[mirror_iproute2.git] / rdma / res-cq.c

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

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

static const char *poll_ctx_to_str(uint8_t idx)
{
	static const char * const cm_id_states_str[] = {
		"DIRECT", "SOFTIRQ", "WORKQUEUE", "UNBOUND_WORKQUEUE"};

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

static void print_poll_ctx(struct rd *rd, uint8_t poll_ctx, struct nlattr *attr)
{
	if (!attr)
		return;

	if (rd->json_output) {
		jsonw_string_field(rd->jw, "poll-ctx",
				   poll_ctx_to_str(poll_ctx));
		return;
	}
	pr_out("poll-ctx %s ", poll_ctx_to_str(poll_ctx));
}

static void print_cq_dim_setting(struct rd *rd, struct nlattr *attr)
{
	uint8_t dim_setting;

	if (!attr)
		return;

	dim_setting = mnl_attr_get_u8(attr);
	if (dim_setting > 1)
		return;

	print_on_off(rd, "adaptive-moderation", dim_setting);
}

static int res_cq_line(struct rd *rd, const char *name, int idx,
		       struct nlattr **nla_line)
{
	char *comm = NULL;
	uint32_t pid = 0;
	uint8_t poll_ctx = 0;
	uint32_t ctxn = 0;
	uint32_t cqn = 0;
	uint64_t users;
	uint32_t cqe;

	if (!nla_line[RDMA_NLDEV_ATTR_RES_CQE] ||
	    !nla_line[RDMA_NLDEV_ATTR_RES_USECNT])
		return MNL_CB_ERROR;

	cqe = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CQE]);

	users = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
	if (rd_is_filtered_attr(rd, "users", users,
				nla_line[RDMA_NLDEV_ATTR_RES_USECNT]))
		goto out;

	if (nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX])
		poll_ctx =
			mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]);
	if (rd_is_string_filtered_attr(rd, "poll-ctx",
				       poll_ctx_to_str(poll_ctx),
				       nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]))
		goto out;

	if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
		pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
		comm = get_task_name(pid);
	}

	if (rd_is_filtered_attr(rd, "pid", pid,
				nla_line[RDMA_NLDEV_ATTR_RES_PID]))
		goto out;

	if (nla_line[RDMA_NLDEV_ATTR_RES_CQN])
		cqn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CQN]);
	if (rd_is_filtered_attr(rd, "cqn", cqn,
				nla_line[RDMA_NLDEV_ATTR_RES_CQN]))
		goto out;
	if (nla_line[RDMA_NLDEV_ATTR_RES_CTXN])
		ctxn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CTXN]);
	if (rd_is_filtered_attr(rd, "ctxn", ctxn,
				nla_line[RDMA_NLDEV_ATTR_RES_CTXN]))
		goto out;

	if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])
		/* discard const from mnl_attr_get_str */
		comm = (char *)mnl_attr_get_str(
			nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]);

	if (rd->json_output)
		jsonw_start_array(rd->jw);

	print_dev(rd, idx, name);
	res_print_uint(rd, "cqn", cqn, nla_line[RDMA_NLDEV_ATTR_RES_CQN]);
	res_print_uint(rd, "cqe", cqe, nla_line[RDMA_NLDEV_ATTR_RES_CQE]);
	res_print_uint(rd, "users", users,
		       nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
	print_poll_ctx(rd, poll_ctx, nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]);
	print_cq_dim_setting(rd, nla_line[RDMA_NLDEV_ATTR_DEV_DIM]);
	res_print_uint(rd, "ctxn", ctxn, nla_line[RDMA_NLDEV_ATTR_RES_CTXN]);
	res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
	print_comm(rd, comm, nla_line);

	print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
	newline(rd);

out:	if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
		free(comm);
	return MNL_CB_OK;
}

int res_cq_idx_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;

