[mirror_iproute2.git] / rdma / dev.c

/*
 * dev.c	RDMA tool
 *
 *              This program is free software; you can redistribute it and/or
 *              modify it under the terms of the GNU General Public License
 *              as published by the Free Software Foundation; either version
 *              2 of the License, or (at your option) any later version.
 *
 * Authors:     Leon Romanovsky <leonro@mellanox.com>
 */

#include "rdma.h"

static int dev_help(struct rd *rd)
{
	pr_out("Usage: %s dev show [DEV]\n", rd->filename);
	pr_out("       %s dev set [DEV] name DEVNAME\n", rd->filename);
	return 0;
}

static const char *dev_caps_to_str(uint32_t idx)
{
#define RDMA_DEV_FLAGS_LOW(x) \
	x(RESIZE_MAX_WR, 0) \
	x(BAD_PKEY_CNTR, 1) \
	x(BAD_QKEY_CNTR, 2) \
	x(RAW_MULTI, 3) \
	x(AUTO_PATH_MIG, 4) \
	x(CHANGE_PHY_PORT, 5) \
	x(UD_AV_PORT_ENFORCE_PORT_ENFORCE, 6) \
	x(CURR_QP_STATE_MOD, 7) \
	x(SHUTDOWN_PORT, 8) \
	x(INIT_TYPE, 9) \
	x(PORT_ACTIVE_EVENT, 10) \
	x(SYS_IMAGE_GUID, 11) \
	x(RC_RNR_NAK_GEN, 12) \
	x(SRQ_RESIZE, 13) \
	x(N_NOTIFY_CQ, 14) \
	x(LOCAL_DMA_LKEY, 15) \
	x(MEM_WINDOW, 17) \
	x(UD_IP_CSUM, 18) \
	x(UD_TSO, 19) \
	x(XRC, 20) \
	x(MEM_MGT_EXTENSIONS, 21) \
	x(BLOCK_MULTICAST_LOOPBACK, 22) \
	x(MEM_WINDOW_TYPE_2A, 23) \
	x(MEM_WINDOW_TYPE_2B, 24) \
	x(RC_IP_CSUM, 25) \
	x(RAW_IP_CSUM, 26) \
	x(CROSS_CHANNEL, 27) \
	x(MANAGED_FLOW_STEERING, 29) \
	x(SIGNATURE_HANDOVER, 30) \
	x(ON_DEMAND_PAGING, 31)

#define RDMA_DEV_FLAGS_HIGH(x) \
	x(SG_GAPS_REG, 0) \
	x(VIRTUAL_FUNCTION, 1) \
	x(RAW_SCATTER_FCS, 2) \
	x(RDMA_NETDEV_OPA_VNIC, 3) \
	x(PCI_WRITE_END_PADDING, 4)

	/*
	 * Separation below is needed to allow compilation of rdmatool
	 * on 32bits systems. On such systems, C-enum is limited to be
	 * int and can't hold more than 32 bits.
	 */
	enum { RDMA_DEV_FLAGS_LOW(RDMA_BITMAP_ENUM) };
	enum { RDMA_DEV_FLAGS_HIGH(RDMA_BITMAP_ENUM) };

	static const char * const
		rdma_dev_names_low[] = { RDMA_DEV_FLAGS_LOW(RDMA_BITMAP_NAMES) };
	static const char * const
		rdma_dev_names_high[] = { RDMA_DEV_FLAGS_HIGH(RDMA_BITMAP_NAMES) };
	uint32_t high_idx;
	#undef RDMA_DEV_FLAGS_LOW
	#undef RDMA_DEV_FLAGS_HIGH

	if (idx < ARRAY_SIZE(rdma_dev_names_low) && rdma_dev_names_low[idx])
		return rdma_dev_names_low[idx];

	high_idx = idx - ARRAY_SIZE(rdma_dev_names_low);
	if (high_idx <  ARRAY_SIZE(rdma_dev_names_high) &&
	    rdma_dev_names_high[high_idx])
		return rdma_dev_names_high[high_idx];

