Initial import

1 files changed, 1359 insertions, 0 deletions

diff --git a/drivers/scsi/be2iscsi/be_cmds.h b/drivers/scsi/be2iscsi/be_cmds.h
new file mode 100644
index 000000000..f11d325fe
--- /dev/null
+++ b/drivers/scsi/be2iscsi/be_cmds.h
@@ -0,0 +1,1359 @@
+/**
+ * Copyright (C) 2005 - 2015 Avago Technologies
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.  The full GNU General
+ * Public License is included in this distribution in the file called COPYING.
+ *
+ * Contact Information:
+ * linux-drivers@avagotech.com
+ *
+ * Avago Technologies
+ * 3333 Susan Street
+ * Costa Mesa, CA 92626
+ */
+
+#ifndef BEISCSI_CMDS_H
+#define BEISCSI_CMDS_H
+
+/**
+ * The driver sends configuration and managements command requests to the
+ * firmware in the BE. These requests are communicated to the processor
+ * using Work Request Blocks (WRBs) submitted to the MCC-WRB ring or via one
+ * WRB inside a MAILBOX.
+ * The commands are serviced by the ARM processor in the OneConnect's MPU.
+ */
+struct be_sge {
+	__le32 pa_lo;
+	__le32 pa_hi;
+	__le32 len;
+};
+
+#define MCC_WRB_SGE_CNT_SHIFT 3	/* bits 3 - 7 of dword 0 */
+#define MCC_WRB_SGE_CNT_MASK 0x1F	/* bits 3 - 7 of dword 0 */
+struct be_mcc_wrb {
+	u32 embedded;		/* dword 0 */
+	u32 payload_length;	/* dword 1 */
+	u32 tag0;		/* dword 2 */
+	u32 tag1;		/* dword 3 */
+	u32 rsvd;		/* dword 4 */
+	union {
+#define EMBED_MBX_MAX_PAYLOAD_SIZE  220
+		u8 embedded_payload[236];	/* used by embedded cmds */
+		struct be_sge sgl[19];	/* used by non-embedded cmds */
+	} payload;
+};
+
+#define CQE_FLAGS_VALID_MASK (1 << 31)
+#define CQE_FLAGS_ASYNC_MASK (1 << 30)
+#define CQE_FLAGS_COMPLETED_MASK	(1 << 28)
+#define CQE_FLAGS_CONSUMED_MASK		(1 << 27)
+
+/* Completion Status */
+#define MCC_STATUS_SUCCESS 0x0
+#define MCC_STATUS_FAILED 0x1
+#define MCC_STATUS_ILLEGAL_REQUEST 0x2
+#define MCC_STATUS_ILLEGAL_FIELD 0x3
+#define MCC_STATUS_INSUFFICIENT_BUFFER 0x4
+
+#define CQE_STATUS_COMPL_MASK 0xFFFF
+#define CQE_STATUS_COMPL_SHIFT 0	/* bits 0 - 15 */
+#define CQE_STATUS_EXTD_MASK 0xFFFF
+#define CQE_STATUS_EXTD_SHIFT 16		/* bits 0 - 15 */
+#define CQE_STATUS_ADDL_MASK	0xFF00
+#define CQE_STATUS_MASK	0xFF
+#define CQE_STATUS_ADDL_SHIFT	0x08
+#define CQE_STATUS_WRB_MASK	0xFF0000
+#define CQE_STATUS_WRB_SHIFT	16
+#define BEISCSI_HOST_MBX_TIMEOUT (110 * 1000)
+#define BEISCSI_FW_MBX_TIMEOUT	100
+
+/* MBOX Command VER */
+#define MBX_CMD_VER1	0x01
+#define MBX_CMD_VER2	0x02
+
+struct be_mcc_compl {
+	u32 status;		/* dword 0 */
+	u32 tag0;		/* dword 1 */
+	u32 tag1;		/* dword 2 */
+	u32 flags;		/* dword 3 */
+};
+
+/********* Mailbox door bell *************/
+/**
+ * Used for driver communication with the FW.
+ * The software must write this register twice to post any command. First,
+ * it writes the register with hi=1 and the upper bits of the physical address
+ * for the MAILBOX structure. Software must poll the ready bit until this
+ * is acknowledged. Then, sotware writes the register with hi=0 with the lower
+ * bits in the address. It must poll the ready bit until the command is
+ * complete. Upon completion, the MAILBOX will contain a valid completion
+ * queue entry.
+ */
+#define MPU_MAILBOX_DB_OFFSET	0x160
+#define MPU_MAILBOX_DB_RDY_MASK	0x1	/* bit 0 */
+#define MPU_MAILBOX_DB_HI_MASK	0x2	/* bit 1 */
+
+/********** MPU semphore ******************/
+#define MPU_EP_SEMAPHORE_OFFSET 0xac
+#define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
+#define EP_SEMAPHORE_POST_ERR_MASK 0x1
+#define EP_SEMAPHORE_POST_ERR_SHIFT 31
+
+/********** MCC door bell ************/
+#define DB_MCCQ_OFFSET 0x140
+#define DB_MCCQ_RING_ID_MASK 0xFFFF		/* bits 0 - 15 */
+/* Number of entries posted */
+#define DB_MCCQ_NUM_POSTED_SHIFT 16		/* bits 16 - 29 */
+
+/* MPU semphore POST stage values */
+#define POST_STAGE_ARMFW_RDY		0xc000	/* FW is done with POST */
+
+/**
+ * When the async bit of mcc_compl is set, the last 4 bytes of
+ * mcc_compl is interpreted as follows:
+ */
+#define ASYNC_TRAILER_EVENT_CODE_SHIFT	8	/* bits 8 - 15 */
+#define ASYNC_TRAILER_EVENT_CODE_MASK	0xFF
+#define ASYNC_EVENT_CODE_LINK_STATE	0x1
+#define ASYNC_EVENT_CODE_ISCSI		0x4
+
+#define ASYNC_TRAILER_EVENT_TYPE_SHIFT	16	/* bits 16 - 23 */
+#define ASYNC_TRAILER_EVENT_TYPE_MASK	0xF
+#define ASYNC_EVENT_NEW_ISCSI_TGT_DISC	0x4
+#define ASYNC_EVENT_NEW_ISCSI_CONN	0x5
+#define ASYNC_EVENT_NEW_TCP_CONN	0x7
+
+struct be_async_event_trailer {
+	u32 code;
+};
+
+enum {
+	ASYNC_EVENT_LINK_DOWN = 0x0,
+	ASYNC_EVENT_LINK_UP = 0x1,
+	ASYNC_EVENT_LOGICAL = 0x2
+};
+
+/**
