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vdpa_sim_blk: use dev_dbg() to print errors
Use dev_dbg() instead of dev_err()/dev_warn() to avoid flooding the host with prints, when the guest driver is misbehaving. In this way, prints can be dynamically enabled when the vDPA block simulator is used to validate a driver. Suggested-by: Jason Wang <jasowang@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Message-Id: <20220630153221.83371-2-sgarzare@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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a335b33f4f
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42a84c09ef
@ -76,13 +76,13 @@ static bool vdpasim_blk_handle_req(struct vdpasim *vdpasim,
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return false;
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return false;
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if (vq->out_iov.used < 1 || vq->in_iov.used < 1) {
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if (vq->out_iov.used < 1 || vq->in_iov.used < 1) {
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dev_err(&vdpasim->vdpa.dev, "missing headers - out_iov: %u in_iov %u\n",
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dev_dbg(&vdpasim->vdpa.dev, "missing headers - out_iov: %u in_iov %u\n",
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vq->out_iov.used, vq->in_iov.used);
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vq->out_iov.used, vq->in_iov.used);
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return false;
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return false;
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}
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}
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if (vq->in_iov.iov[vq->in_iov.used - 1].iov_len < 1) {
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if (vq->in_iov.iov[vq->in_iov.used - 1].iov_len < 1) {
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dev_err(&vdpasim->vdpa.dev, "request in header too short\n");
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dev_dbg(&vdpasim->vdpa.dev, "request in header too short\n");
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return false;
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return false;
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}
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}
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@ -96,7 +96,7 @@ static bool vdpasim_blk_handle_req(struct vdpasim *vdpasim,
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bytes = vringh_iov_pull_iotlb(&vq->vring, &vq->out_iov, &hdr,
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bytes = vringh_iov_pull_iotlb(&vq->vring, &vq->out_iov, &hdr,
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sizeof(hdr));
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sizeof(hdr));
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if (bytes != sizeof(hdr)) {
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if (bytes != sizeof(hdr)) {
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dev_err(&vdpasim->vdpa.dev, "request out header too short\n");
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dev_dbg(&vdpasim->vdpa.dev, "request out header too short\n");
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return false;
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return false;
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}
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}
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@ -110,7 +110,7 @@ static bool vdpasim_blk_handle_req(struct vdpasim *vdpasim,
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switch (type) {
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switch (type) {
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case VIRTIO_BLK_T_IN:
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case VIRTIO_BLK_T_IN:
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if (!vdpasim_blk_check_range(sector, to_push)) {
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if (!vdpasim_blk_check_range(sector, to_push)) {
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dev_err(&vdpasim->vdpa.dev,
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dev_dbg(&vdpasim->vdpa.dev,
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"reading over the capacity - offset: 0x%llx len: 0x%zx\n",
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"reading over the capacity - offset: 0x%llx len: 0x%zx\n",
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offset, to_push);
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offset, to_push);
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status = VIRTIO_BLK_S_IOERR;
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status = VIRTIO_BLK_S_IOERR;
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@ -121,7 +121,7 @@ static bool vdpasim_blk_handle_req(struct vdpasim *vdpasim,
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vdpasim->buffer + offset,
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vdpasim->buffer + offset,
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to_push);
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to_push);
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if (bytes < 0) {
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if (bytes < 0) {
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dev_err(&vdpasim->vdpa.dev,
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dev_dbg(&vdpasim->vdpa.dev,
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"vringh_iov_push_iotlb() error: %zd offset: 0x%llx len: 0x%zx\n",
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"vringh_iov_push_iotlb() error: %zd offset: 0x%llx len: 0x%zx\n",
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bytes, offset, to_push);
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bytes, offset, to_push);
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status = VIRTIO_BLK_S_IOERR;
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status = VIRTIO_BLK_S_IOERR;
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@ -133,7 +133,7 @@ static bool vdpasim_blk_handle_req(struct vdpasim *vdpasim,
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case VIRTIO_BLK_T_OUT:
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case VIRTIO_BLK_T_OUT:
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if (!vdpasim_blk_check_range(sector, to_pull)) {
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if (!vdpasim_blk_check_range(sector, to_pull)) {
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dev_err(&vdpasim->vdpa.dev,
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dev_dbg(&vdpasim->vdpa.dev,
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"writing over the capacity - offset: 0x%llx len: 0x%zx\n",
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"writing over the capacity - offset: 0x%llx len: 0x%zx\n",
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offset, to_pull);
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offset, to_pull);
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status = VIRTIO_BLK_S_IOERR;
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status = VIRTIO_BLK_S_IOERR;
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@ -144,7 +144,7 @@ static bool vdpasim_blk_handle_req(struct vdpasim *vdpasim,
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vdpasim->buffer + offset,
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vdpasim->buffer + offset,
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to_pull);
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to_pull);
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if (bytes < 0) {
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if (bytes < 0) {
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dev_err(&vdpasim->vdpa.dev,
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dev_dbg(&vdpasim->vdpa.dev,
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"vringh_iov_pull_iotlb() error: %zd offset: 0x%llx len: 0x%zx\n",
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"vringh_iov_pull_iotlb() error: %zd offset: 0x%llx len: 0x%zx\n",
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bytes, offset, to_pull);
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bytes, offset, to_pull);
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status = VIRTIO_BLK_S_IOERR;
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status = VIRTIO_BLK_S_IOERR;
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@ -157,7 +157,7 @@ static bool vdpasim_blk_handle_req(struct vdpasim *vdpasim,
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vdpasim_blk_id,
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vdpasim_blk_id,
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VIRTIO_BLK_ID_BYTES);
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VIRTIO_BLK_ID_BYTES);
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if (bytes < 0) {
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if (bytes < 0) {
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dev_err(&vdpasim->vdpa.dev,
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dev_dbg(&vdpasim->vdpa.dev,
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"vringh_iov_push_iotlb() error: %zd\n", bytes);
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"vringh_iov_push_iotlb() error: %zd\n", bytes);
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status = VIRTIO_BLK_S_IOERR;
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status = VIRTIO_BLK_S_IOERR;
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break;
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break;
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@ -167,8 +167,8 @@ static bool vdpasim_blk_handle_req(struct vdpasim *vdpasim,
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break;
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break;
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default:
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default:
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dev_warn(&vdpasim->vdpa.dev,
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dev_dbg(&vdpasim->vdpa.dev,
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"Unsupported request type %d\n", type);
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"Unsupported request type %d\n", type);
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status = VIRTIO_BLK_S_IOERR;
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status = VIRTIO_BLK_S_IOERR;
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break;
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break;
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}
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}
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