add directory Linux-0.11

Linux-0.11/patchs/hosts.h

@@ -0,0 +1,73 @@
+#ifndef __HOST_H__
+	#define __HOSTS_H__
+ 
+/*
+	File hosts.h
+	SCSI host adapter include file.
+*/
+ 
+#define MAX_SCSI_HOSTS 1
+ 
+/*
+	The Scsi_Host type has all that is needed to interface with a SCSI
+	host in a device independant matter.  
+*/
+ 
+typedef struct     
+	{
+	/*
+		The name pointer is a pointer to the name of the SCSI
+		device detected.
+	*/
+ 
+	char *name;
+ 
+	/*
+		The detect function shall return non zero on detection,
+		and initialize all data necessary for this particular
+		SCSI driver.
+	*/
+ 
+	int (* detect)(void); 
+ 
+	/*
+		The info function will return whatever useful
+		information the developer sees fit.
+	*/
+ 
+	char * (* info)(void);
+ 
+	/*
+		The command function shall return the SCSI return
+		code in the low 8 bits, a driver error in the high 8
+		bits.  Target is the target ID, IN normal numbers - not a
+		bit.  The cmnd is the variable length command to
+		be sent, 
+		buff a pointer to the buffer which will be read from / 
+		written to, and bufflen the length of that buffer
+	*/
+ 
+	int (* command)(unsigned char target, const void *cmnd, 
+			     void *buff, int bufflen);
+ 
+	/*
+		present contains a flag as to weather we are present -
+		so we don't have to call detect multiple times.
+	*/
+ 
+	unsigned char present;	
+	} Scsi_Host;
+ 
+/*
+	The scsi_hosts array is	the array containing the data for all 
+	possible <supported> scsi hosts.   
+*/
+ 
+extern Scsi_Host scsi_hosts[MAX_SCSI_HOSTS];
+ 
+/*
+	scsi_init initializes the scsi hosts.
+*/
+ 
+void scsi_init(void);
+#endif