--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usr/src/uts/common/sys/ib/clients/iser/iser.h	Tue Mar 24 17:50:49 2009 -0600
@@ -0,0 +1,224 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _ISER_H
+#define	_ISER_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#include <sys/types.h>
+#include <sys/ddi.h>
+#include <sys/cmn_err.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <sys/sunddi.h>
+#include <sys/ib/ibtl/ibti.h>
+#include <sys/ib/ibtl/ibtl_types.h>
+
+#include <sys/idm/idm.h>
+#include <sys/ib/clients/iser/iser_ib.h>
+#include <sys/ib/clients/iser/iser_resource.h>
+#include <sys/ib/clients/iser/iser_cm.h>
+#include <sys/ib/clients/iser/iser_xfer.h>
+
+/*
+ * iser.h
+ *	Definitions and macros related to iSER core functionality,
+ * 	softstate and DDI routines.
+ */
+extern boolean_t iser_logging;
+#define	ISER_LOG if (iser_logging) cmn_err
+
+#define	ISER_TASKQ_NTHREADS	4
+
+#define	ISER_HEADER_LENGTH	28
+
+#define	ISER_DELAY_HALF_SECOND	500000 /* for use with drv_usectohz() */
+
+/* iSER Operational Parameters */
+#define	ISER_TARGET_RECV_DATA_SEGMENT_LENGTH_MIN		0x200
+#define	ISER_TARGET_RECV_DATA_SEGMENT_LENGTH_MAX		0xFFFFFF
+#define	ISER_TARGET_RECV_DATA_SEGMENT_LENGTH_IMPL_MAX		0xFFFFFF
+#define	ISER_TARGET_RECV_DATA_SEGMENT_LENGTH_DEFAULT		\
+	ISCSI_DEFAULT_MAX_RECV_DATA_SEGMENT_LENGTH
+#define	ISER_INITIATOR_RECV_DATA_SEGMENT_LENGTH_MIN		0x200
+#define	ISER_INITIATOR_RECV_DATA_SEGMENT_LENGTH_MAX		0xFFFFFF
+#define	ISER_INITIATOR_RECV_DATA_SEGMENT_LENGTH_IMPL_MAX	0xFFFFFF
+#define	ISER_INITIATOR_RECV_DATA_SEGMENT_LENGTH_DEFAULT		\
+	ISCSI_DEFAULT_MAX_RECV_DATA_SEGMENT_LENGTH
+#define	ISER_MAX_OUTSTANDING_UNEXPECTED_PDUS_MIN		0x0
+#define	ISER_MAX_OUTSTANDING_UNEXPECTED_PDUS_MAX		0xFFFFFFFF
+#define	ISER_MAX_OUTSTANDING_UNEXPECTED_PDUS_IMPL_MAX		0xFFFFFFFF
+#define	ISER_MAX_OUTSTANDING_UNEXPECTED_PDUS_DEFAULT		0x0
+
+/* iSCSI key names that iSER is interested in */
+#define	ISER_KV_KEY_NAME_RDMA_EXTENSIONS	"RDMAExtensions"
+#define	ISER_KV_KEY_NAME_OF_MARKER		"OFMarker"
+#define	ISER_KV_KEY_NAME_IF_MARKER		"IFMarker"
+#define	ISER_KV_KEY_NAME_TGT_RECV_SEGLEN	"TargetRecvDataSegmentLength"
+#define	ISER_KV_KEY_NAME_INI_RECV_SEGLEN	"InitiatorRecvDataSegmentLength"
+#define	ISER_KV_KEY_NAME_MAX_OUTSTANDING_PDU	"MaxOutstandingUnexpectedPDUs"
+
+typedef struct iser_sbind_s {
+	list_node_t		is_list_node;
+	ibt_sbind_hdl_t		is_sbindhdl;
+	ib_gid_t		is_gid;
+	ib_guid_t		is_guid;
+} iser_sbind_t;
+
+/* iSER-specific portion of idm_svc_t */
+typedef struct iser_svc_s {
+	idm_refcnt_t		is_refcnt;
+	ib_svc_id_t		is_svcid;
+	ibt_srv_hdl_t		is_srvhdl;
+	/* list of service bind handles - one per HCA port */
+	list_t			is_sbindlist;
+} iser_svc_t;
+
+/*
+ * iSER endpoint connection type
+ */
+typedef enum {
+	ISER_CONN_TYPE_INI = 1,
+	ISER_CONN_TYPE_TGT
+} iser_conn_type_t;
+
+/*
+ * iSER Connection States to keep track of the connection going into
+ * iSER-assisted mode
+ */
