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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
41#include <rdma/ib_verbs.h>
42#include <rdma/ib_umem.h>
43
44#include <linux/mlx4/device.h>
45#include <linux/mlx4/doorbell.h>
46
47struct mlx4_ib_ucontext {
48 struct ib_ucontext ibucontext;
49 struct mlx4_uar uar;
50 struct list_head db_page_list;
51 struct mutex db_page_mutex;
52};
53
54struct mlx4_ib_pd {
55 struct ib_pd ibpd;
56 u32 pdn;
57};
58
59struct mlx4_ib_cq_buf {
60 struct mlx4_buf buf;
61 struct mlx4_mtt mtt;
62};
63
64struct mlx4_ib_cq_resize {
65 struct mlx4_ib_cq_buf buf;
66 int cqe;
67};
68
69struct mlx4_ib_cq {
70 struct ib_cq ibcq;
71 struct mlx4_cq mcq;
72 struct mlx4_ib_cq_buf buf;
73 struct mlx4_ib_cq_resize *resize_buf;
74 struct mlx4_db db;
75 spinlock_t lock;
76 struct mutex resize_mutex;
77 struct ib_umem *umem;
78 struct ib_umem *resize_umem;
79};
80
81struct mlx4_ib_mr {
82 struct ib_mr ibmr;
83 struct mlx4_mr mmr;
84 struct ib_umem *umem;
85};
86
87struct mlx4_ib_fast_reg_page_list {
88 struct ib_fast_reg_page_list ibfrpl;
89 __be64 *mapped_page_list;
90 dma_addr_t map;
91};
92
93struct mlx4_ib_fmr {
94 struct ib_fmr ibfmr;
95 struct mlx4_fmr mfmr;
96};
97
98struct mlx4_ib_wq {
99 u64 *wrid;
100 spinlock_t lock;
101 int wqe_cnt;
102 int max_post;
103 int max_gs;
104 int offset;
105 int wqe_shift;
106 unsigned head;
107 unsigned tail;
108};
109
110enum mlx4_ib_qp_flags {
111 MLX4_IB_QP_LSO = 1 << 0,
112 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = 1 << 1,
113};
114
115struct mlx4_ib_gid_entry {
116 struct list_head list;
117 union ib_gid gid;
118 int added;
119 u8 port;
120};
121
122struct mlx4_ib_qp {
123 struct ib_qp ibqp;
124 struct mlx4_qp mqp;
125 struct mlx4_buf buf;
126
127 struct mlx4_db db;
128 struct mlx4_ib_wq rq;
129
130 u32 doorbell_qpn;
131 __be32 sq_signal_bits;
132 unsigned sq_next_wqe;
133 int sq_max_wqes_per_wr;
134 int sq_spare_wqes;
135 struct mlx4_ib_wq sq;
136
137 struct ib_umem *umem;
138 struct mlx4_mtt mtt;
139 int buf_size;
140 struct mutex mutex;
141 u32 flags;
142 u8 port;
143 u8 alt_port;
144 u8 atomic_rd_en;
145 u8 resp_depth;
146 u8 sq_no_prefetch;
147 u8 state;
148 int mlx_type;
149 struct list_head gid_list;
150};
151
152struct mlx4_ib_srq {
153 struct ib_srq ibsrq;
154 struct mlx4_srq msrq;
155 struct mlx4_buf buf;
156 struct mlx4_db db;
157 u64 *wrid;
158 spinlock_t lock;
159 int head;
160 int tail;
161 u16 wqe_ctr;
162 struct ib_umem *umem;
163 struct mlx4_mtt mtt;
164 struct mutex mutex;
165};
166
167struct mlx4_ib_ah {
168 struct ib_ah ibah;
169 union mlx4_ext_av av;
170};
171
172struct mlx4_ib_iboe {
173 spinlock_t lock;
174 struct net_device *netdevs[MLX4_MAX_PORTS];
175 struct notifier_block nb;
176 union ib_gid gid_table[MLX4_MAX_PORTS][128];
177};
178
179struct mlx4_ib_dev {
180 struct ib_device ib_dev;
181 struct mlx4_dev *dev;
182 int num_ports;
183 void __iomem *uar_map;
184
185 struct mlx4_uar priv_uar;
186 u32 priv_pdn;
187 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
188
189 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
190 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
191 spinlock_t sm_lock;
192
193 struct mutex cap_mask_mutex;
194 bool ib_active;
195 struct mlx4_ib_iboe iboe;
196 int counters[MLX4_MAX_PORTS];
197};
198
199static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
200{
201 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
202}
203
204static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
205{
206 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
207}
208
209static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
210{
211 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
212}
213
214static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
215{
216 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
217}
218
219static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
220{
221 return container_of(mcq, struct mlx4_ib_cq, mcq);
222}
223
224static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
225{
226 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
227}
228
229static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
230{
231 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
232}
233
234static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
235{
236 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
237}
238static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
239{
240 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
241}
242
243static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
244{
245 return container_of(mqp, struct mlx4_ib_qp, mqp);
246}
247
248static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
249{
250 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
251}
252
253static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
