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-rw-r--r--drivers/vdpa/vdpa.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
index 4494325cae91..96d31b80fdce 100644
--- a/drivers/vdpa/vdpa.c
+++ b/drivers/vdpa/vdpa.c
@@ -404,7 +404,7 @@ static void vdpa_get_config_unlocked(struct vdpa_device *vdev,
* If it does happen we assume a legacy guest.
*/
if (!vdev->features_valid)
- vdpa_set_features(vdev, 0);
+ vdpa_set_features(vdev, 0, true);
ops->get_config(vdev, offset, buf, len);
}
@@ -581,7 +581,8 @@ out:
}
#define VDPA_DEV_NET_ATTRS_MASK ((1 << VDPA_ATTR_DEV_NET_CFG_MACADDR) | \
- (1 << VDPA_ATTR_DEV_NET_CFG_MTU))
+ (1 << VDPA_ATTR_DEV_NET_CFG_MTU) | \
+ (1 << VDPA_ATTR_DEV_NET_CFG_MAX_VQP))
static int vdpa_nl_cmd_dev_add_set_doit(struct sk_buff *skb, struct genl_info *info)
{
@@ -607,6 +608,16 @@ static int vdpa_nl_cmd_dev_add_set_doit(struct sk_buff *skb, struct genl_info *i
nla_get_u16(nl_attrs[VDPA_ATTR_DEV_NET_CFG_MTU]);
config.mask |= (1 << VDPA_ATTR_DEV_NET_CFG_MTU);
}
+ if (nl_attrs[VDPA_ATTR_DEV_NET_CFG_MAX_VQP]) {
+ config.net.max_vq_pairs =
+ nla_get_u16(nl_attrs[VDPA_ATTR_DEV_NET_CFG_MAX_VQP]);
+ if (!config.net.max_vq_pairs) {
+ NL_SET_ERR_MSG_MOD(info->extack,
+ "At least one pair of VQs is required");
+ return -EINVAL;
+ }
+ config.mask |= BIT_ULL(VDPA_ATTR_DEV_NET_CFG_MAX_VQP);
+ }
/* Skip checking capability if user didn't prefer to configure any
* device networking attributes. It is likely that user might have used