1/*
2 * Copyright (c) 2006, 2007 Cisco Systems.  All rights reserved.
3 * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses.  You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 *     Redistribution and use in source and binary forms, with or
12 *     without modification, are permitted provided that the following
13 *     conditions are met:
14 *
15 *      - Redistributions of source code must retain the above
16 *        copyright notice, this list of conditions and the following
17 *        disclaimer.
18 *
19 *      - Redistributions in binary form must reproduce the above
20 *        copyright notice, this list of conditions and the following
21 *        disclaimer in the documentation and/or other materials
22 *        provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33
34#ifndef MLX4_IB_H
35#define MLX4_IB_H
36
37#include <linux/compiler.h>
38#include <linux/list.h>
39#include <linux/mutex.h>
40#include <linux/idr.h>
41#include <linux/rbtree.h>
42#include <linux/notifier.h>
43
44#include <rdma/ib_verbs.h>
45#include <rdma/ib_umem.h>
46#include <rdma/ib_mad.h>
47#include <rdma/ib_sa.h>
48
49#include <linux/mlx4/device.h>
50#include <linux/mlx4/doorbell.h>
51
52#define MLX4_IB_DRV_NAME	"mlx4_ib"
53
54#ifdef pr_fmt
55#undef pr_fmt
56#endif
57#define pr_fmt(fmt)	"<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__
58
59#define mlx4_ib_warn(ibdev, format, arg...) \
60	dev_warn((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg)
61
62#define mlx4_ib_info(ibdev, format, arg...) \
63	dev_info((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg)
64
65enum {
66	MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
67	MLX4_IB_MAX_HEADROOM	 = 2048
68};
69
70#define MLX4_IB_SQ_HEADROOM(shift)	((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
71#define MLX4_IB_SQ_MAX_SPARE		(MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
72
73/*module param to indicate if SM assigns the alias_GUID*/
74extern int mlx4_ib_sm_guid_assign;
75extern struct proc_dir_entry *mlx4_mrs_dir_entry;
76
77#define MLX4_IB_UC_STEER_QPN_ALIGN 1
78#define MLX4_IB_UC_MAX_NUM_QPS     (256 * 1024)
79
80
81#define MLX4_IB_MMAP_CMD_MASK 0xFF
82#define MLX4_IB_MMAP_CMD_BITS 8
83
84struct mlx4_ib_ucontext {
85	struct ib_ucontext	ibucontext;
86	struct mlx4_uar		uar;
87	struct list_head	db_page_list;
88	struct mutex		db_page_mutex;
89};
90
91struct mlx4_ib_pd {
92	struct ib_pd		ibpd;
93	u32			pdn;
94};
95
96struct mlx4_ib_xrcd {
97	struct ib_xrcd		ibxrcd;
98	u32			xrcdn;
99	struct ib_pd	       *pd;
100	struct ib_cq	       *cq;
101};
102
103struct mlx4_ib_cq_buf {
104	struct mlx4_buf		buf;
105	struct mlx4_mtt		mtt;
106	int			entry_size;
107};
108
109struct mlx4_ib_cq_resize {
110	struct mlx4_ib_cq_buf	buf;
111	int			cqe;
112};
113
114struct mlx4_shared_mr_info {
115	int mr_id;
116	struct ib_umem	       *umem;
117};
118
119struct mlx4_ib_cq {
120	struct ib_cq		ibcq;
121	struct mlx4_cq		mcq;
122	struct mlx4_ib_cq_buf	buf;
123	struct mlx4_ib_cq_resize *resize_buf;
124	struct mlx4_db		db;
125	spinlock_t		lock;
126	struct mutex		resize_mutex;
127	struct ib_umem	       *umem;
128	struct ib_umem	       *resize_umem;
129	int			create_flags;
130};
131
132struct mlx4_ib_mr {
133	struct ib_mr		ibmr;
134	struct mlx4_mr		mmr;
135	struct ib_umem	       *umem;
136	struct mlx4_shared_mr_info	*smr_info;
137	atomic_t      invalidated;
138	struct completion invalidation_comp;
139};
140
141struct mlx4_ib_mw {
142	struct ib_mw		ibmw;
143	struct mlx4_mw		mmw;
144};
145
146struct mlx4_ib_fast_reg_page_list {
147	struct ib_fast_reg_page_list	ibfrpl;
148	__be64			       *mapped_page_list;
149	dma_addr_t			map;
150};
151
152struct mlx4_ib_fmr {
153	struct ib_fmr           ibfmr;
154	struct mlx4_fmr         mfmr;
155};
156
157struct mlx4_ib_flow {
158	struct ib_flow ibflow;
159	/* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
160	u64 reg_id[2];
161};
162
163struct mlx4_ib_wq {
164	u64		       *wrid;
165	spinlock_t		lock;
166	int			wqe_cnt;
167	int			max_post;
168	int			max_gs;
169	int			offset;
170	int			wqe_shift;
171	unsigned		head;
172	unsigned		tail;
173};
174
175enum mlx4_ib_qp_flags {
176	MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
177	MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
