1 /*
2  * vti.h: prototype for generial vt related interface
3  *   	Copyright (c) 2004, Intel Corporation.
4  *
5  *	Xuefei Xu (Anthony Xu) (anthony.xu@intel.com)
6  *	Fred Yang (fred.yang@intel.com)
7  * 	Kun Tian (Kevin Tian) (kevin.tian@intel.com)
8  *
9  *  	Copyright (c) 2007, Intel Corporation.
10  *  	Zhang xiantao <xiantao.zhang@intel.com>
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 		int a_int:1;
87 		int a_from_int_cr:1;
88 		int a_to_int_cr:1;
89 		int a_from_psr:1;
90 		int a_from_cpuid:1;
91 		int a_cover:1;
92 		int a_bsw:1;
93 		long reserved:57;
94 	};
95 };
96 
97 union vdc {
98 	unsigned long value;
99 	struct {
100 		int d_vmsw:1;
101 		int d_extint:1;
102 		int d_ibr_dbr:1;
103 		int d_pmc:1;
104 		int d_to_pmd:1;
105 		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 
ia64_pal_vp_env_info(u64 * buffer_size,u64 * vp_env_info)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 
ia64_pal_vp_exit_env(u64 iva)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 
ia64_pal_vp_init_env(u64 config_options,u64 pbase_addr,u64 vbase_addr,u64 * vsa_base)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 
ia64_pal_vp_restore(u64 * vpd,u64 pal_proc_vector)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 
ia64_pal_vp_save(u64 * vpd,u64 pal_proc_vector)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 
279 /**PAL virtual services offsets */
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*/
291