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isci: merge sata.[ch] into request.c
Undo some needless separation. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
parent
34a991587a
commit
16ba77091b
@ -1,5 +1,5 @@
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obj-$(CONFIG_SCSI_ISCI) += isci.o
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isci-objs := init.o phy.o request.o sata.o \
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isci-objs := init.o phy.o request.o \
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remote_device.o port.o \
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host.o task.o probe_roms.o \
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remote_node_context.o \
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@ -56,7 +56,6 @@
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#include "isci.h"
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#include "task.h"
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#include "request.h"
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#include "sata.h"
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#include "scu_completion_codes.h"
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#include "scu_event_codes.h"
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#include "sas.h"
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@ -1092,16 +1091,6 @@ smp_request_await_tc_event(struct isci_request *ireq,
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return SCI_SUCCESS;
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}
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void sci_stp_io_request_set_ncq_tag(struct isci_request *ireq,
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u16 ncq_tag)
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{
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/**
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* @note This could be made to return an error to the user if the user
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* attempts to set the NCQ tag in the wrong state.
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*/
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ireq->tc->type.stp.ncq_tag = ncq_tag;
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}
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static struct scu_sgl_element *pio_sgl_next(struct isci_stp_request *stp_req)
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{
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struct scu_sgl_element *sgl;
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@ -2410,6 +2399,29 @@ static void isci_task_save_for_upper_layer_completion(
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}
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}
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static void isci_request_process_stp_response(struct sas_task *task,
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void *response_buffer)
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{
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struct dev_to_host_fis *d2h_reg_fis = response_buffer;
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struct task_status_struct *ts = &task->task_status;
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struct ata_task_resp *resp = (void *)&ts->buf[0];
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resp->frame_len = le16_to_cpu(*(__le16 *)(response_buffer + 6));
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memcpy(&resp->ending_fis[0], response_buffer + 16, 24);
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ts->buf_valid_size = sizeof(*resp);
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/**
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* If the device fault bit is set in the status register, then
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* set the sense data and return.
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*/
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if (d2h_reg_fis->status & ATA_DF)
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ts->stat = SAS_PROTO_RESPONSE;
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else
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ts->stat = SAM_STAT_GOOD;
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ts->resp = SAS_TASK_COMPLETE;
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}
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static void isci_request_io_request_complete(struct isci_host *ihost,
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struct isci_request *request,
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enum sci_io_status completion_status)
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@ -2985,34 +2997,29 @@ static enum sci_status isci_request_ssp_request_construct(
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return status;
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}
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static enum sci_status isci_request_stp_request_construct(
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struct isci_request *request)
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static enum sci_status isci_request_stp_request_construct(struct isci_request *ireq)
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{
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struct sas_task *task = isci_request_access_task(request);
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struct sas_task *task = isci_request_access_task(ireq);
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struct host_to_dev_fis *fis = &ireq->stp.cmd;
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struct ata_queued_cmd *qc = task->uldd_task;
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enum sci_status status;
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struct host_to_dev_fis *register_fis;
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dev_dbg(&request->isci_host->pdev->dev,
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"%s: request = %p\n",
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dev_dbg(&ireq->isci_host->pdev->dev,
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"%s: ireq = %p\n",
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__func__,
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request);
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ireq);
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/* Get the host_to_dev_fis from the core and copy
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* the fis from the task into it.
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*/
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register_fis = isci_sata_task_to_fis_copy(task);
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memcpy(fis, &task->ata_task.fis, sizeof(struct host_to_dev_fis));
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if (!task->ata_task.device_control_reg_update)
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fis->flags |= 0x80;
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fis->flags &= 0xF0;
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status = sci_io_request_construct_basic_sata(request);
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status = sci_io_request_construct_basic_sata(ireq);
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/* Set the ncq tag in the fis, from the queue
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* command in the task.
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*/
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if (isci_sata_is_task_ncq(task)) {
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isci_sata_set_ncq_tag(
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register_fis,
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task
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);
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if (qc && (qc->tf.command == ATA_CMD_FPDMA_WRITE ||
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qc->tf.command == ATA_CMD_FPDMA_READ)) {
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fis->sector_count = qc->tag << 3;
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ireq->tc->type.stp.ncq_tag = qc->tag;
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}
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return status;
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@ -435,8 +435,6 @@ enum sci_status
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sci_task_request_construct_ssp(struct isci_request *ireq);
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enum sci_status
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sci_task_request_construct_sata(struct isci_request *ireq);
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void
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sci_stp_io_request_set_ncq_tag(struct isci_request *ireq, u16 ncq_tag);
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void sci_smp_request_copy_response(struct isci_request *ireq);
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static inline int isci_task_is_ncq_recovery(struct sas_task *task)
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@ -1,232 +0,0 @@
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/*
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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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#include <scsi/sas.h>
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#include "isci.h"
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#include "remote_device.h"
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#include "task.h"
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#include "request.h"
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#include "sata.h"
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/**
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* isci_sata_task_to_fis_copy() - This function gets the host_to_dev_fis from
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* the core and copies the fis from the task into it.
