New upstream version 17.11-rc3

Change-Id: I6a5baa40612fe0c20f30b5fa773a6cbbac63a685
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

29 files changed, 432 insertions, 4341 deletions

diff --git a/lib/librte_eal/linuxapp/Makefile b/lib/librte_eal/linuxapp/Makefile
index 4794696b..2ebdf313 100644
--- a/lib/librte_eal/linuxapp/Makefile
+++ b/lib/librte_eal/linuxapp/Makefile
@@ -35,7 +35,5 @@ DIRS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal
 DIRS-$(CONFIG_RTE_EAL_IGB_UIO) += igb_uio
 DIRS-$(CONFIG_RTE_KNI_KMOD) += kni
 DEPDIRS-kni := eal
-DIRS-$(CONFIG_RTE_LIBRTE_XEN_DOM0) += xen_dom0
-DEPDIRS-xen_dom0 := eal
 
 include $(RTE_SDK)/mk/rte.subdir.mk
diff --git a/lib/librte_eal/linuxapp/eal/Makefile b/lib/librte_eal/linuxapp/eal/Makefile
index 90bca4d6..5a7b8b2a 100644
--- a/lib/librte_eal/linuxapp/eal/Makefile
+++ b/lib/librte_eal/linuxapp/eal/Makefile
@@ -34,10 +34,10 @@ include $(RTE_SDK)/mk/rte.vars.mk
 LIB = librte_eal.a
 
 ARCH_DIR ?= $(RTE_ARCH)
-EXPORT_MAP := rte_eal_version.map
+EXPORT_MAP := ../../rte_eal_version.map
 VPATH += $(RTE_SDK)/lib/librte_eal/common/arch/$(ARCH_DIR)
 
-LIBABIVER := 5
+LIBABIVER := 6
 
 VPATH += $(RTE_SDK)/lib/librte_eal/common
 
@@ -58,16 +58,10 @@ endif
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) := eal.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_hugepage_info.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_memory.c
-ifeq ($(CONFIG_RTE_LIBRTE_XEN_DOM0),y)
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_xen_memory.c
-endif
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_thread.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_log.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_vfio.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_vfio_mp_sync.c
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_pci.c
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_pci_uio.c
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_pci_vfio.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_debug.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_lcore.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_timer.c
@@ -80,9 +74,6 @@ SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_timer.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_memzone.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_log.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_launch.c
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_vdev.c
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_pci.c
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_pci_uio.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_memory.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_tailqs.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_errno.c
@@ -104,6 +95,7 @@ SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += rte_service.c
 # from arch dir
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += rte_cpuflags.c
 SRCS-$(CONFIG_RTE_ARCH_X86) += rte_spinlock.c
+SRCS-y += rte_cycles.c
 
 CFLAGS_eal_common_cpuflags.o := $(CPUFLAGS_LIST)
 
@@ -116,13 +108,11 @@ CFLAGS_eal_thread.o := -D_GNU_SOURCE
 CFLAGS_eal_log.o := -D_GNU_SOURCE
 CFLAGS_eal_common_log.o := -D_GNU_SOURCE
 CFLAGS_eal_hugepage_info.o := -D_GNU_SOURCE
-CFLAGS_eal_pci.o := -D_GNU_SOURCE
-CFLAGS_eal_pci_uio.o := -D_GNU_SOURCE
-CFLAGS_eal_pci_vfio.o := -D_GNU_SOURCE
 CFLAGS_eal_common_whitelist.o := -D_GNU_SOURCE
 CFLAGS_eal_common_options.o := -D_GNU_SOURCE
 CFLAGS_eal_common_thread.o := -D_GNU_SOURCE
 CFLAGS_eal_common_lcore.o := -D_GNU_SOURCE
+CFLAGS_rte_cycles.o := -D_GNU_SOURCE
 
 # workaround for a gcc bug with noreturn attribute
 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12603
@@ -130,7 +120,7 @@ ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y)
 CFLAGS_eal_thread.o += -Wno-return-type
 endif
 
-INC := rte_interrupts.h rte_kni_common.h rte_dom0_common.h
+INC := rte_kni_common.h
 
 SYMLINK-$(CONFIG_RTE_EXEC_ENV_LINUXAPP)-include/exec-env := \
 	$(addprefix include/exec-env/,$(INC))
diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 48f12f44..229eec9f 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -56,7 +56,6 @@
 #include <rte_common.h>
 #include <rte_debug.h>
 #include <rte_memory.h>
-#include <rte_memzone.h>
 #include <rte_launch.h>
 #include <rte_eal.h>
 #include <rte_eal_memconfig.h>
@@ -71,12 +70,12 @@
 #include <rte_cpuflags.h>
 #include <rte_interrupts.h>
 #include <rte_bus.h>
-#include <rte_pci.h>
 #include <rte_dev.h>
 #include <rte_devargs.h>
 #include <rte_version.h>
 #include <rte_atomic.h>
 #include <malloc_heap.h>
+#include <rte_vfio.h>
 
 #include "eal_private.h"
 #include "eal_thread.h"
@@ -121,6 +120,13 @@ struct internal_config internal_config;
 /* used by rte_rdtsc() */
 int rte_cycles_vmware_tsc_map;
 
+/* Return mbuf pool ops name */
+const char *
+rte_eal_mbuf_default_mempool_ops(void)
+{
+	return internal_config.mbuf_pool_ops_name;
+}
+
 /* Return a pointer to the configuration structure */
 struct rte_config *
 rte_eal_get_configuration(void)
@@ -128,6 +134,12 @@ rte_eal_get_configuration(void)
 	return &rte_config;
 }
 
+enum rte_iova_mode
+rte_eal_iova_mode(void)
+{
+	return rte_eal_get_configuration()->iova_mode;
+}
+
 /* parse a sysfs (or other) file containing one integer value */
 int
 eal_parse_sysfs_value(const char *filename, unsigned long *val)
@@ -354,7 +366,6 @@ eal_usage(const char *prgname)
 	       "  --"OPT_BASE_VIRTADDR"     Base virtual address\n"
 	       "  --"OPT_CREATE_UIO_DEV"    Create /dev/uioX (usually done by hotplug)\n"
 	       "  --"OPT_VFIO_INTR"         Interrupt mode for VFIO (legacy|msi|msix)\n"
-	       "  --"OPT_XEN_DOM0"          Support running on Xen dom0 without hugetlbfs\n"
 	       "\n");
 	/* Allow the application to print its usage message too if hook is set */
 	if ( rte_application_usage_hook ) {
@@ -555,25 +566,12 @@ eal_parse_args(int argc, char **argv)
 			eal_usage(prgname);
 			exit(EXIT_SUCCESS);
 
-		/* long options */
-		case OPT_XEN_DOM0_NUM:
-#ifdef RTE_LIBRTE_XEN_DOM0
-			internal_config.xen_dom0_support = 1;
-#else
-			RTE_LOG(ERR, EAL, "Can't support DPDK app "
-				"running on Dom0, please configure"
-				" RTE_LIBRTE_XEN_DOM0=y\n");
-			ret = -1;
-			goto out;
-#endif
-			break;
-
 		case OPT_HUGE_DIR_NUM:
-			internal_config.hugepage_dir = optarg;
+			internal_config.hugepage_dir = strdup(optarg);
 			break;
 
 		case OPT_FILE_PREFIX_NUM:
-			internal_config.hugefile_prefix = optarg;
+			internal_config.hugefile_prefix = strdup(optarg);
 			break;
 
 		case OPT_SOCKET_MEM_NUM:
@@ -610,6 +608,10 @@ eal_parse_args(int argc, char **argv)
 			internal_config.create_uio_dev = 1;
 			break;
 
+		case OPT_MBUF_POOL_OPS_NAME_NUM:
+			internal_config.mbuf_pool_ops_name = optarg;
+			break;
+
 		default:
 			if (opt < OPT_LONG_MIN_NUM && isprint(opt)) {
 				RTE_LOG(ERR, EAL, "Option %c is not supported "
@@ -641,15 +643,6 @@ eal_parse_args(int argc, char **argv)
 		goto out;
 	}
 
-	/* --xen-dom0 doesn't make sense with --socket-mem */
-	if (internal_config.xen_dom0_support && internal_config.force_sockets == 1) {
-		RTE_LOG(ERR, EAL, "Options --"OPT_SOCKET_MEM" cannot be specified "
-			"together with --"OPT_XEN_DOM0"\n");
-		eal_usage(prgname);
-		ret = -1;
-		goto out;
-	}
-
 	if (optind >= 0)
 		argv[optind-1] = prgname;
 	ret = optind-1;
@@ -716,10 +709,9 @@ static int rte_eal_vfio_setup(void)
 {
 	int vfio_enabled = 0;
 
-	if (!internal_config.no_pci) {
-		pci_vfio_enable();
-		vfio_enabled |= pci_vfio_is_enabled();
-	}
+	if (rte_vfio_enable("vfio"))
+		return -1;
+	vfio_enabled = rte_vfio_is_enabled("vfio");
 
 	if (vfio_enabled) {
 
@@ -792,9 +784,40 @@ rte_eal_init(int argc, char **argv)
 		return -1;
 	}
 
+	if (eal_plugins_init() < 0) {
+		rte_eal_init_alert("Cannot init plugins\n");
+		rte_errno = EINVAL;
+		rte_atomic32_clear(&run_once);
+		return -1;
+	}
+
+	if (eal_option_device_parse()) {
+		rte_errno = ENODEV;
+		rte_atomic32_clear(&run_once);
+		return -1;
+	}
+
+	if (rte_bus_scan()) {
+		rte_eal_init_alert("Cannot scan the buses for devices\n");
+		rte_errno = ENODEV;
+		rte_atomic32_clear(&run_once);
+		return -1;
+	}
+
+	/* autodetect the iova mapping mode (default is iova_pa) */
+	rte_eal_get_configuration()->iova_mode = rte_bus_get_iommu_class();
+
+	/* Workaround for KNI which requires physical address to work */
+	if (rte_eal_get_configuration()->iova_mode == RTE_IOVA_VA &&
+			rte_eal_check_module("rte_kni") == 1) {
+		rte_eal_get_configuration()->iova_mode = RTE_IOVA_PA;
+		RTE_LOG(WARNING, EAL,
+			"Some devices want IOVA as VA but PA will be used because.. "
+			"KNI module inserted\n");
+	}
+
 	if (internal_config.no_hugetlbfs == 0 &&
 			internal_config.process_type != RTE_PROC_SECONDARY &&
-			internal_config.xen_dom0_support == 0 &&
 			eal_hugepage_info_init() < 0) {
 		rte_eal_init_alert("Cannot get hugepage information.");
 		rte_errno = EACCES;
@@ -873,9 +896,6 @@ rte_eal_init(int argc, char **argv)
 
 	eal_check_mem_on_local_socket();
 
-	if (eal_plugins_init() < 0)
-		rte_eal_init_alert("Cannot init plugins\n");
-
 	eal_thread_init_master(rte_config.master_lcore);
 
 	ret = eal_thread_dump_affinity(cpuset, RTE_CPU_AFFINITY_STR_LEN);
@@ -889,17 +909,6 @@ rte_eal_init(int argc, char **argv)
 		return -1;
 	}
 
-	if (eal_option_device_parse()) {
-		rte_errno = ENODEV;
-		return -1;
-	}
-
-	if (rte_bus_scan()) {
-		rte_eal_init_alert("Cannot scan the buses for devices\n");
-		rte_errno = ENODEV;
-		return -1;
-	}
-
 	RTE_LCORE_FOREACH_SLAVE(i) {
 
 		/*
@@ -983,6 +992,22 @@ int rte_eal_has_hugepages(void)
 	return ! internal_config.no_hugetlbfs;
 }
 
+int rte_eal_has_pci(void)
+{
+	return !internal_config.no_pci;
+}
+
+int rte_eal_create_uio_dev(void)
+{
+	return internal_config.create_uio_dev;
+}
+
+enum rte_intr_mode
+rte_eal_vfio_intr_mode(void)
+{
+	return internal_config.vfio_intr_mode;
+}
+
 int
 rte_eal_check_module(const char *module_name)
 {
diff --git a/lib/librte_eal/linuxapp/eal/eal_alarm.c b/lib/librte_eal/linuxapp/eal/eal_alarm.c
index fbae4613..8e4a775b 100644
--- a/lib/librte_eal/linuxapp/eal/eal_alarm.c
+++ b/lib/librte_eal/linuxapp/eal/eal_alarm.c
@@ -40,7 +40,6 @@
 #include <sys/timerfd.h>
 
 #include <rte_memory.h>
-#include <rte_memzone.h>
 #include <rte_interrupts.h>
 #include <rte_alarm.h>
 #include <rte_common.h>
diff --git a/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c b/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c
index 7a21e8f6..86e174fc 100644
--- a/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c
+++ b/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c
@@ -46,7 +46,6 @@
 #include <sys/queue.h>
 
 #include <rte_memory.h>
-#include <rte_memzone.h>
 #include <rte_eal.h>
 #include <rte_launch.h>
 #include <rte_per_lcore.h>
diff --git a/lib/librte_eal/linuxapp/eal/eal_interrupts.c b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
index 3e9ac41e..1c20693d 100644
--- a/lib/librte_eal/linuxapp/eal/eal_interrupts.c
+++ b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
@@ -51,7 +51,6 @@
 #include <rte_common.h>
 #include <rte_interrupts.h>
 #include <rte_memory.h>
-#include <rte_memzone.h>
 #include <rte_launch.h>
 #include <rte_eal.h>
 #include <rte_per_lcore.h>
@@ -60,7 +59,6 @@
 #include <rte_branch_prediction.h>
 #include <rte_debug.h>
 #include <rte_log.h>
-#include <rte_pci.h>
 #include <rte_malloc.h>
 #include <rte_errno.h>
 #include <rte_spinlock.h>
@@ -914,7 +912,7 @@ static void
 eal_intr_proc_rxtx_intr(int fd, const struct rte_intr_handle *intr_handle)
 {
 	union rte_intr_read_buffer buf;
-	int bytes_read = 1;
+	int bytes_read = 0;
 	int nbytes;
 
 	switch (intr_handle->type) {
@@ -930,11 +928,9 @@ eal_intr_proc_rxtx_intr(int fd, const struct rte_intr_handle *intr_handle)
 		break;
 #endif
 	case RTE_INTR_HANDLE_VDEV:
-		/* for vdev, fd points to:
-		 * a. eventfd which does not need to read out;
-		 * b. datapath fd which needs PMD to read out.
-		 */
-		return;
+		bytes_read = intr_handle->efd_counter_size;
+		/* For vdev, number of bytes to read is set by driver */
+		break;
 	case RTE_INTR_HANDLE_EXT:
 		return;
 	default:
@@ -947,6 +943,8 @@ eal_intr_proc_rxtx_intr(int fd, const struct rte_intr_handle *intr_handle)
 	 * read out to clear the ready-to-be-read flag
 	 * for epoll_wait.
 	 */
+	if (bytes_read == 0)
+		return;
 	do {
 		nbytes = read(fd, &buf, bytes_read);
 		if (nbytes < 0) {
@@ -1206,7 +1204,12 @@ rte_intr_efd_enable(struct rte_intr_handle *intr_handle, uint32_t nb_efd)
 		intr_handle->nb_efd   = n;
 		intr_handle->max_intr = NB_OTHER_INTR + n;
 	} else if (intr_handle->type == RTE_INTR_HANDLE_VDEV) {
-		/* do nothing, and let vdev driver to initialize this struct */
+		/* only check, initialization would be done in vdev driver.*/
+		if (intr_handle->efd_counter_size >
+		    sizeof(union rte_intr_read_buffer)) {
+			RTE_LOG(ERR, EAL, "the efd_counter_size is oversized");
+			return -EINVAL;
+		}
 	} else {
 		intr_handle->efds[0]  = intr_handle->fd;
 		intr_handle->nb_efd   = RTE_MIN(nb_efd, 1U);
diff --git a/lib/librte_eal/linuxapp/eal/eal_log.c b/lib/librte_eal/linuxapp/eal/eal_log.c
index e3a50aa3..c088bd9b 100644
--- a/lib/librte_eal/linuxapp/eal/eal_log.c
+++ b/lib/librte_eal/linuxapp/eal/eal_log.c
@@ -39,7 +39,6 @@
 #include <sys/queue.h>
 
 #include <rte_memory.h>
-#include <rte_memzone.h>
 #include <rte_eal.h>
 #include <rte_launch.h>
 #include <rte_per_lcore.h>
diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c b/lib/librte_eal/linuxapp/eal/eal_memory.c
index 52791282..a54b822a 100644
--- a/lib/librte_eal/linuxapp/eal/eal_memory.c
+++ b/lib/librte_eal/linuxapp/eal/eal_memory.c
@@ -59,7 +59,6 @@
 
 #include <rte_log.h>
 #include <rte_memory.h>
-#include <rte_memzone.h>
 #include <rte_launch.h>
 #include <rte_eal.h>
 #include <rte_eal_memconfig.h>
@@ -75,13 +74,6 @@
 
 #define PFN_MASK_SIZE	8
 
-#ifdef RTE_LIBRTE_XEN_DOM0
-int rte_xen_dom0_supported(void)
-{
-	return internal_config.xen_dom0_support;
-}
-#endif
-
 /**
  * @file
  * Huge page mapping under linux
@@ -106,10 +98,6 @@ test_phys_addrs_available(void)
 	uint64_t tmp;
 	phys_addr_t physaddr;
 
-	/* For dom0, phys addresses can always be available */
-	if (rte_xen_dom0_supported())
-		return;
-
 	if (!rte_eal_has_hugepages()) {
 		RTE_LOG(ERR, EAL,
 			"Started without hugepages support, physical addresses not available\n");
@@ -119,10 +107,11 @@ test_phys_addrs_available(void)
 
 	physaddr = rte_mem_virt2phy(&tmp);
 	if (physaddr == RTE_BAD_PHYS_ADDR) {
-		RTE_LOG(ERR, EAL,
-			"Cannot obtain physical addresses: %s. "
-			"Only vfio will function.\n",
-			strerror(errno));
+		if (rte_eal_iova_mode() == RTE_IOVA_PA)
+			RTE_LOG(ERR, EAL,
+				"Cannot obtain physical addresses: %s. "
+				"Only vfio will function.\n",
+				strerror(errno));
 		phys_addrs_available = false;
 	}
 }
@@ -139,32 +128,9 @@ rte_mem_virt2phy(const void *virtaddr)
 	int page_size;
 	off_t offset;
 
-	/* when using dom0, /proc/self/pagemap always returns 0, check in
-	 * dpdk memory by browsing the memsegs */
-	if (rte_xen_dom0_supported()) {
-		struct rte_mem_config *mcfg;
-		struct rte_memseg *memseg;
-		unsigned i;
-
-		mcfg = rte_eal_get_configuration()->mem_config;
-		for (i = 0; i < RTE_MAX_MEMSEG; i++) {
-			memseg = &mcfg->memseg[i];
-			if (memseg->addr == NULL)
-				break;
-			if (virtaddr > memseg->addr &&
-					virtaddr < RTE_PTR_ADD(memseg->addr,
-						memseg->len)) {
-				return memseg->phys_addr +
-					RTE_PTR_DIFF(virtaddr, memseg->addr);
-			}
-		}
-
-		return RTE_BAD_PHYS_ADDR;
-	}
-
 	/* Cannot parse /proc/self/pagemap, no need to log errors everywhere */
 	if (!phys_addrs_available)
-		return RTE_BAD_PHYS_ADDR;
+		return RTE_BAD_IOVA;
 
 	/* standard page size */
 	page_size = getpagesize();
@@ -173,7 +139,7 @@ rte_mem_virt2phy(const void *virtaddr)
 	if (fd < 0) {
 		RTE_LOG(ERR, EAL, "%s(): cannot open /proc/self/pagemap: %s\n",
 			__func__, strerror(errno));
-		return RTE_BAD_PHYS_ADDR;
+		return RTE_BAD_IOVA;
 	}
 
 	virt_pfn = (unsigned long)virtaddr / page_size;
@@ -182,7 +148,7 @@ rte_mem_virt2phy(const void *virtaddr)
 		RTE_LOG(ERR, EAL, "%s(): seek error in /proc/self/pagemap: %s\n",
 				__func__, strerror(errno));
 		close(fd);
-		return RTE_BAD_PHYS_ADDR;
+		return RTE_BAD_IOVA;
 	}
 
 	retval = read(fd, &page, PFN_MASK_SIZE);
@@ -190,12 +156,12 @@ rte_mem_virt2phy(const void *virtaddr)
 	if (retval < 0) {
 		RTE_LOG(ERR, EAL, "%s(): cannot read /proc/self/pagemap: %s\n",
 				__func__, strerror(errno));
-		return RTE_BAD_PHYS_ADDR;
+		return RTE_BAD_IOVA;
 	} else if (retval != PFN_MASK_SIZE) {
 		RTE_LOG(ERR, EAL, "%s(): read %d bytes from /proc/self/pagemap "
 				"but expected %d:\n",
 				__func__, retval, PFN_MASK_SIZE);
-		return RTE_BAD_PHYS_ADDR;
+		return RTE_BAD_IOVA;
 	}
 
 	/*
@@ -203,7 +169,7 @@ rte_mem_virt2phy(const void *virtaddr)
 	 * pagemap.txt in linux Documentation)
 	 */
 	if ((page & 0x7fffffffffffffULL) == 0)
-		return RTE_BAD_PHYS_ADDR;
+		return RTE_BAD_IOVA;
 
 	physaddr = ((page & 0x7fffffffffffffULL) * page_size)
 		+ ((unsigned long)virtaddr % page_size);
@@ -211,6 +177,14 @@ rte_mem_virt2phy(const void *virtaddr)
 	return physaddr;
 }
 
+rte_iova_t
+rte_mem_virt2iova(const void *virtaddr)
+{
+	if (rte_eal_iova_mode() == RTE_IOVA_VA)
+		return (uintptr_t)virtaddr;
+	return rte_mem_virt2phy(virtaddr);
+}
+
 /*
  * For each hugepage in hugepg_tbl, fill the physaddr value. We find
  * it by browsing the /proc/self/pagemap special file.
@@ -716,6 +690,8 @@ create_shared_memory(const char *filename, const size_t mem_size)
 	}
 	retval = mmap(NULL, mem_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
 	close(fd);
+	if (retval == MAP_FAILED)
+		return NULL;
 	return retval;
 }
 
@@ -1059,7 +1035,10 @@ rte_eal_hugepage_init(void)
 					strerror(errno));
 			return -1;
 		}
-		mcfg->memseg[0].phys_addr = RTE_BAD_PHYS_ADDR;
+		if (rte_eal_iova_mode() == RTE_IOVA_VA)
+			mcfg->memseg[0].iova = (uintptr_t)addr;
+		else
+			mcfg->memseg[0].iova = RTE_BAD_IOVA;
 		mcfg->memseg[0].addr = addr;
 		mcfg->memseg[0].hugepage_sz = RTE_PGSIZE_4K;
 		mcfg->memseg[0].len = internal_config.memory;
@@ -1067,17 +1046,6 @@ rte_eal_hugepage_init(void)
 		return 0;
 	}
 
-/* check if app runs on Xen Dom0 */
-	if (internal_config.xen_dom0_support) {
-#ifdef RTE_LIBRTE_XEN_DOM0
-		/* use dom0_mm kernel driver to init memory */
-		if (rte_xen_dom0_memory_init() < 0)
-			return -1;
-		else
-			return 0;
-#endif
-	}
-
 	/* calculate total number of hugepages available. at this point we haven't
 	 * yet started sorting them so they all are on socket 0 */
 	for (i = 0; i < (int) internal_config.num_hugepage_sizes; i++) {
@@ -1319,7 +1287,7 @@ rte_eal_hugepage_init(void)
 			if (j == RTE_MAX_MEMSEG)
 				break;
 
