Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma updates from Jason Gunthorpe:
 "This has been a slightly more active cycle than normal with ongoing
  core changes and quite a lot of collected driver updates.

   - Various driver fixes for bnxt_re, cxgb4, hns, mlx5, pvrdma, rxe

   - A new data transfer mode for HFI1 giving higher performance

   - Significant functional and bug fix update to the mlx5
     On-Demand-Paging MR feature

   - A chip hang reset recovery system for hns

   - Change mm->pinned_vm to an atomic64

   - Update bnxt_re to support a new 57500 chip

   - A sane netlink 'rdma link add' method for creating rxe devices and
     fixing the various unregistration race conditions in rxe's
     unregister flow

   - Allow lookup up objects by an ID over netlink

   - Various reworking of the core to driver interface:
       - drivers should not assume umem SGLs are in PAGE_SIZE chunks
       - ucontext is accessed via udata not other means
       - start to make the core code responsible for object memory
         allocation
       - drivers should convert struct device to struct ib_device via a
         helper
       - drivers have more tools to avoid use after unregister problems"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (280 commits)
  net/mlx5: ODP support for XRC transport is not enabled by default in FW
  IB/hfi1: Close race condition on user context disable and close
  RDMA/umem: Revert broken 'off by one' fix
  RDMA/umem: minor bug fix in error handling path
  RDMA/hns: Use GFP_ATOMIC in hns_roce_v2_modify_qp
  cxgb4: kfree mhp after the debug print
  IB/rdmavt: Fix concurrency panics in QP post_send and modify to error
  IB/rdmavt: Fix loopback send with invalidate ordering
  IB/iser: Fix dma_nents type definition
  IB/mlx5: Set correct write permissions for implicit ODP MR
  bnxt_re: Clean cq for kernel consumers only
  RDMA/uverbs: Don't do double free of allocated PD
  RDMA: Handle ucontext allocations by IB/core
  RDMA/core: Fix a WARN() message
  bnxt_re: fix the regression due to changes in alloc_pbl
  IB/mlx4: Increase the timeout for CM cache
  IB/core: Abort page fault handler silently during owning process exit
  IB/mlx5: Validate correct PD before prefetch MR
  IB/mlx5: Protect against prefetch of invalid MR
  RDMA/uverbs: Store PR pointer before it is overwritten
  ...

1 files changed, 12 insertions, 22 deletions

diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c
index aef3aa3fe667..42c9d35f832d 100644
--- a/drivers/infiniband/sw/rdmavt/vt.c
+++ b/drivers/infiniband/sw/rdmavt/vt.c
@@ -91,7 +91,7 @@ struct rvt_dev_info *rvt_alloc_device(size_t size, int nports)
 {
 	struct rvt_dev_info *rdi;
 
-	rdi = (struct rvt_dev_info *)ib_alloc_device(size);
+	rdi = container_of(_ib_alloc_device(size), struct rvt_dev_info, ibdev);
 	if (!rdi)
 		return rdi;
 
@@ -284,10 +284,6 @@ static int rvt_query_gid(struct ib_device *ibdev, u8 port_num,
 					 &gid->global.interface_id);
 }
 
-struct rvt_ucontext {
-	struct ib_ucontext ibucontext;
-};
-
 static inline struct rvt_ucontext *to_iucontext(struct ib_ucontext
 						*ibucontext)
 {
@@ -296,28 +292,21 @@ static inline struct rvt_ucontext *to_iucontext(struct ib_ucontext
 
 /**
  * rvt_alloc_ucontext - Allocate a user context
- * @ibdev: Verbs IB dev
+ * @uctx: Verbs context
  * @udata: User data allocated
  */
-static struct ib_ucontext *rvt_alloc_ucontext(struct ib_device *ibdev,
-					      struct ib_udata *udata)
+static int rvt_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata)
 {
-	struct rvt_ucontext *context;
-
-	context = kmalloc(sizeof(*context), GFP_KERNEL);
-	if (!context)
-		return ERR_PTR(-ENOMEM);
-	return &context->ibucontext;
+	return 0;
 }
 
 /**
- *rvt_dealloc_ucontext - Free a user context
- *@context - Free this
+ * rvt_dealloc_ucontext - Free a user context
+ * @context - Free this
  */
-static int rvt_dealloc_ucontext(struct ib_ucontext *context)
+static void rvt_dealloc_ucontext(struct ib_ucontext *context)
 {
-	kfree(to_iucontext(context));
-	return 0;
+	return;
 }
 
 static int rvt_get_port_immutable(struct ib_device *ibdev, u8 port_num,
@@ -436,6 +425,8 @@ static const struct ib_device_ops rvt_dev_ops = {
 	.req_notify_cq = rvt_req_notify_cq,
 	.resize_cq = rvt_resize_cq,
 	.unmap_fmr = rvt_unmap_fmr,
+	INIT_RDMA_OBJ_SIZE(ib_pd, rvt_pd, ibpd),
+	INIT_RDMA_OBJ_SIZE(ib_ucontext, rvt_ucontext, ibucontext),
 };
 
 static noinline int check_support(struct rvt_dev_info *rdi, int verb)
@@ -446,7 +437,7 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb)
 		 * These functions are not part of verbs specifically but are
 		 * required for rdmavt to function.
 		 */
-		if ((!rdi->driver_f.port_callback) ||
+		if ((!rdi->ibdev.ops.init_port) ||
 		    (!rdi->driver_f.get_pci_dev))
 			return -EINVAL;
 		break;
@@ -644,8 +635,7 @@ int rvt_register_device(struct rvt_dev_info *rdi, u32 driver_id)
 
 	rdi->ibdev.driver_id = driver_id;
 	/* We are now good to announce we exist */
-	ret = ib_register_device(&rdi->ibdev, dev_name(&rdi->ibdev.dev),
-				 rdi->driver_f.port_callback);
+	ret = ib_register_device(&rdi->ibdev, dev_name(&rdi->ibdev.dev));
 	if (ret) {
 		rvt_pr_err(rdi, "Failed to register driver with ib core.\n");
 		goto bail_wss;