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* Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sha...Linus Torvalds2006-10-02
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| * JFS: White space cleanupDave Kleikamp2006-10-02
| * [PATCH] JFS: return correct error when i-node allocation failedAkinobu Mita2006-10-02
| * JFS: Remove shadow variable from fs/jfs/jfs_txnmgr.c:xtLog()Tony Breeds2006-10-02
* | [PATCH] BLOCK: Revert patch to hack around undeclared sigset_t in linux/compat.hDavid Howells2006-10-02
* | [PATCH] introduce get_task_pid() to fix unsafe get_pid()Oleg Nesterov2006-10-02
* | [PATCH] proc: comment what proc_fill_cache doesEric W. Biederman2006-10-02
* | [PATCH] proc: remove the useless SMP-safe comments from /procEric W. Biederman2006-10-02
* | [PATCH] proc: remove trailing blank entry from pid_entry arraysEric W. Biederman2006-10-02
* | [PATCH] proc: properly compute TGID_OFFSETEric W. Biederman2006-10-02
* | [PATCH] proc: drop tasklist lock in task_state()Oleg Nesterov2006-10-02
* | [PATCH] proc: convert do_task_stat() to use lock_task_sighand()Oleg Nesterov2006-10-02
* | [PATCH] proc: convert task_sig() to use lock_task_sighand()Oleg Nesterov2006-10-02
* | [PATCH] proc: Use pid_task instead of open coding itEric W. Biederman2006-10-02
* | [PATCH] proc: Merge proc_tid_attr and proc_tgid_attrEric W. Biederman2006-10-02
* | [PATCH] proc: Remove the hard coded inode numbersEric W. Biederman2006-10-02
* | [PATCH] proc: Factor out an instantiate method from every lookup methodEric W. Biederman2006-10-02
* | [PATCH] proc: Make the generation of the self symlink table drivenEric W. Biederman2006-10-02
* | [PATCH] namespaces: utsname: use init_utsname when appropriateSerge E. Hallyn2006-10-02
* | [PATCH] namespaces: utsname: switch to using uts namespacesSerge E. Hallyn2006-10-02
* | [PATCH] namespaces: incorporate fs namespace into nsproxySerge E. Hallyn2006-10-02
* | [PATCH] nfsd: lockdep annotationPeter Zijlstra2006-10-02
* | [PATCH] knfsd: allow admin to set nthreads per nodeGreg Banks2006-10-02
* | [PATCH] knfsd: use svc_set_num_threads to manage threads in knfsdGreg Banks2006-10-02
* | [PATCH] knfsd: add svc_getGreg Banks2006-10-02
* | [PATCH] knfsd: Correctly handle error condition from lockd_upNeilBrown2006-10-02
* | [PATCH] knfsd: Move makesock failed warning into make_socks.NeilBrown2006-10-02
* | [PATCH] knfsd: Check return value of lockd_up in write_portsNeilBrown2006-10-02
* | [PATCH] knfsd: Drop 'serv' option to svc_recv and svc_processNeilBrown2006-10-02
* | [PATCH] nfsd: add lock annotations to e_start and e_stopJosh Triplett2006-10-02
* | [PATCH] knfsd: Use SEQ_START_TOKEN instead of hardcoded magic (void*)1Greg Banks2006-10-02
* | [PATCH] knfsd: allow sockets to be passed to nfsd via 'portlist'NeilBrown2006-10-02
* | [PATCH] knfsd: define new nfsdfs file: portlist - contains list of portsNeilBrown2006-10-02
* | [PATCH] knfsd: separate out some parts of nfsd_svc, which start nfs serversNeilBrown2006-10-02
* | [PATCH] knfsd: remove nfsd_versbits as intermediate storage for desired versionsNeilBrown2006-10-02
* | [PATCH] knfsd: be more selective in which sockets lockd listens onNeilBrown2006-10-02
* | [PATCH] knfsd: add a callback for when last rpc thread finishesNeilBrown2006-10-02
* | [PATCH] knfsd: remove an unused variable from e_show()Greg Banks2006-10-02
* | [PATCH] knfsd: add some missing newlines in printksGreg Banks2006-10-02
* | [PATCH] file: Add locking to f_getownEric W. Biederman2006-10-02
* | [PATCH] Define struct pspaceSukadev Bhattiprolu2006-10-02
* | [PATCH] fs/inode.c tweaksAndreas Mohr2006-10-02
* | [PATCH] Remove NULL check in register_nls()Alexey Dobriyan2006-10-02
* | [PATCH] file: modify struct fown_struct to use a struct pidEric W. Biederman2006-10-02
* | [PATCH] proc: give the root directory a taskEric W. Biederman2006-10-02
* | [PATCH] proc: modify proc_pident_lookup to be completely table drivenEric W. Biederman2006-10-02
* | [PATCH] proc: reorder the functions in base.cEric W. Biederman2006-10-02
* | [PATCH] proc: readdir race fix (take 3)Eric W. Biederman2006-10-02
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* [PATCH] Support piping into commands in /proc/sys/kernel/core_patternAndi Kleen2006-10-01
* [PATCH] Some cleanup in the pipe codeAndi Kleen2006-10-01
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-10 07:54:27 -0500
b">unsigned imm_count; /* imm-data (bytes) */ /* offset in unsolicited stream (bytes); */ struct iscsi_r2t_info unsol_r2t; char *data; /* mgmt payload */ unsigned data_count; struct scsi_cmnd *sc; /* associated SCSI cmd*/ struct iscsi_conn *conn; /* used connection */ /* state set/tested under session->lock */ int state; atomic_t refcount; struct list_head running; /* running cmd list */ void *dd_data; /* driver/transport data */ }; static inline int iscsi_task_has_unsol_data(struct iscsi_task *task) { return task->unsol_r2t.data_length > task->unsol_r2t.sent; } static inline void* iscsi_next_hdr(struct iscsi_task *task) { return (void*)task->hdr + task->hdr_len; } /* Connection's states */ enum { ISCSI_CONN_INITIAL_STAGE, ISCSI_CONN_STARTED, ISCSI_CONN_STOPPED, ISCSI_CONN_CLEANUP_WAIT, }; struct iscsi_conn { struct iscsi_cls_conn *cls_conn; /* ptr to class connection */ void *dd_data; /* iscsi_transport data */ struct iscsi_session *session; /* parent session */ /* * conn_stop() flag: stop to recover, stop to terminate */ int stop_stage; struct timer_list transport_timer; unsigned long last_recv; unsigned long last_ping; int ping_timeout; int recv_timeout; struct iscsi_task *ping_task; /* iSCSI connection-wide sequencing */ uint32_t exp_statsn; /* control data */ int id; /* CID */ int c_stage; /* connection state */ /* * Preallocated buffer for pdus that have data but do not * originate from scsi-ml. We never have two pdus using the * buffer at the same time. It is only allocated to * the default max recv size because the pdus we support * should always fit in this buffer */ char *data; struct iscsi_task *login_task; /* mtask used for login/text */ struct iscsi_task *task; /* xmit task in progress */ /* xmit */ struct list_head mgmtqueue; /* mgmt (control) xmit queue */ struct list_head mgmt_run_list; /* list of control tasks */ struct list_head xmitqueue; /* data-path cmd queue */ struct list_head run_list; /* list of cmds in progress */ struct list_head requeue; /* tasks needing another run */ struct work_struct xmitwork; /* per-conn. xmit workqueue */ unsigned long suspend_tx; /* suspend Tx */ unsigned long suspend_rx; /* suspend Rx */ /* abort */ wait_queue_head_t ehwait; /* used in eh_abort() */ struct iscsi_tm tmhdr; struct timer_list tmf_timer; int tmf_state; /* see TMF_INITIAL, etc.