17725ccfdSJing Huang /* 2a36c61f9SKrishna Gudipati * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. 37725ccfdSJing Huang * All rights reserved 47725ccfdSJing Huang * www.brocade.com 57725ccfdSJing Huang * 67725ccfdSJing Huang * Linux driver for Brocade Fibre Channel Host Bus Adapter. 77725ccfdSJing Huang * 87725ccfdSJing Huang * This program is free software; you can redistribute it and/or modify it 97725ccfdSJing Huang * under the terms of the GNU General Public License (GPL) Version 2 as 107725ccfdSJing Huang * published by the Free Software Foundation 117725ccfdSJing Huang * 127725ccfdSJing Huang * This program is distributed in the hope that it will be useful, but 137725ccfdSJing Huang * WITHOUT ANY WARRANTY; without even the implied warranty of 147725ccfdSJing Huang * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 157725ccfdSJing Huang * General Public License for more details. 167725ccfdSJing Huang */ 177725ccfdSJing Huang 187725ccfdSJing Huang #ifndef __BFAD_IM_H__ 197725ccfdSJing Huang #define __BFAD_IM_H__ 207725ccfdSJing Huang 21a36c61f9SKrishna Gudipati #include "bfa_fcs.h" 227725ccfdSJing Huang 237725ccfdSJing Huang #define FCPI_NAME " fcpim" 247725ccfdSJing Huang 25a36c61f9SKrishna Gudipati #ifndef KOBJ_NAME_LEN 26a36c61f9SKrishna Gudipati #define KOBJ_NAME_LEN 20 27a36c61f9SKrishna Gudipati #endif 28a36c61f9SKrishna Gudipati 297725ccfdSJing Huang bfa_status_t bfad_im_module_init(void); 307725ccfdSJing Huang void bfad_im_module_exit(void); 317725ccfdSJing Huang bfa_status_t bfad_im_probe(struct bfad_s *bfad); 327725ccfdSJing Huang void bfad_im_probe_undo(struct bfad_s *bfad); 337725ccfdSJing Huang bfa_status_t bfad_im_port_new(struct bfad_s *bfad, struct bfad_port_s *port); 347725ccfdSJing Huang void bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port); 357725ccfdSJing Huang void bfad_im_port_clean(struct bfad_im_port_s *im_port); 367725ccfdSJing Huang int bfad_im_scsi_host_alloc(struct bfad_s *bfad, 37b504293fSJing Huang struct bfad_im_port_s *im_port, struct device *dev); 387725ccfdSJing Huang void bfad_im_scsi_host_free(struct bfad_s *bfad, 397725ccfdSJing Huang struct bfad_im_port_s *im_port); 407725ccfdSJing Huang 417725ccfdSJing Huang #define MAX_FCP_TARGET 1024 427725ccfdSJing Huang #define MAX_FCP_LUN 16384 437725ccfdSJing Huang #define BFAD_TARGET_RESET_TMO 60 447725ccfdSJing Huang #define BFAD_LUN_RESET_TMO 60 457725ccfdSJing Huang #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code) 467725ccfdSJing Huang #define BFA_QUEUE_FULL_RAMP_UP_TIME 120 477725ccfdSJing Huang 487725ccfdSJing Huang /* 497725ccfdSJing Huang * itnim flags 507725ccfdSJing Huang */ 517725ccfdSJing Huang #define IO_DONE_BIT 0 527725ccfdSJing Huang 537725ccfdSJing Huang struct bfad_itnim_data_s { 547725ccfdSJing Huang struct bfad_itnim_s *itnim; 557725ccfdSJing Huang }; 567725ccfdSJing Huang 577725ccfdSJing Huang struct bfad_im_port_s { 587725ccfdSJing Huang struct bfad_s *bfad; 597725ccfdSJing Huang struct bfad_port_s *port; 607725ccfdSJing Huang struct work_struct port_delete_work; 617725ccfdSJing Huang int idr_id; 627725ccfdSJing Huang u16 cur_scsi_id; 63b504293fSJing Huang u16 flags; 647725ccfdSJing Huang struct list_head binding_list; 657725ccfdSJing Huang struct Scsi_Host *shost; 667725ccfdSJing Huang struct list_head itnim_mapped_list; 67b504293fSJing Huang struct fc_vport *fc_vport; 687725ccfdSJing Huang }; 697725ccfdSJing Huang 707725ccfdSJing Huang enum bfad_itnim_state { 717725ccfdSJing Huang ITNIM_STATE_NONE, 727725ccfdSJing Huang ITNIM_STATE_ONLINE, 737725ccfdSJing Huang ITNIM_STATE_OFFLINE_PENDING, 747725ccfdSJing Huang ITNIM_STATE_OFFLINE, 757725ccfdSJing Huang ITNIM_STATE_TIMEOUT, 767725ccfdSJing Huang ITNIM_STATE_FREE, 777725ccfdSJing Huang }; 787725ccfdSJing Huang 797725ccfdSJing Huang /* 807725ccfdSJing Huang * Per itnim data structure 817725ccfdSJing Huang */ 827725ccfdSJing Huang struct bfad_itnim_s { 837725ccfdSJing Huang struct list_head list_entry; 847725ccfdSJing Huang struct bfa_fcs_itnim_s fcs_itnim; 857725ccfdSJing Huang struct work_struct itnim_work; 867725ccfdSJing Huang u32 flags; 877725ccfdSJing Huang enum bfad_itnim_state state; 887725ccfdSJing Huang struct bfad_im_s *im; 897725ccfdSJing Huang struct bfad_im_port_s *im_port; 907725ccfdSJing Huang struct bfad_rport_s *drv_rport; 917725ccfdSJing Huang struct fc_rport *fc_rport; 927725ccfdSJing Huang struct bfa_itnim_s *bfa_itnim; 937725ccfdSJing Huang u16 scsi_tgt_id; 947725ccfdSJing Huang u16 queue_work; 957725ccfdSJing Huang unsigned long last_ramp_up_time; 967725ccfdSJing Huang unsigned long last_queue_full_time; 977725ccfdSJing Huang }; 987725ccfdSJing Huang 997725ccfdSJing Huang enum bfad_binding_type { 1007725ccfdSJing Huang FCP_PWWN_BINDING = 0x1, 1017725ccfdSJing Huang FCP_NWWN_BINDING = 0x2, 1027725ccfdSJing Huang FCP_FCID_BINDING = 0x3, 1037725ccfdSJing Huang }; 1047725ccfdSJing Huang 1057725ccfdSJing Huang struct bfad_fcp_binding { 1067725ccfdSJing Huang struct list_head list_entry; 1077725ccfdSJing Huang enum bfad_binding_type binding_type; 1087725ccfdSJing Huang u16 scsi_target_id; 1097725ccfdSJing Huang u32 fc_id; 1107725ccfdSJing Huang wwn_t nwwn; 1117725ccfdSJing Huang wwn_t pwwn; 1127725ccfdSJing Huang }; 1137725ccfdSJing Huang 1147725ccfdSJing Huang struct bfad_im_s { 1157725ccfdSJing Huang struct bfad_s *bfad; 1167725ccfdSJing Huang struct workqueue_struct *drv_workq; 117a36c61f9SKrishna Gudipati char drv_workq_name[KOBJ_NAME_LEN]; 1187826f304SKrishna Gudipati struct work_struct aen_im_notify_work; 1197725ccfdSJing Huang }; 1207725ccfdSJing Huang 1217826f304SKrishna Gudipati #define bfad_get_aen_entry(_drv, _entry) do { \ 1227826f304SKrishna Gudipati unsigned long _flags; \ 1237826f304SKrishna Gudipati spin_lock_irqsave(&(_drv)->bfad_aen_spinlock, _flags); \ 1247826f304SKrishna Gudipati bfa_q_deq(&(_drv)->free_aen_q, &(_entry)); \ 1257826f304SKrishna Gudipati if (_entry) \ 1267826f304SKrishna Gudipati list_add_tail(&(_entry)->qe, &(_drv)->active_aen_q); \ 1277826f304SKrishna Gudipati spin_unlock_irqrestore(&(_drv)->bfad_aen_spinlock, _flags); \ 1287826f304SKrishna Gudipati } while (0) 1297826f304SKrishna Gudipati 1307826f304SKrishna Gudipati /* post fc_host vendor event */ 1317826f304SKrishna Gudipati #define bfad_im_post_vendor_event(_entry, _drv, _cnt, _cat, _evt) do { \ 1327826f304SKrishna Gudipati do_gettimeofday(&(_entry)->aen_tv); \ 1337826f304SKrishna Gudipati (_entry)->bfad_num = (_drv)->inst_no; \ 1347826f304SKrishna Gudipati (_entry)->seq_num = (_cnt); \ 1357826f304SKrishna Gudipati (_entry)->aen_category = (_cat); \ 1367826f304SKrishna Gudipati (_entry)->aen_type = (_evt); \ 1377826f304SKrishna Gudipati if ((_drv)->bfad_flags & BFAD_FC4_PROBE_DONE) \ 1387826f304SKrishna Gudipati queue_work((_drv)->im->drv_workq, \ 1397826f304SKrishna Gudipati &(_drv)->im->aen_im_notify_work); \ 1407826f304SKrishna Gudipati } while (0) 1417826f304SKrishna Gudipati 142f16a1750SMaggie Zhang struct Scsi_Host *bfad_scsi_host_alloc(struct bfad_im_port_s *im_port, 1437725ccfdSJing Huang struct bfad_s *); 144f16a1750SMaggie Zhang bfa_status_t bfad_thread_workq(struct bfad_s *bfad); 145f16a1750SMaggie Zhang void bfad_destroy_workq(struct bfad_im_s *im); 146f16a1750SMaggie Zhang void bfad_fc_host_init(struct bfad_im_port_s *im_port); 147f16a1750SMaggie Zhang void bfad_scsi_host_free(struct bfad_s *bfad, 1487725ccfdSJing Huang struct bfad_im_port_s *im_port); 149f16a1750SMaggie Zhang void bfad_ramp_up_qdepth(struct bfad_itnim_s *itnim, 1507725ccfdSJing Huang struct scsi_device *sdev); 151f16a1750SMaggie Zhang void bfad_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev); 152f16a1750SMaggie Zhang struct bfad_itnim_s *bfad_get_itnim(struct bfad_im_port_s *im_port, int id); 1537725ccfdSJing Huang 1547725ccfdSJing Huang extern struct scsi_host_template bfad_im_scsi_host_template; 1557725ccfdSJing Huang extern struct scsi_host_template bfad_im_vport_template; 1567725ccfdSJing Huang extern struct fc_function_template bfad_im_fc_function_template; 157b504293fSJing Huang extern struct fc_function_template bfad_im_vport_fc_function_template; 1587725ccfdSJing Huang extern struct scsi_transport_template *bfad_im_scsi_transport_template; 159b504293fSJing Huang extern struct scsi_transport_template *bfad_im_scsi_vport_transport_template; 1607725ccfdSJing Huang 161a36c61f9SKrishna Gudipati extern struct device_attribute *bfad_im_host_attrs[]; 162a36c61f9SKrishna Gudipati extern struct device_attribute *bfad_im_vport_attrs[]; 163a36c61f9SKrishna Gudipati 164a36c61f9SKrishna Gudipati irqreturn_t bfad_intx(int irq, void *dev_id); 165a36c61f9SKrishna Gudipati 166b85daafeSKrishna Gudipati int bfad_im_bsg_request(struct fc_bsg_job *job); 167b85daafeSKrishna Gudipati int bfad_im_bsg_timeout(struct fc_bsg_job *job); 168b85daafeSKrishna Gudipati 1697725ccfdSJing Huang #endif 170