xref: /openbmc/linux/arch/powerpc/kernel/asm-offsets.c (revision 9e368f2915601cd5bc7f5fd638b58435b018bbd7)
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 	DEFINE(THREAD_DSCR, offsetof(struct thread_struct, dscr));
78 #else
79 	DEFINE(THREAD_INFO, offsetof(struct task_struct, stack));
80 #endif /* CONFIG_PPC64 */
81 
82 	DEFINE(KSP, offsetof(struct thread_struct, ksp));
83 	DEFINE(KSP_LIMIT, offsetof(struct thread_struct, ksp_limit));
84 	DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
85 	DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
86 	DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
87 	DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
88 #ifdef CONFIG_ALTIVEC
89 	DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0]));
90 	DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave));
91 	DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr));
92 	DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
93 #endif /* CONFIG_ALTIVEC */
94 #ifdef CONFIG_VSX
95 	DEFINE(THREAD_VSR0, offsetof(struct thread_struct, fpr));
96 	DEFINE(THREAD_USED_VSR, offsetof(struct thread_struct, used_vsr));
97 #endif /* CONFIG_VSX */
98 #ifdef CONFIG_PPC64
99 	DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid));
100 #else /* CONFIG_PPC64 */
101 	DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
102 #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
103 	DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0));
104 #endif
105 #ifdef CONFIG_SPE
106 	DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0]));
107 	DEFINE(THREAD_ACC, offsetof(struct thread_struct, acc));
108 	DEFINE(THREAD_SPEFSCR, offsetof(struct thread_struct, spefscr));
109 	DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe));
110 #endif /* CONFIG_SPE */
111 #endif /* CONFIG_PPC64 */
112 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
113 	DEFINE(THREAD_KVM_SVCPU, offsetof(struct thread_struct, kvm_shadow_vcpu));
114 #endif
115 
116 	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
117 	DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));
118 	DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
119 	DEFINE(TI_TASK, offsetof(struct thread_info, task));
120 	DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
121 
122 #ifdef CONFIG_PPC64
123 	DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size));
124 	DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size));
125 	DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, dlines_per_page));
126 	DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size));
127 	DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
128 	DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
129 	/* paca */
130 	DEFINE(PACA_SIZE, sizeof(struct paca_struct));
131 	DEFINE(PACA_LOCK_TOKEN, offsetof(struct paca_struct, lock_token));
132 	DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index));
133 	DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start));
134 	DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack));
135 	DEFINE(PACACURRENT, offsetof(struct paca_struct, __current));
136 	DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr));
137 	DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr));
138 	DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1));
139 	DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc));
140 	DEFINE(PACAKBASE, offsetof(struct paca_struct, kernelbase));
141 	DEFINE(PACAKMSR, offsetof(struct paca_struct, kernel_msr));
142 	DEFINE(PACASOFTIRQEN, offsetof(struct paca_struct, soft_enabled));
143 	DEFINE(PACAHARDIRQEN, offsetof(struct paca_struct, hard_enabled));
144 	DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
145 #ifdef CONFIG_PPC_MM_SLICES
146 	DEFINE(PACALOWSLICESPSIZE, offsetof(struct paca_struct,
147 					    context.low_slices_psize));
148 	DEFINE(PACAHIGHSLICEPSIZE, offsetof(struct paca_struct,
149 					    context.high_slices_psize));
150 	DEFINE(MMUPSIZEDEFSIZE, sizeof(struct mmu_psize_def));
151 #endif /* CONFIG_PPC_MM_SLICES */
152 
153 #ifdef CONFIG_PPC_BOOK3E
154 	DEFINE(PACAPGD, offsetof(struct paca_struct, pgd));
155 	DEFINE(PACA_KERNELPGD, offsetof(struct paca_struct, kernel_pgd));
156 	DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
157 	DEFINE(PACA_EXTLB, offsetof(struct paca_struct, extlb));
158 	DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
159 	DEFINE(PACA_EXCRIT, offsetof(struct paca_struct, excrit));
160 	DEFINE(PACA_EXDBG, offsetof(struct paca_struct, exdbg));
161 	DEFINE(PACA_MC_STACK, offsetof(struct paca_struct, mc_kstack));
162 	DEFINE(PACA_CRIT_STACK, offsetof(struct paca_struct, crit_kstack));
163 	DEFINE(PACA_DBG_STACK, offsetof(struct paca_struct, dbg_kstack));
164 #endif /* CONFIG_PPC_BOOK3E */
165 
166 #ifdef CONFIG_PPC_STD_MMU_64
167 	DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real));
168 	DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr));
169 	DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache));
170 	DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr));
171 	DEFINE(PACAVMALLOCSLLP, offsetof(struct paca_struct, vmalloc_sllp));
172 #ifdef CONFIG_PPC_MM_SLICES
173 	DEFINE(MMUPSIZESLLP, offsetof(struct mmu_psize_def, sllp));
174 #else
175 	DEFINE(PACACONTEXTSLLP, offsetof(struct paca_struct, context.sllp));
176 #endif /* CONFIG_PPC_MM_SLICES */
177 	DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
178 	DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
179 	DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb));
180 	DEFINE(PACALPPACAPTR, offsetof(struct paca_struct, lppaca_ptr));
181 	DEFINE(PACA_SLBSHADOWPTR, offsetof(struct paca_struct, slb_shadow_ptr));
