From 8cb3341e836c5c239ba628b11f3f638640aaa01a Mon Sep 17 00:00:00 2001
From: Jim Harris <james.r.harris@intel.com>
Date: Wed, 6 Jun 2018 03:46:57 -0700
Subject: [PATCH] bdev/nvme: print error message when PCIe SSD not found

This includes when the SSD's BDF is valid, but not attached to UIO/VFIO.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I8de639164f8674014d9e2cc31815b86ce3cba64f

Reviewed-on: https://review.gerrithub.io/414063
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
---
 lib/bdev/nvme/bdev_nvme.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/bdev/nvme/bdev_nvme.c b/lib/bdev/nvme/bdev_nvme.c
index d0e599af8..07e340878 100644
--- a/lib/bdev/nvme/bdev_nvme.c
+++ b/lib/bdev/nvme/bdev_nvme.c
@@ -1062,6 +1062,17 @@ bdev_nvme_library_init(void)
 			rc = -1;
 			goto end;
 		}
+
+		for (i = 0; i < probe_ctx->count; i++) {
+			if (probe_ctx->trids[i].trtype != SPDK_NVME_TRANSPORT_PCIE) {
+				continue;
+			}
+
+			if (!nvme_ctrlr_get(&probe_ctx->trids[i])) {
+				SPDK_ERRLOG("NVMe SSD \"%s\" could not be found.\n", probe_ctx->trids[i].traddr);
+				SPDK_ERRLOG("Check PCIe BDF and that it is attached to UIO/VFIO driver.\n");
+			}
+		}
 	}
 
 	if (g_nvme_hotplug_enabled) {