Chad Dupuis | de909d8 | 2015-10-19 15:40:36 -0400 | [diff] [blame] | 1 | /* bnx2fc.h: QLogic Linux FCoE offload driver. |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 2 | * |
Chad Dupuis | 9758609 | 2015-10-19 15:40:35 -0400 | [diff] [blame] | 3 | * Copyright (c) 2008-2013 Broadcom Corporation |
| 4 | * Copyright (c) 2014-2015 QLogic Corporation |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation. |
| 9 | * |
| 10 | * Written by: Bhanu Prakash Gollapudi (bprakash@broadcom.com) |
| 11 | */ |
| 12 | |
Saurav Kashyap | 17d87c4 | 2014-07-03 08:18:28 -0400 | [diff] [blame] | 13 | #ifndef _BNX2FC_H_ |
| 14 | #define _BNX2FC_H_ |
Joe Perches | 3db8cc1 | 2012-06-04 16:15:43 -0700 | [diff] [blame] | 15 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 16 | |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 17 | #include <linux/module.h> |
| 18 | #include <linux/moduleparam.h> |
| 19 | #include <linux/kernel.h> |
| 20 | #include <linux/skbuff.h> |
| 21 | #include <linux/netdevice.h> |
| 22 | #include <linux/etherdevice.h> |
| 23 | #include <linux/if_ether.h> |
| 24 | #include <linux/if_vlan.h> |
| 25 | #include <linux/kthread.h> |
| 26 | #include <linux/crc32.h> |
| 27 | #include <linux/cpu.h> |
| 28 | #include <linux/types.h> |
| 29 | #include <linux/list.h> |
| 30 | #include <linux/delay.h> |
| 31 | #include <linux/timer.h> |
| 32 | #include <linux/errno.h> |
| 33 | #include <linux/pci.h> |
| 34 | #include <linux/init.h> |
| 35 | #include <linux/dma-mapping.h> |
| 36 | #include <linux/workqueue.h> |
| 37 | #include <linux/mutex.h> |
| 38 | #include <linux/spinlock.h> |
| 39 | #include <linux/bitops.h> |
| 40 | #include <linux/log2.h> |
| 41 | #include <linux/interrupt.h> |
| 42 | #include <linux/sched.h> |
| 43 | #include <linux/io.h> |
| 44 | |
| 45 | #include <scsi/scsi.h> |
| 46 | #include <scsi/scsi_host.h> |
| 47 | #include <scsi/scsi_device.h> |
| 48 | #include <scsi/scsi_cmnd.h> |
| 49 | #include <scsi/scsi_eh.h> |
| 50 | #include <scsi/scsi_tcq.h> |
| 51 | #include <scsi/libfc.h> |
| 52 | #include <scsi/libfcoe.h> |
| 53 | #include <scsi/fc_encode.h> |
| 54 | #include <scsi/scsi_transport.h> |
| 55 | #include <scsi/scsi_transport_fc.h> |
| 56 | #include <scsi/fc/fc_fip.h> |
| 57 | #include <scsi/fc/fc_fc2.h> |
| 58 | #include <scsi/fc_frame.h> |
| 59 | #include <scsi/fc/fc_fcoe.h> |
| 60 | #include <scsi/fc/fc_fcp.h> |
| 61 | |
| 62 | #include "57xx_hsi_bnx2fc.h" |
Jeff Kirsher | adfc521 | 2011-04-07 06:03:04 -0700 | [diff] [blame] | 63 | #include "../../net/ethernet/broadcom/cnic_if.h" |
Barak Witkowski | 2e499d3 | 2012-06-26 01:31:19 +0000 | [diff] [blame] | 64 | #include "../../net/ethernet/broadcom/bnx2x/bnx2x_mfw_req.h" |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 65 | #include "bnx2fc_constants.h" |
| 66 | |
| 67 | #define BNX2FC_NAME "bnx2fc" |
Chad Dupuis | 63f2167 | 2016-04-07 09:08:00 -0400 | [diff] [blame] | 68 | #define BNX2FC_VERSION "2.10.3" |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 69 | |
| 70 | #define PFX "bnx2fc: " |
| 71 | |
Bhanu Prakash Gollapudi | c13d2b6 | 2013-03-08 13:28:51 -0800 | [diff] [blame] | 72 | #define BCM_CHIP_LEN 16 |
| 73 | |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 74 | #define BNX2X_DOORBELL_PCI_BAR 2 |
| 75 | |
| 76 | #define BNX2FC_MAX_BD_LEN 0xffff |
| 77 | #define BNX2FC_BD_SPLIT_SZ 0x8000 |
| 78 | #define BNX2FC_MAX_BDS_PER_CMD 256 |
| 79 | |
| 80 | #define BNX2FC_SQ_WQES_MAX 256 |
| 81 | |
| 82 | #define BNX2FC_SCSI_MAX_SQES ((3 * BNX2FC_SQ_WQES_MAX) / 8) |
