RDMA resource tracking

index 676cb21d..66bcd50e 100644
@@ -285,7 +285,7 @@ static int link_one_show(struct rd *rd)
 
 static int link_show(struct rd *rd)
 {
-	return rd_exec_link(rd, link_one_show);
+	return rd_exec_link(rd, link_one_show, true);
 }
 
 int cmd_link(struct rd *rd)

index 8d53d3a0..cbd9aa89 100644
@@ -64,7 +64,6 @@ bool rd_no_arg(struct rd *rd);
 void rd_arg_inc(struct rd *rd);
 
 char *rd_argv(struct rd *rd);
-uint32_t get_port_from_argv(struct rd *rd);
 
 /*
  * Commands interface

@@ -73,7 +72,7 @@ int cmd_dev(struct rd *rd);
 int cmd_link(struct rd *rd);
 int rd_exec_cmd(struct rd *rd, const struct rd_cmd *c, const char *str);
 int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd));
-int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd));
+int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd), bool strict_port);
 void rd_free(struct rd *rd);
 
 /*

96 lines not on this page · raw message

index cbd9aa89..1b66ae04 100644
@@ -74,6 +74,7 @@ int rd_exec_cmd(struct rd *rd, const struct rd_cmd *c, const char *str);
 int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd));
 int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd), bool strict_port);
 void rd_free(struct rd *rd);
+int rd_argc(struct rd *rd);
 
 /*
  * Device manipulation

index b9c668a3..af2b374d 100644
@@ -12,7 +12,7 @@
 #include "rdma.h"
 #include <ctype.h>
 
-static int rd_argc(struct rd *rd)
+int rd_argc(struct rd *rd)
 {
 	return rd->argc;
 }

index 0e8fd688..a21ba440 100644
@@ -47,6 +47,7 @@ static int rd_init(struct rd *rd, int argc, char **argv, char *filename)
 	rd->argc = argc;
 	rd->argv = argv;
 	INIT_LIST_HEAD(&rd->dev_map_list);
+	INIT_LIST_HEAD(&rd->filter_list);
 
 	if (rd->json_output) {
 		rd->jw = jsonw_new(stdout);

index 1b66ae04..cd415670 100644
@@ -29,6 +29,12 @@
 #define RDMA_BITMAP_ENUM(name, bit_no) RDMA_BITMAP_##name = BIT(bit_no),
 #define RDMA_BITMAP_NAMES(name, bit_no) [bit_no] = #name,
 
+struct filter_entry {
+	struct list_head list;
+	char *key;
+	char *value;
+};
+
 struct dev_map {
 	struct list_head list;
 	char *dev_name;

@@ -50,6 +56,7 @@ struct rd {
 	json_writer_t *jw;
 	bool json_output;
 	bool pretty_output;
+	struct list_head filter_list;
 };
 
 struct rd_cmd {

@@ -81,6 +88,14 @@ int rd_argc(struct rd *rd);
  */
 struct dev_map *dev_map_lookup(struct rd *rd, bool allow_port_index);
 
+/*
+ * Filter manipulation
+ */
+int rd_build_filter(struct rd *rd, const char * const valid_filters[]);
+bool rd_check_is_filtered(struct rd *rd, const char *key,
+			  uint32_t val, bool ignore_val);
+bool rd_check_is_string_filtered(struct rd *rd, const char *key, char *val);
+bool rd_check_is_key_exist(struct rd *rd, const char *key);
 /*
  * Netlink
  */

232 lines not on this page · raw message

index cd415670..e842d076 100644
@@ -81,6 +81,7 @@ int rd_exec_cmd(struct rd *rd, const struct rd_cmd *c, const char *str);
 int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd));
 int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd), bool strict_port);
 void rd_free(struct rd *rd);
+int rd_set_arg_to_devname(struct rd *rd);
 int rd_argc(struct rd *rd);
 
 /*

index 446c23da..73f0d04e 100644
@@ -403,6 +403,25 @@ void rd_free(struct rd *rd)
 	filters_cleanup(rd);
 }
 
