Re: [dpdk-dev] [PATCH 2/4] vdpa/mlx5: support direct HW notifications

2020-04-27 Thread Maxime Coquelin
On 4/26/20 9:06 AM, Matan Azrad wrote: > > > From: Maxime Coquelin >> On 4/15/20 11:47 AM, Maxime Coquelin wrote: >>> >>> >>> On 3/24/20 3:24 PM, Asaf Penso wrote: From: Matan Azrad Add support for the next 2 callbacks: get_vfio_device_fd and get_notify_area. Th

Re: [dpdk-dev] [PATCH 2/4] vdpa/mlx5: support direct HW notifications

2020-04-26 Thread Matan Azrad
From: Maxime Coquelin > On 4/15/20 11:47 AM, Maxime Coquelin wrote: > > > > > > On 3/24/20 3:24 PM, Asaf Penso wrote: > >> From: Matan Azrad > >> > >> Add support for the next 2 callbacks: > >> get_vfio_device_fd and get_notify_area. > >> > >> This will allow direct HW doorbell ringing from gue

Re: [dpdk-dev] [PATCH 2/4] vdpa/mlx5: support direct HW notifications

2020-04-17 Thread Maxime Coquelin
On 4/15/20 11:47 AM, Maxime Coquelin wrote: > > > On 3/24/20 3:24 PM, Asaf Penso wrote: >> From: Matan Azrad >> >> Add support for the next 2 callbacks: >> get_vfio_device_fd and get_notify_area. >> >> This will allow direct HW doorbell ringing from guest and will save CPU >> usage in host. >

Re: [dpdk-dev] [PATCH 2/4] vdpa/mlx5: support direct HW notifications

2020-04-15 Thread Maxime Coquelin
On 3/24/20 3:24 PM, Asaf Penso wrote: > From: Matan Azrad > > Add support for the next 2 callbacks: > get_vfio_device_fd and get_notify_area. > > This will allow direct HW doorbell ringing from guest and will save CPU > usage in host. > > By this patch, the QEMU will map the physical address

[dpdk-dev] [PATCH 2/4] vdpa/mlx5: support direct HW notifications

2020-03-24 Thread Asaf Penso
From: Matan Azrad Add support for the next 2 callbacks: get_vfio_device_fd and get_notify_area. This will allow direct HW doorbell ringing from guest and will save CPU usage in host. By this patch, the QEMU will map the physical address of the virtio device in guest directly to the physical add