/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012-2013 6WIND S.A.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <syslog.h>
#include <getopt.h>
#include <sys/file.h>
+#include <fcntl.h>
+#include <dlfcn.h>
#include <stddef.h>
#include <errno.h>
#include <limits.h>
#include <errno.h>
#include <sys/mman.h>
#include <sys/queue.h>
-#include <sys/user.h>
-#include <linux/binfmts.h>
+#include <sys/io.h>
#include <rte_common.h>
#include <rte_debug.h>
#include <rte_version.h>
#include <rte_atomic.h>
#include <malloc_heap.h>
+#include <rte_eth_ring.h>
#include "eal_private.h"
#include "eal_thread.h"
#define OPT_SOCKET_MEM "socket-mem"
#define OPT_USE_DEVICE "use-device"
#define OPT_SYSLOG "syslog"
+#define OPT_BASE_VIRTADDR "base-virtaddr"
+#define OPT_XEN_DOM0 "xen-dom0"
+#define OPT_CREATE_UIO_DEV "create-uio-dev"
#define RTE_EAL_BLACKLIST_SIZE 0x100
#define SOCKET_MEM_STRLEN (RTE_MAX_NUMA_NODES * 10)
-#define BITS_PER_HEX 4
+#define HIGHEST_RPL 3
-#define GET_BLACKLIST_FIELD(in, fd, lim, dlm) \
-{ \
- unsigned long val; \
- char *end; \
- errno = 0; \
- val = strtoul((in), &end, 16); \
- if (errno != 0 || end[0] != (dlm) || val > (lim)) \
- return (-EINVAL); \
- (fd) = (typeof (fd))val; \
- (in) = end + 1; \
-}
+#define BITS_PER_HEX 4
/* Allow the application to print its usage message too if set */
static rte_usage_hook_t rte_application_usage_hook = NULL;
+
+TAILQ_HEAD(shared_driver_list, shared_driver);
+
+/* Definition for shared object drivers. */
+struct shared_driver {
+ TAILQ_ENTRY(shared_driver) next;
+
+ char name[PATH_MAX];
+ void* lib_handle;
+};
+
+/* List of external loadable drivers */
+static struct shared_driver_list solib_list =
+TAILQ_HEAD_INITIALIZER(solib_list);
+
/* early configuration structure, when memory config is not mmapped */
static struct rte_mem_config early_mem_config;
for (i = 0; i < MAX_HUGEPAGE_SIZES; i++)
{
/* skip uninitialized */
- if (internal_config.hugepage_info[i].lock_descriptor == 0)
+ if (internal_config.hugepage_info[i].lock_descriptor < 0)
continue;
/* unlock hugepage file */
flock(internal_config.hugepage_info[i].lock_descriptor, LOCK_UN);
close(internal_config.hugepage_info[i].lock_descriptor);
/* reset the field */
- internal_config.hugepage_info[i].lock_descriptor = 0;
+ internal_config.hugepage_info[i].lock_descriptor = -1;
}
}
" -c COREMASK : A hexadecimal bitmask of cores to run on\n"
" -n NUM : Number of memory channels\n"
" -v : Display version information on startup\n"
+ " -d LIB.so : add driver (can be used multiple times)\n"
" -b <domain:bus:devid.func>: to prevent EAL from using specified "
"PCI device\n"
" (multiple -b options are allowed)\n"
" -m MB : memory to allocate (see also --"OPT_SOCKET_MEM")\n"
" -r NUM : force number of memory ranks (don't detect)\n"
+ " --"OPT_XEN_DOM0" : support application running on Xen Domain0 "
+ "without hugetlbfs\n"
" --"OPT_SYSLOG" : set syslog facility\n"
" --"OPT_SOCKET_MEM" : memory to allocate on specific \n"
" sockets (use comma separated values)\n"
" --"OPT_HUGE_DIR" : directory where hugetlbfs is mounted\n"
" --"OPT_PROC_TYPE" : type of this process\n"
" --"OPT_FILE_PREFIX": prefix for hugepage filenames\n"
- " --"OPT_USE_DEVICE": use the specified ethernet device(s) only."
