cc1b373c0ace56e08564d3527de9f5da3f87b4e4
[sfrench/cifs-2.6.git] / drivers / net / ethernet / qlogic / qed / qed_fcoe.c
1 /* QLogic qed NIC Driver
2  * Copyright (c) 2015-2017  QLogic Corporation
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and /or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32
33 #include <linux/types.h>
34 #include <asm/byteorder.h>
35 #include <asm/param.h>
36 #include <linux/delay.h>
37 #include <linux/dma-mapping.h>
38 #include <linux/interrupt.h>
39 #include <linux/kernel.h>
40 #include <linux/log2.h>
41 #include <linux/module.h>
42 #include <linux/pci.h>
43 #include <linux/slab.h>
44 #include <linux/stddef.h>
45 #include <linux/string.h>
46 #include <linux/workqueue.h>
47 #include <linux/errno.h>
48 #include <linux/list.h>
49 #include <linux/spinlock.h>
50 #define __PREVENT_DUMP_MEM_ARR__
51 #define __PREVENT_PXP_GLOBAL_WIN__
52 #include "qed.h"
53 #include "qed_cxt.h"
54 #include "qed_dev_api.h"
55 #include "qed_fcoe.h"
56 #include "qed_hsi.h"
57 #include "qed_hw.h"
58 #include "qed_int.h"
59 #include "qed_ll2.h"
60 #include "qed_mcp.h"
61 #include "qed_reg_addr.h"
62 #include "qed_sp.h"
63 #include "qed_sriov.h"
64 #include <linux/qed/qed_fcoe_if.h>
65
66 struct qed_fcoe_conn {
67         struct list_head list_entry;
68         bool free_on_delete;
69
70         u16 conn_id;
71         u32 icid;
72         u32 fw_cid;
73         u8 layer_code;
74
75         dma_addr_t sq_pbl_addr;
76         dma_addr_t sq_curr_page_addr;
77         dma_addr_t sq_next_page_addr;
78         dma_addr_t xferq_pbl_addr;
79         void *xferq_pbl_addr_virt_addr;
80         dma_addr_t xferq_addr[4];
81         void *xferq_addr_virt_addr[4];
82         dma_addr_t confq_pbl_addr;
83         void *confq_pbl_addr_virt_addr;
84         dma_addr_t confq_addr[2];
85         void *confq_addr_virt_addr[2];
86
87         dma_addr_t terminate_params;
88
89         u16 dst_mac_addr_lo;
90         u16 dst_mac_addr_mid;
91         u16 dst_mac_addr_hi;
92         u16 src_mac_addr_lo;
93         u16 src_mac_addr_mid;
94         u16 src_mac_addr_hi;
95
96         u16 tx_max_fc_pay_len;
97         u16 e_d_tov_timer_val;
98         u16 rec_tov_timer_val;
99         u16 rx_max_fc_pay_len;
100         u16 vlan_tag;
101         u16 physical_q0;
102
103         struct fc_addr_nw s_id;
104         u8 max_conc_seqs_c3;
105         struct fc_addr_nw d_id;
106         u8 flags;
107         u8 def_q_idx;
108 };
109
110 static int
111 qed_sp_fcoe_func_start(struct qed_hwfn *p_hwfn,
112                        enum spq_mode comp_mode,
113                        struct qed_spq_comp_cb *p_comp_addr)
114 {
115         struct qed_fcoe_pf_params *fcoe_pf_params = NULL;
116         struct fcoe_init_ramrod_params *p_ramrod = NULL;
117         struct fcoe_init_func_ramrod_data *p_data;
118         struct e4_fcoe_conn_context *p_cxt = NULL;
119         struct qed_spq_entry *p_ent = NULL;
120         struct qed_sp_init_data init_data;
121         struct qed_cxt_info cxt_info;
122         u32 dummy_cid;
123         int rc = 0;
124         u16 tmp;
125         u8 i;
126
127         /* Get SPQ entry */
128         memset(&init_data, 0, sizeof(init_data));
129         init_data.cid = qed_spq_get_cid(p_hwfn);
130         init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
131         init_data.comp_mode = comp_mode;
132         init_data.p_comp_data = p_comp_addr;
133
134         rc = qed_sp_init_request(p_hwfn, &p_ent,
135                                  FCOE_RAMROD_CMD_ID_INIT_FUNC,
136                                  PROTOCOLID_FCOE, &init_data);
137         if (rc)
138                 return rc;
139
140         p_ramrod = &p_ent->ramrod.fcoe_init;
141         p_data = &p_ramrod->init_ramrod_data;
142         fcoe_pf_params = &p_hwfn->pf_params.fcoe_pf_params;
143
144         /* Sanity */
145         if (fcoe_pf_params->num_cqs > p_hwfn->hw_info.feat_num[QED_FCOE_CQ]) {
146                 DP_ERR(p_hwfn,
147                        "Cannot satisfy CQ amount. CQs requested %d, CQs available %d. Aborting function start\n",
148                        fcoe_pf_params->num_cqs,
149                        p_hwfn->hw_info.feat_num[QED_FCOE_CQ]);
150                 return -EINVAL;
151         }
152
153         p_data->mtu = cpu_to_le16(fcoe_pf_params->mtu);
154         tmp = cpu_to_le16(fcoe_pf_params->sq_num_pbl_pages);
155         p_data->sq_num_pages_in_pbl = tmp;
156
157         rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_FCOE, &dummy_cid);
158         if (rc)
159                 return rc;
160
161         cxt_info.iid = dummy_cid;
162         rc = qed_cxt_get_cid_info(p_hwfn, &cxt_info);
163         if (rc) {
164                 DP_NOTICE(p_hwfn, "Cannot find context info for dummy cid=%d\n",
165                           dummy_cid);
166                 return rc;
167         }
168         p_cxt = cxt_info.p_cxt;
169         SET_FIELD(p_cxt->tstorm_ag_context.flags3,
170                   E4_TSTORM_FCOE_CONN_AG_CTX_DUMMY_TIMER_CF_EN, 1);
171
172         fcoe_pf_params->dummy_icid = (u16)dummy_cid;
173
174         tmp = cpu_to_le16(fcoe_pf_params->num_tasks);
175         p_data->func_params.num_tasks = tmp;
176         p_data->func_params.log_page_size = fcoe_pf_params->log_page_size;
177         p_data->func_params.debug_mode = fcoe_pf_params->debug_mode;
178
179         DMA_REGPAIR_LE(p_data->q_params.glbl_q_params_addr,
180                        fcoe_pf_params->glbl_q_params_addr);
181
182         tmp = cpu_to_le16(fcoe_pf_params->cq_num_entries);
183         p_data->q_params.cq_num_entries = tmp;
184
185         tmp = cpu_to_le16(fcoe_pf_params->cmdq_num_entries);
186         p_data->q_params.cmdq_num_entries = tmp;
187
188         tmp = fcoe_pf_params->num_cqs;
189         p_data->q_params.num_queues = (u8)tmp;
190
191         tmp = (u16)p_hwfn->hw_info.resc_start[QED_CMDQS_CQS];
192         p_data->q_params.queue_relative_offset = (u8)tmp;
193
194         for (i = 0; i < fcoe_pf_params->num_cqs; i++) {
195                 u16 igu_sb_id;
196
197                 igu_sb_id = qed_get_igu_sb_id(p_hwfn, i);
198                 tmp = cpu_to_le16(igu_sb_id);
199                 p_data->q_params.cq_cmdq_sb_num_arr[i] = tmp;
200         }
201
202         p_data->q_params.cq_sb_pi = fcoe_pf_params->gl_rq_pi;
203         p_data->q_params.cmdq_sb_pi = fcoe_pf_params->gl_cmd_pi;
204
205         p_data->q_params.bdq_resource_id = (u8)RESC_START(p_hwfn, QED_BDQ);
206
207         DMA_REGPAIR_LE(p_data->q_params.bdq_pbl_base_address[BDQ_ID_RQ],
208                        fcoe_pf_params->bdq_pbl_base_addr[BDQ_ID_RQ]);
209         p_data->q_params.bdq_pbl_num_entries[BDQ_ID_RQ] =
210             fcoe_pf_params->bdq_pbl_num_entries[BDQ_ID_RQ];
211         tmp = fcoe_pf_params->bdq_xoff_threshold[BDQ_ID_RQ];
212         p_data->q_params.bdq_xoff_threshold[BDQ_ID_RQ] = cpu_to_le16(tmp);
213         tmp = fcoe_pf_params->bdq_xon_threshold[BDQ_ID_RQ];
214         p_data->q_params.bdq_xon_threshold[BDQ_ID_RQ] = cpu_to_le16(tmp);
215
216         DMA_REGPAIR_LE(p_data->q_params.bdq_pbl_base_address[BDQ_ID_IMM_DATA],
217                        fcoe_pf_params->bdq_pbl_base_addr[BDQ_ID_IMM_DATA]);
218         p_data->q_params.bdq_pbl_num_entries[BDQ_ID_IMM_DATA] =
219             fcoe_pf_params->bdq_pbl_num_entries[BDQ_ID_IMM_DATA];
220         tmp = fcoe_pf_params->bdq_xoff_threshold[BDQ_ID_IMM_DATA];
221         p_data->q_params.bdq_xoff_threshold[BDQ_ID_IMM_DATA] = cpu_to_le16(tmp);
222         tmp = fcoe_pf_params->bdq_xon_threshold[BDQ_ID_IMM_DATA];
223         p_data->q_params.bdq_xon_threshold[BDQ_ID_IMM_DATA] = cpu_to_le16(tmp);
224         tmp = fcoe_pf_params->rq_buffer_size;
225         p_data->q_params.rq_buffer_size = cpu_to_le16(tmp);
226
227         if (fcoe_pf_params->is_target) {
228                 SET_FIELD(p_data->q_params.q_validity,
229                           SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1);
230                 if (p_data->q_params.bdq_pbl_num_entries[BDQ_ID_IMM_DATA])
231                         SET_FIELD(p_data->q_params.q_validity,
232                                   SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID, 1);
233                 SET_FIELD(p_data->q_params.q_validity,
234                           SCSI_INIT_FUNC_QUEUES_CMD_VALID, 1);
235         } else {
236                 SET_FIELD(p_data->q_params.q_validity,
237                           SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1);
238         }
239
240         rc = qed_spq_post(p_hwfn, p_ent, NULL);
241
242         return rc;
243 }
244
245 static int
246 qed_sp_fcoe_conn_offload(struct qed_hwfn *p_hwfn,
247                          struct qed_fcoe_conn *p_conn,
248                          enum spq_mode comp_mode,
249                          struct qed_spq_comp_cb *p_comp_addr)
250 {
251         struct fcoe_conn_offload_ramrod_params *p_ramrod = NULL;
252         struct fcoe_conn_offload_ramrod_data *p_data;
253         struct qed_spq_entry *p_ent = NULL;
254         struct qed_sp_init_data init_data;
255         u16 physical_q0, tmp;
256         int rc;
257
258         /* Get SPQ entry */
259         memset(&init_data, 0, sizeof(init_data));
260         init_data.cid = p_conn->icid;
261         init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
262         init_data.comp_mode = comp_mode;
263         init_data.p_comp_data = p_comp_addr;
264
265         rc = qed_sp_init_request(p_hwfn, &p_ent,
266                                  FCOE_RAMROD_CMD_ID_OFFLOAD_CONN,
267                                  PROTOCOLID_FCOE, &init_data);
268         if (rc)
269                 return rc;
270
271         p_ramrod = &p_ent->ramrod.fcoe_conn_ofld;
272         p_data = &p_ramrod->offload_ramrod_data;
273
274         /* Transmission PQ is the first of the PF */
275         physical_q0 = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
276         p_conn->physical_q0 = cpu_to_le16(physical_q0);
277         p_data->physical_q0 = cpu_to_le16(physical_q0);
278
279         p_data->conn_id = cpu_to_le16(p_conn->conn_id);
280         DMA_REGPAIR_LE(p_data->sq_pbl_addr, p_conn->sq_pbl_addr);
281         DMA_REGPAIR_LE(p_data->sq_curr_page_addr, p_conn->sq_curr_page_addr);
282         DMA_REGPAIR_LE(p_data->sq_next_page_addr, p_conn->sq_next_page_addr);
283         DMA_REGPAIR_LE(p_data->xferq_pbl_addr, p_conn->xferq_pbl_addr);
284         DMA_REGPAIR_LE(p_data->xferq_curr_page_addr, p_conn->xferq_addr[0]);
285         DMA_REGPAIR_LE(p_data->xferq_next_page_addr, p_conn->xferq_addr[1]);
286
287         DMA_REGPAIR_LE(p_data->respq_pbl_addr, p_conn->confq_pbl_addr);
288         DMA_REGPAIR_LE(p_data->respq_curr_page_addr, p_conn->confq_addr[0]);
289         DMA_REGPAIR_LE(p_data->respq_next_page_addr, p_conn->confq_addr[1]);
290
291         p_data->dst_mac_addr_lo = cpu_to_le16(p_conn->dst_mac_addr_lo);
292         p_data->dst_mac_addr_mid = cpu_to_le16(p_conn->dst_mac_addr_mid);
293         p_data->dst_mac_addr_hi = cpu_to_le16(p_conn->dst_mac_addr_hi);
294         p_data->src_mac_addr_lo = cpu_to_le16(p_conn->src_mac_addr_lo);
295         p_data->src_mac_addr_mid = cpu_to_le16(p_conn->src_mac_addr_mid);
296         p_data->src_mac_addr_hi = cpu_to_le16(p_conn->src_mac_addr_hi);
297
298         tmp = cpu_to_le16(p_conn->tx_max_fc_pay_len);
299         p_data->tx_max_fc_pay_len = tmp;
300         tmp = cpu_to_le16(p_conn->e_d_tov_timer_val);
301         p_data->e_d_tov_timer_val = tmp;
302         tmp = cpu_to_le16(p_conn->rec_tov_timer_val);
303         p_data->rec_rr_tov_timer_val = tmp;
304         tmp = cpu_to_le16(p_conn->rx_max_fc_pay_len);
305         p_data->rx_max_fc_pay_len = tmp;
306
307         p_data->vlan_tag = cpu_to_le16(p_conn->vlan_tag);
308         p_data->s_id.addr_hi = p_conn->s_id.addr_hi;
309         p_data->s_id.addr_mid = p_conn->s_id.addr_mid;
310         p_data->s_id.addr_lo = p_conn->s_id.addr_lo;
311         p_data->max_conc_seqs_c3 = p_conn->max_conc_seqs_c3;
312         p_data->d_id.addr_hi = p_conn->d_id.addr_hi;
313         p_data->d_id.addr_mid = p_conn->d_id.addr_mid;
314         p_data->d_id.addr_lo = p_conn->d_id.addr_lo;
315         p_data->flags = p_conn->flags;
316         if (test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits))
317                 SET_FIELD(p_data->flags,
318                           FCOE_CONN_OFFLOAD_RAMROD_DATA_B_SINGLE_VLAN, 1);
319         p_data->def_q_idx = p_conn->def_q_idx;
320
321         return qed_spq_post(p_hwfn, p_ent, NULL);
322 }
323
324 static int
325 qed_sp_fcoe_conn_destroy(struct qed_hwfn *p_hwfn,
326                          struct qed_fcoe_conn *p_conn,
327                          enum spq_mode comp_mode,
328                          struct qed_spq_comp_cb *p_comp_addr)
329 {
330         struct fcoe_conn_terminate_ramrod_params *p_ramrod = NULL;
331         struct qed_spq_entry *p_ent = NULL;
332         struct qed_sp_init_data init_data;
333         int rc = 0;
334
335         /* Get SPQ entry */
336         memset(&init_data, 0, sizeof(init_data));
337         init_data.cid = p_conn->icid;
338         init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
339         init_data.comp_mode = comp_mode;
340         init_data.p_comp_data = p_comp_addr;
341
342         rc = qed_sp_init_request(p_hwfn, &p_ent,
343                                  FCOE_RAMROD_CMD_ID_TERMINATE_CONN,
344                                  PROTOCOLID_FCOE, &init_data);
345         if (rc)
346                 return rc;
347
348         p_ramrod = &p_ent->ramrod.fcoe_conn_terminate;
349         DMA_REGPAIR_LE(p_ramrod->terminate_ramrod_data.terminate_params_addr,
350                        p_conn->terminate_params);
351
352         return qed_spq_post(p_hwfn, p_ent, NULL);
353 }
354
355 static int
356 qed_sp_fcoe_func_stop(struct qed_hwfn *p_hwfn,
357                       struct qed_ptt *p_ptt,
358                       enum spq_mode comp_mode,
359                       struct qed_spq_comp_cb *p_comp_addr)
360 {
361         struct qed_spq_entry *p_ent = NULL;
362         struct qed_sp_init_data init_data;
363         u32 active_segs = 0;
364         int rc = 0;
365
366         /* Get SPQ entry */
367         memset(&init_data, 0, sizeof(init_data));
368         init_data.cid = p_hwfn->pf_params.fcoe_pf_params.dummy_icid;
369         init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
370         init_data.comp_mode = comp_mode;
371         init_data.p_comp_data = p_comp_addr;
372
373         rc = qed_sp_init_request(p_hwfn, &p_ent,
374                                  FCOE_RAMROD_CMD_ID_DESTROY_FUNC,
375                                  PROTOCOLID_FCOE, &init_data);
376         if (rc)
377                 return rc;
378
379         active_segs = qed_rd(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK);
380         active_segs &= ~BIT(QED_CXT_FCOE_TID_SEG);
381         qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK, active_segs);
382
383         return qed_spq_post(p_hwfn, p_ent, NULL);
384 }
385
386 static int
387 qed_fcoe_allocate_connection(struct qed_hwfn *p_hwfn,
388                              struct qed_fcoe_conn **p_out_conn)
389 {
390         struct qed_fcoe_conn *p_conn = NULL;
391         void *p_addr;
392         u32 i;
393
394         spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
395         if (!list_empty(&p_hwfn->p_fcoe_info->free_list))
396                 p_conn =
397                     list_first_entry(&p_hwfn->p_fcoe_info->free_list,
398                                      struct qed_fcoe_conn, list_entry);
399         if (p_conn) {
400                 list_del(&p_conn->list_entry);
401                 spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
402                 *p_out_conn = p_conn;
403                 return 0;
404         }
405         spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
406
407         p_conn = kzalloc(sizeof(*p_conn), GFP_KERNEL);
408         if (!p_conn)
409                 return -ENOMEM;
410
411         p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
412                                     QED_CHAIN_PAGE_SIZE,
413                                     &p_conn->xferq_pbl_addr, GFP_KERNEL);
414         if (!p_addr)
415                 goto nomem_pbl_xferq;
416         p_conn->xferq_pbl_addr_virt_addr = p_addr;
417
418         for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++) {
419                 p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
420                                             QED_CHAIN_PAGE_SIZE,
421                                             &p_conn->xferq_addr[i], GFP_KERNEL);
422                 if (!p_addr)
423                         goto nomem_xferq;
424                 p_conn->xferq_addr_virt_addr[i] = p_addr;
425
426                 p_addr = p_conn->xferq_pbl_addr_virt_addr;
427                 ((dma_addr_t *)p_addr)[i] = p_conn->xferq_addr[i];
428         }
429
430         p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
431                                     QED_CHAIN_PAGE_SIZE,
432                                     &p_conn->confq_pbl_addr, GFP_KERNEL);
433         if (!p_addr)
434                 goto nomem_xferq;
435         p_conn->confq_pbl_addr_virt_addr = p_addr;
436
437         for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++) {
438                 p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
439                                             QED_CHAIN_PAGE_SIZE,
440                                             &p_conn->confq_addr[i], GFP_KERNEL);
441                 if (!p_addr)
442                         goto nomem_confq;
443                 p_conn->confq_addr_virt_addr[i] = p_addr;
444
445                 p_addr = p_conn->confq_pbl_addr_virt_addr;
446                 ((dma_addr_t *)p_addr)[i] = p_conn->confq_addr[i];
447         }
448
449         p_conn->free_on_delete = true;
450         *p_out_conn = p_conn;
451         return 0;
452
453 nomem_confq:
454         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
455                           QED_CHAIN_PAGE_SIZE,
456                           p_conn->confq_pbl_addr_virt_addr,
457                           p_conn->confq_pbl_addr);
458         for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++)
459                 if (p_conn->confq_addr_virt_addr[i])
460                         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
461                                           QED_CHAIN_PAGE_SIZE,
462                                           p_conn->confq_addr_virt_addr[i],
463                                           p_conn->confq_addr[i]);
464 nomem_xferq:
465         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
466                           QED_CHAIN_PAGE_SIZE,
467                           p_conn->xferq_pbl_addr_virt_addr,
468                           p_conn->xferq_pbl_addr);
469         for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++)
470                 if (p_conn->xferq_addr_virt_addr[i])
471                         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
472                                           QED_CHAIN_PAGE_SIZE,
473                                           p_conn->xferq_addr_virt_addr[i],
474                                           p_conn->xferq_addr[i]);
475 nomem_pbl_xferq:
476         kfree(p_conn);
477         return -ENOMEM;
478 }
479
480 static void qed_fcoe_free_connection(struct qed_hwfn *p_hwfn,
481                                      struct qed_fcoe_conn *p_conn)
482 {
483         u32 i;
484
485         if (!p_conn)
486                 return;
487
488         if (p_conn->confq_pbl_addr_virt_addr)
489                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
490                                   QED_CHAIN_PAGE_SIZE,
491                                   p_conn->confq_pbl_addr_virt_addr,
492                                   p_conn->confq_pbl_addr);
493
494         for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++) {
495                 if (!p_conn->confq_addr_virt_addr[i])
496                         continue;
497                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
498                                   QED_CHAIN_PAGE_SIZE,
499                                   p_conn->confq_addr_virt_addr[i],
500                                   p_conn->confq_addr[i]);
501         }
502
503         if (p_conn->xferq_pbl_addr_virt_addr)
504                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
505                                   QED_CHAIN_PAGE_SIZE,
506                                   p_conn->xferq_pbl_addr_virt_addr,
507                                   p_conn->xferq_pbl_addr);
508
509         for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++) {
510                 if (!p_conn->xferq_addr_virt_addr[i])
511                         continue;
512                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
513                                   QED_CHAIN_PAGE_SIZE,
