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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_util.c 240614 2012-09-17 16:39:32Z jimharris $");
/**
* @file
* @brief This file contains all of the method implementations that
* provide generic support for SATI. Some methods can be utilized
* by a user to construct ATA/ATAPI commands, copy ATA device
* structure data, fill in sense data, etc.
*/
#include <dev/isci/scil/sati_util.h>
#include <dev/isci/scil/sati_callbacks.h>
#include <dev/isci/scil/intel_scsi.h>
#include <dev/isci/scil/intel_ata.h>
#include <dev/isci/scil/intel_sat.h>
#include <dev/isci/scil/intel_sas.h>
/**
* @brief This method will set the data direction, protocol, and transfer
* kength for an ATA non-data command.
*
* @pre It is expected that the user will use this method for setting these
* values in a non-data ATA command constuct.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the IDENTIFY DEVICE command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
*
* @return none.
*/
void sati_ata_non_data_command(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence
)
{
sequence->data_direction = SATI_DATA_DIRECTION_NONE;
sequence->protocol = SAT_PROTOCOL_NON_DATA;
sequence->ata_transfer_length = 0;
}
/**
* @brief This method will construct the ATA identify device command.
*
* @pre It is expected that the user has properly set the current contents
* of the register FIS to 0.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the IDENTIFY DEVICE command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
*
* @return none.
*/
void sati_ata_identify_device_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_IDENTIFY_DEVICE);
sequence->data_direction = SATI_DATA_DIRECTION_IN;
sequence->protocol = SAT_PROTOCOL_PIO_DATA_IN;
sequence->ata_transfer_length = sizeof(ATA_IDENTIFY_DEVICE_DATA_T);
}
/**
* @brief This method will construct the ATA Execute Device Diagnostic command.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the IDENTIFY DEVICE command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
*
* @return none.
*/
void sati_ata_execute_device_diagnostic_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_EXECUTE_DEVICE_DIAG);
sequence->data_direction = SATI_DATA_DIRECTION_IN;
sequence->protocol = SAT_PROTOCOL_DEVICE_DIAGNOSTIC;
sequence->ata_transfer_length = 16;
}
/**
* @brief This method will set data bytes in the user data area. If the
* caller requests it, the data written will be forced to ascii
* printable characters if it isn't already a printable character.
* A printable character is considered to be >= 0x20 and <= 0x70.
*
* @param[in] sequence This parameter specifies the translation sequence
* for which to copy and swap the data.
* @param[out] destination_scsi_io This parameter specifies the SCSI IO
* request containing the destination buffer into which to copy.
* @param[in] destination_offset This parameter specifies the offset into
* the data buffer where the information will be copied to.
* @param[in] source_value This parameter specifies the value retrieved
* from the source buffer that is to be copied into the user
* buffer area.
* @param[in] use_printable_chars This parameter indicates if the copy should
* ensure that the value copied is considered an ASCII printable
* character (e.g. A, B, " ", etc.). These characters reside
* in the 0x20 - 0x7E ASCII range.
*
* @return none
*/
static
void sati_set_ascii_data_byte(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * destination_scsi_io,
U32 destination_offset,
U8 source_value,
BOOL use_printable_chars
)
{
// if the user requests that the copied data be ascii printable, then
// default to " " (i.e. 0x20) for all non-ascii printable characters.
if((use_printable_chars == TRUE)
&& ((source_value < 0x20) || (source_value > 0x7E)))
{
source_value = 0x20;
}
sati_set_data_byte(
sequence, destination_scsi_io, destination_offset, source_value
);
}
/**
* @brief This method performs a copy operation using an offset into the
* source buffer, an offset into the destination buffer, and a length.
* It will perform the byte swap from the 16-bit identify field
* into the network byte order SCSI location.
*
* @param[in] sequence This parameter specifies the translation sequence
* for which to copy and swap the data.
* @param[out] destination_scsi_io This parameter specifies the SCSI IO
* request containing the destination buffer into which to copy.
* @param[in] destination_offset This parameter specifies the offset into
* the data buffer where the information will be copied to.
* @param[in] source_buffer This parameter specifies the source buffer from
* which the data will be copied.
* @param[in] source_offset This parameter specifies the offset into the
* source buffer where the copy shall begin.
* @param[in] length This parameter specifies the number of bytes to copy
* during this operation.
* @param[in] use_printable_chars This parameter indicates if the copy should
* ensure that the value copied is considered an ASCII printable
* character (e.g. A, B, " ", etc.). These characters reside
* in the 0x20 - 0x7E ASCII range.
*
* @return none
*/
void sati_ata_identify_device_copy_data(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * destination_scsi_io,
U32 destination_offset,
U8 * source_buffer,
U32 source_offset,
U32 length,
BOOL use_printable_chars
)
{
source_buffer += source_offset;
while (length > 0)
{
sati_set_ascii_data_byte(
sequence,
destination_scsi_io,
destination_offset,
*(source_buffer+1),
use_printable_chars
);
sati_set_ascii_data_byte(
sequence,
destination_scsi_io,
destination_offset+1,
*source_buffer,
use_printable_chars
);
destination_offset += 2;
source_buffer += 2;
length -= 2;
}
}
/**
* @brief This method performs a copy operation using a source buffer,
* an offset into the destination buffer, and a length.
*
* @param[in] sequence This parameter specifies the translation sequence
* for which to copy and swap the data.
* @param[out] destination_scsi_io This parameter specifies the SCSI IO
* request containing the destination buffer into which to copy.
* @param[in] destination_offset This parameter specifies the offset into
* the data buffer where the information will be copied to.
* @param[in] source_buffer This parameter specifies the source buffer from
* which the data will be copied.
* @param[in] length This parameter specifies the number of bytes to copy
* during this operation.
*
* @return none
*/
void sati_copy_data(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * destination_scsi_io,
U32 destination_offset,
U8 * source_buffer,
U32 length
)
{
while (length > 0)
{
sati_set_data_byte(
sequence, destination_scsi_io, destination_offset, *source_buffer
);
destination_offset++;
source_buffer++;
length--;
}
}
/**
* @brief This method extracts the Logical Block Address high and low 32-bit
* values and the sector count 32-bit value from the ATA identify
* device data.
*
* @param[in] identify This parameter specifies the ATA_IDENTIFY_DEVICE_DATA
* from which to extract the sector information.
* @param[out] lba_high This parameter specifies the upper 32 bits for the
* number of logical block addresses for the device. The upper
* 16-bits should always be 0, since 48-bits of LBA is the most
* supported by an ATA device.
* @param[out] lba_low This parameter specifies the lower 32 bits for the
* number of logical block addresses for the device.
* @param[out] sector_size This parameter specifies the 32-bits of sector
* size. If the ATA device doesn't support reporting it's
* sector size, then 512 bytes is utilized as the default value.
*
* @return none
*/
void sati_ata_identify_device_get_sector_info(
ATA_IDENTIFY_DEVICE_DATA_T * identify,
U32 * lba_high,
U32 * lba_low,
U32 * sector_size
)
{
// Calculate the values to be returned
// Calculation will be different if the SATA device supports
// 48-bit addressing. Bit 10 of Word 86 of ATA Identify
if (identify->command_set_enabled1
& ATA_IDENTIFY_COMMAND_SET_SUPPORTED1_48BIT_ENABLE)
{
// This drive supports 48-bit addressing
*lba_high = identify->max_48bit_lba[7] << 24;
*lba_high |= identify->max_48bit_lba[6] << 16;
*lba_high |= identify->max_48bit_lba[5] << 8;
*lba_high |= identify->max_48bit_lba[4];
*lba_low = identify->max_48bit_lba[3] << 24;
*lba_low |= identify->max_48bit_lba[2] << 16;
*lba_low |= identify->max_48bit_lba[1] << 8;
*lba_low |= identify->max_48bit_lba[0];
}
else
{
// This device doesn't support 48-bit addressing
// Pull out the largest LBA from words 60 and 61.
