mlx4_ib.h revision 271127 
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/notifier.h>
42
43#include <rdma/ib_verbs.h>
44#include <rdma/ib_umem.h>
45#include <rdma/ib_mad.h>
46#include <rdma/ib_sa.h>
47
48#include <linux/mlx4/device.h>
49#include <linux/mlx4/doorbell.h>
50#include <linux/rbtree.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;
75#ifdef __linux__
76extern struct proc_dir_entry *mlx4_mrs_dir_entry;
77#endif
78
79#define MLX4_IB_UC_STEER_QPN_ALIGN 1
80#define MLX4_IB_UC_MAX_NUM_QPS     (256 * 1024)
81
82
83#define MLX4_IB_MMAP_CMD_MASK 0xFF
84#define MLX4_IB_MMAP_CMD_BITS 8
85
86struct mlx4_ib_ucontext {
87	struct ib_ucontext	ibucontext;
88	struct mlx4_uar		uar;
89	struct list_head	db_page_list;
90	struct mutex		db_page_mutex;
91};
92
93struct mlx4_ib_pd {
94	struct ib_pd		ibpd;
95	u32			pdn;
96};
97
98struct mlx4_ib_xrcd {
99	struct ib_xrcd		ibxrcd;
100	u32			xrcdn;
101	struct ib_pd	       *pd;
102	struct ib_cq	       *cq;
103};
104
105struct mlx4_ib_cq_buf {
106	struct mlx4_buf		buf;
107	struct mlx4_mtt		mtt;
108	int			entry_size;
109};
110
111struct mlx4_ib_cq_resize {
112	struct mlx4_ib_cq_buf	buf;
113	int			cqe;
114};
115
116struct mlx4_shared_mr_info {
117	int mr_id;
118	struct ib_umem	       *umem;
119};
120
121struct mlx4_ib_cq {
122	struct ib_cq		ibcq;
123	struct mlx4_cq		mcq;
124	struct mlx4_ib_cq_buf	buf;
125	struct mlx4_ib_cq_resize *resize_buf;
126	struct mlx4_db		db;
127	spinlock_t		lock;
128	struct mutex		resize_mutex;
129	struct ib_umem	       *umem;
130	struct ib_umem	       *resize_umem;
131};
132
133struct mlx4_ib_mr {
134	struct ib_mr		ibmr;
135	struct mlx4_mr		mmr;
136	struct ib_umem	       *umem;
137	struct mlx4_shared_mr_info	*smr_info;
138};
139
140struct mlx4_ib_fast_reg_page_list {
141	struct ib_fast_reg_page_list	ibfrpl;
142	__be64			       *mapped_page_list;
143	dma_addr_t			map;
144};
145
146struct mlx4_ib_fmr {
147	struct ib_fmr           ibfmr;
148	struct mlx4_fmr         mfmr;
149};
150
151struct mlx4_ib_wq {
152	u64		       *wrid;
153	spinlock_t		lock;
154	int			wqe_cnt;
155	int			max_post;
156	int			max_gs;
157	int			offset;
158	int			wqe_shift;
159	unsigned		head;
160	unsigned		tail;
161};
162
163enum mlx4_ib_qp_flags {
164	MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
165	MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
166	MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
167	MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
168	MLX4_IB_SRIOV_SQP = 1 << 31,
169};
170
171struct mlx4_ib_gid_entry {
172	struct list_head	list;
173	union ib_gid		gid;
174	int			added;
175	u8			port;
176};
177
178enum mlx4_ib_mmap_cmd {
179	MLX4_IB_MMAP_UAR_PAGE		= 0,
180	MLX4_IB_MMAP_BLUE_FLAME_PAGE	= 1,
181	MLX4_IB_MMAP_GET_CONTIGUOUS_PAGES	= 2,
182};
183
184enum mlx4_ib_qp_type {
185	/*
186	 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
187	 * here (and in that order) since the MAD layer uses them as
188	 * indices into a 2-entry table.
