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https://github.com/checkpoint-restore/criu.git
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cee5e8179a
Dumped pages are those taken to the image Skipped pages are those, sitting in RAM, but left there (file shared pages) Total is the total amount of pages that fit into vmarea Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
110 lines
2.1 KiB
C
110 lines
2.1 KiB
C
#ifndef CR_PARASITE_H_
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#define CR_PARASITE_H_
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#define PARASITE_STACK_SIZE 2048
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#define PARASITE_ARG_SIZE 8196
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#define PARASITE_MAX_SIZE (64 << 10)
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#ifndef __ASSEMBLY__
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#include <sys/types.h>
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#include <sys/un.h>
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#include <limits.h>
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#include "compiler.h"
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#include "image.h"
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#include "sockets.h"
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#include "util-net.h"
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#define __head __used __section(.head.text)
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enum {
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PARASITE_CMD_INIT,
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PARASITE_CMD_SET_LOGFD,
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PARASITE_CMD_FINI,
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PARASITE_CMD_DUMPPAGES_INIT,
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PARASITE_CMD_DUMPPAGES,
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PARASITE_CMD_DUMPPAGES_FINI,
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PARASITE_CMD_DUMP_SIGACTS,
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PARASITE_CMD_DUMP_ITIMERS,
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PARASITE_CMD_DUMP_MISC,
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PARASITE_CMD_DUMP_TID_ADDR,
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PARASITE_CMD_DRAIN_FDS,
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PARASITE_CMD_MAX,
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};
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typedef struct {
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long ret; /* ret code */
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long line; /* where we're failed */
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} parasite_status_t;
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#define SET_PARASITE_RET(st, err) \
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do { \
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(st)->ret = err, \
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(st)->line = __LINE__; \
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} while (0)
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struct parasite_init_args {
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parasite_status_t status;
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int sun_len;
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struct sockaddr_un saddr;
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};
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struct parasite_dump_pages_args {
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parasite_status_t status;
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struct vma_entry vma_entry;
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unsigned long nrpages_dumped; /* how many pages are dumped */
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unsigned long nrpages_skipped;
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unsigned long nrpages_total;
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};
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/*
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* Misc sfuff, that is too small for separate file, but cannot
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* be read w/o using parasite
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*/
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struct parasite_dump_misc {
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parasite_status_t status;
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unsigned int secbits;
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unsigned long brk;
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k_rtsigset_t blocked;
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};
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struct parasite_dump_tid_addr {
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parasite_status_t status;
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unsigned int *tid_addr;
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};
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#define PARASITE_MAX_FDS (PAGE_SIZE / sizeof(int))
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struct parasite_drain_fd {
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parasite_status_t status;
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struct sockaddr_un saddr;
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int sun_len;
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int fds[PARASITE_MAX_FDS];
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int nr_fds;
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};
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/*
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* Some useful offsets
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*/
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#define PARASITE_ARGS_ADDR(start) \
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((start) + parasite_blob_offset____export_parasite_args)
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#define PARASITE_CMD_ADDR(start) \
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((start) + parasite_blob_offset____export_parasite_cmd)
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#define PARASITE_HEAD_ADDR(start) \
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((start) + parasite_blob_offset____export_parasite_head_start)
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#endif /* !__ASSEMBLY__ */
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#endif /* CR_PARASITE_H_ */
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