diff mbox

[WIP,07/43] qib: Support ib_alloc_mr verb

Message ID 1437548143-24893-8-git-send-email-sagig@mellanox.com (mailing list archive)
State RFC
Headers show

Commit Message

Sagi Grimberg July 22, 2015, 6:55 a.m. UTC 
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
---
 drivers/infiniband/hw/qib/qib_mr.c    | 23 +++++++++++++++++++++++
 drivers/infiniband/hw/qib/qib_verbs.c |  1 +
 drivers/infiniband/hw/qib/qib_verbs.h |  5 +++++
 3 files changed, 29 insertions(+)
diff mbox

Patch

diff --git a/drivers/infiniband/hw/qib/qib_mr.c b/drivers/infiniband/hw/qib/qib_mr.c
index c4473db..1522255 100644
--- a/drivers/infiniband/hw/qib/qib_mr.c
+++ b/drivers/infiniband/hw/qib/qib_mr.c
@@ -327,6 +327,29 @@  out:
  *
  * Return the memory region on success, otherwise return an errno.
  */
+struct ib_mr *qib_alloc_mr(struct ib_pd *pd,
+			   enum ib_mr_type mr_type,
+			   u32 max_entries,
+			   u32 flags)
+{
+	struct qib_mr *mr;
+
+	if (mr_type != IB_MR_TYPE_FAST_REG || flags)
+		return ERR_PTR(-EINVAL);
+
+	mr = alloc_mr(max_entries, pd);
+	if (IS_ERR(mr))
+		return (struct ib_mr *)mr;
+
+	return &mr->ibmr;
+}
+
+/*
+ * Allocate a memory region usable with the
+ * IB_WR_FAST_REG_MR send work request.
+ *
+ * Return the memory region on success, otherwise return an errno.
+ */
 struct ib_mr *qib_alloc_fast_reg_mr(struct ib_pd *pd, int max_page_list_len)
 {
 	struct qib_mr *mr;
diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
index a05d1a3..323666b 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -2235,6 +2235,7 @@  int qib_register_ib_device(struct qib_devdata *dd)
 	ibdev->reg_phys_mr = qib_reg_phys_mr;
 	ibdev->reg_user_mr = qib_reg_user_mr;
 	ibdev->dereg_mr = qib_dereg_mr;
+	ibdev->alloc_mr = qib_alloc_mr;
 	ibdev->alloc_fast_reg_mr = qib_alloc_fast_reg_mr;
 	ibdev->alloc_fast_reg_page_list = qib_alloc_fast_reg_page_list;
 	ibdev->free_fast_reg_page_list = qib_free_fast_reg_page_list;
diff --git a/drivers/infiniband/hw/qib/qib_verbs.h b/drivers/infiniband/hw/qib/qib_verbs.h
index 1635572..034510c 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.h
+++ b/drivers/infiniband/hw/qib/qib_verbs.h
@@ -1032,6 +1032,11 @@  struct ib_mr *qib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 
 int qib_dereg_mr(struct ib_mr *ibmr);
 
+struct ib_mr *qib_alloc_mr(struct ib_pd *pd,
+			   enum ib_mr_type mr_type,
+			   u32 max_entries,
+			   u32 flags);
+
 struct ib_mr *qib_alloc_fast_reg_mr(struct ib_pd *pd, int max_page_list_len);
 
 struct ib_fast_reg_page_list *qib_alloc_fast_reg_page_list(