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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. * * 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. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/isci/scil/sati_mode_sense.c 231689 2012-02-14 15:58:49Z jimharris $"); /** * @file * @brief This file contains the method implementations required to * translate the SCSI mode sense (6 and 10-byte) commands. */ #if !defined(DISABLE_SATI_MODE_SENSE) #include <dev/isci/scil/sati_mode_sense.h> #include <dev/isci/scil/sati_mode_pages.h> #include <dev/isci/scil/sati_callbacks.h> #include <dev/isci/scil/sati_util.h> #include <dev/isci/scil/intel_scsi.h> #include <dev/isci/scil/intel_ata.h> //****************************************************************************** //* P R I V A T E M E T H O D S //****************************************************************************** #define STANDBY_TIMER_DISABLED 0x00 #define STANDBY_TIMER_ENABLED 0x01 #define STANDBY_TIMER_SUPPORTED 0x2000 /** * @brief This method indicates if the supplied page control is supported * by this translation implementation. Currently savable parameters * (i.e. non-volatile) are not supported. * For more information on the parameters passed to this method, * please reference sati_translate_command(). * * @return This method returns an indication of whether the page control * specified in the SCSI CDB is supported. * @retval SATI_SUCCESS This value is returned if the page control is * supported. * @retval SATI_FAILURE_CHECK_RESPONSE_DATA This value is returned if the * page control is not supported. */ static SATI_STATUS sati_mode_sense_is_page_control_supported( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io ) { U8 * cdb = sati_cb_get_cdb_address(scsi_io); switch (sati_get_cdb_byte(cdb, 2) >> SCSI_MODE_SENSE_PC_SHIFT) { case SCSI_MODE_SENSE_PC_CURRENT: case SCSI_MODE_SENSE_PC_DEFAULT: case SCSI_MODE_SENSE_PC_CHANGEABLE: return SATI_SUCCESS; break; default: case SCSI_MODE_SENSE_PC_SAVED: sati_scsi_sense_data_construct( sequence, scsi_io, SCSI_STATUS_CHECK_CONDITION, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_SAVING_PARMS_NOT_SUPPORTED, SCSI_ASCQ_SAVING_PARMS_NOT_SUPPORTED ); return SATI_FAILURE_CHECK_RESPONSE_DATA; break; } } /** * @brief This method indicates if the page code field in the SCSI CDB * is supported by this translation. * For more information on the parameters passed to this method, * please reference sati_translate_command(). * * @param[in] cdb_length This parameter specifies the length of the SCSI * CDB being translated (e.g. 6-byte, 10-byte, 12-byte, etc.) * * @return This method returns an indication as to whether the page code * in the CDB is supported. * @retval SATI_SUCCESS This value is returned if the page code is * supported. * @retval SATI_FAILURE_CHECK_RESPONSE_DATA This value is returned if the * page code is not supported. */ static SATI_STATUS sati_mode_sense_is_page_code_supported( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, U8 cdb_length ) { U8 * cdb = sati_cb_get_cdb_address(scsi_io); switch (sati_get_cdb_byte(cdb, 2) & SCSI_MODE_SENSE_PAGE_CODE_ENABLE) { case SCSI_MODE_PAGE_CACHING: if (sati_get_cdb_byte(cdb, 0) == SCSI_MODE_SENSE_6) sequence->type = SATI_SEQUENCE_MODE_SENSE_6_CACHING; else sequence->type = SATI_SEQUENCE_MODE_SENSE_10_CACHING; break; case SCSI_MODE_PAGE_ALL_PAGES: if (sati_get_cdb_byte(cdb, 0) == SCSI_MODE_SENSE_6) sequence->type = SATI_SEQUENCE_MODE_SENSE_6_ALL_PAGES; else sequence->type = SATI_SEQUENCE_MODE_SENSE_10_ALL_PAGES; break; case SCSI_MODE_PAGE_READ_WRITE_ERROR: if (sati_get_cdb_byte(cdb, 0) == SCSI_MODE_SENSE_6) sequence->type = SATI_SEQUENCE_MODE_SENSE_6_READ_WRITE_ERROR; else sequence->type = SATI_SEQUENCE_MODE_SENSE_10_READ_WRITE_ERROR; break; case SCSI_MODE_PAGE_DISCONNECT_RECONNECT: if (sati_get_cdb_byte(cdb, 0) == SCSI_MODE_SENSE_6) sequence->type = SATI_SEQUENCE_MODE_SENSE_6_DISCONNECT_RECONNECT; else sequence->type = SATI_SEQUENCE_MODE_SENSE_10_DISCONNECT_RECONNECT; break; case SCSI_MODE_PAGE_CONTROL: if (sati_get_cdb_byte(cdb, 0) == SCSI_MODE_SENSE_6) sequence->type = SATI_SEQUENCE_MODE_SENSE_6_CONTROL; else sequence->type = SATI_SEQUENCE_MODE_SENSE_10_CONTROL; break; case SCSI_MODE_PAGE_POWER_CONDITION: if (sati_get_cdb_byte(cdb, 0) == SCSI_MODE_SENSE_6) sequence->type = SATI_SEQUENCE_MODE_SENSE_6_POWER_CONDITION; else sequence->type = SATI_SEQUENCE_MODE_SENSE_10_POWER_CONDITION; break; case SCSI_MODE_PAGE_INFORMATIONAL_EXCP_CONTROL: // The informational exceptions control page is only useful // if SMART is supported. if ((sequence->device->capabilities | SATI_DEVICE_CAP_SMART_SUPPORT) == 0) { // For a MODE SENSE, utilize INVALID FIELD IN CDB, // For a MODE SELECT, utilize INVALID FIELD IN PARAMETER LIST. if (sati_get_cdb_byte(cdb, 0) == SCSI_MODE_SENSE_6) { sati_scsi_sense_data_construct( sequence, scsi_io, SCSI_STATUS_CHECK_CONDITION, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INVALID_FIELD_IN_CDB, SCSI_ASCQ_INVALID_FIELD_IN_CDB ); } else { sati_scsi_sense_data_construct( sequence, scsi_io, SCSI_STATUS_CHECK_CONDITION, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INVALID_FIELD_IN_PARM_LIST, SCSI_ASCQ_INVALID_FIELD_IN_PARM_LIST ); } return SATI_FAILURE_CHECK_RESPONSE_DATA; } if (sati_get_cdb_byte(cdb, 0) == SCSI_MODE_SENSE_6) sequence->type = SATI_SEQUENCE_MODE_SENSE_6_INFORMATIONAL_EXCP_CONTROL; else sequence->type = SATI_SEQUENCE_MODE_SENSE_10_INFORMATIONAL_EXCP_CONTROL; break; default: sati_scsi_sense_data_construct( sequence, scsi_io, SCSI_STATUS_CHECK_CONDITION, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INVALID_FIELD_IN_CDB, SCSI_ASCQ_INVALID_FIELD_IN_CDB ); return SATI_FAILURE_CHECK_RESPONSE_DATA; break; } return SATI_SUCCESS; } //****************************************************************************** //* P R O T E C T E D M E T H O D S //****************************************************************************** /** * @brief This method will calculate the size of the mode sense data header. * This includes the block descriptor if one is requested. * * @param[in] scsi_io This parameter specifies the user's SCSI IO object * for which to calculate the mode page header. * @param[in] cdb_size This parameter specifies the number of bytes * associated with the CDB for which to calculate the header. * * @return This method returns the size, in bytes, for the mode page header. */ U16 sati_mode_sense_calculate_page_header( void * scsi_io, U8 cdb_size ) { U8 * cdb = sati_cb_get_cdb_address(scsi_io); U16 page_length = 0; // The Mode page header length is different for 6-byte vs. 10-byte CDBs. if (cdb_size == 6) page_length += SCSI_MODE_SENSE_6_HEADER_LENGTH; else page_length += SCSI_MODE_SENSE_10_HEADER_LENGTH; // Are block descriptors disabled (DBD)? 0 indicates they are enabled. if ((sati_get_cdb_byte(cdb, 1) & SCSI_MODE_SENSE_DBD_ENABLE) == 0) { // The LLBAA bit is not defined for 6-byte mode sense requests. if ( (cdb_size == 10) && (sati_get_cdb_byte(cdb, 1) & SCSI_MODE_SENSE_LLBAA_ENABLE) ) page_length += SCSI_MODE_SENSE_LLBA_BLOCK_DESCRIPTOR_LENGTH; else page_length += SCSI_MODE_SENSE_STD_BLOCK_DESCRIPTOR_LENGTH; } return page_length; } /** * @brief This method performs command translation common to all mode sense * requests (6 or 10 byte). * For more information on the parameters passed to this method, * please reference sati_translate_command(). * * @param[in] cdb_length This parameter specifies the number of bytes * in the CDB (6 or 10). * * @return This method returns an indication as to whether the translation * succeeded. * @retval SCI_SUCCESS This value is returned if translation succeeded. * @see sati_mode_sense_is_page_control_supported() or * sati_mode_sense_is_page_code_supported() for more information. */ SATI_STATUS sati_mode_sense_translate_command( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, void * ata_io, U8 cdb_length ) { SATI_STATUS status; /** * Validate that the supplied page control (PC) field is supported. */ status = sati_mode_sense_is_page_control_supported(sequence, scsi_io); if (status != SATI_SUCCESS) return status; /** * Validate that the supplied page code is supported. */ status = sati_mode_sense_is_page_code_supported(sequence,scsi_io,cdb_length); if (status != SATI_SUCCESS) return status; sati_ata_identify_device_construct(ata_io, sequence); return SATI_SUCCESS; } /** * @brief This method will build the standard block descriptor for a MODE * SENSE 6 or 10 byte request. * For more information on the parameters passed to this method, * please reference sati_translate_command(). * * @param[in] identify This parameter specifies the IDENTIFY DEVICE data * associated with the SCSI IO. * @param[in] offset This parameter specifies the offset into the data * buffer at which to build the block descriptor. * * @return This method returns the size of the block descriptor built. */ U32 sati_mode_sense_build_std_block_descriptor( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, ATA_IDENTIFY_DEVICE_DATA_T * identify, U32 offset ) { U32 lba_low = 0; U32 lba_high = 0; U32 sector_size = 0; // Extract the sector information (sector size, logical blocks) from // the retrieved ATA identify device data. sati_ata_identify_device_get_sector_info( identify, &lba_high, &lba_low, §or_size ); // Fill in the 4-byte logical block address field. sati_set_data_byte(sequence, scsi_io, offset, (U8)((lba_low>>24) & 0xFF)); sati_set_data_byte(sequence, scsi_io, offset+1, (U8)((lba_low>>16) & 0xFF)); sati_set_data_byte(sequence, scsi_io, offset+2, (U8)((lba_low>>8) & 0xFF)); sati_set_data_byte(sequence, scsi_io, offset+3, (U8)(lba_low & 0xFF)); // Clear the reserved field. sati_set_data_byte(sequence, scsi_io, offset+4, 0); // Fill in the three byte Block Length field sati_set_data_byte(sequence,scsi_io, offset+5, (U8)((sector_size>>16) & 0xFF)); sati_set_data_byte(sequence,scsi_io, offset+6, (U8)((sector_size>>8) & 0xFF)); sati_set_data_byte(sequence,scsi_io, offset+7, (U8)(sector_size & 0xFF)); return SCSI_MODE_SENSE_STD_BLOCK_DESCRIPTOR_LENGTH; } /** * @brief This method simply copies the mode sense data into the buffer * at the location specified by page_start. The buffer copied is * determined by page_control (e.g. current, default, or changeable * values). * For more information on the parameters passed to this method, * please reference sati_translate_command(). * * @param[in] page_start This parameter specifies the starting offset at * which to copy the mode page data. * @param[in] page_control This parameter specifies the page control * indicating the source buffer to be copied. * @param[in] page_code This specifies the mode sense page to copy. * * @return This method returns the size of the mode page data being copied. */ U32 sati_mode_sense_copy_initial_data( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, U32 page_start, U8 page_control, U8 page_code ) { U16 page_index = sati_mode_page_get_page_index(page_code); U32 page_length = sat_mode_page_sizes[page_index]; // Find out if the current values are requested or if the default // values are being requested. if (page_control == SCSI_MODE_SENSE_PC_CHANGEABLE) { // Copy the changeable mode page information. sati_copy_data( sequence, scsi_io, page_start, sat_changeable_mode_pages[page_index], page_length ); } else { // Copy the default static values template to the user data area. sati_copy_data( sequence, scsi_io, page_start, sat_default_mode_pages[page_index], page_length ); } return page_length; } /** * @brief This method performs the read/write error recovery mode page * specific data translation based upon the contents of the remote * device IDENTIFY DEVICE