From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
This patch adds ss-similar interface to view various resource
tracked objects. At this stage, only QP is presented.
1. Get all QPs for the specific device:
$ rdma res show qp link mlx5_4
link mlx5_4/1 lqpn 7 type UD state RTS sq-psn 0 pid 0 comm [mlx5-gsi]
link mlx5_4/1 lqpn 1 type GSI state RTS sq-psn 0 pid 0 comm [rdma-mad]
link mlx5_4/1 lqpn 0 type SMI state RTS sq-psn 0 pid 0 comm [rdma-mad]
$ rdma res show qp link mlx5_4/
link mlx5_4/1 lqpn 7 type UD state RTS sq-psn 0 pid 0 comm [mlx5-gsi]
link mlx5_4/1 lqpn 1 type GSI state RTS sq-psn 0 pid 0 comm [rdma-mad]
link mlx5_4/1 lqpn 0 type SMI state RTS sq-psn 0 pid 0 comm [rdma-mad]
2. Provide illegal port number (0 is illegal):
$ rdma res show qp link mlx5_4/0
Wrong device name
3. Get QPs of specific port:
$ rdma res show qp link mlx5_4/1
link mlx5_4/1 lqpn 7 type UD state RTS sq-psn 0 pid 0 comm [mlx5-gsi]
link mlx5_4/1 lqpn 1 type GSI state RTS sq-psn 0 pid 0 comm [rdma-mad]
link mlx5_4/1 lqpn 0 type SMI state RTS sq-psn 0 pid 0 comm [rdma-mad]
4. Get QPs which have not assigned port yet:
$ rdma res show qp link mlx5_3/-
link mlx5_3/- lqpn 8 type UD state RTS sq-psn 0 pid 0 comm [ipoib-verbs]
5. Limit to specific Local QPNs:
$ rdma res show qp link mlx5_4/1 lqpn 1-3,7
link mlx5_4/1 lqpn 7 type UD state RTS sq-psn 0 pid 0 comm [mlx5-gsi]
link mlx5_4/1 lqpn 1 type GSI state RTS sq-psn 0 pid 0 comm [rdma-mad]
6. Filter types (strings):
$ rdma res show qp link mlx5_4/1 type UD,gSi
link mlx5_4/1 lqpn 7 type UD state RTS sq-psn 0 pid 0 comm [mlx5-gsi]
link mlx5_4/1 lqpn 1 type GSI state RTS sq-psn 0 pid 0 comm [rdma-mad]
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
rdma/res.c | 325 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
rdma/utils.c | 11 ++
2 files changed, 336 insertions(+)
diff --git a/rdma/res.c b/rdma/res.c
index bea8ffc9..3c682582 100644
--- a/rdma/res.c
+++ b/rdma/res.c
@@ -16,6 +16,9 @@ static int res_help(struct rd *rd)
{
pr_out("Usage: %s resource\n", rd->filename);
pr_out(" resource show [DEV]\n");
+ pr_out(" resource show [qp]\n");
+ pr_out(" resource show qp link [DEV/PORT]\n");
+ pr_out(" resource show qp link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
return 0;
}
@@ -126,12 +129,334 @@ static int _res_send_msg(struct rd *rd, uint32_t command, mnl_cb_t callback)
return rd_exec_link(rd, _##name, strict_port); \
}
+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 const char *qp_types_to_str(uint8_t idx)
+{
+ static const char * const qp_types_str[] = { "SMI", "GSI", "RC",
+ "UC", "UD", "RAW_IPV6",
+ "RAW_ETHERTYPE",
+ "UNKNOWN", "RAW_PACKET",
+ "XRC_INI", "XRC_TGT" };
+
+ if (idx < ARRAY_SIZE(qp_types_str))
+ return qp_types_str[idx];
+ return "UNKNOWN";
+}
+
+static void print_lqpn(struct rd *rd, uint32_t val)
+{
+ if (rd->json_output)
+ jsonw_uint_field(rd->jw, "lqpn", val);
+ else
+ pr_out("lqpn %u ", val);
+}
+
+static void print_rqpn(struct rd *rd, uint32_t val, struct nlattr **nla_line)
+{
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_RQPN])
+ return;
+
+ if (rd->json_output)
+ jsonw_uint_field(rd->jw, "rqpn", val);
+ else
+ pr_out("rqpn %u ", val);
+}
+
+static void print_type(struct rd *rd, uint32_t val)
+{
+ if (rd->json_output)
+ jsonw_string_field(rd->jw, "type",
+ qp_types_to_str(val));
