From 3052a742e3e3c81da2bc8c1b5e7c213e146c8bf1 Mon Sep 17 00:00:00 2001
From: Daniel Verkamp <daniel.verkamp@intel.com>
Date: Thu, 8 Mar 2018 15:55:13 -0700
Subject: [PATCH] app/spdk_tgt: add vhost to unified target

Change-Id: I23366906ac8169954331c0f1be75d406607f2f9e
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/403227
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
---
 app/spdk_tgt/Makefile   |  5 +++++
 app/spdk_tgt/spdk_tgt.c | 16 ++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/app/spdk_tgt/Makefile b/app/spdk_tgt/Makefile
index 087458d7a..a3dca0806 100644
--- a/app/spdk_tgt/Makefile
+++ b/app/spdk_tgt/Makefile
@@ -46,6 +46,11 @@ SPDK_LIB_LIST += app_rpc log_rpc bdev_rpc
 
 ifeq ($(OS),Linux)
 SPDK_LIB_LIST += event_nbd nbd
+
+ifeq ($(CONFIG_VHOST),y)
+SPDK_LIB_LIST += vhost rte_vhost event_vhost
+endif
+
 endif
 
 LIBS += $(BLOCKDEV_MODULES_LINKER_ARGS) \
diff --git a/app/spdk_tgt/spdk_tgt.c b/app/spdk_tgt/spdk_tgt.c
index 636898fbc..b74801989 100644
--- a/app/spdk_tgt/spdk_tgt.c
+++ b/app/spdk_tgt/spdk_tgt.c
@@ -36,15 +36,31 @@
 #include "spdk/env.h"
 #include "spdk/event.h"
 #include "spdk/log.h"
+#include "spdk/vhost.h"
+
+/* TODO: this should be handled by configure */
+#if defined(SPDK_CONFIG_VHOST) && !defined(__linux__)
+#undef SPDK_CONFIG_VHOST
+#endif
 
 static void
 spdk_tgt_usage(void)
 {
+#ifdef SPDK_CONFIG_VHOST
+	printf(" -S dir     directory where to create vhost sockets (default: pwd)\n");
+#endif
 }
 
 static void
 spdk_tgt_parse_arg(int ch, char *arg)
 {
+	switch (ch) {
+#ifdef SPDK_CONFIG_VHOST
+	case 'S':
+		spdk_vhost_set_socket_path(arg);
+		break;
+#endif
+	}
 }
 
 static void