![Jayamohan Kallickal](/assets/img/avatar_default.png)
This patch enablesi be2iscsi to use the start number and number of cids/icd provided by FW rather than hard coded values. Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
366 lines
12 KiB
C
366 lines
12 KiB
C
/**
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* Copyright (C) 2005 - 2009 ServerEngines
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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 (jayamohank@serverengines.com)
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*
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* Contact Information:
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* linux-drivers@serverengines.com
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*
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* ServerEngines
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* 209 N. Fair Oaks Ave
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* Sunnyvale, CA 94085
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*
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*/
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#include "be_mgmt.h"
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#include "be_iscsi.h"
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unsigned char 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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status = 1;
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shost_printk(KERN_WARNING, phba->shost,
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"FW reported MAX CXNS as %d \t"
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"Max Supported = %d. Failing to load \n",
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phba->fw_config.iscsi_cid_count,
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BE2_MAX_SESSIONS);
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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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unsigned char 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 -1;
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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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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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unsigned char 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 = 0;
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req->data_ring_id = 0;
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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 char mgmt_invalidate_icds(struct beiscsi_hba *phba,
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unsigned int icd, unsigned int cid)
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{
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struct be_dma_mem nonemb_cmd;
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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 be_sge *sge = nonembedded_sgl(wrb);
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struct invalidate_commands_params_in *req;
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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 invalidate_commands_params_in),
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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"
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"mgmt_invalidate_icds \n");
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return -1;
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}
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nonemb_cmd.size = sizeof(struct invalidate_commands_params_in);
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req = nonemb_cmd.va;
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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_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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req->icd_count = 0;
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req->table[req->icd_count].icd = icd;
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req->table[req->icd_count].cid = cid;
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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_mcc_notify_wait(phba);
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if (status)
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SE_DEBUG(DBG_LVL_1, "ICDS Invalidation Failed\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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unsigned char 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 = wrb_from_mccq(phba);
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struct iscsi_invalidate_connection_params_in *req =
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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_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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status = be_mcc_notify_wait(phba);
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if (status)
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SE_DEBUG(DBG_LVL_1, "Invalidation 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 char 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 = wrb_from_mccq(phba);
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struct tcp_upload_params_in *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_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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status = be_mcc_notify_wait(phba);
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if (status)
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SE_DEBUG(DBG_LVL_1, "mgmt_upload_connection 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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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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{
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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 = wrb_from_mccq(phba);
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struct tcp_connect_and_offload_in *req = embedded_payload(wrb);
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unsigned short def_hdr_id;
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unsigned short def_data_id;
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struct phys_addr template_address = { 0, 0 };
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struct phys_addr *ptemplate_address;
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int status = 0;
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unsigned int i;
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unsigned short cid = beiscsi_ep->ep_cid;
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phwi_ctrlr = phba->phwi_ctrlr;
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phwi_context = phwi_ctrlr->phwi_ctxt;
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def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba);
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def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba);
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ptemplate_address = &template_address;
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ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
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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_TCP_CONNECT_AND_OFFLOAD,
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sizeof(*req));
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if (dst_addr->sa_family == PF_INET) {
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__be32 s_addr = daddr_in->sin_addr.s_addr;
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req->ip_address.ip_type = BE2_IPV4;
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req->ip_address.ip_address[0] = s_addr & 0x000000ff;
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req->ip_address.ip_address[1] = (s_addr & 0x0000ff00) >> 8;
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req->ip_address.ip_address[2] = (s_addr & 0x00ff0000) >> 16;
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req->ip_address.ip_address[3] = (s_addr & 0xff000000) >> 24;
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req->tcp_port = ntohs(daddr_in->sin_port);
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beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
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beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
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beiscsi_ep->ip_type = BE2_IPV4;
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} else if (dst_addr->sa_family == PF_INET6) {
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req->ip_address.ip_type = BE2_IPV6;
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memcpy(&req->ip_address.ip_address,
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&daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
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req->tcp_port = ntohs(daddr_in6->sin6_port);
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beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
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memcpy(&beiscsi_ep->dst6_addr,
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&daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
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beiscsi_ep->ip_type = BE2_IPV6;
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} else{
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shost_printk(KERN_ERR, phba->shost, "unknown addr family %d\n",
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dst_addr->sa_family);
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spin_unlock(&ctrl->mbox_lock);
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return -EINVAL;
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}
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req->cid = cid;
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i = phba->nxt_cqid++;
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if (phba->nxt_cqid == phba->num_cpus)
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phba->nxt_cqid = 0;
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req->cq_id = phwi_context->be_cq[i].id;
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SE_DEBUG(DBG_LVL_8, "i=%d cq_id=%d \n", i, req->cq_id);
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req->defq_id = def_hdr_id;
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req->hdr_ring_id = def_hdr_id;
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req->data_ring_id = def_data_id;
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req->do_offload = 1;
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req->dataout_template_pa.lo = ptemplate_address->lo;
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req->dataout_template_pa.hi = ptemplate_address->hi;
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status = be_mcc_notify_wait(phba);
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if (!status) {
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struct iscsi_endpoint *ep;
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struct tcp_connect_and_offload_out *ptcpcnct_out =
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embedded_payload(wrb);
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ep = phba->ep_array[ptcpcnct_out->cid -
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phba->fw_config.iscsi_cid_start];
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beiscsi_ep = ep->dd_data;
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beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle;
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beiscsi_ep->cid_vld = 1;
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SE_DEBUG(DBG_LVL_8, "mgmt_open_connection Success\n");
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} else
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SE_DEBUG(DBG_LVL_1, "mgmt_open_connection 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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int be_cmd_get_mac_addr(struct beiscsi_hba *phba, u8 *mac_addr)
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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 be_cmd_req_get_mac_addr *req = embedded_payload(wrb);
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int status;
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SE_DEBUG(DBG_LVL_8, "In be_cmd_get_mac_addr\n");
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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_NTWK_GET_NIC_CONFIG,
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sizeof(*req));
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status = be_mcc_notify_wait(phba);
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if (!status) {
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struct be_cmd_resp_get_mac_addr *resp = embedded_payload(wrb);
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memcpy(mac_addr, resp->mac_address, ETH_ALEN);
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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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