+int rd_set_arg_to_devname(struct rd *rd)
+{
+	int ret = 0;
+
+	while (!rd_no_arg(rd)) {
+		if (rd_argv_match(rd, "dev") || rd_argv_match(rd, "link")) {
+			rd_arg_inc(rd);
+			if (rd_no_arg(rd)) {
+				pr_err("No device name was supplied\n");
+				ret = -EINVAL;
+			}
+			goto out;
+		}
+		rd_arg_inc(rd);
+	}
+out:
+	return ret;
+}
+
 int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd), bool strict_port)
 {
 	struct dev_map *dev_map;

index a70e87dd..ecd6b392 100644
@@ -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;
 }
 

@@ -136,12 +139,376 @@ static int _res_send_msg(struct rd *rd, uint32_t command, mnl_cb_t callback)
 		return rd_exec_link(rd, _##name, strict_port); \
 	}
 
+struct column {
+	char filter_name[32];
+	char column_name[32];
+	bool in_simple_view;
+};
+
+static bool show_column(struct rd *rd, struct column *c)
+{
+	if (rd->json_output)
+		return true;
+
+	if (rd_check_is_key_exist(rd, "display"))
+		return rd_check_is_string_filtered(rd, "display", c->filter_name);
+
+	if (!rd->show_details)
+		return c->in_simple_view;
+	return true;
+}
+
+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, struct column *c, uint32_t val)
+{
+	if (!show_column(rd, c))
+		return;
+
+	if (!strcmpx(c->filter_name, "lqpn")) {
+		if (rd->json_output) {
+			jsonw_uint_field(rd->jw, "lqpn", val);
+			return;
+		}
+		pr_out("%-11u", val);
+	}
+}
+
+static void print_rqpn(struct rd *rd, struct column *c,
+		       uint32_t val, struct nlattr **nla_line)
+{
+	if (!show_column(rd, c))
+		return;
+
+	if (!strcmpx(c->filter_name, "rqpn")) {
+		if (rd->json_output) {
+			if (nla_line[RDMA_NLDEV_ATTR_RES_RQPN])
+				jsonw_uint_field(rd->jw, "rqpn", val);
+			return;
+		}
+
+		if (nla_line[RDMA_NLDEV_ATTR_RES_RQPN])
+			pr_out("%-11u", val);
+		else
+			pr_out("%-11s", "---");
+	}
+}
+
+static void print_type(struct rd *rd, struct column *c, uint32_t val)
+{
+	if (!show_column(rd, c))
+		return;
+
+	if (!strcmpx(c->filter_name, "type")) {
+		if (rd->json_output) {
+			jsonw_string_field(rd->jw, "type",
+					   qp_types_to_str(val));
+			return;
+		}
+		pr_out("%-6s", qp_types_to_str(val));
+	}
+}
+
+static void print_state(struct rd *rd, struct column *c, uint32_t val)
+{
+	if (!show_column(rd, c))
+		return;
+
+	if (!strcmpx(c->filter_name, "state")) {
+		if (rd->json_output) {
+			jsonw_string_field(rd->jw, "state",
+					   qp_states_to_str(val));
+			return;
+		}
+		pr_out("%-7s", qp_states_to_str(val));
+	}
+}
+
+static void print_rqpsn(struct rd *rd, struct column *c,
+			uint32_t val, struct nlattr **nla_line)
+{
+	if (!show_column(rd, c))
+		return;
+
+	if (!strcmpx(c->filter_name, "rq-psn")) {
+		if (rd->json_output) {
+			if (nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
+				jsonw_uint_field(rd->jw, "rq-psn", val);
+			return;
+		}
+
+		if (nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
+			pr_out("%-11u", val);
+		else
+			pr_out("%-11s", "---");
+	}
+}
+
+static void print_sqpsn(struct rd *rd, struct column *c, uint32_t val)
+{
+	if (!show_column(rd, c))
+		return;
+
+	if (!strcmpx(c->filter_name, "sq-psn")) {
+		if (rd->json_output) {
+			jsonw_uint_field(rd->jw, "sq-psn", val);
+			return;
+		}
+		pr_out("%-11d", val);
+	}
+}
+
+static void print_pathmig(struct rd *rd, struct column *c,
+			  uint32_t val, struct nlattr **nla_line)
+{
+	if (!show_column(rd, c))
+		return;
+
+	if (!strcmpx(c->filter_name, "path-mig")) {
+		if (rd->json_output) {
+			if (nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])
+				jsonw_string_field(rd->jw,
+						   "path-mig-state",
+						   path_mig_to_str(val));
+			return;
+		}
+
+		if (nla_line[RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE])
+			pr_out("%-16s", path_mig_to_str(val));
+		else
+			pr_out("%-16s", "---");
+	}
+}
+
+static void print_pid(struct rd *rd, struct column *c, uint32_t val)
+{
+	if (!show_column(rd, c))
+		return;
+
+	if (!strcmpx(c->filter_name, "pid")) {
+		if (rd->json_output) {
+			jsonw_uint_field(rd->jw, "pid", val);
+			return;
+		}
+		pr_out("%-11d", val);
+	}
+}
+
+static void print_comm(struct rd *rd, struct column *c,
+		       const char *str, struct nlattr **nla_line)
+{