189	 */
190	MLX4_IB_QPT_SMI = IB_QPT_SMI,
191	MLX4_IB_QPT_GSI = IB_QPT_GSI,
192
193	MLX4_IB_QPT_RC = IB_QPT_RC,
194	MLX4_IB_QPT_UC = IB_QPT_UC,
195	MLX4_IB_QPT_UD = IB_QPT_UD,
196	MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
197	MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
198	MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
199	MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
200	MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
201
202	MLX4_IB_QPT_PROXY_SMI_OWNER	= 1 << 16,
203	MLX4_IB_QPT_PROXY_SMI		= 1 << 17,
204	MLX4_IB_QPT_PROXY_GSI		= 1 << 18,
205	MLX4_IB_QPT_TUN_SMI_OWNER	= 1 << 19,
206	MLX4_IB_QPT_TUN_SMI		= 1 << 20,
207	MLX4_IB_QPT_TUN_GSI		= 1 << 21,
208};
209
210#define MLX4_IB_QPT_ANY_SRIOV	(MLX4_IB_QPT_PROXY_SMI_OWNER | \
211	MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
212	MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
213
214enum mlx4_ib_mad_ifc_flags {
215	MLX4_MAD_IFC_IGNORE_MKEY	= 1,
216	MLX4_MAD_IFC_IGNORE_BKEY	= 2,
217	MLX4_MAD_IFC_IGNORE_KEYS	= (MLX4_MAD_IFC_IGNORE_MKEY |
218					   MLX4_MAD_IFC_IGNORE_BKEY),
219	MLX4_MAD_IFC_NET_VIEW		= 4,
220};
221
222enum {
223	MLX4_NUM_TUNNEL_BUFS		= 256,
224};
225
226struct mlx4_ib_tunnel_header {
227	struct mlx4_av av;
228	__be32 remote_qpn;
229	__be32 qkey;
230	__be16 vlan;
231	u8 mac[6];
232	__be16 pkey_index;
233	u8 reserved[6];
234};
235
236struct mlx4_ib_buf {
237	void *addr;
238	dma_addr_t map;
239};
240
241struct mlx4_rcv_tunnel_hdr {
242	__be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
243			      * 0x0 - no vlan was in the packet
244			      * 0x01 - C-VLAN was in the packet */
245	u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
246	u8 reserved;
247	__be16 pkey_index;
248	__be16 sl_vid;
249	__be16 slid_mac_47_32;
250	__be32 mac_31_0;
251};
252
253struct mlx4_ib_proxy_sqp_hdr {
254	struct ib_grh grh;
255	struct mlx4_rcv_tunnel_hdr tun;
256}  __packed;
257
258struct mlx4_roce_smac_vlan_info {
259	u64 smac;
260	int smac_index;
261	int smac_port;
262	u64 candidate_smac;
263	int candidate_smac_index;
264	int candidate_smac_port;
265	u16 vid;
266	int vlan_index;
267	int vlan_port;
268	u16 candidate_vid;
269	int candidate_vlan_index;
270	int candidate_vlan_port;
271	int update_vid;
272};
273
274struct mlx4_ib_qpg_data {
275	unsigned long *tss_bitmap;
276	unsigned long *rss_bitmap;
277	struct mlx4_ib_qp *qpg_parent;
278	int tss_qpn_base;
279	int rss_qpn_base;
280	u32 tss_child_count;
281	u32 rss_child_count;
282	u32 qpg_tss_mask_sz;
283};
284
285struct mlx4_ib_qp {
286	struct ib_qp		ibqp;
287	struct mlx4_qp		mqp;
288	struct mlx4_buf		buf;
289
290	struct mlx4_db		db;
291	struct mlx4_ib_wq	rq;
292
293	u32			doorbell_qpn;
294	__be32			sq_signal_bits;
295	unsigned		sq_next_wqe;
296	int			sq_max_wqes_per_wr;
297	int			sq_spare_wqes;
298	struct mlx4_ib_wq	sq;
299
300	enum mlx4_ib_qp_type	mlx4_ib_qp_type;
301	struct ib_umem	       *umem;
302	struct mlx4_mtt		mtt;
303	int			buf_size;
304	struct mutex		mutex;
305	u16			xrcdn;
306	u32			flags;
307	u8			port;
308	u8			alt_port;
309	u8			atomic_rd_en;
310	u8			resp_depth;
311	u8			sq_no_prefetch;
312	u8			state;
313	int			mlx_type;
314	enum ib_qpg_type	qpg_type;
315	struct mlx4_ib_qpg_data *qpg_data;
316	struct list_head	gid_list;
317	struct list_head	steering_rules;
318	struct mlx4_ib_buf	*sqp_proxy_rcv;
319	struct mlx4_roce_smac_vlan_info pri;
320	struct mlx4_roce_smac_vlan_info alt;
321	struct list_head	rules_list;
322	int                     max_inline_data;
323	struct mlx4_bf          bf;
324};
325
326struct mlx4_ib_srq {
327	struct ib_srq		ibsrq;
328	struct mlx4_srq		msrq;
329	struct mlx4_buf		buf;
330	struct mlx4_db		db;
331	u64		       *wrid;
332	spinlock_t		lock;
333	int			head;
334	int			tail;
335	u16			wqe_ctr;
336	struct ib_umem	       *umem;
337	struct mlx4_mtt		mtt;
338	struct mutex		mutex;
339};
340
341struct mlx4_ib_ah {
342	struct ib_ah		ibah;
343	union mlx4_ext_av       av;
344};
345
346/****************************************/
347/* alias guid support */
348/****************************************/
349#define NUM_PORT_ALIAS_GUID		2
350#define NUM_ALIAS_GUID_IN_REC		8
351#define NUM_ALIAS_GUID_REC_IN_PORT	16
352#define GUID_REC_SIZE			8
353#define NUM_ALIAS_GUID_PER_PORT		128
354#define MLX4_NOT_SET_GUID		(0x00LL)
355#define MLX4_GUID_FOR_DELETE_VAL	(~(0x00LL))
356
357enum mlx4_guid_alias_rec_status {
358	MLX4_GUID_INFO_STATUS_IDLE,
359	MLX4_GUID_INFO_STATUS_SET,
360	MLX4_GUID_INFO_STATUS_PENDING,
361};
362
363enum mlx4_guid_alias_rec_ownership {
364	MLX4_GUID_DRIVER_ASSIGN,
365	MLX4_GUID_SYSADMIN_ASSIGN,
366	MLX4_GUID_NONE_ASSIGN, /*init state of each record*/
367};
368
369enum mlx4_guid_alias_rec_method {
370	MLX4_GUID_INFO_RECORD_SET	= IB_MGMT_METHOD_SET,
371	MLX4_GUID_INFO_RECORD_DELETE	= IB_SA_METHOD_DELETE,