182 	DEFINE(SLBSHADOW_STACKVSID,
183 	       offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].vsid));
184 	DEFINE(SLBSHADOW_STACKESID,
185 	       offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].esid));
186 	DEFINE(SLBSHADOW_SAVEAREA, offsetof(struct slb_shadow, save_area));
187 	DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0));
188 	DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1));
189 	DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int));
190 	DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int));
191 	DEFINE(LPPACA_PMCINUSE, offsetof(struct lppaca, pmcregs_in_use));
192 	DEFINE(LPPACA_DTLIDX, offsetof(struct lppaca, dtl_idx));
193 	DEFINE(LPPACA_YIELDCOUNT, offsetof(struct lppaca, yield_count));
194 	DEFINE(PACA_DTL_RIDX, offsetof(struct paca_struct, dtl_ridx));
195 #endif /* CONFIG_PPC_STD_MMU_64 */
196 	DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
197 	DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
198 	DEFINE(PACAKEXECSTATE, offsetof(struct paca_struct, kexec_state));
199 	DEFINE(PACA_STARTTIME, offsetof(struct paca_struct, starttime));
200 	DEFINE(PACA_STARTTIME_USER, offsetof(struct paca_struct, starttime_user));
201 	DEFINE(PACA_USER_TIME, offsetof(struct paca_struct, user_time));
202 	DEFINE(PACA_SYSTEM_TIME, offsetof(struct paca_struct, system_time));
203 	DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save));
204 #endif /* CONFIG_PPC64 */
205 
206 	/* RTAS */
207 	DEFINE(RTASBASE, offsetof(struct rtas_t, base));
208 	DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
209 
210 	/* Interrupt register frame */
211 	DEFINE(INT_FRAME_SIZE, STACK_INT_FRAME_SIZE);
212 	DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
213 #ifdef CONFIG_PPC64
214 	/* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
215 	DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
216 	DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
217 
218 	/* hcall statistics */
219 	DEFINE(HCALL_STAT_SIZE, sizeof(struct hcall_stats));
220 	DEFINE(HCALL_STAT_CALLS, offsetof(struct hcall_stats, num_calls));
221 	DEFINE(HCALL_STAT_TB, offsetof(struct hcall_stats, tb_total));
222 	DEFINE(HCALL_STAT_PURR, offsetof(struct hcall_stats, purr_total));
223 #endif /* CONFIG_PPC64 */
224 	DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
225 	DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
226 	DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
227 	DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3]));
228 	DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4]));
229 	DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5]));
230 	DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6]));
231 	DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7]));
232 	DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8]));
233 	DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9]));
234 	DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10]));
235 	DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11]));
236 	DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12]));
237 	DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13]));
238 #ifndef CONFIG_PPC64
239 	DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14]));
240 	DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15]));
241 	DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16]));
242 	DEFINE(GPR17, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[17]));
243 	DEFINE(GPR18, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[18]));
244 	DEFINE(GPR19, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[19]));
245 	DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20]));
246 	DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21]));
247 	DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22]));
248 	DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23]));
249 	DEFINE(GPR24, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[24]));
250 	DEFINE(GPR25, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[25]));
251 	DEFINE(GPR26, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[26]));
252 	DEFINE(GPR27, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[27]));
253 	DEFINE(GPR28, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[28]));
254 	DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29]));
255 	DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30]));
256 	DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31]));
257 #endif /* CONFIG_PPC64 */
258 	/*
259 	 * Note: these symbols include _ because they overlap with special
260 	 * register names
261 	 */
262 	DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip));
263 	DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr));
264 	DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr));
265 	DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link));
266 	DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr));
267 	DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer));
268 	DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
269 	DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
270 	DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
271 	DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
272 	DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
273 #ifndef CONFIG_PPC64
274 	DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq));
275 	/*
276 	 * The PowerPC 400-class & Book-E processors have neither the DAR
277 	 * nor the DSISR SPRs. Hence, we overload them to hold the similar
278 	 * DEAR and ESR SPRs for such processors.  For critical interrupts
279 	 * we use them to hold SRR0 and SRR1.
