[etc] Fix a build break (the build it self would simply die)
[mirror/winof/.git] / hw / mthca / kernel / hca_data.c
1 /*\r
2  * Copyright (c) 2005 SilverStorm Technologies.  All rights reserved.\r
3  * Copyright (c) 2004-2005 Mellanox Technologies, Inc. All rights reserved. \r
4  *\r
5  * This software is available to you under the OpenIB.org BSD license\r
6  * below:\r
7  *\r
8  *     Redistribution and use in source and binary forms, with or\r
9  *     without modification, are permitted provided that the following\r
10  *     conditions are met:\r
11  *\r
12  *      - Redistributions of source code must retain the above\r
13  *        copyright notice, this list of conditions and the following\r
14  *        disclaimer.\r
15  *\r
16  *      - Redistributions in binary form must reproduce the above\r
17  *        copyright notice, this list of conditions and the following\r
18  *        disclaimer in the documentation and/or other materials\r
19  *        provided with the distribution.\r
20  *\r
21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
22  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
23  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
24  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\r
25  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\r
26  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
27  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\r
28  * SOFTWARE.\r
29  *\r
30  * $Id$\r
31  */\r
32 \r
33 \r
34 #include "hca_driver.h"\r
35 #include "hca_utils.h"\r
36 \r
37 #if defined(EVENT_TRACING)\r
38 #ifdef offsetof\r
39 #undef offsetof\r
40 #endif\r
41 #include "hca_data.tmh"\r
42 #endif\r
43 \r
44 #include "mthca_dev.h"\r
45 #include <ib_cache.h>\r
46 \r
47 static cl_spinlock_t    hob_lock;\r
48 \r
49 \r
50 \r
51 uint32_t                g_mlnx_dpc2thread = 0;\r
52 \r
53 \r
54 cl_qlist_t              mlnx_hca_list;\r
55 \r
56 mlnx_hob_t              mlnx_hob_array[MLNX_NUM_HOBKL];         // kernel HOB - one per HCA (cmdif access)\r
57 mlnx_hobul_t    *mlnx_hobul_array[MLNX_NUM_HOBUL];      // kernel HOBUL - one per HCA (kar access)\r
58 \r
59 /////////////////////////////////////////////////////////\r
60 // ### HCA\r
61 /////////////////////////////////////////////////////////\r
62 void\r
63 mlnx_hca_insert(\r
64         IN                              mlnx_hca_t                                      *p_hca )\r
65 {\r
66         cl_spinlock_acquire( &hob_lock );\r
67         cl_qlist_insert_tail( &mlnx_hca_list, &p_hca->list_item );\r
68         cl_spinlock_release( &hob_lock );\r
69 }\r
70 \r
71 void\r
72 mlnx_hca_remove(\r
73         IN                              mlnx_hca_t                                      *p_hca )\r
74 {\r
75         cl_spinlock_acquire( &hob_lock );\r
76         cl_qlist_remove_item( &mlnx_hca_list, &p_hca->list_item );\r
77         cl_spinlock_release( &hob_lock );\r
78 }\r
79 \r
80 mlnx_hca_t*\r
81 mlnx_hca_from_guid(\r
82         IN                              ib_net64_t                                      guid )\r
83 {\r
84         cl_list_item_t  *p_item;\r
85         mlnx_hca_t              *p_hca = NULL;\r
86 \r
87         cl_spinlock_acquire( &hob_lock );\r
88         p_item = cl_qlist_head( &mlnx_hca_list );\r
89         while( p_item != cl_qlist_end( &mlnx_hca_list ) )\r
90         {\r
91                 p_hca = PARENT_STRUCT( p_item, mlnx_hca_t, list_item );\r
92                 if( p_hca->guid == guid )\r
93                         break;\r
94                 p_item = cl_qlist_next( p_item );\r
95                 p_hca = NULL;\r
96         }\r
97         cl_spinlock_release( &hob_lock );\r
98         return p_hca;\r
99 }\r
100 \r
101 /*\r
102 void\r
103 mlnx_names_from_guid(\r
104         IN                              ib_net64_t                                      guid,\r
105                 OUT                     char                                            **hca_name_p,\r
106                 OUT                     char                                            **dev_name_p)\r
107 {\r
108         unsigned int idx;\r
109 \r
110         if (!hca_name_p) return;\r
111         if (!dev_name_p) return;\r
112 \r
113         for (idx = 0; idx < mlnx_num_hca; idx++)\r
114         {\r
115                 if (mlnx_hca_array[idx].ifx.guid == guid)\r
116                 {\r
117                         *hca_name_p = mlnx_hca_array[idx].hca_name_p;\r
118                         *dev_name_p = mlnx_hca_array[idx].dev_name_p;\r
119                 }\r
120         }\r
121 }\r
122 */\r
123 \r
124 /////////////////////////////////////////////////////////\r
125 // ### HCA\r
126 /////////////////////////////////////////////////////////\r
127 cl_status_t\r
128 mlnx_hcas_init( void )\r
129 {\r
130         cl_qlist_init( &mlnx_hca_list );\r
131         return cl_spinlock_init( &hob_lock );\r
132 }\r
133 \r
134 \r
135 /////////////////////////////////////////////////////////\r
136 /////////////////////////////////////////////////////////\r
137 ib_api_status_t\r
138 mlnx_hobs_set_cb(\r
139         IN                              mlnx_hob_t                                      *hob_p, \r
140         IN                              ci_completion_cb_t                      comp_cb_p,\r
141         IN                              ci_async_event_cb_t                     async_cb_p,\r
142         IN              const   void* const                                     ib_context)\r
143 {\r
144         cl_status_t             cl_status;\r
145 \r
146         // Setup the callbacks\r
147         if (!hob_p->async_proc_mgr_p)\r
148         {\r
149                 hob_p->async_proc_mgr_p = cl_malloc( sizeof( cl_async_proc_t ) );\r
150                 if( !hob_p->async_proc_mgr_p )\r
151                 {\r
152                         return IB_INSUFFICIENT_MEMORY;\r
153                 }\r
154                 cl_async_proc_construct( hob_p->async_proc_mgr_p );\r
155                 cl_status = cl_async_proc_init( hob_p->async_proc_mgr_p, MLNX_NUM_CB_THR, "CBthread" );\r
156                 if( cl_status != CL_SUCCESS )\r
157                 {\r
158                         cl_async_proc_destroy( hob_p->async_proc_mgr_p );\r
159                         cl_free(hob_p->async_proc_mgr_p);\r
160                         hob_p->async_proc_mgr_p = NULL;\r
161                         return IB_INSUFFICIENT_RESOURCES;\r
162                 }\r
163         }\r
164 \r
165         hob_p->comp_cb_p        = comp_cb_p;\r
166         hob_p->async_cb_p = async_cb_p;\r
167         hob_p->ca_context = ib_context; // This is the context our CB forwards to IBAL\r
168         HCA_PRINT(TRACE_LEVEL_INFORMATION, HCA_DBG_SHIM,("CL: hca_idx %d context 0x%p\n", (int)(hob_p - mlnx_hob_array), ib_context));\r
169         return IB_SUCCESS;\r
170 }\r
171 \r
172 /////////////////////////////////////////////////////////\r
173 /////////////////////////////////////////////////////////\r
174 void\r
175 mlnx_hobs_remove(\r
176         IN                              mlnx_hob_t                                      *hob_p)\r
177 {\r
178         cl_async_proc_t *p_async_proc;\r
179 \r
180 \r
181         cl_spinlock_acquire( &hob_lock );\r
182 \r
183         hob_p->mark = E_MARK_INVALID;\r
184 \r
185         p_async_proc = hob_p->async_proc_mgr_p;\r
186         hob_p->async_proc_mgr_p = NULL;\r
187 \r
188         hob_p->comp_cb_p = NULL;\r
189         hob_p->async_cb_p = NULL;\r
190         hob_p->ca_context = NULL;\r
191         hob_p->cl_device_h = NULL;\r
192 \r
193         cl_spinlock_release( &hob_lock );\r
194 \r
195         if( p_async_proc )\r
196         {\r
197                 cl_async_proc_destroy( p_async_proc );\r
198                 cl_free( p_async_proc );\r
199         }\r
200 \r
201 \r
202 \r
203         HCA_PRINT(TRACE_LEVEL_INFORMATION, HCA_DBG_SHIM,("CL: hobs_remove idx %d \n", (int)(hob_p - mlnx_hob_array)));\r
204 }\r
205 \r
206 /////////////////////////////////////////////////////////\r
207 /////////////////////////////////////////////////////////\r
208 void\r
209 mthca_port_cap_to_ibal(\r
210         IN                              u32                     mthca_port_cap,\r
211                 OUT                     ib_port_cap_t                           *ibal_port_cap_p)\r
212 {\r
213 #define SET_CAP(flag,cap)       if (mthca_port_cap & flag) ibal_port_cap_p->cap = TRUE\r
214 \r
215         SET_CAP(IB_PORT_CM_SUP,cm);\r
216         SET_CAP(IB_PORT_SNMP_TUNNEL_SUP,snmp);\r
217         SET_CAP(IB_PORT_DEVICE_MGMT_SUP,dev_mgmt);\r
218         SET_CAP(IB_PORT_VENDOR_CLASS_SUP,vend);\r
219         SET_CAP(IB_PORT_SM_DISABLED,sm_disable);\r
220         SET_CAP(IB_PORT_SM,sm);\r
221         SET_CAP(IB_PORT_NOTICE_SUP,notice);\r
222         SET_CAP(IB_PORT_TRAP_SUP,trap);\r
223         SET_CAP(IB_PORT_AUTO_MIGR_SUP,apm);\r
224         SET_CAP(IB_PORT_SL_MAP_SUP,slmap);\r
225         SET_CAP(IB_PORT_LED_INFO_SUP,ledinfo);\r
226         SET_CAP(IB_PORT_CAP_MASK_NOTICE_SUP,capm_notice);\r
227         SET_CAP(IB_PORT_CLIENT_REG_SUP,client_reregister);\r
228         SET_CAP(IB_PORT_SYS_IMAGE_GUID_SUP,sysguid);\r
229         SET_CAP(IB_PORT_BOOT_MGMT_SUP,boot_mgmt);\r
230         SET_CAP(IB_PORT_DR_NOTICE_SUP,dr_notice);\r
231         SET_CAP(IB_PORT_PKEY_SW_EXT_PORT_TRAP_SUP,pkey_switch_ext_port);\r
232         SET_CAP(IB_PORT_LINK_LATENCY_SUP,link_rtl);\r
233         SET_CAP(IB_PORT_REINIT_SUP,reinit);\r
234         SET_CAP(IB_PORT_OPT_IPD_SUP,ipd);\r
235         SET_CAP(IB_PORT_MKEY_NVRAM,mkey_nvram);\r
236         SET_CAP(IB_PORT_PKEY_NVRAM,pkey_nvram);\r
237         // there no MTHCA flags for qkey_ctr, pkey_ctr, port_active, bm IBAL capabilities;\r
238 }\r
239 \r
240 \r
241 /////////////////////////////////////////////////////////\r
242 void\r
243 mlnx_conv_hca_cap(\r
244         IN                              struct ib_device *ib_dev,\r
245         IN                              struct ib_device_attr *hca_info_p,\r
246         IN                              struct ib_port_attr  *hca_ports,\r
247         OUT                     ib_ca_attr_t                            *ca_attr_p)\r
248 {\r
249         uint8_t                 port_num;\r
250         ib_port_attr_t  *ibal_port_p;\r
251         struct ib_port_attr  *mthca_port_p;\r
252 \r
253         ca_attr_p->vend_id  = hca_info_p->vendor_id;\r
254         ca_attr_p->dev_id   = (uint16_t)hca_info_p->vendor_part_id;\r
255         ca_attr_p->revision = (uint16_t)hca_info_p->hw_ver;\r
256         ca_attr_p->fw_ver = hca_info_p->fw_ver;\r
257         ca_attr_p->ca_guid   = *(UNALIGNED64 uint64_t *)&ib_dev->node_guid;\r
258         ca_attr_p->num_ports = ib_dev->phys_port_cnt;\r
259         ca_attr_p->max_qps   = hca_info_p->max_qp;\r
260         ca_attr_p->max_wrs   = hca_info_p->max_qp_wr;\r
261         ca_attr_p->max_sges   = hca_info_p->max_sge;\r
262         ca_attr_p->max_rd_sges = hca_info_p->max_sge_rd;\r
263         ca_attr_p->max_cqs    = hca_info_p->max_cq;\r
264         ca_attr_p->max_cqes  = hca_info_p->max_cqe;\r
265         ca_attr_p->max_pds    = hca_info_p->max_pd;\r
266         ca_attr_p->init_regions = hca_info_p->max_mr;\r
267         ca_attr_p->init_windows = hca_info_p->max_mw;\r
268         ca_attr_p->init_region_size = hca_info_p->max_mr_size;\r
269         ca_attr_p->max_addr_handles = hca_info_p->max_ah;\r
270         ca_attr_p->atomicity     = hca_info_p->atomic_cap;\r
271         ca_attr_p->max_partitions = hca_info_p->max_pkeys;\r
272         ca_attr_p->max_qp_resp_res =(uint8_t) hca_info_p->max_qp_rd_atom;\r
273         ca_attr_p->max_resp_res    = (uint8_t)hca_info_p->max_res_rd_atom;\r
274         ca_attr_p->max_qp_init_depth = (uint8_t)hca_info_p->max_qp_init_rd_atom;\r
275         ca_attr_p->max_ipv6_qps    = hca_info_p->max_raw_ipv6_qp;\r
276         ca_attr_p->max_ether_qps   = hca_info_p->max_raw_ethy_qp;\r
