[Kernel/VFS] Cleanup info query/set+sector size.
[VFS] Device now exposes name, attributes, component name max length.
[VFS] Fix STFS device to return 0x200 sector size. XCTD compression
userland code appears to always expect a sector size of 0x200.
[Kernel] Move X_FILE_*_INFORMATION structs to new files.
[Kernel] Move NtQueryInformationFile, NtSetInformationFile,
NtQueryVolumeInformationFile to new file.
[Kernel] Cleanup implementation of NtQueryInformationFile,
NetSetInformationFile, NtQueryVolumeInformationFile.
[Kernel] Properly validate arguments to NtQueryInformationFile,
NetSetInformationFile, NtQueryVolumeInformationFile.
[Kernel] Properly implement query of XFileFsVolumeInformation.
[Kernel] Properly implement query of XFileFsSizeInformation.
[Kernel] Properly implement query of XFileFsAttributeInformation.
This commit is contained in:
@@ -11,6 +11,7 @@
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#include "xenia/base/memory.h"
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#include "xenia/base/mutex.h"
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#include "xenia/cpu/processor.h"
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#include "xenia/kernel/info/file.h"
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#include "xenia/kernel/kernel_state.h"
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#include "xenia/kernel/util/shim_utils.h"
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#include "xenia/kernel/xboxkrnl/xboxkrnl_private.h"
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@@ -26,37 +27,6 @@ namespace xe {
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namespace kernel {
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namespace xboxkrnl {
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// https://msdn.microsoft.com/en-us/library/windows/hardware/ff540287.aspx
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struct X_FILE_FS_VOLUME_INFORMATION {
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// FILE_FS_VOLUME_INFORMATION
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xe::be<uint64_t> creation_time;
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xe::be<uint32_t> serial_number;
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xe::be<uint32_t> label_length;
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xe::be<uint32_t> supports_objects;
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char label[1];
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};
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static_assert_size(X_FILE_FS_VOLUME_INFORMATION, 24);
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// https://msdn.microsoft.com/en-us/library/windows/hardware/ff540282.aspx
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struct X_FILE_FS_SIZE_INFORMATION {
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// FILE_FS_SIZE_INFORMATION
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xe::be<uint64_t> total_allocation_units;
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xe::be<uint64_t> available_allocation_units;
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xe::be<uint32_t> sectors_per_allocation_unit;
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xe::be<uint32_t> bytes_per_sector;
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};
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static_assert_size(X_FILE_FS_SIZE_INFORMATION, 24);
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// https://msdn.microsoft.com/en-us/library/windows/hardware/ff540251(v=vs.85).aspx
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struct X_FILE_FS_ATTRIBUTE_INFORMATION {
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// FILE_FS_ATTRIBUTE_INFORMATION
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xe::be<uint32_t> attributes;
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xe::be<int32_t> maximum_component_name_length;
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xe::be<uint32_t> fs_name_length;
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char fs_name[1];
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};
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static_assert_size(X_FILE_FS_ATTRIBUTE_INFORMATION, 16);
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struct CreateOptions {
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// https://processhacker.sourceforge.io/doc/ntioapi_8h.html
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static const uint32_t FILE_DIRECTORY_FILE = 0x00000001;
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@@ -355,207 +325,6 @@ dword_result_t NtRemoveIoCompletion(
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}
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DECLARE_XBOXKRNL_EXPORT1(NtRemoveIoCompletion, kFileSystem, kImplemented);
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dword_result_t NtSetInformationFile(
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dword_t file_handle, pointer_t<X_IO_STATUS_BLOCK> io_status_block,
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lpvoid_t file_info, dword_t length, dword_t file_info_class) {
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X_STATUS result = X_STATUS_SUCCESS;
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uint32_t info = 0;
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// Grab file.
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auto file = kernel_state()->object_table()->LookupObject<XFile>(file_handle);
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if (!file) {
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result = X_STATUS_INVALID_HANDLE;
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}
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if (XSUCCEEDED(result)) {
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switch (file_info_class) {
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case XFileDispositionInformation: {
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// Used to set deletion flag. Which we don't support. Probably?
