blob: 5e5bae7e152fe4a084eef9f61cf72abfe728e399 [file] [log] [blame]
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -05001/*
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. 2007
16 *
17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
18 */
19
20#ifndef __POWERPC_KVM_HOST_H__
21#define __POWERPC_KVM_HOST_H__
22
23#include <linux/mutex.h>
Alexander Graf544c6762009-11-02 12:02:31 +000024#include <linux/hrtimer.h>
25#include <linux/interrupt.h>
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050026#include <linux/types.h>
27#include <linux/kvm_types.h>
28#include <asm/kvm_asm.h>
29
30#define KVM_MAX_VCPUS 1
31#define KVM_MEMORY_SLOTS 32
32/* memory slots that does not exposed to userspace */
33#define KVM_PRIVATE_MEM_SLOTS 4
34
Laurent Vivier588968b2008-05-30 16:05:56 +020035#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
36
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050037/* We don't currently support large pages. */
Joerg Roedelec04b262009-06-19 15:16:23 +020038#define KVM_NR_PAGE_SIZES 1
39#define KVM_PAGES_PER_HPAGE(x) (1UL<<31)
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050040
Alexander Grafca951502009-10-30 05:47:04 +000041#define HPTEG_CACHE_NUM 1024
42
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050043struct kvm;
44struct kvm_run;
45struct kvm_vcpu;
46
47struct kvm_vm_stat {
48 u32 remote_tlb_flush;
49};
50
51struct kvm_vcpu_stat {
52 u32 sum_exits;
53 u32 mmio_exits;
54 u32 dcr_exits;
55 u32 signal_exits;
56 u32 light_exits;
57 /* Account for special types of light exits: */
58 u32 itlb_real_miss_exits;
59 u32 itlb_virt_miss_exits;
60 u32 dtlb_real_miss_exits;
61 u32 dtlb_virt_miss_exits;
62 u32 syscall_exits;
63 u32 isi_exits;
64 u32 dsi_exits;
65 u32 emulated_inst_exits;
66 u32 dec_exits;
67 u32 ext_intr_exits;
Hollis Blanchard45c5eb62008-04-25 17:55:49 -050068 u32 halt_wakeup;
Alexander Grafca951502009-10-30 05:47:04 +000069#ifdef CONFIG_PPC64
70 u32 pf_storage;
71 u32 pf_instruc;
72 u32 sp_storage;
73 u32 sp_instruc;
74 u32 queue_intr;
75 u32 ld;
76 u32 ld_slow;
77 u32 st;
78 u32 st_slow;
79#endif
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -050080};
81
Hollis Blanchard73e75b42008-12-02 15:51:57 -060082enum kvm_exit_types {
83 MMIO_EXITS,
84 DCR_EXITS,
85 SIGNAL_EXITS,
86 ITLB_REAL_MISS_EXITS,
87 ITLB_VIRT_MISS_EXITS,
88 DTLB_REAL_MISS_EXITS,
89 DTLB_VIRT_MISS_EXITS,
90 SYSCALL_EXITS,
91 ISI_EXITS,
92 DSI_EXITS,
93 EMULATED_INST_EXITS,
94 EMULATED_MTMSRWE_EXITS,
95 EMULATED_WRTEE_EXITS,
96 EMULATED_MTSPR_EXITS,
97 EMULATED_MFSPR_EXITS,
98 EMULATED_MTMSR_EXITS,
99 EMULATED_MFMSR_EXITS,
100 EMULATED_TLBSX_EXITS,
101 EMULATED_TLBWE_EXITS,
102 EMULATED_RFI_EXITS,
103 DEC_EXITS,
104 EXT_INTR_EXITS,
105 HALT_WAKEUP,
106 USR_PR_INST,
107 FP_UNAVAIL,
108 DEBUG_EXITS,
109 TIMEINGUEST,
110 __NUMBER_OF_KVM_EXIT_TYPES
111};
112
Hollis Blanchard73e75b42008-12-02 15:51:57 -0600113/* allow access to big endian 32bit upper/lower parts and 64bit var */
Hollis Blanchard7b701592008-12-02 15:51:58 -0600114struct kvmppc_exit_timing {
Hollis Blanchard73e75b42008-12-02 15:51:57 -0600115 union {
116 u64 tv64;
117 struct {
118 u32 tbu, tbl;
119 } tv32;
120 };
121};
Hollis Blanchard73e75b42008-12-02 15:51:57 -0600122
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500123struct kvm_arch {
124};
125
Alexander Grafca951502009-10-30 05:47:04 +0000126struct kvmppc_pte {
127 u64 eaddr;
128 u64 vpage;
129 u64 raddr;
130 bool may_read;
131 bool may_write;
132 bool may_execute;
133};
134
135struct kvmppc_mmu {
136 /* book3s_64 only */
137 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
138 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
139 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
140 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
141 void (*slbia)(struct kvm_vcpu *vcpu);
142 /* book3s */
143 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value);
144 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
145 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, struct kvmppc_pte *pte, bool data);
146 void (*reset_msr)(struct kvm_vcpu *vcpu);
147 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
148 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, u64 esid, u64 *vsid);
149 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
150 bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
151};
152
153struct hpte_cache {
154 u64 host_va;
155 u64 pfn;
156 ulong slot;
157 struct kvmppc_pte pte;
158};
159
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500160struct kvm_vcpu_arch {
Alexander Grafca951502009-10-30 05:47:04 +0000161 ulong host_stack;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500162 u32 host_pid;
