[mirror_iproute2.git] / rdma / res.c

// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/*
 * res.c	RDMA tool
 * Authors:     Leon Romanovsky <leonro@mellanox.com>
 */

#include "res.h"
#include <inttypes.h>

static int res_help(struct rd *rd)
{
	pr_out("Usage: %s resource\n", rd->filename);
	pr_out("          resource show [DEV]\n");
	pr_out("          resource show [qp|cm_id|pd|mr|cq]\n");
	pr_out("          resource show qp link [DEV/PORT]\n");
	pr_out("          resource show qp link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
	pr_out("          resource show cm_id link [DEV/PORT]\n");
	pr_out("          resource show cm_id link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
	pr_out("          resource show cq link [DEV/PORT]\n");
	pr_out("          resource show cq link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
	pr_out("          resource show pd dev [DEV]\n");
	pr_out("          resource show pd dev [DEV] [FILTER-NAME FILTER-VALUE]\n");
	pr_out("          resource show mr dev [DEV]\n");
	pr_out("          resource show mr dev [DEV] [FILTER-NAME FILTER-VALUE]\n");
	return 0;
}

static int res_print_summary(struct rd *rd, struct nlattr **tb)
{
	struct nlattr *nla_table = tb[RDMA_NLDEV_ATTR_RES_SUMMARY];
	struct nlattr *nla_entry;
	const char *name;
	uint64_t curr;
	int err;

	mnl_attr_for_each_nested(nla_entry, nla_table) {
		struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};

		err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
		if (err != MNL_CB_OK)
			return -EINVAL;

		if (!nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME] ||
		    !nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR]) {
			return -EINVAL;
		}

		name = mnl_attr_get_str(nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME]);
		curr = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR]);
		res_print_uint(
			rd, name, curr,
			nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR]);
	}
	return 0;
}

static int res_no_args_idx_parse_cb(const struct nlmsghdr *nlh, void *data)
{
	return MNL_CB_OK;
}

static int res_no_args_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] ||
	    !tb[RDMA_NLDEV_ATTR_RES_SUMMARY])
		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]);
	open_json_object(NULL);
	print_color_uint(PRINT_ANY, COLOR_NONE, "ifindex", "%u: ", idx);
	print_color_string(PRINT_ANY, COLOR_NONE, "ifname", "%s: ", name);
	res_print_summary(rd, tb);
	newline(rd);
	return MNL_CB_OK;
}

int _res_send_idx_msg(struct rd *rd, uint32_t command, mnl_cb_t callback,
		      uint32_t idx, uint32_t id)
{
	uint32_t flags = NLM_F_REQUEST | NLM_F_ACK;
	uint32_t seq;
	int ret;

	rd_prepare_msg(rd, command, &seq, flags);
	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
	if (rd->port_idx)
		mnl_attr_put_u32(rd->nlh,
				 RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);

	mnl_attr_put_u32(rd->nlh, id, idx);

	if (command == RDMA_NLDEV_CMD_STAT_GET)
		mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_RES,
				 RDMA_NLDEV_ATTR_RES_MR);

	ret = rd_send_msg(rd);
	if (ret)
		return ret;
	ret = rd_recv_msg(rd, callback, rd, seq);
	return ret;
}

int _res_send_msg(struct rd *rd, uint32_t command, mnl_cb_t callback)
{
	uint32_t flags = NLM_F_REQUEST | NLM_F_ACK;
	uint32_t seq;
	int ret;

	if (command != RDMA_NLDEV_CMD_RES_GET)
		flags |= NLM_F_DUMP;

	rd_prepare_msg(rd, command, &seq, flags);
	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
	if (rd->port_idx)
		mnl_attr_put_u32(rd->nlh,
				 RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);

	if (command == RDMA_NLDEV_CMD_STAT_GET)
		mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_RES,
				 RDMA_NLDEV_ATTR_RES_MR);

	ret = rd_send_msg(rd);
	if (ret)
		return ret;

	ret = rd_recv_msg(rd, callback, rd, seq);
	return ret;
}

const char *qp_types_to_str(uint8_t idx)
{
	static const char * const qp_types_str[] = { "SMI", "GSI", "RC",
						     "UC", "UD", "RAW_IPV6",
						     "RAW_ETHERTYPE",
						     "UNKNOWN", "RAW_PACKET",
						     "XRC_INI", "XRC_TGT",
						     [0xFF] = "DRIVER",
	};

	if (idx < ARRAY_SIZE(qp_types_str) && qp_types_str[idx])
		return qp_types_str[idx];
	return "UNKNOWN";
}

void print_comm(struct rd *rd, const char *str, struct nlattr **nla_line)
{
	char tmp[18];

	if (!str)
		return;

