capa

Data Structures
struct	capa_hmac_alg
struct	client_capa
struct	target_capa
struct	obd_capa
struct	filter_capa_key
Defines
#define	CAPA_TIMEOUT   1800
#define	CAPA_KEY_TIMEOUT   (24 * 60 * 60)
#define	DEF_CAPA_HMAC_ALG(name, type, len, keylen)
#define	DEBUG_CAPA(level, c, fmt, args...)
#define	DEBUG_CAPA_KEY(level, k, fmt, args...)
#define	BYPASS_CAPA   (struct lustre_capa *)ERR_PTR(-ENOENT)
Typedefs
typedef int(*)	renew_capa_cb_t (struct obd_capa *, struct lustre_capa *)
Enumerations
enum	{ CAPA_SITE_CLIENT = 0, CAPA_SITE_SERVER, CAPA_SITE_MAX }
enum	{ LC_ID_NONE = 0, LC_ID_PLAIN = 1, LC_ID_CONVERT = 2 }
Functions
cfs_hlist_head_t *	init_capa_hash (void)
void	cleanup_capa_hash (cfs_hlist_head_t *hash)
obd_capa *	capa_add (cfs_hlist_head_t *hash, struct lustre_capa *capa)
obd_capa *	capa_lookup (cfs_hlist_head_t *hash, struct lustre_capa *capa, int alive)
int	capa_hmac (__u8 *hmac, struct lustre_capa *capa, __u8 *key)
int	capa_encrypt_id (__u32 *d, __u32 *s, __u8 *key, int keylen)
int	capa_decrypt_id (__u32 *d, __u32 *s, __u8 *key, int keylen)
void	capa_cpy (void *dst, struct obd_capa *ocapa)
Variables
cfs_list_t	capa_list []
cfs_spinlock_t	capa_lock
int	capa_count []
cfs_mem_cache_t *	capa_cachep

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Define Documentation

#define DEBUG_CAPA	(	level,
		c,
		fmt,
		args...		)

Value:

do {                                                                           \
CDEBUG(level, fmt " capability@%p fid "DFID" opc "LPX64" uid "LPU64" gid "     \
       LPU64" flags %u alg %d keyid %u timeout %u expiry %u\n",                \
       ##args, c, PFID(capa_fid(c)), capa_opc(c), capa_uid(c), capa_gid(c),    \
       capa_flags(c), capa_alg(c), capa_keyid(c), capa_timeout(c),             \
       capa_expiry(c));                                                        \
} while (0)

#define DEBUG_CAPA_KEY	(	level,
		k,
		fmt,
		args...		)

Value:

do {                                                                           \
CDEBUG(level, fmt " capability key@%p mdsid "LPU64" keyid %u\n",               \
       ##args, k, capa_key_mdsid(k), capa_key_keyid(k));                       \
} while (0)

#define DEF_CAPA_HMAC_ALG	(	name,
		type,
		len,
		keylen		)

Value:

[CAPA_HMAC_ALG_ ## type] = {                            \
        .ha_name         = name,                        \
        .ha_len          = len,                         \
        .ha_keylen       = keylen,                      \
}

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