Eric Lee / smarc-fsl-linux-kernel

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drivers/block/cpqarray.h 2.95 KB
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1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  /*
   *    Disk Array driver for Compaq SMART2 Controllers
   *    Copyright 1998 Compaq Computer 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, GOOD TITLE or
   *    NON INFRINGEMENT.  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., 675 Mass Ave, Cambridge, MA 02139, USA.
   *
   *    Questions/Comments/Bugfixes to iss_storagedev@hp.com
   *
   *    If you want to make changes, improve or add functionality to this
   *    driver, you'll probably need the Compaq Array Controller Interface
   *    Specificiation (Document number ECG086/1198)
   */
  #ifndef CPQARRAY_H
  #define CPQARRAY_H
  
  #ifdef __KERNEL__
  #include <linux/blkdev.h>
  #include <linux/slab.h>
  #include <linux/proc_fs.h>
  #include <linux/timer.h>
  #endif
  
  #include "ida_cmd.h"
  
  #define IO_OK		0
  #define IO_ERROR	1
  #define NWD		16
  #define NWD_SHIFT	4
  
  #define IDA_TIMER	(5*HZ)
  #define IDA_TIMEOUT	(10*HZ)
  
  #define MISC_NONFATAL_WARN	0x01
  
  typedef struct {
  	unsigned blk_size;
  	unsigned nr_blks;
  	unsigned cylinders;
  	unsigned heads;
  	unsigned sectors;
  	int usage_count;
  } drv_info_t;
  
  #ifdef __KERNEL__
  
  struct ctlr_info;
  typedef struct ctlr_info ctlr_info_t;
  
  struct access_method {
  	void (*submit_command)(ctlr_info_t *h, cmdlist_t *c);
  	void (*set_intr_mask)(ctlr_info_t *h, unsigned long val);
  	unsigned long (*fifo_full)(ctlr_info_t *h);
  	unsigned long (*intr_pending)(ctlr_info_t *h);
  	unsigned long (*command_completed)(ctlr_info_t *h);
  };
  
  struct board_type {
  	__u32	board_id;
  	char	*product_name;
  	struct access_method *access;
  };
  
  struct ctlr_info {
  	int	ctlr;
  	char	devname[8];
  	__u32	log_drv_map;
  	__u32	drv_assign_map;
  	__u32	drv_spare_map;
  	__u32	mp_failed_drv_map;
  
  	char	firm_rev[4];
  	int	ctlr_sig;
  
  	int	log_drives;
  	int	phys_drives;
  
  	struct pci_dev *pci_dev;    /* NULL if EISA */
  	__u32	board_id;
  	char	*product_name;	
  
  	void __iomem *vaddr;
  	unsigned long paddr;
  	unsigned long io_mem_addr;
  	unsigned long io_mem_length;
  	int	intr;
  	int	usage_count;
  	drv_info_t	drv[NWD];
  	struct proc_dir_entry *proc;
  
  	struct access_method access;
  
  	cmdlist_t *reqQ;
  	cmdlist_t *cmpQ;
  	cmdlist_t *cmd_pool;
  	dma_addr_t cmd_pool_dhandle;
  	unsigned long *cmd_pool_bits;
  	struct request_queue *queue;
  	spinlock_t lock;
  
  	unsigned int Qdepth;
  	unsigned int maxQsinceinit;
  
  	unsigned int nr_requests;
  	unsigned int nr_allocs;
  	unsigned int nr_frees;
  	struct timer_list timer;
  	unsigned int misc_tflags;
  };
  
  #define IDA_LOCK(i)	(&hba[i]->lock)
  
  #endif
  
  #endif /* CPQARRAY_H */