*lba_high = 0;
*lba_low = identify->total_num_sectors[3] << 24;
*lba_low |= identify->total_num_sectors[2] << 16;
*lba_low |= identify->total_num_sectors[1] << 8;
*lba_low |= identify->total_num_sectors[0];
}
// If the ATA device reports its sector size (bit 12 of Word 106),
// then use that instead.
if (identify->physical_logical_sector_info
& ATA_IDENTIFY_SECTOR_LARGER_THEN_512_ENABLE)
{
*sector_size = identify->words_per_logical_sector[3] << 24;
*sector_size |= identify->words_per_logical_sector[2] << 16;
*sector_size |= identify->words_per_logical_sector[1] << 8;
*sector_size |= identify->words_per_logical_sector[0];
}
else
{
// Default the sector size to 512 bytes
*sector_size = 512;
}
}
/**
* @brief This method will construct the ATA check power mode command.
*
* @pre It is expected that the user has properly set the current contents
* of the register FIS to 0.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the CHECK POWER MODE command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
*
* @return none.
*/
void sati_ata_check_power_mode_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_CHECK_POWER_MODE);
sati_ata_non_data_command(ata_io, sequence);
}
/**
* @brief This method is utilized to set a specific byte in the sense
* data area. It will ensure that the supplied byte offset
* isn't larger then the length of the requested sense data.
*
* @param[in] scsi_io This parameter specifies the user SCSI IO request
* for which to set the sense data byte.
* @param[in] byte_offset This parameter specifies the byte offset into
* the sense data buffer where the data should be written.
* @param[in] value This parameter specifies the 8-bit value to be written
* into the sense data area.
*
* @return none
*/
void sati_set_sense_data_byte(
U8 * sense_data,
U32 max_sense_data_len,
U32 byte_offset,
U8 value
)
{
// Ensure that we don't attempt to write past the end of the sense
// data buffer.
if (byte_offset < max_sense_data_len)
sense_data[byte_offset] = value;
}
/**
* @brief This method will construct the common response IU in the user
* request's response IU location.
*
* @param[out] rsp_iu This parameter specifies the user request's
* response IU to be constructed.
* @param[in] scsi_status This parameter specifies the SCSI status
* value for the user's IO request.
* @param[in] sense_data_length This parameter specifies the sense data
* length for response IU.
* @param[in] data_present The parameter specifies the specific
* data present value for response IU.
*
* @return none
*/
void sati_scsi_common_response_iu_construct(
SCI_SSP_RESPONSE_IU_T * rsp_iu,
U8 scsi_status,
U8 sense_data_length,
U8 data_present
)
{
rsp_iu->sense_data_length[3] = sense_data_length;
rsp_iu->sense_data_length[2] = 0;
rsp_iu->sense_data_length[1] = 0;
rsp_iu->sense_data_length[0] = 0;
rsp_iu->status = scsi_status;
rsp_iu->data_present = data_present;
}
/**
* @brief This method will construct the buffer for sense data
* sense data buffer location. Additionally, it will set the user's
* SCSI status.
*
* @param[in,out] scsi_io This parameter specifies the user's IO request
* for which to construct the buffer for sense data.
* @param[in] scsi_status This parameter specifies the SCSI status
* value for the user's IO request.
* @param[out] sense_data This paramater
*
* @return none
*/
static
void sati_scsi_get_sense_data_buffer(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
U8 scsi_status,
U8 ** sense_data,
U32 * sense_len)
{
#ifdef SATI_TRANSPORT_SUPPORTS_SAS
SCI_SSP_RESPONSE_IU_T * rsp_iu = (SCI_SSP_RESPONSE_IU_T*)
sati_cb_get_response_iu_address(scsi_io);
sati_scsi_common_response_iu_construct(
rsp_iu,
scsi_status,
sati_scsi_get_sense_data_length(sequence, scsi_io),
SCSI_RESPONSE_DATA_PRES_SENSE_DATA
);
*sense_data = (U8*) rsp_iu->data;
*sense_len = SSP_RESPONSE_IU_MAX_DATA * 4; // dwords to bytes
#else
*sense_data = sati_cb_get_sense_data_address(scsi_io);
*sense_len = sati_cb_get_sense_data_length(scsi_io);
sati_cb_set_scsi_status(scsi_io, scsi_status);
#endif // SATI_TRANSPORT_SUPPORTS_SAS
}
/**
* @brief This method extract response code based on on device settings.
*
* @return response code
*/
static
U8 sati_scsi_get_sense_data_response_code(SATI_TRANSLATOR_SEQUENCE_T * sequence)
{
if (sequence->device->descriptor_sense_enable)
{
return SCSI_DESCRIPTOR_CURRENT_RESPONSE_CODE;
}
else
{
return SCSI_FIXED_CURRENT_RESPONSE_CODE;
}
}
/**
* @brief This method will return length of descriptor sense data for executed command.
*
* @return sense data length
*/
static
U8 sati_scsi_get_descriptor_sense_data_length(SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io)
{
U8 * cdb = sati_cb_get_cdb_address(scsi_io);
//Initial value is descriptor header length
U8 length = 8;
switch (sati_get_cdb_byte(cdb, 0))
{
#if !defined(DISABLE_SATI_WRITE_LONG)
case SCSI_WRITE_LONG_10:
case SCSI_WRITE_LONG_16:
length += SCSI_BLOCK_DESCRIPTOR_LENGTH +
SCSI_INFORMATION_DESCRIPTOR_LENGTH;
break;
#endif // !defined(DISABLE_SATI_WRITE_LONG)
#if !defined(DISABLE_SATI_REASSIGN_BLOCKS)
case SCSI_REASSIGN_BLOCKS:
length += SCSI_CMD_SPECIFIC_DESCRIPTOR_LENGTH +
SCSI_INFORMATION_DESCRIPTOR_LENGTH;
break;
#endif // !defined(DISABLE_SATI_REASSIGN_BLOCKS)
case SCSI_READ_6:
case SCSI_READ_10:
case SCSI_READ_12:
case SCSI_READ_16:
case SCSI_WRITE_6:
case SCSI_WRITE_10:
case SCSI_WRITE_12:
case SCSI_WRITE_16:
#if !defined(DISABLE_SATI_VERIFY)
case SCSI_VERIFY_10:
case SCSI_VERIFY_12:
case SCSI_VERIFY_16:
#endif // !defined(DISABLE_SATI_VERIFY)
#if !defined(DISABLE_SATI_WRITE_AND_VERIFY) \
&& !defined(DISABLE_SATI_VERIFY) \
&& !defined(DISABLE_SATI_WRITE)
case SCSI_WRITE_AND_VERIFY_10:
case SCSI_WRITE_AND_VERIFY_12:
case SCSI_WRITE_AND_VERIFY_16:
#endif // !defined(DISABLE_SATI_WRITE_AND_VERIFY)
// && !defined(DISABLE_SATI_VERIFY)
// && !defined(DISABLE_SATI_WRITE)
length += SCSI_INFORMATION_DESCRIPTOR_LENGTH;
break;
}
return length;
}
/**
* @brief This method will return length of sense data.
