73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
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/*
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* Filename: rsXX_cfg.h
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*
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*
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* Authors: Joshua Morris <josh.h.morris@us.ibm.com>
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* Philip Kelleher <pjk1939@linux.vnet.ibm.com>
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*
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* (C) Copyright 2013 IBM Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __RSXX_CFG_H__
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#define __RSXX_CFG_H__
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/* NOTE: Config values will be saved in network byte order (i.e. Big endian) */
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#include <linux/types.h>
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/*
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* The card config version must match the driver's expected version. If it does
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* not, the DMA interfaces will not be attached and the user will need to
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* initialize/upgrade the card configuration using the card config utility.
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*/
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#define RSXX_CFG_VERSION 4
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struct card_cfg_hdr {
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__u32 version;
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__u32 crc;
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};
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struct card_cfg_data {
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__u32 block_size;
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__u32 stripe_size;
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__u32 vendor_id;
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__u32 cache_order;
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struct {
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__u32 mode; /* Disabled, manual, auto-tune... */
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__u32 count; /* Number of intr to coalesce */
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__u32 latency;/* Max wait time (in ns) */
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} intr_coal;
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};
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struct rsxx_card_cfg {
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struct card_cfg_hdr hdr;
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struct card_cfg_data data;
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};
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/* Vendor ID Values */
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#define RSXX_VENDOR_ID_TMS_IBM 0
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#define RSXX_VENDOR_ID_DSI 1
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#define RSXX_VENDOR_COUNT 2
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/* Interrupt Coalescing Values */
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#define RSXX_INTR_COAL_DISABLED 0
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#define RSXX_INTR_COAL_EXPLICIT 1
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#define RSXX_INTR_COAL_AUTO_TUNE 2
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#endif /* __RSXX_CFG_H__ */
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