Lines Matching refs:kbuf
449 struct kexec_buf *kbuf) in locate_mem_hole_top_down() argument
451 struct kimage *image = kbuf->image; in locate_mem_hole_top_down()
454 temp_end = min(end, kbuf->buf_max); in locate_mem_hole_top_down()
455 temp_start = temp_end - kbuf->memsz; in locate_mem_hole_top_down()
459 temp_start = temp_start & (~(kbuf->buf_align - 1)); in locate_mem_hole_top_down()
461 if (temp_start < start || temp_start < kbuf->buf_min) in locate_mem_hole_top_down()
464 temp_end = temp_start + kbuf->memsz - 1; in locate_mem_hole_top_down()
480 kbuf->mem = temp_start; in locate_mem_hole_top_down()
487 struct kexec_buf *kbuf) in locate_mem_hole_bottom_up() argument
489 struct kimage *image = kbuf->image; in locate_mem_hole_bottom_up()
492 temp_start = max(start, kbuf->buf_min); in locate_mem_hole_bottom_up()
495 temp_start = ALIGN(temp_start, kbuf->buf_align); in locate_mem_hole_bottom_up()
496 temp_end = temp_start + kbuf->memsz - 1; in locate_mem_hole_bottom_up()
498 if (temp_end > end || temp_end > kbuf->buf_max) in locate_mem_hole_bottom_up()
514 kbuf->mem = temp_start; in locate_mem_hole_bottom_up()
522 struct kexec_buf *kbuf = (struct kexec_buf *)arg; in locate_mem_hole_callback() local
532 if (sz < kbuf->memsz) in locate_mem_hole_callback()
535 if (end < kbuf->buf_min || start > kbuf->buf_max) in locate_mem_hole_callback()
542 if (kbuf->top_down) in locate_mem_hole_callback()
543 return locate_mem_hole_top_down(start, end, kbuf); in locate_mem_hole_callback()
544 return locate_mem_hole_bottom_up(start, end, kbuf); in locate_mem_hole_callback()
548 static int kexec_walk_memblock(struct kexec_buf *kbuf, in kexec_walk_memblock() argument
556 if (kbuf->image->type == KEXEC_TYPE_CRASH) in kexec_walk_memblock()
557 return func(&crashk_res, kbuf); in kexec_walk_memblock()
564 if (kbuf->top_down) { in kexec_walk_memblock()
574 ret = func(&res, kbuf); in kexec_walk_memblock()
588 ret = func(&res, kbuf); in kexec_walk_memblock()
597 static int kexec_walk_memblock(struct kexec_buf *kbuf, in kexec_walk_memblock() argument
613 static int kexec_walk_resources(struct kexec_buf *kbuf, in kexec_walk_resources() argument
616 if (kbuf->image->type == KEXEC_TYPE_CRASH) in kexec_walk_resources()
620 kbuf, func); in kexec_walk_resources()
622 return walk_system_ram_res(0, ULONG_MAX, kbuf, func); in kexec_walk_resources()
633 int kexec_locate_mem_hole(struct kexec_buf *kbuf) in kexec_locate_mem_hole() argument
638 if (kbuf->mem != KEXEC_BUF_MEM_UNKNOWN) in kexec_locate_mem_hole()
642 ret = kexec_walk_resources(kbuf, locate_mem_hole_callback); in kexec_locate_mem_hole()
644 ret = kexec_walk_memblock(kbuf, locate_mem_hole_callback); in kexec_locate_mem_hole()
657 int __weak arch_kexec_locate_mem_hole(struct kexec_buf *kbuf) in arch_kexec_locate_mem_hole() argument
659 return kexec_locate_mem_hole(kbuf); in arch_kexec_locate_mem_hole()
672 int kexec_add_buffer(struct kexec_buf *kbuf) in kexec_add_buffer() argument
678 if (!kbuf->image->file_mode) in kexec_add_buffer()
681 if (kbuf->image->nr_segments >= KEXEC_SEGMENT_MAX) in kexec_add_buffer()
691 if (!list_empty(&kbuf->image->control_pages)) { in kexec_add_buffer()
697 kbuf->memsz = ALIGN(kbuf->memsz, PAGE_SIZE); in kexec_add_buffer()
698 kbuf->buf_align = max(kbuf->buf_align, PAGE_SIZE); in kexec_add_buffer()
701 ret = arch_kexec_locate_mem_hole(kbuf); in kexec_add_buffer()
706 ksegment = &kbuf->image->segment[kbuf->image->nr_segments]; in kexec_add_buffer()
707 ksegment->kbuf = kbuf->buffer; in kexec_add_buffer()
708 ksegment->bufsz = kbuf->bufsz; in kexec_add_buffer()
709 ksegment->mem = kbuf->mem; in kexec_add_buffer()
710 ksegment->memsz = kbuf->memsz; in kexec_add_buffer()
711 kbuf->image->nr_segments++; in kexec_add_buffer()
773 if (ksegment->kbuf == pi->purgatory_buf) in kexec_calculate_store_digests()
776 ret = crypto_shash_update(desc, ksegment->kbuf, in kexec_calculate_store_digests()
844 struct kexec_buf *kbuf) in kexec_purgatory_setup_kbuf() argument
853 kbuf->buf_align = bss_align = 1; in kexec_purgatory_setup_kbuf()
854 kbuf->bufsz = bss_sz = 0; in kexec_purgatory_setup_kbuf()
862 if (kbuf->buf_align < align) in kexec_purgatory_setup_kbuf()
863 kbuf->buf_align = align; in kexec_purgatory_setup_kbuf()
864 kbuf->bufsz = ALIGN(kbuf->bufsz, align); in kexec_purgatory_setup_kbuf()
865 kbuf->bufsz += sechdrs[i].sh_size; in kexec_purgatory_setup_kbuf()
873 kbuf->bufsz = ALIGN(kbuf->bufsz, bss_align); in kexec_purgatory_setup_kbuf()
874 kbuf->memsz = kbuf->bufsz + bss_sz; in kexec_purgatory_setup_kbuf()
875 if (kbuf->buf_align < bss_align) in kexec_purgatory_setup_kbuf()
876 kbuf->buf_align = bss_align; in kexec_purgatory_setup_kbuf()
878 kbuf->buffer = vzalloc(kbuf->bufsz); in kexec_purgatory_setup_kbuf()
879 if (!kbuf->buffer) in kexec_purgatory_setup_kbuf()
881 pi->purgatory_buf = kbuf->buffer; in kexec_purgatory_setup_kbuf()
883 ret = kexec_add_buffer(kbuf); in kexec_purgatory_setup_kbuf()
905 struct kexec_buf *kbuf) in kexec_purgatory_setup_sechdrs() argument
924 bss_addr = kbuf->mem + kbuf->bufsz; in kexec_purgatory_setup_sechdrs()
925 kbuf->image->start = pi->ehdr->e_entry; in kexec_purgatory_setup_sechdrs()
947 kbuf->image->start -= sechdrs[i].sh_addr; in kexec_purgatory_setup_sechdrs()
948 kbuf->image->start += kbuf->mem + offset; in kexec_purgatory_setup_sechdrs()
955 sechdrs[i].sh_addr = kbuf->mem + offset; in kexec_purgatory_setup_sechdrs()
1034 int kexec_load_purgatory(struct kimage *image, struct kexec_buf *kbuf) in kexec_load_purgatory() argument
1044 ret = kexec_purgatory_setup_kbuf(pi, kbuf); in kexec_load_purgatory()
1048 ret = kexec_purgatory_setup_sechdrs(pi, kbuf); in kexec_load_purgatory()