Fix parsing of PCI domains longer than 4 digits #373
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Signed-off-by: Ian Bishop <151477169+ianb-mp@users.noreply.github.com>
jaypipes
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Sep 4, 2024
pkg/pci/address/address.go
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| @@ -13,7 +13,7 @@ import ( | |||
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| var ( | |||
| regexAddress *regexp.Regexp = regexp.MustCompile( | |||
| `^(([0-9a-f]{0,4}):)?([0-9a-f]{2}):([0-9a-f]{2})\.([0-9a-f]{1})$`, | |||
| `^(([0-9a-f]{0,8}):)?([0-9a-f]{2}):([0-9a-f]{2})\.([0-9a-f]{1})$`, | |||
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@ianb-mp OK, so to be fully compliant with the PCI-X spec, I believe this needs to be:
^(1?)(([0-9a-f]{0,4}):)?([0-9a-f]{2}):([0-9a-f]{2})\.([0-9a-f]{1})$
Because, according to my research, the domain part of the PCI address is 4 hexadigits OR a 1 followed by 4 hexadigits (for the cases where the PCI extension configuration space is used)
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ok, I've pushed another commit with that change however moved the 1? inside the existing capture group. I also added a test.
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Signed-off-by: Ian Bishop <151477169+ianb-mp@users.noreply.github.com>
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See: jaypipes/ghw#373 Signed-off-by: Ian Bishop <151477169+ianb-mp@users.noreply.github.com>
This was referenced Sep 6, 2024
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Allow parsing of PCI addresses like
10001:80:05.0where the domain component is longer than 4 digits.The domain component should be able to handle values up to 32 bits - see: https://patches.dpdk.org/project/dpdk/patch/20200512133057.106374-1-dariusz.stojaczyk@intel.com/
Fixes #372