+ * When the event code of an async trailer is link-state, the mcc_compl
+ * must be interpreted as follows
+ */
+struct be_async_event_link_state {
+	u8 physical_port;
+	u8 port_link_status;
+	u8 port_duplex;
+	u8 port_speed;
+#define BEISCSI_PHY_LINK_FAULT_NONE	0x00
+#define BEISCSI_PHY_LINK_FAULT_LOCAL	0x01
+#define BEISCSI_PHY_LINK_FAULT_REMOTE	0x02
+	u8 port_fault;
+	u8 rsvd0[7];
+	struct be_async_event_trailer trailer;
+} __packed;
+
+struct be_mcc_mailbox {
+	struct be_mcc_wrb wrb;
+	struct be_mcc_compl compl;
+};
+
+/* Type of subsystems supported by FW */
+#define CMD_SUBSYSTEM_COMMON    0x1
+#define CMD_SUBSYSTEM_ISCSI     0x2
+#define CMD_SUBSYSTEM_ETH       0x3
+#define CMD_SUBSYSTEM_ISCSI_INI 0x6
+#define CMD_COMMON_TCP_UPLOAD   0x1
+
+/**
+ * List of common opcodes subsystem  CMD_SUBSYSTEM_COMMON
+ * These opcodes are unique for each subsystem defined above
+ */
+#define OPCODE_COMMON_CQ_CREATE				12
+#define OPCODE_COMMON_EQ_CREATE				13
+#define OPCODE_COMMON_MCC_CREATE			21
+#define OPCODE_COMMON_ADD_TEMPLATE_HEADER_BUFFERS	24
+#define OPCODE_COMMON_REMOVE_TEMPLATE_HEADER_BUFFERS	25
+#define OPCODE_COMMON_GET_CNTL_ATTRIBUTES		32
+#define OPCODE_COMMON_GET_FW_VERSION			35
+#define OPCODE_COMMON_MODIFY_EQ_DELAY			41
+#define OPCODE_COMMON_FIRMWARE_CONFIG			42
+#define OPCODE_COMMON_MCC_DESTROY			53
+#define OPCODE_COMMON_CQ_DESTROY			54
+#define OPCODE_COMMON_EQ_DESTROY			55
+#define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG		58
+#define OPCODE_COMMON_FUNCTION_RESET			61
+
+/**
+ * LIST of opcodes that are common between Initiator and Target
+ * used by CMD_SUBSYSTEM_ISCSI
+ * These opcodes are unique for each subsystem defined above
+ */
+#define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES		2
+#define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
+#define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG		7
+#define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN		14
+#define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR	17
+#define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR	18
+#define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR		21
+#define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY	22
+#define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
+#define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID		24
+#define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO		25
+#define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
+#define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
+#define OPCODE_COMMON_ISCSI_DEFQ_DESTROY		65
+#define OPCODE_COMMON_ISCSI_WRBQ_CREATE			66
+#define OPCODE_COMMON_ISCSI_WRBQ_DESTROY		67
+
+struct be_cmd_req_hdr {
+	u8 opcode;		/* dword 0 */
+	u8 subsystem;		/* dword 0 */
+	u8 port_number;		/* dword 0 */
+	u8 domain;		/* dword 0 */
+	u32 timeout;		/* dword 1 */
+	u32 request_length;	/* dword 2 */
+	u8 version;		/* dword 3 */
+	u8 rsvd0[3];		/* dword 3 */
+};
+
+struct be_cmd_resp_hdr {
+	u32 info;		/* dword 0 */
+	u32 status;		/* dword 1 */
+	u32 response_length;	/* dword 2 */
+	u32 actual_resp_len;	/* dword 3 */
+};
+
+struct phys_addr {
+	u32 lo;
+	u32 hi;
+};
+
+struct virt_addr {
+	u32 lo;
+	u32 hi;
+};
+/**************************
+ * BE Command definitions *
+ **************************/
+
+/**
+ * Pseudo amap definition in which each bit of the actual structure is defined
+ * as a byte - used to calculate offset/shift/mask of each field
+ */
+struct amap_eq_context {
+	u8 cidx[13];		/* dword 0 */
+	u8 rsvd0[3];		/* dword 0 */
+	u8 epidx[13];		/* dword 0 */
+	u8 valid;		/* dword 0 */
+	u8 rsvd1;		/* dword 0 */
+	u8 size;		/* dword 0 */
+	u8 pidx[13];		/* dword 1 */
+	u8 rsvd2[3];		/* dword 1 */
+	u8 pd[10];		/* dword 1 */
+	u8 count[3];		/* dword 1 */
+	u8 solevent;		/* dword 1 */
+	u8 stalled;		/* dword 1 */
+	u8 armed;		/* dword 1 */
+	u8 rsvd3[4];		/* dword 2 */
+	u8 func[8];		/* dword 2 */
+	u8 rsvd4;		/* dword 2 */
+	u8 delaymult[10];	/* dword 2 */
+	u8 rsvd5[2];		/* dword 2 */
+	u8 phase[2];		/* dword 2 */
+	u8 nodelay;		/* dword 2 */
+	u8 rsvd6[4];		/* dword 2 */
+	u8 rsvd7[32];		/* dword 3 */
+} __packed;
+
+struct be_cmd_req_eq_create {
+	struct be_cmd_req_hdr hdr;	/* dw[4] */
+	u16 num_pages;		/* sword */
+	u16 rsvd0;		/* sword */
+	u8 context[sizeof(struct amap_eq_context) / 8];	/* dw[4] */
+	struct phys_addr pages[8];
+} __packed;
+
+struct be_cmd_resp_eq_create {
+	struct be_cmd_resp_hdr resp_hdr;
+	u16 eq_id;		/* sword */
+	u16 rsvd0;		/* sword */
+} __packed;
+
+struct be_set_eqd {
+	u32 eq_id;
+	u32 phase;
+	u32 delay_multiplier;
+} __packed;
