-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * Copyright(c) 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) 2014 6WIND S.A.
*/
#include <stdio.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>
+#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_vfio.h>
#include <rte_atomic.h>
#include <malloc_heap.h>
-#include <rte_eth_ring.h>
#include "eal_private.h"
#include "eal_thread.h"
#include "eal_internal_cfg.h"
#include "eal_filesystem.h"
#include "eal_hugepages.h"
-
-#define OPT_HUGE_DIR "huge-dir"
-#define OPT_PROC_TYPE "proc-type"
-#define OPT_NO_SHCONF "no-shconf"
-#define OPT_NO_HPET "no-hpet"
-#define OPT_VMWARE_TSC_MAP "vmware-tsc-map"
-#define OPT_NO_PCI "no-pci"
-#define OPT_NO_HUGE "no-huge"
-#define OPT_FILE_PREFIX "file-prefix"
-#define OPT_SOCKET_MEM "socket-mem"
-#define OPT_USE_DEVICE "use-device"
-#define OPT_PCI_WHITELIST "pci-whitelist"
-#define OPT_PCI_BLACKLIST "pci-blacklist"
-#define OPT_VDEV "vdev"
-#define OPT_SYSLOG "syslog"
-
-#define RTE_EAL_BLACKLIST_SIZE 0x100
+#include "eal_options.h"
#define MEMSIZE_IF_NO_HUGE_PAGE (64ULL * 1024ULL * 1024ULL)
-#define SOCKET_MEM_STRLEN (RTE_MAX_NUMA_NODES * 10)
-
-#define HIGHEST_RPL 3
-
-#define BITS_PER_HEX 4
-
-#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; \
-}
-
/* Allow the application to print its usage message too if set */
static rte_usage_hook_t rte_application_usage_hook = NULL;
/* early configuration structure, when memory config is not mmapped */
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;
+/* platform-specific runtime dir */
+static char runtime_dir[PATH_MAX];
+
+static const char *default_runtime_dir = "/var/run";
+
+int
+eal_create_runtime_dir(void)
+{
+ const char *directory = default_runtime_dir;
+ const char *xdg_runtime_dir = getenv("XDG_RUNTIME_DIR");
+ const char *fallback = "/tmp";
+ char tmp[PATH_MAX];
+ int ret;
+
+ if (getuid() != 0) {
+ /* try XDG path first, fall back to /tmp */
+ if (xdg_runtime_dir != NULL)
+ directory = xdg_runtime_dir;
+ else
+ directory = fallback;
+ }
+ /* create DPDK subdirectory under runtime dir */
+ ret = snprintf(tmp, sizeof(tmp), "%s/dpdk", directory);
+ if (ret < 0 || ret == sizeof(tmp)) {
+ RTE_LOG(ERR, EAL, "Error creating DPDK runtime path name\n");
+ return -1;
+ }
+
+ /* create prefix-specific subdirectory under DPDK runtime dir */
+ ret = snprintf(runtime_dir, sizeof(runtime_dir), "%s/%s",
+ tmp, internal_config.hugefile_prefix);
+ if (ret < 0 || ret == sizeof(runtime_dir)) {
+ RTE_LOG(ERR, EAL, "Error creating prefix-specific runtime path name\n");
+ return -1;
+ }
+
+ /* create the path if it doesn't exist. no "mkdir -p" here, so do it
+ * step by step.
+ */
+ ret = mkdir(tmp, 0700);
+ if (ret < 0 && errno != EEXIST) {
+ RTE_LOG(ERR, EAL, "Error creating '%s': %s\n",
+ tmp, strerror(errno));
+ return -1;
+ }
+
+ ret = mkdir(runtime_dir, 0700);
+ if (ret < 0 && errno != EEXIST) {
+ RTE_LOG(ERR, EAL, "Error creating '%s': %s\n",
+ runtime_dir, strerror(errno));
+ return -1;
+ }
+
+ return 0;
+}
+
+const char *
+eal_get_runtime_dir(void)
+{
+ return runtime_dir;
+}
+
+/* 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 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;
}
/* attach to an existing shared memory config */
if (rte_mem_cfg_addr == MAP_FAILED)
rte_panic("Cannot mmap memory for rte_config\n");
- rte_config.mem_config = (struct rte_mem_config *) rte_mem_cfg_addr;
+ rte_config.mem_config = rte_mem_cfg_addr;
}
/* 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;
const char *pathname = eal_runtime_config_path();
- /* if we can open the file but not get a write-lock we are a secondary
- * process. NOTE: if we get a file handle back, we keep that open
- * and don't close it to prevent a race condition between multiple opens */
- if (((mem_cfg_fd = open(pathname, O_RDWR)) >= 0) &&
- (fcntl(mem_cfg_fd, F_SETLK, &wr_lock) < 0))
- ptype = RTE_PROC_SECONDARY;
+ /* if there no shared config, there can be no secondary processes */
+ if (!internal_config.no_shconf) {
+ /* if we can open the file but not get a write-lock we are a
+ * secondary process. NOTE: if we get a file handle back, we
+ * keep that open and don't close it to prevent a race condition
+ * between multiple opens.
