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331152752a
This enhancement allows printing rdma device-specific state, if provided
by the kernel. This is done in a generic manner, so rdma tool doesn't
need to know about the details of every type of rdma device.
Driver attributes for a rdma resource are in the form of <key,
[print_type], value> tuples, where the key is a string and the value can
be any supported driver attribute. The print_type attribute, if present,
provides a print format to use vs the standard print format for the type.
For example, the default print type for a PROVIDER_S32 value is "%d ",
but "0x%x " if the print_type of PRINT_TYPE_HEX is included inthe tuple.
Driver resources are only printed when the -dd flag is present.
If -p is present, then the output is formatted to not exceed 80 columns,
otherwise it is printed as a single row to be grep/awk friendly.
Example output:
# rdma resource show qp lqpn 1028 -dd -p
link cxgb4_0/- lqpn 1028 rqpn 0 type RC state RTS rq-psn 0 sq-psn 0 path-mig-state MIGRATED pid 0 comm [nvme_rdma]
sqid 1028 flushed 0 memsize 123968 cidx 85 pidx 85 wq_pidx 106 flush_cidx 85 in_use 0
size 386 flags 0x0 rqid 1029 memsize 16768 cidx 43 pidx 41 wq_pidx 171 msn 44 rqt_hwaddr 0x2a8a5d00
rqt_size 256 in_use 128 size 130
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
130 lines
3.1 KiB
C
130 lines
3.1 KiB
C
/*
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* rdma.c RDMA tool
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* Authors: Leon Romanovsky <leonro@mellanox.com>
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*/
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#ifndef _RDMA_TOOL_H_
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#define _RDMA_TOOL_H_
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <getopt.h>
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#include <libmnl/libmnl.h>
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#include <rdma/rdma_netlink.h>
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#include <rdma/rdma_user_cm.h>
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#include <time.h>
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#include <net/if_arp.h>
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#include "list.h"
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#include "utils.h"
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#include "json_writer.h"
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#define pr_err(args...) fprintf(stderr, ##args)
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#define pr_out(args...) fprintf(stdout, ##args)
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#define RDMA_BITMAP_ENUM(name, bit_no) RDMA_BITMAP_##name = BIT(bit_no),
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#define RDMA_BITMAP_NAMES(name, bit_no) [bit_no] = #name,
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#define MAX_NUMBER_OF_FILTERS 64
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struct filters {
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char name[32];
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bool is_number;
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};
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struct filter_entry {
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struct list_head list;
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char *key;
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char *value;
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};
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struct dev_map {
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struct list_head list;
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char *dev_name;
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uint32_t num_ports;
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uint32_t idx;
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};
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struct rd {
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int argc;
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char **argv;
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char *filename;
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bool show_details;
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bool show_driver_details;
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struct list_head dev_map_list;
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uint32_t dev_idx;
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uint32_t port_idx;
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struct mnl_socket *nl;
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struct nlmsghdr *nlh;
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char *buff;
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json_writer_t *jw;
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bool json_output;
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bool pretty_output;
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struct list_head filter_list;
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};
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struct rd_cmd {
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const char *cmd;
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int (*func)(struct rd *rd);
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};
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/*
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* Parser interface
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*/
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bool rd_no_arg(struct rd *rd);
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void rd_arg_inc(struct rd *rd);
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char *rd_argv(struct rd *rd);
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/*
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* Commands interface
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*/
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int cmd_dev(struct rd *rd);
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int cmd_link(struct rd *rd);
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int cmd_res(struct rd *rd);
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int rd_exec_cmd(struct rd *rd, const struct rd_cmd *c, const char *str);
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int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd));
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int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd), bool strict_port);
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void rd_free(struct rd *rd);
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int rd_set_arg_to_devname(struct rd *rd);
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int rd_argc(struct rd *rd);
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int strcmpx(const char *str1, const char *str2);
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/*
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* Device manipulation
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*/
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struct dev_map *dev_map_lookup(struct rd *rd, bool allow_port_index);
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/*
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* Filter manipulation
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*/
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int rd_build_filter(struct rd *rd, const struct filters valid_filters[]);
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bool rd_check_is_filtered(struct rd *rd, const char *key, uint32_t val);
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bool rd_check_is_string_filtered(struct rd *rd, const char *key, const char *val);
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bool rd_check_is_key_exist(struct rd *rd, const char *key);
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/*
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* Netlink
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*/
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int rd_send_msg(struct rd *rd);
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int rd_recv_msg(struct rd *rd, mnl_cb_t callback, void *data, uint32_t seq);
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void rd_prepare_msg(struct rd *rd, uint32_t cmd, uint32_t *seq, uint16_t flags);
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int rd_dev_init_cb(const struct nlmsghdr *nlh, void *data);
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int rd_attr_cb(const struct nlattr *attr, void *data);
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int rd_attr_check(const struct nlattr *attr, int *typep);
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/*
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* Print helpers
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*/
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void print_driver_table(struct rd *rd, struct nlattr *tb);
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void newline(struct rd *rd);
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void newline_indent(struct rd *rd);
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#define MAX_LINE_LENGTH 80
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#endif /* _RDMA_TOOL_H_ */
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