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iscsi: Separate set params from create pools at subsystem initialization

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Change-Id: Ib540126d24a03ccd5f2a2ff01f36593f42520407
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/408452
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
This commit is contained in:
Shuhei Matsumoto 2018-05-04 10:57:04 +09:00 committed by Jim Harris
parent bf9806d533
commit 8712f366e0
1 changed files with 51 additions and 40 deletions
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91
lib/iscsi/iscsi_subsystem.c
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@ -761,10 +761,8 @@ spdk_iscsi_read_config_file_params(struct spdk_conf_section *sp,
}
static int
spdk_iscsi_initialize_iscsi_globals(struct spdk_iscsi_opts *opts)
spdk_iscsi_set_global_params(struct spdk_iscsi_opts *opts)
{
int rc;
if (!opts->authfile) {
SPDK_ERRLOG("opts->authfile is NULL\n");
return -EINVAL;
@ -811,31 +809,36 @@ spdk_iscsi_initialize_iscsi_globals(struct spdk_iscsi_opts *opts)
spdk_iscsi_conn_set_min_per_core(opts->min_connections_per_core);
g_spdk_iscsi.session = spdk_dma_zmalloc(sizeof(void *) * g_spdk_iscsi.MaxSessions, 0, NULL);
if (!g_spdk_iscsi.session) {
SPDK_ERRLOG("spdk_dma_zmalloc() failed for session array\n");
return -1;
}
/*
* For now, just support same number of total connections, rather
* than MaxSessions * MaxConnectionsPerSession. After we add better
* handling for low resource conditions from our various buffer
* pools, we can bump this up to support more connections.
*/
g_spdk_iscsi.MaxConnections = g_spdk_iscsi.MaxSessions;
rc = spdk_iscsi_initialize_all_pools();
if (rc != 0) {
SPDK_ERRLOG("spdk_initialize_all_pools() failed\n");
return -1;
}
spdk_iscsi_log_globals();
return 0;
}
static int
spdk_iscsi_initialize_global_params(void)
{
struct spdk_conf_section *sp;
struct spdk_iscsi_opts opts;
int rc;
spdk_iscsi_opts_init(&opts);
/* Process parameters */
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "spdk_iscsi_read_config_file_parmas\n");
sp = spdk_conf_find_section(NULL, "iSCSI");
if (sp != NULL) {
spdk_iscsi_read_config_file_params(sp, &opts);
}
rc = spdk_iscsi_set_global_params(&opts);
spdk_iscsi_opts_free(&opts);
if (rc != 0) {
SPDK_ERRLOG("spdk_iscsi_set_global_params() failed\n");
}
return 0;
}
static void
spdk_iscsi_init_complete(int rc)
{
@ -936,7 +939,7 @@ spdk_initialize_iscsi_poll_group(spdk_thread_fn cpl)
}
static void
spdk_iscsi_parse_iscsi_configuration(void *ctx)
spdk_iscsi_parse_configuration(void *ctx)
{
int rc;
@ -962,26 +965,34 @@ end:
}
static int
spdk_iscsi_parse_iscsi_globals(void)
spdk_iscsi_parse_globals(void)
{
struct spdk_conf_section *sp;
struct spdk_iscsi_opts opts;
int rc;
spdk_iscsi_opts_init(&opts);
/* Process parameters */
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "spdk_iscsi_read_config_file_parmas\n");
sp = spdk_conf_find_section(NULL, "iSCSI");
if (sp != NULL) {
spdk_iscsi_read_config_file_params(sp, &opts);
rc = spdk_iscsi_initialize_global_params();
if (rc != 0) {
SPDK_ERRLOG("spdk_iscsi_initialize_iscsi_global_params() failed\n");
return rc;
}
rc = spdk_iscsi_initialize_iscsi_globals(&opts);
spdk_iscsi_opts_free(&opts);
g_spdk_iscsi.session = spdk_dma_zmalloc(sizeof(void *) * g_spdk_iscsi.MaxSessions, 0, NULL);
if (!g_spdk_iscsi.session) {
SPDK_ERRLOG("spdk_dma_zmalloc() failed for session array\n");
return -1;
}
/*
* For now, just support same number of total connections, rather
* than MaxSessions * MaxConnectionsPerSession. After we add better
* handling for low resource conditions from our various buffer
* pools, we can bump this up to support more connections.
*/
g_spdk_iscsi.MaxConnections = g_spdk_iscsi.MaxSessions;
rc = spdk_iscsi_initialize_all_pools();
if (rc != 0) {
SPDK_ERRLOG("spdk_iscsi_initialize_iscsi_globals() failed\n");
return rc;
SPDK_ERRLOG("spdk_initialize_all_pools() failed\n");
return -1;
}
rc = spdk_initialize_iscsi_conns();
@ -990,7 +1001,7 @@ spdk_iscsi_parse_iscsi_globals(void)
return rc;
}
spdk_initialize_iscsi_poll_group(spdk_iscsi_parse_iscsi_configuration);
spdk_initialize_iscsi_poll_group(spdk_iscsi_parse_configuration);
return 0;
}
@ -1003,7 +1014,7 @@ spdk_iscsi_init(spdk_iscsi_init_cb cb_fn, void *cb_arg)
g_init_cb_fn = cb_fn;
g_init_cb_arg = cb_arg;
rc = spdk_iscsi_parse_iscsi_globals();
rc = spdk_iscsi_parse_globals();
if (rc < 0) {
SPDK_ERRLOG("spdk_iscsi_parse_globals() failed\n");
spdk_iscsi_init_complete(-1);