+ */
+ if (((mem_cfg_fd = open(pathname, O_RDWR)) >= 0) &&
+ (fcntl(mem_cfg_fd, F_SETLK, &wr_lock) < 0))
+ ptype = RTE_PROC_SECONDARY;
+ }
RTE_LOG(INFO, EAL, "Auto-detected process type: %s\n",
ptype == RTE_PROC_PRIMARY ? "PRIMARY" : "SECONDARY");
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:
static void
eal_usage(const char *prgname)
{
- printf("\nUsage: %s -c COREMASK -n NUM [-m NB] [-r NUM] [-b <domain:bus:devid.func>]"
- "[--proc-type primary|secondary|auto] \n\n"
- "EAL options:\n"
- " -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"
- " -m MB : memory to allocate\n"
- " -r NUM : force number of memory ranks (don't detect)\n"
- " --"OPT_PROC_TYPE" : type of this process\n"
- " --"OPT_PCI_BLACKLIST", -b: add a PCI device in black list.\n"
- " Prevent EAL from using this PCI device. The argument\n"
- " format is <domain:bus:devid.func>.\n"
- " --"OPT_PCI_WHITELIST", -w: add a PCI device in white list.\n"
- " Only use the specified PCI devices. The argument format\n"
- " is <[domain:]bus:devid.func>. This option can be present\n"
- " several times (once per device).\n"
- " [NOTE: PCI whitelist cannot be used with -b option]\n"
- " --"OPT_VDEV": add a virtual device.\n"
- " The argument format is <driver><id>[,key=val,...]\n"
- " (ex: --vdev=eth_pcap0,iface=eth2).\n"
- " --"OPT_VMWARE_TSC_MAP": use VMware TSC map instead of native RDTSC\n"
- "\nEAL options for DEBUG use only:\n"
- " --"OPT_NO_HUGE" : use malloc instead of hugetlbfs\n"
- " --"OPT_NO_PCI" : disable pci\n"
- " --"OPT_NO_SHCONF": no shared config (mmap'd files)\n"
- "\n",
- prgname);
+ printf("\nUsage: %s ", prgname);
+ eal_common_usage();
/* Allow the application to print its usage message too if hook is set */
if ( rte_application_usage_hook ) {
printf("===== Application Usage =====\n\n");
return old_func;
}
-/*
- * Parse the coremask given as argument (hexadecimal string) and fill
- * the global configuration (core role and core count) with the parsed
- * value.
- */
-static int xdigit2val(unsigned char c)
-{
- int val;
- if(isdigit(c))
- val = c - '0';
- else if(isupper(c))
- val = c - 'A' + 10;
- else
- val = c - 'a' + 10;
- return val;
-}
-static int
-eal_parse_coremask(const char *coremask)
-{
- struct rte_config *cfg = rte_eal_get_configuration();
- int i, j, idx = 0 ;
- unsigned count = 0;
- char c;
- int val;
-
- if (coremask == NULL)
- return -1;
- /* Remove all blank characters ahead and after .
- * Remove 0x/0X if exists.