+ " --"OPT_USE_DEVICE": use the specified ethernet device(s) only. "
"Use comma-separate <[domain:]bus:devid.func> values.\n"
" [NOTE: Cannot be used with -b option]\n"
" --"OPT_VMWARE_TSC_MAP": use VMware TSC map instead of "
"native RDTSC\n"
+ " --"OPT_BASE_VIRTADDR": specify base virtual address\n"
+ " --"OPT_CREATE_UIO_DEV": create /dev/uioX (usually done by hotplug)\n"
"\nEAL options for DEBUG use only:\n"
" --"OPT_NO_HUGE" : use malloc instead of hugetlbfs\n"
" --"OPT_NO_PCI" : disable pci\n"
if (coremask[0] == '0' && ((coremask[1] == 'x')
|| (coremask[1] == 'X')) )
coremask += 2;
- i = strnlen(coremask, MAX_ARG_STRLEN);
+ i = strnlen(coremask, PATH_MAX);
while ((i > 0) && isblank(coremask[i - 1]))
i--;
if (i == 0)
cfg->lcore_role[idx] = ROLE_OFF;
if(count == 0)
return -1;
+ /* Update the count of enabled logical cores of the EAL configuration */
+ cfg->lcore_count = count;
return 0;
}
return 0;
}
+static int
+eal_parse_base_virtaddr(const char *arg)
+{
+ char *end;
+ uint64_t addr;
+
+ addr = strtoull(arg, &end, 16);
+
+ /* check for errors */
+ if ((errno != 0) || (arg[0] == '\0') || end == NULL || (*end != '\0'))
+ return -1;
+
+ /* make sure we don't exceed 32-bit boundary on 32-bit target */
+#ifndef RTE_ARCH_X86_64
+ if (addr >= UINTPTR_MAX)
+ return -1;
+#endif
+
+ /* align the addr on 2M boundary */
+ internal_config.base_virtaddr = RTE_PTR_ALIGN_CEIL((uintptr_t)addr,
+ RTE_PGSIZE_2M);
+
+ return 0;
+}
+
static inline size_t
eal_get_hugepage_mem_size(void)
{
{OPT_SOCKET_MEM, 1, 0, 0},
{OPT_USE_DEVICE, 1, 0, 0},
{OPT_SYSLOG, 1, NULL, 0},
+ {OPT_BASE_VIRTADDR, 1, 0, 0},
+ {OPT_XEN_DOM0, 0, 0, 0},
+ {OPT_CREATE_UIO_DEV, 1, NULL, 0},
{0, 0, 0, 0}
};
+ struct shared_driver *solib;
argvopt = argv;
internal_config.hugepage_dir = NULL;
internal_config.force_sockets = 0;
internal_config.syslog_facility = LOG_DAEMON;
+ internal_config.xen_dom0_support = 0;
#ifdef RTE_LIBEAL_USE_HPET
internal_config.no_hpet = 0;
#else
/* zero out hugedir descriptors */
for (i = 0; i < MAX_HUGEPAGE_SIZES; i++)
- internal_config.hugepage_info[i].lock_descriptor = 0;
+ internal_config.hugepage_info[i].lock_descriptor = -1;
internal_config.vmware_tsc_map = 0;
+ internal_config.base_virtaddr = 0;
- while ((opt = getopt_long(argc, argvopt, "b:c:m:n:r:v",
+ while ((opt = getopt_long(argc, argvopt, "b:c:d:m:n:r:v",
lgopts, &option_index)) != EOF) {
switch (opt) {
}
coremask_ok = 1;
break;
+ /* force loading of external driver */
+ case 'd':
+ solib = malloc(sizeof(*solib));
+ if (solib == NULL) {
+ RTE_LOG(ERR, EAL, "malloc(solib) failed\n");
+ return -1;
+ }
+ memset(solib, 0, sizeof(*solib));
+ strncpy(solib->name, optarg, PATH_MAX-1);
+ solib->name[PATH_MAX-1] = 0;
+ TAILQ_INSERT_TAIL(&solib_list, solib, next);
+ break;
/* size of memory */
case 'm':
internal_config.memory = atoi(optarg);
if (!strcmp(lgopts[option_index].name, OPT_NO_HUGE)) {
internal_config.no_hugetlbfs = 1;
}
+ if (!strcmp(lgopts[option_index].name, OPT_XEN_DOM0)) {
+ #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");
+ return -1;
+ #endif
+ }
else if (!strcmp(lgopts[option_index].name, OPT_NO_PCI)) {
internal_config.no_pci = 1;
}
return -1;
}
}
+ else if (!strcmp(lgopts[option_index].name, OPT_BASE_VIRTADDR)) {
