Re: [XEN PATCH v7 11/20] xen/arm: ffa: map SPMC rx/tx buffers

2023-03-01 Thread Jens Wiklander
Hi, On Wed, Mar 1, 2023 at 10:56 AM Bertrand Marquis wrote: > > Hi Jens, > > > On 1 Mar 2023, at 10:30, Jens Wiklander wrote: > > > > Hi Bertrand, > > > > On Tue, Feb 28, 2023 at 1:57 PM Bertrand Marquis > > wrote: > >> > >> Hi Jens, > >> > >>> On 22 Feb 2023, at 16:33, Jens Wiklander > >>> w

Re: [XEN PATCH v7 11/20] xen/arm: ffa: map SPMC rx/tx buffers

2023-03-01 Thread Bertrand Marquis
Hi Jens, > On 1 Mar 2023, at 10:30, Jens Wiklander wrote: > > Hi Bertrand, > > On Tue, Feb 28, 2023 at 1:57 PM Bertrand Marquis > wrote: >> >> Hi Jens, >> >>> On 22 Feb 2023, at 16:33, Jens Wiklander wrote: >>> >>> When initializing the FF-A mediator map the RX and TX buffers shared with >

Re: [XEN PATCH v7 11/20] xen/arm: ffa: map SPMC rx/tx buffers

2023-03-01 Thread Jens Wiklander
Hi Bertrand, On Tue, Feb 28, 2023 at 1:57 PM Bertrand Marquis wrote: > > Hi Jens, > > > On 22 Feb 2023, at 16:33, Jens Wiklander wrote: > > > > When initializing the FF-A mediator map the RX and TX buffers shared with > > the SPMC. > > > > These buffer are later used to to transmit data that can

Re: [XEN PATCH v7 11/20] xen/arm: ffa: map SPMC rx/tx buffers

2023-02-28 Thread Bertrand Marquis
Hi Jens, > On 22 Feb 2023, at 16:33, Jens Wiklander wrote: > > When initializing the FF-A mediator map the RX and TX buffers shared with > the SPMC. > > These buffer are later used to to transmit data that cannot be passed in > registers only. > > Adds a check that the SP supports the needed F

[XEN PATCH v7 11/20] xen/arm: ffa: map SPMC rx/tx buffers

2023-02-22 Thread Jens Wiklander
When initializing the FF-A mediator map the RX and TX buffers shared with the SPMC. These buffer are later used to to transmit data that cannot be passed in registers only. Adds a check that the SP supports the needed FF-A features FFA_RXTX_MAP_64 / FFA_RXTX_MAP_32 and FFA_RXTX_UNMAP. In 64-bit m