- */
- while (isblank(*coremask))
- coremask++;
- if (coremask[0] == '0' && ((coremask[1] == 'x')
- || (coremask[1] == 'X')) )
- coremask += 2;
- i = strnlen(coremask, sysconf(_SC_ARG_MAX));
- while ((i > 0) && isblank(coremask[i - 1]))
- i--;
- if (i == 0)
- return -1;
-
- for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
- c = coremask[i];
- if (isxdigit(c) == 0) {
- /* invalid characters */
- return (-1);
- }
- val = xdigit2val(c);
- for(j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++) {
- if((1 << j) & val) {
- cfg->lcore_role[idx] = ROLE_RTE;
- if(count == 0)
- cfg->master_lcore = idx;
- count++;
- } else {
- cfg->lcore_role[idx] = ROLE_OFF;
- }
- }
- }
- for(; i >= 0; i--)
- if(coremask[i] != '0')
- return -1;
- for(; idx < RTE_MAX_LCORE; idx++)
- cfg->lcore_role[idx] = ROLE_OFF;
- if(count == 0)
- return -1;
- return 0;
-}
-
-static int
-eal_parse_syslog(const char *facility)
-{
- int i;
- static struct {
- const char *name;
- int value;
- } map[] = {
- { "auth", LOG_AUTH },
- { "cron", LOG_CRON },
- { "daemon", LOG_DAEMON },
- { "ftp", LOG_FTP },
- { "kern", LOG_KERN },
- { "lpr", LOG_LPR },
- { "mail", LOG_MAIL },
- { "news", LOG_NEWS },
- { "syslog", LOG_SYSLOG },
- { "user", LOG_USER },
- { "uucp", LOG_UUCP },
- { "local0", LOG_LOCAL0 },
- { "local1", LOG_LOCAL1 },
- { "local2", LOG_LOCAL2 },
- { "local3", LOG_LOCAL3 },
- { "local4", LOG_LOCAL4 },
- { "local5", LOG_LOCAL5 },
- { "local6", LOG_LOCAL6 },
- { "local7", LOG_LOCAL7 },
- { NULL, 0 }
- };
-
- for (i = 0; map[i].name; i++) {
- if (!strcmp(facility, map[i].name)) {
- internal_config.syslog_facility = map[i].value;
- return 0;
- }
- }
- return -1;
-}
-
static inline size_t
eal_get_hugepage_mem_size(void)
{
for (i = 0; i < internal_config.num_hugepage_sizes; i++) {
struct hugepage_info *hpi = &internal_config.hugepage_info[i];
- if (hpi->hugedir != NULL) {
+ if (strnlen(hpi->hugedir, sizeof(hpi->hugedir)) != 0) {
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;
}
-static enum rte_proc_type_t
-eal_parse_proc_type(const char *arg)
+/* Parse the arguments for --log-level only */
+static void
+eal_log_level_parse(int argc, char **argv)
{
- if (strncasecmp(arg, "primary", sizeof("primary")) == 0)
- return RTE_PROC_PRIMARY;
- if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0)
- return RTE_PROC_SECONDARY;
- if (strncasecmp(arg, "auto", sizeof("auto")) == 0)
- return RTE_PROC_AUTO;
+ int opt;
+ char **argvopt;
+ int option_index;
+ const int old_optind = optind;
+ const int old_optopt = optopt;
+ const int old_optreset = optreset;
+ char * const old_optarg = optarg;
+
+ argvopt = argv;
+ optind = 1;
+ optreset = 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 RTE_PROC_INVALID;
+ /* restore getopt lib */
+ optind = old_optind;
+ optopt = old_optopt;
+ optreset = old_optreset;
+ 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];
- static struct option lgopts[] = {
- {OPT_NO_HUGE, 0, 0, 0},
- {OPT_NO_PCI, 0, 0, 0},
- {OPT_NO_HPET, 0, 0, 0},
- {OPT_VMWARE_TSC_MAP, 0, 0, 0},
- {OPT_HUGE_DIR, 1, 0, 0},
- {OPT_NO_SHCONF, 0, 0, 0},
- {OPT_PROC_TYPE, 1, 0, 0},
- {OPT_FILE_PREFIX, 1, 0, 0},
- {OPT_SOCKET_MEM, 1, 0, 0},
- {OPT_PCI_WHITELIST, 1, 0, 0},
- {OPT_PCI_BLACKLIST, 1, 0, 0},
- {OPT_VDEV, 1, 0, 0},
- {OPT_SYSLOG, 1, NULL, 0},
- {0, 0, 0, 0}
- };
+ const int old_optind = optind;
+ const int old_optopt = optopt;
+ const int old_optreset = optreset;
+ char * const old_optarg = optarg;
argvopt = argv;
+ optind = 1;
+ optreset = 1;
- 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;
-#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 = 0;