178	MLX4_IB_QP_CAP_CROSS_CHANNEL = IB_QP_CREATE_CROSS_CHANNEL,
179	MLX4_IB_QP_CAP_MANAGED_SEND = IB_QP_CREATE_MANAGED_SEND,
180	MLX4_IB_QP_CAP_MANAGED_RECV = IB_QP_CREATE_MANAGED_RECV,
181	MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
182	MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
183	MLX4_IB_SRIOV_SQP = 1 << 31,
184};
185
186struct mlx4_ib_gid_entry {
187	struct list_head	list;
188	union ib_gid		gid;
189	int			added;
190	u8			port;
191};
192
193enum mlx4_ib_mmap_cmd {
194	MLX4_IB_MMAP_UAR_PAGE		= 0,
195	MLX4_IB_MMAP_BLUE_FLAME_PAGE	= 1,
196	MLX4_IB_MMAP_GET_CONTIGUOUS_PAGES	= 2,
197	MLX4_IB_MMAP_GET_HW_CLOCK	= 3,
198};
199
200enum mlx4_ib_qp_type {
201	/*
202	 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
203	 * here (and in that order) since the MAD layer uses them as
204	 * indices into a 2-entry table.
205	 */
206	MLX4_IB_QPT_SMI = IB_QPT_SMI,
207	MLX4_IB_QPT_GSI = IB_QPT_GSI,
208
209	MLX4_IB_QPT_RC = IB_QPT_RC,
210	MLX4_IB_QPT_UC = IB_QPT_UC,
211	MLX4_IB_QPT_UD = IB_QPT_UD,
212	MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
213	MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
214	MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
215	MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
216	MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
217
218	MLX4_IB_QPT_PROXY_SMI_OWNER	= 1 << 16,
219	MLX4_IB_QPT_PROXY_SMI		= 1 << 17,
220	MLX4_IB_QPT_PROXY_GSI		= 1 << 18,
221	MLX4_IB_QPT_TUN_SMI_OWNER	= 1 << 19,
222	MLX4_IB_QPT_TUN_SMI		= 1 << 20,
223	MLX4_IB_QPT_TUN_GSI		= 1 << 21,
224};
225
226#define MLX4_IB_QPT_ANY_SRIOV	(MLX4_IB_QPT_PROXY_SMI_OWNER | \
227	MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
228	MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
229
230enum mlx4_ib_mad_ifc_flags {
231	MLX4_MAD_IFC_IGNORE_MKEY	= 1,
232	MLX4_MAD_IFC_IGNORE_BKEY	= 2,
233	MLX4_MAD_IFC_IGNORE_KEYS	= (MLX4_MAD_IFC_IGNORE_MKEY |
234					   MLX4_MAD_IFC_IGNORE_BKEY),
235	MLX4_MAD_IFC_NET_VIEW		= 4,
236};
237
238enum {
239	MLX4_NUM_TUNNEL_BUFS		= 256,
240};
241
242struct mlx4_ib_tunnel_header {
243	struct mlx4_av av;
244	__be32 remote_qpn;
245	__be32 qkey;
246	__be16 vlan;
247	u8 mac[6];
248	__be16 pkey_index;
249	u8 reserved[6];
250};
251
252struct mlx4_ib_buf {
253	void *addr;
254	dma_addr_t map;
255};
256
257struct mlx4_rcv_tunnel_hdr {
258	__be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
259			      * 0x0 - no vlan was in the packet
260			      * 0x01 - C-VLAN was in the packet */
261	u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
262	u8 reserved;
263	__be16 pkey_index;
264	__be16 sl_vid;
265	__be16 slid_mac_47_32;
266	__be32 mac_31_0;
267};
268
269struct mlx4_ib_proxy_sqp_hdr {
270	struct ib_grh grh;
271	struct mlx4_rcv_tunnel_hdr tun;
272}  __packed;
273
274struct mlx4_roce_smac_vlan_info {
275	u64 smac;
276	int smac_index;
277	int smac_port;
278	u64 candidate_smac;
279	int candidate_smac_index;
280	int candidate_smac_port;
281	u16 vid;
282	int vlan_index;
283	int vlan_port;
284	u16 candidate_vid;
285	int candidate_vlan_index;
286	int candidate_vlan_port;
287	int update_vid;
288};
289
290struct mlx4_ib_qpg_data {
291	unsigned long *tss_bitmap;
292	unsigned long *rss_bitmap;
293	struct mlx4_ib_qp *qpg_parent;
294	int tss_qpn_base;
295	int rss_qpn_base;
296	u32 tss_child_count;
297	u32 rss_child_count;
298	u32 qpg_tss_mask_sz;
299};
300
301struct mlx4_ib_qp {
302	struct ib_qp		ibqp;
303	struct mlx4_qp		mqp;
304	struct mlx4_buf		buf;
305
306	struct mlx4_db		db;
307	struct mlx4_ib_wq	rq;
308
309	u32			doorbell_qpn;
310	__be32			sq_signal_bits;
311	unsigned		sq_next_wqe;
312	int			sq_max_wqes_per_wr;
313	int			sq_spare_wqes;
314	struct mlx4_ib_wq	sq;
315
316	enum mlx4_ib_qp_type	mlx4_ib_qp_type;
317	struct ib_umem	       *umem;
318	struct mlx4_mtt		mtt;
319	int			buf_size;
320	struct mutex		mutex;
321	u16			xrcdn;
322	u32			flags;
323	u8			port;
324	u8			alt_port;
325	u8			atomic_rd_en;
326	u8			resp_depth;
327	u8			sq_no_prefetch;
328	u8			state;
329	int			mlx_type;
330	enum ib_qpg_type	qpg_type;
331	struct mlx4_ib_qpg_data *qpg_data;
332	struct list_head	gid_list;
333	struct list_head	steering_rules;
334	struct mlx4_ib_buf	*sqp_proxy_rcv;
335	struct mlx4_roce_smac_vlan_info pri;
336	struct mlx4_roce_smac_vlan_info alt;
