Re: [Qemu-devel] [PATCH] ahci: advertise HOST_CAP_64

2017-01-31 Thread Ladi Prosek
On Tue, Jan 31, 2017 at 1:56 PM, John Snow wrote: > > > On 01/16/2017 02:49 AM, Ladi Prosek wrote: >> On Fri, Jan 13, 2017 at 8:15 PM, John Snow wrote: >>> >>> >>> On 01/13/2017 02:01 PM, Ladi Prosek wrote: On Fri, Jan 13, 2017 at 7:31 PM, John Snow

Re: [Qemu-devel] [PATCH] ahci: advertise HOST_CAP_64

2017-01-31 Thread John Snow
On 01/16/2017 02:49 AM, Ladi Prosek wrote: > On Fri, Jan 13, 2017 at 8:15 PM, John Snow wrote: >> >> >> On 01/13/2017 02:01 PM, Ladi Prosek wrote: >>> On Fri, Jan 13, 2017 at 7:31 PM, John Snow wrote: On 01/13/2017 01:12 PM, Ladi Prosek wrote:

Re: [Qemu-devel] [PATCH] ahci: advertise HOST_CAP_64

2017-01-15 Thread Ladi Prosek
On Fri, Jan 13, 2017 at 8:15 PM, John Snow wrote: > > > On 01/13/2017 02:01 PM, Ladi Prosek wrote: >> On Fri, Jan 13, 2017 at 7:31 PM, John Snow wrote: >>> >>> >>> On 01/13/2017 01:12 PM, Ladi Prosek wrote: On Fri, Jan 13, 2017 at 6:23 PM, John Snow

Re: [Qemu-devel] [PATCH] ahci: advertise HOST_CAP_64

2017-01-13 Thread John Snow
On 01/13/2017 02:01 PM, Ladi Prosek wrote: > On Fri, Jan 13, 2017 at 7:31 PM, John Snow wrote: >> >> >> On 01/13/2017 01:12 PM, Ladi Prosek wrote: >>> On Fri, Jan 13, 2017 at 6:23 PM, John Snow wrote: On 01/13/2017 06:02 AM, Ladi Prosek wrote: > The

Re: [Qemu-devel] [PATCH] ahci: advertise HOST_CAP_64

2017-01-13 Thread Ladi Prosek
On Fri, Jan 13, 2017 at 7:31 PM, John Snow wrote: > > > On 01/13/2017 01:12 PM, Ladi Prosek wrote: >> On Fri, Jan 13, 2017 at 6:23 PM, John Snow wrote: >>> On 01/13/2017 06:02 AM, Ladi Prosek wrote: The AHCI emulation code supports 64-bit addressing and

Re: [Qemu-devel] [PATCH] ahci: advertise HOST_CAP_64

2017-01-13 Thread John Snow
On 01/13/2017 01:12 PM, Ladi Prosek wrote: > On Fri, Jan 13, 2017 at 6:23 PM, John Snow wrote: >> On 01/13/2017 06:02 AM, Ladi Prosek wrote: >>> The AHCI emulation code supports 64-bit addressing and should advertise this >>> fact in the Host Capabilities register. Both Linux

Re: [Qemu-devel] [PATCH] ahci: advertise HOST_CAP_64

2017-01-13 Thread Ladi Prosek
On Fri, Jan 13, 2017 at 6:23 PM, John Snow wrote: > On 01/13/2017 06:02 AM, Ladi Prosek wrote: >> The AHCI emulation code supports 64-bit addressing and should advertise this >> fact in the Host Capabilities register. Both Linux and Windows drivers test >> this bit to decide if

Re: [Qemu-devel] [PATCH] ahci: advertise HOST_CAP_64

2017-01-13 Thread John Snow
On 01/13/2017 06:02 AM, Ladi Prosek wrote: > The AHCI emulation code supports 64-bit addressing and should advertise this > fact in the Host Capabilities register. Both Linux and Windows drivers test > this bit to decide if the upper 32 bits of various registers may be written > to, and at least

[Qemu-devel] [PATCH] ahci: advertise HOST_CAP_64

2017-01-13 Thread Ladi Prosek
The AHCI emulation code supports 64-bit addressing and should advertise this fact in the Host Capabilities register. Both Linux and Windows drivers test this bit to decide if the upper 32 bits of various registers may be written to, and at least some versions of Windows have a bug where DMA is