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pf2: add volume init, context register/unregister

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This commit is contained in:
Michael Scire
2020-11-26 03:27:07 -08:00
parent f9c5470ac9
commit 7b01d59b3b
19 changed files with 883 additions and 85 deletions
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2
libraries/libvapours/include/vapours/prfile2/pf/prfile2_pf_api_common.hpp
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@@ -22,4 +22,6 @@ namespace ams::prfile2::pf {
int Initialize(u32 config, void *param);
int Attach(DriveTable **drive_table);
}

121
libraries/libvapours/include/vapours/prfile2/pf/prfile2_pf_types.hpp
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@@ -15,46 +15,59 @@
*/
#pragma once
#include <vapours/prfile2/prfile2_build_config.hpp>
#include <vapours/prfile2/prfile2_handle.hpp>
namespace ams::prfile2::pf {
using DriveCharacter = char;
enum Error {
Error_NoError = 0,
Error_Ok = Error_NoError,
Error_NoError = 0,
Error_Ok = Error_NoError,
Error_EPERM = 1,
Error_ENOENT = 2,
Error_ESRCH = 3,
Error_EIO = 5,
Error_ENOEXEC = 8,
Error_EBADF = 9,
Error_ENOMEM = 12,
Error_EACCES = 13,
Error_EBUSY = 16,
Error_EEXIST = 17,
Error_ENODEV = 19,
Error_EISDIR = 21,
Error_EINVAL = 22,
Error_ENFILE = 23,
Error_EMFILE = 24,
Error_EFBIG = 27,
Error_ENOSPC = 28,
Error_ENOLCK = 46,
Error_ENOSYS = 88,
Error_ENOTEMPTY = 90,
Error_Generic = -1,
Error_EMOD_NOTREG = 100,
Error_EMOD_NOTSPRT = 101,
Error_EMOD_FCS = 102,
Error_EMOD_SAFE = 103,
Error_ENOMEDIUM = 123,
Error_EEXFAT_NOTSPRT = 200,
Error_DFNC = 0x1000,
Error_SYSTEM = -1,
Error_InvalidFileName = 1,
Error_InvalidPathName = 2,
Error_FileNotFound = 3,
Error_TooManyVolumesAttached = 4,
Error_DirectoryFull = 5,
Error_VolumeFull = 6,
Error_InvalidDiskFormat = 7,
Error_FileAlreadyExists = 8,
Error_VolumeNotMounted = 9,
Error_InvalidParameter = 10,
Error_WriteProtected = 11,
Error_UnsupportedFormat = 12,
Error_BrokenClusterChain = 13,
Error_InvalidClusterNum = 14,
Error_InvalidBpb = 15,
Error_AccessOutOfVolume = 16,
Error_DriverError = 17,
Error_InvalidVolumeLabel = 18,
Error_FileOpened = 19,
Error_NotADirectory = 20,
Error_TooManyFilesOpenedS = 21,
Error_TooManyFilesOpenedU = 22,
Error_NotAFile = 23,
Error_ReadOnly = 24,
Error_LockError = 25,
Error_InternalError = 26,
Error_EndOfFile = 27,
Error_AccessNotAllowed = 28,
Error_DirectoryNotEmpty = 29,
Error_NotEnoughCachePages = 30,
Error_DifferentDrive = 31,
Error_DifferentEntry = 32,
Error_InvalidEntry = 33,
Error_InvalidSector = 34,
Error_BrokenVolume = 35,
Error_NotEffective = 36,
Error_FileSizeOver = 37,
Error_InvalidFileDiscriptor = 38,
Error_InvalidLockFile = 39,
Error_ExtensionNotRegistered = 40,
Error_ExtensionError = 41,
};
constexpr inline const int ReturnValueNoError = 0;
@@ -68,4 +81,44 @@ namespace ams::prfile2::pf {
}
}
struct CachePage {
u16 status;
u16 option;
u8 *buffer_head;
u8 *buffer_cur;
u8 *buffer_dirty_start;
u8 *buffer_dirty_end;
u32 size;
u32 sector;
void *signature;
CachePage *next;
CachePage *prev;
};
static_assert(util::is_pod<CachePage>::value);
constexpr inline auto SectorBufferSize = 0x200;
constexpr inline auto Log2SectorBufferSize = 9;
static_assert((1u << Log2SectorBufferSize) == SectorBufferSize);
using SectorBuffer = u8[SectorBufferSize];
static_assert(sizeof(SectorBuffer) == SectorBufferSize);
struct CacheSetting {
CachePage *pages;
SectorBuffer *buffers;
u16 num_fat_pages;
u16 num_data_pages;
u32 fat_buf_size;
u32 data_buf_size;
};
struct DriveTable {
CacheSetting *cache;
HandleType partition_handle;
DriveCharacter drive_char;
u8 status;
};
using TailBuf = u32;
}