xref: /linux/drivers/infiniband/hw/irdma/main.h (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)
1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2 /* Copyright (c) 2015 - 2021 Intel Corporation */
3 #ifndef IRDMA_MAIN_H
4 #define IRDMA_MAIN_H
5 
6 #include <linux/ip.h>
7 #include <linux/tcp.h>
8 #include <linux/if_vlan.h>
9 #include <net/addrconf.h>
10 #include <net/netevent.h>
11 #include <net/tcp.h>
12 #include <net/ip6_route.h>
13 #include <net/flow.h>
14 #include <net/secure_seq.h>
15 #include <linux/netdevice.h>
16 #include <linux/etherdevice.h>
17 #include <linux/inetdevice.h>
18 #include <linux/spinlock.h>
19 #include <linux/kernel.h>
20 #include <linux/delay.h>
21 #include <linux/pci.h>
22 #include <linux/dma-mapping.h>
23 #include <linux/workqueue.h>
24 #include <linux/slab.h>
25 #include <linux/io.h>
26 #include <linux/crc32c.h>
27 #include <linux/kthread.h>
28 #ifndef CONFIG_64BIT
29 #include <linux/io-64-nonatomic-lo-hi.h>
30 #endif
31 #include <linux/auxiliary_bus.h>
32 #include <linux/net/intel/iidc.h>
33 #include <crypto/hash.h>
34 #include <rdma/ib_smi.h>
35 #include <rdma/ib_verbs.h>
36 #include <rdma/ib_pack.h>
37 #include <rdma/rdma_cm.h>
38 #include <rdma/iw_cm.h>
39 #include <rdma/ib_user_verbs.h>
40 #include <rdma/ib_umem.h>
41 #include <rdma/ib_cache.h>
42 #include <rdma/uverbs_ioctl.h>
43 #include "osdep.h"
44 #include "defs.h"
45 #include "hmc.h"
46 #include "type.h"
47 #include "ws.h"
48 #include "protos.h"
49 #include "pble.h"
50 #include "cm.h"
51 #include <rdma/irdma-abi.h>
52 #include "verbs.h"
53 #include "user.h"
54 #include "puda.h"
55 
56 extern struct auxiliary_driver i40iw_auxiliary_drv;
57 
58 #define IRDMA_FW_VER_DEFAULT	2
59 #define IRDMA_HW_VER	        2
60 
61 #define IRDMA_ARP_ADD		1
62 #define IRDMA_ARP_DELETE	2
63 #define IRDMA_ARP_RESOLVE	3
64 
65 #define IRDMA_MACIP_ADD		1
66 #define IRDMA_MACIP_DELETE	2
67 
68 #define IW_CCQ_SIZE	(IRDMA_CQP_SW_SQSIZE_2048 + 1)
69 #define IW_CEQ_SIZE	2048
70 #define IW_AEQ_SIZE	2048
71 
72 #define RX_BUF_SIZE	(1536 + 8)
73 #define IW_REG0_SIZE	(4 * 1024)
74 #define IW_TX_TIMEOUT	(6 * HZ)
75 #define IW_FIRST_QPN	1
76 
77 #define IW_SW_CONTEXT_ALIGN	1024
78 
79 #define MAX_DPC_ITERATIONS	128
80 
81 #define IRDMA_EVENT_TIMEOUT_MS		5000
82 #define IRDMA_VCHNL_EVENT_TIMEOUT	100000
83 #define IRDMA_RST_TIMEOUT_HZ		4
84 
85 #define	IRDMA_NO_QSET	0xffff
86 
87 #define IW_CFG_FPM_QP_COUNT		32768
88 #define IRDMA_MAX_PAGES_PER_FMR		262144
89 #define IRDMA_MIN_PAGES_PER_FMR		1
90 #define IRDMA_CQP_COMPL_RQ_WQE_FLUSHED	2
91 #define IRDMA_CQP_COMPL_SQ_WQE_FLUSHED	3
92 
93 #define IRDMA_Q_TYPE_PE_AEQ	0x80
94 #define IRDMA_Q_INVALID_IDX	0xffff
95 #define IRDMA_REM_ENDPOINT_TRK_QPID	3
96 
97 #define IRDMA_DRV_OPT_ENA_MPA_VER_0		0x00000001
98 #define IRDMA_DRV_OPT_DISABLE_MPA_CRC		0x00000002
99 #define IRDMA_DRV_OPT_DISABLE_FIRST_WRITE	0x00000004
100 #define IRDMA_DRV_OPT_DISABLE_INTF		0x00000008
101 #define IRDMA_DRV_OPT_ENA_MSI			0x00000010
102 #define IRDMA_DRV_OPT_DUAL_LOGICAL_PORT		0x00000020
103 #define IRDMA_DRV_OPT_NO_INLINE_DATA		0x00000080
104 #define IRDMA_DRV_OPT_DISABLE_INT_MOD		0x00000100
