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/openbmc/qemu/docs/interop/
H A Dpr-helper.rstb855f8d175a0a26c9798cbc5962bb8c0d9538231 Mon Aug 21 23:50:18 CDT 2017 Paolo Bonzini <pbonzini@redhat.com> scsi: build qemu-pr-helper

Introduce a privileged helper to run persistent reservation commands.
This lets virtual machines send persistent reservations without using
CAP_SYS_RAWIO or out-of-tree patches. The helper uses Unix permissions
and SCM_RIGHTS to restrict access to processes that can access its socket
and prove that they have an open file descriptor for a raw SCSI device.

The next patch will also correct the usage of persistent reservations
with multipath devices.

It would also be possible to support for Linux's IOC_PR_* ioctls in
the future, to support NVMe devices. For now, however, only SCSI is
supported.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
/openbmc/qemu/scsi/
H A Dpr-helper.hb855f8d175a0a26c9798cbc5962bb8c0d9538231 Mon Aug 21 23:50:18 CDT 2017 Paolo Bonzini <pbonzini@redhat.com> scsi: build qemu-pr-helper

Introduce a privileged helper to run persistent reservation commands.
This lets virtual machines send persistent reservations without using
CAP_SYS_RAWIO or out-of-tree patches. The helper uses Unix permissions
and SCM_RIGHTS to restrict access to processes that can access its socket
and prove that they have an open file descriptor for a raw SCSI device.

The next patch will also correct the usage of persistent reservations
with multipath devices.

It would also be possible to support for Linux's IOC_PR_* ioctls in
the future, to support NVMe devices. For now, however, only SCSI is
supported.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
H A Dqemu-pr-helper.cb855f8d175a0a26c9798cbc5962bb8c0d9538231 Mon Aug 21 23:50:18 CDT 2017 Paolo Bonzini <pbonzini@redhat.com> scsi: build qemu-pr-helper

Introduce a privileged helper to run persistent reservation commands.
This lets virtual machines send persistent reservations without using
CAP_SYS_RAWIO or out-of-tree patches. The helper uses Unix permissions
and SCM_RIGHTS to restrict access to processes that can access its socket
and prove that they have an open file descriptor for a raw SCSI device.

The next patch will also correct the usage of persistent reservations
with multipath devices.

It would also be possible to support for Linux's IOC_PR_* ioctls in
the future, to support NVMe devices. For now, however, only SCSI is
supported.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
/openbmc/qemu/
H A DMakefileb855f8d175a0a26c9798cbc5962bb8c0d9538231 Mon Aug 21 23:50:18 CDT 2017 Paolo Bonzini <pbonzini@redhat.com> scsi: build qemu-pr-helper

Introduce a privileged helper to run persistent reservation commands.
This lets virtual machines send persistent reservations without using
CAP_SYS_RAWIO or out-of-tree patches. The helper uses Unix permissions
and SCM_RIGHTS to restrict access to processes that can access its socket
and prove that they have an open file descriptor for a raw SCSI device.

The next patch will also correct the usage of persistent reservations
with multipath devices.

It would also be possible to support for Linux's IOC_PR_* ioctls in
the future, to support NVMe devices. For now, however, only SCSI is
supported.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
H A Dconfigureb855f8d175a0a26c9798cbc5962bb8c0d9538231 Mon Aug 21 23:50:18 CDT 2017 Paolo Bonzini <pbonzini@redhat.com> scsi: build qemu-pr-helper

Introduce a privileged helper to run persistent reservation commands.
This lets virtual machines send persistent reservations without using
CAP_SYS_RAWIO or out-of-tree patches. The helper uses Unix permissions
and SCM_RIGHTS to restrict access to processes that can access its socket
and prove that they have an open file descriptor for a raw SCSI device.

The next patch will also correct the usage of persistent reservations
with multipath devices.

It would also be possible to support for Linux's IOC_PR_* ioctls in
the future, to support NVMe devices. For now, however, only SCSI is
supported.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>