277         ca_attr_p->max_mcast_grps  = hca_info_p->max_mcast_grp;\r
278         ca_attr_p->max_mcast_qps   = hca_info_p->max_total_mcast_qp_attach;\r
279         ca_attr_p->max_qps_per_mcast_grp = hca_info_p->max_mcast_qp_attach;\r
280         ca_attr_p->max_fmr   = hca_info_p->max_fmr;\r
281         ca_attr_p->max_map_per_fmr   = hca_info_p->max_map_per_fmr;\r
282         ca_attr_p->max_srq = hca_info_p->max_srq;\r
283         ca_attr_p->max_srq_wrs = hca_info_p->max_srq_wr;\r
284         ca_attr_p->max_srq_sges = hca_info_p->max_srq_sge;\r
285 \r
286         ca_attr_p->local_ack_delay = hca_info_p->local_ca_ack_delay;\r
287         ca_attr_p->bad_pkey_ctr_support = hca_info_p->device_cap_flags & IB_DEVICE_BAD_PKEY_CNTR;\r
288         ca_attr_p->bad_qkey_ctr_support = hca_info_p->device_cap_flags & IB_DEVICE_BAD_QKEY_CNTR;\r
289         ca_attr_p->raw_mcast_support    = hca_info_p->device_cap_flags & IB_DEVICE_RAW_MULTI;\r
290         ca_attr_p->apm_support          = hca_info_p->device_cap_flags & IB_DEVICE_AUTO_PATH_MIG;\r
291         ca_attr_p->av_port_check        = hca_info_p->device_cap_flags & IB_DEVICE_UD_AV_PORT_ENFORCE;\r
292         ca_attr_p->change_primary_port  = hca_info_p->device_cap_flags & IB_DEVICE_CHANGE_PHY_PORT;\r
293         ca_attr_p->modify_wr_depth      = hca_info_p->device_cap_flags & IB_DEVICE_RESIZE_MAX_WR;\r
294         ca_attr_p->modify_srq_depth      = hca_info_p->device_cap_flags & IB_DEVICE_SRQ_RESIZE;\r
295         ca_attr_p->hw_agents            = FALSE; // in the context of IBAL then agent is implemented on the host\r
296 \r
297         ca_attr_p->num_page_sizes = 1;\r
298         ca_attr_p->p_page_size[0] = PAGE_SIZE; // TBD: extract an array of page sizes from HCA cap\r
299 \r
300         for (port_num = 0; port_num <= end_port(ib_dev) - start_port(ib_dev); ++port_num)\r
301         {\r
302                 // Setup port pointers\r
303                 ibal_port_p = &ca_attr_p->p_port_attr[port_num];\r
304                 mthca_port_p = &hca_ports[port_num];\r
305 \r
306                 // Port Cabapilities\r
307                 cl_memclr(&ibal_port_p->cap, sizeof(ib_port_cap_t));\r
308                 mthca_port_cap_to_ibal(mthca_port_p->port_cap_flags, &ibal_port_p->cap);\r
309 \r
310                 // Port Atributes\r
311                 ibal_port_p->port_num   = port_num + start_port(ib_dev);\r
312                 ibal_port_p->port_guid  = ibal_port_p->p_gid_table[0].unicast.interface_id;\r
313                 ibal_port_p->lid        = cl_ntoh16(mthca_port_p->lid);\r
314                 ibal_port_p->lmc        = mthca_port_p->lmc;\r
315                 ibal_port_p->max_vls    = mthca_port_p->max_vl_num;\r
316                 ibal_port_p->sm_lid     = cl_ntoh16(mthca_port_p->sm_lid);\r
317                 ibal_port_p->sm_sl      = mthca_port_p->sm_sl;\r
318                 ibal_port_p->link_state = (mthca_port_p->state != 0) ? (uint8_t)mthca_port_p->state : IB_LINK_DOWN;\r
319                 ibal_port_p->num_gids   = (uint16_t)mthca_port_p->gid_tbl_len;\r
320                 ibal_port_p->num_pkeys  = mthca_port_p->pkey_tbl_len;\r
321                 ibal_port_p->pkey_ctr   = (uint16_t)mthca_port_p->bad_pkey_cntr;\r
322                 ibal_port_p->qkey_ctr   = (uint16_t)mthca_port_p->qkey_viol_cntr;\r
323                 ibal_port_p->max_msg_size = mthca_port_p->max_msg_sz;\r
324                 ibal_port_p->mtu = (uint8_t)mthca_port_p->max_mtu;\r
325 \r
326                 ibal_port_p->subnet_timeout = mthca_port_p->subnet_timeout;\r
327                 // ibal_port_p->local_ack_timeout = 3; // TBD: currently ~32 usec\r
328                 HCA_PRINT(TRACE_LEVEL_VERBOSE, HCA_DBG_SHIM ,("Port %d port_guid 0x%I64x\n",\r
329                         ibal_port_p->port_num, cl_ntoh64(ibal_port_p->port_guid)));\r
330         }\r
331 }\r
332 \r
333 void cq_comp_handler(struct ib_cq *cq, void *context)\r
334 {\r
335         mlnx_hob_t *hob_p = (mlnx_hob_t *)context;\r
336         struct mthca_cq *mcq =(struct mthca_cq *)cq; \r
337         HCA_ENTER(HCA_DBG_CQ);\r
338         if (hob_p && hob_p->comp_cb_p) {\r
339                 HCA_PRINT(TRACE_LEVEL_INFORMATION ,HCA_DBG_CQ ,("Invoking completion callback\n"));\r
340                 (hob_p->comp_cb_p)(mcq->cq_context);\r
341         }\r
342         else {\r
343                 HCA_PRINT(TRACE_LEVEL_ERROR ,HCA_DBG_CQ ,("Incorrect context. Completion callback was not invoked\n"));\r
344         }\r
345         HCA_EXIT(HCA_DBG_CQ);\r
346 }\r
347 \r
348 void ca_event_handler(struct ib_event *ev, void *context)\r
349 {\r
350         mlnx_hob_t *hob_p = (mlnx_hob_t *)context;\r
351         ib_event_rec_t event_rec;\r
352 \r
353         // prepare parameters\r
354         event_rec.context = (void *)hob_p->ca_context;\r
355         event_rec.trap.info.port_num = ev->element.port_num;\r
356         event_rec.type = ev->event;\r
357         if (event_rec.type > IB_AE_UNKNOWN) {\r
358                 // CL_ASSERT(0); // This shouldn't happen\r
359                 HCA_PRINT(TRACE_LEVEL_ERROR,HCA_DBG_SHIM,("Unmapped E_EV_CA event of type 0x%x. Replaced by 0x%x (IB_AE_LOCAL_FATAL)\n", \r
360                         event_rec.type, IB_AE_LOCAL_FATAL));\r
361                 event_rec.type = IB_AE_LOCAL_FATAL;\r
362         }\r
363 \r
364         // call the user callback\r
365         if (hob_p && hob_p->async_cb_p)\r
366                 (hob_p->async_cb_p)(&event_rec);\r
367         else {\r
368                 HCA_PRINT(TRACE_LEVEL_ERROR ,HCA_DBG_SHIM ,("Incorrect context. Async callback was not invoked\n"));\r
369         }\r
370 }\r
371 \r
372 void srq_event_handler(struct ib_event *ev, void *context)\r
373 {\r
374         mlnx_hob_t *hob_p = (mlnx_hob_t *)context;\r
375         ib_event_rec_t event_rec;\r
376         struct mthca_srq *srq_p;\r
377 \r
378         // prepare parameters\r
379         event_rec.type = ev->event;\r
