isci/scil/sati_device.h

/*-
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
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 *
 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
 *
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 * 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.
 *
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 * modification, are permitted provided that the following conditions
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 * $FreeBSD: head/sys/dev/isci/scil/sati_device.h 231136 2012-02-07 17:43:58Z jimharris $
 */
#ifndef _SATI_DEVICE_H_
#define _SATI_DEVICE_H_

/**
 * @file
 * @brief 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 <dev/isci/scil/sati_types.h>
#include <dev/isci/scil/intel_ata.h>

/**
 * @enum _SATI_DEVICE_STATE
 *
 * @brief This enumeration depicts the various states possible for the a
 *        translation remote device object.
 */
typedef 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_STATE;

/**
 * @name 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
#define SATI_DEVICE_CAP_SSD                                  0x00000800
#define SATI_DEVICE_CAP_DSM_TRIM_SUPPORT                     0x00001000
#define SATI_DEVICE_CAP_DETERMINISTIC_READ_AFTER_TRIM        0x00002000
#define SATI_DEVICE_CAP_READ_ZERO_AFTER_TRIM                 0x00004000
#define SATI_DEVICE_CAP_STANDBY_ENABLE                       0x00008000
#define SATI_DEVICE_CAP_IGNORE_FUA                           0x00010000


/*@}*/

/**
 * @struct SATI_DEVICE
 *
 * @brief The SATI_DEVICE structure define the state of the remote device
 *        with respect to translation.
 */
typedef struct SATI_DEVICE
{
   /**
    * This field simply dictates the state of the SATI device.
    */
   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;

   /**
    * This field indicates the ATA standby timer value set throught the
    * ATA IDLE and ATA Standby commands
    */
   U8 ata_standby_timer;

   /**
    * This field indicates the maximum number of data set management
    * descriptor entries the device supports in blocks.
    */
   U16 max_lba_range_entry_blocks;

   /**
    * The field is the reported logical block size for the device
    */
   U32 logical_block_size;

   /**
    * This field is the maximum number of blocks per Download Microcode command
    * for this device.
    */
   U16 max_blocks_per_microcode_command;

   /**
   * This field is the minimum number of blocks per Download Microcode command
   * for this device.
   */
   U16 min_blocks_per_microcode_command;

   /**
    * This field indicates the type of constructed sense data if enabled descriptor
    * sense data will be constructed
    */
   U8 descriptor_sense_enable;

} SATI_DEVICE_T;

void sati_device_construct(
   SATI_DEVICE_T * device,
   BOOL            is_ncq_enabled,
   U8              max_ncq_depth,
   BOOL            ignore_fua
);

void sati_device_update_capabilities(
   SATI_DEVICE_T              * device,
   ATA_IDENTIFY_DEVICE_DATA_T * identify
);

#endif // _SATI_TRANSLATOR_SEQUENCE_H_