105 #define IRDMA_DRV_OPT_DISABLE_VIRT_WQ		0x00000200
106 #define IRDMA_DRV_OPT_ENA_PAU			0x00000400
107 #define IRDMA_DRV_OPT_MCAST_LOGPORT_MAP		0x00000800
108 
109 #define IW_HMC_OBJ_TYPE_NUM	ARRAY_SIZE(iw_hmc_obj_types)
110 #define IRDMA_ROCE_CWND_DEFAULT			0x400
111 #define IRDMA_ROCE_ACKCREDS_DEFAULT		0x1E
112 
113 #define IRDMA_FLUSH_SQ		BIT(0)
114 #define IRDMA_FLUSH_RQ		BIT(1)
115 #define IRDMA_REFLUSH		BIT(2)
116 #define IRDMA_FLUSH_WAIT	BIT(3)
117 
118 #define IRDMA_IRQ_NAME_STR_LEN (64)
119 
120 enum init_completion_state {
121 	INVALID_STATE = 0,
122 	INITIAL_STATE,
123 	CQP_CREATED,
124 	HMC_OBJS_CREATED,
125 	HW_RSRC_INITIALIZED,
126 	CCQ_CREATED,
127 	CEQ0_CREATED, /* Last state of probe */
128 	ILQ_CREATED,
129 	IEQ_CREATED,
130 	CEQS_CREATED,
131 	PBLE_CHUNK_MEM,
132 	AEQ_CREATED,
133 	IP_ADDR_REGISTERED,  /* Last state of open */
134 };
135 
136 struct irdma_rsrc_limits {
137 	u32 qplimit;
138 	u32 mrlimit;
139 	u32 cqlimit;
140 };
141 
142 struct irdma_cqp_err_info {
143 	u16 maj;
144 	u16 min;
145 	const char *desc;
146 };
147 
148 struct irdma_cqp_compl_info {
149 	u32 op_ret_val;
150 	u16 maj_err_code;
151 	u16 min_err_code;
152 	bool error;
153 	u8 op_code;
154 };
155 
156 struct irdma_cqp_request {
157 	struct cqp_cmds_info info;
158 	wait_queue_head_t waitq;
159 	struct list_head list;
160 	refcount_t refcnt;
161 	void (*callback_fcn)(struct irdma_cqp_request *cqp_request);
162 	void *param;
163 	struct irdma_cqp_compl_info compl_info;
164 	bool request_done; /* READ/WRITE_ONCE macros operate on it */
165 	bool waiting:1;
166 	bool dynamic:1;
167 };
168 
169 struct irdma_cqp {
170 	struct irdma_sc_cqp sc_cqp;
171 	spinlock_t req_lock; /* protect CQP request list */
172 	spinlock_t compl_lock; /* protect CQP completion processing */
173 	wait_queue_head_t waitq;
174 	wait_queue_head_t remove_wq;
175 	struct irdma_dma_mem sq;
176 	struct irdma_dma_mem host_ctx;
177 	u64 *scratch_array;
178 	struct irdma_cqp_request *cqp_requests;
179 	struct list_head cqp_avail_reqs;
180 	struct list_head cqp_pending_reqs;
181 };
182 
183 struct irdma_ccq {
184 	struct irdma_sc_cq sc_cq;
185 	struct irdma_dma_mem mem_cq;
186 	struct irdma_dma_mem shadow_area;
187 };
188 
189 struct irdma_ceq {
190 	struct irdma_sc_ceq sc_ceq;
191 	struct irdma_dma_mem mem;
192 	u32 irq;
193 	u32 msix_idx;
194 	struct irdma_pci_f *rf;
195 	struct tasklet_struct dpc_tasklet;
196 	spinlock_t ce_lock; /* sync cq destroy with cq completion event notification */
197 };
198 
199 struct irdma_aeq {
200 	struct irdma_sc_aeq sc_aeq;
201 	struct irdma_dma_mem mem;
202 	struct irdma_pble_alloc palloc;
203 	bool virtual_map;
204 };
205 
206 struct irdma_arp_entry {
207 	u32 ip_addr[4];
208 	u8 mac_addr[ETH_ALEN];
209 };
210 
211 struct irdma_msix_vector {
212 	u32 idx;
213 	u32 irq;
214 	u32 cpu_affinity;
215 	u32 ceq_id;
216 	cpumask_t mask;
217 	char name[IRDMA_IRQ_NAME_STR_LEN];
218 };
219 
220 struct irdma_mc_table_info {
221 	u32 mgn;
222 	u32 dest_ip[4];
223 	bool lan_fwd:1;
224 	bool ipv4_valid:1;
225 };
226 
227 struct mc_table_list {
