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From: Hans Petter Selasky <hselasky@FreeBSD.org>
Date: Fri, 9 Dec 2016 13:53:31 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r309733 - in head/sys/compat/linuxkpi/common:
 include/linux src
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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);