static void spdk_nvmf_conn_destruct(struct spdk_nvmf_conn *conn)
{
struct spdk_event *event;
SPDK_TRACELOG(SPDK_TRACE_DEBUG, "conn %p\n", conn);
conn->state = CONN_STATE_INVALID;
event = spdk_event_allocate(rte_lcore_id(), _conn_destruct, conn, NULL, NULL);
spdk_poller_unregister(&conn->poller, event);
rte_atomic32_dec(&g_num_connections[rte_lcore_id()]);
}
int
spdk_app_start(spdk_event_fn start_fn, void *arg1, void *arg2)
{
spdk_event_t event;
g_spdk_app.rc = 0;
event = spdk_event_allocate(rte_get_master_lcore(), start_fn,
arg1, arg2, NULL);
/* Queues up the event, but can't run it until the reactors start */
spdk_event_call(event);
/* This blocks until spdk_app_stop is called */
spdk_reactors_start();
return g_spdk_app.rc;
}
static void
blockdev_read(struct io_target *target, char *rx_buf,
uint64_t offset, int data_len)
{
struct bdevio_request req;
spdk_event_t event;
req.target = target;
req.buf = rx_buf;
req.data_len = data_len;
req.offset = offset;
g_completion_status = SPDK_BDEV_IO_STATUS_FAILED;
event = spdk_event_allocate(1, __blockdev_read, &req, NULL, NULL);
pthread_mutex_lock(&g_test_mutex);
spdk_event_call(event);
pthread_cond_wait(&g_test_cond, &g_test_mutex);
pthread_mutex_unlock(&g_test_mutex);
}
void
spdk_app_init(struct spdk_app_opts *opts)
{
struct spdk_conf *config;
struct spdk_conf_section *sp;
struct sigaction sigact;
sigset_t signew;
char shm_name[64];
int rc;
uint64_t tpoint_group_mask;
char *end;
if (opts->enable_coredump) {
struct rlimit core_limits;
core_limits.rlim_cur = core_limits.rlim_max = RLIM_INFINITY;
setrlimit(RLIMIT_CORE, &core_limits);
}
config = spdk_conf_allocate();
RTE_VERIFY(config != NULL);
if (opts->config_file) {
rc = spdk_conf_read(config, opts->config_file);
if (rc != 0) {
fprintf(stderr, "Could not read config file %s\n", opts->config_file);
exit(EXIT_FAILURE);
}
if (config->section == NULL) {
fprintf(stderr, "Invalid config file %s\n", opts->config_file);
exit(EXIT_FAILURE);
}
}
spdk_conf_set_as_default(config);
if (opts->instance_id == -1) {
sp = spdk_conf_find_section(config, "Global");
if (sp != NULL) {
opts->instance_id = spdk_conf_section_get_intval(sp, "InstanceID");
}
}
if (opts->instance_id < 0) {
opts->instance_id = 0;
}
memset(&g_spdk_app, 0, sizeof(g_spdk_app));
g_spdk_app.config = config;
g_spdk_app.instance_id = opts->instance_id;
g_spdk_app.shutdown_cb = opts->shutdown_cb;
snprintf(g_spdk_app.pidfile, sizeof(g_spdk_app.pidfile), "%s/%s.pid.%d",
SPDK_APP_PIDFILE_PREFIX, opts->name, opts->instance_id);
spdk_app_write_pidfile();
/* open log files */
if (opts->log_facility == NULL) {
opts->log_facility = spdk_get_log_facility(g_spdk_app.config);
if (opts->log_facility == NULL) {
fprintf(stderr, "NULL logfacility\n");
spdk_conf_free(g_spdk_app.config);
exit(EXIT_FAILURE);
}
}
rc = spdk_set_log_facility(opts->log_facility);
if (rc < 0) {
fprintf(stderr, "log facility error\n");
spdk_conf_free(g_spdk_app.config);
exit(EXIT_FAILURE);
}
rc = spdk_set_log_priority(SPDK_APP_DEFAULT_LOG_PRIORITY);
if (rc < 0) {
fprintf(stderr, "log priority error\n");
spdk_conf_free(g_spdk_app.config);
exit(EXIT_FAILURE);
}
spdk_open_log();
if (opts->reactor_mask == NULL) {
sp = spdk_conf_find_section(g_spdk_app.config, "Global");
if (sp != NULL) {
if (spdk_conf_section_get_val(sp, "ReactorMask")) {
opts->reactor_mask = spdk_conf_section_get_val(sp, "ReactorMask");
} else {
opts->reactor_mask = SPDK_APP_DPDK_DEFAULT_CORE_MASK;
}
} else {
opts->reactor_mask = SPDK_APP_DPDK_DEFAULT_CORE_MASK;
}
}
spdk_dpdk_framework_init(opts);
/*
* If mask not specified on command line or in configuration file,
* reactor_mask will be NULL which will enable all cores to run
* reactors.
