-#ifndef __LINUX_SIM_OBD_H
-#define __LINUX_SIM_OBD_H
+#ifndef __LINUX_CLASS_OBD_H
+#define __LINUX_CLASS_OBD_H
#include <linux/fs.h>
#include <linux/ext2_fs.h>
+#include <linux/time.h>
+#include <linux/obd.h>
-#include <linux/obd_sim.h>
+#include <linux/obd_ext2.h>
+#include <linux/obd_snap.h>
/* #include <linux/obd_fc.h> */
+#include <linux/obd_raid1.h>
+#include <linux/obd_rpc.h>
-#define OBD_PSDEV_MAJOR 120
-#define MAX_OBD_DEVICES 2
-extern struct obd_device obd_dev[MAX_OBD_DEVICES];
+#define OBD_PSDEV_MAJOR 186
+#define MAX_OBD_DEVICES 8
+#define MAX_MULTI 16
+
+typedef uint64_t obd_id;
+typedef uint64_t obd_time;
+typedef uint64_t obd_size;
+typedef uint64_t obd_off;
+typedef uint64_t obd_blocks;
+typedef uint32_t obd_blksize;
+typedef uint32_t obd_mode;
+typedef uint32_t obd_uid;
+typedef uint32_t obd_gid;
+typedef uint32_t obd_flag;
+typedef uint32_t obd_count;
+
+#define OBD_INLINESZ 60
+#define OBD_OBDMDSZ 60
+
+#define OBD_FL_INLINEDATA (1UL)
+#define OBD_FL_OBDMDEXISTS (1UL << 1)
-struct obd_conn_info {
- unsigned int conn_id; /* handle */
- unsigned long conn_ino; /* root inode number */
- /* XXX do we really need this */
- unsigned long conn_blocksize;
- unsigned char conn_blocksize_bits;
+/* Note: 64-bit types are 64-bit aligned in structure */
+struct obdo {
+ obd_id o_id;
+ obd_time o_atime;
+ obd_time o_mtime;
+ obd_time o_ctime;
+ obd_size o_size;
+ obd_blocks o_blocks;
+ obd_blksize o_blksize;
+ obd_mode o_mode;
+ obd_uid o_uid;
+ obd_gid o_gid;
+ obd_flag o_flags;
+ obd_flag o_obdflags;
+ obd_count o_nlink;
+ obd_flag o_valid; /* hot fields in this obdo */
+ char *o_inline;
+ char *o_obdmd;
+ struct list_head o_list;
+ struct obd_ops *o_op;
};
-struct obd_type {
- struct list_head typ_chain;
- struct obd_ops *typ_ops;
- char *typ_name;
- int typ_refcnt;
+
+static inline int obdo_has_inline(struct obdo *obdo)
+{
+ return obdo->o_obdflags & OBD_FL_INLINEDATA;
+};
+
+static inline int obdo_has_obdmd(struct obdo *obdo)
+{
+ return obdo->o_obdflags & OBD_FL_OBDMDEXISTS;
+};
+
+
+extern struct obd_device obd_dev[MAX_OBD_DEVICES];
+
+
+
+
+
+#define OBD_ATTACHED 0x1
+#define OBD_SET_UP 0x2
+
+struct obd_conn {
+ struct obd_device *oc_dev;
+ unsigned int oc_id;
};
/* corresponds to one of the obdx */
struct obd_device {
struct obd_type *obd_type;
+ int obd_minor;
+ int obd_flags;
int obd_refcnt;
+ int obd_multi_count;
+ struct obd_conn obd_multi_conn[MAX_MULTI];
+ unsigned int obd_gen_last_id;
+ unsigned long obd_gen_prealloc_quota;
+ struct list_head obd_gen_clients;
union {
- struct sim_obd sim;
+ struct ext2_obd ext2;
+ struct raid1_obd raid1;
+ struct snap_obd snap;
+ struct rpc_obd rpc;
/* struct fc_obd fc; */
} u;
};
-#define OBD_FL_SETUP 0x1
-
struct obd_ops {
- int (*o_format)(void);
- int (*o_partition)(int partition, unsigned int size);
- int (*o_connect)(int minor, struct obd_conn_info *info);
- int (*o_disconnect)(unsigned int conn_id);
- int (*o_setup) (struct obd_device *dev, void *data);
+ int (*o_iocontrol)(int cmd, struct obd_conn *, int len, void *karg, void *uarg);
+ int (*o_get_info)(struct obd_conn *, obd_count keylen, void *key, obd_count *vallen, void **val);
+ int (*o_set_info)(struct obd_conn *, obd_count keylen, void *key, obd_count vallen, void *val);
+ int (*o_attach)(struct obd_device *, obd_count len, void *);
+ int (*o_detach)(struct obd_device *);
