From: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Date: Fri, 29 Dec 2017 07:58:55 +0000 (+0530)
Subject: vfio: make groups max configurable
X-Git-Tag: spdx-start~257
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=c3f168579343213d7f1e059521db13a58ff93284;p=dpdk.git

vfio: make groups max configurable

Make max vfio groups compile-time configurable so that platforms can
choose vfio group limit.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
---

diff --git a/config/common_base b/config/common_base
index 90508a855e..1323a5c9c9 100644
--- a/config/common_base
+++ b/config/common_base
@@ -103,6 +103,7 @@ CONFIG_RTE_EAL_ALLOW_INV_SOCKET_ID=n
 CONFIG_RTE_EAL_ALWAYS_PANIC_ON_ERROR=n
 CONFIG_RTE_EAL_IGB_UIO=n
 CONFIG_RTE_EAL_VFIO=n
+CONFIG_RTE_MAX_VFIO_GROUPS=64
 CONFIG_RTE_MALLOC_DEBUG=n
 CONFIG_RTE_EAL_NUMA_AWARE_HUGEPAGES=n
 
diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.h b/lib/librte_eal/linuxapp/eal/eal_vfio.h
index 359589ed3e..80595773ec 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio.h
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio.h
@@ -85,7 +85,7 @@ struct vfio_iommu_spapr_tce_info {
 #define RTE_VFIO_NOIOMMU VFIO_NOIOMMU_IOMMU
 #endif
 
-#define VFIO_MAX_GROUPS 64
+#define VFIO_MAX_GROUPS RTE_MAX_VFIO_GROUPS
 
 /*
  * Function prototypes for VFIO multiprocess sync functions