| 1 | /* |
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| 2 | * This program is free software; you can redistribute it and/or modify |
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| 3 | * it under the terms of the GNU General Public License as published by |
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| 4 | * the Free Software Foundation; either version 2 of the License, or |
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| 5 | * (at your option) any later version. |
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| 6 | * |
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| 7 | * This program is distributed in the hope that it will be useful, |
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| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 10 | * GNU General Public License for more details. |
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| 11 | * |
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| 12 | * You should have received a copy of the GNU General Public License |
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| 13 | * along with this program; if not, write to the Free Software |
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| 14 | * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 15 | * |
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| 16 | * Copyright (C) IBM Corp. 2005 |
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| 17 | * |
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| 18 | * Authors: Hollis Blanchard <hollisb@us.ibm.com> |
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| 19 | */ |
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| 20 | |
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| 21 | #ifndef _ASM_SMP_H |
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| 22 | #define _ASM_SMP_H |
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| 23 | |
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| 24 | #include <xen/types.h> |
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| 25 | #include <xen/cpumask.h> |
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| 26 | #include <xen/init.h> |
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| 27 | #include <asm/current.h> |
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| 28 | |
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| 29 | /* crap to make x86 "common code" happy */ |
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| 30 | #define BAD_APICID 0xFFu |
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| 31 | extern u8 x86_cpu_to_apicid[]; |
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| 32 | |
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| 33 | |
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| 34 | extern int smp_num_siblings; |
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| 35 | |
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| 36 | /* revisit when we support SMP */ |
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| 37 | #define raw_smp_processor_id() (parea->whoami) |
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| 38 | #define get_hard_smp_processor_id(i) (global_cpu_table[i]->hard_id) |
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| 39 | #define hard_smp_processor_id() (parea->hard_id) |
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| 40 | extern cpumask_t cpu_sibling_map[]; |
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| 41 | extern cpumask_t cpu_core_map[]; |
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| 42 | extern void __devinit smp_generic_take_timebase(void); |
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| 43 | extern void __devinit smp_generic_give_timebase(void); |
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| 44 | |
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| 45 | #define SA_INTERRUPT 0x20000000u |
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| 46 | typedef int irqreturn_t; |
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| 47 | extern int request_irq(unsigned int irq, |
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| 48 | irqreturn_t (*handler)(int, void *, struct cpu_user_regs *), |
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| 49 | unsigned long irqflags, const char * devname, void *dev_id); |
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| 50 | void smp_message_recv(int msg, struct cpu_user_regs *regs); |
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| 51 | void smp_call_function_interrupt(struct cpu_user_regs *regs); |
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| 52 | void smp_event_check_interrupt(void); |
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| 53 | void send_IPI_mask(cpumask_t mask, int vector); |
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| 54 | |
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| 55 | #undef DEBUG_IPI |
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| 56 | #ifdef DEBUG_IPI |
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| 57 | void ipi_torture_test(void); |
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| 58 | #endif |
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| 59 | |
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| 60 | #endif |
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