* this file contains all data structures used in Lustre interfaces:
* - obdo and obd_request records
* - mds_request records
+ * - ldlm data
* - ioctl's
*/
+struct lustre_msg {
+ __u32 opc;
+ __u32 xid;
+ __u32 status;
+ __u32 type;
+ __u32 connid;
+ __u32 bufcount;
+ __u32 buflens[0];
+};
+
+struct ptlreq_hdr {
+ __u32 opc;
+ __u32 xid;
+ __u32 status;
+ __u32 type;
+ __u32 connid;
+ __u32 bufcount;
+ __u32 buflens[0];
+};
+
+struct ptlrep_hdr {
+ __u32 opc;
+ __u32 xid;
+ __u32 status;
+ __u32 type;
+ __u32 connid;
+ __u32 bufcount;
+ __u32 buflens[0];
+};
/*
* OST requests: OBDO & OBD request records
#define OST_OPEN 10
#define OST_CLOSE 11
-/* packet types */
-#define OST_TYPE_REQ 1
-#define OST_TYPE_REP 2
-#define OST_TYPE_ERR 3
-
-struct ptlreq_hdr {
- __u32 opc;
- __u32 xid;
- __u32 status;
- __u32 type;
-};
-
-struct ptlrep_hdr {
- __u32 opc;
- __u32 xid;
- __u32 status;
- __u32 type;
-};
typedef uint64_t obd_id;
typedef uint64_t obd_gr;
#define OST_REQ_HAS_OA1 0x1
struct ost_req {
- __u32 connid;
- __u32 cmd;
- struct obdo oa;
- __u32 buflen1;
- __u32 buflen2;
+ __u32 connid;
+ __u32 cmd;
+ struct obdo oa;
+ __u32 buflen1;
+ __u32 buflen2;
};
struct ost_rep {
- __u32 result;
- __u32 connid;
- struct obdo oa;
- __u32 buflen1;
- __u32 buflen2;
+ __u32 result;
+ __u32 connid;
+ struct obdo oa;
+ __u32 buflen1;
+ __u32 buflen2;
};
struct obd_ioobj {
* MDS REQ RECORDS
*/
-
-#define MDS_TYPE_REQ 1
-#define MDS_TYPE_REP 2
-#define MDS_TYPE_ERR 3
-
#define MDS_GETATTR 1
#define MDS_OPEN 2
#define MDS_CLOSE 3
#define REINT_MAX 4
struct ll_fid {
- __u64 id;
- __u32 generation;
- __u32 f_type;
+ __u64 id;
+ __u32 generation;
+ __u32 f_type;
};
struct niobuf {
};
struct mds_req {
- struct ll_fid fid1;
- struct ll_fid fid2;
+ struct ll_fid fid1;
+ struct ll_fid fid2;
__u32 namelen;
__u32 tgtlen;
__u32 opcode;
__u32 valid;
- __u32 mode;
+ __u32 mode;
__u32 uid;
__u32 gid;
+ __u64 objid;
__u64 size;
__u32 mtime;
__u32 ctime;
__u32 ino;
__u32 nlink;
__u32 generation;
- __u64 objid;
};
struct mds_rep {
- struct ll_fid fid1;
- struct ll_fid fid2;
+ struct ll_fid fid1;
+ struct ll_fid fid2;
__u32 namelen;
__u32 tgtlen;
__u32 valid;
- __u32 mode;
+ __u32 mode;
__u32 uid;
__u32 gid;
+ __u64 objid;
__u64 size;
__u32 mtime;
__u32 ctime;
__u32 ino;
__u32 nlink;
__u32 generation;
- __u64 objid;
};
/* MDS update records */
struct mds_rec_setattr {
__u32 sa_reclen;
__u32 sa_opcode;
- struct ll_fid sa_fid;
- __u32 sa_valid;
- __u32 sa_mode;
- __u32 sa_uid;
- __u32 sa_gid;
- __u64 sa_size;
- __u64 sa_atime;
- __u64 sa_mtime;
- __u64 sa_ctime;
- __u32 sa_attr_flags;
+ struct ll_fid sa_fid;
+ __u32 sa_valid;
+ __u32 sa_mode;
+ __u32 sa_uid;
+ __u32 sa_gid;
+ __u64 sa_size;
+ __u64 sa_atime;
+ __u64 sa_mtime;
+ __u64 sa_ctime;
+ __u32 sa_attr_flags;
};
struct mds_rec_create {
__u32 cr_reclen;
__u32 cr_opcode;
- struct ll_fid cr_fid;
+ struct ll_fid cr_fid;
__u32 cr_uid;
__u32 cr_gid;
__u64 cr_time;
- __u32 cr_mode;
+ __u32 cr_mode;
/* overloaded: id for create, tgtlen for symlink, rdev for mknod */
- __u64 cr_id;
+ __u64 cr_id;
__u32 cr_namelen;
__u32 cr_tgtlen;
/* name here */
