Subject: [PATCH 4/4] bnx2i: Add bnx2i iSCSI driver.

From: "Michael Chan" <mchan-dY08KVG/lbpWk0Htik3J/[email-masked]>
Date: Mon, 8 Jun 2009 18:14:44 -0700

New iSCSI driver for Broadcom BNX2 devices.  The driver interfaces with
the CNIC driver to access the hardware.

Signed-off-by: Anil Veerabhadrappa <anilgv-dY08KVG/lbpWk0Htik3J/[email-masked]>
Signed-off-by: Michael Chan <mchan-dY08KVG/lbpWk0Htik3J/[email-masked]>
Signed-off-by: Mike Christie <[email-masked]>
---
 drivers/scsi/Kconfig                      |    1 +
 drivers/scsi/Makefile                     |    1 +
 drivers/scsi/bnx2i/57xx_iscsi_constants.h |  155 ++
 drivers/scsi/bnx2i/57xx_iscsi_hsi.h       | 1509 ++++++++++++++++++
 drivers/scsi/bnx2i/Kconfig                |    7 +
 drivers/scsi/bnx2i/Makefile               |    3 +
 drivers/scsi/bnx2i/bnx2i.h                |  771 +++++++++
 drivers/scsi/bnx2i/bnx2i_hwi.c            | 2405 +++++++++++++++++++++++++++++
 drivers/scsi/bnx2i/bnx2i_init.c           |  438 ++++++
 drivers/scsi/bnx2i/bnx2i_iscsi.c          | 2064 +++++++++++++++++++++++++
 drivers/scsi/bnx2i/bnx2i_sysfs.c          |  142 ++
 11 files changed, 7496 insertions(+), 0 deletions(-)
 create mode 100644 drivers/scsi/bnx2i/57xx_iscsi_constants.h
 create mode 100644 drivers/scsi/bnx2i/57xx_iscsi_hsi.h
 create mode 100644 drivers/scsi/bnx2i/Kconfig
 create mode 100644 drivers/scsi/bnx2i/Makefile
 create mode 100644 drivers/scsi/bnx2i/bnx2i.h
 create mode 100644 drivers/scsi/bnx2i/bnx2i_hwi.c
 create mode 100644 drivers/scsi/bnx2i/bnx2i_init.c
 create mode 100644 drivers/scsi/bnx2i/bnx2i_iscsi.c
 create mode 100644 drivers/scsi/bnx2i/bnx2i_sysfs.c

diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 759e150..6a19ed9 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -354,6 +354,7 @@ config ISCSI_TCP
 	 http://open-iscsi.org
 
 source "drivers/scsi/cxgb3i/Kconfig"
+source "drivers/scsi/bnx2i/Kconfig"
 
 config SGIWD93_SCSI
 	tristate "SGI WD93C93 SCSI Driver"
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index 8795c30..25429ea 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -129,6 +129,7 @@ obj-$(CONFIG_SCSI_STEX)		+= stex.o
 obj-$(CONFIG_SCSI_MVSAS)	+= mvsas/
 obj-$(CONFIG_PS3_ROM)		+= ps3rom.o
 obj-$(CONFIG_SCSI_CXGB3_ISCSI)	+= libiscsi.o libiscsi_tcp.o cxgb3i/
+obj-$(CONFIG_SCSI_BNX2_ISCSI)	+= libiscsi.o bnx2i/
 
 obj-$(CONFIG_ARM)		+= arm/
 
diff --git a/drivers/scsi/bnx2i/57xx_iscsi_constants.h b/drivers/scsi/bnx2i/57xx_iscsi_constants.h
new file mode 100644
index 0000000..2fceb19
--- /dev/null
+++ b/drivers/scsi/bnx2i/57xx_iscsi_constants.h
@@ -0,0 +1,155 @@
+/* 57xx_iscsi_constants.h: Broadcom NetXtreme II iSCSI HSI
+ *
+ * Copyright (c) 2006 - 2009 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ *
+ * Written by: Anil Veerabhadrappa (anilgv-dY08KVG/lbpWk0Htik3J/[email-masked])
+ */
+#ifndef __57XX_ISCSI_CONSTANTS_H_
+#define __57XX_ISCSI_CONSTANTS_H_
+
+/**
+* This file defines HSI constants for the iSCSI flows
+*/
+
+/* iSCSI request op codes */
+#define ISCSI_OPCODE_CLEANUP_REQUEST    (7)
+
+/* iSCSI response/messages op codes */
+#define ISCSI_OPCODE_CLEANUP_RESPONSE 		(0x27)
+#define ISCSI_OPCODE_NOPOUT_LOCAL_COMPLETION    (0)
+
+/* iSCSI task types */
+#define ISCSI_TASK_TYPE_READ    (0)
+#define ISCSI_TASK_TYPE_WRITE   (1)
+#define ISCSI_TASK_TYPE_MPATH   (2)
+
+/* initial CQ sequence numbers */
+#define ISCSI_INITIAL_SN    (1)
+
+/* KWQ (kernel work queue) layer codes */
+#define ISCSI_KWQE_LAYER_CODE   (6)
+
+/* KWQ (kernel work queue) request op codes */
+#define ISCSI_KWQE_OPCODE_OFFLOAD_CONN1 (0)
+#define ISCSI_KWQE_OPCODE_OFFLOAD_CONN2 (1)
+#define ISCSI_KWQE_OPCODE_UPDATE_CONN   (2)
+#define ISCSI_KWQE_OPCODE_DESTROY_CONN  (3)
+#define ISCSI_KWQE_OPCODE_INIT1         (4)
+#define ISCSI_KWQE_OPCODE_INIT2         (5)
+
+/* KCQ (kernel completion queue) response op codes */
+#define ISCSI_KCQE_OPCODE_OFFLOAD_CONN  (0x10)
+#define ISCSI_KCQE_OPCODE_UPDATE_CONN   (0x12)
+#define ISCSI_KCQE_OPCODE_DESTROY_CONN  (0x13)
+#define ISCSI_KCQE_OPCODE_INIT          (0x14)
+#define ISCSI_KCQE_OPCODE_FW_CLEAN_TASK	(0x15)
+#define ISCSI_KCQE_OPCODE_TCP_RESET     (0x16)
+#define ISCSI_KCQE_OPCODE_TCP_SYN       (0x17)
+#define ISCSI_KCQE_OPCODE_TCP_FIN       (0X18)
+#define ISCSI_KCQE_OPCODE_TCP_ERROR     (0x19)
+#define ISCSI_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20)
+#define ISCSI_KCQE_OPCODE_ISCSI_ERROR   (0x21)
+
+/* KCQ (kernel completion queue) completion status */
+#define ISCSI_KCQE_COMPLETION_STATUS_SUCCESS                            (0x0)
+#define ISCSI_KCQE_COMPLETION_STATUS_INVALID_OPCODE                     (0x1)
+#define ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE                  (0x2)
+#define ISCSI_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE                   (0x3)
+#define ISCSI_KCQE_COMPLETION_STATUS_NIC_ERROR                          (0x4)
+
+#define ISCSI_KCQE_COMPLETION_STATUS_HDR_DIG_ERR                        (0x5)
+#define ISCSI_KCQE_COMPLETION_STATUS_DATA_DIG_ERR                       (0x6)
+
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_UNEXPECTED_OPCODE     (0xa)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_OPCODE                (0xb)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_AHS_LEN               (0xc)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ITT                   (0xd)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_STATSN                (0xe)
+
+/* Response */
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN            (0xf)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T              (0x10)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_IS_ZERO  (0x2c)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG  (0x2d)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_0                 (0x11)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_1                 (0x12)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_2                 (0x13)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_3                 (0x14)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_4                 (0x15)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_5                 (0x16)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_6                 (0x17)
+
+/* Data-In */
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_RCV_LEN        (0x18)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_RCV_PDU_LEN       (0x19)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_F_BIT_ZERO            (0x1a)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_NOT_RSRV          (0x1b)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATASN                (0x1c)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_BURST_LEN      (0x1d)
+
+/* R2T */
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_BUFFER_OFF            (0x1f)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN                   (0x20)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_R2TSN                 (0x21)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0 (0x22)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1 (0x23)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_EXCEED       (0x24)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_IS_RSRV           (0x25)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_BURST_LEN         (0x26)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_NOT_ZERO (0x27)
+
+/* TMF */
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REJECT_PDU_LEN        (0x28)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ASYNC_PDU_LEN         (0x29)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_NOPIN_PDU_LEN         (0x2a)
+#define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_IN_CLEANUP   (0x2b)
+
+/* IP/TCP processing errors: */
+#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_FRAGMENT               (0x40)
+#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_OPTIONS                (0x41)
+#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_URGENT_FLAG               (0x42)
+#define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_MAX_RTRANS                (0x43)
+
+/* iSCSI licensing errors */
+/* general iSCSI license not installed */
+#define ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED                (0x50)
+/* additional LOM specific iSCSI license not installed */
+#define ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED              (0x51)
+
+/* SQ/RQ/CQ DB structure sizes */
+#define ISCSI_SQ_DB_SIZE    (16)
+#define ISCSI_RQ_DB_SIZE    (16)
+#define ISCSI_CQ_DB_SIZE    (80)
+
+#define ISCSI_SQN_TO_NOTIFY_NOT_VALID                                   0xFFFF
+
+/* Page size codes (for flags field in connection offload request) */
+#define ISCSI_PAGE_SIZE_256     (0)
+#define ISCSI_PAGE_SIZE_512     (1)
+#define ISCSI_PAGE_SIZE_1K      (2)
+#define ISCSI_PAGE_SIZE_2K      (3)
+#define ISCSI_PAGE_SIZE_4K      (4)
+#define ISCSI_PAGE_SIZE_8K      (5)
+#define ISCSI_PAGE_SIZE_16K     (6)
+#define ISCSI_PAGE_SIZE_32K     (7)
+#define ISCSI_PAGE_SIZE_64K     (8)
+#define ISCSI_PAGE_SIZE_128K    (9)
+#define ISCSI_PAGE_SIZE_256K    (10)
+#define ISCSI_PAGE_SIZE_512K    (11)
+#define ISCSI_PAGE_SIZE_1M      (12)
+#define ISCSI_PAGE_SIZE_2M      (13)
+#define ISCSI_PAGE_SIZE_4M      (14)
+#define ISCSI_PAGE_SIZE_8M      (15)
+
+/* Iscsi PDU related defines */
+#define ISCSI_HEADER_SIZE   (48)
+#define ISCSI_DIGEST_SHIFT  (2)
+#define ISCSI_DIGEST_SIZE   (4)
+
+#define B577XX_ISCSI_CONNECTION_TYPE    3
+
+#endif /*__57XX_ISCSI_CONSTANTS_H_ */
diff --git a/drivers/scsi/bnx2i/57xx_iscsi_hsi.h b/drivers/scsi/bnx2i/57xx_iscsi_hsi.h
new file mode 100644
index 0000000..36af1af
--- /dev/null
+++ b/drivers/scsi/bnx2i/57xx_iscsi_hsi.h
@@ -0,0 +1,1509 @@
+/* 57xx_iscsi_hsi.h: Broadcom NetXtreme II iSCSI HSI.
+ *
+ * Copyright (c) 2006 - 2009 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ *
+ * Written by: Anil Veerabhadrappa (anilgv-dY08KVG/lbpWk0Htik3J/[email-masked])
+ */
+#ifndef __57XX_ISCSI_HSI_LINUX_LE__
+#define __57XX_ISCSI_HSI_LINUX_LE__
+
+/*
+ * iSCSI Async CQE
+ */
+struct bnx2i_async_msg {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 reserved1;
+	u16 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved0;
+	u8 reserved1;
+	u8 op_code;
+#endif
+	u32 reserved2;
+	u32 exp_cmd_sn;
+	u32 max_cmd_sn;
+	u32 reserved3[2];
+#if defined(__BIG_ENDIAN)
+	u16 reserved5;
+	u8 err_code;
+	u8 reserved4;
+#elif defined(__LITTLE_ENDIAN)
+	u8 reserved4;
+	u8 err_code;
+	u16 reserved5;
+#endif
+	u32 reserved6;
+	u32 lun[2];
+#if defined(__BIG_ENDIAN)
+	u8 async_event;
+	u8 async_vcode;
+	u16 param1;
+#elif defined(__LITTLE_ENDIAN)
+	u16 param1;
+	u8 async_vcode;
+	u8 async_event;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 param2;
+	u16 param3;
+#elif defined(__LITTLE_ENDIAN)
+	u16 param3;
+	u16 param2;
+#endif
+	u32 reserved7[3];
+	u32 cq_req_sn;
+};
+
+
+/*
+ * iSCSI Buffer Descriptor (BD)
+ */
+struct iscsi_bd {
+	u32 buffer_addr_hi;
+	u32 buffer_addr_lo;
+#if defined(__BIG_ENDIAN)
+	u16 reserved0;
+	u16 buffer_length;
+#elif defined(__LITTLE_ENDIAN)
+	u16 buffer_length;
+	u16 reserved0;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 reserved3;
+	u16 flags;
+#define ISCSI_BD_RESERVED1 (0x3F<<0)
+#define ISCSI_BD_RESERVED1_SHIFT 0
+#define ISCSI_BD_LAST_IN_BD_CHAIN (0x1<<6)
+#define ISCSI_BD_LAST_IN_BD_CHAIN_SHIFT 6
+#define ISCSI_BD_FIRST_IN_BD_CHAIN (0x1<<7)
+#define ISCSI_BD_FIRST_IN_BD_CHAIN_SHIFT 7
+#define ISCSI_BD_RESERVED2 (0xFF<<8)
+#define ISCSI_BD_RESERVED2_SHIFT 8
+#elif defined(__LITTLE_ENDIAN)
+	u16 flags;
+#define ISCSI_BD_RESERVED1 (0x3F<<0)
+#define ISCSI_BD_RESERVED1_SHIFT 0
+#define ISCSI_BD_LAST_IN_BD_CHAIN (0x1<<6)
+#define ISCSI_BD_LAST_IN_BD_CHAIN_SHIFT 6
+#define ISCSI_BD_FIRST_IN_BD_CHAIN (0x1<<7)
+#define ISCSI_BD_FIRST_IN_BD_CHAIN_SHIFT 7
+#define ISCSI_BD_RESERVED2 (0xFF<<8)
+#define ISCSI_BD_RESERVED2_SHIFT 8
+	u16 reserved3;
+#endif
+};
+
+
+/*
+ * iSCSI Cleanup SQ WQE
+ */
+struct bnx2i_cleanup_request {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 reserved1;
+	u16 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved0;
+	u8 reserved1;
+	u8 op_code;
+#endif
+	u32 reserved2[3];
+#if defined(__BIG_ENDIAN)
+	u16 reserved3;
+	u16 itt;
+#define ISCSI_CLEANUP_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_CLEANUP_REQUEST_INDEX_SHIFT 0
+#define ISCSI_CLEANUP_REQUEST_TYPE (0x3<<14)
+#define ISCSI_CLEANUP_REQUEST_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_CLEANUP_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_CLEANUP_REQUEST_INDEX_SHIFT 0
+#define ISCSI_CLEANUP_REQUEST_TYPE (0x3<<14)
+#define ISCSI_CLEANUP_REQUEST_TYPE_SHIFT 14
+	u16 reserved3;
+#endif
+	u32 reserved4[10];
+#if defined(__BIG_ENDIAN)
+	u8 cq_index;
+	u8 reserved6;
+	u16 reserved5;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved5;
+	u8 reserved6;
+	u8 cq_index;
+#endif
+};
+
+
+/*
+ * iSCSI Cleanup CQE
+ */
+struct bnx2i_cleanup_response {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 status;
+	u16 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved0;
+	u8 status;
+	u8 op_code;
+#endif
+	u32 reserved1[3];
+	u32 reserved2[2];
+#if defined(__BIG_ENDIAN)
+	u16 reserved4;
+	u8 err_code;
+	u8 reserved3;
+#elif defined(__LITTLE_ENDIAN)
+	u8 reserved3;
+	u8 err_code;
+	u16 reserved4;
+#endif
+	u32 reserved5[7];
+#if defined(__BIG_ENDIAN)
+	u16 reserved6;
+	u16 itt;
+#define ISCSI_CLEANUP_RESPONSE_INDEX (0x3FFF<<0)
+#define ISCSI_CLEANUP_RESPONSE_INDEX_SHIFT 0
+#define ISCSI_CLEANUP_RESPONSE_TYPE (0x3<<14)
+#define ISCSI_CLEANUP_RESPONSE_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_CLEANUP_RESPONSE_INDEX (0x3FFF<<0)
+#define ISCSI_CLEANUP_RESPONSE_INDEX_SHIFT 0
+#define ISCSI_CLEANUP_RESPONSE_TYPE (0x3<<14)
+#define ISCSI_CLEANUP_RESPONSE_TYPE_SHIFT 14
+	u16 reserved6;
+#endif
+	u32 cq_req_sn;
+};
+
+
+/*
+ * SCSI read/write SQ WQE
+ */
+struct bnx2i_cmd_request {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 op_attr;
+#define ISCSI_CMD_REQUEST_TASK_ATTR (0x7<<0)
+#define ISCSI_CMD_REQUEST_TASK_ATTR_SHIFT 0
+#define ISCSI_CMD_REQUEST_RESERVED1 (0x3<<3)
+#define ISCSI_CMD_REQUEST_RESERVED1_SHIFT 3
+#define ISCSI_CMD_REQUEST_WRITE (0x1<<5)
+#define ISCSI_CMD_REQUEST_WRITE_SHIFT 5
+#define ISCSI_CMD_REQUEST_READ (0x1<<6)
+#define ISCSI_CMD_REQUEST_READ_SHIFT 6
+#define ISCSI_CMD_REQUEST_FINAL (0x1<<7)
+#define ISCSI_CMD_REQUEST_FINAL_SHIFT 7
+	u16 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved0;
+	u8 op_attr;
+#define ISCSI_CMD_REQUEST_TASK_ATTR (0x7<<0)
+#define ISCSI_CMD_REQUEST_TASK_ATTR_SHIFT 0
+#define ISCSI_CMD_REQUEST_RESERVED1 (0x3<<3)
+#define ISCSI_CMD_REQUEST_RESERVED1_SHIFT 3
+#define ISCSI_CMD_REQUEST_WRITE (0x1<<5)
+#define ISCSI_CMD_REQUEST_WRITE_SHIFT 5
+#define ISCSI_CMD_REQUEST_READ (0x1<<6)
+#define ISCSI_CMD_REQUEST_READ_SHIFT 6
+#define ISCSI_CMD_REQUEST_FINAL (0x1<<7)
+#define ISCSI_CMD_REQUEST_FINAL_SHIFT 7
+	u8 op_code;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 ud_buffer_offset;
+	u16 sd_buffer_offset;
+#elif defined(__LITTLE_ENDIAN)
+	u16 sd_buffer_offset;
+	u16 ud_buffer_offset;
+#endif
+	u32 lun[2];
+#if defined(__BIG_ENDIAN)
+	u16 reserved2;
+	u16 itt;
+#define ISCSI_CMD_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_CMD_REQUEST_INDEX_SHIFT 0
+#define ISCSI_CMD_REQUEST_TYPE (0x3<<14)
+#define ISCSI_CMD_REQUEST_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_CMD_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_CMD_REQUEST_INDEX_SHIFT 0
+#define ISCSI_CMD_REQUEST_TYPE (0x3<<14)
+#define ISCSI_CMD_REQUEST_TYPE_SHIFT 14
+	u16 reserved2;
+#endif
+	u32 total_data_transfer_length;
+	u32 cmd_sn;
+	u32 reserved3;
+	u32 cdb[4];
+	u32 zero_fill;
+	u32 bd_list_addr_lo;
+	u32 bd_list_addr_hi;
+#if defined(__BIG_ENDIAN)
+	u8 cq_index;
+	u8 sd_start_bd_index;
+	u8 ud_start_bd_index;
+	u8 num_bds;
+#elif defined(__LITTLE_ENDIAN)
+	u8 num_bds;
+	u8 ud_start_bd_index;
+	u8 sd_start_bd_index;
+	u8 cq_index;
+#endif
+};
+
+
+/*
+ * task statistics for write response
+ */
+struct bnx2i_write_resp_task_stat {
+	u32 num_data_ins;
+};
+
+/*
+ * task statistics for read response
+ */
+struct bnx2i_read_resp_task_stat {
+#if defined(__BIG_ENDIAN)
+	u16 num_data_outs;
+	u16 num_r2ts;
+#elif defined(__LITTLE_ENDIAN)
+	u16 num_r2ts;
+	u16 num_data_outs;
+#endif
+};
+
+/*
+ * task statistics for iSCSI cmd response
+ */
+union bnx2i_cmd_resp_task_stat {
+	struct bnx2i_write_resp_task_stat write_stat;
+	struct bnx2i_read_resp_task_stat read_stat;
+};
+
+/*
+ * SCSI Command CQE
+ */
+struct bnx2i_cmd_response {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 response_flags;
+#define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
+#define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
+#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
+#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
+#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
+#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
+#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
+#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
+#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
+#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
+#define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
+#define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
+	u8 response;
+	u8 status;
+#elif defined(__LITTLE_ENDIAN)
+	u8 status;
+	u8 response;
+	u8 response_flags;
+#define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
+#define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
+#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
+#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
+#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
+#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
+#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
+#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
+#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
+#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
+#define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
+#define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
+	u8 op_code;
+#endif
+	u32 data_length;
+	u32 exp_cmd_sn;
+	u32 max_cmd_sn;
+	u32 reserved2;
+	u32 residual_count;
+#if defined(__BIG_ENDIAN)
+	u16 reserved4;
+	u8 err_code;
+	u8 reserved3;
+#elif defined(__LITTLE_ENDIAN)
+	u8 reserved3;
+	u8 err_code;
+	u16 reserved4;
+#endif
+	u32 reserved5[5];
+	union bnx2i_cmd_resp_task_stat task_stat;
+	u32 reserved6;
+#if defined(__BIG_ENDIAN)
+	u16 reserved7;
+	u16 itt;
+#define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
+#define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
+#define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
+#define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
+#define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
+#define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
+#define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
+	u16 reserved7;
+#endif
+	u32 cq_req_sn;
+};
+
+
+
+/*
+ * firmware middle-path request SQ WQE
+ */
+struct bnx2i_fw_mp_request {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 op_attr;
+	u16 hdr_opaque1;
+#elif defined(__LITTLE_ENDIAN)
+	u16 hdr_opaque1;
+	u8 op_attr;
+	u8 op_code;
+#endif
+	u32 data_length;
+	u32 hdr_opaque2[2];
+#if defined(__BIG_ENDIAN)
+	u16 reserved0;
+	u16 itt;
+#define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
+#define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
+#define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
+#define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
+#define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
+	u16 reserved0;
+#endif
+	u32 hdr_opaque3[4];
+	u32 resp_bd_list_addr_lo;
+	u32 resp_bd_list_addr_hi;
+	u32 resp_buffer;
+#define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
+#define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
+#define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS (0xFF<<24)
+#define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS_SHIFT 24
+#if defined(__BIG_ENDIAN)
+	u16 reserved4;
+	u8 reserved3;
+	u8 flags;
+#define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
+#define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
+#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
+#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
+#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
+#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
+#define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
+#define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
+#elif defined(__LITTLE_ENDIAN)
+	u8 flags;
+#define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
+#define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
+#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
+#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
+#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
+#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
+#define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
+#define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
+	u8 reserved3;
+	u16 reserved4;
+#endif
+	u32 bd_list_addr_lo;
+	u32 bd_list_addr_hi;
+#if defined(__BIG_ENDIAN)
+	u8 cq_index;
+	u8 reserved6;
+	u8 reserved5;
+	u8 num_bds;
+#elif defined(__LITTLE_ENDIAN)
+	u8 num_bds;
+	u8 reserved5;
+	u8 reserved6;
+	u8 cq_index;
+#endif
+};
+
+
+/*
+ * firmware response - CQE: used only by firmware
+ */
+struct bnx2i_fw_response {
+	u32 hdr_dword1[2];
+	u32 hdr_exp_cmd_sn;
+	u32 hdr_max_cmd_sn;
+	u32 hdr_ttt;
+	u32 hdr_res_cnt;
+	u32 cqe_flags;
+#define ISCSI_FW_RESPONSE_RESERVED2 (0xFF<<0)
+#define ISCSI_FW_RESPONSE_RESERVED2_SHIFT 0
+#define ISCSI_FW_RESPONSE_ERR_CODE (0xFF<<8)
+#define ISCSI_FW_RESPONSE_ERR_CODE_SHIFT 8
+#define ISCSI_FW_RESPONSE_RESERVED3 (0xFFFF<<16)
+#define ISCSI_FW_RESPONSE_RESERVED3_SHIFT 16
+	u32 stat_sn;
+	u32 hdr_dword2[2];
+	u32 hdr_dword3[2];
+	u32 task_stat;
+	u32 reserved0;
+	u32 hdr_itt;
+	u32 cq_req_sn;
+};
+
+
+/*
+ * iSCSI KCQ CQE parameters
+ */
+union iscsi_kcqe_params {
+	u32 reserved0[4];
+};
+
+/*
+ * iSCSI KCQ CQE
+ */
+struct iscsi_kcqe {
+	u32 iscsi_conn_id;
+	u32 completion_status;
+	u32 iscsi_conn_context_id;
+	union iscsi_kcqe_params params;
+#if defined(__BIG_ENDIAN)
+	u8 flags;
+#define ISCSI_KCQE_RESERVED0 (0xF<<0)
+#define ISCSI_KCQE_RESERVED0_SHIFT 0
+#define ISCSI_KCQE_LAYER_CODE (0x7<<4)
+#define ISCSI_KCQE_LAYER_CODE_SHIFT 4
+#define ISCSI_KCQE_RESERVED1 (0x1<<7)
+#define ISCSI_KCQE_RESERVED1_SHIFT 7
+	u8 op_code;
+	u16 qe_self_seq;
+#elif defined(__LITTLE_ENDIAN)
+	u16 qe_self_seq;
+	u8 op_code;
+	u8 flags;
+#define ISCSI_KCQE_RESERVED0 (0xF<<0)
+#define ISCSI_KCQE_RESERVED0_SHIFT 0
+#define ISCSI_KCQE_LAYER_CODE (0x7<<4)
+#define ISCSI_KCQE_LAYER_CODE_SHIFT 4
+#define ISCSI_KCQE_RESERVED1 (0x1<<7)
+#define ISCSI_KCQE_RESERVED1_SHIFT 7
+#endif
+};
+
+
+
+/*
+ * iSCSI KWQE header
+ */
+struct iscsi_kwqe_header {
+#if defined(__BIG_ENDIAN)
+	u8 flags;
+#define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
+#define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
+#define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
+#define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
+#define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
+#define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
+	u8 op_code;
+#elif defined(__LITTLE_ENDIAN)
+	u8 op_code;
+	u8 flags;
+#define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
+#define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
+#define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
+#define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
+#define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
+#define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
+#endif
+};
+
+/*
+ * iSCSI firmware init request 1
+ */
+struct iscsi_kwqe_init1 {
+#if defined(__BIG_ENDIAN)
+	struct iscsi_kwqe_header hdr;
+	u8 reserved0;
+	u8 num_cqs;
+#elif defined(__LITTLE_ENDIAN)
+	u8 num_cqs;
+	u8 reserved0;
+	struct iscsi_kwqe_header hdr;
+#endif
+	u32 dummy_buffer_addr_lo;
+	u32 dummy_buffer_addr_hi;
+#if defined(__BIG_ENDIAN)
+	u16 num_ccells_per_conn;
+	u16 num_tasks_per_conn;
+#elif defined(__LITTLE_ENDIAN)
+	u16 num_tasks_per_conn;
+	u16 num_ccells_per_conn;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 sq_wqes_per_page;
+	u16 sq_num_wqes;
+#elif defined(__LITTLE_ENDIAN)
+	u16 sq_num_wqes;
+	u16 sq_wqes_per_page;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 cq_log_wqes_per_page;
+	u8 flags;
+#define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
+#define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
+#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
+#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
+#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
+#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
+#define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
+#define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
+	u16 cq_num_wqes;
+#elif defined(__LITTLE_ENDIAN)
+	u16 cq_num_wqes;
+	u8 flags;
+#define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
+#define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
+#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
+#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
+#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
+#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
+#define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
+#define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
+	u8 cq_log_wqes_per_page;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 cq_num_pages;
+	u16 sq_num_pages;
+#elif defined(__LITTLE_ENDIAN)
+	u16 sq_num_pages;
+	u16 cq_num_pages;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 rq_buffer_size;
+	u16 rq_num_wqes;
+#elif defined(__LITTLE_ENDIAN)
+	u16 rq_num_wqes;
+	u16 rq_buffer_size;
+#endif
+};
+
+/*
+ * iSCSI firmware init request 2
+ */
+struct iscsi_kwqe_init2 {
+#if defined(__BIG_ENDIAN)
+	struct iscsi_kwqe_header hdr;
+	u16 max_cq_sqn;
+#elif defined(__LITTLE_ENDIAN)
+	u16 max_cq_sqn;
+	struct iscsi_kwqe_header hdr;
+#endif
+	u32 error_bit_map[2];
+	u32 reserved1[5];
+};
+
+/*
+ * Initial iSCSI connection offload request 1
+ */
+struct iscsi_kwqe_conn_offload1 {
+#if defined(__BIG_ENDIAN)
+	struct iscsi_kwqe_header hdr;
+	u16 iscsi_conn_id;
+#elif defined(__LITTLE_ENDIAN)
+	u16 iscsi_conn_id;
+	struct iscsi_kwqe_header hdr;
+#endif
+	u32 sq_page_table_addr_lo;
+	u32 sq_page_table_addr_hi;
+	u32 cq_page_table_addr_lo;
+	u32 cq_page_table_addr_hi;
+	u32 reserved0[3];
+};
+
+/*
+ * iSCSI Page Table Entry (PTE)
+ */
+struct iscsi_pte {
+	u32 hi;
+	u32 lo;
+};
+
+/*
+ * Initial iSCSI connection offload request 2
+ */
+struct iscsi_kwqe_conn_offload2 {
+#if defined(__BIG_ENDIAN)
+	struct iscsi_kwqe_header hdr;
+	u16 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved0;
+	struct iscsi_kwqe_header hdr;
+#endif
+	u32 rq_page_table_addr_lo;
+	u32 rq_page_table_addr_hi;
+	struct iscsi_pte sq_first_pte;
+	struct iscsi_pte cq_first_pte;
+	u32 num_additional_wqes;
+};
+
+
+/*
+ * Initial iSCSI connection offload request 3
+ */
+struct iscsi_kwqe_conn_offload3 {
+#if defined(__BIG_ENDIAN)
+	struct iscsi_kwqe_header hdr;
+	u16 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved0;
+	struct iscsi_kwqe_header hdr;
+#endif
+	u32 reserved1;
+	struct iscsi_pte qp_first_pte[3];
+};
+
+
+/*
+ * iSCSI connection update request
+ */
+struct iscsi_kwqe_conn_update {
+#if defined(__BIG_ENDIAN)
+	struct iscsi_kwqe_header hdr;
+	u16 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved0;
+	struct iscsi_kwqe_header hdr;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 session_error_recovery_level;
+	u8 max_outstanding_r2ts;
+	u8 reserved2;
+	u8 conn_flags;
+#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
+#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
+#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
+#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
+#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
+#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
+#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
+#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
+#define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0xF<<4)
+#define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 4
+#elif defined(__LITTLE_ENDIAN)
+	u8 conn_flags;
+#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
+#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
+#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
+#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
+#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
+#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
+#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
+#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
+#define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0xF<<4)
+#define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 4
+	u8 reserved2;
+	u8 max_outstanding_r2ts;
+	u8 session_error_recovery_level;
+#endif
+	u32 context_id;
+	u32 max_send_pdu_length;
+	u32 max_recv_pdu_length;
+	u32 first_burst_length;
+	u32 max_burst_length;
+	u32 exp_stat_sn;
+};
+
+/*
+ * iSCSI destroy connection request
+ */
+struct iscsi_kwqe_conn_destroy {
+#if defined(__BIG_ENDIAN)
+	struct iscsi_kwqe_header hdr;
+	u16 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved0;
+	struct iscsi_kwqe_header hdr;
+#endif
+	u32 context_id;
+	u32 reserved1[6];
+};
+
+/*
+ * iSCSI KWQ WQE
+ */
+union iscsi_kwqe {
+	struct iscsi_kwqe_init1 init1;
+	struct iscsi_kwqe_init2 init2;
+	struct iscsi_kwqe_conn_offload1 conn_offload1;
+	struct iscsi_kwqe_conn_offload2 conn_offload2;
+	struct iscsi_kwqe_conn_update conn_update;
+	struct iscsi_kwqe_conn_destroy conn_destroy;
+};
+
+/*
+ * iSCSI Login SQ WQE
+ */
+struct bnx2i_login_request {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 op_attr;
+#define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
+#define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
+#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
+#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
+#define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
+#define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
+#define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
+#define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
+#define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
+#define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
+	u8 version_max;
+	u8 version_min;
+#elif defined(__LITTLE_ENDIAN)
+	u8 version_min;
+	u8 version_max;
+	u8 op_attr;
+#define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
+#define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
+#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
+#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
+#define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
+#define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
+#define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
+#define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
+#define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
+#define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
+	u8 op_code;
+#endif
+	u32 data_length;
+	u32 isid_lo;
+#if defined(__BIG_ENDIAN)
+	u16 isid_hi;
+	u16 tsih;
+#elif defined(__LITTLE_ENDIAN)
+	u16 tsih;
+	u16 isid_hi;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 reserved2;
+	u16 itt;
+#define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
+#define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
+#define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
+#define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
+#define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
+	u16 reserved2;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 cid;