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info = 0;
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bool delete_on_close =
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(xe::load_and_swap<uint8_t>(file_info)) ? true : false;
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XELOGW("NtSetInformationFile ignoring delete on close: {}",
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delete_on_close);
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break;
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}
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case XFilePositionInformation:
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// struct FILE_POSITION_INFORMATION {
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// LARGE_INTEGER CurrentByteOffset;
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// };
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assert_true(length == 8);
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info = 8;
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file->set_position(xe::load_and_swap<uint64_t>(file_info));
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break;
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case XFileAllocationInformation:
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assert_true(length == 8);
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info = 8;
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XELOGW("NtSetInformationFile ignoring alloc");
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break;
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case XFileEndOfFileInformation: {
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assert_true(length == 8);
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auto eof = xe::load_and_swap<uint64_t>(file_info);
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result = file->SetLength(eof);
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// Update the files vfs::Entry information
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file->entry()->update();
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break;
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}
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case XFileCompletionInformation: {
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// Info contains IO Completion handle and completion key
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assert_true(length == 8);
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auto handle = xe::load_and_swap<uint32_t>(file_info + 0x0);
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auto key = xe::load_and_swap<uint32_t>(file_info + 0x4);
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auto port =
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kernel_state()->object_table()->LookupObject<XIOCompletion>(handle);
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if (!port) {
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result = X_STATUS_INVALID_HANDLE;
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break;
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}
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file->RegisterIOCompletionPort(key, port);
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break;
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}
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default:
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// Unsupported, for now.
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assert_always();
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info = 0;
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break;
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}
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}
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if (io_status_block) {
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io_status_block->status = result;
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io_status_block->information = info;
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}
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return result;
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}
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DECLARE_XBOXKRNL_EXPORT2(NtSetInformationFile, kFileSystem, kImplemented,
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kHighFrequency);
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struct X_IO_STATUS_BLOCK {
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union {
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xe::be<uint32_t> status;
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xe::be<uint32_t> pointer;
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};
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xe::be<uint32_t> information;
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};
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dword_result_t NtQueryInformationFile(
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dword_t file_handle, pointer_t<X_IO_STATUS_BLOCK> io_status_block_ptr,
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lpvoid_t file_info_ptr, dword_t length, dword_t file_info_class) {
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X_STATUS result = X_STATUS_SUCCESS;
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uint32_t info = 0;
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// Grab file.
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auto file = kernel_state()->object_table()->LookupObject<XFile>(file_handle);
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if (file) {
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switch (file_info_class) {
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case XFileInternalInformation:
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// Internal unique file pointer. Not sure why anyone would want this.
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assert_true(length == 8);
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info = 8;
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// TODO(benvanik): use pointer to fs:: entry?
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xe::store_and_swap<uint64_t>(file_info_ptr,
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xe::memory::hash_combine(0, file->path()));
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break;
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case XFilePositionInformation:
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// struct FILE_POSITION_INFORMATION {
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// LARGE_INTEGER CurrentByteOffset;
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// };
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assert_true(length == 8);
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info = 8;
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xe::store_and_swap<uint64_t>(file_info_ptr, file->position());
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break;
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case XFileNetworkOpenInformation: {
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// struct FILE_NETWORK_OPEN_INFORMATION {
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// LARGE_INTEGER CreationTime;
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// LARGE_INTEGER LastAccessTime;
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// LARGE_INTEGER LastWriteTime;
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// LARGE_INTEGER ChangeTime;
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// LARGE_INTEGER AllocationSize;
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// LARGE_INTEGER EndOfFile;
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// ULONG FileAttributes;
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// ULONG Unknown;
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// };
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assert_true(length == 56);
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// Make sure we're working with up-to-date information, just in case the
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// file size has changed via something other than NtSetInfoFile
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// (eg. seems NtWriteFile might extend the file in some cases)
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file->entry()->update();
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auto file_info = file_info_ptr.as<X_FILE_NETWORK_OPEN_INFORMATION*>();
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file_info->creation_time = file->entry()->create_timestamp();
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file_info->last_access_time = file->entry()->access_timestamp();
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file_info->last_write_time = file->entry()->write_timestamp();
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file_info->change_time = file->entry()->write_timestamp();
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file_info->allocation_size = file->entry()->allocation_size();
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file_info->end_of_file = file->entry()->size();
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file_info->attributes = file->entry()->attributes();
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info = 56;
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break;
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}
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case XFileXctdCompressionInformation: {
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assert_true(length == 4);
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XELOGE(
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"NtQueryInformationFile(XFileXctdCompressionInformation) "
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"unimplemented");
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// This is wrong and puts files into wrong states for games that use
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// XctdDecompression.
