linux/arch/powerpc/include/asm/ultravisor-api.h
Ram Pai f7777e008c powerpc/pseries/svm: Add helpers for UV_SHARE_PAGE and UV_UNSHARE_PAGE
These functions are used when the guest wants to grant the hypervisor
access to certain pages.

Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190820021326.6884-6-bauerman@linux.ibm.com
2019-08-30 09:55:40 +10:00

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C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Ultravisor API.
*
* Copyright 2019, IBM Corporation.
*
*/
#ifndef _ASM_POWERPC_ULTRAVISOR_API_H
#define _ASM_POWERPC_ULTRAVISOR_API_H
#include <asm/hvcall.h>
/* Return codes */
#define U_BUSY H_BUSY
#define U_FUNCTION H_FUNCTION
#define U_NOT_AVAILABLE H_NOT_AVAILABLE
#define U_P2 H_P2
#define U_P3 H_P3
#define U_P4 H_P4
#define U_P5 H_P5
#define U_PARAMETER H_PARAMETER
#define U_PERMISSION H_PERMISSION
#define U_SUCCESS H_SUCCESS
/* opcodes */
#define UV_WRITE_PATE 0xF104
#define UV_RETURN 0xF11C
#define UV_ESM 0xF110
#define UV_SHARE_PAGE 0xF130
#define UV_UNSHARE_PAGE 0xF134
#endif /* _ASM_POWERPC_ULTRAVISOR_API_H */