5 files changed, 11 insertions, 128 deletions

diff --git a/drivers/infiniband/hw/mlx4/Kconfig b/drivers/infiniband/hw/mlx4/Kconfig
index cc7c42fe6499..f30ce9dd080a 100644
--- a/drivers/infiniband/hw/mlx4/Kconfig
+++ b/drivers/infiniband/hw/mlx4/Kconfig
@@ -4,7 +4,7 @@ config MLX4_INFINIBAND
 	depends on NETDEVICES && ETHERNET && PCI && INET
 	select NET_VENDOR_MELLANOX
 	select MLX4_CORE
-	---help---
+	help
 	  This driver provides low-level InfiniBand support for
 	  Mellanox ConnectX PCI Express host channel adapters (HCAs).
 	  This is required to use InfiniBand protocols such as
diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c
index 02a169f8027b..5f8f8d5c0ce0 100644
--- a/drivers/infiniband/hw/mlx4/ah.c
+++ b/drivers/infiniband/hw/mlx4/ah.c
@@ -141,10 +141,11 @@ static int create_iboe_ah(struct ib_ah *ib_ah, struct rdma_ah_attr *ah_attr)
 	return 0;
 }
 
-int mlx4_ib_create_ah(struct ib_ah *ib_ah, struct rdma_ah_attr *ah_attr,
-		      u32 flags, struct ib_udata *udata)
-
+int mlx4_ib_create_ah(struct ib_ah *ib_ah, struct rdma_ah_init_attr *init_attr,
+		      struct ib_udata *udata)
 {
+	struct rdma_ah_attr *ah_attr = init_attr->ah_attr;
+
 	if (ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) {
 		if (!(rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH))
 			return -EINVAL;
@@ -167,12 +168,14 @@ int mlx4_ib_create_ah_slave(struct ib_ah *ah, struct rdma_ah_attr *ah_attr,
 			    int slave_sgid_index, u8 *s_mac, u16 vlan_tag)
 {
 	struct rdma_ah_attr slave_attr = *ah_attr;
+	struct rdma_ah_init_attr init_attr = {};
 	struct mlx4_ib_ah *mah = to_mah(ah);
 	int ret;
 
 	slave_attr.grh.sgid_attr = NULL;
 	slave_attr.grh.sgid_index = slave_sgid_index;
-	ret = mlx4_ib_create_ah(ah, &slave_attr, 0, NULL);
+	init_attr.ah_attr = &slave_attr;
+	ret = mlx4_ib_create_ah(ah, &init_attr, NULL);
 	if (ret)
 		return ret;
 
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 275722cec8c6..816d28854a8e 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -558,7 +558,6 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
 	props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm;
 	props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
 					   props->max_mcast_grp;
-	props->max_map_per_fmr = dev->dev->caps.max_fmr_maps;
 	props->hca_core_clock = dev->dev->caps.hca_core_clock * 1000UL;
 	props->timestamp_mask = 0xFFFFFFFFFFFFULL;
 	props->max_ah = INT_MAX;
@@ -2600,13 +2599,6 @@ static const struct ib_device_ops mlx4_ib_dev_wq_ops = {
 	.modify_wq = mlx4_ib_modify_wq,
 };
 
-static const struct ib_device_ops mlx4_ib_dev_fmr_ops = {
-	.alloc_fmr = mlx4_ib_fmr_alloc,
-	.dealloc_fmr = mlx4_ib_fmr_dealloc,
-	.map_phys_fmr = mlx4_ib_map_phys_fmr,
-	.unmap_fmr = mlx4_ib_unmap_fmr,
-};
-
 static const struct ib_device_ops mlx4_ib_dev_mw_ops = {
 	.alloc_mw = mlx4_ib_alloc_mw,
 	.dealloc_mw = mlx4_ib_dealloc_mw,
@@ -2724,9 +2716,6 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
 		ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_wq_ops);
 	}
 
-	if (!mlx4_is_slave(ibdev->dev))
-		ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_fmr_ops);
-
 	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW ||
 	    dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) {
 		ibdev->ib_dev.uverbs_cmd_mask |=
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index d188573187fa..6f4ea1067095 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -146,11 +146,6 @@ struct mlx4_ib_mw {
 	struct mlx4_mw		mmw;
 };
 
-struct mlx4_ib_fmr {
-	struct ib_fmr           ibfmr;
-	struct mlx4_fmr         mfmr;
-};
-
 #define MAX_REGS_PER_FLOW 2
 
 struct mlx4_flow_reg_id {
@@ -679,11 +674,6 @@ static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
 	return container_of(ibmw, struct mlx4_ib_mw, ibmw);
 }
 
-static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
-{
-	return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
-}
-
 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
 {
 	return container_of(ibflow, struct mlx4_ib_flow, ibflow);
@@ -752,7 +742,7 @@ int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
 
