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127 lines
3.5 KiB
C++
127 lines
3.5 KiB
C++
/*
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* dev_ata_cmd_set.cpp
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*
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* Home page of code is: http://smartmontools.sourceforge.net
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*
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* Copyright (C) 2008 Christian Franke <smartmontools-support@lists.sourceforge.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* You should have received a copy of the GNU General Public License
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* (for example COPYING); If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include "int64.h"
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#include "atacmds.h"
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#include "dev_ata_cmd_set.h"
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#include <errno.h>
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const char * dev_ata_cmd_set_cpp_cvsid = "$Id: dev_ata_cmd_set.cpp,v 1.4 2008/10/24 21:49:23 manfred99 Exp $"
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DEV_ATA_CMD_SET_H_CVSID;
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/////////////////////////////////////////////////////////////////////////////
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// ata_device_with_command_set
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// Adapter routine to implement new ATA pass through with old interface
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bool ata_device_with_command_set::ata_pass_through(const ata_cmd_in & in, ata_cmd_out & out)
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{
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if (!ata_cmd_is_ok(in, true)) // data_out_support
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return false;
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smart_command_set command = (smart_command_set)-1;
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int select = 0;
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char * data = (char *)in.buffer;
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char buffer[512];
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switch (in.in_regs.command) {
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case ATA_IDENTIFY_DEVICE:
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command = IDENTIFY;
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break;
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case ATA_IDENTIFY_PACKET_DEVICE:
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command = PIDENTIFY;
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break;
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case ATA_CHECK_POWER_MODE:
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command = CHECK_POWER_MODE;
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data = buffer; data[0] = 0;
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break;
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case ATA_SMART_CMD:
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switch (in.in_regs.features) {
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case ATA_SMART_ENABLE:
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command = ENABLE;
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break;
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case ATA_SMART_READ_VALUES:
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command = READ_VALUES;
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break;
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case ATA_SMART_READ_THRESHOLDS:
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command = READ_THRESHOLDS;
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break;
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case ATA_SMART_READ_LOG_SECTOR:
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command = READ_LOG;
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select = in.in_regs.lba_low;
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break;
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case ATA_SMART_WRITE_LOG_SECTOR:
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command = WRITE_LOG;
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select = in.in_regs.lba_low;
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break;
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case ATA_SMART_DISABLE:
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command = DISABLE;
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break;
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case ATA_SMART_STATUS:
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command = (in.out_needed.lba_high ? STATUS_CHECK : STATUS);
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break;
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case ATA_SMART_AUTO_OFFLINE:
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command = AUTO_OFFLINE;
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select = in.in_regs.sector_count;
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break;
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case ATA_SMART_AUTOSAVE:
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command = AUTOSAVE;
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select = in.in_regs.sector_count;
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break;
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case ATA_SMART_IMMEDIATE_OFFLINE:
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command = IMMEDIATE_OFFLINE;
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select = in.in_regs.lba_low;
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break;
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default:
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return set_err(ENOSYS, "Unknown SMART command");
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}
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break;
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default:
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return set_err(ENOSYS, "Non-SMART commands not implemented");
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}
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clear_err(); errno = 0;
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int rc = ata_command_interface(command, select, data);
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if (rc < 0) {
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if (!get_errno())
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set_err(errno);
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return false;
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}
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switch (command) {
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case CHECK_POWER_MODE:
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out.out_regs.sector_count = data[0];
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break;
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case STATUS_CHECK:
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switch (rc) {
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case 0: // Good SMART status
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out.out_regs.lba_high = 0xc2; out.out_regs.lba_mid = 0x4f;
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break;
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case 1: // Bad SMART status
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out.out_regs.lba_high = 0x2c; out.out_regs.lba_mid = 0xf4;
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break;
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}
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break;
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default:
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break;
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}
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return true;
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}
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