numam-spdk/lib/iscsi/iscsi_subsystem.c
Shuhei Matsumoto cf95d4a24f sock: Fix return value of spdk_sock_group_poll to return number of events
spdk_sock_group_poll() and spdk_sock_group_poll_count() had returned
0 on success. The implementation didn't match the specification
described in the header file, and couldn't be used to collect stats
correctly because 0 means idle.

This patch fixes the return value of spdk_sock_group_poll() and
spdk_sock_group_poll_count() to return number of events and
the callers not to overwrite the return value by 0.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I7e2a17187fc74ea44d3acf2f35d63f5e5a254eda
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/463710
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
2019-08-02 00:19:43 +00:00

1525 lines
40 KiB
C

/*-
* BSD LICENSE
*
* Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
* Copyright (c) Intel Corporation.
* 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.
*/
#include "spdk/stdinc.h"
#include "spdk/env.h"
#include "spdk/string.h"
#include "spdk/sock.h"
#include "spdk/likely.h"
#include "iscsi/iscsi.h"
#include "iscsi/init_grp.h"
#include "iscsi/portal_grp.h"
#include "iscsi/conn.h"
#include "iscsi/task.h"
#include "iscsi/tgt_node.h"
#include "spdk_internal/event.h"
#include "spdk_internal/log.h"
struct spdk_iscsi_opts *g_spdk_iscsi_opts = NULL;
static spdk_iscsi_init_cb g_init_cb_fn = NULL;
static void *g_init_cb_arg = NULL;
static spdk_iscsi_fini_cb g_fini_cb_fn;
static void *g_fini_cb_arg;
#define ISCSI_CONFIG_TMPL \
"[iSCSI]\n" \
" # node name (not include optional part)\n" \
" # Users can optionally change this to fit their environment.\n" \
" NodeBase \"%s\"\n" \
"\n" \
" # files\n" \
" %s %s\n" \
"\n" \
" # socket I/O timeout sec. (polling is infinity)\n" \
" Timeout %d\n" \
"\n" \
" # authentication information for discovery session\n" \
" DiscoveryAuthMethod %s\n" \
" DiscoveryAuthGroup %s\n" \
"\n" \
" MaxSessions %d\n" \
" MaxConnectionsPerSession %d\n" \
" MaxConnections %d\n" \
" MaxQueueDepth %d\n" \
"\n" \
" # iSCSI initial parameters negotiate with initiators\n" \
" # NOTE: incorrect values might crash\n" \
" DefaultTime2Wait %d\n" \
" DefaultTime2Retain %d\n" \
"\n" \
" FirstBurstLength %d\n" \
" ImmediateData %s\n" \
" ErrorRecoveryLevel %d\n" \
"\n"
static void
iscsi_globals_config_text(FILE *fp)
{
const char *authmethod = "None";
char authgroup[32] = "None";
if (NULL == fp) {
return;
}
if (g_spdk_iscsi.require_chap) {
authmethod = "CHAP";
} else if (g_spdk_iscsi.mutual_chap) {
authmethod = "CHAP Mutual";
} else if (!g_spdk_iscsi.disable_chap) {
authmethod = "Auto";
}
if (g_spdk_iscsi.chap_group) {
snprintf(authgroup, sizeof(authgroup), "AuthGroup%d", g_spdk_iscsi.chap_group);
}
fprintf(fp, ISCSI_CONFIG_TMPL,
g_spdk_iscsi.nodebase,
g_spdk_iscsi.authfile ? "AuthFile" : "",
g_spdk_iscsi.authfile ? g_spdk_iscsi.authfile : "",
g_spdk_iscsi.timeout, authmethod, authgroup,
g_spdk_iscsi.MaxSessions, g_spdk_iscsi.MaxConnectionsPerSession,
g_spdk_iscsi.MaxConnections,
g_spdk_iscsi.MaxQueueDepth,
g_spdk_iscsi.DefaultTime2Wait, g_spdk_iscsi.DefaultTime2Retain,
g_spdk_iscsi.FirstBurstLength,
(g_spdk_iscsi.ImmediateData) ? "Yes" : "No",
g_spdk_iscsi.ErrorRecoveryLevel);
}
#define ISCSI_DATA_BUFFER_ALIGNMENT (0x1000)
#define ISCSI_DATA_BUFFER_MASK (ISCSI_DATA_BUFFER_ALIGNMENT - 1)
static void
mobj_ctor(struct spdk_mempool *mp, __attribute__((unused)) void *arg,
void *_m, __attribute__((unused)) unsigned i)
{
struct spdk_mobj *m = _m;
m->mp = mp;
m->buf = (uint8_t *)m + sizeof(struct spdk_mobj);
m->buf = (void *)((unsigned long)((uint8_t *)m->buf + ISCSI_DATA_BUFFER_ALIGNMENT) &
~ISCSI_DATA_BUFFER_MASK);
}
#define NUM_PDU_PER_CONNECTION(iscsi) (2 * (iscsi->MaxQueueDepth + MAX_LARGE_DATAIN_PER_CONNECTION + 8))
#define PDU_POOL_SIZE(iscsi) (iscsi->MaxConnections * NUM_PDU_PER_CONNECTION(iscsi))
#define IMMEDIATE_DATA_POOL_SIZE(iscsi) (iscsi->MaxConnections * 128)
#define DATA_OUT_POOL_SIZE(iscsi) (iscsi->MaxConnections * MAX_DATA_OUT_PER_CONNECTION)
static int
iscsi_initialize_pdu_pool(void)
{
struct spdk_iscsi_globals *iscsi = &g_spdk_iscsi;
int imm_mobj_size = SPDK_BDEV_BUF_SIZE_WITH_MD(spdk_get_max_immediate_data_size()) +
sizeof(struct spdk_mobj) + ISCSI_DATA_BUFFER_ALIGNMENT;
int dout_mobj_size = SPDK_BDEV_BUF_SIZE_WITH_MD(SPDK_ISCSI_MAX_RECV_DATA_SEGMENT_LENGTH) +
sizeof(struct spdk_mobj) + ISCSI_DATA_BUFFER_ALIGNMENT;
/* create PDU pool */
iscsi->pdu_pool = spdk_mempool_create("PDU_Pool",
PDU_POOL_SIZE(iscsi),
sizeof(struct spdk_iscsi_pdu),
256, SPDK_ENV_SOCKET_ID_ANY);
if (!iscsi->pdu_pool) {
SPDK_ERRLOG("create PDU pool failed\n");
return -1;
}
iscsi->pdu_immediate_data_pool = spdk_mempool_create_ctor("PDU_immediate_data_Pool",
IMMEDIATE_DATA_POOL_SIZE(iscsi),
imm_mobj_size, 256,
SPDK_ENV_SOCKET_ID_ANY,
mobj_ctor, NULL);
if (!iscsi->pdu_immediate_data_pool) {
SPDK_ERRLOG("create PDU immediate data pool failed\n");
return -1;
}
iscsi->pdu_data_out_pool = spdk_mempool_create_ctor("PDU_data_out_Pool",
DATA_OUT_POOL_SIZE(iscsi),
dout_mobj_size, 256,
SPDK_ENV_SOCKET_ID_ANY,
mobj_ctor, NULL);
if (!iscsi->pdu_data_out_pool) {
SPDK_ERRLOG("create PDU data out pool failed\n");
return -1;
}
return 0;
}
static void
iscsi_sess_ctor(struct spdk_mempool *pool, void *arg, void *session_buf,
unsigned index)
{
struct spdk_iscsi_globals *iscsi = arg;
struct spdk_iscsi_sess *sess = session_buf;
iscsi->session[index] = sess;
/* tsih 0 is reserved, so start tsih values at 1. */
sess->tsih = index + 1;
}
#define DEFAULT_TASK_POOL_SIZE 32768
static int
iscsi_initialize_task_pool(void)
{
struct spdk_iscsi_globals *iscsi = &g_spdk_iscsi;
/* create scsi_task pool */
iscsi->task_pool = spdk_mempool_create("SCSI_TASK_Pool",
DEFAULT_TASK_POOL_SIZE,
sizeof(struct spdk_iscsi_task),
128, SPDK_ENV_SOCKET_ID_ANY);
if (!iscsi->task_pool) {
SPDK_ERRLOG("create task pool failed\n");
return -1;
}
return 0;
}
#define SESSION_POOL_SIZE(iscsi) (iscsi->MaxSessions)
static int
iscsi_initialize_session_pool(void)
{
struct spdk_iscsi_globals *iscsi = &g_spdk_iscsi;
iscsi->session_pool = spdk_mempool_create_ctor("Session_Pool",
SESSION_POOL_SIZE(iscsi),
sizeof(struct spdk_iscsi_sess), 0,
SPDK_ENV_SOCKET_ID_ANY,
iscsi_sess_ctor, iscsi);
if (!iscsi->session_pool) {
SPDK_ERRLOG("create session pool failed\n");
return -1;
}
return 0;
}
static int
iscsi_initialize_all_pools(void)
{
if (iscsi_initialize_pdu_pool() != 0) {
return -1;
}
if (iscsi_initialize_session_pool() != 0) {
return -1;
}
if (iscsi_initialize_task_pool() != 0) {
return -1;
}
return 0;
}
static void
iscsi_check_pool(struct spdk_mempool *pool, size_t count)
{
if (pool && spdk_mempool_count(pool) != count) {
SPDK_ERRLOG("spdk_mempool_count(%s) == %zu, should be %zu\n",
spdk_mempool_get_name(pool), spdk_mempool_count(pool), count);
}
}
static void
iscsi_check_pools(void)
{
struct spdk_iscsi_globals *iscsi = &g_spdk_iscsi;
iscsi_check_pool(iscsi->pdu_pool, PDU_POOL_SIZE(iscsi));
iscsi_check_pool(iscsi->session_pool, SESSION_POOL_SIZE(iscsi));
iscsi_check_pool(iscsi->pdu_immediate_data_pool, IMMEDIATE_DATA_POOL_SIZE(iscsi));
iscsi_check_pool(iscsi->pdu_data_out_pool, DATA_OUT_POOL_SIZE(iscsi));
iscsi_check_pool(iscsi->task_pool, DEFAULT_TASK_POOL_SIZE);
}
static void
iscsi_free_pools(void)
{
struct spdk_iscsi_globals *iscsi = &g_spdk_iscsi;
spdk_mempool_free(iscsi->pdu_pool);
spdk_mempool_free(iscsi->session_pool);
spdk_mempool_free(iscsi->pdu_immediate_data_pool);
spdk_mempool_free(iscsi->pdu_data_out_pool);
spdk_mempool_free(iscsi->task_pool);
}
void spdk_put_pdu(struct spdk_iscsi_pdu *pdu)
{
if (!pdu) {
return;
}
pdu->ref--;
if (pdu->ref < 0) {
SPDK_ERRLOG("Negative PDU refcount: %p\n", pdu);
pdu->ref = 0;
}
if (pdu->ref == 0) {
if (pdu->mobj) {
spdk_mempool_put(pdu->mobj->mp, (void *)pdu->mobj);
}
if (pdu->data && !pdu->data_from_mempool) {
free(pdu->data);
}
spdk_mempool_put(g_spdk_iscsi.pdu_pool, (void *)pdu);
}
}
struct spdk_iscsi_pdu *spdk_get_pdu(void)
{
struct spdk_iscsi_pdu *pdu;
pdu = spdk_mempool_get(g_spdk_iscsi.pdu_pool);
if (!pdu) {
SPDK_ERRLOG("Unable to get PDU\n");
abort();
}
/* we do not want to zero out the last part of the structure reserved for AHS and sense data */
memset(pdu, 0, offsetof(struct spdk_iscsi_pdu, ahs));
pdu->ref = 1;
return pdu;
}
static void
iscsi_log_globals(void)
{
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "AuthFile %s\n",
g_spdk_iscsi.authfile ? g_spdk_iscsi.authfile : "(none)");
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "NodeBase %s\n", g_spdk_iscsi.nodebase);
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "MaxSessions %d\n", g_spdk_iscsi.MaxSessions);
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "MaxConnectionsPerSession %d\n",
g_spdk_iscsi.MaxConnectionsPerSession);
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "MaxQueueDepth %d\n", g_spdk_iscsi.MaxQueueDepth);
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "DefaultTime2Wait %d\n",
g_spdk_iscsi.DefaultTime2Wait);
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "DefaultTime2Retain %d\n",
g_spdk_iscsi.DefaultTime2Retain);
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "FirstBurstLength %d\n",
g_spdk_iscsi.FirstBurstLength);
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "ImmediateData %s\n",
g_spdk_iscsi.ImmediateData ? "Yes" : "No");
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "AllowDuplicateIsid %s\n",
g_spdk_iscsi.AllowDuplicateIsid ? "Yes" : "No");
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "ErrorRecoveryLevel %d\n",
g_spdk_iscsi.ErrorRecoveryLevel);
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "Timeout %d\n", g_spdk_iscsi.timeout);
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "NopInInterval %d\n",
g_spdk_iscsi.nopininterval);
if (g_spdk_iscsi.disable_chap) {
SPDK_DEBUGLOG(SPDK_LOG_ISCSI,
