From: Jan Viktorin <viktorin@rehivetech.com>
Date: Mon, 4 Jul 2016 15:16:51 +0000 (+0200)
Subject: vfio: rework initialization to be extendable
X-Git-Tag: spdx-start~6207
X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=50f9de2b48404de23d3349da6ca2bd45bd38ba4a

vfio: rework initialization to be extendable

We can now just OR the vfio_enabled sequentially and so adding new VFIO
subsystems (vfio_platform) is possible.

Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
---

diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 606b7775ac..3fb2188ff6 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -705,12 +705,14 @@ rte_eal_iopl_init(void)
 #ifdef VFIO_PRESENT
 static int rte_eal_vfio_setup(void)
 {
-	if (internal_config.no_pci)
-		return 0;
+	int vfio_enabled = 0;
 
-	pci_vfio_enable();
+	if (!internal_config.no_pci) {
+		pci_vfio_enable();
+		vfio_enabled |= pci_vfio_is_enabled();
+	}
 
-	if (pci_vfio_is_enabled()) {
+	if (vfio_enabled) {
 
 		/* if we are primary process, create a thread to communicate with
 		 * secondary processes. the thread will use a socket to wait for