Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 1 | #ifndef _BNX2FC_H_ |
| 2 | #define _BNX2FC_H_ |
| 3 | /* bnx2fc.h: Broadcom NetXtreme II Linux FCoE offload driver. |
| 4 | * |
Bhanu Prakash Gollapudi | 9b35baa | 2011-07-27 11:32:13 -0700 | [diff] [blame] | 5 | * Copyright (c) 2008 - 2011 Broadcom Corporation |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation. |
| 10 | * |
| 11 | * Written by: Bhanu Prakash Gollapudi (bprakash@broadcom.com) |
| 12 | */ |
| 13 | |
| 14 | #include <linux/module.h> |
| 15 | #include <linux/moduleparam.h> |
| 16 | #include <linux/kernel.h> |
| 17 | #include <linux/skbuff.h> |
| 18 | #include <linux/netdevice.h> |
| 19 | #include <linux/etherdevice.h> |
| 20 | #include <linux/if_ether.h> |
| 21 | #include <linux/if_vlan.h> |
| 22 | #include <linux/kthread.h> |
| 23 | #include <linux/crc32.h> |
| 24 | #include <linux/cpu.h> |
| 25 | #include <linux/types.h> |
| 26 | #include <linux/list.h> |
| 27 | #include <linux/delay.h> |
| 28 | #include <linux/timer.h> |
| 29 | #include <linux/errno.h> |
| 30 | #include <linux/pci.h> |
| 31 | #include <linux/init.h> |
| 32 | #include <linux/dma-mapping.h> |
| 33 | #include <linux/workqueue.h> |
| 34 | #include <linux/mutex.h> |
| 35 | #include <linux/spinlock.h> |
| 36 | #include <linux/bitops.h> |
| 37 | #include <linux/log2.h> |
| 38 | #include <linux/interrupt.h> |
| 39 | #include <linux/sched.h> |
| 40 | #include <linux/io.h> |
| 41 | |
| 42 | #include <scsi/scsi.h> |
| 43 | #include <scsi/scsi_host.h> |
| 44 | #include <scsi/scsi_device.h> |
| 45 | #include <scsi/scsi_cmnd.h> |
| 46 | #include <scsi/scsi_eh.h> |
| 47 | #include <scsi/scsi_tcq.h> |
| 48 | #include <scsi/libfc.h> |
| 49 | #include <scsi/libfcoe.h> |
| 50 | #include <scsi/fc_encode.h> |
| 51 | #include <scsi/scsi_transport.h> |
| 52 | #include <scsi/scsi_transport_fc.h> |
| 53 | #include <scsi/fc/fc_fip.h> |
| 54 | #include <scsi/fc/fc_fc2.h> |
| 55 | #include <scsi/fc_frame.h> |
| 56 | #include <scsi/fc/fc_fcoe.h> |
| 57 | #include <scsi/fc/fc_fcp.h> |
| 58 | |
| 59 | #include "57xx_hsi_bnx2fc.h" |
| 60 | #include "bnx2fc_debug.h" |
Jeff Kirsher | adfc521 | 2011-04-07 06:03:04 -0700 | [diff] [blame] | 61 | #include "../../net/ethernet/broadcom/cnic_if.h" |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 62 | #include "bnx2fc_constants.h" |
| 63 | |
| 64 | #define BNX2FC_NAME "bnx2fc" |
Bhanu Prakash Gollapudi | 9b35baa | 2011-07-27 11:32:13 -0700 | [diff] [blame] | 65 | #define BNX2FC_VERSION "1.0.4" |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 66 | |
| 67 | #define PFX "bnx2fc: " |
| 68 | |
| 69 | #define BNX2X_DOORBELL_PCI_BAR 2 |
| 70 | |
| 71 | #define BNX2FC_MAX_BD_LEN 0xffff |
| 72 | #define BNX2FC_BD_SPLIT_SZ 0x8000 |
| 73 | #define BNX2FC_MAX_BDS_PER_CMD 256 |
| 74 | |
| 75 | #define BNX2FC_SQ_WQES_MAX 256 |
| 76 | |
| 77 | #define BNX2FC_SCSI_MAX_SQES ((3 * BNX2FC_SQ_WQES_MAX) / 8) |
| 78 | #define BNX2FC_TM_MAX_SQES ((BNX2FC_SQ_WQES_MAX) / 2) |
| 79 | #define BNX2FC_ELS_MAX_SQES (BNX2FC_TM_MAX_SQES - 1) |
| 80 | |
| 81 | #define BNX2FC_RQ_WQES_MAX 16 |
| 82 | #define BNX2FC_CQ_WQES_MAX (BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX) |
| 83 | |
Michael Chan | dc219a2 | 2011-08-26 09:45:39 +0000 | [diff] [blame^] | 84 | #define BNX2FC_NUM_MAX_SESS 1024 |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 85 | #define BNX2FC_NUM_MAX_SESS_LOG (ilog2(BNX2FC_NUM_MAX_SESS)) |
| 86 | |
Bhanu Gollapudi | 0ea5c27 | 2011-03-17 17:13:29 -0700 | [diff] [blame] | 87 | #define BNX2FC_MAX_OUTSTANDING_CMNDS 2048 |
