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127 lines
3 KiB
C
127 lines
3 KiB
C
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/*
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* Disk Array driver for Compaq SMART2 Controllers
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* Copyright 1998 Compaq Computer Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
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* NON INFRINGEMENT. See the GNU 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
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Questions/Comments/Bugfixes to iss_storagedev@hp.com
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*
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* If you want to make changes, improve or add functionality to this
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* driver, you'll probably need the Compaq Array Controller Interface
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* Specificiation (Document number ECG086/1198)
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*/
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#ifndef CPQARRAY_H
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#define CPQARRAY_H
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#ifdef __KERNEL__
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#include <linux/blkdev.h>
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#include <linux/slab.h>
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#include <linux/proc_fs.h>
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#include <linux/timer.h>
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#endif
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#include "ida_cmd.h"
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#define IO_OK 0
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#define IO_ERROR 1
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#define NWD 16
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#define NWD_SHIFT 4
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#define IDA_TIMER (5*HZ)
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#define IDA_TIMEOUT (10*HZ)
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#define MISC_NONFATAL_WARN 0x01
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typedef struct {
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unsigned blk_size;
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unsigned nr_blks;
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unsigned cylinders;
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unsigned heads;
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unsigned sectors;
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int usage_count;
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} drv_info_t;
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#ifdef __KERNEL__
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struct ctlr_info;
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typedef struct ctlr_info ctlr_info_t;
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struct access_method {
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void (*submit_command)(ctlr_info_t *h, cmdlist_t *c);
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void (*set_intr_mask)(ctlr_info_t *h, unsigned long val);
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unsigned long (*fifo_full)(ctlr_info_t *h);
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unsigned long (*intr_pending)(ctlr_info_t *h);
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unsigned long (*command_completed)(ctlr_info_t *h);
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};
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struct board_type {
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__u32 board_id;
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char *product_name;
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struct access_method *access;
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};
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struct ctlr_info {
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int ctlr;
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char devname[8];
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__u32 log_drv_map;
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__u32 drv_assign_map;
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__u32 drv_spare_map;
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__u32 mp_failed_drv_map;
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char firm_rev[4];
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int ctlr_sig;
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int log_drives;
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int phys_drives;
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struct pci_dev *pci_dev; /* NULL if EISA */
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__u32 board_id;
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char *product_name;
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void __iomem *vaddr;
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unsigned long paddr;
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unsigned long io_mem_addr;
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unsigned long io_mem_length;
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int intr;
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int usage_count;
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drv_info_t drv[NWD];
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struct proc_dir_entry *proc;
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struct access_method access;
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cmdlist_t *reqQ;
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cmdlist_t *cmpQ;
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cmdlist_t *cmd_pool;
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dma_addr_t cmd_pool_dhandle;
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unsigned long *cmd_pool_bits;
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struct request_queue *queue;
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spinlock_t lock;
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unsigned int Qdepth;
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unsigned int maxQsinceinit;
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unsigned int nr_requests;
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unsigned int nr_allocs;
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unsigned int nr_frees;
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struct timer_list timer;
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unsigned int misc_tflags;
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};
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#define IDA_LOCK(i) (&hba[i]->lock)
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#endif
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#endif /* CPQARRAY_H */
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