Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-29 Thread Christian Borntraeger
On 06/29/2017 10:17 AM, Thomas Huth wrote: > On 28.06.2017 10:59, Thomas Huth wrote: >> On 28.06.2017 09:43, Christian Borntraeger wrote: >>> Interesting work, thanks for giving it a ry. >>> >>> On 06/27/2017 01:48 PM, Thomas Huth wrote: It's already possible to do a network boot of an s390x

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-29 Thread Thomas Huth
On 28.06.2017 10:59, Thomas Huth wrote: > On 28.06.2017 09:43, Christian Borntraeger wrote: >> Interesting work, thanks for giving it a ry. >> >> On 06/27/2017 01:48 PM, Thomas Huth wrote: >>> It's already possible to do a network boot of an s390x guest with an >>> external netboot image (based on

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-29 Thread Viktor Mihajlovski
On 29.06.2017 09:58, Thomas Huth wrote: > On 28.06.2017 17:02, Viktor Mihajlovski wrote: >> On 28.06.2017 12:56, Thomas Huth wrote: >>> On 28.06.2017 10:02, Thomas Huth wrote: On 28.06.2017 09:28, Viktor Mihajlovski wrote: > On 27.06.2017 23:40, Thomas Huth wrote: > [...] -

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-29 Thread Thomas Huth
On 28.06.2017 17:02, Viktor Mihajlovski wrote: > On 28.06.2017 12:56, Thomas Huth wrote: >> On 28.06.2017 10:02, Thomas Huth wrote: >>> On 28.06.2017 09:28, Viktor Mihajlovski wrote: On 27.06.2017 23:40, Thomas Huth wrote: [...] >>> - Is it OK to require loading an .INS file first?

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-28 Thread Viktor Mihajlovski
On 28.06.2017 12:56, Thomas Huth wrote: > On 28.06.2017 10:02, Thomas Huth wrote: >> On 28.06.2017 09:28, Viktor Mihajlovski wrote: >>> On 27.06.2017 23:40, Thomas Huth wrote: >>> [...] >> - Is it OK to require loading an .INS file first? Or does anybody >> have a better idea how to load

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-28 Thread Thomas Huth
On 28.06.2017 10:02, Thomas Huth wrote: > On 28.06.2017 09:28, Viktor Mihajlovski wrote: >> On 27.06.2017 23:40, Thomas Huth wrote: >> [...] > - Is it OK to require loading an .INS file first? Or does anybody > have a better idea how to load multiple files (kernel, initrd, > etc.

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-28 Thread Thomas Huth
On 28.06.2017 09:43, Christian Borntraeger wrote: > Interesting work, thanks for giving it a ry. > > On 06/27/2017 01:48 PM, Thomas Huth wrote: >> It's already possible to do a network boot of an s390x guest with an >> external netboot image (based on a Linux installation), but it would >> be

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-28 Thread Gerd Hoffmann
Hi, > > IMHO the only viable next step would be to support UEFI and build > > on top > > of that - either by porting edk2 or U-Boot to s390x. > > I can't speak of U-Boot, but you certainly don't want to port edk2 to > a big endian machine. Been there, seen that. > would really be a knowledge

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-28 Thread Thomas Huth
On 28.06.2017 09:28, Viktor Mihajlovski wrote: > On 27.06.2017 23:40, Thomas Huth wrote: > [...] - Is it OK to require loading an .INS file first? Or does anybody have a better idea how to load multiple files (kernel, initrd, etc. ...)? >>> It would be nice to support PXE-style

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-28 Thread Christian Borntraeger
Interesting work, thanks for giving it a ry. On 06/27/2017 01:48 PM, Thomas Huth wrote: > It's already possible to do a network boot of an s390x guest with an > external netboot image (based on a Linux installation), but it would > be much more convenient if the s390-ccw firmware supported

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-28 Thread Thomas Huth
On 27.06.2017 18:50, Farhan Ali wrote: [...] >> The patches are still in a rough shape, but before I continue here, >> I though I'd get some feedback first. Specifically: >> >> - This adds a lot of additional code to the s390-ccw firmware (and >> the binary is afterwards three times as big as

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-28 Thread Viktor Mihajlovski
On 27.06.2017 23:40, Thomas Huth wrote: [...] >>> - Is it OK to require loading an .INS file first? Or does anybody >>> have a better idea how to load multiple files (kernel, initrd, >>> etc. ...)? >> It would be nice to support PXE-style boot, because the majority of boot >> servers is set up

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-27 Thread Thomas Huth
On 27.06.2017 23:15, Alexander Graf wrote: > > On 27.06.17 13:48, Thomas Huth wrote: [...] >> - The code only supports TFTP (via UDP) ... I think that is OK for >>most use-cases, but if we ever want to support network booting >>via HTTP or something else that is based on TCP, we would

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-27 Thread Thomas Huth
On 27.06.2017 17:50, Viktor Mihajlovski wrote: > On 27.06.2017 13:48, Thomas Huth wrote: [...] >> The patches are still in a rough shape, but before I continue here, >> I though I'd get some feedback first. Specifically: >> >> - This adds a lot of additional code to the s390-ccw firmware (and >>

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-27 Thread Alexander Graf
On 27.06.17 13:48, Thomas Huth wrote: It's already possible to do a network boot of an s390x guest with an external netboot image (based on a Linux installation), but it would be much more convenient if the s390-ccw firmware supported network booting right out of the box, without the need to

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-27 Thread Viktor Mihajlovski
On 27.06.2017 13:48, Thomas Huth wrote: > It's already possible to do a network boot of an s390x guest with an > external netboot image (based on a Linux installation), but it would > be much more convenient if the s390-ccw firmware supported network > booting right out of the box, without the

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-27 Thread David Hildenbrand
On 27.06.2017 13:48, Thomas Huth wrote: > It's already possible to do a network boot of an s390x guest with an > external netboot image (based on a Linux installation), but it would > be much more convenient if the s390-ccw firmware supported network > booting right out of the box, without the

Re: [Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-27 Thread Farhan Ali
Hi Thomas, This is really interesting :) On 06/27/2017 07:48 AM, Thomas Huth wrote: It's already possible to do a network boot of an s390x guest with an external netboot image (based on a Linux installation), but it would be much more convenient if the s390-ccw firmware supported network

[Qemu-devel] [RFC PATCH 00/14] Implement network booting directly into the s390-ccw BIOS

2017-06-27 Thread Thomas Huth
It's already possible to do a network boot of an s390x guest with an external netboot image (based on a Linux installation), but it would be much more convenient if the s390-ccw firmware supported network booting right out of the box, without the need to assemble such an external image first.