Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2008 Cisco Systems, Inc. All rights reserved. |
| 3 | * Copyright 2007 Nuova Systems, Inc. All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you may redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; version 2 of the License. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 10 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 11 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 12 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 13 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 14 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 15 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 16 | * SOFTWARE. |
| 17 | */ |
| 18 | #ifndef _FNIC_H_ |
| 19 | #define _FNIC_H_ |
| 20 | |
| 21 | #include <linux/interrupt.h> |
| 22 | #include <linux/netdevice.h> |
| 23 | #include <linux/workqueue.h> |
Andrew Morton | a737b88 | 2010-08-10 18:01:26 -0700 | [diff] [blame] | 24 | #include <linux/bitops.h> |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 25 | #include <scsi/libfc.h> |
Joe Eykholt | 78112e5 | 2009-11-03 11:49:22 -0800 | [diff] [blame] | 26 | #include <scsi/libfcoe.h> |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 27 | #include "fnic_io.h" |
| 28 | #include "fnic_res.h" |
Hiral Patel | 4d7007b | 2013-02-12 17:01:02 -0800 | [diff] [blame] | 29 | #include "fnic_trace.h" |
Hiral Patel | 67125b0 | 2013-09-12 17:45:42 -0700 | [diff] [blame] | 30 | #include "fnic_stats.h" |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 31 | #include "vnic_dev.h" |
| 32 | #include "vnic_wq.h" |
| 33 | #include "vnic_rq.h" |
| 34 | #include "vnic_cq.h" |
| 35 | #include "vnic_wq_copy.h" |
| 36 | #include "vnic_intr.h" |
| 37 | #include "vnic_stats.h" |
| 38 | #include "vnic_scsi.h" |
| 39 | |
| 40 | #define DRV_NAME "fnic" |
| 41 | #define DRV_DESCRIPTION "Cisco FCoE HBA Driver" |
Satish Kharat | 1b6ac5e | 2016-03-18 11:22:50 -0700 | [diff] [blame] | 42 | #define DRV_VERSION "1.6.0.21" |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 43 | #define PFX DRV_NAME ": " |
| 44 | #define DFX DRV_NAME "%d: " |
| 45 | |
| 46 | #define DESC_CLEAN_LOW_WATERMARK 8 |
Hiral Patel | fc85799 | 2013-09-09 13:31:51 -0700 | [diff] [blame] | 47 | #define FNIC_UCSM_DFLT_THROTTLE_CNT_BLD 16 /* UCSM default throttle count */ |
| 48 | #define FNIC_MIN_IO_REQ 256 /* Min IO throttle count */ |
Hiral Shah | c8ff03c | 2014-04-18 12:28:17 -0700 | [diff] [blame] | 49 | #define FNIC_MAX_IO_REQ 1024 /* scsi_cmnd tag map entries */ |
| 50 | #define FNIC_DFLT_IO_REQ 256 /* Default scsi_cmnd tag map entries */ |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 51 | #define FNIC_IO_LOCKS 64 /* IO locks: power of 2 */ |
| 52 | #define FNIC_DFLT_QUEUE_DEPTH 32 |
| 53 | #define FNIC_STATS_RATE_LIMIT 4 /* limit rate at which stats are pulled up */ |
Vasu Dev | da87bfa | 2010-04-09 14:22:59 -0700 | [diff] [blame] | 54 | |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 55 | /* |
| 56 | * Tag bits used for special requests. |
| 57 | */ |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 58 | #define FNIC_TAG_ABORT BIT(30) /* tag bit indicating abort */ |
