diff options
Diffstat (limited to 'include/target/iscsi/iscsi_target_core.h')
| -rw-r--r-- | include/target/iscsi/iscsi_target_core.h | 116 |
1 files changed, 51 insertions, 65 deletions
diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h index a49d37140a64..94d06ddfd80a 100644 --- a/include/target/iscsi/iscsi_target_core.h +++ b/include/target/iscsi/iscsi_target_core.h @@ -26,6 +26,7 @@ struct sock; #define ISCSI_RX_THREAD_NAME "iscsi_trx" #define ISCSI_TX_THREAD_NAME "iscsi_ttx" #define ISCSI_IQN_LEN 224 +#define NA_AUTHENTICATION_INHERITED -1 /* struct iscsi_node_attrib sanity values */ #define NA_DATAOUT_TIMEOUT 3 @@ -143,7 +144,7 @@ enum tiqn_state_table { TIQN_STATE_SHUTDOWN = 2, }; -/* struct iscsi_cmd->cmd_flags */ +/* struct iscsit_cmd->cmd_flags */ enum cmd_flags_table { ICF_GOT_LAST_DATAOUT = 0x00000001, ICF_GOT_DATACK_SNACK = 0x00000002, @@ -157,7 +158,7 @@ enum cmd_flags_table { ICF_SENDTARGETS_SINGLE = 0x00000200, }; -/* struct iscsi_cmd->i_state */ +/* struct iscsit_cmd->i_state */ enum cmd_i_state_table { ISTATE_NO_STATE = 0, ISTATE_NEW_CMD = 1, @@ -297,20 +298,10 @@ struct iscsi_sess_ops { struct iscsi_queue_req { int state; - struct iscsi_cmd *cmd; + struct iscsit_cmd *cmd; struct list_head qr_list; }; -struct iscsi_data_count { - int data_length; - int sync_and_steering; - enum data_count_type type; - u32 iov_count; - u32 ss_iov_count; - u32 ss_marker_count; - struct kvec *iov; -}; - struct iscsi_param_list { bool iser; struct list_head param_list; @@ -337,7 +328,7 @@ struct iscsi_ooo_cmdsn { u32 batch_count; u32 cmdsn; u32 exp_cmdsn; - struct iscsi_cmd *cmd; + struct iscsit_cmd *cmd; struct list_head ooo_list; } ____cacheline_aligned; @@ -359,7 +350,7 @@ struct iscsi_r2t { struct list_head r2t_list; } ____cacheline_aligned; -struct iscsi_cmd { +struct iscsit_cmd { enum iscsi_timer_flags_table dataout_timer_flags; /* DataOUT timeout retries */ u8 dataout_timeout_retries; @@ -415,22 +406,22 @@ struct iscsi_cmd { u32 outstanding_r2ts; /* Next R2T Offset when DataSequenceInOrder=Yes */ u32 r2t_offset; - /* Iovec current and orig count for iscsi_cmd->iov_data */ + /* Iovec current and orig count for iscsit_cmd->iov_data */ u32 iov_data_count; u32 orig_iov_data_count; /* Number of miscellaneous iovecs used for IP stack calls */ u32 iov_misc_count; - /* Number of struct iscsi_pdu in struct iscsi_cmd->pdu_list */ + /* Number of struct iscsi_pdu in struct iscsit_cmd->pdu_list */ u32 pdu_count; - /* Next struct iscsi_pdu to send in struct iscsi_cmd->pdu_list */ + /* Next struct iscsi_pdu to send in struct iscsit_cmd->pdu_list */ u32 pdu_send_order; - /* Current struct iscsi_pdu in struct iscsi_cmd->pdu_list */ + /* Current struct iscsi_pdu in struct iscsit_cmd->pdu_list */ u32 pdu_start; - /* Next struct iscsi_seq to send in struct iscsi_cmd->seq_list */ + /* Next struct iscsi_seq to send in struct iscsit_cmd->seq_list */ u32 seq_send_order; - /* Number of struct iscsi_seq in struct iscsi_cmd->seq_list */ + /* Number of struct iscsi_seq in struct iscsit_cmd->seq_list */ u32 seq_count; - /* Current struct iscsi_seq in struct