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SubjectRe: [PATCH v10 09/26] s390: vfio-ap: sysfs interface to view matrix mdev matrix
On Wed, 12 Sep 2018 15:42:59 -0400
Tony Krowiak <akrowiak@linux.vnet.ibm.com> wrote:

> From: Tony Krowiak <akrowiak@linux.ibm.com>
>
> Provides a sysfs interface to view the AP matrix configured for the
> mediated matrix device.
>
> The relevant sysfs structures are:
>
> /sys/devices/vfio_ap/matrix/
> ...... [mdev_supported_types]
> ......... [vfio_ap-passthrough]
> ............ [devices]
> ...............[$uuid]
> .................. matrix
>
> To view the matrix configured for the mediated matrix device,
> print the matrix file:
>
> cat matrix
>
> Below are examples of the output from the above command:
>
> Example 1: Adapters and domains assigned
> Assignments:
> Adapters 5 and 6
> Domains 4 and 71 (0x47)
>
> Output
> 05.0004
> 05.0047
> 06.0004
> 06.0047
>
> Examples 2: Only adapters assigned
> Assignments:
> Adapters 5 and 6
>
> Output:
> 05.
> 06.
>
> Examples 3: Only domains assigned
> Assignments:
> Domains 4 and 71 (0x47)
>
> Output:
> .0004
> .0047
>
> Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com>
> Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
> Tested-by: Michael Mueller <mimu@linux.ibm.com>
> Tested-by: Farhan Ali <alifm@linux.ibm.com>
> Tested-by: Pierre Morel <pmorel@linux.ibm.com>
> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
> ---
> drivers/s390/crypto/vfio_ap_ops.c | 51 +++++++++++++++++++++++++++++++++++++
> 1 files changed, 51 insertions(+), 0 deletions(-)

Reviewed-by: Cornelia Huck <cohuck@redhat.com>

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