-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2012-2014 6WIND S.A.
- * 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2018 Intel Corporation.
+ * Copyright(c) 2012-2014 6WIND S.A.
*/
#include <stdio.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/stat.h>
+#if defined(RTE_ARCH_X86)
#include <sys/io.h>
+#endif
+#include <rte_compat.h>
#include <rte_common.h>
#include <rte_debug.h>
#include <rte_memory.h>
-#include <rte_memzone.h>
#include <rte_launch.h>
-#include <rte_tailq.h>
#include <rte_eal.h>
#include <rte_eal_memconfig.h>
+#include <rte_errno.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
+#include <rte_service_component.h>
#include <rte_log.h>
#include <rte_random.h>
#include <rte_cycles.h>
#include <rte_string_fns.h>
#include <rte_cpuflags.h>
#include <rte_interrupts.h>
-#include <rte_pci.h>
+#include <rte_bus.h>
+#include <rte_dev.h>
#include <rte_devargs.h>
-#include <rte_common.h>
#include <rte_version.h>
#include <rte_atomic.h>
#include <malloc_heap.h>
-#include <rte_eth_ring.h>
-#include <rte_dev.h>
+#include <rte_vfio.h>
#include "eal_private.h"
#include "eal_thread.h"
#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)
#define SOCKET_MEM_STRLEN (RTE_MAX_NUMA_NODES * 10)
-#define HIGHEST_RPL 3
-
/* 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;
static struct flock wr_lock = {
.l_type = F_WRLCK,
.l_whence = SEEK_SET,
- .l_start = offsetof(struct rte_mem_config, memseg),
- .l_len = sizeof(early_mem_config.memseg),
+ .l_start = offsetof(struct rte_mem_config, memsegs),
+ .l_len = sizeof(early_mem_config.memsegs),
};
/* Address of global and public configuration */
/* used by rte_rdtsc() */
int rte_cycles_vmware_tsc_map;
+/* Return user provided mbuf pool ops name */
+const char * __rte_experimental
+rte_eal_mbuf_user_pool_ops(void)
+{
+ return internal_config.user_mbuf_pool_ops_name;
+}
+
+/* Return mbuf pool ops name */
+const char *
+rte_eal_mbuf_default_mempool_ops(void)
+{
+ if (internal_config.user_mbuf_pool_ops_name == NULL)
+ return RTE_MBUF_DEFAULT_MEMPOOL_OPS;
+
+ return internal_config.user_mbuf_pool_ops_name;
+}
+
/* Return a pointer to the configuration structure */
struct rte_config *
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)
rte_panic("Cannot mmap memory for rte_config\n");
}
memcpy(rte_mem_cfg_addr, &early_mem_config, sizeof(early_mem_config));
- rte_config.mem_config = (struct rte_mem_config *) rte_mem_cfg_addr;
+ rte_config.mem_config = rte_mem_cfg_addr;
/* store address of the config in the config itself so that secondary
* processes could later map the config into this exact location */
mem_config = (struct rte_mem_config *) mmap(NULL, sizeof(*mem_config),
PROT_READ, MAP_SHARED, mem_cfg_fd, 0);
if (mem_config == MAP_FAILED)
- rte_panic("Cannot mmap memory for rte_config\n");
+ rte_panic("Cannot mmap memory for rte_config! error %i (%s)\n",
+ errno, strerror(errno));
rte_config.mem_config = mem_config;
}
mem_config = (struct rte_mem_config *) mmap(rte_mem_cfg_addr,
sizeof(*mem_config), PROT_READ | PROT_WRITE, MAP_SHARED,
mem_cfg_fd, 0);
+ if (mem_config == MAP_FAILED || mem_config != rte_mem_cfg_addr) {
+ if (mem_config != MAP_FAILED)
+ /* errno is stale, don't use */
+ rte_panic("Cannot mmap memory for rte_config at [%p], got [%p]"
+ " - please use '--base-virtaddr' option\n",
+ rte_mem_cfg_addr, mem_config);
+ else
+ rte_panic("Cannot mmap memory for rte_config! error %i (%s)\n",
+ errno, strerror(errno));
+ }
close(mem_cfg_fd);
- if (mem_config == MAP_FAILED || mem_config != rte_mem_cfg_addr)
- rte_panic("Cannot mmap memory for rte_config\n");
rte_config.mem_config = mem_config;
}
/* Detect if we are a primary or a secondary process */
-static enum rte_proc_type_t
+enum rte_proc_type_t
eal_proc_type_detect(void)
{
enum rte_proc_type_t ptype = RTE_PROC_PRIMARY;
static void
rte_config_init(void)
{
- rte_config.process_type = (internal_config.process_type == RTE_PROC_AUTO) ?