Alexander Grafca951502009-10-30 05:47:04 +0000163#ifdef CONFIG_PPC64
164 ulong host_msr;
165 ulong host_r2;
166 void *host_retip;
167 ulong trampoline_lowmem;
168 ulong trampoline_enter;
169 ulong highmem_handler;
Alexander Graf021ec9c2010-01-08 02:58:06 +0100170 ulong rmcall;
Alexander Grafca951502009-10-30 05:47:04 +0000171 ulong host_paca_phys;
172 struct kvmppc_mmu mmu;
173#endif
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500174
Hollis Blanchard5cf8ca22008-11-05 09:36:19 -0600175 ulong gpr[32];
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500176
Alexander Graf180a34d2010-01-15 14:49:11 +0100177 u64 fpr[32];
178 u32 fpscr;
179
180#ifdef CONFIG_ALTIVEC
181 vector128 vr[32];
182 vector128 vscr;
183#endif
184
185#ifdef CONFIG_VSX
186 u64 vsr[32];
187#endif
188
Hollis Blanchard5cf8ca22008-11-05 09:36:19 -0600189 ulong pc;
Hollis Blanchard5cf8ca22008-11-05 09:36:19 -0600190 ulong ctr;
191 ulong lr;
Alexander Graf7e57cba2010-01-08 02:58:03 +0100192
193#ifdef CONFIG_BOOKE
Hollis Blanchard5cf8ca22008-11-05 09:36:19 -0600194 ulong xer;
Alexander Graf7e57cba2010-01-08 02:58:03 +0100195 u32 cr;
196#endif
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500197
Hollis Blanchard5cf8ca22008-11-05 09:36:19 -0600198 ulong msr;
Alexander Grafca951502009-10-30 05:47:04 +0000199#ifdef CONFIG_PPC64
200 ulong shadow_msr;
Alexander Graff7adbba2010-01-15 14:49:13 +0100201 ulong shadow_srr1;
Alexander Grafca951502009-10-30 05:47:04 +0000202 ulong hflags;
Alexander Graf180a34d2010-01-15 14:49:11 +0100203 ulong guest_owned_ext;
Alexander Grafca951502009-10-30 05:47:04 +0000204#endif
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500205 u32 mmucr;
Hollis Blanchard5cf8ca22008-11-05 09:36:19 -0600206 ulong sprg0;
207 ulong sprg1;
208 ulong sprg2;
209 ulong sprg3;
210 ulong sprg4;
211 ulong sprg5;
212 ulong sprg6;
213 ulong sprg7;
214 ulong srr0;
215 ulong srr1;
216 ulong csrr0;
217 ulong csrr1;
218 ulong dsrr0;
219 ulong dsrr1;
220 ulong dear;
221 ulong esr;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500222 u32 dec;
223 u32 decar;
224 u32 tbl;
225 u32 tbu;
226 u32 tcr;
227 u32 tsr;
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600228 u32 ivor[64];
Hollis Blanchard5cf8ca22008-11-05 09:36:19 -0600229 ulong ivpr;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500230 u32 pir;
Alexander Grafca951502009-10-30 05:47:04 +0000231 u32 pvr;
Hollis Blanchard49dd2c42008-07-25 13:54:53 -0500232
233 u32 shadow_pid;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500234 u32 pid;
Hollis Blanchard49dd2c42008-07-25 13:54:53 -0500235 u32 swap_pid;
236
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500237 u32 ccr0;
238 u32 ccr1;
239 u32 dbcr0;
240 u32 dbcr1;
Hollis Blanchardf7b200a2009-01-03 16:23:07 -0600241 u32 dbsr;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500242
Hollis Blanchard73e75b42008-12-02 15:51:57 -0600243#ifdef CONFIG_KVM_EXIT_TIMING
Hollis Blanchard7b701592008-12-02 15:51:58 -0600244 struct kvmppc_exit_timing timing_exit;
245 struct kvmppc_exit_timing timing_last_enter;
Hollis Blanchard73e75b42008-12-02 15:51:57 -0600246 u32 last_exit_type;
247 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES];
248 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES];
249 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES];
250 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
251 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
252 u64 timing_last_exit;
253 struct dentry *debugfs_exit_timing;
254#endif
255
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500256 u32 last_inst;
Alexander Grafca951502009-10-30 05:47:04 +0000257#ifdef CONFIG_PPC64
258 ulong fault_dsisr;
259#endif
Hollis Blanchard5cf8ca22008-11-05 09:36:19 -0600260 ulong fault_dear;
261 ulong fault_esr;
Liu Yudaf5e272010-02-02 19:44:35 +0800262 ulong queued_dear;
263 ulong queued_esr;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500264 gpa_t paddr_accessed;
265
266 u8 io_gpr; /* GPR used as IO source/target */
267 u8 mmio_is_bigendian;
268 u8 dcr_needed;
269 u8 dcr_is_write;
270
271 u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
272
Alexander Graf544c6762009-11-02 12:02:31 +0000273 struct hrtimer dec_timer;
274 struct tasklet_struct tasklet;
Alexander Grafca951502009-10-30 05:47:04 +0000275 u64 dec_jiffies;
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500276 unsigned long pending_exceptions;
Alexander Grafca951502009-10-30 05:47:04 +0000277
278#ifdef CONFIG_PPC64
279 struct hpte_cache hpte_cache[HPTEG_CACHE_NUM];
280 int hpte_cache_offset;
281#endif
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500282};
283
Hollis Blanchardbbf45ba2008-04-16 23:28:09 -0500284#endif /* __POWERPC_KVM_HOST_H__ */