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/**
* Copyright (C) 2005 - 2011 Emulex
* 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 (jayamohan.kallickal@emulex.com)
*
* Contact Information:
* linux-drivers@emulex.com
*
* Emulex
* 3333 Susan Street
* Costa Mesa, CA 92626
*/
#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 = cpu_to_le16(HWI_GET_DEF_HDRQ_ID(phba));
req->data_ring_id = cpu_to_le16(HWI_GET_DEF_BUFQ_ID(phba));
status = be_mcc_notify_wait(phba);
if (status)
shost_printk(KERN_WARNING, phba->shost,
" mgmt_epfw_cleanup , FAILED\n");
spin_unlock<
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