platform/msm_shared/smem.h - kernel/lk - Gitiles

 /*
  * Copyright (c) 2009, Google Inc.
  * All rights reserved.
  *
  * Copyright (c) 2009-2012, Code Aurora Forum. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */

 #ifndef __PLATFORM_MSM_SHARED_SMEM_H
 #define __PLATFORM_MSM_SHARED_SMEM_H

 #include <sys/types.h>

 struct smem_proc_comm {
 	unsigned command;
 	unsigned status;
 	unsigned data1;
 	unsigned data2;
 };

 struct smem_heap_info {
 	unsigned initialized;
 	unsigned free_offset;
 	unsigned heap_remaining;
 	unsigned reserved;
 };

 struct smem_alloc_info {
 	unsigned allocated;
 	unsigned offset;
 	unsigned size;
 	unsigned reserved;
 };

 struct smem_board_info_v2 {
 	unsigned format;
 	unsigned msm_id;
 	unsigned msm_version;
 	char build_id[32];
 	unsigned raw_msm_id;
 	unsigned raw_msm_version;
 };

 typedef enum
 {
    PMIC_IS_PM6610,
    PMIC_IS_PM6620,
    PMIC_IS_PM6640,
    PMIC_IS_PM6650,
    PMIC_IS_PM7500,
    PMIC_IS_PANORAMIX,
    PMIC_IS_PM6652,
    PMIC_IS_PM6653,
    PMIC_IS_PM6658,
    PMIC_IS_EPIC,
    PMIC_IS_HAN,
    PMIC_IS_KIP,
    PMIC_IS_WOOKIE,
    PMIC_IS_PM8058,
    PMIC_IS_PM8028,
    PMIC_IS_PM8901,
    PMIC_IS_PM8027 ,
    PMIC_IS_ISL_9519,
    PMIC_IS_PM8921,
    PMIC_IS_PM8018,
    PMIC_IS_PM8015,
    PMIC_IS_PM8014,
    PMIC_IS_PM8821,
    PMIC_IS_PM8038,
    PMIC_IS_INVALID,
 } pm_model_type;

 struct smem_board_info_v3 {
 	unsigned format;
 	unsigned msm_id;
 	unsigned msm_version;
 	char build_id[32];
 	unsigned raw_msm_id;
 	unsigned raw_msm_version;
 	unsigned hw_platform;
 };

 struct smem_board_info_v4 {
 	struct smem_board_info_v3 board_info_v3;
 	unsigned platform_version;
 	unsigned buffer_align;	//Need for 8 bytes alignment while reading from shared memory.
 };

 struct smem_board_info_v5 {
 	struct smem_board_info_v3 board_info_v3;
 	unsigned platform_version;
 	unsigned fused_chip;
 };

 struct smem_board_info_v6 {
 	struct smem_board_info_v3 board_info_v3;
 	unsigned platform_version;
 	unsigned fused_chip;
 	unsigned platform_subtype;
 	unsigned buffer_align;	//Need for 8 bytes alignment while reading from shared memory.
 };

 struct smem_board_info_v7 {
 	struct smem_board_info_v3 board_info_v3;
 	unsigned platform_version;
 	unsigned fused_chip;
 	unsigned platform_subtype;
 	unsigned pmic_type;
 	unsigned pmic_version;
 	unsigned buffer_align;	//Need for 8 bytes alignment while reading from shared memory.
 };

 typedef struct {
 	unsigned key_len;
 	unsigned iv_len;
 	unsigned char key[32];
 	unsigned char iv[32];
 } boot_symmetric_key_info;

 typedef struct {
 	unsigned int update_status;
 	unsigned int bl_error_code;
 } boot_ssd_status;

 #if PLATFORM_MSM7X30

 typedef struct {
 	boot_symmetric_key_info key_info;
 	uint32_t boot_flags;
 	uint32_t boot_key_press[5];
 	uint32_t time_tick;
 	boot_ssd_status status;
 	uint8_t buff_align[4];
 } boot_info_for_apps;

 #elif PLATFORM_MSM7K

 typedef struct {
 	uint32_t apps_img_start_addr;
 	uint32_t boot_flags;
 	boot_ssd_status status;
 } boot_info_for_apps;

 #elif PLATFORM_MSM7X27A

 typedef struct {
 	uint32_t apps_img_start_addr;
 	uint32_t boot_flags;
 	boot_ssd_status status;
 	boot_symmetric_key_info key_info;
 	uint16_t boot_key_press[10];
 	uint32_t timetick;
 	uint8_t PAD[28];
 } boot_info_for_apps;