| 88 | #define BNX2FC_CAN_QUEUE BNX2FC_MAX_OUTSTANDING_CMNDS |
| 89 | #define BNX2FC_ELSTM_XIDS BNX2FC_CAN_QUEUE |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 90 | #define BNX2FC_MIN_PAYLOAD 256 |
| 91 | #define BNX2FC_MAX_PAYLOAD 2048 |
Bhanu Gollapudi | 1294bfe | 2011-03-17 17:13:34 -0700 | [diff] [blame] | 92 | #define BNX2FC_MFS \ |
| 93 | (BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header)) |
| 94 | #define BNX2FC_MINI_JUMBO_MTU 2500 |
| 95 | |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 96 | |
| 97 | #define BNX2FC_RQ_BUF_SZ 256 |
| 98 | #define BNX2FC_RQ_BUF_LOG_SZ (ilog2(BNX2FC_RQ_BUF_SZ)) |
| 99 | |
| 100 | #define BNX2FC_SQ_WQE_SIZE (sizeof(struct fcoe_sqe)) |
| 101 | #define BNX2FC_CQ_WQE_SIZE (sizeof(struct fcoe_cqe)) |
| 102 | #define BNX2FC_RQ_WQE_SIZE (BNX2FC_RQ_BUF_SZ) |
| 103 | #define BNX2FC_XFERQ_WQE_SIZE (sizeof(struct fcoe_xfrqe)) |
| 104 | #define BNX2FC_CONFQ_WQE_SIZE (sizeof(struct fcoe_confqe)) |
| 105 | #define BNX2FC_5771X_DB_PAGE_SIZE 128 |
| 106 | |
Bhanu Gollapudi | 0ea5c27 | 2011-03-17 17:13:29 -0700 | [diff] [blame] | 107 | #define BNX2FC_MAX_TASKS \ |
| 108 | (BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS) |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 109 | #define BNX2FC_TASK_SIZE 128 |
| 110 | #define BNX2FC_TASKS_PER_PAGE (PAGE_SIZE/BNX2FC_TASK_SIZE) |
| 111 | #define BNX2FC_TASK_CTX_ARR_SZ (BNX2FC_MAX_TASKS/BNX2FC_TASKS_PER_PAGE) |
| 112 | |
| 113 | #define BNX2FC_MAX_ROWS_IN_HASH_TBL 8 |
| 114 | #define BNX2FC_HASH_TBL_CHUNK_SIZE (16 * 1024) |
| 115 | |
| 116 | #define BNX2FC_MAX_SEQS 255 |
| 117 | |
| 118 | #define BNX2FC_READ (1 << 1) |
| 119 | #define BNX2FC_WRITE (1 << 0) |
| 120 | |
| 121 | #define BNX2FC_MIN_XID 0 |
Bhanu Gollapudi | 0ea5c27 | 2011-03-17 17:13:29 -0700 | [diff] [blame] | 122 | #define BNX2FC_MAX_XID \ |
| 123 | (BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS - 1) |
| 124 | #define FCOE_MIN_XID (BNX2FC_MAX_XID + 1) |
| 125 | #define FCOE_MAX_XID (FCOE_MIN_XID + 4095) |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 126 | #define BNX2FC_MAX_LUN 0xFFFF |
| 127 | #define BNX2FC_MAX_FCP_TGT 256 |
| 128 | #define BNX2FC_MAX_CMD_LEN 16 |
| 129 | |
| 130 | #define BNX2FC_TM_TIMEOUT 60 /* secs */ |
| 131 | #define BNX2FC_IO_TIMEOUT 20000UL /* msecs */ |
| 132 | |
Nithin Nayak Sujir | befc9b4 | 2011-04-25 12:30:10 -0700 | [diff] [blame] | 133 | #define BNX2FC_WAIT_CNT 1200 |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 134 | #define BNX2FC_FW_TIMEOUT (3 * HZ) |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 135 | #define PORT_MAX 2 |
| 136 | |
| 137 | #define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status) |
| 138 | |
| 139 | /* FC FCP Status */ |
| 140 | #define FC_GOOD 0 |
| 141 | |
| 142 | #define BNX2FC_RNID_HBA 0x7 |
| 143 | |
Bhanu Prakash Gollapudi | 7444695 | 2011-07-27 11:32:06 -0700 | [diff] [blame] | 144 | #define SRR_RETRY_COUNT 5 |
| 145 | #define REC_RETRY_COUNT 1 |
Bhanu Prakash Gollapudi | 7b59476 | 2011-07-27 11:32:07 -0700 | [diff] [blame] | 146 | #define BNX2FC_NUM_ERR_BITS 63 |
Bhanu Prakash Gollapudi | 7444695 | 2011-07-27 11:32:06 -0700 | [diff] [blame] | 147 | |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 148 | /* bnx2fc driver uses only one instance of fcoe_percpu_s */ |
| 149 | extern struct fcoe_percpu_s bnx2fc_global; |
| 150 | |
| 151 | extern struct workqueue_struct *bnx2fc_wq; |
| 152 | |
| 153 | struct bnx2fc_percpu_s { |
| 154 | struct task_struct *iothread; |