	if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
		snprintf(tmp, sizeof(tmp), "%s", str);
	else
		snprintf(tmp, sizeof(tmp), "[%s]", str);
	print_color_string(PRINT_ANY, COLOR_NONE, "comm", "comm %s ", str);
}

void print_dev(struct rd *rd, uint32_t idx, const char *name)
{
	print_color_int(PRINT_ANY, COLOR_NONE, "ifindex", "ifindex %d ", idx);
	print_color_string(PRINT_ANY, COLOR_NONE, "ifname", "ifname %s ", name);
}

void print_link(struct rd *rd, uint32_t idx, const char *name, uint32_t port,
		struct nlattr **nla_line)
{
	print_color_uint(PRINT_JSON, COLOR_NONE, "ifindex", NULL, idx);
	print_color_string(PRINT_ANY, COLOR_NONE, "ifname", "link %s/", name);
	if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
		print_color_uint(PRINT_ANY, COLOR_NONE, "port", "%u ", port);
}

char *get_task_name(uint32_t pid)
{
	char *comm;
	FILE *f;

	if (!pid)
		return NULL;

	if (asprintf(&comm, "/proc/%d/comm", pid) < 0)
		return NULL;

	f = fopen(comm, "r");
	free(comm);
	if (!f)
		return NULL;

	if (fscanf(f, "%ms\n", &comm) != 1)
		comm = NULL;

	fclose(f);

	return comm;
}

void print_key(struct rd *rd, const char *name, uint64_t val,
	       struct nlattr *nlattr)
{
	if (!nlattr)
		return;
	print_color_string(PRINT_FP, COLOR_NONE, NULL, name, NULL);
	print_color_hex(PRINT_ANY, COLOR_NONE, name, " 0x%" PRIx64 " ", val);
}

void res_print_uint(struct rd *rd, const char *name, uint64_t val,
		    struct nlattr *nlattr)
{
	if (!nlattr)
		return;
	print_color_uint(PRINT_ANY, COLOR_NONE, name, name, val);
	print_color_uint(PRINT_FP, COLOR_NONE, NULL, " %d ", val);
}

RES_FUNC(res_no_args,	RDMA_NLDEV_CMD_RES_GET,	NULL, true, 0);

static int res_show(struct rd *rd)
{
	const struct rd_cmd cmds[] = {
		{ NULL,		res_no_args	},
		{ "qp",		res_qp		},
		{ "cm_id",	res_cm_id	},
		{ "cq",		res_cq		},
		{ "mr",		res_mr		},
		{ "pd",		res_pd		},
		{ 0 }
	};

	/*
	 * Special case to support "rdma res show DEV_NAME"
	 */
	if (rd_argc(rd) == 1 && dev_map_lookup(rd, false))
		return rd_exec_dev(rd, _res_no_args);

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

int cmd_res(struct rd *rd)
{
	const struct rd_cmd cmds[] = {
		{ NULL,		res_show },
		{ "show",	res_show },
		{ "list",	res_show },
		{ "help",	res_help },
		{ 0 }
	};

