cxgbe/iw_cxgbe/device.c

49 c4iw_release_dev_ucontext(struct c4iw_rdev *rdev,
59 		if (!(entry->qid & rdev->qpmask)) {
60 			c4iw_put_resource(&rdev->resource.qid_table,
62 			mutex_lock(&rdev->stats.lock);
63 			rdev->stats.qid.cur -= rdev->qpmask + 1;
64 			mutex_unlock(&rdev->stats.lock);
78 c4iw_init_dev_ucontext(struct c4iw_rdev *rdev, struct c4iw_dev_ucontext *uctx)
87 c4iw_rdev_open(struct c4iw_rdev *rdev)
89 	struct adapter *sc = rdev->adap;
96 	c4iw_init_dev_ucontext(rdev, &rdev->uctx);
119 	rdev->qpshift = PAGE_SHIFT - sp->eq_s_qpp;
120 	rdev->qpmask = udb_density - 1;
121 	rdev->cqshift = PAGE_SHIFT - sp->iq_s_qpp;
122 	rdev->cqmask = ucq_density - 1;
124 	if (c4iw_num_stags(rdev) == 0) {
129 	rdev->stats.pd.total = T4_MAX_NUM_PD;
130 	rdev->stats.stag.total = sc->vres.stag.size;
131 	rdev->stats.pbl.total = sc->vres.pbl.size;
132 	rdev->stats.rqt.total = sc->vres.rq.size;
133 	rdev->stats.qid.total = sc->vres.qp.size;
135 	rc = c4iw_init_resource(rdev, c4iw_num_stags(rdev), T4_MAX_NUM_PD);
140 	rc = c4iw_pblpool_create(rdev);
145 	rc = c4iw_rqtpool_create(rdev);
150 	rdev->status_page = (struct t4_dev_status_page *)
152 	if (!rdev->status_page) {
156 	rdev->status_page->qp_start = sc->vres.qp.start;
157 	rdev->status_page->qp_size = sc->vres.qp.size;
158 	rdev->status_page->cq_start = sc->vres.cq.start;
159 	rdev->status_page->cq_size = sc->vres.cq.size;
164 	rdev->status_page->db_off = 0;
166 	rdev->status_page->wc_supported = rdev->adap->iwt.wc_en;
168 	rdev->free_workq = create_singlethread_workqueue("iw_cxgb4_free");
169 	if (!rdev->free_workq) {
175 	free_page((unsigned long)rdev->status_page);
177 	c4iw_rqtpool_destroy(rdev);
179 	c4iw_pblpool_destroy(rdev);
181 	c4iw_destroy_resource(&rdev->resource);
186 static void c4iw_rdev_close(struct c4iw_rdev *rdev)
188 	free_page((unsigned long)rdev->status_page);
189 	c4iw_pblpool_destroy(rdev);
190 	c4iw_rqtpool_destroy(rdev);
191 	c4iw_destroy_resource(&rdev->resource);
198 	c4iw_rdev_close(&iwsc->rdev);
216 	iwsc->rdev.adap = sc;
219 	iwsc->rdev.hw_queue.t4_eq_status_entries =
221 	iwsc->rdev.hw_queue.t4_max_eq_size = 65520;
222 	iwsc->rdev.hw_queue.t4_max_iq_size = 65520;
223 	iwsc->rdev.hw_queue.t4_max_rq_size = 8192 -
224 		iwsc->rdev.hw_queue.t4_eq_status_entries - 1;
225 	iwsc->rdev.hw_queue.t4_max_sq_size =
226 		iwsc->rdev.hw_queue.t4_max_eq_size -
227 		iwsc->rdev.hw_queue.t4_eq_status_entries - 1;
228 	iwsc->rdev.hw_queue.t4_max_qp_depth =
229 		iwsc->rdev.hw_queue.t4_max_rq_size;
230 	iwsc->rdev.hw_queue.t4_max_cq_depth =
231 		iwsc->rdev.hw_queue.t4_max_iq_size - 2;
232 	iwsc->rdev.hw_queue.t4_stat_len = iwsc->rdev.adap->params.sge.spg_len;
237 	iwsc->rdev.bar2_kva = (void __iomem *)((u64)iwsc->rdev.adap->udbs_base);
238 	iwsc->rdev.bar2_pa = vtophys(iwsc->rdev.adap->udbs_base);
239 	iwsc->rdev.bar2_len = rman_get_size(iwsc->rdev.adap->udbs_res);
241 	rc = c4iw_rdev_open(&iwsc->rdev);
243 		device_printf(sc->dev, "Unable to open CXIO rdev (%d)\n", rc);
252 	mutex_init(&iwsc->rdev.stats.lock);
253 	iwsc->avail_ird = iwsc->rdev.adap->params.max_ird_adapter;