337	struct list_head	rules_list;
338	u64			reg_id;
339	int                     max_inline_data;
340	struct mlx4_bf          bf;
341
342	/*
343	 * Experimental data
344	 */
345	int			max_inlr_data;
346};
347
348struct mlx4_ib_srq {
349	struct ib_srq		ibsrq;
350	struct mlx4_srq		msrq;
351	struct mlx4_buf		buf;
352	struct mlx4_db		db;
353	u64		       *wrid;
354	spinlock_t		lock;
355	int			head;
356	int			tail;
357	u16			wqe_ctr;
358	struct ib_umem	       *umem;
359	struct mlx4_mtt		mtt;
360	struct mutex		mutex;
361};
362
363struct mlx4_ib_ah {
364	struct ib_ah		ibah;
365	union mlx4_ext_av       av;
366};
367
368/****************************************/
369/* alias guid support */
370/****************************************/
371#define NUM_PORT_ALIAS_GUID		2
372#define NUM_ALIAS_GUID_IN_REC		8
373#define NUM_ALIAS_GUID_REC_IN_PORT	16
374#define GUID_REC_SIZE			8
375#define NUM_ALIAS_GUID_PER_PORT		128
376#define MLX4_NOT_SET_GUID		(0x00LL)
377#define MLX4_GUID_FOR_DELETE_VAL	(~(0x00LL))
378
379/****************************************/
380/* ioctl codes */
381/****************************************/
382#define MLX4_IOC_MAGIC 'm'
383#define MLX4_IOCHWCLOCKOFFSET _IOR(MLX4_IOC_MAGIC, 1, int)
384
385enum mlx4_guid_alias_rec_status {
386	MLX4_GUID_INFO_STATUS_IDLE,
387	MLX4_GUID_INFO_STATUS_SET,
388	MLX4_GUID_INFO_STATUS_PENDING,
389};
390
391enum mlx4_guid_alias_rec_ownership {
392	MLX4_GUID_DRIVER_ASSIGN,
393	MLX4_GUID_SYSADMIN_ASSIGN,
394	MLX4_GUID_NONE_ASSIGN, /*init state of each record*/
395};
396
397enum mlx4_guid_alias_rec_method {
398	MLX4_GUID_INFO_RECORD_SET	= IB_MGMT_METHOD_SET,
399	MLX4_GUID_INFO_RECORD_DELETE	= IB_SA_METHOD_DELETE,
400};
401
402struct mlx4_sriov_alias_guid_info_rec_det {
403	u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
404	ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
405	enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
406	u8 method; /*set or delete*/
407	enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/
408};
409
410struct mlx4_sriov_alias_guid_port_rec_det {
411	struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
412	struct workqueue_struct *wq;
413	struct delayed_work alias_guid_work;
414	u8 port;
415	struct mlx4_sriov_alias_guid *parent;
416	struct list_head cb_list;
417};
418
419struct mlx4_sriov_alias_guid {
420	struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
421	spinlock_t ag_work_lock;
422	struct ib_sa_client *sa_client;
423};
424
425struct mlx4_ib_demux_work {
426	struct work_struct	work;
427	struct mlx4_ib_dev     *dev;
428	int			slave;
429	int			do_init;
430	u8			port;
431
432};
433
434struct mlx4_ib_tun_tx_buf {
435	struct mlx4_ib_buf buf;
436	struct ib_ah *ah;
437};
438
439struct mlx4_ib_demux_pv_qp {
440	struct ib_qp *qp;
441	enum ib_qp_type proxy_qpt;
442	struct mlx4_ib_buf *ring;
443	struct mlx4_ib_tun_tx_buf *tx_ring;
444	spinlock_t tx_lock;
445	unsigned tx_ix_head;
446	unsigned tx_ix_tail;
447};
448
449enum mlx4_ib_demux_pv_state {
450	DEMUX_PV_STATE_DOWN,
451	DEMUX_PV_STATE_STARTING,
452	DEMUX_PV_STATE_ACTIVE,
453	DEMUX_PV_STATE_DOWNING,
454};
455
456struct mlx4_ib_demux_pv_ctx {
457	int port;
458	int slave;
459	enum mlx4_ib_demux_pv_state state;
460	int has_smi;
461	struct ib_device *ib_dev;
462	struct ib_cq *cq;
463	struct ib_pd *pd;
464	struct ib_mr *mr;
465	struct work_struct work;
466	struct workqueue_struct *wq;
467	struct mlx4_ib_demux_pv_qp qp[2];
468};
469
470struct mlx4_ib_demux_ctx {
471	struct ib_device *ib_dev;
472	int port;
473	struct workqueue_struct *wq;
474	struct workqueue_struct *ud_wq;
475	spinlock_t ud_lock;
476	__be64 subnet_prefix;
477	__be64 guid_cache[128];
478	struct mlx4_ib_dev *dev;
479	/* the following lock protects both mcg_table and mcg_mgid0_list */
480	struct mutex		mcg_table_lock;
481	struct rb_root		mcg_table;
482	struct list_head	mcg_mgid0_list;
483	struct workqueue_struct	*mcg_wq;
484	struct mlx4_ib_demux_pv_ctx **tun;
485	atomic_t tid;
486	int    flushing; /* flushing the work queue */
487};
488
489struct mlx4_ib_sriov {
490	struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
491	struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
492	/* when using this spinlock you should use "irq" because
493	 * it may be called from interrupt context.*/
