diff options
Diffstat (limited to 'usr/src/uts/common/nfs/nfs4.h')
| -rw-r--r-- | usr/src/uts/common/nfs/nfs4.h | 189 |
1 files changed, 151 insertions, 38 deletions
diff --git a/usr/src/uts/common/nfs/nfs4.h b/usr/src/uts/common/nfs/nfs4.h index 2dee6d22f4..ce09473f95 100644 --- a/usr/src/uts/common/nfs/nfs4.h +++ b/usr/src/uts/common/nfs/nfs4.h @@ -20,12 +20,13 @@ */ /* - * Copyright 2015 Nexenta Systems, Inc. All rights reserved. + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. */ /* - * Copyright 2010 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. + * Copyright 2018 Nexenta Systems, Inc. + * Copyright 2019 Nexenta by DDN, Inc. */ #ifndef _NFS4_H @@ -39,6 +40,7 @@ #ifdef _KERNEL #include <nfs/nfs4_kprot.h> +#include <nfs/nfs4_drc.h> #include <sys/nvpair.h> #else #include <rpcsvc/nfs4_prot.h> @@ -119,7 +121,21 @@ typedef struct { /* opaque entry type for later use */ rfs4_dbe_t *dbe; } *rfs4_entry_t; -extern rfs4_table_t *rfs4_client_tab; +/* + * NFSv4 server state databases + * + * Initialized when the module is loaded and used by NFSv4 state tables. + * These kmem_cache free pools are used globally, the NFSv4 state tables + * which make use of these kmem_cache free pools are per zone. + */ +extern kmem_cache_t *rfs4_client_mem_cache; +extern kmem_cache_t *rfs4_clntIP_mem_cache; +extern kmem_cache_t *rfs4_openown_mem_cache; +extern kmem_cache_t *rfs4_openstID_mem_cache; +extern kmem_cache_t *rfs4_lockstID_mem_cache; +extern kmem_cache_t *rfs4_lockown_mem_cache; +extern kmem_cache_t *rfs4_file_mem_cache; +extern kmem_cache_t *rfs4_delegstID_mem_cache; /* database, table, index creation entry points */ extern rfs4_database_t *rfs4_database_create(uint32_t); @@ -128,6 +144,8 @@ extern void rfs4_database_destroy(rfs4_database_t *); extern void rfs4_database_destroy(rfs4_database_t *); +extern kmem_cache_t *nfs4_init_mem_cache(char *, uint32_t, uint32_t, + uint32_t); extern rfs4_table_t *rfs4_table_create(rfs4_database_t *, char *, time_t, uint32_t, bool_t (*create)(rfs4_entry_t, void *), @@ -369,12 +387,6 @@ typedef struct rfs4_dss_path { char **rfs4_dss_newpaths; uint_t rfs4_dss_numnewpaths; -/* - * Circular doubly-linked list of paths for currently-served RGs. - * No locking required: only changed on warmstart. Managed with insque/remque. - */ -rfs4_dss_path_t *rfs4_dss_pathlist; - /* nvlists of all DSS paths: current, and before last warmstart */ nvlist_t *rfs4_dss_paths, *rfs4_dss_oldpaths; @@ -740,26 +752,8 @@ typedef struct rfs4_file { krwlock_t rf_file_rwlock; } rfs4_file_t; -extern int rfs4_seen_first_compound; /* set first time we see one */ - -extern rfs4_servinst_t *rfs4_cur_servinst; /* current server instance */ -extern kmutex_t rfs4_servinst_lock; /* protects linked list */ -extern void rfs4_servinst_create(int, int, char **); -extern void rfs4_servinst_destroy_all(void); -extern void rfs4_servinst_assign(rfs4_client_t *, - rfs4_servinst_t *); -extern rfs4_servinst_t *rfs4_servinst(rfs4_client_t *); -extern int rfs4_clnt_in_grace(rfs4_client_t *); -extern int rfs4_servinst_in_grace(rfs4_servinst_t *); -extern int rfs4_servinst_grace_new(rfs4_servinst_t *); -extern void rfs4_grace_start(rfs4_servinst_t *); -extern void