-int mlx4_ib_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
+int mlx4_ib_create_ah(struct ib_ah *ah, struct rdma_ah_init_attr *init_attr,
 		      struct ib_udata *udata);
 int mlx4_ib_create_ah_slave(struct ib_ah *ah, struct rdma_ah_attr *ah_attr,
 			    int slave_sgid_index, u8 *s_mac, u16 vlan_tag);
@@ -794,12 +784,6 @@ int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
 
-struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
-				  struct ib_fmr_attr *fmr_attr);
-int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
-			 u64 iova);
-int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
-int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
 			 struct ib_port_attr *props, int netw_view);
 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index b0121c90c561..7e0b205c05eb 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -380,7 +380,7 @@ static struct ib_umem *mlx4_get_umem_mr(struct ib_device *device, u64 start,
 		unsigned long untagged_start = untagged_addr(start);
 		struct vm_area_struct *vma;
 
-		down_read(&current->mm->mmap_sem);
+		mmap_read_lock(current->mm);
 		/*
 		 * FIXME: Ideally this would iterate over all the vmas that
 		 * cover the memory, but for now it requires a single vma to
@@ -395,7 +395,7 @@ static struct ib_umem *mlx4_get_umem_mr(struct ib_device *device, u64 start,
 			access_flags |= IB_ACCESS_LOCAL_WRITE;
 		}
 
-		up_read(&current->mm->mmap_sem);
+		mmap_read_unlock(current->mm);
 	}
 
 	return ib_umem_get(device, start, length, access_flags);
@@ -698,99 +698,6 @@ err_free:
 	return ERR_PTR(err);
 }
 
-struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int acc,
-				 struct ib_fmr_attr *fmr_attr)
-{
-	struct mlx4_ib_dev *dev = to_mdev(pd->device);
-	struct mlx4_ib_fmr *fmr;
-	int err = -ENOMEM;
-
-	fmr = kmalloc(sizeof *fmr, GFP_KERNEL);
-	if (!fmr)
-		return ERR_PTR(-ENOMEM);
-
-	err = mlx4_fmr_alloc(dev->dev, to_mpd(pd)->pdn, convert_access(acc),
-			     fmr_attr->max_pages, fmr_attr->max_maps,
-			     fmr_attr->page_shift, &fmr->mfmr);
-	if (err)
-		goto err_free;
-
-	err = mlx4_fmr_enable(to_mdev(pd->device)->dev, &fmr->mfmr);
-	if (err)
-		goto err_mr;
-
-	fmr->ibfmr.rkey = fmr->ibfmr.lkey = fmr->mfmr.mr.key;
-
-	return &fmr->ibfmr;
-
-err_mr:
-	(void) mlx4_mr_free(to_mdev(pd->device)->dev, &fmr->mfmr.mr);
-
-err_free:
-	kfree(fmr);
-
-	return ERR_PTR(err);
-}
-
-int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
-		      int npages, u64 iova)
-{
-	struct mlx4_ib_fmr *ifmr = to_mfmr(ibfmr);
-	struct mlx4_ib_dev *dev = to_mdev(ifmr->ibfmr.device);
-
-	return mlx4_map_phys_fmr(dev->dev, &ifmr->mfmr, page_list, npages, iova,
-				 &ifmr->ibfmr.lkey, &ifmr->ibfmr.rkey);
-}
-
-int mlx4_ib_unmap_fmr(struct list_head *fmr_list)
-{
-	struct ib_fmr *ibfmr;
-	int err;
-	struct mlx4_dev *mdev = NULL;
-
-	list_for_each_entry(ibfmr, fmr_list, list) {
-		if (mdev && to_mdev(ibfmr->device)->dev != mdev)
-			return -EINVAL;
-		mdev = to_mdev(ibfmr->device)->dev;
-	}
-
-	if (!mdev)
-		return 0;
-
-	list_for_each_entry(ibfmr, fmr_list, list) {
-		struct mlx4_ib_fmr *ifmr = to_mfmr(ibfmr);
-
-		mlx4_fmr_unmap(mdev, &ifmr->mfmr, &ifmr->ibfmr.lkey, &ifmr->ibfmr.rkey);
-	}
-
-	/*
-	 * Make sure all MPT status updates are visible before issuing
-	 * SYNC_TPT firmware command.
-	 */
-	wmb();
-
-	err = mlx4_SYNC_TPT(mdev);
-	if (err)
-		pr_warn("SYNC_TPT error %d when "
-		       "unmapping FMRs\n", err);
-
-	return 0;
-}
-
-int mlx4_ib_fmr_dealloc(struct ib_fmr *ibfmr)
-{
-	struct mlx4_ib_fmr *ifmr = to_mfmr(ibfmr);
-	struct mlx4_ib_dev *dev = to_mdev(ibfmr->device);
-	int err;
-
-	err = mlx4_fmr_free(dev->dev, &ifmr->mfmr);
-
-	if (!err)
-		kfree(ifmr);
-
-	return err;
-}
-
 static int mlx4_set_page(struct ib_mr *ibmr, u64 addr)
 {
 	struct mlx4_ib_mr *mr = to_mmr(ibmr);