[dts] [PATCH] qemu-kvm: Add support to provide Kernel Image explicitly to boot VM
Tu, Lijuan
lijuan.tu at intel.com
Wed Jul 3 08:07:36 CEST 2019
Applied, thanks
> -----Original Message-----
> From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of
> pvukkisala at marvell.com
> Sent: Thursday, June 27, 2019 4:33 PM
> To: dts at dpdk.org
> Cc: avijay at marvell.com; fmasood at marvell.com; Phanendra Vukkisala
> <pvukkisala at marvell.com>
> Subject: [dts] [PATCH] qemu-kvm: Add support to provide Kernel Image
> explicitly to boot VM
>
> From: Phanendra Vukkisala <pvukkisala at marvell.com>
>
> Enables option to boot VM with Kernel Image which is not part of VM image.
> Enables provding kernel boot parameters from configs
>
> Signed-off-by: Phanendra Vukkisala <pvukkisala at marvell.com>
> ---
> conf/sriov_kvm.cfg | 10 ++++++++++
> framework/qemu_kvm.py | 26 ++++++++++++++++++++++++++
> 2 files changed, 36 insertions(+)
>
> diff --git a/conf/sriov_kvm.cfg b/conf/sriov_kvm.cfg index a7ba884..8106e04
> 100644
> --- a/conf/sriov_kvm.cfg
> +++ b/conf/sriov_kvm.cfg
> @@ -98,6 +98,16 @@
> # note:
> # By default VM will start with the daemonize status.
> # Not support starting it on the stdin now.
> +#
> +#kernel
> +# kernel_img: <path of kernel image>
> +# note: adding kernel_img use this kernel and following argument to
> as
> +# kernel boot command args
> +# console: ttyS0
> +# baudrate: 115200
> +# root: /dev/sda2 rw rootwait
> +# note: along with root path, can provide any other extra parameters
> +#
>
>
> # vm configuration for pmd sriov case
> diff --git a/framework/qemu_kvm.py b/framework/qemu_kvm.py index
> 80a39c8..8408795 100644
> --- a/framework/qemu_kvm.py
> +++ b/framework/qemu_kvm.py
> @@ -483,6 +483,32 @@ class QEMUKvm(VirtBase):
> elif options['type'] in ['tap', 'bridge']:
> self.net_type = 'bridge'
>
> + def add_vm_kernel(self, **options):
> + """
> + Add Kernel Image explicitly
> + kernel_img: path to kernel Image
> + console: console details in kernel boot args
> + baudrate: console access baudrate in kernel boot args
> + root: root partition details in kernel boot args
> + """
> + print options
> + if 'kernel_img' in options.keys() and options['kernel_img']:
> + kernel_boot_line = '-kernel %s' % options['kernel_img']
> + else:
> + return False
> + self.__add_boot_line(kernel_boot_line)
> + kernel_args = ""
> + if 'console' in options.keys() and options['console']:
> + kernel_args = "console=%s" %options['console']
> + if 'baudrate' in options.keys() and options['baudrate']:
> + kernel_args += "," + options['baudrate']
> + if 'root' in options.keys() and options['root']:
> + kernel_args += " root=%s" %options['root']
> + if kernel_args:
> + append_boot_line = '--append \"%s\"' %kernel_args
> + self.__add_boot_line(append_boot_line)
> +
> +
> def __add_vm_net_nic(self, **options):
> """
> type: nic
> --
> 1.7.9.5
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