add mrsas_shutdown method
It should be safer to flush controller and disk caches on the shutdown. And to gracefully shut down the controller as well. It seems that the Linux driver has been doing that for a long time. Discussed with: scottl Reviewed by: imp, Sumit Saxena <sumit.saxena@broadcom.com> (both earlier version) MFC after: 3 weeks Sponsored by: Panzura Differential Revision: https://reviews.freebsd.org/D19817
This commit is contained in:
parent
56d0e33e7a
commit
f28ecf2b63
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=348159
@ -1182,6 +1182,39 @@ mrsas_detach(device_t dev)
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
mrsas_shutdown(device_t dev)
|
||||
{
|
||||
struct mrsas_softc *sc;
|
||||
int i;
|
||||
|
||||
sc = device_get_softc(dev);
|
||||
sc->remove_in_progress = 1;
|
||||
if (panicstr == NULL) {
|
||||
if (sc->ocr_thread_active)
|
||||
wakeup(&sc->ocr_chan);
|
||||
i = 0;
|
||||
while (sc->reset_in_progress && i < 15) {
|
||||
i++;
|
||||
if ((i % MRSAS_RESET_NOTICE_INTERVAL) == 0) {
|
||||
mrsas_dprint(sc, MRSAS_INFO,
|
||||
"[%2d]waiting for OCR to be finished "
|
||||
"from %s\n", i, __func__);
|
||||
}
|
||||
pause("mr_shutdown", hz);
|
||||
}
|
||||
if (sc->reset_in_progress) {
|
||||
mrsas_dprint(sc, MRSAS_INFO,
|
||||
"gave up waiting for OCR to be finished\n");
|
||||
}
|
||||
}
|
||||
|
||||
mrsas_flush_cache(sc);
|
||||
mrsas_shutdown_ctlr(sc, MR_DCMD_CTRL_SHUTDOWN);
|
||||
mrsas_disable_intr(sc);
|
||||
return (0);
|
||||
}
|
||||
|
||||
/*
|
||||
* mrsas_free_mem: Frees allocated memory
|
||||
* input: Adapter instance soft state
|
||||
@ -5028,6 +5061,7 @@ static device_method_t mrsas_methods[] = {
|
||||
DEVMETHOD(device_probe, mrsas_probe),
|
||||
DEVMETHOD(device_attach, mrsas_attach),
|
||||
DEVMETHOD(device_detach, mrsas_detach),
|
||||
DEVMETHOD(device_shutdown, mrsas_shutdown),
|
||||
DEVMETHOD(device_suspend, mrsas_suspend),
|
||||
DEVMETHOD(device_resume, mrsas_resume),
|
||||
DEVMETHOD(bus_print_child, bus_generic_print_child),
|
||||
|
Loading…
Reference in New Issue
Block a user