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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> |
f94b533d TT |
54 | |
55 | #include <linux/route.h> | |
56 | ||
57 | #include <asm/io.h> | |
58 | #include <asm/irq.h> | |
59 | #include <asm/byteorder.h> | |
60 | #include <rdma/ib_smi.h> | |
61 | #include "c2.h" | |
62 | #include "c2_vq.h" | |
63 | ||
64 | /* Device capabilities */ | |
65 | #define C2_MIN_PAGESIZE 1024 | |
66 | ||
67 | #define C2_MAX_MRS 32768 | |
68 | #define C2_MAX_QPS 16000 | |
69 | #define C2_MAX_WQE_SZ 256 | |
70 | #define C2_MAX_QP_WR ((128*1024)/C2_MAX_WQE_SZ) | |
71 | #define C2_MAX_SGES 4 | |
72 | #define C2_MAX_SGE_RD 1 | |
73 | #define C2_MAX_CQS 32768 | |
74 | #define C2_MAX_CQES 4096 | |
75 | #define C2_MAX_PDS 16384 | |
76 | ||
77 | /* | |
78 | * Send the adapter INIT message to the amso1100 | |
79 | */ | |
80 | static int c2_adapter_init(struct c2_dev *c2dev) | |
81 | { | |
82 | struct c2wr_init_req wr; | |
83 | int err; | |
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 */ | |
96 | err = vq_send_wr(c2dev, (union c2wr *) & wr); | |
97 | ||
98 | return err; | |
99 | } | |
100 | ||
101 | /* | |
102 | * Send the adapter TERM message to the amso1100 | |
103 | */ | |
104 | static void c2_adapter_term(struct c2_dev *c2dev) | |
105 | { | |
106 | struct c2wr_init_req wr; | |
107 | ||
108 | memset(&wr, 0, sizeof(wr)); | |
109 | c2_wr_set_id(&wr, CCWR_TERM); | |
110 | wr.hdr.context = 0; | |
111 | ||
112 | /* Post the init message */ | |
113 | vq_send_wr(c2dev, (union c2wr *) & wr); | |
114 | c2dev->init = 0; | |
115 | ||
116 | return; | |
117 | } | |
118 | ||
119 | /* | |
120 | * Query the adapter | |
121 | */ | |
122 | static int c2_rnic_query(struct c2_dev *c2dev, struct ib_device_attr *props) | |
123 | { | |
124 | struct c2_vq_req *vq_req; | |
125 | struct c2wr_rnic_query_req wr; | |
126 | struct c2wr_rnic_query_rep *reply; | |
127 | int err; | |
128 | ||
129 | vq_req = vq_req_alloc(c2dev); | |
130 | if (!vq_req) | |
131 | return -ENOMEM; | |
132 | ||
133 | c2_wr_set_id(&wr, CCWR_RNIC_QUERY); | |
134 | wr.hdr.context = (unsigned long) vq_req; | |
135 | wr.rnic_handle = c2dev->adapter_handle; | |
136 | ||
137 | vq_req_get(c2dev, vq_req); | |
138 | ||
139 | err = vq_send_wr(c2dev, (union c2wr *) &wr); | |
140 | if (err) { | |
141 | vq_req_put(c2dev, vq_req); | |
142 | goto bail1; | |
143 | } | |
144 | ||
145 | err = vq_wait_for_reply(c2dev, vq_req); | |
146 | if (err) | |
147 | goto bail1; | |
148 | ||
149 | reply = | |
150 | (struct c2wr_rnic_query_rep *) (unsigned long) (vq_req->reply_msg); | |
151 | if (!reply) | |
152 | err = -ENOMEM; | |
fb7711e7 AB |
153 | else |
154 | err = c2_errno(reply); | |
f94b533d TT |
155 | if (err) |