| 59 | #define FNIC_TAG_DEV_RST BIT(29) /* indicates device reset */ |
| 60 | #define FNIC_TAG_MASK (BIT(24) - 1) /* mask for lookup */ |
| 61 | #define FNIC_NO_TAG -1 |
| 62 | |
| 63 | /* |
Hiral Patel | 0329855 | 2013-02-12 17:00:58 -0800 | [diff] [blame] | 64 | * Command flags to identify the type of command and for other future |
| 65 | * use. |
| 66 | */ |
Hiral Patel | 14eb5d9 | 2013-02-12 17:01:01 -0800 | [diff] [blame] | 67 | #define FNIC_NO_FLAGS 0 |
| 68 | #define FNIC_IO_INITIALIZED BIT(0) |
| 69 | #define FNIC_IO_ISSUED BIT(1) |
| 70 | #define FNIC_IO_DONE BIT(2) |
| 71 | #define FNIC_IO_REQ_NULL BIT(3) |
| 72 | #define FNIC_IO_ABTS_PENDING BIT(4) |
| 73 | #define FNIC_IO_ABORTED BIT(5) |
| 74 | #define FNIC_IO_ABTS_ISSUED BIT(6) |
| 75 | #define FNIC_IO_TERM_ISSUED BIT(7) |
| 76 | #define FNIC_IO_INTERNAL_TERM_ISSUED BIT(8) |
| 77 | #define FNIC_IO_ABT_TERM_DONE BIT(9) |
| 78 | #define FNIC_IO_ABT_TERM_REQ_NULL BIT(10) |
| 79 | #define FNIC_IO_ABT_TERM_TIMED_OUT BIT(11) |
| 80 | #define FNIC_DEVICE_RESET BIT(12) /* Device reset request */ |
| 81 | #define FNIC_DEV_RST_ISSUED BIT(13) |
| 82 | #define FNIC_DEV_RST_TIMED_OUT BIT(14) |
| 83 | #define FNIC_DEV_RST_ABTS_ISSUED BIT(15) |
| 84 | #define FNIC_DEV_RST_TERM_ISSUED BIT(16) |
| 85 | #define FNIC_DEV_RST_DONE BIT(17) |
| 86 | #define FNIC_DEV_RST_REQ_NULL BIT(18) |
| 87 | #define FNIC_DEV_RST_ABTS_DONE BIT(19) |
| 88 | #define FNIC_DEV_RST_TERM_DONE BIT(20) |
| 89 | #define FNIC_DEV_RST_ABTS_PENDING BIT(21) |
Hiral Patel | 0329855 | 2013-02-12 17:00:58 -0800 | [diff] [blame] | 90 | |
| 91 | /* |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 92 | * Usage of the scsi_cmnd scratchpad. |
| 93 | * These fields are locked by the hashed io_req_lock. |
| 94 | */ |
| 95 | #define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr) |
| 96 | #define CMD_STATE(Cmnd) ((Cmnd)->SCp.phase) |
| 97 | #define CMD_ABTS_STATUS(Cmnd) ((Cmnd)->SCp.Message) |
| 98 | #define CMD_LR_STATUS(Cmnd) ((Cmnd)->SCp.have_data_in) |
| 99 | #define CMD_TAG(Cmnd) ((Cmnd)->SCp.sent_command) |
Hiral Patel | 0329855 | 2013-02-12 17:00:58 -0800 | [diff] [blame] | 100 | #define CMD_FLAGS(Cmnd) ((Cmnd)->SCp.Status) |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 101 | |
| 102 | #define FCPIO_INVALID_CODE 0x100 /* hdr_status value unused by firmware */ |
| 103 | |
| 104 | #define FNIC_LUN_RESET_TIMEOUT 10000 /* mSec */ |
| 105 | #define FNIC_HOST_RESET_TIMEOUT 10000 /* mSec */ |
| 106 | #define FNIC_RMDEVICE_TIMEOUT 1000 /* mSec */ |
| 107 | #define FNIC_HOST_RESET_SETTLE_TIME 30 /* Sec */ |
Hiral Patel | 0329855 | 2013-02-12 17:00:58 -0800 | [diff] [blame] | 108 | #define FNIC_ABT_TERM_DELAY_TIMEOUT 500 /* mSec */ |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 109 | |
| 110 | #define FNIC_MAX_FCP_TARGET 256 |
| 111 | |
Hiral Patel | 0329855 | 2013-02-12 17:00:58 -0800 | [diff] [blame] | 112 | /** |
| 113 | * state_flags to identify host state along along with fnic's state |
| 114 | **/ |
| 115 | #define __FNIC_FLAGS_FWRESET BIT(0) /* fwreset in progress */ |
| 116 | #define __FNIC_FLAGS_BLOCK_IO BIT(1) /* IOs are blocked */ |