*
* @return sense data length
*/
U8 sati_scsi_get_sense_data_length(SATI_TRANSLATOR_SEQUENCE_T * sequence, void * scsi_io)
{
U8 response_code;
response_code = sati_scsi_get_sense_data_response_code(sequence);
switch (response_code)
{
case SCSI_FIXED_CURRENT_RESPONSE_CODE:
case SCSI_FIXED_DEFERRED_RESPONSE_CODE:
return SCSI_FIXED_SENSE_DATA_BASE_LENGTH;
break;
case SCSI_DESCRIPTOR_CURRENT_RESPONSE_CODE:
case SCSI_DESCRIPTOR_DEFERRED_RESPONSE_CODE:
return sati_scsi_get_descriptor_sense_data_length(sequence, scsi_io);
break;
}
return SCSI_FIXED_SENSE_DATA_BASE_LENGTH;
}
/**
* @brief This method will construct the sense data buffer in the user's
* sense data buffer location. Additionally, it will set the user's
* SCSI status.
*
* @param[in] sequence This parameter specifies the translation sequence
* for which to construct the sense data.
* @param[in,out] scsi_io This parameter specifies the user's IO request
* for which to construct the sense data.
* @param[in] scsi_status This parameter specifies the SCSI status
* value for the user's IO request.
* @param[in] sense_key This parameter specifies the sense key to
* be set for the user's IO request.
* @param[in] additional_sense_code This parameter specifies the
* additional sense code (ASC) key to be set for the user's
* IO request.
* @param[in] additional_sense_code_qualifier This parameter specifies
* the additional sense code qualifier (ASCQ) key to be set
* for the user's IO request.
*
* @return none
*/
void sati_scsi_sense_data_construct(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
U8 scsi_status,
U8 sense_key,
U8 additional_sense_code,
U8 additional_sense_code_qualifier
)
{
U8 response_code;
response_code = sati_scsi_get_sense_data_response_code(sequence);
switch (response_code)
{
case SCSI_FIXED_CURRENT_RESPONSE_CODE:
case SCSI_FIXED_DEFERRED_RESPONSE_CODE:
sati_scsi_fixed_sense_data_construct(sequence, scsi_io, scsi_status, response_code,
sense_key, additional_sense_code, additional_sense_code_qualifier);
break;
case SCSI_DESCRIPTOR_CURRENT_RESPONSE_CODE:
case SCSI_DESCRIPTOR_DEFERRED_RESPONSE_CODE:
sati_scsi_descriptor_sense_data_construct(sequence, scsi_io, scsi_status, response_code,
sense_key, additional_sense_code, additional_sense_code_qualifier);
break;
}
sequence->is_sense_response_set = TRUE;
}
/**
* @brief This method will construct the block descriptor in the user's descriptor
* sense data buffer location.
*
* @param[in] sense_data This parameter specifies the user SCSI IO request
* for which to set the sense data byte.
* @param[in] sense_len This parameter specifies length of the sense data
* to be returned by SATI.
* @param[out] descriptor_len This parameter returns the length of constructed
* descriptor.
*
* @return none
*/
static
void sati_scsi_block_descriptor_construct(
U8 * sense_data,
U32 sense_len)
{
U8 ili = 1;
sati_set_sense_data_byte(sense_data, sense_len, 0, SCSI_BLOCK_DESCRIPTOR_TYPE);
sati_set_sense_data_byte(sense_data, sense_len, 1, SCSI_BLOCK_DESCRIPTOR_ADDITIONAL_LENGTH);
sati_set_sense_data_byte(sense_data, sense_len, 2, 0);
sati_set_sense_data_byte(sense_data, sense_len, 3, (ili << 5));
}
/**
* @brief This method will construct the command-specific descriptor for
* the descriptor sense data buffer in the user's sense data buffer
* location.
*
* @param[in] sense_data This parameter specifies the user SCSI IO request
* for which to set the sense data byte.
* @param[in] sense_len This parameter specifies length of the sense data
* to be returned by SATI.
* @param[out] descriptor_len This parameter returns the length of constructed
* descriptor.
* @param[in] information_buff This parameter specifies the address for which
* to set the command-specific information buffer.
*
* @return none
*/
static
void sati_scsi_command_specific_descriptor_construct(
U8 * sense_data,
U32 sense_len,
U8 * information_buff)
{
U8 i;
sati_set_sense_data_byte(sense_data, sense_len, 0, SCSI_CMD_SPECIFIC_DESCRIPTOR_TYPE);
sati_set_sense_data_byte(sense_data, sense_len, 1, SCSI_CMD_SPECIFIC_DESCRIPTOR_ADDITIONAL_LENGTH);
sati_set_sense_data_byte(sense_data, sense_len, 2, 0);
sati_set_sense_data_byte(sense_data, sense_len, 3, 0);
// fill information buffer
// SBC 5.20.1 REASSIGN BLOCKS command overview
// If information about the first LBA not reassigned is not available
// COMMAND-SPECIFIC INFORMATION field shall be set to FFFF_FFFF_FFFF_FFFFh
for (i=0; i<8; i++)
sati_set_sense_data_byte(sense_data, sense_len, 4 + i, information_buff==NULL?0xFF:information_buff[i]);
}
/**
* @brief This method will construct the information descriptor for
* the descriptor sense data buffer in the user's sense data buffer
* location.
*
* @param[in] sense_data This parameter specifies the user SCSI IO request
* for which to set the sense data byte.
* @param[in] sense_len This parameter specifies length of the sense data
* to be returned by SATI.
* @param[out] descriptor_len This parameter returns the length of constructed
* descriptor.
* @param[in] information_buff This parameter specifies the address for which
* to set the information buffer.
*
* @return none
*/
static
void sati_scsi_information_descriptor_construct(
U8 * sense_data,
U32 sense_len,
U8 * information_buff)
{
U8 i;
U8 valid = 1;
sati_set_sense_data_byte(sense_data, sense_len, 0, SCSI_INFORMATION_DESCRIPTOR_TYPE);
sati_set_sense_data_byte(sense_data, sense_len, 1, SCSI_INFORMATION_DESCRIPTOR_ADDITIONAL_LENGTH);
sati_set_sense_data_byte(sense_data, sense_len, 2, (valid << 7));
sati_set_sense_data_byte(sense_data, sense_len, 3, 0);
// fill information buffer
for (i=0; i<8; i++)
sati_set_sense_data_byte(sense_data, sense_len, 4 + i, information_buff==NULL?0:information_buff[i]);
}
/**
* @brief This method will construct the descriptors in the user's descriptor
* sense data buffer location.
*
* @param[in,out] scsi_io This parameter specifies the user's IO request
* for which to construct the sense data.
* @param[in] sense_data This parameter specifies the user SCSI IO request
* for which to set the sense data byte.
* @param[in] sense_len This parameter specifies length of the sense data
* to be returned by SATI.
* @param[out] descriptor_len This parameter returns the length of constructed
* descriptor.
* @param[in] information_buff This parameter specifies the address for which
* to set the information buffer.
