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pci: Make self mutable when reading from PCI config space

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In order to anticipate the need to support more features related to the
access of a device's PCI config space, this commits changes the self
reference in the function read_config_register() to be mutable.

This also brings some more flexibility for any implementation of the
PciDevice trait.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
2020-01-29 17:16:33 +01:00
committed by Samuel Ortiz
parent 655d9cdb0d
commit db9f9b7820
4 changed files with 4 additions and 4 deletions
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2
vfio/src/vfio_pci.rs
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@@ -852,7 +852,7 @@ impl PciDevice for VfioPciDevice {
.region_write(VFIO_PCI_CONFIG_REGION_INDEX, data, reg + offset);
}
fn read_config_register(&self, reg_idx: usize) -> u32 {
fn read_config_register(&mut self, reg_idx: usize) -> u32 {
// When reading the BARs, we trap it and return what comes
// from our local configuration space. We want the guest to
// use that and not the VFIO device BARs as it does not map