diff options
Diffstat (limited to 'drivers/staging/ccree/ssi_request_mgr.h')
-rw-r--r-- | drivers/staging/ccree/ssi_request_mgr.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/staging/ccree/ssi_request_mgr.h b/drivers/staging/ccree/ssi_request_mgr.h new file mode 100644 index 0000000..c09339b --- /dev/null +++ b/drivers/staging/ccree/ssi_request_mgr.h @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2012-2017 ARM Limited or its affiliates. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +/* \file request_mgr.h + Request Manager + */ + +#ifndef __REQUEST_MGR_H__ +#define __REQUEST_MGR_H__ + +#include "cc_hw_queue_defs.h" + +int request_mgr_init(struct ssi_drvdata *drvdata); + +/*! + * Enqueue caller request to crypto hardware. + * + * \param drvdata + * \param ssi_req The request to enqueue + * \param desc The crypto sequence + * \param len The crypto sequence length + * \param is_dout If "true": completion is handled by the caller + * If "false": this function adds a dummy descriptor completion + * and waits upon completion signal. + * + * \return int Returns -EINPROGRESS if "is_dout=ture"; "0" if "is_dout=false" + */ +int send_request( + struct ssi_drvdata *drvdata, struct ssi_crypto_req *ssi_req, + HwDesc_s *desc, unsigned int len, bool is_dout); + +int send_request_init( + struct ssi_drvdata *drvdata, HwDesc_s *desc, unsigned int len); + +void complete_request(struct ssi_drvdata *drvdata); + +void request_mgr_fini(struct ssi_drvdata *drvdata); + +#if defined (CONFIG_PM_RUNTIME) || defined (CONFIG_PM_SLEEP) +int ssi_request_mgr_runtime_resume_queue(struct ssi_drvdata *drvdata); + +int ssi_request_mgr_runtime_suspend_queue(struct ssi_drvdata *drvdata); + +bool ssi_request_mgr_is_queue_runtime_suspend(struct ssi_drvdata *drvdata); +#endif + +#endif /*__REQUEST_MGR_H__*/ |