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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*
* 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright SUSE Linux Products GmbH 2010
*
* Authors: Alexander Graf <agraf@suse.de>
*/
#ifndef __ASM_KVM_BOOK3S_64_H__
#define __ASM_KVM_BOOK3S_64_H__
#ifdef CONFIG_KVM_BOOK3S_PR
static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu)
{
return &get_paca()->shadow_vcpu;
}
#endif
#define SPAPR_TCE_SHIFT 12
static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r,
unsigned long pte_index)
{
unsigned long rb, va_low;
rb = (v & ~0x7fUL) << 16; /* AVA field */
va_low = pte_index >> 3;
if (v & HPTE_V_SECONDARY)
va_low = ~va_low;
/* xor vsid from AVA */
if (!(v & HPTE_V_1TB_SEG))
va_low ^= v >> 12;
else
va_low ^= v >> 24;
va_low &= 0x7ff;
if (v & HPTE_V_LARGE) {
rb |= 1; /* L field */
if (cpu_has_feature(CPU_FTR_ARCH_206) &&
(r & 0xff000)) {
/* non-16MB large page, must be 64k */
/* (masks depend on page size) */
rb |= 0x1000; /* page encoding in LP field */
rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */
rb |= (va_low & 0xfe); /* AVAL field (P7 doesn't seem to care) */
}
} else {
/* 4kB page */
rb |= (va_low & 0x7ff) << 12; /* remaining 11b of VA */
}
rb |= (v >> 54) & 0x300; /* B field */
return rb;
}
#endif /* __ASM_KVM_BOOK3S_64_H__ */
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