*
* @return none
*/
static
void sati_scsi_common_descriptors_construct(
void * scsi_io,
U8 * sense_data,
U32 sense_len,
U8 * information_buff)
{
U8 * cdb = sati_cb_get_cdb_address(scsi_io);
U8 offset = 0;
switch (sati_get_cdb_byte(cdb, 0))
{
#if !defined(DISABLE_SATI_WRITE_LONG)
case SCSI_WRITE_LONG_10:
case SCSI_WRITE_LONG_16:
sati_scsi_block_descriptor_construct(
sense_data + offset,
sense_len - offset);
offset += SCSI_BLOCK_DESCRIPTOR_LENGTH;
sati_scsi_information_descriptor_construct(
sense_data + offset,
sense_len - offset,
information_buff);
offset += SCSI_INFORMATION_DESCRIPTOR_LENGTH;
break;
#endif // !defined(DISABLE_SATI_WRITE_LONG)
#if !defined(DISABLE_SATI_REASSIGN_BLOCKS)
case SCSI_REASSIGN_BLOCKS:
sati_scsi_command_specific_descriptor_construct(
sense_data + offset,
sense_len - offset,
NULL);
offset += SCSI_CMD_SPECIFIC_DESCRIPTOR_LENGTH;
sati_scsi_information_descriptor_construct(
sense_data + offset,
sense_len - offset,
information_buff);
offset += SCSI_INFORMATION_DESCRIPTOR_LENGTH;
break;
#endif // !defined(DISABLE_SATI_REASSIGN_BLOCKS)
case SCSI_READ_6:
case SCSI_READ_10:
case SCSI_READ_12:
case SCSI_READ_16:
case SCSI_WRITE_6:
case SCSI_WRITE_10:
case SCSI_WRITE_12:
case SCSI_WRITE_16:
#if !defined(DISABLE_SATI_VERIFY)
case SCSI_VERIFY_10:
case SCSI_VERIFY_12:
case SCSI_VERIFY_16:
#endif // !defined(DISABLE_SATI_VERIFY)
#if !defined(DISABLE_SATI_WRITE_AND_VERIFY) \
&& !defined(DISABLE_SATI_VERIFY) \
&& !defined(DISABLE_SATI_WRITE)
case SCSI_WRITE_AND_VERIFY_10:
case SCSI_WRITE_AND_VERIFY_12:
case SCSI_WRITE_AND_VERIFY_16:
#endif // !defined(DISABLE_SATI_WRITE_AND_VERIFY)
// && !defined(DISABLE_SATI_VERIFY)
// && !defined(DISABLE_SATI_WRITE)
sati_scsi_information_descriptor_construct(
sense_data + offset,
sense_len - offset,
information_buff);
offset += SCSI_INFORMATION_DESCRIPTOR_LENGTH;
break;
}
}
/**
* @brief This method will construct the descriptor sense data buffer in
* the user's sense data buffer location. Additionally, it will set
* the user's SCSI status.
*
* @param[in] sequence This parameter specifies the translation sequence
* for which to construct the sense data.
* @param[in,out] scsi_io This parameter specifies the user's IO request
* for which to construct the sense data.
* @param[in] scsi_status This parameter specifies the SCSI status
* value for the user's IO request.
* @param[in] sense_key This parameter specifies the sense key to
* be set for the user's IO request.
* @param[in] additional_sense_code This parameter specifies the
* additional sense code (ASC) key to be set for the user's
* IO request.
* @param[in] additional_sense_code_qualifier This parameter specifies
* the additional sense code qualifier (ASCQ) key to be set
* for the user's IO request.
*
* @return none
*/
void sati_scsi_descriptor_sense_data_construct(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
U8 scsi_status,
U8 response_code,
U8 sense_key,
U8 additional_sense_code,
U8 additional_sense_code_qualifier
)
{
U8 * sense_data;
U32 sense_len;
sati_scsi_get_sense_data_buffer(sequence, scsi_io, scsi_status, &sense_data, &sense_len);
sati_set_sense_data_byte(
sense_data,
sense_len,
0,
response_code
);
sati_set_sense_data_byte(sense_data, sense_len, 1, sense_key);
sati_set_sense_data_byte(sense_data, sense_len, 2, additional_sense_code);
sati_set_sense_data_byte(sense_data, sense_len, 3, additional_sense_code_qualifier);
sati_set_sense_data_byte(sense_data, sense_len, 4, 0);
sati_set_sense_data_byte(sense_data, sense_len, 5, 0);
sati_set_sense_data_byte(sense_data, sense_len, 6, 0);
sati_scsi_common_descriptors_construct(scsi_io, sense_data + 8, sense_len, NULL);
sati_set_sense_data_byte(sense_data, sense_len, 7, sati_scsi_get_descriptor_sense_data_length(sequence, scsi_io) - 8);
}
/**
* @brief This method will construct the fixed format sense data buffer
* in the user's sense data buffer location. Additionally, it will
* set the user's SCSI status.
*
* @param[in] sequence This parameter specifies the translation sequence
* for which to construct the sense data.
* @param[in,out] scsi_io This parameter specifies the user's IO request
* for which to construct the sense data.
* @param[in] scsi_status This parameter specifies the SCSI status
* value for the user's IO request.
* @param[in] sense_key This parameter specifies the sense key to
* be set for the user's IO request.
* @param[in] additional_sense_code This parameter specifies the
* additional sense code (ASC) key to be set for the user's
* IO request.
* @param[in] additional_sense_code_qualifier This parameter specifies
* the additional sense code qualifier (ASCQ) key to be set
* for the user's IO request.
*
* @return none
*/
void sati_scsi_fixed_sense_data_construct(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
U8 scsi_status,
U8 response_code,
U8 sense_key,
U8 additional_sense_code,
U8 additional_sense_code_qualifier
)
{
U8 * sense_data;
U32 sense_len;
sati_scsi_get_sense_data_buffer(sequence, scsi_io, scsi_status, &sense_data, &sense_len);
// Write out the sense data format per SPC-4.
// We utilize the fixed format sense data format.
sati_set_sense_data_byte(
sense_data,
sense_len,
0,
response_code | SCSI_FIXED_SENSE_DATA_VALID_BIT
);
sati_set_sense_data_byte(sense_data, sense_len, 1, 0);
sati_set_sense_data_byte(sense_data, sense_len, 2, sense_key);
sati_set_sense_data_byte(sense_data, sense_len, 3, 0);
sati_set_sense_data_byte(sense_data, sense_len, 4, 0);
sati_set_sense_data_byte(sense_data, sense_len, 5, 0);
sati_set_sense_data_byte(sense_data, sense_len, 6, 0);
sati_set_sense_data_byte(sense_data, sense_len, 7, 0);
sati_set_sense_data_byte(sense_data, sense_len, 8, 0);
sati_set_sense_data_byte(sense_data, sense_len, 9, 0);
sati_set_sense_data_byte(sense_data, sense_len, 10, 0);
sati_set_sense_data_byte(sense_data, sense_len, 11, 0);
sati_set_sense_data_byte(sense_data, sense_len, 12, additional_sense_code);
sati_set_sense_data_byte(sense_data, sense_len, 13, additional_sense_code_qualifier);
sati_set_sense_data_byte(sense_data, sense_len, 14, 0);
sati_set_sense_data_byte(sense_data, sense_len, 15, 0);
sati_set_sense_data_byte(sense_data, sense_len, 16, 0);
sati_set_sense_data_byte(sense_data, sense_len, 17, 0);
}
/**
* @brief This method will construct common sense data that will be identical in
* both read error sense construct functions.
* sati_scsi_read_ncq_error_sense_construct,
* sati_scsi_read_error_sense_construct
*
* @param[in] sense_data This parameter specifies the user SCSI IO request
* for which to set the sense data byte.
