138 lines
2.9 KiB
C
138 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* (C) 2001 Clemson University and The University of Chicago
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*
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* See COPYING in top-level directory.
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*/
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/*
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* Definitions of downcalls used in Linux kernel module.
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*/
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#ifndef __DOWNCALL_H
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#define __DOWNCALL_H
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/*
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* Sanitized the device-client core interaction
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* for clean 32-64 bit usage
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*/
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struct orangefs_io_response {
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__s64 amt_complete;
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};
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struct orangefs_lookup_response {
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struct orangefs_object_kref refn;
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};
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struct orangefs_create_response {
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struct orangefs_object_kref refn;
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};
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struct orangefs_symlink_response {
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struct orangefs_object_kref refn;
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};
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struct orangefs_getattr_response {
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struct ORANGEFS_sys_attr_s attributes;
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char link_target[ORANGEFS_NAME_MAX];
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};
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struct orangefs_mkdir_response {
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struct orangefs_object_kref refn;
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};
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struct orangefs_statfs_response {
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__s64 block_size;
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__s64 blocks_total;
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__s64 blocks_avail;
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__s64 files_total;
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__s64 files_avail;
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};
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struct orangefs_fs_mount_response {
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__s32 fs_id;
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__s32 id;
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struct orangefs_khandle root_khandle;
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};
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/* the getxattr response is the attribute value */
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struct orangefs_getxattr_response {
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__s32 val_sz;
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__s32 __pad1;
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char val[ORANGEFS_MAX_XATTR_VALUELEN];
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};
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/* the listxattr response is an array of attribute names */
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struct orangefs_listxattr_response {
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__s32 returned_count;
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__s32 __pad1;
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__u64 token;
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char key[ORANGEFS_MAX_XATTR_LISTLEN * ORANGEFS_MAX_XATTR_NAMELEN];
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__s32 keylen;
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__s32 __pad2;
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__s32 lengths[ORANGEFS_MAX_XATTR_LISTLEN];
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};
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struct orangefs_param_response {
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union {
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__s64 value64;
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__s32 value32[2];
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} u;
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};
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#define PERF_COUNT_BUF_SIZE 4096
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struct orangefs_perf_count_response {
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char buffer[PERF_COUNT_BUF_SIZE];
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};
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#define FS_KEY_BUF_SIZE 4096
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struct orangefs_fs_key_response {
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__s32 fs_keylen;
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__s32 __pad1;
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char fs_key[FS_KEY_BUF_SIZE];
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};
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/* 2.9.6 */
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struct orangefs_features_response {
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__u64 features;
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};
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struct orangefs_downcall_s {
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__s32 type;
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__s32 status;
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/* currently trailer is used only by readdir */
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__s64 trailer_size;
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char *trailer_buf;
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union {
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struct orangefs_io_response io;
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struct orangefs_lookup_response lookup;
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struct orangefs_create_response create;
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struct orangefs_symlink_response sym;
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struct orangefs_getattr_response getattr;
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struct orangefs_mkdir_response mkdir;
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struct orangefs_statfs_response statfs;
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struct orangefs_fs_mount_response fs_mount;
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struct orangefs_getxattr_response getxattr;
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struct orangefs_listxattr_response listxattr;
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struct orangefs_param_response param;
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struct orangefs_perf_count_response perf_count;
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struct orangefs_fs_key_response fs_key;
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struct orangefs_features_response features;
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} resp;
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};
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/*
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* The readdir response comes in the trailer. It is followed by the
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* directory entries as described in dir.c.
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*/
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struct orangefs_readdir_response_s {
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__u64 token;
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__u64 directory_version;
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__u32 __pad2;
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__u32 orangefs_dirent_outcount;
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};
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#endif /* __DOWNCALL_H */
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