1 files changed, 116 insertions, 0 deletions
diff --git a/sbin/nvmecontrol/devlist.c b/sbin/nvmecontrol/devlist.c
new file mode 100644
index 0000000..f73d643
--- /dev/null
+++ b/sbin/nvmecontrol/devlist.c
@@ -0,0 +1,116 @@
+/*-
+ * Copyright (C) 2012-2013 Intel Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <paths.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "nvmecontrol.h"
+
+static void
+devlist_usage(void)
+{
+	fprintf(stderr, "usage:\n");
+	fprintf(stderr, DEVLIST_USAGE);
+	exit(1);
+}
+
+static inline uint32_t
+ns_get_sector_size(struct nvme_namespace_data *nsdata)
+{
+
+	return (1 << nsdata->lbaf[nsdata->flbas.format].lbads);
+}
+
+void
+devlist(int argc, char *argv[])
+{
+	struct nvme_controller_data	cdata;
+	struct nvme_namespace_data	nsdata;
+	char				name[64];
+	uint8_t				mn[64];
+	uint32_t			i;
+	int				ch, ctrlr, fd, found, ret;
+
+	while ((ch = getopt(argc, argv, "")) != -1) {
+		switch ((char)ch) {
+		default:
+			devlist_usage();
+		}
+	}
+
+	ctrlr = -1;
+	found = 0;
+
+	while (1) {
+		ctrlr++;
+		sprintf(name, "%s%d", NVME_CTRLR_PREFIX, ctrlr);
+
+		ret = open_dev(name, &fd, 0, 0);
+
+		if (ret != 0) {
+			if (ret == EACCES) {
+				warnx("could not open "_PATH_DEV"%s\n", name);
+				continue;
+			} else
+				break;
+		}
+
+		found++;
+		read_controller_data(fd, &cdata);
+		nvme_strvis(mn, cdata.mn, sizeof(mn), NVME_MODEL_NUMBER_LENGTH);
+		printf("%6s: %s\n", name, mn);
+
+		for (i = 0; i < cdata.nn; i++) {
+			sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr,
+			    NVME_NS_PREFIX, i+1);
+			read_namespace_data(fd, i+1, &nsdata);
+			printf("  %10s (%lldGB)\n",
+				name,
+				nsdata.nsze *
+				(long long)ns_get_sector_size(&nsdata) /
+				1024 / 1024 / 1024);
+		}
+
+		close(fd);
+	}
+
+	if (found == 0)
+		printf("No NVMe controllers found.\n");
+
+	exit(1);
+}