- eal_proc_type_detect() : /* for auto, detect the type */
- internal_config.process_type; /* otherwise use what's already set */
+ rte_config.process_type = internal_config.process_type;
switch (rte_config.process_type){
case RTE_PROC_PRIMARY:
printf("\nUsage: %s ", prgname);
eal_common_usage();
printf("EAL Linux options:\n"
- " -d LIB.so : add driver (can be used multiple times)\n"
- " --"OPT_XEN_DOM0" : support application running on Xen Domain0 "
- "without hugetlbfs\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_FILE_PREFIX": prefix for hugepage filenames\n"
- " --"OPT_BASE_VIRTADDR": specify base virtual address\n"
- " --"OPT_VFIO_INTR": specify desired interrupt mode for VFIO "
- "(legacy|msi|msix)\n"
- " --"OPT_CREATE_UIO_DEV": create /dev/uioX (usually done by hotplug)\n"
+ " --"OPT_SOCKET_MEM" Memory to allocate on sockets (comma separated values)\n"
+ " --"OPT_HUGE_DIR" Directory where hugetlbfs is mounted\n"
+ " --"OPT_FILE_PREFIX" Prefix for hugepage filenames\n"
+ " --"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_LEGACY_MEM" Legacy memory mode (no dynamic allocation, contiguous segments)\n"
+ " --"OPT_SINGLE_FILE_SEGMENTS" Put all hugepage memory in single files\n"
"\n");
/* Allow the application to print its usage message too if hook is set */
if ( rte_application_usage_hook ) {
return -1;
/* make sure we don't exceed 32-bit boundary on 32-bit target */
-#ifndef RTE_ARCH_X86_64
+#ifndef RTE_ARCH_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);
+ /* align the addr on 16M boundary, 16MB is the minimum huge page
+ * size on IBM Power architecture. If the addr is aligned to 16MB,
+ * it can align to 2MB for x86. So this alignment can also be used
+ * on x86 */
+ internal_config.base_virtaddr =
+ RTE_PTR_ALIGN_CEIL((uintptr_t)addr, (size_t)RTE_PGSIZE_16M);
return 0;
}
return -1;
}
-static inline size_t
-eal_get_hugepage_mem_size(void)
+/* Parse the arguments for --log-level only */
+static void
+eal_log_level_parse(int argc, char **argv)
{
- uint64_t size = 0;
- unsigned i, j;
+ int opt;
+ char **argvopt;
+ int option_index;
+ const int old_optind = optind;
+ const int old_optopt = optopt;
+ char * const old_optarg = optarg;
- 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];
- }
- }
+ argvopt = argv;
+ optind = 1;
+
+ while ((opt = getopt_long(argc, argvopt, eal_short_options,
+ eal_long_options, &option_index)) != EOF) {
+
+ int ret;
+
+ /* getopt is not happy, stop right now */
+ if (opt == '?')
+ break;
+
+ ret = (opt == OPT_LOG_LEVEL_NUM) ?
