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/hrtimer.h>
25 #include <linux/interrupt.h>
26 #include <linux/types.h>
27 #include <linux/kvm_types.h>
28 #include <linux/kvm_para.h>
29 #include <asm/kvm_asm.h>
31 #define KVM_MAX_VCPUS 1
32 #define KVM_MEMORY_SLOTS 32
33 /* memory slots that does not exposed to userspace */
34 #define KVM_PRIVATE_MEM_SLOTS 4
36 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1
38 /* We don't currently support large pages. */
39 #define KVM_HPAGE_GFN_SHIFT(x) 0
40 #define KVM_NR_PAGE_SIZES 1
41 #define KVM_PAGES_PER_HPAGE(x) (1UL<<31)
43 #define HPTEG_CACHE_NUM (1 << 15)
44 #define HPTEG_HASH_BITS_PTE 13
45 #define HPTEG_HASH_BITS_VPTE 13
46 #define HPTEG_HASH_BITS_VPTE_LONG 5
47 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE)
48 #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE)
49 #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG)
51 /* Physical Address Mask - allowed range of real mode RAM access */
52 #define KVM_PAM 0x0fffffffffffffffULL
62 struct kvm_vcpu_stat {
68 /* Account for special types of light exits: */
69 u32 itlb_real_miss_exits;
70 u32 itlb_virt_miss_exits;
71 u32 dtlb_real_miss_exits;
72 u32 dtlb_virt_miss_exits;
76 u32 emulated_inst_exits;
80 #ifdef CONFIG_PPC_BOOK3S
100 DTLB_VIRT_MISS_EXITS,
105 EMULATED_MTMSRWE_EXITS,
106 EMULATED_WRTEE_EXITS,
107 EMULATED_MTSPR_EXITS,
108 EMULATED_MFSPR_EXITS,
109 EMULATED_MTMSR_EXITS,
110 EMULATED_MFMSR_EXITS,
111 EMULATED_TLBSX_EXITS,
112 EMULATED_TLBWE_EXITS,
121 __NUMBER_OF_KVM_EXIT_TYPES
124 /* allow access to big endian 32bit upper/lower parts and 64bit var */
125 struct kvmppc_exit_timing {
143 bool may_execute : 1;
148 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
149 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
150 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
151 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
152 void (*slbia)(struct kvm_vcpu *vcpu);
154 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value);
155 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
156 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, struct kvmppc_pte *pte, bool data);
157 void (*reset_msr)(struct kvm_vcpu *vcpu);
158 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
159 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid);
160 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
161 bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
165 struct hlist_node list_pte;
166 struct hlist_node list_vpte;
167 struct hlist_node list_vpte_long;
168 struct rcu_head rcu_head;
172 struct kvmppc_pte pte;
175 struct kvm_vcpu_arch {
178 #ifdef CONFIG_PPC_BOOK3S
182 ulong trampoline_lowmem;
183 ulong trampoline_enter;
184 ulong highmem_handler;
186 ulong host_paca_phys;
187 struct kvmppc_mmu mmu;
195 #ifdef CONFIG_ALTIVEC
204 #ifdef CONFIG_PPC_BOOK3S
205 /* For Gekko paired singles */
218 #ifdef CONFIG_PPC_BOOK3S
221 ulong guest_owned_ext;
254 #ifdef CONFIG_KVM_EXIT_TIMING
255 struct kvmppc_exit_timing timing_exit;
256 struct kvmppc_exit_timing timing_last_enter;
258 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES];
259 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES];
260 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES];
261 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
262 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
263 u64 timing_last_exit;
264 struct dentry *debugfs_exit_timing;
274 gpa_t paddr_accessed;
276 u8 io_gpr; /* GPR used as IO source/target */
277 u8 mmio_is_bigendian;
284 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
286 struct hrtimer dec_timer;
287 struct tasklet_struct tasklet;
289 unsigned long pending_exceptions;
290 struct kvm_vcpu_arch_shared *shared;
291 unsigned long magic_page_pa; /* phys addr to map the magic page to */
292 unsigned long magic_page_ea; /* effect. addr to map the magic page to */
294 #ifdef CONFIG_PPC_BOOK3S
295 struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE];
296 struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE];
297 struct hlist_head hpte_hash_vpte_long[HPTEG_HASH_NUM_VPTE_LONG];
298 int hpte_cache_count;
303 #endif /* __POWERPC_KVM_HOST_H__ */