144 строки
4.1 KiB
C
144 строки
4.1 KiB
C
/*
|
|
* apei-internal.h - ACPI Platform Error Interface internal
|
|
* definations.
|
|
*/
|
|
|
|
#ifndef APEI_INTERNAL_H
|
|
#define APEI_INTERNAL_H
|
|
|
|
#include <linux/cper.h>
|
|
#include <linux/acpi.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, bool optional);
|
|
|
|
static inline int apei_exec_run(struct apei_exec_context *ctx, u8 action)
|
|
{
|
|
return __apei_exec_run(ctx, action, 0);
|
|
}
|
|
|
|
/* It is optional whether the firmware provides the action */
|
|
static inline int apei_exec_run_optional(struct apei_exec_context *ctx, u8 action)
|
|
{
|
|
return __apei_exec_run(ctx, action, 1);
|
|
}
|
|
|
|
/* Common instruction implementation */
|
|
|
|
/* IP has been set in instruction function */
|
|
#define APEI_EXEC_SET_IP 1
|
|
|
|
int apei_map_generic_address(struct acpi_generic_address *reg);
|
|
|
|
static inline void apei_unmap_generic_address(struct acpi_generic_address *reg)
|
|
{
|
|
acpi_os_unmap_generic_address(reg);
|
|
}
|
|
|
|
int apei_read(u64 *val, struct acpi_generic_address *reg);
|
|
int apei_write(u64 val, struct acpi_generic_address *reg);
|
|
|
|
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_add(struct apei_resources *resources,
|
|
unsigned long start, unsigned long size,
|
|
bool iomem);
|
|
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);
|
|
|
|
#define apei_estatus_for_each_section(estatus, section) \
|
|
for (section = (struct acpi_hest_generic_data *)(estatus + 1); \
|
|
(void *)section - (void *)estatus < estatus->data_length; \
|
|
section = (void *)(section+1) + section->error_data_length)
|
|
|
|
static inline u32 cper_estatus_len(struct acpi_hest_generic_status *estatus)
|
|
{
|
|
if (estatus->raw_data_length)
|
|
return estatus->raw_data_offset + \
|
|
estatus->raw_data_length;
|
|
else
|
|
return sizeof(*estatus) + estatus->data_length;
|
|
}
|
|
|
|
void cper_estatus_print(const char *pfx,
|
|
const struct acpi_hest_generic_status *estatus);
|
|
int cper_estatus_check_header(const struct acpi_hest_generic_status *estatus);
|
|
int cper_estatus_check(const struct acpi_hest_generic_status *estatus);
|
|
|
|
int apei_osc_setup(void);
|
|
#endif
|