linux-stable/drivers/scsi/atp870u.h
James Bottomley b568355733 [SCSI] atp870u: fix memory addressing bug
From: Alan Cox <alan@redhat.com>

The virt_to_bus() wasn't correctly taken out of this driver.  It needs
to be able to track both physical and virtual addresses for its prd table.
Update the driver to do this with separate tracking entries.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-09-15 08:59:36 -05:00

67 lines
1.5 KiB
C

#ifndef _ATP870U_H
#define _ATP870U_H
#include <linux/types.h>
#include <linux/kdev_t.h>
/* I/O Port */
#define MAX_CDB 12
#define MAX_SENSE 14
#define qcnt 32
#define ATP870U_SCATTER 128
#define ATP870U_CMDLUN 1
#define MAX_ADAPTER 8
#define MAX_SCSI_ID 16
#define ATP870U_MAX_SECTORS 128
#define ATP885_DEVID 0x808A
#define ATP880_DEVID1 0x8080
#define ATP880_DEVID2 0x8081
//#define ED_DBGP
struct atp_unit
{
unsigned long baseport;
unsigned long ioport[2];
unsigned long pciport[2];
unsigned long irq;
unsigned char last_cmd[2];
unsigned char in_snd[2];
unsigned char in_int[2];
unsigned char quhd[2];
unsigned char quend[2];
unsigned char global_map[2];
unsigned char chip_ver;
unsigned char scam_on;
unsigned char host_id[2];
unsigned int working[2];
unsigned short wide_id[2];
unsigned short active_id[2];
unsigned short ultra_map[2];
unsigned short async[2];
unsigned short dev_id;
unsigned char sp[2][16];
unsigned char r1f[2][16];
struct scsi_cmnd *quereq[2][qcnt];
struct atp_id
{
unsigned char dirct;
unsigned char devsp;
unsigned char devtype;
unsigned long tran_len;
unsigned long last_len;
unsigned char *prd_pos;
unsigned char *prd_table; /* Kernel address of PRD table */
dma_addr_t prd_bus; /* Bus address of PRD */
dma_addr_t prdaddr; /* Dynamically updated in driver */
struct scsi_cmnd *curr_req;
} id[2][16];
struct Scsi_Host *host;
struct pci_dev *pdev;
unsigned int unit;
};
#endif