| 155 | struct list_head work_list; |
| 156 | spinlock_t fp_work_lock; |
| 157 | }; |
| 158 | |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 159 | struct bnx2fc_hba { |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 160 | struct list_head list; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 161 | struct cnic_dev *cnic; |
| 162 | struct pci_dev *pcidev; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 163 | struct net_device *phys_dev; |
| 164 | unsigned long reg_with_cnic; |
| 165 | #define BNX2FC_CNIC_REGISTERED 1 |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 166 | struct bnx2fc_cmd_mgr *cmd_mgr; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 167 | spinlock_t hba_lock; |
| 168 | struct mutex hba_mutex; |
| 169 | unsigned long adapter_state; |
| 170 | #define ADAPTER_STATE_UP 0 |
| 171 | #define ADAPTER_STATE_GOING_DOWN 1 |
| 172 | #define ADAPTER_STATE_LINK_DOWN 2 |
| 173 | #define ADAPTER_STATE_READY 3 |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 174 | unsigned long flags; |
| 175 | #define BNX2FC_FLAG_FW_INIT_DONE 0 |
| 176 | #define BNX2FC_FLAG_DESTROY_CMPL 1 |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 177 | u32 next_conn_id; |
| 178 | struct fcoe_task_ctx_entry **task_ctx; |
| 179 | dma_addr_t *task_ctx_dma; |
| 180 | struct regpair *task_ctx_bd_tbl; |
| 181 | dma_addr_t task_ctx_bd_dma; |
| 182 | |
| 183 | int hash_tbl_segment_count; |
| 184 | void **hash_tbl_segments; |
| 185 | void *hash_tbl_pbl; |
| 186 | dma_addr_t hash_tbl_pbl_dma; |
| 187 | struct fcoe_t2_hash_table_entry *t2_hash_tbl; |
| 188 | dma_addr_t t2_hash_tbl_dma; |
| 189 | char *t2_hash_tbl_ptr; |
| 190 | dma_addr_t t2_hash_tbl_ptr_dma; |
| 191 | |
| 192 | char *dummy_buffer; |
| 193 | dma_addr_t dummy_buf_dma; |
| 194 | |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 195 | /* Active list of offloaded sessions */ |
| 196 | struct bnx2fc_rport **tgt_ofld_list; |
| 197 | |
| 198 | /* statistics */ |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 199 | struct fcoe_statistics_params *stats_buffer; |
| 200 | dma_addr_t stats_buf_dma; |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 201 | struct completion stat_req_done; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 202 | |
| 203 | /*destroy handling */ |
| 204 | struct timer_list destroy_timer; |
| 205 | wait_queue_head_t destroy_wait; |
| 206 | |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 207 | /* linkdown handling */ |
| 208 | wait_queue_head_t shutdown_wait; |
| 209 | int wait_for_link_down; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 210 | int num_ofld_sess; |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 211 | struct list_head vports; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 212 | }; |
| 213 | |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 214 | struct bnx2fc_interface { |
| 215 | struct list_head list; |
| 216 | unsigned long if_flags; |
| 217 | #define BNX2FC_CTLR_INIT_DONE 0 |
| 218 | struct bnx2fc_hba *hba; |
| 219 | struct net_device *netdev; |
| 220 | struct packet_type fcoe_packet_type; |
| 221 | struct packet_type fip_packet_type; |
| 222 | struct workqueue_struct *timer_work_queue; |
| 223 | struct kref kref; |
| 224 | struct fcoe_ctlr ctlr; |
| 225 | u8 vlan_enabled; |
| 226 | int vlan_id; |
| 227 | }; |
| 228 | |
| 229 | #define bnx2fc_from_ctlr(fip) container_of(fip, struct bnx2fc_interface, ctlr) |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 230 | |
Bhanu Prakash Gollapudi | d36b327 | 2011-05-27 11:47:27 -0700 | [diff] [blame] | 231 | struct bnx2fc_lport { |
