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f94b533d TT |
1 | /* |
2 | * Copyright (c) 2005 Ammasso, Inc. All rights reserved. | |
3 | * Copyright (c) 2005 Open Grid Computing, Inc. 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 | ||
35 | ||
36 | #include <linux/module.h> | |
37 | #include <linux/moduleparam.h> | |
38 | #include <linux/pci.h> | |
39 | #include <linux/netdevice.h> | |
40 | #include <linux/etherdevice.h> | |
41 | #include <linux/delay.h> | |
42 | #include <linux/ethtool.h> | |
43 | #include <linux/mii.h> | |
44 | #include <linux/if_vlan.h> | |
45 | #include <linux/crc32.h> | |
46 | #include <linux/in.h> | |
47 | #include <linux/ip.h> | |
48 | #include <linux/tcp.h> | |
49 | #include <linux/init.h> | |
50 | #include <linux/dma-mapping.h> | |
51 | #include <linux/mm.h> | |
52 | #include <linux/inet.h> | |
d7b20045 | 53 | #include <linux/vmalloc.h> |
5a0e3ad6 | 54 | #include <linux/slab.h> |
f94b533d TT |
55 | |
56 | #include <linux/route.h> | |
57 | ||
58 | #include <asm/io.h> | |
59 | #include <asm/irq.h> | |
60 | #include <asm/byteorder.h> | |
61 | #include <rdma/ib_smi.h> | |
62 | #include "c2.h" | |
63 | #include "c2_vq.h" | |
64 | ||
65 | /* Device capabilities */ | |
66 | #define C2_MIN_PAGESIZE 1024 | |
67 | ||
68 | #define C2_MAX_MRS 32768 | |
69 | #define C2_MAX_QPS 16000 | |
70 | #define C2_MAX_WQE_SZ 256 | |
71 | #define C2_MAX_QP_WR ((128*1024)/C2_MAX_WQE_SZ) | |
72 | #define C2_MAX_SGES 4 | |
73 | #define C2_MAX_SGE_RD 1 | |
74 | #define C2_MAX_CQS 32768 | |
75 | #define C2_MAX_CQES 4096 | |
76 | #define C2_MAX_PDS 16384 | |
77 | ||
78 | /* | |
79 | * Send the adapter INIT message to the amso1100 | |
80 | */ | |
81 | static int c2_adapter_init(struct c2_dev *c2dev) | |
82 | { | |
83 | struct c2wr_init_req wr; | |
f94b533d TT |
84 | |
85 | memset(&wr, 0, sizeof(wr)); | |
86 | c2_wr_set_id(&wr, CCWR_INIT); | |
87 | wr.hdr.context = 0; | |
88 | wr.hint_count = cpu_to_be64(c2dev->hint_count_dma); | |
89 | wr.q0_host_shared = cpu_to_be64(c2dev->req_vq.shared_dma); | |
90 | wr.q1_host_shared = cpu_to_be64(c2dev->rep_vq.shared_dma); | |
91 | wr.q1_host_msg_pool = cpu_to_be64(c2dev->rep_vq.host_dma); | |
92 | wr.q2_host_shared = cpu_to_be64(c2dev->aeq.shared_dma); | |
93 | wr.q2_host_msg_pool = cpu_to_be64(c2dev->aeq.host_dma); | |
94 | ||
95 | /* Post the init message */ | |
bccb763d | 96 | return vq_send_wr(c2dev, (union c2wr *) & wr); |
f94b533d TT |
97 | } |
98 | ||
99 | /* | |
100 | * Send the adapter TERM message to the amso1100 | |
101 | */ | |
102 | static void c2_adapter_term(struct c2_dev *c2dev) | |
103 | { | |
104 | struct c2wr_init_req wr; | |
105 | ||
106 | memset(&wr, 0, sizeof(wr)); | |
107 | c2_wr_set_id(&wr, CCWR_TERM); | |
108 | wr.hdr.context = 0; | |
109 | ||
110 | /* Post the init message */ | |
111 | vq_send_wr(c2dev, (union c2wr *) & wr); | |
112 | c2dev->init = 0; | |
113 | ||
114 | return; | |
115 | } | |
116 | ||
117 | /* | |
118 | * Query the adapter | |
119 | */ | |
