patch-1.3.5 linux/drivers/scsi/eata_pio_proc.c

• Lines: 180
• Date: Thu Jun 29 12:37:45 1995
• Orig file: v1.3.4/linux/drivers/scsi/eata_pio_proc.c
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.4/linux/drivers/scsi/eata_pio_proc.c linux/drivers/scsi/eata_pio_proc.c
@@ -0,0 +1,179 @@
+
+#define MAX_SCSI_DEVICE_CODE 10
+const char *const pio_scsi_dev_types[MAX_SCSI_DEVICE_CODE] =
+{
+    "Direct-Access    ",
+    "Sequential-Access",
+    "Printer          ",
+    "Processor        ",
+    "WORM             ",
+    "CD-ROM           ",
+    "Scanner          ",
+    "Optical Device   ",
+    "Medium Changer   ",
+    "Communications   "
+};
+
+/*
+ * 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 beeing 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, x; 
+    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 writen 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;
+    
+    scd = scsi_devices;
+    
+    size = sprintf(buffer+len,"Attached devices: %s\n", (scd)?"":"none");
+    len += size; 
+    pos = begin + len;
+    
+    while (scd) {
+	if (scd->host == HBA_ptr) {
+	    
+	    size = sprintf(buffer + len, "Channel: %02d Id: %02d Lun: %02d\n  Vendor: ",
+			   scd->channel, scd->id, scd->lun);
+	    for (x = 0; x < 8; x++) {
+		if (scd->vendor[x] >= 0x20)
+		    size += sprintf(buffer + len + size, "%c", scd->vendor[x]);
+		else
+		    size += sprintf(buffer + len + size," ");
+	    }
+	    size += sprintf(buffer + len + size, " Model: ");
+	    for (x = 0; x < 16; x++) {
+		if (scd->model[x] >= 0x20)
+		    size +=  sprintf(buffer + len + size, "%c", scd->model[x]);
+		else
+		    size += sprintf(buffer + len + size, " ");
+	    }
+	    size += sprintf(buffer + len + size, " Rev: ");
+	    for (x = 0; x < 4; x++) {
+		if (scd->rev[x] >= 0x20)
+		    size += sprintf(buffer + len + size, "%c", scd->rev[x]);
+		else
+		    size += sprintf(buffer + len + size, " ");
+	    }
+	    size += sprintf(buffer + len + size, "\n");
+	    
+	    size += sprintf(buffer + len + size, "  Type:   %s ",
+			    scd->type < MAX_SCSI_DEVICE_CODE ? 
+			    pio_scsi_dev_types[(int)scd->type] : "Unknown          " );
+	    size += sprintf(buffer + len + size, "               ANSI"
+			    " SCSI revision: %02x", (scd->scsi_level < 3)?1:2);
+	    if (scd->scsi_level == 2)
+		size += sprintf(buffer + len + size, " CCS\n");
+	    else
+		size += sprintf(buffer + len + size, "\n");
+	    len += size; 
+	    pos = begin + len;
+	    
+	    if (pos < offset) {
+		len = 0;
+		begin = pos;
+	    }
+	    if (pos > offset + length)
+		goto stop_output;
+	}
+	scd = scd->next;
+    }
+    
+ 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
+ * indent-tabs-mode: nil
+ * tab-width: 8
+ * End:
+ */