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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-08-19 13:16:17 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-20 12:40:07 +0200 |
| commit | 6e833587e11ed0dbf12e647127f2650e2f80b26d (patch) | |
| tree | 7ba3d76705547ed1377f87694e0b0e4391fe0015 /include/asm-x86 | |
| parent | 170465ee7f5a9a2d0ac71285507e52642e040353 (diff) | |
| download | talos-op-linux-6e833587e11ed0dbf12e647127f2650e2f80b26d.tar.gz talos-op-linux-6e833587e11ed0dbf12e647127f2650e2f80b26d.zip | |
xen: clean up domain mode predicates
There are four operating modes Xen code may find itself running in:
- native
- hvm domain
- pv dom0
- pv domU
Clean up predicates for testing for these states to make them more consistent.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Xen-devel <xen-devel@lists.xensource.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86')
| -rw-r--r-- | include/asm-x86/xen/hypervisor.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/asm-x86/xen/hypervisor.h b/include/asm-x86/xen/hypervisor.h index 8e15dd28c91f..d9dd28caa508 100644 --- a/include/asm-x86/xen/hypervisor.h +++ b/include/asm-x86/xen/hypervisor.h @@ -55,7 +55,6 @@ /* arch/i386/kernel/setup.c */ extern struct shared_info *HYPERVISOR_shared_info; extern struct start_info *xen_start_info; -#define is_initial_xendomain() (xen_start_info->flags & SIF_INITDOMAIN) /* arch/i386/mach-xen/evtchn.c */ /* Force a proper event-channel callback from Xen. */ @@ -68,6 +67,17 @@ u64 jiffies_to_st(unsigned long jiffies); #define MULTI_UVMFLAGS_INDEX 3 #define MULTI_UVMDOMID_INDEX 4 -#define is_running_on_xen() (xen_start_info ? 1 : 0) +enum xen_domain_type { + XEN_NATIVE, + XEN_PV_DOMAIN, + XEN_HVM_DOMAIN, +}; + +extern enum xen_domain_type xen_domain_type; + +#define xen_domain() (xen_domain_type != XEN_NATIVE) +#define xen_pv_domain() (xen_domain_type == XEN_PV_DOMAIN) +#define xen_initial_domain() (xen_pv_domain() && xen_start_info->flags & SIF_INITDOMAIN) +#define xen_hvm_domain() (xen_domain_type == XEN_HVM_DOMAIN) #endif /* __HYPERVISOR_H__ */ |
