[dpdk-dev] [PATCH v2 3/6] eal: added --enable-representor command line argument in EAL to load representor broker infrastructure

[Mohammad Abdul Awal <mohammad.abdul.awal@intel.com>]

Signed-off-by: Mohammad Abdul Awal <mohammad.abdul.awal@intel.com>
Signed-off-by: Declan Doherty <declan.doherty@intel.com>
---
 lib/librte_eal/bsdapp/eal/eal.c            | 6 ++++++
 lib/librte_eal/common/eal_common_options.c | 1 +
 lib/librte_eal/common/eal_internal_cfg.h   | 2 ++
 lib/librte_eal/common/eal_options.h        | 2 ++
 lib/librte_eal/common/include/rte_eal.h    | 8 ++++++++
 lib/librte_eal/linuxapp/eal/eal.c          | 9 +++++++++
 6 files changed, 28 insertions(+)

diff --git a/lib/librte_eal/bsdapp/eal/eal.c b/lib/librte_eal/bsdapp/eal/eal.c
index 369a682..002200a 100644
--- a/lib/librte_eal/bsdapp/eal/eal.c
+++ b/lib/librte_eal/bsdapp/eal/eal.c
@@ -778,3 +778,9 @@ int rte_vfio_noiommu_is_enabled(void)
 {
 	return 0;
 }
+
+/* return non-zero if port-representor is enabled. */
+int rte_representor_enabled(void)
+{
+	return internal_config.enable_representor;
+}
diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c
index 996a034..6f2cc05 100644
--- a/lib/librte_eal/common/eal_common_options.c
+++ b/lib/librte_eal/common/eal_common_options.c
@@ -78,6 +78,7 @@ const struct option
 eal_long_options[] = {
 	{OPT_BASE_VIRTADDR,     1, NULL, OPT_BASE_VIRTADDR_NUM    },
 	{OPT_CREATE_UIO_DEV,    0, NULL, OPT_CREATE_UIO_DEV_NUM   },
+	{OPT_ENABLE_REPRESENTOR, 0, NULL, OPT_ENABLE_REPRESENTOR_NUM   },
 	{OPT_FILE_PREFIX,       1, NULL, OPT_FILE_PREFIX_NUM      },
 	{OPT_HELP,              0, NULL, OPT_HELP_NUM             },
 	{OPT_HUGE_DIR,          1, NULL, OPT_HUGE_DIR_NUM         },
diff --git a/lib/librte_eal/common/eal_internal_cfg.h b/lib/librte_eal/common/eal_internal_cfg.h
index fa6ccbe..55cae8c 100644
--- a/lib/librte_eal/common/eal_internal_cfg.h
+++ b/lib/librte_eal/common/eal_internal_cfg.h
@@ -71,6 +71,8 @@ struct internal_config {
 										* instead of native TSC */
 	volatile unsigned no_shconf;      /**< true if there is no shared config */
 	volatile unsigned create_uio_dev; /**< true to create /dev/uioX devices */
+	volatile unsigned enable_representor;
+	/**< true to enable port representor broker for all PFs */
 	volatile enum rte_proc_type_t process_type; /**< multi-process proc type */
 	/** true to try allocating memory on specific sockets */
 	volatile unsigned force_sockets;
diff --git a/lib/librte_eal/common/eal_options.h b/lib/librte_eal/common/eal_options.h
index 30e6bb4..c2b2162 100644
--- a/lib/librte_eal/common/eal_options.h
+++ b/lib/librte_eal/common/eal_options.h
@@ -83,6 +83,8 @@ enum {
 	OPT_VFIO_INTR_NUM,
 #define OPT_VMWARE_TSC_MAP    "vmware-tsc-map"
 	OPT_VMWARE_TSC_MAP_NUM,
+#define OPT_ENABLE_REPRESENTOR    "enable-representor"
+	OPT_ENABLE_REPRESENTOR_NUM,
 	OPT_LONG_MAX_NUM
 };
 
diff --git a/lib/librte_eal/common/include/rte_eal.h b/lib/librte_eal/common/include/rte_eal.h
index 8e4e71c..c4e61d1 100644
--- a/lib/librte_eal/common/include/rte_eal.h
+++ b/lib/librte_eal/common/include/rte_eal.h
@@ -335,6 +335,14 @@ enum rte_iova_mode rte_eal_iova_mode(void);
 const char *
 rte_eal_mbuf_default_mempool_ops(void);
 
+/**
+ * Get flag for port representor should be enabled or not.
+ *
+ * @return
+ *   Returns the enable-representor flag.
+ */
+int rte_representor_enabled(void);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 229eec9..364a8b2 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -612,6 +612,10 @@ eal_parse_args(int argc, char **argv)
 			internal_config.mbuf_pool_ops_name = optarg;
 			break;
 
+		case OPT_ENABLE_REPRESENTOR_NUM:
+			internal_config.enable_representor = 1;
+			break;
+
 		default:
 			if (opt < OPT_LONG_MIN_NUM && isprint(opt)) {
 				RTE_LOG(ERR, EAL, "Option %c is not supported "
@@ -1041,3 +1045,8 @@ rte_eal_check_module(const char *module_name)
 	/* Module has been found */
 	return 1;
 }
+
+int rte_representor_enabled(void)
+{
+	return internal_config.enable_representor;
+}
-- 
2.7.4