+ while ((opt = getopt_long(argc, argvopt, eal_short_options,
+ eal_long_options, &option_index)) != EOF) {
- internal_config.vmware_tsc_map = 0;
+ /* getopt is not happy, stop right now */
+ if (opt == '?') {
+ eal_usage(prgname);
+ ret = -1;
+ goto out;
+ }
- while ((opt = getopt_long(argc, argvopt, "b:w:c:m:n:r:v",
- lgopts, &option_index)) != EOF) {
+ ret = eal_parse_common_option(opt, optarg, &internal_config);
+ /* common parser is not happy */
+ if (ret < 0) {
+ eal_usage(prgname);
+ ret = -1;
+ goto out;
+ }
+ /* common parser handled this option */
+ if (ret == 0)
+ continue;
switch (opt) {
- /* blacklist */
- case 'b':
- if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
- optarg) < 0) {
- eal_usage(prgname);
- return (-1);
- }
- break;
- /* whitelist */
- case 'w':
- if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI,
- optarg) < 0) {
- eal_usage(prgname);
- return -1;
- }
- break;
- /* coremask */
- case 'c':
- if (eal_parse_coremask(optarg) < 0) {
- RTE_LOG(ERR, EAL, "invalid coremask\n");
- eal_usage(prgname);
- return -1;
- }
- coremask_ok = 1;
- break;
- /* size of memory */
- case 'm':
- internal_config.memory = atoi(optarg);
- internal_config.memory *= 1024ULL;
- internal_config.memory *= 1024ULL;
- break;
- /* force number of channels */
- case 'n':
- internal_config.force_nchannel = atoi(optarg);
- if (internal_config.force_nchannel == 0 ||
- internal_config.force_nchannel > 4) {
- RTE_LOG(ERR, EAL, "invalid channel number\n");
- eal_usage(prgname);
- return -1;
- }
- break;
- /* force number of ranks */
- case 'r':
- internal_config.force_nrank = atoi(optarg);
- if (internal_config.force_nrank == 0 ||
- internal_config.force_nrank > 16) {
- RTE_LOG(ERR, EAL, "invalid rank number\n");
- eal_usage(prgname);
- return -1;
- }
- break;
- case 'v':
- /* since message is explicitly requested by user, we
- * write message at highest log level so it can always be seen
- * even if info or warning messages are disabled */
- RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
- break;
-
- /* long options */
- case 0:
- if (!strcmp(lgopts[option_index].name, OPT_NO_HUGE)) {
- internal_config.no_hugetlbfs = 1;
- }
- else if (!strcmp(lgopts[option_index].name, OPT_NO_PCI)) {
- internal_config.no_pci = 1;
- }
- else if (!strcmp(lgopts[option_index].name, OPT_NO_HPET)) {
- internal_config.no_hpet = 1;
- }
- else if (!strcmp(lgopts[option_index].name, OPT_VMWARE_TSC_MAP)) {
- internal_config.vmware_tsc_map = 1;
- }
- else if (!strcmp(lgopts[option_index].name, OPT_NO_SHCONF)) {
- internal_config.no_shconf = 1;
- }
- else if (!strcmp(lgopts[option_index].name, OPT_HUGE_DIR)) {
- RTE_LOG(ERR, EAL, "Option "OPT_HUGE_DIR" is not supported on"
- "FreeBSD\n");
- return -1;
- }
- else if (!strcmp(lgopts[option_index].name, OPT_PROC_TYPE)) {
- internal_config.process_type = eal_parse_proc_type(optarg);
- }
- else if (!strcmp(lgopts[option_index].name, OPT_FILE_PREFIX)) {
- RTE_LOG(ERR, EAL, "Option "OPT_FILE_PREFIX" is not supported on"
- "FreeBSD\n");
- return -1;
- }
- else if (!strcmp(lgopts[option_index].name, OPT_SOCKET_MEM)) {
- RTE_LOG(ERR, EAL, "Option "OPT_SOCKET_MEM" is not supported on"
- "FreeBSD\n");
- return -1;
- }
- else if (!strcmp(lgopts[option_index].name, OPT_USE_DEVICE)) {
- printf("The --use-device option is deprecated, please use\n"
- "--whitelist or --vdev instead.\n");
- eal_usage(prgname);
- return -1;
- }
- else if (!strcmp(lgopts[option_index].name, OPT_PCI_BLACKLIST)) {
- if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
- optarg) < 0) {
- eal_usage(prgname);
