| Message ID | 20210630082145.5729-4-lingshan.zhu@intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | vDPA/ifcvf: implement management netlink framework | expand |
在 2021/6/30 下午4:21, Zhu Lingshan 写道: > ifcvf_vdpa_set_status() should get a adapter from the > management device > > Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com> > --- > drivers/vdpa/ifcvf/ifcvf_main.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c > index 7c2f64ca2163..28c71eef1d2b 100644 > --- a/drivers/vdpa/ifcvf/ifcvf_main.c > +++ b/drivers/vdpa/ifcvf/ifcvf_main.c > @@ -212,13 +212,15 @@ static u8 ifcvf_vdpa_get_status(struct vdpa_device *vdpa_dev) > > static void ifcvf_vdpa_set_status(struct vdpa_device *vdpa_dev, u8 status) > { > + struct ifcvf_vdpa_mgmt_dev *ifcvf_mgmt_dev; > struct ifcvf_adapter *adapter; > struct ifcvf_hw *vf; > u8 status_old; > int ret; > > vf = vdpa_to_vf(vdpa_dev); > - adapter = dev_get_drvdata(vdpa_dev->dev.parent); If this is a fix for patch 2, you need to squash this into that one. Any reason that vdpa_to_adapter() can't work? And I see: +struct ifcvf_vdpa_mgmt_dev { + struct vdpa_mgmt_dev mdev; + struct ifcvf_adapter *adapter; + struct pci_dev *pdev; +}; What's the reason for having a adapter pointer here? Thanks > + ifcvf_mgmt_dev = dev_get_drvdata(vdpa_dev->dev.parent); > + adapter = ifcvf_mgmt_dev->adapter; > status_old = ifcvf_get_status(vf); > > if (status_old == status)
On 7/5/2021 1:09 PM, Jason Wang wrote: > > 在 2021/6/30 下午4:21, Zhu Lingshan 写道: >> ifcvf_vdpa_set_status() should get a adapter from the >> management device >> >> Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com> >> --- >> drivers/vdpa/ifcvf/ifcvf_main.c | 4 +++- >> 1 file changed, 3 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c >> b/drivers/vdpa/ifcvf/ifcvf_main.c >> index 7c2f64ca2163..28c71eef1d2b 100644 >> --- a/drivers/vdpa/ifcvf/ifcvf_main.c >> +++ b/drivers/vdpa/ifcvf/ifcvf_main.c >> @@ -212,13 +212,15 @@ static u8 ifcvf_vdpa_get_status(struct >> vdpa_device *vdpa_dev) >> static void ifcvf_vdpa_set_status(struct vdpa_device *vdpa_dev, >> u8 status) >> { >> + struct ifcvf_vdpa_mgmt_dev *ifcvf_mgmt_dev; >> struct ifcvf_adapter *adapter; >> struct ifcvf_hw *vf; >> u8 status_old; >> int ret; >> vf = vdpa_to_vf(vdpa_dev); >> - adapter = dev_get_drvdata(vdpa_dev->dev.parent); > > > If this is a fix for patch 2, you need to squash this into that one. sure will squash it to patch 2 > > Any reason that vdpa_to_adapter() can't work? will use it in V2. > > And I see: > > +struct ifcvf_vdpa_mgmt_dev { > + struct vdpa_mgmt_dev mdev; > + struct ifcvf_adapter *adapter; > + struct pci_dev *pdev; > +}; > > What's the reason for having a adapter pointer here? because in ifcvf_remove(), we need to get the management device from pdev struct, so need to set the management device pointor to the pdev drvdata, then need this *adapter pointor to address the adapter. Thanks > > > Thanks > > >> + ifcvf_mgmt_dev = dev_get_drvdata(vdpa_dev->dev.parent); >> + adapter = ifcvf_mgmt_dev->adapter; >> status_old = ifcvf_get_status(vf); >> if (status_old == status) >
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index 7c2f64ca2163..28c71eef1d2b 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c @@ -212,13 +212,15 @@ static u8 ifcvf_vdpa_get_status(struct vdpa_device *vdpa_dev) static void ifcvf_vdpa_set_status(struct vdpa_device *vdpa_dev, u8 status) { + struct ifcvf_vdpa_mgmt_dev *ifcvf_mgmt_dev; struct ifcvf_adapter *adapter; struct ifcvf_hw *vf; u8 status_old; int ret; vf = vdpa_to_vf(vdpa_dev); - adapter = dev_get_drvdata(vdpa_dev->dev.parent); + ifcvf_mgmt_dev = dev_get_drvdata(vdpa_dev->dev.parent); + adapter = ifcvf_mgmt_dev->adapter; status_old = ifcvf_get_status(vf); if (status_old == status)
ifcvf_vdpa_set_status() should get a adapter from the management device Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com> --- drivers/vdpa/ifcvf/ifcvf_main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)