494	spinlock_t going_down_lock;
495	int is_going_down;
496
497	struct mlx4_sriov_alias_guid alias_guid;
498
499	/* CM paravirtualization fields */
500	struct list_head cm_list;
501	spinlock_t id_map_lock;
502	struct rb_root sl_id_map;
503	struct idr pv_id_table;
504};
505
506struct mlx4_ib_iboe {
507	spinlock_t		lock;
508	struct net_device      *netdevs[MLX4_MAX_PORTS];
509	struct net_device      *masters[MLX4_MAX_PORTS];
510	struct notifier_block	nb;
511	struct notifier_block	nb_inet;
512	union ib_gid		gid_table[MLX4_MAX_PORTS][128];
513};
514
515struct pkey_mgt {
516	u8			virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
517	u16			phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
518	struct list_head	pkey_port_list[MLX4_MFUNC_MAX];
519	struct kobject	       *device_parent[MLX4_MFUNC_MAX];
520};
521
522struct mlx4_ib_iov_sysfs_attr {
523	void *ctx;
524	struct kobject *kobj;
525	unsigned long data;
526	u32 entry_num;
527	char name[15];
528	struct device_attribute dentry;
529	struct device *dev;
530};
531
532struct mlx4_ib_iov_sysfs_attr_ar {
533	struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
534};
535
536struct mlx4_ib_iov_port {
537	char name[100];
538	u8 num;
539	struct mlx4_ib_dev *dev;
540	struct list_head list;
541	struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
542	struct ib_port_attr attr;
543	struct kobject	*cur_port;
544	struct kobject	*admin_alias_parent;
545	struct kobject	*gids_parent;
546	struct kobject	*pkeys_parent;
547	struct kobject	*mcgs_parent;
548	struct mlx4_ib_iov_sysfs_attr mcg_dentry;
549};
550
551struct mlx4_ib_counter {
552	int counter_index;
553	int status;
554};
555
556struct mlx4_ib_dev {
557	struct ib_device	ib_dev;
558	struct mlx4_dev	       *dev;
559	int			num_ports;
560	struct mlx4_uar		priv_uar;
561	u32			priv_pdn;
562	MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
563
564	struct ib_mad_agent    *send_agent[MLX4_MAX_PORTS][2];
565	struct ib_ah	       *sm_ah[MLX4_MAX_PORTS];
566	spinlock_t		sm_lock;
567	struct mlx4_ib_sriov	sriov;
568
569	struct mutex		cap_mask_mutex;
570	bool			ib_active;
571	struct mlx4_ib_iboe	iboe;
572	struct mlx4_ib_counter	counters[MLX4_MAX_PORTS];
573	int		       *eq_table;
574	int			eq_added;
575	struct kobject	       *iov_parent;
576	struct kobject	       *ports_parent;
577	struct kobject	       *dev_ports_parent[MLX4_MFUNC_MAX];
578	struct mlx4_ib_iov_port	iov_ports[MLX4_MAX_PORTS];
579	struct pkey_mgt		pkeys;
580	unsigned long *ib_uc_qpns_bitmap;
581	int steer_qpn_count;
582	int steer_qpn_base;
583};
584
585struct ib_event_work {
586	struct work_struct	work;
587	struct mlx4_ib_dev	*ib_dev;
588	struct mlx4_eqe		ib_eqe;
589};
590
591struct mlx4_ib_qp_tunnel_init_attr {
592	struct ib_qp_init_attr init_attr;
593	int slave;
594	enum ib_qp_type proxy_qp_type;
595	u8 port;
596};
597
598static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
599{
600	return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
601}
602
603static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
604{
605	return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
606}
607
608static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
609{
610	return container_of(ibpd, struct mlx4_ib_pd, ibpd);
611}
612
613static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
614{
615	return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
616}
617
618static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
619{
620	return container_of(ibcq, struct mlx4_ib_cq, ibcq);
621}
622
623static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
624{
625	return container_of(mcq, struct mlx4_ib_cq, mcq);
626}
627
628static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
629{
630	return container_of(ibmr, struct mlx4_ib_mr, ibmr);
631}
632
633static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
634{
635	return container_of(ibmw, struct mlx4_ib_mw, ibmw);
636}
637
638static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
639{
640	return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
641}
642
643static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
644{
645	return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
646}
647
648static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