- return -1;
- }
- }
- else if (!strcmp(lgopts[option_index].name, OPT_PCI_WHITELIST)) {
- if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI,
- optarg) < 0) {
- eal_usage(prgname);
- return -1;
- }
- }
- else if (!strcmp(lgopts[option_index].name, OPT_VDEV)) {
- if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL,
- optarg) < 0) {
- eal_usage(prgname);
- return -1;
- }
- }
- else if (!strcmp(lgopts[option_index].name, OPT_SYSLOG)) {
- if (eal_parse_syslog(optarg) < 0) {
- RTE_LOG(ERR, EAL, "invalid parameters for --"
- OPT_SYSLOG "\n");
- eal_usage(prgname);
- return -1;
- }
- }
+ case OPT_MBUF_POOL_OPS_NAME_NUM:
+ internal_config.user_mbuf_pool_ops_name =
+ strdup(optarg);
break;
-
+ case 'h':
+ eal_usage(prgname);
+ exit(EXIT_SUCCESS);
default:
+ if (opt < OPT_LONG_MIN_NUM && isprint(opt)) {
+ RTE_LOG(ERR, EAL, "Option %c is not supported "
+ "on FreeBSD\n", opt);
+ } else if (opt >= OPT_LONG_MIN_NUM &&
+ opt < OPT_LONG_MAX_NUM) {
+ RTE_LOG(ERR, EAL, "Option %s is not supported "
+ "on FreeBSD\n",
+ eal_long_options[option_index].name);
+ } else {
+ RTE_LOG(ERR, EAL, "Option %d is not supported "
+ "on FreeBSD\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;
+ /* create runtime data directory */
+ if (internal_config.no_shconf == 0 &&
+ eal_create_runtime_dir() < 0) {
+ RTE_LOG(ERR, EAL, "Cannot create runtime directory\n");
+ ret = -1;
+ goto out;
}
- 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;
+
+ 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;
+ optreset = old_optreset;
+ 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
sync_func(__attribute__((unused)) void *arg)
{
}
/* Abstraction for port I/0 privilege */
-static int
+int
rte_eal_iopl_init(void)
{
- int fd = -1;
+ static int fd;
+
fd = open("/dev/io", O_RDWR);
if (fd < 0)
return -1;
+ /* keep fd open for iopl */
return 0;
}
+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
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);
+ 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;
+ }
thread_id = pthread_self();
- if (rte_eal_log_early_init() < 0)
- rte_panic("Cannot init early logs\n");
+ eal_reset_internal_config(&internal_config);
+
+ /* 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;
+ }
+
+ /* FreeBSD always uses legacy memory model */
+ internal_config.legacy_mem = true;
+
+ 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();
+
+ if (rte_eal_intr_init() < 0) {
+ rte_eal_init_alert("Cannot init interrupt-handling thread\n");
+ return -1;
+ }
- if (internal_config.no_hugetlbfs == 0 &&
- internal_config.process_type != RTE_PROC_SECONDARY &&
- eal_hugepage_info_init() < 0)
- rte_panic("Cannot get hugepage information\n");
+ /* 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;
+ }
+
+ /* autodetect the iova mapping mode (default is iova_pa) */
+ rte_eal_get_configuration()->iova_mode = rte_bus_get_iommu_class();
+
+ 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)
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_memory_init() < 0)
- rte_panic("Cannot init memory\n");
-
- 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");
-
-/* if (rte_eal_log_init(argv[0], internal_config.syslog_facility) < 0)
- rte_panic("Cannot init logs\n");*/
+ /* 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_alarm_init() < 0)
- rte_panic("Cannot init interrupt-handling thread\n");
+ if (rte_eal_memory_init() < 0) {
+ rte_eal_init_alert("Cannot init memory\n");
+ rte_errno = ENOMEM;
+ return -1;
+ }
- if (rte_eal_intr_init() < 0)