380         event_rec.vendor_specific = ev->vendor_specific;\r
381         srq_p = (struct mthca_srq *)ev->element.srq;\r
382         event_rec.context = srq_p->srq_context;\r
383 \r
384         // call the user callback\r
385         if (hob_p)\r
386                 (hob_p->async_cb_p)(&event_rec);\r
387         else {\r
388                 HCA_PRINT(TRACE_LEVEL_ERROR ,HCA_DBG_SHIM ,("Incorrect context. Async callback was not invoked\n"));\r
389         }\r
390 }\r
391 \r
392 \r
393 void qp_event_handler(struct ib_event *ev, void *context)\r
394 {\r
395         mlnx_hob_t *hob_p = (mlnx_hob_t *)context;\r
396         ib_event_rec_t event_rec;\r
397         struct mthca_qp *qp_p;\r
398 \r
399         // prepare parameters\r
400         event_rec.type = ev->event;\r
401         event_rec.vendor_specific = ev->vendor_specific;\r
402         qp_p = (struct mthca_qp *)ev->element.qp;\r
403         event_rec.context = qp_p->qp_context;\r
404 \r
405         // call the user callback\r
406         if (hob_p)\r
407                 (hob_p->async_cb_p)(&event_rec);\r
408         else {\r
409                 HCA_PRINT(TRACE_LEVEL_ERROR ,HCA_DBG_SHIM ,("Incorrect context. Async callback was not invoked\n"));\r
410         }\r
411 }\r
412 \r
413 void cq_event_handler(struct ib_event *ev, void *context)\r
414 {\r
415         mlnx_hob_t *hob_p = (mlnx_hob_t *)context;\r
416         ib_event_rec_t event_rec;\r
417         struct mthca_cq *cq_p;\r
418 \r
419         // prepare parameters\r
420         event_rec.type = ev->event;\r
421         cq_p = (struct mthca_cq *)ev->element.cq;\r
422         event_rec.context = cq_p->cq_context;\r
423 \r
424         // call the user callback\r
425         if (hob_p)\r
426                 (hob_p->async_cb_p)(&event_rec);\r
427         else {\r
428                 HCA_PRINT(TRACE_LEVEL_ERROR ,HCA_DBG_SHIM ,("Incorrect context. Async callback was not invoked\n"));\r
429         }\r
430 }\r
431 \r
432 ib_qp_state_t mlnx_qps_to_ibal(enum ib_qp_state qps)\r
433 {\r
434 #define MAP_QPS(val1,val2) case val1: ib_qps = val2; break\r
435         ib_qp_state_t ib_qps;\r
436         switch (qps) {\r
437                 MAP_QPS( IBQPS_RESET, IB_QPS_RESET );\r
438                 MAP_QPS( IBQPS_INIT, IB_QPS_INIT );\r
439                 MAP_QPS( IBQPS_RTR, IB_QPS_RTR );\r
440                 MAP_QPS( IBQPS_RTS, IB_QPS_RTS );\r
441                 MAP_QPS( IBQPS_SQD, IB_QPS_SQD );\r
442                 MAP_QPS( IBQPS_SQE, IB_QPS_SQERR );\r
443                 MAP_QPS( IBQPS_ERR, IB_QPS_ERROR );\r
444                 default:\r
445                         HCA_PRINT(TRACE_LEVEL_ERROR ,HCA_DBG_SHIM ,("Unmapped MTHCA qp_state %d\n", qps));\r
446                         ib_qps = 0xffffffff;\r
447         }\r
448         return ib_qps;\r
449 }\r
450 \r
451 enum ib_qp_state mlnx_qps_from_ibal(ib_qp_state_t ib_qps)\r
452 {\r
453 #define MAP_IBQPS(val1,val2) case val1: qps = val2; break\r
454         enum ib_qp_state qps;\r
455         switch (ib_qps) {\r
456                 MAP_IBQPS( IB_QPS_RESET, IBQPS_RESET );\r
457                 MAP_IBQPS( IB_QPS_INIT, IBQPS_INIT );\r
458                 MAP_IBQPS( IB_QPS_RTR, IBQPS_RTR );\r
459                 MAP_IBQPS( IB_QPS_RTS, IBQPS_RTS );\r
460                 MAP_IBQPS( IB_QPS_SQD, IBQPS_SQD );\r
461                 MAP_IBQPS( IB_QPS_SQD_DRAINING, IBQPS_SQD );\r
462                 MAP_IBQPS( IB_QPS_SQD_DRAINED, IBQPS_SQD );\r
463                 MAP_IBQPS( IB_QPS_SQERR, IBQPS_SQE );\r
464                 MAP_IBQPS( IB_QPS_ERROR, IBQPS_ERR );\r
465                 default:\r
466                         HCA_PRINT(TRACE_LEVEL_ERROR ,HCA_DBG_SHIM ,("Unmapped IBAL qp_state %d\n", ib_qps));\r
467                         qps = 0xffffffff;\r
468         }\r
469         return qps;\r
470 }\r
471 \r
472 ib_api_status_t\r
473 mlnx_conv_qp_modify_attr(\r
474         IN       const  struct ib_qp *ib_qp_p,\r
475         IN                              ib_qp_type_t    qp_type,\r
476         IN       const  ib_qp_mod_t *modify_attr_p,             \r
477         OUT     struct ib_qp_attr *qp_attr_p,\r
478         OUT     int *qp_attr_mask_p\r
479         )\r
480 {\r
481         int err;\r
482         ib_api_status_t         status = IB_SUCCESS;\r
483         struct mthca_qp *qp_p = (struct mthca_qp *)ib_qp_p;\r
484 \r
485         RtlZeroMemory( qp_attr_p, sizeof *qp_attr_p );\r
486         *qp_attr_mask_p = IB_QP_STATE;\r
487         qp_attr_p->qp_state = mlnx_qps_from_ibal( modify_attr_p->req_state ); \r
488 \r
489         // skipped cases\r
490         if (qp_p->state == IBQPS_RESET && modify_attr_p->req_state != IB_QPS_INIT)\r
491                 return IB_NOT_DONE;\r
492                 \r
493         switch (modify_attr_p->req_state) {\r
494         case IB_QPS_RESET:\r
495         case IB_QPS_ERROR:\r
496         case IB_QPS_SQERR:\r
497         case IB_QPS_TIME_WAIT:\r
498                 break;\r
499 \r
500         case IB_QPS_INIT:\r
501                 \r
502                 switch (qp_type) {\r
503                         case IB_QPT_RELIABLE_CONN:\r
504                         case IB_QPT_UNRELIABLE_CONN:\r
505                                 *qp_attr_mask_p |= IB_QP_PORT | IB_QP_PKEY_INDEX |IB_QP_ACCESS_FLAGS;\r
506                                 qp_attr_p->qp_access_flags = map_qp_ibal_acl(modify_attr_p->state.init.access_ctrl);\r
507                                 break;\r
508                         case IB_QPT_UNRELIABLE_DGRM:\r
509                         case IB_QPT_QP0:\r
510                         case IB_QPT_QP1:\r
511                         default:        \r
512                                 *qp_attr_mask_p |= IB_QP_PORT | IB_QP_QKEY | IB_QP_PKEY_INDEX ;\r
513                                 qp_attr_p->qkey          = cl_ntoh32 (modify_attr_p->state.init.qkey);\r
514                                 break;\r
515                 }                               \r
