diff options
| author | Isaku Yamahata <yamahata@valinux.co.jp> | 2008-10-17 11:17:54 +0900 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2008-10-17 10:00:19 -0700 |
| commit | f021c8b334cc00739b5d43b5be5f97a34b1ad16a (patch) | |
| tree | c048aff2354a3b701adc458d464adbd4e40d7120 /arch/ia64/include/asm/xen/xencomm.h | |
| parent | 11d437789d0f35fa2e2ebcb4a983b29587bdfdc5 (diff) | |
ia64/xen: xencomm conversion functions for hypercalls
On ia64/xen, pointer arguments for hypercall is passed
by pseudo physical address(guest physical address.)
So such hypercalls needs address conversion functions.
This patch implements concrete conversion functions for
such hypercalls.
Signed-off-by: Akio Takebe <takebe_akio@jp.fujitsu.com>
Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/include/asm/xen/xencomm.h')
| -rw-r--r-- | arch/ia64/include/asm/xen/xencomm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/xen/xencomm.h b/arch/ia64/include/asm/xen/xencomm.h index 28732cd931c..cded677bebf 100644 --- a/arch/ia64/include/asm/xen/xencomm.h +++ b/arch/ia64/include/asm/xen/xencomm.h @@ -24,6 +24,7 @@ /* Must be called before any hypercall. */ extern void xencomm_initialize(void); +extern int xencomm_is_initialized(void); /* Check if virtual contiguity means physical contiguity * where the passed address is a pointer value in virtual address. |