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module: icp: spi: remove crypto_{provider,op}_notification()

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Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12901
This commit is contained in:
наб 2021-12-22 21:55:37 +01:00 committed by Brian Behlendorf
parent 4759342a5e
commit 9cdf015d0a
3 changed files with 0 additions and 139 deletions
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1
module/icp/core/kcf_mech_tabs.c
View File

@ -769,7 +769,6 @@ kcf_get_mech_entry(crypto_mech_type_t mech_type, kcf_mech_entry_t **mep)
return (KCF_SUCCESS);
}
/* CURRENTLY UNSUPPORTED: attempting to load the module if it isn't found */
/*
* Lookup the hash table for an entry that matches the mechname.
* If there are no hardware or software providers for the mechanism,

2
module/icp/include/sys/crypto/spi.h
View File

@ -714,8 +714,6 @@ typedef struct crypto_provider_info {
extern int crypto_register_provider(const crypto_provider_info_t *,
crypto_kcf_provider_handle_t *);
extern int crypto_unregister_provider(crypto_kcf_provider_handle_t);
extern void crypto_provider_notification(crypto_kcf_provider_handle_t, uint_t);
extern void crypto_op_notification(crypto_req_handle_t, int);
extern int crypto_kmflag(crypto_req_handle_t);

136
module/icp/spi/kcf_spi.c
View File

@ -402,142 +402,6 @@ crypto_unregister_provider(crypto_kcf_provider_handle_t handle)
return (CRYPTO_SUCCESS);
}
/*
* This routine is used to notify the framework that the state of
* a cryptographic provider has changed. Valid state codes are:
*
* CRYPTO_PROVIDER_READY
* The provider indicates that it can process more requests. A provider
* will notify with this event if it previously has notified us with a
* CRYPTO_PROVIDER_BUSY.
*
* CRYPTO_PROVIDER_BUSY
* The provider can not take more requests.
*
* CRYPTO_PROVIDER_FAILED
* The provider encountered an internal error. The framework will not
* be sending any more requests to the provider. The provider may notify
* with a CRYPTO_PROVIDER_READY, if it is able to recover from the error.
*
* This routine can be called from user or interrupt context.
*/
void
crypto_provider_notification(crypto_kcf_provider_handle_t handle, uint_t state)
{
kcf_provider_desc_t *pd;
/* lookup the provider from the given handle */
if ((pd = kcf_prov_tab_lookup((crypto_provider_id_t)handle)) == NULL)
return;
mutex_enter(&pd->pd_lock);
if (pd->pd_state <= KCF_PROV_VERIFICATION_FAILED)
goto out;
if (pd->pd_prov_type == CRYPTO_LOGICAL_PROVIDER) {
cmn_err(CE_WARN, "crypto_provider_notification: "
"logical provider (%x) ignored\n", handle);
goto out;
}
switch (state) {
case CRYPTO_PROVIDER_READY:
switch (pd->pd_state) {
case KCF_PROV_BUSY:
pd->pd_state = KCF_PROV_READY;
/*
* Signal the per-provider taskq threads that they
* can start submitting requests.
*/
cv_broadcast(&pd->pd_resume_cv);
break;
case KCF_PROV_FAILED:
/*
* The provider recovered from the error. Let us
* use it now.
*/
pd->pd_state = KCF_PROV_READY;
break;
default:
break;
}
break;
case CRYPTO_PROVIDER_BUSY:
switch (pd->pd_state) {
case KCF_PROV_READY:
pd->pd_state = KCF_PROV_BUSY;
break;
default:
break;
}
break;
case CRYPTO_PROVIDER_FAILED:
/*
* We note the failure and return. The per-provider taskq
* threads check this flag and start failing the
* requests, if it is set. See process_req_hwp() for details.
*/
switch (pd->pd_state) {
case KCF_PROV_READY:
pd->pd_state = KCF_PROV_FAILED;
break;
case KCF_PROV_BUSY:
pd->pd_state = KCF_PROV_FAILED;
/*
* The per-provider taskq threads may be waiting. We
* signal them so that they can start failing requests.
*/
cv_broadcast(&pd->pd_resume_cv);
break;
default:
break;
}
break;
default:
break;
}
out:
mutex_exit(&pd->pd_lock);
KCF_PROV_REFRELE(pd);
}
/*
* This routine is used to notify the framework the result of
* an asynchronous request handled by a provider. Valid error
* codes are the same as the CRYPTO_* errors defined in common.h.
*
* This routine can be called from user or interrupt context.
*/
void
crypto_op_notification(crypto_req_handle_t handle, int error)
{
kcf_call_type_t ctype;
if (handle == NULL)
return;
if ((ctype = GET_REQ_TYPE(handle)) == CRYPTO_SYNCH) {
kcf_sreq_node_t *sreq = (kcf_sreq_node_t *)handle;
if (error != CRYPTO_SUCCESS)
sreq->sn_provider->pd_sched_info.ks_nfails++;
KCF_PROV_IREFRELE(sreq->sn_provider);
kcf_sop_done(sreq, error);
} else {
kcf_areq_node_t *areq = (kcf_areq_node_t *)handle;
ASSERT(ctype == CRYPTO_ASYNCH);
if (error != CRYPTO_SUCCESS)
areq->an_provider->pd_sched_info.ks_nfails++;
KCF_PROV_IREFRELE(areq->an_provider);
kcf_aop_done(areq, error);
}
}
/*
* This routine is used by software providers to determine
* whether to use KM_SLEEP or KM_NOSLEEP during memory allocation.