diff options
Diffstat (limited to 'usr.sbin/bhyve/uart_emul.c')
| -rw-r--r-- | usr.sbin/bhyve/uart_emul.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/usr.sbin/bhyve/uart_emul.c b/usr.sbin/bhyve/uart_emul.c index 930344a52935b..a89974590a1fc 100644 --- a/usr.sbin/bhyve/uart_emul.c +++ b/usr.sbin/bhyve/uart_emul.c @@ -39,6 +39,8 @@ __FBSDID("$FreeBSD$"); #include <capsicum_helpers.h> #endif +#include <machine/vmm_snapshot.h> + #include <stdio.h> #include <stdlib.h> #include <assert.h> @@ -719,3 +721,35 @@ uart_set_backend(struct uart_softc *sc, const char *opts) return (retval); } + +#ifdef BHYVE_SNAPSHOT +int +uart_snapshot(struct uart_softc *sc, struct vm_snapshot_meta *meta) +{ + int ret; + + SNAPSHOT_VAR_OR_LEAVE(sc->data, meta, ret, done); + SNAPSHOT_VAR_OR_LEAVE(sc->ier, meta, ret, done); + SNAPSHOT_VAR_OR_LEAVE(sc->lcr, meta, ret, done); + SNAPSHOT_VAR_OR_LEAVE(sc->mcr, meta, ret, done); + SNAPSHOT_VAR_OR_LEAVE(sc->lsr, meta, ret, done); + SNAPSHOT_VAR_OR_LEAVE(sc->msr, meta, ret, done); + SNAPSHOT_VAR_OR_LEAVE(sc->fcr, meta, ret, done); + SNAPSHOT_VAR_OR_LEAVE(sc->scr, meta, ret, done); + + SNAPSHOT_VAR_OR_LEAVE(sc->dll, meta, ret, done); + SNAPSHOT_VAR_OR_LEAVE(sc->dlh, meta, ret, done); + + SNAPSHOT_VAR_OR_LEAVE(sc->rxfifo.rindex, meta, ret, done); + SNAPSHOT_VAR_OR_LEAVE(sc->rxfifo.windex, meta, ret, done); + SNAPSHOT_VAR_OR_LEAVE(sc->rxfifo.num, meta, ret, done); + SNAPSHOT_VAR_OR_LEAVE(sc->rxfifo.size, meta, ret, done); + SNAPSHOT_BUF_OR_LEAVE(sc->rxfifo.buf, sizeof(sc->rxfifo.buf), + meta, ret, done); + + sc->thre_int_pending = 1; + +done: + return (ret); +} +#endif |