1 files changed, 122 insertions, 0 deletions
diff --git a/src/dpdk_lib18/librte_eal/linuxapp/eal/eal_pci_init.h b/src/dpdk_lib18/librte_eal/linuxapp/eal/eal_pci_init.h
new file mode 100755
index 00000000..1070eb88
--- /dev/null
+++ b/src/dpdk_lib18/librte_eal/linuxapp/eal/eal_pci_init.h
@@ -0,0 +1,122 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef EAL_PCI_INIT_H_
+#define EAL_PCI_INIT_H_
+
+#include "eal_vfio.h"
+
+struct pci_map {
+	void *addr;
+	uint64_t offset;
+	uint64_t size;
+	uint64_t phaddr;
+};
+
+/*
+ * For multi-process we need to reproduce all PCI mappings in secondary
+ * processes, so save them in a tailq.
+ */
+struct mapped_pci_resource {
+	TAILQ_ENTRY(mapped_pci_resource) next;
+
+	struct rte_pci_addr pci_addr;
+	char path[PATH_MAX];
+	int nb_maps;
+	struct pci_map maps[PCI_MAX_RESOURCE];
+};
+
+TAILQ_HEAD(mapped_pci_res_list, mapped_pci_resource);
+extern struct mapped_pci_res_list *pci_res_list;
+
+/*
+ * Helper function to map PCI resources right after hugepages in virtual memory
+ */
+extern void *pci_map_addr;
+void *pci_find_max_end_va(void);
+
+void *pci_map_resource(void *requested_addr, int fd, off_t offset,
+		size_t size);
+
+/* map IGB_UIO resource prototype */
+int pci_uio_map_resource(struct rte_pci_device *dev);
+
+#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);
+
+/* 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
+
+#endif /* EAL_PCI_INIT_H_ */