Commit 992f9cc7 authored by Christoph Hellwig's avatar Christoph Hellwig

[PATCH] eata_pio updates

(1) don't include eata_dma_proc.h - it's gone and we don't need it
(2) remove eata_pio_proc.c - it's #included in the main source file,
    so the functions can be there aswell
(3) move host template away from eata_pio.h


===== drivers/scsi/eata_pio.c 1.4 vs edited =====
parent 3954cd12
...@@ -46,10 +46,7 @@ ...@@ -46,10 +46,7 @@
* last change: 2002/11/02 OS: Linux 2.5.45 * * last change: 2002/11/02 OS: Linux 2.5.45 *
************************************************************/ ************************************************************/
/* Look in eata_pio.h for configuration information */
#include <linux/module.h> #include <linux/module.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/sched.h> #include <linux/sched.h>
#include <linux/string.h> #include <linux/string.h>
...@@ -59,15 +56,19 @@ ...@@ -59,15 +56,19 @@
#include <linux/pci.h> #include <linux/pci.h>
#include <linux/proc_fs.h> #include <linux/proc_fs.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <asm/io.h>
#include "eata_pio.h"
#include "eata_dma_proc.h"
#include "scsi.h"
#include <linux/stat.h> #include <linux/stat.h>
#include <linux/config.h> /* for CONFIG_PCI */ #include <linux/config.h>
#include <linux/blk.h> #include <linux/blk.h>
#include <linux/spinlock.h> #include <linux/spinlock.h>
#include <asm/io.h>
#include "scsi.h"
#include "hosts.h"
#include <scsi/scsicam.h>
#include "eata_generic.h"
#include "eata_pio.h"
static uint ISAbases[MAXISA] = { static uint ISAbases[MAXISA] = {
0x1F0, 0x170, 0x330, 0x230 0x1F0, 0x170, 0x330, 0x230
...@@ -82,16 +83,106 @@ static unsigned char EISAbases[] = { ...@@ -82,16 +83,106 @@ static unsigned char EISAbases[] = {
1, 1, 1, 1, 1, 1, 1, 1 1, 1, 1, 1, 1, 1, 1, 1
}; };
static uint registered_HBAs = 0; static uint registered_HBAs;
static struct Scsi_Host *last_HBA; static struct Scsi_Host *last_HBA;
static struct Scsi_Host *first_HBA; static struct Scsi_Host *first_HBA;
static unsigned char reg_IRQ[]; static unsigned char reg_IRQ[16];
static unsigned char reg_IRQL[]; static unsigned char reg_IRQL[16];
static unsigned long int_counter;
static unsigned long queue_counter;
static unsigned long int_counter = 0; /*
static unsigned long queue_counter = 0; * eata_proc_info
* inout : decides on the direction of the dataflow and the meaning of the
* variables
* buffer: If inout==FALSE data is being written to it else read from it
* *start: If inout==FALSE start of the valid data in the buffer
* offset: If inout==FALSE offset from the beginning of the imaginary file
* from which we start writing into the buffer
* length: If inout==FALSE max number of bytes to be written into the buffer
* else number of bytes in the buffer
*/
static int eata_pio_proc_info(char *buffer, char **start, off_t offset,
int length, int hostno, int rw)
{
struct Scsi_Host *shost;
struct scsi_device *sdev;
static u8 buff[512];
int size, len = 0;
off_t begin = 0, pos = 0;
if (rw)
return -ENOSYS;
shost = scsi_host_hn_get(hostno);
if (!shost)
return -EINVAL;
if (offset == 0)
memset(buff, 0, sizeof(buff));
#include "eata_pio_proc.c" size = sprintf(buffer+len, "EATA (Extended Attachment) PIO driver version: "
"%d.%d%s\n",VER_MAJOR, VER_MINOR, VER_SUB);
len += size; pos = begin + len;
size = sprintf(buffer + len, "queued commands: %10ld\n"
"processed interrupts:%10ld\n", queue_counter, int_counter);
len += size; pos = begin + len;
size = sprintf(buffer + len, "\nscsi%-2d: HBA %.10s\n",
shost->host_no, SD(shost)->name);
len += size;
pos = begin + len;
size = sprintf(buffer + len, "Firmware revision: v%s\n",
SD(shost)->revision);
len += size;
pos = begin + len;
size = sprintf(buffer + len, "IO: PIO\n");
len += size;
pos = begin + len;
size = sprintf(buffer + len, "Base IO : %#.4x\n", (u32) shost->base);
len += size;
pos = begin + len;
size = sprintf(buffer + len, "Host Bus: %s\n",
(SD(shost)->bustype == 'P')?"PCI ":
(SD(shost)->bustype == 'E')?"EISA":"ISA ");
len += size;
pos = begin + len;
if (pos < offset) {
len = 0;
begin = pos;
}
if (pos > offset + length)
goto stop_output;
size = sprintf(buffer+len,"Attached devices: %s\n",
(!list_empty(&shost->my_devices))?"":"none");
len += size;
pos = begin + len;
list_for_each_entry(sdev, &shost->my_devices, siblings) {
proc_print_scsidevice(sdev, buffer, &size, len);
len += size;
pos = begin + len;
if (pos < offset) {
len = 0;
begin = pos;
}
if (pos > offset + length)
goto stop_output;
}
stop_output:
DBG(DBG_PROC, printk("2pos: %ld offset: %ld len: %d\n", pos, offset, len));
*start=buffer+(offset-begin); /* Start of wanted data */
len-=(offset-begin); /* Start slop */
if(len>length)
len = length; /* Ending slop */
DBG(DBG_PROC, printk("3pos: %ld offset: %ld len: %d\n", pos, offset, len));
return (len);
}
static int eata_pio_release(struct Scsi_Host *sh) static int eata_pio_release(struct Scsi_Host *sh)
{ {
...@@ -895,27 +986,19 @@ static int eata_pio_detect(Scsi_Host_Template * tpnt) ...@@ -895,27 +986,19 @@ static int eata_pio_detect(Scsi_Host_Template * tpnt)
return (registered_HBAs); return (registered_HBAs);
} }
/* Eventually this will go into an include file, but this will be later */ static Scsi_Host_Template driver_template = {
static Scsi_Host_Template driver_template = EATA_PIO; .proc_info = eata_pio_proc_info,
.name = "EATA (Extended Attachment) PIO driver",
.detect = eata_pio_detect,
.release = eata_pio_release,
.queuecommand = eata_pio_queue,
.eh_abort_handler = eata_pio_abort,
.eh_host_reset_handler = eata_pio_host_reset,
.use_clustering = ENABLE_CLUSTERING,
};
#include "scsi_module.c" MODULE_AUTHOR("Michael Neuffer, Alfred Arnold");
MODULE_DESCRIPTION("EATA SCSI PIO driver");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
/* #include "scsi_module.c"
* Overrides for Emacs so that we almost follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-indent-level: 4
* c-brace-imaginary-offset: 0
* c-brace-offset: -4
* c-argdecl-indent: 4
* c-label-offset: -4
* c-continued-statement-offset: 4
* c-continued-brace-offset: 0
* indent-tabs-mode: nil
* tab-width: 8
* End:
*/
...@@ -9,13 +9,6 @@ ...@@ -9,13 +9,6 @@
#ifndef _EATA_PIO_H #ifndef _EATA_PIO_H
#define _EATA_PIO_H #define _EATA_PIO_H
#include <linux/blk.h>
#include "scsi.h"
#include "hosts.h"
#include <scsi/scsicam.h>
#include "eata_generic.h"
#define VER_MAJOR 0 #define VER_MAJOR 0
#define VER_MINOR 0 #define VER_MINOR 0
#define VER_SUB "1b" #define VER_SUB "1b"
...@@ -57,22 +50,4 @@ ...@@ -57,22 +50,4 @@
#define DBG(x, y) #define DBG(x, y)
#endif #endif
static int eata_pio_detect(Scsi_Host_Template *);
static int eata_pio_queue(Scsi_Cmnd *, void (*done) (Scsi_Cmnd *));
static int eata_pio_abort(Scsi_Cmnd *);
static int eata_pio_host_reset(Scsi_Cmnd *);
static int eata_pio_proc_info(char *, char **, off_t, int, int, int);
static int eata_pio_release(struct Scsi_Host *);
#define EATA_PIO { \
.proc_info = eata_pio_proc_info, /* procinfo */ \
.name = "EATA (Extended Attachment) PIO driver",\
.detect = eata_pio_detect, \
.release = eata_pio_release, \
.queuecommand = eata_pio_queue, \
.eh_abort_handler = eata_pio_abort, \
.eh_host_reset_handler = eata_pio_host_reset, \
.use_clustering = ENABLE_CLUSTERING \
}
#endif /* _EATA_PIO_H */ #endif /* _EATA_PIO_H */
/*
* eata_set_info
* buffer : pointer to the data that has been written to the hostfile
* length : number of bytes written to the hostfile
* HBA_ptr: pointer to the Scsi_Host struct
*/
int eata_pio_set_info(char *buffer, int length, struct Scsi_Host *HBA_ptr)
{
DBG(DBG_PROC_WRITE, printk("%s\n", buffer));
return(-ENOSYS); /* Currently this is a no-op */
}
/*
* eata_proc_info
* inout : decides on the direction of the dataflow and the meaning of the
* variables
* buffer: If inout==FALSE data is being written to it else read from it
* *start: If inout==FALSE start of the valid data in the buffer
* offset: If inout==FALSE offset from the beginning of the imaginary file
* from which we start writing into the buffer
* length: If inout==FALSE max number of bytes to be written into the buffer
* else number of bytes in the buffer
*/
int eata_pio_proc_info(char *buffer, char **start, off_t offset, int length,
int hostno, int inout)
{
Scsi_Device *scd;
struct Scsi_Host *HBA_ptr;
static u8 buff[512];
int i;
int size, len = 0;
off_t begin = 0;
off_t pos = 0;
HBA_ptr = first_HBA;
for (i = 1; i <= registered_HBAs; i++) {
if (HBA_ptr->host_no == hostno)
break;
HBA_ptr = SD(HBA_ptr)->next;
}
if(inout == TRUE) /* Has data been written to the file ? */
return(eata_pio_set_info(buffer, length, HBA_ptr));
if (offset == 0)
memset(buff, 0, sizeof(buff));
size = sprintf(buffer+len, "EATA (Extended Attachment) PIO driver version: "
"%d.%d%s\n",VER_MAJOR, VER_MINOR, VER_SUB);
len += size; pos = begin + len;
size = sprintf(buffer + len, "queued commands: %10ld\n"
"processed interrupts:%10ld\n", queue_counter, int_counter);
len += size; pos = begin + len;
size = sprintf(buffer + len, "\nscsi%-2d: HBA %.10s\n",
HBA_ptr->host_no, SD(HBA_ptr)->name);
len += size;
pos = begin + len;
size = sprintf(buffer + len, "Firmware revision: v%s\n",
SD(HBA_ptr)->revision);
len += size;
pos = begin + len;
size = sprintf(buffer + len, "IO: PIO\n");
len += size;
pos = begin + len;
size = sprintf(buffer + len, "Base IO : %#.4x\n", (u32) HBA_ptr->base);
len += size;
pos = begin + len;
size = sprintf(buffer + len, "Host Bus: %s\n",
(SD(HBA_ptr)->bustype == 'P')?"PCI ":
(SD(HBA_ptr)->bustype == 'E')?"EISA":"ISA ");
len += size;
pos = begin + len;
if (pos < offset) {
len = 0;
begin = pos;
}
if (pos > offset + length)
goto stop_output;
size = sprintf(buffer+len,"Attached devices: %s\n",
(!list_empty(&HBA_ptr->my_devices))?"":"none");
len += size;
pos = begin + len;
list_for_each_entry(scd, &HBA_ptr->my_devices, siblings) {
proc_print_scsidevice(scd, buffer, &size, len);
len += size;
pos = begin + len;
if (pos < offset) {
len = 0;
begin = pos;
}
if (pos > offset + length)
goto stop_output;
}
stop_output:
DBG(DBG_PROC, printk("2pos: %ld offset: %ld len: %d\n", pos, offset, len));
*start=buffer+(offset-begin); /* Start of wanted data */
len-=(offset-begin); /* Start slop */
if(len>length)
len = length; /* Ending slop */
DBG(DBG_PROC, printk("3pos: %ld offset: %ld len: %d\n", pos, offset, len));
return (len);
}
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-indent-level: 4
* c-brace-imaginary-offset: 0
* c-brace-offset: -4
* c-argdecl-indent: 4
* c-label-offset: -4
* c-continued-statement-offset: 4
* c-continued-brace-offset: 0
* tab-width: 8
* End:
*/
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