[deliverable/linux.git] / drivers / acpi / apei / apei-internal.h

/*
 * apei-internal.h - ACPI Platform Error Interface internal
 * definations.
 */

#ifndef APEI_INTERNAL_H
#define APEI_INTERNAL_H

struct apei_exec_context;

typedef int (*apei_exec_ins_func_t)(struct apei_exec_context *ctx,
				    struct acpi_whea_header *entry);

#define APEI_EXEC_INS_ACCESS_REGISTER	0x0001

struct apei_exec_ins_type {
	u32 flags;
	apei_exec_ins_func_t run;
};

struct apei_exec_context {
	u32 ip;
	u64 value;
	u64 var1;
	u64 var2;
	u64 src_base;
	u64 dst_base;
	struct apei_exec_ins_type *ins_table;
	u32 instructions;
	struct acpi_whea_header *action_table;
	u32 entries;
};

void apei_exec_ctx_init(struct apei_exec_context *ctx,
			struct apei_exec_ins_type *ins_table,
			u32 instructions,
			struct acpi_whea_header *action_table,
			u32 entries);

static inline void apei_exec_ctx_set_input(struct apei_exec_context *ctx,
					   u64 input)
{
	ctx->value = input;
}

static inline u64 apei_exec_ctx_get_output(struct apei_exec_context *ctx)
{
	return ctx->value;
}

int apei_exec_run(struct apei_exec_context *ctx, u8 action);

/* Common instruction implementation */

/* IP has been set in instruction function */
#define APEI_EXEC_SET_IP	1

int __apei_exec_read_register(struct acpi_whea_header *entry, u64 *val);
int __apei_exec_write_register(struct acpi_whea_header *entry, u64 val);
int apei_exec_read_register(struct apei_exec_context *ctx,
			    struct acpi_whea_header *entry);
int apei_exec_read_register_value(struct apei_exec_context *ctx,
				  struct acpi_whea_header *entry);
int apei_exec_write_register(struct apei_exec_context *ctx,
			     struct acpi_whea_header *entry);
int apei_exec_write_register_value(struct apei_exec_context *ctx,
				   struct acpi_whea_header *entry);
int apei_exec_noop(struct apei_exec_context *ctx,
		   struct acpi_whea_header *entry);
int apei_exec_pre_map_gars(struct apei_exec_context *ctx);
int apei_exec_post_unmap_gars(struct apei_exec_context *ctx);

struct apei_resources {
	struct list_head iomem;
	struct list_head ioport;
};

static inline void apei_resources_init(struct apei_resources *resources)
{
	INIT_LIST_HEAD(&resources->iomem);
	INIT_LIST_HEAD(&resources->ioport);
}

void apei_resources_fini(struct apei_resources *resources);
int apei_resources_sub(struct apei_resources *resources1,
		       struct apei_resources *resources2);
int apei_resources_request(struct apei_resources *resources,
			   const char *desc);
void apei_resources_release(struct apei_resources *resources);
int apei_exec_collect_resources(struct apei_exec_context *ctx,
				struct apei_resources *resources);

struct dentry;
struct dentry *apei_get_debugfs_dir(void);
#endif
Commit	Line	Data
a643ce20 HY	1	/*
	2	* apei-internal.h - ACPI Platform Error Interface internal
	3	* definations.
	4	*/
	5
	6	#ifndef APEI_INTERNAL_H
	7	#define APEI_INTERNAL_H
	8
	9	struct apei_exec_context;
	10
	11	typedef int (apei_exec_ins_func_t)(struct apei_exec_context ctx,
	12	struct acpi_whea_header *entry);
	13
	14	#define APEI_EXEC_INS_ACCESS_REGISTER 0x0001
	15
	16	struct apei_exec_ins_type {
	17	u32 flags;
	18	apei_exec_ins_func_t run;
	19	};
	20
	21	struct apei_exec_context {
	22	u32 ip;
	23	u64 value;
	24	u64 var1;
	25	u64 var2;
	26	u64 src_base;
	27	u64 dst_base;
	28	struct apei_exec_ins_type *ins_table;
	29	u32 instructions;
	30	struct acpi_whea_header *action_table;
	31	u32 entries;
	32	};
	33
	34	void apei_exec_ctx_init(struct apei_exec_context *ctx,
	35	struct apei_exec_ins_type *ins_table,
	36	u32 instructions,
	37	struct acpi_whea_header *action_table,
	38	u32 entries);
	39
	40	static inline void apei_exec_ctx_set_input(struct apei_exec_context *ctx,
	41	u64 input)
	42	{
	43	ctx->value = input;
	44	}
	45
	46	static inline u64 apei_exec_ctx_get_output(struct apei_exec_context *ctx)
	47	{
	48	return ctx->value;
	49	}
	50
	51	int apei_exec_run(struct apei_exec_context *ctx, u8 action);
	52
	53	/* Common instruction implementation */
	54
	55	/* IP has been set in instruction function */
	56	#define APEI_EXEC_SET_IP 1
	57
	58	int __apei_exec_read_register(struct acpi_whea_header entry, u64 val);
	59	int __apei_exec_write_register(struct acpi_whea_header *entry, u64 val);
	60	int apei_exec_read_register(struct apei_exec_context *ctx,
	61	struct acpi_whea_header *entry);
	62	int apei_exec_read_register_value(struct apei_exec_context *ctx,
	63	struct acpi_whea_header *entry);
	64	int apei_exec_write_register(struct apei_exec_context *ctx,
65	struct acpi_whea_header *entry);
66	int apei_exec_write_register_value(struct apei_exec_context *ctx,
67	struct acpi_whea_header *entry);
68	int apei_exec_noop(struct apei_exec_context *ctx,
69	struct acpi_whea_header *entry);
70	int apei_exec_pre_map_gars(struct apei_exec_context *ctx);
71	int apei_exec_post_unmap_gars(struct apei_exec_context *ctx);
72
73	struct apei_resources {
74	struct list_head iomem;
75	struct list_head ioport;
76	};
77
78	static inline void apei_resources_init(struct apei_resources *resources)
79	{
80	INIT_LIST_HEAD(&resources->iomem);
81	INIT_LIST_HEAD(&resources->ioport);
82	}
83
84	void apei_resources_fini(struct apei_resources *resources);
85	int apei_resources_sub(struct apei_resources *resources1,
86	struct apei_resources *resources2);
87	int apei_resources_request(struct apei_resources *resources,
88	const char *desc);
89	void apei_resources_release(struct apei_resources *resources);
90	int apei_exec_collect_resources(struct apei_exec_context *ctx,
91	struct apei_resources *resources);
92
93	struct dentry;
94	struct dentry *apei_get_debugfs_dir(void);
95	#endif