+ int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
int (*o_cleanup)(struct obd_device *dev);
- int (*o_setattr)(unsigned int conn_id, unsigned long id, struct iattr *iattr);
- int (*o_getattr)(unsigned int conn_id, unsigned long id, struct iattr *iattr);
- int (*o_statfs)(unsigned int conn_id, struct statfs *statfs);
- int (*o_create)(struct obd_device *, int prealloc_ino, int *er);
- int (*o_destroy)(unsigned int conn_id, unsigned long ino);
- unsigned long (*o_read)(unsigned int conn_id, unsigned long ino, char *buf, unsigned long count, loff_t offset, int *err);
- unsigned long (*o_read2)(unsigned int conn_id, unsigned long ino, char *buf, unsigned long count, loff_t offset, int *err);
- unsigned long (*o_write)(unsigned int conn_id, unsigned long ino, char *buf, unsigned long count, loff_t offset, int *err);
- int (*o_brw)(int rw, int conn, int objectid, struct page *page);
- long (*o_preallocate)(unsigned int conn_id, int req, long inodes[32], int *err);
- void (*o_cleanup_device)(int dev);
+ int (*o_connect)(struct obd_conn *conn);
+ int (*o_disconnect)(struct obd_conn *);
+ int (*o_statfs)(struct obd_conn *, struct statfs *statfs);
+ int (*o_preallocate)(struct obd_conn *, obd_count *req, obd_id *ids);
+ int (*o_create)(struct obd_conn *, struct obdo *oa);
+ int (*o_destroy)(struct obd_conn *, struct obdo *oa);
+ int (*o_setattr)(struct obd_conn *, struct obdo *oa);
+ int (*o_getattr)(struct obd_conn *, struct obdo *oa);
+ int (*o_read)(struct obd_conn *, struct obdo *oa, char *buf, obd_size *count, obd_off offset);
+ int (*o_write)(struct obd_conn *, struct obdo *oa, char *buf, obd_size *count, obd_off offset);
+ int (*o_brw)(int rw, struct obd_conn * conn, struct obdo *oa, char *buf, obd_size *count, obd_off offset, obd_flag flags);
+ int (*o_punch)(struct obd_conn *, struct obdo *tgt, obd_size count, obd_off offset);
+ int (*o_migrate)(struct obd_conn *, struct obdo *dst, struct obdo *src, obd_size count, obd_off offset);
+ int (*o_copy)(struct obd_conn *dstconn, struct obdo *dst, struct obd_conn *srconn, struct obdo *src, obd_size count, obd_off offset);
+ int (*o_iterate)(struct obd_conn *, int (*)(objid, void *), obd_id start, void *);
+
};
-int obd_register_type(struct obd_ops *ops, char *nm);
+#define OBT(dev) dev->obd_type->typ_ops
+#define OBP(dev,op) dev->obd_type->typ_ops->o_ ## op
+int obd_register_type(struct obd_ops *ops, char *nm);
+int obd_unregister_type(char *nm);
struct obd_client {
struct list_head cli_chain;
- kdev_t minor;
+ struct obd_device *cli_obd;
unsigned int cli_id;
unsigned long cli_prealloc_quota;
struct list_head cli_prealloc_inodes;
};
+
struct obd_prealloc_inode {
struct list_head obd_prealloc_chain;
unsigned long inode;
};
+/* generic operations shared by various OBD types */
+int gen_multi_setup(struct obd_device *obddev, uint32_t len, void *data);
+int gen_multi_cleanup(struct obd_device *obddev);
+int gen_multi_attach(struct obd_device *obddev, uint32_t len, void *data);
+int gen_multi_detach(struct obd_device *obddev);
+int gen_connect (struct obd_conn *conn);
+int gen_disconnect(struct obd_conn *conn);
+struct obd_client *gen_client(struct obd_conn *);
+int gen_cleanup(struct obd_device *obddev);
+int gen_copy_data(struct obd_conn *dst_conn, struct obdo *dst,
+ struct obd_conn *src_conn, struct obdo *src);
+
+
+
/*
* ioctl commands
*/
+struct oic_generic {
+ int att_connid;
