Argh. This was meant for the linuxppc list, will repost, please ignore this.
On 12/07/2019 19:29, Alexey Kardashevskiy wrote:
This is an attempt to allow DMA masks between 32..59 which are not large
enough to use either a PHB3 bypass mode or a sketchy bypass. Depending
on the max order, up to 40 is usually available.
This is based on sha1
a2b6f26c264e Christophe Leroy "powerpc/module64: Use symbolic instructions
names.".
Please comment. Thanks.
Alexey Kardashevskiy (4):
powerpc/powernv/ioda: Fix race in TCE level allocation
powerpc/iommu: Allow bypass-only for DMA
powerpc/powernv/ioda2: Allocate TCE table levels on demand for default
DMA window
powerpc/powernv/ioda2: Create bigger default window with 64k IOMMU
pages
arch/powerpc/include/asm/iommu.h | 8 +-
arch/powerpc/platforms/powernv/pci.h | 2 +-
arch/powerpc/kernel/dma-iommu.c | 11 ++-
arch/powerpc/kernel/iommu.c | 74 +++++++++++++------
arch/powerpc/platforms/powernv/pci-ioda-tce.c | 38 ++++++----
arch/powerpc/platforms/powernv/pci-ioda.c | 40 ++++++++--
6 files changed, 121 insertions(+), 52 deletions(-)
--
Alexey