372};
373
374struct mlx4_sriov_alias_guid_info_rec_det {
375	u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
376	ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
377	enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
378	u8 method; /*set or delete*/
379	enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/
380};
381
382struct mlx4_sriov_alias_guid_port_rec_det {
383	struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
384	struct workqueue_struct *wq;
385	struct delayed_work alias_guid_work;
386	u8 port;
387	struct mlx4_sriov_alias_guid *parent;
388	struct list_head cb_list;
389};
390
391struct mlx4_sriov_alias_guid {
392	struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
393	spinlock_t ag_work_lock;
394	struct ib_sa_client *sa_client;
395};
396
397struct mlx4_ib_demux_work {
398	struct work_struct	work;
399	struct mlx4_ib_dev     *dev;
400	int			slave;
401	int			do_init;
402	u8			port;
403
404};
405
406struct mlx4_ib_tun_tx_buf {
407	struct mlx4_ib_buf buf;
408	struct ib_ah *ah;
409};
410
411struct mlx4_ib_demux_pv_qp {
412	struct ib_qp *qp;
413	enum ib_qp_type proxy_qpt;
414	struct mlx4_ib_buf *ring;
415	struct mlx4_ib_tun_tx_buf *tx_ring;
416	spinlock_t tx_lock;
417	unsigned tx_ix_head;
418	unsigned tx_ix_tail;
419};
420
421enum mlx4_ib_demux_pv_state {
422	DEMUX_PV_STATE_DOWN,
423	DEMUX_PV_STATE_STARTING,
424	DEMUX_PV_STATE_ACTIVE,
425	DEMUX_PV_STATE_DOWNING,
426};
427
428struct mlx4_ib_demux_pv_ctx {
429	int port;
430	int slave;
431	enum mlx4_ib_demux_pv_state state;
432	int has_smi;
433	struct ib_device *ib_dev;
434	struct ib_cq *cq;
435	struct ib_pd *pd;
436	struct ib_mr *mr;
437	struct work_struct work;
438	struct workqueue_struct *wq;
439	struct mlx4_ib_demux_pv_qp qp[2];
440};
441
442struct mlx4_ib_demux_ctx {
443	struct ib_device *ib_dev;
444	int port;
445	struct workqueue_struct *wq;
446	struct workqueue_struct *ud_wq;
447	spinlock_t ud_lock;
448	__be64 subnet_prefix;
449	__be64 guid_cache[128];
450	struct mlx4_ib_dev *dev;
451	/* the following lock protects both mcg_table and mcg_mgid0_list */
452	struct mutex		mcg_table_lock;
453	struct rb_root		mcg_table;
454	struct list_head	mcg_mgid0_list;
455	struct workqueue_struct	*mcg_wq;
456	struct mlx4_ib_demux_pv_ctx **tun;
457	atomic_t tid;
458	int    flushing; /* flushing the work queue */
459};
460
461struct mlx4_ib_sriov {
462	struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
463	struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
464	/* when using this spinlock you should use "irq" because
465	 * it may be called from interrupt context.*/
466	spinlock_t going_down_lock;
467	int is_going_down;
468
469	struct mlx4_sriov_alias_guid alias_guid;
470
471	/* CM paravirtualization fields */
472	struct list_head cm_list;
473	spinlock_t id_map_lock;
474	struct rb_root sl_id_map;
475	struct idr pv_id_table;
476};
477
478struct mlx4_ib_iboe {
479	spinlock_t		lock;
480	struct net_device      *netdevs[MLX4_MAX_PORTS];
481	struct notifier_block 	nb;
482	union ib_gid		gid_table[MLX4_MAX_PORTS][128];
483};
484
485struct pkey_mgt {
486	u8			virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
487	u16			phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
488	struct list_head	pkey_port_list[MLX4_MFUNC_MAX];
489	struct kobject	       *device_parent[MLX4_MFUNC_MAX];
490};
491
492struct mlx4_ib_iov_sysfs_attr {
493	void *ctx;
494	struct kobject *kobj;
495	unsigned long data;
496	u32 entry_num;
497	char name[15];
498	struct device_attribute dentry;
499	struct device *dev;
500};
501
502struct mlx4_ib_iov_sysfs_attr_ar {
503	struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
504};
505
506struct mlx4_ib_iov_port {
507	char name[100];
508	u8 num;
509	struct mlx4_ib_dev *dev;
510	struct list_head list;
511	struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
512	struct ib_port_attr attr;
513	struct kobject	*cur_port;
514	struct kobject	*admin_alias_parent;
515	struct kobject	*gids_parent;
516	struct kobject	*pkeys_parent;
517	struct kobject	*mcgs_parent;
518	struct mlx4_ib_iov_sysfs_attr mcg_dentry;
519};
520
521struct mlx4_ib_dev {
522	struct ib_device	ib_dev;
523	struct mlx4_dev	       *dev;
524	int			num_ports;
525	struct mlx4_uar		priv_uar;
526	u32			priv_pdn;
527	MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
528
529	struct ib_mad_agent    *send_agent[MLX4_MAX_PORTS][2];
530	struct ib_ah	       *sm_ah[MLX4_MAX_PORTS];
531	spinlock_t		sm_lock;
532	struct mlx4_ib_sriov	sriov;
533
534	struct mutex		cap_mask_mutex;
535	bool			ib_active;
536	struct mlx4_ib_iboe	iboe;
537	int			counters[MLX4_MAX_PORTS];
538	int		       *eq_table;
539	int			eq_added;
540	struct kobject	       *iov_parent;
541	struct kobject	       *ports_parent;
542	struct kobject	       *dev_ports_parent[MLX4_MFUNC_MAX];
