core:sys/windows: Added IoRing API bindings

Signed-off-by: Ignacy Koper <ignacy423@gmail.com>

core/sys/windows/ioringapi.odin

@@ -0,0 +1,106 @@
+#+build windows
+package sys_windows
+
+foreign import ioringapi "system:kernel32.lib"
+
+HIORING :: distinct rawptr
+
+IORING_SQE_FLAG :: enum u32 {
+	DRAIN_PRECEDING_OPS = 0, // 0x00000001
+}
+IORING_SQE_FLAGS :: bit_set[IORING_SQE_FLAG; u32]
+
+// Reserved for future use; currently no flags defined
+IORING_CREATE_REQUIRED_FLAG :: enum u32 {}
+IORING_CREATE_REQUIRED_FLAGS :: bit_set[IORING_CREATE_REQUIRED_FLAG; u32]
+
+IORING_CREATE_ADVISORY_FLAG :: enum u32 {
+	SKIP_BUILDER_PARAM_CHECKS = 0, // 0x00000001
+}
+IORING_CREATE_ADVISORY_FLAGS :: bit_set[IORING_CREATE_ADVISORY_FLAG; u32]
+
+IORING_CREATE_FLAGS :: struct {
+	Required: IORING_CREATE_REQUIRED_FLAGS,
+	Advisory: IORING_CREATE_ADVISORY_FLAGS,
+}
+
+IORING_INFO :: struct {
+	Version: IORING_VERSION,
+	Flags: IORING_CREATE_FLAGS,
+	SubmissionQueueSize: UINT32,
+	CompletionQueueSize: UINT32,
+}
+
+IORING_CAPABILITIES :: struct {
+	MaxVersion: IORING_VERSION,
+	MaxSubmissionQueueSize: UINT32,
+	MaxCompletionQueueSize: UINT32,
+	FeatureFlags: IORING_FEATURE_FLAGS,
+}
+
+IORING_REF_KIND :: enum i32 {
+	RAW,
+	REGISTERED,
+}
+
+IORING_HANDLE_REF :: struct {
+	Kind: IORING_REF_KIND,
+	HandleUnion: struct #raw_union {
+		Handle: HANDLE,
+		Index: UINT32,
+	},
+}
+
+IORING_BUFFER_REF :: struct {
+	Kind:  IORING_REF_KIND,
+	BufferUnion: struct #raw_union {
+		Address: rawptr,
+		IndexAndOffset: IORING_REGISTERED_BUFFER,
+	},
+}
+
+IORING_CQE :: struct {
+	UserData: UINT_PTR,
+	ResultCode: HRESULT,
+	Information: ULONG_PTR,
+}
+
+// Types below are from winbase.h and winnt.h
+FILE_WRITE_FLAG :: enum u32 {
+	WRITE_THROUGH = 0, // 0x000000001
+}
+FILE_WRITE_FLAGS :: bit_set[FILE_WRITE_FLAG ;u32]
+
+FILE_FLUSH_MODE :: enum i32 {
+	DEFAULT,
+	DATA,
+	MIN_METADATA,
+	NO_SYNC,
+}
+
+FILE_SEGMENT_ELEMENT :: struct #raw_union {
+	Buffer: PVOID64,
+	Alignment: ULONGLONG,
+}
+
+
+@(default_calling_convention="system")
+foreign ioringapi {
+	QueryIoRingCapabilities :: proc(capabilities: ^IORING_CAPABILITIES) -> HRESULT ---
+	IsIoRingOpSupported :: proc(ioRing: HIORING, op: IORING_OP_CODE) -> BOOL ---
+	CreateIoRing :: proc(ioringVersion: IORING_VERSION, flags: IORING_CREATE_FLAGS, submissionQueueSize: UINT32, completionQueueSize: UINT32, h: ^HIORING) -> HRESULT ---
+	GetIoRingInfo :: proc(ioRing: HIORING, info: ^IORING_INFO) -> HRESULT ---
+	SubmitIoRing :: proc(ioRing: HIORING, waitOperations: UINT32, milliseconds: UINT32, submittedEntries: ^UINT32) -> HRESULT ---
+	CloseIoRing :: proc(ioRing: HIORING) -> HRESULT ---
+	PopIoRingCompletion :: proc(ioRing: HIORING, cqe: ^IORING_CQE) -> HRESULT ---
+	SetIoRingCompletionEvent :: proc(ioRing: HIORING, hEvent: HANDLE) -> HRESULT ---
+
+	BuildIoRingCancelRequest :: proc(ioRing: HIORING, file: IORING_HANDLE_REF, opToCancel: UINT_PTR, userData: UINT_PTR) -> HRESULT ---
+	BuildIoRingReadFile :: proc(ioRing: HIORING, fileRef: IORING_HANDLE_REF, dataRef: IORING_BUFFER_REF, numberOfBytesToRead: UINT32, fileOffset: UINT64, userData: UINT_PTR, sqeFlags: IORING_SQE_FLAGS) -> HRESULT ---
+	BuildIoRingRegisterFileHandles :: proc(ioRing: HIORING, count: UINT32, handles: [^]HANDLE, userData: UINT_PTR) -> HRESULT ---
+	BuildIoRingRegisterBuffers :: proc(ioRing: HIORING, count: UINT32, buffers: [^]IORING_BUFFER_INFO, userData: UINT_PTR) -> HRESULT ---
+	BuildIoRingWriteFile :: proc(ioRing: HIORING, fileRef: IORING_HANDLE_REF, bufferRef: IORING_BUFFER_REF, numberOfBytesToWrite: UINT32, fileOffset: UINT64, writeFlags: FILE_WRITE_FLAGS, userData: UINT_PTR, sqeFlags: IORING_SQE_FLAGS) -> HRESULT ---
+	BuildIoRingFlushFile :: proc(ioRing: HIORING, fileRef: IORING_HANDLE_REF, flushMode: FILE_FLUSH_MODE, userData: UINT_PTR, sqeFlags: IORING_SQE_FLAGS) -> HRESULT ---
+	BuildIoRingReadFileScatter :: proc(ioRing: HIORING, fileRef: IORING_HANDLE_REF, segmentCount: UINT32, segmentArray: [^]FILE_SEGMENT_ELEMENT, numberOfBytesToRead: UINT32, fileOffset: UINT64, userData: UINT_PTR, sqeFlags: IORING_SQE_FLAGS) -> HRESULT ---
+    BuildIoRingWriteFileGather :: proc(ioRing: HIORING, fileRef: IORING_HANDLE_REF, segmentCount: UINT32, segmentArray: [^]FILE_SEGMENT_ELEMENT, numberOfBytesToWrite: UINT32, fileOffset: UINT64, writeFlags: FILE_WRITE_FLAGS, userData: UINT_PTR, sqeFlags: IORING_SQE_FLAGS) -> HRESULT ---
+}

