[mirror_edk2.git] / MdePkg / Library / BaseIoLibIntrinsic / IoLibInternalTdxNull.c

/** @file\r
  Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <Library/BaseLib.h>\r
#include "BaseIoLibIntrinsicInternal.h"\r
#include "IoLibTdx.h"\r
\r
/**\r
  Check if it is Tdx guest.\r
\r
  @return TRUE    It is Tdx guest\r
  @return FALSE   It is not Tdx guest\r
\r
**/\r
BOOLEAN\r
EFIAPI\r
IsTdxGuest (\r
  VOID\r
  )\r
{\r
  return FALSE;\r
}\r
\r
/**\r
  Reads an 8-bit I/O port.\r
\r
  TDVMCALL_IO is invoked to read I/O port.\r
\r
  @param  Port  The I/O port to read.\r
\r
  @return The value read.\r
\r
**/\r
UINT8\r
EFIAPI\r
TdIoRead8 (\r
  IN      UINTN  Port\r
  )\r
{\r
  ASSERT (FALSE);\r
  return 0;\r
}\r
\r
/**\r
  Reads a 16-bit I/O port.\r
\r
  TDVMCALL_IO is invoked to write I/O port.\r
\r
  @param  Port  The I/O port to read.\r
\r
  @return The value read.\r
\r
**/\r
UINT16\r
EFIAPI\r
TdIoRead16 (\r
  IN      UINTN  Port\r
  )\r
{\r
  ASSERT (FALSE);\r
  return 0;\r
}\r
\r
/**\r
  Reads a 32-bit I/O port.\r
\r
  TDVMCALL_IO is invoked to read I/O port.\r
\r
  @param  Port  The I/O port to read.\r
\r
  @return The value read.\r
\r
**/\r
UINT32\r
EFIAPI\r
TdIoRead32 (\r
  IN      UINTN  Port\r
  )\r
{\r
  ASSERT (FALSE);\r
  return 0;\r
}\r
\r
/**\r
  Writes an 8-bit I/O port.\r
\r
  TDVMCALL_IO is invoked to write I/O port.\r
\r
  @param  Port  The I/O port to write.\r
  @param  Value The value to write to the I/O port.\r
\r
  @return The value written the I/O port.\r
\r
**/\r
UINT8\r
EFIAPI\r
TdIoWrite8 (\r
  IN      UINTN  Port,\r
  IN      UINT8  Value\r
  )\r
{\r
  ASSERT (FALSE);\r
  return 0;\r
}\r
\r
/**\r
  Writes a 16-bit I/O port.\r
\r
  TDVMCALL_IO is invoked to write I/O port.\r
\r
  @param  Port  The I/O port to write.\r
  @param  Value The value to write to the I/O port.\r
\r
  @return The value written the I/O port.\r
\r
**/\r
UINT16\r
EFIAPI\r
TdIoWrite16 (\r
  IN      UINTN   Port,\r
  IN      UINT16  Value\r
  )\r
{\r
  ASSERT (FALSE);\r
  return 0;\r
}\r
\r
/**\r
  Writes a 32-bit I/O port.\r
\r
  TDVMCALL_IO is invoked to write I/O port.\r
\r
  @param  Port  The I/O port to write.\r
  @param  Value The value to write to the I/O port.\r
\r
  @return The value written the I/O port.\r
\r
**/\r
UINT32\r
EFIAPI\r
TdIoWrite32 (\r
  IN      UINTN   Port,\r
  IN      UINT32  Value\r
  )\r
{\r
  ASSERT (FALSE);\r
  return 0;\r
}\r
\r
/**\r
  Reads an 8-bit MMIO register.\r
\r
  TDVMCALL_MMIO is invoked to read MMIO registers.\r
\r
  @param  Address The MMIO register to read.\r
\r
  @return The value read.\r
\r
**/\r
UINT8\r
EFIAPI\r
TdMmioRead8 (\r
  IN      UINTN  Address\r
  )\r
{\r
  ASSERT (FALSE);\r
  return 0;\r
}\r
\r
/**\r
  Writes an 8-bit MMIO register.\r
\r
  TDVMCALL_MMIO is invoked to read write registers.\r
\r
  @param  Address The MMIO register to write.\r
  @param  Value   The value to write to the MMIO register.\r
\r
  @return Value.\r
\r
**/\r
UINT8\r
EFIAPI\r
TdMmioWrite8 (\r
  IN      UINTN  Address,\r
  IN      UINT8  Val\r
  )\r
{\r
  ASSERT (FALSE);\r
  return 0;\r
}\r
\r
/**\r
  Reads a 16-bit MMIO register.\r
\r
  TDVMCALL_MMIO is invoked to read MMIO registers.\r
\r
  @param  Address The MMIO register to read.\r
\r
  @return The value read.\r
\r
**/\r
UINT16\r
EFIAPI\r
TdMmioRead16 (\r
  IN      UINTN  Address\r
  )\r
{\r
  ASSERT (FALSE);\r
  return 0;\r
}\r
\r
/**\r
  Writes a 16-bit MMIO register.\r
\r
  TDVMCALL_MMIO is invoked to write MMIO registers.\r
\r
  @param  Address The MMIO register to write.\r
  @param  Value   The value to write to the MMIO register.\r
\r
  @return Value.\r
\r
**/\r
UINT16\r
EFIAPI\r
TdMmioWrite16 (\r
  IN      UINTN   Address,\r
  IN      UINT16  Val\r
  )\r
{\r
  ASSERT (FALSE);\r
  return 0;\r
}\r
\r
/**\r
  Reads a 32-bit MMIO register.\r
\r
  TDVMCALL_MMIO is invoked to read MMIO registers.\r
\r
  @param  Address The MMIO register to read.\r
\r
  @return The value read.\r
\r
**/\r
UINT32\r
EFIAPI\r
TdMmioRead32 (\r
  IN      UINTN  Address\r
  )\r
{\r
  ASSERT (FALSE);\r
  return 0;\r
}\r
\r
/**\r
  Writes a 32-bit MMIO register.\r
\r
  TDVMCALL_MMIO is invoked to write MMIO registers.\r
\r
  @param  Address The MMIO register to write.\r
  @param  Value   The value to write to the MMIO register.\r
\r
  @return Value.\r
\r
**/\r
UINT32\r
EFIAPI\r
TdMmioWrite32 (\r
  IN      UINTN   Address,\r
  IN      UINT32  Val\r
  )\r
{\r
  ASSERT (FALSE);\r
  return 0;\r
}\r
\r
/**\r
  Reads a 64-bit MMIO register.\r
\r
  TDVMCALL_MMIO is invoked to read MMIO registers.\r
\r
  @param  Address The MMIO register to read.\r
\r
  @return The value read.\r
\r
**/\r
UINT64\r
EFIAPI\r
TdMmioRead64 (\r
  IN      UINTN  Address\r
  )\r
{\r
  ASSERT (FALSE);\r
  return 0;\r
}\r
\r
/**\r
  Writes a 64-bit MMIO register.\r
\r
  TDVMCALL_MMIO is invoked to write MMIO registers.\r
\r
  @param  Address The MMIO register to write.\r
  @param  Value   The value to write to the MMIO register.\r
\r
**/\r
UINT64\r
EFIAPI\r
TdMmioWrite64 (\r
  IN      UINTN   Address,\r
  IN      UINT64  Value\r
  )\r
{\r
  ASSERT (FALSE);\r
  return 0;\r
}\r
\r
/**\r
  Reads an 8-bit I/O port fifo into a block of memory.\r
\r
  Reads the 8-bit I/O fifo port specified by Port.\r
  The port is read Count times, and the read data is\r
  stored in the provided Buffer.\r
\r
  This function must guarantee that all I/O read and write operations are\r
  serialized.\r
\r
  If 8-bit I/O port operations are not supported, then ASSERT().\r
\r
  In TDX a serial of TdIoRead8 is invoked to read the I/O port fifo.\r
\r
  @param  Port    The I/O port to read.\r
  @param  Count   The number of times to read I/O port.\r
  @param  Buffer  The buffer to store the read data into.\r
\r
**/\r
VOID\r
EFIAPI\r
TdIoReadFifo8 (\r
  IN      UINTN  Port,\r
  IN      UINTN  Count,\r
  OUT     VOID   *Buffer\r
  )\r
{\r
  ASSERT (FALSE);\r
}\r
\r
/**\r
  Writes a block of memory into an 8-bit I/O port fifo.\r
\r
