RFC: The be2iscsi driver support for bsg

index 49fcc78..d5c14cf 100644
@@ -18,6 +18,7 @@
 #ifndef BEISCSI_CMDS_H
 #define BEISCSI_CMDS_H
 
+#include <scsi/scsi_bsg_iscsi.h>
 /**
  * The driver sends configuration and managements command requests to the
  * firmware in the BE. These requests are communicated to the processor

@@ -162,6 +163,13 @@ struct be_mcc_mailbox {
 #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_CONFIGURE_STATELESS_IP_ADDR	17
+#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

@@ -237,6 +245,86 @@ struct be_cmd_resp_eq_create {
 	u16 rsvd0;		/* sword */
 } __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	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_address_format	src_ipaddr;
+	struct	ip_address_format	dest_ipaddr;
+	struct	ip_address_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_req_geta_session {
+	struct be_cmd_resp_hdr resp_hdr;
+	u32 session_handle;
+} __packed;
+
+struct  be_cmd_resp_geta_session {
+	struct be_cmd_resp_hdr resp_hdr;
+	struct mgmt_session_info session_info;
+} __packed;
+
 struct mac_addr {
 	u16 size_of_struct;
 	u8 addr[ETH_ALEN];

@@ -254,6 +342,16 @@ struct be_cmd_resp_mac_query {
 	struct mac_addr mac;
 };
 
+struct be_cmd_req_get_boot_target {
+	struct be_cmd_req_hdr hdr;
+} __packed;
+
+struct be_cmd_resp_get_boot_target {
+	struct be_cmd_resp_hdr hdr;
+	u32  boot_session_count;
+	u32  boot_session_handle;
+};
+
 /******************** Create CQ ***************************/
 /**
  * Pseudo amap definition in which each bit of the actual structure is defined

@@ -601,14 +699,6 @@ struct be_eq_delay_params_in {
 	struct eq_delay delay[8];
 } __packed;
 
-struct ip_address_format {
-	u16 size_of_structure;
-	u8 reserved;
-	u8 ip_type;
-	u8 ip_address[16];
-	u32 rsvd0;
-} __packed;
-
 struct tcp_connect_and_offload_in {
 	struct be_cmd_req_hdr hdr;
 	struct ip_address_format ip_address;

@@ -688,18 +778,31 @@ struct be_fw_cfg {
 	u32 function_caps;
 } __packed;
 
-#define CMD_ISCSI_COMMAND_INVALIDATE  1
-#define ISCSI_OPCODE_SCSI_DATA_OUT      5
+struct be_all_if_id {
+	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_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
-#define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
-#define OPCODE_COMMON_MODIFY_EQ_DELAY	41
-#define OPCODE_COMMON_ISCSI_CLEANUP	59
-#define	OPCODE_COMMON_TCP_UPLOAD	56
+#define OPCODE_COMMON_MODIFY_EQ_DELAY		41
+#define OPCODE_COMMON_ISCSI_CLEANUP		59
+#define	OPCODE_COMMON_TCP_UPLOAD		56
 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
-/* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
-#define CMD_ISCSI_CONNECTION_INVALIDATE 0x8001
-#define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST 0x8002
+#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_OFFLOAD_SESSION 41
 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
+#define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET	52
+
+/* --- 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 */

index c3928cb..eae98de 100644
@@ -696,8 +696,7 @@ void beiscsi_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
 	SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_stop  ep_cid = %d\n",
 			     beiscsi_ep->ep_cid);
 	tag = mgmt_invalidate_connection(phba, beiscsi_ep,
-					    beiscsi_ep->ep_cid, 1,
-					    savecfg_flag);
+					 beiscsi_ep->ep_cid, 0, savecfg_flag);
 	if (!tag) {
 		SE_DEBUG(DBG_LVL_1,
 			 "mgmt_invalidate_connection Failed for cid=%d \n",

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index 87ec212..18a02a7 100644
@@ -62,7 +62,7 @@
 #define BEISCSI_SGLIST_ELEMENTS	30
 
 #define BEISCSI_CMD_PER_LUN	128	/* scsi_host->cmd_per_lun */
-#define BEISCSI_MAX_SECTORS	256	/* scsi_host->max_sectors */
+#define BEISCSI_MAX_SECTORS	2048	/* scsi_host->max_sectors */
 
 #define BEISCSI_MAX_CMD_LEN	16	/* scsi_host->max_cmd_len */
 #define BEISCSI_NUM_MAX_LUN	256	/* scsi_host->max_lun */

@@ -77,7 +77,7 @@
 #define MAX_CMD_SZ			65536
 #define IIOC_SCSI_DATA                  0x05	/* Write Operation */
 
-#define DBG_LVL				0x00000001
+#define DBG_LVL				0x000000FF
 #define DBG_LVL_1			0x00000001
 #define DBG_LVL_2			0x00000002
 #define DBG_LVL_3			0x00000004

@@ -334,6 +334,7 @@ struct beiscsi_hba {
 	struct work_struct work_cqs;	/* The work being queued */
 	struct be_ctrl_info ctrl;
 	unsigned int generation;
+	unsigned int interface_handle;
 	struct invalidate_command_table inv_tbl[128];
 
 };

@@ -353,6 +354,7 @@ struct beiscsi_conn {
 	struct beiscsi_endpoint *ep;
 	unsigned short login_in_progress;
 	struct sgl_handle *plogin_sgl_handle;
+	struct wrb_handle *plogin_wrb_handle;
 	struct beiscsi_session *beiscsi_sess;
 	struct iscsi_task *task;
 };

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index 10c91c3..2c85dd0 100644
@@ -56,6 +56,7 @@
 #define ISCSI_GET_HBA_NAME		6
 #define ISCSI_GET_IF_INFO		7
 #define ISCSI_GET_DEFAULT_GATEWAY	8
+#define ISCSI_GET_MAC_ADDRESS           9
 
 /*
  * iSCSI Host Messages