Release 4.11 drivers/staging/lustre/lnet/selftest/rpc.h
/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is included
* in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
* http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
* Copyright (c) 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*/
#ifndef __SELFTEST_RPC_H__
#define __SELFTEST_RPC_H__
#include "../../include/linux/lnet/lnetst.h"
/*
* LST wired structures
*
* XXX: *REPLY == *REQST + 1
*/
enum srpc_msg_type {
SRPC_MSG_MKSN_REQST = 0,
SRPC_MSG_MKSN_REPLY = 1,
SRPC_MSG_RMSN_REQST = 2,
SRPC_MSG_RMSN_REPLY = 3,
SRPC_MSG_BATCH_REQST = 4,
SRPC_MSG_BATCH_REPLY = 5,
SRPC_MSG_STAT_REQST = 6,
SRPC_MSG_STAT_REPLY = 7,
SRPC_MSG_TEST_REQST = 8,
SRPC_MSG_TEST_REPLY = 9,
SRPC_MSG_DEBUG_REQST = 10,
SRPC_MSG_DEBUG_REPLY = 11,
SRPC_MSG_BRW_REQST = 12,
SRPC_MSG_BRW_REPLY = 13,
SRPC_MSG_PING_REQST = 14,
SRPC_MSG_PING_REPLY = 15,
SRPC_MSG_JOIN_REQST = 16,
SRPC_MSG_JOIN_REPLY = 17,
};
/* CAVEAT EMPTOR:
* All srpc_*_reqst_t's 1st field must be matchbits of reply buffer,
* and 2nd field matchbits of bulk buffer if any.
*
* All srpc_*_reply_t's 1st field must be a __u32 status, and 2nd field
* session id if needed.
*/
struct srpc_generic_reqst {
__u64 rpyid; /* reply buffer matchbits */
__u64 bulkid; /* bulk buffer matchbits */
}
WIRE_ATTR;
struct srpc_generic_reply {
__u32 status;
struct lst_sid sid;
}
WIRE_ATTR;
/* FRAMEWORK RPCs */
struct srpc_mksn_reqst {
__u64 mksn_rpyid; /* reply buffer matchbits */
struct lst_sid mksn_sid; /* session id */
__u32 mksn_force; /* use brute force */
char mksn_name[LST_NAME_SIZE];
}
WIRE_ATTR;
/* make session request */
struct srpc_mksn_reply {
__u32 mksn_status; /* session status */
struct lst_sid mksn_sid; /* session id */
__u32 mksn_timeout; /* session timeout */
char mksn_name[LST_NAME_SIZE];
}
WIRE_ATTR;
/* make session reply */
struct srpc_rmsn_reqst {
__u64 rmsn_rpyid; /* reply buffer matchbits */
struct lst_sid rmsn_sid; /* session id */
}
WIRE_ATTR;
/* remove session request */
struct srpc_rmsn_reply {
__u32 rmsn_status;
struct lst_sid rmsn_sid; /* session id */
}
WIRE_ATTR;
/* remove session reply */
struct srpc_join_reqst {
__u64 join_rpyid; /* reply buffer matchbits */
struct lst_sid join_sid; /* session id to join */
char join_group[LST_NAME_SIZE]; /* group name */
}
WIRE_ATTR;
struct srpc_join_reply {
__u32 join_status; /* returned status */
struct lst_sid join_sid; /* session id */
__u32 join_timeout; /* # seconds' inactivity to
* expire
*/
char join_session[LST_NAME_SIZE]; /* session name */
}
WIRE_ATTR;
struct srpc_debug_reqst {
__u64 dbg_rpyid; /* reply buffer matchbits */
struct lst_sid dbg_sid; /* session id */
__u32 dbg_flags; /* bitmap of debug */
}
WIRE_ATTR;
struct srpc_debug_reply {
__u32 dbg_status; /* returned code */
struct lst_sid dbg_sid; /* session id */
__u32 dbg_timeout; /* session timeout */
__u32 dbg_nbatch; /* # of batches in the node */
char dbg_name[LST_NAME_SIZE]; /* session name */
}
WIRE_ATTR;
#define SRPC_BATCH_OPC_RUN 1
#define SRPC_BATCH_OPC_STOP 2
#define SRPC_BATCH_OPC_QUERY 3
struct srpc_batch_reqst {
__u64 bar_rpyid; /* reply buffer matchbits */
struct lst_sid bar_sid; /* session id */
struct lst_bid bar_bid; /* batch id */
__u32 bar_opc; /* create/start/stop batch */
__u32 bar_testidx; /* index of test */
__u32 bar_arg; /* parameters */
}
WIRE_ATTR;
struct srpc_batch_reply {
__u32 bar_status; /* status of request */
struct lst_sid bar_sid; /* session id */
__u32 bar_active; /* # of active tests in batch/test */
__u32 bar_time; /* remained time */
}
WIRE_ATTR;
struct srpc_stat_reqst {
