[dpdk-dev] [PATCH] vfio: fix compile on older kernels

Anatoly Burakov anatoly.burakov at intel.com
Tue Mar 21 17:08:03 CET 2017


From: "Burakov, Anatoly" <anatoly.burakov at intel.com>

Fixing compile failures for kernels without sPAPR IOMMU support.

Fixes: 0fe9830b5345 ("eal/ppc: support sPAPR IOMMU for vfio-pci")
Signed-off-by: Burakov, Anatoly <anatoly.burakov at intel.com>
---
 lib/librte_eal/linuxapp/eal/eal_vfio.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.h b/lib/librte_eal/linuxapp/eal/eal_vfio.h
index ac31a4f..58b7976 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio.h
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio.h
@@ -59,6 +59,7 @@
 #define VFIO_IOMMU_SPAPR_REGISTER_MEMORY _IO(VFIO_TYPE, VFIO_BASE + 17)
 #define VFIO_IOMMU_SPAPR_TCE_CREATE _IO(VFIO_TYPE, VFIO_BASE + 19)
 #define VFIO_IOMMU_SPAPR_TCE_REMOVE _IO(VFIO_TYPE, VFIO_BASE + 20)
+#define VFIO_IOMMU_SPAPR_TCE_GET_INFO	_IO(VFIO_TYPE, VFIO_BASE + 12)
 struct vfio_iommu_spapr_register_memory {
 	uint32_t argsz;
 	uint32_t flags;
@@ -75,6 +76,18 @@ struct vfio_iommu_spapr_tce_remove {
 	uint32_t argsz;
 	uint64_t start_addr;
 };
+struct vfio_iommu_spapr_tce_ddw_info {
+	uint64_t pgsizes;
+	uint32_t max_dynamic_windows_supported;
+	uint32_t levels;
+};
+struct vfio_iommu_spapr_tce_info {
+	uint32_t argsz;
+	uint32_t flags;
+	uint32_t dma32_window_start;
+	uint32_t dma32_window_size;
+	struct vfio_iommu_spapr_tce_ddw_info ddw;
+};
 #else
 #define RTE_VFIO_SPAPR VFIO_SPAPR_TCE_v2_IOMMU
 #endif
-- 
2.9.3



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