1 #ifndef __LINUX_SIM_OBD_H
2 #define __LINUX_SIM_OBD_H
5 #include <linux/ext2_fs.h>
7 #include <linux/obd_sim.h>
8 /* #include <linux/obd_fc.h> */
10 #define OBD_PSDEV_MAJOR 120
11 #define MAX_OBD_DEVICES 2
13 extern struct obd_device obd_dev[MAX_OBD_DEVICES];
15 struct obd_conn_info {
16 unsigned int conn_id; /* handle */
20 struct list_head typ_chain;
21 struct obd_ops *typ_ops;
26 #define OBD_ATTACHED 0x1
27 #define OBD_SET_UP 0x2
29 /* corresponds to one of the obdx */
31 struct obd_type *obd_type;
37 /* struct fc_obd fc; */
42 int (*o_attach)(struct obd_device *, int len, void *);
43 int (*o_format)(struct obd_device *, int len, void *);
44 int (*o_partition)(struct obd_device *, int len, void *);
45 int (*o_connect)(struct obd_device *, struct obd_conn_info *info);
46 int (*o_disconnect)(unsigned int conn_id);
47 int (*o_setup) (struct obd_device *dev, int len, void *data);
48 int (*o_cleanup)(struct obd_device *dev);
49 int (*o_setattr)(unsigned int conn_id, unsigned long id, struct inode *iattr);
50 int (*o_getattr)(unsigned int conn_id, unsigned long id, struct inode *iattr);
51 int (*o_statfs)(unsigned int conn_id, struct statfs *statfs);
52 int (*o_create)(struct obd_device *, int prealloc_ino, int *er);
53 int (*o_destroy)(unsigned int conn_id, unsigned long ino);
54 unsigned long (*o_read)(unsigned int conn_id, unsigned long ino, char *buf, unsigned long count, loff_t offset, int *err);
55 unsigned long (*o_read2)(unsigned int conn_id, unsigned long ino, char *buf, unsigned long count, loff_t offset, int *err);
56 unsigned long (*o_write)(unsigned int conn_id, unsigned long ino, char *buf, unsigned long count, loff_t offset, int *err);
57 int (*o_brw)(int rw, int conn, int objectid, struct page *page, int create);
58 long (*o_preallocate)(unsigned int conn_id, int req, long inodes[32], int *err);
59 void (*o_cleanup_device)(int dev);
60 int (*o_get_info)(unsigned int conn_id, int keylen, void *key, int *vallen, void **val);
61 int (*o_set_info)(unsigned int conn_id, int keylen, void *key, int vallen, void *val);
64 int obd_register_type(struct obd_ops *ops, char *nm);
65 int obd_unregister_type(char *nm);
68 struct list_head cli_chain;
69 struct obd_device *cli_obd;
71 unsigned long cli_prealloc_quota;
72 struct list_head cli_prealloc_inodes;
75 struct obd_prealloc_inode {
76 struct list_head obd_prealloc_chain;
90 struct oic_prealloc_s {
92 unsigned long alloc; /* user sets it to the number of inodes requesting
93 * to be preallocated. kernel sets it to the actual number
94 * of succesfully preallocated inodes */
95 long inodes[32]; /* actual inode numbers */
104 unsigned int conn_id;
110 struct oic_partition {
116 #define OBD_IOC_CREATE _IOR ('f', 3, long)
117 #define OBD_IOC_SETUP_OBDDEV _IOW ('f', 4, long)
118 #define OBD_IOC_CLEANUP_OBDDEV _IO ('f', 5 )
119 #define OBD_IOC_DESTROY _IOW ('f', 6, long)
120 #define OBD_IOC_PREALLOCATE _IOWR('f', 7, long)
121 #define OBD_IOC_DEC_USE_COUNT _IO ('f', 8 )
122 #define OBD_IOC_SETATTR _IOW ('f', 9, long)
123 #define OBD_IOC_GETATTR _IOR ('f', 10, long)
124 #define OBD_IOC_READ _IOWR('f', 11, long)
125 #define OBD_IOC_WRITE _IOWR('f', 12, long)
126 #define OBD_IOC_CONNECT _IOR ('f', 13, long)
127 #define OBD_IOC_DISCONNECT _IOW ('f', 14, long)
128 #define OBD_IOC_STATFS _IOWR('f', 15, long)
129 #define OBD_IOC_SYNC _IOR ('f', 16, long)
130 #define OBD_IOC_READ2 _IOWR('f', 17, long)
131 #define OBD_IOC_FORMAT _IOWR('f', 18, long)
132 #define OBD_IOC_PARTITION _IOWR('f', 19, long)
133 #define OBD_IOC_ATTACH _IOWR('f', 20, long)
135 #define OBD_IOC_DEC_FS_USE_COUNT _IO ('f', 32 )
139 extern void obd_sysctl_init (void);
140 extern void obd_sysctl_clean (void);
143 #endif /* __LINUX_SIM_OBD_H */