arch/powerpc/include/asm/plpks.h

Source file repositories/reference/linux-study-clean/arch/powerpc/include/asm/plpks.h

File Facts

System
Linux kernel
Corpus path
arch/powerpc/include/asm/plpks.h
Extension
.h
Size
3669 bytes
Lines
136
Domain
Architecture Layer
Bucket
arch/powerpc
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

struct plpks_var {
	char *component;
	u8 *name;
	u8 *data;
	u32 policy;
	u16 namelen;
	u16 datalen;
	u8 os;
};

struct plpks_var_name {
	u8  *name;
	u16 namelen;
};

struct plpks_var_name_list {
	u32 varcount;
	struct plpks_var_name varlist[];
};

int plpks_signed_update_var(struct plpks_var *var, u64 flags);

int plpks_write_var(struct plpks_var var);

int plpks_remove_var(char *component, u8 varos,
		     struct plpks_var_name vname);

int plpks_read_os_var(struct plpks_var *var);

int plpks_read_fw_var(struct plpks_var *var);

int plpks_read_bootloader_var(struct plpks_var *var);

bool plpks_is_available(void);

u8 plpks_get_version(void);

u16 plpks_get_objoverhead(void);

u16 plpks_get_maxpwsize(void);

u16 plpks_get_maxobjectsize(void);

u16 plpks_get_maxobjectlabelsize(void);

u32 plpks_get_totalsize(void);

u32 plpks_get_usedspace(void);

u32 plpks_get_supportedpolicies(void);

u32 plpks_get_maxlargeobjectsize(void);

u64 plpks_get_signedupdatealgorithms(void);

u64 plpks_get_wrappingfeatures(void);

u16 plpks_get_passwordlen(void);

void plpks_early_init_devtree(void);

int plpks_populate_fdt(void *fdt);

int plpks_config_create_softlink(struct kobject *from);

bool plpks_wrapping_is_supported(void);

int plpks_gen_wrapping_key(void);

int plpks_wrap_object(u8 **input_buf, u32 input_len, u16 wrap_flags,
		      u8 **output_buf, u32 *output_len);

int plpks_unwrap_object(u8 **input_buf, u32 input_len,
			u8 **output_buf, u32 *output_len);
#else // CONFIG_PSERIES_PLPKS
static inline bool plpks_is_available(void) { return false; }
static inline u16 plpks_get_passwordlen(void) { BUILD_BUG(); }
static inline void plpks_early_init_devtree(void) { }
static inline int plpks_populate_fdt(void *fdt) { BUILD_BUG(); }
static inline int plpks_config_create_softlink(struct kobject *from)
						{ return 0; }
#endif // CONFIG_PSERIES_PLPKS

#endif // _ASM_POWERPC_PLPKS_H

Annotation

Implementation Notes