+	u16 reserved3;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved3;
+	u16 cid;
+#endif
+	u32 cmd_sn;
+	u32 exp_stat_sn;
+	u32 reserved4;
+	u32 resp_bd_list_addr_lo;
+	u32 resp_bd_list_addr_hi;
+	u32 resp_buffer;
+#define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
+#define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
+#define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS (0xFF<<24)
+#define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS_SHIFT 24
+#if defined(__BIG_ENDIAN)
+	u16 reserved8;
+	u8 reserved7;
+	u8 flags;
+#define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
+#define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
+#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
+#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
+#define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
+#define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
+#elif defined(__LITTLE_ENDIAN)
+	u8 flags;
+#define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
+#define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
+#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
+#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
+#define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
+#define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
+	u8 reserved7;
+	u16 reserved8;
+#endif
+	u32 bd_list_addr_lo;
+	u32 bd_list_addr_hi;
+#if defined(__BIG_ENDIAN)
+	u8 cq_index;
+	u8 reserved10;
+	u8 reserved9;
+	u8 num_bds;
+#elif defined(__LITTLE_ENDIAN)
+	u8 num_bds;
+	u8 reserved9;
+	u8 reserved10;
+	u8 cq_index;
+#endif
+};
+
+
+/*
+ * iSCSI Login CQE
+ */
+struct bnx2i_login_response {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 response_flags;
+#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
+#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
+#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
+#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
+#define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
+#define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
+#define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
+#define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
+#define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
+#define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
+	u8 version_max;
+	u8 version_active;
+#elif defined(__LITTLE_ENDIAN)
+	u8 version_active;
+	u8 version_max;
+	u8 response_flags;
+#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
+#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
+#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
+#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
+#define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
+#define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
+#define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
+#define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
+#define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
+#define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
+	u8 op_code;
+#endif
+	u32 data_length;
+	u32 exp_cmd_sn;
+	u32 max_cmd_sn;
+	u32 reserved1[2];
+#if defined(__BIG_ENDIAN)
+	u16 reserved3;
+	u8 err_code;
+	u8 reserved2;
+#elif defined(__LITTLE_ENDIAN)
+	u8 reserved2;
+	u8 err_code;
+	u16 reserved3;
+#endif
+	u32 stat_sn;
+	u32 isid_lo;
+#if defined(__BIG_ENDIAN)
+	u16 isid_hi;
+	u16 tsih;
+#elif defined(__LITTLE_ENDIAN)
+	u16 tsih;
+	u16 isid_hi;
+#endif
+#if defined(__BIG_ENDIAN)
+	u8 status_class;
+	u8 status_detail;
+	u16 reserved4;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved4;
+	u8 status_detail;
+	u8 status_class;
+#endif
+	u32 reserved5[3];
+#if defined(__BIG_ENDIAN)
+	u16 reserved6;
+	u16 itt;
+#define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
+#define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
+#define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
+#define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
+#define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
+#define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
+#define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
+	u16 reserved6;
+#endif
+	u32 cq_req_sn;
+};
+
+
+/*
+ * iSCSI Logout SQ WQE
+ */
+struct bnx2i_logout_request {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 op_attr;
+#define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
+#define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
+#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
+#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
+	u16 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved0;
+	u8 op_attr;
+#define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
+#define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
+#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
+#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
+	u8 op_code;
+#endif
+	u32 data_length;
+	u32 reserved1[2];
+#if defined(__BIG_ENDIAN)
+	u16 reserved2;
+	u16 itt;
+#define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
+#define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
+#define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
+#define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
+#define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
+	u16 reserved2;
+#endif
+#if defined(__BIG_ENDIAN)
+	u16 cid;
+	u16 reserved3;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved3;
+	u16 cid;
+#endif
+	u32 cmd_sn;
+	u32 reserved4[5];
+	u32 zero_fill;
+	u32 bd_list_addr_lo;
+	u32 bd_list_addr_hi;
+#if defined(__BIG_ENDIAN)
+	u8 cq_index;
+	u8 reserved6;
+	u8 reserved5;
+	u8 num_bds;
+#elif defined(__LITTLE_ENDIAN)
+	u8 num_bds;
+	u8 reserved5;
+	u8 reserved6;
+	u8 cq_index;
+#endif
+};
+
+
+/*
+ * iSCSI Logout CQE
+ */
+struct bnx2i_logout_response {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 reserved1;
+	u8 response;
+	u8 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u8 reserved0;
+	u8 response;
+	u8 reserved1;
+	u8 op_code;
+#endif
+	u32 reserved2;
+	u32 exp_cmd_sn;
+	u32 max_cmd_sn;
+	u32 reserved3[2];
+#if defined(__BIG_ENDIAN)
+	u16 reserved5;
+	u8 err_code;
+	u8 reserved4;
+#elif defined(__LITTLE_ENDIAN)
+	u8 reserved4;
+	u8 err_code;
+	u16 reserved5;
+#endif
+	u32 reserved6[3];
+#if defined(__BIG_ENDIAN)
+	u16 time_to_wait;
+	u16 time_to_retain;
+#elif defined(__LITTLE_ENDIAN)
+	u16 time_to_retain;
+	u16 time_to_wait;
+#endif
+	u32 reserved7[3];
+#if defined(__BIG_ENDIAN)
+	u16 reserved8;
+	u16 itt;
+#define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
+#define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
+#define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
+#define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
+#define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
+#define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
+#define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
+	u16 reserved8;
+#endif
+	u32 cq_req_sn;
+};
+
+
+/*
+ * iSCSI Nop-In CQE
+ */
+struct bnx2i_nop_in_msg {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 reserved1;
+	u16 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved0;
+	u8 reserved1;
+	u8 op_code;
+#endif
+	u32 data_length;
+	u32 exp_cmd_sn;
+	u32 max_cmd_sn;
+	u32 ttt;
+	u32 reserved2;
+#if defined(__BIG_ENDIAN)
+	u16 reserved4;
+	u8 err_code;
+	u8 reserved3;
+#elif defined(__LITTLE_ENDIAN)
+	u8 reserved3;
+	u8 err_code;
+	u16 reserved4;
+#endif
+	u32 reserved5;
+	u32 lun[2];
+	u32 reserved6[4];
+#if defined(__BIG_ENDIAN)
+	u16 reserved7;
+	u16 itt;
+#define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
+#define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
+#define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
+#define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
+#define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
+#define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
+#define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
+	u16 reserved7;
+#endif
+	u32 cq_req_sn;
+};
+
+
+/*
+ * iSCSI NOP-OUT SQ WQE
+ */
+struct bnx2i_nop_out_request {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 op_attr;
+#define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
+#define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
+#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
+#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
+	u16 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved0;
+	u8 op_attr;
+#define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
+#define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
+#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
+#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
+	u8 op_code;
+#endif
+	u32 data_length;
+	u32 lun[2];
+#if defined(__BIG_ENDIAN)
+	u16 reserved2;
+	u16 itt;
+#define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
+#define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
+#define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
+#define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
+#define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
+	u16 reserved2;
+#endif
+	u32 ttt;
+	u32 cmd_sn;
+	u32 reserved3[2];
+	u32 resp_bd_list_addr_lo;
+	u32 resp_bd_list_addr_hi;
+	u32 resp_buffer;
+#define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
+#define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
+#define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS (0xFF<<24)
+#define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS_SHIFT 24
+#if defined(__BIG_ENDIAN)
+	u16 reserved7;
+	u8 reserved6;
+	u8 flags;
+#define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
+#define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
+#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
+#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
+#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
+#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
+#elif defined(__LITTLE_ENDIAN)
+	u8 flags;
+#define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
+#define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
+#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
+#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
+#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
+#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
+	u8 reserved6;
+	u16 reserved7;
+#endif
+	u32 bd_list_addr_lo;
+	u32 bd_list_addr_hi;
+#if defined(__BIG_ENDIAN)
+	u8 cq_index;
+	u8 reserved9;
+	u8 reserved8;
+	u8 num_bds;
+#elif defined(__LITTLE_ENDIAN)
+	u8 num_bds;
+	u8 reserved8;
+	u8 reserved9;
+	u8 cq_index;
+#endif
+};
+
+/*
+ * iSCSI Reject CQE
+ */
+struct bnx2i_reject_msg {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 reserved1;
+	u8 reason;
+	u8 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u8 reserved0;
+	u8 reason;
+	u8 reserved1;
+	u8 op_code;
+#endif
+	u32 data_length;
+	u32 exp_cmd_sn;
+	u32 max_cmd_sn;
+	u32 reserved2[2];
+#if defined(__BIG_ENDIAN)
+	u16 reserved4;
+	u8 err_code;
+	u8 reserved3;
+#elif defined(__LITTLE_ENDIAN)
+	u8 reserved3;
+	u8 err_code;
+	u16 reserved4;
+#endif
+	u32 reserved5[8];
+	u32 cq_req_sn;
+};
+
+/*
+ * bnx2i iSCSI TMF SQ WQE
+ */
+struct bnx2i_tmf_request {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 op_attr;
+#define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
+#define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
+#define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
+#define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
+	u16 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved0;
+	u8 op_attr;
+#define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
+#define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
+#define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
+#define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
+	u8 op_code;
+#endif
+	u32 data_length;
+	u32 lun[2];
+#if defined(__BIG_ENDIAN)
+	u16 reserved1;
+	u16 itt;
+#define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
+#define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
+#define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
+#define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
+#define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
+	u16 reserved1;
+#endif
+	u32 ref_itt;
+	u32 cmd_sn;
+	u32 reserved2;
+	u32 ref_cmd_sn;
+	u32 reserved3[3];
+	u32 zero_fill;
+	u32 bd_list_addr_lo;
+	u32 bd_list_addr_hi;
+#if defined(__BIG_ENDIAN)
+	u8 cq_index;
+	u8 reserved5;
+	u8 reserved4;
+	u8 num_bds;
+#elif defined(__LITTLE_ENDIAN)
+	u8 num_bds;
+	u8 reserved4;
+	u8 reserved5;
+	u8 cq_index;
+#endif
+};
+
+/*
+ * iSCSI Text SQ WQE
+ */
+struct bnx2i_text_request {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 op_attr;
+#define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
+#define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
+#define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
+#define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
+#define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
+#define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
+	u16 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved0;
+	u8 op_attr;
+#define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
+#define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
+#define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
+#define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
+#define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
+#define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
+	u8 op_code;
+#endif
+	u32 data_length;
+	u32 lun[2];
+#if defined(__BIG_ENDIAN)
+	u16 reserved3;
+	u16 itt;
+#define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
+#define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
+#define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
+#define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
+#define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
+#define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
+	u16 reserved3;
+#endif
+	u32 ttt;
+	u32 cmd_sn;
+	u32 reserved4[2];
+	u32 resp_bd_list_addr_lo;
+	u32 resp_bd_list_addr_hi;
+	u32 resp_buffer;
+#define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
+#define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
+#define ISCSI_TEXT_REQUEST_NUM_RESP_BDS (0xFF<<24)
+#define ISCSI_TEXT_REQUEST_NUM_RESP_BDS_SHIFT 24
+	u32 zero_fill;
+	u32 bd_list_addr_lo;
+	u32 bd_list_addr_hi;
+#if defined(__BIG_ENDIAN)
+	u8 cq_index;
+	u8 reserved7;
+	u8 reserved6;
+	u8 num_bds;
+#elif defined(__LITTLE_ENDIAN)
+	u8 num_bds;
+	u8 reserved6;
+	u8 reserved7;
+	u8 cq_index;
+#endif
+};
+
+/*
+ * iSCSI SQ WQE
+ */
+union iscsi_request {
+	struct bnx2i_cmd_request cmd;
+	struct bnx2i_tmf_request tmf;
+	struct bnx2i_nop_out_request nop_out;
+	struct bnx2i_login_request login_req;
+	struct bnx2i_text_request text;
+	struct bnx2i_logout_request logout_req;
+	struct bnx2i_cleanup_request cleanup;
+};
+
+
+/*
+ * iSCSI TMF CQE
+ */
+struct bnx2i_tmf_response {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 reserved1;
+	u8 response;
+	u8 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u8 reserved0;
+	u8 response;
+	u8 reserved1;
+	u8 op_code;
+#endif
+	u32 reserved2;
+	u32 exp_cmd_sn;
+	u32 max_cmd_sn;
+	u32 reserved3[2];
+#if defined(__BIG_ENDIAN)
+	u16 reserved5;
+	u8 err_code;
+	u8 reserved4;
+#elif defined(__LITTLE_ENDIAN)
+	u8 reserved4;
+	u8 err_code;
+	u16 reserved5;
+#endif
+	u32 reserved6[7];
+#if defined(__BIG_ENDIAN)
+	u16 reserved7;
+	u16 itt;
+#define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
+#define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
+#define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
+#define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
+#define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
+#define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
+#define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
+	u16 reserved7;
+#endif
+	u32 cq_req_sn;
+};
+
+/*
+ * iSCSI Text CQE
+ */
+struct bnx2i_text_response {
+#if defined(__BIG_ENDIAN)
+	u8 op_code;
+	u8 response_flags;
+#define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
+#define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
+#define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
+#define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
+#define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
+#define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
+	u16 reserved0;
+#elif defined(__LITTLE_ENDIAN)
+	u16 reserved0;
+	u8 response_flags;
+#define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
+#define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
+#define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
+#define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
+#define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
+#define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
+	u8 op_code;
+#endif
+	u32 data_length;
+	u32 exp_cmd_sn;
+	u32 max_cmd_sn;
+	u32 ttt;
+	u32 reserved2;
+#if defined(__BIG_ENDIAN)
+	u16 reserved4;
+	u8 err_code;
+	u8 reserved3;
+#elif defined(__LITTLE_ENDIAN)
+	u8 reserved3;
+	u8 err_code;
+	u16 reserved4;
+#endif
+	u32 reserved5;
+	u32 lun[2];
+	u32 reserved6[4];
+#if defined(__BIG_ENDIAN)
+	u16 reserved7;
+	u16 itt;
+#define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
+#define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
+#define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
+#define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
+#elif defined(__LITTLE_ENDIAN)
+	u16 itt;
+#define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
+#define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
+#define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
+#define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
+	u16 reserved7;
+#endif
+	u32 cq_req_sn;
+};
+
+/*
+ * iSCSI CQE
+ */
+union iscsi_response {
+	struct bnx2i_cmd_response cmd;
+	struct bnx2i_tmf_response tmf;
+	struct bnx2i_login_response login_resp;
+	struct bnx2i_text_response text;
+	struct bnx2i_logout_response logout_resp;
+	struct bnx2i_cleanup_response cleanup;
+	struct bnx2i_reject_msg reject;
+	struct bnx2i_async_msg async;
+	struct bnx2i_nop_in_msg nop_in;
+};
+
+#endif /* __57XX_ISCSI_HSI_LINUX_LE__ */
diff --git a/drivers/scsi/bnx2i/Kconfig b/drivers/scsi/bnx2i/Kconfig
new file mode 100644
index 0000000..820d428
--- /dev/null
+++ b/drivers/scsi/bnx2i/Kconfig
@@ -0,0 +1,7 @@
+config SCSI_BNX2_ISCSI
+	tristate "Broadcom NetXtreme II iSCSI support"
+	select SCSI_ISCSI_ATTRS
+	select CNIC
+	---help---
+	This driver supports iSCSI offload for the Broadcom NetXtreme II
+	devices.
diff --git a/drivers/scsi/bnx2i/Makefile b/drivers/scsi/bnx2i/Makefile
new file mode 100644
index 0000000..b5802bd
--- /dev/null
+++ b/drivers/scsi/bnx2i/Makefile
@@ -0,0 +1,3 @@
+bnx2i-y := bnx2i_init.o bnx2i_hwi.o bnx2i_iscsi.o bnx2i_sysfs.o
+
+obj-$(CONFIG_SCSI_BNX2_ISCSI) += bnx2i.o
diff --git a/drivers/scsi/bnx2i/bnx2i.h b/drivers/scsi/bnx2i/bnx2i.h
new file mode 100644
index 0000000..d7576f2
--- /dev/null
+++ b/drivers/scsi/bnx2i/bnx2i.h
@@ -0,0 +1,771 @@
+/* bnx2i.h: Broadcom NetXtreme II iSCSI driver.
+ *
+ * Copyright (c) 2006 - 2009 Broadcom Corporation
+ * Copyright (c) 2007, 2008 Red Hat, Inc.  All rights reserved.
+ * Copyright (c) 2007, 2008 Mike Christie
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ *
+ * Written by: Anil Veerabhadrappa (anilgv-dY08KVG/lbpWk0Htik3J/[email-masked])
+ */
+
+#ifndef _BNX2I_H_
+#define _BNX2I_H_
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+
+#include <linux/errno.h>
+#include <linux/pci.h>
+#include <linux/spinlock.h>
+#include <linux/interrupt.h>
+#include <linux/sched.h>
+#include <linux/in.h>
+#include <linux/kfifo.h>
+#include <linux/netdevice.h>
+#include <linux/completion.h>
+
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_eh.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi.h>
+#include <scsi/iscsi_proto.h>
+#include <scsi/libiscsi.h>
+#include <scsi/scsi_transport_iscsi.h>
+
+#include "../../net/cnic_if.h"
+#include "57xx_iscsi_hsi.h"
+#include "57xx_iscsi_constants.h"
+
+#define BNX2_ISCSI_DRIVER_NAME		"bnx2i"
+
+#define BNX2I_MAX_ADAPTERS		8
+
+#define ISCSI_MAX_CONNS_PER_HBA		128
+#define ISCSI_MAX_SESS_PER_HBA		ISCSI_MAX_CONNS_PER_HBA
+#define ISCSI_MAX_CMDS_PER_SESS		128
+
+/* Total active commands across all connections supported by devices */
+#define ISCSI_MAX_CMDS_PER_HBA_5708	(28 * (ISCSI_MAX_CMDS_PER_SESS - 1))
+#define ISCSI_MAX_CMDS_PER_HBA_5709	(128 * (ISCSI_MAX_CMDS_PER_SESS - 1))
+#define ISCSI_MAX_CMDS_PER_HBA_57710	(256 * (ISCSI_MAX_CMDS_PER_SESS - 1))
+
+#define ISCSI_MAX_BDS_PER_CMD		32
+
+#define MAX_PAGES_PER_CTRL_STRUCT_POOL	8
+#define BNX2I_RESERVED_SLOW_PATH_CMD_SLOTS	4
+
+/* 5706/08 hardware has limit on maximum buffer size per BD it can handle */
+#define MAX_BD_LENGTH			65535
+#define BD_SPLIT_SIZE			32768
+
+/* min, max & default values for SQ/RQ/CQ size, configurable via' modparam */
+#define BNX2I_SQ_WQES_MIN 		16
+#define BNX2I_570X_SQ_WQES_MAX 		128
+#define BNX2I_5770X_SQ_WQES_MAX 	512
+#define BNX2I_570X_SQ_WQES_DEFAULT 	128
+#define BNX2I_5770X_SQ_WQES_DEFAULT 	256
+
+#define BNX2I_570X_CQ_WQES_MAX 		128
+#define BNX2I_5770X_CQ_WQES_MAX 	512
+
+#define BNX2I_RQ_WQES_MIN 		16
+#define BNX2I_RQ_WQES_MAX 		32
+#define BNX2I_RQ_WQES_DEFAULT 		16
+
+/* CCELLs per conn */
+#define BNX2I_CCELLS_MIN		16
+#define BNX2I_CCELLS_MAX		96
+#define BNX2I_CCELLS_DEFAULT		64
+
+#define ITT_INVALID_SIGNATURE		0xFFFF
+
+#define ISCSI_CMD_CLEANUP_TIMEOUT	100
+
+#define BNX2I_CONN_CTX_BUF_SIZE		16384
+
+#define BNX2I_SQ_WQE_SIZE		64
+#define BNX2I_RQ_WQE_SIZE		256
+#define BNX2I_CQE_SIZE			64
+
+#define MB_KERNEL_CTX_SHIFT		8
+#define MB_KERNEL_CTX_SIZE		(1 << MB_KERNEL_CTX_SHIFT)
+
+#define CTX_SHIFT			7
+#define GET_CID_NUM(cid_addr)		((cid_addr) >> CTX_SHIFT)
+
+#define CTX_OFFSET 			0x10000
+#define MAX_CID_CNT			0x4000
+
+/* 5709 context registers */
+#define BNX2_MQ_CONFIG2			0x00003d00
+#define BNX2_MQ_CONFIG2_CONT_SZ		(0x7L<<4)
+#define BNX2_MQ_CONFIG2_FIRST_L4L5	(0x1fL<<8)
+
+/* 57710's BAR2 is mapped to doorbell registers */
+#define BNX2X_DOORBELL_PCI_BAR		2
+#define BNX2X_MAX_CQS			8
+
+#define CNIC_ARM_CQE			1
+#define CNIC_DISARM_CQE			0
+
+#define REG_RD(__hba, offset)				\
+		readl(__hba->regview + offset)
+#define REG_WR(__hba, offset, val)			\
+		writel(val, __hba->regview + offset)
+
+
+/**
+ * struct generic_pdu_resc - login pdu resource structure
+ *
+ * @req_buf:            driver buffer used to stage payload associated with
+ *                      the login request
+ * @req_dma_addr:       dma address for iscsi login request payload buffer
+ * @req_buf_size:       actual login request payload length
+ * @req_wr_ptr:         pointer into login request buffer when next data is
+ *                      to be written
+ * @resp_hdr:           iscsi header where iscsi login response header is to
+ *                      be recreated
+ * @resp_buf:           buffer to stage login response payload
+ * @resp_dma_addr:      login response payload buffer dma address
+ * @resp_buf_size:      login response paylod length
+ * @resp_wr_ptr:        pointer into login response buffer when next data is
+ *                      to be written
+ * @req_bd_tbl:         iscsi login request payload BD table
+ * @req_bd_dma:         login request BD table dma address
+ * @resp_bd_tbl:        iscsi login response payload BD table
+ * @resp_bd_dma:        login request BD table dma address
+ *
+ * following structure defines buffer info for generic pdus such as iSCSI Login,
+ *	Logout and NOP
+ */
+struct generic_pdu_resc {
+	char *req_buf;
+	dma_addr_t req_dma_addr;
+	u32 req_buf_size;
+	char *req_wr_ptr;
+	struct iscsi_hdr resp_hdr;
+	char *resp_buf;
+	dma_addr_t resp_dma_addr;
+	u32 resp_buf_size;
+	char *resp_wr_ptr;
+	char *req_bd_tbl;
+	dma_addr_t req_bd_dma;
+	char *resp_bd_tbl;
+	dma_addr_t resp_bd_dma;
+};
+
+
+/**
+ * struct bd_resc_page - tracks DMA'able memory allocated for BD tables
+ *
+ * @link:               list head to link elements
+ * @max_ptrs:           maximun pointers that can be stored in this page
+ * @num_valid:          number of pointer valid in this page
+ * @page:               base addess for page pointer array
+ *
+ * structure to track DMA'able memory allocated for command BD tables
+ */
+struct bd_resc_page {
+	struct list_head link;
+	u32 max_ptrs;
+	u32 num_valid;
+	void *page[1];
+};
+
+
+/**
+ * struct io_bdt - I/O buffer destricptor table
+ *
+ * @bd_tbl:             BD table's virtual address
+ * @bd_tbl_dma:         BD table's dma address
+ * @bd_valid:           num valid BD entries
+ *
+ * IO BD table
+ */
+struct io_bdt {
+	struct iscsi_bd *bd_tbl;
+	dma_addr_t bd_tbl_dma;
+	u16 bd_valid;
+};
+
+
+/**
+ * bnx2i_cmd - iscsi command structure
+ *
+ * @scsi_cmd:           SCSI-ML task pointer corresponding to this iscsi cmd
+ * @sg:                 SG list
+ * @io_tbl:             buffer descriptor (BD) table
+ * @bd_tbl_dma:         buffer descriptor (BD) table's dma address
+ */
+struct bnx2i_cmd {
+	struct iscsi_hdr hdr;
+	struct bnx2i_conn *conn;
+	struct scsi_cmnd *scsi_cmd;
+	struct scatterlist *sg;
+	struct io_bdt io_tbl;
+	dma_addr_t bd_tbl_dma;
+	struct bnx2i_cmd_request req;
+};
+
+
+/**
+ * struct bnx2i_conn - iscsi connection structure
+ *
+ * @cls_conn:              pointer to iscsi cls conn
+ * @hba:                   adapter structure pointer
+ * @iscsi_conn_cid:        iscsi conn id
+ * @fw_cid:                firmware iscsi context id
+ * @ep:                    endpoint structure pointer
+ * @gen_pdu:               login/nopout/logout pdu resources
+ * @violation_notified:    bit mask used to track iscsi error/warning messages
+ *                         already printed out
+ *
+ * iSCSI connection structure
+ */
+struct bnx2i_conn {
+	struct iscsi_cls_conn *cls_conn;
+	struct bnx2i_hba *hba;
+	struct completion cmd_cleanup_cmpl;
+	int is_bound;
+
+	u32 iscsi_conn_cid;
+#define BNX2I_CID_RESERVED	0x5AFF
+	u32 fw_cid;
+
+	struct timer_list poll_timer;
+	/*
+	 * Queue Pair (QP) related structure elements.
+	 */
+	struct bnx2i_endpoint *ep;
+
+	/*
+	 * Buffer for login negotiation process
+	 */
+	struct generic_pdu_resc gen_pdu;
+	u64 violation_notified;
+};
+
+
+
+/**
+ * struct iscsi_cid_queue - Per adapter iscsi cid queue
+ *
+ * @cid_que_base:           queue base memory
+ * @cid_que:                queue memory pointer
+ * @cid_q_prod_idx:         produce index
+ * @cid_q_cons_idx:         consumer index
+ * @cid_q_max_idx:          max index. used to detect wrap around condition
+ * @cid_free_cnt:           queue size
+ * @conn_cid_tbl:           iscsi cid to conn structure mapping table
+ *
+ * Per adapter iSCSI CID Queue
+ */
+struct iscsi_cid_queue {
+	void *cid_que_base;
+	u32 *cid_que;
+	u32 cid_q_prod_idx;
+	u32 cid_q_cons_idx;
+	u32 cid_q_max_idx;
+	u32 cid_free_cnt;
+	struct bnx2i_conn **conn_cid_tbl;
+};
+
+/**
+ * struct bnx2i_hba - bnx2i adapter structure
+ *
+ * @link:                  list head to link elements
+ * @cnic:                  pointer to cnic device
+ * @pcidev:                pointer to pci dev
+ * @netdev:                pointer to netdev structure
+ * @regview:               mapped PCI register space
+ * @age:                   age, incremented by every recovery
+ * @cnic_dev_type:         cnic device type, 5706/5708/5709/57710
+ * @mail_queue_access:     mailbox queue access mode, applicable to 5709 only
+ * @reg_with_cnic:         indicates whether the device is register with CNIC
+ * @adapter_state:         adapter state, UP, GOING_DOWN, LINK_DOWN
+ * @mtu_supported:         Ethernet MTU supported
+ * @shost:                 scsi host pointer
+ * @max_sqes:              SQ size
+ * @max_rqes:              RQ size
+ * @max_cqes:              CQ size
+ * @num_ccell:             number of command cells per connection
+ * @ofld_conns_active:     active connection list
+ * @max_active_conns:      max offload connections supported by this device
+ * @cid_que:               iscsi cid queue
+ * @ep_rdwr_lock:          read / write lock to synchronize various ep lists
+ * @ep_ofld_list:          connection list for pending offload completion
+ * @ep_destroy_list:       connection list for pending offload completion
+ * @mp_bd_tbl:             BD table to be used with middle path requests
+ * @mp_bd_dma:             DMA address of 'mp_bd_tbl' memory buffer
+ * @dummy_buffer:          Dummy buffer to be used with zero length scsicmd reqs
+ * @dummy_buf_dma:         DMA address of 'dummy_buffer' memory buffer
+ * @lock:              	   lock to synchonize access to hba structure
+ * @pci_did:               PCI device ID
+ * @pci_vid:               PCI vendor ID
+ * @pci_sdid:              PCI subsystem device ID
+ * @pci_svid:              PCI subsystem vendor ID
+ * @pci_func:              PCI function number in system pci tree
+ * @pci_devno:             PCI device number in system pci tree
+ * @num_wqe_sent:          statistic counter, total wqe's sent
+ * @num_cqe_rcvd:          statistic counter, total cqe's received
+ * @num_intr_claimed:      statistic counter, total interrupts claimed
+ * @link_changed_count:    statistic counter, num of link change notifications
+ *                         received
+ * @ipaddr_changed_count:  statistic counter, num times IP address changed while
+ *                         at least one connection is offloaded
+ * @num_sess_opened:       statistic counter, total num sessions opened
+ * @num_conn_opened:       statistic counter, total num conns opened on this hba
+ * @ctx_ccell_tasks:       captures number of ccells and tasks supported by
+ *                         currently offloaded connection, used to decode
+ *                         context memory
+ *
+ * Adapter Data Structure
+ */
+struct bnx2i_hba {
+	struct list_head link;
+	struct cnic_dev *cnic;
+	struct pci_dev *pcidev;
+	struct net_device *netdev;
+	void __iomem *regview;
+
+	u32 age;
+	unsigned long cnic_dev_type;
+		#define BNX2I_NX2_DEV_5706		0x0
+		#define BNX2I_NX2_DEV_5708		0x1
+		#define BNX2I_NX2_DEV_5709		0x2
+		#define BNX2I_NX2_DEV_57710		0x3
+	u32 mail_queue_access;
+		#define BNX2I_MQ_KERNEL_MODE		0x0
+		#define BNX2I_MQ_KERNEL_BYPASS_MODE	0x1
+		#define BNX2I_MQ_BIN_MODE		0x2
+	unsigned long  reg_with_cnic;
+		#define BNX2I_CNIC_REGISTERED		1
+
+	unsigned long  adapter_state;
+		#define ADAPTER_STATE_UP		0
+		#define ADAPTER_STATE_GOING_DOWN	1
+		#define ADAPTER_STATE_LINK_DOWN		2
+		#define ADAPTER_STATE_INIT_FAILED	31
+	unsigned int mtu_supported;
+		#define BNX2I_MAX_MTU_SUPPORTED		1500
+
+	struct Scsi_Host *shost;
+
+	u32 max_sqes;
+	u32 max_rqes;
+	u32 max_cqes;
+	u32 num_ccell;
+
+	int ofld_conns_active;
+
+	int max_active_conns;
+	struct iscsi_cid_queue cid_que;
+
+	rwlock_t ep_rdwr_lock;
+	struct list_head ep_ofld_list;
+	struct list_head ep_destroy_list;
+
+	/*
+	 * BD table to be used with MP (Middle Path requests.
+	 */
+	char *mp_bd_tbl;
+	dma_addr_t mp_bd_dma;
+	char *dummy_buffer;
+	dma_addr_t dummy_buf_dma;
+
+	spinlock_t lock;	/* protects hba structure access */
+	struct mutex net_dev_lock;/* sync net device access */
+
+	/*
+	 * PCI related info.
+	 */
+	u16 pci_did;
+	u16 pci_vid;
+	u16 pci_sdid;
+	u16 pci_svid;
+	u16 pci_func;
+	u16 pci_devno;
+
+	/*
+	 * Following are a bunch of statistics useful during development
+	 * and later stage for score boarding.
+	 */
+	u32 num_wqe_sent;
+	u32 num_cqe_rcvd;
+	u32 num_intr_claimed;
+	u32 link_changed_count;
+	u32 ipaddr_changed_count;
+	u32 num_sess_opened;
+	u32 num_conn_opened;
+	unsigned int ctx_ccell_tasks;
+};
+
+
+/*******************************************************************************
+ * 	QP [ SQ / RQ / CQ ] info.
+ ******************************************************************************/
+
+/*
+ * SQ/RQ/CQ generic structure definition
+ */
+struct 	sqe {
+	u8 sqe_byte[BNX2I_SQ_WQE_SIZE];
+};
+
+struct 	rqe {
+	u8 rqe_byte[BNX2I_RQ_WQE_SIZE];
+};
+
+struct 	cqe {
+	u8 cqe_byte[BNX2I_CQE_SIZE];
+};
+
+
+enum {
+#if defined(__LITTLE_ENDIAN)
+	CNIC_EVENT_COAL_INDEX	= 0x0,
+	CNIC_SEND_DOORBELL	= 0x4,
+	CNIC_EVENT_CQ_ARM	= 0x7,
+	CNIC_RECV_DOORBELL	= 0x8
+#elif defined(__BIG_ENDIAN)
+	CNIC_EVENT_COAL_INDEX	= 0x2,
+	CNIC_SEND_DOORBELL	= 0x6,
+	CNIC_EVENT_CQ_ARM	= 0x4,
+	CNIC_RECV_DOORBELL	= 0xa
+#endif
+};
+
+
+/*
+ * CQ DB
+ */
+struct bnx2x_iscsi_cq_pend_cmpl {
+	/* CQ producer, updated by Ustorm */
+	u16 ustrom_prod;
+	/* CQ pending completion counter */
+	u16 pend_cntr;
+};
+
+
+struct bnx2i_5771x_cq_db {
+	struct bnx2x_iscsi_cq_pend_cmpl qp_pend_cmpl[BNX2X_MAX_CQS];
+	/* CQ pending completion ITT array */
+	u16 itt[BNX2X_MAX_CQS];
+	/* Cstorm CQ sequence to notify array, updated by driver */;
+	u16 sqn[BNX2X_MAX_CQS];
+	u32 reserved[4] /* 16 byte allignment */;
+};
+
+
+struct bnx2i_5771x_sq_rq_db {
+	u16 prod_idx;
+	u8 reserved0[14]; /* Pad structure size to 16 bytes */
+};
+
+
+struct bnx2i_5771x_dbell_hdr {
+	u8 header;
+	/* 1 for rx doorbell, 0 for tx doorbell */
+#define B577XX_DOORBELL_HDR_RX				(0x1<<0)
+#define B577XX_DOORBELL_HDR_RX_SHIFT			0
+	/* 0 for normal doorbell, 1 for advertise wnd doorbell */
+#define B577XX_DOORBELL_HDR_DB_TYPE			(0x1<<1)
+#define B577XX_DOORBELL_HDR_DB_TYPE_SHIFT		1
+	/* rdma tx only: DPM transaction size specifier (64/128/256/512B) */
+#define B577XX_DOORBELL_HDR_DPM_SIZE			(0x3<<2)
+#define B577XX_DOORBELL_HDR_DPM_SIZE_SHIFT		2
+	/* connection type */
+#define B577XX_DOORBELL_HDR_CONN_TYPE			(0xF<<4)
+#define B577XX_DOORBELL_HDR_CONN_TYPE_SHIFT		4
+};
+
+struct bnx2i_5771x_dbell {
+	struct bnx2i_5771x_dbell_hdr dbell;
+	u8 pad[3];
+
+};
+
+/**
+ * struct qp_info - QP (share queue region) atrributes structure
+ *
+ * @ctx_base:           ioremapped pci register base to access doorbell register
+ *                      pertaining to this offloaded connection
+ * @sq_virt:            virtual address of send queue (SQ) region
+ * @sq_phys:            DMA address of SQ memory region
+ * @sq_mem_size:        SQ size
+ * @sq_prod_qe:         SQ producer entry pointer
+ * @sq_cons_qe:         SQ consumer entry pointer
+ * @sq_first_qe:        virtaul address of first entry in SQ
+ * @sq_last_qe:         virtaul address of last entry in SQ
+ * @sq_prod_idx:        SQ producer index
+ * @sq_cons_idx:        SQ consumer index
+ * @sqe_left:           number sq entry left
+ * @sq_pgtbl_virt:      page table describing buffer consituting SQ region
+ * @sq_pgtbl_phys:      dma address of 'sq_pgtbl_virt'
+ * @sq_pgtbl_size:      SQ page table size
+ * @cq_virt:            virtual address of completion queue (CQ) region
+ * @cq_phys:            DMA address of RQ memory region
+ * @cq_mem_size:        CQ size
+ * @cq_prod_qe:         CQ producer entry pointer
+ * @cq_cons_qe:         CQ consumer entry pointer
+ * @cq_first_qe:        virtaul address of first entry in CQ
+ * @cq_last_qe:         virtaul address of last entry in CQ
+ * @cq_prod_idx:        CQ producer index
+ * @cq_cons_idx:        CQ consumer index
+ * @cqe_left:           number cq entry left
+ * @cqe_size:           size of each CQ entry
+ * @cqe_exp_seq_sn:     next expected CQE sequence number
+ * @cq_pgtbl_virt:      page table describing buffer consituting CQ region
+ * @cq_pgtbl_phys:      dma address of 'cq_pgtbl_virt'
+ * @cq_pgtbl_size:    	CQ page table size
+ * @rq_virt:            virtual address of receive queue (RQ) region
+ * @rq_phys:            DMA address of RQ memory region
+ * @rq_mem_size:        RQ size
+ * @rq_prod_qe:         RQ producer entry pointer
+ * @rq_cons_qe:         RQ consumer entry pointer
+ * @rq_first_qe:        virtaul address of first entry in RQ
+ * @rq_last_qe:         virtaul address of last entry in RQ
+ * @rq_prod_idx:        RQ producer index
+ * @rq_cons_idx:        RQ consumer index
+ * @rqe_left:           number rq entry left
+ * @rq_pgtbl_virt:      page table describing buffer consituting RQ region
+ * @rq_pgtbl_phys:      dma address of 'rq_pgtbl_virt'
+ * @rq_pgtbl_size:      RQ page table size
+ *
+ * queue pair (QP) is a per connection shared data structure which is used
+ *	to send work requests (SQ), receive completion notifications (CQ)
+ *	and receive asynchoronous / scsi sense info (RQ). 'qp_info' structure
+ *	below holds queue memory, consumer/producer indexes and page table
+ *	information
+ */
+struct qp_info {
+	void __iomem *ctx_base;
+#define DPM_TRIGER_TYPE			0x40
+
+#define BNX2I_570x_QUE_DB_SIZE		0
+#define BNX2I_5771x_QUE_DB_SIZE		16
+	struct sqe *sq_virt;
+	dma_addr_t sq_phys;
+	u32 sq_mem_size;
+
+	struct sqe *sq_prod_qe;
+	struct sqe *sq_cons_qe;
+	struct sqe *sq_first_qe;
+	struct sqe *sq_last_qe;
+	u16 sq_prod_idx;
+	u16 sq_cons_idx;
+	u32 sqe_left;
+
+	void *sq_pgtbl_virt;
+	dma_addr_t sq_pgtbl_phys;
+	u32 sq_pgtbl_size;	/* set to PAGE_SIZE for 5708 & 5709 */
+
+	struct cqe *cq_virt;
+	dma_addr_t cq_phys;
+	u32 cq_mem_size;
+
+	struct cqe *cq_prod_qe;
+	struct cqe *cq_cons_qe;
+	struct cqe *cq_first_qe;
+	struct cqe *cq_last_qe;
+	u16 cq_prod_idx;
+	u16 cq_cons_idx;
+	u32 cqe_left;
+	u32 cqe_size;
+	u32 cqe_exp_seq_sn;
+
+	void *cq_pgtbl_virt;
+	dma_addr_t cq_pgtbl_phys;
+	u32 cq_pgtbl_size;	/* set to PAGE_SIZE for 5708 & 5709 */
+
+	struct rqe *rq_virt;
+	dma_addr_t rq_phys;
+	u32 rq_mem_size;
+
+	struct rqe *rq_prod_qe;
+	struct rqe *rq_cons_qe;
+	struct rqe *rq_first_qe;
+	struct rqe *rq_last_qe;
+	u16 rq_prod_idx;
+	u16 rq_cons_idx;
+	u32 rqe_left;
+
+	void *rq_pgtbl_virt;
+	dma_addr_t rq_pgtbl_phys;
+	u32 rq_pgtbl_size;	/* set to PAGE_SIZE for 5708 & 5709 */
+};
+
+
+
+/*
+ * CID handles
+ */
+struct ep_handles {
+	u32 fw_cid;
+	u32 drv_iscsi_cid;
+	u16 pg_cid;
+	u16 rsvd;
+};
+
+
+enum {
+	EP_STATE_IDLE                   = 0x0,
+	EP_STATE_PG_OFLD_START          = 0x1,
+	EP_STATE_PG_OFLD_COMPL          = 0x2,
+	EP_STATE_OFLD_START             = 0x4,
+	EP_STATE_OFLD_COMPL             = 0x8,
+	EP_STATE_CONNECT_START          = 0x10,
+	EP_STATE_CONNECT_COMPL          = 0x20,
+	EP_STATE_ULP_UPDATE_START       = 0x40,
+	EP_STATE_ULP_UPDATE_COMPL       = 0x80,
+	EP_STATE_DISCONN_START          = 0x100,
+	EP_STATE_DISCONN_COMPL          = 0x200,
+	EP_STATE_CLEANUP_START          = 0x400,
+	EP_STATE_CLEANUP_CMPL           = 0x800,
+	EP_STATE_TCP_FIN_RCVD           = 0x1000,
+	EP_STATE_TCP_RST_RCVD           = 0x2000,
+	EP_STATE_PG_OFLD_FAILED         = 0x1000000,
+	EP_STATE_ULP_UPDATE_FAILED      = 0x2000000,
+	EP_STATE_CLEANUP_FAILED         = 0x4000000,
+	EP_STATE_OFLD_FAILED            = 0x8000000,
+	EP_STATE_CONNECT_FAILED         = 0x10000000,
+	EP_STATE_DISCONN_TIMEDOUT       = 0x20000000,
+};
+
+/**
+ * struct bnx2i_endpoint - representation of tcp connection in NX2 world
+ *
+ * @link:               list head to link elements
+ * @hba:                adapter to which this connection belongs
+ * @conn:               iscsi connection this EP is linked to
+ * @sess:               iscsi session this EP is linked to
+ * @cm_sk:              cnic sock struct
+ * @hba_age:            age to detect if 'iscsid' issues ep_disconnect()
+ *                      after HBA reset is completed by bnx2i/cnic/bnx2
+ *                      modules
+ * @state:              tracks offload connection state machine
+ * @teardown_mode:      indicates if conn teardown is abortive or orderly
+ * @qp:                 QP information
+ * @ids:                contains chip allocated *context id* & driver assigned
+ *                      *iscsi cid*
+ * @ofld_timer:         offload timer to detect timeout
+ * @ofld_wait:          wait queue
+ *
+ * Endpoint Structure - equivalent of tcp socket structure
+ */
+struct bnx2i_endpoint {
+	struct list_head link;
+	struct bnx2i_hba *hba;
+	struct bnx2i_conn *conn;
+	struct cnic_sock *cm_sk;
+	u32 hba_age;
+	u32 state;
+	unsigned long timestamp;
+	int num_active_cmds;
+
+	struct qp_info qp;
+	struct ep_handles ids;
+		#define ep_iscsi_cid	ids.drv_iscsi_cid
+		#define ep_cid		ids.fw_cid
+		#define ep_pg_cid	ids.pg_cid
+	struct timer_list ofld_timer;
+	wait_queue_head_t ofld_wait;
+};
+
+
+
+/* Global variables */
+extern unsigned int error_mask1, error_mask2;
+extern u64 iscsi_error_mask;
+extern unsigned int en_tcp_dack;
+extern unsigned int event_coal_div;
+
+extern struct scsi_transport_template *bnx2i_scsi_xport_template;
+extern struct iscsi_transport bnx2i_iscsi_transport;
+extern struct cnic_ulp_ops bnx2i_cnic_cb;
+
+extern unsigned int sq_size;
+extern unsigned int rq_size;
+
+extern struct device_attribute *bnx2i_dev_attributes[];
+
+
+
+/*
+ * Function Prototypes
+ */
+extern void bnx2i_identify_device(struct bnx2i_hba *hba);
+extern void bnx2i_register_device(struct bnx2i_hba *hba);
+
+extern void bnx2i_ulp_init(struct cnic_dev *dev);
+extern void bnx2i_ulp_exit(struct cnic_dev *dev);
+extern void bnx2i_start(void *handle);
+extern void bnx2i_stop(void *handle);
+extern void bnx2i_reg_dev_all(void);
+extern void bnx2i_unreg_dev_all(void);
+extern struct bnx2i_hba *get_adapter_list_head(void);
+
+struct bnx2i_conn *bnx2i_get_conn_from_id(struct bnx2i_hba *hba,
+					  u16 iscsi_cid);
+
+int bnx2i_alloc_ep_pool(void);
+void bnx2i_release_ep_pool(void);
+struct bnx2i_endpoint *bnx2i_ep_ofld_list_next(struct bnx2i_hba *hba);
+struct bnx2i_endpoint *bnx2i_ep_destroy_list_next(struct bnx2i_hba *hba);
+
+struct bnx2i_hba *bnx2i_find_hba_for_cnic(struct cnic_dev *cnic);
+
+struct bnx2i_hba *bnx2i_alloc_hba(struct cnic_dev *cnic);
+void bnx2i_free_hba(struct bnx2i_hba *hba);
+
+void bnx2i_get_rq_buf(struct bnx2i_conn *conn, char *ptr, int len);
+void bnx2i_put_rq_buf(struct bnx2i_conn *conn, int count);
+
+void bnx2i_iscsi_unmap_sg_list(struct bnx2i_cmd *cmd);
+
+void bnx2i_drop_session(struct iscsi_cls_session *session);
+
+extern int bnx2i_send_fw_iscsi_init_msg(struct bnx2i_hba *hba);
+extern int bnx2i_send_iscsi_login(struct bnx2i_conn *conn,
+				  struct iscsi_task *mtask);
+extern int bnx2i_send_iscsi_tmf(struct bnx2i_conn *conn,
+				  struct iscsi_task *mtask);
+extern int bnx2i_send_iscsi_scsicmd(struct bnx2i_conn *conn,
+				    struct bnx2i_cmd *cmnd);
+extern int bnx2i_send_iscsi_nopout(struct bnx2i_conn *conn,
+				   struct iscsi_task *mtask, u32 ttt,
+				   char *datap, int data_len, int unsol);
+extern int bnx2i_send_iscsi_logout(struct bnx2i_conn *conn,
+				   struct iscsi_task *mtask);
+extern void bnx2i_send_cmd_cleanup_req(struct bnx2i_hba *hba,
+				       struct bnx2i_cmd *cmd);
+extern void bnx2i_send_conn_ofld_req(struct bnx2i_hba *hba,
+				     struct bnx2i_endpoint *ep);
+extern void bnx2i_update_iscsi_conn(struct iscsi_conn *conn);
+extern void bnx2i_send_conn_destroy(struct bnx2i_hba *hba,
+				    struct bnx2i_endpoint *ep);
+
+extern int bnx2i_alloc_qp_resc(struct bnx2i_hba *hba,
+			       struct bnx2i_endpoint *ep);
+extern void bnx2i_free_qp_resc(struct bnx2i_hba *hba,
+			       struct bnx2i_endpoint *ep);
+extern void bnx2i_ep_ofld_timer(unsigned long data);
+extern struct bnx2i_endpoint *bnx2i_find_ep_in_ofld_list(
+		struct bnx2i_hba *hba, u32 iscsi_cid);
+extern struct bnx2i_endpoint *bnx2i_find_ep_in_destroy_list(
+		struct bnx2i_hba *hba, u32 iscsi_cid);
+
+extern int bnx2i_map_ep_dbell_regs(struct bnx2i_endpoint *ep);
+extern void bnx2i_arm_cq_event_coalescing(struct bnx2i_endpoint *ep, u8 action);
+
+/* Debug related function prototypes */
+extern void bnx2i_print_pend_cmd_queue(struct bnx2i_conn *conn);
+extern void bnx2i_print_active_cmd_queue(struct bnx2i_conn *conn);
+extern void bnx2i_print_xmit_pdu_queue(struct bnx2i_conn *conn);
+extern void bnx2i_print_recv_state(struct bnx2i_conn *conn);
+
+#endif
diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
new file mode 100644
index 0000000..906cef5
--- /dev/null
+++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
@@ -0,0 +1,2405 @@
+/* bnx2i_hwi.c: Broadcom NetXtreme II iSCSI driver.
+ *
+ * Copyright (c) 2006 - 2009 Broadcom Corporation
+ * Copyright (c) 2007, 2008 Red Hat, Inc.  All rights reserved.
+ * Copyright (c) 2007, 2008 Mike Christie
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ *
+ * Written by: Anil Veerabhadrappa (anilgv-dY08KVG/lbpWk0Htik3J/[email-masked])
+ */
+
+#include <scsi/scsi_tcq.h>
+#include <scsi/libiscsi.h>
+#include "bnx2i.h"
+
+/**
+ * bnx2i_get_cid_num - get cid from ep
+ * @ep: 	endpoint pointer
+ *
+ * Only applicable to 57710 family of devices
+ */
+static u32 bnx2i_get_cid_num(struct bnx2i_endpoint *ep)
+{
+	u32 cid;
+
+	if (test_bit(BNX2I_NX2_DEV_57710, &ep->hba->cnic_dev_type))
+		cid = ep->ep_cid;
+	else
+		cid = GET_CID_NUM(ep->ep_cid);
+	return cid;
+}
+
+
+/**
+ * bnx2i_adjust_qp_size - Adjust SQ/RQ/CQ size for 57710 device type
+ * @hba: 		Adapter for which adjustments is to be made
+ *
+ * Only applicable to 57710 family of devices
+ */
+static void bnx2i_adjust_qp_size(struct bnx2i_hba *hba)
+{
+	u32 num_elements_per_pg;
+
+	if (test_bit(BNX2I_NX2_DEV_5706, &hba->cnic_dev_type) ||
+	    test_bit(BNX2I_NX2_DEV_5708, &hba->cnic_dev_type) ||
+	    test_bit(BNX2I_NX2_DEV_5709, &hba->cnic_dev_type)) {
+		if (!is_power_of_2(hba->max_sqes))
+			hba->max_sqes = rounddown_pow_of_two(hba->max_sqes);
+
+		if (!is_power_of_2(hba->max_rqes))
+			hba->max_rqes = rounddown_pow_of_two(hba->max_rqes);
+	}
+
+	/* Adjust each queue size if the user selection does not
+	 * yield integral num of page buffers
+	 */
+	/* adjust SQ */
+	num_elements_per_pg = PAGE_SIZE / BNX2I_SQ_WQE_SIZE;
+	if (hba->max_sqes < num_elements_per_pg)
+		hba->max_sqes = num_elements_per_pg;
+	else if (hba->max_sqes % num_elements_per_pg)
+		hba->max_sqes = (hba->max_sqes + num_elements_per_pg - 1) &
+				 ~(num_elements_per_pg - 1);
+
+	/* adjust CQ */
+	num_elements_per_pg = PAGE_SIZE / BNX2I_CQE_SIZE;
+	if (hba->max_cqes < num_elements_per_pg)
+		hba->max_cqes = num_elements_per_pg;
+	else if (hba->max_cqes % num_elements_per_pg)
+		hba->max_cqes = (hba->max_cqes + num_elements_per_pg - 1) &
+				 ~(num_elements_per_pg - 1);
+
+	/* adjust RQ */
+	num_elements_per_pg = PAGE_SIZE / BNX2I_RQ_WQE_SIZE;
+	if (hba->max_rqes < num_elements_per_pg)
+		hba->max_rqes = num_elements_per_pg;
+	else if (hba->max_rqes % num_elements_per_pg)
+		hba->max_rqes = (hba->max_rqes + num_elements_per_pg - 1) &
+				 ~(num_elements_per_pg - 1);
+}
+
+
+/**
+ * bnx2i_get_link_state - get network interface link state
+ * @hba:	adapter instance pointer
+ *
+ * updates adapter structure flag based on netdev state
+ */
+static void bnx2i_get_link_state(struct bnx2i_hba *hba)
+{
+	if (test_bit(__LINK_STATE_NOCARRIER, &hba->netdev->state))
+		set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
+	else
+		clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
+}
+
+
+/**
+ * bnx2i_iscsi_license_error - displays iscsi license related error message
+ * @hba:		adapter instance pointer
+ * @error_code:		error classification
+ *
+ * Puts out an error log when driver is unable to offload iscsi connection
+ *	due to license restrictions
+ */
+static void bnx2i_iscsi_license_error(struct bnx2i_hba *hba, u32 error_code)
+{
+	if (error_code == ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED)
+		/* iSCSI offload not supported on this device */
+		printk(KERN_ERR "bnx2i: iSCSI not supported, dev=%s\n",
+				hba->netdev->name);
+	if (error_code == ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED)
+		/* iSCSI offload not supported on this LOM device */
+		printk(KERN_ERR "bnx2i: LOM is not enable to "
+				"offload iSCSI connections, dev=%s\n",
+				hba->netdev->name);
+	set_bit(ADAPTER_STATE_INIT_FAILED, &hba->adapter_state);
+}
+
+
+/**
+ * bnx2i_arm_cq_event_coalescing - arms CQ to enable EQ notification
+ * @ep:		endpoint (transport indentifier) structure
+ * @action:	action, ARM or DISARM. For now only ARM_CQE is used
+ *
+ * Arm'ing CQ will enable chip to generate global EQ events inorder to interrupt
+ *	the driver. EQ event is generated CQ index is hit or at least 1 CQ is
+ *	outstanding and on chip timer expires
+ */
+void bnx2i_arm_cq_event_coalescing(struct bnx2i_endpoint *ep, u8 action)
+{
+	struct bnx2i_5771x_cq_db *cq_db;
+	u16 cq_index;
+
+	if (!test_bit(BNX2I_NX2_DEV_57710, &ep->hba->cnic_dev_type))
+		return;
+
+	if (action == CNIC_ARM_CQE) {
+		cq_index = ep->qp.cqe_exp_seq_sn +
+			   ep->num_active_cmds / event_coal_div;
+		cq_index %= (ep->qp.cqe_size * 2 + 1);
+		if (!cq_index) {
+			cq_index = 1;
+			cq_db = (struct bnx2i_5771x_cq_db *)
+					ep->qp.cq_pgtbl_virt;
+			cq_db->sqn[0] = cq_index;
+		}
+	}
+}
+
+
+/**
+ * bnx2i_get_rq_buf - copy RQ buffer contents to driver buffer
+ * @conn:		iscsi connection on which RQ event occured
+ * @ptr:		driver buffer to which RQ buffer contents is to
+ *			be copied
+ * @len:		length of valid data inside RQ buf
+ *
+ * Copies RQ buffer contents from shared (DMA'able) memory region to
+ *	driver buffer. RQ is used to DMA unsolicitated iscsi pdu's and
+ *	scsi sense info
+ */
+void bnx2i_get_rq_buf(struct bnx2i_conn *bnx2i_conn, char *ptr, int len)
+{
+	if (!bnx2i_conn->ep->qp.rqe_left)
+		return;
+
+	bnx2i_conn->ep->qp.rqe_left--;
+	memcpy(ptr, (u8 *) bnx2i_conn->ep->qp.rq_cons_qe, len);
+	if (bnx2i_conn->ep->qp.rq_cons_qe == bnx2i_conn->ep->qp.rq_last_qe) {
+		bnx2i_conn->ep->qp.rq_cons_qe = bnx2i_conn->ep->qp.rq_first_qe;
+		bnx2i_conn->ep->qp.rq_cons_idx = 0;
+	} else {
+		bnx2i_conn->ep->qp.rq_cons_qe++;
+		bnx2i_conn->ep->qp.rq_cons_idx++;
+	}
+}
+
+
+static void bnx2i_ring_577xx_doorbell(struct bnx2i_conn *conn)
+{
+	struct bnx2i_5771x_dbell dbell;
+	u32 msg;
+
+	memset(&dbell, 0, sizeof(dbell));
+	dbell.dbell.header = (B577XX_ISCSI_CONNECTION_TYPE <<
+			      B577XX_DOORBELL_HDR_CONN_TYPE_SHIFT);
+	msg = *((u32 *)&dbell);
+	/* TODO : get doorbell register mapping */
+	writel(cpu_to_le32(msg), conn->ep->qp.ctx_base);
+}
+
+
+/**
+ * bnx2i_put_rq_buf - Replenish RQ buffer, if required ring on chip doorbell
+ * @conn:	iscsi connection on which event to post
+ * @count:	number of RQ buffer being posted to chip
+ *
+ * No need to ring hardware doorbell for 57710 family of devices
+ */
+void bnx2i_put_rq_buf(struct bnx2i_conn *bnx2i_conn, int count)
+{
+	struct bnx2i_5771x_sq_rq_db *rq_db;
+	u16 hi_bit = (bnx2i_conn->ep->qp.rq_prod_idx & 0x8000);
+	struct bnx2i_endpoint *ep = bnx2i_conn->ep;
+
+	ep->qp.rqe_left += count;
+	ep->qp.rq_prod_idx &= 0x7FFF;
+	ep->qp.rq_prod_idx += count;
+
+	if (ep->qp.rq_prod_idx > bnx2i_conn->hba->max_rqes) {
+		ep->qp.rq_prod_idx %= bnx2i_conn->hba->max_rqes;
+		if (!hi_bit)
+			ep->qp.rq_prod_idx |= 0x8000;
+	} else
+		ep->qp.rq_prod_idx |= hi_bit;
+
+	if (test_bit(BNX2I_NX2_DEV_57710, &ep->hba->cnic_dev_type)) {
+		rq_db = (struct bnx2i_5771x_sq_rq_db *) ep->qp.rq_pgtbl_virt;
+		rq_db->prod_idx = ep->qp.rq_prod_idx;
+		/* no need to ring hardware doorbell for 57710 */
+	} else {
+		writew(ep->qp.rq_prod_idx,
+		       ep->qp.ctx_base + CNIC_RECV_DOORBELL);
+	}
+	mmiowb();
+}
+
+
+/**
+ * bnx2i_ring_sq_dbell - Ring SQ doorbell to wake-up the processing engine
+ * @conn: 		iscsi connection to which new SQ entries belong
+ * @count: 		number of SQ WQEs to post
+ *
+ * SQ DB is updated in host memory and TX Doorbell is rung for 57710 family
+ *	of devices. For 5706/5708/5709 new SQ WQE count is written into the
+ *	doorbell register
+ */
+static void bnx2i_ring_sq_dbell(struct bnx2i_conn *bnx2i_conn, int count)
+{
+	struct bnx2i_5771x_sq_rq_db *sq_db;
+	struct bnx2i_endpoint *ep = bnx2i_conn->ep;
+
+	ep->num_active_cmds++;
+	wmb();	/* flush SQ WQE memory before the doorbell is rung */
+	if (test_bit(BNX2I_NX2_DEV_57710, &ep->hba->cnic_dev_type)) {
+		sq_db = (struct bnx2i_5771x_sq_rq_db *) ep->qp.sq_pgtbl_virt;
+		sq_db->prod_idx = ep->qp.sq_prod_idx;
+		bnx2i_ring_577xx_doorbell(bnx2i_conn);
+	} else
+		writew(count, ep->qp.ctx_base + CNIC_SEND_DOORBELL);
+
+	mmiowb(); /* flush posted PCI writes */
+}
+
+
+/**
+ * bnx2i_ring_dbell_update_sq_params - update SQ driver parameters
+ * @conn:	iscsi connection to which new SQ entries belong
+ * @count:	number of SQ WQEs to post
+ *
+ * this routine will update SQ driver parameters and ring the doorbell
+ */
+static void bnx2i_ring_dbell_update_sq_params(struct bnx2i_conn *bnx2i_conn,
+					      int count)
+{
+	int tmp_cnt;
+
+	if (count == 1) {
+		if (bnx2i_conn->ep->qp.sq_prod_qe ==
+		    bnx2i_conn->ep->qp.sq_last_qe)
+			bnx2i_conn->ep->qp.sq_prod_qe =
+						bnx2i_conn->ep->qp.sq_first_qe;
+		else
+			bnx2i_conn->ep->qp.sq_prod_qe++;
+	} else {
+		if ((bnx2i_conn->ep->qp.sq_prod_qe + count) <=
+		    bnx2i_conn->ep->qp.sq_last_qe)
+			bnx2i_conn->ep->qp.sq_prod_qe += count;
+		else {
+			tmp_cnt = bnx2i_conn->ep->qp.sq_last_qe -
+				bnx2i_conn->ep->qp.sq_prod_qe;
+			bnx2i_conn->ep->qp.sq_prod_qe =
+				&bnx2i_conn->ep->qp.sq_first_qe[count -
+								(tmp_cnt + 1)];
+		}
+	}
+	bnx2i_conn->ep->qp.sq_prod_idx += count;
+	/* Ring the doorbell */
+	bnx2i_ring_sq_dbell(bnx2i_conn, bnx2i_conn->ep->qp.sq_prod_idx);
+}
+
+
+/**
+ * bnx2i_send_iscsi_login - post iSCSI login request MP WQE to hardware
+ * @conn:	iscsi connection
+ * @cmd:	driver command structure which is requesting
+ *		a WQE to sent to chip for further processing
+ *
+ * prepare and post an iSCSI Login request WQE to CNIC firmware
+ */
+int bnx2i_send_iscsi_login(struct bnx2i_conn *bnx2i_conn,
+			   struct iscsi_task *task)
+{
+	struct bnx2i_cmd *bnx2i_cmd;
+	struct bnx2i_login_request *login_wqe;
+	struct iscsi_login *login_hdr;
+	u32 dword;
+
+	bnx2i_cmd = (struct bnx2i_cmd *)task->dd_data;
+	login_hdr = (struct iscsi_login *)task->hdr;
+	login_wqe = (struct bnx2i_login_request *)
+						bnx2i_conn->ep->qp.sq_prod_qe;
+
+	login_wqe->op_code = login_hdr->opcode;
+	login_wqe->op_attr = login_hdr->flags;
+	login_wqe->version_max = login_hdr->max_version;
+	login_wqe->version_min = login_hdr->min_version;
+	login_wqe->data_length = ntoh24(login_hdr->dlength);
+	login_wqe->isid_lo = *((u32 *) login_hdr->isid);
+	login_wqe->isid_hi = *((u16 *) login_hdr->isid + 2);
+	login_wqe->tsih = login_hdr->tsih;
+	login_wqe->itt = task->itt |
+		(ISCSI_TASK_TYPE_MPATH << ISCSI_LOGIN_REQUEST_TYPE_SHIFT);
+	login_wqe->cid = login_hdr->cid;
+
+	login_wqe->cmd_sn = be32_to_cpu(login_hdr->cmdsn);
+	login_wqe->exp_stat_sn = be32_to_cpu(login_hdr->exp_statsn);
+
+	login_wqe->resp_bd_list_addr_lo = (u32) bnx2i_conn->gen_pdu.resp_bd_dma;
+	login_wqe->resp_bd_list_addr_hi =
+		(u32) ((u64) bnx2i_conn->gen_pdu.resp_bd_dma >> 32);
+
+	dword = ((1 << ISCSI_LOGIN_REQUEST_NUM_RESP_BDS_SHIFT) |
+		 (bnx2i_conn->gen_pdu.resp_buf_size <<
+		  ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH_SHIFT));
+	login_wqe->resp_buffer = dword;
+	login_wqe->flags = 0;
+	login_wqe->bd_list_addr_lo = (u32) bnx2i_conn->gen_pdu.req_bd_dma;
+	login_wqe->bd_list_addr_hi =
+		(u32) ((u64) bnx2i_conn->gen_pdu.req_bd_dma >> 32);
+	login_wqe->num_bds = 1;
+	login_wqe->cq_index = 0; /* CQ# used for completion, 5771x only */
+
+	bnx2i_ring_dbell_update_sq_params(bnx2i_conn, 1);
+	return 0;
+}
+
+/**
+ * bnx2i_send_iscsi_tmf - post iSCSI task management request MP WQE to hardware
+ * @conn:	iscsi connection
+ * @mtask:	driver command structure which is requesting
+ *		a WQE to sent to chip for further processing
+ *
+ * prepare and post an iSCSI Login request WQE to CNIC firmware
+ */
+int bnx2i_send_iscsi_tmf(struct bnx2i_conn *bnx2i_conn,
+			 struct iscsi_task *mtask)
+{
+	struct iscsi_conn *conn = bnx2i_conn->cls_conn->dd_data;
+	struct iscsi_tm *tmfabort_hdr;
+	struct scsi_cmnd *ref_sc;
+	struct iscsi_task *ctask;
+	struct bnx2i_cmd *bnx2i_cmd;
+	struct bnx2i_tmf_request *tmfabort_wqe;
+	u32 dword;
+
+	bnx2i_cmd = (struct bnx2i_cmd *)mtask->dd_data;
+	tmfabort_hdr = (struct iscsi_tm *)mtask->hdr;
+	tmfabort_wqe = (struct bnx2i_tmf_request *)
+						bnx2i_conn->ep->qp.sq_prod_qe;
+
+	tmfabort_wqe->op_code = tmfabort_hdr->opcode;
+	tmfabort_wqe->op_attr = 0;
+	tmfabort_wqe->op_attr =
+		ISCSI_TMF_REQUEST_ALWAYS_ONE | ISCSI_TM_FUNC_ABORT_TASK;
+	tmfabort_wqe->lun[0] = be32_to_cpu(tmfabort_hdr->lun[0]);
+	tmfabort_wqe->lun[1] = be32_to_cpu(tmfabort_hdr->lun[1]);
+
+	tmfabort_wqe->itt = (mtask->itt | (ISCSI_TASK_TYPE_MPATH << 14));
+	tmfabort_wqe->reserved2 = 0;
+	tmfabort_wqe->cmd_sn = be32_to_cpu(tmfabort_hdr->cmdsn);
+
+	ctask = iscsi_itt_to_task(conn, tmfabort_hdr->rtt);
+	if (!ctask || ctask->sc)
+		/*
+		 * the iscsi layer must have completed the cmd while this
+		 * was starting up.