 #else

 /* Dummy structure to keep it for other targets */
 typedef struct {
 	uint32_t boot_flags;
 	boot_ssd_status status;
 } boot_info_for_apps;

 #endif

 /* chip information */
 enum {
 	UNKNOWN = 0,
 	MDM9200 = 57,
 	MDM9600 = 58,
 	MSM8260 = 70,
 	MSM8660 = 71,
 	APQ8060 = 86,
 	MSM8960 = 87,
 	MSM7225A = 88,
 	MSM7625A = 89,
 	MSM7227A = 90,
 	MSM7627A = 91,
 	ESM7227A = 92,
 	ESM7225A = 96,
 	ESM7627A = 97,
 	MSM7225AA = 98,
 	MSM7625AA = 99,
 	ESM7225AA = 100,
 	MSM7227AA = 101,
 	MSM7627AA = 102,
 	ESM7227AA = 103,
 	APQ8064 = 109,
 	MSM8930 = 116,
 	MSM8630 = 117,
 	MSM8230 = 118,
 	APQ8030 = 119,
 	MSM8627 = 120,
 	MSM8227 = 121,
 	MSM8660A = 122,
 	MSM8260A = 123,
 	APQ8060A = 124,
     MSM8974 = 126,
 	MSM8225 = 127,
 	MSM8625 = 129,
 	MPQ8064 = 130,
 	MSM7225AB = 131,
 	MSM7625AB = 132,
 	ESM7225AB = 133,
 	MDM9625   = 134,
 	MSM7125A  = 135,
 	MSM7127A  = 136,
 	MSM8930AA = 142,
 	MSM8630AA = 143,
 	MSM8230AA = 144,
 };

 enum platform {
 	HW_PLATFORM_UNKNOWN = 0,
 	HW_PLATFORM_SURF = 1,
 	HW_PLATFORM_FFA = 2,
 	HW_PLATFORM_FLUID = 3,
 	HW_PLATFORM_SVLTE = 4,
 	HW_PLATFORM_QT = 6,
 	HW_PLATFORM_MTP = 8,
 	HW_PLATFORM_LIQUID = 9,
 	HW_PLATFORM_DRAGON = 10,
 	HW_PLATFORM_HRD = 13,
 	HW_PLATFORM_DTV = 14,
     HW_PLATFORM_RUMI   = 15,
     HW_PLATFORM_VIRTIO = 16,
 	HW_PLATFORM_32BITS = 0x7FFFFFFF,
 };

 enum platform_subtype {
 	HW_PLATFORM_SUBTYPE_UNKNOWN = 0,
 	HW_PLATFORM_SUBTYPE_MDM = 1,
 	HW_PLATFORM_SUBTYPE_CSFB = 1,
 	HW_PLATFORM_SUBTYPE_SVLTE1 = 2,
 	HW_PLATFORM_SUBTYPE_SVLTE2A = 3,
 	HW_PLATFORM_SUBTYPE_SGLTE = 6,
 	HW_PLATFORM_SUBTYPE_32BITS = 0x7FFFFFFF
 };

 typedef enum {
 	SMEM_SPINLOCK_ARRAY = 7,

 	SMEM_AARM_PARTITION_TABLE = 9,

 	SMEM_APPS_BOOT_MODE = 106,

 	SMEM_BOARD_INFO_LOCATION = 137,

 	SMEM_USABLE_RAM_PARTITION_TABLE = 402,

 	SMEM_POWER_ON_STATUS_INFO = 403,

 	SMEM_RLOCK_AREA = 404,

 	SMEM_BOOT_INFO_FOR_APPS = 418,

 	SMEM_FIRST_VALID_TYPE = SMEM_SPINLOCK_ARRAY,
 	SMEM_LAST_VALID_TYPE = SMEM_BOOT_INFO_FOR_APPS,

 	SMEM_MAX_SIZE = SMEM_BOOT_INFO_FOR_APPS + 1,
 } smem_mem_type_t;

 /* Note: buf MUST be 4byte aligned, and max_len MUST be a multiple of 4. */
 unsigned smem_read_alloc_entry(smem_mem_type_t type, void *buf, int max_len);