516                 \r
517                 // IB_QP_PORT\r
518                 qp_attr_p->port_num    = modify_attr_p->state.init.primary_port;\r
519 \r
520                 // IB_QP_PKEY_INDEX\r
521                 qp_attr_p->pkey_index = modify_attr_p->state.init.pkey_index;\r
522 \r
523                 break;\r
524                 \r
525         case IB_QPS_RTR:\r
526                 /* modifying the WQE depth is not supported */\r
527                 if( modify_attr_p->state.rtr.opts & IB_MOD_QP_SQ_DEPTH ||\r
528                         modify_attr_p->state.rtr.opts & IB_MOD_QP_RQ_DEPTH )    {\r
529                         status = IB_UNSUPPORTED;\r
530                         break;\r
531                 }\r
532 \r
533                 switch (qp_type) {\r
534                         case IB_QPT_RELIABLE_CONN:\r
535                                 *qp_attr_mask_p |= /* required flags */\r
536                                         IB_QP_DEST_QPN |IB_QP_RQ_PSN | IB_QP_MAX_DEST_RD_ATOMIC |\r
537                                         IB_QP_AV |IB_QP_PATH_MTU | IB_QP_MIN_RNR_TIMER;\r
538 \r
539                                 // IB_QP_DEST_QPN\r
540                                 qp_attr_p->dest_qp_num          = cl_ntoh32 (modify_attr_p->state.rtr.dest_qp);\r
541 \r
542                                 // IB_QP_RQ_PSN\r
543                                 qp_attr_p->rq_psn                               = cl_ntoh32 (modify_attr_p->state.rtr.rq_psn);\r
544                                 \r
545                                 // IB_QP_MAX_DEST_RD_ATOMIC\r
546                                 qp_attr_p->max_dest_rd_atomic   = modify_attr_p->state.rtr.resp_res;\r
547 \r
548                                 // IB_QP_AV, IB_QP_PATH_MTU: Convert primary RC AV (mandatory)\r
549                                 err = mlnx_conv_ibal_av(ib_qp_p->device,\r
550                                         &modify_attr_p->state.rtr.primary_av, &qp_attr_p->ah_attr);\r
551                                 if (err) {\r
552                                         status = IB_ERROR;\r
553                                         break;\r
554                                 }\r
555                                 qp_attr_p->path_mtu             = modify_attr_p->state.rtr.primary_av.conn.path_mtu; // MTU\r
556                                 qp_attr_p->timeout              = modify_attr_p->state.rtr.primary_av.conn.local_ack_timeout; // MTU\r
557                                 qp_attr_p->retry_cnt            = modify_attr_p->state.rtr.primary_av.conn.seq_err_retry_cnt; // MTU\r
558                                 qp_attr_p->rnr_retry            = modify_attr_p->state.rtr.primary_av.conn.rnr_retry_cnt; // MTU\r
559 \r
560                                 // IB_QP_MIN_RNR_TIMER, required in RTR, optional in RTS.\r
561                                 qp_attr_p->min_rnr_timer         = modify_attr_p->state.rtr.rnr_nak_timeout;\r
562 \r
563                                 // IB_QP_ACCESS_FLAGS: Convert Remote Atomic Flags\r
564                                 if (modify_attr_p->state.rtr.opts & IB_MOD_QP_ACCESS_CTRL) {\r
565                                         *qp_attr_mask_p |= IB_QP_ACCESS_FLAGS;          /* optional flag */\r
566                                         qp_attr_p->qp_access_flags = map_qp_ibal_acl(modify_attr_p->state.rtr.access_ctrl);\r
567                                 }\r
568 \r
569                                 // IB_QP_ALT_PATH: Convert alternate RC AV\r
570                                 if (modify_attr_p->state.rtr.opts & IB_MOD_QP_ALTERNATE_AV) {\r
571                                         *qp_attr_mask_p |= IB_QP_ALT_PATH;      /* required flag */\r
572                                         err = mlnx_conv_ibal_av(ib_qp_p->device,\r
573                                                 &modify_attr_p->state.rtr.alternate_av, &qp_attr_p->alt_ah_attr);\r
574                                         if (err) {\r
575                                                 status = IB_ERROR;\r
576                                                 break;\r
577                                         }\r
578                                         qp_attr_p->alt_timeout           = modify_attr_p->state.rtr.alternate_av.conn.local_ack_timeout; // XXX: conv\r
579                                 }\r
580 \r
581                                 // IB_QP_PKEY_INDEX \r
582                                 if (modify_attr_p->state.rtr.opts & IB_MOD_QP_PKEY) {\r
583                                         *qp_attr_mask_p |= IB_QP_PKEY_INDEX;    \r
584                                         qp_attr_p->pkey_index = modify_attr_p->state.rtr.pkey_index;\r
585                                 }\r
586                                 break;\r
587                                 \r
588                         case IB_QPT_UNRELIABLE_CONN:\r
589                                 *qp_attr_mask_p |= /* required flags */\r
590                                         IB_QP_DEST_QPN |IB_QP_RQ_PSN | IB_QP_AV | IB_QP_PATH_MTU;\r
591 \r
592                                 // IB_QP_DEST_QPN\r
593                                 qp_attr_p->dest_qp_num          = cl_ntoh32 (modify_attr_p->state.rtr.dest_qp);\r
594 \r
595                                 // IB_QP_RQ_PSN\r
596                                 qp_attr_p->rq_psn                               = cl_ntoh32 (modify_attr_p->state.rtr.rq_psn);\r
597 \r
598                                 // IB_QP_PATH_MTU\r
599                                 qp_attr_p->path_mtu             = modify_attr_p->state.rtr.primary_av.conn.path_mtu;\r
600 \r
601                                 // IB_QP_AV: Convert primary AV (mandatory)\r
602                                 err = mlnx_conv_ibal_av(ib_qp_p->device,\r
603                                         &modify_attr_p->state.rtr.primary_av, &qp_attr_p->ah_attr);\r
