This patch switches to let net_vhost_vdpa_init() to return
NetClientState *. This is used for the callers to allocate multiqueue
NetClientState for multiqueue support.
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
net/vhost-vdpa.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index 73d29a74ef..834dab28dd 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -155,8 +155,10 @@ static NetClientInfo net_vhost_vdpa_info = {
.has_ufo = vhost_vdpa_has_ufo,
};
-static int net_vhost_vdpa_init(NetClientState *peer, const char *device,
- const char *name, int vdpa_device_fd)
+static NetClientState *net_vhost_vdpa_init(NetClientState *peer,
+ const char *device,
+ const char *name,
+ int vdpa_device_fd)
{
NetClientState *nc = NULL;
VhostVDPAState *s;
@@ -170,8 +172,9 @@ static int net_vhost_vdpa_init(NetClientState *peer, const char *device,
ret = vhost_vdpa_add(nc, (void *)&s->vhost_vdpa);
if (ret) {
qemu_del_net_client(nc);
+ return NULL;
}
- return ret;
+ return nc;
}
static int net_vhost_check_net(void *opaque, QemuOpts *opts, Error **errp)
@@ -196,7 +199,8 @@ int net_init_vhost_vdpa(const Netdev *netdev, const char *name,
NetClientState *peer, Error **errp)
{
const NetdevVhostVDPAOptions *opts;
- int vdpa_device_fd, ret;
+ int vdpa_device_fd;
+ NetClientState *nc;
assert(netdev->type == NET_CLIENT_DRIVER_VHOST_VDPA);
opts = &netdev->u.vhost_vdpa;
@@ -211,10 +215,11 @@ int net_init_vhost_vdpa(const Netdev *netdev, const char *name,
return -errno;
}
- ret = net_vhost_vdpa_init(peer, TYPE_VHOST_VDPA, name, vdpa_device_fd);
- if (ret) {
+ nc = net_vhost_vdpa_init(peer, TYPE_VHOST_VDPA, name, vdpa_device_fd);
+ if (!nc) {
qemu_close(vdpa_device_fd);
+ return -1;
}
- return ret;
+ return 0;
}
--
2.25.1
> -----Original Message-----
> From: Qemu-devel <qemu-devel-
> bounces+chen.zhang=intel.com@nongnu.org> On Behalf Of Jason Wang
> Sent: Tuesday, September 7, 2021 5:03 PM
> To: mst@redhat.com; jasowang@redhat.com; qemu-devel@nongnu.org
> Cc: eperezma@redhat.com; elic@nvidia.com; gdawar@xilinx.com; Zhu,
> Lingshan <lingshan.zhu@intel.com>; lulu@redhat.com
> Subject: [PATCH V3 04/10] vhost-vdpa: let net_vhost_vdpa_init() returns
> NetClientState *
>
> This patch switches to let net_vhost_vdpa_init() to return NetClientState *.
> This is used for the callers to allocate multiqueue NetClientState for
> multiqueue support.
>
> Signed-off-by: Jason Wang <jasowang@redhat.com>
> ---
> net/vhost-vdpa.c | 19 ++++++++++++-------
> 1 file changed, 12 insertions(+), 7 deletions(-)
>
> diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index
> 73d29a74ef..834dab28dd 100644
> --- a/net/vhost-vdpa.c
> +++ b/net/vhost-vdpa.c
> @@ -155,8 +155,10 @@ static NetClientInfo net_vhost_vdpa_info = {
> .has_ufo = vhost_vdpa_has_ufo,
> };
>
> -static int net_vhost_vdpa_init(NetClientState *peer, const char *device,
> - const char *name, int vdpa_device_fd)
> +static NetClientState *net_vhost_vdpa_init(NetClientState *peer,
> + const char *device,
> + const char *name,
> + int vdpa_device_fd)
> {
> NetClientState *nc = NULL;
> VhostVDPAState *s;
> @@ -170,8 +172,9 @@ static int net_vhost_vdpa_init(NetClientState *peer,
> const char *device,
> ret = vhost_vdpa_add(nc, (void *)&s->vhost_vdpa);
> if (ret) {
> qemu_del_net_client(nc);
> + return NULL;
> }
> - return ret;
> + return nc;
> }
>
> static int net_vhost_check_net(void *opaque, QemuOpts *opts, Error
> **errp) @@ -196,7 +199,8 @@ int net_init_vhost_vdpa(const Netdev
> *netdev, const char *name,
> NetClientState *peer, Error **errp) {
> const NetdevVhostVDPAOptions *opts;
> - int vdpa_device_fd, ret;
> + int vdpa_device_fd;
> + NetClientState *nc;
>
> assert(netdev->type == NET_CLIENT_DRIVER_VHOST_VDPA);
> opts = &netdev->u.vhost_vdpa;
> @@ -211,10 +215,11 @@ int net_init_vhost_vdpa(const Netdev *netdev,
> const char *name,
> return -errno;
> }
>
> - ret = net_vhost_vdpa_init(peer, TYPE_VHOST_VDPA, name,
> vdpa_device_fd);
> - if (ret) {
> + nc = net_vhost_vdpa_init(peer, TYPE_VHOST_VDPA, name,
> vdpa_device_fd);
> + if (!nc) {
> qemu_close(vdpa_device_fd);
> + return -1;
It looks like this patch needs to be merged with the 01/10 patch.
