From: Anatoly Burakov <anatoly.burakov@intel.com>
Date: Tue, 28 Mar 2017 15:53:43 +0000 (+0100)
Subject: vfio: fix build on old kernel
X-Git-Tag: spdx-start~4352
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=468f42cc264580c078b892fe6886810fe996a75f;p=dpdk.git

vfio: fix build on old kernel

Fixing compile failures for kernels without sPAPR IOMMU support.

Fixes: 0fe9830b5345 ("eal/ppc: support sPAPR IOMMU for vfio-pci")

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
---

diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.h b/lib/librte_eal/linuxapp/eal/eal_vfio.h
index ac31a4fc10..0bf85bb595 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio.h
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio.h
@@ -59,22 +59,44 @@
 #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)
+
+/* SPAPR_v2 is not present, but SPAPR might be */
+#ifndef VFIO_SPAPR_TCE_IOMMU
+#define VFIO_IOMMU_SPAPR_TCE_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12)
+
+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;
+};
+#endif
+
 struct vfio_iommu_spapr_register_memory {
 	uint32_t argsz;
 	uint32_t flags;
 	uint64_t vaddr;
 	uint64_t size;
 };
+
 struct vfio_iommu_spapr_tce_create {
 	uint32_t argsz;
 	uint32_t page_shift;
 	uint64_t window_size;
 	uint32_t levels;
 };
+
 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;
+};
 #else
 #define RTE_VFIO_SPAPR VFIO_SPAPR_TCE_v2_IOMMU
 #endif