Re: [Qemu-devel] [PATCH 4/4] pc: add 'etc/pcimem64-minimum-address' fw_cfg interface to SeaBIOS

2013-10-16 Thread Michael S. Tsirkin
On Wed, Oct 16, 2013 at 02:19:13PM +0200, Igor Mammedov wrote: > On Wed, 16 Oct 2013 12:29:48 +0300 > "Michael S. Tsirkin" wrote: > > > On Wed, Oct 16, 2013 at 10:49:14AM +0200, Igor Mammedov wrote: > > > 'etc/pcimem64-minimum-address' will allow QEMU to communicate to BIOS > > > where PCI memory

Re: [Qemu-devel] [PATCH 4/4] pc: add 'etc/pcimem64-minimum-address' fw_cfg interface to SeaBIOS

2013-10-16 Thread Igor Mammedov
On Wed, 16 Oct 2013 12:29:48 +0300 "Michael S. Tsirkin" wrote: > On Wed, Oct 16, 2013 at 10:49:14AM +0200, Igor Mammedov wrote: > > 'etc/pcimem64-minimum-address' will allow QEMU to communicate to BIOS > > where PCI memory address space mapping starts in high memory. > > > > Allowing BIOS start

Re: [Qemu-devel] [PATCH 4/4] pc: add 'etc/pcimem64-minimum-address' fw_cfg interface to SeaBIOS

2013-10-16 Thread Michael S. Tsirkin
On Wed, Oct 16, 2013 at 10:49:14AM +0200, Igor Mammedov wrote: > 'etc/pcimem64-minimum-address' will allow QEMU to communicate to BIOS > where PCI memory address space mapping starts in high memory. > > Allowing BIOS start mapping 64-bit PCI BARs at address where QEMU > placed this mapping vs. har

Re: [Qemu-devel] [PATCH 4/4] pc: add 'etc/pcimem64-minimum-address' fw_cfg interface to SeaBIOS

2013-10-16 Thread Michael S. Tsirkin
On Wed, Oct 16, 2013 at 10:49:14AM +0200, Igor Mammedov wrote: > 'etc/pcimem64-minimum-address' will allow QEMU to communicate to BIOS > where PCI memory address space mapping starts in high memory. > > Allowing BIOS start mapping 64-bit PCI BARs at address where QEMU > placed this mapping vs. har

[Qemu-devel] [PATCH 4/4] pc: add 'etc/pcimem64-minimum-address' fw_cfg interface to SeaBIOS

2013-10-16 Thread Igor Mammedov
'etc/pcimem64-minimum-address' will allow QEMU to communicate to BIOS where PCI memory address space mapping starts in high memory. Allowing BIOS start mapping 64-bit PCI BARs at address where QEMU placed this mapping vs. hardcoded value right after highmem RAM. That will allow QEMU to reserve ex

[Qemu-devel] [PATCH 4/4] pc: add 'etc/pcimem64-minimum-address' fw_cfg interface to SeaBIOS

2013-10-15 Thread Igor Mammedov
'etc/pcimem64-minimum-address' will allow QEMU to communicate to BIOS where PCI memory address space mapping starts in high memory. Allowing BIOS start mapping 64-bit PCI BARs at address where QEMU placed this mapping vs. hardcoded value right after highmem RAM. That will allow QEMU to reserve ex