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