254{
255 return container_of(msrq, struct mlx4_ib_srq, msrq);
256}
257
258static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
259{
260 return container_of(ibah, struct mlx4_ib_ah, ibah);
261}
262
263int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
264 struct mlx4_db *db);
265void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
266
267struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
268int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
269 struct ib_umem *umem);
270struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
271 u64 virt_addr, int access_flags,
272 struct ib_udata *udata);
273int mlx4_ib_dereg_mr(struct ib_mr *mr);
274struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
275 int max_page_list_len);
276struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
277 int page_list_len);
278void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
279
280int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
281int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
282struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
283 struct ib_ucontext *context,
284 struct ib_udata *udata);
285int mlx4_ib_destroy_cq(struct ib_cq *cq);
286int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
287int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
288void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
289void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
290
291struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
292int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
293int mlx4_ib_destroy_ah(struct ib_ah *ah);
294
295struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
296 struct ib_srq_init_attr *init_attr,
297 struct ib_udata *udata);
298int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
299 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
300int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
301int mlx4_ib_destroy_srq(struct ib_srq *srq);
302void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
303int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
304 struct ib_recv_wr **bad_wr);
305
306struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
307 struct ib_qp_init_attr *init_attr,
308 struct ib_udata *udata);
309int mlx4_ib_destroy_qp(struct ib_qp *qp);
310int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
311 int attr_mask, struct ib_udata *udata);
312int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
313 struct ib_qp_init_attr *qp_init_attr);
314int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
315 struct ib_send_wr **bad_wr);
316int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
317 struct ib_recv_wr **bad_wr);
318
319int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int ignore_mkey, int ignore_bkey,
320 int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
321 void *in_mad, void *response_mad);
322int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
323 struct ib_wc *in_wc, struct ib_grh *in_grh,
324 struct ib_mad *in_mad, struct ib_mad *out_mad);
325int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
326void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
327
328struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
329 struct ib_fmr_attr *fmr_attr);
330int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
331 u64 iova);
332int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
333int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
334
335int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr,
336 u8 *mac, int *is_mcast, u8 port);
337
338static inline int mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
339{
340 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
341
342 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
343 return 1;
344
345 return !!(ah->av.ib.g_slid & 0x80);
346}
347
348int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
349 union ib_gid *gid);
350
351#endif /* MLX4_IB_H */
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
42#include <rdma/ib_verbs.h>
43#include <rdma/ib_umem.h>
44#include <rdma/ib_mad.h>
45#include <rdma/ib_sa.h>
46
47#include <linux/mlx4/device.h>
48#include <linux/mlx4/doorbell.h>
49#include <linux/mlx4/qp.h>
50#include <linux/mlx4/cq.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)->dev.parent, MLX4_IB_DRV_NAME ": " format, ## arg)
61
62enum {
63 MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
64 MLX4_IB_MAX_HEADROOM = 2048
65};
66
67#define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
68#define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
69
70/*module param to indicate if SM assigns the alias_GUID*/
71extern int mlx4_ib_sm_guid_assign;
72
73#define MLX4_IB_UC_STEER_QPN_ALIGN 1
74#define MLX4_IB_UC_MAX_NUM_QPS 256
75
76enum hw_bar_type {
77 HW_BAR_BF,
