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vti.h
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1 /*
2  * vti.h: prototype for generial vt related interface
3  * Copyright (c) 2004, Intel Corporation.
4  *
5  * Xuefei Xu (Anthony Xu) ([email protected])
6  * Fred Yang ([email protected])
7  * Kun Tian (Kevin Tian) ([email protected])
8  *
9  * Copyright (c) 2007, Intel Corporation.
10  * Zhang xiantao <[email protected]>
11  *
12  * This program is free software; you can redistribute it and/or modify it
13  * under the terms and conditions of the GNU General Public License,
14  * version 2, as published by the Free Software Foundation.
15  *
16  * This program is distributed in the hope it will be useful, but WITHOUT
17  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
19  * more details.
20  *
21  * You should have received a copy of the GNU General Public License along with
22  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
23  * Place - Suite 330, Boston, MA 02111-1307 USA.
24  */
25 #ifndef _KVM_VT_I_H
26 #define _KVM_VT_I_H
27 
28 #ifndef __ASSEMBLY__
29 #include <asm/page.h>
30 
31 #include <linux/kvm_host.h>
32 
33 /* define itr.i and itr.d in ia64_itr function */
34 #define ITR 0x01
35 #define DTR 0x02
36 #define IaDTR 0x03
37 
38 #define IA64_TR_VMM 6 /*itr6, dtr6 : maps vmm code, vmbuffer*/
39 #define IA64_TR_VM_DATA 7 /*dtr7 : maps current vm data*/
40 
41 #define RR6 (6UL<<61)
42 #define RR7 (7UL<<61)
43 
44 
45 /* config_options in pal_vp_init_env */
46 #define VP_INITIALIZE 1UL
47 #define VP_FR_PMC 1UL<<1
48 #define VP_OPCODE 1UL<<8
49 #define VP_CAUSE 1UL<<9
50 #define VP_FW_ACC 1UL<<63
51 
52 /* init vp env with initializing vm_buffer */
53 #define VP_INIT_ENV_INITALIZE (VP_INITIALIZE | VP_FR_PMC |\
54  VP_OPCODE | VP_CAUSE | VP_FW_ACC)
55 /* init vp env without initializing vm_buffer */
56 #define VP_INIT_ENV VP_FR_PMC | VP_OPCODE | VP_CAUSE | VP_FW_ACC
57 
58 #define PAL_VP_CREATE 265
59 /* Stacked Virt. Initializes a new VPD for the operation of
60  * a new virtual processor in the virtual environment.
61  */
62 #define PAL_VP_ENV_INFO 266
63 /*Stacked Virt. Returns the parameters needed to enter a virtual environment.*/
64 #define PAL_VP_EXIT_ENV 267
65 /*Stacked Virt. Allows a logical processor to exit a virtual environment.*/
66 #define PAL_VP_INIT_ENV 268
67 /*Stacked Virt. Allows a logical processor to enter a virtual environment.*/
68 #define PAL_VP_REGISTER 269
69 /*Stacked Virt. Register a different host IVT for the virtual processor.*/
70 #define PAL_VP_RESUME 270
71 /* Renamed from PAL_VP_RESUME */
72 #define PAL_VP_RESTORE 270
73 /*Stacked Virt. Resumes virtual processor operation on the logical processor.*/
74 #define PAL_VP_SUSPEND 271
75 /* Renamed from PAL_VP_SUSPEND */
76 #define PAL_VP_SAVE 271
77 /* Stacked Virt. Suspends operation for the specified virtual processor on
78  * the logical processor.
