44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
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/*
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* Copyright (C) 2012-2014 Intel Corporation
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* Copyright (C) 2013-2014 Intel Mobile Communications GmbH
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*/
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#define MVM_DEBUGFS_READ_FILE_OPS(name) \
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static const struct file_operations iwl_dbgfs_##name##_ops = { \
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.read = iwl_dbgfs_##name##_read, \
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.open = simple_open, \
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.llseek = generic_file_llseek, \
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}
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#define MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype) \
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static ssize_t _iwl_dbgfs_##name##_write(struct file *file, \
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const char __user *user_buf, \
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size_t count, loff_t *ppos) \
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{ \
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argtype *arg = file->private_data; \
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char buf[buflen] = {}; \
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size_t buf_size = min(count, sizeof(buf) - 1); \
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\
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if (copy_from_user(buf, user_buf, buf_size)) \
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return -EFAULT; \
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\
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return iwl_dbgfs_##name##_write(arg, buf, buf_size, ppos); \
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} \
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#define _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, buflen, argtype) \
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MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype) \
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static const struct file_operations iwl_dbgfs_##name##_ops = { \
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.write = _iwl_dbgfs_##name##_write, \
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.read = iwl_dbgfs_##name##_read, \
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.open = simple_open, \
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.llseek = generic_file_llseek, \
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};
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#define _MVM_DEBUGFS_WRITE_FILE_OPS(name, buflen, argtype) \
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MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype) \
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static const struct file_operations iwl_dbgfs_##name##_ops = { \
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.write = _iwl_dbgfs_##name##_write, \
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.open = simple_open, \
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.llseek = generic_file_llseek, \
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};
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