From 477f71971422fb225337b30f7b79363387b1d78c Mon Sep 17 00:00:00 2001 From: Jason Wang Date: Tue, 27 Sep 2022 15:48:09 +0800 Subject: vdpa_sim_net: support feature provisioning This patch implements features provisioning for vdpa_sim_net. 1) validating the provisioned features to be a subset of the parent features. 2) clearing the features that is not wanted by the userspace For example: vdpasim_net: supported_classes net max_supported_vqs 3 dev_features MTU MAC CTRL_VQ CTRL_MAC_ADDR ANY_LAYOUT VERSION_1 ACCESS_PLATFORM 1) provision vDPA device with all features that are supported by the net simulator dev1: mac 00:00:00:00:00:00 link up link_announce false mtu 1500 negotiated_features MTU MAC CTRL_VQ CTRL_MAC_ADDR VERSION_1 ACCESS_PLATFORM 2) provision vDPA device with a subset of the features dev1: mac 00:00:00:00:00:00 link up link_announce false mtu 1500 negotiated_features CTRL_VQ VERSION_1 ACCESS_PLATFORM Reviewed-by: Eli Cohen Signed-off-by: Jason Wang Message-Id: <20220927074810.28627-3-jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin Reviewed-by: Stefano Garzarella --- drivers/vdpa/vdpa_sim/vdpa_sim.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/vdpa/vdpa_sim/vdpa_sim.h') diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.h b/drivers/vdpa/vdpa_sim/vdpa_sim.h index 061986f30911..0e78737dcc16 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.h +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.h @@ -71,7 +71,8 @@ struct vdpasim { spinlock_t iommu_lock; }; -struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *attr); +struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *attr, + const struct vdpa_dev_set_config *config); /* TODO: cross-endian support */ static inline bool vdpasim_is_little_endian(struct vdpasim *vdpasim) -- cgit