604                                 if (err) {\r
605                                         status = IB_ERROR;\r
606                                         break;\r
607                                 }\r
608 \r
609                                 // IB_QP_ACCESS_FLAGS: Convert Remote Atomic Flags\r
610                                 if (modify_attr_p->state.rtr.opts & IB_MOD_QP_ACCESS_CTRL) {\r
611                                         *qp_attr_mask_p |= IB_QP_ACCESS_FLAGS;          /* optional flag */\r
612                                         qp_attr_p->qp_access_flags = map_qp_ibal_acl(modify_attr_p->state.rtr.access_ctrl);\r
613                                 }\r
614 \r
615                                 // IB_QP_ALT_PATH: Convert alternate RC AV\r
616                                 if (modify_attr_p->state.rtr.opts & IB_MOD_QP_ALTERNATE_AV) {\r
617                                         *qp_attr_mask_p |= IB_QP_ALT_PATH;      /* required flag */\r
618                                         err = mlnx_conv_ibal_av(ib_qp_p->device,\r
619                                                 &modify_attr_p->state.rtr.alternate_av, &qp_attr_p->alt_ah_attr);\r
620                                         if (err) {\r
621                                                 status = IB_ERROR;\r
622                                                 break;\r
623                                         }\r
624                                 }\r
625 \r
626                                 // IB_QP_PKEY_INDEX \r
627                                 if (modify_attr_p->state.rtr.opts & IB_MOD_QP_PKEY) {\r
628                                         *qp_attr_mask_p |= IB_QP_PKEY_INDEX;    \r
629                                         qp_attr_p->pkey_index = modify_attr_p->state.rtr.pkey_index;\r
630                                 }\r
631                                 break;\r
632                                         \r
633                         case IB_QPT_UNRELIABLE_DGRM:\r
634                         case IB_QPT_QP0:\r
635                         case IB_QPT_QP1:\r
636                         default:        \r
637                                 // IB_QP_PKEY_INDEX \r
638                                 if (modify_attr_p->state.rtr.opts & IB_MOD_QP_PKEY) {\r
639                                         *qp_attr_mask_p |= IB_QP_PKEY_INDEX;    \r
640                                         qp_attr_p->pkey_index = modify_attr_p->state.rtr.pkey_index;\r
641                                 }\r
642 \r
643                                 // IB_QP_QKEY\r
644                                 if (modify_attr_p->state.rtr.opts & IB_MOD_QP_QKEY) {\r
645                                         *qp_attr_mask_p |= IB_QP_QKEY;  \r
646                                         qp_attr_p->qkey          = cl_ntoh32 (modify_attr_p->state.rtr.qkey);\r
647                                 }\r
648                                 break;\r
649                                 \r
650                 }\r
651                 break;\r
652                 \r
653         case IB_QPS_RTS:\r
654                 /* modifying the WQE depth is not supported */\r
655                 if( modify_attr_p->state.rts.opts & IB_MOD_QP_SQ_DEPTH ||\r
656                         modify_attr_p->state.rts.opts & IB_MOD_QP_RQ_DEPTH )\r
657                 {\r
658                         status = IB_UNSUPPORTED;\r
659                         break;\r
660                 }\r
661 \r
662                 switch (qp_type) {\r
663                         case IB_QPT_RELIABLE_CONN:\r
664                                 if (qp_p->state != IBQPS_RTS)\r
665                                         *qp_attr_mask_p |= /* required flags */\r
666                                                 IB_QP_SQ_PSN |IB_QP_MAX_QP_RD_ATOMIC | IB_QP_TIMEOUT |\r
667                                                 IB_QP_RETRY_CNT |IB_QP_RNR_RETRY;\r
668 \r
669                                 // IB_QP_MAX_QP_RD_ATOMIC\r
670                                 qp_attr_p->max_rd_atomic        = modify_attr_p->state.rts.init_depth;\r
671 \r
672                                 // IB_QP_TIMEOUT\r
673                                 qp_attr_p->timeout               = modify_attr_p->state.rts.local_ack_timeout; // XXX: conv\r
674                                 \r
675                                 // IB_QP_RETRY_CNT\r
676                                 qp_attr_p->retry_cnt = modify_attr_p->state.rts.retry_cnt;\r
677                                 \r
678                                 // IB_QP_RNR_RETRY\r
679                                 qp_attr_p->rnr_retry     = modify_attr_p->state.rts.rnr_retry_cnt;\r
680 \r
681                                 // IB_QP_MAX_DEST_RD_ATOMIC: Update the responder resources for RDMA/ATOMIC (optional for SQD->RTS)\r
682                                 if (modify_attr_p->state.rts.opts & IB_MOD_QP_RESP_RES) {\r
683                                         *qp_attr_mask_p |= IB_QP_MAX_DEST_RD_ATOMIC;    \r
684                                         qp_attr_p->max_dest_rd_atomic = modify_attr_p->state.rts.resp_res;\r
685                                 }\r
686 \r
687 #ifdef WIN_TO_BE_REMOVED\r
688                 //TODO: do we need that ?\r
689                 // Linux patch 4793: PKEY_INDEX is not a legal parameter in the RTR->RTS transition.\r
690 \r
691                                 // IB_QP_PKEY_INDEX \r
692                                 if (modify_attr_p->state.rts.opts & IB_MOD_QP_PKEY) {\r
693                                         *qp_attr_mask_p |= IB_QP_PKEY_INDEX;    \r
694                                         qp_attr_p->pkey_index = modify_attr_p->state.rts.pkey_index;\r
695                                 }\r
696 #endif                          \r
697 \r
698                                 // IB_QP_MIN_RNR_TIMER\r