struct mds_rec_link {
__u32 lk_reclen;
__u32 lk_opcode;
- struct ll_fid lk_fid1;
- struct ll_fid lk_fid2;
+ struct ll_fid lk_fid1;
+ struct ll_fid lk_fid2;
__u32 lk_namelen;
};
struct mds_rec_unlink {
__u32 ul_reclen;
__u32 ul_opcode;
- struct ll_fid ul_fid1;
+ struct ll_fid ul_fid1;
+ struct ll_fid ul_fid2;
__u32 ul_namelen;
};
struct mds_rec_rename {
__u32 rn_reclen;
__u32 rn_opcode;
- struct ll_fid rn_fid1;
- struct ll_fid rn_fid2;
+ struct ll_fid rn_fid1;
+ struct ll_fid rn_fid2;
__u32 rn_namelen;
__u32 rn_tgtlen;
};
static inline void ll_inode2fid(struct ll_fid *fid, struct inode *inode)
{
- fid->id = HTON__u64((__u64)inode->i_ino);
- fid->generation = HTON__u32(inode->i_generation);
- fid->f_type = HTON__u32(inode->i_mode & S_IFMT);
+ ll_ino2fid(fid, inode->i_ino, inode->i_generation,
+ inode->i_mode & S_IFMT);
}
#endif
/*
+ * LDLM requests:
+ */
+
+/* opcodes */
+#define LDLM_ENQUEUE 1
+#define LDLM_CONVERT 2
+#define LDLM_CANCEL 3
+#define LDLM_CALLBACK 4
+
+#define RES_NAME_SIZE 3
+#define RES_VERSION_SIZE 4
+
+/* lock types */
+typedef enum {
+ LCK_EX = 1,
+ LCK_PW,
+ LCK_PR,
+ LCK_CW,
+ LCK_CR,
+ LCK_NL
+} ldlm_mode_t;
+
+struct ldlm_handle {
+ __u64 addr;
+ __u64 cookie;
+};
+
+struct ldlm_request {
+ __u32 ns_id;
+ __u64 res_id[RES_NAME_SIZE];
+ __u32 flags;
+ struct ldlm_handle parent_res_handle;
+ struct ldlm_handle parent_lock_handle;
+ ldlm_mode_t mode;
+};
+
+struct ldlm_reply {
+ struct ldlm_handle lock_handle;
+};
+
+/*
* OBD IOCTLS
*/
#define OBD_IOCTL_VERSION 0x00010001
struct obd_ioctl_data {
- uint32_t ioc_len;
- uint32_t ioc_version;
+ uint32_t ioc_len;
+ uint32_t ioc_version;
uint32_t ioc_conn1;
uint32_t ioc_conn2;
- struct obdo ioc_obdo1;
- struct obdo ioc_obdo2;
+ struct obdo ioc_obdo1;
+ struct obdo ioc_obdo2;
obd_size ioc_count;
obd_off ioc_offset;
- uint32_t ioc_dev;
+ uint32_t ioc_dev;
- /* buffers the kernel will treat as user pointers */
- uint32_t ioc_plen1;
- char *ioc_pbuf1;
- uint32_t ioc_plen2;
- char *ioc_pbuf2;
+ /* buffers the kernel will treat as user pointers */
+ uint32_t ioc_plen1;
+ char *ioc_pbuf1;
+ uint32_t ioc_plen2;
+ char *ioc_pbuf2;
- /* two inline buffers */
- uint32_t ioc_inllen1;
- char *ioc_inlbuf1;
- uint32_t ioc_inllen2;
- char *ioc_inlbuf2;
+ /* two inline buffers */
+ uint32_t ioc_inllen1;
+ char *ioc_inlbuf1;
+ uint32_t ioc_inllen2;
+ char *ioc_inlbuf2;
- char ioc_bulk[0];
+ char ioc_bulk[0];
};
struct obd_ioctl_hdr {
- uint32_t ioc_len;
- uint32_t ioc_version;
+ uint32_t ioc_len;
+ uint32_t ioc_version;
};
static inline int obd_ioctl_packlen(struct obd_ioctl_data *data)
{
- int len = sizeof(struct obd_ioctl_data);
- len += size_round(data->ioc_inllen1);
- len += size_round(data->ioc_inllen2);
- return len;
+ int len = sizeof(struct obd_ioctl_data);
+ len += size_round(data->ioc_inllen1);
+ len += size_round(data->ioc_inllen2);
+ return len;
}
static inline int obd_ioctl_is_invalid(struct obd_ioctl_data *data)
{
- if (data->ioc_len > (1<<30)) {
- printk("OBD ioctl: ioc_len larger than 1<<30\n");
- return 1;
- }
- if (data->ioc_inllen1 > (1<<30)) {
- printk("OBD ioctl: ioc_inllen1 larger than 1<<30\n");