"DiscoveryAuthMethod None\n");
} else if (!g_spdk_iscsi.require_chap) {
SPDK_DEBUGLOG(SPDK_LOG_ISCSI,
"DiscoveryAuthMethod Auto\n");
} else {
SPDK_DEBUGLOG(SPDK_LOG_ISCSI,
"DiscoveryAuthMethod %s %s\n",
g_spdk_iscsi.require_chap ? "CHAP" : "",
g_spdk_iscsi.mutual_chap ? "Mutual" : "");
}
if (g_spdk_iscsi.chap_group == 0) {
SPDK_DEBUGLOG(SPDK_LOG_ISCSI,
"DiscoveryAuthGroup None\n");
} else {
SPDK_DEBUGLOG(SPDK_LOG_ISCSI,
"DiscoveryAuthGroup AuthGroup%d\n",
g_spdk_iscsi.chap_group);
}
}
static void
iscsi_opts_init(struct spdk_iscsi_opts *opts)
{
opts->MaxSessions = DEFAULT_MAX_SESSIONS;
opts->MaxConnectionsPerSession = DEFAULT_MAX_CONNECTIONS_PER_SESSION;
opts->MaxQueueDepth = DEFAULT_MAX_QUEUE_DEPTH;
opts->DefaultTime2Wait = DEFAULT_DEFAULTTIME2WAIT;
opts->DefaultTime2Retain = DEFAULT_DEFAULTTIME2RETAIN;
opts->FirstBurstLength = SPDK_ISCSI_FIRST_BURST_LENGTH;
opts->ImmediateData = DEFAULT_IMMEDIATEDATA;
opts->AllowDuplicateIsid = false;
opts->ErrorRecoveryLevel = DEFAULT_ERRORRECOVERYLEVEL;
opts->timeout = DEFAULT_TIMEOUT;
opts->nopininterval = DEFAULT_NOPININTERVAL;
opts->disable_chap = false;
opts->require_chap = false;
opts->mutual_chap = false;
opts->chap_group = 0;
opts->authfile = NULL;
opts->nodebase = NULL;
opts->min_connections_per_core = 0;
}
struct spdk_iscsi_opts *
spdk_iscsi_opts_alloc(void)
{
struct spdk_iscsi_opts *opts;
opts = calloc(1, sizeof(*opts));
if (!opts) {
SPDK_ERRLOG("calloc() failed for iscsi options\n");
return NULL;
}
iscsi_opts_init(opts);
return opts;
}
void
spdk_iscsi_opts_free(struct spdk_iscsi_opts *opts)
{
free(opts->authfile);
free(opts->nodebase);
free(opts);
}
/* Deep copy of spdk_iscsi_opts */
struct spdk_iscsi_opts *
spdk_iscsi_opts_copy(struct spdk_iscsi_opts *src)
{
struct spdk_iscsi_opts *dst;
dst = calloc(1, sizeof(*dst));
if (!dst) {
SPDK_ERRLOG("calloc() failed for iscsi options\n");
return NULL;
}
if (src->authfile) {
dst->authfile = strdup(src->authfile);
if (!dst->authfile) {
free(dst);
SPDK_ERRLOG("failed to strdup for auth file %s\n", src->authfile);
return NULL;
}
}
if (src->nodebase) {
dst->nodebase = strdup(src->nodebase);
if (!dst->nodebase) {
free(dst->authfile);
free(dst);
SPDK_ERRLOG("failed to strdup for nodebase %s\n", src->nodebase);
return NULL;
}
}
dst->MaxSessions = src->MaxSessions;
dst->MaxConnectionsPerSession = src->MaxConnectionsPerSession;
dst->MaxQueueDepth = src->MaxQueueDepth;
dst->DefaultTime2Wait = src->DefaultTime2Wait;
dst->DefaultTime2Retain = src->DefaultTime2Retain;
dst->FirstBurstLength = src->FirstBurstLength;
dst->ImmediateData = src->ImmediateData;
dst->AllowDuplicateIsid = src->AllowDuplicateIsid;
dst->ErrorRecoveryLevel = src->ErrorRecoveryLevel;
dst->timeout = src->timeout;
dst->nopininterval = src->nopininterval;
dst->disable_chap = src->disable_chap;
dst->require_chap = src->require_chap;
dst->mutual_chap = src->mutual_chap;
dst->chap_group = src->chap_group;
dst->min_connections_per_core = 0;
return dst;
}
static int
iscsi_read_config_file_params(struct spdk_conf_section *sp,
struct spdk_iscsi_opts *opts)
{
const char *val;
int MaxSessions;
int MaxConnectionsPerSession;
int MaxQueueDepth;
int DefaultTime2Wait;
int DefaultTime2Retain;
int FirstBurstLength;
int ErrorRecoveryLevel;
int timeout;
int nopininterval;
int min_conn_per_core = 0;
const char *ag_tag;
int ag_tag_i;
int i;
val = spdk_conf_section_get_val(sp, "Comment");
if (val != NULL) {
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "Comment %s\n", val);
}
val = spdk_conf_section_get_val(sp, "AuthFile");
if (val != NULL) {
opts->authfile = strdup(val);
if (!opts->authfile) {
SPDK_ERRLOG("strdup() failed for AuthFile\n");
return -ENOMEM;
}
}
val = spdk_conf_section_get_val(sp, "NodeBase");
if (val != NULL) {
opts->nodebase = strdup(val);
if (!opts->nodebase) {
free(opts->authfile);
SPDK_ERRLOG("strdup() failed for NodeBase\n");
return -ENOMEM;
}
}
MaxSessions = spdk_conf_section_get_intval(sp, "MaxSessions");
if (MaxSessions >= 0) {
opts->MaxSessions = MaxSessions;
}
MaxConnectionsPerSession = spdk_conf_section_get_intval(sp, "MaxConnectionsPerSession");
if (MaxConnectionsPerSession >= 0) {
opts->MaxConnectionsPerSession = MaxConnectionsPerSession;
}
MaxQueueDepth = spdk_conf_section_get_intval(sp, "MaxQueueDepth");
if (MaxQueueDepth >= 0) {
opts->MaxQueueDepth = MaxQueueDepth;
}
DefaultTime2Wait = spdk_conf_section_get_intval(sp, "DefaultTime2Wait");
if (DefaultTime2Wait >= 0) {
opts->DefaultTime2Wait = DefaultTime2Wait;
}
DefaultTime2Retain = spdk_conf_section_get_intval(sp, "DefaultTime2Retain");
if (DefaultTime2Retain >= 0) {
opts->DefaultTime2Retain = DefaultTime2Retain;
}
FirstBurstLength = spdk_conf_section_get_intval(sp, "FirstBurstLength");
if (FirstBurstLength >= 0) {
opts->FirstBurstLength = FirstBurstLength;
}
opts->ImmediateData = spdk_conf_section_get_boolval(sp, "ImmediateData",
opts->ImmediateData);
/* This option is only for test.
