nvmf: move conf file parsing to nvmf_tgt app

Change-Id: Iaf09d39046bceae023739d49e31804e150bb19d4
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>

app/nvmf_tgt/Makefile

@@ -43,7 +43,7 @@ CFLAGS += $(DPDK_INC)
 # TODO: remove this once NVMf has a public API header
 CFLAGS += -I$(SPDK_ROOT_DIR)/lib
 
-C_SRCS := nvmf_tgt.c
+C_SRCS := conf.c nvmf_tgt.c
 
 SPDK_LIBS = \
 	$(SPDK_ROOT_DIR)/lib/nvmf/libspdk_nvmf.a \

app/nvmf_tgt/conf.c

@@ -40,9 +40,8 @@
 #include <rte_lcore.h>
 
 #include "conf.h"
-#include "nvmf_internal.h"
-#include "subsystem.h"
-#include "transport.h"
+#include "nvmf/subsystem.h"
+#include "nvmf/transport.h"
 #include "spdk/conf.h"
 #include "spdk/log.h"
 

app/nvmf_tgt/nvmf_tgt.c

@@ -42,6 +42,8 @@
 #include <rte_memzone.h>
 #include <rte_mempool.h>
 
+#include "conf.h"
+
 #include "spdk/event.h"
 
 #include "nvmf/transport.h"
@@ -95,6 +97,18 @@ spdk_nvmf_startup(spdk_event_t event)
 {
 	int rc;
 
+	rc = spdk_nvmf_parse_conf();
+	if (rc < 0) {
+		SPDK_ERRLOG("spdk_nvmf_parse_conf() failed\n");
+		goto initialize_error;
+	}
+
+	rc = spdk_nvmf_transport_init();
+	if (rc <= 0) {
+		SPDK_ERRLOG("Transport initialization failed\n");
+		goto initialize_error;
+	}
+
 	/* start the rdma poller that will listen
 	   on all available ports */
 	rc = spdk_nvmf_acceptor_start();

lib/nvmf/Makefile

@@ -36,7 +36,7 @@ include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
 
 CFLAGS += $(DPDK_INC)
 LIBNAME = nvmf
-C_SRCS = subsystem.c conf.c nvmf.c \
+C_SRCS = subsystem.c nvmf.c \
 	 request.c session.c transport.c \
 	 direct.c
 

lib/nvmf/nvmf.c

@@ -39,7 +39,6 @@
 
 #include "spdk/log.h"
 #include "spdk/conf.h"
-#include "conf.h"
 #include "subsystem.h"
 #include "transport.h"
 #include "spdk/trace.h"
@@ -151,24 +150,6 @@ nvmf_tgt_init(uint16_t max_queue_depth, uint16_t max_queues_per_sess,
 static int
 nvmf_tgt_subsystem_initialize(void)
 {
-	int rc;
-
-	/* initialize from configuration file */
-	rc = spdk_nvmf_parse_conf();
-	if (rc < 0) {
-		SPDK_ERRLOG("spdk_nvmf_parse_conf() failed\n");
-		return rc;
-	}
-
-	/* initialize with the NVMf transport */
-	rc = spdk_nvmf_transport_init(g_nvmf_tgt.max_queue_depth,
-				      g_nvmf_tgt.max_io_size,
-				      g_nvmf_tgt.in_capsule_data_size);
-	if (rc <= 0) {
-		SPDK_ERRLOG("Transport initialization failed\n");
-		return -1;
-	}
-
 	return 0;
 }
 

lib/nvmf/transport.c

@@ -39,6 +39,8 @@
 #include "spdk/log.h"
 #include "spdk/queue.h"
 
+#include "nvmf_internal.h"
+
 static const struct spdk_nvmf_transport *const g_transports[] = {
 #ifdef SPDK_CONFIG_RDMA
 	&spdk_nvmf_transport_rdma,
@@ -48,15 +50,14 @@ static const struct spdk_nvmf_transport *const g_transports[] = {
 #define NUM_TRANSPORTS (sizeof(g_transports) / sizeof(*g_transports))
 
 int
-spdk_nvmf_transport_init(uint16_t max_queue_depth, uint32_t max_io_size,
-			 uint32_t in_capsule_data_size)
+spdk_nvmf_transport_init(void)
 {
 	size_t i;
 	int count = 0;
 
 	for (i = 0; i != NUM_TRANSPORTS; i++) {
-		if (g_transports[i]->transport_init(max_queue_depth, max_io_size,
-						    in_capsule_data_size) < 0) {
+		if (g_transports[i]->transport_init(g_nvmf_tgt.max_queue_depth, g_nvmf_tgt.max_io_size,
+						    g_nvmf_tgt.in_capsule_data_size) < 0) {
 			SPDK_NOTICELOG("%s transport init failed\n", g_transports[i]->name);
 		} else {
 			count++;

lib/nvmf/transport.h

@@ -111,8 +111,7 @@ struct spdk_nvmf_transport {
 				     struct spdk_nvmf_discovery_log_page_entry *entry);
 };
 
-int spdk_nvmf_transport_init(uint16_t max_queue_depth, uint32_t max_io_size,
-			     uint32_t in_capsule_data_size);
+int spdk_nvmf_transport_init(void);
 int spdk_nvmf_transport_fini(void);
 const struct spdk_nvmf_transport *spdk_nvmf_transport_get(const char *name);