xref: /illumos-kvm/linux/usr/include/asm-ia64/kvm.h (revision c5e99aab)
1 #ifndef __ASM_IA64_KVM_H
2 #define __ASM_IA64_KVM_H
3 
4 /*
5  * kvm structure definitions  for ia64
6  *
7  * Copyright (C) 2007 Xiantao Zhang <xiantao.zhang@intel.com>
8  *
9  * This program is free software; you can redistribute it and/or modify it
10  * under the terms and conditions of the GNU General Public License,
11  * version 2, as published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope it will be useful, but WITHOUT
14  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
16  * more details.
17  *
18  * You should have received a copy of the GNU General Public License along with
19  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
20  * Place - Suite 330, Boston, MA 02111-1307 USA.
21  *
22  */
23 
24 #include <linux/types.h>
25 #include <linux/ioctl.h>
26 
27 /* Select x86 specific features in <linux/kvm.h> */
28 #define __KVM_HAVE_IOAPIC
29 #define __KVM_HAVE_DEVICE_ASSIGNMENT
30 
31 /* Architectural interrupt line count. */
32 #define KVM_NR_INTERRUPTS 256
33 
34 #define KVM_IOAPIC_NUM_PINS  48
35 
36 struct kvm_ioapic_state {
37 	__u64 base_address;
38 	__u32 ioregsel;
39 	__u32 id;
40 	__u32 irr;
41 	__u32 pad;
42 	union {
43 		__u64 bits;
44 		struct {
45 			__u8 vector;
46 			__u8 delivery_mode:3;
47 			__u8 dest_mode:1;
48 			__u8 delivery_status:1;
49 			__u8 polarity:1;
50 			__u8 remote_irr:1;
51 			__u8 trig_mode:1;
52 			__u8 mask:1;
53 			__u8 reserve:7;
54 			__u8 reserved[4];
55 			__u8 dest_id;
56 		} fields;
57 	} redirtbl[KVM_IOAPIC_NUM_PINS];
58 };
59 
60 #define KVM_IRQCHIP_PIC_MASTER   0
61 #define KVM_IRQCHIP_PIC_SLAVE    1
62 #define KVM_IRQCHIP_IOAPIC       2
63 #define KVM_NR_IRQCHIPS          3
64 
65 #define KVM_CONTEXT_SIZE	8*1024
66 
67 struct kvm_fpreg {
68 	union {
69 		unsigned long bits[2];
70 		long double __dummy;	/* force 16-byte alignment */
71 	} u;
72 };
73 
74 union context {
75 	/* 8K size */
76 	char	dummy[KVM_CONTEXT_SIZE];
77 	struct {
78 		unsigned long       psr;
79 		unsigned long       pr;
80 		unsigned long       caller_unat;
81 		unsigned long       pad;
82 		unsigned long       gr[32];
83 		unsigned long       ar[128];
84 		unsigned long       br[8];
85 		unsigned long       cr[128];
86 		unsigned long       rr[8];
87 		unsigned long       ibr[8];
88 		unsigned long       dbr[8];
89 		unsigned long       pkr[8];
90 		struct kvm_fpreg   fr[128];
91 	};
92 };
93 
94 struct thash_data {
95 	union {
96 		struct {
97 			unsigned long p    :  1; /* 0 */
98 			unsigned long rv1  :  1; /* 1 */
99 			unsigned long ma   :  3; /* 2-4 */
100 			unsigned long a    :  1; /* 5 */
101 			unsigned long d    :  1; /* 6 */
102 			unsigned long pl   :  2; /* 7-8 */
103 			unsigned long ar   :  3; /* 9-11 */
104 			unsigned long ppn  : 38; /* 12-49 */
105 			unsigned long rv2  :  2; /* 50-51 */
106 			unsigned long ed   :  1; /* 52 */
107 			unsigned long ig1  : 11; /* 53-63 */
108 		};
109 		struct {
110 			unsigned long __rv1 : 53;     /* 0-52 */
111 			unsigned long contiguous : 1; /*53 */
112 			unsigned long tc : 1;         /* 54 TR or TC */
113 			unsigned long cl : 1;
114 			/* 55 I side or D side cache line */
115 			unsigned long len  :  4;      /* 56-59 */
116 			unsigned long io  : 1;	/* 60 entry is for io or not */
117 			unsigned long nomap : 1;
118 			/* 61 entry cann't be inserted into machine TLB.*/
119 			unsigned long checked : 1;
120 			/* 62 for VTLB/VHPT sanity check */
121 			unsigned long invalid : 1;
122 			/* 63 invalid entry */
