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module: icp: remove provider stats

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These were all folded into a single kstat at
  /proc/spl/kstat/kcf/NONAME_provider_stats
with no way to know which one it actually was,
and only the AES and SHA (so not Skein) ones were ever updated

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12901
This commit is contained in:
наб
2022-02-02 23:11:34 +01:00
committed by Brian Behlendorf
parent bf86638687
commit 666749806d
4 changed files with 1 additions and 135 deletions
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module/icp/include/sys/crypto/impl.h
-50
View File
@@ -40,55 +40,11 @@
extern "C" {
#endif
#define KCF_MODULE "kcf"
/*
* Prefixes convention: structures internal to the kernel cryptographic
* framework start with 'kcf_'. Exposed structure start with 'crypto_'.
*/
/* Provider stats. Not protected. */
typedef struct kcf_prov_stats {
kstat_named_t ps_ops_total;
kstat_named_t ps_ops_passed;
kstat_named_t ps_ops_failed;
kstat_named_t ps_ops_busy_rval;
} kcf_prov_stats_t;
/*
* Keep all the information needed by the scheduler from
* this provider.
*/
typedef struct kcf_sched_info {
/* The number of operations dispatched. */
uint64_t ks_ndispatches;
/* The number of operations that failed. */
uint64_t ks_nfails;
/* The number of operations that returned CRYPTO_BUSY. */
uint64_t ks_nbusy_rval;
} kcf_sched_info_t;
/*
* pd_irefcnt approximates the number of inflight requests to the
* provider. Though we increment this counter during registration for
* other purposes, that base value is mostly same across all providers.
* So, it is a good measure of the load on a provider when it is not
* in a busy state. Once a provider notifies it is busy, requests
* back up in the taskq. So, we use tq_nalloc in that case which gives
* the number of task entries in the task queue. Note that we do not
* acquire any locks here as it is not critical to get the exact number
* and the lock contention may be too costly for this code path.
*/
#define KCF_PROV_INCRSTATS(pd, error) { \
(pd)->pd_sched_info.ks_ndispatches++; \
if (error == CRYPTO_BUSY) \
(pd)->pd_sched_info.ks_nbusy_rval++; \
else if (error != CRYPTO_SUCCESS) \
(pd)->pd_sched_info.ks_nfails++; \
}
/*
* The following two macros should be
@@ -147,15 +103,12 @@ typedef enum {
* number to an index in pd_mechanisms array
* pd_mechanisms: Array of mechanisms supported by the provider, specified
* by the provider during registration
* pd_sched_info: Scheduling information associated with the provider
* pd_mech_list_count: The number of entries in pi_mechanisms, specified
* by the provider during registration
* pd_remove_cv: cv to wait on while the provider queue drains
* pd_description: Provider description string
* pd_kcf_prov_handle: KCF-private handle assigned by KCF
* pd_prov_id: Identification # assigned by KCF to provider
* pd_kstat: kstat associated with the provider
* pd_ks_data: kstat data
*/
typedef struct kcf_provider_desc {
uint_t pd_refcnt;
@@ -166,14 +119,11 @@ typedef struct kcf_provider_desc {
ushort_t pd_mech_indx[KCF_OPS_CLASSSIZE]\
[KCF_MAXMECHTAB];
const crypto_mech_info_t *pd_mechanisms;
kcf_sched_info_t pd_sched_info;
uint_t pd_mech_list_count;
kcondvar_t pd_remove_cv;
const char *pd_description;
crypto_kcf_provider_handle_t pd_kcf_prov_handle;
crypto_provider_id_t pd_prov_id;
kstat_t *pd_kstat;
kcf_prov_stats_t pd_ks_data;
} kcf_provider_desc_t;
/* atomic operations in linux implicitly form a memory barrier */