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-rw-r--r--lib/librte_eal/linuxapp/eal/eal_vfio.h60
1 files changed, 21 insertions, 39 deletions
diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.h b/lib/librte_eal/linuxapp/eal/eal_vfio.h
index 80595773..68d4750a 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio.h
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio.h
@@ -19,6 +19,7 @@
#ifdef VFIO_PRESENT
+#include <stdint.h>
#include <linux/vfio.h>
#define RTE_VFIO_TYPE1 VFIO_TYPE1_IOMMU
@@ -26,6 +27,7 @@
#ifndef VFIO_SPAPR_TCE_v2_IOMMU
#define RTE_VFIO_SPAPR 7
#define VFIO_IOMMU_SPAPR_REGISTER_MEMORY _IO(VFIO_TYPE, VFIO_BASE + 17)
+#define VFIO_IOMMU_SPAPR_UNREGISTER_MEMORY _IO(VFIO_TYPE, VFIO_BASE + 18)
#define VFIO_IOMMU_SPAPR_TCE_CREATE _IO(VFIO_TYPE, VFIO_BASE + 19)
#define VFIO_IOMMU_SPAPR_TCE_REMOVE _IO(VFIO_TYPE, VFIO_BASE + 20)
@@ -79,49 +81,37 @@ struct vfio_iommu_spapr_tce_info {
#define RTE_VFIO_SPAPR VFIO_SPAPR_TCE_v2_IOMMU
#endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 5, 0)
-#define RTE_VFIO_NOIOMMU 8
-#else
-#define RTE_VFIO_NOIOMMU VFIO_NOIOMMU_IOMMU
-#endif
-
#define VFIO_MAX_GROUPS RTE_MAX_VFIO_GROUPS
-
-/*
- * Function prototypes for VFIO multiprocess sync functions
- */
-int vfio_mp_sync_send_request(int socket, int req);
-int vfio_mp_sync_receive_request(int socket);
-int vfio_mp_sync_send_fd(int socket, int fd);
-int vfio_mp_sync_receive_fd(int socket);
-int vfio_mp_sync_connect_to_primary(void);
+#define VFIO_MAX_CONTAINERS RTE_MAX_VFIO_CONTAINERS
/*
* we don't need to store device fd's anywhere since they can be obtained from
* the group fd via an ioctl() call.
*/
struct vfio_group {
- int group_no;
+ int group_num;
int fd;
int devices;
};
-struct vfio_config {
- int vfio_enabled;
- int vfio_container_fd;
- int vfio_active_groups;
- struct vfio_group vfio_groups[VFIO_MAX_GROUPS];
-};
-
/* DMA mapping function prototype.
* Takes VFIO container fd as a parameter.
* Returns 0 on success, -1 on error.
* */
typedef int (*vfio_dma_func_t)(int);
+/* Custom memory region DMA mapping function prototype.
+ * Takes VFIO container fd, virtual address, phisical address, length and
+ * operation type (0 to unmap 1 for map) as a parameters.
+ * Returns 0 on success, -1 on error.
+ **/
+typedef int (*vfio_dma_user_func_t)(int fd, uint64_t vaddr, uint64_t iova,
+ uint64_t len, int do_map);
+
struct vfio_iommu_type {
int type_id;
const char *name;
+ vfio_dma_user_func_t dma_user_map_func;
vfio_dma_func_t dma_map_func;
};
@@ -133,30 +123,22 @@ vfio_set_iommu_type(int vfio_container_fd);
int
vfio_has_supported_extensions(int vfio_container_fd);
-/* open container fd or get an existing one */
-int
-vfio_get_container_fd(void);
-
-/* parse IOMMU group number for a device
- * returns 1 on success, -1 for errors, 0 for non-existent group
- */
-int
-vfio_get_group_no(const char *sysfs_base,
- const char *dev_addr, int *iommu_group_no);
-
-/* open group fd or get an existing one */
-int
-vfio_get_group_fd(int iommu_group_no);
-
int vfio_mp_sync_setup(void);
+#define EAL_VFIO_MP "eal_vfio_mp_sync"
+
#define SOCKET_REQ_CONTAINER 0x100
#define SOCKET_REQ_GROUP 0x200
-#define SOCKET_CLR_GROUP 0x300
#define SOCKET_OK 0x0
#define SOCKET_NO_FD 0x1
#define SOCKET_ERR 0xFF
+struct vfio_mp_param {
+ int req;
+ int result;
+ int group_num;
+};
+
#endif /* VFIO_PRESENT */
#endif /* EAL_VFIO_H_ */