123 		};
124 		unsigned long page_flags;
125 	};                  /* same for VHPT and TLB */
126 
127 	union {
128 		struct {
129 			unsigned long rv3  :  2;
130 			unsigned long ps   :  6;
131 			unsigned long key  : 24;
132 			unsigned long rv4  : 32;
133 		};
134 		unsigned long itir;
135 	};
136 	union {
137 		struct {
138 			unsigned long ig2  :  12;
139 			unsigned long vpn  :  49;
140 			unsigned long vrn  :   3;
141 		};
142 		unsigned long ifa;
143 		unsigned long vadr;
144 		struct {
145 			unsigned long tag  :  63;
146 			unsigned long ti   :  1;
147 		};
148 		unsigned long etag;
149 	};
150 	union {
151 		struct thash_data *next;
152 		unsigned long rid;
153 		unsigned long gpaddr;
154 	};
155 };
156 
157 #define	NITRS	8
158 #define NDTRS	8
159 
160 struct saved_vpd {
161 	unsigned long  vhpi;
162 	unsigned long  vgr[16];
163 	unsigned long  vbgr[16];
164 	unsigned long  vnat;
165 	unsigned long  vbnat;
166 	unsigned long  vcpuid[5];
167 	unsigned long  vpsr;
168 	unsigned long  vpr;
169 	union {
170 		unsigned long  vcr[128];
171 		struct {
172 			unsigned long dcr;
173 			unsigned long itm;
174 			unsigned long iva;
175 			unsigned long rsv1[5];
176 			unsigned long pta;
177 			unsigned long rsv2[7];
178 			unsigned long ipsr;
179 			unsigned long isr;
180 			unsigned long rsv3;
181 			unsigned long iip;
182 			unsigned long ifa;
183 			unsigned long itir;
184 			unsigned long iipa;
185 			unsigned long ifs;
186 			unsigned long iim;
187 			unsigned long iha;
188 			unsigned long rsv4[38];
189 			unsigned long lid;
190 			unsigned long ivr;
191 			unsigned long tpr;
192 			unsigned long eoi;
193 			unsigned long irr[4];
194 			unsigned long itv;
195 			unsigned long pmv;
196 			unsigned long cmcv;
197 			unsigned long rsv5[5];
198 			unsigned long lrr0;
199 			unsigned long lrr1;
200 			unsigned long rsv6[46];
201 		};
202 	};
203 };
204 
205 struct kvm_regs {
206 	struct saved_vpd vpd;
207 	/*Arch-regs*/
208 	int mp_state;
209 	unsigned long vmm_rr;
210 	/* TR and TC.  */
211 	struct thash_data itrs[NITRS];
212 	struct thash_data dtrs[NDTRS];
213 	/* Bit is set if there is a tr/tc for the region.  */
214 	unsigned char itr_regions;
215 	unsigned char dtr_regions;
216 	unsigned char tc_regions;
217 
218 	char irq_check;
219 	unsigned long saved_itc;
220 	unsigned long itc_check;
221 	unsigned long timer_check;
222 	unsigned long timer_pending;
223 	unsigned long last_itc;
224 
225 	unsigned long vrr[8];
226 	unsigned long ibr[8];
227 	unsigned long dbr[8];
228 	unsigned long insvc[4];		/* Interrupt in service.  */
229 	unsigned long xtp;
230 
231 	unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */
232 	unsigned long metaphysical_rr4;	/* from kvm_arch (so is pinned) */
233 	unsigned long metaphysical_saved_rr0; /* from kvm_arch          */
234 	unsigned long metaphysical_saved_rr4; /* from kvm_arch          */
235 	unsigned long fp_psr;       /*used for lazy float register */
236 	unsigned long saved_gp;
237 	/*for phycial  emulation */
238 
239 	union context saved_guest;
240 
241 	unsigned long reserved[64];	/* for future use */
242 };
243 
244 struct kvm_sregs {
245 };
246 
247 struct kvm_fpu {
248 };
249 
250 #define KVM_IA64_VCPU_STACK_SHIFT	16
251 #define KVM_IA64_VCPU_STACK_SIZE	(1UL << KVM_IA64_VCPU_STACK_SHIFT)
252 
253 struct kvm_ia64_vcpu_stack {
254 	unsigned char stack[KVM_IA64_VCPU_STACK_SIZE];
255 };
256 
257 struct kvm_debug_exit_arch {
258 };
259 
260 /* for KVM_SET_GUEST_DEBUG */
261 struct kvm_guest_debug_arch {
262 };
263 
264 #endif
265