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github-actions[bot] committed 2026-07-31 00:04:03 +08:00
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commit a8861ca88b
13 files changed
+165 -96
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qemu-vms/root/etc/init.d/qemu-vms
+38 -36
View File
@@ -102,6 +102,41 @@ _add_usb() {
usb_needed=1
}
_add_pci() {
local pci_section="$1"
local pci_id
config_get pci_id "$pci_section" pci_id
[ -n "$pci_id" ] || return 0
local pci_path="/sys/bus/pci/devices/0000:$pci_id"
local iommu_group=""
if [ -L "$pci_path/iommu_group" ]; then
iommu_group="$(basename "$(readlink -f "$pci_path/iommu_group")")"
fi
if [ -n "$iommu_group" ]; then
host_log "$cfg" "PCI passthrough: device $pci_id is in IOMMU group $iommu_group"
for dev in /sys/kernel/iommu_groups/$iommu_group/devices/*; do
local dev_name="$(basename "$dev")"
local current_driver="$(basename "$(readlink -f "$dev/driver" 2>/dev/null)" 2>/dev/null)"
if [ -n "$current_driver" ] && [ "$current_driver" != "vfio-pci" ]; then
echo -n "$dev_name" > "$dev/driver/unbind" 2>/dev/null
host_log "$cfg" "PCI: unbound $dev_name from $current_driver"
fi
echo "vfio-pci" > "$dev/driver_override" 2>/dev/null
echo "$dev_name" > /sys/bus/pci/drivers/vfio-pci/bind 2>/dev/null
if [ -e "$dev/driver" ] && [ "$(basename "$(readlink -f "$dev/driver")")" = "vfio-pci" ]; then
host_log "$cfg" "PCI: successfully bound $dev_name to vfio-pci"
else
host_log "$cfg" "ERROR: failed to bind $dev_name to vfio-pci"
fi
done
sleep 3
pci_opts="$pci_opts -device vfio-pci,host=$pci_id"
else
host_log "$cfg" "WARNING: Cannot determine IOMMU group for $pci_id"
fi
}
#_unbind_usb_host() {
# local usbcfg="$1"
# local vendor_id product_id
@@ -244,7 +279,7 @@ start_vm() {
config_get vnc_port "$cfg" vnc_port
config_get machine "$cfg" machine "q35"
local console_sock="$STAUS_DIR/qemu-$cfg.sock"
local console_sock="$STATUS_DIR/qemu-$cfg.sock"
local console_log="$LOG_DIR/qemu-$cfg-console.log"
local qmp_sock="$STATUS_DIR/qemu-$cfg.qmp"
@@ -276,41 +311,8 @@ start_vm() {
# fi
#fi
local pci_id="" pci_opts=""
if [ -n "$pci_passthrough" ]; then
config_get pci_id "$pci_passthrough" pci_id
if [ -n "$pci_id" ]; then
local pci_path="/sys/bus/pci/devices/0000:$pci_id"
local iommu_group=""
if [ -L "$pci_path/iommu_group" ]; then
iommu_group="$(basename "$(readlink -f "$pci_path/iommu_group")")"
fi
if [ -n "$iommu_group" ]; then
host_log "$cfg" "PCI passthrough: device $pci_id is in IOMMU group $iommu_group"
for dev in /sys/kernel/iommu_groups/$iommu_group/devices/*; do
local dev_name="$(basename "$dev")"
local current_driver="$(basename "$(readlink -f "$dev/driver" 2>/dev/null)" 2>/dev/null)"
if [ -n "$current_driver" ] && [ "$current_driver" != "vfio-pci" ]; then
echo -n "$dev_name" > "$dev/driver/unbind" 2>/dev/null
host_log "$cfg" "PCI: unbound $dev_name from $current_driver"
fi
echo "vfio-pci" > "$dev/driver_override" 2>/dev/null
echo "$dev_name" > /sys/bus/pci/drivers/vfio-pci/bind 2>/dev/null
if [ -e "$dev/driver" ] && [ "$(basename "$(readlink -f "$dev/driver")")" = "vfio-pci" ]; then
host_log "$cfg" "PCI: successfully bound $dev_name to vfio-pci"
else
host_log "$cfg" "ERROR: failed to bind $dev_name to vfio-pci"
fi
done
sleep 3
pci_opts="-device vfio-pci,host=$pci_id"
else
host_log "$cfg" "WARNING: Cannot determine IOMMU group for $pci_id"
fi
else
host_log "$cfg" "WARNING: pci_passthrough section exists but pci_id is empty - skipping"
fi
fi
local pci_opts=""
config_list_foreach "$cfg" pci_passthrough _add_pci
local cdrom_opts=""
[ -n "$cdrom" ] && cdrom_opts="-cdrom $cdrom"