* If AllowDuplicateIsid is enabled, it allows different connections carrying
* TSIH=0 login the target within the same session.
*/
opts->AllowDuplicateIsid = spdk_conf_section_get_boolval(sp, "AllowDuplicateIsid",
opts->AllowDuplicateIsid);
ErrorRecoveryLevel = spdk_conf_section_get_intval(sp, "ErrorRecoveryLevel");
if (ErrorRecoveryLevel >= 0) {
opts->ErrorRecoveryLevel = ErrorRecoveryLevel;
}
timeout = spdk_conf_section_get_intval(sp, "Timeout");
if (timeout >= 0) {
opts->timeout = timeout;
}
nopininterval = spdk_conf_section_get_intval(sp, "NopInInterval");
if (nopininterval >= 0) {
opts->nopininterval = nopininterval;
}
val = spdk_conf_section_get_val(sp, "DiscoveryAuthMethod");
if (val != NULL) {
for (i = 0; ; i++) {
val = spdk_conf_section_get_nmval(sp, "DiscoveryAuthMethod", 0, i);
if (val == NULL) {
break;
}
if (strcasecmp(val, "CHAP") == 0) {
opts->require_chap = true;
} else if (strcasecmp(val, "Mutual") == 0) {
opts->require_chap = true;
opts->mutual_chap = true;
} else if (strcasecmp(val, "Auto") == 0) {
opts->disable_chap = false;
opts->require_chap = false;
opts->mutual_chap = false;
} else if (strcasecmp(val, "None") == 0) {
opts->disable_chap = true;
opts->require_chap = false;
opts->mutual_chap = false;
} else {
SPDK_ERRLOG("unknown CHAP mode %s\n", val);
}
}
if (opts->mutual_chap && !opts->require_chap) {
free(opts->authfile);
free(opts->nodebase);
SPDK_ERRLOG("CHAP must set to be required when using mutual CHAP.\n");
return -EINVAL;
}
}
val = spdk_conf_section_get_val(sp, "DiscoveryAuthGroup");
if (val != NULL) {
ag_tag = val;
if (strcasecmp(ag_tag, "None") == 0) {
opts->chap_group = 0;
} else {
if (strncasecmp(ag_tag, "AuthGroup",
strlen("AuthGroup")) != 0
|| sscanf(ag_tag, "%*[^0-9]%d", &ag_tag_i) != 1
|| ag_tag_i == 0) {
SPDK_ERRLOG("invalid auth group %s, ignoring\n", ag_tag);
} else {
opts->chap_group = ag_tag_i;
}
}
}
min_conn_per_core = spdk_conf_section_get_intval(sp, "MinConnectionsPerCore");
if (min_conn_per_core >= 0) {
SPDK_WARNLOG("MinConnectionsPerCore is deprecated and will be ignored.\n");
}
return 0;
}
static int
iscsi_opts_verify(struct spdk_iscsi_opts *opts)
{
if (!opts->nodebase) {
opts->nodebase = strdup(SPDK_ISCSI_DEFAULT_NODEBASE);
if (opts->nodebase == NULL) {
SPDK_ERRLOG("strdup() failed for default nodebase\n");
return -ENOMEM;
}
}
if (opts->MaxSessions == 0 || opts->MaxSessions > 65535) {
SPDK_ERRLOG("%d is invalid. MaxSessions must be more than 0 and no more than 65535\n",
opts->MaxSessions);
return -EINVAL;
}
if (opts->MaxConnectionsPerSession == 0 || opts->MaxConnectionsPerSession > 65535) {
SPDK_ERRLOG("%d is invalid. MaxConnectionsPerSession must be more than 0 and no more than 65535\n",
opts->MaxConnectionsPerSession);
return -EINVAL;
}
if (opts->MaxQueueDepth == 0 || opts->MaxQueueDepth > 256) {
SPDK_ERRLOG("%d is invalid. MaxQueueDepth must be more than 0 and no more than 256\n",
opts->MaxQueueDepth);
return -EINVAL;
}
if (opts->DefaultTime2Wait > 3600) {
SPDK_ERRLOG("%d is invalid. DefaultTime2Wait must be no more than 3600\n",
opts->DefaultTime2Wait);
return -EINVAL;
}
if (opts->DefaultTime2Retain > 3600) {
SPDK_ERRLOG("%d is invalid. DefaultTime2Retain must be no more than 3600\n",
opts->DefaultTime2Retain);
return -EINVAL;
}
if (opts->FirstBurstLength >= SPDK_ISCSI_MIN_FIRST_BURST_LENGTH) {
if (opts->FirstBurstLength > SPDK_ISCSI_MAX_BURST_LENGTH) {
SPDK_ERRLOG("FirstBurstLength %d shall not exceed MaxBurstLength %d\n",
opts->FirstBurstLength, SPDK_ISCSI_MAX_BURST_LENGTH);
return -EINVAL;
}
} else {
SPDK_ERRLOG("FirstBurstLength %d shall be no less than %d\n",
opts->FirstBurstLength, SPDK_ISCSI_MIN_FIRST_BURST_LENGTH);
return -EINVAL;
}
if (opts->ErrorRecoveryLevel > 2) {
SPDK_ERRLOG("ErrorRecoveryLevel %d is not supported.\n", opts->ErrorRecoveryLevel);
return -EINVAL;
}
if (opts->timeout < 0) {
SPDK_ERRLOG("%d is invalid. timeout must not be less than 0\n", opts->timeout);
return -EINVAL;
}
if (opts->nopininterval < 0 || opts->nopininterval > MAX_NOPININTERVAL) {
SPDK_ERRLOG("%d is invalid. nopinterval must be between 0 and %d\n",
opts->nopininterval, MAX_NOPININTERVAL);
return -EINVAL;
}
if (!spdk_iscsi_check_chap_params(opts->disable_chap, opts->require_chap,
opts->mutual_chap, opts->chap_group)) {
SPDK_ERRLOG("CHAP params in opts are illegal combination\n");
return -EINVAL;
}
return 0;
}
static int
iscsi_parse_options(struct spdk_iscsi_opts **popts)
{
struct spdk_iscsi_opts *opts;
struct spdk_conf_section *sp;
int rc;
opts = spdk_iscsi_opts_alloc();
if (!opts) {
SPDK_ERRLOG("spdk_iscsi_opts_alloc_failed() failed\n");
return -ENOMEM;
}
/* Process parameters */
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "iscsi_read_config_file_parmas\n");
sp = spdk_conf_find_section(NULL, "iSCSI");
if (sp != NULL) {
rc = iscsi_read_config_file_params(sp, opts);
if (rc != 0) {
free(opts);
SPDK_ERRLOG("iscsi_read_config_file_params() failed\n");
return rc;
}
}
*popts = opts;
return 0;
}
static int
iscsi_set_global_params(struct spdk_iscsi_opts *opts)
{
int rc;
rc = iscsi_opts_verify(opts);
if (rc != 0) {
SPDK_ERRLOG("spdk_iscsi_opts_verify() failed\n");
return rc;
}
if (opts->authfile != NULL) {
g_spdk_iscsi.authfile = strdup(opts->authfile);
if (!g_spdk_iscsi.authfile) {
SPDK_ERRLOG("failed to strdup for auth file %s\n", opts->authfile);
return -ENOMEM;
}
}
g_spdk_iscsi.nodebase = strdup(opts->nodebase);
if (!g_spdk_iscsi.nodebase) {
SPDK_ERRLOG("failed to strdup for nodebase %s\n", opts->nodebase);
return -ENOMEM;
}
g_spdk_iscsi.MaxSessions = opts->MaxSessions;
g_spdk_iscsi.MaxConnectionsPerSession = opts->MaxConnectionsPerSession;
g_spdk_iscsi.MaxQueueDepth = opts->MaxQueueDepth;
g_spdk_iscsi.DefaultTime2Wait = opts->DefaultTime2Wait;
g_spdk_iscsi.DefaultTime2Retain = opts->DefaultTime2Retain;
g_spdk_iscsi.FirstBurstLength = opts->FirstBurstLength;
g_spdk_iscsi.ImmediateData = opts->ImmediateData;
g_spdk_iscsi.AllowDuplicateIsid = opts->AllowDuplicateIsid;
g_spdk_iscsi.ErrorRecoveryLevel = opts->ErrorRecoveryLevel;
g_spdk_iscsi.timeout = opts->timeout;
g_spdk_iscsi.nopininterval = opts->nopininterval;
g_spdk_iscsi.disable_chap = opts->disable_chap;
g_spdk_iscsi.require_chap = opts->require_chap;
g_spdk_iscsi.mutual_chap = opts->mutual_chap;
g_spdk_iscsi.chap_group = opts->chap_group;
if (opts->min_connections_per_core) {
SPDK_WARNLOG("iSCSI option 'min_connections_per_core' has been deprecated and will be ignored.\n");
}
iscsi_log_globals();
return 0;
}
int
spdk_iscsi_set_discovery_auth(bool disable_chap, bool require_chap, bool mutual_chap,
int32_t chap_group)
{
if (!spdk_iscsi_check_chap_params(disable_chap, require_chap, mutual_chap,
chap_group)) {
SPDK_ERRLOG("CHAP params are illegal combination\n");
return -EINVAL;
}
pthread_mutex_lock(&g_spdk_iscsi.mutex);
g_spdk_iscsi.disable_chap = disable_chap;
g_spdk_iscsi.require_chap = require_chap;
g_spdk_iscsi.mutual_chap = mutual_chap;
g_spdk_iscsi.chap_group = chap_group;
pthread_mutex_unlock(&g_spdk_iscsi.mutex);
return 0;
}
int
spdk_iscsi_auth_group_add_secret(struct spdk_iscsi_auth_group *group,
const char *user, const char *secret,
const char *muser, const char *msecret)
{
struct spdk_iscsi_auth_secret *_secret;
size_t len;
if (user == NULL || secret == NULL) {
SPDK_ERRLOG("user and secret must be specified\n");
return -EINVAL;
}
if (muser != NULL && msecret == NULL) {
SPDK_ERRLOG("msecret must be specified with muser\n");
return -EINVAL;
}
TAILQ_FOREACH(_secret, &group->secret_head, tailq) {
if (strcmp(_secret->user, user) == 0) {
SPDK_ERRLOG("user for secret is duplicated\n");
return -EEXIST;
}
}
_secret = calloc(1, sizeof(*_secret));
if (_secret == NULL) {
SPDK_ERRLOG("calloc() failed for CHAP secret\n");
return -ENOMEM;
}
len = strnlen(user, sizeof(_secret->user));
if (len > sizeof(_secret->user) - 1) {
SPDK_ERRLOG("CHAP user longer than %zu characters: %s\n",
sizeof(_secret->user) - 1, user);
free(_secret);
return -EINVAL;
}
memcpy(_secret->user, user, len);
len = strnlen(secret, sizeof(_secret->secret));
if (len > sizeof(_secret->secret) - 1) {
SPDK_ERRLOG("CHAP secret longer than %zu characters: %s\n",
sizeof(_secret->secret) - 1, secret);
free(_secret);
return -EINVAL;
}
memcpy(_secret->secret, secret, len);
if (muser != NULL) {
len = strnlen(muser, sizeof(_secret->muser));
if (len > sizeof(_secret->muser) - 1) {
SPDK_ERRLOG("Mutual CHAP user longer than %zu characters: %s\n",
sizeof(_secret->muser) - 1, muser);
free(_secret);
return -EINVAL;
}
memcpy(_secret->muser, muser, len);
len = strnlen(msecret, sizeof(_secret->msecret));
if (len > sizeof(_secret->msecret) - 1) {
SPDK_ERRLOG("Mutual CHAP secret longer than %zu characters: %s\n",
sizeof(_secret->msecret) - 1, msecret);
free(_secret);
return -EINVAL;
}
memcpy(_secret->msecret, msecret, len);
}
TAILQ_INSERT_TAIL(&group->secret_head, _secret, tailq);
return 0;
}
int
spdk_iscsi_auth_group_delete_secret(struct spdk_iscsi_auth_group *group,
const char *user)
{
struct spdk_iscsi_auth_secret *_secret;
if (user == NULL) {
SPDK_ERRLOG("user must be specified\n");
return -EINVAL;
}
TAILQ_FOREACH(_secret, &group->secret_head, tailq) {
if (strcmp(_secret->user, user) == 0) {
break;
}
}
if (_secret == NULL) {
SPDK_ERRLOG("secret is not found\n");
return -ENODEV;
}
TAILQ_REMOVE(&group->secret_head, _secret, tailq);
free(_secret);
return 0;
}
int
spdk_iscsi_add_auth_group(int32_t tag, struct spdk_iscsi_auth_group **_group)
{
struct spdk_iscsi_auth_group *group;
TAILQ_FOREACH(group, &g_spdk_iscsi.auth_group_head, tailq) {
if (group->tag == tag) {
SPDK_ERRLOG("Auth group (%d) already exists\n", tag);
return -EEXIST;
}
}
group = calloc(1, sizeof(*group));
if (group == NULL) {
SPDK_ERRLOG("calloc() failed for auth group\n");
return -ENOMEM;
}
TAILQ_INIT(&group->secret_head);
group->tag = tag;
TAILQ_INSERT_TAIL(&g_spdk_iscsi.auth_group_head, group, tailq);
*_group = group;
return 0;
}
void
spdk_iscsi_delete_auth_group(struct spdk_iscsi_auth_group *group)
{
struct spdk_iscsi_auth_secret *_secret, *tmp;
TAILQ_REMOVE(&g_spdk_iscsi.auth_group_head, group, tailq);
TAILQ_FOREACH_SAFE(_secret, &group->secret_head, tailq, tmp) {
TAILQ_REMOVE(&group->secret_head, _secret, tailq);
free(_secret);
}
free(group);
}
struct spdk_iscsi_auth_group *
spdk_iscsi_find_auth_group_by_tag(int32_t tag)
{
struct spdk_iscsi_auth_group *group;
TAILQ_FOREACH(group, &g_spdk_iscsi.auth_group_head, tailq) {
if (group->tag == tag) {
return group;
}
}
return NULL;
}
static void
iscsi_auth_groups_destroy(void)
{
struct spdk_iscsi_auth_group *group, *tmp;
TAILQ_FOREACH_SAFE(group, &g_spdk_iscsi.auth_group_head, tailq, tmp) {
spdk_iscsi_delete_auth_group(group);
}
}
static int
iscsi_parse_auth_group(struct spdk_conf_section *sp)
{
int rc;
int i;
int tag;
const char *val, *user, *secret, *muser, *msecret;
struct spdk_iscsi_auth_group *group = NULL;
val = spdk_conf_section_get_val(sp, "Comment");
if (val != NULL) {
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "Comment %s\n", val);
}
tag = spdk_conf_section_get_num(sp);
rc = spdk_iscsi_add_auth_group(tag, &group);
if (rc != 0) {
SPDK_ERRLOG("Failed to add auth group\n");
return rc;
}
for (i = 0; ; i++) {
val = spdk_conf_section_get_nval(sp, "Auth", i);
if (val == NULL) {
break;
}
user = spdk_conf_section_get_nmval(sp, "Auth", i, 0);
secret = spdk_conf_section_get_nmval(sp, "Auth", i, 1);
muser = spdk_conf_section_get_nmval(sp, "Auth", i, 2);
msecret = spdk_conf_section_get_nmval(sp, "Auth", i, 3);
rc = spdk_iscsi_auth_group_add_secret(group, user, secret, muser, msecret);
if (rc != 0) {
SPDK_ERRLOG("Failed to add secret to auth group\n");
spdk_iscsi_delete_auth_group(group);
return rc;
}
}
return 0;
}
static int
iscsi_parse_auth_info(void)
{
struct spdk_conf *config;
struct spdk_conf_section *sp;
int rc;
config = spdk_conf_allocate();
if (!config) {
SPDK_ERRLOG("Failed to allocate config file\n");
return -ENOMEM;
}
rc = spdk_conf_read(config, g_spdk_iscsi.authfile);
if (rc != 0) {
SPDK_INFOLOG(SPDK_LOG_ISCSI, "Failed to load auth file\n");
spdk_conf_free(config);
return rc;
}
sp = spdk_conf_first_section(config);
while (sp != NULL) {
if (spdk_conf_section_match_prefix(sp, "AuthGroup")) {
if (spdk_conf_section_get_num(sp) == 0) {
SPDK_ERRLOG("Group 0 is invalid\n");
iscsi_auth_groups_destroy();
spdk_conf_free(config);
return -EINVAL;
}
rc = iscsi_parse_auth_group(sp);
if (rc != 0) {
SPDK_ERRLOG("parse_auth_group() failed\n");
iscsi_auth_groups_destroy();
spdk_conf_free(config);
return rc;
}
}
sp = spdk_conf_next_section(sp);
}
spdk_conf_free(config);
return 0;
}
static struct spdk_iscsi_auth_secret *
iscsi_find_auth_secret(const char *authuser, int ag_tag)
{
struct spdk_iscsi_auth_group *group;
struct spdk_iscsi_auth_secret *_secret;
TAILQ_FOREACH(group, &g_spdk_iscsi.auth_group_head, tailq) {
if (group->tag == ag_tag) {
TAILQ_FOREACH(_secret, &group->secret_head, tailq) {
if (strcmp(_secret->user, authuser) == 0) {
return _secret;
}
}
}
}
return NULL;
}
int
spdk_iscsi_chap_get_authinfo(struct iscsi_chap_auth *auth, const char *authuser,
int ag_tag)
{
struct spdk_iscsi_auth_secret *_secret;
if (authuser == NULL) {
return -EINVAL;
}
if (auth->user[0] != '\0') {
memset(auth->user, 0, sizeof(auth->user));
memset(auth->secret, 0, sizeof(auth->secret));
memset(auth->muser, 0, sizeof(auth->muser));
memset(auth->msecret, 0, sizeof(auth->msecret));
}
pthread_mutex_lock(&g_spdk_iscsi.mutex);
_secret = iscsi_find_auth_secret(authuser, ag_tag);
if (_secret == NULL) {
pthread_mutex_unlock(&g_spdk_iscsi.mutex);
SPDK_ERRLOG("CHAP secret is not found: user:%s, tag:%d\n",
authuser, ag_tag);
return -ENOENT;
}
memcpy(auth->user, _secret->user, sizeof(auth->user));
memcpy(auth->secret, _secret->secret, sizeof(auth->secret));
if (_secret->muser[0] != '\0') {
memcpy(auth->muser, _secret->muser, sizeof(auth->muser));
memcpy(auth->msecret, _secret->msecret, sizeof(auth->msecret));
}
pthread_mutex_unlock(&g_spdk_iscsi.mutex);
return 0;
}
static int
iscsi_initialize_global_params(void)
{
int rc;
if (!g_spdk_iscsi_opts) {
rc = iscsi_parse_options(&g_spdk_iscsi_opts);
if (rc != 0) {
SPDK_ERRLOG("spdk_iscsi_parse_options() failed\n");
return rc;
}
}
rc = iscsi_set_global_params(g_spdk_iscsi_opts);
if (rc != 0) {
SPDK_ERRLOG("spdk_iscsi_set_global_params() failed\n");
}
spdk_iscsi_opts_free(g_spdk_iscsi_opts);
g_spdk_iscsi_opts = NULL;
return rc;
}
static void
iscsi_init_complete(int rc)
{
spdk_iscsi_init_cb cb_fn = g_init_cb_fn;
void *cb_arg = g_init_cb_arg;
g_init_cb_fn = NULL;
g_init_cb_arg = NULL;
cb_fn(cb_arg, rc);
}
static int
iscsi_poll_group_poll(void *ctx)
{
struct spdk_iscsi_poll_group *group = ctx;
struct spdk_iscsi_conn *conn, *tmp;
int rc;
if (spdk_unlikely(STAILQ_EMPTY(&group->connections))) {
return 0;
}
rc = spdk_sock_group_poll(group->sock_group);
if (rc < 0) {
SPDK_ERRLOG("Failed to poll sock_group=%p\n", group->sock_group);
}
STAILQ_FOREACH_SAFE(conn, &group->connections, link, tmp) {
if (conn->state == ISCSI_CONN_STATE_EXITING) {
spdk_iscsi_conn_destruct(conn);
}
}
return rc;
}
static int
iscsi_poll_group_handle_nop(void *ctx)
{
struct spdk_iscsi_poll_group *group = ctx;
struct spdk_iscsi_conn *conn, *tmp;
STAILQ_FOREACH_SAFE(conn, &group->connections, link, tmp) {
spdk_iscsi_conn_handle_nop(conn);
}
return -1;
}
static void
iscsi_poll_group_create(void *ctx)
{
struct spdk_iscsi_poll_group *pg;
assert(g_spdk_iscsi.poll_group != NULL);
pg = &g_spdk_iscsi.poll_group[spdk_env_get_current_core()];
pg->core = spdk_env_get_current_core();
STAILQ_INIT(&pg->connections);
pg->sock_group = spdk_sock_group_create(NULL);
assert(pg->sock_group != NULL);
pg->poller = spdk_poller_register(iscsi_poll_group_poll, pg, 0);
/* set the period to 1 sec */
pg->nop_poller = spdk_poller_register(iscsi_poll_group_handle_nop, pg, 1000000);
}
static void
iscsi_poll_group_destroy(void *ctx)
{
struct spdk_iscsi_poll_group *pg;
assert(g_spdk_iscsi.poll_group != NULL);
pg = &g_spdk_iscsi.poll_group[spdk_env_get_current_core()];
assert(pg->poller != NULL);
assert(pg->sock_group != NULL);
spdk_sock_group_close(&pg->sock_group);
spdk_poller_unregister(&pg->poller);
spdk_poller_unregister(&pg->nop_poller);
}
static void
initialize_iscsi_poll_group(spdk_msg_fn cpl)
{
size_t g_num_poll_groups = spdk_env_get_last_core() + 1;
g_spdk_iscsi.poll_group = calloc(g_num_poll_groups, sizeof(struct spdk_iscsi_poll_group));
if (!g_spdk_iscsi.poll_group) {
SPDK_ERRLOG("Failed to allocated iscsi poll group\n");
iscsi_init_complete(-1);
return;
}
/* Send a message to each thread and create a poll group */
spdk_for_each_thread(iscsi_poll_group_create, NULL, cpl);
}
static void
iscsi_parse_configuration(void *ctx)
{
int rc;
rc = spdk_iscsi_parse_portal_grps();
if (rc < 0) {
SPDK_ERRLOG("spdk_iscsi_parse_portal_grps() failed\n");
goto end;
}
rc = spdk_iscsi_parse_init_grps();
if (rc < 0) {
SPDK_ERRLOG("spdk_iscsi_parse_init_grps() failed\n");
goto end;
}
rc = spdk_iscsi_parse_tgt_nodes();
if (rc < 0) {
SPDK_ERRLOG("spdk_iscsi_parse_tgt_nodes() failed\n");
}
if (g_spdk_iscsi.authfile != NULL) {
if (access(g_spdk_iscsi.authfile, R_OK) == 0) {
rc = iscsi_parse_auth_info();
if (rc < 0) {
SPDK_ERRLOG("spdk_iscsi_parse_auth_info() failed\n");
}
} else {
SPDK_INFOLOG(SPDK_LOG_ISCSI, "CHAP secret file is not found in the path %s\n",
g_spdk_iscsi.authfile);
}
}
end:
iscsi_init_complete(rc);
}
static int
iscsi_parse_globals(void)
{
int rc;
rc = iscsi_initialize_global_params();
if (rc != 0) {
SPDK_ERRLOG("spdk_iscsi_initialize_iscsi_global_params() failed\n");
return rc;
}
g_spdk_iscsi.session = calloc(1, sizeof(void *) * g_spdk_iscsi.MaxSessions);
if (!g_spdk_iscsi.session) {
SPDK_ERRLOG("calloc() 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 = iscsi_initialize_all_pools();
if (rc != 0) {
SPDK_ERRLOG("spdk_initialize_all_pools() failed\n");
free(g_spdk_iscsi.session);
g_spdk_iscsi.session = NULL;
return -1;
}
rc = spdk_initialize_iscsi_conns();
if (rc < 0) {
SPDK_ERRLOG("spdk_initialize_iscsi_conns() failed\n");
free(g_spdk_iscsi.session);
g_spdk_iscsi.session = NULL;
return rc;
}
initialize_iscsi_poll_group(iscsi_parse_configuration);
return 0;
}
void
spdk_iscsi_init(spdk_iscsi_init_cb cb_fn, void *cb_arg)
{
int rc;
assert(cb_fn != NULL);
g_init_cb_fn = cb_fn;
g_init_cb_arg = cb_arg;
rc = iscsi_parse_globals();
if (rc < 0) {
SPDK_ERRLOG("spdk_iscsi_parse_globals() failed\n");
iscsi_init_complete(-1);
}
/*
* spdk_iscsi_parse_configuration() will be called as the callback to
* spdk_initialize_iscsi_poll_group() and will complete iSCSI
* subsystem initialization.