+ eal_parse_common_option(opt, optarg, &internal_config) : 0;
+
+ /* common parser is not happy */
+ if (ret < 0)
+ break;
}
- return (size < SIZE_MAX) ? (size_t)(size) : SIZE_MAX;
+ /* restore getopt lib */
+ optind = old_optind;
+ optopt = old_optopt;
+ optarg = old_optarg;
}
/* Parse the argument given in the command line of the application */
static int
eal_parse_args(int argc, char **argv)
{
- int opt, ret, i;
+ int opt, ret;
char **argvopt;
int option_index;
- int coremask_ok = 0;
char *prgname = argv[0];
- struct shared_driver *solib;
+ const int old_optind = optind;
+ const int old_optopt = optopt;
+ char * const old_optarg = optarg;
argvopt = argv;
-
- internal_config.memory = 0;
- internal_config.force_nrank = 0;
- internal_config.force_nchannel = 0;
- internal_config.hugefile_prefix = HUGEFILE_PREFIX_DEFAULT;
- internal_config.hugepage_dir = NULL;
- internal_config.force_sockets = 0;
- internal_config.syslog_facility = LOG_DAEMON;
- /* default value from build option */
- internal_config.log_level = RTE_LOG_LEVEL;
- internal_config.xen_dom0_support = 0;
- /* if set to NONE, interrupt mode is determined automatically */
- internal_config.vfio_intr_mode = RTE_INTR_MODE_NONE;
-#ifdef RTE_LIBEAL_USE_HPET
- internal_config.no_hpet = 0;
-#else
- internal_config.no_hpet = 1;
-#endif
- /* zero out the NUMA config */
- for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
- internal_config.socket_mem[i] = 0;
-
- /* zero out hugedir descriptors */
- for (i = 0; i < MAX_HUGEPAGE_SIZES; i++)
- internal_config.hugepage_info[i].lock_descriptor = -1;
-
- internal_config.vmware_tsc_map = 0;
- internal_config.base_virtaddr = 0;
+ optind = 1;
while ((opt = getopt_long(argc, argvopt, eal_short_options,
eal_long_options, &option_index)) != EOF) {
- int ret;
-
/* getopt is not happy, stop right now */
- if (opt == '?')
- return -1;
+ if (opt == '?') {
+ eal_usage(prgname);
+ ret = -1;
+ goto out;
+ }
ret = eal_parse_common_option(opt, optarg, &internal_config);
/* common parser is not happy */
if (ret < 0) {
eal_usage(prgname);
- return -1;
+ ret = -1;
+ goto out;
}
/* common parser handled this option */
- if (ret == 0) {
- /* special case, note that the common parser accepted
- * the coremask option */
- if (opt == 'c')
- coremask_ok = 1;
+ if (ret == 0)
continue;
- }
switch (opt) {
- /* 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;
-
- /* 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");
- return -1;
- #endif
- break;
+ case 'h':
+ eal_usage(prgname);
+ exit(EXIT_SUCCESS);
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:
- if (eal_parse_socket_mem(optarg) < 0) {
- RTE_LOG(ERR, EAL, "invalid parameters for --"
- OPT_SOCKET_MEM "\n");
- eal_usage(prgname);
- return -1;
- }
+ if (eal_parse_socket_mem(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameters for --"
+ OPT_SOCKET_MEM "\n");
+ eal_usage(prgname);
+ ret = -1;
+ goto out;
+ }
break;
case OPT_BASE_VIRTADDR_NUM:
- if (eal_parse_base_virtaddr(optarg) < 0) {
- RTE_LOG(ERR, EAL, "invalid parameter for --"
- OPT_BASE_VIRTADDR "\n");
- eal_usage(prgname);
- return -1;
- }
+ if (eal_parse_base_virtaddr(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameter for --"
+ OPT_BASE_VIRTADDR "\n");
+ eal_usage(prgname);
+ ret = -1;
+ goto out;
+ }
break;
case OPT_VFIO_INTR_NUM:
- if (eal_parse_vfio_intr(optarg) < 0) {
- RTE_LOG(ERR, EAL, "invalid parameters for --"
- OPT_VFIO_INTR "\n");
- eal_usage(prgname);
- return -1;
- }
+ if (eal_parse_vfio_intr(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameters for --"
+ OPT_VFIO_INTR "\n");
+ eal_usage(prgname);
+ ret = -1;
+ goto out;
+ }
break;
case OPT_CREATE_UIO_DEV_NUM:
- internal_config.create_uio_dev = 1;
+ internal_config.create_uio_dev = 1;
+ break;
+
+ case OPT_MBUF_POOL_OPS_NAME_NUM:
+ internal_config.user_mbuf_pool_ops_name = optarg;
break;
default:
"on Linux\n", opt);
}
eal_usage(prgname);
- return -1;
+ ret = -1;
+ goto out;
}
}
- /* sanity checks */
- if (!coremask_ok) {
- RTE_LOG(ERR, EAL, "coremask not specified\n");
- eal_usage(prgname);
- return -1;
- }
- if (internal_config.process_type == RTE_PROC_AUTO){
- internal_config.process_type = eal_proc_type_detect();
- }
- if (internal_config.process_type == RTE_PROC_INVALID){
- RTE_LOG(ERR, EAL, "Invalid process type specified\n");
- eal_usage(prgname);
- return -1;
- }
- if (internal_config.process_type == RTE_PROC_PRIMARY &&
- internal_config.force_nchannel == 0) {
- RTE_LOG(ERR, EAL, "Number of memory channels (-n) not specified\n");
- eal_usage(prgname);
- return -1;
- }
- if (index(internal_config.hugefile_prefix,'%') != NULL){
- RTE_LOG(ERR, EAL, "Invalid char, '%%', in '"OPT_FILE_PREFIX"' option\n");
- eal_usage(prgname);
- return -1;
- }
- if (internal_config.memory > 0 && internal_config.force_sockets == 1) {
- RTE_LOG(ERR, EAL, "Options -m and --socket-mem cannot be specified "
- "at the same time\n");
- eal_usage(prgname);
- return -1;
- }
- /* --no-huge doesn't make sense with either -m or --socket-mem */
- if (internal_config.no_hugetlbfs &&
- (internal_config.memory > 0 ||
- internal_config.force_sockets == 1)) {
- RTE_LOG(ERR, EAL, "Options -m or --socket-mem cannot be specified "
- "together with --no-huge!\n");
- 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 (eal_adjust_config(&internal_config) != 0) {
+ ret = -1;
+ goto out;
}
- if (rte_eal_devargs_type_count(RTE_DEVTYPE_WHITELISTED_PCI) != 0 &&
- rte_eal_devargs_type_count(RTE_DEVTYPE_BLACKLISTED_PCI) != 0) {
- RTE_LOG(ERR, EAL, "Error: blacklist [-b] and whitelist "
- "[-w] options cannot be used at the same time\n");
+ /* sanity checks */
+ if (eal_check_common_options(&internal_config) != 0) {
eal_usage(prgname);
- return -1;
+ ret = -1;
+ goto out;
}
if (optind >= 0)
argv[optind-1] = prgname;
+ ret = optind-1;
- /* if no memory amounts were requested, this will result in 0 and
- * will be overriden later, right after eal_hugepage_info_init() */
- for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
- internal_config.memory += internal_config.socket_mem[i];
+out:
+ /* restore getopt lib */
+ optind = old_optind;
+ optopt = old_optopt;
+ optarg = old_optarg;
- ret = optind-1;
- optind = 0; /* reset getopt lib */
return ret;
}
+static int
+check_socket(const struct rte_memseg_list *msl, void *arg)
+{
+ int *socket_id = arg;
+
+ if (msl->socket_id == *socket_id && msl->memseg_arr.count != 0)
+ return 1;
+
+ return 0;
+}
+
static void
eal_check_mem_on_local_socket(void)
{
- const struct rte_memseg *ms;
- int i, socket_id;
+ int socket_id;
socket_id = rte_lcore_to_socket_id(rte_config.master_lcore);
- ms = rte_eal_get_physmem_layout();
-
- for (i = 0; i < RTE_MAX_MEMSEG; i++)
- if (ms[i].socket_id == socket_id &&
- ms[i].len > 0)
- return;
-
- RTE_LOG(WARNING, EAL, "WARNING: Master core has no "
- "memory on local socket!\n");
+ if (rte_memseg_list_walk(check_socket, &socket_id) == 0)
+ RTE_LOG(WARNING, EAL, "WARNING: Master core has no memory on local socket!\n");
}
static int
/* ALL shared mem_config related INIT DONE */
if (rte_config.process_type == RTE_PROC_PRIMARY)
rte_config.mem_config->magic = RTE_MAGIC;
+
+ internal_config.init_complete = 1;
}
/*
* Request iopl privilege for all RPL, returns 0 on success
+ * iopl() call is mostly for the i386 architecture. For other architectures,
+ * return -1 to indicate IO privilege can't be changed in this way.