  Writes the 8-bit I/O fifo port specified by Port.\r
  The port is written Count times, and the write data is\r
  retrieved from the provided Buffer.\r
\r
  This function must guarantee that all I/O write and write operations are\r
  serialized.\r
\r
  If 8-bit I/O port operations are not supported, then ASSERT().\r
\r
  In TDX a serial of TdIoWrite8 is invoked to write data to the I/O port.\r
\r
  @param  Port    The I/O port to write.\r
  @param  Count   The number of times to write I/O port.\r
  @param  Buffer  The buffer to retrieve the write data from.\r
\r
**/\r
VOID\r
EFIAPI\r
TdIoWriteFifo8 (\r
  IN      UINTN  Port,\r
  IN      UINTN  Count,\r
  IN      VOID   *Buffer\r
  )\r
{\r
  ASSERT (FALSE);\r
}\r
\r
/**\r
  Reads a 16-bit I/O port fifo into a block of memory.\r
\r
  Reads the 16-bit I/O fifo port specified by Port.\r
  The port is read Count times, and the read data is\r
  stored in the provided Buffer.\r
\r
  This function must guarantee that all I/O read and write operations are\r
  serialized.\r
\r
  If 16-bit I/O port operations are not supported, then ASSERT().\r
\r
  In TDX a serial of TdIoRead16 is invoked to read data from the I/O port.\r
\r
  @param  Port    The I/O port to read.\r
  @param  Count   The number of times to read I/O port.\r
  @param  Buffer  The buffer to store the read data into.\r
\r
**/\r
VOID\r
EFIAPI\r
TdIoReadFifo16 (\r
  IN      UINTN  Port,\r
  IN      UINTN  Count,\r
  OUT     VOID   *Buffer\r
  )\r
{\r
  ASSERT (FALSE);\r
}\r
\r
/**\r
  Writes a block of memory into a 16-bit I/O port fifo.\r
\r
  Writes the 16-bit I/O fifo port specified by Port.\r
  The port is written Count times, and the write data is\r
  retrieved from the provided Buffer.\r
\r
  This function must guarantee that all I/O write and write operations are\r
  serialized.\r
\r
  If 16-bit I/O port operations are not supported, then ASSERT().\r
\r
  In TDX a serial of TdIoWrite16 is invoked to write data to the I/O port.\r
\r
  @param  Port    The I/O port to write.\r
  @param  Count   The number of times to write I/O port.\r
  @param  Buffer  The buffer to retrieve the write data from.\r
\r
**/\r
VOID\r
EFIAPI\r
TdIoWriteFifo16 (\r
  IN      UINTN  Port,\r
  IN      UINTN  Count,\r
  IN      VOID   *Buffer\r
  )\r
{\r
  ASSERT (FALSE);\r
}\r
\r
/**\r
  Reads a 32-bit I/O port fifo into a block of memory.\r
\r
  Reads the 32-bit I/O fifo port specified by Port.\r
  The port is read Count times, and the read data is\r
  stored in the provided Buffer.\r
\r
  This function must guarantee that all I/O read and write operations are\r
  serialized.\r
\r
  If 32-bit I/O port operations are not supported, then ASSERT().\r
\r
  In TDX a serial of TdIoRead32 is invoked to read data from the I/O port.\r
\r
  @param  Port    The I/O port to read.\r
  @param  Count   The number of times to read I/O port.\r
  @param  Buffer  The buffer to store the read data into.\r
\r
**/\r
VOID\r
EFIAPI\r
TdIoReadFifo32 (\r
  IN      UINTN  Port,\r
  IN      UINTN  Count,\r
  OUT     VOID   *Buffer\r
  )\r
{\r
  ASSERT (FALSE);\r
}\r
\r
/**\r
  Writes a block of memory into a 32-bit I/O port fifo.\r
\r
  Writes the 32-bit I/O fifo port specified by Port.\r
  The port is written Count times, and the write data is\r
  retrieved from the provided Buffer.\r
\r
  This function must guarantee that all I/O write and write operations are\r
  serialized.\r
\r
  If 32-bit I/O port operations are not supported, then ASSERT().\r
\r
  In TDX a serial of TdIoWrite32 is invoked to write data to the I/O port.\r
\r
  @param  Port    The I/O port to write.\r
  @param  Count   The number of times to write I/O port.\r
  @param  Buffer  The buffer to retrieve the write data from.\r
\r
**/\r
VOID\r
EFIAPI\r
TdIoWriteFifo32 (\r
  IN      UINTN  Port,\r
  IN      UINTN  Count,\r
  IN      VOID   *Buffer\r
  )\r
{\r
  ASSERT (FALSE);\r
}\r
Commit	Line	Data
ab9d7909 MX	1	/** @file\r
	2	Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>\r
	3	SPDX-License-Identifier: BSD-2-Clause-Patent\r
	4	\r
	5	**/\r
	6	\r
	7	#include <Library/BaseLib.h>\r
	8	#include "BaseIoLibIntrinsicInternal.h"\r
	9	#include "IoLibTdx.h"\r
	10	\r
	11	/**\r
	12	Check if it is Tdx guest.\r
	13	\r
	14	@return TRUE It is Tdx guest\r
	15	@return FALSE It is not Tdx guest\r
	16	\r
	17	**/\r
	18	BOOLEAN\r
	19	EFIAPI\r
	20	IsTdxGuest (\r
	21	VOID\r
	22	)\r
	23	{\r
	24	return FALSE;\r
	25	}\r
	26	\r
	27	/**\r
	28	Reads an 8-bit I/O port.\r
	29	\r
	30	TDVMCALL_IO is invoked to read I/O port.\r
	31	\r
	32	@param Port The I/O port to read.\r
	33	\r
	34	@return The value read.\r
	35	\r
	36	**/\r
	37	UINT8\r
	38	EFIAPI\r
	39	TdIoRead8 (\r
	40	IN UINTN Port\r
	41	)\r
	42	{\r
	43	ASSERT (FALSE);\r
	44	return 0;\r
	45	}\r
	46	\r
	47	/**\r
	48	Reads a 16-bit I/O port.\r
	49	\r
	50	TDVMCALL_IO is invoked to write I/O port.\r
	51	\r
	52	@param Port The I/O port to read.\r
	53	\r
	54	@return The value read.\r
	55	\r
	56	**/\r
	57	UINT16\r
	58	EFIAPI\r
	59	TdIoRead16 (\r
	60	IN UINTN Port\r
	61	)\r
	62	{\r
	63	ASSERT (FALSE);\r
	64	return 0;\r
65	}\r
66	\r
67	/**\r
68	Reads a 32-bit I/O port.\r
69	\r
70	TDVMCALL_IO is invoked to read I/O port.\r
71	\r
72	@param Port The I/O port to read.\r
73	\r
74	@return The value read.\r
75	\r
76	**/\r
77	UINT32\r
78	EFIAPI\r
79	TdIoRead32 (\r
80	IN UINTN Port\r
81	)\r
82	{\r
83	ASSERT (FALSE);\r
84	return 0;\r
85	}\r
86	\r
87	/**\r
88	Writes an 8-bit I/O port.\r
89	\r
90	TDVMCALL_IO is invoked to write I/O port.\r
91	\r
92	@param Port The I/O port to write.\r
93	@param Value The value to write to the I/O port.\r
94	\r
95	@return The value written the I/O port.\r
96	\r
97	**/\r
98	UINT8\r
99	EFIAPI\r
100	TdIoWrite8 (\r
101	IN UINTN Port,\r
102	IN UINT8 Value\r
103	)\r
104	{\r
105	ASSERT (FALSE);\r
106	return 0;\r
107	}\r
108	\r
109	/**\r
110	Writes a 16-bit I/O port.\r
111	\r
112	TDVMCALL_IO is invoked to write I/O port.\r
113	\r
114	@param Port The I/O port to write.\r
