Michał Winiarski e200f4f7ea PCI/IOV: Allow IOV resources to be resized in pci_resize_resource()
Similar to regular resizable BARs, VF BARs can also be resized.

The capability layout is the same as PCI_EXT_CAP_ID_REBAR, which means we
can reuse most of the implementation, the only difference being resource
size calculation (which is multiplied by total VFs) and memory decoding
(which is controlled by a separate VF MSE field in SR-IOV cap).

Extend the pci_resize_resource() function to accept IOV resources.

See PCIe r6.2, sec 7.8.7.

Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://patch.msgid.link/20250702093522.518099-4-michal.winiarski@intel.com
2025-07-14 15:04:18 -05:00
2022-09-28 09:02:20 +02:00
2025-02-19 14:53:27 -07:00
2025-06-08 13:44:43 -07:00
2024-03-18 03:36:32 -06:00

Linux kernel
============

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