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

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

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

static int res_mr_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_mr_line(struct rd *rd, const char *name, int idx,
		       struct nlattr **nla_line)
{
	uint32_t rkey = 0, lkey = 0;
	uint64_t iova = 0, mrlen;
	char *comm = NULL;
	uint32_t pdn = 0;
	uint32_t mrn = 0;
	uint32_t pid = 0;

	if (!nla_line[RDMA_NLDEV_ATTR_RES_MRLEN])
		return MNL_CB_ERROR;

	if (nla_line[RDMA_NLDEV_ATTR_RES_RKEY])
		rkey = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RKEY]);
	if (nla_line[RDMA_NLDEV_ATTR_RES_LKEY])
		lkey = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LKEY]);
	if (nla_line[RDMA_NLDEV_ATTR_RES_IOVA])
		iova = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_IOVA]);

	mrlen = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]);
	if (rd_is_filtered_attr(rd, "mrlen", mrlen,
				nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]))
		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_MRN])
		mrn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_MRN]);
	if (rd_is_filtered_attr(rd, "mrn", mrn,
				nla_line[RDMA_NLDEV_ATTR_RES_MRN]))
		goto out;

	if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
		pdn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
	if (rd_is_filtered_attr(rd, "pdn", pdn,
				nla_line[RDMA_NLDEV_ATTR_RES_PDN]))
		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, "mrn", mrn, nla_line[RDMA_NLDEV_ATTR_RES_MRN]);
	print_key(rd, "rkey", rkey, nla_line[RDMA_NLDEV_ATTR_RES_RKEY]);
	print_key(rd, "lkey", lkey, nla_line[RDMA_NLDEV_ATTR_RES_LKEY]);
	print_key(rd, "iova", iova, nla_line[RDMA_NLDEV_ATTR_RES_IOVA]);
	res_print_uint(rd, "mrlen", mrlen, nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]);
	res_print_uint(rd, "pdn", pdn, nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
	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]);
	print_raw_data(rd, nla_line);
	newline(rd);

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

int res_mr_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_mr_line_raw(rd, name, idx, tb) :
		res_mr_line(rd, name, idx, tb);
}

int res_mr_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_MR])
		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_MR];

