On Wed, 2016-13-07 at 21:17:01 UTC, Ian Munsie wrote: > From: Ian Munsie <imun...@au1.ibm.com> > > This extends the check that the adapter is in a CAPI capable slot so > that it may be called by external users in the kernel API. This will be > used by the upcoming Mellanox CX4 support, which needs to know ahead of > time if the card can be switched to cxl mode so that it can leave it in > PCI mode if it is not. > > This API takes a parameter to check if CAPP DMA mode is supported, which > it currently only allows on P8NVL systems, since that mode currently has > issues accessing memory < 4GB on P8, and we cannot realistically avoid > that. > > This API does not currently check if a CAPP unit is available (i.e. not > already assigned to another PHB) on P8. Doing so would be racy since it > is assigned on a first come first serve basis, and so long as CAPP DMA > mode is not supported on P8 we don't need this, since the only > anticipated user of this API requires CAPP DMA mode. > > Cc: Philippe Bergheaud <fe...@linux.vnet.ibm.com> > Signed-off-by: Ian Munsie <imun...@au1.ibm.com> > Reviewed-by: Andrew Donnellan <andrew.donnel...@au1.ibm.com> > Reviewed-by: Frederic Barrat <fbar...@linux.vnet.ibm.com>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/4e56f858bdde5cbfb70f61badd cheers _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev