1 /*
2  * This program is used to generate definitions needed by
3  * assembly language modules.
4  *
5  * We use the technique used in the OSF Mach kernel code:
6  * generate asm statements containing #defines,
7  * compile this file to assembler, and then extract the
8  * #defines from the assembly-language output.
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License
12  * as published by the Free Software Foundation; either version
13  * 2 of the License, or (at your option) any later version.
14  */
15 
16 #include <linux/signal.h>
17 #include <linux/sched.h>
18 #include <linux/kernel.h>
19 #include <linux/errno.h>
20 #include <linux/string.h>
21 #include <linux/types.h>
22 #include <linux/mman.h>
23 #include <linux/mm.h>
24 #include <linux/suspend.h>
25 #include <linux/hrtimer.h>
26 #ifdef CONFIG_PPC64
27 #include <linux/time.h>
28 #include <linux/hardirq.h>
29 #endif
30 #include <linux/kbuild.h>
31 
32 #include <asm/io.h>
33 #include <asm/page.h>
34 #include <asm/pgtable.h>
35 #include <asm/processor.h>
36 #include <asm/cputable.h>
37 #include <asm/thread_info.h>
38 #include <asm/rtas.h>
39 #include <asm/vdso_datapage.h>
40 #ifdef CONFIG_PPC64
41 #include <asm/paca.h>
42 #include <asm/lppaca.h>
43 #include <asm/cache.h>
44 #include <asm/compat.h>
45 #include <asm/mmu.h>
46 #include <asm/hvcall.h>
47 #endif
48 #ifdef CONFIG_PPC_ISERIES
49 #include <asm/iseries/alpaca.h>
50 #endif
51 #if defined(CONFIG_KVM) || defined(CONFIG_KVM_GUEST)
52 #include <linux/kvm_host.h>
53 #endif
54 #if defined(CONFIG_KVM) && defined(CONFIG_PPC_BOOK3S)
55 #include <asm/kvm_book3s.h>
56 #endif
57 
58 #ifdef CONFIG_PPC32
59 #if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
60 #include "head_booke.h"
61 #endif
62 #endif
63 
64 #if defined(CONFIG_PPC_FSL_BOOK3E)
65 #include "../mm/mmu_decl.h"
66 #endif
67 
68 int main(void)
69 {
70 	DEFINE(THREAD, offsetof(struct task_struct, thread));
71 	DEFINE(MM, offsetof(struct task_struct, mm));
72 	DEFINE(MMCONTEXTID, offsetof(struct mm_struct, context.id));
73 #ifdef CONFIG_PPC64
74 	DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context));
75 	DEFINE(SIGSEGV, SIGSEGV);
76 	DEFINE(NMI_MASK, NMI_MASK);
77 #else
78 	DEFINE(THREAD_INFO, offsetof(struct task_struct, stack));
79 #endif /* CONFIG_PPC64 */
80 
81 	DEFINE(KSP, offsetof(struct thread_struct, ksp));
82 	DEFINE(KSP_LIMIT, offsetof(struct thread_struct, ksp_limit));
83 	DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
84 	DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
85 	DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
86 	DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
87 #ifdef CONFIG_ALTIVEC
88 	DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0]));
89 	DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave));
90 	DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr));
91 	DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
92 #endif /* CONFIG_ALTIVEC */
93 #ifdef CONFIG_VSX
94 	DEFINE(THREAD_VSR0, offsetof(struct thread_struct, fpr));
95 	DEFINE(THREAD_USED_VSR, offsetof(struct thread_struct, used_vsr));
96 #endif /* CONFIG_VSX */
97 #ifdef CONFIG_PPC64
98 	DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid));
99 #else /* CONFIG_PPC64 */
100 	DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
101 #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
102 	DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0));
103 #endif
104 #ifdef CONFIG_SPE
105 	DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0]));
106 	DEFINE(THREAD_ACC, offsetof(struct thread_struct, acc));
107 	DEFINE(THREAD_SPEFSCR, offsetof(struct thread_struct, spefscr));
108 	DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe));
109 #endif /* CONFIG_SPE */
110 #endif /* CONFIG_PPC64 */
111 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
112 	DEFINE(THREAD_KVM_SVCPU, offsetof(struct thread_struct, kvm_shadow_vcpu));
113 #endif
114 
115 	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
116 	DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));
117 	DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
118 	DEFINE(TI_TASK, offsetof(struct thread_info, task));
119 	DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
120 
121 #ifdef CONFIG_PPC64
122 	DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size));
123 	DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size));
124 	DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, dlines_per_page));