| 117 | |
| 118 | #define FNIC_FLAGS_NONE (0) |
| 119 | #define FNIC_FLAGS_FWRESET (__FNIC_FLAGS_FWRESET | \ |
| 120 | __FNIC_FLAGS_BLOCK_IO) |
| 121 | |
| 122 | #define FNIC_FLAGS_IO_BLOCKED (__FNIC_FLAGS_BLOCK_IO) |
| 123 | |
| 124 | #define fnic_set_state_flags(fnicp, st_flags) \ |
| 125 | __fnic_set_state_flags(fnicp, st_flags, 0) |
| 126 | |
| 127 | #define fnic_clear_state_flags(fnicp, st_flags) \ |
| 128 | __fnic_set_state_flags(fnicp, st_flags, 1) |
| 129 | |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 130 | extern unsigned int fnic_log_level; |
| 131 | |
| 132 | #define FNIC_MAIN_LOGGING 0x01 |
| 133 | #define FNIC_FCS_LOGGING 0x02 |
| 134 | #define FNIC_SCSI_LOGGING 0x04 |
| 135 | #define FNIC_ISR_LOGGING 0x08 |
| 136 | |
| 137 | #define FNIC_CHECK_LOGGING(LEVEL, CMD) \ |
| 138 | do { \ |
| 139 | if (unlikely(fnic_log_level & LEVEL)) \ |
| 140 | do { \ |
| 141 | CMD; \ |
| 142 | } while (0); \ |
| 143 | } while (0) |
| 144 | |
| 145 | #define FNIC_MAIN_DBG(kern_level, host, fmt, args...) \ |
| 146 | FNIC_CHECK_LOGGING(FNIC_MAIN_LOGGING, \ |
| 147 | shost_printk(kern_level, host, fmt, ##args);) |
| 148 | |
| 149 | #define FNIC_FCS_DBG(kern_level, host, fmt, args...) \ |
| 150 | FNIC_CHECK_LOGGING(FNIC_FCS_LOGGING, \ |
| 151 | shost_printk(kern_level, host, fmt, ##args);) |
| 152 | |
| 153 | #define FNIC_SCSI_DBG(kern_level, host, fmt, args...) \ |
| 154 | FNIC_CHECK_LOGGING(FNIC_SCSI_LOGGING, \ |
| 155 | shost_printk(kern_level, host, fmt, ##args);) |
| 156 | |
| 157 | #define FNIC_ISR_DBG(kern_level, host, fmt, args...) \ |
| 158 | FNIC_CHECK_LOGGING(FNIC_ISR_LOGGING, \ |
| 159 | shost_printk(kern_level, host, fmt, ##args);) |
| 160 | |
Narsimhulu Musini | 1adee04 | 2013-09-09 13:31:45 -0700 | [diff] [blame] | 161 | #define FNIC_MAIN_NOTE(kern_level, host, fmt, args...) \ |
| 162 | shost_printk(kern_level, host, fmt, ##args) |
| 163 | |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 164 | extern const char *fnic_state_str[]; |
| 165 | |
| 166 | enum fnic_intx_intr_index { |
| 167 | FNIC_INTX_WQ_RQ_COPYWQ, |
| 168 | FNIC_INTX_ERR, |
| 169 | FNIC_INTX_NOTIFY, |
| 170 | FNIC_INTX_INTR_MAX, |
| 171 | }; |
| 172 | |
| 173 | enum fnic_msix_intr_index { |
| 174 | FNIC_MSIX_RQ, |
| 175 | FNIC_MSIX_WQ, |
| 176 | FNIC_MSIX_WQ_COPY, |
| 177 | FNIC_MSIX_ERR_NOTIFY, |
| 178 | FNIC_MSIX_INTR_MAX, |
| 179 | }; |
| 180 | |
| 181 | struct fnic_msix_entry { |
| 182 | int requested; |
| 183 | char devname[IFNAMSIZ]; |
| 184 | irqreturn_t (*isr)(int, void *); |
| 185 | void *devid; |
| 186 | }; |
| 187 | |
| 188 | enum fnic_state { |
| 189 | FNIC_IN_FC_MODE = 0, |
| 190 | FNIC_IN_FC_TRANS_ETH_MODE, |
| 191 | FNIC_IN_ETH_MODE, |
| 192 | FNIC_IN_ETH_TRANS_FC_MODE, |
| 193 | }; |
| 194 | |
| 195 | #define FNIC_WQ_COPY_MAX 1 |
| 196 | #define FNIC_WQ_MAX 1 |
| 197 | #define FNIC_RQ_MAX 1 |
| 198 | #define FNIC_CQ_MAX (FNIC_WQ_COPY_MAX + FNIC_WQ_MAX + FNIC_RQ_MAX) |
| 199 | |
| 200 | struct mempool; |
| 201 | |
Hiral Patel | d3c995f | 2013-02-25 16:18:36 -0800 | [diff] [blame] | 202 | enum fnic_evt { |
| 203 | FNIC_EVT_START_VLAN_DISC = 1, |
| 204 | FNIC_EVT_START_FCF_DISC = 2, |
