[mirror_edk2.git] / MdeModulePkg / Universal / Acpi / S3SaveStateDxe / InternalS3SaveState.h

/** @file\r
  Internal header file for S3 Boot Script Saver state driver.\r
\r
  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef _INTERNAL_S3_SAVE_STATE_H_\r
#define _INTERNAL_S3_SAVE_STATE_H_\r
#include <PiDxe.h>\r
\r
#include <Protocol/S3SaveState.h>\r
\r
#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/UefiDriverEntryPoint.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/UefiRuntimeServicesTableLib.h>\r
#include <Library/S3BootScriptLib.h>\r
#include <Library/SmbusLib.h>\r
#include <Library/PcdLib.h>\r
#include <IndustryStandard/SmBus.h>\r
#include <Guid/EventGroup.h>\r
\r
/**\r
  Callback function executed when the EndOfDxe event group is signaled.\r
\r
  @param[in] Event      Event whose notification function is being invoked.\r
  @param[in] Context    The pointer to the notification function's context, which\r
                        is implementation-dependent.\r
**/\r
VOID\r
EFIAPI\r
AcpiS3ContextSaveOnEndOfDxe (\r
  IN EFI_EVENT  Event,\r
  IN VOID       *Context\r
  );\r
\r
/**\r
  Adds a record into S3 boot script table.\r
\r
  This function is used to store a boot script record into a given boot\r
  script table. If the table specified by TableName is nonexistent in the\r
  system, a new table will automatically be created and then the script record\r
  will be added into the new table. This function is responsible for allocating\r
  necessary memory for the script.\r
\r
  This function has a variable parameter list. The exact parameter list depends on\r
  the OpCode that is passed into the function. If an unsupported OpCode or illegal\r
  parameter list is passed in, this function returns EFI_INVALID_PARAMETER.\r
  If there are not enough resources available for storing more scripts, this function returns\r
  EFI_OUT_OF_RESOURCES.\r
\r
  @param  This                  A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.\r
  @param  OpCode                The operation code (opcode) number.\r
  @param  ...                   Argument list that is specific to each opcode.\r
\r
  @retval EFI_SUCCESS           The operation succeeded. A record was added into the\r
                                specified script table.\r
  @retval EFI_INVALID_PARAMETER The parameter is illegal or the given boot script is not supported.\r
                                If the opcode is unknow or not supported because of the PCD\r
                                Feature Flags.\r
  @retval EFI_OUT_OF_RESOURCES  There is insufficient memory to store the boot script.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
BootScriptWrite (\r
  IN CONST EFI_S3_SAVE_STATE_PROTOCOL  *This,\r
  IN       UINTN                       OpCode,\r
  ...\r
  );\r
\r
/**\r
  Insert a record into a specified Framework boot script table.\r
\r
  This function is used to store an OpCode to be replayed as part of the S3 resume boot path. It is\r
  assumed this protocol has platform specific mechanism to store the OpCode set and replay them\r
  during the S3 resume.\r
  The opcode is inserted before or after the specified position in the boot script table. If Position is\r
  NULL then that position is after the last opcode in the table (BeforeOrAfter is FALSE) or before\r
  the first opcode in the table (BeforeOrAfter is TRUE). The position which is pointed to by\r
  Position upon return can be used for subsequent insertions.\r
\r
  @param  This                  A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.\r
  @param  BeforeOrAfter         Specifies whether the opcode is stored before (TRUE) or after (FALSE) the position\r
                                in the boot script table specified by Position. If Position is NULL or points to\r
                                NULL then the new opcode is inserted at the beginning of the table (if TRUE) or end\r
                                of the table (if FALSE).\r
  @param  Position              On entry, specifies the position in the boot script table where the opcode will be\r
                                inserted, either before or after, depending on BeforeOrAfter. On exit, specifies\r
                                the position of the inserted opcode in the boot script table.\r