+typedef enum {
+	ISER_CONN_STAGE_UNDEFINED,
+	ISER_CONN_STAGE_ALLOCATED,	/* conn handle allocated */
+	ISER_CONN_STAGE_IC_CONNECTED,	/* conn established */
+	ISER_CONN_STAGE_HELLO_SENT,	/* hello exchange stages */
+	ISER_CONN_STAGE_HELLO_SENT_FAIL,
+	ISER_CONN_STAGE_HELLO_WAIT,
+	ISER_CONN_STAGE_HELLO_RCV,
+	ISER_CONN_STAGE_HELLO_RCV_FAIL,
+	ISER_CONN_STAGE_HELLOREPLY_SENT,
+	ISER_CONN_STAGE_HELLOREPLY_SENT_FAIL,
+	ISER_CONN_STAGE_HELLOREPLY_RCV,
+	ISER_CONN_STAGE_HELLOREPLY_RCV_FAIL,
+	ISER_CONN_STAGE_LOGGED_IN,
+	ISER_CONN_STAGE_IC_DISCONNECTED, /* conn disconnected */
+	ISER_CONN_STAGE_IC_FREED,	/* conn handle allocated */
+	ISER_CONN_STAGE_CLOSING,	/* channel closing */
+	ISER_CONN_STAGE_CLOSED		/* channel closed */
+} iser_conn_stage_t;
+
+/*
+ * iSER operations parameters negotiated for a given connection
+ */
+typedef struct iser_op_params_s {
+	uint32_t	op_header_digest:1,
+			op_data_digest:1,
+			op_rdma_extensions:1,
+			op_ofmarker:1,
+			op_ifmarker:1;
+	uint64_t	op_target_recv_data_segment_length;
+	uint64_t	op_initiator_recv_data_segment_length;
+	uint64_t	op_max_outstanding_unexpected_pdus;
+} iser_op_params_t;
+
+/*
+ * iSER connection information
+ */
+typedef struct iser_conn_s {
+	kmutex_t		ic_lock;
+	kcondvar_t		ic_stage_cv;
+	iser_conn_type_t	ic_type;
+	iser_chan_t		*ic_chan;
+	iser_conn_stage_t	ic_stage; /* for iSER-assisted mode */
+	iser_op_params_t	ic_op_params;
+	idm_conn_t		*ic_idmc;
+	idm_svc_t		*ic_idms;
+} iser_conn_t;
+
+/*
+ * iser_state_t is the iser driver's state structure, encoding all of
+ * the state information.
+ */
+typedef struct iser_state_s {
+	dev_info_t	*is_dip;
+	int		is_instance;
+
+	/* IDM open ref counter and lock */
+	kmutex_t	is_refcnt_lock;
+	int		is_open_refcnt;
+
+	ibt_clnt_hdl_t	is_ibhdl;	/* IBT handle */
+
+	/* list of HCAs */
+	kmutex_t	is_hcalist_lock; /* locked by is_hcalist_lock */
+	list_t		is_hcalist;
+	uint_t		is_num_hcas;
+
+	/* Connection list */
+	iser_conn_t	*is_connlist;
+
+	/* Global work request handle cache */
+	kmem_cache_t		*iser_wr_cache;
+} iser_state_t;
+
+typedef enum {
+	ISER_STATUS_SUCCESS = 0,
+	ISER_STATUS_FAIL
+} iser_status_t;
+
+int iser_idm_register();
+
+iser_status_t iser_register_service(idm_svc_t *idm_svc);
+
+iser_status_t iser_bind_service(idm_svc_t *idm_svc);
+
+void iser_unbind_service(idm_svc_t *idm_svc);
+
+void iser_deregister_service(idm_svc_t *idm_svc);
+
+boolean_t iser_path_exists(idm_sockaddr_t *laddr, idm_sockaddr_t *raddr);
+
+iser_chan_t *iser_channel_alloc(idm_sockaddr_t *laddr, idm_sockaddr_t *raddr);
+
+iser_status_t iser_channel_open(iser_chan_t *chan);
+
+void iser_channel_close(iser_chan_t *chan);
+
+void iser_channel_free(iser_chan_t *chan);
+
+void iser_internal_conn_destroy(iser_conn_t *ic);
+
+/* IDM refcnt utilities for the iSER tgt svc handle */
+void iser_tgt_svc_hold(iser_svc_t *is);
+void iser_tgt_svc_rele(iser_svc_t *is);
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _ISER_H */