[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;
	print_color_string(PRINT_ANY, COLOR_NONE, "poll-ctx", "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_raw(struct rd *rd, const char *name, int idx,
			   struct nlattr **nla_line)
{
	if (!nla_line[RDMA_NLDEV_ATTR_RES_RAW])
		return MNL_CB_ERROR;

	open_json_object(NULL);
	print_dev(rd, idx, name);
	print_raw_data(rd, nla_line);
	newline(rd);

	return MNL_CB_OK;
}

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]);

	open_json_object(NULL);
	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 (rd->show_raw) ? res_cq_line_raw(rd, name, idx, tb) :
		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 = (rd->show_raw) ? res_cq_line_raw(rd, name, idx, nla_line) :
			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)
127ff956 LR	23	return;
b0a688a5 IK	24	print_color_string(PRINT_ANY, COLOR_NONE, "poll-ctx", "poll-ctx %s ",
b0a688a5 IK	25	poll_ctx_to_str(poll_ctx));
fcdd2e0c LR	26	}
fcdd2e0c LR	27
8a56ef32 YF	28	static void print_cq_dim_setting(struct rd rd, struct nlattr attr)
	29	{
	30	uint8_t dim_setting;
	31
	32	if (!attr)
	33	return;
	34
	35	dim_setting = mnl_attr_get_u8(attr);
	36	if (dim_setting > 1)
	37	return;
	38
	39	print_on_off(rd, "adaptive-moderation", dim_setting);
	40	}
	41
94323e96 MG	42	static int res_cq_line_raw(struct rd rd, const char name, int idx,
	43	struct nlattr **nla_line)
	44	{
	45	if (!nla_line[RDMA_NLDEV_ATTR_RES_RAW])
	46	return MNL_CB_ERROR;
	47
	48	open_json_object(NULL);
	49	print_dev(rd, idx, name);
	50	print_raw_data(rd, nla_line);
	51	newline(rd);
	52
	53	return MNL_CB_OK;
	54	}
	55
83ea7228	56	static int res_cq_line(struct rd rd, const char name, int idx,
5a823593	57	struct nlattr **nla_line)
83ea7228	58	{
83ea7228 LR	59	char *comm = NULL;
	60	uint32_t pid = 0;
	61	uint8_t poll_ctx = 0;
	62	uint32_t ctxn = 0;
	63	uint32_t cqn = 0;
	64	uint64_t users;
	65	uint32_t cqe;
83ea7228 LR	66
83ea7228 LR	67	if (!nla_line[RDMA_NLDEV_ATTR_RES_CQE] \|\|
f9313484	68	!nla_line[RDMA_NLDEV_ATTR_RES_USECNT])
83ea7228	69	return MNL_CB_ERROR;
83ea7228 LR	70
	71	cqe = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CQE]);
	72
	73	users = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
78728b7e LR	74	if (rd_is_filtered_attr(rd, "users", users,
78728b7e LR	75	nla_line[RDMA_NLDEV_ATTR_RES_USECNT]))
83ea7228 LR	76	goto out;
83ea7228 LR	77
78728b7e	78	if (nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX])
83ea7228 LR	79	poll_ctx =
83ea7228 LR	80	mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]);
78728b7e LR	81	if (rd_is_string_filtered_attr(rd, "poll-ctx",
	82	poll_ctx_to_str(poll_ctx),
	83	nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]))
	84	goto out;
83ea7228 LR	85
	86	if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
	87	pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
	88	comm = get_task_name(pid);
	89	}
	90
78728b7e LR	91	if (rd_is_filtered_attr(rd, "pid", pid,
78728b7e LR	92	nla_line[RDMA_NLDEV_ATTR_RES_PID]))
83ea7228 LR	93	goto out;
	94
	95	if (nla_line[RDMA_NLDEV_ATTR_RES_CQN])
	96	cqn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CQN]);
78728b7e LR	97	if (rd_is_filtered_attr(rd, "cqn", cqn,
78728b7e LR	98	nla_line[RDMA_NLDEV_ATTR_RES_CQN]))
83ea7228	99	goto out;
83ea7228 LR	100	if (nla_line[RDMA_NLDEV_ATTR_RES_CTXN])
83ea7228 LR	101	ctxn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CTXN]);
78728b7e LR	102	if (rd_is_filtered_attr(rd, "ctxn", ctxn,
78728b7e LR	103	nla_line[RDMA_NLDEV_ATTR_RES_CTXN]))
83ea7228 LR	104	goto out;
	105
	106	if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])
	107	/* discard const from mnl_attr_get_str */
	108	comm = (char *)mnl_attr_get_str(
	109	nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]);
	110
b0a688a5	111	open_json_object(NULL);
83ea7228	112	print_dev(rd, idx, name);
127ff956 LR	113	res_print_uint(rd, "cqn", cqn, nla_line[RDMA_NLDEV_ATTR_RES_CQN]);
	114	res_print_uint(rd, "cqe", cqe, nla_line[RDMA_NLDEV_ATTR_RES_CQE]);
	115	res_print_uint(rd, "users", users,
	116	nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
	117	print_poll_ctx(rd, poll_ctx, nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]);
8a56ef32	118	print_cq_dim_setting(rd, nla_line[RDMA_NLDEV_ATTR_DEV_DIM]);
127ff956 LR	119	res_print_uint(rd, "ctxn", ctxn, nla_line[RDMA_NLDEV_ATTR_RES_CTXN]);
127ff956 LR	120	res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
83ea7228 LR	121	print_comm(rd, comm, nla_line);
83ea7228 LR	122
83ea7228 LR	123	print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
	124	newline(rd);
	125
	126	out: if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
	127	free(comm);
	128	return MNL_CB_OK;
	129	}
	130
5a823593 LR	131	int res_cq_idx_parse_cb(const struct nlmsghdr nlh, void data)
	132	{
	133	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
	134	struct rd *rd = data;
	135	const char *name;
	136	uint32_t idx;
	137
	138	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
	139	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] \|\| !tb[RDMA_NLDEV_ATTR_DEV_NAME])
	140	return MNL_CB_ERROR;
	141
	142	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
	143	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
	144
94323e96 MG	145	return (rd->show_raw) ? res_cq_line_raw(rd, name, idx, tb) :
94323e96 MG	146	res_cq_line(rd, name, idx, tb);
5a823593 LR	147	}
5a823593 LR	148
fcdd2e0c LR	149	int res_cq_parse_cb(const struct nlmsghdr nlh, void data)
	150	{
	151	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
	152	struct nlattr nla_table, nla_entry;
	153	struct rd *rd = data;
83ea7228	154	int ret = MNL_CB_OK;
fcdd2e0c LR	155	const char *name;
	156	uint32_t idx;
	157
	158	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
	159	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] \|\| !tb[RDMA_NLDEV_ATTR_DEV_NAME] \|\|
	160	!tb[RDMA_NLDEV_ATTR_RES_CQ])
	161	return MNL_CB_ERROR;
	162
	163	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
	164	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
	165	nla_table = tb[RDMA_NLDEV_ATTR_RES_CQ];
	166
	167	mnl_attr_for_each_nested(nla_entry, nla_table) {
5a823593 LR	168	struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
	169
	170	ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
	171	if (ret != MNL_CB_OK)
	172	break;
	173
94323e96 MG	174	ret = (rd->show_raw) ? res_cq_line_raw(rd, name, idx, nla_line) :
94323e96 MG	175	res_cq_line(rd, name, idx, nla_line);
83ea7228 LR	176
	177	if (ret != MNL_CB_OK)
	178	break;
fcdd2e0c	179	}
83ea7228	180	return ret;
fcdd2e0c	181	}