1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
4 * Authors: Leon Romanovsky <leonro@mellanox.com>
10 int res_mr_parse_cb(const struct nlmsghdr
*nlh
, void *data
)
12 struct nlattr
*tb
[RDMA_NLDEV_ATTR_MAX
] = {};
13 struct nlattr
*nla_table
, *nla_entry
;
18 mnl_attr_parse(nlh
, 0, rd_attr_cb
, tb
);
19 if (!tb
[RDMA_NLDEV_ATTR_DEV_INDEX
] || !tb
[RDMA_NLDEV_ATTR_DEV_NAME
] ||
20 !tb
[RDMA_NLDEV_ATTR_RES_MR
])
23 name
= mnl_attr_get_str(tb
[RDMA_NLDEV_ATTR_DEV_NAME
]);
24 idx
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_DEV_INDEX
]);
25 nla_table
= tb
[RDMA_NLDEV_ATTR_RES_MR
];
27 mnl_attr_for_each_nested(nla_entry
, nla_table
) {
28 struct nlattr
*nla_line
[RDMA_NLDEV_ATTR_MAX
] = {};
29 uint32_t rkey
= 0, lkey
= 0;
30 uint64_t iova
= 0, mrlen
;
37 err
= mnl_attr_parse_nested(nla_entry
, rd_attr_cb
, nla_line
);
41 if (!nla_line
[RDMA_NLDEV_ATTR_RES_MRLEN
] ||
42 (!nla_line
[RDMA_NLDEV_ATTR_RES_PID
] &&
43 !nla_line
[RDMA_NLDEV_ATTR_RES_KERN_NAME
])) {
47 if (nla_line
[RDMA_NLDEV_ATTR_RES_RKEY
])
48 rkey
= mnl_attr_get_u32(
49 nla_line
[RDMA_NLDEV_ATTR_RES_RKEY
]);
50 if (nla_line
[RDMA_NLDEV_ATTR_RES_LKEY
])
51 lkey
= mnl_attr_get_u32(
52 nla_line
[RDMA_NLDEV_ATTR_RES_LKEY
]);
53 if (nla_line
[RDMA_NLDEV_ATTR_RES_IOVA
])
54 iova
= mnl_attr_get_u64(
55 nla_line
[RDMA_NLDEV_ATTR_RES_IOVA
]);
57 mrlen
= mnl_attr_get_u64(nla_line
[RDMA_NLDEV_ATTR_RES_MRLEN
]);
58 if (rd_check_is_filtered(rd
, "mrlen", mrlen
))
61 if (nla_line
[RDMA_NLDEV_ATTR_RES_PID
]) {
62 pid
= mnl_attr_get_u32(
63 nla_line
[RDMA_NLDEV_ATTR_RES_PID
]);
64 comm
= get_task_name(pid
);
67 if (rd_check_is_filtered(rd
, "pid", pid
)) {
72 if (nla_line
[RDMA_NLDEV_ATTR_RES_MRN
])
73 mrn
= mnl_attr_get_u32(
74 nla_line
[RDMA_NLDEV_ATTR_RES_MRN
]);
75 if (rd_check_is_filtered(rd
, "mrn", mrn
))
78 if (nla_line
[RDMA_NLDEV_ATTR_RES_PDN
])
79 pdn
= mnl_attr_get_u32(
80 nla_line
[RDMA_NLDEV_ATTR_RES_PDN
]);
81 if (rd_check_is_filtered(rd
, "pdn", pdn
))
84 if (nla_line
[RDMA_NLDEV_ATTR_RES_KERN_NAME
])
85 /* discard const from mnl_attr_get_str */
86 comm
= (char *)mnl_attr_get_str(
87 nla_line
[RDMA_NLDEV_ATTR_RES_KERN_NAME
]);
90 jsonw_start_array(rd
->jw
);
92 print_dev(rd
, idx
, name
);
93 if (nla_line
[RDMA_NLDEV_ATTR_RES_RKEY
])
94 print_key(rd
, "rkey", rkey
);
95 if (nla_line
[RDMA_NLDEV_ATTR_RES_LKEY
])
96 print_key(rd
, "lkey", lkey
);
97 if (nla_line
[RDMA_NLDEV_ATTR_RES_IOVA
])
98 print_key(rd
, "iova", iova
);
99 res_print_uint(rd
, "mrlen", mrlen
);
100 res_print_uint(rd
, "pid", pid
);
101 print_comm(rd
, comm
, nla_line
);
103 if (nla_line
[RDMA_NLDEV_ATTR_RES_MRN
])
104 res_print_uint(rd
, "mrn", mrn
);
106 if (nla_line
[RDMA_NLDEV_ATTR_RES_PDN
])
107 res_print_uint(rd
, "pdn", pdn
);
109 if (nla_line
[RDMA_NLDEV_ATTR_RES_PID
])
112 print_driver_table(rd
, nla_line
[RDMA_NLDEV_ATTR_DRIVER
]);