Add ping vnf using vhost-user & virtio-user

Change-Id: If1138e90dd5ebf3c4748dc9cc998c93bb037c4c7
Signed-off-by: Guo Ruijing <ruijing.guo@intel.com>

1 files changed, 171 insertions, 0 deletions

diff --git a/src/vnf/virtio-user-ping/01-add-single-file.patch b/src/vnf/virtio-user-ping/01-add-single-file.patch
new file mode 100644
index 0000000..a686502
--- /dev/null
+++ b/src/vnf/virtio-user-ping/01-add-single-file.patch
@@ -0,0 +1,171 @@
+Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
+---
+ lib/librte_eal/common/eal_common_options.c | 18 +++++++++++
+ lib/librte_eal/common/eal_internal_cfg.h   |  1 +
+ lib/librte_eal/common/eal_options.h        |  2 ++
+ lib/librte_eal/linuxapp/eal/eal.c          |  4 +--
+ lib/librte_eal/linuxapp/eal/eal_memory.c   | 49 +++++++++++++++++++++++++-----
+ 5 files changed, 64 insertions(+), 10 deletions(-)
+
+diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c
+index f470195..4ad41b3 100644
+--- a/lib/librte_eal/common/eal_common_options.c
++++ b/lib/librte_eal/common/eal_common_options.c
+@@ -95,6 +95,7 @@ eal_long_options[] = {
+ 	{OPT_VFIO_INTR,         1, NULL, OPT_VFIO_INTR_NUM        },
+ 	{OPT_VMWARE_TSC_MAP,    0, NULL, OPT_VMWARE_TSC_MAP_NUM   },
+ 	{OPT_XEN_DOM0,          0, NULL, OPT_XEN_DOM0_NUM         },
++	{OPT_SINGLE_FILE,       0, NULL, OPT_SINGLE_FILE_NUM      },
+ 	{0,                     0, NULL, 0                        }
+ };
+ 
+@@ -933,6 +934,10 @@ eal_parse_common_option(int opt, const char *optarg,
+ 		core_parsed = 1;
+ 		break;
+ 
++	case OPT_SINGLE_FILE_NUM:
++		conf->single_file = 1;
++		break;
++
+ 	/* don't know what to do, leave this to caller */
+ 	default:
+ 		return 1;
+@@ -1025,6 +1030,17 @@ eal_check_common_options(struct internal_config *internal_cfg)
+ 		return -1;
+ 	}
+ 
++	if (internal_cfg->single_file && internal_cfg->force_sockets == 1) {
++		RTE_LOG(ERR, EAL, "Option --"OPT_SINGLE_FILE" cannot "
++			"be specified together with --"OPT_SOCKET_MEM"\n");
++		return -1;
++	}
++	if (internal_cfg->single_file && internal_cfg->hugepage_unlink) {
++		RTE_LOG(ERR, EAL, "Option --"OPT_HUGE_UNLINK" cannot "
++			"be specified together with --"OPT_SINGLE_FILE"\n");
++		return -1;
++	}
++
+ 	if (rte_eal_devargs_type_count(RTE_DEVTYPE_WHITELISTED_PCI) != 0 &&
+ 		rte_eal_devargs_type_count(RTE_DEVTYPE_BLACKLISTED_PCI) != 0) {
+ 		RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
+@@ -1056,6 +1072,8 @@ eal_common_usage(void)
+ 	       "  -n CHANNELS         Number of memory channels\n"
+ 	       "  -m MB               Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
+ 	       "  -r RANKS            Force number of memory ranks (don't detect)\n"
++	       "  --"OPT_SINGLE_FILE" Create single file for shared memory, and \n"
++	       "                      do not promise physical contiguity of memseg\n"
+ 	       "  -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n"
+ 	       "                      Prevent EAL from using this PCI device. The argument\n"
+ 	       "                      format is <domain:bus:devid.func>.\n"
+diff --git a/lib/librte_eal/common/eal_internal_cfg.h b/lib/librte_eal/common/eal_internal_cfg.h
+index 7b7e8c8..82b0f97 100644
+--- a/lib/librte_eal/common/eal_internal_cfg.h
++++ b/lib/librte_eal/common/eal_internal_cfg.h
+@@ -61,6 +61,7 @@ struct hugepage_info {
+  */
+ struct internal_config {
+ 	volatile size_t memory;           /**< amount of asked memory */
++	volatile unsigned single_file;    /**< map all hugepages in single file */
+ 	volatile unsigned force_nchannel; /**< force number of channels */