156 | goto bail2; | |
157 | ||
158 | props->fw_ver = | |
159 | ((u64)be32_to_cpu(reply->fw_ver_major) << 32) | | |
b26c791e JD |
160 | ((be32_to_cpu(reply->fw_ver_minor) & 0xFFFF) << 16) | |
161 | (be32_to_cpu(reply->fw_ver_patch) & 0xFFFF); | |
f94b533d TT |
162 | memcpy(&props->sys_image_guid, c2dev->netdev->dev_addr, 6); |
163 | props->max_mr_size = 0xFFFFFFFF; | |
164 | props->page_size_cap = ~(C2_MIN_PAGESIZE-1); | |
165 | props->vendor_id = be32_to_cpu(reply->vendor_id); | |
166 | props->vendor_part_id = be32_to_cpu(reply->part_number); | |
167 | props->hw_ver = be32_to_cpu(reply->hw_version); | |
168 | props->max_qp = be32_to_cpu(reply->max_qps); | |
169 | props->max_qp_wr = be32_to_cpu(reply->max_qp_depth); | |
170 | props->device_cap_flags = c2dev->device_cap_flags; | |
171 | props->max_sge = C2_MAX_SGES; | |
172 | props->max_sge_rd = C2_MAX_SGE_RD; | |
173 | props->max_cq = be32_to_cpu(reply->max_cqs); | |
174 | props->max_cqe = be32_to_cpu(reply->max_cq_depth); | |
175 | props->max_mr = be32_to_cpu(reply->max_mrs); | |
176 | props->max_pd = be32_to_cpu(reply->max_pds); | |
177 | props->max_qp_rd_atom = be32_to_cpu(reply->max_qp_ird); | |
178 | props->max_ee_rd_atom = 0; | |
179 | props->max_res_rd_atom = be32_to_cpu(reply->max_global_ird); | |
180 | props->max_qp_init_rd_atom = be32_to_cpu(reply->max_qp_ord); | |
181 | props->max_ee_init_rd_atom = 0; | |
182 | props->atomic_cap = IB_ATOMIC_NONE; | |
183 | props->max_ee = 0; | |
184 | props->max_rdd = 0; | |
185 | props->max_mw = be32_to_cpu(reply->max_mws); | |
186 | props->max_raw_ipv6_qp = 0; | |
187 | props->max_raw_ethy_qp = 0; | |
188 | props->max_mcast_grp = 0; | |
189 | props->max_mcast_qp_attach = 0; | |
190 | props->max_total_mcast_qp_attach = 0; | |
191 | props->max_ah = 0; | |
192 | props->max_fmr = 0; | |
193 | props->max_map_per_fmr = 0; | |
194 | props->max_srq = 0; | |
195 | props->max_srq_wr = 0; | |
196 | props->max_srq_sge = 0; | |
197 | props->max_pkeys = 0; | |
198 | props->local_ca_ack_delay = 0; | |
199 | ||
200 | bail2: | |
201 | vq_repbuf_free(c2dev, reply); | |
202 | ||
203 | bail1: | |
204 | vq_req_free(c2dev, vq_req); | |
205 | return err; | |
206 | } | |
207 | ||
208 | /* | |
209 | * Add an IP address to the RNIC interface | |
210 | */ | |
211 | int c2_add_addr(struct c2_dev *c2dev, u32 inaddr, u32 inmask) | |
212 | { | |
213 | struct c2_vq_req *vq_req; | |
214 | struct c2wr_rnic_setconfig_req *wr; | |
215 | struct c2wr_rnic_setconfig_rep *reply; | |
216 | struct c2_netaddr netaddr; | |
217 | int err, len; | |
218 | ||
219 | vq_req = vq_req_alloc(c2dev); | |
220 | if (!vq_req) | |
221 | return -ENOMEM; | |
222 | ||
223 | len = sizeof(struct c2_netaddr); | |
224 | wr = kmalloc(c2dev->req_vq.msg_size, GFP_KERNEL); | |