78 HW_BAR_DB,
79 HW_BAR_CLOCK,
80 HW_BAR_COUNT
81};
82
83struct mlx4_ib_ucontext {
84 struct ib_ucontext ibucontext;
85 struct mlx4_uar uar;
86 struct list_head db_page_list;
87 struct mutex db_page_mutex;
88 struct list_head wqn_ranges_list;
89 struct mutex wqn_ranges_mutex; /* protect wqn_ranges_list */
90};
91
92struct mlx4_ib_pd {
93 struct ib_pd ibpd;
94 u32 pdn;
95};
96
97struct mlx4_ib_xrcd {
98 struct ib_xrcd ibxrcd;
99 u32 xrcdn;
100 struct ib_pd *pd;
101 struct ib_cq *cq;
102};
103
104struct mlx4_ib_cq_buf {
105 struct mlx4_buf buf;
106 struct mlx4_mtt mtt;
107 int entry_size;
108};
109
110struct mlx4_ib_cq_resize {
111 struct mlx4_ib_cq_buf buf;
112 int cqe;
113};
114
115struct mlx4_ib_cq {
116 struct ib_cq ibcq;
117 struct mlx4_cq mcq;
118 struct mlx4_ib_cq_buf buf;
119 struct mlx4_ib_cq_resize *resize_buf;
120 struct mlx4_db db;
121 spinlock_t lock;
122 struct mutex resize_mutex;
123 struct ib_umem *umem;
124 struct ib_umem *resize_umem;
125 int create_flags;
126 /* List of qps that it serves.*/
127 struct list_head send_qp_list;
128 struct list_head recv_qp_list;
129};
130
131#define MLX4_MR_PAGES_ALIGN 0x40
132
133struct mlx4_ib_mr {
134 struct ib_mr ibmr;
135 __be64 *pages;
136 dma_addr_t page_map;
137 u32 npages;
138 u32 max_pages;
139 struct mlx4_mr mmr;
140 struct ib_umem *umem;
141 size_t page_map_size;
142};
143
144struct mlx4_ib_mw {
145 struct ib_mw ibmw;
146 struct mlx4_mw mmw;
147};
148
149#define MAX_REGS_PER_FLOW 2
150
151struct mlx4_flow_reg_id {
152 u64 id;
153 u64 mirror;
154};
155
156struct mlx4_ib_flow {
157 struct ib_flow ibflow;
158 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
159 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
160};
161
162struct mlx4_ib_wq {
163 u64 *wrid;
164 spinlock_t lock;
165 int wqe_cnt;
166 int max_post;
167 int max_gs;
168 int offset;
169 int wqe_shift;
170 unsigned head;
171 unsigned tail;
172};
173
174enum {
175 MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START
176};
177
178enum mlx4_ib_qp_flags {
179 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
180 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
181 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
182 MLX4_IB_QP_SCATTER_FCS = IB_QP_CREATE_SCATTER_FCS,
183
184 /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */
185 MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI,
186 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
187 MLX4_IB_SRIOV_SQP = 1 << 31,
188};
189
190struct mlx4_ib_gid_entry {
191 struct list_head list;
192 union ib_gid gid;
193 int added;
194 u8 port;
195};
196
197enum mlx4_ib_qp_type {
198 /*
199 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
200 * here (and in that order) since the MAD layer uses them as
201 * indices into a 2-entry table.
202 */
203 MLX4_IB_QPT_SMI = IB_QPT_SMI,
204 MLX4_IB_QPT_GSI = IB_QPT_GSI,
205
206 MLX4_IB_QPT_RC = IB_QPT_RC,
207 MLX4_IB_QPT_UC = IB_QPT_UC,
208 MLX4_IB_QPT_UD = IB_QPT_UD,
209 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
210 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
211 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
212 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
213 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
214
215 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
216 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
217 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
218 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
219 MLX4_IB_QPT_TUN_SMI = 1 << 20,
220 MLX4_IB_QPT_TUN_GSI = 1 << 21,
221};
222
223#define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
224 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
225 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
226
227enum mlx4_ib_mad_ifc_flags {
228 MLX4_MAD_IFC_IGNORE_MKEY = 1,
229 MLX4_MAD_IFC_IGNORE_BKEY = 2,
230 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
231 MLX4_MAD_IFC_IGNORE_BKEY),
232 MLX4_MAD_IFC_NET_VIEW = 4,
233};
234
235enum {
236 MLX4_NUM_TUNNEL_BUFS = 256,
237};
238
239struct mlx4_ib_tunnel_header {
240 struct mlx4_av av;
241 __be32 remote_qpn;
242 __be32 qkey;
243 __be16 vlan;
244 u8 mac[6];
245 __be16 pkey_index;
246 u8 reserved[6];
247};
248
249struct mlx4_ib_buf {
250 void *addr;
251 dma_addr_t map;
252};
253
254struct mlx4_rcv_tunnel_hdr {
255 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
256 * 0x0 - no vlan was in the packet
257 * 0x01 - C-VLAN was in the packet */
258 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
259 u8 reserved;
260 __be16 pkey_index;
261 __be16 sl_vid;
262 __be16 slid_mac_47_32;
263 __be32 mac_31_0;
264};
265
266struct mlx4_ib_proxy_sqp_hdr {
267 struct ib_grh grh;
268 struct mlx4_rcv_tunnel_hdr tun;
269} __packed;
270
271struct mlx4_roce_smac_vlan_info {
272 u64 smac;
273 int smac_index;
