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mei: fixed address clients for the new platforms

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Enable by default connection to fixed address clients
from user-space for skylake and newer platform.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Usyskin
2016-02-07 23:35:38 +02:00
committed by Greg Kroah-Hartman
parent 06ee536bcb
commit f4e0624618
5 changed files with 57 additions and 6 deletions
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18
drivers/misc/mei/main.c
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@@ -369,12 +369,22 @@ static int mei_ioctl_connect_client(struct file *file,
/* find ME client we're trying to connect to */
me_cl = mei_me_cl_by_uuid(dev, &data->in_client_uuid);
if (!me_cl ||
(me_cl->props.fixed_address && !dev->allow_fixed_address)) {
if (!me_cl) {
dev_dbg(dev->dev, "Cannot connect to FW Client UUID = %pUl\n",
&data->in_client_uuid);
mei_me_cl_put(me_cl);
return -ENOTTY;
rets = -ENOTTY;
goto end;
}
if (me_cl->props.fixed_address) {
bool forbidden = dev->override_fixed_address ?
!dev->allow_fixed_address : !dev->hbm_f_fa_supported;
if (forbidden) {
dev_dbg(dev->dev, "Connection forbidden to FW Client UUID = %pUl\n",
&data->in_client_uuid);
rets = -ENOTTY;
goto end;
}
}
dev_dbg(dev->dev, "Connect to FW Client ID = %d\n",