| 205 | FNIC_EVT_MAX, |
| 206 | }; |
| 207 | |
| 208 | struct fnic_event { |
| 209 | struct list_head list; |
| 210 | struct fnic *fnic; |
| 211 | enum fnic_evt event; |
| 212 | }; |
| 213 | |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 214 | /* Per-instance private data structure */ |
| 215 | struct fnic { |
| 216 | struct fc_lport *lport; |
Joe Eykholt | 78112e5 | 2009-11-03 11:49:22 -0800 | [diff] [blame] | 217 | struct fcoe_ctlr ctlr; /* FIP FCoE controller structure */ |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 218 | struct vnic_dev_bar bar0; |
| 219 | |
| 220 | struct msix_entry msix_entry[FNIC_MSIX_INTR_MAX]; |
| 221 | struct fnic_msix_entry msix[FNIC_MSIX_INTR_MAX]; |
| 222 | |
| 223 | struct vnic_stats *stats; |
| 224 | unsigned long stats_time; /* time of stats update */ |
Narsimhulu Musini | 1adee04 | 2013-09-09 13:31:45 -0700 | [diff] [blame] | 225 | unsigned long stats_reset_time; /* time of stats reset */ |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 226 | struct vnic_nic_cfg *nic_cfg; |
| 227 | char name[IFNAMSIZ]; |
| 228 | struct timer_list notify_timer; /* used for MSI interrupts */ |
| 229 | |
Hiral Patel | fc85799 | 2013-09-09 13:31:51 -0700 | [diff] [blame] | 230 | unsigned int fnic_max_tag_id; |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 231 | unsigned int err_intr_offset; |
| 232 | unsigned int link_intr_offset; |
| 233 | |
| 234 | unsigned int wq_count; |
| 235 | unsigned int cq_count; |
| 236 | |
Hiral Patel | 67125b0 | 2013-09-12 17:45:42 -0700 | [diff] [blame] | 237 | struct dentry *fnic_stats_debugfs_host; |
| 238 | struct dentry *fnic_stats_debugfs_file; |
| 239 | struct dentry *fnic_reset_debugfs_file; |
| 240 | unsigned int reset_stats; |
| 241 | atomic64_t io_cmpl_skip; |
| 242 | struct fnic_stats fnic_stats; |
| 243 | |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 244 | u32 vlan_hw_insert:1; /* let hw insert the tag */ |
| 245 | u32 in_remove:1; /* fnic device in removal */ |
| 246 | u32 stop_rx_link_events:1; /* stop proc. rx frames, link events */ |
| 247 | |
| 248 | struct completion *remove_wait; /* device remove thread blocks */ |
| 249 | |
Hiral Patel | 0329855 | 2013-02-12 17:00:58 -0800 | [diff] [blame] | 250 | atomic_t in_flight; /* io counter */ |
| 251 | u32 _reserved; /* fill hole */ |
| 252 | unsigned long state_flags; /* protected by host lock */ |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 253 | enum fnic_state state; |
| 254 | spinlock_t fnic_lock; |
| 255 | |
| 256 | u16 vlan_id; /* VLAN tag including priority */ |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 257 | u8 data_src_addr[ETH_ALEN]; |
| 258 | u64 fcp_input_bytes; /* internal statistic */ |
| 259 | u64 fcp_output_bytes; /* internal statistic */ |
| 260 | u32 link_down_cnt; |
| 261 | int link_status; |
| 262 | |
| 263 | struct list_head list; |
| 264 | struct pci_dev *pdev; |
| 265 | struct vnic_fc_config config; |
| 266 | struct vnic_dev *vdev; |
| 267 | unsigned int raw_wq_count; |
| 268 | unsigned int wq_copy_count; |
| 269 | unsigned int rq_count; |
| 270 | int fw_ack_index[FNIC_WQ_COPY_MAX]; |
