X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fblock%2Fcciss.h;h=b70988dd33eccec8f068f87b0c738e6e3875293f;hb=refs%2Fheads%2Fvserver;hp=8ab689c21e499e20e3292ea379ed7a12a4f17439;hpb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;p=linux-2.6.git diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h index 8ab689c21..b70988dd3 100644 --- a/drivers/block/cciss.h +++ b/drivers/block/cciss.h @@ -6,7 +6,6 @@ #include "cciss_cmd.h" -#define NWD 16 #define NWD_SHIFT 4 #define MAX_PART (1 << NWD_SHIFT) @@ -27,14 +26,29 @@ typedef struct _drive_info_struct { __u32 LunID; 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 the drive is being removed + *to prevent it from being opened or it's queue + *from being started. + */ } drive_info_struct; +#ifdef CONFIG_CISS_SCSI_TAPE + +struct sendcmd_reject_list { + int ncompletions; + unsigned long *complete; /* array of NR_CMDS tags */ +}; + +#endif struct ctlr_info { int ctlr; @@ -45,17 +59,27 @@ struct ctlr_info __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 commands_outstanding; int max_outstanding; /* Debug */ int num_luns; int highest_lun; int usage_count; /* number of opens all all minor devices */ +# 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]; @@ -69,7 +93,6 @@ struct ctlr_info unsigned int maxQsinceinit; unsigned int maxSG; spinlock_t lock; - struct request_queue *queue; //* pointers to command and error info pool */ CommandList_struct *cmd_pool; @@ -80,12 +103,22 @@ struct ctlr_info int nr_allocs; int nr_frees; int busy_configuring; + int busy_initializing; + + /* 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 */ + struct sendcmd_reject_list scsi_rejects; #endif + unsigned char alive; }; /* Defining the diffent access_menthods */ @@ -250,9 +283,10 @@ struct board_type { __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 */