120 | static int c2_rnic_query(struct c2_dev *c2dev, struct ib_device_attr *props) | |
121 | { | |
122 | struct c2_vq_req *vq_req; | |
123 | struct c2wr_rnic_query_req wr; | |
124 | struct c2wr_rnic_query_rep *reply; | |
125 | int err; | |
126 | ||
127 | vq_req = vq_req_alloc(c2dev); | |
128 | if (!vq_req) | |
129 | return -ENOMEM; | |
130 | ||
131 | c2_wr_set_id(&wr, CCWR_RNIC_QUERY); | |
132 | wr.hdr.context = (unsigned long) vq_req; | |
133 | wr.rnic_handle = c2dev->adapter_handle; | |
134 | ||
135 | vq_req_get(c2dev, vq_req); | |
136 | ||
137 | err = vq_send_wr(c2dev, (union c2wr *) &wr); | |
138 | if (err) { | |
139 | vq_req_put(c2dev, vq_req); | |
140 | goto bail1; | |
141 | } | |
142 | ||
143 | err = vq_wait_for_reply(c2dev, vq_req); | |
144 | if (err) | |
145 | goto bail1; | |
146 | ||
147 | reply = | |
148 | (struct c2wr_rnic_query_rep *) (unsigned long) (vq_req->reply_msg); | |
149 | if (!reply) | |
150 | err = -ENOMEM; | |
fb7711e7 AB |
151 | else |
152 | err = c2_errno(reply); | |
f94b533d TT |
153 | if (err) |
154 | goto bail2; | |
155 | ||
156 | props->fw_ver = | |
157 | ((u64)be32_to_cpu(reply->fw_ver_major) << 32) | | |
b26c791e JD |
158 | ((be32_to_cpu(reply->fw_ver_minor) & 0xFFFF) << 16) | |
159 | (be32_to_cpu(reply->fw_ver_patch) & 0xFFFF); | |
f94b533d TT |
160 | memcpy(&props->sys_image_guid, c2dev->netdev->dev_addr, 6); |
161 | props->max_mr_size = 0xFFFFFFFF; | |
162 | props->page_size_cap = ~(C2_MIN_PAGESIZE-1); | |
163 | props->vendor_id = be32_to_cpu(reply->vendor_id); | |
164 | props->vendor_part_id = be32_to_cpu(reply->part_number); | |
165 | props->hw_ver = be32_to_cpu(reply->hw_version); | |
166 | props->max_qp = be32_to_cpu(reply->max_qps); | |
167 | props->max_qp_wr = be32_to_cpu(reply->max_qp_depth); | |
168 | props->device_cap_flags = c2dev->device_cap_flags; | |
169 | props->max_sge = C2_MAX_SGES; | |
170 | props->max_sge_rd = C2_MAX_SGE_RD; | |
171 | props->max_cq = be32_to_cpu(reply->max_cqs); | |
172 | props->max_cqe = be32_to_cpu(reply->max_cq_depth); | |
173 | props->max_mr = be32_to_cpu(reply->max_mrs); | |
174 | props->max_pd = be32_to_cpu(reply->max_pds); | |
175 | props->max_qp_rd_atom = be32_to_cpu(reply->max_qp_ird); | |
176 | props->max_ee_rd_atom = 0; | |
177 | props->max_res_rd_atom = be32_to_cpu(reply->max_global_ird); | |
178 | props->max_qp_init_rd_atom = be32_to_cpu(reply->max_qp_ord); | |
179 | props->max_ee_init_rd_atom = 0; | |
180 | props->atomic_cap = IB_ATOMIC_NONE; | |
181 | props->max_ee = 0; | |
182 | props->max_rdd = 0; | |
183 | props->max_mw = be32_to_cpu(reply->max_mws); | |
184 | props->max_raw_ipv6_qp = 0; | |
185 | props->max_raw_ethy_qp = 0; | |
186 | props->max_mcast_grp = 0; | |
187 | props->max_mcast_qp_attach = 0; | |
188 | props->max_total_mcast_qp_attach = 0; | |
189 | props->max_ah = 0; | |
190 | props->max_fmr = 0; | |
191 | props->max_map_per_fmr = 0; | |
192 | props->max_srq = 0; | |
193 | props->max_srq_wr = 0; | |
194 | props->max_srq_sge = 0; | |
195 | props->max_pkeys = 0; | |
196 | props->local_ca_ack_delay = 0; | |