 /* SMEM RAM Partition */
 enum {
 	DEFAULT_ATTRB = ~0x0,
 	READ_ONLY = 0x0,
 	READWRITE,
 };

 enum {
 	DEFAULT_CATEGORY = ~0x0,
 	SMI = 0x0,
 	EBI1,
 	EBI2,
 	QDSP6,
 	IRAM,
 	IMEM,
 	EBI0_CS0,
 	EBI0_CS1,
 	EBI1_CS0,
 	EBI1_CS1,
 	SDRAM = 0xE,
 };

 enum {
 	DEFAULT_DOMAIN = 0x0,
 	APPS_DOMAIN,
 	MODEM_DOMAIN,
 	SHARED_DOMAIN,
 };

 enum {
 	SYS_MEMORY = 1,		/* system memory */
 	BOOT_REGION_MEMORY1,	/* boot loader memory 1 */
 	BOOT_REGION_MEMORY2,	/* boot loader memory 2,reserved */
 	APPSBL_MEMORY,		/* apps boot loader memory */
 	APPS_MEMORY,		/* apps  usage memory */
 };

 struct smem {
 	struct smem_proc_comm proc_comm[4];
 	unsigned version_info[32];
 	struct smem_heap_info heap_info;
 	struct smem_alloc_info alloc_info[SMEM_MAX_SIZE];
 };

 struct smem_ram_ptn {
 	char name[16];
 	unsigned start;
 	unsigned size;

 	/* RAM Partition attribute: READ_ONLY, READWRITE etc.  */
 	unsigned attr;

 	/* RAM Partition category: EBI0, EBI1, IRAM, IMEM */
 	unsigned category;

 	/* RAM Partition domain: APPS, MODEM, APPS & MODEM (SHARED) etc. */
 	unsigned domain;

 	/* RAM Partition type: system, bootloader, appsboot, apps etc. */
 	unsigned type;

 	/* reserved for future expansion without changing version number */
 	unsigned reserved2, reserved3, reserved4, reserved5;
 } __attribute__ ((__packed__));

 struct smem_ram_ptable {
 #define _SMEM_RAM_PTABLE_MAGIC_1 0x9DA5E0A8
 #define _SMEM_RAM_PTABLE_MAGIC_2 0xAF9EC4E2
 	unsigned magic[2];
 	unsigned version;
 	unsigned reserved1;
 	unsigned len;
 	struct smem_ram_ptn parts[32];
 	unsigned buf;
 } __attribute__ ((__packed__));

 /* Power on reason/status info */
 #define PWR_ON_EVENT_RTC_ALARM 0x2
 #define PWR_ON_EVENT_USB_CHG   0x20
 #define PWR_ON_EVENT_WALL_CHG  0x40

 unsigned smem_read_alloc_entry_offset(smem_mem_type_t type, void *buf, int len,
 				      int offset);
 int smem_ram_ptable_init(struct smem_ram_ptable *smem_ram_ptable);

 #endif				/* __PLATFORM_MSM_SHARED_SMEM_H */
	/*
	* Copyright (c) 2009, Google Inc.
	* All rights reserved.
	*
	* Copyright (c) 2009-2012, Code Aurora Forum. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* * Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* * Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in
	* the documentation and/or other materials provided with the
	* distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
	* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
	* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
	* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
	* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
	* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
	* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.
	*/

	#ifndef __PLATFORM_MSM_SHARED_SMEM_H
	#define __PLATFORM_MSM_SHARED_SMEM_H

	#include <sys/types.h>

	struct smem_proc_comm {
	unsigned command;
	unsigned status;
	unsigned data1;
	unsigned data2;
	};

	struct smem_heap_info {
	unsigned initialized;
	unsigned free_offset;
	unsigned heap_remaining;
	unsigned reserved;
	};

	struct smem_alloc_info {
	unsigned allocated;
	unsigned offset;
	unsigned size;
	unsigned reserved;
	};

	struct smem_board_info_v2 {
	unsigned format;
	unsigned msm_id;
	unsigned msm_version;
	char build_id[32];
	unsigned raw_msm_id;
	unsigned raw_msm_version;
	};

	typedef enum
	{
	PMIC_IS_PM6610,
	PMIC_IS_PM6620,
	PMIC_IS_PM6640,
	PMIC_IS_PM6650,
	PMIC_IS_PM7500,
	PMIC_IS_PANORAMIX,
	PMIC_IS_PM6652,
	PMIC_IS_PM6653,
	PMIC_IS_PM6658,
	PMIC_IS_EPIC,
	PMIC_IS_HAN,
	PMIC_IS_KIP,
	PMIC_IS_WOOKIE,
	PMIC_IS_PM8058,
	PMIC_IS_PM8028,
	PMIC_IS_PM8901,
	PMIC_IS_PM8027 ,
	PMIC_IS_ISL_9519,
	PMIC_IS_PM8921,
	PMIC_IS_PM8018,
	PMIC_IS_PM8015,
	PMIC_IS_PM8014,
	PMIC_IS_PM8821,
	PMIC_IS_PM8038,
	PMIC_IS_INVALID,
	} pm_model_type;

