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https://github.com/checkpoint-restore/criu
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0f98ee4641
For architectures like aarch64/ppc64 it's needed to propagate the size of page inside PIEs. For the parasite page size will be defined during seizing, and for restorer during early initialization. Afterward we can use PAGE_SIZE in PIEs like we did before. Signed-off-by: Dmitry Safonov <dima@arista.com> Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
51 lines
1.0 KiB
C
51 lines
1.0 KiB
C
#ifndef __COMPEL_RPC_H__
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#define __COMPEL_RPC_H__
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struct ctl_msg {
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uint32_t cmd; /* command itself */
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uint32_t ack; /* ack on command */
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int32_t err; /* error code on reply */
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};
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#define ctl_msg_cmd(_cmd) \
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(struct ctl_msg){.cmd = _cmd, }
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#define ctl_msg_ack(_cmd, _err) \
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(struct ctl_msg){.cmd = _cmd, .ack = _cmd, .err = _err, }
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/*
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* NOTE: each command's args should be arch-independed sized.
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* If you want to use one of the standard types, declare
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* alternative type for compatible tasks in parasite-compat.h
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*/
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enum {
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PARASITE_CMD_IDLE = 0,
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PARASITE_CMD_ACK,
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PARASITE_CMD_INIT_DAEMON,
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/*
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* This must be greater than INITs.
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*/
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PARASITE_CMD_FINI,
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__PARASITE_END_CMDS,
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};
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struct parasite_init_args {
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int32_t h_addr_len;
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struct sockaddr_un h_addr;
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int32_t log_level;
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uint64_t sigreturn_addr;
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uint64_t sigframe; /* pointer to sigframe */
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futex_t daemon_connected;
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#ifdef ARCH_HAS_LONG_PAGES
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uint32_t page_size;
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#endif
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};
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struct parasite_unmap_args {
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uint64_t parasite_start;
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uint64_t parasite_len;
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};
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#endif
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