197 | ||
198 | bail2: | |
199 | vq_repbuf_free(c2dev, reply); | |
200 | ||
201 | bail1: | |
202 | vq_req_free(c2dev, vq_req); | |
203 | return err; | |
204 | } | |
205 | ||
206 | /* | |
207 | * Add an IP address to the RNIC interface | |
208 | */ | |
dc544bc9 | 209 | int c2_add_addr(struct c2_dev *c2dev, __be32 inaddr, __be32 inmask) |
f94b533d TT |
210 | { |
211 | struct c2_vq_req *vq_req; | |
212 | struct c2wr_rnic_setconfig_req *wr; | |
213 | struct c2wr_rnic_setconfig_rep *reply; | |
214 | struct c2_netaddr netaddr; | |
215 | int err, len; | |
216 | ||
217 | vq_req = vq_req_alloc(c2dev); | |
218 | if (!vq_req) | |
219 | return -ENOMEM; | |
220 | ||
221 | len = sizeof(struct c2_netaddr); | |
222 | wr = kmalloc(c2dev->req_vq.msg_size, GFP_KERNEL); | |
223 | if (!wr) { | |
224 | err = -ENOMEM; | |
225 | goto bail0; | |
226 | } | |
227 | ||
228 | c2_wr_set_id(wr, CCWR_RNIC_SETCONFIG); | |
229 | wr->hdr.context = (unsigned long) vq_req; | |
230 | wr->rnic_handle = c2dev->adapter_handle; | |
231 | wr->option = cpu_to_be32(C2_CFG_ADD_ADDR); | |
232 | ||
233 | netaddr.ip_addr = inaddr; | |
234 | netaddr.netmask = inmask; | |
235 | netaddr.mtu = 0; | |
236 | ||
237 | memcpy(wr->data, &netaddr, len); | |
238 | ||
239 | vq_req_get(c2dev, vq_req); | |
240 | ||
241 | err = vq_send_wr(c2dev, (union c2wr *) wr); | |
242 | if (err) { | |
243 | vq_req_put(c2dev, vq_req); | |
244 | goto bail1; | |
245 | } | |
246 | ||
247 | err = vq_wait_for_reply(c2dev, vq_req); | |
248 | if (err) | |
249 | goto bail1; | |
250 | ||
251 | reply = | |
252 | (struct c2wr_rnic_setconfig_rep *) (unsigned long) (vq_req->reply_msg); | |
253 | if (!reply) { | |
254 | err = -ENOMEM; | |
255 | goto bail1; | |
256 | } | |
257 | ||
258 | err = c2_errno(reply); | |
259 | vq_repbuf_free(c2dev, reply); | |
260 | ||
f34b77ec | 261 | bail1: |
f94b533d | 262 | kfree(wr); |
f34b77ec | 263 | bail0: |
f94b533d TT |
264 | vq_req_free(c2dev, vq_req); |
265 | return err; | |
266 | } | |
267 | ||
268 | /* | |
269 | * Delete an IP address from the RNIC interface | |
270 | */ | |
dc544bc9 | 271 | int c2_del_addr(struct c2_dev *c2dev, __be32 inaddr, __be32 inmask) |
f94b533d TT |
272 | { |
273 | struct c2_vq_req *vq_req; | |
274 | struct c2wr_rnic_setconfig_req *wr; | |
275 | struct c2wr_rnic_setconfig_rep *reply; | |
276 | struct c2_netaddr netaddr; | |
277 | int err, len; | |
278 | ||
279 | vq_req = vq_req_alloc(c2dev); | |
280 | if (!vq_req) | |
281 | return -ENOMEM; | |
282 | ||
283 | len = sizeof(struct c2_netaddr); | |
284 | wr = kmalloc(c2dev->req_vq.msg_size, GFP_KERNEL); | |
285 | if (!wr) { | |
286 | err = -ENOMEM; | |
287 | goto bail0; | |
288 | } | |
289 | ||
290 | c2_wr_set_id(wr, CCWR_RNIC_SETCONFIG); | |
291 | wr->hdr.context = (unsigned long) vq_req; | |
292 | wr->rnic_handle = c2dev->adapter_handle; | |
293 | wr->option = cpu_to_be32(C2_CFG_DEL_ADDR); | |
294 | ||
295 | netaddr.ip_addr = inaddr; | |
296 | netaddr.netmask = inmask; | |
297 | netaddr.mtu = 0; | |
298 | ||
