On 26-03-2018 17:15, Robin Murphy wrote:
> Hi Harsh,
>
> On 26/03/18 10:55, Harsh Jain wrote:
>> Hi,
>>
>> Can we add offset to dma address received from IOMMU in scatter/Gather list
>> before sending it to H/W.
>>
>> Address to HW =
On 26-03-2018 17:15, Robin Murphy wrote:
> Hi Harsh,
>
> On 26/03/18 10:55, Harsh Jain wrote:
>> Hi,
>>
>> Can we add offset to dma address received from IOMMU in scatter/Gather list
>> before sending it to H/W.
>>
>> Address to HW =
egards
Harsh Jain
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>
> To that end, fix the intel_map_sg() path to line up the mapping
> correctly (in units of MM pages rather than VT-d pages to match the
> aligned_nrpages() calculation) regardless of the offset, and use
> sg_phys() consistently for clarity.
>
> Reported-by: Harsh Jain
> Sign
21e9c02fe ro
intel_iommu=sp_off crashkernel=auto rhgb quiet rhgb quiet console=ttyS0,115200,
console=tty0 LANG=en_US.UTF-8
>
> On Thu, Sep 28, 2017 at 07:08:21PM +0530, Harsh Jain wrote:
>>
>> Today I tried with "Intel_iommu=sp_off" boot option. Traffic runs without
>>
On 28-09-2017 02:59, Casey Leedom wrote:
> Hey Raj,
>
> Let us know if you need help in gathering more debugging information. For
> the time being we've decided to ERRATA the use of the Intel I/O MMU with
> IPsec till we Root Cause the issue. But this is still at the top of Harsh's
> bug list
On 28-09-2017 16:03, Herbert Xu wrote:
> On Wed, Sep 27, 2017 at 10:13:04PM +, Casey Leedom wrote:
>> | From: Raj, Ashok
>> | Sent: Wednesday, September 27, 2017 12:07 PM
>> |
>> | looking at the debug output i got from Harsh it still looks like a bug in
>> | the code.
>> |
>> | [ 538.28458
On 28-09-2017 03:43, Casey Leedom wrote:
> | From: Raj, Ashok
> | Sent: Wednesday, September 27, 2017 12:07 PM
> |
> | looking at the debug output i got from Harsh it still looks like a bug in
> | the code.
> |
> | [ 538.284589] __domain_mapping nr_pages 0x1
> | [ 538.284600] __domain_mapping sg
On 26-09-2017 01:41, Dan Williams wrote:
> On Mon, Sep 25, 2017 at 1:05 PM, Casey Leedom wrote:
>> | From: Dan Williams
>> | Sent: Monday, September 25, 2017 12:31 PM
>> | ...
>> | IIUC it looks like this has been broken ever since commit e1605495c716
>> | "intel-iommu: Introduce domain_sg_mapp
Find attached new set of log. After repeated tries it panics.
On 26-09-2017 09:16, Harsh Jain wrote:
> On 26-09-2017 00:16, Casey Leedom wrote:
>> | From: Raj, Ashok
>> | Sent: Monday, September 25, 2017 8:54 AM
>> |
>> | Not sure how the page->offset would end u
On 26-09-2017 00:15, David Woodhouse wrote:
> On Wed, 2017-09-20 at 16:01 +0800, Herbert Xu wrote:
>> Harsh Jain wrote:
>>>
>>> While debugging DMA mapping error in chelsio crypto driver we
>> observed that when scatter/gather list received by driver has some
On 26-09-2017 00:16, Casey Leedom wrote:
> | From: Raj, Ashok
> | Sent: Monday, September 25, 2017 8:54 AM
> |
> | Not sure how the page->offset would end up being greater than page-size?
Refer below
> |
> | If you have additional traces, please send them by.
> |
> | Is this a new driver? wonderi
On 20-09-2017 13:31, Herbert Xu wrote:
> Harsh Jain wrote:
>> While debugging DMA mapping error in chelsio crypto driver we observed that
>> when scatter/gather list received by driver has some entry with page->offset
>> > 4096 (PAGE_SIZE). It starts giving DMA err
On 20-09-2017 15:42, Robin Murphy wrote:
> On 20/09/17 09:01, Herbert Xu wrote:
>> Harsh Jain wrote:
>>> While debugging DMA mapping error in chelsio crypto driver we observed that
>>> when scatter/gather list received by driver has some entry with
>>>
received sg list.
3) Since Without IOMMU every thing works fine. We are expecting IOMMU bugs.
Regards
Harsh Jain
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