Re: [PATCH v4] block/nvme: introduce PMR support from NVMe 1.4 spec

2020-04-01 Thread Keith Busch
On Wed, Apr 01, 2020 at 03:50:05PM +0100, Stefan Hajnoczi wrote: > On Tue, Mar 24, 2020 at 10:05:26AM -0700, Andrzej Jakowski wrote: > > On 3/23/20 6:28 AM, Stefan Hajnoczi wrote: > > > Excellent, thank you! > > > > > > Reviewed-by: Stefan Hajnoczi > > > > Awesome, thx! Not sure about process...

Re: [PATCH v4] block/nvme: introduce PMR support from NVMe 1.4 spec

2020-04-01 Thread Stefan Hajnoczi
On Tue, Mar 24, 2020 at 10:05:26AM -0700, Andrzej Jakowski wrote: > On 3/23/20 6:28 AM, Stefan Hajnoczi wrote: > > Excellent, thank you! > > > > Reviewed-by: Stefan Hajnoczi > > Awesome, thx! Not sure about process... > Is this patch now staged for inclusion in QEMU? Kevin or Max would normally

Re: [PATCH v4] block/nvme: introduce PMR support from NVMe 1.4 spec

2020-03-24 Thread Andrzej Jakowski
On 3/23/20 6:28 AM, Stefan Hajnoczi wrote: > Excellent, thank you! > > Reviewed-by: Stefan Hajnoczi Awesome, thx! Not sure about process... Is this patch now staged for inclusion in QEMU?

Re: [PATCH v4] block/nvme: introduce PMR support from NVMe 1.4 spec

2020-03-23 Thread Stefan Hajnoczi
On Fri, Mar 20, 2020 at 02:50:29PM -0700, Andrzej Jakowski wrote: > This patch introduces support for PMR that has been defined as part of NVMe > 1.4 > spec. User can now specify a pmrdev option that should point to > HostMemoryBackend. > pmrdev memory region will subsequently be exposed as PCI B

[PATCH v4] block/nvme: introduce PMR support from NVMe 1.4 spec

2020-03-20 Thread Andrzej Jakowski
This patch introduces support for PMR that has been defined as part of NVMe 1.4 spec. User can now specify a pmrdev option that should point to HostMemoryBackend. pmrdev memory region will subsequently be exposed as PCI BAR 2 in emulated NVMe device. Guest OS can perform mmio read and writes to th