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vdpa: add back vhost_vdpa_net_first_nc_vdpa

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Previous commits had it removed. Now adding it back because
this function will be needed by future patches.

Message-Id: <1707910082-10243-2-git-send-email-si-wei.liu@oracle.com>
Reviewed-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Si-Wei Liu 2024-02-14 03:27:51 -08:00 committed by Michael S. Tsirkin
parent 7489f7f3f8
commit 573581b18d
1 changed files with 13 additions and 2 deletions
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15
net/vhost-vdpa.c
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@ -287,6 +287,16 @@ static ssize_t vhost_vdpa_receive(NetClientState *nc, const uint8_t *buf,
return size; return size;
} }
/** From any vdpa net client, get the netclient of the first queue pair */
static VhostVDPAState *vhost_vdpa_net_first_nc_vdpa(VhostVDPAState *s)
{
NICState *nic = qemu_get_nic(s->nc.peer);
NetClientState *nc0 = qemu_get_peer(nic->ncs, 0);
return DO_UPCAST(VhostVDPAState, nc, nc0);
}
static void vhost_vdpa_net_log_global_enable(VhostVDPAState *s, bool enable) static void vhost_vdpa_net_log_global_enable(VhostVDPAState *s, bool enable)
{ {
struct vhost_vdpa *v = &s->vhost_vdpa; struct vhost_vdpa *v = &s->vhost_vdpa;
@ -511,7 +521,7 @@ dma_map_err:
static int vhost_vdpa_net_cvq_start(NetClientState *nc) static int vhost_vdpa_net_cvq_start(NetClientState *nc)
{ {
VhostVDPAState *s; VhostVDPAState *s, *s0;
struct vhost_vdpa *v; struct vhost_vdpa *v;
int64_t cvq_group; int64_t cvq_group;
int r; int r;
@ -522,7 +532,8 @@ static int vhost_vdpa_net_cvq_start(NetClientState *nc)
s = DO_UPCAST(VhostVDPAState, nc, nc); s = DO_UPCAST(VhostVDPAState, nc, nc);
v = &s->vhost_vdpa; v = &s->vhost_vdpa;
v->shadow_vqs_enabled = v->shared->shadow_data; s0 = vhost_vdpa_net_first_nc_vdpa(s);
v->shadow_vqs_enabled = s0->vhost_vdpa.shadow_vqs_enabled;
s->vhost_vdpa.address_space_id = VHOST_VDPA_GUEST_PA_ASID; s->vhost_vdpa.address_space_id = VHOST_VDPA_GUEST_PA_ASID;
if (v->shared->shadow_data) { if (v->shared->shadow_data) {