125 	DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size));
126 	DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
127 	DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
128 	/* paca */
129 	DEFINE(PACA_SIZE, sizeof(struct paca_struct));
130 	DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index));
131 	DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start));
132 	DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack));
133 	DEFINE(PACACURRENT, offsetof(struct paca_struct, __current));
134 	DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr));
135 	DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr));
136 	DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1));
137 	DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc));
138 	DEFINE(PACAKBASE, offsetof(struct paca_struct, kernelbase));
139 	DEFINE(PACAKMSR, offsetof(struct paca_struct, kernel_msr));
140 	DEFINE(PACASOFTIRQEN, offsetof(struct paca_struct, soft_enabled));
141 	DEFINE(PACAHARDIRQEN, offsetof(struct paca_struct, hard_enabled));
142 	DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
143 #ifdef CONFIG_PPC_MM_SLICES
144 	DEFINE(PACALOWSLICESPSIZE, offsetof(struct paca_struct,
145 					    context.low_slices_psize));
146 	DEFINE(PACAHIGHSLICEPSIZE, offsetof(struct paca_struct,
147 					    context.high_slices_psize));
148 	DEFINE(MMUPSIZEDEFSIZE, sizeof(struct mmu_psize_def));
149 #endif /* CONFIG_PPC_MM_SLICES */
150 
151 #ifdef CONFIG_PPC_BOOK3E
152 	DEFINE(PACAPGD, offsetof(struct paca_struct, pgd));
153 	DEFINE(PACA_KERNELPGD, offsetof(struct paca_struct, kernel_pgd));
154 	DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
155 	DEFINE(PACA_EXTLB, offsetof(struct paca_struct, extlb));
156 	DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
157 	DEFINE(PACA_EXCRIT, offsetof(struct paca_struct, excrit));
158 	DEFINE(PACA_EXDBG, offsetof(struct paca_struct, exdbg));
159 	DEFINE(PACA_MC_STACK, offsetof(struct paca_struct, mc_kstack));
160 	DEFINE(PACA_CRIT_STACK, offsetof(struct paca_struct, crit_kstack));
161 	DEFINE(PACA_DBG_STACK, offsetof(struct paca_struct, dbg_kstack));
162 #endif /* CONFIG_PPC_BOOK3E */
163 
164 #ifdef CONFIG_PPC_STD_MMU_64
165 	DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real));
166 	DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr));
167 	DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache));
168 	DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr));
169 	DEFINE(PACAVMALLOCSLLP, offsetof(struct paca_struct, vmalloc_sllp));
170 #ifdef CONFIG_PPC_MM_SLICES
171 	DEFINE(MMUPSIZESLLP, offsetof(struct mmu_psize_def, sllp));
172 #else
173 	DEFINE(PACACONTEXTSLLP, offsetof(struct paca_struct, context.sllp));
174 #endif /* CONFIG_PPC_MM_SLICES */
175 	DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
176 	DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
177 	DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb));
178 	DEFINE(PACALPPACAPTR, offsetof(struct paca_struct, lppaca_ptr));
179 	DEFINE(PACA_SLBSHADOWPTR, offsetof(struct paca_struct, slb_shadow_ptr));
180 	DEFINE(SLBSHADOW_STACKVSID,
181 	       offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].vsid));
182 	DEFINE(SLBSHADOW_STACKESID,
183 	       offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].esid));
184 	DEFINE(SLBSHADOW_SAVEAREA, offsetof(struct slb_shadow, save_area));
185 	DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0));
186 	DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1));
187 	DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int));
188 	DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int));
189 	DEFINE(LPPACA_DTLIDX, offsetof(struct lppaca, dtl_idx));
190 	DEFINE(PACA_DTL_RIDX, offsetof(struct paca_struct, dtl_ridx));
191 #endif /* CONFIG_PPC_STD_MMU_64 */
192 	DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
193 	DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
194 	DEFINE(PACAKEXECSTATE, offsetof(struct paca_struct, kexec_state));
195 	DEFINE(PACA_STARTTIME, offsetof(struct paca_struct, starttime));
196 	DEFINE(PACA_STARTTIME_USER, offsetof(struct paca_struct, starttime_user));
197 	DEFINE(PACA_USER_TIME, offsetof(struct paca_struct, user_time));
198 	DEFINE(PACA_SYSTEM_TIME, offsetof(struct paca_struct, system_time));
199 	DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save));
200 #ifdef CONFIG_KVM_BOOK3S_64_HANDLER
