diff options
| author |   Harald Freudenberger <freude@linux.ibm.com> | 2021-11-16 14:54:19 +0100 |
|---|---|---|
| committer |   Vasily Gorbik <gor@linux.ibm.com> | 2022-03-08 00:33:00 +0100 |
| commit | 985214af939b9935dac94aa6fb56c85039fb77e8 (patch) | |
| tree | a78d9e79d21960e1da716859730702e1b2fbf215 /drivers/s390/crypto/ap_bus.c | |
| parent | s390/ap/zcrypt: debug feature improvements (diff) | |
| download | linux-dev-985214af939b9935dac94aa6fb56c85039fb77e8.tar.xz linux-dev-985214af939b9935dac94aa6fb56c85039fb77e8.zip | |
s390/zcrypt: CEX8S exploitation support
This patch adds CEX8 exploitation support for the AP bus code,
the zcrypt device driver zoo and the vfio device driver.
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Jürgen Christ <jchrist@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/s390/crypto/ap_bus.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 555cc3394fe3..0f8f4230dbc2 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -1589,24 +1589,24 @@ static int ap_get_compatible_type(ap_qid_t qid, int rawtype, unsigned int func) AP_QID_QUEUE(qid), rawtype); return 0; } - /* up to CEX7 known and fully supported */ - if (rawtype <= AP_DEVICE_TYPE_CEX7) + /* up to CEX8 known and fully supported */ + if (rawtype <= AP_DEVICE_TYPE_CEX8) return rawtype; /* - * unknown new type > CEX7, check for compatibility + * unknown new type > CEX8, check for compatibility * to the highest known and supported type which is - * currently CEX7 with the help of the QACT function. + * currently CEX8 with the help of the QACT function. */ if (ap_qact_available()) { struct ap_queue_status status; union ap_qact_ap_info apinfo = {0}; apinfo.mode = (func >> 26) & 0x07; - apinfo.cat = AP_DEVICE_TYPE_CEX7; + apinfo.cat = AP_DEVICE_TYPE_CEX8; status = ap_qact(qid, 0, &apinfo); if (status.response_code == AP_RESPONSE_NORMAL && apinfo.cat >= AP_DEVICE_TYPE_CEX2A - && apinfo.cat <= AP_DEVICE_TYPE_CEX7) + && apinfo.cat <= AP_DEVICE_TYPE_CEX8) comp_type = apinfo.cat; } if (!comp_type) |