__u64 str_rpyid; /* reply buffer matchbits */
struct lst_sid str_sid; /* session id */
__u32 str_type; /* type of stat */
}
WIRE_ATTR;
struct srpc_stat_reply {
__u32 str_status;
struct lst_sid str_sid;
struct sfw_counters str_fw;
struct srpc_counters str_rpc;
lnet_counters_t str_lnet;
}
WIRE_ATTR;
struct test_bulk_req {
__u32 blk_opc; /* bulk operation code */
__u32 blk_npg; /* # of pages */
__u32 blk_flags; /* reserved flags */
}
WIRE_ATTR;
struct test_bulk_req_v1 {
__u16 blk_opc; /* bulk operation code */
__u16 blk_flags; /* data check flags */
__u32 blk_len; /* data length */
__u32 blk_offset; /* offset */
}
WIRE_ATTR;
struct test_ping_req {
__u32 png_size; /* size of ping message */
__u32 png_flags; /* reserved flags */
}
WIRE_ATTR;
struct srpc_test_reqst {
__u64 tsr_rpyid; /* reply buffer matchbits */
__u64 tsr_bulkid; /* bulk buffer matchbits */
struct lst_sid tsr_sid; /* session id */
struct lst_bid tsr_bid; /* batch id */
__u32 tsr_service; /* test type: bulk|ping|... */
__u32 tsr_loop; /* test client loop count or
* # server buffers needed
*/
__u32 tsr_concur; /* concurrency of test */
__u8 tsr_is_client; /* is test client or not */
__u8 tsr_stop_onerr; /* stop on error */
__u32 tsr_ndest; /* # of dest nodes */
union {
struct test_ping_req ping;
struct test_bulk_req bulk_v0;
struct test_bulk_req_v1 bulk_v1;
}
tsr_u;
}
WIRE_ATTR;
struct srpc_test_reply {
__u32 tsr_status; /* returned code */
struct lst_sid tsr_sid;
}
WIRE_ATTR;
/* TEST RPCs */
struct srpc_ping_reqst {
__u64 pnr_rpyid;
__u32 pnr_magic;
__u32 pnr_seq;
__u64 pnr_time_sec;
__u64 pnr_time_usec;
}
WIRE_ATTR;
struct srpc_ping_reply {
__u32 pnr_status;
__u32 pnr_magic;
__u32 pnr_seq;
}
WIRE_ATTR;
struct srpc_brw_reqst {
__u64 brw_rpyid; /* reply buffer matchbits */
__u64 brw_bulkid; /* bulk buffer matchbits */
__u32 brw_rw; /* read or write */
__u32 brw_len; /* bulk data len */
__u32 brw_flags; /* bulk data patterns */
}
WIRE_ATTR;
/* bulk r/w request */
struct srpc_brw_reply {
__u32 brw_status;
}
WIRE_ATTR;
/* bulk r/w reply */
#define SRPC_MSG_MAGIC 0xeeb0f00d
#define SRPC_MSG_VERSION 1
struct srpc_msg {
__u32 msg_magic; /* magic number */
__u32 msg_version; /* message version number */
__u32 msg_type; /* type of message body: srpc_msg_type */
__u32 msg_reserved0;
__u32 msg_reserved1;
__u32 msg_ses_feats; /* test session features */
union {
struct srpc_generic_reqst reqst;
struct srpc_generic_reply reply;
struct srpc_mksn_reqst mksn_reqst;
struct srpc_mksn_reply mksn_reply;
struct srpc_rmsn_reqst rmsn_reqst;
struct srpc_rmsn_reply rmsn_reply;
struct srpc_debug_reqst dbg_reqst;
struct srpc_debug_reply dbg_reply;
struct srpc_batch_reqst bat_reqst;
struct srpc_batch_reply bat_reply;
struct srpc_stat_reqst stat_reqst;
struct srpc_stat_reply stat_reply;
struct srpc_test_reqst tes_reqst;
struct srpc_test_reply tes_reply;
struct srpc_join_reqst join_reqst;
struct srpc_join_reply join_reply;
struct srpc_ping_reqst ping_reqst;
struct srpc_ping_reply ping_reply;
struct srpc_brw_reqst brw_reqst;
struct srpc_brw_reply brw_reply;
}
msg_body;
}
WIRE_ATTR;
static inline void
srpc_unpack_msg_hdr(struct srpc_msg *msg)
{
if (msg->msg_magic == SRPC_MSG_MAGIC)
return; /* no flipping needed */
/*
* We do not swap the magic number here as it is needed to
* determine whether the body needs to be swapped.
*/
/* __swab32s(&msg->msg_magic); */
__swab32s(&msg->msg_type);
__swab32s(&msg->msg_version);
__swab32s(&msg->msg_ses_feats);
__swab32s(&msg->msg_reserved0);
__swab32s(&msg->msg_reserved1);
}
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#endif /* __SELFTEST_RPC_H__ */
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