115	@param Value The value to write to the I/O port.\r
116	\r
117	@return The value written the I/O port.\r
118	\r
119	**/\r
120	UINT16\r
121	EFIAPI\r
122	TdIoWrite16 (\r
123	IN UINTN Port,\r
124	IN UINT16 Value\r
125	)\r
126	{\r
127	ASSERT (FALSE);\r
128	return 0;\r
129	}\r
130	\r
131	/**\r
132	Writes a 32-bit I/O port.\r
133	\r
134	TDVMCALL_IO is invoked to write I/O port.\r
135	\r
136	@param Port The I/O port to write.\r
137	@param Value The value to write to the I/O port.\r
138	\r
139	@return The value written the I/O port.\r
140	\r
141	**/\r
142	UINT32\r
143	EFIAPI\r
144	TdIoWrite32 (\r
145	IN UINTN Port,\r
146	IN UINT32 Value\r
147	)\r
148	{\r
149	ASSERT (FALSE);\r
150	return 0;\r
151	}\r
152	\r
153	/**\r
154	Reads an 8-bit MMIO register.\r
155	\r
156	TDVMCALL_MMIO is invoked to read MMIO registers.\r
157	\r
158	@param Address The MMIO register to read.\r
159	\r
160	@return The value read.\r
161	\r
162	**/\r
163	UINT8\r
164	EFIAPI\r
165	TdMmioRead8 (\r
166	IN UINTN Address\r
167	)\r
168	{\r
169	ASSERT (FALSE);\r
170	return 0;\r
171	}\r
172	\r
173	/**\r
174	Writes an 8-bit MMIO register.\r
175	\r
176	TDVMCALL_MMIO is invoked to read write registers.\r
177	\r
178	@param Address The MMIO register to write.\r
179	@param Value The value to write to the MMIO register.\r
180	\r
181	@return Value.\r
182	\r
183	**/\r
184	UINT8\r
185	EFIAPI\r
186	TdMmioWrite8 (\r
187	IN UINTN Address,\r
188	IN UINT8 Val\r
189	)\r
190	{\r
191	ASSERT (FALSE);\r
192	return 0;\r
193	}\r
194	\r
195	/**\r
196	Reads a 16-bit MMIO register.\r
197	\r
198	TDVMCALL_MMIO is invoked to read MMIO registers.\r
199	\r
200	@param Address The MMIO register to read.\r
201	\r
202	@return The value read.\r
203	\r
204	**/\r
205	UINT16\r
206	EFIAPI\r
207	TdMmioRead16 (\r
208	IN UINTN Address\r
209	)\r
210	{\r
211	ASSERT (FALSE);\r
212	return 0;\r
213	}\r
214	\r
215	/**\r
216	Writes a 16-bit MMIO register.\r
217	\r
218	TDVMCALL_MMIO is invoked to write MMIO registers.\r
219	\r
220	@param Address The MMIO register to write.\r
221	@param Value The value to write to the MMIO register.\r
222	\r
223	@return Value.\r
224	\r
225	**/\r
226	UINT16\r
227	EFIAPI\r
228	TdMmioWrite16 (\r
229	IN UINTN Address,\r
230	IN UINT16 Val\r
231	)\r
232	{\r
233	ASSERT (FALSE);\r
234	return 0;\r
235	}\r
236	\r
237	/**\r
238	Reads a 32-bit MMIO register.\r
239	\r
240	TDVMCALL_MMIO is invoked to read MMIO registers.\r
241	\r
242	@param Address The MMIO register to read.\r
243	\r
244	@return The value read.\r
245	\r
246	**/\r
247	UINT32\r
248	EFIAPI\r
249	TdMmioRead32 (\r
250	IN UINTN Address\r
251	)\r
252	{\r
253	ASSERT (FALSE);\r
254	return 0;\r
255	}\r
256	\r
257	/**\r
258	Writes a 32-bit MMIO register.\r
259	\r
260	TDVMCALL_MMIO is invoked to write MMIO registers.\r
261	\r
262	@param Address The MMIO register to write.\r
263	@param Value The value to write to the MMIO register.\r
264	\r
265	@return Value.\r
266	\r
267	**/\r
268	UINT32\r
269	EFIAPI\r
270	TdMmioWrite32 (\r
271	IN UINTN Address,\r
