450 lines
13 KiB
C
450 lines
13 KiB
C
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/**
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* Copyright (C) 2005 - 2011 Emulex
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation. The full GNU General
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* Public License is included in this distribution in the file called COPYING.
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*
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* Written by: Jayamohan Kallickal (jayamohan.kallickal@emulex.com)
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*
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* Contact Information:
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* linux-drivers@emulex.com
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*
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* Emulex
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* 3333 Susan Street
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* Costa Mesa, CA 92626
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*/
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#include "be_mgmt.h"
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#include "be_iscsi.h"
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#include <scsi/scsi_transport_iscsi.h>
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unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba)
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{
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struct be_ctrl_info *ctrl = &phba->ctrl;
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struct be_mcc_wrb *wrb;
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struct be_cmd_req_get_mac_addr *req;
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unsigned int tag = 0;
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SE_DEBUG(DBG_LVL_8, "In bescsi_get_boot_target\n");
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spin_lock(&ctrl->mbox_lock);
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tag = alloc_mcc_tag(phba);
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if (!tag) {
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spin_unlock(&ctrl->mbox_lock);
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return tag;
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}
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wrb = wrb_from_mccq(phba);
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req = embedded_payload(wrb);
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wrb->tag0 |= tag;
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be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
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be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
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OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET,
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sizeof(*req));
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be_mcc_notify(phba);
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spin_unlock(&ctrl->mbox_lock);
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return tag;
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}
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unsigned int beiscsi_get_session_info(struct beiscsi_hba *phba,
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u32 boot_session_handle,
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struct be_dma_mem *nonemb_cmd)
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{
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struct be_ctrl_info *ctrl = &phba->ctrl;
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struct be_mcc_wrb *wrb;
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unsigned int tag = 0;
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struct be_cmd_req_get_session *req;
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struct be_cmd_resp_get_session *resp;
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struct be_sge *sge;
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SE_DEBUG(DBG_LVL_8, "In beiscsi_get_session_info\n");
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spin_lock(&ctrl->mbox_lock);
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tag = alloc_mcc_tag(phba);
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if (!tag) {
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spin_unlock(&ctrl->mbox_lock);
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return tag;
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}
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nonemb_cmd->size = sizeof(*resp);
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req = nonemb_cmd->va;
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memset(req, 0, sizeof(*req));
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wrb = wrb_from_mccq(phba);
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sge = nonembedded_sgl(wrb);
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wrb->tag0 |= tag;
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wrb->tag0 |= tag;
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be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
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be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
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OPCODE_ISCSI_INI_SESSION_GET_A_SESSION,
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sizeof(*resp));
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req->session_handle = boot_session_handle;
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sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
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sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
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sge->len = cpu_to_le32(nonemb_cmd->size);
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be_mcc_notify(phba);
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spin_unlock(&ctrl->mbox_lock);
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return tag;
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}
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int mgmt_get_fw_config(struct be_ctrl_info *ctrl,
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struct beiscsi_hba *phba)
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{
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struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
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struct be_fw_cfg *req = embedded_payload(wrb);
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int status = 0;
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spin_lock(&ctrl->mbox_lock);
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memset(wrb, 0, sizeof(*wrb));
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be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
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be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
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OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
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status = be_mbox_notify(ctrl);
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if (!status) {
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struct be_fw_cfg *pfw_cfg;
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pfw_cfg = req;
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phba->fw_config.phys_port = pfw_cfg->phys_port;
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phba->fw_config.iscsi_icd_start =
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pfw_cfg->ulp[0].icd_base;
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phba->fw_config.iscsi_icd_count =
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pfw_cfg->ulp[0].icd_count;
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phba->fw_config.iscsi_cid_start =
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pfw_cfg->ulp[0].sq_base;
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phba->fw_config.iscsi_cid_count =
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pfw_cfg->ulp[0].sq_count;
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if (phba->fw_config.iscsi_cid_count > (BE2_MAX_SESSIONS / 2)) {
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SE_DEBUG(DBG_LVL_8,
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"FW reported MAX CXNS as %d\t"
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"Max Supported = %d.\n",
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phba->fw_config.iscsi_cid_count,
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BE2_MAX_SESSIONS);
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phba->fw_config.iscsi_cid_count = BE2_MAX_SESSIONS / 2;
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}
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} else {
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shost_printk(KERN_WARNING, phba->shost,
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"Failed in mgmt_get_fw_config\n");
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}
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spin_unlock(&ctrl->mbox_lock);
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return status;
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}
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int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
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struct beiscsi_hba *phba)
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{
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struct be_dma_mem nonemb_cmd;
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struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
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struct be_mgmt_controller_attributes *req;
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struct be_sge *sge = nonembedded_sgl(wrb);
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int status = 0;
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nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev,
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sizeof(struct be_mgmt_controller_attributes),
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&nonemb_cmd.dma);
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if (nonemb_cmd.va == NULL) {
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SE_DEBUG(DBG_LVL_1,
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"Failed to allocate memory for mgmt_check_supported_fw"
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"\n");
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return -ENOMEM;
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}
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nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
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req = nonemb_cmd.va;
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memset(req, 0, sizeof(*req));
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spin_lock(&ctrl->mbox_lock);
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memset(wrb, 0, sizeof(*wrb));
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be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
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be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
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OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req));
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sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
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sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
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sge->len = cpu_to_le32(nonemb_cmd.size);
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status = be_mbox_notify(ctrl);
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if (!status) {
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struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va;
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SE_DEBUG(DBG_LVL_8, "Firmware version of CMD: %s\n",
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resp->params.hba_attribs.flashrom_version_string);