280 	 */
281 	DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
282 	DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
283 #else /* CONFIG_PPC64 */
284 	DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));
285 
286 	/* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
287 	DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
288 	DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
289 #endif /* CONFIG_PPC64 */
290 
291 #if defined(CONFIG_PPC32)
292 #if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
293 	DEFINE(EXC_LVL_SIZE, STACK_EXC_LVL_FRAME_SIZE);
294 	DEFINE(MAS0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas0));
295 	/* we overload MMUCR for 44x on MAS0 since they are mutually exclusive */
296 	DEFINE(MMUCR, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas0));
297 	DEFINE(MAS1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas1));
298 	DEFINE(MAS2, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas2));
299 	DEFINE(MAS3, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas3));
300 	DEFINE(MAS6, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas6));
301 	DEFINE(MAS7, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas7));
302 	DEFINE(_SRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, srr0));
303 	DEFINE(_SRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, srr1));
304 	DEFINE(_CSRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, csrr0));
305 	DEFINE(_CSRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, csrr1));
306 	DEFINE(_DSRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, dsrr0));
307 	DEFINE(_DSRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, dsrr1));
308 	DEFINE(SAVED_KSP_LIMIT, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, saved_ksp_limit));
309 #endif
310 #endif
311 	DEFINE(CLONE_VM, CLONE_VM);
312 	DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
313 
314 #ifndef CONFIG_PPC64
315 	DEFINE(MM_PGD, offsetof(struct mm_struct, pgd));
316 #endif /* ! CONFIG_PPC64 */
317 
318 	/* About the CPU features table */
319 	DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features));
320 	DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup));
321 	DEFINE(CPU_SPEC_RESTORE, offsetof(struct cpu_spec, cpu_restore));
322 
323 	DEFINE(pbe_address, offsetof(struct pbe, address));
324 	DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
325 	DEFINE(pbe_next, offsetof(struct pbe, next));
326 
327 #ifndef CONFIG_PPC64
328 	DEFINE(TASK_SIZE, TASK_SIZE);
329 	DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28);
330 #endif /* ! CONFIG_PPC64 */
331 
332 	/* datapage offsets for use by vdso */
333 	DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct vdso_data, tb_orig_stamp));