| 83 | #define BNX2FC_TM_MAX_SQES ((BNX2FC_SQ_WQES_MAX) / 2) |
| 84 | #define BNX2FC_ELS_MAX_SQES (BNX2FC_TM_MAX_SQES - 1) |
| 85 | |
| 86 | #define BNX2FC_RQ_WQES_MAX 16 |
| 87 | #define BNX2FC_CQ_WQES_MAX (BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX) |
| 88 | |
Michael Chan | dc219a2 | 2011-08-26 09:45:39 +0000 | [diff] [blame] | 89 | #define BNX2FC_NUM_MAX_SESS 1024 |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 90 | #define BNX2FC_NUM_MAX_SESS_LOG (ilog2(BNX2FC_NUM_MAX_SESS)) |
| 91 | |
Barak Witkowski | 2e499d3 | 2012-06-26 01:31:19 +0000 | [diff] [blame] | 92 | #define BNX2FC_MAX_NPIV 256 |
| 93 | |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 94 | #define BNX2FC_MIN_PAYLOAD 256 |
| 95 | #define BNX2FC_MAX_PAYLOAD 2048 |
Bhanu Gollapudi | 1294bfe | 2011-03-17 17:13:34 -0700 | [diff] [blame] | 96 | #define BNX2FC_MFS \ |
| 97 | (BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header)) |
| 98 | #define BNX2FC_MINI_JUMBO_MTU 2500 |
| 99 | |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 100 | |
| 101 | #define BNX2FC_RQ_BUF_SZ 256 |
| 102 | #define BNX2FC_RQ_BUF_LOG_SZ (ilog2(BNX2FC_RQ_BUF_SZ)) |
| 103 | |
| 104 | #define BNX2FC_SQ_WQE_SIZE (sizeof(struct fcoe_sqe)) |
| 105 | #define BNX2FC_CQ_WQE_SIZE (sizeof(struct fcoe_cqe)) |
| 106 | #define BNX2FC_RQ_WQE_SIZE (BNX2FC_RQ_BUF_SZ) |
| 107 | #define BNX2FC_XFERQ_WQE_SIZE (sizeof(struct fcoe_xfrqe)) |
| 108 | #define BNX2FC_CONFQ_WQE_SIZE (sizeof(struct fcoe_confqe)) |
Michael Chan | f78afb3 | 2013-09-18 01:50:38 -0700 | [diff] [blame] | 109 | #define BNX2X_DB_SHIFT 3 |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 110 | |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 111 | #define BNX2FC_TASK_SIZE 128 |
| 112 | #define BNX2FC_TASKS_PER_PAGE (PAGE_SIZE/BNX2FC_TASK_SIZE) |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 113 | |
| 114 | #define BNX2FC_MAX_ROWS_IN_HASH_TBL 8 |
| 115 | #define BNX2FC_HASH_TBL_CHUNK_SIZE (16 * 1024) |
| 116 | |
| 117 | #define BNX2FC_MAX_SEQS 255 |
Bhanu Prakash Gollapudi | 44c570b | 2012-01-23 18:00:47 -0800 | [diff] [blame] | 118 | #define BNX2FC_MAX_RETRY_CNT 3 |
| 119 | #define BNX2FC_MAX_RPORT_RETRY_CNT 255 |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 120 | |
| 121 | #define BNX2FC_READ (1 << 1) |
| 122 | #define BNX2FC_WRITE (1 << 0) |
| 123 | |
| 124 | #define BNX2FC_MIN_XID 0 |
Bhanu Prakash Gollapudi | 7d742f6 | 2012-01-23 18:00:48 -0800 | [diff] [blame] | 125 | #define FCOE_MAX_NUM_XIDS 0x2000 |
Bhanu Prakash Gollapudi | 0eb43b4 | 2013-04-22 19:22:30 +0000 | [diff] [blame] | 126 | #define FCOE_MAX_XID_OFFSET (FCOE_MAX_NUM_XIDS - 1) |
| 127 | #define FCOE_XIDS_PER_CPU_OFFSET ((512 * nr_cpu_ids) - 1) |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 128 | #define BNX2FC_MAX_LUN 0xFFFF |
| 129 | #define BNX2FC_MAX_FCP_TGT 256 |
| 130 | #define BNX2FC_MAX_CMD_LEN 16 |
| 131 | |
| 132 | #define BNX2FC_TM_TIMEOUT 60 /* secs */ |
| 133 | #define BNX2FC_IO_TIMEOUT 20000UL /* msecs */ |
| 134 | |
Nithin Nayak Sujir | befc9b4 | 2011-04-25 12:30:10 -0700 | [diff] [blame] | 135 | #define BNX2FC_WAIT_CNT 1200 |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 136 | #define BNX2FC_FW_TIMEOUT (3 * HZ) |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 137 | #define PORT_MAX 2 |
| 138 | |
| 139 | #define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status) |
| 140 | |
| 141 | /* FC FCP Status */ |
| 142 | #define FC_GOOD 0 |
| 143 | |
| 144 | #define BNX2FC_RNID_HBA 0x7 |
| 145 | |
