/** * @brief This method will translate the ATA Identify Device data into * SCSI read capacity 10 data. * For more information on the parameters passed to this method, * please reference sati_translate_data(). * * @return none */ void sati_read_capacity_10_translate_data( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * ata_input_data, void * scsi_io ) { 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( (ATA_IDENTIFY_DEVICE_DATA_T*)ata_input_data, &lba_high, &lba_low, §or_size ); // SATA drives report a value that is one LBA larger than the last LBA. // SCSI wants the last LBA. Make the correction here. lba_low is // always decremented since it is an unsigned long the value 0 will // wrap to 0xFFFFFFFF. if ((lba_low == 0) && (lba_high == 0)) lba_high -= 1; lba_low -= 1; if(lba_high != 0) { sati_set_data_byte(sequence, scsi_io, 0, 0xFF); sati_set_data_byte(sequence, scsi_io, 1, 0xFF); sati_set_data_byte(sequence, scsi_io, 2, 0xFF); sati_set_data_byte(sequence, scsi_io, 3, 0xFF); } else { // Build CDB for Read Capacity 10 // Fill in the Logical Block Address bytes. sati_set_data_byte(sequence, scsi_io, 0, (U8)((lba_low >> 24) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 1, (U8)((lba_low >> 16) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 2, (U8)((lba_low >> 8) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 3, (U8)(lba_low & 0xFF)); } // Fill in the sector size field. sati_set_data_byte(sequence, scsi_io, 4, (U8)((sector_size >> 24) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 5, (U8)((sector_size >> 16) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 6, (U8)((sector_size >> 8) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 7, (U8)(sector_size & 0xFF)); }
static U32 sati_mode_sense_10_build_llba_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_low, &lba_high, §or_size ); // Fill in the 8-byte logical block area sati_set_data_byte(sequence, scsi_io, offset, (U8)((lba_high>>24) & 0xFF)); sati_set_data_byte(sequence, scsi_io, offset+1, (U8)((lba_high>>16) & 0xFF)); sati_set_data_byte(sequence, scsi_io, offset+2, (U8)((lba_high>>8) & 0xFF)); sati_set_data_byte(sequence, scsi_io, offset+3, (U8)(lba_high & 0xFF)); sati_set_data_byte(sequence, scsi_io, offset+4, (U8)((lba_low>>24) & 0xFF)); sati_set_data_byte(sequence, scsi_io, offset+5, (U8)((lba_low>>16) & 0xFF)); sati_set_data_byte(sequence, scsi_io, offset+6, (U8)((lba_low>>8) & 0xFF)); sati_set_data_byte(sequence, scsi_io, offset+7, (U8)(lba_low & 0xFF)); // Clear the reserved fields. sati_set_data_byte(sequence, scsi_io, offset+8, 0); sati_set_data_byte(sequence, scsi_io, offset+9, 0); sati_set_data_byte(sequence, scsi_io, offset+10, 0); sati_set_data_byte(sequence, scsi_io, offset+11, 0); // Fill in the four byte Block Length field sati_set_data_byte(sequence,scsi_io, offset+12, (U8)((sector_size>>24) & 0xFF)); sati_set_data_byte(sequence,scsi_io, offset+13, (U8)((sector_size>>16) & 0xFF)); sati_set_data_byte(sequence,scsi_io, offset+14, (U8)((sector_size>>8) & 0xFF)); sati_set_data_byte(sequence,scsi_io, offset+15, (U8)(sector_size & 0xFF)); return SCSI_MODE_SENSE_LLBA_BLOCK_DESCRIPTOR_LENGTH; }
/** * @brief This method will translate the ATA Identify Device data into * SCSI read capacity 16 data. * For more information on the parameters passed to this method, * please reference sati_translate_data(). * * @return none */ void sati_read_capacity_16_translate_data( SATI_TRANSLATOR_SEQUENCE_T * sequence, void * ata_input_data, void * scsi_io ) { U32 lba_low = 0; U32 lba_high = 0; U32 sector_size = 0; ATA_IDENTIFY_DEVICE_DATA_T * identify_device_data; U16 physical_per_logical_enable_bit = 0; U8 physical_per_logical_sector_exponent = 0; U16 