diff options
Diffstat (limited to 'drivers/s390/crypto/ap_bus.c')
| -rw-r--r-- | drivers/s390/crypto/ap_bus.c | 34 |
1 files changed, 13 insertions, 21 deletions
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 420120be300f..339812efe822 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * Copyright IBM Corp. 2006, 2021 + * Copyright IBM Corp. 2006, 2023 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> * Martin Schwidefsky <schwidefsky@de.ibm.com> * Ralph Wuerthner <rwuerthn@de.ibm.com> @@ -219,6 +219,15 @@ int ap_sb_available(void) } /* + * ap_is_se_guest(): Check for SE guest with AP pass-through support. + */ +bool ap_is_se_guest(void) +{ + return is_prot_virt_guest() && ap_sb_available(); +} +EXPORT_SYMBOL(ap_is_se_guest); + +/* * ap_fetch_qci_info(): Fetch cryptographic config info * * Returns the ap configuration info fetched via PQAP(QCI). @@ -387,23 +396,6 @@ static int ap_queue_info(ap_qid_t qid, int *q_type, unsigned int *q_fac, *q_ml = tapq_info.ml; *q_decfg = status.response_code == AP_RESPONSE_DECONFIGURED; *q_cstop = status.response_code == AP_RESPONSE_CHECKSTOPPED; - switch (*q_type) { - /* For CEX2 and CEX3 the available functions - * are not reflected by the facilities bits. - * Instead it is coded into the type. So here - * modify the function bits based on the type. - */ - case AP_DEVICE_TYPE_CEX2A: - case AP_DEVICE_TYPE_CEX3A: - *q_fac |= 0x08000000; - break; - case AP_DEVICE_TYPE_CEX2C: - case AP_DEVICE_TYPE_CEX3C: - *q_fac |= 0x10000000; - break; - default: - break; - } return 1; default: /* @@ -1678,8 +1670,8 @@ static int ap_get_compatible_type(ap_qid_t qid, int rawtype, unsigned int func) { int comp_type = 0; - /* < CEX2A is not supported */ - if (rawtype < AP_DEVICE_TYPE_CEX2A) { + /* < CEX4 is not supported */ + if (rawtype < AP_DEVICE_TYPE_CEX4) { AP_DBF_WARN("%s queue=%02x.%04x unsupported type %d\n", __func__, AP_QID_CARD(qid), AP_QID_QUEUE(qid), rawtype); @@ -1701,7 +1693,7 @@ static int ap_get_compatible_type(ap_qid_t qid, int rawtype, unsigned int func) 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_CEX4 && apinfo.cat <= AP_DEVICE_TYPE_CEX8) comp_type = apinfo.cat; } |