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-rw-r--r--arch/powerpc/include/asm/kexec.h64
1 files changed, 53 insertions, 11 deletions
diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h
index c68476818753..a1ddba01e7d1 100644
--- a/arch/powerpc/include/asm/kexec.h
+++ b/arch/powerpc/include/asm/kexec.h
@@ -3,7 +3,7 @@
#define _ASM_POWERPC_KEXEC_H
#ifdef __KERNEL__
-#if defined(CONFIG_FSL_BOOKE) || defined(CONFIG_44x)
+#if defined(CONFIG_PPC_85xx) || defined(CONFIG_44x)
/*
* On FSL-BookE we setup a 1:1 mapping which covers the first 2GiB of memory
@@ -79,13 +79,13 @@ extern int crash_wake_offline;
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);
extern int crash_shutdown_register(crash_shutdown_t handler);
extern int crash_shutdown_unregister(crash_shutdown_t handler);
+extern void crash_kexec_prepare(void);
extern void crash_kexec_secondary(struct pt_regs *regs);
-extern int overlaps_crashkernel(unsigned long start, unsigned long size);
+int __init overlaps_crashkernel(unsigned long start, unsigned long size);
extern void reserve_crashkernel(void);
extern void machine_kexec_mask_interrupts(void);
@@ -97,25 +97,55 @@ static inline bool kdump_in_progress(void)
void relocate_new_kernel(unsigned long indirection_page, unsigned long reboot_code_buffer,
unsigned long start_address) __noreturn;
+void kexec_copy_flush(struct kimage *image);
+
+#if defined(CONFIG_CRASH_DUMP) && defined(CONFIG_PPC_RTAS)
+void crash_free_reserved_phys_range(unsigned long begin, unsigned long end);
+#define crash_free_reserved_phys_range crash_free_reserved_phys_range
+#endif
+
#ifdef CONFIG_KEXEC_FILE
extern const struct kexec_file_ops kexec_elf64_ops;
-#ifdef CONFIG_IMA_KEXEC
#define ARCH_HAS_KIMAGE_ARCH
struct kimage_arch {
- phys_addr_t ima_buffer_addr;
- size_t ima_buffer_size;
+ struct crash_mem *exclude_ranges;
+
+ unsigned long backup_start;
+ void *backup_buf;
+ void *fdt;
};
-#endif
+char *setup_kdump_cmdline(struct kimage *image, char *cmdline,
+ unsigned long cmdline_len);
int setup_purgatory(struct kimage *image, const void *slave_code,
const void *fdt, unsigned long kernel_load_addr,
unsigned long fdt_load_addr);
-int setup_new_fdt(const struct kimage *image, void *fdt,
- unsigned long initrd_load_addr, unsigned long initrd_len,
- const char *cmdline);
-int delete_fdt_mem_rsv(void *fdt, unsigned long start, unsigned long size);
+
+#ifdef CONFIG_PPC64
+struct kexec_buf;
+
+int arch_kexec_kernel_image_probe(struct kimage *image, void *buf, unsigned long buf_len);
+#define arch_kexec_kernel_image_probe arch_kexec_kernel_image_probe
+
+int arch_kimage_file_post_load_cleanup(struct kimage *image);
+#define arch_kimage_file_post_load_cleanup arch_kimage_file_post_load_cleanup
+
+int arch_kexec_locate_mem_hole(struct kexec_buf *kbuf);
+#define arch_kexec_locate_mem_hole arch_kexec_locate_mem_hole
+
+int load_crashdump_segments_ppc64(struct kimage *image,
+ struct kexec_buf *kbuf);
+int setup_purgatory_ppc64(struct kimage *image, const void *slave_code,
+ const void *fdt, unsigned long kernel_load_addr,
+ unsigned long fdt_load_addr);
+unsigned int kexec_extra_fdt_size_ppc64(struct kimage *image);
+int setup_new_fdt_ppc64(const struct kimage *image, void *fdt,
+ unsigned long initrd_load_addr,
+ unsigned long initrd_len, const char *cmdline);
+#endif /* CONFIG_PPC64 */
+
#endif /* CONFIG_KEXEC_FILE */
#else /* !CONFIG_KEXEC_CORE */
@@ -150,6 +180,18 @@ static inline void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *))
}
#endif /* CONFIG_KEXEC_CORE */
+
+#ifdef CONFIG_PPC_BOOK3S_64
+#include <asm/book3s/64/kexec.h>
+#endif
+
+#ifndef reset_sprs
+#define reset_sprs reset_sprs
+static inline void reset_sprs(void)
+{
+}
+#endif
+
#endif /* ! __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_KEXEC_H */