543	struct mlx4_ib_iov_port	iov_ports[MLX4_MAX_PORTS];
544	struct pkey_mgt		pkeys;
545	unsigned long *ib_uc_qpns_bitmap;
546	int steer_qpn_count;
547	int steer_qpn_base;
548};
549
550struct ib_event_work {
551	struct work_struct	work;
552	struct mlx4_ib_dev	*ib_dev;
553	struct mlx4_eqe		ib_eqe;
554};
555
556struct mlx4_ib_qp_tunnel_init_attr {
557	struct ib_qp_init_attr init_attr;
558	int slave;
559	enum ib_qp_type proxy_qp_type;
560	u8 port;
561};
562
563static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
564{
565	return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
566}
567
568static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
569{
570	return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
571}
572
573static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
574{
575	return container_of(ibpd, struct mlx4_ib_pd, ibpd);
576}
577
578static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
579{
580	return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
581}
582
583static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
584{
585	return container_of(ibcq, struct mlx4_ib_cq, ibcq);
586}
587
588static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
589{
590	return container_of(mcq, struct mlx4_ib_cq, mcq);
591}
592
593static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
594{
595	return container_of(ibmr, struct mlx4_ib_mr, ibmr);
596}
597
598static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
599{
600	return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
601}
602
603static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
604{
605	return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
606}
607static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
608{
609	return container_of(ibqp, struct mlx4_ib_qp, ibqp);
610}
611
612static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
613{
614	return container_of(mqp, struct mlx4_ib_qp, mqp);
615}
616
617static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
618{
619	return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
620}
621
622static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
623{
624	return container_of(msrq, struct mlx4_ib_srq, msrq);
625}
626
627static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
628{
629	return container_of(ibah, struct mlx4_ib_ah, ibah);
630}
631
632int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
633void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
634
635int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
636			struct mlx4_db *db);
637void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
638
639struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
640int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
641			   struct ib_umem *umem);
642int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem,
643						u64 start_va,
644						int *num_of_mtts);
645struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
646				  u64 virt_addr, int access_flags,
647				  struct ib_udata *udata, int mr_id);
648int mlx4_ib_dereg_mr(struct ib_mr *mr);
649struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
650					int max_page_list_len);
651struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
652							       int page_list_len);
653void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
654
655int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
656int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
657int mlx4_ib_ignore_overrun_cq(struct ib_cq *ibcq);
658struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
659				struct ib_ucontext *context,
660				struct ib_udata *udata);
661int mlx4_ib_destroy_cq(struct ib_cq *cq);
662int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
663int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
664void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
665void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
666
667struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
668int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
669int mlx4_ib_destroy_ah(struct ib_ah *ah);
670
671struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
672				  struct ib_srq_init_attr *init_attr,
673				  struct ib_udata *udata);
674int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
675		       enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
676int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
677int mlx4_ib_destroy_srq(struct ib_srq *srq);
678void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
679int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
680			  struct ib_recv_wr **bad_wr);
681
682struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
683				struct ib_qp_init_attr *init_attr,