	struct smem_board_info_v3 {
	unsigned format;
	unsigned msm_id;
	unsigned msm_version;
	char build_id[32];
	unsigned raw_msm_id;
	unsigned raw_msm_version;
	unsigned hw_platform;
	};

	struct smem_board_info_v4 {
	struct smem_board_info_v3 board_info_v3;
	unsigned platform_version;
	unsigned buffer_align; //Need for 8 bytes alignment while reading from shared memory.
	};

	struct smem_board_info_v5 {
	struct smem_board_info_v3 board_info_v3;
	unsigned platform_version;
	unsigned fused_chip;
	};

	struct smem_board_info_v6 {
	struct smem_board_info_v3 board_info_v3;
	unsigned platform_version;
	unsigned fused_chip;
	unsigned platform_subtype;
	unsigned buffer_align; //Need for 8 bytes alignment while reading from shared memory.
	};

	struct smem_board_info_v7 {
	struct smem_board_info_v3 board_info_v3;
	unsigned platform_version;
	unsigned fused_chip;
	unsigned platform_subtype;
	unsigned pmic_type;
	unsigned pmic_version;
	unsigned buffer_align; //Need for 8 bytes alignment while reading from shared memory.
	};

	typedef struct {
	unsigned key_len;
	unsigned iv_len;
	unsigned char key[32];
	unsigned char iv[32];
	} boot_symmetric_key_info;

	typedef struct {
	unsigned int update_status;
	unsigned int bl_error_code;
	} boot_ssd_status;

	#if PLATFORM_MSM7X30

	typedef struct {
	boot_symmetric_key_info key_info;
	uint32_t boot_flags;
	uint32_t boot_key_press[5];
	uint32_t time_tick;
	boot_ssd_status status;
	uint8_t buff_align[4];
	} boot_info_for_apps;

	#elif PLATFORM_MSM7K

	typedef struct {
	uint32_t apps_img_start_addr;
	uint32_t boot_flags;
	boot_ssd_status status;
	} boot_info_for_apps;

	#elif PLATFORM_MSM7X27A

	typedef struct {
	uint32_t apps_img_start_addr;
	uint32_t boot_flags;
	boot_ssd_status status;
	boot_symmetric_key_info key_info;
	uint16_t boot_key_press[10];
	uint32_t timetick;
	uint8_t PAD[28];
	} boot_info_for_apps;

	#else

	/* Dummy structure to keep it for other targets */
	typedef struct {
	uint32_t boot_flags;
	boot_ssd_status status;
	} boot_info_for_apps;

	#endif

	/* chip information */
	enum {
	UNKNOWN = 0,
	MDM9200 = 57,
	MDM9600 = 58,
	MSM8260 = 70,
	MSM8660 = 71,
	APQ8060 = 86,
	MSM8960 = 87,
	MSM7225A = 88,
	MSM7625A = 89,
	MSM7227A = 90,
	MSM7627A = 91,
	ESM7227A = 92,
	ESM7225A = 96,
	ESM7627A = 97,
	MSM7225AA = 98,
	MSM7625AA = 99,
	ESM7225AA = 100,
	MSM7227AA = 101,
	MSM7627AA = 102,
	ESM7227AA = 103,
	APQ8064 = 109,
	MSM8930 = 116,
	MSM8630 = 117,
	MSM8230 = 118,
	APQ8030 = 119,
	MSM8627 = 120,
	MSM8227 = 121,
	MSM8660A = 122,
	MSM8260A = 123,
	APQ8060A = 124,
	MSM8974 = 126,
	MSM8225 = 127,
	MSM8625 = 129,
	MPQ8064 = 130,
	MSM7225AB = 131,
	MSM7625AB = 132,
	ESM7225AB = 133,
	MDM9625 = 134,
	MSM7125A = 135,
	MSM7127A = 136,
	MSM8930AA = 142,
	MSM8630AA = 143,
	MSM8230AA = 144,
	};

	enum platform {
	HW_PLATFORM_UNKNOWN = 0,
	HW_PLATFORM_SURF = 1,
	HW_PLATFORM_FFA = 2,
	HW_PLATFORM_FLUID = 3,
	HW_PLATFORM_SVLTE = 4,
	HW_PLATFORM_QT = 6,
	HW_PLATFORM_MTP = 8,
	HW_PLATFORM_LIQUID = 9,
	HW_PLATFORM_DRAGON = 10,
	HW_PLATFORM_HRD = 13,
	HW_PLATFORM_DTV = 14,
	HW_PLATFORM_RUMI = 15,
	HW_PLATFORM_VIRTIO = 16,
	HW_PLATFORM_32BITS = 0x7FFFFFFF,
	};

	enum platform_subtype {
	HW_PLATFORM_SUBTYPE_UNKNOWN = 0,
	HW_PLATFORM_SUBTYPE_MDM = 1,
	HW_PLATFORM_SUBTYPE_CSFB = 1,
	HW_PLATFORM_SUBTYPE_SVLTE1 = 2,
	HW_PLATFORM_SUBTYPE_SVLTE2A = 3,
	HW_PLATFORM_SUBTYPE_SGLTE = 6,
	HW_PLATFORM_SUBTYPE_32BITS = 0x7FFFFFFF
	};

	typedef enum {
	SMEM_SPINLOCK_ARRAY = 7,

	SMEM_AARM_PARTITION_TABLE = 9,

	SMEM_APPS_BOOT_MODE = 106,

	SMEM_BOARD_INFO_LOCATION = 137,

	SMEM_USABLE_RAM_PARTITION_TABLE = 402,

	SMEM_POWER_ON_STATUS_INFO = 403,

	SMEM_RLOCK_AREA = 404,

	SMEM_BOOT_INFO_FOR_APPS = 418,

	SMEM_FIRST_VALID_TYPE = SMEM_SPINLOCK_ARRAY,
	SMEM_LAST_VALID_TYPE = SMEM_BOOT_INFO_FOR_APPS,

	SMEM_MAX_SIZE = SMEM_BOOT_INFO_FOR_APPS + 1,
	} smem_mem_type_t;

	/* Note: buf MUST be 4byte aligned, and max_len MUST be a multiple of 4. */
	unsigned smem_read_alloc_entry(smem_mem_type_t type, void *buf, int max_len);

	/* SMEM RAM Partition */
	enum {
	DEFAULT_ATTRB = ~0x0,
	READ_ONLY = 0x0,
	READWRITE,
	};

	enum {
	DEFAULT_CATEGORY = ~0x0,
	SMI = 0x0,
	EBI1,
	EBI2,
	QDSP6,
	IRAM,
	IMEM,
	EBI0_CS0,
	EBI0_CS1,
	EBI1_CS0,
	EBI1_CS1,
	SDRAM = 0xE,
	};

	enum {
	DEFAULT_DOMAIN = 0x0,
	APPS_DOMAIN,
	MODEM_DOMAIN,
	SHARED_DOMAIN,
	};

	enum {
	SYS_MEMORY = 1, /* system memory */
	BOOT_REGION_MEMORY1, /* boot loader memory 1 */
	BOOT_REGION_MEMORY2, /* boot loader memory 2,reserved */
	APPSBL_MEMORY, /* apps boot loader memory */
	APPS_MEMORY, /* apps usage memory */
	};

	struct smem {
	struct smem_proc_comm proc_comm[4];
	unsigned version_info[32];
	struct smem_heap_info heap_info;
	struct smem_alloc_info alloc_info[SMEM_MAX_SIZE];
	};

	struct smem_ram_ptn {
	char name[16];
	unsigned start;
	unsigned size;

	/* RAM Partition attribute: READ_ONLY, READWRITE etc. */
	unsigned attr;

	/* RAM Partition category: EBI0, EBI1, IRAM, IMEM */
	unsigned category;

	/* RAM Partition domain: APPS, MODEM, APPS & MODEM (SHARED) etc. */
	unsigned domain;

	/* RAM Partition type: system, bootloader, appsboot, apps etc. */
	unsigned type;

	/* reserved for future expansion without changing version number */
	unsigned reserved2, reserved3, reserved4, reserved5;
	} __attribute__ ((__packed__));

	struct smem_ram_ptable {
	#define _SMEM_RAM_PTABLE_MAGIC_1 0x9DA5E0A8
	#define _SMEM_RAM_PTABLE_MAGIC_2 0xAF9EC4E2
	unsigned magic[2];
	unsigned version;
	unsigned reserved1;
	unsigned len;
	struct smem_ram_ptn parts[32];
	unsigned buf;
	} __attribute__ ((__packed__));

	/* Power on reason/status info */
	#define PWR_ON_EVENT_RTC_ALARM 0x2
	#define PWR_ON_EVENT_USB_CHG 0x20
	#define PWR_ON_EVENT_WALL_CHG 0x40

	unsigned smem_read_alloc_entry_offset(smem_mem_type_t type, void *buf, int len,
	int offset);
	int smem_ram_ptable_init(struct smem_ram_ptable *smem_ram_ptable);

	#endif /* __PLATFORM_MSM_SHARED_SMEM_H */