228 	struct list_head list;
229 	struct irdma_mc_table_info mc_info;
230 	struct irdma_mcast_grp_info mc_grp_ctx;
231 };
232 
233 struct irdma_qv_info {
234 	u32 v_idx; /* msix_vector */
235 	u16 ceq_idx;
236 	u16 aeq_idx;
237 	u8 itr_idx;
238 };
239 
240 struct irdma_qvlist_info {
241 	u32 num_vectors;
242 	struct irdma_qv_info qv_info[] __counted_by(num_vectors);
243 };
244 
245 struct irdma_gen_ops {
246 	void (*request_reset)(struct irdma_pci_f *rf);
247 	int (*register_qset)(struct irdma_sc_vsi *vsi,
248 			     struct irdma_ws_node *tc_node);
249 	void (*unregister_qset)(struct irdma_sc_vsi *vsi,
250 				struct irdma_ws_node *tc_node);
251 };
252 
253 struct irdma_pci_f {
254 	bool reset:1;
255 	bool rsrc_created:1;
256 	bool msix_shared:1;
257 	u8 rsrc_profile;
258 	u8 *hmc_info_mem;
259 	u8 *mem_rsrc;
260 	u8 rdma_ver;
261 	u8 rst_to;
262 	u8 pf_id;
263 	enum irdma_protocol_used protocol_used;
264 	u32 sd_type;
265 	u32 msix_count;
266 	u32 max_mr;
267 	u32 max_qp;
268 	u32 max_cq;
269 	u32 max_ah;
270 	u32 next_ah;
271 	u32 max_mcg;
272 	u32 next_mcg;
273 	u32 max_pd;
274 	u32 next_qp;
275 	u32 next_cq;
276 	u32 next_pd;
277 	u32 max_mr_size;
278 	u32 max_cqe;
279 	u32 mr_stagmask;
280 	u32 used_pds;
281 	u32 used_cqs;
282 	u32 used_mrs;
283 	u32 used_qps;
284 	u32 arp_table_size;
285 	u32 next_arp_index;
286 	u32 ceqs_count;
287 	u32 next_ws_node_id;
288 	u32 max_ws_node_id;
289 	u32 limits_sel;
290 	unsigned long *allocated_ws_nodes;
291 	unsigned long *allocated_qps;
292 	unsigned long *allocated_cqs;
293 	unsigned long *allocated_mrs;
294 	unsigned long *allocated_pds;
295 	unsigned long *allocated_mcgs;
296 	unsigned long *allocated_ahs;
297 	unsigned long *allocated_arps;
298 	enum init_completion_state init_state;
299 	struct irdma_sc_dev sc_dev;
300 	struct pci_dev *pcidev;
301 	void *cdev;
302 	struct irdma_hw hw;
303 	struct irdma_cqp cqp;
304 	struct irdma_ccq ccq;
305 	struct irdma_aeq aeq;
306 	struct irdma_ceq *ceqlist;
307 	struct irdma_hmc_pble_rsrc *pble_rsrc;
308 	struct irdma_arp_entry *arp_table;
309 	spinlock_t arp_lock; /*protect ARP table access*/
310 	spinlock_t rsrc_lock; /* protect HW resource array access */
311 	spinlock_t qptable_lock; /*protect QP table access*/
312 	spinlock_t cqtable_lock; /*protect CQ table access*/
313 	struct irdma_qp **qp_table;
314 	struct irdma_cq **cq_table;
315 	spinlock_t qh_list_lock; /* protect mc_qht_list */
316 	struct mc_table_list mc_qht_list;
317 	struct irdma_msix_vector *iw_msixtbl;
318 	struct irdma_qvlist_info *iw_qvlist;
319 	struct tasklet_struct dpc_tasklet;
320 	struct msix_entry *msix_entries;
321 	struct irdma_dma_mem obj_mem;
322 	struct irdma_dma_mem obj_next;
323 	atomic_t vchnl_msgs;
324 	wait_queue_head_t vchnl_waitq;
325 	struct workqueue_struct *cqp_cmpl_wq;
326 	struct work_struct cqp_cmpl_work;
327 	struct irdma_sc_vsi default_vsi;
328 	void *back_fcn;
329 	struct irdma_gen_ops gen_ops;
330 	struct irdma_device *iwdev;
331 };
332 
333 struct irdma_device {
334 	struct ib_device ibdev;
335 	struct irdma_pci_f *rf;
336 	struct net_device *netdev;
337 	struct workqueue_struct *cleanup_wq;