+ int att_typelen;
+ void *att_type;
+ int att_datalen;
+ void *att_data;
+};
+
struct oic_prealloc_s {
unsigned long cli_id;
unsigned long alloc; /* user sets it to the number of inodes requesting
* of succesfully preallocated inodes */
long inodes[32]; /* actual inode numbers */
};
-struct oic_attr_s {
+
+struct oic_create_s {
unsigned int conn_id;
- unsigned long inode;
+ unsigned long prealloc;
+};
+struct oic_attr_s {
+ unsigned int conn_id;
+ unsigned long ino;
struct iattr iattr;
};
+
+struct ioc_mv_s {
+ unsigned int conn_id;
+ objid src;
+ objid dst;
+};
+
struct oic_rw_s {
unsigned int conn_id;
- unsigned long inode;
+ unsigned long id;
char * buf;
unsigned long count;
loff_t offset;
};
+
struct oic_partition {
int partition;
unsigned int size;
#define OBD_IOC_CREATE _IOR ('f', 3, long)
-#define OBD_IOC_SETUP_OBDDEV _IOW ('f', 4, long)
-#define OBD_IOC_CLEANUP_OBDDEV _IO ('f', 5 )
+#define OBD_IOC_SETUP _IOW ('f', 4, long)
+#define OBD_IOC_CLEANUP _IO ('f', 5 )
#define OBD_IOC_DESTROY _IOW ('f', 6, long)
#define OBD_IOC_PREALLOCATE _IOWR('f', 7, long)
#define OBD_IOC_DEC_USE_COUNT _IO ('f', 8 )
#define OBD_IOC_STATFS _IOWR('f', 15, long)
#define OBD_IOC_SYNC _IOR ('f', 16, long)
#define OBD_IOC_READ2 _IOWR('f', 17, long)
-#define OBD_IOC_FORMAT _IO('f', 17, long)
-#define OBD_IOC_READ2 _IOWR('f', 17, long)
+#define OBD_IOC_FORMAT _IOWR('f', 18, long)
+#define OBD_IOC_PARTITION _IOWR('f', 19, long)
+#define OBD_IOC_ATTACH _IOWR('f', 20, long)
+#define OBD_IOC_DETACH _IOWR('f', 21, long)
+#define OBD_IOC_COPY _IOWR('f', 22, long)
+#define OBD_IOC_MIGR _IOWR('f', 23, long)
#define OBD_IOC_DEC_FS_USE_COUNT _IO ('f', 32 )
extern void obd_sysctl_init (void);
extern void obd_sysctl_clean (void);
+#define CHKCONN(conn) do { if (!gen_client(conn)) {\
+ printk("%s %d invalid client %u\n", __FILE__, __LINE__, \
+ conn->oc_id);\
+ return -EINVAL; }} while (0)
+
+
+/* support routines */
+static __inline__ struct obdo *obd_empty_oa(void)
+{
+ struct obdo *res = NULL;
+
+ /* XXX we should probably use a slab cache here */
+ OBD_ALLOC(res, struct obdo *, sizeof(*res));
+ memset(res, 0, sizeof (*res));
+
+ return res;
+}
+
+static __inline__ void obd_free_oa(struct obdo *oa)
+{
+ if ( !oa )
+ return;
+ OBD_FREE(oa, sizeof(*oa));
+}
+
+
+
+static __inline__ struct obdo *obd_oa_fromid(struct obd_conn *conn, obd_id id)
+{
+ struct obdo *res = NULL;
+
+ OBD_ALLOC(res, struct obdo *, sizeof(*res));
+ if ( !res ) {
+ EXIT;
+ return NULL;
+ }
+ memset(res, 0, sizeof(*res));
+ res->o_id = id;
+ if (OBD(conn->oc_dev, getattr)(conn, res)) {
+ OBD_FREE(res, sizeof(*res));
+ EXIT;
+ return NULL;
+ }
+ EXIT;
+ return res;
+}
+
+#define OBD_MD_FLALL (~0UL)
+#define OBD_MD_FLID (1UL)
+#define OBD_MD_FLATIME (1UL<<1)
+#define OBD_MD_FLMTIME (1UL<<2)
+#define OBD_MD_FLCTIME (1UL<<3)
+#define OBD_MD_FLSIZE (1UL<<4)
+#define OBD_MD_FLBLOCKS (1UL<<5)
+#define OBD_MD_FLBLKSZ (1UL<<6)
+#define OBD_MD_FLMODE (1UL<<7)
+#define OBD_MD_FLUID (1UL<<8)
+#define OBD_MD_FLGID (1UL<<9)
+#define OBD_MD_FLFLAGS (1UL<<10)
+#define OBD_MD_FLOBDFLG (1UL<<11)
+#define OBD_MD_FLINLINE (1UL<<12)
+#define OBD_MD_FLOBDMD (1UL<<13)
+
+
+
+static __inline__ void obdo_cpy_md(struct obdo *dst, struct obdo *src)
+{
+ /* If the OBD_MD_NO flag is set, then we copy all EXCEPT those
+ * fields given by the flags. The default is to copy the field
+ * given by the flags.
