Re: [Xen-devel] [RFC PATCH 04/24] ARM: GICv3 ITS: map ITS command buffer

2016-11-10 Thread Andre Przywara
Hi, On 27/10/16 00:03, Stefano Stabellini wrote: > On Wed, 28 Sep 2016, Andre Przywara wrote: >> Instead of directly manipulating the tables in memory, an ITS driver >> sends commands via a ring buffer to the ITS h/w to create or alter the >> LPI mappings. >> Allocate memory for that buffer and te

Re: [Xen-devel] [RFC PATCH 04/24] ARM: GICv3 ITS: map ITS command buffer

2016-11-02 Thread Julien Grall
Hello Andre, On 28/09/16 19:24, Andre Przywara wrote: Instead of directly manipulating the tables in memory, an ITS driver sends commands via a ring buffer to the ITS h/w to create or alter the LPI mappings. Allocate memory for that buffer and tell the ITS about it to be able to send ITS command

Re: [Xen-devel] [RFC PATCH 04/24] ARM: GICv3 ITS: map ITS command buffer

2016-10-26 Thread Stefano Stabellini
On Wed, 28 Sep 2016, Andre Przywara wrote: > Instead of directly manipulating the tables in memory, an ITS driver > sends commands via a ring buffer to the ITS h/w to create or alter the > LPI mappings. > Allocate memory for that buffer and tell the ITS about it to be able > to send ITS commands. >

Re: [Xen-devel] [RFC PATCH 04/24] ARM: GICv3 ITS: map ITS command buffer

2016-10-24 Thread Vijay Kilari
On Wed, Sep 28, 2016 at 11:54 PM, Andre Przywara wrote: > Instead of directly manipulating the tables in memory, an ITS driver > sends commands via a ring buffer to the ITS h/w to create or alter the > LPI mappings. > Allocate memory for that buffer and tell the ITS about it to be able > to send I

[Xen-devel] [RFC PATCH 04/24] ARM: GICv3 ITS: map ITS command buffer

2016-09-28 Thread Andre Przywara
Instead of directly manipulating the tables in memory, an ITS driver sends commands via a ring buffer to the ITS h/w to create or alter the LPI mappings. Allocate memory for that buffer and tell the ITS about it to be able to send ITS commands. Signed-off-by: Andre Przywara --- xen/arch/arm/gic-