*/
-static int
+int
rte_eal_iopl_init(void)
{
- return iopl(HIGHEST_RPL);
+#if defined(RTE_ARCH_X86)
+ if (iopl(3) != 0)
+ return -1;
+#endif
+ return 0;
+}
+
+#ifdef VFIO_PRESENT
+static int rte_eal_vfio_setup(void)
+{
+ if (rte_vfio_enable("vfio"))
+ return -1;
+
+ return 0;
+}
+#endif
+
+static void rte_eal_init_alert(const char *msg)
+{
+ fprintf(stderr, "EAL: FATAL: %s\n", msg);
+ RTE_LOG(ERR, EAL, "%s\n", msg);
}
/* Launch threads, called at application init(). */
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;
+ char cpuset[RTE_CPU_AFFINITY_STR_LEN];
+ char thread_name[RTE_MAX_THREAD_NAME_LEN];
- if (!rte_atomic32_test_and_set(&run_once))
+ /* checks if the machine is adequate */
+ if (!rte_cpu_is_supported()) {
+ rte_eal_init_alert("unsupported cpu type.");
+ rte_errno = ENOTSUP;
return -1;
+ }
+
+ if (!rte_atomic32_test_and_set(&run_once)) {
+ rte_eal_init_alert("already called initialization.");
+ rte_errno = EALREADY;
+ 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");
+ eal_reset_internal_config(&internal_config);
- if (rte_eal_cpu_init() < 0)
- rte_panic("Cannot detect lcores\n");
+ /* set log level as early as possible */
+ eal_log_level_parse(argc, argv);
+
+ if (rte_eal_cpu_init() < 0) {
+ rte_eal_init_alert("Cannot detect lcores.");
+ rte_errno = ENOTSUP;
+ return -1;
+ }
fctret = eal_parse_args(argc, argv);
- if (fctret < 0)
- exit(1);
+ if (fctret < 0) {
+ rte_eal_init_alert("Invalid 'command line' arguments.");
+ rte_errno = EINVAL;
+ rte_atomic32_clear(&run_once);
+ return -1;
+ }
- /* set log level as early as possible */
- rte_set_log_level(internal_config.log_level);
+ 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;
+ }
+
+ rte_config_init();
+
+ /* Put mp channel init before bus scan so that we can init the vdev
+ * bus through mp channel in the secondary process before the bus scan.
+ */
+ if (rte_mp_channel_init() < 0) {
+ rte_eal_init_alert("failed to init mp channel\n");
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ rte_errno = EFAULT;
+ 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;
+ }
- 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");
+ /* 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) {
+ /* rte_config isn't initialized yet */
+ ret = internal_config.process_type == RTE_PROC_PRIMARY ?
