diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2021-08-19 18:09:18 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-08-19 18:09:18 -0700 |
| commit | f444fea7896dbc267249d27f604082a51b8efca2 (patch) | |
| tree | d72e809d28ff7a1cb02f648c858d106de1be859d /drivers/vdpa/mlx5 | |
| parent | 9e5f10fe577be7974c721c0c2050fa6c967d4565 (diff) | |
| parent | f87d64319e6f980c82acfc9b95ed523d053fb7ac (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/ptp/Kconfig:
55c8fca1dae1 ("ptp_pch: Restore dependency on PCI")
e5f31552674e ("ethernet: fix PTP_1588_CLOCK dependencies")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/vdpa/mlx5')
| -rw-r--r-- | drivers/vdpa/mlx5/core/mr.c | 9 | ||||
| -rw-r--r-- | drivers/vdpa/mlx5/net/mlx5_vnet.c | 14 |
2 files changed, 10 insertions, 13 deletions
diff --git a/drivers/vdpa/mlx5/core/mr.c b/drivers/vdpa/mlx5/core/mr.c index dcee6039e966..e59135fa867e 100644 --- a/drivers/vdpa/mlx5/core/mr.c +++ b/drivers/vdpa/mlx5/core/mr.c @@ -512,11 +512,6 @@ out: mutex_unlock(&mr->mkey_mtx); } -static bool map_empty(struct vhost_iotlb *iotlb) -{ - return !vhost_iotlb_itree_first(iotlb, 0, U64_MAX); -} - int mlx5_vdpa_handle_set_map(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *iotlb, bool *change_map) { @@ -524,10 +519,6 @@ int mlx5_vdpa_handle_set_map(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *io int err = 0; *change_map = false; - if (map_empty(iotlb)) { - mlx5_vdpa_destroy_mr(mvdev); - return 0; - } mutex_lock(&mr->mkey_mtx); if (mr->initialized) { mlx5_vdpa_info(mvdev, "memory map update\n"); diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index b94d3c73b68e..5906cada2293 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -752,12 +752,12 @@ static int get_queue_type(struct mlx5_vdpa_net *ndev) type_mask = MLX5_CAP_DEV_VDPA_EMULATION(ndev->mvdev.mdev, virtio_queue_type); /* prefer split queue */ - if (type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED) - return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED; + if (type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT) + return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT; - WARN_ON(!(type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT)); + WARN_ON(!(type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED)); - return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT; + return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED; } static bool vq_is_tx(u16 idx) @@ -2029,6 +2029,12 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name) return -ENOSPC; mdev = mgtdev->madev->mdev; + if (!(MLX5_CAP_DEV_VDPA_EMULATION(mdev, virtio_queue_type) & + MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT)) { + dev_warn(mdev->device, "missing support for split virtqueues\n"); + return -EOPNOTSUPP; + } + /* we save one virtqueue for control virtqueue should we require it */ max_vqs = MLX5_CAP_DEV_VDPA_EMULATION(mdev, max_num_virtio_queues); max_vqs = min_t(u32, max_vqs, MLX5_MAX_SUPPORTED_VQS); |