274 int smac_port;
275 u64 candidate_smac;
276 int candidate_smac_index;
277 int candidate_smac_port;
278 u16 vid;
279 int vlan_index;
280 int vlan_port;
281 u16 candidate_vid;
282 int candidate_vlan_index;
283 int candidate_vlan_port;
284 int update_vid;
285};
286
287struct mlx4_wqn_range {
288 int base_wqn;
289 int size;
290 int refcount;
291 bool dirty;
292 struct list_head list;
293};
294
295struct mlx4_ib_rss {
296 unsigned int base_qpn_tbl_sz;
297 u8 flags;
298 u8 rss_key[MLX4_EN_RSS_KEY_SIZE];
299};
300
301struct mlx4_ib_qp {
302 union {
303 struct ib_qp ibqp;
304 struct ib_wq ibwq;
305 };
306 struct mlx4_qp mqp;
307 struct mlx4_buf buf;
308
309 struct mlx4_db db;
310 struct mlx4_ib_wq rq;
311
312 u32 doorbell_qpn;
313 __be32 sq_signal_bits;
314 unsigned sq_next_wqe;
315 int sq_spare_wqes;
316 struct mlx4_ib_wq sq;
317
318 enum mlx4_ib_qp_type mlx4_ib_qp_type;
319 struct ib_umem *umem;
320 struct mlx4_mtt mtt;
321 int buf_size;
322 struct mutex mutex;
323 u16 xrcdn;
324 u32 flags;
325 u8 port;
326 u8 alt_port;
327 u8 atomic_rd_en;
328 u8 resp_depth;
329 u8 sq_no_prefetch;
330 u8 state;
331 int mlx_type;
332 u32 inl_recv_sz;
333 struct list_head gid_list;
334 struct list_head steering_rules;
335 struct mlx4_ib_buf *sqp_proxy_rcv;
336 struct mlx4_roce_smac_vlan_info pri;
337 struct mlx4_roce_smac_vlan_info alt;
338 u64 reg_id;
339 struct list_head qps_list;
340 struct list_head cq_recv_list;
341 struct list_head cq_send_list;
342 struct counter_index *counter_index;
343 struct mlx4_wqn_range *wqn_range;
344 /* Number of RSS QP parents that uses this WQ */
345 u32 rss_usecnt;
346 struct mlx4_ib_rss *rss_ctx;
347};
348
349struct mlx4_ib_srq {
350 struct ib_srq ibsrq;
351 struct mlx4_srq msrq;
352 struct mlx4_buf buf;
353 struct mlx4_db db;
354 u64 *wrid;
355 spinlock_t lock;
356 int head;
357 int tail;
358 u16 wqe_ctr;
359 struct ib_umem *umem;
360 struct mlx4_mtt mtt;
361 struct mutex mutex;
362};
363
364struct mlx4_ib_ah {
365 struct ib_ah ibah;
366 union mlx4_ext_av av;
367};
368
369/****************************************/
370/* alias guid support */
371/****************************************/
372#define NUM_PORT_ALIAS_GUID 2
373#define NUM_ALIAS_GUID_IN_REC 8
374#define NUM_ALIAS_GUID_REC_IN_PORT 16
375#define GUID_REC_SIZE 8
376#define NUM_ALIAS_GUID_PER_PORT 128
377#define MLX4_NOT_SET_GUID (0x00LL)
378#define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
379
380enum mlx4_guid_alias_rec_status {
381 MLX4_GUID_INFO_STATUS_IDLE,
382 MLX4_GUID_INFO_STATUS_SET,
383};
384
385#define GUID_STATE_NEED_PORT_INIT 0x01
386
387enum mlx4_guid_alias_rec_method {
388 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
389 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
390};
391
392struct mlx4_sriov_alias_guid_info_rec_det {
393 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
394 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
395 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
396 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
397 u64 time_to_run;
398};
399
400struct mlx4_sriov_alias_guid_port_rec_det {
401 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
402 struct workqueue_struct *wq;
403 struct delayed_work alias_guid_work;
404 u8 port;
405 u32 state_flags;
406 struct mlx4_sriov_alias_guid *parent;
407 struct list_head cb_list;
408};
409
410struct mlx4_sriov_alias_guid {
411 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
412 spinlock_t ag_work_lock;
413 struct ib_sa_client *sa_client;
414};
415
416struct mlx4_ib_demux_work {
417 struct work_struct work;
418 struct mlx4_ib_dev *dev;
419 int slave;
420 int do_init;
421 u8 port;
422
423};
424
425struct mlx4_ib_tun_tx_buf {
426 struct mlx4_ib_buf buf;
427 struct ib_ah *ah;
428};
429
430struct mlx4_ib_demux_pv_qp {
431 struct ib_qp *qp;
432 enum ib_qp_type proxy_qpt;
433 struct mlx4_ib_buf *ring;
434 struct mlx4_ib_tun_tx_buf *tx_ring;
435 spinlock_t tx_lock;
436 unsigned tx_ix_head;
437 unsigned tx_ix_tail;
438};
439
440enum mlx4_ib_demux_pv_state {
441 DEMUX_PV_STATE_DOWN,
442 DEMUX_PV_STATE_STARTING,
443 DEMUX_PV_STATE_ACTIVE,
444 DEMUX_PV_STATE_DOWNING,
445};
446
447struct mlx4_ib_demux_pv_ctx {
448 int port;
449 int slave;
450 enum mlx4_ib_demux_pv_state state;
451 int has_smi;
452 struct ib_device *ib_dev;
453 struct ib_cq *cq;
454 struct ib_pd *pd;
455 struct work_struct work;
456 struct workqueue_struct *wq;
457 struct mlx4_ib_demux_pv_qp qp[2];
458};
459
460struct mlx4_ib_demux_ctx {
461 struct ib_device *ib_dev;
462 int port;
463 struct workqueue_struct *wq;
464 struct workqueue_struct *ud_wq;
465 spinlock_t ud_lock;
466 atomic64_t subnet_prefix;
467 __be64 guid_cache[128];
468 struct mlx4_ib_dev *dev;
469 /* the following lock protects both mcg_table and mcg_mgid0_list */
470 struct mutex mcg_table_lock;
471 struct rb_root mcg_table;
