-static const char *poll_ctx_to_str(uint8_t idx)
-{
- static const char * const cm_id_states_str[] = {
- "DIRECT", "SOFTIRQ", "WORKQUEUE"};
-
- if (idx < ARRAY_SIZE(cm_id_states_str))
- return cm_id_states_str[idx];
- return "UNKNOWN";
-}
-
-static void print_poll_ctx(struct rd *rd, uint8_t poll_ctx)
-{
- if (rd->json_output) {
- jsonw_string_field(rd->jw, "poll-ctx",
- poll_ctx_to_str(poll_ctx));
- return;
- }
- pr_out("poll-ctx %s ", poll_ctx_to_str(poll_ctx));
-}
-
-static int res_cq_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;
- 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_CQ])
- 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_CQ];
-
- mnl_attr_for_each_nested(nla_entry, nla_table) {
- struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
- char *comm = NULL;
- uint32_t pid = 0;
- uint8_t poll_ctx = 0;
- uint64_t users;
- uint32_t cqe;
- int err;
-
- err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
- if (err != MNL_CB_OK)
- return MNL_CB_ERROR;
-
- if (!nla_line[RDMA_NLDEV_ATTR_RES_CQE] ||
- !nla_line[RDMA_NLDEV_ATTR_RES_USECNT] ||
- (!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
- !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
- return MNL_CB_ERROR;
- }
-
- cqe = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CQE]);
-
- users = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
- if (rd_check_is_filtered(rd, "users", users))
- continue;
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]) {
- poll_ctx = mnl_attr_get_u8(
- nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]);
- if (rd_check_is_string_filtered(rd, "poll-ctx",
- poll_ctx_to_str(poll_ctx)))
- continue;
- }
-
- 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_check_is_filtered(rd, "pid", pid)) {
- free(comm);
- continue;
- }
-
- 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]);
-
- if (rd->json_output)
- jsonw_start_array(rd->jw);
-
- print_dev(rd, idx, name);
- print_cqe(rd, cqe);
- print_users(rd, users);
- if (nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX])
- print_poll_ctx(rd, poll_ctx);
- print_pid(rd, pid);
- print_comm(rd, comm, nla_line);
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
- free(comm);
-
- print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
- newline(rd);
- }
- return MNL_CB_OK;
-}
-
-static void print_key(struct rd *rd, const char *name, uint32_t val)
-{
- if (rd->json_output)
- jsonw_xint_field(rd->jw, name, val);
- else
- pr_out("%s 0x%x ", name, val);
-}
-
-static void print_iova(struct rd *rd, uint64_t val)
-{
- if (rd->json_output)
- jsonw_xint_field(rd->jw, "iova", val);
- else
- pr_out("iova 0x%" PRIx64 " ", val);
-}
-
-static void print_mrlen(struct rd *rd, uint64_t val)
-{
- if (rd->json_output)
- jsonw_uint_field(rd->jw, "mrlen", val);
- else
- pr_out("mrlen %" PRIu64 " ", val);
-}
-
-static 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;
- 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] = {};
- uint32_t rkey = 0, lkey = 0;
- uint64_t iova = 0, mrlen;
- char *comm = NULL;
- uint32_t pid = 0;
- int err;
-
- err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
- if (err != MNL_CB_OK)
- return MNL_CB_ERROR;
-
- if (!nla_line[RDMA_NLDEV_ATTR_RES_MRLEN] ||
- (!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
- !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
- 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_check_is_filtered(rd, "mrlen", mrlen))
- continue;
-
- 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_check_is_filtered(rd, "pid", pid)) {
- free(comm);
- continue;
- }
-
- 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]);
-
- if (rd->json_output)
- jsonw_start_array(rd->jw);
-
- print_dev(rd, idx, name);
- if (nla_line[RDMA_NLDEV_ATTR_RES_RKEY])
- print_key(rd, "rkey", rkey);
- if (nla_line[RDMA_NLDEV_ATTR_RES_LKEY])
- print_key(rd, "lkey", lkey);
- if (nla_line[RDMA_NLDEV_ATTR_RES_IOVA])
- print_iova(rd, iova);
- print_mrlen(rd, mrlen);
- print_pid(rd, pid);
- print_comm(rd, comm, nla_line);
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
- free(comm);
-
- print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
- newline(rd);
- }
- return MNL_CB_OK;
-}
-
-static int res_pd_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;
- 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_PD])
- 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_PD];
-
- mnl_attr_for_each_nested(nla_entry, nla_table) {
- uint32_t local_dma_lkey = 0, unsafe_global_rkey = 0;
- struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
- char *comm = NULL;
- uint32_t pid = 0;
- uint64_t users;
- int err;
-
- err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
- if (err != MNL_CB_OK)
- return MNL_CB_ERROR;
-
- if (!nla_line[RDMA_NLDEV_ATTR_RES_USECNT] ||
- (!nla_line[RDMA_NLDEV_ATTR_RES_PID] &&
- !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) {
- return MNL_CB_ERROR;
- }
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY])
- local_dma_lkey = mnl_attr_get_u32(
- nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY]);
-
- users = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
- if (rd_check_is_filtered(rd, "users", users))
- continue;
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY])
- unsafe_global_rkey = mnl_attr_get_u32(
- nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY]);
-
- 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_check_is_filtered(rd, "pid", pid))
- continue;
-
- 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]);
-
- if (rd->json_output)
- jsonw_start_array(rd->jw);
-
- print_dev(rd, idx, name);
- if (nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY])
- print_key(rd, "local_dma_lkey", local_dma_lkey);
- print_users(rd, users);
- if (nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY])
- print_key(rd, "unsafe_global_rkey", unsafe_global_rkey);
- print_pid(rd, pid);
- print_comm(rd, comm, nla_line);
-
- if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
- free(comm);
-
- print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
- newline(rd);
- }
- return MNL_CB_OK;
-}
-