[v2] powerpc: add hvcall.h header from Linux

Submitted by Andre Przywara on June 18, 2015, 10:10 a.m.


Message ID 1434622234-16837-1-git-send-email-andre.przywara@arm.com
State New
Headers show

Commit Message

Andre Przywara June 18, 2015, 10:10 a.m.
The powerpc code uses some PAPR hypercalls, of which we need the
hypercall number. Copy just the needed macro definitions from the
kernel's (private) hvcall.h file and remove the extra tricks formerly
used to be able to include this header file directly.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>

this version of the header file just contains the definitions we
need, while still being easily diff-able against the original file.
Please consider applying this one.


 powerpc/include/asm/hvcall.h | 33 +++++++++++++++++++++++++++++++++
 powerpc/spapr.h              |  3 ---
 2 files changed, 33 insertions(+), 3 deletions(-)
 create mode 100644 powerpc/include/asm/hvcall.h

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diff --git a/powerpc/include/asm/hvcall.h b/powerpc/include/asm/hvcall.h
new file mode 100644
index 0000000..9d58f9b
--- /dev/null
+++ b/powerpc/include/asm/hvcall.h
@@ -0,0 +1,33 @@ 
+/* This file is a trimmed-down version of arch/powerpc/include/asm/hvcall.h. */
+#define H_SUCCESS	0
+#define H_HARDWARE	-1	/* Hardware error */
+#define H_FUNCTION	-2	/* Function not supported */
+#define H_PRIVILEGE	-3	/* Caller not privileged */
+#define H_PARAMETER	-4	/* Parameter invalid, out-of-range or conflicting */
+#define H_SET_DABR		0x28
+#define H_LOGICAL_CI_LOAD	0x3c
+#define H_LOGICAL_CI_STORE	0x40
+#define H_LOGICAL_CACHE_LOAD	0x44
+#define H_LOGICAL_ICBI		0x4c
+#define H_LOGICAL_DCBF		0x50
+#define H_GET_TERM_CHAR		0x54
+#define H_PUT_TERM_CHAR		0x58
+#define H_EOI			0x64
+#define H_CPPR			0x68
+#define H_IPI			0x6c
+#define H_IPOLL			0x70
+#define H_XIRR			0x74
+#define H_SET_MODE		0x31C
+#endif /* _ASM_POWERPC_HVCALL_H */
diff --git a/powerpc/spapr.h b/powerpc/spapr.h
index 0537f88..4c6e349 100644
--- a/powerpc/spapr.h
+++ b/powerpc/spapr.h
@@ -16,10 +16,7 @@ 
 #include <inttypes.h>
-/* We need some of the H_ hcall defs, but they're __KERNEL__ only. */
-#define __KERNEL__
 #include <asm/hvcall.h>
-#undef __KERNEL__
 #include "kvm/kvm.h"
 #include "kvm/kvm-cpu.h"