rfs4_grace_start_new(void); -extern void rfs4_grace_reset_all(void); -extern void rfs4_ss_oldstate(rfs4_oldstate_t *, char *, char *); -extern void rfs4_dss_readstate(int, char **); - /* - * rfs4_deleg_policy is used to signify the server's global delegation + * nfs4_deleg_policy is used to signify the server's global delegation * policy. The default is to NEVER delegate files and the * administrator must configure the server to enable delegations. * @@ -771,8 +765,6 @@ typedef enum { SRV_NORMAL_DELEGATE = 1 } srv_deleg_policy_t; -extern srv_deleg_policy_t rfs4_deleg_policy; -extern kmutex_t rfs4_deleg_lock; extern void rfs4_disable_delegation(void), rfs4_enable_delegation(void); /* @@ -790,11 +782,124 @@ typedef enum { #define NFS4_DELEG4TYPE2REQTYPE(x) (delegreq_t)(x) /* + * Zone global variables of NFSv4 server + */ +typedef struct nfs4_srv { + /* Unique write verifier */ + verifier4 write4verf; + /* Delegation lock */ + kmutex_t deleg_lock; + /* Used to serialize create/destroy of nfs4_server_state database */ + kmutex_t state_lock; + rfs4_database_t *nfs4_server_state; + /* Used to manage access to server instance linked list */ + kmutex_t servinst_lock; + rfs4_servinst_t *nfs4_cur_servinst; + /* Used to manage access to nfs4_deleg_policy */ + krwlock_t deleg_policy_lock; + srv_deleg_policy_t nfs4_deleg_policy; + /* Set first time we see one */ + int seen_first_compound; + /* + * Circular double-linked list of paths for currently-served RGs. + * No locking required -- only changed on server start. + * Managed with insque/remque. + */ + rfs4_dss_path_t *dss_pathlist; + /* Duplicate request cache */ + rfs4_drc_t *nfs4_drc; + /* nfsv4 server start time */ + time_t rfs4_start_time; + /* Used to serialize lookups of clientids */ + krwlock_t rfs4_findclient_lock; + + /* NFSv4 server state client tables */ + /* table expiry times */ + time_t rfs4_client_cache_time; + time_t rfs4_openowner_cache_time; + time_t rfs4_state_cache_time; + time_t rfs4_lo_state_cache_time; + time_t rfs4_lockowner_cache_time; + time_t rfs4_file_cache_time; + time_t rfs4_deleg_state_cache_time; + time_t rfs4_clntip_cache_time; + /* tables and indexes */ + /* client table */ + rfs4_table_t *rfs4_client_tab; + rfs4_index_t *rfs4_clientid_idx; + rfs4_index_t *rfs4_nfsclnt_idx; + /* client IP table */ + rfs4_table_t *rfs4_clntip_tab; + rfs4_index_t *rfs4_clntip_idx; + /* Open Owner table */ + rfs4_table_t *rfs4_openowner_tab; + rfs4_index_t *rfs4_openowner_idx; + /* Open State ID table */ + rfs4_table_t *rfs4_state_tab; + rfs4_index_t *rfs4_state_idx; + rfs4_index_t *rfs4_state_owner_file_idx; + rfs4_index_t *rfs4_state_file_idx; + /* Lock State ID table */ + rfs4_table_t *rfs4_lo_state_tab; + rfs4_index_t *rfs4_lo_state_idx; + rfs4_index_t *rfs4_lo_state_owner_idx; + /* Lock owner table */ + rfs4_table_t *rfs4_lockowner_tab; + rfs4_index_t *rfs4_lockowner_idx; + rfs4_index_t *rfs4_lockowner_pid_idx; + /* File table */ + rfs4_table_t *rfs4_file_tab; + rfs4_index_t *rfs4_file_idx; + /* Deleg State table */ + rfs4_table_t *rfs4_deleg_state_tab; + rfs4_index_t *rfs4_deleg_idx; + rfs4_index_t *rfs4_deleg_state_idx; + + /* client stable storage */ + int rfs4_ss_enabled; +} nfs4_srv_t; + +/* + * max length of the