leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

PCI: Allow userspace to query and set device reset mechanism

Browse Source 
Add "reset_method" sysfs attribute to enable user to query and set
preferred device reset methods and their ordering.

[bhelgaas: on invalid sysfs input, return error and preserve previous
config, as in earlier patch versions]
Co-developed-by: Alex Williamson <alex.williamson@redhat.com>
Link: https://lore.kernel.org/r/20210817180500.1253-6-ameynarkhede03@gmail.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Amey Narkhede <ameynarkhede03@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
This commit is contained in:
Amey Narkhede
2021-08-17 23:34:56 +05:30
committed by Bjorn Helgaas
parent 4ec36dfeb1
commit d88f521da3
4 changed files with 142 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/pci/pci.h
View File

@@ -718,4 +718,6 @@ static inline int pci_acpi_program_hp_params(struct pci_dev *dev)
extern const struct attribute_group aspm_ctrl_attr_group;
#endif
extern const struct attribute_group pci_dev_reset_method_attr_group;
#endif /* DRIVERS_PCI_H */