Bhanu Prakash Gollapudi | 7444695 | 2011-07-27 11:32:06 -0700 | [diff] [blame] | 146 | #define SRR_RETRY_COUNT 5 |
| 147 | #define REC_RETRY_COUNT 1 |
Bhanu Prakash Gollapudi | 7b59476 | 2011-07-27 11:32:07 -0700 | [diff] [blame] | 148 | #define BNX2FC_NUM_ERR_BITS 63 |
Bhanu Prakash Gollapudi | 7444695 | 2011-07-27 11:32:06 -0700 | [diff] [blame] | 149 | |
Bhanu Prakash Gollapudi | 99cc600 | 2011-10-23 23:23:56 -0700 | [diff] [blame] | 150 | #define BNX2FC_RELOGIN_WAIT_TIME 200 |
| 151 | #define BNX2FC_RELOGIN_WAIT_CNT 10 |
| 152 | |
Bhanu Prakash Gollapudi | f246fe2 | 2012-12-21 19:40:32 -0800 | [diff] [blame] | 153 | #define BNX2FC_STATS(hba, stat, cnt) \ |
| 154 | do { \ |
| 155 | u32 val; \ |
| 156 | \ |
| 157 | val = fw_stats->stat.cnt; \ |
| 158 | if (hba->prev_stats.stat.cnt <= val) \ |
| 159 | val -= hba->prev_stats.stat.cnt; \ |
| 160 | else \ |
| 161 | val += (0xfffffff - hba->prev_stats.stat.cnt); \ |
| 162 | hba->bfw_stats.cnt += val; \ |
| 163 | } while (0) |
| 164 | |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 165 | /* bnx2fc driver uses only one instance of fcoe_percpu_s */ |
| 166 | extern struct fcoe_percpu_s bnx2fc_global; |
| 167 | |
| 168 | extern struct workqueue_struct *bnx2fc_wq; |
| 169 | |
| 170 | struct bnx2fc_percpu_s { |
| 171 | struct task_struct *iothread; |
| 172 | struct list_head work_list; |
| 173 | spinlock_t fp_work_lock; |
| 174 | }; |
| 175 | |
Bhanu Prakash Gollapudi | f246fe2 | 2012-12-21 19:40:32 -0800 | [diff] [blame] | 176 | struct bnx2fc_fw_stats { |
| 177 | u64 fc_crc_cnt; |
| 178 | u64 fcoe_tx_pkt_cnt; |
| 179 | u64 fcoe_rx_pkt_cnt; |
| 180 | u64 fcoe_tx_byte_cnt; |
| 181 | u64 fcoe_rx_byte_cnt; |
| 182 | }; |
| 183 | |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 184 | struct bnx2fc_hba { |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 185 | struct list_head list; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 186 | struct cnic_dev *cnic; |
| 187 | struct pci_dev *pcidev; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 188 | struct net_device *phys_dev; |
| 189 | unsigned long reg_with_cnic; |
| 190 | #define BNX2FC_CNIC_REGISTERED 1 |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 191 | struct bnx2fc_cmd_mgr *cmd_mgr; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 192 | spinlock_t hba_lock; |
| 193 | struct mutex hba_mutex; |
| 194 | unsigned long adapter_state; |
| 195 | #define ADAPTER_STATE_UP 0 |
| 196 | #define ADAPTER_STATE_GOING_DOWN 1 |
| 197 | #define ADAPTER_STATE_LINK_DOWN 2 |
| 198 | #define ADAPTER_STATE_READY 3 |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 199 | unsigned long flags; |
| 200 | #define BNX2FC_FLAG_FW_INIT_DONE 0 |
| 201 | #define BNX2FC_FLAG_DESTROY_CMPL 1 |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 202 | u32 next_conn_id; |
Bhanu Prakash Gollapudi | 0eb43b4 | 2013-04-22 19:22:30 +0000 | [diff] [blame] | 203 | |
| 204 | /* xid resources */ |
| 205 | u16 max_xid; |
| 206 | u32 max_tasks; |
| 207 | u32 max_outstanding_cmds; |
| 208 | u32 elstm_xids; |
| 209 | |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 210 | struct fcoe_task_ctx_entry **task_ctx; |
| 211 | dma_addr_t *task_ctx_dma; |
| 212 | struct regpair *task_ctx_bd_tbl; |
| 213 | dma_addr_t task_ctx_bd_dma; |
| 214 | |
| 215 | int hash_tbl_segment_count; |
| 216 | void **hash_tbl_segments; |
| 217 | void *hash_tbl_pbl; |
| 218 | dma_addr_t hash_tbl_pbl_dma; |
| 219 | struct fcoe_t2_hash_table_entry *t2_hash_tbl; |
| 220 | dma_addr_t t2_hash_tbl_dma; |
| 221 | char *t2_hash_tbl_ptr; |