data. * For more information on the parameters passed to this method, * please reference sati_translate_command(). * * @param[in] identify This parameter specifies the remote device's * IDENTIFY DEVICE data received as part of the IO request. * @param[in] offset This parameter specifies the offset into the data * buffer where the translated data is to be written. * * @return This method returns the size of the mode page data that was * translated. */ U32 sati_mode_sense_read_write_error_translate_data( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, ATA_IDENTIFY_DEVICE_DATA_T * identify, U32 offset ) { U8 * cdb = sati_cb_get_cdb_address(scsi_io); U8 page_control = sati_get_cdb_byte(cdb, 2) >> SCSI_MODE_SENSE_PC_SHIFT; U32 page_length; page_length = sati_mode_sense_copy_initial_data( sequence, scsi_io, offset, page_control, SCSI_MODE_PAGE_READ_WRITE_ERROR ); // Currently we do not override any bits in this mode page from the // identify data. return page_length; } /** * @brief This method performs the disconnect/reconnect mode page * specific data translation based upon the contents of the remote * device IDENTIFY DEVICE data. * For more information on the parameters passed to this method, * please reference sati_translate_command(). * * @param[in] identify This parameter specifies the remote device's * IDENTIFY DEVICE data received as part of the IO request. * @param[in] offset This parameter specifies the offset into the data * buffer where the translated data is to be written. * * @return This method returns the size of the mode page data that was * translated. */ U32 sati_mode_sense_disconnect_reconnect_translate_data( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, ATA_IDENTIFY_DEVICE_DATA_T * identify, U32 offset ) { U8 * cdb = sati_cb_get_cdb_address(scsi_io); U8 page_control = sati_get_cdb_byte(cdb, 2) >> SCSI_MODE_SENSE_PC_SHIFT; U32 page_length; page_length = sati_mode_sense_copy_initial_data( sequence, scsi_io, offset, page_control, SCSI_MODE_PAGE_DISCONNECT_RECONNECT ); // Currently we do not override any bits in this mode page from the // identify data. return page_length; } /** * @brief This method performs the caching mode page specific data * translation based upon the contents of the remote device IDENTIFY * DEVICE data. * For more information on the parameters passed to this method, * please reference sati_translate_command(). * * @param[in] identify This parameter specifies the remote device's * IDENTIFY DEVICE data received as part of the IO request. * @param[in] offset This parameter specifies the offset into the data * buffer where the translated data is to be written. * * @return This method returns the size of the mode page data that was * translated. */ U32 sati_mode_sense_caching_translate_data( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, ATA_IDENTIFY_DEVICE_DATA_T * identify, U32 offset ) { U8 * cdb = sati_cb_get_cdb_address(scsi_io); U8 page_control = sati_get_cdb_byte(cdb, 2) >> SCSI_MODE_SENSE_PC_SHIFT; U32 page_length; page_length = sati_mode_sense_copy_initial_data( sequence, scsi_io, offset, page_control, SCSI_MODE_PAGE_CACHING ); // If the request queried for the current values, then // we need to translate the data from the IDENTIFY DEVICE request. if (page_control == SCSI_MODE_SENSE_PC_CURRENT) { U8 value; // Update the Write Cache Enabled (WCE) bit in the mode page data // buffer based on the identify response. if ((identify->command_set_enabled0 & ATA_IDENTIFY_DEVICE_WCE_ENABLE) != 0) { sati_get_data_byte(sequence, scsi_io, offset+2, &value); value |= SCSI_MODE_PAGE_CACHE_PAGE_WCE_BIT; sati_set_data_byte(sequence, scsi_io, offset+2, value); //This byte has been set twice and needs to be decremented sequence->number_data_bytes_set--; } // Update the Disable Read Ahead (DRA) bit in the mode page data // buffer based on the identify response. if ((identify->command_set_enabled0 & ATA_IDENTIFY_DEVICE_RA_ENABLE) == 0) { // In SATA the polarity of the bits is inverse. // - SCSI = Disable Read Ahead // - ATA = Read Ahead sati_get_data_byte(sequence, scsi_io, offset+12, &value); value |= SCSI_MODE_PAGE_CACHE_PAGE_DRA_BIT; sati_set_data_byte(sequence, scsi_io, offset+12, value); //This byte has been set twice, the first time in //sati_mode_sense_copy_initial_data. number_data_bytes_set //needs to be decremented sequence->number_data_bytes_set--; } } return page_length; } /** * @brief This method performs the control mode page specific data * translation based upon the contents of the remote device * IDENTIFY DEVICE data. * For more information on the parameters passed to this method, * please reference sati_translate_command(). * * @param[in] identify This parameter specifies the remote device's * IDENTIFY DEVICE data received as part of the IO request. * @param[in] offset This parameter specifies the offset into the data * buffer where the translated data is to be written. * * @return This method returns the size of the mode page data that was * translated. */ U32 sati_mode_sense_control_translate_data( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, ATA_IDENTIFY_DEVICE_DATA_T * identify, U32 offset ) { U8 * cdb = sati_cb_get_cdb_address(scsi_io); U8 page_control = sati_get_cdb_byte(cdb, 2) >> SCSI_MODE_SENSE_PC_SHIFT; U32 page_length; U8 value; page_length = sati_mode_sense_copy_initial_data( sequence, scsi_io, offset, page_control, SCSI_MODE_PAGE_CONTROL ); if (sequence->device->descriptor_sense_enable) { sati_get_data_byte(sequence, scsi_io, offset+2, &value); sati_set_data_byte(sequence, scsi_io, offset+2, value | SCSI_MODE_SELECT_MODE_PAGE_D_SENSE); } return page_length; } /** * @brief This method performs the informational exceptions control mode * page specific data translation based upon the contents of the * remote device IDENTIFY DEVICE data. * For more information on the parameters passed to this method, * please reference sati_translate_command(). * * @param[in] identify This parameter specifies the remote device's * IDENTIFY DEVICE data received as part of the IO request. * @param[in] offset This parameter specifies the offset into the data * buffer where the translated data is to be written. * * @return This method returns the size of the mode page data that was * translated. */ U32 sati_mode_sense_informational_excp_control_translate_data( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, ATA_IDENTIFY_DEVICE_DATA_T * identify, U32 offset ) { U8 * cdb = sati_cb_get_cdb_address(scsi_io); U8 page_control = sati_get_cdb_byte(cdb, 2) >> SCSI_MODE_SENSE_PC_SHIFT; U32 page_length; page_length = sati_mode_sense_copy_initial_data( sequence, scsi_io, offset, page_control, SCSI_MODE_PAGE_INFORMATIONAL_EXCP_CONTROL ); // If the request queried for the current values, then // we need to translate the data from the IDENTIFY DEVICE request. if (page_control == SCSI_MODE_SENSE_PC_CURRENT) { U8 value; sati_get_data_byte(sequence, scsi_io, offset+2, &value); // Determine if the SMART feature set is supported and enabled. if ( (identify->command_set_supported0 & ATA_IDENTIFY_COMMAND_SET_SUPPORTED0_SMART_ENABLE) && (identify->command_set_enabled0 & ATA_IDENTIFY_COMMAND_SET_ENABLED0_SMART_ENABLE) ) { // Clear the DXCPT field since the SMART feature is supported/enabled. value &= ~SCSI_MODE_PAGE_INFORMATIONAL_EXCP_DXCPT_ENABLE; } else { // Set the Disable Exception Control (DXCPT) field since the SMART // feature is not supported or enabled. value |= SCSI_MODE_PAGE_INFORMATIONAL_EXCP_DXCPT_ENABLE; } sati_set_data_byte(sequence, scsi_io, offset+2, value); //This byte has been set twice, the first time in //sati_mode_sense_copy_initial_data. number_data_bytes_set //needs to be decremented sequence->number_data_bytes_set--; } return page_length; } /** * @brief This method performs the