*/ /* negotiated params */ unsigned max_recv_dlength; /* initiator_max_recv_dsl*/ unsigned max_xmit_dlength; /* target_max_recv_dsl */ int hdrdgst_en; int datadgst_en; int ifmarker_en; int ofmarker_en; /* values userspace uses to id a conn */ int persistent_port; char *persistent_address; /* remote portal currently connected to */ int portal_port; char portal_address[ISCSI_ADDRESS_BUF_LEN]; /* MIB-statistics */ uint64_t txdata_octets; uint64_t rxdata_octets; uint32_t scsicmd_pdus_cnt; uint32_t dataout_pdus_cnt; uint32_t scsirsp_pdus_cnt; uint32_t datain_pdus_cnt; uint32_t r2t_pdus_cnt; uint32_t tmfcmd_pdus_cnt; int32_t tmfrsp_pdus_cnt; /* custom statistics */ uint32_t eh_abort_cnt; uint32_t fmr_unalign_cnt; }; struct iscsi_pool { struct kfifo *queue; /* FIFO Queue */ void **pool; /* Pool of elements */ int max; /* Max number of elements */ }; /* Session's states */ enum { ISCSI_STATE_FREE = 1, ISCSI_STATE_LOGGED_IN, ISCSI_STATE_FAILED, ISCSI_STATE_TERMINATE, ISCSI_STATE_IN_RECOVERY, ISCSI_STATE_RECOVERY_FAILED, ISCSI_STATE_LOGGING_OUT, }; struct iscsi_session { struct iscsi_cls_session *cls_session; /* * Syncs up the scsi eh thread with the iscsi eh thread when sending * task management functions. This must be taken before the session * and recv lock. */ struct mutex eh_mutex; /* iSCSI session-wide sequencing */ uint32_t cmdsn; uint32_t exp_cmdsn; uint32_t max_cmdsn; /* This tracks the reqs queued into the initiator */ uint32_t queued_cmdsn; /* configuration */ int abort_timeout; int lu_reset_timeout; int initial_r2t_en; unsigned max_r2t; int imm_data_en; unsigned first_burst; unsigned max_burst; int time2wait; int time2retain; int pdu_inorder_en; int dataseq_inorder_en; int erl; int fast_abort; int tpgt; char *username; char *username_in; char *password; char *password_in; char *targetname; char *ifacename; char *initiatorname; /* control data */ struct iscsi_transport *tt; struct Scsi_Host *host; struct iscsi_conn *leadconn; /* leading connection */ spinlock_t lock; /* protects session state, * * sequence numbers, * * session resources: * * - cmdpool, * * - mgmtpool, * * - r2tpool */ int state; /* session state */ int age; /* counts session re-opens */ int scsi_cmds_max; /* max scsi commands */ int cmds_max; /* size of cmds array */ struct iscsi_task **cmds; /* Original Cmds arr */ struct iscsi_pool cmdpool; /* PDU's pool */ }; enum { ISCSI_HOST_SETUP, ISCSI_HOST_REMOVED, }; struct iscsi_host { char *initiatorname; /* hw address or netdev iscsi connection is bound to */ char *hwaddress; char *netdev; /* local address */ int local_port; char local_address[ISCSI_ADDRESS_BUF_LEN]; wait_queue_head_t session_removal_wq; /* protects sessions and state */ spinlock_t lock; int num_sessions; int state; }; /* * scsi host template */ extern int iscsi_change_queue_depth(struct scsi_device *sdev, int depth); extern int iscsi_eh_abort(struct scsi_cmnd *sc); extern int iscsi_eh_target_reset(struct scsi_cmnd *sc); extern int iscsi_eh_device_reset(struct scsi_cmnd *sc); extern int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)); /* * iSCSI host helpers. */ #define iscsi_host_priv(_shost) \ (shost_priv(_shost) + sizeof(struct