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58 lines
1.3 KiB
58 lines
1.3 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Filename: rsXX_cfg.h |
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* |
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* Authors: Joshua Morris <[email protected]> |
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* Philip Kelleher <[email protected]> |
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* |
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* (C) Copyright 2013 IBM Corporation |
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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_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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