static int blockdev_malloc_initialize(void)
{
struct spdk_conf_section *sp = spdk_conf_find_section(NULL, "Malloc");
int NumberOfLuns, LunSizeInMB, BlockSize, i;
uint64_t size;
struct malloc_disk *mdisk;
if (sp != NULL) {
NumberOfLuns = spdk_conf_section_get_intval(sp, "NumberOfLuns");
LunSizeInMB = spdk_conf_section_get_intval(sp, "LunSizeInMB");
BlockSize = spdk_conf_section_get_intval(sp, "BlockSize");
if ((NumberOfLuns < 1) || (LunSizeInMB < 1)) {
SPDK_ERRLOG("Malloc section present, but no devices specified\n");
return EINVAL;
}
if (BlockSize < 1) {
/* Default is 512 bytes */
BlockSize = 512;
}
size = (uint64_t)LunSizeInMB * 1024 * 1024;
for (i = 0; i < NumberOfLuns; i++) {
mdisk = create_malloc_disk(size / BlockSize, BlockSize);
if (mdisk == NULL) {
SPDK_ERRLOG("Could not create malloc disk\n");
return EINVAL;
}
}
}
return 0;
}
static int
spdk_nvmf_parse_nvmf_tgt(void)
{
struct spdk_conf_section *sp;
char *nodebase;
int max_in_capsule_data;
int max_sessions_per_subsystem;
int max_queue_depth;
int max_conn_per_sess;
int max_recv_seg_len;
int listen_port;
int rc;
sp = spdk_conf_find_section(NULL, "Nvmf");
if (sp == NULL) {
SPDK_ERRLOG("No Nvmf section in configuration file.\n");
return -1;
}
nodebase = spdk_conf_section_get_val(sp, "NodeBase");
if (nodebase == NULL) {
nodebase = SPDK_NVMF_DEFAULT_NODEBASE;
}
max_in_capsule_data = spdk_conf_section_get_intval(sp, "MaxInCapsuleData");
if (max_in_capsule_data < 0) {
max_in_capsule_data = SPDK_NVMF_DEFAULT_IN_CAPSULE_DATA_SIZE;
}
max_sessions_per_subsystem = spdk_conf_section_get_intval(sp, "MaxSessionsPerSubsystem");
if (max_sessions_per_subsystem < 0) {
max_sessions_per_subsystem = SPDK_NVMF_DEFAULT_MAX_SESSIONS_PER_SUBSYSTEM;
}
max_queue_depth = spdk_conf_section_get_intval(sp, "MaxQueueDepth");
if (max_queue_depth < 0) {
max_queue_depth = SPDK_NVMF_DEFAULT_MAX_QUEUE_DEPTH;
}
max_conn_per_sess = spdk_conf_section_get_intval(sp, "MaxConnectionsPerSession");
if (max_conn_per_sess < 0) {
max_conn_per_sess = SPDK_NVMF_DEFAULT_MAX_CONNECTIONS_PER_SESSION;
}
max_recv_seg_len = SPDK_NVMF_MAX_RECV_DATA_TRANSFER_SIZE;
listen_port = SPDK_NVMF_DEFAULT_SIN_PORT;
rc = nvmf_tgt_init(nodebase, max_in_capsule_data, max_sessions_per_subsystem,
max_queue_depth, max_conn_per_sess, max_recv_seg_len, listen_port);
return rc;
}
static int
spdk_read_config_scsi_parameters(void)
{
struct spdk_conf_section *sp;
const char *val;
sp = spdk_conf_find_section(NULL, "Scsi");
if (sp == NULL) {
spdk_set_default_scsi_parameters();
return 0;
}
val = spdk_conf_section_get_val(sp, "MaxUnmapLbaCount");
g_spdk_scsi.scsi_params.max_unmap_lba_count = (val == NULL) ?
DEFAULT_MAX_UNMAP_LBA_COUNT : strtoul(val, NULL, 10);
val = spdk_conf_section_get_val(sp, "MaxUnmapBlockDescriptorCount");
g_spdk_scsi.scsi_params.max_unmap_block_descriptor_count = (val == NULL) ?
DEFAULT_MAX_UNMAP_BLOCK_DESCRIPTOR_COUNT : strtoul(val, NULL, 10);
val = spdk_conf_section_get_val(sp, "OptimalUnmapGranularity");
g_spdk_scsi.scsi_params.optimal_unmap_granularity = (val == NULL) ?
DEFAULT_OPTIMAL_UNMAP_GRANULARITY : strtoul(val, NULL, 10);
val = spdk_conf_section_get_val(sp, "UnmapGranularityAlignment");
g_spdk_scsi.scsi_params.unmap_granularity_alignment = (val == NULL) ?
DEFAULT_UNMAP_GRANULARITY_ALIGNMENT : strtoul(val, NULL, 10);
val = spdk_conf_section_get_val(sp, "Ugavalid");
if (val == NULL) {
g_spdk_scsi.scsi_params.ugavalid = DEFAULT_UGAVALID;
} else if (strcasecmp(val, "Yes") == 0) {
g_spdk_scsi.scsi_params.ugavalid = 1;
} else if (strcasecmp(val, "No") == 0) {
g_spdk_scsi.scsi_params.ugavalid = 0;
} else {
SPDK_ERRLOG("unknown value %s\n", val);
return -1;
}
val = spdk_conf_section_get_val(sp, "MaxWriteSameLength");
g_spdk_scsi.scsi_params.max_write_same_length = (val == NULL) ?
DEFAULT_MAX_WRITE_SAME_LENGTH : strtoul(val, NULL, 10);
return 0;
}
static const char *
spdk_get_log_facility(struct spdk_conf *config)
{
struct spdk_conf_section *sp;
const char *logfacility;
sp = spdk_conf_find_section(config, "Global");
if (sp == NULL) {
return SPDK_APP_DEFAULT_LOG_FACILITY;
}
logfacility = spdk_conf_section_get_val(sp, "LogFacility");
if (logfacility == NULL) {
return SPDK_APP_DEFAULT_LOG_FACILITY;
}
return logfacility;
}
static int blockdev_aio_initialize(void)
{
struct spdk_bdev *bdev;
int i;
const char *val = NULL;
char *file;
struct spdk_conf_section *sp = spdk_conf_find_section(NULL, "AIO");
bool skip_missing = false;
if (sp != NULL) {
val = spdk_conf_section_get_val(sp, "SkipMissingFiles");
}
if (val != NULL && !strcmp(val, "Yes")) {
skip_missing = true;
}
if (sp != NULL) {
for (i = 0; ; i++) {
val = spdk_conf_section_get_nval(sp, "AIO", i);
if (val == NULL)
break;
file = spdk_conf_section_get_nmval(sp, "AIO", i, 0);
if (file == NULL) {
SPDK_ERRLOG("AIO%d: format error\n", i);
return -1;
}
bdev = create_aio_disk(file);
if (bdev == NULL && !skip_missing) {
return -1;
}
}
}
return 0;
}
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);
}
}
static int
parse_line(struct spdk_conf *cp, char *lp)
{
struct spdk_conf_section *sp;
struct spdk_conf_item *ip;
struct spdk_conf_value *vp;
char *arg;
char *key;
char *val;
char *p;
int num;
arg = spdk_str_trim(lp);
if (arg == NULL) {
fprintf(stderr, "no section\n");
return -1;
}
if (arg[0] == '[') {
/* section */
arg++;
key = spdk_strsepq(&arg, "]");
if (key == NULL || arg != NULL) {
fprintf(stderr, "broken section\n");
return -1;
}
/* determine section number */
for (p = key; *p != '\0' && !isdigit((int) *p); p++)
;
if (*p != '\0') {
num = (int)strtol(p, NULL, 10);
} else {
num = 0;
}
sp = spdk_conf_find_section(cp, key);
if (sp == NULL) {
sp = allocate_cf_section();
append_cf_section(cp, sp);
}
cp->current_section = sp;
sp->name = strdup(key);
if (sp->name == NULL) {
perror("strdup sp->name");
return -1;
}
sp->num = num;
} else {
/* parameters */
sp = cp->current_section;
if (sp == NULL) {
fprintf(stderr, "unknown section\n");
return -1;
}
key = spdk_strsepq(&arg, CF_DELIM);
if (key == NULL) {
fprintf(stderr, "broken key\n");
return -1;
}
ip = allocate_cf_item();
if (ip == NULL) {
fprintf(stderr, "cannot allocate cf item\n");
return -1;
}
append_cf_item(sp, ip);
ip->key = strdup(key);
if (ip->key == NULL) {
perror("strdup ip->key");
return -1;
}
ip->val = NULL;
if (arg != NULL) {
/* key has value(s) */
while (arg != NULL) {
val = spdk_strsepq(&arg, CF_DELIM);
vp = allocate_cf_value();
if (vp == NULL) {
fprintf(stderr,
"cannot allocate cf value\n");
return -1;
}
append_cf_value(ip, vp);
vp->value = strdup(val);
if (vp->value == NULL) {
perror("strdup vp->value");
return -1;
}
}
}
}
return 0;
}