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.
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.
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.
15 * Copyright IBM Corp. 2007
17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
20 #ifndef __POWERPC_KVM_HOST_H__
21 #define __POWERPC_KVM_HOST_H__
23 #include <linux/mutex.h>
24 #include <linux/timer.h>
25 #include <linux/types.h>
26 #include <linux/kvm_types.h>
27 #include <asm/kvm_asm.h>
29 #define KVM_MAX_VCPUS 1
30 #define KVM_MEMORY_SLOTS 32
31 /* memory slots that does not exposed to userspace */
32 #define KVM_PRIVATE_MEM_SLOTS 4
34 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1
36 /* We don't currently support large pages. */
37 #define KVM_NR_PAGE_SIZES 1
38 #define KVM_PAGES_PER_HPAGE(x) (1UL<<31)
40 #define HPTEG_CACHE_NUM 1024
50 struct kvm_vcpu_stat {
56 /* Account for special types of light exits: */
57 u32 itlb_real_miss_exits;
58 u32 itlb_virt_miss_exits;
59 u32 dtlb_real_miss_exits;
60 u32 dtlb_virt_miss_exits;
64 u32 emulated_inst_exits;
93 EMULATED_MTMSRWE_EXITS,
100 EMULATED_TLBWE_EXITS,
109 __NUMBER_OF_KVM_EXIT_TYPES
112 /* allow access to big endian 32bit upper/lower parts and 64bit var */
113 struct kvmppc_exit_timing {
136 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
137 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
138 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
139 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
140 void (*slbia)(struct kvm_vcpu *vcpu);
142 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value);
143 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
144 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, struct kvmppc_pte *pte, bool data);
145 void (*reset_msr)(struct kvm_vcpu *vcpu);
146 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
147 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, u64 esid, u64 *vsid);
148 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
149 bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
156 struct kvmppc_pte pte;
159 struct kvm_vcpu_arch {
166 ulong trampoline_lowmem;
167 ulong trampoline_enter;
168 ulong highmem_handler;
169 ulong host_paca_phys;
170 struct kvmppc_mmu mmu;
225 #ifdef CONFIG_KVM_EXIT_TIMING
226 struct kvmppc_exit_timing timing_exit;
227 struct kvmppc_exit_timing timing_last_enter;
229 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES];
230 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES];
231 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES];
232 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
233 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
234 u64 timing_last_exit;
235 struct dentry *debugfs_exit_timing;
244 gpa_t paddr_accessed;
246 u8 io_gpr; /* GPR used as IO source/target */
247 u8 mmio_is_bigendian;
251 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
253 struct timer_list dec_timer;
255 unsigned long pending_exceptions;
258 struct hpte_cache hpte_cache[HPTEG_CACHE_NUM];
259 int hpte_cache_offset;
263 #endif /* __POWERPC_KVM_HOST_H__ */