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cxgbe/iw_cxgbe: Create a LinuxKPI pci device for an adapter and use it

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as the dma_device during RDMA registration.

cxgbe's struct device cannot be used as-is because it's a native FreeBSD
driver and ibcore is LinuxKPI based.

MFC after:	1 week
MFC after:	r360196
This commit is contained in:
Navdeep Parhar 2020-04-22 21:54:21 +00:00
parent da06ef25e6
commit a3372bd833
2 changed files with 9 additions and 2 deletions
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1
sys/dev/cxgbe/iw_cxgbe/iw_cxgbe.h
View File

@ -261,6 +261,7 @@ out:
struct c4iw_dev {
struct ib_device ibdev;
struct pci_dev pdev;
struct c4iw_rdev rdev;
u32 device_cap_flags;
struct idr cqidr;

10
sys/dev/cxgbe/iw_cxgbe/provider.c
View File

@ -434,6 +434,9 @@ c4iw_register_device(struct c4iw_dev *dev)
CTR3(KTR_IW_CXGBE, "%s c4iw_dev %p, adapter %p", __func__, dev, sc);
BUG_ON(!sc->port[0]);
ret = linux_pci_attach_device(sc->dev, NULL, NULL, &dev->pdev);
if (ret)
return (ret);
strlcpy(ibdev->name, device_get_nameunit(sc->dev), sizeof(ibdev->name));
memset(&ibdev->node_guid, 0, sizeof(ibdev->node_guid));
memcpy(&ibdev->node_guid, sc->port[0]->vi[0].hw_addr, ETHER_ADDR_LEN);
@ -465,7 +468,7 @@ c4iw_register_device(struct c4iw_dev *dev)
strlcpy(ibdev->node_desc, C4IW_NODE_DESC, sizeof(ibdev->node_desc));
ibdev->phys_port_cnt = sc->params.nports;
ibdev->num_comp_vectors = 1;
ibdev->dma_device = NULL;
ibdev->dma_device = &dev->pdev.dev;
ibdev->query_device = c4iw_query_device;
ibdev->query_port = c4iw_query_port;
ibdev->modify_port = c4iw_modify_port;
@ -517,8 +520,10 @@ c4iw_register_device(struct c4iw_dev *dev)
ibdev->iwcm = iwcm;
ret = ib_register_device(&dev->ibdev, NULL);
if (ret)
if (ret) {
kfree(iwcm);
linux_pci_detach_device(&dev->pdev);
}
return (ret);
}
@ -531,6 +536,7 @@ c4iw_unregister_device(struct c4iw_dev *dev)
dev->rdev.adap);
ib_unregister_device(&dev->ibdev);
kfree(dev->ibdev.iwcm);
linux_pci_detach_device(&dev->pdev);
return;
}
#endif