334 	DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct vdso_data, tb_ticks_per_sec));
335 	DEFINE(CFG_TB_TO_XS, offsetof(struct vdso_data, tb_to_xs));
336 	DEFINE(CFG_STAMP_XSEC, offsetof(struct vdso_data, stamp_xsec));
337 	DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct vdso_data, tb_update_count));
338 	DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct vdso_data, tz_minuteswest));
339 	DEFINE(CFG_TZ_DSTTIME, offsetof(struct vdso_data, tz_dsttime));
340 	DEFINE(CFG_SYSCALL_MAP32, offsetof(struct vdso_data, syscall_map_32));
341 	DEFINE(WTOM_CLOCK_SEC, offsetof(struct vdso_data, wtom_clock_sec));
342 	DEFINE(WTOM_CLOCK_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
343 	DEFINE(STAMP_XTIME, offsetof(struct vdso_data, stamp_xtime));
344 	DEFINE(STAMP_SEC_FRAC, offsetof(struct vdso_data, stamp_sec_fraction));
345 	DEFINE(CFG_ICACHE_BLOCKSZ, offsetof(struct vdso_data, icache_block_size));
346 	DEFINE(CFG_DCACHE_BLOCKSZ, offsetof(struct vdso_data, dcache_block_size));
347 	DEFINE(CFG_ICACHE_LOGBLOCKSZ, offsetof(struct vdso_data, icache_log_block_size));
348 	DEFINE(CFG_DCACHE_LOGBLOCKSZ, offsetof(struct vdso_data, dcache_log_block_size));
349 #ifdef CONFIG_PPC64
350 	DEFINE(CFG_SYSCALL_MAP64, offsetof(struct vdso_data, syscall_map_64));
351 	DEFINE(TVAL64_TV_SEC, offsetof(struct timeval, tv_sec));
352 	DEFINE(TVAL64_TV_USEC, offsetof(struct timeval, tv_usec));
353 	DEFINE(TVAL32_TV_SEC, offsetof(struct compat_timeval, tv_sec));
354 	DEFINE(TVAL32_TV_USEC, offsetof(struct compat_timeval, tv_usec));
355 	DEFINE(TSPC64_TV_SEC, offsetof(struct timespec, tv_sec));
356 	DEFINE(TSPC64_TV_NSEC, offsetof(struct timespec, tv_nsec));
357 	DEFINE(TSPC32_TV_SEC, offsetof(struct compat_timespec, tv_sec));
358 	DEFINE(TSPC32_TV_NSEC, offsetof(struct compat_timespec, tv_nsec));
359 #else
360 	DEFINE(TVAL32_TV_SEC, offsetof(struct timeval, tv_sec));
361 	DEFINE(TVAL32_TV_USEC, offsetof(struct timeval, tv_usec));
362 	DEFINE(TSPC32_TV_SEC, offsetof(struct timespec, tv_sec));
363 	DEFINE(TSPC32_TV_NSEC, offsetof(struct timespec, tv_nsec));
364 #endif
365 	/* timeval/timezone offsets for use by vdso */
366 	DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest));
367 	DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime));
368 
369 	/* Other bits used by the vdso */
370 	DEFINE(CLOCK_REALTIME, CLOCK_REALTIME);
371 	DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
372 	DEFINE(NSEC_PER_SEC, NSEC_PER_SEC);
373 	DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
374 
375 #ifdef CONFIG_BUG
376 	DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry));
377 #endif
378 
379 #ifdef CONFIG_PPC_ISERIES
380 	/* the assembler miscalculates the VSID values */
381 	DEFINE(PAGE_OFFSET_ESID, GET_ESID(PAGE_OFFSET));
