rdma/rdma.h

   1 /*
   2  * rdma.c       RDMA tool
   3  *
   4  *              This program is free software; you can redistribute it and/or
   5  *              modify it under the terms of the GNU General Public License
   6  *              as published by the Free Software Foundation; either version
   7  *              2 of the License, or (at your option) any later version.
   8  *
   9  * Authors:     Leon Romanovsky <leonro@mellanox.com>
  10  */
  11 #ifndef _RDMA_TOOL_H_
  12 #define _RDMA_TOOL_H_
  13
  14 #include <stdlib.h>
  15 #include <string.h>
  16 #include <errno.h>
  17 #include <getopt.h>
  18 #include <libmnl/libmnl.h>
  19 #include <rdma/rdma_netlink.h>
  20 #include <time.h>
  21
  22 #include "list.h"
  23 #include "utils.h"
  24 #include "json_writer.h"
  25
  26 #define pr_err(args...) fprintf(stderr, ##args)
  27 #define pr_out(args...) fprintf(stdout, ##args)
  28
  29 #define RDMA_BITMAP_ENUM(name, bit_no) RDMA_BITMAP_##name = BIT(bit_no),
  30 #define RDMA_BITMAP_NAMES(name, bit_no) [bit_no] = #name,
  31
  32 struct dev_map {
  33         struct list_head list;
  34         char *dev_name;
  35         uint32_t num_ports;
  36         uint32_t idx;
  37 };
  38
  39 struct rd {
  40         int argc;
  41         char **argv;
  42         char *filename;
  43         bool show_details;
  44         struct list_head dev_map_list;
  45         uint32_t dev_idx;
  46         uint32_t port_idx;
  47         struct mnl_socket *nl;
  48         struct nlmsghdr *nlh;
  49         char *buff;
  50         json_writer_t *jw;
  51         bool json_output;
  52         bool pretty_output;
  53 };
  54
  55 struct rd_cmd {
  56         const char *cmd;
  57         int (*func)(struct rd *rd);
  58 };
  59
  60 /*
  61  * Parser interface
  62  */
  63 bool rd_no_arg(struct rd *rd);
  64 void rd_arg_inc(struct rd *rd);
  65
  66 char *rd_argv(struct rd *rd);
  67 uint32_t get_port_from_argv(struct rd *rd);
  68
  69 /*
  70  * Commands interface
  71  */
  72 int cmd_dev(struct rd *rd);
  73 int cmd_link(struct rd *rd);
  74 int rd_exec_cmd(struct rd *rd, const struct rd_cmd *c, const char *str);
  75 int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd));
  76 int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd));
  77 void rd_free(struct rd *rd);
  78
  79 /*
  80  * Device manipulation
  81  */
  82 struct dev_map *dev_map_lookup(struct rd *rd, bool allow_port_index);
  83
  84 /*
  85  * Netlink
  86  */
  87 int rd_send_msg(struct rd *rd);
  88 int rd_recv_msg(struct rd *rd, mnl_cb_t callback, void *data, uint32_t seq);
  89 void rd_prepare_msg(struct rd *rd, uint32_t cmd, uint32_t *seq, uint16_t flags);
  90 int rd_dev_init_cb(const struct nlmsghdr *nlh, void *data);
  91 int rd_attr_cb(const struct nlattr *attr, void *data);
  92 #endif /* _RDMA_TOOL_H_ */