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cxgbe(4): add support for the SIOCGI2C ioctl.

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This commit is contained in:
Navdeep Parhar 2014-09-12 21:56:57 +00:00
parent 2d69d0dcc2
commit 8374717dc0
1 changed files with 25 additions and 0 deletions
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25
sys/dev/cxgbe/t4_main.c
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@ -1378,6 +1378,31 @@ 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);
}