338 	struct irdma_sc_vsi vsi;
339 	struct irdma_cm_core cm_core;
340 	DECLARE_HASHTABLE(ah_hash_tbl, 8);
341 	struct mutex ah_tbl_lock; /* protect AH hash table access */
342 	u32 roce_cwnd;
343 	u32 roce_ackcreds;
344 	u32 vendor_id;
345 	u32 vendor_part_id;
346 	u32 push_mode;
347 	u32 rcv_wnd;
348 	u16 mac_ip_table_idx;
349 	u16 vsi_num;
350 	u8 rcv_wscale;
351 	u8 iw_status;
352 	bool roce_mode:1;
353 	bool roce_dcqcn_en:1;
354 	bool dcb_vlan_mode:1;
355 	bool iw_ooo:1;
356 	enum init_completion_state init_state;
357 
358 	wait_queue_head_t suspend_wq;
359 };
360 
to_iwdev(struct ib_device * ibdev)361 static inline struct irdma_device *to_iwdev(struct ib_device *ibdev)
362 {
363 	return container_of(ibdev, struct irdma_device, ibdev);
364 }
365 
to_ucontext(struct ib_ucontext * ibucontext)366 static inline struct irdma_ucontext *to_ucontext(struct ib_ucontext *ibucontext)
367 {
368 	return container_of(ibucontext, struct irdma_ucontext, ibucontext);
369 }
370 
371 static inline struct irdma_user_mmap_entry *
to_irdma_mmap_entry(struct rdma_user_mmap_entry * rdma_entry)372 to_irdma_mmap_entry(struct rdma_user_mmap_entry *rdma_entry)
373 {
374 	return container_of(rdma_entry, struct irdma_user_mmap_entry,
375 			    rdma_entry);
376 }
377 
to_iwpd(struct ib_pd * ibpd)378 static inline struct irdma_pd *to_iwpd(struct ib_pd *ibpd)
379 {
380 	return container_of(ibpd, struct irdma_pd, ibpd);
381 }
382 
to_iwah(struct ib_ah * ibah)383 static inline struct irdma_ah *to_iwah(struct ib_ah *ibah)
384 {
385 	return container_of(ibah, struct irdma_ah, ibah);
386 }
387 
to_iwmr(struct ib_mr * ibmr)388 static inline struct irdma_mr *to_iwmr(struct ib_mr *ibmr)
389 {
390 	return container_of(ibmr, struct irdma_mr, ibmr);
391 }
392 
to_iwmw(struct ib_mw * ibmw)393 static inline struct irdma_mr *to_iwmw(struct ib_mw *ibmw)
394 {
395 	return container_of(ibmw, struct irdma_mr, ibmw);
396 }
397 
to_iwcq(struct ib_cq * ibcq)398 static inline struct irdma_cq *to_iwcq(struct ib_cq *ibcq)
399 {
400 	return container_of(ibcq, struct irdma_cq, ibcq);
401 }
402 
to_iwqp(struct ib_qp * ibqp)403 static inline struct irdma_qp *to_iwqp(struct ib_qp *ibqp)
404 {
405 	return container_of(ibqp, struct irdma_qp, ibqp);
406 }
407 
dev_to_rf(struct irdma_sc_dev * dev)408 static inline struct irdma_pci_f *dev_to_rf(struct irdma_sc_dev *dev)
409 {
410 	return container_of(dev, struct irdma_pci_f, sc_dev);
411 }
412 
413 /**
414  * irdma_alloc_resource - allocate a resource
415  * @iwdev: device pointer
416  * @resource_array: resource bit array:
417  * @max_resources: maximum resource number
418  * @req_resources_num: Allocated resource number
419  * @next: next free id
420  **/
irdma_alloc_rsrc(struct irdma_pci_f * rf,unsigned long * rsrc_array,u32 max_rsrc,u32 * req_rsrc_num,u32 * next)421 static inline int irdma_alloc_rsrc(struct irdma_pci_f *rf,
422 				   unsigned long *rsrc_array, u32 max_rsrc,
423 				   u32 *req_rsrc_num, u32 *next)
424 {
425 	u32 rsrc_num;
426 	unsigned long flags;
427 
428 	spin_lock_irqsave(&rf->rsrc_lock, flags);
