summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/hw/mlx4/mlx4_ib.h
diff options
context:
space:
mode:
authorShani Michaeli <shanim@mellanox.com>2013-02-06 17:19:14 +0100
committerRoland Dreier <roland@purestorage.com>2013-02-25 19:44:32 +0100
commit804d6a89a5c0b076317966bcbcd7a63d42241831 (patch)
tree07360d8b8c6f099bfc5007b951844a133d4c43bd /drivers/infiniband/hw/mlx4/mlx4_ib.h
parentmlx4_core: Enable memory windows in {INIT, QUERY}_HCA (diff)
downloadlinux-804d6a89a5c0b076317966bcbcd7a63d42241831.tar.xz
linux-804d6a89a5c0b076317966bcbcd7a63d42241831.zip
mlx4: Implement memory windows allocation and deallocation
Implement MW allocation and deallocation in mlx4_core and mlx4_ib. Pass down the enable bind flag when registering memory regions. Signed-off-by: Haggai Eran <haggaie@mellanox.com> Signed-off-by: Shani Michaeli <shanim@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx4/mlx4_ib.h')
-rw-r--r--drivers/infiniband/hw/mlx4/mlx4_ib.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index cce5dde94bc1..9ba0aaf3a58e 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -116,6 +116,11 @@ struct mlx4_ib_mr {
struct ib_umem *umem;
};
+struct mlx4_ib_mw {
+ struct ib_mw ibmw;
+ struct mlx4_mw mmw;
+};
+
struct mlx4_ib_fast_reg_page_list {
struct ib_fast_reg_page_list ibfrpl;
__be64 *mapped_page_list;
@@ -533,6 +538,11 @@ static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
return container_of(ibmr, struct mlx4_ib_mr, ibmr);
}
+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_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
{
return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
@@ -581,6 +591,8 @@ struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int access_flags,
struct ib_udata *udata);
int mlx4_ib_dereg_mr(struct ib_mr *mr);
+struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
+int mlx4_ib_dealloc_mw(struct ib_mw *mw);
struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
int max_page_list_len);
struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,