1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
4 * Authors: Leon Romanovsky <leonro@mellanox.com>
10 int res_pd_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_PD
])
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_PD
];
27 mnl_attr_for_each_nested(nla_entry
, nla_table
) {
28 uint32_t local_dma_lkey
= 0, unsafe_global_rkey
= 0;
29 struct nlattr
*nla_line
[RDMA_NLDEV_ATTR_MAX
] = {};
37 err
= mnl_attr_parse_nested(nla_entry
, rd_attr_cb
, nla_line
);
41 if (!nla_line
[RDMA_NLDEV_ATTR_RES_USECNT
] ||
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_LOCAL_DMA_LKEY
])
48 local_dma_lkey
= mnl_attr_get_u32(
49 nla_line
[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY
]);
51 users
= mnl_attr_get_u64(nla_line
[RDMA_NLDEV_ATTR_RES_USECNT
]);
52 if (rd_check_is_filtered(rd
, "users", users
))
55 if (nla_line
[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY
])
56 unsafe_global_rkey
= mnl_attr_get_u32(
57 nla_line
[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY
]);
59 if (nla_line
[RDMA_NLDEV_ATTR_RES_PID
]) {
60 pid
= mnl_attr_get_u32(
61 nla_line
[RDMA_NLDEV_ATTR_RES_PID
]);
62 comm
= get_task_name(pid
);
65 if (rd_check_is_filtered(rd
, "pid", pid
))
68 if (nla_line
[RDMA_NLDEV_ATTR_RES_CTXN
])
69 ctxn
= mnl_attr_get_u32(
70 nla_line
[RDMA_NLDEV_ATTR_RES_CTXN
]);
72 if (rd_check_is_filtered(rd
, "ctxn", ctxn
))
75 if (nla_line
[RDMA_NLDEV_ATTR_RES_PDN
])
76 pdn
= mnl_attr_get_u32(
77 nla_line
[RDMA_NLDEV_ATTR_RES_PDN
]);
78 if (rd_check_is_filtered(rd
, "pdn", pdn
))
81 if (nla_line
[RDMA_NLDEV_ATTR_RES_KERN_NAME
])
82 /* discard const from mnl_attr_get_str */
83 comm
= (char *)mnl_attr_get_str(
84 nla_line
[RDMA_NLDEV_ATTR_RES_KERN_NAME
]);
87 jsonw_start_array(rd
->jw
);
89 print_dev(rd
, idx
, name
);
90 if (nla_line
[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY
])
91 print_key(rd
, "local_dma_lkey", local_dma_lkey
);
92 res_print_uint(rd
, "users", users
);
93 if (nla_line
[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY
])
94 print_key(rd
, "unsafe_global_rkey", unsafe_global_rkey
);
95 res_print_uint(rd
, "pid", pid
);
96 print_comm(rd
, comm
, nla_line
);
97 if (nla_line
[RDMA_NLDEV_ATTR_RES_CTXN
])
98 res_print_uint(rd
, "ctxn", ctxn
);
100 if (nla_line
[RDMA_NLDEV_ATTR_RES_PDN
])
101 res_print_uint(rd
, "pdn", pdn
);
103 if (nla_line
[RDMA_NLDEV_ATTR_RES_PID
])
106 print_driver_table(rd
, nla_line
[RDMA_NLDEV_ATTR_DRIVER
]);