* @param[in] sense_len This parameter specifies length of the sense data
* to be returned by SATI.
* @param[in] sense_key This parameter specifies the sense key to
* be set for the user's IO request.
* @param[in] additional_sense_code This parameter specifies the
* additional sense code (ASC) key to be set for the user's
* IO request.
* @param[in] additional_sense_code_qualifier This parameter specifies
* the additional sense code qualifier (ASCQ) key to be set
* for the user's IO request.
*
* @return none
*/
static
void sati_scsi_common_fixed_sense_construct(
U8 * sense_data,
U32 sense_len,
U8 sense_key,
U8 additional_sense_code,
U8 additional_sense_code_qualifier
)
{
sati_set_sense_data_byte(sense_data, sense_len, 1, 0);
sati_set_sense_data_byte(sense_data, sense_len, 2, sense_key);
//Bytes 3, 4, 5, 6 are set in read_error_sense_construct functions
sati_set_sense_data_byte(sense_data, sense_len, 7, 0);
sati_set_sense_data_byte(sense_data, sense_len, 8, 0);
sati_set_sense_data_byte(sense_data, sense_len, 9, 0);
sati_set_sense_data_byte(sense_data, sense_len, 10, 0);
sati_set_sense_data_byte(sense_data, sense_len, 11, 0);
sati_set_sense_data_byte(sense_data, sense_len, 12, additional_sense_code);
sati_set_sense_data_byte(sense_data, sense_len, 13, additional_sense_code_qualifier);
sati_set_sense_data_byte(sense_data, sense_len, 14, 0);
sati_set_sense_data_byte(sense_data, sense_len, 15, 0x80);
sati_set_sense_data_byte(sense_data, sense_len, 16, 0);
sati_set_sense_data_byte(sense_data, sense_len, 17, 0);
}
/**
* @brief This method will construct the descriptor sense data buffer in
* the user's sense data buffer location. Additionally, it will set
* the user's SCSI status.
*
* @param[in] sequence This parameter specifies the translation sequence
* for which to construct the sense data.
* @param[in,out] scsi_io This parameter specifies the user's IO request
* for which to construct the sense data.
* @param[in] scsi_status This parameter specifies the SCSI status
* value for the user's IO request.
* @param[in] sense_key This parameter specifies the sense key to
* be set for the user's IO request.
* @param[in] additional_sense_code This parameter specifies the
* additional sense code (ASC) key to be set for the user's
* IO request.
* @param[in] additional_sense_code_qualifier This parameter specifies
* the additional sense code qualifier (ASCQ) key to be set
* for the user's IO request.
*
* @return none
*/
static
void sati_scsi_common_descriptor_sense_construct(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
U8 * sense_data,
U32 sense_len,
U8 sense_key,
U8 additional_sense_code,
U8 additional_sense_code_qualifier,
U8 * information_buff
)
{
sati_set_sense_data_byte(sense_data, sense_len, 1, sense_key);
sati_set_sense_data_byte(sense_data, sense_len, 2, additional_sense_code);
sati_set_sense_data_byte(sense_data, sense_len, 3, additional_sense_code_qualifier);
sati_set_sense_data_byte(sense_data, sense_len, 4, 0);
sati_set_sense_data_byte(sense_data, sense_len, 5, 0);
sati_set_sense_data_byte(sense_data, sense_len, 6, 0);
sati_scsi_common_descriptors_construct(scsi_io, sense_data + 8, sense_len, information_buff);
sati_set_sense_data_byte(sense_data, sense_len, 7, sati_scsi_get_descriptor_sense_data_length(sequence, scsi_io) - 8);
}
/**
* @brief This method will construct the sense data buffer in the user's
* descriptor sense data buffer location. Additionally, it will set
* the user's SCSI status. This is only used for NCQ uncorrectable
* read errors
*
* @param[in] sequence This parameter specifies the translation sequence
* for which to construct the sense data.
* @param[in,out] scsi_io This parameter specifies the user's IO request
* for which to construct the sense data.
* @param[in] ata_input_data This parameter specifies the user's ATA IO
* response from a Read Log Ext command.
* @param[in] scsi_status This parameter specifies the SCSI status
* value for the user's IO request.
* @param[in] sense_key This parameter specifies the sense key to
* be set for the user's IO request.
* @param[in] additional_sense_code This parameter specifies the
* additional sense code (ASC) key to be set for the user's
* IO request.
* @param[in] additional_sense_code_qualifier This parameter specifies
* the additional sense code qualifier (ASCQ) key to be set
* for the user's IO request.
*
* @return none
*/
static
void sati_scsi_read_ncq_error_descriptor_sense_construct(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
void * ata_input_data,
U8 scsi_status,
U8 response_code,
U8 sense_key,
U8 additional_sense_code,
U8 additional_sense_code_qualifier
)
{
U8 * sense_data;
U32 sense_len;
U8 information_buff[8] = {0};
ATA_NCQ_COMMAND_ERROR_LOG_T * ncq_log = (ATA_NCQ_COMMAND_ERROR_LOG_T *) ata_input_data;
sati_scsi_get_sense_data_buffer(sequence, scsi_io, scsi_status, &sense_data, &sense_len);
sati_set_sense_data_byte(
sense_data,
sense_len,
0,
response_code
);
information_buff[2] = ncq_log->lba_47_40;
information_buff[3] = ncq_log->lba_39_32;
information_buff[4] = ncq_log->lba_31_24;
information_buff[5] = ncq_log->lba_23_16;
information_buff[6] = ncq_log->lba_15_8;
information_buff[7] = ncq_log->lba_7_0;
sati_scsi_common_descriptor_sense_construct(
sequence,
scsi_io,
sense_data,
sense_len,
sense_key,
additional_sense_code,
additional_sense_code_qualifier,
information_buff
);
}
/**
* @brief This method will construct the sense data buffer in the user's
* sense data buffer location. Additionally, it will set the user's
* SCSI status. This is only used for NCQ uncorrectable read errors
*
* @param[in] sequence This parameter specifies the translation sequence
* for which to construct the sense data.
* @param[in,out] scsi_io This parameter specifies the user's IO request
* for which to construct the sense data.
* @param[in] ata_input_data This parameter specifies the user's ATA IO
* response from a Read Log Ext command.
* @param[in] scsi_status This parameter specifies the SCSI status
* value for the user's IO request.
* @param[in] sense_key This parameter specifies the sense key to
* be set for the user's IO request.
* @param[in] additional_sense_code This parameter specifies the
* additional sense code (ASC) key to be set for the user's
* IO request.
* @param[in] additional_sense_code_qualifier This parameter specifies
* the additional sense code qualifier (ASCQ) key to be set
* for the user's IO request.
