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Jens Axboe50d16972011-09-29 17:45:28 -06001#ifndef FIO_SERVER_H
2#define FIO_SERVER_H
3
Jens Axboe132159a2011-09-30 15:01:32 -06004#include <inttypes.h>
Jens Axboe142575e2011-09-30 17:35:45 -06005#include <string.h>
Jens Axboe89c17072011-10-11 10:15:51 +02006#include <sys/time.h>
Jens Axboe811826b2011-10-24 09:11:50 +02007#include <netinet/in.h>
Jens Axboe132159a2011-09-30 15:01:32 -06008
Jens Axboea64e88d2011-10-03 14:20:01 +02009#include "stat.h"
Jens Axboe610a7302011-10-04 13:53:35 +020010#include "os/os.h"
Jens Axboed09a64a2011-10-13 11:38:56 +020011#include "diskutil.h"
Jens Axboea64e88d2011-10-03 14:20:01 +020012
Stephen M. Cameron5adc2442012-02-24 08:17:31 +010013#define FIO_NET_PORT 8765
14
Jens Axboe132159a2011-09-30 15:01:32 -060015/*
16 * On-wire encoding is little endian
17 */
18struct fio_net_cmd {
19 uint16_t version; /* protocol version */
20 uint16_t opcode; /* command opcode */
21 uint32_t flags; /* modifier flags */
Jens Axboeaf9c9fb2011-10-09 21:54:10 +020022 uint64_t tag; /* passed back on reply */
Jens Axboe132159a2011-09-30 15:01:32 -060023 uint32_t pdu_len; /* length of post-cmd layload */
Jens Axboea64e88d2011-10-03 14:20:01 +020024 /*
25 * These must be immediately before the payload, anything before
26 * these fields are checksummed.
27 */
Jens Axboefcee5ff2011-09-30 22:50:39 -060028 uint16_t cmd_crc16; /* cmd checksum */
29 uint16_t pdu_crc16; /* payload checksum */
Jens Axboe132159a2011-09-30 15:01:32 -060030 uint8_t payload[0]; /* payload */
31};
32
Jens Axboe89c17072011-10-11 10:15:51 +020033struct fio_net_int_cmd {
34 struct fio_net_cmd cmd;
35 struct flist_head list;
36 struct timeval tv;
37 uint64_t saved_tag;
38};
39
Jens Axboe132159a2011-09-30 15:01:32 -060040enum {
Jens Axboe2f122b12012-03-15 13:10:19 +010041 FIO_SERVER_VER = 13,
Jens Axboe132159a2011-09-30 15:01:32 -060042
Jens Axboeb9d2f302012-03-08 20:36:28 +010043 FIO_SERVER_MAX_FRAGMENT_PDU = 1024,
Jens Axboe132159a2011-09-30 15:01:32 -060044
Jens Axboe5d7793a2012-03-08 19:59:16 +010045 FIO_NET_CMD_QUIT = 1,
46 FIO_NET_CMD_EXIT = 2,
47 FIO_NET_CMD_JOB = 3,
48 FIO_NET_CMD_JOBLINE = 4,
49 FIO_NET_CMD_TEXT = 5,
50 FIO_NET_CMD_TS = 6,
51 FIO_NET_CMD_GS = 7,
52 FIO_NET_CMD_SEND_ETA = 8,
53 FIO_NET_CMD_ETA = 9,
54 FIO_NET_CMD_PROBE = 10,
55 FIO_NET_CMD_START = 11,
56 FIO_NET_CMD_STOP = 12,
57 FIO_NET_CMD_DU = 13,
58 FIO_NET_CMD_SERVER_START = 14,
59 FIO_NET_CMD_ADD_JOB = 15,
Jens Axboeb9d2f302012-03-08 20:36:28 +010060 FIO_NET_CMD_RUN = 16,
Jens Axboe1b427252012-03-14 15:03:03 +010061 FIO_NET_CMD_IOLOG = 17,
62 FIO_NET_CMD_NR = 18,
Jens Axboe794d69c2011-10-01 08:48:50 -060063
Jens Axboe5d7793a2012-03-08 19:59:16 +010064 FIO_NET_CMD_F_MORE = 1UL << 0,
Jens Axboefcee5ff2011-09-30 22:50:39 -060065
66 /* crc does not include the crc fields */
Jens Axboe5d7793a2012-03-08 19:59:16 +010067 FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
