Re: [Qemu-devel] qemu and own disk driver writing questions

2017-04-19 Thread Kevin Wolf
Am 18.04.2017 um 19:14 hat Stefan Hajnoczi geschrieben: > On Thu, Apr 13, 2017 at 01:57:17PM +0300, Vasiliy Tolstov wrote: > > Hi! If i want to develop some sort of qemu network block driver to own > > storage. I can write qemu driver or tcmu / scst userspace driver and > > attach to qemu block dev

Re: [Qemu-devel] qemu and own disk driver writing questions

2017-04-18 Thread Stefan Hajnoczi
On Thu, Apr 13, 2017 at 01:57:17PM +0300, Vasiliy Tolstov wrote: > Hi! If i want to develop some sort of qemu network block driver to own > storage. I can write qemu driver or tcmu / scst userspace driver and > attach to qemu block device (i'm use linux) > So in theory what path have minimal overhe

[Qemu-devel] qemu and own disk driver writing questions

2017-04-13 Thread Vasiliy Tolstov
Hi! If i want to develop some sort of qemu network block driver to own storage. I can write qemu driver or tcmu / scst userspace driver and attach to qemu block device (i'm use linux) So in theory what path have minimal overhead in case of memory copy and performance? Where i can find some info how