Add options to have fio latency profile a device

[fio.git] / server.h

diff --git a/server.h b/server.h
index 3c66ecbee403c254fc1a8993372ca270f1c58181..84901cf6f176e950771f98bd46047c00018ae4df 100644 (file)
--- a/server.h
+++ b/server.h
@@ -27,18 +27,18 @@ struct fio_net_cmd {
         */
        uint16_t cmd_crc16;     /* cmd checksum */
        uint16_t pdu_crc16;     /* payload checksum */
-       uint8_t payload[0];     /* payload */
+       uint8_t payload[];      /* payload */
 };
 
-struct fio_net_int_cmd {
-       struct fio_net_cmd cmd;
+struct fio_net_cmd_reply {
        struct flist_head list;
        struct timeval tv;
        uint64_t saved_tag;
+       uint16_t opcode;
 };
 
 enum {
-       FIO_SERVER_VER                  = 13,
+       FIO_SERVER_VER                  = 28,
 
        FIO_SERVER_MAX_FRAGMENT_PDU     = 1024,
 
@@ -59,7 +59,8 @@ enum {
        FIO_NET_CMD_ADD_JOB             = 15,
        FIO_NET_CMD_RUN                 = 16,
        FIO_NET_CMD_IOLOG               = 17,
-       FIO_NET_CMD_NR                  = 18,
+       FIO_NET_CMD_UPDATE_JOB          = 18,
+       FIO_NET_CMD_NR                  = 19,
 
        FIO_NET_CMD_F_MORE              = 1UL << 0,
 
@@ -70,6 +71,8 @@ enum {
        FIO_NET_NAME_MAX                = 256,
 
        FIO_NET_CLIENT_TIMEOUT          = 5000,
+
+       FIO_PROBE_FLAG_ZLIB             = 1UL << 0,
 };
 
 struct cmd_ts_pdu {
@@ -82,26 +85,30 @@ struct cmd_du_pdu {
        struct disk_util_agg agg;
 };
 
-struct cmd_probe_pdu {
+struct cmd_client_probe_pdu {
+       uint64_t flags;
+};
+
+struct cmd_probe_reply_pdu {
        uint8_t hostname[64];
        uint8_t bigendian;
-       uint8_t fio_major;
-       uint8_t fio_minor;
-       uint8_t fio_patch;
+       uint8_t fio_version[32];
        uint8_t os;
        uint8_t arch;
        uint8_t bpp;
+       uint32_t cpus;
+       uint64_t flags;
 };
 
 struct cmd_single_line_pdu {
        uint16_t len;
-       uint8_t text[0];
+       uint8_t text[];
 };
 
 struct cmd_line_pdu {
        uint16_t lines;
        uint16_t client_type;
-       struct cmd_single_line_pdu options[0];
+       struct cmd_single_line_pdu options[];
 };
 
 struct cmd_job_pdu {
@@ -112,10 +119,12 @@ struct cmd_job_pdu {
 
 struct cmd_start_pdu {
        uint32_t jobs;
+       uint32_t stat_outputs;
 };
 
 struct cmd_end_pdu {
        uint32_t error;
+       uint32_t signal;
 };
 
 struct cmd_add_job_pdu {
@@ -136,13 +145,14 @@ struct cmd_iolog_pdu {
        uint32_t thread_number;
        uint32_t nr_samples;
        uint32_t log_type;
+       uint32_t compressed;
        uint8_t name[FIO_NET_NAME_MAX];
        struct io_sample samples[0];
 };
 
 extern int fio_start_server(char *);
 extern int fio_server_text_output(int, const char *, size_t);
-extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t);
+extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t *, struct flist_head *);
 extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
 extern void fio_server_set_arg(const char *);
 extern int fio_server_parse_string(const char *, char **, int *, int *, struct in_addr *, struct in6_addr *, int *);
@@ -157,6 +167,11 @@ extern void fio_server_send_gs(struct group_run_stats *);
 extern void fio_server_send_du(void);
 extern void fio_server_idle_loop(void);
 
+extern int fio_clients_connect(void);
+extern int fio_clients_send_ini(const char *);
+extern void fio_client_add_cmd_option(void *, const char *);
+extern void fio_client_add_ini_file(void *, const char *);
+
 extern int fio_recv_data(int sk, void *p, unsigned int len);
 extern int fio_send_data(int sk, const void *p, unsigned int len);
 extern void fio_net_cmd_crc(struct fio_net_cmd *);
@@ -165,6 +180,9 @@ extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
 
 extern int fio_send_iolog(struct thread_data *, struct io_log *, const char *);
 extern void fio_server_send_add_job(struct thread_data *);
+extern void fio_server_send_start(struct thread_data *);
+extern int fio_net_send_stop(int sk, int error, int signal);
+extern int fio_net_send_quit(int sk);
 
 extern int exit_backend;
 extern int fio_net_port;