299 | memcpy(wr->data, &netaddr, len); | |
300 | ||
301 | vq_req_get(c2dev, vq_req); | |
302 | ||
303 | err = vq_send_wr(c2dev, (union c2wr *) wr); | |
304 | if (err) { | |
305 | vq_req_put(c2dev, vq_req); | |
306 | goto bail1; | |
307 | } | |
308 | ||
309 | err = vq_wait_for_reply(c2dev, vq_req); | |
310 | if (err) | |
311 | goto bail1; | |
312 | ||
313 | reply = | |
314 | (struct c2wr_rnic_setconfig_rep *) (unsigned long) (vq_req->reply_msg); | |
315 | if (!reply) { | |
316 | err = -ENOMEM; | |
317 | goto bail1; | |
318 | } | |
319 | ||
320 | err = c2_errno(reply); | |
321 | vq_repbuf_free(c2dev, reply); | |
322 | ||
f34b77ec | 323 | bail1: |
f94b533d | 324 | kfree(wr); |
f34b77ec | 325 | bail0: |
f94b533d TT |
326 | vq_req_free(c2dev, vq_req); |
327 | return err; | |
328 | } | |
329 | ||
330 | /* | |
331 | * Open a single RNIC instance to use with all | |
332 | * low level openib calls | |
333 | */ | |
334 | static int c2_rnic_open(struct c2_dev *c2dev) | |
335 | { | |
336 | struct c2_vq_req *vq_req; | |
337 | union c2wr wr; | |
338 | struct c2wr_rnic_open_rep *reply; | |
339 | int err; | |
340 | ||
341 | vq_req = vq_req_alloc(c2dev); | |
342 | if (vq_req == NULL) { | |
343 | return -ENOMEM; | |
344 | } | |
345 | ||
346 | memset(&wr, 0, sizeof(wr)); | |
347 | c2_wr_set_id(&wr, CCWR_RNIC_OPEN); | |
348 | wr.rnic_open.req.hdr.context = (unsigned long) (vq_req); | |
349 | wr.rnic_open.req.flags = cpu_to_be16(RNIC_PRIV_MODE); | |
350 | wr.rnic_open.req.port_num = cpu_to_be16(0); | |
351 | wr.rnic_open.req.user_context = (unsigned long) c2dev; | |
352 | ||
353 | vq_req_get(c2dev, vq_req); | |
354 | ||
355 | err = vq_send_wr(c2dev, &wr); | |
356 | if (err) { | |
357 | vq_req_put(c2dev, vq_req); | |
358 | goto bail0; | |
359 | } | |
360 | ||
361 | err = vq_wait_for_reply(c2dev, vq_req); | |
362 | if (err) { | |
363 | goto bail0; | |
364 | } | |
365 | ||
366 | reply = (struct c2wr_rnic_open_rep *) (unsigned long) (vq_req->reply_msg); | |
367 | if (!reply) { | |
368 | err = -ENOMEM; | |
369 | goto bail0; | |
370 | } | |
371 | ||
372 | if ((err = c2_errno(reply)) != 0) { | |
373 | goto bail1; | |
374 | } | |
375 | ||
376 | c2dev->adapter_handle = reply->rnic_handle; | |
377 | ||
f34b77ec | 378 | bail1: |
f94b533d | 379 | vq_repbuf_free(c2dev, reply); |
f34b77ec | 380 | bail0: |
f94b533d TT |
381 | vq_req_free(c2dev, vq_req); |
382 | return err; | |
383 | } | |
384 | ||
385 | /* | |
386 | * Close the RNIC instance | |
387 | */ | |
388 | static int c2_rnic_close(struct c2_dev *c2dev) | |
389 | { | |
390 | struct c2_vq_req *vq_req; | |
391 | union c2wr wr; | |
392 | struct c2wr_rnic_close_rep *reply; | |
393 | int err; | |
394 | ||
395 | vq_req = vq_req_alloc(c2dev); | |
396 | if (vq_req == NULL) { | |
397 | return -ENOMEM; | |
398 | } | |
399 | ||
400 | memset(&wr, 0, sizeof(wr)); | |
401 | c2_wr_set_id(&wr, CCWR_RNIC_CLOSE); | |
402 | wr.rnic_close.req.hdr.context = (unsigned long) vq_req; | |
403 | wr.rnic_close.req.rnic_handle = c2dev->adapter_handle; | |
404 | ||
