1 /*
2 * Disk Array driver for Compaq SMART2 Controllers
3 * Copyright 1998 Compaq Computer Corporation
4 *
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.
9 *
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.
14 *
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.
18 *
19 * Questions/Comments/Bugfixes to arrays@compaq.com
20 *
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)
24 */
25 #ifndef CPQARRAY_H
26 #define CPQARRAY_H
27
28 #ifdef __KERNEL__
29 #include <linux/blkdev.h>
30 #include <linux/locks.h>
31 #include <linux/malloc.h>
32 #include <linux/proc_fs.h>
33 #include <linux/timer.h>
34 #endif
35
36 #include "ida_cmd.h"
37
38 #define IO_OK 0
39 #define IO_ERROR 1
40 #define NWD 16
41 #define NWD_SHIFT 4
42
43 #define IDA_TIMER (5*HZ)
44 #define IDA_TIMEOUT (10*HZ)
45
46 #define MISC_NONFATAL_WARN 0x01
47
48 typedef struct {
49 unsigned blk_size;
50 unsigned nr_blks;
51 unsigned cylinders;
52 unsigned heads;
53 unsigned sectors;
54 int usage_count;
55 } drv_info_t;
56
57 #ifdef __KERNEL__
58
59 struct ctlr_info;
60 typedef struct ctlr_info ctlr_info_t;
61
62 struct access_method {
63 void (*submit_command)(ctlr_info_t *h, cmdlist_t *c);
64 void (*set_intr_mask)(ctlr_info_t *h, unsigned long val);
65 unsigned long (*fifo_full)(ctlr_info_t *h);
66 unsigned long (*intr_pending)(ctlr_info_t *h);
67 unsigned long (*command_completed)(ctlr_info_t *h);
68 };
69
70 struct board_type {
71 __u32 board_id;
72 char *product_name;
73 struct access_method *access;
74 };
75
76 struct ctlr_info {
77 int ctlr;
78 char devname[8];
79 __u32 log_drv_map;
80 __u32 drv_assign_map;
81 __u32 drv_spare_map;
82 __u32 mp_failed_drv_map;
83
84 char firm_rev[4];
85 int ctlr_sig;
86
87 int log_drives;
88 int phys_drives;
89
90 struct pci_dev *pci_dev; /* NULL if EISA */
91 __u32 board_id;
92 char *product_name;
93
94 void *vaddr;
95 unsigned long paddr;
96 unsigned long ioaddr;
97 int intr;
98 int usage_count;
99 drv_info_t drv[NWD];
100 struct proc_dir_entry *proc;
101
102 struct access_method access;
103
104 cmdlist_t *reqQ;
105 cmdlist_t *cmpQ;
106 cmdlist_t *cmd_pool;
107 __u32 *cmd_pool_bits;
108
109 unsigned int Qdepth;
110 unsigned int maxQsinceinit;
111
112 unsigned int nr_requests;
113 unsigned int nr_allocs;
114 unsigned int nr_frees;
115 struct timer_list timer;
116 unsigned int misc_tflags;
117 };
118 #endif
119
120 #endif /* CPQARRAY_H */
121
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