+ eal_hugepage_info_init() :
+ eal_hugepage_info_read();
+ if (ret < 0) {
+ rte_eal_init_alert("Cannot get hugepage information.");
+ rte_errno = EACCES;
+ rte_atomic32_clear(&run_once);
+ return -1;
+ }
+ }
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) {
rte_srand(rte_rdtsc());
- rte_config_init();
-
- if (rte_eal_iopl_init() == 0)
- rte_config.flags |= EAL_FLG_HIGH_IOPL;
-
- if (rte_eal_pci_init() < 0)
- rte_panic("Cannot init PCI\n");
+ if (rte_eal_log_init(logid, internal_config.syslog_facility) < 0) {
+ rte_eal_init_alert("Cannot init logging.");
+ rte_errno = ENOMEM;
+ rte_atomic32_clear(&run_once);
+ return -1;
+ }
-#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_eal_init_alert("Cannot init VFIO\n");
+ rte_errno = EAGAIN;
+ rte_atomic32_clear(&run_once);
+ return -1;
+ }
#endif
+ /* in secondary processes, memory init may allocate additional fbarrays
+ * not present in primary processes, so to avoid any potential issues,
+ * initialize memzones first.
+ */
+ if (rte_eal_memzone_init() < 0) {
+ rte_eal_init_alert("Cannot init memzone\n");
+ rte_errno = ENODEV;
+ return -1;
+ }
- if (rte_eal_memory_init() < 0)
- rte_panic("Cannot init memory\n");
+ if (rte_eal_memory_init() < 0) {
+ rte_eal_init_alert("Cannot init memory\n");
+ rte_errno = ENOMEM;
+ return -1;
+ }
/* the directories are locked during eal_hugepage_info_init */
eal_hugedirs_unlock();
- if (rte_eal_memzone_init() < 0)
- rte_panic("Cannot init memzone\n");
-
- 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");
+ if (rte_eal_malloc_heap_init() < 0) {
+ rte_eal_init_alert("Cannot init malloc heap\n");
+ rte_errno = ENODEV;
+ return -1;
+ }
- if (rte_eal_alarm_init() < 0)
- rte_panic("Cannot init interrupt-handling thread\n");
+ if (rte_eal_tailqs_init() < 0) {
+ rte_eal_init_alert("Cannot init tail queues for objects\n");
+ rte_errno = EFAULT;
+ return -1;
+ }
- if (rte_eal_intr_init() < 0)
- rte_panic("Cannot init interrupt-handling thread\n");
+ if (rte_eal_alarm_init() < 0) {
+ rte_eal_init_alert("Cannot init interrupt-handling thread\n");
+ /* rte_eal_alarm_init sets rte_errno on failure. */
+ return -1;
+ }
- if (rte_eal_timer_init() < 0)
- rte_panic("Cannot init HPET or TSC timers\n");
+ if (rte_eal_timer_init() < 0) {
+ rte_eal_init_alert("Cannot init HPET or TSC timers\n");
+ rte_errno = ENOTSUP;
+ return -1;
+ }
eal_check_mem_on_local_socket();
- rte_eal_mcfg_complete();
-
- TAILQ_FOREACH(solib, &solib_list, next) {
- RTE_LOG(INFO, EAL, "open shared lib %s\n", solib->name);
- solib->lib_handle = dlopen(solib->name, RTLD_NOW);
- if (solib->lib_handle == NULL)
- RTE_LOG(WARNING, EAL, "%s\n", dlerror());
- }
-
eal_thread_init_master(rte_config.master_lcore);
- RTE_LOG(DEBUG, EAL, "Master core %u is ready (tid=%x)\n",
- rte_config.master_lcore, (int)thread_id);
+ ret = eal_thread_dump_affinity(cpuset, sizeof(cpuset));
- if (rte_eal_dev_init(PMD_INIT_PRE_PCI_PROBE) < 0)
- rte_panic("Cannot init pmd devices\n");
+ RTE_LOG(DEBUG, EAL, "Master lcore %u is ready (tid=%x;cpuset=[%s%s])\n",