429 	rsrc_num = find_next_zero_bit(rsrc_array, max_rsrc, *next);
430 	if (rsrc_num >= max_rsrc) {
431 		rsrc_num = find_first_zero_bit(rsrc_array, max_rsrc);
432 		if (rsrc_num >= max_rsrc) {
433 			spin_unlock_irqrestore(&rf->rsrc_lock, flags);
434 			ibdev_dbg(&rf->iwdev->ibdev,
435 				  "ERR: resource [%d] allocation failed\n",
436 				  rsrc_num);
437 			return -EOVERFLOW;
438 		}
439 	}
440 	__set_bit(rsrc_num, rsrc_array);
441 	*next = rsrc_num + 1;
442 	if (*next == max_rsrc)
443 		*next = 0;
444 	*req_rsrc_num = rsrc_num;
445 	spin_unlock_irqrestore(&rf->rsrc_lock, flags);
446 
447 	return 0;
448 }
449 
450 /**
451  * irdma_free_resource - free a resource
452  * @iwdev: device pointer
453  * @resource_array: resource array for the resource_num
454  * @resource_num: resource number to free
455  **/
irdma_free_rsrc(struct irdma_pci_f * rf,unsigned long * rsrc_array,u32 rsrc_num)456 static inline void irdma_free_rsrc(struct irdma_pci_f *rf,
457 				   unsigned long *rsrc_array, u32 rsrc_num)
458 {
459 	unsigned long flags;
460 
461 	spin_lock_irqsave(&rf->rsrc_lock, flags);
462 	__clear_bit(rsrc_num, rsrc_array);
463 	spin_unlock_irqrestore(&rf->rsrc_lock, flags);
464 }
465 
466 int irdma_ctrl_init_hw(struct irdma_pci_f *rf);
467 void irdma_ctrl_deinit_hw(struct irdma_pci_f *rf);
468 int irdma_rt_init_hw(struct irdma_device *iwdev,
469 		     struct irdma_l2params *l2params);
470 void irdma_rt_deinit_hw(struct irdma_device *iwdev);
471 void irdma_qp_add_ref(struct ib_qp *ibqp);
472 void irdma_qp_rem_ref(struct ib_qp *ibqp);
473 void irdma_free_lsmm_rsrc(struct irdma_qp *iwqp);
474 struct ib_qp *irdma_get_qp(struct ib_device *ibdev, int qpn);
475 void irdma_flush_wqes(struct irdma_qp *iwqp, u32 flush_mask);
476 void irdma_manage_arp_cache(struct irdma_pci_f *rf,
477 			    const unsigned char *mac_addr,
478 			    u32 *ip_addr, bool ipv4, u32 action);
479 struct irdma_apbvt_entry *irdma_add_apbvt(struct irdma_device *iwdev, u16 port);
480 void irdma_del_apbvt(struct irdma_device *iwdev,
481 		     struct irdma_apbvt_entry *entry);
482 struct irdma_cqp_request *irdma_alloc_and_get_cqp_request(struct irdma_cqp *cqp,
483 							  bool wait);
484 void irdma_free_cqp_request(struct irdma_cqp *cqp,
485 			    struct irdma_cqp_request *cqp_request);
486 void irdma_put_cqp_request(struct irdma_cqp *cqp,
487 			   struct irdma_cqp_request *cqp_request);
488 int irdma_alloc_local_mac_entry(struct irdma_pci_f *rf, u16 *mac_tbl_idx);
489 int irdma_add_local_mac_entry(struct irdma_pci_f *rf, const u8 *mac_addr, u16 idx);
490 void irdma_del_local_mac_entry(struct irdma_pci_f *rf, u16 idx);
491 
492 u32 irdma_initialize_hw_rsrc(struct irdma_pci_f *rf);
493 void irdma_port_ibevent(struct irdma_device *iwdev);
494 void irdma_cm_disconn(struct irdma_qp *qp);
495 
496 bool irdma_cqp_crit_err(struct irdma_sc_dev *dev, u8 cqp_cmd,
497 			u16 maj_err_code, u16 min_err_code);
498 int irdma_handle_cqp_op(struct irdma_pci_f *rf,
499 			struct irdma_cqp_request *cqp_request);
500 
501 int irdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
502 		    struct ib_udata *udata);
