1 files changed, 24 insertions, 35 deletions

diff --git a/drivers/infiniband/hw/hns/hns_roce_pd.c b/drivers/infiniband/hw/hns/hns_roce_pd.c
index ea5663630985..225c3e328e0e 100644
--- a/drivers/infiniband/hw/hns/hns_roce_pd.c
+++ b/drivers/infiniband/hw/hns/hns_roce_pd.c
@@ -30,8 +30,6 @@
  * SOFTWARE.
  */
 
-#include <linux/platform_device.h>
-#include <linux/pci.h>
 #include "hns_roce_device.h"
 
 void hns_roce_init_pd_table(struct hns_roce_dev *hr_dev)
@@ -85,13 +83,17 @@ int hns_roce_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata)
 
 int hns_roce_uar_alloc(struct hns_roce_dev *hr_dev, struct hns_roce_uar *uar)
 {
-	struct resource *res;
-	int ret;
+	struct hns_roce_ida *uar_ida = &hr_dev->uar_ida;
+	int id;
 
 	/* Using bitmap to manager UAR index */
-	ret = hns_roce_bitmap_alloc(&hr_dev->uar_table.bitmap, &uar->logic_idx);
-	if (ret)
+	id = ida_alloc_range(&uar_ida->ida, uar_ida->min, uar_ida->max,
+			     GFP_KERNEL);
+	if (id < 0) {
+		ibdev_err(&hr_dev->ib_dev, "failed to alloc uar id(%d).\n", id);
 		return -ENOMEM;
+	}
+	uar->logic_idx = (unsigned long)id;
 
 	if (uar->logic_idx > 0 && hr_dev->caps.phy_num_uars > 1)
 		uar->index = (uar->logic_idx - 1) %
@@ -99,37 +101,20 @@ int hns_roce_uar_alloc(struct hns_roce_dev *hr_dev, struct hns_roce_uar *uar)
 	else
 		uar->index = 0;
 
-	if (!dev_is_pci(hr_dev->dev)) {
-		res = platform_get_resource(hr_dev->pdev, IORESOURCE_MEM, 0);
-		if (!res) {
-			dev_err(&hr_dev->pdev->dev, "memory resource not found!\n");
-			return -EINVAL;
-		}
-		uar->pfn = ((res->start) >> PAGE_SHIFT) + uar->index;
-	} else {
-		uar->pfn = ((pci_resource_start(hr_dev->pci_dev, 2))
-			   >> PAGE_SHIFT);
-	}
+	uar->pfn = ((pci_resource_start(hr_dev->pci_dev, 2)) >> PAGE_SHIFT);
+	if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_DIRECT_WQE)
+		hr_dev->dwqe_page = pci_resource_start(hr_dev->pci_dev, 4);
 
 	return 0;
 }
 
-void hns_roce_uar_free(struct hns_roce_dev *hr_dev, struct hns_roce_uar *uar)
+void hns_roce_init_uar_table(struct hns_roce_dev *hr_dev)
 {
-	hns_roce_bitmap_free(&hr_dev->uar_table.bitmap, uar->logic_idx);
-}
+	struct hns_roce_ida *uar_ida = &hr_dev->uar_ida;
 
-int hns_roce_init_uar_table(struct hns_roce_dev *hr_dev)
-{
-	return hns_roce_bitmap_init(&hr_dev->uar_table.bitmap,
-				    hr_dev->caps.num_uars,
-				    hr_dev->caps.num_uars - 1,
-				    hr_dev->caps.reserved_uars, 0);
-}
-
-void hns_roce_cleanup_uar_table(struct hns_roce_dev *hr_dev)
-{
-	hns_roce_bitmap_cleanup(&hr_dev->uar_table.bitmap);
+	ida_init(&uar_ida->ida);
+	uar_ida->max = hr_dev->caps.num_uars - 1;
+	uar_ida->min = hr_dev->caps.reserved_uars;
 }
 
 static int hns_roce_xrcd_alloc(struct hns_roce_dev *hr_dev, u32 *xrcdn)
@@ -163,14 +148,18 @@ int hns_roce_alloc_xrcd(struct ib_xrcd *ib_xrcd, struct ib_udata *udata)
 	struct hns_roce_xrcd *xrcd = to_hr_xrcd(ib_xrcd);
 	int ret;
 
-	if (!(hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_XRC))
-		return -EINVAL;
+	if (!(hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_XRC)) {
+		ret = -EOPNOTSUPP;
+		goto err_out;
+	}
 
 	ret = hns_roce_xrcd_alloc(hr_dev, &xrcd->xrcdn);
+
+err_out:
 	if (ret)
-		return ret;
+		atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_XRCD_ALLOC_ERR_CNT]);
 
-	return 0;
+	return ret;
 }
 
 int hns_roce_dealloc_xrcd(struct ib_xrcd *ib_xrcd, struct ib_udata *udata)