514                                   p_conn->xferq_addr_virt_addr[i],
515                                   p_conn->xferq_addr[i]);
516         }
517         kfree(p_conn);
518 }
519
520 static void __iomem *qed_fcoe_get_db_addr(struct qed_hwfn *p_hwfn, u32 cid)
521 {
522         return (u8 __iomem *)p_hwfn->doorbells +
523                qed_db_addr(cid, DQ_DEMS_LEGACY);
524 }
525
526 static void __iomem *qed_fcoe_get_primary_bdq_prod(struct qed_hwfn *p_hwfn,
527                                                    u8 bdq_id)
528 {
529         if (RESC_NUM(p_hwfn, QED_BDQ)) {
530                 return (u8 __iomem *)p_hwfn->regview +
531                        GTT_BAR0_MAP_REG_MSDM_RAM +
532                        MSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn,
533                                                                   QED_BDQ),
534                                                        bdq_id);
535         } else {
536                 DP_NOTICE(p_hwfn, "BDQ is not allocated!\n");
537                 return NULL;
538         }
539 }
540
541 static void __iomem *qed_fcoe_get_secondary_bdq_prod(struct qed_hwfn *p_hwfn,
542                                                      u8 bdq_id)
543 {
544         if (RESC_NUM(p_hwfn, QED_BDQ)) {
545                 return (u8 __iomem *)p_hwfn->regview +
546                        GTT_BAR0_MAP_REG_TSDM_RAM +
547                        TSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn,
548                                                                   QED_BDQ),
549                                                        bdq_id);
550         } else {
551                 DP_NOTICE(p_hwfn, "BDQ is not allocated!\n");
552                 return NULL;
553         }
554 }
555
556 int qed_fcoe_alloc(struct qed_hwfn *p_hwfn)
557 {
558         struct qed_fcoe_info *p_fcoe_info;
559
560         /* Allocate LL2's set struct */
561         p_fcoe_info = kzalloc(sizeof(*p_fcoe_info), GFP_KERNEL);
562         if (!p_fcoe_info) {
563                 DP_NOTICE(p_hwfn, "Failed to allocate qed_fcoe_info'\n");
564                 return -ENOMEM;
565         }
566         INIT_LIST_HEAD(&p_fcoe_info->free_list);
567
568         p_hwfn->p_fcoe_info = p_fcoe_info;
569         return 0;
570 }
571
572 void qed_fcoe_setup(struct qed_hwfn *p_hwfn)
573 {
574         struct e4_fcoe_task_context *p_task_ctx = NULL;
575         int rc;
576         u32 i;
577
578         spin_lock_init(&p_hwfn->p_fcoe_info->lock);
579         for (i = 0; i < p_hwfn->pf_params.fcoe_pf_params.num_tasks; i++) {
580                 rc = qed_cxt_get_task_ctx(p_hwfn, i,
581                                           QED_CTX_WORKING_MEM,
582                                           (void **)&p_task_ctx);
583                 if (rc)
584                         continue;
585
586                 memset(p_task_ctx, 0, sizeof(struct e4_fcoe_task_context));
587                 SET_FIELD(p_task_ctx->timer_context.logical_client_0,
588                           TIMERS_CONTEXT_VALIDLC0, 1);
589                 SET_FIELD(p_task_ctx->timer_context.logical_client_1,
590                           TIMERS_CONTEXT_VALIDLC1, 1);
591                 SET_FIELD(p_task_ctx->tstorm_ag_context.flags0,
592                           E4_TSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE, 1);
593         }
594 }
595
596 void qed_fcoe_free(struct qed_hwfn *p_hwfn)
597 {
598         struct qed_fcoe_conn *p_conn = NULL;
599
600         if (!p_hwfn->p_fcoe_info)
601                 return;
602
603         while (!list_empty(&p_hwfn->p_fcoe_info->free_list)) {
604                 p_conn = list_first_entry(&p_hwfn->p_fcoe_info->free_list,
605                                           struct qed_fcoe_conn, list_entry);
606                 if (!p_conn)
607                         break;
608                 list_del(&p_conn->list_entry);
609                 qed_fcoe_free_connection(p_hwfn, p_conn);
610         }
611
612         kfree(p_hwfn->p_fcoe_info);
613         p_hwfn->p_fcoe_info = NULL;
614 }
615
616 static int
617 qed_fcoe_acquire_connection(struct qed_hwfn *p_hwfn,
618                             struct qed_fcoe_conn *p_in_conn,
619                             struct qed_fcoe_conn **p_out_conn)
620 {
621         struct qed_fcoe_conn *p_conn = NULL;
622         int rc = 0;
623         u32 icid;
624
625         spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
626         rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_FCOE, &icid);
627         spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
628         if (rc)
629                 return rc;
630
631         /* Use input connection [if provided] or allocate a new one */
632         if (p_in_conn) {
633                 p_conn = p_in_conn;
634         } else {
635                 rc = qed_fcoe_allocate_connection(p_hwfn, &p_conn);
636                 if (rc) {
637                         spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
638                         qed_cxt_release_cid(p_hwfn, icid);
639                         spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
640                         return rc;
641                 }
642         }
643
644         p_conn->icid = icid;
645         p_conn->fw_cid = (p_hwfn->hw_info.opaque_fid << 16) | icid;
