[IA64] pvops: introduce pv_info which describes some random info. (90aeb169) · Commits · e / devices / android_kernel_fairphone_FP4

arch/ia64/kernel/Makefile

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -36,6 +36,8 @@ obj-$(CONFIG_PCI_MSI) += msi_ia64.o
	mca_recovery-y += mca_drv.o mca_drv_asm.o		mca_recovery-y += mca_drv.o mca_drv_asm.o
	obj-$(CONFIG_IA64_MC_ERR_INJECT)+= err_inject.o		obj-$(CONFIG_IA64_MC_ERR_INJECT)+= err_inject.o

			obj-$(CONFIG_PARAVIRT) += paravirt.o

	obj-$(CONFIG_IA64_ESI) += esi.o		obj-$(CONFIG_IA64_ESI) += esi.o
	ifneq ($(CONFIG_IA64_ESI),)		ifneq ($(CONFIG_IA64_ESI),)
	obj-y += esi_stub.o # must be in kernel proper		obj-y += esi_stub.o # must be in kernel proper

arch/ia64/kernel/paravirt.c

0 → 100644

+41 −0

Original line number	Original line	Diff line number	Diff line
			/******************************************************************************
			* arch/ia64/kernel/paravirt.c
			*
			* Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
			* VA Linux Systems Japan K.K.
			* Yaozu (Eddie) Dong <eddie.dong@intel.com>
			*
			* 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 <linux/compiler.h>
			#include <linux/io.h>
			#include <linux/irq.h>
			#include <linux/types.h>

			#include <asm/iosapic.h>
			#include <asm/paravirt.h>

			/***************************************************************************
			* general info
			*/
			struct pv_info pv_info = {
			.kernel_rpl = 0,
			.paravirt_enabled = 0,
			.name = "bare hardware"
			};

include/asm-ia64/paravirt.h

0 → 100644

+62 −0

Original line number	Original line	Diff line number	Diff line
			/******************************************************************************
			* include/asm-ia64/paravirt.h
			*
			* Copyright (c) 2008 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__

			#include <asm/hw_irq.h>
			#include <asm/meminit.h>

			/******************************************************************************
			* 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 */

			#endif /* CONFIG_PARAVIRT_GUEST */

			#endif /* __ASM_PARAVIRT_H */