| 271 | unsigned short fw_ack_recd[FNIC_WQ_COPY_MAX]; |
| 272 | unsigned short wq_copy_desc_low[FNIC_WQ_COPY_MAX]; |
| 273 | unsigned int intr_count; |
| 274 | u32 __iomem *legacy_pba; |
| 275 | struct fnic_host_tag *tags; |
| 276 | mempool_t *io_req_pool; |
| 277 | mempool_t *io_sgl_pool[FNIC_SGL_NUM_CACHES]; |
| 278 | spinlock_t io_req_lock[FNIC_IO_LOCKS]; /* locks for scsi cmnds */ |
| 279 | |
| 280 | struct work_struct link_work; |
| 281 | struct work_struct frame_work; |
| 282 | struct sk_buff_head frame_queue; |
Joe Eykholt | 78112e5 | 2009-11-03 11:49:22 -0800 | [diff] [blame] | 283 | struct sk_buff_head tx_queue; |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 284 | |
Hiral Patel | d3c995f | 2013-02-25 16:18:36 -0800 | [diff] [blame] | 285 | /*** FIP related data members -- start ***/ |
| 286 | void (*set_vlan)(struct fnic *, u16 vlan); |
| 287 | struct work_struct fip_frame_work; |
| 288 | struct sk_buff_head fip_frame_queue; |
| 289 | struct timer_list fip_timer; |
| 290 | struct list_head vlans; |
| 291 | spinlock_t vlans_lock; |
| 292 | |
| 293 | struct work_struct event_work; |
| 294 | struct list_head evlist; |
| 295 | /*** FIP related data members -- end ***/ |
| 296 | |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 297 | /* copy work queue cache line section */ |
| 298 | ____cacheline_aligned struct vnic_wq_copy wq_copy[FNIC_WQ_COPY_MAX]; |
| 299 | /* completion queue cache line section */ |
| 300 | ____cacheline_aligned struct vnic_cq cq[FNIC_CQ_MAX]; |
| 301 | |
| 302 | spinlock_t wq_copy_lock[FNIC_WQ_COPY_MAX]; |
| 303 | |
| 304 | /* work queue cache line section */ |
| 305 | ____cacheline_aligned struct vnic_wq wq[FNIC_WQ_MAX]; |
| 306 | spinlock_t wq_lock[FNIC_WQ_MAX]; |
| 307 | |
| 308 | /* receive queue cache line section */ |
| 309 | ____cacheline_aligned struct vnic_rq rq[FNIC_RQ_MAX]; |
| 310 | |
| 311 | /* interrupt resource cache line section */ |
| 312 | ____cacheline_aligned struct vnic_intr intr[FNIC_MSIX_INTR_MAX]; |
| 313 | }; |
| 314 | |
Joe Eykholt | 78112e5 | 2009-11-03 11:49:22 -0800 | [diff] [blame] | 315 | static inline struct fnic *fnic_from_ctlr(struct fcoe_ctlr *fip) |
| 316 | { |
| 317 | return container_of(fip, struct fnic, ctlr); |
| 318 | } |
| 319 | |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 320 | extern struct workqueue_struct *fnic_event_queue; |
Hiral Patel | d3c995f | 2013-02-25 16:18:36 -0800 | [diff] [blame] | 321 | extern struct workqueue_struct *fnic_fip_queue; |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 322 | extern struct device_attribute *fnic_attrs[]; |
| 323 | |
| 324 | void fnic_clear_intr_mode(struct fnic *fnic); |
| 325 | int fnic_set_intr_mode(struct fnic *fnic); |
| 326 | void fnic_free_intr(struct fnic *fnic); |
| 327 | int fnic_request_intr(struct fnic *fnic); |
| 328 | |
| 329 | int fnic_send(struct fc_lport *, struct fc_frame *); |
| 330 | void fnic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf); |
| 331 | void fnic_handle_frame(struct work_struct *work); |
| 332 | void fnic_handle_link(struct work_struct *work); |