649{
650	return container_of(ibflow, struct mlx4_ib_flow, ibflow);
651}
652
653static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
654{
655	return container_of(ibqp, struct mlx4_ib_qp, ibqp);
656}
657
658static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
659{
660	return container_of(mqp, struct mlx4_ib_qp, mqp);
661}
662
663static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
664{
665	return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
666}
667
668static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
669{
670	return container_of(msrq, struct mlx4_ib_srq, msrq);
671}
672
673static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
674{
675	return container_of(ibah, struct mlx4_ib_ah, ibah);
676}
677
678int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
679void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
680
681int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
682			struct mlx4_db *db);
683void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
684
685struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
686int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
687			   struct ib_umem *umem);
688int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem,
689						u64 start_va,
690						int *num_of_mtts);
691struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
692				  u64 virt_addr, int access_flags,
693				  struct ib_udata *udata, int mr_id);
694int mlx4_ib_dereg_mr(struct ib_mr *mr);
695struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
696int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
697		    struct ib_mw_bind *mw_bind);
698int mlx4_ib_dealloc_mw(struct ib_mw *mw);
699struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
700					int max_page_list_len);
701struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
702							       int page_list_len);
703void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
704
705int mlx4_ib_modify_cq(struct ib_cq *cq,
706		      struct ib_cq_attr *cq_attr,
707		      int cq_attr_mask);
708int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
709int mlx4_ib_ignore_overrun_cq(struct ib_cq *ibcq);
710struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
711				struct ib_cq_init_attr *attr,
712				struct ib_ucontext *context,
713				struct ib_udata *udata);
714int mlx4_ib_destroy_cq(struct ib_cq *cq);
715int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
716int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
717void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
718void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
719
720struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
721int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
722int mlx4_ib_destroy_ah(struct ib_ah *ah);
723
724struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
725				  struct ib_srq_init_attr *init_attr,
726				  struct ib_udata *udata);
727int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
728		       enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
729int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
730int mlx4_ib_destroy_srq(struct ib_srq *srq);
731void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
732int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
733			  struct ib_recv_wr **bad_wr);
734
735struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
736				struct ib_qp_init_attr *init_attr,
737				struct ib_udata *udata);
738int mlx4_ib_destroy_qp(struct ib_qp *qp);
739int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
740		      int attr_mask, struct ib_udata *udata);
741int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
742		     struct ib_qp_init_attr *qp_init_attr);
743int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
744		      struct ib_send_wr **bad_wr);
745int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
746		      struct ib_recv_wr **bad_wr);
747
748int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
749		 int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
750		 void *in_mad, void *response_mad);
751int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags,	u8 port_num,
752			struct ib_wc *in_wc, struct ib_grh *in_grh,
753			struct ib_mad *in_mad, struct ib_mad *out_mad);