+		 */
+		return 0;
+	ref_sc = ctask->sc;
+
+	if (ref_sc->sc_data_direction == DMA_TO_DEVICE)
+		dword = (ISCSI_TASK_TYPE_WRITE << ISCSI_CMD_REQUEST_TYPE_SHIFT);
+	else
+		dword = (ISCSI_TASK_TYPE_READ << ISCSI_CMD_REQUEST_TYPE_SHIFT);
+	tmfabort_wqe->ref_itt = (dword | tmfabort_hdr->rtt);
+	tmfabort_wqe->ref_cmd_sn = be32_to_cpu(tmfabort_hdr->refcmdsn);
+
+	tmfabort_wqe->bd_list_addr_lo = (u32) bnx2i_conn->hba->mp_bd_dma;
+	tmfabort_wqe->bd_list_addr_hi = (u32)
+				((u64) bnx2i_conn->hba->mp_bd_dma >> 32);
+	tmfabort_wqe->num_bds = 1;
+	tmfabort_wqe->cq_index = 0; /* CQ# used for completion, 5771x only */
+
+	bnx2i_ring_dbell_update_sq_params(bnx2i_conn, 1);
+	return 0;
+}
+
+/**
+ * bnx2i_send_iscsi_scsicmd - post iSCSI scsicmd request WQE to hardware
+ * @conn:	iscsi connection
+ * @cmd:	driver command structure which is requesting
+ *		a WQE to sent to chip for further processing
+ *
+ * prepare and post an iSCSI SCSI-CMD request WQE to CNIC firmware
+ */
+int bnx2i_send_iscsi_scsicmd(struct bnx2i_conn *bnx2i_conn,
+			     struct bnx2i_cmd *cmd)
+{
+	struct bnx2i_cmd_request *scsi_cmd_wqe;
+
+	scsi_cmd_wqe = (struct bnx2i_cmd_request *)
+						bnx2i_conn->ep->qp.sq_prod_qe;
+	memcpy(scsi_cmd_wqe, &cmd->req, sizeof(struct bnx2i_cmd_request));
+	scsi_cmd_wqe->cq_index = 0; /* CQ# used for completion, 5771x only */
+
+	bnx2i_ring_dbell_update_sq_params(bnx2i_conn, 1);
+	return 0;
+}
+
+/**
+ * bnx2i_send_iscsi_nopout - post iSCSI NOPOUT request WQE to hardware
+ * @conn:		iscsi connection
+ * @cmd:		driver command structure which is requesting
+ *			a WQE to sent to chip for further processing
+ * @ttt:		TTT to be used when building pdu header
+ * @datap:		payload buffer pointer
+ * @data_len:		payload data length
+ * @unsol:		indicated whether nopout pdu is unsolicited pdu or
+ *			in response to target's NOPIN w/ TTT != FFFFFFFF
+ *
+ * prepare and post a nopout request WQE to CNIC firmware
+ */
+int bnx2i_send_iscsi_nopout(struct bnx2i_conn *bnx2i_conn,
+			    struct iscsi_task *task, u32 ttt,
+			    char *datap, int data_len, int unsol)
+{
+	struct bnx2i_endpoint *ep = bnx2i_conn->ep;
+	struct bnx2i_cmd *bnx2i_cmd;
+	struct bnx2i_nop_out_request *nopout_wqe;
+	struct iscsi_nopout *nopout_hdr;
+
+	bnx2i_cmd = (struct bnx2i_cmd *)task->dd_data;
+	nopout_hdr = (struct iscsi_nopout *)task->hdr;
+	nopout_wqe = (struct bnx2i_nop_out_request *)ep->qp.sq_prod_qe;
+	nopout_wqe->op_code = nopout_hdr->opcode;
+	nopout_wqe->op_attr = ISCSI_FLAG_CMD_FINAL;
+	memcpy(nopout_wqe->lun, nopout_hdr->lun, 8);
+
+	if (test_bit(BNX2I_NX2_DEV_57710, &ep->hba->cnic_dev_type)) {
+		u32 tmp = nopout_hdr->lun[0];
+		/* 57710 requires LUN field to be swapped */
+		nopout_hdr->lun[0] = nopout_hdr->lun[1];
+		nopout_hdr->lun[1] = tmp;
+	}
+
+	nopout_wqe->itt = ((u16)task->itt |
+			   (ISCSI_TASK_TYPE_MPATH <<
+			    ISCSI_TMF_REQUEST_TYPE_SHIFT));
+	nopout_wqe->ttt = ttt;
+	nopout_wqe->flags = 0;
+	if (!unsol)
+		nopout_wqe->flags = ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION;
+	else if (nopout_hdr->itt == RESERVED_ITT)
+		nopout_wqe->flags = ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION;
+
+	nopout_wqe->cmd_sn = be32_to_cpu(nopout_hdr->cmdsn);
+	nopout_wqe->data_length = data_len;
+	if (data_len) {
+		/* handle payload data, not required in first release */
+		printk(KERN_ALERT "NOPOUT: WARNING!! payload len != 0\n");
+	} else {
+		nopout_wqe->bd_list_addr_lo = (u32)
+					bnx2i_conn->hba->mp_bd_dma;
+		nopout_wqe->bd_list_addr_hi =
+			(u32) ((u64) bnx2i_conn->hba->mp_bd_dma >> 32);
+		nopout_wqe->num_bds = 1;
+	}
+	nopout_wqe->cq_index = 0; /* CQ# used for completion, 5771x only */
+
+	bnx2i_ring_dbell_update_sq_params(bnx2i_conn, 1);
+	return 0;
+}
+
+
+/**
+ * bnx2i_send_iscsi_logout - post iSCSI logout request WQE to hardware
+ * @conn:	iscsi connection
+ * @cmd:	driver command structure which is requesting
+ *		a WQE to sent to chip for further processing
+ *
+ * prepare and post logout request WQE to CNIC firmware
+ */
+int bnx2i_send_iscsi_logout(struct bnx2i_conn *bnx2i_conn,
+			    struct iscsi_task *task)
+{
+	struct bnx2i_cmd *bnx2i_cmd;
+	struct bnx2i_logout_request *logout_wqe;
+	struct iscsi_logout *logout_hdr;
+
+	bnx2i_cmd = (struct bnx2i_cmd *)task->dd_data;
+	logout_hdr = (struct iscsi_logout *)task->hdr;
+
+	logout_wqe = (struct bnx2i_logout_request *)
+						bnx2i_conn->ep->qp.sq_prod_qe;
+	memset(logout_wqe, 0x00, sizeof(struct bnx2i_logout_request));
+
+	logout_wqe->op_code = logout_hdr->opcode;
+	logout_wqe->cmd_sn = be32_to_cpu(logout_hdr->cmdsn);
+	logout_wqe->op_attr =
+			logout_hdr->flags | ISCSI_LOGOUT_REQUEST_ALWAYS_ONE;
+	logout_wqe->itt = ((u16)task->itt |
+			   (ISCSI_TASK_TYPE_MPATH <<
+			    ISCSI_LOGOUT_REQUEST_TYPE_SHIFT));
+	logout_wqe->data_length = 0;
+	logout_wqe->cid = 0;
+
+	logout_wqe->bd_list_addr_lo = (u32) bnx2i_conn->hba->mp_bd_dma;
+	logout_wqe->bd_list_addr_hi = (u32)
+				((u64) bnx2i_conn->hba->mp_bd_dma >> 32);
+	logout_wqe->num_bds = 1;
+	logout_wqe->cq_index = 0; /* CQ# used for completion, 5771x only */
+
+	bnx2i_ring_dbell_update_sq_params(bnx2i_conn, 1);
+	return 0;
+}
+
+
+/**
+ * bnx2i_update_iscsi_conn - post iSCSI logout request WQE to hardware
+ * @conn:	iscsi connection which requires iscsi parameter update
+ *
+ * sends down iSCSI Conn Update request to move iSCSI conn to FFP
+ */
+void bnx2i_update_iscsi_conn(struct iscsi_conn *conn)
+{
+	struct bnx2i_conn *bnx2i_conn = conn->dd_data;
+	struct bnx2i_hba *hba = bnx2i_conn->hba;
+	struct kwqe *kwqe_arr[2];
+	struct iscsi_kwqe_conn_update *update_wqe;
+	struct iscsi_kwqe_conn_update conn_update_kwqe;
+
+	update_wqe = &conn_update_kwqe;
+
+	update_wqe->hdr.op_code = ISCSI_KWQE_OPCODE_UPDATE_CONN;
+	update_wqe->hdr.flags =
+		(ISCSI_KWQE_LAYER_CODE << ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT);
+
+	/* 5771x requires conn context id to be passed as is */
+	if (test_bit(BNX2I_NX2_DEV_57710, &bnx2i_conn->ep->hba->cnic_dev_type))
+		update_wqe->context_id = bnx2i_conn->ep->ep_cid;
+	else
+		update_wqe->context_id = (bnx2i_conn->ep->ep_cid >> 7);
+	update_wqe->conn_flags = 0;
+	if (conn->hdrdgst_en)
+		update_wqe->conn_flags |= ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST;
+	if (conn->datadgst_en)
+		update_wqe->conn_flags |= ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST;
+	if (conn->session->initial_r2t_en)
+		update_wqe->conn_flags |= ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T;
+	if (conn->session->imm_data_en)
+		update_wqe->conn_flags |= ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA;
+
+	update_wqe->max_send_pdu_length = conn->max_xmit_dlength;
+	update_wqe->max_recv_pdu_length = conn->max_recv_dlength;
+	update_wqe->first_burst_length = conn->session->first_burst;
+	update_wqe->max_burst_length = conn->session->max_burst;
+	update_wqe->exp_stat_sn = conn->exp_statsn;
+	update_wqe->max_outstanding_r2ts = conn->session->max_r2t;
+	update_wqe->session_error_recovery_level = conn->session->erl;
+	iscsi_conn_printk(KERN_ALERT, conn,
+			  "bnx2i: conn update - MBL 0x%x FBL 0x%x"
+			  "MRDSL_I 0x%x MRDSL_T 0x%x \n",
+			  update_wqe->max_burst_length,
+			  update_wqe->first_burst_length,
+			  update_wqe->max_recv_pdu_length,
+			  update_wqe->max_send_pdu_length);
+
+	kwqe_arr[0] = (struct kwqe *) update_wqe;
+	if (hba->cnic && hba->cnic->submit_kwqes)
+		hba->cnic->submit_kwqes(hba->cnic, kwqe_arr, 1);
+}
+
+
+/**
+ * bnx2i_ep_ofld_timer - post iSCSI logout request WQE to hardware
+ * @data:	endpoint (transport handle) structure pointer
+ *
+ * routine to handle connection offload/destroy request timeout
+ */
+void bnx2i_ep_ofld_timer(unsigned long data)
+{
+	struct bnx2i_endpoint *ep = (struct bnx2i_endpoint *) data;
+
+	if (ep->state == EP_STATE_OFLD_START) {
+		printk(KERN_ALERT "ofld_timer: CONN_OFLD timeout\n");
+		ep->state = EP_STATE_OFLD_FAILED;
+	} else if (ep->state == EP_STATE_DISCONN_START) {
+		printk(KERN_ALERT "ofld_timer: CONN_DISCON timeout\n");
+		ep->state = EP_STATE_DISCONN_TIMEDOUT;
+	} else if (ep->state == EP_STATE_CLEANUP_START) {
+		printk(KERN_ALERT "ofld_timer: CONN_CLEANUP timeout\n");
+		ep->state = EP_STATE_CLEANUP_FAILED;
+	}
+
+	wake_up_interruptible(&ep->ofld_wait);
+}
+
+
+static int bnx2i_power_of2(u32 val)
+{
+	u32 power = 0;
+	if (val & (val - 1))
+		return power;
+	val--;
+	while (val) {
+		val = val >> 1;
+		power++;
+	}
+	return power;
+}
+
+
+/**
+ * bnx2i_send_cmd_cleanup_req - send iscsi cmd context clean-up request
+ * @hba:	adapter structure pointer
+ * @cmd:	driver command structure which is requesting
+ *		a WQE to sent to chip for further processing
+ *
+ * prepares and posts CONN_OFLD_REQ1/2 KWQE
+ */
+void bnx2i_send_cmd_cleanup_req(struct bnx2i_hba *hba, struct bnx2i_cmd *cmd)
+{
+	struct bnx2i_cleanup_request *cmd_cleanup;
+
+	cmd_cleanup =
+		(struct bnx2i_cleanup_request *)cmd->conn->ep->qp.sq_prod_qe;
+	memset(cmd_cleanup, 0x00, sizeof(struct bnx2i_cleanup_request));
+
+	cmd_cleanup->op_code = ISCSI_OPCODE_CLEANUP_REQUEST;
+	cmd_cleanup->itt = cmd->req.itt;
+	cmd_cleanup->cq_index = 0; /* CQ# used for completion, 5771x only */
+
+	bnx2i_ring_dbell_update_sq_params(cmd->conn, 1);
+}
+
+
+/**
+ * bnx2i_send_conn_destroy - initiates iscsi connection teardown process
+ * @hba:	adapter structure pointer
+ * @ep:		endpoint (transport indentifier) structure
+ *
+ * this routine prepares and posts CONN_OFLD_REQ1/2 KWQE to initiate
+ * 	iscsi connection context clean-up process
+ */
+void bnx2i_send_conn_destroy(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep)
+{
+	struct kwqe *kwqe_arr[2];
+	struct iscsi_kwqe_conn_destroy conn_cleanup;
+
+	memset(&conn_cleanup, 0x00, sizeof(struct iscsi_kwqe_conn_destroy));
+
+	conn_cleanup.hdr.op_code = ISCSI_KWQE_OPCODE_DESTROY_CONN;
+	conn_cleanup.hdr.flags =
+		(ISCSI_KWQE_LAYER_CODE << ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT);
+	/* 5771x requires conn context id to be passed as is */
+	if (test_bit(BNX2I_NX2_DEV_57710, &ep->hba->cnic_dev_type))
+		conn_cleanup.context_id = ep->ep_cid;
+	else
+		conn_cleanup.context_id = (ep->ep_cid >> 7);
+
+	conn_cleanup.reserved0 = (u16)ep->ep_iscsi_cid;
+
+	kwqe_arr[0] = (struct kwqe *) &conn_cleanup;
+	if (hba->cnic && hba->cnic->submit_kwqes)
+		hba->cnic->submit_kwqes(hba->cnic, kwqe_arr, 1);
+}
+
+
+/**
+ * bnx2i_570x_send_conn_ofld_req - initiates iscsi conn context setup process
+ * @hba: 		adapter structure pointer
+ * @ep: 		endpoint (transport indentifier) structure
+ *
+ * 5706/5708/5709 specific - prepares and posts CONN_OFLD_REQ1/2 KWQE
+ */
+static void bnx2i_570x_send_conn_ofld_req(struct bnx2i_hba *hba,
+					  struct bnx2i_endpoint *ep)
+{
+	struct kwqe *kwqe_arr[2];
+	struct iscsi_kwqe_conn_offload1 ofld_req1;
+	struct iscsi_kwqe_conn_offload2 ofld_req2;
+	dma_addr_t dma_addr;
+	int num_kwqes = 2;
+	u32 *ptbl;
+
+	ofld_req1.hdr.op_code = ISCSI_KWQE_OPCODE_OFFLOAD_CONN1;
+	ofld_req1.hdr.flags =
+		(ISCSI_KWQE_LAYER_CODE << ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT);
+
+	ofld_req1.iscsi_conn_id = (u16) ep->ep_iscsi_cid;
+
+	dma_addr = ep->qp.sq_pgtbl_phys;
+	ofld_req1.sq_page_table_addr_lo = (u32) dma_addr;
+	ofld_req1.sq_page_table_addr_hi = (u32) ((u64) dma_addr >> 32);
+
+	dma_addr = ep->qp.cq_pgtbl_phys;
+	ofld_req1.cq_page_table_addr_lo = (u32) dma_addr;
+	ofld_req1.cq_page_table_addr_hi = (u32) ((u64) dma_addr >> 32);
+
+	ofld_req2.hdr.op_code = ISCSI_KWQE_OPCODE_OFFLOAD_CONN2;
+	ofld_req2.hdr.flags =
+		(ISCSI_KWQE_LAYER_CODE << ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT);
+
+	dma_addr = ep->qp.rq_pgtbl_phys;
+	ofld_req2.rq_page_table_addr_lo = (u32) dma_addr;
+	ofld_req2.rq_page_table_addr_hi = (u32) ((u64) dma_addr >> 32);
+
+	ptbl = (u32 *) ep->qp.sq_pgtbl_virt;
+
+	ofld_req2.sq_first_pte.hi = *ptbl++;
+	ofld_req2.sq_first_pte.lo = *ptbl;
+
+	ptbl = (u32 *) ep->qp.cq_pgtbl_virt;
+	ofld_req2.cq_first_pte.hi = *ptbl++;
+	ofld_req2.cq_first_pte.lo = *ptbl;
+
+	kwqe_arr[0] = (struct kwqe *) &ofld_req1;
+	kwqe_arr[1] = (struct kwqe *) &ofld_req2;
+	ofld_req2.num_additional_wqes = 0;
+
+	if (hba->cnic && hba->cnic->submit_kwqes)
+		hba->cnic->submit_kwqes(hba->cnic, kwqe_arr, num_kwqes);
+}
+
+
+/**
+ * bnx2i_5771x_send_conn_ofld_req - initiates iscsi connection context creation
+ * @hba: 		adapter structure pointer
+ * @ep: 		endpoint (transport indentifier) structure
+ *
+ * 57710 specific - prepares and posts CONN_OFLD_REQ1/2 KWQE
+ */
+static void bnx2i_5771x_send_conn_ofld_req(struct bnx2i_hba *hba,
+					   struct bnx2i_endpoint *ep)
+{
+	struct kwqe *kwqe_arr[5];
+	struct iscsi_kwqe_conn_offload1 ofld_req1;
+	struct iscsi_kwqe_conn_offload2 ofld_req2;
+	struct iscsi_kwqe_conn_offload3 ofld_req3[1];
+	dma_addr_t dma_addr;
+	int num_kwqes = 2;
+	u32 *ptbl;
+
+	ofld_req1.hdr.op_code = ISCSI_KWQE_OPCODE_OFFLOAD_CONN1;
+	ofld_req1.hdr.flags =
+		(ISCSI_KWQE_LAYER_CODE << ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT);
+
+	ofld_req1.iscsi_conn_id = (u16) ep->ep_iscsi_cid;
+
+	dma_addr = ep->qp.sq_pgtbl_phys + ISCSI_SQ_DB_SIZE;
+	ofld_req1.sq_page_table_addr_lo = (u32) dma_addr;
+	ofld_req1.sq_page_table_addr_hi = (u32) ((u64) dma_addr >> 32);
+
+	dma_addr = ep->qp.cq_pgtbl_phys + ISCSI_CQ_DB_SIZE;
+	ofld_req1.cq_page_table_addr_lo = (u32) dma_addr;
+	ofld_req1.cq_page_table_addr_hi = (u32) ((u64) dma_addr >> 32);
+
+	ofld_req2.hdr.op_code = ISCSI_KWQE_OPCODE_OFFLOAD_CONN2;
+	ofld_req2.hdr.flags =
+		(ISCSI_KWQE_LAYER_CODE << ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT);
+
+	dma_addr = ep->qp.rq_pgtbl_phys + ISCSI_RQ_DB_SIZE;
+	ofld_req2.rq_page_table_addr_lo = (u32) dma_addr;
+	ofld_req2.rq_page_table_addr_hi = (u32) ((u64) dma_addr >> 32);
+
+	ptbl = (u32 *)((u8 *)ep->qp.sq_pgtbl_virt + ISCSI_SQ_DB_SIZE);
+	ofld_req2.sq_first_pte.hi = *ptbl++;
+	ofld_req2.sq_first_pte.lo = *ptbl;
+
+	ptbl = (u32 *)((u8 *)ep->qp.cq_pgtbl_virt + ISCSI_CQ_DB_SIZE);
+	ofld_req2.cq_first_pte.hi = *ptbl++;
+	ofld_req2.cq_first_pte.lo = *ptbl;
+
+	kwqe_arr[0] = (struct kwqe *) &ofld_req1;
+	kwqe_arr[1] = (struct kwqe *) &ofld_req2;
+
+	ofld_req2.num_additional_wqes = 1;
+	memset(ofld_req3, 0x00, sizeof(ofld_req3[0]));
+	ptbl = (u32 *)((u8 *)ep->qp.rq_pgtbl_virt + ISCSI_RQ_DB_SIZE);
+	ofld_req3[0].qp_first_pte[0].hi = *ptbl++;
+	ofld_req3[0].qp_first_pte[0].lo = *ptbl;
+
+	kwqe_arr[2] = (struct kwqe *) ofld_req3;
+	/* need if we decide to go with multiple KCQE's per conn */
+	num_kwqes += 1;
+
+	if (hba->cnic && hba->cnic->submit_kwqes)
+		hba->cnic->submit_kwqes(hba->cnic, kwqe_arr, num_kwqes);
+}
+
+/**
+ * bnx2i_send_conn_ofld_req - initiates iscsi connection context setup process
+ *
+ * @hba: 		adapter structure pointer
+ * @ep: 		endpoint (transport indentifier) structure
+ *
+ * this routine prepares and posts CONN_OFLD_REQ1/2 KWQE
+ */
+void bnx2i_send_conn_ofld_req(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep)
+{
+	if (test_bit(BNX2I_NX2_DEV_57710, &hba->cnic_dev_type))
+		bnx2i_5771x_send_conn_ofld_req(hba, ep);
+	else
+		bnx2i_570x_send_conn_ofld_req(hba, ep);
+}
+
+
+/**
+ * setup_qp_page_tables - iscsi QP page table setup function
+ * @ep:		endpoint (transport indentifier) structure
+ *
+ * Sets up page tables for SQ/RQ/CQ, 1G/sec (5706/5708/5709) devices requires
+ * 	64-bit address in big endian format. Whereas 10G/sec (57710) requires
+ * 	PT in little endian format
+ */
+static void setup_qp_page_tables(struct bnx2i_endpoint *ep)
+{
+	int num_pages;
+	u32 *ptbl;
+	dma_addr_t page;
+	int cnic_dev_10g;
+
+	if (test_bit(BNX2I_NX2_DEV_57710, &ep->hba->cnic_dev_type))
+		cnic_dev_10g = 1;
+	else
+		cnic_dev_10g = 0;
+
+	/* SQ page table */
+	memset(ep->qp.sq_pgtbl_virt, 0, ep->qp.sq_pgtbl_size);
+	num_pages = ep->qp.sq_mem_size / PAGE_SIZE;
+	page = ep->qp.sq_phys;
+
+	if (cnic_dev_10g)
+		ptbl = (u32 *)((u8 *)ep->qp.sq_pgtbl_virt + ISCSI_SQ_DB_SIZE);
+	else
+		ptbl = (u32 *) ep->qp.sq_pgtbl_virt;
+	while (num_pages--) {
+		if (cnic_dev_10g) {
+			/* PTE is written in little endian format for 57710 */
+			*ptbl = (u32) page;
+			ptbl++;
+			*ptbl = (u32) ((u64) page >> 32);
+			ptbl++;
+			page += PAGE_SIZE;
+		} else {
+			/* PTE is written in big endian format for
+			 * 5706/5708/5709 devices */
+			*ptbl = (u32) ((u64) page >> 32);
+			ptbl++;
+			*ptbl = (u32) page;
+			ptbl++;
+			page += PAGE_SIZE;
+		}
+	}
+
+	/* RQ page table */
+	memset(ep->qp.rq_pgtbl_virt, 0, ep->qp.rq_pgtbl_size);
+	num_pages = ep->qp.rq_mem_size / PAGE_SIZE;
+	page = ep->qp.rq_phys;
+
+	if (cnic_dev_10g)
+		ptbl = (u32 *)((u8 *)ep->qp.rq_pgtbl_virt + ISCSI_RQ_DB_SIZE);
+	else
+		ptbl = (u32 *) ep->qp.rq_pgtbl_virt;
+	while (num_pages--) {
+		if (cnic_dev_10g) {
+			/* PTE is written in little endian format for 57710 */
+			*ptbl = (u32) page;
+			ptbl++;
+			*ptbl = (u32) ((u64) page >> 32);
+			ptbl++;
+			page += PAGE_SIZE;
+		} else {
+			/* PTE is written in big endian format for
+			 * 5706/5708/5709 devices */
+			*ptbl = (u32) ((u64) page >> 32);
+			ptbl++;
+			*ptbl = (u32) page;
+			ptbl++;
+			page += PAGE_SIZE;
+		}
+	}
+
+	/* CQ page table */
+	memset(ep->qp.cq_pgtbl_virt, 0, ep->qp.cq_pgtbl_size);
+	num_pages = ep->qp.cq_mem_size / PAGE_SIZE;
+	page = ep->qp.cq_phys;
+
+	if (cnic_dev_10g)
+		ptbl = (u32 *)((u8 *)ep->qp.cq_pgtbl_virt + ISCSI_CQ_DB_SIZE);
+	else
+		ptbl = (u32 *) ep->qp.cq_pgtbl_virt;
+	while (num_pages--) {
+		if (cnic_dev_10g) {
+			/* PTE is written in little endian format for 57710 */
+			*ptbl = (u32) page;
+			ptbl++;
+			*ptbl = (u32) ((u64) page >> 32);
+			ptbl++;
+			page += PAGE_SIZE;
+		} else {
+			/* PTE is written in big endian format for
+			 * 5706/5708/5709 devices */
+			*ptbl = (u32) ((u64) page >> 32);
+			ptbl++;
+			*ptbl = (u32) page;
+			ptbl++;
+			page += PAGE_SIZE;
+		}
+	}
+}
+
+
+/**
+ * bnx2i_alloc_qp_resc - allocates required resources for QP.
+ * @hba:	adapter structure pointer
+ * @ep:		endpoint (transport indentifier) structure
+ *
+ * Allocate QP (transport layer for iSCSI connection) resources, DMA'able
+ *	memory for SQ/RQ/CQ and page tables. EP structure elements such
+ *	as producer/consumer indexes/pointers, queue sizes and page table
+ *	contents are setup
+ */
+int bnx2i_alloc_qp_resc(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep)
+{
+	struct bnx2i_5771x_cq_db *cq_db;
+
+	ep->hba = hba;
+	ep->conn = NULL;
+	ep->ep_cid = ep->ep_iscsi_cid = ep->ep_pg_cid = 0;
+
+	/* Allocate page table memory for SQ which is page aligned */
+	ep->qp.sq_mem_size = hba->max_sqes * BNX2I_SQ_WQE_SIZE;
+	ep->qp.sq_mem_size =
+		(ep->qp.sq_mem_size + (PAGE_SIZE - 1)) & PAGE_MASK;
+	ep->qp.sq_pgtbl_size =
+		(ep->qp.sq_mem_size / PAGE_SIZE) * sizeof(void *);
+	ep->qp.sq_pgtbl_size =
+		(ep->qp.sq_pgtbl_size + (PAGE_SIZE - 1)) & PAGE_MASK;
+
+	ep->qp.sq_pgtbl_virt =
+		dma_alloc_coherent(&hba->pcidev->dev, ep->qp.sq_pgtbl_size,
+				   &ep->qp.sq_pgtbl_phys, GFP_KERNEL);
+	if (!ep->qp.sq_pgtbl_virt) {
+		printk(KERN_ALERT "bnx2i: unable to alloc SQ PT mem (%d)\n",
+				  ep->qp.sq_pgtbl_size);
+		goto mem_alloc_err;
+	}
+
+	/* Allocate memory area for actual SQ element */
+	ep->qp.sq_virt =
+		dma_alloc_coherent(&hba->pcidev->dev, ep->qp.sq_mem_size,
+				   &ep->qp.sq_phys, GFP_KERNEL);
+	if (!ep->qp.sq_virt) {
+		printk(KERN_ALERT "bnx2i: unable to alloc SQ BD memory %d\n",
+				  ep->qp.sq_mem_size);
+		goto mem_alloc_err;
+	}
+
+	memset(ep->qp.sq_virt, 0x00, ep->qp.sq_mem_size);
+	ep->qp.sq_first_qe = ep->qp.sq_virt;
+	ep->qp.sq_prod_qe = ep->qp.sq_first_qe;
+	ep->qp.sq_cons_qe = ep->qp.sq_first_qe;
+	ep->qp.sq_last_qe = &ep->qp.sq_first_qe[hba->max_sqes - 1];
+	ep->qp.sq_prod_idx = 0;
+	ep->qp.sq_cons_idx = 0;
+	ep->qp.sqe_left = hba->max_sqes;
+
+	/* Allocate page table memory for CQ which is page aligned */
+	ep->qp.cq_mem_size = hba->max_cqes * BNX2I_CQE_SIZE;
+	ep->qp.cq_mem_size =
+		(ep->qp.cq_mem_size + (PAGE_SIZE - 1)) & PAGE_MASK;
+	ep->qp.cq_pgtbl_size =
+		(ep->qp.cq_mem_size / PAGE_SIZE) * sizeof(void *);
+	ep->qp.cq_pgtbl_size =
+		(ep->qp.cq_pgtbl_size + (PAGE_SIZE - 1)) & PAGE_MASK;
+
+	ep->qp.cq_pgtbl_virt =
+		dma_alloc_coherent(&hba->pcidev->dev, ep->qp.cq_pgtbl_size,
+				   &ep->qp.cq_pgtbl_phys, GFP_KERNEL);
+	if (!ep->qp.cq_pgtbl_virt) {
+		printk(KERN_ALERT "bnx2i: unable to alloc CQ PT memory %d\n",
+				  ep->qp.cq_pgtbl_size);
+		goto mem_alloc_err;
+	}
+
+	/* Allocate memory area for actual CQ element */
+	ep->qp.cq_virt =
+		dma_alloc_coherent(&hba->pcidev->dev, ep->qp.cq_mem_size,
+				   &ep->qp.cq_phys, GFP_KERNEL);
+	if (!ep->qp.cq_virt) {
+		printk(KERN_ALERT "bnx2i: unable to alloc CQ BD memory %d\n",
+				  ep->qp.cq_mem_size);
+		goto mem_alloc_err;
+	}
+	memset(ep->qp.cq_virt, 0x00, ep->qp.cq_mem_size);
+
+	ep->qp.cq_first_qe = ep->qp.cq_virt;
+	ep->qp.cq_prod_qe = ep->qp.cq_first_qe;
+	ep->qp.cq_cons_qe = ep->qp.cq_first_qe;
+	ep->qp.cq_last_qe = &ep->qp.cq_first_qe[hba->max_cqes - 1];
+	ep->qp.cq_prod_idx = 0;
+	ep->qp.cq_cons_idx = 0;
+	ep->qp.cqe_left = hba->max_cqes;
+	ep->qp.cqe_exp_seq_sn = ISCSI_INITIAL_SN;
+	ep->qp.cqe_size = hba->max_cqes;
+
+	/* Invalidate all EQ CQE index, req only for 57710 */
+	cq_db = (struct bnx2i_5771x_cq_db *) ep->qp.cq_pgtbl_virt;
+	memset(cq_db->sqn, 0xFF, sizeof(cq_db->sqn[0]) * BNX2X_MAX_CQS);
+
+	/* Allocate page table memory for RQ which is page aligned */
+	ep->qp.rq_mem_size = hba->max_rqes * BNX2I_RQ_WQE_SIZE;
+	ep->qp.rq_mem_size =
+		(ep->qp.rq_mem_size + (PAGE_SIZE - 1)) & PAGE_MASK;
+	ep->qp.rq_pgtbl_size =
+		(ep->qp.rq_mem_size / PAGE_SIZE) * sizeof(void *);
+	ep->qp.rq_pgtbl_size =
+		(ep->qp.rq_pgtbl_size + (PAGE_SIZE - 1)) & PAGE_MASK;
+
+	ep->qp.rq_pgtbl_virt =
+		dma_alloc_coherent(&hba->pcidev->dev, ep->qp.rq_pgtbl_size,
+				   &ep->qp.rq_pgtbl_phys, GFP_KERNEL);
+	if (!ep->qp.rq_pgtbl_virt) {
+		printk(KERN_ALERT "bnx2i: unable to alloc RQ PT mem %d\n",
+				  ep->qp.rq_pgtbl_size);
+		goto mem_alloc_err;
+	}
+
+	/* Allocate memory area for actual RQ element */
+	ep->qp.rq_virt =
+		dma_alloc_coherent(&hba->pcidev->dev, ep->qp.rq_mem_size,
+				   &ep->qp.rq_phys, GFP_KERNEL);
+	if (!ep->qp.rq_virt) {
+		printk(KERN_ALERT "bnx2i: unable to alloc RQ BD memory %d\n",
+				  ep->qp.rq_mem_size);
+		goto mem_alloc_err;
+	}
+
+	ep->qp.rq_first_qe = ep->qp.rq_virt;
+	ep->qp.rq_prod_qe = ep->qp.rq_first_qe;
+	ep->qp.rq_cons_qe = ep->qp.rq_first_qe;
+	ep->qp.rq_last_qe = &ep->qp.rq_first_qe[hba->max_rqes - 1];
+	ep->qp.rq_prod_idx = 0x8000;
+	ep->qp.rq_cons_idx = 0;
+	ep->qp.rqe_left = hba->max_rqes;
+
+	setup_qp_page_tables(ep);
+
+	return 0;
+
+mem_alloc_err:
+	bnx2i_free_qp_resc(hba, ep);
+	return -ENOMEM;
+}
+
+
+
+/**
+ * bnx2i_free_qp_resc - free memory resources held by QP
+ * @hba:	adapter structure pointer
+ * @ep:	endpoint (transport indentifier) structure
+ *
+ * Free QP resources - SQ/RQ/CQ memory and page tables.
+ */
+void bnx2i_free_qp_resc(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep)
+{
+	if (ep->qp.ctx_base) {
+		iounmap(ep->qp.ctx_base);
+		ep->qp.ctx_base = NULL;
+	}
+	/* Free SQ mem */
+	if (ep->qp.sq_pgtbl_virt) {
+		dma_free_coherent(&hba->pcidev->dev, ep->qp.sq_pgtbl_size,
+				  ep->qp.sq_pgtbl_virt, ep->qp.sq_pgtbl_phys);
+		ep->qp.sq_pgtbl_virt = NULL;
+		ep->qp.sq_pgtbl_phys = 0;
+	}
+	if (ep->qp.sq_virt) {
+		dma_free_coherent(&hba->pcidev->dev, ep->qp.sq_mem_size,
+				  ep->qp.sq_virt, ep->qp.sq_phys);
+		ep->qp.sq_virt = NULL;
+		ep->qp.sq_phys = 0;
+	}
+
+	/* Free RQ mem */
+	if (ep->qp.rq_pgtbl_virt) {
+		dma_free_coherent(&hba->pcidev->dev, ep->qp.rq_pgtbl_size,
+				  ep->qp.rq_pgtbl_virt, ep->qp.rq_pgtbl_phys);
+		ep->qp.rq_pgtbl_virt = NULL;
+		ep->qp.rq_pgtbl_phys = 0;
+	}
+	if (ep->qp.rq_virt) {
+		dma_free_coherent(&hba->pcidev->dev, ep->qp.rq_mem_size,
+				  ep->qp.rq_virt, ep->qp.rq_phys);
+		ep->qp.rq_virt = NULL;
+		ep->qp.rq_phys = 0;
+	}
+
+	/* Free CQ mem */
+	if (ep->qp.cq_pgtbl_virt) {
+		dma_free_coherent(&hba->pcidev->dev, ep->qp.cq_pgtbl_size,
+				  ep->qp.cq_pgtbl_virt, ep->qp.cq_pgtbl_phys);
+		ep->qp.cq_pgtbl_virt = NULL;
+		ep->qp.cq_pgtbl_phys = 0;
+	}
+	if (ep->qp.cq_virt) {
+		dma_free_coherent(&hba->pcidev->dev, ep->qp.cq_mem_size,
+				  ep->qp.cq_virt, ep->qp.cq_phys);
+		ep->qp.cq_virt = NULL;
+		ep->qp.cq_phys = 0;
+	}
+}
+
+
+/**
+ * bnx2i_send_fw_iscsi_init_msg - initiates initial handshake with iscsi f/w
+ * @hba:	adapter structure pointer
+ *
+ * Send down iscsi_init KWQEs which initiates the initial handshake with the f/w
+ * 	This results in iSCSi support validation and on-chip context manager
+ * 	initialization.  Firmware completes this handshake with a CQE carrying
+ * 	the result of iscsi support validation. Parameter carried by
+ * 	iscsi init request determines the number of offloaded connection and
+ * 	tolerance level for iscsi protocol violation this hba/chip can support
+ */
+int bnx2i_send_fw_iscsi_init_msg(struct bnx2i_hba *hba)
+{
+	struct kwqe *kwqe_arr[3];
+	struct iscsi_kwqe_init1 iscsi_init;
+	struct iscsi_kwqe_init2 iscsi_init2;
+	int rc = 0;
+	u64 mask64;
+
+	bnx2i_adjust_qp_size(hba);
+
+	iscsi_init.flags =
+		ISCSI_PAGE_SIZE_4K << ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT;
+	if (en_tcp_dack)
+		iscsi_init.flags |= ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE;
+	iscsi_init.reserved0 = 0;
+	iscsi_init.num_cqs = 1;
+	iscsi_init.hdr.op_code = ISCSI_KWQE_OPCODE_INIT1;
+	iscsi_init.hdr.flags =
+		(ISCSI_KWQE_LAYER_CODE << ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT);
+
+	iscsi_init.dummy_buffer_addr_lo = (u32) hba->dummy_buf_dma;
+	iscsi_init.dummy_buffer_addr_hi =
+		(u32) ((u64) hba->dummy_buf_dma >> 32);
+
+	hba->ctx_ccell_tasks =
+			((hba->num_ccell & 0xFFFF) | (hba->max_sqes << 16));
+	iscsi_init.num_ccells_per_conn = hba->num_ccell;
+	iscsi_init.num_tasks_per_conn = hba->max_sqes;
+	iscsi_init.sq_wqes_per_page = PAGE_SIZE / BNX2I_SQ_WQE_SIZE;
+	iscsi_init.sq_num_wqes = hba->max_sqes;
+	iscsi_init.cq_log_wqes_per_page =
+		(u8) bnx2i_power_of2(PAGE_SIZE / BNX2I_CQE_SIZE);
+	iscsi_init.cq_num_wqes = hba->max_cqes;
+	iscsi_init.cq_num_pages = (hba->max_cqes * BNX2I_CQE_SIZE +
+				   (PAGE_SIZE - 1)) / PAGE_SIZE;
+	iscsi_init.sq_num_pages = (hba->max_sqes * BNX2I_SQ_WQE_SIZE +
+				   (PAGE_SIZE - 1)) / PAGE_SIZE;
+	iscsi_init.rq_buffer_size = BNX2I_RQ_WQE_SIZE;
+	iscsi_init.rq_num_wqes = hba->max_rqes;
+
+
+	iscsi_init2.hdr.op_code = ISCSI_KWQE_OPCODE_INIT2;
+	iscsi_init2.hdr.flags =
+		(ISCSI_KWQE_LAYER_CODE << ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT);
+	iscsi_init2.max_cq_sqn = hba->max_cqes * 2 + 1;
+	mask64 = 0x0ULL;
+	mask64 |= (
+		/* CISCO MDS */
+		(1UL <<
+		  ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_NOT_RSRV) |
+		/* HP MSA1510i */
+		(1UL <<
+		  ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN) |
+		/* EMC */
+		(1ULL << ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN));
+	if (error_mask1)
+		iscsi_init2.error_bit_map[0] = error_mask1;
+	else
+		iscsi_init2.error_bit_map[0] = (u32) mask64;
+
+	if (error_mask2)
+		iscsi_init2.error_bit_map[1] = error_mask2;
+	else
+		iscsi_init2.error_bit_map[1] = (u32) (mask64 >> 32);
+
+	iscsi_error_mask = mask64;
+
+	kwqe_arr[0] = (struct kwqe *) &iscsi_init;
+	kwqe_arr[1] = (struct kwqe *) &iscsi_init2;
+
+	if (hba->cnic && hba->cnic->submit_kwqes)
+		rc = hba->cnic->submit_kwqes(hba->cnic, kwqe_arr, 2);
+	return rc;
+}
+
+
+/**
+ * bnx2i_process_scsi_cmd_resp - this function handles scsi cmd completion.
+ * @conn:	iscsi connection
+ * @cqe:	pointer to newly DMA'ed CQE entry for processing
+ *
+ * process SCSI CMD Response CQE & complete the request to SCSI-ML
+ */
+static int bnx2i_process_scsi_cmd_resp(struct iscsi_session *session,
+				       struct bnx2i_conn *bnx2i_conn,
+				       struct cqe *cqe)
+{
+	struct iscsi_conn *conn = bnx2i_conn->cls_conn->dd_data;
+	struct bnx2i_cmd_response *resp_cqe;
+	struct bnx2i_cmd *bnx2i_cmd;
+	struct iscsi_task *task;
+	struct iscsi_cmd_rsp *hdr;
+	u32 datalen = 0;
+
+	resp_cqe = (struct bnx2i_cmd_response *)cqe;
+	spin_lock(&session->lock);
+	task = iscsi_itt_to_task(conn,
+				 resp_cqe->itt & ISCSI_CMD_RESPONSE_INDEX);
+	if (!task)
+		goto fail;
+
+	bnx2i_cmd = task->dd_data;
+
+	if (bnx2i_cmd->req.op_attr & ISCSI_CMD_REQUEST_READ) {
+		conn->datain_pdus_cnt +=
+			resp_cqe->task_stat.read_stat.num_data_outs;
+		conn->rxdata_octets +=
+			bnx2i_cmd->req.total_data_transfer_length;
+	} else {
+		conn->dataout_pdus_cnt +=
+			resp_cqe->task_stat.read_stat.num_data_outs;
+		conn->r2t_pdus_cnt +=
+			resp_cqe->task_stat.read_stat.num_r2ts;
+		conn->txdata_octets +=
+			bnx2i_cmd->req.total_data_transfer_length;
+	}
+	bnx2i_iscsi_unmap_sg_list(bnx2i_cmd);
+
+	hdr = (struct iscsi_cmd_rsp *)task->hdr;
+	resp_cqe = (struct bnx2i_cmd_response *)cqe;
+	hdr->opcode = resp_cqe->op_code;
+	hdr->max_cmdsn = cpu_to_be32(resp_cqe->max_cmd_sn);
+	hdr->exp_cmdsn = cpu_to_be32(resp_cqe->exp_cmd_sn);
+	hdr->response = resp_cqe->response;
+	hdr->cmd_status = resp_cqe->status;
+	hdr->flags = resp_cqe->response_flags;
+	hdr->residual_count = cpu_to_be32(resp_cqe->residual_count);
+
+	if (resp_cqe->op_code == ISCSI_OP_SCSI_DATA_IN)
+		goto done;
+
+	if (resp_cqe->status == SAM_STAT_CHECK_CONDITION) {
+		datalen = resp_cqe->data_length;
+		if (datalen < 2)
+			goto done;
+
+		if (datalen > BNX2I_RQ_WQE_SIZE) {
+			iscsi_conn_printk(KERN_ERR, conn,
+					  "sense data len %d > RQ sz\n",
+					  datalen);
+			datalen = BNX2I_RQ_WQE_SIZE;
+		} else if (datalen > ISCSI_DEF_MAX_RECV_SEG_LEN) {
+			iscsi_conn_printk(KERN_ERR, conn,
+					  "sense data len %d > conn data\n",
+					  datalen);
+			datalen = ISCSI_DEF_MAX_RECV_SEG_LEN;
+		}
+
+		bnx2i_get_rq_buf(bnx2i_cmd->conn, conn->data, datalen);
+		bnx2i_put_rq_buf(bnx2i_cmd->conn, 1);
+	}
+
+done:
+	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr,
+			     conn->data, datalen);
+fail:
+	spin_unlock(&session->lock);
+	return 0;
+}
+
+
+/**
+ * bnx2i_process_login_resp - this function handles iscsi login response
+ * @session:		iscsi session pointer
+ * @bnx2i_conn:		iscsi connection pointer
+ * @cqe:		pointer to newly DMA'ed CQE entry for processing
+ *
+ * process Login Response CQE & complete it to open-iscsi user daemon
+ */
+static int bnx2i_process_login_resp(struct iscsi_session *session,
+				    struct bnx2i_conn *bnx2i_conn,
+				    struct cqe *cqe)
+{
+	struct iscsi_conn *conn = bnx2i_conn->cls_conn->dd_data;
+	struct iscsi_task *task;
+	struct bnx2i_login_response *login;
+	struct iscsi_login_rsp *resp_hdr;
+	int pld_len;
+	int pad_len;
+
+	login = (struct bnx2i_login_response *) cqe;
+	spin_lock(&session->lock);
+	task = iscsi_itt_to_task(conn,
+				 login->itt & ISCSI_LOGIN_RESPONSE_INDEX);
+	if (!task)
+		goto done;
+
+	resp_hdr = (struct iscsi_login_rsp *) &bnx2i_conn->gen_pdu.resp_hdr;
+	memset(resp_hdr, 0, sizeof(struct iscsi_hdr));
+	resp_hdr->opcode = login->op_code;
+	resp_hdr->flags = login->response_flags;
+	resp_hdr->max_version = login->version_max;
+	resp_hdr->active_version = login->version_active;;
+	resp_hdr->hlength = 0;
+
+	hton24(resp_hdr->dlength, login->data_length);
+	memcpy(resp_hdr->isid, &login->isid_lo, 6);
+	resp_hdr->tsih = cpu_to_be16(login->tsih);
+	resp_hdr->itt = task->hdr->itt;
+	resp_hdr->statsn = cpu_to_be32(login->stat_sn);
+	resp_hdr->exp_cmdsn = cpu_to_be32(login->exp_cmd_sn);
+	resp_hdr->max_cmdsn = cpu_to_be32(login->max_cmd_sn);
+	resp_hdr->status_class = login->status_class;
+	resp_hdr->status_detail = login->status_detail;
+	pld_len = login->data_length;
+	bnx2i_conn->gen_pdu.resp_wr_ptr =
+					bnx2i_conn->gen_pdu.resp_buf + pld_len;
+
+	pad_len = 0;
+	if (pld_len & 0x3)
+		pad_len = 4 - (pld_len % 4);
+
+	if (pad_len) {
+		int i = 0;
+		for (i = 0; i < pad_len; i++) {
+			bnx2i_conn->gen_pdu.resp_wr_ptr[0] = 0;
+			bnx2i_conn->gen_pdu.resp_wr_ptr++;
+		}
+	}
+
+	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr,
+		bnx2i_conn->gen_pdu.resp_buf,
+		bnx2i_conn->gen_pdu.resp_wr_ptr - bnx2i_conn->gen_pdu.resp_buf);
+done:
+	spin_unlock(&session->lock);
+	return 0;
+}
+
+/**
+ * bnx2i_process_tmf_resp - this function handles iscsi TMF response
+ * @session:		iscsi session pointer
+ * @bnx2i_conn:		iscsi connection pointer
+ * @cqe:		pointer to newly DMA'ed CQE entry for processing
+ *
+ * process iSCSI TMF Response CQE and wake up the driver eh thread.