646         *p_out_conn = p_conn;
647
648         return rc;
649 }
650
651 static void qed_fcoe_release_connection(struct qed_hwfn *p_hwfn,
652                                         struct qed_fcoe_conn *p_conn)
653 {
654         spin_lock_bh(&p_hwfn->p_fcoe_info->lock);
655         list_add_tail(&p_conn->list_entry, &p_hwfn->p_fcoe_info->free_list);
656         qed_cxt_release_cid(p_hwfn, p_conn->icid);
657         spin_unlock_bh(&p_hwfn->p_fcoe_info->lock);
658 }
659
660 static void _qed_fcoe_get_tstats(struct qed_hwfn *p_hwfn,
661                                  struct qed_ptt *p_ptt,
662                                  struct qed_fcoe_stats *p_stats)
663 {
664         struct fcoe_rx_stat tstats;
665         u32 tstats_addr;
666
667         memset(&tstats, 0, sizeof(tstats));
668         tstats_addr = BAR0_MAP_REG_TSDM_RAM +
669             TSTORM_FCOE_RX_STATS_OFFSET(p_hwfn->rel_pf_id);
670         qed_memcpy_from(p_hwfn, p_ptt, &tstats, tstats_addr, sizeof(tstats));
671
672         p_stats->fcoe_rx_byte_cnt = HILO_64_REGPAIR(tstats.fcoe_rx_byte_cnt);
673         p_stats->fcoe_rx_data_pkt_cnt =
674             HILO_64_REGPAIR(tstats.fcoe_rx_data_pkt_cnt);
675         p_stats->fcoe_rx_xfer_pkt_cnt =
676             HILO_64_REGPAIR(tstats.fcoe_rx_xfer_pkt_cnt);
677         p_stats->fcoe_rx_other_pkt_cnt =
678             HILO_64_REGPAIR(tstats.fcoe_rx_other_pkt_cnt);
679
680         p_stats->fcoe_silent_drop_pkt_cmdq_full_cnt =
681             le32_to_cpu(tstats.fcoe_silent_drop_pkt_cmdq_full_cnt);
682         p_stats->fcoe_silent_drop_pkt_rq_full_cnt =
683             le32_to_cpu(tstats.fcoe_silent_drop_pkt_rq_full_cnt);
684         p_stats->fcoe_silent_drop_pkt_crc_error_cnt =
685             le32_to_cpu(tstats.fcoe_silent_drop_pkt_crc_error_cnt);
686         p_stats->fcoe_silent_drop_pkt_task_invalid_cnt =
687             le32_to_cpu(tstats.fcoe_silent_drop_pkt_task_invalid_cnt);
688         p_stats->fcoe_silent_drop_total_pkt_cnt =
689             le32_to_cpu(tstats.fcoe_silent_drop_total_pkt_cnt);
690 }
691
692 static void _qed_fcoe_get_pstats(struct qed_hwfn *p_hwfn,
693                                  struct qed_ptt *p_ptt,
694                                  struct qed_fcoe_stats *p_stats)
695 {
696         struct fcoe_tx_stat pstats;
697         u32 pstats_addr;
698
699         memset(&pstats, 0, sizeof(pstats));
700         pstats_addr = BAR0_MAP_REG_PSDM_RAM +
701             PSTORM_FCOE_TX_STATS_OFFSET(p_hwfn->rel_pf_id);
702         qed_memcpy_from(p_hwfn, p_ptt, &pstats, pstats_addr, sizeof(pstats));
703
704         p_stats->fcoe_tx_byte_cnt = HILO_64_REGPAIR(pstats.fcoe_tx_byte_cnt);
705         p_stats->fcoe_tx_data_pkt_cnt =
706             HILO_64_REGPAIR(pstats.fcoe_tx_data_pkt_cnt);
707         p_stats->fcoe_tx_xfer_pkt_cnt =
708             HILO_64_REGPAIR(pstats.fcoe_tx_xfer_pkt_cnt);
709         p_stats->fcoe_tx_other_pkt_cnt =
710             HILO_64_REGPAIR(pstats.fcoe_tx_other_pkt_cnt);
711 }
712
713 static int qed_fcoe_get_stats(struct qed_hwfn *p_hwfn,
714                               struct qed_fcoe_stats *p_stats)
715 {
716         struct qed_ptt *p_ptt;
717
718         memset(p_stats, 0, sizeof(*p_stats));
719
720         p_ptt = qed_ptt_acquire(p_hwfn);
721
722         if (!p_ptt) {
723                 DP_ERR(p_hwfn, "Failed to acquire ptt\n");
724                 return -EINVAL;
725         }
726
727         _qed_fcoe_get_tstats(p_hwfn, p_ptt, p_stats);
728         _qed_fcoe_get_pstats(p_hwfn, p_ptt, p_stats);
729
730         qed_ptt_release(p_hwfn, p_ptt);
731
732         return 0;
733 }
734
735 struct qed_hash_fcoe_con {
736         struct hlist_node node;
737         struct qed_fcoe_conn *con;
738 };
739
740 static int qed_fill_fcoe_dev_info(struct qed_dev *cdev,
741                                   struct qed_dev_fcoe_info *info)
742 {
743         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
744         int rc;
745
746         memset(info, 0, sizeof(*info));
747         rc = qed_fill_dev_info(cdev, &info->common);
748
749         info->primary_dbq_rq_addr =
750             qed_fcoe_get_primary_bdq_prod(hwfn, BDQ_ID_RQ);
751         info->secondary_bdq_rq_addr =
752             qed_fcoe_get_secondary_bdq_prod(hwfn, BDQ_ID_RQ);
753
754         info->wwpn = hwfn->mcp_info->func_info.wwn_port;
755         info->wwnn = hwfn->mcp_info->func_info.wwn_node;
756
757         info->num_cqs = FEAT_NUM(hwfn, QED_FCOE_CQ);
758
759         return rc;
760 }
761
762 static void qed_register_fcoe_ops(struct qed_dev *cdev,
763                                   struct qed_fcoe_cb_ops *ops, void *cookie)
764 {
765         cdev->protocol_ops.fcoe = ops;
766         cdev->ops_cookie = cookie;
767 }
768
769 static struct qed_hash_fcoe_con *qed_fcoe_get_hash(struct qed_dev *cdev,
770                                                    u32 handle)
771 {
772         struct qed_hash_fcoe_con *hash_con = NULL;
773
774         if (!(cdev->flags & QED_FLAG_STORAGE_STARTED))
775                 return NULL;
776
777         hash_for_each_possible(cdev->connections, hash_con, node, handle) {
778                 if (hash_con->con->icid == handle)
779                         break;
780         }
781
782         if (!hash_con || (hash_con->con->icid != handle))