	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_mr_line_raw(rd, name, idx, nla_line) :
			res_mr_line(rd, name, idx, nla_line);
		if (ret != MNL_CB_OK)
			break;
	}
	return ret;
}
Commit	Line	Data
42ed283e LR	1	// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
	2	/*
	3	* res-mr.c RDMA tool
	4	* Authors: Leon Romanovsky <leonro@mellanox.com>
	5	*/
	6
	7	#include "res.h"
	8	#include <inttypes.h>
	9
e2bbf737 MG	10	static int res_mr_line_raw(struct rd rd, const char name, int idx,
	11	struct nlattr **nla_line)
	12	{
	13	if (!nla_line[RDMA_NLDEV_ATTR_RES_RAW])
	14	return MNL_CB_ERROR;
	15
	16	open_json_object(NULL);
	17	print_dev(rd, idx, name);
	18	print_raw_data(rd, nla_line);
	19	newline(rd);
	20
	21	return MNL_CB_OK;
	22	}
	23
46695227	24	static int res_mr_line(struct rd rd, const char name, int idx,
5a823593	25	struct nlattr **nla_line)
46695227	26	{
46695227 LR	27	uint32_t rkey = 0, lkey = 0;
	28	uint64_t iova = 0, mrlen;
	29	char *comm = NULL;
	30	uint32_t pdn = 0;
	31	uint32_t mrn = 0;
	32	uint32_t pid = 0;
46695227	33
f9313484	34	if (!nla_line[RDMA_NLDEV_ATTR_RES_MRLEN])
46695227	35	return MNL_CB_ERROR;
46695227 LR	36
	37	if (nla_line[RDMA_NLDEV_ATTR_RES_RKEY])
	38	rkey = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RKEY]);
	39	if (nla_line[RDMA_NLDEV_ATTR_RES_LKEY])
	40	lkey = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LKEY]);
	41	if (nla_line[RDMA_NLDEV_ATTR_RES_IOVA])
	42	iova = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_IOVA]);
	43
	44	mrlen = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]);
78728b7e LR	45	if (rd_is_filtered_attr(rd, "mrlen", mrlen,
78728b7e LR	46	nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]))
46695227 LR	47	goto out;
	48
	49	if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
	50	pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
	51	comm = get_task_name(pid);
	52	}
	53
78728b7e LR	54	if (rd_is_filtered_attr(rd, "pid", pid,
78728b7e LR	55	nla_line[RDMA_NLDEV_ATTR_RES_PID]))
46695227 LR	56	goto out;
	57
	58	if (nla_line[RDMA_NLDEV_ATTR_RES_MRN])
	59	mrn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_MRN]);
78728b7e LR	60	if (rd_is_filtered_attr(rd, "mrn", mrn,
78728b7e LR	61	nla_line[RDMA_NLDEV_ATTR_RES_MRN]))
46695227 LR	62	goto out;
	63
	64	if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
	65	pdn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
78728b7e LR	66	if (rd_is_filtered_attr(rd, "pdn", pdn,
78728b7e LR	67	nla_line[RDMA_NLDEV_ATTR_RES_PDN]))
46695227 LR	68	goto out;
	69
	70	if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])
	71	/* discard const from mnl_attr_get_str */
	72	comm = (char *)mnl_attr_get_str(
	73	nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]);
b0a688a5	74	open_json_object(NULL);
46695227	75	print_dev(rd, idx, name);
127ff956 LR	76	res_print_uint(rd, "mrn", mrn, nla_line[RDMA_NLDEV_ATTR_RES_MRN]);
	77	print_key(rd, "rkey", rkey, nla_line[RDMA_NLDEV_ATTR_RES_RKEY]);
	78	print_key(rd, "lkey", lkey, nla_line[RDMA_NLDEV_ATTR_RES_LKEY]);
	79	print_key(rd, "iova", iova, nla_line[RDMA_NLDEV_ATTR_RES_IOVA]);
	80	res_print_uint(rd, "mrlen", mrlen, nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]);
	81	res_print_uint(rd, "pdn", pdn, nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
	82	res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
46695227 LR	83	print_comm(rd, comm, nla_line);
46695227 LR	84
46695227	85	print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
e2bbf737	86	print_raw_data(rd, nla_line);
46695227 LR	87	newline(rd);
	88
	89	out:
	90	if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
	91	free(comm);
	92	return MNL_CB_OK;
	93	}
5a823593 LR	94
	95	int res_mr_idx_parse_cb(const struct nlmsghdr nlh, void data)
	96	{
	97	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
	98	struct rd *rd = data;
	99	const char *name;
	100	uint32_t idx;
	101
	102	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
	103	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] \|\| !tb[RDMA_NLDEV_ATTR_DEV_NAME])
	104	return MNL_CB_ERROR;
	105
	106	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
	107	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
	108
e2bbf737 MG	109	return (rd->show_raw) ? res_mr_line_raw(rd, name, idx, tb) :
e2bbf737 MG	110	res_mr_line(rd, name, idx, tb);
5a823593 LR	111	}
5a823593 LR	112
42ed283e LR	113	int res_mr_parse_cb(const struct nlmsghdr nlh, void data)
	114	{
	115	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
	116	struct nlattr nla_table, nla_entry;
	117	struct rd *rd = data;
46695227	118	int ret = MNL_CB_OK;
42ed283e LR	119	const char *name;
	120	uint32_t idx;
	121
	122	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
	123	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] \|\| !tb[RDMA_NLDEV_ATTR_DEV_NAME] \|\|
	124	!tb[RDMA_NLDEV_ATTR_RES_MR])
	125	return MNL_CB_ERROR;
	126
	127	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
	128	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
	129	nla_table = tb[RDMA_NLDEV_ATTR_RES_MR];
	130
	131	mnl_attr_for_each_nested(nla_entry, nla_table) {
5a823593 LR	132	struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
	133
	134	ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
	135	if (ret != MNL_CB_OK)
	136	break;
46695227	137
e2bbf737 MG	138	ret = (rd->show_raw) ? res_mr_line_raw(rd, name, idx, nla_line) :
e2bbf737 MG	139	res_mr_line(rd, name, idx, nla_line);
46695227 LR	140	if (ret != MNL_CB_OK)
46695227 LR	141	break;
42ed283e	142	}
46695227	143	return ret;
42ed283e	144	}