New upstream version 17.11-rc3

[deb_dpdk.git] / lib / librte_eal / linuxapp / eal / eal.c

diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 48f12f4..229eec9 100644 (file)
--- 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)
 {