From 03232cc43cff18ae44a30ceb455a036586ee8244 Mon Sep 17 00:00:00 2001 From: Parav Pandit Date: Sun, 6 Oct 2019 18:54:43 +0300 Subject: IB/mlx5: Introduce and use mkey context setting helper routine Introduce and use set_mkc_access_pd_addr_fields() which sets mkey context's access rights, PD, address fields. Thereby avoid the code duplication. Link: https://lore.kernel.org/r/20191006155443.31068-1-leon@kernel.org Signed-off-by: Parav Pandit Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/mlx5/mr.c | 34 ++++++++++++++++------------------ 1 file changed, 16 insertions(+), 18 deletions(-) (limited to 'drivers/infiniband/hw/mlx5') diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 1eff031ef048..2b57f0e085d6 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -705,6 +705,20 @@ int mlx5_mr_cache_cleanup(struct mlx5_ib_dev *dev) return 0; } +static void set_mkc_access_pd_addr_fields(void *mkc, int acc, u64 start_addr, + struct ib_pd *pd) +{ + MLX5_SET(mkc, mkc, a, !!(acc & IB_ACCESS_REMOTE_ATOMIC)); + MLX5_SET(mkc, mkc, rw, !!(acc & IB_ACCESS_REMOTE_WRITE)); + MLX5_SET(mkc, mkc, rr, !!(acc & IB_ACCESS_REMOTE_READ)); + MLX5_SET(mkc, mkc, lw, !!(acc & IB_ACCESS_LOCAL_WRITE)); + MLX5_SET(mkc, mkc, lr, 1); + + MLX5_SET(mkc, mkc, pd, to_mpd(pd)->pdn); + MLX5_SET(mkc, mkc, qpn, 0xffffff); + MLX5_SET64(mkc, mkc, start_addr, start_addr); +} + struct ib_mr *mlx5_ib_get_dma_mr(struct ib_pd *pd, int acc) { struct mlx5_ib_dev *dev = to_mdev(pd->device); @@ -728,16 +742,8 @@ struct ib_mr *mlx5_ib_get_dma_mr(struct ib_pd *pd, int acc) mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry); MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_PA); - MLX5_SET(mkc, mkc, a, !!(acc & IB_ACCESS_REMOTE_ATOMIC)); - MLX5_SET(mkc, mkc, rw, !!(acc & IB_ACCESS_REMOTE_WRITE)); - MLX5_SET(mkc, mkc, rr, !!(acc & IB_ACCESS_REMOTE_READ)); - MLX5_SET(mkc, mkc, lw, !!(acc & IB_ACCESS_LOCAL_WRITE)); - MLX5_SET(mkc, mkc, lr, 1); - MLX5_SET(mkc, mkc, length64, 1); - MLX5_SET(mkc, mkc, pd, to_mpd(pd)->pdn); - MLX5_SET(mkc, mkc, qpn, 0xffffff); - MLX5_SET64(mkc, mkc, start_addr, 0); + set_mkc_access_pd_addr_fields(mkc, acc, 0, pd); err = mlx5_core_create_mkey(mdev, &mr->mmkey, in, inlen); if (err) @@ -1195,16 +1201,8 @@ static struct ib_mr *mlx5_ib_get_dm_mr(struct ib_pd *pd, u64 start_addr, MLX5_SET(mkc, mkc, access_mode_1_0, mode & 0x3); MLX5_SET(mkc, mkc, access_mode_4_2, (mode >> 2) & 0x7); - MLX5_SET(mkc, mkc, a, !!(acc & IB_ACCESS_REMOTE_ATOMIC)); - MLX5_SET(mkc, mkc, rw, !!(acc & IB_ACCESS_REMOTE_WRITE)); - MLX5_SET(mkc, mkc, rr, !!(acc & IB_ACCESS_REMOTE_READ)); - MLX5_SET(mkc, mkc, lw, !!(acc & IB_ACCESS_LOCAL_WRITE)); - MLX5_SET(mkc, mkc, lr, 1); - MLX5_SET64(mkc, mkc, len, length); - MLX5_SET(mkc, mkc, pd, to_mpd(pd)->pdn); - MLX5_SET(mkc, mkc, qpn, 0xffffff); - MLX5_SET64(mkc, mkc, start_addr, start_addr); + set_mkc_access_pd_addr_fields(mkc, acc, start_addr, pd); err = mlx5_core_create_mkey(mdev, &mr->mmkey, in, inlen); if (err) -- cgit v1.2.3-59-g8ed1b