+ rte_config.master_lcore, (int)thread_id, cpuset,
+ ret == 0 ? "" : "...");
+
+ if (rte_eal_intr_init() < 0) {
+ rte_eal_init_alert("Cannot init interrupt-handling thread\n");
+ return -1;
+ }
RTE_LCORE_FOREACH_SLAVE(i) {
eal_thread_loop, NULL);
if (ret != 0)
rte_panic("Cannot create thread\n");
+
+ /* Set thread_name for aid in debugging. */
+ snprintf(thread_name, sizeof(thread_name),
+ "lcore-slave-%d", i);
+ ret = rte_thread_setname(lcore_config[i].thread_id,
+ thread_name);
+ if (ret != 0)
+ RTE_LOG(DEBUG, EAL,
+ "Cannot set name for lcore thread\n");
}
/*
rte_eal_mp_remote_launch(sync_func, NULL, SKIP_MASTER);
rte_eal_mp_wait_lcore();
- /* Probe & Initialize PCI devices */
- if (rte_eal_pci_probe())
- rte_panic("Cannot probe PCI\n");
+ /* initialize services so vdevs register service during bus_probe. */
+ ret = rte_service_init();
+ if (ret) {
+ rte_eal_init_alert("rte_service_init() failed\n");
+ rte_errno = ENOEXEC;
+ return -1;
+ }
+
+ /* Probe all the buses and devices/drivers on them */
+ if (rte_bus_probe()) {
+ rte_eal_init_alert("Cannot probe devices\n");
+ rte_errno = ENOTSUP;
+ return -1;
+ }
+
+#ifdef VFIO_PRESENT
+ /* Register mp action after probe() so that we got enough info */
+ if (rte_vfio_is_enabled("vfio") && vfio_mp_sync_setup() < 0)
+ return -1;
+#endif
- /* Initialize any outstanding devices */
- if (rte_eal_dev_init(PMD_INIT_POST_PCI_PROBE) < 0)
- rte_panic("Cannot init pmd devices\n");
+ /* initialize default service/lcore mappings and start running. Ignore
+ * -ENOTSUP, as it indicates no service coremask passed to EAL.
+ */
+ ret = rte_service_start_with_defaults();
+ if (ret < 0 && ret != -ENOTSUP) {
+ rte_errno = ENOEXEC;
+ return -1;
+ }
+
+ rte_eal_mcfg_complete();
return fctret;
}
+int __rte_experimental
+rte_eal_cleanup(void)
+{
+ rte_service_finalize();
+ return 0;
+}
+
/* get core role */
enum rte_lcore_role_t
rte_eal_lcore_role(unsigned lcore_id)
{
- return (rte_config.lcore_role[lcore_id]);
+ return rte_config.lcore_role[lcore_id];
}
enum rte_proc_type_t
rte_eal_process_type(void)
{
- return (rte_config.process_type);
+ return rte_config.process_type;
}
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)
+{
+ char sysfs_mod_name[PATH_MAX];
+ struct stat st;
+ int n;
+
+ if (NULL == module_name)
+ return -1;
+
+ /* Check if there is sysfs mounted */
+ if (stat("/sys/module", &st) != 0) {
+ RTE_LOG(DEBUG, EAL, "sysfs is not mounted! error %i (%s)\n",
+ errno, strerror(errno));
+ return -1;
+ }
+
+ /* A module might be built-in, therefore try sysfs */
+ n = snprintf(sysfs_mod_name, PATH_MAX, "/sys/module/%s", module_name);
+ if (n < 0 || n > PATH_MAX) {
+ RTE_LOG(DEBUG, EAL, "Could not format module path\n");
+ return -1;
+ }
+
+ if (stat(sysfs_mod_name, &st) != 0) {
+ RTE_LOG(DEBUG, EAL, "Module %s not found! error %i (%s)\n",
+ sysfs_mod_name, errno, strerror(errno));
+ return 0;
+ }
+
+ /* Module has been found */
+ return 1;
+}
git.droids-corp.org / dpdk.git / blobdiff