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-rw-r--r--usr.sbin/bhyve/pci_ahci.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/usr.sbin/bhyve/pci_ahci.c b/usr.sbin/bhyve/pci_ahci.c
index a878ab3..52d424a 100644
--- a/usr.sbin/bhyve/pci_ahci.c
+++ b/usr.sbin/bhyve/pci_ahci.c
@@ -490,6 +490,9 @@ ahci_reset(struct pci_ahci_softc *sc)
for (i = 0; i < sc->ports; i++) {
sc->port[i].ie = 0;
sc->port[i].is = 0;
+ sc->port[i].cmd = (AHCI_P_CMD_SUD | AHCI_P_CMD_POD);
+ if (sc->port[i].bctx)
+ sc->port[i].cmd |= AHCI_P_CMD_CPS;
sc->port[i].sctl = 0;
ahci_port_reset(&sc->port[i]);
}
@@ -1941,8 +1944,15 @@ pci_ahci_port_write(struct pci_ahci_softc *sc, uint64_t offset, uint64_t value)
break;
case AHCI_P_CMD:
{
- p->cmd = value;
-
+ p->cmd &= ~(AHCI_P_CMD_ST | AHCI_P_CMD_SUD | AHCI_P_CMD_POD |
+ AHCI_P_CMD_CLO | AHCI_P_CMD_FRE | AHCI_P_CMD_APSTE |
+ AHCI_P_CMD_ATAPI | AHCI_P_CMD_DLAE | AHCI_P_CMD_ALPE |
+ AHCI_P_CMD_ASP | AHCI_P_CMD_ICC_MASK);
+ p->cmd |= (AHCI_P_CMD_ST | AHCI_P_CMD_SUD | AHCI_P_CMD_POD |
+ AHCI_P_CMD_CLO | AHCI_P_CMD_FRE | AHCI_P_CMD_APSTE |
+ AHCI_P_CMD_ATAPI | AHCI_P_CMD_DLAE | AHCI_P_CMD_ALPE |
+ AHCI_P_CMD_ASP | AHCI_P_CMD_ICC_MASK) & value;
+
if (!(value & AHCI_P_CMD_ST)) {
ahci_port_stop(p);
} else {
@@ -1970,6 +1980,10 @@ pci_ahci_port_write(struct pci_ahci_softc *sc, uint64_t offset, uint64_t value)
p->cmd &= ~AHCI_P_CMD_CLO;
}
+ if (value & AHCI_P_CMD_ICC_MASK) {
+ p->cmd &= ~AHCI_P_CMD_ICC_MASK;
+ }
+
ahci_handle_port(p);
break;
}
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