684				struct ib_udata *udata);
685int mlx4_ib_destroy_qp(struct ib_qp *qp);
686int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
687		      int attr_mask, struct ib_udata *udata);
688int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
689		     struct ib_qp_init_attr *qp_init_attr);
690int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
691		      struct ib_send_wr **bad_wr);
692int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
693		      struct ib_recv_wr **bad_wr);
694
695int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
696		 int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
697		 void *in_mad, void *response_mad);
698int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags,	u8 port_num,
699			struct ib_wc *in_wc, struct ib_grh *in_grh,
700			struct ib_mad *in_mad, struct ib_mad *out_mad);
701int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
702void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
703
704struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
705				  struct ib_fmr_attr *fmr_attr);
706int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
707			 u64 iova);
708int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
709int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
710int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
711			 struct ib_port_attr *props, int netw_view);
712int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
713			 u16 *pkey, int netw_view);
714
715int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
716			union ib_gid *gid, int netw_view);
717
718int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr,
719			u8 *mac, int *is_mcast, u8 port);
720
721int mlx4_ib_query_if_stat(struct mlx4_ib_dev *dev, u32 counter_index,
722		       union mlx4_counter *counter, u8 clear);
723
724static inline int mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
725{
726	u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
727
728	if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
729		return 1;
730
731	return !!(ah->av.ib.g_slid & 0x80);
732}
733
734int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
735void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
736void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
737int mlx4_ib_mcg_init(void);
738void mlx4_ib_mcg_destroy(void);
739
740int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
741
742int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
743				  struct ib_sa_mad *sa_mad);
744int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
745			      struct ib_sa_mad *mad);
746
747int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
748		   union ib_gid *gid);
749
750void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
751			    enum ib_event_type type);
752
753void mlx4_ib_tunnels_update_work(struct work_struct *work);
754
755int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
756			  enum ib_qp_type qpt, struct ib_wc *wc,
757			  struct ib_grh *grh, struct ib_mad *mad);
758int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
759			 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
760			 u32 qkey, struct ib_ah_attr *attr, struct ib_mad *mad);
761__be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
762
763int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
764		struct ib_mad *mad, int is_eth);
765
766int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
767		struct ib_mad *mad);
768
769void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
770void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
771
772/* alias guid support */
773void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
774int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
775void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
776void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
777
778void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
779					  int block_num,
780					  u8 port_num, u8 *p_data);
781
782void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
783					 int block_num, u8 port_num,
784					 u8 *p_data);
785
786int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
787			    struct attribute *attr);
788void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
789			     struct attribute *attr);
790ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
791
792int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
793
794void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
795
796__be64 mlx4_ib_gen_node_guid(void);
797
798int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
799void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
800int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
801			 int is_attach);
802
803#endif /* MLX4_IB_H */
804