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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
0254f074 AG |
2 | /* |
3 | * Copyright (C) 2011. Freescale Inc. All rights reserved. | |
4 | * | |
5 | * Authors: | |
6 | * Alexander Graf <agraf@suse.de> | |
7 | * Paul Mackerras <paulus@samba.org> | |
8 | * | |
9 | * Description: | |
10 | * | |
11 | * Hypercall handling for running PAPR guests in PR KVM on Book 3S | |
12 | * processors. | |
0254f074 AG |
13 | */ |
14 | ||
f31e65e1 BH |
15 | #include <linux/anon_inodes.h> |
16 | ||
7c0f6ba6 | 17 | #include <linux/uaccess.h> |
0254f074 AG |
18 | #include <asm/kvm_ppc.h> |
19 | #include <asm/kvm_book3s.h> | |
20 | ||
5cd92a95 PM |
21 | #define HPTE_SIZE 16 /* bytes per HPT entry */ |
22 | ||
0254f074 AG |
23 | static unsigned long get_pteg_addr(struct kvm_vcpu *vcpu, long pte_index) |
24 | { | |
25 | struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); | |
26 | unsigned long pteg_addr; | |
27 | ||
28 | pte_index <<= 4; | |
29 | pte_index &= ((1 << ((vcpu_book3s->sdr1 & 0x1f) + 11)) - 1) << 7 | 0x70; | |
30 | pteg_addr = vcpu_book3s->sdr1 & 0xfffffffffffc0000ULL; | |
31 | pteg_addr |= pte_index; | |
32 | ||
33 | return pteg_addr; | |
34 | } | |
35 | ||
36 | static int kvmppc_h_pr_enter(struct kvm_vcpu *vcpu) | |
37 | { | |
38 | long flags = kvmppc_get_gpr(vcpu, 4); | |
39 | long pte_index = kvmppc_get_gpr(vcpu, 5); | |
f396df35 AG |
40 | __be64 pteg[2 * 8]; |
41 | __be64 *hpte; | |
42 | unsigned long pteg_addr, i; | |
5cd92a95 | 43 | long int ret; |
0254f074 | 44 | |
5cd92a95 | 45 | i = pte_index & 7; |
0254f074 AG |
46 | pte_index &= ~7UL; |
47 | pteg_addr = get_pteg_addr(vcpu, pte_index); | |
48 | ||
9308ab8e | 49 | mutex_lock(&vcpu->kvm->arch.hpt_mutex); |
67325e98 PM |
50 | ret = H_FUNCTION; |
51 | if (copy_from_user(pteg, (void __user *)pteg_addr, sizeof(pteg))) | |
52 | goto done; | |
0254f074 AG |
53 | hpte = pteg; |
54 | ||
5cd92a95 | 55 | ret = H_PTEG_FULL; |
0254f074 | 56 | if (likely((flags & H_EXACT) == 0)) { |
0254f074 AG |
57 | for (i = 0; ; ++i) { |
58 | if (i == 8) | |
5cd92a95 | 59 | goto done; |
1692aa3f | 60 | if ((be64_to_cpu(*hpte) & HPTE_V_VALID) == 0) |
0254f074 AG |
61 | break; |
62 | hpte += 2; | |
63 | } | |
64 | } else { | |
0254f074 | 65 | hpte += i * 2; |
5cd92a95 PM |
66 | if (*hpte & HPTE_V_VALID) |
67 | goto done; | |
0254f074 AG |
68 | } |
69 | ||
1692aa3f AG |
70 | hpte[0] = cpu_to_be64(kvmppc_get_gpr(vcpu, 6)); |
71 | hpte[1] = cpu_to_be64(kvmppc_get_gpr(vcpu, 7)); | |
5cd92a95 | 72 | pteg_addr += i * HPTE_SIZE; |
67325e98 PM |
73 | ret = H_FUNCTION; |
74 | if (copy_to_user((void __user *)pteg_addr, hpte, HPTE_SIZE)) | |
75 | goto done; | |
0254f074 | 76 | kvmppc_set_gpr(vcpu, 4, pte_index | i); |
5cd92a95 PM |
77 | ret = H_SUCCESS; |
78 | ||
79 | done: | |
9308ab8e | 80 | mutex_unlock(&vcpu->kvm->arch.hpt_mutex); |
5cd92a95 | 81 | kvmppc_set_gpr(vcpu, 3, ret); |
0254f074 AG |
82 | |
83 | return EMULATE_DONE; | |
84 | } | |
85 | ||
86 | static int kvmppc_h_pr_remove(struct kvm_vcpu *vcpu) | |
87 | { | |
88 | unsigned long flags= kvmppc_get_gpr(vcpu, 4); | |
89 | unsigned long pte_index = kvmppc_get_gpr(vcpu, 5); | |
90 | unsigned long avpn = kvmppc_get_gpr(vcpu, 6); | |
91 | unsigned long v = 0, pteg, rb; | |
92 | unsigned long pte[2]; | |
9308ab8e | 93 | long int ret; |
0254f074 AG |
94 | |
95 | pteg = get_pteg_addr(vcpu, pte_index); | |
9308ab8e | 96 | mutex_lock(&vcpu->kvm->arch.hpt_mutex); |
67325e98 PM |
97 | ret = H_FUNCTION; |
98 | if (copy_from_user(pte, (void __user *)pteg, sizeof(pte))) | |
99 | goto done; | |
f396df35 AG |
100 | pte[0] = be64_to_cpu((__force __be64)pte[0]); |
101 | pte[1] = be64_to_cpu((__force __be64)pte[1]); | |
0254f074 | 102 | |
9308ab8e | 103 | ret = H_NOT_FOUND; |
0254f074 AG |
104 | if ((pte[0] & HPTE_V_VALID) == 0 || |
105 | ((flags & H_AVPN) && (pte[0] & ~0x7fUL) != avpn) || | |
9308ab8e PM |
106 | ((flags & H_ANDCOND) && (pte[0] & avpn) != 0)) |
107 | goto done; | |
0254f074 | 108 | |
67325e98 PM |
109 | ret = H_FUNCTION; |
110 | if (copy_to_user((void __user *)pteg, &v, sizeof(v))) | |
111 | goto done; | |
0254f074 AG |
112 | |
113 | rb = compute_tlbie_rb(pte[0], pte[1], pte_index); | |
114 | vcpu->arch.mmu.tlbie(vcpu, rb, rb & 1 ? true : false); | |
115 | ||
9308ab8e | 116 | ret = H_SUCCESS; |
0254f074 AG |
117 | kvmppc_set_gpr(vcpu, 4, pte[0]); |
118 | kvmppc_set_gpr(vcpu, 5, pte[1]); | |
119 | ||
9308ab8e PM |
120 | done: |
121 | mutex_unlock(&vcpu->kvm->arch.hpt_mutex); | |
122 | kvmppc_set_gpr(vcpu, 3, ret); | |
123 | ||
0254f074 AG |
124 | return EMULATE_DONE; |
125 | } | |
126 | ||
3aaefef2 ME |
127 | /* Request defs for kvmppc_h_pr_bulk_remove() */ |
128 | #define H_BULK_REMOVE_TYPE 0xc000000000000000ULL | |
129 | #define H_BULK_REMOVE_REQUEST 0x4000000000000000ULL | |
130 | #define H_BULK_REMOVE_RESPONSE 0x8000000000000000ULL | |
131 | #define H_BULK_REMOVE_END 0xc000000000000000ULL | |
132 | #define H_BULK_REMOVE_CODE 0x3000000000000000ULL | |
133 | #define H_BULK_REMOVE_SUCCESS 0x0000000000000000ULL | |
134 | #define H_BULK_REMOVE_NOT_FOUND 0x1000000000000000ULL | |
135 | #define H_BULK_REMOVE_PARM 0x2000000000000000ULL | |
136 | #define H_BULK_REMOVE_HW 0x3000000000000000ULL | |
137 | #define H_BULK_REMOVE_RC 0x0c00000000000000ULL | |
138 | #define H_BULK_REMOVE_FLAGS 0x0300000000000000ULL | |
139 | #define H_BULK_REMOVE_ABSOLUTE 0x0000000000000000ULL | |
140 | #define H_BULK_REMOVE_ANDCOND 0x0100000000000000ULL | |
141 | #define H_BULK_REMOVE_AVPN 0x0200000000000000ULL | |
142 | #define H_BULK_REMOVE_PTEX 0x00ffffffffffffffULL | |
143 | #define H_BULK_REMOVE_MAX_BATCH 4 | |
144 | ||
145 | static int kvmppc_h_pr_bulk_remove(struct kvm_vcpu *vcpu) | |
146 | { | |
147 | int i; | |
148 | int paramnr = 4; | |
149 | int ret = H_SUCCESS; | |
150 | ||
9308ab8e | 151 | mutex_lock(&vcpu->kvm->arch.hpt_mutex); |
3aaefef2 ME |
152 | for (i = 0; i < H_BULK_REMOVE_MAX_BATCH; i++) { |
153 | unsigned long tsh = kvmppc_get_gpr(vcpu, paramnr+(2*i)); | |
154 | unsigned long tsl = kvmppc_get_gpr(vcpu, paramnr+(2*i)+1); | |
155 | unsigned long pteg, rb, flags; | |
156 | unsigned long pte[2]; | |
157 | unsigned long v = 0; | |
158 | ||
159 | if ((tsh & H_BULK_REMOVE_TYPE) == H_BULK_REMOVE_END) { | |
160 | break; /* Exit success */ | |
161 | } else if ((tsh & H_BULK_REMOVE_TYPE) != | |
162 | H_BULK_REMOVE_REQUEST) { | |
163 | ret = H_PARAMETER; | |
164 | break; /* Exit fail */ | |
165 | } | |
166 | ||
167 | tsh &= H_BULK_REMOVE_PTEX | H_BULK_REMOVE_FLAGS; | |
168 | tsh |= H_BULK_REMOVE_RESPONSE; | |
169 | ||
170 | if ((tsh & H_BULK_REMOVE_ANDCOND) && | |
171 | (tsh & H_BULK_REMOVE_AVPN)) { | |
172 | tsh |= H_BULK_REMOVE_PARM; | |
173 | kvmppc_set_gpr(vcpu, paramnr+(2*i), tsh); | |
174 | ret = H_PARAMETER; | |
175 | break; /* Exit fail */ | |
176 | } | |
177 | ||
178 | pteg = get_pteg_addr(vcpu, tsh & H_BULK_REMOVE_PTEX); | |
67325e98 PM |
179 | if (copy_from_user(pte, (void __user *)pteg, sizeof(pte))) { |
180 | ret = H_FUNCTION; | |
181 | break; | |
182 | } | |
f396df35 AG |
183 | pte[0] = be64_to_cpu((__force __be64)pte[0]); |
184 | pte[1] = be64_to_cpu((__force __be64)pte[1]); | |
3aaefef2 ME |
185 | |
186 | /* tsl = AVPN */ | |
187 | flags = (tsh & H_BULK_REMOVE_FLAGS) >> 26; | |
188 | ||
189 | if ((pte[0] & HPTE_V_VALID) == 0 || | |
190 | ((flags & H_AVPN) && (pte[0] & ~0x7fUL) != tsl) || | |
191 | ((flags & H_ANDCOND) && (pte[0] & tsl) != 0)) { | |
192 | tsh |= H_BULK_REMOVE_NOT_FOUND; | |
193 | } else { | |
194 | /* Splat the pteg in (userland) hpt */ | |
67325e98 PM |
195 | if (copy_to_user((void __user *)pteg, &v, sizeof(v))) { |
196 | ret = H_FUNCTION; | |
197 | break; | |
198 | } | |
3aaefef2 ME |
199 | |
200 | rb = compute_tlbie_rb(pte[0], pte[1], | |
201 | tsh & H_BULK_REMOVE_PTEX); | |
202 | vcpu->arch.mmu.tlbie(vcpu, rb, rb & 1 ? true : false); | |
203 | tsh |= H_BULK_REMOVE_SUCCESS; | |
204 | tsh |= (pte[1] & (HPTE_R_C | HPTE_R_R)) << 43; | |
205 | } | |
206 | kvmppc_set_gpr(vcpu, paramnr+(2*i), tsh); | |
207 | } | |
9308ab8e | 208 | mutex_unlock(&vcpu->kvm->arch.hpt_mutex); |
3aaefef2 ME |
209 | kvmppc_set_gpr(vcpu, 3, ret); |
210 | ||
211 | return EMULATE_DONE; | |
212 | } | |
213 | ||
0254f074 AG |
214 | static int kvmppc_h_pr_protect(struct kvm_vcpu *vcpu) |
215 | { | |
216 | unsigned long flags = kvmppc_get_gpr(vcpu, 4); | |
217 | unsigned long pte_index = kvmppc_get_gpr(vcpu, 5); | |
218 | unsigned long avpn = kvmppc_get_gpr(vcpu, 6); | |
219 | unsigned long rb, pteg, r, v; | |
220 | unsigned long pte[2]; | |
9308ab8e | 221 | long int ret; |
0254f074 AG |
222 | |
223 | pteg = get_pteg_addr(vcpu, pte_index); | |
9308ab8e | 224 | mutex_lock(&vcpu->kvm->arch.hpt_mutex); |
67325e98 PM |
225 | ret = H_FUNCTION; |
226 | if (copy_from_user(pte, (void __user *)pteg, sizeof(pte))) | |
227 | goto done; | |
f396df35 AG |
228 | pte[0] = be64_to_cpu((__force __be64)pte[0]); |
229 | pte[1] = be64_to_cpu((__force __be64)pte[1]); | |
0254f074 | 230 | |
9308ab8e | 231 | ret = H_NOT_FOUND; |
0254f074 | 232 | if ((pte[0] & HPTE_V_VALID) == 0 || |
9308ab8e PM |
233 | ((flags & H_AVPN) && (pte[0] & ~0x7fUL) != avpn)) |
234 | goto done; | |
0254f074 AG |
235 | |
236 | v = pte[0]; | |
237 | r = pte[1]; | |
238 | r &= ~(HPTE_R_PP0 | HPTE_R_PP | HPTE_R_N | HPTE_R_KEY_HI | | |
239 | HPTE_R_KEY_LO); | |
240 | r |= (flags << 55) & HPTE_R_PP0; | |
241 | r |= (flags << 48) & HPTE_R_KEY_HI; | |
242 | r |= flags & (HPTE_R_PP | HPTE_R_N | HPTE_R_KEY_LO); | |
243 | ||
244 | pte[1] = r; | |
245 | ||
246 | rb = compute_tlbie_rb(v, r, pte_index); | |
247 | vcpu->arch.mmu.tlbie(vcpu, rb, rb & 1 ? true : false); | |
f396df35 AG |
248 | pte[0] = (__force u64)cpu_to_be64(pte[0]); |
249 | pte[1] = (__force u64)cpu_to_be64(pte[1]); | |
67325e98 PM |
250 | ret = H_FUNCTION; |
251 | if (copy_to_user((void __user *)pteg, pte, sizeof(pte))) | |
252 | goto done; | |
9308ab8e | 253 | ret = H_SUCCESS; |
0254f074 | 254 | |
9308ab8e PM |
255 | done: |
256 | mutex_unlock(&vcpu->kvm->arch.hpt_mutex); | |
257 | kvmppc_set_gpr(vcpu, 3, ret); | |
0254f074 AG |
258 | |
259 | return EMULATE_DONE; | |
260 | } | |
261 | ||
76d837a4 | 262 | static int kvmppc_h_pr_logical_ci_load(struct kvm_vcpu *vcpu) |
f31e65e1 | 263 | { |
f31e65e1 BH |
264 | long rc; |
265 | ||
76d837a4 | 266 | rc = kvmppc_h_logical_ci_load(vcpu); |
f31e65e1 BH |
267 | if (rc == H_TOO_HARD) |
268 | return EMULATE_FAIL; | |
269 | kvmppc_set_gpr(vcpu, 3, rc); | |
270 | return EMULATE_DONE; | |
271 | } | |
272 | ||
76d837a4 | 273 | static int kvmppc_h_pr_logical_ci_store(struct kvm_vcpu *vcpu) |
99342cf8 DG |
274 | { |
275 | long rc; | |
276 | ||
76d837a4 | 277 | rc = kvmppc_h_logical_ci_store(vcpu); |
99342cf8 DG |
278 | if (rc == H_TOO_HARD) |
279 | return EMULATE_FAIL; | |
280 | kvmppc_set_gpr(vcpu, 3, rc); | |
281 | return EMULATE_DONE; | |
282 | } | |
283 | ||
839d893b NP |
284 | static int kvmppc_h_pr_set_mode(struct kvm_vcpu *vcpu) |
285 | { | |
286 | unsigned long mflags = kvmppc_get_gpr(vcpu, 4); | |
287 | unsigned long resource = kvmppc_get_gpr(vcpu, 5); | |
288 | ||
289 | if (resource == H_SET_MODE_RESOURCE_ADDR_TRANS_MODE) { | |
290 | /* KVM PR does not provide AIL!=0 to guests */ | |
291 | if (mflags == 0) | |
292 | kvmppc_set_gpr(vcpu, 3, H_SUCCESS); | |
293 | else | |
294 | kvmppc_set_gpr(vcpu, 3, H_UNSUPPORTED_FLAG_START - 63); | |
295 | return EMULATE_DONE; | |
296 | } | |
297 | return EMULATE_FAIL; | |
298 | } | |
299 | ||
76d837a4 PM |
300 | #ifdef CONFIG_SPAPR_TCE_IOMMU |
301 | static int kvmppc_h_pr_put_tce(struct kvm_vcpu *vcpu) | |
99342cf8 | 302 | { |
76d837a4 PM |
303 | unsigned long liobn = kvmppc_get_gpr(vcpu, 4); |
304 | unsigned long ioba = kvmppc_get_gpr(vcpu, 5); | |
305 | unsigned long tce = kvmppc_get_gpr(vcpu, 6); | |
99342cf8 DG |
306 | long rc; |
307 | ||
76d837a4 | 308 | rc = kvmppc_h_put_tce(vcpu, liobn, ioba, tce); |
99342cf8 DG |
309 | if (rc == H_TOO_HARD) |
310 | return EMULATE_FAIL; | |
311 | kvmppc_set_gpr(vcpu, 3, rc); | |
312 | return EMULATE_DONE; | |
313 | } | |
314 | ||
d3695aa4 AK |
315 | static int kvmppc_h_pr_put_tce_indirect(struct kvm_vcpu *vcpu) |
316 | { | |
317 | unsigned long liobn = kvmppc_get_gpr(vcpu, 4); | |
318 | unsigned long ioba = kvmppc_get_gpr(vcpu, 5); | |
319 | unsigned long tce = kvmppc_get_gpr(vcpu, 6); | |
320 | unsigned long npages = kvmppc_get_gpr(vcpu, 7); | |
321 | long rc; | |
322 | ||
323 | rc = kvmppc_h_put_tce_indirect(vcpu, liobn, ioba, | |
324 | tce, npages); | |
325 | if (rc == H_TOO_HARD) | |
326 | return EMULATE_FAIL; | |
327 | kvmppc_set_gpr(vcpu, 3, rc); | |
328 | return EMULATE_DONE; | |
329 | } | |
330 | ||
331 | static int kvmppc_h_pr_stuff_tce(struct kvm_vcpu *vcpu) | |
332 | { | |
333 | unsigned long liobn = kvmppc_get_gpr(vcpu, 4); | |
334 | unsigned long ioba = kvmppc_get_gpr(vcpu, 5); | |
335 | unsigned long tce_value = kvmppc_get_gpr(vcpu, 6); | |
336 | unsigned long npages = kvmppc_get_gpr(vcpu, 7); | |
337 | long rc; | |
338 | ||
339 | rc = kvmppc_h_stuff_tce(vcpu, liobn, ioba, tce_value, npages); | |
340 | if (rc == H_TOO_HARD) | |
341 | return EMULATE_FAIL; | |
342 | kvmppc_set_gpr(vcpu, 3, rc); | |
343 | return EMULATE_DONE; | |
344 | } | |
345 | ||
76d837a4 PM |
346 | #else /* CONFIG_SPAPR_TCE_IOMMU */ |
347 | static int kvmppc_h_pr_put_tce(struct kvm_vcpu *vcpu) | |
348 | { | |
349 | return EMULATE_FAIL; | |
350 | } | |
351 | ||
352 | static int kvmppc_h_pr_put_tce_indirect(struct kvm_vcpu *vcpu) | |
353 | { | |
354 | return EMULATE_FAIL; | |
355 | } | |
356 | ||
357 | static int kvmppc_h_pr_stuff_tce(struct kvm_vcpu *vcpu) | |
358 | { | |
359 | return EMULATE_FAIL; | |
360 | } | |
361 | #endif /* CONFIG_SPAPR_TCE_IOMMU */ | |
362 | ||
bc5ad3f3 BH |
363 | static int kvmppc_h_pr_xics_hcall(struct kvm_vcpu *vcpu, u32 cmd) |
364 | { | |
365 | long rc = kvmppc_xics_hcall(vcpu, cmd); | |
366 | kvmppc_set_gpr(vcpu, 3, rc); | |
367 | return EMULATE_DONE; | |
368 | } | |
369 | ||
0254f074 AG |
370 | int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd) |
371 | { | |
ef1af2e2 PM |
372 | int rc, idx; |
373 | ||
699a0ea0 PM |
374 | if (cmd <= MAX_HCALL_OPCODE && |
375 | !test_bit(cmd/4, vcpu->kvm->arch.enabled_hcalls)) | |
376 | return EMULATE_FAIL; | |
377 | ||
0254f074 AG |
378 | switch (cmd) { |
379 | case H_ENTER: | |
380 | return kvmppc_h_pr_enter(vcpu); | |
381 | case H_REMOVE: | |
382 | return kvmppc_h_pr_remove(vcpu); | |
383 | case H_PROTECT: | |
384 | return kvmppc_h_pr_protect(vcpu); | |
385 | case H_BULK_REMOVE: | |
3aaefef2 | 386 | return kvmppc_h_pr_bulk_remove(vcpu); |
f31e65e1 BH |
387 | case H_PUT_TCE: |
388 | return kvmppc_h_pr_put_tce(vcpu); | |
d3695aa4 AK |
389 | case H_PUT_TCE_INDIRECT: |
390 | return kvmppc_h_pr_put_tce_indirect(vcpu); | |
391 | case H_STUFF_TCE: | |
392 | return kvmppc_h_pr_stuff_tce(vcpu); | |
0254f074 | 393 | case H_CEDE: |
5deb8e7a | 394 | kvmppc_set_msr_fast(vcpu, kvmppc_get_msr(vcpu) | MSR_EE); |
91b99ea7 | 395 | kvm_vcpu_halt(vcpu); |
72875d8a | 396 | kvm_clear_request(KVM_REQ_UNHALT, vcpu); |
0193cc90 | 397 | vcpu->stat.generic.halt_wakeup++; |
0254f074 | 398 | return EMULATE_DONE; |
99342cf8 DG |
399 | case H_LOGICAL_CI_LOAD: |
400 | return kvmppc_h_pr_logical_ci_load(vcpu); | |
401 | case H_LOGICAL_CI_STORE: | |
402 | return kvmppc_h_pr_logical_ci_store(vcpu); | |
839d893b NP |
403 | case H_SET_MODE: |
404 | return kvmppc_h_pr_set_mode(vcpu); | |
bc5ad3f3 BH |
405 | case H_XIRR: |
406 | case H_CPPR: | |
407 | case H_EOI: | |
408 | case H_IPI: | |
8e44ddc3 PM |
409 | case H_IPOLL: |
410 | case H_XIRR_X: | |
bc5ad3f3 BH |
411 | if (kvmppc_xics_enabled(vcpu)) |
412 | return kvmppc_h_pr_xics_hcall(vcpu, cmd); | |
413 | break; | |
8e591cb7 ME |
414 | case H_RTAS: |
415 | if (list_empty(&vcpu->kvm->arch.rtas_tokens)) | |
ef1af2e2 PM |
416 | break; |
417 | idx = srcu_read_lock(&vcpu->kvm->srcu); | |
418 | rc = kvmppc_rtas_hcall(vcpu); | |
419 | srcu_read_unlock(&vcpu->kvm->srcu, idx); | |
420 | if (rc) | |
8e591cb7 ME |
421 | break; |
422 | kvmppc_set_gpr(vcpu, 3, 0); | |
423 | return EMULATE_DONE; | |
0254f074 AG |
424 | } |
425 | ||
426 | return EMULATE_FAIL; | |
427 | } | |
699a0ea0 | 428 | |
ae2113a4 PM |
429 | int kvmppc_hcall_impl_pr(unsigned long cmd) |
430 | { | |
431 | switch (cmd) { | |
432 | case H_ENTER: | |
433 | case H_REMOVE: | |
434 | case H_PROTECT: | |
435 | case H_BULK_REMOVE: | |
436 | case H_PUT_TCE: | |
3f2bb764 AK |
437 | case H_PUT_TCE_INDIRECT: |
438 | case H_STUFF_TCE: | |
ae2113a4 | 439 | case H_CEDE: |
99342cf8 DG |
440 | case H_LOGICAL_CI_LOAD: |
441 | case H_LOGICAL_CI_STORE: | |
839d893b | 442 | case H_SET_MODE: |
ae2113a4 PM |
443 | #ifdef CONFIG_KVM_XICS |
444 | case H_XIRR: | |
445 | case H_CPPR: | |
446 | case H_EOI: | |
447 | case H_IPI: | |
448 | case H_IPOLL: | |
449 | case H_XIRR_X: | |
450 | #endif | |
451 | return 1; | |
452 | } | |
453 | return 0; | |
454 | } | |
699a0ea0 PM |
455 | |
456 | /* | |
457 | * List of hcall numbers to enable by default. | |
458 | * For compatibility with old userspace, we enable by default | |
459 | * all hcalls that were implemented before the hcall-enabling | |
460 | * facility was added. Note this list should not include H_RTAS. | |
461 | */ | |
462 | static unsigned int default_hcall_list[] = { | |
463 | H_ENTER, | |
464 | H_REMOVE, | |
465 | H_PROTECT, | |
466 | H_BULK_REMOVE, | |
467 | H_PUT_TCE, | |
468 | H_CEDE, | |
839d893b | 469 | H_SET_MODE, |
699a0ea0 PM |
470 | #ifdef CONFIG_KVM_XICS |
471 | H_XIRR, | |
472 | H_CPPR, | |
473 | H_EOI, | |
474 | H_IPI, | |
475 | H_IPOLL, | |
476 | H_XIRR_X, | |
477 | #endif | |
478 | 0 | |
479 | }; | |
480 | ||
481 | void kvmppc_pr_init_default_hcalls(struct kvm *kvm) | |
482 | { | |
483 | int i; | |
ae2113a4 | 484 | unsigned int hcall; |
699a0ea0 | 485 | |
ae2113a4 PM |
486 | for (i = 0; default_hcall_list[i]; ++i) { |
487 | hcall = default_hcall_list[i]; | |
488 | WARN_ON(!kvmppc_hcall_impl_pr(hcall)); | |
489 | __set_bit(hcall / 4, kvm->arch.enabled_hcalls); | |
490 | } | |
699a0ea0 | 491 | } |