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* @task: This parameter is a pointer to the task struct from libsas.
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*
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* pointer to the host_to_dev_fis from the core request object.
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*/
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struct host_to_dev_fis *isci_sata_task_to_fis_copy(struct sas_task *task)
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{
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struct isci_request *ireq = task->lldd_task;
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struct host_to_dev_fis *fis = &ireq->stp.cmd;
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memcpy(fis, &task->ata_task.fis, sizeof(struct host_to_dev_fis));
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if (!task->ata_task.device_control_reg_update)
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fis->flags |= 0x80;
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fis->flags &= 0xF0;
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return fis;
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}
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/**
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* isci_sata_is_task_ncq() - This function determines if the given stp task is
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* a ncq request.
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* @task: This parameter is a pointer to the task struct from libsas.
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*
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* true if the task is ncq
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*/
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bool isci_sata_is_task_ncq(struct sas_task *task)
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{
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struct ata_queued_cmd *qc = task->uldd_task;
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bool ret = (qc &&
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(qc->tf.command == ATA_CMD_FPDMA_WRITE ||
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qc->tf.command == ATA_CMD_FPDMA_READ));
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return ret;
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}
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/**
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* isci_sata_set_ncq_tag() - This function sets the ncq tag field in the
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* host_to_dev_fis equal to the tag in the queue command in the task.
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* @task: This parameter is a pointer to the task struct from libsas.
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* @register_fis: This parameter is a pointer to the host_to_dev_fis from the
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* core request object.
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*
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*/
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void isci_sata_set_ncq_tag(
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struct host_to_dev_fis *register_fis,
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struct sas_task *task)
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{
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struct ata_queued_cmd *qc = task->uldd_task;
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struct isci_request *request = task->lldd_task;
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register_fis->sector_count = qc->tag << 3;
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sci_stp_io_request_set_ncq_tag(request, qc->tag);
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}
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/**
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* isci_request_process_stp_response() - This function sets the status and
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* response, in the task struct, from the request object for the upper layer
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* driver.
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* @sas_task: This parameter is the task struct from the upper layer driver.
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* @response_buffer: This parameter points to the response of the completed
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* request.
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*
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* none.
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*/
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void isci_request_process_stp_response(struct sas_task *task,
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void *response_buffer)
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{
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struct dev_to_host_fis *d2h_reg_fis = response_buffer;
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struct task_status_struct *ts = &task->task_status;
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struct ata_task_resp *resp = (void *)&ts->buf[0];
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resp->frame_len = le16_to_cpu(*(__le16 *)(response_buffer + 6));
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memcpy(&resp->ending_fis[0], response_buffer + 16, 24);
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ts->buf_valid_size = sizeof(*resp);
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/**
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* If the device fault bit is set in the status register, then
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* set the sense data and return.
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*/
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if (d2h_reg_fis->status & ATA_DF)
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ts->stat = SAS_PROTO_RESPONSE;
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else
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ts->stat = SAM_STAT_GOOD;
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ts->resp = SAS_TASK_COMPLETE;
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}
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enum sci_status isci_sata_management_task_request_build(struct isci_request *ireq)
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{
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struct isci_tmf *isci_tmf;
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enum sci_status status;
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if (tmf_task != ireq->ttype)
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return SCI_FAILURE;
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isci_tmf = isci_request_access_tmf(ireq);
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switch (isci_tmf->tmf_code) {
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case isci_tmf_sata_srst_high:
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case isci_tmf_sata_srst_low: {
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struct host_to_dev_fis *fis = &ireq->stp.cmd;
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memset(fis, 0, sizeof(*fis));
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fis->fis_type = 0x27;
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fis->flags &= ~0x80;
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fis->flags &= 0xF0;
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if (isci_tmf->tmf_code == isci_tmf_sata_srst_high)
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fis->control |= ATA_SRST;
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else
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fis->control &= ~ATA_SRST;
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break;
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}
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/* other management commnd go here... */
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default:
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return SCI_FAILURE;
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}
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/* core builds the protocol specific request
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* based on the h2d fis.