472 struct list_head mcg_mgid0_list;
473 struct workqueue_struct *mcg_wq;
474 struct mlx4_ib_demux_pv_ctx **tun;
475 atomic_t tid;
476 int flushing; /* flushing the work queue */
477};
478
479struct mlx4_ib_sriov {
480 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
481 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
482 /* when using this spinlock you should use "irq" because
483 * it may be called from interrupt context.*/
484 spinlock_t going_down_lock;
485 int is_going_down;
486
487 struct mlx4_sriov_alias_guid alias_guid;
488
489 /* CM paravirtualization fields */
490 struct xarray pv_id_table;
491 u32 pv_id_next;
492 spinlock_t id_map_lock;
493 struct rb_root sl_id_map;
494 struct list_head cm_list;
495};
496
497struct gid_cache_context {
498 int real_index;
499 int refcount;
500};
501
502struct gid_entry {
503 union ib_gid gid;
504 enum ib_gid_type gid_type;
505 struct gid_cache_context *ctx;
506 u16 vlan_id;
507};
508
509struct mlx4_port_gid_table {
510 struct gid_entry gids[MLX4_MAX_PORT_GIDS];
511};
512
513struct mlx4_ib_iboe {
514 spinlock_t lock;
515 struct net_device *netdevs[MLX4_MAX_PORTS];
516 atomic64_t mac[MLX4_MAX_PORTS];
517 struct notifier_block nb;
518 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
519 enum ib_port_state last_port_state[MLX4_MAX_PORTS];
520};
521
522struct pkey_mgt {
523 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
524 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
525 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
526 struct kobject *device_parent[MLX4_MFUNC_MAX];
527};
528
529struct mlx4_ib_iov_sysfs_attr {
530 void *ctx;
531 struct kobject *kobj;
532 unsigned long data;
533 u32 entry_num;
534 char name[15];
535 struct device_attribute dentry;
536 struct device *dev;
537};
538
539struct mlx4_ib_iov_sysfs_attr_ar {
540 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
541};
542
543struct mlx4_ib_iov_port {
544 char name[100];
545 u8 num;
546 struct mlx4_ib_dev *dev;
547 struct list_head list;
548 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
549 struct ib_port_attr attr;
550 struct kobject *cur_port;
551 struct kobject *admin_alias_parent;
552 struct kobject *gids_parent;
553 struct kobject *pkeys_parent;
554 struct kobject *mcgs_parent;
555 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
556};
557
558struct counter_index {
559 struct list_head list;
560 u32 index;
561 u8 allocated;
562};
563
564struct mlx4_ib_counters {
565 struct list_head counters_list;
566 struct mutex mutex; /* mutex for accessing counters list */
567 u32 default_counter;
568};
569
570#define MLX4_DIAG_COUNTERS_TYPES 2
571
572struct mlx4_ib_diag_counters {
573 const char **name;
574 u32 *offset;
575 u32 num_counters;
576};
577
578struct mlx4_ib_dev {
579 struct ib_device ib_dev;
580 struct mlx4_dev *dev;
581 int num_ports;
582 void __iomem *uar_map;
583
584 struct mlx4_uar priv_uar;
585 u32 priv_pdn;
586 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
587
588 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
589 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
590 spinlock_t sm_lock;
591 atomic64_t sl2vl[MLX4_MAX_PORTS];
592 struct mlx4_ib_sriov sriov;
593
594 struct mutex cap_mask_mutex;
595 bool ib_active;
596 struct mlx4_ib_iboe iboe;
597 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS];
598 int *eq_table;
599 struct kobject *iov_parent;
600 struct kobject *ports_parent;
601 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
602 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
603 struct pkey_mgt pkeys;
604 unsigned long *ib_uc_qpns_bitmap;
605 int steer_qpn_count;
606 int steer_qpn_base;
607 int steering_support;
608 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
609 /* lock when destroying qp1_proxy and getting netdev events */
610 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
611 u8 bond_next_port;
612 /* protect resources needed as part of reset flow */
613 spinlock_t reset_flow_resource_lock;
614 struct list_head qp_list;
615 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES];
616};
617
618struct ib_event_work {
619 struct work_struct work;
620 struct mlx4_ib_dev *ib_dev;
621 struct mlx4_eqe ib_eqe;
622 int port;
623};
624
625struct mlx4_ib_qp_tunnel_init_attr {
626 struct ib_qp_init_attr init_attr;
627 int slave;
628 enum ib_qp_type proxy_qp_type;
629 u8 port;
630};
631
632struct mlx4_uverbs_ex_query_device {
633 __u32 comp_mask;
634 __u32 reserved;
635};
636
637static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
638{
639 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
640}
641
642static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
643{
644 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
645}
646
647static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