68 2 * sizeof(uint16_t),
Jens Axboe89c17072011-10-11 10:15:51 +020069
Jens Axboe1b427252012-03-14 15:03:03 +010070 FIO_NET_NAME_MAX = 256,
71
Jens Axboe5d7793a2012-03-08 19:59:16 +010072 FIO_NET_CLIENT_TIMEOUT = 5000,
Jens Axboe132159a2011-09-30 15:01:32 -060073};
74
Jens Axboea64e88d2011-10-03 14:20:01 +020075struct cmd_ts_pdu {
76 struct thread_stat ts;
77 struct group_run_stats rs;
78};
79
Jens Axboed09a64a2011-10-13 11:38:56 +020080struct cmd_du_pdu {
81 struct disk_util_stat dus;
82 struct disk_util_agg agg;
83};
84
Jens Axboec28e8e82011-10-04 08:57:39 +020085struct cmd_probe_pdu {
86 uint8_t hostname[64];
Jens Axboe6eb24792011-10-04 15:00:30 +020087 uint8_t bigendian;
Jens Axboec28e8e82011-10-04 08:57:39 +020088 uint8_t fio_major;
89 uint8_t fio_minor;
90 uint8_t fio_patch;
Jens Axboecca84642011-10-07 12:47:57 +020091 uint8_t os;
92 uint8_t arch;
Jens Axboe38fdef22011-10-11 14:30:06 +020093 uint8_t bpp;
Jens Axboec28e8e82011-10-04 08:57:39 +020094};
95
Jens Axboefa2ea802011-10-08 21:07:29 +020096struct cmd_single_line_pdu {
97 uint16_t len;
98 uint8_t text[0];
99};
100
Jens Axboe81179ee2011-10-04 12:42:06 +0200101struct cmd_line_pdu {
Jens Axboefa2ea802011-10-08 21:07:29 +0200102 uint16_t lines;
Jens Axboe46bcd492012-03-14 11:31:21 +0100103 uint16_t client_type;
Jens Axboefa2ea802011-10-08 21:07:29 +0200104 struct cmd_single_line_pdu options[0];
Jens Axboe81179ee2011-10-04 12:42:06 +0200105};
106
Jens Axboe46bcd492012-03-14 11:31:21 +0100107struct cmd_job_pdu {
108 uint32_t buf_len;
109 uint32_t client_type;
110 uint8_t buf[0];
111};
112
Jens Axboe11e950b2011-10-16 21:34:14 +0200113struct cmd_start_pdu {
114 uint32_t jobs;
115};
116
117struct cmd_end_pdu {
118 uint32_t error;
119};
120
Jens Axboe807f9972012-03-02 10:25:24 +0100121struct cmd_add_job_pdu {
Jens Axboe2f122b12012-03-15 13:10:19 +0100122 uint32_t thread_number;
123 uint32_t groupid;
Jens Axboedcaeb602012-03-08 19:45:37 +0100124 struct thread_options_pack top;
Jens Axboe807f9972012-03-02 10:25:24 +0100125};
126
Jens Axboe084d1c62012-03-03 20:28:07 +0100127struct cmd_text_pdu {
128 uint32_t level;
129 uint32_t buf_len;
130 uint64_t log_sec;
131 uint64_t log_usec;
132 uint8_t buf[0];
133};
134
Jens Axboe1b427252012-03-14 15:03:03 +0100135struct cmd_iolog_pdu {
Jens Axboe2f122b12012-03-15 13:10:19 +0100136 uint32_t thread_number;
Jens Axboe1b427252012-03-14 15:03:03 +0100137 uint32_t nr_samples;
138 uint32_t log_type;
139 uint8_t name[FIO_NET_NAME_MAX];
140 struct io_sample samples[0];
141};
142
Jens Axboe402668f2011-10-10 15:28:58 +0200143extern int fio_start_server(char *);
Jens Axboe084d1c62012-03-03 20:28:07 +0100144extern int fio_server_text_output(int, const char *, size_t);
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200145extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t);
Jens Axboe89c17072011-10-11 10:15:51 +0200146extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
