uadk: wd_request_drv requests drv via alg_task_type

User want to choose sve or ce instruction explicitly,
so modify wd_request_drv to request drv via para
alg_task_type

Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>

Author: zhangfeigao

include/wd_alg.h

@@ -125,11 +125,11 @@ struct wd_alg_list {
 /**
  * wd_request_drv() - Apply for an algorithm driver.
  * @alg_name: task algorithm name.
- * @hw_mask: the flag of shield hardware device drivers.
+ * @task_type: task_type required from user.
  *
  * Returns the applied algorithm driver, non means error.
  */
-struct wd_alg_driver *wd_request_drv(const char	*alg_name, bool hw_mask);
+struct wd_alg_driver *wd_request_drv(const char	*alg_name, int task_type);
 void wd_release_drv(struct wd_alg_driver *drv);
 
 /**

include/wd_alg_common.h

@@ -46,6 +46,8 @@ enum alg_task_type {
 	TASK_MIX = 0x0,
 	TASK_HW,
 	TASK_INSTR,
+	TASK_CE,
+	TASK_SVE,
 	TASK_MAX_TYPE,
 };
 

wd_aead.c

@@ -88,7 +88,7 @@ static int wd_aead_open_driver(void)
 		return -WD_EINVAL;
 	}
 
-	driver = wd_request_drv(alg_name, false);
+	driver = wd_request_drv(alg_name, TASK_HW);
 	if (!driver) {
 		wd_aead_close_driver();
 		WD_ERR("failed to get %s driver support\n", alg_name);

wd_alg.c

@@ -12,6 +12,7 @@
 
 #include "wd.h"
 #include "wd_alg.h"
+#include "wd_alg_common.h"
 
 #define SYS_CLASS_DIR			"/sys/class/uacce"
 #define SVA_FILE_NAME			"flags"
@@ -273,34 +274,43 @@ void wd_disable_drv(struct wd_alg_driver *drv)
 	pthread_mutex_unlock(&mutex);
 }
 
-struct wd_alg_driver *wd_request_drv(const char *alg_name, bool hw_mask)
+struct wd_alg_driver *wd_request_drv(const char *alg_name, int task_type)
 {
 	struct wd_alg_list *head = &alg_list_head;
 	struct wd_alg_list *pnext = head->next;
 	struct wd_alg_list *select_node = NULL;
 	struct wd_alg_driver *drv = NULL;
 	int tmp_priority = -1;
+	int calc_type;
 
 	if (!pnext || !alg_name) {
 		WD_ERR("invalid: request alg param is error!\n");
 		return NULL;
 	}
 
-	/* Check the list to get an best driver */
 	pthread_mutex_lock(&mutex);
 	while (pnext) {
-		/* hw_mask true mean not to used hardware dev */
-		if (hw_mask && pnext->drv->calc_type == UADK_ALG_HW) {
-			pnext = pnext->next;
-			continue;
-		}
+		if (!strcmp(alg_name, pnext->alg_name) && pnext->available) {
+			calc_type = pnext->drv->calc_type;
 
-		if (!strcmp(alg_name, pnext->alg_name) && pnext->available &&
-		      pnext->drv->priority > tmp_priority) {
-			tmp_priority = pnext->drv->priority;
-			select_node = pnext;
-			drv = pnext->drv;
+			if ((task_type == TASK_HW && calc_type == UADK_ALG_HW) ||
+			    (task_type == TASK_CE && calc_type == UADK_ALG_CE_INSTR) ||
+			    (task_type == TASK_SVE && calc_type == UADK_ALG_SVE_INSTR)) {
+				select_node = pnext;
+				drv = pnext->drv;
+				break;
+			}
+
+			/* fallback drv should not be hw */
+			if (task_type == TASK_INSTR &&
+			    calc_type != UADK_ALG_HW &&
+			    pnext->drv->priority > tmp_priority) {
+				tmp_priority = pnext->drv->priority;
+				select_node = pnext;
+				drv = pnext->drv;
+			}
 		}
+
 		pnext = pnext->next;
 	}
 

wd_cipher.c

@@ -101,7 +101,7 @@ static int wd_cipher_open_driver(void)
 		return -WD_EINVAL;
 	}
 
