1 /* 2 * Copyright (c) 2005-2010 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 "bfa_fcs.h" 22 23 #define FCPI_NAME " fcpim" 24 25 #ifndef KOBJ_NAME_LEN 26 #define KOBJ_NAME_LEN 20 27 #endif 28 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); 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); 35 void bfad_im_port_clean(struct bfad_im_port_s *im_port); 36 int bfad_im_scsi_host_alloc(struct bfad_s *bfad, 37 struct bfad_im_port_s *im_port, struct device *dev); 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 47 48 /* 49 * itnim flags 50 */ 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; 63 u16 flags; 64 struct list_head binding_list; 65 struct Scsi_Host *shost; 66 struct list_head itnim_mapped_list; 67 struct fc_vport *fc_vport; 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; 117 char drv_workq_name[KOBJ_NAME_LEN]; 118 }; 119 120 struct Scsi_Host *bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port, 121 struct bfad_s *); 122 bfa_status_t bfad_os_thread_workq(struct bfad_s *bfad); 123 void bfad_os_destroy_workq(struct bfad_im_s *im); 124 void bfad_os_fc_host_init(struct bfad_im_port_s *im_port); 125 void bfad_os_scsi_host_free(struct bfad_s *bfad, 126 struct bfad_im_port_s *im_port); 127 void bfad_os_ramp_up_qdepth(struct bfad_itnim_s *itnim, 128 struct scsi_device *sdev); 129 void bfad_os_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev); 130 struct bfad_itnim_s *bfad_os_get_itnim(struct bfad_im_port_s *im_port, int id); 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; 135 extern struct fc_function_template bfad_im_vport_fc_function_template; 136 extern struct scsi_transport_template *bfad_im_scsi_transport_template; 137 extern struct scsi_transport_template *bfad_im_scsi_vport_transport_template; 138 139 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); 143 144 /* Firmware releated */ 145 #define BFAD_FW_FILE_CT_FC "ctfw_fc.bin" 146 #define BFAD_FW_FILE_CT_CNA "ctfw_cna.bin" 147 #define BFAD_FW_FILE_CB_FC "cbfw_fc.bin" 148 149 u32 *bfad_get_firmware_buf(struct pci_dev *pdev); 150 u32 *bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, 151 u32 *bfi_image_size, char *fw_name); 152 153 static inline u32 * 154 bfad_load_fwimg(struct pci_dev *pdev) 155 { 156 return bfad_get_firmware_buf(pdev); 157 } 158 159 static inline void 160 bfad_free_fwimg(void) 161 { 162 if (bfi_image_ct_fc_size && bfi_image_ct_fc) 163 vfree(bfi_image_ct_fc); 164 if (bfi_image_ct_cna_size && bfi_image_ct_cna) 165 vfree(bfi_image_ct_cna); 166 if (bfi_image_cb_fc_size && bfi_image_cb_fc) 167 vfree(bfi_image_cb_fc); 168 } 169 #endif 170