225 | if (!wr) { | |
226 | err = -ENOMEM; | |
227 | goto bail0; | |
228 | } | |
229 | ||
230 | c2_wr_set_id(wr, CCWR_RNIC_SETCONFIG); | |
231 | wr->hdr.context = (unsigned long) vq_req; | |
232 | wr->rnic_handle = c2dev->adapter_handle; | |
233 | wr->option = cpu_to_be32(C2_CFG_ADD_ADDR); | |
234 | ||
235 | netaddr.ip_addr = inaddr; | |
236 | netaddr.netmask = inmask; | |
237 | netaddr.mtu = 0; | |
238 | ||
239 | memcpy(wr->data, &netaddr, len); | |
240 | ||
241 | vq_req_get(c2dev, vq_req); | |
242 | ||
243 | err = vq_send_wr(c2dev, (union c2wr *) wr); | |
244 | if (err) { | |
245 | vq_req_put(c2dev, vq_req); | |
246 | goto bail1; | |
247 | } | |
248 | ||
249 | err = vq_wait_for_reply(c2dev, vq_req); | |
250 | if (err) | |
251 | goto bail1; | |
252 | ||
253 | reply = | |
254 | (struct c2wr_rnic_setconfig_rep *) (unsigned long) (vq_req->reply_msg); | |
255 | if (!reply) { | |
256 | err = -ENOMEM; | |
257 | goto bail1; | |
258 | } | |
259 | ||
260 | err = c2_errno(reply); | |
261 | vq_repbuf_free(c2dev, reply); | |
262 | ||
263 | bail1: | |
264 | kfree(wr); | |
265 | bail0: | |
266 | vq_req_free(c2dev, vq_req); | |
267 | return err; | |
268 | } | |
269 | ||
270 | /* | |
271 | * Delete an IP address from the RNIC interface | |
272 | */ | |
273 | int c2_del_addr(struct c2_dev *c2dev, u32 inaddr, u32 inmask) | |
274 | { | |
275 | struct c2_vq_req *vq_req; | |
276 | struct c2wr_rnic_setconfig_req *wr; | |
277 | struct c2wr_rnic_setconfig_rep *reply; | |
278 | struct c2_netaddr netaddr; | |
279 | int err, len; | |
280 | ||
281 | vq_req = vq_req_alloc(c2dev); | |
282 | if (!vq_req) | |
283 | return -ENOMEM; | |
284 | ||
285 | len = sizeof(struct c2_netaddr); | |
286 | wr = kmalloc(c2dev->req_vq.msg_size, GFP_KERNEL); | |
287 | if (!wr) { | |
288 | err = -ENOMEM; | |
289 | goto bail0; | |
290 | } | |
291 | ||
292 | c2_wr_set_id(wr, CCWR_RNIC_SETCONFIG); | |
293 | wr->hdr.context = (unsigned long) vq_req; | |
294 | wr->rnic_handle = c2dev->adapter_handle; | |
295 | wr->option = cpu_to_be32(C2_CFG_DEL_ADDR); | |
296 | ||
297 | netaddr.ip_addr = inaddr; | |
298 | netaddr.netmask = inmask; | |
299 | netaddr.mtu = 0; | |
300 | ||
301 | memcpy(wr->data, &netaddr, len); | |
302 | ||
303 | vq_req_get(c2dev, vq_req); | |
304 | ||
305 | err = vq_send_wr(c2dev, (union c2wr *) wr); | |
306 | if (err) { | |
307 | vq_req_put(c2dev, vq_req); | |
308 | goto bail1; | |
309 | } | |
310 | ||
311 | err = vq_wait_for_reply(c2dev, vq_req); | |
312 | if (err) | |
313 | goto bail1; | |
314 | ||
315 | reply = | |
316 | (struct c2wr_rnic_setconfig_rep *) (unsigned long) (vq_req->reply_msg); | |
317 | if (!reply) { | |
318 | err = -ENOMEM; | |
319 | goto bail1; | |
320 | } | |
321 | ||