iscsi_cmd->seq_list */ + /* Current struct iscsi_seq in struct iscsit_cmd->seq_list */ u32 seq_no; /* Lowest offset in current DataOUT sequence */ u32 seq_start_offset; @@ -454,12 +445,12 @@ struct iscsi_cmd { enum dma_data_direction data_direction; /* iSCSI PDU Header + CRC */ unsigned char pdu[ISCSI_HDR_LEN + ISCSI_CRC_LEN]; - /* Number of times struct iscsi_cmd is present in immediate queue */ + /* Number of times struct iscsit_cmd is present in immediate queue */ atomic_t immed_queue_count; atomic_t response_queue_count; spinlock_t datain_lock; spinlock_t dataout_timeout_lock; - /* spinlock for protecting struct iscsi_cmd->i_state */ + /* spinlock for protecting struct iscsit_cmd->i_state */ spinlock_t istate_lock; /* spinlock for adding within command recovery entries */ spinlock_t error_lock; @@ -488,11 +479,11 @@ struct iscsi_cmd { /* TMR Request when iscsi_opcode == ISCSI_OP_SCSI_TMFUNC */ struct iscsi_tmr_req *tmr_req; /* Connection this command is alligient to */ - struct iscsi_conn *conn; + struct iscsit_conn *conn; /* Pointer to connection recovery entry */ struct iscsi_conn_recovery *cr; /* Session the command is part of, used for connection recovery */ - struct iscsi_session *sess; + struct iscsit_session *sess; /* list_head for connection list */ struct list_head i_conn_node; /* The TCM I/O descriptor that is accessed via container_of() */ @@ -513,12 +504,12 @@ struct iscsi_cmd { struct iscsi_tmr_req { bool task_reassign:1; u32 exp_data_sn; - struct iscsi_cmd *ref_cmd; + struct iscsit_cmd *ref_cmd; struct iscsi_conn_recovery *conn_recovery; struct se_tmr_req *se_tmr_req; }; -struct iscsi_conn { +struct iscsit_conn { wait_queue_head_t queues_wq; /* Authentication Successful for this connection */ u8 auth_complete; @@ -566,10 +557,11 @@ struct iscsi_conn { struct socket *sock; void (*orig_data_ready)(struct sock *); void (*orig_state_change)(struct sock *); -#define LOGIN_FLAGS_READ_ACTIVE 1 -#define LOGIN_FLAGS_CLOSED 2 -#define LOGIN_FLAGS_READY 4 -#define LOGIN_FLAGS_INITIAL_PDU 8 +#define LOGIN_FLAGS_READY 0 +#define LOGIN_FLAGS_INITIAL_PDU 1 +#define LOGIN_FLAGS_READ_ACTIVE 2 +#define LOGIN_FLAGS_WRITE_ACTIVE 3 +#define LOGIN_FLAGS_CLOSED 4 unsigned long login_flags; struct delayed_work login_work; struct iscsi_login *login; @@ -589,9 +581,10 @@ struct iscsi_conn { struct ahash_request *conn_tx_hash; /* Used for scheduling TX and RX connection kthreads */ cpumask_var_t conn_cpumask; + cpumask_var_t allowed_cpumask; unsigned int conn_rx_reset_cpumask:1; unsigned int conn_tx_reset_cpumask:1; - /* list_head of struct iscsi_cmd for this connection */ + /* list_head of struct iscsit_cmd for this connection */ struct list_head conn_cmd_list; struct list_head immed_queue_list; struct list_head response_queue_list; @@ -606,7 +599,7 @@ struct iscsi_conn { struct iscsi_portal_group *tpg; struct iscsi_tpg_np *tpg_np; /* Pointer to parent session */ - struct iscsi_session *sess; + struct iscsit_session *sess; int bitmap_id; int rx_thread_active; struct task_struct *rx_thread; @@ -626,11 +619,11 @@ struct iscsi_conn_recovery { struct list_head