[dpdk-dev] [PATCH 1/2] eal: make max vfio groups configurable

[dpdk-dev] [PATCH 1/2] eal: make max vfio groups configurable

[Pavan Nikhilesh]

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

Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
---
 config/common_base                     | 1 +
 lib/librte_eal/linuxapp/eal/eal_vfio.h | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/config/common_base b/config/common_base
index e74febef4..b6a655e98 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 ba7892b72..b6a3587a4 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio.h
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio.h
@@ -114,7 +114,7 @@ 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
-- 
2.14.1

[dpdk-dev] [PATCH 2/2] config: select maximum vfio groups on ThunderX

[Pavan Nikhilesh]

Increase the max vfio groups to 128.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
---
 config/defconfig_arm64-thunderx-linuxapp-gcc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/config/defconfig_arm64-thunderx-linuxapp-gcc b/config/defconfig_arm64-thunderx-linuxapp-gcc
index 45038b119..d502b7822 100644
--- a/config/defconfig_arm64-thunderx-linuxapp-gcc
+++ b/config/defconfig_arm64-thunderx-linuxapp-gcc
@@ -36,6 +36,7 @@ CONFIG_RTE_MACHINE="thunderx"
 CONFIG_RTE_CACHE_LINE_SIZE=128
 CONFIG_RTE_MAX_NUMA_NODES=2
 CONFIG_RTE_MAX_LCORE=96
+CONFIG_RTE_MAX_VFIO_GROUPS=128
 
 #
 # Compile PMD for octeontx sso event device
-- 
2.14.1

Re: [dpdk-dev] [PATCH 1/2] eal: make max vfio groups configurable

[Burakov, Anatoly]

On 29-Dec-17 7:58 AM, Pavan Nikhilesh wrote:
> 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>

-- 
Thanks,
Anatoly

Re: [dpdk-dev] [PATCH 1/2] eal: make max vfio groups configurable

[Thomas Monjalon]

12/01/2018 18:24, Burakov, Anatoly:
> On 29-Dec-17 7:58 AM, Pavan Nikhilesh wrote:
> > 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>

Series applied, thanks