| 222 | dma_addr_t t2_hash_tbl_ptr_dma; |
| 223 | |
| 224 | char *dummy_buffer; |
| 225 | dma_addr_t dummy_buf_dma; |
| 226 | |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 227 | /* Active list of offloaded sessions */ |
| 228 | struct bnx2fc_rport **tgt_ofld_list; |
| 229 | |
| 230 | /* statistics */ |
Bhanu Prakash Gollapudi | f246fe2 | 2012-12-21 19:40:32 -0800 | [diff] [blame] | 231 | struct bnx2fc_fw_stats bfw_stats; |
| 232 | struct fcoe_statistics_params prev_stats; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 233 | struct fcoe_statistics_params *stats_buffer; |
| 234 | dma_addr_t stats_buf_dma; |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 235 | struct completion stat_req_done; |
Barak Witkowski | 2e499d3 | 2012-06-26 01:31:19 +0000 | [diff] [blame] | 236 | struct fcoe_capabilities fcoe_cap; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 237 | |
| 238 | /*destroy handling */ |
| 239 | struct timer_list destroy_timer; |
| 240 | wait_queue_head_t destroy_wait; |
| 241 | |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 242 | /* linkdown handling */ |
| 243 | wait_queue_head_t shutdown_wait; |
| 244 | int wait_for_link_down; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 245 | int num_ofld_sess; |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 246 | struct list_head vports; |
Bhanu Prakash Gollapudi | c13d2b6 | 2013-03-08 13:28:51 -0800 | [diff] [blame] | 247 | |
| 248 | char chip_num[BCM_CHIP_LEN]; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 249 | }; |
| 250 | |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 251 | struct bnx2fc_interface { |
| 252 | struct list_head list; |
| 253 | unsigned long if_flags; |
| 254 | #define BNX2FC_CTLR_INIT_DONE 0 |
| 255 | struct bnx2fc_hba *hba; |
| 256 | struct net_device *netdev; |
| 257 | struct packet_type fcoe_packet_type; |
| 258 | struct packet_type fip_packet_type; |
| 259 | struct workqueue_struct *timer_work_queue; |
| 260 | struct kref kref; |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 261 | u8 vlan_enabled; |
| 262 | int vlan_id; |
Bhanu Prakash Gollapudi | 8a5badf | 2011-08-30 15:54:48 -0700 | [diff] [blame] | 263 | bool enabled; |
Joe Carnuccio | 10755d3 | 2016-04-07 09:07:56 -0400 | [diff] [blame] | 264 | u8 tm_timeout; |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 265 | }; |
| 266 | |
Robert Love | fd8f890 | 2012-05-22 19:06:16 -0700 | [diff] [blame] | 267 | #define bnx2fc_from_ctlr(x) \ |
| 268 | ((struct bnx2fc_interface *)((x) + 1)) |
| 269 | |
| 270 | #define bnx2fc_to_ctlr(x) \ |
| 271 | ((struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1)) |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 272 | |
Bhanu Prakash Gollapudi | d36b327 | 2011-05-27 11:47:27 -0700 | [diff] [blame] | 273 | struct bnx2fc_lport { |
| 274 | struct list_head list; |
| 275 | struct fc_lport *lport; |
| 276 | }; |
| 277 | |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 278 | struct bnx2fc_cmd_mgr { |
| 279 | struct bnx2fc_hba *hba; |
| 280 | u16 next_idx; |
| 281 | struct list_head *free_list; |
| 282 | spinlock_t *free_list_lock; |
| 283 | struct io_bdt **io_bdt_pool; |
| 284 | struct bnx2fc_cmd **cmds; |
| 285 | }; |
| 286 | |
| 287 | struct bnx2fc_rport { |
| 288 | struct fcoe_port *port; |
| 289 | struct fc_rport *rport; |
| 290 | struct fc_rport_priv *rdata; |
| 291 | void __iomem *ctx_base; |
| 292 | #define DPM_TRIGER_TYPE 0x40 |
Bhanu Prakash Gollapudi | b252f4c | 2011-07-26 14:51:40 -0700 | [diff] [blame] | 293 | u32 io_timeout; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 294 | u32 fcoe_conn_id; |