+ else
+ pr_out("type %s ", qp_types_to_str(val));
+}
+
+static void print_state(struct rd *rd, uint32_t val)
+{
+ if (rd->json_output)
+ jsonw_string_field(rd->jw, "state",
+ qp_states_to_str(val));
+ else
+ pr_out("state %s ", qp_states_to_str(val));
+}
+
+static void print_rqpsn(struct rd *rd, uint32_t val, struct nlattr **nla_line)
+{
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
+ return;
+
+ if (rd->json_output)
+ jsonw_uint_field(rd->jw, "rq-psn", val);
+ else
+ pr_out("rq-psn %u ", val);
+}
+
+static void print_sqpsn(struct rd *rd, uint32_t val)
+{
+ if (rd->json_output)
+ jsonw_uint_field(rd->jw, "sq-psn", val);
+ else
+ pr_out("sq-psn %u ", val);
+}
+
+static void print_pathmig(struct rd *rd, uint32_t val,
+ struct nlattr **nla_line)
+{
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])
+ return;
+
+ if (rd->json_output)
+ jsonw_string_field(rd->jw,
+ "path-mig-state",
+ path_mig_to_str(val));
+ else
+ pr_out("path-mig-state %s ", path_mig_to_str(val));
+}
+
+static void print_pid(struct rd *rd, uint32_t val)
+{
+ if (rd->json_output)
+ jsonw_uint_field(rd->jw, "pid", val);
+ else
+ pr_out("pid %u ", val);
+}
+
+static void print_comm(struct rd *rd, const char *str,
+ struct nlattr **nla_line)
+{
+ char tmp[18];
+
+ if (rd->json_output) {
+ /* Don't beatify output in JSON format */
+ jsonw_string_field(rd->jw, "comm", str);
+ return;
+ }
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
+ snprintf(tmp, sizeof(tmp), "%s", str);
+ else
+ snprintf(tmp, sizeof(tmp), "[%s]", str);
+
+ pr_out("comm %s ", tmp);
+}
+
+static void print_link(struct rd *rd, uint32_t idx, const char *name,
+ uint32_t port, struct nlattr **nla_line)
+{
+ if (rd->json_output) {
+ jsonw_uint_field(rd->jw, "ifindex", idx);
+
+ if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
+ jsonw_uint_field(rd->jw, "port", port);
+
+ jsonw_string_field(rd->jw, "ifname", name);
+ } else {
+ if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
+ pr_out("link %s/%u ", name, port);
+ else
+ pr_out("link %s/- ", name);
+ }
+}
+
+static char *get_task_name(uint32_t pid)
+{
+ char *comm;
+ FILE *f;
+
+ if (asprintf(&comm, "/proc/%d/comm", pid) < 0)
+ return NULL;
+
+ f = fopen(comm, "r");
+ free(comm);
+ if (!f)
+ return NULL;
+
+ if (fscanf(f, "%ms\n", &comm) != 1)
+ comm = NULL;
+
+ fclose(f);
+
+ return comm;
+}
+
+static 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;
+ 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] = {};
+ uint32_t lqpn, rqpn = 0, rq_psn = 0, sq_psn;
+ uint8_t type, state, path_mig_state = 0;
+ uint32_t port = 0, pid = 0;
+ char *comm = NULL;
+ 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_LQPN] ||
+ !nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN] ||
+ !nla_line[RDMA_NLDEV_ATTR_RES_TYPE] ||
+ !nla_line[RDMA_NLDEV_ATTR_RES_STATE] ||
+ (!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_PORT_INDEX])
+ port = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]);
+
+ if (port != rd->port_idx)
+ continue;
+
+ lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
+ if (rd_check_is_filtered(rd, "lqpn", lqpn))
+ continue;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_RQPN]) {
+ rqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQPN]);
+ if (rd_check_is_filtered(rd, "rqpn", rqpn))
+ continue;
+ } else {