Power Condition mode page * specific data translation based upon the contents of the * remote device IDENTIFY DEVICE data. * For more information on the parameters passed to this method, * please reference sati_translate_command(). * * @param[in] identify This parameter specifies the remote device's * IDENTIFY DEVICE data received as part of the IO request. * @param[in] offset This parameter specifies the offset into the data * buffer where the translated data is to be written. * * @return This method returns the size of the mode page data that was * translated. */ U32 sati_mode_sense_power_condition_translate_data( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, ATA_IDENTIFY_DEVICE_DATA_T * identify, U32 offset ) { U8 * cdb = sati_cb_get_cdb_address(scsi_io); U8 page_control = sati_get_cdb_byte(cdb, 2) >> SCSI_MODE_SENSE_PC_SHIFT; U8 ata_sb_timer; //Represents tenths of seconds U32 standby_timer = 0x00000000; U8 standby_enabled = STANDBY_TIMER_DISABLED; if ((page_control == SCSI_MODE_SENSE_PC_CURRENT) && (identify->capabilities1 & STANDBY_TIMER_SUPPORTED)) { standby_enabled = STANDBY_TIMER_ENABLED; ata_sb_timer = sequence->device->ata_standby_timer; //converting ATA timer values into SCSI timer values if(ata_sb_timer <= 0xF0) { standby_timer = ata_sb_timer * 50; } else if(ata_sb_timer <= 0xFB) { standby_timer = ((ata_sb_timer - 240) * 18000); } else if(ata_sb_timer == 0xFC) { standby_timer = 12600; } else if(ata_sb_timer == 0xFD) { standby_timer = 432000; } else if(ata_sb_timer == 0xFF) { standby_timer = 12750; } else { standby_timer = 0xFFFFFFFF; } } sati_set_data_byte(sequence, scsi_io, offset, SCSI_MODE_PAGE_POWER_CONDITION); sati_set_data_byte(sequence, scsi_io, offset + 1, (SCSI_MODE_PAGE_1A_LENGTH - 2)); sati_set_data_byte(sequence, scsi_io, offset + 2, 0x00); sati_set_data_byte(sequence, scsi_io, offset + 3, standby_enabled); sati_set_data_byte(sequence, scsi_io, offset + 4, 0x00); sati_set_data_byte(sequence, scsi_io, offset + 5, 0x00); sati_set_data_byte(sequence, scsi_io, offset + 6, 0x00); sati_set_data_byte(sequence, scsi_io, offset + 7, 0x00); sati_set_data_byte(sequence, scsi_io, offset + 8, (U8) (standby_timer >> 24)); sati_set_data_byte(sequence, scsi_io, offset + 9, (U8) (standby_timer >> 16)); sati_set_data_byte(sequence, scsi_io, offset + 10, (U8) (standby_timer >> 8)); sati_set_data_byte(sequence, scsi_io, offset + 11, (U8) standby_timer); return SCSI_MODE_PAGE_1A_LENGTH; } /** * @brief This method performs the all pages mode page specific data * translation based upon the contents of the remote device * IDENTIFY DEVICE data. The ALL PAGES mode sense request asks * for all of mode pages and sub-pages in a single page. * The mode pages are added in ascending order. * For more information on the parameters passed to this method, * please reference sati_translate_command(). * * @param[in] identify This parameter specifies the remote device's * IDENTIFY DEVICE data received as part of the IO request. * @param[in] offset This parameter specifies the offset into the data * buffer where the translated data is to be written. * * @return This method returns the size of the mode page data that was * translated. */ U32 sati_mode_sense_all_pages_translate_data( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io, ATA_IDENTIFY_DEVICE_DATA_T * identify, U32 offset ) { offset += sati_mode_sense_read_write_error_translate_data( sequence, scsi_io, identify, offset ); offset += sati_mode_sense_disconnect_reconnect_translate_data( sequence, scsi_io, identify, offset ); offset += sati_mode_sense_caching_translate_data( sequence, scsi_io, identify, offset ); offset += sati_mode_sense_control_translate_data( sequence, scsi_io, identify, offset ); offset += sati_mode_sense_informational_excp_control_translate_data( sequence, scsi_io, identify, offset ); return offset; } #endif // !defined(DISABLE_SATI_MODE_SENSE)