1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
4 * Authors: Leon Romanovsky <leonro@mellanox.com>
10 static int res_mr_line(struct rd
*rd
, const char *name
, int idx
,
11 struct nlattr
*nla_entry
)
13 struct nlattr
*nla_line
[RDMA_NLDEV_ATTR_MAX
] = {};
14 uint32_t rkey
= 0, lkey
= 0;
15 uint64_t iova
= 0, mrlen
;
22 err
= mnl_attr_parse_nested(nla_entry
, rd_attr_cb
, nla_line
);
26 if (!nla_line
[RDMA_NLDEV_ATTR_RES_MRLEN
] ||
27 (!nla_line
[RDMA_NLDEV_ATTR_RES_PID
] &&
28 !nla_line
[RDMA_NLDEV_ATTR_RES_KERN_NAME
])) {
32 if (nla_line
[RDMA_NLDEV_ATTR_RES_RKEY
])
33 rkey
= mnl_attr_get_u32(nla_line
[RDMA_NLDEV_ATTR_RES_RKEY
]);
34 if (nla_line
[RDMA_NLDEV_ATTR_RES_LKEY
])
35 lkey
= mnl_attr_get_u32(nla_line
[RDMA_NLDEV_ATTR_RES_LKEY
]);
36 if (nla_line
[RDMA_NLDEV_ATTR_RES_IOVA
])
37 iova
= mnl_attr_get_u64(nla_line
[RDMA_NLDEV_ATTR_RES_IOVA
]);
39 mrlen
= mnl_attr_get_u64(nla_line
[RDMA_NLDEV_ATTR_RES_MRLEN
]);
40 if (rd_check_is_filtered(rd
, "mrlen", mrlen
))
43 if (nla_line
[RDMA_NLDEV_ATTR_RES_PID
]) {
44 pid
= mnl_attr_get_u32(nla_line
[RDMA_NLDEV_ATTR_RES_PID
]);
45 comm
= get_task_name(pid
);
48 if (rd_check_is_filtered(rd
, "pid", pid
))
51 if (nla_line
[RDMA_NLDEV_ATTR_RES_MRN
])
52 mrn
= mnl_attr_get_u32(nla_line
[RDMA_NLDEV_ATTR_RES_MRN
]);
53 if (rd_check_is_filtered(rd
, "mrn", mrn
))
56 if (nla_line
[RDMA_NLDEV_ATTR_RES_PDN
])
57 pdn
= mnl_attr_get_u32(nla_line
[RDMA_NLDEV_ATTR_RES_PDN
]);
58 if (rd_check_is_filtered(rd
, "pdn", pdn
))
61 if (nla_line
[RDMA_NLDEV_ATTR_RES_KERN_NAME
])
62 /* discard const from mnl_attr_get_str */
63 comm
= (char *)mnl_attr_get_str(
64 nla_line
[RDMA_NLDEV_ATTR_RES_KERN_NAME
]);
67 jsonw_start_array(rd
->jw
);
69 print_dev(rd
, idx
, name
);
70 res_print_uint(rd
, "mrn", mrn
, nla_line
[RDMA_NLDEV_ATTR_RES_MRN
]);
71 print_key(rd
, "rkey", rkey
, nla_line
[RDMA_NLDEV_ATTR_RES_RKEY
]);
72 print_key(rd
, "lkey", lkey
, nla_line
[RDMA_NLDEV_ATTR_RES_LKEY
]);
73 print_key(rd
, "iova", iova
, nla_line
[RDMA_NLDEV_ATTR_RES_IOVA
]);
74 res_print_uint(rd
, "mrlen", mrlen
, nla_line
[RDMA_NLDEV_ATTR_RES_MRLEN
]);
75 res_print_uint(rd
, "pdn", pdn
, nla_line
[RDMA_NLDEV_ATTR_RES_PDN
]);
76 res_print_uint(rd
, "pid", pid
, nla_line
[RDMA_NLDEV_ATTR_RES_PID
]);
77 print_comm(rd
, comm
, nla_line
);
79 print_driver_table(rd
, nla_line
[RDMA_NLDEV_ATTR_DRIVER
]);
83 if (nla_line
[RDMA_NLDEV_ATTR_RES_PID
])
87 int res_mr_parse_cb(const struct nlmsghdr
*nlh
, void *data
)
89 struct nlattr
*tb
[RDMA_NLDEV_ATTR_MAX
] = {};
90 struct nlattr
*nla_table
, *nla_entry
;
96 mnl_attr_parse(nlh
, 0, rd_attr_cb
, tb
);
97 if (!tb
[RDMA_NLDEV_ATTR_DEV_INDEX
] || !tb
[RDMA_NLDEV_ATTR_DEV_NAME
] ||
98 !tb
[RDMA_NLDEV_ATTR_RES_MR
])
101 name
= mnl_attr_get_str(tb
[RDMA_NLDEV_ATTR_DEV_NAME
]);
102 idx
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_DEV_INDEX
]);
103 nla_table
= tb
[RDMA_NLDEV_ATTR_RES_MR
];
105 mnl_attr_for_each_nested(nla_entry
, nla_table
) {
106 ret
= res_mr_line(rd
, name
, idx
, nla_entry
);
108 if (ret
!= MNL_CB_OK
)