| 232 | struct list_head list; |
| 233 | struct fc_lport *lport; |
| 234 | }; |
| 235 | |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 236 | struct bnx2fc_cmd_mgr { |
| 237 | struct bnx2fc_hba *hba; |
| 238 | u16 next_idx; |
| 239 | struct list_head *free_list; |
| 240 | spinlock_t *free_list_lock; |
| 241 | struct io_bdt **io_bdt_pool; |
| 242 | struct bnx2fc_cmd **cmds; |
| 243 | }; |
| 244 | |
| 245 | struct bnx2fc_rport { |
| 246 | struct fcoe_port *port; |
| 247 | struct fc_rport *rport; |
| 248 | struct fc_rport_priv *rdata; |
| 249 | void __iomem *ctx_base; |
| 250 | #define DPM_TRIGER_TYPE 0x40 |
Bhanu Prakash Gollapudi | b252f4c | 2011-07-26 14:51:40 -0700 | [diff] [blame] | 251 | u32 io_timeout; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 252 | u32 fcoe_conn_id; |
| 253 | u32 context_id; |
| 254 | u32 sid; |
Bhanu Prakash Gollapudi | b252f4c | 2011-07-26 14:51:40 -0700 | [diff] [blame] | 255 | int dev_type; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 256 | |
| 257 | unsigned long flags; |
| 258 | #define BNX2FC_FLAG_SESSION_READY 0x1 |
| 259 | #define BNX2FC_FLAG_OFFLOADED 0x2 |
| 260 | #define BNX2FC_FLAG_DISABLED 0x3 |
| 261 | #define BNX2FC_FLAG_DESTROYED 0x4 |
| 262 | #define BNX2FC_FLAG_OFLD_REQ_CMPL 0x5 |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 263 | #define BNX2FC_FLAG_CTX_ALLOC_FAILURE 0x6 |
| 264 | #define BNX2FC_FLAG_UPLD_REQ_COMPL 0x7 |
| 265 | #define BNX2FC_FLAG_EXPL_LOGO 0x8 |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 266 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 267 | u8 src_addr[ETH_ALEN]; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 268 | u32 max_sqes; |
| 269 | u32 max_rqes; |
| 270 | u32 max_cqes; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 271 | atomic_t free_sqes; |
| 272 | |
| 273 | struct b577xx_doorbell_set_prod sq_db; |
| 274 | struct b577xx_fcoe_rx_doorbell rx_db; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 275 | |
| 276 | struct fcoe_sqe *sq; |
| 277 | dma_addr_t sq_dma; |
| 278 | u16 sq_prod_idx; |
| 279 | u8 sq_curr_toggle_bit; |
| 280 | u32 sq_mem_size; |
| 281 | |
| 282 | struct fcoe_cqe *cq; |
| 283 | dma_addr_t cq_dma; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 284 | u16 cq_cons_idx; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 285 | u8 cq_curr_toggle_bit; |
| 286 | u32 cq_mem_size; |
| 287 | |
| 288 | void *rq; |
| 289 | dma_addr_t rq_dma; |
| 290 | u32 rq_prod_idx; |
| 291 | u32 rq_cons_idx; |
| 292 | u32 rq_mem_size; |
| 293 | |
| 294 | void *rq_pbl; |
| 295 | dma_addr_t rq_pbl_dma; |
| 296 | u32 rq_pbl_size; |
| 297 | |
| 298 | struct fcoe_xfrqe *xferq; |
| 299 | dma_addr_t xferq_dma; |
| 300 | u32 xferq_mem_size; |
| 301 | |
| 302 | struct fcoe_confqe *confq; |
| 303 | dma_addr_t confq_dma; |
| 304 | u32 confq_mem_size; |
| 305 | |
| 306 | void *confq_pbl; |
| 307 | dma_addr_t confq_pbl_dma; |
| 308 | u32 confq_pbl_size; |
| 309 | |
| 310 | struct fcoe_conn_db *conn_db; |
| 311 | dma_addr_t conn_db_dma; |
| 312 | u32 conn_db_mem_size; |
| 313 | |
| 314 | struct fcoe_sqe *lcq; |
| 315 | dma_addr_t lcq_dma; |
| 316 | u32 lcq_mem_size; |
| 317 | |
| 318 | void *ofld_req[4]; |
| 319 | dma_addr_t ofld_req_dma[4]; |
| 320 | void *enbl_req; |
| 321 | dma_addr_t enbl_req_dma; |
| 322 | |
| 323 | spinlock_t tgt_lock; |
| 324 | spinlock_t cq_lock; |
| 325 | atomic_t num_active_ios; |
| 326 | u32 flush_in_prog; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 327 | unsigned long timestamp; |
