drivers/scsi/be2iscsi/be_mgmt.c - kernel/msm-5.4 - Gitiles

 /**
  * Copyright (C) 2005 - 2009 ServerEngines
  * 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.
  *
  * Written by: Jayamohan Kallickal (jayamohank@serverengines.com)
  *
  * Contact Information:
  * linux-drivers@serverengines.com
  *
  * ServerEngines
  * 209 N. Fair Oaks Ave
  * Sunnyvale, CA 94085
  *
  */

 #include "be_mgmt.h"
 #include "be_iscsi.h"

 unsigned char mgmt_get_fw_config(struct be_ctrl_info *ctrl,
 				struct beiscsi_hba *phba)
 {
 	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 	struct be_fw_cfg *req = embedded_payload(wrb);
 	int status = 0;

 	spin_lock(&ctrl->mbox_lock);
 	memset(wrb, 0, sizeof(*wrb));

 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);

 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 			   OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
 	status = be_mbox_notify(ctrl);
 	if (!status) {
 		struct be_fw_cfg *pfw_cfg;
 		pfw_cfg = req;
 		phba->fw_config.phys_port = pfw_cfg->phys_port;
 		phba->fw_config.iscsi_icd_start =
 					pfw_cfg->ulp[0].icd_base;
 		phba->fw_config.iscsi_icd_count =
 					pfw_cfg->ulp[0].icd_count;
 		phba->fw_config.iscsi_cid_start =
 					pfw_cfg->ulp[0].sq_base;
 		phba->fw_config.iscsi_cid_count =
 					pfw_cfg->ulp[0].sq_count;
 	} else {
 		shost_printk(KERN_WARNING, phba->shost,
 			     "Failed in mgmt_get_fw_config \n");
 	}

 	spin_unlock(&ctrl->mbox_lock);
 	return status;
 }

 unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
 				      struct beiscsi_hba *phba)
 {
 	struct be_dma_mem nonemb_cmd;
 	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
 	struct be_mgmt_controller_attributes *req;
 	struct be_sge *sge = nonembedded_sgl(wrb);
 	int status = 0;

 	nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
 				sizeof(struct be_mgmt_controller_attributes),
 				&nonemb_cmd.dma);
 	if (nonemb_cmd.va == NULL) {
 		SE_DEBUG(DBG_LVL_1,
 			 "Failed to allocate memory for mgmt_check_supported_fw"
 			 "\n");
 		return -1;
 	}
 	nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
 	req = nonemb_cmd.va;
 	spin_lock(&ctrl->mbox_lock);
 	memset(wrb, 0, sizeof(*wrb));
 	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 			   OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req));
 	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
 	sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
 	sge->len = cpu_to_le32(nonemb_cmd.size);
 	status = be_mbox_notify(ctrl);
 	if (!status) {
 		struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va;
 		SE_DEBUG(DBG_LVL_8, "Firmware version of CMD: %s\n",
 			resp->params.hba_attribs.flashrom_version_string);
 		SE_DEBUG(DBG_LVL_8, "Firmware version is : %s\n",
 			resp->params.hba_attribs.firmware_version_string);
 		SE_DEBUG(DBG_LVL_8,
 			"Developer Build, not performing version check...\n");
 		phba->fw_config.iscsi_features =
 				resp->params.hba_attribs.iscsi_features;
 		SE_DEBUG(DBG_LVL_8, " phba->fw_config.iscsi_features = %d\n",
 				      phba->fw_config.iscsi_features);
 	} else
 		SE_DEBUG(DBG_LVL_1, " Failed in mgmt_check_supported_fw\n");
 	spin_unlock(&ctrl->mbox_lock);
 	if (nonemb_cmd.va)
 		pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
 				    nonemb_cmd.va, nonemb_cmd.dma);

 	return status;
 }


 unsigned char mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
 {
 	struct be_ctrl_info *ctrl = &phba->ctrl;
 	struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 	struct iscsi_cleanup_req *req = embedded_payload(wrb);
 	int status = 0;

 	spin_lock(&ctrl->mbox_lock);
 	memset(wrb, 0, sizeof(*wrb));

