Author: np
Date: Tue Aug 18 19:15:20 2015
New Revision: 286898
URL: https://svnweb.freebsd.org/changeset/base/286898
Log:
MFC r271490:
cxgbe(4): add support for the SIOCGI2C ioctl.
Modified:
stable/10/sys/dev/cxgbe/t4_main.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/dev/cxgbe/t4_main.c
==============================================================================
--- stable/10/sys/dev/cxgbe/t4_main.c Tue Aug 18 19:04:55 2015
(r286897)
+++ stable/10/sys/dev/cxgbe/t4_main.c Tue Aug 18 19:15:20 2015
(r286898)
@@ -1386,6 +1386,31 @@ fail:
ifmedia_ioctl(ifp, ifr, &pi->media, cmd);
break;
+ case SIOCGI2C: {
+ struct ifi2creq i2c;
+
+ rc = copyin(ifr->ifr_data, &i2c, sizeof(i2c));
+ if (rc != 0)
+ break;
+ if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) {
+ rc = EPERM;
+ break;
+ }
+ if (i2c.len > sizeof(i2c.data)) {
+ rc = EINVAL;
+ break;
+ }
+ rc = begin_synchronized_op(sc, pi, SLEEP_OK | INTR_OK, "t4i2c");
+ if (rc)
+ return (rc);
+ rc = -t4_i2c_rd(sc, sc->mbox, pi->port_id, i2c.dev_addr,
+ i2c.offset, i2c.len, &i2c.data[0]);
+ end_synchronized_op(sc, 0);
+ if (rc == 0)
+ rc = copyout(&i2c, ifr->ifr_data, sizeof(i2c));
+ break;
+ }
+
default:
rc = ether_ioctl(ifp, cmd, data);
}
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