503 int irdma_modify_qp_roce(struct ib_qp *ibqp, struct ib_qp_attr *attr,
504 			 int attr_mask, struct ib_udata *udata);
505 void irdma_cq_add_ref(struct ib_cq *ibcq);
506 void irdma_cq_rem_ref(struct ib_cq *ibcq);
507 void irdma_cq_wq_destroy(struct irdma_pci_f *rf, struct irdma_sc_cq *cq);
508 
509 void irdma_cleanup_pending_cqp_op(struct irdma_pci_f *rf);
510 int irdma_hw_modify_qp(struct irdma_device *iwdev, struct irdma_qp *iwqp,
511 		       struct irdma_modify_qp_info *info, bool wait);
512 int irdma_qp_suspend_resume(struct irdma_sc_qp *qp, bool suspend);
513 int irdma_manage_qhash(struct irdma_device *iwdev, struct irdma_cm_info *cminfo,
514 		       enum irdma_quad_entry_type etype,
515 		       enum irdma_quad_hash_manage_type mtype, void *cmnode,
516 		       bool wait);
517 void irdma_receive_ilq(struct irdma_sc_vsi *vsi, struct irdma_puda_buf *rbuf);
518 void irdma_free_sqbuf(struct irdma_sc_vsi *vsi, void *bufp);
519 void irdma_free_qp_rsrc(struct irdma_qp *iwqp);
520 int irdma_setup_cm_core(struct irdma_device *iwdev, u8 ver);
521 void irdma_cleanup_cm_core(struct irdma_cm_core *cm_core);
522 void irdma_next_iw_state(struct irdma_qp *iwqp, u8 state, u8 del_hash, u8 term,
523 			 u8 term_len);
524 int irdma_send_syn(struct irdma_cm_node *cm_node, u32 sendack);
525 int irdma_send_reset(struct irdma_cm_node *cm_node);
526 struct irdma_cm_node *irdma_find_node(struct irdma_cm_core *cm_core,
527 				      u16 rem_port, u32 *rem_addr, u16 loc_port,
528 				      u32 *loc_addr, u16 vlan_id);
529 int irdma_hw_flush_wqes(struct irdma_pci_f *rf, struct irdma_sc_qp *qp,
530 			struct irdma_qp_flush_info *info, bool wait);
531 void irdma_gen_ae(struct irdma_pci_f *rf, struct irdma_sc_qp *qp,
532 		  struct irdma_gen_ae_info *info, bool wait);
533 void irdma_copy_ip_ntohl(u32 *dst, __be32 *src);
534 void irdma_copy_ip_htonl(__be32 *dst, u32 *src);
535 u16 irdma_get_vlan_ipv4(u32 *addr);
536 void irdma_get_vlan_mac_ipv6(u32 *addr, u16 *vlan_id, u8 *mac);
537 struct ib_mr *irdma_reg_phys_mr(struct ib_pd *ib_pd, u64 addr, u64 size,
538 				int acc, u64 *iova_start);
539 int irdma_upload_qp_context(struct irdma_qp *iwqp, bool freeze, bool raw);
540 void irdma_cqp_ce_handler(struct irdma_pci_f *rf, struct irdma_sc_cq *cq);
541 int irdma_ah_cqp_op(struct irdma_pci_f *rf, struct irdma_sc_ah *sc_ah, u8 cmd,
542 		    bool wait,
543 		    void (*callback_fcn)(struct irdma_cqp_request *cqp_request),
544 		    void *cb_param);
545 void irdma_gsi_ud_qp_ah_cb(struct irdma_cqp_request *cqp_request);
546 bool irdma_cq_empty(struct irdma_cq *iwcq);
547 int irdma_inetaddr_event(struct notifier_block *notifier, unsigned long event,
548 			 void *ptr);
549 int irdma_inet6addr_event(struct notifier_block *notifier, unsigned long event,
550 			  void *ptr);
551 int irdma_net_event(struct notifier_block *notifier, unsigned long event,
552 		    void *ptr);
553 int irdma_netdevice_event(struct notifier_block *notifier, unsigned long event,
554 			  void *ptr);
555 void irdma_add_ip(struct irdma_device *iwdev);
556 void cqp_compl_worker(struct work_struct *work);
557 #endif /* IRDMA_MAIN_H */
558