382 	DEFINE(PAGE_OFFSET_VSID, KERNEL_VSID(PAGE_OFFSET));
383 	DEFINE(VMALLOC_START_ESID, GET_ESID(VMALLOC_START));
384 	DEFINE(VMALLOC_START_VSID, KERNEL_VSID(VMALLOC_START));
385 
386 	/* alpaca */
387 	DEFINE(ALPACA_SIZE, sizeof(struct alpaca));
388 #endif
389 
390 	DEFINE(PGD_TABLE_SIZE, PGD_TABLE_SIZE);
391 	DEFINE(PTE_SIZE, sizeof(pte_t));
392 
393 #ifdef CONFIG_KVM
394 	DEFINE(VCPU_HOST_STACK, offsetof(struct kvm_vcpu, arch.host_stack));
395 	DEFINE(VCPU_HOST_PID, offsetof(struct kvm_vcpu, arch.host_pid));
396 	DEFINE(VCPU_GPRS, offsetof(struct kvm_vcpu, arch.gpr));
397 	DEFINE(VCPU_VRSAVE, offsetof(struct kvm_vcpu, arch.vrsave));
398 	DEFINE(VCPU_FPRS, offsetof(struct kvm_vcpu, arch.fpr));
399 	DEFINE(VCPU_FPSCR, offsetof(struct kvm_vcpu, arch.fpscr));
400 #ifdef CONFIG_ALTIVEC
401 	DEFINE(VCPU_VRS, offsetof(struct kvm_vcpu, arch.vr));
402 	DEFINE(VCPU_VSCR, offsetof(struct kvm_vcpu, arch.vscr));
403 #endif
404 #ifdef CONFIG_VSX
405 	DEFINE(VCPU_VSRS, offsetof(struct kvm_vcpu, arch.vsr));
406 #endif
407 	DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer));
408 	DEFINE(VCPU_CTR, offsetof(struct kvm_vcpu, arch.ctr));
409 	DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr));
410 	DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
411 	DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc));
412 #ifdef CONFIG_KVM_BOOK3S_64_HV
413 	DEFINE(VCPU_MSR, offsetof(struct kvm_vcpu, arch.shregs.msr));
414 	DEFINE(VCPU_SRR0, offsetof(struct kvm_vcpu, arch.shregs.srr0));
415 	DEFINE(VCPU_SRR1, offsetof(struct kvm_vcpu, arch.shregs.srr1));
416 	DEFINE(VCPU_SPRG0, offsetof(struct kvm_vcpu, arch.shregs.sprg0));
417 	DEFINE(VCPU_SPRG1, offsetof(struct kvm_vcpu, arch.shregs.sprg1));
418 	DEFINE(VCPU_SPRG2, offsetof(struct kvm_vcpu, arch.shregs.sprg2));
419 	DEFINE(VCPU_SPRG3, offsetof(struct kvm_vcpu, arch.shregs.sprg3));
420 #endif
421 	DEFINE(VCPU_SPRG4, offsetof(struct kvm_vcpu, arch.sprg4));
422 	DEFINE(VCPU_SPRG5, offsetof(struct kvm_vcpu, arch.sprg5));
423 	DEFINE(VCPU_SPRG6, offsetof(struct kvm_vcpu, arch.sprg6));
424 	DEFINE(VCPU_SPRG7, offsetof(struct kvm_vcpu, arch.sprg7));
425 	DEFINE(VCPU_SHADOW_PID, offsetof(struct kvm_vcpu, arch.shadow_pid));
426 	DEFINE(VCPU_SHADOW_PID1, offsetof(struct kvm_vcpu, arch.shadow_pid1));
427 	DEFINE(VCPU_SHARED, offsetof(struct kvm_vcpu, arch.shared));
428 	DEFINE(VCPU_SHARED_MSR, offsetof(struct kvm_vcpu_arch_shared, msr));
429 	DEFINE(VCPU_SHADOW_MSR, offsetof(struct kvm_vcpu, arch.shadow_msr));
430 
431 	/* book3s */
432 #ifdef CONFIG_KVM_BOOK3S_64_HV
433 	DEFINE(KVM_LPID, offsetof(struct kvm, arch.lpid));
434 	DEFINE(KVM_SDR1, offsetof(struct kvm, arch.sdr1));
435 	DEFINE(KVM_HOST_LPID, offsetof(struct kvm, arch.host_lpid));
