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| PCI_SRIOV_SET_TOTALV(9) | Hardware Interfaces | PCI_SRIOV_SET_TOTALV(9) |
NAME¶
pci_sriov_set_totalvfs - - reduce the TotalVFs available
SYNOPSIS¶
int pci_sriov_set_totalvfs(struct pci_dev * dev, u16 numvfs);
ARGUMENTS¶
struct pci_dev * dev
the PCI PF device
u16 numvfs
number that should be used for TotalVFs supported
DESCRIPTION¶
Should be called from PF driver's probe routine with device's mutex held.
Returns 0 if PF is an SRIOV-capable device and value of numvfs valid. If not a PF return -ENOSYS; if numvfs is invalid return -EINVAL; if VFs already enabled, return -EBUSY.
COPYRIGHT¶
| June 2017 | Kernel Hackers Manual 4.11 |