201 	DEFINE(PACA_KVM_SVCPU, offsetof(struct paca_struct, shadow_vcpu));
202 	DEFINE(SVCPU_SLB, offsetof(struct kvmppc_book3s_shadow_vcpu, slb));
203 	DEFINE(SVCPU_SLB_MAX, offsetof(struct kvmppc_book3s_shadow_vcpu, slb_max));
204 #endif
205 #endif /* CONFIG_PPC64 */
206 
207 	/* RTAS */
208 	DEFINE(RTASBASE, offsetof(struct rtas_t, base));
209 	DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
210 
211 	/* Interrupt register frame */
212 	DEFINE(INT_FRAME_SIZE, STACK_INT_FRAME_SIZE);
213 	DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
214 #ifdef CONFIG_PPC64
215 	/* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
216 	DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
217 	DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
218 
219 	/* hcall statistics */
220 	DEFINE(HCALL_STAT_SIZE, sizeof(struct hcall_stats));
221 	DEFINE(HCALL_STAT_CALLS, offsetof(struct hcall_stats, num_calls));
222 	DEFINE(HCALL_STAT_TB, offsetof(struct hcall_stats, tb_total));
223 	DEFINE(HCALL_STAT_PURR, offsetof(struct hcall_stats, purr_total));
224 #endif /* CONFIG_PPC64 */
225 	DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
226 	DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
227 	DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
228 	DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3]));
229 	DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4]));
230 	DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5]));
231 	DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6]));
232 	DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7]));
233 	DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8]));
234 	DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9]));
235 	DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10]));
236 	DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11]));
237 	DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12]));
238 	DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13]));
239 #ifndef CONFIG_PPC64
240 	DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14]));
241 	DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15]));
242 	DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16]));
243 	DEFINE(GPR17, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[17]));
244 	DEFINE(GPR18, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[18]));
245 	DEFINE(GPR19, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[19]));
246 	DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20]));
247 	DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21]));
248 	DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22]));
249 	DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23]));
250 	DEFINE(GPR24, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[24]));
251 	DEFINE(GPR25, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[25]));
252 	DEFINE(GPR26, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[26]));
253 	DEFINE(GPR27, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[27]));
254 	DEFINE(GPR28, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[28]));
255 	DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29]));
256 	DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30]));
257 	DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31]));
258 #endif /* CONFIG_PPC64 */
259 	/*
260 	 * Note: these symbols include _ because they overlap with special
261 	 * register names
262 	 */
263 	DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip));
264 	DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr));
265 	DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr));
266 	DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link));
267 	DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr));
268 	DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer));
269 	DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
270 	DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
271 	DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
272 	DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
273 	DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
274 #ifndef CONFIG_PPC64
275 	DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq));
276 	/*
277 	 * The PowerPC 400-class & Book-E processors have neither the DAR
278 	 * nor the DSISR SPRs. Hence, we overload them to hold the similar
279 	 * DEAR and ESR SPRs for such processors.  For critical interrupts
280 	 * we use them to hold SRR0 and SRR1.
