Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-06 Thread Jason Wang
; Gonglei (Arei) ; Yechuan ; Huangzhichao ; qemu-devel Subject: Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa On Wed, Jan 5, 2022 at 3:02 PM Michael S. Tsirkin wrote: On Wed, Jan 05, 2022 at 12:35:53PM +0800, Jason Wang wrote: On Wed, Jan 5, 2022 at 8:59 AM Longpeng(Mike) wrote: From

Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-06 Thread Jason Wang
Hajnoczi; Stefano Garzarella; Cornelia Huck; pbonzini ; Gonglei (Arei); Yechuan ; Huangzhichao; qemu-devel Subject: Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa On Wed, Jan 5, 2022 at 8:26 PM Michael S. Tsirkin wrote: On Wed, Jan 05, 2022 at 05:09:07PM +0800, Jason Wang wrote: On Wed

Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-06 Thread Michael S. Tsirkin
t; > > To: Michael S. Tsirkin > > > > > Cc: Longpeng (Mike, Cloud Infrastructure Service Product Dept.) > > > > > ; Stefan Hajnoczi ; Stefano > > > > > Garzarella ; Cornelia Huck ; > > > > > pbonzini > > > > > ; Gonglei

RE: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-06 Thread longpeng2--- via
pbonzini > ; Gonglei (Arei) ; Yechuan > ; Huangzhichao ; qemu-devel > > Subject: Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa > > On Wed, Jan 5, 2022 at 8:26 PM Michael S. Tsirkin wrote: > > > > On Wed, Jan 05, 2022 at 05:09:07PM +0800, Jason Wang wrote:

Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-05 Thread Jason Wang
; > > > ; Stefan Hajnoczi ; Stefano > > > > Garzarella ; Cornelia Huck ; > > > > pbonzini > > > > ; Gonglei (Arei) ; Yechuan > > > > ; Huangzhichao ; qemu-devel > > > > > > > > Subject: Re: [RFC 02/10] vhost: ad

Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-05 Thread Michael S. Tsirkin
t; > ; Gonglei (Arei) ; Yechuan > > > ; Huangzhichao ; qemu-devel > > > > > > Subject: Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa > > > > > > On Wed, Jan 5, 2022 at 3:02 PM Michael S. Tsirkin wrote: > > > > > > > >

Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-05 Thread Jason Wang
On Wed, Jan 5, 2022 at 5:12 PM Michael S. Tsirkin wrote: > > On Wed, Jan 05, 2022 at 03:54:13PM +0800, Jason Wang wrote: > > On Wed, Jan 5, 2022 at 3:02 PM Michael S. Tsirkin wrote: > > > > > > On Wed, Jan 05, 2022 at 12:35:53PM +0800, Jason Wang wrote: > > > > On Wed, Jan 5, 2022 at 8:59 AM Long

Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-05 Thread Michael S. Tsirkin
On Wed, Jan 05, 2022 at 03:54:13PM +0800, Jason Wang wrote: > On Wed, Jan 5, 2022 at 3:02 PM Michael S. Tsirkin wrote: > > > > On Wed, Jan 05, 2022 at 12:35:53PM +0800, Jason Wang wrote: > > > On Wed, Jan 5, 2022 at 8:59 AM Longpeng(Mike) > > > wrote: > > > > > > > > From: Longpeng > > > > > >

Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-05 Thread Jason Wang
in > > Cc: Longpeng (Mike, Cloud Infrastructure Service Product Dept.) > > ; Stefan Hajnoczi ; Stefano > > Garzarella ; Cornelia Huck ; > > pbonzini > > ; Gonglei (Arei) ; Yechuan > > ; Huangzhichao ; qemu-devel > > > > Subject: Re: [RFC 02/10] vhost: add 3

RE: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-05 Thread longpeng2--- via
pbonzini > ; Gonglei (Arei) ; Yechuan > ; Huangzhichao ; qemu-devel > > Subject: Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa > > On Wed, Jan 5, 2022 at 3:02 PM Michael S. Tsirkin wrote: > > > > On Wed, Jan 05, 2022 at 12:35:53PM +0800, Jason Wang wrote:

Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-04 Thread Jason Wang
On Wed, Jan 5, 2022 at 3:02 PM Michael S. Tsirkin wrote: > > On Wed, Jan 05, 2022 at 12:35:53PM +0800, Jason Wang wrote: > > On Wed, Jan 5, 2022 at 8:59 AM Longpeng(Mike) wrote: > > > > > > From: Longpeng > > > > > > To support generic vdpa deivce, we need add the following ioctls: > > > - GET_V

Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-04 Thread Michael S. Tsirkin
On Wed, Jan 05, 2022 at 12:35:53PM +0800, Jason Wang wrote: > On Wed, Jan 5, 2022 at 8:59 AM Longpeng(Mike) wrote: > > > > From: Longpeng > > > > To support generic vdpa deivce, we need add the following ioctls: > > - GET_VECTORS_NUM: the count of vectors that supported > > Does this mean MSI ve

Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-04 Thread Jason Wang
; Stefano Garzarella ; Cornelia Huck ; pbonzini ; Gonglei (Arei) ; Yechuan ; Huangzhichao ; qemu-devel Subject: Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa On Wed, Jan 5, 2022 at 8:59 AM Longpeng(Mike) wrote: From: Longpeng To support generic vdpa deivce, we need add the following

RE: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-04 Thread longpeng2--- via
Gonglei (Arei) ; Yechuan > ; Huangzhichao ; qemu-devel > > Subject: Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa > > On Wed, Jan 5, 2022 at 8:59 AM Longpeng(Mike) wrote: > > > > From: Longpeng > > > > To support generic vdpa deivce, we need add th

Re: [RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-04 Thread Jason Wang
On Wed, Jan 5, 2022 at 8:59 AM Longpeng(Mike) wrote: > > From: Longpeng > > To support generic vdpa deivce, we need add the following ioctls: > - GET_VECTORS_NUM: the count of vectors that supported Does this mean MSI vectors? If yes, it looks like a layer violation: vhost is transport independe

[RFC 02/10] vhost: add 3 commands for vhost-vdpa

2022-01-04 Thread Longpeng(Mike)
From: Longpeng To support generic vdpa deivce, we need add the following ioctls: - GET_VECTORS_NUM: the count of vectors that supported - GET_CONFIG_SIZE: the size of the virtio config space - GET_VQS_NUM: the count of virtqueues that exported Signed-off-by: Longpeng --- linux-headers/linux/vh