Re: [Qemu-devel] [PATCH RFC 1/2] Increased the size of requester_id field from MemTxAttrs

2017-05-23 Thread Diana Madalina Craciun
On 04/04/2017 03:27 PM, Peter Maydell wrote: > On 23 March 2017 at 13:36, Diana Craciun wrote: >> The PCI requester ID field is 16 bits. The requester_id field >> from MemTxAttrs is used for MSIs to specify the device ID for >> the platforms where this device ID is needed

Re: [Qemu-devel] [PATCH RFC 1/2] Increased the size of requester_id field from MemTxAttrs

2017-04-04 Thread Peter Maydell
On 23 March 2017 at 13:36, Diana Craciun wrote: > The PCI requester ID field is 16 bits. The requester_id field > from MemTxAttrs is used for MSIs to specify the device ID for > the platforms where this device ID is needed (e.g virt machine + GICv3 > ITS). However, if more

[Qemu-devel] [PATCH RFC 1/2] Increased the size of requester_id field from MemTxAttrs

2017-03-23 Thread Diana Craciun
The PCI requester ID field is 16 bits. The requester_id field from MemTxAttrs is used for MSIs to specify the device ID for the platforms where this device ID is needed (e.g virt machine + GICv3 ITS). However, if more entities that uses MSIs in the system are used, 16 bit is no longer enough to