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/*
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uint32_t magic;
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uint32_t bytes_read;
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uint64_t cur_pos = file->position();
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file->set_position(0);
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// FIXME(Triang3l): For now, XFile can be read only to guest buffers -
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// this line won't work, implement reading to host buffers if needed.
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result = file->Read(&magic, sizeof(magic), 0, &bytes_read);
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if (XSUCCEEDED(result)) {
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if (bytes_read == sizeof(magic)) {
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info = 4;
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*file_info_ptr.as<xe::be<uint32_t>*>() =
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magic == xe::byte_swap(0x0FF512ED) ? 1 : 0;
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} else {
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result = X_STATUS_UNSUCCESSFUL;
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}
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}
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file->set_position(cur_pos);
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info = 4;
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*/
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xe::store_and_swap<uint32_t>(file_info_ptr, 0);
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result = X_STATUS_UNSUCCESSFUL;
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info = 0;
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} break;
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case XFileSectorInformation:
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// TODO(benvanik): return sector this file's on.
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assert_true(length == 4);
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XELOGE("NtQueryInformationFile(XFileSectorInformation) unimplemented");
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result = X_STATUS_UNSUCCESSFUL;
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info = 0;
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break;
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default:
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// Unsupported, for now.
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assert_always();
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info = 0;
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result = X_STATUS_UNSUCCESSFUL;
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break;
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}
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} else {
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result = X_STATUS_INVALID_HANDLE;
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}
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if (io_status_block_ptr) {
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io_status_block_ptr->status = result;
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io_status_block_ptr->information = info; // # bytes written
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}
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return result;
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}
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DECLARE_XBOXKRNL_EXPORT1(NtQueryInformationFile, kFileSystem, kImplemented);
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dword_result_t NtQueryFullAttributesFile(
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pointer_t<X_OBJECT_ATTRIBUTES> obj_attribs,
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pointer_t<X_FILE_NETWORK_OPEN_INFORMATION> file_info) {
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@@ -592,82 +361,6 @@ dword_result_t NtQueryFullAttributesFile(
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}
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DECLARE_XBOXKRNL_EXPORT1(NtQueryFullAttributesFile, kFileSystem, kImplemented);
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dword_result_t NtQueryVolumeInformationFile(
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dword_t file_handle, pointer_t<X_IO_STATUS_BLOCK> io_status_block_ptr,
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lpvoid_t fs_info_ptr, dword_t length, dword_t fs_info_class) {
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X_STATUS result = X_STATUS_SUCCESS;
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uint32_t info = 0;
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// Grab file.
