[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(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]);
	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 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 = 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
46695227	10	static int res_mr_line(struct rd rd, const char name, int idx,
5a823593	11	struct nlattr **nla_line)
46695227	12	{
46695227 LR	13	uint32_t rkey = 0, lkey = 0;
	14	uint64_t iova = 0, mrlen;
	15	char *comm = NULL;
	16	uint32_t pdn = 0;
	17	uint32_t mrn = 0;
	18	uint32_t pid = 0;
46695227	19
f9313484	20	if (!nla_line[RDMA_NLDEV_ATTR_RES_MRLEN])
46695227	21	return MNL_CB_ERROR;
46695227 LR	22
	23	if (nla_line[RDMA_NLDEV_ATTR_RES_RKEY])
	24	rkey = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RKEY]);
	25	if (nla_line[RDMA_NLDEV_ATTR_RES_LKEY])
	26	lkey = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LKEY]);
	27	if (nla_line[RDMA_NLDEV_ATTR_RES_IOVA])
	28	iova = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_IOVA]);
	29
	30	mrlen = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]);
78728b7e LR	31	if (rd_is_filtered_attr(rd, "mrlen", mrlen,
78728b7e LR	32	nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]))
46695227 LR	33	goto out;
	34
	35	if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
	36	pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
	37	comm = get_task_name(pid);
	38	}
	39
78728b7e LR	40	if (rd_is_filtered_attr(rd, "pid", pid,
78728b7e LR	41	nla_line[RDMA_NLDEV_ATTR_RES_PID]))
46695227 LR	42	goto out;
	43
	44	if (nla_line[RDMA_NLDEV_ATTR_RES_MRN])
	45	mrn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_MRN]);
78728b7e LR	46	if (rd_is_filtered_attr(rd, "mrn", mrn,
78728b7e LR	47	nla_line[RDMA_NLDEV_ATTR_RES_MRN]))
46695227 LR	48	goto out;
	49
	50	if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
	51	pdn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
78728b7e LR	52	if (rd_is_filtered_attr(rd, "pdn", pdn,
78728b7e LR	53	nla_line[RDMA_NLDEV_ATTR_RES_PDN]))
46695227 LR	54	goto out;
	55
	56	if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])
	57	/* discard const from mnl_attr_get_str */
	58	comm = (char *)mnl_attr_get_str(
	59	nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]);
b0a688a5	60	open_json_object(NULL);
46695227	61	print_dev(rd, idx, name);
127ff956 LR	62	res_print_uint(rd, "mrn", mrn, nla_line[RDMA_NLDEV_ATTR_RES_MRN]);
	63	print_key(rd, "rkey", rkey, nla_line[RDMA_NLDEV_ATTR_RES_RKEY]);
	64	print_key(rd, "lkey", lkey, nla_line[RDMA_NLDEV_ATTR_RES_LKEY]);
	65	print_key(rd, "iova", iova, nla_line[RDMA_NLDEV_ATTR_RES_IOVA]);
	66	res_print_uint(rd, "mrlen", mrlen, nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]);
	67	res_print_uint(rd, "pdn", pdn, nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
	68	res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
46695227 LR	69	print_comm(rd, comm, nla_line);
46695227 LR	70
46695227 LR	71	print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
	72	newline(rd);
	73
	74	out:
	75	if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
	76	free(comm);
	77	return MNL_CB_OK;
	78	}
5a823593 LR	79
	80	int res_mr_idx_parse_cb(const struct nlmsghdr nlh, void data)
	81	{
	82	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
	83	struct rd *rd = data;
	84	const char *name;
	85	uint32_t idx;
	86
	87	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
	88	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] \|\| !tb[RDMA_NLDEV_ATTR_DEV_NAME])
	89	return MNL_CB_ERROR;
	90
	91	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
	92	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
	93
	94	return res_mr_line(rd, name, idx, tb);
	95	}
	96
42ed283e LR	97	int res_mr_parse_cb(const struct nlmsghdr nlh, void data)
	98	{
	99	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
	100	struct nlattr nla_table, nla_entry;
	101	struct rd *rd = data;
46695227	102	int ret = MNL_CB_OK;
42ed283e LR	103	const char *name;
	104	uint32_t idx;
	105
	106	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
	107	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] \|\| !tb[RDMA_NLDEV_ATTR_DEV_NAME] \|\|
	108	!tb[RDMA_NLDEV_ATTR_RES_MR])
	109	return MNL_CB_ERROR;
	110
	111	name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
	112	idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
	113	nla_table = tb[RDMA_NLDEV_ATTR_RES_MR];
	114
	115	mnl_attr_for_each_nested(nla_entry, nla_table) {
5a823593 LR	116	struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
	117
	118	ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
	119	if (ret != MNL_CB_OK)
	120	break;
46695227	121
5a823593	122	ret = res_mr_line(rd, name, idx, nla_line);
46695227 LR	123	if (ret != MNL_CB_OK)
46695227 LR	124	break;
42ed283e	125	}
46695227	126	return ret;
42ed283e	127	}