Gitiles
Code Review Sign In
gerrit-public.fairphone.software / fp2-dev / platform / external / fio / af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07f / . / server.h
blob: 9f7eeaecc1340f3adc5fe9e90711eff59c714c34 [file] [log] [blame]
Jens Axboe50d16972011-09-29 17:45:28 -0600[diff] [blame]1#ifndef FIO_SERVER_H
2#define FIO_SERVER_H
3
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]4#include <inttypes.h>
Jens Axboe142575e2011-09-30 17:35:45 -0600[diff] [blame]5#include <string.h>
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]6
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]7#include "stat.h"
Jens Axboe610a7302011-10-04 13:53:35 +0200[diff] [blame]8#include "os/os.h"
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]9
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]10/*
11 * On-wire encoding is little endian
12 */
13struct fio_net_cmd {
14 uint16_t version; /* protocol version */
15 uint16_t opcode; /* command opcode */
16 uint32_t flags; /* modifier flags */
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200[diff] [blame^]17 uint64_t tag; /* passed back on reply */
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]18 uint32_t pdu_len; /* length of post-cmd layload */
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]19 /*
20 * These must be immediately before the payload, anything before
21 * these fields are checksummed.
22 */
Jens Axboefcee5ff2011-09-30 22:50:39 -0600[diff] [blame]23 uint16_t cmd_crc16; /* cmd checksum */
24 uint16_t pdu_crc16; /* payload checksum */
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]25 uint8_t payload[0]; /* payload */
26};
27
28enum {
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200[diff] [blame^]29 FIO_SERVER_VER = 5,
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]30
Jens Axboe5cf6be72011-10-07 10:12:47 +0200[diff] [blame]31 FIO_SERVER_MAX_PDU = 1024,
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]32
33 FIO_NET_CMD_QUIT = 1,
Jens Axboed7959182011-10-03 11:48:39 +0200[diff] [blame]34 FIO_NET_CMD_EXIT = 2,
35 FIO_NET_CMD_JOB = 3,
Jens Axboe81179ee2011-10-04 12:42:06 +0200[diff] [blame]36 FIO_NET_CMD_JOBLINE = 4,
37 FIO_NET_CMD_TEXT = 5,
38 FIO_NET_CMD_TS = 6,
39 FIO_NET_CMD_GS = 7,
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200[diff] [blame^]40 FIO_NET_CMD_SEND_ETA = 8,
41 FIO_NET_CMD_ETA = 9,
42 FIO_NET_CMD_PROBE = 10,
43 FIO_NET_CMD_START = 11,
44 FIO_NET_CMD_STOP = 12,
Jens Axboe794d69c2011-10-01 08:48:50 -0600[diff] [blame]45
Jens Axboed7959182011-10-03 11:48:39 +0200[diff] [blame]46 FIO_NET_CMD_F_MORE = 1UL << 0,
Jens Axboefcee5ff2011-09-30 22:50:39 -0600[diff] [blame]47
48 /* crc does not include the crc fields */
49 FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
50 2 * sizeof(uint16_t),
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]51};
52
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]53struct cmd_ts_pdu {
54 struct thread_stat ts;
55 struct group_run_stats rs;
56};
57
Jens Axboec28e8e82011-10-04 08:57:39 +0200[diff] [blame]58struct cmd_probe_pdu {
59 uint8_t hostname[64];
Jens Axboe6eb24792011-10-04 15:00:30 +0200[diff] [blame]60 uint8_t bigendian;
Jens Axboec28e8e82011-10-04 08:57:39 +0200[diff] [blame]61 uint8_t fio_major;
62 uint8_t fio_minor;
63 uint8_t fio_patch;
Jens Axboecca84642011-10-07 12:47:57 +0200[diff] [blame]64 uint8_t os;
65 uint8_t arch;
Jens Axboec28e8e82011-10-04 08:57:39 +0200[diff] [blame]66};
67
Jens Axboefa2ea802011-10-08 21:07:29 +0200[diff] [blame]68struct cmd_single_line_pdu {
69 uint16_t len;
70 uint8_t text[0];
71};
72
Jens Axboe81179ee2011-10-04 12:42:06 +0200[diff] [blame]73struct cmd_line_pdu {
Jens Axboefa2ea802011-10-08 21:07:29 +0200[diff] [blame]74 uint16_t lines;
75 struct cmd_single_line_pdu options[0];
Jens Axboe81179ee2011-10-04 12:42:06 +0200[diff] [blame]76};
77
Jens Axboee46d8092011-10-03 09:11:02 +0200[diff] [blame]78extern int fio_start_server(int);
Jens Axboe142575e2011-09-30 17:35:45 -0600[diff] [blame]79extern int fio_server_text_output(const char *, unsigned int len);
80extern int fio_server_log(const char *format, ...);
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200[diff] [blame^]81extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t);
82extern int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag);
Jens Axboebebe6392011-10-07 10:00:51 +0200[diff] [blame]83extern void fio_server_set_arg(const char *);
84extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *);
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame]85
86struct thread_stat;
87struct group_run_stats;
88extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
89extern void fio_server_send_gs(struct group_run_stats *);
Jens Axboecc0df002011-10-03 20:53:32 +0200[diff] [blame]90extern void fio_server_idle_loop(void);
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]91
Jens Axboea37f69b2011-10-01 12:24:21 -0600[diff] [blame]92extern int fio_clients_connect(void);
93extern int fio_clients_send_ini(const char *);
Jens Axboe37db14f2011-09-30 17:00:42 -0600[diff] [blame]94extern int fio_handle_clients(void);
Jens Axboebebe6392011-10-07 10:00:51 +0200[diff] [blame]95extern int fio_client_add(const char *, void **);
Jens Axboefa2ea802011-10-08 21:07:29 +0200[diff] [blame]96extern void fio_client_add_cmd_option(void *, const char *);
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]97
98extern int fio_recv_data(int sk, void *p, unsigned int len);
99extern int fio_send_data(int sk, const void *p, unsigned int len);
100extern void fio_net_cmd_crc(struct fio_net_cmd *);
Jens Axboee951bdc2011-10-05 21:58:45 +0200[diff] [blame]101extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]102
Jens Axboe009b1be2011-09-29 18:27:02 -0600[diff] [blame]103extern int exit_backend;
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]104extern int fio_net_port;
105
Jens Axboe4d8f8782011-09-30 22:24:17 -0600[diff] [blame]106static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200[diff] [blame^]107 const void *pdu, uint32_t pdu_len,
108 uint64_t tag)
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]109{
110 memset(cmd, 0, sizeof(*cmd));
Jens Axboe4d8f8782011-09-30 22:24:17 -0600[diff] [blame]111
Jens Axboefa2ea802011-10-08 21:07:29 +0200[diff] [blame]112 cmd->version = __cpu_to_le16(FIO_SERVER_VER);
Jens Axboe82fa6b22011-09-30 22:29:08 -0600[diff] [blame]113 cmd->opcode = cpu_to_le16(opcode);
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200[diff] [blame^]114 cmd->tag = cpu_to_le64(tag);
Jens Axboe4d8f8782011-09-30 22:24:17 -0600[diff] [blame]115
116 if (pdu) {
117 cmd->pdu_len = cpu_to_le32(pdu_len);
118 memcpy(&cmd->payload, pdu, pdu_len);
119 }
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]120}
Jens Axboe50d16972011-09-29 17:45:28 -0600[diff] [blame]121
122#endif