 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 			   OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));

 	req->chute = chute;
 	req->hdr_ring_id = 0;
 	req->data_ring_id = 0;

 	status =  be_mcc_notify_wait(phba);
 	if (status)
 		shost_printk(KERN_WARNING, phba->shost,
 			     " mgmt_epfw_cleanup , FAILED\n");
 	spin_unlock(&ctrl->mbox_lock);
 	return status;
 }

 unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
 				   unsigned int icd, unsigned int cid)
 {
 	struct be_dma_mem nonemb_cmd;
 	struct be_ctrl_info *ctrl = &phba->ctrl;
 	struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 	struct be_sge *sge = nonembedded_sgl(wrb);
 	struct invalidate_commands_params_in *req;
 	int status = 0;

 	nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
 				sizeof(struct invalidate_commands_params_in),
 				&nonemb_cmd.dma);
 	if (nonemb_cmd.va == NULL) {
 		SE_DEBUG(DBG_LVL_1,
 			 "Failed to allocate memory for"
 			 "mgmt_invalidate_icds \n");
 		return -1;
 	}
 	nonemb_cmd.size = sizeof(struct invalidate_commands_params_in);
 	req = nonemb_cmd.va;
 	spin_lock(&ctrl->mbox_lock);
 	memset(wrb, 0, sizeof(*wrb));

 	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 			OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
 			sizeof(*req));
 	req->ref_handle = 0;
 	req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
 	req->icd_count = 0;
 	req->table[req->icd_count].icd = icd;
 	req->table[req->icd_count].cid = cid;
 	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
 	sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
 	sge->len = cpu_to_le32(nonemb_cmd.size);

 	status = be_mcc_notify_wait(phba);
 	if (status)
 		SE_DEBUG(DBG_LVL_1, "ICDS Invalidation Failed\n");
 	spin_unlock(&ctrl->mbox_lock);
 	if (nonemb_cmd.va)
 		pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
 				    nonemb_cmd.va, nonemb_cmd.dma);
 	return status;
 }

 unsigned char mgmt_invalidate_connection(struct beiscsi_hba *phba,
 					 struct beiscsi_endpoint *beiscsi_ep,
 					 unsigned short cid,
 					 unsigned short issue_reset,
 					 unsigned short savecfg_flag)
 {
 	struct be_ctrl_info *ctrl = &phba->ctrl;
 	struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 	struct iscsi_invalidate_connection_params_in *req =
 						embedded_payload(wrb);
 	int status = 0;

 	spin_lock(&ctrl->mbox_lock);
 	memset(wrb, 0, sizeof(*wrb));

 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
 			   OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
 			   sizeof(*req));
 	req->session_handle = beiscsi_ep->fw_handle;
 	req->cid = cid;
 	if (issue_reset)
 		req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
 	else
 		req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
 	req->save_cfg = savecfg_flag;
 	status =  be_mcc_notify_wait(phba);
 	if (status)
 		SE_DEBUG(DBG_LVL_1, "Invalidation Failed\n");

 	spin_unlock(&ctrl->mbox_lock);
 	return status;
 }

 unsigned char mgmt_upload_connection(struct beiscsi_hba *phba,
 				unsigned short cid, unsigned int upload_flag)
 {
 	struct be_ctrl_info *ctrl = &phba->ctrl;
 	struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 	struct tcp_upload_params_in *req = embedded_payload(wrb);
 	int status = 0;

 	spin_lock(&ctrl->mbox_lock);
 	memset(wrb, 0, sizeof(*wrb));