754int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
755void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
756
757struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
758				  struct ib_fmr_attr *fmr_attr);
759int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
760			 u64 iova);
761int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
762int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
763int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
764			 struct ib_port_attr *props, int netw_view);
765int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
766			 u16 *pkey, int netw_view);
767
768int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
769			union ib_gid *gid, int netw_view);
770
771int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr,
772			u8 *mac, int *is_mcast, u8 port);
773
774int mlx4_ib_query_if_stat(struct mlx4_ib_dev *dev, u32 counter_index,
775		       union mlx4_counter *counter, u8 clear);
776
777static inline int mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
778{
779	u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
780
781	if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
782		return 1;
783
784	return !!(ah->av.ib.g_slid & 0x80);
785}
786static inline int mlx4_ib_qp_has_rq(struct ib_qp_init_attr *attr)
787{
788	if (attr->qp_type == IB_QPT_XRC_INI || attr->qp_type == IB_QPT_XRC_TGT)
789		return 0;
790
791	return !attr->srq;
792}
793
794int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
795void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
796void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
797int mlx4_ib_mcg_init(void);
798void mlx4_ib_mcg_destroy(void);
799
800int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
801
802int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
803				  struct ib_sa_mad *sa_mad);
804int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
805			      struct ib_sa_mad *mad);
806
807int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
808		   union ib_gid *gid);
809
810void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
811			    enum ib_event_type type);
812
813void mlx4_ib_tunnels_update_work(struct work_struct *work);
814
815int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
816			  enum ib_qp_type qpt, struct ib_wc *wc,
817			  struct ib_grh *grh, struct ib_mad *mad);
818int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
819			 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
820			 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac, struct ib_mad *mad);
821__be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
822
823int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
824		struct ib_mad *mad, int is_eth);
825
826int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
827		struct ib_mad *mad);
828
829void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
830void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
831
832/* alias guid support */
833void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
834int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
835void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
836void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
837
838void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
839					  int block_num,
840					  u8 port_num, u8 *p_data);
841
842void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
843					 int block_num, u8 port_num,
844					 u8 *p_data);
845
846int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
847			    struct attribute *attr);
848void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
849			     struct attribute *attr);
850ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
851
852int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
853
854void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
855
856__be64 mlx4_ib_gen_node_guid(void);
857
858int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
859void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
860int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
861			 int is_attach);
862int mlx4_ib_query_device(struct ib_device *ibdev,
863			 struct ib_device_attr *props);
864
865#endif /* MLX4_IB_H */
866