Both related to the changes of " net_vhost_vdpa_init ".
Thanks
Chen
> }
>
> - return ret;
> + return 0;
> }
> --
> 2.25.1
>
On Thu, Sep 9, 2021 at 11:41 PM Zhang, Chen <chen.zhang@intel.com> wrote:
>
>
>
> > -----Original Message-----
> > From: Qemu-devel <qemu-devel-
> > bounces+chen.zhang=intel.com@nongnu.org> On Behalf Of Jason Wang
> > Sent: Tuesday, September 7, 2021 5:03 PM
> > To: mst@redhat.com; jasowang@redhat.com; qemu-devel@nongnu.org
> > Cc: eperezma@redhat.com; elic@nvidia.com; gdawar@xilinx.com; Zhu,
> > Lingshan <lingshan.zhu@intel.com>; lulu@redhat.com
> > Subject: [PATCH V3 04/10] vhost-vdpa: let net_vhost_vdpa_init() returns
> > NetClientState *
> >
> > This patch switches to let net_vhost_vdpa_init() to return NetClientState *.
> > This is used for the callers to allocate multiqueue NetClientState for
> > multiqueue support.
> >
> > Signed-off-by: Jason Wang <jasowang@redhat.com>
> > ---
> > net/vhost-vdpa.c | 19 ++++++++++++-------
> > 1 file changed, 12 insertions(+), 7 deletions(-)
> >
> > diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index
> > 73d29a74ef..834dab28dd 100644
> > --- a/net/vhost-vdpa.c
> > +++ b/net/vhost-vdpa.c
> > @@ -155,8 +155,10 @@ static NetClientInfo net_vhost_vdpa_info = {
> > .has_ufo = vhost_vdpa_has_ufo,
> > };
> >
> > -static int net_vhost_vdpa_init(NetClientState *peer, const char *device,
> > - const char *name, int vdpa_device_fd)
> > +static NetClientState *net_vhost_vdpa_init(NetClientState *peer,
> > + const char *device,
> > + const char *name,
> > + int vdpa_device_fd)
> > {
> > NetClientState *nc = NULL;
> > VhostVDPAState *s;
> > @@ -170,8 +172,9 @@ static int net_vhost_vdpa_init(NetClientState *peer,
> > const char *device,
> > ret = vhost_vdpa_add(nc, (void *)&s->vhost_vdpa);
> > if (ret) {
> > qemu_del_net_client(nc);
> > + return NULL;
> > }
> > - return ret;
> > + return nc;
> > }
> >
> > static int net_vhost_check_net(void *opaque, QemuOpts *opts, Error
> > **errp) @@ -196,7 +199,8 @@ int net_init_vhost_vdpa(const Netdev
> > *netdev, const char *name,
> > NetClientState *peer, Error **errp) {
> > const NetdevVhostVDPAOptions *opts;
> > - int vdpa_device_fd, ret;
> > + int vdpa_device_fd;
> > + NetClientState *nc;
> >
> > assert(netdev->type == NET_CLIENT_DRIVER_VHOST_VDPA);
> > opts = &netdev->u.vhost_vdpa;
> > @@ -211,10 +215,11 @@ int net_init_vhost_vdpa(const Netdev *netdev,
> > const char *name,
> > return -errno;
> > }
> >
> > - ret = net_vhost_vdpa_init(peer, TYPE_VHOST_VDPA, name,
> > vdpa_device_fd);
> > - if (ret) {
> > + nc = net_vhost_vdpa_init(peer, TYPE_VHOST_VDPA, name,
> > vdpa_device_fd);
> > + if (!nc) {
> > qemu_close(vdpa_device_fd);
> > + return -1;
>
> It looks like this patch needs to be merged with the 01/10 patch.
> Both related to the changes of " net_vhost_vdpa_init ".
Either is fine, but I prefer to keep the patch logical independent to
ease the reviewers.
Thanks
>
> Thanks
> Chen
>
>
> > }
> >
> > - return ret;
> > + return 0;
> > }
> > --
> > 2.25.1
> >
>
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