Re: [Xen-devel] [RFC QEMU PATCH v4 05/10] xen-hvm: initialize fw_cfg interface

2018-02-28 Thread Haozhong Zhang
On 02/27/18 16:46 +, Anthony PERARD wrote: > On Thu, Dec 07, 2017 at 06:18:07PM +0800, Haozhong Zhang wrote: > > Xen is going to reuse QEMU to build ACPI of some devices (e.g., NFIT > > and SSDT for NVDIMM) for HVM domains. The existing QEMU ACPI build > > code requires a fw_cfg interface which

Re: [Xen-devel] [RFC QEMU PATCH v4 05/10] xen-hvm: initialize fw_cfg interface

2018-02-27 Thread Anthony PERARD
On Thu, Dec 07, 2017 at 06:18:07PM +0800, Haozhong Zhang wrote: > Xen is going to reuse QEMU to build ACPI of some devices (e.g., NFIT > and SSDT for NVDIMM) for HVM domains. The existing QEMU ACPI build > code requires a fw_cfg interface which will also be used to pass QEMU > built ACPI to Xen. Th

[Xen-devel] [RFC QEMU PATCH v4 05/10] xen-hvm: initialize fw_cfg interface

2017-12-07 Thread Haozhong Zhang
Xen is going to reuse QEMU to build ACPI of some devices (e.g., NFIT and SSDT for NVDIMM) for HVM domains. The existing QEMU ACPI build code requires a fw_cfg interface which will also be used to pass QEMU built ACPI to Xen. Therefore, we need to initialize fw_cfg when any ACPI is going to be built