699                                 if (modify_attr_p->state.rts.opts & IB_MOD_QP_RNR_NAK_TIMEOUT) {\r
700                                         *qp_attr_mask_p |= IB_QP_MIN_RNR_TIMER; \r
701                                         qp_attr_p->min_rnr_timer         = modify_attr_p->state.rts.rnr_nak_timeout;\r
702                                 }\r
703 \r
704                                 // IB_QP_PATH_MIG_STATE\r
705                                 if (modify_attr_p->state.rts.opts & IB_MOD_QP_APM_STATE) {\r
706                                         *qp_attr_mask_p |= IB_QP_PATH_MIG_STATE;        \r
707                                         qp_attr_p->path_mig_state =  modify_attr_p->state.rts.apm_state;\r
708                                 }\r
709 \r
710                                 // IB_QP_ACCESS_FLAGS\r
711                                 if (modify_attr_p->state.rts.opts & IB_MOD_QP_ACCESS_CTRL) {\r
712                                         *qp_attr_mask_p |= IB_QP_ACCESS_FLAGS;          /* optional flags */\r
713                                         qp_attr_p->qp_access_flags = map_qp_ibal_acl(modify_attr_p->state.rts.access_ctrl);\r
714                                 }\r
715 \r
716                                 // IB_QP_ALT_PATH: Convert alternate RC AV\r
717                                 if (modify_attr_p->state.rts.opts & IB_MOD_QP_ALTERNATE_AV) {\r
718                                         *qp_attr_mask_p |= IB_QP_ALT_PATH;      /* optional flag */\r
719                                         err = mlnx_conv_ibal_av(ib_qp_p->device,\r
720                                                 &modify_attr_p->state.rts.alternate_av, &qp_attr_p->alt_ah_attr);\r
721                                         if (err) {\r
722                                                 status = IB_ERROR;\r
723                                                 break;\r
724                                         }\r
725                                         qp_attr_p->alt_timeout           = modify_attr_p->state.rts.alternate_av.conn.local_ack_timeout; // XXX: conv\r
726                                 }\r
727                                 break;\r
728                                 \r
729                         case IB_QPT_UNRELIABLE_CONN:\r
730                                 if (qp_p->state != IBQPS_RTS)\r
731                                         *qp_attr_mask_p |= /* required flags */\r
732                                                 IB_QP_SQ_PSN;\r
733 \r
734                                 // IB_QP_MAX_DEST_RD_ATOMIC: Update the responder resources for RDMA/ATOMIC (optional for SQD->RTS)\r
735                                 if (modify_attr_p->state.rts.opts & IB_MOD_QP_RESP_RES) {\r
736                                         *qp_attr_mask_p |= IB_QP_MAX_DEST_RD_ATOMIC;    \r
737                                         qp_attr_p->max_dest_rd_atomic = modify_attr_p->state.rts.resp_res;\r
738                                 }\r
739 \r
740 #ifdef WIN_TO_BE_REMOVED\r
741                 //TODO: do we need that ?\r
742                 // Linux patch 4793: PKEY_INDEX is not a legal parameter in the RTR->RTS transition.\r
743 \r
744                                 // IB_QP_PKEY_INDEX \r
745                                 if (modify_attr_p->state.rts.opts & IB_MOD_QP_PKEY) {\r
746                                         *qp_attr_mask_p |= IB_QP_PKEY_INDEX;    \r
747                                         qp_attr_p->pkey_index = modify_attr_p->state.rts.pkey_index;\r
748                                 }\r
749 #endif                          \r
750 \r
751                                 // IB_QP_PATH_MIG_STATE\r
752                                 if (modify_attr_p->state.rts.opts & IB_MOD_QP_APM_STATE) {\r
753                                         *qp_attr_mask_p |= IB_QP_PATH_MIG_STATE;        \r
754                                         qp_attr_p->path_mig_state =  modify_attr_p->state.rts.apm_state;\r
755                                 }\r
756 \r
757                                 // IB_QP_ACCESS_FLAGS\r
758                                 if (modify_attr_p->state.rts.opts & IB_MOD_QP_ACCESS_CTRL) {\r
759                                         *qp_attr_mask_p |= IB_QP_ACCESS_FLAGS;          /* optional flags */\r
760                                         qp_attr_p->qp_access_flags = map_qp_ibal_acl(modify_attr_p->state.rts.access_ctrl);\r
761                                 }\r
762 \r
763                                 // IB_QP_ALT_PATH: Convert alternate RC AV\r
764                                 if (modify_attr_p->state.rts.opts & IB_MOD_QP_ALTERNATE_AV) {\r
765                                         *qp_attr_mask_p |= IB_QP_ALT_PATH;      /* optional flag */\r
766                                         err = mlnx_conv_ibal_av(ib_qp_p->device,\r
767                                                 &modify_attr_p->state.rts.alternate_av, &qp_attr_p->alt_ah_attr);\r
768                                         if (err) {\r
769                                                 status = IB_ERROR;\r
770                                                 break;\r
771                                         }\r
772                                 }\r
773                                 break;\r
774                                         \r
775                         case IB_QPT_UNRELIABLE_DGRM:\r
776                         case IB_QPT_QP0:\r
777                         case IB_QPT_QP1:\r
778                         default:        \r
779                                 if (qp_p->state != IBQPS_RTS)\r
780                                         *qp_attr_mask_p |= /* required flags */\r
781                                                 IB_QP_SQ_PSN;\r
782 \r
783                                 // IB_QP_QKEY\r
784                                 if (modify_attr_p->state.rts.opts & IB_MOD_QP_QKEY) {\r
