c206c70924
This patch includes the following driver fixes for the IBM RamSan 70/80 driver: o Changed the creg_ctrl lock from a mutex to a spinlock. o Added a count check for ioctl calls. o Removed unnecessary casting of void pointers. o Made every function static that needed to be. o Added comments to explain things more thoroughly. Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/*
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* Filename: rsxx.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_H__
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#define __RSXX_H__
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/*----------------- IOCTL Definitions -------------------*/
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struct rsxx_reg_access {
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__u32 addr;
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__u32 cnt;
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__u32 stat;
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__u32 stream;
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__u32 data[8];
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};
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#define RSXX_MAX_REG_CNT (8 * (sizeof(__u32)))
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#define RSXX_IOC_MAGIC 'r'
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#define RSXX_GETREG _IOWR(RSXX_IOC_MAGIC, 0x20, struct rsxx_reg_access)
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#define RSXX_SETREG _IOWR(RSXX_IOC_MAGIC, 0x21, struct rsxx_reg_access)
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#endif /* __RSXX_H_ */
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