281 	 */
282 	DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
283 	DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
284 #else /* CONFIG_PPC64 */
285 	DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));
286 
287 	/* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
288 	DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
289 	DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
290 #endif /* CONFIG_PPC64 */
291 
292 #if defined(CONFIG_PPC32)
293 #if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
294 	DEFINE(EXC_LVL_SIZE, STACK_EXC_LVL_FRAME_SIZE);
295 	DEFINE(MAS0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas0));
296 	/* we overload MMUCR for 44x on MAS0 since they are mutually exclusive */
297 	DEFINE(MMUCR, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas0));
298 	DEFINE(MAS1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas1));
299 	DEFINE(MAS2, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas2));
300 	DEFINE(MAS3, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas3));
301 	DEFINE(MAS6, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas6));
302 	DEFINE(MAS7, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas7));
303 	DEFINE(_SRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, srr0));
304 	DEFINE(_SRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, srr1));
305 	DEFINE(_CSRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, csrr0));
306 	DEFINE(_CSRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, csrr1));
307 	DEFINE(_DSRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, dsrr0));
308 	DEFINE(_DSRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, dsrr1));
309 	DEFINE(SAVED_KSP_LIMIT, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, saved_ksp_limit));
310 #endif
311 #endif
312 	DEFINE(CLONE_VM, CLONE_VM);
313 	DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
314 
315 #ifndef CONFIG_PPC64
316 	DEFINE(MM_PGD, offsetof(struct mm_struct, pgd));
317 #endif /* ! CONFIG_PPC64 */
318 
319 	/* About the CPU features table */
320 	DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features));
321 	DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup));
322 	DEFINE(CPU_SPEC_RESTORE, offsetof(struct cpu_spec, cpu_restore));
323 
324 	DEFINE(pbe_address, offsetof(struct pbe, address));
325 	DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
326 	DEFINE(pbe_next, offsetof(struct pbe, next));
327 
328 #ifndef CONFIG_PPC64
329 	DEFINE(TASK_SIZE, TASK_SIZE);
330 	DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28);
331 #endif /* ! CONFIG_PPC64 */
332 
333 	/* datapage offsets for use by vdso */
334 	DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct vdso_data, tb_orig_stamp));
335 	DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct vdso_data, tb_ticks_per_sec));
336 	DEFINE(CFG_TB_TO_XS, offsetof(struct vdso_data, tb_to_xs));
337 	DEFINE(CFG_STAMP_XSEC, offsetof(struct vdso_data, stamp_xsec));
338 	DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct vdso_data, tb_update_count));
