[mirror_qemu.git] / python / qemu / __init__.py

# QEMU library
#
# Copyright (C) 2015-2016 Red Hat Inc.
# Copyright (C) 2012 IBM Corp.
#
# Authors:
#  Fam Zheng <famz@redhat.com>
#
# This work is licensed under the terms of the GNU GPL, version 2.  See
# the COPYING file in the top-level directory.
#
# Based on qmp.py.
#

import logging
import os

from . import qmp
from . import machine

LOG = logging.getLogger(__name__)

# Mapping host architecture to any additional architectures it can
# support which often includes its 32 bit cousin.
ADDITIONAL_ARCHES = {
    "x86_64" : "i386",
    "aarch64" : "armhf"
}

def kvm_available(target_arch=None):
    host_arch = os.uname()[4]
    if target_arch and target_arch != host_arch:
        if target_arch != ADDITIONAL_ARCHES.get(host_arch):
            return False
    return os.access("/dev/kvm", os.R_OK | os.W_OK)
Commit	Line	Data
66613974 DB	1	# QEMU library
	2	#
	3	# Copyright (C) 2015-2016 Red Hat Inc.
	4	# Copyright (C) 2012 IBM Corp.
	5	#
	6	# Authors:
	7	# Fam Zheng <famz@redhat.com>
	8	#
	9	# This work is licensed under the terms of the GNU GPL, version 2. See
	10	# the COPYING file in the top-level directory.
	11	#
	12	# Based on qmp.py.
	13	#
	14
4738b0a8	15	import logging
66613974	16	import os
66613974	17
8f8fd9ed	18	from . import qmp
abf0bf99	19	from . import machine
66613974	20
4738b0a8 AP	21	LOG = logging.getLogger(__name__)
4738b0a8 AP	22
2d4e4c01 AB	23	# Mapping host architecture to any additional architectures it can
	24	# support which often includes its 32 bit cousin.
	25	ADDITIONAL_ARCHES = {
	26	"x86_64" : "i386",
	27	"aarch64" : "armhf"
	28	}
4738b0a8	29
b59b82ed	30	def kvm_available(target_arch=None):
2d4e4c01 AB	31	host_arch = os.uname()[4]
	32	if target_arch and target_arch != host_arch:
	33	if target_arch != ADDITIONAL_ARCHES.get(host_arch):
	34	return False
b59b82ed	35	return os.access("/dev/kvm", os.R_OK \| os.W_OK)