/* * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License 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, write to the Free Software * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. * The full GNU General Public License is included in this distribution * in the file called LICENSE.GPL. * * BSD LICENSE * * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _SCIC_SDS_UNSOLICITED_FRAME_CONTROL_H_ #define _SCIC_SDS_UNSOLICITED_FRAME_CONTROL_H_ #include "isci.h" #define SCU_UNSOLICITED_FRAME_HEADER_DATA_DWORDS … /** * struct scu_unsolicited_frame_header - * * This structure delineates the format of an unsolicited frame header. The * first DWORD are UF attributes defined by the silicon architecture. The data * depicts actual header information received on the link. */ struct scu_unsolicited_frame_header { … }; /** * enum unsolicited_frame_state - * * This enumeration represents the current unsolicited frame state. The * controller object can not updtate the hardware unsolicited frame put pointer * unless it has already processed the priror unsolicited frames. */ enum unsolicited_frame_state { … }; /** * struct sci_unsolicited_frame - * * This is the unsolicited frame data structure it acts as the container for * the current frame state, frame header and frame buffer. */ struct sci_unsolicited_frame { … }; /** * struct sci_uf_header_array - * * This structure contains all of the unsolicited frame header information. */ struct sci_uf_header_array { … }; /** * struct sci_uf_buffer_array - * * This structure contains all of the unsolicited frame buffer (actual payload) * information. */ struct sci_uf_buffer_array { … }; /** * struct sci_uf_address_table_array - * * This object maintains all of the unsolicited frame address table specific * data. The address table is a collection of 64-bit pointers that point to * 1KB buffers into which the silicon will DMA unsolicited frames. */ struct sci_uf_address_table_array { … }; /** * struct sci_unsolicited_frame_control - * * This object contains all of the data necessary to handle unsolicited frames. */ struct sci_unsolicited_frame_control { … }; #define SCI_UFI_BUF_SIZE … #define SCI_UFI_HDR_SIZE … #define SCI_UFI_TOTAL_SIZE … struct isci_host; void sci_unsolicited_frame_control_construct(struct isci_host *ihost); enum sci_status sci_unsolicited_frame_control_get_header( struct sci_unsolicited_frame_control *uf_control, u32 frame_index, void **frame_header); enum sci_status sci_unsolicited_frame_control_get_buffer( struct sci_unsolicited_frame_control *uf_control, u32 frame_index, void **frame_buffer); bool sci_unsolicited_frame_control_release_frame( struct sci_unsolicited_frame_control *uf_control, u32 frame_index); #endif /* _SCIC_SDS_UNSOLICITED_FRAME_CONTROL_H_ */
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