[deliverable/linux.git] / include / asm-powerpc / kexec.h

#ifndef _ASM_POWERPC_KEXEC_H
#define _ASM_POWERPC_KEXEC_H

/*
 * Maximum page that is mapped directly into kernel memory.
 * XXX: Since we copy virt we can use any page we allocate
 */
#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)

/*
 * Maximum address we can reach in physical address mode.
 * XXX: I want to allow initrd in highmem. Otherwise set to rmo on LPAR.
 */
#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)

/* Maximum address we can use for the control code buffer */
#ifdef __powerpc64__
#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)
#else
/* TASK_SIZE, probably left over from use_mm ?? */
#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
#endif

#define KEXEC_CONTROL_CODE_SIZE 4096

/* The native architecture */
#ifdef __powerpc64__
#define KEXEC_ARCH KEXEC_ARCH_PPC64
#else
#define KEXEC_ARCH KEXEC_ARCH_PPC
#endif

#ifndef __ASSEMBLY__

#ifdef CONFIG_KEXEC

#define MAX_NOTE_BYTES 1024
typedef u32 note_buf_t[MAX_NOTE_BYTES / sizeof(u32)];

extern note_buf_t crash_notes[];

#ifdef __powerpc64__
extern void kexec_smp_wait(void);	/* get and clear naca physid, wait for
					  master to copy new code to 0 */
extern void __init kexec_setup(void);
extern int crashing_cpu;
extern void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *));
#endif /* __powerpc64 __ */

struct kimage;
struct pt_regs;
extern void default_machine_kexec(struct kimage *image);
extern int default_machine_kexec_prepare(struct kimage *image);
extern void default_machine_crash_shutdown(struct pt_regs *regs);

#endif /* !CONFIG_KEXEC */

#endif /* ! __ASSEMBLY__ */
#endif /* _ASM_POWERPC_KEXEC_H */
Commit	Line	Data
e1df870d ME	1	#ifndef _ASM_POWERPC_KEXEC_H
	2	#define _ASM_POWERPC_KEXEC_H
	3
	4	/*
	5	* Maximum page that is mapped directly into kernel memory.
	6	* XXX: Since we copy virt we can use any page we allocate
	7	*/
	8	#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
	9
	10	/*
	11	* Maximum address we can reach in physical address mode.
	12	* XXX: I want to allow initrd in highmem. Otherwise set to rmo on LPAR.
	13	*/
	14	#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
	15
	16	/* Maximum address we can use for the control code buffer */
	17	#ifdef __powerpc64__
	18	#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)
	19	#else
	20	/* TASK_SIZE, probably left over from use_mm ?? */
	21	#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
	22	#endif
	23
	24	#define KEXEC_CONTROL_CODE_SIZE 4096
	25
	26	/* The native architecture */
	27	#ifdef __powerpc64__
	28	#define KEXEC_ARCH KEXEC_ARCH_PPC64
	29	#else
	30	#define KEXEC_ARCH KEXEC_ARCH_PPC
	31	#endif
	32
	33	#ifndef __ASSEMBLY__
	34
cc532915 ME	35	#ifdef CONFIG_KEXEC
cc532915 ME	36
e1df870d ME	37	#define MAX_NOTE_BYTES 1024
	38	typedef u32 note_buf_t[MAX_NOTE_BYTES / sizeof(u32)];
	39
	40	extern note_buf_t crash_notes[];
	41
	42	#ifdef __powerpc64__
	43	extern void kexec_smp_wait(void); /* get and clear naca physid, wait for
	44	master to copy new code to 0 */
593e537b	45	extern void __init kexec_setup(void);
cc532915 ME	46	extern int crashing_cpu;
	47	extern void crash_send_ipi(void (crash_ipi_callback)(struct pt_regs ));
	48	#endif /* __powerpc64 __ */
e1df870d	49
3d1229d6	50	struct kimage;
cc532915	51	struct pt_regs;
3d1229d6 ME	52	extern void default_machine_kexec(struct kimage *image);
3d1229d6 ME	53	extern int default_machine_kexec_prepare(struct kimage *image);
cc532915 ME	54	extern void default_machine_crash_shutdown(struct pt_regs *regs);
	55
	56	#endif /* !CONFIG_KEXEC */
3d1229d6	57
e1df870d ME	58	#endif /* ! __ASSEMBLY__ */
e1df870d ME	59	#endif /* _ASM_POWERPC_KEXEC_H */