On 02/20/2017 11:41 PM, Alexey Kardashevskiy wrote:
Cc: Gavin Shan
Signed-off-by: Alexey Kardashevskiy
Tested-by: Mauricio Faria de Oliveira
P.S.: sorry, late, but for the record.
--
Mauricio Faria de Oliveira
IBM Linux Technology Center
On Wed, Feb 22, 2017 at 02:05:15PM +1100, Alexey Kardashevskiy wrote:
>On 22/02/17 10:28, Gavin Shan wrote:
>> On Tue, Feb 21, 2017 at 01:41:31PM +1100, Alexey Kardashevskiy wrote:
[The subsequent discussion isn't related to the patch itself anymore]
>> One thing would be improved in future, whic
On Tue, Feb 21, 2017 at 01:41:31PM +1100, Alexey Kardashevskiy wrote:
> On POWERNV platform, in order to do DMA via IOMMU (i.e. 32bit DMA in
> our case), a device needs an iommu_table pointer set via
> set_iommu_table_base().
>
> The codeflow is:
> - pnv_pci_ioda2_setup_dma_pe()
> - pnv_pci_
On 22/02/17 10:28, Gavin Shan wrote:
> On Tue, Feb 21, 2017 at 01:41:31PM +1100, Alexey Kardashevskiy wrote:
>> On POWERNV platform, in order to do DMA via IOMMU (i.e. 32bit DMA in
>> our case), a device needs an iommu_table pointer set via
>> set_iommu_table_base().
>>
>> The codeflow is:
>> - pnv
On Tue, Feb 21, 2017 at 01:41:31PM +1100, Alexey Kardashevskiy wrote:
>On POWERNV platform, in order to do DMA via IOMMU (i.e. 32bit DMA in
>our case), a device needs an iommu_table pointer set via
>set_iommu_table_base().
>
>The codeflow is:
>- pnv_pci_ioda2_setup_dma_pe()
> - pnv_pci_ioda2_
On POWERNV platform, in order to do DMA via IOMMU (i.e. 32bit DMA in
our case), a device needs an iommu_table pointer set via
set_iommu_table_base().
The codeflow is:
- pnv_pci_ioda2_setup_dma_pe()
- pnv_pci_ioda2_setup_default_config()
- pnv_ioda_setup_bus_dma() [1]
pnv_pci_ioda2