*
* @return none
*/
static
void sati_scsi_read_ncq_error_fixed_sense_construct(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
void * ata_input_data,
U8 scsi_status,
U8 response_code,
U8 sense_key,
U8 additional_sense_code,
U8 additional_sense_code_qualifier
)
{
U8 * sense_data;
U32 sense_len;
U8 valid = TRUE;
ATA_NCQ_COMMAND_ERROR_LOG_T * ncq_log = (ATA_NCQ_COMMAND_ERROR_LOG_T *) ata_input_data;
sati_scsi_get_sense_data_buffer(sequence, scsi_io, scsi_status, &sense_data, &sense_len);
if(ncq_log->lba_39_32 > 0)
{
valid = FALSE;
}
sati_set_sense_data_byte(
sense_data,
sense_len,
0,
(valid << 7) | response_code
);
sati_set_sense_data_byte(sense_data, sense_len, 3, ncq_log->lba_31_24);
sati_set_sense_data_byte(sense_data, sense_len, 4, ncq_log->lba_23_16);
sati_set_sense_data_byte(sense_data, sense_len, 5, ncq_log->lba_15_8);
sati_set_sense_data_byte(sense_data, sense_len, 6, ncq_log->lba_7_0);
sati_scsi_common_fixed_sense_construct(
sense_data,
sense_len,
sense_key,
additional_sense_code,
additional_sense_code_qualifier
);
}
void sati_scsi_read_ncq_error_sense_construct(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
void * ata_input_data,
U8 scsi_status,
U8 sense_key,
U8 additional_sense_code,
U8 additional_sense_code_qualifier
)
{
U8 response_code;
response_code = sati_scsi_get_sense_data_response_code(sequence);
switch (response_code)
{
case SCSI_FIXED_CURRENT_RESPONSE_CODE:
case SCSI_FIXED_DEFERRED_RESPONSE_CODE:
sati_scsi_read_ncq_error_fixed_sense_construct(sequence, scsi_io, ata_input_data, scsi_status,
response_code, sense_key, additional_sense_code, additional_sense_code_qualifier);
break;
case SCSI_DESCRIPTOR_CURRENT_RESPONSE_CODE:
case SCSI_DESCRIPTOR_DEFERRED_RESPONSE_CODE:
sati_scsi_read_ncq_error_descriptor_sense_construct(sequence, scsi_io, ata_input_data, scsi_status,
response_code, sense_key, additional_sense_code, additional_sense_code_qualifier);
break;
}
sequence->is_sense_response_set = TRUE;
}
/**
* @brief This method will construct the sense data buffer in the user's
* sense data buffer location. Additionally, it will set the user's
* SCSI status. This is used for uncorrectable read errors.
*
* @param[in] sequence This parameter specifies the translation sequence
* for which to construct the sense data.
* @param[in,out] scsi_io This parameter specifies the user's IO request
* for which to construct the sense data.
* @param[in] ata_io This parameter is a pointer to the ATA IO data used
* to get the ATA register fis.
* @param[in] scsi_status This parameter specifies the SCSI status
* value for the user's IO request.
* @param[in] sense_key This parameter specifies the sense key to
* be set for the user's IO request.
* @param[in] additional_sense_code This parameter specifies the
* additional sense code (ASC) key to be set for the user's
* IO request.
* @param[in] additional_sense_code_qualifier This parameter specifies
* the additional sense code qualifier (ASCQ) key to be set
* for the user's IO request.
*
* @return none
*/
static
void sati_scsi_read_error_descriptor_sense_construct(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
void * ata_io,
U8 scsi_status,
U8 response_code,
U8 sense_key,
U8 additional_sense_code,
U8 additional_sense_code_qualifier
)
{
U8 * sense_data;
U32 sense_len;
U8 information_buff[8] = {0};
U8 * register_fis = sati_cb_get_d2h_register_fis_address(ata_io);
sati_scsi_get_sense_data_buffer(sequence, scsi_io, scsi_status, &sense_data, &sense_len);
information_buff[2] = sati_get_ata_lba_high_ext(register_fis);
information_buff[3] = sati_get_ata_lba_mid_ext(register_fis);
information_buff[4] = sati_get_ata_lba_low_ext(register_fis);
information_buff[5] = sati_get_ata_lba_high(register_fis);
information_buff[6] = sati_get_ata_lba_mid(register_fis);
information_buff[7] = sati_get_ata_lba_low(register_fis);
sati_set_sense_data_byte(
sense_data,
sense_len,
0,
SCSI_DESCRIPTOR_CURRENT_RESPONSE_CODE
);
sati_scsi_common_descriptor_sense_construct(
sequence,
scsi_io,
sense_data,
sense_len,
sense_key,
additional_sense_code,
additional_sense_code_qualifier,
information_buff
);
}
/**
* @brief This method will construct the sense data buffer in the user's
* sense data buffer location. Additionally, it will set the user's
* SCSI status. This is used for uncorrectable read errors.
*
* @param[in] sequence This parameter specifies the translation sequence
* for which to construct the sense data.
* @param[in,out] scsi_io This parameter specifies the user's IO request
* for which to construct the sense data.
* @param[in] ata_io This parameter is a pointer to the ATA IO data used
* to get the ATA register fis.
* @param[in] scsi_status This parameter specifies the SCSI status
* value for the user's IO request.
* @param[in] sense_key This parameter specifies the sense key to
* be set for the user's IO request.
* @param[in] additional_sense_code This parameter specifies the
* additional sense code (ASC) key to be set for the user's
* IO request.
* @param[in] additional_sense_code_qualifier This parameter specifies
* the additional sense code qualifier (ASCQ) key to be set
* for the user's IO request.
*
* @return none
*/
static
void sati_scsi_read_error_fixed_sense_construct(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
void * ata_io,
U8 scsi_status,
U8 response_code,
U8 sense_key,
U8 additional_sense_code,
U8 additional_sense_code_qualifier
)
{
U8 * sense_data;
U32 sense_len;
U8 valid = TRUE;
U8 * register_fis = sati_cb_get_d2h_register_fis_address(ata_io);
sati_scsi_get_sense_data_buffer(sequence, scsi_io, scsi_status, &sense_data, &sense_len);
if(sati_get_ata_lba_mid_ext(register_fis) > 0)
{
valid = FALSE;
}
sati_set_sense_data_byte(sense_data, sense_len, 3, sati_get_ata_lba_low_ext(register_fis));
sati_set_sense_data_byte(sense_data, sense_len, 4, sati_get_ata_lba_high(register_fis));
sati_set_sense_data_byte(sense_data, sense_len, 5, sati_get_ata_lba_mid(register_fis));
sati_set_sense_data_byte(sense_data, sense_len, 6, sati_get_ata_lba_low(register_fis));
sati_set_sense_data_byte(
sense_data,
sense_len,
0,
(valid << 7) | SCSI_FIXED_CURRENT_RESPONSE_CODE
);
sati_scsi_common_fixed_sense_construct(
sense_data,
sense_len,
sense_key,
additional_sense_code,
additional_sense_code_qualifier
);
}
void sati_scsi_read_error_sense_construct(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
void * ata_input_data,
U8 scsi_status,
U8 sense_key,
U8 additional_sense_code,
U8 additional_sense_code_qualifier
)
{
U8 response_code;
response_code = sati_scsi_get_sense_data_response_code(sequence);
switch (response_code)
{
case SCSI_FIXED_CURRENT_RESPONSE_CODE:
case SCSI_FIXED_DEFERRED_RESPONSE_CODE:
sati_scsi_read_error_fixed_sense_construct(sequence, scsi_io, ata_input_data, scsi_status,
response_code, sense_key, additional_sense_code, additional_sense_code_qualifier);
break;
case SCSI_DESCRIPTOR_CURRENT_RESPONSE_CODE:
case SCSI_DESCRIPTOR_DEFERRED_RESPONSE_CODE:
sati_scsi_read_error_descriptor_sense_construct(sequence, scsi_io, ata_input_data, scsi_status,
response_code, sense_key, additional_sense_code, additional_sense_code_qualifier);
break;
}
sequence->is_sense_response_set = TRUE;
}
/*
* @brief This method builds the scsi response data for a sata task management
* request.
