vfio: enable independently of PCI bus

[dpdk.git] / lib / librte_eal / linuxapp / eal / eal_vfio.h

diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.h b/lib/librte_eal/linuxapp/eal/eal_vfio.h
index 429d625..4bab363 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal_vfio.h
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio.h
@@ -69,13 +69,21 @@ struct vfio_iommu_spapr_register_memory {
 
 struct vfio_iommu_spapr_tce_create {
        uint32_t argsz;
+       uint32_t flags;
+       /* in */
        uint32_t page_shift;
+       uint32_t __resv1;
        uint64_t window_size;
        uint32_t levels;
+       uint32_t __resv2;
+       /* out */
+       uint64_t start_addr;
 };
 
 struct vfio_iommu_spapr_tce_remove {
        uint32_t argsz;
+       uint32_t flags;
+       /* in */
        uint64_t start_addr;
 };
 
@@ -142,6 +150,8 @@ struct vfio_config {
 #define VFIO_NOIOMMU_GROUP_FMT "/dev/vfio/noiommu-%u"
 #define VFIO_GET_REGION_ADDR(x) ((uint64_t) x << 40ULL)
 #define VFIO_GET_REGION_IDX(x) (x >> 40)
+#define VFIO_NOIOMMU_MODE      \
+       "/sys/module/vfio/parameters/enable_unsafe_noiommu_mode"
 
 /* DMA mapping function prototype.
  * Takes VFIO container fd as a parameter.
@@ -197,11 +207,12 @@ int vfio_release_device(const char *sysfs_base, const char *dev_addr, int fd);
 int vfio_enable(const char *modname);
 int vfio_is_enabled(const char *modname);
 
-int pci_vfio_enable(void);
 int pci_vfio_is_enabled(void);
 
 int vfio_mp_sync_setup(void);
 
+int vfio_noiommu_is_enabled(void);
+
 #define SOCKET_REQ_CONTAINER 0x100
 #define SOCKET_REQ_GROUP 0x200
 #define SOCKET_CLR_GROUP 0x300