smp.h revision 152022
180708Sjake/*- 280708Sjake * Copyright (c) 2001 Jake Burkholder. 380708Sjake * All rights reserved. 480708Sjake * 580708Sjake * Redistribution and use in source and binary forms, with or without 680708Sjake * modification, are permitted provided that the following conditions 780708Sjake * are met: 880708Sjake * 1. Redistributions of source code must retain the above copyright 980708Sjake * notice, this list of conditions and the following disclaimer. 1080708Sjake * 2. Redistributions in binary form must reproduce the above copyright 1180708Sjake * notice, this list of conditions and the following disclaimer in the 1280708Sjake * documentation and/or other materials provided with the distribution. 1380708Sjake * 1481334Sobrien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1580708Sjake * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1680708Sjake * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1781334Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1880708Sjake * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1980708Sjake * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2080708Sjake * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2180708Sjake * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2280708Sjake * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2380708Sjake * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2480708Sjake * SUCH DAMAGE. 2580708Sjake * 2680708Sjake * $FreeBSD: head/sys/sparc64/include/smp.h 152022 2005-11-03 21:08:20Z jhb $ 2780708Sjake */ 2880708Sjake 2980708Sjake#ifndef _MACHINE_SMP_H_ 3080708Sjake#define _MACHINE_SMP_H_ 3180708Sjake 3291617Sjake#define CPU_CLKSYNC 1 3391617Sjake#define CPU_INIT 2 3491617Sjake#define CPU_BOOTSTRAP 3 3589051Sjake 3689051Sjake#ifndef LOCORE 3789051Sjake 3891157Sjake#include <machine/intr_machdep.h> 3991617Sjake#include <machine/tte.h> 4091157Sjake 4189051Sjake#define IDR_BUSY (1<<0) 4289051Sjake#define IDR_NACK (1<<1) 4389051Sjake 4489051Sjake#define IPI_AST PIL_AST 4589051Sjake#define IPI_RENDEZVOUS PIL_RENDEZVOUS 4689051Sjake#define IPI_STOP PIL_STOP 4789051Sjake 48135943Skensmith#define IPI_RETRIES 5000 4989051Sjake 5089051Sjakestruct cpu_start_args { 5191783Sjake u_int csa_count; 5289051Sjake u_int csa_mid; 5389051Sjake u_int csa_state; 5491783Sjake vm_offset_t csa_pcpu; 5591617Sjake u_long csa_tick; 5691617Sjake u_long csa_ver; 5791617Sjake struct tte csa_ttes[PCPU_PAGES]; 5889051Sjake}; 5989051Sjake 6097001Sjakestruct ipi_cache_args { 6197001Sjake u_int ica_mask; 62113238Sjake vm_paddr_t ica_pa; 6397001Sjake}; 6497001Sjake 6589051Sjakestruct ipi_tlb_args { 6692199Sjake u_int ita_mask; 6791783Sjake struct pmap *ita_pmap; 6889051Sjake u_long ita_start; 6989051Sjake u_long ita_end; 7089051Sjake}; 7189051Sjake#define ita_va ita_start 7289051Sjake 7389051Sjakestruct pcpu; 7489051Sjake 75152022Sjhbextern struct pcb stoppcbs[]; 76152022Sjhb 7789051Sjakevoid cpu_mp_bootstrap(struct pcpu *pc); 7892199Sjakevoid cpu_mp_shutdown(void); 7989051Sjake 8089051Sjakevoid cpu_ipi_selected(u_int