-			mcfg->memseg[j].phys_addr = hugepage[i].physaddr;
+			mcfg->memseg[j].iova = hugepage[i].physaddr;
 			mcfg->memseg[j].addr = hugepage[i].final_va;
 			mcfg->memseg[j].len = hugepage[i].size;
 			mcfg->memseg[j].socket_id = hugepage[i].socket_id;
@@ -1330,7 +1298,7 @@ rte_eal_hugepage_init(void)
 #ifdef RTE_ARCH_PPC_64
 		/* Use the phy and virt address of the last page as segment
 		 * address for IBM Power architecture */
-			mcfg->memseg[j].phys_addr = hugepage[i].physaddr;
+			mcfg->memseg[j].iova = hugepage[i].physaddr;
 			mcfg->memseg[j].addr = hugepage[i].final_va;
 #endif
 			mcfg->memseg[j].len += mcfg->memseg[j].hugepage_sz;
@@ -1400,17 +1368,6 @@ rte_eal_hugepage_attach(void)
 
 	test_phys_addrs_available();
 
-	if (internal_config.xen_dom0_support) {
-#ifdef RTE_LIBRTE_XEN_DOM0
-		if (rte_xen_dom0_memory_attach() < 0) {
-			RTE_LOG(ERR, EAL, "Failed to attach memory segments of primary "
-					"process\n");
-			return -1;
-		}
-		return 0;
-#endif
-	}
-
 	fd_zero = open("/dev/zero", O_RDONLY);
 	if (fd_zero < 0) {
 		RTE_LOG(ERR, EAL, "Could not open /dev/zero\n");
@@ -1542,7 +1499,7 @@ error:
 	return -1;
 }
 
