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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-04 17:15:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-04 17:15:07 -0700
commit5941de8eadc287f3f47b87ce9888734ee07d210b (patch)
tree2f5a8e84c33ae2df61e4e807798a153d6b7f6fbb /arch/s390/include/asm/itcw.h
parentc44df7413fd711bca818111b94cbd7ce5f3600a9 (diff)
parentc6557e7f2b6ae76a44653d38f835174074c42e05 (diff)
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] move include/asm-s390 to arch/s390/include/asm
Diffstat (limited to 'arch/s390/include/asm/itcw.h')
-rw-r--r--arch/s390/include/asm/itcw.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/s390/include/asm/itcw.h b/arch/s390/include/asm/itcw.h
new file mode 100644
index 00000000000..a9bc5c36b32
--- /dev/null
+++ b/arch/s390/include/asm/itcw.h
@@ -0,0 +1,30 @@
+/*
+ * Functions for incremental construction of fcx enabled I/O control blocks.
+ *
+ * Copyright IBM Corp. 2008
+ * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
+ */
+
+#ifndef _ASM_S390_ITCW_H
+#define _ASM_S390_ITCW_H _ASM_S390_ITCW_H
+
+#include <linux/types.h>
+#include <asm/fcx.h>
+
+#define ITCW_OP_READ 0
+#define ITCW_OP_WRITE 1
+
+struct itcw;
+
+struct tcw *itcw_get_tcw(struct itcw *itcw);
+size_t itcw_calc_size(int intrg, int max_tidaws, int intrg_max_tidaws);
+struct itcw *itcw_init(void *buffer, size_t size, int op, int intrg,
+ int max_tidaws, int intrg_max_tidaws);
+struct dcw *itcw_add_dcw(struct itcw *itcw, u8 cmd, u8 flags, void *cd,
+ u8 cd_count, u32 count);
+struct tidaw *itcw_add_tidaw(struct itcw *itcw, u8 flags, void *addr,
+ u32 count);
+void itcw_set_data(struct itcw *itcw, void *addr, int use_tidal);
+void itcw_finalize(struct itcw *itcw);
+
+#endif /* _ASM_S390_ITCW_H */