+ */
+static int bnx2i_process_tmf_resp(struct iscsi_session *session,
+				  struct bnx2i_conn *bnx2i_conn,
+				  struct cqe *cqe)
+{
+	struct iscsi_conn *conn = bnx2i_conn->cls_conn->dd_data;
+	struct iscsi_task *task;
+	struct bnx2i_tmf_response *tmf_cqe;
+	struct iscsi_tm_rsp *resp_hdr;
+
+	tmf_cqe = (struct bnx2i_tmf_response *)cqe;
+	spin_lock(&session->lock);
+	task = iscsi_itt_to_task(conn,
+				 tmf_cqe->itt & ISCSI_TMF_RESPONSE_INDEX);
+	if (!task)
+		goto done;
+
+	resp_hdr = (struct iscsi_tm_rsp *) &bnx2i_conn->gen_pdu.resp_hdr;
+	memset(resp_hdr, 0, sizeof(struct iscsi_hdr));
+	resp_hdr->opcode = tmf_cqe->op_code;
+	resp_hdr->max_cmdsn = cpu_to_be32(tmf_cqe->max_cmd_sn);
+	resp_hdr->exp_cmdsn = cpu_to_be32(tmf_cqe->exp_cmd_sn);
+	resp_hdr->itt = task->hdr->itt;
+	resp_hdr->response = tmf_cqe->response;
+
+	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr, NULL, 0);
+done:
+	spin_unlock(&session->lock);
+	return 0;
+}
+
+/**
+ * bnx2i_process_logout_resp - this function handles iscsi logout response
+ * @session:		iscsi session pointer
+ * @bnx2i_conn:		iscsi connection pointer
+ * @cqe:		pointer to newly DMA'ed CQE entry for processing
+ *
+ * process iSCSI Logout Response CQE & make function call to
+ * notify the user daemon.
+ */
+static int bnx2i_process_logout_resp(struct iscsi_session *session,
+				     struct bnx2i_conn *bnx2i_conn,
+				     struct cqe *cqe)
+{
+	struct iscsi_conn *conn = bnx2i_conn->cls_conn->dd_data;
+	struct iscsi_task *task;
+	struct bnx2i_logout_response *logout;
+	struct iscsi_logout_rsp *resp_hdr;
+
+	logout = (struct bnx2i_logout_response *) cqe;
+	spin_lock(&session->lock);
+	task = iscsi_itt_to_task(conn,
+				 logout->itt & ISCSI_LOGOUT_RESPONSE_INDEX);
+	if (!task)
+		goto done;
+
+	resp_hdr = (struct iscsi_logout_rsp *) &bnx2i_conn->gen_pdu.resp_hdr;
+	memset(resp_hdr, 0, sizeof(struct iscsi_hdr));
+	resp_hdr->opcode = logout->op_code;
+	resp_hdr->flags = logout->response;
+	resp_hdr->hlength = 0;
+
+	resp_hdr->itt = task->hdr->itt;
+	resp_hdr->statsn = task->hdr->exp_statsn;
+	resp_hdr->exp_cmdsn = cpu_to_be32(logout->exp_cmd_sn);
+	resp_hdr->max_cmdsn = cpu_to_be32(logout->max_cmd_sn);
+
+	resp_hdr->t2wait = cpu_to_be32(logout->time_to_wait);
+	resp_hdr->t2retain = cpu_to_be32(logout->time_to_retain);
+
+	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr, NULL, 0);
+done:
+	spin_unlock(&session->lock);
+	return 0;
+}
+
+/**
+ * bnx2i_process_nopin_local_cmpl - this function handles iscsi nopin CQE
+ * @session:		iscsi session pointer
+ * @bnx2i_conn:		iscsi connection pointer
+ * @cqe:		pointer to newly DMA'ed CQE entry for processing
+ *
+ * process iSCSI NOPIN local completion CQE, frees IIT and command structures
+ */
+static void bnx2i_process_nopin_local_cmpl(struct iscsi_session *session,
+					   struct bnx2i_conn *bnx2i_conn,
+					   struct cqe *cqe)
+{
+	struct iscsi_conn *conn = bnx2i_conn->cls_conn->dd_data;
+	struct bnx2i_nop_in_msg *nop_in;
+	struct iscsi_task *task;
+
+	nop_in = (struct bnx2i_nop_in_msg *)cqe;
+	spin_lock(&session->lock);
+	task = iscsi_itt_to_task(conn,
+				 nop_in->itt & ISCSI_NOP_IN_MSG_INDEX);
+	if (task)
+		iscsi_put_task(task);
+	spin_unlock(&session->lock);
+}
+
+/**
+ * bnx2i_unsol_pdu_adjust_rq - makes adjustments to RQ after unsol pdu is recvd
+ * @conn:	iscsi connection
+ *
+ * Firmware advances RQ producer index for every unsolicited PDU even if
+ *	payload data length is '0'. This function makes corresponding
+ *	adjustments on the driver side to match this f/w behavior
+ */
+static void bnx2i_unsol_pdu_adjust_rq(struct bnx2i_conn *bnx2i_conn)
+{
+	char dummy_rq_data[2];
+	bnx2i_get_rq_buf(bnx2i_conn, dummy_rq_data, 1);
+	bnx2i_put_rq_buf(bnx2i_conn, 1);
+}
+
+
+/**
+ * bnx2i_process_nopin_mesg - this function handles iscsi nopin CQE
+ * @session:		iscsi session pointer
+ * @bnx2i_conn:		iscsi connection pointer
+ * @cqe:		pointer to newly DMA'ed CQE entry for processing
+ *
+ * process iSCSI target's proactive iSCSI NOPIN request
+ */
+static int bnx2i_process_nopin_mesg(struct iscsi_session *session,
+				     struct bnx2i_conn *bnx2i_conn,
+				     struct cqe *cqe)
+{
+	struct iscsi_conn *conn = bnx2i_conn->cls_conn->dd_data;
+	struct iscsi_task *task;
+	struct bnx2i_nop_in_msg *nop_in;
+	struct iscsi_nopin *hdr;
+	u32 itt;
+	int tgt_async_nop = 0;
+
+	nop_in = (struct bnx2i_nop_in_msg *)cqe;
+	itt = nop_in->itt & ISCSI_NOP_IN_MSG_INDEX;
+
+	spin_lock(&session->lock);
+	hdr = (struct iscsi_nopin *)&bnx2i_conn->gen_pdu.resp_hdr;
+	memset(hdr, 0, sizeof(struct iscsi_hdr));
+	hdr->opcode = nop_in->op_code;
+	hdr->max_cmdsn = cpu_to_be32(nop_in->max_cmd_sn);
+	hdr->exp_cmdsn = cpu_to_be32(nop_in->exp_cmd_sn);
+	hdr->ttt = cpu_to_be32(nop_in->ttt);
+
+	if (itt == (u16) RESERVED_ITT) {
+		bnx2i_unsol_pdu_adjust_rq(bnx2i_conn);
+		hdr->itt = RESERVED_ITT;
+		tgt_async_nop = 1;
+		goto done;
+	}
+
+	/* this is a response to one of our nop-outs */
+	task = iscsi_itt_to_task(conn, itt);
+	if (task) {
+		hdr->flags = ISCSI_FLAG_CMD_FINAL;
+		hdr->itt = task->hdr->itt;
+		hdr->ttt = cpu_to_be32(nop_in->ttt);
+		memcpy(hdr->lun, nop_in->lun, 8);
+	}
+done:
+	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr, NULL, 0);
+	spin_unlock(&session->lock);
+
+	return tgt_async_nop;
+}
+
+
+/**
+ * bnx2i_process_async_mesg - this function handles iscsi async message
+ * @session:		iscsi session pointer
+ * @bnx2i_conn:		iscsi connection pointer
+ * @cqe:		pointer to newly DMA'ed CQE entry for processing
+ *
+ * process iSCSI ASYNC Message
+ */
+static void bnx2i_process_async_mesg(struct iscsi_session *session,
+				     struct bnx2i_conn *bnx2i_conn,
+				     struct cqe *cqe)
+{
+	struct bnx2i_async_msg *async_cqe;
+	struct iscsi_async *resp_hdr;
+	u8 async_event;
+
+	bnx2i_unsol_pdu_adjust_rq(bnx2i_conn);
+
+	async_cqe = (struct bnx2i_async_msg *)cqe;
+	async_event = async_cqe->async_event;
+
+	if (async_event == ISCSI_ASYNC_MSG_SCSI_EVENT) {
+		iscsi_conn_printk(KERN_ALERT, bnx2i_conn->cls_conn->dd_data,
+				  "async: scsi events not supported\n");
+		return;
+	}
+
+	spin_lock(&session->lock);
+	resp_hdr = (struct iscsi_async *) &bnx2i_conn->gen_pdu.resp_hdr;
+	memset(resp_hdr, 0, sizeof(struct iscsi_hdr));
+	resp_hdr->opcode = async_cqe->op_code;
+	resp_hdr->flags = 0x80;
+
+	memcpy(resp_hdr->lun, async_cqe->lun, 8);
+	resp_hdr->exp_cmdsn = cpu_to_be32(async_cqe->exp_cmd_sn);
+	resp_hdr->max_cmdsn = cpu_to_be32(async_cqe->max_cmd_sn);
+
+	resp_hdr->async_event = async_cqe->async_event;
+	resp_hdr->async_vcode = async_cqe->async_vcode;
+
+	resp_hdr->param1 = cpu_to_be16(async_cqe->param1);
+	resp_hdr->param2 = cpu_to_be16(async_cqe->param2);
+	resp_hdr->param3 = cpu_to_be16(async_cqe->param3);
+
+	__iscsi_complete_pdu(bnx2i_conn->cls_conn->dd_data,
+			     (struct iscsi_hdr *)resp_hdr, NULL, 0);
+	spin_unlock(&session->lock);
+}
+
+
+/**
+ * bnx2i_process_reject_mesg - process iscsi reject pdu
+ * @session:		iscsi session pointer
+ * @bnx2i_conn:		iscsi connection pointer
+ * @cqe:		pointer to newly DMA'ed CQE entry for processing
+ *
+ * process iSCSI REJECT message
+ */
+static void bnx2i_process_reject_mesg(struct iscsi_session *session,
+				      struct bnx2i_conn *bnx2i_conn,
+				      struct cqe *cqe)
+{
+	struct iscsi_conn *conn = bnx2i_conn->cls_conn->dd_data;
+	struct bnx2i_reject_msg *reject;
+	struct iscsi_reject *hdr;
+
+	reject = (struct bnx2i_reject_msg *) cqe;
+	if (reject->data_length) {
+		bnx2i_get_rq_buf(bnx2i_conn, conn->data, reject->data_length);
+		bnx2i_put_rq_buf(bnx2i_conn, 1);
+	} else
+		bnx2i_unsol_pdu_adjust_rq(bnx2i_conn);
+
+	spin_lock(&session->lock);
+	hdr = (struct iscsi_reject *) &bnx2i_conn->gen_pdu.resp_hdr;
+	memset(hdr, 0, sizeof(struct iscsi_hdr));
+	hdr->opcode = reject->op_code;
+	hdr->reason = reject->reason;
+	hton24(hdr->dlength, reject->data_length);
+	hdr->max_cmdsn = cpu_to_be32(reject->max_cmd_sn);
+	hdr->exp_cmdsn = cpu_to_be32(reject->exp_cmd_sn);
+	hdr->ffffffff = cpu_to_be32(RESERVED_ITT);
+	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr, conn->data,
+			     reject->data_length);
+	spin_unlock(&session->lock);
+}
+
+/**
+ * bnx2i_process_cmd_cleanup_resp - process scsi command clean-up completion
+ * @session:		iscsi session pointer
+ * @bnx2i_conn:		iscsi connection pointer
+ * @cqe:		pointer to newly DMA'ed CQE entry for processing
+ *
+ * process command cleanup response CQE during conn shutdown or error recovery
+ */
+static void bnx2i_process_cmd_cleanup_resp(struct iscsi_session *session,
+					   struct bnx2i_conn *bnx2i_conn,
+					   struct cqe *cqe)
+{
+	struct bnx2i_cleanup_response *cmd_clean_rsp;
+	struct iscsi_conn *conn = bnx2i_conn->cls_conn->dd_data;
+	struct iscsi_task *task;
+
+	cmd_clean_rsp = (struct bnx2i_cleanup_response *)cqe;
+	spin_lock(&session->lock);
+	task = iscsi_itt_to_task(conn,
+			cmd_clean_rsp->itt & ISCSI_CLEANUP_RESPONSE_INDEX);
+	if (!task)
+		printk(KERN_ALERT "bnx2i: cmd clean ITT %x not active\n",
+			cmd_clean_rsp->itt & ISCSI_CLEANUP_RESPONSE_INDEX);
+	spin_unlock(&session->lock);
+	complete(&bnx2i_conn->cmd_cleanup_cmpl);
+}
+
+
+
+/**
+ * bnx2i_process_new_cqes - process newly DMA'ed CQE's
+ * @bnx2i_conn:		iscsi connection
+ *
+ * this function is called by generic KCQ handler to process all pending CQE's
+ */
+static void bnx2i_process_new_cqes(struct bnx2i_conn *bnx2i_conn)
+{
+	struct iscsi_conn *conn = bnx2i_conn->cls_conn->dd_data;
+	struct iscsi_session *session = conn->session;
+	struct qp_info *qp = &bnx2i_conn->ep->qp;
+	struct bnx2i_nop_in_msg *nopin;
+	int tgt_async_msg;
+
+	while (1) {
+		nopin = (struct bnx2i_nop_in_msg *) qp->cq_cons_qe;
+		if (nopin->cq_req_sn != qp->cqe_exp_seq_sn)
+			break;
+
+		if (unlikely(test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx)))
+			break;
+
+		tgt_async_msg = 0;
+
+		switch (nopin->op_code) {
+		case ISCSI_OP_SCSI_CMD_RSP:
+		case ISCSI_OP_SCSI_DATA_IN:
+			bnx2i_process_scsi_cmd_resp(session, bnx2i_conn,
+						    qp->cq_cons_qe);
+			break;
+		case ISCSI_OP_LOGIN_RSP:
+			bnx2i_process_login_resp(session, bnx2i_conn,
+						 qp->cq_cons_qe);
+			break;
+		case ISCSI_OP_SCSI_TMFUNC_RSP:
+			bnx2i_process_tmf_resp(session, bnx2i_conn,
+					       qp->cq_cons_qe);
+			break;
+		case ISCSI_OP_LOGOUT_RSP:
+			bnx2i_process_logout_resp(session, bnx2i_conn,
+						  qp->cq_cons_qe);
+			break;
+		case ISCSI_OP_NOOP_IN:
+			if (bnx2i_process_nopin_mesg(session, bnx2i_conn,
+						     qp->cq_cons_qe))
+				tgt_async_msg = 1;
+			break;
+		case ISCSI_OPCODE_NOPOUT_LOCAL_COMPLETION:
+			bnx2i_process_nopin_local_cmpl(session, bnx2i_conn,
+						       qp->cq_cons_qe);
+			break;
+		case ISCSI_OP_ASYNC_EVENT:
+			bnx2i_process_async_mesg(session, bnx2i_conn,
+						 qp->cq_cons_qe);
+			tgt_async_msg = 1;
+			break;
+		case ISCSI_OP_REJECT:
+			bnx2i_process_reject_mesg(session, bnx2i_conn,
+						  qp->cq_cons_qe);
+			break;
+		case ISCSI_OPCODE_CLEANUP_RESPONSE:
+			bnx2i_process_cmd_cleanup_resp(session, bnx2i_conn,
+						       qp->cq_cons_qe);
+			break;
+		default:
+			printk(KERN_ALERT "bnx2i: unknown opcode 0x%x\n",
+					  nopin->op_code);
+		}
+
+		if (!tgt_async_msg)
+			bnx2i_conn->ep->num_active_cmds--;
+
+		/* clear out in production version only, till beta keep opcode
+		 * field intact, will be helpful in debugging (context dump)
+		 * nopin->op_code = 0;
+		 */
+		qp->cqe_exp_seq_sn++;
+		if (qp->cqe_exp_seq_sn == (qp->cqe_size * 2 + 1))
+			qp->cqe_exp_seq_sn = ISCSI_INITIAL_SN;
+
+		if (qp->cq_cons_qe == qp->cq_last_qe) {
+			qp->cq_cons_qe = qp->cq_first_qe;
+			qp->cq_cons_idx = 0;
+		} else {
+			qp->cq_cons_qe++;
+			qp->cq_cons_idx++;
+		}
+	}
+	bnx2i_arm_cq_event_coalescing(bnx2i_conn->ep, CNIC_ARM_CQE);
+}
+
+/**
+ * bnx2i_fastpath_notification - process global event queue (KCQ)
+ * @hba:		adapter structure pointer
+ * @new_cqe_kcqe:	pointer to newly DMA'ed KCQE entry
+ *
+ * Fast path event notification handler, KCQ entry carries context id
+ *	of the connection that has 1 or more pending CQ entries
+ */
+static void bnx2i_fastpath_notification(struct bnx2i_hba *hba,
+					struct iscsi_kcqe *new_cqe_kcqe)
+{
+	struct bnx2i_conn *conn;
+	u32 iscsi_cid;
+
+	iscsi_cid = new_cqe_kcqe->iscsi_conn_id;
+	conn = bnx2i_get_conn_from_id(hba, iscsi_cid);
+
+	if (!conn) {
+		printk(KERN_ALERT "cid #%x not valid\n", iscsi_cid);
+		return;
+	}
+	if (!conn->ep) {
+		printk(KERN_ALERT "cid #%x - ep not bound\n", iscsi_cid);
+		return;
+	}
+
+	bnx2i_process_new_cqes(conn);
+}
+
+
+/**
+ * bnx2i_process_update_conn_cmpl - process iscsi conn update completion KCQE
+ * @hba:		adapter structure pointer
+ * @update_kcqe:	kcqe pointer
+ *
+ * CONN_UPDATE completion handler, this completes iSCSI connection FFP migration
+ */
+static void bnx2i_process_update_conn_cmpl(struct bnx2i_hba *hba,
+					   struct iscsi_kcqe *update_kcqe)
+{
+	struct bnx2i_conn *conn;
+	u32 iscsi_cid;
+
+	iscsi_cid = update_kcqe->iscsi_conn_id;
+	conn = bnx2i_get_conn_from_id(hba, iscsi_cid);
+
+	if (!conn) {
+		printk(KERN_ALERT "conn_update: cid %x not valid\n", iscsi_cid);
+		return;
+	}
+	if (!conn->ep) {
+		printk(KERN_ALERT "cid %x does not have ep bound\n", iscsi_cid);
+		return;
+	}
+
+	if (update_kcqe->completion_status) {
+		printk(KERN_ALERT "request failed cid %x\n", iscsi_cid);
+		conn->ep->state = EP_STATE_ULP_UPDATE_FAILED;
+	} else
+		conn->ep->state = EP_STATE_ULP_UPDATE_COMPL;
+
+	wake_up_interruptible(&conn->ep->ofld_wait);
+}
+
+
+/**
+ * bnx2i_recovery_que_add_conn - add connection to recovery queue
+ * @hba:		adapter structure pointer
+ * @bnx2i_conn:		iscsi connection
+ *
+ * Add connection to recovery queue and schedule adapter eh worker
+ */
+static void bnx2i_recovery_que_add_conn(struct bnx2i_hba *hba,
+					struct bnx2i_conn *bnx2i_conn)
+{
+	iscsi_conn_failure(bnx2i_conn->cls_conn->dd_data,
+			   ISCSI_ERR_CONN_FAILED);
+}
+
+
+/**
+ * bnx2i_process_tcp_error - process error notification on a given connection
+ *
+ * @hba: 		adapter structure pointer
+ * @tcp_err: 		tcp error kcqe pointer
+ *
+ * handles tcp level error notifications from FW.
+ */
+static void bnx2i_process_tcp_error(struct bnx2i_hba *hba,
+				    struct iscsi_kcqe *tcp_err)
+{
+	struct bnx2i_conn *bnx2i_conn;
+	u32 iscsi_cid;
+
+	iscsi_cid = tcp_err->iscsi_conn_id;
+	bnx2i_conn = bnx2i_get_conn_from_id(hba, iscsi_cid);
+
+	if (!bnx2i_conn) {
+		printk(KERN_ALERT "bnx2i - cid 0x%x not valid\n", iscsi_cid);
+		return;
+	}
+
+	printk(KERN_ALERT "bnx2i - cid 0x%x had TCP errors, error code 0x%x\n",
+			  iscsi_cid, tcp_err->completion_status);
+	bnx2i_recovery_que_add_conn(bnx2i_conn->hba, bnx2i_conn);
+}
+
+
+/**
+ * bnx2i_process_iscsi_error - process error notification on a given connection
+ * @hba:		adapter structure pointer
+ * @iscsi_err:		iscsi error kcqe pointer
+ *
+ * handles iscsi error notifications from the FW. Firmware based in initial
+ *	handshake classifies iscsi protocol / TCP rfc violation into either
+ *	warning or error indications. If indication is of "Error" type, driver
+ *	will initiate session recovery for that connection/session. For
+ *	"Warning" type indication, driver will put out a system log message
+ *	(there will be only one message for each type for the life of the
+ *	session, this is to avoid un-necessarily overloading the system)
+ */
+static void bnx2i_process_iscsi_error(struct bnx2i_hba *hba,
+				      struct iscsi_kcqe *iscsi_err)
+{
+	struct bnx2i_conn *bnx2i_conn;
+	u32 iscsi_cid;
+	char warn_notice[] = "iscsi_warning";
+	char error_notice[] = "iscsi_error";
+	char additional_notice[64];
+	char *message;
+	int need_recovery;
+	u64 err_mask64;
+
+	iscsi_cid = iscsi_err->iscsi_conn_id;
+	bnx2i_conn = bnx2i_get_conn_from_id(hba, iscsi_cid);
+	if (!bnx2i_conn) {
+		printk(KERN_ALERT "bnx2i - cid 0x%x not valid\n", iscsi_cid);
+		return;
+	}
+
+	err_mask64 = (0x1ULL << iscsi_err->completion_status);
+
+	if (err_mask64 & iscsi_error_mask) {
+		need_recovery = 0;
+		message = warn_notice;
+	} else {
+		need_recovery = 1;
+		message = error_notice;
+	}
+
+	switch (iscsi_err->completion_status) {
+	case ISCSI_KCQE_COMPLETION_STATUS_HDR_DIG_ERR:
+		strcpy(additional_notice, "hdr digest err");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_DATA_DIG_ERR:
+		strcpy(additional_notice, "data digest err");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_OPCODE:
+		strcpy(additional_notice, "wrong opcode rcvd");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_AHS_LEN:
+		strcpy(additional_notice, "AHS len > 0 rcvd");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ITT:
+		strcpy(additional_notice, "invalid ITT rcvd");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_STATSN:
+		strcpy(additional_notice, "wrong StatSN rcvd");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN:
+		strcpy(additional_notice, "wrong DataSN rcvd");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T:
+		strcpy(additional_notice, "pend R2T violation");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_0:
+		strcpy(additional_notice, "ERL0, UO");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_1:
+		strcpy(additional_notice, "ERL0, U1");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_2:
+		strcpy(additional_notice, "ERL0, U2");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_3:
+		strcpy(additional_notice, "ERL0, U3");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_4:
+		strcpy(additional_notice, "ERL0, U4");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_5:
+		strcpy(additional_notice, "ERL0, U5");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_6:
+		strcpy(additional_notice, "ERL0, U6");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_RCV_LEN:
+		strcpy(additional_notice, "invalid resi len");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_RCV_PDU_LEN:
+		strcpy(additional_notice, "MRDSL violation");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_F_BIT_ZERO:
+		strcpy(additional_notice, "F-bit not set");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_NOT_RSRV:
+		strcpy(additional_notice, "invalid TTT");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATASN:
+		strcpy(additional_notice, "invalid DataSN");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_BURST_LEN:
+		strcpy(additional_notice, "burst len violation");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_BUFFER_OFF:
+		strcpy(additional_notice, "buf offset violation");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN:
+		strcpy(additional_notice, "invalid LUN field");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_R2TSN:
+		strcpy(additional_notice, "invalid R2TSN field");
+		break;
+#define BNX2I_ERR_DESIRED_DATA_TRNS_LEN_0 	\
+	ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0
+	case BNX2I_ERR_DESIRED_DATA_TRNS_LEN_0:
+		strcpy(additional_notice, "invalid cmd len1");
+		break;
+#define BNX2I_ERR_DESIRED_DATA_TRNS_LEN_1 	\
+	ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1
+	case BNX2I_ERR_DESIRED_DATA_TRNS_LEN_1:
+		strcpy(additional_notice, "invalid cmd len2");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_EXCEED:
+		strcpy(additional_notice,
+		       "pend r2t exceeds MaxOutstandingR2T value");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_IS_RSRV:
+		strcpy(additional_notice, "TTT is rsvd");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_BURST_LEN:
+		strcpy(additional_notice, "MBL violation");
+		break;
+#define BNX2I_ERR_DATA_SEG_LEN_NOT_ZERO 	\
+	ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_NOT_ZERO
+	case BNX2I_ERR_DATA_SEG_LEN_NOT_ZERO:
+		strcpy(additional_notice, "data seg len != 0");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REJECT_PDU_LEN:
+		strcpy(additional_notice, "reject pdu len error");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ASYNC_PDU_LEN:
+		strcpy(additional_notice, "async pdu len error");
+		break;
+	case ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_NOPIN_PDU_LEN:
+		strcpy(additional_notice, "nopin pdu len error");
+		break;
+#define BNX2_ERR_PEND_R2T_IN_CLEANUP			\
+	ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_IN_CLEANUP
+	case BNX2_ERR_PEND_R2T_IN_CLEANUP:
+		strcpy(additional_notice, "pend r2t in cleanup");
+		break;
+
+	case ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_FRAGMENT:
+		strcpy(additional_notice, "IP fragments rcvd");
+		break;
+	case ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_OPTIONS:
+		strcpy(additional_notice, "IP options error");
+		break;
+	case ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_URGENT_FLAG:
+		strcpy(additional_notice, "urgent flag error");
+		break;
+	default:
+		printk(KERN_ALERT "iscsi_err - unknown err %x\n",
+				  iscsi_err->completion_status);
+	}
+
+	if (need_recovery) {
+		iscsi_conn_printk(KERN_ALERT,
+				  bnx2i_conn->cls_conn->dd_data,
+				  "bnx2i: %s - %s\n",
+				  message, additional_notice);
+
+		iscsi_conn_printk(KERN_ALERT,
+				  bnx2i_conn->cls_conn->dd_data,
+				  "conn_err - hostno %d conn %p, "
+				  "iscsi_cid %x cid %x\n",
+				  bnx2i_conn->hba->shost->host_no,
+				  bnx2i_conn, bnx2i_conn->ep->ep_iscsi_cid,
+				  bnx2i_conn->ep->ep_cid);
+		bnx2i_recovery_que_add_conn(bnx2i_conn->hba, bnx2i_conn);
+	} else
+		if (!test_and_set_bit(iscsi_err->completion_status,
+				      (void *) &bnx2i_conn->violation_notified))
+			iscsi_conn_printk(KERN_ALERT,
+					  bnx2i_conn->cls_conn->dd_data,
+					  "bnx2i: %s - %s\n",
+					  message, additional_notice);
+}
+
+
+/**
+ * bnx2i_process_conn_destroy_cmpl - process iscsi conn destroy completion
+ * @hba:		adapter structure pointer
+ * @conn_destroy:	conn destroy kcqe pointer
+ *
+ * handles connection destroy completion request.
+ */
+static void bnx2i_process_conn_destroy_cmpl(struct bnx2i_hba *hba,
+					    struct iscsi_kcqe *conn_destroy)
+{
+	struct bnx2i_endpoint *ep;
+
+	ep = bnx2i_find_ep_in_destroy_list(hba, conn_destroy->iscsi_conn_id);
+	if (!ep) {
+		printk(KERN_ALERT "bnx2i_conn_destroy_cmpl: no pending "
+				  "offload request, unexpected complection\n");
+		return;
+	}
+
+	if (hba != ep->hba) {
+		printk(KERN_ALERT "conn destroy- error hba mis-match\n");
+		return;
+	}
+
+	if (conn_destroy->completion_status) {
+		printk(KERN_ALERT "conn_destroy_cmpl: op failed\n");
+		ep->state = EP_STATE_CLEANUP_FAILED;
+	} else
+		ep->state = EP_STATE_CLEANUP_CMPL;
+	wake_up_interruptible(&ep->ofld_wait);
+}
+
+
+/**
+ * bnx2i_process_ofld_cmpl - process initial iscsi conn offload completion
+ * @hba:		adapter structure pointer
+ * @ofld_kcqe:		conn offload kcqe pointer
+ *
+ * handles initial connection offload completion, ep_connect() thread is
+ *	woken-up to continue with LLP connect process
+ */
+static void bnx2i_process_ofld_cmpl(struct bnx2i_hba *hba,
+				    struct iscsi_kcqe *ofld_kcqe)
+{
+	u32 cid_addr;
+	struct bnx2i_endpoint *ep;
+	u32 cid_num;
+
+	ep = bnx2i_find_ep_in_ofld_list(hba, ofld_kcqe->iscsi_conn_id);
+	if (!ep) {
+		printk(KERN_ALERT "ofld_cmpl: no pend offload request\n");
+		return;
+	}
+
+	if (hba != ep->hba) {
+		printk(KERN_ALERT "ofld_cmpl: error hba mis-match\n");
+		return;
+	}
+
+	if (ofld_kcqe->completion_status) {
+		if (ofld_kcqe->completion_status ==
+		    ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE)
+			printk(KERN_ALERT "bnx2i: unable to allocate"
+					  " iSCSI context resources\n");
+		ep->state = EP_STATE_OFLD_FAILED;
+	} else {
+		ep->state = EP_STATE_OFLD_COMPL;
+		cid_addr = ofld_kcqe->iscsi_conn_context_id;
+		cid_num = bnx2i_get_cid_num(ep);
+		ep->ep_cid = cid_addr;
+		ep->qp.ctx_base = NULL;
+	}
+	wake_up_interruptible(&ep->ofld_wait);
+}
+
+/**
+ * bnx2i_indicate_kcqe - process iscsi conn update completion KCQE
+ * @hba:		adapter structure pointer
+ * @update_kcqe:	kcqe pointer
+ *
+ * Generic KCQ event handler/dispatcher
+ */
+static void bnx2i_indicate_kcqe(void *context, struct kcqe *kcqe[],
+				u32 num_cqe)
+{
+	struct bnx2i_hba *hba = context;
+	int i = 0;
+	struct iscsi_kcqe *ikcqe = NULL;
+
+	while (i < num_cqe) {
+		ikcqe = (struct iscsi_kcqe *) kcqe[i++];
+
+		if (ikcqe->op_code ==
+		    ISCSI_KCQE_OPCODE_CQ_EVENT_NOTIFICATION)
+			bnx2i_fastpath_notification(hba, ikcqe);
+		else if (ikcqe->op_code == ISCSI_KCQE_OPCODE_OFFLOAD_CONN)
+			bnx2i_process_ofld_cmpl(hba, ikcqe);
+		else if (ikcqe->op_code == ISCSI_KCQE_OPCODE_UPDATE_CONN)
+			bnx2i_process_update_conn_cmpl(hba, ikcqe);
+		else if (ikcqe->op_code == ISCSI_KCQE_OPCODE_INIT) {
+			if (ikcqe->completion_status !=
+			    ISCSI_KCQE_COMPLETION_STATUS_SUCCESS)
+				bnx2i_iscsi_license_error(hba, ikcqe->\
+							  completion_status);
+			else {
+				set_bit(ADAPTER_STATE_UP, &hba->adapter_state);
+				bnx2i_get_link_state(hba);
+				printk(KERN_INFO "bnx2i [%.2x:%.2x.%.2x]: "
+						 "ISCSI_INIT passed\n",
+						 (u8)hba->pcidev->bus->number,
+						 hba->pci_devno,
+						 (u8)hba->pci_func);
+
+
+			}
+		} else if (ikcqe->op_code == ISCSI_KCQE_OPCODE_DESTROY_CONN)
+			bnx2i_process_conn_destroy_cmpl(hba, ikcqe);
+		else if (ikcqe->op_code == ISCSI_KCQE_OPCODE_ISCSI_ERROR)
+			bnx2i_process_iscsi_error(hba, ikcqe);
+		else if (ikcqe->op_code == ISCSI_KCQE_OPCODE_TCP_ERROR)
+			bnx2i_process_tcp_error(hba, ikcqe);
+		else
+			printk(KERN_ALERT "bnx2i: unknown opcode 0x%x\n",
+					  ikcqe->op_code);
+	}
+}
+
+
+/**
+ * bnx2i_indicate_netevent - Generic netdev event handler
+ * @context:	adapter structure pointer
+ * @event:	event type
+ *
+ * Handles four netdev events, NETDEV_UP, NETDEV_DOWN,
+ *	NETDEV_GOING_DOWN and NETDEV_CHANGE
+ */
+static void bnx2i_indicate_netevent(void *context, unsigned long event)
+{
+	struct bnx2i_hba *hba = context;
+
+	switch (event) {
+	case NETDEV_UP:
+		if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state))
+			bnx2i_send_fw_iscsi_init_msg(hba);
+		break;
+	case NETDEV_DOWN:
+		clear_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state);
+		clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
+		break;
+	case NETDEV_GOING_DOWN:
+		set_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state);
+		iscsi_host_for_each_session(hba->shost,
+					    bnx2i_drop_session);
+		break;
+	case NETDEV_CHANGE:
+		bnx2i_get_link_state(hba);
+		break;
+	default:
+		;
+	}
+}
+
+
+/**
+ * bnx2i_cm_connect_cmpl - process iscsi conn establishment completion
+ * @cm_sk: 		cnic sock structure pointer
+ *
+ * function callback exported via bnx2i - cnic driver interface to
+ *	indicate completion of option-2 TCP connect request.
+ */
+static void bnx2i_cm_connect_cmpl(struct cnic_sock *cm_sk)
+{
+	struct bnx2i_endpoint *ep = (struct bnx2i_endpoint *) cm_sk->context;
+
+	if (test_bit(ADAPTER_STATE_GOING_DOWN, &ep->hba->adapter_state))
+		ep->state = EP_STATE_CONNECT_FAILED;
+	else if (test_bit(SK_F_OFFLD_COMPLETE, &cm_sk->flags))
+		ep->state = EP_STATE_CONNECT_COMPL;
+	else
+		ep->state = EP_STATE_CONNECT_FAILED;
+
+	wake_up_interruptible(&ep->ofld_wait);
+}
+
+
+/**
+ * bnx2i_cm_close_cmpl - process tcp conn close completion
+ * @cm_sk:	cnic sock structure pointer
+ *
+ * function callback exported via bnx2i - cnic driver interface to
+ *	indicate completion of option-2 graceful TCP connect shutdown
+ */
+static void bnx2i_cm_close_cmpl(struct cnic_sock *cm_sk)
+{
+	struct bnx2i_endpoint *ep = (struct bnx2i_endpoint *) cm_sk->context;
+
+	ep->state = EP_STATE_DISCONN_COMPL;
+	wake_up_interruptible(&ep->ofld_wait);
+}
+
+
+/**
+ * bnx2i_cm_abort_cmpl - process abortive tcp conn teardown completion
+ * @cm_sk:	cnic sock structure pointer
+ *
+ * function callback exported via bnx2i - cnic driver interface to
+ *	indicate completion of option-2 abortive TCP connect termination
+ */
+static void bnx2i_cm_abort_cmpl(struct cnic_sock *cm_sk)
+{
+	struct bnx2i_endpoint *ep = (struct bnx2i_endpoint *) cm_sk->context;
+
+	ep->state = EP_STATE_DISCONN_COMPL;
+	wake_up_interruptible(&ep->ofld_wait);
+}
+
+
+/**
+ * bnx2i_cm_remote_close - process received TCP FIN
+ * @hba:		adapter structure pointer
+ * @update_kcqe:	kcqe pointer
+ *
+ * function callback exported via bnx2i - cnic driver interface to indicate
+ *	async TCP events such as FIN
+ */
+static void bnx2i_cm_remote_close(struct cnic_sock *cm_sk)
+{
+	struct bnx2i_endpoint *ep = (struct bnx2i_endpoint *) cm_sk->context;
+
+	ep->state = EP_STATE_TCP_FIN_RCVD;
+	if (ep->conn)
+		bnx2i_recovery_que_add_conn(ep->hba, ep->conn);
+}
+
+/**
+ * bnx2i_cm_remote_abort - process TCP RST and start conn cleanup
+ * @hba:		adapter structure pointer
+ * @update_kcqe:	kcqe pointer
+ *
+ * function callback exported via bnx2i - cnic driver interface to
+ *	indicate async TCP events (RST) sent by the peer.