	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);

	return res_cq_line(rd, name, idx, tb);
}

int res_cq_parse_cb(const struct nlmsghdr *nlh, void *data)
{
	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
	struct nlattr *nla_table, *nla_entry;
	struct rd *rd = data;
	int ret = MNL_CB_OK;
	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_CQ])
		return MNL_CB_ERROR;

	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
	nla_table = tb[RDMA_NLDEV_ATTR_RES_CQ];

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

		ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
		if (ret != MNL_CB_OK)
			break;

		ret = res_cq_line(rd, name, idx, nla_line);

		if (ret != MNL_CB_OK)
			break;
	}
	return ret;
}
Commit	Line	Data
fcdd2e0c LR	1	// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
	2	/*
	3	* res-cq.c RDMA tool
	4	* Authors: Leon Romanovsky <leonro@mellanox.com>
	5	*/
	6
	7	#include "res.h"
	8	#include <inttypes.h>
	9
fcdd2e0c LR	10	static const char *poll_ctx_to_str(uint8_t idx)
	11	{
	12	static const char * const cm_id_states_str[] = {
	13	"DIRECT", "SOFTIRQ", "WORKQUEUE", "UNBOUND_WORKQUEUE"};
	14
	15	if (idx < ARRAY_SIZE(cm_id_states_str))
	16	return cm_id_states_str[idx];
	17	return "UNKNOWN";
	18	}
	19
127ff956	20	static void print_poll_ctx(struct rd rd, uint8_t poll_ctx, struct nlattr attr)
fcdd2e0c	21	{
127ff956 LR	22	if (!attr)
	23	return;
	24
fcdd2e0c LR	25	if (rd->json_output) {
	26	jsonw_string_field(rd->jw, "poll-ctx",
	27	poll_ctx_to_str(poll_ctx));
	28	return;
	29	}
	30	pr_out("poll-ctx %s ", poll_ctx_to_str(poll_ctx));
	31	}
	32
8a56ef32 YF	33	static void print_cq_dim_setting(struct rd rd, struct nlattr attr)
	34	{
	35	uint8_t dim_setting;
	36
	37	if (!attr)
	38	return;
	39
	40	dim_setting = mnl_attr_get_u8(attr);
	41	if (dim_setting > 1)
	42	return;
	43
	44	print_on_off(rd, "adaptive-moderation", dim_setting);
	45	}
	46
83ea7228	47	static int res_cq_line(struct rd rd, const char name, int idx,
5a823593	48	struct nlattr **nla_line)
83ea7228	49	{
83ea7228 LR	50	char *comm = NULL;
	51	uint32_t pid = 0;
	52	uint8_t poll_ctx = 0;
	53	uint32_t ctxn = 0;
	54	uint32_t cqn = 0;
	55	uint64_t users;
	56	uint32_t cqe;
83ea7228 LR	57
83ea7228 LR	58	if (!nla_line[RDMA_NLDEV_ATTR_RES_CQE] \|\|
f9313484	59	!nla_line[RDMA_NLDEV_ATTR_RES_USECNT])
83ea7228	60	return MNL_CB_ERROR;
83ea7228 LR	61
	62	cqe = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CQE]);
	63
	64	users = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
78728b7e LR	65	if (rd_is_filtered_attr(rd, "users", users,
78728b7e LR	66	nla_line[RDMA_NLDEV_ATTR_RES_USECNT]))
83ea7228 LR	67	goto out;
83ea7228 LR	68
78728b7e	69	if (nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX])
83ea7228 LR	70	poll_ctx =
83ea7228 LR	71	mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]);
78728b7e LR	72	if (rd_is_string_filtered_attr(rd, "poll-ctx",
	73	poll_ctx_to_str(poll_ctx),
	74	nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]))
	75	goto out;
83ea7228 LR	76
	77	if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
	78	pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
	79	comm = get_task_name(pid);
	80	}
	81
78728b7e LR	82	if (rd_is_filtered_attr(rd, "pid", pid,
78728b7e LR	83	nla_line[RDMA_NLDEV_ATTR_RES_PID]))
83ea7228 LR	84	goto out;
	85
	86	if (nla_line[RDMA_NLDEV_ATTR_RES_CQN])
