smp.h revision 91157
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 91157 2002-02-23 18:41:34Z jake $ 2780708Sjake */ 2880708Sjake 2980708Sjake#ifndef _MACHINE_SMP_H_ 3080708Sjake#define _MACHINE_SMP_H_ 3180708Sjake 3289051Sjake#define CPU_INITING 1 3389051Sjake#define CPU_INITED 2 3489051Sjake#define CPU_REJECT 3 3589051Sjake#define CPU_STARTING 4 3689051Sjake#define CPU_STARTED 5 3789051Sjake#define CPU_BOOTSTRAPING 6 3889051Sjake#define CPU_BOOTSTRAPPED 7 3989051Sjake 4089051Sjake#ifndef LOCORE 4189051Sjake 4291157Sjake#include <machine/intr_machdep.h> 4391157Sjake 4489051Sjake#define IDR_BUSY (1<<0) 4589051Sjake#define IDR_NACK (1<<1) 4689051Sjake 4789051Sjake#define IPI_AST PIL_AST 4889051Sjake#define IPI_RENDEZVOUS PIL_RENDEZVOUS 4989051Sjake#define IPI_STOP PIL_STOP 5089051Sjake 5189051Sjake#define IPI_RETRIES 100 5289051Sjake 5389051Sjakestruct cpu_start_args { 5489051Sjake u_int csa_mid; 5589051Sjake u_int csa_state; 5689051Sjake u_long csa_data; 5789051Sjake vm_offset_t csa_va; 5889051Sjake}; 5989051Sjake 6089051Sjakestruct ipi_level_args { 6189051Sjake u_int ila_count; 6289051Sjake u_int ila_level; 6389051Sjake}; 6489051Sjake 6589051Sjakestruct ipi_tlb_args { 6689051Sjake u_int ita_count; 6789051Sjake u_long ita_tlb; 6889051Sjake u_long ita_ctx; 6989051Sjake u_long ita_start; 7089051Sjake u_long ita_end; 7189051Sjake}; 7289051Sjake#define ita_va ita_start 7389051Sjake 7489051Sjakestruct pcpu; 7589051Sjake 7689051Sjakevoid cpu_mp_bootstrap(struct pcpu *pc); 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 8589425Sjakeextern struct ipi_level_args ipi_level_args; 8689425Sjakeextern struct ipi_tlb_args ipi_tlb_args; 8789051Sjake 8889051Sjakeextern int mp_ncpus; 8989051Sjake 9089051Sjakeextern char tl_ipi_level[]; 9189051Sjakeextern char tl_ipi_test[]; 9289051Sjakeextern char tl_ipi_tlb_context_demap[]; 9389051Sjakeextern char tl_ipi_tlb_page_demap[]; 9489051Sjakeextern char tl_ipi_tlb_range_demap[]; 9589051Sjake 9689051Sjake#ifdef SMP 9789051Sjake 9889051Sjakestatic __inline void * 9989051Sjakeipi_tlb_context_demap(u_int ctx) 10089051Sjake{ 10189051Sjake struct ipi_tlb_args *ita; 10289051Sjake 10389051Sjake if (mp_ncpus == 1) 10489051Sjake return (NULL); 10589051Sjake ita = &ipi_tlb_args; 10689051Sjake ita->ita_count = mp_ncpus; 10789051Sjake ita->ita_ctx = ctx; 10889051Sjake cpu_ipi_selected(PCPU_GET(other_cpus), 0, 10989051Sjake (u_long)tl_ipi_tlb_context_demap, (u_long)ita); 11089051Sjake return (&ita->ita_count); 11189051Sjake} 11289051Sjake 11389051Sjakestatic __inline void * 11489051Sjakeipi_tlb_page_demap(u_int tlb, u_int ctx, vm_offset_t va) 11589051Sjake{ 11689051Sjake struct ipi_tlb_args *ita; 11789051Sjake 11889051Sjake if (mp_ncpus == 1) 11989051Sjake return (NULL); 12089051Sjake ita = &ipi_tlb_args; 12189051Sjake ita->ita_count = mp_ncpus; 12289051Sjake ita->ita_tlb = tlb; 12389051Sjake ita->ita_ctx = ctx; 12489051Sjake ita->ita_va = va; 12589051Sjake cpu_ipi_selected(PCPU_GET(other_cpus), 0, 12689051Sjake (u_long)tl_ipi_tlb_page_demap, (u_long)ita); 12789051Sjake return (&ita->ita_count); 12889051Sjake} 12989051Sjake 13089051Sjakestatic __inline void * 13189051Sjakeipi_tlb_range_demap(u_int ctx, vm_offset_t start, vm_offset_t end) 13289051Sjake{ 13389051Sjake struct ipi_tlb_args *ita; 13489051Sjake 13589051Sjake if (mp_ncpus == 1) 13689051Sjake return (NULL); 13789051Sjake ita = &ipi_tlb_args; 13889051Sjake ita->ita_count = mp_ncpus; 13989051Sjake ita->ita_ctx = ctx; 14089051Sjake ita->ita_start = start; 14189051Sjake ita->ita_end = end; 14289051Sjake cpu_ipi_selected(PCPU_GET(other_cpus), 0, 14389051Sjake (u_long)tl_ipi_tlb_range_demap, (u_long)ita); 14489051Sjake return (&ita->ita_count); 14589051Sjake} 14689051Sjake 14789051Sjakestatic __inline void 14889051Sjakeipi_wait(void *cookie) 14989051Sjake{ 15089051Sjake u_int *count; 15189051Sjake 15289051Sjake if ((count = cookie) != NULL) { 15389051Sjake atomic_subtract_int(count, 1); 15489051Sjake while (*count != 0) 15589051Sjake membar(LoadStore); 15689051Sjake } 15789051Sjake} 15889051Sjake 15989051Sjake#else 16089051Sjake 16189051Sjakestatic __inline void * 16289051Sjakeipi_tlb_context_demap(u_int ctx) 16389051Sjake{ 16489051Sjake return (NULL); 16589051Sjake} 16689051Sjake 16789051Sjakestatic __inline void * 16889051Sjakeipi_tlb_page_demap(u_int tlb, u_int ctx, vm_offset_t va) 16989051Sjake{ 17089051Sjake return (NULL); 17189051Sjake} 17289051Sjake 17389051Sjakestatic __inline void * 17489051Sjakeipi_tlb_range_demap(u_int ctx, vm_offset_t start, vm_offset_t end) 17589051Sjake{ 17689051Sjake return (NULL); 17789051Sjake} 17889051Sjake 17989051Sjakestatic __inline void 18089051Sjakeipi_wait(void *cookie) 18189051Sjake{ 18289051Sjake} 18389051Sjake 18489051Sjake#endif /* SMP */ 18589051Sjake 18689051Sjake#endif /* !LOCORE */ 18789051Sjake 18880708Sjake#endif /* !_MACHINE_SMP_H_ */ 189