 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 	be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
 			   OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
 	req->id = (unsigned short)cid;
 	req->upload_type = (unsigned char)upload_flag;
 	status = be_mcc_notify_wait(phba);
 	if (status)
 		SE_DEBUG(DBG_LVL_1, "mgmt_upload_connection Failed\n");
 	spin_unlock(&ctrl->mbox_lock);
 	return status;
 }

 int mgmt_open_connection(struct beiscsi_hba *phba,
 			 struct sockaddr *dst_addr,
 			 struct beiscsi_endpoint *beiscsi_ep)
 {
 	struct hwi_controller *phwi_ctrlr;
 	struct hwi_context_memory *phwi_context;
 	struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
 	struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
 	struct be_ctrl_info *ctrl = &phba->ctrl;
 	struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 	struct tcp_connect_and_offload_in *req = embedded_payload(wrb);
 	unsigned short def_hdr_id;
 	unsigned short def_data_id;
 	struct phys_addr template_address = { 0, 0 };
 	struct phys_addr *ptemplate_address;
 	int status = 0;
 	unsigned int i;
 	unsigned short cid = beiscsi_ep->ep_cid;

 	phwi_ctrlr = phba->phwi_ctrlr;
 	phwi_context = phwi_ctrlr->phwi_ctxt;
 	def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba);
 	def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba);

 	ptemplate_address = &template_address;
 	ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
 	spin_lock(&ctrl->mbox_lock);
 	memset(wrb, 0, sizeof(*wrb));

 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 			   OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
 			   sizeof(*req));
 	if (dst_addr->sa_family == PF_INET) {
 		__be32 s_addr = daddr_in->sin_addr.s_addr;
 		req->ip_address.ip_type = BE2_IPV4;
 		req->ip_address.ip_address[0] = s_addr & 0x000000ff;
 		req->ip_address.ip_address[1] = (s_addr & 0x0000ff00) >> 8;
 		req->ip_address.ip_address[2] = (s_addr & 0x00ff0000) >> 16;
 		req->ip_address.ip_address[3] = (s_addr & 0xff000000) >> 24;
 		req->tcp_port = ntohs(daddr_in->sin_port);
 		beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
 		beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
 		beiscsi_ep->ip_type = BE2_IPV4;
 	} else if (dst_addr->sa_family == PF_INET6) {
 		req->ip_address.ip_type = BE2_IPV6;
 		memcpy(&req->ip_address.ip_address,
 		       &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
 		req->tcp_port = ntohs(daddr_in6->sin6_port);
 		beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
 		memcpy(&beiscsi_ep->dst6_addr,
 		       &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
 		beiscsi_ep->ip_type = BE2_IPV6;
 	} else{
 		shost_printk(KERN_ERR, phba->shost, "unknown addr family %d\n",
 			     dst_addr->sa_family);
 		spin_unlock(&ctrl->mbox_lock);
 		return -EINVAL;

 	}
 	req->cid = cid;
 	i = phba->nxt_cqid++;
 	if (phba->nxt_cqid == phba->num_cpus)
 		phba->nxt_cqid = 0;
 	req->cq_id = phwi_context->be_cq[i].id;
 	SE_DEBUG(DBG_LVL_8, "i=%d cq_id=%d \n", i, req->cq_id);
 	req->defq_id = def_hdr_id;
 	req->hdr_ring_id = def_hdr_id;
 	req->data_ring_id = def_data_id;
 	req->do_offload = 1;
 	req->dataout_template_pa.lo = ptemplate_address->lo;
 	req->dataout_template_pa.hi = ptemplate_address->hi;
 	status = be_mcc_notify_wait(phba);
 	if (!status) {
 		struct iscsi_endpoint *ep;
 		struct tcp_connect_and_offload_out *ptcpcnct_out =
 							embedded_payload(wrb);

 		ep = phba->ep_array[ptcpcnct_out->cid];
 		beiscsi_ep = ep->dd_data;
 		beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle;
 		beiscsi_ep->cid_vld = 1;
 		SE_DEBUG(DBG_LVL_8, "mgmt_open_connection Success\n");
 	} else
 		SE_DEBUG(DBG_LVL_1, "mgmt_open_connection Failed\n");
 	spin_unlock(&ctrl->mbox_lock);
 	return status;
 }

 int be_cmd_get_mac_addr(struct beiscsi_hba *phba, u8 *mac_addr)
 {
 	struct be_ctrl_info *ctrl = &phba->ctrl;
 	struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
 	struct be_cmd_req_get_mac_addr *req = embedded_payload(wrb);
 	int status;