+ if (rd_check_is_key_exist(rd, "rqpn"))
+ continue;
+ }
+
+ 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_check_is_filtered(rd, "rq-psn", rq_psn))
+ continue;
+ } else {
+ if (rd_check_is_key_exist(rd, "rq-psn"))
+ continue;
+ }
+
+ sq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]);
+ if (rd_check_is_filtered(rd, "sq-psn", sq_psn))
+ continue;
+
+ 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_check_is_string_filtered(rd, "path-mig-state", path_mig_to_str(path_mig_state)))
+ continue;
+ } else {
+ if (rd_check_is_key_exist(rd, "path-mig-state"))
+ continue;
+ }
+
+ type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
+ if (rd_check_is_string_filtered(rd, "type", qp_types_to_str(type)))
+ continue;
+
+ state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]);
+ if (rd_check_is_string_filtered(rd, "state", qp_states_to_str(state)))
+ 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))
+ 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_link(rd, idx, name, port, nla_line);
+
+ print_lqpn(rd, lqpn);
+ print_rqpn(rd, rqpn, nla_line);
+
+ print_type(rd, type);
+ print_state(rd, state);
+
+ print_rqpsn(rd, rq_psn, nla_line);
+ print_sqpsn(rd, sq_psn);
+
+ print_pathmig(rd, path_mig_state, nla_line);
+ print_pid(rd, pid);
+ print_comm(rd, comm, nla_line);
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
+ free(comm);
+
+ if (rd->json_output)
+ jsonw_end_array(rd->jw);
+ else
+ pr_out("\n");
+ }
+ return MNL_CB_OK;
+}
+
RES_FUNC(res_no_args, RDMA_NLDEV_CMD_RES_GET, NULL, true);
+static const struct
+filters qp_valid_filters[MAX_NUMBER_OF_FILTERS] = {{ .name = "link",
+ .is_number = false },
+ { .name = "lqpn",
+ .is_number = true },
+ { .name = "rqpn",
+ .is_number = true },
+ { .name = "pid",
+ .is_number = true },
+ { .name = "sq-psn",
+ .is_number = true },
+ { .name = "rq-psn",
+ .is_number = true },
+ { .name = "type",
+ .is_number = false },
+ { .name = "path-mig-state",
+ .is_number = false },
+ { .name = "state",
+ .is_number = false } };
+
+RES_FUNC(res_qp, RDMA_NLDEV_CMD_RES_QP_GET, qp_valid_filters, false);
+
static int res_show(struct rd *rd)
{
const struct rd_cmd cmds[] = {
{ NULL, res_no_args },
+ { "qp", res_qp },
{ 0 }
};
diff --git a/rdma/utils.c b/rdma/utils.c
index 344f0a93..059aa788 100644
--- a/rdma/utils.c
+++ b/rdma/utils.c
@@ -360,6 +360,17 @@ static const enum mnl_attr_data_type nldev_policy[RDMA_NLDEV_ATTR_MAX] = {
[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY] = MNL_TYPE_NESTED,
[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME] = MNL_TYPE_NUL_STRING,
[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR] = MNL_TYPE_U64,
+ [RDMA_NLDEV_ATTR_RES_QP] = MNL_TYPE_NESTED,
+ [RDMA_NLDEV_ATTR_RES_QP_ENTRY] = MNL_TYPE_NESTED,
+ [RDMA_NLDEV_ATTR_RES_LQPN] = MNL_TYPE_U32,
+ [RDMA_NLDEV_ATTR_RES_RQPN] = MNL_TYPE_U32,
+ [RDMA_NLDEV_ATTR_RES_RQ_PSN] = MNL_TYPE_U32,
+ [RDMA_NLDEV_ATTR_RES_SQ_PSN] = MNL_TYPE_U32,
+ [RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE] = MNL_TYPE_U8,
+ [RDMA_NLDEV_ATTR_RES_TYPE] = MNL_TYPE_U8,
+ [RDMA_NLDEV_ATTR_RES_STATE] = MNL_TYPE_U8,
+ [RDMA_NLDEV_ATTR_RES_PID] = MNL_TYPE_U32,
+ [RDMA_NLDEV_ATTR_RES_KERN_NAME] = MNL_TYPE_NUL_STRING,
};
int rd_attr_cb(const struct nlattr *attr, void *data)
--
2.15.1
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