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s390/zcrypt: Provide target domain for EP11 cprbs to scheduling function

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The scheduling function will get an extension which will
process the target_id value from an EP11 cprb. This patch
extracts the value during preparation of the ap message.

Signed-off-by: Jürgen Christ <jchrist@linux.ibm.com>
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Jürgen Christ 2022-01-10 13:33:30 +01:00 committed by Vasily Gorbik
parent 252a1ff777
commit 1024063eff
3 changed files with 10 additions and 6 deletions
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4
drivers/s390/crypto/zcrypt_api.c
View File

@ -1021,7 +1021,7 @@ static long _zcrypt_send_ep11_cprb(bool userspace, struct ap_perms *perms,
struct ep11_target_dev *targets;
unsigned short target_num;
unsigned int wgt = 0, pref_wgt = 0;
unsigned int func_code;
unsigned int func_code, domain;
struct ap_message ap_msg;
int cpen, qpen, qid = 0, rc = -ENODEV;
struct module *mod;
@ -1058,7 +1058,7 @@ static long _zcrypt_send_ep11_cprb(bool userspace, struct ap_perms *perms,
}
}
rc = prep_ep11_ap_msg(userspace, xcrb, &ap_msg, &func_code);
rc = prep_ep11_ap_msg(userspace, xcrb, &ap_msg, &func_code, &domain);
if (rc)
goto out_free;

10
drivers/s390/crypto/zcrypt_msgtype6.c
View File

@ -510,7 +510,8 @@ static int XCRB_msg_to_type6CPRB_msgX(bool userspace, struct ap_message *ap_msg,
static int xcrb_msg_to_type6_ep11cprb_msgx(bool userspace, struct ap_message *ap_msg,
struct ep11_urb *xcRB,
unsigned int *fcode)
unsigned int *fcode,
unsigned int *domain)
{
unsigned int lfmt;
static struct type6_hdr static_type6_ep11_hdr = {
@ -592,6 +593,8 @@ static int xcrb_msg_to_type6_ep11cprb_msgx(bool userspace, struct ap_message *ap
else
ap_msg->flags |= AP_MSG_FLAG_USAGE;
*domain = msg->cprbx.target_id;
return 0;
}
@ -1244,7 +1247,7 @@ out:
*/
int prep_ep11_ap_msg(bool userspace, struct ep11_urb *xcrb,
struct ap_message *ap_msg,
unsigned int *func_code)
unsigned int *func_code, unsigned int *domain)
{
struct response_type resp_type = {
.type = CEXXC_RESPONSE_TYPE_EP11,
@ -1260,7 +1263,8 @@ int prep_ep11_ap_msg(bool userspace, struct ep11_urb *xcrb,
ap_msg->private = kmemdup(&resp_type, sizeof(resp_type), GFP_KERNEL);
if (!ap_msg->private)
return -ENOMEM;
return xcrb_msg_to_type6_ep11cprb_msgx(userspace, ap_msg, xcrb, func_code);
return xcrb_msg_to_type6_ep11cprb_msgx(userspace, ap_msg, xcrb,
func_code, domain);
}
/*

2
drivers/s390/crypto/zcrypt_msgtype6.h
View File

@ -99,7 +99,7 @@ int prep_cca_ap_msg(bool userspace, struct ica_xcRB *xcrb,
unsigned int *fc, unsigned short **dom);
int prep_ep11_ap_msg(bool userspace, struct ep11_urb *xcrb,
struct ap_message *ap_msg,
unsigned int *fc);
unsigned int *fc, unsigned int *dom);
int prep_rng_ap_msg(struct ap_message *ap_msg,
int *fc, unsigned int *dom);