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Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named
From: |
Laszlo Ersek |
Subject: |
Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries |
Date: |
Thu, 26 Jan 2017 19:25:22 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 |
On 01/26/17 19:15, Michael S. Tsirkin wrote:
> On Thu, Jan 26, 2017 at 06:43:22PM +0100, Laszlo Ersek wrote:
>> On 01/26/17 16:20, Michael S. Tsirkin wrote:
>>> On Thu, Jan 26, 2017 at 01:48:37AM +0100, Laszlo Ersek wrote:
>>
>>>> But, again, I'd like to keep COMMAND_ALLOCATE_RETURN_ADDR 8-byte wide.
>>>
>>>
>>> What is COMMAND_ALLOCATE_RETURN_ADDR? I'm only familiar with
>>> COMMAND_ALLOCATE.
>>
>> It's a new command being introduced in this series, at my suggestion. It
>> does the exact same thing as COMMAND_ALLOCATE, except once the
>> allocation / download is carried out by the firmware, the firmware
>> writes back the allocation address to the fw_cfg file that is named in
>> an additional field of the COMMAND_ALLOCATE_RETURN_ADDR structure. (This
>> is how QEMU learns where the blob in GPA space was placed by the
>> firmware.) The format for this address-receiving fw_cfg file is supposed
>> to be 8-byte, little endian.
>
> I see. I really think it's better as a separate command though.
> E.g. COMMAND_WRITE_PTR?
Sure, but please provide specifics, otherwise Ben & myself will have a
hard time divining & implementing your intent :)
Thanks,
Laszlo
- [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, (continued)
- [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, ben, 2017/01/24
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Laszlo Ersek, 2017/01/24
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Ben Warren, 2017/01/25
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Michael S. Tsirkin, 2017/01/25
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Laszlo Ersek, 2017/01/25
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Ben Warren, 2017/01/26
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Laszlo Ersek, 2017/01/26
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Michael S. Tsirkin, 2017/01/26
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Laszlo Ersek, 2017/01/26
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Michael S. Tsirkin, 2017/01/26
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries,
Laszlo Ersek <=
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Michael S. Tsirkin, 2017/01/26
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Laszlo Ersek, 2017/01/26
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Kevin O'Connor, 2017/01/27
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Laszlo Ersek, 2017/01/27
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Kevin O'Connor, 2017/01/27
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Laszlo Ersek, 2017/01/27
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Ben Warren, 2017/01/27
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Laszlo Ersek, 2017/01/30
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Michael S. Tsirkin, 2017/01/30
- Re: [Qemu-devel] [PATCH v4 1/9] ACPI: Add a function for building named qword entries, Igor Mammedov, 2017/01/31