module: icp: remove unused struct crypto_ctx::cc_{session,flags,opstate}

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12901

module/icp/api/kcf_mac.c

@@ -137,7 +137,6 @@ retry:
  * Arguments:
  *	pd:	pointer to the descriptor of the provider to use for this
  *		operation.
- *	sid:	provider session id.
  *	mech:	crypto_mechanism_t pointer.
  *		mech_type is a valid value previously returned by
  *		crypto_mech2id();
@@ -168,7 +167,7 @@ retry:
  *	See comment in the beginning of the file.
  */
 static int
-crypto_mac_init_prov(crypto_provider_t provider, crypto_session_id_t sid,
+crypto_mac_init_prov(crypto_provider_t provider,
     crypto_mechanism_t *mech, crypto_key_t *key, crypto_spi_ctx_template_t tmpl,
     crypto_context_t *ctxp, crypto_call_req_t *crq)
 {
@@ -180,7 +179,7 @@ crypto_mac_init_prov(crypto_provider_t provider, crypto_session_id_t sid,
 	ASSERT(KCF_PROV_REFHELD(pd));
 
 	/* Allocate and initialize the canonical context */
-	if ((ctx = kcf_new_ctx(crq, real_provider, sid)) == NULL)
+	if ((ctx = kcf_new_ctx(crq, real_provider)) == NULL)
 		return (CRYPTO_HOST_MEMORY);
 
 	crypto_mechanism_t lmech = *mech;
@@ -235,7 +234,7 @@ retry:
 	if (((ctx_tmpl = (kcf_ctx_template_t *)tmpl) != NULL))
 		spi_ctx_tmpl = ctx_tmpl->ct_prov_tmpl;
 
-	error = crypto_mac_init_prov(pd, pd->pd_sid, mech, key,
+	error = crypto_mac_init_prov(pd, mech, key,
 	    spi_ctx_tmpl, ctxp, crq);
 	if (error != CRYPTO_SUCCESS && error != CRYPTO_QUEUED &&
 	    IS_RECOVERABLE(error)) {

module/icp/core/kcf_sched.c

@@ -43,8 +43,7 @@ ulong_t kcf_swprov_hndl = 0;
  * Create a new context.
  */
 crypto_ctx_t *
-kcf_new_ctx(crypto_call_req_t *crq, kcf_provider_desc_t *pd,
+kcf_new_ctx(crypto_call_req_t *crq, kcf_provider_desc_t *pd)
-    crypto_session_id_t sid)
 {
 	crypto_ctx_t *ctx;
 	kcf_context_t *kcf_ctx;
@@ -62,11 +61,8 @@ kcf_new_ctx(crypto_call_req_t *crq, kcf_provider_desc_t *pd,
 
 	ctx = &kcf_ctx->kc_glbl_ctx;
 	ctx->cc_provider = pd->pd_prov_handle;
-	ctx->cc_session = sid;
 	ctx->cc_provider_private = NULL;
 	ctx->cc_framework_private = (void *)kcf_ctx;
-	ctx->cc_flags = 0;
-	ctx->cc_opstate = NULL;
 
 	return (ctx);
 }
@@ -107,12 +103,6 @@ kcf_free_context(kcf_context_t *kcf_ctx)
 	/* kcf_ctx->kc_prov_desc has a hold on pd */
 	KCF_PROV_REFRELE(kcf_ctx->kc_prov_desc);
 
-	/* check if this context is shared with a provider */
-	if ((gctx->cc_flags & CRYPTO_INIT_OPSTATE) &&
-	    kcf_ctx->kc_sw_prov_desc != NULL) {
-		KCF_PROV_REFRELE(kcf_ctx->kc_sw_prov_desc);
-	}
-
 	kmem_cache_free(kcf_context_cache, kcf_ctx);
 }
 

module/icp/include/sys/crypto/sched_impl.h

@@ -82,9 +82,6 @@ typedef struct kcf_prov_tried {
 	error == CRYPTO_KEY_SIZE_RANGE ||	\
 	error == CRYPTO_NO_PERMISSION)
 
-#define	KCF_ATOMIC_INCR(x)	atomic_add_32(&(x), 1)
-#define	KCF_ATOMIC_DECR(x)	atomic_add_32(&(x), -1)
-
 /*
  * Internal representation of a canonical context. We contain crypto_ctx_t
  * structure in order to have just one memory allocation. The SPI
@@ -97,16 +94,6 @@ typedef struct kcf_context {
 	kcf_provider_desc_t	*kc_sw_prov_desc;	/* Prov. descriptor */
 } kcf_context_t;
 
-/*
- * Bump up the reference count on the framework private context. A
- * global context or a request that references this structure should
- * do a hold.
- */
-#define	KCF_CONTEXT_REFHOLD(ictx) {		\
-	atomic_add_32(&(ictx)->kc_refcnt, 1);	\
-	ASSERT((ictx)->kc_refcnt != 0);		\
-}
-
 /*
  * Decrement the reference count on the framework private context.
  * When the last reference is released, the framework private
@@ -159,8 +146,7 @@ extern kcf_prov_tried_t *kcf_insert_triedlist(kcf_prov_tried_t **,
     kcf_provider_desc_t *, int);
 extern kcf_provider_desc_t *kcf_get_mech_provider(crypto_mech_type_t,
     kcf_mech_entry_t **, int *, kcf_prov_tried_t *, crypto_func_group_t);
-extern crypto_ctx_t *kcf_new_ctx(crypto_call_req_t  *, kcf_provider_desc_t *,
+extern crypto_ctx_t *kcf_new_ctx(crypto_call_req_t  *, kcf_provider_desc_t *);
-    crypto_session_id_t);
 extern void kcf_sched_destroy(void);
 extern void kcf_sched_init(void);
 extern void kcf_free_context(kcf_context_t *);

module/icp/include/sys/crypto/spi.h

@@ -65,10 +65,6 @@ typedef void *crypto_spi_ctx_template_t;
  */
 typedef void *crypto_req_handle_t;
 
-/* Values for cc_flags field */
-#define	CRYPTO_INIT_OPSTATE	0x00000001 /* allocate and init cc_opstate */
-#define	CRYPTO_USE_OPSTATE	0x00000002 /* .. start using it as context */
-
 /*
  * The context structure is passed from the kernel to a provider.
  * It contains the information needed to process a multi-part or
@@ -81,11 +77,8 @@ typedef void *crypto_req_handle_t;
  */
 typedef struct crypto_ctx {
 	crypto_provider_handle_t cc_provider;
-	crypto_session_id_t	cc_session;
 	void			*cc_provider_private;	/* owned by provider */
 	void			*cc_framework_private;	/* owned by framework */
-	uint32_t		cc_flags;		/* flags */
-	void			*cc_opstate;		/* state */
 } crypto_ctx_t;
 
 /*