VirtIO.py revision 11931
110388SAndreas.Sandberg@ARM.com# -*- mode:python -*- 210388SAndreas.Sandberg@ARM.com 311931Sandreas.sandberg@arm.com# Copyright (c) 2014, 2016 ARM Limited 410388SAndreas.Sandberg@ARM.com# All rights reserved. 510388SAndreas.Sandberg@ARM.com# 610388SAndreas.Sandberg@ARM.com# The license below extends only to copyright in the software and shall 710388SAndreas.Sandberg@ARM.com# not be construed as granting a license to any other intellectual 810388SAndreas.Sandberg@ARM.com# property including but not limited to intellectual property relating 910388SAndreas.Sandberg@ARM.com# to a hardware implementation of the functionality of the software 1010388SAndreas.Sandberg@ARM.com# licensed hereunder. You may use the software subject to the license 1110388SAndreas.Sandberg@ARM.com# terms below provided that you ensure that this notice is replicated 1210388SAndreas.Sandberg@ARM.com# unmodified and in its entirety in all distributions of the software, 1310388SAndreas.Sandberg@ARM.com# modified or unmodified, in source code or in binary form. 1410388SAndreas.Sandberg@ARM.com# 1510388SAndreas.Sandberg@ARM.com# Redistribution and use in source and binary forms, with or without 1610388SAndreas.Sandberg@ARM.com# modification, are permitted provided that the following conditions are 1710388SAndreas.Sandberg@ARM.com# met: redistributions of source code must retain the above copyright 1810388SAndreas.Sandberg@ARM.com# notice, this list of conditions and the following disclaimer; 1910388SAndreas.Sandberg@ARM.com# redistributions in binary form must reproduce the above copyright 2010388SAndreas.Sandberg@ARM.com# notice, this list of conditions and the following disclaimer in the 2110388SAndreas.Sandberg@ARM.com# documentation and/or other materials provided with the distribution; 2210388SAndreas.Sandberg@ARM.com# neither the name of the copyright holders nor the names of its 2310388SAndreas.Sandberg@ARM.com# contributors may be used to endorse or promote products derived from 2410388SAndreas.Sandberg@ARM.com# this software without specific prior written permission. 2510388SAndreas.Sandberg@ARM.com# 2610388SAndreas.Sandberg@ARM.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2710388SAndreas.Sandberg@ARM.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2810388SAndreas.Sandberg@ARM.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2910388SAndreas.Sandberg@ARM.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 3010388SAndreas.Sandberg@ARM.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3110388SAndreas.Sandberg@ARM.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3210388SAndreas.Sandberg@ARM.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3310388SAndreas.Sandberg@ARM.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3410388SAndreas.Sandberg@ARM.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3510388SAndreas.Sandberg@ARM.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3610388SAndreas.Sandberg@ARM.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3710388SAndreas.Sandberg@ARM.com# 3810388SAndreas.Sandberg@ARM.com# Authors: Andreas Sandberg 3910388SAndreas.Sandberg@ARM.com 4010388SAndreas.Sandberg@ARM.comfrom m5.SimObject import SimObject 4110388SAndreas.Sandberg@ARM.comfrom m5.params import * 4210388SAndreas.Sandberg@ARM.comfrom m5.proxy import * 4310388SAndreas.Sandberg@ARM.comfrom Device import PioDevice 4411260Sandreas.sandberg@arm.comfrom PciDevice import PciDevice 4510388SAndreas.Sandberg@ARM.com 4610388SAndreas.Sandberg@ARM.com 4710388SAndreas.Sandberg@ARM.comclass VirtIODeviceBase(SimObject): 4810388SAndreas.Sandberg@ARM.com type = 'VirtIODeviceBase' 4910388SAndreas.Sandberg@ARM.com cxx_header = 'dev/virtio/base.hh' 5010388SAndreas.Sandberg@ARM.com abstract = True 5110388SAndreas.Sandberg@ARM.com 5210388SAndreas.Sandberg@ARM.com subsystem = Param.UInt8(0x00, "VirtIO subsystem ID") 5310388SAndreas.Sandberg@ARM.com 5410388SAndreas.Sandberg@ARM.com system = Param.System(Parent.any, "system object") 5510388SAndreas.Sandberg@ARM.com 5611931Sandreas.sandberg@arm.comclass VirtIODummyDevice(VirtIODeviceBase): 5711931Sandreas.sandberg@arm.com type = 'VirtIODummyDevice' 5811931Sandreas.sandberg@arm.com cxx_header = 'dev/virtio/base.hh' 5911931Sandreas.sandberg@arm.com 6010388SAndreas.Sandberg@ARM.comclass PciVirtIO(PciDevice): 6110388SAndreas.Sandberg@ARM.com type = 'PciVirtIO' 6210388SAndreas.Sandberg@ARM.com cxx_header = 'dev/virtio/pci.hh' 6310388SAndreas.Sandberg@ARM.com 6411931Sandreas.sandberg@arm.com vio = Param.VirtIODeviceBase(VirtIODummyDevice(), "VirtIO device") 6510388SAndreas.Sandberg@ARM.com 6610388SAndreas.Sandberg@ARM.com VendorID = 0x1AF4 6710388SAndreas.Sandberg@ARM.com SubsystemVendorID = VendorID; 6810388SAndreas.Sandberg@ARM.com DeviceID = 0x1000 6910388SAndreas.Sandberg@ARM.com 7010388SAndreas.Sandberg@ARM.com ClassCode = 0xff # Misc device 7110388SAndreas.Sandberg@ARM.com 7211478Sbaz21@cam.ac.uk BAR0 = 0x00000001 # Anywhere in 32-bit space; IOREG 7310388SAndreas.Sandberg@ARM.com BAR0Size = '0B' # Overridden by the device model 7410388SAndreas.Sandberg@ARM.com 7510388SAndreas.Sandberg@ARM.com InterruptPin = 0x01 # Use #INTA 76