X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Flinuxapp%2Feal%2Feal.c;h=d5b81a328d06a3a27a5a3d3d532fbb6e59646fb3;hb=8d4b8c87f2e8377bf1124feee193bc26a8d7ca8a;hp=4d3e0dec102983188eafca2e43c0a873ef98fd12;hpb=6e7caa1ad9d597fed0a49468af25ae6e68b8c443;p=dpdk.git

diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 4d3e0dec10..d5b81a328d 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
  *   Copyright(c) 2012-2014 6WIND S.A.
  *   All rights reserved.
  *
@@ -50,7 +50,7 @@
 #include <sys/mman.h>
 #include <sys/queue.h>
 #include <sys/stat.h>
-#if defined(RTE_ARCH_X86_64) || defined(RTE_ARCH_I686)
+#if defined(RTE_ARCH_X86)
 #include <sys/io.h>
 #endif
 
@@ -82,6 +82,7 @@
 #include "eal_filesystem.h"
 #include "eal_hugepages.h"
 #include "eal_options.h"
+#include "eal_vfio.h"
 
 #define MEMSIZE_IF_NO_HUGE_PAGE (64ULL * 1024ULL * 1024ULL)
 
@@ -465,24 +466,6 @@ eal_parse_vfio_intr(const char *mode)
 	return -1;
 }
 
-static inline size_t
-eal_get_hugepage_mem_size(void)
-{
-	uint64_t size = 0;
-	unsigned i, j;
-
-	for (i = 0; i < internal_config.num_hugepage_sizes; i++) {
-		struct hugepage_info *hpi = &internal_config.hugepage_info[i];
-		if (hpi->hugedir != NULL) {
-			for (j = 0; j < RTE_MAX_NUMA_NODES; j++) {
-				size += hpi->hugepage_sz * hpi->num_pages[j];
-			}
-		}
-	}
-
-	return (size < SIZE_MAX) ? (size_t)(size) : SIZE_MAX;
-}
-
 /* Parse the arguments for --log-level only */
 static void
 eal_log_level_parse(int argc, char **argv)
@@ -712,14 +695,39 @@ rte_eal_mcfg_complete(void)
 int
 rte_eal_iopl_init(void)
 {
-#if defined(RTE_ARCH_X86_64) || defined(RTE_ARCH_I686)
+#if defined(RTE_ARCH_X86)
 	if (iopl(3) != 0)
 		return -1;
-	return 0;
-#else
-	return -1;
 #endif
+	return 0;
+}
+
+#ifdef VFIO_PRESENT
+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 (vfio_enabled) {
+
+		/* if we are primary process, create a thread to communicate with
+		 * secondary processes. the thread will use a socket to wait for
+		 * requests from secondary process to send open file descriptors,
+		 * because VFIO does not allow multiple open descriptors on a group or
+		 * VFIO container.
+		 */
+		if (internal_config.process_type == RTE_PROC_PRIMARY &&
+				vfio_mp_sync_setup() < 0)
+			return -1;
+	}
+
+	return 0;
 }
+#endif
 
 /* Launch threads, called at application init(). */
 int
@@ -764,8 +772,6 @@ rte_eal_init(int argc, char **argv)
 	if (internal_config.memory == 0 && internal_config.force_sockets == 0) {
 		if (internal_config.no_hugetlbfs)
 			internal_config.memory = MEMSIZE_IF_NO_HUGE_PAGE;
-		else
-			internal_config.memory = eal_get_hugepage_mem_size();
 	}
 
 	if (internal_config.vmware_tsc_map == 1) {
@@ -786,9 +792,9 @@ rte_eal_init(int argc, char **argv)
 	if (rte_eal_pci_init() < 0)
 		rte_panic("Cannot init PCI\n");
 
-#ifdef RTE_LIBRTE_IVSHMEM
-	if (rte_eal_ivshmem_init() < 0)
-		rte_panic("Cannot init IVSHMEM\n");
+#ifdef VFIO_PRESENT
+	if (rte_eal_vfio_setup() < 0)
+		rte_panic("Cannot init VFIO\n");
 #endif
 
 	if (rte_eal_memory_init() < 0)
@@ -803,11 +809,6 @@ rte_eal_init(int argc, char **argv)
 	if (rte_eal_tailqs_init() < 0)
 		rte_panic("Cannot init tail queues for objects\n");
 
-#ifdef RTE_LIBRTE_IVSHMEM
-	if (rte_eal_ivshmem_obj_init() < 0)
-		rte_panic("Cannot init IVSHMEM objects\n");
-#endif
-
 	if (rte_eal_log_init(logid, internal_config.syslog_facility) < 0)
 		rte_panic("Cannot init logs\n");
 
@@ -819,8 +820,6 @@ rte_eal_init(int argc, char **argv)
 
 	eal_check_mem_on_local_socket();
 
-	rte_eal_mcfg_complete();
-
 	if (eal_plugins_init() < 0)
 		rte_panic("Cannot init plugins\n");
 
@@ -863,7 +862,7 @@ rte_eal_init(int argc, char **argv)
 		ret = rte_thread_setname(lcore_config[i].thread_id,
 						thread_name);
 		if (ret != 0)
-			RTE_LOG(ERR, EAL,
+			RTE_LOG(DEBUG, EAL,
 				"Cannot set name for lcore thread\n");
 	}
 
@@ -878,6 +877,8 @@ rte_eal_init(int argc, char **argv)
 	if (rte_eal_pci_probe())
 		rte_panic("Cannot probe PCI\n");
 
+	rte_eal_mcfg_complete();
+
 	return fctret;
 }