[RFC PATCH v4 14/38] PCI: endpoint: pci-epf-vntb: Implement .get_private_data() callback
Koichiro Den <[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 |
|---|---|
| Message-ID | <[email protected]> |
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]> --- 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