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| author | Mike Mason <mmlnx@us.ibm.com> | 2009-07-30 15:33:21 -0700 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-09-09 13:29:37 -0700 |
| commit | 260d703adc5f275e3ba7ddff6e2e0217bc613b35 (patch) | |
| tree | b91dbf65c67dcd1d7349e5b8df6128ffcd1389c4 /include/linux/pci.h | |
| parent | deb2d2ecd43dfc51efe71eed7128fda514da96c6 (diff) | |
| download | lwn-260d703adc5f275e3ba7ddff6e2e0217bc613b35.tar.gz lwn-260d703adc5f275e3ba7ddff6e2e0217bc613b35.zip | |
PCI: support for PCI Express fundamental reset
This is the first of three patches that implement a bit field that PCI
Express device drivers can use to indicate they need a fundamental reset
during error recovery.
By default, the EEH framework on powerpc does what's known as a "hot
reset" during recovery of a PCI Express device. We've found a case
where the device needs a "fundamental reset" to recover properly. The
current PCI error recovery and EEH frameworks do not support this
distinction.
The attached patch (courtesy of Richard Lary) adds a bit field to
pci_dev that indicates whether the device requires a fundamental reset
during recovery.
These patches supersede the previously submitted patch that implemented
a fundamental reset bit field.
Signed-off-by: Mike Mason <mmlnx@us.ibm.com>
Signed-off-by: Richard Lary <rlary@us.ibm.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 6dbb1fd30e5a..da90217a7b0e 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -273,6 +273,7 @@ struct pci_dev { unsigned int ari_enabled:1; /* ARI forwarding */ unsigned int is_managed:1; unsigned int is_pcie:1; + unsigned int needs_freset:1; /* Dev requires fundamental reset */ unsigned int state_saved:1; unsigned int is_physfn:1; unsigned int is_virtfn:1; |