  @param  OpCode                The operation code (opcode) number.\r
  @param  ...                   Argument list that is specific to each opcode.\r
\r
  @retval EFI_SUCCESS           The operation succeeded. A record was added into the\r
                                specified script table.\r
  @retval EFI_INVALID_PARAMETER The Opcode is an invalid opcode value or the Position is not a valid position in the boot script table..\r
  @retval EFI_OUT_OF_RESOURCES  There is insufficient memory to store the boot script.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
BootScriptInsert (\r
  IN CONST EFI_S3_SAVE_STATE_PROTOCOL   *This,\r
  IN       BOOLEAN                      BeforeOrAfter,\r
  IN OUT   EFI_S3_BOOT_SCRIPT_POSITION  *Position OPTIONAL,\r
  IN       UINTN                        OpCode,\r
  ...\r
  );\r
\r
/**\r
  Find a label within the boot script table and, if not present, optionally create it.\r
\r
  If the label Label is already exists in the boot script table, then no new label is created, the\r
  position of the Label is returned in *Position and EFI_SUCCESS is returned.\r
  If the label Label does not already exist and CreateIfNotFound is TRUE, then it will be\r
  created before or after the specified position and EFI_SUCCESS is returned.\r
  If the label Label does not already exist and CreateIfNotFound is FALSE, then\r
  EFI_NOT_FOUND is returned.\r
\r
  @param  This                  A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.\r
  @param  BeforeOrAfter         Specifies whether the label is stored before (TRUE) or after (FALSE) the position in\r
                                the boot script table specified by Position. If Position is NULL or points to\r
                                NULL then the new label is inserted at the beginning of the table (if TRUE) or end of\r
                                the table (if FALSE).\r
  @param  CreateIfNotFound      Specifies whether the label will be created if the label does not exists (TRUE) or not\r
                                (FALSE).\r
  @param  Position              On entry, specifies the position in the boot script table where the label will be inserted,\r
                                either before or after, depending on BeforeOrAfter. On exit, specifies the position\r
                                of the inserted label in the boot script table.\r
  @param  Label                 Points to the label which will be inserted in the boot script table.\r
\r
  @retval EFI_SUCCESS           The label already exists or was inserted.\r
  @retval EFI_INVALID_PARAMETER The Opcode is an invalid opcode value or the Position is not a valid position in the boot script table..\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
BootScriptLabel (\r
  IN CONST EFI_S3_SAVE_STATE_PROTOCOL   *This,\r
  IN       BOOLEAN                      BeforeOrAfter,\r
  IN       BOOLEAN                      CreateIfNotFound,\r
  IN OUT   EFI_S3_BOOT_SCRIPT_POSITION  *Position OPTIONAL,\r
  IN CONST CHAR8                        *Label\r
  );\r
\r
/**\r
  Compare two positions in the boot script table and return their relative position.\r
\r
  This function compares two positions in the boot script table and returns their relative positions. If\r
  Position1 is before Position2, then -1 is returned. If Position1 is equal to Position2,\r
  then 0 is returned. If Position1 is after Position2, then 1 is returned.\r
\r
  @param  This                  A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.\r
  @param  Position1             The positions in the boot script table to compare\r
  @param  Position2             The positions in the boot script table to compare\r
  @param  RelativePosition      On return, points to the result of the comparison\r
\r
  @retval EFI_SUCCESS           The operation succeeded.\r
  @retval EFI_INVALID_PARAMETER The Position1 or Position2 is not a valid position in the boot script table.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
BootScriptCompare (\r
  IN CONST EFI_S3_SAVE_STATE_PROTOCOL   *This,\r
  IN       EFI_S3_BOOT_SCRIPT_POSITION  Position1,\r
  IN       EFI_S3_BOOT_SCRIPT_POSITION  Position2,\r
  OUT      UINTN                        *RelativePosition\r
  );\r
\r