*
* @param[in] sequence This parameter specifies the translation sequence
* for which to construct the sense data.
* @param[in,out] scsi_io This parameter specifies the user's IO request
* for which to construct the sense data.
* @param[in] response_data The response status for the task management
* request.
*/
void sati_scsi_response_data_construct(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
U8 response_data
)
{
#ifdef SATI_TRANSPORT_SUPPORTS_SAS
SCI_SSP_RESPONSE_IU_T * rsp_iu = (SCI_SSP_RESPONSE_IU_T*)
sati_cb_get_response_iu_address(scsi_io);
rsp_iu->data_present = 0x01;
rsp_iu->response_data_length[3] = sizeof(U32);
rsp_iu->status = 0;
((U8 *)rsp_iu->data)[3] = response_data;
#else
#endif // SATI_TRANSPORT_SUPPORTS_SAS
}
/**
* @brief This method checks to make sure that the translation isn't
* exceeding the allocation length specified in the CDB prior
* to retrieving the payload data byte from the user's buffer.
*
* @param[in,out] scsi_io This parameter specifies the user's IO request
* for which to set the user payload data byte.
* @param[in] byte_offset This parameter specifies the offset into
* the user's payload buffer at which to write the supplied
* value.
* @param[in] value This parameter specifies the memory location into
* which to read the value from the user's payload buffer.
*
* @return none
*/
void sati_get_data_byte(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
U32 byte_offset,
U8 * value
)
{
if (byte_offset < sequence->allocation_length)
sati_cb_get_data_byte(scsi_io, byte_offset, value);
}
/**
* @brief This method checks to make sure that the translation isn't
* exceeding the allocation length specified in the CDB while
* translating payload data into the user's buffer.
*
* @param[in] sequence This parameter specifies the translation sequence
* for which to set the user payload data byte.
* @param[in,out] scsi_io This parameter specifies the user's IO request
* for which to set the user payload data byte.
* @param[in] byte_offset This parameter specifies the offset into
* the user's payload buffer at which to write the supplied
* value.
* @param[in] value This parameter specifies the new value to be
* written out into the user's payload buffer.
*
* @return none
*/
void sati_set_data_byte(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
U32 byte_offset,
U8 value
)
{
if (byte_offset < sequence->allocation_length)
{
sequence->number_data_bytes_set++;
sati_cb_set_data_byte(scsi_io, byte_offset, value);
}
}
/**
* @brief This method checks to make sure that the translation isn't
* exceeding the allocation length specified in the CDB while
* translating payload data into the user's buffer.
*
* @param[in] sequence This parameter specifies the translation sequence
* for which to set the user payload data dword.
* @param[in,out] scsi_io This parameter specifies the user's IO request
* for which to set the user payload data dword.
* @param[in] byte_offset This parameter specifies the offset into
* the user's payload buffer at which to write the supplied
* value.
* @param[in] value This parameter specifies the new value to be
* written out into the user's payload buffer.
*
* @return none
*/
void sati_set_data_dword(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io,
U32 byte_offset,
U32 value
)
{
/// @todo Check to ensure that the bytes appear correctly (SAS Address).
sati_set_data_byte(sequence, scsi_io, byte_offset, (U8)value & 0xFF);
byte_offset++;
sati_set_data_byte(sequence, scsi_io, byte_offset, (U8)(value >> 8) & 0xFF);
byte_offset++;
sati_set_data_byte(sequence, scsi_io, byte_offset, (U8)(value >> 16) & 0xFF);
byte_offset++;
sati_set_data_byte(sequence, scsi_io, byte_offset, (U8)(value >> 24) & 0xFF);
}
/**
* @brief This method will construct the ATA flush cache command.
*
* @pre It is expected that the user has properly set the current contents
* of the register FIS to 0.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the FLUSH CACHE command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
*
* @return none.
*/
void sati_ata_flush_cache_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_FLUSH_CACHE);
sati_ata_non_data_command(ata_io, sequence);
}
/**
* @brief This method will construct the ATA standby immediate command.
*
* @pre It is expected that the user has properly set the current contents
* of the register FIS to 0.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the STANDBY IMMEDIATE command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
*
* @param[in] count This parameter specifies the time period programmed
* into the Standby Timer. See ATA8 spec for more details
* @return none.
*/
void sati_ata_standby_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence,
U16 count
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_STANDBY);
sati_set_ata_sector_count(register_fis, count);
sequence->device->ata_standby_timer = (U8) count;
sati_ata_non_data_command(ata_io, sequence);
}
/**
* @brief This method will construct the ATA standby immediate command.
*
* @pre It is expected that the user has properly set the current contents
* of the register FIS to 0.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the STANDBY IMMEDIATE command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
*
* @return none.
*/
void sati_ata_standby_immediate_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_STANDBY_IMMED);
sati_ata_non_data_command(ata_io, sequence);
}
/**
* @brief This method will construct the ATA idle immediate command.
*
* @pre It is expected that the user has properly set the current contents
* of the register FIS to 0.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the IDLE IMMEDIATE command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
*
* @return none.
*/
void sati_ata_idle_immediate_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_IDLE_IMMED);
sati_set_ata_features(register_fis, 0x00);
sati_set_ata_sector_count(register_fis, 0x00);
sati_set_ata_lba_high(register_fis, 0x00);
sati_set_ata_lba_mid(register_fis, 0x00);
sati_set_ata_lba_low(register_fis, 0x00);
sati_ata_non_data_command(ata_io, sequence);
}
/**
* @brief This method will construct the ATA idle immediate command
for Unload Features.
*
* @pre It is expected that the user has properly set the current contents
* of the register FIS to 0.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the IDLE IMMEDIATE command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
*
* @return none.
*/
void sati_ata_idle_immediate_unload_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_IDLE_IMMED);
sati_set_ata_features(register_fis, 0x44);
sati_set_ata_sector_count(register_fis, 0x00);
sati_set_ata_lba_high(register_fis, 0x55);
sati_set_ata_lba_mid(register_fis, 0x4E);
sati_set_ata_lba_low(register_fis, 0x4C);
sati_ata_non_data_command(ata_io, sequence);
}
/**
* @brief This method will construct the ATA IDLE command.\
*
* @pre It is expected that the user has properly set the current contents
* of the register FIS to 0.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the ATA IDLE command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
*
* @return none.
*/
void sati_ata_idle_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_IDLE);
sati_set_ata_features(register_fis, 0x00);
sati_set_ata_sector_count(register_fis, 0x00);
sequence->device->ata_standby_timer = 0x00;
sati_set_ata_lba_high(register_fis, 0x00);
sati_set_ata_lba_mid(register_fis, 0x00);
sati_set_ata_lba_low(register_fis, 0x00);
sati_ata_non_data_command(ata_io, sequence);
}
/**
* @brief This method will construct the ATA MEDIA EJECT command.
*
* @pre It is expected that the user has properly set the current contents
* of the register FIS to 0.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the MEDIA EJCT command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
*
* @return none.
*/
void sati_ata_media_eject_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_MEDIA_EJECT);
sati_ata_non_data_command(ata_io, sequence);
}
/**
* @brief This method will construct the ATA read verify sector(s) command.
*
* @pre It is expected that the user has properly set the current contents
* of the register FIS to 0.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the ATA READ VERIFY SECTOR(S) command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
*
* @return none.