783                 return NULL;
784
785         return hash_con;
786 }
787
788 static int qed_fcoe_stop(struct qed_dev *cdev)
789 {
790         struct qed_ptt *p_ptt;
791         int rc;
792
793         if (!(cdev->flags & QED_FLAG_STORAGE_STARTED)) {
794                 DP_NOTICE(cdev, "fcoe already stopped\n");
795                 return 0;
796         }
797
798         if (!hash_empty(cdev->connections)) {
799                 DP_NOTICE(cdev,
800                           "Can't stop fcoe - not all connections were returned\n");
801                 return -EINVAL;
802         }
803
804         p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
805         if (!p_ptt)
806                 return -EAGAIN;
807
808         /* Stop the fcoe */
809         rc = qed_sp_fcoe_func_stop(QED_LEADING_HWFN(cdev), p_ptt,
810                                    QED_SPQ_MODE_EBLOCK, NULL);
811         cdev->flags &= ~QED_FLAG_STORAGE_STARTED;
812         qed_ptt_release(QED_LEADING_HWFN(cdev), p_ptt);
813
814         return rc;
815 }
816
817 static int qed_fcoe_start(struct qed_dev *cdev, struct qed_fcoe_tid *tasks)
818 {
819         int rc;
820
821         if (cdev->flags & QED_FLAG_STORAGE_STARTED) {
822                 DP_NOTICE(cdev, "fcoe already started;\n");
823                 return 0;
824         }
825
826         rc = qed_sp_fcoe_func_start(QED_LEADING_HWFN(cdev),
827                                     QED_SPQ_MODE_EBLOCK, NULL);
828         if (rc) {
829                 DP_NOTICE(cdev, "Failed to start fcoe\n");
830                 return rc;
831         }
832
833         cdev->flags |= QED_FLAG_STORAGE_STARTED;
834         hash_init(cdev->connections);
835
836         if (tasks) {
837                 struct qed_tid_mem *tid_info = kzalloc(sizeof(*tid_info),
838                                                        GFP_ATOMIC);
839
840                 if (!tid_info) {
841                         DP_NOTICE(cdev,
842                                   "Failed to allocate tasks information\n");
843                         qed_fcoe_stop(cdev);
844                         return -ENOMEM;
845                 }
846
847                 rc = qed_cxt_get_tid_mem_info(QED_LEADING_HWFN(cdev), tid_info);
848                 if (rc) {
849                         DP_NOTICE(cdev, "Failed to gather task information\n");
850                         qed_fcoe_stop(cdev);
851                         kfree(tid_info);
852                         return rc;
853                 }
854
855                 /* Fill task information */
856                 tasks->size = tid_info->tid_size;
857                 tasks->num_tids_per_block = tid_info->num_tids_per_block;
858                 memcpy(tasks->blocks, tid_info->blocks,
859                        MAX_TID_BLOCKS_FCOE * sizeof(u8 *));
860
861                 kfree(tid_info);
862         }
863
864         return 0;
865 }
866
867 static int qed_fcoe_acquire_conn(struct qed_dev *cdev,
868                                  u32 *handle,
869                                  u32 *fw_cid, void __iomem **p_doorbell)
870 {
871         struct qed_hash_fcoe_con *hash_con;
872         int rc;
873
874         /* Allocate a hashed connection */
875         hash_con = kzalloc(sizeof(*hash_con), GFP_KERNEL);
876         if (!hash_con) {
877                 DP_NOTICE(cdev, "Failed to allocate hashed connection\n");
878                 return -ENOMEM;
879         }
880
881         /* Acquire the connection */
882         rc = qed_fcoe_acquire_connection(QED_LEADING_HWFN(cdev), NULL,
883                                          &hash_con->con);
884         if (rc) {
885                 DP_NOTICE(cdev, "Failed to acquire Connection\n");
886                 kfree(hash_con);
887                 return rc;
888         }
889
890         /* Added the connection to hash table */
891         *handle = hash_con->con->icid;
892         *fw_cid = hash_con->con->fw_cid;
893         hash_add(cdev->connections, &hash_con->node, *handle);
894
895         if (p_doorbell)
896                 *p_doorbell = qed_fcoe_get_db_addr(QED_LEADING_HWFN(cdev),
897                                                    *handle);
898
899         return 0;
900 }
901
902 static int qed_fcoe_release_conn(struct qed_dev *cdev, u32 handle)
903 {
904         struct qed_hash_fcoe_con *hash_con;
905
906         hash_con = qed_fcoe_get_hash(cdev, handle);
907         if (!hash_con) {
908                 DP_NOTICE(cdev, "Failed to find connection for handle %d\n",
909                           handle);
910                 return -EINVAL;
911         }
912
913         hlist_del(&hash_con->node);
914         qed_fcoe_release_connection(QED_LEADING_HWFN(cdev), hash_con->con);
915         kfree(hash_con);
916
917         return 0;
918 }
919
920 static int qed_fcoe_offload_conn(struct qed_dev *cdev,
921                                  u32 handle,
922                                  struct qed_fcoe_params_offload *conn_info)
923 {
924         struct qed_hash_fcoe_con *hash_con;
925         struct qed_fcoe_conn *con;
926
927         hash_con = qed_fcoe_get_hash(cdev, handle);
928         if (!hash_con) {
929                 DP_NOTICE(cdev, "Failed to find connection for handle %d\n",
930                           handle);
