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189 lines
5.6 KiB
189 lines
5.6 KiB
/* |
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* This file is provided under a dual BSD/GPLv2 license. When using or |
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* redistributing this file, you may do so under either license. |
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* |
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* GPL LICENSE SUMMARY |
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* |
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of version 2 of the GNU General Public License as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
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* The full GNU General Public License is included in this distribution |
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* in the file called LICENSE.GPL. |
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* |
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* BSD LICENSE |
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* |
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Intel Corporation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef _ISCI_TASK_H_ |
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#define _ISCI_TASK_H_ |
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#include <scsi/sas_ata.h> |
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#include "host.h" |
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#define ISCI_TERMINATION_TIMEOUT_MSEC 500 |
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struct isci_request; |
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/** |
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* enum isci_tmf_function_codes - This enum defines the possible preparations |
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* of task management requests. |
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* |
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* |
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*/ |
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enum isci_tmf_function_codes { |
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isci_tmf_func_none = 0, |
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isci_tmf_ssp_task_abort = TMF_ABORT_TASK, |
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isci_tmf_ssp_lun_reset = TMF_LU_RESET, |
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}; |
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/** |
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* struct isci_tmf - This class represents the task management object which |
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* acts as an interface to libsas for processing task management requests |
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* |
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* |
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*/ |
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struct isci_tmf { |
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struct completion *complete; |
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enum sas_protocol proto; |
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union { |
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struct ssp_response_iu resp_iu; |
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struct dev_to_host_fis d2h_fis; |
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u8 rsp_buf[SSP_RESP_IU_MAX_SIZE]; |
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} resp; |
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unsigned char lun[8]; |
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u16 io_tag; |
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enum isci_tmf_function_codes tmf_code; |
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int status; |
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}; |
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static inline void isci_print_tmf(struct isci_host *ihost, struct isci_tmf *tmf) |
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{ |
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if (SAS_PROTOCOL_SATA == tmf->proto) |
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dev_dbg(&ihost->pdev->dev, |
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"%s: status = %x\n" |
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"tmf->resp.d2h_fis.status = %x\n" |
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"tmf->resp.d2h_fis.error = %x\n", |
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__func__, |
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tmf->status, |
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tmf->resp.d2h_fis.status, |
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tmf->resp.d2h_fis.error); |
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else |
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dev_dbg(&ihost->pdev->dev, |
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"%s: status = %x\n" |
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"tmf->resp.resp_iu.data_present = %x\n" |
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"tmf->resp.resp_iu.status = %x\n" |
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"tmf->resp.resp_iu.data_length = %x\n" |
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"tmf->resp.resp_iu.data[0] = %x\n" |
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"tmf->resp.resp_iu.data[1] = %x\n" |
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"tmf->resp.resp_iu.data[2] = %x\n" |
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"tmf->resp.resp_iu.data[3] = %x\n", |
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__func__, |
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tmf->status, |
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tmf->resp.resp_iu.datapres, |
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tmf->resp.resp_iu.status, |
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be32_to_cpu(tmf->resp.resp_iu.response_data_len), |
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tmf->resp.resp_iu.resp_data[0], |
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tmf->resp.resp_iu.resp_data[1], |
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tmf->resp.resp_iu.resp_data[2], |
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tmf->resp.resp_iu.resp_data[3]); |
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} |
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int isci_task_execute_task( |
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struct sas_task *task, |
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gfp_t gfp_flags); |
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int isci_task_abort_task( |
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struct sas_task *task); |
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int isci_task_abort_task_set( |
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struct domain_device *d_device, |
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u8 *lun); |
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int isci_task_clear_aca( |
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struct domain_device *d_device, |
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u8 *lun); |
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int isci_task_clear_task_set( |
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struct domain_device *d_device, |
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u8 *lun); |
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int isci_task_query_task( |
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struct sas_task *task); |
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int isci_task_lu_reset( |
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struct domain_device *d_device, |
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u8 *lun); |
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int isci_task_clear_nexus_port( |
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struct asd_sas_port *port); |
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int isci_task_clear_nexus_ha( |
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struct sas_ha_struct *ha); |
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int isci_task_I_T_nexus_reset( |
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struct domain_device *d_device); |
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void isci_task_request_complete( |
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struct isci_host *isci_host, |
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struct isci_request *request, |
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enum sci_task_status completion_status); |
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u16 isci_task_ssp_request_get_io_tag_to_manage( |
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struct isci_request *request); |
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u8 isci_task_ssp_request_get_function( |
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struct isci_request *request); |
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void *isci_task_ssp_request_get_response_data_address( |
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struct isci_request *request); |
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u32 isci_task_ssp_request_get_response_data_length( |
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struct isci_request *request); |
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int isci_queuecommand( |
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struct scsi_cmnd *scsi_cmd, |
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void (*donefunc)(struct scsi_cmnd *)); |
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#endif /* !defined(_SCI_TASK_H_) */
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