cpus, u_long d0, u_long d1, u_long d2); 8189051Sjakevoid cpu_ipi_send(u_int mid, u_long d0, u_long d1, u_long d2); 8289051Sjake 8389051Sjakevoid ipi_selected(u_int cpus, u_int ipi); 8489051Sjakevoid ipi_all(u_int ipi); 8589051Sjakevoid ipi_all_but_self(u_int ipi); 8689051Sjake 8791617Sjakevm_offset_t mp_tramp_alloc(void); 8891617Sjake 89108187Sjakeextern struct mtx ipi_mtx; 90108187Sjakeextern struct ipi_cache_args ipi_cache_args; 91108187Sjakeextern struct ipi_tlb_args ipi_tlb_args; 9289051Sjake 9391617Sjakeextern vm_offset_t mp_tramp; 9491617Sjakeextern char *mp_tramp_code; 9591617Sjakeextern u_long mp_tramp_code_len; 9691617Sjakeextern u_long mp_tramp_tlb_slots; 9791617Sjakeextern u_long mp_tramp_func; 9891617Sjake 9991617Sjakeextern void mp_startup(void); 10091617Sjake 101112399Sjakeextern char tl_ipi_cheetah_dcache_page_inval[]; 102112399Sjakeextern char tl_ipi_spitfire_dcache_page_inval[]; 103112399Sjakeextern char tl_ipi_spitfire_icache_page_inval[]; 104112399Sjake 10589051Sjakeextern char tl_ipi_level[]; 10689051Sjakeextern char tl_ipi_tlb_context_demap[]; 10789051Sjakeextern char tl_ipi_tlb_page_demap[]; 10889051Sjakeextern char tl_ipi_tlb_range_demap[]; 10989051Sjake 11089051Sjake#ifdef SMP 11189051Sjake 112108187Sjake#if defined(_MACHINE_PMAP_H_) && defined(_SYS_MUTEX_H_) 113108187Sjake 11497001Sjakestatic __inline void * 115113238Sjakeipi_dcache_page_inval(void *func, vm_paddr_t pa) 11697001Sjake{ 11797001Sjake struct ipi_cache_args *ica; 11897001Sjake 11997001Sjake if (smp_cpus == 1) 12097001Sjake return (NULL); 12197001Sjake ica = &ipi_cache_args; 122108187Sjake mtx_lock_spin(&ipi_mtx); 12397001Sjake ica->ica_mask = all_cpus; 12497001Sjake ica->ica_pa = pa; 125112399Sjake cpu_ipi_selected(PCPU_GET(other_cpus), 0, (u_long)func, (u_long)ica); 12697001Sjake return (&ica->ica_mask); 12797001Sjake} 12897001Sjake 12997001Sjakestatic __inline void * 130113238Sjakeipi_icache_page_inval(void *func, vm_paddr_t pa) 13197001Sjake{ 13297001Sjake struct ipi_cache_args *ica; 13397001Sjake 13497001Sjake if (smp_cpus == 1) 13597001Sjake return (NULL); 13697001Sjake ica = &ipi_cache_args; 137108187Sjake mtx_lock_spin(&ipi_mtx); 13897001Sjake ica->ica_mask = all_cpus; 13997001Sjake ica->ica_pa = pa; 140112399Sjake cpu_ipi_selected(PCPU_GET(other_cpus), 0, (u_long)func, (u_long)ica); 14197001Sjake return (&ica->ica_mask); 14297001Sjake} 14397001Sjake 14489051Sjakestatic __inline void * 14591783Sjakeipi_tlb_context_demap(struct pmap *pm) 14689051Sjake{ 14789051Sjake struct ipi_tlb_args *ita; 14891783Sjake u_int cpus; 14989051Sjake 15091783Sjake if (smp_cpus == 1) 15189051Sjake return (NULL); 15291783Sjake if ((cpus = (pm->pm_active & PCPU_GET(other_cpus))) == 0) 15391783Sjake return (NULL); 15489051Sjake ita = &ipi_tlb_args; 155108187Sjake mtx_lock_spin(&ipi_mtx); 15692199Sjake ita->ita_mask = cpus | PCPU_GET(cpumask); 15791783Sjake ita->ita_pmap = pm; 15891783Sjake cpu_ipi_selected(cpus, 0, (u_long)tl_ipi_tlb_context_demap, 15991783Sjake (u_long)ita); 16092199Sjake return (&ita->ita_mask); 16189051Sjake} 16289051Sjake 