173 	struct c4iw_cq *chp;  in c4iw_create_cq()  local
177 	chp = calloc(1, sizeof *chp);  in c4iw_create_cq()
178 	if (!chp) {  in c4iw_create_cq()
184 				&chp->ibv_cq, &cmd, sizeof cmd,  in c4iw_create_cq()
193 	ret = pthread_spin_init(&chp->lock, PTHREAD_PROCESS_PRIVATE);  in c4iw_create_cq()
197 	gettimeofday(&chp->time, NULL);  in c4iw_create_cq()
199 	chp->rhp = dev;  in c4iw_create_cq()
200 	chp->cq.qid_mask = resp.qid_mask;  in c4iw_create_cq()
201 	chp->cq.cqid = resp.cqid;  in c4iw_create_cq()
202 	chp->cq.size = resp.size;  in c4iw_create_cq()
203 	chp->cq.memsize = resp.memsize;  in c4iw_create_cq()
204 	chp->cq.gen = 1;  in c4iw_create_cq()
205 	chp->cq.queue = mmap(NULL, chp->cq.memsize, PROT_READ|PROT_WRITE,  in c4iw_create_cq()
207 	if (chp->cq.queue == MAP_FAILED)  in c4iw_create_cq()
210 	chp->cq.ugts = mmap(NULL, c4iw_page_size, PROT_WRITE, MAP_SHARED,  in c4iw_create_cq()
212 	if (chp->cq.ugts == MAP_FAILED)  in c4iw_create_cq()
215 	if (dev_is_t4(chp->rhp))  in c4iw_create_cq()
216 		chp->cq.ugts += 1;  in c4iw_create_cq()
218 		chp->cq.ugts += 5;  in c4iw_create_cq()
219 	chp->cq.sw_queue = calloc(chp->cq.size, sizeof *chp->cq.queue);  in c4iw_create_cq()
220 	if (!chp->cq.sw_queue)  in c4iw_create_cq()
225 	       __func__, chp->cq.cqid, resp.key, chp->cq.queue,  in c4iw_create_cq()
226 	       chp->cq.memsize, resp.gts_key, chp->cq.ugts, chp->cq.qid_mask);  in c4iw_create_cq()
229 	dev->cqid2ptr[chp->cq.cqid] = chp;  in c4iw_create_cq()
232 	return &chp->ibv_cq;  in c4iw_create_cq()
234 	munmap(MASKED(chp->cq.ugts), c4iw_page_size);  in c4iw_create_cq()
236 	munmap(chp->cq.queue, chp->cq.memsize);  in c4iw_create_cq()
238 	pthread_spin_destroy(&chp->lock);  in c4iw_create_cq()
240 	(void)ibv_cmd_destroy_cq(&chp->ibv_cq);  in c4iw_create_cq()
242 	free(chp);  in c4iw_create_cq()
264 	struct c4iw_cq *chp = to_c4iw_cq(ibcq);  in c4iw_destroy_cq()  local
267 	chp->cq.error = 1;  in c4iw_destroy_cq()
273 	munmap(MASKED(chp->cq.ugts), c4iw_page_size);  in c4iw_destroy_cq()
274 	munmap(chp->cq.queue, chp->cq.memsize);  in c4iw_destroy_cq()
277 	dev->cqid2ptr[chp->cq.cqid] = NULL;  in c4iw_destroy_cq()
280 	free(chp->cq.sw_queue);  in c4iw_destroy_cq()
281 	pthread_spin_destroy(&chp->lock);  in c4iw_destroy_cq()
282 	free(chp);  in c4iw_destroy_cq()