405 | vq_req_get(c2dev, vq_req); | |
406 | ||
407 | err = vq_send_wr(c2dev, &wr); | |
408 | if (err) { | |
409 | vq_req_put(c2dev, vq_req); | |
410 | goto bail0; | |
411 | } | |
412 | ||
413 | err = vq_wait_for_reply(c2dev, vq_req); | |
414 | if (err) { | |
415 | goto bail0; | |
416 | } | |
417 | ||
418 | reply = (struct c2wr_rnic_close_rep *) (unsigned long) (vq_req->reply_msg); | |
419 | if (!reply) { | |
420 | err = -ENOMEM; | |
421 | goto bail0; | |
422 | } | |
423 | ||
424 | if ((err = c2_errno(reply)) != 0) { | |
425 | goto bail1; | |
426 | } | |
427 | ||
428 | c2dev->adapter_handle = 0; | |
429 | ||
f34b77ec | 430 | bail1: |
f94b533d | 431 | vq_repbuf_free(c2dev, reply); |
f34b77ec | 432 | bail0: |
f94b533d TT |
433 | vq_req_free(c2dev, vq_req); |
434 | return err; | |
435 | } | |
436 | ||
437 | /* | |
438 | * Called by c2_probe to initialize the RNIC. This principally | |
142ad5db | 439 | * involves initializing the various limits and resource pools that |
f94b533d TT |
440 | * comprise the RNIC instance. |
441 | */ | |
1e6d9abe | 442 | int c2_rnic_init(struct c2_dev *c2dev) |
f94b533d TT |
443 | { |
444 | int err; | |
445 | u32 qsize, msgsize; | |
446 | void *q1_pages; | |
447 | void *q2_pages; | |
448 | void __iomem *mmio_regs; | |
449 | ||
450 | /* Device capabilities */ | |
451 | c2dev->device_cap_flags = | |
452 | (IB_DEVICE_RESIZE_MAX_WR | | |
453 | IB_DEVICE_CURR_QP_STATE_MOD | | |
454 | IB_DEVICE_SYS_IMAGE_GUID | | |
96f15c03 | 455 | IB_DEVICE_LOCAL_DMA_LKEY | |
4c0283fc | 456 | IB_DEVICE_MEM_WINDOW); |
f94b533d TT |
457 | |
458 | /* Allocate the qptr_array */ | |
948579cd | 459 | c2dev->qptr_array = vzalloc(C2_MAX_CQS * sizeof(void *)); |
f94b533d TT |
460 | if (!c2dev->qptr_array) { |
461 | return -ENOMEM; | |
462 | } | |
463 | ||
948579cd | 464 | /* Initialize the qptr_array */ |
f94b533d TT |
465 | c2dev->qptr_array[0] = (void *) &c2dev->req_vq; |
466 | c2dev->qptr_array[1] = (void *) &c2dev->rep_vq; | |
467 | c2dev->qptr_array[2] = (void *) &c2dev->aeq; | |
468 | ||
469 | /* Initialize data structures */ | |
470 | init_waitqueue_head(&c2dev->req_vq_wo); | |
471 | spin_lock_init(&c2dev->vqlock); | |
472 | spin_lock_init(&c2dev->lock); | |
473 | ||
474 | /* Allocate MQ shared pointer pool for kernel clients. User | |
475 | * mode client pools are hung off the user context | |
476 | */ | |
477 | err = c2_init_mqsp_pool(c2dev, GFP_KERNEL, &c2dev->kern_mqsp_pool); | |
478 | if (err) { | |
479 | goto bail0; | |
480 | } | |
481 | ||
482 | /* Allocate shared pointers for Q0, Q1, and Q2 from | |
483 | * the shared pointer pool. | |
484 | */ | |
485 | ||
486 | c2dev->hint_count = c2_alloc_mqsp(c2dev, c2dev->kern_mqsp_pool, | |
487 | &c2dev->hint_count_dma, | |
488 | GFP_KERNEL); | |
489 | c2dev->req_vq.shared = c2_alloc_mqsp(c2dev, c2dev->kern_mqsp_pool, | |
490 | &c2dev->req_vq.shared_dma, | |
491 | GFP_KERNEL); | |
492 | c2dev->rep_vq.shared = c2_alloc_mqsp(c2dev, c2dev->kern_mqsp_pool, | |
493 | &c2dev->rep_vq.shared_dma, | |
494 | GFP_KERNEL); | |