*/
void sati_ata_read_verify_sectors_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_READ_VERIFY_SECTORS);
//According to SAT-2 (v7) 9.11.3
sati_set_ata_sector_count(register_fis, 1);
//According to SAT-2 (v7) 9.11.3, set LBA to a value between zero and the
//maximum LBA supported by the ATA device in its current configuration.
//From the unit test, it seems we have to set LBA to a non-zero value.
sati_set_ata_lba_low(register_fis, 1);
sati_ata_non_data_command(ata_io, sequence);
}
/**
* @brief This method will construct a ATA SMART Return Status command so the
* status of the ATA device can be returned. The status of the SMART
* threshold will be returned by this command.
*
* @return N/A
*
*/
void sati_ata_smart_return_status_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence,
U8 feature_value
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_SMART);
sati_set_ata_features(register_fis, feature_value);
sati_set_ata_lba_high(register_fis, 0xC2);
sati_set_ata_lba_mid(register_fis, 0x4F);
sati_ata_non_data_command(ata_io, sequence);
}
/**
* @brief This method will construct a ATA SMART Return Status command so the
* status of the ATA device can be returned. The status of the SMART
* threshold will be returned by this command.
*
* @return N/A
*
*/
void sati_ata_smart_read_log_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence,
U8 log_address,
U32 transfer_length
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_SMART);
sati_set_ata_features(register_fis, ATA_SMART_SUB_CMD_READ_LOG);
sati_set_ata_lba_high(register_fis, 0xC2);
sati_set_ata_lba_mid(register_fis, 0x4F);
sati_set_ata_lba_low(register_fis, log_address);
sequence->data_direction = SATI_DATA_DIRECTION_IN;
sequence->protocol = SAT_PROTOCOL_PIO_DATA_IN;
sequence->ata_transfer_length = transfer_length;
}
/**
* @brief This method will construct a Write Uncorrectable ATA command that
* will write one sector with a psuedo or flagged error. The type of
* error is specified by the feature value.
*
* @return N/A
*
*/
void sati_ata_write_uncorrectable_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence,
U8 feature_value
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_WRITE_UNCORRECTABLE);
sati_set_ata_features(register_fis, feature_value);
sati_set_ata_sector_count(register_fis, 0x0001);
sati_ata_non_data_command(ata_io, sequence);
}
/**
* @brief This method will construct a Mode Select ATA SET FEATURES command
* For example, Enable/Disable Write Cache, Enable/Disable Read Ahead
*
* @return N/A
*
*/
void sati_ata_set_features_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence,
U8 feature
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_SET_FEATURES);
sati_set_ata_features(register_fis, feature);
sati_ata_non_data_command(ata_io, sequence);
}
/**
* @brief This method will construct a Read Log ext ATA command that
* will request a log page based on the log_address.
*
* @param[in] log_address This parameter specifies the log page
* to be returned from Read Log Ext.
*
* @param[in] transfer_length This parameter specifies the size of the
* log page response returned by Read Log Ext.
*
* @return N/A
*
*/
void sati_ata_read_log_ext_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence,
U8 log_address,
U32 transfer_length
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_READ_LOG_EXT);
sati_set_ata_lba_low(register_fis, log_address);
sati_set_ata_lba_mid(register_fis, 0x00);
sati_set_ata_lba_mid_exp(register_fis, 0x00);
sati_set_ata_sector_count(register_fis, 0x01);
sequence->data_direction = SATI_DATA_DIRECTION_IN;
sequence->protocol = SAT_PROTOCOL_PIO_DATA_IN;
sequence->ata_transfer_length = transfer_length;
}
/**
* @brief This method will check if the ATA device is in the stopped power
* state. This is used for all medium access commands for SAT
* compliance. See SAT2r07 section 9.11.1
*
* @param[in] sequence - SATI sequence data with the device state.
*
* @return TRUE If device is stopped
*
*/
BOOL sati_device_state_stopped(
SATI_TRANSLATOR_SEQUENCE_T * sequence,
void * scsi_io
)
{
if(sequence->device->state == SATI_DEVICE_STATE_STOPPED)
{
sati_scsi_sense_data_construct(
sequence,
scsi_io,
SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_NOT_READY ,
SCSI_ASC_INITIALIZING_COMMAND_REQUIRED,
SCSI_ASCQ_INITIALIZING_COMMAND_REQUIRED
);
return TRUE;
}
return FALSE;
}
/**
* @brief This method will construct a ATA Read Buffer command that
* will request PIO in data containing the target device's buffer.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the ATA READ VERIFY SECTOR(S) command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
* @return N/A
*
*/
void sati_ata_read_buffer_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_READ_BUFFER);
sequence->data_direction = SATI_DATA_DIRECTION_IN;
sequence->protocol = SAT_PROTOCOL_PIO_DATA_IN;
sequence->ata_transfer_length = 512;
}
/**
* @brief This method will construct a ATA Write Buffer command that
* will send PIO out data to the target device's buffer.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the ATA READ VERIFY SECTOR(S) command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
* @return N/A
*
*/
void sati_ata_write_buffer_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
sati_set_ata_command(register_fis, ATA_WRITE_BUFFER);
sequence->data_direction = SATI_DATA_DIRECTION_OUT;
sequence->protocol = SAT_PROTOCOL_PIO_DATA_OUT;
sequence->ata_transfer_length = 512;
}
/**
* @brief This method will construct a ATA Download Microcode command that
* will send PIO out data containing new firmware for the target drive.
*
* @param[out] ata_io This parameter specifies the ATA IO request structure
* for which to build the ATA READ VERIFY SECTOR(S) command.
* @param[in] sequence This parameter specifies the translator sequence
* for which the command is being constructed.
* @param[in] mode This parameter specifies the download microcode sub-command
* code.
* @param[in] allocation_length This parameter specifies the number of bytes
* being sent to the target device.
* @param[in] buffer_offset This parameter specifies the buffer offset for the
* data sent to the target device.
*
* @return N/A
*
*/
void sati_ata_download_microcode_construct(
void * ata_io,
SATI_TRANSLATOR_SEQUENCE_T * sequence,
U8 mode,
U32 allocation_length,
U32 buffer_offset
)
{
U8 * register_fis = sati_cb_get_h2d_register_fis_address(ata_io);
U32 allocation_blocks = allocation_length >> 9;
U32 buffer_blkoffset = buffer_offset >> 9;
sati_set_ata_command(register_fis, ATA_DOWNLOAD_MICROCODE);
sati_set_ata_features(register_fis, mode);
if(mode == ATA_MICROCODE_DOWNLOAD_SAVE)
{
sati_set_ata_sector_count(register_fis, (U8) (allocation_length >> 9));
sati_set_ata_lba_low(register_fis, (U8) (allocation_length >> 17));
}
else //mode == 0x03
{
sati_set_ata_sector_count(register_fis, (U8) (allocation_blocks & 0xff));
sati_set_ata_lba_low(register_fis, (U8) ((allocation_blocks >> 8) & 0xff));
sati_set_ata_lba_mid(register_fis, (U8) (buffer_blkoffset & 0xff));
sati_set_ata_lba_high(register_fis, (U8) ((buffer_blkoffset >> 8) & 0xff));
}
if((allocation_length == 0) && (buffer_offset == 0))
{
sati_ata_non_data_command(ata_io, sequence);
}
else
{
sequence->data_direction = SATI_DATA_DIRECTION_OUT;
sequence->protocol = SAT_PROTOCOL_PIO_DATA_OUT;
sequence->ata_transfer_length = allocation_length;
}
}