patch-2.3.99-pre8 linux/include/asm-s390/irqextras390.h

• Lines: 152
• Date: Fri May 12 11:41:44 2000
• Orig file: v2.3.99-pre7/linux/include/asm-s390/irqextras390.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.99-pre7/linux/include/asm-s390/irqextras390.h linux/include/asm-s390/irqextras390.h
@@ -0,0 +1,151 @@
+/*
+ *  include/asm-s390/irqextras390.h
+ *
+ *  S390 version
+ *    Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Author(s): Denis Joseph Barrow ([email protected],[email protected])
+ */
+
+#ifndef __irqextras390_h
+#define __irqextras390_h
+
+/*
+  irqextras390.h by D.J. Barrow
+  if you are a bitfield fan &  are paranoid that ansi dosen't
+  give hard definitions about the size of an int or long you might
+  prefer these definitions as an alternative.
+
+*/
+
+#include <linux/types.h>
+
+typedef struct 
+{
+      unsigned key:4;
+      unsigned s:1;
+      unsigned l:1;
+      unsigned cc:2;
+      unsigned f:1;
+      unsigned p:1;
+      unsigned i:1;
+      unsigned a:1;
+      unsigned u:1;
+      unsigned z:1;
+      unsigned e:1;
+      unsigned n:1;
+      unsigned zero:1;
+      
+      unsigned fc_start:1;
+      unsigned fc_halt:1;
+      unsigned fc_clear:1;
+      
+      unsigned ac_resume_pending:1;
+      unsigned ac_start_pending:1;
+      unsigned ac_halt_pending:1;
+      unsigned ac_clear_pending:1;
+      unsigned ac_subchannel_active:1;
+      unsigned ac_device_active:1;
+      unsigned ac_suspended:1;
+      
+      unsigned sc_alert:1;
+      unsigned sc_intermediate:1;
+      unsigned sc_primary:1;
+      unsigned sc_seconary:1;
+      unsigned sc_status_pending:1;
+      
+      __u32	   ccw_address;
+      
+      unsigned dev_status_attention:1;
+      unsigned dev_status_modifier:1;
+      unsigned dev_status_control_unit_end:1;
+      unsigned dev_status_busy:1;
+      unsigned dev_status_channel_end:1;
+      unsigned dev_status_device_end:1;
+      unsigned dev_status_unit_check:1;
+      unsigned dev_status_unit_exception:1;
+      
+      unsigned sch_status_program_cont_int:1;
+      unsigned sch_status_incorrect_length:1;
+      unsigned sch_status_program_check:1;
+      unsigned sch_status_protection_check:1;
+      unsigned sch_status_channel_data_check:1;
+      unsigned sch_status_channel_control_check:1;
+      unsigned sch_status_interface_control_check:1;
+      unsigned sch_status_chaining_check:1;
+     
+      __u16	   byte_count;
+} scsw_bits_t __attribute__((packed));
+
+typedef struct
+{
+  __u32      flags;
+  __u32      ccw_address;
+  __u8       dev_status;
+  __u8       sch_status;
+  __u16      byte_count;
+} scsw_words_t __attribute__((packed));
+
+typedef struct
+{
+      __u8     cmd_code;
+      
+      unsigned cd:1;
+      unsigned cc:1;
+      unsigned sli:1;
+      unsigned skip:1;
+      unsigned pci:1;
+      unsigned ida:1;
+      unsigned s:1;
+      unsigned res1:1;
+
+      __u16	count;
+
+      void	*ccw_data_address;
+} ccw1_bits_t __attribute__((packed,aligned(8)));
+
+typedef struct
+{
+      __u32		interruption_parm;
+      unsigned key:4;
+      unsigned s:1;
+      unsigned res1:3;
+      unsigned f:1;
+      unsigned p:1;
+      unsigned i:1;
+      unsigned a:1;
+      unsigned u:1;
+      __u8	   lpm;
+      unsigned l:1;
+      unsigned res2:7;
+      ccw1_bits_t	*ccw_program_address;
+} orb_bits_t __attribute__((packed));
+
+void fixchannelprogram(orb_bits_t *orbptr);
+void fixccws(ccw1_bits_t *ccwptr);
+enum
+{
+   ccw_write=0x1,
+   ccw_read=0x2,
+   ccw_read_backward=0xc,
+   ccw_control=0x3,
+   ccw_sense=0x4,
+   ccw_sense_id=0xe4,
+   ccw_transfer_in_channel0=0x8,
+   ccw_transfer_in_channel1=0x8,
+   ccw_set_x_mode=0xc3,		// according to uli's lan notes
+   ccw_nop=0x3			// according to uli's notes again
+                                        // n.b. ccw_control clashes with this
+                                        // so I presume its a special case of
+					// control
+};
+
+
+
+#endif
+
+
+
+
+
+
+