+ if (ib_query_device(device, dev_attr)) {
+ printk(KERN_WARNING PFX "Query device failed for %s\n",
+ device->name);
+ goto free_attr;
+ }
+
+ srp_dev = kmalloc(sizeof *srp_dev, GFP_KERNEL);
+ if (!srp_dev)
+ goto free_attr;
+
+ /*
+ * Use the smallest page size supported by the HCA, down to a
+ * minimum of 512 bytes (which is the smallest sector that a
+ * SCSI command will ever carry).
+ */
+ srp_dev->fmr_page_shift = max(9, ffs(dev_attr->page_size_cap) - 1);
+ srp_dev->fmr_page_size = 1 << srp_dev->fmr_page_shift;
+ srp_dev->fmr_page_mask = ~((unsigned long) srp_dev->fmr_page_size - 1);
+
+ INIT_LIST_HEAD(&srp_dev->dev_list);
+
+ srp_dev->dev = device;
+ srp_dev->pd = ib_alloc_pd(device);
+ if (IS_ERR(srp_dev->pd))
+ goto free_dev;
+
+ srp_dev->mr = ib_get_dma_mr(srp_dev->pd,
+ IB_ACCESS_LOCAL_WRITE |
+ IB_ACCESS_REMOTE_READ |
+ IB_ACCESS_REMOTE_WRITE);
+ if (IS_ERR(srp_dev->mr))
+ goto err_pd;
+
+ memset(&fmr_param, 0, sizeof fmr_param);
+ fmr_param.pool_size = SRP_FMR_POOL_SIZE;
+ fmr_param.dirty_watermark = SRP_FMR_DIRTY_SIZE;
+ fmr_param.cache = 1;
+ fmr_param.max_pages_per_fmr = SRP_FMR_SIZE;
+ fmr_param.page_shift = srp_dev->fmr_page_shift;
+ fmr_param.access = (IB_ACCESS_LOCAL_WRITE |
+ IB_ACCESS_REMOTE_WRITE |
+ IB_ACCESS_REMOTE_READ);
+
+ srp_dev->fmr_pool = ib_create_fmr_pool(srp_dev->pd, &fmr_param);
+ if (IS_ERR(srp_dev->fmr_pool))
+ srp_dev->fmr_pool = NULL;