Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / unisys / common-spar / include / iovmcall_gnuc.h

diff --git a/kernel/drivers/staging/unisys/common-spar/include/iovmcall_gnuc.h b/kernel/drivers/staging/unisys/common-spar/include/iovmcall_gnuc.h
new file mode 100644 (file)
index 0000000..57dd93e
--- /dev/null
+++ b/kernel/drivers/staging/unisys/common-spar/include/iovmcall_gnuc.h
@@ -0,0 +1,49 @@
+/* Copyright (C) 2010 - 2013 UNISYS CORPORATION
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ */
+
+/* Linux GCC Version (32-bit and 64-bit) */
+static inline unsigned long
+__unisys_vmcall_gnuc(unsigned long tuple, unsigned long reg_ebx,
+                    unsigned long reg_ecx)
+{
+       unsigned long result = 0;
+       unsigned int cpuid_eax, cpuid_ebx, cpuid_ecx, cpuid_edx;
+
+       cpuid(0x00000001, &cpuid_eax, &cpuid_ebx, &cpuid_ecx, &cpuid_edx);
+       if (!(cpuid_ecx & 0x80000000))
+               return -1;
+
+       __asm__ __volatile__(".byte 0x00f, 0x001, 0x0c1" : "=a"(result) :
+               "a"(tuple), "b"(reg_ebx), "c"(reg_ecx));
+       return result;
+}
+
+static inline unsigned long
+__unisys_extended_vmcall_gnuc(unsigned long long tuple,
+                             unsigned long long reg_ebx,
+                             unsigned long long reg_ecx,
+                             unsigned long long reg_edx)
+{
+       unsigned long result = 0;
+       unsigned int cpuid_eax, cpuid_ebx, cpuid_ecx, cpuid_edx;
+
+       cpuid(0x00000001, &cpuid_eax, &cpuid_ebx, &cpuid_ecx, &cpuid_edx);
+       if (!(cpuid_ecx & 0x80000000))
+               return -1;
+
+       __asm__ __volatile__(".byte 0x00f, 0x001, 0x0c1" : "=a"(result) :
+               "a"(tuple), "b"(reg_ebx), "c"(reg_ecx), "d"(reg_edx));
+       return result;
+}