp_transport_template; +extern struct fc_function_template zfcp_transport_functions; + +/******************************** ERP ****************************************/ +extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, u32, int); +extern int zfcp_erp_adapter_reopen(struct zfcp_adapter *, int); +extern int zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int); +extern void zfcp_erp_adapter_failed(struct zfcp_adapter *); + +extern void zfcp_erp_modify_port_status(struct zfcp_port *, u32, int); +extern int zfcp_erp_port_reopen(struct zfcp_port *, int); +extern int zfcp_erp_port_shutdown(struct zfcp_port *, int); +extern int zfcp_erp_port_forced_reopen(struct zfcp_port *, int); +extern void zfcp_erp_port_failed(struct zfcp_port *); +extern int zfcp_erp_port_reopen_all(struct zfcp_adapter *, int); + +extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, u32, int); +extern int zfcp_erp_unit_reopen(struct zfcp_unit *, int); +extern int zfcp_erp_unit_shutdown(struct zfcp_unit *, int); +extern void zfcp_erp_unit_failed(struct zfcp_unit *); + +extern int zfcp_erp_thread_setup(struct zfcp_adapter *); +extern int zfcp_erp_thread_kill(struct zfcp_adapter *); +extern int zfcp_erp_wait(struct zfcp_adapter *); +extern int zfcp_erp_async_handler(struct zfcp_erp_action *, unsigned long); + +extern int zfcp_test_link(struct zfcp_port *); + +extern void zfcp_erp_port_access_denied(struct zfcp_port *); +extern void zfcp_erp_unit_access_denied(struct zfcp_unit *); +extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *); +extern void zfcp_erp_port_access_changed(struct zfcp_port *); +extern void zfcp_erp_unit_access_changed(struct zfcp_unit *); + +/******************************** AUX ****************************************/ +extern void zfcp_cmd_dbf_event_fsf(const char *, struct zfcp_fsf_req *, + void *, int); +extern void zfcp_cmd_dbf_event_scsi(const char *, struct scsi_cmnd *); +extern void zfcp_in_els_dbf_event(struct zfcp_adapter *, const char *, + struct fsf_status_read_buffer *, int); +#endif /* ZFCP_EXT_H */ |