smp.h revision 100718
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 100718 2002-07-26 15:54:04Z jake $ 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 4889051Sjake#define IPI_RETRIES 100 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; 6297001Sjake u_long 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 7589051Sjakevoid cpu_mp_bootstrap(struct pcpu *pc); 7692199Sjakevoid cpu_mp_shutdown(void); 7789051Sjake 7889051Sjakevoid cpu_ipi_selected(u_int cpus, u_long d0, u_long d1, u_long d2); 7989051Sjakevoid cpu_ipi_send(u_int mid, u_long d0, u_long d1, u_long d2); 8089051Sjake 8189051Sjakevoid ipi_selected(u_int cpus, u_int ipi); 8289051Sjakevoid ipi_all(u_int ipi); 8389051Sjakevoid ipi_all_but_self(u_int ipi); 8489051Sjake 8591617Sjakevm_offset_t mp_tramp_alloc(void); 8691617Sjake 8797001Sjakeextern struct ipi_cache_args ipi_cache_args; 8889425Sjakeextern struct ipi_level_args ipi_level_args; 8989425Sjakeextern struct ipi_tlb_args ipi_tlb_args; 9089051Sjake 9191617Sjakeextern vm_offset_t mp_tramp; 9291617Sjakeextern char *mp_tramp_code; 9391617Sjakeextern u_long mp_tramp_code_len; 9491617Sjakeextern u_long mp_tramp_tlb_slots; 9591617Sjakeextern u_long mp_tramp_func; 9691617Sjake 9791617Sjakeextern void mp_startup(void); 9891617Sjake 9997001Sjakeextern char tl_ipi_dcache_page_inval[]; 10097001Sjakeextern char tl_ipi_icache_page_inval[]; 10189051Sjakeextern char tl_ipi_level[]; 10289051Sjakeextern char tl_ipi_tlb_context_demap[]; 10389051Sjakeextern char tl_ipi_tlb_page_demap[]; 10489051Sjakeextern char tl_ipi_tlb_range_demap[]; 10589051Sjake 10689051Sjake#ifdef SMP 10789051Sjake 10897001Sjakestatic __inline void * 10997001Sjakeipi_dcache_page_inval(vm_offset_t pa) 11097001Sjake{ 11197001Sjake struct ipi_cache_args *ica; 11297001Sjake 11397001Sjake if (smp_cpus == 1) 11497001Sjake return (NULL); 11597001Sjake ica = &ipi_cache_args; 11697001Sjake ica->ica_mask = all_cpus; 11797001Sjake ica->ica_pa = pa; 11899879Stmm cpu_ipi_selected(PCPU_GET(other_cpus), 0, 11999879Stmm (u_long)tl_ipi_dcache_page_inval, (u_long)ica); 12097001Sjake return (&ica->ica_mask); 12197001Sjake} 12297001Sjake 12397001Sjakestatic __inline void * 12497001Sjakeipi_icache_page_inval(vm_offset_t pa) 12597001Sjake{ 12697001Sjake struct ipi_cache_args *ica; 12797001Sjake 12897001Sjake if (smp_cpus == 1) 12997001Sjake return (NULL); 13097001Sjake ica = &ipi_cache_args; 13197001Sjake ica->ica_mask = all_cpus; 13297001Sjake ica->ica_pa = pa; 13399879Stmm cpu_ipi_selected(PCPU_GET(other_cpus), 0, 13499879Stmm (u_long)tl_ipi_icache_page_inval, (u_long)ica); 13597001Sjake return (&ica->ica_mask); 13697001Sjake} 13797001Sjake 13891783Sjake#ifdef _MACHINE_PMAP_H_ 13991783Sjake 14089051Sjakestatic __inline void * 14191783Sjakeipi_tlb_context_demap(struct pmap *pm) 14289051Sjake{ 14389051Sjake struct ipi_tlb_args *ita; 14491783Sjake u_int cpus; 14589051Sjake 14691783Sjake if (smp_cpus == 1) 14789051Sjake return (NULL); 14891783Sjake if ((cpus = (pm->pm_active & PCPU_GET(other_cpus))) == 0) 14991783Sjake return (NULL); 15089051Sjake ita = &ipi_tlb_args; 15192199Sjake ita->ita_mask = cpus | PCPU_GET(cpumask); 15291783Sjake ita->ita_pmap = pm; 15391783Sjake cpu_ipi_selected(cpus, 0, (u_long)tl_ipi_tlb_context_demap, 15491783Sjake (u_long)ita); 15592199Sjake return (&ita->ita_mask); 15689051Sjake} 15789051Sjake 15889051Sjakestatic __inline void * 159100718Sjakeipi_tlb_page_demap(struct pmap *pm, vm_offset_t va) 16089051Sjake{ 16189051Sjake struct ipi_tlb_args *ita; 16291783Sjake u_int cpus; 16389051Sjake 16491783Sjake if (smp_cpus == 1) 16589051Sjake return (NULL); 16691783Sjake if ((cpus = (pm->pm_active & PCPU_GET(other_cpus))) == 0) 16791783Sjake return (NULL); 16889051Sjake ita = &ipi_tlb_args; 16992199Sjake ita->ita_mask = cpus | PCPU_GET(cpumask); 17091783Sjake ita->ita_pmap = pm; 17189051Sjake ita->ita_va = va; 17291783Sjake cpu_ipi_selected(cpus, 0, (u_long)tl_ipi_tlb_page_demap, (u_long)ita); 17392199Sjake return (&ita->ita_mask); 17489051Sjake} 17589051Sjake 17689051Sjakestatic __inline void * 17791783Sjakeipi_tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end) 17889051Sjake{ 17989051Sjake struct ipi_tlb_args *ita; 18091783Sjake u_int cpus; 18189051Sjake 18291783Sjake if (smp_cpus == 1) 18389051Sjake return (NULL); 18491783Sjake if ((cpus = (pm->pm_active & PCPU_GET(other_cpus))) == 0) 18591783Sjake return (NULL); 18689051Sjake ita = &ipi_tlb_args; 18792199Sjake ita->ita_mask = cpus | PCPU_GET(cpumask); 18891783Sjake ita->ita_pmap = pm; 18989051Sjake ita->ita_start = start; 19089051Sjake ita->ita_end = end; 19191783Sjake cpu_ipi_selected(cpus, 0, (u_long)tl_ipi_tlb_range_demap, (u_long)ita); 19292199Sjake return (&ita->ita_mask); 19389051Sjake} 19489051Sjake 19589051Sjakestatic __inline void 19689051Sjakeipi_wait(void *cookie) 19789051Sjake{ 19892199Sjake u_int *volatile mask; 19989051Sjake 20092199Sjake if ((mask = cookie) != NULL) { 20192199Sjake atomic_clear_int(mask, PCPU_GET(cpumask)); 20292199Sjake while (*mask != 0) 20391617Sjake ; 20489051Sjake } 20589051Sjake} 20689051Sjake 20791783Sjake#endif 20891783Sjake 20989051Sjake#else 21089051Sjake 21189051Sjakestatic __inline void * 21297001Sjakeipi_dcache_page_inval(vm_offset_t pa) 21397001Sjake{ 21497001Sjake return (NULL); 21597001Sjake} 21697001Sjake 21797001Sjakestatic __inline void * 21897001Sjakeipi_icache_page_inval(vm_offset_t pa) 21997001Sjake{ 22097001Sjake return (NULL); 22197001Sjake} 22297001Sjake 22397001Sjakestatic __inline void * 22491783Sjakeipi_tlb_context_demap(struct pmap *pm) 22589051Sjake{ 22689051Sjake return (NULL); 22789051Sjake} 22889051Sjake 22989051Sjakestatic __inline void * 230100718Sjakeipi_tlb_page_demap(struct pmap *pm, vm_offset_t va) 23189051Sjake{ 23289051Sjake return (NULL); 23389051Sjake} 23489051Sjake 23589051Sjakestatic __inline void * 23691783Sjakeipi_tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end) 23789051Sjake{ 23889051Sjake return (NULL); 23989051Sjake} 24089051Sjake 24189051Sjakestatic __inline void 24289051Sjakeipi_wait(void *cookie) 24389051Sjake{ 24489051Sjake} 24589051Sjake 24689051Sjake#endif /* SMP */ 24789051Sjake 24889051Sjake#endif /* !LOCORE */ 24989051Sjake 25080708Sjake#endif /* !_MACHINE_SMP_H_ */ 251