436 	DEFINE(KVM_HOST_LPCR, offsetof(struct kvm, arch.host_lpcr));
437 	DEFINE(KVM_HOST_SDR1, offsetof(struct kvm, arch.host_sdr1));
438 	DEFINE(KVM_TLBIE_LOCK, offsetof(struct kvm, arch.tlbie_lock));
439 	DEFINE(KVM_ONLINE_CPUS, offsetof(struct kvm, online_vcpus.counter));
440 	DEFINE(KVM_LAST_VCPU, offsetof(struct kvm, arch.last_vcpu));
441 	DEFINE(KVM_LPCR, offsetof(struct kvm, arch.lpcr));
442 	DEFINE(KVM_RMOR, offsetof(struct kvm, arch.rmor));
443 	DEFINE(VCPU_DSISR, offsetof(struct kvm_vcpu, arch.shregs.dsisr));
444 	DEFINE(VCPU_DAR, offsetof(struct kvm_vcpu, arch.shregs.dar));
445 #endif
446 #ifdef CONFIG_PPC_BOOK3S
447 	DEFINE(VCPU_KVM, offsetof(struct kvm_vcpu, kvm));
448 	DEFINE(VCPU_VCPUID, offsetof(struct kvm_vcpu, vcpu_id));
449 	DEFINE(VCPU_HOST_RETIP, offsetof(struct kvm_vcpu, arch.host_retip));
450 	DEFINE(VCPU_HOST_MSR, offsetof(struct kvm_vcpu, arch.host_msr));
451 	DEFINE(VCPU_PURR, offsetof(struct kvm_vcpu, arch.purr));
452 	DEFINE(VCPU_SPURR, offsetof(struct kvm_vcpu, arch.spurr));
453 	DEFINE(VCPU_DSCR, offsetof(struct kvm_vcpu, arch.dscr));
454 	DEFINE(VCPU_AMR, offsetof(struct kvm_vcpu, arch.amr));
455 	DEFINE(VCPU_UAMOR, offsetof(struct kvm_vcpu, arch.uamor));
456 	DEFINE(VCPU_CTRL, offsetof(struct kvm_vcpu, arch.ctrl));
457 	DEFINE(VCPU_DABR, offsetof(struct kvm_vcpu, arch.dabr));
458 	DEFINE(VCPU_TRAMPOLINE_LOWMEM, offsetof(struct kvm_vcpu, arch.trampoline_lowmem));
459 	DEFINE(VCPU_TRAMPOLINE_ENTER, offsetof(struct kvm_vcpu, arch.trampoline_enter));
460 	DEFINE(VCPU_HIGHMEM_HANDLER, offsetof(struct kvm_vcpu, arch.highmem_handler));
461 	DEFINE(VCPU_RMCALL, offsetof(struct kvm_vcpu, arch.rmcall));
462 	DEFINE(VCPU_HFLAGS, offsetof(struct kvm_vcpu, arch.hflags));
463 	DEFINE(VCPU_DEC, offsetof(struct kvm_vcpu, arch.dec));
464 	DEFINE(VCPU_DEC_EXPIRES, offsetof(struct kvm_vcpu, arch.dec_expires));
465 	DEFINE(VCPU_PENDING_EXC, offsetof(struct kvm_vcpu, arch.pending_exceptions));
466 	DEFINE(VCPU_VPA, offsetof(struct kvm_vcpu, arch.vpa));
467 	DEFINE(VCPU_MMCR, offsetof(struct kvm_vcpu, arch.mmcr));
468 	DEFINE(VCPU_PMC, offsetof(struct kvm_vcpu, arch.pmc));
469 	DEFINE(VCPU_SLB, offsetof(struct kvm_vcpu, arch.slb));
470 	DEFINE(VCPU_SLB_MAX, offsetof(struct kvm_vcpu, arch.slb_max));
471 	DEFINE(VCPU_SLB_NR, offsetof(struct kvm_vcpu, arch.slb_nr));
472 	DEFINE(VCPU_LAST_CPU, offsetof(struct kvm_vcpu, arch.last_cpu));
473 	DEFINE(VCPU_FAULT_DSISR, offsetof(struct kvm_vcpu, arch.fault_dsisr));
474 	DEFINE(VCPU_FAULT_DAR, offsetof(struct kvm_vcpu, arch.fault_dar));
475 	DEFINE(VCPU_LAST_INST, offsetof(struct kvm_vcpu, arch.last_inst));
476 	DEFINE(VCPU_TRAP, offsetof(struct kvm_vcpu, arch.trap));
477 	DEFINE(VCPU_PTID, offsetof(struct kvm_vcpu, arch.ptid));
478 	DEFINE(VCORE_ENTRY_EXIT, offsetof(struct kvmppc_vcore, entry_exit_count));
