1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) Intel Corporation. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef SPDK_VBDEV_ERROR_H 35 #define SPDK_VBDEV_ERROR_H 36 37 #include "spdk/stdinc.h" 38 #include "spdk/bdev.h" 39 40 enum vbdev_error_type { 41 VBDEV_IO_FAILURE = 1, 42 VBDEV_IO_PENDING, 43 }; 44 45 typedef void (*spdk_delete_error_complete)(void *cb_arg, int bdeverrno); 46 47 /** 48 * Create a vbdev on the base bdev to inject error into it. 49 * 50 * \param base_bdev_name Name of the base bdev. 51 * \return 0 on success or negative on failure. 52 */ 53 int spdk_vbdev_error_create(const char *base_bdev_name); 54 55 /** 56 * Delete vbdev used to inject errors. 57 * 58 * \param bdev Pointer to error vbdev. 59 * \param cb_fn Function to call after deletion. 60 * \param cb_arg Arguments to pass to cb_fn. 61 */ 62 void spdk_vbdev_error_delete(struct spdk_bdev *vbdev, spdk_delete_error_complete cb_fn, 63 void *cb_arg); 64 65 /** 66 * Inject error to the base bdev. Users can specify which IO type error is injected, 67 * what type of error is injected, and how many errors are injected. 68 * 69 * \param name Name of the base bdev into which error is injected. 70 * \param io_type IO type into which error is injected. 71 * \param error_num Count of injected errors 72 */ 73 int spdk_vbdev_error_inject_error(char *name, uint32_t io_type, uint32_t error_type, 74 uint32_t error_num); 75 76 #endif /* SPDK_VBDEV_ERROR_H */ 77