495 | c2dev->aeq.shared = c2_alloc_mqsp(c2dev, c2dev->kern_mqsp_pool, | |
496 | &c2dev->aeq.shared_dma, GFP_KERNEL); | |
497 | if (!c2dev->hint_count || !c2dev->req_vq.shared || | |
498 | !c2dev->rep_vq.shared || !c2dev->aeq.shared) { | |
499 | err = -ENOMEM; | |
500 | goto bail1; | |
501 | } | |
502 | ||
503 | mmio_regs = c2dev->kva; | |
504 | /* Initialize the Verbs Request Queue */ | |
505 | c2_mq_req_init(&c2dev->req_vq, 0, | |
dc544bc9 RD |
506 | be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q0_QSIZE)), |
507 | be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q0_MSGSIZE)), | |
f94b533d | 508 | mmio_regs + |
dc544bc9 | 509 | be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q0_POOLSTART)), |
f94b533d | 510 | mmio_regs + |
dc544bc9 | 511 | be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q0_SHARED)), |
f94b533d TT |
512 | C2_MQ_ADAPTER_TARGET); |
513 | ||
514 | /* Initialize the Verbs Reply Queue */ | |
dc544bc9 RD |
515 | qsize = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q1_QSIZE)); |
516 | msgsize = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q1_MSGSIZE)); | |
8de94ce1 SW |
517 | q1_pages = dma_alloc_coherent(&c2dev->pcidev->dev, qsize * msgsize, |
518 | &c2dev->rep_vq.host_dma, GFP_KERNEL); | |
f94b533d TT |
519 | if (!q1_pages) { |
520 | err = -ENOMEM; | |
521 | goto bail1; | |
522 | } | |
e7494440 | 523 | dma_unmap_addr_set(&c2dev->rep_vq, mapping, c2dev->rep_vq.host_dma); |
33718363 | 524 | pr_debug("%s rep_vq va %p dma %llx\n", __func__, q1_pages, |
6edf6023 | 525 | (unsigned long long) c2dev->rep_vq.host_dma); |
f94b533d TT |
526 | c2_mq_rep_init(&c2dev->rep_vq, |
527 | 1, | |
528 | qsize, | |
529 | msgsize, | |
530 | q1_pages, | |
531 | mmio_regs + | |
dc544bc9 | 532 | be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q1_SHARED)), |
f94b533d TT |
533 | C2_MQ_HOST_TARGET); |
534 | ||
535 | /* Initialize the Asynchronus Event Queue */ | |
dc544bc9 RD |
536 | qsize = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q2_QSIZE)); |
537 | msgsize = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q2_MSGSIZE)); | |
8de94ce1 SW |
538 | q2_pages = dma_alloc_coherent(&c2dev->pcidev->dev, qsize * msgsize, |
539 | &c2dev->aeq.host_dma, GFP_KERNEL); | |
f94b533d TT |
540 | if (!q2_pages) { |
541 | err = -ENOMEM; | |
542 | goto bail2; | |
543 | } | |
e7494440 | 544 | dma_unmap_addr_set(&c2dev->aeq, mapping, c2dev->aeq.host_dma); |
33718363 | 545 | pr_debug("%s aeq va %p dma %llx\n", __func__, q2_pages, |
d7b748d6 | 546 | (unsigned long long) c2dev->aeq.host_dma); |
f94b533d TT |
547 | c2_mq_rep_init(&c2dev->aeq, |
548 | 2, | |
549 | qsize, | |
550 | msgsize, | |
551 | q2_pages, | |
552 | mmio_regs + | |
dc544bc9 | 553 | be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q2_SHARED)), |
f94b533d TT |
554 | C2_MQ_HOST_TARGET); |
555 | ||
556 | /* Initialize the verbs request allocator */ | |
557 | err = vq_init(c2dev); | |
558 | if (err) | |
559 | goto bail3; | |
560 | ||
561 | /* Enable interrupts on the adapter */ | |
