| Hollis Blanchard | db93f57 | 2008-11-05 09:36:18 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * This program is free software; you can redistribute it and/or modify |
| 3 | * it under the terms of the GNU General Public License, version 2, as |
| 4 | * published by the Free Software Foundation. |
| 5 | * |
| 6 | * This program is distributed in the hope that it will be useful, |
| 7 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 8 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 9 | * GNU General Public License for more details. |
| 10 | * |
| 11 | * You should have received a copy of the GNU General Public License |
| 12 | * along with this program; if not, write to the Free Software |
| 13 | * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 14 | * |
| 15 | * Copyright IBM Corp. 2008 |
| 16 | * |
| 17 | * Authors: Hollis Blanchard <hollisb@us.ibm.com> |
| 18 | */ |
| 19 | |
| 20 | #ifndef __ASM_44X_H__ |
| 21 | #define __ASM_44X_H__ |
| 22 | |
| 23 | #include <linux/kvm_host.h> |
| 24 | |
| 25 | /* XXX Can't include mmu-44x.h because it redefines struct mm_context. */ |
| 26 | #define PPC44x_TLB_SIZE 64 |
| 27 | |
| 28 | struct kvmppc_vcpu_44x { |
| 29 | /* Unmodified copy of the guest's TLB. */ |
| 30 | struct kvmppc_44x_tlbe guest_tlb[PPC44x_TLB_SIZE]; |
| 31 | /* TLB that's actually used when the guest is running. */ |
| 32 | struct kvmppc_44x_tlbe shadow_tlb[PPC44x_TLB_SIZE]; |
| 33 | /* Pages which are referenced in the shadow TLB. */ |
| 34 | struct page *shadow_pages[PPC44x_TLB_SIZE]; |
| 35 | |
| 36 | /* Track which TLB entries we've modified in the current exit. */ |
| 37 | u8 shadow_tlb_mod[PPC44x_TLB_SIZE]; |
| 38 | |
| 39 | struct kvm_vcpu vcpu; |
| 40 | }; |
| 41 | |
| 42 | static inline struct kvmppc_vcpu_44x *to_44x(struct kvm_vcpu *vcpu) |
| 43 | { |
| 44 | return container_of(vcpu, struct kvmppc_vcpu_44x, vcpu); |
| 45 | } |
| 46 | |
| 47 | #endif /* __ASM_44X_H__ */ |