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virt-manager/Add-loongarch-support.patch
zhaotianrui 52690c4dd1 Add loongarch support 
The loongarch cpu and loongson7a machine type is supported
when create virtual machine.

Signed-off-by: zhaotianrui <zhaotianrui@loongson.cn>
2023-01-10 11:56:10 -05:00

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From 49874e7491b10b7cf47f842e2967dc843fb862a0 Mon Sep 17 00:00:00 2001
From: zhaotianrui <zhaotianrui@loongson.cn>
Date: Mon, 12 Dec 2022 16:51:20 +0800
Subject: [PATCH] Add loongarch support
Signed-off-by: zhaotianrui <zhaotianrui@loongson.cn>
---
virtManager/createvm.py | 5 ++++-
virtinst/devices/disk.py | 2 ++
virtinst/devices/video.py | 2 ++
virtinst/domain/cpu.py | 5 +++++
virtinst/domain/os.py | 3 +++
virtinst/domcapabilities.py | 6 +++++-
virtinst/guest.py | 16 ++++++++++++----
7 files changed, 33 insertions(+), 6 deletions(-)
diff --git a/virtManager/createvm.py b/virtManager/createvm.py
index 7e5ded6..7930b37 100644
--- a/virtManager/createvm.py
+++ b/virtManager/createvm.py
@@ -476,7 +476,8 @@ class vmmCreateVM(vmmGObjectUI):
installable_arch = bool(guest.os.is_x86() or
guest.os.is_ppc64() or
- guest.os.is_s390x())
+ guest.os.is_s390x() or
+ guest.os.is_loongarch())
default_efi = (
self.config.get_default_firmware_setting() == "uefi" and
@@ -857,6 +858,8 @@ class vmmCreateVM(vmmGObjectUI):
machines.sort()
defmachine = None
+ if self._capsinfo.arch in ["loongarch64"]:
+ defmachine = "loongson7a"
prios = []
recommended_machine = virtinst.Guest.get_recommended_machine(
self._capsinfo)
diff --git a/virtinst/devices/disk.py b/virtinst/devices/disk.py
index dc59fd1..261b82b 100644
--- a/virtinst/devices/disk.py
+++ b/virtinst/devices/disk.py
@@ -974,6 +974,8 @@ class DeviceDisk(Device):
return "sd"
if guest.os.is_q35():
return "sata"
+ if self.is_cdrom() and guest.os.is_loongarch():
+ return "scsi"
if self.conn.is_bhyve():
# IDE bus is not supported by bhyve
return "sata"
diff --git a/virtinst/devices/video.py b/virtinst/devices/video.py
index 70067a7..d10fd7a 100644
--- a/virtinst/devices/video.py
+++ b/virtinst/devices/video.py
@@ -27,6 +27,8 @@ class DeviceVideo(Device):
@staticmethod
def default_model(guest):
+ if guest.os.is_loongarch():
+ return "virtio"
if not guest.os.is_hvm():
return None
if guest.os.is_pseries():
diff --git a/virtinst/domain/cpu.py b/virtinst/domain/cpu.py
index 5de42b4..82b68ac 100644
--- a/virtinst/domain/cpu.py
+++ b/virtinst/domain/cpu.py
@@ -449,5 +449,10 @@ class DomainCpu(XMLBuilder):
# -M virt defaults to a 32bit CPU, even if using aarch64
self.set_model(guest, "cortex-a57")
+ elif guest.os.is_loongarch() and guest.type == "kvm":
+ if guest.os.arch != self.conn.caps.host.cpu.arch:
+ return
+ self.set_special_mode(guest, guest.loongarch_cpu_default)
+
elif guest.os.is_x86() and guest.type == "kvm":
self._set_cpu_x86_kvm_default(guest)
diff --git a/virtinst/domain/os.py b/virtinst/domain/os.py
index e2cea75..bd0deac 100644
--- a/virtinst/domain/os.py
+++ b/virtinst/domain/os.py
@@ -70,6 +70,9 @@ class DomainOs(XMLBuilder):
def is_pseries(self):
return self.is_ppc64() and str(self.machine).startswith("pseries")
+ def is_loongarch(self):
+ return self.arch == "loongarch64"
+
def is_s390x(self):
return self.arch == "s390x"
diff --git a/virtinst/domcapabilities.py b/virtinst/domcapabilities.py
index d22ce6a..50ce12c 100644
--- a/virtinst/domcapabilities.py
+++ b/virtinst/domcapabilities.py
@@ -289,6 +289,10 @@ class DomainCapabilities(XMLBuilder):
r".*arm/QEMU_EFI.*", # fedora, gerd's firmware repo
r".*edk2-arm-code\.fd" # upstream qemu
],
+ "loongarch64": [
+ ".*loongarch_bios.bin", # loongarch
+ ".*loongarch_vars.bin", # gerd's firmware repo
+ ],
}
def find_uefi_path_for_arch(self):
@@ -444,7 +448,7 @@ class DomainCapabilities(XMLBuilder):
# support. Use our pre-existing logic
if not self.conn.is_qemu() and not self.conn.is_test():
return False
- return self.conn.caps.host.cpu.arch in ["i686", "x86_64"]
+ return self.conn.caps.host.cpu.arch in ["i686", "x86_64", "loongarch64"]
return self.devices.graphics.get_enum("type").has_value("spice")
diff --git a/virtinst/guest.py b/virtinst/guest.py
index e663602..f0f2d67 100644
--- a/virtinst/guest.py
+++ b/virtinst/guest.py
@@ -212,6 +212,7 @@ class Guest(XMLBuilder):
self.skip_default_rng = False
self.skip_default_tpm = False
self.x86_cpu_default = self.cpu.SPECIAL_MODE_APP_DEFAULT
+ self.loongarch_cpu_default = self.cpu.SPECIAL_MODE_HOST_MODEL_ONLY
# qemu 6.1, fairly new when we added this option, has an unfortunate
# bug with >= 15 root ports, so we choose 14 instead of our original 16
@@ -352,7 +353,8 @@ class Guest(XMLBuilder):
if (self.os.is_arm_machvirt() or
self.os.is_riscv_virt() or
self.os.is_s390x() or
- self.os.is_pseries()):
+ self.os.is_pseries() or
+ self.os.is_loongarch()):
return True
if not os_support:
@@ -541,7 +543,7 @@ class Guest(XMLBuilder):
# and doesn't break QEMU internal snapshots
prefer_efi = self.osinfo.requires_firmware_efi(self.os.arch)
else:
- prefer_efi = self.os.is_arm_machvirt() or self.conn.is_bhyve()
+ prefer_efi = self.os.is_arm_machvirt() or self.conn.is_bhyve() or self.os.is_loongarch()
log.debug("Prefer EFI => %s", prefer_efi)
return prefer_efi
@@ -558,6 +560,8 @@ class Guest(XMLBuilder):
"""
self.os.loader_ro = True
self.os.loader_type = "pflash"
+ if (self.os.is_loongarch()):
+ self.os.loader_type = "rom"
self.os.loader = path
# If the firmware name contains "secboot" it is probably build
@@ -902,7 +906,8 @@ class Guest(XMLBuilder):
usb_tablet = True
if (self.os.is_arm_machvirt() or
self.os.is_riscv_virt() or
- self.os.is_pseries()):
+ self.os.is_pseries() or
+ self.os.is_loongarch()):
usb_tablet = True
usb_keyboard = True
@@ -1016,7 +1021,8 @@ class Guest(XMLBuilder):
if self.os.is_container() and not self.conn.is_vz():
return
if (not self.os.is_x86() and
- not self.os.is_pseries()):
+ not self.os.is_pseries() and
+ not self.os.is_loongarch()):
return
self.add_device(DeviceGraphics(self.conn))
@@ -1155,6 +1161,8 @@ class Guest(XMLBuilder):
self.add_device(dev)
def _add_spice_usbredir(self):
+ if (self.os.is_loongarch()):
+ return
if self.skip_default_usbredir:
return
if self.devices.redirdev:
--
2.33.0
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