diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_driver.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_driver.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c index ae7f21a0cdc0..c2fe5417ff45 100644 --- a/drivers/infiniband/hw/ipath/ipath_driver.c +++ b/drivers/infiniband/hw/ipath/ipath_driver.c @@ -1662,6 +1662,22 @@ int ipath_set_linkstate(struct ipath_devdata *dd, u8 newstate) lstate = IPATH_LINKACTIVE; break; + case IPATH_IB_LINK_LOOPBACK: + dev_info(&dd->pcidev->dev, "Enabling IB local loopback\n"); + dd->ipath_ibcctrl |= INFINIPATH_IBCC_LOOPBACK; + ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, + dd->ipath_ibcctrl); + ret = 0; + goto bail; // no state change to wait for + + case IPATH_IB_LINK_EXTERNAL: + dev_info(&dd->pcidev->dev, "Disabling IB local loopback (normal)\n"); + dd->ipath_ibcctrl &= ~INFINIPATH_IBCC_LOOPBACK; + ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, + dd->ipath_ibcctrl); + ret = 0; + goto bail; // no state change to wait for + default: ipath_dbg("Invalid linkstate 0x%x requested\n", newstate); ret = -EINVAL; |
