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Re: [Qemu-devel] [PATCH RFC 04/10] virtio-pmem: Prototype
From: |
David Hildenbrand |
Subject: |
Re: [Qemu-devel] [PATCH RFC 04/10] virtio-pmem: Prototype |
Date: |
Thu, 17 Jan 2019 13:18:34 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1 |
On 16.01.19 15:46, Eric Blake wrote:
> On 1/16/19 5:35 AM, David Hildenbrand wrote:
>> From: Pankaj Gupta <address@hidden>
>>
>> This is the current protoype of virtio-pmem. Support will require
>> machine changes for the architectures that will support it, so it will
>> not yet be compiled.
>>
>> TODO:
>> - Use separate struct for tracking requests internally
>> - Move request/response structs to linux headers
>> - Factor out linux header sync
>> - Drop debug printfs
>>
>> Signed-off-by: Pankaj Gupta <address@hidden>
>> [ MemoryDevice/MemoryRegion changes, cleanups, addr property "memaddr",
>> split up patches, unplug handler ]
>> Signed-off-by: David Hildenbrand <address@hidden>
>> ---
>
>> +++ b/qapi/misc.json
>> @@ -2949,6 +2949,29 @@
>> }
>> }
>>
>> +##
>> +# @VirtioPMEMDeviceInfo:
>> +#
>> +# VirtioPMEM state information
>> +#
>> +# @id: device's ID
>> +#
>> +# @memaddr: physical address in memory, where device is mapped
>> +#
>> +# @size: size of memory that the device provides
>> +#
>> +# @memdev: memory backend linked with device
>> +#
>> +# Since: 3.1
>
> Now 4.0
Indeed. (if we'll get it into 4.0 of course ;) )
>
>> +##
>> +{ 'struct': 'VirtioPMEMDeviceInfo',
>> + 'data': { '*id': 'str',
>> + 'memaddr': 'size',
>> + 'size': 'size',
>> + 'memdev': 'str'
>> + }
>> +}
>> +
>> ##
>> # @MemoryDeviceInfo:
>> #
>> @@ -2958,7 +2981,8 @@
>> ##
>> { 'union': 'MemoryDeviceInfo',
>
> Does this union need a documentation update that virtio-pmem was added
> in 4.0?
We can add that, makes sense!
Thanks!
>
>> 'data': { 'dimm': 'PCDIMMDeviceInfo',
>> - 'nvdimm': 'PCDIMMDeviceInfo'
>> + 'nvdimm': 'PCDIMMDeviceInfo',
>> + 'virtio-pmem': 'VirtioPMEMDeviceInfo'
>> }
>> }
>>
>>
>
--
Thanks,
David / dhildenb
- [Qemu-devel] [PATCH RFC 03/10] qdev: Provide qdev_get_bus_hotplug_handler(), (continued)
- [Qemu-devel] [PATCH RFC 03/10] qdev: Provide qdev_get_bus_hotplug_handler(), David Hildenbrand, 2019/01/16
- [Qemu-devel] [PATCH RFC 10/10] pc: Enable support for virtio-pmem, David Hildenbrand, 2019/01/16
- [Qemu-devel] [PATCH RFC 07/10] hmp: Handle virtio-pmem when printing memory device infos, David Hildenbrand, 2019/01/16
- [Qemu-devel] [PATCH RFC 06/10] virtio-pci: Proxy for virtio-pmem, David Hildenbrand, 2019/01/16
- [Qemu-devel] [PATCH RFC 08/10] numa: Handle virtio-pmem in NUMA stats, David Hildenbrand, 2019/01/16
- [Qemu-devel] [PATCH RFC 04/10] virtio-pmem: Prototype, David Hildenbrand, 2019/01/16
Re: [Qemu-devel] [Qemu-ppc] [PATCH RFC 04/10] virtio-pmem: Prototype, Murilo Opsfelder Araujo, 2019/01/16
[Qemu-devel] [PATCH RFC 09/10] pc: Support for PCI based memory devices, David Hildenbrand, 2019/01/16