*/
}
void
spdk_iscsi_fini(spdk_iscsi_fini_cb cb_fn, void *cb_arg)
{
g_fini_cb_fn = cb_fn;
g_fini_cb_arg = cb_arg;
spdk_iscsi_portal_grp_close_all();
spdk_shutdown_iscsi_conns();
free(g_spdk_iscsi.session);
}
static void
iscsi_fini_done(void *arg)
{
iscsi_check_pools();
iscsi_free_pools();
spdk_iscsi_shutdown_tgt_nodes();
spdk_iscsi_init_grps_destroy();
spdk_iscsi_portal_grps_destroy();
iscsi_auth_groups_destroy();
free(g_spdk_iscsi.authfile);
free(g_spdk_iscsi.nodebase);
free(g_spdk_iscsi.poll_group);
pthread_mutex_destroy(&g_spdk_iscsi.mutex);
g_fini_cb_fn(g_fini_cb_arg);
}
void
spdk_shutdown_iscsi_conns_done(void)
{
if (g_spdk_iscsi.poll_group) {
spdk_for_each_thread(iscsi_poll_group_destroy, NULL, iscsi_fini_done);
} else {
iscsi_fini_done(NULL);
}
}
void
spdk_iscsi_config_text(FILE *fp)
{
iscsi_globals_config_text(fp);
spdk_iscsi_portal_grps_config_text(fp);
spdk_iscsi_init_grps_config_text(fp);
spdk_iscsi_tgt_nodes_config_text(fp);
}
void
spdk_iscsi_opts_info_json(struct spdk_json_write_ctx *w)
{
spdk_json_write_object_begin(w);
if (g_spdk_iscsi.authfile != NULL) {
spdk_json_write_named_string(w, "auth_file", g_spdk_iscsi.authfile);
}
spdk_json_write_named_string(w, "node_base", g_spdk_iscsi.nodebase);
spdk_json_write_named_uint32(w, "max_sessions", g_spdk_iscsi.MaxSessions);
spdk_json_write_named_uint32(w, "max_connections_per_session",
g_spdk_iscsi.MaxConnectionsPerSession);
spdk_json_write_named_uint32(w, "max_queue_depth", g_spdk_iscsi.MaxQueueDepth);
spdk_json_write_named_uint32(w, "default_time2wait", g_spdk_iscsi.DefaultTime2Wait);
spdk_json_write_named_uint32(w, "default_time2retain", g_spdk_iscsi.DefaultTime2Retain);
spdk_json_write_named_uint32(w, "first_burst_length", g_spdk_iscsi.FirstBurstLength);
spdk_json_write_named_bool(w, "immediate_data", g_spdk_iscsi.ImmediateData);
spdk_json_write_named_bool(w, "allow_duplicated_isid", g_spdk_iscsi.AllowDuplicateIsid);
spdk_json_write_named_uint32(w, "error_recovery_level", g_spdk_iscsi.ErrorRecoveryLevel);
spdk_json_write_named_int32(w, "nop_timeout", g_spdk_iscsi.timeout);
spdk_json_write_named_int32(w, "nop_in_interval", g_spdk_iscsi.nopininterval);
spdk_json_write_named_bool(w, "disable_chap", g_spdk_iscsi.disable_chap);
spdk_json_write_named_bool(w, "require_chap", g_spdk_iscsi.require_chap);
spdk_json_write_named_bool(w, "mutual_chap", g_spdk_iscsi.mutual_chap);
spdk_json_write_named_int32(w, "chap_group", g_spdk_iscsi.chap_group);
spdk_json_write_object_end(w);
}
static void
iscsi_auth_group_info_json(struct spdk_iscsi_auth_group *group,
struct spdk_json_write_ctx *w)
{
struct spdk_iscsi_auth_secret *_secret;
spdk_json_write_object_begin(w);
spdk_json_write_named_int32(w, "tag", group->tag);
spdk_json_write_named_array_begin(w, "secrets");
TAILQ_FOREACH(_secret, &group->secret_head, tailq) {
spdk_json_write_object_begin(w);
spdk_json_write_named_string(w, "user", _secret->user);
spdk_json_write_named_string(w, "secret", _secret->secret);
if (_secret->muser[0] != '\0') {
spdk_json_write_named_string(w, "muser", _secret->muser);
spdk_json_write_named_string(w, "msecret", _secret->msecret);
}
spdk_json_write_object_end(w);
}
spdk_json_write_array_end(w);
spdk_json_write_object_end(w);
}
static void
iscsi_auth_group_config_json(struct spdk_iscsi_auth_group *group,
struct spdk_json_write_ctx *w)
{
spdk_json_write_object_begin(w);
spdk_json_write_named_string(w, "method", "add_iscsi_auth_group");
spdk_json_write_name(w, "params");
iscsi_auth_group_info_json(group, w);
spdk_json_write_object_end(w);
}
void
spdk_iscsi_auth_groups_info_json(struct spdk_json_write_ctx *w)
{
struct spdk_iscsi_auth_group *group;
TAILQ_FOREACH(group, &g_spdk_iscsi.auth_group_head, tailq) {
iscsi_auth_group_info_json(group, w);
}
}
static void
iscsi_auth_groups_config_json(struct spdk_json_write_ctx *w)
{
struct spdk_iscsi_auth_group *group;
TAILQ_FOREACH(group, &g_spdk_iscsi.auth_group_head, tailq) {
iscsi_auth_group_config_json(group, w);
}
}
static void
iscsi_opts_config_json(struct spdk_json_write_ctx *w)
{
spdk_json_write_object_begin(w);
spdk_json_write_named_string(w, "method", "set_iscsi_options");
spdk_json_write_name(w, "params");
spdk_iscsi_opts_info_json(w);
spdk_json_write_object_end(w);
}
void
spdk_iscsi_config_json(struct spdk_json_write_ctx *w)
{
spdk_json_write_array_begin(w);
iscsi_opts_config_json(w);
spdk_iscsi_portal_grps_config_json(w);
spdk_iscsi_init_grps_config_json(w);
spdk_iscsi_tgt_nodes_config_json(w);
iscsi_auth_groups_config_json(w);
spdk_json_write_array_end(w);
}
SPDK_LOG_REGISTER_COMPONENT("iscsi", SPDK_LOG_ISCSI)