> From: Jason Gunthorpe <jgg@xxxxxxxx>
> Sent: Wednesday, November 20, 2019 6:53 PM
>
> External Email
>
> ----------------------------------------------------------------------
> On Wed, Nov 20, 2019 at 03:20:09PM +0200, Michal Kalderon wrote:
> > diff --git a/include/uapi/rdma/qedr-abi.h
> > b/include/uapi/rdma/qedr-abi.h index c022ee26089b..a0b83c9d4498
> 100644
> > +++ b/include/uapi/rdma/qedr-abi.h
> > @@ -48,6 +48,18 @@ struct qedr_alloc_ucontext_req {
> > __u32 reserved;
> > };
> >
> > +#define QEDR_LDPM_MAX_SIZE (8192)
> > +#define QEDR_EDPM_TRANS_SIZE (64)
> > +
> > +enum qedr_rdma_dpm_type {
> > + QEDR_DPM_TYPE_NONE = 0,
> > + QEDR_DPM_TYPE_ROCE_ENHANCED = 1 << 0,
> > + QEDR_DPM_TYPE_ROCE_LEGACY = 1 << 1,
> > + QEDR_DPM_TYPE_IWARP_LEGACY = 1 << 2,
> > + QEDR_DPM_TYPE_RESERVED = 1 << 3,
> > + QEDR_DPM_SIZES_SET = 1 << 4,
> > +};
> > +
> > struct qedr_alloc_ucontext_resp {
> > __aligned_u64 db_pa;
> > __u32 db_size;
> > @@ -59,10 +71,12 @@ struct qedr_alloc_ucontext_resp {
> > __u32 sges_per_recv_wr;
> > __u32 sges_per_srq_wr;
> > __u32 max_cqes;
> > - __u8 dpm_enabled;
> > + __u8 dpm_flags;
>
> Is this redefinition backwards compatible with old user space?
> That should be described in the commit message
>
Yes it is, I'll add to the commit message, thanks,
> Jason