- return 1;
- }
- if (data->ioc_inllen2 > (1<<30)) {
- printk("OBD ioctl: ioc_inllen2 larger than 1<<30\n");
- return 1;
- }
- if (data->ioc_inlbuf1 && !data->ioc_inllen1) {
- printk("OBD ioctl: inlbuf1 pointer but 0 length\n");
- return 1;
- }
- if (data->ioc_inlbuf2 && !data->ioc_inllen2) {
- printk("OBD ioctl: inlbuf2 pointer but 0 length\n");
- return 1;
- }
- if (data->ioc_pbuf1 && !data->ioc_plen1) {
- printk("OBD ioctl: pbuf1 pointer but 0 length\n");
- return 1;
- }
- if (data->ioc_pbuf2 && !data->ioc_plen2) {
- printk("OBD ioctl: pbuf2 pointer but 0 length\n");
- return 1;
- }
+ if (data->ioc_len > (1<<30)) {
+ printk("OBD ioctl: ioc_len larger than 1<<30\n");
+ return 1;
+ }
+ if (data->ioc_inllen1 > (1<<30)) {
+ printk("OBD ioctl: ioc_inllen1 larger than 1<<30\n");
+ return 1;
+ }
+ if (data->ioc_inllen2 > (1<<30)) {
+ printk("OBD ioctl: ioc_inllen2 larger than 1<<30\n");
+ return 1;
+ }
+ if (data->ioc_inlbuf1 && !data->ioc_inllen1) {
+ printk("OBD ioctl: inlbuf1 pointer but 0 length\n");
+ return 1;
+ }
+ if (data->ioc_inlbuf2 && !data->ioc_inllen2) {
+ printk("OBD ioctl: inlbuf2 pointer but 0 length\n");
+ return 1;
+ }
+ if (data->ioc_pbuf1 && !data->ioc_plen1) {
+ printk("OBD ioctl: pbuf1 pointer but 0 length\n");
+ return 1;
+ }
+ if (data->ioc_pbuf2 && !data->ioc_plen2) {
+ printk("OBD ioctl: pbuf2 pointer but 0 length\n");
+ return 1;
+ }
/*
if (data->ioc_inllen1 && !data->ioc_inlbuf1) {
printk("OBD ioctl: inllen1 set but NULL pointer\n");
return 1;
}
*/
- if (obd_ioctl_packlen(data) != data->ioc_len ) {
- printk("OBD ioctl: packlen exceeds ioc_len\n");
- return 1;
- }
- if (data->ioc_inllen1 &&
- data->ioc_bulk[data->ioc_inllen1 - 1] != '\0') {
- printk("OBD ioctl: inlbuf1 not 0 terminated\n");
- return 1;
- }
- if (data->ioc_inllen2 &&
- data->ioc_bulk[size_round(data->ioc_inllen1) + data->ioc_inllen2 - 1] != '\0') {
- printk("OBD ioctl: inlbuf2 not 0 terminated\n");
- return 1;
- }
- return 0;
+ if (obd_ioctl_packlen(data) != data->ioc_len ) {
+ printk("OBD ioctl: packlen exceeds ioc_len\n");
+ return 1;
+ }
+ if (data->ioc_inllen1 &&
+ data->ioc_bulk[data->ioc_inllen1 - 1] != '\0') {
+ printk("OBD ioctl: inlbuf1 not 0 terminated\n");
+ return 1;
+ }
+ if (data->ioc_inllen2 &&
+ data->ioc_bulk[size_round(data->ioc_inllen1) + data->ioc_inllen2 - 1] != '\0') {
+ printk("OBD ioctl: inlbuf2 not 0 terminated\n");
+ return 1;
+ }
+ return 0;
}
#ifndef __KERNEL__
static inline int obd_ioctl_pack(struct obd_ioctl_data *data, char **pbuf,
int max)
{
- char *ptr;
- struct obd_ioctl_data *overlay;
- data->ioc_len = obd_ioctl_packlen(data);
- data->ioc_version = OBD_IOCTL_VERSION;
-
- if (*pbuf && obd_ioctl_packlen(data) > max)
- return 1;
- if (*pbuf == NULL) {
- *pbuf = malloc(data->ioc_len);
- }
- if (!*pbuf)
- return 1;
- overlay = (struct obd_ioctl_data *)*pbuf;
- memcpy(*pbuf, data, sizeof(*data));
-
- ptr = overlay->ioc_bulk;
- if (data->ioc_inlbuf1)
- LOGL(data->ioc_inlbuf1, data->ioc_inllen1, ptr);
- if (data->ioc_inlbuf2)
- LOGL(data->ioc_inlbuf2, data->ioc_inllen2, ptr);
- if (obd_ioctl_is_invalid(overlay))