322 | err = c2_errno(reply); | |
323 | vq_repbuf_free(c2dev, reply); | |
324 | ||
325 | bail1: | |
326 | kfree(wr); | |
327 | bail0: | |
328 | vq_req_free(c2dev, vq_req); | |
329 | return err; | |
330 | } | |
331 | ||
332 | /* | |
333 | * Open a single RNIC instance to use with all | |
334 | * low level openib calls | |
335 | */ | |
336 | static int c2_rnic_open(struct c2_dev *c2dev) | |
337 | { | |
338 | struct c2_vq_req *vq_req; | |
339 | union c2wr wr; | |
340 | struct c2wr_rnic_open_rep *reply; | |
341 | int err; | |
342 | ||
343 | vq_req = vq_req_alloc(c2dev); | |
344 | if (vq_req == NULL) { | |
345 | return -ENOMEM; | |
346 | } | |
347 | ||
348 | memset(&wr, 0, sizeof(wr)); | |
349 | c2_wr_set_id(&wr, CCWR_RNIC_OPEN); | |
350 | wr.rnic_open.req.hdr.context = (unsigned long) (vq_req); | |
351 | wr.rnic_open.req.flags = cpu_to_be16(RNIC_PRIV_MODE); | |
352 | wr.rnic_open.req.port_num = cpu_to_be16(0); | |
353 | wr.rnic_open.req.user_context = (unsigned long) c2dev; | |
354 | ||
355 | vq_req_get(c2dev, vq_req); | |
356 | ||
357 | err = vq_send_wr(c2dev, &wr); | |
358 | if (err) { | |
359 | vq_req_put(c2dev, vq_req); | |
360 | goto bail0; | |
361 | } | |
362 | ||
363 | err = vq_wait_for_reply(c2dev, vq_req); | |
364 | if (err) { | |
365 | goto bail0; | |
366 | } | |
367 | ||
368 | reply = (struct c2wr_rnic_open_rep *) (unsigned long) (vq_req->reply_msg); | |
369 | if (!reply) { | |
370 | err = -ENOMEM; | |
371 | goto bail0; | |
372 | } | |
373 | ||
374 | if ((err = c2_errno(reply)) != 0) { | |
375 | goto bail1; | |
376 | } | |
377 | ||
378 | c2dev->adapter_handle = reply->rnic_handle; | |
379 | ||
380 | bail1: | |
381 | vq_repbuf_free(c2dev, reply); | |
382 | bail0: | |
383 | vq_req_free(c2dev, vq_req); | |
384 | return err; | |
385 | } | |
386 | ||
387 | /* | |
388 | * Close the RNIC instance | |
389 | */ | |
390 | static int c2_rnic_close(struct c2_dev *c2dev) | |
391 | { | |
392 | struct c2_vq_req *vq_req; | |
393 | union c2wr wr; | |
394 | struct c2wr_rnic_close_rep *reply; | |
395 | int err; | |
396 | ||
397 | vq_req = vq_req_alloc(c2dev); | |
398 | if (vq_req == NULL) { | |
399 | return -ENOMEM; | |
400 | } | |
401 | ||
402 | memset(&wr, 0, sizeof(wr)); | |
403 | c2_wr_set_id(&wr, CCWR_RNIC_CLOSE); | |
404 | wr.rnic_close.req.hdr.context = (unsigned long) vq_req; | |
405 | wr.rnic_close.req.rnic_handle = c2dev->adapter_handle; | |
406 | ||
407 | vq_req_get(c2dev, vq_req); | |
408 | ||
409 | err = vq_send_wr(c2dev, &wr); | |
410 | if (err) { | |
411 | vq_req_put(c2dev, vq_req); | |
412 | goto bail0; | |
413 | } | |
414 | ||
415 | err = vq_wait_for_reply(c2dev, vq_req); | |
416 | if (err) { | |
417 | goto bail0; | |
418 | } | |
419 | ||
420 | reply = (struct c2wr_rnic_close_rep *) (unsigned long) (vq_req->reply_msg); | |
