> From: Jason Gunthorpe <jgg@xxxxxxxx> > On Wed, Apr 17, 2024 at 07:20:59AM -0700, Konstantin Taranov wrote: > > From: Konstantin Taranov <kotaranov@xxxxxxxxxxxxx> > > > > Implement allocation of DMA-mapped memory regions. > > > > Signed-off-by: Konstantin Taranov <kotaranov@xxxxxxxxxxxxx> > > --- > > drivers/infiniband/hw/mana/device.c | 1 + > > drivers/infiniband/hw/mana/mr.c | 36 > +++++++++++++++++++++++++++++ > > include/net/mana/gdma.h | 5 ++++ > > 3 files changed, 42 insertions(+) > > What is the point of doing this without supporting enough verbs to allow a > kernel ULP? > True, the proposed code is useless at this state. Nevertheless, mana_ib team aims to send kernel ULP patches after we are done with uverbs pathes (i.e., udata is not null). As this change does not conflict with the current effort, I decided to send this patch now. I can extend the series to make it more useful. Jason, could you suggest a minimal list of ib_device_ops methods, that includes get_dma_mr, which can be approved? Thanks, Konstantin > Jason
