[Qemu-devel] virtio-blk-dataplane performance numbers

2016-01-15 Thread Diana Madalina Craciun
Hi, I made some measurements guest vs bare metal (using virtio-data-plane) and got some results I cannot fully explain. First some details about the setup: - I have an ARM v8 hardware + 1 SSD connected to SATA. I have run FIO using multiple block sizes and IO depths: for i in 1 2 4 8 16 32 do

Re: [Qemu-devel] [PATCH v2 0/2] Add global device ID in virt machine

2017-07-31 Thread Diana Madalina Craciun
Hi Peter, On 07/10/2017 08:10 PM, Peter Maydell wrote: On 23 May 2017 at 12:12, Diana Craciun wrote: The NXP DPAA2 is a hardware architecture designed for high-speeed network packet processing. The DPAA2 hardware components are managed by

Re: [Qemu-devel] [PATCH v2 0/2] Add global device ID in virt machine

2017-07-31 Thread Diana Madalina Craciun
On 07/31/2017 05:06 PM, Michael S. Tsirkin wrote: > On Mon, Jul 31, 2017 at 01:22:45PM +0000, Diana Madalina Craciun wrote: >>>> If we are to use a value of 0 for the constant in case of PCI devices, >>>> what happens if we have multiple PCI controllers? >>> I g

Re: [Qemu-devel] [PATCH v2 0/2] Add global device ID in virt machine

2017-07-31 Thread Diana Madalina Craciun
On 07/06/2017 02:44 AM, Michael S. Tsirkin wrote: > On Wed, May 31, 2017 at 12:02:56PM +0000, Diana Madalina Craciun wrote: >> On 05/25/2017 01:12 AM, Michael S. Tsirkin wrote: >>> On Tue, May 23, 2017 at 02:12:43PM +0300, Diana Craciun wrote: >>>> The NXP DPAA2 is a

Re: [Qemu-devel] [PATCH v2 2/2] Add a unique ID in the virt machine to be used as device ID

2017-08-11 Thread Diana Madalina Craciun
Hi Edgar, On 07/31/2017 06:16 PM, Edgar E. Iglesias wrote: > On Wed, Jul 26, 2017 at 02:22:28PM +0200, Auger Eric wrote: >> Hi Diana, >> On 23/05/2017 13:12, Diana Craciun wrote: >>> Device IDs are required by the ARM GICv3 ITS for IRQ remapping. >>> Currently, for PCI devices, the requester ID

Re: [Qemu-devel] [PATCH v2 0/2] Add global device ID in virt machine

2017-08-11 Thread Diana Madalina Craciun
On 08/01/2017 05:05 AM, Michael S. Tsirkin wrote: > On Mon, Jul 31, 2017 at 03:13:09PM +0000, Diana Madalina Craciun wrote: >> On 07/31/2017 05:06 PM, Michael S. Tsirkin wrote: >>> On Mon, Jul 31, 2017 at 01:22:45PM +0000, Diana Madalina Craciun wrote: >>>>&g

Re: [Qemu-devel] [PATCH v2 1/2] Increased the size of requester_id field from MemTxAttrs

2017-08-11 Thread Diana Madalina Craciun
Hi Eric, On 07/26/2017 03:23 PM, Auger Eric wrote: > Hi Diana, > On 23/05/2017 13:12, Diana Craciun wrote: >> The PCI requester ID field is 16 bits. The requester_id field >> from MemTxAttrs is used for MSIs to specify the device ID for >> the platforms where this device ID is needed (e.g virt

Re: [Qemu-devel] [PATCH v2 2/2] Add a unique ID in the virt machine to be used as device ID

2017-08-11 Thread Diana Madalina Craciun
Hi Eric, Thanks for looking into this. On 07/26/2017 03:22 PM, Auger Eric wrote: Hi Diana, On 23/05/2017 13:12, Diana Craciun wrote: Device IDs are required by the ARM GICv3 ITS for IRQ remapping. Currently, for PCI devices, the requester ID was used as device ID in the virt machine. If the

Re: [Qemu-devel] [PATCH v2 0/2] Add global device ID in virt machine

2017-07-04 Thread Diana Madalina Craciun
ping On 5/23/2017 2:12 PM, Diana Craciun wrote: > The NXP DPAA2 is a hardware architecture designed for high-speeed network > packet processing. The DPAA2 hardware components are managed by a hardware > component called the Management Complex (or MC) which provides an > object-base abstraction

Re: [Qemu-devel] [PATCH v2 2/2] Add a unique ID in the virt machine to be used as device ID

2017-08-22 Thread Diana Madalina Craciun
On 08/11/2017 06:50 PM, Edgar E. Iglesias wrote: > On Fri, Aug 11, 2017 at 02:35:28PM +0000, Diana Madalina Craciun wrote: >> Hi Edgar, >> >> On 07/31/2017 06:16 PM, Edgar E. Iglesias wrote: >>> On Wed, Jul 26, 2017 at 02:22:28PM +0200, Auger Eric wrote: >>&

Re: [Qemu-devel] [PATCH RFC 1/2] Increased the size of requester_id field from MemTxAttrs

2017-05-23 Thread Diana Madalina Craciun
On 04/04/2017 03:27 PM, Peter Maydell wrote: > On 23 March 2017 at 13:36, Diana Craciun wrote: >> The PCI requester ID field is 16 bits. The requester_id field >> from MemTxAttrs is used for MSIs to specify the device ID for >> the platforms where this device ID is needed

Re: [Qemu-devel] [PATCH v2 0/2] Add global device ID in virt machine

2017-05-31 Thread Diana Madalina Craciun
On 05/25/2017 01:12 AM, Michael S. Tsirkin wrote: > On Tue, May 23, 2017 at 02:12:43PM +0300, Diana Craciun wrote: >> The NXP DPAA2 is a hardware architecture designed for high-speeed network >> packet processing. The DPAA2 hardware components are managed by a hardware >> component called the

Re: [Qemu-devel] [PATCH v2 2/2] Add a unique ID in the virt machine to be used as device ID

2017-09-01 Thread Diana Madalina Craciun
On 08/22/2017 10:04 PM, Michael S. Tsirkin wrote: > On Tue, Aug 22, 2017 at 03:13:57PM +0000, Diana Madalina Craciun wrote: >> On 08/11/2017 06:50 PM, Edgar E. Iglesias wrote: >>> On Fri, Aug 11, 2017 at 02:35:28PM +0000, Diana Madalina Craciun wrote: >>>> Hi Edgar,

Re: [Qemu-devel] [PATCH v2 2/2] Add a unique ID in the virt machine to be used as device ID

2017-09-01 Thread Diana Madalina Craciun
On 08/23/2017 11:29 PM, Edgar E. Iglesias wrote: > On Tue, Aug 22, 2017 at 10:04:25PM +0300, Michael S. Tsirkin wrote: >> On Tue, Aug 22, 2017 at 03:13:57PM +0000, Diana Madalina Craciun wrote: >>> On 08/11/2017 06:50 PM, Edgar E. Iglesias wrote: >>>> On Fri, Au