*/
if (spdk_reactors_init(opts->reactor_mask)) {
fprintf(stderr, "Invalid reactor mask.\n");
exit(EXIT_FAILURE);
}
/* setup signal handler thread */
pthread_sigmask(SIG_SETMASK, NULL, &signew);
memset(&sigact, 0, sizeof(sigact));
sigact.sa_handler = SIG_IGN;
sigemptyset(&sigact.sa_mask);
rc = sigaction(SIGPIPE, &sigact, NULL);
if (rc < 0) {
SPDK_ERRLOG("sigaction(SIGPIPE) failed\n");
exit(EXIT_FAILURE);
}
if (opts->shutdown_cb != NULL) {
g_shutdown_event = spdk_event_allocate(rte_lcore_id(), __shutdown_event_cb,
NULL, NULL, NULL);
sigact.sa_handler = __shutdown_signal;
sigemptyset(&sigact.sa_mask);
rc = sigaction(SIGINT, &sigact, NULL);
if (rc < 0) {
SPDK_ERRLOG("sigaction(SIGINT) failed\n");
exit(EXIT_FAILURE);
}
sigaddset(&signew, SIGINT);
sigact.sa_handler = __shutdown_signal;
sigemptyset(&sigact.sa_mask);
rc = sigaction(SIGTERM, &sigact, NULL);
if (rc < 0) {
SPDK_ERRLOG("sigaction(SIGTERM) failed\n");
exit(EXIT_FAILURE);
}
sigaddset(&signew, SIGTERM);
}
if (opts->usr1_handler != NULL) {
sigact.sa_handler = opts->usr1_handler;
sigemptyset(&sigact.sa_mask);
rc = sigaction(SIGUSR1, &sigact, NULL);
if (rc < 0) {
SPDK_ERRLOG("sigaction(SIGUSR1) failed\n");
exit(EXIT_FAILURE);
}
sigaddset(&signew, SIGUSR1);
}
sigaddset(&signew, SIGQUIT);
sigaddset(&signew, SIGHUP);
pthread_sigmask(SIG_SETMASK, &signew, NULL);
snprintf(shm_name, sizeof(shm_name), "/%s_trace.%d", opts->name, opts->instance_id);
spdk_trace_init(shm_name);
if (opts->tpoint_group_mask == NULL) {
sp = spdk_conf_find_section(g_spdk_app.config, "Global");
if (sp != NULL) {
opts->tpoint_group_mask = spdk_conf_section_get_val(sp, "TpointGroupMask");
}
}
if (opts->tpoint_group_mask != NULL) {
errno = 0;
tpoint_group_mask = strtoull(opts->tpoint_group_mask, &end, 16);
if (*end != '\0' || errno) {
SPDK_ERRLOG("invalid tpoint mask %s\n", opts->tpoint_group_mask);
} else {
spdk_trace_set_tpoint_group_mask(tpoint_group_mask);
}
}
rc = spdk_subsystem_init();
if (rc < 0) {
SPDK_ERRLOG("spdk_subsystem_init() failed\n");
exit(EXIT_FAILURE);
}
}