+
+struct mgmt_chap_format {
+	u32 flags;
+	u8  intr_chap_name[256];
+	u8  intr_secret[16];
+	u8  target_chap_name[256];
+	u8  target_secret[16];
+	u16 intr_chap_name_length;
+	u16 intr_secret_length;
+	u16 target_chap_name_length;
+	u16 target_secret_length;
+} __packed;
+
+struct mgmt_auth_method_format {
+	u8	auth_method_type;
+	u8	padding[3];
+	struct	mgmt_chap_format chap;
+} __packed;
+
+struct mgmt_conn_login_options {
+	u8 flags;
+	u8 header_digest;
+	u8 data_digest;
+	u8 rsvd0;
+	u32 max_recv_datasegment_len_ini;
+	u32 max_recv_datasegment_len_tgt;
+	u32 tcp_mss;
+	u32 tcp_window_size;
+	struct	mgmt_auth_method_format auth_data;
+} __packed;
+
+struct ip_addr_format {
+	u16 size_of_structure;
+	u8 reserved;
+	u8 ip_type;
+	u8 addr[16];
+	u32 rsvd0;
+} __packed;
+
+struct mgmt_conn_info {
+	u32	connection_handle;
+	u32	connection_status;
+	u16	src_port;
+	u16	dest_port;
+	u16	dest_port_redirected;
+	u16	cid;
+	u32	estimated_throughput;
+	struct	ip_addr_format	src_ipaddr;
+	struct	ip_addr_format	dest_ipaddr;
+	struct	ip_addr_format	dest_ipaddr_redirected;
+	struct	mgmt_conn_login_options	negotiated_login_options;
+} __packed;
+
+struct mgmt_session_login_options {
+	u8	flags;
+	u8	error_recovery_level;
+	u16	rsvd0;
+	u32	first_burst_length;
+	u32	max_burst_length;
+	u16	max_connections;
+	u16	max_outstanding_r2t;
+	u16	default_time2wait;
+	u16	default_time2retain;
+} __packed;
+
+struct mgmt_session_info {
+	u32	session_handle;
+	u32	status;
+	u8	isid[6];
+	u16	tsih;
+	u32	session_flags;
+	u16	conn_count;
+	u16	pad;
+	u8	target_name[224];
+	u8	initiator_iscsiname[224];
+	struct	mgmt_session_login_options negotiated_login_options;
+	struct	mgmt_conn_info	conn_list[1];
+} __packed;
+
+struct be_cmd_get_session_req {
+	struct be_cmd_req_hdr hdr;
+	u32 session_handle;
+} __packed;
+
+struct be_cmd_get_session_resp {
+	struct be_cmd_resp_hdr hdr;
+	struct mgmt_session_info session_info;
+} __packed;
+
+struct mac_addr {
+	u16 size_of_structure;
+	u8 addr[ETH_ALEN];
+} __packed;
+
+struct be_cmd_get_boot_target_req {
+	struct be_cmd_req_hdr hdr;
+} __packed;
+
+struct be_cmd_get_boot_target_resp {
+	struct be_cmd_resp_hdr hdr;
+	u32  boot_session_count;
+	int  boot_session_handle;
+};
+
+struct be_cmd_reopen_session_req {
+	struct be_cmd_req_hdr hdr;
+#define BE_REOPEN_ALL_SESSIONS  0x00
+#define BE_REOPEN_BOOT_SESSIONS 0x01
+#define BE_REOPEN_A_SESSION     0x02
+	u16 reopen_type;
+	u16 rsvd;
+	u32 session_handle;
+} __packed;
+
+struct be_cmd_reopen_session_resp {
+	struct be_cmd_resp_hdr hdr;
+	u32 rsvd;
+	u32 session_handle;
+} __packed;
+
+
+struct be_cmd_mac_query_req {
+	struct be_cmd_req_hdr hdr;
+	u8 type;
+	u8 permanent;
+	u16 if_id;
+} __packed;
+
+struct be_cmd_get_mac_resp {
+	struct be_cmd_resp_hdr hdr;
+	struct mac_addr mac;
+};
+
+struct be_ip_addr_subnet_format {
+	u16 size_of_structure;
+	u8 ip_type;
+	u8 ipv6_prefix_length;
+	u8 addr[16];
+	u8 subnet_mask[16];
+	u32 rsvd0;
+} __packed;
+
+struct be_cmd_get_if_info_req {
+	struct be_cmd_req_hdr hdr;
+	u32 interface_hndl;
+	u32 ip_type;
+} __packed;
+
+struct be_cmd_get_if_info_resp {
+	struct be_cmd_req_hdr hdr;
+	u32 interface_hndl;
+	u32 vlan_priority;
+	u32 ip_addr_count;
+	u32 dhcp_state;
+	struct be_ip_addr_subnet_format ip_addr;
+} __packed;
+
+struct be_ip_addr_record {
+	u32 action;
+	u32 interface_hndl;
+	struct be_ip_addr_subnet_format ip_addr;
+	u32 status;
+} __packed;
+
+struct be_ip_addr_record_params {
+	u32 record_entry_count;
+	struct be_ip_addr_record ip_record;
+} __packed;
+
+struct be_cmd_set_ip_addr_req {
+	struct be_cmd_req_hdr hdr;
+	struct be_ip_addr_record_params ip_params;
+} __packed;
+
+
+struct be_cmd_set_dhcp_req {
+	struct be_cmd_req_hdr hdr;
+	u32 interface_hndl;
+	u32 ip_type;
+	u32 flags;
+	u32 retry_count;
+} __packed;
+
+struct be_cmd_rel_dhcp_req {
+	struct be_cmd_req_hdr hdr;
+	u32 interface_hndl;
+	u32 ip_type;
+} __packed;
+
+struct be_cmd_set_def_gateway_req {
+	struct be_cmd_req_hdr hdr;
+	u32 action;
+	struct ip_addr_format ip_addr;
+} __packed;
+
+struct be_cmd_get_def_gateway_req {
+	struct be_cmd_req_hdr hdr;
+	u32 ip_type;
+} __packed;
+
+struct be_cmd_get_def_gateway_resp {
+	struct be_cmd_req_hdr hdr;
+	struct ip_addr_format ip_addr;
+} __packed;
+
+#define BEISCSI_VLAN_DISABLE	0xFFFF
+struct be_cmd_set_vlan_req {
+	struct be_cmd_req_hdr hdr;
+	u32 interface_hndl;
+	u32 vlan_priority;
+} __packed;
+/******************** Create CQ ***************************/
+/**
+ * Pseudo amap definition in which each bit of the actual structure is defined
