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The function should be called only after a success calling for
vdpa_alloc_device().
Reported-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200413093738.28467-1-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
If user did not configure any vdpa drivers, neither vhost
nor virtio vdpa are going to be useful. So there's no point
in prompting for these and selecting vdpa core automatically.
Simplify configuration by making virtio and vhost vdpa
drivers depend on vdpa menu entry. Once done, we no longer
need a separate menu entry, so also get rid of this.
While at it, fix up the IFC entry: VDPA->vDPA for consistency
with other places.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
get_vq_align returns u16 now, but that's not enough for
systems/devices with 64K pages. All callers assign it to
a u32 variable anyway, so let's just change the return
value type to u32.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
vdpasim->status should acquired under spin lock.
Fixes: 870448c31775 ("vdpasim: vDPA device simulator")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200402024916.35192-1-yuehaibing@huawei.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/vdpa/ifcvf/ifcvf_main.c:34:24:
warning: variable ‘ifcvf’ set but not used [-Wunused-but-set-variable]
drivers/vdpa/ifcvf/ifcvf_base.c:304:31:
warning: variable ‘ifcvf_lm’ set but not used [-Wunused-but-set-variable]
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200402024626.32944-1-yuehaibing@huawei.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
set_dma_ops isn't available on all architectures:
make ARCH=um
...
drivers/vdpa/vdpa_sim/vdpa_sim.c: In function 'vdpasim_create':
>> drivers/vdpa/vdpa_sim/vdpa_sim.c:324:2: error: implicit declaration of function 'set_dma_ops'; did you mean 'set_groups'?
+[-Werror=implicit-function-declaration]
set_dma_ops(dev, &vdpasim_dma_ops);
^~~~~~~~~~~
set_groups
Disable vdpa-sim on architectures where it isn't.
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
We have both vhost and virtio drivers that depend on vdpa.
It's easier to locate it at a top level directory otherwise
we run into issues e.g. if vhost is built-in but virtio
is modular. Let's just move it up a level.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
