common/sfc_efx/base: allow creating invalid mport selectors

[dpdk.git] / drivers / common / sfc_efx / base / efx_virtio.c

diff --git a/drivers/common/sfc_efx/base/efx_virtio.c b/drivers/common/sfc_efx/base/efx_virtio.c
index 7303c00..b9c351d 100644 (file)
--- a/drivers/common/sfc_efx/base/efx_virtio.c
+++ b/drivers/common/sfc_efx/base/efx_virtio.c
@@ -13,6 +13,8 @@ static const efx_virtio_ops_t __efx_virtio_rhead_ops = {
        rhead_virtio_qstart,                    /* evo_virtio_qstart */
        rhead_virtio_qstop,                     /* evo_virtio_qstop */
        rhead_virtio_get_doorbell_offset,       /* evo_get_doorbell_offset */
+       rhead_virtio_get_features,              /* evo_get_features */
+       rhead_virtio_verify_features,           /* evo_verify_features */
 };
 #endif /* EFSYS_OPT_RIVERHEAD */
 
@@ -244,6 +246,87 @@ efx_virtio_get_doorbell_offset(
 
        return (0);
 
+fail3:
+       EFSYS_PROBE(fail3);
+fail2:
+       EFSYS_PROBE(fail2);
+fail1:
+       EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+       return (rc);
+}
+
+       __checkReturn   efx_rc_t
+efx_virtio_get_features(
+       __in            efx_nic_t *enp,
+       __in            efx_virtio_device_type_t type,
+       __out           uint64_t *featuresp)
+{
+       const efx_virtio_ops_t *evop = enp->en_evop;
+       efx_rc_t rc;
+
+       if (featuresp == NULL) {
+               rc = EINVAL;
+               goto fail1;
+       }
+
+       if (type >= EFX_VIRTIO_DEVICE_NTYPES) {
+               rc = EINVAL;
+               goto fail2;
+       }
+
+       EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+       EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_VIRTIO);
+
+       if (evop == NULL) {
+               rc = ENOTSUP;
+               goto fail3;
+       }
+
+       if ((rc = evop->evo_get_features(enp, type, featuresp)) != 0)
+               goto fail4;
+
+       return (0);
+
+fail4:
+       EFSYS_PROBE(fail4);
+fail3:
+       EFSYS_PROBE(fail3);
+fail2:
+       EFSYS_PROBE(fail2);
+fail1:
+       EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+       return (rc);
+}
+
+       __checkReturn   efx_rc_t
+efx_virtio_verify_features(
+       __in            efx_nic_t *enp,
+       __in            efx_virtio_device_type_t type,
+       __in            uint64_t features)
+{
+       const efx_virtio_ops_t *evop = enp->en_evop;
+       efx_rc_t rc;
+
+       if (type >= EFX_VIRTIO_DEVICE_NTYPES) {
+               rc = EINVAL;
+               goto fail1;
+       }
+
+       EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+       EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_VIRTIO);
+
+       if (evop == NULL) {
+               rc = ENOTSUP;
+               goto fail2;
+       }
+
+       if ((rc = evop->evo_verify_features(enp, type, features)) != 0)
+               goto fail3;
+
+       return (0);
+
 fail3:
        EFSYS_PROBE(fail3);
 fail2: