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powerpc/pseries: Move VPHN constants into vphn.h 

These don't have any particularly good reason to belong in lppaca.h,
move them into their own header.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230823055317.751786-1-mpe@ellerman.id.au
This commit is contained in:
Michael Ellerman 2023-08-23 15:53:14 +10:00
parent fe32945203
commit c040c7488b
8 changed files with 27 additions and 24 deletions
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22
arch/powerpc/include/asm/lppaca.h
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@ -6,28 +6,6 @@
#ifndef _ASM_POWERPC_LPPACA_H
#define _ASM_POWERPC_LPPACA_H
/*
* The below VPHN macros are outside the __KERNEL__ check since these are
* used for compiling the vphn selftest in userspace
*/
/* The H_HOME_NODE_ASSOCIATIVITY h_call returns 6 64-bit registers. */
#define VPHN_REGISTER_COUNT 6
/*
* 6 64-bit registers unpacked into up to 24 be32 associativity values. To
* form the complete property we have to add the length in the first cell.
*/
#define VPHN_ASSOC_BUFSIZE (VPHN_REGISTER_COUNT*sizeof(u64)/sizeof(u16) + 1)
/*
* The H_HOME_NODE_ASSOCIATIVITY hcall takes two values for flags:
* 1 for retrieving associativity information for a guest cpu
* 2 for retrieving associativity information for a host/hypervisor cpu
*/
#define VPHN_FLAG_VCPU 1
#define VPHN_FLAG_PCPU 2
#ifdef __KERNEL__
/*

22
arch/powerpc/include/asm/vphn.h Normal file
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@ -0,0 +1,22 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _ASM_POWERPC_VPHN_H
#define _ASM_POWERPC_VPHN_H
/* The H_HOME_NODE_ASSOCIATIVITY h_call returns 6 64-bit registers. */
#define VPHN_REGISTER_COUNT 6
/*
* 6 64-bit registers unpacked into up to 24 be32 associativity values. To
* form the complete property we have to add the length in the first cell.
*/
#define VPHN_ASSOC_BUFSIZE (VPHN_REGISTER_COUNT*sizeof(u64)/sizeof(u16) + 1)
/*
* The H_HOME_NODE_ASSOCIATIVITY hcall takes two values for flags:
* 1 for retrieving associativity information for a guest cpu
* 2 for retrieving associativity information for a host/hypervisor cpu
*/
#define VPHN_FLAG_VCPU 1
#define VPHN_FLAG_PCPU 2
#endif // _ASM_POWERPC_VPHN_H

1
arch/powerpc/mm/numa.c
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@ -34,6 +34,7 @@
#include <asm/hvcall.h>
#include <asm/setup.h>
#include <asm/vdso.h>
#include <asm/vphn.h>
#include <asm/drmem.h>
static int numa_enabled = 1;

1
arch/powerpc/platforms/pseries/lpar.c
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@ -41,6 +41,7 @@
#include <asm/kexec.h>
#include <asm/fadump.h>
#include <asm/dtl.h>
#include <asm/vphn.h>
#include "pseries.h"

1
arch/powerpc/platforms/pseries/vas.c
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@ -17,6 +17,7 @@
#include <asm/hvcall.h>
#include <asm/plpar_wrappers.h>
#include <asm/firmware.h>
#include <asm/vphn.h>
#include <asm/vas.h>
#include "vas.h"

2
arch/powerpc/platforms/pseries/vphn.c
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <asm/byteorder.h>
#include <asm/lppaca.h>
#include <asm/vphn.h>
/*
* The associativity domain numbers are returned from the hypervisor as a

1
tools/testing/selftests/powerpc/vphn/asm/lppaca.h
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@ -1 +0,0 @@
../../../../../../arch/powerpc/include/asm/lppaca.h

1
tools/testing/selftests/powerpc/vphn/asm/vphn.h Symbolic link
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@ -0,0 +1 @@
../../../../../../arch/powerpc/include/asm/vphn.h