#include <asm/processor.h> #include <asm/page.h> #include <asm/setup.h> /* * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return. * I.e. Maximum page that is mapped directly into kernel memory, * and kmap is not required.
*/
/* Maximum physical address we can use pages from */ #define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
/* Maximum address we can reach in physical address mode */ #define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
/* Maximum address we can use for the control pages */ /* Not more than 2GB */ #define KEXEC_CONTROL_MEMORY_LIMIT (1UL<<31)
/* Allocate control page with GFP_DMA */ #define KEXEC_CONTROL_MEMORY_GFP (GFP_DMA | __GFP_NORETRY)
/* Maximum address we can use for the crash control pages */ #define KEXEC_CRASH_CONTROL_MEMORY_LIMIT (-1UL)
/* Allocate one page for the pdp and the second for the code */ #define KEXEC_CONTROL_PAGE_SIZE 4096
/* Alignment of crashkernel memory */ #define KEXEC_CRASH_MEM_ALIGN HPAGE_SIZE
/* The native architecture */ #define KEXEC_ARCH KEXEC_ARCH_S390
/* Allow kexec_file to load a segment to 0 */ #define KEXEC_BUF_MEM_UNKNOWN -1
/* Provide a dummy definition to avoid build failures. */ staticinlinevoid crash_setup_regs(struct pt_regs *newregs, struct pt_regs *oldregs) { }
struct kimage; struct s390_load_data { /* Pointer to the kernel buffer. Used to register cmdline etc.. */ void *kernel_buf;
/* Load address of the kernel_buf. */ unsignedlong kernel_mem;
/* Parmarea in the kernel buffer. */ struct parmarea *parm;
/* Total size of loaded segments in memory. Used as an offset. */
size_t memsz;
struct ipl_report *report;
};
int s390_verify_sig(constchar *kernel, unsignedlong kernel_len); void *kexec_file_add_components(struct kimage *image, int (*add_kernel)(struct kimage *image, struct s390_load_data *data)); int arch_kexec_do_relocs(int r_type, void *loc, unsignedlong val, unsignedlong addr);
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