core/sys/windows/ntioring_x.odin

@@ -0,0 +1,42 @@
+#+build windows
+package sys_windows
+
+
+IORING_SUBMIT_WAIT_ALL :: max(u32)
+
+IORING_VERSION :: enum i32 {
+	INVALID,
+	_1,
+	_2,
+	_3 = 300,
+	_4 = 400,
+}
+
+IORING_FEATURE_FLAG :: enum u32 {
+	UM_EMULATION         = 0, // 0x00000001
+	SET_COMPLETION_EVENT = 1, // 0x00000002
+}
+
+IORING_FEATURE_FLAGS :: bit_set[IORING_FEATURE_FLAG; u32]
+
+IORING_OP_CODE :: enum i32 {
+	NOP,
+	READ,
+	REGISTER_FILES,
+	REGISTER_BUFFERS,
+	CANCEL,
+	WRITE,
+	FLUSH,
+	READ_SCATTER,
+	WRITE_GATHER,
+}
+
+IORING_BUFFER_INFO :: struct {
+	Address: rawptr,
+	Length: u32,
+}
+
+IORING_REGISTERED_BUFFER :: struct {
+	BufferIndex: u32,
+	Offset: u32,
+}

core/sys/windows/types.odin

@@ -132,6 +132,7 @@ LPSTARTUPINFOW        :: ^STARTUPINFOW
 LPTRACKMOUSEEVENT     :: ^TRACKMOUSEEVENT
 VOID                  :: rawptr
 PVOID                 :: rawptr
+PVOID64               :: rawptr
 LPVOID                :: rawptr
 PINT                  :: ^INT
 LPINT                 :: ^INT