421 | if (!reply) { | |
422 | err = -ENOMEM; | |
423 | goto bail0; | |
424 | } | |
425 | ||
426 | if ((err = c2_errno(reply)) != 0) { | |
427 | goto bail1; | |
428 | } | |
429 | ||
430 | c2dev->adapter_handle = 0; | |
431 | ||
432 | bail1: | |
433 | vq_repbuf_free(c2dev, reply); | |
434 | bail0: | |
435 | vq_req_free(c2dev, vq_req); | |
436 | return err; | |
437 | } | |
438 | ||
439 | /* | |
440 | * Called by c2_probe to initialize the RNIC. This principally | |
441 | * involves initalizing the various limits and resouce pools that | |
442 | * comprise the RNIC instance. | |
443 | */ | |
444 | int c2_rnic_init(struct c2_dev *c2dev) | |
445 | { | |
446 | int err; | |
447 | u32 qsize, msgsize; | |
448 | void *q1_pages; | |
449 | void *q2_pages; | |
450 | void __iomem *mmio_regs; | |
451 | ||
452 | /* Device capabilities */ | |
453 | c2dev->device_cap_flags = | |
454 | (IB_DEVICE_RESIZE_MAX_WR | | |
455 | IB_DEVICE_CURR_QP_STATE_MOD | | |
456 | IB_DEVICE_SYS_IMAGE_GUID | | |
457 | IB_DEVICE_ZERO_STAG | | |
458 | IB_DEVICE_SEND_W_INV | IB_DEVICE_MEM_WINDOW); | |
459 | ||
460 | /* Allocate the qptr_array */ | |
461 | c2dev->qptr_array = vmalloc(C2_MAX_CQS * sizeof(void *)); | |
462 | if (!c2dev->qptr_array) { | |
463 | return -ENOMEM; | |
464 | } | |
465 | ||
466 | /* Inialize the qptr_array */ | |
467 | memset(c2dev->qptr_array, 0, C2_MAX_CQS * sizeof(void *)); | |
468 | c2dev->qptr_array[0] = (void *) &c2dev->req_vq; | |
469 | c2dev->qptr_array[1] = (void *) &c2dev->rep_vq; | |
470 | c2dev->qptr_array[2] = (void *) &c2dev->aeq; | |
471 | ||
472 | /* Initialize data structures */ | |
473 | init_waitqueue_head(&c2dev->req_vq_wo); | |
474 | spin_lock_init(&c2dev->vqlock); | |
475 | spin_lock_init(&c2dev->lock); | |
476 | ||
477 | /* Allocate MQ shared pointer pool for kernel clients. User | |
478 | * mode client pools are hung off the user context | |
479 | */ | |
480 | err = c2_init_mqsp_pool(c2dev, GFP_KERNEL, &c2dev->kern_mqsp_pool); | |
481 | if (err) { | |
482 | goto bail0; | |
483 | } | |
484 | ||
485 | /* Allocate shared pointers for Q0, Q1, and Q2 from | |
486 | * the shared pointer pool. | |
487 | */ | |
488 | ||
489 | c2dev->hint_count = c2_alloc_mqsp(c2dev, c2dev->kern_mqsp_pool, | |
490 | &c2dev->hint_count_dma, | |
491 | GFP_KERNEL); | |
492 | c2dev->req_vq.shared = c2_alloc_mqsp(c2dev, c2dev->kern_mqsp_pool, | |
493 | &c2dev->req_vq.shared_dma, | |
494 | GFP_KERNEL); | |
495 | c2dev->rep_vq.shared = c2_alloc_mqsp(c2dev, c2dev->kern_mqsp_pool, | |
496 | &c2dev->rep_vq.shared_dma, | |
497 | GFP_KERNEL); | |
498 | c2dev->aeq.shared = c2_alloc_mqsp(c2dev, c2dev->kern_mqsp_pool, | |
499 | &c2dev->aeq.shared_dma, GFP_KERNEL); | |