+ */
+static void bnx2i_cm_remote_abort(struct cnic_sock *cm_sk)
+{
+	struct bnx2i_endpoint *ep = (struct bnx2i_endpoint *) cm_sk->context;
+
+	ep->state = EP_STATE_TCP_RST_RCVD;
+	if (ep->conn)
+		bnx2i_recovery_que_add_conn(ep->hba, ep->conn);
+}
+
+
+static void bnx2i_send_nl_mesg(struct cnic_dev *dev, u32 msg_type,
+			       char *buf, u16 buflen)
+{
+	struct bnx2i_hba *hba;
+
+	hba = bnx2i_find_hba_for_cnic(dev);
+	if (!hba)
+		return;
+
+	if (iscsi_offload_mesg(hba->shost, &bnx2i_iscsi_transport,
+				   msg_type, buf, buflen))
+		printk(KERN_ALERT "bnx2i: private nl message send error\n");
+
+}
+
+
+/**
+ * bnx2i_cnic_cb - global template of bnx2i - cnic driver interface structure
+ *			carrying callback function pointers
+ *
+ */
+struct cnic_ulp_ops bnx2i_cnic_cb = {
+	.cnic_init = bnx2i_ulp_init,
+	.cnic_exit = bnx2i_ulp_exit,
+	.cnic_start = bnx2i_start,
+	.cnic_stop = bnx2i_stop,
+	.indicate_kcqes = bnx2i_indicate_kcqe,
+	.indicate_netevent = bnx2i_indicate_netevent,
+	.cm_connect_complete = bnx2i_cm_connect_cmpl,
+	.cm_close_complete = bnx2i_cm_close_cmpl,
+	.cm_abort_complete = bnx2i_cm_abort_cmpl,
+	.cm_remote_close = bnx2i_cm_remote_close,
+	.cm_remote_abort = bnx2i_cm_remote_abort,
+	.iscsi_nl_send_msg = bnx2i_send_nl_mesg,
+	.owner = THIS_MODULE
+};
+
+
+/**
+ * bnx2i_map_ep_dbell_regs - map connection doorbell registers
+ * @ep: bnx2i endpoint
+ *
+ * maps connection's SQ and RQ doorbell registers, 5706/5708/5709 hosts these
+ *	register in BAR #0. Whereas in 57710 these register are accessed by
+ *	mapping BAR #1
+ */
+int bnx2i_map_ep_dbell_regs(struct bnx2i_endpoint *ep)
+{
+	u32 cid_num;
+	u32 reg_off;
+	u32 first_l4l5;
+	u32 ctx_sz;
+	u32 config2;
+	resource_size_t reg_base;
+
+	cid_num = bnx2i_get_cid_num(ep);
+
+	if (test_bit(BNX2I_NX2_DEV_57710, &ep->hba->cnic_dev_type)) {
+		reg_base = pci_resource_start(ep->hba->pcidev,
+					      BNX2X_DOORBELL_PCI_BAR);
+		reg_off = PAGE_SIZE * (cid_num & 0x1FFFF) + DPM_TRIGER_TYPE;
+		ep->qp.ctx_base = ioremap_nocache(reg_base + reg_off, 4);
+		goto arm_cq;
+	}
+
+	reg_base = ep->hba->netdev->base_addr;
+	if ((test_bit(BNX2I_NX2_DEV_5709, &ep->hba->cnic_dev_type)) &&
+	    (ep->hba->mail_queue_access == BNX2I_MQ_BIN_MODE)) {
+		config2 = REG_RD(ep->hba, BNX2_MQ_CONFIG2);
+		first_l4l5 = config2 & BNX2_MQ_CONFIG2_FIRST_L4L5;
+		ctx_sz = (config2 & BNX2_MQ_CONFIG2_CONT_SZ) >> 3;
+		if (ctx_sz)
+			reg_off = CTX_OFFSET + MAX_CID_CNT * MB_KERNEL_CTX_SIZE
+				  + PAGE_SIZE *
+				  (((cid_num - first_l4l5) / ctx_sz) + 256);
+		else
+			reg_off = CTX_OFFSET + (MB_KERNEL_CTX_SIZE * cid_num);
+	} else
+		/* 5709 device in normal node and 5706/5708 devices */
+		reg_off = CTX_OFFSET + (MB_KERNEL_CTX_SIZE * cid_num);
+
+	ep->qp.ctx_base = ioremap_nocache(reg_base + reg_off,
+					  MB_KERNEL_CTX_SIZE);
+	if (!ep->qp.ctx_base)
+		return -ENOMEM;
+
+arm_cq:
+	bnx2i_arm_cq_event_coalescing(ep, CNIC_ARM_CQE);
+	return 0;
+}
diff --git a/drivers/scsi/bnx2i/bnx2i_init.c b/drivers/scsi/bnx2i/bnx2i_init.c
new file mode 100644
index 0000000..ae4b2d5
--- /dev/null
+++ b/drivers/scsi/bnx2i/bnx2i_init.c
@@ -0,0 +1,438 @@
+/* bnx2i.c: Broadcom NetXtreme II iSCSI driver.
+ *
+ * Copyright (c) 2006 - 2009 Broadcom Corporation
+ * Copyright (c) 2007, 2008 Red Hat, Inc.  All rights reserved.
+ * Copyright (c) 2007, 2008 Mike Christie
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ *
+ * Written by: Anil Veerabhadrappa (anilgv-dY08KVG/lbpWk0Htik3J/[email-masked])
+ */
+
+#include "bnx2i.h"
+
+static struct list_head adapter_list = LIST_HEAD_INIT(adapter_list);
+static u32 adapter_count;
+static int bnx2i_reg_device;
+
+#define DRV_MODULE_NAME		"bnx2i"
+#define DRV_MODULE_VERSION	"2.0.1d"
+#define DRV_MODULE_RELDATE	"Mar 25, 2009"
+
+static char version[] __devinitdata =
+		"Broadcom NetXtreme II iSCSI Driver " DRV_MODULE_NAME \
+		" v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
+
+
+MODULE_AUTHOR("Anil Veerabhadrappa <anilgv-dY08KVG/lbpWk0Htik3J/[email-masked]>");
+MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709 iSCSI Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_MODULE_VERSION);
+
+static DEFINE_RWLOCK(bnx2i_dev_lock);
+
+unsigned int event_coal_div = 1;
+module_param(event_coal_div, int, 0664);
+MODULE_PARM_DESC(event_coal_div, "Event Coalescing Divide Factor");
+
+unsigned int en_tcp_dack = 1;
+module_param(en_tcp_dack, int, 0664);
+MODULE_PARM_DESC(en_tcp_dack, "Enable TCP Delayed ACK");
+
+unsigned int error_mask1 = 0x00;
+module_param(error_mask1, int, 0664);
+MODULE_PARM_DESC(error_mask1, "Config FW iSCSI Error Mask #1");
+
+unsigned int error_mask2 = 0x00;
+module_param(error_mask2, int, 0664);
+MODULE_PARM_DESC(error_mask2, "Config FW iSCSI Error Mask #2");
+
+unsigned int sq_size;
+module_param(sq_size, int, 0664);
+MODULE_PARM_DESC(sq_size, "Configure SQ size");
+
+unsigned int rq_size = BNX2I_RQ_WQES_DEFAULT;
+module_param(rq_size, int, 0664);
+MODULE_PARM_DESC(rq_size, "Configure RQ size");
+
+u64 iscsi_error_mask = 0x00;
+
+static void bnx2i_unreg_one_device(struct bnx2i_hba *hba) ;
+
+
+/**
+ * bnx2i_identify_device - identifies NetXtreme II device type
+ * @hba: 		Adapter structure pointer
+ *
+ * This function identifies the NX2 device type and sets appropriate
+ *	queue mailbox register access method, 5709 requires driver to
+ *	access MBOX regs using *bin* mode
+ */
+void bnx2i_identify_device(struct bnx2i_hba *hba)
+{
+	hba->cnic_dev_type = 0;
+	if ((hba->pci_did == PCI_DEVICE_ID_NX2_5706) ||
+	    (hba->pci_did == PCI_DEVICE_ID_NX2_5706S))
+		set_bit(BNX2I_NX2_DEV_5706, &hba->cnic_dev_type);
+	else if ((hba->pci_did == PCI_DEVICE_ID_NX2_5708) ||
+	    (hba->pci_did == PCI_DEVICE_ID_NX2_5708S))
+		set_bit(BNX2I_NX2_DEV_5708, &hba->cnic_dev_type);
+	else if ((hba->pci_did == PCI_DEVICE_ID_NX2_5709) ||
+	    (hba->pci_did == PCI_DEVICE_ID_NX2_5709S)) {
+		set_bit(BNX2I_NX2_DEV_5709, &hba->cnic_dev_type);
+		hba->mail_queue_access = BNX2I_MQ_BIN_MODE;
+	} else if (hba->pci_did == PCI_DEVICE_ID_NX2_57710 ||
+		   hba->pci_did == PCI_DEVICE_ID_NX2_57711)
+		set_bit(BNX2I_NX2_DEV_57710, &hba->cnic_dev_type);
+}
+
+
+/**
+ * get_adapter_list_head - returns head of adapter list
+ */
+struct bnx2i_hba *get_adapter_list_head(void)
+{
+	struct bnx2i_hba *hba = NULL;
+	struct bnx2i_hba *tmp_hba;
+
+	if (!adapter_count)
+		goto hba_not_found;
+
+	read_lock(&bnx2i_dev_lock);
+	list_for_each_entry(tmp_hba, &adapter_list, link) {
+		if (tmp_hba->cnic && tmp_hba->cnic->cm_select_dev) {
+			hba = tmp_hba;
+			break;
+		}
+	}
+	read_unlock(&bnx2i_dev_lock);
+hba_not_found:
+	return hba;
+}
+
+
+/**
+ * bnx2i_find_hba_for_cnic - maps cnic device instance to bnx2i adapter instance
+ * @cnic:	pointer to cnic device instance
+ *
+ */
+struct bnx2i_hba *bnx2i_find_hba_for_cnic(struct cnic_dev *cnic)
+{
+	struct bnx2i_hba *hba, *temp;
+
+	read_lock(&bnx2i_dev_lock);
+	list_for_each_entry_safe(hba, temp, &adapter_list, link) {
+		if (hba->cnic == cnic) {
+			read_unlock(&bnx2i_dev_lock);
+			return hba;
+		}
+	}
+	read_unlock(&bnx2i_dev_lock);
+	return NULL;
+}
+
+
+/**
+ * bnx2i_start - cnic callback to initialize & start adapter instance
+ * @handle:	transparent handle pointing to adapter structure
+ *
+ * This function maps adapter structure to pcidev structure and initiates
+ *	firmware handshake to enable/initialize on chip iscsi components
+ * 	This bnx2i - cnic interface api callback is issued after following
+ *	2 conditions are met -
+ *	  a) underlying network interface is up (marked by event 'NETDEV_UP'
+ *		from netdev
+ *	  b) bnx2i adapter instance is registered
+ */
+void bnx2i_start(void *handle)
+{
+#define BNX2I_INIT_POLL_TIME	(1000 / HZ)
+	struct bnx2i_hba *hba = handle;
+	int i = HZ;
+
+	bnx2i_send_fw_iscsi_init_msg(hba);
+	while (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state) && i--)
+		msleep(BNX2I_INIT_POLL_TIME);
+}
+
+
+/**
+ * bnx2i_stop - cnic callback to shutdown adapter instance
+ * @handle:	transparent handle pointing to adapter structure
+ *
+ * driver checks if adapter is already in shutdown mode, if not start
+ *	the shutdown process
+ */
+void bnx2i_stop(void *handle)
+{
+	struct bnx2i_hba *hba = handle;
+
+	/* check if cleanup happened in GOING_DOWN context */
+	clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
+	if (!test_and_clear_bit(ADAPTER_STATE_GOING_DOWN,
+				&hba->adapter_state))
+		iscsi_host_for_each_session(hba->shost,
+					    bnx2i_drop_session);
+}
+
+/**
+ * bnx2i_register_device - register bnx2i adapter instance with the cnic driver
+ * @hba:	Adapter instance to register
+ *
+ * registers bnx2i adapter instance with the cnic driver while holding the
+ *	adapter structure lock
+ */
+void bnx2i_register_device(struct bnx2i_hba *hba)
+{
+	if (test_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state) ||
+	    test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic)) {
+		return;
+	}
+
+	hba->cnic->register_device(hba->cnic, CNIC_ULP_ISCSI, hba);
+
+	spin_lock(&hba->lock);
+	bnx2i_reg_device++;
+	spin_unlock(&hba->lock);
+
+	set_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic);
+}
+
+
+/**
+ * bnx2i_reg_dev_all - registers all adapter instances with the cnic driver
+ *
+ * registers all bnx2i adapter instances with the cnic driver while holding
+ *	the global resource lock
+ */
+void bnx2i_reg_dev_all(void)
+{
+	struct bnx2i_hba *hba, *temp;
+
+	read_lock(&bnx2i_dev_lock);
+	list_for_each_entry_safe(hba, temp, &adapter_list, link)
+		bnx2i_register_device(hba);
+	read_unlock(&bnx2i_dev_lock);
+}
+
+
+/**
+ * bnx2i_unreg_one_device - unregister adapter instance with the cnic driver
+ * @hba:	Adapter instance to unregister
+ *
+ * registers bnx2i adapter instance with the cnic driver while holding
+ *	the adapter structure lock
+ */
+static void bnx2i_unreg_one_device(struct bnx2i_hba *hba)
+{
+	if (hba->ofld_conns_active ||
+	    !test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic) ||
+	    test_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state))
+		return;
+
+	hba->cnic->unregister_device(hba->cnic, CNIC_ULP_ISCSI);
+
+	spin_lock(&hba->lock);
+	bnx2i_reg_device--;
+	spin_unlock(&hba->lock);
+
+	/* ep_disconnect could come before NETDEV_DOWN, driver won't
+	 * see NETDEV_DOWN as it already unregistered itself.
+	 */
+	hba->adapter_state = 0;
+	clear_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic);
+}
+
+/**
+ * bnx2i_unreg_dev_all - unregisters all bnx2i instances with the cnic driver
+ *
+ * unregisters all bnx2i adapter instances with the cnic driver while holding
+ *	the global resource lock
+ */
+void bnx2i_unreg_dev_all(void)
+{
+	struct bnx2i_hba *hba, *temp;
+
+	read_lock(&bnx2i_dev_lock);
+	list_for_each_entry_safe(hba, temp, &adapter_list, link)
+		bnx2i_unreg_one_device(hba);
+	read_unlock(&bnx2i_dev_lock);
+}
+
+
+/**
+ * bnx2i_init_one - initialize an adapter instance and allocate memory resources
+ * @hba:	bnx2i adapter instance
+ * @cnic:	cnic device handle
+ *
+ * Global resource lock and host adapter lock is held during critical sections
+ *	below. This routine is called from cnic_register_driver() context and
+ *	work horse thread which does majority of device specific initialization
+ */
+static int bnx2i_init_one(struct bnx2i_hba *hba, struct cnic_dev *cnic)
+{
+	int rc;
+
+	read_lock(&bnx2i_dev_lock);
+	if (bnx2i_reg_device &&
+	    !test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic)) {
+		rc = cnic->register_device(cnic, CNIC_ULP_ISCSI, hba);
+		if (rc)		/* duplicate registration */
+			printk(KERN_ERR "bnx2i- dev reg failed\n");
+
+		spin_lock(&hba->lock);
+		bnx2i_reg_device++;
+		hba->age++;
+		spin_unlock(&hba->lock);
+
+		set_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic);
+	}
+	read_unlock(&bnx2i_dev_lock);
+
+	write_lock(&bnx2i_dev_lock);
+	list_add_tail(&hba->link, &adapter_list);
+	adapter_count++;
+	write_unlock(&bnx2i_dev_lock);
+	return 0;
+}
+
+
+/**
+ * bnx2i_ulp_init - initialize an adapter instance
+ * @dev:	cnic device handle
+ *
+ * Called from cnic_register_driver() context to initialize all enumerated
+ *	cnic devices. This routine allocate adapter structure and other
+ *	device specific resources.
+ */
+void bnx2i_ulp_init(struct cnic_dev *dev)
+{
+	struct bnx2i_hba *hba;
+
+	/* Allocate a HBA structure for this device */
+	hba = bnx2i_alloc_hba(dev);
+	if (!hba) {
+		printk(KERN_ERR "bnx2i init: hba initialization failed\n");
+		return;
+	}
+
+	/* Get PCI related information and update hba struct members */
+	clear_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic);
+	if (bnx2i_init_one(hba, dev)) {
+		printk(KERN_ERR "bnx2i - hba %p init failed\n", hba);
+		bnx2i_free_hba(hba);
+	} else
+		hba->cnic = dev;
+}
+
+
+/**
+ * bnx2i_ulp_exit - shuts down adapter instance and frees all resources
+ * @dev:	cnic device handle
+ *
+ */
+void bnx2i_ulp_exit(struct cnic_dev *dev)
+{
+	struct bnx2i_hba *hba;
+
+	hba = bnx2i_find_hba_for_cnic(dev);
+	if (!hba) {
+		printk(KERN_INFO "bnx2i_ulp_exit: hba not "
+				 "found, dev 0x%p\n", dev);
+		return;
+	}
+	write_lock(&bnx2i_dev_lock);
+	list_del_init(&hba->link);
+	adapter_count--;
+
+	if (test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic)) {
+		hba->cnic->unregister_device(hba->cnic, CNIC_ULP_ISCSI);
+		clear_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic);
+
+		spin_lock(&hba->lock);
+		bnx2i_reg_device--;
+		spin_unlock(&hba->lock);
+	}
+	write_unlock(&bnx2i_dev_lock);
+
+	bnx2i_free_hba(hba);
+}
+
+
+/**
+ * bnx2i_mod_init - module init entry point
+ *
+ * initialize any driver wide global data structures such as endpoint pool,
+ *	tcp port manager/queue, sysfs. finally driver will register itself
+ *	with the cnic module
+ */
+static int __init bnx2i_mod_init(void)
+{
+	int err;
+
+	printk(KERN_INFO "%s", version);
+
+	if (!is_power_of_2(sq_size))
+		sq_size = roundup_pow_of_two(sq_size);
+
+	bnx2i_scsi_xport_template =
+			iscsi_register_transport(&bnx2i_iscsi_transport);
+	if (!bnx2i_scsi_xport_template) {
+		printk(KERN_ERR "Could not register bnx2i transport.\n");
+		err = -ENOMEM;
+		goto out;
+	}
+
+	err = cnic_register_driver(CNIC_ULP_ISCSI, &bnx2i_cnic_cb);
+	if (err) {
+		printk(KERN_ERR "Could not register bnx2i cnic driver.\n");
+		goto unreg_xport;
+	}
+
+	return 0;
+
+unreg_xport:
+	iscsi_unregister_transport(&bnx2i_iscsi_transport);
+out:
+	return err;
+}
+
+
+/**
+ * bnx2i_mod_exit - module cleanup/exit entry point
+ *
+ * Global resource lock and host adapter lock is held during critical sections
+ *	in this function. Driver will browse through the adapter list, cleans-up
+ *	each instance, unregisters iscsi transport name and finally driver will
+ *	unregister itself with the cnic module
+ */
+static void __exit bnx2i_mod_exit(void)
+{
+	struct bnx2i_hba *hba;
+
+	write_lock(&bnx2i_dev_lock);
+	while (!list_empty(&adapter_list)) {
+		hba = list_entry(adapter_list.next, struct bnx2i_hba, link);
+		list_del(&hba->link);
+		adapter_count--;
+
+		if (test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic)) {
+			hba->cnic->unregister_device(hba->cnic, CNIC_ULP_ISCSI);
+			clear_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic);
+			bnx2i_reg_device--;
+		}
+
+		write_unlock(&bnx2i_dev_lock);
+		bnx2i_free_hba(hba);
+		write_lock(&bnx2i_dev_lock);
+	}
+	write_unlock(&bnx2i_dev_lock);
+
+	iscsi_unregister_transport(&bnx2i_iscsi_transport);
+	cnic_unregister_driver(CNIC_ULP_ISCSI);
+}
+
+module_init(bnx2i_mod_init);
+module_exit(bnx2i_mod_exit);
diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c
new file mode 100644
index 0000000..f741219
--- /dev/null
+++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c
@@ -0,0 +1,2064 @@
+/*
+ * bnx2i_iscsi.c: Broadcom NetXtreme II iSCSI driver.
+ *
+ * Copyright (c) 2006 - 2009 Broadcom Corporation
+ * Copyright (c) 2007, 2008 Red Hat, Inc.  All rights reserved.
+ * Copyright (c) 2007, 2008 Mike Christie
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ *
+ * Written by: Anil Veerabhadrappa (anilgv-dY08KVG/lbpWk0Htik3J/[email-masked])
+ */
+
+#include <scsi/scsi_tcq.h>
+#include <scsi/libiscsi.h>
+#include "bnx2i.h"
+
+struct scsi_transport_template *bnx2i_scsi_xport_template;
+struct iscsi_transport bnx2i_iscsi_transport;
+static struct scsi_host_template bnx2i_host_template;
+
+/*
+ * Global endpoint resource info
+ */
+static DEFINE_SPINLOCK(bnx2i_resc_lock); /* protects global resources */
+
+
+static int bnx2i_adapter_ready(struct bnx2i_hba *hba)
+{
+	int retval = 0;
+
+	if (!hba || !test_bit(ADAPTER_STATE_UP, &hba->adapter_state) ||
+	    test_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state) ||
+	    test_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state))
+		retval = -EPERM;
+	return retval;
+}
+
+/**
+ * bnx2i_get_write_cmd_bd_idx - identifies various BD bookmarks
+ * @cmd:		iscsi cmd struct pointer
+ * @buf_off:		absolute buffer offset
+ * @start_bd_off:	u32 pointer to return the offset within the BD
+ *			indicated by 'start_bd_idx' on which 'buf_off' falls
+ * @start_bd_idx:	index of the BD on which 'buf_off' falls
+ *
+ * identifies & marks various bd info for scsi command's imm data,
+ * unsolicited data and the first solicited data seq.
+ */
+static void bnx2i_get_write_cmd_bd_idx(struct bnx2i_cmd *cmd, u32 buf_off,
+				       u32 *start_bd_off, u32 *start_bd_idx)
+{
+	struct iscsi_bd *bd_tbl = cmd->io_tbl.bd_tbl;
+	u32 cur_offset = 0;
+	u32 cur_bd_idx = 0;
+
+	if (buf_off) {
+		while (buf_off >= (cur_offset + bd_tbl->buffer_length)) {
+			cur_offset += bd_tbl->buffer_length;
+			cur_bd_idx++;
+			bd_tbl++;
+		}
+	}
+
+	*start_bd_off = buf_off - cur_offset;
+	*start_bd_idx = cur_bd_idx;
+}
+
+/**
+ * bnx2i_setup_write_cmd_bd_info - sets up BD various information
+ * @task:	transport layer's cmd struct pointer
+ *
+ * identifies & marks various bd info for scsi command's immediate data,
+ * unsolicited data and first solicited data seq which includes BD start
+ * index & BD buf off. his function takes into account iscsi parameter such
+ * as immediate data and unsolicited data is support on this connection.
+ */
+static void bnx2i_setup_write_cmd_bd_info(struct iscsi_task *task)
+{
+	struct bnx2i_cmd *cmd = task->dd_data;
+	u32 start_bd_offset;
+	u32 start_bd_idx;
+	u32 buffer_offset = 0;
+	u32 cmd_len = cmd->req.total_data_transfer_length;
+
+	/* if ImmediateData is turned off & IntialR2T is turned on,
+	 * there will be no immediate or unsolicited data, just return.
+	 */
+	if (!iscsi_task_has_unsol_data(task) && !task->imm_count)
+		return;
+
+	/* Immediate data */
+	buffer_offset += task->imm_count;
+	if (task->imm_count == cmd_len)
+		return;
+
+	if (iscsi_task_has_unsol_data(task)) {
+		bnx2i_get_write_cmd_bd_idx(cmd, buffer_offset,
+					   &start_bd_offset, &start_bd_idx);
+		cmd->req.ud_buffer_offset = start_bd_offset;
+		cmd->req.ud_start_bd_index = start_bd_idx;
+		buffer_offset += task->unsol_r2t.data_length;
+	}
+
+	if (buffer_offset != cmd_len) {
+		bnx2i_get_write_cmd_bd_idx(cmd, buffer_offset,
+					   &start_bd_offset, &start_bd_idx);
+		if ((start_bd_offset > task->conn->session->first_burst) ||
+		    (start_bd_idx > scsi_sg_count(cmd->scsi_cmd))) {
+			int i = 0;
+
+			iscsi_conn_printk(KERN_ALERT, task->conn,
+					  "bnx2i- error, buf offset 0x%x "
+					  "bd_valid %d use_sg %d\n",
+					  buffer_offset, cmd->io_tbl.bd_valid,
+					  scsi_sg_count(cmd->scsi_cmd));
+			for (i = 0; i < cmd->io_tbl.bd_valid; i++)
+				iscsi_conn_printk(KERN_ALERT, task->conn,
+						  "bnx2i err, bd[%d]: len %x\n",
+						  i, cmd->io_tbl.bd_tbl[i].\
+						  buffer_length);
+		}
+		cmd->req.sd_buffer_offset = start_bd_offset;
+		cmd->req.sd_start_bd_index = start_bd_idx;
+	}
+}
+
+
+
+/**
+ * bnx2i_map_scsi_sg - maps IO buffer and prepares the BD table
+ * @hba:	adapter instance
+ * @cmd:	iscsi cmd struct pointer
+ *
+ * map SG list
+ */
+static int bnx2i_map_scsi_sg(struct bnx2i_hba *hba, struct bnx2i_cmd *cmd)
+{
+	struct scsi_cmnd *sc = cmd->scsi_cmd;
+	struct iscsi_bd *bd = cmd->io_tbl.bd_tbl;
+	struct scatterlist *sg;
+	int byte_count = 0;
+	int bd_count = 0;
+	int sg_count;
+	int sg_len;
+	u64 addr;
+	int i;
+
+	BUG_ON(scsi_sg_count(sc) > ISCSI_MAX_BDS_PER_CMD);
+
+	sg_count = scsi_dma_map(sc);
+
+	scsi_for_each_sg(sc, sg, sg_count, i) {
+		sg_len = sg_dma_len(sg);
+		addr = (u64) sg_dma_address(sg);
+		bd[bd_count].buffer_addr_lo = addr & 0xffffffff;
+		bd[bd_count].buffer_addr_hi = addr >> 32;
+		bd[bd_count].buffer_length = sg_len;
+		bd[bd_count].flags = 0;
+		if (bd_count == 0)
+			bd[bd_count].flags = ISCSI_BD_FIRST_IN_BD_CHAIN;
+
+		byte_count += sg_len;
+		bd_count++;
+	}
+
+	if (bd_count)
+		bd[bd_count - 1].flags |= ISCSI_BD_LAST_IN_BD_CHAIN;
+
+	BUG_ON(byte_count != scsi_bufflen(sc));
+	return bd_count;
+}
+
+/**
+ * bnx2i_iscsi_map_sg_list - maps SG list
+ * @cmd:	iscsi cmd struct pointer
+ *
+ * creates BD list table for the command
+ */
+static void bnx2i_iscsi_map_sg_list(struct bnx2i_cmd *cmd)
+{
+	int bd_count;
+
+	bd_count  = bnx2i_map_scsi_sg(cmd->conn->hba, cmd);
+	if (!bd_count) {
+		struct iscsi_bd *bd = cmd->io_tbl.bd_tbl;
+
+		bd[0].buffer_addr_lo = bd[0].buffer_addr_hi = 0;
+		bd[0].buffer_length = bd[0].flags = 0;
+	}
+	cmd->io_tbl.bd_valid = bd_count;
+}
+
+
+/**
+ * bnx2i_iscsi_unmap_sg_list - unmaps SG list
+ * @cmd:	iscsi cmd struct pointer
+ *
+ * unmap IO buffers and invalidate the BD table
+ */
+void bnx2i_iscsi_unmap_sg_list(struct bnx2i_cmd *cmd)
+{
+	struct scsi_cmnd *sc = cmd->scsi_cmd;
+
+	if (cmd->io_tbl.bd_valid && sc) {
+		scsi_dma_unmap(sc);
+		cmd->io_tbl.bd_valid = 0;
+	}
+}
+
+static void bnx2i_setup_cmd_wqe_template(struct bnx2i_cmd *cmd)
+{
+	memset(&cmd->req, 0x00, sizeof(cmd->req));
+	cmd->req.op_code = 0xFF;
+	cmd->req.bd_list_addr_lo = (u32) cmd->io_tbl.bd_tbl_dma;
+	cmd->req.bd_list_addr_hi =
+		(u32) ((u64) cmd->io_tbl.bd_tbl_dma >> 32);
+
+}
+
+
+/**
+ * bnx2i_bind_conn_to_iscsi_cid - bind conn structure to 'iscsi_cid'
+ * @hba:	pointer to adapter instance
+ * @conn:	pointer to iscsi connection
+ * @iscsi_cid:	iscsi context ID, range 0 - (MAX_CONN - 1)
+ *
+ * update iscsi cid table entry with connection pointer. This enables
+ *	driver to quickly get hold of connection structure pointer in
+ *	completion/interrupt thread using iscsi context ID
+ */
+static int bnx2i_bind_conn_to_iscsi_cid(struct bnx2i_hba *hba,
+					struct bnx2i_conn *bnx2i_conn,
+					u32 iscsi_cid)
+{
+	if (hba && hba->cid_que.conn_cid_tbl[iscsi_cid]) {
+		iscsi_conn_printk(KERN_ALERT, bnx2i_conn->cls_conn->dd_data,
+				 "conn bind - entry #%d not free\n", iscsi_cid);
+		return -EBUSY;
+	}
+
+	hba->cid_que.conn_cid_tbl[iscsi_cid] = bnx2i_conn;
+	return 0;
+}
+
+
+/**
+ * bnx2i_get_conn_from_id - maps an iscsi cid to corresponding conn ptr
+ * @hba:	pointer to adapter instance
+ * @iscsi_cid:	iscsi context ID, range 0 - (MAX_CONN - 1)
+ */
+struct bnx2i_conn *bnx2i_get_conn_from_id(struct bnx2i_hba *hba,
+					  u16 iscsi_cid)
+{
+	if (!hba->cid_que.conn_cid_tbl) {
+		printk(KERN_ERR "bnx2i: ERROR - missing conn<->cid table\n");
+		return NULL;
+
+	} else if (iscsi_cid >= hba->max_active_conns) {
+		printk(KERN_ERR "bnx2i: wrong cid #%d\n", iscsi_cid);
+		return NULL;
+	}
+	return hba->cid_que.conn_cid_tbl[iscsi_cid];
+}
+
+
+/**
+ * bnx2i_alloc_iscsi_cid - allocates a iscsi_cid from free pool
+ * @hba:	pointer to adapter instance
+ */
+static u32 bnx2i_alloc_iscsi_cid(struct bnx2i_hba *hba)
+{
+	int idx;
+
+	if (!hba->cid_que.cid_free_cnt)
+		return -1;
+
+	idx = hba->cid_que.cid_q_cons_idx;
+	hba->cid_que.cid_q_cons_idx++;
+	if (hba->cid_que.cid_q_cons_idx == hba->cid_que.cid_q_max_idx)
+		hba->cid_que.cid_q_cons_idx = 0;
+
+	hba->cid_que.cid_free_cnt--;
+	return hba->cid_que.cid_que[idx];
+}
+
+
+/**
+ * bnx2i_free_iscsi_cid - returns tcp port to free list
+ * @hba: 		pointer to adapter instance
+ * @iscsi_cid:		iscsi context ID to free
+ */
+static void bnx2i_free_iscsi_cid(struct bnx2i_hba *hba, u16 iscsi_cid)
+{
+	int idx;
+
+	if (iscsi_cid == (u16) -1)
+		return;
+
+	hba->cid_que.cid_free_cnt++;
+
+	idx = hba->cid_que.cid_q_prod_idx;
+	hba->cid_que.cid_que[idx] = iscsi_cid;
+	hba->cid_que.conn_cid_tbl[iscsi_cid] = NULL;
+	hba->cid_que.cid_q_prod_idx++;
+	if (hba->cid_que.cid_q_prod_idx == hba->cid_que.cid_q_max_idx)
+		hba->cid_que.cid_q_prod_idx = 0;
+}
+
+
+/**
+ * bnx2i_setup_free_cid_que - sets up free iscsi cid queue
+ * @hba:	pointer to adapter instance
+ *
+ * allocates memory for iscsi cid queue & 'cid - conn ptr' mapping table,
+ * 	and initialize table attributes
+ */
+static int bnx2i_setup_free_cid_que(struct bnx2i_hba *hba)
+{
+	int mem_size;
+	int i;
+
+	mem_size = hba->max_active_conns * sizeof(u32);
+	mem_size = (mem_size + (PAGE_SIZE - 1)) & PAGE_MASK;
+
+	hba->cid_que.cid_que_base = kmalloc(mem_size, GFP_KERNEL);
+	if (!hba->cid_que.cid_que_base)
+		return -ENOMEM;
+
+	mem_size = hba->max_active_conns * sizeof(struct bnx2i_conn *);
+	mem_size = (mem_size + (PAGE_SIZE - 1)) & PAGE_MASK;
+	hba->cid_que.conn_cid_tbl = kmalloc(mem_size, GFP_KERNEL);
+	if (!hba->cid_que.conn_cid_tbl) {
+		kfree(hba->cid_que.cid_que_base);
+		hba->cid_que.cid_que_base = NULL;
+		return -ENOMEM;
+	}
+
+	hba->cid_que.cid_que = (u32 *)hba->cid_que.cid_que_base;
+	hba->cid_que.cid_q_prod_idx = 0;
+	hba->cid_que.cid_q_cons_idx = 0;
+	hba->cid_que.cid_q_max_idx = hba->max_active_conns;
+	hba->cid_que.cid_free_cnt = hba->max_active_conns;
+
+	for (i = 0; i < hba->max_active_conns; i++) {
+		hba->cid_que.cid_que[i] = i;
+		hba->cid_que.conn_cid_tbl[i] = NULL;
+	}
+	return 0;
+}
+
+
+/**
+ * bnx2i_release_free_cid_que - releases 'iscsi_cid' queue resources
+ * @hba:	pointer to adapter instance
+ */
+static void bnx2i_release_free_cid_que(struct bnx2i_hba *hba)
+{
+	kfree(hba->cid_que.cid_que_base);
+	hba->cid_que.cid_que_base = NULL;
+
+	kfree(hba->cid_que.conn_cid_tbl);
+	hba->cid_que.conn_cid_tbl = NULL;
+}
+
+
+/**
+ * bnx2i_alloc_ep - allocates ep structure from global pool
+ * @hba:	pointer to adapter instance
+ *
+ * routine allocates a free endpoint structure from global pool and
+ *	a tcp port to be used for this connection.  Global resource lock,
+ *	'bnx2i_resc_lock' is held while accessing shared global data structures
+ */
+static struct iscsi_endpoint *bnx2i_alloc_ep(struct bnx2i_hba *hba)
+{
+	struct iscsi_endpoint *ep;
+	struct bnx2i_endpoint *bnx2i_ep;
+
+	ep = iscsi_create_endpoint(sizeof(*bnx2i_ep));
+	if (!ep) {
+		printk(KERN_ERR "bnx2i: Could not allocate ep\n");
+		return NULL;
+	}
+
+	bnx2i_ep = ep->dd_data;
+	INIT_LIST_HEAD(&bnx2i_ep->link);
+	bnx2i_ep->state = EP_STATE_IDLE;
+	bnx2i_ep->hba = hba;
+	bnx2i_ep->hba_age = hba->age;
+	hba->ofld_conns_active++;
+	init_waitqueue_head(&bnx2i_ep->ofld_wait);
+	return ep;
+}
+
+
+/**
+ * bnx2i_free_ep - free endpoint
+ * @ep:		pointer to iscsi endpoint structure
+ */
+static void bnx2i_free_ep(struct iscsi_endpoint *ep)
+{
+	struct bnx2i_endpoint *bnx2i_ep = ep->dd_data;
+	unsigned long flags;
+
+	spin_lock_irqsave(&bnx2i_resc_lock, flags);
+	bnx2i_ep->state = EP_STATE_IDLE;
+	bnx2i_ep->hba->ofld_conns_active--;
+
+	bnx2i_free_iscsi_cid(bnx2i_ep->hba, bnx2i_ep->ep_iscsi_cid);
+	if (bnx2i_ep->conn) {
+		bnx2i_ep->conn->ep = NULL;
+		bnx2i_ep->conn = NULL;
+	}
+
+	bnx2i_ep->hba = NULL;
+	spin_unlock_irqrestore(&bnx2i_resc_lock, flags);
+	iscsi_destroy_endpoint(ep);
+}
+
+
+/**
+ * bnx2i_alloc_bdt - allocates buffer descriptor (BD) table for the command
+ * @hba:	adapter instance pointer
+ * @session:	iscsi session pointer
+ * @cmd:	iscsi command structure
+ */
+static int bnx2i_alloc_bdt(struct bnx2i_hba *hba, struct iscsi_session *session,
+			   struct bnx2i_cmd *cmd)
+{
+	struct io_bdt *io = &cmd->io_tbl;
+	struct iscsi_bd *bd;
+
+	io->bd_tbl = dma_alloc_coherent(&hba->pcidev->dev,
+					ISCSI_MAX_BDS_PER_CMD * sizeof(*bd),
+					&io->bd_tbl_dma, GFP_KERNEL);
+	if (!io->bd_tbl) {
+		iscsi_session_printk(KERN_ERR, session, "Could not "
+				     "allocate bdt.\n");
+		return -ENOMEM;
+	}
+	io->bd_valid = 0;
+	return 0;
+}
+
+/**
+ * bnx2i_destroy_cmd_pool - destroys iscsi command pool and release BD table
+ * @hba:	adapter instance pointer
+ * @session:	iscsi session pointer
+ * @cmd:	iscsi command structure
+ */
+static void bnx2i_destroy_cmd_pool(struct bnx2i_hba *hba,
+				   struct iscsi_session *session)
+{
+	int i;
+
+	for (i = 0; i < session->cmds_max; i++) {
+		struct iscsi_task *task = session->cmds[i];
+		struct bnx2i_cmd *cmd = task->dd_data;
+
+		if (cmd->io_tbl.bd_tbl)
+			dma_free_coherent(&hba->pcidev->dev,
+					  ISCSI_MAX_BDS_PER_CMD *
+					  sizeof(struct iscsi_bd),
+					  cmd->io_tbl.bd_tbl,
+					  cmd->io_tbl.bd_tbl_dma);
+	}
+
+}
+
+
+/**
+ * bnx2i_setup_cmd_pool - sets up iscsi command pool for the session
+ * @hba:	adapter instance pointer
+ * @session:	iscsi session pointer
+ */
+static int bnx2i_setup_cmd_pool(struct bnx2i_hba *hba,
+				struct iscsi_session *session)
+{
+	int i;
+
+	for (i = 0; i < session->cmds_max; i++) {
+		struct iscsi_task *task = session->cmds[i];
+		struct bnx2i_cmd *cmd = task->dd_data;
+
+		/* Anil */
+		task->hdr = &cmd->hdr;
+		task->hdr_max = sizeof(struct iscsi_hdr);
+
+		if (bnx2i_alloc_bdt(hba, session, cmd))
+			goto free_bdts;
+	}
+
+	return 0;
+
+free_bdts:
+	bnx2i_destroy_cmd_pool(hba, session);
+	return -ENOMEM;
+}
+
+
+/**
+ * bnx2i_setup_mp_bdt - allocate BD table resources
+ * @hba:	pointer to adapter structure
+ *
+ * Allocate memory for dummy buffer and associated BD
+ * table to be used by middle path (MP) requests
+ */
+static int bnx2i_setup_mp_bdt(struct bnx2i_hba *hba)
+{
+	int rc = 0;
+	struct iscsi_bd *mp_bdt;
+	u64 addr;
+
+	hba->mp_bd_tbl = dma_alloc_coherent(&hba->pcidev->dev, PAGE_SIZE,
+					    &hba->mp_bd_dma, GFP_KERNEL);
+	if (!hba->mp_bd_tbl) {
+		printk(KERN_ERR "unable to allocate Middle Path BDT\n");
+		rc = -1;
+		goto out;
+	}
+
+	hba->dummy_buffer = dma_alloc_coherent(&hba->pcidev->dev, PAGE_SIZE,
+					       &hba->dummy_buf_dma, GFP_KERNEL);
+	if (!hba->dummy_buffer) {
+		printk(KERN_ERR "unable to alloc Middle Path Dummy Buffer\n");
+		dma_free_coherent(&hba->pcidev->dev, PAGE_SIZE,
+				  hba->mp_bd_tbl, hba->mp_bd_dma);
+		hba->mp_bd_tbl = NULL;
+		rc = -1;
+		goto out;
+	}
+
+	mp_bdt = (struct iscsi_bd *) hba->mp_bd_tbl;
+	addr = (unsigned long) hba->dummy_buf_dma;
+	mp_bdt->buffer_addr_lo = addr & 0xffffffff;
+	mp_bdt->buffer_addr_hi = addr >> 32;
+	mp_bdt->buffer_length = PAGE_SIZE;
+	mp_bdt->flags = ISCSI_BD_LAST_IN_BD_CHAIN |
+			ISCSI_BD_FIRST_IN_BD_CHAIN;
+out:
+	return rc;
+}
+
+
+/**
+ * bnx2i_free_mp_bdt - releases ITT back to free pool
+ * @hba:	pointer to adapter instance
+ *
+ * free MP dummy buffer and associated BD table
+ */
+static void bnx2i_free_mp_bdt(struct bnx2i_hba *hba)
+{
+	if (hba->mp_bd_tbl) {
+		dma_free_coherent(&hba->pcidev->dev, PAGE_SIZE,
+				  hba->mp_bd_tbl, hba->mp_bd_dma);
+		hba->mp_bd_tbl = NULL;
+	}
+	if (hba->dummy_buffer) {
+		dma_free_coherent(&hba->pcidev->dev, PAGE_SIZE,
+				  hba->dummy_buffer, hba->dummy_buf_dma);
+		hba->dummy_buffer = NULL;
+	}
+		return;
+}
+
+/**
+ * bnx2i_drop_session - notifies iscsid of connection error.
+ * @hba:	adapter instance pointer
+ * @session:	iscsi session pointer
+ *
+ * This notifies iscsid that there is a error, so it can initiate
+ * recovery.
+ *
+ * This relies on caller using the iscsi class iterator so the object
+ * is refcounted and does not disapper from under us.
+ */
+void bnx2i_drop_session(struct iscsi_cls_session *cls_session)
+{
+	iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED);
+}
+
+/**
+ * bnx2i_ep_destroy_list_add - add an entry to EP destroy list
+ * @hba:	pointer to adapter instance
+ * @ep:		pointer to endpoint (transport indentifier) structure
+ *
+ * EP destroy queue manager
+ */
+static int bnx2i_ep_destroy_list_add(struct bnx2i_hba *hba,
+				     struct bnx2i_endpoint *ep)
+{
+	write_lock_bh(&hba->ep_rdwr_lock);
+	list_add_tail(&ep->link, &hba->ep_destroy_list);
+	write_unlock_bh(&hba->ep_rdwr_lock);
+	return 0;
+}
+
+/**
+ * bnx2i_ep_destroy_list_del - add an entry to EP destroy list
+ *
+ * @hba: 		pointer to adapter instance
+ * @ep: 		pointer to endpoint (transport indentifier) structure
+ *
+ * EP destroy queue manager
+ */
+static int bnx2i_ep_destroy_list_del(struct bnx2i_hba *hba,
+				     struct bnx2i_endpoint *ep)
+{
+	write_lock_bh(&hba->ep_rdwr_lock);
+	list_del_init(&ep->link);
+	write_unlock_bh(&hba->ep_rdwr_lock);
+
+	return 0;
+}
+
+/**
+ * bnx2i_ep_ofld_list_add - add an entry to ep offload pending list
+ * @hba:	pointer to adapter instance
+ * @ep:		pointer to endpoint (transport indentifier) structure
+ *
+ * pending conn offload completion queue manager
+ */
+static int bnx2i_ep_ofld_list_add(struct bnx2i_hba *hba,
+				  struct bnx2i_endpoint *ep)
+{
+	write_lock_bh(&hba->ep_rdwr_lock);
+	list_add_tail(&ep->link, &hba->ep_ofld_list);
+	write_unlock_bh(&hba->ep_rdwr_lock);
+	return 0;
+}
+
+/**
+ * bnx2i_ep_ofld_list_del - add an entry to ep offload pending list
+ * @hba: 		pointer to adapter instance
+ * @ep: 		pointer to endpoint (transport indentifier) structure
+ *
+ * pending conn offload completion queue manager
+ */
+static int bnx2i_ep_ofld_list_del(struct bnx2i_hba *hba,
+				  struct bnx2i_endpoint *ep)
+{
+	write_lock_bh(&hba->ep_rdwr_lock);
+	list_del_init(&ep->link);
+	write_unlock_bh(&hba->ep_rdwr_lock);
+	return 0;
+}
+
+
+/**
+ * bnx2i_find_ep_in_ofld_list - find iscsi_cid in pending list of endpoints
+ *
+ * @hba: 		pointer to adapter instance
+ * @iscsi_cid:		iscsi context ID to find
+ *
+ */
+struct bnx2i_endpoint *
+bnx2i_find_ep_in_ofld_list(struct bnx2i_hba *hba, u32 iscsi_cid)
+{
+	struct list_head *list;
+	struct list_head *tmp;
+	struct bnx2i_endpoint *ep;
+
+	read_lock_bh(&hba->ep_rdwr_lock);
+	list_for_each_safe(list, tmp, &hba->ep_ofld_list) {
+		ep = (struct bnx2i_endpoint *)list;
+
+		if (ep->ep_iscsi_cid == iscsi_cid)
+			break;
+		ep = NULL;
+	}
+	read_unlock_bh(&hba->ep_rdwr_lock);
+
+	if (!ep)
+		printk(KERN_ERR "l5 cid %d not found\n", iscsi_cid);
+	return ep;
+}
+
+
+/**
+ * bnx2i_find_ep_in_destroy_list - find iscsi_cid in destroy list
+ * @hba: 		pointer to adapter instance
+ * @iscsi_cid:		iscsi context ID to find
+ *
+ */
+struct bnx2i_endpoint *
+bnx2i_find_ep_in_destroy_list(struct bnx2i_hba *hba, u32 iscsi_cid)
+{
+	struct list_head *list;
+	struct list_head *tmp;
+	struct bnx2i_endpoint *ep;
+
+	read_lock_bh(&hba->ep_rdwr_lock);
+	list_for_each_safe(list, tmp, &hba->ep_destroy_list) {
+		ep = (struct bnx2i_endpoint *)list;
+
+		if (ep->ep_iscsi_cid == iscsi_cid)
+			break;
+		ep = NULL;
+	}
+	read_unlock_bh(&hba->ep_rdwr_lock);
+
+	if (!ep)
+		printk(KERN_ERR "l5 cid %d not found\n", iscsi_cid);
+
+	return ep;
+}
+
+/**
+ * bnx2i_setup_host_queue_size - assigns shost->can_queue param
+ * @hba:	pointer to adapter instance
+ * @shost:	scsi host pointer
+ *
+ * Initializes 'can_queue' parameter based on how many outstanding commands
+ * 	the device can handle. Each device 5708/5709/57710 has different
+ *	capabilities
+ */
+static void bnx2i_setup_host_queue_size(struct bnx2i_hba *hba,
+					struct Scsi_Host *shost)
+{
+	if (test_bit(BNX2I_NX2_DEV_5708, &hba->cnic_dev_type))
+		shost->can_queue = ISCSI_MAX_CMDS_PER_HBA_5708;
+	else if (test_bit(BNX2I_NX2_DEV_5709, &hba->cnic_dev_type))
+		shost->can_queue = ISCSI_MAX_CMDS_PER_HBA_5709;
+	else if (test_bit(BNX2I_NX2_DEV_57710, &hba->cnic_dev_type))
+		shost->can_queue = ISCSI_MAX_CMDS_PER_HBA_57710;
+	else
+		shost->can_queue = ISCSI_MAX_CMDS_PER_HBA_5708;
+}
+
+
+/**
+ * bnx2i_alloc_hba - allocate and init adapter instance
+ * @cnic:	cnic device pointer
+ *
+ * allocate & initialize adapter structure and call other
+ *	support routines to do per adapter initialization
+ */
+struct bnx2i_hba *bnx2i_alloc_hba(struct cnic_dev *cnic)
+{
+	struct Scsi_Host *shost;
+	struct bnx2i_hba *hba;
+
+	shost = iscsi_host_alloc(&bnx2i_host_template, sizeof(*hba), 0);
+	if (!shost)
+		return NULL;
+	shost->dma_boundary = cnic->pcidev->dma_mask;
+	shost->transportt = bnx2i_scsi_xport_template;
+	shost->max_id = ISCSI_MAX_CONNS_PER_HBA;
+	shost->max_channel = 0;
+	shost->max_lun = 512;
+	shost->max_cmd_len = 16;
+
+	hba = iscsi_host_priv(shost);
+	hba->shost = shost;
+	hba->netdev = cnic->netdev;
+	/* Get PCI related information and update hba struct members */
+	hba->pcidev = cnic->pcidev;
+	pci_dev_get(hba->pcidev);
+	hba->pci_did = hba->pcidev->device;
+	hba->pci_vid = hba->pcidev->vendor;
+	hba->pci_sdid = hba->pcidev->subsystem_device;
+	hba->pci_svid = hba->pcidev->subsystem_vendor;
+	hba->pci_func = PCI_FUNC(hba->pcidev->devfn);
+	hba->pci_devno = PCI_SLOT(hba->pcidev->devfn);
+	bnx2i_identify_device(hba);
+
+	bnx2i_identify_device(hba);
+	bnx2i_setup_host_queue_size(hba, shost);
+
+	if (test_bit(BNX2I_NX2_DEV_5709, &hba->cnic_dev_type)) {
+		hba->regview = ioremap_nocache(hba->netdev->base_addr,
+					       BNX2_MQ_CONFIG2);
+		if (!hba->regview)
+			goto ioreg_map_err;
+	} else if (test_bit(BNX2I_NX2_DEV_57710, &hba->cnic_dev_type)) {
+		hba->regview = ioremap_nocache(hba->netdev->base_addr, 4096);
+		if (!hba->regview)
+			goto ioreg_map_err;
+	}
+
+	if (bnx2i_setup_mp_bdt(hba))
+		goto mp_bdt_mem_err;
+
+	INIT_LIST_HEAD(&hba->ep_ofld_list);
+	INIT_LIST_HEAD(&hba->ep_destroy_list);
+	rwlock_init(&hba->ep_rdwr_lock);
+
+	hba->mtu_supported = BNX2I_MAX_MTU_SUPPORTED;
+
+	/* different values for 5708/5709/57710 */
+	hba->max_active_conns = ISCSI_MAX_CONNS_PER_HBA;
+
+	if (bnx2i_setup_free_cid_que(hba))
+		goto cid_que_err;
+
+	/* SQ/RQ/CQ size can be changed via sysfx interface */
+	if (test_bit(BNX2I_NX2_DEV_57710, &hba->cnic_dev_type)) {
+		if (sq_size && sq_size <= BNX2I_5770X_SQ_WQES_MAX)
+			hba->max_sqes = sq_size;
+		else
+			hba->max_sqes = BNX2I_5770X_SQ_WQES_DEFAULT;
+	} else {	/* 5706/5708/5709 */
+		if (sq_size && sq_size <= BNX2I_570X_SQ_WQES_MAX)
+			hba->max_sqes = sq_size;
+		else
+			hba->max_sqes = BNX2I_570X_SQ_WQES_DEFAULT;
+	}
+
+	hba->max_rqes = rq_size;
+	hba->max_cqes = hba->max_sqes + rq_size;
+	if (test_bit(BNX2I_NX2_DEV_57710, &hba->cnic_dev_type)) {
+		if (hba->max_cqes > BNX2I_5770X_CQ_WQES_MAX)
+			hba->max_cqes = BNX2I_5770X_CQ_WQES_MAX;
+	} else if (hba->max_cqes > BNX2I_570X_CQ_WQES_MAX)
+		hba->max_cqes = BNX2I_570X_CQ_WQES_MAX;
+
+	hba->num_ccell = hba->max_sqes / 2;
+
+	spin_lock_init(&hba->lock);
+	mutex_init(&hba->net_dev_lock);
+
+	if (iscsi_host_add(shost, &hba->pcidev->dev))
+		goto free_dump_mem;
+	return hba;
+
+free_dump_mem:
+	bnx2i_release_free_cid_que(hba);
+cid_que_err:
+	bnx2i_free_mp_bdt(hba);
+mp_bdt_mem_err:
+	if (hba->regview) {
+		iounmap(hba->regview);
+		hba->regview = NULL;
+	}
+ioreg_map_err:
+	pci_dev_put(hba->pcidev);
+	scsi_host_put(shost);
+	return NULL;
+}
+
+/**
+ * bnx2i_free_hba- releases hba structure and resources held by the adapter
+ * @hba:	pointer to adapter instance
+ *
+ * free adapter structure and call various cleanup routines.
+ */
+void bnx2i_free_hba(struct bnx2i_hba *hba)
+{
+	struct Scsi_Host *shost = hba->shost;
+
+	iscsi_host_remove(shost);
+	INIT_LIST_HEAD(&hba->ep_ofld_list);
+	INIT_LIST_HEAD(&hba->ep_destroy_list);
+	pci_dev_put(hba->pcidev);
+
+	if (hba->regview) {
+		iounmap(hba->regview);
+		hba->regview = NULL;
+	}
+	bnx2i_free_mp_bdt(hba);
+	bnx2i_release_free_cid_que(hba);
+	iscsi_host_free(shost);
+}
+
+/**
+ * bnx2i_conn_free_login_resources - free DMA resources used for login process
+ * @hba:		pointer to adapter instance
+ * @bnx2i_conn:		iscsi connection pointer
+ *
+ * Login related resources, mostly BDT & payload DMA memory is freed
+ */
+static void bnx2i_conn_free_login_resources(struct bnx2i_hba *hba,
+					    struct bnx2i_conn *bnx2i_conn)
+{
+	if (bnx2i_conn->gen_pdu.resp_bd_tbl) {
+		dma_free_coherent(&hba->pcidev->dev, PAGE_SIZE,
+				  bnx2i_conn->gen_pdu.resp_bd_tbl,
+				  bnx2i_conn->gen_pdu.resp_bd_dma);
+		bnx2i_conn->gen_pdu.resp_bd_tbl = NULL;
+	}
+
+	if (bnx2i_conn->gen_pdu.req_bd_tbl) {
+		dma_free_coherent(&hba->pcidev->dev, PAGE_SIZE,
+				  bnx2i_conn->gen_pdu.req_bd_tbl,
+				  bnx2i_conn->gen_pdu.req_bd_dma);
+		bnx2i_conn->gen_pdu.req_bd_tbl = NULL;
+	}
+
+	if (bnx2i_conn->gen_pdu.resp_buf) {
+		dma_free_coherent(&hba->pcidev->dev,
+				  ISCSI_DEF_MAX_RECV_SEG_LEN,
+				  bnx2i_conn->gen_pdu.resp_buf,
+				  bnx2i_conn->gen_pdu.resp_dma_addr);
+		bnx2i_conn->gen_pdu.resp_buf = NULL;
+	}
+
+	if (bnx2i_conn->gen_pdu.req_buf) {
+		dma_free_coherent(&hba->pcidev->dev,
+				  ISCSI_DEF_MAX_RECV_SEG_LEN,
+				  bnx2i_conn->gen_pdu.req_buf,
+				  bnx2i_conn->gen_pdu.req_dma_addr);
+		bnx2i_conn->gen_pdu.req_buf = NULL;
+	}
+}
+
+/**
+ * bnx2i_conn_alloc_login_resources - alloc DMA resources for login/nop.
+ * @hba:		pointer to adapter instance
+ * @bnx2i_conn:		iscsi connection pointer
+ *
+ * Mgmt task DNA resources are allocated in this routine.
+ */
+static int bnx2i_conn_alloc_login_resources(struct bnx2i_hba *hba,
+					    struct bnx2i_conn *bnx2i_conn)
+{
+	/* Allocate memory for login request/response buffers */
+	bnx2i_conn->gen_pdu.req_buf =
+		dma_alloc_coherent(&hba->pcidev->dev,
+				   ISCSI_DEF_MAX_RECV_SEG_LEN,
+				   &bnx2i_conn->gen_pdu.req_dma_addr,
+				   GFP_KERNEL);
+	if (bnx2i_conn->gen_pdu.req_buf == NULL)
+		goto login_req_buf_failure;
+
+	bnx2i_conn->gen_pdu.req_buf_size = 0;
+	bnx2i_conn->gen_pdu.req_wr_ptr = bnx2i_conn->gen_pdu.req_buf;
+
+	bnx2i_conn->gen_pdu.resp_buf =
+		dma_alloc_coherent(&hba->pcidev->dev,
+				   ISCSI_DEF_MAX_RECV_SEG_LEN,
+				   &bnx2i_conn->gen_pdu.resp_dma_addr,
+				   GFP_KERNEL);
+	if (bnx2i_conn->gen_pdu.resp_buf == NULL)
+		goto login_resp_buf_failure;
+
+	bnx2i_conn->gen_pdu.resp_buf_size = ISCSI_DEF_MAX_RECV_SEG_LEN;
+	bnx2i_conn->gen_pdu.resp_wr_ptr = bnx2i_conn->gen_pdu.resp_buf;
+
+	bnx2i_conn->gen_pdu.req_bd_tbl =
+		dma_alloc_coherent(&hba->pcidev->dev, PAGE_SIZE,
+				   &bnx2i_conn->gen_pdu.req_bd_dma, GFP_KERNEL);
+	if (bnx2i_conn->gen_pdu.req_bd_tbl == NULL)
+		goto login_req_bd_tbl_failure;
+
+	bnx2i_conn->gen_pdu.resp_bd_tbl =
+		dma_alloc_coherent(&hba->pcidev->dev, PAGE_SIZE,
+				   &bnx2i_conn->gen_pdu.resp_bd_dma,
+				   GFP_KERNEL);
+	if (bnx2i_conn->gen_pdu.resp_bd_tbl == NULL)
+		goto login_resp_bd_tbl_failure;
+
+	return 0;
+
+login_resp_bd_tbl_failure:
+	dma_free_coherent(&hba->pcidev->dev, PAGE_SIZE,
+			  bnx2i_conn->gen_pdu.req_bd_tbl,
+			  bnx2i_conn->gen_pdu.req_bd_dma);
+	bnx2i_conn->gen_pdu.req_bd_tbl = NULL;
+
+login_req_bd_tbl_failure:
+	dma_free_coherent(&hba->pcidev->dev, ISCSI_DEF_MAX_RECV_SEG_LEN,
+			  bnx2i_conn->gen_pdu.resp_buf,
+			  bnx2i_conn->gen_pdu.resp_dma_addr);
+	bnx2i_conn->gen_pdu.resp_buf = NULL;
+login_resp_buf_failure:
+	dma_free_coherent(&hba->pcidev->dev, ISCSI_DEF_MAX_RECV_SEG_LEN,
+			  bnx2i_conn->gen_pdu.req_buf,
+			  bnx2i_conn->gen_pdu.req_dma_addr);
+	bnx2i_conn->gen_pdu.req_buf = NULL;
+login_req_buf_failure:
+	iscsi_conn_printk(KERN_ERR, bnx2i_conn->cls_conn->dd_data,
+			  "login resource alloc failed!!\n");
+	return -ENOMEM;
+
+}
+
+
+/**
+ * bnx2i_iscsi_prep_generic_pdu_bd - prepares BD table.
+ * @bnx2i_conn:		iscsi connection pointer
+ *
+ * Allocates buffers and BD tables before shipping requests to cnic
+ *	for PDUs prepared by 'iscsid' daemon
+ */
+static void bnx2i_iscsi_prep_generic_pdu_bd(struct bnx2i_conn *bnx2i_conn)
+{
+	struct iscsi_bd *bd_tbl;
+
+	bd_tbl = (struct iscsi_bd *) bnx2i_conn->gen_pdu.req_bd_tbl;
+
+	bd_tbl->buffer_addr_hi =
+		(u32) ((u64) bnx2i_conn->gen_pdu.req_dma_addr >> 32);
+	bd_tbl->buffer_addr_lo = (u32) bnx2i_conn->gen_pdu.req_dma_addr;
+	bd_tbl->buffer_length = bnx2i_conn->gen_pdu.req_wr_ptr -
+				bnx2i_conn->gen_pdu.req_buf;
+	bd_tbl->reserved0 = 0;
+	bd_tbl->flags = ISCSI_BD_LAST_IN_BD_CHAIN |
+			ISCSI_BD_FIRST_IN_BD_CHAIN;
+
+	bd_tbl = (struct iscsi_bd  *) bnx2i_conn->gen_pdu.resp_bd_tbl;
+	bd_tbl->buffer_addr_hi = (u64) bnx2i_conn->gen_pdu.resp_dma_addr >> 32;
+	bd_tbl->buffer_addr_lo = (u32) bnx2i_conn->gen_pdu.resp_dma_addr;
+	bd_tbl->buffer_length = ISCSI_DEF_MAX_RECV_SEG_LEN;
+	bd_tbl->reserved0 = 0;
+	bd_tbl->flags = ISCSI_BD_LAST_IN_BD_CHAIN |
+			ISCSI_BD_FIRST_IN_BD_CHAIN;
+}
+
+
+/**
+ * bnx2i_iscsi_send_generic_request - called to send mgmt tasks.
+ * @task:	transport layer task pointer
+ *
+ * called to transmit PDUs prepared by the 'iscsid' daemon. iSCSI login,
+ *	Nop-out and Logout requests flow through this path.
+ */
+static int bnx2i_iscsi_send_generic_request(struct iscsi_task *task)
+{
+	struct bnx2i_cmd *cmd = task->dd_data;
+	struct bnx2i_conn *bnx2i_conn = cmd->conn;
+	int rc = 0;
+	char *buf;
+	int data_len;
+
+	bnx2i_iscsi_prep_generic_pdu_bd(bnx2i_conn);
+	switch (task->hdr->opcode & ISCSI_OPCODE_MASK) {
+	case ISCSI_OP_LOGIN:
+		bnx2i_send_iscsi_login(bnx2i_conn, task);
+		break;
+	case ISCSI_OP_NOOP_OUT:
+		data_len = bnx2i_conn->gen_pdu.req_buf_size;
+		buf = bnx2i_conn->gen_pdu.req_buf;
+		if (data_len)
+			rc = bnx2i_send_iscsi_nopout(bnx2i_conn, task,
+						     RESERVED_ITT,
+						     buf, data_len, 1);
+		else
+			rc = bnx2i_send_iscsi_nopout(bnx2i_conn, task,
+						     RESERVED_ITT,
+						     NULL, 0, 1);
+		break;
+	case ISCSI_OP_LOGOUT:
+		rc = bnx2i_send_iscsi_logout(bnx2i_conn, task);
+		break;
+	case ISCSI_OP_SCSI_TMFUNC:
+		rc = bnx2i_send_iscsi_tmf(bnx2i_conn, task);
+		break;
+	default:
+		iscsi_conn_printk(KERN_ALERT, bnx2i_conn->cls_conn->dd_data,
+				  "send_gen: unsupported op 0x%x\n",
+				  task->hdr->opcode);
+	}
+	return rc;
+}
+
+
+/**********************************************************************
+ *		SCSI-ML Interface
+ **********************************************************************/
+
+/**
+ * bnx2i_cpy_scsi_cdb - copies LUN & CDB fields in required format to sq wqe
+ * @sc:		SCSI-ML command pointer
+ * @cmd:	iscsi cmd pointer
+ */
+static void bnx2i_cpy_scsi_cdb(struct scsi_cmnd *sc, struct bnx2i_cmd *cmd)
+{
+	u32 dword;
+	int lpcnt;
+	u8 *srcp;
+	u32 *dstp;
+	u32 scsi_lun[2];
+
+	int_to_scsilun(sc->device->lun, (struct scsi_lun *) scsi_lun);
+	cmd->req.lun[0] = be32_to_cpu(scsi_lun[0]);
+	cmd->req.lun[1] = be32_to_cpu(scsi_lun[1]);
+
+	lpcnt = cmd->scsi_cmd->cmd_len / sizeof(dword);
+	srcp = (u8 *) sc->cmnd;
+	dstp = (u32 *) cmd->req.cdb;
+	while (lpcnt--) {
+		memcpy(&dword, (const void *) srcp, 4);
+		*dstp = cpu_to_be32(dword);
+		srcp += 4;
+		dstp++;
+	}
+	if (sc->cmd_len & 0x3) {
+		dword = (u32) srcp[0] | ((u32) srcp[1] << 8);
+		*dstp = cpu_to_be32(dword);
+	}
+}
+
+static void bnx2i_cleanup_task(struct iscsi_task *task)
+{
+	struct iscsi_conn *conn = task->conn;
+	struct bnx2i_conn *bnx2i_conn = conn->dd_data;
+	struct bnx2i_hba *hba = bnx2i_conn->hba;
+
+	/*
+	 * mgmt task or cmd was never sent to us to transmit.
+	 */
+	if (!task->sc || task->state == ISCSI_TASK_PENDING)
+		return;
+	/*
+	 * need to clean-up task context to claim dma buffers
+	 */
+	if (task->state == ISCSI_TASK_ABRT_TMF) {
+		bnx2i_send_cmd_cleanup_req(hba, task->dd_data);
+
+		spin_unlock_bh(&conn->session->lock);
+		wait_for_completion_timeout(&bnx2i_conn->cmd_cleanup_cmpl,
+				msecs_to_jiffies(ISCSI_CMD_CLEANUP_TIMEOUT));
+		spin_lock_bh(&conn->session->lock);
+	}
+	bnx2i_iscsi_unmap_sg_list(task->dd_data);
+}
+
+/**
+ * bnx2i_mtask_xmit - transmit mtask to chip for further processing
+ * @conn:	transport layer conn structure pointer
+ * @task:	transport layer command structure pointer
+ */
+static int
+bnx2i_mtask_xmit(struct iscsi_conn *conn, struct iscsi_task *task)
+{
+	struct bnx2i_conn *bnx2i_conn = conn->dd_data;
+	struct bnx2i_cmd *cmd = task->dd_data;
+
+	memset(bnx2i_conn->gen_pdu.req_buf, 0, ISCSI_DEF_MAX_RECV_SEG_LEN);
+
+	bnx2i_setup_cmd_wqe_template(cmd);
+	bnx2i_conn->gen_pdu.req_buf_size = task->data_count;
+	if (task->data_count) {
+		memcpy(bnx2i_conn->gen_pdu.req_buf, task->data,
+		       task->data_count);
+		bnx2i_conn->gen_pdu.req_wr_ptr =
+			bnx2i_conn->gen_pdu.req_buf + task->data_count;
+	}
+	cmd->conn = conn->dd_data;
+	cmd->scsi_cmd = NULL;
+	return bnx2i_iscsi_send_generic_request(task);
+}
+
+/**
+ * bnx2i_task_xmit - transmit iscsi command to chip for further processing
+ * @task:	transport layer command structure pointer
+ *
+ * maps SG buffers and send request to chip/firmware in the form of SQ WQE
+ */
+static int bnx2i_task_xmit(struct iscsi_task *task)
+{
+	struct iscsi_conn *conn = task->conn;
+	struct iscsi_session *session = conn->session;
+	struct Scsi_Host *shost = iscsi_session_to_shost(session->cls_session);
+	struct bnx2i_hba *hba = iscsi_host_priv(shost);
+	struct bnx2i_conn *bnx2i_conn = conn->dd_data;
+	struct scsi_cmnd *sc = task->sc;
+	struct bnx2i_cmd *cmd = task->dd_data;
+	struct iscsi_cmd *hdr = (struct iscsi_cmd *) task->hdr;
+
+	if (test_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state))
+		return -ENOTCONN;
+
+	if (!bnx2i_conn->is_bound)
+		return -ENOTCONN;
+
+	/*
+	 * If there is no scsi_cmnd this must be a mgmt task
+	 */
+	if (!sc)
+		return bnx2i_mtask_xmit(conn, task);
+
+	bnx2i_setup_cmd_wqe_template(cmd);
+	cmd->req.op_code = ISCSI_OP_SCSI_CMD;
+	cmd->conn = bnx2i_conn;
+	cmd->scsi_cmd = sc;
+	cmd->req.total_data_transfer_length = scsi_bufflen(sc);
+	cmd->req.cmd_sn = be32_to_cpu(hdr->cmdsn);
+
+	bnx2i_iscsi_map_sg_list(cmd);
+	bnx2i_cpy_scsi_cdb(sc, cmd);
+
+	cmd->req.op_attr = ISCSI_ATTR_SIMPLE;
+	if (sc->sc_data_direction == DMA_TO_DEVICE) {
+		cmd->req.op_attr |= ISCSI_CMD_REQUEST_WRITE;
+		cmd->req.itt = task->itt |
+			(ISCSI_TASK_TYPE_WRITE << ISCSI_CMD_REQUEST_TYPE_SHIFT);
+		bnx2i_setup_write_cmd_bd_info(task);
+	} else {
+		if (scsi_bufflen(sc))
+			cmd->req.op_attr |= ISCSI_CMD_REQUEST_READ;
+		cmd->req.itt = task->itt |
+			(ISCSI_TASK_TYPE_READ << ISCSI_CMD_REQUEST_TYPE_SHIFT);
+	}
+
+	cmd->req.num_bds = cmd->io_tbl.bd_valid;
+	if (!cmd->io_tbl.bd_valid) {
+		cmd->req.bd_list_addr_lo = (u32) hba->mp_bd_dma;
+		cmd->req.bd_list_addr_hi = (u32) ((u64) hba->mp_bd_dma >> 32);
+		cmd->req.num_bds = 1;
+	}
+
+	bnx2i_send_iscsi_scsicmd(bnx2i_conn, cmd);
+	return 0;
+}
+
+/**
+ * bnx2i_session_create - create a new iscsi session
+ * @cmds_max:		max commands supported
+ * @qdepth:		scsi queue depth to support
+ * @initial_cmdsn:	initial iscsi CMDSN to be used for this session
+ *
+ * Creates a new iSCSI session instance on given device.
+ */
+static struct iscsi_cls_session *
+bnx2i_session_create(struct iscsi_endpoint *ep,
+		     uint16_t cmds_max, uint16_t qdepth,
+		     uint32_t initial_cmdsn)
+{
+	struct Scsi_Host *shost;
+	struct iscsi_cls_session *cls_session;
+	struct bnx2i_hba *hba;
+	struct bnx2i_endpoint *bnx2i_ep;
+
+	if (!ep) {
+		printk(KERN_ERR "bnx2i: missing ep.\n");
+		return NULL;
+	}
+
+	bnx2i_ep = ep->dd_data;
+	shost = bnx2i_ep->hba->shost;
+	hba = iscsi_host_priv(shost);
+	if (bnx2i_adapter_ready(hba))
+		return NULL;
+
+	/*
+	 * user can override hw limit as long as it is within
+	 * the min/max.