79  */
80 #define PAL_VP_TERMINATE 272
81 /* Stacked Virt. Terminates operation for the specified virtual processor.*/
82 
83 union vac {
84  unsigned long value;
85  struct {
86  unsigned int a_int:1;
87  unsigned int a_from_int_cr:1;
88  unsigned int a_to_int_cr:1;
89  unsigned int a_from_psr:1;
90  unsigned int a_from_cpuid:1;
91  unsigned int a_cover:1;
92  unsigned int a_bsw:1;
93  long reserved:57;
94  };
95 };
96 
97 union vdc {
98  unsigned long value;
99  struct {
100  unsigned int d_vmsw:1;
101  unsigned int d_extint:1;
102  unsigned int d_ibr_dbr:1;
103  unsigned int d_pmc:1;
104  unsigned int d_to_pmd:1;
105  unsigned int d_itm:1;
106  long reserved:58;
107  };
108 };
109 
110 struct vpd {
111  union vac vac;
112  union vdc vdc;
113  unsigned long virt_env_vaddr;
114  unsigned long reserved1[29];
115  unsigned long vhpi;
116  unsigned long reserved2[95];
117  unsigned long vgr[16];
118  unsigned long vbgr[16];
119  unsigned long vnat;
120  unsigned long vbnat;
121  unsigned long vcpuid[5];
122  unsigned long reserved3[11];
123  unsigned long vpsr;
124  unsigned long vpr;
125  unsigned long reserved4[76];
126  union {
127  unsigned long vcr[128];
128  struct {
129  unsigned long dcr;
130  unsigned long itm;
131  unsigned long iva;
132  unsigned long rsv1[5];
133  unsigned long pta;
134  unsigned long rsv2[7];
135  unsigned long ipsr;
136  unsigned long isr;
137  unsigned long rsv3;
138  unsigned long iip;
139  unsigned long ifa;
140  unsigned long itir;
141  unsigned long iipa;
142  unsigned long ifs;
143  unsigned long iim;
144  unsigned long iha;
145  unsigned long rsv4[38];
146  unsigned long lid;
147  unsigned long ivr;
148  unsigned long tpr;
149  unsigned long eoi;
150  unsigned long irr[4];
151  unsigned long itv;
152  unsigned long pmv;
153  unsigned long cmcv;
154  unsigned long rsv5[5];
155  unsigned long lrr0;
156  unsigned long lrr1;
157  unsigned long rsv6[46];
158  };
159  };
160  unsigned long reserved5[128];
161  unsigned long reserved6[3456];
162  unsigned long vmm_avail[128];
163  unsigned long reserved7[4096];
164 };
165 
166 #define PAL_PROC_VM_BIT (1UL << 40)
167 #define PAL_PROC_VMSW_BIT (1UL << 54)
168 
169 static inline s64 ia64_pal_vp_env_info(u64 *buffer_size,
170  u64 *vp_env_info)
171 {
172  struct ia64_pal_retval iprv;
173  PAL_CALL_STK(iprv, PAL_VP_ENV_INFO, 0, 0, 0);
174  *buffer_size = iprv.v0;
175  *vp_env_info = iprv.v1;
176  return iprv.status;
177 }
178 
179 static inline s64 ia64_pal_vp_exit_env(u64 iva)
180 {
181  struct ia64_pal_retval iprv;
182 
183  PAL_CALL_STK(iprv, PAL_VP_EXIT_ENV, (u64)iva, 0, 0);
184  return iprv.status;
185 }
186 
187 static inline s64 ia64_pal_vp_init_env(u64 config_options, u64 pbase_addr,
188  u64 vbase_addr, u64 *vsa_base)
189 {
190  struct ia64_pal_retval iprv;
191 
192  PAL_CALL_STK(iprv, PAL_VP_INIT_ENV, config_options, pbase_addr,
193  vbase_addr);
194  *vsa_base = iprv.v0;
195 
196  return iprv.status;
197 }
198 
199 static inline s64 ia64_pal_vp_restore(u64 *vpd, u64 pal_proc_vector)
200 {
201  struct ia64_pal_retval iprv;
202 
203  PAL_CALL_STK(iprv, PAL_VP_RESTORE, (u64)vpd, pal_proc_vector, 0);
204 
205  return iprv.status;
206 }
207 
208 static inline s64 ia64_pal_vp_save(u64 *vpd, u64 pal_proc_vector)
209 {
210  struct ia64_pal_retval iprv;
211 
212  PAL_CALL_STK(iprv, PAL_VP_SAVE, (u64)vpd, pal_proc_vector, 0);
213 
214  return iprv.status;
215 }
216 
217 #endif
218 
219 /*VPD field offset*/
220 #define VPD_VAC_START_OFFSET 0
221 #define VPD_VDC_START_OFFSET 8
222 #define VPD_VHPI_START_OFFSET 256
223 #define VPD_VGR_START_OFFSET 1024
224 #define VPD_VBGR_START_OFFSET 1152
225 #define VPD_VNAT_START_OFFSET 1280
226 #define VPD_VBNAT_START_OFFSET 1288
227 #define VPD_VCPUID_START_OFFSET 1296
228 #define VPD_VPSR_START_OFFSET 1424
229 #define VPD_VPR_START_OFFSET 1432
230 #define VPD_VRSE_CFLE_START_OFFSET 1440
231 #define VPD_VCR_START_OFFSET 2048
232 #define VPD_VTPR_START_OFFSET 2576
233 #define VPD_VRR_START_OFFSET 3072
234 #define VPD_VMM_VAIL_START_OFFSET 31744
235 
236 /*Virtualization faults*/
237 
238 #define EVENT_MOV_TO_AR 1
239 #define EVENT_MOV_TO_AR_IMM 2
240 #define EVENT_MOV_FROM_AR 3
241 #define EVENT_MOV_TO_CR 4
242 #define EVENT_MOV_FROM_CR 5
243 #define EVENT_MOV_TO_PSR 6
244 #define EVENT_MOV_FROM_PSR 7
245 #define EVENT_ITC_D 8
246 #define EVENT_ITC_I 9
247 #define EVENT_MOV_TO_RR 10
248 #define EVENT_MOV_TO_DBR 11
249 #define EVENT_MOV_TO_IBR 12
250 #define EVENT_MOV_TO_PKR 13
251 #define EVENT_MOV_TO_PMC 14
252 #define EVENT_MOV_TO_PMD 15
253 #define EVENT_ITR_D 16
254 #define EVENT_ITR_I 17
255 #define EVENT_MOV_FROM_RR 18
256 #define EVENT_MOV_FROM_DBR 19
257 #define EVENT_MOV_FROM_IBR 20
258 #define EVENT_MOV_FROM_PKR 21
259 #define EVENT_MOV_FROM_PMC 22
260 #define EVENT_MOV_FROM_CPUID 23
261 #define EVENT_SSM 24
262 #define EVENT_RSM 25
263 #define EVENT_PTC_L 26
264 #define EVENT_PTC_G 27
265 #define EVENT_PTC_GA 28
266 #define EVENT_PTR_D 29
267 #define EVENT_PTR_I 30
268 #define EVENT_THASH 31
269 #define EVENT_TTAG 32
270 #define EVENT_TPA 33
271 #define EVENT_TAK 34
272 #define EVENT_PTC_E 35
273 #define EVENT_COVER 36
274 #define EVENT_RFI 37
275 #define EVENT_BSW_0 38
276 #define EVENT_BSW_1 39
277 #define EVENT_VMSW 40
278 
280 #define PAL_VPS_RESUME_NORMAL 0x0000
281 #define PAL_VPS_RESUME_HANDLER 0x0400
282 #define PAL_VPS_SYNC_READ 0x0800
283 #define PAL_VPS_SYNC_WRITE 0x0c00
284 #define PAL_VPS_SET_PENDING_INTERRUPT 0x1000
285 #define PAL_VPS_THASH 0x1400
286 #define PAL_VPS_TTAG 0x1800
287 #define PAL_VPS_RESTORE 0x1c00
288 #define PAL_VPS_SAVE 0x2000
289 
290 #endif/* _VT_I_H*/
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