| 328 | struct list_head free_task_list; |
| 329 | struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1]; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 330 | struct list_head active_cmd_queue; |
| 331 | struct list_head els_queue; |
| 332 | struct list_head io_retire_queue; |
| 333 | struct list_head active_tm_queue; |
| 334 | |
| 335 | struct timer_list ofld_timer; |
| 336 | wait_queue_head_t ofld_wait; |
| 337 | |
| 338 | struct timer_list upld_timer; |
| 339 | wait_queue_head_t upld_wait; |
| 340 | }; |
| 341 | |
| 342 | struct bnx2fc_mp_req { |
| 343 | u8 tm_flags; |
| 344 | |
| 345 | u32 req_len; |
| 346 | void *req_buf; |
| 347 | dma_addr_t req_buf_dma; |
| 348 | struct fcoe_bd_ctx *mp_req_bd; |
| 349 | dma_addr_t mp_req_bd_dma; |
| 350 | struct fc_frame_header req_fc_hdr; |
| 351 | |
| 352 | u32 resp_len; |
| 353 | void *resp_buf; |
| 354 | dma_addr_t resp_buf_dma; |
| 355 | struct fcoe_bd_ctx *mp_resp_bd; |
| 356 | dma_addr_t mp_resp_bd_dma; |
| 357 | struct fc_frame_header resp_fc_hdr; |
| 358 | }; |
| 359 | |
| 360 | struct bnx2fc_els_cb_arg { |
| 361 | struct bnx2fc_cmd *aborted_io_req; |
| 362 | struct bnx2fc_cmd *io_req; |
| 363 | u16 l2_oxid; |
Bhanu Prakash Gollapudi | 6c5a7ce | 2011-07-27 11:32:05 -0700 | [diff] [blame] | 364 | u32 offset; |
| 365 | enum fc_rctl r_ctl; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 366 | }; |
| 367 | |
| 368 | /* bnx2fc command structure */ |
| 369 | struct bnx2fc_cmd { |
| 370 | struct list_head link; |
| 371 | u8 on_active_queue; |
| 372 | u8 on_tmf_queue; |
| 373 | u8 cmd_type; |
| 374 | #define BNX2FC_SCSI_CMD 1 |
| 375 | #define BNX2FC_TASK_MGMT_CMD 2 |
| 376 | #define BNX2FC_ABTS 3 |
| 377 | #define BNX2FC_ELS 4 |
| 378 | #define BNX2FC_CLEANUP 5 |
Bhanu Prakash Gollapudi | 6c5a7ce | 2011-07-27 11:32:05 -0700 | [diff] [blame] | 379 | #define BNX2FC_SEQ_CLEANUP 6 |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 380 | u8 io_req_flags; |
| 381 | struct kref refcount; |
| 382 | struct fcoe_port *port; |
| 383 | struct bnx2fc_rport *tgt; |
| 384 | struct scsi_cmnd *sc_cmd; |
| 385 | struct bnx2fc_cmd_mgr *cmd_mgr; |
| 386 | struct bnx2fc_mp_req mp_req; |
| 387 | void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg); |
| 388 | struct bnx2fc_els_cb_arg *cb_arg; |
| 389 | struct delayed_work timeout_work; /* timer for ULP timeouts */ |
| 390 | struct completion tm_done; |
| 391 | int wait_for_comp; |
| 392 | u16 xid; |
Bhanu Prakash Gollapudi | 7444695 | 2011-07-27 11:32:06 -0700 | [diff] [blame] | 393 | struct fcoe_err_report_entry err_entry; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 394 | struct fcoe_task_ctx_entry *task; |
| 395 | struct io_bdt *bd_tbl; |
| 396 | struct fcp_rsp *rsp; |
| 397 | size_t data_xfer_len; |
| 398 | unsigned long req_flags; |
| 399 | #define BNX2FC_FLAG_ISSUE_RRQ 0x1 |
| 400 | #define BNX2FC_FLAG_ISSUE_ABTS 0x2 |
| 401 | #define BNX2FC_FLAG_ABTS_DONE 0x3 |
| 402 | #define BNX2FC_FLAG_TM_COMPL 0x4 |
| 403 | #define BNX2FC_FLAG_TM_TIMEOUT 0x5 |
| 404 | #define BNX2FC_FLAG_IO_CLEANUP 0x6 |
| 405 | #define BNX2FC_FLAG_RETIRE_OXID 0x7 |
| 406 | #define BNX2FC_FLAG_EH_ABORT 0x8 |
| 407 | #define BNX2FC_FLAG_IO_COMPL 0x9 |
| 408 | #define BNX2FC_FLAG_ELS_DONE 0xa |
| 409 | #define BNX2FC_FLAG_ELS_TIMEOUT 0xb |
Bhanu Prakash Gollapudi | 7444695 | 2011-07-27 11:32:06 -0700 | [diff] [blame] | 410 | #define BNX2FC_FLAG_CMD_LOST 0xc |
| 411 | #define BNX2FC_FLAG_SRR_SENT 0xd |
| 412 | u8 rec_retry; |
| 413 | u8 srr_retry; |
| 414 | u32 srr_offset; |
| 415 | u8 srr_rctl; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 416 | u32 fcp_resid; |
| 417 | u32 fcp_rsp_len; |
| 418 | u32 fcp_sns_len; |
| 419 | u8 cdb_status; /* SCSI IO status */ |
| 420 | u8 fcp_status; /* FCP IO status */ |
| 421 | u8 fcp_rsp_code; |
| 422 | u8 scsi_comp_flags; |
| 423 | }; |
| 424 | |
| 425 | struct io_bdt { |
| 426 | struct bnx2fc_cmd *io_req; |
| 427 | struct fcoe_bd_ctx *bd_tbl; |
| 428 | dma_addr_t bd_tbl_dma; |
| 429 | u16 bd_valid; |
| 430 | }; |
| 431 | |
| 432 | struct bnx2fc_work { |
| 433 | struct list_head list; |
| 434 | struct bnx2fc_rport *tgt; |
| 435 | u16 wqe; |
| 436 | }; |
| 437 | struct bnx2fc_unsol_els { |
| 438 | struct fc_lport *lport; |
| 439 | struct fc_frame *fp; |
Bhanu Prakash Gollapudi | d36b327 | 2011-05-27 11:47:27 -0700 | [diff] [blame] | 440 | struct bnx2fc_hba *hba; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 441 | struct work_struct unsol_els_work; |
| 442 | }; |
| 443 | |
| 444 | |
| 445 | |
Bhanu Prakash Gollapudi | 7444695 | 2011-07-27 11:32:06 -0700 | [diff] [blame] | 446 | struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt); |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 447 | struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type); |
| 448 | void bnx2fc_cmd_release(struct kref *ref); |
| 449 | int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd); |
| 450 | int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba); |
| 451 | int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba); |
| 452 | int bnx2fc_send_session_ofld_req(struct fcoe_port *port, |
| 453 | struct bnx2fc_rport *tgt); |
| 454 | int bnx2fc_send_session_disable_req(struct fcoe_port *port, |
| 455 | struct bnx2fc_rport *tgt); |
| 456 | int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba, |
| 457 | struct bnx2fc_rport *tgt); |
| 458 | int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt); |
| 459 | void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[], |
| 460 | u32 num_cqe); |
| 461 | int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba); |
| 462 | void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba); |
| 463 | int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba); |
| 464 | void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba); |
| 465 | struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba, |
| 466 | u16 min_xid, u16 max_xid); |
| 467 | void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr); |
| 468 | void bnx2fc_get_link_state(struct bnx2fc_hba *hba); |
| 469 | char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items); |
| 470 | void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items); |
| 471 | int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen); |
| 472 | int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req); |
| 473 | int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp); |
| 474 | int bnx2fc_send_logo(struct bnx2fc_rport *tgt, struct fc_frame *fp); |
| 475 | int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp); |
| 476 | int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req); |
| 477 | int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req); |
| 478 | void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req, |
| 479 | unsigned int timer_msec); |
| 480 | int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req); |
| 481 | void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req, |
| 482 | struct fcoe_task_ctx_entry *task, |
| 483 | u16 orig_xid); |