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auto file = kernel_state()->object_table()->LookupObject<XFile>(file_handle);
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if (file) {
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switch (fs_info_class) {
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case 1: { // FileFsVolumeInformation
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// TODO(gibbed): actual value
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std::string name = "test";
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X_FILE_FS_VOLUME_INFORMATION* volume_info =
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fs_info_ptr.as<X_FILE_FS_VOLUME_INFORMATION*>();
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volume_info->creation_time = 0;
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volume_info->serial_number = 12345678;
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volume_info->supports_objects = 0;
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volume_info->label_length = uint32_t(name.size());
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std::memcpy(volume_info->label, name.data(), name.size());
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info = length;
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break;
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}
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case 3: { // FileFsSizeInformation
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X_FILE_FS_SIZE_INFORMATION* fs_size_info =
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fs_info_ptr.as<X_FILE_FS_SIZE_INFORMATION*>();
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fs_size_info->total_allocation_units =
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file->device()->total_allocation_units();
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fs_size_info->available_allocation_units =
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file->device()->available_allocation_units();
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fs_size_info->sectors_per_allocation_unit =
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file->device()->sectors_per_allocation_unit();
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fs_size_info->bytes_per_sector = file->device()->bytes_per_sector();
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info = length;
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break;
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}
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case 5: { // FileFsAttributeInformation
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// TODO(gibbed): actual value
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std::string name = "test";
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X_FILE_FS_ATTRIBUTE_INFORMATION* fs_attribute_info =
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fs_info_ptr.as<X_FILE_FS_ATTRIBUTE_INFORMATION*>();
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fs_attribute_info->attributes = 0;
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fs_attribute_info->maximum_component_name_length = 255;
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fs_attribute_info->fs_name_length = uint32_t(name.size());
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std::memcpy(fs_attribute_info->fs_name, name.data(), name.size());
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info = length;
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break;
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}
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case 2: // FileFsLabelInformation
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case 4: // FileFsDeviceInformation
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case 6: // FileFsControlInformation
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case 7: // FileFsFullSizeInformation
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case 8: // FileFsObjectIdInformation
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default:
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// Unsupported, for now.
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assert_always();
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info = 0;
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break;
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}
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} else {
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result = X_STATUS_NO_SUCH_FILE;
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}
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if (XFAILED(result)) {
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info = 0;
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}
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if (io_status_block_ptr) {
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io_status_block_ptr->status = result;
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io_status_block_ptr->information = info;
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}
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return result;
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}
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DECLARE_XBOXKRNL_EXPORT1(NtQueryVolumeInformationFile, kFileSystem,
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kImplemented);
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dword_result_t NtQueryDirectoryFile(
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dword_t file_handle, dword_t event_handle, function_t apc_routine,
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lpvoid_t apc_context, pointer_t<X_IO_STATUS_BLOCK> io_status_block,
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358
src/xenia/kernel/xboxkrnl/xboxkrnl_io_info.cc
Normal file
358
src/xenia/kernel/xboxkrnl/xboxkrnl_io_info.cc
Normal file
@@ -0,0 +1,358 @@
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/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2020 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include "xenia/base/logging.h"
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#include "xenia/base/memory.h"
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#include "xenia/base/mutex.h"
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#include "xenia/cpu/processor.h"
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#include "xenia/kernel/info/file.h"
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#include "xenia/kernel/info/volume.h"
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#include "xenia/kernel/kernel_state.h"
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#include "xenia/kernel/util/shim_utils.h"
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#include "xenia/kernel/xboxkrnl/xboxkrnl_private.h"
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#include "xenia/kernel/xevent.h"
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#include "xenia/kernel/xfile.h"
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#include "xenia/kernel/xiocompletion.h"
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#include "xenia/kernel/xsymboliclink.h"
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#include "xenia/kernel/xthread.h"
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#include "xenia/vfs/device.h"
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#include "xenia/xbox.h"
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namespace xe {
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namespace kernel {
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namespace xboxkrnl {
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uint32_t GetQueryFileInfoMinimumLength(uint32_t info_class) {
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switch (info_class) {
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case XFileInternalInformation:
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return sizeof(X_FILE_INTERNAL_INFORMATION);
|
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case XFilePositionInformation:
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return sizeof(X_FILE_POSITION_INFORMATION);
|
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case XFileXctdCompressionInformation:
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return sizeof(X_FILE_XCTD_COMPRESSION_INFORMATION);
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case XFileNetworkOpenInformation:
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return sizeof(X_FILE_NETWORK_OPEN_INFORMATION);
|
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// TODO(gibbed): structures to get the size of.