 	SE_DEBUG(DBG_LVL_8, "In be_cmd_get_mac_addr\n");
 	spin_lock(&ctrl->mbox_lock);
 	memset(wrb, 0, sizeof(*wrb));
 	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
 			   OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
 			   sizeof(*req));

 	status = be_mcc_notify_wait(phba);
 	if (!status) {
 		struct be_cmd_resp_get_mac_addr *resp = embedded_payload(wrb);

 		memcpy(mac_addr, resp->mac_address, ETH_ALEN);
 	}

 	spin_unlock(&ctrl->mbox_lock);
 	return status;
 }
	/**
	* Copyright (C) 2005 - 2009 ServerEngines
	* 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.
	*
	* Written by: Jayamohan Kallickal (jayamohank@serverengines.com)
	*
	* Contact Information:
	* linux-drivers@serverengines.com
	*
	* ServerEngines
	* 209 N. Fair Oaks Ave
	* Sunnyvale, CA 94085
	*
	*/

	#include "be_mgmt.h"
	#include "be_iscsi.h"

	unsigned char mgmt_get_fw_config(struct be_ctrl_info *ctrl,
	struct beiscsi_hba *phba)
	{
	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
	struct be_fw_cfg *req = embedded_payload(wrb);
	int status = 0;

	spin_lock(&ctrl->mbox_lock);
	memset(wrb, 0, sizeof(*wrb));

	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);

	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
	OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
	status = be_mbox_notify(ctrl);
	if (!status) {
	struct be_fw_cfg *pfw_cfg;
	pfw_cfg = req;
	phba->fw_config.phys_port = pfw_cfg->phys_port;
	phba->fw_config.iscsi_icd_start =
	pfw_cfg->ulp[0].icd_base;
	phba->fw_config.iscsi_icd_count =
	pfw_cfg->ulp[0].icd_count;
	phba->fw_config.iscsi_cid_start =
	pfw_cfg->ulp[0].sq_base;
	phba->fw_config.iscsi_cid_count =
	pfw_cfg->ulp[0].sq_count;
	} else {
	shost_printk(KERN_WARNING, phba->shost,
	"Failed in mgmt_get_fw_config \n");
	}

	spin_unlock(&ctrl->mbox_lock);
	return status;
	}

	unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
	struct beiscsi_hba *phba)
	{
	struct be_dma_mem nonemb_cmd;
	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
	struct be_mgmt_controller_attributes *req;
	struct be_sge *sge = nonembedded_sgl(wrb);
	int status = 0;

	nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
	sizeof(struct be_mgmt_controller_attributes),
	&nonemb_cmd.dma);
	if (nonemb_cmd.va == NULL) {
	SE_DEBUG(DBG_LVL_1,
	"Failed to allocate memory for mgmt_check_supported_fw"
	"\n");
	return -1;
	}
	nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
	req = nonemb_cmd.va;
	spin_lock(&ctrl->mbox_lock);
	memset(wrb, 0, sizeof(*wrb));
	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
	OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req));
	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
	sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
	sge->len = cpu_to_le32(nonemb_cmd.size);
	status = be_mbox_notify(ctrl);
	if (!status) {
	struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va;
	SE_DEBUG(DBG_LVL_8, "Firmware version of CMD: %s\n",
	resp->params.hba_attribs.flashrom_version_string);
	SE_DEBUG(DBG_LVL_8, "Firmware version is : %s\n",
	resp->params.hba_attribs.firmware_version_string);
	SE_DEBUG(DBG_LVL_8,
	"Developer Build, not performing version check...\n");
	phba->fw_config.iscsi_features =
	resp->params.hba_attribs.iscsi_features;
	SE_DEBUG(DBG_LVL_8, " phba->fw_config.iscsi_features = %d\n",
	phba->fw_config.iscsi_features);
	} else
	SE_DEBUG(DBG_LVL_1, " Failed in mgmt_check_supported_fw\n");
	spin_unlock(&ctrl->mbox_lock);
	if (nonemb_cmd.va)
	pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
	nonemb_cmd.va, nonemb_cmd.dma);

	return status;
	}


	unsigned char mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
	{
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
	struct iscsi_cleanup_req *req = embedded_payload(wrb);
	int status = 0;

	spin_lock(&ctrl->mbox_lock);
	memset(wrb, 0, sizeof(*wrb));

	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
	OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));

	req->chute = chute;
	req->hdr_ring_id = 0;
	req->data_ring_id = 0;

	status = be_mcc_notify_wait(phba);
	if (status)
	shost_printk(KERN_WARNING, phba->shost,
	" mgmt_epfw_cleanup , FAILED\n");
	spin_unlock(&ctrl->mbox_lock);
	return status;
	}

	unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
	unsigned int icd, unsigned int cid)
	{
	struct be_dma_mem nonemb_cmd;
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
	struct be_sge *sge = nonembedded_sgl(wrb);
	struct invalidate_commands_params_in *req;
	int status = 0;

	nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
	sizeof(struct invalidate_commands_params_in),
	&nonemb_cmd.dma);
	if (nonemb_cmd.va == NULL) {
	SE_DEBUG(DBG_LVL_1,
	"Failed to allocate memory for"
	"mgmt_invalidate_icds \n");
	return -1;
	}
	nonemb_cmd.size = sizeof(struct invalidate_commands_params_in);
	req = nonemb_cmd.va;
	spin_lock(&ctrl->mbox_lock);
	memset(wrb, 0, sizeof(*wrb));

	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
	OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
	sizeof(*req));
	req->ref_handle = 0;
	req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
	req->icd_count = 0;
	req->table[req->icd_count].icd = icd;
	req->table[req->icd_count].cid = cid;
	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
	sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
	sge->len = cpu_to_le32(nonemb_cmd.size);

	status = be_mcc_notify_wait(phba);
	if (status)
	SE_DEBUG(DBG_LVL_1, "ICDS Invalidation Failed\n");
	spin_unlock(&ctrl->mbox_lock);
	if (nonemb_cmd.va)
	pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
	nonemb_cmd.va, nonemb_cmd.dma);
	return status;
	}

	unsigned char mgmt_invalidate_connection(struct beiscsi_hba *phba,
	struct beiscsi_endpoint *beiscsi_ep,
	unsigned short cid,
	unsigned short issue_reset,
	unsigned short savecfg_flag)
	{
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
	struct iscsi_invalidate_connection_params_in *req =
	embedded_payload(wrb);
	int status = 0;

	spin_lock(&ctrl->mbox_lock);
	memset(wrb, 0, sizeof(*wrb));

	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
	OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
	sizeof(*req));
	req->session_handle = beiscsi_ep->fw_handle;
	req->cid = cid;
	if (issue_reset)
	req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
	else
	req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
	req->save_cfg = savecfg_flag;
	status = be_mcc_notify_wait(phba);
	if (status)
	SE_DEBUG(DBG_LVL_1, "Invalidation Failed\n");

	spin_unlock(&ctrl->mbox_lock);
	return status;
	}

	unsigned char mgmt_upload_connection(struct beiscsi_hba *phba,
	unsigned short cid, unsigned int upload_flag)
	{
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
	struct tcp_upload_params_in *req = embedded_payload(wrb);
	int status = 0;

	spin_lock(&ctrl->mbox_lock);
	memset(wrb, 0, sizeof(*wrb));

	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
	OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
	req->id = (unsigned short)cid;
	req->upload_type = (unsigned char)upload_flag;
	status = be_mcc_notify_wait(phba);
	if (status)
	SE_DEBUG(DBG_LVL_1, "mgmt_upload_connection Failed\n");
	spin_unlock(&ctrl->mbox_lock);
	return status;
	}

	int mgmt_open_connection(struct beiscsi_hba *phba,
	struct sockaddr *dst_addr,
	struct beiscsi_endpoint *beiscsi_ep)
	{
	struct hwi_controller *phwi_ctrlr;
	struct hwi_context_memory *phwi_context;
	struct sockaddr_in daddr_in = (struct sockaddr_in )dst_addr;
	struct sockaddr_in6 daddr_in6 = (struct sockaddr_in6 )dst_addr;
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
	struct tcp_connect_and_offload_in *req = embedded_payload(wrb);
	unsigned short def_hdr_id;
	unsigned short def_data_id;
	struct phys_addr template_address = { 0, 0 };
	struct phys_addr *ptemplate_address;
	int status = 0;
	unsigned int i;
	unsigned short cid = beiscsi_ep->ep_cid;

	phwi_ctrlr = phba->phwi_ctrlr;
	phwi_context = phwi_ctrlr->phwi_ctxt;
	def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba);
	def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba);

	ptemplate_address = &template_address;
	ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
	spin_lock(&ctrl->mbox_lock);
	memset(wrb, 0, sizeof(*wrb));

	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
	OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
	sizeof(*req));
	if (dst_addr->sa_family == PF_INET) {
	__be32 s_addr = daddr_in->sin_addr.s_addr;
	req->ip_address.ip_type = BE2_IPV4;
	req->ip_address.ip_address[0] = s_addr & 0x000000ff;
	req->ip_address.ip_address[1] = (s_addr & 0x0000ff00) >> 8;
	req->ip_address.ip_address[2] = (s_addr & 0x00ff0000) >> 16;
	req->ip_address.ip_address[3] = (s_addr & 0xff000000) >> 24;
	req->tcp_port = ntohs(daddr_in->sin_port);
	beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
	beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
	beiscsi_ep->ip_type = BE2_IPV4;
	} else if (dst_addr->sa_family == PF_INET6) {
	req->ip_address.ip_type = BE2_IPV6;
	memcpy(&req->ip_address.ip_address,
	&daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
	req->tcp_port = ntohs(daddr_in6->sin6_port);
	beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
	memcpy(&beiscsi_ep->dst6_addr,
	&daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
	beiscsi_ep->ip_type = BE2_IPV6;
	} else{
	shost_printk(KERN_ERR, phba->shost, "unknown addr family %d\n",
	dst_addr->sa_family);
	spin_unlock(&ctrl->mbox_lock);
	return -EINVAL;

	}
	req->cid = cid;
	i = phba->nxt_cqid++;
	if (phba->nxt_cqid == phba->num_cpus)
	phba->nxt_cqid = 0;
	req->cq_id = phwi_context->be_cq[i].id;
	SE_DEBUG(DBG_LVL_8, "i=%d cq_id=%d \n", i, req->cq_id);
	req->defq_id = def_hdr_id;
	req->hdr_ring_id = def_hdr_id;
	req->data_ring_id = def_data_id;
	req->do_offload = 1;
	req->dataout_template_pa.lo = ptemplate_address->lo;
	req->dataout_template_pa.hi = ptemplate_address->hi;
	status = be_mcc_notify_wait(phba);
	if (!status) {
	struct iscsi_endpoint *ep;
	struct tcp_connect_and_offload_out *ptcpcnct_out =
	embedded_payload(wrb);

	ep = phba->ep_array[ptcpcnct_out->cid];
	beiscsi_ep = ep->dd_data;
	beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle;
	beiscsi_ep->cid_vld = 1;
	SE_DEBUG(DBG_LVL_8, "mgmt_open_connection Success\n");
	} else
	SE_DEBUG(DBG_LVL_1, "mgmt_open_connection Failed\n");
	spin_unlock(&ctrl->mbox_lock);
	return status;
	}

	int be_cmd_get_mac_addr(struct beiscsi_hba phba, u8 mac_addr)
	{
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
	struct be_cmd_req_get_mac_addr *req = embedded_payload(wrb);
	int status;

	SE_DEBUG(DBG_LVL_8, "In be_cmd_get_mac_addr\n");
	spin_lock(&ctrl->mbox_lock);
	memset(wrb, 0, sizeof(*wrb));
	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
	OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
	sizeof(*req));

	status = be_mcc_notify_wait(phba);
	if (!status) {
	struct be_cmd_resp_get_mac_addr *resp = embedded_payload(wrb);

	memcpy(mac_addr, resp->mac_address, ETH_ALEN);
	}

	spin_unlock(&ctrl->mbox_lock);
	return status;
	}