| 295 | u32 context_id; |
| 296 | u32 sid; |
Bhanu Prakash Gollapudi | b252f4c | 2011-07-26 14:51:40 -0700 | [diff] [blame] | 297 | int dev_type; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 298 | |
| 299 | unsigned long flags; |
| 300 | #define BNX2FC_FLAG_SESSION_READY 0x1 |
| 301 | #define BNX2FC_FLAG_OFFLOADED 0x2 |
| 302 | #define BNX2FC_FLAG_DISABLED 0x3 |
| 303 | #define BNX2FC_FLAG_DESTROYED 0x4 |
| 304 | #define BNX2FC_FLAG_OFLD_REQ_CMPL 0x5 |
Bhanu Prakash Gollapudi | aea71a0 | 2011-07-26 14:51:39 -0700 | [diff] [blame] | 305 | #define BNX2FC_FLAG_CTX_ALLOC_FAILURE 0x6 |
| 306 | #define BNX2FC_FLAG_UPLD_REQ_COMPL 0x7 |
Bhanu Prakash Gollapudi | 5c17ae2 | 2012-06-07 02:19:35 -0700 | [diff] [blame] | 307 | #define BNX2FC_FLAG_DISABLE_FAILED 0x9 |
Bhanu Prakash Gollapudi | e7f4fed | 2012-12-21 19:40:31 -0800 | [diff] [blame] | 308 | #define BNX2FC_FLAG_ENABLED 0xa |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 309 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 310 | u8 src_addr[ETH_ALEN]; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 311 | u32 max_sqes; |
| 312 | u32 max_rqes; |
| 313 | u32 max_cqes; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 314 | atomic_t free_sqes; |
| 315 | |
| 316 | struct b577xx_doorbell_set_prod sq_db; |
| 317 | struct b577xx_fcoe_rx_doorbell rx_db; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 318 | |
| 319 | struct fcoe_sqe *sq; |
| 320 | dma_addr_t sq_dma; |
| 321 | u16 sq_prod_idx; |
| 322 | u8 sq_curr_toggle_bit; |
| 323 | u32 sq_mem_size; |
| 324 | |
| 325 | struct fcoe_cqe *cq; |
| 326 | dma_addr_t cq_dma; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 327 | u16 cq_cons_idx; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 328 | u8 cq_curr_toggle_bit; |
| 329 | u32 cq_mem_size; |
| 330 | |
| 331 | void *rq; |
| 332 | dma_addr_t rq_dma; |
| 333 | u32 rq_prod_idx; |
| 334 | u32 rq_cons_idx; |
| 335 | u32 rq_mem_size; |
| 336 | |
| 337 | void *rq_pbl; |
| 338 | dma_addr_t rq_pbl_dma; |
| 339 | u32 rq_pbl_size; |
| 340 | |
| 341 | struct fcoe_xfrqe *xferq; |
| 342 | dma_addr_t xferq_dma; |
| 343 | u32 xferq_mem_size; |
| 344 | |
| 345 | struct fcoe_confqe *confq; |
| 346 | dma_addr_t confq_dma; |
| 347 | u32 confq_mem_size; |
| 348 | |
| 349 | void *confq_pbl; |
| 350 | dma_addr_t confq_pbl_dma; |
| 351 | u32 confq_pbl_size; |
| 352 | |
| 353 | struct fcoe_conn_db *conn_db; |
| 354 | dma_addr_t conn_db_dma; |
| 355 | u32 conn_db_mem_size; |
| 356 | |
| 357 | struct fcoe_sqe *lcq; |
| 358 | dma_addr_t lcq_dma; |
| 359 | u32 lcq_mem_size; |
| 360 | |
| 361 | void *ofld_req[4]; |
| 362 | dma_addr_t ofld_req_dma[4]; |
| 363 | void *enbl_req; |
| 364 | dma_addr_t enbl_req_dma; |
| 365 | |
| 366 | spinlock_t tgt_lock; |
| 367 | spinlock_t cq_lock; |
| 368 | atomic_t num_active_ios; |
| 369 | u32 flush_in_prog; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 370 | unsigned long timestamp; |
Eddie Wai | 245a575 | 2013-12-11 15:30:22 -0800 | [diff] [blame] | 371 | unsigned long retry_delay_timestamp; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 372 | struct list_head free_task_list; |
| 373 | struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1]; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 374 | struct list_head active_cmd_queue; |
| 375 | struct list_head els_queue; |
| 376 | struct list_head io_retire_queue; |
| 377 | struct list_head active_tm_queue; |
| 378 | |
| 379 | struct timer_list ofld_timer; |
