vfio: initialize out of the PCI subsystem

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

diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_init.h b/lib/librte_eal/linuxapp/eal/eal_pci_init.h
index 7011753..6a960d1 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal_pci_init.h
+++ b/lib/librte_eal/linuxapp/eal/eal_pci_init.h
@@ -36,12 +36,22 @@
 
 #include "eal_vfio.h"
 
+/** IO resource type: */
+#define IORESOURCE_IO         0x00000100
+#define IORESOURCE_MEM        0x00000200
+
 /*
  * Helper function to map PCI resources right after hugepages in virtual memory
  */
 extern void *pci_map_addr;
 void *pci_find_max_end_va(void);
 
+/* parse one line of the "resource" sysfs file (note that the 'line'
+ * string is modified)
+ */
+int pci_parse_one_sysfs_resource(char *line, size_t len, uint64_t *phys_addr,
+       uint64_t *end_addr, uint64_t *flags);
+
 int pci_uio_alloc_resource(struct rte_pci_device *dev,
                struct mapped_pci_resource **uio_res);
 void pci_uio_free_resource(struct rte_pci_device *dev,
@@ -64,12 +74,6 @@ int pci_uio_ioport_unmap(struct rte_pci_ioport *p);
 
 #ifdef VFIO_PRESENT
 
-#define VFIO_MAX_GROUPS 64
-
-int pci_vfio_enable(void);
-int pci_vfio_is_enabled(void);
-int pci_vfio_mp_sync_setup(void);
-
 /* access config space */
 int pci_vfio_read_config(const struct rte_intr_handle *intr_handle,
                         void *buf, size_t len, off_t offs);
@@ -86,41 +90,6 @@ int pci_vfio_ioport_unmap(struct rte_pci_ioport *p);
 
 /* map VFIO resource prototype */
 int pci_vfio_map_resource(struct rte_pci_device *dev);
-int pci_vfio_get_group_fd(int iommu_group_fd);
-int pci_vfio_get_container_fd(void);
-
-/*
- * 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);
-
-/* socket comm protocol definitions */
-#define SOCKET_REQ_CONTAINER 0x100
-#define SOCKET_REQ_GROUP 0x200
-#define SOCKET_OK 0x0
-#define SOCKET_NO_FD 0x1
-#define SOCKET_ERR 0xFF
-
-/*
- * 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 fd;
-};
-
-struct vfio_config {
-       int vfio_enabled;
-       int vfio_container_fd;
-       int vfio_container_has_dma;
-       int vfio_group_idx;
-       struct vfio_group vfio_groups[VFIO_MAX_GROUPS];
-};
 
 #endif