	return rd_exec_cmd(rd, cmds, "resource command");
}
Commit	Line	Data
835d8321	1	// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
923aa825 LR	2	/*
923aa825 LR	3	* res.c RDMA tool
923aa825 LR	4	* Authors: Leon Romanovsky <leonro@mellanox.com>
	5	*/
	6
cc613127	7	#include "res.h"
923aa825 LR	8	#include <inttypes.h>
	9
	10	static int res_help(struct rd *rd)
	11	{
	12	pr_out("Usage: %s resource\n", rd->filename);
	13	pr_out(" resource show [DEV]\n");
4ee770ee	14	pr_out(" resource show [qp\|cm_id\|pd\|mr\|cq]\n");
8ecac46a LR	15	pr_out(" resource show qp link [DEV/PORT]\n");
8ecac46a LR	16	pr_out(" resource show qp link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
9a362cc7 SW	17	pr_out(" resource show cm_id link [DEV/PORT]\n");
9a362cc7 SW	18	pr_out(" resource show cm_id link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
b0b8e32c SW	19	pr_out(" resource show cq link [DEV/PORT]\n");
b0b8e32c SW	20	pr_out(" resource show cq link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
4ee770ee LR	21	pr_out(" resource show pd dev [DEV]\n");
	22	pr_out(" resource show pd dev [DEV] [FILTER-NAME FILTER-VALUE]\n");
	23	pr_out(" resource show mr dev [DEV]\n");
	24	pr_out(" resource show mr dev [DEV] [FILTER-NAME FILTER-VALUE]\n");
923aa825 LR	25	return 0;
	26	}
	27
	28	static int res_print_summary(struct rd rd, struct nlattr *tb)
	29	{
	30	struct nlattr *nla_table = tb[RDMA_NLDEV_ATTR_RES_SUMMARY];
	31	struct nlattr *nla_entry;
	32	const char *name;
	33	uint64_t curr;
	34	int err;
	35
	36	mnl_attr_for_each_nested(nla_entry, nla_table) {
	37	struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
923aa825 LR	38
	39	err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
	40	if (err != MNL_CB_OK)
	41	return -EINVAL;
	42
	43	if (!nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME] \|\|
	44	!nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR]) {
	45	return -EINVAL;
	46	}
	47
	48	name = mnl_attr_get_str(nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME]);
	49	curr = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR]);
127ff956 LR	50	res_print_uint(
	51	rd, name, curr,
	52	nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR]);
923aa825 LR	53	}
	54	return 0;
	55	}
	56
5a823593 LR	57	static int res_no_args_idx_parse_cb(const struct nlmsghdr nlh, void data)
	58	{
	59	return MNL_CB_OK;
	60	}
	61
923aa825 LR	62	static int res_no_args_parse_cb(const struct nlmsghdr nlh, void data)
	63	{
	64	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
	65	struct rd *rd = data;
	66	const char *name;
	67	uint32_t idx;
	68
	69	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
	70	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] \|\|
	71	!tb[RDMA_NLDEV_ATTR_DEV_NAME] \|\|
	72	!tb[RDMA_NLDEV_ATTR_RES_SUMMARY])
	73	return MNL_CB_ERROR;
	74
	75	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
	76	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
b0a688a5 IK	77	open_json_object(NULL);
	78	print_color_uint(PRINT_ANY, COLOR_NONE, "ifindex", "%u: ", idx);
	79	print_color_string(PRINT_ANY, COLOR_NONE, "ifname", "%s: ", name);
923aa825	80	res_print_summary(rd, tb);
b0a688a5	81	newline(rd);
923aa825 LR	82	return MNL_CB_OK;
	83	}
	84
5a823593 LR	85	int _res_send_idx_msg(struct rd *rd, uint32_t command, mnl_cb_t callback,
	86	uint32_t idx, uint32_t id)
	87	{
	88	uint32_t flags = NLM_F_REQUEST \| NLM_F_ACK;
	89	uint32_t seq;
	90	int ret;
	91
	92	rd_prepare_msg(rd, command, &seq, flags);
	93	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
	94	if (rd->port_idx)
	95	mnl_attr_put_u32(rd->nlh,
	96	RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
	97
	98	mnl_attr_put_u32(rd->nlh, id, idx);
	99
33552ade EA	100	if (command == RDMA_NLDEV_CMD_STAT_GET)
	101	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_RES,
	102	RDMA_NLDEV_ATTR_RES_MR);
	103
5a823593 LR	104	ret = rd_send_msg(rd);
	105	if (ret)
	106	return ret;
5a823593	107	ret = rd_recv_msg(rd, callback, rd, seq);
5a823593 LR	108	return ret;
	109	}
	110
cc613127	111	int _res_send_msg(struct rd *rd, uint32_t command, mnl_cb_t callback)
923aa825 LR	112	{
	113	uint32_t flags = NLM_F_REQUEST \| NLM_F_ACK;
	114	uint32_t seq;
	115	int ret;
	116
	117	if (command != RDMA_NLDEV_CMD_RES_GET)
	118	flags \|= NLM_F_DUMP;
	119
