Lines Matching +full:local +full:- +full:pid
1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2015-2016, Aneesh Kumar K.V, IBM Corporation.
15 #include <asm/ppc-opcode.h>
29 unsigned int pid, in tlbiel_radix_set_isa300() argument
36 rs = ((unsigned long)pid << PPC_BITLSHIFT(31)); in tlbiel_radix_set_isa300()
95 WARN(1, "%s called on pre-POWER9 CPU\n", __func__); in radix__tlbiel_all()
100 static __always_inline void __tlbiel_pid(unsigned long pid, int set, in __tlbiel_pid() argument
107 rs = ((unsigned long)pid) << PPC_BITLSHIFT(31); in __tlbiel_pid()
116 static __always_inline void __tlbie_pid(unsigned long pid, unsigned long ric) in __tlbie_pid() argument
121 rs = pid << PPC_BITLSHIFT(31); in __tlbie_pid()
158 static __always_inline void __tlbiel_va(unsigned long va, unsigned long pid, in __tlbiel_va() argument
165 rs = pid << PPC_BITLSHIFT(31); in __tlbiel_va()
174 static __always_inline void __tlbie_va(unsigned long va, unsigned long pid, in __tlbie_va() argument
181 rs = pid << PPC_BITLSHIFT(31); in __tlbie_va()
207 static inline void fixup_tlbie_va(unsigned long va, unsigned long pid, in fixup_tlbie_va() argument
217 __tlbie_va(va, pid, ap, RIC_FLUSH_TLB); in fixup_tlbie_va()
221 static inline void fixup_tlbie_va_range(unsigned long va, unsigned long pid, in fixup_tlbie_va_range() argument
231 __tlbie_va(va, pid, ap, RIC_FLUSH_TLB); in fixup_tlbie_va_range()
235 static inline void fixup_tlbie_pid(unsigned long pid) in fixup_tlbie_pid() argument
241 unsigned long va = ((1UL << 52) - 1); in fixup_tlbie_pid()
250 __tlbie_va(va, pid, mmu_get_ap(MMU_PAGE_64K), RIC_FLUSH_TLB); in fixup_tlbie_pid()
274 unsigned long va = ((1UL << 52) - 1); in fixup_tlbie_lpid()
290 static inline void _tlbiel_pid(unsigned long pid, unsigned long ric) in _tlbiel_pid() argument
300 __tlbiel_pid(pid, 0, RIC_FLUSH_PWC); in _tlbiel_pid()
304 __tlbiel_pid(pid, 0, RIC_FLUSH_TLB); in _tlbiel_pid()
313 __tlbiel_pid(pid, 0, RIC_FLUSH_ALL); in _tlbiel_pid()
319 __tlbiel_pid(pid, set, RIC_FLUSH_TLB); in _tlbiel_pid()
326 static inline void _tlbie_pid(unsigned long pid, unsigned long ric) in _tlbie_pid() argument
332 * must be a compile-time constraint to match the "i" constraint in _tlbie_pid()
337 __tlbie_pid(pid, RIC_FLUSH_TLB); in _tlbie_pid()
338 fixup_tlbie_pid(pid); in _tlbie_pid()
341 __tlbie_pid(pid, RIC_FLUSH_PWC); in _tlbie_pid()
345 __tlbie_pid(pid, RIC_FLUSH_ALL); in _tlbie_pid()
346 fixup_tlbie_pid(pid); in _tlbie_pid()
352 unsigned long pid; member
360 if (t->ric == RIC_FLUSH_TLB) in do_tlbiel_pid()
361 _tlbiel_pid(t->pid, RIC_FLUSH_TLB); in do_tlbiel_pid()
362 else if (t->ric == RIC_FLUSH_PWC) in do_tlbiel_pid()
363 _tlbiel_pid(t->pid, RIC_FLUSH_PWC); in do_tlbiel_pid()
365 _tlbiel_pid(t->pid, RIC_FLUSH_ALL); in do_tlbiel_pid()
369 unsigned long pid, unsigned long ric) in _tlbiel_pid_multicast() argument
372 struct tlbiel_pid t = { .pid = pid, .ric = ric }; in _tlbiel_pid_multicast()
380 if (atomic_read(&mm->context.copros) > 0) in _tlbiel_pid_multicast()
