Gitiles
Code Review Sign In
gerrit-public.fairphone.software / fp2-dev / platform / external / fio / a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1 / . / server.h
blob: 10c9006e4339c1ec57a6f12eed5da26493ddc680 [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#include <endian.h>
7
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame^]8#include "stat.h"
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 */
17 uint64_t serial; /* serial number */
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 {
29 FIO_SERVER_VER = 1,
30 FIO_SERVER_VER1 = 1,
31
Jens Axboe794d69c2011-10-01 08:48:50 -0600[diff] [blame]32 FIO_SERVER_MAX_PDU = 64,
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]33
34 FIO_NET_CMD_QUIT = 1,
Jens Axboed7959182011-10-03 11:48:39 +0200[diff] [blame]35 FIO_NET_CMD_EXIT = 2,
36 FIO_NET_CMD_JOB = 3,
37 FIO_NET_CMD_ACK = 4,
38 FIO_NET_CMD_NAK = 5,
39 FIO_NET_CMD_TEXT = 6,
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame^]40 FIO_NET_CMD_TS = 7,
41 FIO_NET_CMD_GS = 8,
Jens Axboe794d69c2011-10-01 08:48:50 -0600[diff] [blame]42
Jens Axboed7959182011-10-03 11:48:39 +0200[diff] [blame]43 FIO_NET_CMD_F_MORE = 1UL << 0,
Jens Axboefcee5ff2011-09-30 22:50:39 -0600[diff] [blame]44
45 /* crc does not include the crc fields */
46 FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
47 2 * sizeof(uint16_t),
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]48};
49
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame^]50struct cmd_ts_pdu {
51 struct thread_stat ts;
52 struct group_run_stats rs;
53};
54
Jens Axboee46d8092011-10-03 09:11:02 +0200[diff] [blame]55extern int fio_start_server(int);
Jens Axboe142575e2011-09-30 17:35:45 -0600[diff] [blame]56extern int fio_server_text_output(const char *, unsigned int len);
57extern int fio_server_log(const char *format, ...);
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame^]58extern int fio_net_send_cmd(int, uint16_t, const void *, off_t);
59
60struct thread_stat;
61struct group_run_stats;
62extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
63extern void fio_server_send_gs(struct group_run_stats *);
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]64
Jens Axboea37f69b2011-10-01 12:24:21 -0600[diff] [blame]65extern int fio_clients_connect(void);
66extern int fio_clients_send_ini(const char *);
Jens Axboe37db14f2011-09-30 17:00:42 -0600[diff] [blame]67extern int fio_handle_clients(void);
Jens Axboea37f69b2011-10-01 12:24:21 -0600[diff] [blame]68extern void fio_client_add(const char *);
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]69
70extern int fio_recv_data(int sk, void *p, unsigned int len);
71extern int fio_send_data(int sk, const void *p, unsigned int len);
72extern void fio_net_cmd_crc(struct fio_net_cmd *);
Jens Axboea64e88d2011-10-03 14:20:01 +0200[diff] [blame^]73extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]74
Jens Axboe009b1be2011-09-29 18:27:02 -0600[diff] [blame]75extern int exit_backend;
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]76extern int fio_net_port;
77
78#if __BYTE_ORDER == __LITTLE_ENDIAN
79#define le16_to_cpu(x) (x)
80#define le32_to_cpu(x) (x)
81#define le64_to_cpu(x) (x)
82#define cpu_to_le16(x) (x)
83#define cpu_to_le32(x) (x)
84#define cpu_to_le64(x) (x)
85#elif __BYTE_ORDER == __BIG_ENDIAN
86#define le16_to_cpu(x) __bswap_16(x)
87#define le32_to_cpu(x) __bswap_32(x)
88#define le64_to_cpu(x) __bswap_64(x)
89#define cpu_to_le16(x) __bswap_16(x)
90#define cpu_to_le32(x) __bswap_32(x)
91#define cpu_to_le64(x) __bswap_64(x)
92#else
93#error "Endianness not detected"
94#endif
95
Jens Axboe4d8f8782011-09-30 22:24:17 -0600[diff] [blame]96static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
97 const void *pdu, uint32_t pdu_len)
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]98{
99 memset(cmd, 0, sizeof(*cmd));
Jens Axboe4d8f8782011-09-30 22:24:17 -0600[diff] [blame]100
101 cmd->version = cpu_to_le16(FIO_SERVER_VER1);
Jens Axboe82fa6b22011-09-30 22:29:08 -0600[diff] [blame]102 cmd->opcode = cpu_to_le16(opcode);
Jens Axboe4d8f8782011-09-30 22:24:17 -0600[diff] [blame]103
104 if (pdu) {
105 cmd->pdu_len = cpu_to_le32(pdu_len);
106 memcpy(&cmd->payload, pdu, pdu_len);
107 }
Jens Axboe132159a2011-09-30 15:01:32 -0600[diff] [blame]108}
Jens Axboe50d16972011-09-29 17:45:28 -0600[diff] [blame]109
110#endif