+	if (!show_column(rd, c))
+		return;
+
+	if (!strcmpx(c->filter_name, "comm")) {
+		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]) {
+			pr_out("%-16s ", str);
+		} else {
+			char tmp[18];
+
+			snprintf(tmp, sizeof(tmp), "[%s]", str);
+			pr_out("%-16s", tmp);
+		}
+	}
+}
+
+static int res_qp_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+	static struct column c[] = { { .filter_name = "lqpn",
+				       .column_name = "LQPN       ",
+				       .in_simple_view = true },
+				     { .filter_name = "rqpn",
+				       .column_name = "RQPN       " },
+				     { .filter_name = "type",
+				       .column_name = "TYPE  ",
+					.in_simple_view = true },
+				     { .filter_name = "state",
+				       .column_name = "STATE  ",
+				       .in_simple_view = true },
+				     { .filter_name = "pid",
+				       .column_name = "PID        ",
+				       .in_simple_view = true },
+				     { .filter_name = "comm",
+				       .column_name = "COMM            ",
+				       .in_simple_view = true },
+				     { .filter_name = "sq-psn",
+				       .column_name = "SQ-PSN     " },
+				     { .filter_name = "rq-psn",
+				       .column_name = "RQ-PSN     " },
+				     { .filter_name = "path-mig",
+				       .column_name = "PATH-MIG        " } };
+
+	struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+	struct nlattr *nla_table, *nla_entry;
+	static bool print_header = true;
+	struct rd *rd = data;
+	uint32_t cidx, idx;
+	const char *name;
+
+	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];
+	if (!rd->json_output && print_header) {
+		pr_out("DEV/PORT  ");
+		for (cidx = 0; cidx < ARRAY_SIZE(c); cidx++)
+			if (show_column(rd, &c[cidx]))
+				pr_out("%s", c[cidx].column_name);
+		pr_out("\n");
+		print_header = false;
+	}
+
+	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;
+		bool ignore_value = false;
+		char port_name[32];
+		const char *comm;
+		int err;
+
+		err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
+		if (err != MNL_CB_OK)
+			return -EINVAL;
+
+		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_COMM]) {
+			return -EINVAL;
+		}
+
+		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;
+
+		if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
+			snprintf(port_name, 32, "%s/%u", name, port);
+		else
+			snprintf(port_name, 32, "%s/-", name);
+
+		lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
+		if (rd_check_is_filtered(rd, "lqpn", lqpn, false))
+			continue;
+
+		if (nla_line[RDMA_NLDEV_ATTR_RES_RQPN])
+			rqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQPN]);
+		else
+			ignore_value = true;
+
+		if (rd_check_is_filtered(rd, "rqpn", rqpn, ignore_value))
+			continue;
+
+		if (nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN])
+			rq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RQ_PSN]);
+
+		sq_psn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_SQ_PSN]);
+		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]);
+		type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
+		state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]);
+
+		if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
+			pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+
+		if (rd_check_is_filtered(rd, "pid", pid, false))
+			continue;
+
+		comm = mnl_attr_get_str(nla_line[RDMA_NLDEV_ATTR_RES_PID_COMM]);
+
+		if (rd->json_output) {
+			jsonw_start_array(rd->jw);
+			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", port_name);
+		} else {
+			pr_out("%-10s", port_name);
+		}
+
+		for (cidx = 0; cidx < ARRAY_SIZE(c); cidx++) {
+			print_lqpn(rd, &c[cidx], lqpn);
+			print_rqpn(rd, &c[cidx], rqpn, nla_line);
+
+			print_type(rd, &c[cidx], type);
+			print_state(rd, &c[cidx], state);
+
+			print_rqpsn(rd, &c[cidx], rq_psn, nla_line);
+			print_sqpsn(rd, &c[cidx], sq_psn);
+
+			print_pathmig(rd, &c[cidx], path_mig_state, nla_line);
+			print_pid(rd, &c[cidx], pid);
+			print_comm(rd, &c[cidx], comm, nla_line);
+		}
+
+		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 char * const qp_valid_filters[] = { "link", "lqpn", "rqpn",
+						 "pid", "display", NULL };
+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 }
 	};
 