479 	DEFINE(VCORE_NAP_COUNT, offsetof(struct kvmppc_vcore, nap_count));
480 	DEFINE(VCORE_IN_GUEST, offsetof(struct kvmppc_vcore, in_guest));
481 	DEFINE(VCPU_SVCPU, offsetof(struct kvmppc_vcpu_book3s, shadow_vcpu) -
482 			   offsetof(struct kvmppc_vcpu_book3s, vcpu));
483 	DEFINE(VCPU_SLB_E, offsetof(struct kvmppc_slb, orige));
484 	DEFINE(VCPU_SLB_V, offsetof(struct kvmppc_slb, origv));
485 	DEFINE(VCPU_SLB_SIZE, sizeof(struct kvmppc_slb));
486 
487 #ifdef CONFIG_PPC_BOOK3S_64
488 #ifdef CONFIG_KVM_BOOK3S_PR
489 # define SVCPU_FIELD(x, f)	DEFINE(x, offsetof(struct paca_struct, shadow_vcpu.f))
490 #else
491 # define SVCPU_FIELD(x, f)
492 #endif
493 # define HSTATE_FIELD(x, f)	DEFINE(x, offsetof(struct paca_struct, kvm_hstate.f))
494 #else	/* 32-bit */
495 # define SVCPU_FIELD(x, f)	DEFINE(x, offsetof(struct kvmppc_book3s_shadow_vcpu, f))
496 # define HSTATE_FIELD(x, f)	DEFINE(x, offsetof(struct kvmppc_book3s_shadow_vcpu, hstate.f))
497 #endif
498 
499 	SVCPU_FIELD(SVCPU_CR, cr);
500 	SVCPU_FIELD(SVCPU_XER, xer);
501 	SVCPU_FIELD(SVCPU_CTR, ctr);
502 	SVCPU_FIELD(SVCPU_LR, lr);
503 	SVCPU_FIELD(SVCPU_PC, pc);
504 	SVCPU_FIELD(SVCPU_R0, gpr[0]);
505 	SVCPU_FIELD(SVCPU_R1, gpr[1]);
506 	SVCPU_FIELD(SVCPU_R2, gpr[2]);
507 	SVCPU_FIELD(SVCPU_R3, gpr[3]);
508 	SVCPU_FIELD(SVCPU_R4, gpr[4]);
509 	SVCPU_FIELD(SVCPU_R5, gpr[5]);
510 	SVCPU_FIELD(SVCPU_R6, gpr[6]);
511 	SVCPU_FIELD(SVCPU_R7, gpr[7]);
512 	SVCPU_FIELD(SVCPU_R8, gpr[8]);
513 	SVCPU_FIELD(SVCPU_R9, gpr[9]);
514 	SVCPU_FIELD(SVCPU_R10, gpr[10]);
515 	SVCPU_FIELD(SVCPU_R11, gpr[11]);
516 	SVCPU_FIELD(SVCPU_R12, gpr[12]);
517 	SVCPU_FIELD(SVCPU_R13, gpr[13]);
518 	SVCPU_FIELD(SVCPU_FAULT_DSISR, fault_dsisr);
519 	SVCPU_FIELD(SVCPU_FAULT_DAR, fault_dar);
520 	SVCPU_FIELD(SVCPU_LAST_INST, last_inst);
521 	SVCPU_FIELD(SVCPU_SHADOW_SRR1, shadow_srr1);
522 #ifdef CONFIG_PPC_BOOK3S_32
523 	SVCPU_FIELD(SVCPU_SR, sr);
524 #endif
525 #ifdef CONFIG_PPC64
526 	SVCPU_FIELD(SVCPU_SLB, slb);
527 	SVCPU_FIELD(SVCPU_SLB_MAX, slb_max);
528 #endif
529 
530 	HSTATE_FIELD(HSTATE_HOST_R1, host_r1);
531 	HSTATE_FIELD(HSTATE_HOST_R2, host_r2);
532 	HSTATE_FIELD(HSTATE_HOST_MSR, host_msr);
533 	HSTATE_FIELD(HSTATE_VMHANDLER, vmhandler);
534 	HSTATE_FIELD(HSTATE_SCRATCH0, scratch0);
535 	HSTATE_FIELD(HSTATE_SCRATCH1, scratch1);
536 	HSTATE_FIELD(HSTATE_IN_GUEST, in_guest);
537 
538 #ifdef CONFIG_KVM_BOOK3S_64_HV
539 	HSTATE_FIELD(HSTATE_KVM_VCPU, kvm_vcpu);
540 	HSTATE_FIELD(HSTATE_KVM_VCORE, kvm_vcore);
541 	HSTATE_FIELD(HSTATE_XICS_PHYS, xics_phys);
542 	HSTATE_FIELD(HSTATE_MMCR, host_mmcr);
543 	HSTATE_FIELD(HSTATE_PMC, host_pmc);
544 	HSTATE_FIELD(HSTATE_PURR, host_purr);
545 	HSTATE_FIELD(HSTATE_SPURR, host_spurr);
546 	HSTATE_FIELD(HSTATE_DSCR, host_dscr);
