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authorJan Beulich <jbeulich@suse.com>2022-01-04 09:46:06 +0100
committerJuergen Gross <jgross@suse.com>2022-01-06 08:55:34 +0100
commit335e4dd67b480c8fa571ea7e71af0d22047fcfb7 (patch)
treef45ddde82aba0c0706a245d11ea0152d7c72e082 /include/xen
parentce2f46f3531a03781181b7f4bd1ff9f8c5086e7e (diff)
xen/x86: obtain upper 32 bits of video frame buffer address for Dom0
The hypervisor has been supplying this information for a couple of major releases. Make use of it. The need to set a flag in the capabilities field also points out that the prior setting of that field from the hypervisor interface's gbl_caps one was wrong, so that code gets deleted (there's also no equivalent of this in native boot code). Signed-off-by: Jan Beulich <jbeulich@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Link: https://lore.kernel.org/r/a3df8bf3-d044-b7bb-3383-cd5239d6d4af@suse.com Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'include/xen')
-rw-r--r--include/xen/interface/xen.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h
index 5e9916939268..0ca23eca2a9c 100644
--- a/include/xen/interface/xen.h
+++ b/include/xen/interface/xen.h
@@ -722,6 +722,9 @@ struct dom0_vga_console_info {
uint32_t gbl_caps;
/* Mode attributes (offset 0x0, VESA command 0x4f01). */
uint16_t mode_attrs;
+ uint16_t pad;
+ /* high 32 bits of lfb_base */
+ uint32_t ext_lfb_base;
} vesa_lfb;
} u;
};