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*/
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status = sci_task_request_construct_sata(ireq);
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return status;
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}
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/**
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* isci_task_send_lu_reset_sata() - This function is called by of the SAS
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* Domain Template functions. This is one of the Task Management functoins
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* called by libsas, to reset the given SAS lun. Note the assumption that
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* while this call is executing, no I/O will be sent by the host to the
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* device.
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* @lun: This parameter specifies the lun to be reset.
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*
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* status, zero indicates success.
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*/
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int isci_task_send_lu_reset_sata(
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struct isci_host *isci_host,
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struct isci_remote_device *isci_device,
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u8 *lun)
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{
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struct isci_tmf tmf;
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int ret = TMF_RESP_FUNC_FAILED;
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/* Send the soft reset to the target */
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#define ISCI_SRST_TIMEOUT_MS 25000 /* 25 second timeout. */
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isci_task_build_tmf(&tmf, isci_tmf_sata_srst_high, NULL, NULL);
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ret = isci_task_execute_tmf(isci_host, isci_device, &tmf,
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ISCI_SRST_TIMEOUT_MS);
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if (ret != TMF_RESP_FUNC_COMPLETE) {
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dev_warn(&isci_host->pdev->dev,
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"%s: Assert SRST failed (%p) = %x",
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__func__,
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isci_device,
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ret);
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/* Return the failure so that the LUN reset is escalated
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* to a target reset.
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*/
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}
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return ret;
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}
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@ -1,79 +0,0 @@
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/*
|
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* This file is provided under a dual BSD/GPLv2 license. When using or
|
||||
* redistributing this file, you may do so under either license.
|
||||
*
|
||||
* GPL LICENSE SUMMARY
|
||||
*
|
||||
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of version 2 of the GNU General Public License as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
* The full GNU General Public License is included in this distribution
|
||||
* in the file called LICENSE.GPL.
|
||||
*
|
||||
* BSD LICENSE
|
||||
*
|
||||
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* * Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* * Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* * Neither the name of Intel Corporation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
struct host_to_dev_fis *isci_sata_task_to_fis_copy(
|
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struct sas_task *task);
|
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|
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bool isci_sata_is_task_ncq(
|
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struct sas_task *task);
|
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|
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void isci_sata_set_ncq_tag(
|
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struct host_to_dev_fis *register_fis,
|
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struct sas_task *task);
|
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|
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void isci_request_process_stp_response(
|
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struct sas_task *task,
|
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void *response_buffer);
|
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|
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u8 isci_sata_get_sat_protocol(
|
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struct isci_request *isci_request);
|
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|
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enum sci_status isci_sata_management_task_request_build(
|
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struct isci_request *isci_request);
|
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|
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int isci_task_send_lu_reset_sata(
|
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struct isci_host *isci_host,
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struct isci_remote_device *isci_device,
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u8 *lun);
|
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@ -61,7 +61,6 @@
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#include "remote_node_context.h"
|
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#include "isci.h"
|
||||
#include "request.h"
|
||||
#include "sata.h"
|
||||
#include "task.h"
|
||||
#include "host.h"
|
||||
|
||||
@ -238,6 +237,46 @@ int isci_task_execute_task(struct sas_task *task, int num, gfp_t gfp_flags)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static enum sci_status isci_sata_management_task_request_build(struct isci_request *ireq)
|
||||
{
|
||||
struct isci_tmf *isci_tmf;
|
||||
enum sci_status status;
|
||||
|
||||
if (tmf_task != ireq->ttype)
|
||||
return SCI_FAILURE;
|
||||
|
||||
isci_tmf = isci_request_access_tmf(ireq);
|
||||
|
||||
switch (isci_tmf->tmf_code) {
|
||||
|
||||
case isci_tmf_sata_srst_high:
|
||||
case isci_tmf_sata_srst_low: {
|
||||
struct host_to_dev_fis *fis = &ireq->stp.cmd;
|
||||
|
||||
memset(fis, 0, sizeof(*fis));
|
||||
|
||||
fis->fis_type = 0x27;
|
||||
fis->flags &= ~0x80;
|
||||
fis->flags &= 0xF0;
|
||||
if (isci_tmf->tmf_code == isci_tmf_sata_srst_high)
|
||||
fis->control |= ATA_SRST;
|
||||
else
|
||||
fis->control &= ~ATA_SRST;
|
||||
break;
|
||||
}
|
||||
/* other management commnd go here... */
|
||||
default:
|
||||
return SCI_FAILURE;
|
||||
}
|
||||
|
||||
/* core builds the protocol specific request
|
||||
* based on the h2d fis.