Bhanu Prakash Gollapudi | 6c5a7ce | 2011-07-27 11:32:05 -0700 | [diff] [blame] | 484 | void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req, |
| 485 | struct fcoe_task_ctx_entry *task, |
| 486 | struct bnx2fc_cmd *orig_io_req, |
| 487 | u32 offset); |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 488 | void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req, |
| 489 | struct fcoe_task_ctx_entry *task); |
| 490 | void bnx2fc_init_task(struct bnx2fc_cmd *io_req, |
| 491 | struct fcoe_task_ctx_entry *task); |
| 492 | void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid); |
| 493 | void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt); |
| 494 | int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd); |
| 495 | int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd); |
| 496 | int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd); |
| 497 | int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd); |
| 498 | void bnx2fc_rport_event_handler(struct fc_lport *lport, |
| 499 | struct fc_rport_priv *rport, |
| 500 | enum fc_rport_event event); |
| 501 | void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req, |
| 502 | struct fcoe_task_ctx_entry *task, |
| 503 | u8 num_rq); |
| 504 | void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req, |
| 505 | struct fcoe_task_ctx_entry *task, |
| 506 | u8 num_rq); |
| 507 | void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req, |
| 508 | struct fcoe_task_ctx_entry *task, |
| 509 | u8 num_rq); |
| 510 | void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req, |
| 511 | struct fcoe_task_ctx_entry *task, |
| 512 | u8 num_rq); |
| 513 | void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req, |
| 514 | struct fcoe_task_ctx_entry *task, |
| 515 | u8 num_rq); |
| 516 | void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req, |
| 517 | struct fcp_cmnd *fcp_cmnd); |
| 518 | |
| 519 | |
| 520 | |
| 521 | void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt); |
| 522 | struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did, |
| 523 | struct fc_frame *fp, unsigned int op, |
| 524 | void (*resp)(struct fc_seq *, |
| 525 | struct fc_frame *, |
| 526 | void *), |
| 527 | void *arg, u32 timeout); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 528 | void bnx2fc_arm_cq(struct bnx2fc_rport *tgt); |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 529 | int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt); |
| 530 | void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe); |
| 531 | struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port, |
| 532 | u32 port_id); |
| 533 | void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt, |
| 534 | unsigned char *buf, |
| 535 | u32 frame_len, u16 l2_oxid); |
| 536 | int bnx2fc_send_stat_req(struct bnx2fc_hba *hba); |
Bhanu Prakash Gollapudi | 7444695 | 2011-07-27 11:32:06 -0700 | [diff] [blame] | 537 | int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, struct bnx2fc_cmd *io_req); |
Bhanu Prakash Gollapudi | 6c5a7ce | 2011-07-27 11:32:05 -0700 | [diff] [blame] | 538 | int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req); |
| 539 | int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl); |
| 540 | void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req, |
| 541 | struct fcoe_task_ctx_entry *task, |
| 542 | u8 rx_state); |
| 543 | int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset, |
| 544 | enum fc_rctl r_ctl); |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 545 | |
| 546 | #endif |