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sys/dev/iavf/iavf_adminq.h
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/* SPDX-License-Identifier: BSD-3-Clause */ | |||||
/* Copyright (c) 2021, Intel Corporation | |||||
* All rights reserved. | |||||
* | |||||
* Redistribution and use in source and binary forms, with or without | |||||
* modification, are permitted provided that the following conditions are met: | |||||
* | |||||
* 1. Redistributions of source code must retain the above copyright notice, | |||||
* this list of conditions and the following disclaimer. | |||||
* | |||||
* 2. 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. | |||||
* | |||||
* 3. Neither the name of the 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. | |||||
*/ | |||||
/*$FreeBSD$*/ | |||||
#ifndef _IAVF_ADMINQ_H_ | |||||
#define _IAVF_ADMINQ_H_ | |||||
#include "iavf_osdep.h" | |||||
#include "iavf_status.h" | |||||
#include "iavf_adminq_cmd.h" | |||||
#define IAVF_ADMINQ_DESC(R, i) \ | |||||
(&(((struct iavf_aq_desc *)((R).desc_buf.va))[i])) | |||||
#define IAVF_ADMINQ_DESC_ALIGNMENT 4096 | |||||
struct iavf_adminq_ring { | |||||
struct iavf_virt_mem dma_head; /* space for dma structures */ | |||||
struct iavf_dma_mem desc_buf; /* descriptor ring memory */ | |||||
struct iavf_virt_mem cmd_buf; /* command buffer memory */ | |||||
union { | |||||
struct iavf_dma_mem *asq_bi; | |||||
struct iavf_dma_mem *arq_bi; | |||||
} r; | |||||
u16 count; /* Number of descriptors */ | |||||
u16 rx_buf_len; /* Admin Receive Queue buffer length */ | |||||
/* used for interrupt processing */ | |||||
u16 next_to_use; | |||||
u16 next_to_clean; | |||||
/* used for queue tracking */ | |||||
u32 head; | |||||
u32 tail; | |||||
u32 len; | |||||
u32 bah; | |||||
u32 bal; | |||||
}; | |||||
/* ASQ transaction details */ | |||||
struct iavf_asq_cmd_details { | |||||
void *callback; /* cast from type IAVF_ADMINQ_CALLBACK */ | |||||
u64 cookie; | |||||
u16 flags_ena; | |||||
u16 flags_dis; | |||||
bool async; | |||||
bool postpone; | |||||
struct iavf_aq_desc *wb_desc; | |||||
}; | |||||
#define IAVF_ADMINQ_DETAILS(R, i) \ | |||||
(&(((struct iavf_asq_cmd_details *)((R).cmd_buf.va))[i])) | |||||
/* ARQ event information */ | |||||
struct iavf_arq_event_info { | |||||
struct iavf_aq_desc desc; | |||||
u16 msg_len; | |||||
u16 buf_len; | |||||
u8 *msg_buf; | |||||
}; | |||||
/* Admin Queue information */ | |||||
struct iavf_adminq_info { | |||||
struct iavf_adminq_ring arq; /* receive queue */ | |||||
struct iavf_adminq_ring asq; /* send queue */ | |||||
u32 asq_cmd_timeout; /* send queue cmd write back timeout*/ | |||||
u16 num_arq_entries; /* receive queue depth */ | |||||
u16 num_asq_entries; /* send queue depth */ | |||||
u16 arq_buf_size; /* receive queue buffer size */ | |||||
u16 asq_buf_size; /* send queue buffer size */ | |||||
u16 fw_maj_ver; /* firmware major version */ | |||||
u16 fw_min_ver; /* firmware minor version */ | |||||
u32 fw_build; /* firmware build number */ | |||||
u16 api_maj_ver; /* api major version */ | |||||
u16 api_min_ver; /* api minor version */ | |||||
struct iavf_spinlock asq_spinlock; /* Send queue spinlock */ | |||||
struct iavf_spinlock arq_spinlock; /* Receive queue spinlock */ | |||||
/* last status values on send and receive queues */ | |||||
enum iavf_admin_queue_err asq_last_status; | |||||
enum iavf_admin_queue_err arq_last_status; | |||||
}; | |||||
/* general information */ | |||||
#define IAVF_AQ_LARGE_BUF 512 | |||||
#define IAVF_ASQ_CMD_TIMEOUT 250000 /* usecs */ | |||||
void iavf_fill_default_direct_cmd_desc(struct iavf_aq_desc *desc, | |||||
u16 opcode); | |||||
#endif /* _IAVF_ADMINQ_H_ */ |