121 lines
3.7 KiB
C
121 lines
3.7 KiB
C
/*
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* This file is part of the ZFS Linux port.
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*
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* Copyright (c) 2008 Lawrence Livermore National Security, LLC.
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* Produced at Lawrence Livermore National Laboratory
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* Written by:
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* Brian Behlendorf <behlendorf1@llnl.gov>,
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* Herb Wartens <wartens2@llnl.gov>,
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* Jim Garlick <garlick@llnl.gov>
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* LLNL-CODE-403049
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*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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#ifndef _KPIOS_CTL_H
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#define _KPIOS_CTL_H
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/* Contains shared definitions which both the userspace
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* and kernelspace portions of kpios must agree on.
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*/
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#ifndef _KERNEL
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#include <stdint.h>
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#endif
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#define KPIOS_MAJOR 232 /* XXX - Arbitrary */
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#define KPIOS_MINORS 1
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#define KPIOS_DEV "/dev/kpios"
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#define DMU_IO 0x01
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#define DMU_WRITE 0x01
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#define DMU_READ 0x02
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#define DMU_VERIFY 0x04
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#define DMU_REMOVE 0x08
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#define DMU_FPP 0x10
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#define DMU_WRITE_ZC 0x20 /* Incompatible with DMU_VERIFY */
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#define DMU_READ_ZC 0x40 /* Incompatible with DMU_VERIFY */
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#define KPIOS_NAME_SIZE 16
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#define KPIOS_PATH_SIZE 128
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#define PHASE_PRE "pre"
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#define PHASE_POST "post"
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#define PHASE_WRITE "write"
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#define PHASE_READ "read"
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#define KPIOS_CFG_MAGIC 0x87237190U
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typedef struct kpios_cfg {
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uint32_t cfg_magic; /* Unique magic */
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int32_t cfg_cmd; /* Config command */
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int32_t cfg_arg1; /* Config command arg 1 */
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int32_t cfg_rc1; /* Config response 1 */
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} kpios_cfg_t;
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typedef struct kpios_time {
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struct timespec start;
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struct timespec stop;
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struct timespec delta;
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} kpios_time_t;
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typedef struct kpios_stats {
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kpios_time_t total_time;
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kpios_time_t cr_time;
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kpios_time_t rm_time;
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kpios_time_t wr_time;
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kpios_time_t rd_time;
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uint64_t wr_data;
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uint64_t wr_chunks;
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uint64_t rd_data;
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uint64_t rd_chunks;
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} kpios_stats_t;
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#define KPIOS_CMD_MAGIC 0x49715385U
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typedef struct kpios_cmd {
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uint32_t cmd_magic; /* Unique magic */
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uint32_t cmd_id; /* Run ID */
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char cmd_pool[KPIOS_NAME_SIZE]; /* Pool name */
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uint64_t cmd_chunk_size; /* Chunk size */
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uint32_t cmd_thread_count; /* Thread count */
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uint32_t cmd_region_count; /* Region count */
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uint64_t cmd_region_size; /* Region size */
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uint64_t cmd_offset; /* Region offset */
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uint32_t cmd_region_noise; /* Region noise */
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uint32_t cmd_chunk_noise; /* Chunk noise */
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uint32_t cmd_thread_delay; /* Thread delay */
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uint32_t cmd_flags; /* Test flags */
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char cmd_pre[KPIOS_PATH_SIZE]; /* Pre-exec hook */
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char cmd_post[KPIOS_PATH_SIZE]; /* Post-exec hook */
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char cmd_log[KPIOS_PATH_SIZE]; /* Requested log dir */
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uint64_t cmd_data_size; /* Opaque data size */
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char cmd_data_str[0]; /* Opaque data region */
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} kpios_cmd_t;
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/* Valid ioctls */
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#define KPIOS_CFG _IOWR('f', 101, long)
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#define KPIOS_CMD _IOWR('f', 102, long)
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/* Valid configuration commands */
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#define KPIOS_CFG_BUFFER_CLEAR 0x001 /* Clear text buffer */
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#define KPIOS_CFG_BUFFER_SIZE 0x002 /* Resize text buffer */
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#endif /* _KPIOS_CTL_H */
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