Author: hselasky
Date: Fri Dec 9 13:53:31 2016
New Revision: 309733
URL: https://svnweb.freebsd.org/changeset/base/309733
Log:
MSIX can support more than 256 IRQs. Make sure the invalid IRQ number
set in the LinuxKPI is big enough.
Sponsored by: Mellanox Technologies
MFC after: 1 week
Modified:
head/sys/compat/linuxkpi/common/include/linux/device.h
head/sys/compat/linuxkpi/common/src/linux_pci.c
Modified: head/sys/compat/linuxkpi/common/include/linux/device.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/device.h Fri Dec 9
13:47:50 2016 (r309732)
+++ head/sys/compat/linuxkpi/common/include/linux/device.h Fri Dec 9
13:53:31 2016 (r309733)
@@ -70,6 +70,7 @@ struct device {
uint64_t *dma_mask;
void *driver_data;
unsigned int irq;
+#define LINUX_IRQ_INVALID 65535
unsigned int msix;
unsigned int msix_max;
const struct attribute_group **groups;
Modified: head/sys/compat/linuxkpi/common/src/linux_pci.c
==============================================================================
--- head/sys/compat/linuxkpi/common/src/linux_pci.c Fri Dec 9 13:47:50
2016 (r309732)
+++ head/sys/compat/linuxkpi/common/src/linux_pci.c Fri Dec 9 13:53:31
2016 (r309733)
@@ -144,7 +144,7 @@ linux_pci_attach(device_t dev)
if (rle != NULL)
pdev->dev.irq = rle->start;
else
- pdev->dev.irq = 255;
+ pdev->dev.irq = LINUX_IRQ_INVALID;
pdev->irq = pdev->dev.irq;
DROP_GIANT();
spin_lock(&pci_lock);
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