iscsi_host)) extern int iscsi_host_set_param(struct Scsi_Host *shost, enum iscsi_host_param param, char *buf, int buflen); extern int iscsi_host_get_param(struct Scsi_Host *shost, enum iscsi_host_param param, char *buf); extern int iscsi_host_add(struct Scsi_Host *shost, struct device *pdev); extern struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht, int dd_data_size, uint16_t qdepth); extern void iscsi_host_remove(struct Scsi_Host *shost); extern void iscsi_host_free(struct Scsi_Host *shost); /* * session management */ extern struct iscsi_cls_session * iscsi_session_setup(struct iscsi_transport *, struct Scsi_Host *shost, uint16_t, int, uint32_t, unsigned int); extern void iscsi_session_teardown(struct iscsi_cls_session *); extern void iscsi_session_recovery_timedout(struct iscsi_cls_session *); extern int iscsi_set_param(struct iscsi_cls_conn *cls_conn, enum iscsi_param param, char *buf, int buflen); extern int iscsi_session_get_param(struct iscsi_cls_session *cls_session, enum iscsi_param param, char *buf); #define iscsi_session_printk(prefix, _sess, fmt, a...) \ iscsi_cls_session_printk(prefix, _sess->cls_session, fmt, ##a) /* * connection management */ extern struct iscsi_cls_conn *iscsi_conn_setup(struct iscsi_cls_session *, int, uint32_t); extern void iscsi_conn_teardown(struct iscsi_cls_conn *); extern int iscsi_conn_start(struct iscsi_cls_conn *); extern void iscsi_conn_stop(struct iscsi_cls_conn *, int); extern int iscsi_conn_bind(struct iscsi_cls_session *, struct iscsi_cls_conn *, int); extern void iscsi_conn_failure(struct iscsi_conn *conn, enum iscsi_err err); extern void iscsi_session_failure(struct iscsi_cls_session *cls_session, enum iscsi_err err); extern int iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn, enum iscsi_param param, char *buf); extern void iscsi_suspend_tx(struct iscsi_conn *conn); #define iscsi_conn_printk(prefix, _c, fmt, a...) \ iscsi_cls_conn_printk(prefix, ((struct iscsi_conn *)_c)->cls_conn, \ fmt, ##a) /* * pdu and task processing */ extern void iscsi_update_cmdsn(struct iscsi_session *, struct iscsi_nopin *); extern void iscsi_prep_data_out_pdu(struct iscsi_task *task, struct iscsi_r2t_info *r2t, struct iscsi_data *hdr); extern int iscsi_conn_send_pdu(struct iscsi_cls_conn *, struct iscsi_hdr *, char *, uint32_t); extern int iscsi_complete_pdu(struct iscsi_conn *, struct iscsi_hdr *, char *, int); extern int __iscsi_complete_pdu(struct iscsi_conn *, struct iscsi_hdr *, char *, int); extern int iscsi_verify_itt(struct iscsi_conn *, itt_t); extern struct iscsi_task *iscsi_itt_to_ctask(struct iscsi_conn *, itt_t); extern void iscsi_requeue_task(struct iscsi_task *task); extern void iscsi_put_task(struct iscsi_task *task); extern void __iscsi_get_task(struct iscsi_task *task); /* * generic helpers */ extern void iscsi_pool_free(struct iscsi_pool *); extern int iscsi_pool_init(struct iscsi_pool *, int, void ***, int); /* * inline functions to deal with padding. */ static inline unsigned int iscsi_padded(unsigned int len) { return (len + ISCSI_PAD_LEN - 1) & ~(ISCSI_PAD_LEN - 1); } static inline unsigned int iscsi_padding(unsigned int len) { len &= (ISCSI_PAD_LEN - 1); if (len) len = ISCSI_PAD_LEN - len; return len; } #endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-10 07:54:27 -0500