5113f6f70
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kernel add
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/*
* Filename: rsXX_cfg.h
*
*
* Authors: Joshua Morris <josh.h.morris@us.ibm.com>
* Philip Kelleher <pjk1939@linux.vnet.ibm.com>
*
* (C) Copyright 2013 IBM Corporation
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __RSXX_CFG_H__
#define __RSXX_CFG_H__
/* NOTE: Config values will be saved in network byte order (i.e. Big endian) */
#include <linux/types.h>
/*
* The card config version must match the driver's expected version. If it does
* not, the DMA interfaces will not be attached and the user will need to
* initialize/upgrade the card configuration using the card config utility.
*/
#define RSXX_CFG_VERSION 4
struct card_cfg_hdr {
__u32 version;
__u32 crc;
};
struct card_cfg_data {
__u32 block_size;
__u32 stripe_size;
__u32 vendor_id;
__u32 cache_order;
struct {
__u32 mode; /* Disabled, manual, auto-tune... */
__u32 count; /* Number of intr to coalesce */
__u32 latency;/* Max wait time (in ns) */
} intr_coal;
};
struct rsxx_card_cfg {
struct card_cfg_hdr hdr;
struct card_cfg_data data;
};
/* Vendor ID Values */
#define RSXX_VENDOR_ID_IBM 0
#define RSXX_VENDOR_ID_DSI 1
#define RSXX_VENDOR_COUNT 2
/* Interrupt Coalescing Values */
#define RSXX_INTR_COAL_DISABLED 0
#define RSXX_INTR_COAL_EXPLICIT 1
#define RSXX_INTR_COAL_AUTO_TUNE 2
#endif /* __RSXX_CFG_H__ */
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