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-rw-r--r--rdma/res-qp.c233
1 files changed, 233 insertions, 0 deletions
diff --git a/rdma/res-qp.c b/rdma/res-qp.c
new file mode 100644
index 0000000..65ff54a
--- /dev/null
+++ b/rdma/res-qp.c
@@ -0,0 +1,233 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * res-qp.c RDMA tool
+ * Authors: Leon Romanovsky <leonro@mellanox.com>
+ */
+
+#include "res.h"
+#include <inttypes.h>
+
+static const char *path_mig_to_str(uint8_t idx)
+{
+ static const char *const path_mig_str[] = { "MIGRATED", "REARM",
+ "ARMED" };
+
+ if (idx < ARRAY_SIZE(path_mig_str))
+ return path_mig_str[idx];
+ return "UNKNOWN";
+}
+
+static const char *qp_states_to_str(uint8_t idx)
+{
+ static const char *const qp_states_str[] = { "RESET", "INIT", "RTR",
+ "RTS", "SQD", "SQE",
+ "ERR" };
+
+ if (idx < ARRAY_SIZE(qp_states_str))
+ return qp_states_str[idx];
+ return "UNKNOWN";
+}
+
+static void print_rqpn(uint32_t val, struct nlattr **nla_line)
+{
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_RQPN])
+ return;
+ print_uint(PRINT_ANY, "rqpn", "rqpn %d ", val);
+}
+
+static void print_type(uint32_t val)
+{
+ print_string(PRINT_ANY, "type", "type %s ", qp_types_to_str(val));
+}
+
+static void print_state(uint32_t val)
+{
+ print_string(PRINT_ANY, "state", "state %s ", qp_states_to_str(val));
+}
+
+static void print_rqpsn(uint32_t val, struct nlattr **nla_line)
+{
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
+ return;
+
+ print_uint(PRINT_ANY, "rq-psn", "rq-psn %d ", val);
+}
+
+static void print_pathmig(uint32_t val, struct nlattr **nla_line)
+{
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])
+ return;
+
+ print_string(PRINT_ANY, "path-mig-state", "path-mig-state %s ", path_mig_to_str(val));
+}
+
+static int res_qp_line_raw(struct rd *rd, const char *name, int idx,
+ struct nlattr **nla_line)
+{
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_RAW])
+ return MNL_CB_ERROR;
+
+ open_json_object(NULL);
+ print_link(idx, name, rd->port_idx, nla_line);
+ print_raw_data(rd, nla_line);
+ close_json_object();
+ newline();
+
+ return MNL_CB_OK;
+}
+
+static int res_qp_line(struct rd *rd, const char *name, int idx,
+ struct nlattr **nla_line)
+{
+ uint32_t lqpn, rqpn = 0, rq_psn = 0, sq_psn;
+ uint8_t type, state, path_mig_state = 0;
+ uint32_t port = 0, pid = 0;
+ uint32_t pdn = 0;
+ char *comm = NULL;
+ SPRINT_BUF(b);
+
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_LQPN] ||
+ !nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN] ||
+ !nla_line[RDMA_NLDEV_ATTR_RES_TYPE] ||
+ !nla_line[RDMA_NLDEV_ATTR_RES_STATE])
+ return MNL_CB_ERROR;
+
+ if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
+ port = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]);
+
+ if (port != rd->port_idx)
+ goto out;
+
+ lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
+ if (rd_is_filtered_attr(rd, "lqpn", lqpn,
+ nla_line[RDMA_NLDEV_ATTR_RES_LQPN]))
+ 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_RQPN])
+ rqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQPN]);
+ if (rd_is_filtered_attr(rd, "rqpn", rqpn,
+ nla_line[RDMA_NLDEV_ATTR_RES_RQPN]))
+ goto out;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
+ rq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]);
+ if (rd_is_filtered_attr(rd, "rq-psn", rq_psn,
+ nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]))
+ goto out;
+
+ sq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]);
+ if (rd_is_filtered_attr(rd, "sq-psn", sq_psn,
+ nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]))
+ goto out;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])
+ path_mig_state = mnl_attr_get_u8(
+ nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]);
+ if (rd_is_string_filtered_attr(
+ rd, "path-mig-state", path_mig_to_str(path_mig_state),
+ nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE]))
+ goto out;
+
+ type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
+ if (rd_is_string_filtered_attr(rd, "type", qp_types_to_str(type),
+ nla_line[RDMA_NLDEV_ATTR_RES_TYPE]))
+ goto out;
+
+ state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]);
+ if (rd_is_string_filtered_attr(rd, "state", qp_states_to_str(state),
+ nla_line[RDMA_NLDEV_ATTR_RES_STATE]))
+ goto out;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
+ pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+ if (!get_task_name(pid, b, sizeof(b)))
+ comm = b;
+ } else 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_is_filtered_attr(rd, "pid", pid,
+ nla_line[RDMA_NLDEV_ATTR_RES_PID]))
+ goto out;
+
+ open_json_object(NULL);
+ print_link(idx, name, port, nla_line);
+ res_print_u32("lqpn", lqpn, nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
+ print_rqpn(rqpn, nla_line);
+
+ print_type(type);
+ print_state(state);
+
+ print_rqpsn(rq_psn, nla_line);
+ res_print_u32("sq-psn", sq_psn, nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]);
+
+ print_pathmig(path_mig_state, nla_line);
+ res_print_u32("pdn", pdn, nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
+ res_print_u32("pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+ print_comm(comm, nla_line);
+
+ print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
+ close_json_object();
+ newline();
+out:
+ return MNL_CB_OK;
+}
+
+int res_qp_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 (rd->show_raw) ? res_qp_line_raw(rd, name, idx, tb) :
+ res_qp_line(rd, name, idx, tb);
+}
+
+int res_qp_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_QP])
+ 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_QP];
+
+ 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 = (rd->show_raw) ? res_qp_line_raw(rd, name, idx, nla_line) :
+ res_qp_line(rd, name, idx, nla_line);
+ if (ret != MNL_CB_OK)
+ break;
+ }
+ return ret;
+}