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-rw-r--r--rdma/res-cq.c182
1 files changed, 182 insertions, 0 deletions
diff --git a/rdma/res-cq.c b/rdma/res-cq.c
new file mode 100644
index 0000000..2cfa499
--- /dev/null
+++ b/rdma/res-cq.c
@@ -0,0 +1,182 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * res-cq.c RDMA tool
+ * Authors: Leon Romanovsky <leonro@mellanox.com>
+ */
+
+#include "res.h"
+#include <inttypes.h>
+
+static const char *poll_ctx_to_str(uint8_t idx)
+{
+ static const char * const cm_id_states_str[] = {
+ "DIRECT", "SOFTIRQ", "WORKQUEUE", "UNBOUND_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, struct nlattr *attr)
+{
+ if (!attr)
+ return;
+ print_color_string(PRINT_ANY, COLOR_NONE, "poll-ctx", "poll-ctx %s ",
+ poll_ctx_to_str(poll_ctx));
+}
+
+static void print_cq_dim_setting(struct rd *rd, struct nlattr *attr)
+{
+ uint8_t dim_setting;
+
+ if (!attr)
+ return;
+
+ dim_setting = mnl_attr_get_u8(attr);
+ if (dim_setting > 1)
+ return;
+
+ print_on_off(PRINT_ANY, "adaptive-moderation", "adaptive-moderation %s ", dim_setting);
+}
+
+static int res_cq_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_dev(rd, idx, name);
+ print_raw_data(rd, nla_line);
+ newline(rd);
+
+ return MNL_CB_OK;
+}
+
+static int res_cq_line(struct rd *rd, const char *name, int idx,
+ struct nlattr **nla_line)
+{
+ char *comm = NULL;
+ uint32_t pid = 0;
+ uint8_t poll_ctx = 0;
+ uint32_t ctxn = 0;
+ uint32_t cqn = 0;
+ uint64_t users;
+ uint32_t cqe;
+
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_CQE] ||
+ !nla_line[RDMA_NLDEV_ATTR_RES_USECNT])
+ 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_is_filtered_attr(rd, "users", users,
+ nla_line[RDMA_NLDEV_ATTR_RES_USECNT]))
+ goto out;
+
+ 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_is_string_filtered_attr(rd, "poll-ctx",
+ poll_ctx_to_str(poll_ctx),
+ nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]))
+ goto out;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
+ SPRINT_BUF(b);
+
+ 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;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_CQN])
+ cqn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CQN]);
+ if (rd_is_filtered_attr(rd, "cqn", cqn,
+ nla_line[RDMA_NLDEV_ATTR_RES_CQN]))
+ goto out;
+ if (nla_line[RDMA_NLDEV_ATTR_RES_CTXN])
+ ctxn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CTXN]);
+ if (rd_is_filtered_attr(rd, "ctxn", ctxn,
+ nla_line[RDMA_NLDEV_ATTR_RES_CTXN]))
+ goto out;
+
+ open_json_object(NULL);
+ print_dev(rd, idx, name);
+ res_print_u32(rd, "cqn", cqn, nla_line[RDMA_NLDEV_ATTR_RES_CQN]);
+ res_print_u32(rd, "cqe", cqe, nla_line[RDMA_NLDEV_ATTR_RES_CQE]);
+ res_print_u64(rd, "users", users,
+ nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
+ print_poll_ctx(rd, poll_ctx, nla_line[RDMA_NLDEV_ATTR_RES_POLL_CTX]);
+ print_cq_dim_setting(rd, nla_line[RDMA_NLDEV_ATTR_DEV_DIM]);
+ res_print_u32(rd, "ctxn", ctxn, nla_line[RDMA_NLDEV_ATTR_RES_CTXN]);
+ res_print_u32(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+ print_comm(rd, comm, nla_line);
+
+ print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
+ newline(rd);
+
+out:
+ return MNL_CB_OK;
+}
+
+int res_cq_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_cq_line_raw(rd, name, idx, tb) :
+ res_cq_line(rd, name, idx, tb);
+}
+
+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;
+ 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_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] = {};
+
+ ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
+ if (ret != MNL_CB_OK)
+ break;
+
+ ret = (rd->show_raw) ? res_cq_line_raw(rd, name, idx, nla_line) :
+ res_cq_line(rd, name, idx, nla_line);
+
+ if (ret != MNL_CB_OK)
+ break;
+ }
+ return ret;
+}