Hiral Patel | d3c995f | 2013-02-25 16:18:36 -0800 | [diff] [blame] | 333 | void fnic_handle_event(struct work_struct *work); |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 334 | int fnic_rq_cmpl_handler(struct fnic *fnic, int); |
| 335 | int fnic_alloc_rq_frame(struct vnic_rq *rq); |
| 336 | void fnic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf); |
Joe Eykholt | 78112e5 | 2009-11-03 11:49:22 -0800 | [diff] [blame] | 337 | void fnic_flush_tx(struct fnic *); |
| 338 | void fnic_eth_send(struct fcoe_ctlr *, struct sk_buff *skb); |
| 339 | void fnic_set_port_id(struct fc_lport *, u32, struct fc_frame *); |
| 340 | void fnic_update_mac(struct fc_lport *, u8 *new); |
| 341 | void fnic_update_mac_locked(struct fnic *, u8 *new); |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 342 | |
Jeff Garzik | f281233 | 2010-11-16 02:10:29 -0500 | [diff] [blame] | 343 | int fnic_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 344 | int fnic_abort_cmd(struct scsi_cmnd *); |
| 345 | int fnic_device_reset(struct scsi_cmnd *); |
| 346 | int fnic_host_reset(struct scsi_cmnd *); |
| 347 | int fnic_reset(struct Scsi_Host *); |
| 348 | void fnic_scsi_cleanup(struct fc_lport *); |
| 349 | void fnic_scsi_abort_io(struct fc_lport *); |
| 350 | void fnic_empty_scsi_cleanup(struct fc_lport *); |
| 351 | void fnic_exch_mgr_reset(struct fc_lport *, u32, u32); |
| 352 | int fnic_wq_copy_cmpl_handler(struct fnic *fnic, int); |
| 353 | int fnic_wq_cmpl_handler(struct fnic *fnic, int); |
Joe Eykholt | 78112e5 | 2009-11-03 11:49:22 -0800 | [diff] [blame] | 354 | int fnic_flogi_reg_handler(struct fnic *fnic, u32); |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 355 | void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq, |
| 356 | struct fcpio_host_req *desc); |
| 357 | int fnic_fw_reset_handler(struct fnic *fnic); |
| 358 | void fnic_terminate_rport_io(struct fc_rport *); |
| 359 | const char *fnic_state_to_str(unsigned int state); |
| 360 | |
| 361 | void fnic_log_q_error(struct fnic *fnic); |
| 362 | void fnic_handle_link_event(struct fnic *fnic); |
| 363 | |
Hiral Patel | a0bf1ca | 2013-02-12 17:01:00 -0800 | [diff] [blame] | 364 | int fnic_is_abts_pending(struct fnic *, struct scsi_cmnd *); |
| 365 | |
Hiral Patel | d3c995f | 2013-02-25 16:18:36 -0800 | [diff] [blame] | 366 | void fnic_handle_fip_frame(struct work_struct *work); |
| 367 | void fnic_handle_fip_event(struct fnic *fnic); |
| 368 | void fnic_fcoe_reset_vlans(struct fnic *fnic); |
| 369 | void fnic_fcoe_evlist_free(struct fnic *fnic); |
| 370 | extern void fnic_handle_fip_timer(struct fnic *fnic); |
| 371 | |
Hiral Patel | 0329855 | 2013-02-12 17:00:58 -0800 | [diff] [blame] | 372 | static inline int |
| 373 | fnic_chk_state_flags_locked(struct fnic *fnic, unsigned long st_flags) |
| 374 | { |
| 375 | return ((fnic->state_flags & st_flags) == st_flags); |
| 376 | } |
| 377 | void __fnic_set_state_flags(struct fnic *, unsigned long, unsigned long); |
Narsimhulu Musini | 1adee04 | 2013-09-09 13:31:45 -0700 | [diff] [blame] | 378 | void fnic_dump_fchost_stats(struct Scsi_Host *, struct fc_host_statistics *); |
Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 379 | #endif /* _FNIC_H_ */ |