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mlx4: Support ib_alloc_mr verb

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Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Sagi Grimberg 2015-07-30 10:32:42 +03:00 • committed by Doug Ledford
parent b3778ba8de
commit 679e34d1d0
3 changed files with 12 additions and 6 deletions
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2
drivers/infiniband/hw/mlx4/main.c
View file

@ -2294,7 +2294,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr; ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr;
ibdev->ib_dev.rereg_user_mr = mlx4_ib_rereg_user_mr; ibdev->ib_dev.rereg_user_mr = mlx4_ib_rereg_user_mr;
ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr; ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr;
ibdev->ib_dev.alloc_fast_reg_mr = mlx4_ib_alloc_fast_reg_mr; ibdev->ib_dev.alloc_mr = mlx4_ib_alloc_mr;
ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list; ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list;
ibdev->ib_dev.free_fast_reg_page_list = mlx4_ib_free_fast_reg_page_list; ibdev->ib_dev.free_fast_reg_page_list = mlx4_ib_free_fast_reg_page_list;
ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach; ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach;

5
drivers/infiniband/hw/mlx4/mlx4_ib.h
View file

@ -680,8 +680,9 @@ struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw, int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
struct ib_mw_bind *mw_bind); struct ib_mw_bind *mw_bind);
int mlx4_ib_dealloc_mw(struct ib_mw *mw); int mlx4_ib_dealloc_mw(struct ib_mw *mw);
struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd, struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
int max_page_list_len); enum ib_mr_type mr_type,
u32 max_num_sg);
struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev, struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
int page_list_len); int page_list_len);
void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list); void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);

11
drivers/infiniband/hw/mlx4/mr.c
View file

@ -350,19 +350,24 @@ int mlx4_ib_dealloc_mw(struct ib_mw *ibmw)
return 0; return 0;
} }
struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd, struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
int max_page_list_len) enum ib_mr_type mr_type,
u32 max_num_sg)
{ {
struct mlx4_ib_dev *dev = to_mdev(pd->device); struct mlx4_ib_dev *dev = to_mdev(pd->device);
struct mlx4_ib_mr *mr; struct mlx4_ib_mr *mr;
int err; int err;
if (mr_type != IB_MR_TYPE_MEM_REG ||
max_num_sg > MLX4_MAX_FAST_REG_PAGES)
return ERR_PTR(-EINVAL);
mr = kmalloc(sizeof *mr, GFP_KERNEL); mr = kmalloc(sizeof *mr, GFP_KERNEL);
if (!mr) if (!mr)
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);
err = mlx4_mr_alloc(dev->dev, to_mpd(pd)->pdn, 0, 0, 0, err = mlx4_mr_alloc(dev->dev, to_mpd(pd)->pdn, 0, 0, 0,
max_page_list_len, 0, &mr->mmr); max_num_sg, 0, &mr->mmr);
if (err) if (err)
goto err_free; goto err_free;