mirror of
https://github.com/akuker/RASCSI.git
synced 2024-11-25 05:32:20 +00:00
a6a8cadf21
* Revert "Don't ResizeCache on sector change if no filename is defined (#1438)" This reverts commitdd9a3296d4. * Revert "Add ModeSense page 0x25 (DEC special function control page) (#1412)" This reverts commit1121b8d9d6. * Revert "DiskCache needs a size" This reverts commit7cc8df271c. * Revert "Honor sector size change via ModeSelect6 in scsicd (#1406)" This reverts commitb7f65d33e2. * Revert "Multiple fixes for ModeSelect (#1405)" This reverts commitad5eae93e7.
107 lines
2.6 KiB
C++
107 lines
2.6 KiB
C++
//---------------------------------------------------------------------------
|
||
//
|
||
// SCSI Target Emulator PiSCSI
|
||
// for Raspberry Pi
|
||
//
|
||
// Copyright (C) 2001-2006 ＰＩ．(ytanaka@ipc-tokai.or.jp)
|
||
// Copyright (C) 2014-2020 GIMONS
|
||
// Copyright (C) 2022-2023 Uwe Seimet
|
||
// Copyright (C) akuker
|
||
//
|
||
// Licensed under the BSD 3-Clause License.
|
||
// See LICENSE file in the project root folder.
|
||
//
|
||
//---------------------------------------------------------------------------
|
||
|
||
#include "shared/piscsi_exceptions.h"
|
||
#include "scsi_command_util.h"
|
||
#include "scsihd.h"
|
||
|
||
using namespace scsi_command_util;
|
||
|
||
SCSIHD::SCSIHD(int lun, bool removable, scsi_defs::scsi_level level, const unordered_set<uint32_t>& sector_sizes)
|
||
: Disk(removable ? SCRM : SCHD, lun, sector_sizes), scsi_level(level)
|
||
{
|
||
SetProtectable(true);
|
||
SetRemovable(removable);
|
||
SetLockable(removable);
|
||
|
||
SupportsSaveParameters(true);
|
||
}
|
||
|
||
string SCSIHD::GetProductData() const
|
||
{
|
||
uint64_t capacity = GetBlockCount() * GetSectorSizeInBytes();
|
||
string unit;
|
||
|
||
// 10,000 MiB and more
|
||
if (capacity >= 10'485'760'000) {
|
||
capacity /= 1'073'741'824;
|
||
unit = "GiB";
|
||
}
|
||
// 1 MiB and more
|
||
else if (capacity >= 1'048'576) {
|
||
capacity /= 1'048'576;
|
||
unit = "MiB";
|
||
}
|
||
else {
|
||
capacity /= 1024;
|
||
unit = "KiB";
|
||
}
|
||
|
||
return DEFAULT_PRODUCT + " " + to_string(capacity) + " " + unit;
|
||
}
|
||
|
||
void SCSIHD::FinalizeSetup(off_t image_offset)
|
||
{
|
||
Disk::ValidateFile();
|
||
|
||
// For non-removable media drives set the default product name based on the drive capacity
|
||
if (!IsRemovable()) {
|
||
SetProduct(GetProductData(), false);
|
||
}
|
||
|
||
SetUpCache(image_offset);
|
||
}
|
||
|
||
void SCSIHD::Open()
|
||
{
|
||
assert(!IsReady());
|
||
|
||
const off_t size = GetFileSize();
|
||
|
||
// Sector size (default 512 bytes) and number of blocks
|
||
SetSectorSizeInBytes(GetConfiguredSectorSize() ? GetConfiguredSectorSize() : 512);
|
||
SetBlockCount(static_cast<uint32_t>(size >> GetSectorSizeShiftCount()));
|
||
|
||
FinalizeSetup(0);
|
||
}
|
||
|
||
vector<uint8_t> SCSIHD::InquiryInternal() const
|
||
{
|
||
return HandleInquiry(device_type::direct_access, scsi_level, IsRemovable());
|
||
}
|
||
|
||
void SCSIHD::ModeSelect(scsi_command cmd, cdb_t cdb, span<const uint8_t> buf, int length) const
|
||
{
|
||
if (const string result = scsi_command_util::ModeSelect(cmd, cdb, buf, length, 1 << GetSectorSizeShiftCount());
|
||
!result.empty()) {
|
||
LogWarn(result);
|
||
}
|
||
}
|
||
|
||
void SCSIHD::AddFormatPage(map<int, vector<byte>>& pages, bool changeable) const
|
||
{
|
||
Disk::AddFormatPage(pages, changeable);
|
||
|
||
EnrichFormatPage(pages, changeable, 1 << GetSectorSizeShiftCount());
|
||
}
|
||
|
||
void SCSIHD::AddVendorPage(map<int, vector<byte>>& pages, int page, bool changeable) const
|
||
{
|
||
// Page code 48
|
||
if (page == 0x30 || page == 0x3f) {
|
||
AddAppleVendorModePage(pages, changeable);
|
||
}
|
||
}
|