931                 return -EINVAL;
932         }
933
934         /* Update the connection with information from the params */
935         con = hash_con->con;
936
937         con->sq_pbl_addr = conn_info->sq_pbl_addr;
938         con->sq_curr_page_addr = conn_info->sq_curr_page_addr;
939         con->sq_next_page_addr = conn_info->sq_next_page_addr;
940         con->tx_max_fc_pay_len = conn_info->tx_max_fc_pay_len;
941         con->e_d_tov_timer_val = conn_info->e_d_tov_timer_val;
942         con->rec_tov_timer_val = conn_info->rec_tov_timer_val;
943         con->rx_max_fc_pay_len = conn_info->rx_max_fc_pay_len;
944         con->vlan_tag = conn_info->vlan_tag;
945         con->max_conc_seqs_c3 = conn_info->max_conc_seqs_c3;
946         con->flags = conn_info->flags;
947         con->def_q_idx = conn_info->def_q_idx;
948
949         con->src_mac_addr_hi = (conn_info->src_mac[5] << 8) |
950             conn_info->src_mac[4];
951         con->src_mac_addr_mid = (conn_info->src_mac[3] << 8) |
952             conn_info->src_mac[2];
953         con->src_mac_addr_lo = (conn_info->src_mac[1] << 8) |
954             conn_info->src_mac[0];
955         con->dst_mac_addr_hi = (conn_info->dst_mac[5] << 8) |
956             conn_info->dst_mac[4];
957         con->dst_mac_addr_mid = (conn_info->dst_mac[3] << 8) |
958             conn_info->dst_mac[2];
959         con->dst_mac_addr_lo = (conn_info->dst_mac[1] << 8) |
960             conn_info->dst_mac[0];
961
962         con->s_id.addr_hi = conn_info->s_id.addr_hi;
963         con->s_id.addr_mid = conn_info->s_id.addr_mid;
964         con->s_id.addr_lo = conn_info->s_id.addr_lo;
965         con->d_id.addr_hi = conn_info->d_id.addr_hi;
966         con->d_id.addr_mid = conn_info->d_id.addr_mid;
967         con->d_id.addr_lo = conn_info->d_id.addr_lo;
968
969         return qed_sp_fcoe_conn_offload(QED_LEADING_HWFN(cdev), con,
970                                         QED_SPQ_MODE_EBLOCK, NULL);
971 }
972
973 static int qed_fcoe_destroy_conn(struct qed_dev *cdev,
974                                  u32 handle, dma_addr_t terminate_params)
975 {
976         struct qed_hash_fcoe_con *hash_con;
977         struct qed_fcoe_conn *con;
978
979         hash_con = qed_fcoe_get_hash(cdev, handle);
980         if (!hash_con) {
981                 DP_NOTICE(cdev, "Failed to find connection for handle %d\n",
982                           handle);
983                 return -EINVAL;
984         }
985
986         /* Update the connection with information from the params */
987         con = hash_con->con;
988         con->terminate_params = terminate_params;
989
990         return qed_sp_fcoe_conn_destroy(QED_LEADING_HWFN(cdev), con,
991                                         QED_SPQ_MODE_EBLOCK, NULL);
992 }
993
994 static int qed_fcoe_stats(struct qed_dev *cdev, struct qed_fcoe_stats *stats)
995 {
996         return qed_fcoe_get_stats(QED_LEADING_HWFN(cdev), stats);
997 }
998
999 void qed_get_protocol_stats_fcoe(struct qed_dev *cdev,
1000                                  struct qed_mcp_fcoe_stats *stats)
1001 {
1002         struct qed_fcoe_stats proto_stats;
1003
1004         /* Retrieve FW statistics */
1005         memset(&proto_stats, 0, sizeof(proto_stats));
1006         if (qed_fcoe_stats(cdev, &proto_stats)) {
1007                 DP_VERBOSE(cdev, QED_MSG_STORAGE,
1008                            "Failed to collect FCoE statistics\n");
1009                 return;
1010         }
1011
1012         /* Translate FW statistics into struct */
1013         stats->rx_pkts = proto_stats.fcoe_rx_data_pkt_cnt +
1014                          proto_stats.fcoe_rx_xfer_pkt_cnt +
1015                          proto_stats.fcoe_rx_other_pkt_cnt;
1016         stats->tx_pkts = proto_stats.fcoe_tx_data_pkt_cnt +
1017                          proto_stats.fcoe_tx_xfer_pkt_cnt +
1018                          proto_stats.fcoe_tx_other_pkt_cnt;
1019         stats->fcs_err = proto_stats.fcoe_silent_drop_pkt_crc_error_cnt;
1020
1021         /* Request protocol driver to fill-in the rest */
1022         if (cdev->protocol_ops.fcoe && cdev->ops_cookie) {
1023                 struct qed_fcoe_cb_ops *ops = cdev->protocol_ops.fcoe;
1024                 void *cookie = cdev->ops_cookie;
1025
1026                 if (ops->get_login_failures)
1027                         stats->login_failure = ops->get_login_failures(cookie);
1028         }
1029 }
1030
1031 static const struct qed_fcoe_ops qed_fcoe_ops_pass = {
1032         .common = &qed_common_ops_pass,
1033         .ll2 = &qed_ll2_ops_pass,
1034         .fill_dev_info = &qed_fill_fcoe_dev_info,
1035         .start = &qed_fcoe_start,
1036         .stop = &qed_fcoe_stop,
1037         .register_ops = &qed_register_fcoe_ops,
1038         .acquire_conn = &qed_fcoe_acquire_conn,
1039         .release_conn = &qed_fcoe_release_conn,
1040         .offload_conn = &qed_fcoe_offload_conn,
1041         .destroy_conn = &qed_fcoe_destroy_conn,
1042         .get_stats = &qed_fcoe_stats,
1043 };
1044
1045 const struct qed_fcoe_ops *qed_get_fcoe_ops(void)
1046 {
1047         return &qed_fcoe_ops_pass;
1048 }
1049 EXPORT_SYMBOL(qed_get_fcoe_ops);
1050
1051 void qed_put_fcoe_ops(void)
1052 {
1053 }
1054 EXPORT_SYMBOL(qed_put_fcoe_ops);