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| author | Stefano Stabellini | 2012-04-17 18:56:51 +0200 |
|---|---|---|
| committer | Stefano Stabellini | 2012-04-17 20:04:42 +0200 |
| commit | 4c9f8d1b4eb0e1a7e69df6373e9c2d40a929494d (patch) | |
| tree | c78b0b193fafc9d37c7765350a9aabea084602be /hw/xen.h | |
| parent | xen,configure: detect Xen 4.2 (diff) | |
| download | qemu-4c9f8d1b4eb0e1a7e69df6373e9c2d40a929494d.tar.gz qemu-4c9f8d1b4eb0e1a7e69df6373e9c2d40a929494d.tar.xz qemu-4c9f8d1b4eb0e1a7e69df6373e9c2d40a929494d.zip | |
xen: add a dummy xc_hvm_inject_msi for Xen < 4.2
xc_hvm_inject_msi is only available on Xen >= 4.2: add a dummy
compatibility function for Xen < 4.2.
Also enable msi support only on Xen >= 4.2.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Diffstat (limited to 'hw/xen.h')
| -rw-r--r-- | hw/xen.h | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -57,4 +57,14 @@ void xen_register_framebuffer(struct MemoryRegion *mr); # define HVM_MAX_VCPUS 32 #endif +static inline int xen_msi_support(void) +{ +#if defined(CONFIG_XEN_CTRL_INTERFACE_VERSION) \ + && CONFIG_XEN_CTRL_INTERFACE_VERSION >= 420 + return xen_enabled(); +#else + return 0; +#endif +} + #endif /* QEMU_HW_XEN_H */ |