[dpdk-dev] [PATCH] vfio-pci: Fixing type used to unsigned long

Alejandro.Lucero alejandro.lucero at netronome.com
Thu Jun 25 16:42:14 CEST 2015


From: "Alejandro.Lucero" <alejandro.lucero at netronome.com>

VFIO kernel driver and mmap system call expect offset and size being 64 bits.

Due to this bug BAR index info given to the VFIO driver is always 0 when checking validity of resources mapping.
---
 lib/librte_eal/linuxapp/eal/eal_pci_vfio.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c b/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
index aea1fb1..29d8806 100644
--- a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
+++ b/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
@@ -728,7 +728,7 @@ pci_vfio_map_resource(struct rte_pci_device *dev)
 		struct vfio_region_info reg = { .argsz = sizeof(reg) };
 		void *bar_addr;
 		struct memreg {
-			uint32_t offset, size;
+			unsigned long offset, size;
 		} memreg[2] = {};
 
 		reg.index = i;
-- 
1.7.9.5



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