diff options
Diffstat (limited to 'drivers/scsi/bfa/bfad_im.h')
| -rw-r--r-- | drivers/scsi/bfa/bfad_im.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfad_im.h b/drivers/scsi/bfa/bfad_im.h new file mode 100644 index 000000000000..189a5b29e21a --- /dev/null +++ b/drivers/scsi/bfa/bfad_im.h @@ -0,0 +1,150 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * 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. + */ + +#ifndef __BFAD_IM_H__ +#define __BFAD_IM_H__ + +#include "fcs/bfa_fcs_fcpim.h" +#include "bfad_im_compat.h" + +#define FCPI_NAME " fcpim" + +void bfad_flags_set(struct bfad_s *bfad, u32 flags); +bfa_status_t bfad_im_module_init(void); +void bfad_im_module_exit(void); +bfa_status_t bfad_im_probe(struct bfad_s *bfad); +void bfad_im_probe_undo(struct bfad_s *bfad); +void bfad_im_probe_post(struct bfad_im_s *im); +bfa_status_t bfad_im_port_new(struct bfad_s *bfad, struct bfad_port_s *port); +void bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port); +void bfad_im_port_online(struct bfad_s *bfad, struct bfad_port_s *port); +void bfad_im_port_offline(struct bfad_s *bfad, struct bfad_port_s *port); +void bfad_im_port_clean(struct bfad_im_port_s *im_port); +int bfad_im_scsi_host_alloc(struct bfad_s *bfad, + struct bfad_im_port_s *im_port); +void bfad_im_scsi_host_free(struct bfad_s *bfad, + struct bfad_im_port_s *im_port); + +#define MAX_FCP_TARGET 1024 +#define MAX_FCP_LUN 16384 +#define BFAD_TARGET_RESET_TMO 60 +#define BFAD_LUN_RESET_TMO 60 +#define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code) +#define BFA_QUEUE_FULL_RAMP_UP_TIME 120 +#define BFAD_KOBJ_NAME_LEN 20 + +/* + * itnim flags + */ +#define ITNIM_MAPPED 0x00000001 + +#define SCSI_TASK_MGMT 0x00000001 +#define IO_DONE_BIT 0 + +struct bfad_itnim_data_s { + struct bfad_itnim_s *itnim; +}; + +struct bfad_im_port_s { + struct bfad_s *bfad; + struct bfad_port_s *port; + struct work_struct port_delete_work; + int idr_id; + u16 cur_scsi_id; + struct list_head binding_list; + struct Scsi_Host *shost; + struct list_head itnim_mapped_list; +}; + +enum bfad_itnim_state { + ITNIM_STATE_NONE, + ITNIM_STATE_ONLINE, + ITNIM_STATE_OFFLINE_PENDING, + ITNIM_STATE_OFFLINE, + ITNIM_STATE_TIMEOUT, + ITNIM_STATE_FREE, +}; + +/* + * Per itnim data structure + */ +struct bfad_itnim_s { + struct list_head list_entry; + struct bfa_fcs_itnim_s fcs_itnim; + struct work_struct itnim_work; + u32 flags; + enum bfad_itnim_state state; + struct bfad_im_s *im; + struct bfad_im_port_s *im_port; + struct bfad_rport_s *drv_rport; + struct fc_rport *fc_rport; + struct bfa_itnim_s *bfa_itnim; + u16 scsi_tgt_id; + u16 queue_work; + unsigned long last_ramp_up_time; + unsigned long last_queue_full_time; +}; + +enum bfad_binding_type { + FCP_PWWN_BINDING = 0x1, + FCP_NWWN_BINDING = 0x2, + FCP_FCID_BINDING = 0x3, +}; + +struct bfad_fcp_binding { + struct list_head list_entry; + enum bfad_binding_type binding_type; + u16 scsi_target_id; + u32 fc_id; + wwn_t nwwn; + wwn_t pwwn; +}; + +struct bfad_im_s { + struct bfad_s *bfad; + struct workqueue_struct *drv_workq; + char drv_workq_name[BFAD_KOBJ_NAME_LEN]; +}; + +struct Scsi_Host *bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port, + struct bfad_s *); +bfa_status_t bfad_os_thread_workq(struct bfad_s *bfad); +void bfad_os_destroy_workq(struct bfad_im_s *im); +void bfad_os_itnim_process(struct bfad_itnim_s *itnim_drv); +void bfad_os_fc_host_init(struct bfad_im_port_s *im_port); +void bfad_os_init_work(struct bfad_im_port_s *im_port); +void bfad_os_scsi_host_free(struct bfad_s *bfad, + struct bfad_im_port_s *im_port); +void bfad_os_ramp_up_qdepth(struct bfad_itnim_s *itnim, + struct scsi_device *sdev); +void bfad_os_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev); +struct bfad_itnim_s *bfad_os_get_itnim(struct bfad_im_port_s *im_port, int id); +int bfad_os_scsi_add_host(struct Scsi_Host *shost, + struct bfad_im_port_s *im_port, struct bfad_s *bfad); + +/* + * scsi_host_template entries + */ +void bfad_im_itnim_unmap(struct bfad_im_port_s *im_port, + struct bfad_itnim_s *itnim); + +extern struct scsi_host_template bfad_im_scsi_host_template; +extern struct scsi_host_template bfad_im_vport_template; +extern struct fc_function_template bfad_im_fc_function_template; +extern struct scsi_transport_template *bfad_im_scsi_transport_template; + +#endif |