LU-1330 obdclass: add obd_target.h

[fs/lustre-release.git] / lustre / include / lustre_capa.h

diff --git a/lustre/include/lustre_capa.h b/lustre/include/lustre_capa.h
index 44a06b7..6c31c45 100644 (file)
--- a/lustre/include/lustre_capa.h
+++ b/lustre/include/lustre_capa.h
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -26,8 +24,10 @@
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -41,6 +41,11 @@
 #ifndef __LINUX_CAPA_H_
 #define __LINUX_CAPA_H_
 
+/** \defgroup capa capa
+ *
+ * @{
+ */
+
 /*
  * capability
  */
@@ -66,27 +71,27 @@ struct capa_hmac_alg {
 }
 
 struct client_capa {
-        struct inode             *inode;      
-        struct list_head          lli_list;     /* link to lli_oss_capas */
+        struct inode             *inode;
+        cfs_list_t                lli_list;     /* link to lli_oss_capas */
 };
 
 struct target_capa {
-        struct hlist_node         c_hash;       /* link to capa hash */
+        cfs_hlist_node_t          c_hash;       /* link to capa hash */
 };
 
 struct obd_capa {
-        struct list_head          c_list;       /* link to capa_list */
+        cfs_list_t                c_list;       /* link to capa_list */
 
         struct lustre_capa        c_capa;       /* capa */
-        atomic_t                  c_refc;       /* ref count */
+        cfs_atomic_t              c_refc;       /* ref count */
         cfs_time_t                c_expiry;     /* jiffies */
-        spinlock_t                c_lock;       /* protect capa content */
-        int                       c_site;
+       spinlock_t              c_lock; /* protect capa content */
+       int                     c_site;
 
-        union {
-                struct client_capa      cli;
-                struct target_capa      tgt;
-        } u;
+       union {
+               struct client_capa      cli;
+               struct target_capa      tgt;
+       } u;
 };
 
 enum {
@@ -130,9 +135,9 @@ static inline __u32 capa_keyid(struct lustre_capa *capa)
         return capa->lc_keyid;
 }
 
-static inline __u64 capa_key_mdsid(struct lustre_capa_key *key)
+static inline __u64 capa_key_seq(struct lustre_capa_key *key)
 {
-        return key->lk_mdsid;
+        return key->lk_seq;
 }
 
 static inline __u32 capa_key_keyid(struct lustre_capa_key *key)
@@ -150,35 +155,39 @@ static inline __u32 capa_expiry(struct lustre_capa *capa)
         return capa->lc_expiry;
 }
 
-#define DEBUG_CAPA(level, c, fmt, args...)                                     \
+void _debug_capa(struct lustre_capa *, struct libcfs_debug_msg_data *,
+                 const char *fmt, ... );
+#define DEBUG_CAPA(level, capa, fmt, args...)                                  \
 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));                                                        \
+        if (((level) & D_CANTMASK) != 0 ||                                     \
+            ((libcfs_debug & (level)) != 0 &&                                  \
+             (libcfs_subsystem_debug & DEBUG_SUBSYSTEM) != 0)) {               \
+                LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, level, NULL);              \
+                _debug_capa((capa), &msgdata, fmt, ##args);                    \
+        }                                                                      \
 } while (0)
 
 #define DEBUG_CAPA_KEY(level, k, fmt, args...)                                 \
 do {                                                                           \
-CDEBUG(level, fmt " capability key@%p mdsid "LPU64" keyid %u\n",               \
-       ##args, k, capa_key_mdsid(k), capa_key_keyid(k));                       \
+CDEBUG(level, fmt " capability key@%p seq "LPU64" keyid %u\n",                 \
+       ##args, k, capa_key_seq(k), capa_key_keyid(k));                         \
 } while (0)
 
 typedef int (* renew_capa_cb_t)(struct obd_capa *, struct lustre_capa *);
 
 /* obdclass/capa.c */
-extern struct list_head capa_list[];
+extern cfs_list_t capa_list[];
 extern spinlock_t capa_lock;
 extern int capa_count[];
-extern cfs_mem_cache_t *capa_cachep;
+extern struct kmem_cache *capa_cachep;
 
-struct hlist_head *init_capa_hash(void);
-void cleanup_capa_hash(struct hlist_head *hash);
+cfs_hlist_head_t *init_capa_hash(void);
+void cleanup_capa_hash(cfs_hlist_head_t *hash);
 
-struct obd_capa *capa_add(struct hlist_head *hash, struct lustre_capa *capa);
-struct obd_capa *capa_lookup(struct hlist_head *hash, struct lustre_capa *capa,
-                             int alive);
+struct obd_capa *capa_add(cfs_hlist_head_t *hash,
+                          struct lustre_capa *capa);
+struct 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);
@@ -197,8 +206,8 @@ static inline struct obd_capa *alloc_capa(int site)
                 return ERR_PTR(-ENOMEM);
 
         CFS_INIT_LIST_HEAD(&ocapa->c_list);
-        atomic_set(&ocapa->c_refc, 1);
-        spin_lock_init(&ocapa->c_lock);
+        cfs_atomic_set(&ocapa->c_refc, 1);
+       spin_lock_init(&ocapa->c_lock);
         ocapa->c_site = site;
         if (ocapa->c_site == CAPA_SITE_CLIENT)
                 CFS_INIT_LIST_HEAD(&ocapa->u.cli.lli_list);
@@ -216,7 +225,7 @@ static inline struct obd_capa *capa_get(struct obd_capa *ocapa)
         if (!ocapa)
                 return NULL;
 
-        atomic_inc(&ocapa->c_refc);
+        cfs_atomic_inc(&ocapa->c_refc);
         return ocapa;
 }
 
@@ -225,17 +234,17 @@ static inline void capa_put(struct obd_capa *ocapa)
         if (!ocapa)
                 return;
 
-        if (atomic_read(&ocapa->c_refc) == 0) {
+        if (cfs_atomic_read(&ocapa->c_refc) == 0) {
                 DEBUG_CAPA(D_ERROR, &ocapa->c_capa, "refc is 0 for");
                 LBUG();
         }
 
-        if (atomic_dec_and_test(&ocapa->c_refc)) {
-                LASSERT(list_empty(&ocapa->c_list));
+        if (cfs_atomic_dec_and_test(&ocapa->c_refc)) {
+                LASSERT(cfs_list_empty(&ocapa->c_list));
                 if (ocapa->c_site == CAPA_SITE_CLIENT) {
-                        LASSERT(list_empty(&ocapa->u.cli.lli_list));
+                        LASSERT(cfs_list_empty(&ocapa->u.cli.lli_list));
                 } else {
-                        struct hlist_node *hnode;
+                        cfs_hlist_node_t *hnode;
 
                         hnode = &ocapa->u.tgt.c_hash;
                         LASSERT(!hnode->next && !hnode->pprev);
@@ -285,7 +294,7 @@ static inline int capa_opc_supported(struct lustre_capa *capa, __u64 opc)
 }
 
 struct filter_capa_key {
-        struct list_head        k_list;
+        cfs_list_t              k_list;
         struct lustre_capa_key  k_key;
 };
 
@@ -296,4 +305,7 @@ enum {
 };
 
 #define BYPASS_CAPA (struct lustre_capa *)ERR_PTR(-ENOENT)
+
+/** @} capa */
+
 #endif /* __LINUX_CAPA_H_ */