272	IN UINT32 Val\r
273	)\r
274	{\r
275	ASSERT (FALSE);\r
276	return 0;\r
277	}\r
278	\r
279	/**\r
280	Reads a 64-bit MMIO register.\r
281	\r
282	TDVMCALL_MMIO is invoked to read MMIO registers.\r
283	\r
284	@param Address The MMIO register to read.\r
285	\r
286	@return The value read.\r
287	\r
288	**/\r
289	UINT64\r
290	EFIAPI\r
291	TdMmioRead64 (\r
292	IN UINTN Address\r
293	)\r
294	{\r
295	ASSERT (FALSE);\r
296	return 0;\r
297	}\r
298	\r
299	/**\r
300	Writes a 64-bit MMIO register.\r
301	\r
302	TDVMCALL_MMIO is invoked to write MMIO registers.\r
303	\r
304	@param Address The MMIO register to write.\r
305	@param Value The value to write to the MMIO register.\r
306	\r
307	**/\r
308	UINT64\r
309	EFIAPI\r
310	TdMmioWrite64 (\r
311	IN UINTN Address,\r
312	IN UINT64 Value\r
313	)\r
314	{\r
315	ASSERT (FALSE);\r
316	return 0;\r
317	}\r
318	\r
319	/**\r
320	Reads an 8-bit I/O port fifo into a block of memory.\r
321	\r
322	Reads the 8-bit I/O fifo port specified by Port.\r
323	The port is read Count times, and the read data is\r
324	stored in the provided Buffer.\r
325	\r
326	This function must guarantee that all I/O read and write operations are\r
327	serialized.\r
328	\r
329	If 8-bit I/O port operations are not supported, then ASSERT().\r
330	\r
331	In TDX a serial of TdIoRead8 is invoked to read the I/O port fifo.\r
332	\r
333	@param Port The I/O port to read.\r
334	@param Count The number of times to read I/O port.\r
335	@param Buffer The buffer to store the read data into.\r
336	\r
337	**/\r
338	VOID\r
339	EFIAPI\r
340	TdIoReadFifo8 (\r
341	IN UINTN Port,\r
342	IN UINTN Count,\r
343	OUT VOID *Buffer\r
344	)\r
345	{\r
346	ASSERT (FALSE);\r
347	}\r
348	\r
349	/**\r
350	Writes a block of memory into an 8-bit I/O port fifo.\r
351	\r
352	Writes the 8-bit I/O fifo port specified by Port.\r
353	The port is written Count times, and the write data is\r
354	retrieved from the provided Buffer.\r
355	\r
356	This function must guarantee that all I/O write and write operations are\r
357	serialized.\r
358	\r
359	If 8-bit I/O port operations are not supported, then ASSERT().\r
360	\r
361	In TDX a serial of TdIoWrite8 is invoked to write data to the I/O port.\r
362	\r
363	@param Port The I/O port to write.\r
364	@param Count The number of times to write I/O port.\r
365	@param Buffer The buffer to retrieve the write data from.\r
366	\r
367	**/\r
368	VOID\r
369	EFIAPI\r
370	TdIoWriteFifo8 (\r
371	IN UINTN Port,\r
372	IN UINTN Count,\r
373	IN VOID *Buffer\r
374	)\r
375	{\r
376	ASSERT (FALSE);\r
377	}\r
378	\r
379	/**\r
380	Reads a 16-bit I/O port fifo into a block of memory.\r
381	\r
382	Reads the 16-bit I/O fifo port specified by Port.\r
383	The port is read Count times, and the read data is\r
384	stored in the provided Buffer.\r
385	\r
386	This function must guarantee that all I/O read and write operations are\r
387	serialized.\r
388	\r
389	If 16-bit I/O port operations are not supported, then ASSERT().\r
390	\r