-bool
+int
 rte_eal_using_phys_addrs(void)
 {
 	return phys_addrs_available;
diff --git a/lib/librte_eal/linuxapp/eal/eal_pci.c b/lib/librte_eal/linuxapp/eal/eal_pci.c
deleted file mode 100644
index 8951ce74..00000000
--- a/lib/librte_eal/linuxapp/eal/eal_pci.c
+++ /dev/null
@@ -1,722 +0,0 @@
-/*-
- *   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.
- */
-
-#include <string.h>
-#include <dirent.h>
-
-#include <rte_log.h>
-#include <rte_bus.h>
-#include <rte_pci.h>
-#include <rte_eal_memconfig.h>
-#include <rte_malloc.h>
-#include <rte_devargs.h>
-#include <rte_memcpy.h>
-
-#include "eal_filesystem.h"
-#include "eal_private.h"
-#include "eal_pci_init.h"
-
-/**
- * @file
- * PCI probing under linux
- *
- * This code is used to simulate a PCI probe by parsing information in sysfs.
- * When a registered device matches a driver, it is then initialized with
- * IGB_UIO driver (or doesn't initialize, if the device wasn't bound to it).
- */
-
-extern struct rte_pci_bus rte_pci_bus;
-
-static int
-pci_get_kernel_driver_by_path(const char *filename, char *dri_name)
-{
-	int count;
-	char path[PATH_MAX];
-	char *name;
-
-	if (!filename || !dri_name)
-		return -1;
-
-	count = readlink(filename, path, PATH_MAX);
-	if (count >= PATH_MAX)
-		return -1;
-
-	/* For device does not have a driver */
-	if (count < 0)
-		return 1;
-
-	path[count] = '\0';
-
-	name = strrchr(path, '/');
-	if (name) {
-		strncpy(dri_name, name + 1, strlen(name + 1) + 1);
-		return 0;
-	}
-
-	return -1;
-}
-
-/* Map pci device */
-int
-rte_pci_map_device(struct rte_pci_device *dev)
-{
-	int ret = -1;
-
-	/* try mapping the NIC resources using VFIO if it exists */
-	switch (dev->kdrv) {
-	case RTE_KDRV_VFIO:
-#ifdef VFIO_PRESENT
-		if (pci_vfio_is_enabled())
-			ret = pci_vfio_map_resource(dev);
-#endif
-		break;
-	case RTE_KDRV_IGB_UIO:
-	case RTE_KDRV_UIO_GENERIC:
-		if (rte_eal_using_phys_addrs()) {
-			/* map resources for devices that use uio */
-			ret = pci_uio_map_resource(dev);
-		}
-		break;
-	default:
-		RTE_LOG(DEBUG, EAL,
-			"  Not managed by a supported kernel driver, skipped\n");
-		ret = 1;
-		break;
-	}
-
-	return ret;
-}
-
-/* Unmap pci device */
-void
-rte_pci_unmap_device(struct rte_pci_device *dev)
-{
-	/* try unmapping the NIC resources using VFIO if it exists */
-	switch (dev->kdrv) {
-	case RTE_KDRV_VFIO:
-#ifdef VFIO_PRESENT
-		if (pci_vfio_is_enabled())
-			pci_vfio_unmap_resource(dev);
-#endif
-		break;
-	case RTE_KDRV_IGB_UIO:
-	case RTE_KDRV_UIO_GENERIC:
-		/* unmap resources for devices that use uio */
-		pci_uio_unmap_resource(dev);
-		break;
-	default:
-		RTE_LOG(DEBUG, EAL,
-			"  Not managed by a supported kernel driver, skipped\n");
-		break;
-	}
-}
-
-void *
-pci_find_max_end_va(void)
-{
-	const struct rte_memseg *seg = rte_eal_get_physmem_layout();
-	const struct rte_memseg *last = seg;
-	unsigned i = 0;
-
-	for (i = 0; i < RTE_MAX_MEMSEG; i++, seg++) {
-		if (seg->addr == NULL)
-			break;
-
-		if (seg->addr > last->addr)
-			last = seg;
-
-	}
-	return RTE_PTR_ADD(last->addr, last->len);
-}
-
-/* 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)
-{
-	union pci_resource_info {
-		struct {
-			char *phys_addr;
-			char *end_addr;
-			char *flags;
-		};
-		char *ptrs[PCI_RESOURCE_FMT_NVAL];
-	} res_info;
-
-	if (rte_strsplit(line, len, res_info.ptrs, 3, ' ') != 3) {
-		RTE_LOG(ERR, EAL,
-			"%s(): bad resource format\n", __func__);
-		return -1;
-	}
-	errno = 0;
-	*phys_addr = strtoull(res_info.phys_addr, NULL, 16);
-	*end_addr = strtoull(res_info.end_addr, NULL, 16);
-	*flags = strtoull(res_info.flags, NULL, 16);
-	if (errno != 0) {
-		RTE_LOG(ERR, EAL,
-			"%s(): bad resource format\n", __func__);
-		return -1;
-	}
-
-	return 0;
-}
-
-/* parse the "resource" sysfs file */
-static int
-pci_parse_sysfs_resource(const char *filename, struct rte_pci_device *dev)
-{
-	FILE *f;
-	char buf[BUFSIZ];
-	int i;
-	uint64_t phys_addr, end_addr, flags;
-
-	f = fopen(filename, "r");
-	if (f == NULL) {
-		RTE_LOG(ERR, EAL, "Cannot open sysfs resource\n");
-		return -1;
-	}
-
-	for (i = 0; i<PCI_MAX_RESOURCE; i++) {
-
-		if (fgets(buf, sizeof(buf), f) == NULL) {
-			RTE_LOG(ERR, EAL,
-				"%s(): cannot read resource\n", __func__);
-			goto error;
-		}
-		if (pci_parse_one_sysfs_resource(buf, sizeof(buf), &phys_addr,
-				&end_addr, &flags) < 0)
-			goto error;
-
-		if (flags & IORESOURCE_MEM) {
-			dev->mem_resource[i].phys_addr = phys_addr;
-			dev->mem_resource[i].len = end_addr - phys_addr + 1;
-			/* not mapped for now */
-			dev->mem_resource[i].addr = NULL;
-		}
-	}
-	fclose(f);
-	return 0;
-
-error:
-	fclose(f);
-	return -1;
-}
-
-/* Scan one pci sysfs entry, and fill the devices list from it. */
-static int
-pci_scan_one(const char *dirname, const struct rte_pci_addr *addr)
-{
-	char filename[PATH_MAX];
-	unsigned long tmp;
-	struct rte_pci_device *dev;
-	char driver[PATH_MAX];
-	int ret;
-
-	dev = malloc(sizeof(*dev));
-	if (dev == NULL)
-		return -1;
-
-	memset(dev, 0, sizeof(*dev));
-	dev->addr = *addr;
-
-	/* get vendor id */
-	snprintf(filename, sizeof(filename), "%s/vendor", dirname);
-	if (eal_parse_sysfs_value(filename, &tmp) < 0) {
-		free(dev);
-		return -1;
-	}
-	dev->id.vendor_id = (uint16_t)tmp;
-
-	/* get device id */
-	snprintf(filename, sizeof(filename), "%s/device", dirname);
-	if (eal_parse_sysfs_value(filename, &tmp) < 0) {
-		free(dev);
-		return -1;
-	}
-	dev->id.device_id = (uint16_t)tmp;
-
-	/* get subsystem_vendor id */
-	snprintf(filename, sizeof(filename), "%s/subsystem_vendor",
-		 dirname);
-	if (eal_parse_sysfs_value(filename, &tmp) < 0) {
-		free(dev);
-		return -1;
-	}
-	dev->id.subsystem_vendor_id = (uint16_t)tmp;
-
-	/* get subsystem_device id */
-	snprintf(filename, sizeof(filename), "%s/subsystem_device",
-		 dirname);
-	if (eal_parse_sysfs_value(filename, &tmp) < 0) {
-		free(dev);
-		return -1;
-	}
-	dev->id.subsystem_device_id = (uint16_t)tmp;
-
-	/* get class_id */
-	snprintf(filename, sizeof(filename), "%s/class",
-		 dirname);
-	if (eal_parse_sysfs_value(filename, &tmp) < 0) {
-		free(dev);
-		return -1;
-	}
-	/* the least 24 bits are valid: class, subclass, program interface */
-	dev->id.class_id = (uint32_t)tmp & RTE_CLASS_ANY_ID;
-
-	/* get max_vfs */
-	dev->max_vfs = 0;
-	snprintf(filename, sizeof(filename), "%s/max_vfs", dirname);
-	if (!access(filename, F_OK) &&
-	    eal_parse_sysfs_value(filename, &tmp) == 0)
-		dev->max_vfs = (uint16_t)tmp;
-	else {
-		/* for non igb_uio driver, need kernel version >= 3.8 */
-		snprintf(filename, sizeof(filename),
-			 "%s/sriov_numvfs", dirname);
-		if (!access(filename, F_OK) &&
-		    eal_parse_sysfs_value(filename, &tmp) == 0)
-			dev->max_vfs = (uint16_t)tmp;
-	}
-
-	/* get numa node, default to 0 if not present */
-	snprintf(filename, sizeof(filename), "%s/numa_node",
-		 dirname);
-
-	if (access(filename, F_OK) != -1) {
-		if (eal_parse_sysfs_value(filename, &tmp) == 0)
-			dev->device.numa_node = tmp;
-		else
-			dev->device.numa_node = -1;
-	} else {
-		dev->device.numa_node = 0;
-	}
-
-	pci_name_set(dev);
-
-	/* parse resources */
-	snprintf(filename, sizeof(filename), "%s/resource", dirname);
-	if (pci_parse_sysfs_resource(filename, dev) < 0) {
-		RTE_LOG(ERR, EAL, "%s(): cannot parse resource\n", __func__);
-		free(dev);
-		return -1;
-	}
-
-	/* parse driver */
-	snprintf(filename, sizeof(filename), "%s/driver", dirname);
-	ret = pci_get_kernel_driver_by_path(filename, driver);
-	if (ret < 0) {
-		RTE_LOG(ERR, EAL, "Fail to get kernel driver\n");
-		free(dev);
-		return -1;
-	}
-
-	if (!ret) {
-		if (!strcmp(driver, "vfio-pci"))
-			dev->kdrv = RTE_KDRV_VFIO;
-		else if (!strcmp(driver, "igb_uio"))
-			dev->kdrv = RTE_KDRV_IGB_UIO;
-		else if (!strcmp(driver, "uio_pci_generic"))
-			dev->kdrv = RTE_KDRV_UIO_GENERIC;
-		else
-			dev->kdrv = RTE_KDRV_UNKNOWN;
-	} else
-		dev->kdrv = RTE_KDRV_NONE;
-
-	/* device is valid, add in list (sorted) */
-	if (TAILQ_EMPTY(&rte_pci_bus.device_list)) {
-		rte_pci_add_device(dev);
-	} else {
-		struct rte_pci_device *dev2;
-		int ret;
-
-		TAILQ_FOREACH(dev2, &rte_pci_bus.device_list, next) {
-			ret = rte_eal_compare_pci_addr(&dev->addr, &dev2->addr);
-			if (ret > 0)
-				continue;
-
-			if (ret < 0) {
-				rte_pci_insert_device(dev2, dev);
-			} else { /* already registered */
-				dev2->kdrv = dev->kdrv;
-				dev2->max_vfs = dev->max_vfs;
-				pci_name_set(dev2);
-				memmove(dev2->mem_resource, dev->mem_resource,
-					sizeof(dev->mem_resource));
-				free(dev);
-			}
-			return 0;
-		}
-
-		rte_pci_add_device(dev);
-	}
-
-	return 0;
-}
-
-int
-pci_update_device(const struct rte_pci_addr *addr)
-{
-	char filename[PATH_MAX];
-
-	snprintf(filename, sizeof(filename), "%s/" PCI_PRI_FMT,
-		 pci_get_sysfs_path(), addr->domain, addr->bus, addr->devid,
-		 addr->function);
-
-	return pci_scan_one(filename, addr);
-}
-
-/*
- * split up a pci address into its constituent parts.
- */
-static int
-parse_pci_addr_format(const char *buf, int bufsize, struct rte_pci_addr *addr)
-{
-	/* first split on ':' */
-	union splitaddr {
-		struct {
-			char *domain;
-			char *bus;
-			char *devid;
-			char *function;
-		};
-		char *str[PCI_FMT_NVAL]; /* last element-separator is "." not ":" */
-	} splitaddr;
-
-	char *buf_copy = strndup(buf, bufsize);
-	if (buf_copy == NULL)
-		return -1;
-
-	if (rte_strsplit(buf_copy, bufsize, splitaddr.str, PCI_FMT_NVAL, ':')
-			!= PCI_FMT_NVAL - 1)
-		goto error;
-	/* final split is on '.' between devid and function */
-	splitaddr.function = strchr(splitaddr.devid,'.');
-	if (splitaddr.function == NULL)
-		goto error;
-	*splitaddr.function++ = '\0';
-
-	/* now convert to int values */
-	errno = 0;
-	addr->domain = strtoul(splitaddr.domain, NULL, 16);
-	addr->bus = strtoul(splitaddr.bus, NULL, 16);
-	addr->devid = strtoul(splitaddr.devid, NULL, 16);
-	addr->function = strtoul(splitaddr.function, NULL, 10);
-	if (errno != 0)
-		goto error;
-
-	free(buf_copy); /* free the copy made with strdup */
-	return 0;
-error:
-	free(buf_copy);
-	return -1;
-}
-
-/*
- * Scan the content of the PCI bus, and the devices in the devices
- * list
- */
-int
-rte_pci_scan(void)
-{
-	struct dirent *e;
-	DIR *dir;
-	char dirname[PATH_MAX];
-	struct rte_pci_addr addr;
-
-	/* for debug purposes, PCI can be disabled */
-	if (internal_config.no_pci)
-		return 0;
-
-	dir = opendir(pci_get_sysfs_path());
-	if (dir == NULL) {
-		RTE_LOG(ERR, EAL, "%s(): opendir failed: %s\n",
-			__func__, strerror(errno));
-		return -1;
-	}
-
-	while ((e = readdir(dir)) != NULL) {
-		if (e->d_name[0] == '.')
-			continue;
-
-		if (parse_pci_addr_format(e->d_name, sizeof(e->d_name), &addr) != 0)
-			continue;
-
-		snprintf(dirname, sizeof(dirname), "%s/%s",
-				pci_get_sysfs_path(), e->d_name);
-
-		if (pci_scan_one(dirname, &addr) < 0)
-			goto error;
-	}
-	closedir(dir);
-	return 0;
-
-error:
-	closedir(dir);
-	return -1;
-}
-
-/* Read PCI config space. */
-int rte_pci_read_config(const struct rte_pci_device *device,
-		void *buf, size_t len, off_t offset)
-{
-	const struct rte_intr_handle *intr_handle = &device->intr_handle;
-
-	switch (intr_handle->type) {
-	case RTE_INTR_HANDLE_UIO:
-	case RTE_INTR_HANDLE_UIO_INTX:
-		return pci_uio_read_config(intr_handle, buf, len, offset);
-
-#ifdef VFIO_PRESENT
-	case RTE_INTR_HANDLE_VFIO_MSIX:
-	case RTE_INTR_HANDLE_VFIO_MSI:
-	case RTE_INTR_HANDLE_VFIO_LEGACY:
-		return pci_vfio_read_config(intr_handle, buf, len, offset);
-#endif
-	default:
-		RTE_LOG(ERR, EAL,
-			"Unknown handle type of fd %d\n",
-					intr_handle->fd);
-		return -1;
-	}
-}
-
-/* Write PCI config space. */
-int rte_pci_write_config(const struct rte_pci_device *device,
-		const void *buf, size_t len, off_t offset)
-{
-	const struct rte_intr_handle *intr_handle = &device->intr_handle;
-
-	switch (intr_handle->type) {
-	case RTE_INTR_HANDLE_UIO:
-	case RTE_INTR_HANDLE_UIO_INTX:
-		return pci_uio_write_config(intr_handle, buf, len, offset);
-
-#ifdef VFIO_PRESENT
-	case RTE_INTR_HANDLE_VFIO_MSIX:
-	case RTE_INTR_HANDLE_VFIO_MSI:
-	case RTE_INTR_HANDLE_VFIO_LEGACY:
-		return pci_vfio_write_config(intr_handle, buf, len, offset);
-#endif
-	default:
-		RTE_LOG(ERR, EAL,
-			"Unknown handle type of fd %d\n",
-					intr_handle->fd);
-		return -1;
-	}
-}
-
-#if defined(RTE_ARCH_X86)
-static int
-pci_ioport_map(struct rte_pci_device *dev, int bar __rte_unused,
-		struct rte_pci_ioport *p)
-{
-	uint16_t start, end;
-	FILE *fp;
-	char *line = NULL;
-	char pci_id[16];
-	int found = 0;
-	size_t linesz;
-
-	snprintf(pci_id, sizeof(pci_id), PCI_PRI_FMT,
-		 dev->addr.domain, dev->addr.bus,
-		 dev->addr.devid, dev->addr.function);
-
-	fp = fopen("/proc/ioports", "r");
-	if (fp == NULL) {
-		RTE_LOG(ERR, EAL, "%s(): can't open ioports\n", __func__);
-		return -1;
-	}
-
-	while (getdelim(&line, &linesz, '\n', fp) > 0) {
-		char *ptr = line;
-		char *left;
-		int n;
-
-		n = strcspn(ptr, ":");
-		ptr[n] = 0;
-		left = &ptr[n + 1];
-
-		while (*left && isspace(*left))
-			left++;
-
-		if (!strncmp(left, pci_id, strlen(pci_id))) {
-			found = 1;
-
-			while (*ptr && isspace(*ptr))
-				ptr++;
-
-			sscanf(ptr, "%04hx-%04hx", &start, &end);
-
-			break;
-		}
-	}
-
-	free(line);
-	fclose(fp);
-
-	if (!found)
-		return -1;
-
-	dev->intr_handle.type = RTE_INTR_HANDLE_UNKNOWN;
-	p->base = start;
-	RTE_LOG(DEBUG, EAL, "PCI Port IO found start=0x%x\n", start);
-
-	return 0;
-}
-#endif
-
-int
-rte_pci_ioport_map(struct rte_pci_device *dev, int bar,
-		struct rte_pci_ioport *p)
-{
-	int ret = -1;
-
-	switch (dev->kdrv) {
-#ifdef VFIO_PRESENT
-	case RTE_KDRV_VFIO:
-		if (pci_vfio_is_enabled())
-			ret = pci_vfio_ioport_map(dev, bar, p);
-		break;
-#endif
-	case RTE_KDRV_IGB_UIO:
-		ret = pci_uio_ioport_map(dev, bar, p);
-		break;
-	case RTE_KDRV_UIO_GENERIC:
-#if defined(RTE_ARCH_X86)
-		ret = pci_ioport_map(dev, bar, p);
-#else
-		ret = pci_uio_ioport_map(dev, bar, p);
-#endif
-		break;
-	case RTE_KDRV_NONE:
-#if defined(RTE_ARCH_X86)
-		ret = pci_ioport_map(dev, bar, p);
-#endif
-		break;
-	default:
-		break;
-	}
-
-	if (!ret)
-		p->dev = dev;
-
-	return ret;
-}
-
-void
-rte_pci_ioport_read(struct rte_pci_ioport *p,
-		void *data, size_t len, off_t offset)
-{
-	switch (p->dev->kdrv) {
-#ifdef VFIO_PRESENT
-	case RTE_KDRV_VFIO:
-		pci_vfio_ioport_read(p, data, len, offset);
-		break;
-#endif
-	case RTE_KDRV_IGB_UIO:
-		pci_uio_ioport_read(p, data, len, offset);
-		break;
-	case RTE_KDRV_UIO_GENERIC:
-		pci_uio_ioport_read(p, data, len, offset);
-		break;
-	case RTE_KDRV_NONE:
-#if defined(RTE_ARCH_X86)
-		pci_uio_ioport_read(p, data, len, offset);
-#endif
-		break;
-	default:
-		break;
-	}
-}
-
-void
-rte_pci_ioport_write(struct rte_pci_ioport *p,
-		const void *data, size_t len, off_t offset)
-{
-	switch (p->dev->kdrv) {
-#ifdef VFIO_PRESENT
-	case RTE_KDRV_VFIO:
-		pci_vfio_ioport_write(p, data, len, offset);
-		break;
-#endif
-	case RTE_KDRV_IGB_UIO:
-		pci_uio_ioport_write(p, data, len, offset);
-		break;
-	case RTE_KDRV_UIO_GENERIC:
-		pci_uio_ioport_write(p, data, len, offset);
-		break;
-	case RTE_KDRV_NONE:
-#if defined(RTE_ARCH_X86)
-		pci_uio_ioport_write(p, data, len, offset);
-#endif
-		break;
-	default:
-		break;
-	}
-}
-
-int
-rte_pci_ioport_unmap(struct rte_pci_ioport *p)
-{
-	int ret = -1;
-
-	switch (p->dev->kdrv) {
-#ifdef VFIO_PRESENT
-	case RTE_KDRV_VFIO:
-		if (pci_vfio_is_enabled())
-			ret = pci_vfio_ioport_unmap(p);
-		break;
-#endif
-	case RTE_KDRV_IGB_UIO:
-		ret = pci_uio_ioport_unmap(p);
-		break;
-	case RTE_KDRV_UIO_GENERIC:
-#if defined(RTE_ARCH_X86)
-		ret = 0;
-#else
-		ret = pci_uio_ioport_unmap(p);
-#endif
-		break;
-	case RTE_KDRV_NONE:
-#if defined(RTE_ARCH_X86)
-		ret = 0;
-#endif
-		break;
-	default:
-		break;
-	}
-
-	return ret;
-}
diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_init.h b/lib/librte_eal/linuxapp/eal/eal_pci_init.h
deleted file mode 100644
index ae2980d6..00000000
--- a/lib/librte_eal/linuxapp/eal/eal_pci_init.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*-
- *   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"
-
-/** 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,
-		struct mapped_pci_resource *uio_res);
-int pci_uio_map_resource_by_index(struct rte_pci_device *dev, int res_idx,
-		struct mapped_pci_resource *uio_res, int map_idx);
-
-int pci_uio_read_config(const struct rte_intr_handle *intr_handle,
-			void *buf, size_t len, off_t offs);
-int pci_uio_write_config(const struct rte_intr_handle *intr_handle,
-			 const void *buf, size_t len, off_t offs);
-
-int pci_uio_ioport_map(struct rte_pci_device *dev, int bar,
-		       struct rte_pci_ioport *p);
-void pci_uio_ioport_read(struct rte_pci_ioport *p,
-			 void *data, size_t len, off_t offset);
-void pci_uio_ioport_write(struct rte_pci_ioport *p,
-			  const void *data, size_t len, off_t offset);
-int pci_uio_ioport_unmap(struct rte_pci_ioport *p);
-
-#ifdef VFIO_PRESENT
-
-/* access config space */
-int pci_vfio_read_config(const struct rte_intr_handle *intr_handle,
-			 void *buf, size_t len, off_t offs);
-int pci_vfio_write_config(const struct rte_intr_handle *intr_handle,
-			  const void *buf, size_t len, off_t offs);
-
-int pci_vfio_ioport_map(struct rte_pci_device *dev, int bar,
-		        struct rte_pci_ioport *p);
-void pci_vfio_ioport_read(struct rte_pci_ioport *p,
-			  void *data, size_t len, off_t offset);
-void pci_vfio_ioport_write(struct rte_pci_ioport *p,
-			   const void *data, size_t len, off_t offset);
-int pci_vfio_ioport_unmap(struct rte_pci_ioport *p);
-
-/* map/unmap VFIO resource prototype */
-int pci_vfio_map_resource(struct rte_pci_device *dev);
-int pci_vfio_unmap_resource(struct rte_pci_device *dev);
-
-#endif
-
-#endif /* EAL_PCI_INIT_H_ */
diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_uio.c b/lib/librte_eal/linuxapp/eal/eal_pci_uio.c
deleted file mode 100644
index fa10329f..00000000
--- a/lib/librte_eal/linuxapp/eal/eal_pci_uio.c
+++ /dev/null
@@ -1,567 +0,0 @@
-/*-
- *   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.
- */
-
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <inttypes.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <sys/sysmacros.h>
-#include <linux/pci_regs.h>
-
-#if defined(RTE_ARCH_X86)
-#include <sys/io.h>
-#endif
-
-#include <rte_log.h>
-#include <rte_pci.h>
-#include <rte_eal_memconfig.h>
-#include <rte_common.h>
-#include <rte_malloc.h>
-
-#include "eal_filesystem.h"
-#include "eal_pci_init.h"
-
-void *pci_map_addr = NULL;
-
-#define OFF_MAX              ((uint64_t)(off_t)-1)
-
-int
-pci_uio_read_config(const struct rte_intr_handle *intr_handle,
-		    void *buf, size_t len, off_t offset)
-{
-	return pread(intr_handle->uio_cfg_fd, buf, len, offset);
-}
-
-int
-pci_uio_write_config(const struct rte_intr_handle *intr_handle,
-		     const void *buf, size_t len, off_t offset)
-{
-	return pwrite(intr_handle->uio_cfg_fd, buf, len, offset);
-}
-
-static int
-pci_uio_set_bus_master(int dev_fd)
-{
-	uint16_t reg;
-	int ret;
-
-	ret = pread(dev_fd, &reg, sizeof(reg), PCI_COMMAND);
-	if (ret != sizeof(reg)) {
-		RTE_LOG(ERR, EAL,
-			"Cannot read command from PCI config space!\n");
-		return -1;
-	}
-
-	/* return if bus mastering is already on */
-	if (reg & PCI_COMMAND_MASTER)
-		return 0;
-
-	reg |= PCI_COMMAND_MASTER;
-
-	ret = pwrite(dev_fd, &reg, sizeof(reg), PCI_COMMAND);
-	if (ret != sizeof(reg)) {
-		RTE_LOG(ERR, EAL,
-			"Cannot write command to PCI config space!\n");
-		return -1;
-	}
-
-	return 0;
-}
-
-static int
-pci_mknod_uio_dev(const char *sysfs_uio_path, unsigned uio_num)
-{
-	FILE *f;
-	char filename[PATH_MAX];
-	int ret;
-	unsigned major, minor;
-	dev_t dev;
-
-	/* get the name of the sysfs file that contains the major and minor
-	 * of the uio device and read its content */
-	snprintf(filename, sizeof(filename), "%s/dev", sysfs_uio_path);
-
-	f = fopen(filename, "r");
-	if (f == NULL) {
-		RTE_LOG(ERR, EAL, "%s(): cannot open sysfs to get major:minor\n",
-			__func__);
-		return -1;
-	}
-
-	ret = fscanf(f, "%u:%u", &major, &minor);
-	if (ret != 2) {
-		RTE_LOG(ERR, EAL, "%s(): cannot parse sysfs to get major:minor\n",
-			__func__);
-		fclose(f);
-		return -1;
-	}
-	fclose(f);
-
-	/* create the char device "mknod /dev/uioX c major minor" */
-	snprintf(filename, sizeof(filename), "/dev/uio%u", uio_num);
-	dev = makedev(major, minor);
-	ret = mknod(filename, S_IFCHR | S_IRUSR | S_IWUSR, dev);
-	if (ret != 0) {
-		RTE_LOG(ERR, EAL, "%s(): mknod() failed %s\n",
-			__func__, strerror(errno));
-		return -1;
-	}
-
-	return ret;
-}
-
-/*
- * Return the uioX char device used for a pci device. On success, return
- * the UIO number and fill dstbuf string with the path of the device in
- * sysfs. On error, return a negative value. In this case dstbuf is
- * invalid.
- */
-static int
-pci_get_uio_dev(struct rte_pci_device *dev, char *dstbuf,
-			   unsigned int buflen, int create)
-{
-	struct rte_pci_addr *loc = &dev->addr;
-	unsigned int uio_num;
-	struct dirent *e;
-	DIR *dir;
-	char dirname[PATH_MAX];
-
-	/* depending on kernel version, uio can be located in uio/uioX
-	 * or uio:uioX */
-
-	snprintf(dirname, sizeof(dirname),
-			"%s/" PCI_PRI_FMT "/uio", pci_get_sysfs_path(),
-			loc->domain, loc->bus, loc->devid, loc->function);
-
-	dir = opendir(dirname);
-	if (dir == NULL) {
-		/* retry with the parent directory */
-		snprintf(dirname, sizeof(dirname),
-				"%s/" PCI_PRI_FMT, pci_get_sysfs_path(),
-				loc->domain, loc->bus, loc->devid, loc->function);
-		dir = opendir(dirname);
-
-		if (dir == NULL) {
-			RTE_LOG(ERR, EAL, "Cannot opendir %s\n", dirname);
-			return -1;
-		}
-	}
-
-	/* take the first file starting with "uio" */
-	while ((e = readdir(dir)) != NULL) {
-		/* format could be uio%d ...*/
-		int shortprefix_len = sizeof("uio") - 1;
-		/* ... or uio:uio%d */
-		int longprefix_len = sizeof("uio:uio") - 1;
-		char *endptr;
-
-		if (strncmp(e->d_name, "uio", 3) != 0)
-			continue;
-
-		/* first try uio%d */
-		errno = 0;
-		uio_num = strtoull(e->d_name + shortprefix_len, &endptr, 10);
-		if (errno == 0 && endptr != (e->d_name + shortprefix_len)) {
-			snprintf(dstbuf, buflen, "%s/uio%u", dirname, uio_num);
-			break;
-		}
-
-		/* then try uio:uio%d */
-		errno = 0;
-		uio_num = strtoull(e->d_name + longprefix_len, &endptr, 10);
-		if (errno == 0 && endptr != (e->d_name + longprefix_len)) {
-			snprintf(dstbuf, buflen, "%s/uio:uio%u", dirname, uio_num);
-			break;
-		}
-	}
-	closedir(dir);
-
-	/* No uio resource found */
-	if (e == NULL)
-		return -1;
-
-	/* create uio device if we've been asked to */
-	if (internal_config.create_uio_dev && create &&
-			pci_mknod_uio_dev(dstbuf, uio_num) < 0)
-		RTE_LOG(WARNING, EAL, "Cannot create /dev/uio%u\n", uio_num);
-
-	return uio_num;
-}
-
-void
-pci_uio_free_resource(struct rte_pci_device *dev,
-		struct mapped_pci_resource *uio_res)
-{
-	rte_free(uio_res);
-
-	if (dev->intr_handle.uio_cfg_fd >= 0) {
-		close(dev->intr_handle.uio_cfg_fd);
-		dev->intr_handle.uio_cfg_fd = -1;
-	}
-	if (dev->intr_handle.fd >= 0) {
-		close(dev->intr_handle.fd);
-		dev->intr_handle.fd = -1;
-		dev->intr_handle.type = RTE_INTR_HANDLE_UNKNOWN;
-	}
-}
-
-int
-pci_uio_alloc_resource(struct rte_pci_device *dev,
-		struct mapped_pci_resource **uio_res)
-{
-	char dirname[PATH_MAX];
-	char cfgname[PATH_MAX];
-	char devname[PATH_MAX]; /* contains the /dev/uioX */
-	int uio_num;
-	struct rte_pci_addr *loc;
-
-	loc = &dev->addr;
-
-	/* find uio resource */
-	uio_num = pci_get_uio_dev(dev, dirname, sizeof(dirname), 1);
-	if (uio_num < 0) {
-		RTE_LOG(WARNING, EAL, "  "PCI_PRI_FMT" not managed by UIO driver, "
-				"skipping\n", loc->domain, loc->bus, loc->devid, loc->function);
-		return 1;
-	}
-	snprintf(devname, sizeof(devname), "/dev/uio%u", uio_num);
-
-	/* save fd if in primary process */
-	dev->intr_handle.fd = open(devname, O_RDWR);
-	if (dev->intr_handle.fd < 0) {
-		RTE_LOG(ERR, EAL, "Cannot open %s: %s\n",
-			devname, strerror(errno));
-		goto error;
-	}
-
-	snprintf(cfgname, sizeof(cfgname),
-			"/sys/class/uio/uio%u/device/config", uio_num);
-	dev->intr_handle.uio_cfg_fd = open(cfgname, O_RDWR);
-	if (dev->intr_handle.uio_cfg_fd < 0) {
-		RTE_LOG(ERR, EAL, "Cannot open %s: %s\n",
-			cfgname, strerror(errno));
-		goto error;
-	}
-
-	if (dev->kdrv == RTE_KDRV_IGB_UIO)
-		dev->intr_handle.type = RTE_INTR_HANDLE_UIO;
-	else {
-		dev->intr_handle.type = RTE_INTR_HANDLE_UIO_INTX;
-
-		/* set bus master that is not done by uio_pci_generic */
-		if (pci_uio_set_bus_master(dev->intr_handle.uio_cfg_fd)) {
-			RTE_LOG(ERR, EAL, "Cannot set up bus mastering!\n");
-			goto error;
-		}
-	}
-
-	/* allocate the mapping details for secondary processes*/
-	*uio_res = rte_zmalloc("UIO_RES", sizeof(**uio_res), 0);
-	if (*uio_res == NULL) {
-		RTE_LOG(ERR, EAL,
-			"%s(): cannot store uio mmap details\n", __func__);
-		goto error;
-	}
-
-	snprintf((*uio_res)->path, sizeof((*uio_res)->path), "%s", devname);
-	memcpy(&(*uio_res)->pci_addr, &dev->addr, sizeof((*uio_res)->pci_addr));
-
-	return 0;
-
-error:
-	pci_uio_free_resource(dev, *uio_res);
-	return -1;
-}
-
-int
-pci_uio_map_resource_by_index(struct rte_pci_device *dev, int res_idx,
-		struct mapped_pci_resource *uio_res, int map_idx)
-{
-	int fd;
-	char devname[PATH_MAX];
-	void *mapaddr;
-	struct rte_pci_addr *loc;
-	struct pci_map *maps;
-
-	loc = &dev->addr;
-	maps = uio_res->maps;
-
-	/* update devname for mmap  */
-	snprintf(devname, sizeof(devname),
-			"%s/" PCI_PRI_FMT "/resource%d",
-			pci_get_sysfs_path(),
-			loc->domain, loc->bus, loc->devid,
-			loc->function, res_idx);
-
-	/* allocate memory to keep path */
-	maps[map_idx].path = rte_malloc(NULL, strlen(devname) + 1, 0);
-	if (maps[map_idx].path == NULL) {
-		RTE_LOG(ERR, EAL, "Cannot allocate memory for path: %s\n",
-				strerror(errno));
-		return -1;
-	}
-
-	/*
-	 * open resource file, to mmap it
-	 */
-	fd = open(devname, O_RDWR);
-	if (fd < 0) {
-		RTE_LOG(ERR, EAL, "Cannot open %s: %s\n",
-				devname, strerror(errno));
-		goto error;
-	}
-
-	/* try mapping somewhere close to the end of hugepages */
-	if (pci_map_addr == NULL)
-		pci_map_addr = pci_find_max_end_va();
-
-	mapaddr = pci_map_resource(pci_map_addr, fd, 0,
-			(size_t)dev->mem_resource[res_idx].len, 0);
-	close(fd);
-	if (mapaddr == MAP_FAILED)
-		goto error;
-
-	pci_map_addr = RTE_PTR_ADD(mapaddr,
-			(size_t)dev->mem_resource[res_idx].len);
-
-	maps[map_idx].phaddr = dev->mem_resource[res_idx].phys_addr;
-	maps[map_idx].size = dev->mem_resource[res_idx].len;
-	maps[map_idx].addr = mapaddr;
-	maps[map_idx].offset = 0;
-	strcpy(maps[map_idx].path, devname);
-	dev->mem_resource[res_idx].addr = mapaddr;
-
-	return 0;
-
-error:
-	rte_free(maps[map_idx].path);
-	return -1;
-}
-
-#if defined(RTE_ARCH_X86)
-int
-pci_uio_ioport_map(struct rte_pci_device *dev, int bar,
-		   struct rte_pci_ioport *p)
-{
-	char dirname[PATH_MAX];
-	char filename[PATH_MAX];
-	int uio_num;
-	unsigned long start;
-
-	uio_num = pci_get_uio_dev(dev, dirname, sizeof(dirname), 0);
-	if (uio_num < 0)
-		return -1;
-
-	/* get portio start */
-	snprintf(filename, sizeof(filename),
-		 "%s/portio/port%d/start", dirname, bar);
-	if (eal_parse_sysfs_value(filename, &start) < 0) {
-		RTE_LOG(ERR, EAL, "%s(): cannot parse portio start\n",
-			__func__);
-		return -1;
-	}
-	/* ensure we don't get anything funny here, read/write will cast to
-	 * uin16_t */
-	if (start > UINT16_MAX)
-		return -1;
-
-	/* FIXME only for primary process ? */
-	if (dev->intr_handle.type == RTE_INTR_HANDLE_UNKNOWN) {
-
-		snprintf(filename, sizeof(filename), "/dev/uio%u", uio_num);
-		dev->intr_handle.fd = open(filename, O_RDWR);
-		if (dev->intr_handle.fd < 0) {
-			RTE_LOG(ERR, EAL, "Cannot open %s: %s\n",
-				filename, strerror(errno));
-			return -1;
-		}
-		dev->intr_handle.type = RTE_INTR_HANDLE_UIO;
-	}
-
-	RTE_LOG(DEBUG, EAL, "PCI Port IO found start=0x%lx\n", start);
-
-	p->base = start;
-	p->len = 0;
-	return 0;
-}
-#else
-int
-pci_uio_ioport_map(struct rte_pci_device *dev, int bar,
-		   struct rte_pci_ioport *p)
-{
-	FILE *f;
-	char buf[BUFSIZ];
-	char filename[PATH_MAX];
-	uint64_t phys_addr, end_addr, flags;
-	int fd, i;
-	void *addr;
-
-	/* open and read addresses of the corresponding resource in sysfs */
-	snprintf(filename, sizeof(filename), "%s/" PCI_PRI_FMT "/resource",
-		pci_get_sysfs_path(), dev->addr.domain, dev->addr.bus,
-		dev->addr.devid, dev->addr.function);
-	f = fopen(filename, "r");
-	if (f == NULL) {
-		RTE_LOG(ERR, EAL, "Cannot open sysfs resource: %s\n",
-			strerror(errno));
-		return -1;
-	}
-	for (i = 0; i < bar + 1; i++) {
-		if (fgets(buf, sizeof(buf), f) == NULL) {
-			RTE_LOG(ERR, EAL, "Cannot read sysfs resource\n");
-			goto error;
-		}
-	}
-	if (pci_parse_one_sysfs_resource(buf, sizeof(buf), &phys_addr,
-			&end_addr, &flags) < 0)
-		goto error;
-	if ((flags & IORESOURCE_IO) == 0) {
-		RTE_LOG(ERR, EAL, "BAR %d is not an IO resource\n", bar);
-		goto error;
-	}
-	snprintf(filename, sizeof(filename), "%s/" PCI_PRI_FMT "/resource%d",
-		pci_get_sysfs_path(), dev->addr.domain, dev->addr.bus,
-		dev->addr.devid, dev->addr.function, bar);
-
-	/* mmap the pci resource */
-	fd = open(filename, O_RDWR);
-	if (fd < 0) {
-		RTE_LOG(ERR, EAL, "Cannot open %s: %s\n", filename,
-			strerror(errno));
-		goto error;
-	}
-	addr = mmap(NULL, end_addr + 1, PROT_READ | PROT_WRITE,
-		MAP_SHARED, fd, 0);
-	close(fd);
-	if (addr == MAP_FAILED) {
-		RTE_LOG(ERR, EAL, "Cannot mmap IO port resource: %s\n",
-			strerror(errno));
-		goto error;
-	}
-
-	/* strangely, the base address is mmap addr + phys_addr */
-	p->base = (uintptr_t)addr + phys_addr;
-	p->len = end_addr + 1;
-	RTE_LOG(DEBUG, EAL, "PCI Port IO found start=0x%"PRIx64"\n", p->base);
-	fclose(f);
-
-	return 0;
-
-error:
-	fclose(f);
-	return -1;
-}
-#endif
-
-void
-pci_uio_ioport_read(struct rte_pci_ioport *p,
-		    void *data, size_t len, off_t offset)
-{
-	uint8_t *d;
-	int size;
-	uintptr_t reg = p->base + offset;
-
-	for (d = data; len > 0; d += size, reg += size, len -= size) {
-		if (len >= 4) {
-			size = 4;
-#if defined(RTE_ARCH_X86)
-			*(uint32_t *)d = inl(reg);
-#else
-			*(uint32_t *)d = *(volatile uint32_t *)reg;
-#endif
-		} else if (len >= 2) {
-			size = 2;
-#if defined(RTE_ARCH_X86)
-			*(uint16_t *)d = inw(reg);
-#else
-			*(uint16_t *)d = *(volatile uint16_t *)reg;
-#endif
-		} else {
-			size = 1;
-#if defined(RTE_ARCH_X86)
-			*d = inb(reg);
-#else
-			*d = *(volatile uint8_t *)reg;
-#endif
-		}
-	}
-}
-
-void
-pci_uio_ioport_write(struct rte_pci_ioport *p,
-		     const void *data, size_t len, off_t offset)
-{
-	const uint8_t *s;
-	int size;
-	uintptr_t reg = p->base + offset;
-
-	for (s = data; len > 0; s += size, reg += size, len -= size) {
-		if (len >= 4) {
-			size = 4;
-#if defined(RTE_ARCH_X86)
-			outl_p(*(const uint32_t *)s, reg);
-#else
-			*(volatile uint32_t *)reg = *(const uint32_t *)s;
-#endif
-		} else if (len >= 2) {
-			size = 2;
-#if defined(RTE_ARCH_X86)
-			outw_p(*(const uint16_t *)s, reg);
-#else
-			*(volatile uint16_t *)reg = *(const uint16_t *)s;
-#endif
-		} else {
-			size = 1;
-#if defined(RTE_ARCH_X86)
-			outb_p(*s, reg);
-#else
-			*(volatile uint8_t *)reg = *s;
-#endif
-		}
-	}
-}
-
-int
-pci_uio_ioport_unmap(struct rte_pci_ioport *p)
-{
-#if defined(RTE_ARCH_X86)
-	RTE_SET_USED(p);
-	/* FIXME close intr fd ? */
-	return 0;
-#else
-	return munmap((void *)(uintptr_t)p->base, p->len);
-#endif
-}
diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c b/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
deleted file mode 100644
index aa9d96ed..00000000
--- a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
+++ /dev/null
@@ -1,674 +0,0 @@
-/*-
- *   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.
- */
-
-#include <string.h>
-#include <fcntl.h>
-#include <linux/pci_regs.h>
-#include <sys/eventfd.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <stdbool.h>
-
-#include <rte_log.h>
-#include <rte_pci.h>
-#include <rte_eal_memconfig.h>
-#include <rte_malloc.h>
-
-#include "eal_filesystem.h"
-#include "eal_pci_init.h"
-#include "eal_vfio.h"
-#include "eal_private.h"
-
-/**
- * @file
- * PCI probing under linux (VFIO version)
- *
- * This code tries to determine if the PCI device is bound to VFIO driver,
- * and initialize it (map BARs, set up interrupts) if that's the case.
- *
- * This file is only compiled if CONFIG_RTE_EAL_VFIO is set to "y".
- */
-
-#ifdef VFIO_PRESENT
-
-#define PAGE_SIZE   (sysconf(_SC_PAGESIZE))
-#define PAGE_MASK   (~(PAGE_SIZE - 1))
-
-static struct rte_tailq_elem rte_vfio_tailq = {
-	.name = "VFIO_RESOURCE_LIST",
-};
-EAL_REGISTER_TAILQ(rte_vfio_tailq)
-
-int
-pci_vfio_read_config(const struct rte_intr_handle *intr_handle,
-		    void *buf, size_t len, off_t offs)
-{
-	return pread64(intr_handle->vfio_dev_fd, buf, len,
-	       VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) + offs);
-}
-
-int
-pci_vfio_write_config(const struct rte_intr_handle *intr_handle,
-		    const void *buf, size_t len, off_t offs)
-{
-	return pwrite64(intr_handle->vfio_dev_fd, buf, len,
-	       VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) + offs);
-}
-
-/* get PCI BAR number where MSI-X interrupts are */
-static int
-pci_vfio_get_msix_bar(int fd, int *msix_bar, uint32_t *msix_table_offset,
-		      uint32_t *msix_table_size)
-{
-	int ret;
-	uint32_t reg;
-	uint16_t flags;
-	uint8_t cap_id, cap_offset;
-
-	/* read PCI capability pointer from config space */
-	ret = pread64(fd, &reg, sizeof(reg),
-			VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
-			PCI_CAPABILITY_LIST);
-	if (ret != sizeof(reg)) {
-		RTE_LOG(ERR, EAL, "Cannot read capability pointer from PCI "
-				"config space!\n");
-		return -1;
-	}
-
-	/* we need first byte */
-	cap_offset = reg & 0xFF;
-
-	while (cap_offset) {
-
-		/* read PCI capability ID */
-		ret = pread64(fd, &reg, sizeof(reg),
-				VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
-				cap_offset);
-		if (ret != sizeof(reg)) {
-			RTE_LOG(ERR, EAL, "Cannot read capability ID from PCI "
-					"config space!\n");
-			return -1;
-		}
-
-		/* we need first byte */
-		cap_id = reg & 0xFF;
-
-		/* if we haven't reached MSI-X, check next capability */
-		if (cap_id != PCI_CAP_ID_MSIX) {
-			ret = pread64(fd, &reg, sizeof(reg),
-					VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
-					cap_offset);
-			if (ret != sizeof(reg)) {
-				RTE_LOG(ERR, EAL, "Cannot read capability pointer from PCI "
-						"config space!\n");
-				return -1;
-			}
-
-			/* we need second byte */
-			cap_offset = (reg & 0xFF00) >> 8;
-
-			continue;
-		}
-		/* else, read table offset */
-		else {
-			/* table offset resides in the next 4 bytes */
-			ret = pread64(fd, &reg, sizeof(reg),
-					VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
-					cap_offset + 4);
-			if (ret != sizeof(reg)) {
-				RTE_LOG(ERR, EAL, "Cannot read table offset from PCI config "
-						"space!\n");
-				return -1;
-			}
-
-			ret = pread64(fd, &flags, sizeof(flags),
-					VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
-					cap_offset + 2);
-			if (ret != sizeof(flags)) {
-				RTE_LOG(ERR, EAL, "Cannot read table flags from PCI config "
-						"space!\n");
-				return -1;
-			}
-
-			*msix_bar = reg & RTE_PCI_MSIX_TABLE_BIR;
-			*msix_table_offset = reg & RTE_PCI_MSIX_TABLE_OFFSET;
-			*msix_table_size = 16 * (1 + (flags & RTE_PCI_MSIX_FLAGS_QSIZE));
-
-			return 0;
-		}
-	}
-	return 0;
-}
-
-/* set PCI bus mastering */
-static int
-pci_vfio_set_bus_master(int dev_fd, bool op)
-{
-	uint16_t reg;
-	int ret;
-
-	ret = pread64(dev_fd, &reg, sizeof(reg),
-			VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
-			PCI_COMMAND);
-	if (ret != sizeof(reg)) {
-		RTE_LOG(ERR, EAL, "Cannot read command from PCI config space!\n");
-		return -1;
-	}
-
-	if (op)
-		/* set the master bit */
-		reg |= PCI_COMMAND_MASTER;
-	else
-		reg &= ~(PCI_COMMAND_MASTER);
-
-	ret = pwrite64(dev_fd, &reg, sizeof(reg),
-			VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
-			PCI_COMMAND);
-
-	if (ret != sizeof(reg)) {
-		RTE_LOG(ERR, EAL, "Cannot write command to PCI config space!\n");
-		return -1;
-	}
-
-	return 0;
-}
-
-/* set up interrupt support (but not enable interrupts) */
-static int
-pci_vfio_setup_interrupts(struct rte_pci_device *dev, int vfio_dev_fd)
-{
-	int i, ret, intr_idx;
-
-	/* default to invalid index */
-	intr_idx = VFIO_PCI_NUM_IRQS;
-
-	/* get interrupt type from internal config (MSI-X by default, can be
-	 * overridden from the command line
-	 */
-	switch (internal_config.vfio_intr_mode) {
-	case RTE_INTR_MODE_MSIX:
-		intr_idx = VFIO_PCI_MSIX_IRQ_INDEX;
-		break;
-	case RTE_INTR_MODE_MSI:
-		intr_idx = VFIO_PCI_MSI_IRQ_INDEX;
-		break;
-	case RTE_INTR_MODE_LEGACY:
-		intr_idx = VFIO_PCI_INTX_IRQ_INDEX;
-		break;
-	/* don't do anything if we want to automatically determine interrupt type */
-	case RTE_INTR_MODE_NONE:
-		break;
-	default:
-		RTE_LOG(ERR, EAL, "  unknown default interrupt type!\n");
-		return -1;
-	}
-
-	/* start from MSI-X interrupt type */
-	for (i = VFIO_PCI_MSIX_IRQ_INDEX; i >= 0; i--) {
-		struct vfio_irq_info irq = { .argsz = sizeof(irq) };
-		int fd = -1;
-
-		/* skip interrupt modes we don't want */
-		if (internal_config.vfio_intr_mode != RTE_INTR_MODE_NONE &&
-				i != intr_idx)
-			continue;
-
-		irq.index = i;
-
-		ret = ioctl(vfio_dev_fd, VFIO_DEVICE_GET_IRQ_INFO, &irq);
-		if (ret < 0) {
-			RTE_LOG(ERR, EAL, "  cannot get IRQ info, "
-					"error %i (%s)\n", errno, strerror(errno));
-			return -1;
-		}
-
-		/* if this vector cannot be used with eventfd, fail if we explicitly
-		 * specified interrupt type, otherwise continue */
-		if ((irq.flags & VFIO_IRQ_INFO_EVENTFD) == 0) {
-			if (internal_config.vfio_intr_mode != RTE_INTR_MODE_NONE) {
-				RTE_LOG(ERR, EAL,
-						"  interrupt vector does not support eventfd!\n");
-				return -1;
-			} else
-				continue;
-		}
-
-		/* set up an eventfd for interrupts */
-		fd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
-		if (fd < 0) {
-			RTE_LOG(ERR, EAL, "  cannot set up eventfd, "
-					"error %i (%s)\n", errno, strerror(errno));
-			return -1;
-		}
-
-		dev->intr_handle.fd = fd;
-		dev->intr_handle.vfio_dev_fd = vfio_dev_fd;
-
-		switch (i) {
-		case VFIO_PCI_MSIX_IRQ_INDEX:
-			internal_config.vfio_intr_mode = RTE_INTR_MODE_MSIX;
-			dev->intr_handle.type = RTE_INTR_HANDLE_VFIO_MSIX;
-			break;
-		case VFIO_PCI_MSI_IRQ_INDEX:
-			internal_config.vfio_intr_mode = RTE_INTR_MODE_MSI;
-			dev->intr_handle.type = RTE_INTR_HANDLE_VFIO_MSI;
-			break;
-		case VFIO_PCI_INTX_IRQ_INDEX:
-			internal_config.vfio_intr_mode = RTE_INTR_MODE_LEGACY;
-			dev->intr_handle.type = RTE_INTR_HANDLE_VFIO_LEGACY;
-			break;
-		default:
-			RTE_LOG(ERR, EAL, "  unknown interrupt type!\n");
-			return -1;
-		}
-
-		return 0;
-	}
-
-	/* if we're here, we haven't found a suitable interrupt vector */
-	return -1;
-}
-
-/*
- * map the PCI resources of a PCI device in virtual memory (VFIO version).
- * primary and secondary processes follow almost exactly the same path
- */
-int
-pci_vfio_map_resource(struct rte_pci_device *dev)
-{
-	struct vfio_device_info device_info = { .argsz = sizeof(device_info) };
-	char pci_addr[PATH_MAX] = {0};
-	int vfio_dev_fd;
-	struct rte_pci_addr *loc = &dev->addr;
-	int i, ret, msix_bar;
-	struct mapped_pci_resource *vfio_res = NULL;
-	struct mapped_pci_res_list *vfio_res_list = RTE_TAILQ_CAST(rte_vfio_tailq.head, mapped_pci_res_list);
-
-	struct pci_map *maps;
-	uint32_t msix_table_offset = 0;
-	uint32_t msix_table_size = 0;
-	uint32_t ioport_bar;
-
-	dev->intr_handle.fd = -1;
-	dev->intr_handle.type = RTE_INTR_HANDLE_UNKNOWN;
-
-	/* store PCI address string */
-	snprintf(pci_addr, sizeof(pci_addr), PCI_PRI_FMT,
-			loc->domain, loc->bus, loc->devid, loc->function);
-
-	if ((ret = vfio_setup_device(pci_get_sysfs_path(), pci_addr,
-					&vfio_dev_fd, &device_info)))
-		return ret;
-
-	/* get MSI-X BAR, if any (we have to know where it is because we can't
-	 * easily mmap it when using VFIO) */
-	msix_bar = -1;
-	ret = pci_vfio_get_msix_bar(vfio_dev_fd, &msix_bar,
-				    &msix_table_offset, &msix_table_size);
-	if (ret < 0) {
-		RTE_LOG(ERR, EAL, "  %s cannot get MSI-X BAR number!\n", pci_addr);
-		close(vfio_dev_fd);
-		return -1;
-	}
-
-	/* if we're in a primary process, allocate vfio_res and get region info */
-	if (internal_config.process_type == RTE_PROC_PRIMARY) {
-		vfio_res = rte_zmalloc("VFIO_RES", sizeof(*vfio_res), 0);
-		if (vfio_res == NULL) {
-			RTE_LOG(ERR, EAL,
-				"%s(): cannot store uio mmap details\n", __func__);
-			close(vfio_dev_fd);
-			return -1;
-		}
-		memcpy(&vfio_res->pci_addr, &dev->addr, sizeof(vfio_res->pci_addr));
-
-		/* get number of registers (up to BAR5) */
-		vfio_res->nb_maps = RTE_MIN((int) device_info.num_regions,
-				VFIO_PCI_BAR5_REGION_INDEX + 1);
-	} else {
-		/* if we're in a secondary process, just find our tailq entry */
-		TAILQ_FOREACH(vfio_res, vfio_res_list, next) {
-			if (rte_eal_compare_pci_addr(&vfio_res->pci_addr,
-						     &dev->addr))
-				continue;
-			break;
-		}
-		/* if we haven't found our tailq entry, something's wrong */
-		if (vfio_res == NULL) {
-			RTE_LOG(ERR, EAL, "  %s cannot find TAILQ entry for PCI device!\n",
-					pci_addr);
-			close(vfio_dev_fd);
-			return -1;
-		}
-	}
-
-	/* map BARs */
-	maps = vfio_res->maps;
-
-	for (i = 0; i < (int) vfio_res->nb_maps; i++) {
-		struct vfio_region_info reg = { .argsz = sizeof(reg) };
-		void *bar_addr;
-		struct memreg {
-			unsigned long offset, size;
-		} memreg[2] = {};
-
-		reg.index = i;
-
-		ret = ioctl(vfio_dev_fd, VFIO_DEVICE_GET_REGION_INFO, &reg);
-
-		if (ret) {
-			RTE_LOG(ERR, EAL, "  %s cannot get device region info "
-					"error %i (%s)\n", pci_addr, errno, strerror(errno));
-			close(vfio_dev_fd);
-			if (internal_config.process_type == RTE_PROC_PRIMARY)
-				rte_free(vfio_res);
-			return -1;
-		}
-
-		/* chk for io port region */
-		ret = pread64(vfio_dev_fd, &ioport_bar, sizeof(ioport_bar),
-			      VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX)
-			      + PCI_BASE_ADDRESS_0 + i*4);
-
-		if (ret != sizeof(ioport_bar)) {
-			RTE_LOG(ERR, EAL,
-				"Cannot read command (%x) from config space!\n",
-				PCI_BASE_ADDRESS_0 + i*4);
-			return -1;
-		}
-
-		if (ioport_bar & PCI_BASE_ADDRESS_SPACE_IO) {
-			RTE_LOG(INFO, EAL,
-				"Ignore mapping IO port bar(%d) addr: %x\n",
-				 i, ioport_bar);
-			continue;
-		}
-
-		/* skip non-mmapable BARs */
-		if ((reg.flags & VFIO_REGION_INFO_FLAG_MMAP) == 0)
-			continue;
-
-		if (i == msix_bar) {
-			/*
-			 * VFIO will not let us map the MSI-X table,
-			 * but we can map around it.
-			 */
-			uint32_t table_start = msix_table_offset;
-			uint32_t table_end = table_start + msix_table_size;
-			table_end = (table_end + ~PAGE_MASK) & PAGE_MASK;
-			table_start &= PAGE_MASK;
-
-			if (table_start == 0 && table_end >= reg.size) {
-				/* Cannot map this BAR */
-				RTE_LOG(DEBUG, EAL, "Skipping BAR %d\n", i);
-				continue;
-			} else {
-				memreg[0].offset = reg.offset;
-				memreg[0].size = table_start;
-				memreg[1].offset = reg.offset + table_end;
-				memreg[1].size = reg.size - table_end;
-
-				RTE_LOG(DEBUG, EAL,
-					"Trying to map BAR %d that contains the MSI-X "
-					"table. Trying offsets: "
-					"0x%04lx:0x%04lx, 0x%04lx:0x%04lx\n", i,
-					memreg[0].offset, memreg[0].size,
-					memreg[1].offset, memreg[1].size);
-			}
-		} else {
-			memreg[0].offset = reg.offset;
-			memreg[0].size = reg.size;
-		}
-
-		/* try to figure out an address */
-		if (internal_config.process_type == RTE_PROC_PRIMARY) {
-			/* try mapping somewhere close to the end of hugepages */
-			if (pci_map_addr == NULL)
-				pci_map_addr = pci_find_max_end_va();
-
-			bar_addr = pci_map_addr;
-			pci_map_addr = RTE_PTR_ADD(bar_addr, (size_t) reg.size);
-		} else {
-			bar_addr = maps[i].addr;
-		}
-
-		/* reserve the address using an inaccessible mapping */
-		bar_addr = mmap(bar_addr, reg.size, 0, MAP_PRIVATE |
-				MAP_ANONYMOUS, -1, 0);
-		if (bar_addr != MAP_FAILED) {
-			void *map_addr = NULL;
-			if (memreg[0].size) {
-				/* actual map of first part */
-				map_addr = pci_map_resource(bar_addr, vfio_dev_fd,
-							    memreg[0].offset,
-							    memreg[0].size,
-							    MAP_FIXED);
-			}
-
-			/* if there's a second part, try to map it */
-			if (map_addr != MAP_FAILED
-			    && memreg[1].offset && memreg[1].size) {
-				void *second_addr = RTE_PTR_ADD(bar_addr,
-								memreg[1].offset -
-								(uintptr_t)reg.offset);
-				map_addr = pci_map_resource(second_addr,
-							    vfio_dev_fd, memreg[1].offset,
-							    memreg[1].size,
-							    MAP_FIXED);
-			}
-
-			if (map_addr == MAP_FAILED || !map_addr) {
-				munmap(bar_addr, reg.size);
-				bar_addr = MAP_FAILED;
-			}
-		}
-
-		if (bar_addr == MAP_FAILED ||
-				(internal_config.process_type == RTE_PROC_SECONDARY &&
-						bar_addr != maps[i].addr)) {
-			RTE_LOG(ERR, EAL, "  %s mapping BAR%i failed: %s\n", pci_addr, i,
-					strerror(errno));
-			close(vfio_dev_fd);
-			if (internal_config.process_type == RTE_PROC_PRIMARY)
-				rte_free(vfio_res);
-			return -1;
-		}
-
-		maps[i].addr = bar_addr;
-		maps[i].offset = reg.offset;
-		maps[i].size = reg.size;
-		maps[i].path = NULL; /* vfio doesn't have per-resource paths */
-		dev->mem_resource[i].addr = bar_addr;
-	}
-
-	/* if secondary process, do not set up interrupts */
-	if (internal_config.process_type == RTE_PROC_PRIMARY) {
-		if (pci_vfio_setup_interrupts(dev, vfio_dev_fd) != 0) {
-			RTE_LOG(ERR, EAL, "  %s error setting up interrupts!\n", pci_addr);
-			close(vfio_dev_fd);
-			rte_free(vfio_res);
-			return -1;
-		}
-
-		/* set bus mastering for the device */
-		if (pci_vfio_set_bus_master(vfio_dev_fd, true)) {
-			RTE_LOG(ERR, EAL, "  %s cannot set up bus mastering!\n", pci_addr);
-			close(vfio_dev_fd);
-			rte_free(vfio_res);
-			return -1;
-		}
-
-		/* Reset the device */
-		ioctl(vfio_dev_fd, VFIO_DEVICE_RESET);
-	}
-
-	if (internal_config.process_type == RTE_PROC_PRIMARY)
-		TAILQ_INSERT_TAIL(vfio_res_list, vfio_res, next);
-
-	return 0;
-}
-
-int
-pci_vfio_unmap_resource(struct rte_pci_device *dev)
-{
-	char pci_addr[PATH_MAX] = {0};
-	struct rte_pci_addr *loc = &dev->addr;
-	int i, ret;
-	struct mapped_pci_resource *vfio_res = NULL;
-	struct mapped_pci_res_list *vfio_res_list;
-
-	struct pci_map *maps;
-
-	/* store PCI address string */
-	snprintf(pci_addr, sizeof(pci_addr), PCI_PRI_FMT,
-			loc->domain, loc->bus, loc->devid, loc->function);
-
-
-	if (close(dev->intr_handle.fd) < 0) {
-		RTE_LOG(INFO, EAL, "Error when closing eventfd file descriptor for %s\n",
-			pci_addr);
-		return -1;
-	}
-
-	if (pci_vfio_set_bus_master(dev->intr_handle.vfio_dev_fd, false)) {
-		RTE_LOG(ERR, EAL, "  %s cannot unset bus mastering for PCI device!\n",
-				pci_addr);
-		return -1;
-	}
-
-	ret = vfio_release_device(pci_get_sysfs_path(), pci_addr,
-				  dev->intr_handle.vfio_dev_fd);
-	if (ret < 0) {
-		RTE_LOG(ERR, EAL,
-			"%s(): cannot release device\n", __func__);
-		return ret;
-	}
-
-	vfio_res_list = RTE_TAILQ_CAST(rte_vfio_tailq.head, mapped_pci_res_list);
-	/* Get vfio_res */
-	TAILQ_FOREACH(vfio_res, vfio_res_list, next) {
-		if (memcmp(&vfio_res->pci_addr, &dev->addr, sizeof(dev->addr)))
-			continue;
-		break;
-	}
-	/* if we haven't found our tailq entry, something's wrong */
-	if (vfio_res == NULL) {
-		RTE_LOG(ERR, EAL, "  %s cannot find TAILQ entry for PCI device!\n",
-				pci_addr);
-		return -1;
-	}
-
-	/* unmap BARs */
-	maps = vfio_res->maps;
-
-	RTE_LOG(INFO, EAL, "Releasing pci mapped resource for %s\n",
-		pci_addr);
-	for (i = 0; i < (int) vfio_res->nb_maps; i++) {
-
-		/*
-		 * We do not need to be aware of MSI-X table BAR mappings as
-		 * when mapping. Just using current maps array is enough
-		 */
-		if (maps[i].addr) {
-			RTE_LOG(INFO, EAL, "Calling pci_unmap_resource for %s at %p\n",
-				pci_addr, maps[i].addr);
-			pci_unmap_resource(maps[i].addr, maps[i].size);
-		}
-	}
-
-	TAILQ_REMOVE(vfio_res_list, vfio_res, next);
-
-	return 0;
-}
-
-int
-pci_vfio_ioport_map(struct rte_pci_device *dev, int bar,
-		    struct rte_pci_ioport *p)
-{
-	if (bar < VFIO_PCI_BAR0_REGION_INDEX ||
-	    bar > VFIO_PCI_BAR5_REGION_INDEX) {
-		RTE_LOG(ERR, EAL, "invalid bar (%d)!\n", bar);
-		return -1;
-	}
-
-	p->dev = dev;
-	p->base = VFIO_GET_REGION_ADDR(bar);
-	return 0;
-}
-
-void
-pci_vfio_ioport_read(struct rte_pci_ioport *p,
-		     void *data, size_t len, off_t offset)
-{
-	const struct rte_intr_handle *intr_handle = &p->dev->intr_handle;
-
-	if (pread64(intr_handle->vfio_dev_fd, data,
-		    len, p->base + offset) <= 0)
-		RTE_LOG(ERR, EAL,
-			"Can't read from PCI bar (%" PRIu64 ") : offset (%x)\n",
-			VFIO_GET_REGION_IDX(p->base), (int)offset);
-}
-
-void
-pci_vfio_ioport_write(struct rte_pci_ioport *p,
-		      const void *data, size_t len, off_t offset)
-{
-	const struct rte_intr_handle *intr_handle = &p->dev->intr_handle;
-
-	if (pwrite64(intr_handle->vfio_dev_fd, data,
-		     len, p->base + offset) <= 0)
-		RTE_LOG(ERR, EAL,
-			"Can't write to PCI bar (%" PRIu64 ") : offset (%x)\n",
-			VFIO_GET_REGION_IDX(p->base), (int)offset);
-}
-
-int
-pci_vfio_ioport_unmap(struct rte_pci_ioport *p)
-{
-	RTE_SET_USED(p);
-	return -1;
-}
-
-int
-pci_vfio_enable(void)
-{
-	return vfio_enable("vfio_pci");
-}
-
-int
-pci_vfio_is_enabled(void)
-{
-	return vfio_is_enabled("vfio_pci");
-}
-#endif
diff --git a/lib/librte_eal/linuxapp/eal/eal_thread.c b/lib/librte_eal/linuxapp/eal/eal_thread.c
index 6481eeea..e9a579e4 100644
--- a/lib/librte_eal/linuxapp/eal/eal_thread.c
+++ b/lib/librte_eal/linuxapp/eal/eal_thread.c
@@ -46,7 +46,6 @@
 #include <rte_launch.h>
 #include <rte_log.h>
 #include <rte_memory.h>
-#include <rte_memzone.h>
 #include <rte_per_lcore.h>
 #include <rte_eal.h>
 #include <rte_lcore.h>
diff --git a/lib/librte_eal/linuxapp/eal/eal_timer.c b/lib/librte_eal/linuxapp/eal/eal_timer.c
index afa32f5c..24349dab 100644
--- a/lib/librte_eal/linuxapp/eal/eal_timer.c
+++ b/lib/librte_eal/linuxapp/eal/eal_timer.c
@@ -49,7 +49,6 @@
 #include <rte_cycles.h>
 #include <rte_lcore.h>
 #include <rte_memory.h>
-#include <rte_memzone.h>
 #include <rte_eal.h>
 #include <rte_debug.h>
 
diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.c b/lib/librte_eal/linuxapp/eal/eal_vfio.c
index 946df7e3..58f0123e 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio.c
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio.c
@@ -39,6 +39,7 @@
 #include <rte_log.h>
 #include <rte_memory.h>
 #include <rte_eal_memconfig.h>
+#include <rte_vfio.h>
 
 #include "eal_filesystem.h"
 #include "eal_vfio.h"
@@ -68,8 +69,8 @@ vfio_get_group_fd(int iommu_group_no)
 {
 	int i;
 	int vfio_group_fd;
-	int group_idx = -1;
 	char filename[PATH_MAX];
+	struct vfio_group *cur_grp;
 
 	/* check if we already have the group descriptor open */
 	for (i = 0; i < VFIO_MAX_GROUPS; i++)
@@ -85,12 +86,12 @@ vfio_get_group_fd(int iommu_group_no)
 	/* Now lets get an index for the new group */
 	for (i = 0; i < VFIO_MAX_GROUPS; i++)
 		if (vfio_cfg.vfio_groups[i].group_no == -1) {
-			group_idx = i;
+			cur_grp = &vfio_cfg.vfio_groups[i];
 			break;
 		}
 
 	/* This should not happen */
-	if (group_idx == -1) {
+	if (i == VFIO_MAX_GROUPS) {
 		RTE_LOG(ERR, EAL, "No VFIO group free slot found\n");
 		return -1;
 	}
@@ -123,8 +124,8 @@ vfio_get_group_fd(int iommu_group_no)
 			/* noiommu group found */
 		}
 
