Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 3 | * All rights reserved |
| 4 | * www.brocade.com |
| 5 | * |
| 6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License (GPL) Version 2 as |
| 10 | * published by the Free Software Foundation |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | */ |
| 17 | |
| 18 | #ifndef __BFAD_IM_H__ |
| 19 | #define __BFAD_IM_H__ |
| 20 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 21 | #include "bfa_fcs.h" |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 22 | |
| 23 | #define FCPI_NAME " fcpim" |
| 24 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 25 | #ifndef KOBJ_NAME_LEN |
| 26 | #define KOBJ_NAME_LEN 20 |
| 27 | #endif |
| 28 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 29 | bfa_status_t bfad_im_module_init(void); |
| 30 | void bfad_im_module_exit(void); |
| 31 | bfa_status_t bfad_im_probe(struct bfad_s *bfad); |
| 32 | void bfad_im_probe_undo(struct bfad_s *bfad); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 33 | bfa_status_t bfad_im_port_new(struct bfad_s *bfad, struct bfad_port_s *port); |
| 34 | void bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 35 | void bfad_im_port_clean(struct bfad_im_port_s *im_port); |
| 36 | int bfad_im_scsi_host_alloc(struct bfad_s *bfad, |
Jing Huang | b504293 | 2010-03-19 11:05:39 -0700 | [diff] [blame] | 37 | struct bfad_im_port_s *im_port, struct device *dev); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 38 | void bfad_im_scsi_host_free(struct bfad_s *bfad, |
| 39 | struct bfad_im_port_s *im_port); |
| 40 | |
| 41 | #define MAX_FCP_TARGET 1024 |
| 42 | #define MAX_FCP_LUN 16384 |
| 43 | #define BFAD_TARGET_RESET_TMO 60 |
| 44 | #define BFAD_LUN_RESET_TMO 60 |
| 45 | #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code) |
| 46 | #define BFA_QUEUE_FULL_RAMP_UP_TIME 120 |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 47 | |
| 48 | /* |
| 49 | * itnim flags |
| 50 | */ |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 51 | #define IO_DONE_BIT 0 |
| 52 | |
| 53 | struct bfad_itnim_data_s { |
| 54 | struct bfad_itnim_s *itnim; |
| 55 | }; |
| 56 | |
| 57 | struct bfad_im_port_s { |
| 58 | struct bfad_s *bfad; |
| 59 | struct bfad_port_s *port; |
| 60 | struct work_struct port_delete_work; |
| 61 | int idr_id; |
| 62 | u16 cur_scsi_id; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 63 | u16 flags; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 64 | struct list_head binding_list; |
| 65 | struct Scsi_Host *shost; |
| 66 | struct list_head itnim_mapped_list; |
Jing Huang | b504293 | 2010-03-19 11:05:39 -0700 | [diff] [blame] | 67 | struct fc_vport *fc_vport; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 68 | }; |
| 69 | |
| 70 | enum bfad_itnim_state { |
| 71 | ITNIM_STATE_NONE, |
| 72 | ITNIM_STATE_ONLINE, |
| 73 | ITNIM_STATE_OFFLINE_PENDING, |
| 74 | ITNIM_STATE_OFFLINE, |
| 75 | ITNIM_STATE_TIMEOUT, |
| 76 | ITNIM_STATE_FREE, |
| 77 | }; |
| 78 | |
| 79 | /* |
| 80 | * Per itnim data structure |
| 81 | */ |
| 82 | struct bfad_itnim_s { |
| 83 | struct list_head list_entry; |
| 84 | struct bfa_fcs_itnim_s fcs_itnim; |
| 85 | struct work_struct itnim_work; |
| 86 | u32 flags; |
| 87 | enum bfad_itnim_state state; |
| 88 | struct bfad_im_s *im; |
| 89 | struct bfad_im_port_s *im_port; |
| 90 | struct bfad_rport_s *drv_rport; |
| 91 | struct fc_rport *fc_rport; |
| 92 | struct bfa_itnim_s *bfa_itnim; |
| 93 | u16 scsi_tgt_id; |
| 94 | u16 queue_work; |
| 95 | unsigned long last_ramp_up_time; |
| 96 | unsigned long last_queue_full_time; |
| 97 | }; |
| 98 | |
| 99 | enum bfad_binding_type { |
| 100 | FCP_PWWN_BINDING = 0x1, |
| 101 | FCP_NWWN_BINDING = 0x2, |
| 102 | FCP_FCID_BINDING = 0x3, |
| 103 | }; |
| 104 | |
| 105 | struct bfad_fcp_binding { |
| 106 | struct list_head list_entry; |
| 107 | enum bfad_binding_type binding_type; |
| 108 | u16 scsi_target_id; |
| 109 | u32 fc_id; |
| 110 | wwn_t nwwn; |
| 111 | wwn_t pwwn; |
| 112 | }; |
| 113 | |
| 114 | struct bfad_im_s { |
| 115 | struct bfad_s *bfad; |
| 116 | struct workqueue_struct *drv_workq; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 117 | char drv_workq_name[KOBJ_NAME_LEN]; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 118 | }; |
| 119 | |
Maggie Zhang | f16a175 | 2010-12-09 19:12:32 -0800 | [diff] [blame] | 120 | struct Scsi_Host *bfad_scsi_host_alloc(struct bfad_im_port_s *im_port, |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 121 | struct bfad_s *); |
Maggie Zhang | f16a175 | 2010-12-09 19:12:32 -0800 | [diff] [blame] | 122 | bfa_status_t bfad_thread_workq(struct bfad_s *bfad); |
| 123 | void bfad_destroy_workq(struct bfad_im_s *im); |
| 124 | void bfad_fc_host_init(struct bfad_im_port_s *im_port); |
| 125 | void bfad_scsi_host_free(struct bfad_s *bfad, |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 126 | struct bfad_im_port_s *im_port); |
Maggie Zhang | f16a175 | 2010-12-09 19:12:32 -0800 | [diff] [blame] | 127 | void bfad_ramp_up_qdepth(struct bfad_itnim_s *itnim, |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 128 | struct scsi_device *sdev); |
Maggie Zhang | f16a175 | 2010-12-09 19:12:32 -0800 | [diff] [blame] | 129 | void bfad_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev); |
| 130 | struct bfad_itnim_s *bfad_get_itnim(struct bfad_im_port_s *im_port, int id); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 131 | |
| 132 | extern struct scsi_host_template bfad_im_scsi_host_template; |
| 133 | extern struct scsi_host_template bfad_im_vport_template; |
| 134 | extern struct fc_function_template bfad_im_fc_function_template; |
Jing Huang | b504293 | 2010-03-19 11:05:39 -0700 | [diff] [blame] | 135 | extern struct fc_function_template bfad_im_vport_fc_function_template; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 136 | extern struct scsi_transport_template *bfad_im_scsi_transport_template; |
Jing Huang | b504293 | 2010-03-19 11:05:39 -0700 | [diff] [blame] | 137 | extern struct scsi_transport_template *bfad_im_scsi_vport_transport_template; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 138 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 139 | extern struct device_attribute *bfad_im_host_attrs[]; |
| 140 | extern struct device_attribute *bfad_im_vport_attrs[]; |
| 141 | |
| 142 | irqreturn_t bfad_intx(int irq, void *dev_id); |
| 143 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 144 | #endif |