339 	DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct vdso_data, tz_minuteswest));
340 	DEFINE(CFG_TZ_DSTTIME, offsetof(struct vdso_data, tz_dsttime));
341 	DEFINE(CFG_SYSCALL_MAP32, offsetof(struct vdso_data, syscall_map_32));
342 	DEFINE(WTOM_CLOCK_SEC, offsetof(struct vdso_data, wtom_clock_sec));
343 	DEFINE(WTOM_CLOCK_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
344 	DEFINE(STAMP_XTIME, offsetof(struct vdso_data, stamp_xtime));
345 	DEFINE(STAMP_SEC_FRAC, offsetof(struct vdso_data, stamp_sec_fraction));
346 	DEFINE(CFG_ICACHE_BLOCKSZ, offsetof(struct vdso_data, icache_block_size));
347 	DEFINE(CFG_DCACHE_BLOCKSZ, offsetof(struct vdso_data, dcache_block_size));
348 	DEFINE(CFG_ICACHE_LOGBLOCKSZ, offsetof(struct vdso_data, icache_log_block_size));
349 	DEFINE(CFG_DCACHE_LOGBLOCKSZ, offsetof(struct vdso_data, dcache_log_block_size));
350 #ifdef CONFIG_PPC64
351 	DEFINE(CFG_SYSCALL_MAP64, offsetof(struct vdso_data, syscall_map_64));
352 	DEFINE(TVAL64_TV_SEC, offsetof(struct timeval, tv_sec));
353 	DEFINE(TVAL64_TV_USEC, offsetof(struct timeval, tv_usec));
354 	DEFINE(TVAL32_TV_SEC, offsetof(struct compat_timeval, tv_sec));
355 	DEFINE(TVAL32_TV_USEC, offsetof(struct compat_timeval, tv_usec));
356 	DEFINE(TSPC64_TV_SEC, offsetof(struct timespec, tv_sec));
357 	DEFINE(TSPC64_TV_NSEC, offsetof(struct timespec, tv_nsec));
358 	DEFINE(TSPC32_TV_SEC, offsetof(struct compat_timespec, tv_sec));
359 	DEFINE(TSPC32_TV_NSEC, offsetof(struct compat_timespec, tv_nsec));
360 #else
361 	DEFINE(TVAL32_TV_SEC, offsetof(struct timeval, tv_sec));
362 	DEFINE(TVAL32_TV_USEC, offsetof(struct timeval, tv_usec));
363 	DEFINE(TSPC32_TV_SEC, offsetof(struct timespec, tv_sec));
364 	DEFINE(TSPC32_TV_NSEC, offsetof(struct timespec, tv_nsec));
365 #endif
366 	/* timeval/timezone offsets for use by vdso */
367 	DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest));
368 	DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime));
369 
370 	/* Other bits used by the vdso */
371 	DEFINE(CLOCK_REALTIME, CLOCK_REALTIME);
372 	DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
373 	DEFINE(NSEC_PER_SEC, NSEC_PER_SEC);
374 	DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
375 
376 #ifdef CONFIG_BUG
377 	DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry));
378 #endif
379 
380 #ifdef CONFIG_PPC_ISERIES
381 	/* the assembler miscalculates the VSID values */
382 	DEFINE(PAGE_OFFSET_ESID, GET_ESID(PAGE_OFFSET));
383 	DEFINE(PAGE_OFFSET_VSID, KERNEL_VSID(PAGE_OFFSET));
384 	DEFINE(VMALLOC_START_ESID, GET_ESID(VMALLOC_START));
385 	DEFINE(VMALLOC_START_VSID, KERNEL_VSID(VMALLOC_START));
386 
387 	/* alpaca */
388 	DEFINE(ALPACA_SIZE, sizeof(struct alpaca));
389 #endif
390 
391 	DEFINE(PGD_TABLE_SIZE, PGD_TABLE_SIZE);
392 	DEFINE(PTE_SIZE, sizeof(pte_t));
393 
394 #ifdef CONFIG_KVM
395 	DEFINE(VCPU_HOST_STACK, offsetof(struct kvm_vcpu, arch.host_stack));
396 	DEFINE(VCPU_HOST_PID, offsetof(struct kvm_vcpu, arch.host_pid));