500 | if (!c2dev->hint_count || !c2dev->req_vq.shared || | |
501 | !c2dev->rep_vq.shared || !c2dev->aeq.shared) { | |
502 | err = -ENOMEM; | |
503 | goto bail1; | |
504 | } | |
505 | ||
506 | mmio_regs = c2dev->kva; | |
507 | /* Initialize the Verbs Request Queue */ | |
508 | c2_mq_req_init(&c2dev->req_vq, 0, | |
509 | be32_to_cpu(readl(mmio_regs + C2_REGS_Q0_QSIZE)), | |
510 | be32_to_cpu(readl(mmio_regs + C2_REGS_Q0_MSGSIZE)), | |
511 | mmio_regs + | |
512 | be32_to_cpu(readl(mmio_regs + C2_REGS_Q0_POOLSTART)), | |
513 | mmio_regs + | |
514 | be32_to_cpu(readl(mmio_regs + C2_REGS_Q0_SHARED)), | |
515 | C2_MQ_ADAPTER_TARGET); | |
516 | ||
517 | /* Initialize the Verbs Reply Queue */ | |
518 | qsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q1_QSIZE)); | |
519 | msgsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q1_MSGSIZE)); | |
8de94ce1 SW |
520 | q1_pages = dma_alloc_coherent(&c2dev->pcidev->dev, qsize * msgsize, |
521 | &c2dev->rep_vq.host_dma, GFP_KERNEL); | |
f94b533d TT |
522 | if (!q1_pages) { |
523 | err = -ENOMEM; | |
524 | goto bail1; | |
525 | } | |
f94b533d TT |
526 | pci_unmap_addr_set(&c2dev->rep_vq, mapping, c2dev->rep_vq.host_dma); |
527 | pr_debug("%s rep_vq va %p dma %llx\n", __FUNCTION__, q1_pages, | |
6edf6023 | 528 | (unsigned long long) c2dev->rep_vq.host_dma); |
f94b533d TT |
529 | c2_mq_rep_init(&c2dev->rep_vq, |
530 | 1, | |
531 | qsize, | |
532 | msgsize, | |
533 | q1_pages, | |
534 | mmio_regs + | |
535 | be32_to_cpu(readl(mmio_regs + C2_REGS_Q1_SHARED)), | |
536 | C2_MQ_HOST_TARGET); | |
537 | ||
538 | /* Initialize the Asynchronus Event Queue */ | |
539 | qsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q2_QSIZE)); | |
540 | msgsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q2_MSGSIZE)); | |
8de94ce1 SW |
541 | q2_pages = dma_alloc_coherent(&c2dev->pcidev->dev, qsize * msgsize, |
542 | &c2dev->aeq.host_dma, GFP_KERNEL); | |
f94b533d TT |
543 | if (!q2_pages) { |
544 | err = -ENOMEM; | |
545 | goto bail2; | |
546 | } | |
f94b533d | 547 | pci_unmap_addr_set(&c2dev->aeq, mapping, c2dev->aeq.host_dma); |
d7b748d6 SW |
548 | pr_debug("%s aeq va %p dma %llx\n", __FUNCTION__, q2_pages, |
549 | (unsigned long long) c2dev->aeq.host_dma); | |
f94b533d TT |
550 | c2_mq_rep_init(&c2dev->aeq, |
551 | 2, | |
552 | qsize, | |
553 | msgsize, | |
554 | q2_pages, | |
555 | mmio_regs + | |
556 | be32_to_cpu(readl(mmio_regs + C2_REGS_Q2_SHARED)), | |
557 | C2_MQ_HOST_TARGET); | |
558 | ||
559 | /* Initialize the verbs request allocator */ | |
560 | err = vq_init(c2dev); | |
561 | if (err) | |
562 | goto bail3; | |
563 | ||
564 | /* Enable interrupts on the adapter */ | |
565 | writel(0, c2dev->regs + C2_IDIS); | |
566 | ||
567 | /* create the WR init message */ | |
