#define CCISS_H
#include <linux/genhd.h>
+#include <linux/mutex.h>
#include "cciss_cmd.h"
-#define NWD 16
#define NWD_SHIFT 4
#define MAX_PART (1 << NWD_SHIFT)
#define IO_OK 0
#define IO_ERROR 1
+#define IO_NEEDS_RETRY 3
-#define MAJOR_NR COMPAQ_CISS_MAJOR
+#define VENDOR_LEN 8
+#define MODEL_LEN 16
+#define REV_LEN 4
struct ctlr_info;
typedef struct ctlr_info ctlr_info_t;
};
typedef struct _drive_info_struct
{
- __u32 LunID;
+ unsigned char LunID[8];
int usage_count;
+ struct request_queue *queue;
sector_t nr_blocks;
int block_size;
int heads;
int sectors;
int cylinders;
- int raid_level;
+ int raid_level; /* set to -1 to indicate that
+ * the drive is not in use/configured
+ */
+ int busy_configuring; /* This is set when a drive is being removed
+ * to prevent it from being opened or it's
+ * queue from being started.
+ */
+ struct device dev;
+ __u8 serial_no[16]; /* from inquiry page 0x83,
+ * not necc. null terminated.
+ */
+ char vendor[VENDOR_LEN + 1]; /* SCSI vendor string */
+ char model[MODEL_LEN + 1]; /* SCSI model string */
+ char rev[REV_LEN + 1]; /* SCSI revision string */
+ char device_initialized; /* indicates whether dev is initialized */
} drive_info_struct;
-struct ctlr_info
+struct Cmd_sg_list {
+ SGDescriptor_struct *sgchain;
+ dma_addr_t sg_chain_dma;
+ int chain_block_size;
+};
+
+struct ctlr_info
{
int ctlr;
char devname[8];
__u32 board_id;
void __iomem *vaddr;
unsigned long paddr;
- unsigned long io_mem_addr;
- unsigned long io_mem_length;
+ int nr_cmds; /* Number of commands allowed on this controller */
CfgTable_struct __iomem *cfgtable;
- unsigned int intr;
int interrupts_enabled;
int major;
int max_commands;
int num_luns;
int highest_lun;
int usage_count; /* number of opens all all minor devices */
+ /* Need space for temp sg list
+ * number of scatter/gathers supported
+ * number of scatter/gathers in chained block
+ */
+ struct scatterlist **scatter_list;
+ int maxsgentries;
+ int chainsize;
+ int max_cmd_sgentries;
+ struct Cmd_sg_list **cmd_sg_list;
+
+# define DOORBELL_INT 0
+# define PERF_MODE_INT 1
+# define SIMPLE_MODE_INT 2
+# define MEMQ_MODE_INT 3
+ unsigned int intr[4];
+ unsigned int msix_vector;
+ unsigned int msi_vector;
+ int cciss_max_sectors;
+ BYTE cciss_read;
+ BYTE cciss_write;
+ BYTE cciss_read_capacity;
// information about each logical volume
- drive_info_struct drv[CISS_MAX_LUN];
+ drive_info_struct *drv[CISS_MAX_LUN];
struct access_method access;
/* queue and queue Info */
- CommandList_struct *reqQ;
- CommandList_struct *cmpQ;
+ struct hlist_head reqQ;
+ struct hlist_head cmpQ;
unsigned int Qdepth;
unsigned int maxQsinceinit;
unsigned int maxSG;
spinlock_t lock;
- struct request_queue *queue;
//* pointers to command and error info pool */
CommandList_struct *cmd_pool;
int nr_allocs;
int nr_frees;
int busy_configuring;
+ int busy_initializing;
+ int busy_scanning;
+ struct mutex busy_shutting_down;
/* This element holds the zero based queue number of the last
* queue to be started. It is used for fairness.
int next_to_run;
// Disk structures we need to pass back
- struct gendisk *gendisk[NWD];
+ struct gendisk *gendisk[CISS_MAX_LUN];
#ifdef CONFIG_CISS_SCSI_TAPE
void *scsi_ctlr; /* ptr to structure containing scsi related stuff */
+ /* list of block side commands the scsi error handling sucked up */
+ /* and saved for later processing */
#endif
+ unsigned char alive;
+ struct list_head scan_list;
+ struct completion scan_wait;
+ struct device dev;
};
/* Defining the diffent access_menthods */
__u32 board_id;
char *product_name;
struct access_method *access;
+ int nr_cmds; /* Max cmds this kind of ctlr can handle. */
};
-#define CCISS_LOCK(i) (hba[i]->queue->queue_lock)
+#define CCISS_LOCK(i) (&hba[i]->lock)
#endif /* CCISS_H */