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SE_DEBUG(DBG_LVL_8, "Firmware version is : %s\n",
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resp->params.hba_attribs.firmware_version_string);
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SE_DEBUG(DBG_LVL_8,
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"Developer Build, not performing version check...\n");
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phba->fw_config.iscsi_features =
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resp->params.hba_attribs.iscsi_features;
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SE_DEBUG(DBG_LVL_8, " phba->fw_config.iscsi_features = %d\n",
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phba->fw_config.iscsi_features);
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} else
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SE_DEBUG(DBG_LVL_1, " Failed in mgmt_check_supported_fw\n");
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spin_unlock(&ctrl->mbox_lock);
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if (nonemb_cmd.va)
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pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
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nonemb_cmd.va, nonemb_cmd.dma);
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return status;
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}
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int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
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{
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struct be_ctrl_info *ctrl = &phba->ctrl;
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struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
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struct iscsi_cleanup_req *req = embedded_payload(wrb);
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int status = 0;
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spin_lock(&ctrl->mbox_lock);
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memset(wrb, 0, sizeof(*wrb));
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be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
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be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
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OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));
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req->chute = chute;
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req->hdr_ring_id = cpu_to_le16(HWI_GET_DEF_HDRQ_ID(phba));
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req->data_ring_id = cpu_to_le16(HWI_GET_DEF_BUFQ_ID(phba));
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status = be_mcc_notify_wait(phba);
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if (status)
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shost_printk(KERN_WARNING, phba->shost,
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" mgmt_epfw_cleanup , FAILED\n");
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spin_unlock(&ctrl->mbox_lock);
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return status;
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}
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unsigned int mgmt_invalidate_icds(struct beiscsi_hba *phba,
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struct invalidate_command_table *inv_tbl,
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unsigned int num_invalidate, unsigned int cid,
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struct be_dma_mem *nonemb_cmd)
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{
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struct be_ctrl_info *ctrl = &phba->ctrl;
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struct be_mcc_wrb *wrb;
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struct be_sge *sge;
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struct invalidate_commands_params_in *req;
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unsigned int i, tag = 0;
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spin_lock(&ctrl->mbox_lock);
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tag = alloc_mcc_tag(phba);
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if (!tag) {
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spin_unlock(&ctrl->mbox_lock);
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return tag;
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}
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req = nonemb_cmd->va;
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memset(req, 0, sizeof(*req));
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wrb = wrb_from_mccq(phba);
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sge = nonembedded_sgl(wrb);
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wrb->tag0 |= tag;
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be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
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be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
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OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
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sizeof(*req));
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req->ref_handle = 0;
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req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
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for (i = 0; i < num_invalidate; i++) {
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req->table[i].icd = inv_tbl->icd;
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req->table[i].cid = inv_tbl->cid;
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req->icd_count++;
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inv_tbl++;
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}
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sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
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sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
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sge->len = cpu_to_le32(nonemb_cmd->size);
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be_mcc_notify(phba);
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spin_unlock(&ctrl->mbox_lock);
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return tag;
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}
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unsigned int mgmt_invalidate_connection(struct beiscsi_hba *phba,
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struct beiscsi_endpoint *beiscsi_ep,
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unsigned short cid,
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unsigned short issue_reset,
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unsigned short savecfg_flag)
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{
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struct be_ctrl_info *ctrl = &phba->ctrl;
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struct be_mcc_wrb *wrb;
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struct iscsi_invalidate_connection_params_in *req;
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unsigned int tag = 0;
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spin_lock(&ctrl->mbox_lock);
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tag = alloc_mcc_tag(phba);
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if (!tag) {
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spin_unlock(&ctrl->mbox_lock);
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return tag;
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}
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wrb = wrb_from_mccq(phba);
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wrb->tag0 |= tag;
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req = embedded_payload(wrb);
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be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
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be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
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OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
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sizeof(*req));
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req->session_handle = beiscsi_ep->fw_handle;
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req->cid = cid;
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if (issue_reset)
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req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST;
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else
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req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE;
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req->save_cfg = savecfg_flag;
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be_mcc_notify(phba);
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spin_unlock(&ctrl->mbox_lock);
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return tag;
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}
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unsigned int mgmt_upload_connection(struct beiscsi_hba *phba,
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unsigned short cid, unsigned int upload_flag)
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{
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struct be_ctrl_info *ctrl = &phba->ctrl;
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struct be_mcc_wrb *wrb;
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struct tcp_upload_params_in *req;
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unsigned int tag = 0;
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spin_lock(&ctrl->mbox_lock);
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tag = alloc_mcc_tag(phba);
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if (!tag) {
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spin_unlock(&ctrl->mbox_lock);
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return tag;
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}
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wrb = wrb_from_mccq(phba);
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req = embedded_payload(wrb);
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wrb->tag0 |= tag;
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be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
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be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
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OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
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req->id = (unsigned short)cid;
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req->upload_type = (unsigned char)upload_flag;
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be_mcc_notify(phba);
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spin_unlock(&ctrl->mbox_lock);
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return tag;
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}
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int mgmt_open_connection(struct beiscsi_hba *phba,
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struct sockaddr *dst_addr,
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struct beiscsi_endpoint *beiscsi_ep,
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struct be_dma_mem *nonemb_cmd)
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{
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struct hwi_controller *phwi_ctrlr;
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struct hwi_context_memory *phwi_context;
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struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
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struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
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struct be_ctrl_info *ctrl = &phba->ctrl;
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||
|
|
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;
|
||
|
|
}
|
||
|
|
|