|
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case XFileModeInformation:
|
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case XFileAlignmentInformation:
|
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case XFileSectorInformation:
|
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case XFileIoPriorityInformation:
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return 4;
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case XFileNameInformation:
|
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case XFileAllocationInformation:
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return 8;
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case XFileBasicInformation:
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return 40;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
dword_result_t NtQueryInformationFile(
|
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dword_t file_handle, pointer_t<X_IO_STATUS_BLOCK> io_status_block_ptr,
|
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lpvoid_t info_ptr, dword_t info_length, dword_t info_class) {
|
||||
uint32_t minimum_length = GetQueryFileInfoMinimumLength(info_class);
|
||||
if (!minimum_length) {
|
||||
return X_STATUS_INVALID_INFO_CLASS;
|
||||
}
|
||||
|
||||
if (info_length < minimum_length) {
|
||||
return X_STATUS_INFO_LENGTH_MISMATCH;
|
||||
}
|
||||
|
||||
auto file = kernel_state()->object_table()->LookupObject<XFile>(file_handle);
|
||||
if (!file) {
|
||||
return X_STATUS_INVALID_HANDLE;
|
||||
}
|
||||
|
||||
info_ptr.Zero(info_length);
|
||||
|
||||
X_STATUS status = X_STATUS_SUCCESS;
|
||||
uint32_t out_length;
|
||||
|
||||
switch (info_class) {
|
||||
case XFileInternalInformation: {
|
||||
// Internal unique file pointer. Not sure why anyone would want this.
|
||||
// TODO(benvanik): use pointer to fs::entry?
|
||||
auto info = info_ptr.as<X_FILE_INTERNAL_INFORMATION*>();
|
||||
info->index_number = xe::memory::hash_combine(0, file->path());
|
||||
out_length = sizeof(*info);
|
||||
break;
|
||||
}
|
||||
case XFilePositionInformation: {
|
||||
auto info = info_ptr.as<X_FILE_POSITION_INFORMATION*>();
|
||||
info->current_byte_offset = file->position();
|
||||
out_length = sizeof(*info);
|
||||
break;
|
||||
}
|
||||
case XFileSectorInformation: {
|
||||
// TODO(benvanik): return sector this file's on.
|
||||
XELOGE("NtQueryInformationFile(XFileSectorInformation) unimplemented");
|
||||
status = X_STATUS_INVALID_PARAMETER;
|
||||
out_length = 0;
|
||||
break;
|
||||
}
|
||||
case XFileXctdCompressionInformation: {
|
||||
XELOGE(
|
||||
"NtQueryInformationFile(XFileXctdCompressionInformation) "
|
||||
"unimplemented");
|
||||
// Files that are XCTD compressed begin with the magic 0x0FF512ED but we
|
||||
// shouldn't detect this that way. There's probably a flag somewhere
|
||||
// (attributes?) that defines if it's compressed or not.
|
||||
status = X_STATUS_INVALID_PARAMETER;
|
||||
out_length = 0;
|
||||
break;
|
||||
};
|
||||
case XFileNetworkOpenInformation: {
|
||||
// Make sure we're working with up-to-date information, just in case the
|
||||
// file size has changed via something other than NtSetInfoFile
|
||||
// (eg. seems NtWriteFile might extend the file in some cases)
|
||||
file->entry()->update();
|
||||
|
||||
auto info = info_ptr.as<X_FILE_NETWORK_OPEN_INFORMATION*>();
|
||||
info->creation_time = file->entry()->create_timestamp();
|
||||
info->last_access_time = file->entry()->access_timestamp();
|
||||
info->last_write_time = file->entry()->write_timestamp();
|
||||
info->change_time = file->entry()->write_timestamp();
|
||||
info->allocation_size = file->entry()->allocation_size();
|
||||
info->end_of_file = file->entry()->size();
|
||||
info->attributes = file->entry()->attributes();
|
||||
out_length = sizeof(*info);
|
||||
break;
|
||||
}
|
||||
default: {
|
||||
// Unsupported, for now.
