Author: slavash
Date: Wed Dec 5 13:17:45 2018
New Revision: 341520
URL: https://svnweb.freebsd.org/changeset/base/341520
Log:
linuxkpi: Really check if PCI is offline
Currently we always return false if for PCI offline query.
Try to read PCI config, if the return value if 0xffff probably the
PCI is offline.
Approved by: hselasky (mentor)
MFC after: 1 week
Sponsored by: Mellanox Technologies
Modified:
head/sys/compat/linuxkpi/common/include/linux/pci.h
Modified: head/sys/compat/linuxkpi/common/include/linux/pci.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/pci.h Wed Dec 5 13:17:15
2018 (r341519)
+++ head/sys/compat/linuxkpi/common/include/linux/pci.h Wed Dec 5 13:17:45
2018 (r341520)
@@ -601,9 +601,11 @@ pci_enable_msix_range(struct pci_dev *dev, struct msix
return (nvec);
}
-static inline int pci_channel_offline(struct pci_dev *pdev)
+static inline int
+pci_channel_offline(struct pci_dev *pdev)
{
- return false;
+
+ return (pci_get_vendor(pdev->dev.bsddev) == 0xffff);
}
static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
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