1 files changed, 276 insertions, 0 deletions
diff --git a/src/spdk/dpdk/lib/librte_eal/windows/eal.c b/src/spdk/dpdk/lib/librte_eal/windows/eal.c
new file mode 100644
index 000000000..d084606a6
--- /dev/null
+++ b/src/spdk/dpdk/lib/librte_eal/windows/eal.c
@@ -0,0 +1,276 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Intel Corporation
+ */
+
+#include <fcntl.h>
+#include <io.h>
+#include <share.h>
+#include <sys/stat.h>
+
+#include <rte_debug.h>
+#include <rte_eal.h>
+#include <eal_memcfg.h>
+#include <rte_errno.h>
+#include <rte_lcore.h>
+#include <eal_thread.h>
+#include <eal_internal_cfg.h>
+#include <eal_filesystem.h>
+#include <eal_options.h>
+#include <eal_private.h>
+
+#include "eal_windows.h"
+
+ /* Allow the application to print its usage message too if set */
+static rte_usage_hook_t	rte_application_usage_hook;
+
+/* define fd variable here, because file needs to be kept open for the
+ * duration of the program, as we hold a write lock on it in the primary proc
+ */
+static int mem_cfg_fd = -1;
+
+/* early configuration structure, when memory config is not mmapped */
+static struct rte_mem_config early_mem_config;
+
+/* Address of global and public configuration */
+static struct rte_config rte_config = {
+		.mem_config = &early_mem_config,
+};
+
+/* internal configuration (per-core) */
+struct lcore_config lcore_config[RTE_MAX_LCORE];
+
+/* internal configuration */
+struct internal_config internal_config;
+
+/* platform-specific runtime dir */
+static char runtime_dir[PATH_MAX];
+
+const char *
+rte_eal_get_runtime_dir(void)
+{
+	return runtime_dir;
+}
+
+/* Return a pointer to the configuration structure */
+struct rte_config *
+rte_eal_get_configuration(void)
+{
+	return &rte_config;
+}
+
+/* Detect if we are a primary or a secondary process */
+enum rte_proc_type_t
+eal_proc_type_detect(void)
+{
+	enum rte_proc_type_t ptype = RTE_PROC_PRIMARY;
+	const char *pathname = eal_runtime_config_path();
+
+	/* if we can open the file but not get a write-lock we are a secondary
+	 * process. NOTE: if we get a file handle back, we keep that open
+	 * and don't close it to prevent a race condition between multiple opens
+	 */
+	errno_t err = _sopen_s(&mem_cfg_fd, pathname,
+		_O_RDWR, _SH_DENYNO, _S_IREAD | _S_IWRITE);
+	if (err == 0) {
+		OVERLAPPED soverlapped = { 0 };
+		soverlapped.Offset = sizeof(*rte_config.mem_config);
+		soverlapped.OffsetHigh = 0;
+
+		HANDLE hwinfilehandle = (HANDLE)_get_osfhandle(mem_cfg_fd);
+
+		if (!LockFileEx(hwinfilehandle,
+			LOCKFILE_EXCLUSIVE_LOCK | LOCKFILE_FAIL_IMMEDIATELY, 0,
+			sizeof(*rte_config.mem_config), 0, &soverlapped))
+			ptype = RTE_PROC_SECONDARY;
+	}
+
+	RTE_LOG(INFO, EAL, "Auto-detected process type: %s\n",
+		ptype == RTE_PROC_PRIMARY ? "PRIMARY" : "SECONDARY");
+
+	return ptype;
+}
+
+/* display usage */
+static void
+eal_usage(const char *prgname)
+{
+	printf("\nUsage: %s ", prgname);
+	eal_common_usage();
+	/* Allow the application to print its usage message too
+	 * if hook is set
+	 */
+	if (rte_application_usage_hook) {
+		printf("===== Application Usage =====\n\n");
+		rte_application_usage_hook(prgname);
+	}
+}
+
+/* Parse the arguments for --log-level only */
+static void
+eal_log_level_parse(int argc, char **argv)
+{
+	int opt;
+	char **argvopt;
+	int option_index;
+
+	argvopt = argv;
+
+	eal_reset_internal_config(&internal_config);
+
+	while ((opt = getopt_long(argc, argvopt, eal_short_options,
+		eal_long_options, &option_index)) != EOF) {
+
+		int ret;
+
+		/* getopt is not happy, stop right now */
+		if (opt == '?')