NFSv4 server database name + */ +#define RFS4_MAX_MEM_CACHE_NAME 48 + +/* + * global NFSv4 server kmem caches + * r_db_name - The name of the state database and the table that will use it + * These tables are defined in nfs4_srv_t + * r_db_mem_cache - The kmem cache associated with the state database name + */ +typedef struct rfs4_db_mem_cache { + char r_db_name[RFS4_MAX_MEM_CACHE_NAME]; + kmem_cache_t *r_db_mem_cache; +} rfs4_db_mem_cache_t; + +#define RFS4_DB_MEM_CACHE_NUM 8 + +rfs4_db_mem_cache_t rfs4_db_mem_cache_table[RFS4_DB_MEM_CACHE_NUM]; + + +extern srv_deleg_policy_t nfs4_get_deleg_policy(); + +extern void rfs4_servinst_create(nfs4_srv_t *, int, int, char **); +extern void rfs4_servinst_destroy_all(nfs4_srv_t *); +extern void rfs4_servinst_assign(nfs4_srv_t *, rfs4_client_t *, + rfs4_servinst_t *); +extern rfs4_servinst_t *rfs4_servinst(rfs4_client_t *); +extern int rfs4_clnt_in_grace(rfs4_client_t *); +extern int rfs4_servinst_in_grace(rfs4_servinst_t *); +extern int rfs4_servinst_grace_new(rfs4_servinst_t *); +extern void rfs4_grace_start(rfs4_servinst_t *); +extern void rfs4_grace_start_new(nfs4_srv_t *); +extern void rfs4_grace_reset_all(nfs4_srv_t *); +extern void rfs4_ss_oldstate(rfs4_oldstate_t *, char *, char *); +extern void rfs4_dss_readstate(nfs4_srv_t *, int, char **); + +/* * Various interfaces to manipulate the state structures introduced * above */ -extern kmutex_t rfs4_state_lock; -extern void rfs4_clean_state_exi(struct exportinfo *exi); extern void rfs4_free_reply(nfs_resop4 *); extern void rfs4_copy_reply(nfs_resop4 *, nfs_resop4 *); @@ -946,7 +1051,10 @@ extern fem_t *deleg_wrops; extern int rfs4_share(rfs4_state_t *, uint32_t, uint32_t); extern int rfs4_unshare(rfs4_state_t *); -extern void rfs4_set_deleg_policy(srv_deleg_policy_t); +extern void rfs4_set_deleg_policy(nfs4_srv_t *, srv_deleg_policy_t); +extern void rfs4_hold_deleg_policy(nfs4_srv_t *); +extern void rfs4_rele_deleg_policy(nfs4_srv_t *); + #ifdef DEBUG #define NFS4_DEBUG(var, args) if (var) cmn_err args @@ -1348,7 +1456,6 @@ extern vtype_t nf4_to_vt[]; extern struct nfs4_ntov_map nfs4_ntov_map[]; extern uint_t nfs4_ntov_map_size; -extern kstat_named_t *rfsproccnt_v4_ptr; extern struct vfsops *nfs4_vfsops; extern struct vnodeops *nfs4_vnodeops; extern const struct fs_operation_def nfs4_vnodeops_template[]; @@ -1377,15 +1484,21 @@ extern stateid4 clnt_special1; * The NFS Version 4 service procedures. */ +extern void rfs4_do_server_start(int, int, int); extern void rfs4_compound(COMPOUND4args *, COMPOUND4res *, struct exportinfo *, struct svc_req *, cred_t *, int *); extern void rfs4_compound_free(COMPOUND4res *); extern void rfs4_compound_flagproc(COMPOUND4args *, int *); -extern int rfs4_srvrinit(void); +extern void rfs4_srvrinit(void); extern void rfs4_srvrfini(void); -extern void rfs4_state_init(void); -extern void rfs4_state_fini(void); +extern void rfs4_srv_zone_init(nfs_globals_t *); +extern void rfs4_srv_zone_fini(nfs_globals_t *); +extern void rfs4_state_g_init(void); +extern void rfs4_state_zone_init(nfs4_srv_t *); +extern void rfs4_state_g_fini(void); +extern void rfs4_state_zone_fini(void); +extern nfs4_srv_t *nfs4_get_srv(void); #endif #ifdef __cplusplus |