	87	cqn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CQN]);
78728b7e LR	88	if (rd_is_filtered_attr(rd, "cqn", cqn,
78728b7e LR	89	nla_line[RDMA_NLDEV_ATTR_RES_CQN]))
83ea7228	90	goto out;
83ea7228 LR	91	if (nla_line[RDMA_NLDEV_ATTR_RES_CTXN])
83ea7228 LR	92	ctxn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CTXN]);
78728b7e LR	93	if (rd_is_filtered_attr(rd, "ctxn", ctxn,
78728b7e LR	94	nla_line[RDMA_NLDEV_ATTR_RES_CTXN]))
83ea7228 LR	95	goto out;
	96
	97	if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])
	98	/* discard const from mnl_attr_get_str */
	99	comm = (char *)mnl_attr_get_str(
	100	nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]);
	101
	102	if (rd->json_output)
	103	jsonw_start_array(rd->jw);
	104
	105	print_dev(rd, idx, name);
127ff956 LR	106	res_print_uint(rd, "cqn", cqn, nla_line[RDMA_NLDEV_ATTR_RES_CQN]);
	107	res_print_uint(rd, "cqe", cqe, nla_line[RDMA_NLDEV_ATTR_RES_CQE]);
	108	res_print_uint(rd, "users", users,
	109	nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
	110	print_poll_ctx(rd, poll_ctx, nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]);
8a56ef32	111	print_cq_dim_setting(rd, nla_line[RDMA_NLDEV_ATTR_DEV_DIM]);
127ff956 LR	112	res_print_uint(rd, "ctxn", ctxn, nla_line[RDMA_NLDEV_ATTR_RES_CTXN]);
127ff956 LR	113	res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
83ea7228 LR	114	print_comm(rd, comm, nla_line);
83ea7228 LR	115
83ea7228 LR	116	print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
	117	newline(rd);
	118
	119	out: if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
	120	free(comm);
	121	return MNL_CB_OK;
	122	}
	123
5a823593 LR	124	int res_cq_idx_parse_cb(const struct nlmsghdr nlh, void data)
	125	{
	126	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
	127	struct rd *rd = data;
	128	const char *name;
	129	uint32_t idx;
	130
	131	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
	132	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] \|\| !tb[RDMA_NLDEV_ATTR_DEV_NAME])
	133	return MNL_CB_ERROR;
	134
	135	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
	136	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
	137
	138	return res_cq_line(rd, name, idx, tb);
	139	}
	140
fcdd2e0c LR	141	int res_cq_parse_cb(const struct nlmsghdr nlh, void data)
	142	{
	143	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
	144	struct nlattr nla_table, nla_entry;
	145	struct rd *rd = data;
83ea7228	146	int ret = MNL_CB_OK;
fcdd2e0c LR	147	const char *name;
	148	uint32_t idx;
	149
	150	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
	151	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] \|\| !tb[RDMA_NLDEV_ATTR_DEV_NAME] \|\|
	152	!tb[RDMA_NLDEV_ATTR_RES_CQ])
	153	return MNL_CB_ERROR;
	154
	155	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
	156	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
	157	nla_table = tb[RDMA_NLDEV_ATTR_RES_CQ];
	158
	159	mnl_attr_for_each_nested(nla_entry, nla_table) {
5a823593 LR	160	struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
	161
	162	ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
	163	if (ret != MNL_CB_OK)
	164	break;
	165
	166	ret = res_cq_line(rd, name, idx, nla_line);
83ea7228 LR	167
	168	if (ret != MNL_CB_OK)
	169	break;
fcdd2e0c	170	}
83ea7228	171	return ret;
fcdd2e0c	172	}