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| author | Tony Krowiak <akrowiak@linux.ibm.com> | 2018-09-25 19:16:24 -0400 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2018-09-26 21:02:59 +0200 |
| commit | 81b2b4b76a733ee479af359db59e1c91e3aad4cd (patch) | |
| tree | befbae4af15e3ba3d64c03a1679d7d4d0d4c2e67 /arch/s390 | |
| parent | 3b1eab7fb9da69c9af129058ed5aebb93d40d623 (diff) | |
| download | lwn-81b2b4b76a733ee479af359db59e1c91e3aad4cd.tar.gz lwn-81b2b4b76a733ee479af359db59e1c91e3aad4cd.zip | |
s390: vfio-ap: sysfs interface to view matrix mdev matrix
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>
Reviewed-by: Cornelia Huck <cohuck@redhat.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>
Message-Id: <20180925231641.4954-10-akrowiak@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390')
0 files changed, 0 insertions, 0 deletions