diff options
| author | Juergen Gross <[email protected]> | 2022-04-28 09:01:03 +0200 |
|---|---|---|
| committer | Juergen Gross <[email protected]> | 2022-05-19 14:21:55 +0200 |
| commit | 7050096d07755c53f71e486af18475050cc4e04b (patch) | |
| tree | d349d6a8581287ad96ceb2c563adc2ecc0ef4f5a /lib/mpi/mpi-sub-ui.c | |
| parent | 6fac592cca60dca0b2a524c303c83e958c2003bb (diff) | |
xen/xenbus: add xenbus_setup_ring() service function
Most PV device frontends share very similar code for setting up shared
ring buffers:
- allocate page(s)
- init the ring admin data
- give the backend access to the ring via grants
Tearing down the ring requires similar actions in all frontends again:
- remove grants
- free the page(s)
Provide service functions xenbus_setup_ring() and xenbus_teardown_ring()
for that purpose.
Signed-off-by: Juergen Gross <[email protected]>
Reviewed-by: Boris Ostrovsky <[email protected]>
Signed-off-by: Juergen Gross <[email protected]>
Diffstat (limited to 'lib/mpi/mpi-sub-ui.c')
0 files changed, 0 insertions, 0 deletions