Re: [PATCH] nvme: expose 'bootindex' property

[Klaus Jensen]

On Mar 22 10:58, Philippe Mathieu-Daudé wrote:
> On 3/22/21 9:24 AM, Joelle van Dyne wrote:
> > The check for `n->namespace.blkconf.blk` always fails because
> > this is in the initialization function.
> 
> This usually mean the code depends to some state only available
> during the QOM 'realization' step, so this code should be in
> nvme_realize(). Maybe in this case we don't need it there and
> can add the property regardless a block drive is provided, I
> haven't checked.
> 

If we defer to realization, it won't be available as a parameter on the
command line, but as far as I can test, adding it unconditionally
doesn't break anything when there is no drive attached to the controller
device.

> > 
> > Signed-off-by: Joelle van Dyne <j@getutm.app>
> > ---
> >  hw/block/nvme.c | 8 +++-----
> >  1 file changed, 3 insertions(+), 5 deletions(-)
> > 
> > diff --git a/hw/block/nvme.c b/hw/block/nvme.c
> > index 6842b01ab5..42605fc55d 100644
> > --- a/hw/block/nvme.c
> > +++ b/hw/block/nvme.c
> > @@ -6330,11 +6330,9 @@ static void nvme_instance_init(Object *obj)
> >  {
> >      NvmeCtrl *n = NVME(obj);
> >  
> > -    if (n->namespace.blkconf.blk) {
> > -        device_add_bootindex_property(obj, &n->namespace.blkconf.bootindex,
> > -                                      "bootindex", "/namespace@1,0",
> > -                                      DEVICE(obj));
> > -    }
> > +    device_add_bootindex_property(obj, &n->namespace.blkconf.bootindex,
> > +                                  "bootindex", "/namespace@1,0",
> > +                                  DEVICE(obj));
> >  
> >      object_property_add(obj, "smart_critical_warning", "uint8",
> >                          nvme_get_smart_warning,
> > 
> 
>

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