+	 */
+	if (cmds_max > hba->max_sqes)
+		cmds_max = hba->max_sqes;
+	else if (cmds_max < BNX2I_SQ_WQES_MIN)
+		cmds_max = BNX2I_SQ_WQES_MIN;
+
+	cls_session = iscsi_session_setup(&bnx2i_iscsi_transport, shost,
+					  cmds_max, sizeof(struct bnx2i_cmd),
+					  initial_cmdsn, ISCSI_MAX_TARGET);
+	if (!cls_session)
+		return NULL;
+
+	if (bnx2i_setup_cmd_pool(hba, cls_session->dd_data))
+		goto session_teardown;
+	return cls_session;
+
+session_teardown:
+	iscsi_session_teardown(cls_session);
+	return NULL;
+}
+
+
+/**
+ * bnx2i_session_destroy - destroys iscsi session
+ * @cls_session:	pointer to iscsi cls session
+ *
+ * Destroys previously created iSCSI session instance and releases
+ *	all resources held by it
+ */
+static void bnx2i_session_destroy(struct iscsi_cls_session *cls_session)
+{
+	struct iscsi_session *session = cls_session->dd_data;
+	struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
+	struct bnx2i_hba *hba = iscsi_host_priv(shost);
+
+	bnx2i_destroy_cmd_pool(hba, session);
+	iscsi_session_teardown(cls_session);
+}
+
+
+/**
+ * bnx2i_conn_create - create iscsi connection instance
+ * @cls_session:	pointer to iscsi cls session
+ * @cid:		iscsi cid as per rfc (not NX2's CID terminology)
+ *
+ * Creates a new iSCSI connection instance for a given session
+ */
+static struct iscsi_cls_conn *
+bnx2i_conn_create(struct iscsi_cls_session *cls_session, uint32_t cid)
+{
+	struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
+	struct bnx2i_hba *hba = iscsi_host_priv(shost);
+	struct bnx2i_conn *bnx2i_conn;
+	struct iscsi_cls_conn *cls_conn;
+	struct iscsi_conn *conn;
+
+	cls_conn = iscsi_conn_setup(cls_session, sizeof(*bnx2i_conn),
+				    cid);
+	if (!cls_conn)
+		return NULL;
+	conn = cls_conn->dd_data;
+
+	bnx2i_conn = conn->dd_data;
+	bnx2i_conn->cls_conn = cls_conn;
+	bnx2i_conn->hba = hba;
+	/* 'ep' ptr will be assigned in bind() call */
+	bnx2i_conn->ep = NULL;
+	init_completion(&bnx2i_conn->cmd_cleanup_cmpl);
+
+	if (bnx2i_conn_alloc_login_resources(hba, bnx2i_conn)) {
+		iscsi_conn_printk(KERN_ALERT, conn,
+				  "conn_new: login resc alloc failed!!\n");
+		goto free_conn;
+	}
+
+	return cls_conn;
+
+free_conn:
+	iscsi_conn_teardown(cls_conn);
+	return NULL;
+}
+
+/**
+ * bnx2i_conn_bind - binds iscsi sess, conn and ep objects together
+ * @cls_session:	pointer to iscsi cls session
+ * @cls_conn:		pointer to iscsi cls conn
+ * @transport_fd:	64-bit EP handle
+ * @is_leading:		leading connection on this session?
+ *
+ * Binds together iSCSI session instance, iSCSI connection instance
+ *	and the TCP connection. This routine returns error code if
+ *	TCP connection does not belong on the device iSCSI sess/conn
+ *	is bound
+ */
+static int bnx2i_conn_bind(struct iscsi_cls_session *cls_session,
+			   struct iscsi_cls_conn *cls_conn,
+			   uint64_t transport_fd, int is_leading)
+{
+	struct iscsi_conn *conn = cls_conn->dd_data;
+	struct bnx2i_conn *bnx2i_conn = conn->dd_data;
+	struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
+	struct bnx2i_hba *hba = iscsi_host_priv(shost);
+	struct bnx2i_endpoint *bnx2i_ep;
+	struct iscsi_endpoint *ep;
+	int ret_code;
+
+	ep = iscsi_lookup_endpoint(transport_fd);
+	if (!ep)
+		return -EINVAL;
+
+	bnx2i_ep = ep->dd_data;
+	if ((bnx2i_ep->state == EP_STATE_TCP_FIN_RCVD) ||
+	    (bnx2i_ep->state == EP_STATE_TCP_RST_RCVD))
+		/* Peer disconnect via' FIN or RST */
+		return -EINVAL;
+
+	if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
+		return -EINVAL;
+
+	if (bnx2i_ep->hba != hba) {
+		/* Error - TCP connection does not belong to this device
+		 */
+		iscsi_conn_printk(KERN_ALERT, cls_conn->dd_data,
+				  "conn bind, ep=0x%p (%s) does not",
+				  bnx2i_ep, bnx2i_ep->hba->netdev->name);
+		iscsi_conn_printk(KERN_ALERT, cls_conn->dd_data,
+				  "belong to hba (%s)\n",
+				  hba->netdev->name);
+		return -EEXIST;
+	}
+
+	bnx2i_ep->conn = bnx2i_conn;
+	bnx2i_conn->ep = bnx2i_ep;
+	bnx2i_conn->iscsi_conn_cid = bnx2i_ep->ep_iscsi_cid;
+	bnx2i_conn->fw_cid = bnx2i_ep->ep_cid;
+	bnx2i_conn->is_bound = 1;
+
+	ret_code = bnx2i_bind_conn_to_iscsi_cid(hba, bnx2i_conn,
+						bnx2i_ep->ep_iscsi_cid);
+
+	/* 5706/5708/5709 FW takes RQ as full when initiated, but for 57710
+	 * driver needs to explicitly replenish RQ index during setup.
+	 */
+	if (test_bit(BNX2I_NX2_DEV_57710, &bnx2i_ep->hba->cnic_dev_type))
+		bnx2i_put_rq_buf(bnx2i_conn, 0);
+
+	bnx2i_arm_cq_event_coalescing(bnx2i_conn->ep, CNIC_ARM_CQE);
+	return ret_code;
+}
+
+
+/**
+ * bnx2i_conn_destroy - destroy iscsi connection instance & release resources
+ * @cls_conn:	pointer to iscsi cls conn
+ *
+ * Destroy an iSCSI connection instance and release memory resources held by
+ *	this connection
+ */
+static void bnx2i_conn_destroy(struct iscsi_cls_conn *cls_conn)
+{
+	struct iscsi_conn *conn = cls_conn->dd_data;
+	struct bnx2i_conn *bnx2i_conn = conn->dd_data;
+	struct Scsi_Host *shost;
+	struct bnx2i_hba *hba;
+
+	shost = iscsi_session_to_shost(iscsi_conn_to_session(cls_conn));
+	hba = iscsi_host_priv(shost);
+
+	bnx2i_conn_free_login_resources(hba, bnx2i_conn);
+	iscsi_conn_teardown(cls_conn);
+}
+
+
+/**
+ * bnx2i_conn_get_param - return iscsi connection parameter to caller
+ * @cls_conn:	pointer to iscsi cls conn
+ * @param:	parameter type identifier
+ * @buf: 	buffer pointer
+ *
+ * returns iSCSI connection parameters
+ */
+static int bnx2i_conn_get_param(struct iscsi_cls_conn *cls_conn,
+				enum iscsi_param param, char *buf)
+{
+	struct iscsi_conn *conn = cls_conn->dd_data;
+	struct bnx2i_conn *bnx2i_conn = conn->dd_data;
+	int len = 0;
+
+	switch (param) {
+	case ISCSI_PARAM_CONN_PORT:
+		if (bnx2i_conn->ep)
+			len = sprintf(buf, "%hu\n",
+				      bnx2i_conn->ep->cm_sk->dst_port);
+		break;
+	case ISCSI_PARAM_CONN_ADDRESS:
+		if (bnx2i_conn->ep)
+			len = sprintf(buf, NIPQUAD_FMT "\n",
+				      NIPQUAD(bnx2i_conn->ep->cm_sk->dst_ip));
+		break;
+	default:
+		return iscsi_conn_get_param(cls_conn, param, buf);
+	}
+
+	return len;
+}
+
+/**
+ * bnx2i_host_get_param - returns host (adapter) related parameters
+ * @shost:	scsi host pointer
+ * @param:	parameter type identifier
+ * @buf:	buffer pointer
+ */
+static int bnx2i_host_get_param(struct Scsi_Host *shost,
+				enum iscsi_host_param param, char *buf)
+{
+	struct bnx2i_hba *hba = iscsi_host_priv(shost);
+	int len = 0;
+
+	switch (param) {
+	case ISCSI_HOST_PARAM_HWADDRESS:
+		len = sysfs_format_mac(buf, hba->cnic->mac_addr, 6);
+		break;
+	case ISCSI_HOST_PARAM_NETDEV_NAME:
+		len = sprintf(buf, "%s\n", hba->netdev->name);
+		break;
+	default:
+		return iscsi_host_get_param(shost, param, buf);
+	}
+	return len;
+}
+
+/**
+ * bnx2i_conn_start - completes iscsi connection migration to FFP
+ * @cls_conn:	pointer to iscsi cls conn
+ *
+ * last call in FFP migration to handover iscsi conn to the driver
+ */
+static int bnx2i_conn_start(struct iscsi_cls_conn *cls_conn)
+{
+	struct iscsi_conn *conn = cls_conn->dd_data;
+	struct bnx2i_conn *bnx2i_conn = conn->dd_data;
+
+	bnx2i_conn->ep->state = EP_STATE_ULP_UPDATE_START;
+	bnx2i_update_iscsi_conn(conn);
+
+	/*
+	 * this should normally not sleep for a long time so it should
+	 * not disrupt the caller.
+	 */
+	bnx2i_conn->ep->ofld_timer.expires = 1 * HZ + jiffies;
+	bnx2i_conn->ep->ofld_timer.function = bnx2i_ep_ofld_timer;
+	bnx2i_conn->ep->ofld_timer.data = (unsigned long) bnx2i_conn->ep;
+	add_timer(&bnx2i_conn->ep->ofld_timer);
+	/* update iSCSI context for this conn, wait for CNIC to complete */
+	wait_event_interruptible(bnx2i_conn->ep->ofld_wait,
+			bnx2i_conn->ep->state != EP_STATE_ULP_UPDATE_START);
+
+	if (signal_pending(current))
+		flush_signals(current);
+	del_timer_sync(&bnx2i_conn->ep->ofld_timer);
+
+	iscsi_conn_start(cls_conn);
+	return 0;
+}
+
+
+/**
+ * bnx2i_conn_get_stats - returns iSCSI stats
+ * @cls_conn:	pointer to iscsi cls conn
+ * @stats:	pointer to iscsi statistic struct
+ */
+static void bnx2i_conn_get_stats(struct iscsi_cls_conn *cls_conn,
+				 struct iscsi_stats *stats)
+{
+	struct iscsi_conn *conn = cls_conn->dd_data;
+
+	stats->txdata_octets = conn->txdata_octets;
+	stats->rxdata_octets = conn->rxdata_octets;
+	stats->scsicmd_pdus = conn->scsicmd_pdus_cnt;
+	stats->dataout_pdus = conn->dataout_pdus_cnt;
+	stats->scsirsp_pdus = conn->scsirsp_pdus_cnt;
+	stats->datain_pdus = conn->datain_pdus_cnt;
+	stats->r2t_pdus = conn->r2t_pdus_cnt;
+	stats->tmfcmd_pdus = conn->tmfcmd_pdus_cnt;
+	stats->tmfrsp_pdus = conn->tmfrsp_pdus_cnt;
+	stats->custom_length = 3;
+	strcpy(stats->custom[2].desc, "eh_abort_cnt");
+	stats->custom[2].value = conn->eh_abort_cnt;
+	stats->digest_err = 0;
+	stats->timeout_err = 0;
+	stats->custom_length = 0;
+}
+
+
+/**
+ * bnx2i_check_route - checks if target IP route belongs to one of NX2 devices
+ * @dst_addr:	target IP address
+ *
+ * check if route resolves to BNX2 device
+ */
+static struct bnx2i_hba *bnx2i_check_route(struct sockaddr *dst_addr)
+{
+	struct sockaddr_in *desti = (struct sockaddr_in *) dst_addr;
+	struct bnx2i_hba *hba;
+	struct cnic_dev *cnic = NULL;
+
+	bnx2i_reg_dev_all();
+
+	hba = get_adapter_list_head();
+	if (hba && hba->cnic)
+		cnic = hba->cnic->cm_select_dev(desti, CNIC_ULP_ISCSI);
+	if (!cnic) {
+		printk(KERN_ALERT "bnx2i: no route,"
+		       "can't connect using cnic\n");
+		goto no_nx2_route;
+	}
+	hba = bnx2i_find_hba_for_cnic(cnic);
+	if (!hba)
+		goto no_nx2_route;
+
+	if (bnx2i_adapter_ready(hba)) {
+		printk(KERN_ALERT "bnx2i: check route, hba not found\n");
+		goto no_nx2_route;
+	}
+	if (hba->netdev->mtu > hba->mtu_supported) {
+		printk(KERN_ALERT "bnx2i: %s network i/f mtu is set to %d\n",
+				  hba->netdev->name, hba->netdev->mtu);
+		printk(KERN_ALERT "bnx2i: iSCSI HBA can support mtu of %d\n",
+				  hba->mtu_supported);
+		goto no_nx2_route;
+	}
+	return hba;
+no_nx2_route:
+	return NULL;
+}
+
+
+/**
+ * bnx2i_tear_down_conn - tear down iscsi/tcp connection and free resources
+ * @hba:	pointer to adapter instance
+ * @ep:		endpoint (transport indentifier) structure
+ *
+ * destroys cm_sock structure and on chip iscsi context
+ */
+static int bnx2i_tear_down_conn(struct bnx2i_hba *hba,
+				 struct bnx2i_endpoint *ep)
+{
+	if (test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic))
+		hba->cnic->cm_destroy(ep->cm_sk);
+
+	if (test_bit(ADAPTER_STATE_GOING_DOWN, &ep->hba->adapter_state))
+		ep->state = EP_STATE_DISCONN_COMPL;
+
+	if (test_bit(BNX2I_NX2_DEV_57710, &hba->cnic_dev_type) &&
+	    ep->state == EP_STATE_DISCONN_TIMEDOUT) {
+		printk(KERN_ALERT "bnx2i - ERROR - please submit GRC Dump,"
+				  " NW/PCIe trace, driver msgs to developers"
+				  " for analysis\n");
+		return 1;
+	}
+
+	ep->state = EP_STATE_CLEANUP_START;
+	init_timer(&ep->ofld_timer);
+	ep->ofld_timer.expires = 10*HZ + jiffies;
+	ep->ofld_timer.function = bnx2i_ep_ofld_timer;
+	ep->ofld_timer.data = (unsigned long) ep;
+	add_timer(&ep->ofld_timer);
+
+	bnx2i_ep_destroy_list_add(hba, ep);
+
+	/* destroy iSCSI context, wait for it to complete */
+	bnx2i_send_conn_destroy(hba, ep);
+	wait_event_interruptible(ep->ofld_wait,
+				 (ep->state != EP_STATE_CLEANUP_START));
+
+	if (signal_pending(current))
+		flush_signals(current);
+	del_timer_sync(&ep->ofld_timer);
+
+	bnx2i_ep_destroy_list_del(hba, ep);
+
+	if (ep->state != EP_STATE_CLEANUP_CMPL)
+		/* should never happen */
+		printk(KERN_ALERT "bnx2i - conn destroy failed\n");
+
+	return 0;
+}
+
+
+/**
+ * bnx2i_ep_connect - establish TCP connection to target portal
+ * @shost:		scsi host
+ * @dst_addr:		target IP address
+ * @non_blocking:	blocking or non-blocking call
+ *
+ * this routine initiates the TCP/IP connection by invoking Option-2 i/f
+ *	with l5_core and the CNIC. This is a multi-step process of resolving
+ *	route to target, create a iscsi connection context, handshaking with
+ *	CNIC module to create/initialize the socket struct and finally
+ *	sending down option-2 request to complete TCP 3-way handshake
+ */
+static struct iscsi_endpoint *bnx2i_ep_connect(struct Scsi_Host *shost,
+					       struct sockaddr *dst_addr,
+					       int non_blocking)
+{
+	u32 iscsi_cid = BNX2I_CID_RESERVED;
+	struct sockaddr_in *desti = (struct sockaddr_in *) dst_addr;
+	struct sockaddr_in6 *desti6;
+	struct bnx2i_endpoint *bnx2i_ep;
+	struct bnx2i_hba *hba;
+	struct cnic_dev *cnic;
+	struct cnic_sockaddr saddr;
+	struct iscsi_endpoint *ep;
+	int rc = 0;
+
+	if (shost)
+		/* driver is given scsi host to work with */
+		hba = iscsi_host_priv(shost);
+	else
+		/*
+		 * check if the given destination can be reached through
+		 * a iscsi capable NetXtreme2 device
+		 */
+		hba = bnx2i_check_route(dst_addr);
+	if (!hba) {
+		rc = -ENOMEM;
+		goto check_busy;
+	}
+
+	cnic = hba->cnic;
+	ep = bnx2i_alloc_ep(hba);
+	if (!ep) {
+		rc = -ENOMEM;
+		goto check_busy;
+	}
+	bnx2i_ep = ep->dd_data;
+
+	mutex_lock(&hba->net_dev_lock);
+	if (bnx2i_adapter_ready(hba)) {
+		rc = -EPERM;
+		goto net_if_down;
+	}
+
+	bnx2i_ep->state = EP_STATE_IDLE;
+	bnx2i_ep->ep_iscsi_cid = (u16) -1;
+	bnx2i_ep->num_active_cmds = 0;
+	iscsi_cid = bnx2i_alloc_iscsi_cid(hba);
+	if (iscsi_cid == -1) {
+		printk(KERN_ALERT "alloc_ep: unable to allocate iscsi cid\n");
+		rc = -ENOMEM;
+		goto iscsi_cid_err;
+	}
+	bnx2i_ep->hba_age = hba->age;
+
+	rc = bnx2i_alloc_qp_resc(hba, bnx2i_ep);
+	if (rc != 0) {
+		printk(KERN_ALERT "bnx2i: ep_conn, alloc QP resc error\n");
+		rc = -ENOMEM;
+		goto qp_resc_err;
+	}
+
+	bnx2i_ep->ep_iscsi_cid = (u16)iscsi_cid;
+	bnx2i_ep->state = EP_STATE_OFLD_START;
+	bnx2i_ep_ofld_list_add(hba, bnx2i_ep);
+
+	init_timer(&bnx2i_ep->ofld_timer);
+	bnx2i_ep->ofld_timer.expires = 2 * HZ + jiffies;
+	bnx2i_ep->ofld_timer.function = bnx2i_ep_ofld_timer;
+	bnx2i_ep->ofld_timer.data = (unsigned long) bnx2i_ep;
+	add_timer(&bnx2i_ep->ofld_timer);
+
+	bnx2i_send_conn_ofld_req(hba, bnx2i_ep);
+
+	/* Wait for CNIC hardware to setup conn context and return 'cid' */
+	wait_event_interruptible(bnx2i_ep->ofld_wait,
+				 bnx2i_ep->state != EP_STATE_OFLD_START);
+
+	if (signal_pending(current))
+		flush_signals(current);
+	del_timer_sync(&bnx2i_ep->ofld_timer);
+
+	bnx2i_ep_ofld_list_del(hba, bnx2i_ep);
+
+	if (bnx2i_ep->state != EP_STATE_OFLD_COMPL) {
+		rc = -ENOSPC;
+		goto conn_failed;
+	}
+
+	rc = cnic->cm_create(cnic, CNIC_ULP_ISCSI, bnx2i_ep->ep_cid,
+			     iscsi_cid, &bnx2i_ep->cm_sk, bnx2i_ep);
+	if (rc) {
+		rc = -EINVAL;
+		goto conn_failed;
+	}
+
+	bnx2i_ep->cm_sk->rcv_buf = 256 * 1024;
+	bnx2i_ep->cm_sk->snd_buf = 256 * 1024;
+	clear_bit(SK_TCP_TIMESTAMP, &bnx2i_ep->cm_sk->tcp_flags);
+
+	memset(&saddr, 0, sizeof(saddr));
+	if (dst_addr->sa_family == AF_INET) {
+		desti = (struct sockaddr_in *) dst_addr;
+		saddr.remote.v4 = *desti;
+		saddr.local.v4.sin_family = desti->sin_family;
+	} else if (dst_addr->sa_family == AF_INET6) {
+		desti6 = (struct sockaddr_in6 *) dst_addr;
+		saddr.remote.v6 = *desti6;
+		saddr.local.v6.sin6_family = desti6->sin6_family;
+	}
+
+	bnx2i_ep->timestamp = jiffies;
+	bnx2i_ep->state = EP_STATE_CONNECT_START;
+	if (!test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic)) {
+		rc = -EINVAL;
+		goto conn_failed;
+	} else
+		rc = cnic->cm_connect(bnx2i_ep->cm_sk, &saddr);
+
+	if (rc)
+		goto release_ep;
+
+	if (bnx2i_map_ep_dbell_regs(bnx2i_ep))
+		goto release_ep;
+	mutex_unlock(&hba->net_dev_lock);
+	return ep;
+
+release_ep:
+	if (bnx2i_tear_down_conn(hba, bnx2i_ep)) {
+		mutex_unlock(&hba->net_dev_lock);
+		return ERR_PTR(rc);
+	}
+conn_failed:
+net_if_down:
+iscsi_cid_err:
+	bnx2i_free_qp_resc(hba, bnx2i_ep);
+qp_resc_err:
+	bnx2i_free_ep(ep);
+	mutex_unlock(&hba->net_dev_lock);
+check_busy:
+	bnx2i_unreg_dev_all();
+	return ERR_PTR(rc);
+}
+
+
+/**
+ * bnx2i_ep_poll - polls for TCP connection establishement
+ * @ep:			TCP connection (endpoint) handle
+ * @timeout_ms:		timeout value in milli secs
+ *
+ * polls for TCP connect request to complete
+ */
+static int bnx2i_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
+{
+	struct bnx2i_endpoint *bnx2i_ep;
+	int rc = 0;
+
+	bnx2i_ep = ep->dd_data;
+	if ((bnx2i_ep->state == EP_STATE_IDLE) ||
+	    (bnx2i_ep->state == EP_STATE_CONNECT_FAILED) ||
+	    (bnx2i_ep->state == EP_STATE_OFLD_FAILED))
+		return -1;
+	if (bnx2i_ep->state == EP_STATE_CONNECT_COMPL)
+		return 1;
+
+	rc = wait_event_interruptible_timeout(bnx2i_ep->ofld_wait,
+					      ((bnx2i_ep->state ==
+						EP_STATE_OFLD_FAILED) ||
+					       (bnx2i_ep->state ==
+						EP_STATE_CONNECT_FAILED) ||
+					       (bnx2i_ep->state ==
+						EP_STATE_CONNECT_COMPL)),
+					      msecs_to_jiffies(timeout_ms));
+	if (!rc || (bnx2i_ep->state == EP_STATE_OFLD_FAILED))
+		rc = -1;
+
+	if (rc > 0)
+		return 1;
+	else if (!rc)
+		return 0;	/* timeout */
+	else
+		return rc;
+}
+
+
+/**
+ * bnx2i_ep_tcp_conn_active - check EP state transition
+ * @ep:		endpoint pointer
+ *
+ * check if underlying TCP connection is active
+ */
+static int bnx2i_ep_tcp_conn_active(struct bnx2i_endpoint *bnx2i_ep)
+{
+	int ret;
+	int cnic_dev_10g = 0;
+
+	if (test_bit(BNX2I_NX2_DEV_57710, &bnx2i_ep->hba->cnic_dev_type))
+		cnic_dev_10g = 1;
+
+	switch (bnx2i_ep->state) {
+	case EP_STATE_CONNECT_START:
+	case EP_STATE_CLEANUP_FAILED:
+	case EP_STATE_OFLD_FAILED:
+	case EP_STATE_DISCONN_TIMEDOUT:
+		ret = 0;
+		break;
+	case EP_STATE_CONNECT_COMPL:
+	case EP_STATE_ULP_UPDATE_START:
+	case EP_STATE_ULP_UPDATE_COMPL:
+	case EP_STATE_TCP_FIN_RCVD:
+	case EP_STATE_ULP_UPDATE_FAILED:
+		ret = 1;
+		break;
+	case EP_STATE_TCP_RST_RCVD:
+		ret = 0;
+		break;
+	case EP_STATE_CONNECT_FAILED:
+		if (cnic_dev_10g)
+			ret = 1;
+		else
+			ret = 0;
+		break;
+	default:
+		ret = 0;
+	}
+
+	return ret;
+}
+
+
+/**
+ * bnx2i_ep_disconnect - executes TCP connection teardown process
+ * @ep:		TCP connection (endpoint) handle
+ *
+ * executes  TCP connection teardown process
+ */
+static void bnx2i_ep_disconnect(struct iscsi_endpoint *ep)
+{
+	struct bnx2i_endpoint *bnx2i_ep;
+	struct bnx2i_conn *bnx2i_conn = NULL;
+	struct iscsi_session *session = NULL;
+	struct iscsi_conn *conn;
+	struct cnic_dev *cnic;
+	struct bnx2i_hba *hba;
+
+	bnx2i_ep = ep->dd_data;
+
+	/* driver should not attempt connection cleanup untill TCP_CONNECT
+	 * completes either successfully or fails. Timeout is 9-secs, so
+	 * wait for it to complete
+	 */
+	while ((bnx2i_ep->state == EP_STATE_CONNECT_START) &&
+		!time_after(jiffies, bnx2i_ep->timestamp + (12 * HZ)))
+		msleep(250);
+
+	if (bnx2i_ep->conn) {
+		bnx2i_conn = bnx2i_ep->conn;
+		conn = bnx2i_conn->cls_conn->dd_data;
+		session = conn->session;
+
+		spin_lock_bh(&session->lock);
+		bnx2i_conn->is_bound = 0;
+		spin_unlock_bh(&session->lock);
+	}
+
+	hba = bnx2i_ep->hba;
+	if (bnx2i_ep->state == EP_STATE_IDLE)
+		goto return_bnx2i_ep;
+	cnic = hba->cnic;
+
+	mutex_lock(&hba->net_dev_lock);
+
+	if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state))
+		goto free_resc;
+	if (bnx2i_ep->hba_age != hba->age)
+		goto free_resc;
+
+	if (!bnx2i_ep_tcp_conn_active(bnx2i_ep))
+		goto destory_conn;
+
+	bnx2i_ep->state = EP_STATE_DISCONN_START;
+
+	init_timer(&bnx2i_ep->ofld_timer);
+	bnx2i_ep->ofld_timer.expires = 10*HZ + jiffies;
+	bnx2i_ep->ofld_timer.function = bnx2i_ep_ofld_timer;
+	bnx2i_ep->ofld_timer.data = (unsigned long) bnx2i_ep;
+	add_timer(&bnx2i_ep->ofld_timer);
+
+	if (test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic)) {
+		int close = 0;
+
+		if (session) {
+			spin_lock_bh(&session->lock);
+			if (session->state == ISCSI_STATE_LOGGING_OUT)
+				close = 1;
+			spin_unlock_bh(&session->lock);
+		}
+		if (close)
+			cnic->cm_close(bnx2i_ep->cm_sk);
+		else
+			cnic->cm_abort(bnx2i_ep->cm_sk);
+	} else
+		goto free_resc;
+
+	/* wait for option-2 conn teardown */
+	wait_event_interruptible(bnx2i_ep->ofld_wait,
+				 bnx2i_ep->state != EP_STATE_DISCONN_START);
+
+	if (signal_pending(current))
+		flush_signals(current);
+	del_timer_sync(&bnx2i_ep->ofld_timer);
+
+destory_conn:
+	if (bnx2i_tear_down_conn(hba, bnx2i_ep)) {
+		mutex_unlock(&hba->net_dev_lock);
+		return;
+	}
+free_resc:
+	mutex_unlock(&hba->net_dev_lock);
+	bnx2i_free_qp_resc(hba, bnx2i_ep);
+return_bnx2i_ep:
+	if (bnx2i_conn)
+		bnx2i_conn->ep = NULL;
+
+	bnx2i_free_ep(ep);
+
+	if (!hba->ofld_conns_active)
+		bnx2i_unreg_dev_all();
+}
+
+
+/**
+ * bnx2i_nl_set_path - ISCSI_UEVENT_PATH_UPDATE user message handler
+ * @buf:	pointer to buffer containing iscsi path message
+ *
+ */
+static int bnx2i_nl_set_path(struct Scsi_Host *shost, struct iscsi_path *params)
+{
+	struct bnx2i_hba *hba = iscsi_host_priv(shost);
+	char *buf = (char *) params;
+	u16 len = sizeof(*params);
+
+	/* handled by cnic driver */
+	hba->cnic->iscsi_nl_msg_recv(hba->cnic, ISCSI_UEVENT_PATH_UPDATE, buf,
+				     len);
+
+	return 0;
+}
+
+
+/*
+ * 'Scsi_Host_Template' structure and 'iscsi_tranport' structure template
+ * used while registering with the scsi host and iSCSI transport module.
+ */
+static struct scsi_host_template bnx2i_host_template = {
+	.module			= THIS_MODULE,
+	.name			= "Broadcom Offload iSCSI Initiator",
+	.proc_name		= "bnx2i",
+	.queuecommand		= iscsi_queuecommand,
+	.eh_abort_handler	= iscsi_eh_abort,
+	.eh_device_reset_handler = iscsi_eh_device_reset,
+	.eh_target_reset_handler = iscsi_eh_target_reset,
+	.can_queue		= 1024,
+	.max_sectors		= 127,
+	.cmd_per_lun		= 32,
+	.this_id		= -1,
+	.use_clustering		= ENABLE_CLUSTERING,
+	.sg_tablesize		= ISCSI_MAX_BDS_PER_CMD,
+	.shost_attrs		= bnx2i_dev_attributes,
+};
+
+struct iscsi_transport bnx2i_iscsi_transport = {
+	.owner			= THIS_MODULE,
+	.name			= "bnx2i",
+	.caps			= CAP_RECOVERY_L0 | CAP_HDRDGST |
+				  CAP_MULTI_R2T | CAP_DATADGST |
+				  CAP_DATA_PATH_OFFLOAD,
+	.param_mask		= ISCSI_MAX_RECV_DLENGTH |
+				  ISCSI_MAX_XMIT_DLENGTH |
+				  ISCSI_HDRDGST_EN |
+				  ISCSI_DATADGST_EN |
+				  ISCSI_INITIAL_R2T_EN |
+				  ISCSI_MAX_R2T |
+				  ISCSI_IMM_DATA_EN |
+				  ISCSI_FIRST_BURST |
+				  ISCSI_MAX_BURST |
+				  ISCSI_PDU_INORDER_EN |
+				  ISCSI_DATASEQ_INORDER_EN |
+				  ISCSI_ERL |
+				  ISCSI_CONN_PORT |
+				  ISCSI_CONN_ADDRESS |
+				  ISCSI_EXP_STATSN |
+				  ISCSI_PERSISTENT_PORT |
+				  ISCSI_PERSISTENT_ADDRESS |
+				  ISCSI_TARGET_NAME | ISCSI_TPGT |
+				  ISCSI_USERNAME | ISCSI_PASSWORD |
+				  ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN |
+				  ISCSI_FAST_ABORT | ISCSI_ABORT_TMO |
+				  ISCSI_LU_RESET_TMO |
+				  ISCSI_PING_TMO | ISCSI_RECV_TMO |
+				  ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME,
+	.host_param_mask	= ISCSI_HOST_HWADDRESS | ISCSI_HOST_NETDEV_NAME,
+	.create_session		= bnx2i_session_create,
+	.destroy_session	= bnx2i_session_destroy,
+	.create_conn		= bnx2i_conn_create,
+	.bind_conn		= bnx2i_conn_bind,
+	.destroy_conn		= bnx2i_conn_destroy,
+	.set_param		= iscsi_set_param,
+	.get_conn_param		= bnx2i_conn_get_param,
+	.get_session_param	= iscsi_session_get_param,
+	.get_host_param		= bnx2i_host_get_param,
+	.start_conn		= bnx2i_conn_start,
+	.stop_conn		= iscsi_conn_stop,
+	.send_pdu		= iscsi_conn_send_pdu,
+	.xmit_task		= bnx2i_task_xmit,
+	.get_stats		= bnx2i_conn_get_stats,
+	/* TCP connect - disconnect - option-2 interface calls */
+	.ep_connect		= bnx2i_ep_connect,
+	.ep_poll		= bnx2i_ep_poll,
+	.ep_disconnect		= bnx2i_ep_disconnect,
+	.set_path		= bnx2i_nl_set_path,
+	/* Error recovery timeout call */
+	.session_recovery_timedout = iscsi_session_recovery_timedout,
+	.cleanup_task		= bnx2i_cleanup_task,
+};
diff --git a/drivers/scsi/bnx2i/bnx2i_sysfs.c b/drivers/scsi/bnx2i/bnx2i_sysfs.c
new file mode 100644
index 0000000..96426b7
--- /dev/null
+++ b/drivers/scsi/bnx2i/bnx2i_sysfs.c
@@ -0,0 +1,142 @@
+/* bnx2i_sysfs.c: Broadcom NetXtreme II iSCSI driver.
+ *
+ * Copyright (c) 2004 - 2009 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ *
+ * Written by: Anil Veerabhadrappa (anilgv-dY08KVG/lbpWk0Htik3J/[email-masked])
+ */
+
+#include "bnx2i.h"
+
+/**
+ * bnx2i_dev_to_hba - maps dev pointer to adapter struct
+ * @dev:	device pointer
+ *
+ * Map device to hba structure
+ */
+static inline struct bnx2i_hba *bnx2i_dev_to_hba(struct device *dev)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	return iscsi_host_priv(shost);
+}
+
+
+/**
+ * bnx2i_show_sq_info - return(s currently configured send queue (SQ) size
+ * @dev:	device pointer
+ * @buf:	buffer to return current SQ size parameter
+ *
+ * Returns current SQ size parameter, this paramater determines the number
+ * outstanding iSCSI commands supported on a connection
+ */
+static ssize_t bnx2i_show_sq_info(struct device *dev,
+				  struct device_attribute *attr, char *buf)
+{
+	struct bnx2i_hba *hba = bnx2i_dev_to_hba(dev);
+
+	return sprintf(buf, "0x%x\n", hba->max_sqes);
+}
+
+
+/**
+ * bnx2i_set_sq_info - update send queue (SQ) size parameter
+ * @dev:	device pointer
+ * @buf:	buffer to return current SQ size parameter
+ * @count:	parameter buffer size
+ *
+ * Interface for user to change shared queue size allocated for each conn
+ * Must be within SQ limits and a power of 2. For the latter this is needed
+ * because of how libiscsi preallocates tasks.
+ */
+static ssize_t bnx2i_set_sq_info(struct device *dev,
+				 struct device_attribute *attr,
+				 const char *buf, size_t count)
+{
+	struct bnx2i_hba *hba = bnx2i_dev_to_hba(dev);
+	u32 val;
+	int max_sq_size;
+
+	if (hba->ofld_conns_active)
+		goto skip_config;
+
+	if (test_bit(BNX2I_NX2_DEV_57710, &hba->cnic_dev_type))
+		max_sq_size = BNX2I_5770X_SQ_WQES_MAX;
+	else
+		max_sq_size = BNX2I_570X_SQ_WQES_MAX;
+
+	if (sscanf(buf, " 0x%x ", &val) > 0) {
+		if ((val >= BNX2I_SQ_WQES_MIN) && (val <= max_sq_size) &&
+		    (is_power_of_2(val)))
+			hba->max_sqes = val;
+	}
+
+	return count;
+
+skip_config:
+	printk(KERN_ERR "bnx2i: device busy, cannot change SQ size\n");
+	return 0;
+}
+
+
+/**
+ * bnx2i_show_ccell_info - returns command cell (HQ) size
+ * @dev:	device pointer
+ * @buf:	buffer to return current SQ size parameter
+ *
+ * returns per-connection TCP history queue size parameter
+ */
+static ssize_t bnx2i_show_ccell_info(struct device *dev,
+				     struct device_attribute *attr, char *buf)
+{
+	struct bnx2i_hba *hba = bnx2i_dev_to_hba(dev);
+
+	return sprintf(buf, "0x%x\n", hba->num_ccell);
+}
+
+
+/**
+ * bnx2i_get_link_state - set command cell (HQ) size
+ * @dev:	device pointer
+ * @buf:	buffer to return current SQ size parameter
+ * @count:	parameter buffer size
+ *
+ * updates per-connection TCP history queue size parameter
+ */
+static ssize_t bnx2i_set_ccell_info(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *buf, size_t count)
+{
+	u32 val;
+	struct bnx2i_hba *hba = bnx2i_dev_to_hba(dev);
+
+	if (hba->ofld_conns_active)
+		goto skip_config;
+
+	if (sscanf(buf, " 0x%x ", &val) > 0) {
+		if ((val >= BNX2I_CCELLS_MIN) &&
+		    (val <= BNX2I_CCELLS_MAX)) {
+			hba->num_ccell = val;
+		}
+	}
+
+	return count;
+
+skip_config:
+	printk(KERN_ERR "bnx2i: device busy, cannot change CCELL size\n");
+	return 0;
+}
+
+
+static DEVICE_ATTR(sq_size, S_IRUGO | S_IWUSR,
+		   bnx2i_show_sq_info, bnx2i_set_sq_info);
+static DEVICE_ATTR(num_ccell, S_IRUGO | S_IWUSR,
+		   bnx2i_show_ccell_info, bnx2i_set_ccell_info);
+
+struct device_attribute *bnx2i_dev_attributes[] = {
+	&dev_attr_sq_size,
+	&dev_attr_num_ccell,
+	NULL
+};
-- 
1.5.6.GIT