|
||||
*/
|
||||
status = sci_task_request_construct_sata(ireq);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
static struct isci_request *isci_task_request_build(struct isci_host *ihost,
|
||||
struct isci_remote_device *idev,
|
||||
u16 tag, struct isci_tmf *isci_tmf)
|
||||
@ -287,7 +326,7 @@ static struct isci_request *isci_task_request_build(struct isci_host *ihost,
|
||||
return ireq;
|
||||
}
|
||||
|
||||
int isci_task_execute_tmf(struct isci_host *ihost,
|
||||
static int isci_task_execute_tmf(struct isci_host *ihost,
|
||||
struct isci_remote_device *idev,
|
||||
struct isci_tmf *tmf, unsigned long timeout_ms)
|
||||
{
|
||||
@ -401,8 +440,7 @@ int isci_task_execute_tmf(struct isci_host *ihost,
|
||||
return ret;
|
||||
}
|
||||
|
||||
void isci_task_build_tmf(
|
||||
struct isci_tmf *tmf,
|
||||
static void isci_task_build_tmf(struct isci_tmf *tmf,
|
||||
enum isci_tmf_function_codes code,
|
||||
void (*tmf_sent_cb)(enum isci_tmf_cb_state,
|
||||
struct isci_tmf *,
|
||||
@ -416,16 +454,14 @@ void isci_task_build_tmf(
|
||||
tmf->cb_data = cb_data;
|
||||
}
|
||||
|
||||
static void isci_task_build_abort_task_tmf(
|
||||
struct isci_tmf *tmf,
|
||||
static void isci_task_build_abort_task_tmf(struct isci_tmf *tmf,
|
||||
enum isci_tmf_function_codes code,
|
||||
void (*tmf_sent_cb)(enum isci_tmf_cb_state,
|
||||
struct isci_tmf *,
|
||||
void *),
|
||||
struct isci_request *old_request)
|
||||
{
|
||||
isci_task_build_tmf(tmf, code, tmf_sent_cb,
|
||||
(void *)old_request);
|
||||
isci_task_build_tmf(tmf, code, tmf_sent_cb, old_request);
|
||||
tmf->io_tag = old_request->io_tag;
|
||||
}
|
||||
|
||||
@ -804,6 +840,30 @@ static int isci_task_send_lu_reset_sas(
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int isci_task_send_lu_reset_sata(struct isci_host *ihost,
|
||||
struct isci_remote_device *idev, u8 *lun)
|
||||
{
|
||||
int ret = TMF_RESP_FUNC_FAILED;
|
||||
struct isci_tmf tmf;
|
||||
|
||||
/* Send the soft reset to the target */
|
||||
#define ISCI_SRST_TIMEOUT_MS 25000 /* 25 second timeout. */
|
||||
isci_task_build_tmf(&tmf, isci_tmf_sata_srst_high, NULL, NULL);
|
||||
|
||||
ret = isci_task_execute_tmf(ihost, idev, &tmf, ISCI_SRST_TIMEOUT_MS);
|
||||
|
||||
if (ret != TMF_RESP_FUNC_COMPLETE) {
|
||||
dev_warn(&ihost->pdev->dev,
|
||||
"%s: Assert SRST failed (%p) = %x",
|
||||
__func__, idev, ret);
|
||||
|
||||
/* Return the failure so that the LUN reset is escalated
|
||||
* to a target reset.
|
||||
*/
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* isci_task_lu_reset() - This function is one of the SAS Domain Template
|
||||
* functions. This is one of the Task Management functoins called by libsas,
|
||||
|
||||
@ -211,18 +211,6 @@ int isci_queuecommand(
|
||||
|
||||
int isci_bus_reset_handler(struct scsi_cmnd *cmd);
|
||||
|
||||
void isci_task_build_tmf(
|
||||
struct isci_tmf *tmf,
|
||||
enum isci_tmf_function_codes code,
|
||||
void (*tmf_sent_cb)(enum isci_tmf_cb_state,
|
||||
struct isci_tmf *,
|
||||
void *),
|
||||
void *cb_data);
|
||||
|
||||
int isci_task_execute_tmf(struct isci_host *isci_host,
|
||||
struct isci_remote_device *idev,
|
||||
struct isci_tmf *tmf, unsigned long timeout_ms);
|
||||
|
||||
/**
|
||||
* enum isci_completion_selection - This enum defines the possible actions to
|
||||
* take with respect to a given request's notification back to libsas.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user