Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx> --- arch/ia64/kernel/Makefile | 2 + arch/ia64/kernel/paravirt.c | 34 ++++++++++++++++++++++++ include/asm-ia64/paravirt.h | 61 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 97 insertions(+), 0 deletions(-) create mode 100644 arch/ia64/kernel/paravirt.c create mode 100644 include/asm-ia64/paravirt.h diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile index 185e0e2..7849bc3 100644 --- a/arch/ia64/kernel/Makefile +++ b/arch/ia64/kernel/Makefile @@ -41,6 +41,8 @@ obj-$(CONFIG_PARAVIRT_ALT) += paravirt_alt.o obj-$(CONFIG_PARAVIRT_ENTRY) += paravirt_entry.o paravirtentry.o obj-$(CONFIG_PARAVIRT_NOP_B_PATCH) += paravirt_nop.o +obj-$(CONFIG_PARAVIRT_GUEST) += paravirt.o + obj-$(CONFIG_IA64_ESI) += esi.o ifneq ($(CONFIG_IA64_ESI),) obj-y += esi_stub.o # must be in kernel proper diff --git a/arch/ia64/kernel/paravirt.c b/arch/ia64/kernel/paravirt.c new file mode 100644 index 0000000..b31fa91 --- /dev/null +++ b/arch/ia64/kernel/paravirt.c @@ -0,0 +1,34 @@ +/****************************************************************************** + * arch/ia64/kernel/paravirt.c + * + * Copyright (c) 2006 Isaku Yamahata <yamahata at valinux co jp> + * VA Linux Systems Japan K.K. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/init.h> + +#include <asm/paravirt.h> + +/*************************************************************************** + * general info + */ +struct pv_info pv_info = { + .kernel_rpl = 0, + .paravirt_enabled = 0, + .name = "bare hardware" +}; diff --git a/include/asm-ia64/paravirt.h b/include/asm-ia64/paravirt.h new file mode 100644 index 0000000..c2d4809 --- /dev/null +++ b/include/asm-ia64/paravirt.h @@ -0,0 +1,61 @@ +/****************************************************************************** + * include/asm-ia64/paravirt.h + * + * Copyright (c) 2006 Isaku Yamahata <yamahata at valinux co jp> + * VA Linux Systems Japan K.K. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + + +#ifndef __ASM_PARAVIRT_H +#define __ASM_PARAVIRT_H + +#ifdef CONFIG_PARAVIRT_GUEST + +#ifndef __ASSEMBLY__ + +/****************************************************************************** + * general info + */ +struct pv_info { + unsigned int kernel_rpl; + int paravirt_enabled; + const char *name; +}; + +extern struct pv_info pv_info; + +static inline int paravirt_enabled(void) +{ + return pv_info.paravirt_enabled; +} + +static inline unsigned int get_kernel_rpl(void) +{ + return pv_info.kernel_rpl; +} + +#endif /* __ASSEMBLY__ */ + +#else +/* fallback for native case */ + +/* XXX: TODO */ + +#endif /* CONFIG_PARAVIRT_GUEST */ + +#endif /* __ASM_PARAVIRT_H */ -- 1.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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