84 static void disable_dbs(struct iwch_dev *rnicp)  in disable_dbs()  argument
86 	spin_lock_irq(&rnicp->lock);  in disable_dbs()
87 	idr_for_each(&rnicp->qpidr, disable_qp_db, NULL);  in disable_dbs()
88 	spin_unlock_irq(&rnicp->lock);  in disable_dbs()
91 static void enable_dbs(struct iwch_dev *rnicp, int ring_db)  in enable_dbs()  argument
93 	spin_lock_irq(&rnicp->lock);  in enable_dbs()
94 	idr_for_each(&rnicp->qpidr, enable_qp_db,  in enable_dbs()
96 	spin_unlock_irq(&rnicp->lock);  in enable_dbs()
101 	struct iwch_dev *rnicp = container_of(work, struct iwch_dev,  in iwch_db_drop_task()  local
103 	enable_dbs(rnicp, 1);  in iwch_db_drop_task()
106 static void rnic_init(struct iwch_dev *rnicp)  in rnic_init()  argument
108 	PDBG("%s iwch_dev %p\n", __func__,  rnicp);  in rnic_init()
109 	idr_init(&rnicp->cqidr);  in rnic_init()
110 	idr_init(&rnicp->qpidr);  in rnic_init()
111 	idr_init(&rnicp->mmidr);  in rnic_init()
112 	spin_lock_init(&rnicp->lock);  in rnic_init()
113 	INIT_DELAYED_WORK(&rnicp->db_drop_task, iwch_db_drop_task);  in rnic_init()
115 	rnicp->attr.max_qps = T3_MAX_NUM_QP - 32;  in rnic_init()
116 	rnicp->attr.max_wrs = T3_MAX_QP_DEPTH;  in rnic_init()
117 	rnicp->attr.max_sge_per_wr = T3_MAX_SGE;  in rnic_init()
118 	rnicp->attr.max_sge_per_rdma_write_wr = T3_MAX_SGE;  in rnic_init()
119 	rnicp->attr.max_cqs = T3_MAX_NUM_CQ - 1;  in rnic_init()
120 	rnicp->attr.max_cqes_per_cq = T3_MAX_CQ_DEPTH;  in rnic_init()
121 	rnicp->attr.max_mem_regs = cxio_num_stags(&rnicp->rdev);  in rnic_init()
122 	rnicp->attr.max_phys_buf_entries = T3_MAX_PBL_SIZE;  in rnic_init()
123 	rnicp->attr.max_pds = T3_MAX_NUM_PD - 1;  in rnic_init()
124 	rnicp->attr.mem_pgsizes_bitmask = T3_PAGESIZE_MASK;  in rnic_init()
125 	rnicp->attr.max_mr_size = T3_MAX_MR_SIZE;  in rnic_init()
126 	rnicp->attr.can_resize_wq = 0;  in rnic_init()
127 	rnicp->attr.max_rdma_reads_per_qp = 8;  in rnic_init()
128 	rnicp->attr.max_rdma_read_resources =  in rnic_init()
129 	    rnicp->attr.max_rdma_reads_per_qp * rnicp->attr.max_qps;  in rnic_init()
130 	rnicp->attr.max_rdma_read_qp_depth = 8;	/* IRD */  in rnic_init()
131 	rnicp->attr.max_rdma_read_depth =  in rnic_init()
132 	    rnicp->attr.max_rdma_read_qp_depth * rnicp->attr.max_qps;  in rnic_init()
133 	rnicp->attr.rq_overflow_handled = 0;  in rnic_init()
134 	rnicp->attr.can_modify_ird = 0;  in rnic_init()
135 	rnicp->attr.can_modify_ord = 0;  in rnic_init()
136 	rnicp->attr.max_mem_windows = rnicp->attr.max_mem_regs - 1;  in rnic_init()
137 	rnicp->attr.stag0_value = 1;  in rnic_init()
138 	rnicp->attr.zbva_support = 1;  in rnic_init()
139 	rnicp->attr.local_invalidate_fence = 1;  in rnic_init()
140 	rnicp->attr.cq_overflow_detection = 1;  in rnic_init()
146 	struct iwch_dev *rnicp;  in open_rnic_dev()  local
151 	rnicp = (struct iwch_dev *)ib_alloc_device(sizeof(*rnicp));  in open_rnic_dev()
152 	if (!rnicp) {  in open_rnic_dev()
156 	rnicp->rdev.ulp = rnicp;  in open_rnic_dev()
157 	rnicp->rdev.t3cdev_p = tdev;  in open_rnic_dev()
161 	if (cxio_rdev_open(&rnicp->rdev)) {  in open_rnic_dev()
164 		ib_dealloc_device(&rnicp->ibdev);  in open_rnic_dev()
168 	rnic_init(rnicp);  in open_rnic_dev()
170 	list_add_tail(&rnicp->entry, &dev_list);  in open_rnic_dev()
173 	if (iwch_register_device(rnicp)) {  in open_rnic_dev()
178 	       pci_name(rnicp->rdev.rnic_info.pdev));  in open_rnic_dev()
208 	struct iwch_dev *rnicp;  in iwch_event_handler()  local
215 	rnicp = rdev_to_iwch_dev(rdev);  in iwch_event_handler()
235 		disable_dbs(rnicp);  in iwch_event_handler()
239 		enable_dbs(rnicp, 1);  in iwch_event_handler()
246 		disable_dbs(rnicp);  in iwch_event_handler()
253 		schedule_delayed_work(&rnicp->db_drop_task,  in iwch_event_handler()
260 		event.device = &rnicp->ibdev;  in iwch_event_handler()