397 	DEFINE(VCPU_GPRS, offsetof(struct kvm_vcpu, arch.gpr));
398 	DEFINE(VCPU_SPRG4, offsetof(struct kvm_vcpu, arch.sprg4));
399 	DEFINE(VCPU_SPRG5, offsetof(struct kvm_vcpu, arch.sprg5));
400 	DEFINE(VCPU_SPRG6, offsetof(struct kvm_vcpu, arch.sprg6));
401 	DEFINE(VCPU_SPRG7, offsetof(struct kvm_vcpu, arch.sprg7));
402 	DEFINE(VCPU_SHADOW_PID, offsetof(struct kvm_vcpu, arch.shadow_pid));
403 	DEFINE(VCPU_SHARED, offsetof(struct kvm_vcpu, arch.shared));
404 	DEFINE(VCPU_SHARED_MSR, offsetof(struct kvm_vcpu_arch_shared, msr));
405 
406 	/* book3s */
407 #ifdef CONFIG_PPC_BOOK3S
408 	DEFINE(VCPU_HOST_RETIP, offsetof(struct kvm_vcpu, arch.host_retip));
409 	DEFINE(VCPU_HOST_MSR, offsetof(struct kvm_vcpu, arch.host_msr));
410 	DEFINE(VCPU_SHADOW_MSR, offsetof(struct kvm_vcpu, arch.shadow_msr));
411 	DEFINE(VCPU_TRAMPOLINE_LOWMEM, offsetof(struct kvm_vcpu, arch.trampoline_lowmem));
412 	DEFINE(VCPU_TRAMPOLINE_ENTER, offsetof(struct kvm_vcpu, arch.trampoline_enter));
413 	DEFINE(VCPU_HIGHMEM_HANDLER, offsetof(struct kvm_vcpu, arch.highmem_handler));
414 	DEFINE(VCPU_RMCALL, offsetof(struct kvm_vcpu, arch.rmcall));
415 	DEFINE(VCPU_HFLAGS, offsetof(struct kvm_vcpu, arch.hflags));
416 	DEFINE(VCPU_SVCPU, offsetof(struct kvmppc_vcpu_book3s, shadow_vcpu) -
417 			   offsetof(struct kvmppc_vcpu_book3s, vcpu));
418 	DEFINE(SVCPU_CR, offsetof(struct kvmppc_book3s_shadow_vcpu, cr));
419 	DEFINE(SVCPU_XER, offsetof(struct kvmppc_book3s_shadow_vcpu, xer));
420 	DEFINE(SVCPU_CTR, offsetof(struct kvmppc_book3s_shadow_vcpu, ctr));
421 	DEFINE(SVCPU_LR, offsetof(struct kvmppc_book3s_shadow_vcpu, lr));
422 	DEFINE(SVCPU_PC, offsetof(struct kvmppc_book3s_shadow_vcpu, pc));
423 	DEFINE(SVCPU_R0, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[0]));
424 	DEFINE(SVCPU_R1, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[1]));
425 	DEFINE(SVCPU_R2, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[2]));
426 	DEFINE(SVCPU_R3, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[3]));
427 	DEFINE(SVCPU_R4, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[4]));
428 	DEFINE(SVCPU_R5, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[5]));
429 	DEFINE(SVCPU_R6, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[6]));
430 	DEFINE(SVCPU_R7, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[7]));
431 	DEFINE(SVCPU_R8, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[8]));
432 	DEFINE(SVCPU_R9, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[9]));
433 	DEFINE(SVCPU_R10, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[10]));
434 	DEFINE(SVCPU_R11, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[11]));
435 	DEFINE(SVCPU_R12, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[12]));
436 	DEFINE(SVCPU_R13, offsetof(struct kvmppc_book3s_shadow_vcpu, gpr[13]));
437 	DEFINE(SVCPU_HOST_R1, offsetof(struct kvmppc_book3s_shadow_vcpu, host_r1));
438 	DEFINE(SVCPU_HOST_R2, offsetof(struct kvmppc_book3s_shadow_vcpu, host_r2));
439 	DEFINE(SVCPU_VMHANDLER, offsetof(struct kvmppc_book3s_shadow_vcpu,