16389051Sjakestatic __inline void * 164100718Sjakeipi_tlb_page_demap(struct pmap *pm, vm_offset_t va) 16589051Sjake{ 16689051Sjake struct ipi_tlb_args *ita; 16791783Sjake u_int cpus; 16889051Sjake 16991783Sjake if (smp_cpus == 1) 17089051Sjake return (NULL); 17191783Sjake if ((cpus = (pm->pm_active & PCPU_GET(other_cpus))) == 0) 17291783Sjake return (NULL); 17389051Sjake ita = &ipi_tlb_args; 174108187Sjake mtx_lock_spin(&ipi_mtx); 17592199Sjake ita->ita_mask = cpus | PCPU_GET(cpumask); 17691783Sjake ita->ita_pmap = pm; 17789051Sjake ita->ita_va = va; 17891783Sjake cpu_ipi_selected(cpus, 0, (u_long)tl_ipi_tlb_page_demap, (u_long)ita); 17992199Sjake return (&ita->ita_mask); 18089051Sjake} 18189051Sjake 18289051Sjakestatic __inline void * 18391783Sjakeipi_tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end) 18489051Sjake{ 18589051Sjake struct ipi_tlb_args *ita; 18691783Sjake u_int cpus; 18789051Sjake 18891783Sjake if (smp_cpus == 1) 18989051Sjake return (NULL); 19091783Sjake if ((cpus = (pm->pm_active & PCPU_GET(other_cpus))) == 0) 19191783Sjake return (NULL); 19289051Sjake ita = &ipi_tlb_args; 193108187Sjake mtx_lock_spin(&ipi_mtx); 19492199Sjake ita->ita_mask = cpus | PCPU_GET(cpumask); 19591783Sjake ita->ita_pmap = pm; 19689051Sjake ita->ita_start = start; 19789051Sjake ita->ita_end = end; 19891783Sjake cpu_ipi_selected(cpus, 0, (u_long)tl_ipi_tlb_range_demap, (u_long)ita); 19992199Sjake return (&ita->ita_mask); 20089051Sjake} 20189051Sjake 20289051Sjakestatic __inline void 20389051Sjakeipi_wait(void *cookie) 20489051Sjake{ 205143190Salc volatile u_int *mask; 20689051Sjake 20792199Sjake if ((mask = cookie) != NULL) { 20892199Sjake atomic_clear_int(mask, PCPU_GET(cpumask)); 20992199Sjake while (*mask != 0) 21091617Sjake ; 211108187Sjake mtx_unlock_spin(&ipi_mtx); 21289051Sjake } 21389051Sjake} 21489051Sjake 215108187Sjake#endif /* _MACHINE_PMAP_H_ && _SYS_MUTEX_H_ */ 21691783Sjake 21789051Sjake#else 21889051Sjake 21989051Sjakestatic __inline void * 220113238Sjakeipi_dcache_page_inval(void *func, vm_paddr_t pa) 22197001Sjake{ 22297001Sjake return (NULL); 22397001Sjake} 22497001Sjake 22597001Sjakestatic __inline void * 226113238Sjakeipi_icache_page_inval(void *func, vm_paddr_t pa) 22797001Sjake{ 22897001Sjake return (NULL); 22997001Sjake} 23097001Sjake 23197001Sjakestatic __inline void * 23291783Sjakeipi_tlb_context_demap(struct pmap *pm) 23389051Sjake{ 23489051Sjake return (NULL); 23589051Sjake} 23689051Sjake 23789051Sjakestatic __inline void * 238100718Sjakeipi_tlb_page_demap(struct pmap *pm, vm_offset_t va) 23989051Sjake{ 24089051Sjake return (NULL); 24189051Sjake} 24289051Sjake 24389051Sjakestatic __inline void * 24491783Sjakeipi_tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end) 24589051Sjake{ 24689051Sjake return (NULL); 24789051Sjake} 24889051Sjake 24989051Sjakestatic __inline void 25089051Sjakeipi_wait(void *cookie) 25189051Sjake{ 25289051Sjake} 25389051Sjake 25489051Sjake#endif /* SMP */ 25589051Sjake 25689051Sjake#endif /* !LOCORE */ 25789051Sjake 25880708Sjake#endif /* !_MACHINE_SMP_H_ */ 259