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s390/ap: show APFS value on error reply 0x8B

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With Secure Execution the error reply RX 0x8B now carries
an APFS value indicating why the request has been filtered
by a lower layer of the firmware. So display this value
as a warning line in the s390 debug feature trace.

Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Holger Dengler <dengler@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Harald Freudenberger 2023-09-12 09:02:07 +02:00 committed by Vasily Gorbik
parent a19a161482
commit 8d6be876bb
1 changed files with 16 additions and 2 deletions
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18
drivers/s390/crypto/zcrypt_error.h
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@ -98,8 +98,22 @@ static inline int convert_error(struct zcrypt_queue *zq,
case REP88_ERROR_MESSAGE_MALFORMD: /* 0x22 */
case REP88_ERROR_KEY_TYPE: /* 0x34 */
/* RY indicates malformed request */
ZCRYPT_DBF_WARN("%s dev=%02x.%04x RY=0x%02x => rc=EINVAL\n",
__func__, card, queue, ehdr->reply_code);
if (ehdr->reply_code == REP82_ERROR_FILTERED_BY_HYPERVISOR &&
ehdr->type == TYPE86_RSP_CODE) {
struct {
struct type86_hdr hdr;
struct type86_fmt2_ext fmt2;
} __packed * head = reply->msg;
unsigned int apfs = *((u32 *)head->fmt2.apfs);
ZCRYPT_DBF_WARN("%s dev=%02x.%04x RY=0x%02x apfs=0x%x => rc=EINVAL\n",
__func__, card, queue,
ehdr->reply_code, apfs);
} else {
ZCRYPT_DBF_WARN("%s dev=%02x.%04x RY=0x%02x => rc=EINVAL\n",
__func__, card, queue,
ehdr->reply_code);
}
return -EINVAL;
case REP82_ERROR_MACHINE_FAILURE: /* 0x10 */
case REP82_ERROR_MESSAGE_TYPE: /* 0x20 */