-		vfio_cfg.vfio_groups[group_idx].group_no = iommu_group_no;
-		vfio_cfg.vfio_groups[group_idx].fd = vfio_group_fd;
+		cur_grp->group_no = iommu_group_no;
+		cur_grp->fd = vfio_group_fd;
 		vfio_cfg.vfio_active_groups++;
 		return vfio_group_fd;
 	}
@@ -157,9 +158,12 @@ vfio_get_group_fd(int iommu_group_no)
 			return 0;
 		case SOCKET_OK:
 			vfio_group_fd = vfio_mp_sync_receive_fd(socket_fd);
-			/* if we got the fd, return it */
+			/* if we got the fd, store it and return it */
 			if (vfio_group_fd > 0) {
 				close(socket_fd);
+				cur_grp->group_no = iommu_group_no;
+				cur_grp->fd = vfio_group_fd;
+				vfio_cfg.vfio_active_groups++;
 				return vfio_group_fd;
 			}
 			/* fall-through on error */
@@ -280,7 +284,7 @@ clear_group(int vfio_group_fd)
 }
 
 int
-vfio_setup_device(const char *sysfs_base, const char *dev_addr,
+rte_vfio_setup_device(const char *sysfs_base, const char *dev_addr,
 		int *vfio_dev_fd, struct vfio_device_info *device_info)
 {
 	struct vfio_group_status group_status = {
@@ -412,7 +416,7 @@ vfio_setup_device(const char *sysfs_base, const char *dev_addr,
 }
 
 int
-vfio_release_device(const char *sysfs_base, const char *dev_addr,
+rte_vfio_release_device(const char *sysfs_base, const char *dev_addr,
 		    int vfio_dev_fd)
 {
 	struct vfio_group_status group_status = {
@@ -474,7 +478,7 @@ vfio_release_device(const char *sysfs_base, const char *dev_addr,
 }
 
 int
-vfio_enable(const char *modname)
+rte_vfio_enable(const char *modname)
 {
 	/* initialize group list */
 	int i;
@@ -489,7 +493,7 @@ vfio_enable(const char *modname)
 	/* inform the user that we are probing for VFIO */
 	RTE_LOG(INFO, EAL, "Probing VFIO support...\n");
 
-	/* check if vfio-pci module is loaded */
+	/* check if vfio module is loaded */
 	vfio_available = rte_eal_check_module(modname);
 
 	/* return error directly */
@@ -519,7 +523,7 @@ vfio_enable(const char *modname)
 }
 
 int
-vfio_is_enabled(const char *modname)
+rte_vfio_is_enabled(const char *modname)
 {
 	const int mod_available = rte_eal_check_module(modname);
 	return vfio_cfg.vfio_enabled && mod_available;
@@ -706,7 +710,10 @@ vfio_type1_dma_map(int vfio_container_fd)
 		dma_map.argsz = sizeof(struct vfio_iommu_type1_dma_map);
 		dma_map.vaddr = ms[i].addr_64;
 		dma_map.size = ms[i].len;
-		dma_map.iova = ms[i].phys_addr;
+		if (rte_eal_iova_mode() == RTE_IOVA_VA)
+			dma_map.iova = dma_map.vaddr;
+		else
+			dma_map.iova = ms[i].iova;
 		dma_map.flags = VFIO_DMA_MAP_FLAG_READ | VFIO_DMA_MAP_FLAG_WRITE;
 
 		ret = ioctl(vfio_container_fd, VFIO_IOMMU_MAP_DMA, &dma_map);
@@ -759,10 +766,19 @@ vfio_spapr_dma_map(int vfio_container_fd)
 		return -1;
 	}
 
-	/* calculate window size based on number of hugepages configured */
-	create.window_size = rte_eal_get_physmem_size();
+	/* create DMA window from 0 to max(phys_addr + len) */
+	for (i = 0; i < RTE_MAX_MEMSEG; i++) {
+		if (ms[i].addr == NULL)
+			break;
+
+		create.window_size = RTE_MAX(create.window_size,
+				ms[i].iova + ms[i].len);
+	}
+
+	/* sPAPR requires window size to be a power of 2 */
+	create.window_size = rte_align64pow2(create.window_size);
 	create.page_shift = __builtin_ctzll(ms->hugepage_sz);
-	create.levels = 2;
+	create.levels = 1;
 
 	ret = ioctl(vfio_container_fd, VFIO_IOMMU_SPAPR_TCE_CREATE, &create);
 	if (ret) {
@@ -771,6 +787,11 @@ vfio_spapr_dma_map(int vfio_container_fd)
 		return -1;
 	}
 
+	if (create.start_addr != 0) {
+		RTE_LOG(ERR, EAL, "  DMA window start address != 0\n");
+		return -1;
+	}
+
 	/* map all DPDK segments for DMA. use 1:1 PA to IOVA mapping */
 	for (i = 0; i < RTE_MAX_MEMSEG; i++) {
 		struct vfio_iommu_type1_dma_map dma_map;
@@ -792,7 +813,10 @@ vfio_spapr_dma_map(int vfio_container_fd)
 		dma_map.argsz = sizeof(struct vfio_iommu_type1_dma_map);
 		dma_map.vaddr = ms[i].addr_64;
 		dma_map.size = ms[i].len;
-		dma_map.iova = ms[i].phys_addr;
+		if (rte_eal_iova_mode() == RTE_IOVA_VA)
+			dma_map.iova = dma_map.vaddr;
+		else
+			dma_map.iova = ms[i].iova;
 		dma_map.flags = VFIO_DMA_MAP_FLAG_READ |
 				 VFIO_DMA_MAP_FLAG_WRITE;
 
@@ -816,4 +840,23 @@ vfio_noiommu_dma_map(int __rte_unused vfio_container_fd)
 	return 0;
 }
 
+int
+rte_vfio_noiommu_is_enabled(void)
+{
+	int fd, ret, cnt __rte_unused;
+	char c;
+
+	ret = -1;
+	fd = open(VFIO_NOIOMMU_MODE, O_RDONLY);
+	if (fd < 0)
+		return -1;
+
+	cnt = read(fd, &c, 1);
+	if (c == 'Y')
+		ret = 1;
+
+	close(fd);
+	return ret;
+}
+
 #endif
diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.h b/lib/librte_eal/linuxapp/eal/eal_vfio.h
index 5ff63e5d..ba7892b7 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio.h
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio.h
@@ -37,20 +37,18 @@
 /*
  * determine if VFIO is present on the system
  */
-#ifdef RTE_EAL_VFIO
+#if !defined(VFIO_PRESENT) && defined(RTE_EAL_VFIO)
 #include <linux/version.h>
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)
-#include <linux/vfio.h>
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0)
-#define RTE_PCI_MSIX_TABLE_BIR    0x7
-#define RTE_PCI_MSIX_TABLE_OFFSET 0xfffffff8
-#define RTE_PCI_MSIX_FLAGS_QSIZE  0x07ff
+#define VFIO_PRESENT
 #else
-#define RTE_PCI_MSIX_TABLE_BIR    PCI_MSIX_TABLE_BIR
-#define RTE_PCI_MSIX_TABLE_OFFSET PCI_MSIX_TABLE_OFFSET
-#define RTE_PCI_MSIX_FLAGS_QSIZE  PCI_MSIX_FLAGS_QSIZE
-#endif
+#pragma message("VFIO configured but not supported by this kernel, disabling.")
+#endif /* kernel version >= 3.6.0 */
+#endif /* RTE_EAL_VFIO */
+
+#ifdef VFIO_PRESENT
+
+#include <linux/vfio.h>
 
 #define RTE_VFIO_TYPE1 VFIO_TYPE1_IOMMU
 
@@ -144,13 +142,6 @@ struct vfio_config {
 	struct vfio_group vfio_groups[VFIO_MAX_GROUPS];
 };
 
-#define VFIO_DIR "/dev/vfio"
-#define VFIO_CONTAINER_PATH "/dev/vfio/vfio"
-#define VFIO_GROUP_FMT "/dev/vfio/%u"
-#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)
-
 /* DMA mapping function prototype.
  * Takes VFIO container fd as a parameter.
  * Returns 0 on success, -1 on error.
@@ -190,24 +181,6 @@ vfio_get_group_fd(int iommu_group_no);
 int
 clear_group(int vfio_group_fd);
 
-/**
- * Setup vfio_cfg for the device identified by its address. It discovers
- * the configured I/O MMU groups or sets a new one for the device. If a new
- * groups is assigned, the DMA mapping is performed.
- * Returns 0 on success, a negative value on failure and a positive value in
- * case the given device cannot be managed this way.
- */
-int vfio_setup_device(const char *sysfs_base, const char *dev_addr,
-		int *vfio_dev_fd, struct vfio_device_info *device_info);
-
-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);
 
 #define SOCKET_REQ_CONTAINER 0x100
@@ -217,8 +190,6 @@ int vfio_mp_sync_setup(void);
 #define SOCKET_NO_FD 0x1
 #define SOCKET_ERR 0xFF
 
-#define VFIO_PRESENT
-#endif /* kernel version */
-#endif /* RTE_EAL_VFIO */
+#endif /* VFIO_PRESENT */
 
 #endif /* EAL_VFIO_H_ */
diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c b/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
index 7e8095cb..b53ed7eb 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
@@ -49,12 +49,12 @@
 #endif
 
 #include <rte_log.h>
-#include <rte_pci.h>
 #include <rte_eal_memconfig.h>
 #include <rte_malloc.h>
+#include <rte_vfio.h>
 
 #include "eal_filesystem.h"
-#include "eal_pci_init.h"
+#include "eal_vfio.h"
 #include "eal_thread.h"
 