	return "UNKNOWN";
}

static void dev_print_caps(struct rd *rd, struct nlattr **tb)
{
	uint64_t caps;
	uint32_t idx;

	if (!tb[RDMA_NLDEV_ATTR_CAP_FLAGS])
		return;

	caps = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_CAP_FLAGS]);

	if (rd->json_output) {
		jsonw_name(rd->jw, "caps");
		jsonw_start_array(rd->jw);
	} else {
		pr_out("\n    caps: <");
	}
	for (idx = 0; caps; idx++) {
		if (caps & 0x1) {
			if (rd->json_output) {
				jsonw_string(rd->jw, dev_caps_to_str(idx));
			} else {
				pr_out("%s", dev_caps_to_str(idx));
				if (caps >> 0x1)
					pr_out(", ");
			}
		}
		caps >>= 0x1;
	}

	if (rd->json_output)
		jsonw_end_array(rd->jw);
	else
		pr_out(">");
}

static void dev_print_fw(struct rd *rd, struct nlattr **tb)
{
	const char *str;
	if (!tb[RDMA_NLDEV_ATTR_FW_VERSION])
		return;

	str = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_FW_VERSION]);
	if (rd->json_output)
		jsonw_string_field(rd->jw, "fw", str);
	else
		pr_out("fw %s ", str);
}

static void dev_print_node_guid(struct rd *rd, struct nlattr **tb)
{
	uint64_t node_guid;
	uint16_t vp[4];
	char str[32];

	if (!tb[RDMA_NLDEV_ATTR_NODE_GUID])
		return;

	node_guid = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_NODE_GUID]);
	memcpy(vp, &node_guid, sizeof(uint64_t));
	snprintf(str, 32, "%04x:%04x:%04x:%04x", vp[3], vp[2], vp[1], vp[0]);
	if (rd->json_output)
		jsonw_string_field(rd->jw, "node_guid", str);
	else
		pr_out("node_guid %s ", str);
}

static void dev_print_sys_image_guid(struct rd *rd, struct nlattr **tb)
{
	uint64_t sys_image_guid;
	uint16_t vp[4];
	char str[32];

	if (!tb[RDMA_NLDEV_ATTR_SYS_IMAGE_GUID])
		return;

	sys_image_guid = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_SYS_IMAGE_GUID]);
	memcpy(vp, &sys_image_guid, sizeof(uint64_t));
	snprintf(str, 32, "%04x:%04x:%04x:%04x", vp[3], vp[2], vp[1], vp[0]);
	if (rd->json_output)
		jsonw_string_field(rd->jw, "sys_image_guid", str);
	else
		pr_out("sys_image_guid %s ", str);
}

static const char *node_type_to_str(uint8_t node_type)
{
	static const char * const node_type_str[] = { "unknown", "ca",
						      "switch", "router",
						      "rnic", "usnic",
						      "usnic_dp" };
	if (node_type < ARRAY_SIZE(node_type_str))
		return node_type_str[node_type];
	return "unknown";
}

static void dev_print_node_type(struct rd *rd, struct nlattr **tb)
{
	const char *node_str;
	uint8_t node_type;

	if (!tb[RDMA_NLDEV_ATTR_DEV_NODE_TYPE])
		return;

	node_type = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_DEV_NODE_TYPE]);
	node_str = node_type_to_str(node_type);
	if (rd->json_output)
		jsonw_string_field(rd->jw, "node_type", node_str);
	else
		pr_out("node_type %s ", node_str);
}

static int dev_parse_cb(const struct nlmsghdr *nlh, void *data)
{
	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
	struct rd *rd = data;
	const char *name;
	uint32_t idx;

	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME])
		return MNL_CB_ERROR;

	idx =  mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
	if (rd->json_output) {
		jsonw_uint_field(rd->jw, "ifindex", idx);
		jsonw_string_field(rd->jw, "ifname", name);
	} else {
		pr_out("%u: %s: ", idx, name);
	}

	dev_print_node_type(rd, tb);
	dev_print_fw(rd, tb);
	dev_print_node_guid(rd, tb);
	dev_print_sys_image_guid(rd, tb);
	if (rd->show_details)
		dev_print_caps(rd, tb);

	if (!rd->json_output)
		pr_out("\n");
	return MNL_CB_OK;
}

static int dev_no_args(struct rd *rd)
{
	uint32_t seq;
	int ret;

	rd_prepare_msg(rd, RDMA_NLDEV_CMD_GET,
		       &seq, (NLM_F_REQUEST | NLM_F_ACK));
	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
	ret = rd_send_msg(rd);
	if (ret)
		return ret;

	if (rd->json_output)
		jsonw_start_object(rd->jw);
	ret = rd_recv_msg(rd, dev_parse_cb, rd, seq);
	if (rd->json_output)
		jsonw_end_object(rd->jw);
	return ret;
}

static int dev_one_show(struct rd *rd)
{
	const struct rd_cmd cmds[] = {
		{ NULL,		dev_no_args},
		{ 0 }
	};

	return rd_exec_cmd(rd, cmds, "parameter");
}

static int dev_set_name(struct rd *rd)
{
	uint32_t seq;

	if (rd_no_arg(rd)) {
		pr_err("Please provide device new name.\n");
		return -EINVAL;
	}

	rd_prepare_msg(rd, RDMA_NLDEV_CMD_SET,
		       &seq, (NLM_F_REQUEST | NLM_F_ACK));
	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
	mnl_attr_put_strz(rd->nlh, RDMA_NLDEV_ATTR_DEV_NAME, rd_argv(rd));

	return rd_send_msg(rd);
}

static int dev_one_set(struct rd *rd)
{
	const struct rd_cmd cmds[] = {
		{ NULL,		dev_help},
		{ "name",	dev_set_name},
		{ 0 }
	};

	return rd_exec_cmd(rd, cmds, "parameter");
}

static int dev_show(struct rd *rd)
{
	return rd_exec_dev(rd, dev_one_show);
}

static int dev_set(struct rd *rd)
{
	return rd_exec_require_dev(rd, dev_one_set);
}

int cmd_dev(struct rd *rd)
{
	const struct rd_cmd cmds[] = {
		{ NULL,		dev_show },
		{ "show",	dev_show },
		{ "list",	dev_show },
		{ "set",	dev_set },
		{ "help",	dev_help },
		{ 0 }
	};

	return rd_exec_cmd(rd, cmds, "dev command");
}
Commit	Line	Data
40df8263 LR	1	/*
	2	* dev.c RDMA tool
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License
	6	* as published by the Free Software Foundation; either version
	7	* 2 of the License, or (at your option) any later version.
	8	*
	9	* Authors: Leon Romanovsky <leonro@mellanox.com>
	10	*/
	11
	12	#include "rdma.h"
	13
	14	static int dev_help(struct rd *rd)
	15	{
	16	pr_out("Usage: %s dev show [DEV]\n", rd->filename);
4443c9c6	17	pr_out(" %s dev set [DEV] name DEVNAME\n", rd->filename);
40df8263 LR	18	return 0;
	19	}
	20
	21	static const char *dev_caps_to_str(uint32_t idx)
	22	{
378dd31b	23	#define RDMA_DEV_FLAGS_LOW(x) \
40df8263 LR	24	x(RESIZE_MAX_WR, 0) \
	25	x(BAD_PKEY_CNTR, 1) \
	26	x(BAD_QKEY_CNTR, 2) \
	27	x(RAW_MULTI, 3) \
	28	x(AUTO_PATH_MIG, 4) \
	29	x(CHANGE_PHY_PORT, 5) \
	30	x(UD_AV_PORT_ENFORCE_PORT_ENFORCE, 6) \
	31	x(CURR_QP_STATE_MOD, 7) \
	32	x(SHUTDOWN_PORT, 8) \
	33	x(INIT_TYPE, 9) \
	34	x(PORT_ACTIVE_EVENT, 10) \
	35	x(SYS_IMAGE_GUID, 11) \
	36	x(RC_RNR_NAK_GEN, 12) \
	37	x(SRQ_RESIZE, 13) \
	38	x(N_NOTIFY_CQ, 14) \
	39	x(LOCAL_DMA_LKEY, 15) \
	40	x(MEM_WINDOW, 17) \
	41	x(UD_IP_CSUM, 18) \
	42	x(UD_TSO, 19) \
	43	x(XRC, 20) \
	44	x(MEM_MGT_EXTENSIONS, 21) \
	45	x(BLOCK_MULTICAST_LOOPBACK, 22) \
	46	x(MEM_WINDOW_TYPE_2A, 23) \
	47	x(MEM_WINDOW_TYPE_2B, 24) \
	48	x(RC_IP_CSUM, 25) \
	49	x(RAW_IP_CSUM, 26) \
	50	x(CROSS_CHANNEL, 27) \
	51	x(MANAGED_FLOW_STEERING, 29) \
	52	x(SIGNATURE_HANDOVER, 30) \
378dd31b	53	x(ON_DEMAND_PAGING, 31)
40df8263	54
378dd31b LR	55	#define RDMA_DEV_FLAGS_HIGH(x) \
	56	x(SG_GAPS_REG, 0) \
	57	x(VIRTUAL_FUNCTION, 1) \
	58	x(RAW_SCATTER_FCS, 2) \
	59	x(RDMA_NETDEV_OPA_VNIC, 3) \
	60	x(PCI_WRITE_END_PADDING, 4)
40df8263	61
378dd31b LR	62	/*
	63	* Separation below is needed to allow compilation of rdmatool
	64	* on 32bits systems. On such systems, C-enum is limited to be
	65	* int and can't hold more than 32 bits.
	66	*/
	67	enum { RDMA_DEV_FLAGS_LOW(RDMA_BITMAP_ENUM) };
	68	enum { RDMA_DEV_FLAGS_HIGH(RDMA_BITMAP_ENUM) };
	69
	70	static const char * const
	71	rdma_dev_names_low[] = { RDMA_DEV_FLAGS_LOW(RDMA_BITMAP_NAMES) };
40df8263	72	static const char * const
378dd31b LR	73	rdma_dev_names_high[] = { RDMA_DEV_FLAGS_HIGH(RDMA_BITMAP_NAMES) };
	74	uint32_t high_idx;
	75	#undef RDMA_DEV_FLAGS_LOW
	76	#undef RDMA_DEV_FLAGS_HIGH
	77
	78	if (idx < ARRAY_SIZE(rdma_dev_names_low) && rdma_dev_names_low[idx])
	79	return rdma_dev_names_low[idx];
	80
	81	high_idx = idx - ARRAY_SIZE(rdma_dev_names_low);
	82	if (high_idx < ARRAY_SIZE(rdma_dev_names_high) &&
	83	rdma_dev_names_high[high_idx])
	84	return rdma_dev_names_high[high_idx];
40df8263	85
40df8263 LR	86	return "UNKNOWN";
	87	}
	88
ef353e2e	89	static void dev_print_caps(struct rd rd, struct nlattr *tb)
40df8263 LR	90	{
	91	uint64_t caps;
	92	uint32_t idx;
	93
	94	if (!tb[RDMA_NLDEV_ATTR_CAP_FLAGS])
	95	return;
	96
	97	caps = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_CAP_FLAGS]);
	98
ef353e2e LR	99	if (rd->json_output) {
	100	jsonw_name(rd->jw, "caps");
	101	jsonw_start_array(rd->jw);
	102	} else {
	103	pr_out("\n caps: <");
	104	}
40df8263 LR	105	for (idx = 0; caps; idx++) {
40df8263 LR	106	if (caps & 0x1) {
ef353e2e LR	107	if (rd->json_output) {
	108	jsonw_string(rd->jw, dev_caps_to_str(idx));
	109	} else {
	110	pr_out("%s", dev_caps_to_str(idx));
	111	if (caps >> 0x1)
	112	pr_out(", ");
	113	}
40df8263 LR	114	}
	115	caps >>= 0x1;
	116	}
	117
ef353e2e LR	118	if (rd->json_output)
	119	jsonw_end_array(rd->jw);
	120	else
	121	pr_out(">");
40df8263 LR	122	}
40df8263 LR	123
ef353e2e	124	static void dev_print_fw(struct rd rd, struct nlattr *tb)
40df8263	125	{
ef353e2e	126	const char *str;
40df8263 LR	127	if (!tb[RDMA_NLDEV_ATTR_FW_VERSION])
	128	return;
	129
ef353e2e LR	130	str = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_FW_VERSION]);
	131	if (rd->json_output)
	132	jsonw_string_field(rd->jw, "fw", str);
	133	else
	134	pr_out("fw %s ", str);
40df8263 LR	135	}
40df8263 LR	136
ef353e2e	137	static void dev_print_node_guid(struct rd rd, struct nlattr *tb)
40df8263 LR	138	{
40df8263 LR	139	uint64_t node_guid;
ef353e2e LR	140	uint16_t vp[4];
ef353e2e LR	141	char str[32];
40df8263 LR	142
	143	if (!tb[RDMA_NLDEV_ATTR_NODE_GUID])
	144	return;
	145
	146	node_guid = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_NODE_GUID]);
ef353e2e LR	147	memcpy(vp, &node_guid, sizeof(uint64_t));
	148	snprintf(str, 32, "%04x:%04x:%04x:%04x", vp[3], vp[2], vp[1], vp[0]);
	149	if (rd->json_output)
	150	jsonw_string_field(rd->jw, "node_guid", str);
	151	else
	152	pr_out("node_guid %s ", str);
40df8263 LR	153	}
40df8263 LR	154
ef353e2e	155	static void dev_print_sys_image_guid(struct rd rd, struct nlattr *tb)
40df8263 LR	156	{
40df8263 LR	157	uint64_t sys_image_guid;
ef353e2e LR	158	uint16_t vp[4];
ef353e2e LR	159	char str[32];
40df8263 LR	160
	161	if (!tb[RDMA_NLDEV_ATTR_SYS_IMAGE_GUID])
	162	return;
	163
	164	sys_image_guid = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_SYS_IMAGE_GUID]);
ef353e2e LR	165	memcpy(vp, &sys_image_guid, sizeof(uint64_t));
	166	snprintf(str, 32, "%04x:%04x:%04x:%04x", vp[3], vp[2], vp[1], vp[0]);
	167	if (rd->json_output)
	168	jsonw_string_field(rd->jw, "sys_image_guid", str);
	169	else
	170	pr_out("sys_image_guid %s ", str);
40df8263 LR	171	}
	172
	173	static const char *node_type_to_str(uint8_t node_type)
	174	{
	175	static const char * const node_type_str[] = { "unknown", "ca",
	176	"switch", "router",
	177	"rnic", "usnic",
	178	"usnic_dp" };
	179	if (node_type < ARRAY_SIZE(node_type_str))
	180	return node_type_str[node_type];
	181	return "unknown";
	182	}
	183
ef353e2e	184	static void dev_print_node_type(struct rd rd, struct nlattr *tb)
40df8263	185	{
ef353e2e	186	const char *node_str;
40df8263 LR	187	uint8_t node_type;
	188
	189	if (!tb[RDMA_NLDEV_ATTR_DEV_NODE_TYPE])
	190	return;
	191
	192	node_type = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_DEV_NODE_TYPE]);
ef353e2e LR	193	node_str = node_type_to_str(node_type);
	194	if (rd->json_output)
	195	jsonw_string_field(rd->jw, "node_type", node_str);
	196	else
	197	pr_out("node_type %s ", node_str);
40df8263 LR	198	}
	199
	200	static int dev_parse_cb(const struct nlmsghdr nlh, void data)
	201	{
	202	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
	203	struct rd *rd = data;
ef353e2e LR	204	const char *name;
ef353e2e LR	205	uint32_t idx;
40df8263 LR	206
	207	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
	208	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] \|\| !tb[RDMA_NLDEV_ATTR_DEV_NAME])
	209	return MNL_CB_ERROR;
	210
ef353e2e LR	211	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
	212	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
	213	if (rd->json_output) {
	214	jsonw_uint_field(rd->jw, "ifindex", idx);
	215	jsonw_string_field(rd->jw, "ifname", name);
	216	} else {
	217	pr_out("%u: %s: ", idx, name);
	218	}
	219
	220	dev_print_node_type(rd, tb);
	221	dev_print_fw(rd, tb);
	222	dev_print_node_guid(rd, tb);
	223	dev_print_sys_image_guid(rd, tb);
40df8263	224	if (rd->show_details)
ef353e2e	225	dev_print_caps(rd, tb);
40df8263	226
ef353e2e LR	227	if (!rd->json_output)
ef353e2e LR	228	pr_out("\n");
40df8263 LR	229	return MNL_CB_OK;
	230	}
	231
	232	static int dev_no_args(struct rd *rd)
	233	{
	234	uint32_t seq;
	235	int ret;
	236
	237	rd_prepare_msg(rd, RDMA_NLDEV_CMD_GET,
	238	&seq, (NLM_F_REQUEST \| NLM_F_ACK));
	239	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
	240	ret = rd_send_msg(rd);
	241	if (ret)
	242	return ret;
	243
ef353e2e LR	244	if (rd->json_output)
	245	jsonw_start_object(rd->jw);
	246	ret = rd_recv_msg(rd, dev_parse_cb, rd, seq);
	247	if (rd->json_output)
	248	jsonw_end_object(rd->jw);
	249	return ret;
40df8263 LR	250	}
	251
	252	static int dev_one_show(struct rd *rd)
	253	{
	254	const struct rd_cmd cmds[] = {
	255	{ NULL, dev_no_args},
	256	{ 0 }
	257	};
	258
	259	return rd_exec_cmd(rd, cmds, "parameter");
	260	}
	261
4443c9c6 LR	262	static int dev_set_name(struct rd *rd)
	263	{
	264	uint32_t seq;
	265
	266	if (rd_no_arg(rd)) {
	267	pr_err("Please provide device new name.\n");
	268	return -EINVAL;
	269	}
	270
	271	rd_prepare_msg(rd, RDMA_NLDEV_CMD_SET,
	272	&seq, (NLM_F_REQUEST \| NLM_F_ACK));
	273	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
	274	mnl_attr_put_strz(rd->nlh, RDMA_NLDEV_ATTR_DEV_NAME, rd_argv(rd));
	275
	276	return rd_send_msg(rd);
	277	}
	278
	279	static int dev_one_set(struct rd *rd)
	280	{
	281	const struct rd_cmd cmds[] = {
	282	{ NULL, dev_help},
	283	{ "name", dev_set_name},
	284	{ 0 }
	285	};
	286
	287	return rd_exec_cmd(rd, cmds, "parameter");
	288	}
	289
40df8263 LR	290	static int dev_show(struct rd *rd)
40df8263 LR	291	{
8b92a2c9	292	return rd_exec_dev(rd, dev_one_show);
40df8263 LR	293	}
40df8263 LR	294
4443c9c6 LR	295	static int dev_set(struct rd *rd)
	296	{
	297	return rd_exec_require_dev(rd, dev_one_set);
	298	}
	299
40df8263 LR	300	int cmd_dev(struct rd *rd)
	301	{
	302	const struct rd_cmd cmds[] = {
	303	{ NULL, dev_show },
	304	{ "show", dev_show },
	305	{ "list", dev_show },
4443c9c6	306	{ "set", dev_set },
40df8263 LR	307	{ "help", dev_help },
	308	{ 0 }
	309	};
	310
	311	return rd_exec_cmd(rd, cmds, "dev command");
	312	}