diff options
author | Bryant G. Ly <bryantly@linux.vnet.ibm.com> | 2018-01-05 10:45:47 -0600 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-01-27 20:02:51 +1100 |
commit | 856e1eb9bdd4bd703907925be112519ff65d991f (patch) | |
tree | 096824f791fdbc9925aaf032cb9b7f86eafd6cf5 /arch | |
parent | 64ba3dc7bf7cb0cbc89821db54edfe5180726fbf (diff) |
PCI/AER: Add uevents in AER and EEH error/resume
Devices can go offline when erors reported. This patch adds a change
to the kernel object and lets udev know of error. When device resumes,
a change is also set reporting device as online. Therefore, EEH and
AER events are better propagated to user space for PCI devices in all
arches.
Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
Signed-off-by: Juan J. Alvarez <jjalvare@linux.vnet.ibm.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/kernel/eeh_driver.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c index 3c0fa99c5533..beea2182d754 100644 --- a/arch/powerpc/kernel/eeh_driver.c +++ b/arch/powerpc/kernel/eeh_driver.c @@ -228,6 +228,7 @@ static void *eeh_report_error(void *data, void *userdata) edev->in_error = true; eeh_pcid_put(dev); + pci_uevent_ers(dev, PCI_ERS_RESULT_NONE); return NULL; } @@ -381,6 +382,10 @@ static void *eeh_report_resume(void *data, void *userdata) driver->err_handler->resume(dev); eeh_pcid_put(dev); + pci_uevent_ers(dev, PCI_ERS_RESULT_RECOVERED); +#ifdef CONFIG_PCI_IOV + eeh_ops->notify_resume(eeh_dev_to_pdn(edev)); +#endif return NULL; } @@ -416,6 +421,7 @@ static void *eeh_report_failure(void *data, void *userdata) driver->err_handler->error_detected(dev, pci_channel_io_perm_failure); eeh_pcid_put(dev); + pci_uevent_ers(dev, PCI_ERS_RESULT_DISCONNECT); return NULL; } |