Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. |
| 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 | |
| 21 | #include "fcs/bfa_fcs_fcpim.h" |
| 22 | #include "bfad_im_compat.h" |
| 23 | |
| 24 | #define FCPI_NAME " fcpim" |
| 25 | |
| 26 | void bfad_flags_set(struct bfad_s *bfad, u32 flags); |
| 27 | bfa_status_t bfad_im_module_init(void); |
| 28 | void bfad_im_module_exit(void); |
| 29 | bfa_status_t bfad_im_probe(struct bfad_s *bfad); |
| 30 | void bfad_im_probe_undo(struct bfad_s *bfad); |
| 31 | void bfad_im_probe_post(struct bfad_im_s *im); |
| 32 | bfa_status_t bfad_im_port_new(struct bfad_s *bfad, struct bfad_port_s *port); |
| 33 | void bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port); |
| 34 | void bfad_im_port_online(struct bfad_s *bfad, struct bfad_port_s *port); |
| 35 | void bfad_im_port_offline(struct bfad_s *bfad, struct bfad_port_s *port); |
| 36 | void bfad_im_port_clean(struct bfad_im_port_s *im_port); |
| 37 | int bfad_im_scsi_host_alloc(struct bfad_s *bfad, |
| 38 | struct bfad_im_port_s *im_port); |
| 39 | void bfad_im_scsi_host_free(struct bfad_s *bfad, |
| 40 | struct bfad_im_port_s *im_port); |
| 41 | |
| 42 | #define MAX_FCP_TARGET 1024 |
| 43 | #define MAX_FCP_LUN 16384 |
| 44 | #define BFAD_TARGET_RESET_TMO 60 |
| 45 | #define BFAD_LUN_RESET_TMO 60 |
| 46 | #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code) |
| 47 | #define BFA_QUEUE_FULL_RAMP_UP_TIME 120 |
| 48 | #define BFAD_KOBJ_NAME_LEN 20 |
| 49 | |
| 50 | /* |
| 51 | * itnim flags |
| 52 | */ |
| 53 | #define ITNIM_MAPPED 0x00000001 |
| 54 | |
| 55 | #define SCSI_TASK_MGMT 0x00000001 |
| 56 | #define IO_DONE_BIT 0 |
| 57 | |
| 58 | struct bfad_itnim_data_s { |
| 59 | struct bfad_itnim_s *itnim; |
| 60 | }; |
| 61 | |
| 62 | struct bfad_im_port_s { |
| 63 | struct bfad_s *bfad; |
| 64 | struct bfad_port_s *port; |
| 65 | struct work_struct port_delete_work; |
| 66 | int idr_id; |
| 67 | u16 cur_scsi_id; |
| 68 | struct list_head binding_list; |
| 69 | struct Scsi_Host *shost; |
| 70 | struct list_head itnim_mapped_list; |
| 71 | }; |
| 72 | |
| 73 | enum bfad_itnim_state { |
| 74 | ITNIM_STATE_NONE, |
| 75 | ITNIM_STATE_ONLINE, |
| 76 | ITNIM_STATE_OFFLINE_PENDING, |
| 77 | ITNIM_STATE_OFFLINE, |
| 78 | ITNIM_STATE_TIMEOUT, |
| 79 | ITNIM_STATE_FREE, |
| 80 | }; |
| 81 | |
| 82 | /* |
| 83 | * Per itnim data structure |
| 84 | */ |
| 85 | struct bfad_itnim_s { |
| 86 | struct list_head list_entry; |
| 87 | struct bfa_fcs_itnim_s fcs_itnim; |
| 88 | struct work_struct itnim_work; |
| 89 | u32 flags; |
| 90 | enum bfad_itnim_state state; |
| 91 | struct bfad_im_s *im; |
| 92 | struct bfad_im_port_s *im_port; |
| 93 | struct bfad_rport_s *drv_rport; |
| 94 | struct fc_rport *fc_rport; |
| 95 | struct bfa_itnim_s *bfa_itnim; |
| 96 | u16 scsi_tgt_id; |
| 97 | u16 queue_work; |
| 98 | unsigned long last_ramp_up_time; |
| 99 | unsigned long last_queue_full_time; |
| 100 | }; |
| 101 | |
| 102 | enum bfad_binding_type { |
| 103 | FCP_PWWN_BINDING = 0x1, |
| 104 | FCP_NWWN_BINDING = 0x2, |
| 105 | FCP_FCID_BINDING = 0x3, |
| 106 | }; |
| 107 | |
| 108 | struct bfad_fcp_binding { |
| 109 | struct list_head list_entry; |
| 110 | enum bfad_binding_type binding_type; |
| 111 | u16 scsi_target_id; |
| 112 | u32 fc_id; |
| 113 | wwn_t nwwn; |
| 114 | wwn_t pwwn; |
| 115 | }; |
| 116 | |
| 117 | struct bfad_im_s { |
| 118 | struct bfad_s *bfad; |
| 119 | struct workqueue_struct *drv_workq; |
| 120 | char drv_workq_name[BFAD_KOBJ_NAME_LEN]; |
| 121 | }; |
| 122 | |
| 123 | struct Scsi_Host *bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port, |
| 124 | struct bfad_s *); |
| 125 | bfa_status_t bfad_os_thread_workq(struct bfad_s *bfad); |
| 126 | void bfad_os_destroy_workq(struct bfad_im_s *im); |
| 127 | void bfad_os_itnim_process(struct bfad_itnim_s *itnim_drv); |
| 128 | void bfad_os_fc_host_init(struct bfad_im_port_s *im_port); |
| 129 | void bfad_os_init_work(struct bfad_im_port_s *im_port); |
| 130 | void bfad_os_scsi_host_free(struct bfad_s *bfad, |
| 131 | struct bfad_im_port_s *im_port); |
| 132 | void bfad_os_ramp_up_qdepth(struct bfad_itnim_s *itnim, |
| 133 | struct scsi_device *sdev); |
| 134 | void bfad_os_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev); |
| 135 | struct bfad_itnim_s *bfad_os_get_itnim(struct bfad_im_port_s *im_port, int id); |
| 136 | int bfad_os_scsi_add_host(struct Scsi_Host *shost, |
| 137 | struct bfad_im_port_s *im_port, struct bfad_s *bfad); |
| 138 | |
| 139 | /* |
| 140 | * scsi_host_template entries |
| 141 | */ |
| 142 | void bfad_im_itnim_unmap(struct bfad_im_port_s *im_port, |
| 143 | struct bfad_itnim_s *itnim); |
| 144 | |
| 145 | extern struct scsi_host_template bfad_im_scsi_host_template; |
| 146 | extern struct scsi_host_template bfad_im_vport_template; |
| 147 | extern struct fc_function_template bfad_im_fc_function_template; |
| 148 | extern struct scsi_transport_template *bfad_im_scsi_transport_template; |
| 149 | |
| 150 | #endif |