f0ed4418d4
Also removes remnants of iox (readx/writex) which previously used trailers, but no longer exist. Signed-off-by: Martin Brandenburg <martin@omnibond.com> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
134 lines
2.7 KiB
C
134 lines
2.7 KiB
C
/*
|
|
* (C) 2001 Clemson University and The University of Chicago
|
|
*
|
|
* See COPYING in top-level directory.
|
|
*/
|
|
|
|
/*
|
|
* Definitions of downcalls used in Linux kernel module.
|
|
*/
|
|
|
|
#ifndef __DOWNCALL_H
|
|
#define __DOWNCALL_H
|
|
|
|
/*
|
|
* Sanitized the device-client core interaction
|
|
* for clean 32-64 bit usage
|
|
*/
|
|
struct pvfs2_io_response {
|
|
__s64 amt_complete;
|
|
};
|
|
|
|
struct pvfs2_lookup_response {
|
|
struct pvfs2_object_kref refn;
|
|
};
|
|
|
|
struct pvfs2_create_response {
|
|
struct pvfs2_object_kref refn;
|
|
};
|
|
|
|
struct pvfs2_symlink_response {
|
|
struct pvfs2_object_kref refn;
|
|
};
|
|
|
|
struct pvfs2_getattr_response {
|
|
struct PVFS_sys_attr_s attributes;
|
|
char link_target[PVFS2_NAME_LEN];
|
|
};
|
|
|
|
struct pvfs2_mkdir_response {
|
|
struct pvfs2_object_kref refn;
|
|
};
|
|
|
|
/*
|
|
* duplication of some system interface structures so that I don't have
|
|
* to allocate extra memory
|
|
*/
|
|
struct pvfs2_dirent {
|
|
char *d_name;
|
|
int d_length;
|
|
struct pvfs2_khandle khandle;
|
|
};
|
|
|
|
struct pvfs2_statfs_response {
|
|
__s64 block_size;
|
|
__s64 blocks_total;
|
|
__s64 blocks_avail;
|
|
__s64 files_total;
|
|
__s64 files_avail;
|
|
};
|
|
|
|
struct pvfs2_fs_mount_response {
|
|
__s32 fs_id;
|
|
__s32 id;
|
|
struct pvfs2_khandle root_khandle;
|
|
};
|
|
|
|
/* the getxattr response is the attribute value */
|
|
struct pvfs2_getxattr_response {
|
|
__s32 val_sz;
|
|
__s32 __pad1;
|
|
char val[PVFS_MAX_XATTR_VALUELEN];
|
|
};
|
|
|
|
/* the listxattr response is an array of attribute names */
|
|
struct pvfs2_listxattr_response {
|
|
__s32 returned_count;
|
|
__s32 __pad1;
|
|
__u64 token;
|
|
char key[PVFS_MAX_XATTR_LISTLEN * PVFS_MAX_XATTR_NAMELEN];
|
|
__s32 keylen;
|
|
__s32 __pad2;
|
|
__s32 lengths[PVFS_MAX_XATTR_LISTLEN];
|
|
};
|
|
|
|
struct pvfs2_param_response {
|
|
__s64 value;
|
|
};
|
|
|
|
#define PERF_COUNT_BUF_SIZE 4096
|
|
struct pvfs2_perf_count_response {
|
|
char buffer[PERF_COUNT_BUF_SIZE];
|
|
};
|
|
|
|
#define FS_KEY_BUF_SIZE 4096
|
|
struct pvfs2_fs_key_response {
|
|
__s32 fs_keylen;
|
|
__s32 __pad1;
|
|
char fs_key[FS_KEY_BUF_SIZE];
|
|
};
|
|
|
|
struct pvfs2_downcall_s {
|
|
__s32 type;
|
|
__s32 status;
|
|
/* currently trailer is used only by readdir */
|
|
__s64 trailer_size;
|
|
char *trailer_buf;
|
|
|
|
union {
|
|
struct pvfs2_io_response io;
|
|
struct pvfs2_lookup_response lookup;
|
|
struct pvfs2_create_response create;
|
|
struct pvfs2_symlink_response sym;
|
|
struct pvfs2_getattr_response getattr;
|
|
struct pvfs2_mkdir_response mkdir;
|
|
struct pvfs2_statfs_response statfs;
|
|
struct pvfs2_fs_mount_response fs_mount;
|
|
struct pvfs2_getxattr_response getxattr;
|
|
struct pvfs2_listxattr_response listxattr;
|
|
struct pvfs2_param_response param;
|
|
struct pvfs2_perf_count_response perf_count;
|
|
struct pvfs2_fs_key_response fs_key;
|
|
} resp;
|
|
};
|
|
|
|
struct pvfs2_readdir_response_s {
|
|
__u64 token;
|
|
__u64 directory_version;
|
|
__u32 __pad2;
|
|
__u32 pvfs_dirent_outcount;
|
|
struct pvfs2_dirent *dirent_array;
|
|
};
|
|
|
|
#endif /* __DOWNCALL_H */
|