|
||||
assert_always();
|
||||
status = X_STATUS_INVALID_PARAMETER;
|
||||
out_length = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (io_status_block_ptr) {
|
||||
io_status_block_ptr->status = status;
|
||||
io_status_block_ptr->information = out_length;
|
||||
}
|
||||
|
||||
return status;
|
||||
}
|
||||
DECLARE_XBOXKRNL_EXPORT1(NtQueryInformationFile, kFileSystem, kImplemented);
|
||||
|
||||
uint32_t GetSetFileInfoMinimumLength(uint32_t info_class) {
|
||||
switch (info_class) {
|
||||
case XFileDispositionInformation:
|
||||
return sizeof(X_FILE_DISPOSITION_INFORMATION);
|
||||
case XFilePositionInformation:
|
||||
return sizeof(X_FILE_POSITION_INFORMATION);
|
||||
case XFileCompletionInformation:
|
||||
return sizeof(X_FILE_COMPLETION_INFORMATION);
|
||||
// TODO(gibbed): structures to get the size of.
|
||||
case XFileModeInformation:
|
||||
case XFileIoPriorityInformation:
|
||||
return 4;
|
||||
case XFileAllocationInformation:
|
||||
case XFileEndOfFileInformation:
|
||||
case XFileMountPartitionInformation:
|
||||
return 8;
|
||||
case XFileRenameInformation:
|
||||
case XFileLinkInformation:
|
||||
return 16;
|
||||
case XFileBasicInformation:
|
||||
return 40;
|
||||
case XFileMountPartitionsInformation:
|
||||
return 152;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
dword_result_t NtSetInformationFile(
|
||||
dword_t file_handle, pointer_t<X_IO_STATUS_BLOCK> io_status_block,
|
||||
lpvoid_t info_ptr, dword_t info_length, dword_t info_class) {
|
||||
uint32_t minimum_length = GetSetFileInfoMinimumLength(info_class);
|
||||
if (!minimum_length) {
|
||||
return X_STATUS_INVALID_INFO_CLASS;
|
||||
}
|
||||
|
||||
if (info_length < minimum_length) {
|
||||
return X_STATUS_INFO_LENGTH_MISMATCH;
|
||||
}
|
||||
|
||||
auto file = kernel_state()->object_table()->LookupObject<XFile>(file_handle);
|
||||
if (!file) {
|
||||
return X_STATUS_INVALID_HANDLE;
|
||||
}
|
||||
|
||||
X_STATUS result = X_STATUS_SUCCESS;
|
||||
uint32_t out_length;
|
||||
|
||||
switch (info_class) {
|
||||
case XFileDispositionInformation: {
|
||||
// Used to set deletion flag. Which we don't support. Probably?
|
||||
auto info = info_ptr.as<X_FILE_DISPOSITION_INFORMATION*>();
|
||||
bool delete_on_close = info->delete_file ? true : false;
|
||||
out_length = 0;
|
||||
XELOGW("NtSetInformationFile ignoring delete on close: {}",
|
||||
delete_on_close);
|
||||
break;
|
||||
}
|
||||
case XFilePositionInformation: {
|
||||
auto info = info_ptr.as<X_FILE_POSITION_INFORMATION*>();
|
||||
file->set_position(info->current_byte_offset);
|
||||
out_length = sizeof(*info);
|
||||
break;
|
||||
}
|
||||
case XFileAllocationInformation: {
|
||||
XELOGW("NtSetInformationFile ignoring alloc");
|
||||
out_length = 8;
|
||||
break;
|
||||
}
|
||||
case XFileEndOfFileInformation: {
|
||||
auto info = info_ptr.as<X_FILE_END_OF_FILE_INFORMATION*>();
|
||||
result = file->SetLength(info->end_of_file);
|
||||
out_length = sizeof(*info);
|
||||
|
||||
// Update the files vfs::Entry information
|
||||
file->entry()->update();
|
||||
break;
|
||||
}
|
||||
case XFileCompletionInformation: {
|
||||
// Info contains IO Completion handle and completion key
|
||||
auto info = info_ptr.as<X_FILE_COMPLETION_INFORMATION*>();
|
||||
auto handle = uint32_t(info->handle);
|
||||
auto key = uint32_t(info->key);
|
||||
out_length = sizeof(*info);
|
||||
auto port =
|
||||
kernel_state()->object_table()->LookupObject<XIOCompletion>(handle);
|
||||
if (!port) {
|
||||
result = X_STATUS_INVALID_HANDLE;
|
||||
} else {
|
||||
file->RegisterIOCompletionPort(key, port);
|
||||
}
|
||||
break;
|
||||
}
|
||||
default:
|
||||
// Unsupported, for now.
|
||||
assert_always();
|
||||
out_length = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
if (io_status_block) {
|
||||
io_status_block->status = result;
|
||||
io_status_block->information = out_length;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
DECLARE_XBOXKRNL_EXPORT2(NtSetInformationFile, kFileSystem, kImplemented,
|
||||
kHighFrequency);
|
||||
|
||||
uint32_t GetQueryVolumeInfoMinimumLength(uint32_t info_class) {
|
||||
switch (info_class) {
|
||||
case XFileFsVolumeInformation:
|
||||
return sizeof(X_FILE_FS_VOLUME_INFORMATION);
|
||||
case XFileFsSizeInformation:
|
||||
return sizeof(X_FILE_FS_SIZE_INFORMATION);
|
||||
case XFileFsAttributeInformation:
|
||||
return sizeof(X_FILE_FS_ATTRIBUTE_INFORMATION);
|
||||
// TODO(gibbed): structures to get the size of.
|
||||
case XFileFsDeviceInformation:
|
||||
return 8;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
dword_result_t NtQueryVolumeInformationFile(
|
||||
dword_t file_handle, pointer_t<X_IO_STATUS_BLOCK> io_status_block_ptr,
|
||||
lpvoid_t info_ptr, dword_t info_length, dword_t info_class) {
|
||||
uint32_t minimum_length = GetQueryVolumeInfoMinimumLength(info_class);
|
||||
if (!minimum_length) {
|
||||
return X_STATUS_INVALID_INFO_CLASS;
|
||||
}
|
||||
|
||||
if (info_length < minimum_length) {
|
||||
return X_STATUS_INFO_LENGTH_MISMATCH;
|
||||
}
|
||||
|
||||
auto file = kernel_state()->object_table()->LookupObject<XFile>(file_handle);
|
||||
if (!file) {
|
||||
return X_STATUS_INVALID_HANDLE;
|
||||
}
|
||||
|
||||
info_ptr.Zero(info_length);
|
||||
|
||||
X_STATUS status = X_STATUS_SUCCESS;
|
||||
uint32_t out_length;
|
||||
|
||||
switch (info_class) {
|
||||
case XFileFsVolumeInformation: {
|
||||
auto info = info_ptr.as<X_FILE_FS_VOLUME_INFORMATION*>();
|
||||
info->creation_time = 0;
|
||||
info->serial_number = 0; // set for FATX, but we don't do that currently
|
||||
info->supports_objects = 0;
|
||||
info->label_length = 0;
|
||||
out_length = offsetof(X_FILE_FS_VOLUME_INFORMATION, label);
|
||||
break;
|
||||
}
|
||||
case XFileFsSizeInformation: {
|
||||
auto device = file->device();
|
||||
auto info = info_ptr.as<X_FILE_FS_SIZE_INFORMATION*>();
|
||||
info->total_allocation_units = device->total_allocation_units();
|
||||
info->available_allocation_units = device->available_allocation_units();
|
||||
info->sectors_per_allocation_unit = device->sectors_per_allocation_unit();
|
||||
info->bytes_per_sector = device->bytes_per_sector();
|
||||
// TODO(gibbed): sanity check, XCTD userland code seems to require this.
|
||||
assert_true(info->bytes_per_sector == 0x200);
|
||||
out_length = sizeof(*info);
|
||||
break;
|
||||
}
|
||||
case XFileFsAttributeInformation: {
|
||||
auto device = file->device();
|
||||
const auto& name = device->name();
|
||||
auto info = info_ptr.as<X_FILE_FS_ATTRIBUTE_INFORMATION*>();
|
||||
info->attributes = device->attributes();
|
||||
info->component_name_max_length = device->component_name_max_length();
|
||||
info->name_length = uint32_t(name.size());
|
||||
if (info_length >= 12 + name.size()) {
|
||||
std::memcpy(info->name, name.data(), name.size());
|
||||
out_length =
|
||||
offsetof(X_FILE_FS_ATTRIBUTE_INFORMATION, name) + info->name_length;
|
||||
} else {
|
||||
status = X_STATUS_BUFFER_OVERFLOW;
|
||||
out_length = offsetof(X_FILE_FS_ATTRIBUTE_INFORMATION, name);
|
||||
}
|
||||
break;
|
||||
}
|
||||
case XFileFsDeviceInformation:
|
||||
default: {
|
||||
// Unsupported, for now.
|
||||
assert_always();
|
||||
out_length = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (io_status_block_ptr) {
|
||||
io_status_block_ptr->status = status;
|
||||
io_status_block_ptr->information = out_length;
|
||||
}
|
||||
|
||||
return status;
|
||||
}
|
||||
DECLARE_XBOXKRNL_EXPORT1(NtQueryVolumeInformationFile, kFileSystem,
|
||||
kImplemented);
|
||||
|
||||
void RegisterIoInfoExports(xe::cpu::ExportResolver* export_resolver,
|
||||
KernelState* kernel_state) {}
|
||||
|
||||
} // namespace xboxkrnl
|
||||
} // namespace kernel
|
||||
} // namespace xe
|
||||
@@ -91,6 +91,7 @@ XboxkrnlModule::XboxkrnlModule(Emulator* emulator, KernelState* kernel_state)
|
||||
RegisterHalExports(export_resolver_, kernel_state_);
|
||||
RegisterHidExports(export_resolver_, kernel_state_);
|
||||
RegisterIoExports(export_resolver_, kernel_state_);
|
||||
RegisterIoInfoExports(export_resolver_, kernel_state_);
|
||||
RegisterMemoryExports(export_resolver_, kernel_state_);
|
||||
RegisterMiscExports(export_resolver_, kernel_state_);
|
||||
RegisterModuleExports(export_resolver_, kernel_state_);
|
||||
|
||||
@@ -2,7 +2,7 @@
|
||||
******************************************************************************
|
||||
* Xenia : Xbox 360 Emulator Research Project *
|
||||
******************************************************************************
|
||||
* Copyright 2013 Ben Vanik. All rights reserved. *
|
||||
* Copyright 2020 Ben Vanik. All rights reserved. *
|
||||
* Released under the BSD license - see LICENSE in the root for more details. *
|
||||
******************************************************************************
|
||||
*/
|
||||
@@ -32,6 +32,7 @@ DECLARE_REGISTER_EXPORTS(Error);
|
||||
DECLARE_REGISTER_EXPORTS(Hal);
|
||||
DECLARE_REGISTER_EXPORTS(Hid);
|
||||
DECLARE_REGISTER_EXPORTS(Io);
|
||||
DECLARE_REGISTER_EXPORTS(IoInfo);
|
||||
DECLARE_REGISTER_EXPORTS(Memory);
|
||||
DECLARE_REGISTER_EXPORTS(Misc);
|
||||
DECLARE_REGISTER_EXPORTS(Module);
|
||||
|
||||
Reference in New Issue
Block a user