562 | writel(0, c2dev->regs + C2_IDIS); | |
563 | ||
564 | /* create the WR init message */ | |
565 | err = c2_adapter_init(c2dev); | |
566 | if (err) | |
567 | goto bail4; | |
568 | c2dev->init++; | |
569 | ||
570 | /* open an adapter instance */ | |
571 | err = c2_rnic_open(c2dev); | |
572 | if (err) | |
573 | goto bail4; | |
574 | ||
575 | /* Initialize cached the adapter limits */ | |
ab576627 JL |
576 | err = c2_rnic_query(c2dev, &c2dev->props); |
577 | if (err) | |
f94b533d TT |
578 | goto bail5; |
579 | ||
580 | /* Initialize the PD pool */ | |
581 | err = c2_init_pd_table(c2dev); | |
582 | if (err) | |
583 | goto bail5; | |
584 | ||
585 | /* Initialize the QP pool */ | |
586 | c2_init_qp_table(c2dev); | |
587 | return 0; | |
588 | ||
f34b77ec | 589 | bail5: |
f94b533d | 590 | c2_rnic_close(c2dev); |
f34b77ec | 591 | bail4: |
f94b533d | 592 | vq_term(c2dev); |
f34b77ec | 593 | bail3: |
8de94ce1 SW |
594 | dma_free_coherent(&c2dev->pcidev->dev, |
595 | c2dev->aeq.q_size * c2dev->aeq.msg_size, | |
e7494440 | 596 | q2_pages, dma_unmap_addr(&c2dev->aeq, mapping)); |
f34b77ec | 597 | bail2: |
8de94ce1 SW |
598 | dma_free_coherent(&c2dev->pcidev->dev, |
599 | c2dev->rep_vq.q_size * c2dev->rep_vq.msg_size, | |
e7494440 | 600 | q1_pages, dma_unmap_addr(&c2dev->rep_vq, mapping)); |
f34b77ec | 601 | bail1: |
f94b533d | 602 | c2_free_mqsp_pool(c2dev, c2dev->kern_mqsp_pool); |
f34b77ec | 603 | bail0: |
f94b533d TT |
604 | vfree(c2dev->qptr_array); |
605 | ||
606 | return err; | |
607 | } | |
608 | ||
609 | /* | |
610 | * Called by c2_remove to cleanup the RNIC resources. | |
611 | */ | |
1e6d9abe | 612 | void c2_rnic_term(struct c2_dev *c2dev) |
f94b533d TT |
613 | { |
614 | ||
615 | /* Close the open adapter instance */ | |
616 | c2_rnic_close(c2dev); | |
617 | ||
618 | /* Send the TERM message to the adapter */ | |
619 | c2_adapter_term(c2dev); | |
620 | ||
621 | /* Disable interrupts on the adapter */ | |
622 | writel(1, c2dev->regs + C2_IDIS); | |
623 | ||
624 | /* Free the QP pool */ | |
625 | c2_cleanup_qp_table(c2dev); | |
626 | ||
627 | /* Free the PD pool */ | |
628 | c2_cleanup_pd_table(c2dev); | |
629 | ||
630 | /* Free the verbs request allocator */ | |
631 | vq_term(c2dev); | |
632 | ||
8de94ce1 SW |
633 | /* Free the asynchronus event queue */ |
634 | dma_free_coherent(&c2dev->pcidev->dev, | |
635 | c2dev->aeq.q_size * c2dev->aeq.msg_size, | |
636 | c2dev->aeq.msg_pool.host, | |
e7494440 | 637 | dma_unmap_addr(&c2dev->aeq, mapping)); |
8de94ce1 SW |
638 | |
639 | /* Free the verbs reply queue */ | |
640 | dma_free_coherent(&c2dev->pcidev->dev, | |
641 | c2dev->rep_vq.q_size * c2dev->rep_vq.msg_size, | |
642 | c2dev->rep_vq.msg_pool.host, | |
e7494440 | 643 | dma_unmap_addr(&c2dev->rep_vq, mapping)); |
f94b533d TT |
644 | |
645 | /* Free the MQ shared pointer pool */ | |
646 | c2_free_mqsp_pool(c2dev, c2dev->kern_mqsp_pool); | |
647 | ||
648 | /* Free the qptr_array */ | |
649 | vfree(c2dev->qptr_array); | |
650 | ||
651 | return; | |
652 | } |