+ * as a byte - used to calculate offset/shift/mask of each field
+ */
+struct amap_cq_context {
+	u8 cidx[11];		/* dword 0 */
+	u8 rsvd0;		/* dword 0 */
+	u8 coalescwm[2];	/* dword 0 */
+	u8 nodelay;		/* dword 0 */
+	u8 epidx[11];		/* dword 0 */
+	u8 rsvd1;		/* dword 0 */
+	u8 count[2];		/* dword 0 */
+	u8 valid;		/* dword 0 */
+	u8 solevent;		/* dword 0 */
+	u8 eventable;		/* dword 0 */
+	u8 pidx[11];		/* dword 1 */
+	u8 rsvd2;		/* dword 1 */
+	u8 pd[10];		/* dword 1 */
+	u8 eqid[8];		/* dword 1 */
+	u8 stalled;		/* dword 1 */
+	u8 armed;		/* dword 1 */
+	u8 rsvd3[4];		/* dword 2 */
+	u8 func[8];		/* dword 2 */
+	u8 rsvd4[20];		/* dword 2 */
+	u8 rsvd5[32];		/* dword 3 */
+} __packed;
+
+struct amap_cq_context_v2 {
+	u8 rsvd0[12];   /* dword 0 */
+	u8 coalescwm[2];    /* dword 0 */
+	u8 nodelay;     /* dword 0 */
+	u8 rsvd1[12];   /* dword 0 */
+	u8 count[2];    /* dword 0 */
+	u8 valid;       /* dword 0 */
+	u8 rsvd2;       /* dword 0 */
+	u8 eventable;   /* dword 0 */
+	u8 eqid[16];    /* dword 1 */
+	u8 rsvd3[15];   /* dword 1 */
+	u8 armed;       /* dword 1 */
+	u8 cqecount[16];/* dword 2 */
+	u8 rsvd4[16];   /* dword 2 */
+	u8 rsvd5[32];   /* dword 3 */
+};
+
+struct be_cmd_req_cq_create {
+	struct be_cmd_req_hdr hdr;
+	u16 num_pages;
+	u8 page_size;
+	u8 rsvd0;
+	u8 context[sizeof(struct amap_cq_context) / 8];
+	struct phys_addr pages[4];
+} __packed;
+
+struct be_cmd_resp_cq_create {
+	struct be_cmd_resp_hdr hdr;
+	u16 cq_id;
+	u16 rsvd0;
+} __packed;
+
+/******************** Create MCCQ ***************************/
+/**
+ * Pseudo amap definition in which each bit of the actual structure is defined
+ * as a byte - used to calculate offset/shift/mask of each field
+ */
+struct amap_mcc_context {
+	u8 con_index[14];
+	u8 rsvd0[2];
+	u8 ring_size[4];
+	u8 fetch_wrb;
+	u8 fetch_r2t;
+	u8 cq_id[10];
+	u8 prod_index[14];
+	u8 fid[8];
+	u8 pdid[9];
+	u8 valid;
+	u8 rsvd1[32];
+	u8 rsvd2[32];
+} __packed;
+
+struct be_cmd_req_mcc_create {
+	struct be_cmd_req_hdr hdr;
+	u16 num_pages;
+	u16 rsvd0;
+	u8 context[sizeof(struct amap_mcc_context) / 8];
+	struct phys_addr pages[8];
+} __packed;
+
+struct be_cmd_resp_mcc_create {
+	struct be_cmd_resp_hdr hdr;
+	u16 id;
+	u16 rsvd0;
+} __packed;
+
+/******************** Q Destroy  ***************************/
+/* Type of Queue to be destroyed */
+enum {
+	QTYPE_EQ = 1,
+	QTYPE_CQ,
+	QTYPE_MCCQ,
+	QTYPE_WRBQ,
+	QTYPE_DPDUQ,
+	QTYPE_SGL
+};
+
+struct be_cmd_req_q_destroy {
+	struct be_cmd_req_hdr hdr;
+	u16 id;
+	u16 bypass_flush;	/* valid only for rx q destroy */
+} __packed;
+
+struct macaddr {
+	u8 byte[ETH_ALEN];
+};
+
+struct be_cmd_req_mcast_mac_config {
+	struct be_cmd_req_hdr hdr;
+	u16 num_mac;
+	u8 promiscuous;
+	u8 interface_id;
+	struct macaddr mac[32];
+} __packed;
+
+static inline void *embedded_payload(struct be_mcc_wrb *wrb)
+{
+	return wrb->payload.embedded_payload;
+}
+
+static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
+{
+	return &wrb->payload.sgl[0];
+}
+
+/******************** Modify EQ Delay *******************/
+struct be_cmd_req_modify_eq_delay {
+	struct be_cmd_req_hdr hdr;
+	__le32 num_eq;
+	struct {
+		__le32 eq_id;
+		__le32 phase;
+		__le32 delay_multiplier;
+	} delay[MAX_CPUS];
+} __packed;
+
+/******************** Get MAC ADDR *******************/
+
+#define ETH_ALEN	6
+
+struct be_cmd_get_nic_conf_req {
+	struct be_cmd_req_hdr hdr;
+	u32 nic_port_count;
+	u32 speed;
+	u32 max_speed;
+	u32 link_state;
+	u32 max_frame_size;
+	u16 size_of_structure;
+	u8 mac_address[ETH_ALEN];
+	u32 rsvd[23];
+};
+
+struct be_cmd_get_nic_conf_resp {
+	struct be_cmd_resp_hdr hdr;
+	u32 nic_port_count;
+	u32 speed;
+	u32 max_speed;
+	u32 link_state;
+	u32 max_frame_size;
+	u16 size_of_structure;
+	u8 mac_address[6];
+	u32 rsvd[23];
+};
+
+#define BEISCSI_ALIAS_LEN 32
+
+struct be_cmd_hba_name {
+	struct be_cmd_req_hdr hdr;
+	u16 flags;
+	u16 rsvd0;
+	u8 initiator_name[ISCSI_NAME_LEN];
+	u8 initiator_alias[BEISCSI_ALIAS_LEN];
+} __packed;
+
+struct be_cmd_ntwk_link_status_req {
+	struct be_cmd_req_hdr hdr;
+	u32 rsvd0;
+} __packed;
+
+/*** Port Speed Values ***/
+#define BE2ISCSI_LINK_SPEED_ZERO	0x00
+#define BE2ISCSI_LINK_SPEED_10MBPS	0x01
+#define BE2ISCSI_LINK_SPEED_100MBPS	0x02
+#define BE2ISCSI_LINK_SPEED_1GBPS	0x03
+#define BE2ISCSI_LINK_SPEED_10GBPS	0x04
+struct be_cmd_ntwk_link_status_resp {
+	struct be_cmd_resp_hdr hdr;
+	u8 phys_port;
+	u8 mac_duplex;
+	u8 mac_speed;
+	u8 mac_fault;
+	u8 mgmt_mac_duplex;
+	u8 mgmt_mac_speed;
+	u16 qos_link_speed;
+	u32 logical_link_speed;
+} __packed;
+
+int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
+			  struct be_queue_info *eq, int eq_delay);
+
+int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
+			  struct be_queue_info *cq, struct be_queue_info *eq,
+			  bool sol_evts, bool no_delay,
+			  int num_cqe_dma_coalesce);
+
+int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
+			  int type);
+int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
+			struct be_queue_info *mccq,
+			struct be_queue_info *cq);
+
+int be_poll_mcc(struct be_ctrl_info *ctrl);
+int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
+				      struct beiscsi_hba *phba);
+unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
+unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba);
+
+void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
+
+int be_cmd_modify_eq_delay(struct beiscsi_hba *phba, struct be_set_eqd *,
+			    int num);
+int beiscsi_mccq_compl(struct beiscsi_hba *phba,
+			uint32_t tag, struct be_mcc_wrb **wrb,
+			struct be_dma_mem *mbx_cmd_mem);
+/*ISCSI Functuions */
+int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
+int be_cmd_fw_uninit(struct be_ctrl_info *ctrl);
+
+struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
+struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba);
+int be_mcc_notify_wait(struct beiscsi_hba *phba);
+void be_mcc_notify(struct beiscsi_hba *phba);
+unsigned int alloc_mcc_tag(struct beiscsi_hba *phba);
+void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
+		struct be_async_event_link_state *evt);
+int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl,
+				    struct be_mcc_compl *compl);
+
+int be_mbox_notify(struct be_ctrl_info *ctrl);
+
+int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
+				    struct be_queue_info *cq,
+				    struct be_queue_info *dq, int length,
+				    int entry_size, uint8_t is_header,
+				    uint8_t ulp_num);
+
+int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl,
+				    struct be_dma_mem *q_mem);
+
+int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl);
+
+int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
+				struct be_dma_mem *q_mem, u32 page_offset,
+				u32 num_pages);
+
+int beiscsi_cmd_reset_function(struct beiscsi_hba *phba);
+
+int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
+		       struct be_queue_info *wrbq,
+		       struct hwi_wrb_context *pwrb_context,
+		       uint8_t ulp_num);
+
+bool is_link_state_evt(u32 trailer);
+
+/* Configuration Functions */
+int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
+
+struct be_default_pdu_context {
+	u32 dw[4];
+} __packed;
+
+struct amap_be_default_pdu_context {
+	u8 dbuf_cindex[13];	/* dword 0 */
+	u8 rsvd0[3];		/* dword 0 */
+	u8 ring_size[4];	/* dword 0 */
+	u8 ring_state[4];	/* dword 0 */
+	u8 rsvd1[8];		/* dword 0 */
+	u8 dbuf_pindex[13];	/* dword 1 */
+	u8 rsvd2;		/* dword 1 */
+	u8 pci_func_id[8];	/* dword 1 */
+	u8 rx_pdid[9];		/* dword 1 */
+	u8 rx_pdid_valid;	/* dword 1 */
+	u8 default_buffer_size[16];	/* dword 2 */
+	u8 cq_id_recv[10];	/* dword 2 */
+	u8 rx_pdid_not_valid;	/* dword 2 */
+	u8 rsvd3[5];		/* dword 2 */
+	u8 rsvd4[32];		/* dword 3 */
+} __packed;
+
+struct amap_default_pdu_context_ext {
+	u8 rsvd0[16];   /* dword 0 */
+	u8 ring_size[4];    /* dword 0 */
+	u8 rsvd1[12];   /* dword 0 */
+	u8 rsvd2[22];   /* dword 1 */
+	u8 rx_pdid[9];  /* dword 1 */
+	u8 rx_pdid_valid;   /* dword 1 */
+	u8 default_buffer_size[16]; /* dword 2 */
+	u8 cq_id_recv[16];  /* dword 2 */
+	u8 rsvd3[32];   /* dword 3 */
+} __packed;
+
+struct be_defq_create_req {
+	struct be_cmd_req_hdr hdr;
+	u16 num_pages;
+	u8 ulp_num;
+#define BEISCSI_DUAL_ULP_AWARE_BIT	0	/* Byte 3 - Bit 0 */
+#define BEISCSI_BIND_Q_TO_ULP_BIT	1	/* Byte 3 - Bit 1 */
+	u8 dua_feature;
+	struct be_default_pdu_context context;
+	struct phys_addr pages[8];
+} __packed;
+
+struct be_defq_create_resp {
+	struct be_cmd_req_hdr hdr;
+	u16 id;
+	u8 rsvd0;
+	u8 ulp_num;
+	u32 doorbell_offset;
+	u16 register_set;
+	u16 doorbell_format;
+} __packed;
+
+struct be_post_template_pages_req {
+	struct be_cmd_req_hdr hdr;
+	u16 num_pages;
+#define BEISCSI_TEMPLATE_HDR_TYPE_ISCSI	0x1
+	u16 type;
+	struct phys_addr scratch_pa;
+	struct virt_addr scratch_va;
+	struct virt_addr pages_va;
+	struct phys_addr pages[16];
+} __packed;
+
+struct be_remove_template_pages_req {
+	struct be_cmd_req_hdr hdr;
+	u16 type;
+	u16 rsvd0;
+} __packed;
+
+struct be_post_sgl_pages_req {
+	struct be_cmd_req_hdr hdr;
+	u16 num_pages;
+	u16 page_offset;
+	u32 rsvd0;
+	struct phys_addr pages[26];
+	u32 rsvd1;
+} __packed;
+
+struct be_wrbq_create_req {
+	struct be_cmd_req_hdr hdr;
+	u16 num_pages;
+	u8 ulp_num;
+	u8 dua_feature;
+	struct phys_addr pages[8];
+} __packed;
+
+struct be_wrbq_create_resp {
+	struct be_cmd_resp_hdr resp_hdr;
+	u16 cid;
+	u8 rsvd0;
+	u8 ulp_num;
+	u32 doorbell_offset;
+	u16 register_set;
+	u16 doorbell_format;
+} __packed;
+
+#define SOL_CID_MASK		0x0000FFC0
+#define SOL_CODE_MASK		0x0000003F
+#define SOL_WRB_INDEX_MASK	0x00FF0000
+#define SOL_CMD_WND_MASK	0xFF000000
+#define SOL_RES_CNT_MASK	0x7FFFFFFF
+#define SOL_EXP_CMD_SN_MASK	0xFFFFFFFF
+#define SOL_HW_STS_MASK		0x000000FF
+#define SOL_STS_MASK		0x0000FF00
+#define SOL_RESP_MASK		0x00FF0000
+#define SOL_FLAGS_MASK		0x7F000000
+#define SOL_S_MASK		0x80000000
+
+struct sol_cqe {
+	u32 dw[4];
+};
+
+struct amap_sol_cqe {
+	u8 hw_sts[8];		/* dword 0 */
+	u8 i_sts[8];		/* dword 0 */
+	u8 i_resp[8];		/* dword 0 */
+	u8 i_flags[7];		/* dword 0 */
+	u8 s;			/* dword 0 */
+	u8 i_exp_cmd_sn[32];	/* dword 1 */
+	u8 code[6];		/* dword 2 */
+	u8 cid[10];		/* dword 2 */
+	u8 wrb_index[8];	/* dword 2 */
+	u8 i_cmd_wnd[8];	/* dword 2 */
+	u8 i_res_cnt[31];	/* dword 3 */
+	u8 valid;		/* dword 3 */
+} __packed;
+
+#define SOL_ICD_INDEX_MASK	0x0003FFC0
+struct amap_sol_cqe_ring {
+	u8 hw_sts[8];		/* dword 0 */
+	u8 i_sts[8];		/* dword 0 */
+	u8 i_resp[8];		/* dword 0 */
+	u8 i_flags[7];		/* dword 0 */
+	u8 s;			/* dword 0 */
+	u8 i_exp_cmd_sn[32];	/* dword 1 */
+	u8 code[6];		/* dword 2 */
+	u8 icd_index[12];	/* dword 2 */
+	u8 rsvd[6];		/* dword 2 */
+	u8 i_cmd_wnd[8];	/* dword 2 */
+	u8 i_res_cnt[31];	/* dword 3 */
+	u8 valid;		/* dword 3 */
+} __packed;
+
+struct amap_sol_cqe_v2 {
+	u8 hw_sts[8];   /* dword 0 */
+	u8 i_sts[8];    /* dword 0 */
+	u8 wrb_index[16];   /* dword 0 */
+	u8 i_exp_cmd_sn[32];    /* dword 1 */
+	u8 code[6]; /* dword 2 */
+	u8 cmd_cmpl;    /* dword 2 */
+	u8 rsvd0;   /* dword 2 */
+	u8 i_cmd_wnd[8];    /* dword 2 */
+	u8 cid[13]; /* dword 2 */
+	u8 u;   /* dword 2 */
+	u8 o;   /* dword 2 */
+	u8 s;   /* dword 2 */
+	u8 i_res_cnt[31];   /* dword 3 */
+	u8 valid;   /* dword 3 */
+} __packed;
+
+struct common_sol_cqe {
+	u32 exp_cmdsn;
+	u32 res_cnt;
+	u16 wrb_index;
+	u16 cid;
+	u8 hw_sts;
+	u8 cmd_wnd;
+	u8 res_flag; /* the s feild of structure */
+	u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
+	u8 i_flags; /* for skh or the u and o feilds */
+	u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
+};
+
+/*** iSCSI ack/driver message completions ***/
+struct amap_it_dmsg_cqe {
+	u8 ack_num[32]; /* DWORD 0 */
+	u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
+	u8 code[6]; /* DWORD 2 */
+	u8 cid[10]; /* DWORD 2 */
+	u8 wrb_idx[8];  /* DWORD 2 */
+	u8 rsvd0[8];    /* DWORD 2*/
+	u8 rsvd1[31];   /* DWORD 3*/
+	u8 valid;   /* DWORD 3 */
+} __packed;
+
+struct amap_it_dmsg_cqe_v2 {
+	u8 ack_num[32]; /* DWORD 0 */
+	u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
+	u8 code[6]; /* DWORD 2 */
+	u8 rsvd0[10];   /* DWORD 2 */
+	u8 wrb_idx[16]; /* DWORD 2 */
+	u8 rsvd1[16];   /* DWORD 3 */
+	u8 cid[13]; /* DWORD 3 */
+	u8 rsvd2[2];    /* DWORD 3 */
+	u8 valid;   /* DWORD 3 */
+} __packed;
+
+
+/**
+ * Post WRB Queue Doorbell Register used by the host Storage
+ * stack to notify the
+ * controller of a posted Work Request Block
+ */
+#define DB_WRB_POST_CID_MASK		0xFFFF	/* bits 0 - 16 */
+#define DB_DEF_PDU_WRB_INDEX_MASK	0xFF	/* bits 0 - 9 */
+
+#define DB_DEF_PDU_WRB_INDEX_SHIFT	16
+#define DB_DEF_PDU_NUM_POSTED_SHIFT	24
+
+struct fragnum_bits_for_sgl_cra_in {
+	struct be_cmd_req_hdr hdr;
+	u32 num_bits;
+} __packed;
+
+struct iscsi_cleanup_req {
+	struct be_cmd_req_hdr hdr;
+	u16 chute;
+	u8 hdr_ring_id;
+	u8 data_ring_id;
+
+} __packed;
+
+struct eq_delay {
+	u32 eq_id;
+	u32 phase;
+	u32 delay_multiplier;
+} __packed;
+
+struct be_eq_delay_params_in {
+	struct be_cmd_req_hdr hdr;
+	u32 num_eq;
+	struct eq_delay delay[8];
+} __packed;
+
+struct tcp_connect_and_offload_in {
+	struct be_cmd_req_hdr hdr;
+	struct ip_addr_format ip_address;
+	u16 tcp_port;
+	u16 cid;
+	u16 cq_id;
+	u16 defq_id;
+	struct phys_addr dataout_template_pa;
+	u16 hdr_ring_id;
+	u16 data_ring_id;
+	u8 do_offload;
+	u8 rsvd0[3];
+} __packed;
+
+struct tcp_connect_and_offload_in_v1 {
+	struct be_cmd_req_hdr hdr;
+	struct ip_addr_format ip_address;
+	u16 tcp_port;
+	u16 cid;
+	u16 cq_id;
+	u16 defq_id;
+	struct phys_addr dataout_template_pa;
+	u16 hdr_ring_id;
+	u16 data_ring_id;
+	u8 do_offload;
+	u8 ifd_state;
+	u8 rsvd0[2];
+	u16 tcp_window_size;
+	u8 tcp_window_scale_count;
+	u8 rsvd1;
+	u32 tcp_mss:24;
+	u8 rsvd2;
+} __packed;
+
+struct tcp_connect_and_offload_out {
+	struct be_cmd_resp_hdr hdr;
+	u32 connection_handle;
+	u16 cid;
+	u16 rsvd0;
+
+} __packed;
+
+struct be_mcc_wrb_context {
+	struct MCC_WRB *wrb;
+	int *users_final_status;
+} __packed;
+
+#define DB_DEF_PDU_RING_ID_MASK	0x3FFF	/* bits 0 - 13 */
+#define DB_DEF_PDU_CQPROC_MASK		0x3FFF	/* bits 16 - 29 */
+#define DB_DEF_PDU_REARM_SHIFT		14
+#define DB_DEF_PDU_EVENT_SHIFT		15
+#define DB_DEF_PDU_CQPROC_SHIFT		16
+
+struct dmsg_cqe {
+	u32 dw[4];
+} __packed;
+
+struct tcp_upload_params_in {
+	struct be_cmd_req_hdr hdr;
+	u16 id;
+	u16 upload_type;
+	u32 reset_seq;
+} __packed;
+
+struct tcp_upload_params_out {
+	u32 dw[32];
+} __packed;
+
+union tcp_upload_params {
+	struct tcp_upload_params_in request;
+	struct tcp_upload_params_out response;
+} __packed;
+
+struct be_ulp_fw_cfg {
+#define BEISCSI_ULP_ISCSI_INI_MODE	0x10
+	u32 ulp_mode;
+	u32 etx_base;
+	u32 etx_count;
+	u32 sq_base;
+	u32 sq_count;
+	u32 rq_base;
+	u32 rq_count;
+	u32 dq_base;
+	u32 dq_count;
+	u32 lro_base;
+	u32 lro_count;
+	u32 icd_base;
+	u32 icd_count;
+};
+
+struct be_ulp_chain_icd {
+	u32 chain_base;
+	u32 chain_count;
+};
+
+struct be_fw_cfg {
+	struct be_cmd_req_hdr hdr;
+	u32 be_config_number;
+	u32 asic_revision;
+	u32 phys_port;
+#define BEISCSI_FUNC_ISCSI_INI_MODE	0x10
+#define BEISCSI_FUNC_DUA_MODE	0x800
+	u32 function_mode;
+	struct be_ulp_fw_cfg ulp[2];
+	u32 function_caps;
+	u32 cqid_base;
+	u32 cqid_count;
+	u32 eqid_base;
+	u32 eqid_count;
+	struct be_ulp_chain_icd chain_icd[2];
+} __packed;
+
+struct be_cmd_get_all_if_id_req {
+	struct be_cmd_req_hdr hdr;
+	u32 if_count;
+	u32 if_hndl_list[1];
+} __packed;
+
+#define ISCSI_OPCODE_SCSI_DATA_OUT		5
+#define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
+#define OPCODE_COMMON_MODIFY_EQ_DELAY		41
+#define OPCODE_COMMON_ISCSI_CLEANUP		59
+#define	OPCODE_COMMON_TCP_UPLOAD		56
+#define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
+#define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
+#define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME	6
+#define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME	7
+#define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
+#define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
+#define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
+#define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
+#define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET	52
+#define OPCODE_COMMON_WRITE_FLASH		96
+#define OPCODE_COMMON_READ_FLASH		97
+
+/* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
+#define CMD_ISCSI_COMMAND_INVALIDATE		1
+#define CMD_ISCSI_CONNECTION_INVALIDATE		0x8001
+#define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST	0x8002
+
+#define INI_WR_CMD			1	/* Initiator write command */
+#define INI_TMF_CMD			2	/* Initiator TMF command */
+#define INI_NOPOUT_CMD			3	/* Initiator; Send a NOP-OUT */
+#define INI_RD_CMD			5	/* Initiator requesting to send
+						 * a read command
+						 */
+#define TGT_CTX_UPDT_CMD		7	/* Target context update */
+#define TGT_STS_CMD			8	/* Target R2T and other BHS
+						 * where only the status number
+						 * need to be updated
+						 */
+#define TGT_DATAIN_CMD			9	/* Target Data-Ins in response
+						 * to read command
+						 */
+#define TGT_SOS_PDU			10	/* Target:standalone status
+						 * response
+						 */
+#define TGT_DM_CMD			11	/* Indicates that the bhs
+						 *  preparedby
+						 * driver should not be touched
+						 */
+/* --- CMD_CHUTE_TYPE --- */
+#define CMD_CONNECTION_CHUTE_0		1
+#define CMD_CONNECTION_CHUTE_1		2
+#define CMD_CONNECTION_CHUTE_2		3
+
+#define EQ_MAJOR_CODE_COMPLETION	0
+
+#define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
+#define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
+
+/* --- CONNECTION_UPLOAD_PARAMS --- */
+/* These parameters are used to define the type of upload desired.  */
+#define CONNECTION_UPLOAD_GRACEFUL      1	/* Graceful upload  */
+#define CONNECTION_UPLOAD_ABORT_RESET   2	/* Abortive upload with
+						 * reset
+						 */
+#define CONNECTION_UPLOAD_ABORT		3	/* Abortive upload without
+						 * reset
+						 */
+#define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4	/* Abortive upload with reset,
+						 * sequence number by driver  */
+
+/* Returns the number of items in the field array. */
+#define BE_NUMBER_OF_FIELD(_type_, _field_)	\
+	(FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
+
+/**
+ * Different types of iSCSI completions to host driver for both initiator
+ * and taget mode
+ * of operation.
+ */
+#define SOL_CMD_COMPLETE		1	/* Solicited command completed
+						 * normally
+						 */
+#define SOL_CMD_KILLED_DATA_DIGEST_ERR  2	/* Solicited command got
+						 * invalidated internally due
+						 * to Data Digest error
+						 */
+#define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3	/* Connection got invalidated
+						 * internally
+						 * due to a received PDU
+						 * size > DSL
+						 */
+#define CXN_KILLED_BURST_LEN_MISMATCH   4	/* Connection got invalidated
+						 * internally due ti received
+						 * PDU sequence size >
+						 * FBL/MBL.
+						 */
+#define CXN_KILLED_AHS_RCVD		5	/* Connection got invalidated
+						 * internally due to a received
+						 * PDU Hdr that has
+						 * AHS */
+#define CXN_KILLED_HDR_DIGEST_ERR	6	/* Connection got invalidated
+						 * internally due to Hdr Digest
+						 * error
+						 */
+#define CXN_KILLED_UNKNOWN_HDR		7	/* Connection got invalidated
+						 *  internally
+						 * due to a bad opcode in the
+						 * pdu hdr
+						 */
+#define CXN_KILLED_STALE_ITT_TTT_RCVD	8	/* Connection got invalidated
+						 * internally due to a received
+						 * ITT/TTT that does not belong
+						 * to this Connection
+						 */
+#define CXN_KILLED_INVALID_ITT_TTT_RCVD 9	/* Connection got invalidated
+						 * internally due to received
+						 * ITT/TTT value > Max
+						 * Supported ITTs/TTTs
+						 */
+#define CXN_KILLED_RST_RCVD		10	/* Connection got invalidated
+						 * internally due to an
+						 * incoming TCP RST
+						 */
+#define CXN_KILLED_TIMED_OUT		11	/* Connection got invalidated
+						 * internally due to timeout on
+						 * tcp segment 12 retransmit
+						 * attempts failed
+						 */
+#define CXN_KILLED_RST_SENT		12	/* Connection got invalidated
+						 * internally due to TCP RST
+						 * sent by the Tx side
+						 */
+#define CXN_KILLED_FIN_RCVD		13	/* Connection got invalidated
+						 * internally due to an
+						 * incoming TCP FIN.
+						 */
+#define CXN_KILLED_BAD_UNSOL_PDU_RCVD	14	/* Connection got invalidated
+						 * internally due to bad
+						 * unsolicited PDU Unsolicited
+						 * PDUs are PDUs with
+						 * ITT=0xffffffff
+						 */
+#define CXN_KILLED_BAD_WRB_INDEX_ERROR	15	/* Connection got invalidated
+						 * internally due to bad WRB
+						 * index.
+						 */
+#define CXN_KILLED_OVER_RUN_RESIDUAL	16	/* Command got invalidated
+						 * internally due to received
+						 * command has residual
+						 * over run bytes.
+						 */
+#define CXN_KILLED_UNDER_RUN_RESIDUAL	17	/* Command got invalidated
+						 * internally due to received
+						 * command has residual under
+						 * run bytes.
+						 */
+#define CMD_KILLED_INVALID_STATSN_RCVD	18	/* Command got invalidated
+						 * internally due to a received
+						 * PDU has an invalid StatusSN
+						 */
+#define CMD_KILLED_INVALID_R2T_RCVD	19	/* Command got invalidated
+						 * internally due to a received
+						 * an R2T with some invalid
+						 * fields in it
+						 */
+#define CMD_CXN_KILLED_LUN_INVALID	20	/* Command got invalidated
+						 * internally due to received
+						 * PDU has an invalid LUN.
+						 */
+#define CMD_CXN_KILLED_ICD_INVALID	21	/* Command got invalidated
+						 * internally due to the
+						 * corresponding ICD not in a
+						 * valid state
+						 */
+#define CMD_CXN_KILLED_ITT_INVALID	22	/* Command got invalidated due
+						 *  to received PDU has an
+						 *  invalid ITT.
+						 */
+#define CMD_CXN_KILLED_SEQ_OUTOFORDER	23	/* Command got invalidated due
+						 * to received sequence buffer
+						 * offset is out of order.
+						 */
+#define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24	/* Command got invalidated
+						 * internally due to a
+						 * received PDU has an invalid
+						 * DataSN
+						 */
+#define CXN_INVALIDATE_NOTIFY		25	/* Connection invalidation
+						 * completion notify.
+						 */
+#define CXN_INVALIDATE_INDEX_NOTIFY	26	/* Connection invalidation
+						 * completion
+						 * with data PDU index.
+						 */
+#define CMD_INVALIDATED_NOTIFY		27	/* Command invalidation
+						 * completionnotifify.
+						 */
+#define UNSOL_HDR_NOTIFY		28	/* Unsolicited header notify.*/
+#define UNSOL_DATA_NOTIFY		29	/* Unsolicited data notify.*/
+#define UNSOL_DATA_DIGEST_ERROR_NOTIFY	30	/* Unsolicited data digest
+						 * error notify.
+						 */
+#define DRIVERMSG_NOTIFY		31	/* TCP acknowledge based
+						 * notification.
+						 */
+#define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
+						  * internally due to command
+						  * and data are not on same
+						  * connection.
+						  */
+#define SOL_CMD_KILLED_DIF_ERR		33	/* Solicited command got
+						 *  invalidated internally due
+						 *  to DIF error
+						 */
+#define CXN_KILLED_SYN_RCVD		34	/* Connection got invalidated
+						 * internally due to incoming
+						 * TCP SYN
+						 */
+#define CXN_KILLED_IMM_DATA_RCVD	35	/* Connection got invalidated
+						 * internally due to an
+						 * incoming Unsolicited PDU
+						 * that has immediate data on
+						 * the cxn
+						 */
+
+int beiscsi_pci_soft_reset(struct beiscsi_hba *phba);
+int be_chk_reset_complete(struct beiscsi_hba *phba);
+
+void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
+			bool embedded, u8 sge_cnt);
+
+void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
+			u8 subsystem, u8 opcode, int cmd_len);
+
+void be2iscsi_fail_session(struct iscsi_cls_session *cls_session);
+#endif /* !BEISCSI_CMDS_H */