conn_recovery_cmd_list; spinlock_t conn_recovery_cmd_lock; struct timer_list time2retain_timer; - struct iscsi_session *sess; + struct iscsit_session *sess; struct list_head cr_list; } ____cacheline_aligned; -struct iscsi_session { +struct iscsit_session { u8 initiator_vendor; u8 isid[6]; enum iscsi_timer_flags_table time2retain_timer_flags; @@ -676,7 +669,7 @@ struct iscsi_session { atomic_t session_logout; atomic_t session_reinstatement; atomic_t session_stop_active; - atomic_t sleep_on_sess_wait_comp; + atomic_t session_close; /* connection list */ struct list_head sess_conn_list; struct list_head cr_active_list; @@ -718,11 +711,12 @@ struct iscsi_login { char rsp[ISCSI_HDR_LEN]; char *req_buf; char *rsp_buf; - struct iscsi_conn *conn; + struct iscsit_conn *conn; struct iscsi_np *np; } ____cacheline_aligned; struct iscsi_node_attrib { + s32 authentication; u32 dataout_timeout; u32 dataout_timeout_retries; u32 default_erl; @@ -766,6 +760,12 @@ struct iscsi_node_acl { struct iscsi_node_stat_grps node_stat_grps; }; +static inline struct iscsi_node_acl * +to_iscsi_nacl(struct se_node_acl *se_nacl) +{ + return container_of(se_nacl, struct iscsi_node_acl, se_node_acl); +} + struct iscsi_tpg_attrib { u32 authentication; u32 login_timeout; @@ -847,6 +847,12 @@ struct iscsi_portal_group { struct list_head tpg_list; } ____cacheline_aligned; +static inline struct iscsi_portal_group * +to_iscsi_tpg(struct se_portal_group *se_tpg) +{ + return container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); +} + struct iscsi_wwn_stat_grps { struct config_group iscsi_stat_group; struct config_group iscsi_instance_group; @@ -887,12 +893,13 @@ struct iscsit_global { /* Thread Set bitmap pointer */ unsigned long *ts_bitmap; spinlock_t ts_bitmap_lock; + cpumask_var_t allowed_cpumask; /* Used for iSCSI discovery session authentication */ struct iscsi_node_acl discovery_acl; struct iscsi_portal_group *discovery_tpg; }; -static inline u32 session_get_next_ttt(struct iscsi_session *session) +static inline u32 session_get_next_ttt(struct iscsit_session *session) { u32 ttt; @@ -905,31 +912,10 @@ static inline u32 session_get_next_ttt(struct iscsi_session *session) return ttt; } -extern struct iscsi_cmd *iscsit_find_cmd_from_itt(struct iscsi_conn *, itt_t); +extern struct iscsit_cmd *iscsit_find_cmd_from_itt(struct iscsit_conn *, itt_t); + +extern void iscsit_thread_check_cpumask(struct iscsit_conn *conn, + struct task_struct *p, + int mode); -static inline void iscsit_thread_check_cpumask( - struct iscsi_conn *conn, - struct task_struct *p, - int mode) -{ - /* - * mode == 1 signals iscsi_target_tx_thread() usage. - * mode == 0 signals iscsi_target_rx_thread() usage. - */ - if (mode == 1) { - if (!conn->conn_tx_reset_cpumask) - return; - conn->conn_tx_reset_cpumask = 0; - } else { - if (!conn->conn_rx_reset_cpumask) - return; - conn->conn_rx_reset_cpumask = 0; - } - /* - * Update the CPU mask for this single kthread so that - * both TX and RX kthreads are scheduled to run on the - * same CPU. - */ - set_cpus_allowed_ptr(p, conn->conn_cpumask); -} #endif /* ISCSI_TARGET_CORE_H */ |