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qmp: dump-guest-memory: improve schema doc 

Clarify a few points and makes it looks more like the other commands'
documentation.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Luiz Capitulino 2012-06-28 11:59:15 -03:00
parent c0958559b1
commit f5b0d93bcb
1 changed files with 16 additions and 14 deletions
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30
qapi-schema.json
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@ -1789,34 +1789,36 @@
#
# Dump guest's memory to vmcore. It is a synchronous operation that can take
# very long depending on the amount of guest memory. This command is only
# supported only on i386 and x86_64
# supported on i386 and x86_64.
#
# @paging: if true, do paging to get guest's memory mapping. This allows
# using gdb to process the core file. However, setting @paging to false
# may be desirable because of two reasons:
#
# 1. The guest may be in a catastrophic state or can have corrupted
# memory, which cannot be trusted
# 2. The guest can be in real-mode even if paging is enabled. For example,
# the guest uses ACPI to sleep, and ACPI sleep state goes in real-mode
#
# @paging: if true, do paging to get guest's memory mapping. The @paging's
# default value of @paging is false, If you want to use gdb to process the
# core, please set @paging to true. The reason why the @paging's value is
# false:
# 1. guest machine in a catastrophic state can have corrupted memory,
# which we cannot trust.
# 2. The guest machine can be in read-mode even if paging is enabled.
# For example: the guest machine uses ACPI to sleep, and ACPI sleep
# state goes in real-mode
# @protocol: the filename or file descriptor of the vmcore. The supported
# protocol can be file or fd:
# protocols are:
#
# 1. file: the protocol starts with "file:", and the following string is
# the file's path.
# 2. fd: the protocol starts with "fd:", and the following string is the
# fd's name.
#
# @begin: #optional if specified, the starting physical address.
#
# @length: #optional if specified, the memory size, in bytes. If you don't
# want to dump all guest's memory, please specify the start @begin and
# @length
# want to dump all guest's memory, please specify the start @begin and @length
#
# Returns: nothing on success
# If @begin contains an invalid address, InvalidParameter
# If only one of @begin and @length is specified, MissingParameter
# If @protocol stats with "fd:", and the fd cannot be found, FdNotFound
# If @protocol starts with "file:", and the file cannot be
# opened, OpenFileFailed
# opened, OpenFileFailed
# If @protocol does not start with "fd:" or "file:", InvalidParameter
# If an I/O error occurs while writing the file, IOError
# If the target does not support this command, Unsupported