440 					 vmhandler));
441 	DEFINE(SVCPU_SCRATCH0, offsetof(struct kvmppc_book3s_shadow_vcpu,
442 					scratch0));
443 	DEFINE(SVCPU_SCRATCH1, offsetof(struct kvmppc_book3s_shadow_vcpu,
444 					scratch1));
445 	DEFINE(SVCPU_IN_GUEST, offsetof(struct kvmppc_book3s_shadow_vcpu,
446 					in_guest));
447 	DEFINE(SVCPU_FAULT_DSISR, offsetof(struct kvmppc_book3s_shadow_vcpu,
448 					   fault_dsisr));
449 	DEFINE(SVCPU_FAULT_DAR, offsetof(struct kvmppc_book3s_shadow_vcpu,
450 					 fault_dar));
451 	DEFINE(SVCPU_LAST_INST, offsetof(struct kvmppc_book3s_shadow_vcpu,
452 					 last_inst));
453 	DEFINE(SVCPU_SHADOW_SRR1, offsetof(struct kvmppc_book3s_shadow_vcpu,
454 					   shadow_srr1));
455 #ifdef CONFIG_PPC_BOOK3S_32
456 	DEFINE(SVCPU_SR, offsetof(struct kvmppc_book3s_shadow_vcpu, sr));
457 #endif
458 #else
459 	DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
460 	DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer));
461 	DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr));
462 	DEFINE(VCPU_CTR, offsetof(struct kvm_vcpu, arch.ctr));
463 	DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc));
464 	DEFINE(VCPU_LAST_INST, offsetof(struct kvm_vcpu, arch.last_inst));
465 	DEFINE(VCPU_FAULT_DEAR, offsetof(struct kvm_vcpu, arch.fault_dear));
466 	DEFINE(VCPU_FAULT_ESR, offsetof(struct kvm_vcpu, arch.fault_esr));
467 #endif /* CONFIG_PPC_BOOK3S */
468 #endif
469 
470 #ifdef CONFIG_KVM_GUEST
471 	DEFINE(KVM_MAGIC_SCRATCH1, offsetof(struct kvm_vcpu_arch_shared,
472 					    scratch1));
473 	DEFINE(KVM_MAGIC_SCRATCH2, offsetof(struct kvm_vcpu_arch_shared,
474 					    scratch2));
475 	DEFINE(KVM_MAGIC_SCRATCH3, offsetof(struct kvm_vcpu_arch_shared,
476 					    scratch3));
477 	DEFINE(KVM_MAGIC_INT, offsetof(struct kvm_vcpu_arch_shared,
478 				       int_pending));
479 	DEFINE(KVM_MAGIC_MSR, offsetof(struct kvm_vcpu_arch_shared, msr));
480 	DEFINE(KVM_MAGIC_CRITICAL, offsetof(struct kvm_vcpu_arch_shared,
481 					    critical));
482 	DEFINE(KVM_MAGIC_SR, offsetof(struct kvm_vcpu_arch_shared, sr));
483 #endif
484 
485 #ifdef CONFIG_44x
486 	DEFINE(PGD_T_LOG2, PGD_T_LOG2);
487 	DEFINE(PTE_T_LOG2, PTE_T_LOG2);
488 #endif
489 #ifdef CONFIG_PPC_FSL_BOOK3E
490 	DEFINE(TLBCAM_SIZE, sizeof(struct tlbcam));
491 	DEFINE(TLBCAM_MAS0, offsetof(struct tlbcam, MAS0));
492 	DEFINE(TLBCAM_MAS1, offsetof(struct tlbcam, MAS1));
493 	DEFINE(TLBCAM_MAS2, offsetof(struct tlbcam, MAS2));
494 	DEFINE(TLBCAM_MAS3, offsetof(struct tlbcam, MAS3));
495 	DEFINE(TLBCAM_MAS7, offsetof(struct tlbcam, MAS7));
496 #endif
497 
498 #ifdef CONFIG_KVM_EXIT_TIMING
499 	DEFINE(VCPU_TIMING_EXIT_TBU, offsetof(struct kvm_vcpu,
500 						arch.timing_exit.tv32.tbu));
501 	DEFINE(VCPU_TIMING_EXIT_TBL, offsetof(struct kvm_vcpu,
502 						arch.timing_exit.tv32.tbl));
503 	DEFINE(VCPU_TIMING_LAST_ENTER_TBU, offsetof(struct kvm_vcpu,
504 					arch.timing_last_enter.tv32.tbu));
505 	DEFINE(VCPU_TIMING_LAST_ENTER_TBL, offsetof(struct kvm_vcpu,
506 					arch.timing_last_enter.tv32.tbl));
507 #endif
508 
509 	return 0;
510 }
511