2 * (C) 2001 Clemson University and The University of Chicago
4 * See COPYING in top-level directory.
8 * Definitions of downcalls used in Linux kernel module.
15 * Sanitized the device-client core interaction
16 * for clean 32-64 bit usage
18 struct pvfs2_io_response {
22 struct pvfs2_iox_response {
26 struct pvfs2_lookup_response {
27 struct pvfs2_object_kref refn;
30 struct pvfs2_create_response {
31 struct pvfs2_object_kref refn;
34 struct pvfs2_symlink_response {
35 struct pvfs2_object_kref refn;
38 struct pvfs2_getattr_response {
39 struct PVFS_sys_attr_s attributes;
40 char link_target[PVFS2_NAME_LEN];
43 struct pvfs2_mkdir_response {
44 struct pvfs2_object_kref refn;
48 * duplication of some system interface structures so that I don't have
49 * to allocate extra memory
54 struct pvfs2_khandle khandle;
57 struct pvfs2_statfs_response {
65 struct pvfs2_fs_mount_response {
68 struct pvfs2_khandle root_khandle;
71 /* the getxattr response is the attribute value */
72 struct pvfs2_getxattr_response {
75 char val[PVFS_MAX_XATTR_VALUELEN];
78 /* the listxattr response is an array of attribute names */
79 struct pvfs2_listxattr_response {
83 char key[PVFS_MAX_XATTR_LISTLEN * PVFS_MAX_XATTR_NAMELEN];
86 __s32 lengths[PVFS_MAX_XATTR_LISTLEN];
89 struct pvfs2_param_response {
93 #define PERF_COUNT_BUF_SIZE 4096
94 struct pvfs2_perf_count_response {
95 char buffer[PERF_COUNT_BUF_SIZE];
98 #define FS_KEY_BUF_SIZE 4096
99 struct pvfs2_fs_key_response {
102 char fs_key[FS_KEY_BUF_SIZE];
105 struct pvfs2_downcall_s {
108 /* currently trailer is used only by readdir */
113 struct pvfs2_io_response io;
114 struct pvfs2_iox_response iox;
115 struct pvfs2_lookup_response lookup;
116 struct pvfs2_create_response create;
117 struct pvfs2_symlink_response sym;
118 struct pvfs2_getattr_response getattr;
119 struct pvfs2_mkdir_response mkdir;
120 struct pvfs2_statfs_response statfs;
121 struct pvfs2_fs_mount_response fs_mount;
122 struct pvfs2_getxattr_response getxattr;
123 struct pvfs2_listxattr_response listxattr;
124 struct pvfs2_param_response param;
125 struct pvfs2_perf_count_response perf_count;
126 struct pvfs2_fs_key_response fs_key;
130 struct pvfs2_readdir_response_s {
132 __u64 directory_version;
134 __u32 pvfs_dirent_outcount;
135 struct pvfs2_dirent *dirent_array;
138 #endif /* __DOWNCALL_H */