Re: [RFC PATCH v4 14/38] PCI: endpoint: pci-epf-vntb: Implement .get_private_data() callback
Frank Li <[email protected]>
| Newsgroups | dev.linux.lists.ntb,dev.linux.lists.iommu,org.kernel.vger.dmaengine,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest,org.kernel.vger.linux-pci,org.kernel.vger.linux-renesas-soc,org.kernel.vger.netdev |
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| Message-ID | <aW6TstKUDLn8gPD4@lizhi-Precision-Tower-5810> |
On Sun, Jan 18, 2026 at 10:54:16PM +0900, Koichiro Den wrote: > Implement the new get_private_data() operation for the EPF vNTB driver > to expose its associated EPC device to NTB subsystems. > > Signed-off-by: Koichiro Den <[email protected]> > --- Reviewed-by: Frank Li <[email protected]> > drivers/pci/endpoint/functions/pci-epf-vntb.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/pci/endpoint/functions/pci-epf-vntb.c b/drivers/pci/endpoint/functions/pci-epf-vntb.c > index 98128c2c5079..9fbc27000f77 100644 > --- a/drivers/pci/endpoint/functions/pci-epf-vntb.c > +++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c > @@ -1747,6 +1747,15 @@ static int vntb_epf_link_disable(struct ntb_dev *ntb) > return 0; > } > > +static void *vntb_epf_get_private_data(struct ntb_dev *ndev) > +{ > + struct epf_ntb *ntb = ntb_ndev(ndev); > + > + if (!ntb || !ntb->epf) > + return NULL; > + return ntb->epf->epc; > +} > + > static const struct ntb_dev_ops vntb_epf_ops = { > .mw_count = vntb_epf_mw_count, > .spad_count = vntb_epf_spad_count, > @@ -1771,6 +1780,7 @@ static const struct ntb_dev_ops vntb_epf_ops = { > .db_clear_mask = vntb_epf_db_clear_mask, > .db_clear = vntb_epf_db_clear, > .link_disable = vntb_epf_link_disable, > + .get_private_data = vntb_epf_get_private_data, > }; > > static int pci_vntb_probe(struct pci_dev *pdev, const struct pci_device_id *id) > -- > 2.51.0 >