91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
/*
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* Copyright(c) 2012-2019 Intel Corporation
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* SPDX-License-Identifier: BSD-3-Clause-Clear
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*/
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#include "cas_cache.h"
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struct {
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int cas_error;
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int std_error;
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} static cas_error_code_map[] = {
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/* OCF error mappings*/
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{ OCF_ERR_INVAL, EINVAL },
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{ OCF_ERR_AGAIN, EAGAIN },
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{ OCF_ERR_INTR, EINTR },
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{ OCF_ERR_NOT_SUPP, ENOTSUP },
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{ OCF_ERR_NO_MEM, ENOMEM },
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{ OCF_ERR_NO_LOCK, EFAULT },
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{ OCF_ERR_METADATA_VER, EBADF },
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{ OCF_ERR_NO_METADATA, ENODATA },
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{ OCF_ERR_METADATA_FOUND, EEXIST },
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{ OCF_ERR_INVAL_VOLUME_TYPE, EINVAL },
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{ OCF_ERR_UNKNOWN, EINVAL },
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{ OCF_ERR_TOO_MANY_CACHES, ENOSPC },
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{ OCF_ERR_NO_FREE_RAM, ENOMEM },
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{ OCF_ERR_START_CACHE_FAIL, EFAULT },
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{ OCF_ERR_CACHE_NOT_EXIST, ENODEV },
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{ OCF_ERR_CORE_NOT_EXIST, ENODEV },
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{ OCF_ERR_CACHE_EXIST, EEXIST },
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{ OCF_ERR_CORE_EXIST, EEXIST },
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{ OCF_ERR_TOO_MANY_CORES, ENOSPC },
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{ OCF_ERR_CORE_NOT_AVAIL, ENAVAIL },
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{ OCF_ERR_NOT_OPEN_EXC, EBUSY },
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{ OCF_ERR_CACHE_NOT_AVAIL, ENAVAIL },
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{ OCF_ERR_IO_CLASS_NOT_EXIST, ENODEV },
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{ OCF_ERR_IO, EIO },
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{ OCF_ERR_WRITE_CACHE, EIO },
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{ OCF_ERR_WRITE_CORE, EIO },
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{ OCF_ERR_DIRTY_SHUTDOWN, EFAULT },
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{ OCF_ERR_DIRTY_EXISTS, EFAULT },
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{ OCF_ERR_FLUSHING_INTERRUPTED, EINTR },
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{ OCF_ERR_CANNOT_ADD_CORE_TO_POOL, EFAULT },
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{ OCF_ERR_CACHE_IN_INCOMPLETE_STATE, ENODEV },
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{ OCF_ERR_CORE_IN_INACTIVE_STATE, ENODEV },
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{ OCF_ERR_INVALID_CACHE_MODE, EINVAL },
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{ OCF_ERR_INVALID_CACHE_LINE_SIZE, EINVAL },
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/* CAS kernel error mappings*/
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{ KCAS_ERR_ROOT, EPERM },
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{ KCAS_ERR_SYSTEM, EINVAL },
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{ KCAS_ERR_BAD_RANGE, ERANGE },
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{ KCAS_ERR_DEV_SPACE, ENOSPC },
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{ KCAS_ERR_INV_IOCTL, EINVAL },
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{ KCAS_ERR_DEV_PENDING, EBUSY },
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{ KCAS_ERR_DIRTY_EXISTS_NVME, EFAULT },
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{ KCAS_ERR_FILE_EXISTS, EEXIST },
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{ KCAS_ERR_IN_UPGRADE, EFAULT },
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{ KCAS_ERR_UNALIGNED, EINVAL },
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{ KCAS_ERR_NO_STORED_CONF, EINTR },
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{ KCAS_ERR_ROLLBACK, EFAULT },
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{ KCAS_ERR_NOT_NVME, ENODEV },
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{ KCAS_ERR_FORMAT_FAILED, EFAULT },
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{ KCAS_ERR_NVME_BAD_FORMAT, EINVAL },
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{ KCAS_ERR_CONTAINS_PART, EINVAL },
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{ KCAS_ERR_A_PART, EINVAL },
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{ KCAS_ERR_REMOVED_DIRTY, EIO },
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{ KCAS_ERR_STOPPED_DIRTY, EIO },
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};
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/*******************************************/
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/* Helper which change cas-specific error */
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/* codes to kernel generic error codes */
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/*******************************************/
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static inline int map_cas_err_to_generic(int cas_error_code)
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{
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int i;
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if (cas_error_code == 0)
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return 0; /* No Error */
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cas_error_code = abs(cas_error_code);
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for (i = 0; i < ARRAY_SIZE(cas_error_code_map); i++) {
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if (cas_error_code_map[i].cas_error == cas_error_code)
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return -cas_error_code_map[i].std_error;
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}
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return -cas_error_code;
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}
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