- return 1;
-
- return 0;
+ char *ptr;
+ struct obd_ioctl_data *overlay;
+ data->ioc_len = obd_ioctl_packlen(data);
+ data->ioc_version = OBD_IOCTL_VERSION;
+
+ if (*pbuf && obd_ioctl_packlen(data) > max)
+ return 1;
+ if (*pbuf == NULL) {
+ *pbuf = malloc(data->ioc_len);
+ }
+ if (!*pbuf)
+ return 1;
+ overlay = (struct obd_ioctl_data *)*pbuf;
+ memcpy(*pbuf, data, sizeof(*data));
+
+ ptr = overlay->ioc_bulk;
+ if (data->ioc_inlbuf1)
+ LOGL(data->ioc_inlbuf1, data->ioc_inllen1, ptr);
+ if (data->ioc_inlbuf2)
+ LOGL(data->ioc_inlbuf2, data->ioc_inllen2, ptr);
+ if (obd_ioctl_is_invalid(overlay))
+ return 1;
+
+ return 0;
}
#else
/* buffer MUST be at least the size of obd_ioctl_hdr */
static inline int obd_ioctl_getdata(char *buf, char *end, void *arg)
{
- struct obd_ioctl_hdr *hdr;
- struct obd_ioctl_data *data;
- int err;
- ENTRY;
-
- hdr = (struct obd_ioctl_hdr *)buf;
- data = (struct obd_ioctl_data *)buf;
-
- err = copy_from_user(buf, (void *)arg, sizeof(*hdr));
- if ( err ) {
- EXIT;
- return err;
- }
-
- if (hdr->ioc_version != OBD_IOCTL_VERSION) {
- printk("OBD: version mismatch kernel vs application\n");
- return -EINVAL;
- }
-
- if (hdr->ioc_len + buf >= end) {
- printk("OBD: user buffer exceeds kernel buffer\n");
- return -EINVAL;
- }
-
-
- if (hdr->ioc_len < sizeof(struct obd_ioctl_data)) {
- printk("OBD: user buffer too small for ioctl\n");
- return -EINVAL;
- }
-
- err = copy_from_user(buf, (void *)arg, hdr->ioc_len);
- if ( err ) {
- EXIT;
- return err;
- }
-
- if (obd_ioctl_is_invalid(data)) {
- printk("OBD: ioctl not correctly formatted\n");
- return -EINVAL;
- }
-
- if (data->ioc_inllen1) {
- data->ioc_inlbuf1 = &data->ioc_bulk[0];
- }
-
- if (data->ioc_inllen2) {
- data->ioc_inlbuf2 = &data->ioc_bulk[0] + size_round(data->ioc_inllen1);
- }
-
- EXIT;
- return 0;
+ struct obd_ioctl_hdr *hdr;
+ struct obd_ioctl_data *data;
+ int err;
+ ENTRY;
+
+ hdr = (struct obd_ioctl_hdr *)buf;
+ data = (struct obd_ioctl_data *)buf;
+
+ err = copy_from_user(buf, (void *)arg, sizeof(*hdr));
+ if ( err ) {
+ EXIT;
+ return err;
+ }
+
+ if (hdr->ioc_version != OBD_IOCTL_VERSION) {
+ printk("OBD: version mismatch kernel vs application\n");
+ return -EINVAL;
+ }
+
+ if (hdr->ioc_len + buf >= end) {
+ printk("OBD: user buffer exceeds kernel buffer\n");
+ return -EINVAL;
+ }
+
+
+ if (hdr->ioc_len < sizeof(struct obd_ioctl_data)) {
+ printk("OBD: user buffer too small for ioctl\n");
+ return -EINVAL;
+ }
+
+ err = copy_from_user(buf, (void *)arg, hdr->ioc_len);
+ if ( err ) {
+ EXIT;
+ return err;
+ }
+
+ if (obd_ioctl_is_invalid(data)) {
+ printk("OBD: ioctl not correctly formatted\n");
+ return -EINVAL;
+ }
+
+ if (data->ioc_inllen1) {
+ data->ioc_inlbuf1 = &data->ioc_bulk[0];
+ }
+
+ if (data->ioc_inllen2) {
+ data->ioc_inlbuf2 = &data->ioc_bulk[0] + size_round(data->ioc_inllen1);
+ }
+
+ EXIT;
+ return 0;
}
#endif
union ptl_rep {
struct mds_rep *mds;
struct ost_rep *ost;
+ struct lustre_msg *lustre;
};
union ptl_req {
struct mds_req *mds;
struct ost_req *ost;
+ struct lustre_msg *lustre;
};
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff