[net-next-2.6.git] / drivers / scsi / be2iscsi / be_mgmt.c

/**
 * Copyright (C) 2005 - 2010 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"
#include <scsi/scsi_transport_iscsi.h>

unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba)
{
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb;
	struct be_cmd_req_get_mac_addr *req;
	unsigned int tag = 0;

	SE_DEBUG(DBG_LVL_8, "In bescsi_get_boot_target\n");
	spin_lock(&ctrl->mbox_lock);
	tag = alloc_mcc_tag(phba);
	if (!tag) {
		spin_unlock(&ctrl->mbox_lock);
		return tag;
	}

	wrb = wrb_from_mccq(phba);
	req = embedded_payload(wrb);
	wrb->tag0 |= tag;
	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
			   OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET,
			   sizeof(*req));

	be_mcc_notify(phba);
	spin_unlock(&ctrl->mbox_lock);
	return tag;
}

unsigned int beiscsi_get_session_info(struct beiscsi_hba *phba,
				  u32 boot_session_handle,
				  struct be_dma_mem *nonemb_cmd)
{
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb;
	unsigned int tag = 0;
	struct  be_cmd_req_get_session *req;
	struct be_cmd_resp_get_session *resp;
	struct be_sge *sge;

	SE_DEBUG(DBG_LVL_8, "In beiscsi_get_session_info\n");
	spin_lock(&ctrl->mbox_lock);
	tag = alloc_mcc_tag(phba);
	if (!tag) {
		spin_unlock(&ctrl->mbox_lock);
		return tag;
	}

	nonemb_cmd->size = sizeof(*resp);
	req = nonemb_cmd->va;
	memset(req, 0, sizeof(*req));
	wrb = wrb_from_mccq(phba);
	sge = nonembedded_sgl(wrb);
	wrb->tag0 |= tag;


	wrb->tag0 |= tag;
	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
			   OPCODE_ISCSI_INI_SESSION_GET_A_SESSION,
			   sizeof(*resp));
	req->session_handle = boot_session_handle;
	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);

	be_mcc_notify(phba);
	spin_unlock(&ctrl->mbox_lock);
	return tag;
}

int 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;
		if (phba->fw_config.iscsi_cid_count > (BE2_MAX_SESSIONS / 2)) {
			SE_DEBUG(DBG_LVL_8,
				"FW reported MAX CXNS as %d\t"
				"Max Supported = %d.\n",
				phba->fw_config.iscsi_cid_count,
				BE2_MAX_SESSIONS);
			phba->fw_config.iscsi_cid_count = BE2_MAX_SESSIONS / 2;
		}
	} else {
		shost_printk(KERN_WARNING, phba->shost,
			     "Failed in mgmt_get_fw_config\n");
	}

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

int 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 -ENOMEM;
	}
	nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
	req = nonemb_cmd.va;
	memset(req, 0, sizeof(*req));
	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;
}

int 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 int  mgmt_invalidate_icds(struct beiscsi_hba *phba,
				struct invalidate_command_table *inv_tbl,
				unsigned int num_invalidate, unsigned int cid,
				struct be_dma_mem *nonemb_cmd)

{
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb;
	struct be_sge *sge;
	struct invalidate_commands_params_in *req;
	unsigned int i, tag = 0;

	spin_lock(&ctrl->mbox_lock);
	tag = alloc_mcc_tag(phba);
	if (!tag) {
		spin_unlock(&ctrl->mbox_lock);
		return tag;
	}

	req = nonemb_cmd->va;
	memset(req, 0, sizeof(*req));
	wrb = wrb_from_mccq(phba);
	sge = nonembedded_sgl(wrb);
	wrb->tag0 |= tag;

	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;
	for (i = 0; i < num_invalidate; i++) {
		req->table[i].icd = inv_tbl->icd;
		req->table[i].cid = inv_tbl->cid;
		req->icd_count++;
		inv_tbl++;
	}
	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);

	be_mcc_notify(phba);
	spin_unlock(&ctrl->mbox_lock);
	return tag;
}

unsigned int 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;
	struct iscsi_invalidate_connection_params_in *req;
	unsigned int tag = 0;

	spin_lock(&ctrl->mbox_lock);
	tag = alloc_mcc_tag(phba);
	if (!tag) {
		spin_unlock(&ctrl->mbox_lock);
		return tag;
	}
	wrb = wrb_from_mccq(phba);
	wrb->tag0 |= tag;
	req = embedded_payload(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;
	be_mcc_notify(phba);
	spin_unlock(&ctrl->mbox_lock);
	return tag;
}

unsigned int 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;
	struct tcp_upload_params_in *req;
	unsigned int tag = 0;

	spin_lock(&ctrl->mbox_lock);
	tag = alloc_mcc_tag(phba);
	if (!tag) {
		spin_unlock(&ctrl->mbox_lock);
		return tag;
	}
	wrb = wrb_from_mccq(phba);
	req = embedded_payload(wrb);
	wrb->tag0 |= tag;

	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;
	be_mcc_notify(phba);
	spin_unlock(&ctrl->mbox_lock);
	return tag;
}

int mgmt_open_connection(struct beiscsi_hba *phba,
			 struct sockaddr *dst_addr,
			 struct beiscsi_endpoint *beiscsi_ep,
			 struct be_dma_mem *nonemb_cmd)

{
	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;
	struct tcp_connect_and_offload_in *req;
	unsigned short def_hdr_id;
	unsigned short def_data_id;
	struct phys_addr template_address = { 0, 0 };
	struct phys_addr *ptemplate_address;
	unsigned int tag = 0;
	unsigned int i;
	unsigned short cid = beiscsi_ep->ep_cid;
	struct be_sge *sge;

	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);
	tag = alloc_mcc_tag(phba);
	if (!tag) {
		spin_unlock(&ctrl->mbox_lock);
		return tag;
	}
	wrb = wrb_from_mccq(phba);
	memset(wrb, 0, sizeof(*wrb));
	sge = nonembedded_sgl(wrb);

	req = nonemb_cmd->va;
	memset(req, 0, sizeof(*req));
	wrb->tag0 |= tag;

	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
	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);
		free_mcc_tag(&phba->ctrl, tag);
		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;
	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);
	be_mcc_notify(phba);
	spin_unlock(&ctrl->mbox_lock);
	return tag;
}

unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba)
{
	struct be_ctrl_info *ctrl = &phba->ctrl;
	struct be_mcc_wrb *wrb;
	struct be_cmd_req_get_mac_addr *req;
	unsigned int tag = 0;

	SE_DEBUG(DBG_LVL_8, "In be_cmd_get_mac_addr\n");
	spin_lock(&ctrl->mbox_lock);
	tag = alloc_mcc_tag(phba);
	if (!tag) {
		spin_unlock(&ctrl->mbox_lock);
		return tag;
	}

	wrb = wrb_from_mccq(phba);
	req = embedded_payload(wrb);
	wrb->tag0 |= tag;
	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));

	be_mcc_notify(phba);
	spin_unlock(&ctrl->mbox_lock);
	return tag;
}
Commit	Line	Data
6733b39a	1	/**
d2eeb1ac	2	* Copyright (C) 2005 - 2010 ServerEngines
6733b39a JK	3	* All rights reserved.
	4	*
	5	* This program is free software; you can redistribute it and/or
	6	* modify it under the terms of the GNU General Public License version 2
	7	* as published by the Free Software Foundation. The full GNU General
	8	* Public License is included in this distribution in the file called COPYING.
	9	*
	10	* Written by: Jayamohan Kallickal (jayamohank@serverengines.com)
	11	*
	12	* Contact Information:
	13	* linux-drivers@serverengines.com
	14	*
	15	* ServerEngines
	16	* 209 N. Fair Oaks Ave
	17	* Sunnyvale, CA 94085
	18	*
	19	*/
	20
	21	#include "be_mgmt.h"
	22	#include "be_iscsi.h"
c7acc5b8 JK	23	#include <scsi/scsi_transport_iscsi.h>
	24
	25	unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba)
	26	{
	27	struct be_ctrl_info *ctrl = &phba->ctrl;
	28	struct be_mcc_wrb *wrb;
	29	struct be_cmd_req_get_mac_addr *req;
	30	unsigned int tag = 0;
	31
	32	SE_DEBUG(DBG_LVL_8, "In bescsi_get_boot_target\n");
	33	spin_lock(&ctrl->mbox_lock);
	34	tag = alloc_mcc_tag(phba);
	35	if (!tag) {
	36	spin_unlock(&ctrl->mbox_lock);
	37	return tag;
	38	}
	39
	40	wrb = wrb_from_mccq(phba);
	41	req = embedded_payload(wrb);
	42	wrb->tag0 \|= tag;
	43	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	44	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
	45	OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET,
	46	sizeof(*req));
	47
	48	be_mcc_notify(phba);
	49	spin_unlock(&ctrl->mbox_lock);
	50	return tag;
	51	}
	52
	53	unsigned int beiscsi_get_session_info(struct beiscsi_hba *phba,
	54	u32 boot_session_handle,
	55	struct be_dma_mem *nonemb_cmd)
	56	{
	57	struct be_ctrl_info *ctrl = &phba->ctrl;
	58	struct be_mcc_wrb *wrb;
	59	unsigned int tag = 0;
	60	struct be_cmd_req_get_session *req;
	61	struct be_cmd_resp_get_session *resp;
	62	struct be_sge *sge;
	63
	64	SE_DEBUG(DBG_LVL_8, "In beiscsi_get_session_info\n");
	65	spin_lock(&ctrl->mbox_lock);
	66	tag = alloc_mcc_tag(phba);
	67	if (!tag) {
	68	spin_unlock(&ctrl->mbox_lock);
	69	return tag;
	70	}
	71
	72	nonemb_cmd->size = sizeof(*resp);
	73	req = nonemb_cmd->va;
	74	memset(req, 0, sizeof(*req));
	75	wrb = wrb_from_mccq(phba);
	76	sge = nonembedded_sgl(wrb);
	77	wrb->tag0 \|= tag;
	78
	79
	80	wrb->tag0 \|= tag;
	81	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
	82	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
	83	OPCODE_ISCSI_INI_SESSION_GET_A_SESSION,
	84	sizeof(*resp));
	85	req->session_handle = boot_session_handle;
	86	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
87	sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
88	sge->len = cpu_to_le32(nonemb_cmd->size);
89
90	be_mcc_notify(phba);
91	spin_unlock(&ctrl->mbox_lock);
92	return tag;
93	}
6733b39a	94
03a12310	95	int mgmt_get_fw_config(struct be_ctrl_info *ctrl,
6733b39a JK	96	struct beiscsi_hba *phba)
	97	{
	98	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
	99	struct be_fw_cfg *req = embedded_payload(wrb);
	100	int status = 0;
	101
	102	spin_lock(&ctrl->mbox_lock);
	103	memset(wrb, 0, sizeof(*wrb));
	104
	105	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	106
	107	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
	108	OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
6733b39a JK	109	status = be_mbox_notify(ctrl);
	110	if (!status) {
	111	struct be_fw_cfg *pfw_cfg;
	112	pfw_cfg = req;
	113	phba->fw_config.phys_port = pfw_cfg->phys_port;
	114	phba->fw_config.iscsi_icd_start =
	115	pfw_cfg->ulp[0].icd_base;
	116	phba->fw_config.iscsi_icd_count =
	117	pfw_cfg->ulp[0].icd_count;
	118	phba->fw_config.iscsi_cid_start =
	119	pfw_cfg->ulp[0].sq_base;
	120	phba->fw_config.iscsi_cid_count =
	121	pfw_cfg->ulp[0].sq_count;
7da50879	122	if (phba->fw_config.iscsi_cid_count > (BE2_MAX_SESSIONS / 2)) {
a3babda5	123	SE_DEBUG(DBG_LVL_8,
3cbb7a74	124	"FW reported MAX CXNS as %d\t"
a3babda5 JK	125	"Max Supported = %d.\n",
	126	phba->fw_config.iscsi_cid_count,
	127	BE2_MAX_SESSIONS);
	128	phba->fw_config.iscsi_cid_count = BE2_MAX_SESSIONS / 2;
7da50879	129	}
6733b39a JK	130	} else {
6733b39a JK	131	shost_printk(KERN_WARNING, phba->shost,
457ff3b7	132	"Failed in mgmt_get_fw_config\n");
6733b39a JK	133	}
	134
	135	spin_unlock(&ctrl->mbox_lock);
	136	return status;
	137	}
	138
03a12310	139	int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
bfead3b2	140	struct beiscsi_hba *phba)
6733b39a JK	141	{
	142	struct be_dma_mem nonemb_cmd;
	143	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
	144	struct be_mgmt_controller_attributes *req;
	145	struct be_sge *sge = nonembedded_sgl(wrb);
	146	int status = 0;
	147
	148	nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
	149	sizeof(struct be_mgmt_controller_attributes),
	150	&nonemb_cmd.dma);
	151	if (nonemb_cmd.va == NULL) {
	152	SE_DEBUG(DBG_LVL_1,
	153	"Failed to allocate memory for mgmt_check_supported_fw"
	154	"\n");
d3ad2bb3	155	return -ENOMEM;
6733b39a JK	156	}
	157	nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
	158	req = nonemb_cmd.va;
f98c96b0	159	memset(req, 0, sizeof(*req));
6733b39a JK	160	spin_lock(&ctrl->mbox_lock);
	161	memset(wrb, 0, sizeof(*wrb));
	162	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
	163	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
	164	OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req));
	165	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
	166	sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
	167	sge->len = cpu_to_le32(nonemb_cmd.size);
6733b39a JK	168	status = be_mbox_notify(ctrl);
	169	if (!status) {
	170	struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va;
	171	SE_DEBUG(DBG_LVL_8, "Firmware version of CMD: %s\n",
	172	resp->params.hba_attribs.flashrom_version_string);
	173	SE_DEBUG(DBG_LVL_8, "Firmware version is : %s\n",
	174	resp->params.hba_attribs.firmware_version_string);
	175	SE_DEBUG(DBG_LVL_8,
	176	"Developer Build, not performing version check...\n");
bfead3b2 JK	177	phba->fw_config.iscsi_features =
	178	resp->params.hba_attribs.iscsi_features;
	179	SE_DEBUG(DBG_LVL_8, " phba->fw_config.iscsi_features = %d\n",
	180	phba->fw_config.iscsi_features);
6733b39a JK	181	} else
6733b39a JK	182	SE_DEBUG(DBG_LVL_1, " Failed in mgmt_check_supported_fw\n");
bfead3b2	183	spin_unlock(&ctrl->mbox_lock);
6733b39a JK	184	if (nonemb_cmd.va)
	185	pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
	186	nonemb_cmd.va, nonemb_cmd.dma);
	187
6733b39a JK	188	return status;
	189	}
	190
03a12310	191	int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
6733b39a JK	192	{
6733b39a JK	193	struct be_ctrl_info *ctrl = &phba->ctrl;
bfead3b2	194	struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
6733b39a JK	195	struct iscsi_cleanup_req *req = embedded_payload(wrb);
	196	int status = 0;
	197
	198	spin_lock(&ctrl->mbox_lock);
	199	memset(wrb, 0, sizeof(*wrb));
	200
	201	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	202	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
	203	OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));
	204
	205	req->chute = chute;
	206	req->hdr_ring_id = 0;
	207	req->data_ring_id = 0;
	208
bfead3b2	209	status = be_mcc_notify_wait(phba);
6733b39a JK	210	if (status)
	211	shost_printk(KERN_WARNING, phba->shost,
	212	" mgmt_epfw_cleanup , FAILED\n");
	213	spin_unlock(&ctrl->mbox_lock);
	214	return status;
	215	}
	216
03a12310	217	unsigned int mgmt_invalidate_icds(struct beiscsi_hba *phba,
4183122d	218	struct invalidate_command_table *inv_tbl,
3cbb7a74 JK	219	unsigned int num_invalidate, unsigned int cid,
	220	struct be_dma_mem *nonemb_cmd)
	221
6733b39a	222	{
6733b39a	223	struct be_ctrl_info *ctrl = &phba->ctrl;
756d29c8 JK	224	struct be_mcc_wrb *wrb;
756d29c8 JK	225	struct be_sge *sge;
6733b39a	226	struct invalidate_commands_params_in *req;
4183122d	227	unsigned int i, tag = 0;
756d29c8 JK	228
	229	spin_lock(&ctrl->mbox_lock);
	230	tag = alloc_mcc_tag(phba);
	231	if (!tag) {
	232	spin_unlock(&ctrl->mbox_lock);
	233	return tag;
	234	}
6733b39a	235
3cbb7a74	236	req = nonemb_cmd->va;
f98c96b0	237	memset(req, 0, sizeof(*req));
756d29c8 JK	238	wrb = wrb_from_mccq(phba);
	239	sge = nonembedded_sgl(wrb);
	240	wrb->tag0 \|= tag;
6733b39a JK	241
	242	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
	243	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
	244	OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
	245	sizeof(*req));
	246	req->ref_handle = 0;
	247	req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
4183122d JK	248	for (i = 0; i < num_invalidate; i++) {
	249	req->table[i].icd = inv_tbl->icd;
	250	req->table[i].cid = inv_tbl->cid;
	251	req->icd_count++;
	252	inv_tbl++;
	253	}
3cbb7a74 JK	254	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
	255	sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
	256	sge->len = cpu_to_le32(nonemb_cmd->size);
6733b39a	257
756d29c8	258	be_mcc_notify(phba);
6733b39a	259	spin_unlock(&ctrl->mbox_lock);
756d29c8	260	return tag;
6733b39a JK	261	}
6733b39a JK	262
03a12310	263	unsigned int mgmt_invalidate_connection(struct beiscsi_hba *phba,
6733b39a JK	264	struct beiscsi_endpoint *beiscsi_ep,
	265	unsigned short cid,
	266	unsigned short issue_reset,
	267	unsigned short savecfg_flag)
	268	{
	269	struct be_ctrl_info *ctrl = &phba->ctrl;
756d29c8 JK	270	struct be_mcc_wrb *wrb;
	271	struct iscsi_invalidate_connection_params_in *req;
	272	unsigned int tag = 0;
6733b39a JK	273
6733b39a JK	274	spin_lock(&ctrl->mbox_lock);
756d29c8 JK	275	tag = alloc_mcc_tag(phba);
	276	if (!tag) {
	277	spin_unlock(&ctrl->mbox_lock);
	278	return tag;
	279	}
	280	wrb = wrb_from_mccq(phba);
	281	wrb->tag0 \|= tag;
	282	req = embedded_payload(wrb);
6733b39a JK	283
	284	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	285	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
	286	OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
	287	sizeof(*req));
	288	req->session_handle = beiscsi_ep->fw_handle;
	289	req->cid = cid;
	290	if (issue_reset)
	291	req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
	292	else
	293	req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
	294	req->save_cfg = savecfg_flag;
756d29c8	295	be_mcc_notify(phba);
6733b39a	296	spin_unlock(&ctrl->mbox_lock);
756d29c8	297	return tag;
6733b39a JK	298	}
6733b39a JK	299
03a12310	300	unsigned int mgmt_upload_connection(struct beiscsi_hba *phba,
6733b39a JK	301	unsigned short cid, unsigned int upload_flag)
	302	{
	303	struct be_ctrl_info *ctrl = &phba->ctrl;
756d29c8 JK	304	struct be_mcc_wrb *wrb;
	305	struct tcp_upload_params_in *req;
	306	unsigned int tag = 0;
6733b39a JK	307
6733b39a JK	308	spin_lock(&ctrl->mbox_lock);
756d29c8 JK	309	tag = alloc_mcc_tag(phba);
	310	if (!tag) {
	311	spin_unlock(&ctrl->mbox_lock);
	312	return tag;
	313	}
	314	wrb = wrb_from_mccq(phba);
	315	req = embedded_payload(wrb);
	316	wrb->tag0 \|= tag;
6733b39a JK	317
	318	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	319	be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
	320	OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
	321	req->id = (unsigned short)cid;
	322	req->upload_type = (unsigned char)upload_flag;
756d29c8	323	be_mcc_notify(phba);
6733b39a	324	spin_unlock(&ctrl->mbox_lock);
756d29c8	325	return tag;
6733b39a JK	326	}
	327
	328	int mgmt_open_connection(struct beiscsi_hba *phba,
	329	struct sockaddr *dst_addr,
3cbb7a74 JK	330	struct beiscsi_endpoint *beiscsi_ep,
	331	struct be_dma_mem *nonemb_cmd)
	332
6733b39a JK	333	{
	334	struct hwi_controller *phwi_ctrlr;
	335	struct hwi_context_memory *phwi_context;
	336	struct sockaddr_in daddr_in = (struct sockaddr_in )dst_addr;
	337	struct sockaddr_in6 daddr_in6 = (struct sockaddr_in6 )dst_addr;
	338	struct be_ctrl_info *ctrl = &phba->ctrl;
756d29c8 JK	339	struct be_mcc_wrb *wrb;
756d29c8 JK	340	struct tcp_connect_and_offload_in *req;
6733b39a JK	341	unsigned short def_hdr_id;
	342	unsigned short def_data_id;
	343	struct phys_addr template_address = { 0, 0 };
	344	struct phys_addr *ptemplate_address;
756d29c8	345	unsigned int tag = 0;
bfead3b2	346	unsigned int i;
6733b39a	347	unsigned short cid = beiscsi_ep->ep_cid;
3cbb7a74	348	struct be_sge *sge;
6733b39a JK	349
	350	phwi_ctrlr = phba->phwi_ctrlr;
	351	phwi_context = phwi_ctrlr->phwi_ctxt;
	352	def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba);
	353	def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba);
	354
	355	ptemplate_address = &template_address;
	356	ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
	357	spin_lock(&ctrl->mbox_lock);
756d29c8 JK	358	tag = alloc_mcc_tag(phba);
	359	if (!tag) {
	360	spin_unlock(&ctrl->mbox_lock);
	361	return tag;
	362	}
	363	wrb = wrb_from_mccq(phba);
3cbb7a74 JK	364	memset(wrb, 0, sizeof(*wrb));
	365	sge = nonembedded_sgl(wrb);
	366
	367	req = nonemb_cmd->va;
	368	memset(req, 0, sizeof(*req));
756d29c8	369	wrb->tag0 \|= tag;
6733b39a	370
b15d05b0	371	be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
6733b39a JK	372	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
	373	OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
	374	sizeof(*req));
	375	if (dst_addr->sa_family == PF_INET) {
	376	__be32 s_addr = daddr_in->sin_addr.s_addr;
	377	req->ip_address.ip_type = BE2_IPV4;
	378	req->ip_address.ip_address[0] = s_addr & 0x000000ff;
	379	req->ip_address.ip_address[1] = (s_addr & 0x0000ff00) >> 8;
	380	req->ip_address.ip_address[2] = (s_addr & 0x00ff0000) >> 16;
	381	req->ip_address.ip_address[3] = (s_addr & 0xff000000) >> 24;
	382	req->tcp_port = ntohs(daddr_in->sin_port);
	383	beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
	384	beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
	385	beiscsi_ep->ip_type = BE2_IPV4;
	386	} else if (dst_addr->sa_family == PF_INET6) {
	387	req->ip_address.ip_type = BE2_IPV6;
	388	memcpy(&req->ip_address.ip_address,
	389	&daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
	390	req->tcp_port = ntohs(daddr_in6->sin6_port);
	391	beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
	392	memcpy(&beiscsi_ep->dst6_addr,
	393	&daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
	394	beiscsi_ep->ip_type = BE2_IPV6;
	395	} else{
	396	shost_printk(KERN_ERR, phba->shost, "unknown addr family %d\n",
	397	dst_addr->sa_family);
	398	spin_unlock(&ctrl->mbox_lock);
5db3f33d	399	free_mcc_tag(&phba->ctrl, tag);
6733b39a JK	400	return -EINVAL;
	401
	402	}
	403	req->cid = cid;
bfead3b2 JK	404	i = phba->nxt_cqid++;
	405	if (phba->nxt_cqid == phba->num_cpus)
	406	phba->nxt_cqid = 0;
	407	req->cq_id = phwi_context->be_cq[i].id;
457ff3b7	408	SE_DEBUG(DBG_LVL_8, "i=%d cq_id=%d\n", i, req->cq_id);
6733b39a JK	409	req->defq_id = def_hdr_id;
	410	req->hdr_ring_id = def_hdr_id;
	411	req->data_ring_id = def_data_id;
	412	req->do_offload = 1;
	413	req->dataout_template_pa.lo = ptemplate_address->lo;
	414	req->dataout_template_pa.hi = ptemplate_address->hi;
3cbb7a74 JK	415	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
	416	sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
	417	sge->len = cpu_to_le32(nonemb_cmd->size);
756d29c8	418	be_mcc_notify(phba);
6733b39a	419	spin_unlock(&ctrl->mbox_lock);
756d29c8	420	return tag;
6733b39a	421	}
bfead3b2	422
756d29c8	423	unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba)
bfead3b2 JK	424	{
bfead3b2 JK	425	struct be_ctrl_info *ctrl = &phba->ctrl;
756d29c8 JK	426	struct be_mcc_wrb *wrb;
	427	struct be_cmd_req_get_mac_addr *req;
	428	unsigned int tag = 0;
bfead3b2 JK	429
	430	SE_DEBUG(DBG_LVL_8, "In be_cmd_get_mac_addr\n");
	431	spin_lock(&ctrl->mbox_lock);
756d29c8 JK	432	tag = alloc_mcc_tag(phba);
	433	if (!tag) {
	434	spin_unlock(&ctrl->mbox_lock);
	435	return tag;
	436	}
	437
	438	wrb = wrb_from_mccq(phba);
	439	req = embedded_payload(wrb);
	440	wrb->tag0 \|= tag;
bfead3b2 JK	441	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
	442	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
	443	OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
	444	sizeof(*req));
	445
756d29c8	446	be_mcc_notify(phba);
bfead3b2	447	spin_unlock(&ctrl->mbox_lock);
756d29c8	448	return tag;
bfead3b2 JK	449	}
bfead3b2 JK	450