2 * Disk Array driver for Compaq SMART2 Controllers
3 * Copyright 1998 Compaq Computer Corporation
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
13 * NON INFRINGEMENT. See the GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 * Questions/Comments/Bugfixes to arrays@compaq.com
21 * If you want to make changes, improve or add functionality to this
22 * driver, you'll probably need the Compaq Array Controller Interface
23 * Specificiation (Document number ECG086/1198)
29 #include <linux/blkdev.h>
30 #include <linux/locks.h>
31 #include <linux/slab.h>
32 #include <linux/proc_fs.h>
33 #include <linux/timer.h>
42 #define IDA_MAX_PART 16
44 #define IDA_TIMER (5*HZ)
45 #define IDA_TIMEOUT (10*HZ)
47 #define MISC_NONFATAL_WARN 0x01
61 typedef struct ctlr_info ctlr_info_t;
63 struct access_method {
64 void (*submit_command)(ctlr_info_t *h, cmdlist_t *c);
65 void (*set_intr_mask)(ctlr_info_t *h, unsigned long val);
66 unsigned long (*fifo_full)(ctlr_info_t *h);
67 unsigned long (*intr_pending)(ctlr_info_t *h);
68 unsigned long (*command_completed)(ctlr_info_t *h);
74 struct access_method *access;
83 __u32 mp_failed_drv_map;
93 struct pci_dev *pci_dev; /* NULL if EISA */
99 unsigned long io_mem_addr;
100 unsigned long io_mem_length;
104 struct proc_dir_entry *proc;
106 struct access_method access;
111 dma_addr_t cmd_pool_dhandle;
112 __u32 *cmd_pool_bits;
115 unsigned int maxQsinceinit;
117 unsigned int nr_requests;
118 unsigned int nr_allocs;
119 unsigned int nr_frees;
120 struct timer_list timer;
121 unsigned int misc_tflags;
122 // Disk structures we need to pass back
123 struct gendisk gendisk;
124 // Index by Minor Numbers
125 struct hd_struct hd[256];
132 #endif /* CPQARRAY_H */