| 380 | wait_queue_head_t ofld_wait; |
| 381 | |
| 382 | struct timer_list upld_timer; |
| 383 | wait_queue_head_t upld_wait; |
| 384 | }; |
| 385 | |
| 386 | struct bnx2fc_mp_req { |
| 387 | u8 tm_flags; |
| 388 | |
| 389 | u32 req_len; |
| 390 | void *req_buf; |
| 391 | dma_addr_t req_buf_dma; |
| 392 | struct fcoe_bd_ctx *mp_req_bd; |
| 393 | dma_addr_t mp_req_bd_dma; |
| 394 | struct fc_frame_header req_fc_hdr; |
| 395 | |
| 396 | u32 resp_len; |
| 397 | void *resp_buf; |
| 398 | dma_addr_t resp_buf_dma; |
| 399 | struct fcoe_bd_ctx *mp_resp_bd; |
| 400 | dma_addr_t mp_resp_bd_dma; |
| 401 | struct fc_frame_header resp_fc_hdr; |
| 402 | }; |
| 403 | |
| 404 | struct bnx2fc_els_cb_arg { |
| 405 | struct bnx2fc_cmd *aborted_io_req; |
| 406 | struct bnx2fc_cmd *io_req; |
| 407 | u16 l2_oxid; |
Bhanu Prakash Gollapudi | 6c5a7ce | 2011-07-27 11:32:05 -0700 | [diff] [blame] | 408 | u32 offset; |
| 409 | enum fc_rctl r_ctl; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 410 | }; |
| 411 | |
| 412 | /* bnx2fc command structure */ |
| 413 | struct bnx2fc_cmd { |
| 414 | struct list_head link; |
| 415 | u8 on_active_queue; |
| 416 | u8 on_tmf_queue; |
| 417 | u8 cmd_type; |
| 418 | #define BNX2FC_SCSI_CMD 1 |
| 419 | #define BNX2FC_TASK_MGMT_CMD 2 |
| 420 | #define BNX2FC_ABTS 3 |
| 421 | #define BNX2FC_ELS 4 |
| 422 | #define BNX2FC_CLEANUP 5 |
Bhanu Prakash Gollapudi | 6c5a7ce | 2011-07-27 11:32:05 -0700 | [diff] [blame] | 423 | #define BNX2FC_SEQ_CLEANUP 6 |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 424 | u8 io_req_flags; |
| 425 | struct kref refcount; |
| 426 | struct fcoe_port *port; |
| 427 | struct bnx2fc_rport *tgt; |
| 428 | struct scsi_cmnd *sc_cmd; |
| 429 | struct bnx2fc_cmd_mgr *cmd_mgr; |
| 430 | struct bnx2fc_mp_req mp_req; |
| 431 | void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg); |
| 432 | struct bnx2fc_els_cb_arg *cb_arg; |
| 433 | struct delayed_work timeout_work; /* timer for ULP timeouts */ |
| 434 | struct completion tm_done; |
| 435 | int wait_for_comp; |
| 436 | u16 xid; |
Bhanu Prakash Gollapudi | 7444695 | 2011-07-27 11:32:06 -0700 | [diff] [blame] | 437 | struct fcoe_err_report_entry err_entry; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 438 | struct fcoe_task_ctx_entry *task; |
| 439 | struct io_bdt *bd_tbl; |
| 440 | struct fcp_rsp *rsp; |
| 441 | size_t data_xfer_len; |
| 442 | unsigned long req_flags; |
| 443 | #define BNX2FC_FLAG_ISSUE_RRQ 0x1 |
| 444 | #define BNX2FC_FLAG_ISSUE_ABTS 0x2 |
| 445 | #define BNX2FC_FLAG_ABTS_DONE 0x3 |
| 446 | #define BNX2FC_FLAG_TM_COMPL 0x4 |
| 447 | #define BNX2FC_FLAG_TM_TIMEOUT 0x5 |
| 448 | #define BNX2FC_FLAG_IO_CLEANUP 0x6 |
| 449 | #define BNX2FC_FLAG_RETIRE_OXID 0x7 |
| 450 | #define BNX2FC_FLAG_EH_ABORT 0x8 |
| 451 | #define BNX2FC_FLAG_IO_COMPL 0x9 |
| 452 | #define BNX2FC_FLAG_ELS_DONE 0xa |
| 453 | #define BNX2FC_FLAG_ELS_TIMEOUT 0xb |
Bhanu Prakash Gollapudi | 7444695 | 2011-07-27 11:32:06 -0700 | [diff] [blame] | 454 | #define BNX2FC_FLAG_CMD_LOST 0xc |
| 455 | #define BNX2FC_FLAG_SRR_SENT 0xd |
| 456 | u8 rec_retry; |
| 457 | u8 srr_retry; |
| 458 | u32 srr_offset; |
| 459 | u8 srr_rctl; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 460 | u32 fcp_resid; |
| 461 | u32 fcp_rsp_len; |
| 462 | u32 fcp_sns_len; |
| 463 | u8 cdb_status; /* SCSI IO status */ |
| 464 | u8 fcp_status; /* FCP IO status */ |
| 465 | u8 fcp_rsp_code; |
| 466 | u8 scsi_comp_flags; |
| 467 | }; |
| 468 | |
| 469 | struct io_bdt { |
| 470 | struct bnx2fc_cmd *io_req; |
| 471 | struct fcoe_bd_ctx *bd_tbl; |
| 472 | dma_addr_t bd_tbl_dma; |
| 473 | u16 bd_valid; |
| 474 | }; |
| 475 | |
| 476 | struct bnx2fc_work { |
| 477 | struct list_head list; |
| 478 | struct bnx2fc_rport *tgt; |
| 479 | u16 wqe; |
| 480 | }; |
| 481 | struct bnx2fc_unsol_els { |
| 482 | struct fc_lport *lport; |
| 483 | struct fc_frame *fp; |
Bhanu Prakash Gollapudi | d36b327 | 2011-05-27 11:47:27 -0700 | [diff] [blame] | 484 | struct bnx2fc_hba *hba; |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 485 | struct work_struct unsol_els_work; |
| 486 | }; |
| 487 | |
| 488 | |
| 489 | |
Bhanu Prakash Gollapudi | 7444695 | 2011-07-27 11:32:06 -0700 | [diff] [blame] | 490 | struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt); |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 491 | struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type); |
| 492 | void bnx2fc_cmd_release(struct kref *ref); |
| 493 | int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd); |
| 494 | int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba); |
| 495 | int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba); |
| 496 | int bnx2fc_send_session_ofld_req(struct fcoe_port *port, |
| 497 | struct bnx2fc_rport *tgt); |
Bhanu Prakash Gollapudi | e7f4fed | 2012-12-21 19:40:31 -0800 | [diff] [blame] | 498 | int bnx2fc_send_session_enable_req(struct fcoe_port *port, |
| 499 | struct bnx2fc_rport *tgt); |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 500 | int bnx2fc_send_session_disable_req(struct fcoe_port *port, |
| 501 | struct bnx2fc_rport *tgt); |
| 502 | int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba, |
| 503 | struct bnx2fc_rport *tgt); |
| 504 | int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt); |
| 505 | void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[], |
| 506 | u32 num_cqe); |
| 507 | int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba); |
| 508 | void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba); |
| 509 | int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba); |
| 510 | void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba); |
Bhanu Prakash Gollapudi | 0eb43b4 | 2013-04-22 19:22:30 +0000 | [diff] [blame] | 511 | struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba); |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 512 | void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr); |
| 513 | void bnx2fc_get_link_state(struct bnx2fc_hba *hba); |
| 514 | char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items); |
| 515 | void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items); |
| 516 | int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen); |
| 517 | int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req); |
| 518 | int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp); |
| 519 | int bnx2fc_send_logo(struct bnx2fc_rport *tgt, struct fc_frame *fp); |
| 520 | int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp); |
| 521 | int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req); |
| 522 | int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req); |
| 523 | void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req, |
| 524 | unsigned int timer_msec); |
| 525 | int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req); |
| 526 | void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req, |
| 527 | struct fcoe_task_ctx_entry *task, |
| 528 | u16 orig_xid); |
Bhanu Prakash Gollapudi | 6c5a7ce | 2011-07-27 11:32:05 -0700 | [diff] [blame] | 529 | void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req, |