+ */
+ if (src->o_valid & OBD_MD_NO)
+ src->o_valid = ~src->o_valid;
+
+ CDEBUG(D_INODE, "flags %x\n", src->o_valid);
+ if ( src->o_valid & OBD_MD_FLMODE )
+ dst->i_mode = src->i_mode;
+ if ( src->o_valid & OBD_MD_FLUID )
+ dst->i_uid = src->i_uid;
+ if ( src->o_valid & OBD_MD_FLGID )
+ dst->i_gid = src->i_gid;
+ if ( src->o_valid & OBD_MD_FLSIZE )
+ dst->i_size = src->i_size;
+ if ( src->o_valid & OBD_MD_FLATIME )
+ dst->i_atime = src->i_atime;
+ if ( src->o_valid & OBD_MD_FLMTIME )
+ dst->i_mtime = src->i_mtime;
+ if ( src->o_valid & OBD_MD_FLCTIME )
+ dst->i_ctime = src->i_ctime;
+ if ( src->o_valid & OBD_MD_FLFLAGS )
+ dst->i_flags = src->i_flags;
+ /* allocation of space */
+ if ( src->o_valid & OBD_MD_FLBLOCKS )
+ dst->i_blocks = src->i_blocks;
+ if ( src->o_valid & OBD_MD_FLOBDMD && src->i_blocks == 0 ) {
+ CDEBUG(D_IOCTL, "copying inline data: ino %ld\n", dst->i_ino);
+ memcpy(&dst->u.ext2_i.i_data, &src->u.ext2_i.i_data,
+ sizeof(src->u.ext2_i.i_data));
+ } else {
+ CDEBUG(D_INODE, "XXXX cpy_obdmd: ino %ld iblocks not 0!\n",
+ src->i_ino);
+ }
+}
+
+static __inline__ void obdo_cpy_from_inode(struct obdo *dst, struct inode *src)
+{
+}
+
+static __inline__ void obdo_cpy_from_oa(struct inode *dst, struct obdo *src)
+{
+}
+
+static __inline__ int obdo_cmp_md(struct obdo *dst, struct obdo *src)
+{
+ int res = 1;
+
+ if ( src->o_valid & OBD_MD_FLMODE )
+ res = (res && (dst->i_mode == src->i_mode));
+ if ( src->o_valid & OBD_MD_FLUID )
+ res = (res && (dst->i_uid == src->i_uid));
+ if ( src->o_valid & OBD_MD_FLGID )
+ res = (res && (dst->i_gid == src->i_gid));
+ if ( src->o_valid & OBD_MD_FLSIZE )
+ res = (res && (dst->i_size == src->i_size));
+ if ( src->o_valid & OBD_MD_FLATIME )
+ res = (res && (dst->i_atime == src->i_atime));
+ if ( src->o_valid & OBD_MD_FLMTIME )
+ res = (res && (dst->i_mtime == src->i_mtime));
+ if ( src->o_valid & OBD_MD_FLCTIME )
+ res = (res && (dst->i_ctime == src->i_ctime));
+ if ( src->o_valid & OBD_MD_FLFLAGS )
+ res = (res && (dst->i_flags == src->i_flags));
+ /* allocation of space */
+ if ( src->o_valid & OBD_MD_FLBLOCKS )
+ res = (res && (dst->i_blocks == src->i_blocks));
+ return res;
+}
+
-#endif /* __LINUX_SIM_OBD_H */
+#endif /* __LINUX_CLASS_OBD_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff