From 33b39e84209b0308b572dce017df7ee9b63f086c Mon Sep 17 00:00:00 2001 From: Isaku Yamahata Date: Mon, 19 May 2008 22:13:42 +0900 Subject: [IA64] pvops: add hooks, pv_iosapic_ops, to paravirtualize iosapic. add hooks to paravirtualize iosapic which is a real hardware resource. On virtualized environment it may be replaced something virtualized friendly. Define pv_iosapic_ops and add the hooks. Signed-off-by: Isaku Yamahata Signed-off-by: Tony Luck --- include/asm-ia64/iosapic.h | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) (limited to 'include/asm-ia64/iosapic.h') diff --git a/include/asm-ia64/iosapic.h b/include/asm-ia64/iosapic.h index a3a4288daae..b9c102e15f2 100644 --- a/include/asm-ia64/iosapic.h +++ b/include/asm-ia64/iosapic.h @@ -55,13 +55,27 @@ #define NR_IOSAPICS 256 -static inline unsigned int __iosapic_read(char __iomem *iosapic, unsigned int reg) +#ifdef CONFIG_PARAVIRT_GUEST +#include +#else +#define iosapic_pcat_compat_init ia64_native_iosapic_pcat_compat_init +#define __iosapic_read __ia64_native_iosapic_read +#define __iosapic_write __ia64_native_iosapic_write +#define iosapic_get_irq_chip ia64_native_iosapic_get_irq_chip +#endif + +extern void __init ia64_native_iosapic_pcat_compat_init(void); +extern struct irq_chip *ia64_native_iosapic_get_irq_chip(unsigned long trigger); + +static inline unsigned int +__ia64_native_iosapic_read(char __iomem *iosapic, unsigned int reg) { writel(reg, iosapic + IOSAPIC_REG_SELECT); return readl(iosapic + IOSAPIC_WINDOW); } -static inline void __iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val) +static inline void +__ia64_native_iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val) { writel(reg, iosapic + IOSAPIC_REG_SELECT); writel(val, iosapic + IOSAPIC_WINDOW); -- cgit v1.2.3