- rte_panic("Cannot init interrupt-handling thread\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_timer_init() < 0)
- rte_panic("Cannot init HPET or TSC timers\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_pci_init() < 0)
- rte_panic("Cannot init PCI\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;
+ }
- RTE_LOG(DEBUG, EAL, "Master core %u is ready (tid=%p)\n",
- rte_config.master_lcore, thread_id);
+ 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();
+ eal_thread_init_master(rte_config.master_lcore);
- if (rte_eal_dev_init(PMD_INIT_PRE_PCI_PROBE) < 0)
- rte_panic("Cannot init pmd devices\n");
+ ret = eal_thread_dump_affinity(cpuset, sizeof(cpuset));
+
+ RTE_LOG(DEBUG, EAL, "Master lcore %u is ready (tid=%p;cpuset=[%s%s])\n",
+ rte_config.master_lcore, thread_id, cpuset,
+ ret == 0 ? "" : "...");
RTE_LCORE_FOREACH_SLAVE(i) {
eal_thread_loop, NULL);
if (ret != 0)
rte_panic("Cannot create thread\n");
- }
- eal_thread_init_master(rte_config.master_lcore);
+ /* Set thread_name for aid in debugging. */
+ snprintf(thread_name, sizeof(thread_name),
+ "lcore-slave-%d", i);
+ rte_thread_setname(lcore_config[i].thread_id, thread_name);
+ }
/*
* Launch a dummy function on all slave lcores, so that master lcore
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;
+ }
- /* Initialize any outstanding devices */
- if (rte_eal_dev_init(PMD_INIT_POST_PCI_PROBE) < 0)
- rte_panic("Cannot init pmd devices\n");
+ /* 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;
+ }
+
+ /* 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_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 RTE_INTR_MODE_NONE;
+}
+
+int rte_vfio_setup_device(__rte_unused const char *sysfs_base,
+ __rte_unused const char *dev_addr,
+ __rte_unused int *vfio_dev_fd,
+ __rte_unused struct vfio_device_info *device_info)
+{
+ return -1;
+}
+
+int rte_vfio_release_device(__rte_unused const char *sysfs_base,
+ __rte_unused const char *dev_addr,
+ __rte_unused int fd)
+{
+ return -1;
+}
+
+int rte_vfio_enable(__rte_unused const char *modname)
+{
+ return -1;
+}
+
+int rte_vfio_is_enabled(__rte_unused const char *modname)
+{
+ return 0;
+}
+
+int rte_vfio_noiommu_is_enabled(void)
+{
+ return 0;
+}
+
+int rte_vfio_clear_group(__rte_unused int vfio_group_fd)
+{
+ return 0;
+}
+
+int
+rte_vfio_dma_map(uint64_t __rte_unused vaddr, __rte_unused uint64_t iova,
+ __rte_unused uint64_t len)
+{
+ return -1;
+}
+
+int
+rte_vfio_dma_unmap(uint64_t __rte_unused vaddr, uint64_t __rte_unused iova,
+ __rte_unused uint64_t len)
+{
+ return -1;
+}
+
+int
+rte_vfio_get_group_num(__rte_unused const char *sysfs_base,
+ __rte_unused const char *dev_addr,
+ __rte_unused int *iommu_group_num)
+{
+ return -1;
}
+int
+rte_vfio_get_container_fd(void)
+{
+ return -1;
+}
+
+int
+rte_vfio_get_group_fd(__rte_unused int iommu_group_num)
+{
+ return -1;
+}
+
+int
+rte_vfio_container_create(void)
+{
+ return -1;
+}
+
+int
+rte_vfio_container_destroy(__rte_unused int container_fd)
+{
+ return -1;
+}
+
+int
+rte_vfio_container_group_bind(__rte_unused int container_fd,
+ __rte_unused int iommu_group_num)
+{
+ return -1;
+}
+
+int
+rte_vfio_container_group_unbind(__rte_unused int container_fd,
+ __rte_unused int iommu_group_num)
+{
+ return -1;
+}
+
+int
+rte_vfio_container_dma_map(__rte_unused int container_fd,
+ __rte_unused uint64_t vaddr,
+ __rte_unused uint64_t iova,
+ __rte_unused uint64_t len)
+{
+ return -1;
+}
+
+int
+rte_vfio_container_dma_unmap(__rte_unused int container_fd,
+ __rte_unused uint64_t vaddr,
+ __rte_unused uint64_t iova,
+ __rte_unused uint64_t len)
+{
+ return -1;
+}
git.droids-corp.org / dpdk.git / blobdiff