391	In TDX a serial of TdIoRead16 is invoked to read data from the I/O port.\r
392	\r
393	@param Port The I/O port to read.\r
394	@param Count The number of times to read I/O port.\r
395	@param Buffer The buffer to store the read data into.\r
396	\r
397	**/\r
398	VOID\r
399	EFIAPI\r
400	TdIoReadFifo16 (\r
401	IN UINTN Port,\r
402	IN UINTN Count,\r
403	OUT VOID *Buffer\r
404	)\r
405	{\r
406	ASSERT (FALSE);\r
407	}\r
408	\r
409	/**\r
410	Writes a block of memory into a 16-bit I/O port fifo.\r
411	\r
412	Writes the 16-bit I/O fifo port specified by Port.\r
413	The port is written Count times, and the write data is\r
414	retrieved from the provided Buffer.\r
415	\r
416	This function must guarantee that all I/O write and write operations are\r
417	serialized.\r
418	\r
419	If 16-bit I/O port operations are not supported, then ASSERT().\r
420	\r
421	In TDX a serial of TdIoWrite16 is invoked to write data to the I/O port.\r
422	\r
423	@param Port The I/O port to write.\r
424	@param Count The number of times to write I/O port.\r
425	@param Buffer The buffer to retrieve the write data from.\r
426	\r
427	**/\r
428	VOID\r
429	EFIAPI\r
430	TdIoWriteFifo16 (\r
431	IN UINTN Port,\r
432	IN UINTN Count,\r
433	IN VOID *Buffer\r
434	)\r
435	{\r
436	ASSERT (FALSE);\r
437	}\r
438	\r
439	/**\r
440	Reads a 32-bit I/O port fifo into a block of memory.\r
441	\r
442	Reads the 32-bit I/O fifo port specified by Port.\r
443	The port is read Count times, and the read data is\r
444	stored in the provided Buffer.\r
445	\r
446	This function must guarantee that all I/O read and write operations are\r
447	serialized.\r
448	\r
449	If 32-bit I/O port operations are not supported, then ASSERT().\r
450	\r
451	In TDX a serial of TdIoRead32 is invoked to read data from the I/O port.\r
452	\r
453	@param Port The I/O port to read.\r
454	@param Count The number of times to read I/O port.\r
455	@param Buffer The buffer to store the read data into.\r
456	\r
457	**/\r
458	VOID\r
459	EFIAPI\r
460	TdIoReadFifo32 (\r
461	IN UINTN Port,\r
462	IN UINTN Count,\r
463	OUT VOID *Buffer\r
464	)\r
465	{\r
466	ASSERT (FALSE);\r
467	}\r
468	\r
469	/**\r
470	Writes a block of memory into a 32-bit I/O port fifo.\r
471	\r
472	Writes the 32-bit I/O fifo port specified by Port.\r
473	The port is written Count times, and the write data is\r
474	retrieved from the provided Buffer.\r
475	\r
476	This function must guarantee that all I/O write and write operations are\r
477	serialized.\r
478	\r
479	If 32-bit I/O port operations are not supported, then ASSERT().\r
480	\r
481	In TDX a serial of TdIoWrite32 is invoked to write data to the I/O port.\r
482	\r
483	@param Port The I/O port to write.\r
484	@param Count The number of times to write I/O port.\r
485	@param Buffer The buffer to retrieve the write data from.\r
486	\r
487	**/\r
488	VOID\r
489	EFIAPI\r
490	TdIoWriteFifo32 (\r
491	IN UINTN Port,\r
492	IN UINTN Count,\r
493	IN VOID *Buffer\r
494	)\r
495	{\r
496	ASSERT (FALSE);\r
497	}\r