 /**
@@ -301,7 +301,8 @@ vfio_mp_sync_thread(void __rte_unused * arg)
 				vfio_mp_sync_send_request(conn_sock, SOCKET_ERR);
 			else
 				vfio_mp_sync_send_fd(conn_sock, fd);
-			close(fd);
+			if (fd >= 0)
+				close(fd);
 			break;
 		case SOCKET_REQ_GROUP:
 			/* wait for group number */
diff --git a/lib/librte_eal/linuxapp/eal/eal_xen_memory.c b/lib/librte_eal/linuxapp/eal/eal_xen_memory.c
deleted file mode 100644
index 19db1cb5..00000000
--- a/lib/librte_eal/linuxapp/eal/eal_xen_memory.c
+++ /dev/null
@@ -1,381 +0,0 @@
-/*-
- *   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.
- */
-
-#include <errno.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <inttypes.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/queue.h>
-#include <sys/file.h>
-#include <unistd.h>
-#include <limits.h>
-#include <sys/ioctl.h>
-#include <sys/time.h>
-
-#include <rte_log.h>
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_launch.h>
-#include <rte_eal.h>
-#include <rte_eal_memconfig.h>
-#include <rte_per_lcore.h>
-#include <rte_lcore.h>
-#include <rte_common.h>
-#include <rte_string_fns.h>
-
-#include "eal_private.h"
-#include "eal_internal_cfg.h"
-#include "eal_filesystem.h"
-#include <exec-env/rte_dom0_common.h>
-
-#define PAGE_SIZE RTE_PGSIZE_4K
-#define DEFAUL_DOM0_NAME "dom0-mem"
-
-static int xen_fd = -1;
-static const char sys_dir_path[] = "/sys/kernel/mm/dom0-mm/memsize-mB";
-
-/*
- * Try to mmap *size bytes in /dev/zero. If it is successful, return the
- * pointer to the mmap'd area and keep *size unmodified. Else, retry
- * with a smaller zone: decrease *size by mem_size until it reaches
- * 0. In this case, return NULL. Note: this function returns an address
- * which is a multiple of mem_size size.
- */
-static void *
-xen_get_virtual_area(size_t *size, size_t mem_size)
-{
-	void *addr;
-	int fd;
-	long aligned_addr;
-
-	RTE_LOG(DEBUG, EAL, "Ask a virtual area of 0x%zu bytes\n", *size);
-
-	fd = open("/dev/zero", O_RDONLY);
-	if (fd < 0){
-		RTE_LOG(ERR, EAL, "Cannot open /dev/zero\n");
-		return NULL;
-	}
-	do {
-		addr = mmap(NULL, (*size) + mem_size, PROT_READ,
-			MAP_PRIVATE, fd, 0);
-		if (addr == MAP_FAILED)
-			*size -= mem_size;
-	} while (addr == MAP_FAILED && *size > 0);
-
-	if (addr == MAP_FAILED) {
-		close(fd);
-		RTE_LOG(ERR, EAL, "Cannot get a virtual area\n");
-		return NULL;
-	}
-
-	munmap(addr, (*size) + mem_size);
-	close(fd);
-
-	/* align addr to a mem_size boundary */
-	aligned_addr = (uintptr_t)addr;
-	aligned_addr = RTE_ALIGN_CEIL(aligned_addr, mem_size);
-        addr = (void *)(aligned_addr);
-
-	RTE_LOG(DEBUG, EAL, "Virtual area found at %p (size = 0x%zx)\n",
-		addr, *size);
-
-	return addr;
-}
-
-/**
- * Get memory size configuration from /sys/devices/virtual/misc/dom0_mm
- * /memsize-mB/memsize file, and the size unit is mB.
- */
-static int
-get_xen_memory_size(void)
-{
-	char path[PATH_MAX];
-	unsigned long mem_size = 0;
-	static const char *file_name;
-
-	file_name = "memsize";
-	snprintf(path, sizeof(path), "%s/%s",
-			sys_dir_path, file_name);
-
-	if (eal_parse_sysfs_value(path, &mem_size) < 0)
-		return -1;
-
-	if (mem_size == 0)
-		rte_exit(EXIT_FAILURE,"XEN-DOM0:the %s/%s was not"
-			" configured.\n",sys_dir_path, file_name);
-	if (mem_size % 2)
-		rte_exit(EXIT_FAILURE,"XEN-DOM0:the %s/%s must be"
-			" even number.\n",sys_dir_path, file_name);
-
-	if (mem_size > DOM0_CONFIG_MEMSIZE)
-		rte_exit(EXIT_FAILURE,"XEN-DOM0:the %s/%s should not be larger"
-			" than %d mB\n",sys_dir_path, file_name, DOM0_CONFIG_MEMSIZE);
-
-	return mem_size;
-}
-
-/**
- * Based on physical address to caculate MFN in Xen Dom0.
- */
-phys_addr_t
-rte_xen_mem_phy2mch(int32_t memseg_id, const phys_addr_t phy_addr)
-{
-	int mfn_id, i;
-	uint64_t mfn, mfn_offset;
-	struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
-	struct rte_memseg *memseg = mcfg->memseg;
-
-	/* find the memory segment owning the physical address */
-	if (memseg_id == -1) {
-		for (i = 0; i < RTE_MAX_MEMSEG; i++) {
-			if ((phy_addr >= memseg[i].phys_addr) &&
-					(phy_addr < memseg[i].phys_addr +
-						memseg[i].len)) {
-				memseg_id = i;
-				break;
-			}
-		}
-		if (memseg_id == -1)
-			return RTE_BAD_PHYS_ADDR;
-	}
-
-	mfn_id = (phy_addr - memseg[memseg_id].phys_addr) / RTE_PGSIZE_2M;
-
-	/*the MFN is contiguous in 2M */
-	mfn_offset = (phy_addr - memseg[memseg_id].phys_addr) %
-					RTE_PGSIZE_2M / PAGE_SIZE;
-	mfn = mfn_offset + memseg[memseg_id].mfn[mfn_id];
-
-	/** return mechine address */
-	return mfn * PAGE_SIZE + phy_addr % PAGE_SIZE;
-}
-
-int
-rte_xen_dom0_memory_init(void)
-{
-	void *vir_addr, *vma_addr = NULL;
-	int err, ret = 0;
-	uint32_t i, requested, mem_size, memseg_idx, num_memseg = 0;
-	size_t vma_len = 0;
-	struct memory_info meminfo;
-	struct memseg_info seginfo[RTE_MAX_MEMSEG];
-	int flags, page_size = getpagesize();
-	struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
-	struct rte_memseg *memseg = mcfg->memseg;
-	uint64_t total_mem = internal_config.memory;
-
-	memset(seginfo, 0, sizeof(seginfo));
-	memset(&meminfo, 0, sizeof(struct memory_info));
-
-	mem_size = get_xen_memory_size();
-	requested = (unsigned) (total_mem / 0x100000);
-	if (requested > mem_size)
-		/* if we didn't satisfy total memory requirements */
-		rte_exit(EXIT_FAILURE,"Not enough memory available! Requested: %uMB,"
-				" available: %uMB\n", requested, mem_size);
-	else if (total_mem != 0)
-		mem_size = requested;
-
-	/* Check FD and open once */
-	if (xen_fd < 0) {
-		xen_fd = open(DOM0_MM_DEV, O_RDWR);
-		if (xen_fd < 0) {
-			RTE_LOG(ERR, EAL, "Can not open %s\n",DOM0_MM_DEV);
-			return -1;
-		}
-	}
-
-	meminfo.size = mem_size;
-
-	/* construct memory mangement name for Dom0 */
-	snprintf(meminfo.name, DOM0_NAME_MAX, "%s-%s",
-		internal_config.hugefile_prefix, DEFAUL_DOM0_NAME);
-
-	/* Notify kernel driver to allocate memory */
-	ret = ioctl(xen_fd, RTE_DOM0_IOCTL_PREPARE_MEMSEG, &meminfo);
-	if (ret < 0) {
-		RTE_LOG(ERR, EAL, "XEN DOM0:failed to get memory\n");
-		err = -EIO;
-		goto fail;
-	}
-
-	/* Get number of memory segment from driver */
-	ret = ioctl(xen_fd, RTE_DOM0_IOCTL_GET_NUM_MEMSEG, &num_memseg);
-	if (ret < 0) {
-		RTE_LOG(ERR, EAL, "XEN DOM0:failed to get memseg count.\n");
-		err = -EIO;
-		goto fail;
-	}
-
-	if(num_memseg > RTE_MAX_MEMSEG){
-		RTE_LOG(ERR, EAL, "XEN DOM0: the memseg count %d is greater"
-			" than max memseg %d.\n",num_memseg, RTE_MAX_MEMSEG);
-		err = -EIO;
-		goto fail;
-	}
-
-	/* get all memory segements information */
-	ret = ioctl(xen_fd, RTE_DOM0_IOCTL_GET_MEMSEG_INFO, seginfo);
-	if (ret < 0) {
-		RTE_LOG(ERR, EAL, "XEN DOM0:failed to get memseg info.\n");
-		err = -EIO;
-		goto fail;
-	}
-
-	/* map all memory segments to contiguous user space */
-	for (memseg_idx = 0; memseg_idx < num_memseg; memseg_idx++)
-	{
-		vma_len = seginfo[memseg_idx].size;
-
-		/**
-		 * get the biggest virtual memory area up to vma_len. If it fails,
-		 * vma_addr is NULL, so let the kernel provide the address.
-		 */
-		vma_addr = xen_get_virtual_area(&vma_len, RTE_PGSIZE_2M);
-		if (vma_addr == NULL) {
-			flags = MAP_SHARED;
-			vma_len = RTE_PGSIZE_2M;
-		} else
-			flags = MAP_SHARED | MAP_FIXED;
-
-		seginfo[memseg_idx].size = vma_len;
-		vir_addr = mmap(vma_addr, seginfo[memseg_idx].size,
-			PROT_READ|PROT_WRITE, flags, xen_fd,
-			memseg_idx * page_size);
-		if (vir_addr == MAP_FAILED) {
-			RTE_LOG(ERR, EAL, "XEN DOM0:Could not mmap %s\n",
-				DOM0_MM_DEV);
-			err = -EIO;
-			goto fail;
-		}
-
-		memseg[memseg_idx].addr = vir_addr;
-		memseg[memseg_idx].phys_addr = page_size *
-			seginfo[memseg_idx].pfn ;
-		memseg[memseg_idx].len = seginfo[memseg_idx].size;
-		for ( i = 0; i < seginfo[memseg_idx].size / RTE_PGSIZE_2M; i++)
-			memseg[memseg_idx].mfn[i] = seginfo[memseg_idx].mfn[i];
-
-		/* MFNs are continuous in 2M, so assume that page size is 2M */
-		memseg[memseg_idx].hugepage_sz = RTE_PGSIZE_2M;
-
-		memseg[memseg_idx].nchannel = mcfg->nchannel;
-		memseg[memseg_idx].nrank = mcfg->nrank;
-
-		/* NUMA is not suppoted in Xen Dom0, so only set socket 0*/
-		memseg[memseg_idx].socket_id = 0;
-	}
-
-	return 0;
-fail:
-	if (xen_fd > 0) {
-		close(xen_fd);
-		xen_fd = -1;
-	}
-	return err;
-}
-
-/*
- * This creates the memory mappings in the secondary process to match that of
- * the server process. It goes through each memory segment in the DPDK runtime
- * configuration, mapping them in order to form a contiguous block in the
- * virtual memory space
- */
-int
-rte_xen_dom0_memory_attach(void)
-{
-	const struct rte_mem_config *mcfg;
-	unsigned s = 0; /* s used to track the segment number */
-	int xen_fd = -1;
-	int ret = -1;
-	void *vir_addr;
-	char name[DOM0_NAME_MAX] = {0};
-	int page_size = getpagesize();
-
-	mcfg = rte_eal_get_configuration()->mem_config;
-
-	/* Check FD and open once */
-	if (xen_fd < 0) {
-		xen_fd = open(DOM0_MM_DEV, O_RDWR);
-		if (xen_fd < 0) {
-			RTE_LOG(ERR, EAL, "Can not open %s\n",DOM0_MM_DEV);
-			goto error;
-		}
-	}
-
-	/* construct memory mangement name for Dom0 */
-	snprintf(name, DOM0_NAME_MAX, "%s-%s",
-		internal_config.hugefile_prefix, DEFAUL_DOM0_NAME);
-	/* attach to memory segments of primary process */
-	ret = ioctl(xen_fd, RTE_DOM0_IOCTL_ATTACH_TO_MEMSEG, name);
-	if (ret) {
-		RTE_LOG(ERR, EAL,"attach memory segments fail.\n");
-		goto error;
-	}
-
-	/* map all segments into memory to make sure we get the addrs */
-	for (s = 0; s < RTE_MAX_MEMSEG; ++s) {
-
-		/*
-		 * the first memory segment with len==0 is the one that
-		 * follows the last valid segment.
-		 */
-		if (mcfg->memseg[s].len == 0)
-			break;
-
-		vir_addr = mmap(mcfg->memseg[s].addr, mcfg->memseg[s].len,
-				PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED, xen_fd,
-				s * page_size);
-		if (vir_addr == MAP_FAILED) {
-			RTE_LOG(ERR, EAL, "Could not mmap %llu bytes "
-				"in %s to requested address [%p]\n",
-				(unsigned long long)mcfg->memseg[s].len, DOM0_MM_DEV,
-				mcfg->memseg[s].addr);
-			goto error;
-		}
-	}
-	return 0;
-
-error:
-	if (xen_fd >= 0) {
-		close(xen_fd);
-		xen_fd = -1;
-	}
-	return -1;
-}
diff --git a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
deleted file mode 100644
index d9707780..00000000
--- a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/*-
- *   This file is provided under a dual BSD/LGPLv2 license.  When using or
- *   redistributing this file, you may do so under either license.
- *
- *   GNU LESSER GENERAL PUBLIC LICENSE
- *
- *   Copyright(c) 2007-2014 Intel Corporation. All rights reserved.
- *
- *   This program is free software; you can redistribute it and/or modify
- *   it under the terms of version 2.1 of the GNU Lesser General Public License
- *   as published by the Free Software Foundation.
- *
- *   This program is distributed in the hope that it will be useful, but
- *   WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *   Lesser General Public License for more details.
- *
- *   You should have received a copy of the GNU Lesser General Public License
- *   along with this program; if not, write to the Free Software
- *   Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- *   Contact Information:
- *   Intel Corporation
- *
- *
- *   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 _RTE_DOM0_COMMON_H_
-#define _RTE_DOM0_COMMON_H_
-
-#ifdef __KERNEL__
-#include <linux/if.h>
-#endif
-
-#define DOM0_NAME_MAX   256
-#define DOM0_MM_DEV   "/dev/dom0_mm"
-
-#define DOM0_CONTIG_NUM_ORDER       9       /**< order of 2M */
-#define DOM0_NUM_MEMSEG             512     /**< Maximum nb. of memory segment. */
-#define DOM0_MEMBLOCK_SIZE          0x200000 /**< size of memory block(2M). */
-#define DOM0_CONFIG_MEMSIZE         4096     /**< Maximum config memory size(4G). */
-#define DOM0_NUM_MEMBLOCK (DOM0_CONFIG_MEMSIZE / 2) /**< Maximum nb. of 2M memory block. */
-
-#define RTE_DOM0_IOCTL_PREPARE_MEMSEG    _IOWR(0, 1 , struct memory_info)
-#define RTE_DOM0_IOCTL_ATTACH_TO_MEMSEG  _IOWR(0, 2 , char *)
-#define RTE_DOM0_IOCTL_GET_NUM_MEMSEG    _IOWR(0, 3, int)
-#define RTE_DOM0_IOCTL_GET_MEMSEG_INFO   _IOWR(0, 4, void *)
-
-/**
- * A structure used to store memory information.
- */
-struct memory_info {
-	char name[DOM0_NAME_MAX];
-	uint64_t size;
-};
-
-/**
- * A structure used to store memory segment information.
- */
-struct memseg_info {
-	uint32_t idx;
-	uint64_t pfn;
-	uint64_t size;
-	uint64_t mfn[DOM0_NUM_MEMBLOCK];
-};
-
-/**
- * A structure used to store memory block information.
- */
-struct memblock_info {
-	uint8_t exchange_flag;
-	uint8_t used;
-	uint64_t vir_addr;
-	uint64_t pfn;
-	uint64_t mfn;
-};
-#endif /* _RTE_DOM0_COMMON_H_ */
diff --git a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h
deleted file mode 100644
index 6daffebf..00000000
--- a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h
+++ /dev/null
@@ -1,239 +0,0 @@
-/*-
- *   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 _RTE_INTERRUPTS_H_
-#error "don't include this file directly, please include generic <rte_interrupts.h>"
-#endif
-
-#ifndef _RTE_LINUXAPP_INTERRUPTS_H_
-#define _RTE_LINUXAPP_INTERRUPTS_H_
-
-#define RTE_MAX_RXTX_INTR_VEC_ID     32
-#define RTE_INTR_VEC_ZERO_OFFSET      0
-#define RTE_INTR_VEC_RXTX_OFFSET      1
-
-enum rte_intr_handle_type {
-	RTE_INTR_HANDLE_UNKNOWN = 0,
-	RTE_INTR_HANDLE_UIO,          /**< uio device handle */
-	RTE_INTR_HANDLE_UIO_INTX,     /**< uio generic handle */
-	RTE_INTR_HANDLE_VFIO_LEGACY,  /**< vfio device handle (legacy) */
-	RTE_INTR_HANDLE_VFIO_MSI,     /**< vfio device handle (MSI) */
-	RTE_INTR_HANDLE_VFIO_MSIX,    /**< vfio device handle (MSIX) */
-	RTE_INTR_HANDLE_ALARM,        /**< alarm handle */
-	RTE_INTR_HANDLE_EXT,          /**< external handler */
-	RTE_INTR_HANDLE_VDEV,         /**< virtual device */
-	RTE_INTR_HANDLE_MAX
-};
-
-#define RTE_INTR_EVENT_ADD            1UL
-#define RTE_INTR_EVENT_DEL            2UL
-
-typedef void (*rte_intr_event_cb_t)(int fd, void *arg);
-
-struct rte_epoll_data {
-	uint32_t event;               /**< event type */
-	void *data;                   /**< User data */
-	rte_intr_event_cb_t cb_fun;   /**< IN: callback fun */
-	void *cb_arg;	              /**< IN: callback arg */
-};
-
-enum {
-	RTE_EPOLL_INVALID = 0,
-	RTE_EPOLL_VALID,
-	RTE_EPOLL_EXEC,
-};
-
-/** interrupt epoll event obj, taken by epoll_event.ptr */
-struct rte_epoll_event {
-	volatile uint32_t status;  /**< OUT: event status */
-	int fd;                    /**< OUT: event fd */
-	int epfd;       /**< OUT: epoll instance the ev associated with */
-	struct rte_epoll_data epdata;
-};
-
-/** Handle for interrupts. */
-struct rte_intr_handle {
-	RTE_STD_C11
-	union {
-		int vfio_dev_fd;  /**< VFIO device file descriptor */
-		int uio_cfg_fd;  /**< UIO config file descriptor
-					for uio_pci_generic */
-	};
-	int fd;	 /**< interrupt event file descriptor */
-	enum rte_intr_handle_type type;  /**< handle type */
-	uint32_t max_intr;             /**< max interrupt requested */
-	uint32_t nb_efd;               /**< number of available efd(event fd) */
-	int efds[RTE_MAX_RXTX_INTR_VEC_ID];  /**< intr vectors/efds mapping */
-	struct rte_epoll_event elist[RTE_MAX_RXTX_INTR_VEC_ID];
-				       /**< intr vector epoll event */
-	int *intr_vec;                 /**< intr vector number array */
-};
-
-#define RTE_EPOLL_PER_THREAD        -1  /**< to hint using per thread epfd */
-
-/**
- * It waits for events on the epoll instance.
- *
- * @param epfd
- *   Epoll instance fd on which the caller wait for events.
- * @param events
- *   Memory area contains the events that will be available for the caller.
- * @param maxevents
- *   Up to maxevents are returned, must greater than zero.
- * @param timeout
- *   Specifying a timeout of -1 causes a block indefinitely.
- *   Specifying a timeout equal to zero cause to return immediately.
- * @return
- *   - On success, returns the number of available event.
- *   - On failure, a negative value.
- */
-int
-rte_epoll_wait(int epfd, struct rte_epoll_event *events,
-	       int maxevents, int timeout);
-
-/**
- * It performs control operations on epoll instance referred by the epfd.
- * It requests that the operation op be performed for the target fd.
- *
- * @param epfd
- *   Epoll instance fd on which the caller perform control operations.
- * @param op
- *   The operation be performed for the target fd.
- * @param fd
- *   The target fd on which the control ops perform.
- * @param event
- *   Describes the object linked to the fd.
- *   Note: The caller must take care the object deletion after CTL_DEL.
- * @return
- *   - On success, zero.
- *   - On failure, a negative value.
- */
-int
-rte_epoll_ctl(int epfd, int op, int fd,
-	      struct rte_epoll_event *event);
-
-/**
- * The function returns the per thread epoll instance.
- *
- * @return
- *   epfd the epoll instance referred to.
- */
-int
-rte_intr_tls_epfd(void);
-
-/**
- * @param intr_handle
- *   Pointer to the interrupt handle.
- * @param epfd
- *   Epoll instance fd which the intr vector associated to.
- * @param op
- *   The operation be performed for the vector.
- *   Operation type of {ADD, DEL}.
- * @param vec
- *   RX intr vector number added to the epoll instance wait list.
- * @param data
- *   User raw data.
- * @return
- *   - On success, zero.
- *   - On failure, a negative value.
- */
-int
-rte_intr_rx_ctl(struct rte_intr_handle *intr_handle,
-		int epfd, int op, unsigned int vec, void *data);
-
-/**
- * It deletes registered eventfds.
- *
- * @param intr_handle
- *   Pointer to the interrupt handle.
- */
-void
-rte_intr_free_epoll_fd(struct rte_intr_handle *intr_handle);
-
-/**
- * It enables the packet I/O interrupt event if it's necessary.
- * It creates event fd for each interrupt vector when MSIX is used,
- * otherwise it multiplexes a single event fd.
- *
- * @param intr_handle
- *   Pointer to the interrupt handle.
- * @param nb_efd
- *   Number of interrupt vector trying to enable.
- *   The value 0 is not allowed.
- * @return
- *   - On success, zero.
- *   - On failure, a negative value.
- */
-int
-rte_intr_efd_enable(struct rte_intr_handle *intr_handle, uint32_t nb_efd);
-
-/**
- * It disables the packet I/O interrupt event.
- * It deletes registered eventfds and closes the open fds.
- *
- * @param intr_handle
- *   Pointer to the interrupt handle.
- */
-void
-rte_intr_efd_disable(struct rte_intr_handle *intr_handle);
-
-/**
- * The packet I/O interrupt on datapath is enabled or not.
- *
- * @param intr_handle
- *   Pointer to the interrupt handle.
- */
-int
-rte_intr_dp_is_en(struct rte_intr_handle *intr_handle);
-
-/**
- * The interrupt handle instance allows other causes or not.
- * Other causes stand for any none packet I/O interrupts.
- *
- * @param intr_handle
- *   Pointer to the interrupt handle.
- */
-int
-rte_intr_allow_others(struct rte_intr_handle *intr_handle);
-
-/**
- * The multiple interrupt vector capability of interrupt handle instance.
- * It returns zero if no multiple interrupt vector support.
- *
- * @param intr_handle
- *   Pointer to the interrupt handle.
- */
-int
-rte_intr_cap_multiple(struct rte_intr_handle *intr_handle);
-
-#endif /* _RTE_LINUXAPP_INTERRUPTS_H_ */
diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
deleted file mode 100644
index 3a8f1540..00000000
--- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
+++ /dev/null
@@ -1,244 +0,0 @@
-DPDK_2.0 {
-	global:
-
-	__rte_panic;
-	devargs_list;
-	eal_parse_sysfs_value;
-	eal_timer_source;
-	lcore_config;
-	per_lcore__lcore_id;
-	per_lcore__rte_errno;
-	rte_calloc;
-	rte_calloc_socket;
-	rte_cpu_check_supported;
-	rte_cpu_get_flag_enabled;
-	rte_cycles_vmware_tsc_map;
-	rte_delay_us;
-	rte_dump_physmem_layout;
-	rte_dump_registers;
-	rte_dump_stack;
-	rte_dump_tailq;
-	rte_eal_alarm_cancel;
-	rte_eal_alarm_set;
-	rte_eal_devargs_add;
-	rte_eal_devargs_dump;
-	rte_eal_devargs_type_count;
-	rte_eal_get_configuration;
-	rte_eal_get_lcore_state;
-	rte_eal_get_physmem_layout;
-	rte_eal_get_physmem_size;
-	rte_eal_has_hugepages;
-	rte_eal_hpet_init;
-	rte_eal_init;
-	rte_eal_iopl_init;
-	rte_eal_lcore_role;
-	rte_eal_mp_remote_launch;
-	rte_eal_mp_wait_lcore;
-	rte_eal_parse_devargs_str;
-	rte_eal_process_type;
-	rte_eal_remote_launch;
-	rte_eal_tailq_lookup;
-	rte_eal_tailq_register;
-	rte_eal_wait_lcore;
-	rte_exit;
-	rte_free;
-	rte_get_hpet_cycles;
-	rte_get_hpet_hz;
-	rte_get_log_level;
-	rte_get_log_type;
-	rte_get_tsc_hz;
-	rte_hexdump;
-	rte_intr_callback_register;
-	rte_intr_callback_unregister;
-	rte_intr_disable;
-	rte_intr_enable;
-	rte_log;
-	rte_log_cur_msg_loglevel;
-	rte_log_cur_msg_logtype;
-	rte_logs;
-	rte_malloc;
-	rte_malloc_dump_stats;
-	rte_malloc_get_socket_stats;
-	rte_malloc_set_limit;
-	rte_malloc_socket;
-	rte_malloc_validate;
-	rte_malloc_virt2phy;
-	rte_mem_lock_page;
-	rte_mem_phy2mch;
-	rte_mem_virt2phy;
-	rte_memdump;
-	rte_memory_get_nchannel;
-	rte_memory_get_nrank;
-	rte_memzone_dump;
-	rte_memzone_lookup;
-	rte_memzone_reserve;
-	rte_memzone_reserve_aligned;
-	rte_memzone_reserve_bounded;
-	rte_memzone_walk;
-	rte_openlog_stream;
-	rte_realloc;
-	rte_set_application_usage_hook;
-	rte_set_log_level;
-	rte_set_log_type;
-	rte_socket_id;
-	rte_strerror;
-	rte_strsplit;
-	rte_sys_gettid;
-	rte_thread_get_affinity;
-	rte_thread_set_affinity;
-	rte_vlog;
-	rte_xen_dom0_memory_attach;
-	rte_xen_dom0_memory_init;
-	rte_zmalloc;
-	rte_zmalloc_socket;
-
-	local: *;
-};
-
-DPDK_2.1 {
-	global:
-
-	rte_epoll_ctl;
-	rte_epoll_wait;
-	rte_intr_allow_others;
-	rte_intr_dp_is_en;
-	rte_intr_efd_disable;
-	rte_intr_efd_enable;
-	rte_intr_rx_ctl;
-	rte_intr_tls_epfd;
-	rte_memzone_free;
-
-} DPDK_2.0;
-
-DPDK_2.2 {
-	global:
-
-	rte_intr_cap_multiple;
-	rte_keepalive_create;
-	rte_keepalive_dispatch_pings;
-	rte_keepalive_mark_alive;
-	rte_keepalive_register_core;
-	rte_xen_dom0_supported;
-	rte_xen_mem_phy2mch;
-
-} DPDK_2.1;
-
-DPDK_16.04 {
-	global:
-
-	rte_cpu_get_flag_name;
-	rte_eal_primary_proc_alive;
-
-} DPDK_2.2;
-
-DPDK_16.07 {
-	global:
-
-	pci_get_sysfs_path;
-	rte_keepalive_mark_sleep;
-	rte_keepalive_register_relay_callback;
-	rte_rtm_supported;
-	rte_thread_setname;
-
-} DPDK_16.04;
-
-DPDK_16.11 {
-	global:
-
-	rte_delay_us_block;
-	rte_delay_us_callback_register;
-	rte_eal_dev_attach;
-	rte_eal_dev_detach;
-
-} DPDK_16.07;
-
-DPDK_17.02 {
-	global:
-
-	rte_bus_dump;
-	rte_bus_probe;
-	rte_bus_register;
-	rte_bus_scan;
-	rte_bus_unregister;
-
-} DPDK_16.11;
-
-DPDK_17.05 {
-	global:
-
-	rte_cpu_is_supported;
-	rte_intr_free_epoll_fd;
-	rte_log_dump;
-	rte_log_get_global_level;
-	rte_log_register;
-	rte_log_set_global_level;
-	rte_log_set_level;
-	rte_log_set_level_regexp;
-	rte_pci_detach;
-	rte_pci_dump;
-	rte_pci_ioport_map;
-	rte_pci_ioport_read;
-	rte_pci_ioport_unmap;
-	rte_pci_ioport_write;
-	rte_pci_map_device;
-	rte_pci_probe;
-	rte_pci_probe_one;
-	rte_pci_read_config;
-	rte_pci_register;
-	rte_pci_scan;
-	rte_pci_unmap_device;
-	rte_pci_unregister;
-	rte_pci_write_config;
-	rte_vdev_init;
-	rte_vdev_register;
-	rte_vdev_uninit;
-	rte_vdev_unregister;
-	vfio_get_container_fd;
-	vfio_get_group_fd;
-	vfio_get_group_no;
-
-} DPDK_17.02;
-
-DPDK_17.08 {
-	global:
-
-	rte_bus_find;
-	rte_bus_find_by_device;
-	rte_bus_find_by_name;
-	rte_log_get_level;
-
-} DPDK_17.05;
-
-EXPERIMENTAL {
-	global:
-
-	rte_eal_devargs_insert;
-	rte_eal_devargs_parse;
-	rte_eal_devargs_remove;
-	rte_eal_hotplug_add;
-	rte_eal_hotplug_remove;
-	rte_service_disable_on_lcore;
-	rte_service_dump;
-	rte_service_enable_on_lcore;
-	rte_service_get_by_id;
-	rte_service_get_by_name;
-	rte_service_get_count;
-	rte_service_get_enabled_on_lcore;
-	rte_service_is_running;
-	rte_service_lcore_add;
-	rte_service_lcore_count;
-	rte_service_lcore_del;
-	rte_service_lcore_list;
-	rte_service_lcore_reset_all;
-	rte_service_lcore_start;
-	rte_service_lcore_stop;
-	rte_service_probe_capability;
-	rte_service_register;
-	rte_service_reset;
-	rte_service_set_stats_enable;
-	rte_service_start;
-	rte_service_start_with_defaults;
-	rte_service_stop;
-	rte_service_unregister;
-
-} DPDK_17.08;
diff --git a/lib/librte_eal/linuxapp/igb_uio/compat.h b/lib/librte_eal/linuxapp/igb_uio/compat.h
index b800a53c..ce456d4b 100644
--- a/lib/librte_eal/linuxapp/igb_uio/compat.h
+++ b/lib/librte_eal/linuxapp/igb_uio/compat.h
@@ -16,12 +16,9 @@
 #endif
 
 #ifndef PCI_MSIX_ENTRY_SIZE
-#define PCI_MSIX_ENTRY_SIZE             16
-#define  PCI_MSIX_ENTRY_LOWER_ADDR      0
-#define  PCI_MSIX_ENTRY_UPPER_ADDR      4
-#define  PCI_MSIX_ENTRY_DATA            8
-#define  PCI_MSIX_ENTRY_VECTOR_CTRL     12
-#define   PCI_MSIX_ENTRY_CTRL_MASKBIT   1
+#define PCI_MSIX_ENTRY_SIZE            16
+#define PCI_MSIX_ENTRY_VECTOR_CTRL     12
+#define PCI_MSIX_ENTRY_CTRL_MASKBIT    1
 #endif
 
 /*
@@ -124,6 +121,14 @@ static bool pci_check_and_mask_intx(struct pci_dev *pdev)
 
 #endif /* < 3.3.0 */
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 8, 0)
-#define HAVE_PCI_ENABLE_MSIX
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0)
+#define HAVE_ALLOC_IRQ_VECTORS 1
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 3, 0)
+#define HAVE_MSI_LIST_IN_GENERIC_DEVICE 1
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0)
+#define HAVE_PCI_MSI_MASK_IRQ 1
 #endif
diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
index 07a19a31..a3a98c17 100644
--- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
+++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
@@ -29,13 +29,11 @@
 #include <linux/pci.h>
 #include <linux/uio_driver.h>
 #include <linux/io.h>
+#include <linux/irq.h>
 #include <linux/msi.h>
 #include <linux/version.h>
 #include <linux/slab.h>
 
-#ifdef CONFIG_XEN_DOM0
-#include <xen/xen.h>
-#endif
 #include <rte_pci_dev_features.h>
 
 #include "compat.h"
@@ -51,7 +49,6 @@ struct rte_uio_pci_dev {
 
 static char *intr_mode;
 static enum rte_intr_mode igbuio_intr_mode_preferred = RTE_INTR_MODE_MSIX;
-
 /* sriov sysfs */
 static ssize_t
 show_max_vfs(struct device *dev, struct device_attribute *attr,
@@ -91,14 +88,16 @@ static struct attribute *dev_attrs[] = {
 static const struct attribute_group dev_attr_grp = {
 	.attrs = dev_attrs,
 };
+
+#ifndef HAVE_PCI_MSI_MASK_IRQ
 /*
  * It masks the msix on/off of generating MSI-X messages.
  */
 static void
-igbuio_msix_mask_irq(struct msi_desc *desc, int32_t state)
+igbuio_msix_mask_irq(struct msi_desc *desc, s32 state)
 {
 	u32 mask_bits = desc->masked;
-	unsigned offset = desc->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE +
+	unsigned int offset = desc->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE +
 						PCI_MSIX_ENTRY_VECTOR_CTRL;
 
 	if (state != 0)
@@ -113,6 +112,52 @@ igbuio_msix_mask_irq(struct msi_desc *desc, int32_t state)
 	}
 }
 
+/*
+ * It masks the msi on/off of generating MSI messages.
+ */
+static void
+igbuio_msi_mask_irq(struct pci_dev *pdev, struct msi_desc *desc, int32_t state)
+{
+	u32 mask_bits = desc->masked;
+	u32 offset = desc->irq - pdev->irq;
+	u32 mask = 1 << offset;
+
+	if (!desc->msi_attrib.maskbit)
+		return;
+
+	if (state != 0)
+		mask_bits &= ~mask;
+	else
+		mask_bits |= mask;
+
+	if (mask_bits != desc->masked) {
+		pci_write_config_dword(pdev, desc->mask_pos, mask_bits);
+		desc->masked = mask_bits;
+	}
+}
+
+static void
+igbuio_mask_irq(struct pci_dev *pdev, enum rte_intr_mode mode, s32 irq_state)
+{
+	struct msi_desc *desc;
+	struct list_head *msi_list;
+
+#ifdef HAVE_MSI_LIST_IN_GENERIC_DEVICE
+	msi_list = &pdev->dev.msi_list;
+#else
+	msi_list = &pdev->msi_list;
+#endif
+
+	if (mode == RTE_INTR_MODE_MSIX) {
+		list_for_each_entry(desc, msi_list, list)
+			igbuio_msix_mask_irq(desc, irq_state);
+	} else if (mode == RTE_INTR_MODE_MSI) {
+		list_for_each_entry(desc, msi_list, list)
+			igbuio_msi_mask_irq(pdev, desc, irq_state);
+	}
+}
+#endif
+
 /**
  * This is the irqcontrol callback to be registered to uio_info.
  * It can be used to disable/enable interrupt from user space processes.
@@ -132,21 +177,26 @@ igbuio_pci_irqcontrol(struct uio_info *info, s32 irq_state)
 	struct rte_uio_pci_dev *udev = info->priv;
 	struct pci_dev *pdev = udev->pdev;
 
-	pci_cfg_access_lock(pdev);
-	if (udev->mode == RTE_INTR_MODE_LEGACY)
-		pci_intx(pdev, !!irq_state);
+#ifdef HAVE_PCI_MSI_MASK_IRQ
+	struct irq_data *irq = irq_get_irq_data(udev->info.irq);
+#endif
 
-	else if (udev->mode == RTE_INTR_MODE_MSIX) {
-		struct msi_desc *desc;
+	pci_cfg_access_lock(pdev);
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 3, 0))
-		list_for_each_entry(desc, &pdev->msi_list, list)
-			igbuio_msix_mask_irq(desc, irq_state);
+	if (udev->mode == RTE_INTR_MODE_MSIX || udev->mode == RTE_INTR_MODE_MSI) {
+#ifdef HAVE_PCI_MSI_MASK_IRQ
+		if (irq_state == 1)
+			pci_msi_unmask_irq(irq);
+		else
+			pci_msi_mask_irq(irq);
 #else
-		list_for_each_entry(desc, &pdev->dev.msi_list, list)
-			igbuio_msix_mask_irq(desc, irq_state);
+		igbuio_mask_irq(pdev, udev->mode, irq_state);
 #endif
 	}
+
+	if (udev->mode == RTE_INTR_MODE_LEGACY)
+		pci_intx(pdev, !!irq_state);
+
 	pci_cfg_access_unlock(pdev);
 
 	return 0;
@@ -157,19 +207,125 @@ igbuio_pci_irqcontrol(struct uio_info *info, s32 irq_state)
  * If yes, disable it here and will be enable later.
  */
 static irqreturn_t
-igbuio_pci_irqhandler(int irq, struct uio_info *info)
+igbuio_pci_irqhandler(int irq, void *dev_id)
 {
-	struct rte_uio_pci_dev *udev = info->priv;
+	struct rte_uio_pci_dev *udev = (struct rte_uio_pci_dev *)dev_id;
+	struct uio_info *info = &udev->info;
 
 	/* Legacy mode need to mask in hardware */
 	if (udev->mode == RTE_INTR_MODE_LEGACY &&
 	    !pci_check_and_mask_intx(udev->pdev))
 		return IRQ_NONE;
 
+	uio_event_notify(info);
+
 	/* Message signal mode, no share IRQ and automasked */
 	return IRQ_HANDLED;
 }
 
+static int
+igbuio_pci_enable_interrupts(struct rte_uio_pci_dev *udev)
+{
+	int err = 0;
+#ifndef HAVE_ALLOC_IRQ_VECTORS
+	struct msix_entry msix_entry;
+#endif
+
+	switch (igbuio_intr_mode_preferred) {
+	case RTE_INTR_MODE_MSIX:
+		/* Only 1 msi-x vector needed */
+#ifndef HAVE_ALLOC_IRQ_VECTORS
+		msix_entry.entry = 0;
+		if (pci_enable_msix(udev->pdev, &msix_entry, 1) == 0) {
+			dev_dbg(&udev->pdev->dev, "using MSI-X");
+			udev->info.irq_flags = IRQF_NO_THREAD;
+			udev->info.irq = msix_entry.vector;
+			udev->mode = RTE_INTR_MODE_MSIX;
+			break;
+		}
+#else
+		if (pci_alloc_irq_vectors(udev->pdev, 1, 1, PCI_IRQ_MSIX) == 1) {
+			dev_dbg(&udev->pdev->dev, "using MSI-X");
+			udev->info.irq_flags = IRQF_NO_THREAD;
+			udev->info.irq = pci_irq_vector(udev->pdev, 0);
+			udev->mode = RTE_INTR_MODE_MSIX;
+			break;
+		}
+#endif
+
+	/* fall back to MSI */
+	case RTE_INTR_MODE_MSI:
+#ifndef HAVE_ALLOC_IRQ_VECTORS
+		if (pci_enable_msi(udev->pdev) == 0) {
+			dev_dbg(&udev->pdev->dev, "using MSI");
+			udev->info.irq_flags = IRQF_NO_THREAD;
+			udev->info.irq = udev->pdev->irq;
+			udev->mode = RTE_INTR_MODE_MSI;
+			break;
+		}
+#else
+		if (pci_alloc_irq_vectors(udev->pdev, 1, 1, PCI_IRQ_MSI) == 1) {
+			dev_dbg(&udev->pdev->dev, "using MSI");
+			udev->info.irq_flags = IRQF_NO_THREAD;
+			udev->info.irq = pci_irq_vector(udev->pdev, 0);
+			udev->mode = RTE_INTR_MODE_MSI;
+			break;
+		}
+#endif
+	/* fall back to INTX */
+	case RTE_INTR_MODE_LEGACY:
+		if (pci_intx_mask_supported(udev->pdev)) {
+			dev_dbg(&udev->pdev->dev, "using INTX");
+			udev->info.irq_flags = IRQF_SHARED | IRQF_NO_THREAD;
+			udev->info.irq = udev->pdev->irq;
+			udev->mode = RTE_INTR_MODE_LEGACY;
+			break;
+		}
+		dev_notice(&udev->pdev->dev, "PCI INTX mask not supported\n");
+	/* fall back to no IRQ */
+	case RTE_INTR_MODE_NONE:
+		udev->mode = RTE_INTR_MODE_NONE;
+		udev->info.irq = UIO_IRQ_NONE;
+		break;
+
+	default:
+		dev_err(&udev->pdev->dev, "invalid IRQ mode %u",
+			igbuio_intr_mode_preferred);
+		udev->info.irq = UIO_IRQ_NONE;
+		err = -EINVAL;
+	}
+
+	if (udev->info.irq != UIO_IRQ_NONE)
+		err = request_irq(udev->info.irq, igbuio_pci_irqhandler,
+				  udev->info.irq_flags, udev->info.name,
+				  udev);
+	dev_info(&udev->pdev->dev, "uio device registered with irq %lx\n",
+		 udev->info.irq);
+
+	return err;
+}
+
+static void
+igbuio_pci_disable_interrupts(struct rte_uio_pci_dev *udev)
+{
+	if (udev->info.irq) {
+		free_irq(udev->info.irq, udev);
+		udev->info.irq = 0;
+	}
+
+#ifndef HAVE_ALLOC_IRQ_VECTORS
+	if (udev->mode == RTE_INTR_MODE_MSIX)
+		pci_disable_msix(udev->pdev);
+	if (udev->mode == RTE_INTR_MODE_MSI)
+		pci_disable_msi(udev->pdev);
+#else
+	if (udev->mode == RTE_INTR_MODE_MSIX ||
+	    udev->mode == RTE_INTR_MODE_MSI)
+		pci_free_irq_vectors(udev->pdev);
+#endif
+}
+
+
 /**
  * This gets called while opening uio device file.
  */
@@ -178,12 +334,17 @@ igbuio_pci_open(struct uio_info *info, struct inode *inode)
 {
 	struct rte_uio_pci_dev *udev = info->priv;
 	struct pci_dev *dev = udev->pdev;
-
-	pci_reset_function(dev);
+	int err;
 
 	/* set bus master, which was cleared by the reset function */
 	pci_set_master(dev);
 
+	/* enable interrupts */
+	err = igbuio_pci_enable_interrupts(udev);
+	if (err) {
+		dev_err(&dev->dev, "Enable interrupt fails\n");
+		return err;
+	}
 	return 0;
 }
 
@@ -193,60 +354,15 @@ igbuio_pci_release(struct uio_info *info, struct inode *inode)
 	struct rte_uio_pci_dev *udev = info->priv;
 	struct pci_dev *dev = udev->pdev;
 
+	/* disable interrupts */
+	igbuio_pci_disable_interrupts(udev);
+
 	/* stop the device from further DMA */
 	pci_clear_master(dev);
 
-	pci_reset_function(dev);
-
 	return 0;
 }
 
-#ifdef CONFIG_XEN_DOM0
-static int
-igbuio_dom0_mmap_phys(struct uio_info *info, struct vm_area_struct *vma)
-{
-	int idx;
-
-	idx = (int)vma->vm_pgoff;
-	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-#ifdef HAVE_PTE_MASK_PAGE_IOMAP
-	vma->vm_page_prot.pgprot |= _PAGE_IOMAP;
-#endif
-
-	return remap_pfn_range(vma,
-			vma->vm_start,
-			info->mem[idx].addr >> PAGE_SHIFT,
-			vma->vm_end - vma->vm_start,
-			vma->vm_page_prot);
-}
-
-/**
- * This is uio device mmap method which will use igbuio mmap for Xen
- * Dom0 environment.
- */
-static int
-igbuio_dom0_pci_mmap(struct uio_info *info, struct vm_area_struct *vma)
-{
-	int idx;
-
-	if (vma->vm_pgoff >= MAX_UIO_MAPS)
-		return -EINVAL;
-
-	if (info->mem[vma->vm_pgoff].size == 0)
-		return -EINVAL;
-
-	idx = (int)vma->vm_pgoff;
-	switch (info->mem[idx].memtype) {
-	case UIO_MEM_PHYS:
-		return igbuio_dom0_mmap_phys(info, vma);
-	case UIO_MEM_LOGICAL:
-	case UIO_MEM_VIRTUAL:
-	default:
-		return -EINVAL;
-	}
-}
-#endif
-
 /* Remap pci resources described by bar #pci_bar in uio resource n. */
 static int
 igbuio_pci_setup_iomem(struct pci_dev *dev, struct uio_info *info,
@@ -356,9 +472,6 @@ static int
 igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
 {
 	struct rte_uio_pci_dev *udev;
-#ifdef HAVE_PCI_ENABLE_MSIX
-	struct msix_entry msix_entry;
-#endif
 	dma_addr_t map_dma_addr;
 	void *map_addr;
 	int err;
@@ -401,61 +514,12 @@ igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	/* fill uio infos */
 	udev->info.name = "igb_uio";
 	udev->info.version = "0.1";
-	udev->info.handler = igbuio_pci_irqhandler;
 	udev->info.irqcontrol = igbuio_pci_irqcontrol;
 	udev->info.open = igbuio_pci_open;
 	udev->info.release = igbuio_pci_release;
-#ifdef CONFIG_XEN_DOM0
-	/* check if the driver run on Xen Dom0 */
-	if (xen_initial_domain())
-		udev->info.mmap = igbuio_dom0_pci_mmap;
-#endif
 	udev->info.priv = udev;
 	udev->pdev = dev;
 
-	switch (igbuio_intr_mode_preferred) {
-	case RTE_INTR_MODE_MSIX:
-		/* Only 1 msi-x vector needed */
-#ifdef HAVE_PCI_ENABLE_MSIX
-		msix_entry.entry = 0;
-		if (pci_enable_msix(dev, &msix_entry, 1) == 0) {
-			dev_dbg(&dev->dev, "using MSI-X");
-			udev->info.irq_flags = IRQF_NO_THREAD;
-			udev->info.irq = msix_entry.vector;
-			udev->mode = RTE_INTR_MODE_MSIX;
-			break;
-		}
-#else
-		if (pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_MSIX) == 1) {
-			dev_dbg(&dev->dev, "using MSI-X");
-			udev->info.irq = pci_irq_vector(dev, 0);
-			udev->mode = RTE_INTR_MODE_MSIX;
-			break;
-		}
-#endif
-		/* fall back to INTX */
-	case RTE_INTR_MODE_LEGACY:
-		if (pci_intx_mask_supported(dev)) {
-			dev_dbg(&dev->dev, "using INTX");
-			udev->info.irq_flags = IRQF_SHARED | IRQF_NO_THREAD;
-			udev->info.irq = dev->irq;
-			udev->mode = RTE_INTR_MODE_LEGACY;
-			break;
-		}
-		dev_notice(&dev->dev, "PCI INTX mask not supported\n");
-		/* fall back to no IRQ */
-	case RTE_INTR_MODE_NONE:
-		udev->mode = RTE_INTR_MODE_NONE;
-		udev->info.irq = 0;
-		break;
-
-	default:
-		dev_err(&dev->dev, "invalid IRQ mode %u",
-			igbuio_intr_mode_preferred);
-		err = -EINVAL;
-		goto fail_release_iomem;
-	}
-
 	err = sysfs_create_group(&dev->dev.kobj, &dev_attr_grp);
 	if (err != 0)
 		goto fail_release_iomem;
@@ -467,9 +531,6 @@ igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
 
 	pci_set_drvdata(dev, udev);
 
-	dev_info(&dev->dev, "uio device registered with irq %lx\n",
-		 udev->info.irq);
-
 	/*
 	 * Doing a harmless dma mapping for attaching the device to
 	 * the iommu identity mapping if kernel boots with iommu=pt.
@@ -497,8 +558,6 @@ fail_remove_group:
 	sysfs_remove_group(&dev->dev.kobj, &dev_attr_grp);
 fail_release_iomem:
 	igbuio_pci_release_iomem(&udev->info);
-	if (udev->mode == RTE_INTR_MODE_MSIX)
-		pci_disable_msix(udev->pdev);
 	pci_disable_device(dev);
 fail_free:
 	kfree(udev);
@@ -514,8 +573,6 @@ igbuio_pci_remove(struct pci_dev *dev)
 	sysfs_remove_group(&dev->dev.kobj, &dev_attr_grp);
 	uio_unregister_device(&udev->info);
 	igbuio_pci_release_iomem(&udev->info);
-	if (udev->mode == RTE_INTR_MODE_MSIX)
-		pci_disable_msix(dev);
 	pci_disable_device(dev);
 	pci_set_drvdata(dev, NULL);
 	kfree(udev);
@@ -532,6 +589,9 @@ igbuio_config_intr_mode(char *intr_str)
 	if (!strcmp(intr_str, RTE_INTR_MODE_MSIX_NAME)) {
 		igbuio_intr_mode_preferred = RTE_INTR_MODE_MSIX;
 		pr_info("Use MSIX interrupt\n");
+	} else if (!strcmp(intr_str, RTE_INTR_MODE_MSI_NAME)) {
+		igbuio_intr_mode_preferred = RTE_INTR_MODE_MSI;
+		pr_info("Use MSI interrupt\n");
 	} else if (!strcmp(intr_str, RTE_INTR_MODE_LEGACY_NAME)) {
 		igbuio_intr_mode_preferred = RTE_INTR_MODE_LEGACY;
 		pr_info("Use legacy interrupt\n");
@@ -575,6 +635,7 @@ module_param(intr_mode, charp, S_IRUGO);
 MODULE_PARM_DESC(intr_mode,
 "igb_uio interrupt mode (default=msix):\n"
 "    " RTE_INTR_MODE_MSIX_NAME "       Use MSIX interrupt\n"
+"    " RTE_INTR_MODE_MSI_NAME "        Use MSI interrupt\n"
 "    " RTE_INTR_MODE_LEGACY_NAME "     Use Legacy interrupt\n"
 "\n");
 
diff --git a/lib/librte_eal/linuxapp/kni/compat.h b/lib/librte_eal/linuxapp/kni/compat.h
index 6a1587b4..3f8c0bc8 100644
--- a/lib/librte_eal/linuxapp/kni/compat.h
+++ b/lib/librte_eal/linuxapp/kni/compat.h
@@ -8,6 +8,34 @@
 #define RHEL_RELEASE_VERSION(a, b) (((a) << 8) + (b))
 #endif
 
+/* SuSE version macro is the same as Linux kernel version */
+#ifndef SLE_VERSION
+#define SLE_VERSION(a, b, c) KERNEL_VERSION(a, b, c)
+#endif
+#ifdef CONFIG_SUSE_KERNEL
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 57))
+/* SLES12SP3 is at least 4.4.57+ based */
+#define SLE_VERSION_CODE SLE_VERSION(12, 3, 0)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 28))
+/* SLES12 is at least 3.12.28+ based */
+#define SLE_VERSION_CODE SLE_VERSION(12, 0, 0)
+#elif ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 61)) && \
+	(LINUX_VERSION_CODE < KERNEL_VERSION(3, 1, 0)))
+/* SLES11 SP3 is at least 3.0.61+ based */
+#define SLE_VERSION_CODE SLE_VERSION(11, 3, 0)
+#elif (LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 32))
+/* SLES11 SP1 is 2.6.32 based */
+#define SLE_VERSION_CODE SLE_VERSION(11, 1, 0)
+#elif (LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 27))
+/* SLES11 GA is 2.6.27 based */
+#define SLE_VERSION_CODE SLE_VERSION(11, 0, 0)
+#endif /* LINUX_VERSION_CODE == KERNEL_VERSION(x,y,z) */
+#endif /* CONFIG_SUSE_KERNEL */
+#ifndef SLE_VERSION_CODE
+#define SLE_VERSION_CODE 0
+#endif /* SLE_VERSION_CODE */
+
+
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && \
 	(!(defined(RHEL_RELEASE_CODE) && \
 	   RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 4)))
@@ -55,7 +83,8 @@
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0) || \
 	(defined(RHEL_RELEASE_CODE) && \
-	 RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(7, 4))
+	 RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(7, 4)) || \
+	(SLE_VERSION_CODE && SLE_VERSION_CODE == SLE_VERSION(12, 3, 0))
 #define HAVE_TRANS_START_HELPER
 #endif
 
