Annotation of embedaddon/smartmontools/dev_ata_cmd_set.cpp, revision 1.1.1.1
1.1 misho 1: /*
2: * dev_ata_cmd_set.cpp
3: *
4: * Home page of code is: http://smartmontools.sourceforge.net
5: *
6: * Copyright (C) 2008 Christian Franke <smartmontools-support@lists.sourceforge.net>
7: *
8: * This program is free software; you can redistribute it and/or modify
9: * it under the terms of the GNU General Public License as published by
10: * the Free Software Foundation; either version 2, or (at your option)
11: * any later version.
12: *
13: * You should have received a copy of the GNU General Public License
14: * (for example COPYING); If not, see <http://www.gnu.org/licenses/>.
15: *
16: */
17:
18: #include "config.h"
19: #include "int64.h"
20: #include "atacmds.h"
21: #include "dev_ata_cmd_set.h"
22:
23: #include <errno.h>
24:
25: 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 $"
26: DEV_ATA_CMD_SET_H_CVSID;
27:
28:
29: /////////////////////////////////////////////////////////////////////////////
30: // ata_device_with_command_set
31:
32: // Adapter routine to implement new ATA pass through with old interface
33:
34: bool ata_device_with_command_set::ata_pass_through(const ata_cmd_in & in, ata_cmd_out & out)
35: {
36: if (!ata_cmd_is_ok(in, true)) // data_out_support
37: return false;
38:
39: smart_command_set command = (smart_command_set)-1;
40: int select = 0;
41: char * data = (char *)in.buffer;
42: char buffer[512];
43: switch (in.in_regs.command) {
44: case ATA_IDENTIFY_DEVICE:
45: command = IDENTIFY;
46: break;
47: case ATA_IDENTIFY_PACKET_DEVICE:
48: command = PIDENTIFY;
49: break;
50: case ATA_CHECK_POWER_MODE:
51: command = CHECK_POWER_MODE;
52: data = buffer; data[0] = 0;
53: break;
54: case ATA_SMART_CMD:
55: switch (in.in_regs.features) {
56: case ATA_SMART_ENABLE:
57: command = ENABLE;
58: break;
59: case ATA_SMART_READ_VALUES:
60: command = READ_VALUES;
61: break;
62: case ATA_SMART_READ_THRESHOLDS:
63: command = READ_THRESHOLDS;
64: break;
65: case ATA_SMART_READ_LOG_SECTOR:
66: command = READ_LOG;
67: select = in.in_regs.lba_low;
68: break;
69: case ATA_SMART_WRITE_LOG_SECTOR:
70: command = WRITE_LOG;
71: select = in.in_regs.lba_low;
72: break;
73: case ATA_SMART_DISABLE:
74: command = DISABLE;
75: break;
76: case ATA_SMART_STATUS:
77: command = (in.out_needed.lba_high ? STATUS_CHECK : STATUS);
78: break;
79: case ATA_SMART_AUTO_OFFLINE:
80: command = AUTO_OFFLINE;
81: select = in.in_regs.sector_count;
82: break;
83: case ATA_SMART_AUTOSAVE:
84: command = AUTOSAVE;
85: select = in.in_regs.sector_count;
86: break;
87: case ATA_SMART_IMMEDIATE_OFFLINE:
88: command = IMMEDIATE_OFFLINE;
89: select = in.in_regs.lba_low;
90: break;
91: default:
92: return set_err(ENOSYS, "Unknown SMART command");
93: }
94: break;
95: default:
96: return set_err(ENOSYS, "Non-SMART commands not implemented");
97: }
98:
99: clear_err(); errno = 0;
100: int rc = ata_command_interface(command, select, data);
101: if (rc < 0) {
102: if (!get_errno())
103: set_err(errno);
104: return false;
105: }
106:
107: switch (command) {
108: case CHECK_POWER_MODE:
109: out.out_regs.sector_count = data[0];
110: break;
111: case STATUS_CHECK:
112: switch (rc) {
113: case 0: // Good SMART status
114: out.out_regs.lba_high = 0xc2; out.out_regs.lba_mid = 0x4f;
115: break;
116: case 1: // Bad SMART status
117: out.out_regs.lba_high = 0x2c; out.out_regs.lba_mid = 0xf4;
118: break;
119: }
120: break;
121: default:
122: break;
123: }
124: return true;
125: }
126:
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