Re: [XEN PATCH v7 13/20] xen/arm: ffa: support mapping guest RX/TX buffers

2023-03-03 Thread Jens Wiklander
Hi, On Fri, Mar 3, 2023 at 9:16 AM Bertrand Marquis wrote: > > Hi Jens, > > > On 3 Mar 2023, at 08:41, Jens Wiklander wrote: > > > > Hi Bertrand, > > > > On Thu, Mar 2, 2023 at 4:05 PM Bertrand Marquis > > wrote: > >> > >> Hi Jens, > >> > >>> On 22 Feb 2023, at 16:33, Jens Wiklander > >>> wro

Re: [XEN PATCH v7 13/20] xen/arm: ffa: support mapping guest RX/TX buffers

2023-03-03 Thread Bertrand Marquis
Hi Jens, > On 3 Mar 2023, at 08:41, Jens Wiklander wrote: > > Hi Bertrand, > > On Thu, Mar 2, 2023 at 4:05 PM Bertrand Marquis > wrote: >> >> Hi Jens, >> >>> On 22 Feb 2023, at 16:33, Jens Wiklander wrote: >>> >>> Adds support in the mediator to map and unmap the RX and TX buffers >>> prov

Re: [XEN PATCH v7 13/20] xen/arm: ffa: support mapping guest RX/TX buffers

2023-03-02 Thread Jens Wiklander
Hi Bertrand, On Thu, Mar 2, 2023 at 4:05 PM Bertrand Marquis wrote: > > Hi Jens, > > > On 22 Feb 2023, at 16:33, Jens Wiklander wrote: > > > > Adds support in the mediator to map and unmap the RX and TX buffers > > provided by the guest using the two FF-A functions FFA_RXTX_MAP and > > FFA_RXTX_

Re: [XEN PATCH v7 13/20] xen/arm: ffa: support mapping guest RX/TX buffers

2023-03-02 Thread Bertrand Marquis
Hi Jens, > On 22 Feb 2023, at 16:33, Jens Wiklander wrote: > > Adds support in the mediator to map and unmap the RX and TX buffers > provided by the guest using the two FF-A functions FFA_RXTX_MAP and > FFA_RXTX_UNMAP. > > These buffer are later used to to transmit data that cannot be passed in

[XEN PATCH v7 13/20] xen/arm: ffa: support mapping guest RX/TX buffers

2023-02-22 Thread Jens Wiklander
Adds support in the mediator to map and unmap the RX and TX buffers provided by the guest using the two FF-A functions FFA_RXTX_MAP and FFA_RXTX_UNMAP. These buffer are later used to to transmit data that cannot be passed in registers only. Signed-off-by: Jens Wiklander --- xen/arch/arm/tee/ffa