projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 [email protected] | |
| 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/slab.h> | |
| 31 | #include <linux/proc_fs.h> | |
| 32 | #include <linux/timer.h> | |
| 33 | #endif | |
| 34 | ||
| 35 | #include "ida_cmd.h" | |
| 36 | ||
| 37 | #define IO_OK 0 | |
| 38 | #define IO_ERROR 1 | |
| 39 | #define NWD 16 | |
| 40 | #define NWD_SHIFT 4 | |
| 41 | ||
| 42 | #define IDA_TIMER (5*HZ) | |
| 43 | #define IDA_TIMEOUT (10*HZ) | |
| 44 | ||
| 45 | #define MISC_NONFATAL_WARN 0x01 | |
| 46 | ||
| 47 | typedef struct { | |
| 48 | unsigned blk_size; | |
| 49 | unsigned nr_blks; | |
| 50 | unsigned cylinders; | |
| 51 | unsigned heads; | |
| 52 | unsigned sectors; | |
| 53 | int usage_count; | |
| 54 | } drv_info_t; | |
| 55 | ||
| 56 | #ifdef __KERNEL__ | |
| 57 | ||
| 58 | struct ctlr_info; | |
| 59 | typedef struct ctlr_info ctlr_info_t; | |
| 60 | ||
| 61 | struct access_method { | |
| 62 | void (*submit_command)(ctlr_info_t *h, cmdlist_t *c); | |
| 63 | void (*set_intr_mask)(ctlr_info_t *h, unsigned long val); | |
| 64 | unsigned long (*fifo_full)(ctlr_info_t *h); | |
| 65 | unsigned long (*intr_pending)(ctlr_info_t *h); | |
| 66 | unsigned long (*command_completed)(ctlr_info_t *h); | |
| 67 | }; | |
| 68 | ||
| 69 | struct board_type { | |
| 70 | __u32 board_id; | |
| 71 | char *product_name; | |
| 72 | struct access_method *access; | |
| 73 | }; | |
| 74 | ||
| 75 | struct ctlr_info { | |
| 76 | int ctlr; | |
| 77 | char devname[8]; | |
| 78 | __u32 log_drv_map; | |
| 79 | __u32 drv_assign_map; | |
| 80 | __u32 drv_spare_map; | |
| 81 | __u32 mp_failed_drv_map; | |
| 82 | ||
| 83 | char firm_rev[4]; | |
| 84 | int ctlr_sig; | |
| 85 | ||
| 86 | int log_drives; | |
| 87 | int phys_drives; | |
| 88 | ||
| 89 | struct pci_dev *pci_dev; /* NULL if EISA */ | |
| 90 | __u32 board_id; | |
| 91 | char *product_name; | |
| 92 | ||
| 93 | void __iomem *vaddr; | |
| 94 | unsigned long paddr; | |
| 95 | unsigned long io_mem_addr; | |
| 96 | unsigned long io_mem_length; | |
| 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 | dma_addr_t cmd_pool_dhandle; | |
| 108 | unsigned long *cmd_pool_bits; | |
| 109 | struct request_queue *queue; | |
| 110 | spinlock_t lock; | |
| 111 | ||
| 112 | unsigned int Qdepth; | |
| 113 | unsigned int maxQsinceinit; | |
| 114 | ||
| 115 | unsigned int nr_requests; | |
| 116 | unsigned int nr_allocs; | |
| 117 | unsigned int nr_frees; | |
| 118 | struct timer_list timer; | |
| 119 | unsigned int misc_tflags; | |
| 120 | }; | |
| 121 | ||
| 122 | #define IDA_LOCK(i) (&hba[i]->lock) | |
| 123 | ||
| 124 | #endif | |
| 125 | ||
| 126 | #endif /* CPQARRAY_H */ |