785                                         *qp_attr_mask_p |= IB_QP_QKEY;  \r
786                                         qp_attr_p->qkey          = cl_ntoh32 (modify_attr_p->state.rts.qkey);\r
787                                 }\r
788                                 break;\r
789                                 \r
790                                 break;\r
791                                 \r
792                 }\r
793 \r
794                 // IB_QP_SQ_PSN: common for all\r
795                 qp_attr_p->sq_psn = cl_ntoh32 (modify_attr_p->state.rts.sq_psn);\r
796                 //NB: IB_QP_CUR_STATE flag is not provisioned by IBAL\r
797                 break;\r
798                 \r
799         case IB_QPS_SQD:\r
800         case IB_QPS_SQD_DRAINING:\r
801         case IB_QPS_SQD_DRAINED:\r
802                 *qp_attr_mask_p |= IB_QP_EN_SQD_ASYNC_NOTIFY;\r
803                 qp_attr_p->en_sqd_async_notify = (u8)modify_attr_p->state.sqd.sqd_event;\r
804                 HCA_PRINT(TRACE_LEVEL_WARNING ,HCA_DBG_SHIM ,("IB_QP_EN_SQD_ASYNC_NOTIFY seems like unsupported\n"));\r
805                 break;\r
806                 \r
807         default:        \r
808                 //NB: is this an error case and we need this message  ? What about returning an error ?\r
809                 HCA_PRINT(TRACE_LEVEL_ERROR ,HCA_DBG_SHIM ,("Unmapped qp_state %d\n", modify_attr_p->req_state));\r
810                 break;\r
811                 \r
812         }\r
813 \r
814         return status;\r
815 }       \r
816 \r
817 int\r
818 mlnx_conv_ibal_av(\r
819         IN              const   struct ib_device *ib_dev_p,\r
820         IN              const   ib_av_attr_t                            *ibal_av_p,\r
821         OUT                     struct ib_ah_attr       *ah_attr_p)\r
822 {\r
823         int err = 0;\r
824         u8 port_num;\r
825         u16 gid_index;\r
826         \r
827         ah_attr_p->port_num = ibal_av_p->port_num;\r
828         ah_attr_p->sl   = ibal_av_p->sl;\r
829         ah_attr_p->dlid = cl_ntoh16(ibal_av_p->dlid);\r
830         //TODO: how static_rate is coded ?\r
831         ah_attr_p->static_rate   =\r
832                 (ibal_av_p->static_rate == IB_PATH_RECORD_RATE_10_GBS ? 0 : 3);\r
833         ah_attr_p->src_path_bits = ibal_av_p->path_bits; // PATH:\r
834 \r
835         /* For global destination or Multicast address:*/\r
836         if (ibal_av_p->grh_valid)\r
837         {\r
838                 ah_attr_p->ah_flags |= IB_AH_GRH;\r
839                 ah_attr_p->grh.hop_limit     = ibal_av_p->grh.hop_limit;\r
840                 ib_grh_get_ver_class_flow( ibal_av_p->grh.ver_class_flow, NULL,\r
841                         &ah_attr_p->grh.traffic_class, &ah_attr_p->grh.flow_label );\r
842                 err = ib_find_cached_gid((struct ib_device *)ib_dev_p, \r
843                         (union ib_gid   *)ibal_av_p->grh.src_gid.raw, &port_num, &gid_index);\r
844                 if (err) {\r\r
845                         HCA_PRINT(TRACE_LEVEL_ERROR ,HCA_DBG_SHIM ,("ib_find_cached_gid failed %d (%#x). Using default:  sgid_index = 0\n", err, err));\r
846                         gid_index = 0;\r
847                 }\r
848                 else if (port_num != ah_attr_p->port_num) {\r
849                         HCA_PRINT(TRACE_LEVEL_ERROR ,HCA_DBG_SHIM ,("ib_find_cached_gid returned wrong port_num %u (Expected - %u). Using the expected.\n", \r
850                                 (u32)port_num, (u32)ah_attr_p->port_num));\r
851                 }\r
852                 ah_attr_p->grh.sgid_index = (u8)gid_index;\r
853                 RtlCopyMemory(ah_attr_p->grh.dgid.raw, ibal_av_p->grh.dest_gid.raw, sizeof(ah_attr_p->grh.dgid));\r
854         }\r
855 \r
856         return err;\r
857 }\r
858 \r
859 int\r
860 mlnx_conv_mthca_av(\r
861         IN              const   struct ib_ah *ib_ah_p,\r
862         OUT                     ib_av_attr_t                            *ibal_av_p)\r
863 {\r
864         int err = 0;\r
865         struct ib_ud_header header;\r
866         struct mthca_ah *ah_p = (struct mthca_ah *)ib_ah_p;\r
867         struct ib_device *ib_dev_p = ib_ah_p->pd->device;\r
868         struct mthca_dev *dev_p = (struct mthca_dev *)ib_dev_p;\r
869 \r
870         err = mthca_read_ah( dev_p, ah_p, &header);\r
871         if (err)\r
872                 goto err_read_ah;\r
873 \r
874         // common part\r
875         ibal_av_p->sl                   = header.lrh.service_level;\r
876         mthca_get_av_params(ah_p, &ibal_av_p->port_num,\r
877                 &ibal_av_p->dlid, &ibal_av_p->static_rate, &ibal_av_p->path_bits );\r
878 \r
879         // GRH\r
880         ibal_av_p->grh_valid = header.grh_present;\r
881         if (ibal_av_p->grh_valid) {\r
882                 ibal_av_p->grh.ver_class_flow = ib_grh_set_ver_class_flow(\r
883                         header.grh.ip_version, header.grh.traffic_class, header.grh.flow_label );\r
884                 ibal_av_p->grh.hop_limit = header.grh.hop_limit;\r
885                 RtlCopyMemory(ibal_av_p->grh.src_gid.raw, \r
886                         header.grh.source_gid.raw, sizeof(ibal_av_p->grh.src_gid));\r
887                 RtlCopyMemory(ibal_av_p->grh.src_gid.raw, \r
888                         header.grh.destination_gid.raw, sizeof(ibal_av_p->grh.dest_gid));\r
889         }\r
890 \r
891         //TODO: don't know, how to fill conn. Note, that previous version didn't fill it also.\r
892 \r
893 err_read_ah:\r
894                 return err;\r
895 }\r
896 \r
897 void\r
898 mlnx_modify_ah(\r
899         IN              const   struct ib_ah *ib_ah_p,\r
900         IN      const   struct ib_ah_attr *ah_attr_p)\r
901 {\r
902         struct ib_device *ib_dev_p = ib_ah_p->pd->device;\r
903         struct mthca_dev *dev_p = (struct mthca_dev *)ib_dev_p;\r
904         \r
905         mthca_set_av_params(dev_p, (struct mthca_ah *)ib_ah_p, (struct ib_ah_attr *)ah_attr_p );\r
906 }\r
907 \r