#endif //_INTERNAL_S3_SAVE_STATE_H_\r
Commit	Line	Data
bdfde462	1	/** @file\r
	2	Internal header file for S3 Boot Script Saver state driver.\r
	3	\r
d1102dba	4	Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
bdfde462	5	\r
9d510e61	6	SPDX-License-Identifier: BSD-2-Clause-Patent\r
bdfde462	7	\r
bdfde462	8	**/\r
1436aea4	9	\r
bdfde462	10	#ifndef _INTERNAL_S3_SAVE_STATE_H_\r
	11	#define _INTERNAL_S3_SAVE_STATE_H_\r
	12	#include <PiDxe.h>\r
	13	\r
	14	#include <Protocol/S3SaveState.h>\r
	15	\r
	16	#include <Library/BaseLib.h>\r
	17	#include <Library/DebugLib.h>\r
	18	#include <Library/UefiDriverEntryPoint.h>\r
	19	#include <Library/UefiBootServicesTableLib.h>\r
	20	#include <Library/UefiRuntimeServicesTableLib.h>\r
	21	#include <Library/S3BootScriptLib.h>\r
bdfde462	22	#include <Library/SmbusLib.h>\r
125e0938	23	#include <Library/PcdLib.h>\r
bdfde462	24	#include <IndustryStandard/SmBus.h>\r
bd890a73 SZ	25	#include <Guid/EventGroup.h>\r
	26	\r
	27	/**\r
	28	Callback function executed when the EndOfDxe event group is signaled.\r
	29	\r
	30	@param[in] Event Event whose notification function is being invoked.\r
	31	@param[in] Context The pointer to the notification function's context, which\r
	32	is implementation-dependent.\r
	33	**/\r
	34	VOID\r
	35	EFIAPI\r
	36	AcpiS3ContextSaveOnEndOfDxe (\r
	37	IN EFI_EVENT Event,\r
	38	IN VOID *Context\r
	39	);\r
	40	\r
bdfde462	41	/**\r
	42	Adds a record into S3 boot script table.\r
	43	\r
	44	This function is used to store a boot script record into a given boot\r
d1102dba LG	45	script table. If the table specified by TableName is nonexistent in the\r
	46	system, a new table will automatically be created and then the script record\r
	47	will be added into the new table. This function is responsible for allocating\r
bdfde462	48	necessary memory for the script.\r
bdfde462	49	\r
d1102dba LG	50	This function has a variable parameter list. The exact parameter list depends on\r
d1102dba LG	51	the OpCode that is passed into the function. If an unsupported OpCode or illegal\r
bdfde462	52	parameter list is passed in, this function returns EFI_INVALID_PARAMETER.\r
	53	If there are not enough resources available for storing more scripts, this function returns\r
	54	EFI_OUT_OF_RESOURCES.\r
	55	\r
	56	@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.\r
	57	@param OpCode The operation code (opcode) number.\r
d1102dba	58	@param ... Argument list that is specific to each opcode.\r
bdfde462	59	\r
	60	@retval EFI_SUCCESS The operation succeeded. A record was added into the\r
	61	specified script table.\r
	62	@retval EFI_INVALID_PARAMETER The parameter is illegal or the given boot script is not supported.\r
d1102dba	63	If the opcode is unknow or not supported because of the PCD\r
bdfde462	64	Feature Flags.\r
	65	@retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script.\r
	66	\r
	67	**/\r
	68	EFI_STATUS\r
	69	EFIAPI\r
	70	BootScriptWrite (\r
1436aea4 MK	71	IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,\r
1436aea4 MK	72	IN UINTN OpCode,\r
bdfde462	73	...\r
bdfde462	74	);\r
1436aea4	75	\r
bdfde462	76	/**\r
	77	Insert a record into a specified Framework boot script table.\r
	78	\r
	79	This function is used to store an OpCode to be replayed as part of the S3 resume boot path. It is\r
	80	assumed this protocol has platform specific mechanism to store the OpCode set and replay them\r
	81	during the S3 resume.\r
	82	The opcode is inserted before or after the specified position in the boot script table. If Position is\r
	83	NULL then that position is after the last opcode in the table (BeforeOrAfter is FALSE) or before\r
	84	the first opcode in the table (BeforeOrAfter is TRUE). The position which is pointed to by\r
	85	Position upon return can be used for subsequent insertions.\r
	86	\r
	87	@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.\r
	88	@param BeforeOrAfter Specifies whether the opcode is stored before (TRUE) or after (FALSE) the position\r
	89	in the boot script table specified by Position. If Position is NULL or points to\r
	90	NULL then the new opcode is inserted at the beginning of the table (if TRUE) or end\r
	91	of the table (if FALSE).\r
	92	@param Position On entry, specifies the position in the boot script table where the opcode will be\r