index d39e926e..288c6b9b 100644
@@ -352,6 +352,17 @@ static const enum mnl_attr_data_type nldev_policy[RDMA_NLDEV_ATTR_MAX] = {
 	[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_SUMMARY_ENTRY_MAX]	= 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_PID_COMM]	= MNL_TYPE_NUL_STRING,
 };
 
 int rd_attr_cb(const struct nlattr *attr, void *data)

index e842d076..816c8ddd 100644
@@ -84,6 +84,8 @@ void rd_free(struct rd *rd);
 int rd_set_arg_to_devname(struct rd *rd);
 int rd_argc(struct rd *rd);
 
+int strcmpx(const char *str1, const char *str2);
+
 /*
  * Device manipulation
  */

index 73f0d04e..e6a727e0 100644
@@ -24,7 +24,7 @@ char *rd_argv(struct rd *rd)
 	return *rd->argv;
 }
 
-static int strcmpx(const char *str1, const char *str2)
+int strcmpx(const char *str1, const char *str2)
 {
 	if (strlen(str1) > strlen(str2))
 		return -1;

index 48fbf3c3..a6f60c22 100644
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _RDMA_NETLINK_H
-#define _RDMA_NETLINK_H
+#ifndef _UAPI_RDMA_NETLINK_H
+#define _UAPI_RDMA_NETLINK_H
 
 #include <linux/types.h>
 

@@ -236,6 +236,16 @@ enum rdma_nldev_command {
 	RDMA_NLDEV_CMD_PORT_NEW,
 	RDMA_NLDEV_CMD_PORT_DEL,
 
+	RDMA_NLDEV_CMD_RES_GET, /* can dump */
+	RDMA_NLDEV_CMD_RES_SET,
+	RDMA_NLDEV_CMD_RES_NEW,
+	RDMA_NLDEV_CMD_RES_DEL,
+
+	RDMA_NLDEV_CMD_RES_QP_GET, /* can dump */
+	RDMA_NLDEV_CMD_RES_QP_SET,
+	RDMA_NLDEV_CMD_RES_QP_NEW,
+	RDMA_NLDEV_CMD_RES_QP_DEL,
+
 	RDMA_NLDEV_NUM_OPS
 };
 