381 _tlbie_pid(pid, RIC_FLUSH_ALL); in _tlbiel_pid_multicast()
390 * must be a compile-time contraint to match the "i" constraint in _tlbie_lpid()
413 * must be a compile-time contraint to match the "i" constraint in _tlbie_lpid_guest()
432 unsigned long pid, unsigned long page_size, in __tlbiel_va_range() argument
439 __tlbiel_va(addr, pid, ap, RIC_FLUSH_TLB); in __tlbiel_va_range()
442 static __always_inline void _tlbiel_va(unsigned long va, unsigned long pid, in _tlbiel_va() argument
448 __tlbiel_va(va, pid, ap, ric); in _tlbiel_va()
453 unsigned long pid, unsigned long page_size, in _tlbiel_va_range() argument
458 __tlbiel_pid(pid, 0, RIC_FLUSH_PWC); in _tlbiel_va_range()
459 __tlbiel_va_range(start, end, pid, page_size, psize); in _tlbiel_va_range()
464 unsigned long pid, unsigned long page_size, in __tlbie_va_range() argument
471 __tlbie_va(addr, pid, ap, RIC_FLUSH_TLB); in __tlbie_va_range()
473 fixup_tlbie_va_range(addr - page_size, pid, ap); in __tlbie_va_range()
476 static __always_inline void _tlbie_va(unsigned long va, unsigned long pid, in _tlbie_va() argument
482 __tlbie_va(va, pid, ap, ric); in _tlbie_va()
483 fixup_tlbie_va(va, pid, ap); in _tlbie_va()
488 unsigned long pid; member
498 if (t->ric == RIC_FLUSH_TLB) in do_tlbiel_va()
499 _tlbiel_va(t->va, t->pid, t->psize, RIC_FLUSH_TLB); in do_tlbiel_va()
500 else if (t->ric == RIC_FLUSH_PWC) in do_tlbiel_va()
501 _tlbiel_va(t->va, t->pid, t->psize, RIC_FLUSH_PWC); in do_tlbiel_va()
503 _tlbiel_va(t->va, t->pid, t->psize, RIC_FLUSH_ALL); in do_tlbiel_va()
507 unsigned long va, unsigned long pid, in _tlbiel_va_multicast() argument
511 struct tlbiel_va t = { .va = va, .pid = pid, .psize = psize, .ric = ric }; in _tlbiel_va_multicast()
513 if (atomic_read(&mm->context.copros) > 0) in _tlbiel_va_multicast()
514 _tlbie_va(va, pid, psize, RIC_FLUSH_TLB); in _tlbiel_va_multicast()
518 unsigned long pid; member
530 _tlbiel_va_range(t->start, t->end, t->pid, t->page_size, in do_tlbiel_va_range()
531 t->psize, t->also_pwc); in do_tlbiel_va_range()
546 unsigned long pid, unsigned long page_size, in _tlbie_va_range() argument
551 __tlbie_pid(pid, RIC_FLUSH_PWC); in _tlbie_va_range()
552 __tlbie_va_range(start, end, pid, page_size, psize); in _tlbie_va_range()
558 unsigned long pid, unsigned long page_size, in _tlbiel_va_range_multicast() argument
563 .pid = pid, .page_size = page_size, in _tlbiel_va_range_multicast()
567 if (atomic_read(&mm->context.copros) > 0) in _tlbiel_va_range_multicast()
568 _tlbie_va_range(start, end, pid, page_size, psize, also_pwc); in _tlbiel_va_range_multicast()
574 * - flush_tlb_mm(mm) flushes the specified mm context TLB's
575 * - flush_tlb_page(vma, vmaddr) flushes one page
576 * - flush_tlb_range(vma, start, end) flushes a range of pages
577 * - flush_tlb_kernel_range(start, end) flushes kernel pages
579 * - local_* variants of page and mm only apply to the current
584 unsigned long pid = mm->context.id; in radix__local_flush_tlb_mm() local
586 if (WARN_ON_ONCE(pid == MMU_NO_CONTEXT)) in radix__local_flush_tlb_mm()
590 _tlbiel_pid(pid, RIC_FLUSH_TLB); in radix__local_flush_tlb_mm()
598 unsigned long pid = mm->context.id; in radix__local_flush_all_mm() local
600 if (WARN_ON_ONCE(pid == MMU_NO_CONTEXT)) in radix__local_flush_all_mm()
604 _tlbiel_pid(pid, RIC_FLUSH_ALL); in radix__local_flush_all_mm()
618 unsigned long pid = mm->context.id; in radix__local_flush_tlb_page_psize() local
620 if (WARN_ON_ONCE(pid == MMU_NO_CONTEXT)) in radix__local_flush_tlb_page_psize()
624 _tlbiel_va(vmaddr, pid, psize, RIC_FLUSH_TLB); in radix__local_flush_tlb_page_psize()
635 radix__local_flush_tlb_page_psize(vma->vm_mm, vmaddr, mmu_virtual_psize); in radix__local_flush_tlb_page()
643 * and not flushing them when RIC = 0 for a PID/LPID invalidate. in mm_needs_flush_escalation()
647 * this workaround is required - escalate all RIC=0 IS=1/2/3 flushes in mm_needs_flush_escalation()
654 if (atomic_read(&mm->context.copros) > 0) in mm_needs_flush_escalation()
665 unsigned long pid = mm->context.id; in exit_lazy_flush_tlb() local
671 * interrupted here. In that case, current->mm will be set to mm, in exit_lazy_flush_tlb()
672 * because kthread_use_mm() setting ->mm and switching to the mm is in exit_lazy_flush_tlb()
675 if (current->mm == mm) in exit_lazy_flush_tlb()
678 if (current->active_mm == mm) { in exit_lazy_flush_tlb()
681 WARN_ON_ONCE(current->mm != NULL); in exit_lazy_flush_tlb()
689 current->active_mm = &init_mm; in exit_lazy_flush_tlb()
711 _tlbiel_pid(pid, RIC_FLUSH_ALL); in exit_lazy_flush_tlb()
725 * parallel with our local flush, but generic code does not in exit_flush_lazy_tlbs()
742 * mm_cpumask can be trimmed for the case where it's not a single-threaded
767 int active_cpus = atomic_read(&mm->context.active_cpus); in flush_type_needed()
773 if (current->mm != mm) { in flush_type_needed()
788 if (atomic_read(&mm->context.copros) > 0) in flush_type_needed()
800 * If we are running the only thread of a single-threaded process, in flush_type_needed()
805 if (atomic_read(&mm->mm_users) <= 1 && current->mm == mm) { in flush_type_needed()
812 * will only require a local flush. in flush_type_needed()
823 if (current->mm == mm) in flush_type_needed()
836 unsigned long pid; in radix__flush_tlb_mm() local
839 pid = mm->context.id; in radix__flush_tlb_mm()
840 if (WARN_ON_ONCE(pid == MMU_NO_CONTEXT)) in radix__flush_tlb_mm()
852 _tlbiel_pid(pid, RIC_FLUSH_TLB); in radix__flush_tlb_mm()
857 if (atomic_read(&mm->context.copros) > 0) in radix__flush_tlb_mm()
859 pseries_rpt_invalidate(pid, tgt, H_RPTI_TYPE_TLB, in radix__flush_tlb_mm()
860 H_RPTI_PAGE_ALL, 0, -1UL); in radix__flush_tlb_mm()
863 _tlbie_pid(pid, RIC_FLUSH_ALL); in radix__flush_tlb_mm()
865 _tlbie_pid(pid, RIC_FLUSH_TLB); in radix__flush_tlb_mm()
867 _tlbiel_pid_multicast(mm, pid, RIC_FLUSH_TLB); in radix__flush_tlb_mm()
871 mmu_notifier_arch_invalidate_secondary_tlbs(mm, 0, -1UL); in radix__flush_tlb_mm()
877 unsigned long pid; in __flush_all_mm() local
880 pid = mm->context.id; in __flush_all_mm()
881 if (WARN_ON_ONCE(pid == MMU_NO_CONTEXT)) in __flush_all_mm()
888 _tlbiel_pid(pid, RIC_FLUSH_ALL); in __flush_all_mm()
895 if (atomic_read(&mm->context.copros) > 0) in __flush_all_mm()
897 pseries_rpt_invalidate(pid, tgt, type, in __flush_all_mm()
898 H_RPTI_PAGE_ALL, 0, -1UL); in __flush_all_mm()
900 _tlbie_pid(pid, RIC_FLUSH_ALL); in __flush_all_mm()
902 _tlbiel_pid_multicast(mm, pid, RIC_FLUSH_ALL); in __flush_all_mm()
905 mmu_notifier_arch_invalidate_secondary_tlbs(mm, 0, -1UL); in __flush_all_mm()
917 unsigned long pid; in radix__flush_tlb_page_psize() local
920 pid = mm->context.id; in radix__flush_tlb_page_psize()
921 if (WARN_ON_ONCE(pid == MMU_NO_CONTEXT)) in radix__flush_tlb_page_psize()
928 _tlbiel_va(vmaddr, pid, psize, RIC_FLUSH_TLB); in radix__flush_tlb_page_psize()
937 if (atomic_read(&mm->context.copros) > 0) in radix__flush_tlb_page_psize()
939 pseries_rpt_invalidate(pid, tgt, H_RPTI_TYPE_TLB, in radix__flush_tlb_page_psize()
943 _tlbie_va(vmaddr, pid, psize, RIC_FLUSH_TLB); in radix__flush_tlb_page_psize()
945 _tlbiel_va_multicast(mm, vmaddr, pid, psize, RIC_FLUSH_TLB); in radix__flush_tlb_page_psize()
956 radix__flush_tlb_page_psize(vma->vm_mm, vmaddr, mmu_virtual_psize); in radix__flush_tlb_page()
981 * If kernel TLBIs ever become local rather than global, then
1004 #define TLB_FLUSH_ALL -1UL
1007 * Number of pages above which we invalidate the entire PID rather than
1008 * flush individual pages, for local and global flushes respectively.
1011 * It also does not iterate over sets like the local tlbiel variant when
1012 * invalidating a full PID, so it has a far lower threshold to change from
1013 * individual page flushes to full-pid flushes.
1021 unsigned long pid; in __radix__flush_tlb_range() local
1024 unsigned long nr_pages = (end - start) >> page_shift; in __radix__flush_tlb_range()
1028 pid = mm->context.id; in __radix__flush_tlb_range()
1029 if (WARN_ON_ONCE(pid == MMU_NO_CONTEXT)) in __radix__flush_tlb_range()
1045 * full pid flush already does the PWC flush. if it is not full pid in __radix__flush_tlb_range()
1049 if (!flush_pid && (end - start) >= PMD_SIZE) in __radix__flush_tlb_range()
1059 if (atomic_read(&mm->context.copros) > 0) in __radix__flush_tlb_range()
1063 pseries_rpt_invalidate(pid, tgt, type, pg_sizes, start, end); in __radix__flush_tlb_range()
1069 _tlbiel_pid(pid, RIC_FLUSH_ALL); in __radix__flush_tlb_range()
1072 _tlbie_pid(pid, RIC_FLUSH_ALL); in __radix__flush_tlb_range()
1074 _tlbiel_pid_multicast(mm, pid, RIC_FLUSH_ALL); in __radix__flush_tlb_range()
1081 hstart = (start + PMD_SIZE - 1) & PMD_MASK; in __radix__flush_tlb_range()
1089 __tlbiel_pid(pid, 0, RIC_FLUSH_PWC); in __radix__flush_tlb_range()
1090 __tlbiel_va_range(start, end, pid, page_size, mmu_virtual_psize); in __radix__flush_tlb_range()
1092 __tlbiel_va_range(hstart, hend, pid, in __radix__flush_tlb_range()
1098 __tlbie_pid(pid, RIC_FLUSH_PWC); in __radix__flush_tlb_range()
1099 __tlbie_va_range(start, end, pid, page_size, mmu_virtual_psize); in __radix__flush_tlb_range()
1101 __tlbie_va_range(hstart, hend, pid, in __radix__flush_tlb_range()
1106 start, end, pid, page_size, mmu_virtual_psize, flush_pwc); in __radix__flush_tlb_range()
1109 hstart, hend, pid, PMD_SIZE, MMU_PAGE_2M, flush_pwc); in __radix__flush_tlb_range()
1126 __radix__flush_tlb_range(vma->vm_mm, start, end); in radix__flush_tlb_range()
1141 return -1; in radix_get_mmu_psize()
1187 struct mm_struct *mm = tlb->mm; in radix__tlb_flush()
1188 int page_size = tlb->page_size; in radix__tlb_flush()
1189 unsigned long start = tlb->start; in radix__tlb_flush()
1190 unsigned long end = tlb->end; in radix__tlb_flush()
1199 if (tlb->fullmm) { in radix__tlb_flush()
1222 } else if ( (psize = radix_get_mmu_psize(page_size)) == -1) { in radix__tlb_flush()
1223 if (!tlb->freed_tables) in radix__tlb_flush()
1228 if (!tlb->freed_tables) in radix__tlb_flush()
1239 unsigned long pid; in __radix__flush_tlb_range_psize() local
1242 unsigned long nr_pages = (end - start) >> page_shift; in __radix__flush_tlb_range_psize()
1246 pid = mm->context.id; in __radix__flush_tlb_range_psize()
1247 if (WARN_ON_ONCE(pid == MMU_NO_CONTEXT)) in __radix__flush_tlb_range_psize()
1270 if (atomic_read(&mm->context.copros) > 0) in __radix__flush_tlb_range_psize()
1272 pseries_rpt_invalidate(pid, tgt, type, pg_sizes, start, end); in __radix__flush_tlb_range_psize()
1275 _tlbiel_pid(pid, also_pwc ? RIC_FLUSH_ALL : RIC_FLUSH_TLB); in __radix__flush_tlb_range_psize()
1281 _tlbie_pid(pid, in __radix__flush_tlb_range_psize()
1284 _tlbiel_pid_multicast(mm, pid, in __radix__flush_tlb_range_psize()
1291 _tlbiel_va_range(start, end, pid, page_size, psize, also_pwc); in __radix__flush_tlb_range_psize()
1293 _tlbie_va_range(start, end, pid, page_size, psize, also_pwc); in __radix__flush_tlb_range_psize()
1296 start, end, pid, page_size, psize, also_pwc); in __radix__flush_tlb_range_psize()
1318 unsigned long pid, end; in radix__flush_tlb_collapsed_pmd() local
1321 pid = mm->context.id; in radix__flush_tlb_collapsed_pmd()
1322 if (WARN_ON_ONCE(pid == MMU_NO_CONTEXT)) in radix__flush_tlb_collapsed_pmd()
1338 _tlbiel_va_range(addr, end, pid, PAGE_SIZE, mmu_virtual_psize, true); in radix__flush_tlb_collapsed_pmd()
1348 if (atomic_read(&mm->context.copros) > 0) in radix__flush_tlb_collapsed_pmd()
1350 pseries_rpt_invalidate(pid, tgt, type, pg_sizes, in radix__flush_tlb_collapsed_pmd()
1353 _tlbie_va_range(addr, end, pid, PAGE_SIZE, mmu_virtual_psize, true); in radix__flush_tlb_collapsed_pmd()
1356 addr, end, pid, PAGE_SIZE, mmu_virtual_psize, true); in radix__flush_tlb_collapsed_pmd()
1366 radix__flush_tlb_range_psize(vma->vm_mm, start, end, MMU_PAGE_2M); in radix__flush_pmd_tlb_range()
1373 radix__flush_tlb_range_psize(vma->vm_mm, start, end, MMU_PAGE_1G); in radix__flush_pud_tlb_range()
1385 rs = 1 & ((1UL << 32) - 1); /* any LPID value to flush guest mappings */ in radix__flush_tlb_all()
1402 static __always_inline void __tlbie_pid_lpid(unsigned long pid, in __tlbie_pid_lpid() argument
1409 rs = (pid << PPC_BITLSHIFT(31)) | (lpid & ~(PPC_BITMASK(0, 31))); in __tlbie_pid_lpid()
1418 static __always_inline void __tlbie_va_lpid(unsigned long va, unsigned long pid, in __tlbie_va_lpid() argument
1426 rs = (pid << PPC_BITLSHIFT(31)) | (lpid & ~(PPC_BITMASK(0, 31))); in __tlbie_va_lpid()
1435 static inline void fixup_tlbie_pid_lpid(unsigned long pid, unsigned long lpid) in fixup_tlbie_pid_lpid() argument
1441 unsigned long va = ((1UL << 52) - 1); in fixup_tlbie_pid_lpid()
1450 __tlbie_va_lpid(va, pid, lpid, mmu_get_ap(MMU_PAGE_64K), in fixup_tlbie_pid_lpid()
1455 static inline void _tlbie_pid_lpid(unsigned long pid, unsigned long lpid, in _tlbie_pid_lpid() argument
1462 * must be a compile-time contraint to match the "i" constraint in _tlbie_pid_lpid()
1467 __tlbie_pid_lpid(pid, lpid, RIC_FLUSH_TLB); in _tlbie_pid_lpid()
1468 fixup_tlbie_pid_lpid(pid, lpid); in _tlbie_pid_lpid()
1471 __tlbie_pid_lpid(pid, lpid, RIC_FLUSH_PWC); in _tlbie_pid_lpid()
1475 __tlbie_pid_lpid(pid, lpid, RIC_FLUSH_ALL); in _tlbie_pid_lpid()
1476 fixup_tlbie_pid_lpid(pid, lpid); in _tlbie_pid_lpid()
1482 unsigned long pid, in fixup_tlbie_va_range_lpid() argument
1493 __tlbie_va_lpid(va, pid, lpid, ap, RIC_FLUSH_TLB); in fixup_tlbie_va_range_lpid()
1498 unsigned long pid, unsigned long lpid, in __tlbie_va_range_lpid() argument
1506 __tlbie_va_lpid(addr, pid, lpid, ap, RIC_FLUSH_TLB); in __tlbie_va_range_lpid()
1508 fixup_tlbie_va_range_lpid(addr - page_size, pid, lpid, ap); in __tlbie_va_range_lpid()
1512 unsigned long pid, unsigned long lpid, in _tlbie_va_range_lpid() argument
1518 __tlbie_pid_lpid(pid, lpid, RIC_FLUSH_PWC); in _tlbie_va_range_lpid()
1519 __tlbie_va_range_lpid(start, end, pid, lpid, page_size, psize); in _tlbie_va_range_lpid()
1524 * Performs process-scoped invalidations for a given LPID
1527 void do_h_rpt_invalidate_prt(unsigned long pid, unsigned long lpid, in do_h_rpt_invalidate_prt() argument
1540 _tlbie_pid_lpid(pid, lpid, RIC_FLUSH_ALL); in do_h_rpt_invalidate_prt()
1545 _tlbie_pid_lpid(pid, lpid, RIC_FLUSH_PWC); in do_h_rpt_invalidate_prt()
1547 /* Full PID flush */ in do_h_rpt_invalidate_prt()
1548 if (start == 0 && end == -1) in do_h_rpt_invalidate_prt()
1549 return _tlbie_pid_lpid(pid, lpid, RIC_FLUSH_TLB); in do_h_rpt_invalidate_prt()
1554 if (!(pg_sizes & def->h_rpt_pgsize)) in do_h_rpt_invalidate_prt()
1557 nr_pages = (end - start) >> def->shift; in do_h_rpt_invalidate_prt()
1562 * the ceiling, convert the request into a full PID flush. in do_h_rpt_invalidate_prt()
1563 * And since PID flush takes out all the page sizes, there in do_h_rpt_invalidate_prt()
1567 _tlbie_pid_lpid(pid, lpid, RIC_FLUSH_TLB); in do_h_rpt_invalidate_prt()
1570 _tlbie_va_range_lpid(start, end, pid, lpid, in do_h_rpt_invalidate_prt()
1571 (1UL << def->shift), psize, false); in do_h_rpt_invalidate_prt()