547 	HSTATE_FIELD(HSTATE_DABR, dabr);
548 	HSTATE_FIELD(HSTATE_DECEXP, dec_expires);
549 #endif /* CONFIG_KVM_BOOK3S_64_HV */
550 
551 #else /* CONFIG_PPC_BOOK3S */
552 	DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
553 	DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer));
554 	DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr));
555 	DEFINE(VCPU_CTR, offsetof(struct kvm_vcpu, arch.ctr));
556 	DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc));
557 	DEFINE(VCPU_LAST_INST, offsetof(struct kvm_vcpu, arch.last_inst));
558 	DEFINE(VCPU_FAULT_DEAR, offsetof(struct kvm_vcpu, arch.fault_dear));
559 	DEFINE(VCPU_FAULT_ESR, offsetof(struct kvm_vcpu, arch.fault_esr));
560 #endif /* CONFIG_PPC_BOOK3S */
561 #endif /* CONFIG_KVM */
562 
563 #ifdef CONFIG_KVM_GUEST
564 	DEFINE(KVM_MAGIC_SCRATCH1, offsetof(struct kvm_vcpu_arch_shared,
565 					    scratch1));
566 	DEFINE(KVM_MAGIC_SCRATCH2, offsetof(struct kvm_vcpu_arch_shared,
567 					    scratch2));
568 	DEFINE(KVM_MAGIC_SCRATCH3, offsetof(struct kvm_vcpu_arch_shared,
569 					    scratch3));
570 	DEFINE(KVM_MAGIC_INT, offsetof(struct kvm_vcpu_arch_shared,
571 				       int_pending));
572 	DEFINE(KVM_MAGIC_MSR, offsetof(struct kvm_vcpu_arch_shared, msr));
573 	DEFINE(KVM_MAGIC_CRITICAL, offsetof(struct kvm_vcpu_arch_shared,
574 					    critical));
575 	DEFINE(KVM_MAGIC_SR, offsetof(struct kvm_vcpu_arch_shared, sr));
576 #endif
577 
578 #ifdef CONFIG_44x
579 	DEFINE(PGD_T_LOG2, PGD_T_LOG2);
580 	DEFINE(PTE_T_LOG2, PTE_T_LOG2);
581 #endif
582 #ifdef CONFIG_PPC_FSL_BOOK3E
583 	DEFINE(TLBCAM_SIZE, sizeof(struct tlbcam));
584 	DEFINE(TLBCAM_MAS0, offsetof(struct tlbcam, MAS0));
585 	DEFINE(TLBCAM_MAS1, offsetof(struct tlbcam, MAS1));
586 	DEFINE(TLBCAM_MAS2, offsetof(struct tlbcam, MAS2));
587 	DEFINE(TLBCAM_MAS3, offsetof(struct tlbcam, MAS3));
588 	DEFINE(TLBCAM_MAS7, offsetof(struct tlbcam, MAS7));
589 #endif
590 
591 #if defined(CONFIG_KVM) && defined(CONFIG_SPE)
592 	DEFINE(VCPU_EVR, offsetof(struct kvm_vcpu, arch.evr[0]));
593 	DEFINE(VCPU_ACC, offsetof(struct kvm_vcpu, arch.acc));
594 	DEFINE(VCPU_SPEFSCR, offsetof(struct kvm_vcpu, arch.spefscr));
595 	DEFINE(VCPU_HOST_SPEFSCR, offsetof(struct kvm_vcpu, arch.host_spefscr));
596 #endif
597 
598 #ifdef CONFIG_KVM_EXIT_TIMING
599 	DEFINE(VCPU_TIMING_EXIT_TBU, offsetof(struct kvm_vcpu,
600 						arch.timing_exit.tv32.tbu));
601 	DEFINE(VCPU_TIMING_EXIT_TBL, offsetof(struct kvm_vcpu,
602 						arch.timing_exit.tv32.tbl));
603 	DEFINE(VCPU_TIMING_LAST_ENTER_TBU, offsetof(struct kvm_vcpu,
604 					arch.timing_last_enter.tv32.tbu));
605 	DEFINE(VCPU_TIMING_LAST_ENTER_TBL, offsetof(struct kvm_vcpu,
606 					arch.timing_last_enter.tv32.tbl));
607 #endif
608 
609 	return 0;
610 }
611