diff --git a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
index e0a03542..e38a7561 100644
--- a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
+++ b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
@@ -697,22 +697,22 @@ struct _kc_ethtool_pauseparam {
 #define SLE_VERSION(a,b,c) KERNEL_VERSION(a,b,c)
 #endif
 #ifdef CONFIG_SUSE_KERNEL
-#if ( LINUX_VERSION_CODE == KERNEL_VERSION(2,6,27) )
-/* SLES11 GA is 2.6.27 based */
-#define SLE_VERSION_CODE SLE_VERSION(11,0,0)
-#elif ( LINUX_VERSION_CODE == KERNEL_VERSION(2,6,32) )
-/* SLES11 SP1 is 2.6.32 based */
-#define SLE_VERSION_CODE SLE_VERSION(11,1,0)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 57))
+/* SLES12SP3 is at least 4.4.57+ based */
+#define SLE_VERSION_CODE SLE_VERSION(12, 3, 0)
+#elif ( LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,28) )
+/* SLES12 is at least 3.12.28+ based */
+#define SLE_VERSION_CODE SLE_VERSION(12,0,0)
 #elif ((LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,61)) && \
        (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)))
 /* SLES11 SP3 is at least 3.0.61+ based */
 #define SLE_VERSION_CODE SLE_VERSION(11,3,0)
-#elif ( LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,28) )
-/* SLES12 is at least 3.12.28+ based */
-#define SLE_VERSION_CODE SLE_VERSION(12,0,0)
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 57))
-/* SLES12SP3 is at least 4.4.57+ based */
-#define SLE_VERSION_CODE SLE_VERSION(12, 3, 0)
+#elif ( LINUX_VERSION_CODE == KERNEL_VERSION(2,6,32) )
+/* SLES11 SP1 is 2.6.32 based */
+#define SLE_VERSION_CODE SLE_VERSION(11,1,0)
+#elif ( LINUX_VERSION_CODE == KERNEL_VERSION(2,6,27) )
+/* SLES11 GA is 2.6.27 based */
+#define SLE_VERSION_CODE SLE_VERSION(11,0,0)
 #endif /* LINUX_VERSION_CODE == KERNEL_VERSION(x,y,z) */
 #endif /* CONFIG_SUSE_KERNEL */
 #ifndef SLE_VERSION_CODE
diff --git a/lib/librte_eal/linuxapp/xen_dom0/Makefile b/lib/librte_eal/linuxapp/xen_dom0/Makefile
deleted file mode 100644
index be51a82a..00000000
--- a/lib/librte_eal/linuxapp/xen_dom0/Makefile
+++ /dev/null
@@ -1,53 +0,0 @@
-#   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.
-
-include $(RTE_SDK)/mk/rte.vars.mk
-
-#
-# module name and path
-#
-MODULE = rte_dom0_mm
-
-#
-# CFLAGS
-#
-MODULE_CFLAGS += -I$(SRCDIR) --param max-inline-insns-single=50
-MODULE_CFLAGS += -I$(RTE_OUTPUT)/include
-MODULE_CFLAGS += -include $(RTE_OUTPUT)/include/rte_config.h
-MODULE_CFLAGS += -Wall -Werror
-
-#
-# all source are stored in SRCS-y
-#
-
-SRCS-y += dom0_mm_misc.c
-
-include $(RTE_SDK)/mk/rte.module.mk
diff --git a/lib/librte_eal/linuxapp/xen_dom0/compat.h b/lib/librte_eal/linuxapp/xen_dom0/compat.h
deleted file mode 100644
index e6eb97f2..00000000
--- a/lib/librte_eal/linuxapp/xen_dom0/compat.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- * Minimal wrappers to allow compiling xen_dom0 on older kernels.
- */
-
-#ifndef RHEL_RELEASE_VERSION
-#define RHEL_RELEASE_VERSION(a, b) (((a) << 8) + (b))
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && \
-	(!(defined(RHEL_RELEASE_CODE) && \
-	 RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 4)))
-
-#define kstrtoul strict_strtoul
-
-#endif /* < 2.6.39 */
diff --git a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h b/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h
deleted file mode 100644
index 9d5ffb22..00000000
--- a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/*-
- * This file is provided under a dual BSD/GPLv2 license.  When using or
- *   redistributing this file, you may do so under either license.
- *
- *   GPL LICENSE SUMMARY
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *
- *   This program is free software; you can redistribute it and/or modify
- *   it under the terms of version 2 of the GNU General Public License as
- *   published by the Free Software Foundation.
- *
- *   This program is distributed in the hope that it will be useful, but
- *   WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *   General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program; if not, write to the Free Software
- *   Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *   The full GNU General Public License is included in this distribution
- *   in the file called LICENSE.GPL.
- *
- *   Contact Information:
- *   Intel Corporation
- *
- *   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 _DOM0_MM_DEV_H_
-#define _DOM0_MM_DEV_H_
-
-#include <linux/wait.h>
-#include <linux/mutex.h>
-#include <linux/sched.h>
-#include <linux/spinlock.h>
-#include <exec-env/rte_dom0_common.h>
-
-#define NUM_MEM_CTX     256  /**< Maximum number of memory context*/
-#define MAX_EXCHANGE_FAIL_TIME 5  /**< Maximum times of allowing exchange fail .*/
-#define MAX_MEMBLOCK_SIZE (2 * DOM0_MEMBLOCK_SIZE)
-#define MAX_NUM_ORDER     (DOM0_CONTIG_NUM_ORDER + 1)
-#define SIZE_PER_BLOCK    2       /**< Size of memory block (2MB).*/
-
-/**
- * A structure describing the private information for a dom0 device.
- */
-struct dom0_mm_dev {
-	struct miscdevice miscdev;
-	uint8_t fail_times;
-	uint32_t used_memsize;
-	uint32_t num_mem_ctx;
-	uint32_t config_memsize;
-	uint32_t num_bigblock;
-	struct  dom0_mm_data *mm_data[NUM_MEM_CTX];
-	struct mutex data_lock;
-};
-
-struct dom0_mm_data{
-	uint32_t refcnt;
-	uint32_t num_memseg; /**< Number of memory segment. */
-	uint32_t mem_size;   /**< Size of requesting memory. */
-
-	char name[DOM0_NAME_MAX];
-
-	/** Store global memory block IDs used by an instance */
-	uint32_t block_num[DOM0_NUM_MEMBLOCK];
-
-	/** Store memory block information.*/
-	struct memblock_info block_info[DOM0_NUM_MEMBLOCK];
-
-	/** Store memory segment information.*/
-	struct memseg_info  seg_info[DOM0_NUM_MEMSEG];
-};
-
-#define XEN_ERR(args...) printk(KERN_DEBUG "XEN_DOM0: Error: " args)
-#define XEN_PRINT(args...) printk(KERN_DEBUG "XEN_DOM0: " args)
-#endif
diff --git a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c b/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c
deleted file mode 100644
index 79630bad..00000000
--- a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c
+++ /dev/null
@@ -1,780 +0,0 @@
-/*-
- * This file is provided under a dual BSD/GPLv2 license.  When using or
- *   redistributing this file, you may do so under either license.
- *
- *   GPL LICENSE SUMMARY
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *
- *   This program is free software; you can redistribute it and/or modify
- *   it under the terms of version 2 of the GNU General Public License as
- *   published by the Free Software Foundation.
- *
- *   This program is distributed in the hope that it will be useful, but
- *   WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *   General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program; if not, write to the Free Software
- *   Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *   The full GNU General Public License is included in this distribution
- *   in the file called LICENSE.GPL.
- *
- *   Contact Information:
- *   Intel Corporation
- *
- *   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.
- *
- */
-
-#include <linux/module.h>
-#include <linux/miscdevice.h>
-#include <linux/fs.h>
-#include <linux/device.h>
-#include <linux/errno.h>
-#include <linux/vmalloc.h>
-#include <linux/mm.h>
-#include <linux/version.h>
-
-#include <xen/xen.h>
-#include <xen/page.h>
-#include <xen/xen-ops.h>
-#include <xen/interface/memory.h>
-
-#include <exec-env/rte_dom0_common.h>
-
-#include "compat.h"
-#include "dom0_mm_dev.h"
-
-MODULE_LICENSE("Dual BSD/GPL");
-MODULE_AUTHOR("Intel Corporation");
-MODULE_DESCRIPTION("Kernel Module for supporting DPDK running on Xen Dom0");
-
-static struct dom0_mm_dev dom0_dev;
-static struct kobject *dom0_kobj = NULL;
-
-static struct memblock_info *rsv_mm_info;
-
-/* Default configuration for reserved memory size(2048 MB). */
-static uint32_t rsv_memsize = 2048;
-
-static int dom0_open(struct inode *inode, struct file *file);
-static int dom0_release(struct inode *inode, struct file *file);
-static int dom0_ioctl(struct file *file, unsigned int ioctl_num,
-		unsigned long ioctl_param);
-static int dom0_mmap(struct file *file, struct vm_area_struct *vma);
-static int dom0_memory_free(uint32_t size);
-static int dom0_memory_release(struct dom0_mm_data *mm_data);
-
-static const struct file_operations data_fops = {
-	.owner = THIS_MODULE,
-	.open = dom0_open,
-	.release = dom0_release,
-	.mmap = dom0_mmap,
-	.unlocked_ioctl = (void *)dom0_ioctl,
-};
-
-static ssize_t
-show_memsize_rsvd(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	return snprintf(buf, 10, "%u\n", dom0_dev.used_memsize);
-}
-
-static ssize_t
-show_memsize(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	return snprintf(buf, 10, "%u\n", dom0_dev.config_memsize);
-}
-
-static ssize_t
-store_memsize(struct device *dev, struct device_attribute *attr,
-            const char *buf, size_t count)
-{
-	int err = 0;
-	unsigned long mem_size;
-
-	if (0 != kstrtoul(buf, 0, &mem_size))
-		return  -EINVAL;
-
-	mutex_lock(&dom0_dev.data_lock);
-	if (0 == mem_size) {
-		err = -EINVAL;
-		goto fail;
-	} else if (mem_size > (rsv_memsize - dom0_dev.used_memsize)) {
-		XEN_ERR("configure memory size fail\n");
-		err = -EINVAL;
-		goto fail;
-	} else
-		dom0_dev.config_memsize = mem_size;
-
-fail:
-	mutex_unlock(&dom0_dev.data_lock);
-	return err ? err : count;
-}
-
-static DEVICE_ATTR(memsize, S_IRUGO | S_IWUSR, show_memsize, store_memsize);
-static DEVICE_ATTR(memsize_rsvd, S_IRUGO, show_memsize_rsvd, NULL);
-
-static struct attribute *dev_attrs[] = {
-	&dev_attr_memsize.attr,
-	&dev_attr_memsize_rsvd.attr,
-	NULL,
-};
-
-/* the memory size unit is MB */
-static const struct attribute_group dev_attr_grp = {
-	.name = "memsize-mB",
-	.attrs = dev_attrs,
-};
-
-
-static void
-sort_viraddr(struct memblock_info *mb, int cnt)
-{
-	int i,j;
-	uint64_t tmp_pfn;
-	uint64_t tmp_viraddr;
-
-	/*sort virtual address and pfn */
-	for(i = 0; i < cnt; i ++) {
-		for(j = cnt - 1; j > i; j--) {
-			if(mb[j].pfn < mb[j - 1].pfn) {
-				tmp_pfn = mb[j - 1].pfn;
-				mb[j - 1].pfn = mb[j].pfn;
-				mb[j].pfn = tmp_pfn;
-
-				tmp_viraddr = mb[j - 1].vir_addr;
-				mb[j - 1].vir_addr = mb[j].vir_addr;
-				mb[j].vir_addr = tmp_viraddr;
-			}
-		}
-	}
-}
-
-static int
-dom0_find_memdata(const char * mem_name)
-{
-	unsigned i;
-	int idx = -1;
-	for(i = 0; i< NUM_MEM_CTX; i++) {
-		if(dom0_dev.mm_data[i] == NULL)
-			continue;
-		if (!strncmp(dom0_dev.mm_data[i]->name, mem_name,
-			sizeof(char) * DOM0_NAME_MAX)) {
-			idx = i;
-			break;
-		}
-	}
-
-	return idx;
-}
-
-static int
-dom0_find_mempos(void)
-{
-	unsigned i;
-	int idx = -1;
-
-	for(i = 0; i< NUM_MEM_CTX; i++) {
-		if(dom0_dev.mm_data[i] == NULL){
-			idx = i;
-			break;
-		}
-	}
-
-	return idx;
-}
-
-static int
-dom0_memory_release(struct dom0_mm_data *mm_data)
-{
-	int idx;
-	uint32_t  num_block, block_id;
-
-	/* each memory block is 2M */
-	num_block = mm_data->mem_size / SIZE_PER_BLOCK;
-	if (num_block == 0)
-		return -EINVAL;
-
-	/* reset global memory data */
-	idx = dom0_find_memdata(mm_data->name);
-	if (idx >= 0) {
-		dom0_dev.used_memsize -= mm_data->mem_size;
-		dom0_dev.mm_data[idx] = NULL;
-		dom0_dev.num_mem_ctx--;
-	}
-
-	/* reset these memory blocks status as free */
-	for (idx = 0; idx < num_block; idx++) {
-		block_id = mm_data->block_num[idx];
-		rsv_mm_info[block_id].used = 0;
-	}
-
-	memset(mm_data, 0, sizeof(struct dom0_mm_data));
-	vfree(mm_data);
-	return 0;
-}
-
-static int
-dom0_memory_free(uint32_t rsv_size)
-{
-	uint64_t vstart, vaddr;
-	uint32_t i, num_block, size;
-
-	if (!xen_pv_domain())
-		return -1;
-
-	/* each memory block is 2M */
-	num_block = rsv_size / SIZE_PER_BLOCK;
-	if (num_block == 0)
-		return -EINVAL;
-
-	/* free all memory blocks of size of 4M and destroy contiguous region */
-	for (i = 0; i < dom0_dev.num_bigblock * 2; i += 2) {
-		vstart = rsv_mm_info[i].vir_addr;
-		if (vstart) {
-		#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
-			if (rsv_mm_info[i].exchange_flag)
-				xen_destroy_contiguous_region(vstart,
-						DOM0_CONTIG_NUM_ORDER);
-			if (rsv_mm_info[i + 1].exchange_flag)
-				xen_destroy_contiguous_region(vstart +
-						DOM0_MEMBLOCK_SIZE,
-						DOM0_CONTIG_NUM_ORDER);
-		#else
-			if (rsv_mm_info[i].exchange_flag)
-				xen_destroy_contiguous_region(rsv_mm_info[i].pfn
-					* PAGE_SIZE,
-					DOM0_CONTIG_NUM_ORDER);
-			if (rsv_mm_info[i + 1].exchange_flag)
-				xen_destroy_contiguous_region(rsv_mm_info[i].pfn
-					* PAGE_SIZE + DOM0_MEMBLOCK_SIZE,
-					DOM0_CONTIG_NUM_ORDER);
-		#endif
-
-			size = DOM0_MEMBLOCK_SIZE * 2;
-			vaddr = vstart;
-			while (size > 0) {
-				ClearPageReserved(virt_to_page(vaddr));
-				vaddr += PAGE_SIZE;
-				size -= PAGE_SIZE;
-			}
-			free_pages(vstart, MAX_NUM_ORDER);
-		}
-	}
-
-	/* free all memory blocks size of 2M and destroy contiguous region */
-	for (; i < num_block; i++) {
-		vstart = rsv_mm_info[i].vir_addr;
-		if (vstart) {
-			if (rsv_mm_info[i].exchange_flag)
-				xen_destroy_contiguous_region(vstart,
-					DOM0_CONTIG_NUM_ORDER);
-
-			size = DOM0_MEMBLOCK_SIZE;
-			vaddr = vstart;
-			while (size > 0) {
-				ClearPageReserved(virt_to_page(vaddr));
-				vaddr += PAGE_SIZE;
-				size -= PAGE_SIZE;
-			}
-			free_pages(vstart, DOM0_CONTIG_NUM_ORDER);
-		}
-	}
-
-	memset(rsv_mm_info, 0, sizeof(struct memblock_info) * num_block);
-	vfree(rsv_mm_info);
-	rsv_mm_info = NULL;
-
-	return 0;
-}
-
-static void
-find_free_memory(uint32_t count, struct dom0_mm_data *mm_data)
-{
-	uint32_t i = 0;
-	uint32_t j = 0;
-
-	while ((i < count) && (j < rsv_memsize / SIZE_PER_BLOCK)) {
-		if (rsv_mm_info[j].used == 0) {
-			mm_data->block_info[i].pfn = rsv_mm_info[j].pfn;
-			mm_data->block_info[i].vir_addr =
-				rsv_mm_info[j].vir_addr;
-			mm_data->block_info[i].mfn = rsv_mm_info[j].mfn;
-			mm_data->block_info[i].exchange_flag =
-				rsv_mm_info[j].exchange_flag;
-			mm_data->block_num[i] = j;
-			rsv_mm_info[j].used = 1;
-			i++;
-		}
-		j++;
-	}
-}
-
-/**
- * Find all memory segments in which physical addresses are contiguous.
- */
-static void
-find_memseg(int count, struct dom0_mm_data * mm_data)
-{
-	int i = 0;
-	int j, k, idx = 0;
-	uint64_t zone_len, pfn, num_block;
-
-	while(i < count) {
-		if (mm_data->block_info[i].exchange_flag == 0) {
-			i++;
-			continue;
-		}
-		k = 0;
-		pfn = mm_data->block_info[i].pfn;
-		mm_data->seg_info[idx].pfn = pfn;
-		mm_data->seg_info[idx].mfn[k] = mm_data->block_info[i].mfn;
-
-		for (j = i + 1; j < count; j++) {
-
-			/* ignore exchange fail memory block */
-			if (mm_data->block_info[j].exchange_flag == 0)
-				break;
-
-			if (mm_data->block_info[j].pfn !=
-				(mm_data->block_info[j - 1].pfn +
-					 DOM0_MEMBLOCK_SIZE / PAGE_SIZE))
-			    break;
-			++k;
-			mm_data->seg_info[idx].mfn[k] = mm_data->block_info[j].mfn;
-		}
-
-		num_block = j - i;
-		zone_len = num_block * DOM0_MEMBLOCK_SIZE;
-		mm_data->seg_info[idx].size = zone_len;
-
-		XEN_PRINT("memseg id=%d, size=0x%llx\n", idx, zone_len);
-		i = i+ num_block;
-		idx++;
-		if (idx == DOM0_NUM_MEMSEG)
-			break;
-	}
-	mm_data->num_memseg = idx;
-}
-
-static int
-dom0_memory_reserve(uint32_t rsv_size)
-{
-	uint64_t pfn, vstart, vaddr;
-	uint32_t i, num_block, size, allocated_size = 0;
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)
-	dma_addr_t dma_handle;
-#endif
-
-	/* 2M as memory block */
-	num_block = rsv_size / SIZE_PER_BLOCK;
-
-	rsv_mm_info = vmalloc(sizeof(struct memblock_info) * num_block);
-	if (!rsv_mm_info) {
-		XEN_ERR("Unable to allocate device memory information\n");
-		return -ENOMEM;
-	}
-	memset(rsv_mm_info, 0, sizeof(struct memblock_info) * num_block);
-
-	/* try alloc size of 4M once */
-	for (i = 0; i < num_block; i += 2) {
-		vstart = (unsigned long)
-			__get_free_pages(GFP_ATOMIC, MAX_NUM_ORDER);
-		if (vstart == 0)
-			break;
-
-		dom0_dev.num_bigblock = i / 2 + 1;
-		allocated_size =  SIZE_PER_BLOCK * (i + 2);
-
-		/* size of 4M */
-		size = DOM0_MEMBLOCK_SIZE * 2;
-
-		vaddr = vstart;
-		while (size > 0) {
-			SetPageReserved(virt_to_page(vaddr));
-			vaddr += PAGE_SIZE;
-			size -= PAGE_SIZE;
-		}
-
-		pfn = virt_to_pfn(vstart);
-		rsv_mm_info[i].pfn = pfn;
-		rsv_mm_info[i].vir_addr = vstart;
-		rsv_mm_info[i + 1].pfn =
-				pfn + DOM0_MEMBLOCK_SIZE / PAGE_SIZE;
-		rsv_mm_info[i + 1].vir_addr =
-				vstart + DOM0_MEMBLOCK_SIZE;
-	}
-
-	/*if it failed to alloc 4M, and continue to alloc 2M once */
-	for (; i < num_block; i++) {
-		vstart = (unsigned long)
-			__get_free_pages(GFP_ATOMIC, DOM0_CONTIG_NUM_ORDER);
-		if (vstart == 0) {
-			XEN_ERR("allocate memory fail.\n");
-			dom0_memory_free(allocated_size);
-			return -ENOMEM;
-		}
-
-		allocated_size += SIZE_PER_BLOCK;
-
-		size = DOM0_MEMBLOCK_SIZE;
-		vaddr = vstart;
-		while (size > 0) {
-			SetPageReserved(virt_to_page(vaddr));
-			vaddr += PAGE_SIZE;
-			size -= PAGE_SIZE;
-		}
-		pfn = virt_to_pfn(vstart);
-		rsv_mm_info[i].pfn = pfn;
-		rsv_mm_info[i].vir_addr = vstart;
-	}
-
-	sort_viraddr(rsv_mm_info, num_block);
-
-	for (i = 0; i< num_block; i++) {
-
-		/*
-		 * This API is used to exchage MFN for getting a block of
-		 * contiguous physical addresses, its maximum size is 2M.
-		 */
-	#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
-		if (xen_create_contiguous_region(rsv_mm_info[i].vir_addr,
-				DOM0_CONTIG_NUM_ORDER, 0) == 0) {
-	#else
-		if (xen_create_contiguous_region(rsv_mm_info[i].pfn * PAGE_SIZE,
-				DOM0_CONTIG_NUM_ORDER, 0, &dma_handle) == 0) {
-	#endif
-			rsv_mm_info[i].exchange_flag = 1;
-			rsv_mm_info[i].mfn =
-				pfn_to_mfn(rsv_mm_info[i].pfn);
-			rsv_mm_info[i].used = 0;
-		} else {
-			XEN_ERR("exchange memeory fail\n");
-			rsv_mm_info[i].exchange_flag = 0;
-			dom0_dev.fail_times++;
-			if (dom0_dev.fail_times > MAX_EXCHANGE_FAIL_TIME) {
-				dom0_memory_free(rsv_size);
-				return  -EFAULT;
-			}
-		}
-	}
-
-	return 0;
-}
-
-static int
-dom0_prepare_memsegs(struct memory_info *meminfo, struct dom0_mm_data *mm_data)
-{
-	uint32_t num_block;
-	int idx;
-
-	/* check if there is a free name buffer */
-	memcpy(mm_data->name, meminfo->name, DOM0_NAME_MAX);
-	mm_data->name[DOM0_NAME_MAX - 1] = '\0';
-	idx = dom0_find_mempos();
-	if (idx < 0)
-		return -1;
-
-	num_block = meminfo->size / SIZE_PER_BLOCK;
-	/* find free memory and new memory segments*/
-	find_free_memory(num_block, mm_data);
-	find_memseg(num_block, mm_data);
-
-	/* update private memory data */
-	mm_data->refcnt++;
-	mm_data->mem_size = meminfo->size;
-
-	/* update global memory data */
-	dom0_dev.mm_data[idx] = mm_data;
-	dom0_dev.num_mem_ctx++;
-	dom0_dev.used_memsize += mm_data->mem_size;
-
-	return 0;
-}
-
-static int
-dom0_check_memory (struct memory_info *meminfo)
-{
-	int idx;
-	uint64_t mem_size;
-
-	/* round memory size to the next even number. */
-	if (meminfo->size % 2)
-		++meminfo->size;
-
-	mem_size = meminfo->size;
-	if (dom0_dev.num_mem_ctx > NUM_MEM_CTX) {
-		XEN_ERR("Memory data space is full in Dom0 driver\n");
-		return -1;
-	}
-	idx = dom0_find_memdata(meminfo->name);
-	if (idx >= 0) {
-		XEN_ERR("Memory data name %s has already exsited in Dom0 driver.\n",
-			meminfo->name);
-		return -1;
-	}
-	if ((dom0_dev.used_memsize + mem_size) > rsv_memsize) {
-		XEN_ERR("Total size can't be larger than reserved size.\n");
-		return -1;
-	}
-
-	return 0;
-}
-
-static int __init
-dom0_init(void)
-{
-	if (!xen_domain())
-		return -ENODEV;
-
-	if (rsv_memsize > DOM0_CONFIG_MEMSIZE) {
-		XEN_ERR("The reserved memory size cannot be greater than %d\n",
-			DOM0_CONFIG_MEMSIZE);
-		return -EINVAL;
-	}
-
-	/* Setup the misc device */
-	dom0_dev.miscdev.minor = MISC_DYNAMIC_MINOR;
-	dom0_dev.miscdev.name = "dom0_mm";
-	dom0_dev.miscdev.fops = &data_fops;
-
-	/* register misc char device */
-	if (misc_register(&dom0_dev.miscdev) != 0) {
-		XEN_ERR("Misc device registration failed\n");
-		return -EPERM;
-	}
-
-	mutex_init(&dom0_dev.data_lock);
-	dom0_kobj = kobject_create_and_add("dom0-mm", mm_kobj);
-
-	if (!dom0_kobj) {
-		XEN_ERR("dom0-mm object creation failed\n");
-		misc_deregister(&dom0_dev.miscdev);
-		return -ENOMEM;
-	}
-
-	if (sysfs_create_group(dom0_kobj, &dev_attr_grp)) {
-		kobject_put(dom0_kobj);
-		misc_deregister(&dom0_dev.miscdev);
-		return -EPERM;
-	}
-
-	if (dom0_memory_reserve(rsv_memsize) < 0) {
-		sysfs_remove_group(dom0_kobj, &dev_attr_grp);
-		kobject_put(dom0_kobj);
-		misc_deregister(&dom0_dev.miscdev);
-		return -ENOMEM;
-	}
-
-	XEN_PRINT("####### DPDK Xen Dom0 module loaded  #######\n");
-
-	return 0;
-}
-
-static void __exit
-dom0_exit(void)
-{
-	if (rsv_mm_info != NULL)
-		dom0_memory_free(rsv_memsize);
-
-	sysfs_remove_group(dom0_kobj, &dev_attr_grp);
-	kobject_put(dom0_kobj);
-	misc_deregister(&dom0_dev.miscdev);
-
-	XEN_PRINT("####### DPDK Xen Dom0 module unloaded  #######\n");
-}
-
-static int
-dom0_open(struct inode *inode, struct file *file)
-{
-	file->private_data = NULL;
-
-	XEN_PRINT(KERN_INFO "/dev/dom0_mm opened\n");
-	return 0;
-}
-
-static int
-dom0_release(struct inode *inode, struct file *file)
-{
-	int ret = 0;
-	struct dom0_mm_data *mm_data = file->private_data;
-
-	if (mm_data == NULL)
-		return ret;
-
-	mutex_lock(&dom0_dev.data_lock);
-	if (--mm_data->refcnt == 0)
-		ret = dom0_memory_release(mm_data);
-	mutex_unlock(&dom0_dev.data_lock);
-
-	file->private_data = NULL;
-	XEN_PRINT(KERN_INFO "/dev/dom0_mm closed\n");
-	return ret;
-}
-
-static int
-dom0_mmap(struct file *file, struct vm_area_struct *vm)
-{
-	int status = 0;
-	uint32_t idx = vm->vm_pgoff;
-	uint64_t pfn, size = vm->vm_end - vm->vm_start;
-	struct dom0_mm_data *mm_data = file->private_data;
-
-	if(mm_data == NULL)
-		return -EINVAL;
-
-	mutex_lock(&dom0_dev.data_lock);
-	if (idx >= mm_data->num_memseg) {
-		mutex_unlock(&dom0_dev.data_lock);
-		return -EINVAL;
-	}
-
-	if (size > mm_data->seg_info[idx].size){
-		mutex_unlock(&dom0_dev.data_lock);
-		return -EINVAL;
-	}
-
-	XEN_PRINT("mmap memseg idx =%d,size = 0x%llx\n", idx, size);
-
-	pfn = mm_data->seg_info[idx].pfn;
-	mutex_unlock(&dom0_dev.data_lock);
-
-	status = remap_pfn_range(vm, vm->vm_start, pfn, size, PAGE_SHARED);
-
-	return status;
-}
-static int
-dom0_ioctl(struct file *file,
-	unsigned int ioctl_num,
-	unsigned long ioctl_param)
-{
-	int idx, ret;
-	char name[DOM0_NAME_MAX] = {0};
-	struct memory_info meminfo;
-	struct dom0_mm_data *mm_data = file->private_data;
-
-	XEN_PRINT("IOCTL num=0x%0x param=0x%0lx \n", ioctl_num, ioctl_param);
-
-	/**
-	 * Switch according to the ioctl called
-	 */
-	switch _IOC_NR(ioctl_num) {
-	case _IOC_NR(RTE_DOM0_IOCTL_PREPARE_MEMSEG):
-		ret = copy_from_user(&meminfo, (void *)ioctl_param,
-			sizeof(struct memory_info));
-		if (ret)
-			return  -EFAULT;
-
-		if (mm_data != NULL) {
-			XEN_ERR("Cannot create memory segment for the same"
-				" file descriptor\n");
-			return -EINVAL;
-		}
-
-		/* Allocate private data */
-		mm_data = vmalloc(sizeof(struct dom0_mm_data));
-		if (!mm_data) {
-			XEN_ERR("Unable to allocate device private data\n");
-			return -ENOMEM;
-		}
-		memset(mm_data, 0, sizeof(struct dom0_mm_data));
-
-		mutex_lock(&dom0_dev.data_lock);
-		/* check if we can allocate memory*/
-		if (dom0_check_memory(&meminfo) < 0) {
-			mutex_unlock(&dom0_dev.data_lock);
-			vfree(mm_data);
-			return -EINVAL;
-		}
-
-		/* allocate memory and created memory segments*/
-		if (dom0_prepare_memsegs(&meminfo, mm_data) < 0) {
-			XEN_ERR("create memory segment fail.\n");
-			mutex_unlock(&dom0_dev.data_lock);
-			return -EIO;
-		}
-
-		file->private_data = mm_data;
-		mutex_unlock(&dom0_dev.data_lock);
-		break;
-
-	/* support multiple process in term of memory mapping*/
-	case _IOC_NR(RTE_DOM0_IOCTL_ATTACH_TO_MEMSEG):
-		ret = copy_from_user(name, (void *)ioctl_param,
-				sizeof(char) * DOM0_NAME_MAX);
-		if (ret)
-			return -EFAULT;
-
-		mutex_lock(&dom0_dev.data_lock);
-		idx = dom0_find_memdata(name);
-		if (idx < 0) {
-			mutex_unlock(&dom0_dev.data_lock);
-			return -EINVAL;
-		}
-
-		mm_data = dom0_dev.mm_data[idx];
-		mm_data->refcnt++;
-		file->private_data = mm_data;
-		mutex_unlock(&dom0_dev.data_lock);
-		break;
-
-	case _IOC_NR(RTE_DOM0_IOCTL_GET_NUM_MEMSEG):
-		ret = copy_to_user((void *)ioctl_param, &mm_data->num_memseg,
-				sizeof(int));
-		if (ret)
-			return -EFAULT;
-		break;
-
-	case _IOC_NR(RTE_DOM0_IOCTL_GET_MEMSEG_INFO):
-		ret = copy_to_user((void *)ioctl_param,
-				&mm_data->seg_info[0],
-				sizeof(struct memseg_info) *
-				mm_data->num_memseg);
-		if (ret)
-			return -EFAULT;
-		break;
-	default:
-		XEN_PRINT("IOCTL default \n");
-		break;
-	}
-
-	return 0;
-}
-
-module_init(dom0_init);
-module_exit(dom0_exit);
-
-module_param(rsv_memsize, uint, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(rsv_memsize, "Xen-dom0 reserved memory size(MB).\n");