(null)
M
Index of /FSS-OZR/root/sys/dev/char/4:65/subsystem/tty
Index of /FSS-OZR/root/sys/dev/char/4:65/subsystem/tty
0 #
uYam_J*j"Tƞ&Tţ /* SPDX-License-Identifier: GPL-2.0 */
#ifndef CEPH_MSGR_H
#define CEPH_MSGR_H
/*
* Data types for message passing layer used by Ceph.
*/
#define CEPH_MON_PORT 6789 /* default monitor port */
/*
* tcp connection banner. include a protocol version. and adjust
* whenever the wire protocol changes. try to keep this string length
* constant.
*/
#define CEPH_BANNER "ceph v027"
#define CEPH_BANNER_LEN 9
#define CEPH_BANNER_MAX_LEN 30
/*
* messenger V2 connection banner prefix.
* The full banner string should have the form: "ceph v2\n"
* the 2 bytes are the length of the remaining banner.
*/
#define CEPH_BANNER_V2 "ceph v2\n"
#define CEPH_BANNER_V2_LEN 8
#define CEPH_BANNER_V2_PREFIX_LEN (CEPH_BANNER_V2_LEN + sizeof(__le16))
/*
* messenger V2 features
*/
#define CEPH_MSGR2_INCARNATION_1 (0ull)
#define DEFINE_MSGR2_FEATURE(bit, incarnation, name) \
static const uint64_t __maybe_unused CEPH_MSGR2_FEATURE_##name = (1ULL << bit); \
static const uint64_t __maybe_unused CEPH_MSGR2_FEATUREMASK_##name = \
(1ULL << bit | CEPH_MSGR2_INCARNATION_##incarnation);
#define HAVE_MSGR2_FEATURE(x, name) \
(((x) & (CEPH_MSGR2_FEATUREMASK_##name)) == (CEPH_MSGR2_FEATUREMASK_##name))
DEFINE_MSGR2_FEATURE( 0, 1, REVISION_1) // msgr2.1
#define CEPH_MSGR2_SUPPORTED_FEATURES (CEPH_MSGR2_FEATURE_REVISION_1)
#define CEPH_MSGR2_REQUIRED_FEATURES (CEPH_MSGR2_FEATURE_REVISION_1)
/*
* Rollover-safe type and comparator for 32-bit sequence numbers.
* Comparator returns -1, 0, or 1.
*/
typedef __u32 ceph_seq_t;
static inline __s32 ceph_seq_cmp(__u32 a, __u32 b)
{
return (__s32)a - (__s32)b;
}
/*
* entity_name -- logical name for a process participating in the
* network, e.g. 'mds0' or 'osd3'.
*/
struct ceph_entity_name {
__u8 type; /* CEPH_ENTITY_TYPE_* */
__le64 num;
} __attribute__ ((packed));
#define CEPH_ENTITY_TYPE_MON 0x01
#define CEPH_ENTITY_TYPE_MDS 0x02
#define CEPH_ENTITY_TYPE_OSD 0x04
#define CEPH_ENTITY_TYPE_CLIENT 0x08
#define CEPH_ENTITY_TYPE_AUTH 0x20
#define CEPH_ENTITY_TYPE_ANY 0xFF
extern const char *ceph_entity_type_name(int type);
/*
* entity_addr -- network address
*/
struct ceph_entity_addr {
__le32 type; /* CEPH_ENTITY_ADDR_TYPE_* */
__le32 nonce; /* unique id for process (e.g. pid) */
struct sockaddr_storage in_addr;
} __attribute__ ((packed));
static inline bool ceph_addr_equal_no_type(const struct ceph_entity_addr *lhs,
const struct ceph_entity_addr *rhs)
{
return !memcmp(&lhs->in_a