diff options
| author | Isaku Yamahata <yamahata@valinux.co.jp> | 2008-05-19 22:13:42 +0900 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2008-05-27 15:10:41 -0700 |
| commit | 33b39e84209b0308b572dce017df7ee9b63f086c (patch) | |
| tree | e27bb8c44aa70b3172c9be846960baf7dbe98bd4 /include/asm-ia64/iosapic.h | |
| parent | e51835d58a5abdf82211f36f500f666ca7ef9aee (diff) | |
[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 <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64/iosapic.h')
| -rw-r--r-- | include/asm-ia64/iosapic.h | 18 |
1 files changed, 16 insertions, 2 deletions
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 <asm/paravirt.h> +#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); |