Jens Axboebebe6392011-10-07 10:00:51 +0200147extern void fio_server_set_arg(const char *);
Jens Axboe811826b2011-10-24 09:11:50 +0200148extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *, struct in6_addr *, int *);
Jens Axboe3ec62ec2012-03-01 12:01:29 +0100149extern int fio_server_parse_host(const char *, int *, struct in_addr *, struct in6_addr *);
Jens Axboe89c17072011-10-11 10:15:51 +0200150extern const char *fio_server_op(unsigned int);
Jens Axboe7b821682011-10-11 12:16:32 +0200151extern void fio_server_got_signal(int);
Jens Axboea64e88d2011-10-03 14:20:01 +0200152
153struct thread_stat;
154struct group_run_stats;
155extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
156extern void fio_server_send_gs(struct group_run_stats *);
Jens Axboed09a64a2011-10-13 11:38:56 +0200157extern void fio_server_send_du(void);
Jens Axboecc0df002011-10-03 20:53:32 +0200158extern void fio_server_idle_loop(void);
Jens Axboe132159a2011-09-30 15:01:32 -0600159
Jens Axboe132159a2011-09-30 15:01:32 -0600160extern int fio_recv_data(int sk, void *p, unsigned int len);
161extern int fio_send_data(int sk, const void *p, unsigned int len);
162extern void fio_net_cmd_crc(struct fio_net_cmd *);
Jens Axboe53bd8db2012-03-14 21:51:38 +0100163extern void fio_net_cmd_crc_pdu(struct fio_net_cmd *, const void *);
Jens Axboee951bdc2011-10-05 21:58:45 +0200164extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
Jens Axboe132159a2011-09-30 15:01:32 -0600165
Jens Axboe1b427252012-03-14 15:03:03 +0100166extern int fio_send_iolog(struct thread_data *, struct io_log *, const char *);
Jens Axboe2f122b12012-03-15 13:10:19 +0100167extern void fio_server_send_add_job(struct thread_data *);
Jens Axboe807f9972012-03-02 10:25:24 +0100168
Jens Axboe009b1be2011-09-29 18:27:02 -0600169extern int exit_backend;
Jens Axboe132159a2011-09-30 15:01:32 -0600170extern int fio_net_port;
171
Jens Axboe1b427252012-03-14 15:03:03 +0100172static inline void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
173 uint32_t pdu_len, uint64_t tag)
Jens Axboe132159a2011-09-30 15:01:32 -0600174{
175 memset(cmd, 0, sizeof(*cmd));
Jens Axboe4d8f8782011-09-30 22:24:17 -0600176
Jens Axboefa2ea802011-10-08 21:07:29 +0200177 cmd->version = __cpu_to_le16(FIO_SERVER_VER);
Jens Axboe82fa6b22011-09-30 22:29:08 -0600178 cmd->opcode = cpu_to_le16(opcode);
Jens Axboeaf9c9fb2011-10-09 21:54:10 +0200179 cmd->tag = cpu_to_le64(tag);
Jens Axboe1b427252012-03-14 15:03:03 +0100180 cmd->pdu_len = cpu_to_le32(pdu_len);
181}
Jens Axboe4d8f8782011-09-30 22:24:17 -0600182
Jens Axboe1b427252012-03-14 15:03:03 +0100183
184static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
185 const void *pdu, uint32_t pdu_len,
186 uint64_t tag)
187{
188 __fio_init_net_cmd(cmd, opcode, pdu_len, tag);
189
190 if (pdu)
Jens Axboe4d8f8782011-09-30 22:24:17 -0600191 memcpy(&cmd->payload, pdu, pdu_len);
Jens Axboe132159a2011-09-30 15:01:32 -0600192}
Jens Axboe50d16972011-09-29 17:45:28 -0600193
194#endif