+ if (eal_parse_base_virtaddr(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameter for --"
+ OPT_BASE_VIRTADDR "\n");
+ eal_usage(prgname);
+ return -1;
+ }
+ }
+ else if (!strcmp(lgopts[option_index].name, OPT_CREATE_UIO_DEV)) {
+ internal_config.create_uio_dev = 1;
+ }
break;
default:
eal_usage(prgname);
return -1;
}
-
+ /* --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 --socket-mem cannot be specified "
+ "together with --xen_dom0!\n");
+ eal_usage(prgname);
+ return -1;
+ }
/* if no blacklist, parse a whitelist */
if (blacklist_index > 0) {
if (eal_dev_whitelist_exists()) {
rte_config.mem_config->magic = RTE_MAGIC;
}
+/*
+ * Request iopl priviledge for all RPL, returns 0 on success
+ */
+static int
+rte_eal_iopl_init(void)
+{
+ return iopl(HIGHEST_RPL);
+}
+
/* Launch threads, called at application init(). */
int
rte_eal_init(int argc, char **argv)
int i, fctret, ret;
pthread_t thread_id;
static rte_atomic32_t run_once = RTE_ATOMIC32_INIT(0);
+ struct shared_driver *solib = NULL;
+ const char *logid;
if (!rte_atomic32_test_and_set(&run_once))
return -1;
+ logid = strrchr(argv[0], '/');
+ logid = strdup(logid ? logid + 1: argv[0]);
+
thread_id = pthread_self();
if (rte_eal_log_early_init() < 0)
rte_panic("Cannot init early logs\n");
+ if (rte_eal_cpu_init() < 0)
+ rte_panic("Cannot detect lcores\n");
+
fctret = eal_parse_args(argc, argv);
if (fctret < 0)
exit(1);
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_panic("Cannot get hugepage information\n");
rte_srand(rte_rdtsc());
rte_config_init();
+
+ if (rte_eal_iopl_init() == 0)
+ rte_config.flags |= EAL_FLG_HIGH_IOPL;
- if (rte_eal_cpu_init() < 0)
- rte_panic("Cannot detect lcores\n");
+ 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");
+#endif
if (rte_eal_memory_init() < 0)
rte_panic("Cannot init memory\n");
if (rte_eal_tailqs_init() < 0)
rte_panic("Cannot init tail queues for objects\n");
- if (rte_eal_log_init(argv[0], internal_config.syslog_facility) < 0)
+#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");
if (rte_eal_alarm_init() < 0)
if (rte_eal_timer_init() < 0)
rte_panic("Cannot init HPET or TSC timers\n");
- if (rte_eal_pci_init() < 0)
- rte_panic("Cannot init PCI\n");
-
- RTE_LOG(DEBUG, EAL, "Master core %u is ready (tid=%x)\n",
- rte_config.master_lcore, (int)thread_id);
-
eal_check_mem_on_local_socket();
rte_eal_mcfg_complete();
+ if (rte_eal_non_pci_ethdev_init() < 0)
+ rte_panic("Cannot init non-PCI eth_devs\n");
+
+ TAILQ_FOREACH(solib, &solib_list, next) {
+ solib->lib_handle = dlopen(solib->name, RTLD_NOW);
+ if ((solib->lib_handle == NULL) && (solib->name[0] != '/')) {
+ /* relative path: try again with "./" prefix */
+ char sopath[PATH_MAX];
+ snprintf(sopath, sizeof(sopath), "./%s", solib->name);
+ solib->lib_handle = dlopen(sopath, RTLD_NOW);
+ }
+ if (solib->lib_handle == NULL)
+ RTE_LOG(WARNING, EAL, "%s\n", dlerror());
+ }
+
+ RTE_LOG(DEBUG, EAL, "Master core %u is ready (tid=%x)\n",
+ rte_config.master_lcore, (int)thread_id);
+
RTE_LCORE_FOREACH_SLAVE(i) {
/*
return (rte_config.process_type);
}
+int rte_eal_has_hugepages(void)
+{
+ return ! internal_config.no_hugetlbfs;
+}
git.droids-corp.org / dpdk.git / blobdiff