[Accel-config] [PATCH v3 06/14] accel-config: Add mdev create and remove commands

From: Ramesh Thomas <ramesh.thomas(a)intel.com>

Implements following commands -
accel-config create-mdev <device-name> [<mdev-type>|<options>]
accel-config remove-mdev <device-name> [<uuid>|<options>]

Signed-off-by: Ramesh Thomas <ramesh.thomas(a)intel.com>
---
 accfg/mdev.c | 123 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 122 insertions(+), 1 deletion(-)

diff --git a/accfg/mdev.c b/accfg/mdev.c
index 56c5c68..652b734 100644
--- a/accfg/mdev.c
+++ b/accfg/mdev.c
@@ -21,12 +21,133 @@
 #include <sys/stat.h>
 #include <accfg.h>
 
+static int opt_called;
+static struct accfg_device *device;
+
+static int opt_cb_create_mdev(const struct option *opt, const char *arg, int unset)
+{
+	char **m;
+
+	if (opt->short_name != 'l')
+		return -1;
+
+	printf("Available mdev types:\n");
+	for (m = accfg_mdev_basenames; *m; m++)
+		printf("\t%s\n", *m);
+
+	opt_called = true;
+
+	return 0;
+}
+
+static int opt_cb_remove_mdev(const struct option *opt, const char *arg, int unset)
+{
+	uuid_t uuid;
+	char uuid_str[UUID_STR_LEN];
+	struct accfg_device_mdev *mdev;
+	enum accfg_mdev_type type;
+
+	if (opt->short_name != 'l')
+		return -1;
+
+	printf("Available mdevs:\n");
+	accfg_device_mdev_foreach(device, mdev) {
+		accfg_mdev_get_uuid(mdev, uuid);
+		type = accfg_mdev_get_type(mdev);
+		uuid_unparse(uuid, uuid_str);
+		printf("\tuuid:%s, type:%s\n", uuid_str,
+				accfg_mdev_basenames[type]);
+	}
+	opt_called = true;
+
+	return 0;
+}
+
 int cmd_create_mdev(int argc, const char **argv, void *ctx)
 {
+	char **m;
+	int rc, t;
+	uuid_t uuid;
+	char uuid_str[UUID_STR_LEN];
+
+	const struct option options[] = {
+		OPT_CALLBACK_NOOPT('l', "list-mdev-types", NULL, NULL,
+				"will list available mdev types", opt_cb_create_mdev),
+		OPT_END(),
+	};
+
+	const char *const u[] = {
+		"accfg create-mdev <device name> [<mdev type>|<options>]",
+		NULL
+	};
+
+	if (argc < 3)
+		usage_with_options(u, options);
+
+	device = accfg_ctx_device_get_by_name(ctx, argv[1]);
+	if (!device) {
+		fprintf(stderr, "Enter a valid device to create mdev\n");
+		usage_with_options(u, options);
+	}
+
+	argc = parse_options(argc, argv, options, u, 0);
+	if (opt_called)
+		return 0;
+
+	for (m = accfg_mdev_basenames, t = 0; *m; m++, t++)
+		if (!strcmp(argv[1], *m))
+			break;
+	if (!*m) {
+		fprintf(stderr, "Invalid mdev type\n");
+		usage_with_options(u, options);
+	}
+
+	rc = accfg_create_mdev(device, t, uuid);
+	if (rc < 0)
+		return rc;
+
+	uuid_unparse(uuid, uuid_str);
+	printf("Created mdev wth uuid: %s\n", uuid_str);
+
 	return 0;
 }
 
 int cmd_remove_mdev(int argc, const char **argv, void *ctx)
 {
-	return 0;
+	int rc;
+	uuid_t uuid;
+
+	const struct option options[] = {
+		OPT_CALLBACK_NOOPT('l', "list-mdevs", NULL, NULL,
+				"will list available mdevs", opt_cb_remove_mdev),
+		OPT_END(),
+	};
+
+	const char *const u[] = {
+		"accfg remove-mdev <device name> [<uuid>|<options>]",
+		"Pass null uuid to remove all mdevs",
+		NULL
+	};
+
+	if (argc < 3)
+		usage_with_options(u, options);
+
+	device = accfg_ctx_device_get_by_name(ctx, argv[1]);
+	if (!device) {
+		fprintf(stderr, "Enter a valid device to remove mdev\n");
+		usage_with_options(u, options);
+	}
+
+	argc = parse_options(argc, argv, options, u, 0);
+	if (opt_called)
+		return 0;
+
+	if (uuid_parse(argv[1], uuid) < 0) {
+		fprintf(stderr, "Invalid uuid\n");
+		usage_with_options(u, options);
+	}
+
+	rc = accfg_remove_mdev(device, uuid);
+
+	return rc;
 }
-- 
2.26.2