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DM/samples: Check whether IPU devices exists before using IPU devices

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Now the IPU devices are always enabled. But they don't exist on some
boards. In such case some errors are warned and the system can't be booted.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reviewed-by: Yin FengWei <fengwei.yin@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>
This commit is contained in:
Zhao Yakui 2018-06-05 13:16:04 +08:00 committed by lijinxia
parent 5de6bf3d34
commit 864f470088
1 changed files with 8 additions and 2 deletions
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10
devicemodel/samples/apl-mrb/launch_uos.sh
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@ -62,15 +62,22 @@ echo "8086 5a9a" > /sys/bus/pci/drivers/pci-stub/new_id
echo "0000:00:0f.0" > /sys/bus/pci/devices/0000:00:0f.0/driver/unbind
echo "0000:00:0f.0" > /sys/bus/pci/drivers/pci-stub/bind
boot_ipu_option=""
# for ipu passthrough - ipu device 0:3.0
if [ -d "/sys/bus/pci/devices/0000:00:03.0" ]; then
echo "8086 5a88" > /sys/bus/pci/drivers/pci-stub/new_id
echo "0000:00:03.0" > /sys/bus/pci/devices/0000:00:03.0/driver/unbind
echo "0000:00:03.0" > /sys/bus/pci/drivers/pci-stub/bind
boot_ipu_option="$boot_ipu_option"" -s 12,passthru,0/3/0 "
fi
# for ipu passthrough - ipu related i2c 0:16.0
if [ -d "/sys/bus/pci/devices/0000:00:16.0" ]; then
echo "8086 5aac" > /sys/bus/pci/drivers/pci-stub/new_id
echo "0000:00:16.0" > /sys/bus/pci/devices/0000:00:16.0/driver/unbind
echo "0000:00:16.0" > /sys/bus/pci/drivers/pci-stub/bind
boot_ipu_option="$boot_ipu_option"" -s 22,passthru,0/16/0 "
fi
# for sd card passthrough - SDXC/MMC Host Controller 00:1b.0
echo "8086 5aca" > /sys/bus/pci/drivers/pci-stub/new_id
@ -120,9 +127,8 @@ acrn-dm -T -A -m $mem_size -c $2$boot_GVT_option"$GVT_args" -s 0:0,hostbridge -s
-s 4,virtio-net,$tap $boot_image_option \
-s 7,passthru,0/15/0 \
-s 15,passthru,0/f/0 \
-s 12,passthru,0/3/0 \
-s 22,passthru,0/16/0 \
-s 27,passthru,0/1b/0 \
$boot_ipu_option \
-i /run/acrn/ioc_$vm_name,0x20 \
-l com2,/run/acrn/ioc_$vm_name \
-B "root=/dev/vda2 rw rootwait maxcpus=$2 nohpet console=hvc0 \