@@ -303,6 +313,50 @@ enum rdma_nldev_attr {
 
 	RDMA_NLDEV_ATTR_DEV_NODE_TYPE,		/* u8 */
 
+	RDMA_NLDEV_ATTR_RES_SUMMARY,		/* nested table */
+	RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY,	/* nested table */
+	RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME,	/* string */
+	RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR,	/* u64 */
+	RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_MAX,	/* u64 */
+
+	RDMA_NLDEV_ATTR_RES_QP,			/* nested table */
+	RDMA_NLDEV_ATTR_RES_QP_ENTRY,		/* nested table */
+	/*
+	 * Local QPN
+	 */
+	RDMA_NLDEV_ATTR_RES_LQPN,		/* u32 */
+	/*
+	 * Remote QPN,
+	 * Applicable for RC and UC only IBTA 11.2.5.3 QUERY QUEUE PAIR
+	 */
+	RDMA_NLDEV_ATTR_RES_RQPN,		/* u32 */
+	/*
+	 * Receive Queue PSN,
+	 * Applicable for RC and UC only 11.2.5.3 QUERY QUEUE PAIR
+	 */
+	RDMA_NLDEV_ATTR_RES_RQ_PSN,		/* u32 */
+	/*
+	 * Send Queue PSN
+	 */
+	RDMA_NLDEV_ATTR_RES_SQ_PSN,		/* u32 */
+	RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE,	/* u8 */
+	/*
+	 * QP types as visible to RDMA/core, the reserved QPT
+	 * are not exported through this interface.
+	 */
+	RDMA_NLDEV_ATTR_RES_TYPE,		/* u8 */
+	RDMA_NLDEV_ATTR_RES_STATE,		/* u8 */
+	/*
+	 * Process ID created QP, in case of kernel PID is equal to 0
+	 * and this field won't be set, so user will distinguish user/kernel
+	 * processes without relying on PID number.
+	 */
+	RDMA_NLDEV_ATTR_RES_PID,		/* u32 */
+	/*
+	 * The name of process created following resource.
+	 */
+	RDMA_NLDEV_ATTR_RES_PID_COMM,		/* string */
+
 	RDMA_NLDEV_ATTR_MAX
 };
 #endif /* _RDMA_NETLINK_H */

index a21ba440..19608f41 100644
@@ -15,7 +15,7 @@
 static void help(char *name)
 {
 	pr_out("Usage: %s [ OPTIONS ] OBJECT { COMMAND | help }\n"
-	       "where  OBJECT := { dev | link | help }\n"
+	       "where  OBJECT := { dev | link | resource | help }\n"
 	       "       OPTIONS := { -V[ersion] | -d[etails] | -j[son] | -p[retty]}\n", name);
 }
 

@@ -32,6 +32,7 @@ static int rd_cmd(struct rd *rd)
 		{ "help",	cmd_help },
 		{ "dev",	cmd_dev },
 		{ "link",	cmd_link },
+		{ "resource",	cmd_res },
 		{ 0 }
 	};
 

index 816c8ddd..f1ddedd2 100644
@@ -77,6 +77,7 @@ char *rd_argv(struct rd *rd);
  */
 int cmd_dev(struct rd *rd);
 int cmd_link(struct rd *rd);
+int cmd_res(struct rd *rd);
 int rd_exec_cmd(struct rd *rd, const struct rd_cmd *c, const char *str);
 int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd));
 int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd), bool strict_port);

168 lines not on this page · raw message

index e6a727e0..d39e926e 100644
@@ -347,6 +347,11 @@ static const enum mnl_attr_data_type nldev_policy[RDMA_NLDEV_ATTR_MAX] = {
 	[RDMA_NLDEV_ATTR_PORT_STATE] = MNL_TYPE_U8,
 	[RDMA_NLDEV_ATTR_PORT_PHYS_STATE] = MNL_TYPE_U8,
 	[RDMA_NLDEV_ATTR_DEV_NODE_TYPE] = MNL_TYPE_U8,
+	[RDMA_NLDEV_ATTR_RES_SUMMARY]	= MNL_TYPE_NESTED,
+	[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_SUMMARY_ENTRY_MAX]	= MNL_TYPE_U64,
 };
 
 int rd_attr_cb(const struct nlattr *attr, void *data)