cli: 9p: Add toml configuration for 9p msize

Allows msize for 9p to be configured in the toml file.

Signed-off-by: Archana Shinde <archana.m.shinde@intel.com>

cli/config_test.go

@@ -56,6 +56,7 @@ func makeRuntimeConfigFileData(hypervisor, hypervisorPath, kernelPath, imagePath
 	default_memory = ` + strconv.FormatUint(uint64(defaultMemSize), 10) + `
 	disable_block_device_use =  ` + strconv.FormatBool(disableBlock) + `
 	enable_iothreads =  ` + strconv.FormatBool(enableIOThreads) + `
+	msize_9p = ` + strconv.FormatUint(uint64(defaultMsize9p), 10) + `
 
 	[proxy.kata]
 	path = "` + proxyPath + `"
@@ -143,6 +144,7 @@ func createAllRuntimeConfigFiles(dir, hypervisor string) (config testRuntimeConf
 		DefaultBridges:        defaultBridgesCount,
 		Mlock:                 !defaultEnableSwap,
 		EnableIOThreads:       enableIOThreads,
+		Msize9p:               defaultMsize9p,
 	}
 
 	agentConfig := vc.KataAgentConfig{}
@@ -525,6 +527,7 @@ func TestMinimalRuntimeConfig(t *testing.T) {
 		DefaultBridges:        defaultBridgesCount,
 		Mlock:                 !defaultEnableSwap,
 		BlockDeviceDriver:     defaultBlockDeviceDriver,
+		Msize9p:               defaultMsize9p,
 	}
 
 	expectedAgentConfig := vc.KataAgentConfig{}