+ 	volatile unsigned force_nrank;    /**< force number of ranks */
+ 	volatile unsigned no_hugetlbfs;   /**< true to disable hugetlbfs */
+diff --git a/lib/librte_eal/common/eal_options.h b/lib/librte_eal/common/eal_options.h
+index a881c62..e5da14a 100644
+--- a/lib/librte_eal/common/eal_options.h
++++ b/lib/librte_eal/common/eal_options.h
+@@ -83,6 +83,8 @@ enum {
+ 	OPT_VMWARE_TSC_MAP_NUM,
+ #define OPT_XEN_DOM0          "xen-dom0"
+ 	OPT_XEN_DOM0_NUM,
++#define OPT_SINGLE_FILE       "single-file"
++	OPT_SINGLE_FILE_NUM,
+ 	OPT_LONG_MAX_NUM
+ };
+ 
+diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
+index 7c78f2d..b6f2ca2 100644
+--- a/lib/librte_eal/linuxapp/eal/eal.c
++++ b/lib/librte_eal/linuxapp/eal/eal.c
+@@ -839,6 +839,8 @@ rte_eal_init(int argc, char **argv)
+ 	}
+ #endif
+ 
++	eal_thread_init_master(rte_config.master_lcore);
++
+ 	if (rte_eal_memory_init() < 0) {
+ 		rte_eal_init_alert("Cannot init memory\n");
+ 		rte_errno = ENOMEM;
+@@ -877,8 +879,6 @@ rte_eal_init(int argc, char **argv)
+ 	if (eal_plugins_init() < 0)
+ 		rte_eal_init_alert("Cannot init plugins\n");
+ 
+-	eal_thread_init_master(rte_config.master_lcore);
+-
+ 	ret = eal_thread_dump_affinity(cpuset, RTE_CPU_AFFINITY_STR_LEN);
+ 
+ 	RTE_LOG(DEBUG, EAL, "Master lcore %u is ready (tid=%x;cpuset=[%s%s])\n", diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c b/lib/librte_eal/linuxapp/eal/eal_memory.c
+index 618a09b..70c6536 100644
+--- a/lib/librte_eal/linuxapp/eal/eal_memory.c
++++ b/lib/librte_eal/linuxapp/eal/eal_memory.c
+@@ -982,20 +982,53 @@ rte_eal_hugepage_init(void)
+ 	/* get pointer to global configuration */
+ 	mcfg = rte_eal_get_configuration()->mem_config;
+ 
+-	/* hugetlbfs can be disabled */
+-	if (internal_config.no_hugetlbfs) {
+-		addr = mmap(NULL, internal_config.memory, PROT_READ | PROT_WRITE,
+-				MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
++	/* when hugetlbfs is disabled or single-file option is specified */
++	if (internal_config.no_hugetlbfs || internal_config.single_file) {
++		int fd;
++		uint64_t pagesize;
++		unsigned socket_id = rte_socket_id();
++		char filepath[MAX_HUGEPAGE_PATH];
++
++		if (internal_config.no_hugetlbfs) {
++			eal_get_hugefile_path(filepath, sizeof(filepath),
++					"/dev/shm", 0);
++			pagesize = RTE_PGSIZE_4K;
++		} else {
++			struct hugepage_info *hpi;
++
++			hpi = &internal_config.hugepage_info[0];
++			eal_get_hugefile_path(filepath, sizeof(filepath),
++					hpi->hugedir, 0);
++			pagesize = hpi->hugepage_sz;
++		}
++		fd = open(filepath, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
++		if (fd < 0) {
++			RTE_LOG(ERR, EAL, "%s: open %s failed: %s\n",
++					__func__, filepath, strerror(errno));
++			return -1;
++		}
++
++		if (ftruncate(fd, internal_config.memory) < 0) {
++			RTE_LOG(ERR, EAL, "ftuncate %s failed: %s\n",
++					filepath, strerror(errno));
++			return -1;
++		}
++
++		addr = mmap(NULL, internal_config.memory,
++				PROT_READ | PROT_WRITE,
++				MAP_SHARED | MAP_POPULATE, fd, 0);
+ 		if (addr == MAP_FAILED) {
+-			RTE_LOG(ERR, EAL, "%s: mmap() failed: %s\n", __func__,
+-					strerror(errno));
++			RTE_LOG(ERR, EAL, "%s: mmap() failed: %s\n",
++					__func__, strerror(errno));
+ 			return -1;
+ 		}
+ 		mcfg->memseg[0].phys_addr = (phys_addr_t)(uintptr_t)addr;
+ 		mcfg->memseg[0].addr = addr;
+-		mcfg->memseg[0].hugepage_sz = RTE_PGSIZE_4K;
++		mcfg->memseg[0].hugepage_sz = pagesize;
+ 		mcfg->memseg[0].len = internal_config.memory;
+-		mcfg->memseg[0].socket_id = 0;
++		mcfg->memseg[0].socket_id = socket_id;
++
++		close(fd);
+ 		return 0;
+ 	}
+