648{
649 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
650}
651
652static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
653{
654 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
655}
656
657static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
658{
659 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
660}
661
662static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
663{
664 return container_of(mcq, struct mlx4_ib_cq, mcq);
665}
666
667static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
668{
669 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
670}
671
672static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
673{
674 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
675}
676
677static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
678{
679 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
680}
681
682static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
683{
684 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
685}
686
687static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
688{
689 return container_of(mqp, struct mlx4_ib_qp, mqp);
690}
691
692static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
693{
694 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
695}
696
697static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
698{
699 return container_of(msrq, struct mlx4_ib_srq, msrq);
700}
701
702static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
703{
704 return container_of(ibah, struct mlx4_ib_ah, ibah);
705}
706
707static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
708{
709 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
710
711 return dev->bond_next_port + 1;
712}
713
714int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
715void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
716
717int mlx4_ib_db_map_user(struct ib_udata *udata, unsigned long virt,
718 struct mlx4_db *db);
719void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
720
721struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
722int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
723 struct ib_umem *umem);
724struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
725 u64 virt_addr, int access_flags,
726 struct ib_udata *udata);
727int mlx4_ib_dereg_mr(struct ib_mr *mr, struct ib_udata *udata);
728struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
729 struct ib_udata *udata);
730int mlx4_ib_dealloc_mw(struct ib_mw *mw);
731struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
732 u32 max_num_sg);
733int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
734 unsigned int *sg_offset);
735int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
736int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
737int mlx4_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
738 struct ib_udata *udata);
739void mlx4_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
740int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
741int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
742void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
743void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
744
745int mlx4_ib_create_ah(struct ib_ah *ah, struct rdma_ah_init_attr *init_attr,
746 struct ib_udata *udata);
747int mlx4_ib_create_ah_slave(struct ib_ah *ah, struct rdma_ah_attr *ah_attr,
748 int slave_sgid_index, u8 *s_mac, u16 vlan_tag);
749int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
750void mlx4_ib_destroy_ah(struct ib_ah *ah, u32 flags);
751
752int mlx4_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr,
753 struct ib_udata *udata);
754int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
755 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
756int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
757void mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
758void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
759int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
760 const struct ib_recv_wr **bad_wr);
761
762struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
763 struct ib_qp_init_attr *init_attr,
764 struct ib_udata *udata);
765int mlx4_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
766void mlx4_ib_drain_sq(struct ib_qp *qp);
767void mlx4_ib_drain_rq(struct ib_qp *qp);
768int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
769 int attr_mask, struct ib_udata *udata);
770int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
771 struct ib_qp_init_attr *qp_init_attr);
772int mlx4_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
773 const struct ib_send_wr **bad_wr);
774int mlx4_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
775 const struct ib_recv_wr **bad_wr);
776
777int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
778 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
779 const void *in_mad, void *response_mad);
780int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
781 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
782 const struct ib_mad *in, struct ib_mad *out,
783 size_t *out_mad_size, u16 *out_mad_pkey_index);
784int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
785void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
786
787int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
788 struct ib_port_attr *props, int netw_view);
789int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
790 u16 *pkey, int netw_view);
791
792int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
793 union ib_gid *gid, int netw_view);
794
795static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
796{
797 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
798
799 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
800 return true;
801
802 return !!(ah->av.ib.g_slid & 0x80);
803}
804
805int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
806void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
807void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
808int mlx4_ib_mcg_init(void);
809void mlx4_ib_mcg_destroy(void);
810
811int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
812
813int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
814 struct ib_sa_mad *sa_mad);
815int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
816 struct ib_sa_mad *mad);
817
818int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
819 union ib_gid *gid);
820
821void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
822 enum ib_event_type type);
823
824void mlx4_ib_tunnels_update_work(struct work_struct *work);
825
826int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
827 enum ib_qp_type qpt, struct ib_wc *wc,
828 struct ib_grh *grh, struct ib_mad *mad);
829
830int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
831 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
832 u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac,
833 u16 vlan_id, struct ib_mad *mad);
834
835__be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
836
837int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
838 struct ib_mad *mad);
839
840int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
841 struct ib_mad *mad);
842
843void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
844void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
845
846/* alias guid support */
847void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
848int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
849void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
850void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
851
852void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
853 int block_num,
854 u8 port_num, u8 *p_data);
855
856void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
857 int block_num, u8 port_num,
858 u8 *p_data);
859
860int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
861 struct attribute *attr);
862void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
863 struct attribute *attr);
864ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
865void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
866 int port, int slave_init);
867
868int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
869
870void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
871
872__be64 mlx4_ib_gen_node_guid(void);
873
874int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
875void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
876int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
877 int is_attach);
878int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
879 u64 start, u64 length, u64 virt_addr,
880 int mr_access_flags, struct ib_pd *pd,
881 struct ib_udata *udata);
882int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
883 const struct ib_gid_attr *attr);
884
885void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
886 int port);
887
888void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port);
889
890struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd,
891 struct ib_wq_init_attr *init_attr,
892 struct ib_udata *udata);
893void mlx4_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata);
894int mlx4_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
895 u32 wq_attr_mask, struct ib_udata *udata);
896
897struct ib_rwq_ind_table
898*mlx4_ib_create_rwq_ind_table(struct ib_device *device,
899 struct ib_rwq_ind_table_init_attr *init_attr,
900 struct ib_udata *udata);
901int mlx4_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table);
902int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem, u64 start_va,
903 int *num_of_mtts);
904
905#endif /* MLX4_IB_H */