#define debug_scsi(fmt...)
#endif
-#define ISCSI_XMIT_CMDS_MAX 128 /* must be power of 2 */
-#define ISCSI_MGMT_CMDS_MAX 32 /* must be power of 2 */
-#define ISCSI_CONN_MAX 1
+#define ISCSI_DEF_XMIT_CMDS_MAX 128 /* must be power of 2 */
+#define ISCSI_MGMT_CMDS_MAX 16 /* must be power of 2 */
#define ISCSI_MGMT_ITT_OFFSET 0xa00
#define ISCSI_AGE_SHIFT 28
#define ISCSI_AGE_MASK (0xf << ISCSI_AGE_SHIFT)
+#define ISCSI_ADDRESS_BUF_LEN 64
+
struct iscsi_mgmt_task {
/*
* Becuae LLDs allocate their hdr differently, this is a pointer to
ISCSI_TASK_COMPLETED,
ISCSI_TASK_PENDING,
ISCSI_TASK_RUNNING,
+ ISCSI_TASK_ABORTING,
};
struct iscsi_cmd_task {
struct iscsi_cmd_task *ctask; /* xmit ctask in progress */
/* xmit */
- struct kfifo *immqueue; /* immediate xmit queue */
struct kfifo *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 work_struct xmitwork; /* per-conn. xmit workqueue */
- /*
- * serializes connection xmit, access to kfifos:
- * xmitqueue, immqueue, mgmtqueue
- */
- struct mutex xmitmutex;
-
unsigned long suspend_tx; /* suspend Tx */
unsigned long suspend_rx; /* suspend Rx */
/* 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];
+ /* local address */
+ int local_port;
+ char local_address[ISCSI_ADDRESS_BUF_LEN];
/* MIB-statistics */
uint64_t txdata_octets;
};
struct iscsi_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 initial_r2t_en;
unsigned max_r2t;
char *password_in;
char *targetname;
char *initiatorname;
- /* hw address being used for iscsi connection */
+ /* hw address or netdev iscsi connection is bound to */
char *hwaddress;
+ char *netdev;
/* control data */
struct iscsi_transport *tt;
struct Scsi_Host *host;
*/
extern struct iscsi_cls_session *
iscsi_session_setup(struct iscsi_transport *, struct scsi_transport_template *,
- int, int, uint32_t, uint32_t *);
+ uint16_t, uint16_t, int, int, uint32_t, uint32_t *);
extern void iscsi_session_teardown(struct iscsi_cls_session *);
extern struct iscsi_session *class_to_transport_session(struct iscsi_cls_session *);
extern void iscsi_session_recovery_timedout(struct iscsi_cls_session *);
/*
* pdu and task processing
*/
-extern int iscsi_check_assign_cmdsn(struct iscsi_session *,
- struct iscsi_nopin *);
+extern void iscsi_update_cmdsn(struct iscsi_session *, struct iscsi_nopin *);
extern void iscsi_prep_unsolicit_data_pdu(struct iscsi_cmd_task *,
struct iscsi_data *hdr);
extern int iscsi_conn_send_pdu(struct iscsi_cls_conn *, struct iscsi_hdr *,