From 43299f394db75d9f2ae09545587b76321ee87ae4 Mon Sep 17 00:00:00 2001
From: Ziye Yang <ziye.yang@intel.com>
Date: Mon, 6 Sep 2021 04:38:34 -0400
Subject: [PATCH] lib/idxd: make errmsg of "cannot set implementation" more
 clear.

Add more information to users which implementation cannot
be set for idxd.

Signed-off-by: Ziye Yang <ziye.yang@intel.com>
Change-Id: Ib26f117dc19fa1f28cc1d548549caba0b696a915
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9399
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
---
 lib/idxd/idxd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/idxd/idxd.c b/lib/idxd/idxd.c
index c826dc09b..a6b5394d5 100644
--- a/lib/idxd/idxd.c
+++ b/lib/idxd/idxd.c
@@ -321,7 +321,8 @@ spdk_idxd_set_config(uint32_t config_num, bool kernel_mode)
 	}
 
 	if (g_idxd_impl == NULL) {
-		SPDK_ERRLOG("Cannot set the idxd implementation");
+		SPDK_ERRLOG("Cannot set the idxd implementation with %s mode\n",
+			    kernel_mode ? KERNEL_DRIVER_NAME : USERSPACE_DRIVER_NAME);
 		return;
 	}