| 530 | struct fcoe_task_ctx_entry *task, |
| 531 | struct bnx2fc_cmd *orig_io_req, |
| 532 | u32 offset); |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 533 | void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req, |
| 534 | struct fcoe_task_ctx_entry *task); |
| 535 | void bnx2fc_init_task(struct bnx2fc_cmd *io_req, |
| 536 | struct fcoe_task_ctx_entry *task); |
| 537 | void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid); |
| 538 | void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt); |
| 539 | int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd); |
| 540 | int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd); |
| 541 | int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd); |
| 542 | int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd); |
| 543 | void bnx2fc_rport_event_handler(struct fc_lport *lport, |
| 544 | struct fc_rport_priv *rport, |
| 545 | enum fc_rport_event event); |
| 546 | void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req, |
| 547 | struct fcoe_task_ctx_entry *task, |
| 548 | u8 num_rq); |
| 549 | void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req, |
| 550 | struct fcoe_task_ctx_entry *task, |
| 551 | u8 num_rq); |
| 552 | void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req, |
| 553 | struct fcoe_task_ctx_entry *task, |
| 554 | u8 num_rq); |
| 555 | void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req, |
| 556 | struct fcoe_task_ctx_entry *task, |
| 557 | u8 num_rq); |
| 558 | void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req, |
| 559 | struct fcoe_task_ctx_entry *task, |
| 560 | u8 num_rq); |
| 561 | void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req, |
| 562 | struct fcp_cmnd *fcp_cmnd); |
| 563 | |
| 564 | |
| 565 | |
| 566 | void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt); |
| 567 | struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did, |
| 568 | struct fc_frame *fp, unsigned int op, |
| 569 | void (*resp)(struct fc_seq *, |
| 570 | struct fc_frame *, |
| 571 | void *), |
| 572 | void *arg, u32 timeout); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 573 | void bnx2fc_arm_cq(struct bnx2fc_rport *tgt); |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 574 | int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt); |
| 575 | void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe); |
| 576 | struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port, |
| 577 | u32 port_id); |
| 578 | void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt, |
| 579 | unsigned char *buf, |
| 580 | u32 frame_len, u16 l2_oxid); |
| 581 | int bnx2fc_send_stat_req(struct bnx2fc_hba *hba); |
Bhanu Prakash Gollapudi | 7444695 | 2011-07-27 11:32:06 -0700 | [diff] [blame] | 582 | 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] | 583 | int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req); |
| 584 | int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl); |
| 585 | void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req, |
| 586 | struct fcoe_task_ctx_entry *task, |
| 587 | u8 rx_state); |
| 588 | int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset, |
| 589 | enum fc_rctl r_ctl); |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 590 | |
Joe Perches | 3db8cc1 | 2012-06-04 16:15:43 -0700 | [diff] [blame] | 591 | |
| 592 | #include "bnx2fc_debug.h" |
| 593 | |
Bhanu Gollapudi | 853e2bd | 2011-02-04 12:10:34 -0800 | [diff] [blame] | 594 | #endif |