diff options
Diffstat (limited to 'drivers/block/cpqarray.h')
| -rw-r--r-- | drivers/block/cpqarray.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/drivers/block/cpqarray.h b/drivers/block/cpqarray.h new file mode 100644 index 00000000000..be73e9d579c --- /dev/null +++ b/drivers/block/cpqarray.h @@ -0,0 +1,126 @@ +/* + * 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 */ |