+			break;
+
+		ret = (opt == OPT_LOG_LEVEL_NUM) ?
+			eal_parse_common_option(opt, optarg,
+				&internal_config) : 0;
+
+		/* common parser is not happy */
+		if (ret < 0)
+			break;
+	}
+
+	optind = 0; /* reset getopt lib */
+}
+
+/* Parse the argument given in the command line of the application */
+__attribute__((optnone)) static int
+eal_parse_args(int argc, char **argv)
+{
+	int opt, ret;
+	char **argvopt;
+	int option_index;
+	char *prgname = argv[0];
+
+	argvopt = argv;
+
+	while ((opt = getopt_long(argc, argvopt, eal_short_options,
+		eal_long_options, &option_index)) != EOF) {
+
+		int ret;
+
+		/* getopt is not happy, stop right now */
+		if (opt == '?') {
+			eal_usage(prgname);
+			return -1;
+		}
+
+		ret = eal_parse_common_option(opt, optarg, &internal_config);
+		/* common parser is not happy */
+		if (ret < 0) {
+			eal_usage(prgname);
+			return -1;
+		}
+		/* common parser handled this option */
+		if (ret == 0)
+			continue;
+
+		switch (opt) {
+		case 'h':
+			eal_usage(prgname);
+			exit(EXIT_SUCCESS);
+		default:
+			if (opt < OPT_LONG_MIN_NUM && isprint(opt)) {
+				RTE_LOG(ERR, EAL, "Option %c is not supported "
+					"on Windows\n", opt);
+			} else if (opt >= OPT_LONG_MIN_NUM &&
+				opt < OPT_LONG_MAX_NUM) {
+				RTE_LOG(ERR, EAL, "Option %s is not supported "
+					"on Windows\n",
+					eal_long_options[option_index].name);
+			} else {
+				RTE_LOG(ERR, EAL, "Option %d is not supported "
+					"on Windows\n", opt);
+			}
+			eal_usage(prgname);
+			return -1;
+		}
+	}
+
+	if (eal_adjust_config(&internal_config) != 0)
+		return -1;
+
+	/* sanity checks */
+	if (eal_check_common_options(&internal_config) != 0) {
+		eal_usage(prgname);
+		return -1;
+	}
+
+	if (optind >= 0)
+		argv[optind - 1] = prgname;
+	ret = optind - 1;
+	optind = 0; /* reset getopt lib */
+	return ret;
+}
+
+static int
+sync_func(void *arg __rte_unused)
+{
+	return 0;
+}
+
+static void
+rte_eal_init_alert(const char *msg)
+{
+	fprintf(stderr, "EAL: FATAL: %s\n", msg);
+	RTE_LOG(ERR, EAL, "%s\n", msg);
+}
+
+ /* Launch threads, called at application init(). */
+int
+rte_eal_init(int argc, char **argv)
+{
+	int i, fctret;
+
+	rte_eal_log_init(NULL, 0);
+
+	eal_log_level_parse(argc, argv);
+
+	/* create a map of all processors in the system */
+	eal_create_cpu_map();
+
+	if (rte_eal_cpu_init() < 0) {
+		rte_eal_init_alert("Cannot detect lcores.");
+		rte_errno = ENOTSUP;
+		return -1;
+	}
+
+	fctret = eal_parse_args(argc, argv);
+	if (fctret < 0)
+		exit(1);
+
+	eal_thread_init_master(rte_config.master_lcore);
+
+	RTE_LCORE_FOREACH_SLAVE(i) {
+
+		/*
+		 * create communication pipes between master thread
+		 * and children
+		 */
+		if (_pipe(lcore_config[i].pipe_master2slave,
+			sizeof(char), _O_BINARY) < 0)
+			rte_panic("Cannot create pipe\n");
+		if (_pipe(lcore_config[i].pipe_slave2master,
+			sizeof(char), _O_BINARY) < 0)
+			rte_panic("Cannot create pipe\n");
+
+		lcore_config[i].state = WAIT;
+
+		/* create a thread for each lcore */
+		if (eal_thread_create(&lcore_config[i].thread_id) != 0)
+			rte_panic("Cannot create thread\n");
+	}
+
+	/*
+	 * Launch a dummy function on all slave lcores, so that master lcore
+	 * knows they are all ready when this function returns.
+	 */
+	rte_eal_mp_remote_launch(sync_func, NULL, SKIP_MASTER);
+	rte_eal_mp_wait_lcore();
+	return fctret;
+}