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Diffstat (limited to 'drivers/scsi/isci/core/sati_device.h')
| -rw-r--r-- | drivers/scsi/isci/core/sati_device.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/drivers/scsi/isci/core/sati_device.h b/drivers/scsi/isci/core/sati_device.h new file mode 100644 index 000000000000..4d1cfde12cae --- /dev/null +++ b/drivers/scsi/isci/core/sati_device.h @@ -0,0 +1,156 @@ +/* + * 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. + */ + +#ifndef _SATI_DEVICE_H_ +#define _SATI_DEVICE_H_ + +/** + * This file contains all of the defintions for the SATI remote device object. + * Some translations require information to be remembered on a per device + * basis. This information is stored in the object defined in this file. + * + * + */ + +#include "sati_types.h" +#include "intel_ata.h" + +/** + * enum _SATI_DEVICE_STATE - This enumeration depicts the various states + * possible for the a translation remote device object. + * + * + */ +enum sati_device_state { + SATI_DEVICE_STATE_OPERATIONAL, + SATI_DEVICE_STATE_STOPPED, + SATI_DEVICE_STATE_STANDBY, + SATI_DEVICE_STATE_IDLE, + SATI_DEVICE_STATE_DEVICE_FAULT_OCCURRED, + SATI_DEVICE_STATE_FORMAT_UNIT_IN_PROGRESS, + SATI_DEVICE_STATE_SELF_TEST_IN_PROGRESS, + SATI_DEVICE_STATE_SEQUENCE_INCOMPLETE, + SATI_DEVICE_STATE_UNIT_ATTENTION_CONDITION + +}; + +/** + * + * + * SATI_DEVICE_CAPABILITIES These constants define the various capabilities + * that a remote device may support for which there is an impact on translation. + */ +#define SATI_DEVICE_CAP_UDMA_ENABLE 0x00000001 +#define SATI_DEVICE_CAP_NCQ_REQUESTED_ENABLE 0x00000002 +#define SATI_DEVICE_CAP_NCQ_SUPPORTED_ENABLE 0x00000004 +#define SATI_DEVICE_CAP_48BIT_ENABLE 0x00000008 +#define SATI_DEVICE_CAP_DMA_FUA_ENABLE 0x00000010 +#define SATI_DEVICE_CAP_SMART_SUPPORT 0x00000020 +#define SATI_DEVICE_CAP_REMOVABLE_MEDIA 0x00000040 +#define SATI_DEVICE_CAP_SMART_ENABLE 0x00000080 +#define SATI_DEVICE_CAP_WRITE_UNCORRECTABLE_ENABLE 0x00000100 +#define SATI_DEVICE_CAP_MULTIPLE_SECTORS_PER_PHYSCIAL_SECTOR 0x00000200 +#define SATI_DEVICE_CAP_SMART_SELF_TEST_SUPPORT 0x00000400 + + +/** + * struct sati_device - The SATI_DEVICE structure define the state of the + * remote device with respect to translation. + * + * + */ +struct sati_device { + /** + * This field simply dictates the state of the SATI device. + */ + enum sati_device_state state; + + /** + * This field indicates features supported by the remote device that + * impact translation execution. + */ + u16 capabilities; + + /** + * This field indicates the depth of the native command queue supported + * by the device. + */ + u8 ncq_depth; + + /** + * This field stores the additional sense code for a unit attention + * condition. + */ + u8 unit_attention_asc; + + /** + * This field indicates the additional sense code qualifier for a unit + * attention condition. + */ + u8 unit_attention_ascq; + +}; + +void sati_device_construct( + struct sati_device *device, + bool is_ncq_enabled, + u8 max_ncq_depth); + +void sati_device_update_capabilities( + struct sati_device *device, + struct ata_identify_device_data *identify); + +#endif /* _SATI_TRANSLATOR_SEQUENCE_H_ */ + |