physical_per_logical_sector = 0; U16 logical_sector_alignment = 0; U16 scsi_logical_sector_alignment = 0; U8 byte14 = 0; //A number of data fields need to be extracted from ATA identify device data identify_device_data = (ATA_IDENTIFY_DEVICE_DATA_T*)ata_input_data; // Extract the sector information (sector size, logical blocks) from // the retrieved ATA identify device data. sati_ata_identify_device_get_sector_info( (ATA_IDENTIFY_DEVICE_DATA_T*)ata_input_data, &lba_high, &lba_low, §or_size ); // SATA drives report a value that is one LBA larger than the last LBA. // SCSI wants the last LBA. Make the correction here. lba_low is // always decremented since it is an unsigned long the value 0 will // wrap to 0xFFFFFFFF. if ((lba_low == 0) && (lba_high == 0)) lba_high -= 1; lba_low -= 1; // Build the CDB for Read Capacity 16 // Fill in the Logical Block Address bytes. sati_set_data_byte(sequence, scsi_io, 0, (U8)((lba_high >> 24) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 1, (U8)((lba_high >> 16) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 2, (U8)((lba_high >> 8) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 3, (U8)(lba_high & 0xFF)); sati_set_data_byte(sequence, scsi_io, 4, (U8)((lba_low >> 24) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 5, (U8)((lba_low >> 16) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 6, (U8)((lba_low >> 8) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 7, (U8)(lba_low & 0xFF)); //Fill in the sector size field. sati_set_data_byte(sequence, scsi_io, 8, (U8)((sector_size >> 24) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 9, (U8)((sector_size >> 16) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 10, (U8)((sector_size >> 8) & 0xFF)); sati_set_data_byte(sequence, scsi_io, 11, (U8)(sector_size & 0xFF)); //Explicitly set byte 12 to 0. SATI requires that all bytes in the data //response be explicitly set to some value. sati_set_data_byte(sequence, scsi_io, 12, 0); //Check Bit 13 of ATA_IDENTIFY_DEVICE_DATA physical_logical_sector_info //(Word 106) is enabled physical_per_logical_enable_bit = (identify_device_data->physical_logical_sector_info & ATA_IDENTIFY_LOGICAL_SECTOR_PER_PHYSICAL_SECTOR_ENABLE); //Extract the Physical per logical sector exponent field and calculate //Physical per logical sector value physical_per_logical_sector_exponent = (U8) (identify_device_data->physical_logical_sector_info & ATA_IDENTIFY_LOGICAL_SECTOR_PER_PHYSICAL_SECTOR_MASK); physical_per_logical_sector = 1 << (physical_per_logical_sector_exponent); //If the data is valid, fill in the logical blocks per physical block exponent field. //Else set logical blocks per physical block exponent to 1 if (physical_per_logical_enable_bit != 0) sati_set_data_byte( sequence, scsi_io, 13, (U8)(physical_per_logical_sector_exponent & 0xFF) ); else sati_set_data_byte(sequence, scsi_io, 13, 0); //Fill in the lowest aligned logical block address field. logical_sector_alignment = identify_device_data->logical_sector_alignment; if (logical_sector_alignment == 0) scsi_logical_sector_alignment = 0; else scsi_logical_sector_alignment = (physical_per_logical_sector - logical_sector_alignment) % physical_per_logical_sector; //Follow SAT for reporting tprz and tpe if ((sequence->device->capabilities & SATI_DEVICE_CAP_DSM_TRIM_SUPPORT) && (sequence->device->capabilities & SATI_DEVICE_CAP_DETERMINISTIC_READ_AFTER_TRIM)) { // tpe byte14 |= 0x80; // tprz if (sequence->device->capabilities & SATI_DEVICE_CAP_READ_ZERO_AFTER_TRIM) byte14 |= 0x40; } sati_set_data_byte( sequence, scsi_io, 14, (U8)(((scsi_logical_sector_alignment >>8) & 0x3F) | byte14)); sati_set_data_byte( sequence, scsi_io, 15, (U8)(scsi_logical_sector_alignment & 0xFF)); }