	93	inserted, either before or after, depending on BeforeOrAfter. On exit, specifies\r
	94	the position of the inserted opcode in the boot script table.\r
	95	@param OpCode The operation code (opcode) number.\r
d1102dba	96	@param ... Argument list that is specific to each opcode.\r
bdfde462	97	\r
	98	@retval EFI_SUCCESS The operation succeeded. A record was added into the\r
	99	specified script table.\r
	100	@retval EFI_INVALID_PARAMETER The Opcode is an invalid opcode value or the Position is not a valid position in the boot script table..\r
	101	@retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script.\r
	102	\r
	103	**/\r
	104	EFI_STATUS\r
	105	EFIAPI\r
	106	BootScriptInsert (\r
1436aea4 MK	107	IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,\r
	108	IN BOOLEAN BeforeOrAfter,\r
	109	IN OUT EFI_S3_BOOT_SCRIPT_POSITION *Position OPTIONAL,\r
	110	IN UINTN OpCode,\r
bdfde462	111	...\r
bdfde462	112	);\r
1436aea4	113	\r
bdfde462	114	/**\r
	115	Find a label within the boot script table and, if not present, optionally create it.\r
	116	\r
	117	If the label Label is already exists in the boot script table, then no new label is created, the\r
	118	position of the Label is returned in *Position and EFI_SUCCESS is returned.\r
	119	If the label Label does not already exist and CreateIfNotFound is TRUE, then it will be\r
	120	created before or after the specified position and EFI_SUCCESS is returned.\r
	121	If the label Label does not already exist and CreateIfNotFound is FALSE, then\r
	122	EFI_NOT_FOUND is returned.\r
	123	\r
	124	@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.\r
	125	@param BeforeOrAfter Specifies whether the label is stored before (TRUE) or after (FALSE) the position in\r
	126	the boot script table specified by Position. If Position is NULL or points to\r
	127	NULL then the new label is inserted at the beginning of the table (if TRUE) or end of\r
	128	the table (if FALSE).\r
	129	@param CreateIfNotFound Specifies whether the label will be created if the label does not exists (TRUE) or not\r
	130	(FALSE).\r
	131	@param Position On entry, specifies the position in the boot script table where the label will be inserted,\r
	132	either before or after, depending on BeforeOrAfter. On exit, specifies the position\r
	133	of the inserted label in the boot script table.\r
	134	@param Label Points to the label which will be inserted in the boot script table.\r
	135	\r
	136	@retval EFI_SUCCESS The label already exists or was inserted.\r
	137	@retval EFI_INVALID_PARAMETER The Opcode is an invalid opcode value or the Position is not a valid position in the boot script table..\r
d1102dba	138	\r
bdfde462	139	**/\r
	140	EFI_STATUS\r
	141	EFIAPI\r
	142	BootScriptLabel (\r
1436aea4 MK	143	IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,\r
	144	IN BOOLEAN BeforeOrAfter,\r
	145	IN BOOLEAN CreateIfNotFound,\r
	146	IN OUT EFI_S3_BOOT_SCRIPT_POSITION *Position OPTIONAL,\r
	147	IN CONST CHAR8 *Label\r
bdfde462	148	);\r
1436aea4	149	\r
bdfde462	150	/**\r
bdfde462	151	Compare two positions in the boot script table and return their relative position.\r
d1102dba	152	\r
bdfde462	153	This function compares two positions in the boot script table and returns their relative positions. If\r
	154	Position1 is before Position2, then -1 is returned. If Position1 is equal to Position2,\r
	155	then 0 is returned. If Position1 is after Position2, then 1 is returned.\r
d1102dba	156	\r
bdfde462	157	@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.\r
	158	@param Position1 The positions in the boot script table to compare\r
	159	@param Position2 The positions in the boot script table to compare\r
	160	@param RelativePosition On return, points to the result of the comparison\r
	161	\r
d1102dba	162	@retval EFI_SUCCESS The operation succeeded.\r
bdfde462	163	@retval EFI_INVALID_PARAMETER The Position1 or Position2 is not a valid position in the boot script table.\r
	164	\r
	165	**/\r
	166	EFI_STATUS\r
d1102dba	167	EFIAPI\r
bdfde462	168	BootScriptCompare (\r
1436aea4 MK	169	IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,\r
	170	IN EFI_S3_BOOT_SCRIPT_POSITION Position1,\r
	171	IN EFI_S3_BOOT_SCRIPT_POSITION Position2,\r
	172	OUT UINTN *RelativePosition\r
bdfde462	173	);\r
d1102dba	174	\r
bdfde462	175	#endif //_INTERNAL_S3_SAVE_STATE_H_\r