	120	rd_prepare_msg(rd, command, &seq, flags);
	121	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
	122	if (rd->port_idx)
	123	mnl_attr_put_u32(rd->nlh,
	124	RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
	125
33552ade EA	126	if (command == RDMA_NLDEV_CMD_STAT_GET)
	127	mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_RES,
	128	RDMA_NLDEV_ATTR_RES_MR);
	129
923aa825 LR	130	ret = rd_send_msg(rd);
	131	if (ret)
	132	return ret;
	133
923aa825	134	ret = rd_recv_msg(rd, callback, rd, seq);
923aa825 LR	135	return ret;
	136	}
	137
438fac3a	138	const char *qp_types_to_str(uint8_t idx)
8ecac46a LR	139	{
	140	static const char * const qp_types_str[] = { "SMI", "GSI", "RC",
	141	"UC", "UD", "RAW_IPV6",
	142	"RAW_ETHERTYPE",
	143	"UNKNOWN", "RAW_PACKET",
39307384 GP	144	"XRC_INI", "XRC_TGT",
	145	[0xFF] = "DRIVER",
	146	};
8ecac46a	147
39307384	148	if (idx < ARRAY_SIZE(qp_types_str) && qp_types_str[idx])
8ecac46a LR	149	return qp_types_str[idx];
	150	return "UNKNOWN";
	151	}
	152
cc613127	153	void print_comm(struct rd rd, const char str, struct nlattr **nla_line)
8ecac46a LR	154	{
	155	char tmp[18];
	156
4e2d9fc4 MZ	157	if (!str)
	158	return;
	159
8ecac46a LR	160	if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
	161	snprintf(tmp, sizeof(tmp), "%s", str);
	162	else
	163	snprintf(tmp, sizeof(tmp), "[%s]", str);
b0a688a5	164	print_color_string(PRINT_ANY, COLOR_NONE, "comm", "comm %s ", str);
8ecac46a LR	165	}
8ecac46a LR	166
cc613127	167	void print_dev(struct rd rd, uint32_t idx, const char name)
b0b8e32c	168	{
b0a688a5 IK	169	print_color_int(PRINT_ANY, COLOR_NONE, "ifindex", "ifindex %d ", idx);
b0a688a5 IK	170	print_color_string(PRINT_ANY, COLOR_NONE, "ifname", "ifname %s ", name);
b0b8e32c SW	171	}
b0b8e32c SW	172
438fac3a LR	173	void print_link(struct rd rd, uint32_t idx, const char name, uint32_t port,
438fac3a LR	174	struct nlattr **nla_line)
8ecac46a	175	{
b0a688a5 IK	176	print_color_uint(PRINT_JSON, COLOR_NONE, "ifindex", NULL, idx);
	177	print_color_string(PRINT_ANY, COLOR_NONE, "ifname", "link %s/", name);
	178	if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
	179	print_color_uint(PRINT_ANY, COLOR_NONE, "port", "%u ", port);
8ecac46a LR	180	}
8ecac46a LR	181
cc613127	182	char *get_task_name(uint32_t pid)
8ecac46a LR	183	{
	184	char *comm;
	185	FILE *f;
	186
f9313484 LR	187	if (!pid)
	188	return NULL;
	189
8ecac46a LR	190	if (asprintf(&comm, "/proc/%d/comm", pid) < 0)
	191	return NULL;
	192
	193	f = fopen(comm, "r");
	194	free(comm);
	195	if (!f)
	196	return NULL;
	197
	198	if (fscanf(f, "%ms\n", &comm) != 1)
	199	comm = NULL;
	200
	201	fclose(f);
	202
	203	return comm;
	204	}
	205
127ff956 LR	206	void print_key(struct rd rd, const char name, uint64_t val,
127ff956 LR	207	struct nlattr *nlattr)
96f59e7f	208	{
127ff956 LR	209	if (!nlattr)
127ff956 LR	210	return;
b0a688a5 IK	211	print_color_string(PRINT_FP, COLOR_NONE, NULL, name, NULL);
b0a688a5 IK	212	print_color_hex(PRINT_ANY, COLOR_NONE, name, " 0x%" PRIx64 " ", val);
96f59e7f LR	213	}
96f59e7f LR	214
127ff956 LR	215	void res_print_uint(struct rd rd, const char name, uint64_t val,
127ff956 LR	216	struct nlattr *nlattr)
96f59e7f	217	{
127ff956 LR	218	if (!nlattr)
127ff956 LR	219	return;
b0a688a5 IK	220	print_color_uint(PRINT_ANY, COLOR_NONE, name, name, val);
b0a688a5 IK	221	print_color_uint(PRINT_FP, COLOR_NONE, NULL, " %d ", val);
96f59e7f LR	222	}
96f59e7f LR	223
5a823593	224	RES_FUNC(res_no_args, RDMA_NLDEV_CMD_RES_GET, NULL, true, 0);
923aa825 LR	225
	226	static int res_show(struct rd *rd)
	227	{
	228	const struct rd_cmd cmds[] = {
	229	{ NULL, res_no_args },
8ecac46a	230	{ "qp", res_qp },
9a362cc7	231	{ "cm_id", res_cm_id },
b0b8e32c	232	{ "cq", res_cq },
8958a15c	233	{ "mr", res_mr },
4060e4c0	234	{ "pd", res_pd },
923aa825 LR	235	{ 0 }
	236	};
	237
	238	/*
	239	* Special case to support "rdma res show DEV_NAME"
	240	*/
	241	if (rd_argc(rd) == 1 && dev_map_lookup(rd, false))
	242	return rd_exec_dev(rd, _res_no_args);
	243
	244	return rd_exec_cmd(rd, cmds, "parameter");
	245	}
	246
	247	int cmd_res(struct rd *rd)
	248	{
	249	const struct rd_cmd cmds[] = {
	250	{ NULL, res_show },
	251	{ "show", res_show },
	252	{ "list", res_show },
	253	{ "help", res_help },
	254	{ 0 }
	255	};
	256
	257	return rd_exec_cmd(rd, cmds, "resource command");
	258	}