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ffcc99e9 IY |
1 | /****************************************************************************** |
2 | * arch-ia64/hypervisor-if.h | |
3 | * | |
4 | * Guest OS interface to IA64 Xen. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to | |
8 | * deal in the Software without restriction, including without limitation the | |
9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | |
10 | * sell copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
22 | * DEALINGS IN THE SOFTWARE. | |
23 | * | |
24 | * Copyright by those who contributed. (in alphabetical order) | |
25 | * | |
26 | * Anthony Xu <anthony.xu@intel.com> | |
27 | * Eddie Dong <eddie.dong@intel.com> | |
28 | * Fred Yang <fred.yang@intel.com> | |
29 | * Kevin Tian <kevin.tian@intel.com> | |
30 | * Alex Williamson <alex.williamson@hp.com> | |
31 | * Chris Wright <chrisw@sous-sol.org> | |
32 | * Christian Limpach <Christian.Limpach@cl.cam.ac.uk> | |
33 | * Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com> | |
34 | * Hollis Blanchard <hollisb@us.ibm.com> | |
35 | * Isaku Yamahata <yamahata@valinux.co.jp> | |
36 | * Jan Beulich <jbeulich@novell.com> | |
37 | * John Levon <john.levon@sun.com> | |
38 | * Kazuhiro Suzuki <kaz@jp.fujitsu.com> | |
39 | * Keir Fraser <keir.fraser@citrix.com> | |
40 | * Kouya Shimura <kouya@jp.fujitsu.com> | |
41 | * Masaki Kanno <kanno.masaki@jp.fujitsu.com> | |
42 | * Matt Chapman <matthewc@hp.com> | |
43 | * Matthew Chapman <matthewc@hp.com> | |
44 | * Samuel Thibault <samuel.thibault@eu.citrix.com> | |
45 | * Tomonari Horikoshi <t.horikoshi@jp.fujitsu.com> | |
46 | * Tristan Gingold <tgingold@free.fr> | |
47 | * Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com> | |
48 | * Yutaka Ezaki <yutaka.ezaki@jp.fujitsu.com> | |
49 | * Zhang Xin <xing.z.zhang@intel.com> | |
50 | * Zhang xiantao <xiantao.zhang@intel.com> | |
51 | * dan.magenheimer@hp.com | |
52 | * ian.pratt@cl.cam.ac.uk | |
53 | * michael.fetterman@cl.cam.ac.uk | |
54 | */ | |
55 | ||
56 | #ifndef _ASM_IA64_XEN_INTERFACE_H | |
57 | #define _ASM_IA64_XEN_INTERFACE_H | |
58 | ||
59 | #define __DEFINE_GUEST_HANDLE(name, type) \ | |
60 | typedef struct { type *p; } __guest_handle_ ## name | |
61 | ||
62 | #define DEFINE_GUEST_HANDLE_STRUCT(name) \ | |
63 | __DEFINE_GUEST_HANDLE(name, struct name) | |
64 | #define DEFINE_GUEST_HANDLE(name) __DEFINE_GUEST_HANDLE(name, name) | |
65 | #define GUEST_HANDLE(name) __guest_handle_ ## name | |
66 | #define GUEST_HANDLE_64(name) GUEST_HANDLE(name) | |
67 | #define set_xen_guest_handle(hnd, val) do { (hnd).p = val; } while (0) | |
68 | ||
69 | #ifndef __ASSEMBLY__ | |
bd3f79b7 SS |
70 | /* Explicitly size integers that represent pfns in the public interface |
71 | * with Xen so that we could have one ABI that works for 32 and 64 bit | |
72 | * guests. */ | |
73 | typedef unsigned long xen_pfn_t; | |
256f631f | 74 | typedef unsigned long xen_ulong_t; |
ffcc99e9 IY |
75 | /* Guest handles for primitive C types. */ |
76 | __DEFINE_GUEST_HANDLE(uchar, unsigned char); | |
77 | __DEFINE_GUEST_HANDLE(uint, unsigned int); | |
78 | __DEFINE_GUEST_HANDLE(ulong, unsigned long); | |
4313d88c | 79 | |
ffcc99e9 IY |
80 | DEFINE_GUEST_HANDLE(char); |
81 | DEFINE_GUEST_HANDLE(int); | |
82 | DEFINE_GUEST_HANDLE(long); | |
83 | DEFINE_GUEST_HANDLE(void); | |
3e099679 | 84 | DEFINE_GUEST_HANDLE(uint64_t); |
73c154c6 | 85 | DEFINE_GUEST_HANDLE(uint32_t); |
ffcc99e9 | 86 | |
ffcc99e9 IY |
87 | DEFINE_GUEST_HANDLE(xen_pfn_t); |
88 | #define PRI_xen_pfn "lx" | |
89 | #endif | |
90 | ||
91 | /* Arch specific VIRQs definition */ | |
92 | #define VIRQ_ITC VIRQ_ARCH_0 /* V. Virtual itc timer */ | |
93 | #define VIRQ_MCA_CMC VIRQ_ARCH_1 /* MCA cmc interrupt */ | |
94 | #define VIRQ_MCA_CPE VIRQ_ARCH_2 /* MCA cpe interrupt */ | |
95 | ||
96 | /* Maximum number of virtual CPUs in multi-processor guests. */ | |
97 | /* keep sizeof(struct shared_page) <= PAGE_SIZE. | |
98 | * this is checked in arch/ia64/xen/hypervisor.c. */ | |
99 | #define MAX_VIRT_CPUS 64 | |
100 | ||
101 | #ifndef __ASSEMBLY__ | |
102 | ||
103 | #define INVALID_MFN (~0UL) | |
104 | ||
105 | union vac { | |
106 | unsigned long value; | |
107 | struct { | |
108 | int a_int:1; | |
109 | int a_from_int_cr:1; | |
110 | int a_to_int_cr:1; | |
111 | int a_from_psr:1; | |
112 | int a_from_cpuid:1; | |
113 | int a_cover:1; | |
114 | int a_bsw:1; | |
115 | long reserved:57; | |
116 | }; | |
117 | }; | |
118 | ||
119 | union vdc { | |
120 | unsigned long value; | |
121 | struct { | |
122 | int d_vmsw:1; | |
123 | int d_extint:1; | |
124 | int d_ibr_dbr:1; | |
125 | int d_pmc:1; | |
126 | int d_to_pmd:1; | |
127 | int d_itm:1; | |
128 | long reserved:58; | |
129 | }; | |
130 | }; | |
131 | ||
132 | struct mapped_regs { | |
133 | union vac vac; | |
134 | union vdc vdc; | |
135 | unsigned long virt_env_vaddr; | |
136 | unsigned long reserved1[29]; | |
137 | unsigned long vhpi; | |
138 | unsigned long reserved2[95]; | |
139 | union { | |
140 | unsigned long vgr[16]; | |
141 | unsigned long bank1_regs[16]; /* bank1 regs (r16-r31) | |
142 | when bank0 active */ | |
143 | }; | |
144 | union { | |
145 | unsigned long vbgr[16]; | |
146 | unsigned long bank0_regs[16]; /* bank0 regs (r16-r31) | |
147 | when bank1 active */ | |
148 | }; | |
149 | unsigned long vnat; | |
150 | unsigned long vbnat; | |
151 | unsigned long vcpuid[5]; | |
152 | unsigned long reserved3[11]; | |
153 | unsigned long vpsr; | |
154 | unsigned long vpr; | |
155 | unsigned long reserved4[76]; | |
156 | union { | |
157 | unsigned long vcr[128]; | |
158 | struct { | |
159 | unsigned long dcr; /* CR0 */ | |
160 | unsigned long itm; | |
161 | unsigned long iva; | |
162 | unsigned long rsv1[5]; | |
163 | unsigned long pta; /* CR8 */ | |
164 | unsigned long rsv2[7]; | |
165 | unsigned long ipsr; /* CR16 */ | |
166 | unsigned long isr; | |
167 | unsigned long rsv3; | |
168 | unsigned long iip; | |
169 | unsigned long ifa; | |
170 | unsigned long itir; | |
171 | unsigned long iipa; | |
172 | unsigned long ifs; | |
173 | unsigned long iim; /* CR24 */ | |
174 | unsigned long iha; | |
175 | unsigned long rsv4[38]; | |
176 | unsigned long lid; /* CR64 */ | |
177 | unsigned long ivr; | |
178 | unsigned long tpr; | |
179 | unsigned long eoi; | |
180 | unsigned long irr[4]; | |
181 | unsigned long itv; /* CR72 */ | |
182 | unsigned long pmv; | |
183 | unsigned long cmcv; | |
184 | unsigned long rsv5[5]; | |
185 | unsigned long lrr0; /* CR80 */ | |
186 | unsigned long lrr1; | |
187 | unsigned long rsv6[46]; | |
188 | }; | |
189 | }; | |
190 | union { | |
191 | unsigned long reserved5[128]; | |
192 | struct { | |
193 | unsigned long precover_ifs; | |
194 | unsigned long unat; /* not sure if this is needed | |
195 | until NaT arch is done */ | |
196 | int interrupt_collection_enabled; /* virtual psr.ic */ | |
197 | ||
198 | /* virtual interrupt deliverable flag is | |
199 | * evtchn_upcall_mask in shared info area now. | |
200 | * interrupt_mask_addr is the address | |
201 | * of evtchn_upcall_mask for current vcpu | |
202 | */ | |
203 | unsigned char *interrupt_mask_addr; | |
204 | int pending_interruption; | |
205 | unsigned char vpsr_pp; | |
206 | unsigned char vpsr_dfh; | |
207 | unsigned char hpsr_dfh; | |
208 | unsigned char hpsr_mfh; | |
209 | unsigned long reserved5_1[4]; | |
210 | int metaphysical_mode; /* 1 = use metaphys mapping | |
211 | 0 = use virtual */ | |
212 | int banknum; /* 0 or 1, which virtual | |
213 | register bank is active */ | |
214 | unsigned long rrs[8]; /* region registers */ | |
215 | unsigned long krs[8]; /* kernel registers */ | |
216 | unsigned long tmp[16]; /* temp registers | |
217 | (e.g. for hyperprivops) */ | |
496203b1 IY |
218 | |
219 | /* itc paravirtualization | |
220 | * vAR.ITC = mAR.ITC + itc_offset | |
221 | * itc_last is one which was lastly passed to | |
222 | * the guest OS in order to prevent it from | |
223 | * going backwords. | |
224 | */ | |
225 | unsigned long itc_offset; | |
226 | unsigned long itc_last; | |
ffcc99e9 IY |
227 | }; |
228 | }; | |
229 | }; | |
230 | ||
231 | struct arch_vcpu_info { | |
232 | /* nothing */ | |
233 | }; | |
234 | ||
235 | /* | |
236 | * This structure is used for magic page in domain pseudo physical address | |
237 | * space and the result of XENMEM_machine_memory_map. | |
238 | * As the XENMEM_machine_memory_map result, | |
239 | * xen_memory_map::nr_entries indicates the size in bytes | |
240 | * including struct xen_ia64_memmap_info. Not the number of entries. | |
241 | */ | |
242 | struct xen_ia64_memmap_info { | |
243 | uint64_t efi_memmap_size; /* size of EFI memory map */ | |
244 | uint64_t efi_memdesc_size; /* size of an EFI memory map | |
245 | * descriptor */ | |
246 | uint32_t efi_memdesc_version; /* memory descriptor version */ | |
247 | void *memdesc[0]; /* array of efi_memory_desc_t */ | |
248 | }; | |
249 | ||
250 | struct arch_shared_info { | |
251 | /* PFN of the start_info page. */ | |
252 | unsigned long start_info_pfn; | |
253 | ||
254 | /* Interrupt vector for event channel. */ | |
255 | int evtchn_vector; | |
256 | ||
257 | /* PFN of memmap_info page */ | |
258 | unsigned int memmap_info_num_pages; /* currently only = 1 case is | |
259 | supported. */ | |
260 | unsigned long memmap_info_pfn; | |
261 | ||
262 | uint64_t pad[31]; | |
263 | }; | |
264 | ||
265 | struct xen_callback { | |
266 | unsigned long ip; | |
267 | }; | |
268 | typedef struct xen_callback xen_callback_t; | |
269 | ||
270 | #endif /* !__ASSEMBLY__ */ | |
271 | ||
4d9310e3 SS |
272 | #include <asm/pvclock-abi.h> |
273 | ||
ffcc99e9 IY |
274 | /* Size of the shared_info area (this is not related to page size). */ |
275 | #define XSI_SHIFT 14 | |
276 | #define XSI_SIZE (1 << XSI_SHIFT) | |
277 | /* Log size of mapped_regs area (64 KB - only 4KB is used). */ | |
278 | #define XMAPPEDREGS_SHIFT 12 | |
279 | #define XMAPPEDREGS_SIZE (1 << XMAPPEDREGS_SHIFT) | |
280 | /* Offset of XASI (Xen arch shared info) wrt XSI_BASE. */ | |
281 | #define XMAPPEDREGS_OFS XSI_SIZE | |
282 | ||
283 | /* Hyperprivops. */ | |
284 | #define HYPERPRIVOP_START 0x1 | |
285 | #define HYPERPRIVOP_RFI (HYPERPRIVOP_START + 0x0) | |
286 | #define HYPERPRIVOP_RSM_DT (HYPERPRIVOP_START + 0x1) | |
287 | #define HYPERPRIVOP_SSM_DT (HYPERPRIVOP_START + 0x2) | |
288 | #define HYPERPRIVOP_COVER (HYPERPRIVOP_START + 0x3) | |
289 | #define HYPERPRIVOP_ITC_D (HYPERPRIVOP_START + 0x4) | |
290 | #define HYPERPRIVOP_ITC_I (HYPERPRIVOP_START + 0x5) | |
291 | #define HYPERPRIVOP_SSM_I (HYPERPRIVOP_START + 0x6) | |
292 | #define HYPERPRIVOP_GET_IVR (HYPERPRIVOP_START + 0x7) | |
293 | #define HYPERPRIVOP_GET_TPR (HYPERPRIVOP_START + 0x8) | |
294 | #define HYPERPRIVOP_SET_TPR (HYPERPRIVOP_START + 0x9) | |
295 | #define HYPERPRIVOP_EOI (HYPERPRIVOP_START + 0xa) | |
296 | #define HYPERPRIVOP_SET_ITM (HYPERPRIVOP_START + 0xb) | |
297 | #define HYPERPRIVOP_THASH (HYPERPRIVOP_START + 0xc) | |
298 | #define HYPERPRIVOP_PTC_GA (HYPERPRIVOP_START + 0xd) | |
299 | #define HYPERPRIVOP_ITR_D (HYPERPRIVOP_START + 0xe) | |
300 | #define HYPERPRIVOP_GET_RR (HYPERPRIVOP_START + 0xf) | |
301 | #define HYPERPRIVOP_SET_RR (HYPERPRIVOP_START + 0x10) | |
302 | #define HYPERPRIVOP_SET_KR (HYPERPRIVOP_START + 0x11) | |
303 | #define HYPERPRIVOP_FC (HYPERPRIVOP_START + 0x12) | |
304 | #define HYPERPRIVOP_GET_CPUID (HYPERPRIVOP_START + 0x13) | |
305 | #define HYPERPRIVOP_GET_PMD (HYPERPRIVOP_START + 0x14) | |
306 | #define HYPERPRIVOP_GET_EFLAG (HYPERPRIVOP_START + 0x15) | |
307 | #define HYPERPRIVOP_SET_EFLAG (HYPERPRIVOP_START + 0x16) | |
308 | #define HYPERPRIVOP_RSM_BE (HYPERPRIVOP_START + 0x17) | |
309 | #define HYPERPRIVOP_GET_PSR (HYPERPRIVOP_START + 0x18) | |
310 | #define HYPERPRIVOP_SET_RR0_TO_RR4 (HYPERPRIVOP_START + 0x19) | |
311 | #define HYPERPRIVOP_MAX (0x1a) | |
312 | ||
313 | /* Fast and light hypercalls. */ | |
314 | #define __HYPERVISOR_ia64_fast_eoi __HYPERVISOR_arch_1 | |
315 | ||
316 | /* Xencomm macros. */ | |
317 | #define XENCOMM_INLINE_MASK 0xf800000000000000UL | |
318 | #define XENCOMM_INLINE_FLAG 0x8000000000000000UL | |
319 | ||
320 | #ifndef __ASSEMBLY__ | |
321 | ||
322 | /* | |
323 | * Optimization features. | |
324 | * The hypervisor may do some special optimizations for guests. This hypercall | |
325 | * can be used to switch on/of these special optimizations. | |
326 | */ | |
327 | #define __HYPERVISOR_opt_feature 0x700UL | |
328 | ||
329 | #define XEN_IA64_OPTF_OFF 0x0 | |
330 | #define XEN_IA64_OPTF_ON 0x1 | |
331 | ||
332 | /* | |
333 | * If this feature is switched on, the hypervisor inserts the | |
334 | * tlb entries without calling the guests traphandler. | |
335 | * This is useful in guests using region 7 for identity mapping | |
336 | * like the linux kernel does. | |
337 | */ | |
338 | #define XEN_IA64_OPTF_IDENT_MAP_REG7 1 | |
339 | ||
340 | /* Identity mapping of region 4 addresses in HVM. */ | |
341 | #define XEN_IA64_OPTF_IDENT_MAP_REG4 2 | |
342 | ||
343 | /* Identity mapping of region 5 addresses in HVM. */ | |
344 | #define XEN_IA64_OPTF_IDENT_MAP_REG5 3 | |
345 | ||
346 | #define XEN_IA64_OPTF_IDENT_MAP_NOT_SET (0) | |
347 | ||
348 | struct xen_ia64_opt_feature { | |
349 | unsigned long cmd; /* Which feature */ | |
350 | unsigned char on; /* Switch feature on/off */ | |
351 | union { | |
352 | struct { | |
353 | /* The page protection bit mask of the pte. | |
354 | * This will be or'ed with the pte. */ | |
355 | unsigned long pgprot; | |
356 | unsigned long key; /* A protection key for itir.*/ | |
357 | }; | |
358 | }; | |
359 | }; | |
360 | ||
361 | #endif /* __ASSEMBLY__ */ | |
362 | ||
363 | #endif /* _ASM_IA64_XEN_INTERFACE_H */ |