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

2020-04-08 Thread Kevin Wolf
Am 30.03.2020 um 18:55 hat Keith Busch geschrieben: > On Mon, Mar 30, 2020 at 09:46:56AM -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

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

2020-03-31 Thread Andrzej Jakowski
On 3/30/20 12:31 PM, Klaus Birkelund Jensen wrote: > On Mar 31 03:13, Keith Busch wrote: >> On Mon, Mar 30, 2020 at 08:07:32PM +0200, Klaus Birkelund Jensen wrote: >>> On Mar 31 01:55, Keith Busch wrote: On Mon, Mar 30, 2020 at 09:46:56AM -0700, Andrzej Jakowski wrote: > This patch introdu

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

2020-03-30 Thread Klaus Birkelund Jensen
On Mar 31 03:13, Keith Busch wrote: > On Mon, Mar 30, 2020 at 08:07:32PM +0200, Klaus Birkelund Jensen wrote: > > On Mar 31 01:55, Keith Busch wrote: > > > On Mon, Mar 30, 2020 at 09:46:56AM -0700, Andrzej Jakowski wrote: > > > > This patch introduces support for PMR that has been defined as part o

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

2020-03-30 Thread Keith Busch
On Mon, Mar 30, 2020 at 08:07:32PM +0200, Klaus Birkelund Jensen wrote: > On Mar 31 01:55, Keith Busch wrote: > > On Mon, Mar 30, 2020 at 09:46:56AM -0700, Andrzej Jakowski wrote: > > > This patch introduces support for PMR that has been defined as part of > > > NVMe 1.4 > > > spec. User can now s

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

2020-03-30 Thread Klaus Birkelund Jensen
On Mar 31 01:55, Keith Busch wrote: > On Mon, Mar 30, 2020 at 09:46:56AM -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 mem

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

2020-03-30 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

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

2020-03-30 Thread Keith Busch
On Mon, Mar 30, 2020 at 09:46:56AM -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