568 | err = c2_adapter_init(c2dev); | |
569 | if (err) | |
570 | goto bail4; | |
571 | c2dev->init++; | |
572 | ||
573 | /* open an adapter instance */ | |
574 | err = c2_rnic_open(c2dev); | |
575 | if (err) | |
576 | goto bail4; | |
577 | ||
578 | /* Initialize cached the adapter limits */ | |
579 | if (c2_rnic_query(c2dev, &c2dev->props)) | |
580 | goto bail5; | |
581 | ||
582 | /* Initialize the PD pool */ | |
583 | err = c2_init_pd_table(c2dev); | |
584 | if (err) | |
585 | goto bail5; | |
586 | ||
587 | /* Initialize the QP pool */ | |
588 | c2_init_qp_table(c2dev); | |
589 | return 0; | |
590 | ||
591 | bail5: | |
592 | c2_rnic_close(c2dev); | |
593 | bail4: | |
594 | vq_term(c2dev); | |
595 | bail3: | |
8de94ce1 SW |
596 | dma_free_coherent(&c2dev->pcidev->dev, |
597 | c2dev->aeq.q_size * c2dev->aeq.msg_size, | |
598 | q2_pages, pci_unmap_addr(&c2dev->aeq, mapping)); | |
f94b533d | 599 | bail2: |
8de94ce1 SW |
600 | dma_free_coherent(&c2dev->pcidev->dev, |
601 | c2dev->rep_vq.q_size * c2dev->rep_vq.msg_size, | |
602 | q1_pages, pci_unmap_addr(&c2dev->rep_vq, mapping)); | |
f94b533d TT |
603 | bail1: |
604 | c2_free_mqsp_pool(c2dev, c2dev->kern_mqsp_pool); | |
605 | bail0: | |
606 | vfree(c2dev->qptr_array); | |
607 | ||
608 | return err; | |
609 | } | |
610 | ||
611 | /* | |
612 | * Called by c2_remove to cleanup the RNIC resources. | |
613 | */ | |
614 | void c2_rnic_term(struct c2_dev *c2dev) | |
615 | { | |
616 | ||
617 | /* Close the open adapter instance */ | |
618 | c2_rnic_close(c2dev); | |
619 | ||
620 | /* Send the TERM message to the adapter */ | |
621 | c2_adapter_term(c2dev); | |
622 | ||
623 | /* Disable interrupts on the adapter */ | |
624 | writel(1, c2dev->regs + C2_IDIS); | |
625 | ||
626 | /* Free the QP pool */ | |
627 | c2_cleanup_qp_table(c2dev); | |
628 | ||
629 | /* Free the PD pool */ | |
630 | c2_cleanup_pd_table(c2dev); | |
631 | ||
632 | /* Free the verbs request allocator */ | |
633 | vq_term(c2dev); | |
634 | ||
8de94ce1 SW |
635 | /* Free the asynchronus event queue */ |
636 | dma_free_coherent(&c2dev->pcidev->dev, | |
637 | c2dev->aeq.q_size * c2dev->aeq.msg_size, | |
638 | c2dev->aeq.msg_pool.host, | |
639 | pci_unmap_addr(&c2dev->aeq, mapping)); | |
640 | ||
641 | /* Free the verbs reply queue */ | |
642 | dma_free_coherent(&c2dev->pcidev->dev, | |
643 | c2dev->rep_vq.q_size * c2dev->rep_vq.msg_size, | |
644 | c2dev->rep_vq.msg_pool.host, | |
645 | pci_unmap_addr(&c2dev->rep_vq, mapping)); | |
f94b533d TT |
646 | |
647 | /* Free the MQ shared pointer pool */ | |
648 | c2_free_mqsp_pool(c2dev, c2dev->kern_mqsp_pool); | |
649 | ||
650 | /* Free the qptr_array */ | |
651 | vfree(c2dev->qptr_array); | |
652 | ||
653 | return; | |
654 | } |