| Message ID | 1486158373-18655-1-git-send-email-keith.busch@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
On Fri, Feb 03, 2017 at 04:46:12PM -0500, Keith Busch wrote: > This is just informational to decode the currently defined extended > event reasons rather than just using the generic "extended" explanation. > > Signed-off-by: Keith Busch <keith.busch@intel.com> Applied both of these to pci/dpc for v4.11, thanks, Keith! > --- > drivers/pci/pcie/pcie-dpc.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/pci/pcie/pcie-dpc.c b/drivers/pci/pcie/pcie-dpc.c > index d91e538..9ca74f4 100644 > --- a/drivers/pci/pcie/pcie-dpc.c > +++ b/drivers/pci/pcie/pcie-dpc.c > @@ -77,11 +77,15 @@ static irqreturn_t dpc_irq(int irq, void *context) > > if (status & PCI_EXP_DPC_STATUS_TRIGGER) { > u16 reason = (status >> 1) & 0x3; > + u16 ext_reason = (status >> 5) & 0x3; > > - dev_warn(&dpc->dev->device, "DPC %s triggered, remove downstream devices\n", > + dev_warn(&dpc->dev->device, "DPC %s detected, remove downstream devices\n", > (reason == 0) ? "unmasked uncorrectable error" : > (reason == 1) ? "ERR_NONFATAL" : > - (reason == 2) ? "ERR_FATAL" : "extended error"); > + (reason == 2) ? "ERR_FATAL" : > + (ext_reason == 0) ? "RP PIO error" : > + (ext_reason == 1) ? "software trigger" : > + "reserved error"); > schedule_work(&dpc->work); > } > return IRQ_HANDLED; > -- > 2.7.2 >
diff --git a/drivers/pci/pcie/pcie-dpc.c b/drivers/pci/pcie/pcie-dpc.c index d91e538..9ca74f4 100644 --- a/drivers/pci/pcie/pcie-dpc.c +++ b/drivers/pci/pcie/pcie-dpc.c @@ -77,11 +77,15 @@ static irqreturn_t dpc_irq(int irq, void *context) if (status & PCI_EXP_DPC_STATUS_TRIGGER) { u16 reason = (status >> 1) & 0x3; + u16 ext_reason = (status >> 5) & 0x3; - dev_warn(&dpc->dev->device, "DPC %s triggered, remove downstream devices\n", + dev_warn(&dpc->dev->device, "DPC %s detected, remove downstream devices\n", (reason == 0) ? "unmasked uncorrectable error" : (reason == 1) ? "ERR_NONFATAL" : - (reason == 2) ? "ERR_FATAL" : "extended error"); + (reason == 2) ? "ERR_FATAL" : + (ext_reason == 0) ? "RP PIO error" : + (ext_reason == 1) ? "software trigger" : + "reserved error"); schedule_work(&dpc->work); } return IRQ_HANDLED;
This is just informational to decode the currently defined extended event reasons rather than just using the generic "extended" explanation. Signed-off-by: Keith Busch <keith.busch@intel.com> --- drivers/pci/pcie/pcie-dpc.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)