Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / s390 / include / asm / appldata.h

diff --git a/kernel/arch/s390/include/asm/appldata.h b/kernel/arch/s390/include/asm/appldata.h
new file mode 100644 (file)
index 0000000..16887c5
--- /dev/null
+++ b/kernel/arch/s390/include/asm/appldata.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright IBM Corp. 2006
+ *
+ * Author(s): Melissa Howland <melissah@us.ibm.com>
+ */
+
+#ifndef _ASM_S390_APPLDATA_H
+#define _ASM_S390_APPLDATA_H
+
+#include <asm/io.h>
+
+#define APPLDATA_START_INTERVAL_REC    0x80
+#define APPLDATA_STOP_REC              0x81
+#define APPLDATA_GEN_EVENT_REC         0x82
+#define APPLDATA_START_CONFIG_REC      0x83
+
+/*
+ * Parameter list for DIAGNOSE X'DC'
+ */
+struct appldata_parameter_list {
+       u16 diag;
+       u8  function;
+       u8  parlist_length;
+       u32 unused01;
+       u16 reserved;
+       u16 buffer_length;
+       u32 unused02;
+       u64 product_id_addr;
+       u64 buffer_addr;
+} __attribute__ ((packed));
+
+struct appldata_product_id {
+       char prod_nr[7];        /* product number */
+       u16  prod_fn;           /* product function */
+       u8   record_nr;         /* record number */
+       u16  version_nr;        /* version */
+       u16  release_nr;        /* release */
+       u16  mod_lvl;           /* modification level */
+} __attribute__ ((packed));
+
+static inline int appldata_asm(struct appldata_product_id *id,
+                              unsigned short fn, void *buffer,
+                              unsigned short length)
+{
+       struct appldata_parameter_list parm_list;
+       int ry;
+
+       if (!MACHINE_IS_VM)
+               return -EOPNOTSUPP;
+       parm_list.diag = 0xdc;
+       parm_list.function = fn;
+       parm_list.parlist_length = sizeof(parm_list);
+       parm_list.buffer_length = length;
+       parm_list.product_id_addr = (unsigned long) id;
+       parm_list.buffer_addr = virt_to_phys(buffer);
+       asm volatile(
+               "       diag    %1,%0,0xdc"
+               : "=d" (ry)
+               : "d" (&parm_list), "m" (parm_list), "m" (*id)
+               : "cc");
+       return ry;
+}
+
+#endif /* _ASM_S390_APPLDATA_H */