-	driver = wd_request_drv(alg_name, false);
+	driver = wd_request_drv(alg_name, TASK_HW);
 	if (!driver) {
 		wd_cipher_close_driver();
 		WD_ERR("failed to get %s driver support\n", alg_name);

wd_comp.c

@@ -85,7 +85,7 @@ static int wd_comp_open_driver(void)
 		return -WD_EINVAL;
 	}
 
-	driver = wd_request_drv(alg_name, false);
+	driver = wd_request_drv(alg_name, TASK_HW);
 	if (!driver) {
 		wd_comp_close_driver();
 		WD_ERR("failed to get %s driver support\n", alg_name);

wd_dh.c

@@ -68,7 +68,7 @@ static int wd_dh_open_driver(void)
 		return -WD_EINVAL;
 	}
 
-	driver = wd_request_drv(alg_name, false);
+	driver = wd_request_drv(alg_name, TASK_HW);
 	if (!driver) {
 		wd_dh_close_driver();
 		WD_ERR("failed to get %s driver support\n", alg_name);

wd_digest.c

@@ -96,7 +96,7 @@ static int wd_digest_open_driver(void)
 		return -WD_EINVAL;
 	}
 
-	driver = wd_request_drv(alg_name, false);
+	driver = wd_request_drv(alg_name, TASK_HW);
 	if (!driver) {
 		wd_digest_close_driver();
 		WD_ERR("failed to get %s driver support\n", alg_name);

wd_ecc.c

@@ -122,7 +122,7 @@ static int wd_ecc_open_driver(void)
 		return -WD_EINVAL;
 	}
 
-	driver = wd_request_drv(alg_name, false);
+	driver = wd_request_drv(alg_name, TASK_HW);
 	if (!driver) {
 		wd_ecc_close_driver();
 		WD_ERR("failed to get %s driver support\n", alg_name);

wd_rsa.c

@@ -107,7 +107,7 @@ static int wd_rsa_open_driver(void)
 		return -WD_EINVAL;
 	}
 
-	driver = wd_request_drv(alg_name, false);
+	driver = wd_request_drv(alg_name, TASK_HW);
 	if (!driver) {
 		wd_rsa_close_driver();
 		WD_ERR("failed to get %s driver support!\n", alg_name);

wd_util.c

@@ -2287,7 +2287,9 @@ struct wd_alg_driver *wd_alg_drv_bind(int task_type, char *alg_name)
 	/* Get alg driver and dev name */
 	switch (task_type) {
 	case TASK_INSTR:
-		drv = wd_request_drv(alg_name, true);
+	case TASK_CE:
+	case TASK_SVE:
+		drv = wd_request_drv(alg_name, task_type);
 		if (!drv) {
 			WD_ERR("no soft %s driver support\n", alg_name);
 			return NULL;
@@ -2297,15 +2299,15 @@ struct wd_alg_driver *wd_alg_drv_bind(int task_type, char *alg_name)
 		break;
 	case TASK_HW:
 	case TASK_MIX:
-		drv = wd_request_drv(alg_name, false);
+		drv = wd_request_drv(alg_name, TASK_HW);
 		if (!drv) {
 			WD_ERR("no HW %s driver support\n", alg_name);
 			return NULL;
 		}
 		set_driver = drv;
 		set_driver->fallback = 0;
 		if (task_type == TASK_MIX) {
-			drv = wd_request_drv(alg_name, true);
+			drv = wd_request_drv(alg_name, TASK_INSTR);
 			if (!drv) {
 				set_driver->fallback = 0;
 				WD_ERR("no soft %s driver support\n", alg_name);